1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #ifndef __MTD_DEV_H__ 32 #define __MTD_DEV_H__ 33 34 #include "los_typedef.h" 35 36 #define MTD_NORFLASH 3 37 #define MTD_NANDFLASH 4 38 #define MTD_DATAFLASH 6 39 #define MTD_MLCNANDFLASH 8 40 41 struct MtdNorDev { 42 unsigned long blockSize; 43 unsigned long blockStart; 44 unsigned long blockEnd; 45 }; 46 47 struct MtdDev { 48 VOID *priv; 49 UINT32 type; 50 51 UINT64 size; 52 UINT32 eraseSize; 53 54 int (*erase)(struct MtdDev *mtd, UINT64 start, UINT64 len, UINT64 *failAddr); 55 int (*read)(struct MtdDev *mtd, UINT64 start, UINT64 len, const char *buf); 56 int (*write)(struct MtdDev *mtd, UINT64 start, UINT64 len, const char *buf); 57 }; 58 59 #endif /* __MTD_DEV_H__ */ 60