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