sysgei82543end.c

vxworks的bsp开发包(基于POWERPC的PRPMC800)

            }
        
        /* read back memory base address and IO base address */

        pciConfigInLong (pReso->pciBus, pReso->pciDevice, pReso->pciFunc,
                          PCI_CFG_BASE_ADDRESS_0, &memBaseLow);
        if (pReso->adr64)
            {        
            pciConfigInLong (pReso->pciBus, pReso->pciDevice, pReso->pciFunc,
                              PCI_CFG_BASE_ADDRESS_1, &memBaseHigh);
            pciConfigInLong (pReso->pciBus, pReso->pciDevice, pReso->pciFunc,
                              PCI_CFG_BASE_ADDRESS_2, &flashBase);
            }
        else
            {
            pciConfigInLong (pReso->pciBus, pReso->pciDevice, pReso->pciFunc,
                              PCI_CFG_BASE_ADDRESS_1, &flashBase);
            memBaseHigh = 0x0;
            }

        pciConfigInByte (pReso->pciBus, pReso->pciDevice, pReso->pciFunc,
                          PCI_CFG_DEV_INT_LINE, &irq);

        memBaseLow &= PCI_MEMBASE_MASK;
        flashBase  &= PCI_MEMBASE_MASK;

        /* over write the resource table with read value */

        pReso->memBaseLow   = memBaseLow;
        pReso->memBaseHigh  = memBaseHigh;
        pReso->flashBase    = flashBase;
        pReso->irq          = irq;

        /* enable mapped memory and IO addresses */

        pciConfigOutWord (pReso->pciBus, pReso->pciDevice, pReso->pciFunc,
                           PCI_CFG_COMMAND, PCI_CMD_IO_ENABLE |
                           PCI_CMD_MEM_ENABLE | PCI_CMD_MASTER_ENABLE);
           
        /* compose loadString in endDevTbl for this unit */        

        sys543LoadStrCompose (unit);

        geiUnits++;
        }
    return OK;
    }

/****************************************************************************
*
* sys543LoadStrCompose - Compose the END load string for the device
*
* The END device load string formed by this routine is in the following
* following format.
* <shMemBase>:<shMemSize>:<rxDesNum>:<txDesNum>:<usrFlags>:<offset>
*
* RETURN: N/A
*/

LOCAL void sys543LoadStrCompose
    (
    int unit
    )
    {
    END_TBL_ENTRY *     pDevTbl;

    for (pDevTbl = endDevTbl; pDevTbl->endLoadFunc != END_TBL_END;
         pDevTbl++)
         {
         if (((UINT32)pDevTbl->endLoadFunc == (UINT32)GEI82543_LOAD_FUNC) &&
             (pDevTbl->unit == unit))
             {
             sprintf (pDevTbl->endLoadString,
                     "0x%x:0x%x:0x%x:0x%x:0x%x:%d",

/* This will need to be setup in the original geiResources table. */
		      geiResources [unit].shMemBase,
		      geiResources [unit].shMemSize,
                      geiResources [unit].rxDesNum,  /* RX Descriptor Number*/
                      geiResources [unit].txDesNum,  /* TX Descriptor Number*/
                      geiResources [unit].usrFlags,  /* user's flags */
                      GEI_X86_OFFSET_VALUE           /* offset value */                 
                     );
             return;
             }
          }
     return;
     }

/*****************************************************************************
*
* sys82543BoardInit - Adaptor initialization for 82543 chip
*
* This routine is expected to perform any adapter-specific or target-specific
* initialization that must be done prior to initializing the 82543 chip.
*
* The 82543 driver calls this routine from the driver load routine before
* any other routines.
*
* RETURNS: OK or ERROR
*/

STATUS sys82543BoardInit
    (
    int    unit,                /* unit number */
    ADAPTOR_INFO  *pBoard       /* board information for the GEI driver */
    )
    {
    GEI_RESOURCE *pReso = &geiResources [unit];

    /* sanity check */
    if (unit >= geiUnits)
        return (ERROR);

    if (pReso->boardType !=  PRO1000F_BOARD && 
        pReso->boardType !=  PRO1000T_BOARD)
           return ERROR;

    /* perform EEPROM checksum */

    if (sys543eepromCheckSum (unit) != OK)
        {
        printf ("GEI82543:unit=%d, EEPROM checksum Error!\n", unit);
        }

    /* get the Ethernet Address from eeprom */

    if (sys543EtherAdrGet (unit) != OK)
        {
        printf ("GEI82543:unit=%d, Invalid Ethernet Address!\n", unit);
        }       

    /* get the initialization control word 1 (ICW1) in EEPROM */

    geiResources[unit].eeprom_icw1 = sys543eepromReadWord (unit, EEPROM_ICW1);

    /* get the initialization control word 2 (ICW2) in EEPROM */

    geiResources[unit].eeprom_icw2 = sys543eepromReadWord (unit, EEPROM_ICW2);

    /* initializes the board information structure */

    pBoard->boardType     = pReso->boardType;
    pBoard->vector        = pReso->irq + INT_NUM_IRQ0;

    pBoard->regBaseLow    = pReso->memBaseLow;
    pBoard->regBaseHigh   = pReso->memBaseHigh;
    pBoard->flashBase     = pReso->flashBase;
    pBoard->adr64         = pReso->adr64;

    pBoard->intEnable     = sys543IntEnable;
    pBoard->intDisable    = sys543IntDisable;
    pBoard->intAck        = sys543IntAck;
  
    if (pBoard->boardType == PRO1000T_BOARD)
        {
        pBoard->phyType   = GEI_PHY_GMII_TYPE;      
        }  

    pBoard->phySpecInit   = sys543PhySpecRegsInit;
    pBoard->delayFunc     = (FUNCPTR) sys1000NsDelay;
    pBoard->delayUnit     = 1000;   /* sys1000NsDelay() delays 1000ns */
    pBoard->sysLocalToBus = sys543LocalToPciBusAdrs; 
    pBoard->sysBusToLocal = sys543PciBusToLocalAdrs; 

    /* specify the interrupt connect/disconnect routines to be used */

    pBoard->intConnect    = (FUNCPTR) intConnect;
    pBoard->intDisConnect = (FUNCPTR) intDisable;

    /* get the ICW1 and ICW2 */

    pBoard->eeprom_icw1   = geiResources[unit].eeprom_icw1;
    pBoard->eeprom_icw2   = geiResources[unit].eeprom_icw2;

    /* copy Ether address */

    memcpy (&pBoard->enetAddr[0], &geiResources[unit].enetAddr[0], 
            ETHER_ADDRESS_SIZE);

    /* we finished adaptor initialization */

    pReso->iniStatus = OK;

    /* enable adaptor interrupt */

    intEnable(pReso->irq);

    return (OK);
    }

/*************************************************************************
*
* sys543eepromReadBits - read bits from EEPROM
*
* This routine reads bit data from EEPROM
*
* RETURNS: value in WORD size
*/

LOCAL UINT16 sys543eepromReadBits
    (
    int          unit,
    int          bitsNum
    )
    {
    UINT32   ix;
    UINT16   val = 0;

    for (ix = 0; ix < bitsNum; ix++)
        {
        /* raise the clk */ 

        GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, 
                                (EECD_CS_BIT | EECD_SK_BIT));
        /* wait 2000ns */

	sysUsDelay(2);

        val = ( val << 1) | 
          ((GEI_SYS_READ_REG(unit, INTEL_82543GC_EECD) & EECD_DO_BIT)? 1 : 0);

        /* lower the clk */

        GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, EECD_CS_BIT);

        /* wait 2000 ns */

	sysUsDelay(2);
        }      

    return (val);
    }

/*************************************************************************
*
* sys543eepromWriteBits - write bits out to EEPROM
*
* This routine writes bits out to EEPROM
*
* RETURNS: N/A
*/

LOCAL void sys543eepromWriteBits
    (
    int          unit,
    UINT16       value,
    UINT16       bitNum
    )
    {
    volatile UINT16 data;

    if (bitNum == 0)
           return;

    while (bitNum--)
    {
    data = (value & (0x1 << bitNum )) ? EECD_DI_BIT : 0;

    data |=  EECD_CS_BIT;

    /* write the data */

    GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, data);
    
    /* wait 1000ns */

    sysUsDelay(1);

    /* raise the clk */ 

    GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, (data | EECD_SK_BIT));

    /* wait 1000ns */

    sysUsDelay(1);

    /* lower the clk */

    GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, data);

    /* wait 1000ns */

    sysUsDelay(1);
    }

    return;
    }

/*************************************************************************
*
* sys543eepromReadWord - Read a word from EEPROM
*
* RETURNS: value in WORD size
*/

LOCAL UINT16 sys543eepromReadWord
    (
    int          unit,
    UINT32       index
    )
    {
    UINT16 val;
    UINT32 tmp;

    if (index >= EEPROM_WORD_SIZE)
        {
        printf ("Invalid index:%d to EEPROM\n", index);
        return 0;
        }

    tmp = GEI_SYS_READ_REG(unit, INTEL_82543GC_EECD);

    GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, EECD_CS_BIT);

    /* wait 1000ns */

    sysUsDelay(1);

    /* write the opcode out */

    sys543eepromWriteBits (unit, EEPROM_READ_OPCODE, EEPROM_CMD_BITS);

    /* write the index out */

    sys543eepromWriteBits (unit, index, EEPROM_INDEX_BITS);

    tmp = GEI_SYS_READ_REG(unit, INTEL_82543GC_EECD);
    
    /* read the data */

    val = sys543eepromReadBits (unit, EEPROM_DATA_BITS);

    /* clean up access to EEPROM */      

    tmp &= ~(EECD_DI_BIT | EECD_DO_BIT | EECD_CS_BIT);

    GEI_SYS_WRITE_REG(unit, INTEL_82543GC_EECD, tmp);

    return val;
    }

/*************************************************************************
*
* sys543EtherAdrGet - Get Ethernet address from EEPROM
*
* This routine get an Ethernet address from EEPROM
*
* RETURNS: OK or ERROR
*/

LOCAL STATUS sys543EtherAdrGet
    (
    int unit
    )
    {
    UINT32 ix, count = 0 ;
    UINT16 val;
    UCHAR  adr [ETHER_ADDRESS_SIZE];

    for (ix = 0; ix < ETHER_ADDRESS_SIZE / sizeof(UINT16); ix++) 
        {
        /* get word i from EEPROM */

        val = sys543eepromReadWord (unit, (UINT16)(EEPROM_IA_ADDRESS + ix));

        adr [count++] = (UCHAR)val;

        adr [count++] = (UCHAR) (val >> 8);
        }

    /* check IA is UCAST  */

    if (adr[0] & 0x1)
        return (ERROR);

    memcpy (&geiResources[unit].enetAddr[0], adr, ETHER_ADDRESS_SIZE);

    return (OK);
    }

/**************************************************************************
* 
* sys543eepromCheckSum - calculate checksum 
*
* This routine perform EEPROM checksum
*
* RETURNS: N/A
*/

LOCAL STATUS sys543eepromCheckSum
    (
    int unit
    )
    {
    UINT16 checkSum = 0 ;
    UINT32 ix;

    for (ix = 0; ix < EEPROM_WORD_SIZE; ix++) 
        checkSum += sys543eepromReadWord (unit, ix);
 
    if (checkSum == (UINT16)EEPROM_SUM)
        return OK;
 
    return ERROR;
    }

/**************************************************************************
*
* sys543PhySpecRegsInit - Initialize PHY specific registers
*
* This routine initialize PHY specific registers
*
* RETURN: N/A
*/

LOCAL void sys543PhySpecRegsInit
    (
    PHY_INFO * pPhyInfo,    /* PHY's info structure pointer */
    UINT8     phyAddr       /* PHY's bus number */
    )
    {
    UINT16 regVal;          /* register value */