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This commit is contained in:
thorpej 1997-11-17 08:38:04 +00:00
parent 942f131579
commit 3a748eae8f
1 changed files with 49 additions and 43 deletions
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92
sys/dev/mii/generic_phy.c
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@ -1,4 +1,4 @@
/* $NetBSD: generic_phy.c,v 1.1 1997/10/17 17:33:48 bouyer Exp $ */
/* $NetBSD: generic_phy.c,v 1.2 1997/11/17 08:38:04 thorpej Exp $ */
/*
* Copyright (c) 1997 Manuel Bouyer. All rights reserved.
@ -13,7 +13,7 @@
* 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 Manuel Bouyer.
* This product includes software developed by Manuel Bouyer.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
@ -43,7 +43,8 @@
#include <dev/mii/mii_phy.h>
#include <dev/mii/generic_phy.h>
int phy_reset(sc)
int
phy_reset(sc)
struct phy_softc *sc;
{
int i, control;
@ -51,34 +52,34 @@ int phy_reset(sc)
/* reset the PHY, wait for the reset bit to clear */
mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_CONTROL,
CTRL_LOOPBK);
CTRL_LOOPBK);
DELAY(1000);
mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_CONTROL,
CTRL_LOOPBK | CTRL_RESET);
CTRL_LOOPBK | CTRL_RESET);
i = 0;
do {
DELAY(100000);
control = mii_readreg(phy_link->mii_softc, phy_link->dev,
PHY_CONTROL);
PHY_CONTROL);
} while ((control < 0 || (control & CTRL_RESET) != 0) && ++i < 10);
if ( control < 0 || (control & CTRL_RESET) != 0) {
if (control < 0 || (control & CTRL_RESET) != 0) {
printf("%s: reset failed\n", sc->sc_dev.dv_xname);
return 0;
return (0);
}
return 1;
return (1);
}
int phy_media_probe(sc)
int
phy_media_probe(sc)
struct phy_softc *sc;
{
mii_phy_t *phy_link = sc->phy_link;
int reg;
reg = mii_readreg(phy_link->mii_softc, phy_link->dev,
PHY_AN_Adv);
if (reg < 0) {
return 2;
}
PHY_AN_Adv);
if (reg < 0)
return (2);
if (reg & Adv_10bT)
phy_link->phy_media |= PHY_10baseT;
if (reg & Adv_10bT_fd)
@ -89,20 +90,21 @@ int phy_media_probe(sc)
phy_link->phy_media |= PHY_100baseTxfd;
if (reg & Adv_100bT4)
phy_link->phy_media |= PHY_100baseT4;
return 0;
return (0);
}
void phy_media_print(media)
void
phy_media_print(media)
u_int32_t media;
{
char tmpstr[80], *p = tmpstr;
if (media & PHY_AUI) {
if (media & PHY_AUI)
p += sprintf(p, "AUI/");
}
if (media & PHY_BNC) {
if (media & PHY_BNC)
p += sprintf(p, "BNC/");
}
if (media & (PHY_10baseT | PHY_10baseTfd)) {
p += sprintf(p, "10baseT/");
if (media & PHY_10baseTfd) {
@ -124,7 +126,8 @@ void phy_media_print(media)
printf("%s", tmpstr);
}
int phy_media_set_10_100(sc, media)
int
phy_media_set_10_100(sc, media)
struct phy_softc *sc;
int media;
{
@ -135,14 +138,14 @@ int phy_media_set_10_100(sc, media)
int subtype = IFM_SUBTYPE(media);
if (subtype == IFM_10_T &&
(phy_link->phy_media & (PHY_10baseT | PHY_10baseTfd)) == 0)
return EINVAL;
(phy_link->phy_media & (PHY_10baseT | PHY_10baseTfd)) == 0)
return (EINVAL);
if (subtype == IFM_100_TX &&
(phy_link->phy_media & (PHY_100baseTx | PHY_100baseTxfd)) == 0)
return EINVAL;
(phy_link->phy_media & (PHY_100baseTx | PHY_100baseTxfd)) == 0)
return (EINVAL);
if (subtype == IFM_100_T4 &&
(phy_link->phy_media & PHY_100baseT4) == 0)
return EINVAL;
(phy_link->phy_media & PHY_100baseT4) == 0)
return (EINVAL);
reg = (media & IFM_FDX) ? CTRL_DUPLEX : 0;
dpx = (media & IFM_FDX) ? " (full duplex)" : "";
@ -155,44 +158,47 @@ int phy_media_set_10_100(sc, media)
do {
DELAY(100000);
reg = mii_readreg(phy_link->mii_softc, phy_link->dev,
PHY_STATUS);
PHY_STATUS);
if (reg < 0) {
printf("%s: can't read status register\n", sc->sc_dev.dv_xname);
return EIO;
printf("%s: can't read status register\n",
sc->sc_dev.dv_xname);
return (EIO);
}
} while ((reg & ST_LINK) == 0 && ++i < 10);
if ((reg & ST_LINK) == 0) {
printf("%s: %s%s: no carrier\n", sc->sc_dev.dv_xname,
mediastr, dpx);
/* phy_dumpreg(sc); */
return ENETDOWN;
return (ENETDOWN);
}
/* printf("%s: selected %s%s\n", sc->sc_dev.dv_xname, mediastr, dpx); */
return 0;
return (0);
}
int phy_status(media, v)
int
phy_status(media, v)
int media;
void *v;
{
struct phy_softc * sc = v;
int reg;
reg = mii_readreg(sc->phy_link->mii_softc, sc->phy_link->dev,
PHY_STATUS);
PHY_STATUS);
reg = mii_readreg(sc->phy_link->mii_softc, sc->phy_link->dev,
PHY_STATUS); /* Read twice to clear latched status */
PHY_STATUS); /* Read twice to clear latched status */
if ((reg & ST_LINK) == 0)
return ENETDOWN;
return 0;
return (ENETDOWN);
return (0);
}
void phy_dumpreg(sc)
struct phy_softc * sc;
void
phy_dumpreg(sc)
struct phy_softc * sc;
{
int i;
for (i=0; i <= 0x12; i++) {
printf("%s: reg %x = %x\n", sc->sc_dev.dv_xname, i,
mii_readreg(sc->phy_link->mii_softc, sc->phy_link->dev, i));
}
for (i = 0; i <= 0x12; i++)
printf("%s: reg 0x%x = 0x%x\n", sc->sc_dev.dv_xname, i,
mii_readreg(sc->phy_link->mii_softc, sc->phy_link->dev, i));
}