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/bf526-ezbrd/Kconfig

@@ -0,0 +1,9 @@
+if TARGET_BF526_EZBRD
+
+config SYS_BOARD
+	default "bf526-ezbrd"
+
+config SYS_CONFIG_NAME
+	default "bf526-ezbrd"
+
+endif

u-boot/board/bf526-ezbrd/MAINTAINERS

@@ -0,0 +1,6 @@
+BF526-EZBRD BOARD
+M:	Sonic Zhang <sonic.adi@gmail.com>
+S:	Maintained
+F:	board/bf526-ezbrd/
+F:	include/configs/bf526-ezbrd.h
+F:	configs/bf526-ezbrd_defconfig

u-boot/board/bf526-ezbrd/Makefile

@@ -0,0 +1,12 @@
+#
+# 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	:= bf526-ezbrd.o

u-boot/board/bf526-ezbrd/bf526-ezbrd.c

@@ -0,0 +1,60 @@
+/*
+ * U-Boot - main board file
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/blackfin.h>
+#include <asm/mach-common/bits/otp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	printf("Board: ADI BF526 EZ-Board board\n");
+	printf("       Support: http://blackfin.uclinux.org/\n");
+	return 0;
+}
+
+#ifdef CONFIG_BFIN_MAC
+static void board_init_enetaddr(uchar *mac_addr)
+{
+#ifndef CONFIG_SYS_NO_FLASH
+	/* we cram the MAC in the last flash sector */
+	uchar *board_mac_addr = (uchar *)0x203F0096;
+	if (is_valid_ethaddr(board_mac_addr)) {
+		memcpy(mac_addr, board_mac_addr, 6);
+		eth_setenv_enetaddr("ethaddr", mac_addr);
+	}
+#endif
+}
+
+int board_eth_init(bd_t *bis)
+{
+	return bfin_EMAC_initialize(bis);
+}
+#endif
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+	uchar enetaddr[6];
+	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+		board_init_enetaddr(enetaddr);
+#endif
+
+#ifndef CONFIG_SYS_NO_FLASH
+	/* we use the last sector for the MAC address / POST LDR */
+	extern flash_info_t flash_info[];
+	flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
+#endif
+
+	return 0;
+}