diff options
Diffstat (limited to 'board/kontron/sl-mx8mm/sl-mx8mm.c')
| -rw-r--r-- | board/kontron/sl-mx8mm/sl-mx8mm.c | 102 |
1 files changed, 98 insertions, 4 deletions
diff --git a/board/kontron/sl-mx8mm/sl-mx8mm.c b/board/kontron/sl-mx8mm/sl-mx8mm.c index 2e387038395..df92765cb2d 100644 --- a/board/kontron/sl-mx8mm/sl-mx8mm.c +++ b/board/kontron/sl-mx8mm/sl-mx8mm.c @@ -8,12 +8,14 @@ #include <asm/global_data.h> #include <asm/io.h> #include <asm/mach-imx/boot_mode.h> +#include <dm/uclass.h> #include <efi.h> #include <efi_loader.h> #include <env_internal.h> #include <fdt_support.h> #include <linux/errno.h> #include <linux/kernel.h> +#include <mmc.h> #include <net.h> DECLARE_GLOBAL_DATA_PTR; @@ -108,25 +110,68 @@ int fdt_set_usb_eth_addr(void *blob) int ft_board_setup(void *blob, struct bd_info *bd) { - int ret = fdt_set_usb_eth_addr(blob); + enum env_location env_loc; + enum boot_device boot_dev; + char env_str_sd[] = "sd-card"; + char env_str_nor[] = "spi-nor"; + char env_str_emmc[] = "emmc"; + char *env_config_str; + int ret; + + ret = fdt_set_usb_eth_addr(blob); + if (ret) + return ret; + ret = fdt_fixup_memory(blob, PHYS_SDRAM, gd->ram_size); if (ret) return ret; - return fdt_fixup_memory(blob, PHYS_SDRAM, gd->ram_size); + env_loc = env_get_location(0, 0); + if (env_loc == ENVL_MMC) { + boot_dev = get_boot_device(); + if (boot_dev == SD2_BOOT) + env_config_str = env_str_sd; + else if (boot_dev == MMC1_BOOT) + env_config_str = env_str_emmc; + else + return 0; + } else if (env_loc == ENVL_SPI_FLASH) { + env_config_str = env_str_nor; + } else { + return 0; + } + + /* + * Export a string to the devicetree that tells userspace tools like + * libubootenv where the environment is currently coming from. + */ + return fdt_find_and_setprop(blob, "/chosen", "u-boot,env-config", + env_config_str, strlen(env_config_str) + 1, 1); } int board_late_init(void) { + struct udevice *dev; + int ret; + if (!fdt_node_check_compatible(gd->fdt_blob, 0, "kontron,imx8mm-n802x-som") || !fdt_node_check_compatible(gd->fdt_blob, 0, "kontron,imx8mm-osm-s")) { env_set("som_type", "osm-s"); env_set("touch_rst_gpio", "111"); + + ret = uclass_get_device_by_name(UCLASS_MISC, "usb-hub@2c", &dev); + if (ret) + printf("Error bringing up USB hub (%d)\n", ret); } else { env_set("som_type", "sl"); env_set("touch_rst_gpio", "87"); } + if (is_usb_boot()) { + env_set("bootcmd", "fastboot 0"); + env_set("bootdelay", "0"); + } + return 0; } @@ -137,18 +182,25 @@ enum env_location env_get_location(enum env_operation op, int prio) if (prio) return ENVL_UNKNOWN; + if (CONFIG_IS_ENABLED(ENV_IS_NOWHERE) && is_usb_boot()) + return ENVL_NOWHERE; + /* * Make sure that the environment is loaded from * the MMC if we are running from SD card or eMMC. */ if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC) && - (boot_dev == SD1_BOOT || boot_dev == SD2_BOOT)) + (boot_dev == SD1_BOOT || boot_dev == SD2_BOOT || + boot_dev == MMC1_BOOT || boot_dev == MMC2_BOOT)) return ENVL_MMC; if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH)) return ENVL_SPI_FLASH; - return ENVL_NOWHERE; + if (CONFIG_IS_ENABLED(ENV_IS_NOWHERE)) + return ENVL_NOWHERE; + + return ENVL_UNKNOWN; } #if defined(CONFIG_ENV_IS_IN_MMC) @@ -156,4 +208,46 @@ int board_mmc_get_env_dev(int devno) { return devno; } + +uint mmc_get_env_part(struct mmc *mmc) +{ + if (IS_SD(mmc)) + return EMMC_HWPART_DEFAULT; + + switch (EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config)) { + case EMMC_BOOT_PART_BOOT1: + return EMMC_HWPART_BOOT1; + case EMMC_BOOT_PART_BOOT2: + return EMMC_HWPART_BOOT2; + default: + return EMMC_HWPART_DEFAULT; + } +} + +int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr) +{ + /* use normal offset for SD card */ + if (IS_SD(mmc)) { + *env_addr = CONFIG_ENV_OFFSET; + if (copy) + *env_addr = CONFIG_ENV_OFFSET_REDUND; + + return 0; + } + + switch (EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config)) { + case EMMC_BOOT_PART_BOOT1: + case EMMC_BOOT_PART_BOOT2: + *env_addr = mmc->capacity - CONFIG_ENV_SIZE - CONFIG_ENV_SIZE; + if (copy) + *env_addr = mmc->capacity - CONFIG_ENV_SIZE; + break; + default: + *env_addr = CONFIG_ENV_OFFSET; + if (copy) + *env_addr = CONFIG_ENV_OFFSET_REDUND; + } + + return 0; +} #endif |