diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2007-10-05 10:26:28 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2007-10-05 10:26:28 +0000 |
| commit | 706b4bb70cc85785c5170ff71fda17f776be00fb (patch) | |
| tree | fe6b3bb664f594bf51ab5ca6e91815ac0e2294df /sys/dev/mii | |
| parent | 547b905d9397e87f997709212f125f2cc69553fc (diff) | |
Disable fiber/copper auto-selection on the 88E1111 if it is in RGMII mode, to
work around the fact that the onboard PHYs attached to nfe(4) on the Sun
X4100 M2 have fiber/copper auto-selection enabled even though the interfaces
are clearly copper-only.
Fixes PR system/5587.
ok jsg@, claudio@
Diffstat (limited to 'sys/dev/mii')
| -rw-r--r-- | sys/dev/mii/eephy.c | 22 | ||||
| -rw-r--r-- | sys/dev/mii/eephyreg.h | 5 |
2 files changed, 25 insertions, 2 deletions
diff --git a/sys/dev/mii/eephy.c b/sys/dev/mii/eephy.c index 0095694b69c..4dbd4026943 100644 --- a/sys/dev/mii/eephy.c +++ b/sys/dev/mii/eephy.c @@ -1,4 +1,4 @@ -/* $OpenBSD: eephy.c,v 1.40 2007/02/11 21:29:24 kettenis Exp $ */ +/* $OpenBSD: eephy.c,v 1.41 2007/10/05 10:26:27 kettenis Exp $ */ /* * Principal Author: Parag Patel * Copyright (c) 2001 @@ -148,6 +148,26 @@ eephyattach(struct device *parent, struct device *self, void *aux) /* XXX No loopback support yet, although the hardware can do it. */ sc->mii_flags |= MIIF_NOLOOP; + /* Switch to copper-only mode if necessary. */ + if (sc->mii_model == MII_MODEL_MARVELL_E1111 && + (sc->mii_flags & MIIF_HAVEFIBER) == 0) { + /* + * The onboard 88E1111 PHYs on the Sun X4100 M2 come + * up with fiber/copper auto-selection enabled, even + * though the machine only has copper ports. This + * makes the chip autoselect to 1000baseX, and makes + * it impossible to select any other media. So + * disable fiber/copper autoselection. + */ + reg = PHY_READ(sc, E1000_ESSR); + if ((reg & E1000_ESSR_HWCFG_MODE) == E1000_ESSR_GMII_COPPER) { + reg |= E1000_ESSR_DIS_FC; + PHY_WRITE(sc, E1000_ESSR, reg); + + PHY_RESET(sc); + } + } + /* Switch to fiber-only mode if necessary. */ if (sc->mii_model == MII_MODEL_MARVELL_E1112 && sc->mii_flags & MIIF_HAVEFIBER) { diff --git a/sys/dev/mii/eephyreg.h b/sys/dev/mii/eephyreg.h index b5f31730869..76af83b2c23 100644 --- a/sys/dev/mii/eephyreg.h +++ b/sys/dev/mii/eephyreg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: eephyreg.h,v 1.5 2006/11/28 18:29:29 brad Exp $ */ +/* $OpenBSD: eephyreg.h,v 1.6 2007/10/05 10:26:27 kettenis Exp $ */ /* * Principal Author: Parag Patel * Copyright (c) 2001 @@ -313,8 +313,11 @@ /* The following register is found only on the 88E1011 Alaska PHY */ #define E1000_ESSR 0x1B /* Extended PHY specific sts */ +#define E1000_ESSR_DIS_FC 0x8000 #define E1000_ESSR_FIBER_LINK 0x2000 +#define E1000_ESSR_HWCFG_MODE 0x000f #define E1000_ESSR_GMII_COPPER 0x000f #define E1000_ESSR_GMII_FIBER 0x0007 #define E1000_ESSR_TBI_COPPER 0x000d #define E1000_ESSR_TBI_FIBER 0x0005 +#define E1000_ESSR_RGMII_COPPER 0x000b |