diff options
Diffstat (limited to 'board/freescale/mx6qarm2/mx6qarm2.c')
| -rw-r--r-- | board/freescale/mx6qarm2/mx6qarm2.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c index 7603abe..7e0c35e 100644 --- a/board/freescale/mx6qarm2/mx6qarm2.c +++ b/board/freescale/mx6qarm2/mx6qarm2.c @@ -104,6 +104,23 @@ struct fsl_esdhc_cfg usdhc_cfg[2] = { {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 -= 2; + + return dev_no; +} + int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; @@ -148,6 +165,18 @@ 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 #define MII_MMD_ACCESS_CTRL_REG 0xd @@ -222,6 +251,15 @@ int board_init(void) return 0; } +int board_late_init(void) +{ +#ifdef CONFIG_ENV_IS_IN_MMC + board_late_mmc_env_init(); +#endif + + return 0; +} + int checkboard(void) { puts("Board: MX6Q-Armadillo2\n"); |