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/tools/aisimage.h

@@ -0,0 +1,81 @@
+/*
+ * (C) Copyright 2011
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _AISIMAGE_H_
+#define _AISIMAGE_H_
+
+/* all values are for little endian systems */
+#define AIS_MAGIC_WORD	0x41504954
+#define AIS_FCN_MAX	8
+
+enum {
+	AIS_CMD_LOAD	= 0x58535901,
+	AIS_CMD_VALCRC	= 0x58535902,
+	AIS_CMD_ENCRC	= 0x58535903,
+	AIS_CMD_DISCRC	= 0x58535904,
+	AIS_CMD_JMP	= 0x58535905,
+	AIS_CMD_JMPCLOSE = 0x58535906,
+	AIS_CMD_BOOTTBL	= 0x58535907,
+	AIS_CMD_FILL	= 0x5853590A,
+	AIS_CMD_FNLOAD	= 0x5853590D,
+	AIS_CMD_SEQREAD	= 0x58535963,
+};
+
+struct ais_cmd_load {
+	uint32_t cmd;
+	uint32_t addr;
+	uint32_t size;
+	uint32_t data[1];
+};
+
+struct ais_cmd_func {
+	uint32_t cmd;
+	uint32_t func_args;
+	uint32_t parms[AIS_FCN_MAX];
+};
+
+struct ais_cmd_jmpclose {
+	uint32_t cmd;
+	uint32_t addr;
+};
+
+#define CMD_DATA_STR	"DATA"
+
+enum ais_file_cmd {
+	CMD_INVALID,
+	CMD_FILL,
+	CMD_CRCON,
+	CMD_CRCOFF,
+	CMD_CRCCHECK,
+	CMD_JMPCLOSE,
+	CMD_JMP,
+	CMD_SEQREAD,
+	CMD_DATA,
+	CMD_PLL0,
+	CMD_PLL1,
+	CMD_CLK,
+	CMD_DDR2,
+	CMD_EMIFA,
+	CMD_EMIFA_ASYNC,
+	CMD_PLL,
+	CMD_PSC,
+	CMD_PINMUX,
+	CMD_BOOTTABLE
+};
+
+enum aisimage_fld_types {
+	CFG_INVALID = -1,
+	CFG_COMMAND,
+	CFG_VALUE,
+};
+
+struct ais_header {
+	uint32_t magic;
+	char data[1];
+};
+
+#endif /* _AISIMAGE_H_ */