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/drivers/rtc/mvrtc.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2011
+ * Jason Cooper <u-boot@lakedaemon.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Date & Time support for Marvell Integrated RTC
+ */
+
+#ifndef _MVRTC_H_
+#define _MVRTC_H_
+
+#include <asm/arch/soc.h>
+#include <linux/compiler.h>
+
+/* RTC registers */
+struct mvrtc_registers {
+	u32 time;
+	u32 date;
+};
+
+/* time register */
+#define MVRTC_SEC_SFT		0
+#define MVRTC_SEC_MSK		0x7f
+#define MVRTC_MIN_SFT		8
+#define MVRTC_MIN_MSK		0x7f
+#define MVRTC_HOUR_SFT		16
+#define MVRTC_HOUR_MSK		0x3f
+#define MVRTC_DAY_SFT		24
+#define MVRTC_DAY_MSK		0x7
+
+/*
+ * Hour format bit
+ *   1 = 12 hour clock
+ *   0 = 24 hour clock
+ */
+#define MVRTC_HRFMT_MSK		0x00400000
+
+/* date register */
+#define MVRTC_DATE_SFT		0
+#define MVRTC_DATE_MSK		0x3f
+#define MVRTC_MON_SFT		8
+#define MVRTC_MON_MSK		0x1f
+#define MVRTC_YEAR_SFT		16
+#define MVRTC_YEAR_MSK		0xff
+
+#endif