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/board/mpl/common/common_util.h

@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2001
+ * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef _COMMON_UTIL_H_
+#define _COMMON_UTIL_H_
+
+typedef struct {
+	char signature[4];
+	char serial_name[17];	/* "MIP405_1000xxxxx" */
+	char eth_addr[21];	/* "00:60:C2:0a:00:00" */
+} backup_t;
+
+extern flash_info_t flash_info[];	/* info for FLASH chips */
+
+void get_backup_values(backup_t *buf);
+
+#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405)
+#define BOOT_MPS	0x01
+#define BOOT_PCI	0x02
+int get_boot_mode(void);
+void setup_cs_reloc(void);
+#endif
+
+void check_env(void);
+#if defined(CONFIG_CMD_DOC)
+void doc_init (void);
+#endif
+
+#endif /* _COMMON_UTIL_H_ */