500 lines
14 KiB
C
500 lines
14 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Principal Author: Parag Patel
|
|
* Copyright (c) 2001
|
|
* 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 unmodified, 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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.
|
|
*
|
|
* Additional Copyright (c) 2001 by Traakan Software under same licence.
|
|
* Secondary Author: Matthew Jacob
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
/*
|
|
* driver for the Marvell 88E1000 series external 1000/100/10-BT PHY.
|
|
*/
|
|
|
|
/*
|
|
* Support added for the Marvell 88E1011 (Alaska) 1000/100/10baseTX and
|
|
* 1000baseSX PHY.
|
|
* Nathan Binkert <nate@openbsd.org>
|
|
* Jung-uk Kim <jkim@niksun.com>
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
#include <net/if_media.h>
|
|
|
|
#include <dev/mii/mii.h>
|
|
#include <dev/mii/miivar.h>
|
|
#include "miidevs.h"
|
|
|
|
#include <dev/mii/e1000phyreg.h>
|
|
|
|
#include "miibus_if.h"
|
|
|
|
static int e1000phy_probe(device_t);
|
|
static int e1000phy_attach(device_t);
|
|
|
|
static device_method_t e1000phy_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_probe, e1000phy_probe),
|
|
DEVMETHOD(device_attach, e1000phy_attach),
|
|
DEVMETHOD(device_detach, mii_phy_detach),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t e1000phy_driver = {
|
|
"e1000phy",
|
|
e1000phy_methods,
|
|
sizeof(struct mii_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(e1000phy, miibus, e1000phy_driver, 0, 0);
|
|
|
|
static int e1000phy_service(struct mii_softc *, struct mii_data *, int);
|
|
static void e1000phy_status(struct mii_softc *);
|
|
static void e1000phy_reset(struct mii_softc *);
|
|
static int e1000phy_mii_phy_auto(struct mii_softc *, int);
|
|
|
|
static const struct mii_phydesc e1000phys[] = {
|
|
MII_PHY_DESC(MARVELL, E1000),
|
|
MII_PHY_DESC(MARVELL, E1011),
|
|
MII_PHY_DESC(MARVELL, E1000_3),
|
|
MII_PHY_DESC(MARVELL, E1000_5),
|
|
MII_PHY_DESC(MARVELL, E1111),
|
|
MII_PHY_DESC(xxMARVELL, E1000),
|
|
MII_PHY_DESC(xxMARVELL, E1011),
|
|
MII_PHY_DESC(xxMARVELL, E1000_3),
|
|
MII_PHY_DESC(xxMARVELL, E1000S),
|
|
MII_PHY_DESC(xxMARVELL, E1000_5),
|
|
MII_PHY_DESC(xxMARVELL, E1101),
|
|
MII_PHY_DESC(xxMARVELL, E3082),
|
|
MII_PHY_DESC(xxMARVELL, E1112),
|
|
MII_PHY_DESC(xxMARVELL, E1149),
|
|
MII_PHY_DESC(xxMARVELL, E1111),
|
|
MII_PHY_DESC(xxMARVELL, E1116),
|
|
MII_PHY_DESC(xxMARVELL, E1116R),
|
|
MII_PHY_DESC(xxMARVELL, E1116R_29),
|
|
MII_PHY_DESC(xxMARVELL, E1118),
|
|
MII_PHY_DESC(xxMARVELL, E1145),
|
|
MII_PHY_DESC(xxMARVELL, E1149R),
|
|
MII_PHY_DESC(xxMARVELL, E3016),
|
|
MII_PHY_DESC(xxMARVELL, PHYG65G),
|
|
MII_PHY_END
|
|
};
|
|
|
|
static const struct mii_phy_funcs e1000phy_funcs = {
|
|
e1000phy_service,
|
|
e1000phy_status,
|
|
e1000phy_reset
|
|
};
|
|
|
|
static int
|
|
e1000phy_probe(device_t dev)
|
|
{
|
|
|
|
return (mii_phy_dev_probe(dev, e1000phys, BUS_PROBE_DEFAULT));
|
|
}
|
|
|
|
static int
|
|
e1000phy_attach(device_t dev)
|
|
{
|
|
struct mii_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &e1000phy_funcs, 0);
|
|
|
|
if (mii_dev_mac_match(dev, "msk") &&
|
|
(sc->mii_flags & MIIF_MACPRIV0) != 0)
|
|
sc->mii_flags |= MIIF_PHYPRIV0;
|
|
|
|
switch (sc->mii_mpd_model) {
|
|
case MII_MODEL_xxMARVELL_E1011:
|
|
case MII_MODEL_xxMARVELL_E1112:
|
|
if (PHY_READ(sc, E1000_ESSR) & E1000_ESSR_FIBER_LINK)
|
|
sc->mii_flags |= MIIF_HAVEFIBER;
|
|
break;
|
|
case MII_MODEL_xxMARVELL_E1149:
|
|
case MII_MODEL_xxMARVELL_E1149R:
|
|
/*
|
|
* Some 88E1149 PHY's page select is initialized to
|
|
* point to other bank instead of copper/fiber bank
|
|
* which in turn resulted in wrong registers were
|
|
* accessed during PHY operation. It is believed that
|
|
* page 0 should be used for copper PHY so reinitialize
|
|
* E1000_EADR to select default copper PHY. If parent
|
|
* device know the type of PHY(either copper or fiber),
|
|
* that information should be used to select default
|
|
* type of PHY.
|
|
*/
|
|
PHY_WRITE(sc, E1000_EADR, 0);
|
|
break;
|
|
}
|
|
|
|
PHY_RESET(sc);
|
|
|
|
sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
|
|
if (sc->mii_capabilities & BMSR_EXTSTAT) {
|
|
sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
|
|
if ((sc->mii_extcapabilities &
|
|
(EXTSR_1000TFDX | EXTSR_1000THDX)) != 0)
|
|
sc->mii_flags |= MIIF_HAVE_GTCR;
|
|
}
|
|
device_printf(dev, " ");
|
|
mii_phy_add_media(sc);
|
|
printf("\n");
|
|
|
|
MIIBUS_MEDIAINIT(sc->mii_dev);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
e1000phy_reset(struct mii_softc *sc)
|
|
{
|
|
uint16_t reg, page;
|
|
|
|
reg = PHY_READ(sc, E1000_SCR);
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) != 0) {
|
|
reg &= ~E1000_SCR_AUTO_X_MODE;
|
|
PHY_WRITE(sc, E1000_SCR, reg);
|
|
if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1112) {
|
|
/* Select 1000BASE-X only mode. */
|
|
page = PHY_READ(sc, E1000_EADR);
|
|
PHY_WRITE(sc, E1000_EADR, 2);
|
|
reg = PHY_READ(sc, E1000_SCR);
|
|
reg &= ~E1000_SCR_MODE_MASK;
|
|
reg |= E1000_SCR_MODE_1000BX;
|
|
PHY_WRITE(sc, E1000_SCR, reg);
|
|
if ((sc->mii_flags & MIIF_PHYPRIV0) != 0) {
|
|
/* Set SIGDET polarity low for SFP module. */
|
|
PHY_WRITE(sc, E1000_EADR, 1);
|
|
reg = PHY_READ(sc, E1000_SCR);
|
|
reg |= E1000_SCR_FIB_SIGDET_POLARITY;
|
|
PHY_WRITE(sc, E1000_SCR, reg);
|
|
}
|
|
PHY_WRITE(sc, E1000_EADR, page);
|
|
}
|
|
} else {
|
|
switch (sc->mii_mpd_model) {
|
|
case MII_MODEL_xxMARVELL_E1111:
|
|
case MII_MODEL_xxMARVELL_E1112:
|
|
case MII_MODEL_xxMARVELL_E1116:
|
|
case MII_MODEL_xxMARVELL_E1116R_29:
|
|
case MII_MODEL_xxMARVELL_E1118:
|
|
case MII_MODEL_xxMARVELL_E1149:
|
|
case MII_MODEL_xxMARVELL_E1149R:
|
|
case MII_MODEL_xxMARVELL_PHYG65G:
|
|
/* Disable energy detect mode. */
|
|
reg &= ~E1000_SCR_EN_DETECT_MASK;
|
|
reg |= E1000_SCR_AUTO_X_MODE;
|
|
if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116 ||
|
|
sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116R_29)
|
|
reg &= ~E1000_SCR_POWER_DOWN;
|
|
reg |= E1000_SCR_ASSERT_CRS_ON_TX;
|
|
break;
|
|
case MII_MODEL_xxMARVELL_E3082:
|
|
reg |= (E1000_SCR_AUTO_X_MODE >> 1);
|
|
reg |= E1000_SCR_ASSERT_CRS_ON_TX;
|
|
break;
|
|
case MII_MODEL_xxMARVELL_E3016:
|
|
reg |= E1000_SCR_AUTO_MDIX;
|
|
reg &= ~(E1000_SCR_EN_DETECT |
|
|
E1000_SCR_SCRAMBLER_DISABLE);
|
|
reg |= E1000_SCR_LPNP;
|
|
/* XXX Enable class A driver for Yukon FE+ A0. */
|
|
PHY_WRITE(sc, 0x1C, PHY_READ(sc, 0x1C) | 0x0001);
|
|
break;
|
|
default:
|
|
reg &= ~E1000_SCR_AUTO_X_MODE;
|
|
reg |= E1000_SCR_ASSERT_CRS_ON_TX;
|
|
break;
|
|
}
|
|
if (sc->mii_mpd_model != MII_MODEL_xxMARVELL_E3016) {
|
|
/* Auto correction for reversed cable polarity. */
|
|
reg &= ~E1000_SCR_POLARITY_REVERSAL;
|
|
}
|
|
PHY_WRITE(sc, E1000_SCR, reg);
|
|
|
|
if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116 ||
|
|
sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116R_29 ||
|
|
sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1149 ||
|
|
sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1149R) {
|
|
PHY_WRITE(sc, E1000_EADR, 2);
|
|
reg = PHY_READ(sc, E1000_SCR);
|
|
reg |= E1000_SCR_RGMII_POWER_UP;
|
|
PHY_WRITE(sc, E1000_SCR, reg);
|
|
PHY_WRITE(sc, E1000_EADR, 0);
|
|
}
|
|
}
|
|
|
|
switch (sc->mii_mpd_model) {
|
|
case MII_MODEL_xxMARVELL_E3082:
|
|
case MII_MODEL_xxMARVELL_E1112:
|
|
case MII_MODEL_xxMARVELL_E1118:
|
|
break;
|
|
case MII_MODEL_xxMARVELL_E1116:
|
|
case MII_MODEL_xxMARVELL_E1116R_29:
|
|
page = PHY_READ(sc, E1000_EADR);
|
|
/* Select page 3, LED control register. */
|
|
PHY_WRITE(sc, E1000_EADR, 3);
|
|
PHY_WRITE(sc, E1000_SCR,
|
|
E1000_SCR_LED_LOS(1) | /* Link/Act */
|
|
E1000_SCR_LED_INIT(8) | /* 10Mbps */
|
|
E1000_SCR_LED_STAT1(7) | /* 100Mbps */
|
|
E1000_SCR_LED_STAT0(7)); /* 1000Mbps */
|
|
/* Set blink rate. */
|
|
PHY_WRITE(sc, E1000_IER, E1000_PULSE_DUR(E1000_PULSE_170MS) |
|
|
E1000_BLINK_RATE(E1000_BLINK_84MS));
|
|
PHY_WRITE(sc, E1000_EADR, page);
|
|
break;
|
|
case MII_MODEL_xxMARVELL_E3016:
|
|
/* LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED. */
|
|
PHY_WRITE(sc, 0x16, 0x0B << 8 | 0x05 << 4 | 0x04);
|
|
/* Integrated register calibration workaround. */
|
|
PHY_WRITE(sc, 0x1D, 17);
|
|
PHY_WRITE(sc, 0x1E, 0x3F60);
|
|
break;
|
|
default:
|
|
/* Force TX_CLK to 25MHz clock. */
|
|
reg = PHY_READ(sc, E1000_ESCR);
|
|
reg |= E1000_ESCR_TX_CLK_25;
|
|
PHY_WRITE(sc, E1000_ESCR, reg);
|
|
break;
|
|
}
|
|
|
|
/* Reset the PHY so all changes take effect. */
|
|
reg = PHY_READ(sc, E1000_CR);
|
|
reg |= E1000_CR_RESET;
|
|
PHY_WRITE(sc, E1000_CR, reg);
|
|
}
|
|
|
|
static int
|
|
e1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
|
|
{
|
|
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
|
|
uint16_t speed, gig;
|
|
int reg;
|
|
|
|
switch (cmd) {
|
|
case MII_POLLSTAT:
|
|
break;
|
|
|
|
case MII_MEDIACHG:
|
|
if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) {
|
|
e1000phy_mii_phy_auto(sc, ife->ifm_media);
|
|
break;
|
|
}
|
|
|
|
speed = 0;
|
|
switch (IFM_SUBTYPE(ife->ifm_media)) {
|
|
case IFM_1000_T:
|
|
if ((sc->mii_flags & MIIF_HAVE_GTCR) == 0)
|
|
return (EINVAL);
|
|
speed = E1000_CR_SPEED_1000;
|
|
break;
|
|
case IFM_1000_SX:
|
|
if ((sc->mii_extcapabilities &
|
|
(EXTSR_1000XFDX | EXTSR_1000XHDX)) == 0)
|
|
return (EINVAL);
|
|
speed = E1000_CR_SPEED_1000;
|
|
break;
|
|
case IFM_100_TX:
|
|
speed = E1000_CR_SPEED_100;
|
|
break;
|
|
case IFM_10_T:
|
|
speed = E1000_CR_SPEED_10;
|
|
break;
|
|
case IFM_NONE:
|
|
reg = PHY_READ(sc, E1000_CR);
|
|
PHY_WRITE(sc, E1000_CR,
|
|
reg | E1000_CR_ISOLATE | E1000_CR_POWER_DOWN);
|
|
goto done;
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
|
|
if ((ife->ifm_media & IFM_FDX) != 0) {
|
|
speed |= E1000_CR_FULL_DUPLEX;
|
|
gig = E1000_1GCR_1000T_FD;
|
|
} else
|
|
gig = E1000_1GCR_1000T;
|
|
|
|
reg = PHY_READ(sc, E1000_CR);
|
|
reg &= ~E1000_CR_AUTO_NEG_ENABLE;
|
|
PHY_WRITE(sc, E1000_CR, reg | E1000_CR_RESET);
|
|
|
|
if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {
|
|
gig |= E1000_1GCR_MS_ENABLE;
|
|
if ((ife->ifm_media & IFM_ETH_MASTER) != 0)
|
|
gig |= E1000_1GCR_MS_VALUE;
|
|
} else if ((sc->mii_flags & MIIF_HAVE_GTCR) != 0)
|
|
gig = 0;
|
|
PHY_WRITE(sc, E1000_1GCR, gig);
|
|
PHY_WRITE(sc, E1000_AR, E1000_AR_SELECTOR_FIELD);
|
|
PHY_WRITE(sc, E1000_CR, speed | E1000_CR_RESET);
|
|
done:
|
|
break;
|
|
case MII_TICK:
|
|
/*
|
|
* Only used for autonegotiation.
|
|
*/
|
|
if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
|
|
sc->mii_ticks = 0;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* check for link.
|
|
* Read the status register twice; BMSR_LINK is latch-low.
|
|
*/
|
|
reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
|
|
if (reg & BMSR_LINK) {
|
|
sc->mii_ticks = 0;
|
|
break;
|
|
}
|
|
|
|
/* Announce link loss right after it happens. */
|
|
if (sc->mii_ticks++ == 0)
|
|
break;
|
|
if (sc->mii_ticks <= sc->mii_anegticks)
|
|
break;
|
|
|
|
sc->mii_ticks = 0;
|
|
PHY_RESET(sc);
|
|
e1000phy_mii_phy_auto(sc, ife->ifm_media);
|
|
break;
|
|
}
|
|
|
|
/* Update the media status. */
|
|
PHY_STATUS(sc);
|
|
|
|
/* Callback if something changed. */
|
|
mii_phy_update(sc, cmd);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
e1000phy_status(struct mii_softc *sc)
|
|
{
|
|
struct mii_data *mii = sc->mii_pdata;
|
|
int bmcr, bmsr, ssr;
|
|
|
|
mii->mii_media_status = IFM_AVALID;
|
|
mii->mii_media_active = IFM_ETHER;
|
|
|
|
bmsr = PHY_READ(sc, E1000_SR) | PHY_READ(sc, E1000_SR);
|
|
bmcr = PHY_READ(sc, E1000_CR);
|
|
ssr = PHY_READ(sc, E1000_SSR);
|
|
|
|
if (bmsr & E1000_SR_LINK_STATUS)
|
|
mii->mii_media_status |= IFM_ACTIVE;
|
|
|
|
if (bmcr & E1000_CR_LOOPBACK)
|
|
mii->mii_media_active |= IFM_LOOP;
|
|
|
|
if ((bmcr & E1000_CR_AUTO_NEG_ENABLE) != 0 &&
|
|
(ssr & E1000_SSR_SPD_DPLX_RESOLVED) == 0) {
|
|
/* Erg, still trying, I guess... */
|
|
mii->mii_media_active |= IFM_NONE;
|
|
return;
|
|
}
|
|
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
|
|
switch (ssr & E1000_SSR_SPEED) {
|
|
case E1000_SSR_1000MBS:
|
|
mii->mii_media_active |= IFM_1000_T;
|
|
break;
|
|
case E1000_SSR_100MBS:
|
|
mii->mii_media_active |= IFM_100_TX;
|
|
break;
|
|
case E1000_SSR_10MBS:
|
|
mii->mii_media_active |= IFM_10_T;
|
|
break;
|
|
default:
|
|
mii->mii_media_active |= IFM_NONE;
|
|
return;
|
|
}
|
|
} else {
|
|
/*
|
|
* Some fiber PHY(88E1112) does not seem to set resolved
|
|
* speed so always assume we've got IFM_1000_SX.
|
|
*/
|
|
mii->mii_media_active |= IFM_1000_SX;
|
|
}
|
|
|
|
if (ssr & E1000_SSR_DUPLEX) {
|
|
mii->mii_media_active |= IFM_FDX;
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0)
|
|
mii->mii_media_active |= mii_phy_flowstatus(sc);
|
|
} else
|
|
mii->mii_media_active |= IFM_HDX;
|
|
|
|
if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) {
|
|
if (((PHY_READ(sc, E1000_1GSR) | PHY_READ(sc, E1000_1GSR)) &
|
|
E1000_1GSR_MS_CONFIG_RES) != 0)
|
|
mii->mii_media_active |= IFM_ETH_MASTER;
|
|
}
|
|
}
|
|
|
|
static int
|
|
e1000phy_mii_phy_auto(struct mii_softc *sc, int media)
|
|
{
|
|
uint16_t reg;
|
|
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
|
|
reg = PHY_READ(sc, E1000_AR);
|
|
reg &= ~(E1000_AR_PAUSE | E1000_AR_ASM_DIR);
|
|
reg |= E1000_AR_10T | E1000_AR_10T_FD |
|
|
E1000_AR_100TX | E1000_AR_100TX_FD;
|
|
if ((media & IFM_FLOW) != 0 ||
|
|
(sc->mii_flags & MIIF_FORCEPAUSE) != 0)
|
|
reg |= E1000_AR_PAUSE | E1000_AR_ASM_DIR;
|
|
PHY_WRITE(sc, E1000_AR, reg | E1000_AR_SELECTOR_FIELD);
|
|
} else
|
|
PHY_WRITE(sc, E1000_AR, E1000_FA_1000X_FD | E1000_FA_1000X);
|
|
if ((sc->mii_flags & MIIF_HAVE_GTCR) != 0) {
|
|
reg = 0;
|
|
if ((sc->mii_extcapabilities & EXTSR_1000TFDX) != 0)
|
|
reg |= E1000_1GCR_1000T_FD;
|
|
if ((sc->mii_extcapabilities & EXTSR_1000THDX) != 0)
|
|
reg |= E1000_1GCR_1000T;
|
|
PHY_WRITE(sc, E1000_1GCR, reg);
|
|
}
|
|
PHY_WRITE(sc, E1000_CR,
|
|
E1000_CR_AUTO_NEG_ENABLE | E1000_CR_RESTART_AUTO_NEG);
|
|
|
|
return (EJUSTRETURN);
|
|
}
|