| /* |
| * YAFFS: Yet another FFS. A NAND-flash specific file system. |
| * yaffs_ramdisk.c: yaffs ram disk component |
| * |
| * Copyright (C) 2002 Aleph One Ltd. |
| * |
| * 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 General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| |
| #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 |
| |