TBS2910 u-boot changes

TBS2910.h

diff --git a/include/configs/tbs2910.h b/include/configs/tbs2910.h
index c097b98..c3694a3 100644
--- a/include/configs/tbs2910.h
+++ b/include/configs/tbs2910.h
@@ -62,6 +62,7 @@
 
 #define CONFIG_SYS_TEXT_BASE		0x80000000
 #define CONFIG_SYS_BOOTMAPSZ		0x6C000000
+#define CONFIG_SYS_BOOTM_LEN		(16 << 20)
 #define CONFIG_SYS_LOAD_ADDR		0x10800000
 
 /* Serial console */
@@ -82,6 +83,7 @@
 #define CONFIG_CMD_SETEXPR
 #define CONFIG_CMD_MEMTEST
 #define CONFIG_CMD_TIME
+#define CONFIG_DEFAULT_FDT_FILE	"imx6q-tbs2910.dtb"
 
 /* Filesystems / image support */
 #define CONFIG_CMD_EXT4
@@ -222,14 +224,35 @@
 	"bootcmd_mmc=run bootargs_mmc; mmc dev 2; " \
 			"mmc read 0x10800000 0x800 0x4000; bootm\0" \
 	"bootcmd_up1=load mmc 1 0x10800000 uImage\0" \
-	"bootcmd_up2=load mmc 1 0x10d00000 uramdisk.img; " \
-			"run bootargs_upd; " \
-			"bootm 0x10800000 0x10d00000\0" \
+	"bootcmd_up2=load mmc 1 0x11800000 uramdisk.img;\0 " \
+	"bootcmd_now=run bootargs_upd; " \
+			"bootm 0x10800000 - 0x11800000\0" \
+	"boot1=tftpboot 0x11800000 imx6q-tbs2910.dtb\0" \
+	"boot2=tftpboot 0x10800000 uImage\0" \
 	"console=ttymxc0\0" \
 	"fan=gpio set 92\0" \
 	"stdin=serial,usbkbd\0" \
 	"stdout=serial,vga\0" \
-	"stderr=serial,vga\0"
+	"stderr=serial,vga\0" \
+	"mmc_uboot_part=1\0" \
+	"mmc_uboot_dev=2\0" \
+	"update_uboot_filename=u-boot.imx\0" \
+	"serverip=192.168.1.247\0" \
+	"ipaddr=192.168.1.137\0" \
+	"get_cmd=tftp\0" \
+	"loadaddr=0x10800000\0" \
+	"update_uboot=" \
+		"if ${get_cmd} ${update_uboot_filename}; then " \
+			"if mmc dev ${mmc_uboot_dev} ${mmc_uboot_part}; then " \
+				"setexpr fw_sz ${filesize} / 0x200; " \
+				"setexpr fw_sz ${fw_sz} + 1; " \
+				"mmc erase 0x0 0x2000; " \
+				"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
+			"fi; " \
+		"fi\0"
 
 #define CONFIG_BOOTCOMMAND \
 	"mmc rescan; " \