1/*
2 * $Id: cfi_endian.h,v 1.1.1.1 2008/10/15 03:27:31 james26_jang 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 cfi16_to_cpu(x) le16_to_cpu(x)
34#define cfi32_to_cpu(x) le32_to_cpu(x)
35#elif defined(CFI_BIG_ENDIAN)
36#define cpu_to_cfi8(x) (x)
37#define cfi8_to_cpu(x) (x)
38#define cpu_to_cfi16(x) cpu_to_be16(x)
39#define cpu_to_cfi32(x) cpu_to_be32(x)
40#define cfi16_to_cpu(x) be16_to_cpu(x)
41#define cfi32_to_cpu(x) be32_to_cpu(x)
42#elif defined(CFI_HOST_ENDIAN)
43#define cpu_to_cfi8(x) (x)
44#define cfi8_to_cpu(x) (x)
45#define cpu_to_cfi16(x) (x)
46#define cpu_to_cfi32(x) (x)
47#define cfi16_to_cpu(x) (x)
48#define cfi32_to_cpu(x) (x)
49#else
50#error No CFI endianness defined
51#endif
52