| Arve Hjønnevåg | 8237911 | 2010-05-18 20:35:30 -0700 | [diff] [blame] | 1 | /* |
| 2 | * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. |
| 3 | * |
| 4 | * Copyright (C) 2002-2010 Aleph One Ltd. |
| 5 | * for Toby Churchill Ltd and Brightstar Engineering |
| 6 | * |
| 7 | * Created by Charles Manning <charles@aleph1.co.uk> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include "yportenv.h" |
| 15 | |
| 16 | #include "yaffs_mtdif.h" |
| 17 | |
| 18 | #include "linux/mtd/mtd.h" |
| 19 | #include "linux/types.h" |
| 20 | #include "linux/time.h" |
| 21 | #include "linux/mtd/nand.h" |
| 22 | |
| 23 | #include "yaffs_linux.h" |
| 24 | |
| 25 | int nandmtd_erase_block(struct yaffs_dev *dev, int block_no) |
| 26 | { |
| 27 | struct mtd_info *mtd = yaffs_dev_to_mtd(dev); |
| 28 | u32 addr = |
| 29 | ((loff_t) block_no) * dev->param.total_bytes_per_chunk |
| 30 | * dev->param.chunks_per_block; |
| 31 | struct erase_info ei; |
| 32 | |
| 33 | int retval = 0; |
| 34 | |
| 35 | ei.mtd = mtd; |
| 36 | ei.addr = addr; |
| 37 | ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block; |
| 38 | ei.time = 1000; |
| 39 | ei.retries = 2; |
| 40 | ei.callback = NULL; |
| 41 | ei.priv = (u_long) dev; |
| 42 | |
| 43 | retval = mtd->erase(mtd, &ei); |
| 44 | |
| 45 | if (retval == 0) |
| 46 | return YAFFS_OK; |
| 47 | else |
| 48 | return YAFFS_FAIL; |
| 49 | } |
| 50 | |
| 51 | int nandmtd_initialise(struct yaffs_dev *dev) |
| 52 | { |
| 53 | return YAFFS_OK; |
| 54 | } |