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