This patch will save U-Boot environment as a file: uboot.env, in FAT partition
instead of in raw sector of MMC card.
This make us easier to manage the environment file.
Signed-off-by: Josh Wu <josh...@atmel.com>
Acked-by: Bo Shen <voice.s...@atmel.com>
---
Changes in v3:
- move CONFIG_FAT_WRITE macro to share with USB and MMC
Changes in v2: None
include/configs/sama5d3xek.h | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/include/configs/sama5d3xek.h b/include/configs/sama5d3xek.h
index f2849d7..cccc1ed 100644
--- a/include/configs/sama5d3xek.h
+++ b/include/configs/sama5d3xek.h
@@ -191,6 +191,7 @@
#if defined(CONFIG_CMD_USB) || defined(CONFIG_CMD_MMC)
#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
#endif
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
@@ -215,13 +216,14 @@
"bootm 0x22000000 - 0x21000000"
#elif CONFIG_SYS_USE_MMC
/* bootstrap + u-boot + env in sd card */
-#define CONFIG_ENV_IS_IN_MMC
-#define CONFIG_ENV_OFFSET 0x2000
-#define CONFIG_ENV_SIZE 0x1000
+#define CONFIG_ENV_IS_IN_FAT
+#define FAT_ENV_INTERFACE "mmc"
+#define FAT_ENV_FILE "uboot.env"
+#define FAT_ENV_DEVICE_AND_PART "0"
+#define CONFIG_ENV_SIZE 0x4000
#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 dtb; " \
"fatload mmc 0:1 0x22000000 uImage; " \
"bootm 0x22000000 - 0x21000000"
-#define CONFIG_SYS_MMC_ENV_DEV 0
#else
#define CONFIG_ENV_IS_NOWHERE
#endif
--
1.9.1
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