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			57 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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) 2002-2010 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 General Public License version 2 as
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|  * published by the Free Software Foundation.
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|  */
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| 
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| #include "yportenv.h"
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| 
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| 
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| #include "yaffs_mtdif.h"
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| 
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| #include "linux/mtd/mtd.h"
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| #include "linux/types.h"
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| #include "linux/time.h"
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| #include "linux/mtd/nand.h"
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| 
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| #include "yaffs_linux.h"
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| 
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| int nandmtd_EraseBlockInNAND(yaffs_dev_t *dev, int blockNumber)
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| {
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| 	struct mtd_info *mtd = yaffs_dev_to_mtd(dev);
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| 	__u32 addr =
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| 	    ((loff_t) blockNumber) * dev->param.total_bytes_per_chunk
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| 		* dev->param.chunks_per_block;
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| 	struct erase_info ei;
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| 	
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| 	int retval = 0;
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| 
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| 	ei.mtd = mtd;
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| 	ei.addr = addr;
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| 	ei.len = dev->param.total_bytes_per_chunk * dev->param.chunks_per_block;
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| 	ei.time = 1000;
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| 	ei.retries = 2;
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| 	ei.callback = NULL;
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| 	ei.priv = (u_long) dev;
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| 
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| 	retval = mtd->erase(mtd, &ei);
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| 
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| 	if (retval == 0)
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| 		return YAFFS_OK;
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| 	else
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| 		return YAFFS_FAIL;
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| }
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| 
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| int nandmtd_InitialiseNAND(yaffs_dev_t *dev)
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| {
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| 	return YAFFS_OK;
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| }
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| 
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