1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 #pragma once 3 4 /* 5 * Copyright © 2010 - Maxim Levitsky 6 * 7 * mtd_probe is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * mtd_probe is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with mtd_probe; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301 USA 21 */ 22 23 #include <mtd/mtd-user.h> 24 25 #include "macro.h" 26 27 /* Full oob structure as written on the flash */ 28 struct sm_oob { 29 uint32_t reserved; 30 uint8_t data_status; 31 uint8_t block_status; 32 uint8_t lba_copy1[2]; 33 uint8_t ecc2[3]; 34 uint8_t lba_copy2[2]; 35 uint8_t ecc1[3]; 36 } _packed_; 37 38 /* one sector is always 512 bytes, but it can consist of two nand pages */ 39 #define SM_SECTOR_SIZE 512 40 41 /* oob area is also 16 bytes, but might be from two pages */ 42 #define SM_OOB_SIZE 16 43 44 /* This is maximum zone size, and all devices that have more that one zone 45 have this size */ 46 #define SM_MAX_ZONE_SIZE 1024 47 48 /* support for small page nand */ 49 #define SM_SMALL_PAGE 256 50 #define SM_SMALL_OOB_SIZE 8 51 52 int probe_smart_media(int mtd_fd, mtd_info_t *info); 53