ether.c

freescale i.mx31 BSP CE5.0全部源码

//
// 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.
//

#include <bsp.h>
#include "loader.h"
#include "pmc_loader.h"
#include <kitl_cfg.h>

// current KITL ethernet driver
OAL_KITL_ETH_DRIVER *gp_kitlEthDriver = NULL;

/*
    @func   UINT32 | InitEthDevice | Initializes the Ethernet device to be used for download.
    @rdesc  Index of the initialized Ethernet device. ETH_DEVICE_NONE indicates failure.
    @comm    
    @xref   
*/
UINT32 InitEthDevice(OAL_KITL_ARGS *pKITLArgs)
{
    // TODO: Update based on eboot\ether.c
    PBYTE  pBaseIOAddress = NULL;
    UINT32 MemoryBase = 0;  
    UINT32 Result = ETH_DEVICE_NONE;
    OAL_KITL_DEVICE *pDevice = NULL; 
    BOOL bResult;

    OALMSG(OAL_FUNC, (TEXT("+InitEthDevice.\r\n")));
   
    // search 
    pDevice = OALKitlFindDevice(&pKITLArgs->devLoc,g_kitlDevices);
    if(pDevice == NULL)
    {
        gp_kitlEthDriver = NULL;
        EdbgOutputDebugString ( "InitEthDevice: OALKitlFindDevice failed\r\n");
        return Result;
    }
    else
    {
        // init the function pointers for the driver
        gp_kitlEthDriver = (OAL_KITL_ETH_DRIVER*)pDevice->pDriver;                
    }

    // intialize board-specific settings
    bResult = InitEthernetHardware(pKITLArgs);
    if(!bResult)
    {
        OALMSG(OAL_ERROR, (TEXT("ERROR: InitEthernetHardware: Failed to initialize device hardware.\r\n")));
        goto CleanUp;
    }

    pBaseIOAddress   = (PBYTE)OALPAtoVA(pKITLArgs->devLoc.LogicalLoc, FALSE);
    
    // Initialize the Ethernet controller
    RETAILMSG(1, (L"Initializing Ethernet controller at 0x%x...\r\n", pBaseIOAddress));

    if (!gp_kitlEthDriver->pfnInit((PBYTE)pBaseIOAddress, 1, pKITLArgs->mac))
    {
        OALMSG(OAL_ERROR, (TEXT("ERROR: InitEthDevice: Failed to initialize Ethernet controller.\r\n")));
        goto CleanUp;
    }

    EdbgOutputDebugString ( "InitEthDevice: Base addr = %x, %x\r\n",pBaseIOAddress,pKITLArgs->devLoc.LogicalLoc);

    EdbgOutputDebugString("InitEthDevice: MAC address: %x-%x-%x-%x-%x-%x\r\n",
                  pKITLArgs->mac[0] & 0x00FF, pKITLArgs->mac[0] >> 8,
                  pKITLArgs->mac[1] & 0x00FF, pKITLArgs->mac[1] >> 8,
                  pKITLArgs->mac[2] & 0x00FF, pKITLArgs->mac[2] >> 8);

    // Make sure MAC address has been programmed.
    //
    if (!pKITLArgs->mac[0] && !pKITLArgs->mac[1] && !pKITLArgs->mac[2])
    {
        OALMSG(OAL_ERROR, (TEXT("ERROR: InitEthDevice: Invalid MAC address.\r\n")));
        goto CleanUp;
    }

    Result = ETH_DEVICE_CS8900A;

CleanUp:

    OALMSG(OAL_FUNC, (TEXT("-InitEthDevice.\r\n")));
    return(Result);
}

//
// Platform-specific hardware intialization (set up memory timings, etc)
// use the LogicalLoc address as the distinguishing factor during setup
//

BOOL InitEthernetHardware(OAL_KITL_ARGS *pKITLArgs)
{
    // TODO: Any platform specifics? I don't think so, but I'm not sure

    return TRUE; 
}