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/arch/arm/mach-uniphier/early-pinctrl/early-pinctrl-ld20.c

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include "../init.h"
+#include "../sg-regs.h"
+
+int uniphier_ld20_early_pin_init(const struct uniphier_board_data *bd)
+{
+	/* Comment format:    PAD Name -> Function Name */
+	sg_set_pinsel(0, 0, 8, 4);	/* XECS1  -> XECS1 */
+	sg_set_pinsel(1, 0, 8, 4);	/* ERXW   -> ERXW  */
+	sg_set_pinsel(2, 0, 8, 4);	/* XERWE1 -> XERWE1 */
+	sg_set_pinsel(6, 2, 8, 4);	/* XNFRE  -> XERWE0 */
+	sg_set_pinsel(7, 2, 8, 4);	/* XNFWE  -> ES0 */
+	sg_set_pinsel(8, 2, 8, 4);	/* NFALE  -> ES1 */
+	sg_set_pinsel(9, 2, 8, 4);	/* NFCLE  -> ES2 */
+	sg_set_pinsel(10, 2, 8, 4);	/* NFD0   -> ED0 */
+	sg_set_pinsel(11, 2, 8, 4);	/* NFD1   -> ED1 */
+	sg_set_pinsel(12, 2, 8, 4);	/* NFD2   -> ED2 */
+	sg_set_pinsel(13, 2, 8, 4);	/* NFD3   -> ED3 */
+	sg_set_pinsel(14, 2, 8, 4);	/* NFD4   -> ED4 */
+	sg_set_pinsel(15, 2, 8, 4);	/* NFD5   -> ED5 */
+	sg_set_pinsel(16, 2, 8, 4);	/* NFD6   -> ED6 */
+	sg_set_pinsel(17, 2, 8, 4);	/* NFD7   -> ED7 */
+	sg_set_iectrl_range(0, 2);
+	sg_set_iectrl_range(6, 17);
+
+	return 0;
+}