mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 17:58:23 +00:00
3c2b3d454d
Add support for VoiceBlue board. * Patch by Ladislav Michl, 05 Apr 2005: Fix netboot_common() prototypes. * Cleanup.
140 lines
3 KiB
C
140 lines
3 KiB
C
/*
|
|
* (C) Copyright 2005
|
|
* Ladislav Michl, 2N Telekomunikace, michl@2n.cz
|
|
*
|
|
* 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 version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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
|
|
*
|
|
* Some code shamelessly stolen back from Robin Getz.
|
|
*/
|
|
|
|
#define DEBUG
|
|
|
|
#include <common.h>
|
|
#include <exports.h>
|
|
#include "../drivers/smc91111.h"
|
|
|
|
#define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
|
|
|
|
static int verify_macaddr(char *);
|
|
static int set_mac(char *);
|
|
|
|
int eeprom(int argc, char *argv[])
|
|
{
|
|
app_startup(argv);
|
|
if (get_version() != XF_VERSION) {
|
|
printf("Wrong XF_VERSION.\n");
|
|
printf("Application expects ABI version %d\n", XF_VERSION);
|
|
printf("Actual U-Boot ABI version %d\n", (int)get_version());
|
|
return 1;
|
|
}
|
|
|
|
if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
|
|
printf("SMSC91111 not found.\n");
|
|
return 2;
|
|
}
|
|
|
|
if (argc != 2) {
|
|
printf("VoiceBlue EEPROM writer\n");
|
|
printf("Built: %s at %s\n", __DATE__ , __TIME__ );
|
|
printf("Usage:\n\t<mac_address>");
|
|
return 3;
|
|
}
|
|
|
|
set_mac(argv[1]);
|
|
if (verify_macaddr(argv[1])) {
|
|
printf("*** ERROR ***\n");
|
|
return 4;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u16 read_eeprom_reg(u16 reg)
|
|
{
|
|
int timeout;
|
|
|
|
SMC_SELECT_BANK(2);
|
|
SMC_outw(reg, PTR_REG);
|
|
|
|
SMC_SELECT_BANK(1);
|
|
SMC_outw(SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_RELOAD,
|
|
CTL_REG);
|
|
timeout = 100;
|
|
while((SMC_inw (CTL_REG) & CTL_RELOAD) && --timeout)
|
|
udelay(100);
|
|
if (timeout == 0) {
|
|
printf("Timeout Reading EEPROM register %02x\n", reg);
|
|
return 0;
|
|
}
|
|
|
|
return SMC_inw (GP_REG);
|
|
}
|
|
|
|
static int write_eeprom_reg(u16 value, u16 reg)
|
|
{
|
|
int timeout;
|
|
|
|
SMC_SELECT_BANK(2);
|
|
SMC_outw(reg, PTR_REG);
|
|
|
|
SMC_SELECT_BANK(1);
|
|
SMC_outw(value, GP_REG);
|
|
SMC_outw(SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_STORE, CTL_REG);
|
|
timeout = 100;
|
|
while ((SMC_inw(CTL_REG) & CTL_STORE) && --timeout)
|
|
udelay (100);
|
|
if (timeout == 0) {
|
|
printf("Timeout Writing EEPROM register %02x\n", reg);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int verify_macaddr(char *s)
|
|
{
|
|
u16 reg;
|
|
int i, err = 0;
|
|
|
|
printf("Verifying MAC Address: ");
|
|
err = i = 0;
|
|
for (i = 0; i < 3; i++) {
|
|
reg = read_eeprom_reg(0x20 + i);
|
|
printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n');
|
|
err |= reg != ((u16 *)s)[i];
|
|
}
|
|
|
|
return err ? 0 : 1;
|
|
}
|
|
|
|
static int set_mac(char *s)
|
|
{
|
|
int i;
|
|
char *e, eaddr[6];
|
|
|
|
/* turn string into mac value */
|
|
for (i = 0; i < 6; i++) {
|
|
eaddr[i] = simple_strtoul(s, &e, 16);
|
|
s = (*e) ? e+1 : e;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
write_eeprom_reg(*(((u16 *)eaddr) + i), 0x20 + i);
|
|
|
|
return 0;
|
|
}
|