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a1452a37 DW |
1 | /* |
2 | * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | * | |
18 | */ | |
19 | ||
1da177e4 LT |
20 | #include <asm/byteorder.h> |
21 | ||
22 | #ifndef CONFIG_MTD_CFI_ADV_OPTIONS | |
23 | ||
24 | #define CFI_HOST_ENDIAN | |
25 | ||
26 | #else | |
27 | ||
28 | #ifdef CONFIG_MTD_CFI_NOSWAP | |
29 | #define CFI_HOST_ENDIAN | |
30 | #endif | |
31 | ||
32 | #ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP | |
33 | #define CFI_LITTLE_ENDIAN | |
34 | #endif | |
35 | ||
36 | #ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP | |
37 | #define CFI_BIG_ENDIAN | |
38 | #endif | |
39 | ||
40 | #endif | |
41 | ||
42 | #if defined(CFI_LITTLE_ENDIAN) | |
43 | #define cpu_to_cfi8(x) (x) | |
44 | #define cfi8_to_cpu(x) (x) | |
45 | #define cpu_to_cfi16(x) cpu_to_le16(x) | |
46 | #define cpu_to_cfi32(x) cpu_to_le32(x) | |
47 | #define cpu_to_cfi64(x) cpu_to_le64(x) | |
48 | #define cfi16_to_cpu(x) le16_to_cpu(x) | |
49 | #define cfi32_to_cpu(x) le32_to_cpu(x) | |
50 | #define cfi64_to_cpu(x) le64_to_cpu(x) | |
51 | #elif defined (CFI_BIG_ENDIAN) | |
52 | #define cpu_to_cfi8(x) (x) | |
53 | #define cfi8_to_cpu(x) (x) | |
54 | #define cpu_to_cfi16(x) cpu_to_be16(x) | |
55 | #define cpu_to_cfi32(x) cpu_to_be32(x) | |
56 | #define cpu_to_cfi64(x) cpu_to_be64(x) | |
57 | #define cfi16_to_cpu(x) be16_to_cpu(x) | |
58 | #define cfi32_to_cpu(x) be32_to_cpu(x) | |
59 | #define cfi64_to_cpu(x) be64_to_cpu(x) | |
60 | #elif defined (CFI_HOST_ENDIAN) | |
61 | #define cpu_to_cfi8(x) (x) | |
62 | #define cfi8_to_cpu(x) (x) | |
63 | #define cpu_to_cfi16(x) (x) | |
64 | #define cpu_to_cfi32(x) (x) | |
65 | #define cpu_to_cfi64(x) (x) | |
66 | #define cfi16_to_cpu(x) (x) | |
67 | #define cfi32_to_cpu(x) (x) | |
68 | #define cfi64_to_cpu(x) (x) | |
69 | #else | |
70 | #error No CFI endianness defined | |
71 | #endif |