diff options
author | Tom Rini <trini@konsulko.com> | 2020-10-05 13:05:46 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2020-10-05 14:10:59 -0400 |
commit | b7e7831e5d5be047f421ddc1f308afc22764a893 (patch) | |
tree | 7d5f27c82b260278ed0b3ea96bce592b0505b898 /drivers | |
parent | 050acee119b3757fee3bd128f55d720fdd9bb890 (diff) | |
parent | caebff09efe8c061b4d99b82262c67fb2db9bbcf (diff) | |
download | u-boot-b7e7831e5d5be047f421ddc1f308afc22764a893.tar.gz |
Merge branch 'next'
Bring in the assorted changes that have been staged in the 'next' branch
prior to release.
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers')
183 files changed, 12818 insertions, 2724 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index 33126b2da7..9eb51453e5 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm/ obj-$(CONFIG_$(SPL_TPL_)ACPI_PMC) += power/acpi_pmc/ obj-$(CONFIG_$(SPL_)BOARD) += board/ obj-$(CONFIG_XEN) += xen/ +obj-$(CONFIG_$(SPL_)FPGA) += fpga/ ifndef CONFIG_TPL_BUILD ifdef CONFIG_SPL_BUILD @@ -60,7 +61,6 @@ obj-$(CONFIG_SPL_USB_HOST_SUPPORT) += usb/host/ obj-$(CONFIG_OMAP_USB_PHY) += usb/phy/ obj-$(CONFIG_SPL_SATA_SUPPORT) += ata/ scsi/ obj-$(CONFIG_HAVE_BLOCK_DEVICE) += block/ -obj-$(CONFIG_SPL_FPGA_SUPPORT) += fpga/ obj-$(CONFIG_SPL_THERMAL) += thermal/ endif @@ -85,7 +85,6 @@ obj-y += cache/ obj-$(CONFIG_CPU) += cpu/ obj-y += crypto/ obj-$(CONFIG_FASTBOOT) += fastboot/ -obj-$(CONFIG_FPGA) += fpga/ obj-y += misc/ obj-$(CONFIG_MMC) += mmc/ obj-$(CONFIG_NVME) += nvme/ diff --git a/drivers/ata/dwc_ahci.c b/drivers/ata/dwc_ahci.c index 825fe57f85..ed0527c976 100644 --- a/drivers/ata/dwc_ahci.c +++ b/drivers/ata/dwc_ahci.c @@ -62,13 +62,13 @@ static int dwc_ahci_probe(struct udevice *dev) ret = generic_phy_init(&phy); if (ret) { - pr_err("unable to initialize the sata phy\n"); + pr_debug("unable to initialize the sata phy\n"); return ret; } ret = generic_phy_power_on(&phy); if (ret) { - pr_err("unable to power on the sata phy\n"); + pr_debug("unable to power on the sata phy\n"); return ret; } diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 6003e140b5..4dfbad7986 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -159,6 +159,14 @@ config CLK_CDCE9XX Enable the clock synthesizer driver for CDCE913/925/937/949 series of chips. +config CLK_SCMI + bool "Enable SCMI clock driver" + depends on SCMI_FIRMWARE + help + Enable this option if you want to support clock devices exposed + by a SCMI agent based on SCMI clock protocol communication + with a SCMI server. + source "drivers/clk/analogbits/Kconfig" source "drivers/clk/at91/Kconfig" source "drivers/clk/exynos/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index cda4b4b605..d1e295ac7c 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_CLK_MPC83XX) += mpc83xx_clk.o obj-$(CONFIG_CLK_OCTEON) += clk_octeon.o obj-$(CONFIG_CLK_OWL) += owl/ obj-$(CONFIG_CLK_RENESAS) += renesas/ +obj-$(CONFIG_CLK_SCMI) += clk_scmi.o obj-$(CONFIG_CLK_SIFIVE) += sifive/ obj-$(CONFIG_ARCH_SUNXI) += sunxi/ obj-$(CONFIG_CLK_STM32F) += clk_stm32f.o diff --git a/drivers/clk/aspeed/clk_ast2500.c b/drivers/clk/aspeed/clk_ast2500.c index d1940f1884..aab7d14deb 100644 --- a/drivers/clk/aspeed/clk_ast2500.c +++ b/drivers/clk/aspeed/clk_ast2500.c @@ -10,7 +10,7 @@ #include <asm/io.h> #include <asm/arch/scu_ast2500.h> #include <dm/lists.h> -#include <dt-bindings/clock/ast2500-scu.h> +#include <dt-bindings/clock/aspeed-clock.h> #include <linux/delay.h> #include <linux/err.h> @@ -122,8 +122,7 @@ static ulong ast2500_clk_get_rate(struct clk *clk) ulong rate; switch (clk->id) { - case PLL_HPLL: - case ARMCLK: + case ASPEED_CLK_HPLL: /* * This ignores dynamic/static slowdown of ARMCLK and may * be inaccurate. @@ -131,11 +130,11 @@ static ulong ast2500_clk_get_rate(struct clk *clk) rate = ast2500_get_hpll_rate(clkin, readl(&priv->scu->h_pll_param)); break; - case MCLK_DDR: + case ASPEED_CLK_MPLL: rate = ast2500_get_mpll_rate(clkin, readl(&priv->scu->m_pll_param)); break; - case BCLK_PCLK: + case ASPEED_CLK_APB: { ulong apb_div = 4 + 4 * ((readl(&priv->scu->clk_sel1) & SCU_PCLK_DIV_MASK) @@ -146,7 +145,7 @@ static ulong ast2500_clk_get_rate(struct clk *clk) rate = rate / apb_div; } break; - case BCLK_SDCLK: + case ASPEED_CLK_SDIO: { ulong apb_div = 4 + 4 * ((readl(&priv->scu->clk_sel1) & SCU_SDCLK_DIV_MASK) @@ -157,19 +156,19 @@ static ulong ast2500_clk_get_rate(struct clk *clk) rate = rate / apb_div; } break; - case PCLK_UART1: + case ASPEED_CLK_GATE_UART1CLK: rate = ast2500_get_uart_clk_rate(priv->scu, 1); break; - case PCLK_UART2: + case ASPEED_CLK_GATE_UART2CLK: rate = ast2500_get_uart_clk_rate(priv->scu, 2); break; - case PCLK_UART3: + case ASPEED_CLK_GATE_UART3CLK: rate = ast2500_get_uart_clk_rate(priv->scu, 3); break; - case PCLK_UART4: + case ASPEED_CLK_GATE_UART4CLK: rate = ast2500_get_uart_clk_rate(priv->scu, 4); break; - case PCLK_UART5: + case ASPEED_CLK_GATE_UART5CLK: rate = ast2500_get_uart_clk_rate(priv->scu, 5); break; default: @@ -431,11 +430,10 @@ static ulong ast2500_clk_set_rate(struct clk *clk, ulong rate) ulong new_rate; switch (clk->id) { - case PLL_MPLL: - case MCLK_DDR: + case ASPEED_CLK_MPLL: new_rate = ast2500_configure_ddr(priv->scu, rate); break; - case PLL_D2PLL: + case ASPEED_CLK_D2PLL: new_rate = ast2500_configure_d2pll(priv->scu, rate); break; default: @@ -450,7 +448,7 @@ static int ast2500_clk_enable(struct clk *clk) struct ast2500_clk_priv *priv = dev_get_priv(clk->dev); switch (clk->id) { - case BCLK_SDCLK: + case ASPEED_CLK_SDIO: if (readl(&priv->scu->clk_stop_ctrl1) & SCU_CLKSTOP_SDCLK) { ast_scu_unlock(priv->scu); @@ -471,13 +469,13 @@ static int ast2500_clk_enable(struct clk *clk) * configured based on whether RGMII or RMII mode has been selected * through hardware strapping. */ - case PCLK_MAC1: + case ASPEED_CLK_GATE_MAC1CLK: ast2500_configure_mac(priv->scu, 1); break; - case PCLK_MAC2: + case ASPEED_CLK_GATE_MAC2CLK: ast2500_configure_mac(priv->scu, 2); break; - case PLL_D2PLL: + case ASPEED_CLK_D2PLL: ast2500_configure_d2pll(priv->scu, D2PLL_DEFAULT_RATE); break; default: @@ -497,9 +495,9 @@ static int ast2500_clk_ofdata_to_platdata(struct udevice *dev) { struct ast2500_clk_priv *priv = dev_get_priv(dev); - priv->scu = dev_read_addr_ptr(dev); - if (!priv->scu) - return -EINVAL; + priv->scu = devfdt_get_addr_ptr(dev); + if (IS_ERR(priv->scu)) + return PTR_ERR(priv->scu); return 0; } diff --git a/drivers/clk/at91/Kconfig b/drivers/clk/at91/Kconfig index 8d482a2752..4abc8026b4 100644 --- a/drivers/clk/at91/Kconfig +++ b/drivers/clk/at91/Kconfig @@ -54,3 +54,10 @@ config AT91_GENERIC_CLK that may be different from the system clock. This second clock is the generic clock (GCLK) and is managed by the PMC via PMC_PCR register. + +config AT91_SAM9X60_PLL + bool "PLL support for SAM9X60 SoCs" + depends on CLK_AT91 + help + This option is used to enable the AT91 SAM9X60's PLL clock + driver. diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile index 8c197ff949..2453c38af1 100644 --- a/drivers/clk/at91/Makefile +++ b/drivers/clk/at91/Makefile @@ -2,11 +2,14 @@ # Makefile for at91 specific clk # -obj-y += pmc.o sckc.o -obj-y += clk-slow.o clk-main.o clk-plla.o clk-plladiv.o clk-master.o -obj-y += clk-system.o clk-peripheral.o +ifdef CONFIG_CLK_CCF +obj-y += pmc.o sckc.o clk-main.o clk-master.o clk-programmable.o clk-system.o +obj-y += clk-peripheral.o +obj-$(CONFIG_AT91_GENERIC_CLK) += clk-generic.o obj-$(CONFIG_AT91_UTMI) += clk-utmi.o -obj-$(CONFIG_AT91_USB_CLK) += clk-usb.o -obj-$(CONFIG_AT91_H32MX) += clk-h32mx.o -obj-$(CONFIG_AT91_GENERIC_CLK) += clk-generated.o +obj-$(CONFIG_AT91_SAM9X60_PLL) += clk-sam9x60-pll.o +obj-$(CONFIG_SAMA7G5) += sama7g5.o +else +obj-y += compat.o +endif diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c deleted file mode 100644 index c0610940c3..0000000000 --- a/drivers/clk/at91/clk-generated.c +++ /dev/null @@ -1,178 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> - */ - -#include <common.h> -#include <clk-uclass.h> -#include <dm.h> -#include <log.h> -#include <malloc.h> -#include <linux/err.h> -#include <linux/io.h> -#include <mach/at91_pmc.h> -#include "pmc.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define GENERATED_SOURCE_MAX 6 -#define GENERATED_MAX_DIV 255 - -/** - * generated_clk_bind() - for the generated clock driver - * Recursively bind its children as clk devices. - * - * @return: 0 on success, or negative error code on failure - */ -static int generated_clk_bind(struct udevice *dev) -{ - return at91_clk_sub_device_bind(dev, "generic-clk"); -} - -static const struct udevice_id generated_clk_match[] = { - { .compatible = "atmel,sama5d2-clk-generated" }, - {} -}; - -U_BOOT_DRIVER(generated_clk) = { - .name = "generated-clk", - .id = UCLASS_MISC, - .of_match = generated_clk_match, - .bind = generated_clk_bind, -}; - -/*-------------------------------------------------------------*/ - -struct generic_clk_priv { - u32 num_parents; -}; - -static ulong generic_clk_get_rate(struct clk *clk) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct clk parent; - ulong clk_rate; - u32 tmp, gckdiv; - u8 clock_source, parent_index; - int ret; - - writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr); - tmp = readl(&pmc->pcr); - clock_source = (tmp >> AT91_PMC_PCR_GCKCSS_OFFSET) & - AT91_PMC_PCR_GCKCSS_MASK; - gckdiv = (tmp >> AT91_PMC_PCR_GCKDIV_OFFSET) & AT91_PMC_PCR_GCKDIV_MASK; - - parent_index = clock_source - 1; - ret = clk_get_by_index(dev_get_parent(clk->dev), parent_index, &parent); - if (ret) - return 0; - - clk_rate = clk_get_rate(&parent) / (gckdiv + 1); - - clk_free(&parent); - - return clk_rate; -} - -static ulong generic_clk_set_rate(struct clk *clk, ulong rate) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct generic_clk_priv *priv = dev_get_priv(clk->dev); - struct clk parent, best_parent; - ulong tmp_rate, best_rate = rate, parent_rate; - int tmp_diff, best_diff = -1; - u32 div, best_div = 0; - u8 best_parent_index, best_clock_source = 0; - u8 i; - u32 tmp; - int ret; - - for (i = 0; i < priv->num_parents; i++) { - ret = clk_get_by_index(dev_get_parent(clk->dev), i, &parent); - if (ret) - return ret; - - parent_rate = clk_get_rate(&parent); - if (IS_ERR_VALUE(parent_rate)) - return parent_rate; - - for (div = 1; div < GENERATED_MAX_DIV + 2; div++) { - tmp_rate = DIV_ROUND_CLOSEST(parent_rate, div); - tmp_diff = abs(rate - tmp_rate); - - if (best_diff < 0 || best_diff > tmp_diff) { - best_rate = tmp_rate; - best_diff = tmp_diff; - - best_div = div - 1; - best_parent = parent; - best_parent_index = i; - best_clock_source = best_parent_index + 1; - } - - if (!best_diff || tmp_rate < rate) - break; - } - - if (!best_diff) - break; - } - - debug("GCK: best parent: %s, best_rate = %ld, best_div = %d\n", - best_parent.dev->name, best_rate, best_div); - - ret = clk_enable(&best_parent); - if (ret) - return ret; - - writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr); - tmp = readl(&pmc->pcr); - tmp &= ~(AT91_PMC_PCR_GCKDIV | AT91_PMC_PCR_GCKCSS); - tmp |= AT91_PMC_PCR_GCKCSS_(best_clock_source) | - AT91_PMC_PCR_CMD_WRITE | - AT91_PMC_PCR_GCKDIV_(best_div) | - AT91_PMC_PCR_GCKEN; - writel(tmp, &pmc->pcr); - - while (!(readl(&pmc->sr) & AT91_PMC_GCKRDY)) - ; - - return 0; -} - -static struct clk_ops generic_clk_ops = { - .of_xlate = at91_clk_of_xlate, - .get_rate = generic_clk_get_rate, - .set_rate = generic_clk_set_rate, -}; - -static int generic_clk_ofdata_to_platdata(struct udevice *dev) -{ - struct generic_clk_priv *priv = dev_get_priv(dev); - u32 cells[GENERATED_SOURCE_MAX]; - u32 num_parents; - - num_parents = fdtdec_get_int_array_count(gd->fdt_blob, - dev_of_offset(dev_get_parent(dev)), "clocks", cells, - GENERATED_SOURCE_MAX); - - if (!num_parents) - return -1; - - priv->num_parents = num_parents; - - return 0; -} - -U_BOOT_DRIVER(generic_clk) = { - .name = "generic-clk", - .id = UCLASS_CLK, - .probe = at91_clk_probe, - .ofdata_to_platdata = generic_clk_ofdata_to_platdata, - .priv_auto_alloc_size = sizeof(struct generic_clk_priv), - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &generic_clk_ops, -}; diff --git a/drivers/clk/at91/clk-generic.c b/drivers/clk/at91/clk-generic.c new file mode 100644 index 0000000000..87738b7b5b --- /dev/null +++ b/drivers/clk/at91/clk-generic.c @@ -0,0 +1,202 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Generic clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-generated.c from Linux. + */ +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <linux/io.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> + +#include "pmc.h" + +#define UBOOT_DM_CLK_AT91_GCK "at91-gck-clk" + +#define GENERATED_MAX_DIV 255 + +struct clk_gck { + void __iomem *base; + const u32 *clk_mux_table; + const u32 *mux_table; + const struct clk_pcr_layout *layout; + struct clk_range range; + struct clk clk; + u32 num_parents; + u32 id; +}; + +#define to_clk_gck(_c) container_of(_c, struct clk_gck, clk) + +static int clk_gck_enable(struct clk *clk) +{ + struct clk_gck *gck = to_clk_gck(clk); + + pmc_write(gck->base, gck->layout->offset, + (gck->id & gck->layout->pid_mask)); + pmc_update_bits(gck->base, gck->layout->offset, + gck->layout->cmd | AT91_PMC_PCR_GCKEN, + gck->layout->cmd | AT91_PMC_PCR_GCKEN); + + return 0; +} + +static int clk_gck_disable(struct clk *clk) +{ + struct clk_gck *gck = to_clk_gck(clk); + + pmc_write(gck->base, gck->layout->offset, + (gck->id & gck->layout->pid_mask)); + pmc_update_bits(gck->base, gck->layout->offset, + gck->layout->cmd | AT91_PMC_PCR_GCKEN, + gck->layout->cmd); + + return 0; +} + +static int clk_gck_set_parent(struct clk *clk, struct clk *parent) +{ + struct clk_gck *gck = to_clk_gck(clk); + int index; + + index = at91_clk_mux_val_to_index(gck->clk_mux_table, gck->num_parents, + parent->id); + if (index < 0) + return index; + + index = at91_clk_mux_index_to_val(gck->mux_table, gck->num_parents, + index); + if (index < 0) + return index; + + pmc_write(gck->base, gck->layout->offset, + (gck->id & gck->layout->pid_mask)); + pmc_update_bits(gck->base, gck->layout->offset, + gck->layout->gckcss_mask | gck->layout->cmd, + (index << (ffs(gck->layout->gckcss_mask) - 1)) | + gck->layout->cmd); + + return 0; +} + +static ulong clk_gck_set_rate(struct clk *clk, ulong rate) +{ + struct clk_gck *gck = to_clk_gck(clk); + ulong parent_rate = clk_get_parent_rate(clk); + u32 div; + + if (!rate || !parent_rate) + return 0; + + if (gck->range.max && rate > gck->range.max) + return 0; + + div = DIV_ROUND_CLOSEST(parent_rate, rate); + if (div > GENERATED_MAX_DIV + 1 || !div) + return 0; + + pmc_write(gck->base, gck->layout->offset, + (gck->id & gck->layout->pid_mask)); + pmc_update_bits(gck->base, gck->layout->offset, + AT91_PMC_PCR_GCKDIV_MASK | gck->layout->cmd, + ((div - 1) << (ffs(AT91_PMC_PCR_GCKDIV_MASK) - 1)) | + gck->layout->cmd); + + return parent_rate / div; +} + +static ulong clk_gck_get_rate(struct clk *clk) +{ + struct clk_gck *gck = to_clk_gck(clk); + ulong parent_rate = clk_get_parent_rate(clk); + u32 val, div; + + if (!parent_rate) + return 0; + + pmc_write(gck->base, gck->layout->offset, + (gck->id & gck->layout->pid_mask)); + pmc_read(gck->base, gck->layout->offset, &val); + + div = (val & AT91_PMC_PCR_GCKDIV_MASK) >> + (ffs(AT91_PMC_PCR_GCKDIV_MASK) - 1); + + return parent_rate / (div + 1); +} + +static const struct clk_ops gck_ops = { + .enable = clk_gck_enable, + .disable = clk_gck_disable, + .set_parent = clk_gck_set_parent, + .set_rate = clk_gck_set_rate, + .get_rate = clk_gck_get_rate, +}; + +struct clk * +at91_clk_register_generic(void __iomem *base, + const struct clk_pcr_layout *layout, + const char *name, const char * const *parent_names, + const u32 *clk_mux_table, const u32 *mux_table, + u8 num_parents, u8 id, + const struct clk_range *range) +{ + struct clk_gck *gck; + struct clk *clk; + int ret, index; + u32 val; + + if (!base || !layout || !name || !parent_names || !num_parents || + !clk_mux_table || !mux_table || !range) + return ERR_PTR(-EINVAL); + + gck = kzalloc(sizeof(*gck), GFP_KERNEL); + if (!gck) + return ERR_PTR(-ENOMEM); + + gck->id = id; + gck->base = base; + gck->range = *range; + gck->layout = layout; + gck->clk_mux_table = clk_mux_table; + gck->mux_table = mux_table; + gck->num_parents = num_parents; + + clk = &gck->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + + pmc_write(gck->base, gck->layout->offset, + (gck->id & gck->layout->pid_mask)); + pmc_read(gck->base, gck->layout->offset, &val); + + val = (val & gck->layout->gckcss_mask) >> + (ffs(gck->layout->gckcss_mask) - 1); + + index = at91_clk_mux_val_to_index(gck->mux_table, gck->num_parents, + val); + if (index < 0) { + kfree(gck); + return ERR_PTR(index); + } + + ret = clk_register(clk, UBOOT_DM_CLK_AT91_GCK, name, + parent_names[index]); + if (ret) { + kfree(gck); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_gck_clk) = { + .name = UBOOT_DM_CLK_AT91_GCK, + .id = UCLASS_CLK, + .ops = &gck_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c deleted file mode 100644 index 86bb71f612..0000000000 --- a/drivers/clk/at91/clk-h32mx.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> - */ - -#include <common.h> -#include <clk-uclass.h> -#include <dm.h> -#include <dm/device_compat.h> -#include <dm/util.h> -#include <linux/io.h> -#include <mach/at91_pmc.h> -#include "pmc.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define H32MX_MAX_FREQ 90000000 - -static ulong sama5d4_h32mx_clk_get_rate(struct clk *clk) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - ulong rate = gd->arch.mck_rate_hz; - - if (readl(&pmc->mckr) & AT91_PMC_MCKR_H32MXDIV) - rate /= 2; - - if (rate > H32MX_MAX_FREQ) - dev_dbg(clk->dev, "H32MX clock is too fast\n"); - - return rate; -} - -static struct clk_ops sama5d4_h32mx_clk_ops = { - .get_rate = sama5d4_h32mx_clk_get_rate, -}; - -static int sama5d4_h32mx_clk_probe(struct udevice *dev) -{ - return at91_pmc_core_probe(dev); -} - -static const struct udevice_id sama5d4_h32mx_clk_match[] = { - { .compatible = "atmel,sama5d4-clk-h32mx" }, - {} -}; - -U_BOOT_DRIVER(sama5d4_h32mx_clk) = { - .name = "sama5d4-h32mx-clk", - .id = UCLASS_CLK, - .of_match = sama5d4_h32mx_clk_match, - .probe = sama5d4_h32mx_clk_probe, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &sama5d4_h32mx_clk_ops, -}; diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c index b31a1cb682..b52d926f33 100644 --- a/drivers/clk/at91/clk-main.c +++ b/drivers/clk/at91/clk-main.c @@ -1,54 +1,387 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> + * Main clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-main.c from Linux. */ +#include <asm/processor.h> #include <common.h> #include <clk-uclass.h> #include <dm.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> +#include <linux/delay.h> #include <linux/io.h> -#include <mach/at91_pmc.h> #include "pmc.h" -DECLARE_GLOBAL_DATA_PTR; +#define UBOOT_DM_CLK_AT91_MAIN_RC "at91-main-rc-clk" +#define UBOOT_DM_CLK_AT91_MAIN_OSC "at91-main-osc-clk" +#define UBOOT_DM_CLK_AT91_RM9200_MAIN "at91-rm9200-main-clk" +#define UBOOT_DM_CLK_AT91_SAM9X5_MAIN "at91-sam9x5-main-clk" -static int main_osc_clk_enable(struct clk *clk) +#define MOR_KEY_MASK GENMASK(23, 16) +#define USEC_PER_SEC 1000000UL +#define SLOW_CLOCK_FREQ 32768 + +#define clk_main_parent_select(s) (((s) & \ + (AT91_PMC_MOSCEN | \ + AT91_PMC_OSCBYPASS)) ? 1 : 0) + +struct clk_main_rc { + void __iomem *reg; + struct clk clk; +}; + +#define to_clk_main_rc(_clk) container_of(_clk, struct clk_main_rc, clk) + +struct clk_main_osc { + void __iomem *reg; + struct clk clk; +}; + +#define to_clk_main_osc(_clk) container_of(_clk, struct clk_main_osc, clk) + +struct clk_main { + void __iomem *reg; + const unsigned int *clk_mux_table; + const char * const *parent_names; + unsigned int num_parents; + int type; + struct clk clk; +}; + +#define to_clk_main(_clk) container_of(_clk, struct clk_main, clk) + +static int main_rc_enable(struct clk *clk) +{ + struct clk_main_rc *main_rc = to_clk_main_rc(clk); + void __iomem *reg = main_rc->reg; + unsigned int val; + + pmc_read(reg, AT91_CKGR_MOR, &val); + + if (!(val & AT91_PMC_MOSCRCEN)) { + pmc_update_bits(reg, AT91_CKGR_MOR, + MOR_KEY_MASK | AT91_PMC_MOSCRCEN, + AT91_PMC_KEY | AT91_PMC_MOSCRCEN); + } + + pmc_read(reg, AT91_PMC_SR, &val); + while (!(val & AT91_PMC_MOSCRCS)) { + pmc_read(reg, AT91_PMC_SR, &val); + debug("waiting for main rc...\n"); + cpu_relax(); + } + + return 0; +} + +static int main_rc_disable(struct clk *clk) { - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; + struct clk_main_rc *main_rc = to_clk_main_rc(clk); + struct reg *reg = main_rc->reg; + unsigned int val; + + pmc_read(reg, AT91_CKGR_MOR, &val); - if (readl(&pmc->sr) & AT91_PMC_MOSCSELS) + if (!(val & AT91_PMC_MOSCRCEN)) return 0; - return -EINVAL; + pmc_update_bits(reg, AT91_CKGR_MOR, MOR_KEY_MASK | AT91_PMC_MOSCRCEN, + AT91_PMC_KEY); + + return 0; } -static ulong main_osc_clk_get_rate(struct clk *clk) +static const struct clk_ops main_rc_clk_ops = { + .enable = main_rc_enable, + .disable = main_rc_disable, + .get_rate = clk_generic_get_rate, +}; + +struct clk *at91_clk_main_rc(void __iomem *reg, const char *name, + const char *parent_name) { - return gd->arch.main_clk_rate_hz; + struct clk_main_rc *main_rc; + struct clk *clk; + int ret; + + if (!reg || !name || !parent_name) + return ERR_PTR(-EINVAL); + + main_rc = kzalloc(sizeof(*main_rc), GFP_KERNEL); + if (!main_rc) + return ERR_PTR(-ENOMEM); + + main_rc->reg = reg; + clk = &main_rc->clk; + + ret = clk_register(clk, UBOOT_DM_CLK_AT91_MAIN_RC, name, + parent_name); + if (ret) { + kfree(main_rc); + clk = ERR_PTR(ret); + } + + return clk; } -static struct clk_ops main_osc_clk_ops = { - .enable = main_osc_clk_enable, - .get_rate = main_osc_clk_get_rate, +U_BOOT_DRIVER(at91_main_rc_clk) = { + .name = UBOOT_DM_CLK_AT91_MAIN_RC, + .id = UCLASS_CLK, + .ops = &main_rc_clk_ops, + .flags = DM_FLAG_PRE_RELOC, }; -static int main_osc_clk_probe(struct udevice *dev) +static int clk_main_osc_enable(struct clk *clk) { - return at91_pmc_core_probe(dev); + struct clk_main_osc *main = to_clk_main_osc(clk); + void __iomem *reg = main->reg; + unsigned int val; + + pmc_read(reg, AT91_CKGR_MOR, &val); + val &= ~MOR_KEY_MASK; + + if (val & AT91_PMC_OSCBYPASS) + return 0; + + if (!(val & AT91_PMC_MOSCEN)) { + val |= AT91_PMC_MOSCEN | AT91_PMC_KEY; + pmc_write(reg, AT91_CKGR_MOR, val); + } + + pmc_read(reg, AT91_PMC_SR, &val); + while (!(val & AT91_PMC_MOSCS)) { + pmc_read(reg, AT91_PMC_SR, &val); + debug("waiting for main osc..\n"); + cpu_relax(); + } + + return 0; +} + +static int clk_main_osc_disable(struct clk *clk) +{ + struct clk_main_osc *main = to_clk_main_osc(clk); + void __iomem *reg = main->reg; + unsigned int val; + + pmc_read(reg, AT91_CKGR_MOR, &val); + if (val & AT91_PMC_OSCBYPASS) + return 0; + + if (!(val & AT91_PMC_MOSCEN)) + return 0; + + val &= ~(AT91_PMC_KEY | AT91_PMC_MOSCEN); + pmc_write(reg, AT91_CKGR_MOR, val | AT91_PMC_KEY); + + return 0; } -static const struct udevice_id main_osc_clk_match[] = { - { .compatible = "atmel,at91sam9x5-clk-main" }, - {} +static const struct clk_ops main_osc_clk_ops = { + .enable = clk_main_osc_enable, + .disable = clk_main_osc_disable, + .get_rate = clk_generic_get_rate, }; -U_BOOT_DRIVER(at91sam9x5_main_osc_clk) = { - .name = "at91sam9x5-main-osc-clk", +struct clk *at91_clk_main_osc(void __iomem *reg, const char *name, + const char *parent_name, bool bypass) +{ + struct clk_main_osc *main; + struct clk *clk; + int ret; + + if (!reg || !name || !parent_name) + return ERR_PTR(-EINVAL); + + main = kzalloc(sizeof(*main), GFP_KERNEL); + if (!main) + return ERR_PTR(-ENOMEM); + + main->reg = reg; + clk = &main->clk; + + if (bypass) { + pmc_update_bits(reg, AT91_CKGR_MOR, + MOR_KEY_MASK | AT91_PMC_OSCBYPASS, + AT91_PMC_KEY | AT91_PMC_OSCBYPASS); + } + + ret = clk_register(clk, UBOOT_DM_CLK_AT91_MAIN_OSC, name, parent_name); + if (ret) { + kfree(main); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_main_osc_clk) = { + .name = UBOOT_DM_CLK_AT91_MAIN_OSC, .id = UCLASS_CLK, - .of_match = main_osc_clk_match, - .probe = main_osc_clk_probe, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), .ops = &main_osc_clk_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static int clk_main_probe_frequency(void __iomem *reg) +{ + unsigned int cycles = 16; + unsigned int cycle = DIV_ROUND_UP(USEC_PER_SEC, SLOW_CLOCK_FREQ); + unsigned int mcfr; + + while (cycles--) { + pmc_read(reg, AT91_CKGR_MCFR, &mcfr); + if (mcfr & AT91_PMC_MAINRDY) + return 0; + udelay(cycle); + } + + return -ETIMEDOUT; +} + +static int clk_rm9200_main_enable(struct clk *clk) +{ + struct clk_main *main = to_clk_main(clk); + + return clk_main_probe_frequency(main->reg); +} + +static const struct clk_ops rm9200_main_clk_ops = { + .enable = clk_rm9200_main_enable, +}; + +struct clk *at91_clk_rm9200_main(void __iomem *reg, const char *name, + const char *parent_name) +{ + struct clk_main *main; + struct clk *clk; + int ret; + + if (!reg || !name || !parent_name) + return ERR_PTR(-EINVAL); + + main = kzalloc(sizeof(*main), GFP_KERNEL); + if (!main) + return ERR_PTR(-ENOMEM); + + main->reg = reg; + clk = &main->clk; + + ret = clk_register(clk, UBOOT_DM_CLK_AT91_RM9200_MAIN, name, + parent_name); + if (ret) { + kfree(main); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_rm9200_main_clk) = { + .name = UBOOT_DM_CLK_AT91_RM9200_MAIN, + .id = UCLASS_CLK, + .ops = &rm9200_main_clk_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static inline bool clk_sam9x5_main_ready(void __iomem *reg) +{ + unsigned int val; + + pmc_read(reg, AT91_PMC_SR, &val); + + return !!(val & AT91_PMC_MOSCSELS); +} + +static int clk_sam9x5_main_enable(struct clk *clk) +{ + struct clk_main *main = to_clk_main(clk); + void __iomem *reg = main->reg; + + while (!clk_sam9x5_main_ready(reg)) { + debug("waiting for main..."); + cpu_relax(); + } + + return clk_main_probe_frequency(reg); +} + +static int clk_sam9x5_main_set_parent(struct clk *clk, struct clk *parent) +{ + struct clk_main *main = to_clk_main(clk); + void __iomem *reg = main->reg; + unsigned int tmp, index; + + index = at91_clk_mux_val_to_index(main->clk_mux_table, + main->num_parents, AT91_CLK_ID_TO_DID(parent->id)); + if (index < 0) + return index; + + pmc_read(reg, AT91_CKGR_MOR, &tmp); + tmp &= ~MOR_KEY_MASK; + tmp |= AT91_PMC_KEY; + + if (index && !(tmp & AT91_PMC_MOSCSEL)) + pmc_write(reg, AT91_CKGR_MOR, tmp | AT91_PMC_MOSCSEL); + else if (!index && (tmp & AT91_PMC_MOSCSEL)) + pmc_write(reg, AT91_CKGR_MOR, tmp & ~AT91_PMC_MOSCSEL); + + while (!clk_sam9x5_main_ready(reg)) + cpu_relax(); + + return 0; +} + +static const struct clk_ops sam9x5_main_clk_ops = { + .enable = clk_sam9x5_main_enable, + .set_parent = clk_sam9x5_main_set_parent, + .get_rate = clk_generic_get_rate, +}; + +struct clk *at91_clk_sam9x5_main(void __iomem *reg, const char *name, + const char * const *parent_names, + int num_parents, const u32 *clk_mux_table, + int type) +{ + struct clk *clk = ERR_PTR(-ENOMEM); + struct clk_main *main = NULL; + unsigned int val; + int ret; + + if (!reg || !name || !parent_names || !num_parents || !clk_mux_table) + return ERR_PTR(-EINVAL); + + main = kzalloc(sizeof(*main), GFP_KERNEL); + if (!main) + return ERR_PTR(-ENOMEM); + + main->reg = reg; + main->parent_names = parent_names; + main->num_parents = num_parents; + main->clk_mux_table = clk_mux_table; + main->type = type; + clk = &main->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + pmc_read(reg, AT91_CKGR_MOR, &val); + ret = clk_register(clk, UBOOT_DM_CLK_AT91_SAM9X5_MAIN, name, + main->parent_names[clk_main_parent_select(val)]); + if (ret) { + kfree(main); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_sam9x5_main_clk) = { + .name = UBOOT_DM_CLK_AT91_SAM9X5_MAIN, + .id = UCLASS_CLK, + .ops = &sam9x5_main_clk_ops, + .flags = DM_FLAG_PRE_RELOC, }; diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c index e078fab7b4..759df93697 100644 --- a/drivers/clk/at91/clk-master.c +++ b/drivers/clk/at91/clk-master.c @@ -1,33 +1,332 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> + * Master clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-master.c from Linux. */ -#include <common.h> +#include <asm/processor.h> #include <clk-uclass.h> +#include <common.h> #include <dm.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> + +#include "pmc.h" + +#define UBOOT_DM_CLK_AT91_MASTER "at91-master-clk" +#define UBOOT_DM_CLK_AT91_SAMA7G5_MASTER "at91-sama7g5-master-clk" + +#define MASTER_PRES_MASK 0x7 +#define MASTER_PRES_MAX MASTER_PRES_MASK +#define MASTER_DIV_SHIFT 8 +#define MASTER_DIV_MASK 0x3 + +#define PMC_MCR 0x30 +#define PMC_MCR_ID_MSK GENMASK(3, 0) +#define PMC_MCR_CMD BIT(7) +#define PMC_MCR_DIV GENMASK(10, 8) +#define PMC_MCR_CSS GENMASK(20, 16) +#define PMC_MCR_CSS_SHIFT (16) +#define PMC_MCR_EN BIT(28) + +#define PMC_MCR_ID(x) ((x) & PMC_MCR_ID_MSK) + +#define MASTER_MAX_ID 4 + +struct clk_master { + void __iomem *base; + const struct clk_master_layout *layout; + const struct clk_master_characteristics *characteristics; + const u32 *mux_table; + const u32 *clk_mux_table; + u32 num_parents; + struct clk clk; + u8 id; +}; + +#define to_clk_master(_clk) container_of(_clk, struct clk_master, clk) + +static inline bool clk_master_ready(struct clk_master *master) +{ + unsigned int bit = master->id ? AT91_PMC_MCKXRDY : AT91_PMC_MCKRDY; + unsigned int status; + + pmc_read(master->base, AT91_PMC_SR, &status); + + return !!(status & bit); +} + +static int clk_master_enable(struct clk *clk) +{ + struct clk_master *master = to_clk_master(clk); + + while (!clk_master_ready(master)) { + debug("waiting for mck %d\n", master->id); + cpu_relax(); + } + + return 0; +} -DECLARE_GLOBAL_DATA_PTR; +static ulong clk_master_get_rate(struct clk *clk) +{ + struct clk_master *master = to_clk_master(clk); + const struct clk_master_layout *layout = master->layout; + const struct clk_master_characteristics *characteristics = + master->characteristics; + ulong rate = clk_get_parent_rate(clk); + unsigned int mckr; + u8 pres, div; + + if (!rate) + return 0; + + pmc_read(master->base, master->layout->offset, &mckr); + mckr &= layout->mask; + + pres = (mckr >> layout->pres_shift) & MASTER_PRES_MASK; + div = (mckr >> MASTER_DIV_SHIFT) & MASTER_DIV_MASK; + + if (characteristics->have_div3_pres && pres == MASTER_PRES_MAX) + rate /= 3; + else + rate >>= pres; + + rate /= characteristics->divisors[div]; + + if (rate < characteristics->output.min) + pr_warn("master clk is underclocked"); + else if (rate > characteristics->output.max) + pr_warn("master clk is overclocked"); + + return rate; +} + +static const struct clk_ops master_ops = { + .enable = clk_master_enable, + .get_rate = clk_master_get_rate, +}; -static ulong at91_master_clk_get_rate(struct clk *clk) +struct clk *at91_clk_register_master(void __iomem *base, + const char *name, const char * const *parent_names, + int num_parents, const struct clk_master_layout *layout, + const struct clk_master_characteristics *characteristics, + const u32 *mux_table) { - return gd->arch.mck_rate_hz; + struct clk_master *master; + struct clk *clk; + unsigned int val; + int ret; + + if (!base || !name || !num_parents || !parent_names || + !layout || !characteristics || !mux_table) + return ERR_PTR(-EINVAL); + + master = kzalloc(sizeof(*master), GFP_KERNEL); + if (!master) + return ERR_PTR(-ENOMEM); + + master->layout = layout; + master->characteristics = characteristics; + master->base = base; + master->num_parents = num_parents; + master->mux_table = mux_table; + + pmc_read(master->base, master->layout->offset, &val); + clk = &master->clk; + clk->flags = CLK_GET_RATE_NOCACHE | CLK_IS_CRITICAL; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_MASTER, name, + parent_names[val & AT91_PMC_CSS]); + if (ret) { + kfree(master); + clk = ERR_PTR(ret); + } + + return clk; } -static struct clk_ops at91_master_clk_ops = { - .get_rate = at91_master_clk_get_rate, +U_BOOT_DRIVER(at91_master_clk) = { + .name = UBOOT_DM_CLK_AT91_MASTER, + .id = UCLASS_CLK, + .ops = &master_ops, + .flags = DM_FLAG_PRE_RELOC, }; -static const struct udevice_id at91_master_clk_match[] = { - { .compatible = "atmel,at91rm9200-clk-master" }, - { .compatible = "atmel,at91sam9x5-clk-master" }, - {} +static int clk_sama7g5_master_set_parent(struct clk *clk, struct clk *parent) +{ + struct clk_master *master = to_clk_master(clk); + int index; + + index = at91_clk_mux_val_to_index(master->clk_mux_table, + master->num_parents, parent->id); + if (index < 0) + return index; + + index = at91_clk_mux_index_to_val(master->mux_table, + master->num_parents, index); + if (index < 0) + return index; + + pmc_write(master->base, PMC_MCR, PMC_MCR_ID(master->id)); + pmc_update_bits(master->base, PMC_MCR, + PMC_MCR_CSS | PMC_MCR_CMD | PMC_MCR_ID_MSK, + (index << PMC_MCR_CSS_SHIFT) | PMC_MCR_CMD | + PMC_MCR_ID(master->id)); + return 0; +} + +static int clk_sama7g5_master_enable(struct clk *clk) +{ + struct clk_master *master = to_clk_master(clk); + + pmc_write(master->base, PMC_MCR, PMC_MCR_ID(master->id)); + pmc_update_bits(master->base, PMC_MCR, + PMC_MCR_EN | PMC_MCR_CMD | PMC_MCR_ID_MSK, + PMC_MCR_EN | PMC_MCR_CMD | PMC_MCR_ID(master->id)); + + return 0; +} + +static int clk_sama7g5_master_disable(struct clk *clk) +{ + struct clk_master *master = to_clk_master(clk); + + pmc_write(master->base, PMC_MCR, master->id); + pmc_update_bits(master->base, PMC_MCR, + PMC_MCR_EN | PMC_MCR_CMD | PMC_MCR_ID_MSK, + PMC_MCR_CMD | PMC_MCR_ID(master->id)); + + return 0; +} + +static ulong clk_sama7g5_master_set_rate(struct clk *clk, ulong rate) +{ + struct clk_master *master = to_clk_master(clk); + ulong parent_rate = clk_get_parent_rate(clk); + ulong div, rrate; + + if (!parent_rate) + return 0; + + div = DIV_ROUND_CLOSEST(parent_rate, rate); + if ((div > (1 << (MASTER_PRES_MAX - 1))) || (div & (div - 1))) { + return 0; + } else if (div == 3) { + rrate = DIV_ROUND_CLOSEST(parent_rate, MASTER_PRES_MAX); + div = MASTER_PRES_MAX; + } else { + rrate = DIV_ROUND_CLOSEST(parent_rate, div); + div = ffs(div) - 1; + } + + pmc_write(master->base, PMC_MCR, master->id); + pmc_update_bits(master->base, PMC_MCR, + PMC_MCR_DIV | PMC_MCR_CMD | PMC_MCR_ID_MSK, + (div << MASTER_DIV_SHIFT) | PMC_MCR_CMD | + PMC_MCR_ID(master->id)); + + return rrate; +} + +static ulong clk_sama7g5_master_get_rate(struct clk *clk) +{ + struct clk_master *master = to_clk_master(clk); + ulong parent_rate = clk_get_parent_rate(clk); + unsigned int val; + ulong div; + + if (!parent_rate) + return 0; + + pmc_write(master->base, PMC_MCR, master->id); + pmc_read(master->base, PMC_MCR, &val); + + div = (val >> MASTER_DIV_SHIFT) & MASTER_DIV_MASK; + + if (div == MASTER_PRES_MAX) + div = 3; + else + div = 1 << div; + + return DIV_ROUND_CLOSEST(parent_rate, div); +} + +static const struct clk_ops sama7g5_master_ops = { + .enable = clk_sama7g5_master_enable, + .disable = clk_sama7g5_master_disable, + .set_rate = clk_sama7g5_master_set_rate, + .get_rate = clk_sama7g5_master_get_rate, + .set_parent = clk_sama7g5_master_set_parent, }; -U_BOOT_DRIVER(atmel_at91rm9200_clk_master) = { - .name = "atmel_at91rm9200_clk_master", +struct clk *at91_clk_sama7g5_register_master(void __iomem *base, + const char *name, const char * const *parent_names, + int num_parents, const u32 *mux_table, const u32 *clk_mux_table, + bool critical, u8 id) +{ + struct clk_master *master; + struct clk *clk; + u32 val, index; + int ret; + + if (!base || !name || !num_parents || !parent_names || + !mux_table || !clk_mux_table || id > MASTER_MAX_ID) + return ERR_PTR(-EINVAL); + + master = kzalloc(sizeof(*master), GFP_KERNEL); + if (!master) + return ERR_PTR(-ENOMEM); + + master->base = base; + master->id = id; + master->mux_table = mux_table; + master->clk_mux_table = clk_mux_table; + master->num_parents = num_parents; + + pmc_write(master->base, PMC_MCR, master->id); + pmc_read(master->base, PMC_MCR, &val); + + index = at91_clk_mux_val_to_index(master->mux_table, + master->num_parents, + (val & PMC_MCR_CSS) >> PMC_MCR_CSS_SHIFT); + if (index < 0) { + kfree(master); + return ERR_PTR(index); + } + + clk = &master->clk; + clk->flags = CLK_GET_RATE_NOCACHE | (critical ? CLK_IS_CRITICAL : 0); + + ret = clk_register(clk, UBOOT_DM_CLK_AT91_SAMA7G5_MASTER, name, + parent_names[index]); + if (ret) { + kfree(master); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_sama7g5_master_clk) = { + .name = UBOOT_DM_CLK_AT91_SAMA7G5_MASTER, .id = UCLASS_CLK, - .of_match = at91_master_clk_match, - .ops = &at91_master_clk_ops, + .ops = &sama7g5_master_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +const struct clk_master_layout at91rm9200_master_layout = { + .mask = 0x31F, + .pres_shift = 2, + .offset = AT91_PMC_MCKR, +}; + +const struct clk_master_layout at91sam9x5_master_layout = { + .mask = 0x373, + .pres_shift = 4, + .offset = AT91_PMC_MCKR, }; diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c index cd9d5e77c0..52cbc520ce 100644 --- a/drivers/clk/at91/clk-peripheral.c +++ b/drivers/clk/at91/clk-peripheral.c @@ -1,113 +1,254 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> + * Peripheral clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-peripheral.c from Linux. */ - #include <common.h> #include <clk-uclass.h> #include <dm.h> -#include <malloc.h> #include <linux/io.h> -#include <mach/at91_pmc.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> + #include "pmc.h" +#define UBOOT_DM_CLK_AT91_PERIPH "at91-periph-clk" +#define UBOOT_DM_CLK_AT91_SAM9X5_PERIPH "at91-sam9x5-periph-clk" + #define PERIPHERAL_ID_MIN 2 #define PERIPHERAL_ID_MAX 31 #define PERIPHERAL_MASK(id) (1 << ((id) & PERIPHERAL_ID_MAX)) -enum periph_clk_type { - CLK_PERIPH_AT91RM9200 = 0, - CLK_PERIPH_AT91SAM9X5, +#define PERIPHERAL_MAX_SHIFT 3 + +struct clk_peripheral { + void __iomem *base; + struct clk clk; + u32 id; }; -/** - * sam9x5_periph_clk_bind() - for the periph clock driver - * Recursively bind its children as clk devices. - * - * @return: 0 on success, or negative error code on failure - */ -static int sam9x5_periph_clk_bind(struct udevice *dev) + +#define to_clk_peripheral(_c) container_of(_c, struct clk_peripheral, clk) + +struct clk_sam9x5_peripheral { + const struct clk_pcr_layout *layout; + void __iomem *base; + struct clk clk; + struct clk_range range; + u32 id; + u32 div; + bool auto_div; +}; + +#define to_clk_sam9x5_peripheral(_c) \ + container_of(_c, struct clk_sam9x5_peripheral, clk) + +static int clk_peripheral_enable(struct clk *clk) { - return at91_clk_sub_device_bind(dev, "periph-clk"); + struct clk_peripheral *periph = to_clk_peripheral(clk); + int offset = AT91_PMC_PCER; + u32 id = periph->id; + + if (id < PERIPHERAL_ID_MIN) + return 0; + if (id > PERIPHERAL_ID_MAX) + offset = AT91_PMC_PCER1; + pmc_write(periph->base, offset, PERIPHERAL_MASK(id)); + + return 0; +} + +static int clk_peripheral_disable(struct clk *clk) +{ + struct clk_peripheral *periph = to_clk_peripheral(clk); + int offset = AT91_PMC_PCDR; + u32 id = periph->id; + + if (id < PERIPHERAL_ID_MIN) + return -EINVAL; + + if (id > PERIPHERAL_ID_MAX) + offset = AT91_PMC_PCDR1; + pmc_write(periph->base, offset, PERIPHERAL_MASK(id)); + + return 0; } -static const struct udevice_id sam9x5_periph_clk_match[] = { - { - .compatible = "atmel,at91rm9200-clk-peripheral", - .data = CLK_PERIPH_AT91RM9200, - }, - { - .compatible = "atmel,at91sam9x5-clk-peripheral", - .data = CLK_PERIPH_AT91SAM9X5, - }, - {} +static const struct clk_ops peripheral_ops = { + .enable = clk_peripheral_enable, + .disable = clk_peripheral_disable, + .get_rate = clk_generic_get_rate, }; -U_BOOT_DRIVER(atmel_at91rm9200_clk_peripheral) = { - .name = "atmel_at91rm9200_clk_peripheral", - .id = UCLASS_MISC, - .of_match = sam9x5_periph_clk_match, - .bind = sam9x5_periph_clk_bind, +struct clk * +at91_clk_register_peripheral(void __iomem *base, const char *name, + const char *parent_name, u32 id) +{ + struct clk_peripheral *periph; + struct clk *clk; + int ret; + + if (!base || !name || !parent_name || id > PERIPHERAL_ID_MAX) + return ERR_PTR(-EINVAL); + + periph = kzalloc(sizeof(*periph), GFP_KERNEL); + if (!periph) + return ERR_PTR(-ENOMEM); + + periph->id = id; + periph->base = base; + + clk = &periph->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_PERIPH, name, parent_name); + if (ret) { + kfree(periph); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_periph_clk) = { + .name = UBOOT_DM_CLK_AT91_PERIPH, + .id = UCLASS_CLK, + .ops = &peripheral_ops, + .flags = DM_FLAG_PRE_RELOC, }; -/*---------------------------------------------------------*/ +static int clk_sam9x5_peripheral_enable(struct clk *clk) +{ + struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(clk); + + if (periph->id < PERIPHERAL_ID_MIN) + return 0; + + pmc_write(periph->base, periph->layout->offset, + (periph->id & periph->layout->pid_mask)); + pmc_update_bits(periph->base, periph->layout->offset, + periph->layout->cmd | AT91_PMC_PCR_EN, + periph->layout->cmd | AT91_PMC_PCR_EN); -static int periph_clk_enable(struct clk *clk) + return 0; +} + +static int clk_sam9x5_peripheral_disable(struct clk *clk) { - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - enum periph_clk_type clk_type; - void *addr; - - if (clk->id < PERIPHERAL_ID_MIN) - return -1; - - clk_type = dev_get_driver_data(dev_get_parent(clk->dev)); - if (clk_type == CLK_PERIPH_AT91RM9200) { - addr = &pmc->pcer; - if (clk->id > PERIPHERAL_ID_MAX) - addr = &pmc->pcer1; - - setbits_le32(addr, PERIPHERAL_MASK(clk->id)); - } else { - writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr); - setbits_le32(&pmc->pcr, - AT91_PMC_PCR_CMD_WRITE | AT91_PMC_PCR_EN); - } + struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(clk); + + if (periph->id < PERIPHERAL_ID_MIN) + return -EINVAL; + + pmc_write(periph->base, periph->layout->offset, + (periph->id & periph->layout->pid_mask)); + pmc_update_bits(periph->base, periph->layout->offset, + AT91_PMC_PCR_EN | periph->layout->cmd, + periph->layout->cmd); return 0; } -static ulong periph_get_rate(struct clk *clk) +static ulong clk_sam9x5_peripheral_get_rate(struct clk *clk) { - struct udevice *dev; - struct clk clk_dev; - ulong clk_rate; - int ret; + struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(clk); + ulong parent_rate = clk_get_parent_rate(clk); + u32 val, shift = ffs(periph->layout->div_mask) - 1; - dev = dev_get_parent(clk->dev); + if (!parent_rate) + return 0; - ret = clk_get_by_index(dev, 0, &clk_dev); - if (ret) - return ret; + pmc_write(periph->base, periph->layout->offset, + (periph->id & periph->layout->pid_mask)); + pmc_read(periph->base, periph->layout->offset, &val); + shift = (val & periph->layout->div_mask) >> shift; - clk_rate = clk_get_rate(&clk_dev); + return parent_rate >> shift; +} + +static ulong clk_sam9x5_peripheral_set_rate(struct clk *clk, ulong rate) +{ + struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(clk); + ulong parent_rate = clk_get_parent_rate(clk); + int shift; + + if (!parent_rate) + return 0; + + if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max) { + if (parent_rate == rate) + return rate; + else + return 0; + } + + if (periph->range.max && rate > periph->range.max) + return 0; + + for (shift = 0; shift <= PERIPHERAL_MAX_SHIFT; shift++) { + if (parent_rate >> shift <= rate) + break; + } + if (shift == PERIPHERAL_MAX_SHIFT + 1) + return 0; - clk_free(&clk_dev); + pmc_write(periph->base, periph->layout->offset, + (periph->id & periph->layout->pid_mask)); + pmc_update_bits(periph->base, periph->layout->offset, + periph->layout->div_mask | periph->layout->cmd, + (shift << (ffs(periph->layout->div_mask) - 1)) | + periph->layout->cmd); - return clk_rate; + return parent_rate >> shift; } -static struct clk_ops periph_clk_ops = { - .of_xlate = at91_clk_of_xlate, - .enable = periph_clk_enable, - .get_rate = periph_get_rate, +static const struct clk_ops sam9x5_peripheral_ops = { + .enable = clk_sam9x5_peripheral_enable, + .disable = clk_sam9x5_peripheral_disable, + .get_rate = clk_sam9x5_peripheral_get_rate, + .set_rate = clk_sam9x5_peripheral_set_rate, }; -U_BOOT_DRIVER(clk_periph) = { - .name = "periph-clk", - .id = UCLASS_CLK, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .probe = at91_clk_probe, - .ops = &periph_clk_ops, +struct clk * +at91_clk_register_sam9x5_peripheral(void __iomem *base, + const struct clk_pcr_layout *layout, + const char *name, const char *parent_name, + u32 id, const struct clk_range *range) +{ + struct clk_sam9x5_peripheral *periph; + struct clk *clk; + int ret; + + if (!base || !layout || !name || !parent_name || !range) + return ERR_PTR(-EINVAL); + + periph = kzalloc(sizeof(*periph), GFP_KERNEL); + if (!periph) + return ERR_PTR(-ENOMEM); + + periph->id = id; + periph->base = base; + periph->layout = layout; + periph->range = *range; + + clk = &periph->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_SAM9X5_PERIPH, name, + parent_name); + if (ret) { + kfree(periph); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_sam9x5_periph_clk) = { + .name = UBOOT_DM_CLK_AT91_SAM9X5_PERIPH, + .id = UCLASS_CLK, + .ops = &sam9x5_peripheral_ops, + .flags = DM_FLAG_PRE_RELOC, }; diff --git a/drivers/clk/at91/clk-plla.c b/drivers/clk/at91/clk-plla.c deleted file mode 100644 index 79d725819f..0000000000 --- a/drivers/clk/at91/clk-plla.c +++ /dev/null @@ -1,54 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> - */ - -#include <common.h> -#include <clk-uclass.h> -#include <dm.h> -#include <linux/io.h> -#include <mach/at91_pmc.h> -#include "pmc.h" - -DECLARE_GLOBAL_DATA_PTR; - -static int plla_clk_enable(struct clk *clk) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - - if (readl(&pmc->sr) & AT91_PMC_LOCKA) - return 0; - - return -EINVAL; -} - -static ulong plla_clk_get_rate(struct clk *clk) -{ - return gd->arch.plla_rate_hz; -} - -static struct clk_ops plla_clk_ops = { - .enable = plla_clk_enable, - .get_rate = plla_clk_get_rate, -}; - -static int plla_clk_probe(struct udevice *dev) -{ - return at91_pmc_core_probe(dev); -} - -static const struct udevice_id plla_clk_match[] = { - { .compatible = "atmel,sama5d3-clk-pll" }, - {} -}; - -U_BOOT_DRIVER(at91_plla_clk) = { - .name = "at91-plla-clk", - .id = UCLASS_CLK, - .of_match = plla_clk_match, - .probe = plla_clk_probe, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &plla_clk_ops, -}; diff --git a/drivers/clk/at91/clk-plladiv.c b/drivers/clk/at91/clk-plladiv.c deleted file mode 100644 index ca6158ef6a..0000000000 --- a/drivers/clk/at91/clk-plladiv.c +++ /dev/null @@ -1,85 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2018 Microhip / Atmel Corporation - * Wenyou.Yang <wenyou.yang@microchip.com> - */ - -#include <common.h> -#include <clk-uclass.h> -#include <dm/device.h> -#include <linux/io.h> -#include <mach/at91_pmc.h> -#include "pmc.h" - -static int at91_plladiv_clk_enable(struct clk *clk) -{ - return 0; -} - -static ulong at91_plladiv_clk_get_rate(struct clk *clk) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct clk source; - ulong clk_rate; - int ret; - - ret = clk_get_by_index(clk->dev, 0, &source); - if (ret) - return -EINVAL; - - clk_rate = clk_get_rate(&source); - if (readl(&pmc->mckr) & AT91_PMC_MCKR_PLLADIV_2) - clk_rate /= 2; - - return clk_rate; -} - -static ulong at91_plladiv_clk_set_rate(struct clk *clk, ulong rate) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct clk source; - ulong parent_rate; - int ret; - - ret = clk_get_by_index(clk->dev, 0, &source); - if (ret) - return -EINVAL; - - parent_rate = clk_get_rate(&source); - if ((parent_rate != rate) && ((parent_rate) / 2 != rate)) - return -EINVAL; - - if (parent_rate != rate) { - writel((readl(&pmc->mckr) | AT91_PMC_MCKR_PLLADIV_2), - &pmc->mckr); - } - - return 0; -} - -static struct clk_ops at91_plladiv_clk_ops = { - .enable = at91_plladiv_clk_enable, - .get_rate = at91_plladiv_clk_get_rate, - .set_rate = at91_plladiv_clk_set_rate, -}; - -static int at91_plladiv_clk_probe(struct udevice *dev) -{ - return at91_pmc_core_probe(dev); -} - -static const struct udevice_id at91_plladiv_clk_match[] = { - { .compatible = "atmel,at91sam9x5-clk-plldiv" }, - {} -}; - -U_BOOT_DRIVER(at91_plladiv_clk) = { - .name = "at91-plladiv-clk", - .id = UCLASS_CLK, - .of_match = at91_plladiv_clk_match, - .probe = at91_plladiv_clk_probe, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &at91_plladiv_clk_ops, -}; diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c new file mode 100644 index 0000000000..868de4b177 --- /dev/null +++ b/drivers/clk/at91/clk-programmable.c @@ -0,0 +1,208 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Programmable clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-programmable.c from Linux. + */ +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> + +#include "pmc.h" + +#define UBOOT_DM_CLK_AT91_PROG "at91-prog-clk" + +#define PROG_ID_MAX 7 + +#define PROG_STATUS_MASK(id) (1 << ((id) + 8)) +#define PROG_PRES(_l, _p) (((_p) >> (_l)->pres_shift) & (_l)->pres_mask) +#define PROG_MAX_RM9200_CSS 3 + +struct clk_programmable { + void __iomem *base; + const u32 *clk_mux_table; + const u32 *mux_table; + const struct clk_programmable_layout *layout; + u32 num_parents; + struct clk clk; + u8 id; +}; + +#define to_clk_programmable(_c) container_of(_c, struct clk_programmable, clk) + +static ulong clk_programmable_get_rate(struct clk *clk) +{ + struct clk_programmable *prog = to_clk_programmable(clk); + const struct clk_programmable_layout *layout = prog->layout; + ulong rate, parent_rate = clk_get_parent_rate(clk); + unsigned int pckr; + + pmc_read(prog->base, AT91_PMC_PCKR(prog->id), &pckr); + + if (layout->is_pres_direct) + rate = parent_rate / (PROG_PRES(layout, pckr) + 1); + else + rate = parent_rate >> PROG_PRES(layout, pckr); + + return rate; +} + +static int clk_programmable_set_parent(struct clk *clk, struct clk *parent) +{ + struct clk_programmable *prog = to_clk_programmable(clk); + const struct clk_programmable_layout *layout = prog->layout; + unsigned int mask = layout->css_mask; + int index; + + index = at91_clk_mux_val_to_index(prog->clk_mux_table, + prog->num_parents, parent->id); + if (index < 0) + return index; + + index = at91_clk_mux_index_to_val(prog->mux_table, prog->num_parents, + index); + if (index < 0) + return index; + + if (layout->have_slck_mck) + mask |= AT91_PMC_CSSMCK_MCK; + + if (index > layout->css_mask) { + if (index > PROG_MAX_RM9200_CSS && !layout->have_slck_mck) + return -EINVAL; + + index |= AT91_PMC_CSSMCK_MCK; + } + + pmc_update_bits(prog->base, AT91_PMC_PCKR(prog->id), mask, index); + + return 0; +} + +static ulong clk_programmable_set_rate(struct clk *clk, ulong rate) +{ + struct clk_programmable *prog = to_clk_programmable(clk); + const struct clk_programmable_layout *layout = prog->layout; + ulong parent_rate = clk_get_parent_rate(clk); + ulong div = parent_rate / rate; + int shift = 0; + + if (!parent_rate || !div) + return -EINVAL; + + if (layout->is_pres_direct) { + shift = div - 1; + + if (shift > layout->pres_mask) + return -EINVAL; + } else { + shift = fls(div) - 1; + + if (div != (1 << shift)) + return -EINVAL; + + if (shift >= layout->pres_mask) + return -EINVAL; + } + + pmc_update_bits(prog->base, AT91_PMC_PCKR(prog->id), + layout->pres_mask << layout->pres_shift, + shift << layout->pres_shift); + + if (layout->is_pres_direct) + return (parent_rate / shift + 1); + + return parent_rate >> shift; +} + +static const struct clk_ops programmable_ops = { + .get_rate = clk_programmable_get_rate, + .set_parent = clk_programmable_set_parent, + .set_rate = clk_programmable_set_rate, +}; + +struct clk *at91_clk_register_programmable(void __iomem *base, const char *name, + const char *const *parent_names, u8 num_parents, u8 id, + const struct clk_programmable_layout *layout, + const u32 *clk_mux_table, const u32 *mux_table) +{ + struct clk_programmable *prog; + struct clk *clk; + u32 val, tmp; + int ret; + + if (!base || !name || !parent_names || !num_parents || + !layout || !clk_mux_table || !mux_table || id > PROG_ID_MAX) + return ERR_PTR(-EINVAL); + + prog = kzalloc(sizeof(*prog), GFP_KERNEL); + if (!prog) + return ERR_PTR(-ENOMEM); + + prog->id = id; + prog->layout = layout; + prog->base = base; + prog->clk_mux_table = clk_mux_table; + prog->mux_table = mux_table; + prog->num_parents = num_parents; + + pmc_read(prog->base, AT91_PMC_PCKR(prog->id), &tmp); + val = tmp & prog->layout->css_mask; + if (layout->have_slck_mck && (tmp & AT91_PMC_CSSMCK_MCK) && !val) + ret = PROG_MAX_RM9200_CSS + 1; + else + ret = at91_clk_mux_val_to_index(prog->mux_table, + prog->num_parents, val); + if (ret < 0) { + kfree(prog); + return ERR_PTR(ret); + } + + clk = &prog->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_PROG, name, + parent_names[ret]); + if (ret) { + kfree(prog); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_prog_clk) = { + .name = UBOOT_DM_CLK_AT91_PROG, + .id = UCLASS_CLK, + .ops = &programmable_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +const struct clk_programmable_layout at91rm9200_programmable_layout = { + .pres_mask = 0x7, + .pres_shift = 2, + .css_mask = 0x3, + .have_slck_mck = 0, + .is_pres_direct = 0, +}; + +const struct clk_programmable_layout at91sam9g45_programmable_layout = { + .pres_mask = 0x7, + .pres_shift = 2, + .css_mask = 0x3, + .have_slck_mck = 1, + .is_pres_direct = 0, +}; + +const struct clk_programmable_layout at91sam9x5_programmable_layout = { + .pres_mask = 0x7, + .pres_shift = 4, + .css_mask = 0x7, + .have_slck_mck = 0, + .is_pres_direct = 0, +}; diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c new file mode 100644 index 0000000000..1bfae5fd01 --- /dev/null +++ b/drivers/clk/at91/clk-sam9x60-pll.c @@ -0,0 +1,442 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * SAM9X60's PLL clock support. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-sam9x60-pll.c from Linux. + * + */ + +#include <asm/processor.h> +#include <common.h> +#include <clk-uclass.h> +#include <div64.h> +#include <dm.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> +#include <linux/delay.h> + +#include "pmc.h" + +#define UBOOT_DM_CLK_AT91_SAM9X60_DIV_PLL "at91-sam9x60-div-pll-clk" +#define UBOOT_DM_CLK_AT91_SAM9X60_FRAC_PLL "at91-sam9x60-frac-pll-clk" + +#define PMC_PLL_CTRL0_DIV_MSK GENMASK(7, 0) +#define PMC_PLL_CTRL1_MUL_MSK GENMASK(31, 24) +#define PMC_PLL_CTRL1_FRACR_MSK GENMASK(21, 0) + +#define PLL_DIV_MAX (FIELD_GET(PMC_PLL_CTRL0_DIV_MSK, UINT_MAX) + 1) +#define UPLL_DIV 2 +#define PLL_MUL_MAX (FIELD_GET(PMC_PLL_CTRL1_MUL_MSK, UINT_MAX) + 1) + +#define FCORE_MIN (600000000) +#define FCORE_MAX (1200000000) + +#define PLL_MAX_ID 7 + +struct sam9x60_pll { + void __iomem *base; + const struct clk_pll_characteristics *characteristics; + const struct clk_pll_layout *layout; + struct clk clk; + u8 id; +}; + +#define to_sam9x60_pll(_clk) container_of(_clk, struct sam9x60_pll, clk) + +static inline bool sam9x60_pll_ready(void __iomem *base, int id) +{ + unsigned int status; + + pmc_read(base, AT91_PMC_PLL_ISR0, &status); + + return !!(status & BIT(id)); +} + +static long sam9x60_frac_pll_compute_mul_frac(u32 *mul, u32 *frac, ulong rate, + ulong parent_rate) +{ + unsigned long tmprate, remainder; + unsigned long nmul = 0; + unsigned long nfrac = 0; + + if (rate < FCORE_MIN || rate > FCORE_MAX) + return -ERANGE; + + /* + * Calculate the multiplier associated with the current + * divider that provide the closest rate to the requested one. + */ + nmul = mult_frac(rate, 1, parent_rate); + tmprate = mult_frac(parent_rate, nmul, 1); + remainder = rate - tmprate; + + if (remainder) { + nfrac = DIV_ROUND_CLOSEST_ULL((u64)remainder * (1 << 22), + parent_rate); + + tmprate += DIV_ROUND_CLOSEST_ULL((u64)nfrac * parent_rate, + (1 << 22)); + } + + /* Check if resulted rate is valid. */ + if (tmprate < FCORE_MIN || tmprate > FCORE_MAX) + return -ERANGE; + + *mul = nmul - 1; + *frac = nfrac; + + return tmprate; +} + +static ulong sam9x60_frac_pll_set_rate(struct clk *clk, ulong rate) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + ulong parent_rate = clk_get_parent_rate(clk); + u32 nmul, cmul, nfrac, cfrac, val; + bool ready = sam9x60_pll_ready(base, pll->id); + long ret; + + if (!parent_rate) + return 0; + + ret = sam9x60_frac_pll_compute_mul_frac(&nmul, &nfrac, rate, + parent_rate); + if (ret < 0) + return 0; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + pmc_read(base, AT91_PMC_PLL_CTRL1, &val); + cmul = (val & pll->layout->mul_mask) >> pll->layout->mul_shift; + cfrac = (val & pll->layout->frac_mask) >> pll->layout->frac_shift; + + /* Check against current values. */ + if (sam9x60_pll_ready(base, pll->id) && + nmul == cmul && nfrac == cfrac) + return 0; + + /* Update it to hardware. */ + pmc_write(base, AT91_PMC_PLL_CTRL1, + (nmul << pll->layout->mul_shift) | + (nfrac << pll->layout->frac_shift)); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + + while (ready && !sam9x60_pll_ready(base, pll->id)) { + debug("waiting for pll %u...\n", pll->id); + cpu_relax(); + } + + return parent_rate * (nmul + 1) + ((u64)parent_rate * nfrac >> 22); +} + +static ulong sam9x60_frac_pll_get_rate(struct clk *clk) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + ulong parent_rate = clk_get_parent_rate(clk); + u32 mul, frac, val; + + if (!parent_rate) + return 0; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + pmc_read(base, AT91_PMC_PLL_CTRL1, &val); + mul = (val & pll->layout->mul_mask) >> pll->layout->mul_shift; + frac = (val & pll->layout->frac_mask) >> pll->layout->frac_shift; + + return (parent_rate * (mul + 1) + ((u64)parent_rate * frac >> 22)); +} + +static int sam9x60_frac_pll_enable(struct clk *clk) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + unsigned int val; + ulong crate; + + crate = sam9x60_frac_pll_get_rate(clk); + if (crate < FCORE_MIN || crate > FCORE_MAX) + return -ERANGE; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + pmc_read(base, AT91_PMC_PLL_CTRL1, &val); + + if (sam9x60_pll_ready(base, pll->id)) + return 0; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PMM_UPDT_STUPTIM_MSK | + AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_STUPTIM(0x3f) | pll->id); + + /* Recommended value for AT91_PMC_PLL_ACR */ + if (pll->characteristics->upll) + val = AT91_PMC_PLL_ACR_DEFAULT_UPLL; + else + val = AT91_PMC_PLL_ACR_DEFAULT_PLLA; + pmc_write(base, AT91_PMC_PLL_ACR, val); + + if (pll->characteristics->upll) { + /* Enable the UTMI internal bandgap */ + val |= AT91_PMC_PLL_ACR_UTMIBG; + pmc_write(base, AT91_PMC_PLL_ACR, val); + + udelay(10); + + /* Enable the UTMI internal regulator */ + val |= AT91_PMC_PLL_ACR_UTMIVR; + pmc_write(base, AT91_PMC_PLL_ACR, val); + + udelay(10); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | + AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + } + + pmc_update_bits(base, AT91_PMC_PLL_CTRL0, + AT91_PMC_PLL_CTRL0_ENLOCK | AT91_PMC_PLL_CTRL0_ENPLL, + AT91_PMC_PLL_CTRL0_ENLOCK | AT91_PMC_PLL_CTRL0_ENPLL); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + + while (!sam9x60_pll_ready(base, pll->id)) { + debug("waiting for pll %u...\n", pll->id); + cpu_relax(); + } + + return 0; +} + +static int sam9x60_frac_pll_disable(struct clk *clk) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + + pmc_update_bits(base, AT91_PMC_PLL_CTRL0, + AT91_PMC_PLL_CTRL0_ENPLL, 0); + + if (pll->characteristics->upll) + pmc_update_bits(base, AT91_PMC_PLL_ACR, + AT91_PMC_PLL_ACR_UTMIBG | + AT91_PMC_PLL_ACR_UTMIVR, 0); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + + return 0; +} + +static const struct clk_ops sam9x60_frac_pll_ops = { + .enable = sam9x60_frac_pll_enable, + .disable = sam9x60_frac_pll_disable, + .set_rate = sam9x60_frac_pll_set_rate, + .get_rate = sam9x60_frac_pll_get_rate, +}; + +static int sam9x60_div_pll_enable(struct clk *clk) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + unsigned int val; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + pmc_read(base, AT91_PMC_PLL_CTRL0, &val); + + /* Stop if enabled. */ + if (val & pll->layout->endiv_mask) + return 0; + + pmc_update_bits(base, AT91_PMC_PLL_CTRL0, + pll->layout->endiv_mask, + (1 << pll->layout->endiv_shift)); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + + while (!sam9x60_pll_ready(base, pll->id)) { + debug("waiting for pll %u...\n", pll->id); + cpu_relax(); + } + + return 0; +} + +static int sam9x60_div_pll_disable(struct clk *clk) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + + pmc_update_bits(base, AT91_PMC_PLL_CTRL0, + pll->layout->endiv_mask, 0); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + + return 0; +} + +static ulong sam9x60_div_pll_set_rate(struct clk *clk, ulong rate) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + const struct clk_pll_characteristics *characteristics = + pll->characteristics; + ulong parent_rate = clk_get_parent_rate(clk); + u8 div = DIV_ROUND_CLOSEST_ULL(parent_rate, rate) - 1; + ulong req_rate = parent_rate / (div + 1); + bool ready = sam9x60_pll_ready(base, pll->id); + u32 val; + + if (!parent_rate || div > pll->layout->div_mask || + req_rate < characteristics->output[0].min || + req_rate > characteristics->output[0].max) + return 0; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + pmc_read(base, AT91_PMC_PLL_CTRL0, &val); + /* Compare against current value. */ + if (div == ((val & pll->layout->div_mask) >> pll->layout->div_shift)) + return 0; + + /* Update it to hardware. */ + pmc_update_bits(base, AT91_PMC_PLL_CTRL0, + pll->layout->div_mask, + div << pll->layout->div_shift); + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, + AT91_PMC_PLL_UPDT_UPDATE | AT91_PMC_PLL_UPDT_ID_MSK, + AT91_PMC_PLL_UPDT_UPDATE | pll->id); + + while (ready && !sam9x60_pll_ready(base, pll->id)) { + debug("waiting for pll %u...\n", pll->id); + cpu_relax(); + } + + return req_rate; +} + +static ulong sam9x60_div_pll_get_rate(struct clk *clk) +{ + struct sam9x60_pll *pll = to_sam9x60_pll(clk); + void __iomem *base = pll->base; + ulong parent_rate = clk_get_parent_rate(clk); + u32 val; + u8 div; + + if (!parent_rate) + return 0; + + pmc_update_bits(base, AT91_PMC_PLL_UPDT, AT91_PMC_PLL_UPDT_ID_MSK, + pll->id); + + pmc_read(base, AT91_PMC_PLL_CTRL0, &val); + + div = (val & pll->layout->div_mask) >> pll->layout->div_shift; + + return parent_rate / (div + 1); +} + +static const struct clk_ops sam9x60_div_pll_ops = { + .enable = sam9x60_div_pll_enable, + .disable = sam9x60_div_pll_disable, + .set_rate = sam9x60_div_pll_set_rate, + .get_rate = sam9x60_div_pll_get_rate, +}; + +static struct clk * +sam9x60_clk_register_pll(void __iomem *base, const char *type, + const char *name, const char *parent_name, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, u32 flags) +{ + struct sam9x60_pll *pll; + struct clk *clk; + int ret; + + if (!base || !type || !name || !parent_name || !characteristics || + !layout || id > PLL_MAX_ID) + return ERR_PTR(-EINVAL); + + pll = kzalloc(sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + pll->id = id; + pll->characteristics = characteristics; + pll->layout = layout; + pll->base = base; + clk = &pll->clk; + clk->flags = flags; + + ret = clk_register(clk, type, name, parent_name); + if (ret) { + kfree(pll); + clk = ERR_PTR(ret); + } + + return clk; +} + +struct clk * +sam9x60_clk_register_div_pll(void __iomem *base, const char *name, + const char *parent_name, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, bool critical) +{ + return sam9x60_clk_register_pll(base, + UBOOT_DM_CLK_AT91_SAM9X60_DIV_PLL, name, parent_name, id, + characteristics, layout, + CLK_GET_RATE_NOCACHE | (critical ? CLK_IS_CRITICAL : 0)); +} + +struct clk * +sam9x60_clk_register_frac_pll(void __iomem *base, const char *name, + const char *parent_name, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, bool critical) +{ + return sam9x60_clk_register_pll(base, + UBOOT_DM_CLK_AT91_SAM9X60_FRAC_PLL, name, parent_name, id, + characteristics, layout, + CLK_GET_RATE_NOCACHE | (critical ? CLK_IS_CRITICAL : 0)); +} + +U_BOOT_DRIVER(at91_sam9x60_div_pll_clk) = { + .name = UBOOT_DM_CLK_AT91_SAM9X60_DIV_PLL, + .id = UCLASS_CLK, + .ops = &sam9x60_div_pll_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +U_BOOT_DRIVER(at91_sam9x60_frac_pll_clk) = { + .name = UBOOT_DM_CLK_AT91_SAM9X60_FRAC_PLL, + .id = UCLASS_CLK, + .ops = &sam9x60_frac_pll_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c deleted file mode 100644 index 1f8665768b..0000000000 --- a/drivers/clk/at91/clk-slow.c +++ /dev/null @@ -1,36 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> - */ - -#include <common.h> -#include <clk-uclass.h> -#include <dm.h> - -static int at91_slow_clk_enable(struct clk *clk) -{ - return 0; -} - -static ulong at91_slow_clk_get_rate(struct clk *clk) -{ - return CONFIG_SYS_AT91_SLOW_CLOCK; -} - -static struct clk_ops at91_slow_clk_ops = { - .enable = at91_slow_clk_enable, - .get_rate = at91_slow_clk_get_rate, -}; - -static const struct udevice_id at91_slow_clk_match[] = { - { .compatible = "atmel,at91sam9x5-clk-slow" }, - {} -}; - -U_BOOT_DRIVER(at91_slow_clk) = { - .name = "at91-slow-clk", - .id = UCLASS_CLK, - .of_match = at91_slow_clk_match, - .ops = &at91_slow_clk_ops, -}; diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c index 76b1958670..82f79e74a1 100644 --- a/drivers/clk/at91/clk-system.c +++ b/drivers/clk/at91/clk-system.c @@ -1,111 +1,112 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> + * System clock support for AT91 architectures. + * + * Copyright (C) Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-system.c from Linux. */ - +#include <asm/processor.h> #include <common.h> #include <clk-uclass.h> #include <dm.h> -#include <linux/bitops.h> #include <linux/io.h> -#include <mach/at91_pmc.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> + #include "pmc.h" -#define SYSTEM_MAX_ID 31 +#define UBOOT_DM_CLK_AT91_SYSTEM "at91-system-clk" -/** - * at91_system_clk_bind() - for the system clock driver - * Recursively bind its children as clk devices. - * - * @return: 0 on success, or negative error code on failure - */ -static int at91_system_clk_bind(struct udevice *dev) -{ - return at91_clk_sub_device_bind(dev, "system-clk"); -} - -static const struct udevice_id at91_system_clk_match[] = { - { .compatible = "atmel,at91rm9200-clk-system" }, - {} -}; +#define SYSTEM_MAX_ID 31 -U_BOOT_DRIVER(at91_system_clk) = { - .name = "at91-system-clk", - .id = UCLASS_MISC, - .of_match = at91_system_clk_match, - .bind = at91_system_clk_bind, +struct clk_system { + void __iomem *base; + struct clk clk; + u8 id; }; -/*----------------------------------------------------------*/ +#define to_clk_system(_c) container_of(_c, struct clk_system, clk) static inline int is_pck(int id) { return (id >= 8) && (id <= 15); } -static ulong system_clk_get_rate(struct clk *clk) +static inline bool clk_system_ready(void __iomem *base, int id) { - struct clk clk_dev; - int ret; + unsigned int status; - ret = clk_get_by_index(clk->dev, 0, &clk_dev); - if (ret) - return -EINVAL; + pmc_read(base, AT91_PMC_SR, &status); - return clk_get_rate(&clk_dev); + return !!(status & (1 << id)); } -static ulong system_clk_set_rate(struct clk *clk, ulong rate) +static int clk_system_enable(struct clk *clk) { - struct clk clk_dev; - int ret; + struct clk_system *sys = to_clk_system(clk); - ret = clk_get_by_index(clk->dev, 0, &clk_dev); - if (ret) - return -EINVAL; + pmc_write(sys->base, AT91_PMC_SCER, 1 << sys->id); - return clk_set_rate(&clk_dev, rate); + if (!is_pck(sys->id)) + return 0; + + while (!clk_system_ready(sys->base, sys->id)) { + debug("waiting for pck%u\n", sys->id); + cpu_relax(); + } + + return 0; } -static int system_clk_enable(struct clk *clk) +static int clk_system_disable(struct clk *clk) { - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - u32 mask; + struct clk_system *sys = to_clk_system(clk); - if (clk->id > SYSTEM_MAX_ID) - return -EINVAL; + pmc_write(sys->base, AT91_PMC_SCDR, 1 << sys->id); - mask = BIT(clk->id); + return 0; +} - writel(mask, &pmc->scer); +static const struct clk_ops system_ops = { + .enable = clk_system_enable, + .disable = clk_system_disable, + .get_rate = clk_generic_get_rate, +}; - /** - * For the programmable clocks the Ready status in the PMC - * status register should be checked after enabling. - * For other clocks this is unnecessary. - */ - if (!is_pck(clk->id)) - return 0; +struct clk *at91_clk_register_system(void __iomem *base, const char *name, + const char *parent_name, u8 id) +{ + struct clk_system *sys; + struct clk *clk; + int ret; - while (!(readl(&pmc->sr) & mask)) - ; + if (!base || !name || !parent_name || id > SYSTEM_MAX_ID) + return ERR_PTR(-EINVAL); - return 0; -} + sys = kzalloc(sizeof(*sys), GFP_KERNEL); + if (!sys) + return ERR_PTR(-ENOMEM); -static struct clk_ops system_clk_ops = { - .of_xlate = at91_clk_of_xlate, - .get_rate = system_clk_get_rate, - .set_rate = system_clk_set_rate, - .enable = system_clk_enable, -}; + sys->id = id; + sys->base = base; -U_BOOT_DRIVER(system_clk) = { - .name = "system-clk", + clk = &sys->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_SYSTEM, name, parent_name); + if (ret) { + kfree(sys); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_system_clk) = { + .name = UBOOT_DM_CLK_AT91_SYSTEM, .id = UCLASS_CLK, - .probe = at91_clk_probe, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &system_clk_ops, + .ops = &system_ops, + .flags = DM_FLAG_PRE_RELOC, }; diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c deleted file mode 100644 index af9d724369..0000000000 --- a/drivers/clk/at91/clk-usb.c +++ /dev/null @@ -1,147 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2018 Microhip / Atmel Corporation - * Wenyou.Yang <wenyou.yang@microchip.com> - */ - -#include <common.h> -#include <clk-uclass.h> -#include <log.h> -#include <dm/device.h> -#include <linux/err.h> -#include <linux/io.h> -#include <mach/at91_pmc.h> -#include "pmc.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define AT91_USB_CLK_SOURCE_MAX 2 -#define AT91_USB_CLK_MAX_DIV 15 - -struct at91_usb_clk_priv { - u32 num_clksource; -}; - -static ulong at91_usb_clk_get_rate(struct clk *clk) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct clk source; - u32 tmp, usbdiv; - u8 source_index; - int ret; - - tmp = readl(&pmc->pcr); - source_index = (tmp >> AT91_PMC_USB_USBS_OFFSET) & - AT91_PMC_USB_USBS_MASK; - usbdiv = (tmp >> AT91_PMC_USB_DIV_OFFSET) & AT91_PMC_USB_DIV_MASK; - - ret = clk_get_by_index(clk->dev, source_index, &source); - if (ret) - return 0; - - return clk_get_rate(&source) / (usbdiv + 1); -} - -static ulong at91_usb_clk_set_rate(struct clk *clk, ulong rate) -{ - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct at91_usb_clk_priv *priv = dev_get_priv(clk->dev); - struct clk source, best_source; - ulong tmp_rate, best_rate = rate, source_rate; - int tmp_diff, best_diff = -1; - u32 div, best_div = 0; - u8 best_source_index = 0; - u8 i; - u32 tmp; - int ret; - - for (i = 0; i < priv->num_clksource; i++) { - ret = clk_get_by_index(clk->dev, i, &source); - if (ret) - return ret; - - source_rate = clk_get_rate(&source); - if (IS_ERR_VALUE(source_rate)) - return source_rate; - - for (div = 1; div < AT91_USB_CLK_MAX_DIV + 2; div++) { - tmp_rate = DIV_ROUND_CLOSEST(source_rate, div); - tmp_diff = abs(rate - tmp_rate); - - if (best_diff < 0 || best_diff > tmp_diff) { - best_rate = tmp_rate; - best_diff = tmp_diff; - - best_div = div - 1; - best_source = source; - best_source_index = i; - } - - if (!best_diff || tmp_rate < rate) - break; - } - - if (!best_diff) - break; - } - - debug("AT91 USB: best sourc: %s, best_rate = %ld, best_div = %d\n", - best_source.dev->name, best_rate, best_div); - - ret = clk_enable(&best_source); - if (ret) - return ret; - - tmp = AT91_PMC_USB_USBS_(best_source_index) | - AT91_PMC_USB_DIV_(best_div); - writel(tmp, &pmc->usb); - - return 0; -} - -static struct clk_ops at91_usb_clk_ops = { - .get_rate = at91_usb_clk_get_rate, - .set_rate = at91_usb_clk_set_rate, -}; - -static int at91_usb_clk_ofdata_to_platdata(struct udevice *dev) -{ - struct at91_usb_clk_priv *priv = dev_get_priv(dev); - u32 cells[AT91_USB_CLK_SOURCE_MAX]; - u32 num_clksource; - - num_clksource = fdtdec_get_int_array_count(gd->fdt_blob, - dev_of_offset(dev), - "clocks", cells, - AT91_USB_CLK_SOURCE_MAX); - - if (!num_clksource) - return -1; - - priv->num_clksource = num_clksource; - - return 0; -} - -static int at91_usb_clk_probe(struct udevice *dev) -{ - return at91_pmc_core_probe(dev); -} - -static const struct udevice_id at91_usb_clk_match[] = { - { .compatible = "atmel,at91sam9x5-clk-usb" }, - {} -}; - -U_BOOT_DRIVER(at91_usb_clk) = { - .name = "at91-usb-clk", - .id = UCLASS_CLK, - .of_match = at91_usb_clk_match, - .probe = at91_usb_clk_probe, - .ofdata_to_platdata = at91_usb_clk_ofdata_to_platdata, - .priv_auto_alloc_size = sizeof(struct at91_usb_clk_priv), - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &at91_usb_clk_ops, -}; diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c index 18af0bfeaa..7c8bcfb51d 100644 --- a/drivers/clk/at91/clk-utmi.c +++ b/drivers/clk/at91/clk-utmi.c @@ -1,49 +1,65 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> + * UTMI clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/clk-utmi.c from Linux. */ - +#include <asm/processor.h> #include <common.h> #include <clk-uclass.h> #include <dm.h> -#include <syscon.h> -#include <linux/io.h> -#include <mach/at91_pmc.h> +#include <linux/clk-provider.h> +#include <linux/clk/at91_pmc.h> #include <mach/at91_sfr.h> +#include <regmap.h> +#include <syscon.h> + #include "pmc.h" +#define UBOOT_DM_CLK_AT91_UTMI "at91-utmi-clk" +#define UBOOT_DM_CLK_AT91_SAMA7G5_UTMI "at91-sama7g5-utmi-clk" + /* * The purpose of this clock is to generate a 480 MHz signal. A different * rate can't be configured. */ #define UTMI_RATE 480000000 -static int utmi_clk_enable(struct clk *clk) +struct clk_utmi { + void __iomem *base; + struct regmap *regmap_sfr; + struct clk clk; +}; + +#define to_clk_utmi(_clk) container_of(_clk, struct clk_utmi, clk) + +static inline bool clk_utmi_ready(struct regmap *regmap) +{ + unsigned int status; + + pmc_read(regmap, AT91_PMC_SR, &status); + + return !!(status & AT91_PMC_LOCKU); +} + +static int clk_utmi_enable(struct clk *clk) { - struct pmc_platdata *plat = dev_get_platdata(clk->dev); - struct at91_pmc *pmc = plat->reg_base; - struct clk clk_dev; - ulong clk_rate; - u32 utmi_ref_clk_freq; - u32 tmp; - int err; - int timeout = 2000000; - - if (readl(&pmc->sr) & AT91_PMC_LOCKU) - return 0; + struct clk_utmi *utmi = to_clk_utmi(clk); + unsigned int uckr = AT91_PMC_UPLLEN | AT91_PMC_UPLLCOUNT | + AT91_PMC_BIASEN; + unsigned int utmi_ref_clk_freq; + ulong parent_rate = clk_get_parent_rate(clk); /* * If mainck rate is different from 12 MHz, we have to configure the * FREQ field of the SFR_UTMICKTRIM register to generate properly * the utmi clock. */ - err = clk_get_by_index(clk->dev, 0, &clk_dev); - if (err) - return -EINVAL; - - clk_rate = clk_get_rate(&clk_dev); - switch (clk_rate) { + switch (parent_rate) { case 12000000: utmi_ref_clk_freq = 0; break; @@ -61,82 +77,158 @@ static int utmi_clk_enable(struct clk *clk) utmi_ref_clk_freq = 3; break; default: - printf("UTMICK: unsupported mainck rate\n"); + debug("UTMICK: unsupported mainck rate\n"); return -EINVAL; } - if (plat->regmap_sfr) { - err = regmap_read(plat->regmap_sfr, AT91_SFR_UTMICKTRIM, &tmp); - if (err) - return -EINVAL; - - tmp &= ~AT91_UTMICKTRIM_FREQ; - tmp |= utmi_ref_clk_freq; - err = regmap_write(plat->regmap_sfr, AT91_SFR_UTMICKTRIM, tmp); - if (err) - return -EINVAL; + if (utmi->regmap_sfr) { + regmap_update_bits(utmi->regmap_sfr, AT91_SFR_UTMICKTRIM, + AT91_UTMICKTRIM_FREQ, utmi_ref_clk_freq); } else if (utmi_ref_clk_freq) { - printf("UTMICK: sfr node required\n"); + debug("UTMICK: sfr node required\n"); return -EINVAL; } - tmp = readl(&pmc->uckr); - tmp |= AT91_PMC_UPLLEN | - AT91_PMC_UPLLCOUNT | - AT91_PMC_BIASEN; - writel(tmp, &pmc->uckr); - - while ((--timeout) && !(readl(&pmc->sr) & AT91_PMC_LOCKU)) - ; - if (!timeout) { - printf("UTMICK: timeout waiting for UPLL lock\n"); - return -ETIMEDOUT; + pmc_update_bits(utmi->base, AT91_CKGR_UCKR, uckr, uckr); + + while (!clk_utmi_ready(utmi->base)) { + debug("waiting for utmi...\n"); + cpu_relax(); } return 0; } -static ulong utmi_clk_get_rate(struct clk *clk) +static int clk_utmi_disable(struct clk *clk) +{ + struct clk_utmi *utmi = to_clk_utmi(clk); + + pmc_update_bits(utmi->base, AT91_CKGR_UCKR, AT91_PMC_UPLLEN, 0); + + return 0; +} + +static ulong clk_utmi_get_rate(struct clk *clk) { /* UTMI clk rate is fixed. */ return UTMI_RATE; } -static struct clk_ops utmi_clk_ops = { - .enable = utmi_clk_enable, - .get_rate = utmi_clk_get_rate, +static const struct clk_ops utmi_ops = { + .enable = clk_utmi_enable, + .disable = clk_utmi_disable, + .get_rate = clk_utmi_get_rate, }; -static int utmi_clk_ofdata_to_platdata(struct udevice *dev) +struct clk *at91_clk_register_utmi(void __iomem *base, struct udevice *dev, + const char *name, const char *parent_name) { - struct pmc_platdata *plat = dev_get_platdata(dev); struct udevice *syscon; + struct clk_utmi *utmi; + struct clk *clk; + int ret; + + if (!base || !dev || !name || !parent_name) + return ERR_PTR(-EINVAL); + + ret = uclass_get_device_by_phandle(UCLASS_SYSCON, dev, + "regmap-sfr", &syscon); + if (ret) + return ERR_PTR(ret); + + utmi = kzalloc(sizeof(*utmi), GFP_KERNEL); + if (!utmi) + return ERR_PTR(-ENOMEM); + + utmi->base = base; + utmi->regmap_sfr = syscon_get_regmap(syscon); + if (!utmi->regmap_sfr) { + kfree(utmi); + return ERR_PTR(-ENODEV); + } - uclass_get_device_by_phandle(UCLASS_SYSCON, dev, - "regmap-sfr", &syscon); - - if (syscon) - plat->regmap_sfr = syscon_get_regmap(syscon); + clk = &utmi->clk; + clk->flags = CLK_GET_RATE_NOCACHE; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_UTMI, name, parent_name); + if (ret) { + kfree(utmi); + clk = ERR_PTR(ret); + } - return 0; + return clk; } -static int utmi_clk_probe(struct udevice *dev) +U_BOOT_DRIVER(at91_utmi_clk) = { + .name = UBOOT_DM_CLK_AT91_UTMI, + .id = UCLASS_CLK, + .ops = &utmi_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static int clk_utmi_sama7g5_enable(struct clk *clk) { - return at91_pmc_core_probe(dev); + struct clk_utmi *utmi = to_clk_utmi(clk); + ulong parent_rate = clk_get_parent_rate(clk); + unsigned int val; + + switch (parent_rate) { + case 16000000: + val = 0; + break; + case 20000000: + val = 2; + break; + case 24000000: + val = 3; + break; + case 32000000: + val = 5; + break; + default: + debug("UTMICK: unsupported main_xtal rate\n"); + return -EINVAL; + } + + pmc_write(utmi->base, AT91_PMC_XTALF, val); + + return 0; } -static const struct udevice_id utmi_clk_match[] = { - { .compatible = "atmel,at91sam9x5-clk-utmi" }, - {} +static const struct clk_ops sama7g5_utmi_ops = { + .enable = clk_utmi_sama7g5_enable, + .get_rate = clk_utmi_get_rate, }; -U_BOOT_DRIVER(at91sam9x5_utmi_clk) = { - .name = "at91sam9x5-utmi-clk", +struct clk *at91_clk_sama7g5_register_utmi(void __iomem *base, + const char *name, const char *parent_name) +{ + struct clk_utmi *utmi; + struct clk *clk; + int ret; + + if (!base || !name || !parent_name) + return ERR_PTR(-EINVAL); + + utmi = kzalloc(sizeof(*utmi), GFP_KERNEL); + if (!utmi) + return ERR_PTR(-ENOMEM); + + utmi->base = base; + + clk = &utmi->clk; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_SAMA7G5_UTMI, name, + parent_name); + if (ret) { + kfree(utmi); + clk = ERR_PTR(ret); + } + + return clk; +} + +U_BOOT_DRIVER(at91_sama7g5_utmi_clk) = { + .name = UBOOT_DM_CLK_AT91_SAMA7G5_UTMI, .id = UCLASS_CLK, - .of_match = utmi_clk_match, - .probe = utmi_clk_probe, - .ofdata_to_platdata = utmi_clk_ofdata_to_platdata, - .platdata_auto_alloc_size = sizeof(struct pmc_platdata), - .ops = &utmi_clk_ops, + .ops = &sama7g5_utmi_ops, + .flags = DM_FLAG_PRE_RELOC, }; diff --git a/drivers/clk/at91/compat.c b/drivers/clk/at91/compat.c new file mode 100644 index 0000000000..8cf6254046 --- /dev/null +++ b/drivers/clk/at91/compat.c @@ -0,0 +1,1023 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Compatible code for non CCF AT91 platforms. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + */ +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <dm/lists.h> +#include <dm/util.h> +#include <mach/at91_pmc.h> +#include <mach/at91_sfr.h> +#include <regmap.h> +#include <syscon.h> + +#include "pmc.h" + +DECLARE_GLOBAL_DATA_PTR; + +struct pmc_platdata { + struct at91_pmc *reg_base; + struct regmap *regmap_sfr; +}; + +static const struct udevice_id at91_pmc_match[] = { + { .compatible = "atmel,at91rm9200-pmc" }, + { .compatible = "atmel,at91sam9260-pmc" }, + { .compatible = "atmel,at91sam9g45-pmc" }, + { .compatible = "atmel,at91sam9n12-pmc" }, + { .compatible = "atmel,at91sam9x5-pmc" }, + { .compatible = "atmel,sama5d3-pmc" }, + { .compatible = "atmel,sama5d2-pmc" }, + {} +}; + +U_BOOT_DRIVER(at91_pmc) = { + .name = "at91-pmc", + .id = UCLASS_SIMPLE_BUS, + .of_match = at91_pmc_match, +}; + +static int at91_pmc_core_probe(struct udevice *dev) +{ + struct pmc_platdata *plat = dev_get_platdata(dev); + + dev = dev_get_parent(dev); + + plat->reg_base = dev_read_addr_ptr(dev); + + return 0; +} + +/** + * at91_clk_sub_device_bind() - for the at91 clock driver + * Recursively bind its children as clk devices. + * + * @return: 0 on success, or negative error code on failure + */ +int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name) +{ + const void *fdt = gd->fdt_blob; + int offset = dev_of_offset(dev); + bool pre_reloc_only = !(gd->flags & GD_FLG_RELOC); + const char *name; + int ret; + + for (offset = fdt_first_subnode(fdt, offset); + offset > 0; + offset = fdt_next_subnode(fdt, offset)) { + if (pre_reloc_only && + !ofnode_pre_reloc(offset_to_ofnode(offset))) + continue; + /* + * If this node has "compatible" property, this is not + * a clock sub-node, but a normal device. skip. + */ + fdt_get_property(fdt, offset, "compatible", &ret); + if (ret >= 0) + continue; + + if (ret != -FDT_ERR_NOTFOUND) + return ret; + + name = fdt_get_name(fdt, offset, NULL); + if (!name) + return -EINVAL; + ret = device_bind_driver_to_node(dev, drv_name, name, + offset_to_ofnode(offset), NULL); + if (ret) + return ret; + } + + return 0; +} + +int at91_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + int periph; + + if (args->args_count) { + debug("Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } + + periph = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(clk->dev), "reg", + -1); + if (periph < 0) + return -EINVAL; + + clk->id = periph; + + return 0; +} + +int at91_clk_probe(struct udevice *dev) +{ + struct udevice *dev_periph_container, *dev_pmc; + struct pmc_platdata *plat = dev_get_platdata(dev); + + dev_periph_container = dev_get_parent(dev); + dev_pmc = dev_get_parent(dev_periph_container); + + plat->reg_base = dev_read_addr_ptr(dev_pmc); + + return 0; +} + +/* SCKC specific code. */ +static const struct udevice_id at91_sckc_match[] = { + { .compatible = "atmel,at91sam9x5-sckc" }, + {} +}; + +U_BOOT_DRIVER(at91_sckc) = { + .name = "at91-sckc", + .id = UCLASS_SIMPLE_BUS, + .of_match = at91_sckc_match, +}; + +/* Slow clock specific code. */ +static int at91_slow_clk_enable(struct clk *clk) +{ + return 0; +} + +static ulong at91_slow_clk_get_rate(struct clk *clk) +{ + return CONFIG_SYS_AT91_SLOW_CLOCK; +} + +static struct clk_ops at91_slow_clk_ops = { + .enable = at91_slow_clk_enable, + .get_rate = at91_slow_clk_get_rate, +}; + +static const struct udevice_id at91_slow_clk_match[] = { + { .compatible = "atmel,at91sam9x5-clk-slow" }, + {} +}; + +U_BOOT_DRIVER(at91_slow_clk) = { + .name = "at91-slow-clk", + .id = UCLASS_CLK, + .of_match = at91_slow_clk_match, + .ops = &at91_slow_clk_ops, +}; + +/* Master clock specific code. */ +static ulong at91_master_clk_get_rate(struct clk *clk) +{ + return gd->arch.mck_rate_hz; +} + +static struct clk_ops at91_master_clk_ops = { + .get_rate = at91_master_clk_get_rate, +}; + +static const struct udevice_id at91_master_clk_match[] = { + { .compatible = "atmel,at91rm9200-clk-master" }, + { .compatible = "atmel,at91sam9x5-clk-master" }, + {} +}; + +U_BOOT_DRIVER(at91_master_clk) = { + .name = "at91-master-clk", + .id = UCLASS_CLK, + .of_match = at91_master_clk_match, + .ops = &at91_master_clk_ops, +}; + +/* Main osc clock specific code. */ +static int main_osc_clk_enable(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + + if (readl(&pmc->sr) & AT91_PMC_MOSCSELS) + return 0; + + return -EINVAL; +} + +static ulong main_osc_clk_get_rate(struct clk *clk) +{ + return gd->arch.main_clk_rate_hz; +} + +static struct clk_ops main_osc_clk_ops = { + .enable = main_osc_clk_enable, + .get_rate = main_osc_clk_get_rate, +}; + +static int main_osc_clk_probe(struct udevice *dev) +{ + return at91_pmc_core_probe(dev); +} + +static const struct udevice_id main_osc_clk_match[] = { + { .compatible = "atmel,at91sam9x5-clk-main" }, + {} +}; + +U_BOOT_DRIVER(at91sam9x5_main_osc_clk) = { + .name = "at91sam9x5-main-osc-clk", + .id = UCLASS_CLK, + .of_match = main_osc_clk_match, + .probe = main_osc_clk_probe, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &main_osc_clk_ops, +}; + +/* PLLA clock specific code. */ +static int plla_clk_enable(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + + if (readl(&pmc->sr) & AT91_PMC_LOCKA) + return 0; + + return -EINVAL; +} + +static ulong plla_clk_get_rate(struct clk *clk) +{ + return gd->arch.plla_rate_hz; +} + +static struct clk_ops plla_clk_ops = { + .enable = plla_clk_enable, + .get_rate = plla_clk_get_rate, +}; + +static int plla_clk_probe(struct udevice *dev) +{ + return at91_pmc_core_probe(dev); +} + +static const struct udevice_id plla_clk_match[] = { + { .compatible = "atmel,sama5d3-clk-pll" }, + {} +}; + +U_BOOT_DRIVER(at91_plla_clk) = { + .name = "at91-plla-clk", + .id = UCLASS_CLK, + .of_match = plla_clk_match, + .probe = plla_clk_probe, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &plla_clk_ops, +}; + +/* PLLA DIV clock specific code. */ +static int at91_plladiv_clk_enable(struct clk *clk) +{ + return 0; +} + +static ulong at91_plladiv_clk_get_rate(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct clk source; + ulong clk_rate; + int ret; + + ret = clk_get_by_index(clk->dev, 0, &source); + if (ret) + return -EINVAL; + + clk_rate = clk_get_rate(&source); + if (readl(&pmc->mckr) & AT91_PMC_MCKR_PLLADIV_2) + clk_rate /= 2; + + return clk_rate; +} + +static ulong at91_plladiv_clk_set_rate(struct clk *clk, ulong rate) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct clk source; + ulong parent_rate; + int ret; + + ret = clk_get_by_index(clk->dev, 0, &source); + if (ret) + return -EINVAL; + + parent_rate = clk_get_rate(&source); + if ((parent_rate != rate) && ((parent_rate) / 2 != rate)) + return -EINVAL; + + if (parent_rate != rate) { + writel((readl(&pmc->mckr) | AT91_PMC_MCKR_PLLADIV_2), + &pmc->mckr); + } + + return 0; +} + +static struct clk_ops at91_plladiv_clk_ops = { + .enable = at91_plladiv_clk_enable, + .get_rate = at91_plladiv_clk_get_rate, + .set_rate = at91_plladiv_clk_set_rate, +}; + +static int at91_plladiv_clk_probe(struct udevice *dev) +{ + return at91_pmc_core_probe(dev); +} + +static const struct udevice_id at91_plladiv_clk_match[] = { + { .compatible = "atmel,at91sam9x5-clk-plldiv" }, + {} +}; + +U_BOOT_DRIVER(at91_plladiv_clk) = { + .name = "at91-plladiv-clk", + .id = UCLASS_CLK, + .of_match = at91_plladiv_clk_match, + .probe = at91_plladiv_clk_probe, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &at91_plladiv_clk_ops, +}; + +/* System clock specific code. */ +#define SYSTEM_MAX_ID 31 + +/** + * at91_system_clk_bind() - for the system clock driver + * Recursively bind its children as clk devices. + * + * @return: 0 on success, or negative error code on failure + */ +static int at91_system_clk_bind(struct udevice *dev) +{ + return at91_clk_sub_device_bind(dev, "system-clk"); +} + +static const struct udevice_id at91_system_clk_match[] = { + { .compatible = "atmel,at91rm9200-clk-system" }, + {} +}; + +U_BOOT_DRIVER(at91_system_clk) = { + .name = "at91-system-clk", + .id = UCLASS_MISC, + .of_match = at91_system_clk_match, + .bind = at91_system_clk_bind, +}; + +static inline int is_pck(int id) +{ + return (id >= 8) && (id <= 15); +} + +static ulong system_clk_get_rate(struct clk *clk) +{ + struct clk clk_dev; + int ret; + + ret = clk_get_by_index(clk->dev, 0, &clk_dev); + if (ret) + return -EINVAL; + + return clk_get_rate(&clk_dev); +} + +static ulong system_clk_set_rate(struct clk *clk, ulong rate) +{ + struct clk clk_dev; + int ret; + + ret = clk_get_by_index(clk->dev, 0, &clk_dev); + if (ret) + return -EINVAL; + + return clk_set_rate(&clk_dev, rate); +} + +static int system_clk_enable(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + u32 mask; + + if (clk->id > SYSTEM_MAX_ID) + return -EINVAL; + + mask = BIT(clk->id); + + writel(mask, &pmc->scer); + + /** + * For the programmable clocks the Ready status in the PMC + * status register should be checked after enabling. + * For other clocks this is unnecessary. + */ + if (!is_pck(clk->id)) + return 0; + + while (!(readl(&pmc->sr) & mask)) + ; + + return 0; +} + +static struct clk_ops system_clk_ops = { + .of_xlate = at91_clk_of_xlate, + .get_rate = system_clk_get_rate, + .set_rate = system_clk_set_rate, + .enable = system_clk_enable, +}; + +U_BOOT_DRIVER(system_clk) = { + .name = "system-clk", + .id = UCLASS_CLK, + .probe = at91_clk_probe, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &system_clk_ops, +}; + +/* Peripheral clock specific code. */ +#define PERIPHERAL_ID_MIN 2 +#define PERIPHERAL_ID_MAX 31 +#define PERIPHERAL_MASK(id) (1 << ((id) & PERIPHERAL_ID_MAX)) + +enum periph_clk_type { + CLK_PERIPH_AT91RM9200 = 0, + CLK_PERIPH_AT91SAM9X5, +}; + +/** + * sam9x5_periph_clk_bind() - for the periph clock driver + * Recursively bind its children as clk devices. + * + * @return: 0 on success, or negative error code on failure + */ +static int sam9x5_periph_clk_bind(struct udevice *dev) +{ + return at91_clk_sub_device_bind(dev, "periph-clk"); +} + +static const struct udevice_id sam9x5_periph_clk_match[] = { + { + .compatible = "atmel,at91rm9200-clk-peripheral", + .data = CLK_PERIPH_AT91RM9200, + }, + { + .compatible = "atmel,at91sam9x5-clk-peripheral", + .data = CLK_PERIPH_AT91SAM9X5, + }, + {} +}; + +U_BOOT_DRIVER(sam9x5_periph_clk) = { + .name = "sam9x5-periph-clk", + .id = UCLASS_MISC, + .of_match = sam9x5_periph_clk_match, + .bind = sam9x5_periph_clk_bind, +}; + +static int periph_clk_enable(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + enum periph_clk_type clk_type; + void *addr; + + if (clk->id < PERIPHERAL_ID_MIN) + return -1; + + clk_type = dev_get_driver_data(dev_get_parent(clk->dev)); + if (clk_type == CLK_PERIPH_AT91RM9200) { + addr = &pmc->pcer; + if (clk->id > PERIPHERAL_ID_MAX) + addr = &pmc->pcer1; + + setbits_le32(addr, PERIPHERAL_MASK(clk->id)); + } else { + writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr); + setbits_le32(&pmc->pcr, + AT91_PMC_PCR_CMD_WRITE | AT91_PMC_PCR_EN); + } + + return 0; +} + +static ulong periph_get_rate(struct clk *clk) +{ + struct udevice *dev; + struct clk clk_dev; + ulong clk_rate; + int ret; + + dev = dev_get_parent(clk->dev); + + ret = clk_get_by_index(dev, 0, &clk_dev); + if (ret) + return ret; + + clk_rate = clk_get_rate(&clk_dev); + + clk_free(&clk_dev); + + return clk_rate; +} + +static struct clk_ops periph_clk_ops = { + .of_xlate = at91_clk_of_xlate, + .enable = periph_clk_enable, + .get_rate = periph_get_rate, +}; + +U_BOOT_DRIVER(clk_periph) = { + .name = "periph-clk", + .id = UCLASS_CLK, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .probe = at91_clk_probe, + .ops = &periph_clk_ops, +}; + +/* UTMI clock specific code. */ +#ifdef CONFIG_AT91_UTMI + +/* + * The purpose of this clock is to generate a 480 MHz signal. A different + * rate can't be configured. + */ +#define UTMI_RATE 480000000 + +static int utmi_clk_enable(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct clk clk_dev; + ulong clk_rate; + u32 utmi_ref_clk_freq; + u32 tmp; + int err; + int timeout = 2000000; + + if (readl(&pmc->sr) & AT91_PMC_LOCKU) + return 0; + + /* + * If mainck rate is different from 12 MHz, we have to configure the + * FREQ field of the SFR_UTMICKTRIM register to generate properly + * the utmi clock. + */ + err = clk_get_by_index(clk->dev, 0, &clk_dev); + if (err) + return -EINVAL; + + clk_rate = clk_get_rate(&clk_dev); + switch (clk_rate) { + case 12000000: + utmi_ref_clk_freq = 0; + break; + case 16000000: + utmi_ref_clk_freq = 1; + break; + case 24000000: + utmi_ref_clk_freq = 2; + break; + /* + * Not supported on SAMA5D2 but it's not an issue since MAINCK + * maximum value is 24 MHz. + */ + case 48000000: + utmi_ref_clk_freq = 3; + break; + default: + printf("UTMICK: unsupported mainck rate\n"); + return -EINVAL; + } + + if (plat->regmap_sfr) { + err = regmap_read(plat->regmap_sfr, AT91_SFR_UTMICKTRIM, &tmp); + if (err) + return -EINVAL; + + tmp &= ~AT91_UTMICKTRIM_FREQ; + tmp |= utmi_ref_clk_freq; + err = regmap_write(plat->regmap_sfr, AT91_SFR_UTMICKTRIM, tmp); + if (err) + return -EINVAL; + } else if (utmi_ref_clk_freq) { + printf("UTMICK: sfr node required\n"); + return -EINVAL; + } + + tmp = readl(&pmc->uckr); + tmp |= AT91_PMC_UPLLEN | + AT91_PMC_UPLLCOUNT | + AT91_PMC_BIASEN; + writel(tmp, &pmc->uckr); + + while ((--timeout) && !(readl(&pmc->sr) & AT91_PMC_LOCKU)) + ; + if (!timeout) { + printf("UTMICK: timeout waiting for UPLL lock\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static ulong utmi_clk_get_rate(struct clk *clk) +{ + /* UTMI clk rate is fixed. */ + return UTMI_RATE; +} + +static struct clk_ops utmi_clk_ops = { + .enable = utmi_clk_enable, + .get_rate = utmi_clk_get_rate, +}; + +static int utmi_clk_ofdata_to_platdata(struct udevice *dev) +{ + struct pmc_platdata *plat = dev_get_platdata(dev); + struct udevice *syscon; + + uclass_get_device_by_phandle(UCLASS_SYSCON, dev, + "regmap-sfr", &syscon); + + if (syscon) + plat->regmap_sfr = syscon_get_regmap(syscon); + + return 0; +} + +static int utmi_clk_probe(struct udevice *dev) +{ + return at91_pmc_core_probe(dev); +} + +static const struct udevice_id utmi_clk_match[] = { + { .compatible = "atmel,at91sam9x5-clk-utmi" }, + {} +}; + +U_BOOT_DRIVER(at91sam9x5_utmi_clk) = { + .name = "at91sam9x5-utmi-clk", + .id = UCLASS_CLK, + .of_match = utmi_clk_match, + .probe = utmi_clk_probe, + .ofdata_to_platdata = utmi_clk_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &utmi_clk_ops, +}; + +#endif /* CONFIG_AT91_UTMI */ + +/* H32MX clock specific code. */ +#ifdef CONFIG_AT91_H32MX + +#define H32MX_MAX_FREQ 90000000 + +static ulong sama5d4_h32mx_clk_get_rate(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + ulong rate = gd->arch.mck_rate_hz; + + if (readl(&pmc->mckr) & AT91_PMC_MCKR_H32MXDIV) + rate /= 2; + + if (rate > H32MX_MAX_FREQ) + dev_dbg(clk->dev, "H32MX clock is too fast\n"); + + return rate; +} + +static struct clk_ops sama5d4_h32mx_clk_ops = { + .get_rate = sama5d4_h32mx_clk_get_rate, +}; + +static int sama5d4_h32mx_clk_probe(struct udevice *dev) +{ + return at91_pmc_core_probe(dev); +} + +static const struct udevice_id sama5d4_h32mx_clk_match[] = { + { .compatible = "atmel,sama5d4-clk-h32mx" }, + {} +}; + +U_BOOT_DRIVER(sama5d4_h32mx_clk) = { + .name = "sama5d4-h32mx-clk", + .id = UCLASS_CLK, + .of_match = sama5d4_h32mx_clk_match, + .probe = sama5d4_h32mx_clk_probe, + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &sama5d4_h32mx_clk_ops, +}; + +#endif /* CONFIG_AT91_H32MX */ + +/* Generic clock specific code. */ +#ifdef CONFIG_AT91_GENERIC_CLK + +#define GENERATED_SOURCE_MAX 6 +#define GENERATED_MAX_DIV 255 + +/** + * generated_clk_bind() - for the generated clock driver + * Recursively bind its children as clk devices. + * + * @return: 0 on success, or negative error code on failure + */ +static int generated_clk_bind(struct udevice *dev) +{ + return at91_clk_sub_device_bind(dev, "generic-clk"); +} + +static const struct udevice_id generated_clk_match[] = { + { .compatible = "atmel,sama5d2-clk-generated" }, + {} +}; + +U_BOOT_DRIVER(generated_clk) = { + .name = "generated-clk", + .id = UCLASS_MISC, + .of_match = generated_clk_match, + .bind = generated_clk_bind, +}; + +struct generic_clk_priv { + u32 num_parents; +}; + +static ulong generic_clk_get_rate(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct clk parent; + ulong clk_rate; + u32 tmp, gckdiv; + u8 clock_source, parent_index; + int ret; + + writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr); + tmp = readl(&pmc->pcr); + clock_source = (tmp >> AT91_PMC_PCR_GCKCSS_OFFSET) & + AT91_PMC_PCR_GCKCSS_MASK; + gckdiv = (tmp >> AT91_PMC_PCR_GCKDIV_OFFSET) & AT91_PMC_PCR_GCKDIV_MASK; + + parent_index = clock_source - 1; + ret = clk_get_by_index(dev_get_parent(clk->dev), parent_index, &parent); + if (ret) + return 0; + + clk_rate = clk_get_rate(&parent) / (gckdiv + 1); + + clk_free(&parent); + + return clk_rate; +} + +static ulong generic_clk_set_rate(struct clk *clk, ulong rate) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct generic_clk_priv *priv = dev_get_priv(clk->dev); + struct clk parent, best_parent; + ulong tmp_rate, best_rate = rate, parent_rate; + int tmp_diff, best_diff = -1; + u32 div, best_div = 0; + u8 best_parent_index, best_clock_source = 0; + u8 i; + u32 tmp; + int ret; + + for (i = 0; i < priv->num_parents; i++) { + ret = clk_get_by_index(dev_get_parent(clk->dev), i, &parent); + if (ret) + return ret; + + parent_rate = clk_get_rate(&parent); + if (IS_ERR_VALUE(parent_rate)) + return parent_rate; + + for (div = 1; div < GENERATED_MAX_DIV + 2; div++) { + tmp_rate = DIV_ROUND_CLOSEST(parent_rate, div); + tmp_diff = abs(rate - tmp_rate); + + if (best_diff < 0 || best_diff > tmp_diff) { + best_rate = tmp_rate; + best_diff = tmp_diff; + + best_div = div - 1; + best_parent = parent; + best_parent_index = i; + best_clock_source = best_parent_index + 1; + } + + if (!best_diff || tmp_rate < rate) + break; + } + + if (!best_diff) + break; + } + + debug("GCK: best parent: %s, best_rate = %ld, best_div = %d\n", + best_parent.dev->name, best_rate, best_div); + + ret = clk_enable(&best_parent); + if (ret) + return ret; + + writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr); + tmp = readl(&pmc->pcr); + tmp &= ~(AT91_PMC_PCR_GCKDIV | AT91_PMC_PCR_GCKCSS); + tmp |= AT91_PMC_PCR_GCKCSS_(best_clock_source) | + AT91_PMC_PCR_CMD_WRITE | + AT91_PMC_PCR_GCKDIV_(best_div) | + AT91_PMC_PCR_GCKEN; + writel(tmp, &pmc->pcr); + + while (!(readl(&pmc->sr) & AT91_PMC_GCKRDY)) + ; + + return 0; +} + +static struct clk_ops generic_clk_ops = { + .of_xlate = at91_clk_of_xlate, + .get_rate = generic_clk_get_rate, + .set_rate = generic_clk_set_rate, +}; + +static int generic_clk_ofdata_to_platdata(struct udevice *dev) +{ + struct generic_clk_priv *priv = dev_get_priv(dev); + u32 cells[GENERATED_SOURCE_MAX]; + u32 num_parents; + + num_parents = fdtdec_get_int_array_count(gd->fdt_blob, + dev_of_offset(dev_get_parent(dev)), "clocks", cells, + GENERATED_SOURCE_MAX); + + if (!num_parents) + return -1; + + priv->num_parents = num_parents; + + return 0; +} + +U_BOOT_DRIVER(generic_clk) = { + .name = "generic-clk", + .id = UCLASS_CLK, + .probe = at91_clk_probe, + .ofdata_to_platdata = generic_clk_ofdata_to_platdata, + .priv_auto_alloc_size = sizeof(struct generic_clk_priv), + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &generic_clk_ops, +}; + +#endif /* CONFIG_AT91_GENERIC_CLK */ + +/* USB clock specific code. */ +#ifdef CONFIG_AT91_USB_CLK + +#define AT91_USB_CLK_SOURCE_MAX 2 +#define AT91_USB_CLK_MAX_DIV 15 + +struct at91_usb_clk_priv { + u32 num_clksource; +}; + +static ulong at91_usb_clk_get_rate(struct clk *clk) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct clk source; + u32 tmp, usbdiv; + u8 source_index; + int ret; + + tmp = readl(&pmc->pcr); + source_index = (tmp >> AT91_PMC_USB_USBS_OFFSET) & + AT91_PMC_USB_USBS_MASK; + usbdiv = (tmp >> AT91_PMC_USB_DIV_OFFSET) & AT91_PMC_USB_DIV_MASK; + + ret = clk_get_by_index(clk->dev, source_index, &source); + if (ret) + return 0; + + return clk_get_rate(&source) / (usbdiv + 1); +} + +static ulong at91_usb_clk_set_rate(struct clk *clk, ulong rate) +{ + struct pmc_platdata *plat = dev_get_platdata(clk->dev); + struct at91_pmc *pmc = plat->reg_base; + struct at91_usb_clk_priv *priv = dev_get_priv(clk->dev); + struct clk source, best_source; + ulong tmp_rate, best_rate = rate, source_rate; + int tmp_diff, best_diff = -1; + u32 div, best_div = 0; + u8 best_source_index = 0; + u8 i; + u32 tmp; + int ret; + + for (i = 0; i < priv->num_clksource; i++) { + ret = clk_get_by_index(clk->dev, i, &source); + if (ret) + return ret; + + source_rate = clk_get_rate(&source); + if (IS_ERR_VALUE(source_rate)) + return source_rate; + + for (div = 1; div < AT91_USB_CLK_MAX_DIV + 2; div++) { + tmp_rate = DIV_ROUND_CLOSEST(source_rate, div); + tmp_diff = abs(rate - tmp_rate); + + if (best_diff < 0 || best_diff > tmp_diff) { + best_rate = tmp_rate; + best_diff = tmp_diff; + + best_div = div - 1; + best_source = source; + best_source_index = i; + } + + if (!best_diff || tmp_rate < rate) + break; + } + + if (!best_diff) + break; + } + + debug("AT91 USB: best sourc: %s, best_rate = %ld, best_div = %d\n", + best_source.dev->name, best_rate, best_div); + + ret = clk_enable(&best_source); + if (ret) + return ret; + + tmp = AT91_PMC_USB_USBS_(best_source_index) | + AT91_PMC_USB_DIV_(best_div); + writel(tmp, &pmc->usb); + + return 0; +} + +static struct clk_ops at91_usb_clk_ops = { + .get_rate = at91_usb_clk_get_rate, + .set_rate = at91_usb_clk_set_rate, +}; + +static int at91_usb_clk_ofdata_to_platdata(struct udevice *dev) +{ + struct at91_usb_clk_priv *priv = dev_get_priv(dev); + u32 cells[AT91_USB_CLK_SOURCE_MAX]; + u32 num_clksource; + + num_clksource = fdtdec_get_int_array_count(gd->fdt_blob, + dev_of_offset(dev), + "clocks", cells, + AT91_USB_CLK_SOURCE_MAX); + + if (!num_clksource) + return -1; + + priv->num_clksource = num_clksource; + + return 0; +} + +static int at91_usb_clk_probe(struct udevice *dev) +{ + return at91_pmc_core_probe(dev); +} + +static const struct udevice_id at91_usb_clk_match[] = { + { .compatible = "atmel,at91sam9x5-clk-usb" }, + {} +}; + +U_BOOT_DRIVER(at91_usb_clk) = { + .name = "at91-usb-clk", + .id = UCLASS_CLK, + .of_match = at91_usb_clk_match, + .probe = at91_usb_clk_probe, + .ofdata_to_platdata = at91_usb_clk_ofdata_to_platdata, + .priv_auto_alloc_size = sizeof(struct at91_usb_clk_priv), + .platdata_auto_alloc_size = sizeof(struct pmc_platdata), + .ops = &at91_usb_clk_ops, +}; + +#endif /* CONFIG_AT91_USB_CLK */ diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index ca90abef2d..660e231921 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -4,119 +4,167 @@ * Wenyou.Yang <wenyou.yang@atmel.com> */ -#include <common.h> +#include <asm/io.h> #include <clk-uclass.h> -#include <dm.h> -#include <log.h> -#include <dm/lists.h> -#include <dm/util.h> +#include <common.h> + #include "pmc.h" -DECLARE_GLOBAL_DATA_PTR; - -static const struct udevice_id at91_pmc_match[] = { - { .compatible = "atmel,at91rm9200-pmc" }, - { .compatible = "atmel,at91sam9260-pmc" }, - { .compatible = "atmel,at91sam9g45-pmc" }, - { .compatible = "atmel,at91sam9n12-pmc" }, - { .compatible = "atmel,at91sam9x5-pmc" }, - { .compatible = "atmel,sama5d3-pmc" }, - { .compatible = "atmel,sama5d2-pmc" }, - {} -}; +static int at91_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + if (args->args_count != 2) { + debug("AT91: clk: Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } -U_BOOT_DRIVER(atmel_at91rm9200_pmc) = { - .name = "atmel_at91rm9200_pmc", - .id = UCLASS_SIMPLE_BUS, - .of_match = at91_pmc_match, -}; + clk->id = AT91_TO_CLK_ID(args->args[0], args->args[1]); + + return 0; +} + +static ulong at91_clk_get_rate(struct clk *clk) +{ + struct clk *c; + int ret; + + ret = clk_get_by_id(clk->id, &c); + if (ret) + return ret; + + return clk_get_rate(c); +} + +static ulong at91_clk_set_rate(struct clk *clk, ulong rate) +{ + struct clk *c; + int ret; -U_BOOT_DRIVER_ALIAS(atmel_at91rm9200_pmc, atmel_at91sam9260_pmc) + ret = clk_get_by_id(clk->id, &c); + if (ret) + return ret; -/*---------------------------------------------------------*/ + return clk_set_rate(c, rate); +} -int at91_pmc_core_probe(struct udevice *dev) +static int at91_clk_enable(struct clk *clk) { - struct pmc_platdata *plat = dev_get_platdata(dev); + struct clk *c; + int ret; - dev = dev_get_parent(dev); + ret = clk_get_by_id(clk->id, &c); + if (ret) + return ret; - plat->reg_base = dev_read_addr_ptr(dev); + return clk_enable(c); +} - return 0; +static int at91_clk_disable(struct clk *clk) +{ + struct clk *c; + int ret; + + ret = clk_get_by_id(clk->id, &c); + if (ret) + return ret; + + return clk_disable(c); } +const struct clk_ops at91_clk_ops = { + .of_xlate = at91_clk_of_xlate, + .set_rate = at91_clk_set_rate, + .get_rate = at91_clk_get_rate, + .enable = at91_clk_enable, + .disable = at91_clk_disable, +}; + /** - * at91_clk_sub_device_bind() - for the at91 clock driver - * Recursively bind its children as clk devices. + * pmc_read() - read content at address base + off into val * - * @return: 0 on success, or negative error code on failure + * @base: base address + * @off: offset to read from + * @val: where the content of base + off is stored + * + * @return: void */ -int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name) +void pmc_read(void __iomem *base, unsigned int off, unsigned int *val) { - const void *fdt = gd->fdt_blob; - int offset = dev_of_offset(dev); - bool pre_reloc_only = !(gd->flags & GD_FLG_RELOC); - const char *name; - int ret; - - for (offset = fdt_first_subnode(fdt, offset); - offset > 0; - offset = fdt_next_subnode(fdt, offset)) { - if (pre_reloc_only && - !ofnode_pre_reloc(offset_to_ofnode(offset))) - continue; - /* - * If this node has "compatible" property, this is not - * a clock sub-node, but a normal device. skip. - */ - fdt_get_property(fdt, offset, "compatible", &ret); - if (ret >= 0) - continue; - - if (ret != -FDT_ERR_NOTFOUND) - return ret; - - name = fdt_get_name(fdt, offset, NULL); - if (!name) - return -EINVAL; - ret = device_bind_driver_to_node(dev, drv_name, name, - offset_to_ofnode(offset), NULL); - if (ret) - return ret; - } + *val = readl(base + off); +} - return 0; +/** + * pmc_write() - write content of val at address base + off + * + * @base: base address + * @off: offset to write to + * @val: content to be written at base + off + * + * @return: void + */ +void pmc_write(void __iomem *base, unsigned int off, unsigned int val) +{ + writel(val, base + off); } -int at91_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args) +/** + * pmc_update_bits() - update a set of bits at address base + off + * + * @base: base address + * @off: offset to be updated + * @mask: mask of bits to be updated + * @bits: the new value to be updated + * + * @return: void + */ +void pmc_update_bits(void __iomem *base, unsigned int off, + unsigned int mask, unsigned int bits) { - int periph; + unsigned int tmp; - if (args->args_count) { - debug("Invalid args_count: %d\n", args->args_count); - return -EINVAL; - } + tmp = readl(base + off); + tmp &= ~mask; + writel(tmp | (bits & mask), base + off); +} - periph = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(clk->dev), "reg", - -1); - if (periph < 0) +/** + * at91_clk_mux_val_to_index() - get parent index in mux table + * + * @table: clock mux table + * @num_parents: clock number of parents + * @val: clock id who's mux index should be retrieved + * + * @return: clock index in mux table or a negative error number in case of + * failure + */ +int at91_clk_mux_val_to_index(const u32 *table, u32 num_parents, u32 val) +{ + int i; + + if (!table || !num_parents) return -EINVAL; - clk->id = periph; + for (i = 0; i < num_parents; i++) { + if (table[i] == val) + return i; + } - return 0; + return -EINVAL; } -int at91_clk_probe(struct udevice *dev) +/** + * at91_clk_mux_index_to_val() - get parent ID corresponding to an entry in + * clock's mux table + * + * @table: clock's mux table + * @num_parents: clock's number of parents + * @index: index in mux table which clock's ID should be retrieved + * + * @return: clock ID or a negative error number in case of failure + */ +int at91_clk_mux_index_to_val(const u32 *table, u32 num_parents, u32 index) { - struct udevice *dev_periph_container, *dev_pmc; - struct pmc_platdata *plat = dev_get_platdata(dev); - - dev_periph_container = dev_get_parent(dev); - dev_pmc = dev_get_parent(dev_periph_container); - - plat->reg_base = dev_read_addr_ptr(dev_pmc); + if (!table || !num_parents || index < 0 || index > num_parents) + return -EINVAL; - return 0; + return table[index]; } diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 517ba1d6b4..a6a714fd22 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -7,17 +7,141 @@ #ifndef __AT91_PMC_H__ #define __AT91_PMC_H__ -#include <regmap.h> +#include <linux/bitops.h> +#include <linux/io.h> -struct pmc_platdata { - struct at91_pmc *reg_base; - struct regmap *regmap_sfr; +/* Keep a range of 256 available clocks for every clock type. */ +#define AT91_TO_CLK_ID(_t, _i) (((_t) << 8) | ((_i) & 0xff)) +#define AT91_CLK_ID_TO_DID(_i) ((_i) & 0xff) + +struct clk_range { + unsigned long min; + unsigned long max; +}; + +struct clk_master_layout { + u32 offset; + u32 mask; + u8 pres_shift; }; -int at91_pmc_core_probe(struct udevice *dev); -int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name); +extern const struct clk_master_layout at91rm9200_master_layout; +extern const struct clk_master_layout at91sam9x5_master_layout; + +struct clk_master_characteristics { + struct clk_range output; + u32 divisors[4]; + u8 have_div3_pres; +}; + +struct clk_pll_characteristics { + struct clk_range input; + int num_output; + const struct clk_range *output; + u16 *icpll; + u8 *out; + u8 upll : 1; +}; + +struct clk_pll_layout { + u32 pllr_mask; + u32 mul_mask; + u32 frac_mask; + u32 div_mask; + u32 endiv_mask; + u8 mul_shift; + u8 frac_shift; + u8 div_shift; + u8 endiv_shift; +}; + +struct clk_programmable_layout { + u8 pres_mask; + u8 pres_shift; + u8 css_mask; + u8 have_slck_mck; + u8 is_pres_direct; +}; + +struct clk_pcr_layout { + u32 offset; + u32 cmd; + u32 div_mask; + u32 gckcss_mask; + u32 pid_mask; +}; + +extern const struct clk_programmable_layout at91rm9200_programmable_layout; +extern const struct clk_programmable_layout at91sam9g45_programmable_layout; +extern const struct clk_programmable_layout at91sam9x5_programmable_layout; + +extern const struct clk_ops at91_clk_ops; + +struct clk *at91_clk_main_rc(void __iomem *reg, const char *name, + const char *parent_name); +struct clk *at91_clk_main_osc(void __iomem *reg, const char *name, + const char *parent_name, bool bypass); +struct clk *at91_clk_rm9200_main(void __iomem *reg, const char *name, + const char *parent_name); +struct clk *at91_clk_sam9x5_main(void __iomem *reg, const char *name, + const char * const *parent_names, int num_parents, + const u32 *mux_table, int type); +struct clk * +sam9x60_clk_register_div_pll(void __iomem *base, const char *name, + const char *parent_name, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, bool critical); +struct clk * +sam9x60_clk_register_frac_pll(void __iomem *base, const char *name, + const char *parent_name, u8 id, + const struct clk_pll_characteristics *characteristics, + const struct clk_pll_layout *layout, bool critical); +struct clk * +at91_clk_register_master(void __iomem *base, const char *name, + const char * const *parent_names, int num_parents, + const struct clk_master_layout *layout, + const struct clk_master_characteristics *characteristics, + const u32 *mux_table); +struct clk * +at91_clk_sama7g5_register_master(void __iomem *base, const char *name, + const char * const *parent_names, int num_parents, + const u32 *mux_table, const u32 *clk_mux_table, + bool critical, u8 id); +struct clk * +at91_clk_register_utmi(void __iomem *base, struct udevice *dev, + const char *name, const char *parent_name); +struct clk * +at91_clk_sama7g5_register_utmi(void __iomem *base, const char *name, + const char *parent_name); +struct clk * +at91_clk_register_programmable(void __iomem *base, const char *name, + const char * const *parent_names, u8 num_parents, u8 id, + const struct clk_programmable_layout *layout, + const u32 *clk_mux_table, const u32 *mux_table); +struct clk * +at91_clk_register_system(void __iomem *base, const char *name, + const char *parent_name, u8 id); +struct clk * +at91_clk_register_peripheral(void __iomem *base, const char *name, + const char *parent_name, u32 id); +struct clk * +at91_clk_register_sam9x5_peripheral(void __iomem *base, + const struct clk_pcr_layout *layout, + const char *name, const char *parent_name, + u32 id, const struct clk_range *range); +struct clk * +at91_clk_register_generic(void __iomem *base, + const struct clk_pcr_layout *layout, const char *name, + const char * const *parent_names, + const u32 *clk_mux_table, const u32 *mux_table, + u8 num_parents, u8 id, const struct clk_range *range); + +int at91_clk_mux_val_to_index(const u32 *table, u32 num_parents, u32 val); +int at91_clk_mux_index_to_val(const u32 *table, u32 num_parents, u32 index); -int at91_clk_of_xlate(struct clk *clk, struct ofnode_phandle_args *args); -int at91_clk_probe(struct udevice *dev); +void pmc_read(void __iomem *base, unsigned int off, unsigned int *val); +void pmc_write(void __iomem *base, unsigned int off, unsigned int val); +void pmc_update_bits(void __iomem *base, unsigned int off, unsigned int mask, + unsigned int bits); #endif diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c new file mode 100644 index 0000000000..b96937673b --- /dev/null +++ b/drivers/clk/at91/sama7g5.c @@ -0,0 +1,1401 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * SAMA7G5 PMC clock support. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + * Based on drivers/clk/at91/sama7g5.c from Linux. + */ + +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <dt-bindings/clk/at91.h> +#include <linux/clk-provider.h> + +#include "pmc.h" + +/** + * Clock identifiers to be used in conjunction with macros like + * AT91_TO_CLK_ID() + * + * @ID_MD_SLCK: TD slow clock identifier + * @ID_TD_SLCK: MD slow clock identifier + * @ID_MAIN_XTAL: Main Xtal clock identifier + * @ID_MAIN_RC: Main RC clock identifier + * @ID_MAIN_RC_OSC: Main RC Oscillator clock identifier + * @ID_MAIN_OSC: Main Oscillator clock identifier + * @ID_MAINCK: MAINCK clock identifier + * @ID_PLL_CPU_FRAC: CPU PLL fractional clock identifier + * @ID_PLL_CPU_DIV: CPU PLL divider clock identifier + * @ID_PLL_SYS_FRAC: SYS PLL fractional clock identifier + * @ID_PLL_SYS_DIV: SYS PLL divider clock identifier + * @ID_PLL_DDR_FRAC: DDR PLL fractional clock identifier + * @ID_PLL_DDR_DIV: DDR PLL divider clock identifier + * @ID_PLL_IMG_FRAC: IMC PLL fractional clock identifier + * @ID_PLL_IMG_DIV: IMG PLL divider clock identifier + * @ID_PLL_BAUD_FRAC: Baud PLL fractional clock identifier + * @ID_PLL_BAUD_DIV: Baud PLL divider clock identifier + * @ID_PLL_AUDIO_FRAC: Audio PLL fractional clock identifier + * @ID_PLL_AUDIO_DIVPMC: Audio PLL PMC divider clock identifier + * @ID_PLL_AUDIO_DIVIO: Audio PLL IO divider clock identifier + * @ID_PLL_ETH_FRAC: Ethernet PLL fractional clock identifier + * @ID_PLL_ETH_DIV: Ethernet PLL divider clock identifier + + * @ID_MCK0: MCK0 clock identifier + * @ID_MCK1: MCK1 clock identifier + * @ID_MCK2: MCK2 clock identifier + * @ID_MCK3: MCK3 clock identifier + * @ID_MCK4: MCK4 clock identifier + + * @ID_UTMI: UTMI clock identifier + + * @ID_PROG0: Programmable 0 clock identifier + * @ID_PROG1: Programmable 1 clock identifier + * @ID_PROG2: Programmable 2 clock identifier + * @ID_PROG3: Programmable 3 clock identifier + * @ID_PROG4: Programmable 4 clock identifier + * @ID_PROG5: Programmable 5 clock identifier + * @ID_PROG6: Programmable 6 clock identifier + * @ID_PROG7: Programmable 7 clock identifier + + * @ID_PCK0: System clock 0 clock identifier + * @ID_PCK1: System clock 1 clock identifier + * @ID_PCK2: System clock 2 clock identifier + * @ID_PCK3: System clock 3 clock identifier + * @ID_PCK4: System clock 4 clock identifier + * @ID_PCK5: System clock 5 clock identifier + * @ID_PCK6: System clock 6 clock identifier + * @ID_PCK7: System clock 7 clock identifier + */ +enum pmc_clk_ids { + ID_MD_SLCK = 0, + ID_TD_SLCK = 1, + ID_MAIN_XTAL = 2, + ID_MAIN_RC = 3, + ID_MAIN_RC_OSC = 4, + ID_MAIN_OSC = 5, + ID_MAINCK = 6, + + ID_PLL_CPU_FRAC = 7, + ID_PLL_CPU_DIV = 8, + ID_PLL_SYS_FRAC = 9, + ID_PLL_SYS_DIV = 10, + ID_PLL_DDR_FRAC = 11, + ID_PLL_DDR_DIV = 12, + ID_PLL_IMG_FRAC = 13, + ID_PLL_IMG_DIV = 14, + ID_PLL_BAUD_FRAC = 15, + ID_PLL_BAUD_DIV = 16, + ID_PLL_AUDIO_FRAC = 17, + ID_PLL_AUDIO_DIVPMC = 18, + ID_PLL_AUDIO_DIVIO = 19, + ID_PLL_ETH_FRAC = 20, + ID_PLL_ETH_DIV = 21, + + ID_MCK0 = 22, + ID_MCK1 = 23, + ID_MCK2 = 24, + ID_MCK3 = 25, + ID_MCK4 = 26, + + ID_UTMI = 27, + + ID_PROG0 = 28, + ID_PROG1 = 29, + ID_PROG2 = 30, + ID_PROG3 = 31, + ID_PROG4 = 32, + ID_PROG5 = 33, + ID_PROG6 = 34, + ID_PROG7 = 35, + + ID_PCK0 = 36, + ID_PCK1 = 37, + ID_PCK2 = 38, + ID_PCK3 = 39, + ID_PCK4 = 40, + ID_PCK5 = 41, + ID_PCK6 = 42, + ID_PCK7 = 43, + + ID_MAX, +}; + +/** + * PLL type identifiers + * @PLL_TYPE_FRAC: fractional PLL identifier + * @PLL_TYPE_DIV: divider PLL identifier + */ +enum pll_type { + PLL_TYPE_FRAC, + PLL_TYPE_DIV, +}; + +/* Clock names used as parents for multiple clocks. */ +static const char *clk_names[] = { + [ID_MAIN_RC_OSC] = "main_rc_osc", + [ID_MAIN_OSC] = "main_osc", + [ID_MAINCK] = "mainck", + [ID_PLL_CPU_DIV] = "cpupll_divpmcck", + [ID_PLL_SYS_DIV] = "syspll_divpmcck", + [ID_PLL_DDR_DIV] = "ddrpll_divpmcck", + [ID_PLL_IMG_DIV] = "imgpll_divpmcck", + [ID_PLL_BAUD_DIV] = "baudpll_divpmcck", + [ID_PLL_AUDIO_DIVPMC] = "audiopll_divpmcck", + [ID_PLL_AUDIO_DIVIO] = "audiopll_diviock", + [ID_PLL_ETH_DIV] = "ethpll_divpmcck", + [ID_MCK0] = "mck0", +}; + +/* Fractional PLL output range. */ +static const struct clk_range pll_outputs[] = { + { .min = 2343750, .max = 1200000000 }, +}; + +/* PLL characteristics. */ +static const struct clk_pll_characteristics pll_characteristics = { + .input = { .min = 12000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(pll_outputs), + .output = pll_outputs, +}; + +/* Layout for fractional PLLs. */ +static const struct clk_pll_layout pll_layout_frac = { + .mul_mask = GENMASK(31, 24), + .frac_mask = GENMASK(21, 0), + .mul_shift = 24, + .frac_shift = 0, +}; + +/* Layout for DIVPMC dividers. */ +static const struct clk_pll_layout pll_layout_divpmc = { + .div_mask = GENMASK(7, 0), + .endiv_mask = BIT(29), + .div_shift = 0, + .endiv_shift = 29, +}; + +/* Layout for DIVIO dividers. */ +static const struct clk_pll_layout pll_layout_divio = { + .div_mask = GENMASK(19, 12), + .endiv_mask = BIT(30), + .div_shift = 12, + .endiv_shift = 30, +}; + +/* MCK0 characteristics. */ +static const struct clk_master_characteristics mck0_characteristics = { + .output = { .min = 140000000, .max = 200000000 }, + .divisors = { 1, 2, 4, 3 }, + .have_div3_pres = 1, +}; + +/* MCK0 layout. */ +static const struct clk_master_layout mck0_layout = { + .mask = 0x373, + .pres_shift = 4, + .offset = 0x28, +}; + +/* Programmable clock layout. */ +static const struct clk_programmable_layout programmable_layout = { + .pres_mask = 0xff, + .pres_shift = 8, + .css_mask = 0x1f, + .have_slck_mck = 0, + .is_pres_direct = 1, +}; + +/* Peripheral clock layout. */ +static const struct clk_pcr_layout sama7g5_pcr_layout = { + .offset = 0x88, + .cmd = BIT(31), + .gckcss_mask = GENMASK(12, 8), + .pid_mask = GENMASK(6, 0), + .div_mask = GENMASK(15, 14), +}; + +/** + * PLL clocks description + * @n: clock name + * @p: clock parent + * @l: clock layout + * @t: clock type + * @c: true if clock is critical and cannot be disabled + * @id: clock id corresponding to PLL driver + * @cid: clock id corresponding to clock subsystem + */ +static const struct { + const char *n; + const char *p; + const struct clk_pll_layout *l; + u8 t; + u8 c; + u8 id; + u8 cid; +} sama7g5_plls[] = { + { + .n = "cpupll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .c = 1, + .id = 0, + .cid = ID_PLL_CPU_FRAC, + }, + + { + .n = "cpupll_divpmcck", + .p = "cpupll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .c = 1, + .id = 0, + .cid = ID_PLL_CPU_DIV, + }, + + { + .n = "syspll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .c = 1, + .id = 1, + .cid = ID_PLL_SYS_FRAC, + }, + + { + .n = "syspll_divpmcck", + .p = "syspll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .c = 1, + .id = 1, + .cid = ID_PLL_SYS_DIV, + }, + + { + .n = "ddrpll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .c = 1, + .id = 2, + .cid = ID_PLL_DDR_FRAC, + }, + + { + .n = "ddrpll_divpmcck", + .p = "ddrpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .c = 1, + .id = 2, + .cid = ID_PLL_DDR_DIV, + }, + + { + .n = "imgpll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 3, + .cid = ID_PLL_IMG_FRAC, + }, + + { + .n = "imgpll_divpmcck", + .p = "imgpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 3, + .cid = ID_PLL_IMG_DIV + }, + + { + .n = "baudpll_fracck", + .p = "mainck", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 4, + .cid = ID_PLL_BAUD_FRAC, + }, + + { + .n = "baudpll_divpmcck", + .p = "baudpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 4, + .cid = ID_PLL_BAUD_DIV, + }, + + { + .n = "audiopll_fracck", + .p = "main_osc", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 5, + .cid = ID_PLL_AUDIO_FRAC, + }, + + { + .n = "audiopll_divpmcck", + .p = "audiopll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 5, + .cid = ID_PLL_AUDIO_DIVPMC, + }, + + { + .n = "audiopll_diviock", + .p = "audiopll_fracck", + .l = &pll_layout_divio, + .t = PLL_TYPE_DIV, + .id = 5, + .cid = ID_PLL_AUDIO_DIVIO, + }, + + { + .n = "ethpll_fracck", + .p = "main_osc", + .l = &pll_layout_frac, + .t = PLL_TYPE_FRAC, + .id = 6, + .cid = ID_PLL_ETH_FRAC, + }, + + { + .n = "ethpll_divpmcck", + .p = "ethpll_fracck", + .l = &pll_layout_divpmc, + .t = PLL_TYPE_DIV, + .id = 6, + .cid = ID_PLL_ETH_DIV, + }, +}; + +/** + * Master clock (MCK[1..4]) description + * @n: clock name + * @ep: extra parents names array + * @ep_chg_chg_id: index in parents array that specifies the changeable + * parent + * @ep_count: extra parents count + * @ep_mux_table: mux table for extra parents + * @ep_clk_mux_table: mux table to deal with subsystem clock ids + * @id: clock id corresponding to MCK driver + * @cid: clock id corresponding to clock subsystem + * @c: true if clock is critical and cannot be disabled + */ +static const struct { + const char *n; + const char *ep[4]; + u8 ep_count; + u8 ep_mux_table[4]; + u8 ep_clk_mux_table[4]; + u8 id; + u8 cid; + u8 c; +} sama7g5_mckx[] = { + { + .n = "mck1", + .id = 1, + .cid = ID_MCK1, + .ep = { "syspll_divpmcck", }, + .ep_mux_table = { 5, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, }, + .ep_count = 1, + .c = 1, + }, + + { + .n = "mck2", + .id = 2, + .cid = ID_MCK2, + .ep = { "ddrpll_divpmcck", }, + .ep_mux_table = { 6, }, + .ep_clk_mux_table = { ID_PLL_DDR_DIV, }, + .ep_count = 1, + .c = 1, + }, + + { + .n = "mck3", + .id = 3, + .cid = ID_MCK3, + .ep = { "syspll_divpmcck", "ddrpll_divpmcck", "imgpll_divpmcck", }, + .ep_mux_table = { 5, 6, 7, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_DDR_DIV, ID_PLL_IMG_DIV, }, + .ep_count = 3, + }, + + { + .n = "mck4", + .id = 4, + .cid = ID_MCK4, + .ep = { "syspll_divpmcck", }, + .ep_mux_table = { 5, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, }, + .ep_count = 1, + .c = 1, + }, +}; + +/** + * Programmable clock description + * @n: clock name + * @cid: clock id corresponding to clock subsystem + */ +static const struct { + const char *n; + u8 cid; +} sama7g5_prog[] = { + { .n = "prog0", .cid = ID_PROG0, }, + { .n = "prog1", .cid = ID_PROG1, }, + { .n = "prog2", .cid = ID_PROG2, }, + { .n = "prog3", .cid = ID_PROG3, }, + { .n = "prog4", .cid = ID_PROG4, }, + { .n = "prog5", .cid = ID_PROG5, }, + { .n = "prog6", .cid = ID_PROG6, }, + { .n = "prog7", .cid = ID_PROG7, }, +}; + +/* Mux table for programmable clocks. */ +static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, }; + +/** + * System clock description + * @n: clock name + * @p: parent clock name + * @id: clock id corresponding to system clock driver + * @cid: clock id corresponding to clock subsystem + */ +static const struct { + const char *n; + const char *p; + u8 id; + u8 cid; +} sama7g5_systemck[] = { + { .n = "pck0", .p = "prog0", .id = 8, .cid = ID_PCK0, }, + { .n = "pck1", .p = "prog1", .id = 9, .cid = ID_PCK1, }, + { .n = "pck2", .p = "prog2", .id = 10, .cid = ID_PCK2, }, + { .n = "pck3", .p = "prog3", .id = 11, .cid = ID_PCK3, }, + { .n = "pck4", .p = "prog4", .id = 12, .cid = ID_PCK4, }, + { .n = "pck5", .p = "prog5", .id = 13, .cid = ID_PCK5, }, + { .n = "pck6", .p = "prog6", .id = 14, .cid = ID_PCK6, }, + { .n = "pck7", .p = "prog7", .id = 15, .cid = ID_PCK7, }, +}; + +/** + * Peripheral clock description + * @n: clock name + * @p: clock parent name + * @r: clock range values + * @id: clock id + */ +static const struct { + const char *n; + const char *p; + struct clk_range r; + u8 id; +} sama7g5_periphck[] = { + { .n = "pioA_clk", .p = "mck0", .id = 11, }, + { .n = "sfr_clk", .p = "mck1", .id = 19, }, + { .n = "hsmc_clk", .p = "mck1", .id = 21, }, + { .n = "xdmac0_clk", .p = "mck1", .id = 22, }, + { .n = "xdmac1_clk", .p = "mck1", .id = 23, }, + { .n = "xdmac2_clk", .p = "mck1", .id = 24, }, + { .n = "acc_clk", .p = "mck1", .id = 25, }, + { .n = "aes_clk", .p = "mck1", .id = 27, }, + { .n = "tzaesbasc_clk", .p = "mck1", .id = 28, }, + { .n = "asrc_clk", .p = "mck1", .id = 30, .r = { .max = 200000000, }, }, + { .n = "cpkcc_clk", .p = "mck0", .id = 32, }, + { .n = "csi_clk", .p = "mck3", .id = 33, .r = { .max = 266000000, }, }, + { .n = "csi2dc_clk", .p = "mck3", .id = 34, .r = { .max = 266000000, }, }, + { .n = "eic_clk", .p = "mck1", .id = 37, }, + { .n = "flex0_clk", .p = "mck1", .id = 38, }, + { .n = "flex1_clk", .p = "mck1", .id = 39, }, + { .n = "flex2_clk", .p = "mck1", .id = 40, }, + { .n = "flex3_clk", .p = "mck1", .id = 41, }, + { .n = "flex4_clk", .p = "mck1", .id = 42, }, + { .n = "flex5_clk", .p = "mck1", .id = 43, }, + { .n = "flex6_clk", .p = "mck1", .id = 44, }, + { .n = "flex7_clk", .p = "mck1", .id = 45, }, + { .n = "flex8_clk", .p = "mck1", .id = 46, }, + { .n = "flex9_clk", .p = "mck1", .id = 47, }, + { .n = "flex10_clk", .p = "mck1", .id = 48, }, + { .n = "flex11_clk", .p = "mck1", .id = 49, }, + { .n = "gmac0_clk", .p = "mck1", .id = 51, }, + { .n = "gmac1_clk", .p = "mck1", .id = 52, }, + { .n = "gmac0_tsu_clk", .p = "mck1", .id = 53, }, + { .n = "gmac1_tsu_clk", .p = "mck1", .id = 54, }, + { .n = "icm_clk", .p = "mck1", .id = 55, }, + { .n = "isc_clk", .p = "mck3", .id = 56, .r = { .max = 266000000, }, }, + { .n = "i2smcc0_clk", .p = "mck1", .id = 57, .r = { .max = 200000000, }, }, + { .n = "i2smcc1_clk", .p = "mck1", .id = 58, .r = { .max = 200000000, }, }, + { .n = "matrix_clk", .p = "mck1", .id = 60, }, + { .n = "mcan0_clk", .p = "mck1", .id = 61, .r = { .max = 200000000, }, }, + { .n = "mcan1_clk", .p = "mck1", .id = 62, .r = { .max = 200000000, }, }, + { .n = "mcan2_clk", .p = "mck1", .id = 63, .r = { .max = 200000000, }, }, + { .n = "mcan3_clk", .p = "mck1", .id = 64, .r = { .max = 200000000, }, }, + { .n = "mcan4_clk", .p = "mck1", .id = 65, .r = { .max = 200000000, }, }, + { .n = "mcan5_clk", .p = "mck1", .id = 66, .r = { .max = 200000000, }, }, + { .n = "pdmc0_clk", .p = "mck1", .id = 68, .r = { .max = 200000000, }, }, + { .n = "pdmc1_clk", .p = "mck1", .id = 69, .r = { .max = 200000000, }, }, + { .n = "pit64b0_clk", .p = "mck1", .id = 70, }, + { .n = "pit64b1_clk", .p = "mck1", .id = 71, }, + { .n = "pit64b2_clk", .p = "mck1", .id = 72, }, + { .n = "pit64b3_clk", .p = "mck1", .id = 73, }, + { .n = "pit64b4_clk", .p = "mck1", .id = 74, }, + { .n = "pit64b5_clk", .p = "mck1", .id = 75, }, + { .n = "pwm_clk", .p = "mck1", .id = 77, }, + { .n = "qspi0_clk", .p = "mck1", .id = 78, }, + { .n = "qspi1_clk", .p = "mck1", .id = 79, }, + { .n = "sdmmc0_clk", .p = "mck1", .id = 80, }, + { .n = "sdmmc1_clk", .p = "mck1", .id = 81, }, + { .n = "sdmmc2_clk", .p = "mck1", .id = 82, }, + { .n = "sha_clk", .p = "mck1", .id = 83, }, + { .n = "spdifrx_clk", .p = "mck1", .id = 84, .r = { .max = 200000000, }, }, + { .n = "spdiftx_clk", .p = "mck1", .id = 85, .r = { .max = 200000000, }, }, + { .n = "ssc0_clk", .p = "mck1", .id = 86, .r = { .max = 200000000, }, }, + { .n = "ssc1_clk", .p = "mck1", .id = 87, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch0_clk", .p = "mck1", .id = 88, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch1_clk", .p = "mck1", .id = 89, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch2_clk", .p = "mck1", .id = 90, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch0_clk", .p = "mck1", .id = 91, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch1_clk", .p = "mck1", .id = 92, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch2_clk", .p = "mck1", .id = 93, .r = { .max = 200000000, }, }, + { .n = "tcpca_clk", .p = "mck1", .id = 94, }, + { .n = "tcpcb_clk", .p = "mck1", .id = 95, }, + { .n = "tdes_clk", .p = "mck1", .id = 96, }, + { .n = "trng_clk", .p = "mck1", .id = 97, }, + { .n = "udphsa_clk", .p = "mck1", .id = 104, }, + { .n = "udphsb_clk", .p = "mck1", .id = 105, }, + { .n = "uhphs_clk", .p = "mck1", .id = 106, }, +}; + +/** + * Generic clock description + * @n: clock name + * @ep: extra parents names + * @ep_mux_table: extra parents mux table + * @ep_clk_mux_table: extra parents clock mux table (for CCF) + * @r: clock output range + * @ep_count: extra parents count + * @id: clock id + */ +static const struct { + const char *n; + const char *ep[8]; + const char ep_mux_table[8]; + const char ep_clk_mux_table[8]; + struct clk_range r; + u8 ep_count; + u8 id; +} sama7g5_gck[] = { + { + .n = "adc_gclk", + .id = 26, + .r = { .max = 100000000, }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 7, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 3, + }, + + { + .n = "asrc_gclk", + .id = 30, + .r = { .max = 200000000 }, + .ep = { "audiopll_divpmcck", }, + .ep_mux_table = { 9, }, + .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 1, + }, + + { + .n = "csi_gclk", + .id = 33, + .r = { .max = 27000000 }, + .ep = { "ddrpll_divpmcck", "imgpll_divpmcck", }, + .ep_clk_mux_table = { ID_PLL_DDR_DIV, ID_PLL_IMG_DIV, }, + .ep_mux_table = { 6, 7, }, + .ep_count = 2, + }, + + { + .n = "flex0_gclk", + .id = 38, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex1_gclk", + .id = 39, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex2_gclk", + .id = 40, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex3_gclk", + .id = 41, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex4_gclk", + .id = 42, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex5_gclk", + .id = 43, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex6_gclk", + .id = 44, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex7_gclk", + .id = 45, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex8_gclk", + .id = 46, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex9_gclk", + .id = 47, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex10_gclk", + .id = 48, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "flex11_gclk", + .id = 49, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "gmac0_gclk", + .id = 51, + .r = { .max = 125000000 }, + .ep = { "ethpll_divpmcck", }, + .ep_clk_mux_table = { ID_PLL_ETH_DIV, }, + .ep_mux_table = { 10, }, + .ep_count = 1, + }, + + { + .n = "gmac1_gclk", + .id = 52, + .r = { .max = 50000000 }, + .ep = { "ethpll_divpmcck", }, + .ep_mux_table = { 10, }, + .ep_clk_mux_table = { ID_PLL_ETH_DIV, }, + .ep_count = 1, + }, + + { + .n = "gmac0_tsu_gclk", + .id = 53, + .r = { .max = 300000000 }, + .ep = { "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 9, 10, }, + .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, + .ep_count = 2, + }, + + { + .n = "gmac1_tsu_gclk", + .id = 54, + .r = { .max = 300000000 }, + .ep = { "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 9, 10, }, + .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, + .ep_count = 2, + }, + + { + .n = "i2smcc0_gclk", + .id = 57, + .r = { .max = 100000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "i2smcc1_gclk", + .id = 58, + .r = { .max = 100000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "mcan0_gclk", + .id = 61, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan1_gclk", + .id = 62, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan2_gclk", + .id = 63, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan3_gclk", + .id = 64, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan4_gclk", + .id = 65, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "mcan5_gclk", + .id = 66, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "pdmc0_gclk", + .id = 68, + .r = { .max = 50000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "pdmc1_gclk", + .id = 69, + .r = { .max = 50000000, }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "pit64b0_gclk", + .id = 70, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b1_gclk", + .id = 71, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b2_gclk", + .id = 72, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b3_gclk", + .id = 73, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b4_gclk", + .id = 74, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "pit64b5_gclk", + .id = 75, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "qspi0_gclk", + .id = 78, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 2, + }, + + { + .n = "qspi1_gclk", + .id = 79, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "sdmmc0_gclk", + .id = 80, + .r = { .max = 208000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "sdmmc1_gclk", + .id = 81, + .r = { .max = 208000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "sdmmc2_gclk", + .id = 82, + .r = { .max = 208000000 }, + .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, + .ep_mux_table = { 5, 8, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, + .ep_count = 2, + }, + + { + .n = "spdifrx_gclk", + .id = 84, + .r = { .max = 150000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "spdiftx_gclk", + .id = 85, + .r = { .max = 25000000 }, + .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, + .ep_mux_table = { 5, 9, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, + .ep_count = 2, + }, + + { + .n = "tcb0_ch0_gclk", + .id = 88, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, + + { + .n = "tcb1_ch0_gclk", + .id = 91, + .r = { .max = 200000000 }, + .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", + "audiopll_divpmcck", "ethpll_divpmcck", }, + .ep_mux_table = { 5, 7, 8, 9, 10, }, + .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, + ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, + ID_PLL_ETH_DIV, }, + .ep_count = 5, + }, +}; + +/** + * Clock setup description + * @cid: clock id corresponding to clock subsystem + * @pid: parent clock id corresponding to clock subsystem + * @rate: clock rate + * @prate: parent rate + */ +static const struct pmc_clk_setup { + unsigned int cid; + unsigned int pid; + unsigned long rate; + unsigned long prate; +} sama7g5_clk_setup[] = { + { + .cid = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_FRAC), + .rate = 625000000, + }, + + { + .cid = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_DIV), + .rate = 625000000, + }, +}; + +#define SAMA7G5_MAX_MUX_ALLOCS (64) + +#define prepare_mux_table(_allocs, _index, _dst, _src, _num, _label) \ + do { \ + int _i; \ + if ((_index) >= SAMA7G5_MAX_MUX_ALLOCS) { \ + debug("%s(): AT91: MUX: insufficient space\n", \ + __func__); \ + goto _label; \ + } \ + (_dst) = kzalloc(sizeof(*(_dst)) * (_num), GFP_KERNEL); \ + if (!(_dst)) \ + goto _label; \ + (_allocs)[(_index)++] = (_dst); \ + for (_i = 0; _i < (_num); _i++) \ + (_dst)[_i] = (_src)[_i]; \ + } while (0) + +static int sama7g5_clk_probe(struct udevice *dev) +{ + void __iomem *base = (void *)devfdt_get_addr(dev); + unsigned int *clkmuxallocs[SAMA7G5_MAX_MUX_ALLOCS]; + unsigned int *muxallocs[SAMA7G5_MAX_MUX_ALLOCS]; + const char *p[10]; + unsigned int cm[10], m[10], *tmpclkmux, *tmpmux; + struct clk clk, *c, *parent; + bool main_osc_bypass; + int ret, muxallocindex = 0, clkmuxallocindex = 0, i, j; + + if (IS_ERR(base)) + return PTR_ERR(base); + + memset(muxallocs, 0, ARRAY_SIZE(muxallocs)); + memset(clkmuxallocs, 0, ARRAY_SIZE(clkmuxallocs)); + + ret = clk_get_by_index(dev, 0, &clk); + if (ret) + return ret; + ret = clk_get_by_id(clk.id, &c); + if (ret) + return ret; + clk_names[ID_TD_SLCK] = kmemdup(clk_hw_get_name(c), + strlen(clk_hw_get_name(c)) + 1, GFP_KERNEL); + if (!clk_names[ID_TD_SLCK]) + return -ENOMEM; + + ret = clk_get_by_index(dev, 1, &clk); + if (ret) + return ret; + ret = clk_get_by_id(clk.id, &c); + if (ret) + return ret; + clk_names[ID_MD_SLCK] = kmemdup(clk_hw_get_name(c), + strlen(clk_hw_get_name(c)) + 1, GFP_KERNEL); + if (!clk_names[ID_MD_SLCK]) + return -ENOMEM; + + ret = clk_get_by_index(dev, 2, &clk); + if (ret) + return ret; + clk_names[ID_MAIN_XTAL] = kmemdup(clk_hw_get_name(&clk), + strlen(clk_hw_get_name(&clk)) + 1, GFP_KERNEL); + if (!clk_names[ID_MAIN_XTAL]) + return -ENOMEM; + + ret = clk_get_by_index(dev, 3, &clk); + if (ret) + goto fail; + clk_names[ID_MAIN_RC] = kmemdup(clk_hw_get_name(&clk), + strlen(clk_hw_get_name(&clk)) + 1, GFP_KERNEL); + if (ret) + goto fail; + + main_osc_bypass = dev_read_bool(dev, "atmel,main-osc-bypass"); + + /* Register main rc oscillator. */ + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC), + at91_clk_main_rc(base, clk_names[ID_MAIN_RC_OSC], + clk_names[ID_MAIN_RC])); + + /* Register main oscillator. */ + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC), + at91_clk_main_osc(base, clk_names[ID_MAIN_OSC], + clk_names[ID_MAIN_XTAL], main_osc_bypass)); + + /* Register mainck. */ + p[0] = clk_names[ID_MAIN_RC_OSC]; + p[1] = clk_names[ID_MAIN_OSC]; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC); + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2, + fail); + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK), + at91_clk_sam9x5_main(base, clk_names[ID_MAINCK], p, + 2, tmpclkmux, PMC_TYPE_CORE)); + + /* Register PLL fracs clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_plls); i++) { + if (sama7g5_plls[i].t != PLL_TYPE_FRAC) + continue; + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_plls[i].cid), + sam9x60_clk_register_frac_pll(base, sama7g5_plls[i].n, + sama7g5_plls[i].p, sama7g5_plls[i].id, + &pll_characteristics, sama7g5_plls[i].l, + sama7g5_plls[i].c)); + } + + /* Register PLL div clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_plls); i++) { + if (sama7g5_plls[i].t != PLL_TYPE_DIV) + continue; + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_plls[i].cid), + sam9x60_clk_register_div_pll(base, sama7g5_plls[i].n, + sama7g5_plls[i].p, sama7g5_plls[i].id, + &pll_characteristics, sama7g5_plls[i].l, + sama7g5_plls[i].c)); + } + + /* Register MCK0 clock. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_MAINCK]; + p[2] = clk_names[ID_PLL_CPU_DIV]; + p[3] = clk_names[ID_PLL_SYS_DIV]; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_CPU_DIV); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_SYS_DIV); + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2, + fail); + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0), + at91_clk_register_master(base, clk_names[ID_MCK0], p, + 4, &mck0_layout, &mck0_characteristics, tmpclkmux)); + + /* Register MCK1-4 clocks. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_TD_SLCK]; + p[2] = clk_names[ID_MAINCK]; + p[3] = clk_names[ID_MCK0]; + m[0] = 0; + m[1] = 1; + m[2] = 2; + m[3] = 3; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0); + for (i = 0; i < ARRAY_SIZE(sama7g5_mckx); i++) { + for (j = 0; j < sama7g5_mckx[i].ep_count; j++) { + p[4 + j] = sama7g5_mckx[i].ep[j]; + m[4 + j] = sama7g5_mckx[i].ep_mux_table[j]; + cm[4 + j] = AT91_TO_CLK_ID(PMC_TYPE_CORE, + sama7g5_mckx[i].ep_clk_mux_table[j]); + } + + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, + 4 + sama7g5_mckx[i].ep_count, fail); + prepare_mux_table(muxallocs, muxallocindex, tmpmux, m, + 4 + sama7g5_mckx[i].ep_count, fail); + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_mckx[i].cid), + at91_clk_sama7g5_register_master(base, + sama7g5_mckx[i].n, p, 4 + sama7g5_mckx[i].ep_count, + tmpmux, tmpclkmux, sama7g5_mckx[i].c, + sama7g5_mckx[i].id)); + } + + /* Register UTMI clock. */ + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_UTMI), + at91_clk_sama7g5_register_utmi(base, "utmick", + clk_names[ID_MAIN_XTAL])); + + /* Register programmable clocks. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_TD_SLCK]; + p[2] = clk_names[ID_MAINCK]; + p[3] = clk_names[ID_MCK0]; + p[4] = clk_names[ID_PLL_SYS_DIV]; + p[5] = clk_names[ID_PLL_DDR_DIV]; + p[6] = clk_names[ID_PLL_IMG_DIV]; + p[7] = clk_names[ID_PLL_BAUD_DIV]; + p[8] = clk_names[ID_PLL_AUDIO_DIVPMC]; + p[9] = clk_names[ID_PLL_ETH_DIV]; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0); + cm[4] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_SYS_DIV); + cm[5] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_DDR_DIV); + cm[6] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_IMG_DIV); + cm[7] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_BAUD_DIV); + cm[8] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_AUDIO_DIVPMC); + cm[9] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_DIV); + for (i = 0; i < ARRAY_SIZE(sama7g5_prog); i++) { + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, + 10, fail); + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_prog[i].cid), + at91_clk_register_programmable(base, sama7g5_prog[i].n, + p, 10, i, &programmable_layout, tmpclkmux, + sama7g5_prog_mux_table)); + } + + /* System clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) { + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_SYSTEM, sama7g5_systemck[i].cid), + at91_clk_register_system(base, sama7g5_systemck[i].n, + sama7g5_systemck[i].p, sama7g5_systemck[i].id)); + } + + /* Peripheral clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) { + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_PERIPHERAL, + sama7g5_periphck[i].id), + at91_clk_register_sam9x5_peripheral(base, + &sama7g5_pcr_layout, sama7g5_periphck[i].n, + sama7g5_periphck[i].p, sama7g5_periphck[i].id, + &sama7g5_periphck[i].r)); + } + + /* Generic clocks. */ + p[0] = clk_names[ID_MD_SLCK]; + p[1] = clk_names[ID_TD_SLCK]; + p[2] = clk_names[ID_MAINCK]; + p[3] = clk_names[ID_MCK0]; + m[0] = 0; + m[1] = 1; + m[2] = 2; + m[3] = 3; + cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); + cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); + cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); + cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0); + for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) { + for (j = 0; j < sama7g5_gck[i].ep_count; j++) { + p[4 + j] = sama7g5_gck[i].ep[j]; + m[4 + j] = sama7g5_gck[i].ep_mux_table[j]; + cm[4 + j] = AT91_TO_CLK_ID(PMC_TYPE_CORE, + sama7g5_gck[i].ep_clk_mux_table[j]); + } + + prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, + 4 + sama7g5_gck[i].ep_count, fail); + prepare_mux_table(muxallocs, muxallocindex, tmpmux, m, + 4 + sama7g5_gck[i].ep_count, fail); + + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_GCK, sama7g5_gck[i].id), + at91_clk_register_generic(base, &sama7g5_pcr_layout, + sama7g5_gck[i].n, p, tmpclkmux, tmpmux, + 4 + sama7g5_gck[i].ep_count, sama7g5_gck[i].id, + &sama7g5_gck[i].r)); + } + + /* Setup clocks. */ + for (i = 0; i < ARRAY_SIZE(sama7g5_clk_setup); i++) { + ret = clk_get_by_id(sama7g5_clk_setup[i].cid, &c); + if (ret) + goto fail; + + if (sama7g5_clk_setup[i].pid) { + ret = clk_get_by_id(sama7g5_clk_setup[i].pid, &parent); + if (ret) + goto fail; + + ret = clk_set_parent(c, parent); + if (ret) + goto fail; + + if (sama7g5_clk_setup[i].prate) { + ret = clk_set_rate(parent, + sama7g5_clk_setup[i].prate); + if (ret < 0) + goto fail; + } + } + + if (sama7g5_clk_setup[i].rate) { + ret = clk_set_rate(c, sama7g5_clk_setup[i].rate); + if (ret < 0) + goto fail; + } + } + + return 0; + +fail: + for (i = 0; i < ARRAY_SIZE(muxallocs); i++) + kfree(muxallocs[i]); + + for (i = 0; i < ARRAY_SIZE(clkmuxallocs); i++) + kfree(clkmuxallocs[i]); + + return -ENOMEM; +} + +static const struct udevice_id sama7g5_clk_ids[] = { + { .compatible = "microchip,sama7g5-pmc" }, + { /* Sentinel. */ }, +}; + +U_BOOT_DRIVER(at91_sama7g5_pmc) = { + .name = "at91-sama7g5-pmc", + .id = UCLASS_CLK, + .of_match = sama7g5_clk_ids, + .ops = &at91_clk_ops, + .probe = sama7g5_clk_probe, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c index a879b008ff..dd62dc5510 100644 --- a/drivers/clk/at91/sckc.c +++ b/drivers/clk/at91/sckc.c @@ -1,19 +1,172 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright (C) 2016 Atmel Corporation - * Wenyou.Yang <wenyou.yang@atmel.com> + * Slow clock support for AT91 architectures. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> */ #include <common.h> +#include <clk-uclass.h> #include <dm.h> +#include <dt-bindings/clk/at91.h> +#include <linux/clk-provider.h> -static const struct udevice_id at91_sckc_match[] = { - { .compatible = "atmel,at91sam9x5-sckc" }, - {} +#include "pmc.h" + +#define UBOOT_DM_CLK_AT91_SAM9X60_TD_SLCK "at91-sam9x60-td-slck" +#define UBOOT_DM_CLK_AT91_SCKC "at91-sckc" + +#define AT91_OSC_SEL BIT(24) +#define AT91_OSC_SEL_SHIFT (24) + +struct sam9x60_sckc { + void __iomem *reg; + const char **parent_names; + unsigned int num_parents; + struct clk clk; +}; + +#define to_sam9x60_sckc(c) container_of(c, struct sam9x60_sckc, clk) + +static int sam9x60_sckc_of_xlate(struct clk *clk, + struct ofnode_phandle_args *args) +{ + if (args->args_count != 1) { + debug("AT91: SCKC: Invalid args_count: %d\n", args->args_count); + return -EINVAL; + } + + clk->id = AT91_TO_CLK_ID(PMC_TYPE_SLOW, args->args[0]); + + return 0; +} + +static const struct clk_ops sam9x60_sckc_ops = { + .of_xlate = sam9x60_sckc_of_xlate, + .get_rate = clk_generic_get_rate, +}; + +static int sam9x60_td_slck_set_parent(struct clk *clk, struct clk *parent) +{ + struct sam9x60_sckc *sckc = to_sam9x60_sckc(clk); + u32 i; + + for (i = 0; i < sckc->num_parents; i++) { + if (!strcmp(parent->dev->name, sckc->parent_names[i])) + break; + } + if (i == sckc->num_parents) + return -EINVAL; + + pmc_update_bits(sckc->reg, 0, AT91_OSC_SEL, (i << AT91_OSC_SEL_SHIFT)); + + return 0; +} + +static const struct clk_ops sam9x60_td_slck_ops = { + .get_rate = clk_generic_get_rate, + .set_parent = sam9x60_td_slck_set_parent, +}; + +static struct clk *at91_sam9x60_clk_register_td_slck(struct sam9x60_sckc *sckc, + const char *name, const char * const *parent_names, + int num_parents) +{ + struct clk *clk; + int ret = -ENOMEM; + u32 val, i; + + if (!sckc || !name || !parent_names || num_parents != 2) + return ERR_PTR(-EINVAL); + + sckc->parent_names = kzalloc(sizeof(*sckc->parent_names) * num_parents, + GFP_KERNEL); + if (!sckc->parent_names) + return ERR_PTR(ret); + + for (i = 0; i < num_parents; i++) { + sckc->parent_names[i] = kmemdup(parent_names[i], + strlen(parent_names[i]) + 1, GFP_KERNEL); + if (!sckc->parent_names[i]) + goto free; + } + sckc->num_parents = num_parents; + + pmc_read(sckc->reg, 0, &val); + val = (val & AT91_OSC_SEL) >> AT91_OSC_SEL_SHIFT; + + clk = &sckc->clk; + ret = clk_register(clk, UBOOT_DM_CLK_AT91_SAM9X60_TD_SLCK, name, + parent_names[val]); + if (ret) + goto free; + + return clk; + +free: + for (; i >= 0; i--) + kfree(sckc->parent_names[i]); + kfree(sckc->parent_names); + + return ERR_PTR(ret); +} + +U_BOOT_DRIVER(at91_sam9x60_td_slck) = { + .name = UBOOT_DM_CLK_AT91_SAM9X60_TD_SLCK, + .id = UCLASS_CLK, + .ops = &sam9x60_td_slck_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +static int at91_sam9x60_sckc_probe(struct udevice *dev) +{ + struct sam9x60_sckc *sckc = dev_get_priv(dev); + void __iomem *base = (void *)devfdt_get_addr(dev); + const char *slow_rc_osc, *slow_osc; + const char *parents[2]; + struct clk *clk, c; + int ret; + + ret = clk_get_by_index(dev, 0, &c); + if (ret) + return ret; + slow_rc_osc = clk_hw_get_name(&c); + + ret = clk_get_by_index(dev, 1, &c); + if (ret) + return ret; + slow_osc = clk_hw_get_name(&c); + + clk = clk_register_fixed_factor(NULL, "md_slck", slow_rc_osc, 0, 1, 1); + if (IS_ERR(clk)) + return PTR_ERR(clk); + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_SLOW, 0), clk); + + parents[0] = slow_rc_osc; + parents[1] = slow_osc; + sckc[1].reg = base; + clk = at91_sam9x60_clk_register_td_slck(&sckc[1], "td_slck", + parents, 2); + if (IS_ERR(clk)) + return PTR_ERR(clk); + clk_dm(AT91_TO_CLK_ID(PMC_TYPE_SLOW, 1), clk); + + return 0; +} + +static const struct udevice_id sam9x60_sckc_ids[] = { + { .compatible = "microchip,sam9x60-sckc" }, + { /* Sentinel. */ }, }; U_BOOT_DRIVER(at91_sckc) = { - .name = "at91-sckc", - .id = UCLASS_SIMPLE_BUS, - .of_match = at91_sckc_match, + .name = UBOOT_DM_CLK_AT91_SCKC, + .id = UCLASS_CLK, + .of_match = sam9x60_sckc_ids, + .priv_auto_alloc_size = sizeof(struct sam9x60_sckc) * 2, + .ops = &sam9x60_sckc_ops, + .probe = at91_sam9x60_sckc_probe, + .flags = DM_FLAG_PRE_RELOC, }; diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 934cd5787a..4076535271 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -14,6 +14,7 @@ #include <errno.h> #include <log.h> #include <malloc.h> +#include <dm/device-internal.h> #include <dm/devres.h> #include <dm/read.h> #include <linux/bug.h> @@ -187,9 +188,26 @@ bulk_get_err: return ret; } +static struct clk *clk_set_default_get_by_id(struct clk *clk) +{ + struct clk *c = clk; + + if (CONFIG_IS_ENABLED(CLK_CCF)) { + int ret = clk_get_by_id(clk->id, &c); + + if (ret) { + debug("%s(): could not get parent clock pointer, id %lu\n", + __func__, clk->id); + ERR_PTR(ret); + } + } + + return c; +} + static int clk_set_default_parents(struct udevice *dev, int stage) { - struct clk clk, parent_clk; + struct clk clk, parent_clk, *c, *p; int index; int num_parents; int ret; @@ -215,6 +233,10 @@ static int clk_set_default_parents(struct udevice *dev, int stage) return ret; } + p = clk_set_default_get_by_id(&parent_clk); + if (IS_ERR(p)) + return PTR_ERR(p); + ret = clk_get_by_indexed_prop(dev, "assigned-clocks", index, &clk); if (ret) { @@ -234,7 +256,11 @@ static int clk_set_default_parents(struct udevice *dev, int stage) /* do not setup twice the parent clocks */ continue; - ret = clk_set_parent(&clk, &parent_clk); + c = clk_set_default_get_by_id(&clk); + if (IS_ERR(c)) + return PTR_ERR(c); + + ret = clk_set_parent(c, p); /* * Not all drivers may support clock-reparenting (as of now). * Ignore errors due to this. @@ -254,7 +280,7 @@ static int clk_set_default_parents(struct udevice *dev, int stage) static int clk_set_default_rates(struct udevice *dev, int stage) { - struct clk clk; + struct clk clk, *c; int index; int num_rates; int size; @@ -298,7 +324,11 @@ static int clk_set_default_rates(struct udevice *dev, int stage) /* do not setup twice the parent clocks */ continue; - ret = clk_set_rate(&clk, rates[index]); + c = clk_set_default_get_by_id(&clk); + if (IS_ERR(c)) + return PTR_ERR(c); + + ret = clk_set_rate(c, rates[index]); if (ret < 0) { debug("%s: failed to set rate on clock index %d (%ld) for %s\n", @@ -512,6 +542,7 @@ ulong clk_set_rate(struct clk *clk, ulong rate) int clk_set_parent(struct clk *clk, struct clk *parent) { const struct clk_ops *ops; + int ret; debug("%s(clk=%p, parent=%p)\n", __func__, clk, parent); if (!clk_valid(clk)) @@ -521,7 +552,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent) if (!ops->set_parent) return -ENOSYS; - return ops->set_parent(clk, parent); + ret = ops->set_parent(clk, parent); + if (ret) + return ret; + + if (CONFIG_IS_ENABLED(CLK_CCF)) + ret = device_reparent(clk->dev, parent->dev); + + return ret; } int clk_enable(struct clk *clk) @@ -597,6 +635,9 @@ int clk_disable(struct clk *clk) if (CONFIG_IS_ENABLED(CLK_CCF)) { if (clk->id && !clk_get_by_id(clk->id, &clkp)) { + if (clkp->flags & CLK_IS_CRITICAL) + return 0; + if (clkp->enable_count == 0) { printf("clk %s already disabled\n", clkp->dev->name); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 786f4e887e..319808d433 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -57,6 +57,9 @@ ulong clk_generic_get_rate(struct clk *clk) const char *clk_hw_get_name(const struct clk *hw) { + assert(hw); + assert(hw->dev); + return hw->dev->name; } diff --git a/drivers/clk/clk_fixed_rate.c b/drivers/clk/clk_fixed_rate.c index 2c20eddb0b..55e1f8caa5 100644 --- a/drivers/clk/clk_fixed_rate.c +++ b/drivers/clk/clk_fixed_rate.c @@ -53,4 +53,5 @@ U_BOOT_DRIVER(clk_fixed_rate) = { .ofdata_to_platdata = clk_fixed_rate_ofdata_to_platdata, .platdata_auto_alloc_size = sizeof(struct clk_fixed_rate), .ops = &clk_fixed_rate_ops, + .flags = DM_FLAG_PRE_RELOC, }; diff --git a/drivers/clk/clk_scmi.c b/drivers/clk/clk_scmi.c new file mode 100644 index 0000000000..93a4819501 --- /dev/null +++ b/drivers/clk/clk_scmi.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019-2020 Linaro Limited + */ +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <scmi_agent.h> +#include <scmi_protocols.h> +#include <asm/types.h> + +static int scmi_clk_gate(struct clk *clk, int enable) +{ + struct scmi_clk_state_in in = { + .clock_id = clk->id, + .attributes = enable, + }; + struct scmi_clk_state_out out; + struct scmi_msg msg = SCMI_MSG_IN(SCMI_PROTOCOL_ID_CLOCK, + SCMI_CLOCK_CONFIG_SET, + in, out); + int ret; + + ret = devm_scmi_process_msg(clk->dev->parent, &msg); + if (ret) + return ret; + + return scmi_to_linux_errno(out.status); +} + +static int scmi_clk_enable(struct clk *clk) +{ + return scmi_clk_gate(clk, 1); +} + +static int scmi_clk_disable(struct clk *clk) +{ + return scmi_clk_gate(clk, 0); +} + +static ulong scmi_clk_get_rate(struct clk *clk) +{ + struct scmi_clk_rate_get_in in = { + .clock_id = clk->id, + }; + struct scmi_clk_rate_get_out out; + struct scmi_msg msg = SCMI_MSG_IN(SCMI_PROTOCOL_ID_CLOCK, + SCMI_CLOCK_RATE_GET, + in, out); + int ret; + + ret = devm_scmi_process_msg(clk->dev->parent, &msg); + if (ret < 0) + return ret; + + ret = scmi_to_linux_errno(out.status); + if (ret < 0) + return ret; + + return (ulong)(((u64)out.rate_msb << 32) | out.rate_lsb); +} + +static ulong scmi_clk_set_rate(struct clk *clk, ulong rate) +{ + struct scmi_clk_rate_set_in in = { + .clock_id = clk->id, + .flags = SCMI_CLK_RATE_ROUND_CLOSEST, + .rate_lsb = (u32)rate, + .rate_msb = (u32)((u64)rate >> 32), + }; + struct scmi_clk_rate_set_out out; + struct scmi_msg msg = SCMI_MSG_IN(SCMI_PROTOCOL_ID_CLOCK, + SCMI_CLOCK_RATE_SET, + in, out); + int ret; + + ret = devm_scmi_process_msg(clk->dev->parent, &msg); + if (ret < 0) + return ret; + + ret = scmi_to_linux_errno(out.status); + if (ret < 0) + return ret; + + return scmi_clk_get_rate(clk); +} + +static const struct clk_ops scmi_clk_ops = { + .enable = scmi_clk_enable, + .disable = scmi_clk_disable, + .get_rate = scmi_clk_get_rate, + .set_rate = scmi_clk_set_rate, +}; + +U_BOOT_DRIVER(scmi_clock) = { + .name = "scmi_clk", + .id = UCLASS_CLK, + .ops = &scmi_clk_ops, +}; diff --git a/drivers/clk/clk_zynqmp.c b/drivers/clk/clk_zynqmp.c index 2313ac0bc0..7795119756 100644 --- a/drivers/clk/clk_zynqmp.c +++ b/drivers/clk/clk_zynqmp.c @@ -710,7 +710,7 @@ static const struct udevice_id zynqmp_clk_ids[] = { }; U_BOOT_DRIVER(zynqmp_clk) = { - .name = "zynqmp-clk", + .name = "zynqmp_clk", .id = UCLASS_CLK, .of_match = zynqmp_clk_ids, .probe = zynqmp_clk_probe, diff --git a/drivers/clk/kendryte/clk.c b/drivers/clk/kendryte/clk.c index 981b3b7699..bb196961af 100644 --- a/drivers/clk/kendryte/clk.c +++ b/drivers/clk/kendryte/clk.c @@ -646,6 +646,10 @@ static int k210_clk_probe(struct udevice *dev) REGISTER_GATE(K210_CLK_RTC, "rtc", in0); #undef REGISTER_GATE + /* The MTIME register in CLINT runs at one 50th the CPU clock speed */ + clk_dm(K210_CLK_CLINT, + clk_register_fixed_factor(NULL, "clint", "cpu", 0, 1, 50)); + return 0; } diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index 00d1d80dc3..1ca5d66141 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -277,4 +277,13 @@ config ACPIGEN things like generating device-specific tables and returning the ACPI name of a device. +config INTEL_ACPIGEN + bool "Support ACPI table generation for Intel SoCs" + depends on ACPIGEN + help + This option adds some functions used for programatic generation of + ACPI tables on Intel SoCs. This provides features for writing CPU + information such as P states and T stages. Also included is a way + to create a GNVS table and set it up. + endmenu diff --git a/drivers/core/device.c b/drivers/core/device.c index 355dbd147a..e90d70101c 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -276,6 +276,28 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only, return ret; } +int device_reparent(struct udevice *dev, struct udevice *new_parent) +{ + struct udevice *pos, *n; + + assert(dev); + assert(new_parent); + + list_for_each_entry_safe(pos, n, &dev->parent->child_head, + sibling_node) { + if (pos->driver != dev->driver) + continue; + + list_del(&dev->sibling_node); + list_add_tail(&dev->sibling_node, &new_parent->child_head); + dev->parent = new_parent; + + break; + } + + return 0; +} + static void *alloc_priv(int size, uint flags) { void *priv; diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c index 922e78f99b..bcf1644d05 100644 --- a/drivers/core/of_access.c +++ b/drivers/core/of_access.c @@ -745,13 +745,14 @@ struct device_node *of_parse_phandle(const struct device_node *np, int of_parse_phandle_with_args(const struct device_node *np, const char *list_name, const char *cells_name, - int index, struct of_phandle_args *out_args) + int cell_count, int index, + struct of_phandle_args *out_args) { if (index < 0) return -EINVAL; - return __of_parse_phandle_with_args(np, list_name, cells_name, 0, - index, out_args); + return __of_parse_phandle_with_args(np, list_name, cells_name, + cell_count, index, out_args); } int of_count_phandle_with_args(const struct device_node *np, diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index d02d8d33fe..79fcdf5ce2 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -409,7 +409,8 @@ int ofnode_parse_phandle_with_args(ofnode node, const char *list_name, int ret; ret = of_parse_phandle_with_args(ofnode_to_np(node), - list_name, cells_name, index, + list_name, cells_name, + cell_count, index, &args); if (ret) return ret; diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index a67a237b88..c2bed88eac 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -14,7 +14,24 @@ #include <regmap.h> #include <asm/io.h> #include <dm/of_addr.h> +#include <dm/devres.h> #include <linux/ioport.h> +#include <linux/compat.h> +#include <linux/err.h> +#include <linux/bitops.h> + +/* + * Internal representation of a regmap field. Instead of storing the MSB and + * LSB, store the shift and mask. This makes the code a bit cleaner and faster + * because the shift and mask don't have to be calculated every time. + */ +struct regmap_field { + struct regmap *regmap; + unsigned int mask; + /* lsb */ + unsigned int shift; + unsigned int reg; +}; DECLARE_GLOBAL_DATA_PTR; @@ -22,16 +39,22 @@ DECLARE_GLOBAL_DATA_PTR; * regmap_alloc() - Allocate a regmap with a given number of ranges. * * @count: Number of ranges to be allocated for the regmap. + * + * The default regmap width is set to REGMAP_SIZE_32. Callers can override it + * if they need. + * * Return: A pointer to the newly allocated regmap, or NULL on error. */ static struct regmap *regmap_alloc(int count) { struct regmap *map; + size_t size = sizeof(*map) + sizeof(map->ranges[0]) * count; - map = malloc(sizeof(*map) + sizeof(map->ranges[0]) * count); + map = calloc(1, size); if (!map) return NULL; map->range_count = count; + map->width = REGMAP_SIZE_32; return map; } @@ -155,6 +178,33 @@ err: return ret; } +int regmap_init_mem_range(ofnode node, ulong r_start, ulong r_size, + struct regmap **mapp) +{ + struct regmap *map; + struct regmap_range *range; + + map = regmap_alloc(1); + if (!map) + return -ENOMEM; + + range = &map->ranges[0]; + range->start = r_start; + range->size = r_size; + + if (ofnode_read_bool(node, "little-endian")) + map->endianness = REGMAP_LITTLE_ENDIAN; + else if (ofnode_read_bool(node, "big-endian")) + map->endianness = REGMAP_BIG_ENDIAN; + else if (ofnode_read_bool(node, "native-endian")) + map->endianness = REGMAP_NATIVE_ENDIAN; + else /* Default: native endianness */ + map->endianness = REGMAP_NATIVE_ENDIAN; + + *mapp = map; + return 0; +} + int regmap_init_mem(ofnode node, struct regmap **mapp) { struct regmap_range *range; @@ -228,6 +278,42 @@ err: return ret; } + +static void devm_regmap_release(struct udevice *dev, void *res) +{ + regmap_uninit(*(struct regmap **)res); +} + +struct regmap *devm_regmap_init(struct udevice *dev, + const struct regmap_bus *bus, + void *bus_context, + const struct regmap_config *config) +{ + int rc; + struct regmap **mapp, *map; + + mapp = devres_alloc(devm_regmap_release, sizeof(struct regmap *), + __GFP_ZERO); + if (unlikely(!mapp)) + return ERR_PTR(-ENOMEM); + + if (config && config->r_size != 0) + rc = regmap_init_mem_range(dev_ofnode(dev), config->r_start, + config->r_size, mapp); + else + rc = regmap_init_mem(dev_ofnode(dev), mapp); + if (rc) + return ERR_PTR(rc); + + map = *mapp; + if (config) { + map->width = config->width; + map->reg_offset_shift = config->reg_offset_shift; + } + + devres_add(dev, mapp); + return *mapp; +} #endif void *regmap_get_range(struct regmap *map, unsigned int range_num) @@ -310,6 +396,7 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset, } range = &map->ranges[range_num]; + offset <<= map->reg_offset_shift; if (offset + val_len > range->size) { debug("%s: offset/size combination invalid\n", __func__); return -ERANGE; @@ -347,7 +434,7 @@ int regmap_raw_read(struct regmap *map, uint offset, void *valp, size_t val_len) int regmap_read(struct regmap *map, uint offset, uint *valp) { - return regmap_raw_read(map, offset, valp, REGMAP_SIZE_32); + return regmap_raw_read(map, offset, valp, map->width); } static inline void __write_8(u8 *addr, const u8 *val, @@ -419,6 +506,7 @@ int regmap_raw_write_range(struct regmap *map, uint range_num, uint offset, } range = &map->ranges[range_num]; + offset <<= map->reg_offset_shift; if (offset + val_len > range->size) { debug("%s: offset/size combination invalid\n", __func__); return -ERANGE; @@ -457,7 +545,7 @@ int regmap_raw_write(struct regmap *map, uint offset, const void *val, int regmap_write(struct regmap *map, uint offset, uint val) { - return regmap_raw_write(map, offset, &val, REGMAP_SIZE_32); + return regmap_raw_write(map, offset, &val, map->width); } int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val) @@ -473,3 +561,72 @@ int regmap_update_bits(struct regmap *map, uint offset, uint mask, uint val) return regmap_write(map, offset, reg | (val & mask)); } + +int regmap_field_read(struct regmap_field *field, unsigned int *val) +{ + int ret; + unsigned int reg_val; + + ret = regmap_read(field->regmap, field->reg, ®_val); + if (ret != 0) + return ret; + + reg_val &= field->mask; + reg_val >>= field->shift; + *val = reg_val; + + return ret; +} + +int regmap_field_write(struct regmap_field *field, unsigned int val) +{ + return regmap_update_bits(field->regmap, field->reg, field->mask, + val << field->shift); +} + +static void regmap_field_init(struct regmap_field *rm_field, + struct regmap *regmap, + struct reg_field reg_field) +{ + rm_field->regmap = regmap; + rm_field->reg = reg_field.reg; + rm_field->shift = reg_field.lsb; + rm_field->mask = GENMASK(reg_field.msb, reg_field.lsb); +} + +struct regmap_field *devm_regmap_field_alloc(struct udevice *dev, + struct regmap *regmap, + struct reg_field reg_field) +{ + struct regmap_field *rm_field = devm_kzalloc(dev, sizeof(*rm_field), + GFP_KERNEL); + if (!rm_field) + return ERR_PTR(-ENOMEM); + + regmap_field_init(rm_field, regmap, reg_field); + + return rm_field; +} + +void devm_regmap_field_free(struct udevice *dev, struct regmap_field *field) +{ + devm_kfree(dev, field); +} + +struct regmap_field *regmap_field_alloc(struct regmap *regmap, + struct reg_field reg_field) +{ + struct regmap_field *rm_field = kzalloc(sizeof(*rm_field), GFP_KERNEL); + + if (!rm_field) + return ERR_PTR(-ENOMEM); + + regmap_field_init(rm_field, regmap, reg_field); + + return rm_field; +} + +void regmap_field_free(struct regmap_field *field) +{ + kfree(field); +} diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c index b5cd763b6b..5be1d527a0 100644 --- a/drivers/core/syscon-uclass.c +++ b/drivers/core/syscon-uclass.c @@ -18,12 +18,16 @@ /* * Caution: - * This API requires the given device has alerady been bound to syscon driver. - * For example, + * This API requires the given device has already been bound to the syscon + * driver. For example, + * * compatible = "syscon", "simple-mfd"; + * * works, but + * * compatible = "simple-mfd", "syscon"; - * does not. The behavior is different from Linux. + * + * does not. The behavior is different from Linux. */ struct regmap *syscon_get_regmap(struct udevice *dev) { @@ -66,7 +70,7 @@ static int syscon_probe_by_ofnode(ofnode node, struct udevice **devp) /* found node with "syscon" compatible, not bounded to SYSCON UCLASS */ if (!ofnode_device_is_compatible(node, "syscon")) { - dev_dbg(dev, "invalid compatible for syscon device\n"); + log_debug("invalid compatible for syscon device\n"); return -EINVAL; } diff --git a/drivers/cpu/Makefile b/drivers/cpu/Makefile index 0b5dbc7c88..c8532637ca 100644 --- a/drivers/cpu/Makefile +++ b/drivers/cpu/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_CPU) += cpu-uclass.o obj-$(CONFIG_ARCH_BMIPS) += bmips_cpu.o obj-$(CONFIG_ARCH_IMX8) += imx8_cpu.o +obj-$(CONFIG_ARCH_AT91) += at91_cpu.o obj-$(CONFIG_CPU_MPC83XX) += mpc83xx_cpu.o obj-$(CONFIG_CPU_RISCV) += riscv_cpu.o obj-$(CONFIG_SANDBOX) += cpu_sandbox.o diff --git a/drivers/cpu/at91_cpu.c b/drivers/cpu/at91_cpu.c new file mode 100644 index 0000000000..058ae3a811 --- /dev/null +++ b/drivers/cpu/at91_cpu.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + */ + +#include <common.h> +#include <cpu.h> +#include <dm.h> +#include <div64.h> +#include <linux/clk-provider.h> + +struct at91_cpu_platdata { + const char *name; + ulong cpufreq_mhz; + ulong mckfreq_mhz; + ulong xtalfreq_mhz; +}; + +extern char *get_cpu_name(void); + +const char *at91_cpu_get_name(void) +{ + return get_cpu_name(); +} + +int at91_cpu_get_desc(const struct udevice *dev, char *buf, int size) +{ + struct at91_cpu_platdata *plat = dev_get_platdata(dev); + + snprintf(buf, size, "%s\n" + "Crystal frequency: %8lu MHz\n" + "CPU clock : %8lu MHz\n" + "Master clock : %8lu MHz\n", + plat->name, plat->xtalfreq_mhz, plat->cpufreq_mhz, + plat->mckfreq_mhz); + + return 0; +} + +static int at91_cpu_get_info(const struct udevice *dev, struct cpu_info *info) +{ + struct at91_cpu_platdata *plat = dev_get_platdata(dev); + + info->cpu_freq = plat->cpufreq_mhz * 1000000; + info->features = BIT(CPU_FEAT_L1_CACHE); + + return 0; +} + +static int at91_cpu_get_count(const struct udevice *dev) +{ + return 1; +} + +static int at91_cpu_get_vendor(const struct udevice *dev, char *buf, int size) +{ + snprintf(buf, size, "Microchip Technology Inc."); + + return 0; +} + +static const struct cpu_ops at91_cpu_ops = { + .get_desc = at91_cpu_get_desc, + .get_info = at91_cpu_get_info, + .get_count = at91_cpu_get_count, + .get_vendor = at91_cpu_get_vendor, +}; + +static const struct udevice_id at91_cpu_ids[] = { + { .compatible = "arm,cortex-a7" }, + { /* Sentinel. */ } +}; + +static int at91_cpu_probe(struct udevice *dev) +{ + struct at91_cpu_platdata *plat = dev_get_platdata(dev); + struct clk clk; + ulong rate; + int ret; + + ret = clk_get_by_index(dev, 0, &clk); + if (ret) + return ret; + + rate = clk_get_rate(&clk); + if (!rate) + return -ENOTSUPP; + plat->cpufreq_mhz = DIV_ROUND_CLOSEST_ULL(rate, 1000000); + + ret = clk_get_by_index(dev, 1, &clk); + if (ret) + return ret; + + rate = clk_get_rate(&clk); + if (!rate) + return -ENOTSUPP; + plat->mckfreq_mhz = DIV_ROUND_CLOSEST_ULL(rate, 1000000); + + ret = clk_get_by_index(dev, 2, &clk); + if (ret) + return ret; + + rate = clk_get_rate(&clk); + if (!rate) + return -ENOTSUPP; + plat->xtalfreq_mhz = DIV_ROUND_CLOSEST_ULL(rate, 1000000); + + plat->name = get_cpu_name(); + + return 0; +} + +U_BOOT_DRIVER(cpu_at91_drv) = { + .name = "at91-cpu", + .id = UCLASS_CPU, + .of_match = at91_cpu_ids, + .ops = &at91_cpu_ops, + .probe = at91_cpu_probe, + .platdata_auto_alloc_size = sizeof(struct at91_cpu_platdata), + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/cpu/cpu_sandbox.c b/drivers/cpu/cpu_sandbox.c index caa26e50f2..4ba0d1b99e 100644 --- a/drivers/cpu/cpu_sandbox.c +++ b/drivers/cpu/cpu_sandbox.c @@ -8,14 +8,15 @@ #include <dm.h> #include <cpu.h> -int cpu_sandbox_get_desc(const struct udevice *dev, char *buf, int size) +static int cpu_sandbox_get_desc(const struct udevice *dev, char *buf, int size) { snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1"); return 0; } -int cpu_sandbox_get_info(const struct udevice *dev, struct cpu_info *info) +static int cpu_sandbox_get_info(const struct udevice *dev, + struct cpu_info *info) { info->cpu_freq = 42 * 42 * 42 * 42 * 42; info->features = 0x42424242; @@ -24,21 +25,29 @@ int cpu_sandbox_get_info(const struct udevice *dev, struct cpu_info *info) return 0; } -int cpu_sandbox_get_count(const struct udevice *dev) +static int cpu_sandbox_get_count(const struct udevice *dev) { return 42; } -int cpu_sandbox_get_vendor(const struct udevice *dev, char *buf, int size) +static int cpu_sandbox_get_vendor(const struct udevice *dev, char *buf, + int size) { snprintf(buf, size, "Languid Example Garbage Inc."); return 0; } -int cpu_sandbox_is_current(struct udevice *dev) +static const char *cpu_current = "cpu-test1"; + +void cpu_sandbox_set_current(const char *name) { - if (!strcmp(dev->name, "cpu-test1")) + cpu_current = name; +} + +static int cpu_sandbox_is_current(struct udevice *dev) +{ + if (!strcmp(dev->name, cpu_current)) return 1; return 0; @@ -52,7 +61,22 @@ static const struct cpu_ops cpu_sandbox_ops = { .is_current = cpu_sandbox_is_current, }; -int cpu_sandbox_probe(struct udevice *dev) +static int cpu_sandbox_bind(struct udevice *dev) +{ + int ret; + struct cpu_platdata *plat = dev_get_parent_platdata(dev); + + /* first examine the property in current cpu node */ + ret = dev_read_u32(dev, "timebase-frequency", &plat->timebase_freq); + /* if not found, then look at the parent /cpus node */ + if (ret) + ret = dev_read_u32(dev->parent, "timebase-frequency", + &plat->timebase_freq); + + return ret; +} + +static int cpu_sandbox_probe(struct udevice *dev) { return 0; } @@ -67,5 +91,6 @@ U_BOOT_DRIVER(cpu_sandbox) = { .id = UCLASS_CPU, .ops = &cpu_sandbox_ops, .of_match = cpu_sandbox_ids, + .bind = cpu_sandbox_bind, .probe = cpu_sandbox_probe, }; diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index b70a206355..ef958b3a7a 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -36,3 +36,5 @@ config ZYNQMP_FIRMWARE various platform management services. Say yes to enable ZynqMP firmware interface driver. If in doubt, say N. + +source "drivers/firmware/scmi/Kconfig" diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index a0c250a473..7ce83d72bd 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -3,3 +3,4 @@ obj-$(CONFIG_$(SPL_)ARM_PSCI_FW) += psci.o obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o obj-$(CONFIG_SANDBOX) += firmware-sandbox.o obj-$(CONFIG_ZYNQMP_FIRMWARE) += firmware-zynqmp.o +obj-$(CONFIG_SCMI_FIRMWARE) += scmi/ diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 903a8f5878..7583f24a20 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -202,6 +202,6 @@ static const struct udevice_id zynqmp_firmware_ids[] = { U_BOOT_DRIVER(zynqmp_firmware) = { .id = UCLASS_FIRMWARE, - .name = "zynqmp-firmware", + .name = "zynqmp_firmware", .of_match = zynqmp_firmware_ids, }; diff --git a/drivers/firmware/scmi/Kconfig b/drivers/firmware/scmi/Kconfig new file mode 100644 index 0000000000..c3a109beac --- /dev/null +++ b/drivers/firmware/scmi/Kconfig @@ -0,0 +1,19 @@ +config SCMI_FIRMWARE + bool "Enable SCMI support" + select FIRMWARE + select OF_TRANSLATE + depends on SANDBOX || DM_MAILBOX || ARM_SMCCC + help + System Control and Management Interface (SCMI) is a communication + protocol that defines standard interfaces for power, performance + and system management. The SCMI specification is available at + https://developer.arm.com/architectures/system-architectures/software-standards/scmi + + An SCMI agent communicates with a related SCMI server firmware + located in another sub-system, as a companion micro controller + or a companion host in the CPU system. + + Communications between agent (client) and the SCMI server are + based on message exchange. Messages can be exchange over tranport + channels as a mailbox device or an Arm SMCCC service with some + piece of identified shared memory. diff --git a/drivers/firmware/scmi/Makefile b/drivers/firmware/scmi/Makefile new file mode 100644 index 0000000000..e1e0224066 --- /dev/null +++ b/drivers/firmware/scmi/Makefile @@ -0,0 +1,5 @@ +obj-y += scmi_agent-uclass.o +obj-y += smt.o +obj-$(CONFIG_ARM_SMCCC) += smccc_agent.o +obj-$(CONFIG_DM_MAILBOX) += mailbox_agent.o +obj-$(CONFIG_SANDBOX) += sandbox-scmi_agent.o sandbox-scmi_devices.o diff --git a/drivers/firmware/scmi/mailbox_agent.c b/drivers/firmware/scmi/mailbox_agent.c new file mode 100644 index 0000000000..7d9fb3622e --- /dev/null +++ b/drivers/firmware/scmi/mailbox_agent.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Linaro Limited. + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <mailbox.h> +#include <scmi_agent.h> +#include <scmi_agent-uclass.h> +#include <dm/devres.h> +#include <linux/compat.h> + +#include "smt.h" + +#define TIMEOUT_US_10MS 10000 + +/** + * struct scmi_mbox_channel - Description of an SCMI mailbox transport + * @smt: Shared memory buffer + * @mbox: Mailbox channel description + * @timeout_us: Timeout in microseconds for the mailbox transfer + */ +struct scmi_mbox_channel { + struct scmi_smt smt; + struct mbox_chan mbox; + ulong timeout_us; +}; + +static int scmi_mbox_process_msg(struct udevice *dev, struct scmi_msg *msg) +{ + struct scmi_mbox_channel *chan = dev_get_priv(dev); + int ret; + + ret = scmi_write_msg_to_smt(dev, &chan->smt, msg); + if (ret) + return ret; + + /* Give shm addr to mbox in case it is meaningful */ + ret = mbox_send(&chan->mbox, chan->smt.buf); + if (ret) { + dev_err(dev, "Message send failed: %d\n", ret); + goto out; + } + + /* Receive the response */ + ret = mbox_recv(&chan->mbox, chan->smt.buf, chan->timeout_us); + if (ret) { + dev_err(dev, "Response failed: %d, abort\n", ret); + goto out; + } + + ret = scmi_read_resp_from_smt(dev, &chan->smt, msg); + +out: + scmi_clear_smt_channel(&chan->smt); + + return ret; +} + +int scmi_mbox_probe(struct udevice *dev) +{ + struct scmi_mbox_channel *chan = dev_get_priv(dev); + int ret; + + chan->timeout_us = TIMEOUT_US_10MS; + + ret = mbox_get_by_index(dev, 0, &chan->mbox); + if (ret) { + dev_err(dev, "Failed to find mailbox: %d\n", ret); + goto out; + } + + ret = scmi_dt_get_smt_buffer(dev, &chan->smt); + if (ret) + dev_err(dev, "Failed to get shm resources: %d\n", ret); + +out: + if (ret) + devm_kfree(dev, chan); + + return ret; +} + +static const struct udevice_id scmi_mbox_ids[] = { + { .compatible = "arm,scmi" }, + { } +}; + +static const struct scmi_agent_ops scmi_mbox_ops = { + .process_msg = scmi_mbox_process_msg, +}; + +U_BOOT_DRIVER(scmi_mbox) = { + .name = "scmi-over-mailbox", + .id = UCLASS_SCMI_AGENT, + .of_match = scmi_mbox_ids, + .priv_auto_alloc_size = sizeof(struct scmi_mbox_channel), + .probe = scmi_mbox_probe, + .ops = &scmi_mbox_ops, +}; diff --git a/drivers/firmware/scmi/sandbox-scmi_agent.c b/drivers/firmware/scmi/sandbox-scmi_agent.c new file mode 100644 index 0000000000..5b6a4232af --- /dev/null +++ b/drivers/firmware/scmi/sandbox-scmi_agent.c @@ -0,0 +1,410 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020, Linaro Limited + */ + +#include <common.h> +#include <dm.h> +#include <malloc.h> +#include <scmi_agent.h> +#include <scmi_agent-uclass.h> +#include <scmi_protocols.h> +#include <asm/io.h> +#include <asm/scmi_test.h> +#include <dm/device_compat.h> + +/* + * The sandbox SCMI agent driver simulates to some extend a SCMI message + * processing. It simulates few of the SCMI services for some of the + * SCMI protocols embedded in U-Boot. Currently: + * - SCMI clock protocol: emulate 2 agents each exposing few clocks + * - SCMI reset protocol: emulate 1 agents each exposing a reset + * + * Agent #0 simulates 2 clocks and 1 reset domain. + * See IDs in scmi0_clk[]/scmi0_reset[] and "sandbox-scmi-agent@0" in test.dts. + * + * Agent #1 simulates 1 clock. + * See IDs in scmi1_clk[] and "sandbox-scmi-agent@1" in test.dts. + * + * All clocks are default disabled and reset levels down. + * + * This Driver exports sandbox_scmi_service_ct() for the test sequence to + * get the state of the simulated services (clock state, rate, ...) and + * check back-end device state reflects the request send through the + * various uclass devices, as clocks and reset controllers. + */ + +#define SANDBOX_SCMI_AGENT_COUNT 2 + +static struct sandbox_scmi_clk scmi0_clk[] = { + { .id = 7, .rate = 1000 }, + { .id = 3, .rate = 333 }, +}; + +static struct sandbox_scmi_reset scmi0_reset[] = { + { .id = 3 }, +}; + +static struct sandbox_scmi_clk scmi1_clk[] = { + { .id = 1, .rate = 44 }, +}; + +/* The list saves to simulted end devices references for test purpose */ +struct sandbox_scmi_agent *sandbox_scmi_agent_list[SANDBOX_SCMI_AGENT_COUNT]; + +static struct sandbox_scmi_service sandbox_scmi_service_state = { + .agent = sandbox_scmi_agent_list, + .agent_count = SANDBOX_SCMI_AGENT_COUNT, +}; + +struct sandbox_scmi_service *sandbox_scmi_service_ctx(void) +{ + return &sandbox_scmi_service_state; +} + +static void debug_print_agent_state(struct udevice *dev, char *str) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + + dev_dbg(dev, "Dump sandbox_scmi_agent %u: %s\n", agent->idx, str); + dev_dbg(dev, " scmi%u_clk (%zu): %d/%ld, %d/%ld, %d/%ld, ...\n", + agent->idx, + agent->clk_count, + agent->clk_count ? agent->clk[0].enabled : -1, + agent->clk_count ? agent->clk[0].rate : -1, + agent->clk_count > 1 ? agent->clk[1].enabled : -1, + agent->clk_count > 1 ? agent->clk[1].rate : -1, + agent->clk_count > 2 ? agent->clk[2].enabled : -1, + agent->clk_count > 2 ? agent->clk[2].rate : -1); + dev_dbg(dev, " scmi%u_reset (%zu): %d, %d, ...\n", + agent->idx, + agent->reset_count, + agent->reset_count ? agent->reset[0].asserted : -1, + agent->reset_count > 1 ? agent->reset[1].asserted : -1); +}; + +static struct sandbox_scmi_clk *get_scmi_clk_state(uint agent_id, uint clock_id) +{ + struct sandbox_scmi_clk *target = NULL; + size_t target_count = 0; + size_t n; + + switch (agent_id) { + case 0: + target = scmi0_clk; + target_count = ARRAY_SIZE(scmi0_clk); + break; + case 1: + target = scmi1_clk; + target_count = ARRAY_SIZE(scmi1_clk); + break; + default: + return NULL; + } + + for (n = 0; n < target_count; n++) + if (target[n].id == clock_id) + return target + n; + + return NULL; +} + +static struct sandbox_scmi_reset *get_scmi_reset_state(uint agent_id, + uint reset_id) +{ + size_t n; + + if (agent_id == 0) { + for (n = 0; n < ARRAY_SIZE(scmi0_reset); n++) + if (scmi0_reset[n].id == reset_id) + return scmi0_reset + n; + } + + return NULL; +} + +/* + * Sandbox SCMI agent ops + */ + +static int sandbox_scmi_clock_rate_set(struct udevice *dev, + struct scmi_msg *msg) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + struct scmi_clk_rate_set_in *in = NULL; + struct scmi_clk_rate_set_out *out = NULL; + struct sandbox_scmi_clk *clk_state = NULL; + + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || + !msg->out_msg || msg->out_msg_sz < sizeof(*out)) + return -EINVAL; + + in = (struct scmi_clk_rate_set_in *)msg->in_msg; + out = (struct scmi_clk_rate_set_out *)msg->out_msg; + + clk_state = get_scmi_clk_state(agent->idx, in->clock_id); + if (!clk_state) { + dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); + + out->status = SCMI_NOT_FOUND; + } else { + u64 rate = ((u64)in->rate_msb << 32) + in->rate_lsb; + + clk_state->rate = (ulong)rate; + + out->status = SCMI_SUCCESS; + } + + return 0; +} + +static int sandbox_scmi_clock_rate_get(struct udevice *dev, + struct scmi_msg *msg) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + struct scmi_clk_rate_get_in *in = NULL; + struct scmi_clk_rate_get_out *out = NULL; + struct sandbox_scmi_clk *clk_state = NULL; + + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || + !msg->out_msg || msg->out_msg_sz < sizeof(*out)) + return -EINVAL; + + in = (struct scmi_clk_rate_get_in *)msg->in_msg; + out = (struct scmi_clk_rate_get_out *)msg->out_msg; + + clk_state = get_scmi_clk_state(agent->idx, in->clock_id); + if (!clk_state) { + dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); + + out->status = SCMI_NOT_FOUND; + } else { + out->rate_msb = (u32)((u64)clk_state->rate >> 32); + out->rate_lsb = (u32)clk_state->rate; + + out->status = SCMI_SUCCESS; + } + + return 0; +} + +static int sandbox_scmi_clock_gate(struct udevice *dev, struct scmi_msg *msg) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + struct scmi_clk_state_in *in = NULL; + struct scmi_clk_state_out *out = NULL; + struct sandbox_scmi_clk *clk_state = NULL; + + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || + !msg->out_msg || msg->out_msg_sz < sizeof(*out)) + return -EINVAL; + + in = (struct scmi_clk_state_in *)msg->in_msg; + out = (struct scmi_clk_state_out *)msg->out_msg; + + clk_state = get_scmi_clk_state(agent->idx, in->clock_id); + if (!clk_state) { + dev_err(dev, "Unexpected clock ID %u\n", in->clock_id); + + out->status = SCMI_NOT_FOUND; + } else if (in->attributes > 1) { + out->status = SCMI_PROTOCOL_ERROR; + } else { + clk_state->enabled = in->attributes; + + out->status = SCMI_SUCCESS; + } + + return 0; +} + +static int sandbox_scmi_rd_attribs(struct udevice *dev, struct scmi_msg *msg) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + struct scmi_rd_attr_in *in = NULL; + struct scmi_rd_attr_out *out = NULL; + struct sandbox_scmi_reset *reset_state = NULL; + + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || + !msg->out_msg || msg->out_msg_sz < sizeof(*out)) + return -EINVAL; + + in = (struct scmi_rd_attr_in *)msg->in_msg; + out = (struct scmi_rd_attr_out *)msg->out_msg; + + reset_state = get_scmi_reset_state(agent->idx, in->domain_id); + if (!reset_state) { + dev_err(dev, "Unexpected reset domain ID %u\n", in->domain_id); + + out->status = SCMI_NOT_FOUND; + } else { + memset(out, 0, sizeof(*out)); + snprintf(out->name, sizeof(out->name), "rd%u", in->domain_id); + + out->status = SCMI_SUCCESS; + } + + return 0; +} + +static int sandbox_scmi_rd_reset(struct udevice *dev, struct scmi_msg *msg) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + struct scmi_rd_reset_in *in = NULL; + struct scmi_rd_reset_out *out = NULL; + struct sandbox_scmi_reset *reset_state = NULL; + + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) || + !msg->out_msg || msg->out_msg_sz < sizeof(*out)) + return -EINVAL; + + in = (struct scmi_rd_reset_in *)msg->in_msg; + out = (struct scmi_rd_reset_out *)msg->out_msg; + + reset_state = get_scmi_reset_state(agent->idx, in->domain_id); + if (!reset_state) { + dev_err(dev, "Unexpected reset domain ID %u\n", in->domain_id); + + out->status = SCMI_NOT_FOUND; + } else if (in->reset_state > 1) { + dev_err(dev, "Invalid reset domain input attribute value\n"); + + out->status = SCMI_INVALID_PARAMETERS; + } else { + if (in->flags & SCMI_RD_RESET_FLAG_CYCLE) { + if (in->flags & SCMI_RD_RESET_FLAG_ASYNC) { + out->status = SCMI_NOT_SUPPORTED; + } else { + /* Ends deasserted whatever current state */ + reset_state->asserted = false; + out->status = SCMI_SUCCESS; + } + } else { + reset_state->asserted = in->flags & + SCMI_RD_RESET_FLAG_ASSERT; + + out->status = SCMI_SUCCESS; + } + } + + return 0; +} + +static int sandbox_scmi_test_process_msg(struct udevice *dev, + struct scmi_msg *msg) +{ + switch (msg->protocol_id) { + case SCMI_PROTOCOL_ID_CLOCK: + switch (msg->message_id) { + case SCMI_CLOCK_RATE_SET: + return sandbox_scmi_clock_rate_set(dev, msg); + case SCMI_CLOCK_RATE_GET: + return sandbox_scmi_clock_rate_get(dev, msg); + case SCMI_CLOCK_CONFIG_SET: + return sandbox_scmi_clock_gate(dev, msg); + default: + break; + } + break; + case SCMI_PROTOCOL_ID_RESET_DOMAIN: + switch (msg->message_id) { + case SCMI_RESET_DOMAIN_ATTRIBUTES: + return sandbox_scmi_rd_attribs(dev, msg); + case SCMI_RESET_DOMAIN_RESET: + return sandbox_scmi_rd_reset(dev, msg); + default: + break; + } + break; + case SCMI_PROTOCOL_ID_BASE: + case SCMI_PROTOCOL_ID_POWER_DOMAIN: + case SCMI_PROTOCOL_ID_SYSTEM: + case SCMI_PROTOCOL_ID_PERF: + case SCMI_PROTOCOL_ID_SENSOR: + *(u32 *)msg->out_msg = SCMI_NOT_SUPPORTED; + return 0; + default: + break; + } + + dev_err(dev, "%s(%s): Unhandled protocol_id %#x/message_id %#x\n", + __func__, dev->name, msg->protocol_id, msg->message_id); + + if (msg->out_msg_sz < sizeof(u32)) + return -EINVAL; + + /* Intentionnaly report unhandled IDs through the SCMI return code */ + *(u32 *)msg->out_msg = SCMI_PROTOCOL_ERROR; + return 0; +} + +static int sandbox_scmi_test_remove(struct udevice *dev) +{ + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + + debug_print_agent_state(dev, "removed"); + + /* We only need to dereference the agent in the context */ + sandbox_scmi_service_ctx()->agent[agent->idx] = NULL; + + return 0; +} + +static int sandbox_scmi_test_probe(struct udevice *dev) +{ + static const char basename[] = "sandbox-scmi-agent@"; + struct sandbox_scmi_agent *agent = dev_get_priv(dev); + const size_t basename_size = sizeof(basename) - 1; + + if (strncmp(basename, dev->name, basename_size)) + return -ENOENT; + + switch (dev->name[basename_size]) { + case '0': + *agent = (struct sandbox_scmi_agent){ + .idx = 0, + .clk = scmi0_clk, + .clk_count = ARRAY_SIZE(scmi0_clk), + .reset = scmi0_reset, + .reset_count = ARRAY_SIZE(scmi0_reset), + }; + break; + case '1': + *agent = (struct sandbox_scmi_agent){ + .idx = 1, + .clk = scmi1_clk, + .clk_count = ARRAY_SIZE(scmi1_clk), + }; + break; + default: + dev_err(dev, "%s(): Unexpected agent ID %s\n", + __func__, dev->name + basename_size); + return -ENOENT; + } + + debug_print_agent_state(dev, "probed"); + + /* Save reference for tests purpose */ + sandbox_scmi_service_ctx()->agent[agent->idx] = agent; + + return 0; +}; + +static const struct udevice_id sandbox_scmi_test_ids[] = { + { .compatible = "sandbox,scmi-agent" }, + { } +}; + +struct scmi_agent_ops sandbox_scmi_test_ops = { + .process_msg = sandbox_scmi_test_process_msg, +}; + +U_BOOT_DRIVER(sandbox_scmi_agent) = { + .name = "sandbox-scmi_agent", + .id = UCLASS_SCMI_AGENT, + .of_match = sandbox_scmi_test_ids, + .priv_auto_alloc_size = sizeof(struct sandbox_scmi_agent), + .probe = sandbox_scmi_test_probe, + .remove = sandbox_scmi_test_remove, + .ops = &sandbox_scmi_test_ops, +}; diff --git a/drivers/firmware/scmi/sandbox-scmi_devices.c b/drivers/firmware/scmi/sandbox-scmi_devices.c new file mode 100644 index 0000000000..c69967bf69 --- /dev/null +++ b/drivers/firmware/scmi/sandbox-scmi_devices.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020, Linaro Limited + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <malloc.h> +#include <reset.h> +#include <asm/io.h> +#include <asm/scmi_test.h> +#include <dm/device_compat.h> + +/* + * Simulate to some extent a SCMI exchange. + * This drivers gets SCMI resources and offers API function to the + * SCMI test sequence manipulate the resources, currently clock + * and reset controllers. + */ + +#define SCMI_TEST_DEVICES_CLK_COUNT 3 +#define SCMI_TEST_DEVICES_RD_COUNT 1 + +/* + * struct sandbox_scmi_device_priv - Storage for device handles used by test + * @clk: Array of clock instances used by tests + * @reset_clt: Array of the reset controller instances used by tests + * @devices: Resources exposed by sandbox_scmi_devices_ctx() + */ +struct sandbox_scmi_device_priv { + struct clk clk[SCMI_TEST_DEVICES_CLK_COUNT]; + struct reset_ctl reset_ctl[SCMI_TEST_DEVICES_RD_COUNT]; + struct sandbox_scmi_devices devices; +}; + +struct sandbox_scmi_devices *sandbox_scmi_devices_ctx(struct udevice *dev) +{ + struct sandbox_scmi_device_priv *priv = dev_get_priv(dev); + + if (priv) + return &priv->devices; + + return NULL; +} + +static int sandbox_scmi_devices_remove(struct udevice *dev) +{ + struct sandbox_scmi_devices *devices = sandbox_scmi_devices_ctx(dev); + int ret = 0; + size_t n; + + for (n = 0; n < SCMI_TEST_DEVICES_RD_COUNT; n++) { + int ret2 = reset_free(devices->reset + n); + + if (ret2 && !ret) + ret = ret2; + } + + return ret; +} + +static int sandbox_scmi_devices_probe(struct udevice *dev) +{ + struct sandbox_scmi_device_priv *priv = dev_get_priv(dev); + int ret; + size_t n; + + priv->devices = (struct sandbox_scmi_devices){ + .clk = priv->clk, + .clk_count = SCMI_TEST_DEVICES_CLK_COUNT, + .reset = priv->reset_ctl, + .reset_count = SCMI_TEST_DEVICES_RD_COUNT, + }; + + for (n = 0; n < SCMI_TEST_DEVICES_CLK_COUNT; n++) { + ret = clk_get_by_index(dev, n, priv->devices.clk + n); + if (ret) { + dev_err(dev, "%s: Failed on clk %zu\n", __func__, n); + return ret; + } + } + + for (n = 0; n < SCMI_TEST_DEVICES_RD_COUNT; n++) { + ret = reset_get_by_index(dev, n, priv->devices.reset + n); + if (ret) { + dev_err(dev, "%s: Failed on reset %zu\n", __func__, n); + goto err_reset; + } + } + + return 0; + +err_reset: + for (; n > 0; n--) + reset_free(priv->devices.reset + n - 1); + + return ret; +} + +static const struct udevice_id sandbox_scmi_devices_ids[] = { + { .compatible = "sandbox,scmi-devices" }, + { } +}; + +U_BOOT_DRIVER(sandbox_scmi_devices) = { + .name = "sandbox-scmi_devices", + .id = UCLASS_MISC, + .of_match = sandbox_scmi_devices_ids, + .priv_auto_alloc_size = sizeof(struct sandbox_scmi_device_priv), + .remove = sandbox_scmi_devices_remove, + .probe = sandbox_scmi_devices_probe, +}; diff --git a/drivers/firmware/scmi/scmi_agent-uclass.c b/drivers/firmware/scmi/scmi_agent-uclass.c new file mode 100644 index 0000000000..77160b1999 --- /dev/null +++ b/drivers/firmware/scmi/scmi_agent-uclass.c @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Linaro Limited. + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <scmi_agent-uclass.h> +#include <scmi_protocols.h> + +#include <dm/device-internal.h> +#include <linux/compat.h> + +/** + * struct error_code - Helper structure for SCMI error code conversion + * @scmi: SCMI error code + * @errno: Related standard error number + */ +struct error_code { + int scmi; + int errno; +}; + +static const struct error_code scmi_linux_errmap[] = { + { .scmi = SCMI_NOT_SUPPORTED, .errno = -EOPNOTSUPP, }, + { .scmi = SCMI_INVALID_PARAMETERS, .errno = -EINVAL, }, + { .scmi = SCMI_DENIED, .errno = -EACCES, }, + { .scmi = SCMI_NOT_FOUND, .errno = -ENOENT, }, + { .scmi = SCMI_OUT_OF_RANGE, .errno = -ERANGE, }, + { .scmi = SCMI_BUSY, .errno = -EBUSY, }, + { .scmi = SCMI_COMMS_ERROR, .errno = -ECOMM, }, + { .scmi = SCMI_GENERIC_ERROR, .errno = -EIO, }, + { .scmi = SCMI_HARDWARE_ERROR, .errno = -EREMOTEIO, }, + { .scmi = SCMI_PROTOCOL_ERROR, .errno = -EPROTO, }, +}; + +int scmi_to_linux_errno(s32 scmi_code) +{ + int n; + + if (!scmi_code) + return 0; + + for (n = 0; n < ARRAY_SIZE(scmi_linux_errmap); n++) + if (scmi_code == scmi_linux_errmap[n].scmi) + return scmi_linux_errmap[1].errno; + + return -EPROTO; +} + +/* + * SCMI agent devices binds devices of various uclasses depeding on + * the FDT description. scmi_bind_protocol() is a generic bind sequence + * called by the uclass at bind stage, that is uclass post_bind. + */ +static int scmi_bind_protocols(struct udevice *dev) +{ + int ret = 0; + ofnode node; + + dev_for_each_subnode(node, dev) { + struct driver *drv = NULL; + u32 protocol_id; + + if (!ofnode_is_available(node)) + continue; + + if (ofnode_read_u32(node, "reg", &protocol_id)) + continue; + + switch (protocol_id) { + case SCMI_PROTOCOL_ID_CLOCK: + if (IS_ENABLED(CONFIG_CLK_SCMI)) + drv = DM_GET_DRIVER(scmi_clock); + break; + case SCMI_PROTOCOL_ID_RESET_DOMAIN: + if (IS_ENABLED(CONFIG_RESET_SCMI)) + drv = DM_GET_DRIVER(scmi_reset_domain); + break; + default: + break; + } + + if (!drv) { + dev_dbg(dev, "Ignore unsupported SCMI protocol %#x\n", + protocol_id); + continue; + } + + ret = device_bind_ofnode(dev, drv, ofnode_get_name(node), + NULL, node, NULL); + if (ret) + break; + } + + return ret; +} + +static const struct scmi_agent_ops *transport_dev_ops(struct udevice *dev) +{ + return (const struct scmi_agent_ops *)dev->driver->ops; +} + +int devm_scmi_process_msg(struct udevice *dev, struct scmi_msg *msg) +{ + const struct scmi_agent_ops *ops = transport_dev_ops(dev); + + if (ops->process_msg) + return ops->process_msg(dev, msg); + + return -EPROTONOSUPPORT; +} + +UCLASS_DRIVER(scmi_agent) = { + .id = UCLASS_SCMI_AGENT, + .name = "scmi_agent", + .post_bind = scmi_bind_protocols, +}; diff --git a/drivers/firmware/scmi/smccc_agent.c b/drivers/firmware/scmi/smccc_agent.c new file mode 100644 index 0000000000..85dbf9195e --- /dev/null +++ b/drivers/firmware/scmi/smccc_agent.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Linaro Limited. + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <scmi_agent.h> +#include <scmi_agent-uclass.h> +#include <dm/devres.h> +#include <dm/device-internal.h> +#include <linux/arm-smccc.h> +#include <linux/compat.h> + +#include "smt.h" + +#define SMCCC_RET_NOT_SUPPORTED ((unsigned long)-1) + +/** + * struct scmi_smccc_channel - Description of an SCMI SMCCC transport + * @func_id: SMCCC function ID used by the SCMI transport + * @smt: Shared memory buffer + */ +struct scmi_smccc_channel { + ulong func_id; + struct scmi_smt smt; +}; + +static int scmi_smccc_process_msg(struct udevice *dev, struct scmi_msg *msg) +{ + struct scmi_smccc_channel *chan = dev_get_priv(dev); + struct arm_smccc_res res; + int ret; + + ret = scmi_write_msg_to_smt(dev, &chan->smt, msg); + if (ret) + return ret; + + arm_smccc_smc(chan->func_id, 0, 0, 0, 0, 0, 0, 0, &res); + if (res.a0 == SMCCC_RET_NOT_SUPPORTED) + ret = -ENXIO; + else + ret = scmi_read_resp_from_smt(dev, &chan->smt, msg); + + scmi_clear_smt_channel(&chan->smt); + + return ret; +} + +static int scmi_smccc_probe(struct udevice *dev) +{ + struct scmi_smccc_channel *chan = dev_get_priv(dev); + u32 func_id; + int ret; + + if (dev_read_u32(dev, "arm,smc-id", &func_id)) { + dev_err(dev, "Missing property func-id\n"); + return -EINVAL; + } + + chan->func_id = func_id; + + ret = scmi_dt_get_smt_buffer(dev, &chan->smt); + if (ret) { + dev_err(dev, "Failed to get smt resources: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct udevice_id scmi_smccc_ids[] = { + { .compatible = "arm,scmi-smc" }, + { } +}; + +static const struct scmi_agent_ops scmi_smccc_ops = { + .process_msg = scmi_smccc_process_msg, +}; + +U_BOOT_DRIVER(scmi_smccc) = { + .name = "scmi-over-smccc", + .id = UCLASS_SCMI_AGENT, + .of_match = scmi_smccc_ids, + .priv_auto_alloc_size = sizeof(struct scmi_smccc_channel), + .probe = scmi_smccc_probe, + .ops = &scmi_smccc_ops, +}; diff --git a/drivers/firmware/scmi/smt.c b/drivers/firmware/scmi/smt.c new file mode 100644 index 0000000000..ce8fe49939 --- /dev/null +++ b/drivers/firmware/scmi/smt.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2015-2019, Arm Limited and Contributors. All rights reserved. + * Copyright (C) 2019-2020 Linaro Limited. + */ + +#include <common.h> +#include <cpu_func.h> +#include <dm.h> +#include <errno.h> +#include <scmi_agent.h> +#include <asm/cache.h> +#include <asm/system.h> +#include <dm/ofnode.h> +#include <linux/compat.h> +#include <linux/io.h> +#include <linux/ioport.h> + +#include "smt.h" + +/** + * Get shared memory configuration defined by the referred DT phandle + * Return with a errno compliant value. + */ +int scmi_dt_get_smt_buffer(struct udevice *dev, struct scmi_smt *smt) +{ + int ret; + struct ofnode_phandle_args args; + struct resource resource; + fdt32_t faddr; + phys_addr_t paddr; + + ret = dev_read_phandle_with_args(dev, "shmem", NULL, 0, 0, &args); + if (ret) + return ret; + + ret = ofnode_read_resource(args.node, 0, &resource); + if (ret) + return ret; + + faddr = cpu_to_fdt32(resource.start); + paddr = ofnode_translate_address(args.node, &faddr); + + smt->size = resource_size(&resource); + if (smt->size < sizeof(struct scmi_smt_header)) { + dev_err(dev, "Shared memory buffer too small\n"); + return -EINVAL; + } + + smt->buf = devm_ioremap(dev, paddr, smt->size); + if (!smt->buf) + return -ENOMEM; + +#ifdef CONFIG_ARM + if (dcache_status()) + mmu_set_region_dcache_behaviour((uintptr_t)smt->buf, + smt->size, DCACHE_OFF); +#endif + + return 0; +} + +/** + * Write SCMI message @msg into a SMT shared buffer @smt. + * Return 0 on success and with a negative errno in case of error. + */ +int scmi_write_msg_to_smt(struct udevice *dev, struct scmi_smt *smt, + struct scmi_msg *msg) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + if ((!msg->in_msg && msg->in_msg_sz) || + (!msg->out_msg && msg->out_msg_sz)) + return -EINVAL; + + if (!(hdr->channel_status & SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE)) { + dev_dbg(dev, "Channel busy\n"); + return -EBUSY; + } + + if (smt->size < (sizeof(*hdr) + msg->in_msg_sz) || + smt->size < (sizeof(*hdr) + msg->out_msg_sz)) { + dev_dbg(dev, "Buffer too small\n"); + return -ETOOSMALL; + } + + /* Load message in shared memory */ + hdr->channel_status &= ~SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE; + hdr->length = msg->in_msg_sz + sizeof(hdr->msg_header); + hdr->msg_header = SMT_HEADER_TOKEN(0) | + SMT_HEADER_MESSAGE_TYPE(0) | + SMT_HEADER_PROTOCOL_ID(msg->protocol_id) | + SMT_HEADER_MESSAGE_ID(msg->message_id); + + memcpy_toio(hdr->msg_payload, msg->in_msg, msg->in_msg_sz); + + return 0; +} + +/** + * Read SCMI message from a SMT shared buffer @smt and copy it into @msg. + * Return 0 on success and with a negative errno in case of error. + */ +int scmi_read_resp_from_smt(struct udevice *dev, struct scmi_smt *smt, + struct scmi_msg *msg) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + if (!(hdr->channel_status & SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE)) { + dev_err(dev, "Channel unexpectedly busy\n"); + return -EBUSY; + } + + if (hdr->channel_status & SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR) { + dev_err(dev, "Channel error reported, reset channel\n"); + return -ECOMM; + } + + if (hdr->length > msg->out_msg_sz + sizeof(hdr->msg_header)) { + dev_err(dev, "Buffer to small\n"); + return -ETOOSMALL; + } + + /* Get the data */ + msg->out_msg_sz = hdr->length - sizeof(hdr->msg_header); + memcpy_fromio(msg->out_msg, hdr->msg_payload, msg->out_msg_sz); + + return 0; +} + +/** + * Clear SMT flags in shared buffer to allow further message exchange + */ +void scmi_clear_smt_channel(struct scmi_smt *smt) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + hdr->channel_status &= ~SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR; +} diff --git a/drivers/firmware/scmi/smt.h b/drivers/firmware/scmi/smt.h new file mode 100644 index 0000000000..a8c0987bd3 --- /dev/null +++ b/drivers/firmware/scmi/smt.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2015-2019, Arm Limited and Contributors. All rights reserved. + * Copyright (C) 2019-2020 Linaro Limited. + */ +#ifndef SCMI_SMT_H +#define SCMI_SMT_H + +#include <asm/types.h> + +/** + * struct scmi_smt_header - Description of the shared memory message buffer + * + * SMT stands for Shared Memory based Transport. + * SMT uses 28 byte header prior message payload to handle the state of + * the communication channel realized by the shared memory area and + * to define SCMI protocol information the payload relates to. + */ +struct scmi_smt_header { + __le32 reserved; + __le32 channel_status; +#define SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR BIT(1) +#define SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE BIT(0) + __le32 reserved1[2]; + __le32 flags; +#define SCMI_SHMEM_FLAG_INTR_ENABLED BIT(0) + __le32 length; + __le32 msg_header; + u8 msg_payload[0]; +}; + +#define SMT_HEADER_TOKEN(token) (((token) << 18) & GENMASK(31, 18)) +#define SMT_HEADER_PROTOCOL_ID(proto) (((proto) << 10) & GENMASK(17, 10)) +#define SMT_HEADER_MESSAGE_TYPE(type) (((type) << 18) & GENMASK(9, 8)) +#define SMT_HEADER_MESSAGE_ID(id) ((id) & GENMASK(7, 0)) + +/** + * struct scmi_smt - Description of a SMT memory buffer + * @buf: Shared memory base address + * @size: Shared memory byte size + */ +struct scmi_smt { + u8 *buf; + size_t size; +}; + +static inline bool scmi_smt_channel_is_free(struct scmi_smt *smt) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + return hdr->channel_status & SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE; +} + +static inline bool scmi_smt_channel_reports_error(struct scmi_smt *smt) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + return hdr->channel_status & SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR; +} + +static inline void scmi_smt_get_channel(struct scmi_smt *smt) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + hdr->channel_status &= ~SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE; +} + +static inline void scmi_smt_put_channel(struct scmi_smt *smt) +{ + struct scmi_smt_header *hdr = (void *)smt->buf; + + hdr->channel_status |= SCMI_SHMEM_CHAN_STAT_CHANNEL_FREE; + hdr->channel_status &= ~SCMI_SHMEM_CHAN_STAT_CHANNEL_ERROR; +} + +int scmi_dt_get_smt_buffer(struct udevice *dev, struct scmi_smt *smt); + +int scmi_write_msg_to_smt(struct udevice *dev, struct scmi_smt *smt, + struct scmi_msg *msg); + +int scmi_read_resp_from_smt(struct udevice *dev, struct scmi_smt *smt, + struct scmi_msg *msg); + +void scmi_clear_smt_channel(struct scmi_smt *smt); + +#endif /* SCMI_SMT_H */ diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index e311f55ef8..a2beb0079d 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -619,7 +619,7 @@ static int ti_sci_get_device_state(const struct ti_sci_handle *handle, ret = ti_sci_do_xfer(info, xfer); if (ret) { - dev_err(dev, "Mbox send fail %d\n", ret); + dev_err(info->dev, "Mbox send fail %d\n", ret); return ret; } @@ -1591,7 +1591,7 @@ static int ti_sci_cmd_core_reboot(const struct ti_sci_handle *handle) ret = ti_sci_do_xfer(info, xfer); if (ret) { - dev_err(dev, "Mbox send fail %d\n", ret); + dev_err(info->dev, "Mbox send fail %d\n", ret); return ret; } @@ -1639,7 +1639,7 @@ static int ti_sci_get_resource_range(const struct ti_sci_handle *handle, (u32 *)&req, sizeof(req), sizeof(*resp)); if (IS_ERR(xfer)) { ret = PTR_ERR(xfer); - dev_err(dev, "Message alloc failed(%d)\n", ret); + dev_err(info->dev, "Message alloc failed(%d)\n", ret); return ret; } @@ -1649,7 +1649,7 @@ static int ti_sci_get_resource_range(const struct ti_sci_handle *handle, ret = ti_sci_do_xfer(info, xfer); if (ret) { - dev_err(dev, "Mbox send fail %d\n", ret); + dev_err(info->dev, "Mbox send fail %d\n", ret); goto fail; } @@ -1745,7 +1745,7 @@ static int ti_sci_cmd_query_msmc(const struct ti_sci_handle *handle, ret = ti_sci_do_xfer(info, xfer); if (ret) { - dev_err(dev, "Mbox send fail %d\n", ret); + dev_err(info->dev, "Mbox send fail %d\n", ret); return ret; } @@ -2229,6 +2229,14 @@ static int ti_sci_cmd_proc_shutdown_no_wait(const struct ti_sci_handle *handle, u8 proc_id) { int ret; + struct ti_sci_info *info; + + if (IS_ERR(handle)) + return PTR_ERR(handle); + if (!handle) + return -EINVAL; + + info = handle_to_ti_sci_info(handle); /* * Send the core boot status wait message waiting for either WFE or @@ -2554,7 +2562,8 @@ static int ti_sci_cmd_rm_udmap_rx_flow_cfg( (u32 *)&req, sizeof(req), sizeof(*resp)); if (IS_ERR(xfer)) { ret = PTR_ERR(xfer); - dev_err(dev, "RX_FL_CFG: Message alloc failed(%d)\n", ret); + dev_err(info->dev, "RX_FL_CFG: Message alloc failed(%d)\n", + ret); return ret; } @@ -2583,7 +2592,7 @@ static int ti_sci_cmd_rm_udmap_rx_flow_cfg( ret = ti_sci_do_xfer(info, xfer); if (ret) { - dev_err(dev, "RX_FL_CFG: Mbox send fail %d\n", ret); + dev_err(info->dev, "RX_FL_CFG: Mbox send fail %d\n", ret); goto fail; } diff --git a/drivers/fpga/zynqmppl.c b/drivers/fpga/zynqmppl.c index 5b103cfeaf..8ce140a2e1 100644 --- a/drivers/fpga/zynqmppl.c +++ b/drivers/fpga/zynqmppl.c @@ -231,11 +231,11 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize, buf_hi = upper_32_bits(bin_buf); if (xilfpga_old) - ret = xilinx_pm_request(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, buf_lo, + ret = xilinx_pm_request(PM_FPGA_LOAD, buf_lo, buf_hi, (u32)(uintptr_t)bsizeptr, bstype, ret_payload); else - ret = xilinx_pm_request(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, buf_lo, + ret = xilinx_pm_request(PM_FPGA_LOAD, buf_lo, buf_hi, (u32)bsize, 0, ret_payload); if (ret) @@ -277,7 +277,7 @@ static int zynqmp_loads(xilinx_desc *desc, const void *buf, size_t bsize, buf_lo = lower_32_bits((ulong)buf); buf_hi = upper_32_bits((ulong)buf); - ret = xilinx_pm_request(ZYNQMP_SIP_SVC_PM_FPGA_LOAD, buf_lo, + ret = xilinx_pm_request(PM_FPGA_LOAD, buf_lo, buf_hi, (u32)(uintptr_t)fpga_sec_info->userkey_addr, flag, ret_payload); @@ -295,7 +295,7 @@ static int zynqmp_pcap_info(xilinx_desc *desc) int ret; u32 ret_payload[PAYLOAD_ARG_CNT]; - ret = xilinx_pm_request(ZYNQMP_SIP_SVC_PM_FPGA_STATUS, 0, 0, 0, + ret = xilinx_pm_request(PM_FPGA_GET_STATUS, 0, 0, 0, 0, ret_payload); if (!ret) printf("PCAP status\t0x%x\n", ret_payload[1]); @@ -305,7 +305,7 @@ static int zynqmp_pcap_info(xilinx_desc *desc) struct xilinx_fpga_op zynqmp_op = { .load = zynqmp_load, -#if defined CONFIG_CMD_FPGA_LOAD_SECURE +#if defined(CONFIG_CMD_FPGA_LOAD_SECURE) && !defined(CONFIG_SPL_BUILD) .loads = zynqmp_loads, #endif .info = zynqmp_pcap_info, diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index 9c53299b6a..0c01413b58 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -6,6 +6,8 @@ #include <common.h> #include <dm.h> #include <log.h> +#include <dm/devres.h> +#include <dm/device_compat.h> #include <dm/device-internal.h> #include <dm/lists.h> #include <dm/uclass-internal.h> @@ -1209,6 +1211,75 @@ int gpio_dev_request_index(struct udevice *dev, const char *nodename, flags, 0, dev); } +static void devm_gpiod_release(struct udevice *dev, void *res) +{ + dm_gpio_free(dev, res); +} + +static int devm_gpiod_match(struct udevice *dev, void *res, void *data) +{ + return res == data; +} + +struct gpio_desc *devm_gpiod_get_index(struct udevice *dev, const char *id, + unsigned int index, int flags) +{ + int rc; + struct gpio_desc *desc; + char *propname; + static const char suffix[] = "-gpios"; + + propname = malloc(strlen(id) + sizeof(suffix)); + if (!propname) { + rc = -ENOMEM; + goto end; + } + + strcpy(propname, id); + strcat(propname, suffix); + + desc = devres_alloc(devm_gpiod_release, sizeof(struct gpio_desc), + __GFP_ZERO); + if (unlikely(!desc)) { + rc = -ENOMEM; + goto end; + } + + rc = gpio_request_by_name(dev, propname, index, desc, flags); + +end: + if (propname) + free(propname); + + if (rc) + return ERR_PTR(rc); + + devres_add(dev, desc); + + return desc; +} + +struct gpio_desc *devm_gpiod_get_index_optional(struct udevice *dev, + const char *id, + unsigned int index, + int flags) +{ + struct gpio_desc *desc = devm_gpiod_get_index(dev, id, index, flags); + + if (IS_ERR(desc)) + return NULL; + + return desc; +} + +void devm_gpiod_put(struct udevice *dev, struct gpio_desc *desc) +{ + int rc; + + rc = devres_release(dev, devm_gpiod_release, devm_gpiod_match, desc); + WARN_ON(rc); +} + static int gpio_post_bind(struct udevice *dev) { struct udevice *child; diff --git a/drivers/gpio/stm32_gpio.c b/drivers/gpio/stm32_gpio.c index 5bff27f75b..473e364796 100644 --- a/drivers/gpio/stm32_gpio.c +++ b/drivers/gpio/stm32_gpio.c @@ -273,9 +273,12 @@ static const struct dm_gpio_ops gpio_stm32_ops = { static int gpio_stm32_probe(struct udevice *dev) { struct stm32_gpio_priv *priv = dev_get_priv(dev); + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct ofnode_phandle_args args; + const char *name; struct clk clk; fdt_addr_t addr; - int ret; + int ret, i; addr = dev_read_addr(dev); if (addr == FDT_ADDR_T_NONE) @@ -283,11 +286,6 @@ static int gpio_stm32_probe(struct udevice *dev) priv->regs = (struct stm32_gpio_regs *)addr; - struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); - struct ofnode_phandle_args args; - const char *name; - int i; - name = dev_read_string(dev, "st,bank-name"); if (!name) return -EINVAL; @@ -297,6 +295,9 @@ static int gpio_stm32_probe(struct udevice *dev) ret = dev_read_phandle_with_args(dev, "gpio-ranges", NULL, 3, i, &args); + if (!ret && args.args_count < 3) + return -EINVAL; + if (ret == -ENOENT) { uc_priv->gpio_count = STM32_GPIOS_PER_BANK; priv->gpio_range = GENMASK(STM32_GPIOS_PER_BANK - 1, 0); @@ -310,6 +311,8 @@ static int gpio_stm32_probe(struct udevice *dev) ret = dev_read_phandle_with_args(dev, "gpio-ranges", NULL, 3, ++i, &args); + if (!ret && args.args_count < 3) + return -EINVAL; } dev_dbg(dev, "addr = 0x%p bank_name = %s gpio_count = %d gpio_range = 0x%x\n", diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index f7b2786448..bd248cbf52 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -3,6 +3,9 @@ # (C) Copyright 2000-2007 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. obj-$(CONFIG_DM_I2C) += i2c-uclass.o +ifdef CONFIG_ACPIGEN +obj-$(CONFIG_DM_I2C) += acpi_i2c.o +endif obj-$(CONFIG_DM_I2C_GPIO) += i2c-gpio.o obj-$(CONFIG_$(SPL_)I2C_CROS_EC_TUNNEL) += cros_ec_tunnel.o obj-$(CONFIG_$(SPL_)I2C_CROS_EC_LDO) += cros_ec_ldo.o diff --git a/drivers/i2c/acpi_i2c.c b/drivers/i2c/acpi_i2c.c new file mode 100644 index 0000000000..57d29683cb --- /dev/null +++ b/drivers/i2c/acpi_i2c.c @@ -0,0 +1,226 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2019 Google LLC + */ + +#include <common.h> +#include <dm.h> +#include <i2c.h> +#include <log.h> +#include <acpi/acpi_device.h> +#include <acpi/acpigen.h> +#include <acpi/acpi_dp.h> +#ifdef CONFIG_X86 +#include <asm/intel_pinctrl_defs.h> +#endif +#include <asm-generic/gpio.h> +#include <dm/acpi.h> + +static bool acpi_i2c_add_gpios_to_crs(struct acpi_i2c_priv *priv) +{ + /* + * Return false if: + * 1. Request to explicitly disable export of GPIOs in CRS, or + * 2. Both reset and enable GPIOs are not provided. + */ + if (priv->disable_gpio_export_in_crs || + (!dm_gpio_is_valid(&priv->reset_gpio) && + !dm_gpio_is_valid(&priv->enable_gpio))) + return false; + + return true; +} + +static int acpi_i2c_write_gpio(struct acpi_ctx *ctx, struct gpio_desc *gpio, + int *curindex) +{ + int ret; + + if (!dm_gpio_is_valid(gpio)) + return -ENOENT; + + acpi_device_write_gpio_desc(ctx, gpio); + ret = *curindex; + (*curindex)++; + + return ret; +} + +int acpi_i2c_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx) +{ + int reset_gpio_index = -1, enable_gpio_index = -1, irq_gpio_index = -1; + enum i2c_device_t type = dev_get_driver_data(dev); + struct acpi_i2c_priv *priv = dev_get_priv(dev); + struct acpi_dp *dsd = NULL; + char scope[ACPI_PATH_MAX]; + char name[ACPI_NAME_MAX]; + int tx_state_val; + int curindex = 0; + int ret; + +#ifdef CONFIG_X86 + tx_state_val = PAD_CFG0_TX_STATE; +#elif defined(CONFIG_SANDBOX) + tx_state_val = BIT(7); /* test value */ +#else +#error "Not supported on this architecture" +#endif + ret = acpi_get_name(dev, name); + if (ret) + return log_msg_ret("name", ret); + ret = acpi_device_scope(dev, scope, sizeof(scope)); + if (ret) + return log_msg_ret("scope", ret); + + /* Device */ + acpigen_write_scope(ctx, scope); + acpigen_write_device(ctx, name); + acpigen_write_name_string(ctx, "_HID", priv->hid); + if (type == I2C_DEVICE_HID_OVER_I2C) + acpigen_write_name_string(ctx, "_CID", "PNP0C50"); + acpigen_write_name_integer(ctx, "_UID", priv->uid); + acpigen_write_name_string(ctx, "_DDN", priv->desc); + acpigen_write_sta(ctx, acpi_device_status(dev)); + + /* Resources */ + acpigen_write_name(ctx, "_CRS"); + acpigen_write_resourcetemplate_header(ctx); + acpi_device_write_i2c_dev(ctx, dev); + + /* Use either Interrupt() or GpioInt() */ + if (dm_gpio_is_valid(&priv->irq_gpio)) { + irq_gpio_index = acpi_i2c_write_gpio(ctx, &priv->irq_gpio, + &curindex); + } else { + ret = acpi_device_write_interrupt_irq(ctx, &priv->irq); + if (ret < 0) + return log_msg_ret("irq", ret); + } + + if (acpi_i2c_add_gpios_to_crs(priv)) { + reset_gpio_index = acpi_i2c_write_gpio(ctx, &priv->reset_gpio, + &curindex); + enable_gpio_index = acpi_i2c_write_gpio(ctx, &priv->enable_gpio, + &curindex); + } + acpigen_write_resourcetemplate_footer(ctx); + + /* Wake capabilities */ + if (priv->wake) { + acpigen_write_name_integer(ctx, "_S0W", 4); + acpigen_write_prw(ctx, priv->wake, 3); + } + + /* DSD */ + if (priv->probed || priv->property_count || priv->compat_string || + reset_gpio_index >= 0 || enable_gpio_index >= 0 || + irq_gpio_index >= 0) { + char path[ACPI_PATH_MAX]; + + ret = acpi_device_path(dev, path, sizeof(path)); + if (ret) + return log_msg_ret("path", ret); + + dsd = acpi_dp_new_table("_DSD"); + if (priv->compat_string) + acpi_dp_add_string(dsd, "compatible", + priv->compat_string); + if (priv->probed) + acpi_dp_add_integer(dsd, "linux,probed", 1); + if (irq_gpio_index >= 0) + acpi_dp_add_gpio(dsd, "irq-gpios", path, + irq_gpio_index, 0, + priv->irq_gpio.flags & + GPIOD_ACTIVE_LOW ? + ACPI_GPIO_ACTIVE_LOW : 0); + if (reset_gpio_index >= 0) + acpi_dp_add_gpio(dsd, "reset-gpios", path, + reset_gpio_index, 0, + priv->reset_gpio.flags & + GPIOD_ACTIVE_LOW ? + ACPI_GPIO_ACTIVE_LOW : 0); + if (enable_gpio_index >= 0) + acpi_dp_add_gpio(dsd, "enable-gpios", path, + enable_gpio_index, 0, + priv->enable_gpio.flags & + GPIOD_ACTIVE_LOW ? + ACPI_GPIO_ACTIVE_LOW : 0); + /* Generic property list is not supported */ + acpi_dp_write(ctx, dsd); + } + + /* Power Resource */ + if (priv->has_power_resource) { + ret = acpi_device_add_power_res(ctx, tx_state_val, + "\\_SB.GPC0", "\\_SB.SPC0", + &priv->reset_gpio, priv->reset_delay_ms, + priv->reset_off_delay_ms, &priv->enable_gpio, + priv->enable_delay_ms, priv->enable_off_delay_ms, + &priv->stop_gpio, priv->stop_delay_ms, + priv->stop_off_delay_ms); + if (ret) + return log_msg_ret("power", ret); + } + if (priv->hid_desc_reg_offset) { + ret = acpi_device_write_dsm_i2c_hid(ctx, + priv->hid_desc_reg_offset); + if (ret) + return log_msg_ret("dsm", ret); + } + + acpigen_pop_len(ctx); /* Device */ + acpigen_pop_len(ctx); /* Scope */ + + return 0; +} + +int acpi_i2c_ofdata_to_platdata(struct udevice *dev) +{ + struct acpi_i2c_priv *priv = dev_get_priv(dev); + + gpio_request_by_name(dev, "reset-gpios", 0, &priv->reset_gpio, + GPIOD_IS_OUT); + gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable_gpio, + GPIOD_IS_OUT); + gpio_request_by_name(dev, "irq-gpios", 0, &priv->irq_gpio, GPIOD_IS_IN); + gpio_request_by_name(dev, "stop-gpios", 0, &priv->stop_gpio, + GPIOD_IS_OUT); + irq_get_by_index(dev, 0, &priv->irq); + priv->hid = dev_read_string(dev, "acpi,hid"); + if (!priv->hid) + return log_msg_ret("hid", -EINVAL); + dev_read_u32(dev, "acpi,uid", &priv->uid); + priv->desc = dev_read_string(dev, "acpi,ddn"); + dev_read_u32(dev, "acpi,wake", &priv->wake); + priv->probed = dev_read_bool(dev, "linux,probed"); + priv->compat_string = dev_read_string(dev, "acpi,compatible"); + priv->has_power_resource = dev_read_bool(dev, + "acpi,has-power-resource"); + dev_read_u32(dev, "hid-descr-addr", &priv->hid_desc_reg_offset); + dev_read_u32(dev, "reset-delay-ms", &priv->reset_delay_ms); + dev_read_u32(dev, "reset-off-delay-ms", &priv->reset_off_delay_ms); + dev_read_u32(dev, "enable-delay-ms", &priv->enable_delay_ms); + dev_read_u32(dev, "enable-off-delay-ms", &priv->enable_off_delay_ms); + dev_read_u32(dev, "stop-delay-ms", &priv->stop_delay_ms); + dev_read_u32(dev, "stop-off-delay-ms", &priv->stop_off_delay_ms); + + return 0; +} + +/* Use name specified in priv or build one from I2C address */ +static int acpi_i2c_get_name(const struct udevice *dev, char *out_name) +{ + struct dm_i2c_chip *chip = dev_get_parent_platdata(dev); + struct acpi_i2c_priv *priv = dev_get_priv(dev); + + snprintf(out_name, ACPI_NAME_MAX, + priv->hid_desc_reg_offset ? "H%03X" : "D%03X", + chip->chip_addr); + + return 0; +} + +struct acpi_ops acpi_i2c_ops = { + .fill_ssdt = acpi_i2c_fill_ssdt, + .get_name = acpi_i2c_get_name, +}; diff --git a/drivers/i2c/acpi_i2c.h b/drivers/i2c/acpi_i2c.h new file mode 100644 index 0000000000..1f4be29601 --- /dev/null +++ b/drivers/i2c/acpi_i2c.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 Google LLC + */ + +#ifndef __ACPI_I2C_H +#define __ACPI_I2C_H + +#include <dm/acpi.h> + +extern struct acpi_ops acpi_i2c_ops; + +int acpi_i2c_ofdata_to_platdata(struct udevice *dev); + +#endif diff --git a/drivers/i2c/i2c-cdns.c b/drivers/i2c/i2c-cdns.c index 024c63c4ea..7144d39984 100644 --- a/drivers/i2c/i2c-cdns.c +++ b/drivers/i2c/i2c-cdns.c @@ -500,7 +500,7 @@ static const struct udevice_id cdns_i2c_of_match[] = { }; U_BOOT_DRIVER(cdns_i2c) = { - .name = "i2c-cdns", + .name = "i2c_cdns", .id = UCLASS_I2C, .of_match = cdns_i2c_of_match, .ofdata_to_platdata = cdns_i2c_ofdata_to_platdata, diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c index 2373aa2ea4..5c4626b044 100644 --- a/drivers/i2c/i2c-uclass.c +++ b/drivers/i2c/i2c-uclass.c @@ -9,6 +9,8 @@ #include <i2c.h> #include <log.h> #include <malloc.h> +#include <acpi/acpi_device.h> +#include <dm/acpi.h> #include <dm/device-internal.h> #include <dm/lists.h> #include <dm/pinctrl.h> @@ -16,6 +18,7 @@ #include <asm/gpio.h> #endif #include <linux/delay.h> +#include "acpi_i2c.h" #define I2C_MAX_OFFSET_LEN 4 @@ -749,7 +752,21 @@ UCLASS_DRIVER(i2c_generic) = { .name = "i2c_generic", }; +static const struct udevice_id generic_chip_i2c_ids[] = { + { .compatible = "i2c-chip", .data = I2C_DEVICE_GENERIC }, +#if CONFIG_IS_ENABLED(ACPIGEN) + { .compatible = "hid-over-i2c", .data = I2C_DEVICE_HID_OVER_I2C }, +#endif + { } +}; + U_BOOT_DRIVER(i2c_generic_chip_drv) = { .name = "i2c_generic_chip_drv", .id = UCLASS_I2C_GENERIC, + .of_match = generic_chip_i2c_ids, +#if CONFIG_IS_ENABLED(ACPIGEN) + .ofdata_to_platdata = acpi_i2c_ofdata_to_platdata, + .priv_auto_alloc_size = sizeof(struct acpi_i2c_priv), +#endif + ACPI_OPS_PTR(&acpi_i2c_ops) }; diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index e3d980a9df..7609594bd0 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -941,7 +941,8 @@ static int mxc_i2c_probe(struct udevice *bus) */ ret = fdt_stringlist_search(fdt, node, "pinctrl-names", "gpio"); if (ret < 0) { - debug("i2c bus %d at 0x%2lx, no gpio pinctrl state.\n", bus->seq, i2c_bus->base); + debug("i2c bus %d at 0x%2lx, no gpio pinctrl state.\n", + bus->seq, i2c_bus->base); } else { ret = gpio_request_by_name_nodev(offset_to_ofnode(node), "scl-gpios", 0, &i2c_bus->scl_gpio, @@ -952,7 +953,9 @@ static int mxc_i2c_probe(struct udevice *bus) if (!dm_gpio_is_valid(&i2c_bus->sda_gpio) || !dm_gpio_is_valid(&i2c_bus->scl_gpio) || ret || ret2) { - dev_err(dev, "i2c bus %d at %lu, fail to request scl/sda gpio\n", bus->seq, i2c_bus->base); + dev_err(bus, + "i2c bus %d at %lu, fail to request scl/sda gpio\n", + bus->seq, i2c_bus->base); return -EINVAL; } } diff --git a/drivers/mailbox/k3-sec-proxy.c b/drivers/mailbox/k3-sec-proxy.c index 3f9afaed32..27ccc6eab0 100644 --- a/drivers/mailbox/k3-sec-proxy.c +++ b/drivers/mailbox/k3-sec-proxy.c @@ -212,14 +212,16 @@ static int k3_sec_proxy_send(struct mbox_chan *chan, const void *data) ret = k3_sec_proxy_verify_thread(spt, THREAD_IS_TX); if (ret) { - dev_err(dev, "%s: Thread%d verification failed. ret = %d\n", + dev_err(chan->dev, + "%s: Thread%d verification failed. ret = %d\n", __func__, spt->id, ret); return ret; } /* Check the message size. */ if (msg->len > spm->desc->max_msg_size) { - printf("%s: Thread %ld message length %zu > max msg size %d\n", + dev_err(chan->dev, + "%s: Thread %ld message length %zu > max msg size %d\n", __func__, chan->id, msg->len, spm->desc->max_msg_size); return -EINVAL; } diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c index b8bf356b4a..81a4115986 100644 --- a/drivers/mailbox/stm32-ipcc.c +++ b/drivers/mailbox/stm32-ipcc.c @@ -101,9 +101,8 @@ static int stm32_ipcc_probe(struct udevice *dev) { struct stm32_ipcc *ipcc = dev_get_priv(dev); fdt_addr_t addr; - const fdt32_t *cell; struct clk clk; - int len, ret; + int ret; debug("%s(dev=%p)\n", __func__, dev); @@ -114,14 +113,12 @@ static int stm32_ipcc_probe(struct udevice *dev) ipcc->reg_base = (void __iomem *)addr; /* proc_id */ - cell = dev_read_prop(dev, "st,proc_id", &len); - if (len < sizeof(fdt32_t)) { + ret = dev_read_u32_index(dev, "st,proc_id", 1, &ipcc->proc_id); + if (ret) { dev_dbg(dev, "Missing st,proc_id\n"); return -EINVAL; } - ipcc->proc_id = fdtdec_get_number(cell, 1); - if (ipcc->proc_id >= STM32_MAX_PROCS) { dev_err(dev, "Invalid proc_id (%d)\n", ipcc->proc_id); return -EINVAL; diff --git a/drivers/mailbox/zynqmp-ipi.c b/drivers/mailbox/zynqmp-ipi.c index 746377e557..9483ed9cef 100644 --- a/drivers/mailbox/zynqmp-ipi.c +++ b/drivers/mailbox/zynqmp-ipi.c @@ -133,7 +133,7 @@ struct mbox_ops zynqmp_ipi_mbox_ops = { }; U_BOOT_DRIVER(zynqmp_ipi) = { - .name = "zynqmp-ipi", + .name = "zynqmp_ipi", .id = UCLASS_MAILBOX, .of_match = zynqmp_ipi_ids, .probe = zynqmp_ipi_probe, diff --git a/drivers/mmc/atmel_sdhci.c b/drivers/mmc/atmel_sdhci.c index 0c53caf448..f56ae63bc2 100644 --- a/drivers/mmc/atmel_sdhci.c +++ b/drivers/mmc/atmel_sdhci.c @@ -79,14 +79,20 @@ static int atmel_sdhci_probe(struct udevice *dev) if (ret) return ret; - ret = clk_set_rate(&clk, ATMEL_SDHC_GCK_RATE); - if (ret) - return ret; + clk_set_rate(&clk, ATMEL_SDHC_GCK_RATE); max_clk = clk_get_rate(&clk); if (!max_clk) return -EINVAL; + ret = clk_enable(&clk); + if (ret) + return ret; + + ret = mmc_of_parse(dev, &plat->cfg); + if (ret) + return ret; + host->max_clk = max_clk; host->mmc = &plat->mmc; host->mmc->dev = dev; @@ -113,6 +119,7 @@ static int atmel_sdhci_bind(struct udevice *dev) static const struct udevice_id atmel_sdhci_ids[] = { { .compatible = "atmel,sama5d2-sdhci" }, { .compatible = "microchip,sam9x60-sdhci" }, + { .compatible = "microchip,sama7g5-sdhci" }, { } }; diff --git a/drivers/mmc/bcm2835_sdhost.c b/drivers/mmc/bcm2835_sdhost.c index b793028ab5..ea8b385d7e 100644 --- a/drivers/mmc/bcm2835_sdhost.c +++ b/drivers/mmc/bcm2835_sdhost.c @@ -185,22 +185,22 @@ struct bcm2835_host { static void bcm2835_dumpregs(struct bcm2835_host *host) { - dev_dbg(dev, "=========== REGISTER DUMP ===========\n"); - dev_dbg(dev, "SDCMD 0x%08x\n", readl(host->ioaddr + SDCMD)); - dev_dbg(dev, "SDARG 0x%08x\n", readl(host->ioaddr + SDARG)); - dev_dbg(dev, "SDTOUT 0x%08x\n", readl(host->ioaddr + SDTOUT)); - dev_dbg(dev, "SDCDIV 0x%08x\n", readl(host->ioaddr + SDCDIV)); - dev_dbg(dev, "SDRSP0 0x%08x\n", readl(host->ioaddr + SDRSP0)); - dev_dbg(dev, "SDRSP1 0x%08x\n", readl(host->ioaddr + SDRSP1)); - dev_dbg(dev, "SDRSP2 0x%08x\n", readl(host->ioaddr + SDRSP2)); - dev_dbg(dev, "SDRSP3 0x%08x\n", readl(host->ioaddr + SDRSP3)); - dev_dbg(dev, "SDHSTS 0x%08x\n", readl(host->ioaddr + SDHSTS)); - dev_dbg(dev, "SDVDD 0x%08x\n", readl(host->ioaddr + SDVDD)); - dev_dbg(dev, "SDEDM 0x%08x\n", readl(host->ioaddr + SDEDM)); - dev_dbg(dev, "SDHCFG 0x%08x\n", readl(host->ioaddr + SDHCFG)); - dev_dbg(dev, "SDHBCT 0x%08x\n", readl(host->ioaddr + SDHBCT)); - dev_dbg(dev, "SDHBLC 0x%08x\n", readl(host->ioaddr + SDHBLC)); - dev_dbg(dev, "===========================================\n"); + dev_dbg(host->dev, "=========== REGISTER DUMP ===========\n"); + dev_dbg(host->dev, "SDCMD 0x%08x\n", readl(host->ioaddr + SDCMD)); + dev_dbg(host->dev, "SDARG 0x%08x\n", readl(host->ioaddr + SDARG)); + dev_dbg(host->dev, "SDTOUT 0x%08x\n", readl(host->ioaddr + SDTOUT)); + dev_dbg(host->dev, "SDCDIV 0x%08x\n", readl(host->ioaddr + SDCDIV)); + dev_dbg(host->dev, "SDRSP0 0x%08x\n", readl(host->ioaddr + SDRSP0)); + dev_dbg(host->dev, "SDRSP1 0x%08x\n", readl(host->ioaddr + SDRSP1)); + dev_dbg(host->dev, "SDRSP2 0x%08x\n", readl(host->ioaddr + SDRSP2)); + dev_dbg(host->dev, "SDRSP3 0x%08x\n", readl(host->ioaddr + SDRSP3)); + dev_dbg(host->dev, "SDHSTS 0x%08x\n", readl(host->ioaddr + SDHSTS)); + dev_dbg(host->dev, "SDVDD 0x%08x\n", readl(host->ioaddr + SDVDD)); + dev_dbg(host->dev, "SDEDM 0x%08x\n", readl(host->ioaddr + SDEDM)); + dev_dbg(host->dev, "SDHCFG 0x%08x\n", readl(host->ioaddr + SDHCFG)); + dev_dbg(host->dev, "SDHBCT 0x%08x\n", readl(host->ioaddr + SDHBCT)); + dev_dbg(host->dev, "SDHBLC 0x%08x\n", readl(host->ioaddr + SDHBLC)); + dev_dbg(host->dev, "===========================================\n"); } static void bcm2835_reset_internal(struct bcm2835_host *host) @@ -738,7 +738,7 @@ static void bcm2835_add_host(struct bcm2835_host *host) cfg->f_min = host->max_clk / SDCDIV_MAX_CDIV; cfg->b_max = 65535; - dev_dbg(dev, "f_max %d, f_min %d\n", + dev_dbg(host->dev, "f_max %d, f_min %d\n", cfg->f_max, cfg->f_min); /* host controller capabilities */ diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index bd1fb09d1c..30fe7a0aa2 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -774,7 +774,8 @@ static void msdc_set_buswidth(struct msdc_host *host, u32 width) writel(val, &host->base->sdc_cfg); } -static void msdc_set_mclk(struct msdc_host *host, enum bus_mode timing, u32 hz) +static void msdc_set_mclk(struct udevice *dev, + struct msdc_host *host, enum bus_mode timing, u32 hz) { u32 mode; u32 div; @@ -897,7 +898,7 @@ static int msdc_ops_set_ios(struct udevice *dev) clock = mmc->cfg->f_min; if (host->mclk != clock || host->timing != mmc->selected_mode) - msdc_set_mclk(host, mmc->selected_mode, clock); + msdc_set_mclk(dev, host, mmc->selected_mode, clock); return 0; } @@ -957,7 +958,8 @@ static int get_delay_len(u32 delay, u32 start_bit) return PAD_DELAY_MAX - start_bit; } -static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay) +static struct msdc_delay_phase get_best_delay(struct udevice *dev, + struct msdc_host *host, u32 delay) { int start = 0, len = 0; int start_final = 0, len_final = 0; @@ -1067,7 +1069,7 @@ static int hs400_tune_response(struct udevice *dev, u32 opcode) } } - final_cmd_delay = get_best_delay(host, cmd_delay); + final_cmd_delay = get_best_delay(dev, host, cmd_delay); clrsetbits_le32(tune_reg, PAD_CMD_TUNE_RX_DLY3, final_cmd_delay.final_phase << PAD_CMD_TUNE_RX_DLY3_S); @@ -1117,7 +1119,7 @@ static int msdc_tune_response(struct udevice *dev, u32 opcode) } } - final_rise_delay = get_best_delay(host, rise_delay); + final_rise_delay = get_best_delay(dev, host, rise_delay); /* if rising edge has enough margin, do not scan falling edge */ if (final_rise_delay.maxlen >= 12 || (final_rise_delay.start == 0 && final_rise_delay.maxlen >= 4)) @@ -1139,7 +1141,7 @@ static int msdc_tune_response(struct udevice *dev, u32 opcode) } } - final_fall_delay = get_best_delay(host, fall_delay); + final_fall_delay = get_best_delay(dev, host, fall_delay); skip_fall: final_maxlen = max(final_rise_delay.maxlen, final_fall_delay.maxlen); @@ -1171,7 +1173,7 @@ skip_fall: dev_err(dev, "Final internal delay: 0x%x\n", internal_delay); - internal_delay_phase = get_best_delay(host, internal_delay); + internal_delay_phase = get_best_delay(dev, host, internal_delay); clrsetbits_le32(tune_reg, MSDC_PAD_TUNE_CMDRRDLY_M, internal_delay_phase.final_phase << MSDC_PAD_TUNE_CMDRRDLY_S); @@ -1214,7 +1216,7 @@ static int msdc_tune_data(struct udevice *dev, u32 opcode) } } - final_rise_delay = get_best_delay(host, rise_delay); + final_rise_delay = get_best_delay(dev, host, rise_delay); if (final_rise_delay.maxlen >= 12 || (final_rise_delay.start == 0 && final_rise_delay.maxlen >= 4)) goto skip_fall; @@ -1237,7 +1239,7 @@ static int msdc_tune_data(struct udevice *dev, u32 opcode) } } - final_fall_delay = get_best_delay(host, fall_delay); + final_fall_delay = get_best_delay(dev, host, fall_delay); skip_fall: final_maxlen = max(final_rise_delay.maxlen, final_fall_delay.maxlen); @@ -1293,7 +1295,7 @@ static int msdc_tune_together(struct udevice *dev, u32 opcode) rise_delay |= (1 << i); } - final_rise_delay = get_best_delay(host, rise_delay); + final_rise_delay = get_best_delay(dev, host, rise_delay); if (final_rise_delay.maxlen >= 12 || (final_rise_delay.start == 0 && final_rise_delay.maxlen >= 4)) goto skip_fall; @@ -1309,7 +1311,7 @@ static int msdc_tune_together(struct udevice *dev, u32 opcode) fall_delay |= (1 << i); } - final_fall_delay = get_best_delay(host, fall_delay); + final_fall_delay = get_best_delay(dev, host, fall_delay); skip_fall: final_maxlen = max(final_rise_delay.maxlen, final_fall_delay.maxlen); diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index e9381b9493..775c17baac 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -191,7 +191,7 @@ static void arasan_sdhci_set_control_reg(struct sdhci_host *host) #if defined(CONFIG_ARCH_ZYNQMP) const struct sdhci_ops arasan_ops = { - .platform_execute_tuning = &arasan_sdhci_execute_tuning, + .platform_execute_tuning = &arasan_sdhci_execute_tuning, .set_delay = &arasan_sdhci_set_tapdelay, .set_control_reg = &arasan_sdhci_set_control_reg, }; diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 06b2ff972c..df4cbd52cf 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -233,7 +233,7 @@ endif config NAND_ARASAN bool "Configure Arasan Nand" select SYS_NAND_SELF_INIT - select DM_MTD + depends on DM_MTD imply CMD_NAND help This enables Nand driver support for Arasan nand flash diff --git a/drivers/mtd/nand/raw/arasan_nfc.c b/drivers/mtd/nand/raw/arasan_nfc.c index 6c1d64054c..0615e50378 100644 --- a/drivers/mtd/nand/raw/arasan_nfc.c +++ b/drivers/mtd/nand/raw/arasan_nfc.c @@ -1306,7 +1306,7 @@ static const struct udevice_id arasan_nand_dt_ids[] = { }; U_BOOT_DRIVER(arasan_nand) = { - .name = "arasan-nand", + .name = "arasan_nand", .id = UCLASS_MTD, .of_match = arasan_nand_dt_ids, .probe = arasan_probe, diff --git a/drivers/mtd/nand/raw/atmel_nand.c b/drivers/mtd/nand/raw/atmel_nand.c index 5e95901e27..abc432c862 100644 --- a/drivers/mtd/nand/raw/atmel_nand.c +++ b/drivers/mtd/nand/raw/atmel_nand.c @@ -424,7 +424,8 @@ static int pmecc_err_location(struct mtd_info *mtd) } if (!timeout) { - dev_err(host->dev, "atmel_nand : Timeout to calculate PMECC error location\n"); + dev_err(mtd->dev, + "Timeout to calculate PMECC error location\n"); return -1; } @@ -464,7 +465,8 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc, *(buf + byte_pos) ^= (1 << bit_pos); pos = sector_num * host->pmecc_sector_size + byte_pos; - dev_dbg(host->dev, "Bit flip in data area, byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n", + dev_dbg(mtd->dev, + "Bit flip in data area, byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n", pos, bit_pos, err_byte, *(buf + byte_pos)); } else { /* Bit flip in OOB area */ @@ -474,7 +476,8 @@ static void pmecc_correct_data(struct mtd_info *mtd, uint8_t *buf, uint8_t *ecc, ecc[tmp] ^= (1 << bit_pos); pos = tmp + nand_chip->ecc.layout->eccpos[0]; - dev_dbg(host->dev, "Bit flip in OOB, oob_byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n", + dev_dbg(mtd->dev, + "Bit flip in OOB, oob_byte_pos: %d, bit_pos: %d, 0x%02x -> 0x%02x\n", pos, bit_pos, err_byte, ecc[tmp]); } @@ -516,7 +519,7 @@ normal_check: err_nbr = pmecc_err_location(mtd); if (err_nbr == -1) { - dev_err(host->dev, "PMECC: Too many errors\n"); + dev_err(mtd->dev, "PMECC: Too many errors\n"); mtd->ecc_stats.failed++; return -EBADMSG; } else { @@ -560,7 +563,7 @@ static int atmel_nand_pmecc_read_page(struct mtd_info *mtd, } if (!timeout) { - dev_err(host->dev, "atmel_nand : Timeout to read PMECC page\n"); + dev_err(mtd->dev, "Timeout to read PMECC page\n"); return -1; } @@ -600,7 +603,8 @@ static int atmel_nand_pmecc_write_page(struct mtd_info *mtd, } if (!timeout) { - dev_err(host->dev, "atmel_nand : Timeout to read PMECC status, fail to write PMECC in oob\n"); + dev_err(mtd->dev, + "Timeout to read PMECC status, fail to write PMECC in oob\n"); goto out; } @@ -713,7 +717,8 @@ static int pmecc_choose_ecc(struct atmel_nand_host *host, if (*cap == 0 && *sector_size == 0) { /* Non-ONFI compliant */ - dev_info(host->dev, "NAND chip is not ONFI compliant, assume ecc_bits is 2 in 512 bytes\n"); + dev_info(chip->mtd.dev, + "NAND chip is not ONFI compliant, assume ecc_bits is 2 in 512 bytes\n"); *cap = 2; *sector_size = 512; } @@ -835,17 +840,20 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand, * from ONFI. */ if (pmecc_choose_ecc(host, nand, &cap, §or_size)) { - dev_err(host->dev, "Required ECC %d bits in %d bytes not supported!\n", + dev_err(mtd->dev, + "Required ECC %d bits in %d bytes not supported!\n", cap, sector_size); return -EINVAL; } if (cap > host->pmecc_corr_cap) - dev_info(host->dev, "WARNING: Using different ecc correct bits(%d bit) from Nand ONFI ECC reqirement (%d bit).\n", - host->pmecc_corr_cap, cap); + dev_info(mtd->dev, + "WARNING: Using different ecc correct bits(%d bit) from Nand ONFI ECC reqirement (%d bit).\n", + host->pmecc_corr_cap, cap); if (sector_size < host->pmecc_sector_size) - dev_info(host->dev, "WARNING: Using different ecc correct sector size (%d bytes) from Nand ONFI ECC reqirement (%d bytes).\n", - host->pmecc_sector_size, sector_size); + dev_info(mtd->dev, + "WARNING: Using different ecc correct sector size (%d bytes) from Nand ONFI ECC reqirement (%d bytes).\n", + host->pmecc_sector_size, sector_size); #else /* CONFIG_SYS_NAND_ONFI_DETECTION */ host->pmecc_corr_cap = CONFIG_PMECC_CAP; host->pmecc_sector_size = CONFIG_PMECC_SECTOR_SIZE; @@ -877,7 +885,7 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand, #if defined(NO_GALOIS_TABLE_IN_ROM) pmecc_galois_table = create_lookup_table(host->pmecc_sector_size); if (!pmecc_galois_table) { - dev_err(host->dev, "out of memory\n"); + dev_err(mtd->dev, "out of memory\n"); return -ENOMEM; } @@ -909,13 +917,14 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand, host->pmecc_sector_number; if (nand->ecc.bytes > MTD_MAX_ECCPOS_ENTRIES_LARGE) { - dev_err(host->dev, "too large eccpos entries. max support ecc.bytes is %d\n", - MTD_MAX_ECCPOS_ENTRIES_LARGE); + dev_err(mtd->dev, + "too large eccpos entries. max support ecc.bytes is %d\n", + MTD_MAX_ECCPOS_ENTRIES_LARGE); return -EINVAL; } if (nand->ecc.bytes > mtd->oobsize - PMECC_OOB_RESERVED_BYTES) { - dev_err(host->dev, "No room for ECC bytes\n"); + dev_err(mtd->dev, "No room for ECC bytes\n"); return -EINVAL; } pmecc_config_ecc_layout(&atmel_pmecc_oobinfo, @@ -926,7 +935,8 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand, case 512: case 1024: /* TODO */ - dev_err(host->dev, "Unsupported page size for PMECC, use Software ECC\n"); + dev_err(mtd->dev, + "Unsupported page size for PMECC, use Software ECC\n"); default: /* page size not handled by HW ECC */ /* switching back to soft ECC */ @@ -940,7 +950,8 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand, /* Allocate data for PMECC computation */ if (pmecc_data_alloc(host)) { - dev_err(host->dev, "Cannot allocate memory for PMECC computation!\n"); + dev_err(mtd->dev, + "Cannot allocate memory for PMECC computation!\n"); return -ENOMEM; } @@ -951,7 +962,7 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand, /* Check the PMECC ip version */ host->pmecc_version = pmecc_readl(host->pmerrloc, version); - dev_dbg(host->dev, "PMECC IP version is: %x\n", host->pmecc_version); + dev_dbg(mtd->dev, "PMECC IP version is: %x\n", host->pmecc_version); atmel_pmecc_core_init(mtd); @@ -1114,8 +1125,8 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat, /* it doesn't seems to be a freshly * erased block. * We can't correct so many errors */ - dev_warn(host->dev, "atmel_nand : multiple errors detected." - " Unable to correct.\n"); + dev_warn(mtd->dev, + "multiple errors detected. Unable to correct.\n"); return -EBADMSG; } @@ -1124,15 +1135,14 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat, /* there's nothing much to do here. * the bit error is on the ECC itself. */ - dev_warn(host->dev, "atmel_nand : one bit error on ECC code." - " Nothing to correct\n"); + dev_warn(mtd->dev, + "one bit error on ECC code. Nothing to correct\n"); return 0; } - dev_warn(host->dev, "atmel_nand : one bit error on data." - " (word offset in the page :" - " 0x%x bit offset : 0x%x)\n", - ecc_word, ecc_bit); + dev_warn(mtd->dev, + "one bit error on data. (word offset in the page : 0x%x bit offset : 0x%x)\n", + ecc_word, ecc_bit); /* correct the error */ if (nand_chip->options & NAND_BUSWIDTH_16) { /* 16 bits words */ @@ -1141,7 +1151,7 @@ static int atmel_nand_correct(struct mtd_info *mtd, u_char *dat, /* 8 bits words */ dat[ecc_word] ^= (1 << ecc_bit); } - dev_warn(host->dev, "atmel_nand : error corrected\n"); + dev_warn(mtd->dev, "error corrected\n"); return 1; } @@ -1511,7 +1521,6 @@ void board_nand_init(void) int i; for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) if (atmel_nand_chip_init(i, base_addr[i])) - dev_err(host->dev, "atmel_nand: Fail to initialize #%d chip", - i); + log_err("atmel_nand: Fail to initialize #%d chip", i); } #endif /* CONFIG_SPL_BUILD */ diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 48c0ca69de..7349a9bc99 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -956,7 +956,7 @@ static struct nand_ecclayout *brcmnand_create_layout(int ecc_level, */ req = DIV_ROUND_UP(ecc_level * 14, 8); if (req >= sas) { - dev_err(&host->pdev->dev, + dev_err(host->pdev, "error: ECC too large for OOB (ECC bytes %d, spare sector %d)\n", req, sas); return NULL; @@ -1012,8 +1012,8 @@ static struct nand_ecclayout *brcmstb_choose_ecc_layout( layout = brcmnand_create_layout(ecc_level, host); if (!layout) { - dev_err(&host->pdev->dev, - "no proper ecc_layout for this NAND cfg\n"); + dev_err(host->pdev, + "no proper ecc_layout for this NAND cfg\n"); return NULL; } @@ -1056,17 +1056,9 @@ static void brcmnand_wp(struct mtd_info *mtd, int wp) NAND_CTRL_RDY | NAND_STATUS_READY | (wp ? 0 : NAND_STATUS_WP), 0); -#ifndef __UBOOT__ - if (ret) - dev_err_ratelimited(&host->pdev->dev, - "nand #WP expected %s\n", - wp ? "on" : "off"); -#else if (ret) - dev_err(&host->pdev->dev, - "nand #WP expected %s\n", - wp ? "on" : "off"); -#endif /* __UBOOT__ */ + dev_err(host->pdev, "nand #WP expected %s\n", + wp ? "on" : "off"); } } @@ -2257,7 +2249,7 @@ static int brcmnand_init_cs(struct brcmnand_host *host, ofnode dn) ret = ofnode_read_s32(dn, "reg", &host->cs); #endif if (ret) { - dev_err(&pdev->dev, "can't get chip-select\n"); + dev_err(pdev, "can't get chip-select\n"); return -ENXIO; } diff --git a/drivers/mtd/nand/raw/pxa3xx_nand.c b/drivers/mtd/nand/raw/pxa3xx_nand.c index a30e82166b..5fb3081c83 100644 --- a/drivers/mtd/nand/raw/pxa3xx_nand.c +++ b/drivers/mtd/nand/raw/pxa3xx_nand.c @@ -512,7 +512,7 @@ static int pxa3xx_nand_init_timings(struct pxa3xx_nand_host *host) } if (i == ntypes) { - dev_err(&info->pdev->dev, "Error: timings not found\n"); + dev_err(mtd->dev, "Error: timings not found\n"); return -EINVAL; } @@ -603,7 +603,7 @@ static void drain_fifo(struct pxa3xx_nand_info *info, void *data, int len) ts = get_timer(0); while (!(nand_readl(info, NDSR) & NDSR_RDDREQ)) { if (get_timer(ts) > TIMEOUT_DRAIN_FIFO) { - dev_err(&info->pdev->dev, + dev_err(info->controller.active->mtd.dev, "Timeout on RDDREQ while draining the FIFO\n"); return; } @@ -656,8 +656,8 @@ static void handle_data_pio(struct pxa3xx_nand_info *info) DIV_ROUND_UP(info->step_spare_size, 4)); break; default: - dev_err(&info->pdev->dev, "%s: invalid state %d\n", __func__, - info->state); + dev_err(info->controller.active->mtd.dev, + "%s: invalid state %d\n", __func__, info->state); BUG(); } @@ -1027,7 +1027,7 @@ static int prepare_set_command(struct pxa3xx_nand_info *info, int command, default: exec_cmd = 0; - dev_err(&info->pdev->dev, "non-supported command %x\n", + dev_err(mtd->dev, "non-supported command %x\n", command); break; } @@ -1087,7 +1087,7 @@ static void nand_cmdfunc(struct mtd_info *mtd, unsigned command, break; if (get_timer(ts) > CHIP_DELAY_TIMEOUT) { - dev_err(&info->pdev->dev, "Wait timeout!!!\n"); + dev_err(mtd->dev, "Wait timeout!!!\n"); return; } } @@ -1180,7 +1180,7 @@ static void nand_cmdfunc_extended(struct mtd_info *mtd, break; if (get_timer(ts) > CHIP_DELAY_TIMEOUT) { - dev_err(&info->pdev->dev, "Wait timeout!!!\n"); + dev_err(mtd->dev, "Wait timeout!!!\n"); return; } } @@ -1426,7 +1426,7 @@ static int pxa3xx_nand_waitfunc(struct mtd_info *mtd, struct nand_chip *this) break; if (get_timer(ts) > CHIP_DELAY_TIMEOUT) { - dev_err(&info->pdev->dev, "Ready timeout!!!\n"); + dev_err(mtd->dev, "Ready timeout!!!\n"); return NAND_STATUS_FAIL; } } @@ -1633,7 +1633,7 @@ static int pxa_ecc_init(struct pxa3xx_nand_info *info, ecc->strength = 16; } else { - dev_err(&info->pdev->dev, + dev_err(info->controller.active->mtd.dev, "ECC strength %d at page size %d is not supported\n", strength, page_size); return -ENODEV; @@ -1659,8 +1659,7 @@ static int pxa3xx_nand_scan(struct mtd_info *mtd) return ret; ret = pxa3xx_nand_sensing(host); if (ret) { - dev_info(&info->pdev->dev, - "There is no chip on cs %d!\n", + dev_info(mtd->dev, "There is no chip on cs %d!\n", info->cs); return ret; } @@ -1676,7 +1675,7 @@ static int pxa3xx_nand_scan(struct mtd_info *mtd) if (!pdata->keep_config) { ret = pxa3xx_nand_init_timings(host); if (ret) { - dev_err(&info->pdev->dev, + dev_err(mtd->dev, "Failed to set timings: %d\n", ret); return ret; } @@ -1720,7 +1719,7 @@ static int pxa3xx_nand_scan(struct mtd_info *mtd) if (info->variant == PXA3XX_NAND_VARIANT_ARMADA370) { chip->cmdfunc = nand_cmdfunc_extended; } else { - dev_err(&info->pdev->dev, + dev_err(mtd->dev, "unsupported page size on this variant\n"); return -ENODEV; } @@ -1873,6 +1872,7 @@ static int pxa3xx_nand_probe_dt(struct pxa3xx_nand_info *info) static int pxa3xx_nand_probe(struct pxa3xx_nand_info *info) { + struct mtd_info *mtd = &info->controller.active->mtd; struct pxa3xx_nand_platform_data *pdata; int ret, cs, probe_success; @@ -1884,7 +1884,7 @@ static int pxa3xx_nand_probe(struct pxa3xx_nand_info *info) ret = alloc_nand_resource(info); if (ret) { - dev_err(&pdev->dev, "alloc nand resource failed\n"); + dev_err(mtd->dev, "alloc nand resource failed\n"); return ret; } @@ -1901,7 +1901,7 @@ static int pxa3xx_nand_probe(struct pxa3xx_nand_info *info) info->cs = cs; ret = pxa3xx_nand_scan(mtd); if (ret) { - dev_info(&pdev->dev, "failed to scan nand at cs %d\n", + dev_info(mtd->dev, "failed to scan nand at cs %d\n", cs); continue; } diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 004b6f17a5..12fc065b32 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -1226,7 +1226,8 @@ static int _sunxi_nand_lookup_timing(const s32 *lut, int lut_size, u32 duration, #define sunxi_nand_lookup_timing(l, p, c) \ _sunxi_nand_lookup_timing(l, ARRAY_SIZE(l), p, c) -static int sunxi_nand_chip_set_timings(struct sunxi_nand_chip *chip, +static int sunxi_nand_chip_set_timings(struct sunxi_nfc *nfc, + struct sunxi_nand_chip *chip, const struct nand_sdr_timings *timings) { u32 min_clk_period = 0; @@ -1349,7 +1350,8 @@ static int sunxi_nand_chip_set_timings(struct sunxi_nand_chip *chip, return 0; } -static int sunxi_nand_chip_init_timings(struct sunxi_nand_chip *chip) +static int sunxi_nand_chip_init_timings(struct sunxi_nfc *nfc, + struct sunxi_nand_chip *chip) { struct mtd_info *mtd = nand_to_mtd(&chip->nand); const struct nand_sdr_timings *timings; @@ -1384,7 +1386,7 @@ static int sunxi_nand_chip_init_timings(struct sunxi_nand_chip *chip) if (IS_ERR(timings)) return PTR_ERR(timings); - return sunxi_nand_chip_set_timings(chip, timings); + return sunxi_nand_chip_set_timings(nfc, chip, timings); } static int sunxi_nand_hw_common_ecc_ctrl_init(struct mtd_info *mtd, @@ -1423,7 +1425,7 @@ static int sunxi_nand_hw_common_ecc_ctrl_init(struct mtd_info *mtd, } if (i >= ARRAY_SIZE(strengths)) { - dev_err(nfc->dev, "unsupported strength\n"); + dev_err(mtd->dev, "unsupported strength\n"); ret = -ENOTSUPP; goto err; } @@ -1619,7 +1621,7 @@ static int sunxi_nand_chip_init(int node, struct sunxi_nfc *nfc, int devnum) nsels /= sizeof(u32); if (!nsels || nsels > 8) { - dev_err(dev, "invalid reg property size\n"); + dev_err(nfc->dev, "invalid reg property size\n"); return -EINVAL; } @@ -1627,7 +1629,7 @@ static int sunxi_nand_chip_init(int node, struct sunxi_nfc *nfc, int devnum) (nsels * sizeof(struct sunxi_nand_chip_sel)), GFP_KERNEL); if (!chip) { - dev_err(dev, "could not allocate chip\n"); + dev_err(nfc->dev, "could not allocate chip\n"); return -ENOMEM; } @@ -1641,14 +1643,14 @@ static int sunxi_nand_chip_init(int node, struct sunxi_nfc *nfc, int devnum) ret = fdtdec_get_int_array(gd->fdt_blob, node, "reg", cs, nsels); if (ret) { - dev_err(dev, "could not retrieve reg property: %d\n", ret); + dev_err(nfc->dev, "could not retrieve reg property: %d\n", ret); return ret; } ret = fdtdec_get_int_array(gd->fdt_blob, node, "allwinner,rb", rb, nsels); if (ret) { - dev_err(dev, "could not retrieve reg property: %d\n", ret); + dev_err(nfc->dev, "could not retrieve reg property: %d\n", ret); return ret; } @@ -1656,14 +1658,13 @@ static int sunxi_nand_chip_init(int node, struct sunxi_nfc *nfc, int devnum) int tmp = cs[i]; if (tmp > NFC_MAX_CS) { - dev_err(dev, - "invalid reg value: %u (max CS = 7)\n", - tmp); + dev_err(nfc->dev, + "invalid reg value: %u (max CS = 7)\n", tmp); return -EINVAL; } if (test_and_set_bit(tmp, &nfc->assigned_cs)) { - dev_err(dev, "CS %d already assigned\n", tmp); + dev_err(nfc->dev, "CS %d already assigned\n", tmp); return -EINVAL; } @@ -1688,15 +1689,15 @@ static int sunxi_nand_chip_init(int node, struct sunxi_nfc *nfc, int devnum) timings = onfi_async_timing_mode_to_sdr_timings(0); if (IS_ERR(timings)) { ret = PTR_ERR(timings); - dev_err(dev, + dev_err(nfc->dev, "could not retrieve timings for ONFI mode 0: %d\n", ret); return ret; } - ret = sunxi_nand_chip_set_timings(chip, timings); + ret = sunxi_nand_chip_set_timings(nfc, chip, timings); if (ret) { - dev_err(dev, "could not configure chip timings: %d\n", ret); + dev_err(nfc->dev, "could not configure chip timings: %d\n", ret); return ret; } @@ -1729,27 +1730,27 @@ static int sunxi_nand_chip_init(int node, struct sunxi_nfc *nfc, int devnum) nand->options |= NAND_SUBPAGE_READ; - ret = sunxi_nand_chip_init_timings(chip); + ret = sunxi_nand_chip_init_timings(nfc, chip); if (ret) { - dev_err(dev, "could not configure chip timings: %d\n", ret); + dev_err(nfc->dev, "could not configure chip timings: %d\n", ret); return ret; } ret = sunxi_nand_ecc_init(mtd, &nand->ecc); if (ret) { - dev_err(dev, "ECC init failed: %d\n", ret); + dev_err(nfc->dev, "ECC init failed: %d\n", ret); return ret; } ret = nand_scan_tail(mtd); if (ret) { - dev_err(dev, "nand_scan_tail failed: %d\n", ret); + dev_err(nfc->dev, "nand_scan_tail failed: %d\n", ret); return ret; } ret = nand_register(devnum, mtd); if (ret) { - dev_err(dev, "failed to register mtd device: %d\n", ret); + dev_err(nfc->dev, "failed to register mtd device: %d\n", ret); return ret; } @@ -1769,7 +1770,7 @@ static int sunxi_nand_chips_init(int node, struct sunxi_nfc *nfc) i++; if (i > 8) { - dev_err(dev, "too many NAND chips: %d (max = 8)\n", i); + dev_err(nfc->dev, "too many NAND chips: %d (max = 8)\n", i); return -EINVAL; } @@ -1841,7 +1842,7 @@ void sunxi_nand_init(void) ret = sunxi_nand_chips_init(node, nfc); if (ret) { - dev_err(dev, "failed to init nand chips\n"); + dev_err(nfc->dev, "failed to init nand chips\n"); goto err; } diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c index 52c8a94778..4e6fdc607f 100644 --- a/drivers/mtd/nand/raw/vf610_nfc.c +++ b/drivers/mtd/nand/raw/vf610_nfc.c @@ -152,6 +152,8 @@ enum vf610_nfc_alt_buf { struct vf610_nfc { struct nand_chip chip; + /* NULL without CONFIG_NAND_VF610_NFC_DT */ + struct udevice *dev; void __iomem *regs; uint buf_offset; int write_sz; @@ -631,11 +633,10 @@ struct vf610_nfc_config { int flash_bbt; }; -static int vf610_nfc_nand_init(int devnum, void __iomem *addr) +static int vf610_nfc_nand_init(struct vf610_nfc *nfc, int devnum) { - struct mtd_info *mtd; - struct nand_chip *chip; - struct vf610_nfc *nfc; + struct nand_chip *chip = &nfc->chip; + struct mtd_info *mtd = nand_to_mtd(chip); int err = 0; struct vf610_nfc_config cfg = { .hardware_ecc = 1, @@ -647,16 +648,6 @@ static int vf610_nfc_nand_init(int devnum, void __iomem *addr) .flash_bbt = 1, }; - nfc = calloc(1, sizeof(*nfc)); - if (!nfc) { - printf(KERN_ERR "%s: Memory exhausted!\n", __func__); - return -ENOMEM; - } - - chip = &nfc->chip; - nfc->regs = addr; - - mtd = nand_to_mtd(chip); nand_set_controller_data(chip, nfc); if (cfg.width == 16) @@ -777,20 +768,23 @@ static const struct udevice_id vf610_nfc_dt_ids[] = { static int vf610_nfc_dt_probe(struct udevice *dev) { struct resource res; + struct vf610_nfc *nfc = dev_get_priv(dev); int ret; ret = dev_read_resource(dev, 0, &res); if (ret) return ret; - return vf610_nfc_nand_init(0, devm_ioremap(dev, res.start, - resource_size(&res))); + nfc->regs = devm_ioremap(dev, res.start, resource_size(&res)); + nfc->dev = dev; + return vf610_nfc_nand_init(nfc, 0); } U_BOOT_DRIVER(vf610_nfc_dt) = { .name = "vf610-nfc-dt", .id = UCLASS_MTD, .of_match = vf610_nfc_dt_ids, + .priv_auto_alloc_size = sizeof(struct vf610_nfc), .probe = vf610_nfc_dt_probe, }; @@ -809,7 +803,17 @@ void board_nand_init(void) #else void board_nand_init(void) { - int err = vf610_nfc_nand_init(0, (void __iomem *)CONFIG_SYS_NAND_BASE); + int err; + struct vf610_nfc *nfc; + + nfc = calloc(1, sizeof(*nfc)); + if (!nfc) { + printf("%s: Out of memory\n", __func__); + return; + } + + nfc->regs = (void __iomem *)CONFIG_SYS_NAND_BASE; + err = vf610_nfc_nand_init(nfc, 0); if (err) printf("VF610 NAND init failed (err %d)\n", err); } diff --git a/drivers/mtd/nand/raw/zynq_nand.c b/drivers/mtd/nand/raw/zynq_nand.c index fa59455210..92db2aa19c 100644 --- a/drivers/mtd/nand/raw/zynq_nand.c +++ b/drivers/mtd/nand/raw/zynq_nand.c @@ -1282,7 +1282,7 @@ static const struct udevice_id zynq_nand_dt_ids[] = { }; U_BOOT_DRIVER(zynq_nand) = { - .name = "zynq-nand", + .name = "zynq_nand", .id = UCLASS_MTD, .of_match = zynq_nand_dt_ids, .probe = zynq_nand_probe, diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 93371fdde0..8c7e07d463 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -984,13 +984,13 @@ static int spinand_detect(struct spinand_device *spinand) ret = spinand_manufacturer_detect(spinand); if (ret) { - dev_err(dev, "unknown raw ID %*phN\n", SPINAND_MAX_ID_LEN, - spinand->id.data); + dev_err(spinand->slave->dev, "unknown raw ID %*phN\n", + SPINAND_MAX_ID_LEN, spinand->id.data); return ret; } if (nand->memorg.ntargets > 1 && !spinand->select_target) { - dev_err(dev, + dev_err(spinand->slave->dev, "SPI NANDs with more than one die must implement ->select_target()\n"); return -EINVAL; } @@ -1076,7 +1076,7 @@ static int spinand_init(struct spinand_device *spinand) ret = spinand_manufacturer_init(spinand); if (ret) { - dev_err(dev, + dev_err(spinand->slave->dev, "Failed to initialize the SPI NAND chip (err = %d)\n", ret); goto err_free_bufs; diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index 0113e70037..e16b0e1462 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -11,6 +11,7 @@ #include <common.h> #include <log.h> +#include <dm.h> #include <dm/device_compat.h> #include <dm/devres.h> #include <linux/bitops.h> diff --git a/drivers/mtd/spi/spi-nor-tiny.c b/drivers/mtd/spi/spi-nor-tiny.c index fa26ea33c8..07c8c7b82b 100644 --- a/drivers/mtd/spi/spi-nor-tiny.c +++ b/drivers/mtd/spi/spi-nor-tiny.c @@ -55,9 +55,19 @@ static int spi_nor_read_reg(struct spi_nor *nor, u8 code, u8 *val, int len) int ret; ret = spi_nor_read_write_reg(nor, &op, val); - if (ret < 0) - dev_dbg(&flash->spimem->spi->dev, "error %d reading %x\n", ret, + if (ret < 0) { + /* + * spi_slave does not have a struct udevice member without DM, + * so use the bus and cs instead. + */ +#if CONFIG_IS_ENABLED(DM_SPI) + dev_dbg(nor->spi->dev, "error %d reading %x\n", ret, code); +#else + log_debug("spi%u.%u: error %d reading %x\n", + nor->spi->bus, nor->spi->cs, ret, code); +#endif + } return ret; } @@ -512,7 +522,8 @@ static int spansion_read_cr_quad_enable(struct spi_nor *nor) /* Check current Quad Enable bit value. */ ret = read_cr(nor); if (ret < 0) { - dev_dbg(dev, "error while reading configuration register\n"); + dev_dbg(nor->dev, + "error while reading configuration register\n"); return -EINVAL; } @@ -524,7 +535,7 @@ static int spansion_read_cr_quad_enable(struct spi_nor *nor) /* Keep the current value of the Status Register. */ ret = read_sr(nor); if (ret < 0) { - dev_dbg(dev, "error while reading status register\n"); + dev_dbg(nor->dev, "error while reading status register\n"); return -EINVAL; } sr_cr[0] = ret; @@ -785,7 +796,7 @@ int spi_nor_scan(struct spi_nor *nor) } if (nor->addr_width > SPI_NOR_MAX_ADDR_WIDTH) { - dev_dbg(dev, "address width is too large: %u\n", + dev_dbg(nor->dev, "address width is too large: %u\n", nor->addr_width); return -EINVAL; } diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 039f9fb058..a0d2d21a55 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -432,6 +432,8 @@ config PCNET This driver supports AMD PCnet series fast ethernet family of PCI chipsets/adapters. +source "drivers/net/qe/Kconfig" + config RTL8139 bool "Realtek 8139 series Ethernet controller driver" help diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 1ecdc40b8f..03f01921ea 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -78,6 +78,7 @@ obj-$(CONFIG_VSC9953) += vsc9953.o obj-$(CONFIG_PIC32_ETH) += pic32_mdio.o pic32_eth.o obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o obj-$(CONFIG_FSL_PFE) += pfe_eth/ +obj-y += qe/ obj-$(CONFIG_SNI_AVE) += sni_ave.o obj-y += ti/ obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o diff --git a/drivers/net/bcm6368-eth.c b/drivers/net/bcm6368-eth.c index 648fafd3e0..38a2a30fe6 100644 --- a/drivers/net/bcm6368-eth.c +++ b/drivers/net/bcm6368-eth.c @@ -249,8 +249,7 @@ static int bcm6368_eth_adjust_link(struct udevice *dev) /* link changed */ if (!up) { - dev_info(&priv->pdev->dev, "link DOWN on %s\n", - port->name); + dev_info(dev, "link DOWN on %s\n", port->name); writeb_be(ETH_PORTOV_ENABLE_MASK, priv->base + ETH_PORTOV_REG(i)); writeb_be(ETH_PTCTRL_RXDIS_MASK | diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 810a2b95b1..db1102562f 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -26,6 +26,7 @@ * supports a single RGMII PHY. This configuration also has SW control over * all clock and reset signals to the HW block. */ + #include <common.h> #include <clk.h> #include <cpu_func.h> @@ -1893,8 +1894,7 @@ static phy_interface_t eqos_get_interface_stm32(struct udevice *dev) debug("%s(dev=%p):\n", __func__, dev); - phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode", - NULL); + phy_mode = dev_read_prop(dev, "phy-mode", NULL); if (phy_mode) interface = phy_get_interface_by_name(phy_mode); @@ -1931,8 +1931,7 @@ static phy_interface_t eqos_get_interface_imx(struct udevice *dev) debug("%s(dev=%p):\n", __func__, dev); - phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode", - NULL); + phy_mode = dev_read_prop(dev, "phy-mode", NULL); if (phy_mode) interface = phy_get_interface_by_name(phy_mode); diff --git a/drivers/net/fsl_mdio.c b/drivers/net/fsl_mdio.c index d2edd1751c..77f1a96a2e 100644 --- a/drivers/net/fsl_mdio.c +++ b/drivers/net/fsl_mdio.c @@ -11,6 +11,7 @@ #include <fsl_mdio.h> #include <asm/io.h> #include <linux/errno.h> +#include <tsec.h> #ifdef CONFIG_DM_MDIO struct tsec_mdio_priv { @@ -190,17 +191,30 @@ static const struct mdio_ops tsec_mdio_ops = { .reset = tsec_mdio_reset, }; +static struct fsl_pq_mdio_data etsec2_data = { + .mdio_regs_off = TSEC_MDIO_REGS_OFFSET, +}; + +static struct fsl_pq_mdio_data gianfar_data = { + .mdio_regs_off = 0x0, +}; + +static struct fsl_pq_mdio_data fman_data = { + .mdio_regs_off = 0x0, +}; + static const struct udevice_id tsec_mdio_ids[] = { - { .compatible = "fsl,gianfar-tbi" }, - { .compatible = "fsl,gianfar-mdio" }, - { .compatible = "fsl,etsec2-tbi" }, - { .compatible = "fsl,etsec2-mdio" }, - { .compatible = "fsl,fman-mdio" }, + { .compatible = "fsl,gianfar-tbi", .data = (ulong)&gianfar_data }, + { .compatible = "fsl,gianfar-mdio", .data = (ulong)&gianfar_data }, + { .compatible = "fsl,etsec2-tbi", .data = (ulong)&etsec2_data }, + { .compatible = "fsl,etsec2-mdio", .data = (ulong)&etsec2_data }, + { .compatible = "fsl,fman-mdio", .data = (ulong)&fman_data }, {} }; static int tsec_mdio_probe(struct udevice *dev) { + struct fsl_pq_mdio_data *data; struct tsec_mdio_priv *priv = (dev) ? dev_get_priv(dev) : NULL; struct mdio_perdev_priv *pdata = (dev) ? dev_get_uclass_priv(dev) : NULL; @@ -213,7 +227,9 @@ static int tsec_mdio_probe(struct udevice *dev) printf("dev_get_priv(dev %p) = NULL\n", dev); return -1; } - priv->regs = (void *)(uintptr_t)dev_read_addr(dev); + + data = (struct fsl_pq_mdio_data *)dev_get_driver_data(dev); + priv->regs = dev_remap_addr(dev) + data->mdio_regs_off; debug("%s priv %p @ regs %p, pdata %p\n", __func__, priv, priv->regs, pdata); diff --git a/drivers/net/ftgmac100.c b/drivers/net/ftgmac100.c index 5676a5b3ba..00bda24f1f 100644 --- a/drivers/net/ftgmac100.c +++ b/drivers/net/ftgmac100.c @@ -551,6 +551,10 @@ static int ftgmac100_probe(struct udevice *dev) priv->max_speed = pdata->max_speed; priv->phy_addr = 0; +#ifdef CONFIG_PHY_ADDR + priv->phy_addr = CONFIG_PHY_ADDR; +#endif + ret = clk_enable_bulk(&priv->clks); if (ret) goto out; diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index 4c7d06ca40..83f99e5d8a 100644 --- a/drivers/net/mvneta.c +++ b/drivers/net/mvneta.c @@ -625,9 +625,9 @@ static void mvneta_port_down(struct mvneta_port *pp) count = 0; do { if (count++ >= MVNETA_RX_DISABLE_TIMEOUT_MSEC) { - netdev_warn(pp->dev, - "TIMEOUT for RX stopped ! rx_queue_cmd: 0x08%x\n", - val); + dev_warn(pp->phydev->dev, + "TIMEOUT for RX stopped ! rx_queue_cmd: 0x08%x\n", + val); break; } mdelay(1); @@ -648,9 +648,9 @@ static void mvneta_port_down(struct mvneta_port *pp) count = 0; do { if (count++ >= MVNETA_TX_DISABLE_TIMEOUT_MSEC) { - netdev_warn(pp->dev, - "TIMEOUT for TX stopped status=0x%08x\n", - val); + dev_warn(pp->phydev->dev, + "TIMEOUT for TX stopped status=0x%08x\n", + val); break; } mdelay(1); @@ -664,9 +664,9 @@ static void mvneta_port_down(struct mvneta_port *pp) count = 0; do { if (count++ >= MVNETA_TX_FIFO_EMPTY_TIMEOUT) { - netdev_warn(pp->dev, - "TX FIFO empty timeout status=0x08%x\n", - val); + dev_warn(pp->phydev->dev, + "TX FIFO empty timeout status=0x08%x\n", + val); break; } mdelay(1); @@ -949,28 +949,32 @@ static void mvneta_rx_error(struct mvneta_port *pp, u32 status = rx_desc->status; if (!mvneta_rxq_desc_is_first_last(status)) { - netdev_err(pp->dev, - "bad rx status %08x (buffer oversize), size=%d\n", - status, rx_desc->data_size); + dev_err(pp->phydev->dev, + "bad rx status %08x (buffer oversize), size=%d\n", + status, rx_desc->data_size); return; } switch (status & MVNETA_RXD_ERR_CODE_MASK) { case MVNETA_RXD_ERR_CRC: - netdev_err(pp->dev, "bad rx status %08x (crc error), size=%d\n", - status, rx_desc->data_size); + dev_err(pp->phydev->dev, + "bad rx status %08x (crc error), size=%d\n", status, + rx_desc->data_size); break; case MVNETA_RXD_ERR_OVERRUN: - netdev_err(pp->dev, "bad rx status %08x (overrun error), size=%d\n", - status, rx_desc->data_size); + dev_err(pp->phydev->dev, + "bad rx status %08x (overrun error), size=%d\n", status, + rx_desc->data_size); break; case MVNETA_RXD_ERR_LEN: - netdev_err(pp->dev, "bad rx status %08x (max frame length error), size=%d\n", - status, rx_desc->data_size); + dev_err(pp->phydev->dev, + "bad rx status %08x (max frame length error), size=%d\n", + status, rx_desc->data_size); break; case MVNETA_RXD_ERR_RESOURCE: - netdev_err(pp->dev, "bad rx status %08x (resource error), size=%d\n", - status, rx_desc->data_size); + dev_err(pp->phydev->dev, + "bad rx status %08x (resource error), size=%d\n", + status, rx_desc->data_size); break; } } @@ -1127,8 +1131,8 @@ static int mvneta_setup_rxqs(struct mvneta_port *pp) for (queue = 0; queue < rxq_number; queue++) { int err = mvneta_rxq_init(pp, &pp->rxqs[queue]); if (err) { - netdev_err(pp->dev, "%s: can't create rxq=%d\n", - __func__, queue); + dev_err(pp->phydev->dev, "%s: can't create rxq=%d\n", + __func__, queue); mvneta_cleanup_rxqs(pp); return err; } @@ -1145,8 +1149,8 @@ static int mvneta_setup_txqs(struct mvneta_port *pp) for (queue = 0; queue < txq_number; queue++) { int err = mvneta_txq_init(pp, &pp->txqs[queue]); if (err) { - netdev_err(pp->dev, "%s: can't create txq=%d\n", - __func__, queue); + dev_err(pp->phydev->dev, "%s: can't create txq=%d\n", + __func__, queue); mvneta_cleanup_txqs(pp); return err; } @@ -1402,7 +1406,7 @@ static int mvneta_init(struct udevice *dev) err = mvneta_init2(pp); if (err < 0) { - dev_err(&pdev->dev, "can't init eth hal\n"); + dev_err(dev, "can't init eth hal\n"); return err; } @@ -1410,7 +1414,7 @@ static int mvneta_init(struct udevice *dev) err = mvneta_port_power_up(pp, pp->phy_interface); if (err < 0) { - dev_err(&pdev->dev, "can't power up port\n"); + dev_err(dev, "can't power up port\n"); return err; } diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index a5747a25ab..8f790a8b44 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -2568,7 +2568,7 @@ static int mvpp2_bm_pool_create(struct udevice *dev, if (!IS_ALIGNED((unsigned long)bm_pool->virt_addr, MVPP2_BM_POOL_PTR_ALIGN)) { - dev_err(&pdev->dev, "BM pool %d is not %d bytes aligned\n", + dev_err(dev, "BM pool %d is not %d bytes aligned\n", bm_pool->id, MVPP2_BM_POOL_PTR_ALIGN); return -ENOMEM; } @@ -2659,7 +2659,7 @@ static int mvpp2_bm_pools_init(struct udevice *dev, return 0; err_unroll_pools: - dev_err(&pdev->dev, "failed to create BM pool %d, size %d\n", i, size); + dev_err(dev, "failed to create BM pool %d, size %d\n", i, size); for (i = i - 1; i >= 0; i--) mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]); return err; @@ -2773,9 +2773,9 @@ static int mvpp2_bm_bufs_add(struct mvpp2_port *port, if (buf_num < 0 || (buf_num + bm_pool->buf_num > bm_pool->size)) { - netdev_err(port->dev, - "cannot allocate %d buffers for pool %d\n", - buf_num, bm_pool->id); + dev_err(port->phy_dev->dev, + "cannot allocate %d buffers for pool %d\n", buf_num, + bm_pool->id); return 0; } @@ -2803,7 +2803,7 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, int num; if (new_pool->type != MVPP2_BM_FREE && new_pool->type != type) { - netdev_err(port->dev, "mixing pool types is forbidden\n"); + dev_err(port->phy_dev->dev, "mixing pool types is forbidden\n"); return NULL; } @@ -2834,8 +2834,9 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, /* Allocate buffers for this pool */ num = mvpp2_bm_bufs_add(port, new_pool, pkts_num); if (num != pkts_num) { - dev_err(dev, "pool %d: %d of %d allocated\n", - new_pool->id, num, pkts_num); + dev_err(port->phy_dev->dev, + "pool %d: %d of %d allocated\n", new_pool->id, + num, pkts_num); return NULL; } } @@ -3344,8 +3345,7 @@ static int gop_port_init(struct mvpp2_port *port) int num_of_act_lanes; if (mac_num >= MVPP22_GOP_MAC_NUM) { - netdev_err(NULL, "%s: illegal port number %d", __func__, - mac_num); + log_err("illegal port number %d", mac_num); return -1; } @@ -3399,8 +3399,8 @@ static int gop_port_init(struct mvpp2_port *port) break; default: - netdev_err(NULL, "%s: Requested port mode (%d) not supported\n", - __func__, port->phy_interface); + log_err("Requested port mode (%d) not supported\n", + port->phy_interface); return -1; } @@ -3440,8 +3440,8 @@ static void gop_port_enable(struct mvpp2_port *port, int enable) break; default: - netdev_err(NULL, "%s: Wrong port mode (%d)\n", __func__, - port->phy_interface); + log_err("%s: Wrong port mode (%d)\n", __func__, + port->phy_interface); return; } } @@ -3811,9 +3811,9 @@ static void mvpp2_egress_disable(struct mvpp2_port *port) delay = 0; do { if (delay >= MVPP2_TX_DISABLE_TIMEOUT_MSEC) { - netdev_warn(port->dev, - "Tx stop timed out, status=0x%08x\n", - reg_data); + dev_warn(port->phy_dev->dev, + "Tx stop timed out, status=0x%08x\n", + reg_data); break; } mdelay(1); @@ -4261,9 +4261,9 @@ static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq) delay = 0; do { if (delay >= MVPP2_TX_PENDING_TIMEOUT_MSEC) { - netdev_warn(port->dev, - "port %d: cleaning queue %d timed out\n", - port->id, txq->log_id); + dev_warn(port->phy_dev->dev, + "port %d: cleaning queue %d timed out\n", + port->id, txq->log_id); break; } mdelay(1); @@ -4430,16 +4430,19 @@ static void mvpp2_rx_error(struct mvpp2_port *port, switch (status & MVPP2_RXD_ERR_CODE_MASK) { case MVPP2_RXD_ERR_CRC: - netdev_err(port->dev, "bad rx status %08x (crc error), size=%zu\n", - status, sz); + dev_err(port->phy_dev->dev, + "bad rx status %08x (crc error), size=%zu\n", status, + sz); break; case MVPP2_RXD_ERR_OVERRUN: - netdev_err(port->dev, "bad rx status %08x (overrun error), size=%zu\n", - status, sz); + dev_err(port->phy_dev->dev, + "bad rx status %08x (overrun error), size=%zu\n", + status, sz); break; case MVPP2_RXD_ERR_RESOURCE: - netdev_err(port->dev, "bad rx status %08x (resource error), size=%zu\n", - status, sz); + dev_err(port->phy_dev->dev, + "bad rx status %08x (resource error), size=%zu\n", + status, sz); break; } } @@ -4507,8 +4510,8 @@ static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port) */ if (phy_dev && phy_dev->drv->uid == 0xffffffff) {/* Generic phy */ - netdev_warn(port->dev, - "Marking phy as invalid, link will not be checked\n"); + dev_warn(port->phy_dev->dev, + "Marking phy as invalid, link will not be checked\n"); /* set phy_addr to invalid value */ port->phyaddr = PHY_MAX_ADDR; mvpp2_egress_enable(port); @@ -4519,7 +4522,7 @@ static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port) port->phy_dev = phy_dev; if (!phy_dev) { - netdev_err(port->dev, "cannot connect to phy\n"); + dev_err(port->phy_dev->dev, "cannot connect to phy\n"); return; } phy_dev->supported &= PHY_GBIT_FEATURES; @@ -4550,31 +4553,31 @@ static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port) err = mvpp2_prs_mac_da_accept(port->priv, port->id, mac_bcast, true); if (err) { - netdev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n"); + dev_err(dev, "mvpp2_prs_mac_da_accept BC failed\n"); return err; } err = mvpp2_prs_mac_da_accept(port->priv, port->id, port->dev_addr, true); if (err) { - netdev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n"); + dev_err(dev, "mvpp2_prs_mac_da_accept MC failed\n"); return err; } err = mvpp2_prs_def_flow(port); if (err) { - netdev_err(dev, "mvpp2_prs_def_flow failed\n"); + dev_err(dev, "mvpp2_prs_def_flow failed\n"); return err; } /* Allocate the Rx/Tx queues */ err = mvpp2_setup_rxqs(port); if (err) { - netdev_err(port->dev, "cannot allocate Rx queues\n"); + dev_err(port->phy_dev->dev, "cannot allocate Rx queues\n"); return err; } err = mvpp2_setup_txqs(port); if (err) { - netdev_err(port->dev, "cannot allocate Tx queues\n"); + dev_err(port->phy_dev->dev, "cannot allocate Tx queues\n"); return err; } @@ -4725,7 +4728,7 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port) int parent; phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0); if (phyaddr < 0) { - dev_err(&pdev->dev, "could not find phy address\n"); + dev_err(dev, "could not find phy address\n"); return -1; } parent = fdt_parent_offset(gd->fdt_blob, phy_node); @@ -4742,13 +4745,13 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port) if (phy_mode_str) phy_mode = phy_get_interface_by_name(phy_mode_str); if (phy_mode == -1) { - dev_err(&pdev->dev, "incorrect phy mode\n"); + dev_err(dev, "incorrect phy mode\n"); return -EINVAL; } id = fdtdec_get_int(gd->fdt_blob, port_node, "port-id", -1); if (id == -1) { - dev_err(&pdev->dev, "missing port-id value\n"); + dev_err(dev, "missing port-id value\n"); return -EINVAL; } @@ -4807,7 +4810,7 @@ static int mvpp2_port_probe(struct udevice *dev, err = mvpp2_port_init(dev, port); if (err < 0) { - dev_err(&pdev->dev, "failed to init port %d\n", port->id); + dev_err(dev, "failed to init port %d\n", port->id); return err; } mvpp2_port_power_up(port); @@ -4978,7 +4981,7 @@ static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv) /* Checks for hardware constraints (U-Boot uses only one rxq) */ if ((rxq_number > priv->max_port_rxqs) || (txq_number > MVPP2_MAX_TXQ)) { - dev_err(&pdev->dev, "invalid queue size parameter\n"); + dev_err(dev, "invalid queue size parameter\n"); return -EINVAL; } @@ -5099,7 +5102,7 @@ static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp) err = mvpp2_rx_refill(port, bm_pool, bm, dma_addr); if (err) { - netdev_err(port->dev, "failed to refill BM pools\n"); + dev_err(port->phy_dev->dev, "failed to refill BM pools\n"); return 0; } @@ -5345,7 +5348,7 @@ static int mvpp2_probe(struct udevice *dev) port->gop_id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "gop-port-id", -1); if (port->id == -1) { - dev_err(&pdev->dev, "missing gop-port-id value\n"); + dev_err(dev, "missing gop-port-id value\n"); return -EINVAL; } @@ -5364,7 +5367,7 @@ static int mvpp2_probe(struct udevice *dev) /* Initialize network controller */ err = mvpp2_init(dev, priv); if (err < 0) { - dev_err(&pdev->dev, "failed to initialize controller\n"); + dev_err(dev, "failed to initialize controller\n"); return err; } priv->num_ports = 0; diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c index 709979f48c..d1a643cf5a 100644 --- a/drivers/net/phy/mscc.c +++ b/drivers/net/phy/mscc.c @@ -157,6 +157,14 @@ #define INT_MEM_DATA_M GENMASK(7, 0) #define INT_MEM_DATA(x) (INT_MEM_DATA_M & (x)) +/* Extended page GPIO register 13G */ +#define MSCC_CLKOUT_CNTL 13 +#define CLKOUT_ENABLE BIT(15) +#define CLKOUT_FREQ_MASK GENMASK(14, 13) +#define CLKOUT_FREQ_25M (0x0 << 13) +#define CLKOUT_FREQ_50M (0x1 << 13) +#define CLKOUT_FREQ_125M (0x2 << 13) + /* Extended page GPIO register 18G */ #define MSCC_PHY_PROC_CMD 18 #define PROC_CMD_NCOMPLETED BIT(15) @@ -1168,6 +1176,9 @@ static int vsc8531_vsc8541_mac_config(struct phy_device *phydev) rx_clk_out = RX_CLK_OUT_NORMAL; break; + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII: /* Set Reg23.12:11=2 */ mac_if = MAC_IF_SELECTION_RGMII; @@ -1210,13 +1221,84 @@ static int vsc8531_vsc8541_mac_config(struct phy_device *phydev) return 0; } +static int vsc8531_vsc8541_clkout_config(struct phy_device *phydev) +{ + struct ofnode_phandle_args phandle_args; + u32 clkout_rate = 0; + u16 reg_val; + int retval; + + retval = dev_read_phandle_with_args(phydev->dev, "phy-handle", NULL, + 0, 0, &phandle_args); + if (!retval) + clkout_rate = ofnode_read_u32_default(phandle_args.node, + "vsc8531,clk-out-frequency", 0); + + switch (clkout_rate) { + case 0: + reg_val = 0; + break; + case 25000000: + reg_val = CLKOUT_FREQ_25M | CLKOUT_ENABLE; + break; + case 50000000: + reg_val = CLKOUT_FREQ_50M | CLKOUT_ENABLE; + break; + case 125000000: + reg_val = CLKOUT_FREQ_125M | CLKOUT_ENABLE; + break; + default: + printf("PHY 8530/31 invalid clkout rate %u\n", + clkout_rate); + return -EINVAL; + } + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_CLKOUT_CNTL, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static int vsc8531_vsc8541_clk_skew_config(struct phy_device *phydev) +{ + enum vsc_phy_rgmii_skew rx_clk_skew = VSC_PHY_RGMII_DELAY_200_PS; + enum vsc_phy_rgmii_skew tx_clk_skew = VSC_PHY_RGMII_DELAY_200_PS; + u16 reg_val; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + rx_clk_skew = VSC_PHY_RGMII_DELAY_2000_PS; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + tx_clk_skew = VSC_PHY_RGMII_DELAY_2000_PS; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT2); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG); + + /* Reg20E2 - Update RGMII RX_Clk Skews. */ + reg_val = bitfield_replace(reg_val, RGMII_RX_CLK_DELAY_POS, + RGMII_RX_CLK_DELAY_WIDTH, rx_clk_skew); + /* Reg20E2 - Update RGMII TX_Clk Skews. */ + reg_val = bitfield_replace(reg_val, RGMII_TX_CLK_DELAY_POS, + RGMII_TX_CLK_DELAY_WIDTH, tx_clk_skew); + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + static int vsc8531_config(struct phy_device *phydev) { int retval = -EINVAL; u16 reg_val; u16 rmii_clk_out; - enum vsc_phy_rgmii_skew rx_clk_skew = VSC_PHY_RGMII_DELAY_1700_PS; - enum vsc_phy_rgmii_skew tx_clk_skew = VSC_PHY_RGMII_DELAY_800_PS; enum vsc_phy_clk_slew edge_rate = VSC_PHY_CLK_SLEW_RATE_4; /* For VSC8530/31 and VSC8540/41 the init scripts are the same */ @@ -1226,6 +1308,9 @@ static int vsc8531_config(struct phy_device *phydev) switch (phydev->interface) { case PHY_INTERFACE_MODE_RMII: case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_ID: retval = vsc8531_vsc8541_mac_config(phydev); if (retval != 0) return retval; @@ -1242,19 +1327,12 @@ static int vsc8531_config(struct phy_device *phydev) /* Default RMII Clk Output to 0=OFF/1=ON */ rmii_clk_out = 0; + retval = vsc8531_vsc8541_clk_skew_config(phydev); + if (retval != 0) + return retval; + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXT2); - reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG); - - /* Reg20E2 - Update RGMII RX_Clk Skews. */ - reg_val = bitfield_replace(reg_val, RGMII_RX_CLK_DELAY_POS, - RGMII_RX_CLK_DELAY_WIDTH, rx_clk_skew); - /* Reg20E2 - Update RGMII TX_Clk Skews. */ - reg_val = bitfield_replace(reg_val, RGMII_TX_CLK_DELAY_POS, - RGMII_TX_CLK_DELAY_WIDTH, tx_clk_skew); - - phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG, reg_val); - reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL); /* Reg27E2 - Update Clk Slew Rate. */ reg_val = bitfield_replace(reg_val, EDGE_RATE_CNTL_POS, @@ -1267,6 +1345,11 @@ static int vsc8531_config(struct phy_device *phydev) phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STD); + /* Configure the clk output */ + retval = vsc8531_vsc8541_clkout_config(phydev); + if (retval != 0) + return retval; + return genphy_config_aneg(phydev); } @@ -1275,8 +1358,6 @@ static int vsc8541_config(struct phy_device *phydev) int retval = -EINVAL; u16 reg_val; u16 rmii_clk_out; - enum vsc_phy_rgmii_skew rx_clk_skew = VSC_PHY_RGMII_DELAY_1700_PS; - enum vsc_phy_rgmii_skew tx_clk_skew = VSC_PHY_RGMII_DELAY_800_PS; enum vsc_phy_clk_slew edge_rate = VSC_PHY_CLK_SLEW_RATE_4; /* For VSC8530/31 and VSC8540/41 the init scripts are the same */ @@ -1304,17 +1385,12 @@ static int vsc8541_config(struct phy_device *phydev) /* Default RMII Clk Output to 0=OFF/1=ON */ rmii_clk_out = 0; + retval = vsc8531_vsc8541_clk_skew_config(phydev); + if (retval != 0) + return retval; + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXT2); - reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG); - /* Reg20E2 - Update RGMII RX_Clk Skews. */ - reg_val = bitfield_replace(reg_val, RGMII_RX_CLK_DELAY_POS, - RGMII_RX_CLK_DELAY_WIDTH, rx_clk_skew); - /* Reg20E2 - Update RGMII TX_Clk Skews. */ - reg_val = bitfield_replace(reg_val, RGMII_TX_CLK_DELAY_POS, - RGMII_TX_CLK_DELAY_WIDTH, tx_clk_skew); - phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG, reg_val); - reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL); /* Reg27E2 - Update Clk Slew Rate. */ reg_val = bitfield_replace(reg_val, EDGE_RATE_CNTL_POS, @@ -1327,6 +1403,11 @@ static int vsc8541_config(struct phy_device *phydev) phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STD); + /* Configure the clk output */ + retval = vsc8531_vsc8541_clkout_config(phydev); + if (retval != 0) + return retval; + return genphy_config_aneg(phydev); } diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 67789897c2..9587e6b9fa 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -664,7 +664,7 @@ static struct phy_device *phy_device_create(struct mii_dev *bus, int addr, dev = malloc(sizeof(*dev)); if (!dev) { printf("Failed to allocate PHY device for %s:%d\n", - bus->name, addr); + bus ? bus->name : "(null bus)", addr); return NULL; } @@ -692,7 +692,7 @@ static struct phy_device *phy_device_create(struct mii_dev *bus, int addr, return NULL; } - if (addr >= 0 && addr < PHY_MAX_ADDR) + if (addr >= 0 && addr < PHY_MAX_ADDR && phy_id != PHY_FIXED_ID) bus->phymap[addr] = dev; return dev; diff --git a/drivers/net/qe/Kconfig b/drivers/net/qe/Kconfig new file mode 100644 index 0000000000..dec88dea2a --- /dev/null +++ b/drivers/net/qe/Kconfig @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2020 Heiko Schocher <hs@denx.de> + +config QE_UEC + bool "NXP QE UEC Ethernet controller" + depends on DM_ETH + help + This driver supports the NXP QE UEC ethernet controller diff --git a/drivers/net/qe/Makefile b/drivers/net/qe/Makefile new file mode 100644 index 0000000000..7d84757c17 --- /dev/null +++ b/drivers/net/qe/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2020 Heiko Schocher <hs@denx.de> + +obj-$(CONFIG_QE_UEC) += dm_qe_uec.o dm_qe_uec_phy.o uccf.o diff --git a/drivers/net/qe/dm_qe_uec.c b/drivers/net/qe/dm_qe_uec.c new file mode 100644 index 0000000000..3482b3ff17 --- /dev/null +++ b/drivers/net/qe/dm_qe_uec.c @@ -0,0 +1,1167 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * QE UEC ethernet controller driver + * + * based on drivers/qe/uec.c from NXP + * + * Copyright (C) 2020 Heiko Schocher <hs@denx.de> + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <memalign.h> +#include <miiphy.h> +#include <asm/io.h> + +#include "dm_qe_uec.h" + +#define QE_UEC_DRIVER_NAME "ucc_geth" + +/* Default UTBIPAR SMI address */ +#ifndef CONFIG_UTBIPAR_INIT_TBIPA +#define CONFIG_UTBIPAR_INIT_TBIPA 0x1F +#endif + +static int uec_mac_enable(struct uec_priv *uec, comm_dir_e mode) +{ + uec_t *uec_regs; + u32 maccfg1; + + uec_regs = uec->uec_regs; + maccfg1 = in_be32(&uec_regs->maccfg1); + + if (mode & COMM_DIR_TX) { + maccfg1 |= MACCFG1_ENABLE_TX; + out_be32(&uec_regs->maccfg1, maccfg1); + uec->mac_tx_enabled = 1; + } + + if (mode & COMM_DIR_RX) { + maccfg1 |= MACCFG1_ENABLE_RX; + out_be32(&uec_regs->maccfg1, maccfg1); + uec->mac_rx_enabled = 1; + } + + return 0; +} + +static int uec_mac_disable(struct uec_priv *uec, comm_dir_e mode) +{ + uec_t *uec_regs; + u32 maccfg1; + + uec_regs = uec->uec_regs; + maccfg1 = in_be32(&uec_regs->maccfg1); + + if (mode & COMM_DIR_TX) { + maccfg1 &= ~MACCFG1_ENABLE_TX; + out_be32(&uec_regs->maccfg1, maccfg1); + uec->mac_tx_enabled = 0; + } + + if (mode & COMM_DIR_RX) { + maccfg1 &= ~MACCFG1_ENABLE_RX; + out_be32(&uec_regs->maccfg1, maccfg1); + uec->mac_rx_enabled = 0; + } + + return 0; +} + +static int uec_restart_tx(struct uec_priv *uec) +{ + struct uec_inf *ui = uec->uec_info; + u32 cecr_subblock; + + cecr_subblock = ucc_fast_get_qe_cr_subblock(ui->uf_info.ucc_num); + qe_issue_cmd(QE_RESTART_TX, cecr_subblock, + (u8)QE_CR_PROTOCOL_ETHERNET, 0); + + uec->grace_stopped_tx = 0; + + return 0; +} + +static int uec_restart_rx(struct uec_priv *uec) +{ + struct uec_inf *ui = uec->uec_info; + u32 cecr_subblock; + + cecr_subblock = ucc_fast_get_qe_cr_subblock(ui->uf_info.ucc_num); + qe_issue_cmd(QE_RESTART_RX, cecr_subblock, + (u8)QE_CR_PROTOCOL_ETHERNET, 0); + + uec->grace_stopped_rx = 0; + + return 0; +} + +static int uec_open(struct uec_priv *uec, comm_dir_e mode) +{ + struct ucc_fast_priv *uccf; + + uccf = uec->uccf; + + /* check if the UCC number is in range. */ + if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) { + printf("%s: ucc_num out of range.\n", __func__); + return -EINVAL; + } + + /* Enable MAC */ + uec_mac_enable(uec, mode); + + /* Enable UCC fast */ + ucc_fast_enable(uccf, mode); + + /* RISC microcode start */ + if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) + uec_restart_tx(uec); + + if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) + uec_restart_rx(uec); + + return 0; +} + +static int uec_set_mac_if_mode(struct uec_priv *uec) +{ + struct uec_inf *uec_info = uec->uec_info; + phy_interface_t enet_if_mode; + uec_t *uec_regs; + u32 upsmr; + u32 maccfg2; + + uec_regs = uec->uec_regs; + enet_if_mode = uec_info->enet_interface_type; + + maccfg2 = in_be32(&uec_regs->maccfg2); + maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK; + + upsmr = in_be32(&uec->uccf->uf_regs->upsmr); + upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM); + + switch (uec_info->speed) { + case SPEED_10: + maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_MII: + break; + case PHY_INTERFACE_MODE_RGMII: + upsmr |= (UPSMR_RPM | UPSMR_R10M); + break; + case PHY_INTERFACE_MODE_RMII: + upsmr |= (UPSMR_R10M | UPSMR_RMM); + break; + default: + return -EINVAL; + } + break; + case SPEED_100: + maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_MII: + break; + case PHY_INTERFACE_MODE_RGMII: + upsmr |= UPSMR_RPM; + break; + case PHY_INTERFACE_MODE_RMII: + upsmr |= UPSMR_RMM; + break; + default: + return -EINVAL; + } + break; + case SPEED_1000: + maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_GMII: + break; + case PHY_INTERFACE_MODE_TBI: + upsmr |= UPSMR_TBIM; + break; + case PHY_INTERFACE_MODE_RTBI: + upsmr |= (UPSMR_RPM | UPSMR_TBIM); + break; + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII: + upsmr |= UPSMR_RPM; + break; + case PHY_INTERFACE_MODE_SGMII: + upsmr |= UPSMR_SGMM; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + out_be32(&uec_regs->maccfg2, maccfg2); + out_be32(&uec->uccf->uf_regs->upsmr, upsmr); + + return 0; +} + +static int qe_uec_start(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct uec_priv *uec = priv->uec; + struct phy_device *phydev = priv->phydev; + struct uec_inf *uec_info = uec->uec_info; + int err; + + if (!phydev) + return -ENODEV; + + /* Setup MAC interface mode */ + genphy_update_link(phydev); + genphy_parse_link(phydev); + uec_info->speed = phydev->speed; + uec_set_mac_if_mode(uec); + + err = uec_open(uec, COMM_DIR_RX_AND_TX); + if (err) { + printf("%s: cannot enable UEC device\n", dev->name); + return -EINVAL; + } + + return (phydev->link ? 0 : -EINVAL); +} + +static int qe_uec_send(struct udevice *dev, void *packet, int length) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct uec_priv *uec = priv->uec; + struct ucc_fast_priv *uccf = uec->uccf; + struct buffer_descriptor *bd; + u16 status; + int i; + int result = 0; + + uccf = uec->uccf; + bd = uec->tx_bd; + + /* Find an empty TxBD */ + for (i = 0; BD_STATUS(bd) & TX_BD_READY; i++) { + if (i > 0x100000) { + printf("%s: tx buffer not ready\n", dev->name); + return result; + } + } + + /* Init TxBD */ + BD_DATA_SET(bd, packet); + BD_LENGTH_SET(bd, length); + status = BD_STATUS(bd); + status &= BD_WRAP; + status |= (TX_BD_READY | TX_BD_LAST); + BD_STATUS_SET(bd, status); + + /* Tell UCC to transmit the buffer */ + ucc_fast_transmit_on_demand(uccf); + + /* Wait for buffer to be transmitted */ + for (i = 0; BD_STATUS(bd) & TX_BD_READY; i++) { + if (i > 0x100000) { + printf("%s: tx error\n", dev->name); + return result; + } + } + + /* Ok, the buffer be transimitted */ + BD_ADVANCE(bd, status, uec->p_tx_bd_ring); + uec->tx_bd = bd; + result = 1; + + return result; +} + +/* + * Receive frame: + * - wait for the next BD to get ready bit set + * - clean up the descriptor + * - move on and indicate to HW that the cleaned BD is available for Rx + */ +static int qe_uec_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct uec_priv *uec = priv->uec; + struct buffer_descriptor *bd; + u16 status; + u16 len = 0; + u8 *data; + + *packetp = memalign(ARCH_DMA_MINALIGN, MAX_RXBUF_LEN); + if (*packetp == 0) { + printf("%s: error allocating packetp\n", __func__); + return -ENOMEM; + } + + bd = uec->rx_bd; + status = BD_STATUS(bd); + + while (!(status & RX_BD_EMPTY)) { + if (!(status & RX_BD_ERROR)) { + data = BD_DATA(bd); + len = BD_LENGTH(bd); + memcpy(*packetp, (char *)data, len); + } else { + printf("%s: Rx error\n", dev->name); + } + status &= BD_CLEAN; + BD_LENGTH_SET(bd, 0); + BD_STATUS_SET(bd, status | RX_BD_EMPTY); + BD_ADVANCE(bd, status, uec->p_rx_bd_ring); + status = BD_STATUS(bd); + } + uec->rx_bd = bd; + + return len; +} + +static int uec_graceful_stop_tx(struct uec_priv *uec) +{ + ucc_fast_t *uf_regs; + u32 cecr_subblock; + u32 ucce; + + uf_regs = uec->uccf->uf_regs; + + /* Clear the grace stop event */ + out_be32(&uf_regs->ucce, UCCE_GRA); + + /* Issue host command */ + cecr_subblock = + ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); + qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, + (u8)QE_CR_PROTOCOL_ETHERNET, 0); + + /* Wait for command to complete */ + do { + ucce = in_be32(&uf_regs->ucce); + } while (!(ucce & UCCE_GRA)); + + uec->grace_stopped_tx = 1; + + return 0; +} + +static int uec_graceful_stop_rx(struct uec_priv *uec) +{ + u32 cecr_subblock; + u8 ack; + + if (!uec->p_rx_glbl_pram) { + printf("%s: No init rx global parameter\n", __func__); + return -EINVAL; + } + + /* Clear acknowledge bit */ + ack = uec->p_rx_glbl_pram->rxgstpack; + ack &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX; + uec->p_rx_glbl_pram->rxgstpack = ack; + + /* Keep issuing cmd and checking ack bit until it is asserted */ + do { + /* Issue host command */ + cecr_subblock = + ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); + qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, + (u8)QE_CR_PROTOCOL_ETHERNET, 0); + ack = uec->p_rx_glbl_pram->rxgstpack; + } while (!(ack & GRACEFUL_STOP_ACKNOWLEDGE_RX)); + + uec->grace_stopped_rx = 1; + + return 0; +} + +static int uec_stop(struct uec_priv *uec, comm_dir_e mode) +{ + /* check if the UCC number is in range. */ + if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) { + printf("%s: ucc_num out of range.\n", __func__); + return -EINVAL; + } + /* Stop any transmissions */ + if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) + uec_graceful_stop_tx(uec); + + /* Stop any receptions */ + if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) + uec_graceful_stop_rx(uec); + + /* Disable the UCC fast */ + ucc_fast_disable(uec->uccf, mode); + + /* Disable the MAC */ + uec_mac_disable(uec, mode); + + return 0; +} + +static void qe_uec_stop(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct uec_priv *uec = priv->uec; + + uec_stop(uec, COMM_DIR_RX_AND_TX); +} + +static int qe_uec_set_hwaddr(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + struct uec_priv *uec = priv->uec; + uec_t *uec_regs = uec->uec_regs; + uchar *mac = pdata->enetaddr; + u32 mac_addr1; + u32 mac_addr2; + + /* + * if a station address of 0x12345678ABCD, perform a write to + * MACSTNADDR1 of 0xCDAB7856, + * MACSTNADDR2 of 0x34120000 + */ + + mac_addr1 = (mac[5] << 24) | (mac[4] << 16) | + (mac[3] << 8) | (mac[2]); + out_be32(&uec_regs->macstnaddr1, mac_addr1); + + mac_addr2 = ((mac[1] << 24) | (mac[0] << 16)) & 0xffff0000; + out_be32(&uec_regs->macstnaddr2, mac_addr2); + + return 0; +} + +static int qe_uec_free_pkt(struct udevice *dev, uchar *packet, int length) +{ + if (packet) + free(packet); + + return 0; +} + +static const struct eth_ops qe_uec_eth_ops = { + .start = qe_uec_start, + .send = qe_uec_send, + .recv = qe_uec_recv, + .free_pkt = qe_uec_free_pkt, + .stop = qe_uec_stop, + .write_hwaddr = qe_uec_set_hwaddr, +}; + +static int uec_convert_threads_num(enum uec_num_of_threads threads_num, + int *threads_num_ret) +{ + int num_threads_numerica; + + switch (threads_num) { + case UEC_NUM_OF_THREADS_1: + num_threads_numerica = 1; + break; + case UEC_NUM_OF_THREADS_2: + num_threads_numerica = 2; + break; + case UEC_NUM_OF_THREADS_4: + num_threads_numerica = 4; + break; + case UEC_NUM_OF_THREADS_6: + num_threads_numerica = 6; + break; + case UEC_NUM_OF_THREADS_8: + num_threads_numerica = 8; + break; + default: + printf("%s: Bad number of threads value.", + __func__); + return -EINVAL; + } + + *threads_num_ret = num_threads_numerica; + + return 0; +} + +static void uec_init_tx_parameter(struct uec_priv *uec, int num_threads_tx) +{ + struct uec_inf *uec_info; + u32 end_bd; + u8 bmrx = 0; + int i; + + uec_info = uec->uec_info; + + /* Alloc global Tx parameter RAM page */ + uec->tx_glbl_pram_offset = + qe_muram_alloc(sizeof(struct uec_tx_global_pram), + UEC_TX_GLOBAL_PRAM_ALIGNMENT); + uec->p_tx_glbl_pram = (struct uec_tx_global_pram *) + qe_muram_addr(uec->tx_glbl_pram_offset); + + /* Zero the global Tx prameter RAM */ + memset(uec->p_tx_glbl_pram, 0, sizeof(struct uec_tx_global_pram)); + + /* Init global Tx parameter RAM */ + + /* TEMODER, RMON statistics disable, one Tx queue */ + out_be16(&uec->p_tx_glbl_pram->temoder, TEMODER_INIT_VALUE); + + /* SQPTR */ + uec->send_q_mem_reg_offset = + qe_muram_alloc(sizeof(struct uec_send_queue_qd), + UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); + uec->p_send_q_mem_reg = (struct uec_send_queue_mem_region *) + qe_muram_addr(uec->send_q_mem_reg_offset); + out_be32(&uec->p_tx_glbl_pram->sqptr, uec->send_q_mem_reg_offset); + + /* Setup the table with TxBDs ring */ + end_bd = (u32)uec->p_tx_bd_ring + (uec_info->tx_bd_ring_len - 1) + * SIZEOFBD; + out_be32(&uec->p_send_q_mem_reg->sqqd[0].bd_ring_base, + (u32)(uec->p_tx_bd_ring)); + out_be32(&uec->p_send_q_mem_reg->sqqd[0].last_bd_completed_address, + end_bd); + + /* Scheduler Base Pointer, we have only one Tx queue, no need it */ + out_be32(&uec->p_tx_glbl_pram->schedulerbasepointer, 0); + + /* TxRMON Base Pointer, TxRMON disable, we don't need it */ + out_be32(&uec->p_tx_glbl_pram->txrmonbaseptr, 0); + + /* TSTATE, global snooping, big endian, the CSB bus selected */ + bmrx = BMR_INIT_VALUE; + out_be32(&uec->p_tx_glbl_pram->tstate, ((u32)(bmrx) << BMR_SHIFT)); + + /* IPH_Offset */ + for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) + out_8(&uec->p_tx_glbl_pram->iphoffset[i], 0); + + /* VTAG table */ + for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) + out_be32(&uec->p_tx_glbl_pram->vtagtable[i], 0); + + /* TQPTR */ + uec->thread_dat_tx_offset = + qe_muram_alloc(num_threads_tx * + sizeof(struct uec_thread_data_tx) + + 32 * (num_threads_tx == 1), + UEC_THREAD_DATA_ALIGNMENT); + + uec->p_thread_data_tx = (struct uec_thread_data_tx *) + qe_muram_addr(uec->thread_dat_tx_offset); + out_be32(&uec->p_tx_glbl_pram->tqptr, uec->thread_dat_tx_offset); +} + +static void uec_init_rx_parameter(struct uec_priv *uec, int num_threads_rx) +{ + u8 bmrx = 0; + int i; + struct uec_82xx_add_filtering_pram *p_af_pram; + + /* Allocate global Rx parameter RAM page */ + uec->rx_glbl_pram_offset = + qe_muram_alloc(sizeof(struct uec_rx_global_pram), + UEC_RX_GLOBAL_PRAM_ALIGNMENT); + uec->p_rx_glbl_pram = (struct uec_rx_global_pram *) + qe_muram_addr(uec->rx_glbl_pram_offset); + + /* Zero Global Rx parameter RAM */ + memset(uec->p_rx_glbl_pram, 0, sizeof(struct uec_rx_global_pram)); + + /* Init global Rx parameter RAM */ + /* + * REMODER, Extended feature mode disable, VLAN disable, + * LossLess flow control disable, Receive firmware statisic disable, + * Extended address parsing mode disable, One Rx queues, + * Dynamic maximum/minimum frame length disable, IP checksum check + * disable, IP address alignment disable + */ + out_be32(&uec->p_rx_glbl_pram->remoder, REMODER_INIT_VALUE); + + /* RQPTR */ + uec->thread_dat_rx_offset = + qe_muram_alloc(num_threads_rx * + sizeof(struct uec_thread_data_rx), + UEC_THREAD_DATA_ALIGNMENT); + uec->p_thread_data_rx = (struct uec_thread_data_rx *) + qe_muram_addr(uec->thread_dat_rx_offset); + out_be32(&uec->p_rx_glbl_pram->rqptr, uec->thread_dat_rx_offset); + + /* Type_or_Len */ + out_be16(&uec->p_rx_glbl_pram->typeorlen, 3072); + + /* RxRMON base pointer, we don't need it */ + out_be32(&uec->p_rx_glbl_pram->rxrmonbaseptr, 0); + + /* IntCoalescingPTR, we don't need it, no interrupt */ + out_be32(&uec->p_rx_glbl_pram->intcoalescingptr, 0); + + /* RSTATE, global snooping, big endian, the CSB bus selected */ + bmrx = BMR_INIT_VALUE; + out_8(&uec->p_rx_glbl_pram->rstate, bmrx); + + /* MRBLR */ + out_be16(&uec->p_rx_glbl_pram->mrblr, MAX_RXBUF_LEN); + + /* RBDQPTR */ + uec->rx_bd_qs_tbl_offset = + qe_muram_alloc(sizeof(struct uec_rx_bd_queues_entry) + + sizeof(struct uec_rx_pref_bds), + UEC_RX_BD_QUEUES_ALIGNMENT); + uec->p_rx_bd_qs_tbl = (struct uec_rx_bd_queues_entry *) + qe_muram_addr(uec->rx_bd_qs_tbl_offset); + + /* Zero it */ + memset(uec->p_rx_bd_qs_tbl, 0, sizeof(struct uec_rx_bd_queues_entry) + + sizeof(struct uec_rx_pref_bds)); + out_be32(&uec->p_rx_glbl_pram->rbdqptr, uec->rx_bd_qs_tbl_offset); + out_be32(&uec->p_rx_bd_qs_tbl->externalbdbaseptr, + (u32)uec->p_rx_bd_ring); + + /* MFLR */ + out_be16(&uec->p_rx_glbl_pram->mflr, MAX_FRAME_LEN); + /* MINFLR */ + out_be16(&uec->p_rx_glbl_pram->minflr, MIN_FRAME_LEN); + /* MAXD1 */ + out_be16(&uec->p_rx_glbl_pram->maxd1, MAX_DMA1_LEN); + /* MAXD2 */ + out_be16(&uec->p_rx_glbl_pram->maxd2, MAX_DMA2_LEN); + /* ECAM_PTR */ + out_be32(&uec->p_rx_glbl_pram->ecamptr, 0); + /* L2QT */ + out_be32(&uec->p_rx_glbl_pram->l2qt, 0); + /* L3QT */ + for (i = 0; i < 8; i++) + out_be32(&uec->p_rx_glbl_pram->l3qt[i], 0); + + /* VLAN_TYPE */ + out_be16(&uec->p_rx_glbl_pram->vlantype, 0x8100); + /* TCI */ + out_be16(&uec->p_rx_glbl_pram->vlantci, 0); + + /* Clear PQ2 style address filtering hash table */ + p_af_pram = (struct uec_82xx_add_filtering_pram *) + uec->p_rx_glbl_pram->addressfiltering; + + p_af_pram->iaddr_h = 0; + p_af_pram->iaddr_l = 0; + p_af_pram->gaddr_h = 0; + p_af_pram->gaddr_l = 0; +} + +static int uec_issue_init_enet_rxtx_cmd(struct uec_priv *uec, + int thread_tx, int thread_rx) +{ + struct uec_init_cmd_pram *p_init_enet_param; + u32 init_enet_param_offset; + struct uec_inf *uec_info; + struct ucc_fast_inf *uf_info; + int i; + int snum; + u32 off; + u32 entry_val; + u32 command; + u32 cecr_subblock; + + uec_info = uec->uec_info; + uf_info = &uec_info->uf_info; + + /* Allocate init enet command parameter */ + uec->init_enet_param_offset = + qe_muram_alloc(sizeof(struct uec_init_cmd_pram), 4); + init_enet_param_offset = uec->init_enet_param_offset; + uec->p_init_enet_param = (struct uec_init_cmd_pram *) + qe_muram_addr(uec->init_enet_param_offset); + + /* Zero init enet command struct */ + memset((void *)uec->p_init_enet_param, 0, + sizeof(struct uec_init_cmd_pram)); + + /* Init the command struct */ + p_init_enet_param = uec->p_init_enet_param; + p_init_enet_param->resinit0 = ENET_INIT_PARAM_MAGIC_RES_INIT0; + p_init_enet_param->resinit1 = ENET_INIT_PARAM_MAGIC_RES_INIT1; + p_init_enet_param->resinit2 = ENET_INIT_PARAM_MAGIC_RES_INIT2; + p_init_enet_param->resinit3 = ENET_INIT_PARAM_MAGIC_RES_INIT3; + p_init_enet_param->resinit4 = ENET_INIT_PARAM_MAGIC_RES_INIT4; + p_init_enet_param->largestexternallookupkeysize = 0; + + p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_rx) + << ENET_INIT_PARAM_RGF_SHIFT; + p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_tx) + << ENET_INIT_PARAM_TGF_SHIFT; + + /* Init Rx global parameter pointer */ + p_init_enet_param->rgftgfrxglobal |= uec->rx_glbl_pram_offset | + (u32)uec_info->risc_rx; + + /* Init Rx threads */ + for (i = 0; i < (thread_rx + 1); i++) { + snum = qe_get_snum(); + if (snum < 0) { + printf("%s can not get snum\n", __func__); + return -ENOMEM; + } + + if (i == 0) { + off = 0; + } else { + off = qe_muram_alloc(sizeof(struct uec_thread_rx_pram), + UEC_THREAD_RX_PRAM_ALIGNMENT); + } + + entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) | + off | (u32)uec_info->risc_rx; + p_init_enet_param->rxthread[i] = entry_val; + } + + /* Init Tx global parameter pointer */ + p_init_enet_param->txglobal = uec->tx_glbl_pram_offset | + (u32)uec_info->risc_tx; + + /* Init Tx threads */ + for (i = 0; i < thread_tx; i++) { + snum = qe_get_snum(); + if (snum < 0) { + printf("%s can not get snum\n", __func__); + return -ENOMEM; + } + + off = qe_muram_alloc(sizeof(struct uec_thread_tx_pram), + UEC_THREAD_TX_PRAM_ALIGNMENT); + + entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) | + off | (u32)uec_info->risc_tx; + p_init_enet_param->txthread[i] = entry_val; + } + + __asm__ __volatile__("sync"); + + /* Issue QE command */ + command = QE_INIT_TX_RX; + cecr_subblock = ucc_fast_get_qe_cr_subblock(uf_info->ucc_num); + qe_issue_cmd(command, cecr_subblock, (u8)QE_CR_PROTOCOL_ETHERNET, + init_enet_param_offset); + + return 0; +} + +static int uec_startup(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct uec_priv *uec = priv->uec; + struct uec_inf *uec_info; + struct ucc_fast_inf *uf_info; + struct ucc_fast_priv *uccf; + ucc_fast_t *uf_regs; + uec_t *uec_regs; + int num_threads_tx; + int num_threads_rx; + u32 utbipar; + u32 length; + u32 align; + struct buffer_descriptor *bd; + u8 *buf; + int i; + + uec_info = uec->uec_info; + uf_info = &uec_info->uf_info; + + /* Check if Rx BD ring len is illegal */ + if (uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN || + uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT) { + printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n", + __func__); + return -EINVAL; + } + + /* Check if Tx BD ring len is illegal */ + if (uec_info->tx_bd_ring_len < UEC_TX_BD_RING_SIZE_MIN) { + printf("%s: Tx BD ring length must not be smaller than 2.\n", + __func__); + return -EINVAL; + } + + /* Check if MRBLR is illegal */ + if (MAX_RXBUF_LEN == 0 || (MAX_RXBUF_LEN % UEC_MRBLR_ALIGNMENT)) { + printf("%s: max rx buffer length must be mutliple of 128.\n", + __func__); + return -EINVAL; + } + + /* Both Rx and Tx are stopped */ + uec->grace_stopped_rx = 1; + uec->grace_stopped_tx = 1; + + /* Init UCC fast */ + if (ucc_fast_init(uf_info, &uccf)) { + printf("%s: failed to init ucc fast\n", __func__); + return -ENOMEM; + } + + /* Save uccf */ + uec->uccf = uccf; + + /* Convert the Tx threads number */ + if (uec_convert_threads_num(uec_info->num_threads_tx, + &num_threads_tx)) + return -EINVAL; + + /* Convert the Rx threads number */ + if (uec_convert_threads_num(uec_info->num_threads_rx, + &num_threads_rx)) + return -EINVAL; + + uf_regs = uccf->uf_regs; + + /* UEC register is following UCC fast registers */ + uec_regs = (uec_t *)(&uf_regs->ucc_eth); + + /* Save the UEC register pointer to UEC private struct */ + uec->uec_regs = uec_regs; + + /* Init UPSMR, enable hardware statistics (UCC) */ + out_be32(&uec->uccf->uf_regs->upsmr, UPSMR_INIT_VALUE); + + /* Init MACCFG1, flow control disable, disable Tx and Rx */ + out_be32(&uec_regs->maccfg1, MACCFG1_INIT_VALUE); + + /* Init MACCFG2, length check, MAC PAD and CRC enable */ + out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE); + + /* Setup UTBIPAR */ + utbipar = in_be32(&uec_regs->utbipar); + utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK; + + /* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC. + * This frees up the remaining SMI addresses for use. + */ + utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT; + out_be32(&uec_regs->utbipar, utbipar); + + /* Allocate Tx BDs */ + length = ((uec_info->tx_bd_ring_len * SIZEOFBD) / + UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) * + UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; + if ((uec_info->tx_bd_ring_len * SIZEOFBD) % + UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) + length += UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; + + align = UEC_TX_BD_RING_ALIGNMENT; + uec->tx_bd_ring_offset = (u32)malloc((u32)(length + align)); + if (uec->tx_bd_ring_offset != 0) + uec->p_tx_bd_ring = (u8 *)((uec->tx_bd_ring_offset + align) + & ~(align - 1)); + + /* Zero all of Tx BDs */ + memset((void *)(uec->tx_bd_ring_offset), 0, length + align); + + /* Allocate Rx BDs */ + length = uec_info->rx_bd_ring_len * SIZEOFBD; + align = UEC_RX_BD_RING_ALIGNMENT; + uec->rx_bd_ring_offset = (u32)(malloc((u32)(length + align))); + if (uec->rx_bd_ring_offset != 0) + uec->p_rx_bd_ring = (u8 *)((uec->rx_bd_ring_offset + align) + & ~(align - 1)); + + /* Zero all of Rx BDs */ + memset((void *)(uec->rx_bd_ring_offset), 0, length + align); + + /* Allocate Rx buffer */ + length = uec_info->rx_bd_ring_len * MAX_RXBUF_LEN; + align = UEC_RX_DATA_BUF_ALIGNMENT; + uec->rx_buf_offset = (u32)malloc(length + align); + if (uec->rx_buf_offset != 0) + uec->p_rx_buf = (u8 *)((uec->rx_buf_offset + align) + & ~(align - 1)); + + /* Zero all of the Rx buffer */ + memset((void *)(uec->rx_buf_offset), 0, length + align); + + /* Init TxBD ring */ + bd = (struct buffer_descriptor *)uec->p_tx_bd_ring; + uec->tx_bd = bd; + + for (i = 0; i < uec_info->tx_bd_ring_len; i++) { + BD_DATA_CLEAR(bd); + BD_STATUS_SET(bd, 0); + BD_LENGTH_SET(bd, 0); + bd++; + } + BD_STATUS_SET((--bd), TX_BD_WRAP); + + /* Init RxBD ring */ + bd = (struct buffer_descriptor *)uec->p_rx_bd_ring; + uec->rx_bd = bd; + buf = uec->p_rx_buf; + for (i = 0; i < uec_info->rx_bd_ring_len; i++) { + BD_DATA_SET(bd, buf); + BD_LENGTH_SET(bd, 0); + BD_STATUS_SET(bd, RX_BD_EMPTY); + buf += MAX_RXBUF_LEN; + bd++; + } + BD_STATUS_SET((--bd), RX_BD_WRAP | RX_BD_EMPTY); + + /* Init global Tx parameter RAM */ + uec_init_tx_parameter(uec, num_threads_tx); + + /* Init global Rx parameter RAM */ + uec_init_rx_parameter(uec, num_threads_rx); + + /* Init ethernet Tx and Rx parameter command */ + if (uec_issue_init_enet_rxtx_cmd(uec, num_threads_tx, + num_threads_rx)) { + printf("%s issue init enet cmd failed\n", __func__); + return -ENOMEM; + } + return 0; +} + +/* Convert a string to a QE clock source enum + * + * This function takes a string, typically from a property in the device + * tree, and returns the corresponding "enum qe_clock" value. + */ +enum qe_clock qe_clock_source(const char *source) +{ + unsigned int i; + + if (strcasecmp(source, "none") == 0) + return QE_CLK_NONE; + + if (strncasecmp(source, "brg", 3) == 0) { + i = simple_strtoul(source + 3, NULL, 10); + if (i >= 1 && i <= 16) + return (QE_BRG1 - 1) + i; + else + return QE_CLK_DUMMY; + } + + if (strncasecmp(source, "clk", 3) == 0) { + i = simple_strtoul(source + 3, NULL, 10); + if (i >= 1 && i <= 24) + return (QE_CLK1 - 1) + i; + else + return QE_CLK_DUMMY; + } + + return QE_CLK_DUMMY; +} + +static void qe_uec_set_eth_type(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct uec_priv *uec = priv->uec; + struct uec_inf *uec_info = uec->uec_info; + struct ucc_fast_inf *uf_info = &uec_info->uf_info; + + switch (uec_info->enet_interface_type) { + case PHY_INTERFACE_MODE_GMII: + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_TBI: + case PHY_INTERFACE_MODE_RTBI: + case PHY_INTERFACE_MODE_SGMII: + uf_info->eth_type = GIGA_ETH; + break; + default: + uf_info->eth_type = FAST_ETH; + break; + } +} + +static int qe_uec_set_uec_info(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + struct uec_priv *uec = priv->uec; + struct uec_inf *uec_info; + struct ucc_fast_inf *uf_info; + const char *s; + int ret; + u32 val; + + uec_info = (struct uec_inf *)malloc(sizeof(struct uec_inf)); + if (!uec_info) + return -ENOMEM; + + uf_info = &uec_info->uf_info; + + ret = dev_read_u32(dev, "cell-index", &val); + if (ret) { + ret = dev_read_u32(dev, "device-id", &val); + if (ret) { + pr_err("no cell-index nor device-id found!"); + goto out; + } + } + + uf_info->ucc_num = val - 1; + if (uf_info->ucc_num < 0 || uf_info->ucc_num > 7) { + ret = -ENODEV; + goto out; + } + + ret = dev_read_string_index(dev, "rx-clock-name", 0, &s); + if (!ret) { + uf_info->rx_clock = qe_clock_source(s); + if (uf_info->rx_clock < QE_CLK_NONE || + uf_info->rx_clock > QE_CLK24) { + pr_err("invalid rx-clock-name property\n"); + ret = -EINVAL; + goto out; + } + } else { + ret = dev_read_u32(dev, "rx-clock", &val); + if (ret) { + /* + * If both rx-clock-name and rx-clock are missing, + * we want to tell people to use rx-clock-name. + */ + pr_err("missing rx-clock-name property\n"); + goto out; + } + if (val < QE_CLK_NONE || val > QE_CLK24) { + pr_err("invalid rx-clock property\n"); + ret = -EINVAL; + goto out; + } + uf_info->rx_clock = val; + } + + ret = dev_read_string_index(dev, "tx-clock-name", 0, &s); + if (!ret) { + uf_info->tx_clock = qe_clock_source(s); + if (uf_info->tx_clock < QE_CLK_NONE || + uf_info->tx_clock > QE_CLK24) { + pr_err("invalid tx-clock-name property\n"); + ret = -EINVAL; + goto out; + } + } else { + ret = dev_read_u32(dev, "tx-clock", &val); + if (ret) { + pr_err("missing tx-clock-name property\n"); + goto out; + } + if (val < QE_CLK_NONE || val > QE_CLK24) { + pr_err("invalid tx-clock property\n"); + ret = -EINVAL; + goto out; + } + uf_info->tx_clock = val; + } + + uec_info->num_threads_tx = UEC_NUM_OF_THREADS_1; + uec_info->num_threads_rx = UEC_NUM_OF_THREADS_1; + uec_info->risc_tx = QE_RISC_ALLOCATION_RISC1_AND_RISC2; + uec_info->risc_rx = QE_RISC_ALLOCATION_RISC1_AND_RISC2; + uec_info->tx_bd_ring_len = 16; + uec_info->rx_bd_ring_len = 16; +#if (MAX_QE_RISC == 4) + uec_info->risc_tx = QE_RISC_ALLOCATION_FOUR_RISCS; + uec_info->risc_rx = QE_RISC_ALLOCATION_FOUR_RISCS; +#endif + + uec_info->enet_interface_type = pdata->phy_interface; + + uec->uec_info = uec_info; + qe_uec_set_eth_type(dev); + + return 0; +out: + free(uec_info); + return ret; +} + +static int qe_uec_probe(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + struct uec_priv *uec; + int ret; + + /* Allocate the UEC private struct */ + uec = (struct uec_priv *)malloc(sizeof(struct uec_priv)); + if (!uec) + return -ENOMEM; + + memset(uec, 0, sizeof(struct uec_priv)); + priv->uec = uec; + uec->uec_regs = (uec_t *)pdata->iobase; + + /* setup uec info struct */ + ret = qe_uec_set_uec_info(dev); + if (ret) { + free(uec); + return ret; + } + + ret = uec_startup(dev); + if (ret) { + free(uec->uec_info); + free(uec); + return ret; + } + + priv->phydev = dm_eth_phy_connect(dev); + return 0; +} + +/* + * Remove the driver from an interface: + * - free up allocated memory + */ +static int qe_uec_remove(struct udevice *dev) +{ + struct qe_uec_priv *priv = dev_get_priv(dev); + + free(priv->uec); + return 0; +} + +static int qe_uec_ofdata_to_platdata(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + const char *phy_mode; + + pdata->iobase = (phys_addr_t)devfdt_get_addr(dev); + + pdata->phy_interface = -1; + phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), + "phy-connection-type", NULL); + if (phy_mode) + pdata->phy_interface = phy_get_interface_by_name(phy_mode); + if (pdata->phy_interface == -1) { + debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode); + return -EINVAL; + } + + return 0; +} + +static const struct udevice_id qe_uec_ids[] = { + { .compatible = QE_UEC_DRIVER_NAME }, + { } +}; + +U_BOOT_DRIVER(eth_qe_uec) = { + .name = QE_UEC_DRIVER_NAME, + .id = UCLASS_ETH, + .of_match = qe_uec_ids, + .ofdata_to_platdata = qe_uec_ofdata_to_platdata, + .probe = qe_uec_probe, + .remove = qe_uec_remove, + .ops = &qe_uec_eth_ops, + .priv_auto_alloc_size = sizeof(struct qe_uec_priv), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +}; diff --git a/drivers/net/qe/dm_qe_uec.h b/drivers/net/qe/dm_qe_uec.h new file mode 100644 index 0000000000..690093caa2 --- /dev/null +++ b/drivers/net/qe/dm_qe_uec.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ + * + * QE UEC ethernet controller driver + * + * based on drivers/qe/uec.c from NXP + * + * Copyright (C) 2020 Heiko Schocher <hs@denx.de> + */ + +#ifndef _DM_QE_UEC_H +#define _DM_QE_UEC_H + +#define qe_uec_dbg(dev, fmt, args...) debug("%s:" fmt, dev->name, ##args) + +#include "uec.h" + +/* QE UEC private structure */ +struct qe_uec_priv { + struct uec_priv *uec; + struct phy_device *phydev; +}; +#endif diff --git a/drivers/net/qe/dm_qe_uec_phy.c b/drivers/net/qe/dm_qe_uec_phy.c new file mode 100644 index 0000000000..02ce08edad --- /dev/null +++ b/drivers/net/qe/dm_qe_uec_phy.c @@ -0,0 +1,163 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * QE UEC ethernet phy controller driver + * + * based on phy parts of drivers/qe/uec.c and drivers/qe/uec_phy.c + * from NXP + * + * Copyright (C) 2020 Heiko Schocher <hs@denx.de> + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <miiphy.h> +#include <phy.h> +#include <asm/io.h> +#include <linux/ioport.h> + +#include "dm_qe_uec.h" + +struct qe_uec_mdio_priv { + struct ucc_mii_mng *base; +}; + +static int +qe_uec_mdio_read(struct udevice *dev, int addr, int devad, int reg) +{ + struct qe_uec_mdio_priv *priv = dev_get_priv(dev); + struct ucc_mii_mng *regs = priv->base; + u32 tmp_reg; + u16 value; + + debug("%s: regs: %p addr: %x devad: %x reg: %x\n", __func__, regs, + addr, devad, reg); + /* Setting up the MII management Address Register */ + tmp_reg = ((u32)addr << MIIMADD_PHY_ADDRESS_SHIFT) | reg; + out_be32(®s->miimadd, tmp_reg); + + /* clear MII management command cycle */ + out_be32(®s->miimcom, 0); + sync(); + + /* Perform an MII management read cycle */ + out_be32(®s->miimcom, MIIMCOM_READ_CYCLE); + + /* Wait till MII management write is complete */ + while ((in_be32(®s->miimind)) & + (MIIMIND_NOT_VALID | MIIMIND_BUSY)) + ; + + /* Read MII management status */ + value = (u16)in_be32(®s->miimstat); + if (value == 0xffff) + return -EINVAL; + + return value; +}; + +static int +qe_uec_mdio_write(struct udevice *dev, int addr, int devad, int reg, + u16 value) +{ + struct qe_uec_mdio_priv *priv = dev_get_priv(dev); + struct ucc_mii_mng *regs = priv->base; + u32 tmp_reg; + + debug("%s: regs: %p addr: %x devad: %x reg: %x val: %x\n", __func__, + regs, addr, devad, reg, value); + + /* Stop the MII management read cycle */ + out_be32(®s->miimcom, 0); + /* Setting up the MII management Address Register */ + tmp_reg = ((u32)addr << MIIMADD_PHY_ADDRESS_SHIFT) | reg; + out_be32(®s->miimadd, tmp_reg); + + /* Setting up the MII management Control Register with the value */ + out_be32(®s->miimcon, (u32)value); + sync(); + + /* Wait till MII management write is complete */ + while ((in_be32(®s->miimind)) & MIIMIND_BUSY) + ; + + return 0; +}; + +static const struct mdio_ops qe_uec_mdio_ops = { + .read = qe_uec_mdio_read, + .write = qe_uec_mdio_write, +}; + +static int qe_uec_mdio_probe(struct udevice *dev) +{ + struct qe_uec_mdio_priv *priv = dev_get_priv(dev); + fdt_size_t base; + ofnode node; + u32 num = 0; + int ret = -ENODEV; + + priv->base = (struct ucc_mii_mng *)dev_read_addr(dev); + base = (fdt_size_t)priv->base; + + /* + * idea from linux: + * drivers/net/ethernet/freescale/fsl_pq_mdio.c + * + * Find the UCC node that controls the given MDIO node + * + * For some reason, the QE MDIO nodes are not children of the UCC + * devices that control them. Therefore, we need to scan all UCC + * nodes looking for the one that encompases the given MDIO node. + * We do this by comparing physical addresses. The 'start' and + * 'end' addresses of the MDIO node are passed, and the correct + * UCC node will cover the entire address range. + */ + node = ofnode_by_compatible(ofnode_null(), "ucc_geth"); + while (ofnode_valid(node)) { + fdt_size_t size; + fdt_addr_t addr; + + addr = ofnode_get_addr_index(node, 0); + ret = ofnode_get_addr_size_index(node, 0, &size); + + if (addr == FDT_ADDR_T_NONE) { + node = ofnode_by_compatible(node, "ucc_geth"); + continue; + } + + /* check if priv->base in start end */ + if (base > addr && base < (addr + size)) { + ret = ofnode_read_u32(node, "cell-index", &num); + if (ret) + ret = ofnode_read_u32(node, "device-id", + &num); + break; + } + node = ofnode_by_compatible(node, "ucc_geth"); + } + + if (ret) { + printf("%s: no cell-index nor device-id found!", __func__); + return ret; + } + + /* Setup MII master clock source */ + qe_set_mii_clk_src(num - 1); + + return 0; +} + +static const struct udevice_id qe_uec_mdio_ids[] = { + { .compatible = "fsl,ucc-mdio" }, + { } +}; + +U_BOOT_DRIVER(mvmdio) = { + .name = "qe_uec_mdio", + .id = UCLASS_MDIO, + .of_match = qe_uec_mdio_ids, + .probe = qe_uec_mdio_probe, + .ops = &qe_uec_mdio_ops, + .priv_auto_alloc_size = sizeof(struct qe_uec_mdio_priv), +}; diff --git a/drivers/net/qe/uccf.c b/drivers/net/qe/uccf.c new file mode 100644 index 0000000000..306f1ea1db --- /dev/null +++ b/drivers/net/qe/uccf.c @@ -0,0 +1,507 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * based on source code of Shlomi Gridish + */ + +#include <common.h> +#include <malloc.h> +#include <linux/errno.h> +#include <asm/io.h> +#include <linux/immap_qe.h> +#include "uccf.h" +#include <fsl_qe.h> + +void ucc_fast_transmit_on_demand(struct ucc_fast_priv *uccf) +{ + out_be16(&uccf->uf_regs->utodr, UCC_FAST_TOD); +} + +u32 ucc_fast_get_qe_cr_subblock(int ucc_num) +{ + switch (ucc_num) { + case 0: + return QE_CR_SUBBLOCK_UCCFAST1; + case 1: + return QE_CR_SUBBLOCK_UCCFAST2; + case 2: + return QE_CR_SUBBLOCK_UCCFAST3; + case 3: + return QE_CR_SUBBLOCK_UCCFAST4; + case 4: + return QE_CR_SUBBLOCK_UCCFAST5; + case 5: + return QE_CR_SUBBLOCK_UCCFAST6; + case 6: + return QE_CR_SUBBLOCK_UCCFAST7; + case 7: + return QE_CR_SUBBLOCK_UCCFAST8; + default: + return QE_CR_SUBBLOCK_INVALID; + } +} + +static void ucc_get_cmxucr_reg(int ucc_num, u32 **p_cmxucr, + u8 *reg_num, u8 *shift) +{ + switch (ucc_num) { + case 0: /* UCC1 */ + *p_cmxucr = &qe_immr->qmx.cmxucr1; + *reg_num = 1; + *shift = 16; + break; + case 2: /* UCC3 */ + *p_cmxucr = &qe_immr->qmx.cmxucr1; + *reg_num = 1; + *shift = 0; + break; + case 4: /* UCC5 */ + *p_cmxucr = &qe_immr->qmx.cmxucr2; + *reg_num = 2; + *shift = 16; + break; + case 6: /* UCC7 */ + *p_cmxucr = &qe_immr->qmx.cmxucr2; + *reg_num = 2; + *shift = 0; + break; + case 1: /* UCC2 */ + *p_cmxucr = &qe_immr->qmx.cmxucr3; + *reg_num = 3; + *shift = 16; + break; + case 3: /* UCC4 */ + *p_cmxucr = &qe_immr->qmx.cmxucr3; + *reg_num = 3; + *shift = 0; + break; + case 5: /* UCC6 */ + *p_cmxucr = &qe_immr->qmx.cmxucr4; + *reg_num = 4; + *shift = 16; + break; + case 7: /* UCC8 */ + *p_cmxucr = &qe_immr->qmx.cmxucr4; + *reg_num = 4; + *shift = 0; + break; + default: + break; + } +} + +static int ucc_set_clk_src(int ucc_num, qe_clock_e clock, comm_dir_e mode) +{ + u32 *p_cmxucr = NULL; + u8 reg_num = 0; + u8 shift = 0; + u32 clk_bits; + u32 clk_mask; + int source = -1; + + /* check if the UCC number is in range. */ + if ((ucc_num > UCC_MAX_NUM - 1) || ucc_num < 0) + return -EINVAL; + + if (!(mode == COMM_DIR_RX || mode == COMM_DIR_TX)) { + printf("%s: bad comm mode type passed\n", __func__); + return -EINVAL; + } + + ucc_get_cmxucr_reg(ucc_num, &p_cmxucr, ®_num, &shift); + + switch (reg_num) { + case 1: + switch (clock) { + case QE_BRG1: + source = 1; + break; + case QE_BRG2: + source = 2; + break; + case QE_BRG7: + source = 3; + break; + case QE_BRG8: + source = 4; + break; + case QE_CLK9: + source = 5; + break; + case QE_CLK10: + source = 6; + break; + case QE_CLK11: + source = 7; + break; + case QE_CLK12: + source = 8; + break; + case QE_CLK15: + source = 9; + break; + case QE_CLK16: + source = 10; + break; + default: + source = -1; + break; + } + break; + case 2: + switch (clock) { + case QE_BRG5: + source = 1; + break; + case QE_BRG6: + source = 2; + break; + case QE_BRG7: + source = 3; + break; + case QE_BRG8: + source = 4; + break; + case QE_CLK13: + source = 5; + break; + case QE_CLK14: + source = 6; + break; + case QE_CLK19: + source = 7; + break; + case QE_CLK20: + source = 8; + break; + case QE_CLK15: + source = 9; + break; + case QE_CLK16: + source = 10; + break; + default: + source = -1; + break; + } + break; + case 3: + switch (clock) { + case QE_BRG9: + source = 1; + break; + case QE_BRG10: + source = 2; + break; + case QE_BRG15: + source = 3; + break; + case QE_BRG16: + source = 4; + break; + case QE_CLK3: + source = 5; + break; + case QE_CLK4: + source = 6; + break; + case QE_CLK17: + source = 7; + break; + case QE_CLK18: + source = 8; + break; + case QE_CLK7: + source = 9; + break; + case QE_CLK8: + source = 10; + break; + case QE_CLK16: + source = 11; + break; + default: + source = -1; + break; + } + break; + case 4: + switch (clock) { + case QE_BRG13: + source = 1; + break; + case QE_BRG14: + source = 2; + break; + case QE_BRG15: + source = 3; + break; + case QE_BRG16: + source = 4; + break; + case QE_CLK5: + source = 5; + break; + case QE_CLK6: + source = 6; + break; + case QE_CLK21: + source = 7; + break; + case QE_CLK22: + source = 8; + break; + case QE_CLK7: + source = 9; + break; + case QE_CLK8: + source = 10; + break; + case QE_CLK16: + source = 11; + break; + default: + source = -1; + break; + } + break; + default: + source = -1; + break; + } + + if (source == -1) { + printf("%s: Bad combination of clock and UCC\n", __func__); + return -ENOENT; + } + + clk_bits = (u32)source; + clk_mask = QE_CMXUCR_TX_CLK_SRC_MASK; + if (mode == COMM_DIR_RX) { + clk_bits <<= 4; /* Rx field is 4 bits to left of Tx field */ + clk_mask <<= 4; /* Rx field is 4 bits to left of Tx field */ + } + clk_bits <<= shift; + clk_mask <<= shift; + + out_be32(p_cmxucr, (in_be32(p_cmxucr) & ~clk_mask) | clk_bits); + + return 0; +} + +static uint ucc_get_reg_baseaddr(int ucc_num) +{ + uint base = 0; + + /* check if the UCC number is in range */ + if ((ucc_num > UCC_MAX_NUM - 1) || ucc_num < 0) { + printf("%s: the UCC num not in ranges\n", __func__); + return 0; + } + + switch (ucc_num) { + case 0: + base = 0x00002000; + break; + case 1: + base = 0x00003000; + break; + case 2: + base = 0x00002200; + break; + case 3: + base = 0x00003200; + break; + case 4: + base = 0x00002400; + break; + case 5: + base = 0x00003400; + break; + case 6: + base = 0x00002600; + break; + case 7: + base = 0x00003600; + break; + default: + break; + } + + base = (uint)qe_immr + base; + return base; +} + +void ucc_fast_enable(struct ucc_fast_priv *uccf, comm_dir_e mode) +{ + ucc_fast_t *uf_regs; + u32 gumr; + + uf_regs = uccf->uf_regs; + + /* Enable reception and/or transmission on this UCC. */ + gumr = in_be32(&uf_regs->gumr); + if (mode & COMM_DIR_TX) { + gumr |= UCC_FAST_GUMR_ENT; + uccf->enabled_tx = 1; + } + if (mode & COMM_DIR_RX) { + gumr |= UCC_FAST_GUMR_ENR; + uccf->enabled_rx = 1; + } + out_be32(&uf_regs->gumr, gumr); +} + +void ucc_fast_disable(struct ucc_fast_priv *uccf, comm_dir_e mode) +{ + ucc_fast_t *uf_regs; + u32 gumr; + + uf_regs = uccf->uf_regs; + + /* Disable reception and/or transmission on this UCC. */ + gumr = in_be32(&uf_regs->gumr); + if (mode & COMM_DIR_TX) { + gumr &= ~UCC_FAST_GUMR_ENT; + uccf->enabled_tx = 0; + } + if (mode & COMM_DIR_RX) { + gumr &= ~UCC_FAST_GUMR_ENR; + uccf->enabled_rx = 0; + } + out_be32(&uf_regs->gumr, gumr); +} + +int ucc_fast_init(struct ucc_fast_inf *uf_info, + struct ucc_fast_priv **uccf_ret) +{ + struct ucc_fast_priv *uccf; + ucc_fast_t *uf_regs; + + if (!uf_info) + return -EINVAL; + + if (uf_info->ucc_num < 0 || (uf_info->ucc_num > UCC_MAX_NUM - 1)) { + printf("%s: Illagal UCC number!\n", __func__); + return -EINVAL; + } + + uccf = (struct ucc_fast_priv *)malloc(sizeof(struct ucc_fast_priv)); + if (!uccf) { + printf("%s: No memory for UCC fast data structure!\n", + __func__); + return -ENOMEM; + } + memset(uccf, 0, sizeof(struct ucc_fast_priv)); + + /* Save fast UCC structure */ + uccf->uf_info = uf_info; + uccf->uf_regs = (ucc_fast_t *)ucc_get_reg_baseaddr(uf_info->ucc_num); + + if (!uccf->uf_regs) { + printf("%s: No memory map for UCC fast controller!\n", + __func__); + return -ENOMEM; + } + + uccf->enabled_tx = 0; + uccf->enabled_rx = 0; + + uf_regs = uccf->uf_regs; + uccf->p_ucce = (u32 *)&uf_regs->ucce; + uccf->p_uccm = (u32 *)&uf_regs->uccm; + + /* Init GUEMR register, UCC both Rx and Tx is Fast protocol */ + out_8(&uf_regs->guemr, UCC_GUEMR_SET_RESERVED3 | UCC_GUEMR_MODE_FAST_RX + | UCC_GUEMR_MODE_FAST_TX); + + /* Set GUMR, disable UCC both Rx and Tx, Ethernet protocol */ + out_be32(&uf_regs->gumr, UCC_FAST_GUMR_ETH); + + /* Set the Giga ethernet VFIFO stuff */ + if (uf_info->eth_type == GIGA_ETH) { + /* Allocate memory for Tx Virtual Fifo */ + uccf->ucc_fast_tx_virtual_fifo_base_offset = + qe_muram_alloc(UCC_GETH_UTFS_GIGA_INIT, + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + + /* Allocate memory for Rx Virtual Fifo */ + uccf->ucc_fast_rx_virtual_fifo_base_offset = + qe_muram_alloc(UCC_GETH_URFS_GIGA_INIT + + UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD, + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + + /* utfb, urfb are offsets from MURAM base */ + out_be32(&uf_regs->utfb, + uccf->ucc_fast_tx_virtual_fifo_base_offset); + out_be32(&uf_regs->urfb, + uccf->ucc_fast_rx_virtual_fifo_base_offset); + + /* Set Virtual Fifo registers */ + out_be16(&uf_regs->urfs, UCC_GETH_URFS_GIGA_INIT); + out_be16(&uf_regs->urfet, UCC_GETH_URFET_GIGA_INIT); + out_be16(&uf_regs->urfset, UCC_GETH_URFSET_GIGA_INIT); + out_be16(&uf_regs->utfs, UCC_GETH_UTFS_GIGA_INIT); + out_be16(&uf_regs->utfet, UCC_GETH_UTFET_GIGA_INIT); + out_be16(&uf_regs->utftt, UCC_GETH_UTFTT_GIGA_INIT); + } + + /* Set the Fast ethernet VFIFO stuff */ + if (uf_info->eth_type == FAST_ETH) { + /* Allocate memory for Tx Virtual Fifo */ + uccf->ucc_fast_tx_virtual_fifo_base_offset = + qe_muram_alloc(UCC_GETH_UTFS_INIT, + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + + /* Allocate memory for Rx Virtual Fifo */ + uccf->ucc_fast_rx_virtual_fifo_base_offset = + qe_muram_alloc(UCC_GETH_URFS_INIT + + UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD, + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + + /* utfb, urfb are offsets from MURAM base */ + out_be32(&uf_regs->utfb, + uccf->ucc_fast_tx_virtual_fifo_base_offset); + out_be32(&uf_regs->urfb, + uccf->ucc_fast_rx_virtual_fifo_base_offset); + + /* Set Virtual Fifo registers */ + out_be16(&uf_regs->urfs, UCC_GETH_URFS_INIT); + out_be16(&uf_regs->urfet, UCC_GETH_URFET_INIT); + out_be16(&uf_regs->urfset, UCC_GETH_URFSET_INIT); + out_be16(&uf_regs->utfs, UCC_GETH_UTFS_INIT); + out_be16(&uf_regs->utfet, UCC_GETH_UTFET_INIT); + out_be16(&uf_regs->utftt, UCC_GETH_UTFTT_INIT); + } + + /* Rx clock routing */ + if (uf_info->rx_clock != QE_CLK_NONE) { + if (ucc_set_clk_src(uf_info->ucc_num, + uf_info->rx_clock, COMM_DIR_RX)) { + printf("%s: Illegal value for parameter 'RxClock'.\n", + __func__); + return -EINVAL; + } + } + + /* Tx clock routing */ + if (uf_info->tx_clock != QE_CLK_NONE) { + if (ucc_set_clk_src(uf_info->ucc_num, + uf_info->tx_clock, COMM_DIR_TX)) { + printf("%s: Illegal value for parameter 'TxClock'.\n", + __func__); + return -EINVAL; + } + } + + /* Clear interrupt mask register to disable all of interrupts */ + out_be32(&uf_regs->uccm, 0x0); + + /* Writing '1' to clear all of envents */ + out_be32(&uf_regs->ucce, 0xffffffff); + + *uccf_ret = uccf; + return 0; +} diff --git a/drivers/net/qe/uccf.h b/drivers/net/qe/uccf.h new file mode 100644 index 0000000000..99f8458edf --- /dev/null +++ b/drivers/net/qe/uccf.h @@ -0,0 +1,119 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * based on source code of Shlomi Gridish + */ + +#ifndef __UCCF_H__ +#define __UCCF_H__ + +#include "common.h" +#include "linux/immap_qe.h" +#include <fsl_qe.h> + +/* Fast or Giga ethernet */ +enum enet_type { + FAST_ETH, + GIGA_ETH, +}; + +/* General UCC Extended Mode Register */ +#define UCC_GUEMR_MODE_MASK_RX 0x02 +#define UCC_GUEMR_MODE_MASK_TX 0x01 +#define UCC_GUEMR_MODE_FAST_RX 0x02 +#define UCC_GUEMR_MODE_FAST_TX 0x01 +#define UCC_GUEMR_MODE_SLOW_RX 0x00 +#define UCC_GUEMR_MODE_SLOW_TX 0x00 +/* Bit 3 must be set 1 */ +#define UCC_GUEMR_SET_RESERVED3 0x10 + +/* General UCC FAST Mode Register */ +#define UCC_FAST_GUMR_TCI 0x20000000 +#define UCC_FAST_GUMR_TRX 0x10000000 +#define UCC_FAST_GUMR_TTX 0x08000000 +#define UCC_FAST_GUMR_CDP 0x04000000 +#define UCC_FAST_GUMR_CTSP 0x02000000 +#define UCC_FAST_GUMR_CDS 0x01000000 +#define UCC_FAST_GUMR_CTSS 0x00800000 +#define UCC_FAST_GUMR_TXSY 0x00020000 +#define UCC_FAST_GUMR_RSYN 0x00010000 +#define UCC_FAST_GUMR_RTSM 0x00002000 +#define UCC_FAST_GUMR_REVD 0x00000400 +#define UCC_FAST_GUMR_ENR 0x00000020 +#define UCC_FAST_GUMR_ENT 0x00000010 + +/* GUMR [MODE] bit maps */ +#define UCC_FAST_GUMR_HDLC 0x00000000 +#define UCC_FAST_GUMR_QMC 0x00000002 +#define UCC_FAST_GUMR_UART 0x00000004 +#define UCC_FAST_GUMR_BISYNC 0x00000008 +#define UCC_FAST_GUMR_ATM 0x0000000a +#define UCC_FAST_GUMR_ETH 0x0000000c + +/* Transmit On Demand (UTORD) */ +#define UCC_SLOW_TOD 0x8000 +#define UCC_FAST_TOD 0x8000 + +/* Fast Ethernet (10/100 Mbps) */ +/* Rx virtual FIFO size */ +#define UCC_GETH_URFS_INIT 512 +/* 1/2 urfs */ +#define UCC_GETH_URFET_INIT 256 +/* 3/4 urfs */ +#define UCC_GETH_URFSET_INIT 384 +/* Tx virtual FIFO size */ +#define UCC_GETH_UTFS_INIT 512 +/* 1/2 utfs */ +#define UCC_GETH_UTFET_INIT 256 +#define UCC_GETH_UTFTT_INIT 128 + +/* Gigabit Ethernet (1000 Mbps) */ +/* Rx virtual FIFO size */ +#define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ +/* 1/2 urfs */ +#define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ +/* 3/4 urfs */ +#define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ +/* Tx virtual FIFO size */ +#define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ +/* 1/2 utfs */ +#define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ +#define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ + +/* UCC fast alignment */ +#define UCC_FAST_RX_ALIGN 4 +#define UCC_FAST_MRBLR_ALIGNMENT 4 +#define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8 + +/* Sizes */ +#define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8 + +/* UCC fast structure. */ +struct ucc_fast_inf { + int ucc_num; + qe_clock_e rx_clock; + qe_clock_e tx_clock; + enum enet_type eth_type; +}; + +struct ucc_fast_priv { + struct ucc_fast_inf *uf_info; + ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */ + u32 *p_ucce; /* a pointer to the event register */ + u32 *p_uccm; /* a pointer to the mask register */ + int enabled_tx; /* whether UCC is enabled for Tx (ENT) */ + int enabled_rx; /* whether UCC is enabled for Rx (ENR) */ + u32 ucc_fast_tx_virtual_fifo_base_offset; + u32 ucc_fast_rx_virtual_fifo_base_offset; +}; + +void ucc_fast_transmit_on_demand(struct ucc_fast_priv *uccf); +u32 ucc_fast_get_qe_cr_subblock(int ucc_num); +void ucc_fast_enable(struct ucc_fast_priv *uccf, comm_dir_e mode); +void ucc_fast_disable(struct ucc_fast_priv *uccf, comm_dir_e mode); +int ucc_fast_init(struct ucc_fast_inf *uf_info, + struct ucc_fast_priv **uccf_ret); + +#endif /* __UCCF_H__ */ diff --git a/drivers/net/qe/uec.h b/drivers/net/qe/uec.h new file mode 100644 index 0000000000..7cd4b8737a --- /dev/null +++ b/drivers/net/qe/uec.h @@ -0,0 +1,693 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2006-2010 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * based on source code of Shlomi Gridish + */ + +#ifndef __UEC_H__ +#define __UEC_H__ + +#include "uccf.h" +#include <fsl_qe.h> +#include <phy.h> + +#define MAX_TX_THREADS 8 +#define MAX_RX_THREADS 8 +#define MAX_TX_QUEUES 8 +#define MAX_RX_QUEUES 8 +#define MAX_PREFETCHED_BDS 4 +#define MAX_IPH_OFFSET_ENTRY 8 +#define MAX_ENET_INIT_PARAM_ENTRIES_RX 9 +#define MAX_ENET_INIT_PARAM_ENTRIES_TX 8 + +/* UEC UPSMR (Protocol Specific Mode Register) + */ +#define UPSMR_ECM 0x04000000 /* Enable CAM Miss */ +#define UPSMR_HSE 0x02000000 /* Hardware Statistics Enable */ +#define UPSMR_PRO 0x00400000 /* Promiscuous */ +#define UPSMR_CAP 0x00200000 /* CAM polarity */ +#define UPSMR_RSH 0x00100000 /* Receive Short Frames */ +#define UPSMR_RPM 0x00080000 /* Reduced Pin Mode interfaces */ +#define UPSMR_R10M 0x00040000 /* RGMII/RMII 10 Mode */ +#define UPSMR_RLPB 0x00020000 /* RMII Loopback Mode */ +#define UPSMR_TBIM 0x00010000 /* Ten-bit Interface Mode */ +#define UPSMR_RMM 0x00001000 /* RMII/RGMII Mode */ +#define UPSMR_CAM 0x00000400 /* CAM Address Matching */ +#define UPSMR_BRO 0x00000200 /* Broadcast Address */ +#define UPSMR_RES1 0x00002000 /* Reserved feild - must be 1 */ +#define UPSMR_SGMM 0x00000020 /* SGMII mode */ + +#define UPSMR_INIT_VALUE (UPSMR_HSE | UPSMR_RES1) + +/* UEC MACCFG1 (MAC Configuration 1 Register) + */ +#define MACCFG1_FLOW_RX 0x00000020 /* Flow Control Rx */ +#define MACCFG1_FLOW_TX 0x00000010 /* Flow Control Tx */ +#define MACCFG1_ENABLE_SYNCHED_RX 0x00000008 /* Enable Rx Sync */ +#define MACCFG1_ENABLE_RX 0x00000004 /* Enable Rx */ +#define MACCFG1_ENABLE_SYNCHED_TX 0x00000002 /* Enable Tx Sync */ +#define MACCFG1_ENABLE_TX 0x00000001 /* Enable Tx */ + +#define MACCFG1_INIT_VALUE (0) + +/* UEC MACCFG2 (MAC Configuration 2 Register) + */ +#define MACCFG2_PREL 0x00007000 +#define MACCFG2_PREL_SHIFT (31 - 19) +#define MACCFG2_PREL_MASK 0x0000f000 +#define MACCFG2_SRP 0x00000080 +#define MACCFG2_STP 0x00000040 +#define MACCFG2_RESERVED_1 0x00000020 /* must be set */ +#define MACCFG2_LC 0x00000010 /* Length Check */ +#define MACCFG2_MPE 0x00000008 +#define MACCFG2_FDX 0x00000001 /* Full Duplex */ +#define MACCFG2_FDX_MASK 0x00000001 +#define MACCFG2_PAD_CRC 0x00000004 +#define MACCFG2_CRC_EN 0x00000002 +#define MACCFG2_PAD_AND_CRC_MODE_NONE 0x00000000 +#define MACCFG2_PAD_AND_CRC_MODE_CRC_ONLY 0x00000002 +#define MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC 0x00000004 +#define MACCFG2_INTERFACE_MODE_NIBBLE 0x00000100 +#define MACCFG2_INTERFACE_MODE_BYTE 0x00000200 +#define MACCFG2_INTERFACE_MODE_MASK 0x00000300 + +#define MACCFG2_INIT_VALUE (MACCFG2_PREL | MACCFG2_RESERVED_1 | \ + MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX) + +/* UEC Event Register */ +#define UCCE_MPD 0x80000000 +#define UCCE_SCAR 0x40000000 +#define UCCE_GRA 0x20000000 +#define UCCE_CBPR 0x10000000 +#define UCCE_BSY 0x08000000 +#define UCCE_RXC 0x04000000 +#define UCCE_TXC 0x02000000 +#define UCCE_TXE 0x01000000 +#define UCCE_TXB7 0x00800000 +#define UCCE_TXB6 0x00400000 +#define UCCE_TXB5 0x00200000 +#define UCCE_TXB4 0x00100000 +#define UCCE_TXB3 0x00080000 +#define UCCE_TXB2 0x00040000 +#define UCCE_TXB1 0x00020000 +#define UCCE_TXB0 0x00010000 +#define UCCE_RXB7 0x00008000 +#define UCCE_RXB6 0x00004000 +#define UCCE_RXB5 0x00002000 +#define UCCE_RXB4 0x00001000 +#define UCCE_RXB3 0x00000800 +#define UCCE_RXB2 0x00000400 +#define UCCE_RXB1 0x00000200 +#define UCCE_RXB0 0x00000100 +#define UCCE_RXF7 0x00000080 +#define UCCE_RXF6 0x00000040 +#define UCCE_RXF5 0x00000020 +#define UCCE_RXF4 0x00000010 +#define UCCE_RXF3 0x00000008 +#define UCCE_RXF2 0x00000004 +#define UCCE_RXF1 0x00000002 +#define UCCE_RXF0 0x00000001 + +#define UCCE_TXB (UCCE_TXB7 | UCCE_TXB6 | UCCE_TXB5 | UCCE_TXB4 | \ + UCCE_TXB3 | UCCE_TXB2 | UCCE_TXB1 | UCCE_TXB0) +#define UCCE_RXB (UCCE_RXB7 | UCCE_RXB6 | UCCE_RXB5 | UCCE_RXB4 | \ + UCCE_RXB3 | UCCE_RXB2 | UCCE_RXB1 | UCCE_RXB0) +#define UCCE_RXF (UCCE_RXF7 | UCCE_RXF6 | UCCE_RXF5 | UCCE_RXF4 | \ + UCCE_RXF3 | UCCE_RXF2 | UCCE_RXF1 | UCCE_RXF0) +#define UCCE_OTHER (UCCE_SCAR | UCCE_GRA | UCCE_CBPR | UCCE_BSY | \ + UCCE_RXC | UCCE_TXC | UCCE_TXE) + +/* UEC TEMODR Register */ +#define TEMODER_SCHEDULER_ENABLE 0x2000 +#define TEMODER_IP_CHECKSUM_GENERATE 0x0400 +#define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1 0x0200 +#define TEMODER_RMON_STATISTICS 0x0100 +#define TEMODER_NUM_OF_QUEUES_SHIFT (15 - 15) + +#define TEMODER_INIT_VALUE 0xc000 + +/* UEC REMODR Register */ +#define REMODER_RX_RMON_STATISTICS_ENABLE 0x00001000 +#define REMODER_RX_EXTENDED_FEATURES 0x80000000 +#define REMODER_VLAN_OPERATION_TAGGED_SHIFT (31 - 9) +#define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31 - 10) +#define REMODER_RX_QOS_MODE_SHIFT (31 - 15) +#define REMODER_RMON_STATISTICS 0x00001000 +#define REMODER_RX_EXTENDED_FILTERING 0x00000800 +#define REMODER_NUM_OF_QUEUES_SHIFT (31 - 23) +#define REMODER_DYNAMIC_MAX_FRAME_LENGTH 0x00000008 +#define REMODER_DYNAMIC_MIN_FRAME_LENGTH 0x00000004 +#define REMODER_IP_CHECKSUM_CHECK 0x00000002 +#define REMODER_IP_ADDRESS_ALIGNMENT 0x00000001 + +#define REMODER_INIT_VALUE 0 + +/* BMRx - Bus Mode Register */ +#define BMR_GLB 0x20 +#define BMR_BO_BE 0x10 +#define BMR_DTB_SECONDARY_BUS 0x02 +#define BMR_BDB_SECONDARY_BUS 0x01 + +#define BMR_SHIFT 24 +#define BMR_INIT_VALUE (BMR_GLB | BMR_BO_BE) + +/* UEC UCCS (Ethernet Status Register) + */ +#define UCCS_BPR 0x02 +#define UCCS_PAU 0x02 +#define UCCS_MPD 0x01 + +/* UEC MIIMCFG (MII Management Configuration Register) + */ +#define MIIMCFG_RESET_MANAGEMENT 0x80000000 +#define MIIMCFG_NO_PREAMBLE 0x00000010 +#define MIIMCFG_CLOCK_DIVIDE_SHIFT (31 - 31) +#define MIIMCFG_CLOCK_DIVIDE_MASK 0x0000000f +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4 0x00000001 +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6 0x00000002 +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8 0x00000003 +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10 0x00000004 +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14 0x00000005 +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20 0x00000006 +#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28 0x00000007 + +#define MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE \ + MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10 + +/* UEC MIIMCOM (MII Management Command Register) + */ +#define MIIMCOM_SCAN_CYCLE 0x00000002 /* Scan cycle */ +#define MIIMCOM_READ_CYCLE 0x00000001 /* Read cycle */ + +/* UEC MIIMADD (MII Management Address Register) + */ +#define MIIMADD_PHY_ADDRESS_SHIFT (31 - 23) +#define MIIMADD_PHY_REGISTER_SHIFT (31 - 31) + +/* UEC MIIMCON (MII Management Control Register) + */ +#define MIIMCON_PHY_CONTROL_SHIFT (31 - 31) +#define MIIMCON_PHY_STATUS_SHIFT (31 - 31) + +/* UEC MIIMIND (MII Management Indicator Register) + */ +#define MIIMIND_NOT_VALID 0x00000004 +#define MIIMIND_SCAN 0x00000002 +#define MIIMIND_BUSY 0x00000001 + +/* UEC UTBIPAR (Ten Bit Interface Physical Address Register) + */ +#define UTBIPAR_PHY_ADDRESS_SHIFT (31 - 31) +#define UTBIPAR_PHY_ADDRESS_MASK 0x0000001f + +/* UEC UESCR (Ethernet Statistics Control Register) + */ +#define UESCR_AUTOZ 0x8000 +#define UESCR_CLRCNT 0x4000 +#define UESCR_MAXCOV_SHIFT (15 - 7) +#define UESCR_SCOV_SHIFT (15 - 15) + +/****** Tx data struct collection ******/ +/* Tx thread data, each Tx thread has one this struct. */ +struct uec_thread_data_tx { + u8 res0[136]; +} __packed; + +/* Tx thread parameter, each Tx thread has one this struct. */ +struct uec_thread_tx_pram { + u8 res0[64]; +} __packed; + +/* Send queue queue-descriptor, each Tx queue has one this QD */ +struct uec_send_queue_qd { + u32 bd_ring_base; /* pointer to BD ring base address */ + u8 res0[0x8]; + u32 last_bd_completed_address; /* last entry in BD ring */ + u8 res1[0x30]; +} __packed; + +/* Send queue memory region */ +struct uec_send_queue_mem_region { + struct uec_send_queue_qd sqqd[MAX_TX_QUEUES]; +} __packed; + +/* Scheduler struct */ +struct uec_scheduler { + u16 cpucount0; /* CPU packet counter */ + u16 cpucount1; /* CPU packet counter */ + u16 cecount0; /* QE packet counter */ + u16 cecount1; /* QE packet counter */ + u16 cpucount2; /* CPU packet counter */ + u16 cpucount3; /* CPU packet counter */ + u16 cecount2; /* QE packet counter */ + u16 cecount3; /* QE packet counter */ + u16 cpucount4; /* CPU packet counter */ + u16 cpucount5; /* CPU packet counter */ + u16 cecount4; /* QE packet counter */ + u16 cecount5; /* QE packet counter */ + u16 cpucount6; /* CPU packet counter */ + u16 cpucount7; /* CPU packet counter */ + u16 cecount6; /* QE packet counter */ + u16 cecount7; /* QE packet counter */ + u32 weightstatus[MAX_TX_QUEUES]; /* accumulated weight factor */ + u32 rtsrshadow; /* temporary variable handled by QE */ + u32 time; /* temporary variable handled by QE */ + u32 ttl; /* temporary variable handled by QE */ + u32 mblinterval; /* max burst length interval */ + u16 nortsrbytetime; /* normalized value of byte time in tsr units */ + u8 fracsiz; + u8 res0[1]; + u8 strictpriorityq; /* Strict Priority Mask register */ + u8 txasap; /* Transmit ASAP register */ + u8 extrabw; /* Extra BandWidth register */ + u8 oldwfqmask; /* temporary variable handled by QE */ + u8 weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */ + u32 minw; /* temporary variable handled by QE */ + u8 res1[0x70 - 0x64]; +} __packed; + +/* Tx firmware counters */ +struct uec_tx_firmware_statistics_pram { + u32 sicoltx; /* single collision */ + u32 mulcoltx; /* multiple collision */ + u32 latecoltxfr; /* late collision */ + u32 frabortduecol; /* frames aborted due to tx collision */ + u32 frlostinmactxer; /* frames lost due to internal MAC error tx */ + u32 carriersenseertx; /* carrier sense error */ + u32 frtxok; /* frames transmitted OK */ + u32 txfrexcessivedefer; + u32 txpkts256; /* total packets(including bad) 256~511 B */ + u32 txpkts512; /* total packets(including bad) 512~1023B */ + u32 txpkts1024; /* total packets(including bad) 1024~1518B */ + u32 txpktsjumbo; /* total packets(including bad) >1024 */ +} __packed; + +/* Tx global parameter table */ +struct uec_tx_global_pram { + u16 temoder; + u8 res0[0x38 - 0x02]; + u32 sqptr; + u32 schedulerbasepointer; + u32 txrmonbaseptr; + u32 tstate; + u8 iphoffset[MAX_IPH_OFFSET_ENTRY]; + u32 vtagtable[0x8]; + u32 tqptr; + u8 res2[0x80 - 0x74]; +} __packed; + +/****** Rx data struct collection ******/ +/* Rx thread data, each Rx thread has one this struct. */ +struct uec_thread_data_rx { + u8 res0[40]; +} __packed; + +/* Rx thread parameter, each Rx thread has one this struct. */ +struct uec_thread_rx_pram { + u8 res0[128]; +} __packed; + +/* Rx firmware counters */ +struct uec_rx_firmware_statistics_pram { + u32 frrxfcser; /* frames with crc error */ + u32 fraligner; /* frames with alignment error */ + u32 inrangelenrxer; /* in range length error */ + u32 outrangelenrxer; /* out of range length error */ + u32 frtoolong; /* frame too long */ + u32 runt; /* runt */ + u32 verylongevent; /* very long event */ + u32 symbolerror; /* symbol error */ + u32 dropbsy; /* drop because of BD not ready */ + u8 res0[0x8]; + u32 mismatchdrop; /* drop because of MAC filtering */ + u32 underpkts; /* total frames less than 64 octets */ + u32 pkts256; /* total frames(including bad)256~511 B */ + u32 pkts512; /* total frames(including bad)512~1023 B */ + u32 pkts1024; /* total frames(including bad)1024~1518 B */ + u32 pktsjumbo; /* total frames(including bad) >1024 B */ + u32 frlossinmacer; + u32 pausefr; /* pause frames */ + u8 res1[0x4]; + u32 removevlan; + u32 replacevlan; + u32 insertvlan; +} __packed; + +/* Rx interrupt coalescing entry, each Rx queue has one this entry. */ +struct uec_rx_interrupt_coalescing_entry { + u32 maxvalue; + u32 counter; +} __packed; + +struct uec_rx_interrupt_coalescing_table { + struct uec_rx_interrupt_coalescing_entry entry[MAX_RX_QUEUES]; +} __packed; + +/* RxBD queue entry, each Rx queue has one this entry. */ +struct uec_rx_bd_queues_entry { + u32 bdbaseptr; /* BD base pointer */ + u32 bdptr; /* BD pointer */ + u32 externalbdbaseptr; /* external BD base pointer */ + u32 externalbdptr; /* external BD pointer */ +} __packed; + +/* Rx global parameter table */ +struct uec_rx_global_pram { + u32 remoder; /* ethernet mode reg. */ + u32 rqptr; /* base pointer to the Rx Queues */ + u32 res0[0x1]; + u8 res1[0x20 - 0xc]; + u16 typeorlen; + u8 res2[0x1]; + u8 rxgstpack; /* ack on GRACEFUL STOP RX command */ + u32 rxrmonbaseptr; /* Rx RMON statistics base */ + u8 res3[0x30 - 0x28]; + u32 intcoalescingptr; /* Interrupt coalescing table pointer */ + u8 res4[0x36 - 0x34]; + u8 rstate; + u8 res5[0x46 - 0x37]; + u16 mrblr; /* max receive buffer length reg. */ + u32 rbdqptr; /* RxBD parameter table description */ + u16 mflr; /* max frame length reg. */ + u16 minflr; /* min frame length reg. */ + u16 maxd1; /* max dma1 length reg. */ + u16 maxd2; /* max dma2 length reg. */ + u32 ecamptr; /* external CAM address */ + u32 l2qt; /* VLAN priority mapping table. */ + u32 l3qt[0x8]; /* IP priority mapping table. */ + u16 vlantype; /* vlan type */ + u16 vlantci; /* default vlan tci */ + u8 addressfiltering[64];/* address filtering data structure */ + u32 exf_global_param; /* extended filtering global parameters */ + u8 res6[0x100 - 0xc4]; /* Initialize to zero */ +} __packed; + +#define GRACEFUL_STOP_ACKNOWLEDGE_RX 0x01 + +/****** UEC common ******/ +/* UCC statistics - hardware counters */ +struct uec_hardware_statistics { + u32 tx64; + u32 tx127; + u32 tx255; + u32 rx64; + u32 rx127; + u32 rx255; + u32 txok; + u16 txcf; + u32 tmca; + u32 tbca; + u32 rxfok; + u32 rxbok; + u32 rbyt; + u32 rmca; + u32 rbca; +} __packed; + +/* InitEnet command parameter */ +struct uec_init_cmd_pram { + u8 resinit0; + u8 resinit1; + u8 resinit2; + u8 resinit3; + u16 resinit4; + u8 res1[0x1]; + u8 largestexternallookupkeysize; + u32 rgftgfrxglobal; + u32 rxthread[MAX_ENET_INIT_PARAM_ENTRIES_RX]; /* rx threads */ + u8 res2[0x38 - 0x30]; + u32 txglobal; /* tx global */ + u32 txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */ + u8 res3[0x1]; +} __packed; + +#define ENET_INIT_PARAM_RGF_SHIFT (32 - 4) +#define ENET_INIT_PARAM_TGF_SHIFT (32 - 8) + +#define ENET_INIT_PARAM_RISC_MASK 0x0000003f +#define ENET_INIT_PARAM_PTR_MASK 0x00ffffc0 +#define ENET_INIT_PARAM_SNUM_MASK 0xff000000 +#define ENET_INIT_PARAM_SNUM_SHIFT 24 + +#define ENET_INIT_PARAM_MAGIC_RES_INIT0 0x06 +#define ENET_INIT_PARAM_MAGIC_RES_INIT1 0x30 +#define ENET_INIT_PARAM_MAGIC_RES_INIT2 0xff +#define ENET_INIT_PARAM_MAGIC_RES_INIT3 0x00 +#define ENET_INIT_PARAM_MAGIC_RES_INIT4 0x0400 + +/* structure representing 82xx Address Filtering Enet Address in PRAM */ +struct uec_82xx_enet_addr { + u8 res1[0x2]; + u16 h; /* address (MSB) */ + u16 m; /* address */ + u16 l; /* address (LSB) */ +} __packed; + +/* structure representing 82xx Address Filtering PRAM */ +struct uec_82xx_add_filtering_pram { + u32 iaddr_h; /* individual address filter, high */ + u32 iaddr_l; /* individual address filter, low */ + u32 gaddr_h; /* group address filter, high */ + u32 gaddr_l; /* group address filter, low */ + struct uec_82xx_enet_addr taddr; + struct uec_82xx_enet_addr paddr[4]; + u8 res0[0x40 - 0x38]; +} __packed; + +/* Buffer Descriptor */ +struct buffer_descriptor { + u16 status; + u16 len; + u32 data; +} __packed; + +#define SIZEOFBD sizeof(struct buffer_descriptor) + +/* Common BD flags */ +#define BD_WRAP 0x2000 +#define BD_INT 0x1000 +#define BD_LAST 0x0800 +#define BD_CLEAN 0x3000 + +/* TxBD status flags */ +#define TX_BD_READY 0x8000 +#define TX_BD_PADCRC 0x4000 +#define TX_BD_WRAP BD_WRAP +#define TX_BD_INT BD_INT +#define TX_BD_LAST BD_LAST +#define TX_BD_TXCRC 0x0400 +#define TX_BD_DEF 0x0200 +#define TX_BD_PP 0x0100 +#define TX_BD_LC 0x0080 +#define TX_BD_RL 0x0040 +#define TX_BD_RC 0x003C +#define TX_BD_UNDERRUN 0x0002 +#define TX_BD_TRUNC 0x0001 + +#define TX_BD_ERROR (TX_BD_UNDERRUN | TX_BD_TRUNC) + +/* RxBD status flags */ +#define RX_BD_EMPTY 0x8000 +#define RX_BD_OWNER 0x4000 +#define RX_BD_WRAP BD_WRAP +#define RX_BD_INT BD_INT +#define RX_BD_LAST BD_LAST +#define RX_BD_FIRST 0x0400 +#define RX_BD_CMR 0x0200 +#define RX_BD_MISS 0x0100 +#define RX_BD_BCAST 0x0080 +#define RX_BD_MCAST 0x0040 +#define RX_BD_LG 0x0020 +#define RX_BD_NO 0x0010 +#define RX_BD_SHORT 0x0008 +#define RX_BD_CRCERR 0x0004 +#define RX_BD_OVERRUN 0x0002 +#define RX_BD_IPCH 0x0001 + +#define RX_BD_ERROR (RX_BD_LG | RX_BD_NO | RX_BD_SHORT | \ + RX_BD_CRCERR | RX_BD_OVERRUN) + +/* BD access macros */ +#define BD_STATUS(_bd) (in_be16(&((_bd)->status))) +#define BD_STATUS_SET(_bd, _v) (out_be16(&((_bd)->status), _v)) +#define BD_LENGTH(_bd) (in_be16(&((_bd)->len))) +#define BD_LENGTH_SET(_bd, _v) (out_be16(&((_bd)->len), _v)) +#define BD_DATA_CLEAR(_bd) (out_be32(&((_bd)->data), 0)) +#define BD_DATA(_bd) ((u8 *)(((_bd)->data))) +#define BD_DATA_SET(_bd, _data) (out_be32(&((_bd)->data), (u32)_data)) +#define BD_ADVANCE(_bd, _status, _base) \ + (((_status) & BD_WRAP) ? (_bd) = \ + ((struct buffer_descriptor *)(_base)) : ++(_bd)) + +/* Rx Prefetched BDs */ +struct uec_rx_pref_bds { + struct buffer_descriptor bd[MAX_PREFETCHED_BDS]; /* prefetched bd */ +} __packed; + +/* Alignments */ +#define UEC_RX_GLOBAL_PRAM_ALIGNMENT 64 +#define UEC_TX_GLOBAL_PRAM_ALIGNMENT 64 +#define UEC_THREAD_RX_PRAM_ALIGNMENT 128 +#define UEC_THREAD_TX_PRAM_ALIGNMENT 64 +#define UEC_THREAD_DATA_ALIGNMENT 256 +#define UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT 32 +#define UEC_SCHEDULER_ALIGNMENT 4 +#define UEC_TX_STATISTICS_ALIGNMENT 4 +#define UEC_RX_STATISTICS_ALIGNMENT 4 +#define UEC_RX_INTERRUPT_COALESCING_ALIGNMENT 4 +#define UEC_RX_BD_QUEUES_ALIGNMENT 8 +#define UEC_RX_PREFETCHED_BDS_ALIGNMENT 128 +#define UEC_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT 4 +#define UEC_RX_BD_RING_ALIGNMENT 32 +#define UEC_TX_BD_RING_ALIGNMENT 32 +#define UEC_MRBLR_ALIGNMENT 128 +#define UEC_RX_BD_RING_SIZE_ALIGNMENT 4 +#define UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT 32 +#define UEC_RX_DATA_BUF_ALIGNMENT 64 + +#define UEC_VLAN_PRIORITY_MAX 8 +#define UEC_IP_PRIORITY_MAX 64 +#define UEC_TX_VTAG_TABLE_ENTRY_MAX 8 +#define UEC_RX_BD_RING_SIZE_MIN 8 +#define UEC_TX_BD_RING_SIZE_MIN 2 + +/* TBI / MII Set Register */ +enum enet_tbi_mii_reg { + ENET_TBI_MII_CR = 0x00, + ENET_TBI_MII_SR = 0x01, + ENET_TBI_MII_ANA = 0x04, + ENET_TBI_MII_ANLPBPA = 0x05, + ENET_TBI_MII_ANEX = 0x06, + ENET_TBI_MII_ANNPT = 0x07, + ENET_TBI_MII_ANLPANP = 0x08, + ENET_TBI_MII_EXST = 0x0F, + ENET_TBI_MII_JD = 0x10, + ENET_TBI_MII_TBICON = 0x11 +}; + +/* TBI MDIO register bit fields*/ +#define TBICON_CLK_SELECT 0x0020 +#define TBIANA_ASYMMETRIC_PAUSE 0x0100 +#define TBIANA_SYMMETRIC_PAUSE 0x0080 +#define TBIANA_HALF_DUPLEX 0x0040 +#define TBIANA_FULL_DUPLEX 0x0020 +#define TBICR_PHY_RESET 0x8000 +#define TBICR_ANEG_ENABLE 0x1000 +#define TBICR_RESTART_ANEG 0x0200 +#define TBICR_FULL_DUPLEX 0x0100 +#define TBICR_SPEED1_SET 0x0040 + +#define TBIANA_SETTINGS ( \ + TBIANA_ASYMMETRIC_PAUSE \ + | TBIANA_SYMMETRIC_PAUSE \ + | TBIANA_FULL_DUPLEX \ + ) + +#define TBICR_SETTINGS ( \ + TBICR_PHY_RESET \ + | TBICR_ANEG_ENABLE \ + | TBICR_FULL_DUPLEX \ + | TBICR_SPEED1_SET \ + ) + +/* UEC number of threads */ +enum uec_num_of_threads { + UEC_NUM_OF_THREADS_1 = 0x1, /* 1 */ + UEC_NUM_OF_THREADS_2 = 0x2, /* 2 */ + UEC_NUM_OF_THREADS_4 = 0x0, /* 4 */ + UEC_NUM_OF_THREADS_6 = 0x3, /* 6 */ + UEC_NUM_OF_THREADS_8 = 0x4 /* 8 */ +}; + +/* UEC initialization info struct */ +#define STD_UEC_INFO(num) \ +{ \ + .uf_info = { \ + .ucc_num = CONFIG_SYS_UEC##num##_UCC_NUM,\ + .rx_clock = CONFIG_SYS_UEC##num##_RX_CLK, \ + .tx_clock = CONFIG_SYS_UEC##num##_TX_CLK, \ + .eth_type = CONFIG_SYS_UEC##num##_ETH_TYPE,\ + }, \ + .num_threads_tx = UEC_NUM_OF_THREADS_1, \ + .num_threads_rx = UEC_NUM_OF_THREADS_1, \ + .risc_tx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, \ + .risc_rx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, \ + .tx_bd_ring_len = 16, \ + .rx_bd_ring_len = 16, \ + .phy_address = CONFIG_SYS_UEC##num##_PHY_ADDR, \ + .enet_interface_type = CONFIG_SYS_UEC##num##_INTERFACE_TYPE, \ + .speed = CONFIG_SYS_UEC##num##_INTERFACE_SPEED, \ +} + +struct uec_inf { + struct ucc_fast_inf uf_info; + enum uec_num_of_threads num_threads_tx; + enum uec_num_of_threads num_threads_rx; + unsigned int risc_tx; + unsigned int risc_rx; + u16 rx_bd_ring_len; + u16 tx_bd_ring_len; + u8 phy_address; + phy_interface_t enet_interface_type; + int speed; +}; + +/* UEC driver initialized info */ +#define MAX_RXBUF_LEN 1536 +#define MAX_FRAME_LEN 1518 +#define MIN_FRAME_LEN 64 +#define MAX_DMA1_LEN 1520 +#define MAX_DMA2_LEN 1520 + +/* UEC driver private struct */ +struct uec_priv { + struct uec_inf *uec_info; + struct ucc_fast_priv *uccf; + struct eth_device *dev; + uec_t *uec_regs; + /* enet init command parameter */ + struct uec_init_cmd_pram *p_init_enet_param; + u32 init_enet_param_offset; + /* Rx and Tx parameter */ + struct uec_rx_global_pram *p_rx_glbl_pram; + u32 rx_glbl_pram_offset; + struct uec_tx_global_pram *p_tx_glbl_pram; + u32 tx_glbl_pram_offset; + struct uec_send_queue_mem_region *p_send_q_mem_reg; + u32 send_q_mem_reg_offset; + struct uec_thread_data_tx *p_thread_data_tx; + u32 thread_dat_tx_offset; + struct uec_thread_data_rx *p_thread_data_rx; + u32 thread_dat_rx_offset; + struct uec_rx_bd_queues_entry *p_rx_bd_qs_tbl; + u32 rx_bd_qs_tbl_offset; + /* BDs specific */ + u8 *p_tx_bd_ring; + u32 tx_bd_ring_offset; + u8 *p_rx_bd_ring; + u32 rx_bd_ring_offset; + u8 *p_rx_buf; + u32 rx_buf_offset; + struct buffer_descriptor *tx_bd; + struct buffer_descriptor *rx_bd; + /* Status */ + int mac_tx_enabled; + int mac_rx_enabled; + int grace_stopped_tx; + int grace_stopped_rx; + int the_first_run; +#if !defined(COFIG_DM) + /* PHY specific */ + struct uec_mii_info *mii_info; + int oldspeed; + int oldduplex; + int oldlink; +#endif +}; + +int uec_initialize(struct bd_info *bis, struct uec_inf *uec_info); +int uec_eth_init(struct bd_info *bis, struct uec_inf *uecs, int num); +int uec_standard_init(struct bd_info *bis); +#endif /* __UEC_H__ */ diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c index 886f53ee82..98883cd15b 100644 --- a/drivers/net/ravb.c +++ b/drivers/net/ravb.c @@ -438,8 +438,6 @@ static int ravb_config(struct udevice *dev) writel(mask, eth->iobase + RAVB_REG_ECMR); - phy->drv->writeext(phy, -1, 0x02, 0x08, (0x0f << 5) | 0x19); - return 0; } diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c index 546cc6ccb6..1dae81c7bf 100644 --- a/drivers/net/sun8i_emac.c +++ b/drivers/net/sun8i_emac.c @@ -663,7 +663,8 @@ static int sun8i_eth_write_hwaddr(struct udevice *dev) return _sun8i_write_hwaddr(priv, pdata->enetaddr); } -static int sun8i_emac_board_setup(struct emac_eth_dev *priv) +static int sun8i_emac_board_setup(struct udevice *dev, + struct emac_eth_dev *priv) { int ret; @@ -833,7 +834,7 @@ static int sun8i_emac_eth_probe(struct udevice *dev) priv->mac_reg = (void *)pdata->iobase; - ret = sun8i_emac_board_setup(priv); + ret = sun8i_emac_board_setup(dev, priv); if (ret) return ret; @@ -854,7 +855,7 @@ static const struct eth_ops sun8i_emac_eth_ops = { .stop = sun8i_emac_eth_stop, }; -static int sun8i_get_ephy_nodes(struct emac_eth_dev *priv) +static int sun8i_get_ephy_nodes(struct udevice *dev, struct emac_eth_dev *priv) { int emac_node, ephy_node, ret, ephy_handle; @@ -986,7 +987,7 @@ static int sun8i_emac_eth_ofdata_to_platdata(struct udevice *dev) } if (priv->variant == H3_EMAC) { - ret = sun8i_get_ephy_nodes(priv); + ret = sun8i_get_ephy_nodes(dev, priv); if (ret) return ret; } diff --git a/drivers/net/sunxi_emac.c b/drivers/net/sunxi_emac.c index df18ecc064..8e66ce2461 100644 --- a/drivers/net/sunxi_emac.c +++ b/drivers/net/sunxi_emac.c @@ -505,7 +505,8 @@ static int _sunxi_emac_eth_send(struct emac_eth_dev *priv, void *packet, return 0; } -static int sunxi_emac_board_setup(struct emac_eth_dev *priv) +static int sunxi_emac_board_setup(struct udevice *dev, + struct emac_eth_dev *priv) { struct sunxi_sramc_regs *sram = (struct sunxi_sramc_regs *)SUNXI_SRAMC_BASE; @@ -576,7 +577,7 @@ static int sunxi_emac_eth_probe(struct udevice *dev) return ret; } - ret = sunxi_emac_board_setup(priv); + ret = sunxi_emac_board_setup(dev, priv); if (ret) return ret; diff --git a/drivers/net/ti/cpsw.c b/drivers/net/ti/cpsw.c index d6fefe5306..1c11257839 100644 --- a/drivers/net/ti/cpsw.c +++ b/drivers/net/ti/cpsw.c @@ -856,8 +856,14 @@ static int cpsw_phy_init(struct cpsw_priv *priv, struct cpsw_slave *slave) ret = phy_set_supported(phydev, slave->data->max_speed); if (ret) return ret; +#if CONFIG_IS_ENABLED(DM_ETH) dev_dbg(priv->dev, "Port %u speed forced to %uMbit\n", slave->slave_num + 1, slave->data->max_speed); +#else + log_debug("%s: Port %u speed forced to %uMbit\n", + priv->dev->name, slave->slave_num + 1, + slave->data->max_speed); +#endif } phydev->advertising = phydev->supported; diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index 5d12e4b775..c436b8317d 100644 --- a/drivers/net/tsec.c +++ b/drivers/net/tsec.c @@ -18,6 +18,7 @@ #include <linux/bitops.h> #include <linux/delay.h> #include <linux/errno.h> +#include <miiphy.h> #include <asm/processor.h> #include <asm/io.h> @@ -681,8 +682,15 @@ static int init_phy(struct tsec_private *priv) if (priv->interface == PHY_INTERFACE_MODE_SGMII) tsec_configure_serdes(priv); +#if defined(CONFIG_DM_ETH) && defined(CONFIG_DM_MDIO) + if (ofnode_valid(ofnode_find_subnode(priv->dev->node, "fixed-link"))) + phydev = phy_connect(NULL, 0, priv->dev, priv->interface); + else + phydev = dm_eth_phy_connect(priv->dev); +#else phydev = phy_connect(priv->bus, priv->phyaddr, priv->dev, priv->interface); +#endif if (!phydev) return 0; @@ -793,43 +801,19 @@ int tsec_probe(struct udevice *dev) { struct eth_pdata *pdata = dev_get_platdata(dev); struct tsec_private *priv = dev_get_priv(dev); - struct tsec_mii_mng __iomem *ext_phyregs_mii; struct ofnode_phandle_args phandle_args; u32 tbiaddr = CONFIG_SYS_TBIPA_VALUE; - struct fsl_pq_mdio_info mdio_info; + struct tsec_data *data; const char *phy_mode; fdt_addr_t reg; ofnode parent; int ret; + data = (struct tsec_data *)dev_get_driver_data(dev); + pdata->iobase = (phys_addr_t)dev_read_addr(dev); priv->regs = dev_remap_addr(dev); - if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0, - &phandle_args)) { - printf("phy-handle does not exist under tsec %s\n", dev->name); - return -ENOENT; - } else { - int reg = ofnode_read_u32_default(phandle_args.node, "reg", 0); - - priv->phyaddr = reg; - } - - parent = ofnode_get_parent(phandle_args.node); - if (!ofnode_valid(parent)) { - printf("No parent node for PHY?\n"); - return -ENOENT; - } - - reg = ofnode_get_addr_index(parent, 0); - if (reg == FDT_ADDR_T_NONE) { - printf("No 'reg' property of MII for external PHY\n"); - return -ENOENT; - } - - ext_phyregs_mii = map_physmem(reg + TSEC_MDIO_REGS_OFFSET, 0, - MAP_NOCACHE); - ret = dev_read_phandle_with_args(dev, "tbi-handle", NULL, 0, 0, &phandle_args); if (ret == 0) { @@ -847,7 +831,7 @@ int tsec_probe(struct udevice *dev) return -ENOENT; } - priv->phyregs_sgmii = map_physmem(reg + TSEC_MDIO_REGS_OFFSET, + priv->phyregs_sgmii = map_physmem(reg + data->mdio_regs_off, 0, MAP_NOCACHE); } @@ -867,12 +851,6 @@ int tsec_probe(struct udevice *dev) if (priv->interface == PHY_INTERFACE_MODE_SGMII) priv->flags |= TSEC_SGMII; - mdio_info.regs = ext_phyregs_mii; - mdio_info.name = (char *)dev->name; - ret = fsl_pq_mdio_init(NULL, &mdio_info); - if (ret) - return ret; - /* Reset the MAC */ setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); udelay(2); /* Soft Reset must be asserted for 3 TX clocks */ @@ -905,8 +883,17 @@ static const struct eth_ops tsec_ops = { .mcast = tsec_mcast_addr, }; +static struct tsec_data etsec2_data = { + .mdio_regs_off = TSEC_MDIO_REGS_OFFSET, +}; + +static struct tsec_data gianfar_data = { + .mdio_regs_off = 0x0, +}; + static const struct udevice_id tsec_ids[] = { - { .compatible = "fsl,etsec2" }, + { .compatible = "fsl,etsec2", .data = (ulong)&etsec2_data }, + { .compatible = "gianfar", .data = (ulong)&gianfar_data }, { } }; diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c index 99d4d85c52..8af3711204 100644 --- a/drivers/net/xilinx_axi_emac.c +++ b/drivers/net/xilinx_axi_emac.c @@ -101,10 +101,10 @@ struct axidma_priv { /* BD descriptors */ struct axidma_bd { - u32 next; /* Next descriptor pointer */ - u32 reserved1; - u32 phys; /* Buffer address */ - u32 reserved2; + u32 next_desc; /* Next descriptor pointer */ + u32 next_desc_msb; + u32 buf_addr; /* Buffer address */ + u32 buf_addr_msb; u32 reserved3; u32 reserved4; u32 cntrl; /* Control */ @@ -182,7 +182,7 @@ static inline int mdio_wait(struct axi_regs *regs) static inline void axienet_dma_write(struct axidma_bd *bd, u32 *desc) { #if defined(CONFIG_PHYS_64BIT) - writeq(bd, desc); + writeq((unsigned long)bd, desc); #else writel((u32)bd, desc); #endif @@ -492,15 +492,19 @@ static int axiemac_start(struct udevice *dev) /* Setup the BD. */ memset(&rx_bd, 0, sizeof(rx_bd)); - rx_bd.next = (u32)&rx_bd; - rx_bd.phys = (u32)&rxframe; + rx_bd.next_desc = lower_32_bits((unsigned long)&rx_bd); + rx_bd.buf_addr = lower_32_bits((unsigned long)&rxframe); +#if defined(CONFIG_PHYS_64BIT) + rx_bd.next_desc_msb = upper_32_bits((unsigned long)&rx_bd); + rx_bd.buf_addr_msb = upper_32_bits((unsigned long)&rxframe); +#endif rx_bd.cntrl = sizeof(rxframe); /* Flush the last BD so DMA core could see the updates */ - flush_cache((u32)&rx_bd, sizeof(rx_bd)); + flush_cache((phys_addr_t)&rx_bd, sizeof(rx_bd)); /* It is necessary to flush rxframe because if you don't do it * then cache can contain uninitialized data */ - flush_cache((u32)&rxframe, sizeof(rxframe)); + flush_cache((phys_addr_t)&rxframe, sizeof(rxframe)); /* Start the hardware */ temp = readl(&priv->dmarx->control); @@ -534,19 +538,23 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len) len = PKTSIZE_ALIGN; /* Flush packet to main memory to be trasfered by DMA */ - flush_cache((u32)ptr, len); + flush_cache((phys_addr_t)ptr, len); /* Setup Tx BD */ memset(&tx_bd, 0, sizeof(tx_bd)); /* At the end of the ring, link the last BD back to the top */ - tx_bd.next = (u32)&tx_bd; - tx_bd.phys = (u32)ptr; + tx_bd.next_desc = lower_32_bits((unsigned long)&tx_bd); + tx_bd.buf_addr = lower_32_bits((unsigned long)ptr); +#if defined(CONFIG_PHYS_64BIT) + tx_bd.next_desc_msb = upper_32_bits((unsigned long)&tx_bd); + tx_bd.buf_addr_msb = upper_32_bits((unsigned long)ptr); +#endif /* Save len */ tx_bd.cntrl = len | XAXIDMA_BD_CTRL_TXSOF_MASK | XAXIDMA_BD_CTRL_TXEOF_MASK; /* Flush the last BD so DMA core could see the updates */ - flush_cache((u32)&tx_bd, sizeof(tx_bd)); + flush_cache((phys_addr_t)&tx_bd, sizeof(tx_bd)); if (readl(&priv->dmatx->status) & XAXIDMA_HALTED_MASK) { u32 temp; @@ -637,16 +645,20 @@ static int axiemac_free_pkt(struct udevice *dev, uchar *packet, int length) /* Setup RxBD */ /* Clear the whole buffer and setup it again - all flags are cleared */ memset(&rx_bd, 0, sizeof(rx_bd)); - rx_bd.next = (u32)&rx_bd; - rx_bd.phys = (u32)&rxframe; + rx_bd.next_desc = lower_32_bits((unsigned long)&rx_bd); + rx_bd.buf_addr = lower_32_bits((unsigned long)&rxframe); +#if defined(CONFIG_PHYS_64BIT) + rx_bd.next_desc_msb = upper_32_bits((unsigned long)&rx_bd); + rx_bd.buf_addr_msb = upper_32_bits((unsigned long)&rxframe); +#endif rx_bd.cntrl = sizeof(rxframe); /* Write bd to HW */ - flush_cache((u32)&rx_bd, sizeof(rx_bd)); + flush_cache((phys_addr_t)&rx_bd, sizeof(rx_bd)); /* It is necessary to flush rxframe because if you don't do it * then cache will contain previous packet */ - flush_cache((u32)&rxframe, sizeof(rxframe)); + flush_cache((phys_addr_t)&rxframe, sizeof(rxframe)); /* Rx BD is ready - start again */ axienet_dma_write(&rx_bd, &priv->dmarx->tail); @@ -738,7 +750,7 @@ static int axi_emac_ofdata_to_platdata(struct udevice *dev) return -EINVAL; } /* RX channel offset is 0x30 */ - priv->dmarx = (struct axidma_reg *)((u32)priv->dmatx + 0x30); + priv->dmarx = (struct axidma_reg *)((phys_addr_t)priv->dmatx + 0x30); priv->phyaddr = -1; diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index da4b6fba9f..8afec8bbfc 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -758,6 +758,9 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev) if (!dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0, &phandle_args)) { + fdt_addr_t addr; + ofnode parent; + debug("phy-handle does exist %s\n", dev->name); priv->phyaddr = ofnode_read_u32_default(phandle_args.node, "reg", -1); @@ -765,6 +768,13 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev) priv->max_speed = ofnode_read_u32_default(phandle_args.node, "max-speed", SPEED_1000); + + parent = ofnode_get_parent(phandle_args.node); + addr = ofnode_get_addr(parent); + if (addr != FDT_ADDR_T_NONE) { + debug("MDIO bus not found %s\n", dev->name); + priv->mdiobase = (struct zynq_gem_regs *)addr; + } } phy_mode = dev_read_prop(dev, "phy-mode", NULL); diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index d8a6647a1d..eb07d25301 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -911,8 +911,8 @@ static void decode_regions(struct pci_controller *hose, ofnode parent_node, ofnode node) { int pci_addr_cells, addr_cells, size_cells; - struct bd_info *bd = gd->bd; int cells_per_record; + struct bd_info *bd; const u32 *prop; int max_regions; int len; @@ -989,6 +989,7 @@ static void decode_regions(struct pci_controller *hose, ofnode parent_node, } /* Add a region for our local memory */ + bd = gd->bd; if (!bd) return; diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 9c775107e9..d66aa07392 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -84,6 +84,13 @@ config BCM6368_USBH_PHY help Support for the Broadcom MIPS BCM6368 USBH PHY. +config BCM_SR_PCIE_PHY + bool "Broadcom Stingray PCIe PHY driver" + depends on PHY + help + Enable this to support the Broadcom Stingray PCIe PHY + If unsure, say N. + config PHY_DA8XX_USB tristate "TI DA8xx USB PHY Driver" depends on PHY && ARCH_DAVINCI @@ -125,6 +132,12 @@ config STI_USB_PHY used by USB2 and USB3 Host controllers available on STiH407 SoC families. +config PHY_QCOM_IPQ4019_USB + tristate "Qualcomm IPQ4019 USB PHY driver" + depends on PHY && ARCH_IPQ40XX + help + Support for the USB PHY-s on Qualcomm IPQ40xx SoC-s. + config PHY_RCAR_GEN2 tristate "Renesas R-Car Gen2 USB PHY" depends on PHY && RCAR_GEN2 diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index 74e8d931d3..8dabefd776 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -9,10 +9,12 @@ obj-$(CONFIG_BCM6318_USBH_PHY) += bcm6318-usbh-phy.o obj-$(CONFIG_BCM6348_USBH_PHY) += bcm6348-usbh-phy.o obj-$(CONFIG_BCM6358_USBH_PHY) += bcm6358-usbh-phy.o obj-$(CONFIG_BCM6368_USBH_PHY) += bcm6368-usbh-phy.o +obj-$(CONFIG_BCM_SR_PCIE_PHY) += phy-bcm-sr-pcie.o obj-$(CONFIG_PHY_SANDBOX) += sandbox-phy.o obj-$(CONFIG_$(SPL_)PIPE3_PHY) += ti-pipe3-phy.o obj-$(CONFIG_AM654_PHY) += phy-ti-am654.o obj-$(CONFIG_STI_USB_PHY) += sti_usb_phy.o +obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o obj-$(CONFIG_PHY_RCAR_GEN2) += phy-rcar-gen2.o obj-$(CONFIG_PHY_RCAR_GEN3) += phy-rcar-gen3.o obj-$(CONFIG_PHY_STM32_USBPHYC) += phy-stm32-usbphyc.o diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index f050645044..7b9d3eefc5 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -272,13 +272,15 @@ static int sun4i_usb_phy_init(struct phy *phy) ret = clk_enable(&usb_phy->clocks); if (ret) { - dev_err(dev, "failed to enable usb_%ldphy clock\n", phy->id); + dev_err(phy->dev, "failed to enable usb_%ldphy clock\n", + phy->id); return ret; } ret = reset_deassert(&usb_phy->resets); if (ret) { - dev_err(dev, "failed to deassert usb_%ldreset reset\n", phy->id); + dev_err(phy->dev, "failed to deassert usb_%ldreset reset\n", + phy->id); return ret; } @@ -338,13 +340,15 @@ static int sun4i_usb_phy_exit(struct phy *phy) ret = clk_disable(&usb_phy->clocks); if (ret) { - dev_err(dev, "failed to disable usb_%ldphy clock\n", phy->id); + dev_err(phy->dev, "failed to disable usb_%ldphy clock\n", + phy->id); return ret; } ret = reset_assert(&usb_phy->resets); if (ret) { - dev_err(dev, "failed to assert usb_%ldreset reset\n", phy->id); + dev_err(phy->dev, "failed to assert usb_%ldreset reset\n", + phy->id); return ret; } diff --git a/drivers/phy/marvell/comphy_core.c b/drivers/phy/marvell/comphy_core.c index 27bff27ff7..5e8ce740cd 100644 --- a/drivers/phy/marvell/comphy_core.c +++ b/drivers/phy/marvell/comphy_core.c @@ -98,14 +98,14 @@ static int comphy_probe(struct udevice *dev) chip_cfg->comphy_lanes_count = fdtdec_get_int(blob, node, "max-lanes", 0); if (chip_cfg->comphy_lanes_count <= 0) { - dev_err(&dev->dev, "comphy max lanes is wrong\n"); + dev_err(dev, "comphy max lanes is wrong\n"); return -EINVAL; } chip_cfg->comphy_mux_bitcount = fdtdec_get_int(blob, node, "mux-bitcount", 0); if (chip_cfg->comphy_mux_bitcount <= 0) { - dev_err(&dev->dev, "comphy mux bit count is wrong\n"); + dev_err(dev, "comphy mux bit count is wrong\n"); return -EINVAL; } @@ -124,7 +124,7 @@ static int comphy_probe(struct udevice *dev) * compatible node is found */ if (!chip_cfg->ptr_comphy_chip_init) { - dev_err(&dev->dev, "comphy: No compatible DT node found\n"); + dev_err(dev, "comphy: No compatible DT node found\n"); return -ENODEV; } diff --git a/drivers/phy/phy-bcm-sr-pcie.c b/drivers/phy/phy-bcm-sr-pcie.c new file mode 100644 index 0000000000..36c77c4b63 --- /dev/null +++ b/drivers/phy/phy-bcm-sr-pcie.c @@ -0,0 +1,177 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2019 Broadcom + */ + +#include <common.h> +#include <dm.h> +#include <generic-phy.h> +#include <asm/io.h> +#include <linux/bitops.h> + +/* we have up to 8 PAXB based RC. The 9th one is always PAXC */ +#define SR_NR_PCIE_PHYS 8 + +#define PCIE_PIPEMUX_CFG_OFFSET 0x10c +#define PCIE_PIPEMUX_SELECT_STRAP GENMASK(3, 0) + +#define CDRU_STRAP_DATA_LSW_OFFSET 0x5c +#define PCIE_PIPEMUX_SHIFT 19 +#define PCIE_PIPEMUX_MASK GENMASK(3, 0) + +/** + * struct sr_pcie_phy_core - Stingray PCIe PHY core control + * + * @dev: pointer to device + * @base: base register of PCIe SS + * @cdru: CDRU base address + * @pipemux: pipemuex strap + */ +struct sr_pcie_phy_core { + struct udevice *dev; + void __iomem *base; + void __iomem *cdru; + u32 pipemux; +}; + +/* + * PCIe PIPEMUX lookup table + * + * Each array index represents a PIPEMUX strap setting + * The array element represents a bitmap where a set bit means the PCIe + * core and associated serdes has been enabled as RC and is available for use + */ +static const u8 pipemux_table[] = { + /* PIPEMUX = 0, EP 1x16 */ + 0x00, + /* PIPEMUX = 1, EP 1x8 + RC 1x8, core 7 */ + 0x80, + /* PIPEMUX = 2, EP 4x4 */ + 0x00, + /* PIPEMUX = 3, RC 2x8, cores 0, 7 */ + 0x81, + /* PIPEMUX = 4, RC 4x4, cores 0, 1, 6, 7 */ + 0xc3, + /* PIPEMUX = 5, RC 8x2, all 8 cores */ + 0xff, + /* PIPEMUX = 6, RC 3x4 + 2x2, cores 0, 2, 3, 6, 7 */ + 0xcd, + /* PIPEMUX = 7, RC 1x4 + 6x2, cores 0, 2, 3, 4, 5, 6, 7 */ + 0xfd, + /* PIPEMUX = 8, EP 1x8 + RC 4x2, cores 4, 5, 6, 7 */ + 0xf0, + /* PIPEMUX = 9, EP 1x8 + RC 2x4, cores 6, 7 */ + 0xc0, + /* PIPEMUX = 10, EP 2x4 + RC 2x4, cores 1, 6 */ + 0x42, + /* PIPEMUX = 11, EP 2x4 + RC 4x2, cores 2, 3, 4, 5 */ + 0x3c, + /* PIPEMUX = 12, EP 1x4 + RC 6x2, cores 2, 3, 4, 5, 6, 7 */ + 0xfc, + /* PIPEMUX = 13, RC 2x4 + RC 1x4 + 2x2, cores 2, 3, 6 */ + 0x4c, +}; + +/* + * Return true if the strap setting is valid + */ +static bool pipemux_strap_is_valid(u32 pipemux) +{ + return !!(pipemux < ARRAY_SIZE(pipemux_table)); +} + +/* + * Read the PCIe PIPEMUX from strap + */ +static u32 pipemux_strap_read(struct sr_pcie_phy_core *core) +{ + u32 pipemux; + + /* + * Read PIPEMUX configuration register to determine the pipemux setting + * + * In the case when the value indicates using HW strap, fall back to + * use HW strap + */ + pipemux = readl(core->base + PCIE_PIPEMUX_CFG_OFFSET); + pipemux &= PCIE_PIPEMUX_MASK; + if (pipemux == PCIE_PIPEMUX_SELECT_STRAP) { + pipemux = readl(core->cdru + CDRU_STRAP_DATA_LSW_OFFSET); + pipemux >>= PCIE_PIPEMUX_SHIFT; + pipemux &= PCIE_PIPEMUX_MASK; + } + + return pipemux; +} + +static int sr_pcie_phy_init(struct phy *phy) +{ + struct sr_pcie_phy_core *core = dev_get_priv(phy->dev); + unsigned int core_idx = phy->id; + + debug("%s %lx\n", __func__, phy->id); + /* + * Check whether this PHY is for root complex or not. If yes, return + * zero so the host driver can proceed to enumeration. If not, return + * an error and that will force the host driver to bail out + */ + if (!!((pipemux_table[core->pipemux] >> core_idx) & 0x1)) + return 0; + + return -ENODEV; +} + +static int sr_pcie_phy_xlate(struct phy *phy, struct ofnode_phandle_args *args) +{ + debug("%s %d\n", __func__, args->args[0]); + if (args->args_count && args->args[0] < SR_NR_PCIE_PHYS) + phy->id = args->args[0]; + else + return -ENODEV; + + return 0; +} + +static const struct phy_ops sr_pcie_phy_ops = { + .of_xlate = sr_pcie_phy_xlate, + .init = sr_pcie_phy_init, +}; + +static int sr_pcie_phy_probe(struct udevice *dev) +{ + struct sr_pcie_phy_core *core = dev_get_priv(dev); + + core->dev = dev; + + core->base = (void __iomem *)devfdt_get_addr_name(dev, "reg_base"); + core->cdru = (void __iomem *)devfdt_get_addr_name(dev, "cdru_base"); + debug("ip base %p\n", core->base); + debug("cdru base %p\n", core->cdru); + + /* read the PCIe PIPEMUX strap setting */ + core->pipemux = pipemux_strap_read(core); + if (!pipemux_strap_is_valid(core->pipemux)) { + pr_err("invalid PCIe PIPEMUX strap %u\n", core->pipemux); + return -EIO; + } + debug("%s %#x\n", __func__, core->pipemux); + + pr_info("Stingray PCIe PHY driver initialized\n"); + + return 0; +} + +static const struct udevice_id sr_pcie_phy_match_table[] = { + { .compatible = "brcm,sr-pcie-phy" }, + { } +}; + +U_BOOT_DRIVER(sr_pcie_phy) = { + .name = "sr-pcie-phy", + .id = UCLASS_PHY, + .probe = sr_pcie_phy_probe, + .of_match = sr_pcie_phy_match_table, + .ops = &sr_pcie_phy_ops, + .platdata_auto_alloc_size = sizeof(struct sr_pcie_phy_core), + .priv_auto_alloc_size = sizeof(struct sr_pcie_phy_core), +}; diff --git a/drivers/phy/phy-qcom-ipq4019-usb.c b/drivers/phy/phy-qcom-ipq4019-usb.c new file mode 100644 index 0000000000..465f0d3a01 --- /dev/null +++ b/drivers/phy/phy-qcom-ipq4019-usb.c @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 Sartura Ltd. + * + * Author: Robert Marko <robert.marko@sartura.hr> + * + * Based on Linux driver + */ + +#include <clk.h> +#include <common.h> +#include <dm.h> +#include <generic-phy.h> +#include <log.h> +#include <reset.h> +#include <asm/io.h> +#include <linux/delay.h> + +struct ipq4019_usb_phy { + phys_addr_t base; + struct reset_ctl por_rst; + struct reset_ctl srif_rst; +}; + +static int ipq4019_ss_phy_power_off(struct phy *_phy) +{ + struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev); + + reset_assert(&phy->por_rst); + mdelay(10); + + return 0; +} + +static int ipq4019_ss_phy_power_on(struct phy *_phy) +{ + struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev); + + ipq4019_ss_phy_power_off(_phy); + + reset_deassert(&phy->por_rst); + + return 0; +} + +static struct phy_ops ipq4019_usb_ss_phy_ops = { + .power_on = ipq4019_ss_phy_power_on, + .power_off = ipq4019_ss_phy_power_off, +}; + +static int ipq4019_usb_ss_phy_probe(struct udevice *dev) +{ + struct ipq4019_usb_phy *phy = dev_get_priv(dev); + int ret; + + phy->base = dev_read_addr(dev); + if (phy->base == FDT_ADDR_T_NONE) + return -EINVAL; + + ret = reset_get_by_name(dev, "por_rst", &phy->por_rst); + if (ret) + return ret; + + return 0; +} + +static const struct udevice_id ipq4019_usb_ss_phy_ids[] = { + { .compatible = "qcom,usb-ss-ipq4019-phy" }, + { } +}; + +U_BOOT_DRIVER(ipq4019_usb_ss_phy) = { + .name = "ipq4019-usb-ss-phy", + .id = UCLASS_PHY, + .of_match = ipq4019_usb_ss_phy_ids, + .ops = &ipq4019_usb_ss_phy_ops, + .probe = ipq4019_usb_ss_phy_probe, + .priv_auto_alloc_size = sizeof(struct ipq4019_usb_phy), +}; + +static int ipq4019_hs_phy_power_off(struct phy *_phy) +{ + struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev); + + reset_assert(&phy->por_rst); + mdelay(10); + + reset_assert(&phy->srif_rst); + mdelay(10); + + return 0; +} + +static int ipq4019_hs_phy_power_on(struct phy *_phy) +{ + struct ipq4019_usb_phy *phy = dev_get_priv(_phy->dev); + + ipq4019_hs_phy_power_off(_phy); + + reset_deassert(&phy->srif_rst); + mdelay(10); + + reset_deassert(&phy->por_rst); + + return 0; +} + +static struct phy_ops ipq4019_usb_hs_phy_ops = { + .power_on = ipq4019_hs_phy_power_on, + .power_off = ipq4019_hs_phy_power_off, +}; + +static int ipq4019_usb_hs_phy_probe(struct udevice *dev) +{ + struct ipq4019_usb_phy *phy = dev_get_priv(dev); + int ret; + + phy->base = dev_read_addr(dev); + if (phy->base == FDT_ADDR_T_NONE) + return -EINVAL; + + ret = reset_get_by_name(dev, "por_rst", &phy->por_rst); + if (ret) + return ret; + + ret = reset_get_by_name(dev, "srif_rst", &phy->srif_rst); + if (ret) + return ret; + + return 0; +} + +static const struct udevice_id ipq4019_usb_hs_phy_ids[] = { + { .compatible = "qcom,usb-hs-ipq4019-phy" }, + { } +}; + +U_BOOT_DRIVER(ipq4019_usb_hs_phy) = { + .name = "ipq4019-usb-hs-phy", + .id = UCLASS_PHY, + .of_match = ipq4019_usb_hs_phy_ids, + .ops = &ipq4019_usb_hs_phy_ops, + .probe = ipq4019_usb_hs_phy_probe, + .priv_auto_alloc_size = sizeof(struct ipq4019_usb_phy), +}; diff --git a/drivers/phy/phy-stm32-usbphyc.c b/drivers/phy/phy-stm32-usbphyc.c index c6d3048602..9d4296d649 100644 --- a/drivers/phy/phy-stm32-usbphyc.c +++ b/drivers/phy/phy-stm32-usbphyc.c @@ -311,7 +311,7 @@ static int stm32_usbphyc_of_xlate(struct phy *phy, if ((phy->id == 0 && args->args_count != 1) || (phy->id == 1 && args->args_count != 2)) { - dev_err(dev, "invalid number of cells for phy port%ld\n", + dev_err(phy->dev, "invalid number of cells for phy port%ld\n", phy->id); return -EINVAL; } diff --git a/drivers/phy/phy-ti-am654.c b/drivers/phy/phy-ti-am654.c index 6907c1afb3..cc73760c8b 100644 --- a/drivers/phy/phy-ti-am654.c +++ b/drivers/phy/phy-ti-am654.c @@ -318,13 +318,13 @@ static int serdes_am654_of_xlate(struct phy *x, struct serdes_am654 *phy = dev_get_priv(x->dev); if (args->args_count != 2) { - dev_err(phy->dev, "Invalid DT PHY argument count: %d\n", + dev_err(x->dev, "Invalid DT PHY argument count: %d\n", args->args_count); return -EINVAL; } if (args->args[0] != PHY_TYPE_PCIE) { - dev_err(phy->dev, "Unrecognized PHY type: %d\n", + dev_err(x->dev, "Unrecognized PHY type: %d\n", args->args[0]); return -EINVAL; } diff --git a/drivers/phy/phy-uclass.c b/drivers/phy/phy-uclass.c index db7f39cd0b..8f456f33d2 100644 --- a/drivers/phy/phy-uclass.c +++ b/drivers/phy/phy-uclass.c @@ -117,56 +117,91 @@ int generic_phy_get_by_name(struct udevice *dev, const char *phy_name, int generic_phy_init(struct phy *phy) { struct phy_ops const *ops; + int ret; if (!generic_phy_valid(phy)) return 0; ops = phy_dev_ops(phy->dev); + if (!ops->init) + return 0; + ret = ops->init(phy); + if (ret) + dev_err(phy->dev, "PHY: Failed to init %s: %d.\n", + phy->dev->name, ret); - return ops->init ? ops->init(phy) : 0; + return ret; } int generic_phy_reset(struct phy *phy) { struct phy_ops const *ops; + int ret; if (!generic_phy_valid(phy)) return 0; ops = phy_dev_ops(phy->dev); + if (!ops->reset) + return 0; + ret = ops->reset(phy); + if (ret) + dev_err(phy->dev, "PHY: Failed to reset %s: %d.\n", + phy->dev->name, ret); - return ops->reset ? ops->reset(phy) : 0; + return ret; } int generic_phy_exit(struct phy *phy) { struct phy_ops const *ops; + int ret; if (!generic_phy_valid(phy)) return 0; ops = phy_dev_ops(phy->dev); + if (!ops->exit) + return 0; + ret = ops->exit(phy); + if (ret) + dev_err(phy->dev, "PHY: Failed to exit %s: %d.\n", + phy->dev->name, ret); - return ops->exit ? ops->exit(phy) : 0; + return ret; } int generic_phy_power_on(struct phy *phy) { struct phy_ops const *ops; + int ret; if (!generic_phy_valid(phy)) return 0; ops = phy_dev_ops(phy->dev); + if (!ops->power_on) + return 0; + ret = ops->power_on(phy); + if (ret) + dev_err(phy->dev, "PHY: Failed to power on %s: %d.\n", + phy->dev->name, ret); - return ops->power_on ? ops->power_on(phy) : 0; + return ret; } int generic_phy_power_off(struct phy *phy) { struct phy_ops const *ops; + int ret; if (!generic_phy_valid(phy)) return 0; ops = phy_dev_ops(phy->dev); + if (!ops->power_off) + return 0; + ret = ops->power_off(phy); + if (ret) + dev_err(phy->dev, "PHY: Failed to power off %s: %d.\n", + phy->dev->name, ret); - return ops->power_off ? ops->power_off(phy) : 0; + return ret; } int generic_phy_get_bulk(struct udevice *dev, struct phy_bulk *bulk) diff --git a/drivers/phy/rockchip/phy-rockchip-pcie.c b/drivers/phy/rockchip/phy-rockchip-pcie.c index 83928cffe0..617943fd82 100644 --- a/drivers/phy/rockchip/phy-rockchip-pcie.c +++ b/drivers/phy/rockchip/phy-rockchip-pcie.c @@ -98,7 +98,7 @@ static int rockchip_pcie_phy_power_on(struct phy *phy) ret = reset_deassert(&priv->phy_rst); if (ret) { - dev_err(dev, "failed to assert phy reset\n"); + dev_err(phy->dev, "failed to assert phy reset\n"); return ret; } @@ -119,7 +119,7 @@ static int rockchip_pcie_phy_power_on(struct phy *phy) 20 * 1000, 50); if (ret) { - dev_err(&priv->dev, "pll lock timeout!\n"); + dev_err(phy->dev, "pll lock timeout!\n"); goto err_pll_lock; } @@ -133,7 +133,7 @@ static int rockchip_pcie_phy_power_on(struct phy *phy) 20 * 1000, 50); if (ret) { - dev_err(&priv->dev, "pll output enable timeout!\n"); + dev_err(phy->dev, "pll output enable timeout!\n"); goto err_pll_lock; } @@ -149,7 +149,7 @@ static int rockchip_pcie_phy_power_on(struct phy *phy) 20 * 1000, 50); if (ret) { - dev_err(&priv->dev, "pll relock timeout!\n"); + dev_err(phy->dev, "pll relock timeout!\n"); goto err_pll_lock; } @@ -173,7 +173,7 @@ static int rockchip_pcie_phy_power_off(struct phy *phy) ret = reset_assert(&priv->phy_rst); if (ret) { - dev_err(dev, "failed to assert phy reset\n"); + dev_err(phy->dev, "failed to assert phy reset\n"); return ret; } @@ -187,13 +187,13 @@ static int rockchip_pcie_phy_init(struct phy *phy) ret = clk_enable(&priv->refclk); if (ret) { - dev_err(dev, "failed to enable refclk clock\n"); + dev_err(phy->dev, "failed to enable refclk clock\n"); return ret; } ret = reset_assert(&priv->phy_rst); if (ret) { - dev_err(dev, "failed to assert phy reset\n"); + dev_err(phy->dev, "failed to assert phy reset\n"); goto err_reset; } diff --git a/drivers/phy/rockchip/phy-rockchip-typec.c b/drivers/phy/rockchip/phy-rockchip-typec.c index c9c8e1c542..da00daa447 100644 --- a/drivers/phy/rockchip/phy-rockchip-typec.c +++ b/drivers/phy/rockchip/phy-rockchip-typec.c @@ -448,7 +448,7 @@ static void rockchip_tcphy_rx_usb3_cfg_lane(struct rockchip_tcphy *priv, writel(0xfb, priv->reg_base + XCVR_DIAG_BIDI_CTRL(lane)); } -static int rockchip_tcphy_init(struct rockchip_tcphy *priv) +static int rockchip_tcphy_init(struct phy *phy, struct rockchip_tcphy *priv) { const struct rockchip_usb3phy_port_cfg *cfg = priv->port_cfgs; u32 val; @@ -559,9 +559,9 @@ static int rockchip_usb3_phy_power_on(struct phy *phy) return 0; if (priv->mode == MODE_DISCONNECT) { - ret = rockchip_tcphy_init(priv); + ret = rockchip_tcphy_init(phy, priv); if (ret) { - dev_err(dev, "failed to init tcphy (ret=%d)\n", ret); + dev_err(phy->dev, "failed to init tcphy (ret=%d)\n", ret); return ret; } } diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index cdbccfd285..048583f39b 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -205,6 +205,13 @@ config PINCTRL_QCA953X the GPIO definitions and pin control functions for each available multiplex function. +config PINCTRL_QE + bool "QE based pinctrl driver, like on mpc83xx" + depends on DM + help + This option is to enable the QE pinctrl driver for QE based io + controller. + config PINCTRL_ROCKCHIP_RV1108 bool "Rockchip rv1108 pin control driver" depends on DM diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 92cff1b100..507dd3a926 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_PINCTRL_MTK) += mediatek/ obj-$(CONFIG_PINCTRL_MSCC) += mscc/ obj-$(CONFIG_ARCH_MVEBU) += mvebu/ obj-$(CONFIG_ARCH_NEXELL) += nexell/ +obj-$(CONFIG_PINCTRL_QE) += pinctrl-qe-io.o obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o obj-$(CONFIG_PINCTRL_STI) += pinctrl-sti.o obj-$(CONFIG_PINCTRL_STM32) += pinctrl_stm32.o diff --git a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c index c22d534da9..41da814123 100644 --- a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c +++ b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c @@ -63,7 +63,7 @@ static int bcm2835_gpio_get_func_id(struct udevice *dev, unsigned int gpio) int bcm283x_pinctrl_set_state(struct udevice *dev, struct udevice *config) { u32 pin_arr[MAX_PINS_PER_BANK]; - u32 function; + int function; int i, len, pin_count = 0; if (!dev_read_prop(config, "brcm,pins", &len) || !len || @@ -104,17 +104,11 @@ static const struct udevice_id bcm2835_pinctrl_id[] = { {} }; -int bcm283x_pinctl_probe(struct udevice *dev) +int bcm283x_pinctl_ofdata_to_platdata(struct udevice *dev) { struct bcm283x_pinctrl_priv *priv; - int ret; - struct udevice *pdev; priv = dev_get_priv(dev); - if (!priv) { - debug("%s: Failed to get private\n", __func__); - return -EINVAL; - } priv->base_reg = dev_read_addr_ptr(dev); if (!priv->base_reg) { @@ -122,6 +116,14 @@ int bcm283x_pinctl_probe(struct udevice *dev) return -EINVAL; } + return 0; +} + +int bcm283x_pinctl_probe(struct udevice *dev) +{ + int ret; + struct udevice *pdev; + /* Create GPIO device as well */ ret = device_bind(dev, lists_driver_lookup_name("gpio_bcm2835"), "gpio_bcm2835", NULL, dev_of_offset(dev), &pdev); @@ -147,10 +149,11 @@ U_BOOT_DRIVER(pinctrl_bcm283x) = { .name = "bcm283x_pinctrl", .id = UCLASS_PINCTRL, .of_match = of_match_ptr(bcm2835_pinctrl_id), + .ofdata_to_platdata = bcm283x_pinctl_ofdata_to_platdata, .priv_auto_alloc_size = sizeof(struct bcm283x_pinctrl_priv), .ops = &bcm283x_pinctrl_ops, .probe = bcm283x_pinctl_probe, -#if !CONFIG_IS_ENABLED(OF_CONTROL) || CONFIG_IS_ENABLED(OF_BOARD) +#if CONFIG_IS_ENABLED(OF_BOARD) .flags = DM_FLAG_PRE_RELOC, #endif }; diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index fdb7920b55..bf85cc916a 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -169,6 +169,7 @@ static int atmel_pinctrl_probe(struct udevice *dev) static const struct udevice_id atmel_pinctrl_match[] = { { .compatible = "atmel,sama5d2-pinctrl" }, + { .compatible = "microchip,sama7g5-pinctrl" }, {} }; diff --git a/drivers/pinctrl/pinctrl-qe-io.c b/drivers/pinctrl/pinctrl-qe-io.c new file mode 100644 index 0000000000..85521eabd4 --- /dev/null +++ b/drivers/pinctrl/pinctrl-qe-io.c @@ -0,0 +1,255 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * based on source code of Shlomi Gridish + */ + +#include <common.h> +#include <linux/errno.h> +#include <asm/io.h> +#include <asm/immap_83xx.h> + +#if defined(CONFIG_PINCTRL) +#include <dm.h> +#include <dm/device_compat.h> +#include <dm/pinctrl.h> +#include <linux/ioport.h> + +/** + * struct qe_io_platdata + * + * @base: Base register address + * @num_par_io_ports number of io ports + */ +struct qe_io_platdata { + qepio83xx_t *base; + u32 num_io_ports; +}; +#endif + +#define NUM_OF_PINS 32 + +/** qe_cfg_iopin configure one io pin setting + * + * @par_io: pointer to parallel I/O base + * @port: io pin port + * @pin: io pin number which get configured + * @dir: direction of io pin 2 bits valid + * 00 = pin disabled + * 01 = output + * 10 = input + * 11 = pin is I/O + * @open_drain: is pin open drain + * @assign: pin assignment registers select the function of the pin + */ +static void qe_cfg_iopin(qepio83xx_t *par_io, u8 port, u8 pin, int dir, + int open_drain, int assign) +{ + u32 dbit_mask; + u32 dbit_dir; + u32 dbit_asgn; + u32 bit_mask; + u32 tmp_val; + int offset; + + offset = (NUM_OF_PINS - (pin % (NUM_OF_PINS / 2) + 1) * 2); + + /* Calculate pin location and 2bit mask and dir */ + dbit_mask = (u32)(0x3 << offset); + dbit_dir = (u32)(dir << offset); + + /* Setup the direction */ + tmp_val = (pin > (NUM_OF_PINS / 2) - 1) ? + in_be32(&par_io->ioport[port].dir2) : + in_be32(&par_io->ioport[port].dir1); + + if (pin > (NUM_OF_PINS / 2) - 1) { + out_be32(&par_io->ioport[port].dir2, ~dbit_mask & tmp_val); + out_be32(&par_io->ioport[port].dir2, dbit_dir | tmp_val); + } else { + out_be32(&par_io->ioport[port].dir1, ~dbit_mask & tmp_val); + out_be32(&par_io->ioport[port].dir1, dbit_dir | tmp_val); + } + + /* Calculate pin location for 1bit mask */ + bit_mask = (u32)(1 << (NUM_OF_PINS - (pin + 1))); + + /* Setup the open drain */ + tmp_val = in_be32(&par_io->ioport[port].podr); + if (open_drain) + out_be32(&par_io->ioport[port].podr, bit_mask | tmp_val); + else + out_be32(&par_io->ioport[port].podr, ~bit_mask & tmp_val); + + /* Setup the assignment */ + tmp_val = (pin > (NUM_OF_PINS / 2) - 1) ? + in_be32(&par_io->ioport[port].ppar2) : + in_be32(&par_io->ioport[port].ppar1); + dbit_asgn = (u32)(assign << offset); + + /* Clear and set 2 bits mask */ + if (pin > (NUM_OF_PINS / 2) - 1) { + out_be32(&par_io->ioport[port].ppar2, ~dbit_mask & tmp_val); + out_be32(&par_io->ioport[port].ppar2, dbit_asgn | tmp_val); + } else { + out_be32(&par_io->ioport[port].ppar1, ~dbit_mask & tmp_val); + out_be32(&par_io->ioport[port].ppar1, dbit_asgn | tmp_val); + } +} + +#if !defined(CONFIG_PINCTRL) +/** qe_config_iopin configure one io pin setting + * + * @port: io pin port + * @pin: io pin number which get configured + * @dir: direction of io pin 2 bits valid + * 00 = pin disabled + * 01 = output + * 10 = input + * 11 = pin is I/O + * @open_drain: is pin open drain + * @assign: pin assignment registers select the function of the pin + */ +void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign) +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + qepio83xx_t *par_io = (qepio83xx_t *)&im->qepio; + + qe_cfg_iopin(par_io, port, pin, dir, open_drain, assign); +} +#else +static int qe_io_ofdata_to_platdata(struct udevice *dev) +{ + struct qe_io_platdata *plat = dev->platdata; + fdt_addr_t addr; + + addr = dev_read_addr(dev); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + plat->base = (qepio83xx_t *)addr; + if (dev_read_u32(dev, "num-ports", &plat->num_io_ports)) + return -EINVAL; + + return 0; +} + +/** + * par_io_of_config_node config + * @dev: pointer to pinctrl device + * @pio: ofnode of pinconfig property + */ +static int par_io_of_config_node(struct udevice *dev, ofnode pio) +{ + struct qe_io_platdata *plat = dev->platdata; + qepio83xx_t *par_io = plat->base; + const unsigned int *pio_map; + int pio_map_len; + + pio_map = ofnode_get_property(pio, "pio-map", &pio_map_len); + if (!pio_map) + return -ENOENT; + + pio_map_len /= sizeof(unsigned int); + if ((pio_map_len % 6) != 0) { + dev_err(dev, "%s: pio-map format wrong!\n", __func__); + return -EINVAL; + } + + while (pio_map_len > 0) { + /* + * column pio_map[5] from linux (has_irq) not + * supported in u-boot yet. + */ + qe_cfg_iopin(par_io, (u8)pio_map[0], (u8)pio_map[1], + (int)pio_map[2], (int)pio_map[3], + (int)pio_map[4]); + pio_map += 6; + pio_map_len -= 6; + } + return 0; +} + +int par_io_of_config(struct udevice *dev) +{ + u32 phandle; + ofnode pio; + int err; + + err = ofnode_read_u32(dev_ofnode(dev), "pio-handle", &phandle); + if (err) { + dev_err(dev, "%s: pio-handle not available\n", __func__); + return err; + } + + pio = ofnode_get_by_phandle(phandle); + if (!ofnode_valid(pio)) { + dev_err(dev, "%s: unable to find node\n", __func__); + return -EINVAL; + } + + /* To Do: find pinctrl device and pass it */ + return par_io_of_config_node(NULL, pio); +} + +/* + * This is not nice! + * pinsettings should work with "pinctrl-" properties. + * Unfortunately on mpc83xx powerpc linux device trees + * devices handle this with "pio-handle" properties ... + * + * Even worser, old board code inits all par_io + * pins in one step, if U-Boot uses the device + * or not. So init all par_io definitions here too + * as linux does this also. + */ +static void config_qe_ioports(struct udevice *dev) +{ + ofnode ofn; + + for (ofn = dev_read_first_subnode(dev); ofnode_valid(ofn); + ofn = dev_read_next_subnode(ofn)) { + /* + * ignore errors here, as may the subnode + * has no pio-handle + */ + par_io_of_config_node(dev, ofn); + } +} + +static int par_io_pinctrl_probe(struct udevice *dev) +{ + config_qe_ioports(dev); + + return 0; +} + +static int par_io_pinctrl_set_state(struct udevice *dev, struct udevice *config) +{ + return 0; +} + +const struct pinctrl_ops par_io_pinctrl_ops = { + .set_state = par_io_pinctrl_set_state, +}; + +static const struct udevice_id par_io_pinctrl_match[] = { + { .compatible = "fsl,mpc8360-par_io"}, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(par_io_pinctrl) = { + .name = "par-io-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(par_io_pinctrl_match), + .probe = par_io_pinctrl_probe, + .ofdata_to_platdata = qe_io_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct qe_io_platdata), + .ops = &par_io_pinctrl_ops, +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) + .flags = DM_FLAG_PRE_RELOC, +#endif +}; +#endif diff --git a/drivers/pinctrl/pinctrl_stm32.c b/drivers/pinctrl/pinctrl_stm32.c index 71fa29a389..dbea99532c 100644 --- a/drivers/pinctrl/pinctrl_stm32.c +++ b/drivers/pinctrl/pinctrl_stm32.c @@ -1,3 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017-2020 STMicroelectronics - All Rights Reserved + */ + #include <common.h> #include <dm.h> #include <hwspinlock.h> @@ -13,8 +18,6 @@ #include <linux/err.h> #include <linux/libfdt.h> -DECLARE_GLOBAL_DATA_PTR; - #define MAX_PINS_ONE_IP 70 #define MODE_BITS_MASK 3 #define OSPEED_MASK 3 @@ -308,7 +311,8 @@ static int prep_gpio_dsc(struct stm32_gpio_dsc *gpio_dsc, u32 port_pin) return 0; } -static int prep_gpio_ctl(struct stm32_gpio_ctl *gpio_ctl, u32 gpio_fn, int node) +static int prep_gpio_ctl(struct stm32_gpio_ctl *gpio_ctl, u32 gpio_fn, + ofnode node) { gpio_fn &= 0x00FF; gpio_ctl->af = 0; @@ -329,16 +333,16 @@ static int prep_gpio_ctl(struct stm32_gpio_ctl *gpio_ctl, u32 gpio_fn, int node) break; } - gpio_ctl->speed = fdtdec_get_int(gd->fdt_blob, node, "slew-rate", 0); + gpio_ctl->speed = ofnode_read_u32_default(node, "slew-rate", 0); - if (fdtdec_get_bool(gd->fdt_blob, node, "drive-open-drain")) + if (ofnode_read_bool(node, "drive-open-drain")) gpio_ctl->otype = STM32_GPIO_OTYPE_OD; else gpio_ctl->otype = STM32_GPIO_OTYPE_PP; - if (fdtdec_get_bool(gd->fdt_blob, node, "bias-pull-up")) + if (ofnode_read_bool(node, "bias-pull-up")) gpio_ctl->pupd = STM32_GPIO_PUPD_UP; - else if (fdtdec_get_bool(gd->fdt_blob, node, "bias-pull-down")) + else if (ofnode_read_bool(node, "bias-pull-down")) gpio_ctl->pupd = STM32_GPIO_PUPD_DOWN; else gpio_ctl->pupd = STM32_GPIO_PUPD_NO; @@ -350,32 +354,37 @@ static int prep_gpio_ctl(struct stm32_gpio_ctl *gpio_ctl, u32 gpio_fn, int node) return 0; } -static int stm32_pinctrl_config(int offset) +static int stm32_pinctrl_config(ofnode node) { u32 pin_mux[MAX_PINS_ONE_IP]; int rv, len; + ofnode subnode; /* * check for "pinmux" property in each subnode (e.g. pins1 and pins2 for * usart1) of pin controller phandle "pinctrl-0" * */ - fdt_for_each_subnode(offset, gd->fdt_blob, offset) { + ofnode_for_each_subnode(subnode, node) { struct stm32_gpio_dsc gpio_dsc; struct stm32_gpio_ctl gpio_ctl; int i; - len = fdtdec_get_int_array_count(gd->fdt_blob, offset, - "pinmux", pin_mux, - ARRAY_SIZE(pin_mux)); + rv = ofnode_read_size(subnode, "pinmux"); + if (rv < 0) + return rv; + len = rv / sizeof(pin_mux[0]); debug("%s: no of pinmux entries= %d\n", __func__, len); - if (len < 0) + if (len > MAX_PINS_ONE_IP) return -EINVAL; + rv = ofnode_read_u32_array(subnode, "pinmux", pin_mux, len); + if (rv < 0) + return rv; for (i = 0; i < len; i++) { struct gpio_desc desc; debug("%s: pinmux = %x\n", __func__, *(pin_mux + i)); prep_gpio_dsc(&gpio_dsc, *(pin_mux + i)); - prep_gpio_ctl(&gpio_ctl, *(pin_mux + i), offset); + prep_gpio_ctl(&gpio_ctl, *(pin_mux + i), subnode); rv = uclass_get_device_by_seq(UCLASS_GPIO, gpio_dsc.port, &desc.dev); @@ -424,19 +433,18 @@ static int stm32_pinctrl_bind(struct udevice *dev) #if CONFIG_IS_ENABLED(PINCTRL_FULL) static int stm32_pinctrl_set_state(struct udevice *dev, struct udevice *config) { - return stm32_pinctrl_config(dev_of_offset(config)); + return stm32_pinctrl_config(dev_ofnode(config)); } #else /* PINCTRL_FULL */ static int stm32_pinctrl_set_state_simple(struct udevice *dev, struct udevice *periph) { - const void *fdt = gd->fdt_blob; const fdt32_t *list; uint32_t phandle; - int config_node; + ofnode config_node; int size, i, ret; - list = fdt_getprop(fdt, dev_of_offset(periph), "pinctrl-0", &size); + list = ofnode_get_property(dev_ofnode(periph), "pinctrl-0", &size); if (!list) return -EINVAL; @@ -446,8 +454,8 @@ static int stm32_pinctrl_set_state_simple(struct udevice *dev, for (i = 0; i < size; i++) { phandle = fdt32_to_cpu(*list++); - config_node = fdt_node_offset_by_phandle(fdt, phandle); - if (config_node < 0) { + config_node = ofnode_get_by_phandle(phandle); + if (!ofnode_valid(config_node)) { pr_err("prop pinctrl-0 index %d invalid phandle\n", i); return -EINVAL; } diff --git a/drivers/pinctrl/renesas/Kconfig b/drivers/pinctrl/renesas/Kconfig index 8327bcabd6..e14294b6e7 100644 --- a/drivers/pinctrl/renesas/Kconfig +++ b/drivers/pinctrl/renesas/Kconfig @@ -57,6 +57,16 @@ config PINCTRL_PFC_R8A7794 the GPIO definitions and pin control functions for each available multiplex function. +config PINCTRL_PFC_R8A774A1 + bool "Renesas RZ/G2 R8A774A1 pin control driver" + depends on PINCTRL_PFC + help + Support pin multiplexing control on Renesas RZ/G2M R8A774A1 SoCs. + + The driver is controlled by a device tree node which contains both + the GPIO definitions and pin control functions for each available + multiplex function. + config PINCTRL_PFC_R8A7795 bool "Renesas RCar Gen3 R8A7795 pin control driver" depends on PINCTRL_PFC @@ -77,16 +87,6 @@ config PINCTRL_PFC_R8A7796 the GPIO definitions and pin control functions for each available multiplex function. -config PINCTRL_PFC_R8A774A1 - bool "Renesas RCar Gen3 R8A774A1 pin control driver" - depends on PINCTRL_PFC - help - Support pin multiplexing control on Renesas RZG2M R8A774A1 SoCs. - - The driver is controlled by a device tree node which contains both - the GPIO definitions and pin control functions for each available - multiplex function. - config PINCTRL_PFC_R8A77965 bool "Renesas RCar Gen3 R8A77965 pin control driver" depends on PINCTRL_PFC diff --git a/drivers/qe/Kconfig b/drivers/qe/Kconfig index 44c9f010bd..864b36b822 100644 --- a/drivers/qe/Kconfig +++ b/drivers/qe/Kconfig @@ -3,7 +3,7 @@ # config QE bool "Enable support for QUICC Engine" - depends on PPC && !DM_ETH + depends on PPC default y if ARCH_T1040 || ARCH_T1042 || ARCH_T1024 || ARCH_P1021 \ || ARCH_P1025 help diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c index 61ca4760c8..1a829b5a4c 100644 --- a/drivers/qe/qe.c +++ b/drivers/qe/qe.c @@ -26,7 +26,7 @@ #define MPC85xx_DEVDISR_QE_DISABLE 0x1 -qe_map_t *qe_immr = NULL; +qe_map_t *qe_immr; #ifdef CONFIG_QE static qe_snum_t snums[QE_NUM_OF_SNUM]; #endif @@ -38,18 +38,16 @@ void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data) u32 cecr; if (cmd == QE_RESET) { - out_be32(&qe_immr->cp.cecr,(u32) (cmd | QE_CR_FLG)); + out_be32(&qe_immr->cp.cecr, (u32)(cmd | QE_CR_FLG)); } else { out_be32(&qe_immr->cp.cecdr, cmd_data); out_be32(&qe_immr->cp.cecr, (sbc | QE_CR_FLG | - ((u32) mcn<<QE_CR_PROTOCOL_SHIFT) | cmd)); + ((u32)mcn << QE_CR_PROTOCOL_SHIFT) | cmd)); } /* Wait for the QE_CR_FLG to clear */ do { cecr = in_be32(&qe_immr->cp.cecr); } while (cecr & QE_CR_FLG); - - return; } #ifdef CONFIG_QE @@ -66,12 +64,13 @@ uint qe_muram_alloc(uint size, uint align) if (off != 0) gd->arch.mp_alloc_base += (align - off); - if ((off = size & align_mask) != 0) + off = size & align_mask; + if (off != 0) size += (align - off); if ((gd->arch.mp_alloc_base + size) >= gd->arch.mp_alloc_top) { gd->arch.mp_alloc_base = savebase; - printf("%s: ran out of ram.\n", __FUNCTION__); + printf("%s: ran out of ram.\n", __func__); } retloc = gd->arch.mp_alloc_base; @@ -93,10 +92,10 @@ void *qe_muram_addr(uint offset) #ifdef CONFIG_QE static void qe_sdma_init(void) { - volatile sdma_t *p; - uint sdma_buffer_base; + sdma_t *p; + uint sdma_buffer_base; - p = (volatile sdma_t *)&qe_immr->sdma; + p = (sdma_t *)&qe_immr->sdma; /* All of DMA transaction in bus 1 */ out_be32(&p->sdaqr, 0); @@ -212,7 +211,7 @@ void qe_init(uint qe_base) qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR); /* enable the microcode in IRAM */ - out_be32(&qe_immr->iram.iready,QE_IRAM_READY); + out_be32(&qe_immr->iram.iready, QE_IRAM_READY); #endif gd->arch.mp_alloc_base = QE_DATAONLY_BASE; @@ -235,10 +234,12 @@ void u_qe_init(void) void *addr = (void *)CONFIG_SYS_QE_FW_ADDR; if (src == BOOT_SOURCE_IFC_NOR) - addr = (void *)(CONFIG_SYS_QE_FW_ADDR + CONFIG_SYS_FSL_IFC_BASE); + addr = (void *)(CONFIG_SYS_QE_FW_ADDR + + CONFIG_SYS_FSL_IFC_BASE); if (src == BOOT_SOURCE_QSPI_NOR) - addr = (void *)(CONFIG_SYS_QE_FW_ADDR + CONFIG_SYS_FSL_QSPI_BASE); + addr = (void *)(CONFIG_SYS_QE_FW_ADDR + + CONFIG_SYS_FSL_QSPI_BASE); if (src == BOOT_SOURCE_SD_MMC) { int dev = CONFIG_SYS_MMC_ENV_DEV; @@ -320,7 +321,7 @@ void u_qe_resume(void) void qe_reset(void) { qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID, - (u8) QE_CR_PROTOCOL_UNSPECIFIED, 0); + (u8)QE_CR_PROTOCOL_UNSPECIFIED, 0); } #ifdef CONFIG_QE @@ -329,24 +330,22 @@ void qe_assign_page(uint snum, uint para_ram_base) u32 cecr; out_be32(&qe_immr->cp.cecdr, para_ram_base); - out_be32(&qe_immr->cp.cecr, ((u32) snum<<QE_CR_ASSIGN_PAGE_SNUM_SHIFT) + out_be32(&qe_immr->cp.cecr, ((u32)snum << QE_CR_ASSIGN_PAGE_SNUM_SHIFT) | QE_CR_FLG | QE_ASSIGN_PAGE); /* Wait for the QE_CR_FLG to clear */ do { cecr = in_be32(&qe_immr->cp.cecr); - } while (cecr & QE_CR_FLG ); - - return; + } while (cecr & QE_CR_FLG); } #endif /* * brg: 0~15 as BRG1~BRG16 - rate: baud rate + * rate: baud rate * BRG input clock comes from the BRGCLK (internal clock generated from - the QE clock, it is one-half of the QE clock), If need the clock source - from CLKn pin, we have te change the function. + * the QE clock, it is one-half of the QE clock), If need the clock source + * from CLKn pin, we have te change the function. */ #define BRG_CLK (gd->arch.brg_clk) @@ -354,12 +353,14 @@ void qe_assign_page(uint snum, uint para_ram_base) #ifdef CONFIG_QE int qe_set_brg(uint brg, uint rate) { - volatile uint *bp; - u32 divisor; - int div16 = 0; + uint *bp; + u32 divisor; + u32 val; + int div16 = 0; if (brg >= QE_NUM_OF_BRGS) return -EINVAL; + bp = (uint *)&qe_immr->brg.brgc1; bp += brg; @@ -369,33 +370,37 @@ int qe_set_brg(uint brg, uint rate) divisor /= 16; } - *bp = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | QE_BRGC_ENABLE; - __asm__ __volatile__("sync"); + /* CHECK TODO */ + /* + * was + * *bp = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | QE_BRGC_ENABLE; + * __asm__ __volatile__("sync"); + */ - if (div16) { - *bp |= QE_BRGC_DIV16; - __asm__ __volatile__("sync"); - } + val = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | QE_BRGC_ENABLE; + if (div16) + val |= QE_BRGC_DIV16; + + out_be32(bp, val); return 0; } #endif -/* Set ethernet MII clock master -*/ +/* Set ethernet MII clock master */ int qe_set_mii_clk_src(int ucc_num) { u32 cmxgcr; /* check if the UCC number is in range. */ - if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0)) { - printf("%s: ucc num not in ranges\n", __FUNCTION__); + if ((ucc_num > UCC_MAX_NUM - 1) || ucc_num < 0) { + printf("%s: ucc num not in ranges\n", __func__); return -EINVAL; } cmxgcr = in_be32(&qe_immr->qmx.cmxgcr); cmxgcr &= ~QE_CMXGCR_MII_ENET_MNG_MASK; - cmxgcr |= (ucc_num <<QE_CMXGCR_MII_ENET_MNG_SHIFT); + cmxgcr |= (ucc_num << QE_CMXGCR_MII_ENET_MNG_SHIFT); out_be32(&qe_immr->qmx.cmxgcr, cmxgcr); return 0; @@ -417,7 +422,7 @@ static int qe_firmware_uploaded; * the actual uploading of the microcode. */ static void qe_upload_microcode(const void *base, - const struct qe_microcode *ucode) + const struct qe_microcode *ucode) { const u32 *code = base + be32_to_cpu(ucode->code_offset); unsigned int i; @@ -494,7 +499,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware) } /* Validate some of the fields */ - if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) { + if (firmware->count < 1 || firmware->count > MAX_QE_RISC) { printf("Invalid data\n"); return -EINVAL; } @@ -522,7 +527,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware) * function isn't available unless you turn on JFFS support. */ crc = be32_to_cpu(*(u32 *)((void *)firmware + calc_size)); - if (crc != (crc32(-1, (const void *) firmware, calc_size) ^ -1)) { + if (crc != (crc32(-1, (const void *)firmware, calc_size) ^ -1)) { printf("Firmware CRC is invalid\n"); return -EIO; } @@ -532,12 +537,12 @@ int qe_upload_firmware(const struct qe_firmware *firmware) */ if (!firmware->split) { out_be16(&qe_immr->cp.cercr, - in_be16(&qe_immr->cp.cercr) | QE_CP_CERCR_CIR); + in_be16(&qe_immr->cp.cercr) | QE_CP_CERCR_CIR); } if (firmware->soc.model) printf("Firmware '%s' for %u V%u.%u\n", - firmware->id, be16_to_cpu(firmware->soc.model), + firmware->id, be16_to_cpu(firmware->soc.model), firmware->soc.major, firmware->soc.minor); else printf("Firmware '%s'\n", firmware->id); @@ -550,7 +555,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware) strncpy(qe_firmware_info.id, (char *)firmware->id, 62); qe_firmware_info.extended_modes = firmware->extended_modes; memcpy(qe_firmware_info.vtraps, firmware->vtraps, - sizeof(firmware->vtraps)); + sizeof(firmware->vtraps)); qe_firmware_uploaded = 1; /* Loop through each microcode. */ @@ -634,7 +639,7 @@ int u_qe_upload_firmware(const struct qe_firmware *firmware) } /* Validate some of the fields */ - if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) { + if (firmware->count < 1 || firmware->count > MAX_QE_RISC) { printf("Invalid data\n"); return -EINVAL; } @@ -803,7 +808,7 @@ static int qe_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) if (argc > 3) { ulong length = simple_strtoul(argv[3], NULL, 16); - struct qe_firmware *firmware = (void *) addr; + struct qe_firmware *firmware = (void *)addr; if (length != be32_to_cpu(firmware->header.length)) { printf("Length mismatch\n"); @@ -811,7 +816,7 @@ static int qe_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) } } - return qe_upload_firmware((const struct qe_firmware *) addr); + return qe_upload_firmware((const struct qe_firmware *)addr); } return cmd_usage(cmdtp); @@ -820,7 +825,6 @@ static int qe_cmd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) U_BOOT_CMD( qe, 4, 0, qe_cmd, "QUICC Engine commands", - "fw <addr> [<length>] - Upload firmware binary at address <addr> to " - "the QE,\n" + "fw <addr> [<length>] - Upload firmware binary at address <addr> to the QE,\n" "\twith optional length <length> verification." ); diff --git a/drivers/qe/uccf.c b/drivers/qe/uccf.c index 9beb5d90ac..d5d734439c 100644 --- a/drivers/qe/uccf.c +++ b/drivers/qe/uccf.c @@ -14,7 +14,8 @@ #include "uccf.h" #include <fsl_qe.h> -void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf) +#if !defined(CONFIG_DM_ETH) +void ucc_fast_transmit_on_demand(struct ucc_fast_priv *uccf) { out_be16(&uccf->uf_regs->utodr, UCC_FAST_TOD); } @@ -22,170 +23,271 @@ void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf) u32 ucc_fast_get_qe_cr_subblock(int ucc_num) { switch (ucc_num) { - case 0: return QE_CR_SUBBLOCK_UCCFAST1; - case 1: return QE_CR_SUBBLOCK_UCCFAST2; - case 2: return QE_CR_SUBBLOCK_UCCFAST3; - case 3: return QE_CR_SUBBLOCK_UCCFAST4; - case 4: return QE_CR_SUBBLOCK_UCCFAST5; - case 5: return QE_CR_SUBBLOCK_UCCFAST6; - case 6: return QE_CR_SUBBLOCK_UCCFAST7; - case 7: return QE_CR_SUBBLOCK_UCCFAST8; - default: return QE_CR_SUBBLOCK_INVALID; + case 0: + return QE_CR_SUBBLOCK_UCCFAST1; + case 1: + return QE_CR_SUBBLOCK_UCCFAST2; + case 2: + return QE_CR_SUBBLOCK_UCCFAST3; + case 3: + return QE_CR_SUBBLOCK_UCCFAST4; + case 4: + return QE_CR_SUBBLOCK_UCCFAST5; + case 5: + return QE_CR_SUBBLOCK_UCCFAST6; + case 6: + return QE_CR_SUBBLOCK_UCCFAST7; + case 7: + return QE_CR_SUBBLOCK_UCCFAST8; + default: + return QE_CR_SUBBLOCK_INVALID; } } -static void ucc_get_cmxucr_reg(int ucc_num, volatile u32 **p_cmxucr, - u8 *reg_num, u8 *shift) +static void ucc_get_cmxucr_reg(int ucc_num, u32 **p_cmxucr, + u8 *reg_num, u8 *shift) { switch (ucc_num) { - case 0: /* UCC1 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr1); - *reg_num = 1; - *shift = 16; - break; - case 2: /* UCC3 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr1); - *reg_num = 1; - *shift = 0; - break; - case 4: /* UCC5 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr2); - *reg_num = 2; - *shift = 16; - break; - case 6: /* UCC7 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr2); - *reg_num = 2; - *shift = 0; - break; - case 1: /* UCC2 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr3); - *reg_num = 3; - *shift = 16; - break; - case 3: /* UCC4 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr3); - *reg_num = 3; - *shift = 0; - break; - case 5: /* UCC6 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr4); - *reg_num = 4; - *shift = 16; - break; - case 7: /* UCC8 */ - *p_cmxucr = &(qe_immr->qmx.cmxucr4); - *reg_num = 4; - *shift = 0; - break; - default: - break; + case 0: /* UCC1 */ + *p_cmxucr = &qe_immr->qmx.cmxucr1; + *reg_num = 1; + *shift = 16; + break; + case 2: /* UCC3 */ + *p_cmxucr = &qe_immr->qmx.cmxucr1; + *reg_num = 1; + *shift = 0; + break; + case 4: /* UCC5 */ + *p_cmxucr = &qe_immr->qmx.cmxucr2; + *reg_num = 2; + *shift = 16; + break; + case 6: /* UCC7 */ + *p_cmxucr = &qe_immr->qmx.cmxucr2; + *reg_num = 2; + *shift = 0; + break; + case 1: /* UCC2 */ + *p_cmxucr = &qe_immr->qmx.cmxucr3; + *reg_num = 3; + *shift = 16; + break; + case 3: /* UCC4 */ + *p_cmxucr = &qe_immr->qmx.cmxucr3; + *reg_num = 3; + *shift = 0; + break; + case 5: /* UCC6 */ + *p_cmxucr = &qe_immr->qmx.cmxucr4; + *reg_num = 4; + *shift = 16; + break; + case 7: /* UCC8 */ + *p_cmxucr = &qe_immr->qmx.cmxucr4; + *reg_num = 4; + *shift = 0; + break; + default: + break; } } static int ucc_set_clk_src(int ucc_num, qe_clock_e clock, comm_dir_e mode) { - volatile u32 *p_cmxucr = NULL; - u8 reg_num = 0; - u8 shift = 0; - u32 clockBits; - u32 clockMask; - int source = -1; + u32 *p_cmxucr = NULL; + u8 reg_num = 0; + u8 shift = 0; + u32 clk_bits; + u32 clk_mask; + int source = -1; /* check if the UCC number is in range. */ - if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0)) + if ((ucc_num > UCC_MAX_NUM - 1) || ucc_num < 0) return -EINVAL; - if (! ((mode == COMM_DIR_RX) || (mode == COMM_DIR_TX))) { - printf("%s: bad comm mode type passed\n", __FUNCTION__); + if (!(mode == COMM_DIR_RX || mode == COMM_DIR_TX)) { + printf("%s: bad comm mode type passed\n", __func__); return -EINVAL; } ucc_get_cmxucr_reg(ucc_num, &p_cmxucr, ®_num, &shift); switch (reg_num) { - case 1: - switch (clock) { - case QE_BRG1: source = 1; break; - case QE_BRG2: source = 2; break; - case QE_BRG7: source = 3; break; - case QE_BRG8: source = 4; break; - case QE_CLK9: source = 5; break; - case QE_CLK10: source = 6; break; - case QE_CLK11: source = 7; break; - case QE_CLK12: source = 8; break; - case QE_CLK15: source = 9; break; - case QE_CLK16: source = 10; break; - default: source = -1; break; - } - break; - case 2: - switch (clock) { - case QE_BRG5: source = 1; break; - case QE_BRG6: source = 2; break; - case QE_BRG7: source = 3; break; - case QE_BRG8: source = 4; break; - case QE_CLK13: source = 5; break; - case QE_CLK14: source = 6; break; - case QE_CLK19: source = 7; break; - case QE_CLK20: source = 8; break; - case QE_CLK15: source = 9; break; - case QE_CLK16: source = 10; break; - default: source = -1; break; - } - break; - case 3: - switch (clock) { - case QE_BRG9: source = 1; break; - case QE_BRG10: source = 2; break; - case QE_BRG15: source = 3; break; - case QE_BRG16: source = 4; break; - case QE_CLK3: source = 5; break; - case QE_CLK4: source = 6; break; - case QE_CLK17: source = 7; break; - case QE_CLK18: source = 8; break; - case QE_CLK7: source = 9; break; - case QE_CLK8: source = 10; break; - case QE_CLK16: source = 11; break; - default: source = -1; break; - } - break; - case 4: - switch (clock) { - case QE_BRG13: source = 1; break; - case QE_BRG14: source = 2; break; - case QE_BRG15: source = 3; break; - case QE_BRG16: source = 4; break; - case QE_CLK5: source = 5; break; - case QE_CLK6: source = 6; break; - case QE_CLK21: source = 7; break; - case QE_CLK22: source = 8; break; - case QE_CLK7: source = 9; break; - case QE_CLK8: source = 10; break; - case QE_CLK16: source = 11; break; - default: source = -1; break; - } + case 1: + switch (clock) { + case QE_BRG1: + source = 1; + break; + case QE_BRG2: + source = 2; + break; + case QE_BRG7: + source = 3; + break; + case QE_BRG8: + source = 4; + break; + case QE_CLK9: + source = 5; + break; + case QE_CLK10: + source = 6; + break; + case QE_CLK11: + source = 7; + break; + case QE_CLK12: + source = 8; + break; + case QE_CLK15: + source = 9; + break; + case QE_CLK16: + source = 10; + break; + default: + source = -1; + break; + } + break; + case 2: + switch (clock) { + case QE_BRG5: + source = 1; + break; + case QE_BRG6: + source = 2; + break; + case QE_BRG7: + source = 3; + break; + case QE_BRG8: + source = 4; + break; + case QE_CLK13: + source = 5; + break; + case QE_CLK14: + source = 6; + break; + case QE_CLK19: + source = 7; + break; + case QE_CLK20: + source = 8; + break; + case QE_CLK15: + source = 9; + break; + case QE_CLK16: + source = 10; break; default: source = -1; break; + } + break; + case 3: + switch (clock) { + case QE_BRG9: + source = 1; + break; + case QE_BRG10: + source = 2; + break; + case QE_BRG15: + source = 3; + break; + case QE_BRG16: + source = 4; + break; + case QE_CLK3: + source = 5; + break; + case QE_CLK4: + source = 6; + break; + case QE_CLK17: + source = 7; + break; + case QE_CLK18: + source = 8; + break; + case QE_CLK7: + source = 9; + break; + case QE_CLK8: + source = 10; + break; + case QE_CLK16: + source = 11; + break; + default: + source = -1; + break; + } + break; + case 4: + switch (clock) { + case QE_BRG13: + source = 1; + break; + case QE_BRG14: + source = 2; + break; + case QE_BRG15: + source = 3; + break; + case QE_BRG16: + source = 4; + break; + case QE_CLK5: + source = 5; + break; + case QE_CLK6: + source = 6; + break; + case QE_CLK21: + source = 7; + break; + case QE_CLK22: + source = 8; + break; + case QE_CLK7: + source = 9; + break; + case QE_CLK8: + source = 10; + break; + case QE_CLK16: + source = 11; + break; + default: + source = -1; + break; + } + break; + default: + source = -1; + break; } if (source == -1) { - printf("%s: Bad combination of clock and UCC\n", __FUNCTION__); + printf("%s: Bad combination of clock and UCC\n", __func__); return -ENOENT; } - clockBits = (u32) source; - clockMask = QE_CMXUCR_TX_CLK_SRC_MASK; + clk_bits = (u32)source; + clk_mask = QE_CMXUCR_TX_CLK_SRC_MASK; if (mode == COMM_DIR_RX) { - clockBits <<= 4; /* Rx field is 4 bits to left of Tx field */ - clockMask <<= 4; /* Rx field is 4 bits to left of Tx field */ + clk_bits <<= 4; /* Rx field is 4 bits to left of Tx field */ + clk_mask <<= 4; /* Rx field is 4 bits to left of Tx field */ } - clockBits <<= shift; - clockMask <<= shift; + clk_bits <<= shift; + clk_mask <<= shift; - out_be32(p_cmxucr, (in_be32(p_cmxucr) & ~clockMask) | clockBits); + out_be32(p_cmxucr, (in_be32(p_cmxucr) & ~clk_mask) | clk_bits); return 0; } @@ -195,28 +297,45 @@ static uint ucc_get_reg_baseaddr(int ucc_num) uint base = 0; /* check if the UCC number is in range */ - if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0)) { - printf("%s: the UCC num not in ranges\n", __FUNCTION__); + if ((ucc_num > UCC_MAX_NUM - 1) || ucc_num < 0) { + printf("%s: the UCC num not in ranges\n", __func__); return 0; } switch (ucc_num) { - case 0: base = 0x00002000; break; - case 1: base = 0x00003000; break; - case 2: base = 0x00002200; break; - case 3: base = 0x00003200; break; - case 4: base = 0x00002400; break; - case 5: base = 0x00003400; break; - case 6: base = 0x00002600; break; - case 7: base = 0x00003600; break; - default: break; + case 0: + base = 0x00002000; + break; + case 1: + base = 0x00003000; + break; + case 2: + base = 0x00002200; + break; + case 3: + base = 0x00003200; + break; + case 4: + base = 0x00002400; + break; + case 5: + base = 0x00003400; + break; + case 6: + base = 0x00002600; + break; + case 7: + base = 0x00003600; + break; + default: + break; } base = (uint)qe_immr + base; return base; } -void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode) +void ucc_fast_enable(struct ucc_fast_priv *uccf, comm_dir_e mode) { ucc_fast_t *uf_regs; u32 gumr; @@ -236,7 +355,7 @@ void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode) out_be32(&uf_regs->gumr, gumr); } -void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode) +void ucc_fast_disable(struct ucc_fast_priv *uccf, comm_dir_e mode) { ucc_fast_t *uf_regs; u32 gumr; @@ -256,34 +375,35 @@ void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode) out_be32(&uf_regs->gumr, gumr); } -int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) +int ucc_fast_init(struct ucc_fast_inf *uf_info, + struct ucc_fast_priv **uccf_ret) { - ucc_fast_private_t *uccf; + struct ucc_fast_priv *uccf; ucc_fast_t *uf_regs; if (!uf_info) return -EINVAL; - if ((uf_info->ucc_num < 0) || (uf_info->ucc_num > UCC_MAX_NUM - 1)) { - printf("%s: Illagal UCC number!\n", __FUNCTION__); + if (uf_info->ucc_num < 0 || (uf_info->ucc_num > UCC_MAX_NUM - 1)) { + printf("%s: Illagal UCC number!\n", __func__); return -EINVAL; } - uccf = (ucc_fast_private_t *)malloc(sizeof(ucc_fast_private_t)); + uccf = (struct ucc_fast_priv *)malloc(sizeof(struct ucc_fast_priv)); if (!uccf) { printf("%s: No memory for UCC fast data structure!\n", - __FUNCTION__); + __func__); return -ENOMEM; } - memset(uccf, 0, sizeof(ucc_fast_private_t)); + memset(uccf, 0, sizeof(struct ucc_fast_priv)); /* Save fast UCC structure */ uccf->uf_info = uf_info; uccf->uf_regs = (ucc_fast_t *)ucc_get_reg_baseaddr(uf_info->ucc_num); - if (uccf->uf_regs == NULL) { + if (!uccf->uf_regs) { printf("%s: No memory map for UCC fast controller!\n", - __FUNCTION__); + __func__); return -ENOMEM; } @@ -291,8 +411,8 @@ int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) uccf->enabled_rx = 0; uf_regs = uccf->uf_regs; - uccf->p_ucce = (u32 *) &(uf_regs->ucce); - uccf->p_uccm = (u32 *) &(uf_regs->uccm); + uccf->p_ucce = (u32 *)&uf_regs->ucce; + uccf->p_uccm = (u32 *)&uf_regs->uccm; /* Init GUEMR register, UCC both Rx and Tx is Fast protocol */ out_8(&uf_regs->guemr, UCC_GUEMR_SET_RESERVED3 | UCC_GUEMR_MODE_FAST_RX @@ -306,13 +426,13 @@ int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) /* Allocate memory for Tx Virtual Fifo */ uccf->ucc_fast_tx_virtual_fifo_base_offset = qe_muram_alloc(UCC_GETH_UTFS_GIGA_INIT, - UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); /* Allocate memory for Rx Virtual Fifo */ uccf->ucc_fast_rx_virtual_fifo_base_offset = qe_muram_alloc(UCC_GETH_URFS_GIGA_INIT + - UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD, - UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD, + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); /* utfb, urfb are offsets from MURAM base */ out_be32(&uf_regs->utfb, @@ -334,7 +454,7 @@ int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) /* Allocate memory for Tx Virtual Fifo */ uccf->ucc_fast_tx_virtual_fifo_base_offset = qe_muram_alloc(UCC_GETH_UTFS_INIT, - UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); + UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT); /* Allocate memory for Rx Virtual Fifo */ uccf->ucc_fast_rx_virtual_fifo_base_offset = @@ -360,9 +480,9 @@ int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) /* Rx clock routing */ if (uf_info->rx_clock != QE_CLK_NONE) { if (ucc_set_clk_src(uf_info->ucc_num, - uf_info->rx_clock, COMM_DIR_RX)) { + uf_info->rx_clock, COMM_DIR_RX)) { printf("%s: Illegal value for parameter 'RxClock'.\n", - __FUNCTION__); + __func__); return -EINVAL; } } @@ -370,9 +490,9 @@ int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) /* Tx clock routing */ if (uf_info->tx_clock != QE_CLK_NONE) { if (ucc_set_clk_src(uf_info->ucc_num, - uf_info->tx_clock, COMM_DIR_TX)) { + uf_info->tx_clock, COMM_DIR_TX)) { printf("%s: Illegal value for parameter 'TxClock'.\n", - __FUNCTION__); + __func__); return -EINVAL; } } @@ -386,3 +506,4 @@ int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret) *uccf_ret = uccf; return 0; } +#endif diff --git a/drivers/qe/uccf.h b/drivers/qe/uccf.h index 4098c66317..99f8458edf 100644 --- a/drivers/qe/uccf.h +++ b/drivers/qe/uccf.h @@ -13,25 +13,23 @@ #include "linux/immap_qe.h" #include <fsl_qe.h> -/* Fast or Giga ethernet -*/ -typedef enum enet_type { +/* Fast or Giga ethernet */ +enum enet_type { FAST_ETH, GIGA_ETH, -} enet_type_e; +}; -/* General UCC Extended Mode Register -*/ +/* General UCC Extended Mode Register */ #define UCC_GUEMR_MODE_MASK_RX 0x02 #define UCC_GUEMR_MODE_MASK_TX 0x01 #define UCC_GUEMR_MODE_FAST_RX 0x02 #define UCC_GUEMR_MODE_FAST_TX 0x01 #define UCC_GUEMR_MODE_SLOW_RX 0x00 #define UCC_GUEMR_MODE_SLOW_TX 0x00 -#define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 must be set 1 */ +/* Bit 3 must be set 1 */ +#define UCC_GUEMR_SET_RESERVED3 0x10 -/* General UCC FAST Mode Register -*/ +/* General UCC FAST Mode Register */ #define UCC_FAST_GUMR_TCI 0x20000000 #define UCC_FAST_GUMR_TRX 0x10000000 #define UCC_FAST_GUMR_TTX 0x08000000 @@ -46,8 +44,7 @@ typedef enum enet_type { #define UCC_FAST_GUMR_ENR 0x00000020 #define UCC_FAST_GUMR_ENT 0x00000010 -/* GUMR [MODE] bit maps -*/ +/* GUMR [MODE] bit maps */ #define UCC_FAST_GUMR_HDLC 0x00000000 #define UCC_FAST_GUMR_QMC 0x00000002 #define UCC_FAST_GUMR_UART 0x00000004 @@ -55,50 +52,54 @@ typedef enum enet_type { #define UCC_FAST_GUMR_ATM 0x0000000a #define UCC_FAST_GUMR_ETH 0x0000000c -/* Transmit On Demand (UTORD) -*/ +/* Transmit On Demand (UTORD) */ #define UCC_SLOW_TOD 0x8000 #define UCC_FAST_TOD 0x8000 -/* Fast Ethernet (10/100 Mbps) -*/ -#define UCC_GETH_URFS_INIT 512 /* Rx virtual FIFO size */ -#define UCC_GETH_URFET_INIT 256 /* 1/2 urfs */ -#define UCC_GETH_URFSET_INIT 384 /* 3/4 urfs */ -#define UCC_GETH_UTFS_INIT 512 /* Tx virtual FIFO size */ -#define UCC_GETH_UTFET_INIT 256 /* 1/2 utfs */ +/* Fast Ethernet (10/100 Mbps) */ +/* Rx virtual FIFO size */ +#define UCC_GETH_URFS_INIT 512 +/* 1/2 urfs */ +#define UCC_GETH_URFET_INIT 256 +/* 3/4 urfs */ +#define UCC_GETH_URFSET_INIT 384 +/* Tx virtual FIFO size */ +#define UCC_GETH_UTFS_INIT 512 +/* 1/2 utfs */ +#define UCC_GETH_UTFET_INIT 256 #define UCC_GETH_UTFTT_INIT 128 -/* Gigabit Ethernet (1000 Mbps) -*/ -#define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ /* Rx virtual FIFO size */ -#define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ /* 1/2 urfs */ -#define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ /* 3/4 urfs */ -#define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ /* Tx virtual FIFO size */ -#define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ /* 1/2 utfs */ -#define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ /* */ +/* Gigabit Ethernet (1000 Mbps) */ +/* Rx virtual FIFO size */ +#define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ +/* 1/2 urfs */ +#define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ +/* 3/4 urfs */ +#define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ +/* Tx virtual FIFO size */ +#define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ +/* 1/2 utfs */ +#define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ +#define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ -/* UCC fast alignment -*/ +/* UCC fast alignment */ #define UCC_FAST_RX_ALIGN 4 #define UCC_FAST_MRBLR_ALIGNMENT 4 #define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8 -/* Sizes -*/ +/* Sizes */ #define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8 -/* UCC fast structure. -*/ -typedef struct ucc_fast_info { +/* UCC fast structure. */ +struct ucc_fast_inf { int ucc_num; qe_clock_e rx_clock; qe_clock_e tx_clock; - enet_type_e eth_type; -} ucc_fast_info_t; + enum enet_type eth_type; +}; -typedef struct ucc_fast_private { - ucc_fast_info_t *uf_info; +struct ucc_fast_priv { + struct ucc_fast_inf *uf_info; ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */ u32 *p_ucce; /* a pointer to the event register */ u32 *p_uccm; /* a pointer to the mask register */ @@ -106,12 +107,13 @@ typedef struct ucc_fast_private { int enabled_rx; /* whether UCC is enabled for Rx (ENR) */ u32 ucc_fast_tx_virtual_fifo_base_offset; u32 ucc_fast_rx_virtual_fifo_base_offset; -} ucc_fast_private_t; +}; -void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf); +void ucc_fast_transmit_on_demand(struct ucc_fast_priv *uccf); u32 ucc_fast_get_qe_cr_subblock(int ucc_num); -void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode); -void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode); -int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret); +void ucc_fast_enable(struct ucc_fast_priv *uccf, comm_dir_e mode); +void ucc_fast_disable(struct ucc_fast_priv *uccf, comm_dir_e mode); +int ucc_fast_init(struct ucc_fast_inf *uf_info, + struct ucc_fast_priv **uccf_ret); #endif /* __UCCF_H__ */ diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c index 0143454387..5da971ddc0 100644 --- a/drivers/qe/uec.c +++ b/drivers/qe/uec.c @@ -20,12 +20,13 @@ #include <fsl_qe.h> #include <phy.h> +#if !defined(CONFIG_DM_ETH) /* Default UTBIPAR SMI address */ #ifndef CONFIG_UTBIPAR_INIT_TBIPA #define CONFIG_UTBIPAR_INIT_TBIPA 0x1F #endif -static uec_info_t uec_info[] = { +static struct uec_inf uec_info[] = { #ifdef CONFIG_UEC_ETH1 STD_UEC_INFO(1), /* UEC1 */ #endif @@ -56,13 +57,13 @@ static uec_info_t uec_info[] = { static struct eth_device *devlist[MAXCONTROLLERS]; -static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode) +static int uec_mac_enable(struct uec_priv *uec, comm_dir_e mode) { uec_t *uec_regs; u32 maccfg1; if (!uec) { - printf("%s: uec not initial\n", __FUNCTION__); + printf("%s: uec not initial\n", __func__); return -EINVAL; } uec_regs = uec->uec_regs; @@ -84,13 +85,13 @@ static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode) return 0; } -static int uec_mac_disable(uec_private_t *uec, comm_dir_e mode) +static int uec_mac_disable(struct uec_priv *uec, comm_dir_e mode) { uec_t *uec_regs; u32 maccfg1; if (!uec) { - printf("%s: uec not initial\n", __FUNCTION__); + printf("%s: uec not initial\n", __func__); return -EINVAL; } uec_regs = uec->uec_regs; @@ -112,14 +113,14 @@ static int uec_mac_disable(uec_private_t *uec, comm_dir_e mode) return 0; } -static int uec_graceful_stop_tx(uec_private_t *uec) +static int uec_graceful_stop_tx(struct uec_priv *uec) { ucc_fast_t *uf_regs; u32 cecr_subblock; u32 ucce; if (!uec || !uec->uccf) { - printf("%s: No handle passed.\n", __FUNCTION__); + printf("%s: No handle passed.\n", __func__); return -EINVAL; } @@ -132,30 +133,30 @@ static int uec_graceful_stop_tx(uec_private_t *uec) cecr_subblock = ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, - (u8)QE_CR_PROTOCOL_ETHERNET, 0); + (u8)QE_CR_PROTOCOL_ETHERNET, 0); /* Wait for command to complete */ do { ucce = in_be32(&uf_regs->ucce); - } while (! (ucce & UCCE_GRA)); + } while (!(ucce & UCCE_GRA)); uec->grace_stopped_tx = 1; return 0; } -static int uec_graceful_stop_rx(uec_private_t *uec) +static int uec_graceful_stop_rx(struct uec_priv *uec) { u32 cecr_subblock; u8 ack; if (!uec) { - printf("%s: No handle passed.\n", __FUNCTION__); + printf("%s: No handle passed.\n", __func__); return -EINVAL; } if (!uec->p_rx_glbl_pram) { - printf("%s: No init rx global parameter\n", __FUNCTION__); + printf("%s: No init rx global parameter\n", __func__); return -EINVAL; } @@ -170,66 +171,66 @@ static int uec_graceful_stop_rx(uec_private_t *uec) cecr_subblock = ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, - (u8)QE_CR_PROTOCOL_ETHERNET, 0); + (u8)QE_CR_PROTOCOL_ETHERNET, 0); ack = uec->p_rx_glbl_pram->rxgstpack; - } while (! (ack & GRACEFUL_STOP_ACKNOWLEDGE_RX )); + } while (!(ack & GRACEFUL_STOP_ACKNOWLEDGE_RX)); uec->grace_stopped_rx = 1; return 0; } -static int uec_restart_tx(uec_private_t *uec) +static int uec_restart_tx(struct uec_priv *uec) { u32 cecr_subblock; if (!uec || !uec->uec_info) { - printf("%s: No handle passed.\n", __FUNCTION__); + printf("%s: No handle passed.\n", __func__); return -EINVAL; } cecr_subblock = ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); qe_issue_cmd(QE_RESTART_TX, cecr_subblock, - (u8)QE_CR_PROTOCOL_ETHERNET, 0); + (u8)QE_CR_PROTOCOL_ETHERNET, 0); uec->grace_stopped_tx = 0; return 0; } -static int uec_restart_rx(uec_private_t *uec) +static int uec_restart_rx(struct uec_priv *uec) { u32 cecr_subblock; if (!uec || !uec->uec_info) { - printf("%s: No handle passed.\n", __FUNCTION__); + printf("%s: No handle passed.\n", __func__); return -EINVAL; } cecr_subblock = ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); qe_issue_cmd(QE_RESTART_RX, cecr_subblock, - (u8)QE_CR_PROTOCOL_ETHERNET, 0); + (u8)QE_CR_PROTOCOL_ETHERNET, 0); uec->grace_stopped_rx = 0; return 0; } -static int uec_open(uec_private_t *uec, comm_dir_e mode) +static int uec_open(struct uec_priv *uec, comm_dir_e mode) { - ucc_fast_private_t *uccf; + struct ucc_fast_priv *uccf; if (!uec || !uec->uccf) { - printf("%s: No handle passed.\n", __FUNCTION__); + printf("%s: No handle passed.\n", __func__); return -EINVAL; } uccf = uec->uccf; /* check if the UCC number is in range. */ if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) { - printf("%s: ucc_num out of range.\n", __FUNCTION__); + printf("%s: ucc_num out of range.\n", __func__); return -EINVAL; } @@ -240,36 +241,33 @@ static int uec_open(uec_private_t *uec, comm_dir_e mode) ucc_fast_enable(uccf, mode); /* RISC microcode start */ - if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) { + if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) uec_restart_tx(uec); - } - if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) { + if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) uec_restart_rx(uec); - } return 0; } -static int uec_stop(uec_private_t *uec, comm_dir_e mode) +static int uec_stop(struct uec_priv *uec, comm_dir_e mode) { if (!uec || !uec->uccf) { - printf("%s: No handle passed.\n", __FUNCTION__); + printf("%s: No handle passed.\n", __func__); return -EINVAL; } /* check if the UCC number is in range. */ if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) { - printf("%s: ucc_num out of range.\n", __FUNCTION__); + printf("%s: ucc_num out of range.\n", __func__); return -EINVAL; } /* Stop any transmissions */ - if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) { + if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) uec_graceful_stop_tx(uec); - } + /* Stop any receptions */ - if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) { + if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) uec_graceful_stop_rx(uec); - } /* Disable the UCC fast */ ucc_fast_disable(uec->uccf, mode); @@ -280,13 +278,13 @@ static int uec_stop(uec_private_t *uec, comm_dir_e mode) return 0; } -static int uec_set_mac_duplex(uec_private_t *uec, int duplex) +static int uec_set_mac_duplex(struct uec_priv *uec, int duplex) { uec_t *uec_regs; u32 maccfg2; if (!uec) { - printf("%s: uec not initial\n", __FUNCTION__); + printf("%s: uec not initial\n", __func__); return -EINVAL; } uec_regs = uec->uec_regs; @@ -306,8 +304,8 @@ static int uec_set_mac_duplex(uec_private_t *uec, int duplex) return 0; } -static int uec_set_mac_if_mode(uec_private_t *uec, - phy_interface_t if_mode, int speed) +static int uec_set_mac_if_mode(struct uec_priv *uec, + phy_interface_t if_mode, int speed) { phy_interface_t enet_if_mode; uec_t *uec_regs; @@ -315,7 +313,7 @@ static int uec_set_mac_if_mode(uec_private_t *uec, u32 maccfg2; if (!uec) { - printf("%s: uec not initial\n", __FUNCTION__); + printf("%s: uec not initial\n", __func__); return -EINVAL; } @@ -329,66 +327,62 @@ static int uec_set_mac_if_mode(uec_private_t *uec, upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM); switch (speed) { - case SPEED_10: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - switch (enet_if_mode) { - case PHY_INTERFACE_MODE_MII: - break; - case PHY_INTERFACE_MODE_RGMII: - upsmr |= (UPSMR_RPM | UPSMR_R10M); - break; - case PHY_INTERFACE_MODE_RMII: - upsmr |= (UPSMR_R10M | UPSMR_RMM); - break; - default: - return -EINVAL; - break; - } + case SPEED_10: + maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_MII: break; - case SPEED_100: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - switch (enet_if_mode) { - case PHY_INTERFACE_MODE_MII: - break; - case PHY_INTERFACE_MODE_RGMII: - upsmr |= UPSMR_RPM; - break; - case PHY_INTERFACE_MODE_RMII: - upsmr |= UPSMR_RMM; - break; - default: - return -EINVAL; - break; - } + case PHY_INTERFACE_MODE_RGMII: + upsmr |= (UPSMR_RPM | UPSMR_R10M); break; - case SPEED_1000: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - switch (enet_if_mode) { - case PHY_INTERFACE_MODE_GMII: - break; - case PHY_INTERFACE_MODE_TBI: - upsmr |= UPSMR_TBIM; - break; - case PHY_INTERFACE_MODE_RTBI: - upsmr |= (UPSMR_RPM | UPSMR_TBIM); - break; - case PHY_INTERFACE_MODE_RGMII_RXID: - case PHY_INTERFACE_MODE_RGMII_TXID: - case PHY_INTERFACE_MODE_RGMII_ID: - case PHY_INTERFACE_MODE_RGMII: - upsmr |= UPSMR_RPM; - break; - case PHY_INTERFACE_MODE_SGMII: - upsmr |= UPSMR_SGMM; - break; - default: - return -EINVAL; - break; - } + case PHY_INTERFACE_MODE_RMII: + upsmr |= (UPSMR_R10M | UPSMR_RMM); break; default: return -EINVAL; + } + break; + case SPEED_100: + maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_MII: + break; + case PHY_INTERFACE_MODE_RGMII: + upsmr |= UPSMR_RPM; + break; + case PHY_INTERFACE_MODE_RMII: + upsmr |= UPSMR_RMM; + break; + default: + return -EINVAL; + } + break; + case SPEED_1000: + maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; + switch (enet_if_mode) { + case PHY_INTERFACE_MODE_GMII: + break; + case PHY_INTERFACE_MODE_TBI: + upsmr |= UPSMR_TBIM; + break; + case PHY_INTERFACE_MODE_RTBI: + upsmr |= (UPSMR_RPM | UPSMR_TBIM); + break; + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII: + upsmr |= UPSMR_RPM; break; + case PHY_INTERFACE_MODE_SGMII: + upsmr |= UPSMR_SGMM; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; } out_be32(&uec_regs->maccfg2, maccfg2); @@ -407,9 +401,10 @@ static int init_mii_management_configuration(uec_mii_t *uec_mii_regs) out_be32(&uec_mii_regs->miimcfg, miimcfg); /* Wait until the bus is free */ - while ((in_be32(&uec_mii_regs->miimcfg) & MIIMIND_BUSY) && timeout--); + while ((in_be32(&uec_mii_regs->miimcfg) & MIIMIND_BUSY) && timeout--) + ; if (timeout <= 0) { - printf("%s: The MII Bus is stuck!", __FUNCTION__); + printf("%s: The MII Bus is stuck!", __func__); return -ETIMEDOUT; } @@ -418,13 +413,13 @@ static int init_mii_management_configuration(uec_mii_t *uec_mii_regs) static int init_phy(struct eth_device *dev) { - uec_private_t *uec; + struct uec_priv *uec; uec_mii_t *umii_regs; struct uec_mii_info *mii_info; struct phy_info *curphy; int err; - uec = (uec_private_t *)dev->priv; + uec = (struct uec_priv *)dev->priv; umii_regs = uec->uec_mii_regs; uec->oldlink = 0; @@ -438,11 +433,10 @@ static int init_phy(struct eth_device *dev) } memset(mii_info, 0, sizeof(*mii_info)); - if (uec->uec_info->uf_info.eth_type == GIGA_ETH) { + if (uec->uec_info->uf_info.eth_type == GIGA_ETH) mii_info->speed = SPEED_1000; - } else { + else mii_info->speed = SPEED_100; - } mii_info->duplex = DUPLEX_FULL; mii_info->pause = 0; @@ -498,15 +492,14 @@ bus_fail: static void adjust_link(struct eth_device *dev) { - uec_private_t *uec = (uec_private_t *)dev->priv; + struct uec_priv *uec = (struct uec_priv *)dev->priv; struct uec_mii_info *mii_info = uec->mii_info; - extern void change_phy_interface_mode(struct eth_device *dev, - phy_interface_t mode, int speed); - if (mii_info->link) { - /* Now we make sure that we can be in full duplex mode. - * If not, we operate in half-duplex mode. */ + /* + * Now we make sure that we can be in full duplex mode. + * If not, we operate in half-duplex mode. + */ if (mii_info->duplex != uec->oldduplex) { if (!(mii_info->duplex)) { uec_set_mac_duplex(uec, DUPLEX_HALF); @@ -526,16 +519,16 @@ static void adjust_link(struct eth_device *dev) case SPEED_1000: break; case SPEED_100: - printf ("switching to rgmii 100\n"); + printf("switching to rgmii 100\n"); mode = PHY_INTERFACE_MODE_RGMII; break; case SPEED_10: - printf ("switching to rgmii 10\n"); + printf("switching to rgmii 10\n"); mode = PHY_INTERFACE_MODE_RGMII; break; default: printf("%s: Ack,Speed(%d)is illegal\n", - dev->name, mii_info->speed); + dev->name, mii_info->speed); break; } } @@ -566,12 +559,12 @@ static void adjust_link(struct eth_device *dev) static void phy_change(struct eth_device *dev) { - uec_private_t *uec = (uec_private_t *)dev->priv; + struct uec_priv *uec = (struct uec_priv *)dev->priv; #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025) ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - /* QE9 and QE12 need to be set for enabling QE MII managment signals */ + /* QE9 and QE12 need to be set for enabling QE MII management signals */ setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); #endif @@ -604,14 +597,14 @@ static int uec_miiphy_find_dev_by_name(const char *devname) int i; for (i = 0; i < MAXCONTROLLERS; i++) { - if (strncmp(devname, devlist[i]->name, strlen(devname)) == 0) { + if (strncmp(devname, devlist[i]->name, strlen(devname)) == 0) break; - } } /* If device cannot be found, returns -1 */ if (i == MAXCONTROLLERS) { - debug ("%s: device %s not found in devlist\n", __FUNCTION__, devname); + debug("%s: device %s not found in devlist\n", __func__, + devname); i = -1; } @@ -629,13 +622,12 @@ static int uec_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg) unsigned short value = 0; int devindex = 0; - if (bus->name == NULL) { - debug("%s: NULL pointer given\n", __FUNCTION__); + if (!bus->name) { + debug("%s: NULL pointer given\n", __func__); } else { devindex = uec_miiphy_find_dev_by_name(bus->name); - if (devindex >= 0) { + if (devindex >= 0) value = uec_read_phy_reg(devlist[devindex], addr, reg); - } } return value; } @@ -651,36 +643,37 @@ static int uec_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg, { int devindex = 0; - if (bus->name == NULL) { - debug("%s: NULL pointer given\n", __FUNCTION__); + if (!bus->name) { + debug("%s: NULL pointer given\n", __func__); } else { devindex = uec_miiphy_find_dev_by_name(bus->name); - if (devindex >= 0) { + if (devindex >= 0) uec_write_phy_reg(devlist[devindex], addr, reg, value); - } } return 0; } #endif -static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr) +static int uec_set_mac_address(struct uec_priv *uec, u8 *mac_addr) { uec_t *uec_regs; u32 mac_addr1; u32 mac_addr2; if (!uec) { - printf("%s: uec not initial\n", __FUNCTION__); + printf("%s: uec not initial\n", __func__); return -EINVAL; } uec_regs = uec->uec_regs; - /* if a station address of 0x12345678ABCD, perform a write to - MACSTNADDR1 of 0xCDAB7856, - MACSTNADDR2 of 0x34120000 */ + /* + * if a station address of 0x12345678ABCD, perform a write to + * MACSTNADDR1 of 0xCDAB7856, + * MACSTNADDR2 of 0x34120000 + */ - mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \ + mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | (mac_addr[3] << 8) | (mac_addr[2]); out_be32(&uec_regs->macstnaddr1, mac_addr1); @@ -690,31 +683,31 @@ static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr) return 0; } -static int uec_convert_threads_num(uec_num_of_threads_e threads_num, - int *threads_num_ret) +static int uec_convert_threads_num(enum uec_num_of_threads threads_num, + int *threads_num_ret) { int num_threads_numerica; switch (threads_num) { - case UEC_NUM_OF_THREADS_1: - num_threads_numerica = 1; - break; - case UEC_NUM_OF_THREADS_2: - num_threads_numerica = 2; - break; - case UEC_NUM_OF_THREADS_4: - num_threads_numerica = 4; - break; - case UEC_NUM_OF_THREADS_6: - num_threads_numerica = 6; - break; - case UEC_NUM_OF_THREADS_8: - num_threads_numerica = 8; - break; - default: - printf("%s: Bad number of threads value.", - __FUNCTION__); - return -EINVAL; + case UEC_NUM_OF_THREADS_1: + num_threads_numerica = 1; + break; + case UEC_NUM_OF_THREADS_2: + num_threads_numerica = 2; + break; + case UEC_NUM_OF_THREADS_4: + num_threads_numerica = 4; + break; + case UEC_NUM_OF_THREADS_6: + num_threads_numerica = 6; + break; + case UEC_NUM_OF_THREADS_8: + num_threads_numerica = 8; + break; + default: + printf("%s: Bad number of threads value.", + __func__); + return -EINVAL; } *threads_num_ret = num_threads_numerica; @@ -722,9 +715,9 @@ static int uec_convert_threads_num(uec_num_of_threads_e threads_num, return 0; } -static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx) +static void uec_init_tx_parameter(struct uec_priv *uec, int num_threads_tx) { - uec_info_t *uec_info; + struct uec_inf *uec_info; u32 end_bd; u8 bmrx = 0; int i; @@ -732,14 +725,14 @@ static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx) uec_info = uec->uec_info; /* Alloc global Tx parameter RAM page */ - uec->tx_glbl_pram_offset = qe_muram_alloc( - sizeof(uec_tx_global_pram_t), - UEC_TX_GLOBAL_PRAM_ALIGNMENT); - uec->p_tx_glbl_pram = (uec_tx_global_pram_t *) + uec->tx_glbl_pram_offset = + qe_muram_alloc(sizeof(struct uec_tx_global_pram), + UEC_TX_GLOBAL_PRAM_ALIGNMENT); + uec->p_tx_glbl_pram = (struct uec_tx_global_pram *) qe_muram_addr(uec->tx_glbl_pram_offset); /* Zero the global Tx prameter RAM */ - memset(uec->p_tx_glbl_pram, 0, sizeof(uec_tx_global_pram_t)); + memset(uec->p_tx_glbl_pram, 0, sizeof(struct uec_tx_global_pram)); /* Init global Tx parameter RAM */ @@ -747,10 +740,10 @@ static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx) out_be16(&uec->p_tx_glbl_pram->temoder, TEMODER_INIT_VALUE); /* SQPTR */ - uec->send_q_mem_reg_offset = qe_muram_alloc( - sizeof(uec_send_queue_qd_t), - UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); - uec->p_send_q_mem_reg = (uec_send_queue_mem_region_t *) + uec->send_q_mem_reg_offset = + qe_muram_alloc(sizeof(struct uec_send_queue_qd), + UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); + uec->p_send_q_mem_reg = (struct uec_send_queue_mem_region *) qe_muram_addr(uec->send_q_mem_reg_offset); out_be32(&uec->p_tx_glbl_pram->sqptr, uec->send_q_mem_reg_offset); @@ -758,9 +751,9 @@ static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx) end_bd = (u32)uec->p_tx_bd_ring + (uec_info->tx_bd_ring_len - 1) * SIZEOFBD; out_be32(&uec->p_send_q_mem_reg->sqqd[0].bd_ring_base, - (u32)(uec->p_tx_bd_ring)); + (u32)(uec->p_tx_bd_ring)); out_be32(&uec->p_send_q_mem_reg->sqqd[0].last_bd_completed_address, - end_bd); + end_bd); /* Scheduler Base Pointer, we have only one Tx queue, no need it */ out_be32(&uec->p_tx_glbl_pram->schedulerbasepointer, 0); @@ -773,54 +766,57 @@ static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx) out_be32(&uec->p_tx_glbl_pram->tstate, ((u32)(bmrx) << BMR_SHIFT)); /* IPH_Offset */ - for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) { + for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) out_8(&uec->p_tx_glbl_pram->iphoffset[i], 0); - } /* VTAG table */ - for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) { + for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) out_be32(&uec->p_tx_glbl_pram->vtagtable[i], 0); - } /* TQPTR */ - uec->thread_dat_tx_offset = qe_muram_alloc( - num_threads_tx * sizeof(uec_thread_data_tx_t) + - 32 *(num_threads_tx == 1), UEC_THREAD_DATA_ALIGNMENT); + uec->thread_dat_tx_offset = + qe_muram_alloc(num_threads_tx * + sizeof(struct uec_thread_data_tx) + + 32 * (num_threads_tx == 1), + UEC_THREAD_DATA_ALIGNMENT); - uec->p_thread_data_tx = (uec_thread_data_tx_t *) + uec->p_thread_data_tx = (struct uec_thread_data_tx *) qe_muram_addr(uec->thread_dat_tx_offset); out_be32(&uec->p_tx_glbl_pram->tqptr, uec->thread_dat_tx_offset); } -static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx) +static void uec_init_rx_parameter(struct uec_priv *uec, int num_threads_rx) { u8 bmrx = 0; int i; - uec_82xx_address_filtering_pram_t *p_af_pram; + struct uec_82xx_add_filtering_pram *p_af_pram; /* Allocate global Rx parameter RAM page */ - uec->rx_glbl_pram_offset = qe_muram_alloc( - sizeof(uec_rx_global_pram_t), UEC_RX_GLOBAL_PRAM_ALIGNMENT); - uec->p_rx_glbl_pram = (uec_rx_global_pram_t *) + uec->rx_glbl_pram_offset = + qe_muram_alloc(sizeof(struct uec_rx_global_pram), + UEC_RX_GLOBAL_PRAM_ALIGNMENT); + uec->p_rx_glbl_pram = (struct uec_rx_global_pram *) qe_muram_addr(uec->rx_glbl_pram_offset); /* Zero Global Rx parameter RAM */ - memset(uec->p_rx_glbl_pram, 0, sizeof(uec_rx_global_pram_t)); + memset(uec->p_rx_glbl_pram, 0, sizeof(struct uec_rx_global_pram)); /* Init global Rx parameter RAM */ - /* REMODER, Extended feature mode disable, VLAN disable, - LossLess flow control disable, Receive firmware statisic disable, - Extended address parsing mode disable, One Rx queues, - Dynamic maximum/minimum frame length disable, IP checksum check - disable, IP address alignment disable - */ + /* + * REMODER, Extended feature mode disable, VLAN disable, + * LossLess flow control disable, Receive firmware statisic disable, + * Extended address parsing mode disable, One Rx queues, + * Dynamic maximum/minimum frame length disable, IP checksum check + * disable, IP address alignment disable + */ out_be32(&uec->p_rx_glbl_pram->remoder, REMODER_INIT_VALUE); /* RQPTR */ - uec->thread_dat_rx_offset = qe_muram_alloc( - num_threads_rx * sizeof(uec_thread_data_rx_t), - UEC_THREAD_DATA_ALIGNMENT); - uec->p_thread_data_rx = (uec_thread_data_rx_t *) + uec->thread_dat_rx_offset = + qe_muram_alloc(num_threads_rx * + sizeof(struct uec_thread_data_rx), + UEC_THREAD_DATA_ALIGNMENT); + uec->p_thread_data_rx = (struct uec_thread_data_rx *) qe_muram_addr(uec->thread_dat_rx_offset); out_be32(&uec->p_rx_glbl_pram->rqptr, uec->thread_dat_rx_offset); @@ -841,16 +837,16 @@ static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx) out_be16(&uec->p_rx_glbl_pram->mrblr, MAX_RXBUF_LEN); /* RBDQPTR */ - uec->rx_bd_qs_tbl_offset = qe_muram_alloc( - sizeof(uec_rx_bd_queues_entry_t) + \ - sizeof(uec_rx_prefetched_bds_t), - UEC_RX_BD_QUEUES_ALIGNMENT); - uec->p_rx_bd_qs_tbl = (uec_rx_bd_queues_entry_t *) + uec->rx_bd_qs_tbl_offset = + qe_muram_alloc(sizeof(struct uec_rx_bd_queues_entry) + + sizeof(struct uec_rx_pref_bds), + UEC_RX_BD_QUEUES_ALIGNMENT); + uec->p_rx_bd_qs_tbl = (struct uec_rx_bd_queues_entry *) qe_muram_addr(uec->rx_bd_qs_tbl_offset); /* Zero it */ - memset(uec->p_rx_bd_qs_tbl, 0, sizeof(uec_rx_bd_queues_entry_t) + \ - sizeof(uec_rx_prefetched_bds_t)); + memset(uec->p_rx_bd_qs_tbl, 0, sizeof(struct uec_rx_bd_queues_entry) + + sizeof(struct uec_rx_pref_bds)); out_be32(&uec->p_rx_glbl_pram->rbdqptr, uec->rx_bd_qs_tbl_offset); out_be32(&uec->p_rx_bd_qs_tbl->externalbdbaseptr, (u32)uec->p_rx_bd_ring); @@ -868,9 +864,8 @@ static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx) /* L2QT */ out_be32(&uec->p_rx_glbl_pram->l2qt, 0); /* L3QT */ - for (i = 0; i < 8; i++) { + for (i = 0; i < 8; i++) out_be32(&uec->p_rx_glbl_pram->l3qt[i], 0); - } /* VLAN_TYPE */ out_be16(&uec->p_rx_glbl_pram->vlantype, 0x8100); @@ -878,7 +873,7 @@ static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx) out_be16(&uec->p_rx_glbl_pram->vlantci, 0); /* Clear PQ2 style address filtering hash table */ - p_af_pram = (uec_82xx_address_filtering_pram_t *) \ + p_af_pram = (struct uec_82xx_add_filtering_pram *) uec->p_rx_glbl_pram->addressfiltering; p_af_pram->iaddr_h = 0; @@ -887,30 +882,33 @@ static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx) p_af_pram->gaddr_l = 0; } -static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec, - int thread_tx, int thread_rx) +static int uec_issue_init_enet_rxtx_cmd(struct uec_priv *uec, + int thread_tx, int thread_rx) { - uec_init_cmd_pram_t *p_init_enet_param; + struct uec_init_cmd_pram *p_init_enet_param; u32 init_enet_param_offset; - uec_info_t *uec_info; + struct uec_inf *uec_info; + struct ucc_fast_inf *uf_info; int i; int snum; - u32 init_enet_offset; + u32 off; u32 entry_val; u32 command; u32 cecr_subblock; uec_info = uec->uec_info; + uf_info = &uec_info->uf_info; /* Allocate init enet command parameter */ - uec->init_enet_param_offset = qe_muram_alloc( - sizeof(uec_init_cmd_pram_t), 4); + uec->init_enet_param_offset = + qe_muram_alloc(sizeof(struct uec_init_cmd_pram), 4); init_enet_param_offset = uec->init_enet_param_offset; - uec->p_init_enet_param = (uec_init_cmd_pram_t *) + uec->p_init_enet_param = (struct uec_init_cmd_pram *) qe_muram_addr(uec->init_enet_param_offset); /* Zero init enet command struct */ - memset((void *)uec->p_init_enet_param, 0, sizeof(uec_init_cmd_pram_t)); + memset((void *)uec->p_init_enet_param, 0, + sizeof(struct uec_init_cmd_pram)); /* Init the command struct */ p_init_enet_param = uec->p_init_enet_param; @@ -932,21 +930,21 @@ static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec, /* Init Rx threads */ for (i = 0; i < (thread_rx + 1); i++) { - if ((snum = qe_get_snum()) < 0) { - printf("%s can not get snum\n", __FUNCTION__); + snum = qe_get_snum(); + if (snum < 0) { + printf("%s can not get snum\n", __func__); return -ENOMEM; } - if (i==0) { - init_enet_offset = 0; + if (i == 0) { + off = 0; } else { - init_enet_offset = qe_muram_alloc( - sizeof(uec_thread_rx_pram_t), - UEC_THREAD_RX_PRAM_ALIGNMENT); + off = qe_muram_alloc(sizeof(struct uec_thread_rx_pram), + UEC_THREAD_RX_PRAM_ALIGNMENT); } entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) | - init_enet_offset | (u32)uec_info->risc_rx; + off | (u32)uec_info->risc_rx; p_init_enet_param->rxthread[i] = entry_val; } @@ -956,16 +954,17 @@ static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec, /* Init Tx threads */ for (i = 0; i < thread_tx; i++) { - if ((snum = qe_get_snum()) < 0) { - printf("%s can not get snum\n", __FUNCTION__); + snum = qe_get_snum(); + if (snum < 0) { + printf("%s can not get snum\n", __func__); return -ENOMEM; } - init_enet_offset = qe_muram_alloc(sizeof(uec_thread_tx_pram_t), - UEC_THREAD_TX_PRAM_ALIGNMENT); + off = qe_muram_alloc(sizeof(struct uec_thread_tx_pram), + UEC_THREAD_TX_PRAM_ALIGNMENT); entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) | - init_enet_offset | (u32)uec_info->risc_tx; + off | (u32)uec_info->risc_tx; p_init_enet_param->txthread[i] = entry_val; } @@ -973,19 +972,18 @@ static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec, /* Issue QE command */ command = QE_INIT_TX_RX; - cecr_subblock = ucc_fast_get_qe_cr_subblock( - uec->uec_info->uf_info.ucc_num); - qe_issue_cmd(command, cecr_subblock, (u8) QE_CR_PROTOCOL_ETHERNET, - init_enet_param_offset); + cecr_subblock = ucc_fast_get_qe_cr_subblock(uf_info->ucc_num); + qe_issue_cmd(command, cecr_subblock, (u8)QE_CR_PROTOCOL_ETHERNET, + init_enet_param_offset); return 0; } -static int uec_startup(uec_private_t *uec) +static int uec_startup(struct uec_priv *uec) { - uec_info_t *uec_info; - ucc_fast_info_t *uf_info; - ucc_fast_private_t *uccf; + struct uec_inf *uec_info; + struct ucc_fast_inf *uf_info; + struct ucc_fast_priv *uccf; ucc_fast_t *uf_regs; uec_t *uec_regs; int num_threads_tx; @@ -993,37 +991,37 @@ static int uec_startup(uec_private_t *uec) u32 utbipar; u32 length; u32 align; - qe_bd_t *bd; + struct buffer_descriptor *bd; u8 *buf; int i; if (!uec || !uec->uec_info) { - printf("%s: uec or uec_info not initial\n", __FUNCTION__); + printf("%s: uec or uec_info not initial\n", __func__); return -EINVAL; } uec_info = uec->uec_info; - uf_info = &(uec_info->uf_info); + uf_info = &uec_info->uf_info; /* Check if Rx BD ring len is illegal */ - if ((uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN) || \ - (uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT)) { + if (uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN || + (uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT)) { printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n", - __FUNCTION__); + __func__); return -EINVAL; } /* Check if Tx BD ring len is illegal */ if (uec_info->tx_bd_ring_len < UEC_TX_BD_RING_SIZE_MIN) { printf("%s: Tx BD ring length must not be smaller than 2.\n", - __FUNCTION__); + __func__); return -EINVAL; } /* Check if MRBLR is illegal */ - if ((MAX_RXBUF_LEN == 0) || (MAX_RXBUF_LEN % UEC_MRBLR_ALIGNMENT)) { + if (MAX_RXBUF_LEN == 0 || MAX_RXBUF_LEN % UEC_MRBLR_ALIGNMENT) { printf("%s: max rx buffer length must be mutliple of 128.\n", - __FUNCTION__); + __func__); return -EINVAL; } @@ -1033,7 +1031,7 @@ static int uec_startup(uec_private_t *uec) /* Init UCC fast */ if (ucc_fast_init(uf_info, &uccf)) { - printf("%s: failed to init ucc fast\n", __FUNCTION__); + printf("%s: failed to init ucc fast\n", __func__); return -ENOMEM; } @@ -1042,13 +1040,13 @@ static int uec_startup(uec_private_t *uec) /* Convert the Tx threads number */ if (uec_convert_threads_num(uec_info->num_threads_tx, - &num_threads_tx)) { + &num_threads_tx)) { return -EINVAL; } /* Convert the Rx threads number */ if (uec_convert_threads_num(uec_info->num_threads_rx, - &num_threads_rx)) { + &num_threads_rx)) { return -EINVAL; } @@ -1070,13 +1068,14 @@ static int uec_startup(uec_private_t *uec) out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE); /* Setup MAC interface mode */ - uec_set_mac_if_mode(uec, uec_info->enet_interface_type, uec_info->speed); + uec_set_mac_if_mode(uec, uec_info->enet_interface_type, + uec_info->speed); /* Setup MII management base */ #ifndef CONFIG_eTSEC_MDIO_BUS uec->uec_mii_regs = (uec_mii_t *)(&uec_regs->miimcfg); #else - uec->uec_mii_regs = (uec_mii_t *) CONFIG_MIIM_ADDRESS; + uec->uec_mii_regs = (uec_mii_t *)CONFIG_MIIM_ADDRESS; #endif /* Setup MII master clock source */ @@ -1093,16 +1092,16 @@ static int uec_startup(uec_private_t *uec) out_be32(&uec_regs->utbipar, utbipar); /* Configure the TBI for SGMII operation */ - if ((uec->uec_info->enet_interface_type == PHY_INTERFACE_MODE_SGMII) && - (uec->uec_info->speed == SPEED_1000)) { + if (uec->uec_info->enet_interface_type == PHY_INTERFACE_MODE_SGMII && + uec->uec_info->speed == SPEED_1000) { uec_write_phy_reg(uec->dev, uec_regs->utbipar, - ENET_TBI_MII_ANA, TBIANA_SETTINGS); + ENET_TBI_MII_ANA, TBIANA_SETTINGS); uec_write_phy_reg(uec->dev, uec_regs->utbipar, - ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); + ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); uec_write_phy_reg(uec->dev, uec_regs->utbipar, - ENET_TBI_MII_CR, TBICR_SETTINGS); + ENET_TBI_MII_CR, TBICR_SETTINGS); } /* Allocate Tx BDs */ @@ -1149,29 +1148,29 @@ static int uec_startup(uec_private_t *uec) memset((void *)(uec->rx_buf_offset), 0, length + align); /* Init TxBD ring */ - bd = (qe_bd_t *)uec->p_tx_bd_ring; - uec->txBd = bd; + bd = (struct buffer_descriptor *)uec->p_tx_bd_ring; + uec->tx_bd = bd; for (i = 0; i < uec_info->tx_bd_ring_len; i++) { BD_DATA_CLEAR(bd); BD_STATUS_SET(bd, 0); BD_LENGTH_SET(bd, 0); - bd ++; + bd++; } - BD_STATUS_SET((--bd), TxBD_WRAP); + BD_STATUS_SET((--bd), TX_BD_WRAP); /* Init RxBD ring */ - bd = (qe_bd_t *)uec->p_rx_bd_ring; - uec->rxBd = bd; + bd = (struct buffer_descriptor *)uec->p_rx_bd_ring; + uec->rx_bd = bd; buf = uec->p_rx_buf; for (i = 0; i < uec_info->rx_bd_ring_len; i++) { BD_DATA_SET(bd, buf); BD_LENGTH_SET(bd, 0); - BD_STATUS_SET(bd, RxBD_EMPTY); + BD_STATUS_SET(bd, RX_BD_EMPTY); buf += MAX_RXBUF_LEN; - bd ++; + bd++; } - BD_STATUS_SET((--bd), RxBD_WRAP | RxBD_EMPTY); + BD_STATUS_SET((--bd), RX_BD_WRAP | RX_BD_EMPTY); /* Init global Tx parameter RAM */ uec_init_tx_parameter(uec, num_threads_tx); @@ -1182,29 +1181,32 @@ static int uec_startup(uec_private_t *uec) /* Init ethernet Tx and Rx parameter command */ if (uec_issue_init_enet_rxtx_cmd(uec, num_threads_tx, num_threads_rx)) { - printf("%s issue init enet cmd failed\n", __FUNCTION__); + printf("%s issue init enet cmd failed\n", __func__); return -ENOMEM; } return 0; } -static int uec_init(struct eth_device* dev, struct bd_info *bd) +static int uec_init(struct eth_device *dev, struct bd_info *bd) { - uec_private_t *uec; + struct uec_priv *uec; int err, i; struct phy_info *curphy; #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025) ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); #endif - uec = (uec_private_t *)dev->priv; + uec = (struct uec_priv *)dev->priv; - if (uec->the_first_run == 0) { + if (!uec->the_first_run) { #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025) - /* QE9 and QE12 need to be set for enabling QE MII managment signals */ - setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); - setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); + /* + * QE9 and QE12 need to be set for enabling QE MII + * management signals + */ + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); #endif err = init_phy(dev); @@ -1230,7 +1232,7 @@ static int uec_init(struct eth_device* dev, struct bd_info *bd) err = curphy->read_status(uec->mii_info); if (!(((i-- > 0) && !uec->mii_info->link) || err)) break; - udelay(100000); + mdelay(100); } while (1); #if defined(CONFIG_ARCH_P1021) || defined(CONFIG_ARCH_P1025) @@ -1248,12 +1250,11 @@ static int uec_init(struct eth_device* dev, struct bd_info *bd) /* Set up the MAC address */ if (dev->enetaddr[0] & 0x01) { printf("%s: MacAddress is multcast address\n", - __FUNCTION__); + __func__); return -1; } uec_set_mac_address(uec, dev->enetaddr); - err = uec_open(uec, COMM_DIR_RX_AND_TX); if (err) { printf("%s: cannot enable UEC device\n", dev->name); @@ -1262,30 +1263,31 @@ static int uec_init(struct eth_device* dev, struct bd_info *bd) phy_change(dev); - return (uec->mii_info->link ? 0 : -1); + return uec->mii_info->link ? 0 : -1; } -static void uec_halt(struct eth_device* dev) +static void uec_halt(struct eth_device *dev) { - uec_private_t *uec = (uec_private_t *)dev->priv; + struct uec_priv *uec = (struct uec_priv *)dev->priv; + uec_stop(uec, COMM_DIR_RX_AND_TX); } static int uec_send(struct eth_device *dev, void *buf, int len) { - uec_private_t *uec; - ucc_fast_private_t *uccf; - volatile qe_bd_t *bd; + struct uec_priv *uec; + struct ucc_fast_priv *uccf; + struct buffer_descriptor *bd; u16 status; int i; int result = 0; - uec = (uec_private_t *)dev->priv; + uec = (struct uec_priv *)dev->priv; uccf = uec->uccf; - bd = uec->txBd; + bd = uec->tx_bd; /* Find an empty TxBD */ - for (i = 0; bd->status & TxBD_READY; i++) { + for (i = 0; BD_STATUS(bd) & TX_BD_READY; i++) { if (i > 0x100000) { printf("%s: tx buffer not ready\n", dev->name); return result; @@ -1295,16 +1297,16 @@ static int uec_send(struct eth_device *dev, void *buf, int len) /* Init TxBD */ BD_DATA_SET(bd, buf); BD_LENGTH_SET(bd, len); - status = bd->status; + status = BD_STATUS(bd); status &= BD_WRAP; - status |= (TxBD_READY | TxBD_LAST); + status |= (TX_BD_READY | TX_BD_LAST); BD_STATUS_SET(bd, status); /* Tell UCC to transmit the buffer */ ucc_fast_transmit_on_demand(uccf); /* Wait for buffer to be transmitted */ - for (i = 0; bd->status & TxBD_READY; i++) { + for (i = 0; BD_STATUS(bd) & TX_BD_READY; i++) { if (i > 0x100000) { printf("%s: tx error\n", dev->name); return result; @@ -1313,25 +1315,25 @@ static int uec_send(struct eth_device *dev, void *buf, int len) /* Ok, the buffer be transimitted */ BD_ADVANCE(bd, status, uec->p_tx_bd_ring); - uec->txBd = bd; + uec->tx_bd = bd; result = 1; return result; } -static int uec_recv(struct eth_device* dev) +static int uec_recv(struct eth_device *dev) { - uec_private_t *uec = dev->priv; - volatile qe_bd_t *bd; + struct uec_priv *uec = dev->priv; + struct buffer_descriptor *bd; u16 status; u16 len; u8 *data; - bd = uec->rxBd; - status = bd->status; + bd = uec->rx_bd; + status = BD_STATUS(bd); - while (!(status & RxBD_EMPTY)) { - if (!(status & RxBD_ERROR)) { + while (!(status & RX_BD_EMPTY)) { + if (!(status & RX_BD_ERROR)) { data = BD_DATA(bd); len = BD_LENGTH(bd); net_process_received_packet(data, len); @@ -1340,20 +1342,20 @@ static int uec_recv(struct eth_device* dev) } status &= BD_CLEAN; BD_LENGTH_SET(bd, 0); - BD_STATUS_SET(bd, status | RxBD_EMPTY); + BD_STATUS_SET(bd, status | RX_BD_EMPTY); BD_ADVANCE(bd, status, uec->p_rx_bd_ring); - status = bd->status; + status = BD_STATUS(bd); } - uec->rxBd = bd; + uec->rx_bd = bd; return 1; } -int uec_initialize(struct bd_info *bis, uec_info_t *uec_info) +int uec_initialize(struct bd_info *bis, struct uec_inf *uec_info) { struct eth_device *dev; int i; - uec_private_t *uec; + struct uec_priv *uec; int err; dev = (struct eth_device *)malloc(sizeof(struct eth_device)); @@ -1362,11 +1364,11 @@ int uec_initialize(struct bd_info *bis, uec_info_t *uec_info) memset(dev, 0, sizeof(struct eth_device)); /* Allocate the UEC private struct */ - uec = (uec_private_t *)malloc(sizeof(uec_private_t)); - if (!uec) { + uec = (struct uec_priv *)malloc(sizeof(struct uec_priv)); + if (!uec) return -ENOMEM; - } - memset(uec, 0, sizeof(uec_private_t)); + + memset(uec, 0, sizeof(struct uec_priv)); /* Adjust uec_info */ #if (MAX_QE_RISC == 4) @@ -1395,13 +1397,14 @@ int uec_initialize(struct bd_info *bis, uec_info_t *uec_info) err = uec_startup(uec); if (err) { - printf("%s: Cannot configure net device, aborting.",dev->name); + printf("%s: Cannot configure net device, aborting.", dev->name); return err; } #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) int retval; struct mii_dev *mdiodev = mdio_alloc(); + if (!mdiodev) return -ENOMEM; strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN); @@ -1416,7 +1419,7 @@ int uec_initialize(struct bd_info *bis, uec_info_t *uec_info) return 1; } -int uec_eth_init(struct bd_info *bis, uec_info_t *uecs, int num) +int uec_eth_init(struct bd_info *bis, struct uec_inf *uecs, int num) { int i; @@ -1430,3 +1433,4 @@ int uec_standard_init(struct bd_info *bis) { return uec_eth_init(bis, uec_info, ARRAY_SIZE(uec_info)); } +#endif diff --git a/drivers/qe/uec.h b/drivers/qe/uec.h index 6de2ac44f8..83461c024c 100644 --- a/drivers/qe/uec.h +++ b/drivers/qe/uec.h @@ -76,8 +76,7 @@ #define MACCFG2_INIT_VALUE (MACCFG2_PREL | MACCFG2_RESERVED_1 | \ MACCFG2_LC | MACCFG2_PAD_CRC | MACCFG2_FDX) -/* UEC Event Register -*/ +/* UEC Event Register */ #define UCCE_MPD 0x80000000 #define UCCE_SCAR 0x40000000 #define UCCE_GRA 0x20000000 @@ -120,26 +119,24 @@ #define UCCE_OTHER (UCCE_SCAR | UCCE_GRA | UCCE_CBPR | UCCE_BSY | \ UCCE_RXC | UCCE_TXC | UCCE_TXE) -/* UEC TEMODR Register -*/ +/* UEC TEMODR Register */ #define TEMODER_SCHEDULER_ENABLE 0x2000 #define TEMODER_IP_CHECKSUM_GENERATE 0x0400 #define TEMODER_PERFORMANCE_OPTIMIZATION_MODE1 0x0200 #define TEMODER_RMON_STATISTICS 0x0100 -#define TEMODER_NUM_OF_QUEUES_SHIFT (15-15) +#define TEMODER_NUM_OF_QUEUES_SHIFT (15 - 15) #define TEMODER_INIT_VALUE 0xc000 -/* UEC REMODR Register -*/ +/* UEC REMODR Register */ #define REMODER_RX_RMON_STATISTICS_ENABLE 0x00001000 #define REMODER_RX_EXTENDED_FEATURES 0x80000000 -#define REMODER_VLAN_OPERATION_TAGGED_SHIFT (31-9 ) -#define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31-10) -#define REMODER_RX_QOS_MODE_SHIFT (31-15) +#define REMODER_VLAN_OPERATION_TAGGED_SHIFT (31 - 9) +#define REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT (31 - 10) +#define REMODER_RX_QOS_MODE_SHIFT (31 - 15) #define REMODER_RMON_STATISTICS 0x00001000 #define REMODER_RX_EXTENDED_FILTERING 0x00000800 -#define REMODER_NUM_OF_QUEUES_SHIFT (31-23) +#define REMODER_NUM_OF_QUEUES_SHIFT (31 - 23) #define REMODER_DYNAMIC_MAX_FRAME_LENGTH 0x00000008 #define REMODER_DYNAMIC_MIN_FRAME_LENGTH 0x00000004 #define REMODER_IP_CHECKSUM_CHECK 0x00000002 @@ -213,35 +210,31 @@ #define UESCR_SCOV_SHIFT (15 - 15) /****** Tx data struct collection ******/ -/* Tx thread data, each Tx thread has one this struct. -*/ -typedef struct uec_thread_data_tx { +/* Tx thread data, each Tx thread has one this struct. */ +struct uec_thread_data_tx { u8 res0[136]; -} __attribute__ ((packed)) uec_thread_data_tx_t; +} __packed; -/* Tx thread parameter, each Tx thread has one this struct. -*/ -typedef struct uec_thread_tx_pram { +/* Tx thread parameter, each Tx thread has one this struct. */ +struct uec_thread_tx_pram { u8 res0[64]; -} __attribute__ ((packed)) uec_thread_tx_pram_t; +} __packed; -/* Send queue queue-descriptor, each Tx queue has one this QD -*/ -typedef struct uec_send_queue_qd { +/* Send queue queue-descriptor, each Tx queue has one this QD */ +struct uec_send_queue_qd { u32 bd_ring_base; /* pointer to BD ring base address */ u8 res0[0x8]; u32 last_bd_completed_address; /* last entry in BD ring */ u8 res1[0x30]; -} __attribute__ ((packed)) uec_send_queue_qd_t; +} __packed; /* Send queue memory region */ -typedef struct uec_send_queue_mem_region { - uec_send_queue_qd_t sqqd[MAX_TX_QUEUES]; -} __attribute__ ((packed)) uec_send_queue_mem_region_t; +struct uec_send_queue_mem_region { + struct uec_send_queue_qd sqqd[MAX_TX_QUEUES]; +} __packed; -/* Scheduler struct -*/ -typedef struct uec_scheduler { +/* Scheduler struct */ +struct uec_scheduler { u16 cpucount0; /* CPU packet counter */ u16 cpucount1; /* CPU packet counter */ u16 cecount0; /* QE packet counter */ @@ -272,12 +265,11 @@ typedef struct uec_scheduler { u8 oldwfqmask; /* temporary variable handled by QE */ u8 weightfactor[MAX_TX_QUEUES]; /**< weight factor for queues */ u32 minw; /* temporary variable handled by QE */ - u8 res1[0x70-0x64]; -} __attribute__ ((packed)) uec_scheduler_t; + u8 res1[0x70 - 0x64]; +} __packed; -/* Tx firmware counters -*/ -typedef struct uec_tx_firmware_statistics_pram { +/* Tx firmware counters */ +struct uec_tx_firmware_statistics_pram { u32 sicoltx; /* single collision */ u32 mulcoltx; /* multiple collision */ u32 latecoltxfr; /* late collision */ @@ -290,13 +282,12 @@ typedef struct uec_tx_firmware_statistics_pram { u32 txpkts512; /* total packets(including bad) 512~1023B */ u32 txpkts1024; /* total packets(including bad) 1024~1518B */ u32 txpktsjumbo; /* total packets(including bad) >1024 */ -} __attribute__ ((packed)) uec_tx_firmware_statistics_pram_t; +} __packed; -/* Tx global parameter table -*/ -typedef struct uec_tx_global_pram { +/* Tx global parameter table */ +struct uec_tx_global_pram { u16 temoder; - u8 res0[0x38-0x02]; + u8 res0[0x38 - 0x02]; u32 sqptr; u32 schedulerbasepointer; u32 txrmonbaseptr; @@ -304,26 +295,22 @@ typedef struct uec_tx_global_pram { u8 iphoffset[MAX_IPH_OFFSET_ENTRY]; u32 vtagtable[0x8]; u32 tqptr; - u8 res2[0x80-0x74]; -} __attribute__ ((packed)) uec_tx_global_pram_t; - + u8 res2[0x80 - 0x74]; +} __packed; /****** Rx data struct collection ******/ -/* Rx thread data, each Rx thread has one this struct. -*/ -typedef struct uec_thread_data_rx { +/* Rx thread data, each Rx thread has one this struct. */ +struct uec_thread_data_rx { u8 res0[40]; -} __attribute__ ((packed)) uec_thread_data_rx_t; +} __packed; -/* Rx thread parameter, each Rx thread has one this struct. -*/ -typedef struct uec_thread_rx_pram { +/* Rx thread parameter, each Rx thread has one this struct. */ +struct uec_thread_rx_pram { u8 res0[128]; -} __attribute__ ((packed)) uec_thread_rx_pram_t; +} __packed; -/* Rx firmware counters -*/ -typedef struct uec_rx_firmware_statistics_pram { +/* Rx firmware counters */ +struct uec_rx_firmware_statistics_pram { u32 frrxfcser; /* frames with crc error */ u32 fraligner; /* frames with alignment error */ u32 inrangelenrxer; /* in range length error */ @@ -346,44 +333,41 @@ typedef struct uec_rx_firmware_statistics_pram { u32 removevlan; u32 replacevlan; u32 insertvlan; -} __attribute__ ((packed)) uec_rx_firmware_statistics_pram_t; +} __packed; -/* Rx interrupt coalescing entry, each Rx queue has one this entry. -*/ -typedef struct uec_rx_interrupt_coalescing_entry { +/* Rx interrupt coalescing entry, each Rx queue has one this entry. */ +struct uec_rx_interrupt_coalescing_entry { u32 maxvalue; u32 counter; -} __attribute__ ((packed)) uec_rx_interrupt_coalescing_entry_t; +} __packed; -typedef struct uec_rx_interrupt_coalescing_table { - uec_rx_interrupt_coalescing_entry_t entry[MAX_RX_QUEUES]; -} __attribute__ ((packed)) uec_rx_interrupt_coalescing_table_t; +struct uec_rx_interrupt_coalescing_table { + struct uec_rx_interrupt_coalescing_entry entry[MAX_RX_QUEUES]; +} __packed; -/* RxBD queue entry, each Rx queue has one this entry. -*/ -typedef struct uec_rx_bd_queues_entry { +/* RxBD queue entry, each Rx queue has one this entry. */ +struct uec_rx_bd_queues_entry { u32 bdbaseptr; /* BD base pointer */ u32 bdptr; /* BD pointer */ u32 externalbdbaseptr; /* external BD base pointer */ u32 externalbdptr; /* external BD pointer */ -} __attribute__ ((packed)) uec_rx_bd_queues_entry_t; +} __packed; -/* Rx global paramter table -*/ -typedef struct uec_rx_global_pram { +/* Rx global parameter table */ +struct uec_rx_global_pram { u32 remoder; /* ethernet mode reg. */ u32 rqptr; /* base pointer to the Rx Queues */ u32 res0[0x1]; - u8 res1[0x20-0xC]; + u8 res1[0x20 - 0xc]; u16 typeorlen; u8 res2[0x1]; u8 rxgstpack; /* ack on GRACEFUL STOP RX command */ u32 rxrmonbaseptr; /* Rx RMON statistics base */ - u8 res3[0x30-0x28]; + u8 res3[0x30 - 0x28]; u32 intcoalescingptr; /* Interrupt coalescing table pointer */ - u8 res4[0x36-0x34]; + u8 res4[0x36 - 0x34]; u8 rstate; - u8 res5[0x46-0x37]; + u8 res5[0x46 - 0x37]; u16 mrblr; /* max receive buffer length reg. */ u32 rbdqptr; /* RxBD parameter table description */ u16 mflr; /* max frame length reg. */ @@ -396,17 +380,15 @@ typedef struct uec_rx_global_pram { u16 vlantype; /* vlan type */ u16 vlantci; /* default vlan tci */ u8 addressfiltering[64];/* address filtering data structure */ - u32 exfGlobalParam; /* extended filtering global parameters */ - u8 res6[0x100-0xC4]; /* Initialize to zero */ -} __attribute__ ((packed)) uec_rx_global_pram_t; + u32 exf_global_param; /* extended filtering global parameters */ + u8 res6[0x100 - 0xc4]; /* Initialize to zero */ +} __packed; #define GRACEFUL_STOP_ACKNOWLEDGE_RX 0x01 - /****** UEC common ******/ -/* UCC statistics - hardware counters -*/ -typedef struct uec_hardware_statistics { +/* UCC statistics - hardware counters */ +struct uec_hardware_statistics { u32 tx64; u32 tx127; u32 tx255; @@ -422,11 +404,10 @@ typedef struct uec_hardware_statistics { u32 rbyt; u32 rmca; u32 rbca; -} __attribute__ ((packed)) uec_hardware_statistics_t; +} __packed; -/* InitEnet command parameter -*/ -typedef struct uec_init_cmd_pram { +/* InitEnet command parameter */ +struct uec_init_cmd_pram { u8 resinit0; u8 resinit1; u8 resinit2; @@ -440,7 +421,7 @@ typedef struct uec_init_cmd_pram { u32 txglobal; /* tx global */ u32 txthread[MAX_ENET_INIT_PARAM_ENTRIES_TX]; /* tx threads */ u8 res3[0x1]; -} __attribute__ ((packed)) uec_init_cmd_pram_t; +} __packed; #define ENET_INIT_PARAM_RGF_SHIFT (32 - 4) #define ENET_INIT_PARAM_TGF_SHIFT (32 - 8) @@ -456,105 +437,96 @@ typedef struct uec_init_cmd_pram { #define ENET_INIT_PARAM_MAGIC_RES_INIT3 0x00 #define ENET_INIT_PARAM_MAGIC_RES_INIT4 0x0400 -/* structure representing 82xx Address Filtering Enet Address in PRAM -*/ -typedef struct uec_82xx_enet_address { +/* structure representing 82xx Address Filtering Enet Address in PRAM */ +struct uec_82xx_enet_addr { u8 res1[0x2]; u16 h; /* address (MSB) */ u16 m; /* address */ u16 l; /* address (LSB) */ -} __attribute__ ((packed)) uec_82xx_enet_address_t; +} __packed; -/* structure representing 82xx Address Filtering PRAM -*/ -typedef struct uec_82xx_address_filtering_pram { +/* structure representing 82xx Address Filtering PRAM */ +struct uec_82xx_add_filtering_pram { u32 iaddr_h; /* individual address filter, high */ u32 iaddr_l; /* individual address filter, low */ u32 gaddr_h; /* group address filter, high */ u32 gaddr_l; /* group address filter, low */ - uec_82xx_enet_address_t taddr; - uec_82xx_enet_address_t paddr[4]; - u8 res0[0x40-0x38]; -} __attribute__ ((packed)) uec_82xx_address_filtering_pram_t; - -/* Buffer Descriptor -*/ -typedef struct buffer_descriptor { + struct uec_82xx_enet_addr taddr; + struct uec_82xx_enet_addr paddr[4]; + u8 res0[0x40 - 0x38]; +} __packed; + +/* Buffer Descriptor */ +struct buffer_descriptor { u16 status; u16 len; u32 data; -} __attribute__ ((packed)) qe_bd_t, *p_bd_t; +} __packed; -#define SIZEOFBD sizeof(qe_bd_t) +#define SIZEOFBD sizeof(struct buffer_descriptor) -/* Common BD flags -*/ +/* Common BD flags */ #define BD_WRAP 0x2000 #define BD_INT 0x1000 #define BD_LAST 0x0800 #define BD_CLEAN 0x3000 -/* TxBD status flags -*/ -#define TxBD_READY 0x8000 -#define TxBD_PADCRC 0x4000 -#define TxBD_WRAP BD_WRAP -#define TxBD_INT BD_INT -#define TxBD_LAST BD_LAST -#define TxBD_TXCRC 0x0400 -#define TxBD_DEF 0x0200 -#define TxBD_PP 0x0100 -#define TxBD_LC 0x0080 -#define TxBD_RL 0x0040 -#define TxBD_RC 0x003C -#define TxBD_UNDERRUN 0x0002 -#define TxBD_TRUNC 0x0001 - -#define TxBD_ERROR (TxBD_UNDERRUN | TxBD_TRUNC) - -/* RxBD status flags -*/ -#define RxBD_EMPTY 0x8000 -#define RxBD_OWNER 0x4000 -#define RxBD_WRAP BD_WRAP -#define RxBD_INT BD_INT -#define RxBD_LAST BD_LAST -#define RxBD_FIRST 0x0400 -#define RxBD_CMR 0x0200 -#define RxBD_MISS 0x0100 -#define RxBD_BCAST 0x0080 -#define RxBD_MCAST 0x0040 -#define RxBD_LG 0x0020 -#define RxBD_NO 0x0010 -#define RxBD_SHORT 0x0008 -#define RxBD_CRCERR 0x0004 -#define RxBD_OVERRUN 0x0002 -#define RxBD_IPCH 0x0001 - -#define RxBD_ERROR (RxBD_LG | RxBD_NO | RxBD_SHORT | \ - RxBD_CRCERR | RxBD_OVERRUN) - -/* BD access macros -*/ -#define BD_STATUS(_bd) (((p_bd_t)(_bd))->status) -#define BD_STATUS_SET(_bd, _val) (((p_bd_t)(_bd))->status = _val) -#define BD_LENGTH(_bd) (((p_bd_t)(_bd))->len) -#define BD_LENGTH_SET(_bd, _val) (((p_bd_t)(_bd))->len = _val) -#define BD_DATA_CLEAR(_bd) (((p_bd_t)(_bd))->data = 0) -#define BD_IS_DATA(_bd) (((p_bd_t)(_bd))->data) -#define BD_DATA(_bd) ((u8 *)(((p_bd_t)(_bd))->data)) -#define BD_DATA_SET(_bd, _data) (((p_bd_t)(_bd))->data = (u32)(_data)) -#define BD_ADVANCE(_bd,_status,_base) \ - (((_status) & BD_WRAP) ? (_bd) = ((p_bd_t)(_base)) : ++(_bd)) - -/* Rx Prefetched BDs -*/ -typedef struct uec_rx_prefetched_bds { - qe_bd_t bd[MAX_PREFETCHED_BDS]; /* prefetched bd */ -} __attribute__ ((packed)) uec_rx_prefetched_bds_t; - -/* Alignments - */ +/* TxBD status flags */ +#define TX_BD_READY 0x8000 +#define TX_BD_PADCRC 0x4000 +#define TX_BD_WRAP BD_WRAP +#define TX_BD_INT BD_INT +#define TX_BD_LAST BD_LAST +#define TX_BD_TXCRC 0x0400 +#define TX_BD_DEF 0x0200 +#define TX_BD_PP 0x0100 +#define TX_BD_LC 0x0080 +#define TX_BD_RL 0x0040 +#define TX_BD_RC 0x003C +#define TX_BD_UNDERRUN 0x0002 +#define TX_BD_TRUNC 0x0001 + +#define TX_BD_ERROR (TX_BD_UNDERRUN | TX_BD_TRUNC) + +/* RxBD status flags */ +#define RX_BD_EMPTY 0x8000 +#define RX_BD_OWNER 0x4000 +#define RX_BD_WRAP BD_WRAP +#define RX_BD_INT BD_INT +#define RX_BD_LAST BD_LAST +#define RX_BD_FIRST 0x0400 +#define RX_BD_CMR 0x0200 +#define RX_BD_MISS 0x0100 +#define RX_BD_BCAST 0x0080 +#define RX_BD_MCAST 0x0040 +#define RX_BD_LG 0x0020 +#define RX_BD_NO 0x0010 +#define RX_BD_SHORT 0x0008 +#define RX_BD_CRCERR 0x0004 +#define RX_BD_OVERRUN 0x0002 +#define RX_BD_IPCH 0x0001 + +#define RX_BD_ERROR (RX_BD_LG | RX_BD_NO | RX_BD_SHORT | \ + RX_BD_CRCERR | RX_BD_OVERRUN) + +/* BD access macros */ +#define BD_STATUS(_bd) (in_be16(&((_bd)->status))) +#define BD_STATUS_SET(_bd, _v) (out_be16(&((_bd)->status), _v)) +#define BD_LENGTH(_bd) (in_be16(&((_bd)->len))) +#define BD_LENGTH_SET(_bd, _v) (out_be16(&((_bd)->len), _v)) +#define BD_DATA_CLEAR(_bd) (out_be32(&((_bd)->data), 0)) +#define BD_DATA(_bd) ((u8 *)(((_bd)->data))) +#define BD_DATA_SET(_bd, _data) (out_be32(&((_bd)->data), (u32)_data)) +#define BD_ADVANCE(_bd, _status, _base) \ + (((_status) & BD_WRAP) ? (_bd) = \ + ((struct buffer_descriptor *)(_base)) : ++(_bd)) + +/* Rx Prefetched BDs */ +struct uec_rx_pref_bds { + struct buffer_descriptor bd[MAX_PREFETCHED_BDS]; /* prefetched bd */ +} __packed; + +/* Alignments */ #define UEC_RX_GLOBAL_PRAM_ALIGNMENT 64 #define UEC_TX_GLOBAL_PRAM_ALIGNMENT 64 #define UEC_THREAD_RX_PRAM_ALIGNMENT 128 @@ -581,25 +553,8 @@ typedef struct uec_rx_prefetched_bds { #define UEC_RX_BD_RING_SIZE_MIN 8 #define UEC_TX_BD_RING_SIZE_MIN 2 -/* Ethernet speed -*/ -typedef enum enet_speed { - ENET_SPEED_10BT, /* 10 Base T */ - ENET_SPEED_100BT, /* 100 Base T */ - ENET_SPEED_1000BT /* 1000 Base T */ -} enet_speed_e; - -/* Ethernet Address Type. -*/ -typedef enum enet_addr_type { - ENET_ADDR_TYPE_INDIVIDUAL, - ENET_ADDR_TYPE_GROUP, - ENET_ADDR_TYPE_BROADCAST -} enet_addr_type_e; - -/* TBI / MII Set Register -*/ -typedef enum enet_tbi_mii_reg { +/* TBI / MII Set Register */ +enum enet_tbi_mii_reg { ENET_TBI_MII_CR = 0x00, ENET_TBI_MII_SR = 0x01, ENET_TBI_MII_ANA = 0x04, @@ -610,7 +565,7 @@ typedef enum enet_tbi_mii_reg { ENET_TBI_MII_EXST = 0x0F, ENET_TBI_MII_JD = 0x10, ENET_TBI_MII_TBICON = 0x11 -} enet_tbi_mii_reg_e; +}; /* TBI MDIO register bit fields*/ #define TBICON_CLK_SELECT 0x0020 @@ -637,18 +592,16 @@ typedef enum enet_tbi_mii_reg { | TBICR_SPEED1_SET \ ) -/* UEC number of threads -*/ -typedef enum uec_num_of_threads { +/* UEC number of threads */ +enum uec_num_of_threads { UEC_NUM_OF_THREADS_1 = 0x1, /* 1 */ UEC_NUM_OF_THREADS_2 = 0x2, /* 2 */ UEC_NUM_OF_THREADS_4 = 0x0, /* 4 */ UEC_NUM_OF_THREADS_6 = 0x3, /* 6 */ UEC_NUM_OF_THREADS_8 = 0x4 /* 8 */ -} uec_num_of_threads_e; +}; -/* UEC initialization info struct -*/ +/* UEC initialization info struct */ #define STD_UEC_INFO(num) \ { \ .uf_info = { \ @@ -668,10 +621,10 @@ typedef enum uec_num_of_threads { .speed = CONFIG_SYS_UEC##num##_INTERFACE_SPEED, \ } -typedef struct uec_info { - ucc_fast_info_t uf_info; - uec_num_of_threads_e num_threads_tx; - uec_num_of_threads_e num_threads_rx; +struct uec_inf { + struct ucc_fast_inf uf_info; + enum uec_num_of_threads num_threads_tx; + enum uec_num_of_threads num_threads_rx; unsigned int risc_tx; unsigned int risc_rx; u16 rx_bd_ring_len; @@ -679,39 +632,37 @@ typedef struct uec_info { u8 phy_address; phy_interface_t enet_interface_type; int speed; -} uec_info_t; +}; -/* UEC driver initialized info -*/ +/* UEC driver initialized info */ #define MAX_RXBUF_LEN 1536 #define MAX_FRAME_LEN 1518 #define MIN_FRAME_LEN 64 #define MAX_DMA1_LEN 1520 #define MAX_DMA2_LEN 1520 -/* UEC driver private struct -*/ -typedef struct uec_private { - uec_info_t *uec_info; - ucc_fast_private_t *uccf; +/* UEC driver private struct */ +struct uec_priv { + struct uec_inf *uec_info; + struct ucc_fast_priv *uccf; struct eth_device *dev; uec_t *uec_regs; uec_mii_t *uec_mii_regs; /* enet init command parameter */ - uec_init_cmd_pram_t *p_init_enet_param; + struct uec_init_cmd_pram *p_init_enet_param; u32 init_enet_param_offset; - /* Rx and Tx paramter */ - uec_rx_global_pram_t *p_rx_glbl_pram; + /* Rx and Tx parameter */ + struct uec_rx_global_pram *p_rx_glbl_pram; u32 rx_glbl_pram_offset; - uec_tx_global_pram_t *p_tx_glbl_pram; + struct uec_tx_global_pram *p_tx_glbl_pram; u32 tx_glbl_pram_offset; - uec_send_queue_mem_region_t *p_send_q_mem_reg; + struct uec_send_queue_mem_region *p_send_q_mem_reg; u32 send_q_mem_reg_offset; - uec_thread_data_tx_t *p_thread_data_tx; + struct uec_thread_data_tx *p_thread_data_tx; u32 thread_dat_tx_offset; - uec_thread_data_rx_t *p_thread_data_rx; + struct uec_thread_data_rx *p_thread_data_rx; u32 thread_dat_rx_offset; - uec_rx_bd_queues_entry_t *p_rx_bd_qs_tbl; + struct uec_rx_bd_queues_entry *p_rx_bd_qs_tbl; u32 rx_bd_qs_tbl_offset; /* BDs specific */ u8 *p_tx_bd_ring; @@ -720,8 +671,8 @@ typedef struct uec_private { u32 rx_bd_ring_offset; u8 *p_rx_buf; u32 rx_buf_offset; - volatile qe_bd_t *txBd; - volatile qe_bd_t *rxBd; + struct buffer_descriptor *tx_bd; + struct buffer_descriptor *rx_bd; /* Status */ int mac_tx_enabled; int mac_rx_enabled; @@ -733,9 +684,9 @@ typedef struct uec_private { int oldspeed; int oldduplex; int oldlink; -} uec_private_t; +}; -int uec_initialize(struct bd_info *bis, uec_info_t *uec_info); -int uec_eth_init(struct bd_info *bis, uec_info_t *uecs, int num); +int uec_initialize(struct bd_info *bis, struct uec_inf *uec_info); +int uec_eth_init(struct bd_info *bis, struct uec_inf *uecs, int num); int uec_standard_init(struct bd_info *bis); #endif /* __UEC_H__ */ diff --git a/drivers/qe/uec_phy.c b/drivers/qe/uec_phy.c index 69c22dd5e2..9d429c832f 100644 --- a/drivers/qe/uec_phy.c +++ b/drivers/qe/uec_phy.c @@ -23,17 +23,19 @@ #include <fsl_qe.h> #include <phy.h> +#if !defined(CONFIG_DM_ETH) + #define ugphy_printk(format, arg...) \ printf(format "\n", ## arg) #define ugphy_dbg(format, arg...) \ - ugphy_printk(format , ## arg) + ugphy_printk(format, ## arg) #define ugphy_err(format, arg...) \ - ugphy_printk(format , ## arg) + ugphy_printk(format, ## arg) #define ugphy_info(format, arg...) \ - ugphy_printk(format , ## arg) + ugphy_printk(format, ## arg) #define ugphy_warn(format, arg...) \ - ugphy_printk(format , ## arg) + ugphy_printk(format, ## arg) #ifdef UEC_VERBOSE_DEBUG #define ugphy_vdbg ugphy_dbg @@ -41,13 +43,13 @@ #define ugphy_vdbg(ugeth, fmt, args...) do { } while (0) #endif /* UEC_VERBOSE_DEBUG */ -/*--------------------------------------------------------------------+ +/* + * -------------------------------------------------------------------- * Fixed PHY (PHY-less) support for Ethernet Ports. * * Copied from arch/powerpc/cpu/ppc4xx/4xx_enet.c - *--------------------------------------------------------------------*/ - -/* + *-------------------------------------------------------------------- + * * Some boards do not have a PHY for each ethernet port. These ports are known * as Fixed PHY (or PHY-less) ports. For such ports, set the appropriate * CONFIG_SYS_UECx_PHY_ADDR equal to CONFIG_FIXED_PHY_ADDR (an unused address) @@ -90,54 +92,58 @@ static const struct fixed_phy_port fixed_phy_port[] = { CONFIG_SYS_FIXED_PHY_PORTS /* defined in board configuration file */ }; -/*--------------------------------------------------------------------+ +/* + * ------------------------------------------------------------------- * BitBang MII support for ethernet ports * * Based from MPC8560ADS implementation - *--------------------------------------------------------------------*/ -/* + *-------------------------------------------------------------------- + * * Example board header file to define bitbang ethernet ports: * * #define CONFIG_SYS_BITBANG_PHY_PORT(name) name, * #define CONFIG_SYS_BITBANG_PHY_PORTS CONFIG_SYS_BITBANG_PHY_PORT("UEC0") -*/ + */ #ifndef CONFIG_SYS_BITBANG_PHY_PORTS #define CONFIG_SYS_BITBANG_PHY_PORTS /* default is an empty array */ #endif #if defined(CONFIG_BITBANGMII) -static const char *bitbang_phy_port[] = { +static const char * const bitbang_phy_port[] = { CONFIG_SYS_BITBANG_PHY_PORTS /* defined in board configuration file */ }; #endif /* CONFIG_BITBANGMII */ -static void config_genmii_advert (struct uec_mii_info *mii_info); -static void genmii_setup_forced (struct uec_mii_info *mii_info); -static void genmii_restart_aneg (struct uec_mii_info *mii_info); -static int gbit_config_aneg (struct uec_mii_info *mii_info); -static int genmii_config_aneg (struct uec_mii_info *mii_info); -static int genmii_update_link (struct uec_mii_info *mii_info); -static int genmii_read_status (struct uec_mii_info *mii_info); -u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum); -void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val); - -/* Write value to the PHY for this device to the register at regnum, */ -/* waiting until the write is done before it returns. All PHY */ -/* configuration has to be done through the TSEC1 MIIM regs */ -void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum, int value) -{ - uec_private_t *ugeth = (uec_private_t *) dev->priv; +static void config_genmii_advert(struct uec_mii_info *mii_info); +static void genmii_setup_forced(struct uec_mii_info *mii_info); +static void genmii_restart_aneg(struct uec_mii_info *mii_info); +static int gbit_config_aneg(struct uec_mii_info *mii_info); +static int genmii_config_aneg(struct uec_mii_info *mii_info); +static int genmii_update_link(struct uec_mii_info *mii_info); +static int genmii_read_status(struct uec_mii_info *mii_info); +static u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum); +static void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, + u16 val); + +/* + * Write value to the PHY for this device to the register at regnum, + * waiting until the write is done before it returns. All PHY + * configuration has to be done through the TSEC1 MIIM regs + */ +void uec_write_phy_reg(struct eth_device *dev, int mii_id, int regnum, + int value) +{ + struct uec_priv *ugeth = (struct uec_priv *)dev->priv; uec_mii_t *ug_regs; - enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e) regnum; + enum enet_tbi_mii_reg mii_reg = (enum enet_tbi_mii_reg)regnum; u32 tmp_reg; - #if defined(CONFIG_BITBANGMII) u32 i = 0; for (i = 0; i < ARRAY_SIZE(bitbang_phy_port); i++) { if (strncmp(dev->name, bitbang_phy_port[i], - sizeof(dev->name)) == 0) { + sizeof(dev->name)) == 0) { (void)bb_miiphy_write(NULL, mii_id, regnum, value); return; } @@ -148,46 +154,48 @@ void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum, int valu /* Stop the MII management read cycle */ out_be32 (&ug_regs->miimcom, 0); - /* Setting up the MII Mangement Address Register */ - tmp_reg = ((u32) mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg; + /* Setting up the MII Management Address Register */ + tmp_reg = ((u32)mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg; out_be32 (&ug_regs->miimadd, tmp_reg); - /* Setting up the MII Mangement Control Register with the value */ - out_be32 (&ug_regs->miimcon, (u32) value); + /* Setting up the MII Management Control Register with the value */ + out_be32 (&ug_regs->miimcon, (u32)value); sync(); /* Wait till MII management write is complete */ - while ((in_be32 (&ug_regs->miimind)) & MIIMIND_BUSY); + while ((in_be32 (&ug_regs->miimind)) & MIIMIND_BUSY) + ; } -/* Reads from register regnum in the PHY for device dev, */ -/* returning the value. Clears miimcom first. All PHY */ -/* configuration has to be done through the TSEC1 MIIM regs */ -int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum) +/* + * Reads from register regnum in the PHY for device dev, + * returning the value. Clears miimcom first. All PHY + * configuration has to be done through the TSEC1 MIIM regs + */ +int uec_read_phy_reg(struct eth_device *dev, int mii_id, int regnum) { - uec_private_t *ugeth = (uec_private_t *) dev->priv; + struct uec_priv *ugeth = (struct uec_priv *)dev->priv; uec_mii_t *ug_regs; - enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e) regnum; + enum enet_tbi_mii_reg mii_reg = (enum enet_tbi_mii_reg)regnum; u32 tmp_reg; u16 value; - #if defined(CONFIG_BITBANGMII) u32 i = 0; for (i = 0; i < ARRAY_SIZE(bitbang_phy_port); i++) { if (strncmp(dev->name, bitbang_phy_port[i], - sizeof(dev->name)) == 0) { + sizeof(dev->name)) == 0) { (void)bb_miiphy_read(NULL, mii_id, regnum, &value); - return (value); + return value; } } #endif /* CONFIG_BITBANGMII */ ug_regs = ugeth->uec_mii_regs; - /* Setting up the MII Mangement Address Register */ - tmp_reg = ((u32) mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg; + /* Setting up the MII Management Address Register */ + tmp_reg = ((u32)mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg; out_be32 (&ug_regs->miimadd, tmp_reg); /* clear MII management command cycle */ @@ -199,37 +207,38 @@ int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum) /* Wait till MII management write is complete */ while ((in_be32 (&ug_regs->miimind)) & - (MIIMIND_NOT_VALID | MIIMIND_BUSY)); + (MIIMIND_NOT_VALID | MIIMIND_BUSY)) + ; /* Read MII management status */ - value = (u16) in_be32 (&ug_regs->miimstat); + value = (u16)in_be32 (&ug_regs->miimstat); if (value == 0xffff) ugphy_vdbg ("read wrong value : mii_id %d,mii_reg %d, base %08x", - mii_id, mii_reg, (u32) & (ug_regs->miimcfg)); + mii_id, mii_reg, (u32)&ug_regs->miimcfg); - return (value); + return value; } -void mii_clear_phy_interrupt (struct uec_mii_info *mii_info) +void mii_clear_phy_interrupt(struct uec_mii_info *mii_info) { if (mii_info->phyinfo->ack_interrupt) - mii_info->phyinfo->ack_interrupt (mii_info); + mii_info->phyinfo->ack_interrupt(mii_info); } -void mii_configure_phy_interrupt (struct uec_mii_info *mii_info, - u32 interrupts) +void mii_configure_phy_interrupt(struct uec_mii_info *mii_info, + u32 interrupts) { mii_info->interrupts = interrupts; if (mii_info->phyinfo->config_intr) - mii_info->phyinfo->config_intr (mii_info); + mii_info->phyinfo->config_intr(mii_info); } /* Writes MII_ADVERTISE with the appropriate values, after * sanitizing advertise to make sure only supported features * are advertised */ -static void config_genmii_advert (struct uec_mii_info *mii_info) +static void config_genmii_advert(struct uec_mii_info *mii_info) { u32 advertise; u16 adv; @@ -252,7 +261,7 @@ static void config_genmii_advert (struct uec_mii_info *mii_info) uec_phy_write(mii_info, MII_ADVERTISE, adv); } -static void genmii_setup_forced (struct uec_mii_info *mii_info) +static void genmii_setup_forced(struct uec_mii_info *mii_info) { u16 ctrl; u32 features = mii_info->phyinfo->features; @@ -283,7 +292,7 @@ static void genmii_setup_forced (struct uec_mii_info *mii_info) | SUPPORTED_10baseT_Full)) break; default: /* Unsupported speed! */ - ugphy_err ("%s: Bad speed!", mii_info->dev->name); + ugphy_err("%s: Bad speed!", mii_info->dev->name); break; } @@ -291,7 +300,7 @@ static void genmii_setup_forced (struct uec_mii_info *mii_info) } /* Enable and Restart Autonegotiation */ -static void genmii_restart_aneg (struct uec_mii_info *mii_info) +static void genmii_restart_aneg(struct uec_mii_info *mii_info) { u16 ctl; @@ -300,14 +309,14 @@ static void genmii_restart_aneg (struct uec_mii_info *mii_info) uec_phy_write(mii_info, MII_BMCR, ctl); } -static int gbit_config_aneg (struct uec_mii_info *mii_info) +static int gbit_config_aneg(struct uec_mii_info *mii_info) { u16 adv; u32 advertise; if (mii_info->autoneg) { /* Configure the ADVERTISE register */ - config_genmii_advert (mii_info); + config_genmii_advert(mii_info); advertise = mii_info->advertising; adv = uec_phy_read(mii_info, MII_CTRL1000); @@ -320,18 +329,21 @@ static int gbit_config_aneg (struct uec_mii_info *mii_info) uec_phy_write(mii_info, MII_CTRL1000, adv); /* Start/Restart aneg */ - genmii_restart_aneg (mii_info); - } else - genmii_setup_forced (mii_info); + genmii_restart_aneg(mii_info); + } else { + genmii_setup_forced(mii_info); + } return 0; } -static int marvell_config_aneg (struct uec_mii_info *mii_info) +static int marvell_config_aneg(struct uec_mii_info *mii_info) { - /* The Marvell PHY has an errata which requires + /* + * The Marvell PHY has an errata which requires * that certain registers get written in order - * to restart autonegotiation */ + * to restart autonegotiation + */ uec_phy_write(mii_info, MII_BMCR, BMCR_RESET); uec_phy_write(mii_info, 0x1d, 0x1f); @@ -340,16 +352,18 @@ static int marvell_config_aneg (struct uec_mii_info *mii_info) uec_phy_write(mii_info, 0x1e, 0); uec_phy_write(mii_info, 0x1e, 0x100); - gbit_config_aneg (mii_info); + gbit_config_aneg(mii_info); return 0; } -static int genmii_config_aneg (struct uec_mii_info *mii_info) +static int genmii_config_aneg(struct uec_mii_info *mii_info) { if (mii_info->autoneg) { - /* Speed up the common case, if link is already up, speed and - duplex match, skip auto neg as it already matches */ + /* + * Speed up the common case, if link is already up, speed and + * duplex match, skip auto neg as it already matches + */ if (!genmii_read_status(mii_info) && mii_info->link) if (mii_info->duplex == DUPLEX_FULL && mii_info->speed == SPEED_100) @@ -357,15 +371,16 @@ static int genmii_config_aneg (struct uec_mii_info *mii_info) ADVERTISED_100baseT_Full) return 0; - config_genmii_advert (mii_info); - genmii_restart_aneg (mii_info); - } else - genmii_setup_forced (mii_info); + config_genmii_advert(mii_info); + genmii_restart_aneg(mii_info); + } else { + genmii_setup_forced(mii_info); + } return 0; } -static int genmii_update_link (struct uec_mii_info *mii_info) +static int genmii_update_link(struct uec_mii_info *mii_info) { u16 status; @@ -377,8 +392,8 @@ static int genmii_update_link (struct uec_mii_info *mii_info) * (ie - we're capable and it's not done) */ status = uec_phy_read(mii_info, MII_BMSR); - if ((status & BMSR_LSTATUS) && (status & BMSR_ANEGCAPABLE) - && !(status & BMSR_ANEGCOMPLETE)) { + if ((status & BMSR_LSTATUS) && (status & BMSR_ANEGCAPABLE) && + !(status & BMSR_ANEGCOMPLETE)) { int i = 0; while (!(status & BMSR_ANEGCOMPLETE)) { @@ -405,14 +420,13 @@ static int genmii_update_link (struct uec_mii_info *mii_info) return 0; } -static int genmii_read_status (struct uec_mii_info *mii_info) +static int genmii_read_status(struct uec_mii_info *mii_info) { u16 status; int err; - /* Update the link, but return if there - * was an error */ - err = genmii_update_link (mii_info); + /* Update the link, but return if there was an error */ + err = genmii_update_link(mii_info); if (err) return err; @@ -449,13 +463,13 @@ static int genmii_read_status (struct uec_mii_info *mii_info) static int bcm_init(struct uec_mii_info *mii_info) { struct eth_device *edev = mii_info->dev; - uec_private_t *uec = edev->priv; + struct uec_priv *uec = edev->priv; gbit_config_aneg(mii_info); - if ((uec->uec_info->enet_interface_type == - PHY_INTERFACE_MODE_RGMII_RXID) && - (uec->uec_info->speed == SPEED_1000)) { + if (uec->uec_info->enet_interface_type == + PHY_INTERFACE_MODE_RGMII_RXID && + uec->uec_info->speed == SPEED_1000) { u16 val; int cnt = 50; @@ -476,18 +490,18 @@ static int bcm_init(struct uec_mii_info *mii_info) uec_phy_write(mii_info, 0x18, val); } - return 0; + return 0; } static int uec_marvell_init(struct uec_mii_info *mii_info) { struct eth_device *edev = mii_info->dev; - uec_private_t *uec = edev->priv; + struct uec_priv *uec = edev->priv; phy_interface_t iface = uec->uec_info->enet_interface_type; int speed = uec->uec_info->speed; - if ((speed == SPEED_1000) && - (iface == PHY_INTERFACE_MODE_RGMII_ID || + if (speed == SPEED_1000 && + (iface == PHY_INTERFACE_MODE_RGMII_ID || iface == PHY_INTERFACE_MODE_RGMII_RXID || iface == PHY_INTERFACE_MODE_RGMII_TXID)) { int temp; @@ -515,20 +529,21 @@ static int uec_marvell_init(struct uec_mii_info *mii_info) return 0; } -static int marvell_read_status (struct uec_mii_info *mii_info) +static int marvell_read_status(struct uec_mii_info *mii_info) { u16 status; int err; - /* Update the link, but return if there - * was an error */ - err = genmii_update_link (mii_info); + /* Update the link, but return if there was an error */ + err = genmii_update_link(mii_info); if (err) return err; - /* If the link is up, read the speed and duplex */ - /* If we aren't autonegotiating, assume speeds - * are as set */ + /* + * If the link is up, read the speed and duplex + * If we aren't autonegotiating, assume speeds + * are as set + */ if (mii_info->autoneg && mii_info->link) { int speed; @@ -559,7 +574,7 @@ static int marvell_read_status (struct uec_mii_info *mii_info) return 0; } -static int marvell_ack_interrupt (struct uec_mii_info *mii_info) +static int marvell_ack_interrupt(struct uec_mii_info *mii_info) { /* Clear the interrupts by reading the reg */ uec_phy_read(mii_info, MII_M1011_IEVENT); @@ -567,18 +582,18 @@ static int marvell_ack_interrupt (struct uec_mii_info *mii_info) return 0; } -static int marvell_config_intr (struct uec_mii_info *mii_info) +static int marvell_config_intr(struct uec_mii_info *mii_info) { if (mii_info->interrupts == MII_INTERRUPT_ENABLED) uec_phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_INIT); else uec_phy_write(mii_info, MII_M1011_IMASK, - MII_M1011_IMASK_CLEAR); + MII_M1011_IMASK_CLEAR); return 0; } -static int dm9161_init (struct uec_mii_info *mii_info) +static int dm9161_init(struct uec_mii_info *mii_info) { /* Reset the PHY */ uec_phy_write(mii_info, MII_BMCR, uec_phy_read(mii_info, MII_BMCR) | @@ -589,29 +604,31 @@ static int dm9161_init (struct uec_mii_info *mii_info) uec_phy_write(mii_info, MII_DM9161_SCR, MII_DM9161_SCR_INIT); - config_genmii_advert (mii_info); + config_genmii_advert(mii_info); /* Start/restart aneg */ - genmii_config_aneg (mii_info); + genmii_config_aneg(mii_info); return 0; } -static int dm9161_config_aneg (struct uec_mii_info *mii_info) +static int dm9161_config_aneg(struct uec_mii_info *mii_info) { return 0; } -static int dm9161_read_status (struct uec_mii_info *mii_info) +static int dm9161_read_status(struct uec_mii_info *mii_info) { u16 status; int err; /* Update the link, but return if there was an error */ - err = genmii_update_link (mii_info); + err = genmii_update_link(mii_info); if (err) return err; - /* If the link is up, read the speed and duplex - If we aren't autonegotiating assume speeds are as set */ + /* + * If the link is up, read the speed and duplex + * If we aren't autonegotiating assume speeds are as set + */ if (mii_info->autoneg && mii_info->link) { status = uec_phy_read(mii_info, MII_DM9161_SCSR); if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_100H)) @@ -628,7 +645,7 @@ static int dm9161_read_status (struct uec_mii_info *mii_info) return 0; } -static int dm9161_ack_interrupt (struct uec_mii_info *mii_info) +static int dm9161_ack_interrupt(struct uec_mii_info *mii_info) { /* Clear the interrupt by reading the reg */ uec_phy_read(mii_info, MII_DM9161_INTR); @@ -636,7 +653,7 @@ static int dm9161_ack_interrupt (struct uec_mii_info *mii_info) return 0; } -static int dm9161_config_intr (struct uec_mii_info *mii_info) +static int dm9161_config_intr(struct uec_mii_info *mii_info) { if (mii_info->interrupts == MII_INTERRUPT_ENABLED) uec_phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_INIT); @@ -646,23 +663,23 @@ static int dm9161_config_intr (struct uec_mii_info *mii_info) return 0; } -static void dm9161_close (struct uec_mii_info *mii_info) +static void dm9161_close(struct uec_mii_info *mii_info) { } -static int fixed_phy_aneg (struct uec_mii_info *mii_info) +static int fixed_phy_aneg(struct uec_mii_info *mii_info) { mii_info->autoneg = 0; /* Turn off auto negotiation for fixed phy */ return 0; } -static int fixed_phy_read_status (struct uec_mii_info *mii_info) +static int fixed_phy_read_status(struct uec_mii_info *mii_info) { int i = 0; for (i = 0; i < ARRAY_SIZE(fixed_phy_port); i++) { if (strncmp(mii_info->dev->name, fixed_phy_port[i].name, - strlen(mii_info->dev->name)) == 0) { + strlen(mii_info->dev->name)) == 0) { mii_info->speed = fixed_phy_port[i].speed; mii_info->duplex = fixed_phy_port[i].duplex; mii_info->link = 1; /* Link is always UP */ @@ -673,25 +690,26 @@ static int fixed_phy_read_status (struct uec_mii_info *mii_info) return 0; } -static int smsc_config_aneg (struct uec_mii_info *mii_info) +static int smsc_config_aneg(struct uec_mii_info *mii_info) { return 0; } -static int smsc_read_status (struct uec_mii_info *mii_info) +static int smsc_read_status(struct uec_mii_info *mii_info) { u16 status; int err; - /* Update the link, but return if there - * was an error */ - err = genmii_update_link (mii_info); + /* Update the link, but return if there was an error */ + err = genmii_update_link(mii_info); if (err) return err; - /* If the link is up, read the speed and duplex */ - /* If we aren't autonegotiating, assume speeds - * are as set */ + /* + * If the link is up, read the speed and duplex + * If we aren't autonegotiating, assume speeds + * are as set + */ if (mii_info->autoneg && mii_info->link) { int val; @@ -699,22 +717,22 @@ static int smsc_read_status (struct uec_mii_info *mii_info) val = (status & 0x1c) >> 2; switch (val) { - case 1: - mii_info->duplex = DUPLEX_HALF; - mii_info->speed = SPEED_10; - break; - case 5: - mii_info->duplex = DUPLEX_FULL; - mii_info->speed = SPEED_10; - break; - case 2: - mii_info->duplex = DUPLEX_HALF; - mii_info->speed = SPEED_100; - break; - case 6: - mii_info->duplex = DUPLEX_FULL; - mii_info->speed = SPEED_100; - break; + case 1: + mii_info->duplex = DUPLEX_HALF; + mii_info->speed = SPEED_10; + break; + case 5: + mii_info->duplex = DUPLEX_FULL; + mii_info->speed = SPEED_10; + break; + case 2: + mii_info->duplex = DUPLEX_HALF; + mii_info->speed = SPEED_100; + break; + case 6: + mii_info->duplex = DUPLEX_FULL; + mii_info->speed = SPEED_100; + break; } mii_info->pause = 0; } @@ -803,25 +821,25 @@ static struct phy_info *phy_info[] = { NULL }; -u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum) +static u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum) { - return mii_info->mdio_read (mii_info->dev, mii_info->mii_id, regnum); + return mii_info->mdio_read(mii_info->dev, mii_info->mii_id, regnum); } -void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val) +static void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val) { - mii_info->mdio_write (mii_info->dev, mii_info->mii_id, regnum, val); + mii_info->mdio_write(mii_info->dev, mii_info->mii_id, regnum, val); } /* Use the PHY ID registers to determine what type of PHY is attached * to device dev. return a struct phy_info structure describing that PHY */ -struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info) +struct phy_info *uec_get_phy_info(struct uec_mii_info *mii_info) { u16 phy_reg; u32 phy_ID; int i; - struct phy_info *theInfo = NULL; + struct phy_info *info = NULL; /* Grab the bits from PHYIR1, and put them in the upper half */ phy_reg = uec_phy_read(mii_info, MII_PHYSID1); @@ -836,30 +854,29 @@ struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info) for (i = 0; phy_info[i]; i++) if (phy_info[i]->phy_id == (phy_ID & phy_info[i]->phy_id_mask)) { - theInfo = phy_info[i]; + info = phy_info[i]; break; } /* This shouldn't happen, as we have generic PHY support */ - if (theInfo == NULL) { - ugphy_info ("UEC: PHY id %x is not supported!", phy_ID); + if (!info) { + ugphy_info("UEC: PHY id %x is not supported!", phy_ID); return NULL; - } else { - ugphy_info ("UEC: PHY is %s (%x)", theInfo->name, phy_ID); } + ugphy_info("UEC: PHY is %s (%x)", info->name, phy_ID); - return theInfo; + return info; } void marvell_phy_interface_mode(struct eth_device *dev, phy_interface_t type, - int speed) + int speed) { - uec_private_t *uec = (uec_private_t *) dev->priv; + struct uec_priv *uec = (struct uec_priv *)dev->priv; struct uec_mii_info *mii_info; u16 status; if (!uec->mii_info) { - printf ("%s: the PHY not initialized\n", __FUNCTION__); + printf("%s: the PHY not initialized\n", __func__); return; } mii_info = uec->mii_info; @@ -903,10 +920,11 @@ void marvell_phy_interface_mode(struct eth_device *dev, phy_interface_t type, /* now the B2 will correctly report autoneg completion status */ } -void change_phy_interface_mode (struct eth_device *dev, - phy_interface_t type, int speed) +void change_phy_interface_mode(struct eth_device *dev, + phy_interface_t type, int speed) { #ifdef CONFIG_PHY_MODE_NEED_CHANGE - marvell_phy_interface_mode (dev, type, speed); + marvell_phy_interface_mode(dev, type, speed); #endif } +#endif diff --git a/drivers/qe/uec_phy.h b/drivers/qe/uec_phy.h index 83a7ccd981..7fd0e2c544 100644 --- a/drivers/qe/uec_phy.h +++ b/drivers/qe/uec_phy.h @@ -11,6 +11,8 @@ #ifndef __UEC_PHY_H__ #define __UEC_PHY_H__ +#include <linux/bitops.h> + #define MII_end ((u32)-2) #define MII_read ((u32)-1) @@ -93,8 +95,8 @@ #define MII_DM9161_INTR_LINK_CHANGE 0x0004 #define MII_DM9161_INTR_INIT 0x0000 #define MII_DM9161_INTR_STOP \ -(MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \ - | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK) + (MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK | \ + MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK) /* DM9161 10BT Configuration/Status */ #define MII_DM9161_10BTCSR 0x12 @@ -125,35 +127,6 @@ #define DUPLEX_HALF 0x00 #define DUPLEX_FULL 0x01 -/* Indicates what features are supported by the interface. */ -#define SUPPORTED_10baseT_Half (1 << 0) -#define SUPPORTED_10baseT_Full (1 << 1) -#define SUPPORTED_100baseT_Half (1 << 2) -#define SUPPORTED_100baseT_Full (1 << 3) -#define SUPPORTED_1000baseT_Half (1 << 4) -#define SUPPORTED_1000baseT_Full (1 << 5) -#define SUPPORTED_Autoneg (1 << 6) -#define SUPPORTED_TP (1 << 7) -#define SUPPORTED_AUI (1 << 8) -#define SUPPORTED_MII (1 << 9) -#define SUPPORTED_FIBRE (1 << 10) -#define SUPPORTED_BNC (1 << 11) -#define SUPPORTED_10000baseT_Full (1 << 12) - -#define ADVERTISED_10baseT_Half (1 << 0) -#define ADVERTISED_10baseT_Full (1 << 1) -#define ADVERTISED_100baseT_Half (1 << 2) -#define ADVERTISED_100baseT_Full (1 << 3) -#define ADVERTISED_1000baseT_Half (1 << 4) -#define ADVERTISED_1000baseT_Full (1 << 5) -#define ADVERTISED_Autoneg (1 << 6) -#define ADVERTISED_TP (1 << 7) -#define ADVERTISED_AUI (1 << 8) -#define ADVERTISED_MII (1 << 9) -#define ADVERTISED_FIBRE (1 << 10) -#define ADVERTISED_BNC (1 << 11) -#define ADVERTISED_10000baseT_Full (1 << 12) - /* Taken from mii_if_info and sungem_phy.h */ struct uec_mii_info { /* Information about the PHY type */ @@ -184,9 +157,9 @@ struct uec_mii_info { void *priv; /* Provided by ethernet driver */ - int (*mdio_read) (struct eth_device * dev, int mii_id, int reg); - void (*mdio_write) (struct eth_device * dev, int mii_id, int reg, - int val); + int (*mdio_read)(struct eth_device *dev, int mii_id, int reg); + void (*mdio_write)(struct eth_device *dev, int mii_id, int reg, + int val); }; /* struct phy_info: a structure which defines attributes for a PHY @@ -208,32 +181,34 @@ struct phy_info { u32 features; /* Called to initialize the PHY */ - int (*init) (struct uec_mii_info * mii_info); + int (*init)(struct uec_mii_info *mii_info); /* Called to suspend the PHY for power */ - int (*suspend) (struct uec_mii_info * mii_info); + int (*suspend)(struct uec_mii_info *mii_info); /* Reconfigures autonegotiation (or disables it) */ - int (*config_aneg) (struct uec_mii_info * mii_info); + int (*config_aneg)(struct uec_mii_info *mii_info); /* Determines the negotiated speed and duplex */ - int (*read_status) (struct uec_mii_info * mii_info); + int (*read_status)(struct uec_mii_info *mii_info); /* Clears any pending interrupts */ - int (*ack_interrupt) (struct uec_mii_info * mii_info); + int (*ack_interrupt)(struct uec_mii_info *mii_info); /* Enables or disables interrupts */ - int (*config_intr) (struct uec_mii_info * mii_info); + int (*config_intr)(struct uec_mii_info *mii_info); /* Clears up any memory if needed */ - void (*close) (struct uec_mii_info * mii_info); + void (*close)(struct uec_mii_info *mii_info); }; -struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info); -void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum, - int value); -int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum); -void mii_clear_phy_interrupt (struct uec_mii_info *mii_info); -void mii_configure_phy_interrupt (struct uec_mii_info *mii_info, - u32 interrupts); +struct phy_info *uec_get_phy_info(struct uec_mii_info *mii_info); +void uec_write_phy_reg(struct eth_device *dev, int mii_id, int regnum, + int value); +int uec_read_phy_reg(struct eth_device *dev, int mii_id, int regnum); +void mii_clear_phy_interrupt(struct uec_mii_info *mii_info); +void mii_configure_phy_interrupt(struct uec_mii_info *mii_info, + u32 interrupts); +void change_phy_interface_mode(struct eth_device *dev, + phy_interface_t type, int speed); #endif /* __UEC_PHY_H__ */ diff --git a/drivers/ram/sifive/fu540_ddr.c b/drivers/ram/sifive/fu540_ddr.c index 5ff88692a8..60d4945f84 100644 --- a/drivers/ram/sifive/fu540_ddr.c +++ b/drivers/ram/sifive/fu540_ddr.c @@ -11,7 +11,6 @@ #include <fdtdec.h> #include <init.h> #include <ram.h> -#include <regmap.h> #include <syscon.h> #include <asm/io.h> #include <clk.h> @@ -339,17 +338,12 @@ static int fu540_ddr_probe(struct udevice *dev) priv->info.size = gd->ram_size; #if defined(CONFIG_SPL_BUILD) - struct regmap *map; int ret; u32 clock = 0; debug("FU540 DDR probe\n"); priv->dev = dev; - ret = regmap_init_mem(dev_ofnode(dev), &map); - if (ret) - return ret; - ret = clk_get_by_index(dev, 0, &priv->ddr_clk); if (ret) { debug("clk get failed %d\n", ret); @@ -369,9 +363,14 @@ static int fu540_ddr_probe(struct udevice *dev) } ret = clk_enable(&priv->ddr_clk); - priv->ctl = regmap_get_range(map, 0); - priv->phy = regmap_get_range(map, 1); - priv->physical_filter_ctrl = regmap_get_range(map, 2); + if (ret < 0) { + debug("Could not enable DDR clock\n"); + return ret; + } + + priv->ctl = (struct fu540_ddrctl *)dev_read_addr_index(dev, 0); + priv->phy = (struct fu540_ddrphy *)dev_read_addr_index(dev, 1); + priv->physical_filter_ctrl = (u32 *)dev_read_addr_index(dev, 2); return fu540_ddr_setup(dev); #endif diff --git a/drivers/remoteproc/k3_system_controller.c b/drivers/remoteproc/k3_system_controller.c index 54209fccb3..702d98d1a8 100644 --- a/drivers/remoteproc/k3_system_controller.c +++ b/drivers/remoteproc/k3_system_controller.c @@ -100,7 +100,7 @@ void k3_sysctrler_load_msg_setup(struct k3_sysctrler_load_msg *fw, fw->buffer_size = size; } -static int k3_sysctrler_load_response(u32 *buf) +static int k3_sysctrler_load_response(struct udevice *dev, u32 *buf) { struct k3_sysctrler_load_msg *fw; @@ -129,7 +129,8 @@ static int k3_sysctrler_load_response(u32 *buf) return 0; } -static int k3_sysctrler_boot_notification_response(u32 *buf) +static int k3_sysctrler_boot_notification_response(struct udevice *dev, + u32 *buf) { struct k3_sysctrler_boot_notification_msg *boot; @@ -193,7 +194,7 @@ static int k3_sysctrler_load(struct udevice *dev, ulong addr, ulong size) } /* Process the response */ - ret = k3_sysctrler_load_response(msg.buf); + ret = k3_sysctrler_load_response(dev, msg.buf); if (ret) return ret; @@ -230,7 +231,7 @@ static int k3_sysctrler_start(struct udevice *dev) } /* Process the response */ - ret = k3_sysctrler_boot_notification_response(msg.buf); + ret = k3_sysctrler_boot_notification_response(dev, msg.buf); if (ret) return ret; diff --git a/drivers/remoteproc/rproc-elf-loader.c b/drivers/remoteproc/rproc-elf-loader.c index c464ecebb7..b185a6cafb 100644 --- a/drivers/remoteproc/rproc-elf-loader.c +++ b/drivers/remoteproc/rproc-elf-loader.c @@ -158,22 +158,6 @@ int rproc_elf64_sanity_check(ulong addr, ulong size) return 0; } -/* Basic function to verify ELF image format */ -int rproc_elf_sanity_check(ulong addr, ulong size) -{ - Elf32_Ehdr *ehdr = (Elf32_Ehdr *)addr; - - if (!addr) { - dev_err(dev, "Invalid firmware address\n"); - return -EFAULT; - } - - if (ehdr->e_ident[EI_CLASS] == ELFCLASS64) - return rproc_elf64_sanity_check(addr, size); - else - return rproc_elf32_sanity_check(addr, size); -} - int rproc_elf32_load_image(struct udevice *dev, unsigned long addr, ulong size) { Elf32_Ehdr *ehdr; /* Elf header structure pointer */ diff --git a/drivers/remoteproc/ti_k3_r5f_rproc.c b/drivers/remoteproc/ti_k3_r5f_rproc.c index 1a7f1f8a00..9332a63d21 100644 --- a/drivers/remoteproc/ti_k3_r5f_rproc.c +++ b/drivers/remoteproc/ti_k3_r5f_rproc.c @@ -2,8 +2,9 @@ /* * Texas Instruments' K3 R5 Remoteproc driver * - * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/ * Lokesh Vutla <lokeshvutla@ti.com> + * Suman Anna <s-anna@ti.com> */ #include <common.h> @@ -37,6 +38,8 @@ #define PROC_BOOT_CFG_FLAG_R5_BTCM_EN 0x00001000 #define PROC_BOOT_CFG_FLAG_R5_ATCM_EN 0x00002000 #define PROC_BOOT_CFG_FLAG_GEN_IGN_BOOTVECTOR 0x10000000 +/* Available from J7200 SoCs onwards */ +#define PROC_BOOT_CFG_FLAG_R5_MEM_INIT_DIS 0x00004000 /* R5 TI-SCI Processor Control Flags */ #define PROC_BOOT_CTRL_FLAG_R5_CORE_HALT 0x00000001 @@ -55,6 +58,16 @@ enum cluster_mode { }; /** + * struct k3_r5f_ip_data - internal data structure used for IP variations + * @tcm_is_double: flag to denote the larger unified TCMs in certain modes + * @tcm_ecc_autoinit: flag to denote the auto-initialization of TCMs for ECC + */ +struct k3_r5f_ip_data { + bool tcm_is_double; + bool tcm_ecc_autoinit; +}; + +/** * struct k3_r5_mem - internal memory structure * @cpu_addr: MPU virtual address of the memory region * @bus_addr: Bus address used to access the memory region @@ -74,6 +87,7 @@ struct k3_r5f_mem { * @cluster: pointer to the parent cluster. * @reset: reset control handle * @tsp: TI-SCI processor control handle + * @ipdata: cached pointer to R5F IP specific feature data * @mem: Array of available internal memories * @num_mem: Number of available memories * @atcm_enable: flag to control ATCM enablement @@ -86,6 +100,7 @@ struct k3_r5f_core { struct k3_r5f_cluster *cluster; struct reset_ctl reset; struct ti_sci_proc tsp; + struct k3_r5f_ip_data *ipdata; struct k3_r5f_mem *mem; int num_mems; u32 atcm_enable; @@ -150,7 +165,7 @@ static int k3_r5f_lockstep_release(struct k3_r5f_cluster *cluster) { int ret, c; - dev_dbg(dev, "%s\n", __func__); + debug("%s\n", __func__); for (c = NR_CORES - 1; c >= 0; c--) { ret = ti_sci_proc_power_domain_on(&cluster->cores[c]->tsp); @@ -186,7 +201,7 @@ static int k3_r5f_split_release(struct k3_r5f_core *core) { int ret; - dev_dbg(dev, "%s\n", __func__); + dev_dbg(core->dev, "%s\n", __func__); ret = ti_sci_proc_power_domain_on(&core->tsp); if (ret) { @@ -231,25 +246,29 @@ static int k3_r5f_core_sanity_check(struct k3_r5f_core *core) struct k3_r5f_cluster *cluster = core->cluster; if (core->in_use) { - dev_err(dev, "Invalid op: Trying to load/start on already running core %d\n", + dev_err(core->dev, + "Invalid op: Trying to load/start on already running core %d\n", core->tsp.proc_id); return -EINVAL; } if (cluster->mode == CLUSTER_MODE_LOCKSTEP && !cluster->cores[1]) { - printf("Secondary core is not probed in this cluster\n"); + dev_err(core->dev, + "Secondary core is not probed in this cluster\n"); return -EAGAIN; } if (cluster->mode == CLUSTER_MODE_LOCKSTEP && !is_primary_core(core)) { - dev_err(dev, "Invalid op: Trying to start secondary core %d in lockstep mode\n", + dev_err(core->dev, + "Invalid op: Trying to start secondary core %d in lockstep mode\n", core->tsp.proc_id); return -EINVAL; } if (cluster->mode == CLUSTER_MODE_SPLIT && !is_primary_core(core)) { if (!core->cluster->cores[0]->in_use) { - dev_err(dev, "Invalid seq: Enable primary core before loading secondary core\n"); + dev_err(core->dev, + "Invalid seq: Enable primary core before loading secondary core\n"); return -EINVAL; } } @@ -257,6 +276,18 @@ static int k3_r5f_core_sanity_check(struct k3_r5f_core *core) return 0; } +/* Zero out TCMs so that ECC can be effective on all TCM addresses */ +void k3_r5f_init_tcm_memories(struct k3_r5f_core *core, bool auto_inited) +{ + if (core->ipdata->tcm_ecc_autoinit && auto_inited) + return; + + if (core->atcm_enable) + memset(core->mem[0].cpu_addr, 0x00, core->mem[0].size); + if (core->btcm_enable) + memset(core->mem[1].cpu_addr, 0x00, core->mem[1].size); +} + /** * k3_r5f_load() - Load up the Remote processor image * @dev: rproc device pointer @@ -268,7 +299,9 @@ static int k3_r5f_core_sanity_check(struct k3_r5f_core *core) static int k3_r5f_load(struct udevice *dev, ulong addr, ulong size) { struct k3_r5f_core *core = dev_get_priv(dev); - u32 boot_vector; + u64 boot_vector; + u32 ctrl, sts, cfg = 0; + bool mem_auto_init; int ret; dev_dbg(dev, "%s addr = 0x%lx, size = 0x%lx\n", __func__, addr, size); @@ -281,6 +314,12 @@ static int k3_r5f_load(struct udevice *dev, ulong addr, ulong size) if (ret) return ret; + ret = ti_sci_proc_get_status(&core->tsp, &boot_vector, &cfg, &ctrl, + &sts); + if (ret) + return ret; + mem_auto_init = !(cfg & PROC_BOOT_CFG_FLAG_R5_MEM_INIT_DIS); + ret = k3_r5f_prepare(dev); if (ret) { dev_err(dev, "R5f prepare failed for core %d\n", @@ -288,11 +327,7 @@ static int k3_r5f_load(struct udevice *dev, ulong addr, ulong size) goto proc_release; } - /* Zero out TCMs so that ECC can be effective on all TCM addresses */ - if (core->atcm_enable) - memset(core->mem[0].cpu_addr, 0x00, core->mem[0].size); - if (core->btcm_enable) - memset(core->mem[1].cpu_addr, 0x00, core->mem[1].size); + k3_r5f_init_tcm_memories(core, mem_auto_init); ret = rproc_elf_load_image(dev, addr, size); if (ret < 0) { @@ -302,7 +337,7 @@ static int k3_r5f_load(struct udevice *dev, ulong addr, ulong size) boot_vector = rproc_elf_get_boot_addr(dev, addr); - dev_dbg(dev, "%s: Boot vector = 0x%x\n", __func__, boot_vector); + dev_dbg(dev, "%s: Boot vector = 0x%llx\n", __func__, boot_vector); ret = ti_sci_proc_set_config(&core->tsp, boot_vector, 0, 0); @@ -401,7 +436,7 @@ static int k3_r5f_split_reset(struct k3_r5f_core *core) { int ret; - dev_dbg(dev, "%s\n", __func__); + dev_dbg(core->dev, "%s\n", __func__); if (reset_assert(&core->reset)) ret = -EINVAL; @@ -416,7 +451,7 @@ static int k3_r5f_lockstep_reset(struct k3_r5f_cluster *cluster) { int ret = 0, c; - dev_dbg(dev, "%s\n", __func__); + debug("%s\n", __func__); for (c = 0; c < NR_CORES; c++) if (reset_assert(&cluster->cores[c]->reset)) @@ -548,7 +583,7 @@ static int k3_r5f_rproc_configure(struct k3_r5f_core *core) u64 boot_vec = 0; int ret; - dev_dbg(dev, "%s\n", __func__); + dev_dbg(core->dev, "%s\n", __func__); ret = ti_sci_proc_request(&core->tsp); if (ret < 0) @@ -641,7 +676,7 @@ static int k3_r5f_of_to_priv(struct k3_r5f_core *core) { int ret; - dev_dbg(dev, "%s\n", __func__); + dev_dbg(core->dev, "%s\n", __func__); core->atcm_enable = dev_read_u32_default(core->dev, "atcm-enable", 0); core->btcm_enable = dev_read_u32_default(core->dev, "btcm-enable", 1); @@ -657,6 +692,8 @@ static int k3_r5f_of_to_priv(struct k3_r5f_core *core) return ret; } + core->ipdata = (struct k3_r5f_ip_data *)dev_get_driver_data(core->dev); + return 0; } @@ -702,6 +739,38 @@ static int k3_r5f_core_of_get_memories(struct k3_r5f_core *core) return 0; } +/* + * Each R5F core within a typical R5FSS instance has a total of 64 KB of TCMs, + * split equally into two 32 KB banks between ATCM and BTCM. The TCMs from both + * cores are usable in Split-mode, but only the Core0 TCMs can be used in + * LockStep-mode. The newer revisions of the R5FSS IP maximizes these TCMs by + * leveraging the Core1 TCMs as well in certain modes where they would have + * otherwise been unusable (Eg: LockStep-mode on J7200 SoCs). This is done by + * making a Core1 TCM visible immediately after the corresponding Core0 TCM. + * The SoC memory map uses the larger 64 KB sizes for the Core0 TCMs, and the + * dts representation reflects this increased size on supported SoCs. The Core0 + * TCM sizes therefore have to be adjusted to only half the original size in + * Split mode. + */ +static void k3_r5f_core_adjust_tcm_sizes(struct k3_r5f_core *core) +{ + struct k3_r5f_cluster *cluster = core->cluster; + + if (cluster->mode == CLUSTER_MODE_LOCKSTEP) + return; + + if (!core->ipdata->tcm_is_double) + return; + + if (core == cluster->cores[0]) { + core->mem[0].size /= 2; + core->mem[1].size /= 2; + + dev_dbg(core->dev, "adjusted TCM sizes, ATCM = 0x%zx BTCM = 0x%zx\n", + core->mem[0].size, core->mem[1].size); + } +} + /** * k3_r5f_probe() - Basic probe * @dev: corresponding k3 remote processor device @@ -755,6 +824,8 @@ static int k3_r5f_probe(struct udevice *dev) return ret; } + k3_r5f_core_adjust_tcm_sizes(core); + dev_dbg(dev, "Remoteproc successfully probed\n"); return 0; @@ -771,9 +842,20 @@ static int k3_r5f_remove(struct udevice *dev) return 0; } +static const struct k3_r5f_ip_data k3_data = { + .tcm_is_double = false, + .tcm_ecc_autoinit = false, +}; + +static const struct k3_r5f_ip_data j7200_data = { + .tcm_is_double = true, + .tcm_ecc_autoinit = true, +}; + static const struct udevice_id k3_r5f_rproc_ids[] = { - { .compatible = "ti,am654-r5f"}, - { .compatible = "ti,j721e-r5f"}, + { .compatible = "ti,am654-r5f", .data = (ulong)&k3_data, }, + { .compatible = "ti,j721e-r5f", .data = (ulong)&k3_data, }, + { .compatible = "ti,j7200-r5f", .data = (ulong)&j7200_data, }, {} }; @@ -810,6 +892,7 @@ static int k3_r5f_cluster_probe(struct udevice *dev) static const struct udevice_id k3_r5fss_ids[] = { { .compatible = "ti,am654-r5fss"}, { .compatible = "ti,j721e-r5fss"}, + { .compatible = "ti,j7200-r5fss"}, {} }; diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 253902ff57..b60e11f98b 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -148,6 +148,14 @@ config RESET_IMX7 help Support for reset controller on i.MX7/8 SoCs. +config RESET_IPQ419 + bool "Reset driver for Qualcomm IPQ40xx SoCs" + depends on DM_RESET && ARCH_IPQ40XX + default y + help + Support for reset controller on Qualcomm + IPQ40xx SoCs. + config RESET_SIFIVE bool "Reset Driver for SiFive SoC's" depends on DM_RESET && CLK_SIFIVE_FU540_PRCI && TARGET_SIFIVE_FU540 @@ -173,4 +181,12 @@ config RESET_RASPBERRYPI relevant. This driver provides a reset controller capable of interfacing with RPi4's co-processor and model these firmware initialization routines as reset lines. + +config RESET_SCMI + bool "Enable SCMI reset domain driver" + select SCMI_FIRMWARE + help + Enable this option if you want to support reset controller + devices exposed by a SCMI agent based on SCMI reset domain + protocol communication with a SCMI server. endmenu diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 3c7f066ae3..10a7973f82 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -23,6 +23,8 @@ obj-$(CONFIG_RESET_MTMIPS) += reset-mtmips.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_HISILICON) += reset-hisilicon.o obj-$(CONFIG_RESET_IMX7) += reset-imx7.o +obj-$(CONFIG_RESET_IPQ419) += reset-ipq4019.o obj-$(CONFIG_RESET_SIFIVE) += reset-sifive.o obj-$(CONFIG_RESET_SYSCON) += reset-syscon.o obj-$(CONFIG_RESET_RASPBERRYPI) += reset-raspberrypi.o +obj-$(CONFIG_RESET_SCMI) += reset-scmi.o diff --git a/drivers/reset/reset-ipq4019.c b/drivers/reset/reset-ipq4019.c new file mode 100644 index 0000000000..f216db4ce5 --- /dev/null +++ b/drivers/reset/reset-ipq4019.c @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 Sartura Ltd. + * + * Author: Robert Marko <robert.marko@sartura.hr> + * + * Based on Linux driver + */ + +#include <asm/io.h> +#include <common.h> +#include <dm.h> +#include <dt-bindings/reset/qcom,ipq4019-reset.h> +#include <reset-uclass.h> +#include <linux/bitops.h> +#include <malloc.h> + +struct ipq4019_reset_priv { + phys_addr_t base; +}; + +struct qcom_reset_map { + unsigned int reg; + u8 bit; +}; + +static const struct qcom_reset_map gcc_ipq4019_resets[] = { + [WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 }, + [WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 }, + [WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 }, + [WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 }, + [WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 }, + [WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 }, + [WIFI1_CPU_INIT_RESET] = { 0x20008, 5 }, + [WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 }, + [WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 }, + [WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 }, + [WIFI1_CORE_WARM_RESET] = { 0x20008, 1 }, + [WIFI1_CORE_COLD_RESET] = { 0x20008, 0 }, + [USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 }, + [USB3_HSPHY_POR_ARES] = { 0x1e038, 4 }, + [USB3_HSPHY_S_ARES] = { 0x1e038, 2 }, + [USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 }, + [USB2_HSPHY_S_ARES] = { 0x1e01c, 2 }, + [PCIE_PHY_AHB_ARES] = { 0x1d010, 11 }, + [PCIE_AHB_ARES] = { 0x1d010, 10 }, + [PCIE_PWR_ARES] = { 0x1d010, 9 }, + [PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 }, + [PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 }, + [PCIE_PHY_ARES] = { 0x1d010, 6 }, + [PCIE_PARF_XPU_ARES] = { 0x1d010, 5 }, + [PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 }, + [PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 }, + [PCIE_PIPE_ARES] = { 0x1d010, 2 }, + [PCIE_AXI_S_ARES] = { 0x1d010, 1 }, + [PCIE_AXI_M_ARES] = { 0x1d010, 0 }, + [ESS_RESET] = { 0x12008, 0}, + [GCC_BLSP1_BCR] = {0x01000, 0}, + [GCC_BLSP1_QUP1_BCR] = {0x02000, 0}, + [GCC_BLSP1_UART1_BCR] = {0x02038, 0}, + [GCC_BLSP1_QUP2_BCR] = {0x03008, 0}, + [GCC_BLSP1_UART2_BCR] = {0x03028, 0}, + [GCC_BIMC_BCR] = {0x04000, 0}, + [GCC_TLMM_BCR] = {0x05000, 0}, + [GCC_IMEM_BCR] = {0x0E000, 0}, + [GCC_ESS_BCR] = {0x12008, 0}, + [GCC_PRNG_BCR] = {0x13000, 0}, + [GCC_BOOT_ROM_BCR] = {0x13008, 0}, + [GCC_CRYPTO_BCR] = {0x16000, 0}, + [GCC_SDCC1_BCR] = {0x18000, 0}, + [GCC_SEC_CTRL_BCR] = {0x1A000, 0}, + [GCC_AUDIO_BCR] = {0x1B008, 0}, + [GCC_QPIC_BCR] = {0x1C000, 0}, + [GCC_PCIE_BCR] = {0x1D000, 0}, + [GCC_USB2_BCR] = {0x1E008, 0}, + [GCC_USB2_PHY_BCR] = {0x1E018, 0}, + [GCC_USB3_BCR] = {0x1E024, 0}, + [GCC_USB3_PHY_BCR] = {0x1E034, 0}, + [GCC_SYSTEM_NOC_BCR] = {0x21000, 0}, + [GCC_PCNOC_BCR] = {0x2102C, 0}, + [GCC_DCD_BCR] = {0x21038, 0}, + [GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0}, + [GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0}, + [GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0}, + [GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0}, + [GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0}, + [GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0}, + [GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0}, + [GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0}, + [GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0}, + [GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0}, + [GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0}, + [GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0}, + [GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0}, + [GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0}, + [GCC_TCSR_BCR] = {0x22000, 0}, + [GCC_MPM_BCR] = {0x24000, 0}, + [GCC_SPDM_BCR] = {0x25000, 0}, +}; + +static int ipq4019_reset_assert(struct reset_ctl *rst) +{ + struct ipq4019_reset_priv *priv = dev_get_priv(rst->dev); + const struct qcom_reset_map *reset_map = gcc_ipq4019_resets; + const struct qcom_reset_map *map; + u32 value; + + map = &reset_map[rst->id]; + + value = readl(priv->base + map->reg); + value |= BIT(map->bit); + writel(value, priv->base + map->reg); + + return 0; +} + +static int ipq4019_reset_deassert(struct reset_ctl *rst) +{ + struct ipq4019_reset_priv *priv = dev_get_priv(rst->dev); + const struct qcom_reset_map *reset_map = gcc_ipq4019_resets; + const struct qcom_reset_map *map; + u32 value; + + map = &reset_map[rst->id]; + + value = readl(priv->base + map->reg); + value &= ~BIT(map->bit); + writel(value, priv->base + map->reg); + + return 0; +} + +static int ipq4019_reset_free(struct reset_ctl *rst) +{ + return 0; +} + +static int ipq4019_reset_request(struct reset_ctl *rst) +{ + return 0; +} + +static const struct reset_ops ipq4019_reset_ops = { + .request = ipq4019_reset_request, + .rfree = ipq4019_reset_free, + .rst_assert = ipq4019_reset_assert, + .rst_deassert = ipq4019_reset_deassert, +}; + +static const struct udevice_id ipq4019_reset_ids[] = { + { .compatible = "qcom,gcc-reset-ipq4019" }, + { } +}; + +static int ipq4019_reset_probe(struct udevice *dev) +{ + struct ipq4019_reset_priv *priv = dev_get_priv(dev); + + priv->base = dev_read_addr(dev); + if (priv->base == FDT_ADDR_T_NONE) + return -EINVAL; + + return 0; +} + +U_BOOT_DRIVER(ipq4019_reset) = { + .name = "ipq4019_reset", + .id = UCLASS_RESET, + .of_match = ipq4019_reset_ids, + .ops = &ipq4019_reset_ops, + .probe = ipq4019_reset_probe, + .priv_auto_alloc_size = sizeof(struct ipq4019_reset_priv), +}; diff --git a/drivers/reset/reset-scmi.c b/drivers/reset/reset-scmi.c new file mode 100644 index 0000000000..1bff8075ee --- /dev/null +++ b/drivers/reset/reset-scmi.c @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019-2020 Linaro Limited + */ +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <reset-uclass.h> +#include <scmi_agent.h> +#include <scmi_protocols.h> +#include <asm/types.h> + +static int scmi_reset_set_level(struct reset_ctl *rst, bool assert_not_deassert) +{ + struct scmi_rd_reset_in in = { + .domain_id = rst->id, + .flags = assert_not_deassert ? SCMI_RD_RESET_FLAG_ASSERT : 0, + .reset_state = 0, + }; + struct scmi_rd_reset_out out; + struct scmi_msg msg = SCMI_MSG_IN(SCMI_PROTOCOL_ID_RESET_DOMAIN, + SCMI_RESET_DOMAIN_RESET, + in, out); + int ret; + + ret = devm_scmi_process_msg(rst->dev->parent, &msg); + if (ret) + return ret; + + return scmi_to_linux_errno(out.status); +} + +static int scmi_reset_assert(struct reset_ctl *rst) +{ + return scmi_reset_set_level(rst, true); +} + +static int scmi_reset_deassert(struct reset_ctl *rst) +{ + return scmi_reset_set_level(rst, false); +} + +static int scmi_reset_request(struct reset_ctl *rst) +{ + struct scmi_rd_attr_in in = { + .domain_id = rst->id, + }; + struct scmi_rd_attr_out out; + struct scmi_msg msg = SCMI_MSG_IN(SCMI_PROTOCOL_ID_RESET_DOMAIN, + SCMI_RESET_DOMAIN_ATTRIBUTES, + in, out); + int ret; + + /* + * We don't really care about the attribute, just check + * the reset domain exists. + */ + ret = devm_scmi_process_msg(rst->dev->parent, &msg); + if (ret) + return ret; + + return scmi_to_linux_errno(out.status); +} + +static int scmi_reset_rfree(struct reset_ctl *rst) +{ + return 0; +} + +static const struct reset_ops scmi_reset_domain_ops = { + .request = scmi_reset_request, + .rfree = scmi_reset_rfree, + .rst_assert = scmi_reset_assert, + .rst_deassert = scmi_reset_deassert, +}; + +U_BOOT_DRIVER(scmi_reset_domain) = { + .name = "scmi_reset_domain", + .id = UCLASS_RESET, + .ops = &scmi_reset_domain_ops, +}; diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c index 5e38ce5c06..e7e407ca35 100644 --- a/drivers/reset/reset-uclass.c +++ b/drivers/reset/reset-uclass.c @@ -11,6 +11,7 @@ #include <reset.h> #include <reset-uclass.h> #include <dm/devres.h> +#include <dm/lists.h> static inline struct reset_ops *reset_dev_ops(struct udevice *dev) { @@ -100,13 +101,14 @@ int reset_get_by_index_nodev(ofnode node, int index, index > 0, reset_ctl); } -int reset_get_bulk(struct udevice *dev, struct reset_ctl_bulk *bulk) +static int __reset_get_bulk(struct udevice *dev, ofnode node, + struct reset_ctl_bulk *bulk) { int i, ret, err, count; - + bulk->count = 0; - count = dev_count_phandle_with_args(dev, "resets", "#reset-cells"); + count = ofnode_count_phandle_with_args(node, "resets", "#reset-cells"); if (count < 1) return count; @@ -116,7 +118,7 @@ int reset_get_bulk(struct udevice *dev, struct reset_ctl_bulk *bulk) return -ENOMEM; for (i = 0; i < count; i++) { - ret = reset_get_by_index(dev, i, &bulk->resets[i]); + ret = reset_get_by_index_nodev(node, i, &bulk->resets[i]); if (ret < 0) goto bulk_get_err; @@ -134,6 +136,11 @@ bulk_get_err: return ret; } +int reset_get_bulk(struct udevice *dev, struct reset_ctl_bulk *bulk) +{ + return __reset_get_bulk(dev, dev_ofnode(dev), bulk); +} + int reset_get_by_name(struct udevice *dev, const char *name, struct reset_ctl *reset_ctl) { @@ -246,6 +253,109 @@ int reset_release_all(struct reset_ctl *reset_ctl, int count) return 0; } +static void devm_reset_release(struct udevice *dev, void *res) +{ + reset_free(res); +} + +struct reset_ctl *devm_reset_control_get_by_index(struct udevice *dev, + int index) +{ + int rc; + struct reset_ctl *reset_ctl; + + reset_ctl = devres_alloc(devm_reset_release, sizeof(struct reset_ctl), + __GFP_ZERO); + if (unlikely(!reset_ctl)) + return ERR_PTR(-ENOMEM); + + rc = reset_get_by_index(dev, index, reset_ctl); + if (rc) + return ERR_PTR(rc); + + devres_add(dev, reset_ctl); + return reset_ctl; +} + +struct reset_ctl *devm_reset_control_get(struct udevice *dev, const char *id) +{ + int rc; + struct reset_ctl *reset_ctl; + + reset_ctl = devres_alloc(devm_reset_release, sizeof(struct reset_ctl), + __GFP_ZERO); + if (unlikely(!reset_ctl)) + return ERR_PTR(-ENOMEM); + + rc = reset_get_by_name(dev, id, reset_ctl); + if (rc) + return ERR_PTR(rc); + + devres_add(dev, reset_ctl); + return reset_ctl; +} + +struct reset_ctl *devm_reset_control_get_optional(struct udevice *dev, + const char *id) +{ + struct reset_ctl *r = devm_reset_control_get(dev, id); + + if (IS_ERR(r)) + return NULL; + + return r; +} + +static void devm_reset_bulk_release(struct udevice *dev, void *res) +{ + struct reset_ctl_bulk *bulk = res; + + reset_release_all(bulk->resets, bulk->count); +} + +struct reset_ctl_bulk *devm_reset_bulk_get_by_node(struct udevice *dev, + ofnode node) +{ + int rc; + struct reset_ctl_bulk *bulk; + + bulk = devres_alloc(devm_reset_bulk_release, + sizeof(struct reset_ctl_bulk), + __GFP_ZERO); + if (unlikely(!bulk)) + return ERR_PTR(-ENOMEM); + + rc = __reset_get_bulk(dev, node, bulk); + if (rc) + return ERR_PTR(rc); + + devres_add(dev, bulk); + return bulk; +} + +struct reset_ctl_bulk *devm_reset_bulk_get_optional_by_node(struct udevice *dev, + ofnode node) +{ + struct reset_ctl_bulk *bulk; + + bulk = devm_reset_bulk_get_by_node(dev, node); + + if (IS_ERR(bulk)) + return NULL; + + return bulk; +} + +struct reset_ctl_bulk *devm_reset_bulk_get(struct udevice *dev) +{ + return devm_reset_bulk_get_by_node(dev, dev_ofnode(dev)); +} + +struct reset_ctl_bulk *devm_reset_bulk_get_optional(struct udevice *dev) +{ + return devm_reset_bulk_get_optional_by_node(dev, dev_ofnode(dev)); +} + UCLASS_DRIVER(reset) = { .id = UCLASS_RESET, .name = "reset", diff --git a/drivers/reset/sandbox-reset-test.c b/drivers/reset/sandbox-reset-test.c index 9bc4a7e0de..10e02f1036 100644 --- a/drivers/reset/sandbox-reset-test.c +++ b/drivers/reset/sandbox-reset-test.c @@ -10,66 +10,105 @@ #include <reset.h> #include <asm/io.h> #include <asm/reset.h> +#include <linux/err.h> struct sandbox_reset_test { struct reset_ctl ctl; struct reset_ctl_bulk bulk; + + struct reset_ctl *ctlp; + struct reset_ctl_bulk *bulkp; }; int sandbox_reset_test_get(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); + sbrt->ctlp = &sbrt->ctl; return reset_get_by_name(dev, "test", &sbrt->ctl); } +int sandbox_reset_test_get_devm(struct udevice *dev) +{ + struct sandbox_reset_test *sbrt = dev_get_priv(dev); + struct reset_ctl *r; + + r = devm_reset_control_get(dev, "not-a-valid-reset-ctl"); + if (!IS_ERR(r)) + return -EINVAL; + + r = devm_reset_control_get_optional(dev, "not-a-valid-reset-ctl"); + if (r) + return -EINVAL; + + sbrt->ctlp = devm_reset_control_get(dev, "test"); + if (IS_ERR(sbrt->ctlp)) + return PTR_ERR(sbrt->ctlp); + + return 0; +} + int sandbox_reset_test_get_bulk(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); + sbrt->bulkp = &sbrt->bulk; return reset_get_bulk(dev, &sbrt->bulk); } +int sandbox_reset_test_get_bulk_devm(struct udevice *dev) +{ + struct sandbox_reset_test *sbrt = dev_get_priv(dev); + struct reset_ctl_bulk *r; + + r = devm_reset_bulk_get_optional(dev); + if (IS_ERR(r)) + return PTR_ERR(r); + + sbrt->bulkp = r; + return 0; +} + int sandbox_reset_test_assert(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); - return reset_assert(&sbrt->ctl); + return reset_assert(sbrt->ctlp); } int sandbox_reset_test_assert_bulk(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); - return reset_assert_bulk(&sbrt->bulk); + return reset_assert_bulk(sbrt->bulkp); } int sandbox_reset_test_deassert(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); - return reset_deassert(&sbrt->ctl); + return reset_deassert(sbrt->ctlp); } int sandbox_reset_test_deassert_bulk(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); - return reset_deassert_bulk(&sbrt->bulk); + return reset_deassert_bulk(sbrt->bulkp); } int sandbox_reset_test_free(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); - return reset_free(&sbrt->ctl); + return reset_free(sbrt->ctlp); } int sandbox_reset_test_release_bulk(struct udevice *dev) { struct sandbox_reset_test *sbrt = dev_get_priv(dev); - return reset_release_bulk(&sbrt->bulk); + return reset_release_bulk(sbrt->bulkp); } static const struct udevice_id sandbox_reset_test_ids[] = { diff --git a/drivers/reset/sandbox-reset.c b/drivers/reset/sandbox-reset.c index 7a6f7f676c..08008d875a 100644 --- a/drivers/reset/sandbox-reset.c +++ b/drivers/reset/sandbox-reset.c @@ -15,6 +15,7 @@ struct sandbox_reset_signal { bool asserted; + bool requested; }; struct sandbox_reset { @@ -23,18 +24,24 @@ struct sandbox_reset { static int sandbox_reset_request(struct reset_ctl *reset_ctl) { + struct sandbox_reset *sbr = dev_get_priv(reset_ctl->dev); + debug("%s(reset_ctl=%p)\n", __func__, reset_ctl); if (reset_ctl->id >= SANDBOX_RESET_SIGNALS) return -EINVAL; + sbr->signals[reset_ctl->id].requested = true; return 0; } static int sandbox_reset_free(struct reset_ctl *reset_ctl) { + struct sandbox_reset *sbr = dev_get_priv(reset_ctl->dev); + debug("%s(reset_ctl=%p)\n", __func__, reset_ctl); + sbr->signals[reset_ctl->id].requested = false; return 0; } @@ -107,3 +114,15 @@ int sandbox_reset_query(struct udevice *dev, unsigned long id) return sbr->signals[id].asserted; } + +int sandbox_reset_is_requested(struct udevice *dev, unsigned long id) +{ + struct sandbox_reset *sbr = dev_get_priv(dev); + + debug("%s(dev=%p, id=%ld)\n", __func__, dev, id); + + if (id >= SANDBOX_RESET_SIGNALS) + return -EINVAL; + + return sbr->signals[id].requested; +} diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index e344677f91..b4805a2e4e 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -734,7 +734,7 @@ config UNIPHIER_SERIAL config XILINX_UARTLITE bool "Xilinx Uarlite support" - depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || 4xx) + depends on DM_SERIAL help If you have a Xilinx based board and want to use the uartlite serial ports, say Y to this option. If unsure, say N. @@ -802,7 +802,7 @@ config STM32_SERIAL config ZYNQ_SERIAL bool "Cadence (Xilinx Zynq) UART support" - depends on DM_SERIAL && (MICROBLAZE || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_ZYNQMP_R5) + depends on DM_SERIAL help This driver supports the Cadence UART. It is found e.g. in Xilinx Zynq/ZynqMP. diff --git a/drivers/serial/serial_xuartlite.c b/drivers/serial/serial_xuartlite.c index 5116d13751..236ab860ad 100644 --- a/drivers/serial/serial_xuartlite.c +++ b/drivers/serial/serial_xuartlite.c @@ -23,6 +23,8 @@ #define ULITE_CONTROL_RST_TX 0x01 #define ULITE_CONTROL_RST_RX 0x02 +static bool little_endian; + struct uartlite { unsigned int rx_fifo; unsigned int tx_fifo; @@ -34,15 +36,31 @@ struct uartlite_platdata { struct uartlite *regs; }; +static u32 uart_in32(void __iomem *addr) +{ + if (little_endian) + return in_le32(addr); + else + return in_be32(addr); +} + +static void uart_out32(void __iomem *addr, u32 val) +{ + if (little_endian) + out_le32(addr, val); + else + out_be32(addr, val); +} + static int uartlite_serial_putc(struct udevice *dev, const char ch) { struct uartlite_platdata *plat = dev_get_platdata(dev); struct uartlite *regs = plat->regs; - if (in_be32(®s->status) & SR_TX_FIFO_FULL) + if (uart_in32(®s->status) & SR_TX_FIFO_FULL) return -EAGAIN; - out_be32(®s->tx_fifo, ch & 0xff); + uart_out32(®s->tx_fifo, ch & 0xff); return 0; } @@ -52,10 +70,10 @@ static int uartlite_serial_getc(struct udevice *dev) struct uartlite_platdata *plat = dev_get_platdata(dev); struct uartlite *regs = plat->regs; - if (!(in_be32(®s->status) & SR_RX_FIFO_VALID_DATA)) + if (!(uart_in32(®s->status) & SR_RX_FIFO_VALID_DATA)) return -EAGAIN; - return in_be32(®s->rx_fifo) & 0xff; + return uart_in32(®s->rx_fifo) & 0xff; } static int uartlite_serial_pending(struct udevice *dev, bool input) @@ -64,19 +82,26 @@ static int uartlite_serial_pending(struct udevice *dev, bool input) struct uartlite *regs = plat->regs; if (input) - return in_be32(®s->status) & SR_RX_FIFO_VALID_DATA; + return uart_in32(®s->status) & SR_RX_FIFO_VALID_DATA; - return !(in_be32(®s->status) & SR_TX_FIFO_EMPTY); + return !(uart_in32(®s->status) & SR_TX_FIFO_EMPTY); } static int uartlite_serial_probe(struct udevice *dev) { struct uartlite_platdata *plat = dev_get_platdata(dev); struct uartlite *regs = plat->regs; - - out_be32(®s->control, 0); - out_be32(®s->control, ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX); - in_be32(®s->control); + int ret; + + uart_out32(®s->control, 0); + uart_out32(®s->control, ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX); + ret = uart_in32(®s->status); + /* Endianness detection */ + if ((ret & SR_TX_FIFO_EMPTY) != SR_TX_FIFO_EMPTY) { + little_endian = true; + uart_out32(®s->control, ULITE_CONTROL_RST_RX | + ULITE_CONTROL_RST_TX); + } return 0; } @@ -119,20 +144,27 @@ U_BOOT_DRIVER(serial_uartlite) = { static inline void _debug_uart_init(void) { struct uartlite *regs = (struct uartlite *)CONFIG_DEBUG_UART_BASE; - - out_be32(®s->control, 0); - out_be32(®s->control, ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX); - in_be32(®s->control); + int ret; + + uart_out32(®s->control, 0); + uart_out32(®s->control, ULITE_CONTROL_RST_RX | ULITE_CONTROL_RST_TX); + uart_in32(®s->status); + /* Endianness detection */ + if ((ret & SR_TX_FIFO_EMPTY) != SR_TX_FIFO_EMPTY) { + little_endian = true; + uart_out32(®s->control, ULITE_CONTROL_RST_RX | + ULITE_CONTROL_RST_TX); + } } static inline void _debug_uart_putc(int ch) { struct uartlite *regs = (struct uartlite *)CONFIG_DEBUG_UART_BASE; - while (in_be32(®s->status) & SR_TX_FIFO_FULL) + while (uart_in32(®s->status) & SR_TX_FIFO_FULL) ; - out_be32(®s->tx_fifo, ch & 0xff); + uart_out32(®s->tx_fifo, ch & 0xff); } DEBUG_UART_FUNCS diff --git a/drivers/smem/Kconfig b/drivers/smem/Kconfig index 7169d0f205..73d51b3a7a 100644 --- a/drivers/smem/Kconfig +++ b/drivers/smem/Kconfig @@ -15,7 +15,7 @@ config SANDBOX_SMEM config MSM_SMEM bool "Qualcomm Shared Memory Manager (SMEM)" depends on DM - depends on ARCH_SNAPDRAGON + depends on ARCH_SNAPDRAGON || ARCH_IPQ40XX help Enable support for the Qualcomm Shared Memory Manager. The driver provides an interface to items in a heap shared among all diff --git a/drivers/smem/msm_smem.c b/drivers/smem/msm_smem.c index 2557269bc5..597d425d11 100644 --- a/drivers/smem/msm_smem.c +++ b/drivers/smem/msm_smem.c @@ -879,7 +879,7 @@ static int qcom_smem_probe(struct udevice *dev) header = smem->regions[0].virt_base; if (le32_to_cpu(header->initialized) != 1 || le32_to_cpu(header->reserved)) { - dev_err(&pdev->dev, "SMEM is not initialized by SBL\n"); + dev_err(dev, "SMEM is not initialized by SBL\n"); return -EINVAL; } diff --git a/drivers/sound/max98357a.c b/drivers/sound/max98357a.c index 841bc6ef68..827262d235 100644 --- a/drivers/sound/max98357a.c +++ b/drivers/sound/max98357a.c @@ -81,7 +81,7 @@ static int max98357a_acpi_fill_ssdt(const struct udevice *dev, dp = acpi_dp_new_table("_DSD"); acpi_dp_add_gpio(dp, "sdmode-gpio", path, 0, 0, priv->sdmode_gpio.flags & GPIOD_ACTIVE_LOW ? - ACPI_IRQ_ACTIVE_LOW : ACPI_IRQ_ACTIVE_HIGH); + ACPI_GPIO_ACTIVE_LOW : ACPI_GPIO_ACTIVE_HIGH); acpi_dp_add_integer(dp, "sdmode-delay", dev_read_u32_default(dev, "sdmode-delay", 0)); acpi_dp_write(ctx, dp); diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 3fc2d0674a..5df97c80fa 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -407,7 +407,6 @@ config XILINX_SPI config ZYNQ_SPI bool "Zynq SPI driver" - depends on ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_VERSAL help Enable the Zynq SPI driver. This driver can be used to access the SPI NOR flash on platforms embedding this Zynq @@ -415,7 +414,6 @@ config ZYNQ_SPI config ZYNQ_QSPI bool "Zynq QSPI driver" - depends on ARCH_ZYNQ imply SPI_FLASH_BAR help Enable the Zynq Quad-SPI (QSPI) driver. This driver can be @@ -425,7 +423,6 @@ config ZYNQ_QSPI config ZYNQMP_GQSPI bool "Configure ZynqMP Generic QSPI" - depends on ARCH_ZYNQMP || ARCH_VERSAL help This option is used to enable ZynqMP QSPI controller driver which is used to communicate with qspi flash devices. diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index fbf9575851..56cb217486 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -22,82 +22,14 @@ #include <malloc.h> #include <asm/io.h> #include <linux/bitops.h> +#include <omap3_spi.h> DECLARE_GLOBAL_DATA_PTR; -#define OMAP4_MCSPI_REG_OFFSET 0x100 - struct omap2_mcspi_platform_config { unsigned int regs_offset; }; -/* per-register bitmasks */ -#define OMAP3_MCSPI_SYSCONFIG_SMARTIDLE (2 << 3) -#define OMAP3_MCSPI_SYSCONFIG_ENAWAKEUP BIT(2) -#define OMAP3_MCSPI_SYSCONFIG_AUTOIDLE BIT(0) -#define OMAP3_MCSPI_SYSCONFIG_SOFTRESET BIT(1) - -#define OMAP3_MCSPI_SYSSTATUS_RESETDONE BIT(0) - -#define OMAP3_MCSPI_MODULCTRL_SINGLE BIT(0) -#define OMAP3_MCSPI_MODULCTRL_MS BIT(2) -#define OMAP3_MCSPI_MODULCTRL_STEST BIT(3) - -#define OMAP3_MCSPI_CHCONF_PHA BIT(0) -#define OMAP3_MCSPI_CHCONF_POL BIT(1) -#define OMAP3_MCSPI_CHCONF_CLKD_MASK GENMASK(5, 2) -#define OMAP3_MCSPI_CHCONF_EPOL BIT(6) -#define OMAP3_MCSPI_CHCONF_WL_MASK GENMASK(11, 7) -#define OMAP3_MCSPI_CHCONF_TRM_RX_ONLY BIT(12) -#define OMAP3_MCSPI_CHCONF_TRM_TX_ONLY BIT(13) -#define OMAP3_MCSPI_CHCONF_TRM_MASK GENMASK(13, 12) -#define OMAP3_MCSPI_CHCONF_DMAW BIT(14) -#define OMAP3_MCSPI_CHCONF_DMAR BIT(15) -#define OMAP3_MCSPI_CHCONF_DPE0 BIT(16) -#define OMAP3_MCSPI_CHCONF_DPE1 BIT(17) -#define OMAP3_MCSPI_CHCONF_IS BIT(18) -#define OMAP3_MCSPI_CHCONF_TURBO BIT(19) -#define OMAP3_MCSPI_CHCONF_FORCE BIT(20) - -#define OMAP3_MCSPI_CHSTAT_RXS BIT(0) -#define OMAP3_MCSPI_CHSTAT_TXS BIT(1) -#define OMAP3_MCSPI_CHSTAT_EOT BIT(2) - -#define OMAP3_MCSPI_CHCTRL_EN BIT(0) -#define OMAP3_MCSPI_CHCTRL_DIS (0 << 0) - -#define OMAP3_MCSPI_WAKEUPENABLE_WKEN BIT(0) -#define MCSPI_PINDIR_D0_IN_D1_OUT 0 -#define MCSPI_PINDIR_D0_OUT_D1_IN 1 - -#define OMAP3_MCSPI_MAX_FREQ 48000000 -#define SPI_WAIT_TIMEOUT 10 - -/* OMAP3 McSPI registers */ -struct mcspi_channel { - unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */ - unsigned int chstat; /* 0x30, 0x44, 0x58, 0x6C */ - unsigned int chctrl; /* 0x34, 0x48, 0x5C, 0x70 */ - unsigned int tx; /* 0x38, 0x4C, 0x60, 0x74 */ - unsigned int rx; /* 0x3C, 0x50, 0x64, 0x78 */ -}; - -struct mcspi { - unsigned char res1[0x10]; - unsigned int sysconfig; /* 0x10 */ - unsigned int sysstatus; /* 0x14 */ - unsigned int irqstatus; /* 0x18 */ - unsigned int irqenable; /* 0x1C */ - unsigned int wakeupenable; /* 0x20 */ - unsigned int syst; /* 0x24 */ - unsigned int modulctrl; /* 0x28 */ - struct mcspi_channel channel[4]; - /* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */ - /* channel1: 0x40 - 0x50, bus 0 & 1 */ - /* channel2: 0x54 - 0x64, bus 0 & 1 */ - /* channel3: 0x68 - 0x78, bus 0 */ -}; - struct omap3_spi_priv { struct mcspi *regs; unsigned int cs; @@ -482,17 +414,10 @@ static int omap3_spi_set_wordlen(struct udevice *dev, unsigned int wordlen) static int omap3_spi_probe(struct udevice *dev) { struct omap3_spi_priv *priv = dev_get_priv(dev); - const void *blob = gd->fdt_blob; - int node = dev_of_offset(dev); - - struct omap2_mcspi_platform_config* data = - (struct omap2_mcspi_platform_config*)dev_get_driver_data(dev); + struct omap3_spi_plat *plat = dev_get_platdata(dev); - priv->regs = (struct mcspi *)(dev_read_addr(dev) + data->regs_offset); - if (fdtdec_get_bool(blob, node, "ti,pindir-d0-out-d1-in")) - priv->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN; - else - priv->pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT; + priv->regs = plat->regs; + priv->pin_dir = plat->pin_dir; priv->wordlen = SPI_DEFAULT_WORDLEN; spi_reset(priv->regs); @@ -544,6 +469,7 @@ static const struct dm_spi_ops omap3_spi_ops = { */ }; +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) static struct omap2_mcspi_platform_config omap2_pdata = { .regs_offset = 0, }; @@ -552,16 +478,37 @@ static struct omap2_mcspi_platform_config omap4_pdata = { .regs_offset = OMAP4_MCSPI_REG_OFFSET, }; +static int omap3_spi_ofdata_to_platdata(struct udevice *dev) +{ + struct omap2_mcspi_platform_config *data = + (struct omap2_mcspi_platform_config *)dev_get_driver_data(dev); + struct omap3_spi_plat *plat = dev_get_platdata(dev); + + plat->regs = (struct mcspi *)(dev_read_addr(dev) + data->regs_offset); + + if (dev_read_bool(dev, "ti,pindir-d0-out-d1-in")) + plat->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN; + else + plat->pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT; + + return 0; +} + static const struct udevice_id omap3_spi_ids[] = { { .compatible = "ti,omap2-mcspi", .data = (ulong)&omap2_pdata }, { .compatible = "ti,omap4-mcspi", .data = (ulong)&omap4_pdata }, { } }; - +#endif U_BOOT_DRIVER(omap3_spi) = { .name = "omap3_spi", .id = UCLASS_SPI, + .flags = DM_FLAG_PRE_RELOC, +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) .of_match = omap3_spi_ids, + .ofdata_to_platdata = omap3_spi_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct omap3_spi_plat), +#endif .probe = omap3_spi_probe, .ops = &omap3_spi_ops, .priv_auto_alloc_size = sizeof(struct omap3_spi_priv), diff --git a/drivers/spi/spi-sunxi.c b/drivers/spi/spi-sunxi.c index cd2e17bfd1..0844a5a0a6 100644 --- a/drivers/spi/spi-sunxi.c +++ b/drivers/spi/spi-sunxi.c @@ -489,19 +489,19 @@ static int sun4i_spi_probe(struct udevice *bus) ret = clk_get_by_name(bus, "ahb", &priv->clk_ahb); if (ret) { - dev_err(dev, "failed to get ahb clock\n"); + dev_err(bus, "failed to get ahb clock\n"); return ret; } ret = clk_get_by_name(bus, "mod", &priv->clk_mod); if (ret) { - dev_err(dev, "failed to get mod clock\n"); + dev_err(bus, "failed to get mod clock\n"); return ret; } ret = reset_get_by_index(bus, 0, &priv->reset); if (ret && ret != -ENOENT) { - dev_err(dev, "failed to get reset\n"); + dev_err(bus, "failed to get reset\n"); return ret; } diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index cffd9cf0b0..55a8eed890 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -497,7 +497,7 @@ UCLASS_DRIVER(spi) = { .id = UCLASS_SPI, .name = "spi", .flags = DM_UC_FLAG_SEQ_ALIAS, -#if !CONFIG_IS_ENABLED(OF_PLATDATA) +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) .post_bind = dm_scan_fdt_dev, #endif .post_probe = spi_post_probe, diff --git a/drivers/spi/zynqmp_gqspi.c b/drivers/spi/zynqmp_gqspi.c index a72986be90..e0e6687037 100644 --- a/drivers/spi/zynqmp_gqspi.c +++ b/drivers/spi/zynqmp_gqspi.c @@ -346,20 +346,20 @@ static int zynqmp_qspi_probe(struct udevice *bus) ret = clk_get_by_index(bus, 0, &clk); if (ret < 0) { - dev_err(dev, "failed to get clock\n"); + dev_err(bus, "failed to get clock\n"); return ret; } clock = clk_get_rate(&clk); if (IS_ERR_VALUE(clock)) { - dev_err(dev, "failed to get rate\n"); + dev_err(bus, "failed to get rate\n"); return clock; } debug("%s: CLK %ld\n", __func__, clock); ret = clk_enable(&clk); if (ret && ret != -ENOSYS) { - dev_err(dev, "failed to enable clock\n"); + dev_err(bus, "failed to enable clock\n"); return ret; } plat->frequency = clock; diff --git a/drivers/sysreset/sysreset-ti-sci.c b/drivers/sysreset/sysreset-ti-sci.c index 3877b9bc12..7707c72bb5 100644 --- a/drivers/sysreset/sysreset-ti-sci.c +++ b/drivers/sysreset/sysreset-ti-sci.c @@ -51,8 +51,7 @@ static int ti_sci_sysreset_request(struct udevice *dev, enum sysreset_t type) ret = cops->reboot_device(sci); if (ret) - dev_err(rst->dev, "%s: reboot_device failed (%d)\n", - __func__, ret); + dev_err(dev, "%s: reboot_device failed (%d)\n", __func__, ret); return ret; } diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig index 637024445c..f8fa4aa71f 100644 --- a/drivers/timer/Kconfig +++ b/drivers/timer/Kconfig @@ -146,8 +146,8 @@ config RISCV_TIMER bool "RISC-V timer support" depends on TIMER && RISCV help - Select this to enable support for the timer as defined - by the RISC-V privileged architecture spec. + Select this to enable support for a generic RISC-V S-Mode timer + driver. config ROCKCHIP_TIMER bool "Rockchip timer support" @@ -213,4 +213,11 @@ config MTK_TIMER Select this to enable support for the timer found on MediaTek devices. +config MCHP_PIT64B_TIMER + bool "Microchip 64-bit periodic interval timer support" + depends on TIMER + help + Select this to enable support for Microchip 64-bit periodic + interval timer. + endmenu diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile index c22ffebcde..3a4d74b996 100644 --- a/drivers/timer/Makefile +++ b/drivers/timer/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_STI_TIMER) += sti-timer.o obj-$(CONFIG_STM32_TIMER) += stm32_timer.o obj-$(CONFIG_X86_TSC_TIMER) += tsc_timer.o obj-$(CONFIG_MTK_TIMER) += mtk_timer.o +obj-$(CONFIG_MCHP_PIT64B_TIMER) += mchp-pit64b-timer.o diff --git a/drivers/timer/mchp-pit64b-timer.c b/drivers/timer/mchp-pit64b-timer.c new file mode 100644 index 0000000000..ead8c9b84a --- /dev/null +++ b/drivers/timer/mchp-pit64b-timer.c @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * 64-bit Periodic Interval Timer driver + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <timer.h> +#include <asm/io.h> + +#define MCHP_PIT64B_CR 0x00 /* Control Register */ +#define MCHP_PIT64B_CR_START BIT(0) +#define MCHP_PIT64B_CR_SWRST BIT(8) +#define MCHP_PIT64B_MR 0x04 /* Mode Register */ +#define MCHP_PIT64B_MR_CONT BIT(0) +#define MCHP_PIT64B_LSB_PR 0x08 /* LSB Period Register */ +#define MCHP_PIT64B_MSB_PR 0x0C /* MSB Period Register */ +#define MCHP_PIT64B_TLSBR 0x20 /* Timer LSB Register */ +#define MCHP_PIT64B_TMSBR 0x24 /* Timer MSB Register */ + +struct mchp_pit64b_priv { + void __iomem *base; +}; + +static int mchp_pit64b_get_count(struct udevice *dev, u64 *count) +{ + struct mchp_pit64b_priv *priv = dev_get_priv(dev); + + u32 lsb = readl(priv->base + MCHP_PIT64B_TLSBR); + u32 msb = readl(priv->base + MCHP_PIT64B_TMSBR); + + *count = ((u64)msb << 32) | lsb; + + return 0; +} + +static int mchp_pit64b_probe(struct udevice *dev) +{ + struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev); + struct mchp_pit64b_priv *priv = dev_get_priv(dev); + struct clk clk; + ulong rate; + int ret; + + priv->base = dev_read_addr_ptr(dev); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + ret = clk_get_by_index(dev, 0, &clk); + if (ret) + return ret; + + ret = clk_enable(&clk); + if (ret) + return ret; + + rate = clk_get_rate(&clk); + if (!rate) { + clk_disable(&clk); + return -ENOTSUPP; + } + + /* Reset the timer in case it was used by previous bootloaders. */ + writel(MCHP_PIT64B_CR_SWRST, priv->base + MCHP_PIT64B_CR); + + /* + * Use highest prescaller (for a peripheral clock running at 200MHz + * this will lead to the timer running at 12.5MHz) and continuous mode. + */ + writel((15 << 8) | MCHP_PIT64B_MR_CONT, priv->base + MCHP_PIT64B_MR); + uc_priv->clock_rate = rate / 16; + + /* + * Simulate free running counter by setting max values to period + * registers. + */ + writel(~0UL, priv->base + MCHP_PIT64B_MSB_PR); + writel(~0UL, priv->base + MCHP_PIT64B_LSB_PR); + + /* Start the timer. */ + writel(MCHP_PIT64B_CR_START, priv->base + MCHP_PIT64B_CR); + + return 0; +} + +static const struct timer_ops mchp_pit64b_ops = { + .get_count = mchp_pit64b_get_count, +}; + +static const struct udevice_id mchp_pit64b_ids[] = { + { .compatible = "microchip,sam9x60-pit64b", }, + { .compatible = "microchip,sama7g5-pit64b", }, + { } +}; + +U_BOOT_DRIVER(mchp_pit64b) = { + .name = "mchp-pit64b", + .id = UCLASS_TIMER, + .of_match = mchp_pit64b_ids, + .priv_auto_alloc_size = sizeof(struct mchp_pit64b_priv), + .probe = mchp_pit64b_probe, + .ops = &mchp_pit64b_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/timer/riscv_timer.c b/drivers/timer/riscv_timer.c index 9f9f070e0b..449fcfcfd5 100644 --- a/drivers/timer/riscv_timer.c +++ b/drivers/timer/riscv_timer.c @@ -1,36 +1,37 @@ // SPDX-License-Identifier: GPL-2.0+ /* + * Copyright (C) 2020, Sean Anderson <seanga2@gmail.com> * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> + * Copyright (C) 2018, Anup Patel <anup@brainfault.org> + * Copyright (C) 2012 Regents of the University of California * - * RISC-V privileged architecture defined generic timer driver + * RISC-V architecturally-defined generic timer driver * - * This driver relies on RISC-V platform codes to provide the essential API - * riscv_get_time() which is supposed to return the timer counter as defined - * by the RISC-V privileged architecture spec. - * - * This driver can be used in both M-mode and S-mode U-Boot. + * This driver provides generic timer support for S-mode U-Boot. */ #include <common.h> #include <dm.h> #include <errno.h> #include <timer.h> -#include <asm/io.h> - -/** - * riscv_get_time() - get the timer counter - * - * Platform codes should provide this API in order to make this driver function. - * - * @time: the 64-bit timer count as defined by the RISC-V privileged - * architecture spec. - * @return: 0 on success, -ve on error. - */ -extern int riscv_get_time(u64 *time); +#include <asm/csr.h> static int riscv_timer_get_count(struct udevice *dev, u64 *count) { - return riscv_get_time(count); + if (IS_ENABLED(CONFIG_64BIT)) { + *count = csr_read(CSR_TIME); + } else { + u32 hi, lo; + + do { + hi = csr_read(CSR_TIMEH); + lo = csr_read(CSR_TIME); + } while (hi != csr_read(CSR_TIMEH)); + + *count = ((u64)hi << 32) | lo; + } + + return 0; } static int riscv_timer_probe(struct udevice *dev) diff --git a/drivers/timer/sandbox_timer.c b/drivers/timer/sandbox_timer.c index 5228486082..6a503c2f15 100644 --- a/drivers/timer/sandbox_timer.c +++ b/drivers/timer/sandbox_timer.c @@ -40,7 +40,9 @@ static int sandbox_timer_probe(struct udevice *dev) { struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev); - if (!uc_priv->clock_rate) + if (dev_read_bool(dev, "sandbox,timebase-frequency-fallback")) + return timer_timebase_fallback(dev); + else if (!uc_priv->clock_rate) uc_priv->clock_rate = SANDBOX_TIMER_RATE; return 0; diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c index 14dde950a1..e9802c8b43 100644 --- a/drivers/timer/timer-uclass.c +++ b/drivers/timer/timer-uclass.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <cpu.h> #include <dm.h> #include <init.h> #include <dm/lists.h> @@ -79,6 +80,36 @@ static int timer_post_probe(struct udevice *dev) return 0; } +/* + * TODO: should be CONFIG_IS_ENABLED(CPU), but the SPL config has _SUPPORT on + * the end... + */ +#if defined(CONFIG_CPU) || defined(CONFIG_SPL_CPU_SUPPORT) +int timer_timebase_fallback(struct udevice *dev) +{ + struct udevice *cpu; + struct cpu_platdata *cpu_plat; + struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev); + + /* Did we get our clock rate from the device tree? */ + if (uc_priv->clock_rate) + return 0; + + /* Fall back to timebase-frequency */ + dev_dbg(dev, "missing clocks or clock-frequency property; falling back on timebase-frequency\n"); + cpu = cpu_get_current_dev(); + if (!cpu) + return -ENODEV; + + cpu_plat = dev_get_parent_platdata(cpu); + if (!cpu_plat) + return -ENODEV; + + uc_priv->clock_rate = cpu_plat->timebase_freq; + return 0; +} +#endif + u64 timer_conv_64(u32 count) { /* increment tbh if tbl has rolled over */ diff --git a/drivers/tpm/cr50_i2c.c b/drivers/tpm/cr50_i2c.c index 1942c07c60..64831a4223 100644 --- a/drivers/tpm/cr50_i2c.c +++ b/drivers/tpm/cr50_i2c.c @@ -14,11 +14,14 @@ #include <log.h> #include <spl.h> #include <tpm-v2.h> +#include <acpi/acpigen.h> +#include <acpi/acpi_device.h> #include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/iomap.h> #include <asm/arch/pm.h> #include <linux/delay.h> +#include <dm/acpi.h> enum { TIMEOUT_INIT_MS = 30000, /* Very long timeout for TPM init */ @@ -581,6 +584,53 @@ static int cr50_i2c_cleanup(struct udevice *dev) return 0; } +static int cr50_acpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx) +{ + char scope[ACPI_PATH_MAX]; + char name[ACPI_NAME_MAX]; + const char *hid; + int ret; + + ret = acpi_device_scope(dev, scope, sizeof(scope)); + if (ret) + return log_msg_ret("scope", ret); + ret = acpi_get_name(dev, name); + if (ret) + return log_msg_ret("name", ret); + + hid = dev_read_string(dev, "acpi,hid"); + if (!hid) + return log_msg_ret("hid", ret); + + /* Device */ + acpigen_write_scope(ctx, scope); + acpigen_write_device(ctx, name); + acpigen_write_name_string(ctx, "_HID", hid); + acpigen_write_name_integer(ctx, "_UID", + dev_read_u32_default(dev, "acpi,uid", 0)); + acpigen_write_name_string(ctx, "_DDN", + dev_read_string(dev, "acpi,ddn")); + acpigen_write_sta(ctx, acpi_device_status(dev)); + + /* Resources */ + acpigen_write_name(ctx, "_CRS"); + acpigen_write_resourcetemplate_header(ctx); + ret = acpi_device_write_i2c_dev(ctx, dev); + if (ret < 0) + return log_msg_ret("i2c", ret); + ret = acpi_device_write_interrupt_or_gpio(ctx, (struct udevice *)dev, + "ready-gpios"); + if (ret < 0) + return log_msg_ret("irq_gpio", ret); + + acpigen_write_resourcetemplate_footer(ctx); + + acpigen_pop_len(ctx); /* Device */ + acpigen_pop_len(ctx); /* Scope */ + + return 0; +} + enum { TPM_TIMEOUT_MS = 5, SHORT_TIMEOUT_MS = 750, @@ -653,6 +703,10 @@ static int cr50_i2c_probe(struct udevice *dev) return 0; } +struct acpi_ops cr50_acpi_ops = { + .fill_ssdt = cr50_acpi_fill_ssdt, +}; + static const struct tpm_ops cr50_i2c_ops = { .open = cr50_i2c_open, .get_desc = cr50_i2c_get_desc, @@ -675,5 +729,6 @@ U_BOOT_DRIVER(cr50_i2c) = { .probe = cr50_i2c_probe, .remove = cr50_i2c_cleanup, .priv_auto_alloc_size = sizeof(struct cr50_priv), + ACPI_OPS_PTR(&cr50_acpi_ops) .flags = DM_FLAG_OS_PREPARE, }; diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c index a08c694559..acff79ae1c 100644 --- a/drivers/usb/cdns3/ep0.c +++ b/drivers/usb/cdns3/ep0.c @@ -11,8 +11,9 @@ */ #include <cpu_func.h> -#include <asm/cache.h> +#include <dm.h> #include <dm/device_compat.h> +#include <asm/cache.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/usb/composite.h> @@ -810,7 +811,7 @@ int cdns3_gadget_ep_set_wedge(struct usb_ep *ep) { struct cdns3_endpoint *priv_ep = ep_to_cdns3_ep(ep); - dev_dbg(priv_dev->dev, "Wedge for %s\n", ep->name); + dev_dbg(priv_ep->cdns3_dev->dev, "Wedge for %s\n", ep->name); cdns3_gadget_ep_set_halt(ep, 1); priv_ep->flags |= EP_WEDGE; diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 8f81d17ec8..83dbb5a103 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -2399,8 +2399,7 @@ static void cdns3_gadget_udc_set_speed(struct usb_gadget *gadget, case USB_SPEED_SUPER: break; default: - dev_err(cdns->dev, "invalid speed parameter %d\n", - speed); + dev_err(priv_dev->dev, "invalid speed parameter %d\n", speed); } priv_dev->gadget.speed = speed; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 8682556589..2e003530a1 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -592,7 +592,7 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) { - dev_err(dev, "failed to initialize gadget\n"); + dev_err(dwc->dev, "failed to initialize gadget\n"); return ret; } break; @@ -600,7 +600,7 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_HOST); ret = dwc3_host_init(dwc); if (ret) { - dev_err(dev, "failed to initialize host\n"); + dev_err(dwc->dev, "failed to initialize host\n"); return ret; } break; @@ -608,18 +608,19 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG); ret = dwc3_host_init(dwc); if (ret) { - dev_err(dev, "failed to initialize host\n"); + dev_err(dwc->dev, "failed to initialize host\n"); return ret; } ret = dwc3_gadget_init(dwc); if (ret) { - dev_err(dev, "failed to initialize gadget\n"); + dev_err(dwc->dev, "failed to initialize gadget\n"); return ret; } break; default: - dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode); + dev_err(dwc->dev, + "Unsupported mode of operation %d\n", dwc->dr_mode); return -EINVAL; } @@ -768,7 +769,7 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev) ret = dwc3_core_init(dwc); if (ret) { - dev_err(dev, "failed to initialize core\n"); + dev_err(dwc->dev, "failed to initialize core\n"); goto err0; } @@ -974,7 +975,7 @@ int dwc3_init(struct dwc3 *dwc) ret = dwc3_core_init(dwc); if (ret) { - dev_err(dev, "failed to initialize core\n"); + dev_err(dwc->dev, "failed to initialize core\n"); goto core_fail; } diff --git a/drivers/usb/dwc3/dwc3-generic.c b/drivers/usb/dwc3/dwc3-generic.c index 551f682024..36fa16ad4e 100644 --- a/drivers/usb/dwc3/dwc3-generic.c +++ b/drivers/usb/dwc3/dwc3-generic.c @@ -10,7 +10,6 @@ #include <common.h> #include <cpu_func.h> #include <log.h> -#include <asm-generic/io.h> #include <dm.h> #include <dm/device-internal.h> #include <dm/lists.h> @@ -449,6 +448,7 @@ static const struct udevice_id dwc3_glue_ids[] = { { .compatible = "ti,am654-dwc3" }, { .compatible = "rockchip,rk3328-dwc3" }, { .compatible = "rockchip,rk3399-dwc3" }, + { .compatible = "qcom,dwc3" }, { } }; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 385bed3e34..75ac993bc6 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -14,6 +14,7 @@ */ #include <common.h> #include <cpu_func.h> +#include <dm.h> #include <dm/device_compat.h> #include <linux/bug.h> #include <linux/kernel.h> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 2aec874e1d..4e68fb0a82 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -17,6 +17,7 @@ #include <cpu_func.h> #include <log.h> #include <malloc.h> +#include <dm.h> #include <dm/device_compat.h> #include <dm/devres.h> #include <linux/bug.h> @@ -633,7 +634,7 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, strlcat(dep->name, "-int", sizeof(dep->name)); break; default: - dev_err(dwc->dev, "invalid endpoint transfer type\n"); + dev_err(dep->dwc->dev, "invalid endpoint transfer type\n"); } spin_lock_irqsave(&dwc->lock, flags); @@ -708,10 +709,9 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, { struct dwc3_trb *trb; - dev_vdbg(dwc->dev, "%s: req %p dma %08llx length %d%s%s\n", - dep->name, req, (unsigned long long) dma, - length, last ? " last" : "", - chain ? " chain" : ""); + dev_vdbg(dep->dwc->dev, "%s: req %p dma %08llx length %d%s%s\n", + dep->name, req, (unsigned long long)dma, + length, last ? " last" : "", chain ? " chain" : ""); trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; @@ -1074,21 +1074,22 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, spin_lock_irqsave(&dwc->lock, flags); if (!dep->endpoint.desc) { - dev_dbg(dwc->dev, "trying to queue request %p to disabled %s\n", - request, ep->name); + dev_dbg(dep->dwc->dev, + "trying to queue request %p to disabled %s\n", request, + ep->name); ret = -ESHUTDOWN; goto out; } if (req->dep != dep) { - WARN(true, "request %p belongs to '%s'\n", - request, req->dep->name); + WARN(true, "request %p belongs to '%s'\n", request, + req->dep->name); ret = -EINVAL; goto out; } - dev_vdbg(dwc->dev, "queing request %p to %s length %d\n", - request, ep->name, request->length); + dev_vdbg(dep->dwc->dev, "queing request %p to %s length %d\n", + request, ep->name, request->length); ret = __dwc3_gadget_ep_queue(dep, req); diff --git a/drivers/usb/dwc3/ti_usb_phy.c b/drivers/usb/dwc3/ti_usb_phy.c index f8ab06482c..f476810763 100644 --- a/drivers/usb/dwc3/ti_usb_phy.c +++ b/drivers/usb/dwc3/ti_usb_phy.c @@ -129,7 +129,7 @@ static struct usb3_dpll_params *ti_usb3_get_dpll_params(struct ti_usb_phy *phy) return &dpll_map->params; } - dev_err(phy->dev, "No DPLL configuration for %lu Hz SYS CLK\n", rate); + log_err("No DPLL configuration for %lu Hz SYS CLK\n", rate); return NULL; } @@ -269,7 +269,7 @@ int ti_usb_phy_uboot_init(struct ti_usb_phy_device *dev) phy = devm_kzalloc(NULL, sizeof(*phy), GFP_KERNEL); if (!phy) { - dev_err(NULL, "unable to alloc mem for TI USB3 PHY\n"); + log_err("unable to alloc mem for TI USB3 PHY\n"); return -ENOMEM; } diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 1c374a7bd8..4eb7b34e24 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -200,8 +200,7 @@ config USB_EHCI_TEGRA config USB_EHCI_ZYNQ bool "Support for Xilinx Zynq on-chip EHCI USB controller" - depends on ARCH_ZYNQ - default y + default y if ARCH_ZYNQ ---help--- Enable support for Zynq on-chip EHCI USB controller diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c index cefe9d83b1..f1d13b1c1d 100644 --- a/drivers/usb/host/dwc2.c +++ b/drivers/usb/host/dwc2.c @@ -114,7 +114,8 @@ static void init_fslspclksel(struct dwc2_core_regs *regs) * @param regs Programming view of DWC_otg controller. * @param num Tx FIFO to flush. */ -static void dwc_otg_flush_tx_fifo(struct dwc2_core_regs *regs, const int num) +static void dwc_otg_flush_tx_fifo(struct udevice *dev, + struct dwc2_core_regs *regs, const int num) { int ret; @@ -134,7 +135,8 @@ static void dwc_otg_flush_tx_fifo(struct dwc2_core_regs *regs, const int num) * * @param regs Programming view of DWC_otg controller. */ -static void dwc_otg_flush_rx_fifo(struct dwc2_core_regs *regs) +static void dwc_otg_flush_rx_fifo(struct udevice *dev, + struct dwc2_core_regs *regs) { int ret; @@ -152,7 +154,8 @@ static void dwc_otg_flush_rx_fifo(struct dwc2_core_regs *regs) * Do core a soft reset of the core. Be careful with this because it * resets all the internal state machines of the core. */ -static void dwc_otg_core_reset(struct dwc2_core_regs *regs) +static void dwc_otg_core_reset(struct udevice *dev, + struct dwc2_core_regs *regs) { int ret; @@ -284,8 +287,8 @@ static void dwc_otg_core_host_init(struct udevice *dev, clrbits_le32(®s->gotgctl, DWC2_GOTGCTL_HSTSETHNPEN); /* Make sure the FIFOs are flushed. */ - dwc_otg_flush_tx_fifo(regs, 0x10); /* All Tx FIFOs */ - dwc_otg_flush_rx_fifo(regs); + dwc_otg_flush_tx_fifo(dev, regs, 0x10); /* All Tx FIFOs */ + dwc_otg_flush_rx_fifo(dev, regs); /* Flush out any leftover queued requests. */ num_channels = readl(®s->ghwcfg2); @@ -306,7 +309,7 @@ static void dwc_otg_core_host_init(struct udevice *dev, ret = wait_for_bit_le32(®s->hc_regs[i].hcchar, DWC2_HCCHAR_CHEN, false, 1000, false); if (ret) - dev_info("%s: Timeout!\n", __func__); + dev_info(dev, "%s: Timeout!\n", __func__); } /* Turn on the vbus power. */ @@ -330,8 +333,9 @@ static void dwc_otg_core_host_init(struct udevice *dev, * * @param regs Programming view of the DWC_otg controller */ -static void dwc_otg_core_init(struct dwc2_priv *priv) +static void dwc_otg_core_init(struct udevice *dev) { + struct dwc2_priv *priv = dev_get_priv(dev); struct dwc2_core_regs *regs = priv->regs; uint32_t ahbcfg = 0; uint32_t usbcfg = 0; @@ -360,7 +364,7 @@ static void dwc_otg_core_init(struct dwc2_priv *priv) writel(usbcfg, ®s->gusbcfg); /* Reset the Controller */ - dwc_otg_core_reset(regs); + dwc_otg_core_reset(dev, regs); /* * This programming sequence needs to happen in FS mode before @@ -372,7 +376,7 @@ static void dwc_otg_core_init(struct dwc2_priv *priv) setbits_le32(®s->gusbcfg, DWC2_GUSBCFG_PHYSEL); /* Reset after a PHY select */ - dwc_otg_core_reset(regs); + dwc_otg_core_reset(dev, regs); /* * Program DCFG.DevSpd or HCFG.FSLSPclkSel to 48Mhz in FS. @@ -419,7 +423,7 @@ static void dwc_otg_core_init(struct dwc2_priv *priv) writel(usbcfg, ®s->gusbcfg); /* Reset after setting the PHY parameters */ - dwc_otg_core_reset(regs); + dwc_otg_core_reset(dev, regs); #endif usbcfg = readl(®s->gusbcfg); @@ -1128,7 +1132,12 @@ int _submit_int_msg(struct dwc2_priv *priv, struct usb_device *dev, timeout = get_timer(0) + USB_TIMEOUT_MS(pipe); for (;;) { if (get_timer(0) > timeout) { - dev_err(dev, "Timeout poll on interrupt endpoint\n"); +#if CONFIG_IS_ENABLED(DM_USB) + dev_err(dev->dev, + "Timeout poll on interrupt endpoint\n"); +#else + log_err("Timeout poll on interrupt endpoint\n"); +#endif return -ETIMEDOUT; } ret = _submit_bulk_msg(priv, dev, pipe, buffer, len); @@ -1194,7 +1203,7 @@ static int dwc2_init_common(struct udevice *dev, struct dwc2_priv *priv) priv->ext_vbus = 0; #endif - dwc_otg_core_init(priv); + dwc_otg_core_init(dev); dwc_otg_core_host_init(dev, regs); clrsetbits_le32(®s->hprt0, DWC2_HPRT0_PRTENA | @@ -1320,12 +1329,10 @@ static int dwc2_submit_int_msg(struct udevice *dev, struct usb_device *udev, static int dwc2_usb_ofdata_to_platdata(struct udevice *dev) { struct dwc2_priv *priv = dev_get_priv(dev); - fdt_addr_t addr; - addr = dev_read_addr(dev); - if (addr == FDT_ADDR_T_NONE) + priv->regs = dev_read_addr_ptr(dev); + if (!priv->regs) return -EINVAL; - priv->regs = (struct dwc2_core_regs *)addr; priv->oc_disable = dev_read_bool(dev, "disable-over-current"); priv->hnp_srp_disable = dev_read_bool(dev, "hnp-srp-disable"); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index f79f06320b..8933f60843 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1762,13 +1762,13 @@ int ehci_setup_phy(struct udevice *dev, struct phy *phy, int index) } else { ret = generic_phy_init(phy); if (ret) { - dev_err(dev, "failed to init usb phy\n"); + dev_dbg(dev, "failed to init usb phy\n"); return ret; } ret = generic_phy_power_on(phy); if (ret) { - dev_err(dev, "failed to power on usb phy\n"); + dev_dbg(dev, "failed to power on usb phy\n"); return generic_phy_exit(phy); } } @@ -1786,13 +1786,13 @@ int ehci_shutdown_phy(struct udevice *dev, struct phy *phy) if (generic_phy_valid(phy)) { ret = generic_phy_power_off(phy); if (ret) { - dev_err(dev, "failed to power off usb phy\n"); + dev_dbg(dev, "failed to power off usb phy\n"); return ret; } ret = generic_phy_exit(phy); if (ret) { - dev_err(dev, "failed to power off usb phy\n"); + dev_dbg(dev, "failed to power off usb phy\n"); return ret; } } diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c index b84bf8ac0f..ed5e500b2c 100644 --- a/drivers/usb/host/ohci-generic.c +++ b/drivers/usb/host/ohci-generic.c @@ -41,13 +41,13 @@ static int ohci_setup_phy(struct udevice *dev, int index) } else { ret = generic_phy_init(&priv->phy); if (ret) { - dev_err(dev, "failed to init usb phy\n"); + dev_dbg(dev, "failed to init usb phy\n"); return ret; } ret = generic_phy_power_on(&priv->phy); if (ret) { - dev_err(dev, "failed to power on usb phy\n"); + dev_dbg(dev, "failed to power on usb phy\n"); return generic_phy_exit(&priv->phy); } } @@ -63,13 +63,13 @@ static int ohci_shutdown_phy(struct udevice *dev) if (generic_phy_valid(&priv->phy)) { ret = generic_phy_power_off(&priv->phy); if (ret) { - dev_err(dev, "failed to power off usb phy\n"); + dev_dbg(dev, "failed to power off usb phy\n"); return ret; } ret = generic_phy_exit(&priv->phy); if (ret) { - dev_err(dev, "failed to power off usb phy\n"); + dev_dbg(dev, "failed to power off usb phy\n"); return ret; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 1da0524aa0..0b49614995 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -236,8 +236,7 @@ static void xhci_link_segments(struct xhci_segment *prev, */ val = le32_to_cpu(prev->trbs[TRBS_PER_SEGMENT-1].link.control); val &= ~TRB_TYPE_BITMASK; - val |= (TRB_LINK << TRB_TYPE_SHIFT); - + val |= TRB_TYPE(TRB_LINK); prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val); } } @@ -826,25 +825,22 @@ void xhci_setup_addressable_virt_dev(struct xhci_ctrl *ctrl, /* Step 4 - ring already allocated */ /* Step 5 */ - ep0_ctx->ep_info2 = cpu_to_le32(CTRL_EP << EP_TYPE_SHIFT); + ep0_ctx->ep_info2 = cpu_to_le32(EP_TYPE(CTRL_EP)); debug("SPEED = %d\n", speed); switch (speed) { case USB_SPEED_SUPER: - ep0_ctx->ep_info2 |= cpu_to_le32(((512 & MAX_PACKET_MASK) << - MAX_PACKET_SHIFT)); + ep0_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(512)); debug("Setting Packet size = 512bytes\n"); break; case USB_SPEED_HIGH: /* USB core guesses at a 64-byte max packet first for FS devices */ case USB_SPEED_FULL: - ep0_ctx->ep_info2 |= cpu_to_le32(((64 & MAX_PACKET_MASK) << - MAX_PACKET_SHIFT)); + ep0_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(64)); debug("Setting Packet size = 64bytes\n"); break; case USB_SPEED_LOW: - ep0_ctx->ep_info2 |= cpu_to_le32(((8 & MAX_PACKET_MASK) << - MAX_PACKET_SHIFT)); + ep0_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(8)); debug("Setting Packet size = 8bytes\n"); break; default: @@ -853,9 +849,7 @@ void xhci_setup_addressable_virt_dev(struct xhci_ctrl *ctrl, } /* EP 0 can handle "burst" sizes of 1, so Max Burst Size field is 0 */ - ep0_ctx->ep_info2 |= - cpu_to_le32(((0 & MAX_BURST_MASK) << MAX_BURST_SHIFT) | - ((3 & ERROR_COUNT_MASK) << ERROR_COUNT_SHIFT)); + ep0_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(0) | ERROR_COUNT(3)); trb_64 = virt_to_phys(virt_dev->eps[0].ring->first_seg->trbs); ep0_ctx->deq = cpu_to_le64(trb_64 | virt_dev->eps[0].ring->cycle_state); diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 8ff71854fc..f3f181dae0 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -258,6 +258,7 @@ static int xhci_mtk_probe(struct udevice *dev) if (ret) goto ssusb_init_err; + mtk->ctrl.quirks = XHCI_MTK_HOST; hcor = (struct xhci_hcor *)((uintptr_t)mtk->hcd + HC_LENGTH(xhci_readl(&mtk->hcd->cr_capbase))); diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 8fc51df3d1..5379dba566 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -146,6 +146,7 @@ static int xhci_rcar_ofdata_to_platdata(struct udevice *dev) } static const struct udevice_id xhci_rcar_ids[] = { + { .compatible = "renesas,rcar-gen3-xhci" }, { .compatible = "renesas,xhci-r8a7795" }, { .compatible = "renesas,xhci-r8a7796" }, { .compatible = "renesas,xhci-r8a77965" }, diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 092ed6eaf1..b118207d93 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -298,55 +298,57 @@ void xhci_queue_command(struct xhci_ctrl *ctrl, u8 *ptr, u32 slot_id, xhci_writel(&ctrl->dba->doorbell[0], DB_VALUE_HOST); } -/** - * The TD size is the number of bytes remaining in the TD (including this TRB), - * right shifted by 10. - * It must fit in bits 21:17, so it can't be bigger than 31. +/* + * For xHCI 1.0 host controllers, TD size is the number of max packet sized + * packets remaining in the TD (*not* including this TRB). * - * @param remainder remaining packets to be sent - * @return remainder if remainder is less than max else max - */ -static u32 xhci_td_remainder(unsigned int remainder) -{ - u32 max = (1 << (21 - 17 + 1)) - 1; - - if ((remainder >> 10) >= max) - return max << 17; - else - return (remainder >> 10) << 17; -} - -/** - * Finds out the remanining packets to be sent + * Total TD packet count = total_packet_count = + * DIV_ROUND_UP(TD size in bytes / wMaxPacketSize) + * + * Packets transferred up to and including this TRB = packets_transferred = + * rounddown(total bytes transferred including this TRB / wMaxPacketSize) + * + * TD size = total_packet_count - packets_transferred + * + * For xHCI 0.96 and older, TD size field should be the remaining bytes + * including this TRB, right shifted by 10 * - * @param running_total total size sent so far + * For all hosts it must fit in bits 21:17, so it can't be bigger than 31. + * This is taken care of in the TRB_TD_SIZE() macro + * + * The last TRB in a TD must have the TD size set to zero. + * + * @param ctrl host controller data structure + * @param transferred total size sent so far * @param trb_buff_len length of the TRB Buffer - * @param total_packet_count total packet count - * @param maxpacketsize max packet size of current pipe - * @param num_trbs_left number of TRBs left to be processed - * @return 0 if running_total or trb_buff_len is 0, else remainder + * @param td_total_len total packet count + * @param maxp max packet size of current pipe + * @param more_trbs_coming indicate last trb in TD + * @return remainder */ -static u32 xhci_v1_0_td_remainder(int running_total, - int trb_buff_len, - unsigned int total_packet_count, - int maxpacketsize, - unsigned int num_trbs_left) +static u32 xhci_td_remainder(struct xhci_ctrl *ctrl, int transferred, + int trb_buff_len, unsigned int td_total_len, + int maxp, bool more_trbs_coming) { - int packets_transferred; + u32 total_packet_count; + + /* MTK xHCI 0.96 contains some features from 1.0 */ + if (ctrl->hci_version < 0x100 && !(ctrl->quirks & XHCI_MTK_HOST)) + return ((td_total_len - transferred) >> 10); /* One TRB with a zero-length data packet. */ - if (num_trbs_left == 0 || (running_total == 0 && trb_buff_len == 0)) + if (!more_trbs_coming || (transferred == 0 && trb_buff_len == 0) || + trb_buff_len == td_total_len) return 0; - /* - * All the TRB queueing functions don't count the current TRB in - * running_total. - */ - packets_transferred = (running_total + trb_buff_len) / maxpacketsize; + /* for MTK xHCI 0.96, TD size include this TRB, but not in 1.x */ + if ((ctrl->quirks & XHCI_MTK_HOST) && (ctrl->hci_version < 0x100)) + trb_buff_len = 0; + + total_packet_count = DIV_ROUND_UP(td_total_len, maxp); - if ((total_packet_count - packets_transferred) > 31) - return 31 << 17; - return (total_packet_count - packets_transferred) << 17; + /* Queueing functions don't count the current TRB into transferred */ + return (total_packet_count - ((transferred + trb_buff_len) / maxp)); } /** @@ -572,7 +574,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, union xhci_trb *event; int running_total, trb_buff_len; - unsigned int total_packet_count; + bool more_trbs_coming = true; int maxpacketsize; u64 addr; int ret; @@ -636,8 +638,6 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, running_total = 0; maxpacketsize = usb_maxpacket(udev, pipe); - total_packet_count = DIV_ROUND_UP(length, maxpacketsize); - /* How much data is in the first TRB? */ /* * How much data is (potentially) left before the 64KB boundary? @@ -672,34 +672,30 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, * Chain all the TRBs together; clear the chain bit in the last * TRB to indicate it's the last TRB in the chain. */ - if (num_trbs > 1) + if (num_trbs > 1) { field |= TRB_CHAIN; - else + } else { field |= TRB_IOC; + more_trbs_coming = false; + } /* Only set interrupt on short packet for IN endpoints */ if (usb_pipein(pipe)) field |= TRB_ISP; /* Set the TRB length, TD size, and interrupter fields. */ - if (HC_VERSION(xhci_readl(&ctrl->hccr->cr_capbase)) < 0x100) - remainder = xhci_td_remainder(length - running_total); - else - remainder = xhci_v1_0_td_remainder(running_total, - trb_buff_len, - total_packet_count, - maxpacketsize, - num_trbs - 1); + remainder = xhci_td_remainder(ctrl, running_total, trb_buff_len, + length, maxpacketsize, + more_trbs_coming); - length_field = ((trb_buff_len & TRB_LEN_MASK) | - remainder | - ((0 & TRB_INTR_TARGET_MASK) << - TRB_INTR_TARGET_SHIFT)); + length_field = (TRB_LEN(trb_buff_len) | + TRB_TD_SIZE(remainder) | + TRB_INTR_TARGET(0)); trb_fields[0] = lower_32_bits(addr); trb_fields[1] = upper_32_bits(addr); trb_fields[2] = length_field; - trb_fields[3] = field | (TRB_NORMAL << TRB_TYPE_SHIFT); + trb_fields[3] = field | TRB_TYPE(TRB_NORMAL); queue_trb(ctrl, ring, (num_trbs > 1), trb_fields); @@ -764,6 +760,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, struct xhci_virt_device *virt_dev = ctrl->devs[slot_id]; struct xhci_ring *ep_ring; union xhci_trb *event; + u32 remainder; debug("req=%u (%#x), type=%u (%#x), value=%u (%#x), index=%u\n", req->request, req->request, @@ -825,17 +822,17 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, /* Queue setup TRB - see section 6.4.1.2.1 */ /* FIXME better way to translate setup_packet into two u32 fields? */ field = 0; - field |= TRB_IDT | (TRB_SETUP << TRB_TYPE_SHIFT); + field |= TRB_IDT | TRB_TYPE(TRB_SETUP); if (start_cycle == 0) field |= 0x1; /* xHCI 1.0 6.4.1.2.1: Transfer Type field */ - if (HC_VERSION(xhci_readl(&ctrl->hccr->cr_capbase)) >= 0x100) { + if (ctrl->hci_version >= 0x100 || ctrl->quirks & XHCI_MTK_HOST) { if (length > 0) { if (req->requesttype & USB_DIR_IN) - field |= (TRB_DATA_IN << TRB_TX_TYPE_SHIFT); + field |= TRB_TX_TYPE(TRB_DATA_IN); else - field |= (TRB_DATA_OUT << TRB_TX_TYPE_SHIFT); + field |= TRB_TX_TYPE(TRB_DATA_OUT); } } @@ -851,8 +848,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, trb_fields[1] = le16_to_cpu(req->index) | le16_to_cpu(req->length) << 16; /* TRB_LEN | (TRB_INTR_TARGET) */ - trb_fields[2] = (8 | ((0 & TRB_INTR_TARGET_MASK) << - TRB_INTR_TARGET_SHIFT)); + trb_fields[2] = (TRB_LEN(8) | TRB_INTR_TARGET(0)); /* Immediate data in pointer */ trb_fields[3] = field; queue_trb(ctrl, ep_ring, true, trb_fields); @@ -862,16 +858,18 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, /* If there's data, queue data TRBs */ /* Only set interrupt on short packet for IN endpoints */ if (usb_pipein(pipe)) - field = TRB_ISP | (TRB_DATA << TRB_TYPE_SHIFT); + field = TRB_ISP | TRB_TYPE(TRB_DATA); else - field = (TRB_DATA << TRB_TYPE_SHIFT); + field = TRB_TYPE(TRB_DATA); - length_field = (length & TRB_LEN_MASK) | xhci_td_remainder(length) | - ((0 & TRB_INTR_TARGET_MASK) << TRB_INTR_TARGET_SHIFT); + remainder = xhci_td_remainder(ctrl, 0, length, length, + usb_maxpacket(udev, pipe), true); + length_field = TRB_LEN(length) | TRB_TD_SIZE(remainder) | + TRB_INTR_TARGET(0); debug("length_field = %d, length = %d," "xhci_td_remainder(length) = %d , TRB_INTR_TARGET(0) = %d\n", - length_field, (length & TRB_LEN_MASK), - xhci_td_remainder(length), 0); + length_field, TRB_LEN(length), + TRB_TD_SIZE(remainder), 0); if (length > 0) { if (req->requesttype & USB_DIR_IN) @@ -901,11 +899,10 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe, trb_fields[0] = 0; trb_fields[1] = 0; - trb_fields[2] = ((0 & TRB_INTR_TARGET_MASK) << TRB_INTR_TARGET_SHIFT); + trb_fields[2] = TRB_INTR_TARGET(0); /* Event on completion */ trb_fields[3] = field | TRB_IOC | - (TRB_STATUS << TRB_TYPE_SHIFT) | - ep_ring->cycle_state; + TRB_TYPE(TRB_STATUS) | ep_ring->cycle_state; queue_trb(ctrl, ep_ring, false, trb_fields); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 126dabc11b..3547a9bad1 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -33,6 +33,7 @@ #include <linux/bug.h> #include <linux/delay.h> #include <linux/errno.h> +#include <linux/iopoll.h> #include <usb/xhci.h> #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT @@ -143,23 +144,19 @@ struct xhci_ctrl *xhci_get_ctrl(struct usb_device *udev) * @param usec time to wait till * @return 0 if handshake is success else < 0 on failure */ -static int handshake(uint32_t volatile *ptr, uint32_t mask, - uint32_t done, int usec) +static int +handshake(uint32_t volatile *ptr, uint32_t mask, uint32_t done, int usec) { uint32_t result; + int ret; + + ret = readx_poll_sleep_timeout(xhci_readl, ptr, result, + (result & mask) == done || result == U32_MAX, + 1, usec); + if (result == U32_MAX) /* card removed */ + return -ENODEV; - do { - result = xhci_readl(ptr); - if (result == ~(uint32_t)0) - return -ENODEV; - result &= mask; - if (result == done) - return 0; - usec--; - udelay(1); - } while (usec > 0); - - return -ETIMEDOUT; + return ret; } /** @@ -618,8 +615,7 @@ static int xhci_set_configuration(struct usb_device *udev) cpu_to_le32(EP_MAX_ESIT_PAYLOAD_HI(max_esit_payload) | EP_INTERVAL(interval) | EP_MULT(mult)); - ep_ctx[ep_index]->ep_info2 = - cpu_to_le32(ep_type << EP_TYPE_SHIFT); + ep_ctx[ep_index]->ep_info2 = cpu_to_le32(EP_TYPE(ep_type)); ep_ctx[ep_index]->ep_info2 |= cpu_to_le32(MAX_PACKET (get_unaligned(&endpt_desc->wMaxPacketSize))); @@ -650,7 +646,7 @@ static int xhci_set_configuration(struct usb_device *udev) * are put into reserved DWs in Slot and Endpoint Contexts * for synchronous endpoints. */ - if (IS_ENABLED(CONFIG_USB_XHCI_MTK)) { + if (ctrl->quirks & XHCI_MTK_HOST) { ep_ctx[ep_index]->reserved[0] = cpu_to_le32(EP_BPKTS(1) | EP_BBM(1)); } @@ -832,8 +828,7 @@ int xhci_check_maxpacket(struct usb_device *udev) ctrl->devs[slot_id]->out_ctx, ep_index); in_ctx = ctrl->devs[slot_id]->in_ctx; ep_ctx = xhci_get_ep_ctx(ctrl, in_ctx, ep_index); - ep_ctx->ep_info2 &= cpu_to_le32(~((0xffff & MAX_PACKET_MASK) - << MAX_PACKET_SHIFT)); + ep_ctx->ep_info2 &= cpu_to_le32(~MAX_PACKET(MAX_PACKET_MASK)); ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet_size)); /* @@ -1257,8 +1252,7 @@ static int xhci_lowlevel_init(struct xhci_ctrl *ctrl) return -ENOMEM; reg = xhci_readl(&hccr->cr_hcsparams1); - descriptor.hub.bNbrPorts = ((reg & HCS_MAX_PORTS_MASK) >> - HCS_MAX_PORTS_SHIFT); + descriptor.hub.bNbrPorts = HCS_MAX_PORTS(reg); printf("Register %x NbrPorts %d\n", reg, descriptor.hub.bNbrPorts); /* Port Indicators */ @@ -1283,6 +1277,7 @@ static int xhci_lowlevel_init(struct xhci_ctrl *ctrl) reg = HC_VERSION(xhci_readl(&hccr->cr_capbase)); printf("USB XHCI %x.%02x\n", reg >> 8, reg & 0xff); + ctrl->hci_version = reg; return 0; } diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index 53c336fc3f..187db7794b 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -257,7 +257,7 @@ static int sunxi_musb_enable(struct musb *musb) ret = generic_phy_power_on(&glue->phy); if (ret) { - pr_err("failed to power on USB PHY\n"); + pr_debug("failed to power on USB PHY\n"); return ret; } } @@ -281,7 +281,7 @@ static void sunxi_musb_disable(struct musb *musb) if (is_host_enabled(musb)) { ret = generic_phy_power_off(&glue->phy); if (ret) { - pr_err("failed to power off USB PHY\n"); + pr_debug("failed to power off USB PHY\n"); return; } } @@ -301,21 +301,21 @@ static int sunxi_musb_init(struct musb *musb) ret = clk_enable(&glue->clk); if (ret) { - dev_err(dev, "failed to enable clock\n"); + dev_err(musb->controller, "failed to enable clock\n"); return ret; } if (reset_valid(&glue->rst)) { ret = reset_deassert(&glue->rst); if (ret) { - dev_err(dev, "failed to deassert reset\n"); + dev_err(musb->controller, "failed to deassert reset\n"); goto err_clk; } } ret = generic_phy_init(&glue->phy); if (ret) { - dev_err(dev, "failed to init USB PHY\n"); + dev_dbg(musb->controller, "failed to init USB PHY\n"); goto err_rst; } @@ -352,7 +352,8 @@ static int sunxi_musb_exit(struct musb *musb) if (generic_phy_valid(&glue->phy)) { ret = generic_phy_exit(&glue->phy); if (ret) { - dev_err(dev, "failed to power off usb phy\n"); + dev_dbg(musb->controller, + "failed to power off usb phy\n"); return ret; } } diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c index badade353e..3f07f4eb29 100644 --- a/drivers/video/cfb_console.c +++ b/drivers/video/cfb_console.c @@ -1983,8 +1983,6 @@ static void *video_logo(void) static int cfb_fb_is_in_dram(void) { struct bd_info *bd = gd->bd; -#if defined(CONFIG_ARM) || defined(CONFIG_NDS32) || \ -defined(CONFIG_SANDBOX) || defined(CONFIG_X86) ulong start, end; int i; @@ -1995,11 +1993,7 @@ defined(CONFIG_SANDBOX) || defined(CONFIG_X86) (ulong)video_fb_address < end) return 1; } -#else - if ((ulong)video_fb_address >= bd->bi_memstart && - (ulong)video_fb_address < bd->bi_memstart + bd->bi_memsize) - return 1; -#endif + return 0; } diff --git a/drivers/video/dw_mipi_dsi.c b/drivers/video/dw_mipi_dsi.c index b7bfbb5e50..2743836fb4 100644 --- a/drivers/video/dw_mipi_dsi.c +++ b/drivers/video/dw_mipi_dsi.c @@ -314,7 +314,8 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val) val, !(val & GEN_CMD_FULL), CMD_PKT_STATUS_TIMEOUT_US); if (ret) { - dev_err(dsi->dev, "failed to get available command FIFO\n"); + dev_err(dsi->dsi_host.dev, + "failed to get available command FIFO\n"); return ret; } @@ -325,7 +326,7 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val) val, (val & mask) == mask, CMD_PKT_STATUS_TIMEOUT_US); if (ret) { - dev_err(dsi->dev, "failed to write command FIFO\n"); + dev_err(dsi->dsi_host.dev, "failed to write command FIFO\n"); return ret; } @@ -357,7 +358,7 @@ static int dw_mipi_dsi_write(struct dw_mipi_dsi *dsi, val, !(val & GEN_PLD_W_FULL), CMD_PKT_STATUS_TIMEOUT_US); if (ret) { - dev_err(dsi->dev, + dev_err(dsi->dsi_host.dev, "failed to get available write payload FIFO\n"); return ret; } @@ -380,7 +381,7 @@ static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi, val, !(val & GEN_RD_CMD_BUSY), CMD_PKT_STATUS_TIMEOUT_US); if (ret) { - dev_err(dsi->dev, "Timeout during read operation\n"); + dev_err(dsi->dsi_host.dev, "Timeout during read operation\n"); return ret; } @@ -390,7 +391,8 @@ static int dw_mipi_dsi_read(struct dw_mipi_dsi *dsi, val, !(val & GEN_PLD_R_EMPTY), CMD_PKT_STATUS_TIMEOUT_US); if (ret) { - dev_err(dsi->dev, "Read payload FIFO is empty\n"); + dev_err(dsi->dsi_host.dev, + "Read payload FIFO is empty\n"); return ret; } @@ -411,7 +413,7 @@ static ssize_t dw_mipi_dsi_host_transfer(struct mipi_dsi_host *host, ret = mipi_dsi_create_packet(&packet, msg); if (ret) { - dev_err(dsi->dev, "failed to create packet: %d\n", ret); + dev_err(host->dev, "failed to create packet: %d\n", ret); return ret; } @@ -702,13 +704,15 @@ static void dw_mipi_dsi_dphy_enable(struct dw_mipi_dsi *dsi) ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, val, val & PHY_LOCK, PHY_STATUS_TIMEOUT_US); if (ret) - dev_warn(dsi->dev, "failed to wait phy lock state\n"); + dev_warn(dsi->dsi_host.dev, + "failed to wait phy lock state\n"); ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS, val, val & PHY_STOP_STATE_CLK_LANE, PHY_STATUS_TIMEOUT_US); if (ret) - dev_warn(dsi->dev, "failed to wait phy clk lane stop state\n"); + dev_warn(dsi->dsi_host.dev, + "failed to wait phy clk lane stop state\n"); } static void dw_mipi_dsi_clear_err(struct dw_mipi_dsi *dsi) @@ -729,7 +733,7 @@ static void dw_mipi_dsi_bridge_set(struct dw_mipi_dsi *dsi, ret = phy_ops->get_lane_mbps(dsi->device, timings, device->lanes, device->format, &dsi->lane_mbps); if (ret) - dev_warn(dsi->dev, "Phy get_lane_mbps() failed\n"); + dev_warn(dsi->dsi_host.dev, "Phy get_lane_mbps() failed\n"); dw_mipi_dsi_init_pll(dsi); dw_mipi_dsi_dpi_config(dsi, timings); @@ -748,7 +752,7 @@ static void dw_mipi_dsi_bridge_set(struct dw_mipi_dsi *dsi, ret = phy_ops->init(dsi->device); if (ret) - dev_warn(dsi->dev, "Phy init() failed\n"); + dev_warn(dsi->dsi_host.dev, "Phy init() failed\n"); dw_mipi_dsi_dphy_enable(dsi); diff --git a/drivers/video/stm32/stm32_dsi.c b/drivers/video/stm32/stm32_dsi.c index 283151398b..9d5abacc2b 100644 --- a/drivers/video/stm32/stm32_dsi.c +++ b/drivers/video/stm32/stm32_dsi.c @@ -359,8 +359,7 @@ static int stm32_dsi_attach(struct udevice *dev) ret = panel_get_display_timing(priv->panel, &timings); if (ret) { - ret = fdtdec_decode_display_timing(gd->fdt_blob, - dev_of_offset(priv->panel), + ret = ofnode_decode_display_timing(dev_ofnode(priv->panel), 0, &timings); if (ret) { dev_err(dev, "decode display timing error %d\n", ret); diff --git a/drivers/video/stm32/stm32_ltdc.c b/drivers/video/stm32/stm32_ltdc.c index 2f3427a32e..7fff735930 100644 --- a/drivers/video/stm32/stm32_ltdc.c +++ b/drivers/video/stm32/stm32_ltdc.c @@ -366,8 +366,7 @@ static int stm32_ltdc_probe(struct udevice *dev) ret = panel_get_display_timing(panel, &timings); if (ret) { - ret = fdtdec_decode_display_timing(gd->fdt_blob, - dev_of_offset(panel), + ret = ofnode_decode_display_timing(dev_ofnode(panel), 0, &timings); if (ret) { dev_err(dev, "decode display timing error %d\n", ret); |