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Try a little harder to work around the "Isolated After Reset" lossage.

This commit is contained in:
scw 2002-09-28 10:27:21 +00:00
parent ee37eef012
commit cbc5db835b
1 changed files with 6 additions and 4 deletions
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10
sys/dev/mii/sqphy.c
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@ -1,4 +1,4 @@
/* $NetBSD: sqphy.c,v 1.29 2002/09/27 20:39:26 thorpej Exp $ */
/* $NetBSD: sqphy.c,v 1.30 2002/09/28 10:27:21 scw Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
@ -72,7 +72,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sqphy.c,v 1.29 2002/09/27 20:39:26 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: sqphy.c,v 1.30 2002/09/28 10:27:21 scw Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -199,6 +199,7 @@ sqphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
* isolate ourselves.
*/
if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
printf("sqphy: isolating\n");
reg = PHY_READ(sc, MII_BMCR);
PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
return (0);
@ -302,10 +303,11 @@ sqphy_84220_reset(struct mii_softc *sc)
*
* This sucks.
*/
if ((sc->mii_inst == 0 || (sc->mii_flags & MIIF_NOISOLATE)) &&
while ((sc->mii_inst == 0 || (sc->mii_flags & MIIF_NOISOLATE)) &&
((reg = PHY_READ(sc, MII_BMCR)) & BMCR_ISO) != 0) {
delay(30000);
delay(35000);
PHY_WRITE(sc, MII_BMCR, reg & ~BMCR_ISO);
delay(35000);
}
}