Annotation of elwix/tools/uboot_mkimage/include/fdt.h, revision 1.1.1.1
1.1 misho 1: #ifndef _FDT_H
2: #define _FDT_H
3:
4: #ifndef __ASSEMBLY__
5:
6: struct fdt_header {
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
17: booting on */
18: /* version 3 fields below */
19: uint32_t size_dt_strings; /* size of the strings block */
20:
21: /* version 17 fields below */
22: uint32_t size_dt_struct; /* size of the structure block */
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:
44: #define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
45: #define FDT_TAGSIZE sizeof(uint32_t)
46:
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,
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:
60: /* adding a ramdisk needs 0x44 bytes in version 2008.10 */
61: #define FDT_RAMDISK_OVERHEAD 0x80
62: #endif /* _FDT_H */
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