OpenBSD-4.6/sys/dev/mii/brgphy.c
/* $OpenBSD: brgphy.c,v 1.87 2009/07/03 04:54:05 dlg Exp $ */
/*
* 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: brgphy.c,v 1.8 2002/03/22 06:38:52 wpaul Exp $
*/
/*
* Driver for the Broadcom BCR5400 1000baseTX PHY. Speed is always
* 1000mbps; all we need to negotiate here is full or half duplex.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <sys/errno.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <dev/pci/pcivar.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/mii/miidevs.h>
#include <dev/mii/brgphyreg.h>
#include <dev/pci/if_bgereg.h>
#include <dev/pci/if_bnxreg.h>
int brgphy_probe(struct device *, void *, void *);
void brgphy_attach(struct device *, struct device *, void *);
struct cfattach brgphy_ca = {
sizeof(struct mii_softc), brgphy_probe, brgphy_attach, mii_phy_detach,
mii_phy_activate
};
struct cfdriver brgphy_cd = {
NULL, "brgphy", DV_DULL
};
int brgphy_service(struct mii_softc *, struct mii_data *, int);
void brgphy_copper_status(struct mii_softc *);
void brgphy_fiber_status(struct mii_softc *);
void brgphy_5708s_status(struct mii_softc *);
int brgphy_mii_phy_auto(struct mii_softc *);
void brgphy_loop(struct mii_softc *);
void brgphy_reset(struct mii_softc *);
void brgphy_bcm5401_dspcode(struct mii_softc *);
void brgphy_bcm5411_dspcode(struct mii_softc *);
void brgphy_bcm5421_dspcode(struct mii_softc *);
void brgphy_bcm54k2_dspcode(struct mii_softc *);
void brgphy_adc_bug(struct mii_softc *);
void brgphy_5704_a0_bug(struct mii_softc *);
void brgphy_ber_bug(struct mii_softc *);
void brgphy_crc_bug(struct mii_softc *);
void brgphy_disable_early_dac(struct mii_softc *sc);
void brgphy_jumbo_settings(struct mii_softc *);
void brgphy_eth_wirespeed(struct mii_softc *);
const struct mii_phy_funcs brgphy_copper_funcs = {
brgphy_service, brgphy_copper_status, brgphy_reset,
};
const struct mii_phy_funcs brgphy_fiber_funcs = {
brgphy_service, brgphy_fiber_status, brgphy_reset,
};
const struct mii_phy_funcs brgphy_5708s_funcs = {
brgphy_service, brgphy_5708s_status, brgphy_reset,
};
static const struct mii_phydesc brgphys[] = {
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5400,
MII_STR_xxBROADCOM_BCM5400 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5401,
MII_STR_xxBROADCOM_BCM5401 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5411,
MII_STR_xxBROADCOM_BCM5411 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5421,
MII_STR_xxBROADCOM_BCM5421 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM54K2,
MII_STR_xxBROADCOM_BCM54K2 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5462,
MII_STR_xxBROADCOM_BCM5462 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5701,
MII_STR_xxBROADCOM_BCM5701 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5703,
MII_STR_xxBROADCOM_BCM5703 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5704,
MII_STR_xxBROADCOM_BCM5704 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5705,
MII_STR_xxBROADCOM_BCM5705 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5714,
MII_STR_xxBROADCOM_BCM5714 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5750,
MII_STR_xxBROADCOM_BCM5750 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5752,
MII_STR_xxBROADCOM_BCM5752 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5780,
MII_STR_xxBROADCOM_BCM5780 },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5722,
MII_STR_xxBROADCOM2_BCM5722 },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5755,
MII_STR_xxBROADCOM2_BCM5755 },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5784,
MII_STR_xxBROADCOM2_BCM5784 },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5787,
MII_STR_xxBROADCOM2_BCM5787 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5706,
MII_STR_xxBROADCOM_BCM5706 },
{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5708C,
MII_STR_xxBROADCOM_BCM5708C },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5708S,
MII_STR_xxBROADCOM2_BCM5708S },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5709C,
MII_STR_xxBROADCOM2_BCM5709C },
{ MII_OUI_xxBROADCOM2, MII_MODEL_xxBROADCOM2_BCM5709CAX,
MII_STR_xxBROADCOM2_BCM5709CAX },
{ MII_OUI_BROADCOM2, MII_MODEL_BROADCOM2_BCM5906,
MII_STR_BROADCOM2_BCM5906 },
{ 0, 0,
NULL },
};
int
brgphy_probe(struct device *parent, void *match, void *aux)
{
struct mii_attach_args *ma = aux;
if (mii_phy_match(ma, brgphys) != NULL)
return (10);
return (0);
}
void
brgphy_attach(struct device *parent, struct device *self, void *aux)
{
struct mii_softc *sc = (struct mii_softc *)self;
struct bnx_softc *bnx_sc = NULL;
struct mii_attach_args *ma = aux;
struct mii_data *mii = ma->mii_data;
const struct mii_phydesc *mpd;
char *devname;
devname = sc->mii_dev.dv_parent->dv_cfdata->cf_driver->cd_name;
mpd = mii_phy_match(ma, brgphys);
printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
sc->mii_inst = mii->mii_instance;
sc->mii_phy = ma->mii_phyno;
sc->mii_model = MII_MODEL(ma->mii_id2);
sc->mii_rev = MII_REV(ma->mii_id2);
sc->mii_pdata = mii;
sc->mii_flags = ma->mii_flags;
if (sc->mii_flags & MIIF_HAVEFIBER) {
if (MII_OUI(ma->mii_id1, ma->mii_id2) ==
MII_OUI_xxBROADCOM &&
(sc->mii_model == MII_MODEL_xxBROADCOM_BCM5706 ||
sc->mii_model == MII_MODEL_xxBROADCOM_BCM5714 ||
sc->mii_model == MII_MODEL_xxBROADCOM_BCM5780))
sc->mii_funcs = &brgphy_fiber_funcs;
else if (MII_OUI(ma->mii_id1, ma->mii_id2) ==
MII_OUI_xxBROADCOM2 && sc->mii_model ==
MII_MODEL_xxBROADCOM2_BCM5708S)
sc->mii_funcs = &brgphy_5708s_funcs;
} else
sc->mii_funcs = &brgphy_copper_funcs;
sc->mii_anegticks = MII_ANEGTICKS;
sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
if (strcmp(devname, "bnx") == 0)
bnx_sc = sc->mii_pdata->mii_ifp->if_softc;
PHY_RESET(sc);
sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
if (sc->mii_capabilities & BMSR_EXTSTAT)
sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
mii_phy_add_media(sc);
if (sc->mii_flags & MIIF_HAVEFIBER && bnx_sc &&
(bnx_sc->bnx_phy_flags & BNX_PHY_2_5G_CAPABLE_FLAG)) {
sc->mii_anegticks = MII_ANEGTICKS_GIGE;
ifmedia_add(&mii->mii_media,
IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX,
sc->mii_inst), 0, NULL);
}
}
int
brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int reg, speed = 0, gig;
if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0)
return (ENXIO);
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;
PHY_RESET(sc); /* XXX hardware bug work-around */
switch (IFM_SUBTYPE(ife->ifm_media)) {
case IFM_AUTO:
(void) brgphy_mii_phy_auto(sc);
break;
case IFM_2500_SX:
speed = BRGPHY_5708S_BMCR_2500;
goto setit;
case IFM_1000_T:
speed = BRGPHY_S1000;
goto setit;
case IFM_100_TX:
speed = BRGPHY_S100;
goto setit;
case IFM_10_T:
speed = BRGPHY_S10;
setit:
brgphy_loop(sc);
if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
speed |= BRGPHY_BMCR_FDX;
gig = BRGPHY_1000CTL_AFD;
} else {
gig = BRGPHY_1000CTL_AHD;
}
PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
PHY_WRITE(sc, BRGPHY_MII_BMCR, speed);
if ((IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) &&
(IFM_SUBTYPE(ife->ifm_media) != IFM_1000_SX) &&
(IFM_SUBTYPE(ife->ifm_media) != IFM_2500_SX))
break;
PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
PHY_WRITE(sc, BRGPHY_MII_BMCR,
speed|BRGPHY_BMCR_AUTOEN|BRGPHY_BMCR_STARTNEG);
if (sc->mii_model != MII_MODEL_xxBROADCOM_BCM5701)
break;
if (mii->mii_media.ifm_media & IFM_ETH_MASTER)
gig |= BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC;
PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
break;
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);
/*
* Only used for autonegotiation.
*/
if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
break;
/*
* 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.
*/
reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
if (reg & BMSR_LINK)
break;
/*
* Only retry autonegotiation every mii_anegticks seconds.
*/
if (++sc->mii_ticks <= sc->mii_anegticks)
break;
sc->mii_ticks = 0;
brgphy_mii_phy_auto(sc);
break;
}
/* Update the media status. */
mii_phy_status(sc);
/*
* Callback if something changed. Note that we need to poke the DSP on
* the Broadcom PHYs if the media changes.
*/
if (sc->mii_media_active != mii->mii_media_active ||
sc->mii_media_status != mii->mii_media_status ||
cmd == MII_MEDIACHG) {
switch (sc->mii_model) {
case MII_MODEL_BROADCOM_BCM5400:
brgphy_bcm5401_dspcode(sc);
break;
case MII_MODEL_xxBROADCOM_BCM5401:
if (sc->mii_rev == 1 || sc->mii_rev == 3)
brgphy_bcm5401_dspcode(sc);
break;
case MII_MODEL_xxBROADCOM_BCM5411:
brgphy_bcm5411_dspcode(sc);
break;
}
}
/* Callback if something changed. */
mii_phy_update(sc, cmd);
return (0);
}
void
brgphy_copper_status(struct mii_softc *sc)
{
struct mii_data *mii = sc->mii_pdata;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int bmcr, bmsr;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
if (bmsr & BRGPHY_BMSR_LINK)
mii->mii_media_status |= IFM_ACTIVE;
bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
if (bmcr & BRGPHY_BMCR_LOOP)
mii->mii_media_active |= IFM_LOOP;
if (bmcr & BRGPHY_BMCR_AUTOEN) {
int auxsts;
if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
/* Erg, still trying, I guess... */
mii->mii_media_active |= IFM_NONE;
return;
}
auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS);
switch (auxsts & BRGPHY_AUXSTS_AN_RES) {
case BRGPHY_RES_1000FD:
mii->mii_media_active |= IFM_1000_T | IFM_FDX;
break;
case BRGPHY_RES_1000HD:
mii->mii_media_active |= IFM_1000_T | IFM_HDX;
break;
case BRGPHY_RES_100FD:
mii->mii_media_active |= IFM_100_TX | IFM_FDX;
break;
case BRGPHY_RES_100T4:
mii->mii_media_active |= IFM_100_T4 | IFM_HDX;
break;
case BRGPHY_RES_100HD:
mii->mii_media_active |= IFM_100_TX | IFM_HDX;
break;
case BRGPHY_RES_10FD:
mii->mii_media_active |= IFM_10_T | IFM_FDX;
break;
case BRGPHY_RES_10HD:
mii->mii_media_active |= IFM_10_T | IFM_HDX;
break;
default:
if (sc->mii_model == MII_MODEL_BROADCOM2_BCM5906) {
mii->mii_media_active |= (auxsts &
BRGPHY_RES_100) ? IFM_100_TX : IFM_10_T;
mii->mii_media_active |= (auxsts &
BRGPHY_RES_FULL) ? IFM_FDX : IFM_HDX;
break;
}
mii->mii_media_active |= IFM_NONE;
return;
}
if (mii->mii_media_active & IFM_FDX)
mii->mii_media_active |= mii_phy_flowstatus(sc);
if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) {
if (PHY_READ(sc, BRGPHY_MII_1000STS) &
BRGPHY_1000STS_MSR)
mii->mii_media_active |= IFM_ETH_MASTER;
}
} else
mii->mii_media_active = ife->ifm_media;
}
void
brgphy_fiber_status(struct mii_softc *sc)
{
struct mii_data *mii = sc->mii_pdata;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int bmcr, bmsr;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
if (bmsr & BRGPHY_BMSR_LINK)
mii->mii_media_status |= IFM_ACTIVE;
bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
if (bmcr & BRGPHY_BMCR_LOOP)
mii->mii_media_active |= IFM_LOOP;
if (bmcr & BRGPHY_BMCR_AUTOEN) {
int val;
if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
/* Erg, still trying, I guess... */
mii->mii_media_active |= IFM_NONE;
return;
}
mii->mii_media_active |= IFM_1000_SX;
val = PHY_READ(sc, BRGPHY_SERDES_ANAR) &
PHY_READ(sc, BRGPHY_SERDES_ANLPAR);
if (val & BRGPHY_SERDES_ANAR_FDX)
mii->mii_media_active |= IFM_FDX;
else
mii->mii_media_active |= IFM_HDX;
if (mii->mii_media_active & IFM_FDX)
mii->mii_media_active |= mii_phy_flowstatus(sc);
} else
mii->mii_media_active = ife->ifm_media;
}
void
brgphy_5708s_status(struct mii_softc *sc)
{
struct mii_data *mii = sc->mii_pdata;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int bmcr, bmsr;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
if (bmsr & BRGPHY_BMSR_LINK)
mii->mii_media_status |= IFM_ACTIVE;
bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
if (bmcr & BRGPHY_BMCR_LOOP)
mii->mii_media_active |= IFM_LOOP;
if (bmcr & BRGPHY_BMCR_AUTOEN) {
int xstat;
if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
/* Erg, still trying, I guess... */
mii->mii_media_active |= IFM_NONE;
return;
}
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
BRGPHY_5708S_DIG_PG0);
xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
mii->mii_media_active |= IFM_10_FL;
break;
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
mii->mii_media_active |= IFM_100_FX;
break;
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
mii->mii_media_active |= IFM_1000_SX;
break;
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
mii->mii_media_active |= IFM_2500_SX;
break;
}
if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
mii->mii_media_active |= IFM_FDX;
else
mii->mii_media_active |= IFM_HDX;
} else
mii->mii_media_active = ife->ifm_media;
}
int
brgphy_mii_phy_auto(struct mii_softc *sc)
{
int anar, ktcr = 0;
PHY_RESET(sc);
if (sc->mii_flags & MIIF_HAVEFIBER) {
anar = BRGPHY_SERDES_ANAR_FDX | BRGPHY_SERDES_ANAR_HDX;
if (sc->mii_flags & MIIF_DOPAUSE)
anar |= BRGPHY_SERDES_ANAR_BOTH_PAUSE;
PHY_WRITE(sc, BRGPHY_SERDES_ANAR, anar);
} else {
anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
if (sc->mii_flags & MIIF_DOPAUSE)
anar |= BRGPHY_ANAR_ASP | BRGPHY_ANAR_PC;
PHY_WRITE(sc, BRGPHY_MII_ANAR, anar);
}
/* Enable speed in the 1000baseT control register */
ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD;
if (sc->mii_model == MII_MODEL_xxBROADCOM_BCM5701)
ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC;
PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr);
ktcr = PHY_READ(sc, BRGPHY_MII_1000CTL);
/* Start autonegotiation */
PHY_WRITE(sc, BRGPHY_MII_BMCR,
BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
return (EJUSTRETURN);
}
/* Enable loopback to force the link down. */
void
brgphy_loop(struct mii_softc *sc)
{
u_int32_t bmsr;
int i;
PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
for (i = 0; i < 15000; i++) {
bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
if (!(bmsr & BRGPHY_BMSR_LINK))
break;
DELAY(10);
}
}
void
brgphy_reset(struct mii_softc *sc)
{
struct bge_softc *bge_sc = NULL;
struct bnx_softc *bnx_sc = NULL;
char *devname;
devname = sc->mii_dev.dv_parent->dv_cfdata->cf_driver->cd_name;
mii_phy_reset(sc);
switch (sc->mii_model) {
case MII_MODEL_BROADCOM_BCM5400:
brgphy_bcm5401_dspcode(sc);
break;
case MII_MODEL_BROADCOM_BCM5401:
if (sc->mii_rev == 1 || sc->mii_rev == 3)
brgphy_bcm5401_dspcode(sc);
break;
case MII_MODEL_BROADCOM_BCM5411:
brgphy_bcm5411_dspcode(sc);
break;
case MII_MODEL_xxBROADCOM_BCM5421:
brgphy_bcm5421_dspcode(sc);
break;
case MII_MODEL_xxBROADCOM_BCM54K2:
brgphy_bcm54k2_dspcode(sc);
break;
}
/* Handle any bge (NetXtreme/NetLink) workarounds. */
if (strcmp(devname, "bge") == 0) {
if (!(sc->mii_flags & MIIF_HAVEFIBER)) {
bge_sc = sc->mii_pdata->mii_ifp->if_softc;
if (bge_sc->bge_flags & BGE_PHY_ADC_BUG)
brgphy_adc_bug(sc);
if (bge_sc->bge_flags & BGE_PHY_5704_A0_BUG)
brgphy_5704_a0_bug(sc);
if (bge_sc->bge_flags & BGE_PHY_BER_BUG)
brgphy_ber_bug(sc);
else if (bge_sc->bge_flags & BGE_PHY_JITTER_BUG) {
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0c00);
PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG,
0x000a);
if (bge_sc->bge_flags & BGE_PHY_ADJUST_TRIM) {
PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT,
0x110b);
PHY_WRITE(sc, BRGPHY_TEST1,
BRGPHY_TEST1_TRIM_EN | 0x4);
} else {
PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT,
0x010b);
}
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0400);
}
if (bge_sc->bge_flags & BGE_PHY_CRC_BUG)
brgphy_crc_bug(sc);
/* Set Jumbo frame settings in the PHY. */
if (bge_sc->bge_flags & BGE_JUMBO_CAPABLE)
brgphy_jumbo_settings(sc);
/* Adjust output voltage */
if (sc->mii_model == MII_MODEL_BROADCOM2_BCM5906)
PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
/* Enable Ethernet@Wirespeed */
if (!(bge_sc->bge_flags & BGE_NO_ETH_WIRE_SPEED))
brgphy_eth_wirespeed(sc);
/* Enable Link LED on Dell boxes */
if (bge_sc->bge_flags & BGE_NO_3LED) {
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL)
& ~BRGPHY_PHY_EXTCTL_3_LED);
}
}
/* Handle any bnx (NetXtreme II) workarounds. */
} else if (strcmp(devname, "bnx") == 0) {
bnx_sc = sc->mii_pdata->mii_ifp->if_softc;
if (BNX_CHIP_NUM(bnx_sc) == BNX_CHIP_NUM_5708 &&
ISSET(BNX_CHIP_BOND_ID(bnx_sc),
BNX_CHIP_BOND_ID_SERDES_BIT)) {
/* Store autoneg capabilities/results in digital block (Page 0) */
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
/* Enable fiber mode and autodetection */
PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
/* Enable parallel detection */
PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
/* Advertise 2.5G support through next page during autoneg */
if (bnx_sc->bnx_phy_flags & BNX_PHY_2_5G_CAPABLE_FLAG)
PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
/* Increase TX signal amplitude */
if ((BNX_CHIP_ID(bnx_sc) == BNX_CHIP_ID_5708_A0) ||
(BNX_CHIP_ID(bnx_sc) == BNX_CHIP_ID_5708_B0) ||
(BNX_CHIP_ID(bnx_sc) == BNX_CHIP_ID_5708_B1)) {
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
BRGPHY_5708S_TX_MISC_PG5);
PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) &
~BRGPHY_5708S_PG5_TXACTL1_VCM);
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
BRGPHY_5708S_DIG_PG0);
}
/* Backplanes use special driver/pre-driver/pre-emphasis values. */
if ((bnx_sc->bnx_shared_hw_cfg & BNX_SHARED_HW_CFG_PHY_BACKPLANE) &&
(bnx_sc->bnx_port_hw_cfg & BNX_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
BRGPHY_5708S_TX_MISC_PG5);
PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
bnx_sc->bnx_port_hw_cfg &
BNX_PORT_HW_CFG_CFG_TXCTL3_MASK);
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
BRGPHY_5708S_DIG_PG0);
}
} else if (BNX_CHIP_NUM(bnx_sc) == BNX_CHIP_NUM_5709) {
if (BNX_CHIP_REV(bnx_sc) == BNX_CHIP_REV_Ax ||
BNX_CHIP_REV(bnx_sc) == BNX_CHIP_REV_Bx)
brgphy_disable_early_dac(sc);
/* Set Jumbo frame settings in the PHY. */
brgphy_jumbo_settings(sc);
/* Enable Ethernet@Wirespeed */
brgphy_eth_wirespeed(sc);
} else {
if (!(sc->mii_flags & MIIF_HAVEFIBER)) {
brgphy_ber_bug(sc);
/* Set Jumbo frame settings in the PHY. */
brgphy_jumbo_settings(sc);
/* Enable Ethernet@Wirespeed */
brgphy_eth_wirespeed(sc);
}
}
}
}
/* Disable tap power management */
void
brgphy_bcm5401_dspcode(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ BRGPHY_MII_AUXCTL, 0x0c20 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x0012 },
{ BRGPHY_MII_DSP_RW_PORT, 0x1804 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x0013 },
{ BRGPHY_MII_DSP_RW_PORT, 0x1204 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x8006 },
{ BRGPHY_MII_DSP_RW_PORT, 0x0132 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x8006 },
{ BRGPHY_MII_DSP_RW_PORT, 0x0232 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x201f },
{ BRGPHY_MII_DSP_RW_PORT, 0x0a20 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
DELAY(40);
}
/* Setting some undocumented voltage */
void
brgphy_bcm5411_dspcode(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ 0x1c, 0x8c23 },
{ 0x1c, 0x8ca3 },
{ 0x1c, 0x8c23 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
}
void
brgphy_bcm5421_dspcode(struct mii_softc *sc)
{
uint16_t data;
/* Set Class A mode */
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x1007);
data = PHY_READ(sc, BRGPHY_MII_AUXCTL);
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0400);
/* Set FFE gamma override to -0.125 */
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0007);
data = PHY_READ(sc, BRGPHY_MII_AUXCTL);
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0800);
PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a);
data = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, data | 0x0200);
}
void
brgphy_bcm54k2_dspcode(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ 4, 0x01e1 },
{ 9, 0x0300 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
}
void
brgphy_adc_bug(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ BRGPHY_MII_AUXCTL, 0x0c00 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x201f },
{ BRGPHY_MII_DSP_RW_PORT, 0x2aaa },
{ BRGPHY_MII_DSP_ADDR_REG, 0x000a },
{ BRGPHY_MII_DSP_RW_PORT, 0x0323 },
{ BRGPHY_MII_AUXCTL, 0x0400 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
}
void
brgphy_5704_a0_bug(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ 0x1c, 0x8d68 },
{ 0x1c, 0x8d68 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
}
void
brgphy_ber_bug(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ BRGPHY_MII_AUXCTL, 0x0c00 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x000a },
{ BRGPHY_MII_DSP_RW_PORT, 0x310b },
{ BRGPHY_MII_DSP_ADDR_REG, 0x201f },
{ BRGPHY_MII_DSP_RW_PORT, 0x9506 },
{ BRGPHY_MII_DSP_ADDR_REG, 0x401f },
{ BRGPHY_MII_DSP_RW_PORT, 0x14e2 },
{ BRGPHY_MII_AUXCTL, 0x0400 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
}
/* BCM5701 A0/B0 CRC bug workaround */
void
brgphy_crc_bug(struct mii_softc *sc)
{
static const struct {
int reg;
uint16_t val;
} dspcode[] = {
{ BRGPHY_MII_DSP_ADDR_REG, 0x0a75 },
{ 0x1c, 0x8c68 },
{ 0x1c, 0x8d68 },
{ 0x1c, 0x8c68 },
{ 0, 0 },
};
int i;
for (i = 0; dspcode[i].reg != 0; i++)
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
}
void
brgphy_disable_early_dac(struct mii_softc *sc)
{
uint32_t val;
PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
val &= ~(1 << 8);
PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
}
void
brgphy_jumbo_settings(struct mii_softc *sc)
{
u_int32_t val;
/* Set Jumbo frame settings in the PHY. */
if (sc->mii_model == MII_MODEL_BROADCOM_BCM5401) {
/* Cannot do read-modify-write on the BCM5401 */
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
} else {
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
}
val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
}
void
brgphy_eth_wirespeed(struct mii_softc *sc)
{
u_int32_t val;
/* Enable Ethernet@Wirespeed */
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
(val | (1 << 15) | (1 << 4)));
}