avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/include/dwc3-omap-uboot.h

@@ -0,0 +1,32 @@
+/* include/dwc3_omap_uboot.h
+ *
+ * Copyright (c) 2015 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Designware SuperSpeed OMAP Glue uboot init
+ *
+ * SPDX-License-Identifier:     GPL-2.0
+ */
+
+#ifndef __DWC3_OMAP_UBOOT_H_
+#define __DWC3_OMAP_UBOOT_H_
+
+#include <linux/usb/dwc3-omap.h>
+
+enum omap_dwc3_vbus_id_status {
+	OMAP_DWC3_ID_FLOAT,
+	OMAP_DWC3_ID_GROUND,
+	OMAP_DWC3_VBUS_OFF,
+	OMAP_DWC3_VBUS_VALID,
+};
+
+struct dwc3_omap_device {
+	void *base;
+	int index;
+	enum dwc3_omap_utmi_mode utmi_mode;
+	enum omap_dwc3_vbus_id_status vbus_id_status;
+};
+
+int dwc3_omap_uboot_init(struct dwc3_omap_device *dev);
+void dwc3_omap_uboot_exit(int index);
+int dwc3_omap_uboot_interrupt_status(int index);
+#endif /* __DWC3_OMAP_UBOOT_H_ */