rockchip: add fastboot support for rk3036 board

Enable fastboot feature on rk3036, please refer to doc/README.rockchip
for more detailed usage.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/rk3036_common.h b/include/configs/rk3036_common.h
index ffcaa6f..21d4683 100644
--- a/include/configs/rk3036_common.h
+++ b/include/configs/rk3036_common.h
@@ -6,7 +6,7 @@
 #ifndef __CONFIG_RK3036_COMMON_H
 #define __CONFIG_RK3036_COMMON_H
 
-#define CONFIG_SYS_CACHELINE_SIZE	32
+#define CONFIG_SYS_CACHELINE_SIZE	64
 
 #include <asm/arch/hardware.h>
 
@@ -60,6 +60,25 @@
 #define CONFIG_SF_DEFAULT_SPEED 20000000
 
 #ifndef CONFIG_SPL_BUILD
+/* usb otg */
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_DWC2_OTG
+#define CONFIG_USB_GADGET_VBUS_DRAW	0
+
+/* fastboot  */
+#define CONFIG_CMD_FASTBOOT
+#define CONFIG_USB_FUNCTION_FASTBOOT
+#define CONFIG_FASTBOOT_FLASH
+#define CONFIG_FASTBOOT_FLASH_MMC_DEV	0
+#define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_LOAD_ADDR
+#define CONFIG_FASTBOOT_BUF_SIZE	0x08000000
+
+#define CONFIG_USB_GADGET_DOWNLOAD
+#define CONFIG_G_DNL_MANUFACTURER	"Rockchip"
+#define CONFIG_G_DNL_VENDOR_NUM		0x2207
+#define CONFIG_G_DNL_PRODUCT_NUM	0x310a
+
 #include <config_distro_defaults.h>
 
 #define ENV_MEM_LAYOUT_SETTINGS \