diff options
Diffstat (limited to 'arch/powerpc/boot/flatdevtree.h')
-rw-r--r-- | arch/powerpc/boot/flatdevtree.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/powerpc/boot/flatdevtree.h b/arch/powerpc/boot/flatdevtree.h new file mode 100644 index 000000000000..761c8dc84008 --- /dev/null +++ b/arch/powerpc/boot/flatdevtree.h | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or modify | ||
3 | * it under the terms of the GNU General Public License as published by | ||
4 | * the Free Software Foundation; either version 2 of the License, or | ||
5 | * (at your option) any later version. | ||
6 | * | ||
7 | * This program is distributed in the hope that it will be useful, | ||
8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
10 | * GNU General Public License for more details. | ||
11 | * | ||
12 | * You should have received a copy of the GNU General Public License | ||
13 | * along with this program; if not, write to the Free Software | ||
14 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
15 | */ | ||
16 | |||
17 | #ifndef FLATDEVTREE_H | ||
18 | #define FLATDEVTREE_H | ||
19 | |||
20 | #include "types.h" | ||
21 | |||
22 | /* Definitions used by the flattened device tree */ | ||
23 | #define OF_DT_HEADER 0xd00dfeed /* marker */ | ||
24 | #define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ | ||
25 | #define OF_DT_END_NODE 0x2 /* End node */ | ||
26 | #define OF_DT_PROP 0x3 /* Property: name off, size, content */ | ||
27 | #define OF_DT_NOP 0x4 /* nop */ | ||
28 | #define OF_DT_END 0x9 | ||
29 | |||
30 | #define OF_DT_VERSION 0x10 | ||
31 | |||
32 | struct boot_param_header { | ||
33 | u32 magic; /* magic word OF_DT_HEADER */ | ||
34 | u32 totalsize; /* total size of DT block */ | ||
35 | u32 off_dt_struct; /* offset to structure */ | ||
36 | u32 off_dt_strings; /* offset to strings */ | ||
37 | u32 off_mem_rsvmap; /* offset to memory reserve map */ | ||
38 | u32 version; /* format version */ | ||
39 | u32 last_comp_version; /* last compatible version */ | ||
40 | /* version 2 fields below */ | ||
41 | u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ | ||
42 | /* version 3 fields below */ | ||
43 | u32 dt_strings_size; /* size of the DT strings block */ | ||
44 | }; | ||
45 | |||
46 | #endif /* FLATDEVTREE_H */ | ||