mirror of
https://github.com/AsahiLinux/u-boot
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51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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/*
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* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
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*
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* Copyright (C) 2002-2007 Aleph One Ltd.
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* for Toby Churchill Ltd and Brightstar Engineering
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*
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* Created by Charles Manning <charles@aleph1.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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* published by the Free Software Foundation.
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*
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* Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
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*/
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#ifndef __FILEEM2K_H__
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#define __FILEEM2K_H__
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#if 1
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#define SIZE_IN_MB 128
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//#define SIZE_IN_MB 8000
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#define PAGE_DATA_SIZE (2048)
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#define PAGE_SPARE_SIZE (64)
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#define PAGE_SIZE (PAGE_DATA_SIZE + PAGE_SPARE_SIZE)
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#define PAGES_PER_BLOCK (64)
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#define BLOCK_DATA_SIZE (PAGE_DATA_SIZE * PAGES_PER_BLOCK)
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#define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE))
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#define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE)
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#define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB)
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#else
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#define SIZE_IN_MB 128
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#define PAGE_DATA_SIZE (512)
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#define SPARE_SIZE (16)
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#define PAGE_SIZE (PAGE_DATA_SIZE + SPARE_SIZE)
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#define PAGES_PER_BLOCK (32)
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#define BLOCK_DATA_SIZE (PAGE_SIZE * PAGES_PER_BLOCK)
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#define BLOCK_SIZE (PAGES_PER_BLOCK * (PAGE_SIZE))
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#define BLOCKS_PER_MB ((1024*1024)/BLOCK_DATA_SIZE)
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#define SIZE_IN_BLOCKS (BLOCKS_PER_MB * SIZE_IN_MB)
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#endif
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int yflash_GetNumberOfBlocks(void);
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#endif
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