| /* |
| * Copyright (C) 2015 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <asm/arch/clock.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/mx7-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> |
| #include <power/pmic.h> |
| #include <power/pfuze300_pmic.h> |
| #include "../common/pfuze.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_DSE_3P3V_49OHM | \ |
| PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) |
| #define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ |
| PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) |
| #define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ |
| PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) |
| #define SPI_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) |
| |
| #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 = MX7D_PAD_GPIO1_IO04__I2C1_SCL | PC, |
| .gpio_mode = MX7D_PAD_GPIO1_IO04__GPIO1_IO4 | PC, |
| .gp = IMX_GPIO_NR(1, 4), |
| }, |
| .sda = { |
| .i2c_mode = MX7D_PAD_GPIO1_IO05__I2C1_SDA | PC, |
| .gpio_mode = MX7D_PAD_GPIO1_IO05__GPIO1_IO5 | PC, |
| .gp = IMX_GPIO_NR(1, 5), |
| }, |
| }; |
| |
| /* I2C2 */ |
| struct i2c_pads_info i2c_pad_info2 = { |
| .scl = { |
| .i2c_mode = MX7D_PAD_GPIO1_IO06__I2C2_SCL | PC, |
| .gpio_mode = MX7D_PAD_GPIO1_IO06__GPIO1_IO6 | PC, |
| .gp = IMX_GPIO_NR(1, 6), |
| }, |
| .sda = { |
| .i2c_mode = MX7D_PAD_GPIO1_IO07__I2C2_SDA | PC, |
| .gpio_mode = MX7D_PAD_GPIO1_IO07__GPIO1_IO7 | PC, |
| .gp = IMX_GPIO_NR(1, 7), |
| }, |
| }; |
| #endif |
| |
| int dram_init(void) |
| { |
| gd->ram_size = PHYS_SDRAM_SIZE; |
| |
| return 0; |
| } |
| |
| static iomux_v3_cfg_t const uart1_pads[] = { |
| MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc2_emmc_pads[] = { |
| MX7D_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD2_DATA0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD2_DATA1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD2_DATA2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD2_DATA3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_ECSPI1_SCLK__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_ECSPI1_MOSI__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_ECSPI1_MISO__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_ECSPI1_SS0__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| |
| MX7D_PAD_SD2_RESET_B__GPIO5_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc3_pads[] = { |
| MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| |
| MX7D_PAD_GPIO1_IO14__GPIO1_IO14 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_GPIO1_IO15__GPIO1_IO15 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const wdog_pads[] = { |
| MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| static void setup_iomux_uart(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); |
| } |
| |
| #ifdef CONFIG_FSL_ESDHC |
| |
| #define USDHC3_CD_GPIO IMX_GPIO_NR(1, 14) |
| #define USDHC2_PWR_GPIO IMX_GPIO_NR(5, 11) |
| |
| static struct fsl_esdhc_cfg usdhc_cfg[2] = { |
| {USDHC2_BASE_ADDR}, |
| {USDHC3_BASE_ADDR, 0, 4}, |
| }; |
| |
| int mmc_get_env_devno(void) |
| { |
| struct bootrom_sw_info **p = |
| (struct bootrom_sw_info **)ROM_SW_INFO_ADDR; |
| |
| u8 boot_type = (*p)->boot_dev_type; |
| u8 dev_no = (*p)->boot_dev_instance; |
| |
| /* If not boot from sd/mmc, use default value */ |
| if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC)) |
| return CONFIG_SYS_MMC_ENV_DEV; |
| |
| return dev_no - 1; |
| } |
| |
| int mmc_map_to_kernel_blk(int dev_no) |
| { |
| return dev_no + 1; |
| } |
| |
| 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; /* uSDHC2 emmc always present */ |
| break; |
| case USDHC3_BASE_ADDR: |
| ret = !gpio_get_value(USDHC3_CD_GPIO); |
| break; |
| } |
| |
| return ret; |
| } |
| 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 USDHC2 (eMMC) |
| * mmc1 USDHC3 |
| */ |
| for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { |
| switch (i) { |
| case 0: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads)); |
| gpio_direction_output(USDHC2_PWR_GPIO, 1); |
| 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; |
| 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; |
| } |
| |
| 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 ecspi1_pads[] = { |
| MX7D_PAD_SD1_RESET_B__ECSPI4_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), |
| MX7D_PAD_SD1_WP__ECSPI4_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), |
| MX7D_PAD_SD1_CD_B__ECSPI4_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), |
| /* Chip selects CS0:CS3 */ |
| MX7D_PAD_SD1_CLK__GPIO5_IO3 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX7D_PAD_SD1_CMD__GPIO5_IO4 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX7D_PAD_SD1_DATA0__GPIO5_IO5 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX7D_PAD_SD1_DATA1__GPIO5_IO6 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| void setup_spinor(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(ecspi1_pads, |
| ARRAY_SIZE(ecspi1_pads)); |
| gpio_direction_output(IMX_GPIO_NR(5, 3), 0); |
| } |
| |
| int board_spi_cs_gpio(unsigned bus, unsigned cs) |
| { |
| return (bus == 3 && cs == 0) ? (IMX_GPIO_NR(5, 3)) : -1; |
| } |
| #endif |
| |
| int board_early_init_f(void) |
| { |
| setup_iomux_uart(); |
| |
| #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 |
| |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| /* address of boot parameters */ |
| gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| |
| #ifdef CONFIG_SYS_USE_SPINOR |
| setup_spinor(); |
| #endif |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_CMD_BMODE |
| static const struct boot_mode board_boot_modes[] = { |
| /* 4 bit bus width */ |
| {"emmc", MAKE_CFGVAL(0x10, 0x22, 0x00, 0x00)}, |
| {"sd3", MAKE_CFGVAL(0x10, 0x1a, 0x00, 0x00)}, |
| {NULL, 0}, |
| }; |
| #endif |
| |
| #ifdef CONFIG_POWER |
| #define I2C_PMIC 0 |
| int power_init_board(void) |
| { |
| struct pmic *p; |
| int ret; |
| unsigned int reg, rev_id; |
| |
| ret = power_pfuze300_init(I2C_PMIC); |
| if (ret) |
| return ret; |
| |
| p = pmic_get("PFUZE300"); |
| ret = pmic_probe(p); |
| if (ret) |
| return ret; |
| |
| pmic_reg_read(p, PFUZE300_DEVICEID, ®); |
| pmic_reg_read(p, PFUZE300_REVID, &rev_id); |
| printf("PMIC: PFUZE300 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id); |
| |
| /* disable Low Power Mode during standby mode */ |
| pmic_reg_read(p, PFUZE300_LDOGCTL, ®); |
| reg |= 0x1; |
| pmic_reg_write(p, PFUZE300_LDOGCTL, reg); |
| |
| /* SW1A/1B mode set to APS/APS */ |
| reg = 0x8; |
| pmic_reg_write(p, PFUZE300_SW1AMODE, reg); |
| pmic_reg_write(p, PFUZE300_SW1BMODE, reg); |
| |
| /* SW1A/1B standby voltage set to 1.025V */ |
| reg = 0xd; |
| pmic_reg_write(p, PFUZE300_SW1ASTBY, reg); |
| pmic_reg_write(p, PFUZE300_SW1BSTBY, reg); |
| |
| /* decrease SW1B normal voltage to 0.975V */ |
| pmic_reg_read(p, PFUZE300_SW1BVOLT, ®); |
| reg &= ~0x1f; |
| reg |= PFUZE300_SW1AB_SETP(975); |
| pmic_reg_write(p, PFUZE300_SW1BVOLT, reg); |
| |
| return 0; |
| } |
| #endif |
| |
| int board_late_init(void) |
| { |
| #ifdef CONFIG_CMD_BMODE |
| add_board_boot_modes(board_boot_modes); |
| #endif |
| |
| #ifdef CONFIG_ENV_IS_IN_MMC |
| board_late_mmc_init(); |
| #endif |
| |
| imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); |
| |
| set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR); |
| |
| return 0; |
| } |
| |
| u32 get_board_rev(void) |
| { |
| return get_cpu_rev(); |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: MX7D 12x12 DDR3 ARM2\n"); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_USB_EHCI_MX7 |
| iomux_v3_cfg_t const usb_otg1_pads[] = { |
| MX7D_PAD_UART3_TX_DATA__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| iomux_v3_cfg_t const usb_otg2_pads[] = { |
| MX7D_PAD_UART3_CTS_B__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 |