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/arch/avr32/include/asm/setup.h

@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on linux/include/asm-arm/setup.h
+ *   Copyright (C) 1997-1999 Russel King
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_AVR32_SETUP_H__
+#define __ASM_AVR32_SETUP_H__
+
+#define COMMAND_LINE_SIZE 256
+
+/* Magic number indicating that a tag table is present */
+#define ATAG_MAGIC	0xa2a25441
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Generic memory range, used by several tags.
+ *
+ *   addr is always physical.
+ *   size is measured in bytes.
+ *   next is for use by the OS, e.g. for grouping regions into
+ *	  linked lists.
+ */
+struct tag_mem_range {
+	u32			addr;
+	u32			size;
+	struct tag_mem_range *	next;
+};
+
+/* The list ends with an ATAG_NONE node. */
+#define ATAG_NONE	0x00000000
+
+struct tag_header {
+	u32 size;
+	u32 tag;
+};
+
+/* The list must start with an ATAG_CORE node */
+#define ATAG_CORE	0x54410001
+
+struct tag_core {
+	u32 flags;
+	u32 pagesize;
+	u32 rootdev;
+};
+
+/* it is allowed to have multiple ATAG_MEM nodes */
+#define ATAG_MEM	0x54410002
+/* ATAG_MEM uses tag_mem_range */
+
+/* command line: \0 terminated string */
+#define ATAG_CMDLINE	0x54410003
+
+struct tag_cmdline {
+	char	cmdline[1];	/* this is the minimum size */
+};
+
+/* Ramdisk image (may be compressed) */
+#define ATAG_RDIMG	0x54410004
+/* ATAG_RDIMG uses tag_mem_range */
+
+/* Information about various clocks present in the system */
+#define ATAG_CLOCK	0x54410005
+
+struct tag_clock {
+	u32	clock_id;	/* Which clock are we talking about? */
+	u32	clock_flags;	/* Special features */
+	u64	clock_hz;	/* Clock speed in Hz */
+};
+
+/* The clock types we know about */
+#define ACLOCK_BOOTCPU	0	/* The CPU we're booting from */
+#define ACLOCK_HSB	1	/* Deprecated */
+
+/* Memory reserved for the system (e.g. the bootloader) */
+#define ATAG_RSVD_MEM	0x54410006
+/* ATAG_RSVD_MEM uses tag_mem_range */
+
+/* Ethernet information */
+
+#define ATAG_ETHERNET	0x54410007
+
+struct tag_ethernet {
+	u8	mac_index;
+	u8	mii_phy_addr;
+	u8	hw_address[6];
+};
+
+#define AETH_INVALID_PHY	0xff
+
+/* board information information */
+#define ATAG_BOARDINFO	0x54410008
+
+struct tag_boardinfo {
+	u32	board_number;
+};
+
+struct tag {
+	struct tag_header hdr;
+	union {
+		struct tag_core core;
+		struct tag_mem_range mem_range;
+		struct tag_cmdline cmdline;
+		struct tag_clock clock;
+		struct tag_ethernet ethernet;
+		struct tag_boardinfo boardinfo;
+	} u;
+};
+
+struct tagtable {
+	u32	tag;
+	int	(*parse)(struct tag *);
+};
+
+#define __tag __attribute_used__ __attribute__((__section__(".taglist")))
+#define __tagtable(tag, fn)						\
+	static struct tagtable __tagtable_##fn __tag = { tag, fn }
+
+#define tag_member_present(tag,member)					\
+	((unsigned long)(&((struct tag *)0L)->member + 1)		\
+	 <= (tag)->hdr.size * 4)
+
+#define tag_next(t)	((struct tag *)((u32 *)(t) + (t)->hdr.size))
+#define tag_size(type)	((sizeof(struct tag_header) + sizeof(struct type)) >> 2)
+
+#define for_each_tag(t,base)						\
+	for (t = base; t->hdr.size; t = tag_next(t))
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_AVR32_SETUP_H__ */