From c3814406b064f1910461bddd14bc09701353ceed Mon Sep 17 00:00:00 2001
From: "Wu, Josh" <Josh.wu@atmel.com>
Date: Tue, 20 Jan 2015 10:33:31 +0800
Subject: 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
--- 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
-- 
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