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/dts/exynos4412.dtsi

@@ -0,0 +1,38 @@
+/*
+ * Samsung's Exynos4412 SoC device tree source
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Samsung's Exynos4412 SoC device nodes are listed in this file. Exynos4412
+ * based board files can include this file and provide values for board specfic
+ * bindings.
+ *
+ * Note: This file does not include device nodes for all the controllers in
+ * Exynos4412 SoC. As device tree coverage for Exynos4412 increases, additional
+ * nodes can be added to this file.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include "exynos4x12.dtsi"
+
+/ {
+	compatible = "samsung,exynos4412";
+
+	gic: interrupt-controller@10490000 {
+		cpu-offset = <0x4000>;
+	};
+
+	interrupt-controller@10440000 {
+		samsung,combiner-nr = <20>;
+		interrupts = <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>,
+			     <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>,
+			     <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>,
+			     <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>,
+			     <0 107 0>, <0 108 0>, <0 48 0>, <0 42 0>;
+	};
+
+};