diff options
Diffstat (limited to 'board/congatec/cgtqmx8/cgtqmx8.c')
| -rw-r--r-- | board/congatec/cgtqmx8/cgtqmx8.c | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/board/congatec/cgtqmx8/cgtqmx8.c b/board/congatec/cgtqmx8/cgtqmx8.c new file mode 100644 index 0000000000..fb0cf09138 --- /dev/null +++ b/board/congatec/cgtqmx8/cgtqmx8.c @@ -0,0 +1,460 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 congatec AG + * Copyright (C) 2019 Oliver Graute <oliver.graute@kococonnector.com> + */ +#include <common.h> +#include <errno.h> +#include <linux/libfdt.h> +#include <fsl_esdhc.h> +#include <init.h> + +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/arch/clock.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/imx8-pins.h> +#include <usb.h> +#include <asm/arch/iomux.h> +#include <asm/arch/sys_proto.h> +#include <linux/delay.h> +#include <power-domain.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define ESDHC_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define ESDHC_CLK_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define ENET_INPUT_PAD_CTRL ((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define ENET_NORMAL_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define FSPI_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define I2C_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +static iomux_cfg_t uart0_pads[] = { + SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +void board_late_mmc_env_init(void); +void init_clk_usdhc(u32 index); +int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg); + +static void setup_iomux_uart(void) +{ + imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads)); +} + +int board_early_init_f(void) +{ + /* sc_ipc_t ipcHndl = 0; */ + sc_err_t scierr = 0; + + /* When start u-boot in XEN VM, directly return */ + /* if (IS_ENABLED(CONFIG_XEN)) */ + /* return 0; */ + + /* ipcHndl = gd->arch.ipc_channel_handle; */ + + /* Power up UART0, this is very early while power domain is not working */ + scierr = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON); + if (scierr != SC_ERR_NONE) + return 0; + + /* Set UART0 clock root to 80 MHz */ + sc_pm_clock_rate_t rate = 80000000; + + scierr = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate); + if (scierr != SC_ERR_NONE) + return 0; + + /* Enable UART0 clock root */ + scierr = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false); + if (scierr != SC_ERR_NONE) + return 0; + + setup_iomux_uart(); + + return 0; +} + +#if IS_ENABLED(CONFIG_FSL_ESDHC_IMX) + +#define USDHC1_CD_GPIO IMX_GPIO_NR(5, 22) +#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 12) + +static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { + {USDHC1_BASE_ADDR, 0, 8}, + {USDHC2_BASE_ADDR, 0, 4}, + {USDHC3_BASE_ADDR, 0, 4}, +}; + +static iomux_cfg_t emmc0[] = { + SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL), + SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL), +}; + +static iomux_cfg_t usdhc1_sd[] = { + SC_P_USDHC1_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL), + SC_P_USDHC1_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_DATA6 | MUX_MODE_ALT(2) | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_DATA7 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC1_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL), +}; + +static iomux_cfg_t usdhc2_sd[] = { + SC_P_USDHC2_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL), + SC_P_USDHC2_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_WP | MUX_PAD_CTRL(ESDHC_PAD_CTRL), + SC_P_USDHC2_CD_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL), +}; + +int board_mmc_init(struct bd_info *bis) +{ + int i, ret; + struct power_domain pd; + + /* + * According to the board_mmc_init() the following map is done: + * (U-Boot device node) (Physical Port) + * mmc0 (onboard eMMC) USDHC1 + * mmc1 (external SD card) USDHC2 + * mmc2 (onboard µSD) USDHC3 + */ + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + /* onboard eMMC */ + if (!imx8_power_domain_lookup_name("conn_sdhc0", &pd)) + power_domain_on(&pd); + + imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0)); + init_clk_usdhc(0); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + break; + case 1: + /* external SD card */ + if (!imx8_power_domain_lookup_name("conn_sdhc1", &pd)) + power_domain_on(&pd); + + imx8_iomux_setup_multiple_pads(usdhc1_sd, ARRAY_SIZE(usdhc1_sd)); + init_clk_usdhc(1); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + gpio_request(USDHC1_CD_GPIO, "sd1_cd"); + gpio_direction_input(USDHC1_CD_GPIO); + break; + case 2: + /* onboard µSD */ + if (!imx8_power_domain_lookup_name("conn_sdhc2", &pd)) + power_domain_on(&pd); + + imx8_iomux_setup_multiple_pads(usdhc2_sd, ARRAY_SIZE(usdhc2_sd)); + init_clk_usdhc(2); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + gpio_request(USDHC2_CD_GPIO, "sd2_cd"); + gpio_direction_input(USDHC2_CD_GPIO); + break; + default: + printf("Warning: you configured more USDHC controllers" + "(%d) than supported by the board\n", i + 1); + return 0; + } + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (ret) { + printf("Warning: failed to initialize mmc dev %d\n", i); + return ret; + } + } + + return 0; +} + +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 USDHC1_BASE_ADDR: + ret = 1; + break; + case USDHC2_BASE_ADDR: + ret = !gpio_get_value(USDHC1_CD_GPIO); + break; + case USDHC3_BASE_ADDR: + ret = !gpio_get_value(USDHC2_CD_GPIO); + break; + } + + return ret; +} + +#endif /* CONFIG_FSL_ESDHC_IMX */ + +#if (IS_ENABLED(CONFIG_FEC_MXC)) + +#include <miiphy.h> + +static iomux_cfg_t pad_enet0[] = { + SC_P_ENET0_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), + SC_P_ENET0_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), + SC_P_ENET0_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), + SC_P_ENET0_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), + SC_P_ENET0_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), + SC_P_ENET0_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), + SC_P_ENET0_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), + SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), +}; + +static void setup_iomux_fec(void) +{ + imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0)); +} + +static void enet_device_phy_reset(void) +{ + gpio_set_value(FEC0_RESET, 0); + udelay(50); + gpio_set_value(FEC0_RESET, 1); + + /* The board has a long delay for this reset to become stable */ + mdelay(200); +} + +int board_eth_init(struct bd_info *bis) +{ + setup_iomux_fec(); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); + + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee); + 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; +} + +static int setup_fec(void) +{ + /* Reset ENET PHY */ + enet_device_phy_reset(); + + return 0; +} +#endif + +#ifdef CONFIG_MXC_GPIO + +#define LVDS_ENABLE IMX_GPIO_NR(1, 6) +#define BKL_ENABLE IMX_GPIO_NR(1, 7) + +static iomux_cfg_t board_gpios[] = { + SC_P_LVDS0_I2C0_SCL | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL), + SC_P_LVDS0_I2C0_SDA | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL), + SC_P_ESAI1_FST | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL), +}; + +static void board_gpio_init(void) +{ + imx8_iomux_setup_multiple_pads(board_gpios, ARRAY_SIZE(board_gpios)); + + /* enable LVDS */ + gpio_request(LVDS_ENABLE, "lvds_enable"); + gpio_direction_output(LVDS_ENABLE, 1); + + /* enable backlight */ + gpio_request(BKL_ENABLE, "bkl_enable"); + gpio_direction_output(BKL_ENABLE, 1); + + /* ethernet reset */ + gpio_request(FEC0_RESET, "enet0_reset"); + gpio_direction_output(FEC0_RESET, 1); +} +#endif + +int checkboard(void) +{ + puts("Board: conga-QMX8\n"); + + build_info(); + print_bootinfo(); + + return 0; +} + +int board_init(void) +{ + if (IS_ENABLED(CONFIG_XEN)) + return 0; + +#ifdef CONFIG_MXC_GPIO + board_gpio_init(); +#endif + +#if (IS_ENABLED(CONFIG_FEC_MXC)) + setup_fec(); +#endif + + return 0; +} + +void detail_board_ddr_info(void) +{ + puts("\nDDR "); +} + +/* + * Board specific reset that is system reset. + */ +void reset_cpu(ulong addr) +{ + /* TODO */ +} + +#ifdef CONFIG_OF_BOARD_SETUP +int ft_board_setup(void *blob, struct bd_info *bd) +{ + return 0; +} +#endif + +int board_mmc_get_env_dev(int devno) +{ + /* Use EMMC */ + if (IS_ENABLED(CONFIG_XEN)) + return 0; + + return devno; +} + +int mmc_map_to_kernel_blk(int dev_no) +{ + /* Use EMMC */ + if (IS_ENABLED(CONFIG_XEN)) + return 0; + + return dev_no; +} + +extern u32 _end_ofs; +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + env_set("board_name", "QMX8"); + env_set("board_rev", "iMX8QM"); +#endif + + env_set("sec_boot", "no"); +#ifdef CONFIG_AHAB_BOOT + env_set("sec_boot", "yes"); +#endif + +#ifdef CONFIG_ENV_IS_IN_MMC + board_late_mmc_env_init(); +#endif + +#ifdef IMX_LOAD_HDMI_FIMRWARE + char *end_of_uboot; + char command[256]; + + end_of_uboot = (char *)(ulong)(CONFIG_SYS_TEXT_BASE + _end_ofs + + fdt_totalsize(gd->fdt_blob)); + end_of_uboot += 9; + + /* load hdmitxfw.bin and hdmirxfw.bin*/ + memcpy(IMX_HDMI_FIRMWARE_LOAD_ADDR, end_of_uboot, + IMX_HDMITX_FIRMWARE_SIZE + IMX_HDMIRX_FIRMWARE_SIZE); + + sprintf(command, "hdp load 0x%x", IMX_HDMI_FIRMWARE_LOAD_ADDR); + run_command(command, 0); + + sprintf(command, "hdprx load 0x%x", + IMX_HDMI_FIRMWARE_LOAD_ADDR + IMX_HDMITX_FIRMWARE_SIZE); + run_command(command, 0); +#endif + + return 0; +} + +#ifdef CONFIG_FSL_FASTBOOT +#ifdef CONFIG_ANDROID_RECOVERY +int is_recovery_key_pressing(void) +{ + return 0; /*TODO*/ +} +#endif /*CONFIG_ANDROID_RECOVERY*/ +#endif /*CONFIG_FSL_FASTBOOT*/ + +/* Only Enable USB3 resources currently */ +int board_usb_init(int index, enum usb_init_type init) +{ + return 0; +} |