#ifndef _FLAT_DT_H_ #define _FLAT_DT_H_ #define OF_DEFAULT_VERSION 17 #define OF_DT_HEADER 0xd00dfeed /* 4: version, 4: total size */ #define OF_DT_BEGIN_NODE 0x1 /* Start node: full name */ #define OF_DT_END_NODE 0x2 /* End node */ #define OF_DT_PROP 0x3 /* Property: name off, size, content */ #define OF_DT_NOP 0x4 /* nop */ #define OF_DT_END 0x9 struct boot_param_header { uint32_t magic; /* magic word OF_DT_HEADER */ 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 DT structure block */ }; #define BPH_V1_SIZE (7*sizeof(uint32_t)) #define BPH_V2_SIZE (BPH_V1_SIZE + sizeof(uint32_t)) #define BPH_V3_SIZE (BPH_V2_SIZE + sizeof(uint32_t)) #define BPH_V17_SIZE (BPH_V3_SIZE + sizeof(uint32_t)) struct reserve_entry { uint64_t address; uint64_t size; }; struct flat_dt_property { uint32_t len; uint32_t nameoff; char data[0]; }; #endif /* _FLAT_DT_H_ */