ARM: atmel: add RNDIS gadget support

Add RNDIS gadget support to test atmel usba udc driver

Signed-off-by: Bo Shen <voice.shen@atmel.com>
diff --git a/board/atmel/sama5d3xek/sama5d3xek.c b/board/atmel/sama5d3xek/sama5d3xek.c
index 97caf64..b0965ef 100644
--- a/board/atmel/sama5d3xek/sama5d3xek.c
+++ b/board/atmel/sama5d3xek/sama5d3xek.c
@@ -21,6 +21,10 @@
 #include <net.h>
 #include <netdev.h>
 
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+#include <asm/arch/atmel_usba_udc.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 /* ------------------------------------------------------------------------- */
@@ -170,6 +174,9 @@
 #ifdef CONFIG_CMD_USB
 	sama5d3xek_usb_hw_init();
 #endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+	at91_udp_hw_init();
+#endif
 #ifdef CONFIG_GENERIC_ATMEL_MCI
 	sama5d3xek_mci_hw_init();
 #endif
@@ -221,6 +228,12 @@
 	if (has_gmac())
 		rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
 #endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+	usba_udc_probe(&pdata);
+#ifdef CONFIG_USB_ETH_RNDIS
+	usb_eth_initialize(bis);
+#endif
+#endif
 
 	return rc;
 }