diff options
| -rw-r--r-- | arch/arm/mach-uniphier/boot-mode/boot-mode.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode.c b/arch/arm/mach-uniphier/boot-mode/boot-mode.c index 2f2e45d2c16..05477620a3d 100644 --- a/arch/arm/mach-uniphier/boot-mode/boot-mode.c +++ b/arch/arm/mach-uniphier/boot-mode/boot-mode.c @@ -7,6 +7,7 @@ #include <common.h> #include <mmc.h> #include <spl.h> +#include <linux/err.h> #include "../sbc/sbc-regs.h" #include "../soc-info.h" @@ -77,3 +78,36 @@ u32 spl_boot_mode(void) return MMCSD_MODE_EMMCBOOT; } + +#if defined(CONFIG_DM_MMC) && !defined(CONFIG_SPL_BUILD) +static int find_first_mmc_device(void) +{ + struct mmc *mmc; + int i; + + for (i = 0; (mmc = find_mmc_device(i)); i++) { + if (!mmc_init(mmc) && IS_MMC(mmc)) + return i; + } + + return -ENODEV; +} + +static int do_mmcsetn(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int dev; + + dev = find_first_mmc_device(); + if (dev < 0) + return CMD_RET_FAILURE; + + setenv_ulong("mmc_first_dev", dev); + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + mmcsetn, 1, 1, do_mmcsetn, + "Set the first MMC (not SD) dev number to \"mmc_first_dev\" enviroment", + "" +); +#endif |