diff options
Diffstat (limited to 'board/freescale/mx6sabresd/mx6sabresd.c')
-rw-r--r-- | board/freescale/mx6sabresd/mx6sabresd.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index bdb6b13..0b283a8 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -292,6 +292,23 @@ struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC4_BASE_ADDR}, }; +int mmc_get_env_devno(void) +{ + u32 soc_sbmr = readl(SRC_BASE_ADDR + 0x4); + u32 dev_no; + + /* BOOT_CFG2[3] and BOOT_CFG2[4] */ + dev_no = (soc_sbmr & 0x00001800) >> 11; + + /* need ubstract 1 to map to the mmc device id + * see the comments in board_mmc_init function + */ + + dev_no--; + + return dev_no; +} + #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) @@ -358,6 +375,17 @@ int board_mmc_init(bd_t *bis) return status; } + +void board_late_mmc_env_init(void) +{ + char cmd[32]; + u32 dev_no = mmc_get_env_devno(); + + setenv_ulong("mmcdev", dev_no); + + sprintf(cmd, "mmc dev %d", dev_no); + run_command(cmd, 0); +} #endif int mx6_rgmii_rework(struct phy_device *phydev) @@ -641,6 +669,10 @@ int board_late_init(void) add_board_boot_modes(board_boot_modes); #endif +#ifdef CONFIG_ENV_IS_IN_MMC + board_late_mmc_env_init(); +#endif + return 0; } |