ether.c

Windows CE 6.0 BSP for VOIP sample phone. Intel PXA270 platform.

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES OR INDEMNITIES.
//
//------------------------------------------------------------------------------
//
//  File:  ether.c
//
//  Core Ethernet routines for the Intel Mainstone II bootloader.
//
//------------------------------------------------------------------------------
/* 
** Copyright 2000-2003 Intel Corporation All Rights Reserved.
**
** Portions of the source code contained or described herein and all documents
** related to such source code (Material) are owned by Intel Corporation
** or its suppliers or licensors and is licensed by Microsoft Corporation for distribution.  
** Title to the Material remains with Intel Corporation or its suppliers and licensors. 
** Use of the Materials is subject to the terms of the Microsoft license agreement which accompanied the Materials.  
** No other license under any patent, copyright, trade secret or other intellectual
** property right is granted to or conferred upon you by disclosure or
** delivery of the Materials, either expressly, by implication, inducement,
** estoppel or otherwise 
** Some portion of the Materials may be copyrighted by Microsoft Corporation.
*/

#include <windows.h>
#include <bulverde.h>
#include <plato.h>
#include <ethdbg.h>
#include <ndis.h>
#include <rndismini.h>
#include <mddpriv.h>
#include <halether.h>
#include <oal_memory.h>
#include <oal_ethdrv.h>
#include <ceddk.h>
#include "loader.h"
#include "wait.h"

// Global variables.
//
extern EBOOT_CFG    g_EbootCFG;

// Miscellaneous definitions.
//
#define OSCR_OFFSET                     0x10        // OSCR0


// Function pointers to the support library functions of the currently installed debug ethernet controller.
//
PFN_EDBG_INIT                     pfnEDbgInit;
PFN_EDBG_GET_FRAME                pfnEDbgGetFrame;
PFN_EDBG_SEND_FRAME               pfnEDbgSendFrame;
PFN_EDBG_ENABLE_INTS              pfnEDbgEnableInts;
PFN_EDBG_DISABLE_INTS             pfnEDbgDisableInts;
PFN_EDBG_GET_PENDING_INTS         pfnEDbgGetPendingInts;
PFN_EDBG_READ_EEPROM              pfnEDbgReadEEPROM;
PFN_EDBG_WRITE_EEPROM             pfnEDbgWriteEEPROM;
PFN_EDBG_SET_OPTIONS              pfnEDbgSetOptions;
#ifdef IMGSHAREETH
PFN_EDBG_CURRENT_PACKET_FILTER    pfnCurrentPacketFilter;
PFN_EDBG_MULTICAST_LIST           pfnMulticastList;
#endif


VOID OALStall(UINT32 microSeconds)
{
    Wait(microSeconds);
}



// EthDevice == 0 --> Try to initialize RNDIS
UINT32 InitSpecifiedEthDevice(OAL_KITL_ARGS *pKITLArgs, UINT32 EthDevice)
{
    UINT32 EbootDeviceAddress = 0;
    UINT8 *pAttribute = NULL;
    UINT32 SlotAddress = 0;

    // This boot loader supports only ETH_DEVICE_USB
    //
    KITLOutputDebugString("\r\nINFO: Trying to initialize the USB for Eth...\r\n");

    if (EthDevice == 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;    
            pfnEDbgGetPendingInts = RndisGetPendingInts;  
            pfnEDbgSetOptions     = RndisSetOptions;   
#ifdef IMGSHAREETH
            pfnCurrentPacketFilter = RndisCurrentPacketFilter;
            pfnMulticastList       = RndisMulticastList;
#endif

            // Save the device location information for later use.
            //
            pKITLArgs->devLoc.IfcType     = InterfaceTypeUndefined;
            pKITLArgs->devLoc.BusNumber   = 0;
            pKITLArgs->devLoc.PhysicalLoc = 0;
            pKITLArgs->devLoc.LogicalLoc  = 0;

            KITLOutputDebugString("Bulverde Rndis USB Ethernet controller initialized.\n");
            return (EDBG_USB_RNDIS);
        }
        else
        {
            KITLOutputDebugString("ERROR: Failed to initialize Bulverde Rndis USB 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);
}