| /* |
| * Copyright (C) 2014 Freescale Semiconductor, Inc. |
| * |
| * 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/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/io.h> |
| #include <linux/sizes.h> |
| #include <common.h> |
| #include <fsl_esdhc.h> |
| #include <mmc.h> |
| #include <miiphy.h> |
| #include <netdev.h> |
| #ifdef CONFIG_SYS_I2C_MXC |
| #include <i2c.h> |
| #include <asm/imx-common/mxc_i2c.h> |
| #endif |
| #include <asm/arch/crm_regs.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_47K_UP | PAD_CTL_SPEED_LOW | \ |
| PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| |
| #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ |
| PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) |
| |
| #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_SPEED_MED | PAD_CTL_SRE_FAST) |
| |
| #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 EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_HYS) |
| |
| #define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) |
| #define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_SRE_FAST) |
| #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) |
| |
| #define SPI_PAD_CTRL (PAD_CTL_HYS | \ |
| PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) |
| |
| #define WEIM_NOR_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) |
| |
| #define WEIM_NOR_PAD_CTRL2 (PAD_CTL_HYS | PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm) |
| |
| |
| #ifdef CONFIG_SYS_I2C_MXC |
| #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) |
| /* I2C1 for PMIC */ |
| struct i2c_pads_info i2c_pad_info1 = { |
| .scl = { |
| .i2c_mode = MX6SX_PAD_GPIO1_IO00__I2C1_SCL | PC, |
| .gpio_mode = MX6SX_PAD_GPIO1_IO00__GPIO1_IO_0 | PC, |
| .gp = IMX_GPIO_NR(1, 0), |
| }, |
| .sda = { |
| .i2c_mode = MX6SX_PAD_GPIO1_IO01__I2C1_SDA | PC, |
| .gpio_mode = MX6SX_PAD_GPIO1_IO01__GPIO1_IO_1 | PC, |
| .gp = IMX_GPIO_NR(1, 1), |
| }, |
| }; |
| |
| /* I2C2 */ |
| struct i2c_pads_info i2c_pad_info2 = { |
| .scl = { |
| .i2c_mode = MX6SX_PAD_GPIO1_IO02__I2C2_SCL | PC, |
| .gpio_mode = MX6SX_PAD_GPIO1_IO02__GPIO1_IO_2 | PC, |
| .gp = IMX_GPIO_NR(1, 2), |
| }, |
| .sda = { |
| .i2c_mode = MX6SX_PAD_GPIO1_IO03__I2C2_SDA | PC, |
| .gpio_mode = MX6SX_PAD_GPIO1_IO03__GPIO1_IO_3 | PC, |
| .gp = IMX_GPIO_NR(1, 3), |
| }, |
| }; |
| #endif |
| |
| int dram_init(void) |
| { |
| gd->ram_size = PHYS_SDRAM_SIZE; |
| |
| return 0; |
| } |
| |
| static iomux_v3_cfg_t const uart1_pads[] = { |
| MX6SX_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6SX_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc2_pads[] = { |
| MX6SX_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc3_pads[] = { |
| MX6SX_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| |
| /*CD pin*/ |
| MX6SX_PAD_KEY_COL0__GPIO2_IO_10 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc4_pads[] = { |
| MX6SX_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA4__USDHC4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6SX_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| |
| #ifdef CONFIG_FEC_MXC |
| static iomux_v3_cfg_t const fec1_pads[] = { |
| MX6SX_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6SX_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6SX_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6SX_PAD_RGMII1_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6SX_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6SX_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6SX_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6SX_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| |
| /* AR8031 PHY Reset. For arm2 board, silder the resistance */ |
| MX6SX_PAD_QSPI1A_SS0_B__GPIO4_IO_22 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| static void setup_iomux_fec1(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); |
| |
| /* Reset AR8031 PHY */ |
| gpio_direction_output(IMX_GPIO_NR(4, 22) , 0); |
| udelay(500); |
| gpio_set_value(IMX_GPIO_NR(4, 22), 1); |
| } |
| #endif |
| |
| static void setup_iomux_uart(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); |
| } |
| |
| #ifdef CONFIG_QSPI |
| |
| #define QSPI_PAD_CTRL1 \ |
| (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_60ohm) |
| |
| #define QSPI_PAD_CTRL2 (QSPI_PAD_CTRL1 | PAD_CTL_DSE_34ohm) |
| |
| static iomux_v3_cfg_t const quadspi_pads[] = { |
| MX6SX_PAD_NAND_WP_B__QSPI2_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_READY_B__QSPI2_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_CE0_B__QSPI2_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_CE1_B__QSPI2_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_CLE__QSPI2_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_ALE__QSPI2_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_DATA01__QSPI2_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_DATA00__QSPI2_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_WE_B__QSPI2_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_RE_B__QSPI2_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_DATA03__QSPI2_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| MX6SX_PAD_NAND_DATA02__QSPI2_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), |
| |
| }; |
| |
| int board_qspi_init(void) |
| { |
| /* Set the iomux */ |
| imx_iomux_v3_setup_multiple_pads(quadspi_pads, ARRAY_SIZE(quadspi_pads)); |
| |
| /* Set the clock */ |
| enable_qspi_clk(1); |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_FSL_ESDHC |
| static struct fsl_esdhc_cfg usdhc_cfg[3] = { |
| {USDHC2_BASE_ADDR, 0, 4}, |
| {USDHC3_BASE_ADDR}, |
| {USDHC4_BASE_ADDR}, |
| }; |
| |
| #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 10) |
| |
| int mmc_get_env_devno(void) |
| { |
| u32 soc_sbmr = readl(SRC_BASE_ADDR + 0x4); |
| u32 dev_no; |
| u32 bootsel; |
| |
| bootsel = (soc_sbmr & 0x000000FF) >> 6 ; |
| |
| /* If not boot from sd/mmc, use default value */ |
| if (bootsel != 1) |
| return CONFIG_SYS_MMC_ENV_DEV; |
| |
| /* BOOT_CFG2[3] and BOOT_CFG2[4] */ |
| dev_no = (soc_sbmr & 0x00001800) >> 11; |
| |
| /* need ubstract 2 to map to the mmc device id |
| * see the comments in board_mmc_init function |
| */ |
| |
| #ifdef CONFIG_SYS_USE_SPINOR |
| dev_no -= 2; |
| #else |
| dev_no--; |
| #endif |
| |
| return dev_no; |
| } |
| |
| int mmc_map_to_kernel_blk(int dev_no) |
| { |
| #ifdef CONFIG_SYS_USE_SPINOR |
| return dev_no + 2; |
| #else |
| return dev_no + 1; |
| #endif |
| } |
| |
| int board_mmc_getcd(struct mmc *mmc) |
| { |
| struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; |
| int ret = 0; |
| |
| switch (cfg->esdhc_base) { |
| case USDHC2_BASE_ADDR: |
| ret = 1; /*always present */ |
| break; |
| case USDHC3_BASE_ADDR: |
| ret = !gpio_get_value(USDHC3_CD_GPIO); |
| break; |
| case USDHC4_BASE_ADDR: |
| ret = 1; /*always present */ |
| break; |
| } |
| |
| return ret; |
| } |
| |
| #ifdef CONFIG_SYS_USE_SPINOR |
| int board_mmc_init(bd_t *bis) |
| { |
| int i; |
| |
| /* |
| * According to the board_mmc_init() the following map is done: |
| * (U-boot device node) (Physical Port) |
| * mmc0 SD3 (SDB) |
| * mmc1 eMMC |
| */ |
| for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { |
| switch (i) { |
| case 0: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); |
| gpio_direction_input(USDHC3_CD_GPIO); |
| usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| break; |
| case 1: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); |
| usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); |
| break; |
| default: |
| printf("Warning: you configured more USDHC controllers" |
| "(%d) than supported by the board\n", i + 1); |
| return 0; |
| } |
| |
| if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) |
| printf("Warning: failed to initialize mmc dev %d\n", i); |
| } |
| |
| return 0; |
| } |
| |
| #else |
| int board_mmc_init(bd_t *bis) |
| { |
| int i; |
| |
| /* |
| * According to the board_mmc_init() the following map is done: |
| * (U-boot device node) (Physical Port) |
| * mmc0 SD2 (SDA) |
| * mmc1 SD3 (SDB) |
| * mmc2 eMMC |
| */ |
| for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { |
| switch (i) { |
| case 0: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); |
| break; |
| case 1: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); |
| gpio_direction_input(USDHC3_CD_GPIO); |
| usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| break; |
| case 2: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); |
| usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); |
| break; |
| default: |
| printf("Warning: you configured more USDHC controllers" |
| "(%d) than supported by the board\n", i + 1); |
| return 0; |
| } |
| |
| if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) |
| printf("Warning: failed to initialize mmc dev %d\n", i); |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| int check_mmc_autodetect(void) |
| { |
| char *autodetect_str = getenv("mmcautodetect"); |
| |
| if ((autodetect_str != NULL) && |
| (strcmp(autodetect_str, "yes") == 0)) { |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| void board_late_mmc_init(void) |
| { |
| char cmd[32]; |
| char mmcblk[32]; |
| u32 dev_no = mmc_get_env_devno(); |
| |
| if (!check_mmc_autodetect()) |
| return; |
| |
| setenv_ulong("mmcdev", dev_no); |
| |
| /* Set mmcblk env */ |
| sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", |
| mmc_map_to_kernel_blk(dev_no)); |
| setenv("mmcroot", mmcblk); |
| |
| sprintf(cmd, "mmc dev %d", dev_no); |
| run_command(cmd, 0); |
| } |
| |
| #endif |
| |
| #ifdef CONFIG_SYS_USE_SPINOR |
| iomux_v3_cfg_t const ecspi4_pads[] = { |
| MX6SX_PAD_SD2_CLK__ECSPI4_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), |
| MX6SX_PAD_SD2_DATA3__ECSPI4_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), |
| MX6SX_PAD_SD2_CMD__ECSPI4_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), |
| MX6SX_PAD_SD2_DATA2__GPIO6_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| void setup_spinor(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(ecspi4_pads, |
| ARRAY_SIZE(ecspi4_pads)); |
| gpio_direction_output(IMX_GPIO_NR(6, 10), 0); |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_USE_EIMNOR |
| iomux_v3_cfg_t eimnor_pads[] = { |
| MX6SX_PAD_NAND_DATA00__WEIM_AD_0 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA01__WEIM_AD_1 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA02__WEIM_AD_2 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA03__WEIM_AD_3 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA04__WEIM_AD_4 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA05__WEIM_AD_5 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA06__WEIM_AD_6 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_DATA07__WEIM_AD_7 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA08__WEIM_AD_8 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA09__WEIM_AD_9 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA10__WEIM_AD_10 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA11__WEIM_AD_11 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL) , |
| MX6SX_PAD_LCD1_DATA12__WEIM_AD_12 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA13__WEIM_AD_13 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA14__WEIM_AD_14 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA15__WEIM_AD_15 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA16__WEIM_ADDR_16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA17__WEIM_ADDR_17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA18__WEIM_ADDR_18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA19__WEIM_ADDR_19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA20__WEIM_ADDR_20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA21__WEIM_ADDR_21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA22__WEIM_ADDR_22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA23__WEIM_ADDR_23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA03__WEIM_ADDR_24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_LCD1_DATA04__WEIM_ADDR_25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| |
| MX6SX_PAD_NAND_CE0_B__WEIM_LBA_B | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_CE1_B__WEIM_OE | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_RE_B__WEIM_RW | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| MX6SX_PAD_NAND_WE_B__WEIM_WAIT | MUX_PAD_CTRL(NO_PAD_CTRL), |
| |
| MX6SX_PAD_NAND_ALE__WEIM_CS0_B | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), |
| }; |
| static void eimnor_cs_setup(void) |
| { |
| writel(0x00000120, WEIM_BASE_ADDR + 0x090); |
| writel(0x00610089, WEIM_BASE_ADDR + 0x000); |
| writel(0x00000001, WEIM_BASE_ADDR + 0x004); |
| writel(0x1c022000, WEIM_BASE_ADDR + 0x008); |
| writel(0x00000000, WEIM_BASE_ADDR + 0x00c); |
| writel(0x1404a38e, WEIM_BASE_ADDR + 0x010); |
| } |
| |
| static void setup_eimnor(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(eimnor_pads, |
| ARRAY_SIZE(eimnor_pads)); |
| |
| eimnor_cs_setup(); |
| } |
| #endif |
| |
| #ifdef CONFIG_SYS_USE_NAND |
| iomux_v3_cfg_t gpmi_pads[] = { |
| MX6SX_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0), |
| MX6SX_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6SX_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| }; |
| |
| static void setup_gpmi_nand(void) |
| { |
| struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| |
| /* config gpmi nand iomux */ |
| imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); |
| |
| /* Disable the QSPI2 root clock */ |
| clrbits_le32(&mxc_ccm->CCGR4, MXC_CCM_CCGR4_QSPI2_ENFC_MASK |
| | MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK); |
| |
| /* config gpmi and bch clock to 100 MHz */ |
| clrsetbits_le32(&mxc_ccm->cs2cdr, |
| MXC_CCM_CS2CDR_QSPI2_CLK_PODF_MASK | |
| MXC_CCM_CS2CDR_QSPI2_CLK_PRED_MASK | |
| MXC_CCM_CS2CDR_QSPI2_CLK_SEL_MASK, |
| MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) | |
| MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) | |
| MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3)); |
| |
| /* enable gpmi and bch clock gating */ |
| setbits_le32(&mxc_ccm->CCGR4, |
| MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | |
| MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | |
| MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | |
| MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | |
| MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK | |
| MXC_CCM_CCGR4_QSPI2_ENFC_MASK); |
| |
| /* enable apbh clock gating */ |
| setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); |
| } |
| #endif |
| |
| #ifdef CONFIG_FEC_MXC |
| int board_eth_init(bd_t *bis) |
| { |
| int ret; |
| |
| setup_iomux_fec1(); |
| |
| ret = fecmxc_initialize_multi(bis, 0, |
| CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); |
| if (ret) |
| printf("FEC1 MXC: %s:failed\n", __func__); |
| |
| return 0; |
| } |
| |
| static int setup_fec(void) |
| { |
| struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs |
| = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; |
| int ret; |
| unsigned char value = 1; |
| |
| /* clear gpr1[13], gpr1[17] to select anatop clock */ |
| clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0); |
| |
| ret = enable_fec_anatop_clock(0, ENET_125MHz); |
| if (ret) |
| return ret; |
| |
| enable_enet_clock(); |
| |
| #ifdef CONFIG_FEC_ENABLE_MAX7322 |
| /* release max7322 from reset */ |
| gpio_direction_output(IMX_GPIO_NR(4, 22) , 1); |
| |
| /* This is needed to drive the pads to 1.8V instead of 1.5V */ |
| i2c_set_bus_num(CONFIG_MAX7322_I2C_BUS); |
| |
| if (!i2c_probe(CONFIG_MAX7322_I2C_ADDR)) { |
| /* Write 0x1 to enable O0 output, this device has no addr */ |
| /* hence addr length is 0 */ |
| value = 0x1; |
| if (i2c_write(CONFIG_MAX7322_I2C_ADDR, 0, 0, &value, 1)) |
| printf("MAX7322 write failed\n"); |
| } else { |
| printf("MAX7322 Not found\n"); |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| #ifdef CONFIG_FEC_ENABLE_MAX7322 |
| /* Enable 1.8V(SEL_1P5_1P8_POS_REG) on |
| Phy control debug reg 0 */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); |
| #endif |
| |
| /* rgmii tx clock delay enable */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); |
| |
| if (phydev->drv->config) |
| phydev->drv->config(phydev); |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_PFUZE100_PMIC_I2C |
| #define PFUZE100_DEVICEID 0x0 |
| #define PFUZE100_REVID 0x3 |
| #define PFUZE100_FABID 0x4 |
| |
| #define PFUZE100_SW1ABVOL 0x20 |
| #define PFUZE100_SW1ABSTBY 0x21 |
| #define PFUZE100_SW1ABCONF 0x24 |
| #define PFUZE100_SW1CVOL 0x2e |
| #define PFUZE100_SW1CSTBY 0x2f |
| #define PFUZE100_SW1CCONF 0x32 |
| #define PFUZE100_SW1ABC_SETP(x) ((x-3000)/250) |
| |
| /* set all switches APS in normal and PFM mode in standby */ |
| static int setup_pmic_mode(int chip) |
| { |
| unsigned char offset, i, switch_num, value; |
| |
| if (!chip) { |
| /* pfuze100 */ |
| switch_num = 6; |
| offset = 0x31; |
| } else { |
| /* pfuze200 */ |
| switch_num = 4; |
| offset = 0x38; |
| } |
| |
| value = 0xc; |
| if (i2c_write(0x8, 0x23, 1, &value, 1)) { |
| printf("Set SW1AB mode error!\n"); |
| return -1; |
| } |
| |
| for (i = 0; i < switch_num - 1; i++) { |
| if (i2c_write(0x8, offset + i * 7, 1, &value, 1)) { |
| printf("Set switch%x mode error!\n", offset); |
| return -1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int setup_pmic_voltages(void) |
| { |
| unsigned char value, rev_id = 0; |
| |
| i2c_set_bus_num(CONFIG_PMIC_I2C_BUS); |
| |
| if (!i2c_probe(CONFIG_PMIC_I2C_SLAVE)) { |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_DEVICEID, 1, &value, 1)) { |
| printf("Read device ID error!\n"); |
| return -1; |
| } |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_REVID, 1, &rev_id, 1)) { |
| printf("Read Rev ID error!\n"); |
| return -1; |
| } |
| printf("Found PFUZE100! deviceid 0x%x, revid 0x%x\n", value, rev_id); |
| |
| if (setup_pmic_mode(value & 0xf)) { |
| printf("setup pmic mode error!\n"); |
| return -1; |
| } |
| /* set SW1AB staby volatage 0.975V */ |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABSTBY, 1, &value, 1)) { |
| printf("Read SW1ABSTBY error!\n"); |
| return -1; |
| } |
| value &= ~0x3f; |
| value |= PFUZE100_SW1ABC_SETP(9750); |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABSTBY, 1, &value, 1)) { |
| printf("Set SW1ABSTBY error!\n"); |
| return -1; |
| } |
| |
| /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABCONF, 1, &value, 1)) { |
| printf("Read SW1ABCONFIG error!\n"); |
| return -1; |
| } |
| value &= ~0xc0; |
| value |= 0x40; |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABCONF, 1, &value, 1)) { |
| printf("Set SW1ABCONFIG error!\n"); |
| return -1; |
| } |
| |
| /* set SW1C staby volatage 0.975V */ |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CSTBY, 1, &value, 1)) { |
| printf("Read SW1CSTBY error!\n"); |
| return -1; |
| } |
| value &= ~0x3f; |
| value |= PFUZE100_SW1ABC_SETP(9750); |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CSTBY, 1, &value, 1)) { |
| printf("Set SW1CSTBY error!\n"); |
| return -1; |
| } |
| |
| /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CCONF, 1, &value, 1)) { |
| printf("Read SW1CCONFIG error!\n"); |
| return -1; |
| } |
| value &= ~0xc0; |
| value |= 0x40; |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CCONF, 1, &value, 1)) { |
| printf("Set SW1CCONFIG error!\n"); |
| return -1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_LDO_BYPASS_CHECK |
| void ldo_mode_set(int ldo_bypass) |
| { |
| unsigned char value; |
| int is_400M; |
| u32 vddarm; |
| /* swith to ldo_bypass mode */ |
| if (ldo_bypass) { |
| prep_anatop_bypass(); |
| /* decrease VDDARM to 1.275V */ |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABVOL, 1, &value, 1)) { |
| printf("Read SW1AB error!\n"); |
| return; |
| } |
| value &= ~0x3f; |
| value |= PFUZE100_SW1ABC_SETP(12750); |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABVOL, 1, &value, 1)) { |
| printf("Set SW1AB error!\n"); |
| return; |
| } |
| /* decrease VDDSOC to 1.3V */ |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CVOL, 1, &value, 1)) { |
| printf("Read SW1C error!\n"); |
| return; |
| } |
| value &= ~0x3f; |
| value |= PFUZE100_SW1ABC_SETP(13000); |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CVOL, 1, &value, 1)) { |
| printf("Set SW1C error!\n"); |
| return; |
| } |
| |
| is_400M = set_anatop_bypass(1); |
| if (is_400M) |
| vddarm = PFUZE100_SW1ABC_SETP(10750); |
| else |
| vddarm = PFUZE100_SW1ABC_SETP(11750); |
| |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABVOL, 1, &value, 1)) { |
| printf("Read SW1AB error!\n"); |
| return; |
| } |
| value &= ~0x3f; |
| value |= vddarm; |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1ABVOL, 1, &value, 1)) { |
| printf("Set SW1AB error!\n"); |
| return; |
| } |
| |
| if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CVOL, 1, &value, 1)) { |
| printf("Read SW1C error!\n"); |
| return; |
| } |
| value &= ~0x3f; |
| value |= PFUZE100_SW1ABC_SETP(11750); |
| if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE100_SW1CVOL, 1, &value, 1)) { |
| printf("Set SW1C error!\n"); |
| return; |
| } |
| |
| finish_anatop_bypass(); |
| printf("switch to ldo_bypass mode!\n"); |
| } |
| |
| } |
| #endif |
| #endif |
| |
| 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; |
| |
| #ifdef CONFIG_SYS_I2C_MXC |
| setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); |
| setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); |
| #endif |
| |
| #ifdef CONFIG_FEC_MXC |
| setup_fec(); |
| #endif |
| |
| #ifdef CONFIG_SYS_USE_SPINOR |
| setup_spinor(); |
| #endif |
| |
| #ifdef CONFIG_SYS_USE_EIMNOR |
| setup_eimnor(); |
| #endif |
| |
| #ifdef CONFIG_SYS_USE_NAND |
| setup_gpmi_nand(); |
| #endif |
| |
| #ifdef CONFIG_QSPI |
| board_qspi_init(); |
| #endif |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_CMD_BMODE |
| static const struct boot_mode board_boot_modes[] = { |
| /* 4 bit bus width */ |
| {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, |
| {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, |
| {"emmc", MAKE_CFGVAL(0x60, 0x38, 0x00, 0x00)}, |
| {"qspi2", MAKE_CFGVAL(0x18, 0x00, 0x00, 0x00)}, |
| {"spinor", MAKE_CFGVAL(0x30, 0x00, 0x00, 0x0B)}, |
| {"nand", MAKE_CFGVAL(0x80, 0x00, 0x00, 0x00)}, |
| {NULL, 0}, |
| }; |
| #endif |
| |
| int board_late_init(void) |
| { |
| #ifdef CONFIG_CMD_BMODE |
| add_board_boot_modes(board_boot_modes); |
| #endif |
| |
| #ifdef CONFIG_PFUZE100_PMIC_I2C |
| int ret = 0; |
| |
| ret = setup_pmic_voltages(); |
| if (ret) |
| return -1; |
| #endif |
| |
| #ifdef CONFIG_ENV_IS_IN_MMC |
| board_late_mmc_init(); |
| #endif |
| |
| return 0; |
| } |
| |
| u32 get_board_rev(void) |
| { |
| return get_cpu_rev(); |
| } |
| |
| int checkboard(void) |
| { |
| #ifdef CONFIG_MX6SX_14x14 |
| puts("Board: MX6SX 14x14 ARM2\n"); |
| #else |
| puts("Board: MX6SX 17x17 ARM2\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_USB_EHCI_MX6 |
| iomux_v3_cfg_t const usb_otg1_pads[] = { |
| MX6SX_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6SX_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL) |
| }; |
| |
| iomux_v3_cfg_t const usb_otg2_pads[] = { |
| MX6SX_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| int board_ehci_hcd_init(int port) |
| { |
| switch (port) { |
| case 0: |
| imx_iomux_v3_setup_multiple_pads(usb_otg1_pads, |
| ARRAY_SIZE(usb_otg1_pads)); |
| break; |
| case 1: |
| imx_iomux_v3_setup_multiple_pads(usb_otg2_pads, |
| ARRAY_SIZE(usb_otg2_pads)); |
| break; |
| default: |
| printf("MXC USB port %d not yet supported\n", port); |
| return 1; |
| } |
| return 0; |
| } |
| #endif |