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annotate direct/yaffs_flashif.h @ 1:2822f1d7ce92

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author charles <charles>
date Wed, 03 Nov 2004 08:29:28 +0000
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children 582d5458b4c6
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1 /*
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2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
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3 * yaffs_ramdisk.h: yaffs ram disk component
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4 *
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5 * Copyright (C) 2002 Aleph One Ltd.
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6 *
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7 * Created by Charles Manning <charles@aleph1.co.uk>
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8 *
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9 * This program is free software; you can redistribute it and/or modify
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10 * it under the terms of the GNU General Public License version 2 as
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11 * published by the Free Software Foundation.
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12 *
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13 * $Id: yaffs_flashif.h,v 1.1 2004-11-03 08:29:28 charles Exp $
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14 */
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15
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16 // This provides a rma disk under yaffs.
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17 // NB this is not intended for NAND emulation.
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18 // Use this with dev->useNANDECC enabled, then ECC overheads are not required.
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19
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20 #ifndef __YAFFS_FLASH_H__
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21 #define __YAFFS_FLASH_H__
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22
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23
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24 #include "yaffs_guts.h"
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25 int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
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26 int yflash_WriteChunkToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_Spare *spare);
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27 int yflash_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, yaffs_ExtendedTags *tags);
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28 int yflash_ReadChunkFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_Spare *spare);
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29 int yflash_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
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30 int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
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31 int yflash_InitialiseNAND(yaffs_Device *dev);
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32 int yflash_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
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33 int yflash_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber);
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34
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35 #endif