ARM: at91: sama5d3_xplained: save environment in a FAT file in MMC card

This patch will save U-Boot environment as a file: uboot.env, in FAT partition
instead of saving it in raw sector of MMC card.

This make us easier to manage the environment file.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Bo Shen <voice.shen@atmel.com>

diff --git a/include/configs/sama5d3_xplained.h b/include/configs/sama5d3_xplained.h
index 9458047..5a0ab28 100644 (file)
--- a/include/configs/sama5d3_xplained.h
+++ b/include/configs/sama5d3_xplained.h
@@ -169,13 +169,14 @@
                                "bootz 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 at91-sama5d3_xplained.dtb; " \
                                "fatload mmc 0:1 0x22000000 zImage; " \
                                "bootz 0x22000000 - 0x21000000"
-#define CONFIG_SYS_MMC_ENV_DEV 0
 #else
 #define CONFIG_ENV_IS_NOWHERE
 #endif