diff options
Diffstat (limited to 'board/ccv/xpress/xpress.c')
| -rw-r--r-- | board/ccv/xpress/xpress.c | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/board/ccv/xpress/xpress.c b/board/ccv/xpress/xpress.c new file mode 100644 index 0000000000..6fc76cd156 --- /dev/null +++ b/board/ccv/xpress/xpress.c @@ -0,0 +1,331 @@ +/* + * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/iomux.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/mx6ul_pins.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/io.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <i2c.h> +#include <miiphy.h> +#include <mmc.h> +#include <netdev.h> +#include <usb.h> +#include <usb/ehci-fsl.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) + +#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) + +#define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \ + PAD_CTL_SRE_FAST) + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) + +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO1_IO02__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO02 | PC, + .gp = IMX_GPIO_NR(1, 2), + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO1_IO03__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO03 | PC, + .gp = IMX_GPIO_NR(1, 3), + }, +}; + +static struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO1_IO00__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO00 | PC, + .gp = IMX_GPIO_NR(1, 0), + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO1_IO01__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO01 | PC, + .gp = IMX_GPIO_NR(1, 1), + }, +}; + +static struct i2c_pads_info i2c_pad_info4 = { + .scl = { + .i2c_mode = MX6_PAD_UART2_TX_DATA__I2C4_SCL | PC, + .gpio_mode = MX6_PAD_UART2_TX_DATA__GPIO1_IO20 | PC, + .gp = IMX_GPIO_NR(1, 20), + }, + .sda = { + .i2c_mode = MX6_PAD_UART2_RX_DATA__I2C4_SDA | PC, + .gpio_mode = MX6_PAD_UART2_RX_DATA__GPIO1_IO21 | PC, + .gp = IMX_GPIO_NR(1, 21), + }, +}; + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart4_pads[] = { + MX6_PAD_UART4_TX_DATA__UART4_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_UART4_RX_DATA__UART4_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart5_pads[] = { + MX6_PAD_GPIO1_IO04__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_GPIO1_IO05__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_GPIO1_IO09__UART5_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_GPIO1_IO08__UART5_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart8_pads[] = { + MX6_PAD_ENET2_TX_DATA1__UART8_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_ENET2_TX_EN__UART8_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_ENET2_TX_CLK__UART8_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_ENET2_RX_ER__UART8_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); + imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); + imx_iomux_v3_setup_multiple_pads(uart8_pads, ARRAY_SIZE(uart8_pads)); +} + +/* eMMC on USDHC2 */ +static iomux_v3_cfg_t const usdhc2_pads[] = { + MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* + * RST_B + */ + MX6_PAD_NAND_ALE__USDHC2_RESET_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static struct fsl_esdhc_cfg usdhc_cfg = { + .esdhc_base = USDHC2_BASE_ADDR, + .max_bus_width = 8, +}; + +#define USDHC2_PWR_GPIO IMX_GPIO_NR(1, 9) + +int board_mmc_getcd(struct mmc *mmc) +{ + /* eMMC is always present */ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + + usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + + return fsl_esdhc_initialize(bis, &usdhc_cfg); +} + +#define USB_OTHERREGS_OFFSET 0x800 +#define UCTRL_PWR_POL (1 << 9) + +static iomux_v3_cfg_t const usb_otg_pads[] = { + /* OTG1 */ + MX6_PAD_SD1_CMD__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD1_DATA0__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL), + /* OTG2 */ + MX6_PAD_SD1_DATA1__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD1_DATA3__ANATOP_OTG2_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL), +}; + +static void setup_usb(void) +{ + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, + ARRAY_SIZE(usb_otg_pads)); +} + +int board_usb_phy_mode(int port) +{ + if (port == 1) + return USB_INIT_HOST; + else + return usb_phy_mode(port); +} + +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_ctrl; + + if (port > 1) + return -EINVAL; + + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + + port * 4); + + /* Set Power polarity */ + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); + + return 0; +} + +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + + /* ENET1 reset */ + MX6_PAD_CSI_MCLK__GPIO4_IO17 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* ENET1 interrupt */ + MX6_PAD_CSI_PIXCLK__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +#define ENET_PHY_RESET_GPIO IMX_GPIO_NR(4, 17) + +int board_eth_init(bd_t *bis) +{ + int ret; + + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); + + /* Reset LAN8742 PHY */ + ret = gpio_request(ENET_PHY_RESET_GPIO, "phy-reset"); + if (!ret) + gpio_direction_output(ENET_PHY_RESET_GPIO , 0); + mdelay(10); + gpio_set_value(ENET_PHY_RESET_GPIO, 1); + mdelay(10); + + return cpu_eth_init(bis); +} + +static int setup_fec(int fec_id) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + /* + * Use 50M anatop loopback REF_CLK1 for ENET1, + * clear gpr1[13], set gpr1[17]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, + IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); + + ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ); + if (ret) + return ret; + + enable_enet_clk(1); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); + setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4); + + setup_fec(CONFIG_FEC_ENET_DEV); + + setup_usb(); + + return 0; +} + +static const struct boot_mode board_boot_modes[] = { + /* 8 bit bus width */ + {"emmc", MAKE_CFGVAL(0x60, 0x28, 0x00, 0x00)}, + { NULL, 0 }, +}; + +int board_late_init(void) +{ + add_board_boot_modes(board_boot_modes); + setenv("board_name", "xpress"); + + return 0; +} + +int checkboard(void) +{ + puts("Board: CCV-EVA xPress\n"); + + return 0; +} |