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/o2d.h

@@ -0,0 +1,74 @@
+/*
+ * (C) Copyright 2012
+ * DENX Software Engineering, Anatolij Gustschin <agust@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Valid values for CONFIG_SYS_TEXT_BASE are:
+ * 0xFC000000   boot low boot high (standard configuration)
+ * 0x00100000   boot from RAM (for testing only)
+ */
+#ifndef CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_TEXT_BASE	0xfc000000	/* Standard: boot low */
+#endif
+
+/* Board specific flash config */
+#define CONFIG_SYS_FLASH_BASE		0xfc000000
+#define CONFIG_SYS_FLASH_SIZE		0x04000000      /* maximum 64MB */
+/* max number of sectors on one chip */
+#define CONFIG_SYS_MAX_FLASH_SECT	512
+
+/*
+ * Include common defines for all ifm boards
+ */
+#include "o2dnt-common.h"
+
+/*
+ * GPIO configuration:
+ * CS1 SDRAM activate + no CAN + no PCI
+ */
+#define CONFIG_SYS_GPS_PORT_CONFIG	0x8000A004
+
+/* Other board specific configs */
+#define CONFIG_SYS_BOOTCS_CFG		0x00057d01
+#define CONFIG_SYS_RESET_ADDRESS	0xfc000000
+
+#define CONFIG_SYS_MEMTEST_START	0x00100000      /* memtest works on */
+#define CONFIG_SYS_MEMTEST_END		0x07f00000	/* 1 - 127 MB in DRAM */
+
+#define CONFIG_BOARD_NAME		"o2d"
+#define CONFIG_BOARD_BOOTCMD		"run dhcp_boot"
+#define CONFIG_BOARD_MEM_LIMIT		__stringify(126)
+#define BOARD_POST_CRC32_END		__stringify(0x01000000)
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	CONFIG_IFM_DEFAULT_ENV_SETTINGS					\
+	CONFIG_IFM_DEFAULT_ENV_OLD					\
+	CONFIG_IFM_DEFAULT_ENV_NEW					\
+	"linbot=fc060000\0"						\
+	"lintop=fc15ffff\0"						\
+	"rambot=fc160000\0"						\
+	"ramtop=fc55ffff\0"						\
+	"jffbot=fc560000\0"						\
+	"jfftop=fcffffff\0"						\
+	"ubobot=" __stringify(CONFIG_SYS_FLASH_BASE) "\0"		\
+	"ubotop=fc03ffff\0"						\
+	"kernel_addr=0xfc060000\0"					\
+	"ramdisk_addr=0xfc160000\0"					\
+	"progCram=tftp ${fileaddr} ${cramfsname};"			\
+		"erase ${rambot} ${ramtop};"				\
+		"cp.b ${fileaddr} ${rambot} ${filesize}\0"		\
+	"flash_for_configs=22396\0"					\
+	"flash_mtd=run mtd_args addip addmem;"				\
+		"bootm ${kernel_addr}\0"				\
+	"mtd_args=setenv bootargs root=/dev/mtdblock3 "			\
+		"rw rootfstype=cramfs\0"				\
+	"master=mw f0000b00 0x8005A006;mw f0000b0c ${IOpin};"		\
+		"mw f0000b04 ${IOpin};mw f0000b10 0x20\0"		\
+	"dhcp_boot=run dhcpcmd;run flash_mtd\0"				\
+	"hostname=IFM_SENSOR\0"						\
+	"netretry=once\0"						\
+	"autoload=no\0"							\
+	"sensorType=O2D222AG\0"