smsc111.c

WinCE5.0BSP for Renesas SH7770

       }
   }
   // IP address save again
   pAdapter->ucPermanentAddress[0] = ReadWord(pAdapter,ADDR0) & 0xFF;
   pAdapter->ucPermanentAddress[1] = ReadWord(pAdapter,ADDR0) >> 8;
   pAdapter->ucPermanentAddress[2] = ReadWord(pAdapter,ADDR1) & 0xFF;
   pAdapter->ucPermanentAddress[3] = ReadWord(pAdapter,ADDR1) >> 8;
   pAdapter->ucPermanentAddress[4] = ReadWord(pAdapter,ADDR2) & 0xFF;
   pAdapter->ucPermanentAddress[5] = ReadWord(pAdapter,ADDR2) >> 8;
#endif  // for ROM

    RETAILMSG(1,
        (TEXT("CELAN: PermanentAddress [ %02x-%02x-%02x-%02x-%02x-%02x ]\r\n"),
            pAdapter->ucPermanentAddress[0],
            pAdapter->ucPermanentAddress[1],
            pAdapter->ucPermanentAddress[2],
            pAdapter->ucPermanentAddress[3],
            pAdapter->ucPermanentAddress[4],
            pAdapter->ucPermanentAddress[5]));

    //
    // Use the burned in address as the station address, unless the
    // registry specified an override value.
    //
    if ((pAdapter->ucStationAddress[0] == 0x00) &&
        (pAdapter->ucStationAddress[1] == 0x00) &&
        (pAdapter->ucStationAddress[2] == 0x00) &&
        (pAdapter->ucStationAddress[3] == 0x00) &&
        (pAdapter->ucStationAddress[4] == 0x00) &&
        (pAdapter->ucStationAddress[5] == 0x00)
    )
    {
        pAdapter->ucStationAddress[0] = pAdapter->ucPermanentAddress[0];
        pAdapter->ucStationAddress[1] = pAdapter->ucPermanentAddress[1];
        pAdapter->ucStationAddress[2] = pAdapter->ucPermanentAddress[2];
        pAdapter->ucStationAddress[3] = pAdapter->ucPermanentAddress[3];
        pAdapter->ucStationAddress[4] = pAdapter->ucPermanentAddress[4];
        pAdapter->ucStationAddress[5] = pAdapter->ucPermanentAddress[5];
    }

		RETAILMSG (1, (TEXT ("CELAN: StationAddress [ %02x-%02x-%02x-%02x-%02x-%02x ]\r\n"), pAdapter->ucStationAddress[0], pAdapter->ucStationAddress[1], pAdapter->ucStationAddress[2], pAdapter->ucStationAddress[3], pAdapter->ucStationAddress[4], pAdapter->ucStationAddress[5]));
	}

/*
 * Description:
 *	Sets up the SMSC91C111.
 *
 * Arguments:
 *	pAdapter - Pointer to the adapter structure.
 *
 * Return Value:
 *	TRUE if successful.
 */
BOOLEAN
CardSetup (IN PSMSC111_ADAPTER pAdapter)
	{
    UINT uiIndex;
	WORD wRcr;
	UINT uiDelay;
	USHORT usPhy;

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: CardSetup\r\n")));

	SelectBank (pAdapter,BANK0);
	WriteWord (pAdapter,RCR, RCR_SOFTRESET);
	Sleep (10);
	wRcr = ReadWord (pAdapter,RCR);

	if ((wRcr & RCR_SOFTRESET) != RCR_SOFTRESET)
		{
		DEBUGMSG (ZONE_ERROR, (TEXT ("CELAN: CardSetup: CardReset - RCR = 0x%x, Expected 0x%x\r\n"), wRcr, (RCR_SOFTRESET)));
		return (FALSE);
		}
	WriteWord (pAdapter,RCR, 0);
	Sleep (10);

	// Initialize the control register
	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Initializing Control register\r\n")));
	SelectBank (pAdapter,BANK1);
	WriteWord (pAdapter,CONTROL, CTL_AUTO_RELEASE | CTL_ONE_1 | CTL_TE_ENABLE | CTL_ONE_2 | CTL_LE_ENABLE);

	// Wait for some time. Read back again.
	// for(glbl_tmp = 0; glbl_tmp < 1000000000; glbl_tmp ++);
	// SelectBank(BANK0);
	// SelectBank(BANK1);
	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: CONFIG register re-reads back 0x%x\r\n"), ReadWord(pAdapter,CONFIG) ));

	//
	// Set Loopback Mode
	//
	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Initializing loopback mode\r\n")));
	SelectBank (pAdapter,BANK0);
	pAdapter->usNicTransmitConfig = TCR_LOOP;
	WriteWord (pAdapter,TCR, pAdapter->usNicTransmitConfig);

	//
	// Clear all pending interrupts
	//
	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Clearing pending interrupts\r\n")));
	SelectBank (pAdapter,BANK2);
	WriteWord (pAdapter,INTERRUPT_REGISTER, ReadWord (pAdapter,INTERRUPT_REGISTER));
	
	//
	// Set Station Address
	//
	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Initializing station address registers\r\n")));
	SelectBank (pAdapter,BANK1);
	WriteWord (pAdapter,ADDR0, (UINT16)(pAdapter->ucStationAddress[0] | (pAdapter->ucStationAddress[1] << 8)));
	WriteWord (pAdapter,ADDR1, (UINT16)(pAdapter->ucStationAddress[2] | (pAdapter->ucStationAddress[3] << 8)));
	WriteWord (pAdapter,ADDR2, (UINT16)(pAdapter->ucStationAddress[4] | (pAdapter->ucStationAddress[5] << 8)));


	//
	// Write out the multicast addresses
	//
	SelectBank (pAdapter,BANK3);
	for (uiIndex = 0; uiIndex < sizeof (pAdapter->ucNicMulticastRegs); uiIndex += 2)
		WriteWord (pAdapter,MULTICAST1 + uiIndex, (USHORT)((pAdapter->ulPacketFilter & NDIS_PACKET_TYPE_ALL_MULTICAST) ? 0xffff : pAdapter->ucNicMulticastRegs[uiIndex] | pAdapter->ucNicMulticastRegs[uiIndex + 1] << 8));

	//
	// Reset the PHY.
	//
    for (uiDelay = 0; uiDelay < 10; uiDelay++){ //Can not take out this loop. It fix the following reset problem.
		usPhy = Smsc111ReadPhy (pAdapter, PHY_CONTROL);
    	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: PHY_CONTOL register is 0x%x\r\n"),usPhy));
		if (!(usPhy & PHY_CTRL_RESET))
			break;
	}
    DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Resetting PHY\r\n")));
	Smsc111WritePhy (pAdapter, PHY_CONTROL, PHY_CTRL_RESET);
	for (uiDelay = 0; uiDelay < 100; uiDelay++)
		{
		usPhy = Smsc111ReadPhy (pAdapter, PHY_CONTROL);
		if (!(usPhy & PHY_CTRL_RESET))
			break;
		Sleep (10);
		}

	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Done Resetting PHY, usPhy = 0x%x\r\n"), usPhy));
	if (usPhy & PHY_CTRL_RESET)
		return (FALSE);
	//
	// Wait for the autonegotiation to complete
	//
	for (uiDelay = 0; uiDelay < 10; uiDelay++)
		{
		usPhy = Smsc111ReadPhy (pAdapter, PHY_STATUS);
		if (usPhy & PHY_STAT_ANCOMPLETE)
			break;
		Sleep (10);
		}


	//
	// Force the PHY into restricted modes (for debugging)
	//
#if 0
	Smsc111WritePhy (pAdapter, PHY_ANADVERTISE, Smsc111ReadPhy (pAdapter, PHY_ANADVERTISE) & ~(PHY_ANA_100FDX | PHY_ANA_10FDX));	// Disable full duplex
//	Smsc111WritePhy (pAdapter, PHY_ANADVERTISE, Smsc111ReadPhy (pAdapter, PHY_ANADVERTISE) & ~(PHY_ANA_100FDX | PHY_ANA_100HDX));	// Disable 100Mb/s
	//
	// Restart the autonegotiation
	//
	Smsc111WritePhy (pAdapter, PHY_CONTROL, Smsc111ReadPhy (pAdapter, PHY_CONTROL) | PHY_CTRL_ANRESTART);
	//
	// Wait for the autonegotiation to complete
	//
	for (uiDelay = 0; uiDelay < 10; uiDelay++)
		{
		usPhy = Smsc111ReadPhy (pAdapter, PHY_STATUS);
		if (usPhy & PHY_STAT_ANCOMPLETE)
			break;
		Sleep (10);
		}
#endif

	//
	// Reset the Isolation bit in the PHY, and adjust the TCR based on the PHY autonegotiation.
	//
	usPhy = Smsc111ReadPhy (pAdapter, PHY_CONTROL);
	Smsc111WritePhy (pAdapter, PHY_CONTROL, (UINT16)(usPhy & ~PHY_CTRL_ISOLATION));
	pAdapter->usNicTransmitConfig = TCR_PAD_ENABLE | TCR_ENABLE;
	if (usPhy & PHY_CTRL_DUPLEX)
		pAdapter->usNicTransmitConfig |= TCR_SWFDUP;
	SelectBank (pAdapter,BANK0);
	WriteWord (pAdapter,TCR, pAdapter->usNicTransmitConfig);


	//
	// Set Interrupt Mask Register
	//
	DEBUGMSG (ZONE_INIT, (TEXT ("CELAN: CardSetup: Initializing Interrupt Mask register %02x\r\n"), pAdapter->usNicInterruptMask));
	SelectBank (pAdapter,BANK2);
	WriteWord (pAdapter,INTERRUPT_REGISTER, pAdapter->usNicInterruptMask);
	
	DEBUGMSG(ZONE_FUNCTION, (TEXT("-CELAN: CardSetup\r\n")));
    //
    // NOTE: Still in loopback mode.
    //
    return (TRUE);
	}

/*
 * Description:
 *	Starts the SMSC91C111.
 *
 * Arguments:
 *	pAdapter - Pointer to the adapter structure.
 *
 * Return Value:
 *	None.
 */
#pragma NDIS_PAGEABLE_FUNCTION(CardStart)
VOID
CardStart (IN PSMSC111_ADAPTER pAdapter)
{
	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: CardStart\r\n")));
	// Initialize the trasmit control register
	SelectBank (pAdapter,BANK0);
	WriteWord (pAdapter,TCR, pAdapter->usNicTransmitConfig);
	//
	// Initialize the receive control register
	//
	SelectBank (pAdapter,BANK0);
	WriteWord (pAdapter,RCR, pAdapter->usNicReceiveConfig);

    LAN91C111Init(pAdapter);

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("-CELAN: CardStart\r\n")));
}

/*
 * Description:
 *	Erases and refills the card multicast registers. Used when
 *	an address has been deleted and all bits must be recomputed.
 *
 * Arguments:
 *	pAdapter - Pointer to the adapter structure.
 *
 * Return Value:
 *	None.
 */
VOID
CardFillMulticastRegs (IN PSMSC111_ADAPTER pAdapter)
	{
    UINT uiIndex;
    UCHAR ucByte, ucBit;

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: CardFillMulticastRegs\r\n")));
    //
    // First turn all bits off.
    //
    for (uiIndex = 0; uiIndex < sizeof (pAdapter->ucNicMulticastRegs); uiIndex++)
		pAdapter->ucNicMulticastRegs[uiIndex] = 0;
    //
    // Now turn on the bit for each address in the multicast list.
    //
    for (uiIndex = 0; uiIndex < DEFAULT_MULTICASTLISTMAX; uiIndex++)
		{
        CardGetMulticastBit (pAdapter->ucAddresses[uiIndex], &ucByte, &ucBit);
        pAdapter->ucNicMulticastRegs[ucByte] |= ucBit;
		}
	DEBUGMSG (ZONE_FUNCTION, (TEXT ("-CELAN: CardFillMulticastRegs\r\n")));
	}

/*
 * Description:
 *	Turns on all the bits in the multicast registers. Used when
 *	the card must receive all multicast packets.
 *
 * Arguments:
 *	pSynchronizeContext - Pointer to the adapter block
 *
 * Return Value:
 *	None.
 */
BOOLEAN
SyncCardSetAllMulticast (IN PVOID pSynchronizeContext)
	{
    UINT uiIndex;
    PSMSC111_ADAPTER pAdapter = ((PSMSC111_ADAPTER)pSynchronizeContext);

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: SyncCardSetAllMulticast\r\n")));
	SelectBank (pAdapter,BANK3);
	for (uiIndex = 0; uiIndex < sizeof (pAdapter->ucNicMulticastRegs); uiIndex += 2)
		WriteWord (pAdapter,MULTICAST1 + uiIndex, 0xffff);
	DEBUGMSG (ZONE_FUNCTION, (TEXT ("-CELAN: CardSetAllMulticast\r\n")));
    return (FALSE);
	}

/*
 * Description:
 *	Sets the eight bytes in the card multicast registers.
 *
 * Arguments:
 *	pSynchronizeContext - Pointer to the adapter block
 *
 * Return Value:
 *	None.
 */
BOOLEAN
SyncCardCopyMulticastRegs (IN PVOID pSynchronizeContext)
	{
	UINT uiIndex;
    PSMSC111_ADAPTER pAdapter = ((PSMSC111_ADAPTER)pSynchronizeContext);

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: SyncCardCopyMulticastRegs\r\n")));
	SelectBank (pAdapter,BANK3);
	for (uiIndex = 0; uiIndex < sizeof (pAdapter->ucNicMulticastRegs); uiIndex += 2)
		WriteWord (pAdapter,MULTICAST1 + uiIndex, (UINT16)(pAdapter->ucNicMulticastRegs[uiIndex] | (pAdapter->ucNicMulticastRegs[uiIndex + 1] << 8)));
	DEBUGMSG (ZONE_FUNCTION, (TEXT("Multicast bits\r\n")));
	for (uiIndex = 0; uiIndex < sizeof (pAdapter->ucNicMulticastRegs); uiIndex++)
		DEBUGMSG (ZONE_FUNCTION, (TEXT ("%02x "), pAdapter->ucNicMulticastRegs[uiIndex]));
	DEBUGMSG (ZONE_FUNCTION, (TEXT ("\r\n")));

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("-CELAN: SyncCardCopyMulticastRegs\r\n")));
	return (FALSE);
	}

/*
 * Description:
 *	Sets the value of the "receive configuration" NIC register to
 *	the value of Adapter->NicReceiveConfig.
 *
 * Arguments:
 *	pSynchronizeContext - Pointer to the adapter block
 *
 * Return Value:
 *	None.
 */
BOOLEAN
SyncCardSetReceiveConfig (IN PVOID pSynchronizeContext)
	{
    PSMSC111_ADAPTER pAdapter = ((PSMSC111_ADAPTER)pSynchronizeContext);

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: SyncCardSetReceiveConfig\r\n")));
	SelectBank (pAdapter,BANK0);
	WriteWord (pAdapter,RCR, pAdapter->usNicReceiveConfig);
	DEBUGMSG (ZONE_FUNCTION, (TEXT ("-CELAN: SyncCardSetReceiveConfig\r\n")));
    return (FALSE);
	}

/*
 * Description:
 *	Runs the AUTODIN II CRC algorithm on buffer Buffer of length Length.
 *
 * Arguments:
 *	pBuffer - The input buffer
 *	uiLength - The length of the input
 *
 * Return Value:
 *	The 32-bit CRC value.
 */
ULONG
CardComputeCrc (IN PUCHAR pBuffer, IN UINT uiLength)
	{
	ULONG ulCrc, ulCarry;
	UINT uiByteIndex, uiBitIndex;
	UCHAR ucCurByte;

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: CardComputeCrc\r\n")));
	ulCrc = 0xffffffff;
	for (uiByteIndex = 0; uiByteIndex < uiLength; uiByteIndex++)
		{
		ucCurByte = pBuffer[uiByteIndex];
		for (uiBitIndex = 0; uiBitIndex < 8; uiBitIndex++)
			{
            ulCarry = ((ulCrc & 0x80000000) ? 1 : 0) ^ (ucCurByte & 0x01);
            ulCrc <<= 1;
            ucCurByte >>= 1;
            if (ulCarry)
                ulCrc = (ulCrc ^ 0x04c11db6) | ulCarry;
	        }
		}
	DEBUGMSG (ZONE_FUNCTION, (TEXT ("-CELAN: CardComputeCrc\r\n")));
    return (ulCrc);
	}

/*
 * Description:
 *	For a given multicast address, returns the byte and bit in
 *	the card multicast registers that it hashes to. Calls
 *	CardComputeCrc() to determine the CRC value.
 *
 * Arguments:
 *	ucAddress - The MAC address to hash.
 *	pByte - Pointer to the byte offset in the multicast registers.
 *	pValue - Pointer to the value for the multicast register. Will have a 1 in the relevant bit.
 *
 * Return Value:
 *	None.
 */
VOID
CardGetMulticastBit(IN UCHAR ucAddress[ETHER_LENGTH_OF_ADDRESS], OUT PUCHAR pByte, OUT PUCHAR pValue)
	{
    ULONG ulCrc;
    UINT uiBitNumber;

	DEBUGMSG (ZONE_FUNCTION, (TEXT ("+CELAN: CardGetMulticastBit\r\n")));
    //
    // First compute the CRC.
    //
    ulCrc = CardComputeCrc (ucAddress, ETHER_LENGTH_