www.pudn.com > iMx31_WCE600.rar > ether.c

// 
// Copyright (c) Microsoft Corporation.  All rights reserved. 
// 
// 
// Use of this source code is subject to the terms of the Microsoft end-user 
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT. 
// If you did not accept the terms of the EULA, you are not authorized to use 
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your 
// install media. 
// 
//----------------------------------------------------------------------------- 
// 
//  Copyright (C) 2004-2007, Freescale Semiconductor, Inc. All Rights Reserved. 
//  THIS SOURCE CODE, AND ITS USE AND DISTRIBUTION, IS SUBJECT TO THE TERMS 
//  AND CONDITIONS OF THE APPLICABLE LICENSE AGREEMENT 
// 
//----------------------------------------------------------------------------- 
// 
//  File:  ether.c 
// 
//  EBOOT ethernet routines 
// 
//----------------------------------------------------------------------------- 
#include "bsp.h" 
#include "loader.h" 
 
//----------------------------------------------------------------------------- 
// External Functions 
 
 
//----------------------------------------------------------------------------- 
// External Variables 
 
 
 
//----------------------------------------------------------------------------- 
// Defines 
 
 
//----------------------------------------------------------------------------- 
// Types 
 
 
//----------------------------------------------------------------------------- 
// Global Variables 
 
// 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; 
 
 
//----------------------------------------------------------------------------- 
// Local Variables 
 
 
//------------------------------------------------------------------------------ 
// Local Functions 
// 
 
//----------------------------------------------------------------------------- 
// 
// Function: InitSpecifiedEthDevice 
// 
// Initializes the specified Ethernet device to be used for download and  
// KITL services. 
// 
// Parameters: 
//      pKITLArgs 
//          [in/out] Points to the KITL argument structure. 
// 
//      EthDevice 
//          [in] Ethernet device to be initialized. 
// 
// Returns: 
//      Returns Ethernet adapter type intialized on success, otherwise  
//      returns -1. 
// 
//----------------------------------------------------------------------------- 
UINT32 InitSpecifiedEthDevice(OAL_KITL_ARGS *pKITLArgs, UINT32 EthDevice) 
{ 
    UINT32 rc = (UINT32)-1; 
     
    switch(EthDevice) 
    { 
    case ETH_DEVICE_CS8900A: 
 
        if (CS8900AInit((PBYTE) OALPAtoUA(BSP_BASE_REG_PA_CS8900A_IOBASE), 0, pKITLArgs->mac)) 
        { 
            pfnEDbgInit         = (PFN_EDBG_INIT) CS8900AInit; 
            pfnEDbgGetFrame     = (PFN_EDBG_GET_FRAME) CS8900AGetFrame; 
            pfnEDbgSendFrame    = (PFN_EDBG_SEND_FRAME) CS8900ASendFrame; 
            pfnEDbgEnableInts   = (PFN_EDBG_ENABLE_INTS) CS8900AEnableInts;      
            pfnEDbgDisableInts  = (PFN_EDBG_DISABLE_INTS)CS8900ADisableInts;     
             
            // Save the device location information for later use. 
            // 
            pKITLArgs->devLoc.IfcType     = Internal; 
            pKITLArgs->devLoc.BusNumber   = 0; 
            pKITLArgs->devLoc.PhysicalLoc = (PVOID)(BSP_BASE_REG_PA_CS8900A_IOBASE); 
            pKITLArgs->devLoc.LogicalLoc  = (DWORD)pKITLArgs->devLoc.PhysicalLoc; 
 
            KITLOutputDebugString("INFO: CS8900A Ethernet controller initialized.\r\n"); 
            rc = EDBG_ADAPTER_OEM; 
        } 
        else 
        { 
            KITLOutputDebugString("ERROR: Failed to initialize CS8900A Ethernet controller.\n"); 
        } 
        break; 
 
    } 
 
 
    return rc; 
} 
 
//------------------------------------------------------------------------------ 
// 
//  Function:  OALKitlInitEthIrq 
// 
//  This function is called by OAL_KITLETH_INIT function to configure 
//  the IRQ line for the Ethernet controller. 
// 
//  Parameters: 
//      None. 
// 
//  Returns: 
//      TRUE if successful, otherwise returns FALSE. 
// 
//------------------------------------------------------------------------------ 
BOOL OALKitlInitEthIrq(void) 
{ 
    return TRUE; 
} 
 
 
//------------------------------------------------------------------------------ 
// 
//  Function:  OALKitlClearEthIrq 
// 
//  This function is called by OAL_KITLETH_GET_FRAME function to clear 
//  the IRQ from the Ethernet controller. 
// 
//  Parameters: 
//      None. 
// 
//  Returns: 
//      None. 
// 
//------------------------------------------------------------------------------ 
void OALKitlClearEthIrq(void) 
{ 
} 
 
 
//------------------------------------------------------------------------------ 
// 
//  Function:  OALKitlSendEthSelfReset 
// 
//  This function is called by OAL_KITLETH_INIT function to determine if 
//  the Ethernet self reset should be issued to the controller. 
// 
//  Parameters: 
//      None. 
// 
//  Returns: 
//      TRUE if self reset should be issued, otherwise returns FALSE. 
// 
//------------------------------------------------------------------------------ 
BOOL OALKitlSendEthSelfReset(void) 
{ 
    return FALSE; 
}