--- u-boot-dragonboard-2015.11.21/include/configs/dragonboard.h	2015-11-21 11:42:30.000000000 +0000
+++ u-boot-dragonboard-2015.11.21-patched/include/configs/dragonboard.h	2015-12-08 11:38:48.566010802 +0000
@@ -19,6 +19,9 @@
 /* Flat Device Tree Definitions */
 #define CONFIG_OF_LIBFDT
 
+/* raw initrd support for snappy */
+#define CONFIG_SUPPORT_RAW_INITRD
+
 /* Physical Memory Map */
 #define CONFIG_NR_DRAM_BANKS		1
 #define PHYS_SDRAM_1			0x80000000
@@ -86,6 +89,9 @@
 /* Libraries  */
 #define CONFIG_MD5
 
+/* vfat support for snappy */
+#define CONFIG_SUPPORT_VFAT
+
 /* Extra Commands */
 #define CONFIG_CMD_CACHE
 #define CONFIG_CMD_DHCP
@@ -127,7 +133,7 @@
 #define CONFIG_BOOTP_BOOTFILESIZE
 
 /* Environment - Boot*/
-#define CONFIG_BOOTDELAY		-1	/* autoboot after 5 seconds */
+#define CONFIG_BOOTDELAY		3	/* autoboot after 3 seconds */
 
 #define CONFIG_SERVERIP	10.0.0.1
 #define CONFIG_IPADDR	10.0.0.2
@@ -203,10 +209,16 @@
 	"time_mmc=mmc dev 0; timer start; mmc read $loadaddr 0 5000; timer get\0"\
 	"time_sd=mmc dev 1; timer start; mmc read $loadaddr 0 5000; timer get\0"\
 
-#define CONFIG_ENV_IS_NOWHERE
-#define CONFIG_ENV_SIZE		0x1000
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE		SZ_128K
+#define CONFIG_ENV_IS_IN_FAT
+#define CONFIG_FAT_WRITE
+#define FAT_ENV_INTERFACE      "mmc"
+#define FAT_ENV_DEVICE_AND_PART        "1:8"
+#define FAT_ENV_FILE           "uboot.env"
 #define CONFIG_ENV_VARS_UBOOT_CONFIG
 #define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + SZ_8M)