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/include/configs/p2571.h

@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2013-2015
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _P2571_H
+#define _P2571_H
+
+#include <linux/sizes.h>
+
+#include "tegra210-common.h"
+
+/* High-level configuration options */
+#define CONFIG_TEGRA_BOARD_STRING	"NVIDIA P2571"
+
+/* Board-specific serial config */
+#define CONFIG_SERIAL_MULTI
+#define CONFIG_TEGRA_ENABLE_UARTA
+
+/* I2C */
+#define CONFIG_SYS_I2C_TEGRA
+
+/* SD/MMC */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_TEGRA_MMC
+
+/* Environment in eMMC, at the end of 2nd "boot sector" */
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART		2
+#define CONFIG_ENV_OFFSET		(-CONFIG_ENV_SIZE)
+
+/* SPI */
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED		24000000
+#define CONFIG_SPI_FLASH_SIZE		(4 << 20)
+
+/* USB2.0 Host support */
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_TEGRA
+#define CONFIG_USB_STORAGE
+
+/* USB networking support */
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+
+/* General networking support */
+
+#include "tegra-common-usb-gadget.h"
+#include "tegra-common-post.h"
+
+#endif /* _P2571_H */