58 строки
1.3 KiB
C
58 строки
1.3 KiB
C
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/*
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* $Id: cfi_endian.h,v 1.11 2002/01/30 23:20:48 awozniak Exp $
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*
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*/
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#include <asm/byteorder.h>
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#ifndef CONFIG_MTD_CFI_ADV_OPTIONS
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#define CFI_HOST_ENDIAN
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#else
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#ifdef CONFIG_MTD_CFI_NOSWAP
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#define CFI_HOST_ENDIAN
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#endif
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#ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP
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#define CFI_LITTLE_ENDIAN
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#endif
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#ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP
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#define CFI_BIG_ENDIAN
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#endif
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#endif
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#if defined(CFI_LITTLE_ENDIAN)
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#define cpu_to_cfi8(x) (x)
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#define cfi8_to_cpu(x) (x)
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#define cpu_to_cfi16(x) cpu_to_le16(x)
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#define cpu_to_cfi32(x) cpu_to_le32(x)
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#define cpu_to_cfi64(x) cpu_to_le64(x)
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#define cfi16_to_cpu(x) le16_to_cpu(x)
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#define cfi32_to_cpu(x) le32_to_cpu(x)
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#define cfi64_to_cpu(x) le64_to_cpu(x)
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#elif defined (CFI_BIG_ENDIAN)
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#define cpu_to_cfi8(x) (x)
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#define cfi8_to_cpu(x) (x)
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#define cpu_to_cfi16(x) cpu_to_be16(x)
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#define cpu_to_cfi32(x) cpu_to_be32(x)
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#define cpu_to_cfi64(x) cpu_to_be64(x)
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#define cfi16_to_cpu(x) be16_to_cpu(x)
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#define cfi32_to_cpu(x) be32_to_cpu(x)
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#define cfi64_to_cpu(x) be64_to_cpu(x)
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#elif defined (CFI_HOST_ENDIAN)
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#define cpu_to_cfi8(x) (x)
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#define cfi8_to_cpu(x) (x)
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#define cpu_to_cfi16(x) (x)
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#define cpu_to_cfi32(x) (x)
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#define cpu_to_cfi64(x) (x)
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#define cfi16_to_cpu(x) (x)
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#define cfi32_to_cpu(x) (x)
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#define cfi64_to_cpu(x) (x)
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#else
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#error No CFI endianness defined
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#endif
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