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-socfpga/board.c

@@ -0,0 +1,64 @@
+/*
+ * Altera SoCFPGA common board code
+ *
+ * Copyright (C) 2015 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/arch/reset_manager.h>
+#include <asm/io.h>
+
+#include <usb.h>
+#include <usb/dwc2_udc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void s_init(void) {}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+	/* Address of boot parameters for ATAG (if ATAG is used) */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	return 0;
+}
+
+#ifdef CONFIG_USB_GADGET
+struct dwc2_plat_otg_data socfpga_otg_data = {
+	.usb_gusbcfg	= 0x1417,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	int node[2], count;
+	fdt_addr_t addr;
+
+	count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc",
+					   COMPAT_ALTERA_SOCFPGA_DWC2USB,
+					   node, 2);
+	if (count <= 0)	/* No controller found. */
+		return 0;
+
+	addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg");
+	if (addr == FDT_ADDR_T_NONE) {
+		printf("UDC Controller has no 'reg' property!\n");
+		return -EINVAL;
+	}
+
+	/* Patch the address from OF into the controller pdata. */
+	socfpga_otg_data.regs_otg = addr;
+
+	return dwc2_udc_probe(&socfpga_otg_data);
+}
+
+int g_dnl_board_usb_cable_connected(void)
+{
+	return 1;
+}
+#endif