xref: /openbmc/u-boot/fs/yaffs2/yaffs_nand.h (revision e2a53458)
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 #ifndef __YAFFS_NAND_H__
17 #define __YAFFS_NAND_H__
18 #include "yaffs_guts.h"
19 
20 
21 
22 int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
23 					   __u8 * buffer,
24 					   yaffs_ExtendedTags * tags);
25 
26 int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
27 						   int chunkInNAND,
28 						   const __u8 * buffer,
29 						   yaffs_ExtendedTags * tags);
30 
31 int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo);
32 
33 int yaffs_QueryInitialBlockState(yaffs_Device * dev,
34 						 int blockNo,
35 						 yaffs_BlockState * state,
36 						 int *sequenceNumber);
37 
38 int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
39 				  int blockInNAND);
40 
41 int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev);
42 
43 #endif
44