AWR1642: IWR1843 qspiflash can't get manufacture info.

Have you tried to replicate the code that is in the qspiflash driver? (eg. initializing qspi, reading).  I don't know of any reason why an SBL wouldn't be able to access flash memory.  Can you write known data to a known address (perhaps a flashed image) and read it from the SBL?

  -dave

Hi Dave,

Yes, we've tried to do that.

We try to replicate the code from qspiflash/test_common.c to SBL and MRR application, we always get the same result.

    int32_t         retVal = 0;
    uint32_t        flashAddr = 0U;
    SPIFLASH_devID  devId;
    uint32_t        index;
    uint32_t        testDataLen = 0U;
    uint8_t*        readDataArray;
    QSPI_Params     QSPIParams;
    QSPIFlash_Handle QSPIFlashHandle = NULL;
    uint32_t        dmaChan = 10;
    char            name[16] = {0};
    char            testCase[128];

    /**************************************************************************
     * Test: MCPI_Initialize
     **************************************************************************/
    /* Initialize MCPI logger framework */
    MCPI_Initialize ();

    /* Initialize the QSPI Driver */
    QSPI_init();

    /* Initialize the QSPI Flash */
    QSPIFlash_init();

    /* Open QSPI driver */
    QSPI_Params_init(&QSPIParams);

    /* Set the QSPI peripheral clock to 200MHz  */
    QSPIParams.qspiClk = 200 * 1000000U;

    QSPIParams.clkMode = QSPI_CLOCK_MODE_0;

    /* Running at 40MHz QSPI bit rate
     * QSPI bit clock rate derives from QSPI peripheral clock(qspiClk)
       and divide clock internally down to bit clock rate
       BitClockRate = qspiClk/divisor(=5, setup by QSPI driver internally)
     */
    QSPIParams.bitRate = 40 * 1000000U;

    gQSPIDrv = QSPI_open(&QSPIParams, &retVal);

    if(gQSPIDrv == NULL)
    {
        printf("QSPI_open failed with error=%d\n", retVal);
        goto Exit;
    }

    /**************************************************************************
     * Test: Open API test
     **************************************************************************/

    /* Open the QSPI Instance */
    QSPIFlashHandle = QSPIFlash_open(gQSPIDrv, &retVal);
    if (QSPIFlashHandle == NULL )
    {
        goto Exit;
    }
    else
    {
        /* Graceful shutdown */
        QSPIFlash_close(QSPIFlashHandle);
        System_printf("Debug: QSPIFlash Instance has been closed successfully\n");
    }

    /**************************************************************************
     * Test: Re-open for additional tests
     **************************************************************************/
    QSPIFlashHandle = QSPIFlash_open(gQSPIDrv, &retVal);
    if (QSPIFlashHandle == NULL )
    {
        goto Exit;
    }
    else
    {
    }

    /**************************************************************************
     * Test: Read ID API test
     **************************************************************************/

    /* Get SPI Flash id */
    QSPIFlash_getDeviceID(QSPIFlashHandle, &devId);

    if(devId.Manufacture == SPANSION_DEV)
    {
        snprintf(name, 16, "%s", "SPANSION");
    }
    else if (devId.Manufacture == MACRONIX_DEV)
    {
        snprintf(name, 16, "%s", "MACRONIX");
    }
    else
    {
        snprintf(name, 16, "%s", "UNKNOWN");
    }

    /* Log device information */
    snprintf(testCase, 128, "QSPIFlash Read Id API: Manufacture %s(0x%x), device type = 0x%x, capacity = 0x%x",
        name,
        devId.Manufacture,
        devId.device,
        devId.capacity);