-#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