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/configs/exynos4-common.h

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2014 Samsung Electronics
+ *
+ * Configuration settings for the SAMSUNG EXYNOS5 board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_EXYNOS4_COMMON_H
+#define __CONFIG_EXYNOS4_COMMON_H
+
+#define CONFIG_EXYNOS4			/* Exynos4 Family */
+
+#include "exynos-common.h"
+
+#define CONFIG_BOARD_COMMON
+
+#define CONFIG_SYS_CACHELINE_SIZE	32
+#define CONFIG_REVISION_TAG
+
+/* SD/MMC configuration */
+#define CONFIG_MMC_SDMA
+#define CONFIG_MMC_DEFAULT_DEV	0
+
+#undef CONFIG_CMD_ONENAND
+#undef CONFIG_CMD_MTDPARTS
+#define CONFIG_CMD_GPT
+
+/* TIZEN THOR downloader support */
+#define CONFIG_CMD_THOR_DOWNLOAD
+#define CONFIG_USB_FUNCTION_THOR
+
+#define CONFIG_USB_FUNCTION_DFU
+#define CONFIG_DFU_MMC
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_32M
+#define DFU_DEFAULT_POLL_TIMEOUT 300
+
+/* USB Samsung's IDs */
+#define CONFIG_G_DNL_THOR_VENDOR_NUM 0x04E8
+#define CONFIG_G_DNL_THOR_PRODUCT_NUM 0x685D
+#define CONFIG_G_DNL_UMS_VENDOR_NUM 0x0525
+#define CONFIG_G_DNL_UMS_PRODUCT_NUM 0xA4A5
+
+#define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
+
+#define CONFIG_USB_GADGET_DWC2_OTG_PHY
+
+#define CONFIG_USB_FUNCTION_MASS_STORAGE
+
+/* Common environment variables */
+#define CONFIG_EXTRA_ENV_ITB \
+	"loadkernel=load mmc ${mmcbootdev}:${mmcbootpart} ${kerneladdr} " \
+		"${kernelname}\0" \
+	"loadinitrd=load mmc ${mmcbootdev}:${mmcbootpart} ${initrdaddr} " \
+		"${initrdname}\0" \
+	"loaddtb=load mmc ${mmcbootdev}:${mmcbootpart} ${fdtaddr} " \
+		"${fdtfile}\0" \
+	"check_ramdisk=" \
+		"if run loadinitrd; then " \
+			"setenv initrd_addr ${initrdaddr};" \
+		"else " \
+			"setenv initrd_addr -;" \
+		"fi;\0" \
+	"check_dtb=" \
+		"if run loaddtb; then " \
+			"setenv fdt_addr ${fdtaddr};" \
+		"else " \
+			"setenv fdt_addr;" \
+		"fi;\0" \
+	"kernel_args=" \
+		"setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart}" \
+		" ${lpj} rootwait ${console} ${meminfo} ${opts} ${lcdinfo};\0" \
+	"boot_fit=" \
+		"setenv kerneladdr 0x42000000;" \
+		"setenv kernelname Image.itb;" \
+		"run loadkernel;" \
+		"run kernel_args;" \
+		"bootm ${kerneladdr}#${board_name}\0" \
+	"boot_uimg=" \
+		"setenv kerneladdr 0x40007FC0;" \
+		"setenv kernelname uImage;" \
+		"run check_dtb;" \
+		"run check_ramdisk;" \
+		"run loadkernel;" \
+		"run kernel_args;" \
+		"bootm ${kerneladdr} ${initrd_addr} ${fdt_addr};\0" \
+	"boot_zimg=" \
+		"setenv kerneladdr 0x40007FC0;" \
+		"setenv kernelname zImage;" \
+		"run check_dtb;" \
+		"run check_ramdisk;" \
+		"run loadkernel;" \
+		"run kernel_args;" \
+		"bootz ${kerneladdr} ${initrd_addr} ${fdt_addr};\0" \
+	"autoboot=" \
+		"if test -e mmc ${mmcdev}:${mmcbootpart} Image.itb; then; " \
+			"run boot_fit;" \
+		"elif test -e mmc ${mmcdev}:${mmcbootpart} zImage; then; " \
+			"run boot_zimg;" \
+		"elif test -e mmc ${mmcdev}:${mmcbootpart} uImage; then; " \
+			"run boot_uimg;" \
+		"fi;\0"
+
+#endif	/* __CONFIG_EXYNOS4_COMMON_H */