mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
702c85b0e8
get_prom function was used __attriute__ , but it is not enable. ax88796.o does not do link besides ne2000.o. When ld is carried out, get_prom function of ax88796.c is ignored. This problem is a thing by specifications of ld. I checked and test this patch on SuperH and MIPS. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
156 lines
2.7 KiB
C
156 lines
2.7 KiB
C
/*
|
|
* (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
|
|
*
|
|
* 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
|
|
*/
|
|
#include <common.h>
|
|
#include "ax88796.h"
|
|
|
|
/*
|
|
* Set 1 bit data
|
|
*/
|
|
static void ax88796_bitset(u32 bit)
|
|
{
|
|
/* DATA1 */
|
|
if( bit )
|
|
EEDI_HIGH;
|
|
else
|
|
EEDI_LOW;
|
|
|
|
EECLK_LOW;
|
|
udelay(1000);
|
|
EECLK_HIGH;
|
|
udelay(1000);
|
|
EEDI_LOW;
|
|
}
|
|
|
|
/*
|
|
* Get 1 bit data
|
|
*/
|
|
static u8 ax88796_bitget(void)
|
|
{
|
|
u8 bit;
|
|
|
|
EECLK_LOW;
|
|
udelay(1000);
|
|
/* DATA */
|
|
bit = EEDO;
|
|
EECLK_HIGH;
|
|
udelay(1000);
|
|
|
|
return bit;
|
|
}
|
|
|
|
/*
|
|
* Send COMMAND to EEPROM
|
|
*/
|
|
static void ax88796_eep_cmd(u8 cmd)
|
|
{
|
|
ax88796_bitset(BIT_DUMMY);
|
|
switch(cmd){
|
|
case MAC_EEP_READ:
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(0);
|
|
break;
|
|
|
|
case MAC_EEP_WRITE:
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(0);
|
|
ax88796_bitset(1);
|
|
break;
|
|
|
|
case MAC_EEP_ERACE:
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(1);
|
|
break;
|
|
|
|
case MAC_EEP_EWEN:
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(0);
|
|
ax88796_bitset(0);
|
|
break;
|
|
|
|
case MAC_EEP_EWDS:
|
|
ax88796_bitset(1);
|
|
ax88796_bitset(0);
|
|
ax88796_bitset(0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void ax88796_eep_setaddr(u16 addr)
|
|
{
|
|
int i ;
|
|
|
|
for( i = 7 ; i >= 0 ; i-- )
|
|
ax88796_bitset(addr & (1 << i));
|
|
}
|
|
|
|
/*
|
|
* Get data from EEPROM
|
|
*/
|
|
static u16 ax88796_eep_getdata(void)
|
|
{
|
|
ushort data = 0;
|
|
int i;
|
|
|
|
ax88796_bitget(); /* DUMMY */
|
|
for( i = 0 ; i < 16 ; i++ ){
|
|
data <<= 1;
|
|
data |= ax88796_bitget();
|
|
}
|
|
return data;
|
|
}
|
|
|
|
static void ax88796_mac_read(u8 *buff)
|
|
{
|
|
int i ;
|
|
u16 data;
|
|
u16 addr = 0;
|
|
|
|
for( i = 0 ; i < 3; i++ )
|
|
{
|
|
EECS_HIGH;
|
|
EEDI_LOW;
|
|
udelay(1000);
|
|
/* READ COMMAND */
|
|
ax88796_eep_cmd(MAC_EEP_READ);
|
|
/* ADDRESS */
|
|
ax88796_eep_setaddr(addr++);
|
|
/* GET DATA */
|
|
data = ax88796_eep_getdata();
|
|
*buff++ = (uchar)(data & 0xff);
|
|
*buff++ = (uchar)((data >> 8) & 0xff);
|
|
EECLK_LOW;
|
|
EEDI_LOW;
|
|
EECS_LOW;
|
|
}
|
|
}
|
|
|
|
int get_prom(u8* mac_addr, u8* base_addr)
|
|
{
|
|
u8 prom[32];
|
|
int i;
|
|
|
|
ax88796_mac_read(prom);
|
|
for (i = 0; i < 6; i++){
|
|
mac_addr[i] = prom[i];
|
|
}
|
|
return 1;
|
|
}
|