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45 lines
1.4 KiB
45 lines
1.4 KiB
20 years ago
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#ifndef _FLAT_DT_H_
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#define _FLAT_DT_H_
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#define OF_DT_HEADER 0xd00dfeed /* 4: version, 4: total size */
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#define OF_DT_BEGIN_NODE 0x1 /* Start node: full name */
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#define OF_DT_END_NODE 0x2 /* End node */
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#define OF_DT_PROP 0x3 /* Property: name off,
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size, content */
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#define OF_DT_END 0x9
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struct boot_param_header {
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uint32_t magic; /* magic word OF_DT_HEADER */
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uint32_t totalsize; /* total size of DT block */
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uint32_t off_dt_struct; /* offset to structure */
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uint32_t off_dt_strings; /* offset to strings */
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uint32_t off_mem_rsvmap; /* offset to memory reserve map */
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uint32_t version; /* format version */
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uint32_t last_comp_version; /* last compatible version */
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/* version 2 fields below */
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uint32_t boot_cpuid_phys; /* Which physical CPU id we're
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booting on */
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/* version 3 fields below */
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uint32_t size_dt_strings; /* size of the strings block */
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};
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#define BPH_V1_SIZE (7*sizeof(uint32_t))
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#define BPH_V2_SIZE (BPH_V1_SIZE + sizeof(uint32_t))
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#define BPH_V3_SIZE (BPH_V2_SIZE + sizeof(uint32_t))
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struct reserve_entry {
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uint64_t address;
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uint64_t size;
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};
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struct flat_dt_property {
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uint32_t nameoff;
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uint32_t len;
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char data[0];
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};
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#endif /* _FLAT_DT_H_ */
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