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/sbc/sbc-admulti.c

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/io.h>
+
+#include "../init.h"
+#include "../sg-regs.h"
+#include "sbc-regs.h"
+
+#define SBCTRL0_ADMULTIPLX_PERI_VALUE	0x33120000
+#define SBCTRL1_ADMULTIPLX_PERI_VALUE	0x03005500
+#define SBCTRL2_ADMULTIPLX_PERI_VALUE	0x14000020
+
+#define SBCTRL0_ADMULTIPLX_MEM_VALUE	0x33120000
+#define SBCTRL1_ADMULTIPLX_MEM_VALUE	0x03005500
+#define SBCTRL2_ADMULTIPLX_MEM_VALUE	0x14000010
+
+int uniphier_sbc_init_admulti(const struct uniphier_board_data *bd)
+{
+	/*
+	 * Only CS1 is connected to support card.
+	 * BKSZ[1:0] should be set to "01".
+	 */
+	writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
+	writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
+	writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
+
+	if (boot_is_swapped()) {
+		/*
+		 * Boot Swap On: boot from external NOR/SRAM
+		 * 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
+		 *
+		 * 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
+		 * 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
+		 */
+		writel(0x0000bc01, SBBASE0);
+	} else {
+		/*
+		 * Boot Swap Off: boot from mask ROM
+		 * 0x40000000-0x41ffffff: mask ROM
+		 * 0x42000000-0x43efffff: memory bank (31MB)
+		 * 0x43f00000-0x43ffffff: peripherals (1MB)
+		 */
+		writel(0x0000be01, SBBASE0); /* dummy */
+		writel(0x0200be01, SBBASE1);
+	}
+
+	return 0;
+}