?? nand_drv.c
字號:
{
UINT32 EventResult; /* The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Woob NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_DCR_ADDR);
while (temp & 0x10000000)
{
temp = READ_REG32(DMA_DCR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
#endif/*_STAND_ALONE_*/
DisablePDClk(PD_CCKEN_DMAC_BIT);
#elif ( (DMA_TYPE==TYPE_IS_GPRS_DMA))
{
UINT32 CtlrParam = 0, CfgrParam = 0;
UINT32 ErrorCode ;
/*src busrt size 0 |dst burst size 0|src width 8bits|dst width 8bits|src inc,dst fix*/
CtlrParam = 1 << 22 ;
/*src dst peripheral is ignored | src master 0 | dst master 1| memory to memory | len bytes*/
CfgrParam = (1 << 7) | (len << 12);
ProgramDMAChannel((UINT32) pWrOobBuf,NFLASH_NFDOUT_ADDR,CtlrParam,CfgrParam);
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /* The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Woob NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_ISR_ADDR);
while ((temp & 0x4) == 0)//default to channel 2
{
temp = READ_REG32(DMA_ISR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
WRITE_REG32(DMA_ISR_ADDR, 0x4);
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
WRITE_REG32(DMA_ISR_ADDR, 0x4);
#endif/*_STAND_ALONE_*/
}
#endif/*(DMA_TYPE==TYPE_IS_MOSE_DMA)*/
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
}
#else /*_NFLASH_DMA_*/
{
UINT16 i = 0 ;
for (i = 0 ; i < len; i++)
mNand_Write_Data(pWrOobBuf[i]) ;
}
#endif /*_NFLASH_DMA_*/
/***this palce need to pull up the nce**/
mNandWrite_SET_CLE(PAGE_PRO_TRUE_CMD2);
if (!IsReadyToRW())
{
DEBUG_OUT("Woob NAND_HW_ERR\n\r") ;
return NAND_HW_ERR ;
}
/*if failure it need to block placement*/
if (!IsSucessProgram())
{
DEBUG_OUT("Woob NAND_PRG_FAIL\n\r") ;
return NAND_FAIL ;
}
return NAND_PASS;
}
NAND_Ret NAND_SpareRead(UINT32 udAddress, UINT8 *pOobBuf,UINT32 len)
{
#ifdef _NAND_DEBUG_
DEBUG_OUT("NandReadOOB\n\r") ;
if ((pOobBuf == NULL) || (len > 16))
{
DEBUG_OUT("Roob NAND_SW_ERR\n\r") ;
return NAND_SW_ERR ;
}
if (udAddress >= FLASH_SIZE_64MB)
{
DEBUG_OUT("Roob NAND_ADDR_OVERFLOW\n\r") ;
return NAND_ADDR_OVERFLOW;
}
/* Control if the address is the buffer size is within the page*/
if (((udAddress % PAGE_SPARE_SIZE) + len) > PAGE_SPARE_SIZE)
{
DEBUG_OUT("Woob NAND_PAGE_OVERFLOW\n\r") ;
return NAND_PAGE_OVERFLOW;
}
#endif /*_NAND_DEBUG_*/
//udAddress &= 0x03ffff0f ; /*a0-a3:valid address ,a4-a7:dont care*/
WRITE_REG32(NFLASH_NFINTP_ADDR,1) ;
mNandWrite_SET_CLE(READ2_CMD);
mNandWrite_SET_ALE(udAddress&0x03ffff0f) ;
if (!IsReadyToRW())
{
DEBUG_OUT("Roob NAND_HW_ERR\n\r") ;
return NAND_FAIL ;
}
#ifdef _NFLASH_DMA_
{
UINT32 temp = 0;
UINT32 TimeOut = 0;
OS_DRIVER_ObtainSemaphore(DMA_SEMAPHORE_ID);
#if (DMA_TYPE==TYPE_IS_MOSE_DMA)
EnablePDClk(PD_CCKEN_DMAC_BIT);
/*start ,byte width ,length is len, source fix ,dst increment*/
temp = 1 << 0 | 0 << 4 | (len - 1) << 8 | 1 << 20 | 0 << 21 ;
ProgramDMAChannel(NFLASH_NFDIN_ADDR + 1,(UINT32) pOobBuf,temp) ;
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /*The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Roob NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_DCR_ADDR);
while (temp & 0x10000000)
{
temp = READ_REG32(DMA_DCR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
#endif/*_STAND_ALONE_*/
DisablePDClk(PD_CCKEN_DMAC_BIT);
#elif(DMA_TYPE==TYPE_IS_GPRS_DMA)
{
UINT32 CtlrParam = 0, CfgrParam = 0;
UINT32 ErrorCode ;
/*src busrt size 0 |dst burst size 0|src width 8bits|dst width 8bits|src fix,dst inc*/
CtlrParam = 1 << 23 ;
/*src dst peripheral is ignored | src master 0 | dst master 1| memory to memory | 512 bytes*/
CfgrParam = (1 << 7) | (len << 12);
ProgramDMAChannel(NFLASH_NFDIN_ADDR,(UINT32) pOobBuf,CtlrParam,CfgrParam);
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /*The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Roob NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_ISR_ADDR);
while ((temp & 0x4) == 0)//default to channel 2
{
temp = READ_REG32(DMA_ISR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
WRITE_REG32(DMA_ISR_ADDR, 0x4);
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
WRITE_REG32(DMA_ISR_ADDR, 0x4);
#endif/*_STAND_ALONE_*/
}
#endif/*(DMA_TYPE==TYPE_IS_MOSE_DMA)*/
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
}
#else/*_NFLASH_DMA_*/
{
UINT8 *pd = pOobBuf ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
}
#endif/*_NFLASH_DMA_*/
return NAND_PASS;
}
NAND_Ret NAND_PageReadWithEcc(UINT32 udAddress, dataWidth *pReadBuf,UINT32 len)
{
UINT8 error_code = NAND_PASS ;
UINT8 EccBuf[3];
#ifdef _NAND_DEBUG_
DEBUG_OUT("NandReadWithEcc\n\r") ;
if ((pReadBuf == NULL) || (len > PAGE_SIZE))
{
DEBUG_OUT("Read NAND_SW_ERR\n\r") ;
return NAND_SW_ERR ;
}
if (udAddress >= FLASH_SIZE_64MB)
{
DEBUG_OUT("Read NAND_ADDR_OVERFLOW\n\r") ;
return NAND_ADDR_OVERFLOW;
}
#endif /*_NAND_DEBUG_*/
//udAddress &= 0x03ffffff ;
WRITE_REG32(NFLASH_NFINTP_ADDR,1) ;
mNandWrite_SET_CLE(READ1_CMD_00H);
mNandWrite_SET_ALE(udAddress&0x03ffffff) ;
if (!IsReadyToRW())
{
DEBUG_OUT("Read NAND_HW_ERR\n\r") ;
return NAND_FAIL ;
}
EccClear();
/**************Read main data area*********/
#ifdef _NFLASH_DMA_
{
UINT32 temp = 0;
UINT32 TimeOut = 0;
OS_DRIVER_ObtainSemaphore(DMA_SEMAPHORE_ID);
#if (DMA_TYPE==TYPE_IS_MOSE_DMA)
EnablePDClk(PD_CCKEN_DMAC_BIT);
/*start ,byte width ,length is len, source fix ,dst increment*/
/*temp = (1 << 0) | (0 << 4) | (SECTOR_SIZE- 1) << 8 | (1 << 20) | (0 << 21) ; */
temp = 0x11FF01;
ProgramDMAChannel(NFLASH_NFDIN_ADDR + 1,(UINT32) pReadBuf,temp) ;
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /*The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Read NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_DCR_ADDR);
while (temp & 0x10000000)
{
temp = READ_REG32(DMA_DCR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
#endif/*_STAND_ALONE_*/
DisablePDClk(PD_CCKEN_DMAC_BIT);
#elif (DMA_TYPE==TYPE_IS_GPRS_DMA)
{
UINT32 CtlrParam = 0, CfgrParam = 0;
UINT32 ErrorCode ;
/*src busrt size 0 |dst burst size 0|src width 8bits|dst width 8bits|src fix,dst inc*/
CtlrParam = 1 << 23 ;
/*src dst peripheral is ignored | src master 0 | dst master 1| memory to memory | 512 bytes*/
CfgrParam = (1 << 7) | (512 << 12);
ProgramDMAChannel(NFLASH_NFDIN_ADDR,(UINT32) pReadBuf,CtlrParam,CfgrParam);
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /*The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Roob NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_ISR_ADDR);
while ((temp & 0x4) == 0)//default to channel 2
{
temp = READ_REG32(DMA_ISR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
WRITE_REG32(DMA_ISR_ADDR, 0x4);
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
WRITE_REG32(DMA_ISR_ADDR, 0x4);
#endif/*_STAND_ALONE_*/
}
#endif/*(DMA_TYPE==TYPE_IS_MOSE_DMA)*/
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
GenerateEcc(&EccBuf[0]);
/*start ,byte width ,length is len, source fix ,dst increment*/
OS_DRIVER_ObtainSemaphore(DMA_SEMAPHORE_ID);
/*temp = (1 << 0) | (0 << 4) | (16 - 1) << 8 | (1 << 20) | (0 << 21) ; */
#if (DMA_TYPE==TYPE_IS_MOSE_DMA)
EnablePDClk(PD_CCKEN_DMAC_BIT);
temp = 0x100F01;
ProgramDMAChannel(NFLASH_NFDIN_ADDR + 1,(UINT32) (pReadBuf + SECTOR_SIZE),temp) ;
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /*The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Read NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
TimeOut = 0;
temp = READ_REG32(DMA_DCR_ADDR);
while (temp & 0x10000000)
{
temp = READ_REG32(DMA_DCR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
#endif/*_STAND_ALONE_*/
DisablePDClk(PD_CCKEN_DMAC_BIT);
#elif(DMA_TYPE==TYPE_IS_GPRS_DMA)
{
UINT32 CtlrParam = 0, CfgrParam = 0;
UINT32 ErrorCode ;
/*src busrt size 0 |dst burst size 0|src width 8bits|dst width 8bits|src fix,dst inc*/
CtlrParam = 1 << 23 ;
/*src dst peripheral is ignored | src master 0 | dst master 1| memory to memory | 512 bytes*/
CfgrParam = (1 << 7) | (16 << 12);
ProgramDMAChannel(NFLASH_NFDIN_ADDR,(UINT32) (pReadBuf + SECTOR_SIZE),
CtlrParam,CfgrParam);
#ifndef _STAND_ALONE_
{
UINT32 EventResult; /*The 32-bit variable to where the set bits is copied*/
UINT16 EventStatus; /* Event status*/
EventStatus = OS_DRIVER_WaitEventOR(PERIPH_EVENT_ID,PERIPH_DMA_EVTBIT,
&EventResult,NAND_DMA_TIMEOUT_VALUE);
if (EventStatus == OS_DRIVER_WAIT_EVENT_TIMEOUT)
{
DEBUG_OUT("Roob NAND_DMA_TIMEOUT\n\r") ;
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT;
}
}
#else
temp = READ_REG32(DMA_ISR_ADDR);
while ((temp & 0x4) == 0)//default to channel 2
{
temp = READ_REG32(DMA_ISR_ADDR);
TimeOut++ ;
if (TimeOut == NAND_TIMEOUT_VALUE)
{
WRITE_REG32(DMA_ISR_ADDR, 0x4);
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
return NAND_DMA_TIMEOUT ;
}
}
WRITE_REG32(DMA_ISR_ADDR, 0x4);
#endif/*_STAND_ALONE_*/
}
#endif/*(DMA_TYPE==TYPE_IS_MOSE_DMA)*/
OS_DRIVER_ReleaseSemaphore(DMA_SEMAPHORE_ID);
error_code = CompareEcc(&EccBuf[0],pReadBuf + SECTOR_SIZE);
}
#else /*_NFLASH_DMA_*/
{
UINT8 mi,*pd;
UINT16 temp = SECTOR_SIZE>>4 ;
pd=(unsigned char *)pReadBuf;
mi=0;
do
{
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
*pd++ = (UINT8) (mNand_Read_Data() & 0xff) ;
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