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Diffstat (limited to 'scripts/dtc/libfdt/libfdt_internal.h')
-rw-r--r-- | scripts/dtc/libfdt/libfdt_internal.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/scripts/dtc/libfdt/libfdt_internal.h b/scripts/dtc/libfdt/libfdt_internal.h new file mode 100644 index 000000000000..46eb93e4af5c --- /dev/null +++ b/scripts/dtc/libfdt/libfdt_internal.h | |||
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1 | #ifndef _LIBFDT_INTERNAL_H | ||
2 | #define _LIBFDT_INTERNAL_H | ||
3 | /* | ||
4 | * libfdt - Flat Device Tree manipulation | ||
5 | * Copyright (C) 2006 David Gibson, IBM Corporation. | ||
6 | * | ||
7 | * libfdt is dual licensed: you can use it either under the terms of | ||
8 | * the GPL, or the BSD license, at your option. | ||
9 | * | ||
10 | * a) This library is free software; you can redistribute it and/or | ||
11 | * modify it under the terms of the GNU General Public License as | ||
12 | * published by the Free Software Foundation; either version 2 of the | ||
13 | * License, or (at your option) any later version. | ||
14 | * | ||
15 | * This library is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public | ||
21 | * License along with this library; if not, write to the Free | ||
22 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | ||
23 | * MA 02110-1301 USA | ||
24 | * | ||
25 | * Alternatively, | ||
26 | * | ||
27 | * b) Redistribution and use in source and binary forms, with or | ||
28 | * without modification, are permitted provided that the following | ||
29 | * conditions are met: | ||
30 | * | ||
31 | * 1. Redistributions of source code must retain the above | ||
32 | * copyright notice, this list of conditions and the following | ||
33 | * disclaimer. | ||
34 | * 2. Redistributions in binary form must reproduce the above | ||
35 | * copyright notice, this list of conditions and the following | ||
36 | * disclaimer in the documentation and/or other materials | ||
37 | * provided with the distribution. | ||
38 | * | ||
39 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | ||
40 | * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
41 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
42 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
43 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | ||
44 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
49 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
50 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | ||
51 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
52 | */ | ||
53 | #include <fdt.h> | ||
54 | |||
55 | #define FDT_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1)) | ||
56 | #define FDT_TAGALIGN(x) (FDT_ALIGN((x), FDT_TAGSIZE)) | ||
57 | |||
58 | #define FDT_CHECK_HEADER(fdt) \ | ||
59 | { \ | ||
60 | int err; \ | ||
61 | if ((err = fdt_check_header(fdt)) != 0) \ | ||
62 | return err; \ | ||
63 | } | ||
64 | |||
65 | uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset); | ||
66 | int _fdt_check_node_offset(const void *fdt, int offset); | ||
67 | const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); | ||
68 | int _fdt_node_end_offset(void *fdt, int nodeoffset); | ||
69 | |||
70 | static inline const void *_fdt_offset_ptr(const void *fdt, int offset) | ||
71 | { | ||
72 | return (const char *)fdt + fdt_off_dt_struct(fdt) + offset; | ||
73 | } | ||
74 | |||
75 | static inline void *_fdt_offset_ptr_w(void *fdt, int offset) | ||
76 | { | ||
77 | return (void *)(uintptr_t)_fdt_offset_ptr(fdt, offset); | ||
78 | } | ||
79 | |||
80 | static inline const struct fdt_reserve_entry *_fdt_mem_rsv(const void *fdt, int n) | ||
81 | { | ||
82 | const struct fdt_reserve_entry *rsv_table = | ||
83 | (const struct fdt_reserve_entry *) | ||
84 | ((const char *)fdt + fdt_off_mem_rsvmap(fdt)); | ||
85 | |||
86 | return rsv_table + n; | ||
87 | } | ||
88 | static inline struct fdt_reserve_entry *_fdt_mem_rsv_w(void *fdt, int n) | ||
89 | { | ||
90 | return (void *)(uintptr_t)_fdt_mem_rsv(fdt, n); | ||
91 | } | ||
92 | |||
93 | #define FDT_SW_MAGIC (~FDT_MAGIC) | ||
94 | |||
95 | #endif /* _LIBFDT_INTERNAL_H */ | ||