| /* |
| * 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 |
