📄 nand_drv.c
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gNFlashInfo.multi_plane_code = (UINT8) (mNand_Read_Data() & 0xff) ;
if ((gNFlashInfo.maker_code == 0xec) &&
(gNFlashInfo.device_code == 0x76) &&
(gNFlashInfo.multi_plane_code == 0xc0))
return NAND_PASS ;
else
return NAND_FAIL;
#endif/*#if (NFLASH_TYPE == TYPE_IS_K9F1208X0B) */
#if (NFLASH_TYPE == TYPE_IS_NAND512R3A)
gNFlashInfo.maker_code = (UINT8) (mNand_Read_Data() & 0xff) ;
gNFlashInfo.device_code = (UINT8) (mNand_Read_Data() & 0xff) ;
if ((gNFlashInfo.maker_code == 0x20) &&
(gNFlashInfo.device_code == 0x76) )
return NAND_PASS ;
else
return NAND_FAIL ;
#endif/*(NFLASH_TYPE == TYPE_IS_NAND512R3A) */
}
/*
* Function: HD_NFlashInit( )
* DeSCRiption: This function be used to initialize the flash controler and create the bad block table
* Input: None
* Output: None
* Return: None
* Others:
*/
NAND_Ret HD_NFlashInit(void)
{
UINT8 flash_status ;
SDAndNandFlag=1;
EnableNANDControler();
#if ((NFLASH_TYPE == TYPE_IS_K9F1208X0B) || (NFLASH_TYPE == TYPE_IS_NAND512R3A))
/*setting NFC timming */
WRITE_REG32(NFLASH_NFTYPE_ADDR,0x00000000) ; //this is temp value
/*
*setting NFC size register
*column Address bit size : 8bits
*Row Address bit size : 17bits
*NAND flash memony data width :8 bit
*/
WRITE_REG32(NFLASH_NFSIZE_ADDR,0x00000018) ;
/*clear the ready bit ,and make it to default value(busy)*/
WRITE_REG32(NFLASH_NFINTP_ADDR,1) ;
/*disable Nand interrupt*/
WRITE_REG32(NFLASH_NFINTE_ADDR,1);
NFlashReset() ;
flash_status = NFlashReadID() ;
if (flash_status != NAND_PASS)
{
DEBUG_OUT("NAND_ID_ERR\n\r") ;
return NAND_ID_ERR;
}
#endif /*(NFLASH_TYPE == TYPE_IS_K9F1208X0B ) */
return NAND_PASS;
}
NAND_Ret NAND_BlockErase(UINT32 udAddress)
{
//UINT32 erase_address ;
#ifdef _NAND_DEBUG_
DEBUG_OUT("Erase\n\r") ;
if (udAddress >= FLASH_SIZE_64MB)
{
DEBUG_OUT("Erase NAND_SW_ERR\n\r") ;
return NAND_SW_ERR ;
}
/*if Write protection is valid*/
if (!IsWriteProtect())
{
DEBUG_OUT("Erase NAND_WRPRT_ERR\n\r") ;
return NAND_WRPRT_ERR;
}
#endif /*_NAND_DEBUG_*/
//erase_address = udAddress & 0x03fffe00 ;
WRITE_REG32(NFLASH_NFINTP_ADDR,1) ;
mNandWrite_SET_CLE(BLOCK_ERASE_CMD1);
mNandWrite_SET_ALE(((udAddress & 0x03fffe00) | 0x80000000)) ;
mNandWrite_SET_CLE(BLOCK_ERASE_CMD2);
if (!IsReadyToRW())
{
DEBUG_OUT("Erase NAND_HW_ERR\n\r") ;
return NAND_HW_ERR ;
}
/*if failure it need to block placement*/
if (!IsSucessProgram())
{
DEBUG_OUT("Erase NAND_PRG_FAIL\n\r") ;
return NAND_FAIL;
}
return(NAND_PASS) ;
}
NAND_Ret NAND_PageRead(UINT32 udAddress, dataWidth *pReadBuf,UINT32 len )
{
UINT16 HalfSelect ;
#ifndef _NFLASH_DMA_
UINT16 i = 0 ;
#endif /*_NFLASH_DMA_*/
HalfSelect = udAddress &511 ; /*PAGE_DATA_SIZE-1*/ ;
#ifdef _NAND_DEBUG_
DEBUG_OUT("NandReadNoEcc\n\r") ;
if ((pReadBuf == NULL) || (len > PAGE_SIZE))
{
DEBUG_OUT("NandReadNoEcc NAND_SW_ERR\n\r") ;
return NAND_SW_ERR ;
}
if (udAddress >= FLASH_SIZE_64MB)
{
DEBUG_OUT("NandReadNoEcc NAND_ADDR_OVERFLOW\n\r") ;
return NAND_ADDR_OVERFLOW;
}
#endif /*_NAND_DEBUG_*/
//udAddress &= 0x03ffffff ;
WRITE_REG32(NFLASH_NFINTP_ADDR,1) ;
if (HalfSelect < 256)
{
mNandWrite_SET_CLE(READ1_CMD_00H);
}
else
{
mNandWrite_SET_CLE(READ1_CMD_01H);
}
mNandWrite_SET_ALE(udAddress&0x03ffffff) ;
if (!IsReadyToRW())
{
DEBUG_OUT("NandReadNoEcc NAND_HW_ERR\n\r") ;
return NAND_FAIL ;
}
/**************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) | ((len - 1) << 8) | (1 << 20) | (0 << 21) ;
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("NandReadNoEcc 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) 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("NandReadNoEcc 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_*/
for (i = 0 ; i < len; i++)
pReadBuf[i] = (UINT8) (mNand_Read_Data() & 0xff) ;
#endif /*_NFLASH_DMA_*/
return NAND_PASS ;
}
NAND_Ret NAND_PageProgram(UINT32 udAddress, dataWidth *pWritebuf,UINT32 len )
{
UINT16 HalfSelect ;
#ifndef _NFLASH_DMA_
UINT16 i = 0 ;
#endif /*_NFLASH_DMA_*/
HalfSelect = udAddress &511 ; /*PAGE_DATA_SIZE-1*/ ;
#ifdef _NAND_DEBUG_
DEBUG_OUT("NandWriteNoEcc\n\r") ;
if ((pWritebuf == NULL) || (len > PAGE_SIZE))
{
DEBUG_OUT("WriteNoEcc NAND_SW_ERR\n\r") ;
return NAND_SW_ERR ;
}
if (udAddress >= FLASH_SIZE_64MB)
{
DEBUG_OUT("WriteNoEcc NAND_ADDR_OVERFLOW\n\r") ;
return NAND_ADDR_OVERFLOW;
}
/*if Write protection is valid*/
if (!IsWriteProtect())
{
DEBUG_OUT("WriteNoEcc NAND_WRPRT_ERR\n\r") ;
return NAND_WRPRT_ERR;
}
#endif /*_NAND_DEBUG_*/
//udAddress &= 0x03ffffff ;
WRITE_REG32(NFLASH_NFINTP_ADDR,1) ;
if (HalfSelect < 256)
{
mNandWrite_SET_CLE(READ1_CMD_00H);
} /*reset pointer to 'a' area*/
else
{
mNandWrite_SET_CLE(READ1_CMD_01H);
} /*reset pointer to 'b' area*/
mNandWrite_SET_CLE(PAGE_PRO_TRUE_CMD1);
mNandWrite_SET_ALE(udAddress&0x03ffffff) ;
/*********Write the main data area***********/
#ifdef _NFLASH_DMA_
{
UINT32 temp = 0;
UINT32 TimeOut = 0;
/*start ,byte width ,length is len, source inc ,dst fix*/
OS_DRIVER_ObtainSemaphore(DMA_SEMAPHORE_ID);
#if (DMA_TYPE==TYPE_IS_MOSE_DMA)
EnablePDClk(PD_CCKEN_DMAC_BIT);
temp = 1 << 0 | 0 << 4 | (len - 1) << 8 | 0 << 20 | 1 << 21 ;
ProgramDMAChannel((UINT32) pWritebuf,NFLASH_NFDOUT_ADDR,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("WriteNoEcc 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) pWritebuf,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("NandReadNoEcc 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_*/
for (i = 0 ; i < len; i++)
mNand_Write_Data(pWritebuf[i]) ;
#endif /*_NFLASH_DMA_*/
mNandWrite_SET_CLE(PAGE_PRO_TRUE_CMD2);
if (!IsReadyToRW())
{
DEBUG_OUT("WriteNoEcc NAND_HW_ERR\n\r") ;
return NAND_HW_ERR ;
}
/*if failure it need to block placement*/
if (!IsSucessProgram())
{
DEBUG_OUT("WriteNoEcc NAND_PRG_FAIL\n\r") ;
return NAND_FAIL ;
}
#ifdef _NAND_VERIFY_WRITE_
{
UINT16 k;
NandReadNoEcc(udAddress,len,ReadBackBuf) ;
for (k = 0; k < len; k++)
{
if (ReadBackBuf[k] != pWritebuf[k])
{
DEBUG_OUT("WriteNoEcc NAND_VERIFY_ERR\n\r") ;
return NAND_VERIFY_ERR;
}
}
}
#endif/*_NAND_VERIFY_WRITE_*/
return NAND_PASS ;
}
NAND_Ret NAND_SpareProgram(UINT32 udAddress, dataWidth *pWrOobBuf,UINT32 len)
{
#ifdef _NAND_DEBUG_
DEBUG_OUT("NandWriteOOB\n\r") ;
if ((pWrOobBuf == NULL) || (len > 16))
{
DEBUG_OUT("Woob NAND_SW_ERR\n\r") ;
return NAND_SW_ERR ;
}
if (udAddress >= FLASH_SIZE_64MB)
{
DEBUG_OUT("Woob 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;
}
/*if Write protection is valid*/
if (!IsWriteProtect())
{
DEBUG_OUT("Woob NAND_WRPRT_ERR\n\r") ;
return NAND_WRPRT_ERR;
}
#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_CLE(PAGE_PRO_TRUE_CMD1);
mNandWrite_SET_ALE(udAddress&0x03ffff0f) ;
#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 inc , dst fix*/
temp = 1 << 0 | 0 << 4 | (len - 1) << 8 | 0 << 20 | 1 << 21 ;
ProgramDMAChannel((UINT32) pWrOobBuf,NFLASH_NFDOUT_ADDR,temp) ;
#ifndef _STAND_ALONE_
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