1/*
2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
3 * yaffs_ramdisk.c: yaffs ram disk component
4 *
5 * Copyright (C) 2002 Aleph One Ltd.
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 General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 */
14
15#ifndef __FILEEM2K_H__
16#define __FILEEM2K_H__
17
18#if 1
19
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)
30
31#else
32
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)
42
43#endif
44
45
46int yflash_GetNumberOfBlocks(void);
47
48#endif
49
50