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ether82563: work arround for 82579LM on Lenovo X230

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dont reset the the phy on reset as this causes the link
to be stuck at 10mbps.
This commit is contained in:
cinap_lenrek 2013-07-24 22:17:13 +02:00
parent 9a5763624f
commit 2759b81dec
1 changed files with 6 additions and 0 deletions
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6
sys/src/9/pc/ether82563.c
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@ -1604,6 +1604,12 @@ i82563detach(Ctlr *ctlr)
r = csr32r(ctlr, Ctrl);
if(ctlr->type == i82566 || ctlr->type == i82579)
r |= Phyrst;
/*
* hack: 82579LM on lenovo X230 is stuck at 10mbps after
* reseting the phy, but works fine if we dont reset.
*/
if(ctlr->pcidev->did == 0x1502)
r &= ~Phyrst;
csr32w(ctlr, Ctrl, Devrst | r);
delay(1);
for(timeo = 0;; timeo++){