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authorSoeren Moch <smoch@web.de>2016-02-04 14:41:16 +0100
committerStefano Babic <sbabic@denx.de>2016-02-21 11:31:58 +0100
commita668436051e497da18ab79ad26649e26d8a08433 (patch)
treef5fee5557360724ecfe0485dc450348daf9dda70
parent1a43dc11a33de29712e5c5a0877d21bd6f6550c1 (diff)
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board: tbs2910: Autoselect environment device when booting from SD
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>
-rw-r--r--board/tbs/tbs2910/tbs2910.c11
-rw-r--r--include/configs/tbs2910.h4
2 files changed, 13 insertions, 2 deletions
diff --git a/board/tbs/tbs2910/tbs2910.c b/board/tbs/tbs2910/tbs2910.c
index 0b509b6..d302fc2 100644
--- a/board/tbs/tbs2910/tbs2910.c
+++ b/board/tbs/tbs2910/tbs2910.c
@@ -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
diff --git a/include/configs/tbs2910.h b/include/configs/tbs2910.h
index 17b0213..0f23034 100644
--- a/include/configs/tbs2910.h
+++ b/include/configs/tbs2910.h
@@ -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