Blame view

kernel/linux-imx6_3.14.28/scripts/dtc/libfdt/fdt.h 1.52 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
  #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 */