From 7cd5da0fe877e7171a4cdd44880bce783132871a Mon Sep 17 00:00:00 2001 From: Gerald Van Baren Date: Sat, 31 Mar 2007 11:59:59 -0400 Subject: libfdt: Import libfdt source (1 of 2) This adds the applicable libfdt source files (unmodified) and a README to explain where the source came from. --- include/fdt.h | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 include/fdt.h (limited to 'include/fdt.h') diff --git a/include/fdt.h b/include/fdt.h new file mode 100644 index 0000000..e00559a --- /dev/null +++ b/include/fdt.h @@ -0,0 +1,60 @@ +#ifndef _FDT_H +#define _FDT_H + +#ifndef __ASSEMBLY__ + +struct fdt_header { + uint32_t magic; /* magic word FDT_MAGIC */ + uint32_t totalsize; /* total size of DT block */ + uint32_t off_dt_struct; /* offset to structure */ + uint32_t off_dt_strings; /* offset to strings */ + uint32_t off_mem_rsvmap; /* offset to memory reserve map */ + uint32_t version; /* format version */ + uint32_t last_comp_version; /* last compatible version */ + + /* version 2 fields below */ + uint32_t boot_cpuid_phys; /* Which physical CPU id we're + booting on */ + /* version 3 fields below */ + uint32_t size_dt_strings; /* size of the strings block */ + + /* version 17 fields below */ + uint32_t size_dt_struct; /* size of the structure block */ +}; + +struct fdt_reserve_entry { + uint64_t address; + uint64_t size; +}; + +struct fdt_node_header { + uint32_t tag; + char name[0]; +}; + +struct fdt_property { + uint32_t tag; + uint32_t len; + uint32_t nameoff; + char data[0]; +}; + +#endif /* !__ASSEMBLY */ + +#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ +#define FDT_TAGSIZE sizeof(uint32_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(uint32_t)) +#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t)) +#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t)) +#define FDT_V16_SIZE FDT_V3_SIZE +#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t)) + +#endif /* _FDT_H */ -- cgit v1.1 From 94abd7c0583ebe01e799b25f451201deeaab550d Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Wed, 4 Apr 2007 01:49:15 +0200 Subject: Minor cleanup. --- include/fdt.h | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) (limited to 'include/fdt.h') diff --git a/include/fdt.h b/include/fdt.h index e00559a..48ccfd9 100644 --- a/include/fdt.h +++ b/include/fdt.h @@ -4,22 +4,22 @@ #ifndef __ASSEMBLY__ struct fdt_header { - uint32_t magic; /* magic word FDT_MAGIC */ - uint32_t totalsize; /* total size of DT block */ - uint32_t off_dt_struct; /* offset to structure */ - uint32_t off_dt_strings; /* offset to strings */ - uint32_t off_mem_rsvmap; /* offset to memory reserve map */ - uint32_t version; /* format version */ - uint32_t last_comp_version; /* last compatible version */ - - /* version 2 fields below */ - uint32_t boot_cpuid_phys; /* Which physical CPU id we're + uint32_t magic; /* magic word FDT_MAGIC */ + uint32_t totalsize; /* total size of DT block */ + uint32_t off_dt_struct; /* offset to structure */ + uint32_t off_dt_strings; /* offset to strings */ + uint32_t off_mem_rsvmap; /* offset to memory reserve map */ + uint32_t version; /* format version */ + uint32_t last_comp_version; /* last compatible version */ + + /* version 2 fields below */ + uint32_t boot_cpuid_phys; /* Which physical CPU id we're booting on */ /* version 3 fields below */ - uint32_t size_dt_strings; /* size of the strings block */ + uint32_t size_dt_strings; /* size of the strings block */ /* version 17 fields below */ - uint32_t size_dt_struct; /* size of the structure block */ + uint32_t size_dt_struct; /* size of the structure block */ }; struct fdt_reserve_entry { @@ -41,12 +41,12 @@ struct fdt_property { #endif /* !__ASSEMBLY */ -#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ +#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */ #define FDT_TAGSIZE sizeof(uint32_t) -#define FDT_BEGIN_NODE 0x1 /* Start node: full name */ -#define FDT_END_NODE 0x2 /* End node */ -#define FDT_PROP 0x3 /* Property: name off, +#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 -- cgit v1.1 From 6679f9299534e488a171a9bb8f9bb891de247aab Mon Sep 17 00:00:00 2001 From: Gerald Van Baren Date: Fri, 6 Apr 2007 14:17:14 -0400 Subject: libfdt: Make fdt_check_header() public Changed _fdt_check_header() to fdt_check_header() and made it part of the interface - it is a useful routine. Also did some asthetics cleanup to the include files (headers). --- include/fdt.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include/fdt.h') diff --git a/include/fdt.h b/include/fdt.h index 48ccfd9..3dd3aca 100644 --- a/include/fdt.h +++ b/include/fdt.h @@ -1,3 +1,22 @@ +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser 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 + */ + #ifndef _FDT_H #define _FDT_H -- cgit v1.1