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/blackstamp/Kconfig

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+if TARGET_BLACKSTAMP
+
+config SYS_BOARD
+	default "blackstamp"
+
+config SYS_CONFIG_NAME
+	default "blackstamp"
+
+endif

u-boot/board/blackstamp/MAINTAINERS

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+BLACKSTAMP BOARD
+M:	Wojtek Skulski <skulski@pas.rochester.edu>
+M:	Wojtek Skulski <info@skutek.com>
+M:	Benjamin Matthews <mben12@gmail.com>
+S:	Maintained
+F:	board/blackstamp/
+F:	include/configs/blackstamp.h
+F:	configs/blackstamp_defconfig

u-boot/board/blackstamp/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	:= blackstamp.o

u-boot/board/blackstamp/blackstamp.c

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+/*
+ * U-Boot - blackstamp.c BlackStamp board specific routines
+ * Most code stolen from boards/bf533-stamp/bf533-stamp.c
+ * Edited to the BlackStamp by Ben Matthews for UR LLE
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	printf("Board: BlackStamp\n");
+	printf("Support: http://blackfin.uclinux.org/gf/project/blackstamp/\n");
+	return 0;
+}
+
+#ifdef SHARED_RESOURCES
+void swap_to(int device_id)
+{
+	gpio_request(GPIO_PF0, "eth_flash_swap");
+	gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
+	SSYNC();
+}
+#endif
+
+#ifdef CONFIG_SMC91111
+int board_eth_init(bd_t *bis)
+{
+	return smc91111_initialize(0, CONFIG_SMC91111_BASE);
+}
+#endif