xref: /openbmc/u-boot/fs/yaffs2/yaffs_nand.h (revision 3ebd892f)
1 /*
2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
3  *
4  * Copyright (C) 2002-2011 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 int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk,
21 			     u8 *buffer, struct yaffs_ext_tags *tags);
22 
23 int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev,
24 			     int nand_chunk,
25 			     const u8 *buffer, struct yaffs_ext_tags *tags);
26 
27 int yaffs_mark_bad(struct yaffs_dev *dev, int block_no);
28 
29 int yaffs_query_init_block_state(struct yaffs_dev *dev,
30 				 int block_no,
31 				 enum yaffs_block_state *state,
32 				 unsigned *seq_number);
33 
34 int yaffs_erase_block(struct yaffs_dev *dev, int flash_block);
35 
36 int yaffs_init_nand(struct yaffs_dev *dev);
37 
38 #endif
39