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/board/bf506f-ezkit/Kconfig

@@ -0,0 +1,9 @@
+if TARGET_BF506F_EZKIT
+
+config SYS_BOARD
+	default "bf506f-ezkit"
+
+config SYS_CONFIG_NAME
+	default "bf506f-ezkit"
+
+endif

u-boot/board/bf506f-ezkit/MAINTAINERS

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+BF506F-EZKIT BOARD
+M:	Sonic Zhang <sonic.adi@gmail.com>
+S:	Maintained
+F:	board/bf506f-ezkit/
+F:	include/configs/bf506f-ezkit.h
+F:	configs/bf506f-ezkit_defconfig

u-boot/board/bf506f-ezkit/Makefile

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+#
+# U-Boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= bf506f-ezkit.o

u-boot/board/bf506f-ezkit/bf506f-ezkit.c

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+/*
+ * U-Boot - main board file
+ *
+ * Copyright (c) 2008-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <asm/blackfin.h>
+
+int checkboard(void)
+{
+	printf("Board: ADI BF506F EZ-Kit board\n");
+	printf("       Support: http://blackfin.uclinux.org/\n");
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	bfin_write_EBIU_MODE(1);
+	SSYNC();
+	bfin_write_FLASH_CONTROL_CLEAR(1);
+	udelay(1);
+	bfin_write_FLASH_CONTROL_SET(1);
+	return 0;
+}