setmac.c

开发环境CCS3.2,为TI最新处理器TMS320DM6446的网卡驱动程序源码

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distribution.
 */

/*
 *  Set the MAC address on DaVinci EVM
 *
 */

#include "stdio.h"
#include "davincievm.h"
#include "davincievm_eeprom.h"

/* ------------------------------------------------------------------------ *
 *                                                                          *
 *  main( )                                                                  *
 *                                                                          *
 * ------------------------------------------------------------------------ */
Int16 main( )
{
    Uint16 i;
    Uint16 retcode;
    Uint8 MacAddressToWrite[6];
    Uint8 CurrentMacAddress[6] = { 0, 0, 0, 0, 0, 0 };

    MacAddressToWrite[0] = 0x00;  // This is part of the Spectrum Digital OUI reserved
    MacAddressToWrite[1] = 0x0E;  // portion of the Ethernet MAC namespace which is
    MacAddressToWrite[2] = 0x99;  // registered with the namespace authority ( the IEEE ).
    MacAddressToWrite[3] = 0xFF;  // You are only authorized to use the MAC address prog-
    MacAddressToWrite[4] = 0xFF;  // rammed into your board at Spectrum Digital.  Any
    MacAddressToWrite[5] = 0xFF;  // use of the Spectrum Digital namespace is a violation
                                  // of the rules imposed by the IEEE.

    /* Call BSL init */
    DAVINCIEVM_init( );

    /* Call EEPROM init */
    DAVINCIEVM_EEPROM_init( );

    /* Write Ethernet physical address to 0x7F00 of I2C EEPROM */
    DAVINCIEVM_EEPROM_write( ( Uint32 )MacAddressToWrite, 0x00007F00, 6 );

    /* A short delay to allow the write to be completed */
    DAVINCIEVM_wait( 250000 );

    /* Read address back and verify */
    DAVINCIEVM_EEPROM_read( 0x00007F00, ( Uint32 )CurrentMacAddress, 6 );

    retcode = 0;
    for ( i = 0; i < 6; i++ )
        if ( MacAddressToWrite[i] != CurrentMacAddress[i] )
            retcode = 1;

    if ( retcode == 0 )
    {
        printf( "Writing MAC address... PASSED\n\n");
        printf( "    New address is [%02x-%02x-%02x-%02x-%02x-%02x]\n",
            MacAddressToWrite[0], MacAddressToWrite[1], MacAddressToWrite[2],
            MacAddressToWrite[3], MacAddressToWrite[4], MacAddressToWrite[5] );
    }
    else
    {
        printf( "Writing MAC address... FAILED\n" );
    }

    return retcode;
}