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