X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffs_flashif.c;fp=direct%2Fyaffs_flashif.c;h=0000000000000000000000000000000000000000;hp=f7c1998d996c3073ff0f709d77b9c25fdcc0f2be;hb=83d99930038ef56463b6551aff5aa4d8348ce240;hpb=00ebf30805d631cd9bb3155aa249705b3a5777f5

diff --git a/direct/yaffs_flashif.c b/direct/yaffs_flashif.c
deleted file mode 100644
index f7c1998..0000000
--- a/direct/yaffs_flashif.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2011 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 General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-
-const char *yaffs_flashif_c_version = "$Id: yaffs_flashif.c,v 1.3 2007-02-14 01:09:06 wookey Exp $";
-
-
-#include "yportenv.h"
-
-#include "yaffs_flashif.h"
-#include "yaffs_guts.h"
-
-
-#define SIZE_IN_MB 16
-
-#define BLOCK_SIZE (32 * 528)
-#define BLOCKS_PER_MEG ((1024*1024)/(32 * 512))
-
-
-
-typedef struct 
-{
-	u8 data[528]; // Data + spare
-} yflash_Page;
-
-typedef struct
-{
-	yflash_Page page[32]; // The pages in the block
-	
-} yflash_Block;
-
-
-
-typedef struct
-{
-	yflash_Block **block;
-	int nBlocks;
-} yflash_Device;
-
-static yflash_Device ramdisk;
-
-static int  CheckInit(struct yaffs_dev *dev)
-{
-	static int initialised = 0;
-	
-	int i;
-	int fail = 0;
-	int nAllocated = 0;
-	
-	if(initialised) 
-	{
-		return YAFFS_OK;
-	}
-
-	initialised = 1;
-	
-	
-	ramdisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
-	
-	ramdisk.block = kmalloc(sizeof(yflash_Block *) * ramdisk.nBlocks);
-	
-	if(!ramdisk.block) return 0;
-	
-	for(i=0; i <ramdisk.nBlocks; i++)
-	{
-		ramdisk.block[i] = NULL;
-	}
-	
-	for(i=0; i <ramdisk.nBlocks && !fail; i++)
-	{
-		if((ramdisk.block[i] = kmalloc(sizeof(yflash_Block))) == 0)
-		{
-			fail = 1;
-		}
-		else
-		{
-			yflash_EraseBlockInNAND(dev,i);
-			nAllocated++;
-		}
-	}
-	
-	if(fail)
-	{
-		for(i = 0; i < nAllocated; i++)
-		{
-			kfree(ramdisk.block[i]);
-		}
-		kfree(ramdisk.block);
-		
-		T(YAFFS_TRACE_ALWAYS,("Allocation failed, could only allocate %dMB of %dMB requested.\n",
-		   nAllocated/64,ramdisk.nBlocks * YAFFS_BYTES_PER_BLOCK));
-		return 0;
-	}
-	
-	
-	
-	return 1;
-}
-
-int yflash_WriteChunkWithTagsToNAND(struct yaffs_dev *dev,int nand_chunk,const u8 *data, struct yaffs_ext_tags *tags)
-{
-	int blk;
-	int pg;
-	
-
-	CheckInit(dev);
-	
-	blk = nand_chunk/32;
-	pg = nand_chunk%32;
-	
-	
-	if(data)
-	{
-		memcpy(ramdisk.block[blk]->page[pg].data,data,512);
-	}
-	
-	
-	if(tags)
-	{
-		yaffs_PackedTags pt;
-		yaffs_PackTags(&pt,tags);
-		memcpy(&ramdisk.block[blk]->page[pg].data[512],&pt,sizeof(pt));
-	}
-
-	return YAFFS_OK;	
-
-}
-
-
-int yflash_ReadChunkWithTagsFromNAND(struct yaffs_dev *dev,int nand_chunk, u8 *data, struct yaffs_tags *tags)
-{
-	int blk;
-	int pg;
-
-	
-	CheckInit(dev);
-	
-	blk = nand_chunk/32;
-	pg = nand_chunk%32;
-	
-	
-	if(data)
-	{
-		memcpy(data,ramdisk.block[blk]->page[pg].data,512);
-	}
-	
-	
-	if(tags)
-	{
-		yaffs_PackedTags pt;
-		memcpy(&pt,&ramdisk.block[blk]->page[pg].data[512],sizeof(yaffs_PackedTags));
-		yaffs_unpack_tags(tags,&pt);
-	}
-
-	return YAFFS_OK;
-}
-
-
-int yflash_CheckChunkErased(struct yaffs_dev *dev,int nand_chunk)
-{
-	int blk;
-	int pg;
-	int i;
-
-	
-	CheckInit(dev);
-	
-	blk = nand_chunk/32;
-	pg = nand_chunk%32;
-	
-	
-	for(i = 0; i < 528; i++)
-	{
-		if(ramdisk.block[blk]->page[pg].data[i] != 0xFF)
-		{
-			return YAFFS_FAIL;
-		}
-	}
-
-	return YAFFS_OK;
-
-}
-
-int yflash_EraseBlockInNAND(struct yaffs_dev *dev, int blockNumber)
-{
-	
-	CheckInit(dev);
-	
-	if(blockNumber < 0 || blockNumber >= ramdisk.nBlocks)
-	{
-		T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
-		return YAFFS_FAIL;
-	}
-	else
-	{
-		memset(ramdisk.block[blockNumber],0xFF,sizeof(yflash_Block));
-		return YAFFS_OK;
-	}
-	
-}
-
-int yflash_MarkNANDBlockBad(struct yaffs_dev *dev, int block_no)
-{
-	return YAFFS_OK;
-	
-}
-int yflash_QueryNANDBlock(struct yaffs_dev *dev, int block_no, enum yaffs_block_state *state, int *seq_number)
-{
-	*state = YAFFS_BLOCK_STATE_EMPTY;
-	*seq_number = 0;
-}
-
-
-int yflash_InitialiseNAND(struct yaffs_dev *dev)
-{
-	return YAFFS_OK;
-}
-