mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
71 lines
2 KiB
C
71 lines
2 KiB
C
/*
|
|
* Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <asm/byteorder.h>
|
|
|
|
#ifndef CONFIG_MTD_CFI_ADV_OPTIONS
|
|
|
|
#define CFI_HOST_ENDIAN
|
|
|
|
#else
|
|
|
|
#ifdef CONFIG_MTD_CFI_NOSWAP
|
|
#define CFI_HOST_ENDIAN
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP
|
|
#define CFI_LITTLE_ENDIAN
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP
|
|
#define CFI_BIG_ENDIAN
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#if defined(CFI_LITTLE_ENDIAN)
|
|
#define cpu_to_cfi8(x) (x)
|
|
#define cfi8_to_cpu(x) (x)
|
|
#define cpu_to_cfi16(x) cpu_to_le16(x)
|
|
#define cpu_to_cfi32(x) cpu_to_le32(x)
|
|
#define cpu_to_cfi64(x) cpu_to_le64(x)
|
|
#define cfi16_to_cpu(x) le16_to_cpu(x)
|
|
#define cfi32_to_cpu(x) le32_to_cpu(x)
|
|
#define cfi64_to_cpu(x) le64_to_cpu(x)
|
|
#elif defined (CFI_BIG_ENDIAN)
|
|
#define cpu_to_cfi8(x) (x)
|
|
#define cfi8_to_cpu(x) (x)
|
|
#define cpu_to_cfi16(x) cpu_to_be16(x)
|
|
#define cpu_to_cfi32(x) cpu_to_be32(x)
|
|
#define cpu_to_cfi64(x) cpu_to_be64(x)
|
|
#define cfi16_to_cpu(x) be16_to_cpu(x)
|
|
#define cfi32_to_cpu(x) be32_to_cpu(x)
|
|
#define cfi64_to_cpu(x) be64_to_cpu(x)
|
|
#elif defined (CFI_HOST_ENDIAN)
|
|
#define cpu_to_cfi8(x) (x)
|
|
#define cfi8_to_cpu(x) (x)
|
|
#define cpu_to_cfi16(x) (x)
|
|
#define cpu_to_cfi32(x) (x)
|
|
#define cpu_to_cfi64(x) (x)
|
|
#define cfi16_to_cpu(x) (x)
|
|
#define cfi32_to_cpu(x) (x)
|
|
#define cfi64_to_cpu(x) (x)
|
|
#else
|
|
#error No CFI endianness defined
|
|
#endif
|