Home | History | Annotate | Download | only in mtd
      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
     58