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Add workaround for 82543GC. 

We need to force speed and duplex on the MAC equal to what the PHY
speed and duplex configuration is. Fixes PR#36430.
This commit is contained in:
msaitoh 2009-03-29 16:22:17 +00:00
parent d3739e6172
commit 60500a38d2
1 changed files with 40 additions and 2 deletions
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42
sys/dev/pci/if_wm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_wm.c,v 1.169 2009/03/20 07:29:15 msaitoh Exp $ */
/* $NetBSD: if_wm.c,v 1.170 2009/03/29 16:22:17 msaitoh Exp $ */
/*
* Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@ -79,7 +79,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.169 2009/03/20 07:29:15 msaitoh Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.170 2009/03/29 16:22:17 msaitoh Exp $");
#include "bpfilter.h"
#include "rnd.h"
@ -2794,6 +2794,44 @@ wm_linkintr(struct wm_softc *sc, uint32_t icr)
("%s: LINK: LSC -> mii_tick\n",
device_xname(sc->sc_dev)));
mii_tick(&sc->sc_mii);
if (sc->sc_type == WM_T_82543) {
int miistatus, active;
/*
* With 82543, we need to force speed and
* duplex on the MAC equal to what the PHY
* speed and duplex configuration is.
*/
miistatus = sc->sc_mii.mii_media_status;
if (miistatus & IFM_ACTIVE) {
active = sc->sc_mii.mii_media_active;
sc->sc_ctrl &= ~(CTRL_SPEED_MASK
| CTRL_FD);
switch (IFM_SUBTYPE(active)) {
case IFM_10_T:
sc->sc_ctrl |= CTRL_SPEED_10;
break;
case IFM_100_TX:
sc->sc_ctrl |= CTRL_SPEED_100;
break;
case IFM_1000_T:
sc->sc_ctrl |= CTRL_SPEED_1000;
break;
default:
/*
* fiber?
* Shoud not enter here.
*/
printf("unknown media (%x)\n",
active);
break;
}
if (active & IFM_FDX)
sc->sc_ctrl |= CTRL_FD;
CSR_WRITE(sc, WMREG_CTRL, sc->sc_ctrl);
}
}
} else if (icr & ICR_RXSEQ) {
DPRINTF(WM_DEBUG_LINK,
("%s: LINK Receive sequence error\n",