diff --git a/include/configs/colibri_t30.h b/include/configs/colibri_t30.h
index 5aecf14..4e5e89b 100644
--- a/include/configs/colibri_t30.h
+++ b/include/configs/colibri_t30.h
@@ -39,6 +39,17 @@
 #undef CONFIG_SYS_MAXARGS
 #define CONFIG_SYS_MAXARGS		32
 
+#define UBOOT_UPDATE \
+	"uboot_hwpart=1\0" \
+	"uboot_blk=0\0" \
+	"set_blkcnt=setexpr blkcnt ${filesize} + 0x1ff && " \
+		"setexpr blkcnt ${blkcnt} / 0x200\0" \
+	"update_uboot=run set_blkcnt && mmc dev 0 ${uboot_hwpart} && " \
+		"mmc write ${loadaddr} ${uboot_blk} ${blkcnt}\0" \
+
+#define BOARD_EXTRA_ENV_SETTINGS \
+	UBOOT_UPDATE
+
 #include "tegra-common-usb-gadget.h"
 #include "tegra-common-post.h"