root/scripts/dtc/libfdt/fdt.h

INCLUDED FROM

#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 */