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Gerald Van Baren6679f922007-04-06 14:17:14 -04001/*
2 * libfdt - Flat Device Tree manipulation (build/run environment adaptation)
3 * Copyright (C) 2007 Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
4 * Original version written by David Gibson, IBM Corporation.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
Gerald Van Baren7cd5da02007-03-31 11:59:59 -040021#ifndef _LIBFDT_ENV_H
22#define _LIBFDT_ENV_H
23
Bartlomiej Sieka8cf30802008-02-29 16:00:24 +010024#ifdef USE_HOSTCC
Bartlomiej Sieka74d1e662008-03-27 15:06:40 +010025#include <stdint.h>
Bartlomiej Sieka8cf30802008-02-29 16:00:24 +010026#include <string.h>
Wolfgang Denkdef08192008-10-21 11:23:56 +020027#include <endian.h>
28#include <byteswap.h>
Bartlomiej Sieka8cf30802008-02-29 16:00:24 +010029#else
Gerald Van Barenfa3a74c2007-03-31 12:05:39 -040030#include <linux/string.h>
Bartlomiej Sieka74d1e662008-03-27 15:06:40 +010031#include <linux/types.h>
Wolfgang Denkdef08192008-10-21 11:23:56 +020032#include <asm/byteorder.h>
Bartlomiej Sieka8cf30802008-02-29 16:00:24 +010033#endif /* USE_HOSTCC */
Gerald Van Baren7cd5da02007-03-31 11:59:59 -040034
Bartlomiej Sieka74d1e662008-03-27 15:06:40 +010035#include <stddef.h>
Kim Phillipse489b9c2008-06-10 11:06:17 -050036extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
Gerald Van Barenfa3a74c2007-03-31 12:05:39 -040037
Wolfgang Denkdef08192008-10-21 11:23:56 +020038#if __BYTE_ORDER == __LITTLE_ENDIAN
39#define fdt32_to_cpu(x) bswap_32(x)
40#define cpu_to_fdt32(x) bswap_32(x)
41#define fdt64_to_cpu(x) bswap_64(x)
42#define cpu_to_fdt64(x) bswap_64(x)
43#else
44#define fdt32_to_cpu(x) (x)
45#define cpu_to_fdt32(x) (x)
46#define fdt64_to_cpu(x) (x)
47#define cpu_to_fdt64(x) (x)
48#endif
Gerald Van Baren7cd5da02007-03-31 11:59:59 -040049
David Gibsonef4e8ce2008-07-07 10:10:48 +100050/*
51 * Types for `void *' pointers.
52 *
53 * Note: libfdt uses this definition from /usr/include/stdint.h.
54 * Define it here rather than pulling in all of stdint.h.
55 */
56#if __WORDSIZE == 64
57typedef unsigned long int uintptr_t;
58#else
59typedef unsigned int uintptr_t;
60#endif
61
Gerald Van Baren7cd5da02007-03-31 11:59:59 -040062#endif /* _LIBFDT_ENV_H */