forked from Minki/linux
1cade99497
This incorporates a copy of dtc libfdt into the kernel source, in arch/powerpc/boot/libfdt. This only imports the upstream sources verbatim, later patches are needed to actually link it into the kernel Makefiles. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#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))
|
|
|
|
#endif /* _FDT_H */
|