diff options
Diffstat (limited to 'drivers')
43 files changed, 2266 insertions, 56 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index 5e3b122769..8c53e05d2f 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += ddr/fsl/ obj-$(CONFIG_ARMADA_38X) += ddr/marvell/a38x/ obj-$(CONFIG_ARMADA_XP) += ddr/marvell/axp/ obj-$(CONFIG_ALTERA_SDRAM) += ddr/altera/ +obj-$(CONFIG_ARCH_IMX8M) += ddr/imx/imx8m/ obj-$(CONFIG_SPL_POWER_SUPPORT) += power/ power/pmic/ obj-$(CONFIG_SPL_POWER_SUPPORT) += power/regulator/ obj-$(CONFIG_SPL_POWER_DOMAIN) += power/domain/ diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c index 9e087b6bd2..487b43ebda 100644 --- a/drivers/clk/uniphier/clk-uniphier-sys.c +++ b/drivers/clk/uniphier/clk-uniphier-sys.c @@ -6,13 +6,12 @@ #include "clk-uniphier.h" -/* Denali driver requires clk_x rate (clk: 50MHz, clk_x & ecc_clk: 200MHz) */ #define UNIPHIER_LD4_SYS_CLK_NAND(_id) \ - UNIPHIER_CLK_RATE(128, 200000000), \ + UNIPHIER_CLK_RATE(128, 50000000), \ UNIPHIER_CLK_GATE((_id), 128, 0x2104, 2) #define UNIPHIER_LD11_SYS_CLK_NAND(_id) \ - UNIPHIER_CLK_RATE(128, 200000000), \ + UNIPHIER_CLK_RATE(128, 50000000), \ UNIPHIER_CLK_GATE((_id), 128, 0x210c, 0) const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = { @@ -20,6 +19,7 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = { defined(CONFIG_ARCH_UNIPHIER_PRO4) || defined(CONFIG_ARCH_UNIPHIER_PRO5) ||\ defined(CONFIG_ARCH_UNIPHIER_PXS2) || defined(CONFIG_ARCH_UNIPHIER_LD6B) UNIPHIER_LD4_SYS_CLK_NAND(2), + UNIPHIER_CLK_RATE(3, 200000000), UNIPHIER_CLK_GATE_SIMPLE(6, 0x2104, 12), /* ether (Pro4, PXs2) */ UNIPHIER_CLK_GATE_SIMPLE(7, 0x2104, 5), /* ether-gb (Pro4) */ UNIPHIER_CLK_GATE_SIMPLE(8, 0x2104, 10), /* stdmac */ @@ -36,6 +36,7 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = { const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = { #if defined(CONFIG_ARCH_UNIPHIER_LD11) || defined(CONFIG_ARCH_UNIPHIER_LD20) UNIPHIER_LD11_SYS_CLK_NAND(2), + UNIPHIER_CLK_RATE(3, 200000000), UNIPHIER_CLK_GATE_SIMPLE(6, 0x210c, 6), /* ether */ UNIPHIER_CLK_GATE_SIMPLE(8, 0x210c, 8), /* stdmac */ UNIPHIER_CLK_GATE_SIMPLE(14, 0x210c, 14), /* usb30 (LD20) */ @@ -48,6 +49,7 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = { const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = { #if defined(CONFIG_ARCH_UNIPHIER_PXS3) UNIPHIER_LD11_SYS_CLK_NAND(2), + UNIPHIER_CLK_RATE(3, 200000000), UNIPHIER_CLK_GATE_SIMPLE(6, 0x210c, 9), /* ether0 */ UNIPHIER_CLK_GATE_SIMPLE(7, 0x210c, 10), /* ether1 */ UNIPHIER_CLK_GATE_SIMPLE(12, 0x210c, 4), /* usb30 (gio0) */ diff --git a/drivers/ddr/Kconfig b/drivers/ddr/Kconfig index b764add060..d4b393d25e 100644 --- a/drivers/ddr/Kconfig +++ b/drivers/ddr/Kconfig @@ -1 +1,2 @@ source "drivers/ddr/altera/Kconfig" +source "drivers/ddr/imx/Kconfig" diff --git a/drivers/ddr/imx/Kconfig b/drivers/ddr/imx/Kconfig new file mode 100644 index 0000000000..7e06fb2f7d --- /dev/null +++ b/drivers/ddr/imx/Kconfig @@ -0,0 +1 @@ +source "drivers/ddr/imx/imx8m/Kconfig" diff --git a/drivers/ddr/imx/imx8m/Kconfig b/drivers/ddr/imx/imx8m/Kconfig new file mode 100644 index 0000000000..71f466f5ec --- /dev/null +++ b/drivers/ddr/imx/imx8m/Kconfig @@ -0,0 +1,22 @@ +config IMX8M_DRAM + bool "imx8m dram" + +config IMX8M_LPDDR4 + bool "imx8m lpddr4" + select IMX8M_DRAM + help + Select the i.MX8M LPDDR4 driver support on i.MX8M SOC. + +config IMX8M_DDR4 + bool "imx8m ddr4" + select IMX8M_DRAM + help + Select the i.MX8M DDR4 driver support on i.MX8M SOC. + +config SAVED_DRAM_TIMING_BASE + hex "Define the base address for saved dram timing" + help + after DRAM is trained, need to save the dram related timming + info into memory for low power use. OCRAM_S is used for this + purpose on i.MX8MM. + default 0x180000 diff --git a/drivers/ddr/imx/imx8m/Makefile b/drivers/ddr/imx/imx8m/Makefile new file mode 100644 index 0000000000..64f9ab20e6 --- /dev/null +++ b/drivers/ddr/imx/imx8m/Makefile @@ -0,0 +1,11 @@ +# +# Copyright 2018 NXP +# +# SPDX-License-Identifier: GPL-2.0+ +# + +ifdef CONFIG_SPL_BUILD +obj-$(CONFIG_IMX8M_DRAM) += helper.o ddrphy_utils.o ddrphy_train.o ddrphy_csr.o +obj-$(CONFIG_IMX8M_LPDDR4) += lpddr4_init.o +obj-$(CONFIG_IMX8M_DDR4) += ddr4_init.o +endif diff --git a/drivers/ddr/imx/imx8m/ddr4_init.c b/drivers/ddr/imx/imx8m/ddr4_init.c new file mode 100644 index 0000000000..031cdc57e1 --- /dev/null +++ b/drivers/ddr/imx/imx8m/ddr4_init.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <errno.h> +#include <asm/io.h> +#include <asm/arch/ddr.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx8m_ddr.h> +#include <asm/arch/sys_proto.h> + +void ddr4_cfg_umctl2(struct dram_cfg_param *ddrc_cfg, int num) +{ + int i = 0; + + for (i = 0; i < num; i++) { + reg32_write(ddrc_cfg->reg, ddrc_cfg->val); + ddrc_cfg++; + } +} + +void ddr_init(struct dram_timing_info *dram_timing) +{ + volatile unsigned int tmp_t; + /* + * assert [0]ddr1_preset_n, [1]ddr1_core_reset_n, + * [2]ddr1_phy_reset, [3]ddr1_phy_pwrokin_n, + * [4]src_system_rst_b! + */ + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F00003F); + /* deassert [4]src_system_rst_b! */ + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F00000F); + + /* + * change the clock source of dram_apb_clk_root + * to source 4 --800MHz/4 + */ + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(4) | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV4)); + + dram_pll_init(DRAM_PLL_OUT_600M); + + reg32_write(0x303A00EC, 0x0000ffff); /* PGC_CPU_MAPPING */ + reg32setbit(0x303A00F8, 5); /* PU_PGC_SW_PUP_REQ */ + + /* release [0]ddr1_preset_n, [3]ddr1_phy_pwrokin_n */ + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000006); + + reg32_write(DDRC_DBG1(0), 0x00000001); + reg32_write(DDRC_PWRCTL(0), 0x00000001); + + while (0 != (0x7 & reg32_read(DDRC_STAT(0)))) + ; + + /* config the uMCTL2's registers */ + ddr4_cfg_umctl2(dram_timing->ddrc_cfg, dram_timing->ddrc_cfg_num); + + reg32_write(DDRC_RFSHCTL3(0), 0x00000001); + /* RESET: <ctn> DEASSERTED */ + /* RESET: <a Port 0 DEASSERTED(0) */ + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000004); + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000000); + + reg32_write(DDRC_DBG1(0), 0x00000000); + reg32_write(DDRC_PWRCTL(0), 0x00000aa); + reg32_write(DDRC_SWCTL(0), 0x00000000); + + reg32_write(DDRC_DFIMISC(0), 0x00000000); + + /* config the DDR PHY's registers */ + ddr_cfg_phy(dram_timing); + + do { + tmp_t = reg32_read(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + + 4 * 0x00020097); + } while (tmp_t != 0); + + reg32_write(DDRC_DFIMISC(0), 0x00000020); + + /* wait DFISTAT.dfi_init_complete to 1 */ + while (0 == (0x1 & reg32_read(DDRC_DFISTAT(0)))) + ; + + /* clear DFIMISC.dfi_init_complete_en */ + reg32_write(DDRC_DFIMISC(0), 0x00000000); + /* set DFIMISC.dfi_init_complete_en again */ + reg32_write(DDRC_DFIMISC(0), 0x00000001); + reg32_write(DDRC_PWRCTL(0), 0x0000088); + + /* + * set SWCTL.sw_done to enable quasi-dynamic register + * programming outside reset. + */ + reg32_write(DDRC_SWCTL(0), 0x00000001); + /* wait SWSTAT.sw_done_ack to 1 */ + while (0 == (0x1 & reg32_read(DDRC_SWSTAT(0)))) + ; + + /* wait STAT to normal state */ + while (0x1 != (0x7 & reg32_read(DDRC_STAT(0)))) + ; + + reg32_write(DDRC_PWRCTL(0), 0x0000088); + reg32_write(DDRC_PCTRL_0(0), 0x00000001); + /* dis_auto-refresh is set to 0 */ + reg32_write(DDRC_RFSHCTL3(0), 0x00000000); + + /* save the dram timing config into memory */ + dram_config_save(dram_timing, CONFIG_SAVED_DRAM_TIMING_BASE); +} diff --git a/drivers/ddr/imx/imx8m/ddrphy_csr.c b/drivers/ddr/imx/imx8m/ddrphy_csr.c new file mode 100644 index 0000000000..67dd4e7059 --- /dev/null +++ b/drivers/ddr/imx/imx8m/ddrphy_csr.c @@ -0,0 +1,732 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <linux/kernel.h> +#include <asm/arch/ddr.h> + +/* ddr phy trained csr */ +struct dram_cfg_param ddrphy_trained_csr[] = { + { 0x200b2, 0x0 }, + { 0x1200b2, 0x0 }, + { 0x2200b2, 0x0 }, + { 0x200cb, 0x0 }, + { 0x10043, 0x0 }, + { 0x110043, 0x0 }, + { 0x210043, 0x0 }, + { 0x10143, 0x0 }, + { 0x110143, 0x0 }, + { 0x210143, 0x0 }, + { 0x11043, 0x0 }, + { 0x111043, 0x0 }, + { 0x211043, 0x0 }, + { 0x11143, 0x0 }, + { 0x111143, 0x0 }, + { 0x211143, 0x0 }, + { 0x12043, 0x0 }, + { 0x112043, 0x0 }, + { 0x212043, 0x0 }, + { 0x12143, 0x0 }, + { 0x112143, 0x0 }, + { 0x212143, 0x0 }, + { 0x13043, 0x0 }, + { 0x113043, 0x0 }, + { 0x213043, 0x0 }, + { 0x13143, 0x0 }, + { 0x113143, 0x0 }, + { 0x213143, 0x0 }, + { 0x80, 0x0 }, + { 0x100080, 0x0 }, + { 0x200080, 0x0 }, + { 0x1080, 0x0 }, + { 0x101080, 0x0 }, + { 0x201080, 0x0 }, + { 0x2080, 0x0 }, + { 0x102080, 0x0 }, + { 0x202080, 0x0 }, + { 0x3080, 0x0 }, + { 0x103080, 0x0 }, + { 0x203080, 0x0 }, + { 0x4080, 0x0 }, + { 0x104080, 0x0 }, + { 0x204080, 0x0 }, + { 0x5080, 0x0 }, + { 0x105080, 0x0 }, + { 0x205080, 0x0 }, + { 0x6080, 0x0 }, + { 0x106080, 0x0 }, + { 0x206080, 0x0 }, + { 0x7080, 0x0 }, + { 0x107080, 0x0 }, + { 0x207080, 0x0 }, + { 0x8080, 0x0 }, + { 0x108080, 0x0 }, + { 0x208080, 0x0 }, + { 0x9080, 0x0 }, + { 0x109080, 0x0 }, + { 0x209080, 0x0 }, + { 0x10080, 0x0 }, + { 0x110080, 0x0 }, + { 0x210080, 0x0 }, + { 0x10180, 0x0 }, + { 0x110180, 0x0 }, + { 0x210180, 0x0 }, + { 0x11080, 0x0 }, + { 0x111080, 0x0 }, + { 0x211080, 0x0 }, + { 0x11180, 0x0 }, + { 0x111180, 0x0 }, + { 0x211180, 0x0 }, + { 0x12080, 0x0 }, + { 0x112080, 0x0 }, + { 0x212080, 0x0 }, + { 0x12180, 0x0 }, + { 0x112180, 0x0 }, + { 0x212180, 0x0 }, + { 0x13080, 0x0 }, + { 0x113080, 0x0 }, + { 0x213080, 0x0 }, + { 0x13180, 0x0 }, + { 0x113180, 0x0 }, + { 0x213180, 0x0 }, + { 0x10081, 0x0 }, + { 0x110081, 0x0 }, + { 0x210081, 0x0 }, + { 0x10181, 0x0 }, + { 0x110181, 0x0 }, + { 0x210181, 0x0 }, + { 0x11081, 0x0 }, + { 0x111081, 0x0 }, + { 0x211081, 0x0 }, + { 0x11181, 0x0 }, + { 0x111181, 0x0 }, + { 0x211181, 0x0 }, + { 0x12081, 0x0 }, + { 0x112081, 0x0 }, + { 0x212081, 0x0 }, + { 0x12181, 0x0 }, + { 0x112181, 0x0 }, + { 0x212181, 0x0 }, + { 0x13081, 0x0 }, + { 0x113081, 0x0 }, + { 0x213081, 0x0 }, + { 0x13181, 0x0 }, + { 0x113181, 0x0 }, + { 0x213181, 0x0 }, + { 0x100d0, 0x0 }, + { 0x1100d0, 0x0 }, + { 0x2100d0, 0x0 }, + { 0x101d0, 0x0 }, + { 0x1101d0, 0x0 }, + { 0x2101d0, 0x0 }, + { 0x110d0, 0x0 }, + { 0x1110d0, 0x0 }, + { 0x2110d0, 0x0 }, + { 0x111d0, 0x0 }, + { 0x1111d0, 0x0 }, + { 0x2111d0, 0x0 }, + { 0x120d0, 0x0 }, + { 0x1120d0, 0x0 }, + { 0x2120d0, 0x0 }, + { 0x121d0, 0x0 }, + { 0x1121d0, 0x0 }, + { 0x2121d0, 0x0 }, + { 0x130d0, 0x0 }, + { 0x1130d0, 0x0 }, + { 0x2130d0, 0x0 }, + { 0x131d0, 0x0 }, + { 0x1131d0, 0x0 }, + { 0x2131d0, 0x0 }, + { 0x100d1, 0x0 }, + { 0x1100d1, 0x0 }, + { 0x2100d1, 0x0 }, + { 0x101d1, 0x0 }, + { 0x1101d1, 0x0 }, + { 0x2101d1, 0x0 }, + { 0x110d1, 0x0 }, + { 0x1110d1, 0x0 }, + { 0x2110d1, 0x0 }, + { 0x111d1, 0x0 }, + { 0x1111d1, 0x0 }, + { 0x2111d1, 0x0 }, + { 0x120d1, 0x0 }, + { 0x1120d1, 0x0 }, + { 0x2120d1, 0x0 }, + { 0x121d1, 0x0 }, + { 0x1121d1, 0x0 }, + { 0x2121d1, 0x0 }, + { 0x130d1, 0x0 }, + { 0x1130d1, 0x0 }, + { 0x2130d1, 0x0 }, + { 0x131d1, 0x0 }, + { 0x1131d1, 0x0 }, + { 0x2131d1, 0x0 }, + { 0x10068, 0x0 }, + { 0x10168, 0x0 }, + { 0x10268, 0x0 }, + { 0x10368, 0x0 }, + { 0x10468, 0x0 }, + { 0x10568, 0x0 }, + { 0x10668, 0x0 }, + { 0x10768, 0x0 }, + { 0x10868, 0x0 }, + { 0x11068, 0x0 }, + { 0x11168, 0x0 }, + { 0x11268, 0x0 }, + { 0x11368, 0x0 }, + { 0x11468, 0x0 }, + { 0x11568, 0x0 }, + { 0x11668, 0x0 }, + { 0x11768, 0x0 }, + { 0x11868, 0x0 }, + { 0x12068, 0x0 }, + { 0x12168, 0x0 }, + { 0x12268, 0x0 }, + { 0x12368, 0x0 }, + { 0x12468, 0x0 }, + { 0x12568, 0x0 }, + { 0x12668, 0x0 }, + { 0x12768, 0x0 }, + { 0x12868, 0x0 }, + { 0x13068, 0x0 }, + { 0x13168, 0x0 }, + { 0x13268, 0x0 }, + { 0x13368, 0x0 }, + { 0x13468, 0x0 }, + { 0x13568, 0x0 }, + { 0x13668, 0x0 }, + { 0x13768, 0x0 }, + { 0x13868, 0x0 }, + { 0x10069, 0x0 }, + { 0x10169, 0x0 }, + { 0x10269, 0x0 }, + { 0x10369, 0x0 }, + { 0x10469, 0x0 }, + { 0x10569, 0x0 }, + { 0x10669, 0x0 }, + { 0x10769, 0x0 }, + { 0x10869, 0x0 }, + { 0x11069, 0x0 }, + { 0x11169, 0x0 }, + { 0x11269, 0x0 }, + { 0x11369, 0x0 }, + { 0x11469, 0x0 }, + { 0x11569, 0x0 }, + { 0x11669, 0x0 }, + { 0x11769, 0x0 }, + { 0x11869, 0x0 }, + { 0x12069, 0x0 }, + { 0x12169, 0x0 }, + { 0x12269, 0x0 }, + { 0x12369, 0x0 }, + { 0x12469, 0x0 }, + { 0x12569, 0x0 }, + { 0x12669, 0x0 }, + { 0x12769, 0x0 }, + { 0x12869, 0x0 }, + { 0x13069, 0x0 }, + { 0x13169, 0x0 }, + { 0x13269, 0x0 }, + { 0x13369, 0x0 }, + { 0x13469, 0x0 }, + { 0x13569, 0x0 }, + { 0x13669, 0x0 }, + { 0x13769, 0x0 }, + { 0x13869, 0x0 }, + { 0x1008c, 0x0 }, + { 0x11008c, 0x0 }, + { 0x21008c, 0x0 }, + { 0x1018c, 0x0 }, + { 0x11018c, 0x0 }, + { 0x21018c, 0x0 }, + { 0x1108c, 0x0 }, + { 0x11108c, 0x0 }, + { 0x21108c, 0x0 }, + { 0x1118c, 0x0 }, + { 0x11118c, 0x0 }, + { 0x21118c, 0x0 }, + { 0x1208c, 0x0 }, + { 0x11208c, 0x0 }, + { 0x21208c, 0x0 }, + { 0x1218c, 0x0 }, + { 0x11218c, 0x0 }, + { 0x21218c, 0x0 }, + { 0x1308c, 0x0 }, + { 0x11308c, 0x0 }, + { 0x21308c, 0x0 }, + { 0x1318c, 0x0 }, + { 0x11318c, 0x0 }, + { 0x21318c, 0x0 }, + { 0x1008d, 0x0 }, + { 0x11008d, 0x0 }, + { 0x21008d, 0x0 }, + { 0x1018d, 0x0 }, + { 0x11018d, 0x0 }, + { 0x21018d, 0x0 }, + { 0x1108d, 0x0 }, + { 0x11108d, 0x0 }, + { 0x21108d, 0x0 }, + { 0x1118d, 0x0 }, + { 0x11118d, 0x0 }, + { 0x21118d, 0x0 }, + { 0x1208d, 0x0 }, + { 0x11208d, 0x0 }, + { 0x21208d, 0x0 }, + { 0x1218d, 0x0 }, + { 0x11218d, 0x0 }, + { 0x21218d, 0x0 }, + { 0x1308d, 0x0 }, + { 0x11308d, 0x0 }, + { 0x21308d, 0x0 }, + { 0x1318d, 0x0 }, + { 0x11318d, 0x0 }, + { 0x21318d, 0x0 }, + { 0x100c0, 0x0 }, + { 0x1100c0, 0x0 }, + { 0x2100c0, 0x0 }, + { 0x101c0, 0x0 }, + { 0x1101c0, 0x0 }, + { 0x2101c0, 0x0 }, + { 0x102c0, 0x0 }, + { 0x1102c0, 0x0 }, + { 0x2102c0, 0x0 }, + { 0x103c0, 0x0 }, + { 0x1103c0, 0x0 }, + { 0x2103c0, 0x0 }, + { 0x104c0, 0x0 }, + { 0x1104c0, 0x0 }, + { 0x2104c0, 0x0 }, + { 0x105c0, 0x0 }, + { 0x1105c0, 0x0 }, + { 0x2105c0, 0x0 }, + { 0x106c0, 0x0 }, + { 0x1106c0, 0x0 }, + { 0x2106c0, 0x0 }, + { 0x107c0, 0x0 }, + { 0x1107c0, 0x0 }, + { 0x2107c0, 0x0 }, + { 0x108c0, 0x0 }, + { 0x1108c0, 0x0 }, + { 0x2108c0, 0x0 }, + { 0x110c0, 0x0 }, + { 0x1110c0, 0x0 }, + { 0x2110c0, 0x0 }, + { 0x111c0, 0x0 }, + { 0x1111c0, 0x0 }, + { 0x2111c0, 0x0 }, + { 0x112c0, 0x0 }, + { 0x1112c0, 0x0 }, + { 0x2112c0, 0x0 }, + { 0x113c0, 0x0 }, + { 0x1113c0, 0x0 }, + { 0x2113c0, 0x0 }, + { 0x114c0, 0x0 }, + { 0x1114c0, 0x0 }, + { 0x2114c0, 0x0 }, + { 0x115c0, 0x0 }, + { 0x1115c0, 0x0 }, + { 0x2115c0, 0x0 }, + { 0x116c0, 0x0 }, + { 0x1116c0, 0x0 }, + { 0x2116c0, 0x0 }, + { 0x117c0, 0x0 }, + { 0x1117c0, 0x0 }, + { 0x2117c0, 0x0 }, + { 0x118c0, 0x0 }, + { 0x1118c0, 0x0 }, + { 0x2118c0, 0x0 }, + { 0x120c0, 0x0 }, + { 0x1120c0, 0x0 }, + { 0x2120c0, 0x0 }, + { 0x121c0, 0x0 }, + { 0x1121c0, 0x0 }, + { 0x2121c0, 0x0 }, + { 0x122c0, 0x0 }, + { 0x1122c0, 0x0 }, + { 0x2122c0, 0x0 }, + { 0x123c0, 0x0 }, + { 0x1123c0, 0x0 }, + { 0x2123c0, 0x0 }, + { 0x124c0, 0x0 }, + { 0x1124c0, 0x0 }, + { 0x2124c0, 0x0 }, + { 0x125c0, 0x0 }, + { 0x1125c0, 0x0 }, + { 0x2125c0, 0x0 }, + { 0x126c0, 0x0 }, + { 0x1126c0, 0x0 }, + { 0x2126c0, 0x0 }, + { 0x127c0, 0x0 }, + { 0x1127c0, 0x0 }, + { 0x2127c0, 0x0 }, + { 0x128c0, 0x0 }, + { 0x1128c0, 0x0 }, + { 0x2128c0, 0x0 }, + { 0x130c0, 0x0 }, + { 0x1130c0, 0x0 }, + { 0x2130c0, 0x0 }, + { 0x131c0, 0x0 }, + { 0x1131c0, 0x0 }, + { 0x2131c0, 0x0 }, + { 0x132c0, 0x0 }, + { 0x1132c0, 0x0 }, + { 0x2132c0, 0x0 }, + { 0x133c0, 0x0 }, + { 0x1133c0, 0x0 }, + { 0x2133c0, 0x0 }, + { 0x134c0, 0x0 }, + { 0x1134c0, 0x0 }, + { 0x2134c0, 0x0 }, + { 0x135c0, 0x0 }, + { 0x1135c0, 0x0 }, + { 0x2135c0, 0x0 }, + { 0x136c0, 0x0 }, + { 0x1136c0, 0x0 }, + { 0x2136c0, 0x0 }, + { 0x137c0, 0x0 }, + { 0x1137c0, 0x0 }, + { 0x2137c0, 0x0 }, + { 0x138c0, 0x0 }, + { 0x1138c0, 0x0 }, + { 0x2138c0, 0x0 }, + { 0x100c1, 0x0 }, + { 0x1100c1, 0x0 }, + { 0x2100c1, 0x0 }, + { 0x101c1, 0x0 }, + { 0x1101c1, 0x0 }, + { 0x2101c1, 0x0 }, + { 0x102c1, 0x0 }, + { 0x1102c1, 0x0 }, + { 0x2102c1, 0x0 }, + { 0x103c1, 0x0 }, + { 0x1103c1, 0x0 }, + { 0x2103c1, 0x0 }, + { 0x104c1, 0x0 }, + { 0x1104c1, 0x0 }, + { 0x2104c1, 0x0 }, + { 0x105c1, 0x0 }, + { 0x1105c1, 0x0 }, + { 0x2105c1, 0x0 }, + { 0x106c1, 0x0 }, + { 0x1106c1, 0x0 }, + { 0x2106c1, 0x0 }, + { 0x107c1, 0x0 }, + { 0x1107c1, 0x0 }, + { 0x2107c1, 0x0 }, + { 0x108c1, 0x0 }, + { 0x1108c1, 0x0 }, + { 0x2108c1, 0x0 }, + { 0x110c1, 0x0 }, + { 0x1110c1, 0x0 }, + { 0x2110c1, 0x0 }, + { 0x111c1, 0x0 }, + { 0x1111c1, 0x0 }, + { 0x2111c1, 0x0 }, + { 0x112c1, 0x0 }, + { 0x1112c1, 0x0 }, + { 0x2112c1, 0x0 }, + { 0x113c1, 0x0 }, + { 0x1113c1, 0x0 }, + { 0x2113c1, 0x0 }, + { 0x114c1, 0x0 }, + { 0x1114c1, 0x0 }, + { 0x2114c1, 0x0 }, + { 0x115c1, 0x0 }, + { 0x1115c1, 0x0 }, + { 0x2115c1, 0x0 }, + { 0x116c1, 0x0 }, + { 0x1116c1, 0x0 }, + { 0x2116c1, 0x0 }, + { 0x117c1, 0x0 }, + { 0x1117c1, 0x0 }, + { 0x2117c1, 0x0 }, + { 0x118c1, 0x0 }, + { 0x1118c1, 0x0 }, + { 0x2118c1, 0x0 }, + { 0x120c1, 0x0 }, + { 0x1120c1, 0x0 }, + { 0x2120c1, 0x0 }, + { 0x121c1, 0x0 }, + { 0x1121c1, 0x0 }, + { 0x2121c1, 0x0 }, + { 0x122c1, 0x0 }, + { 0x1122c1, 0x0 }, + { 0x2122c1, 0x0 }, + { 0x123c1, 0x0 }, + { 0x1123c1, 0x0 }, + { 0x2123c1, 0x0 }, + { 0x124c1, 0x0 }, + { 0x1124c1, 0x0 }, + { 0x2124c1, 0x0 }, + { 0x125c1, 0x0 }, + { 0x1125c1, 0x0 }, + { 0x2125c1, 0x0 }, + { 0x126c1, 0x0 }, + { 0x1126c1, 0x0 }, + { 0x2126c1, 0x0 }, + { 0x127c1, 0x0 }, + { 0x1127c1, 0x0 }, + { 0x2127c1, 0x0 }, + { 0x128c1, 0x0 }, + { 0x1128c1, 0x0 }, + { 0x2128c1, 0x0 }, + { 0x130c1, 0x0 }, + { 0x1130c1, 0x0 }, + { 0x2130c1, 0x0 }, + { 0x131c1, 0x0 }, + { 0x1131c1, 0x0 }, + { 0x2131c1, 0x0 }, + { 0x132c1, 0x0 }, + { 0x1132c1, 0x0 }, + { 0x2132c1, 0x0 }, + { 0x133c1, 0x0 }, + { 0x1133c1, 0x0 }, + { 0x2133c1, 0x0 }, + { 0x134c1, 0x0 }, + { 0x1134c1, 0x0 }, + { 0x2134c1, 0x0 }, + { 0x135c1, 0x0 }, + { 0x1135c1, 0x0 }, + { 0x2135c1, 0x0 }, + { 0x136c1, 0x0 }, + { 0x1136c1, 0x0 }, + { 0x2136c1, 0x0 }, + { 0x137c1, 0x0 }, + { 0x1137c1, 0x0 }, + { 0x2137c1, 0x0 }, + { 0x138c1, 0x0 }, + { 0x1138c1, 0x0 }, + { 0x2138c1, 0x0 }, + { 0x10020, 0x0 }, + { 0x110020, 0x0 }, + { 0x210020, 0x0 }, + { 0x11020, 0x0 }, + { 0x111020, 0x0 }, + { 0x211020, 0x0 }, + { 0x12020, 0x0 }, + { 0x112020, 0x0 }, + { 0x212020, 0x0 }, + { 0x13020, 0x0 }, + { 0x113020, 0x0 }, + { 0x213020, 0x0 }, + { 0x20072, 0x0 }, + { 0x20073, 0x0 }, + { 0x20074, 0x0 }, + { 0x100aa, 0x0 }, + { 0x110aa, 0x0 }, + { 0x120aa, 0x0 }, + { 0x130aa, 0x0 }, + { 0x20010, 0x0 }, + { 0x120010, 0x0 }, + { 0x220010, 0x0 }, + { 0x20011, 0x0 }, + { 0x120011, 0x0 }, + { 0x220011, 0x0 }, + { 0x100ae, 0x0 }, + { 0x1100ae, 0x0 }, + { 0x2100ae, 0x0 }, + { 0x100af, 0x0 }, + { 0x1100af, 0x0 }, + { 0x2100af, 0x0 }, + { 0x110ae, 0x0 }, + { 0x1110ae, 0x0 }, + { 0x2110ae, 0x0 }, + { 0x110af, 0x0 }, + { 0x1110af, 0x0 }, + { 0x2110af, 0x0 }, + { 0x120ae, 0x0 }, + { 0x1120ae, 0x0 }, + { 0x2120ae, 0x0 }, + { 0x120af, 0x0 }, + { 0x1120af, 0x0 }, + { 0x2120af, 0x0 }, + { 0x130ae, 0x0 }, + { 0x1130ae, 0x0 }, + { 0x2130ae, 0x0 }, + { 0x130af, 0x0 }, + { 0x1130af, 0x0 }, + { 0x2130af, 0x0 }, + { 0x20020, 0x0 }, + { 0x120020, 0x0 }, + { 0x220020, 0x0 }, + { 0x100a0, 0x0 }, + { 0x100a1, 0x0 }, + { 0x100a2, 0x0 }, + { 0x100a3, 0x0 }, + { 0x100a4, 0x0 }, + { 0x100a5, 0x0 }, + { 0x100a6, 0x0 }, + { 0x100a7, 0x0 }, + { 0x110a0, 0x0 }, + { 0x110a1, 0x0 }, + { 0x110a2, 0x0 }, + { 0x110a3, 0x0 }, + { 0x110a4, 0x0 }, + { 0x110a5, 0x0 }, + { 0x110a6, 0x0 }, + { 0x110a7, 0x0 }, + { 0x120a0, 0x0 }, + { 0x120a1, 0x0 }, + { 0x120a2, 0x0 }, + { 0x120a3, 0x0 }, + { 0x120a4, 0x0 }, + { 0x120a5, 0x0 }, + { 0x120a6, 0x0 }, + { 0x120a7, 0x0 }, + { 0x130a0, 0x0 }, + { 0x130a1, 0x0 }, + { 0x130a2, 0x0 }, + { 0x130a3, 0x0 }, + { 0x130a4, 0x0 }, + { 0x130a5, 0x0 }, + { 0x130a6, 0x0 }, + { 0x130a7, 0x0 }, + { 0x2007c, 0x0 }, + { 0x12007c, 0x0 }, + { 0x22007c, 0x0 }, + { 0x2007d, 0x0 }, + { 0x12007d, 0x0 }, + { 0x22007d, 0x0 }, + { 0x400fd, 0x0 }, + { 0x400c0, 0x0 }, + { 0x90201, 0x0 }, + { 0x190201, 0x0 }, + { 0x290201, 0x0 }, + { 0x90202, 0x0 }, + { 0x190202, 0x0 }, + { 0x290202, 0x0 }, + { 0x90203, 0x0 }, + { 0x190203, 0x0 }, + { 0x290203, 0x0 }, + { 0x90204, 0x0 }, + { 0x190204, 0x0 }, + { 0x290204, 0x0 }, + { 0x90205, 0x0 }, + { 0x190205, 0x0 }, + { 0x290205, 0x0 }, + { 0x90206, 0x0 }, + { 0x190206, 0x0 }, + { 0x290206, 0x0 }, + { 0x90207, 0x0 }, + { 0x190207, 0x0 }, + { 0x290207, 0x0 }, + { 0x90208, 0x0 }, + { 0x190208, 0x0 }, + { 0x290208, 0x0 }, + { 0x10062, 0x0 }, + { 0x10162, 0x0 }, + { 0x10262, 0x0 }, + { 0x10362, 0x0 }, + { 0x10462, 0x0 }, + { 0x10562, 0x0 }, + { 0x10662, 0x0 }, + { 0x10762, 0x0 }, + { 0x10862, 0x0 }, + { 0x11062, 0x0 }, + { 0x11162, 0x0 }, + { 0x11262, 0x0 }, + { 0x11362, 0x0 }, + { 0x11462, 0x0 }, + { 0x11562, 0x0 }, + { 0x11662, 0x0 }, + { 0x11762, 0x0 }, + { 0x11862, 0x0 }, + { 0x12062, 0x0 }, + { 0x12162, 0x0 }, + { 0x12262, 0x0 }, + { 0x12362, 0x0 }, + { 0x12462, 0x0 }, + { 0x12562, 0x0 }, + { 0x12662, 0x0 }, + { 0x12762, 0x0 }, + { 0x12862, 0x0 }, + { 0x13062, 0x0 }, + { 0x13162, 0x0 }, + { 0x13262, 0x0 }, + { 0x13362, 0x0 }, + { 0x13462, 0x0 }, + { 0x13562, 0x0 }, + { 0x13662, 0x0 }, + { 0x13762, 0x0 }, + { 0x13862, 0x0 }, + { 0x20077, 0x0 }, + { 0x10001, 0x0 }, + { 0x11001, 0x0 }, + { 0x12001, 0x0 }, + { 0x13001, 0x0 }, + { 0x10040, 0x0 }, + { 0x10140, 0x0 }, + { 0x10240, 0x0 }, + { 0x10340, 0x0 }, + { 0x10440, 0x0 }, + { 0x10540, 0x0 }, + { 0x10640, 0x0 }, + { 0x10740, 0x0 }, + { 0x10840, 0x0 }, + { 0x10030, 0x0 }, + { 0x10130, 0x0 }, + { 0x10230, 0x0 }, + { 0x10330, 0x0 }, + { 0x10430, 0x0 }, + { 0x10530, 0x0 }, + { 0x10630, 0x0 }, + { 0x10730, 0x0 }, + { 0x10830, 0x0 }, + { 0x11040, 0x0 }, + { 0x11140, 0x0 }, + { 0x11240, 0x0 }, + { 0x11340, 0x0 }, + { 0x11440, 0x0 }, + { 0x11540, 0x0 }, + { 0x11640, 0x0 }, + { 0x11740, 0x0 }, + { 0x11840, 0x0 }, + { 0x11030, 0x0 }, + { 0x11130, 0x0 }, + { 0x11230, 0x0 }, + { 0x11330, 0x0 }, + { 0x11430, 0x0 }, + { 0x11530, 0x0 }, + { 0x11630, 0x0 }, + { 0x11730, 0x0 }, + { 0x11830, 0x0 }, + { 0x12040, 0x0 }, + { 0x12140, 0x0 }, + { 0x12240, 0x0 }, + { 0x12340, 0x0 }, + { 0x12440, 0x0 }, + { 0x12540, 0x0 }, + { 0x12640, 0x0 }, + { 0x12740, 0x0 }, + { 0x12840, 0x0 }, + { 0x12030, 0x0 }, + { 0x12130, 0x0 }, + { 0x12230, 0x0 }, + { 0x12330, 0x0 }, + { 0x12430, 0x0 }, + { 0x12530, 0x0 }, + { 0x12630, 0x0 }, + { 0x12730, 0x0 }, + { 0x12830, 0x0 }, + { 0x13040, 0x0 }, + { 0x13140, 0x0 }, + { 0x13240, 0x0 }, + { 0x13340, 0x0 }, + { 0x13440, 0x0 }, + { 0x13540, 0x0 }, + { 0x13640, 0x0 }, + { 0x13740, 0x0 }, + { 0x13840, 0x0 }, + { 0x13030, 0x0 }, + { 0x13130, 0x0 }, + { 0x13230, 0x0 }, + { 0x13330, 0x0 }, + { 0x13430, 0x0 }, + { 0x13530, 0x0 }, + { 0x13630, 0x0 }, + { 0x13730, 0x0 }, + { 0x13830, 0x0 }, +}; + +uint32_t ddrphy_trained_csr_num = ARRAY_SIZE(ddrphy_trained_csr); diff --git a/drivers/ddr/imx/imx8m/ddrphy_train.c b/drivers/ddr/imx/imx8m/ddrphy_train.c new file mode 100644 index 0000000000..18f7ed7fea --- /dev/null +++ b/drivers/ddr/imx/imx8m/ddrphy_train.c @@ -0,0 +1,86 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <linux/kernel.h> +#include <asm/arch/ddr.h> +#include <asm/arch/lpddr4_define.h> + +void ddr_cfg_phy(struct dram_timing_info *dram_timing) +{ + struct dram_cfg_param *dram_cfg; + struct dram_fsp_msg *fsp_msg; + unsigned int num; + int i = 0; + int j = 0; + + /* initialize PHY configuration */ + dram_cfg = dram_timing->ddrphy_cfg; + num = dram_timing->ddrphy_cfg_num; + for (i = 0; i < num; i++) { + /* config phy reg */ + dwc_ddrphy_apb_wr(dram_cfg->reg, dram_cfg->val); + dram_cfg++; + } + + /* load the frequency setpoint message block config */ + fsp_msg = dram_timing->fsp_msg; + for (i = 0; i < dram_timing->fsp_msg_num; i++) { + debug("DRAM PHY training for %dMTS\n", fsp_msg->drate); + /* set dram PHY input clocks to desired frequency */ + ddrphy_init_set_dfi_clk(fsp_msg->drate); + + /* load the dram training firmware image */ + dwc_ddrphy_apb_wr(0xd0000, 0x0); + ddr_load_train_firmware(fsp_msg->fw_type); + + /* load the frequency set point message block parameter */ + dram_cfg = fsp_msg->fsp_cfg; + num = fsp_msg->fsp_cfg_num; + for (j = 0; j < num; j++) { + dwc_ddrphy_apb_wr(dram_cfg->reg, dram_cfg->val); + dram_cfg++; + } + + /* + * -------------------- excute the firmware -------------------- + * Running the firmware is a simply process to taking the + * PMU out of reset and stall, then the firwmare will be run + * 1. reset the PMU; + * 2. begin the excution; + * 3. wait for the training done; + * 4. read the message block result. + * ------------------------------------------------------------- + */ + dwc_ddrphy_apb_wr(0xd0000, 0x1); + dwc_ddrphy_apb_wr(0xd0099, 0x9); + dwc_ddrphy_apb_wr(0xd0099, 0x1); + dwc_ddrphy_apb_wr(0xd0099, 0x0); + + /* Wait for the training firmware to complete */ + wait_ddrphy_training_complete(); + + /* Halt the microcontroller. */ + dwc_ddrphy_apb_wr(0xd0099, 0x1); + + /* Read the Message Block results */ + dwc_ddrphy_apb_wr(0xd0000, 0x0); + ddrphy_init_read_msg_block(fsp_msg->fw_type); + dwc_ddrphy_apb_wr(0xd0000, 0x1); + + fsp_msg++; + } + + /* Load PHY Init Engine Image */ + dram_cfg = dram_timing->ddrphy_pie; + num = dram_timing->ddrphy_pie_num; + for (i = 0; i < num; i++) { + dwc_ddrphy_apb_wr(dram_cfg->reg, dram_cfg->val); + dram_cfg++; + } + + /* save the ddr PHY trained CSR in memory for low power use */ + ddrphy_trained_csr_save(ddrphy_trained_csr, ddrphy_trained_csr_num); +} diff --git a/drivers/ddr/imx/imx8m/ddrphy_utils.c b/drivers/ddr/imx/imx8m/ddrphy_utils.c new file mode 100644 index 0000000000..4732539764 --- /dev/null +++ b/drivers/ddr/imx/imx8m/ddrphy_utils.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* +* Copyright 2018 NXP +*/ + +#include <common.h> +#include <errno.h> +#include <asm/io.h> +#include <asm/arch/ddr.h> +#include <asm/arch/clock.h> +#include <asm/arch/ddr.h> +#include <asm/arch/lpddr4_define.h> + +static inline void poll_pmu_message_ready(void) +{ + unsigned int reg; + + do { + reg = reg32_read(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0004); + } while (reg & 0x1); +} + +static inline void ack_pmu_message_receive(void) +{ + unsigned int reg; + + reg32_write(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0031, 0x0); + + do { + reg = reg32_read(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0004); + } while (!(reg & 0x1)); + + reg32_write(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0031, 0x1); +} + +static inline unsigned int get_mail(void) +{ + unsigned int reg; + + poll_pmu_message_ready(); + + reg = reg32_read(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0032); + + ack_pmu_message_receive(); + + return reg; +} + +static inline unsigned int get_stream_message(void) +{ + unsigned int reg, reg2; + + poll_pmu_message_ready(); + + reg = reg32_read(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0032); + + reg2 = reg32_read(IP2APB_DDRPHY_IPS_BASE_ADDR(0) + 4 * 0xd0034); + + reg2 = (reg2 << 16) | reg; + + ack_pmu_message_receive(); + + return reg2; +} + +static inline void decode_major_message(unsigned int mail) +{ + debug("[PMU Major message = 0x%08x]\n", mail); +} + +static inline void decode_streaming_message(void) +{ + unsigned int string_index, arg __maybe_unused; + int i = 0; + + string_index = get_stream_message(); + debug("PMU String index = 0x%08x\n", string_index); + while (i < (string_index & 0xffff)) { + arg = get_stream_message(); + debug("arg[%d] = 0x%08x\n", i, arg); + i++; + } + + debug("\n"); +} + +void wait_ddrphy_training_complete(void) +{ + unsigned int mail; + + while (1) { + mail = get_mail(); + decode_major_message(mail); + if (mail == 0x08) { + decode_streaming_message(); + } else if (mail == 0x07) { + debug("Training PASS\n"); + break; + } else if (mail == 0xff) { + printf("Training FAILED\n"); + break; + } + } +} + +void ddrphy_init_set_dfi_clk(unsigned int drate) +{ + switch (drate) { + case 3200: + dram_pll_init(MHZ(800)); + dram_disable_bypass(); + break; + case 3000: + dram_pll_init(MHZ(750)); + dram_disable_bypass(); + break; + case 2400: + dram_pll_init(MHZ(600)); + dram_disable_bypass(); + break; + case 1600: + dram_pll_init(MHZ(400)); + dram_disable_bypass(); + break; + case 667: + dram_pll_init(MHZ(167)); + dram_disable_bypass(); + break; + case 400: + dram_enable_bypass(MHZ(400)); + break; + case 100: + dram_enable_bypass(MHZ(100)); + break; + default: + return; + } +} + +void ddrphy_init_read_msg_block(enum fw_type type) +{ +} + +void lpddr4_mr_write(unsigned int mr_rank, unsigned int mr_addr, + unsigned int mr_data) +{ + unsigned int tmp; + /* + * 1. Poll MRSTAT.mr_wr_busy until it is 0. + * This checks that there is no outstanding MR transaction. + * No writes should be performed to MRCTRL0 and MRCTRL1 if + * MRSTAT.mr_wr_busy = 1. + */ + do { + tmp = reg32_read(DDRC_MRSTAT(0)); + } while (tmp & 0x1); + /* + * 2. Write the MRCTRL0.mr_type, MRCTRL0.mr_addr, MRCTRL0.mr_rank and + * (for MRWs) MRCTRL1.mr_data to define the MR transaction. + */ + reg32_write(DDRC_MRCTRL0(0), (mr_rank << 4)); + reg32_write(DDRC_MRCTRL1(0), (mr_addr << 8) | mr_data); + reg32setbit(DDRC_MRCTRL0(0), 31); +} + +unsigned int lpddr4_mr_read(unsigned int mr_rank, unsigned int mr_addr) +{ + unsigned int tmp; + + reg32_write(DRC_PERF_MON_MRR0_DAT(0), 0x1); + do { + tmp = reg32_read(DDRC_MRSTAT(0)); + } while (tmp & 0x1); + + reg32_write(DDRC_MRCTRL0(0), (mr_rank << 4) | 0x1); + reg32_write(DDRC_MRCTRL1(0), (mr_addr << 8)); + reg32setbit(DDRC_MRCTRL0(0), 31); + do { + tmp = reg32_read(DRC_PERF_MON_MRR0_DAT(0)); + } while ((tmp & 0x8) == 0); + tmp = reg32_read(DRC_PERF_MON_MRR1_DAT(0)); + tmp = tmp & 0xff; + reg32_write(DRC_PERF_MON_MRR0_DAT(0), 0x4); + + return tmp; +} diff --git a/drivers/ddr/imx/imx8m/helper.c b/drivers/ddr/imx/imx8m/helper.c new file mode 100644 index 0000000000..61cd4f6db1 --- /dev/null +++ b/drivers/ddr/imx/imx8m/helper.c @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <spl.h> +#include <asm/io.h> +#include <errno.h> +#include <asm/io.h> +#include <asm/arch/ddr.h> +#include <asm/arch/ddr.h> +#include <asm/arch/lpddr4_define.h> +#include <asm/sections.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define IMEM_LEN 32768 /* byte */ +#define DMEM_LEN 16384 /* byte */ +#define IMEM_2D_OFFSET 49152 + +#define IMEM_OFFSET_ADDR 0x00050000 +#define DMEM_OFFSET_ADDR 0x00054000 +#define DDR_TRAIN_CODE_BASE_ADDR IP2APB_DDRPHY_IPS_BASE_ADDR(0) + +/* We need PHY iMEM PHY is 32KB padded */ +void ddr_load_train_firmware(enum fw_type type) +{ + u32 tmp32, i; + u32 error = 0; + unsigned long pr_to32, pr_from32; + unsigned long fw_offset = type ? IMEM_2D_OFFSET : 0; + unsigned long imem_start = (unsigned long)&_end + fw_offset; + unsigned long dmem_start = imem_start + IMEM_LEN; + + pr_from32 = imem_start; + pr_to32 = DDR_TRAIN_CODE_BASE_ADDR + 4 * IMEM_OFFSET_ADDR; + for (i = 0x0; i < IMEM_LEN; ) { + tmp32 = readl(pr_from32); + writew(tmp32 & 0x0000ffff, pr_to32); + pr_to32 += 4; + writew((tmp32 >> 16) & 0x0000ffff, pr_to32); + pr_to32 += 4; + pr_from32 += 4; + i += 4; + } + + pr_from32 = dmem_start; + pr_to32 = DDR_TRAIN_CODE_BASE_ADDR + 4 * DMEM_OFFSET_ADDR; + for (i = 0x0; i < DMEM_LEN; ) { + tmp32 = readl(pr_from32); + writew(tmp32 & 0x0000ffff, pr_to32); + pr_to32 += 4; + writew((tmp32 >> 16) & 0x0000ffff, pr_to32); + pr_to32 += 4; + pr_from32 += 4; + i += 4; + } + + debug("check ddr4_pmu_train_imem code\n"); + pr_from32 = imem_start; + pr_to32 = DDR_TRAIN_CODE_BASE_ADDR + 4 * IMEM_OFFSET_ADDR; + for (i = 0x0; i < IMEM_LEN; ) { + tmp32 = (readw(pr_to32) & 0x0000ffff); + pr_to32 += 4; + tmp32 += ((readw(pr_to32) & 0x0000ffff) << 16); + + if (tmp32 != readl(pr_from32)) { + debug("%lx %lx\n", pr_from32, pr_to32); + error++; + } + pr_from32 += 4; + pr_to32 += 4; + i += 4; + } + if (error) + printf("check ddr4_pmu_train_imem code fail=%d\n", error); + else + debug("check ddr4_pmu_train_imem code pass\n"); + + debug("check ddr4_pmu_train_dmem code\n"); + pr_from32 = dmem_start; + pr_to32 = DDR_TRAIN_CODE_BASE_ADDR + 4 * DMEM_OFFSET_ADDR; + for (i = 0x0; i < DMEM_LEN;) { + tmp32 = (readw(pr_to32) & 0x0000ffff); + pr_to32 += 4; + tmp32 += ((readw(pr_to32) & 0x0000ffff) << 16); + if (tmp32 != readl(pr_from32)) { + debug("%lx %lx\n", pr_from32, pr_to32); + error++; + } + pr_from32 += 4; + pr_to32 += 4; + i += 4; + } + + if (error) + printf("check ddr4_pmu_train_dmem code fail=%d", error); + else + debug("check ddr4_pmu_train_dmem code pass\n"); +} + +void ddrphy_trained_csr_save(struct dram_cfg_param *ddrphy_csr, + unsigned int num) +{ + int i = 0; + + /* enable the ddrphy apb */ + dwc_ddrphy_apb_wr(0xd0000, 0x0); + dwc_ddrphy_apb_wr(0xc0080, 0x3); + for (i = 0; i < num; i++) { + ddrphy_csr->val = dwc_ddrphy_apb_rd(ddrphy_csr->reg); + ddrphy_csr++; + } + /* disable the ddrphy apb */ + dwc_ddrphy_apb_wr(0xc0080, 0x2); + dwc_ddrphy_apb_wr(0xd0000, 0x1); +} + +void dram_config_save(struct dram_timing_info *timing_info, + unsigned long saved_timing_base) +{ + int i = 0; + struct dram_timing_info *saved_timing = (struct dram_timing_info *)saved_timing_base; + struct dram_cfg_param *cfg; + + saved_timing->ddrc_cfg_num = timing_info->ddrc_cfg_num; + saved_timing->ddrphy_cfg_num = timing_info->ddrphy_cfg_num; + saved_timing->ddrphy_trained_csr_num = ddrphy_trained_csr_num; + saved_timing->ddrphy_pie_num = timing_info->ddrphy_pie_num; + + /* save the fsp table */ + for (i = 0; i < 4; i++) + saved_timing->fsp_table[i] = timing_info->fsp_table[i]; + + cfg = (struct dram_cfg_param *)(saved_timing_base + + sizeof(*timing_info)); + + /* save ddrc config */ + saved_timing->ddrc_cfg = cfg; + for (i = 0; i < timing_info->ddrc_cfg_num; i++) { + cfg->reg = timing_info->ddrc_cfg[i].reg; + cfg->val = timing_info->ddrc_cfg[i].val; + cfg++; + } + + /* save ddrphy config */ + saved_timing->ddrphy_cfg = cfg; + for (i = 0; i < timing_info->ddrphy_cfg_num; i++) { + cfg->reg = timing_info->ddrphy_cfg[i].reg; + cfg->val = timing_info->ddrphy_cfg[i].val; + cfg++; + } + + /* save the ddrphy csr */ + saved_timing->ddrphy_trained_csr = cfg; + for (i = 0; i < ddrphy_trained_csr_num; i++) { + cfg->reg = ddrphy_trained_csr[i].reg; + cfg->val = ddrphy_trained_csr[i].val; + cfg++; + } + + /* save the ddrphy pie */ + saved_timing->ddrphy_pie = cfg; + for (i = 0; i < timing_info->ddrphy_pie_num; i++) { + cfg->reg = timing_info->ddrphy_pie[i].reg; + cfg->val = timing_info->ddrphy_pie[i].val; + cfg++; + } +} diff --git a/drivers/ddr/imx/imx8m/lpddr4_init.c b/drivers/ddr/imx/imx8m/lpddr4_init.c new file mode 100644 index 0000000000..a4bc1de8eb --- /dev/null +++ b/drivers/ddr/imx/imx8m/lpddr4_init.c @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* +* Copyright 2018 NXP +* +*/ + +#include <common.h> +#include <errno.h> +#include <asm/io.h> +#include <asm/arch/ddr.h> +#include <asm/arch/clock.h> +#include <asm/arch/ddr.h> +#include <asm/arch/lpddr4_define.h> +#include <asm/arch/sys_proto.h> + +void lpddr4_cfg_umctl2(struct dram_cfg_param *ddrc_cfg, int num) +{ + int i = 0; + + for (i = 0; i < num; i++) { + reg32_write(ddrc_cfg->reg, ddrc_cfg->val); + ddrc_cfg++; + } +} + +void ddr_init(struct dram_timing_info *dram_timing) +{ + unsigned int tmp; + + debug("DDRINFO: start lpddr4 ddr init\n"); + /* step 1: reset */ + if (is_imx8mq()) { + reg32_write(SRC_DDRC_RCR_ADDR + 0x04, 0x8F00000F); + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F00000F); + reg32_write(SRC_DDRC_RCR_ADDR + 0x04, 0x8F000000); + } else { + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F00001F); + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F00000F); + } + + mdelay(100); + + debug("DDRINFO: reset done\n"); + /* + * change the clock source of dram_apb_clk_root: + * source 4 800MHz /4 = 200MHz + */ + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(4) | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV4)); + + /* disable iso */ + reg32_write(0x303A00EC, 0x0000ffff); /* PGC_CPU_MAPPING */ + reg32setbit(0x303A00F8, 5); /* PU_PGC_SW_PUP_REQ */ + + debug("DDRINFO: cfg clk\n"); + dram_pll_init(MHZ(750)); + + /* + * release [0]ddr1_preset_n, [1]ddr1_core_reset_n, + * [2]ddr1_phy_reset, [3]ddr1_phy_pwrokin_n + */ + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000006); + + /*step2 Configure uMCTL2's registers */ + debug("DDRINFO: ddrc config start\n"); + lpddr4_cfg_umctl2(dram_timing->ddrc_cfg, dram_timing->ddrc_cfg_num); + debug("DDRINFO: ddrc config done\n"); + + /* + * step3 de-assert all reset + * RESET: <core_ddrc_rstn> DEASSERTED + * RESET: <aresetn> for Port 0 DEASSERT(0)ED + */ + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000004); + reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000000); + + reg32_write(DDRC_DBG1(0), 0x00000000); + /* step4 */ + /* [0]dis_auto_refresh=1 */ + reg32_write(DDRC_RFSHCTL3(0), 0x00000011); + + /* [8]--1: lpddr4_sr allowed; [5]--1: software entry to SR */ + reg32_write(DDRC_PWRCTL(0), 0x000000a8); + + do { + tmp = reg32_read(DDRC_STAT(0)); + } while ((tmp & 0x33f) != 0x223); + + reg32_write(DDRC_DDR_SS_GPR0, 0x01); /* LPDDR4 mode */ + + /* step5 */ + reg32_write(DDRC_SWCTL(0), 0x00000000); + + /* step6 */ + tmp = reg32_read(DDRC_MSTR2(0)); + if (tmp == 0x2) + reg32_write(DDRC_DFIMISC(0), 0x00000210); + else if (tmp == 0x1) + reg32_write(DDRC_DFIMISC(0), 0x00000110); + else + reg32_write(DDRC_DFIMISC(0), 0x00000010); + + /* step7 [0]--1: disable quasi-dynamic programming */ + reg32_write(DDRC_SWCTL(0), 0x00000001); + + /* step8 Configure LPDDR4 PHY's registers */ + debug("DDRINFO:ddrphy config start\n"); + ddr_cfg_phy(dram_timing); + debug("DDRINFO: ddrphy config done\n"); + + /* + * step14 CalBusy.0 =1, indicates the calibrator is actively + * calibrating. Wait Calibrating done. + */ + do { + tmp = reg32_read(DDRPHY_CalBusy(0)); + } while ((tmp & 0x1)); + + debug("DDRINFO:ddrphy calibration done\n"); + + /* step15 [0]--0: to enable quasi-dynamic programming */ + reg32_write(DDRC_SWCTL(0), 0x00000000); + + /* step16 */ + tmp = reg32_read(DDRC_MSTR2(0)); + if (tmp == 0x2) + reg32_write(DDRC_DFIMISC(0), 0x00000230); + else if (tmp == 0x1) + reg32_write(DDRC_DFIMISC(0), 0x00000130); + else + reg32_write(DDRC_DFIMISC(0), 0x00000030); + + /* step17 [0]--1: disable quasi-dynamic programming */ + reg32_write(DDRC_SWCTL(0), 0x00000001); + /* step18 wait DFISTAT.dfi_init_complete to 1 */ + do { + tmp = reg32_read(DDRC_DFISTAT(0)); + } while ((tmp & 0x1) == 0x0); + + /* step19 */ + reg32_write(DDRC_SWCTL(0), 0x00000000); + + /* step20~22 */ + tmp = reg32_read(DDRC_MSTR2(0)); + if (tmp == 0x2) { + reg32_write(DDRC_DFIMISC(0), 0x00000210); + /* set DFIMISC.dfi_init_complete_en again */ + reg32_write(DDRC_DFIMISC(0), 0x00000211); + } else if (tmp == 0x1) { + reg32_write(DDRC_DFIMISC(0), 0x00000110); + /* set DFIMISC.dfi_init_complete_en again */ + reg32_write(DDRC_DFIMISC(0), 0x00000111); + } else { + /* clear DFIMISC.dfi_init_complete_en */ + reg32_write(DDRC_DFIMISC(0), 0x00000010); + /* set DFIMISC.dfi_init_complete_en again */ + reg32_write(DDRC_DFIMISC(0), 0x00000011); + } + + /* step23 [5]selfref_sw=0; */ + reg32_write(DDRC_PWRCTL(0), 0x00000008); + /* step24 sw_done=1 */ + reg32_write(DDRC_SWCTL(0), 0x00000001); + + /* step25 wait SWSTAT.sw_done_ack to 1 */ + do { + tmp = reg32_read(DDRC_SWSTAT(0)); + } while ((tmp & 0x1) == 0x0); + +#ifdef DFI_BUG_WR + reg32_write(DDRC_DFIPHYMSTR(0), 0x00000001); +#endif + /* wait STAT.operating_mode([1:0] for ddr3) to normal state */ + do { + tmp = reg32_read(DDRC_STAT(0)); + } while ((tmp & 0x3) != 0x1); + + /* step26 */ + reg32_write(DDRC_RFSHCTL3(0), 0x00000010); + + /* enable port 0 */ + reg32_write(DDRC_PCTRL_0(0), 0x00000001); + debug("DDRINFO: ddrmix config done\n"); + + /* save the dram timing config into memory */ + dram_config_save(dram_timing, CONFIG_SAVED_DRAM_TIMING_BASE); +} diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c index b820160ae7..8bd30c75b2 100644 --- a/drivers/gpio/mxc_gpio.c +++ b/drivers/gpio/mxc_gpio.c @@ -40,15 +40,15 @@ static unsigned long gpio_ports[] = { [2] = GPIO3_BASE_ADDR, #if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX51) || \ defined(CONFIG_MX53) || defined(CONFIG_MX6) || \ - defined(CONFIG_MX7) || defined(CONFIG_MX8M) || \ + defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || \ defined(CONFIG_ARCH_IMX8) [3] = GPIO4_BASE_ADDR, #endif #if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) || \ - defined(CONFIG_MX7) || defined(CONFIG_MX8M) || \ + defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || \ defined(CONFIG_ARCH_IMX8) [4] = GPIO5_BASE_ADDR, -#if !(defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) || defined(CONFIG_MX8M)) +#if !(defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) || defined(CONFIG_IMX8M)) [5] = GPIO6_BASE_ADDR, #endif #endif @@ -353,13 +353,13 @@ static const struct mxc_gpio_plat mxc_plat[] = { { 2, (struct gpio_regs *)GPIO3_BASE_ADDR }, #if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX51) || \ defined(CONFIG_MX53) || defined(CONFIG_MX6) || \ - defined(CONFIG_MX8M) || defined(CONFIG_ARCH_IMX8) + defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8) { 3, (struct gpio_regs *)GPIO4_BASE_ADDR }, #endif #if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) || \ - defined(CONFIG_MX8M) || defined(CONFIG_ARCH_IMX8) + defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8) { 4, (struct gpio_regs *)GPIO5_BASE_ADDR }, -#ifndef CONFIG_MX8M +#ifndef CONFIG_IMX8M { 5, (struct gpio_regs *)GPIO6_BASE_ADDR }, #endif #endif @@ -377,13 +377,13 @@ U_BOOT_DEVICES(mxc_gpios) = { { "gpio_mxc", &mxc_plat[2] }, #if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX51) || \ defined(CONFIG_MX53) || defined(CONFIG_MX6) || \ - defined(CONFIG_MX8M) || defined(CONFIG_ARCH_IMX8) + defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8) { "gpio_mxc", &mxc_plat[3] }, #endif #if defined(CONFIG_MX27) || defined(CONFIG_MX53) || defined(CONFIG_MX6) || \ - defined(CONFIG_MX8M) || defined(CONFIG_ARCH_IMX8) + defined(CONFIG_IMX8M) || defined(CONFIG_ARCH_IMX8) { "gpio_mxc", &mxc_plat[4] }, -#ifndef CONFIG_MX8M +#ifndef CONFIG_IMX8M { "gpio_mxc", &mxc_plat[5] }, #endif #endif diff --git a/drivers/misc/mxc_ocotp.c b/drivers/misc/mxc_ocotp.c index 9ff475d925..f84fe88db1 100644 --- a/drivers/misc/mxc_ocotp.c +++ b/drivers/misc/mxc_ocotp.c @@ -34,7 +34,7 @@ #define BM_OUT_STATUS_DED 0x00000400 #define BM_OUT_STATUS_LOCKED 0x00000800 #define BM_OUT_STATUS_PROGFAIL 0x00001000 -#elif defined(CONFIG_MX8M) +#elif defined(CONFIG_IMX8M) #define BM_CTRL_ADDR 0x000000ff #else #define BM_CTRL_ADDR 0x0000007f @@ -80,7 +80,7 @@ #elif defined(CONFIG_MX7ULP) #define FUSE_BANK_SIZE 0x80 #define FUSE_BANKS 31 -#elif defined(CONFIG_MX8M) +#elif defined(CONFIG_IMX8M) #define FUSE_BANK_SIZE 0x40 #define FUSE_BANKS 64 #else @@ -298,7 +298,7 @@ static void setup_direct_access(struct ocotp_regs *regs, u32 bank, u32 word, u32 wr_unlock = write ? BV_CTRL_WR_UNLOCK_KEY : 0; #ifdef CONFIG_MX7 u32 addr = bank; -#elif defined CONFIG_MX8M +#elif defined CONFIG_IMX8M u32 addr = bank << 2 | word; #else u32 addr; diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 3cdfa7f5a6..74007e2ad4 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -259,7 +259,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, int timeout; struct fsl_esdhc *regs = priv->esdhc_regs; #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \ - defined(CONFIG_IMX8) || defined(CONFIG_MX8M) + defined(CONFIG_IMX8) || defined(CONFIG_IMX8M) dma_addr_t addr; #endif uint wml_value; @@ -273,7 +273,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, esdhc_clrsetbits32(®s->wml, WML_RD_WML_MASK, wml_value); #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \ - defined(CONFIG_IMX8) || defined(CONFIG_MX8M) + defined(CONFIG_IMX8) || defined(CONFIG_IMX8M) addr = virt_to_phys((void *)(data->dest)); if (upper_32_bits(addr)) printf("Error found for upper 32 bits\n"); @@ -303,7 +303,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, wml_value << 16); #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \ - defined(CONFIG_IMX8) || defined(CONFIG_MX8M) + defined(CONFIG_IMX8) || defined(CONFIG_IMX8M) addr = virt_to_phys((void *)(data->src)); if (upper_32_bits(addr)) printf("Error found for upper 32 bits\n"); @@ -369,7 +369,7 @@ static void check_and_invalidate_dcache_range unsigned size = roundup(ARCH_DMA_MINALIGN, data->blocks*data->blocksize); #if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \ - defined(CONFIG_IMX8) || defined(CONFIG_MX8M) + defined(CONFIG_IMX8) || defined(CONFIG_IMX8M) dma_addr_t addr; addr = virt_to_phys((void *)(data->dest)); diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 008f7b4b4b..fd1723feda 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -88,6 +88,15 @@ config NAND_VF610_NFC The driver supports a maximum 2k page size. The driver currently does not support hardware ECC. +if NAND_VF610_NFC + +config NAND_VF610_NFC_DT + bool "Support Vybrid's vf610 NAND controller as a DT device" + depends on OF_CONTROL && MTD + help + Enable the driver for Vybrid's vf610 NAND flash on platforms + using device tree. + choice prompt "Hardware ECC strength" depends on NAND_VF610_NFC @@ -103,6 +112,8 @@ config SYS_NAND_VF610_NFC_60_ECC_BYTES endchoice +endif + config NAND_PXA3XX bool "Support for NAND on PXA3xx and Armada 370/XP/38x" select SYS_NAND_SELF_INIT diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index d1cac063f4..e0eb1339ec 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -69,14 +69,6 @@ static int dma_mapping_error(void *dev, dma_addr_t addr) #define DENALI_INVALID_BANK -1 #define DENALI_NR_BANKS 4 -/* - * The bus interface clock, clk_x, is phase aligned with the core clock. The - * clk_x is an integral multiple N of the core clk. The value N is configured - * at IP delivery time, and its available value is 4, 5, or 6. We need to align - * to the largest value to make it work with any possible configuration. - */ -#define DENALI_CLK_X_MULT 6 - static inline struct denali_nand_info *mtd_to_denali(struct mtd_info *mtd) { return container_of(mtd_to_nand(mtd), struct denali_nand_info, nand); @@ -595,6 +587,12 @@ static int denali_dma_xfer(struct denali_nand_info *denali, void *buf, } iowrite32(DMA_ENABLE__FLAG, denali->reg + DMA_ENABLE); + /* + * The ->setup_dma() hook kicks DMA by using the data/command + * interface, which belongs to a different AXI port from the + * register interface. Read back the register to avoid a race. + */ + ioread32(denali->reg + DMA_ENABLE); denali_reset_irq(denali); denali->setup_dma(denali, dma_addr, page, write); @@ -946,7 +944,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, { struct denali_nand_info *denali = mtd_to_denali(mtd); const struct nand_sdr_timings *timings; - unsigned long t_clk; + unsigned long t_x, mult_x; int acc_clks, re_2_we, re_2_re, we_2_re, addr_2_data; int rdwr_en_lo, rdwr_en_hi, rdwr_en_lo_hi, cs_setup; int addr_2_data_mask; @@ -957,15 +955,24 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, return PTR_ERR(timings); /* clk_x period in picoseconds */ - t_clk = DIV_ROUND_DOWN_ULL(1000000000000ULL, denali->clk_x_rate); - if (!t_clk) + t_x = DIV_ROUND_DOWN_ULL(1000000000000ULL, denali->clk_x_rate); + if (!t_x) + return -EINVAL; + + /* + * The bus interface clock, clk_x, is phase aligned with the core clock. + * The clk_x is an integral multiple N of the core clk. The value N is + * configured at IP delivery time, and its available value is 4, 5, 6. + */ + mult_x = DIV_ROUND_CLOSEST_ULL(denali->clk_x_rate, denali->clk_rate); + if (mult_x < 4 || mult_x > 6) return -EINVAL; if (chipnr == NAND_DATA_IFACE_CHECK_ONLY) return 0; /* tREA -> ACC_CLKS */ - acc_clks = DIV_ROUND_UP(timings->tREA_max, t_clk); + acc_clks = DIV_ROUND_UP(timings->tREA_max, t_x); acc_clks = min_t(int, acc_clks, ACC_CLKS__VALUE); tmp = ioread32(denali->reg + ACC_CLKS); @@ -974,7 +981,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, iowrite32(tmp, denali->reg + ACC_CLKS); /* tRWH -> RE_2_WE */ - re_2_we = DIV_ROUND_UP(timings->tRHW_min, t_clk); + re_2_we = DIV_ROUND_UP(timings->tRHW_min, t_x); re_2_we = min_t(int, re_2_we, RE_2_WE__VALUE); tmp = ioread32(denali->reg + RE_2_WE); @@ -983,7 +990,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, iowrite32(tmp, denali->reg + RE_2_WE); /* tRHZ -> RE_2_RE */ - re_2_re = DIV_ROUND_UP(timings->tRHZ_max, t_clk); + re_2_re = DIV_ROUND_UP(timings->tRHZ_max, t_x); re_2_re = min_t(int, re_2_re, RE_2_RE__VALUE); tmp = ioread32(denali->reg + RE_2_RE); @@ -997,8 +1004,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, * With WE_2_RE properly set, the Denali controller automatically takes * care of the delay; the driver need not set NAND_WAIT_TCCS. */ - we_2_re = DIV_ROUND_UP(max(timings->tCCS_min, timings->tWHR_min), - t_clk); + we_2_re = DIV_ROUND_UP(max(timings->tCCS_min, timings->tWHR_min), t_x); we_2_re = min_t(int, we_2_re, TWHR2_AND_WE_2_RE__WE_2_RE); tmp = ioread32(denali->reg + TWHR2_AND_WE_2_RE); @@ -1013,7 +1019,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, if (denali->revision < 0x0501) addr_2_data_mask >>= 1; - addr_2_data = DIV_ROUND_UP(timings->tADL_min, t_clk); + addr_2_data = DIV_ROUND_UP(timings->tADL_min, t_x); addr_2_data = min_t(int, addr_2_data, addr_2_data_mask); tmp = ioread32(denali->reg + TCWAW_AND_ADDR_2_DATA); @@ -1023,7 +1029,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, /* tREH, tWH -> RDWR_EN_HI_CNT */ rdwr_en_hi = DIV_ROUND_UP(max(timings->tREH_min, timings->tWH_min), - t_clk); + t_x); rdwr_en_hi = min_t(int, rdwr_en_hi, RDWR_EN_HI_CNT__VALUE); tmp = ioread32(denali->reg + RDWR_EN_HI_CNT); @@ -1032,11 +1038,10 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, iowrite32(tmp, denali->reg + RDWR_EN_HI_CNT); /* tRP, tWP -> RDWR_EN_LO_CNT */ - rdwr_en_lo = DIV_ROUND_UP(max(timings->tRP_min, timings->tWP_min), - t_clk); + rdwr_en_lo = DIV_ROUND_UP(max(timings->tRP_min, timings->tWP_min), t_x); rdwr_en_lo_hi = DIV_ROUND_UP(max(timings->tRC_min, timings->tWC_min), - t_clk); - rdwr_en_lo_hi = max(rdwr_en_lo_hi, DENALI_CLK_X_MULT); + t_x); + rdwr_en_lo_hi = max_t(int, rdwr_en_lo_hi, mult_x); rdwr_en_lo = max(rdwr_en_lo, rdwr_en_lo_hi - rdwr_en_hi); rdwr_en_lo = min_t(int, rdwr_en_lo, RDWR_EN_LO_CNT__VALUE); @@ -1046,8 +1051,8 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr, iowrite32(tmp, denali->reg + RDWR_EN_LO_CNT); /* tCS, tCEA -> CS_SETUP_CNT */ - cs_setup = max3((int)DIV_ROUND_UP(timings->tCS_min, t_clk) - rdwr_en_lo, - (int)DIV_ROUND_UP(timings->tCEA_max, t_clk) - acc_clks, + cs_setup = max3((int)DIV_ROUND_UP(timings->tCS_min, t_x) - rdwr_en_lo, + (int)DIV_ROUND_UP(timings->tCEA_max, t_x) - acc_clks, 0); cs_setup = min_t(int, cs_setup, CS_SETUP_CNT__VALUE); diff --git a/drivers/mtd/nand/raw/denali.h b/drivers/mtd/nand/raw/denali.h index 9b797beffa..019deda094 100644 --- a/drivers/mtd/nand/raw/denali.h +++ b/drivers/mtd/nand/raw/denali.h @@ -292,6 +292,7 @@ struct udevice; struct denali_nand_info { struct nand_chip nand; + unsigned long clk_rate; /* core clock rate */ unsigned long clk_x_rate; /* bus interface clock rate */ int active_bank; /* currently selected bank */ struct udevice *dev; diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c index 65a7797f0f..d384b974df 100644 --- a/drivers/mtd/nand/raw/denali_dt.c +++ b/drivers/mtd/nand/raw/denali_dt.c @@ -62,7 +62,7 @@ static int denali_dt_probe(struct udevice *dev) { struct denali_nand_info *denali = dev_get_priv(dev); const struct denali_dt_data *data; - struct clk clk; + struct clk clk, clk_x, clk_ecc; struct resource res; int ret; @@ -87,15 +87,49 @@ static int denali_dt_probe(struct udevice *dev) denali->host = devm_ioremap(dev, res.start, resource_size(&res)); - ret = clk_get_by_index(dev, 0, &clk); + ret = clk_get_by_name(dev, "nand", &clk); + if (ret) + ret = clk_get_by_index(dev, 0, &clk); if (ret) return ret; + ret = clk_get_by_name(dev, "nand_x", &clk_x); + if (ret) + clk_x.dev = NULL; + + ret = clk_get_by_name(dev, "ecc", &clk_ecc); + if (ret) + clk_ecc.dev = NULL; + ret = clk_enable(&clk); if (ret) return ret; - denali->clk_x_rate = clk_get_rate(&clk); + if (clk_x.dev) { + ret = clk_enable(&clk_x); + if (ret) + return ret; + } + + if (clk_ecc.dev) { + ret = clk_enable(&clk_ecc); + if (ret) + return ret; + } + + if (clk_x.dev) { + denali->clk_rate = clk_get_rate(&clk); + denali->clk_x_rate = clk_get_rate(&clk_x); + } else { + /* + * Hardcode the clock rates for the backward compatibility. + * This works for both SOCFPGA and UniPhier. + */ + dev_notice(dev, + "necessary clock is missing. default clock rates are used.\n"); + denali->clk_rate = 50000000; + denali->clk_x_rate = 200000000; + } return denali_init(denali); } diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c index 4009d64123..3104f879f6 100644 --- a/drivers/mtd/nand/raw/nand_ids.c +++ b/drivers/mtd/nand/raw/nand_ids.c @@ -61,6 +61,10 @@ struct nand_flash_dev nand_flash_ids[] = { {"SDTNRGAMA 64G 3.3V 8-bit", { .id = {0x45, 0xde, 0x94, 0x93, 0x76, 0x50} }, SZ_16K, SZ_8K, SZ_4M, 0, 6, 1280, NAND_ECC_INFO(40, SZ_1K) }, + {"H27UBG8T2BTR-BC 32G 3.3V 8-bit", + { .id = {0xad, 0xd7, 0x94, 0xda, 0x74, 0xc3} }, + SZ_8K, SZ_4K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640, + NAND_ECC_INFO(40, SZ_1K), 0 }, {"H27UCG8T2ATR-BC 64G 3.3V 8-bit", { .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} }, SZ_8K, SZ_8K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640, diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c index 619d0403e9..3326c2b096 100644 --- a/drivers/mtd/nand/raw/vf610_nfc.c +++ b/drivers/mtd/nand/raw/vf610_nfc.c @@ -31,6 +31,11 @@ #include <nand.h> #include <errno.h> #include <asm/io.h> +#if CONFIG_NAND_VF610_NFC_DT +#include <dm.h> +#include <linux/io.h> +#include <linux/ioport.h> +#endif /* Register Offsets */ #define NFC_FLASH_CMD1 0x3F00 @@ -641,7 +646,7 @@ static int vf610_nfc_nand_init(int devnum, void __iomem *addr) .flash_bbt = 1, }; - nfc = malloc(sizeof(*nfc)); + nfc = calloc(1, sizeof(*nfc)); if (!nfc) { printf(KERN_ERR "%s: Memory exhausted!\n", __func__); return -ENOMEM; @@ -760,9 +765,51 @@ error: return err; } +#if CONFIG_NAND_VF610_NFC_DT +static const struct udevice_id vf610_nfc_dt_ids[] = { + { + .compatible = "fsl,vf610-nfc", + }, + { /* sentinel */ } +}; + +static int vf610_nfc_dt_probe(struct udevice *dev) +{ + struct resource res; + 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))); +} + +U_BOOT_DRIVER(vf610_nfc_dt) = { + .name = "vf610-nfc-dt", + .id = UCLASS_MTD, + .of_match = vf610_nfc_dt_ids, + .probe = vf610_nfc_dt_probe, +}; + +void board_nand_init(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device_by_driver(UCLASS_MTD, + DM_GET_DRIVER(vf610_nfc_dt), + &dev); + if (ret && ret != -ENODEV) + pr_err("Failed to initialize NAND controller. (error %d)\n", + ret); +} +#else void board_nand_init(void) { int err = vf610_nfc_nand_init(0, (void __iomem *)CONFIG_SYS_NAND_BASE); if (err) printf("VF610 NAND init failed (err %d)\n", err); } +#endif /* CONFIG_NAND_VF610_NFC_DT */ diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 99c5c649a0..32fb34b793 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -604,7 +604,7 @@ static int fec_init(struct eth_device *dev, bd_t *bd) writel(0x00000000, &fec->eth->gaddr2); /* Do not access reserved register */ - if (!is_mx6ul() && !is_mx6ull() && !is_mx8m()) { + if (!is_mx6ul() && !is_mx6ull() && !is_imx8m()) { /* clear MIB RAM */ for (i = mib_ptr; i <= mib_ptr + 0xfc; i += 4) writel(0, i); diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 1dbe2b104b..30a6aa6ee8 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -238,6 +238,16 @@ config PINCTRL_ROCKCHIP_RK3399 the GPIO definitions and pin control functions for each available multiplex function. +config PINCTRL_ROCKCHIP_RK3399_FULL + bool "Rockchip rk3399 pin control driver (full)" + depends on PINCTRL_FULL && PINCTRL_ROCKCHIP_RK3399 + help + Support full pin multiplexing control on Rockchip rk3399 SoCs. + + This enables the full pinctrl driver for the RK3399. + Contrary to the non-full pinctrl driver, this will evaluate + the board DTB to get the pinctrl settings. + config PINCTRL_ROCKCHIP_RV1108 bool "Rockchip rv1108 pin control driver" depends on DM diff --git a/drivers/pinctrl/nxp/Kconfig b/drivers/pinctrl/nxp/Kconfig index 799d1d2465..f1d5a5c50d 100644 --- a/drivers/pinctrl/nxp/Kconfig +++ b/drivers/pinctrl/nxp/Kconfig @@ -74,3 +74,17 @@ config PINCTRL_IMX8 is different from the linux one, this is a simple implementation, only parses the 'fsl,pins' property and configures related registers. + +config PINCTRL_VYBRID + bool "Vybrid (vf610) pinctrl driver" + depends on ARCH_VF610 && PINCTRL_FULL + select DEVRES + select PINCTRL_IMX + help + Say Y here to enable the Vybrid (vf610) pinctrl driver + + This provides a simple pinctrl driver for Vybrid SoC familiy, + vf610. This feature depends on device tree + configuration. This driver is different from the linux one, + this is a simple implementation, only parses the 'fsl,pins' + property and configure related registers. diff --git a/drivers/pinctrl/nxp/Makefile b/drivers/pinctrl/nxp/Makefile index 310b3b3a2e..891ee6e477 100644 --- a/drivers/pinctrl/nxp/Makefile +++ b/drivers/pinctrl/nxp/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_PINCTRL_IMX7) += pinctrl-imx7.o obj-$(CONFIG_PINCTRL_IMX7ULP) += pinctrl-imx7ulp.o obj-$(CONFIG_PINCTRL_IMX_SCU) += pinctrl-scu.o obj-$(CONFIG_PINCTRL_IMX8) += pinctrl-imx8.o +obj-$(CONFIG_PINCTRL_VYBRID) += pinctrl-vf610.o diff --git a/drivers/pinctrl/nxp/pinctrl-vf610.c b/drivers/pinctrl/nxp/pinctrl-vf610.c new file mode 100644 index 0000000000..e795b5fd8a --- /dev/null +++ b/drivers/pinctrl/nxp/pinctrl-vf610.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 DENX Software Engineering + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de + */ + +#include <common.h> +#include <dm.h> +#include <dm/pinctrl.h> + +#include "pinctrl-imx.h" + +static struct imx_pinctrl_soc_info vf610_pinctrl_soc_info = { + .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID, +}; + +static int vf610_pinctrl_probe(struct udevice *dev) +{ + struct imx_pinctrl_soc_info *info = + (struct imx_pinctrl_soc_info *)dev_get_driver_data(dev); + + return imx_pinctrl_probe(dev, info); +} + +static const struct udevice_id vf610_pinctrl_match[] = { + { .compatible = "fsl,vf610-iomuxc", + .data = (ulong)&vf610_pinctrl_soc_info }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(vf610_pinctrl) = { + .name = "vf610-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(vf610_pinctrl_match), + .probe = vf610_pinctrl_probe, + .remove = imx_pinctrl_remove, + .priv_auto_alloc_size = sizeof(struct imx_pinctrl_priv), + .ops = &imx_pinctrl_ops, + .flags = DM_FLAG_PRE_RELOC, +}; diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c index 29c910c55f..c8b38d78f6 100644 --- a/drivers/pinctrl/pinctrl-uclass.c +++ b/drivers/pinctrl/pinctrl-uclass.c @@ -27,6 +27,28 @@ int pinctrl_decode_pin_config(const void *blob, int node) return flags; } +/* + * TODO: this function is temporary for v2019.01. + * It should be renamed to pinctrl_decode_pin_config(), + * the original pinctrl_decode_pin_config() function should + * be removed and all callers of the original function should + * be migrated to use the new one. + */ +int pinctrl_decode_pin_config_dm(struct udevice *dev) +{ + int pinconfig = 0; + + if (dev->uclass->uc_drv->id != UCLASS_PINCONFIG) + return -EINVAL; + + if (dev_read_bool(dev, "bias-pull-up")) + pinconfig |= 1 << PIN_CONFIG_BIAS_PULL_UP; + else if (dev_read_bool(dev, "bias-pull-down")) + pinconfig |= 1 << PIN_CONFIG_BIAS_PULL_DOWN; + + return pinconfig; +} + #if CONFIG_IS_ENABLED(PINCTRL_FULL) /** * pinctrl_config_one() - apply pinctrl settings for a single node diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3399.c b/drivers/pinctrl/rockchip/pinctrl_rk3399.c index bc92dd7c06..c4746b0122 100644 --- a/drivers/pinctrl/rockchip/pinctrl_rk3399.c +++ b/drivers/pinctrl/rockchip/pinctrl_rk3399.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2016 Rockchip Electronics Co., Ltd + * (C) 2018 Theobroma Systems Design und Consulting GmbH */ #include <common.h> @@ -14,11 +15,240 @@ #include <asm/arch/clock.h> #include <dm/pinctrl.h> +#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) +static const u32 RK_GRF_P_PULLUP = 1; +static const u32 RK_GRF_P_PULLDOWN = 2; +#endif /* PINCTRL_ROCKCHIP_RK3399_FULL */ + struct rk3399_pinctrl_priv { struct rk3399_grf_regs *grf; struct rk3399_pmugrf_regs *pmugrf; + struct rockchip_pin_bank *banks; +}; + +#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) +/* Location of pinctrl/pinconf registers. */ +enum rk_grf_location { + RK_GRF, + RK_PMUGRF, +}; + +/** + * @nr_pins: number of pins in this bank + * @grf_location: location of pinctrl/pinconf registers + * @bank_num: number of the bank, to account for holes + * @iomux: array describing the 4 iomux sources of the bank + */ +struct rockchip_pin_bank { + u8 nr_pins; + enum rk_grf_location grf_location; + size_t iomux_offset; + size_t pupd_offset; +}; + +#define PIN_BANK(pins, grf, iomux, pupd) \ + { \ + .nr_pins = pins, \ + .grf_location = grf, \ + .iomux_offset = iomux, \ + .pupd_offset = pupd, \ + } + +static struct rockchip_pin_bank rk3399_pin_banks[] = { + PIN_BANK(16, RK_PMUGRF, + offsetof(struct rk3399_pmugrf_regs, gpio0a_iomux), + offsetof(struct rk3399_pmugrf_regs, gpio0_p)), + PIN_BANK(32, RK_PMUGRF, + offsetof(struct rk3399_pmugrf_regs, gpio1a_iomux), + offsetof(struct rk3399_pmugrf_regs, gpio1_p)), + PIN_BANK(32, RK_GRF, + offsetof(struct rk3399_grf_regs, gpio2a_iomux), + offsetof(struct rk3399_grf_regs, gpio2_p)), + PIN_BANK(32, RK_GRF, + offsetof(struct rk3399_grf_regs, gpio3a_iomux), + offsetof(struct rk3399_grf_regs, gpio3_p)), + PIN_BANK(32, RK_GRF, + offsetof(struct rk3399_grf_regs, gpio4a_iomux), + offsetof(struct rk3399_grf_regs, gpio4_p)), }; +static void rk_pinctrl_get_info(uintptr_t base, u32 index, uintptr_t *addr, + u32 *shift, u32 *mask) +{ + /* + * In general we four subsequent 32-bit configuration registers + * per bank (e.g. GPIO2A_P, GPIO2B_P, GPIO2C_P, GPIO2D_P). + * The configuration for each pin has two bits. + * + * @base...contains the address to the first register. + * @index...defines the pin within the bank (0..31). + * @addr...will be the address of the actual register to use + * @shift...will be the bit position in the configuration register + * @mask...will be the (unshifted) mask + */ + + const u32 pins_per_register = 8; + const u32 config_bits_per_pin = 2; + + /* Get the address of the configuration register. */ + *addr = base + (index / pins_per_register) * sizeof(u32); + + /* Get the bit offset within the configuration register. */ + *shift = (index & (pins_per_register - 1)) * config_bits_per_pin; + + /* Get the (unshifted) mask for the configuration pins. */ + *mask = ((1 << config_bits_per_pin) - 1); + + pr_debug("%s: addr=0x%lx, mask=0x%x, shift=0x%x\n", + __func__, *addr, *mask, *shift); +} + +static void rk3399_pinctrl_set_pin_iomux(uintptr_t grf_addr, + struct rockchip_pin_bank *bank, + u32 index, u32 muxval) +{ + uintptr_t iomux_base, addr; + u32 shift, mask; + + iomux_base = grf_addr + bank->iomux_offset; + rk_pinctrl_get_info(iomux_base, index, &addr, &shift, &mask); + + /* Set pinmux register */ + rk_clrsetreg(addr, mask << shift, muxval << shift); +} + +static void rk3399_pinctrl_set_pin_pupd(uintptr_t grf_addr, + struct rockchip_pin_bank *bank, + u32 index, int pinconfig) +{ + uintptr_t pupd_base, addr; + u32 shift, mask, pupdval; + + /* Fast path in case there's nothing to do. */ + if (!pinconfig) + return; + + if (pinconfig & (1 << PIN_CONFIG_BIAS_PULL_UP)) + pupdval = RK_GRF_P_PULLUP; + else if (pinconfig & (1 << PIN_CONFIG_BIAS_PULL_DOWN)) + pupdval = RK_GRF_P_PULLDOWN; + else + /* Flag not supported. */ + pr_warn("%s: Unsupported pinconfig flag: 0x%x\n", __func__, + pinconfig); + return; + + pupd_base = grf_addr + (uintptr_t)bank->pupd_offset; + rk_pinctrl_get_info(pupd_base, index, &addr, &shift, &mask); + + /* Set pull-up/pull-down regisrer */ + rk_clrsetreg(addr, mask << shift, pupdval << shift); +} + +static int rk3399_pinctrl_set_pin(struct udevice *dev, u32 banknum, u32 index, + u32 muxval, int pinconfig) +{ + struct rk3399_pinctrl_priv *priv = dev_get_priv(dev); + struct rockchip_pin_bank *bank = &priv->banks[banknum]; + uintptr_t grf_addr; + + pr_debug("%s: 0x%x 0x%x 0x%x 0x%x\n", __func__, banknum, index, muxval, + pinconfig); + + if (bank->grf_location == RK_GRF) + grf_addr = (uintptr_t)priv->grf; + else if (bank->grf_location == RK_PMUGRF) + grf_addr = (uintptr_t)priv->pmugrf; + else + return -EINVAL; + + rk3399_pinctrl_set_pin_iomux(grf_addr, bank, index, muxval); + + rk3399_pinctrl_set_pin_pupd(grf_addr, bank, index, pinconfig); + return 0; +} + +static int rk3399_pinctrl_set_state(struct udevice *dev, struct udevice *config) +{ + /* + * The order of the fields in this struct must match the order of + * the fields in the "rockchip,pins" property. + */ + struct rk_pin { + u32 banknum; + u32 index; + u32 muxval; + u32 phandle; + } __packed; + + u32 *fields = NULL; + const int fields_per_pin = 4; + int num_fields, num_pins; + int ret; + int size; + int i; + struct rk_pin *pin; + + pr_debug("%s: %s\n", __func__, config->name); + + size = dev_read_size(config, "rockchip,pins"); + if (size < 0) + return -EINVAL; + + num_fields = size / sizeof(u32); + num_pins = num_fields / fields_per_pin; + + if (num_fields * sizeof(u32) != size || + num_pins * fields_per_pin != num_fields) { + pr_warn("Invalid number of rockchip,pins fields.\n"); + return -EINVAL; + } + + fields = calloc(num_fields, sizeof(u32)); + if (!fields) + return -ENOMEM; + + ret = dev_read_u32_array(config, "rockchip,pins", fields, num_fields); + if (ret) { + pr_warn("%s: Failed to read rockchip,pins fields.\n", + config->name); + goto end; + } + + pin = (struct rk_pin *)fields; + for (i = 0; i < num_pins; i++, pin++) { + struct udevice *dev_pinconfig; + int pinconfig; + + ret = uclass_get_device_by_phandle_id(UCLASS_PINCONFIG, + pin->phandle, + &dev_pinconfig); + if (ret) { + pr_debug("Could not get pinconfig device\n"); + goto end; + } + + pinconfig = pinctrl_decode_pin_config_dm(dev_pinconfig); + if (pinconfig < 0) { + pr_warn("Could not parse pinconfig\n"); + goto end; + } + + ret = rk3399_pinctrl_set_pin(dev, pin->banknum, pin->index, + pin->muxval, pinconfig); + if (ret) { + pr_warn("Could not set pinctrl settings\n"); + goto end; + } + } + +end: + free(fields); + return ret; +} + +#endif /* PINCTRL_ROCKCHIP_RK3399_FULL */ + static void pinctrl_rk3399_pwm_config(struct rk3399_grf_regs *grf, struct rk3399_pmugrf_regs *pmugrf, int pwm_id) { @@ -468,6 +698,9 @@ static int rk3399_pinctrl_set_state_simple(struct udevice *dev, } static struct pinctrl_ops rk3399_pinctrl_ops = { +#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) + .set_state = rk3399_pinctrl_set_state, +#endif .set_state_simple = rk3399_pinctrl_set_state_simple, .request = rk3399_pinctrl_request, .get_periph_id = rk3399_pinctrl_get_periph_id, @@ -481,6 +714,9 @@ static int rk3399_pinctrl_probe(struct udevice *dev) priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); debug("%s: grf=%p, pmugrf=%p\n", __func__, priv->grf, priv->pmugrf); +#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) + priv->banks = rk3399_pin_banks; +#endif /* PINCTRL_ROCKCHIP_RK3399_FULL */ return ret; } diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index 09b311de8b..3ed0dd2264 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -61,6 +61,13 @@ config REGULATOR_PWM This driver is controlled by a device tree node which includes voltage limits. +config SPL_REGULATOR_PWM + bool "Enable Driver for PWM regulators in SPL" + depends on REGULATOR_PWM + help + This config enables implementation of driver-model regulator uclass + features for PWM regulators in SPL. + config DM_REGULATOR_MAX77686 bool "Enable Driver Model for REGULATOR MAX77686" depends on DM_REGULATOR && DM_PMIC_MAX77686 diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile index 8017045d54..f617ce723a 100644 --- a/drivers/power/regulator/Makefile +++ b/drivers/power/regulator/Makefile @@ -9,7 +9,7 @@ obj-$(CONFIG_REGULATOR_ACT8846) += act8846.o obj-$(CONFIG_REGULATOR_AS3722) += as3722_regulator.o obj-$(CONFIG_DM_REGULATOR_MAX77686) += max77686.o obj-$(CONFIG_$(SPL_)DM_PMIC_PFUZE100) += pfuze100.o -obj-$(CONFIG_REGULATOR_PWM) += pwm_regulator.o +obj-$(CONFIG_$(SPL_)REGULATOR_PWM) += pwm_regulator.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_FAN53555) += fan53555.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_FIXED) += fixed.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_GPIO) += gpio-regulator.o diff --git a/drivers/ram/rockchip/sdram_rk3128.c b/drivers/ram/rockchip/sdram_rk3128.c index 4968900211..df7b988703 100644 --- a/drivers/ram/rockchip/sdram_rk3128.c +++ b/drivers/ram/rockchip/sdram_rk3128.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2017 Rockchip Electronics Co., Ltd. */ diff --git a/drivers/ram/rockchip/sdram_rk3188.c b/drivers/ram/rockchip/sdram_rk3188.c index 3774abfa98..fdd500aa47 100644 --- a/drivers/ram/rockchip/sdram_rk3188.c +++ b/drivers/ram/rockchip/sdram_rk3188.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2015 Google, Inc * Copyright 2014 Rockchip Inc. diff --git a/drivers/ram/rockchip/sdram_rk322x.c b/drivers/ram/rockchip/sdram_rk322x.c index e079ef7a70..53835a9cd0 100644 --- a/drivers/ram/rockchip/sdram_rk322x.c +++ b/drivers/ram/rockchip/sdram_rk322x.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2017 Rockchip Electronics Co., Ltd */ diff --git a/drivers/ram/rockchip/sdram_rk3288.c b/drivers/ram/rockchip/sdram_rk3288.c index bb3cf48788..d1e52d84e7 100644 --- a/drivers/ram/rockchip/sdram_rk3288.c +++ b/drivers/ram/rockchip/sdram_rk3288.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2015 Google, Inc * Copyright 2014 Rockchip Inc. diff --git a/drivers/ram/rockchip/sdram_rk3328.c b/drivers/ram/rockchip/sdram_rk3328.c index 89d95b4f89..e8b234d866 100644 --- a/drivers/ram/rockchip/sdram_rk3328.c +++ b/drivers/ram/rockchip/sdram_rk3328.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2017 Rockchip Electronics Co., Ltd. */ diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 49ebd8809f..94dd01156a 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2016-2017 Rockchip Inc. * diff --git a/drivers/spi/sun4i_spi.c b/drivers/spi/sun4i_spi.c index b86b5a00ad..38cc743c61 100644 --- a/drivers/spi/sun4i_spi.c +++ b/drivers/spi/sun4i_spi.c @@ -129,7 +129,8 @@ static inline void sun4i_spi_drain_fifo(struct sun4i_spi_priv *priv, int len) while (len--) { byte = readb(&priv->regs->rxdata); - *priv->rx_buf++ = byte; + if (priv->rx_buf) + *priv->rx_buf++ = byte; } } diff --git a/drivers/w1/Kconfig b/drivers/w1/Kconfig index d6e045739d..031bab25ae 100644 --- a/drivers/w1/Kconfig +++ b/drivers/w1/Kconfig @@ -20,6 +20,20 @@ config W1_GPIO help Emulate a 1-wire bus using a GPIO. +config W1_MXC + bool "Enable 1-wire controller on i.MX processors" + default no + depends on ARCH_MX25 || ARCH_MX31 || ARCH_MX5 + help + Support the one wire controller found in some members of the NXP + i.MX SoC family. + There are currently two silicon variants: + V1: i.MX21, i.MX27, i.MX31, i.MX51 + V2: i.MX25, i.MX35, i.MX50, i.MX53 + Newer i.MX SoCs such as the i.MX6 do not have one wire controllers. + + The driver supports both silicon variants. + endif endmenu diff --git a/drivers/w1/Makefile b/drivers/w1/Makefile index 7fd8697f84..9825187b65 100644 --- a/drivers/w1/Makefile +++ b/drivers/w1/Makefile @@ -1,3 +1,4 @@ obj-$(CONFIG_W1) += w1-uclass.o obj-$(CONFIG_W1_GPIO) += w1-gpio.o +obj-$(CONFIG_W1_MXC) += mxc_w1.o diff --git a/drivers/w1/mxc_w1.c b/drivers/w1/mxc_w1.c new file mode 100644 index 0000000000..9279ba32b8 --- /dev/null +++ b/drivers/w1/mxc_w1.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for one wire controller in some i.MX Socs + * + * There are currently two silicon variants: + * V1: i.MX21, i.MX27, i.MX31, i.MX51 + * V2: i.MX25, i.MX35, i.MX50, i.MX53 + * Newer i.MX SoCs such as the i.MX6 do not have one wire controllers. + * + * The V1 controller only supports single bit operations. + * The V2 controller is backwards compatible on the register level but adds + * byte size operations and a "search ROM accelerator mode" + * + * This driver does not currently support the search ROM accelerator + * + * Copyright (c) 2018 Flowbird + * Martin Fuzzey <martin.fuzzey@flowbird.group> + */ + +#include <asm/arch/clock.h> +#include <common.h> +#include <dm.h> +#include <linux/io.h> +#include <w1.h> + +struct mxc_w1_regs { + u16 control; +#define MXC_W1_CONTROL_RPP BIT(7) +#define MXC_W1_CONTROL_PST BIT(6) +#define MXC_W1_CONTROL_WR(x) BIT(5 - (x)) +#define MXC_W1_CONTROL_RDST BIT(3) + + u16 time_divider; + u16 reset; + + /* Registers below on V2 silicon only */ + u16 command; + u16 tx_rx; + u16 interrupt; +#define MXC_W1_INTERRUPT_TBE BIT(2) +#define MXC_W1_INTERRUPT_TSRE BIT(3) +#define MXC_W1_INTERRUPT_RBF BIT(4) +#define MXC_W1_INTERRUPT_RSRF BIT(5) + + u16 interrupt_en; +}; + +struct mxc_w1_pdata { + struct mxc_w1_regs *regs; +}; + +/* + * this is the low level routine to read/write a bit on the One Wire + * interface on the hardware. It does write 0 if parameter bit is set + * to 0, otherwise a write 1/read. + */ +static u8 mxc_w1_touch_bit(struct mxc_w1_pdata *pdata, u8 bit) +{ + u16 *ctrl_addr = &pdata->regs->control; + u16 mask = MXC_W1_CONTROL_WR(bit); + unsigned int timeout_cnt = 400; /* Takes max. 120us according to + * datasheet. + */ + + writew(mask, ctrl_addr); + + while (timeout_cnt--) { + if (!(readw(ctrl_addr) & mask)) + break; + + udelay(1); + } + + return (readw(ctrl_addr) & MXC_W1_CONTROL_RDST) ? 1 : 0; +} + +static u8 mxc_w1_read_byte(struct udevice *dev) +{ + struct mxc_w1_pdata *pdata = dev_get_platdata(dev); + struct mxc_w1_regs *regs = pdata->regs; + u16 status; + + if (dev_get_driver_data(dev) < 2) { + int i; + u8 ret = 0; + + for (i = 0; i < 8; i++) + ret |= (mxc_w1_touch_bit(pdata, 1) << i); + + return ret; + } + + readw(®s->tx_rx); + writew(0xFF, ®s->tx_rx); + + do { + udelay(1); /* Without this bytes are sometimes duplicated... */ + status = readw(®s->interrupt); + } while (!(status & MXC_W1_INTERRUPT_RBF)); + + return (u8)readw(®s->tx_rx); +} + +static void mxc_w1_write_byte(struct udevice *dev, u8 byte) +{ + struct mxc_w1_pdata *pdata = dev_get_platdata(dev); + struct mxc_w1_regs *regs = pdata->regs; + u16 status; + + if (dev_get_driver_data(dev) < 2) { + int i; + + for (i = 0; i < 8; i++) + mxc_w1_touch_bit(pdata, (byte >> i) & 0x1); + + return; + } + + readw(®s->tx_rx); + writew(byte, ®s->tx_rx); + + do { + udelay(1); + status = readw(®s->interrupt); + } while (!(status & MXC_W1_INTERRUPT_TSRE)); +} + +static bool mxc_w1_reset(struct udevice *dev) +{ + struct mxc_w1_pdata *pdata = dev_get_platdata(dev); + u16 reg_val; + + writew(MXC_W1_CONTROL_RPP, &pdata->regs->control); + + do { + reg_val = readw(&pdata->regs->control); + } while (reg_val & MXC_W1_CONTROL_RPP); + + return !(reg_val & MXC_W1_CONTROL_PST); +} + +static u8 mxc_w1_triplet(struct udevice *dev, bool bdir) +{ + struct mxc_w1_pdata *pdata = dev_get_platdata(dev); + u8 id_bit = mxc_w1_touch_bit(pdata, 1); + u8 comp_bit = mxc_w1_touch_bit(pdata, 1); + u8 retval; + + if (id_bit && comp_bit) + return 0x03; /* error */ + + if (!id_bit && !comp_bit) { + /* Both bits are valid, take the direction given */ + retval = bdir ? 0x04 : 0; + } else { + /* Only one bit is valid, take that direction */ + bdir = id_bit; + retval = id_bit ? 0x05 : 0x02; + } + + mxc_w1_touch_bit(pdata, bdir); + + return retval; +} + +static int mxc_w1_ofdata_to_platdata(struct udevice *dev) +{ + struct mxc_w1_pdata *pdata = dev_get_platdata(dev); + fdt_addr_t addr; + + addr = devfdt_get_addr(dev); + if (addr == FDT_ADDR_T_NONE) + return -EINVAL; + + pdata->regs = (struct mxc_w1_regs *)addr; + + return 0; +}; + +static int mxc_w1_probe(struct udevice *dev) +{ + struct mxc_w1_pdata *pdata = dev_get_platdata(dev); + unsigned int clkrate = mxc_get_clock(MXC_IPG_PERCLK); + unsigned int clkdiv; + + if (clkrate < 10000000) { + dev_err(dev, "input clock frequency (%u Hz) too low\n", + clkrate); + return -EINVAL; + } + + clkdiv = clkrate / 1000000; + clkrate /= clkdiv; + if (clkrate < 980000 || clkrate > 1020000) { + dev_err(dev, "Incorrect time base frequency %u Hz\n", clkrate); + return -EINVAL; + } + + writew(clkdiv - 1, &pdata->regs->time_divider); + + return 0; +} + +static const struct w1_ops mxc_w1_ops = { + .read_byte = mxc_w1_read_byte, + .reset = mxc_w1_reset, + .triplet = mxc_w1_triplet, + .write_byte = mxc_w1_write_byte, +}; + +static const struct udevice_id mxc_w1_id[] = { + { .compatible = "fsl,imx21-owire", .data = 1 }, + { .compatible = "fsl,imx27-owire", .data = 1 }, + { .compatible = "fsl,imx31-owire", .data = 1 }, + { .compatible = "fsl,imx51-owire", .data = 1 }, + + { .compatible = "fsl,imx25-owire", .data = 2 }, + { .compatible = "fsl,imx35-owire", .data = 2 }, + { .compatible = "fsl,imx50-owire", .data = 2 }, + { .compatible = "fsl,imx53-owire", .data = 2 }, + { }, +}; + +U_BOOT_DRIVER(mxc_w1_drv) = { + .id = UCLASS_W1, + .name = "mxc_w1_drv", + .of_match = mxc_w1_id, + .ofdata_to_platdata = mxc_w1_ofdata_to_platdata, + .ops = &mxc_w1_ops, + .platdata_auto_alloc_size = sizeof(struct mxc_w1_pdata), + .probe = mxc_w1_probe, +}; diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index b6974ad619..10fd3039aa 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -11,6 +11,12 @@ config WATCHDOG config HW_WATCHDOG bool +config WATCHDOG_RESET_DISABLE + bool "Disable reset watchdog" + help + Disable reset watchdog, which can let WATCHDOG_RESET invalid, so + that the watchdog will not be fed in u-boot. + config BCM2835_WDT bool "Enable BCM2835/2836 watchdog driver" select HW_WATCHDOG diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 74738eeaf7..d901240ad1 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -7,6 +7,8 @@ obj-$(CONFIG_WDT_AT91) += at91sam9_wdt.o obj-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o ifneq (,$(filter $(SOC), mx25 mx31 mx35 mx5 mx6 mx7 vf610)) obj-y += imx_watchdog.o +else +obj-$(CONFIG_IMX_WATCHDOG) += imx_watchdog.o endif obj-$(CONFIG_S5P) += s5p_wdt.o obj-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o diff --git a/drivers/watchdog/imx_watchdog.c b/drivers/watchdog/imx_watchdog.c index 3f826d10eb..14cc618074 100644 --- a/drivers/watchdog/imx_watchdog.c +++ b/drivers/watchdog/imx_watchdog.c @@ -8,15 +8,20 @@ #include <asm/io.h> #include <watchdog.h> #include <asm/arch/imx-regs.h> +#ifdef CONFIG_FSL_LSCH2 +#include <asm/arch/immap_lsch2.h> +#endif #include <fsl_wdog.h> #ifdef CONFIG_IMX_WATCHDOG void hw_watchdog_reset(void) { +#ifndef CONFIG_WATCHDOG_RESET_DISABLE struct watchdog_regs *wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR; writew(0x5555, &wdog->wsr); writew(0xaaaa, &wdog->wsr); +#endif /* CONFIG_WATCHDOG_RESET_DISABLE*/ } void hw_watchdog_init(void) @@ -33,8 +38,12 @@ void hw_watchdog_init(void) #define CONFIG_WATCHDOG_TIMEOUT_MSECS 128000 #endif timeout = (CONFIG_WATCHDOG_TIMEOUT_MSECS / 500) - 1; +#ifdef CONFIG_FSL_LSCH2 + writew((WCR_WDA | WCR_SRS | WCR_WDE) << 8 | timeout, &wdog->wcr); +#else writew(WCR_WDZST | WCR_WDBG | WCR_WDE | WCR_WDT | WCR_SRS | WCR_WDA | SET_WCR_WT(timeout), &wdog->wcr); +#endif /* CONFIG_FSL_LSCH2*/ hw_watchdog_reset(); } #endif |