ArmPkg: only attempt buildin MmCommunicationDxe for AArch64
[mirror_edk2.git] / EmbeddedPkg / Include / fdt.h
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1e57a462 1#ifndef _FDT_H\r
2#define _FDT_H\r
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3/*\r
4 * libfdt - Flat Device Tree manipulation\r
5 * Copyright (C) 2006 David Gibson, IBM Corporation.\r
6 * Copyright 2012 Kim Phillips, Freescale Semiconductor.\r
7 *\r
8 * libfdt is dual licensed: you can use it either under the terms of\r
9 * the GPL, or the BSD license, at your option.\r
10 *\r
11 * a) This library is free software; you can redistribute it and/or\r
12 * modify it under the terms of the GNU General Public License as\r
13 * published by the Free Software Foundation; either version 2 of the\r
14 * License, or (at your option) any later version.\r
15 *\r
16 * This library is distributed in the hope that it will be useful,\r
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
19 * GNU General Public License for more details.\r
20 *\r
21 * You should have received a copy of the GNU General Public\r
22 * License along with this library; if not, write to the Free\r
23 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,\r
24 * MA 02110-1301 USA\r
25 *\r
26 * Alternatively,\r
27 *\r
28 * b) Redistribution and use in source and binary forms, with or\r
29 * without modification, are permitted provided that the following\r
30 * conditions are met:\r
31 *\r
32 * 1. Redistributions of source code must retain the above\r
33 * copyright notice, this list of conditions and the following\r
34 * disclaimer.\r
35 * 2. Redistributions in binary form must reproduce the above\r
36 * copyright notice, this list of conditions and the following\r
37 * disclaimer in the documentation and/or other materials\r
38 * provided with the distribution.\r
39 *\r
40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND\r
41 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,\r
42 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
43 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r
44 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\r
45 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r
48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
50 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR\r
51 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
52 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
53 */\r
1e57a462 54\r
55#ifndef __ASSEMBLY__\r
56\r
57struct fdt_header {\r
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58 fdt32_t magic; /* magic word FDT_MAGIC */\r
59 fdt32_t totalsize; /* total size of DT block */\r
60 fdt32_t off_dt_struct; /* offset to structure */\r
61 fdt32_t off_dt_strings; /* offset to strings */\r
62 fdt32_t off_mem_rsvmap; /* offset to memory reserve map */\r
63 fdt32_t version; /* format version */\r
64 fdt32_t last_comp_version; /* last compatible version */\r
1e57a462 65\r
66 /* version 2 fields below */\r
3e8576dd 67 fdt32_t boot_cpuid_phys; /* Which physical CPU id we're\r
1e57a462 68 booting on */\r
69 /* version 3 fields below */\r
3e8576dd 70 fdt32_t size_dt_strings; /* size of the strings block */\r
1e57a462 71\r
72 /* version 17 fields below */\r
3e8576dd 73 fdt32_t size_dt_struct; /* size of the structure block */\r
1e57a462 74};\r
75\r
76struct fdt_reserve_entry {\r
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77 fdt64_t address;\r
78 fdt64_t size;\r
1e57a462 79};\r
80\r
81struct fdt_node_header {\r
3e8576dd 82 fdt32_t tag;\r
1e57a462 83 char name[0];\r
84};\r
85\r
86struct fdt_property {\r
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87 fdt32_t tag;\r
88 fdt32_t len;\r
89 fdt32_t nameoff;\r
1e57a462 90 char data[0];\r
91};\r
92\r
93#endif /* !__ASSEMBLY */\r
94\r
95#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */\r
3e8576dd 96#define FDT_TAGSIZE sizeof(fdt32_t)\r
1e57a462 97\r
98#define FDT_BEGIN_NODE 0x1 /* Start node: full name */\r
99#define FDT_END_NODE 0x2 /* End node */\r
100#define FDT_PROP 0x3 /* Property: name off,\r
101 size, content */\r
102#define FDT_NOP 0x4 /* nop */\r
103#define FDT_END 0x9\r
104\r
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105#define FDT_V1_SIZE (7*sizeof(fdt32_t))\r
106#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))\r
107#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))\r
1e57a462 108#define FDT_V16_SIZE FDT_V3_SIZE\r
3e8576dd 109#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))\r
1e57a462 110\r
111#endif /* _FDT_H */\r