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/bf527-sdp/Kconfig

@@ -0,0 +1,9 @@
+if TARGET_BF527_SDP
+
+config SYS_BOARD
+	default "bf527-sdp"
+
+config SYS_CONFIG_NAME
+	default "bf527-sdp"
+
+endif

u-boot/board/bf527-sdp/MAINTAINERS

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+BF527-SDP BOARD
+M:	Sonic Zhang <sonic.adi@gmail.com>
+S:	Maintained
+F:	board/bf527-sdp/
+F:	include/configs/bf527-sdp.h
+F:	configs/bf527-sdp_defconfig

u-boot/board/bf527-sdp/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	:= bf527-sdp.o

u-boot/board/bf527-sdp/bf527-sdp.c

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+/*
+ * U-Boot - main board file
+ *
+ * Copyright (c) 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <asm/blackfin.h>
+#include <asm/gpio.h>
+#include <asm/mach-common/bits/pll.h>
+
+int checkboard(void)
+{
+	printf("Board: ADI BF527 SDP board\n");
+	printf("       Support: http://blackfin.uclinux.org/\n");
+
+	/* Enable access to parallel flash */
+	gpio_request(GPIO_PG0, "parallel-flash");
+	gpio_direction_output(GPIO_PG0, 0);
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	/* CLKIN Buffer Output Enable */
+	bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE);
+
+	return 0;
+}

u-boot/board/bf527-sdp/config.mk

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+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+# Set some default LDR flags based on boot mode.
+LDR_FLAGS-BFIN_BOOT_PARA := --bits 16 --dma 6