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/arch/arm/include/asm/davinci_rtc.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Based on:
+ *
+ * -------------------------------------------------------------------------
+ *
+ *  linux/include/asm-arm/arch-davinci/hardware.h
+ *
+ *  Copyright (C) 2006 Texas Instruments.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+#ifndef __ASM_DAVINCI_RTC_H
+#define __ASM_DAVINCI_RTC_H
+
+struct davinci_rtc {
+	unsigned int	second;
+	unsigned int	minutes;
+	unsigned int	hours;
+	unsigned int	day;
+	unsigned int	month; /* 0x10 */
+	unsigned int	year;
+	unsigned int	dotw;
+	unsigned int	resv1;
+	unsigned int	alarmsecond; /* 0x20 */
+	unsigned int	alarmminute;
+	unsigned int	alarmhour;
+	unsigned int	alarmday;
+	unsigned int	alarmmonth; /* 0x30 */
+	unsigned int	alarmyear;
+	unsigned int	resv2[2];
+	unsigned int	ctrl; /* 0x40 */
+	unsigned int	status;
+	unsigned int	irq;
+	unsigned int	complsb;
+	unsigned int	compmsb; /* 0x50 */
+	unsigned int	osc;
+	unsigned int	resv3[2];
+	unsigned int	scratch0; /* 0x60 */
+	unsigned int	scratch1;
+	unsigned int	scratch2;
+	unsigned int	kick0r;
+	unsigned int	kick1r; /* 0x70 */
+};
+
+#define RTC_STATE_BUSY	0x01
+#define RTC_STATE_RUN	0x02
+
+#define RTC_KICK0R_WE	0x83e70b13
+#define RTC_KICK1R_WE	0x95a4f1e0
+#endif