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include/fdt.h
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#ifndef _FDT_H #define _FDT_H |
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/* * libfdt - Flat Device Tree manipulation * Copyright (C) 2006 David Gibson, IBM Corporation. * Copyright 2012 Kim Phillips, Freescale Semiconductor. * * libfdt is dual licensed: you can use it either under the terms of * the GPL, or the BSD license, at your option. * * a) This library is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, * MA 02110-1301 USA * * Alternatively, * * b) Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * 1. Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ |
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#ifndef __ASSEMBLY__ struct fdt_header { |
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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 */ |
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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 */ /* 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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}; struct fdt_reserve_entry { |
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fdt64_t address; fdt64_t size; |
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}; struct fdt_node_header { |
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fdt32_t tag; |
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char name[0]; }; struct fdt_property { |
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fdt32_t tag; fdt32_t len; fdt32_t nameoff; |
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char data[0]; }; #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 */ #define FDT_END_NODE 0x2 /* End node */ #define FDT_PROP 0x3 /* Property: name off, |
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size, content */ #define FDT_NOP 0x4 /* nop */ #define FDT_END 0x9 |
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#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)) |
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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 */ |