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1 | /** @file\r |
| 2 | *\r |
| 3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r |
| 4 | * \r |
| 5 | * This program and the accompanying materials \r |
| 6 | * are licensed and made available under the terms and conditions of the BSD License \r |
| 7 | * which accompanies this distribution. The full text of the license may be found at \r |
| 8 | * http://opensource.org/licenses/bsd-license.php \r |
| 9 | *\r |
| 10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 12 | *\r |
| 13 | **/\r |
| 14 | \r |
| 15 | #ifndef _FDT_H\r |
| 16 | #define _FDT_H\r |
| 17 | \r |
| 18 | #ifndef __ASSEMBLY__\r |
| 19 | \r |
| 20 | struct fdt_header {\r |
| 21 | uint32_t magic; /* magic word FDT_MAGIC */\r |
| 22 | uint32_t totalsize; /* total size of DT block */\r |
| 23 | uint32_t off_dt_struct; /* offset to structure */\r |
| 24 | uint32_t off_dt_strings; /* offset to strings */\r |
| 25 | uint32_t off_mem_rsvmap; /* offset to memory reserve map */\r |
| 26 | uint32_t version; /* format version */\r |
| 27 | uint32_t last_comp_version; /* last compatible version */\r |
| 28 | \r |
| 29 | /* version 2 fields below */\r |
| 30 | uint32_t boot_cpuid_phys; /* Which physical CPU id we're\r |
| 31 | booting on */\r |
| 32 | /* version 3 fields below */\r |
| 33 | uint32_t size_dt_strings; /* size of the strings block */\r |
| 34 | \r |
| 35 | /* version 17 fields below */\r |
| 36 | uint32_t size_dt_struct; /* size of the structure block */\r |
| 37 | };\r |
| 38 | \r |
| 39 | struct fdt_reserve_entry {\r |
| 40 | uint64_t address;\r |
| 41 | uint64_t size;\r |
| 42 | };\r |
| 43 | \r |
| 44 | struct fdt_node_header {\r |
| 45 | uint32_t tag;\r |
| 46 | char name[0];\r |
| 47 | };\r |
| 48 | \r |
| 49 | struct fdt_property {\r |
| 50 | uint32_t tag;\r |
| 51 | uint32_t len;\r |
| 52 | uint32_t nameoff;\r |
| 53 | char data[0];\r |
| 54 | };\r |
| 55 | \r |
| 56 | #endif /* !__ASSEMBLY */\r |
| 57 | \r |
| 58 | #define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */\r |
| 59 | #define FDT_TAGSIZE sizeof(uint32_t)\r |
| 60 | \r |
| 61 | #define FDT_BEGIN_NODE 0x1 /* Start node: full name */\r |
| 62 | #define FDT_END_NODE 0x2 /* End node */\r |
| 63 | #define FDT_PROP 0x3 /* Property: name off,\r |
| 64 | size, content */\r |
| 65 | #define FDT_NOP 0x4 /* nop */\r |
| 66 | #define FDT_END 0x9\r |
| 67 | \r |
| 68 | #define FDT_V1_SIZE (7*sizeof(uint32_t))\r |
| 69 | #define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))\r |
| 70 | #define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))\r |
| 71 | #define FDT_V16_SIZE FDT_V3_SIZE\r |
| 72 | #define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t))\r |
| 73 | \r |
| 74 | #endif /* _FDT_H */\r |
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