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freebsd-skq/sys/dev/mii/xmphy.c

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Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
/*
* Copyright (c) 2000
* Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* driver for the XaQti XMAC II's internal PHY. This is sort of
* like a 10/100 PHY, except the only thing we're really autoselecting
* here is full/half duplex. Speed is always 1000mbps.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <sys/bus.h>
#include <net/if.h>
#include <net/if_media.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/mii/miidevs.h>
#include <dev/mii/xmphyreg.h>
#include "miibus_if.h"
#if !defined(lint)
static const char rcsid[] =
"$FreeBSD$";
#endif
Remove __P.
2002-03-20 02:08:01 +00:00
static int xmphy_probe (device_t);
static int xmphy_attach (device_t);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
static device_method_t xmphy_methods[] = {
/* device interface */
DEVMETHOD(device_probe, xmphy_probe),
DEVMETHOD(device_attach, xmphy_attach),
Make one generic mii_phy_detach() to replace 19 slightly different ones. Rename mii_phy_auto_stop() mii_phy_down(). Introduce mii_down(), use it from nge. Do not indirect it to 19 identical case's in 19 switchstatements like NetBSD did.
2002-04-29 13:07:38 +00:00
DEVMETHOD(device_detach, mii_phy_detach),
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
DEVMETHOD(device_shutdown, bus_generic_shutdown),
{ 0, 0 }
};
static devclass_t xmphy_devclass;
static driver_t xmphy_driver = {
"xmphy",
xmphy_methods,
sizeof(struct mii_softc)
};
DRIVER_MODULE(xmphy, miibus, xmphy_driver, xmphy_devclass, 0, 0);
Remove __P.
2002-03-20 02:08:01 +00:00
static int xmphy_service(struct mii_softc *, struct mii_data *, int);
static void xmphy_status(struct mii_softc *);
Clean up mii/phy drivers: Remove the MIIF_DOINGAUTO which doesn't really do anything at the end of the day except bloat the drivers which has copy&pasted it.
2002-05-04 11:00:30 +00:00
static int xmphy_mii_phy_auto(struct mii_softc *);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
static int xmphy_probe(dev)
device_t dev;
{
struct mii_attach_args *ma;
ma = device_get_ivars(dev);
Tweak the xmphy driver a little bit based on something I learned about the built-in 1000baseX interface in the Level 1 LXT1001 chip. The Level 1 PHY comes up with the isolate bit in the control register set by default, but it also has the autonegotiate bit set. When you tell the xmphy driver to select IFM_AUTO mode, it sees that the autoneg bit is already on, and thus doesn't bother updating the control register. However this means that the isolate bit is never turned off (unless you manually select 1000baseSX full or half duplex mode, which does result in the control register being modified and the ISO bit being turned off). This subtle and unusual behavioral difference stopped me from being able to receive packets on the SMC9462TX card for several days, since isolating the PHY disconnects it from the MAC's data interface. The fix is to omit the 'is the autoneg big set?' test, since it doesn't really provide much of an optimization anyway. This commit also updates the xmphy driver to support the Jato/Level 1 internal PHY. (I'm not sure how Jato Technologies is related to Level 1: all I know is the OUI from the PHY ID registers maps to Jato in the OUI database.) This will be used once I add the if_lge driver to support the LXT10010 chip.
2001-05-23 22:10:55 +00:00
if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxXAQTI &&
MII_MODEL(ma->mii_id2) == MII_MODEL_XAQTI_XMACII) {
device_set_desc(dev, MII_STR_XAQTI_XMACII);
return(0);
}
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
Tweak the xmphy driver a little bit based on something I learned about the built-in 1000baseX interface in the Level 1 LXT1001 chip. The Level 1 PHY comes up with the isolate bit in the control register set by default, but it also has the autonegotiate bit set. When you tell the xmphy driver to select IFM_AUTO mode, it sees that the autoneg bit is already on, and thus doesn't bother updating the control register. However this means that the isolate bit is never turned off (unless you manually select 1000baseSX full or half duplex mode, which does result in the control register being modified and the ISO bit being turned off). This subtle and unusual behavioral difference stopped me from being able to receive packets on the SMC9462TX card for several days, since isolating the PHY disconnects it from the MAC's data interface. The fix is to omit the 'is the autoneg big set?' test, since it doesn't really provide much of an optimization anyway. This commit also updates the xmphy driver to support the Jato/Level 1 internal PHY. (I'm not sure how Jato Technologies is related to Level 1: all I know is the OUI from the PHY ID registers maps to Jato in the OUI database.) This will be used once I add the if_lge driver to support the LXT10010 chip.
2001-05-23 22:10:55 +00:00
if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_JATO &&
MII_MODEL(ma->mii_id2) == MII_MODEL_JATO_BASEX) {
device_set_desc(dev, MII_STR_JATO_BASEX);
return(0);
}
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
Tweak the xmphy driver a little bit based on something I learned about the built-in 1000baseX interface in the Level 1 LXT1001 chip. The Level 1 PHY comes up with the isolate bit in the control register set by default, but it also has the autonegotiate bit set. When you tell the xmphy driver to select IFM_AUTO mode, it sees that the autoneg bit is already on, and thus doesn't bother updating the control register. However this means that the isolate bit is never turned off (unless you manually select 1000baseSX full or half duplex mode, which does result in the control register being modified and the ISO bit being turned off). This subtle and unusual behavioral difference stopped me from being able to receive packets on the SMC9462TX card for several days, since isolating the PHY disconnects it from the MAC's data interface. The fix is to omit the 'is the autoneg big set?' test, since it doesn't really provide much of an optimization anyway. This commit also updates the xmphy driver to support the Jato/Level 1 internal PHY. (I'm not sure how Jato Technologies is related to Level 1: all I know is the OUI from the PHY ID registers maps to Jato in the OUI database.) This will be used once I add the if_lge driver to support the LXT10010 chip.
2001-05-23 22:10:55 +00:00
return(ENXIO);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
}
static int xmphy_attach(dev)
device_t dev;
{
struct mii_softc *sc;
struct mii_attach_args *ma;
struct mii_data *mii;
const char *sep = "";
sc = device_get_softc(dev);
ma = device_get_ivars(dev);
sc->mii_dev = device_get_parent(dev);
mii = device_get_softc(sc->mii_dev);
LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
sc->mii_inst = mii->mii_instance;
sc->mii_phy = ma->mii_phyno;
sc->mii_service = xmphy_service;
sc->mii_pdata = mii;
sc->mii_flags |= MIIF_NOISOLATE;
mii->mii_instance++;
#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
#define PRINT(s) printf("%s%s", sep, s); sep = ", "
ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
BMCR_ISO);
#if 0
ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
BMCR_LOOP|BMCR_S100);
#endif
mii_phy_reset(sc);
device_printf(dev, " ");
ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, 0, sc->mii_inst),
XMPHY_BMCR_FDX);
PRINT("1000baseSX");
ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst), 0);
PRINT("1000baseSX-FDX");
ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
PRINT("auto");
printf("\n");
#undef ADD
#undef PRINT
MIIBUS_MEDIAINIT(sc->mii_dev);
return(0);
}
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
static int
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
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xmphy_service(sc, mii, cmd)
struct mii_softc *sc;
struct mii_data *mii;
int cmd;
{
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int reg;
switch (cmd) {
case MII_POLLSTAT:
/*
* If we're not polling our PHY instance, just return.
*/
if (IFM_INST(ife->ifm_media) != sc->mii_inst)
return (0);
break;
case MII_MEDIACHG:
/*
* If the media indicates a different PHY instance,
* isolate ourselves.
*/
if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
reg = PHY_READ(sc, MII_BMCR);
PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
return (0);
}
/*
* If the interface is not up, don't do anything.
*/
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
break;
switch (IFM_SUBTYPE(ife->ifm_media)) {
case IFM_AUTO:
Tweak the xmphy driver a little bit based on something I learned about the built-in 1000baseX interface in the Level 1 LXT1001 chip. The Level 1 PHY comes up with the isolate bit in the control register set by default, but it also has the autonegotiate bit set. When you tell the xmphy driver to select IFM_AUTO mode, it sees that the autoneg bit is already on, and thus doesn't bother updating the control register. However this means that the isolate bit is never turned off (unless you manually select 1000baseSX full or half duplex mode, which does result in the control register being modified and the ISO bit being turned off). This subtle and unusual behavioral difference stopped me from being able to receive packets on the SMC9462TX card for several days, since isolating the PHY disconnects it from the MAC's data interface. The fix is to omit the 'is the autoneg big set?' test, since it doesn't really provide much of an optimization anyway. This commit also updates the xmphy driver to support the Jato/Level 1 internal PHY. (I'm not sure how Jato Technologies is related to Level 1: all I know is the OUI from the PHY ID registers maps to Jato in the OUI database.) This will be used once I add the if_lge driver to support the LXT10010 chip.
2001-05-23 22:10:55 +00:00
#ifdef foo
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
/*
* If we're already in auto mode, just return.
*/
if (PHY_READ(sc, XMPHY_MII_BMCR) & XMPHY_BMCR_AUTOEN)
return (0);
Tweak the xmphy driver a little bit based on something I learned about the built-in 1000baseX interface in the Level 1 LXT1001 chip. The Level 1 PHY comes up with the isolate bit in the control register set by default, but it also has the autonegotiate bit set. When you tell the xmphy driver to select IFM_AUTO mode, it sees that the autoneg bit is already on, and thus doesn't bother updating the control register. However this means that the isolate bit is never turned off (unless you manually select 1000baseSX full or half duplex mode, which does result in the control register being modified and the ISO bit being turned off). This subtle and unusual behavioral difference stopped me from being able to receive packets on the SMC9462TX card for several days, since isolating the PHY disconnects it from the MAC's data interface. The fix is to omit the 'is the autoneg big set?' test, since it doesn't really provide much of an optimization anyway. This commit also updates the xmphy driver to support the Jato/Level 1 internal PHY. (I'm not sure how Jato Technologies is related to Level 1: all I know is the OUI from the PHY ID registers maps to Jato in the OUI database.) This will be used once I add the if_lge driver to support the LXT10010 chip.
2001-05-23 22:10:55 +00:00
#endif
Clean up mii/phy drivers: Remove the MIIF_DOINGAUTO which doesn't really do anything at the end of the day except bloat the drivers which has copy&pasted it.
2002-05-04 11:00:30 +00:00
(void) xmphy_mii_phy_auto(sc);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
break;
case IFM_1000_SX:
mii_phy_reset(sc);
if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
PHY_WRITE(sc, XMPHY_MII_ANAR, XMPHY_ANAR_FDX);
PHY_WRITE(sc, XMPHY_MII_BMCR, XMPHY_BMCR_FDX);
} else {
PHY_WRITE(sc, XMPHY_MII_ANAR, XMPHY_ANAR_HDX);
PHY_WRITE(sc, XMPHY_MII_BMCR, 0);
}
break;
case IFM_100_T4:
case IFM_100_TX:
case IFM_10_T:
default:
return (EINVAL);
}
break;
case MII_TICK:
/*
* If we're not currently selected, just return.
*/
if (IFM_INST(ife->ifm_media) != sc->mii_inst)
return (0);
/*
* Is the interface even up?
*/
if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
return (0);
/*
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
* Only used for autonegotiation.
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
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*/
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
break;
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
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/*
* Check to see if we have link. If we do, we don't
* need to restart the autonegotiation process. Read
* the BMSR twice in case it's latched.
*/
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
if (reg & BMSR_LINK)
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
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break;
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
/*
* Only retry autonegotiation every 5 seconds.
*/
if (++sc->mii_ticks != 5)
return (0);
sc->mii_ticks = 0;
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
mii_phy_reset(sc);
Clean up mii/phy drivers: Remove the MIIF_DOINGAUTO which doesn't really do anything at the end of the day except bloat the drivers which has copy&pasted it.
2002-05-04 11:00:30 +00:00
xmphy_mii_phy_auto(sc);
return(0);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
}
/* Update the media status. */
xmphy_status(sc);
/* Callback if something changed. */
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
mii_phy_update(sc, cmd);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
return (0);
}
Cleanup pass for mii drivers. . Make internal service routines static. . Use a consistent ordering of checks in MII_TICK. Do the work in the mii_phy_tick() subroutine if appropriate. . Call mii_phy_update() to trigger the callbacks.
2001-09-29 19:18:52 +00:00
static void
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
xmphy_status(sc)
struct mii_softc *sc;
{
struct mii_data *mii = sc->mii_pdata;
int bmsr, bmcr, anlpar;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, XMPHY_MII_BMSR) |
PHY_READ(sc, XMPHY_MII_BMSR);
if (bmsr & XMPHY_BMSR_LINK)
mii->mii_media_status |= IFM_ACTIVE;
/* Do dummy read of extended status register. */
bmcr = PHY_READ(sc, XMPHY_MII_EXTSTS);
bmcr = PHY_READ(sc, XMPHY_MII_BMCR);
if (bmcr & XMPHY_BMCR_LOOP)
mii->mii_media_active |= IFM_LOOP;
if (bmcr & XMPHY_BMCR_AUTOEN) {
if ((bmsr & XMPHY_BMSR_ACOMP) == 0) {
if (bmsr & XMPHY_BMSR_LINK) {
mii->mii_media_active |= IFM_1000_SX|IFM_HDX;
return;
}
/* Erg, still trying, I guess... */
mii->mii_media_active |= IFM_NONE;
return;
}
mii->mii_media_active |= IFM_1000_SX;
anlpar = PHY_READ(sc, XMPHY_MII_ANAR) &
PHY_READ(sc, XMPHY_MII_ANLPAR);
if (anlpar & XMPHY_ANLPAR_FDX)
mii->mii_media_active |= IFM_FDX;
else
mii->mii_media_active |= IFM_HDX;
return;
}
mii->mii_media_active |= IFM_1000_SX;
if (bmcr & XMPHY_BMCR_FDX)
mii->mii_media_active |= IFM_FDX;
else
mii->mii_media_active |= IFM_HDX;
return;
}
static int
Clean up mii/phy drivers: Remove the MIIF_DOINGAUTO which doesn't really do anything at the end of the day except bloat the drivers which has copy&pasted it.
2002-05-04 11:00:30 +00:00
xmphy_mii_phy_auto(mii)
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
struct mii_softc *mii;
{
Clean up mii/phy drivers: Remove the MIIF_DOINGAUTO which doesn't really do anything at the end of the day except bloat the drivers which has copy&pasted it.
2002-05-04 11:00:30 +00:00
int anar = 0;
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
Clean up mii/phy drivers: Remove the MIIF_DOINGAUTO which doesn't really do anything at the end of the day except bloat the drivers which has copy&pasted it.
2002-05-04 11:00:30 +00:00
anar = PHY_READ(mii, XMPHY_MII_ANAR);
anar |= XMPHY_ANAR_FDX|XMPHY_ANAR_HDX;
PHY_WRITE(mii, XMPHY_MII_ANAR, anar);
DELAY(1000);
PHY_WRITE(mii, XMPHY_MII_BMCR,
XMPHY_BMCR_AUTOEN | XMPHY_BMCR_STARTNEG);
Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400 1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet driver shortly.
2000-04-22 01:58:18 +00:00
return (EJUSTRETURN);
}
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