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/x86/dts/cougarcanyon2.dts

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+/include/ "serial.dtsi"
+/include/ "keyboard.dtsi"
+/include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
+
+/ {
+	model = "Intel Cougar Canyon 2";
+	compatible = "intel,cougarcanyon2", "intel,chiefriver";
+
+	aliases {
+		spi0 = &spi0;
+	};
+
+	config {
+		silent_console = <0>;
+	};
+
+	chosen {
+		stdout-path = "/serial";
+	};
+
+	microcode {
+		update@0 {
+#include "microcode/m12306a2_00000008.dtsi"
+		};
+		update@1 {
+#include "microcode/m12306a4_00000007.dtsi"
+		};
+		update@2 {
+#include "microcode/m12306a5_00000007.dtsi"
+		};
+		update@3 {
+#include "microcode/m12306a8_00000010.dtsi"
+		};
+		update@4 {
+#include "microcode/m12306a9_0000001b.dtsi"
+		};
+	};
+
+	fsp {
+		compatible = "intel,ivybridge-fsp";
+		fsp,enable-ht;
+	};
+
+	pci {
+		#address-cells = <3>;
+		#size-cells = <2>;
+		compatible = "pci-x86";
+		u-boot,dm-pre-reloc;
+		ranges = <0x02000000 0x0 0xc0000000 0xc0000000 0 0x10000000
+			  0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
+			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;
+
+		pch@1f,0 {
+			reg = <0x0000f800 0 0 0 0>;
+			compatible = "intel,bd82x6x";
+			u-boot,dm-pre-reloc;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			spi0: spi {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "intel,ich9-spi";
+				spi-flash@0 {
+					reg = <0>;
+					compatible = "winbond,w25q64bv", "spi-flash";
+					memory-map = <0xff800000 0x00800000>;
+				};
+			};
+
+			gpioa {
+				compatible = "intel,ich6-gpio";
+				u-boot,dm-pre-reloc;
+				reg = <0 0x10>;
+				bank-name = "A";
+			};
+
+			gpiob {
+				compatible = "intel,ich6-gpio";
+				u-boot,dm-pre-reloc;
+				reg = <0x30 0x10>;
+				bank-name = "B";
+			};
+
+			gpioc {
+				compatible = "intel,ich6-gpio";
+				u-boot,dm-pre-reloc;
+				reg = <0x40 0x10>;
+				bank-name = "C";
+			};
+		};
+	};
+
+};