diff --git a/include/configs/exynos-common.h b/include/configs/exynos-common.h
index 1f3ee55..4fcb04e 100644
--- a/include/configs/exynos-common.h
+++ b/include/configs/exynos-common.h
@@ -66,6 +66,7 @@
 #include <config_cmd_default.h>
 
 #define CONFIG_CMD_MMC
+#define CONFIG_CMD_USB
 #define CONFIG_CMD_EXT4_WRITE
 #define CONFIG_FAT_WRITE
 #define CONFIG_CMD_FS_GENERIC
diff --git a/include/configs/exynos5-common.h b/include/configs/exynos5-common.h
index 8f9b780..cbba7b2 100644
--- a/include/configs/exynos5-common.h
+++ b/include/configs/exynos5-common.h
@@ -188,6 +188,7 @@
 #define BOOT_TARGET_DEVICES(func) \
 	func(MMC, mmc, 1) \
 	func(MMC, mmc, 0) \
+	func(USB, usb, 0) \
 	func(PXE, pxe, na) \
 	func(DHCP, dhcp, na)