warp: Add USB Mass Storage support

With UMS support we are able to flash the eMMC from U-boot, which is very
convenient.

Add UMS support to make the eMMC flashing process easier.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>

board/warp/warp.c

@@ -21,6 +21,7 @@
 #include <watchdog.h>
 #include <fsl_esdhc.h>
 #include <mmc.h>
+#include <usb.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -82,6 +83,11 @@ int board_mmc_init(bd_t *bis)
 	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
 }
 
+int board_usb_phy_mode(int port)
+{
+	return USB_INIT_DEVICE;
+}
+
 int board_early_init_f(void)
 {
 	setup_iomux_uart();

include/configs/warp.h

@@ -120,6 +120,32 @@
 #define CONFIG_CMD_CACHE
 #endif
 
+/* USB Configs */
+#define CONFIG_CMD_USB
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX6
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS		0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT	1 /* Only OTG2 port enabled */
+#endif
+
+#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_GADGET_MASS_STORAGE
+#define CONFIG_USBDOWNLOAD_GADGET
+#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"
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"script=boot.scr\0" \
 	"image=zImage\0" \