[people/ms/u-boot.git] / include / fdt.h

#ifndef _FDT_H
#define _FDT_H

#ifndef __ASSEMBLY__

struct fdt_header {
	uint32_t magic;			 /* magic word FDT_MAGIC */
	uint32_t totalsize;		 /* total size of DT block */
	uint32_t off_dt_struct;		 /* offset to structure */
	uint32_t off_dt_strings;	 /* offset to strings */
	uint32_t off_mem_rsvmap;	 /* offset to memory reserve map */
	uint32_t version;		 /* format version */
	uint32_t last_comp_version;	 /* last compatible version */

	/* version 2 fields below */
	uint32_t boot_cpuid_phys;	 /* Which physical CPU id we're
					    booting on */
	/* version 3 fields below */
	uint32_t size_dt_strings;	 /* size of the strings block */

	/* version 17 fields below */
	uint32_t size_dt_struct;	 /* size of the structure block */
};

struct fdt_reserve_entry {
	uint64_t address;
	uint64_t size;
};

struct fdt_node_header {
	uint32_t tag;
	char name[0];
};

struct fdt_property {
	uint32_t tag;
	uint32_t len;
	uint32_t nameoff;
	char data[0];
};

#endif /* !__ASSEMBLY */

#define FDT_MAGIC	0xd00dfeed	/* 4: version, 4: total size */
#define FDT_TAGSIZE	sizeof(uint32_t)

#define FDT_BEGIN_NODE	0x1		/* Start node: full name */
#define FDT_END_NODE	0x2		/* End node */
#define FDT_PROP	0x3		/* Property: name off,
					   size, content */
#define FDT_NOP		0x4		/* nop */
#define FDT_END		0x9

#define FDT_V1_SIZE	(7*sizeof(uint32_t))
#define FDT_V2_SIZE	(FDT_V1_SIZE + sizeof(uint32_t))
#define FDT_V3_SIZE	(FDT_V2_SIZE + sizeof(uint32_t))
#define FDT_V16_SIZE	FDT_V3_SIZE
#define FDT_V17_SIZE	(FDT_V16_SIZE + sizeof(uint32_t))

/* adding a ramdisk needs 0x44 bytes in version 2008.10 */
#define FDT_RAMDISK_OVERHEAD	0x80
#endif /* _FDT_H */
Commit	Line	Data
7cd5da0f GVB	1	#ifndef _FDT_H
	2	#define _FDT_H
	3
	4	#ifndef __ASSEMBLY__
	5
	6	struct fdt_header {
a5f601fd WD	7	uint32_t magic; /* magic word FDT_MAGIC */
	8	uint32_t totalsize; /* total size of DT block */
	9	uint32_t off_dt_struct; /* offset to structure */
	10	uint32_t off_dt_strings; /* offset to strings */
	11	uint32_t off_mem_rsvmap; /* offset to memory reserve map */
	12	uint32_t version; /* format version */
	13	uint32_t last_comp_version; /* last compatible version */
	14
	15	/* version 2 fields below */
	16	uint32_t boot_cpuid_phys; /* Which physical CPU id we're
7cd5da0f GVB	17	booting on */
7cd5da0f GVB	18	/* version 3 fields below */
a5f601fd	19	uint32_t size_dt_strings; /* size of the strings block */
7cd5da0f GVB	20
7cd5da0f GVB	21	/* version 17 fields below */
a5f601fd	22	uint32_t size_dt_struct; /* size of the structure block */
7cd5da0f GVB	23	};
	24
	25	struct fdt_reserve_entry {
	26	uint64_t address;
	27	uint64_t size;
	28	};
	29
	30	struct fdt_node_header {
	31	uint32_t tag;
	32	char name[0];
	33	};
	34
	35	struct fdt_property {
	36	uint32_t tag;
	37	uint32_t len;
	38	uint32_t nameoff;
	39	char data[0];
	40	};
	41
	42	#endif /* !__ASSEMBLY */
	43
a5f601fd	44	#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
7cd5da0f GVB	45	#define FDT_TAGSIZE sizeof(uint32_t)
7cd5da0f GVB	46
a5f601fd WD	47	#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
	48	#define FDT_END_NODE 0x2 /* End node */
	49	#define FDT_PROP 0x3 /* Property: name off,
7cd5da0f GVB	50	size, content */
	51	#define FDT_NOP 0x4 /* nop */
	52	#define FDT_END 0x9
	53
	54	#define FDT_V1_SIZE (7*sizeof(uint32_t))
	55	#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))
	56	#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))
	57	#define FDT_V16_SIZE FDT_V3_SIZE
	58	#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t))
	59
56844a22 HS	60	/* adding a ramdisk needs 0x44 bytes in version 2008.10 */
56844a22 HS	61	#define FDT_RAMDISK_OVERHEAD 0x80
7cd5da0f	62	#endif /* _FDT_H */