2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
3 * yaffs_ramdisk.c: yaffs ram disk component
5 * Copyright (C) 2002 Aleph One Ltd.
7 * Created by Charles Manning <charles@aleph1.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 #ifndef __FILEEM2K_H__
16 #define __FILEEM2K_H__
20 #define SIZE_IN_MB 128
21 //#define SIZE_IN_MB 8000
22 #define PAGE_DATA_SIZE (2048)
23 #define PAGE_SPARE_SIZE (64)
24 #define PAGE_SIZE (PAGE_DATA_SIZE + PAGE_SPARE_SIZE)
25 #define PAGES_PER_BLOCK (64)
26 #define BLOCK_DATA_SIZE (PAGE_DATA_SIZE * PAGES_PER_BLOCK)
27 #define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE))
28 #define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE)
29 #define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB)
33 #define SIZE_IN_MB 128
34 #define PAGE_DATA_SIZE (512)
35 #define SPARE_SIZE (16)
36 #define PAGE_SIZE (PAGE_DATA_SIZE + SPARE_SIZE)
37 #define PAGES_PER_BLOCK (32)
38 #define BLOCK_DATA_SIZE (PAGE_SIZE * PAGES_PER_BLOCK)
39 #define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE))
40 #define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE)
41 #define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB)
46 int yflash_GetNumberOfBlocks(void);