1 /* SPDX-License-Identifier: (GPL-2.0-or-later !! 1 #ifndef _FDT_H
2 #ifndef FDT_H !! 2 #define _FDT_H
3 #define FDT_H <<
4 /* <<
5 * libfdt - Flat Device Tree manipulation <<
6 * Copyright (C) 2006 David Gibson, IBM Corpor <<
7 * Copyright 2012 Kim Phillips, Freescale Semi <<
8 */ <<
9 3
10 #ifndef __ASSEMBLY__ 4 #ifndef __ASSEMBLY__
11 5
12 struct fdt_header { 6 struct fdt_header {
13 fdt32_t magic; /* ma !! 7 uint32_t magic; /* magic word FDT_MAGIC */
14 fdt32_t totalsize; /* to !! 8 uint32_t totalsize; /* total size of DT block */
15 fdt32_t off_dt_struct; /* of !! 9 uint32_t off_dt_struct; /* offset to structure */
16 fdt32_t off_dt_strings; /* of !! 10 uint32_t off_dt_strings; /* offset to strings */
17 fdt32_t off_mem_rsvmap; /* of !! 11 uint32_t off_mem_rsvmap; /* offset to memory reserve map */
18 fdt32_t version; /* fo !! 12 uint32_t version; /* format version */
19 fdt32_t last_comp_version; /* la !! 13 uint32_t last_comp_version; /* last compatible version */
20 14
21 /* version 2 fields below */ 15 /* version 2 fields below */
22 fdt32_t boot_cpuid_phys; /* Wh !! 16 uint32_t boot_cpuid_phys; /* Which physical CPU id we're
23 bo 17 booting on */
24 /* version 3 fields below */ 18 /* version 3 fields below */
25 fdt32_t size_dt_strings; /* si !! 19 uint32_t size_dt_strings; /* size of the strings block */
26 20
27 /* version 17 fields below */ 21 /* version 17 fields below */
28 fdt32_t size_dt_struct; /* si !! 22 uint32_t size_dt_struct; /* size of the structure block */
29 }; 23 };
30 24
31 struct fdt_reserve_entry { 25 struct fdt_reserve_entry {
32 fdt64_t address; !! 26 uint64_t address;
33 fdt64_t size; !! 27 uint64_t size;
34 }; 28 };
35 29
36 struct fdt_node_header { 30 struct fdt_node_header {
37 fdt32_t tag; !! 31 uint32_t tag;
38 char name[]; !! 32 char name[0];
39 }; 33 };
40 34
41 struct fdt_property { 35 struct fdt_property {
42 fdt32_t tag; !! 36 uint32_t tag;
43 fdt32_t len; !! 37 uint32_t len;
44 fdt32_t nameoff; !! 38 uint32_t nameoff;
45 char data[]; !! 39 char data[0];
46 }; 40 };
47 41
48 #endif /* !__ASSEMBLY */ 42 #endif /* !__ASSEMBLY */
49 43
50 #define FDT_MAGIC 0xd00dfeed /* 4: 44 #define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
51 #define FDT_TAGSIZE sizeof(fdt32_t) !! 45 #define FDT_TAGSIZE sizeof(uint32_t)
52 46
53 #define FDT_BEGIN_NODE 0x1 /* Sta 47 #define FDT_BEGIN_NODE 0x1 /* Start node: full name */
54 #define FDT_END_NODE 0x2 /* End 48 #define FDT_END_NODE 0x2 /* End node */
55 #define FDT_PROP 0x3 /* Pro 49 #define FDT_PROP 0x3 /* Property: name off,
56 siz 50 size, content */
57 #define FDT_NOP 0x4 /* nop 51 #define FDT_NOP 0x4 /* nop */
58 #define FDT_END 0x9 52 #define FDT_END 0x9
59 53
60 #define FDT_V1_SIZE (7*sizeof(fdt32_t)) !! 54 #define FDT_V1_SIZE (7*sizeof(uint32_t))
61 #define FDT_V2_SIZE (FDT_V1_SIZE + sizeof( !! 55 #define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))
62 #define FDT_V3_SIZE (FDT_V2_SIZE + sizeof( !! 56 #define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))
63 #define FDT_V16_SIZE FDT_V3_SIZE 57 #define FDT_V16_SIZE FDT_V3_SIZE
64 #define FDT_V17_SIZE (FDT_V16_SIZE + sizeof !! 58 #define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t))
65 59
66 #endif /* FDT_H */ !! 60 #endif /* _FDT_H */
67 61
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