/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
#ifndef FDT_H
#define FDT_H
/*
 * libfdt - Flat Device Tree manipulation
 * Copyright (C) 2006 David Gibson, IBM Corporation.
 * Copyright 2012 Kim Phillips, Freescale Semiconductor.
 */

#ifndef __ASSEMBLER__

struct fdt_header {
        fdt32_t magic;                   /* magic word FDT_MAGIC */
        fdt32_t totalsize;               /* total size of DT block */
        fdt32_t off_dt_struct;           /* offset to structure */
        fdt32_t off_dt_strings;          /* offset to strings */
        fdt32_t off_mem_rsvmap;          /* offset to memory reserve map */
        fdt32_t version;                 /* format version */
        fdt32_t last_comp_version;       /* last compatible version */

        /* version 2 fields below */
        fdt32_t boot_cpuid_phys;         /* Which physical CPU id we're
                                            booting on */
        /* version 3 fields below */
        fdt32_t size_dt_strings;         /* size of the strings block */

        /* version 17 fields below */
        fdt32_t size_dt_struct;          /* size of the structure block */
};

struct fdt_reserve_entry {
        fdt64_t address;
        fdt64_t size;
};

struct fdt_node_header {
        fdt32_t tag;
        char name[];
};

struct fdt_property {
        fdt32_t tag;
        fdt32_t len;
        fdt32_t nameoff;
        char data[];
};

#endif /* !__ASSEMBLER__ */

#define FDT_MAGIC       0xd00dfeed      /* 4: version, 4: total size */
#define FDT_TAGSIZE     sizeof(fdt32_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(fdt32_t))
#define FDT_V2_SIZE     (FDT_V1_SIZE + sizeof(fdt32_t))
#define FDT_V3_SIZE     (FDT_V2_SIZE + sizeof(fdt32_t))
#define FDT_V16_SIZE    FDT_V3_SIZE
#define FDT_V17_SIZE    (FDT_V16_SIZE + sizeof(fdt32_t))

#endif /* FDT_H */