projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 7cd5da0f GVB |
1 | #ifndef _FDT_H |
| 2 | #define _FDT_H | |
| 3 | ||
| 4 | #ifndef __ASSEMBLY__ | |
| 5 | ||
| 6 | struct fdt_header { | |
| a5f601fd WD |
7 | uint32_t magic; /* magic word FDT_MAGIC */ |
| 8 | uint32_t totalsize; /* total size of DT block */ | |
| 9 | uint32_t off_dt_struct; /* offset to structure */ | |
| 10 | uint32_t off_dt_strings; /* offset to strings */ | |
| 11 | uint32_t off_mem_rsvmap; /* offset to memory reserve map */ | |
| 12 | uint32_t version; /* format version */ | |
| 13 | uint32_t last_comp_version; /* last compatible version */ | |
| 14 | ||
| 15 | /* version 2 fields below */ | |
| 16 | uint32_t boot_cpuid_phys; /* Which physical CPU id we're | |
| 7cd5da0f GVB |
17 | booting on */ |
| 18 | /* version 3 fields below */ | |
| a5f601fd | 19 | uint32_t size_dt_strings; /* size of the strings block */ |
| 7cd5da0f GVB |
20 | |
| 21 | /* version 17 fields below */ | |
| a5f601fd | 22 | uint32_t size_dt_struct; /* size of the structure block */ |
| 7cd5da0f GVB |
23 | }; |
| 24 | ||
| 25 | struct fdt_reserve_entry { | |
| 26 | uint64_t address; | |
| 27 | uint64_t size; | |
| 28 | }; | |
| 29 | ||
| 30 | struct fdt_node_header { | |
| 31 | uint32_t tag; | |
| 32 | char name[0]; | |
| 33 | }; | |
| 34 | ||
| 35 | struct fdt_property { | |
| 36 | uint32_t tag; | |
| 37 | uint32_t len; | |
| 38 | uint32_t nameoff; | |
| 39 | char data[0]; | |
| 40 | }; | |
| 41 | ||
| 42 | #endif /* !__ASSEMBLY */ | |
| 43 | ||
| a5f601fd | 44 | #define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ |
| 7cd5da0f GVB |
45 | #define FDT_TAGSIZE sizeof(uint32_t) |
| 46 | ||
| a5f601fd WD |
47 | #define FDT_BEGIN_NODE 0x1 /* Start node: full name */ |
| 48 | #define FDT_END_NODE 0x2 /* End node */ | |
| 49 | #define FDT_PROP 0x3 /* Property: name off, | |
| 7cd5da0f GVB |
50 | size, content */ |
| 51 | #define FDT_NOP 0x4 /* nop */ | |
| 52 | #define FDT_END 0x9 | |
| 53 | ||
| 54 | #define FDT_V1_SIZE (7*sizeof(uint32_t)) | |
| 55 | #define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t)) | |
| 56 | #define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t)) | |
| 57 | #define FDT_V16_SIZE FDT_V3_SIZE | |
| 58 | #define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t)) | |
| 59 | ||
| 56844a22 HS |
60 | /* adding a ramdisk needs 0x44 bytes in version 2008.10 */ |
| 61 | #define FDT_RAMDISK_OVERHEAD 0x80 | |
| 7cd5da0f | 62 | #endif /* _FDT_H */ |