File:
[ELWIX - Embedded LightWeight unIX -] /
elwix /
tools /
uboot_mkimage /
include /
fdt.h
Revision
1.1.1.1 (vendor branch):
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Tue May 14 21:50:55 2013 UTC (11 years, 3 months ago) by
misho
Branches:
elwix1_9_mips,
MAIN
CVS tags:
start,
elwix2_8,
elwix2_7,
elwix2_6,
elwix2_3,
elwix2_2,
HEAD,
ELWIX2_7,
ELWIX2_6,
ELWIX2_5,
ELWIX2_2p0
uboot_mkimage needs for uboot
#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 */
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