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542 lines
22 KiB
542 lines
22 KiB
/*
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* $Log: V:/Flite/archives/TrueFFS5/Src/FLTL.C_V $
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*
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* Rev 1.19 Jan 23 2002 23:33:08 oris
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* Bug fix - converting NFTL format to INFTL, with bad EDC in BBT.
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* Changed DFORMAT_PRINT syntax.
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*
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* Rev 1.18 Jan 20 2002 20:28:32 oris
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* Removed quick mount flag check for NFTL (no longer relevant).
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* Removed warnings (DFORMAT_PRINT).
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*
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* Rev 1.17 Jan 17 2002 23:02:44 oris
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* Added check for NULL pointers for readBBT and socket record.
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* Added checkVolume and defragment routine initialization.
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* Placed readBBT under NO_READ_BBT_CODE compilation flag.
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* Added include for docbdk.h
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* Added flash record as a parameter to flMount / flFormat / flPremount routine.
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* Removed check of TL_SINGLE_FLOOR_FORMATTING flag in the flFormat routine.
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* Added check for 0xFFFF FFFF binary signature.
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*
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* Rev 1.16 Nov 20 2001 20:25:24 oris
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* Changed debug print to dformat debug print.
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*
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* Rev 1.15 Nov 16 2001 00:22:06 oris
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* Fix check43to50 routine.
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*
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* Rev 1.14 Nov 08 2001 10:49:38 oris
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* Added format converter from NFTL to INFTL for ALON controllers (mobile DiskOnChip) NO_NFTL_2_INFTL compilation flag
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* Bug fix - support for DiskOnChip with different number of blocks in the last floor.
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* Added erase operation of bad blocks in write BBT routine (helps plant bad blocks).
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*
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* Rev 1.13 Sep 15 2001 23:46:40 oris
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* Removed some debug printing.
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*
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* Rev 1.12 Jul 15 2001 20:45:04 oris
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* Changed DFORMAT_PRINT syntax to be similar to DEBUG_PRINT.
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*
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* Rev 1.11 Jul 13 2001 01:06:54 oris
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* Rewritten writeBBT portion of the preMount routine - several bugs were found.
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* Millennium Plus does not support write BBT routine.
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*
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* Rev 1.10 Jun 17 2001 08:18:26 oris
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* Place write bbt under FORMAT_VOLUME compilation flag.
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*
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* Rev 1.9 May 16 2001 21:35:04 oris
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* Bug fix - write BBT did not cover the entire media.
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*
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* Rev 1.8 May 02 2001 06:39:46 oris
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* Removed the lastUsableBlock variable.
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*
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* Rev 1.7 Apr 24 2001 17:08:38 oris
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* Rebuilt writeBBT routine.
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* Added check for uninitialized socket in the premount routine (releveant to windows OS).
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*
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* Rev 1.6 Apr 16 2001 13:47:44 oris
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* Removed warrnings.
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*
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* Rev 1.5 Apr 09 2001 15:09:56 oris
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* End with an empty line.
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*
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* Rev 1.4 Apr 01 2001 07:57:34 oris
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* copywrite notice.
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* Removed debug massage when calling a premount routine from a TL that does not support it.
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*
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* Rev 1.3 Feb 18 2001 12:07:58 oris
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* Bug fix in writeBBT irLength argument is accepted if it is diffrent then 0 and not equal.
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* Bug fix in format sanity check must be sure a BDTLPartitionInfo exits before checking it for protection.
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*
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* Rev 1.2 Feb 14 2001 01:55:12 oris
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* CountVolumes returns no of volumes in irFlags instead of irLength.
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* Added boundry argument to writeBBT.
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* Moved format varification from blockdev.c.
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*
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* Rev 1.1 Feb 12 2001 11:57:42 oris
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* WriteBBT was moved from blockdev.c.
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*
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* Rev 1.0 Feb 04 2001 12:07:30 oris
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* Initial revision.
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*
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*/
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/***********************************************************************************/
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/* M-Systems Confidential */
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/* Copyright (C) M-Systems Flash Disk Pioneers Ltd. 1995-2001 */
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/* All Rights Reserved */
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/***********************************************************************************/
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/* NOTICE OF M-SYSTEMS OEM */
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/* SOFTWARE LICENSE AGREEMENT */
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/* */
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/* THE USE OF THIS SOFTWARE IS GOVERNED BY A SEPARATE LICENSE */
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/* AGREEMENT BETWEEN THE OEM AND M-SYSTEMS. REFER TO THAT AGREEMENT */
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/* FOR THE SPECIFIC TERMS AND CONDITIONS OF USE, */
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/* OR CONTACT M-SYSTEMS FOR LICENSE ASSISTANCE: */
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/* E-MAIL = [email protected] */
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/***********************************************************************************/
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/* #include "flflash.h" */
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#include "fltl.h"
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#include "docbdk.h" /* Only for bdk signature size */
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int noOfTLs; /* No. of translation layers actually registered */
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TLentry tlTable[TLS];
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/*----------------------------------------------------------------------*/
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/* m a r k U n i t B a d */
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/* */
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/* Erase a unit and mark it as bad */
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/* */
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/* Parameters: */
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/* flash : Pointer to MTD record */
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/* badUnit : Bad unit number to mark as bad */
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/* */
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/* Returns: */
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/* FLStatus : flOK */
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/*----------------------------------------------------------------------*/
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FLStatus markUnitBad(FLFlash * flash, CardAddress badUnit)
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{
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static byte zeroes[2] = {0,0};
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dword offset;
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/* Mark the first page with 00. If the write operation
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fails try marking the following pages of the block */
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for (offset = 0 ; (offset < flash->erasableBlockSize) &&
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(flash->write(flash,(badUnit << flash->erasableBlockSizeBits)+offset,
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zeroes,sizeof(zeroes),0) != flOK);
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offset += flash->pageSize);
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/* Entire block can not be written to */
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if (offset == flash->erasableBlockSize)
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#ifndef NT5PORT
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DEBUG_PRINT(("Debug: Error failed marking unit as bad (address %ld).\n",badUnit));
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#else /*NT5PORT*/
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DEBUG_PRINT(("Debug: Error failed marking unit as bad (address).\n"));
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#endif /*NT5PORT*/
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return flOK;
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}
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#ifndef NO_NFTL_2_INFTL
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/*----------------------------------------------------------------------*/
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/* c h e c k 4 3 F o r m a t */
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/* */
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/* Checks DiskOnChip 2000 tsop was formated using TrueFFS 4.3. If so it */
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/* unformats the media. */
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/* */
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/* Note - The routine will not help DiskOnChip larger then DiskOnChip */
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/* 2000 tsop formated with TrueFFS 4.3. */
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/* */
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/* Note - How about erasing the media header last. */
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/* */
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/* Parameters: */
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/* flash : Pointer to MTD record */
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/* */
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/* Returns: */
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/* FLStatus : flOK */
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/* flDataError - DiskOnChip ALON was formated with 4.3 */
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/* but is not DiskOnChip 2000 tsop. */
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/*----------------------------------------------------------------------*/
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FLStatus check43Format(FLFlash *flash)
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{
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FLStatus status;
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byte FAR1* buf;
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/* If this is an alon */
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if (flash->mediaType != DOC2000TSOP_TYPE)
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return flOK;
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buf = (flBufferOf(flSocketNoOf(flash->socket))->flData);
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if(flash->readBBT == NULL)
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{
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DFORMAT_PRINT(("ERROR : MTD read BBT routine was not initialized\r\n"));
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return flFeatureNotSupported;
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}
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status = flash->readBBT(flash,0,1,0,buf,FALSE);
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if (status == flBadBBT)
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{
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dword mediaSize = ((dword)flash->noOfChips*flash->chipSize);
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dword blockSize = 1<<flash->erasableBlockSizeBits;
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dword addr = 0;
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dword offset;
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word mediaHeaderBlock; /* ANAND unit number */
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byte blocksPerUnit; /* Blocks per virtual unit */
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byte blockShift; /* Bits to shift from block to unit */
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CHECK_UNIT_WITH_ANAND:
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/* Either virgin or formated wih TrueFFS 4.3 */
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for( ; addr < mediaSize ; addr += blockSize)
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{
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checkStatus(flash->read(flash,addr,buf,5,0));
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if(tffscmp(buf,"ANAND",5) == 0)
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break;
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}
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if (addr == mediaSize) /* virgin card */
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return flOK;
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DFORMAT_PRINT(("This DiskOnChip was formated with an NFTL format.\r\n"));
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/* Calculate block multiplier bits */
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for (offset = addr + SECTOR_SIZE , status = flOK;
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(offset < addr + blockSize) && (status == flOK) ;
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offset += SECTOR_SIZE)
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{
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status = flash->read(flash,addr+offset,buf,512,EDC);
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}
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if(offset == addr + (SECTOR_SIZE<<1)) /* Bad EDC for NFTL unit header */
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{
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DFORMAT_PRINT(("ERROR - Unit with ANAND was found, but the BBT has bad EDC.\r\n"));
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goto CHECK_UNIT_WITH_ANAND; /* Keep searching */
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}
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offset = (offset - addr - (SECTOR_SIZE<<1)) << flash->erasableBlockSizeBits;
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for(blockShift = 0 ; offset < mediaSize ; blockShift++)
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{
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offset <<= 1;
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}
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blocksPerUnit = 1 << blockShift;
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mediaHeaderBlock = (word)(addr >> (flash->erasableBlockSizeBits + blockShift));
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DFORMAT_PRINT(("Please wait while unformating is in progress...\r\n"));
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/* Read and write 512 blocks of the BBT (start from the end) */
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for (offset = 0;
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offset < mediaSize>>(flash->erasableBlockSizeBits + blockShift);
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offset += SECTOR_SIZE)
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{
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word i;
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checkStatus(flash->read(flash,addr+offset+SECTOR_SIZE,buf,SECTOR_SIZE,EDC));
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for(i=0;i<SECTOR_SIZE;i++)
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{
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if (i+offset == mediaHeaderBlock)
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continue;
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if (buf[i]==BBT_BAD_UNIT) /* A bad block */
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{
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markUnitBad(flash , i+offset);
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}
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else /* A good block */
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{
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status = flash->erase(flash,(word)(i+offset),blocksPerUnit);
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if (status != flOK)
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markUnitBad(flash , i+offset);
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}
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}
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}
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status = flash->erase(flash,mediaHeaderBlock,blocksPerUnit);
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if (status != flOK)
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markUnitBad(flash , mediaHeaderBlock);
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DFORMAT_PRINT(("Unformating of DiskOnChip 2000 tsop complete.\r\n"));
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}
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return flOK;
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}
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#endif /* NO_NFTL_2_INFTL */
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/*----------------------------------------------------------------------*/
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/* f l P r e M o u n t */
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/* */
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/* Perform TL operation before the TL is mounted */
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/* */
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/* Notes for FL_COUNT_VOLUMES routine */
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/* ---------------------------------- */
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/* Note : The number of partitions returned is not neccarily the number */
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/* That can be accesses. protected partitions will need a key. */
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/* Note : TL that do not support several partitions will return 1 */
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/* unless the socket can not be mounted in which case 0 will be */
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/* returned. */
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/* */
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/* Parameters: */
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/* callType : The type of the operation (see blockdev.h) */
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/* ioreq : Input Output packet */
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/* ioreq.irHandle : handle discribing the socket and the partition */
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/* flash : Location where the flash media record can be */
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/* stored. Note that it is not yet initialized */
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/* */
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/* Returns: */
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/* FLStatus : 0 on success, failed otherwise */
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/*----------------------------------------------------------------------*/
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FLStatus flPreMount(FLFunctionNo callType, IOreq FAR2* ioreq , FLFlash * flash)
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{
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FLStatus layerStatus = flUnknownMedia;
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FLStatus callStatus;
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FLSocket *socket = flSocketOf(FL_GET_SOCKET_FROM_HANDLE(ioreq));
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int iTL;
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#ifdef NT5PORT
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if(socket->window.base == NULL){
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ioreq->irFlags = 1;
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return flOK;
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}
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#endif /*NT5PORT*/
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/* Patch for OS drivers that call flInit before socket is initialized */
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if (callType == FL_COUNT_VOLUMES)
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{
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if((socket == NULL) || (socket->window.base==NULL))
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{
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ioreq->irFlags = 1;
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return flOK;
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}
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}
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/* Identify flash medium and initlize flash record */
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callStatus = flIdentifyFlash(socket,flash);
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if (callStatus != flOK && callStatus != flUnknownMedia)
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return callStatus;
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/* Try sending call to the diffrent TLs */
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for (iTL = 0; (iTL < noOfTLs) && (layerStatus != flOK); iTL++)
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if (tlTable[iTL].preMountRoutine != NULL)
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layerStatus = tlTable[iTL].preMountRoutine(callType,ioreq, flash,&callStatus);
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if (layerStatus != flOK)
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{
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switch (callType)
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{
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case FL_COUNT_VOLUMES:
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ioreq->irFlags = 1;
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return flOK;
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#ifdef FORMAT_VOLUME
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case FL_WRITE_BBT:
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{
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CardAddress endUnit = ((dword)(flash->chipSize * flash->noOfChips) >> flash->erasableBlockSizeBits); /* Media size */
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CardAddress unitsPerFloor = endUnit/flash->noOfFloors;
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CardAddress iUnit;
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CardAddress bUnit = *((unsigned long FAR1 *) ioreq->irData)
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>> flash->erasableBlockSizeBits;
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word badBlockNo;
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/* In case the user has given a specific length use it
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instead of the entire media */
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if ((ioreq->irLength != 0) && ( endUnit >
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((dword)ioreq->irLength >> flash->erasableBlockSizeBits)))
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{
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endUnit = ioreq->irLength >> flash->erasableBlockSizeBits;
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}
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/* Millennium Plus DiskOnChip Family do not need a write bbt call */
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if ((flash->mediaType == MDOCP_TYPE ) ||
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(flash->mediaType == MDOCP_16_TYPE) )
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{
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DEBUG_PRINT(("DiskOnChip Millennium Plus has a H/W protected BBT.\r\n"));
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DEBUG_PRINT(("No need to erase the DiskOnChip. Simply reformat.\r\n"));
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return flFeatureNotSupported;
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}
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/* Erase entire media */
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for (iUnit = flash->firstUsableBlock ,badBlockNo = 0;
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iUnit < endUnit ;iUnit += ((iUnit+1) / unitsPerFloor) ?
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1 : flash->firstUsableBlock + 1)
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{
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#ifndef NT5PORT
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DFORMAT_PRINT(("Erasing unit number %ld\r",iUnit));
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#endif /*NT5PORT*/
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if (ioreq->irFlags > badBlockNo) /* There are additional bad blocks */
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{
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if (bUnit == iUnit)
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{
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badBlockNo++;
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bUnit = (*((CardAddress FAR1 *)flAddLongToFarPointer
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(ioreq->irData,badBlockNo*sizeof(CardAddress))))
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>> flash->erasableBlockSizeBits;
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flash->erase(flash,(word)iUnit,1);
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markUnitBad(flash,iUnit);
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continue;
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}
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}
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callStatus = flash->erase(flash,(word)iUnit,1);
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if (callStatus != flOK) /* Additional bad block was found */
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{
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#ifndef NT5PORT
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DFORMAT_PRINT(("Failed erasing unit in write BBT (unit no %lu).\r\n",iUnit));
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#endif/*NT5PORT*/
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markUnitBad(flash,iUnit);
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}
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}
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DEBUG_PRINT(("\nUnformat Complete \r\n"));
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return flOK;
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}
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#endif /* FORMAT_VOLUME */
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default : /* Protection routines */
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return flFeatureNotSupported;
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}
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}
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return callStatus;
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}
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/*----------------------------------------------------------------------*/
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/* f l M o u n t */
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/* */
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/* Mount a translation layer */
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/* */
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/* Parameters: */
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/* volNo : Volume no. */
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/* socketNo : The socket no */
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/* tl : Where to store translation layer methods */
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/* useFilters : Whether to use filter translation-layers */
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/* flash : Location where the flash media record can be */
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/* stored. Note that it is not yet initialized */
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/* */
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/* Returns: */
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/* FLStatus : 0 on success, failed otherwise */
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/*----------------------------------------------------------------------*/
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FLStatus flMount(unsigned volNo, unsigned socketNo,TL *tl,
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FLBoolean useFilters , FLFlash * flash)
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{
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FLFlash *volForCallback = NULL;
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FLSocket *socket = flSocketOf(socketNo);
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FLStatus status = flUnknownMedia;
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int iTL;
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FLStatus flashStatus = flIdentifyFlash(socket,flash);
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if (flashStatus != flOK && flashStatus != flUnknownMedia)
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return flashStatus;
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tl->recommendedClusterInfo = NULL;
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tl->writeMultiSector = NULL;
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tl->readSectors = NULL;
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#ifndef NO_READ_BBT_CODE
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tl->readBBT = NULL;
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#endif
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#if (defined(VERIFY_VOLUME) || defined(VERIFY_WRITE))
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tl->checkVolume = NULL;
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#endif /* VERIFY_VOLUME || VERIFY_WRITE */
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#ifdef DEFRAGMENT_VOLUME
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tl->defragment = NULL;
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#endif /* DEFRAGMENT */
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for (iTL = 0; (iTL < noOfTLs) && (status != flOK) && (status != flHWProtection); iTL++)
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if (tlTable[iTL].formatRoutine != NULL) /* not a block-device filter */
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status = tlTable[iTL].mountRoutine(volNo,tl,flashStatus == flOK ? flash : NULL,&volForCallback);
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if (status == flOK) {
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if (volForCallback)
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volForCallback->setPowerOnCallback(volForCallback);
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if (useFilters)
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for (iTL = 0; iTL < noOfTLs; iTL++)
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if (tlTable[iTL].formatRoutine == NULL) /* block-device filter */
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if (tlTable[iTL].mountRoutine(volNo,tl,NULL,NULL) == flOK)
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break;
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}
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return status;
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}
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#ifdef FORMAT_VOLUME
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/*----------------------------------------------------------------------*/
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/* f l F o r m a t */
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/* */
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/* Formats the Flash volume */
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/* */
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/* Parameters: */
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/* volNo : Physical drive no. */
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/* formatParams : Address of FormatParams structure to use */
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/* flash : Location where the flash media record can be */
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/* stored. Note that it is not yet initialized */
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/* */
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/* Returns: */
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/* FLStatus : 0 on success, failed otherwise */
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/*----------------------------------------------------------------------*/
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FLStatus flFormat(unsigned volNo, TLFormatParams * formatParams,
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FLFlash * flash)
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{
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BinaryPartitionFormatParams FAR1* partitionPtr;
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FLSocket * socket = flSocketOf(volNo);
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FLStatus status = flUnknownMedia;
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int iTL,partitionNo;
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FLStatus flashStatus = flIdentifyFlash(socket,flash);
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if (flashStatus != flOK && flashStatus != flUnknownMedia)
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return flashStatus;
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/* Validity check for formatParams */
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if (!(flash->flags & INFTL_ENABLED)) /* Flash does not support INFTL */
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{
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if ((formatParams->noOfBDTLPartitions > 1) ||
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#ifdef HW_PROTECTION
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((formatParams->BDTLPartitionInfo != NULL) &&
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|
(formatParams->BDTLPartitionInfo->protectionType & PROTECTABLE)) ||
|
|
((formatParams->noOfBinaryPartitions > 0)&&
|
|
(formatParams->binaryPartitionInfo->protectionType & PROTECTABLE)) ||
|
|
#endif /* HW_PROTECTION */
|
|
(formatParams->noOfBinaryPartitions > 1))
|
|
{
|
|
DEBUG_PRINT(("Debug: feature not supported by the TL.\r\n"));
|
|
return flFeatureNotSupported;
|
|
}
|
|
}
|
|
|
|
for(partitionNo = 0 , partitionPtr = formatParams->binaryPartitionInfo;
|
|
partitionNo < formatParams->noOfBinaryPartitions;
|
|
partitionNo++,partitionPtr++)
|
|
{
|
|
|
|
if(*((dword FAR1*)(partitionPtr->sign)) == 0xffffffffL)
|
|
{
|
|
DEBUG_PRINT(("Debug: can not use 'FFFF' signature for Binary partition\r\n"));
|
|
return flBadParameter;
|
|
}
|
|
}
|
|
|
|
/* Try each of the registered TL */
|
|
|
|
#ifndef NO_NFTL_2_INFTL
|
|
checkStatus(check43Format(flash));
|
|
#endif /* NO_NFTL_2_INFTL */
|
|
|
|
for (iTL = 0; iTL < noOfTLs && status == flUnknownMedia; iTL++)
|
|
if (tlTable[iTL].formatRoutine != NULL) /* not a block-device filter */
|
|
status = tlTable[iTL].formatRoutine(volNo,formatParams,flashStatus == flOK ? flash : NULL);
|
|
|
|
return status;
|
|
}
|
|
|
|
#endif
|
|
|
|
FLStatus noFormat (unsigned volNo, TLFormatParams * formatParams, FLFlash *flash)
|
|
{
|
|
return flOK;
|
|
}
|