fdt.h revision 1.1.1.1.2.3
1 1.1.1.1.2.3 skrll /* $NetBSD: fdt.h,v 1.1.1.1.2.3 2017/08/28 17:52:34 skrll Exp $ */ 2 1.1.1.1.2.3 skrll 3 1.1.1.1.2.2 skrll #ifndef _FDT_H 4 1.1.1.1.2.2 skrll #define _FDT_H 5 1.1.1.1.2.2 skrll /* 6 1.1.1.1.2.2 skrll * libfdt - Flat Device Tree manipulation 7 1.1.1.1.2.2 skrll * Copyright (C) 2006 David Gibson, IBM Corporation. 8 1.1.1.1.2.2 skrll * Copyright 2012 Kim Phillips, Freescale Semiconductor. 9 1.1.1.1.2.2 skrll * 10 1.1.1.1.2.2 skrll * libfdt is dual licensed: you can use it either under the terms of 11 1.1.1.1.2.2 skrll * the GPL, or the BSD license, at your option. 12 1.1.1.1.2.2 skrll * 13 1.1.1.1.2.2 skrll * a) This library is free software; you can redistribute it and/or 14 1.1.1.1.2.2 skrll * modify it under the terms of the GNU General Public License as 15 1.1.1.1.2.2 skrll * published by the Free Software Foundation; either version 2 of the 16 1.1.1.1.2.2 skrll * License, or (at your option) any later version. 17 1.1.1.1.2.2 skrll * 18 1.1.1.1.2.2 skrll * This library is distributed in the hope that it will be useful, 19 1.1.1.1.2.2 skrll * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 1.1.1.1.2.2 skrll * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 1.1.1.1.2.2 skrll * GNU General Public License for more details. 22 1.1.1.1.2.2 skrll * 23 1.1.1.1.2.2 skrll * You should have received a copy of the GNU General Public 24 1.1.1.1.2.2 skrll * License along with this library; if not, write to the Free 25 1.1.1.1.2.2 skrll * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, 26 1.1.1.1.2.2 skrll * MA 02110-1301 USA 27 1.1.1.1.2.2 skrll * 28 1.1.1.1.2.2 skrll * Alternatively, 29 1.1.1.1.2.2 skrll * 30 1.1.1.1.2.2 skrll * b) Redistribution and use in source and binary forms, with or 31 1.1.1.1.2.2 skrll * without modification, are permitted provided that the following 32 1.1.1.1.2.2 skrll * conditions are met: 33 1.1.1.1.2.2 skrll * 34 1.1.1.1.2.2 skrll * 1. Redistributions of source code must retain the above 35 1.1.1.1.2.2 skrll * copyright notice, this list of conditions and the following 36 1.1.1.1.2.2 skrll * disclaimer. 37 1.1.1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above 38 1.1.1.1.2.2 skrll * copyright notice, this list of conditions and the following 39 1.1.1.1.2.2 skrll * disclaimer in the documentation and/or other materials 40 1.1.1.1.2.2 skrll * provided with the distribution. 41 1.1.1.1.2.2 skrll * 42 1.1.1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 43 1.1.1.1.2.2 skrll * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 44 1.1.1.1.2.2 skrll * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 45 1.1.1.1.2.2 skrll * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 46 1.1.1.1.2.2 skrll * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 47 1.1.1.1.2.2 skrll * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 48 1.1.1.1.2.2 skrll * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 49 1.1.1.1.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 50 1.1.1.1.2.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51 1.1.1.1.2.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 52 1.1.1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 53 1.1.1.1.2.2 skrll * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 54 1.1.1.1.2.2 skrll * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55 1.1.1.1.2.2 skrll */ 56 1.1.1.1.2.2 skrll 57 1.1.1.1.2.2 skrll #ifndef __ASSEMBLY__ 58 1.1.1.1.2.2 skrll 59 1.1.1.1.2.2 skrll struct fdt_header { 60 1.1.1.1.2.2 skrll fdt32_t magic; /* magic word FDT_MAGIC */ 61 1.1.1.1.2.2 skrll fdt32_t totalsize; /* total size of DT block */ 62 1.1.1.1.2.2 skrll fdt32_t off_dt_struct; /* offset to structure */ 63 1.1.1.1.2.2 skrll fdt32_t off_dt_strings; /* offset to strings */ 64 1.1.1.1.2.2 skrll fdt32_t off_mem_rsvmap; /* offset to memory reserve map */ 65 1.1.1.1.2.2 skrll fdt32_t version; /* format version */ 66 1.1.1.1.2.2 skrll fdt32_t last_comp_version; /* last compatible version */ 67 1.1.1.1.2.2 skrll 68 1.1.1.1.2.2 skrll /* version 2 fields below */ 69 1.1.1.1.2.2 skrll fdt32_t boot_cpuid_phys; /* Which physical CPU id we're 70 1.1.1.1.2.2 skrll booting on */ 71 1.1.1.1.2.2 skrll /* version 3 fields below */ 72 1.1.1.1.2.2 skrll fdt32_t size_dt_strings; /* size of the strings block */ 73 1.1.1.1.2.2 skrll 74 1.1.1.1.2.2 skrll /* version 17 fields below */ 75 1.1.1.1.2.2 skrll fdt32_t size_dt_struct; /* size of the structure block */ 76 1.1.1.1.2.2 skrll }; 77 1.1.1.1.2.2 skrll 78 1.1.1.1.2.2 skrll struct fdt_reserve_entry { 79 1.1.1.1.2.2 skrll fdt64_t address; 80 1.1.1.1.2.2 skrll fdt64_t size; 81 1.1.1.1.2.2 skrll }; 82 1.1.1.1.2.2 skrll 83 1.1.1.1.2.2 skrll struct fdt_node_header { 84 1.1.1.1.2.2 skrll fdt32_t tag; 85 1.1.1.1.2.2 skrll char name[0]; 86 1.1.1.1.2.2 skrll }; 87 1.1.1.1.2.2 skrll 88 1.1.1.1.2.2 skrll struct fdt_property { 89 1.1.1.1.2.2 skrll fdt32_t tag; 90 1.1.1.1.2.2 skrll fdt32_t len; 91 1.1.1.1.2.2 skrll fdt32_t nameoff; 92 1.1.1.1.2.2 skrll char data[0]; 93 1.1.1.1.2.2 skrll }; 94 1.1.1.1.2.2 skrll 95 1.1.1.1.2.2 skrll #endif /* !__ASSEMBLY */ 96 1.1.1.1.2.2 skrll 97 1.1.1.1.2.2 skrll #define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ 98 1.1.1.1.2.2 skrll #define FDT_TAGSIZE sizeof(fdt32_t) 99 1.1.1.1.2.2 skrll 100 1.1.1.1.2.2 skrll #define FDT_BEGIN_NODE 0x1 /* Start node: full name */ 101 1.1.1.1.2.2 skrll #define FDT_END_NODE 0x2 /* End node */ 102 1.1.1.1.2.2 skrll #define FDT_PROP 0x3 /* Property: name off, 103 1.1.1.1.2.2 skrll size, content */ 104 1.1.1.1.2.2 skrll #define FDT_NOP 0x4 /* nop */ 105 1.1.1.1.2.2 skrll #define FDT_END 0x9 106 1.1.1.1.2.2 skrll 107 1.1.1.1.2.2 skrll #define FDT_V1_SIZE (7*sizeof(fdt32_t)) 108 1.1.1.1.2.2 skrll #define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t)) 109 1.1.1.1.2.2 skrll #define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t)) 110 1.1.1.1.2.2 skrll #define FDT_V16_SIZE FDT_V3_SIZE 111 1.1.1.1.2.2 skrll #define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t)) 112 1.1.1.1.2.2 skrll 113 1.1.1.1.2.2 skrll #endif /* _FDT_H */ 114
Indexes created Wed Oct 15 16:09:53 GMT 2025