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9130ba8846
This adds the following commits from upstream:
aadd0b65c987 checks: centralize printing of property names in failure messages
88960e398907 checks: centralize printing of node path in check_msg
f1879e1a50eb Add limited read-only support for older (V2 and V3) device tree to libfdt.
37dea76e9700 srcpos: drop special handling of tab
65893da4aee0 libfdt: overlay: Add missing license
962a45ca034d Avoid installing pylibfdt when dependencies are missing
cd6ea1b2bea6 Makefile: Split INSTALL out into INSTALL_{PROGRAM,LIB,DATA,SCRIPT}
51b3a16338df Makefile.tests: Add LIBDL make(1) variable for portability sake
333d533a8f4d Attempt to auto-detect stat(1) being used if not given proper invocation
e54388015af1 dtc: Bump version to v1.4.6
a1fe86f380cb fdtoverlay: Switch from using alloca to malloc
c8d5472de3ff tests: Improve compatibility with other platforms
c81d389a10cc checks: add chosen node checks
e671852042a7 checks: add aliases node checks
d0c44ebe3f42 checks: check for #{size,address}-cells without child nodes
18a3d84bb802 checks: add string list check for *-names properties
8fe94fd6f19f checks: add string list check
6c5730819604 checks: add a string check for 'label' property
a384191eba09 checks: fix sound-dai phandle with arg property check
b260c4f610c0 Fix ambiguous grammar for devicetree rule
fe667e382bac tests: Add some basic tests for the pci_bridge checks
7975f6422260 Fix widespread incorrect use of strneq(), replace with new strprefixeq()
fca296445eab Add strstarts() helper function
cc392f089007 tests: Check non-matching cases for fdt_node_check_compatible()
bba26a5291c8 livetree: avoid assertion of orphan phandles with overlays
c8f8194d76cc implement strnlen for systems that need it
c8b38f65fdec libfdt: Remove leading underscores from identifiers
3b62fdaebfe5 Remove leading underscores from identifiers
2d45d1c5c65e Replace FDT_VERSION() with stringify()
2e6fe5a107b5 Fix some errors in comments
b0ae9e4b0ceb tests: Correct warning in sw_tree1.c
Commit c8b38f65fdec upstream ("libfdt: Remove leading underscores from
identifiers") changed the multiple inclusion define protection, so the
kernel's libfdt_env.h needs the corresponding update.
Signed-off-by: Rob Herring <robh@kernel.org>
112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
#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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* libfdt is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
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*
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* a) This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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* Alternatively,
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*
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* b) Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 */
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