diff options
Diffstat (limited to 'fs/yaffs2/direct/yaffs_fileem2k.h')
| -rw-r--r-- | fs/yaffs2/direct/yaffs_fileem2k.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/yaffs2/direct/yaffs_fileem2k.h b/fs/yaffs2/direct/yaffs_fileem2k.h new file mode 100644 index 0000000000..e694c9258f --- /dev/null +++ b/fs/yaffs2/direct/yaffs_fileem2k.h @@ -0,0 +1,50 @@ +/* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * + * Copyright (C) 2002-2007 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 2.1 as + * published by the Free Software Foundation. + * + * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. + */ + +#ifndef __FILEEM2K_H__ +#define __FILEEM2K_H__ + +#if 1 + +#define SIZE_IN_MB 128 +//#define SIZE_IN_MB 8000 +#define PAGE_DATA_SIZE (2048) +#define PAGE_SPARE_SIZE (64) +#define PAGE_SIZE (PAGE_DATA_SIZE + PAGE_SPARE_SIZE) +#define PAGES_PER_BLOCK (64) +#define BLOCK_DATA_SIZE (PAGE_DATA_SIZE * PAGES_PER_BLOCK) +#define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE)) +#define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE) +#define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB) + +#else + +#define SIZE_IN_MB 128 +#define PAGE_DATA_SIZE (512) +#define SPARE_SIZE (16) +#define PAGE_SIZE (PAGE_DATA_SIZE + SPARE_SIZE) +#define PAGES_PER_BLOCK (32) +#define BLOCK_DATA_SIZE (PAGE_SIZE * PAGES_PER_BLOCK) +#define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE)) +#define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE) +#define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB) + +#endif + + +int yflash_GetNumberOfBlocks(void); + +#endif + |