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/raidsonic/ib62x0/ib62x0.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2011-2012
+ * Gerald Kerma <dreagle@doukki.net>
+ * Luka Perkov <luka@openwrt.org>
+ * Simon Baatz <gmbnomis@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include "ib62x0.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the below configuration configures mainly initial LED status
+	 */
+	mvebu_config_gpio(IB62x0_OE_VAL_LOW,
+			  IB62x0_OE_VAL_HIGH,
+			  IB62x0_OE_LOW, IB62x0_OE_HIGH);
+
+	/* Set SATA activity LEDs to default off */
+	writel(MVSATAHC_LED_POLARITY_CTRL, MVSATAHC_LED_CONF_REG);
+	/* Multi-Purpose Pins Functionality configuration */
+	static const u32 kwmpp_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,
+		MPP8_TW_SDA,
+		MPP9_TW_SCK,
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		MPP20_SATA1_ACTn,
+		MPP21_SATA0_ACTn,
+		MPP22_GPIO,     /* Power LED red */
+		MPP24_GPIO,     /* Power off device */
+		MPP25_GPIO,     /* Power LED green */
+		MPP27_GPIO,     /* USB transfer LED */
+		MPP28_GPIO,     /* Reset button */
+		MPP29_GPIO,     /* USB Copy button */
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}