libpayload: Add dwc2 usb driver

BUG=chrome-os-partner:29778
TEST=emerge-veyron libpayload

Change-Id: I33f312a939e600b8f4e50a092bb61c5d6bc6d741
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 39ffe53336a2a3b2baa067cdd3dccca5ae93f68e
Original-Change-Id: Idad1ad165fd44df635a0cb13bfec6fada1378bc8
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/211053
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9453
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/payloads/libpayload/drivers/usb/dwc2.h b/payloads/libpayload/drivers/usb/dwc2.h
new file mode 100644
index 0000000..e9ca39d
--- /dev/null
+++ b/payloads/libpayload/drivers/usb/dwc2.h
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Rockchip Electronics
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __DWC2_HCD_H__
+#define __DWC2_HCD_H__
+#include <usb/usb.h>
+
+hci_t *dwc2_init(void *bar);
+void dwc2_rh_init (usbdev_t *dev);
+
+#endif