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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Local network srom writing for first time run
*/
/* includes */
#include <common.h>
#include <pci.h>
#include <net.h>
#include "srom.h"
extern int eepro100_write_eeprom (struct eth_device* dev,
int location, int addr_len, unsigned short data);
/*----------------------------------------------------------------------------*/
unsigned short eepro100_srom_checksum (unsigned short *sromdata)
{
unsigned short sum = 0;
unsigned int i;
for (i = 0; i < (EE_SIZE-1); i++)
{
sum += sromdata[i];
}
return (EE_CHECKSUM - sum);
}
/*----------------------------------------------------------------------------*/
int eepro100_srom_store (unsigned short *source)
{
int count;
struct eth_device onboard_dev;
/* get onboard network iobase */
pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
&onboard_dev.iobase);
onboard_dev.iobase &= ~0xf;
source[63] = eepro100_srom_checksum (source);
for (count=0; count < EE_SIZE; count++)
{
if ( eepro100_write_eeprom ((struct eth_device*)&onboard_dev,
count, EE_ADDR_BITS, SROM_SHORT(source)) == -1 )
return -1;
source++;
}
return 0;
}
/*----------------------------------------------------------------------------*/
#ifdef EEPRO100_SROM_CHECK
extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
void eepro100_srom_load (unsigned short *destination)
{
int count;
struct eth_device onboard_dev;
#ifdef DEBUG
int lr = 0;
printf ("eepro100_srom_download:\n");
#endif
/* get onboard network iobase */
pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0,
&onboard_dev.iobase);
onboard_dev.iobase &= ~0xf;
memset (destination, 0x65, 128);
for (count=0; count < 0x40; count++)
{
*destination++ = read_eeprom (struct eth_device*)&onboard_dev,
count, EE_ADDR_BITS);
#ifdef DEBUG
printf ("%04x ", *(destination - 1));
if (lr++ == 7)
{
printf("\n");
lr = 0;
}
#endif
}
}
#endif /* EEPRO100_SROM_CHECK */
/*----------------------------------------------------------------------------*/
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