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/spear6xx_evb.h

@@ -0,0 +1,46 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, STMicroelectronics, <vipin.kumar@st.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_SPEAR600
+
+#if defined(CONFIG_usbtty)
+#define CONFIG_SPEAR_USBTTY
+#endif
+
+#if defined(CONFIG_nand)
+#define CONFIG_ENV_IS_IN_NAND
+#else
+#define CONFIG_ENV_IS_IN_FLASH
+#endif
+
+#include <configs/spear-common.h>
+
+/* Serial Configuration (PL011) */
+#define CONFIG_SYS_SERIAL0			0xD0000000
+#define CONFIG_SYS_SERIAL1			0xD0080000
+#define CONFIG_PL01x_PORTS			{ (void *)CONFIG_SYS_SERIAL0, \
+						(void *)CONFIG_SYS_SERIAL1 }
+
+/* NAND flash configuration */
+#define CONFIG_SYS_FSMC_NAND_SP
+#define CONFIG_SYS_FSMC_NAND_8BIT
+#define CONFIG_SYS_NAND_BASE			0xD2000000
+
+/* Ethernet PHY configuration */
+#define CONFIG_PHY_NATSEMI
+
+/* Environment Settings */
+#define CONFIG_EXTRA_ENV_SETTINGS              CONFIG_EXTRA_ENV_USBTTY
+
+#endif  /* __CONFIG_H */