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make auto negotiation work on 82562et (thanks mischief!)

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the diver used to skip auto negotiation when
auto-negotiation enable (bit 12 in command register)
was clear.

setting the bit now, which makes auto negotiation work.

we skip auto negotiation only when it was already enabled
and status regiser indicates completion (bit 9).
This commit is contained in:
cinap_lenrek 2013-11-01 23:39:41 +01:00
parent b41bf07867
commit f87baec1d0
1 changed files with 19 additions and 19 deletions
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38
sys/src/9/pc/ether82557.c
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@ -1212,26 +1212,26 @@ reset(Ether* ether)
*/
miir(ctlr, phyaddr, 0x01);
bmsr = miir(ctlr, phyaddr, 0x01);
if((miir(ctlr, phyaddr, 0) & 0x1000) && !(bmsr & 0x0020)){
miiw(ctlr, phyaddr, 0x1A, 0x2010);
x = miir(ctlr, phyaddr, 0);
miiw(ctlr, phyaddr, 0, 0x0200|x);
for(i = 0; i < 3000; i++){
delay(1);
if(miir(ctlr, phyaddr, 0x01) & 0x0020)
break;
}
miiw(ctlr, phyaddr, 0x1A, 0x2000);
anar = miir(ctlr, phyaddr, 0x04);
anlpar = miir(ctlr, phyaddr, 0x05) & 0x03E0;
anar &= anlpar;
bmcr = 0;
if(anar & 0x380)
bmcr = 0x2000;
if(anar & 0x0140)
bmcr |= 0x0100;
if((miir(ctlr, phyaddr, 0) & 0x1000) && (bmsr & 0x0020))
break;
miiw(ctlr, phyaddr, 0x1A, 0x2010);
x = miir(ctlr, phyaddr, 0);
miiw(ctlr, phyaddr, 0, 0x1200|x);
for(i = 0; i < 3000; i++){
delay(1);
if(miir(ctlr, phyaddr, 0x01) & 0x0020)
break;
}
miiw(ctlr, phyaddr, 0x1A, 0x2000);
anar = miir(ctlr, phyaddr, 0x04);
anlpar = miir(ctlr, phyaddr, 0x05) & 0x03E0;
anar &= anlpar;
bmcr = 0;
if(anar & 0x380)
bmcr = 0x2000;
if(anar & 0x0140)
bmcr |= 0x0100;
break;
}