/*
************************************************************************************************************************
* NAND FLASH LOGIC MANAGE LAYER BAD BLOCK MANAGE
*
*Description: Nand flash bad block manage.
*
*Arguments : pBadBlk the pointer to the bad physical block parameter;
* nZoneNum the number of the zone which the bad block belonged to;
* nErrPage the number of the error page;
* pNewBlk the pointer to the new valid block parameter.
*
*Return : bad block manage result;
* = 0 do bad block manage successful;
* = -1 do bad block manage failed.
************************************************************************************************************************
*/
__s32 LML_BadBlkManage(struct __SuperPhyBlkType_t *pBadBlk, __u32 nZoneNum, __u32 nErrPage, struct __SuperPhyBlkType_t *pNewBlk)
{
__s32 result;
struct __SuperPhyBlkType_t tmpFreeBlk;
struct __SuperPhyBlkType_t tmpBadBlk;
tmpBadBlk = *pBadBlk;
LOGICCTL_ERR("%s : %d : bad block manage go ,bad block: %x\n",__FUNCTION__,__LINE__,tmpBadBlk.PhyBlkNum);
__PROCESS_BAD_BLOCK:
if(pNewBlk)
{
//get a new free block to replace the bad block
BMM_GetFreeBlk(LOWEST_EC_TYPE, &tmpFreeBlk);
if(tmpFreeBlk.PhyBlkNum == 0xffff)
{
LOGICCTL_ERR("[LOGICCTL_ERR] Look for free block failed when replace bad block\n");
return -1;
}
//restore the valid page data from the bad block
if(nErrPage)
{
result = _RestorePageData(&tmpBadBlk, nZoneNum, nErrPage, &tmpFreeBlk);
if(result < 0)
{
//restore data failed, mark bad flag to the new free block
_MarkBadBlk(&tmpFreeBlk, nZoneNum);
goto __PROCESS_BAD_BLOCK;
}
}
*pNewBlk = tmpFreeBlk;
}
//write bad flag to the bad block
_MarkBadBlk(&tmpBadBlk, nZoneNum);
return 0;
}
/*
************************************************************************************************************************
* CREATE A NEW LOG BLOCK
*
*Description: Create a new log block.
*
*Arguments : nBlk the logical block number of the log block;
* pLogPst the pointer to the log block position in the log block table.
*
*Return : create new log block result.
* = 0 create new log block successful;
* =-1 create new log block failed.
************************************************************************************************************************
*/
static __s32 _CreateNewLogBlk(__u32 nBlk, __u32 *pLogPst)
{
__s32 i, result, LogBlkType,tmpPst=-1;
__u16 tmpLogAccessAge = 0xffff;
struct __SuperPhyBlkType_t tmpFreeBlk, tmpFreeBlk1;
struct __PhysicOpPara_t tmpPhyPage;
struct __NandUserData_t tmpSpare[2];
#if CFG_SUPPORT_WEAR_LEVELLING
//check if need do wear-levelling
if(BLK_ERASE_CNTER >= WEAR_LEVELLING_FREQUENCY)
{
LML_WearLevelling();
}
#endif
//try to search an empty item in the log block table
for(i=0; i<LOG_BLK_CNT_OF_ZONE; i++)
{
if(LOG_BLK_TBL[i].LogicBlkNum == 0xffff)
{
//find a empty item
tmpPst = i;
break;
}
}
//there is no empty item in the log block table, need merge a log block
if(tmpPst == -1)
{
//check if there is some full log block
for(i=0; i<LOG_BLK_CNT_OF_ZONE; i++)
{
if(LOG_BLK_TBL[i].LastUsedPage == PAGE_CNT_OF_SUPER_BLK-1)
{
tmpPst = i;
break;
}
}
if(tmpPst == -1)
{
//there is no full log block, look for an oldest log block to merge
for(i=0; i<LOG_BLK_CNT_OF_ZONE; i++)
{
if(LOG_ACCESS_AGE[i] < tmpLogAccessAge)
{
tmpLogAccessAge = LOG_ACCESS_AGE[i];
tmpPst = i;
}
}
}
//switch the page mapping table for merge the log block
result = PMM_SwitchMapTbl(tmpPst);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] Switch page mapping table failed when create new log block! Err:0x%x\n", result);
return -1;
}
//merge the log block with normal type, to make an empty item
result = LML_MergeLogBlk(NORMAL_MERGE_MODE, LOG_BLK_TBL[tmpPst].LogicBlkNum);
if(result < 0)
{
//merge log block failed, report error
MAPPING_ERR("[MAPPING_ERR] Merge log block failed when create new log block! Err:0x%x\n", result);
return -1;
}
}
LogBlkType = BMM_CalLogBlkType(nBlk);
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlkType == LSB_TYPE))
{
DBUG_MSG("[DBUG_MSG] _CreateNewLogBlk, select bak log block\n");
//get a free block to create a new log block
result = BMM_GetFreeBlk(LOWEST_EC_TYPE, &tmpFreeBlk);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] Get free block failed when create new log block!\n");
return -1;
}
//get a free block to create a new log block
result = BMM_GetFreeBlk(LOWEST_EC_TYPE, &tmpFreeBlk1);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] Get free block failed when create new log block!\n");
return -1;
}
//DBUG_INF("[DBUG] _CreateNewLogBlk, logic: %x, logblk0: %x, logblk1:%x \n", nBlk, tmpFreeBlk.PhyBlkNum, tmpFreeBlk1.PhyBlkNum);
//make a new log item in the log block table
LOG_BLK_TBL[tmpPst].LogicBlkNum = nBlk;
LOG_BLK_TBL[tmpPst].LastUsedPage = 0xffff;
LOG_BLK_TBL[tmpPst].LogBlkType = LogBlkType;
LOG_BLK_TBL[tmpPst].WriteBlkIndex = 0;
LOG_BLK_TBL[tmpPst].ReadBlkIndex = 0;
LOG_BLK_TBL[tmpPst].PhyBlk = tmpFreeBlk;
LOG_BLK_TBL[tmpPst].PhyBlk1 = tmpFreeBlk1;
//set the return vaule of the log position
*pLogPst = tmpPst;
}
else
{
//get a free block to create a new log block
result = BMM_GetFreeBlk(LOWEST_EC_TYPE, &tmpFreeBlk);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] Get free block failed when create new log block!\n");
return -1;
}
//make a new log item in the log block table
LOG_BLK_TBL[tmpPst].LogicBlkNum = nBlk;
LOG_BLK_TBL[tmpPst].LastUsedPage = 0xffff;
LOG_BLK_TBL[tmpPst].LogBlkType = LogBlkType;
LOG_BLK_TBL[tmpPst].WriteBlkIndex = 0;
LOG_BLK_TBL[tmpPst].ReadBlkIndex = 0;
LOG_BLK_TBL[tmpPst].PhyBlk = tmpFreeBlk;
//set the return vaule of the log position
*pLogPst = tmpPst;
}
__CHECK_LOGICAL_INFO_OF_DATA_BLOCK:
//check if the data block is an empty block, if so, need update the logic information in the spare area
LML_CalculatePhyOpPar(&tmpPhyPage, CUR_MAP_ZONE, DATA_BLK_TBL[nBlk].PhyBlkNum, 0);
tmpPhyPage.SectBitmap = 0x03;
tmpPhyPage.MDataPtr = LML_TEMP_BUF;
tmpPhyPage.SDataPtr = (void *)tmpSpare;
LML_VirtualPageRead(&tmpPhyPage);
if(tmpSpare[0].LogicInfo == 0xffff)
{
tmpSpare[0].BadBlkFlag = 0xff;
tmpSpare[1].BadBlkFlag = 0xff;
tmpSpare[0].LogicInfo = ((CUR_MAP_ZONE % ZONE_CNT_OF_DIE)<<10) | nBlk;
tmpSpare[1].LogicInfo = ((CUR_MAP_ZONE % ZONE_CNT_OF_DIE)<<10) | nBlk;
tmpSpare[0].LogicPageNum = 0xffff;
tmpSpare[1].LogicPageNum = 0xffff;
tmpSpare[0].PageStatus = 0xff;
tmpSpare[1].PageStatus = 0xff;
//write the logical information to the spare area of the data block
tmpPhyPage.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
result = LML_VirtualPageWrite(&tmpPhyPage);
if(result < 0)
{
LOGICCTL_ERR("[MAPPING_ERR] Physical write module failed when write logical information, Err:0x%x!\n", result);
return -1;
}
result = PHY_SynchBank(tmpPhyPage.BankNum, SYNC_CHIP_MODE);
if(result < 0)
{
//the last write operation on current bank is failed, the block is bad, need proccess it
LOGICCTL_DBG("[LOGICCTL_DBG] Find a bad block when write logical page! bank:0x%x, block:0x%x, page:0x%x\n",
tmpPhyPage.BankNum, tmpPhyPage.BlkNum, tmpPhyPage.PageNum);
//process the bad block
result = LML_BadBlkManage(&DATA_BLK_TBL[nBlk], CUR_MAP_ZONE, 0, &tmpFreeBlk);
if(result < 0)
{
LOGICCTL_ERR("[MAPPING_ERR] Bad block process failed when create new log block, Err:0x%x!\n", result);
return -1;
}
DATA_BLK_TBL[nBlk] = tmpFreeBlk;
goto __CHECK_LOGICAL_INFO_OF_DATA_BLOCK;
}
}
return 0;
}
/*
************************************************************************************************************************
* GET PARAMETER OF LOG BLOCK
*
*Description: Get parameter of log block.
*
*Arguments : nLogicBlk the logical block number which the log block is belonged to;
* pLogBlk the pointer to the log block item for return;
*
*Return : get log block result;
* = 0 get log block successful;
* =-1 get log block failed.
*
*Note : Scan the log block table which is accessing in the buffer currently,
* to look for the log block, if the log block is exsit, return 0,
* else, return -1
************************************************************************************************************************
*/
__s32 BMM_GetLogBlk(__u32 nLogicBlk, struct __LogBlkType_t *pLogBlk)
{
__s32 tmpLogPst, result;
struct __SuperPhyBlkType_t tmpFreeBlk1;
__u32 LogBlkType;
tmpLogPst = _GetLogBlkPst(nLogicBlk);
if(tmpLogPst < 0)
{
//if the logic block number is invalid, report error
if(nLogicBlk > DATA_BLK_CNT_OF_ZONE)
{
MAPPING_ERR("[MAPPING_ERR] Logical block number(0x%x) is invalid when get log block!\n", nLogicBlk);
}
if(pLogBlk != NULL)
{
pLogBlk->LogicBlkNum = 0xffff;
pLogBlk->LastUsedPage = 0xffff;
pLogBlk->LogBlkType = 0;
pLogBlk->ReadBlkIndex = 0;
pLogBlk->WriteBlkIndex = 0;
pLogBlk->PhyBlk.PhyBlkNum = 0xffff;
pLogBlk->PhyBlk.BlkEraseCnt = 0xffff;
pLogBlk->PhyBlk1.PhyBlkNum = 0xffff;
pLogBlk->PhyBlk1.BlkEraseCnt = 0xffff;
pLogBlk->PhyBlk2.PhyBlkNum = 0xffff;
pLogBlk->PhyBlk2.BlkEraseCnt = 0xffff;
}
return -1;
}
else
{
if(pLogBlk != NULL)
{
if(SUPPORT_LOG_BLOCK_MANAGE)
{
LogBlkType = BMM_CalLogBlkType(nLogicBlk);
if(LOG_BLK_TBL[tmpLogPst].LogBlkType == 0xffff)
{
PRINT("[DBUG] find a log table item with valid log block type!\n");
LOG_BLK_TBL[tmpLogPst].LogBlkType = 0;
LOG_BLK_TBL[tmpLogPst].WriteBlkIndex = 0;
LOG_BLK_TBL[tmpLogPst].ReadBlkIndex = 0;
}
//check log type for debug
if(LOG_BLK_TBL[tmpLogPst].LogBlkType != LogBlkType)
{
PRINT("[DBUG] LogBlkTye mismatch: 0x%x, 0x%x\n",LOG_BLK_TBL[tmpLogPst].LogBlkType, LogBlkType);
if((LOG_BLK_TBL[tmpLogPst].LogBlkType == NORMAL_TYPE)&&(LogBlkType == LSB_TYPE))
{
//get a free block to create a new log block
result = BMM_GetFreeBlk(LOWEST_EC_TYPE, &tmpFreeBlk1);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] Get free block failed when create new log block!\n");
return -1;
}
//make a new log item in the log block table
LOG_BLK_TBL[tmpLogPst].LogBlkType = LogBlkType;
LOG_BLK_TBL[tmpLogPst].WriteBlkIndex = 0;
LOG_BLK_TBL[tmpLogPst].ReadBlkIndex = 0;
LOG_BLK_TBL[tmpLogPst].PhyBlk1.PhyBlkNum = tmpFreeBlk1.PhyBlkNum;
LOG_BLK_TBL[tmpLogPst].PhyBlk1.BlkEraseCnt = tmpFreeBlk1.BlkEraseCnt;
*pLogBlk = LOG_BLK_TBL[tmpLogPst];
}
}
else
{
*pLogBlk = LOG_BLK_TBL[tmpLogPst];
}
}
else
{
*pLogBlk = LOG_BLK_TBL[tmpLogPst];
}
}
}
return 0;
}
/*
************************************************************************************************************************
* NAND FLASH LOGIC MANAGE LAYER WEAR-LEVELLING
*
*Description: Equate the erase cycles among all physical blocks.
*
*Arguments : none
*
*Return : do wear-levelling result;
* = 0 do wear-levelling successful;
* = -1 do wear-levelling failed.
*
*Notes : The erase cycle of a physical block is limited, if the erase cycle overun this
* limit, the physical block may be invalid. so a policy is needed to equate the
* millions of erase cycles to ervery physical block.
************************************************************************************************************************
*/
__s32 LML_WearLevelling(void)
{
#if CFG_SUPPORT_WEAR_LEVELLING
__s32 i, result;
__u32 tmpLogicBlk;
__u16 tmpLowEc = 0xffff;
struct __SuperPhyBlkType_t tmpFreeBlk, tmpDataBlk;
struct __NandUserData_t tmpSpare[2];
struct __PhysicOpPara_t tmpSrcPage, tmpDstPage;
BLK_ERASE_CNTER = 0;
//scan the data block table, to look for a physical block with lowest erase count
for(i=DATA_BLK_CNT_OF_ZONE-1; i>=0; i--)
{
if(DATA_BLK_TBL[i].BlkEraseCnt < tmpLowEc)
{
tmpLowEc = DATA_BLK_TBL[i].BlkEraseCnt;
tmpLogicBlk = i;
}
}
//get a free block which has the highest erase count
result = BMM_GetFreeBlk(HIGHEST_EC_TYPE, &tmpFreeBlk);
if(result < 0)
{
LOGICCTL_ERR("[LOGICCTL_ERR] Get free block failed when do wear-levelling!\n");
return -1;
}
//clear the block erase counter
BLK_ERASE_CNTER = 0;
if(tmpLowEc >= tmpFreeBlk.BlkEraseCnt)
{
if(tmpLowEc == 0xffff)
{
//the lowest erase count reach the highest value, clear erase count of all physical block
for(i=0; i<DATA_BLK_CNT_OF_ZONE; i++)
{
//clear the erase count for the data block
DATA_BLK_TBL[i].BlkEraseCnt = 0x00;
}
for(i=0; i<FREE_BLK_CNT_OF_ZONE; i++)
{
//clear the erase count for the free block
if(FREE_BLK_TBL[i].PhyBlkNum != 0xffff)
{
FREE_BLK_TBL[i].BlkEraseCnt = 0x00;
}
}
for(i=0; i<MAX_LOG_BLK_CNT; i++)
{
//clear the erase count for the log block
if(LOG_BLK_TBL[i].LogicBlkNum != 0xffff)
{
LOG_BLK_TBL[i].PhyBlk.BlkEraseCnt = 0x00;
}
}
}
BMM_SetFreeBlk(&tmpFreeBlk);
return 0;
}
BMM_GetDataBlk(tmpLogicBlk, &tmpDataBlk);
result = BMM_GetLogBlk(tmpLogicBlk, NULL);
if(result < 0)
{
//check if the data block is empty
LML_CalculatePhyOpPar(&tmpSrcPage, CUR_MAP_ZONE, tmpDataBlk.PhyBlkNum, 0);
tmpSrcPage.SectBitmap = 0x03;
tmpSrcPage.MDataPtr = LML_TEMP_BUF;
tmpSrcPage.SDataPtr = (void *)tmpSpare;
LML_VirtualPageRead(&tmpSrcPage);
if(tmpSpare[0].LogicInfo != 0xffff)
{
//need copy data from the data block to the free block
tmpSrcPage.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
tmpSrcPage.MDataPtr = NULL;
tmpSrcPage.SDataPtr = NULL;
tmpDstPage.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
tmpDstPage.MDataPtr = NULL;
tmpDstPage.SDataPtr = NULL;
for(i=0; i<PAGE_CNT_OF_SUPER_BLK; i++)
{
LML_CalculatePhyOpPar(&tmpSrcPage, CUR_MAP_ZONE, tmpDataBlk.PhyBlkNum, i);
LML_CalculatePhyOpPar(&tmpDstPage, CUR_MAP_ZONE, tmpFreeBlk.PhyBlkNum, i);
PHY_PageCopyback(&tmpSrcPage, &tmpDstPage);
//check page copy result
result = PHY_SynchBank(tmpDstPage.BankNum, SYNC_CHIP_MODE);
if(result < 0)
{
LOGICCTL_DBG("[LOGICCTL_DBG] Copy page failed when doing wear-levelling!\n");
result = LML_BadBlkManage(&tmpFreeBlk, CUR_MAP_ZONE, 0, NULL);
if(result < 0)
{
LOGICCTL_ERR("[LOGICCTL_ERR] Bad block manage failed when doing wear-levelling!\n");
return -1;
}
return 0;
}
}
}
//set the data block item by the free block
BMM_SetDataBlk(tmpLogicBlk, &tmpFreeBlk);
if(tmpSpare[0].LogicInfo != 0xffff)
{
//erase the data block to a new free block
result = LML_VirtualBlkErase(CUR_MAP_ZONE, tmpDataBlk.PhyBlkNum);
if(result < 0)
{
LOGICCTL_DBG("[LOGICCTL_DBG] Erase super block failed when doing wear-levelling!\n");
result = LML_BadBlkManage(&tmpDataBlk, CUR_MAP_ZONE, 0, NULL);
if(result < 0)
{
LOGICCTL_ERR("[LOGICCTL_ERR] Bad block manage failed when doing wear-levelling!\n");
return -1;
}
return 0;
}
}
//set the the data block to free block table
tmpDataBlk.BlkEraseCnt++;
BMM_SetFreeBlk(&tmpDataBlk);
}
else
{
//set the free block back to free table
BMM_SetFreeBlk(&tmpFreeBlk);
}
#endif
return 0;
}
/*!
*
* \par Description:
* This function copy valuable data from log block or dat block to free block, change free to data ,change
* data and log to free.
*
* \param [in] LogNum,serial number within log block space
* \return sucess or failed.
* \note this function was called when log block is not suit for swap or move.
**/
__s32 _free2data_simple_merge(__u32 nlogical)
{
__u8 InData;
__u16 SuperPage;
__u16 SrcPage,DstPage;
__u32 SrcBlk,DstBlk;
struct __SuperPhyBlkType_t DataBlk;
struct __SuperPhyBlkType_t FreeBlk;
struct __LogBlkType_t LogBlk;
struct __PhysicOpPara_t SrcParam,DstParam;
/*init block info*/
BMM_GetDataBlk(nlogical,&DataBlk);
BMM_GetLogBlk(nlogical,&LogBlk);
if (NAND_OP_TRUE != BMM_GetFreeBlk(LOWEST_EC_TYPE, &FreeBlk))
return NAND_OP_FALSE;
/*copy data from data block or log block to free block*/
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
{
//DBUG_INF("[DBUG] nand lsb type simple merge block %x\n", nlogical);
for (SuperPage = 0; SuperPage < PAGE_CNT_OF_LOGIC_BLK; SuperPage++)
{
/*set source address and destination address*/
DstPage = SuperPage;
DstBlk = FreeBlk.PhyBlkNum;
SrcPage = PMM_GetCurMapPage(SuperPage);
InData = (SrcPage == 0xffff)?1 : 0;
if(InData)
{
SrcBlk = DataBlk.PhyBlkNum;
}
else
{
if(SrcPage&(0x1<<15))
SrcBlk = LogBlk.PhyBlk1.PhyBlkNum;
else
SrcBlk = LogBlk.PhyBlk.PhyBlkNum;
}
SrcPage = InData?SuperPage:(SrcPage&0x7fff);
LML_CalculatePhyOpPar(&SrcParam, CUR_MAP_ZONE,SrcBlk, SrcPage);
LML_CalculatePhyOpPar(&DstParam, CUR_MAP_ZONE,DstBlk, DstPage);
if (DstPage == 0)
{
__u8 SeqPlus;
//SeqPlus = InData?1:0;
SeqPlus = InData?2:1;
if(NAND_OP_FALSE == _copy_page0(SrcBlk, SrcPage, DstBlk,SeqPlus))
{
LOGICCTL_ERR("simple_merge : copy page 0 err\n");
return NAND_OP_FALSE;
}
}
else
{
if(NAND_OP_TRUE != PHY_PageCopyback(&SrcParam,&DstParam))
{
LOGICCTL_ERR("simple merge : copy back err\n");
return NAND_OP_FALSE;
}
}
if(NAND_OP_TRUE != PHY_SynchBank(DstParam.BankNum, SYNC_BANK_MODE))
{
struct __SuperPhyBlkType_t SubBlk;
if(NAND_OP_TRUE != LML_BadBlkManage(&FreeBlk,CUR_MAP_ZONE,DstPage, &SubBlk))
{
LOGICCTL_ERR("simgple merge : bad block manage err after copy back\n");
return NAND_OP_FALSE;
}
FreeBlk = SubBlk;
SuperPage -= 1;
}
}
/*move free block to data block*/
BMM_SetDataBlk(nlogical, &FreeBlk);
/*move erased data block to free block*/
if ( NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, DataBlk.PhyBlkNum)){
if (NAND_OP_TRUE != LML_BadBlkManage(&DataBlk,CUR_MAP_ZONE,0,NULL)){
LOGICCTL_ERR("swap merge : bad block manage err erase data block\n");
return NAND_OP_FALSE;
}
}
/*move erased data block to free block*/
if (DataBlk.BlkEraseCnt < 0xffff)
DataBlk.BlkEraseCnt ++;
BMM_SetFreeBlk(&DataBlk);
//DBUG_INF("[DBUG] logic %x simple merge: erase data block: %x\n", LogBlk.LogicBlkNum, DataBlk.PhyBlkNum);
/*move erased log block to free block*/
if ( NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, LogBlk.PhyBlk.PhyBlkNum)){
if (NAND_OP_TRUE != LML_BadBlkManage(&LogBlk.PhyBlk,CUR_MAP_ZONE,0,NULL)){
LOGICCTL_ERR("simple merge : bad block manage err after erase log block\n");
return NAND_OP_FALSE;
}
}
if (LogBlk.PhyBlk.BlkEraseCnt < 0xffff)
LogBlk.PhyBlk.BlkEraseCnt ++;
BMM_SetFreeBlk(&LogBlk.PhyBlk);
//DBUG_INF("[DBUG] logic %x simple merge: erase log block 0: %x\n", LogBlk.LogicBlkNum, LogBlk.PhyBlk.PhyBlkNum);
/*move erased log block to free block*/
if ( NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, LogBlk.PhyBlk1.PhyBlkNum)){
if (NAND_OP_TRUE != LML_BadBlkManage(&LogBlk.PhyBlk1,CUR_MAP_ZONE,0,NULL)){
LOGICCTL_ERR("simple merge : bad block manage err after erase log block\n");
return NAND_OP_FALSE;
}
}
if (LogBlk.PhyBlk1.BlkEraseCnt < 0xffff)
LogBlk.PhyBlk1.BlkEraseCnt ++;
BMM_SetFreeBlk(&LogBlk.PhyBlk1);
//DBUG_INF("[DBUG] logic %x simple merge: erase log block 1: %x\n", LogBlk.LogicBlkNum, LogBlk.PhyBlk1.PhyBlkNum);
MEMSET(&LogBlk, 0xff, sizeof(struct __LogBlkType_t));
LogBlk.LogBlkType = 0;
LogBlk.WriteBlkIndex = 0;
LogBlk.ReadBlkIndex = 0;
BMM_SetLogBlk(nlogical, &LogBlk);
/*clear page map table*/
PMM_ClearCurMapTbl();
}
else
{
for (SuperPage = 0; SuperPage < PAGE_CNT_OF_LOGIC_BLK; SuperPage++)
{
/*set source address and destination address*/
DstPage = SuperPage;
DstBlk = FreeBlk.PhyBlkNum;
SrcPage = PMM_GetCurMapPage(SuperPage);
InData = (SrcPage == 0xffff)?1 : 0;
SrcBlk = InData?DataBlk.PhyBlkNum : LogBlk.PhyBlk.PhyBlkNum;
SrcPage = InData?SuperPage:SrcPage;
LML_CalculatePhyOpPar(&SrcParam, CUR_MAP_ZONE,SrcBlk, SrcPage);
LML_CalculatePhyOpPar(&DstParam, CUR_MAP_ZONE,DstBlk, DstPage);
if (DstPage == 0)
{
__u8 SeqPlus;
//SeqPlus = InData?1:0;
SeqPlus = InData?2:1;
if(NAND_OP_FALSE == _copy_page0(SrcBlk, SrcPage, DstBlk,SeqPlus))
{
LOGICCTL_ERR("simple_merge : copy page 0 err\n");
return NAND_OP_FALSE;
}
}
else
{
if(NAND_OP_TRUE != PHY_PageCopyback(&SrcParam,&DstParam))
{
LOGICCTL_ERR("simple merge : copy back err\n");
return NAND_OP_FALSE;
}
}
if(NAND_OP_TRUE != PHY_SynchBank(DstParam.BankNum, SYNC_BANK_MODE))
{
struct __SuperPhyBlkType_t SubBlk;
if(NAND_OP_TRUE != LML_BadBlkManage(&FreeBlk,CUR_MAP_ZONE,DstPage, &SubBlk))
{
LOGICCTL_ERR("simgple merge : bad block manage err after copy back\n");
return NAND_OP_FALSE;
}
FreeBlk = SubBlk;
SuperPage -= 1;
}
}
/*move free block to data block*/
BMM_SetDataBlk(nlogical, &FreeBlk);
/*move erased data block to free block*/
if ( NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, DataBlk.PhyBlkNum)){
if (NAND_OP_TRUE != LML_BadBlkManage(&DataBlk,CUR_MAP_ZONE,0,NULL)){
LOGICCTL_ERR("swap merge : bad block manage err erase data block\n");
return NAND_OP_FALSE;
}
}
/*move erased data block to free block*/
if (DataBlk.BlkEraseCnt < 0xffff)
DataBlk.BlkEraseCnt ++;
BMM_SetFreeBlk(&DataBlk);
/*move erased log block to free block*/
if ( NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, LogBlk.PhyBlk.PhyBlkNum)){
if (NAND_OP_TRUE != LML_BadBlkManage(&LogBlk.PhyBlk,CUR_MAP_ZONE,0,NULL)){
LOGICCTL_ERR("move merge : bad block manage err after erase log block\n");
return NAND_OP_FALSE;
}
}
if (LogBlk.PhyBlk.BlkEraseCnt < 0xffff)
LogBlk.PhyBlk.BlkEraseCnt ++;
BMM_SetFreeBlk(&LogBlk.PhyBlk);
MEMSET(&LogBlk, 0xff, sizeof(struct __LogBlkType_t));
LogBlk.LogBlkType = 0;
LogBlk.WriteBlkIndex = 0;
LogBlk.ReadBlkIndex = 0;
BMM_SetLogBlk(nlogical, &LogBlk);
/*clear page map table*/
PMM_ClearCurMapTbl();
}
return NAND_OP_TRUE;
}
/*!
*
* \par Description:
* This function move valuable data from log block to free block,then replace them.
*
* \param [in] LogNum,serial number within log block space
* \return sucess or failed.
* \note this function was called when log block is full, and valid pages is less than half of one block.
**/
__s32 _free2log_move_merge(__u32 nlogical)
{
__u8 bank;
__u16 LastUsedPage,SuperPage;
__u16 SrcPage,DstPage, SrcBlock, DstBlock;
struct __SuperPhyBlkType_t FreeBlk,FreeBlk1;
struct __LogBlkType_t LogBlk;
struct __PhysicOpPara_t SrcParam,DstParam;
struct __NandUserData_t UserData[2];
/*init info of log block , and get one free block */
BMM_GetLogBlk(nlogical, &LogBlk);
if (NAND_OP_TRUE != BMM_GetFreeBlk(LOWEST_EC_TYPE, &FreeBlk))
return NAND_OP_FALSE;
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
{
if (NAND_OP_TRUE != BMM_GetFreeBlk(LOWEST_EC_TYPE, &FreeBlk1))
return NAND_OP_FALSE;
//DBUG_INF("[DBUG] lsb move merge, new log0: %x, new log1: %x\n", FreeBlk.PhyBlkNum, FreeBlk1.PhyBlkNum);
}
SrcParam.MDataPtr = DstParam.MDataPtr = NULL;
SrcParam.SDataPtr = DstParam.SDataPtr = NULL;
SrcParam.SectBitmap = DstParam.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
if(SUPPORT_ALIGN_NAND_BNK)
{
redo:
/*copy data bank by bank, for copy-back using*/
LastUsedPage = 0;
for (bank = 0; bank < INTERLEAVE_BANK_CNT; bank++)
{
DstPage = bank;
for (SuperPage = bank; SuperPage < PAGE_CNT_OF_SUPER_BLK; SuperPage+= INTERLEAVE_BANK_CNT)
{
SrcPage = PMM_GetCurMapPage(SuperPage);
if (SrcPage != 0xffff)
{
/*set source and destinate address*/
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
{
DBUG_MSG("[DBUG_MSG] _free2log_move_merge 2, select bak log block\n");
DstPage = PMM_CalNextLogPage(DstPage);
while((DstPage%INTERLEAVE_BANK_CNT)!=bank)
{
DstPage++;
DstPage = PMM_CalNextLogPage(DstPage);
if(DstPage>=PAGE_CNT_OF_SUPER_BLK)
break;
}
if(DstPage >= PAGE_CNT_OF_SUPER_BLK)
{
LOGICCTL_ERR("move merge : dst page cal error\n");
return NAND_OP_FALSE;
}
if(SrcPage&(0x1<<15))
SrcBlock = LogBlk.PhyBlk1.PhyBlkNum;
else
SrcBlock = LogBlk.PhyBlk.PhyBlkNum;
DstBlock = FreeBlk.PhyBlkNum;
SrcPage &= (~(0x1<<15));
}
else
{
SrcBlock = LogBlk.PhyBlk.PhyBlkNum;
DstBlock = FreeBlk.PhyBlkNum;
}
LML_CalculatePhyOpPar(&SrcParam,CUR_MAP_ZONE, SrcBlock, SrcPage);
LML_CalculatePhyOpPar(&DstParam,CUR_MAP_ZONE, DstBlock, DstPage);
if (DstPage == 0)
{
if ( NAND_OP_FALSE == _copy_page0(SrcBlock,SrcPage,FreeBlk.PhyBlkNum,0))
{
LOGICCTL_ERR("move merge : copy page 0 err1\n");
return NAND_OP_FALSE;
}
}
else
{
if (NAND_OP_TRUE != PHY_PageCopyback(&SrcParam,&DstParam))
{
LOGICCTL_ERR("move merge : copy back err\n");
return NAND_OP_FALSE;
}
}
if (NAND_OP_TRUE != PHY_SynchBank(DstParam.BankNum, SYNC_BANK_MODE))
{
struct __SuperPhyBlkType_t SubBlk;
if (NAND_OP_TRUE != LML_BadBlkManage(&FreeBlk,CUR_MAP_ZONE,0,&SubBlk))
{
LOGICCTL_ERR("move merge : bad block manage err after copy back\n");
return NAND_OP_FALSE;
}
FreeBlk = SubBlk;
goto redo;
}
PMM_SetCurMapPage(SuperPage,DstPage);
DstPage += INTERLEAVE_BANK_CNT;
}
}
/*if bank 0 is empty, need write mange info in page 0*/
if ((bank == 0) && (DstPage == 0))
{
if ( NAND_OP_FALSE == _copy_page0(LogBlk.PhyBlk.PhyBlkNum,0,FreeBlk.PhyBlkNum,0))
{
LOGICCTL_ERR("move merge : copy page 0 err2\n");
return NAND_OP_FALSE;
}
LML_CalculatePhyOpPar(&DstParam, CUR_MAP_ZONE, FreeBlk.PhyBlkNum, 0);
if (NAND_OP_TRUE != PHY_SynchBank(DstParam.BankNum, SYNC_BANK_MODE))
{
struct __SuperPhyBlkType_t SubBlk;
if (NAND_OP_TRUE != LML_BadBlkManage(&FreeBlk,CUR_MAP_ZONE,0,&SubBlk))
{
LOGICCTL_ERR("move merge : bad block manage err after copy back\n");
return NAND_OP_FALSE;
}
FreeBlk = SubBlk;
goto redo;
}
}
/*reset LastUsedPage*/
if ((DstPage - INTERLEAVE_BANK_CNT) > LastUsedPage)
{
LastUsedPage = DstPage - INTERLEAVE_BANK_CNT;
}
}
}
else
{
/*copy data page by page*/
DstPage = 0;
LastUsedPage = 0;
for (SuperPage = 0; SuperPage < PAGE_CNT_OF_LOGIC_BLK; SuperPage++)
{
SrcPage = PMM_GetCurMapPage(SuperPage);
if (SrcPage != 0xffff)
{
/*set source and destinate address*/
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
{
DBUG_MSG("[DBUG_MSG] _free2log_move_merge 3, select bak log block\n");
DstPage = PMM_CalNextLogPage(DstPage);
if(DstPage >= PAGE_CNT_OF_SUPER_BLK)
{
LOGICCTL_ERR("move merge : dst page cal error\n");
return NAND_OP_FALSE;
}
if(SrcPage&(0x1<<15))
SrcBlock = LogBlk.PhyBlk1.PhyBlkNum;
else
SrcBlock = LogBlk.PhyBlk.PhyBlkNum;
DstBlock = FreeBlk.PhyBlkNum;
SrcPage &= 0x7fff;
}
else
{
SrcBlock = LogBlk.PhyBlk.PhyBlkNum;
DstBlock = FreeBlk.PhyBlkNum;
}
LML_CalculatePhyOpPar(&SrcParam,CUR_MAP_ZONE, SrcBlock, SrcPage);
LML_CalculatePhyOpPar(&DstParam,CUR_MAP_ZONE, DstBlock, DstPage);
if (0 == DstPage)
{
if ( NAND_OP_FALSE == _copy_page0(SrcBlock,SrcPage,FreeBlk.PhyBlkNum,0))
{
LOGICCTL_ERR("move merge : copy page 0 err1\n");
return NAND_OP_FALSE;
}
}
else
{
SrcParam.MDataPtr = DstParam.MDataPtr = LML_TEMP_BUF;
SrcParam.SDataPtr = DstParam.SDataPtr = (void *)&UserData;
MEMSET((void *)&UserData,0xff,sizeof(struct __NandUserData_t) * 2);
SrcParam.SectBitmap = DstParam.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
if (LML_VirtualPageRead(&SrcParam) < 0){
LOGICCTL_ERR("move merge : read main data err\n");
return NAND_OP_FALSE;
}
if (NAND_OP_TRUE != LML_VirtualPageWrite(&DstParam)){
LOGICCTL_ERR("move merge : write err\n");
return NAND_OP_FALSE;
}
}
if (NAND_OP_TRUE != PHY_SynchBank(DstParam.BankNum, SYNC_BANK_MODE))
{
struct __SuperPhyBlkType_t SubBlk;
if (NAND_OP_TRUE != LML_BadBlkManage(&FreeBlk,CUR_MAP_ZONE,LastUsedPage,&SubBlk))
{
LOGICCTL_ERR("move merge : bad block manage err after copy back\n");
return NAND_OP_FALSE;
}
FreeBlk = SubBlk;
SuperPage -= 1;
}
PMM_SetCurMapPage(SuperPage,DstPage);
LastUsedPage = DstPage;
DstPage++;
}
}
}
/*erase log block*/
if(NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, LogBlk.PhyBlk.PhyBlkNum))
{
if(NAND_OP_TRUE != LML_BadBlkManage(&LogBlk.PhyBlk,CUR_MAP_ZONE,0,NULL))
{
LOGICCTL_ERR("move merge : bad block manage err after erase log block\n");
return NAND_OP_FALSE;
}
}
/*move erased log block to free block*/
if(LogBlk.PhyBlk.BlkEraseCnt < 0xffff)
{
LogBlk.PhyBlk.BlkEraseCnt ++;
}
BMM_SetFreeBlk(&LogBlk.PhyBlk);
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
{
//DBUG_INF("[DBUG] logic %x move merge: erase log block 0: %x\n", LogBlk.LogicBlkNum, LogBlk.PhyBlk.PhyBlkNum);
if(NAND_OP_TRUE != LML_VirtualBlkErase(CUR_MAP_ZONE, LogBlk.PhyBlk1.PhyBlkNum))
{
if(NAND_OP_TRUE != LML_BadBlkManage(&LogBlk.PhyBlk1,CUR_MAP_ZONE,0,NULL))
{
LOGICCTL_ERR("move merge : bad block manage err after erase log block\n");
return NAND_OP_FALSE;
}
}
/*move erased log block to free block*/
if(LogBlk.PhyBlk1.BlkEraseCnt < 0xffff)
{
LogBlk.PhyBlk1.BlkEraseCnt ++;
}
BMM_SetFreeBlk(&LogBlk.PhyBlk1);
//DBUG_INF("[DBUG] logic %x move merge: erase log block 1: %x\n", LogBlk.LogicBlkNum, LogBlk.PhyBlk1.PhyBlkNum);
}
/*move free block to log block*/
LogBlk.PhyBlk.PhyBlkNum= FreeBlk.PhyBlkNum;
LogBlk.PhyBlk.BlkEraseCnt= FreeBlk.BlkEraseCnt;
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
{
DBUG_MSG("[DBUG_MSG] _free2log_move_merge 4, select bak log block\n");
LogBlk.PhyBlk1.PhyBlkNum= FreeBlk1.PhyBlkNum;
LogBlk.PhyBlk1.BlkEraseCnt= FreeBlk1.BlkEraseCnt;
LogBlk.WriteBlkIndex = 0;
LogBlk.ReadBlkIndex = 0;
DBUG_MSG("[DBUG] move merge to new log block, logic block: %x, logblock0: %x, logblock1: %x\n", LogBlk.LogicBlkNum, LogBlk.PhyBlk.PhyBlkNum, LogBlk.PhyBlk1.PhyBlkNum);
}
else
{
LogBlk.LogBlkType = 0;
LogBlk.WriteBlkIndex = 0;
LogBlk.ReadBlkIndex = 0;
}
LogBlk.LastUsedPage = LastUsedPage;
BMM_SetLogBlk(nlogical, &LogBlk);
//if((SUPPORT_LOG_BLOCK_MANAGE)&&(LogBlk.LogBlkType == LSB_TYPE))
// DBUG_INF("logic %x move merge, lastusedpage: %x\n", LogBlk.LogicBlkNum, LogBlk.LastUsedPage);
return NAND_OP_TRUE;
}
