Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * $Id: cfi_endian.h,v 1.11 2002/01/30 23:20:48 awozniak Exp $ | |
3 | * | |
4 | */ | |
5 | ||
6 | #include <asm/byteorder.h> | |
7 | ||
8 | #ifndef CONFIG_MTD_CFI_ADV_OPTIONS | |
9 | ||
10 | #define CFI_HOST_ENDIAN | |
11 | ||
12 | #else | |
13 | ||
14 | #ifdef CONFIG_MTD_CFI_NOSWAP | |
15 | #define CFI_HOST_ENDIAN | |
16 | #endif | |
17 | ||
18 | #ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP | |
19 | #define CFI_LITTLE_ENDIAN | |
20 | #endif | |
21 | ||
22 | #ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP | |
23 | #define CFI_BIG_ENDIAN | |
24 | #endif | |
25 | ||
26 | #endif | |
27 | ||
28 | #if defined(CFI_LITTLE_ENDIAN) | |
29 | #define cpu_to_cfi8(x) (x) | |
30 | #define cfi8_to_cpu(x) (x) | |
31 | #define cpu_to_cfi16(x) cpu_to_le16(x) | |
32 | #define cpu_to_cfi32(x) cpu_to_le32(x) | |
33 | #define cpu_to_cfi64(x) cpu_to_le64(x) | |
34 | #define cfi16_to_cpu(x) le16_to_cpu(x) | |
35 | #define cfi32_to_cpu(x) le32_to_cpu(x) | |
36 | #define cfi64_to_cpu(x) le64_to_cpu(x) | |
37 | #elif defined (CFI_BIG_ENDIAN) | |
38 | #define cpu_to_cfi8(x) (x) | |
39 | #define cfi8_to_cpu(x) (x) | |
40 | #define cpu_to_cfi16(x) cpu_to_be16(x) | |
41 | #define cpu_to_cfi32(x) cpu_to_be32(x) | |
42 | #define cpu_to_cfi64(x) cpu_to_be64(x) | |
43 | #define cfi16_to_cpu(x) be16_to_cpu(x) | |
44 | #define cfi32_to_cpu(x) be32_to_cpu(x) | |
45 | #define cfi64_to_cpu(x) be64_to_cpu(x) | |
46 | #elif defined (CFI_HOST_ENDIAN) | |
47 | #define cpu_to_cfi8(x) (x) | |
48 | #define cfi8_to_cpu(x) (x) | |
49 | #define cpu_to_cfi16(x) (x) | |
50 | #define cpu_to_cfi32(x) (x) | |
51 | #define cpu_to_cfi64(x) (x) | |
52 | #define cfi16_to_cpu(x) (x) | |
53 | #define cfi32_to_cpu(x) (x) | |
54 | #define cfi64_to_cpu(x) (x) | |
55 | #else | |
56 | #error No CFI endianness defined | |
57 | #endif |