diff options
Diffstat (limited to 'scripts/dtc/libfdt/fdt.h')
-rw-r--r-- | scripts/dtc/libfdt/fdt.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/scripts/dtc/libfdt/fdt.h b/scripts/dtc/libfdt/fdt.h new file mode 100644 index 000000000000..48ccfd910000 --- /dev/null +++ b/scripts/dtc/libfdt/fdt.h | |||
@@ -0,0 +1,60 @@ | |||
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 | #endif /* _FDT_H */ | ||