RTEMS
6.1-rc5
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cpukit
include
fdt.h
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/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
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#ifndef FDT_H
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#define FDT_H
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/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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* Copyright 2012 Kim Phillips, Freescale Semiconductor.
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*/
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#ifndef __ASSEMBLY__
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struct
fdt_header
{
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fdt32_t magic;
/* magic word FDT_MAGIC */
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fdt32_t totalsize;
/* total size of DT block */
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fdt32_t off_dt_struct;
/* offset to structure */
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fdt32_t off_dt_strings;
/* offset to strings */
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fdt32_t off_mem_rsvmap;
/* offset to memory reserve map */
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fdt32_t version;
/* format version */
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fdt32_t last_comp_version;
/* last compatible version */
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/* version 2 fields below */
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fdt32_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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fdt32_t size_dt_strings;
/* size of the strings block */
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/* version 17 fields below */
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fdt32_t size_dt_struct;
/* size of the structure block */
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};
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struct
fdt_reserve_entry
{
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fdt64_t address;
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fdt64_t size;
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};
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struct
fdt_node_header
{
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fdt32_t tag;
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char
name[0];
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};
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struct
fdt_property
{
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fdt32_t tag;
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fdt32_t len;
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fdt32_t nameoff;
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char
data[0];
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};
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#endif
/* !__ASSEMBLY */
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#define FDT_MAGIC 0xd00dfeed
/* 4: version, 4: total size */
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#define FDT_TAGSIZE sizeof(fdt32_t)
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#define FDT_BEGIN_NODE 0x1
/* Start node: full name */
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#define FDT_END_NODE 0x2
/* End node */
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#define FDT_PROP 0x3
/* Property: name off,
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size, content */
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#define FDT_NOP 0x4
/* nop */
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#define FDT_END 0x9
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#define FDT_V1_SIZE (7*sizeof(fdt32_t))
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#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
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#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
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#define FDT_V16_SIZE FDT_V3_SIZE
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#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
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#endif
/* FDT_H */
fdt_header
Definition:
fdt.h:12
fdt_node_header
Definition:
fdt.h:36
fdt_property
Definition:
fdt.h:41
fdt_reserve_entry
Definition:
fdt.h:31
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