__s32 BMM_MergeAllLogBlock(void)
{
__u32 tmpZoneNum, ZoneCnt, tmpLogPos;
__s32 result;
ZoneCnt = ZONE_CNT_OF_DIE * DieCntOfNand;
PRINT("BMM_MergeAllLogBlock, ZoneCnt: %x\n", ZoneCnt);
for(tmpZoneNum=0; tmpZoneNum<ZoneCnt; tmpZoneNum++)
{
PRINT("BMM_MergeAllLogBlock, tmpZoneNum: %x\n", tmpZoneNum);
//swap the block mapping table to ram which is need be accessing currently
if(tmpLogicalBlk!= 0xffff)
LML_MergeLogBlk_Quit();
result = BMM_SwitchMapTbl(tmpZoneNum);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] BMM_MergeAllLogBlock, Switch block mapping table failed when read logical page! Err:0x%x\n", result);
return -ERR_MAPPING;
}
BMM_SetDirtyFlag();
for(tmpLogPos = 0; tmpLogPos<MAX_LOG_BLK_CNT; tmpLogPos++)
{
if(LOG_BLK_TBL[tmpLogPos].LogicBlkNum != 0xffff)
{
PRINT("BMM_MergeAllLogBlock, logpos: %x, logblock: %x\n", tmpLogPos, LOG_BLK_TBL[tmpLogPos].LogicBlkNum);
//need swap the page mapping table to ram which is accessing currently
result = PMM_SwitchMapTbl(tmpLogPos);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] BMM_MergeAllLogBlock, Switch page mapping table failed when switch page map table! Err:0x%x\n", result);
return -1;
}
result = LML_MergeLogBlk(NORMAL_MERGE_MODE,LOG_BLK_TBL[tmpLogPos].LogicBlkNum);
if(result<0)
{
MAPPING_ERR("[MAPPING_ERR] BMM_MergeAllLogBlock, merge error! Err:0x%x\n", result);
return -ERR_MAPPING;
}
}
}
}
PRINT("BMM_MergeAllLogBlock end\n");
return result;
}
/*
************************************************************************************************************************
* GET LOG PAGE PARAMETER
*
*Description: Get a page from log block for read or write.
*
*Arguments : nBlk the logical block number of the log block;
* nPage the number of the logical page, which page need log page;
* nMode the type of get log page, 'r' or 'w', others is invalid.
*
*Return : the number of the log page;
* != 0xffff get log page successful, return page number;
* = 0xffff get log page failed.
*
*Note : Scan the log block table to try to get the log block.
* when the get type is 'r', if the log block is exsit and the logical
* page contain a log page, return the number of the log page, else,
* return 0xffff;
* when the get type is 'w', if the log block is not exsit, need create
* log block, then, if get log page failed, need merge the log block, and
* try to get log page again, this mode should return a value page number
* except there is no enough valid blocks.
************************************************************************************************************************
*/
__u32 PMM_GetLogPage(__u32 nBlk, __u32 nPage, __u8 nMode)
{
__s32 result, tmpLogPst;
__u16 tmpPage, PhyPageNum;
if(nMode == 'r')
{
tmpLogPst = _GetLogBlkPst(nBlk);
if(tmpLogPst < 0)
{
//get log page by read mode, there is no log block, return invalid value
return INVALID_PAGE_NUM;
}
//need swap the page mapping table to ram which is accessing currently
result = PMM_SwitchMapTbl(tmpLogPst);
if(result < 0)
{
MAPPING_ERR("[MAPPING_ERR] Switch page mapping table failed when get log page! Err:0x%x\n", result);
return INVALID_PAGE_NUM;
}
_CalLogAccessCnt(tmpLogPst);
//get active read log block index
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[tmpLogPst].LogBlkType == LSB_TYPE))
{
PhyPageNum = PAGE_MAP_TBL[nPage].PhyPageNum;
if((PhyPageNum&(0x1<<15))&&(PhyPageNum!= 0xffff))
{
LOG_BLK_TBL[tmpLogPst].ReadBlkIndex = 1;
PhyPageNum &= 0x7fff;
}
else
LOG_BLK_TBL[tmpLogPst].ReadBlkIndex = 0;
return (PhyPageNum|LOG_BLK_TBL[tmpLogPst].ReadBlkIndex<<16);
}
else
{
LOG_BLK_TBL[tmpLogPst].ReadBlkIndex = 0;
return PAGE_MAP_TBL[nPage].PhyPageNum;
}
}
result = _GetLogPageForWrite(nBlk, nPage, &tmpPage, (__u32 *)&tmpLogPst);
if(result < 0)
{
//get log page for write failed
MAPPING_ERR("[MAPPING_ERR] Get log page for write failed!\n");
return INVALID_PAGE_NUM;
}
//check if the log page is valid
if(!(tmpPage < PAGE_CNT_OF_SUPER_BLK))
{
//the log page is not invalid, need to merge the log block, and get again
result = LML_MergeLogBlk(SPECIAL_MERGE_MODE, nBlk);
if(result < 0)
{
//merge log block failed, report error
MAPPING_ERR("[MAPPING_ERR] Merge log block failed when get log page! Err:0x%x\n", result);
return INVALID_PAGE_NUM;
}
//try to get log page for write again
result = _GetLogPageForWrite(nBlk, nPage, &tmpPage, (__u32 *)&tmpLogPst);
if(result < 0)
{
//get log page for write failed
MAPPING_ERR("[MAPPING_ERR] Get log page for write failed!\n");
return INVALID_PAGE_NUM;
}
}
//check if the log page is valid
if(!(tmpPage < PAGE_CNT_OF_SUPER_BLK))
{
//get log page for write failed
MAPPING_ERR("[MAPPING_ERR] Get log page for write failed!\n");
return INVALID_PAGE_NUM;
}
else
{
LOG_BLK_TBL[tmpLogPst].LastUsedPage = tmpPage;
}
//update the page mapping table item
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[tmpLogPst].LogBlkType == LSB_TYPE))
{
DBUG_MSG("[DBUG_MSG] PMM_GetLogPage 2, select bak log block\n");
PAGE_MAP_TBL[nPage].PhyPageNum = tmpPage|((LOG_BLK_TBL[tmpLogPst].WriteBlkIndex&0x1)<<15);
}
else
PAGE_MAP_TBL[nPage].PhyPageNum = tmpPage;
//set the flag that mark need update the page mapping table
PAGE_MAP_CACHE->DirtyFlag = 1;
_CalLogAccessCnt(tmpLogPst);
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[tmpLogPst].LogBlkType == LSB_TYPE))
return (tmpPage|LOG_BLK_TBL[tmpLogPst].WriteBlkIndex<<16);
else
return tmpPage;
}
/*
************************************************************************************************************************
* 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;
}
static __s32 _write_back_page_map_tbl(__u32 nLogBlkPst)
{
__u16 TablePage;
__u32 TableBlk;
struct __NandUserData_t UserData[2];
struct __PhysicOpPara_t param;
struct __SuperPhyBlkType_t BadBlk,NewBlk;
/*check page poisition, merge if no free page*/
TablePage = LOG_BLK_TBL[nLogBlkPst].LastUsedPage + 1;
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
if (TablePage == PAGE_CNT_OF_SUPER_BLK) {
/*block id full,need merge*/
if (LML_MergeLogBlk(SPECIAL_MERGE_MODE,LOG_BLK_TBL[nLogBlkPst].LogicBlkNum)) {
MAPPING_ERR("write back page tbl : merge err\n");
return NAND_OP_FALSE;
}
if (PAGE_MAP_CACHE->ZoneNum != 0xff) {
/*move merge*/
TablePage = LOG_BLK_TBL[nLogBlkPst].LastUsedPage + 1;
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
}
else
return NAND_OP_TRUE;
}
rewrite:
//PRINT("-------------------write back page tbl for blk %x\n",TableBlk);
/*write page map table*/
MEMSET((void *)&UserData,0xff,sizeof(struct __NandUserData_t) * 2);
UserData[0].PageStatus = 0xaa;
MEMSET(LML_PROCESS_TBL_BUF,0xff,SECTOR_CNT_OF_SUPER_PAGE * SECTOR_SIZE);
if(PAGE_CNT_OF_SUPER_BLK >= 512)
{
__u32 page;
for(page = 0; page < PAGE_CNT_OF_SUPER_BLK; page++)
*((__u16 *)LML_PROCESS_TBL_BUF + page) = PAGE_MAP_TBL[page].PhyPageNum;
((__u32 *)LML_PROCESS_TBL_BUF)[511] = \
_GetTblCheckSum((__u32 *)LML_PROCESS_TBL_BUF, PAGE_CNT_OF_SUPER_BLK*2/(sizeof (__u32)));
}
else
{
MEMCPY(LML_PROCESS_TBL_BUF, PAGE_MAP_TBL,PAGE_CNT_OF_SUPER_BLK*sizeof(struct __PageMapTblItem_t));
((__u32 *)LML_PROCESS_TBL_BUF)[511] = \
_GetTblCheckSum((__u32 *)LML_PROCESS_TBL_BUF, PAGE_CNT_OF_SUPER_BLK*sizeof(struct __PageMapTblItem_t)/(sizeof (__u32)));
}
param.MDataPtr = LML_PROCESS_TBL_BUF;
param.SDataPtr = (void *)&UserData;
param.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
//rewrite:
LML_CalculatePhyOpPar(¶m, CUR_MAP_ZONE, TableBlk, TablePage);
LML_VirtualPageWrite(¶m);
if (NAND_OP_TRUE != PHY_SynchBank(param.BankNum, SYNC_CHIP_MODE)) {
BadBlk.PhyBlkNum = TableBlk;
if (NAND_OP_TRUE != LML_BadBlkManage(&BadBlk,CUR_MAP_ZONE,TablePage,&NewBlk)) {
MAPPING_ERR("write page map table : bad block mange err after write\n");
return NAND_OP_FALSE;
}
TableBlk = NewBlk.PhyBlkNum;
LOG_BLK_TBL[nLogBlkPst].PhyBlk = NewBlk;
goto rewrite;
}
LOG_BLK_TBL[nLogBlkPst].LastUsedPage = TablePage;
PAGE_MAP_CACHE->ZoneNum = 0xff;
PAGE_MAP_CACHE->LogBlkPst = 0xff;
return NAND_OP_TRUE;
}
static __s32 _write_back_page_map_tbl(__u32 nLogBlkPst)
{
__u16 TablePage;
__u32 TableBlk;
struct __NandUserData_t UserData[2];
struct __PhysicOpPara_t param, tmpPage0;
struct __SuperPhyBlkType_t BadBlk,NewBlk;
__s32 result;
/*check page poisition, merge if no free page*/
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[nLogBlkPst].LogBlkType == LSB_TYPE))
{
TablePage = LOG_BLK_TBL[nLogBlkPst].LastUsedPage + 1;
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
DBUG_MSG("[DBUG] _write_back_page_map_tbl, log block: %x, bak log block %x\n", LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum, LOG_BLK_TBL[nLogBlkPst].PhyBlk1.PhyBlkNum);
DBUG_MSG("[DBUG] _write_back_page_map_tbl, select bak log block\n");
TablePage = PMM_CalNextLogPage(TablePage);
if((TablePage >= PAGE_CNT_OF_SUPER_BLK)&&(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex == 0))
{
DBUG_MSG("[DBUG] _write_back_page_map_tbl, change to log block 1, phyblock1: %x\n", LOG_BLK_TBL[nLogBlkPst].PhyBlk1.PhyBlkNum);
LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex = 1;
TablePage = TablePage - PAGE_CNT_OF_SUPER_BLK;
}
if(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex == 1)
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk1.PhyBlkNum;
else
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
if (TablePage >= PAGE_CNT_OF_SUPER_BLK){
//DBUG_INF("[DBUG] _write_back_page_map_tbl, log block full, need merge\n");
/*block id full,need merge*/
if (LML_MergeLogBlk(SPECIAL_MERGE_MODE,LOG_BLK_TBL[nLogBlkPst].LogicBlkNum)){
MAPPING_ERR("write back page tbl : merge err\n");
return NAND_OP_FALSE;
}
DBUG_MSG("[DBUG] _write_back_page_map_tbl, log block merge end\n");
if (PAGE_MAP_CACHE->ZoneNum != 0xff){
/*move merge*/
TablePage = LOG_BLK_TBL[nLogBlkPst].LastUsedPage + 1;
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
TablePage = PMM_CalNextLogPage(TablePage);
//DBUG_INF("[DBUG] _write_back_page_map_tbl, after move merge, table block: %x, table page %x\n", TableBlk, TablePage);
}
else
return NAND_OP_TRUE;
}
}
else
{
TablePage = LOG_BLK_TBL[nLogBlkPst].LastUsedPage + 1;
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
if (TablePage == PAGE_CNT_OF_SUPER_BLK){
/*block id full,need merge*/
if (LML_MergeLogBlk(SPECIAL_MERGE_MODE,LOG_BLK_TBL[nLogBlkPst].LogicBlkNum)){
MAPPING_ERR("write back page tbl : merge err\n");
return NAND_OP_FALSE;
}
if (PAGE_MAP_CACHE->ZoneNum != 0xff){
/*move merge*/
TablePage = LOG_BLK_TBL[nLogBlkPst].LastUsedPage + 1;
TableBlk = LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum;
}
else
return NAND_OP_TRUE;
}
}
rewrite:
//PRINT("-------------------write back page tbl for blk %x\n",TableBlk);
/*write page map table*/
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[nLogBlkPst].LogBlkType == LSB_TYPE))
{
if((TablePage== 0)&&(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex == 1))
{
MEMSET((void *)(&UserData[0]),0xff,sizeof(struct __NandUserData_t) * 2);
//log page is the page0 of the logblk1, should copy page0 of logblock0, and skip the page
LML_CalculatePhyOpPar(&tmpPage0, CUR_MAP_ZONE, LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum, 0);
tmpPage0.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
tmpPage0.MDataPtr = LML_TEMP_BUF;
tmpPage0.SDataPtr = (void *)UserData;
result = LML_VirtualPageRead(&tmpPage0);
if(result < 0)
{
LOGICCTL_ERR("[LOGICCTL_ERR] Get log age of data block failed when write logical page, Err:0x%x!\n", result);
return -ERR_PHYSIC;
}
//log page is the page0 of the logblk1, should skip the page
UserData[0].LogType = LSB_TYPE|(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex<<4);
UserData[1].LogType = LSB_TYPE|(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex<<4);
LML_CalculatePhyOpPar(&tmpPage0, CUR_MAP_ZONE, LOG_BLK_TBL[nLogBlkPst].PhyBlk1.PhyBlkNum, 0);
tmpPage0.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
tmpPage0.MDataPtr = LML_TEMP_BUF;
tmpPage0.SDataPtr = (void *)UserData;
result = LML_VirtualPageWrite(&tmpPage0);
TablePage++;
}
}
MEMSET((void *)(&UserData[0]),0xff,sizeof(struct __NandUserData_t) * 2);
UserData[0].PageStatus = 0xaa;
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[nLogBlkPst].LogBlkType == LSB_TYPE))
{
UserData[0].LogType = LSB_TYPE|(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex<<4);
UserData[1].LogType = LSB_TYPE|(LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex<<4);
}
else
{
UserData[0].LogType = 0xff;
UserData[1].LogType = 0xff;
}
//if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[nLogBlkPst].LogBlkType == LSB_TYPE)&&(TablePage== 0))
//{
// DBUG_INF("[DBUG] _write_back_page_map_tbl in page0, TablePage: %x, TableBlk: %x\n", TablePage, TableBlk);
// DBUG_INF("[DBUG] _write_back_page_map_tbl in page0, logicNum: %x, log0: %x, log1: %x\n", LOG_BLK_TBL[nLogBlkPst].LogicBlkNum,LOG_BLK_TBL[nLogBlkPst].PhyBlk.PhyBlkNum, LOG_BLK_TBL[nLogBlkPst].PhyBlk1.PhyBlkNum);
// DBUG_INF("[DBUG] _write_back_page_map_tbl in page0, logicinfo: %x, logicpage: %x\n", UserData[0].LogicInfo, UserData[0].LogicPageNum);
// DBUG_INF("[DBUG] _write_back_page_map_tbl in page0, logtype: %x, pagestatus: %x\n", UserData[0].LogType, UserData[0].PageStatus);
//}
MEMSET(LML_PROCESS_TBL_BUF,0xff,SECTOR_CNT_OF_SUPER_PAGE * SECTOR_SIZE);
if(PAGE_CNT_OF_SUPER_BLK >= 512)
{
__u32 page;
for(page = 0; page < PAGE_CNT_OF_SUPER_BLK; page++)
*((__u16 *)LML_PROCESS_TBL_BUF + page) = PAGE_MAP_TBL[page].PhyPageNum;
((__u32 *)LML_PROCESS_TBL_BUF)[511] = \
_GetTblCheckSum((__u32 *)LML_PROCESS_TBL_BUF, PAGE_CNT_OF_SUPER_BLK*2/(sizeof (__u32)));
}
else
{
MEMCPY(LML_PROCESS_TBL_BUF, PAGE_MAP_TBL,PAGE_CNT_OF_SUPER_BLK*sizeof(struct __PageMapTblItem_t));
((__u32 *)LML_PROCESS_TBL_BUF)[511] = \
_GetTblCheckSum((__u32 *)LML_PROCESS_TBL_BUF, PAGE_CNT_OF_SUPER_BLK*sizeof(struct __PageMapTblItem_t)/(sizeof (__u32)));
}
param.MDataPtr = LML_PROCESS_TBL_BUF;
param.SDataPtr = (void *)&UserData;
param.SectBitmap = FULL_BITMAP_OF_SUPER_PAGE;
//rewrite:
LML_CalculatePhyOpPar(¶m, CUR_MAP_ZONE, TableBlk, TablePage);
LML_VirtualPageWrite(¶m);
if (NAND_OP_TRUE != PHY_SynchBank(param.BankNum, SYNC_CHIP_MODE)){
BadBlk.PhyBlkNum = TableBlk;
if (NAND_OP_TRUE != LML_BadBlkManage(&BadBlk,CUR_MAP_ZONE,TablePage,&NewBlk)){
MAPPING_ERR("write page map table : bad block mange err after write\n");
return NAND_OP_FALSE;
}
TableBlk = NewBlk.PhyBlkNum;
LOG_BLK_TBL[nLogBlkPst].PhyBlk = NewBlk;
goto rewrite;
}
LOG_BLK_TBL[nLogBlkPst].LastUsedPage = TablePage;
PAGE_MAP_CACHE->ZoneNum = 0xff;
PAGE_MAP_CACHE->LogBlkPst = 0xff;
if((SUPPORT_LOG_BLOCK_MANAGE)&&(LOG_BLK_TBL[nLogBlkPst].LogBlkType == LSB_TYPE))
DBUG_MSG("[DBUG] _write_back_page_map_tbl end, lastusedpage: %x, write_index: %x\n", LOG_BLK_TBL[nLogBlkPst].LastUsedPage, LOG_BLK_TBL[nLogBlkPst].WriteBlkIndex);
return NAND_OP_TRUE;
}
__s32 BMM_RleaseLogBlock(__u32 log_level)
{
__u32 tmpZoneNum, ZoneCnt, tmpLogPos;
__s32 result, release_logblk_cnt;
__s32 tmpPst=-1, i, ValidLogblkCnt = 0;
__u16 tmpLogAccessAge = 0xffff;
//check if need to release log block
ValidLogblkCnt = 0;
for(i=0; i<LOG_BLK_CNT_OF_ZONE; i++)
{
if(LOG_BLK_TBL[i].LogicBlkNum != 0xffff)
{
ValidLogblkCnt++;
}
}
//valid log block if less than log_level, no need to release log block
if(ValidLogblkCnt<=log_level)
return 0;
//PRINT("BMM_RleaseLogBlock\n");
BMM_SetDirtyFlag();
//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)&&(LOG_BLK_TBL[i].LogicBlkNum != 0xffff))
{
tmpLogAccessAge = LOG_ACCESS_AGE[i];
tmpPst = i;
}
}
}
if(tmpPst == -1)
return -1;
//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;
}
return (ValidLogblkCnt-1);
}
