xref: /openbmc/u-boot/fs/yaffs2/yaffs_nandemul2k.h (revision 15855700)
1 /*
2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3  *
4  * Copyright (C) 2002-2007 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 Lesser General Public License version 2.1 as
11  * published by the Free Software Foundation.
12  *
13  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
14  */
15 
16 /* Interface to emulated NAND functions (2k page size) */
17 
18 #ifndef __YAFFS_NANDEMUL2K_H__
19 #define __YAFFS_NANDEMUL2K_H__
20 
21 #include "yaffs_guts.h"
22 
23 int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_DeviceStruct *dev,
24 					int chunkInNAND, const __u8 * data,
25 					yaffs_ExtendedTags * tags);
26 int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_DeviceStruct *dev,
27 					 int chunkInNAND, __u8 * data,
28 					 yaffs_ExtendedTags * tags);
29 int nandemul2k_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
30 int nandemul2k_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
31 			      yaffs_BlockState * state, int *sequenceNumber);
32 int nandemul2k_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
33 				int blockInNAND);
34 int nandemul2k_InitialiseNAND(struct yaffs_DeviceStruct *dev);
35 int nandemul2k_GetBytesPerChunk(void);
36 int nandemul2k_GetChunksPerBlock(void);
37 int nandemul2k_GetNumberOfBlocks(void);
38 
39 #endif
40