static void pcnet_reset_8390(void)
{
int i, r;
PRINTK("nic base is %lx\n", nic_base);
#if 1
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD);
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
PRINTK("cmd (at %lx) is %x\n", nic_base+ E8390_CMD, n2k_inb(E8390_CMD));
#endif
n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
n2k_outb(n2k_inb(nic_base + PCNET_RESET), PCNET_RESET);
for (i = 0; i < 100; i++) {
if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0)
break;
PRINTK("got %x in reset\n", r);
my_udelay(100);
}
n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */
if (i == 100)
printf("pcnet_reset_8390() did not complete.\n");
} /* pcnet_reset_8390 */
int my_check_delay(long delay)
{
struct timeval tv_start ;
struct timeval tv_end ;
volatile unsigned long time_diff ;
int result ;
int max_try = 3;
do_gettimeofday(&tv_start) ;
while(1){
time_diff = my_udelay(delay) ;
do_gettimeofday(&tv_end) ;
time_diff = my_check_diff_time(tv_start, tv_end);
if(time_diff >= delay || max_try-- <= 0)
break ;
}
if( (time_diff > (delay + delay)) || (time_diff < (delay - delay/2))){
printk("delay routine err req %d actual %d \n", delay, time_diff) ;
return -1 ;
}
return 0 ;
}