コード例 #1
0
ファイル: DK_PIC16_App.c プロジェクト: theapi/solar
/**********************************************************
**Name:     ModuleSelectModeEntryCheck
**Function: Confirm whether you can enter module select mode
**Input:    none
**Output:   none
**********************************************************/
void ModuleSelectModeEntryCheck(void)
{
  gb_FirstPowerUpFlag=1;                                   //FirstPowerUp
  FlashRead(EEPROM_FirstAddr, gb_RxData);
                        
  if(gb_RxData[0]==0x5A)                                 //Power on ,config default parameter
  {   
    gb_FreqBuf_Addr=gb_RxData[1];
    gb_RateBuf_Addr=gb_RxData[2];
    gb_PowerBuf_Addr=gb_RxData[3];
    gb_FdevBuf_Addr=gb_RxData[4];
    gb_BandBuf_Addr=gb_RxData[5]; 
    gb_Modem_Addr_Backup=gb_Modem_Addr=gb_RxData[6]; 
    gb_SystemMode=gb_RxData[8];
  }
  else
  {
    gb_FreqBuf_Addr=0;
    gb_RateBuf_Addr=1;
    gb_PowerBuf_Addr=0;
    gb_FdevBuf_Addr=0;
    gb_BandBuf_Addr=0;
    gb_Modem_Addr_Backup=gb_Modem_Addr=0;     
    
    gb_SystemMode=C_SysMode_Modem;                       //RF select modem mode
  } 
   
  InitSystemParameter();
}
コード例 #2
0
ファイル: c1648.c プロジェクト: Strongc/DC_source
ReturnType FlashSingleProgram(udword udAddrOff,uCPUBusType ucValue)
/****************************************************************************
* INPUT(S)             :
* OUTPUT(S)            :
* DESIGN DOC.          :
* FUNCTION DESCRIPTION :
*
****************************************************************************/
{
  uCPUBusType val;

  OS_Use(&mSemaFlashDrv);

  FlashWrite( 0x00555, (uCPUBusType)CMD(0x00AA) );  /* 1st cycle */
  FlashWrite( 0x002AA, (uCPUBusType)CMD(0x0055) );  /* 2nd cycle */
  FlashWrite( 0x00555, (uCPUBusType)CMD(0x00A0) );  /* Program command */
  FlashWrite( udAddrOff,ucValue );                  /* Program value */
  FlashDataToggle();
  val = FlashRead( udAddrOff );
  if (val != ucValue)
  {
    return Flash_OperationTimeOut;
  }

  OS_Unuse(&mSemaFlashDrv);

  return Flash_Success;
}
コード例 #3
0
ファイル: state.c プロジェクト: ptz19861212/pumponef103rc
/**
 * @brief   数据设置读取
 */
void SaveRead(void)
{
	S_Flash_Read lRead;

	lRead.Addr.Start = CONFIG_FLASH_SAVE_ADDR_START;
	lRead.Addr.End = lRead.Addr.Start + sizeof(sSave);
	lRead.Array = sSave;
	FlashRead(&lRead);
}
コード例 #4
0
ファイル: c1648.c プロジェクト: Strongc/DC_source
ReturnType FlashDataToggle( void )
/****************************************************************************
* INPUT(S)             :
* OUTPUT(S)            :
* DESIGN DOC.          :
* FUNCTION DESCRIPTION :
*
****************************************************************************/
{
  uCPUBusType ucVal1, ucVal2;

  FlashTimeOut(0);
  while(FlashTimeOut(120) != Flash_OperationTimeOut)
  {
    ucVal2 = FlashRead( ANY_ADDR );
    ucVal1 = FlashRead( ANY_ADDR );
    if( (ucVal1&CMD(0x0040)) == (ucVal2&CMD(0x0040)) )
    {
      return Flash_Success;
    }
    if( (ucVal2&CMD(0x0020)) != CMD(0x0020) )
    {
      continue;
    }
    ucVal1 = FlashRead( ANY_ADDR );
    ucVal2 = FlashRead( ANY_ADDR );
    if( (ucVal2&CMD(0x0040)) == (ucVal1&CMD(0x0040)) )
    {
      return Flash_Success;
    }
    else
    {
      eiErrorInfo.sprRetVal=FlashSpec_ToggleFailed;
      return Flash_SpecificError;
    }
  }
  return Flash_OperationTimeOut;
}
コード例 #5
0
/**
 * Read data from Factory partition of Flash.
 * Backward compatibility to origin caller and convention.
 * 1. If you want to read data from Factory, converts absolute address of flash to
 *    relative address regards to Factory partition and call FactoryRead() instead.
 * 2. If you want to read raw data from anywhere in flash, call FlashRead() instead.
 * 3. If you read data not in 0x40000~0x4FFFF, this function print warning message
 *    and call FlashRead() instead.
 */
int FRead(const unsigned char *buf, int addr, int count)
{
	if (!buf || addr < 0 || count <=0)
		return -1;

	/* If address fall in old Factory partition, call FactoryRead() instead. */
	if (addr >= OFFSET_MTD_FACTORY &&
	    (addr + count) <= (OFFSET_MTD_FACTORY + SPI_PARALLEL_NOR_FLASH_FACTORY_LENGTH)) {
		return FactoryRead(buf, addr - OFFSET_MTD_FACTORY, count);
	}

	fprintf(stderr, "%s: Read data out of factory region or cross old factory boundary. (addr 0x%x count 0x%x)\n",
		__func__, addr, count);
	return FlashRead(buf, addr, count);
}
コード例 #6
0
ファイル: msmddoal.cpp プロジェクト: blackfa1con/openembed
static DWORD*
AllocXIPLoc(void)
{
	DWORD *pMem;
	DWORD dwBlockStart;
	DWORD dwBlockLen;
	
	FlashInit(TRUE);
	FlashGetBlockInfo((LPVOID)pdwXIPLoc, &dwBlockStart, &dwBlockLen);

	pMem = (DWORD *) malloc(dwBlockLen * sizeof(BYTE));
	if (NULL == pMem)
	{
		return 0;
	}

	FlashRead((LPVOID)pdwXIPLoc, (LPVOID)pMem, dwBlockLen);

	return pMem;
}
コード例 #7
0
ファイル: c1648.c プロジェクト: Strongc/DC_source
ReturnType FlashBlockErase(uBlockType ublBlockNr)
/****************************************************************************
* INPUT(S)             :
* OUTPUT(S)            :
* DESIGN DOC.          :
* FUNCTION DESCRIPTION :
*
****************************************************************************/
{
  ReturnType rRetVal = Flash_Success;    /* Holds return value: optimistic initially! */

  OS_Use(&mSemaFlashDrv);

  FlashWrite( 0x00555, (uCPUBusType)CMD(0x00AA) );
  FlashWrite( 0x002AA, (uCPUBusType)CMD(0x0055) );
  FlashWrite( 0x00555, (uCPUBusType)CMD(0x0080) );
  FlashWrite( 0x00555, (uCPUBusType)CMD(0x00AA) );
  FlashWrite( 0x002AA, (uCPUBusType)CMD(0x0055) );
  FlashWrite( BlockOffset[ublBlockNr], (uCPUBusType)CMD(0x0030) );

  FlashTimeOut(0);
  while( !(FlashRead( BlockOffset[ublBlockNr] ) & CMD(0x0008) ) )
  {
    if (FlashTimeOut(5) == Flash_OperationTimeOut)
    {
      FlashWrite( ANY_ADDR, (uCPUBusType)CMD(0x00F0) ); /* Use single instruction cycle method */
      return Flash_OperationTimeOut;
    }
  }

  if( FlashDataToggle() !=  Flash_Success )
  {
    FlashWrite( ANY_ADDR, (uCPUBusType)CMD(0x00F0) ); /* Use single instruction cycle method */
    rRetVal=Flash_BlockEraseFailed;
  }

  OS_Unuse(&mSemaFlashDrv);

  return rRetVal;
}
コード例 #8
0
ファイル: flashw.c プロジェクト: KoetseJ/xumo
/////////////////////////////////////////////////////
//
//	FlashReadConfig(void)
//
//	read READBUF bytes data from flash
//	store data in global variable pcContentBuf[READBUF]
//
//	Return Value:
//	0:Error
//	1:Succssed
//
//////////////////////////////////////////////////////
int FlashReadConfig()
{
	unsigned long offset;	// where the value come from
	char rdata[READBUF];
	int tmp,rtn,i;
	int flashfd;	// no use
	
	memset(rdata, 0, READBUF);
	
	rtn=FlashRead(offset, rdata,READBUF);
	
	if( rtn < 0 )
	{
		printf("Flash read fail\n");
		return 0;
	}
	else
	{
		//printf("Flash read %d bytes\n", rtn);
		for(i=0; i<rtn; i++)
			pcContentBuf[i]=rdata[i];		
		return 1;
	}
}
コード例 #9
0
/*****************************************************************************
*
* The purpose of this function is to illustrate how to use the XQspiPs
* device driver in interrupt mode. This function writes and reads data
* from a serial FLASH.
*
* @param	None.
*
* @return	XST_SUCCESS if successful else XST_FAILURE.
*
* @note
*
* This function calls other functions which contain loops that may be infinite
* if interrupts are not working such that it may not return. If the device
* slave select is not correct and the device is not responding on bus it will
* read a status of 0xFF for the status register as the bus is pulled up.
*
*****************************************************************************/
int QspiFlashIntrExample(XScuGic *IntcInstancePtr, XQspiPs *QspiInstancePtr,
			 u16 QspiDeviceId, u16 QspiIntrId)
{
	int Status;
	u8 *BufferPtr;
	u8 UniqueValue;
	int Count;
	int Page;
	XQspiPs_Config *QspiConfig;

	/*
	 * Initialize the QSPI driver so that it's ready to use
	 */
	QspiConfig = XQspiPs_LookupConfig(QspiDeviceId);
	if (NULL == QspiConfig) {
		return XST_FAILURE;
	}

	Status = XQspiPs_CfgInitialize(QspiInstancePtr, QspiConfig,
					QspiConfig->BaseAddress);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Perform a self-test to check hardware build
	 */
	Status = XQspiPs_SelfTest(QspiInstancePtr);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Connect the Qspi device to the interrupt subsystem such that
	 * interrupts can occur. This function is application specific
	 */
	Status = QspiSetupIntrSystem(IntcInstancePtr, QspiInstancePtr,
				     QspiIntrId);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Setup the handler for the QSPI that will be called from the
	 * interrupt context when an QSPI status occurs, specify a pointer to
	 * the QSPI driver instance as the callback reference so the handler is
	 * able to access the instance data
	 */
	XQspiPs_SetStatusHandler(QspiInstancePtr, QspiInstancePtr,
				 (XQspiPs_StatusHandler) QspiHandler);

	/*
	 * Set Manual Start and Manual Chip select options and drive the
	 * HOLD_B high.
	 */
	XQspiPs_SetOptions(QspiInstancePtr, XQSPIPS_FORCE_SSELECT_OPTION |
				XQSPIPS_MANUAL_START_OPTION |
				XQSPIPS_HOLD_B_DRIVE_OPTION);

	/*
	 * Set the operating clock frequency using the clock divider
	 */
	XQspiPs_SetClkPrescaler(QspiInstancePtr, XQSPIPS_CLK_PRESCALE_8);

	/*
	 * Assert the FLASH chip select
	 */
	XQspiPs_SetSlaveSelect(QspiInstancePtr);

	/*
	 * Initialize the write buffer for a pattern to write to the FLASH
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < PAGE_SIZE;
	     Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue + Test);
	}

	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	FlashReadID();

	/*
	 * Erase the flash.
	 */
	FlashErase(QspiInstancePtr, TEST_ADDRESS, MAX_DATA);

	/*
	 * Write the data in the write buffer to the serial FLASH a page at a
	 * time, starting from TEST_ADDRESS
	 */
	for (Page = 0; Page < PAGE_COUNT; Page++) {
		FlashWrite(QspiInstancePtr, (Page * PAGE_SIZE) + TEST_ADDRESS,
			   PAGE_SIZE, WRITE_CMD);
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Normal Read
	 * command.
	 */
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Fast Read
	 * command
	 */
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, FAST_READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET + DUMMY_SIZE];
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Dual Read
	 * command
	 */
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, DUAL_READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET + DUMMY_SIZE];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Quad Read
	 * command
	 */
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, QUAD_READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET + DUMMY_SIZE];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Set Auto Start and Manual Chip select options and drive the
	 * HOLD_B high.
	 */
	XQspiPs_SetOptions(QspiInstancePtr, XQSPIPS_FORCE_SSELECT_OPTION |
				XQSPIPS_HOLD_B_DRIVE_OPTION);

	/*
	 * Initialize the write buffer for a pattern to write to the FLASH
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < PAGE_SIZE;
	     Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue + Test);
	}

	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/*
	 * Erase the flash.
	 */
	FlashErase(QspiInstancePtr, TEST_ADDRESS, MAX_DATA);

	/*
	 * Write the data in the write buffer to the serial FLASH a page at a
	 * time, starting from TEST_ADDRESS
	 */
	for (Page = 0; Page < PAGE_COUNT; Page++) {
		FlashWrite(QspiInstancePtr, (Page * PAGE_SIZE) + TEST_ADDRESS,
			   PAGE_SIZE, WRITE_CMD);
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Normal Read
	 * command.
	 */
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Fast Read
	 * command
	 */
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, FAST_READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET + DUMMY_SIZE];
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Dual Read
	 * command
	 */
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, DUAL_READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET + DUMMY_SIZE];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Quad Read
	 * command
	 */
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MAX_DATA, QUAD_READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET + DUMMY_SIZE];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
	     Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	QspiDisableIntrSystem(IntcInstancePtr, QspiIntrId);
	return XST_SUCCESS;
}
コード例 #10
0
ファイル: main.c プロジェクト: ChrisAtHypnocube/FlashWrecker
int main(void)
{
    Initialize();

    sprintf(text,"\r\n\r\nHypnocube FLASH destroyer %d.%d\r\n",VERSION>>4, VERSION&15);    
    PrintSerial(text);

    sprintf(text,"Testing %d frames of %d bytes each.\r\n",FRAMES,WORDS_PER_FRAME*4);
    PrintSerial(text);

    sprintf(text,"Flash starts at 0x%08x.\r\n",FlashData);
    PrintSerial(text);

    int frame = 0;
    int ramFrame = -1;
    int i;
    uint32_t errors = 0;

    WriteCoreTimer(0);
    while (1)
    {
        uint32_t startOffset = WORDS_PER_FRAME*frame;

        if (ramFrame != frame)
        {
            InitRamFrame();
            ramFrame = frame;
        }

        ++passes[frame];

        // message for start
        uint32_t time = ReadCoreTimer();
        sprintf(text,"Pass %d, frame %d, offset %08x, time %08x, errors %d\r\n",
                passes[frame],frame,startOffset,time,errors
                );
        PrintSerial(text);

        // erase frame
        if (!FlashErase(startOffset,WORDS_PER_FRAME))
            PrintSerial("ERROR: flash erase failed.\r\n");

        // check all entries are FLASH_ERASED_WORD_VALUE
        for (i = 0; i < WORDS_PER_FRAME; ++i)
        {
            uint32_t word = FlashRead(startOffset+i);
            if (ramBufferErased[i] != word)
            { // an error, output, and set buffer
                OutputError('E',startOffset+i,word,ramBufferErased[i]);
                ramBufferErased[i] = word;
                ++errors;
            }
        }

        // write all ~FLASH_ERASED_WORD_VALUE
        for (i = 0; i < WORDS_PER_FRAME; ++i)
        {
            if (!FlashWrite(startOffset+i,~(FLASH_ERASED_WORD_VALUE)))
            {
                snprintf(text,TEXT_SIZE,"ERROR: flash write failed ar offset %08X.\r\n",startOffset+i);
                PrintSerial(text);
            }
        }

        // check all entries are FLASH_ERASED_WORD_VALUE
        for (i = 0; i < WORDS_PER_FRAME; ++i)
        {
            uint32_t word = FlashRead(startOffset+i);
            if (ramBufferWritten[i] != word)
            { // an error, output, and set buffer
                OutputError('W',startOffset+i,word,ramBufferWritten[i]);
                ramBufferWritten[i] = word;
                ++errors;
            }
        }

        // check if frame changed
        uint8_t byte;
        if (UARTReadByte(&byte))
        {
            snprintf(text,TEXT_SIZE,"Command received %c [%02x].\r\n",byte,byte);
            PrintSerial(text);
            if ('0' <= byte && byte <= FRAMES+'0'-1)
            { // change frame
                frame = byte-'0';
                snprintf(text,TEXT_SIZE,"Switching to frame %d.\r\n",frame);
                PrintSerial(text);
            }
            if (byte == 'q')
                break;
        }
    }

    PrintSerial("Quitting...\r\n");
    return 0;
}
コード例 #11
0
/*****************************************************************************
*
* The purpose of this function is to illustrate how to use the XSpiPs
* device driver in polled mode. This function writes and reads data
* from a serial flash.
*
* @param	SpiPtr is a pointer to the SPI driver instance to use.
*
* @param	SpiDeviceId is the Instance Id of SPI in the system.
*
* @return
*		- XST_SUCCESS if successful
*		- XST_FAILURE if not successful
*
* @note
*
* If the device slave select is not correct and the device is not responding
* on bus it will read a status of 0xFF for the status register as the bus
* is pulled up.
*
*****************************************************************************/
int SpiPsFlashPolledExample(XSpiPs *SpiInstancePtr,
			 u16 SpiDeviceId)
{
	int Status;
	u8 *BufferPtr;
	u8 UniqueValue;
	u32 Count;
	XSpiPs_Config *SpiConfig;

	/*
	 * Initialize the SPI driver so that it's ready to use
	 */
	SpiConfig = XSpiPs_LookupConfig(SpiDeviceId);
	if (NULL == SpiConfig) {
		return XST_FAILURE;
	}

	Status = XSpiPs_CfgInitialize(SpiInstancePtr, SpiConfig,
					SpiConfig->BaseAddress);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Perform a self-test to check hardware build
	 */
	Status = XSpiPs_SelfTest(SpiInstancePtr);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Set the SPI device as a master with manual start and manual
	 * chip select mode options
	 */
	XSpiPs_SetOptions(SpiInstancePtr, XSPIPS_MANUAL_START_OPTION | \
			XSPIPS_MASTER_OPTION | XSPIPS_FORCE_SSELECT_OPTION);

	/*
	 * Set the SPI device pre-scalar to divide by 8
	 */
	XSpiPs_SetClkPrescaler(SpiInstancePtr, XSPIPS_CLK_PRESCALE_8);

	memset(WriteBuffer, 0x00, sizeof(WriteBuffer));
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/*
	 * Initialize the write buffer for a pattern to write to the Flash
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
		 Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue);
	}

	/*
	 * Set the flash chip select
	 */
	XSpiPs_SetSlaveSelect(SpiInstancePtr, FLASH_SPI_SELECT);

	/*
	 * Read the flash Id
	 */
	Status = FlashReadID();
	if (Status != XST_SUCCESS) {
		xil_printf("SPI Flash Polled Example Read ID Failed\r\n");
		return XST_FAILURE;
	}
	/*
	 * Erase the flash
	 */
	FlashErase(SpiInstancePtr);

	TestAddress = 0x0;
	/*
	 * Write the data in the write buffer to TestAddress in serial flash
	 */
	FlashWrite(SpiInstancePtr, TestAddress, MAX_DATA, WRITE_CMD);

	/*
	 * Read the contents of the flash from TestAddress of size MAX_DATA
	 * using Normal Read command
	 */
	FlashRead(SpiInstancePtr, TestAddress, MAX_DATA, READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			 Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue)) {
			return XST_FAILURE;
		}
	}

	memset(WriteBuffer, 0x00, sizeof(WriteBuffer));
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/*
	 * Initialize the write buffer for a pattern to write to the Flash
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
		 Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue);
	}

	/*
	 * Set the SPI device as a master with auto start and manual
	 * chip select mode options
	 */
	XSpiPs_SetOptions(SpiInstancePtr, XSPIPS_MASTER_OPTION | \
			XSPIPS_FORCE_SSELECT_OPTION);

	/*
	 * Erase the flash
	 */
	FlashErase(SpiInstancePtr);

	TestAddress = 0x0;
	/*
	 * Write the data in the write buffer to TestAddress in serial flash
	 */
	FlashWrite(SpiInstancePtr, TestAddress, MAX_DATA, WRITE_CMD);


	/*
	 * Read the contents of the flash from TestAddress of size MAX_DATA
	 * using Normal Read command
	 */
	FlashRead(SpiInstancePtr, TestAddress, MAX_DATA, READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			 Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue)) {
			return XST_FAILURE;
		}
	}

	return XST_SUCCESS;
}
コード例 #12
0
/*****************************************************************************
*
* The purpose of this function is to illustrate how to use the XSpiPs
* device driver in interrupt mode. This function writes and reads data
* from a serial FLASH.
*
* @param	None.
*
* @return	XST_SUCCESS if successful else XST_FAILURE.
*
* @note
*
* This function calls other functions which contain loops that may be infinite
* if interrupts are not working such that it may not return. If the device
* slave select is not correct and the device is not responding on bus it will
* read a status of 0xFF for the status register as the bus is pulled up.
*
*****************************************************************************/
int SpiFlashIntrExample(XScuGic *IntcInstancePtr, XSpiPs *SpiInstancePtr,
			 u16 SpiDeviceId, u16 SpiIntrId)
{
	int Status;
	u8 *BufferPtr;
	u8 UniqueValue;
	u32 Count;
	XSpiPs_Config *ConfigPtr;	/* Pointer to Configuration ROM data */
	u32 TempAddress;
	u32 MaxSize = MAX_DATA;
	u32 ChipSelect = FLASH_SPI_SELECT_1;

	if (XGetPlatform_Info() == XPLAT_ZYNQ_ULTRA_MP) {
		MaxSize = 1024 * 10;
		ChipSelect = FLASH_SPI_SELECT_0;	/* Device is on CS 0 */
		SpiIntrId = XPAR_XSPIPS_0_INTR;
	}

	/*
	 * Lookup the device configuration in the temporary CROM table. Use this
	 * configuration info down below when initializing this component.
	 */
	ConfigPtr = XSpiPs_LookupConfig(SpiDeviceId);
	if (ConfigPtr == NULL) {
		return XST_DEVICE_NOT_FOUND;
	}

	XSpiPs_CfgInitialize(SpiInstancePtr, ConfigPtr,
				  ConfigPtr->BaseAddress);

	/* Initialize the XILISF Library */
	XIsf_Initialize(&Isf, SpiInstancePtr, ChipSelect,
                       IsfWriteBuffer);

	XIsf_SetTransferMode(&Isf, XISF_INTERRUPT_MODE);

	/*
	 * Connect the Spi device to the interrupt subsystem such that
	 * interrupts can occur. This function is application specific
	 */
	Status = SpiSetupIntrSystem(IntcInstancePtr, SpiInstancePtr,
				     SpiIntrId);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Setup the handler for the SPI that will be called from the
	 * interrupt context when an SPI status occurs, specify a pointer to
	 * the SPI driver instance as the callback reference so the handler is
	 * able to access the instance data
	 */
	XIsf_SetStatusHandler(&Isf, SpiInstancePtr,
				 (XSpiPs_StatusHandler) SpiHandler);


	memset(WriteBuffer, 0x00, sizeof(WriteBuffer));
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/* Unprotect Sectors */
	FlashWrite(&Isf, 0, 0, XISF_WRITE_STATUS_REG);

	FlashErase(&Isf, TEST_ADDRESS, MaxSize);

	/*
	 * Initialize the write buffer for a pattern to write to the FLASH
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	TempAddress = TEST_ADDRESS;
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxSize;
		 Count++, UniqueValue++, TempAddress++) {
		WriteBuffer[0] = (u8)(UniqueValue);
		FlashWrite(&Isf, TempAddress, 1, XISF_WRITE);
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Normal Read
	 * command
	 */
	FlashRead(&Isf, TEST_ADDRESS, MaxSize, XISF_READ);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxSize;
			 Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue)) {
			return XST_FAILURE;
		}
	}

	SpiDisableIntrSystem(IntcInstancePtr, SpiIntrId);
	return XST_SUCCESS;
}
コード例 #13
0
int main(int argc, char *argv[])
{
    int opt;
    char options[] = "r:w:f:l:o:c:?";
    int fd, method;
    unsigned char buffer[FLASH_MAX_RW_SIZE];
    int i=0;
    unsigned int    *src;
    unsigned int    *dst;
    unsigned int    value;
    unsigned int    bytes;
    unsigned int    start_addr;
    unsigned int    end_addr;

    if (argc < 3)
    {
        show_usage();
        return 0;
    }

    while ((opt = getopt (argc, argv, options)) != -1)
    {
        switch (opt)
        {
            case 'r':
                dst = (unsigned int *)buffer;
                src = (unsigned int *)strtol(optarg, NULL, 16);
                method = FLASH_IOCTL_READ;
                break;
            case 'w':
                dst = (unsigned int *)strtol(optarg, NULL, 16);
                method = FLASH_IOCTL_WRITE;
                break;
            case 'f':
                start_addr=strtol(optarg, NULL, 16);
                method = FLASH_IOCTL_ERASE;
                break;
            case 'l':
                end_addr=strtol(optarg, NULL, 16);
                method = FLASH_IOCTL_ERASE;
                break;
            case 'c':
                bytes=strtol(optarg,NULL,10);
                if(bytes > FLASH_MAX_RW_SIZE)
                {
                    printf("Too many bytes - %d > %d bytes\n", bytes, FLASH_MAX_RW_SIZE);
                    return 0;
                }
                break;
            case 'o':
                value=strtol(optarg, NULL, 16);
                break;
            case '?':
                show_usage();

        }
    }

    switch(method)
    {
        case FLASH_IOCTL_READ:
            if(FlashRead(dst,src, bytes)<0)
            {
                printf("READ: Out of scope\n");
            }
            else
            {
                for(i=0; i<bytes; i++)
                {
                    printf("%X: %X\n", ((unsigned int)src)+i, buffer[i]);
                }
            }
            break;
        case FLASH_IOCTL_WRITE:
            if(FlashWrite(&value, dst, 1)<0)
            {
                printf("WRITE: Out of scope\n");
            }
            else
            {
                printf("Write %0X to %0X\n", value, dst);
            }
            break;
        case FLASH_IOCTL_ERASE:
            if(end_addr<start_addr)
            {
                printf("ERASE: End addr MUST bigger than Start addr\n");
                break;
            }

            if(FlashErase(start_addr, end_addr)<0)
            {
                printf("ERASE: Out of scope\n");
            }
            else
            {
                printf("Erase Addr From %0X To %0X\n",start_addr, end_addr);
            }
            break;
    }

    return 0;


}
コード例 #14
0
ファイル: c2082.c プロジェクト: mambrus/bitfire
/*******************************************************************************
Function:     ReturnType Flash( InstructionType insInstruction, ParameterType *fp )
Arguments:    insInstruction is an enum which contains all the available Instructions 
    of the SW driver.
              fp is a (union) parameter struct for all Flash Instruction parameters
Return Value: The function returns the following conditions: 

   Flash_AddressInvalid, 
   Flash_MemoryOverflow, 
   Flash_PageEraseFailed, 
   Flash_PageNrInvalid, 
   Flash_SectorNrInvalid, 
   Flash_FunctionNotSupported,
   Flash_NoInformationAvailable,
   Flash_OperationOngoing, 
   Flash_OperationTimeOut, 
   Flash_ProgramFailed, 
   Flash_SpecificError,
   Flash_Success, 
   Flash_WrongType

Description:  This function is used to access all functions provided with the
   current Flash device.

Pseudo Code:
   Step 1: Select the right action using the insInstruction parameter
   Step 2: Execute the Flash memory Function
   Step 3: Return the Error Code
*******************************************************************************/
ReturnType Flash( InstructionType insInstruction, ParameterType *fp ) { 
    ReturnType  rRetVal;
	ST_uint8  ucStatusRegister;
    ST_uint16 ucDeviceIdentification;
#ifdef USE_JEDEC_STANDARD_TWO_BYTE_SIGNATURE
    ST_uint8  ucManufacturerIdentification;
#endif 
   switch (insInstruction) {
      case WriteEnable: 
           rRetVal = FlashWriteEnable( ); 
           break; 

      case WriteDisable: 
           rRetVal = FlashWriteDisable( );
           break; 
            
      case ReadDeviceIdentification: 
           rRetVal = FlashReadDeviceIdentification(&ucDeviceIdentification);
           (*fp).ReadDeviceIdentification.ucDeviceIdentification = ucDeviceIdentification;
           break; 

#ifdef USE_JEDEC_STANDARD_TWO_BYTE_SIGNATURE
      case ReadManufacturerIdentification: 
           rRetVal = FlashReadManufacturerIdentification(&ucManufacturerIdentification);
           (*fp).ReadManufacturerIdentification.ucManufacturerIdentification = ucManufacturerIdentification;
           break; 
#endif

      case ReadStatusRegister:
            rRetVal = FlashReadStatusRegister(&ucStatusRegister);
           (*fp).ReadStatusRegister.ucStatusRegister = ucStatusRegister;
           break;

      case WriteStatusRegister:
           ucStatusRegister = (*fp).WriteStatusRegister.ucStatusRegister;
            rRetVal = FlashWriteStatusRegister(ucStatusRegister);
           break;

      case Read: 
           rRetVal = FlashRead( (*fp).Read.udAddr,
                                (*fp).Read.pArray,
                                (*fp).Read.udNrOfElementsToRead
                              ); 
           break; 

      case FastRead:
           rRetVal = FlashFastRead( (*fp).Read.udAddr,
                                    (*fp).Read.pArray,
                                    (*fp).Read.udNrOfElementsToRead
                                  ); 
           break;
 
      case PageProgram:
           rRetVal = FlashProgram( (*fp).PageProgram.udAddr,
                                 (*fp).PageProgram.pArray,
                                 (*fp).PageProgram.udNrOfElementsInArray
                               );  
           break;
           
      case SectorErase: 
           rRetVal = FlashSectorErase((*fp).SectorErase.ustSectorNr ); 
           break; 
           
	   case SubSectorErase: 
		   rRetVal = FlashSubSectorErase((*fp).SubSectorErase.ustSectorNr ); 
		   break; 
	   
	   case BulkErase: 
           rRetVal = FlashBulkErase( ); 
           break; 


 #ifndef NO_DEEP_POWER_DOWN_SUPPORT
      case DeepPowerDown:
           rRetVal = FlashDeepPowerDown( );                 
           break;
	  
      case ReleaseFromDeepPowerDown:
           rRetVal = FlashReleaseFromDeepPowerDown( );                 
           break;
#endif

      case Program:
           rRetVal = FlashProgram( (*fp).Program.udAddr,
                                   (*fp).Program.pArray,
                                   (*fp).Program.udNrOfElementsInArray);                 
           break;
           
       default:
           rRetVal = Flash_FunctionNotSupported;
           break;

   } /* EndSwitch */
   return rRetVal;
} /* EndFunction Flash */
コード例 #15
0
/**
* The purpose of this function is to illustrate how to use the XQspiPs
* device driver in interrupt mode. This function writes and reads data
* from a serial FLASH.
*
* @return	XST_SUCCESS if successful else XST_FAILURE.
*
* @note
*
* This function calls other functions which contain loops that may be infinite
* if interrupts are not working such that it may not return. If the device
* slave select is not correct and the device is not responding on bus it will
* read a status of 0xFF for the status register as the bus is pulled up.
*
*****************************************************************************/
int QspiFlashPollExample(XScuGic *IntcInstancePtr, XQspiPs *QspiInstancePtr,
			 u16 QspiDeviceId, u16 QspiIntrId)
{
	u8 *BufferPtr;
	u8 UniqueValue;
	int Count;
	int Page;
	int Status;
    	u32 Options;

	/*
	* Lookup the device configuration in the temporary CROM table. Use this
	* configuration info down below when initializing this component.
	*/
	ConfigPtr = XQspiPs_LookupConfig(QspiDeviceId);
	if (ConfigPtr == NULL) {
		return XST_DEVICE_NOT_FOUND;
	}

	Status = XQspiPs_CfgInitialize(QspiInstancePtr, ConfigPtr,
			ConfigPtr->BaseAddress);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Set the QSPI options
	 */
	Options = XQSPIPS_FORCE_SSELECT_OPTION |
			XQSPIPS_MANUAL_START_OPTION |
			XQSPIPS_HOLD_B_DRIVE_OPTION;
	XIsf_SetSpiConfiguration(&Isf, QspiInstancePtr, Options,
			XISF_SPI_PRESCALER);

	if(ConfigPtr->ConnectionMode == XQSPIPS_CONNECTION_MODE_STACKED) {
			/*
			 * Enable two flash memories, Shared bus
			 * (NOT separate bus), L_PAGE selected by default
		 	 */
			XQspiPs_SetLqspiConfigReg(QspiInstancePtr,
						DUAL_STACK_CONFIG_WRITE);
	}

	if(ConfigPtr->ConnectionMode == XQSPIPS_CONNECTION_MODE_PARALLEL) {
			/*
			 * Enable two flash memories on separate buses
			 */
			XQspiPs_SetLqspiConfigReg(QspiInstancePtr,
						DUAL_QSPI_CONFIG_WRITE);
	}

	/* Initialize the XILISF Library */
	XIsf_Initialize(&Isf, QspiInstancePtr, FLASH_QSPI_SELECT,
				   IsfWriteBuffer);

	/*
	 * Initialize the write buffer for a pattern to write to the FLASH
	 * and the read buffer to zero so it can be verified after the read,
	 * the test value that is added to the unique value allows the value
	 * to be changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < PAGE_SIZE;
		Count++, UniqueValue++) {
		WriteBuffer[Count] = (u8)(UniqueValue + Test_Polled);
	}
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));


	Status = FlashErase(&Isf, TEST_ADDRESS, MAX_DATA);
	if(Status != XST_SUCCESS){
		return XST_FAILURE;
	}

	/*
	 * Write the data in the write buffer to the serial FLASH a page at a
	 * time, starting from TEST_ADDRESS
	 */

	for (Page = 0; Page < PAGE_COUNT; Page++) {
		Status = FlashWrite(&Isf,
			(Page * PAGE_SIZE) + TEST_ADDRESS, PAGE_SIZE,
				XISF_QUAD_IP_PAGE_WRITE);
		if(Status != XST_SUCCESS){
			return XST_FAILURE;
		}
	}

	/******************************************************
	 **********************NORMAL READ*********************
	 ******************************************************/

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Normal Read
	 * command
	 */
	Status = FlashRead(&Isf, TEST_ADDRESS, MAX_DATA, XISF_READ);
	if(Status != XST_SUCCESS){
		return XST_FAILURE;
	}

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
		 */
	BufferPtr = ReadBuffer;
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test_Polled)) {
			return XST_FAILURE;
		}
	}


	/******************************************************
	 **********************FAST READ***********************
	 ******************************************************/

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Fast Read
	 * command
	 */
	Status = FlashRead(&Isf, TEST_ADDRESS, MAX_DATA,
							XISF_FAST_READ);
	if(Status != XST_SUCCESS){
		return XST_FAILURE;
	}

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */

	BufferPtr = ReadBuffer;
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test_Polled)) {
			return XST_FAILURE;
		}
	}


	/******************************************************
	 ******************DUAL OP FAST READ*******************
	 ******************************************************/

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using DUAL OP
	 * Fast Read command
	 */
	Status = FlashRead(&Isf, TEST_ADDRESS, MAX_DATA,
						XISF_DUAL_OP_FAST_READ);
	if(Status != XST_SUCCESS){
		return XST_FAILURE;
	}

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */

	BufferPtr = ReadBuffer;
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			Count++, UniqueValue++) {

		if (BufferPtr[Count] != (u8)(UniqueValue + Test_Polled)) {
			return XST_FAILURE;
		}
	}

	/******************************************************
	 ******************QUAD IO FAST READ*******************
	 ******************************************************/

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using QUAD IO
	 * Fast Read command
	 */
	Status = FlashRead(&Isf, TEST_ADDRESS, MAX_DATA,
						XISF_QUAD_OP_FAST_READ);
	if(Status != XST_SUCCESS){
		return XST_FAILURE;
	}

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */

	BufferPtr = ReadBuffer;
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue + Test_Polled)) {
			return XST_FAILURE;
		}
	}

	return XST_SUCCESS;
}
コード例 #16
0
ファイル: Protocol.cpp プロジェクト: Advi42/XCSoar
bool
IMI::FlightDownload(Port &port, const RecordedFlightInfo &flight_info,
                    Path path, OperationEnvironment &env)
{
  if (!_connected)
    return false;

  MessageParser::Reset();

  Flight flight;
  if (!FlashRead(port, &flight, flight_info.internal.imi, sizeof(flight), env))
    return false;

  FILE *fileIGC = _tfopen(path.c_str(), _T("w+b"));
  if (fileIGC == nullptr)
    return false;

  unsigned fixesCount = COMM_MAX_PAYLOAD_SIZE / sizeof(Fix);
  Fix *fixBuffer = (Fix*)malloc(sizeof(Fix) * fixesCount);
  if (fixBuffer == nullptr)
    return false;

  bool ok = true;

  WriteHeader(flight.decl, flight.signature.tampered, fileIGC);

  int noenl = 0;
  if ((flight.decl.header.sensor & IMINO_ENL_MASK) != 0)
    noenl = 1;

  unsigned address = flight_info.internal.imi + sizeof(flight);

  unsigned fixesRemains = flight.finish.fixes;
  while (ok && fixesRemains) {
    unsigned fixesToRead = fixesRemains;
    if (fixesToRead > fixesCount)
      fixesToRead = fixesCount;

    if (!FlashRead(port, fixBuffer, address, fixesToRead * sizeof(Fix), env))
      ok = false;

    for (unsigned i = 0; ok && i < fixesToRead; i++) {
      const Fix *pFix = fixBuffer + i;
      if (IMIIS_FIX(pFix->id))
        WriteFix(*pFix, false, noenl, fileIGC);
    }

    address = address + fixesToRead * sizeof(Fix);
    fixesRemains -= fixesToRead;

    if (env.IsCancelled())
      // canceled by user
      ok = false;
  }

  free(fixBuffer);

  if (ok)
    WriteSignature(flight.signature, flight.decl.header.sn, fileIGC);

  fclose(fileIGC);

  if (!ok)
    File::Delete(Path(path));

  return ok;
}
コード例 #17
0
int SpiFlashPolledExample(XSpiPs *SpiInstancePtr,
			 u16 SpiDeviceId)
{
	u8 *BufferPtr;
	u8 UniqueValue;
	u32 Count;
	XSpiPs_Config *ConfigPtr;	/* Pointer to Configuration ROM data */
	u32 TempAddress;

	/*
	 * Lookup the device configuration in the temporary CROM table. Use this
	 * configuration info down below when initializing this component.
	 */
	ConfigPtr = XSpiPs_LookupConfig(SpiDeviceId);
	if (ConfigPtr == NULL) {
		return XST_DEVICE_NOT_FOUND;
	}

	XSpiPs_CfgInitialize(SpiInstancePtr, ConfigPtr,
				  ConfigPtr->BaseAddress);

	/* Initialize the XILISF Library */
	XIsf_Initialize(&Isf, SpiInstancePtr, FLASH_SPI_SELECT,
					   IsfWriteBuffer);

	memset(WriteBuffer, 0x00, sizeof(WriteBuffer));
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/* Unprotect Sectors */
	FlashWrite(&Isf, 0, 0, XISF_WRITE_STATUS_REG);

	FlashErase(&Isf, TEST_ADDRESS, MAX_DATA);

	/*
	 * Initialize the write buffer for a pattern to write to the FLASH
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	TempAddress = TEST_ADDRESS;
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
		 Count++, UniqueValue++, TempAddress++) {
		WriteBuffer[0] = (u8)(UniqueValue);
		FlashWrite(&Isf, TempAddress, 1, XISF_WRITE);
	}

	/*
	 * Read the contents of the FLASH from TEST_ADDRESS, using Normal Read
	 * command
	 */
	FlashRead(&Isf, TEST_ADDRESS, MAX_DATA, XISF_READ);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];

	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MAX_DATA;
			 Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue)) {
			return XST_FAILURE;
		}
	}

	return XST_SUCCESS;
}
コード例 #18
0
ファイル: Flash.c プロジェクト: blackyblack/FlashBasedEeprom
//инициализация IAP. Поиск самого нового сектора для записи
//В случае наличия сбойных секторов будет восстановлен предыдущий сохраненный сектор. Валидный сектор
//должен иметь сигнатуру, счётчик секторов и контрольную сумму.
//Если нет ни одного валидного сектора, то данные будут восстановлены из первого сектора и все
//настройки из protected_eeprom будут установлены по умолчанию
void FlashInit()
{    
  int current_sector_i;
  int current_sector_f;
  int i;

  INT16U ee_cnt_int;
  INT16U min_ee_cnt;
  INT16U current_ee_cnt;
  int min_sector_num;
  BOOL has_valid_sectors;
  unsigned char ee_cnt[2];
  unsigned char ee_version[EEPROM_VER_LENGTH];
  
  has_valid_sectors = DEF_FALSE;
  min_ee_cnt = EE_MAX_CNT;
  
  //проходим по всем секторам в поисках валидного и самого нового сектора
  //если есть одновременно сектора со счётчиками EE_MIN_CNT и EE_MAX_CNT, то считаем, что
  //самый новый сектор - это от EE_MIN_CNT до максимального с шагом 1. Если шаг изменился, то
  //дальше не считаем.
  for(current_sector_i = EE_FIRST_SECTOR; current_sector_i <= EE_LAST_SECTOR; current_sector_i++)
  {
    FlashRead(current_sector_i, eeprom_version, ee_version, EEPROM_VER_LENGTH);
    
    if(strncmp((char const *)ee_version, (char const *)eeprom_version_flash, EEPROM_VER_LENGTH) != 0)
      continue;
    
    if(!FlashCheckCrc(current_sector_i))
      continue;
    
    FlashRead(current_sector_i, eeprom_cnt, ee_cnt, 2);
    
    ee_cnt_int = ((ee_cnt[0] & 0xFF) + ((ee_cnt[1] & 0xFF) << 8));
    
    //invalid flash sector
    if((ee_cnt_int == EE_INVALID_ZERO) || (ee_cnt_int == EE_INVALID_ONES))
      continue;
    
    has_valid_sectors = DEF_TRUE;
    
    if(ee_cnt_int <= min_ee_cnt)
    {
      min_ee_cnt = ee_cnt_int;
      min_sector_num = current_sector_i;
    }
  }
  
  //нет валидных секторов - пересоздаём всё заново
  if(!has_valid_sectors)
  {  
    current_sector = EE_FIRST_SECTOR;
    current_cnt = EE_MIN_CNT;
    
    FlashCopySectorFromScratch(current_sector, FlashNextSector());
    
    return;
  }
  
  //есть валидные сектора
  
  //Обходим все валидные сектора, начиная с сектора с минимальным счётчиком
  //если следующий сектор имеет счётчик меньше начального или имеет счётчик на 2
  //больший предыдущего, то значит мы обнаружили самый новый сектор флэш
  current_sector_i = min_sector_num;
  current_sector_f = min_sector_num;
  current_ee_cnt = min_ee_cnt;
    
  for(i = EE_FIRST_SECTOR; i <= EE_LAST_SECTOR; i++)
  {    
    FlashRead(current_sector_i, eeprom_version, ee_version, EEPROM_VER_LENGTH);
    
    if(strncmp((char const *)ee_version, (char const *)eeprom_version_flash, EEPROM_VER_LENGTH) != 0)
    {
      if(current_sector_i >= EE_LAST_SECTOR)
      {
        current_sector_i = EE_FIRST_SECTOR;
      }
      else
      {
        current_sector_i++;
      }
      continue;
    }
    
    if(!FlashCheckCrc(current_sector_i))
      continue;
    
    FlashRead(current_sector_i, eeprom_cnt, ee_cnt, 2);
    
    ee_cnt_int = ((ee_cnt[0] & 0xFF) + ((ee_cnt[1] & 0xFF) << 8));
    
    //invalid flash sector
    if((ee_cnt_int == EE_INVALID_ZERO) || (ee_cnt_int == EE_INVALID_ONES))
    {
      if(current_sector_i >= EE_LAST_SECTOR)
      {
        current_sector_i = EE_FIRST_SECTOR;
      }
      else
      {
        current_sector_i++;
      }
      continue;
    }
    
    if(ee_cnt_int < current_ee_cnt)
      break;
    if((ee_cnt_int - current_ee_cnt) > 1)
      break;
    
    current_ee_cnt = ee_cnt_int;
    current_sector_f = current_sector_i;
    
    if(current_sector_i >= EE_LAST_SECTOR)
    {
      current_sector_i = EE_FIRST_SECTOR;
    }
    else
    {
      current_sector_i++;
    }
  }

  //определен первый сектор во флэш
  current_sector = current_sector_f;
  current_cnt = current_ee_cnt;
}
コード例 #19
0
/*****************************************************************************
*
* The purpose of this function is to illustrate how to use the XQspiPs
* device driver in single, parallel and stacked modes using
* flash devices greater than 128Mb.
* This function reads and writes data in I/O mode.
*
* @param	None.
*
* @return	XST_SUCCESS if successful, else XST_FAILURE.
*
* @note		None.
*
*****************************************************************************/
int QspiG128FlashExample(XQspiPs *QspiInstancePtr, u16 QspiDeviceId)
{
	int Status;
	u8 UniqueValue;
	int Count;
	int Page;
	XQspiPs_Config *QspiConfig;

	/*
	 * Initialize the QSPI driver so that it's ready to use
	 */
	QspiConfig = XQspiPs_LookupConfig(QspiDeviceId);
	if (NULL == QspiConfig) {
		return XST_FAILURE;
	}

	Status = XQspiPs_CfgInitialize(QspiInstancePtr, QspiConfig,
					QspiConfig->BaseAddress);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Perform a self-test to check hardware build
	 */
	Status = XQspiPs_SelfTest(QspiInstancePtr);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}



	/*
	 * Set the pre-scaler for QSPI clock
	 */
	XQspiPs_SetClkPrescaler(QspiInstancePtr, XQSPIPS_CLK_PRESCALE_8);

	/*
	 * Set Manual Start and Manual Chip select options and drive the
	 * HOLD_B high.
	 */
	XQspiPs_SetOptions(QspiInstancePtr, XQSPIPS_FORCE_SSELECT_OPTION |
					     XQSPIPS_MANUAL_START_OPTION |
					     XQSPIPS_HOLD_B_DRIVE_OPTION);
	if(QspiConfig->ConnectionMode == XQSPIPS_CONNECTION_MODE_STACKED) {
		/*
		 * Enable two flash memories, Shared bus (NOT separate bus),
		 * L_PAGE selected by default
	 	 */
		XQspiPs_SetLqspiConfigReg(QspiInstancePtr, DUAL_STACK_CONFIG_WRITE);
	}

	if(QspiConfig->ConnectionMode == XQSPIPS_CONNECTION_MODE_PARALLEL) {
		/*
		 * Enable two flash memories on separate buses
		 */
		XQspiPs_SetLqspiConfigReg(QspiInstancePtr, DUAL_QSPI_CONFIG_WRITE);
	}

	/*
	 * Assert the Flash chip select.
	 */
	XQspiPs_SetSlaveSelect(QspiInstancePtr);

	/*
	 * Read flash ID and obtain all flash related information
	 * It is important to call the read id function before
	 * performing proceeding to any operation, including
	 * preparing the WriteBuffer
	 */
	FlashReadID(QspiInstancePtr, WriteBuffer, ReadBuffer);

	/*
	 * Initialize MaxData according to page size.
	 */
	MaxData = PAGE_COUNT * (Flash_Config_Table[FCTIndex].PageSize);


	/*
	 * Initialize the write buffer for a pattern to write to the Flash
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0;
			Count < Flash_Config_Table[FCTIndex].PageSize;
			Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue + Test);
	}
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));


	/*
	 * Erase the flash.
	 */
	FlashErase(QspiInstancePtr, TEST_ADDRESS, MaxData, WriteBuffer);

	/*
	 * Write the data in the write buffer to the serial Flash a page at a
	 * time, starting from TEST_ADDRESS
	 */
	for (Page = 0; Page < PAGE_COUNT; Page++) {
		FlashWrite(QspiInstancePtr,
			(Page * Flash_Config_Table[FCTIndex].PageSize) + TEST_ADDRESS,
			Flash_Config_Table[FCTIndex].PageSize, WRITE_CMD, WriteBuffer);
	}

	/*
	 * I/O Read - for any flash size
	 */
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MaxData, QUAD_READ_CMD,
				WriteBuffer, ReadBuffer);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxData;
	     Count++, UniqueValue++) {
		if (ReadBuffer[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Initialize the write buffer for a pattern to write to the Flash
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0;
			Count < Flash_Config_Table[FCTIndex].PageSize;
			Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue + Test);
	}
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/*
	 * Set Auto Start and Manual Chip select options and drive the
	 * HOLD_B high.
	 */
	XQspiPs_SetOptions(QspiInstancePtr, XQSPIPS_FORCE_SSELECT_OPTION |
					     XQSPIPS_HOLD_B_DRIVE_OPTION);

	/*
	 * Erase the flash.
	 */
	FlashErase(QspiInstancePtr, TEST_ADDRESS, MaxData, WriteBuffer);

	/*
	 * Write the data in the write buffer to the serial Flash a page at a
	 * time, starting from TEST_ADDRESS
	 */
	for (Page = 0; Page < PAGE_COUNT; Page++) {
		FlashWrite(QspiInstancePtr,
			(Page * Flash_Config_Table[FCTIndex].PageSize) + TEST_ADDRESS,
			Flash_Config_Table[FCTIndex].PageSize, WRITE_CMD, WriteBuffer);
	}

	/*
	 * I/O Read - for any flash size
	 */
	FlashRead(QspiInstancePtr, TEST_ADDRESS, MaxData, QUAD_READ_CMD,
				WriteBuffer, ReadBuffer);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxData;
	     Count++, UniqueValue++) {
		if (ReadBuffer[Count] != (u8)(UniqueValue + Test)) {
			return XST_FAILURE;
		}
	}

	return XST_SUCCESS;
}
コード例 #20
0
/*****************************************************************************
*
* The purpose of this function is to illustrate how to use the XSpiPs
* device driver in interrupt mode. This function writes and reads data
* from a serial flash.
*
* @param	IntcInstancePtr is a pointer to Interrupt Controller instance.
*
* @param	SpiInstancePtr is a pointer to the SPI driver instance to use.
*
* @param	SpiDeviceId is the Instance Id of SPI in the system.
*
* @param	SpiIntrId is the Interrupt Id for SPI in the system.
*
* @param	None.
*
* @return
*		- XST_SUCCESS if successful
*		- XST_FAILURE if not successful
*
* @note
*
* This function calls other functions which contain loops that may be infinite
* if interrupts are not working such that it may not return. If the device
* slave select is not correct and the device is not responding on bus it will
* read a status of 0xFF for the status register as the bus is pulled up.
*
*****************************************************************************/
int SpiPsFlashIntrExample(XScuGic *IntcInstancePtr, XSpiPs *SpiInstancePtr,
			 u16 SpiDeviceId, u16 SpiIntrId)
{
	int Status;
	u8 *BufferPtr;
	u8 UniqueValue;
	u32 Count;
	u32 MaxSize = MAX_DATA;
	u32 ChipSelect = FLASH_SPI_SELECT_1;
	XSpiPs_Config *SpiConfig;

	if (XGetPlatform_Info() == XPLAT_ZYNQ_ULTRA_MP) {
		MaxSize = 1024 * 10;
		ChipSelect = FLASH_SPI_SELECT_0;	/* Device is on CS 0 */
		SpiIntrId = XPAR_XSPIPS_0_INTR;
	}

	/*
	 * Initialize the SPI driver so that it's ready to use
	 */
	SpiConfig = XSpiPs_LookupConfig(SpiDeviceId);
	if (NULL == SpiConfig) {
		return XST_FAILURE;
	}

	Status = XSpiPs_CfgInitialize(SpiInstancePtr, SpiConfig,
					SpiConfig->BaseAddress);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Perform a self-test to check hardware build
	 */
	Status = XSpiPs_SelfTest(SpiInstancePtr);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Connect the Spi device to the interrupt subsystem such that
	 * interrupts can occur. This function is application specific
	 */
	Status = SpiPsSetupIntrSystem(IntcInstancePtr, SpiInstancePtr,
				     SpiIntrId);
	if (Status != XST_SUCCESS) {
		return XST_FAILURE;
	}

	/*
	 * Setup the handler for the SPI that will be called from the
	 * interrupt context when an SPI status occurs, specify a pointer to
	 * the SPI driver instance as the callback reference so the handler is
	 * able to access the instance data
	 */
	XSpiPs_SetStatusHandler(SpiInstancePtr, SpiInstancePtr,
				 (XSpiPs_StatusHandler) SpiPsHandler);

	/*
	 * Set the SPI device as a master with manual start and manual
	 * chip select mode options
	 */
	XSpiPs_SetOptions(SpiInstancePtr, XSPIPS_MANUAL_START_OPTION | \
			XSPIPS_MASTER_OPTION | XSPIPS_FORCE_SSELECT_OPTION);

	/*
	 * Set the SPI device pre-scalar to divide by 8
	 */
	XSpiPs_SetClkPrescaler(SpiInstancePtr, XSPIPS_CLK_PRESCALE_8);

	memset(WriteBuffer, 0x00, sizeof(WriteBuffer));
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/*
	 * Initialize the write buffer for a pattern to write to the flash
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxSize;
	     Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue);
	}

	/*
	 * Assert the flash chip select
	 */
	XSpiPs_SetSlaveSelect(SpiInstancePtr, ChipSelect);

	/*
	 * Read the flash ID
	 */
	Status = FlashReadID(SpiInstancePtr);
	if (Status != XST_SUCCESS) {
		xil_printf("SPI FLASH Interrupt Example Read ID Failed\r\n");
		return XST_FAILURE;
	}

	/*
	 * Erase the flash
	 */
	FlashErase(SpiInstancePtr);

	/*
	 * Write the data in the write buffer to TestAddress in serial flash
	 */
	FlashWrite(SpiInstancePtr, TestAddress, MaxSize, WRITE_CMD);

	/*
	 * Read the contents of the flash from TestAddress of size MAX_DATA
	 * using Normal Read command
	 */
	FlashRead(SpiInstancePtr, TestAddress, MaxSize, READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxSize;
			 Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue)) {
			return XST_FAILURE;
		}
	}

	/*
	 * Set the SPI device as a master with auto start and manual
	 * chip select mode options
	 */
	XSpiPs_SetOptions(SpiInstancePtr, XSPIPS_MASTER_OPTION | \
			XSPIPS_FORCE_SSELECT_OPTION);

	memset(WriteBuffer, 0x00, sizeof(WriteBuffer));
	memset(ReadBuffer, 0x00, sizeof(ReadBuffer));

	/*
	 * Initialize the write buffer for a pattern to write to the flash
	 * and the read buffer to zero so it can be verified after the read, the
	 * test value that is added to the unique value allows the value to be
	 * changed in a debug environment to guarantee
	 */
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxSize;
	     Count++, UniqueValue++) {
		WriteBuffer[DATA_OFFSET + Count] = (u8)(UniqueValue);
	}

	/*
	 * Erase the flash
	 */
	FlashErase(SpiInstancePtr);

	/*
	 * Write the data in the write buffer to TestAddress in serial flash
	 */
	FlashWrite(SpiInstancePtr, TestAddress, MaxSize, WRITE_CMD);

	/*
	 * Read the contents of the flash from TestAddress of size MAX_DATA
	 * using Normal Read command
	 */
	FlashRead(SpiInstancePtr, TestAddress, MaxSize, READ_CMD);

	/*
	 * Setup a pointer to the start of the data that was read into the read
	 * buffer and verify the data read is the data that was written
	 */
	BufferPtr = &ReadBuffer[DATA_OFFSET];
	for (UniqueValue = UNIQUE_VALUE, Count = 0; Count < MaxSize;
			 Count++, UniqueValue++) {
		if (BufferPtr[Count] != (u8)(UniqueValue)) {
			return XST_FAILURE;
		}
	}

	SpiPsDisableIntrSystem(IntcInstancePtr, SpiIntrId);
	return XST_SUCCESS;
}
コード例 #21
0
ファイル: qspi.c プロジェクト: IngenicC/cloud-rtr
/**
*
* This function provides the QSPI FLASH interface for the Simplified header
* functionality.
*
* @param	SourceAddress is address in FLASH data space
* @param	DestinationAddress is address in DDR data space
* @param	LengthBytes is the length of the data in Bytes
*
* @return
*		- XST_SUCCESS if the write completes correctly
*		- XST_FAILURE if the write fails to completes correctly
*
* @note	none.
*
****************************************************************************/
u32 QspiAccess( u32 SourceAddress, u32 DestinationAddress, u32 LengthBytes)
{
	u8	*BufferPtr;
	u32 Length = 0;
	u32 BankSel = 0;
	u32 LqspiCrReg;
	u32 Status;
	u8 BankSwitchFlag = 1;

	/*
	 * Linear access check
	 */
	if (LinearBootDeviceFlag == 1) {
		/*
		 * Check for non-word tail, add bytes to cover the end
		 */
		if ((LengthBytes%4) != 0){
			LengthBytes += (4 - (LengthBytes & 0x00000003));
		}

		memcpy((void*)DestinationAddress,
		      (const void*)(SourceAddress + FlashReadBaseAddress),
		      (size_t)LengthBytes);
	} else {
		/*
		 * Non Linear access
		 */
		BufferPtr = (u8*)DestinationAddress;

		/*
		 * Dual parallel connection actual flash is half
		 */
		if (XPAR_PS7_QSPI_0_QSPI_MODE == DUAL_PARALLEL_CONNECTION) {
			SourceAddress = SourceAddress/2;
		}

		while(LengthBytes > 0) {
			/*
			 * Local of DATA_SIZE size used for read/write buffer
			 */
			if(LengthBytes > DATA_SIZE) {
				Length = DATA_SIZE;
			} else {
				Length = LengthBytes;
			}

			/*
			 * Dual stack connection
			 */
			if (XPAR_PS7_QSPI_0_QSPI_MODE == DUAL_STACK_CONNECTION) {
				/*
				 * Get the current LQSPI configuration value
				 */
				LqspiCrReg = XQspiPs_GetLqspiConfigReg(QspiInstancePtr);

				/*
				 * Select lower or upper Flash based on sector address
				 */
				if (SourceAddress >= (QspiFlashSize/2)) {
					/*
					 * Set selection to U_PAGE
					 */
					XQspiPs_SetLqspiConfigReg(QspiInstancePtr,
							LqspiCrReg | XQSPIPS_LQSPI_CR_U_PAGE_MASK);

					/*
					 * Subtract first flash size when accessing second flash
					 */
					SourceAddress = SourceAddress - (QspiFlashSize/2);

					fsbl_printf(DEBUG_INFO, "stacked - upper CS \n\r");

					/*
					 * Assert the FLASH chip select.
					 */
					XQspiPs_SetSlaveSelect(QspiInstancePtr);
				}
			}

			/*
			 * Select bank
			 */
			if ((SourceAddress >= FLASH_SIZE_16MB) && (BankSwitchFlag == 1)) {
				BankSel = SourceAddress/FLASH_SIZE_16MB;

				fsbl_printf(DEBUG_INFO, "Bank Selection %d\n\r", BankSel);

				Status = SendBankSelect(BankSel);
				if (Status != XST_SUCCESS) {
					fsbl_printf(DEBUG_INFO, "Bank Selection Failed\n\r");
					return XST_FAILURE;
				}

				BankSwitchFlag = 0;
			}

			/*
			 * If data to be read spans beyond the current bank, then
			 * calculate length in current bank else no change in length
			 */
			if (XPAR_PS7_QSPI_0_QSPI_MODE == DUAL_PARALLEL_CONNECTION) {
				/*
				 * In dual parallel mode, check should be for half
				 * the length.
				 */
				if((SourceAddress & BANKMASK) != ((SourceAddress + (Length/2)) & BANKMASK))
				{
					Length = (SourceAddress & BANKMASK) + FLASH_SIZE_16MB - SourceAddress;
					/*
					 * Above length calculated is for single flash
					 * Length should be doubled since dual parallel
					 */
					Length = Length * 2;
					BankSwitchFlag = 1;
				}
			} else {
				if((SourceAddress & BANKMASK) != ((SourceAddress + Length) & BANKMASK))
				{
					Length = (SourceAddress & BANKMASK) + FLASH_SIZE_16MB - SourceAddress;
					BankSwitchFlag = 1;
				}
			}

			/*
			 * Copying the image to local buffer
			 */
			FlashRead(SourceAddress, Length);

			/*
			 * Moving the data from local buffer to DDR destination address
			 */
			memcpy(BufferPtr, &ReadBuffer[DATA_OFFSET + DUMMY_SIZE], Length);

			/*
			 * Updated the variables
			 */
			LengthBytes -= Length;

			/*
			 * For Dual parallel connection address increment should be half
			 */
			if (XPAR_PS7_QSPI_0_QSPI_MODE == DUAL_PARALLEL_CONNECTION) {
				SourceAddress += Length/2;
			} else {
				SourceAddress += Length;
			}

			BufferPtr = (u8*)((u32)BufferPtr + Length);
		}

		/*
		 * Reset Bank selection to zero
		 */
		Status = SendBankSelect(0);
		if (Status != XST_SUCCESS) {
			fsbl_printf(DEBUG_INFO, "Bank Selection Reset Failed\n\r");
			return XST_FAILURE;
		}

		if (XPAR_PS7_QSPI_0_QSPI_MODE == DUAL_STACK_CONNECTION) {

			/*
			 * Reset selection to L_PAGE
			 */
			XQspiPs_SetLqspiConfigReg(QspiInstancePtr,
					LqspiCrReg & (~XQSPIPS_LQSPI_CR_U_PAGE_MASK));

			fsbl_printf(DEBUG_INFO, "stacked - lower CS \n\r");

			/*
			 * Assert the FLASH chip select.
			 */
			XQspiPs_SetSlaveSelect(QspiInstancePtr);
		}
	}

	return XST_SUCCESS;
}
コード例 #22
0
ファイル: xmodem.c プロジェクト: jirong1983/Xmodem-protocol
PRIVATE uint8 XMODEM_SendFrame(void)  
{                                                 
    sint       i,ch;
    uint16    Check;
    uint8     SendFlag;
    uint8     canCount;
    #ifdef SF_Xmodem
    uint8 SF_Block[128];
	#endif

	xv = &XV;
    SendFlag = FALSE; 
    
    if (xv->PktBufCount==0)
    {
        canCount=0;
        XMODEM_Read1Byte(&ch);
        do
        {
        	#if 1
            if (ch==XV_TIMEOUT)  //frank change to 0xFF
            //if (ch==0xFF)
            {
                xv->XMode=0;
                return XMODEM_TIMEOUT;
            } 
			#endif
            switch (ch&0xff) 
            {   
                case ACK:
                    if(xv->XMode==0)      
                    {
                        pause(10);
                        return (XMODEM_COMPLETED);
                    }
                    else if (xv->PktNumSent==(uint8)(xv->PktNum+1))
                    {
                        xv->PktNum = xv->PktNumSent;
                        if (xv->PktNum==0)
                            xv->PktNumOffset = xv->PktNumOffset + 256;
                        SendFlag = TRUE;
                    }
                    break;

                case NAK:
                    SendFlag = TRUE;
                    break;

                case CAN:
                    if(++canCount>=2) return  XMODEM_ABORT;
                    break;

                case 'C':
                    if ((xv->PktNum==0) && (xv->PktNumOffset==0))
                    {
                        if ((xv->XOption==XoptCheck) && (xv->PktNumSent==0)) 
                            XMODEM_SetOption(XoptCRC);
                        if (xv->XOption!=XoptCheck) 
                            SendFlag = TRUE;
                    }
                    break;
            }
            if (! SendFlag) XMODEM_Read1Byte(&ch);
        } while (!SendFlag);
        
        if (xv->PktNumSent==xv->PktNum) /* make a new packet */
        {
            xv->PktNumSent++;
            if (xv->DataLen==128)
                xv->PktBuf[0] = SOH;
            else
                xv->PktBuf[0] = STX;
            xv->PktBuf[1] = xv->PktNumSent;
            xv->PktBuf[2] = ~ ((uint8)xv->PktNumSent);

            i = 1;
			
            #ifndef SF_Xmodem
            while ((i<=xv->DataLen) && send_length>0)
            {
				xv->PktBuf[2+i] = *send_ptr++;
                i++;
                send_length--;
            }
            #else
            //read 128 bytes or less data from serial flash
            if((i<=xv->DataLen) && send_length>0)
            {
			  while(Flash_Success!= FlashRead((uint32)send_ptr,&xv->PktBuf[2+i],xv->DataLen));
			  {
			    send_ptr += xv->DataLen;
			    i += xv->DataLen;
				send_length -= xv->DataLen;
			  }
            }
            #endif
			
            if (i>1)
            {
                while (i<=xv->DataLen)
                {
                    xv->PktBuf[2+i] = 0x1A;
                    i++;
                }

                Check = XMODEM_CalcCheck(xv->PktBuf);
                if (xv->CheckLen==1) /* Checksum */
                    xv->PktBuf[xv->DataLen+3] = (uint8)Check;
                else 
                {
                    xv->PktBuf[xv->DataLen+3] = (uint8)((Check&0xff00)>>8);
                    xv->PktBuf[xv->DataLen+4] = (uint8)(Check&0xff);
                }
                xv->PktBufCount = 3 + xv->DataLen + xv->CheckLen;
            }
            else
            { /* send EOT */