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1e57a462 1#ifndef _FDT_H\r
2#define _FDT_H\r
e7108d0e 3\r
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4/*\r
5 * libfdt - Flat Device Tree manipulation\r
6 * Copyright (C) 2006 David Gibson, IBM Corporation.\r
7 * Copyright 2012 Kim Phillips, Freescale Semiconductor.\r
8 *\r
9 * libfdt is dual licensed: you can use it either under the terms of\r
10 * the GPL, or the BSD license, at your option.\r
11 *\r
12 * a) This library is free software; you can redistribute it and/or\r
13 * modify it under the terms of the GNU General Public License as\r
14 * published by the Free Software Foundation; either version 2 of the\r
15 * License, or (at your option) any later version.\r
16 *\r
17 * This library is distributed in the hope that it will be useful,\r
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
20 * GNU General Public License for more details.\r
21 *\r
22 * You should have received a copy of the GNU General Public\r
23 * License along with this library; if not, write to the Free\r
24 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,\r
25 * MA 02110-1301 USA\r
26 *\r
27 * Alternatively,\r
28 *\r
29 * b) Redistribution and use in source and binary forms, with or\r
30 * without modification, are permitted provided that the following\r
31 * conditions are met:\r
32 *\r
33 * 1. Redistributions of source code must retain the above\r
34 * copyright notice, this list of conditions and the following\r
35 * disclaimer.\r
36 * 2. Redistributions in binary form must reproduce the above\r
37 * copyright notice, this list of conditions and the following\r
38 * disclaimer in the documentation and/or other materials\r
39 * provided with the distribution.\r
40 *\r
41 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND\r
42 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,\r
43 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
44 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r
45 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\r
46 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
48 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r
49 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
51 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR\r
52 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
53 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
54 */\r
1e57a462 55\r
56#ifndef __ASSEMBLY__\r
57\r
58struct fdt_header {\r
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59 fdt32_t magic; /* magic word FDT_MAGIC */\r
60 fdt32_t totalsize; /* total size of DT block */\r
61 fdt32_t off_dt_struct; /* offset to structure */\r
62 fdt32_t off_dt_strings; /* offset to strings */\r
63 fdt32_t off_mem_rsvmap; /* offset to memory reserve map */\r
64 fdt32_t version; /* format version */\r
65 fdt32_t last_comp_version; /* last compatible version */\r
1e57a462 66\r
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67 /* version 2 fields below */\r
68 fdt32_t boot_cpuid_phys; /* Which physical CPU id we're\r
69 booting on */\r
70 /* version 3 fields below */\r
71 fdt32_t size_dt_strings; /* size of the strings block */\r
1e57a462 72\r
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73 /* version 17 fields below */\r
74 fdt32_t size_dt_struct; /* size of the structure block */\r
1e57a462 75};\r
76\r
77struct fdt_reserve_entry {\r
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78 fdt64_t address;\r
79 fdt64_t size;\r
1e57a462 80};\r
81\r
82struct fdt_node_header {\r
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83 fdt32_t tag;\r
84 char name[0];\r
1e57a462 85};\r
86\r
87struct fdt_property {\r
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88 fdt32_t tag;\r
89 fdt32_t len;\r
90 fdt32_t nameoff;\r
91 char data[0];\r
1e57a462 92};\r
93\r
94#endif /* !__ASSEMBLY */\r
95\r
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96#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */\r
97#define FDT_TAGSIZE sizeof(fdt32_t)\r
1e57a462 98\r
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99#define FDT_BEGIN_NODE 0x1 /* Start node: full name */\r
100#define FDT_END_NODE 0x2 /* End node */\r
101#define FDT_PROP 0x3 /* Property: name off,\r
102 size, content */\r
103#define FDT_NOP 0x4 /* nop */\r
104#define FDT_END 0x9\r
1e57a462 105\r
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106#define FDT_V1_SIZE (7*sizeof(fdt32_t))\r
107#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))\r
108#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))\r
109#define FDT_V16_SIZE FDT_V3_SIZE\r
110#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))\r
1e57a462 111\r
112#endif /* _FDT_H */\r