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author | Gerald Van Baren <vanbaren@cideas.com> | 2007-03-31 11:59:59 -0400 |
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committer | Gerald Van Baren <vanbaren@cideas.com> | 2007-03-31 11:59:59 -0400 |
commit | 7cd5da0fe877e7171a4cdd44880bce783132871a (patch) | |
tree | b938b97ce604e9dadca0ac683275cd8ec9b0f3a3 /include/fdt.h | |
parent | 6db7d0af2336c126e4d4b2f248cc23516bdd46a8 (diff) | |
download | bootable_bootloader_goldelico_gta04-7cd5da0fe877e7171a4cdd44880bce783132871a.zip bootable_bootloader_goldelico_gta04-7cd5da0fe877e7171a4cdd44880bce783132871a.tar.gz bootable_bootloader_goldelico_gta04-7cd5da0fe877e7171a4cdd44880bce783132871a.tar.bz2 |
libfdt: Import libfdt source (1 of 2)
This adds the applicable libfdt source files (unmodified) and a README
to explain where the source came from.
Diffstat (limited to 'include/fdt.h')
-rw-r--r-- | include/fdt.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/fdt.h b/include/fdt.h new file mode 100644 index 0000000..e00559a --- /dev/null +++ b/include/fdt.h @@ -0,0 +1,60 @@ +#ifndef _FDT_H +#define _FDT_H + +#ifndef __ASSEMBLY__ + +struct fdt_header { + uint32_t magic; /* magic word FDT_MAGIC */ + uint32_t totalsize; /* total size of DT block */ + uint32_t off_dt_struct; /* offset to structure */ + uint32_t off_dt_strings; /* offset to strings */ + uint32_t off_mem_rsvmap; /* offset to memory reserve map */ + uint32_t version; /* format version */ + uint32_t last_comp_version; /* last compatible version */ + + /* version 2 fields below */ + uint32_t boot_cpuid_phys; /* Which physical CPU id we're + booting on */ + /* version 3 fields below */ + uint32_t size_dt_strings; /* size of the strings block */ + + /* version 17 fields below */ + uint32_t size_dt_struct; /* size of the structure block */ +}; + +struct fdt_reserve_entry { + uint64_t address; + uint64_t size; +}; + +struct fdt_node_header { + uint32_t tag; + char name[0]; +}; + +struct fdt_property { + uint32_t tag; + uint32_t len; + uint32_t nameoff; + char data[0]; +}; + +#endif /* !__ASSEMBLY */ + +#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ +#define FDT_TAGSIZE sizeof(uint32_t) + +#define FDT_BEGIN_NODE 0x1 /* Start node: full name */ +#define FDT_END_NODE 0x2 /* End node */ +#define FDT_PROP 0x3 /* Property: name off, + size, content */ +#define FDT_NOP 0x4 /* nop */ +#define FDT_END 0x9 + +#define FDT_V1_SIZE (7*sizeof(uint32_t)) +#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t)) +#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t)) +#define FDT_V16_SIZE FDT_V3_SIZE +#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t)) + +#endif /* _FDT_H */ |