projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 6679f929 GVB |
1 | /* |
| 2 | * libfdt - Flat Device Tree manipulation | |
| 3 | * Copyright (C) 2006 David Gibson, IBM Corporation. | |
| 4 | * | |
| 5 | * This library is free software; you can redistribute it and/or | |
| 6 | * modify it under the terms of the GNU Lesser General Public License | |
| 7 | * as published by the Free Software Foundation; either version 2.1 of | |
| 8 | * the License, or (at your option) any later version. | |
| 9 | * | |
| 10 | * This library is distributed in the hope that it will be useful, but | |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * Lesser General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU Lesser General Public | |
| 16 | * License along with this library; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | */ | |
| 19 | ||
| 7cd5da0f GVB |
20 | #ifndef _FDT_H |
| 21 | #define _FDT_H | |
| 22 | ||
| 23 | #ifndef __ASSEMBLY__ | |
| 24 | ||
| 25 | struct fdt_header { | |
| 94abd7c0 WD |
26 | uint32_t magic; /* magic word FDT_MAGIC */ |
| 27 | uint32_t totalsize; /* total size of DT block */ | |
| 28 | uint32_t off_dt_struct; /* offset to structure */ | |
| 29 | uint32_t off_dt_strings; /* offset to strings */ | |
| 30 | uint32_t off_mem_rsvmap; /* offset to memory reserve map */ | |
| 31 | uint32_t version; /* format version */ | |
| 32 | uint32_t last_comp_version; /* last compatible version */ | |
| 33 | ||
| 34 | /* version 2 fields below */ | |
| 35 | uint32_t boot_cpuid_phys; /* Which physical CPU id we're | |
| 7cd5da0f GVB |
36 | booting on */ |
| 37 | /* version 3 fields below */ | |
| 94abd7c0 | 38 | uint32_t size_dt_strings; /* size of the strings block */ |
| 7cd5da0f GVB |
39 | |
| 40 | /* version 17 fields below */ | |
| 94abd7c0 | 41 | uint32_t size_dt_struct; /* size of the structure block */ |
| 7cd5da0f GVB |
42 | }; |
| 43 | ||
| 44 | struct fdt_reserve_entry { | |
| 45 | uint64_t address; | |
| 46 | uint64_t size; | |
| 47 | }; | |
| 48 | ||
| 49 | struct fdt_node_header { | |
| 50 | uint32_t tag; | |
| 51 | char name[0]; | |
| 52 | }; | |
| 53 | ||
| 54 | struct fdt_property { | |
| 55 | uint32_t tag; | |
| 56 | uint32_t len; | |
| 57 | uint32_t nameoff; | |
| 58 | char data[0]; | |
| 59 | }; | |
| 60 | ||
| 61 | #endif /* !__ASSEMBLY */ | |
| 62 | ||
| 94abd7c0 | 63 | #define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ |
| 7cd5da0f GVB |
64 | #define FDT_TAGSIZE sizeof(uint32_t) |
| 65 | ||
| 94abd7c0 WD |
66 | #define FDT_BEGIN_NODE 0x1 /* Start node: full name */ |
| 67 | #define FDT_END_NODE 0x2 /* End node */ | |
| 68 | #define FDT_PROP 0x3 /* Property: name off, | |
| 7cd5da0f GVB |
69 | size, content */ |
| 70 | #define FDT_NOP 0x4 /* nop */ | |
| 71 | #define FDT_END 0x9 | |
| 72 | ||
| 73 | #define FDT_V1_SIZE (7*sizeof(uint32_t)) | |
| 74 | #define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t)) | |
| 75 | #define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t)) | |
| 76 | #define FDT_V16_SIZE FDT_V3_SIZE | |
| 77 | #define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t)) | |
| 78 | ||
| 79 | #endif /* _FDT_H */ |