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board: tbs2910: Autoselect environment device when booting from SD

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Implement board specific functions to select the environment device and
partition when booting from SD/MMC.

SD2:  mmc 0 0
SD3:  mmc 1 0
eMMC: mmc 2 1

Signed-off-by: Soeren Moch <smoch@web.de>
This commit is contained in:
Soeren Moch 2016-02-04 14:41:16 +01:00 committed by Stefano Babic
parent 1a43dc11a3
commit a668436051
2 changed files with 13 additions and 2 deletions
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11
board/tbs/tbs2910/tbs2910.c
View File

@ -257,6 +257,17 @@ int board_mmc_init(bd_t *bis)
}
return 0;
}
/* set environment device to boot device when booting from SD */
int board_mmc_get_env_dev(int devno)
{
return devno - 1;
}
int board_mmc_get_env_part(int devno)
{
return (devno == 3) ? 1 : 0; /* part 0 for SD2 / SD3, part 1 for eMMC */
}
#endif /* CONFIG_FSL_ESDHC */
#ifdef CONFIG_VIDEO_IPUV3

4
include/configs/tbs2910.h
View File

@ -176,8 +176,8 @@
/* Environment organization */
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_SYS_MMC_ENV_DEV 2
#define CONFIG_SYS_MMC_ENV_PART 1
#define CONFIG_SYS_MMC_ENV_DEV 2 /* overwritten on SD boot */
#define CONFIG_SYS_MMC_ENV_PART 1 /* overwritten on SD boot */
#define CONFIG_ENV_SIZE (8 * 1024)
#define CONFIG_ENV_OFFSET (384 * 1024)
#define CONFIG_ENV_OVERWRITE