"initrd_high=0xffffffff\0" \
        "bootcmd_mfg=run mfgtool_args;bootz ${loadaddr} ${initrd_addr} ${fdt_addr};\0" \
 
+#define CONFIG_DFU_ENV_SETTINGS \
+       "dfu_alt_info=image raw 0 0x800000;"\
+               "u-boot raw 0 0x4000;"\
+               "bootimg part 0 1;"\
+               "rootfs part 0 2\0" \
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
        CONFIG_MFG_ENV_SETTINGS \
+       CONFIG_DFU_ENV_SETTINGS \
        "script=boot.scr\0" \
        "image=zImage\0" \
        "console=ttymxc0\0" \
 
 #define CONFIG_IMX_THERMAL
 
+#define CONFIG_CI_UDC
+#define CONFIG_USBD_HS
+#define CONFIG_USB_GADGET_DUALSPEED
+
+#define CONFIG_USB_GADGET
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_FUNCTION_MASS_STORAGE
+#define CONFIG_USB_GADGET_DOWNLOAD
+#define CONFIG_USB_GADGET_VBUS_DRAW    2
+
+#define CONFIG_G_DNL_VENDOR_NUM                0x0525
+#define CONFIG_G_DNL_PRODUCT_NUM       0xa4a5
+#define CONFIG_G_DNL_MANUFACTURER      "FSL"
+
+/* USB Device Firmware Update support */
+#define CONFIG_CMD_DFU
+#define CONFIG_USB_FUNCTION_DFU
+#define CONFIG_DFU_MMC
+#define CONFIG_DFU_RAM
+
 #endif /* __CONFIG_H */