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/draco.h

@@ -0,0 +1,106 @@
+/*
+ * (C) Copyright 2013 Siemens Schweiz AG
+ * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ * U-Boot file:/include/configs/am335x_evm.h
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_DRACO_H
+#define __CONFIG_DRACO_H
+
+#define CONFIG_SIEMENS_DRACO
+#define MACH_TYPE_DRACO			4314
+#define CONFIG_SIEMENS_MACH_TYPE	MACH_TYPE_DRACO
+
+#include "siemens-am33x-common.h"
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_SYS_MPUCLK	300
+#define DDR_PLL_FREQ	303
+#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
+
+#define BOARD_DFU_BUTTON_GPIO	27	/* Use as default */
+#define GPIO_LAN9303_NRST	88	/* GPIO2_24 = gpio88 */
+
+#define CONFIG_ENV_SETTINGS_BUTTONS_AND_LEDS \
+	"button_dfu0=27\0" \
+	"led0=103,1,0\0" \
+	"led1=64,0,1\0"
+
+#undef CONFIG_DOS_PARTITION
+
+#define CONFIG_BOARD_LATE_INIT
+
+ /* Physical Memory Map */
+#define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
+
+/* I2C Configuration */
+#define CONFIG_SYS_I2C_SPEED		100000
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR              0x50
+#define EEPROM_ADDR_DDR3 0x90
+#define EEPROM_ADDR_CHIP 0x120
+
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x300
+
+#undef CONFIG_SPL_NET_SUPPORT
+#undef CONFIG_SPL_NET_VCI_STRING
+#undef CONFIG_SPL_ETH_SUPPORT
+
+#undef CONFIG_MII
+#undef CONFIG_PHY_GIGE
+#define CONFIG_PHY_SMSC
+
+#define CONFIG_FACTORYSET
+
+/* Watchdog */
+#define CONFIG_OMAP_WATCHDOG
+
+/* Define own nand partitions */
+#define CONFIG_ENV_OFFSET_REDUND    0x2E0000
+#define CONFIG_ENV_SIZE_REDUND      0x2000
+#define CONFIG_ENV_RANGE        (4 * CONFIG_SYS_ENV_SECT_SIZE)
+
+#define MTDPARTS_DEFAULT	MTDPARTS_DEFAULT_V2
+
+#ifndef CONFIG_SPL_BUILD
+
+/* Default env settings */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"hostname=draco\0" \
+	"ubi_off=2048\0"\
+	"nand_img_size=0x400000\0" \
+	"optargs=\0" \
+	"preboot=draco_led 0\0" \
+	CONFIG_ENV_SETTINGS_BUTTONS_AND_LEDS \
+	CONFIG_ENV_SETTINGS_V2 \
+	CONFIG_ENV_SETTINGS_NAND_V2
+
+#ifndef CONFIG_RESTORE_FLASH
+/* set to negative value for no autoboot */
+
+#define CONFIG_BOOTCOMMAND \
+"if dfubutton; then " \
+	"run dfu_start; " \
+	"reset; " \
+"fi;" \
+"run nand_boot;" \
+"run nand_boot_backup;" \
+"reset;"
+
+#else
+
+#define CONFIG_BOOTCOMMAND			\
+	"setenv autoload no; "			\
+	"dhcp; "				\
+	"if tftp 80000000 debrick.scr; then "	\
+		"source 80000000; "		\
+	"fi"
+#endif
+#endif	/* CONFIG_SPL_BUILD */
+#endif	/* ! __CONFIG_DRACO_H */