blob: e694c9258f333a479cabe50545738ab759e5cbe6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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
|