diff options
Diffstat (limited to 'arch/arm/mach-uniphier/mmc-first-dev.c')
| -rw-r--r-- | arch/arm/mach-uniphier/mmc-first-dev.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/arch/arm/mach-uniphier/mmc-first-dev.c b/arch/arm/mach-uniphier/mmc-first-dev.c index 149e662070..e2f4f4eb5c 100644 --- a/arch/arm/mach-uniphier/mmc-first-dev.c +++ b/arch/arm/mach-uniphier/mmc-first-dev.c @@ -9,13 +9,14 @@ #include <mmc.h> #include <linux/errno.h> -static int find_first_mmc_device(void) +static int find_first_mmc_device(bool is_sd) { struct mmc *mmc; int i; for (i = 0; (mmc = find_mmc_device(i)); i++) { - if (!mmc_init(mmc) && IS_MMC(mmc)) + if (!mmc_init(mmc) && + ((is_sd && IS_SD(mmc)) || (!is_sd && IS_MMC(mmc)))) return i; } @@ -24,14 +25,14 @@ static int find_first_mmc_device(void) int mmc_get_env_dev(void) { - return find_first_mmc_device(); + return find_first_mmc_device(false); } static int do_mmcsetn(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int dev; - dev = find_first_mmc_device(); + dev = find_first_mmc_device(false); if (dev < 0) return CMD_RET_FAILURE; @@ -44,3 +45,21 @@ U_BOOT_CMD( "Set the first MMC (not SD) dev number to \"mmc_first_dev\" environment", "" ); + +static int do_sdsetn(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int dev; + + dev = find_first_mmc_device(true); + if (dev < 0) + return CMD_RET_FAILURE; + + env_set_ulong("sd_first_dev", dev); + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + sdsetn, 1, 1, do_sdsetn, + "Set the first SD dev number to \"sd_first_dev\" environment", + "" +); |