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/env_default.h

@@ -0,0 +1,114 @@
+/*
+ * (C) Copyright 2000-2010
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Andreas Heppel <aheppel@sysgo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <env_callback.h>
+
+#ifdef DEFAULT_ENV_INSTANCE_EMBEDDED
+env_t environment __PPCENV__ = {
+	ENV_CRC,	/* CRC Sum */
+#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
+	1,		/* Flags: valid */
+#endif
+	{
+#elif defined(DEFAULT_ENV_INSTANCE_STATIC)
+static char default_environment[] = {
+#else
+const uchar default_environment[] = {
+#endif
+#ifdef	CONFIG_ENV_CALLBACK_LIST_DEFAULT
+	ENV_CALLBACK_VAR "=" CONFIG_ENV_CALLBACK_LIST_DEFAULT "\0"
+#endif
+#ifdef	CONFIG_ENV_FLAGS_LIST_DEFAULT
+	ENV_FLAGS_VAR "=" CONFIG_ENV_FLAGS_LIST_DEFAULT "\0"
+#endif
+#ifdef	CONFIG_BOOTARGS
+	"bootargs="	CONFIG_BOOTARGS			"\0"
+#endif
+#ifdef	CONFIG_BOOTCOMMAND
+	"bootcmd="	CONFIG_BOOTCOMMAND		"\0"
+#endif
+#ifdef	CONFIG_RAMBOOTCOMMAND
+	"ramboot="	CONFIG_RAMBOOTCOMMAND		"\0"
+#endif
+#ifdef	CONFIG_NFSBOOTCOMMAND
+	"nfsboot="	CONFIG_NFSBOOTCOMMAND		"\0"
+#endif
+#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
+	"bootdelay="	__stringify(CONFIG_BOOTDELAY)	"\0"
+#endif
+#if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0)
+	"baudrate="	__stringify(CONFIG_BAUDRATE)	"\0"
+#endif
+#ifdef	CONFIG_LOADS_ECHO
+	"loads_echo="	__stringify(CONFIG_LOADS_ECHO)	"\0"
+#endif
+#ifdef	CONFIG_ETHPRIME
+	"ethprime="	CONFIG_ETHPRIME			"\0"
+#endif
+#ifdef	CONFIG_IPADDR
+	"ipaddr="	__stringify(CONFIG_IPADDR)	"\0"
+#endif
+#ifdef	CONFIG_SERVERIP
+	"serverip="	__stringify(CONFIG_SERVERIP)	"\0"
+#endif
+#ifdef	CONFIG_SYS_AUTOLOAD
+	"autoload="	CONFIG_SYS_AUTOLOAD		"\0"
+#endif
+#ifdef	CONFIG_PREBOOT
+	"preboot="	CONFIG_PREBOOT			"\0"
+#endif
+#ifdef	CONFIG_ROOTPATH
+	"rootpath="	CONFIG_ROOTPATH			"\0"
+#endif
+#ifdef	CONFIG_GATEWAYIP
+	"gatewayip="	__stringify(CONFIG_GATEWAYIP)	"\0"
+#endif
+#ifdef	CONFIG_NETMASK
+	"netmask="	__stringify(CONFIG_NETMASK)	"\0"
+#endif
+#ifdef	CONFIG_HOSTNAME
+	"hostname="	__stringify(CONFIG_HOSTNAME)	"\0"
+#endif
+#ifdef	CONFIG_BOOTFILE
+	"bootfile="	CONFIG_BOOTFILE			"\0"
+#endif
+#ifdef	CONFIG_LOADADDR
+	"loadaddr="	__stringify(CONFIG_LOADADDR)	"\0"
+#endif
+#ifdef	CONFIG_CLOCKS_IN_MHZ
+	"clocks_in_mhz=1\0"
+#endif
+#if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
+	"pcidelay="	__stringify(CONFIG_PCI_BOOTDELAY)"\0"
+#endif
+#ifdef	CONFIG_ENV_VARS_UBOOT_CONFIG
+	"arch="		CONFIG_SYS_ARCH			"\0"
+#ifdef CONFIG_SYS_CPU
+	"cpu="		CONFIG_SYS_CPU			"\0"
+#endif
+#ifdef CONFIG_SYS_BOARD
+	"board="	CONFIG_SYS_BOARD		"\0"
+	"board_name="	CONFIG_SYS_BOARD		"\0"
+#endif
+#ifdef CONFIG_SYS_VENDOR
+	"vendor="	CONFIG_SYS_VENDOR		"\0"
+#endif
+#ifdef CONFIG_SYS_SOC
+	"soc="		CONFIG_SYS_SOC			"\0"
+#endif
+#endif
+#ifdef	CONFIG_EXTRA_ENV_SETTINGS
+	CONFIG_EXTRA_ENV_SETTINGS
+#endif
+	"\0"
+#ifdef DEFAULT_ENV_INSTANCE_EMBEDDED
+	}
+#endif
+};