ether.c

Windows CE 6.0 针对PXA270的开发板的BSP参考代码

    UINT8 uByte;
    UINT32 SlotAddress = 0;

    volatile MAINSTONEII_BLR_REGS *pBLRegs = (volatile MAINSTONEII_BLR_REGS *) OALPAtoVA(MAINSTONEII_BASE_REG_PA_FPGA, FALSE);

    
    // Determine the NIC's address.
    //
    switch (BootDevice)
    {
    case ETH_DEVICE_PCMCIA0: 
        SlotAddress = (UINT32) OALPAtoVA(BULVERDE_BASE_REG_PA_PCMCIA_S0_ATTR, FALSE);
        KITLOutputDebugString("INFO: Trying to locate/initialize PCMCIA NIC in slot 0...\r\n");
        break;
    case ETH_DEVICE_PCMCIA1:
        SlotAddress = (UINT32) OALPAtoVA(BULVERDE_BASE_REG_PA_PCMCIA_S1_ATTR, FALSE);
        KITLOutputDebugString("INFO: Trying to locate/initialize PCMCIA NIC in slot 1...\r\n");
        break;
    case ETH_DEVICE_USB:
        KITLOutputDebugString("INFO: Trying to initialize USB RNDIS...\r\n");
        break;
    case SER_DEVICE_USB:
        KITLOutputDebugString("INFO: Trying to initialize USB SERIAL...\r\n");
        break;
    case ETH_DEVICE_SMSC:
    default:
        SlotAddress = (UINT32) OALPAtoVA(MAINSTONEII_BASE_REG_PA_SMSC_ETHERNET, FALSE);
        KITLOutputDebugString("INFO: Trying to initialize the built-in SMSC NIC...\r\n");
        break;
    }

    if (BootDevice == ETH_DEVICE_USB)
    {
        // Set address
        EbootDeviceAddress = (UINT32)OALPAtoVA(BULVERDE_BASE_REG_PA_UDC, FALSE);  // Base Address for USB Client

        pKITLArgs->mac[0] = g_EbootCFG.RNDISMac[0];
        pKITLArgs->mac[1] = g_EbootCFG.RNDISMac[1];
        pKITLArgs->mac[2] = g_EbootCFG.RNDISMac[2];

        // init USB registers
        if (HostMiniInit((PCHAR) NULL, 1, pKITLArgs->mac))
        {
            pfnEDbgInit           = RndisInit;
            pfnEDbgEnableInts     = RndisEnableInts;
            pfnEDbgDisableInts    = RndisDisableInts;    
            pfnEDbgGetFrame       = RndisEDbgGetFrame;       
            pfnEDbgSendFrame      = RndisEDbgSendFrame;      
            pfnEDbgReadEEPROM     = NULL;     
            pfnEDbgWriteEEPROM    = NULL;    

            // TODO: These two functons are provided in \oak\drivers\ethdbg\rne_mdd but not in \oak\drivers\netcard\rndismini

            pfnEDbgGetPendingInts = RndisGetPendingInts;  // TODO: This is called in OEMEthISR - what to do
            pfnEDbgSetOptions     = RndisSetOptions;   // TODO: This function does nothing

#ifdef IMGSHAREETH
            pfnCurrentPacketFilter = RndisCurrentPacketFilter;
            pfnMulticastList       = RndisMulticastList;
#endif

            pKITLArgs->flags |= OAL_KITL_FLAGS_POLL;

            // Save the device location information for later use.
            //
            pKITLArgs->devLoc.IfcType     = Internal;
            pKITLArgs->devLoc.BusNumber   = 0;
            pKITLArgs->devLoc.PhysicalLoc = (PVOID)BULVERDE_BASE_REG_PA_UDC;    // not a real Ethernet card
            pKITLArgs->devLoc.LogicalLoc  = (DWORD)pKITLArgs->devLoc.PhysicalLoc;

            return (EDBG_USB_RNDIS);
        }
        else
        {
            KITLOutputDebugString("ERROR: Failed to initialize Bulverde Rndis USB Ethernet controller.\n");
        }
    }
    else
    // USB SERIAL?
    //
    if (BootDevice == SER_DEVICE_USB)
    {
        // Save off the MAC address so we can at least have a device name
        pKITLArgs->mac[0] = g_EbootCFG.RNDISMac[0];
        pKITLArgs->mac[1] = g_EbootCFG.RNDISMac[1];
        pKITLArgs->mac[2] = g_EbootCFG.RNDISMac[2];

        // Save the device location information for later use.
        pKITLArgs->devLoc.IfcType     = Internal;
        pKITLArgs->devLoc.BusNumber   = 0;
        pKITLArgs->devLoc.PhysicalLoc = (PVOID)BULVERDE_BASE_REG_PA_USBH;    // Just has to be different than RNDIS
        pKITLArgs->devLoc.LogicalLoc  = (DWORD)pKITLArgs->devLoc.PhysicalLoc;


        return (SDBG_USB_SERIAL);
    }
    else
    // PCMCIA NIC?
    //
    if ((BootDevice == ETH_DEVICE_PCMCIA0) || (BootDevice == ETH_DEVICE_PCMCIA1))
    {
        // Locate the NIC card in the specified slot.
        //
        if (LocatePCMCIACard(BootDevice, SlotAddress))
        {
            // Determine the PCMCIA card type.
            //
            if (VerifyEthernetPCMCIACard(SlotAddress))
            {
                if ((((pBLRegs->pcmcia0_srcr & PCMCIA_POWER) == PCMCIA_VCC5V_VPP0V) && (BootDevice == ETH_DEVICE_PCMCIA0)) ||
                    (((pBLRegs->pcmcia1_srcr & PCMCIA_POWER) == PCMCIA_VCC5V_VPP0V) && (BootDevice == ETH_DEVICE_PCMCIA1)))
                {
                    KITLOutputDebugString("INFO: 5.0V Card detected in slot %d.\r\n", ((BootDevice == ETH_DEVICE_PCMCIA0)?0:1));

                    uByte       = 0x21;
                    Offset      = CIS_R0;
                    pAttribute  = (UINT8 *) SlotAddress;
                    pAttribute += Offset; 
                    *pAttribute = uByte;

                    uByte       = 0x1;            
                    Offset      = CIS_R0 + 2;
                    pAttribute  = (UINT8 *) SlotAddress;
                    pAttribute += Offset; 
                    *pAttribute = uByte;
                }
                else
                {
                    KITLOutputDebugString("INFO: 3.3V Card detected in slot %d.\r\n", ((BootDevice == ETH_DEVICE_PCMCIA0)?0:1));

                    uByte       = 0x20;           
                    Offset      = CIS_R0;
                    pAttribute  = (UINT8 *) SlotAddress;
                    pAttribute += Offset; 
                    *pAttribute = uByte;
                }

                EbootDeviceAddress = (BootDevice == ETH_DEVICE_PCMCIA0) ? (UINT32) OALPAtoVA(BULVERDE_BASE_REG_PA_PCMCIA_S0_IO, FALSE) + 0x300 : \
                                                                         (UINT32) OALPAtoVA(BULVERDE_BASE_REG_PA_PCMCIA_S1_IO, FALSE) + 0x300;

                // Only supported PCMCIA NIC is an NE2000-compatible NIC.  Initialize it.
                //
                if (NE2000Init((BYTE *) EbootDeviceAddress, 1, pKITLArgs->mac))
                {
                    pfnEDbgInit            = NE2000Init;
                    pfnEDbgGetFrame        = NE2000GetFrame;       
                    pfnEDbgSendFrame       = NE2000SendFrame;      
                    pfnEDbgEnableInts      = NE2000EnableInts;     
                    pfnEDbgDisableInts     = NE2000DisableInts;    
#ifdef IMGSHAREETH
                    pfnCurrentPacketFilter = NULL;
                    pfnMulticastList       = NULL;
#endif

                    // Save the device location information for later use.
                    //
                    pKITLArgs->devLoc.IfcType     = Internal;
                    pKITLArgs->devLoc.BusNumber   = 0;
                    pKITLArgs->devLoc.PhysicalLoc = (PVOID)((BootDevice == ETH_DEVICE_PCMCIA0) ? (BULVERDE_BASE_REG_PA_PCMCIA_S0_IO + 0x300) : (BULVERDE_BASE_REG_PA_PCMCIA_S1_IO + 0x300));
                    pKITLArgs->devLoc.LogicalLoc  = (DWORD)pKITLArgs->devLoc.PhysicalLoc;

                    KITLOutputDebugString("INFO: NE2000 Ethernet controller initialized.\n");
                    return(EDBG_ADAPTER_NE2000);
                }
                else
                {
                    KITLOutputDebugString("ERROR: Failed to initialize NE2000 Ethernet controller.\n");
                }
            }
        }

        return (-1);
    }
    else
    {
        // Use the SMSC LAN91C111 NIC.
        //
        EbootDeviceAddress = (SlotAddress + 0x300);

        if (LAN91CInit((UINT8 *) EbootDeviceAddress, 0, pKITLArgs->mac))
        {
            pfnEDbgInit            = (PFN_EDBG_INIT)        LAN91CInit;
            pfnEDbgGetFrame        = (PFN_EDBG_GET_FRAME)   LAN91CGetFrame;       
            pfnEDbgSendFrame       = (PFN_EDBG_SEND_FRAME)  LAN91CSendFrame;      
            pfnEDbgEnableInts      = (PFN_EDBG_ENABLE_INTS) LAN91CEnableInts;     
            pfnEDbgDisableInts     = (PFN_EDBG_DISABLE_INTS)LAN91CDisableInts;    
#ifdef IMGSHAREETH
            pfnCurrentPacketFilter = (PFN_EDBG_CURRENT_PACKET_FILTER) LAN91CCurrentPacketFilter;
            pfnMulticastList       = (PFN_EDBG_MULTICAST_LIST) LAN91CMulticastList;
#endif

            // Save the device location information for later use.
            //
            pKITLArgs->devLoc.IfcType     = Internal;
            pKITLArgs->devLoc.BusNumber   = 0;
            pKITLArgs->devLoc.PhysicalLoc = (PVOID)(MAINSTONEII_BASE_REG_PA_SMSC_ETHERNET + 0x300);
            pKITLArgs->devLoc.LogicalLoc  = (DWORD)pKITLArgs->devLoc.PhysicalLoc;

            KITLOutputDebugString("INFO: SMSC LAN91C111 Ethernet controller initialized.\r\n");
            return(EDBG_ADAPTER_SMC9000);
        }
        else
        {
            KITLOutputDebugString("ERROR: Failed to initialize SMSC LAN91C111 Ethernet controller.\n");
        }
    }

    return (-1);

}


BOOL OEMEthGetFrame(BYTE *pData,       // OUT - Receives frame data
                    UINT16 *pwLength)  // IN  - Length of Rx buffer
{
    return (pfnEDbgGetFrame(pData, pwLength));
}


BOOL OEMEthSendFrame(BYTE *pData,     // IN - Data buffer
                     DWORD dwLength)  // IN - Length of buffer
{
    int retries = 0;

    // Let's be persistant here
    while (retries++ < 4)
    {
        if (!pfnEDbgSendFrame(pData, dwLength))
            return (TRUE);
        KITLOutputDebugString("!OEMEthSendFrame failure, retry %u\n",retries);
    }
    return (FALSE);
}