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Ensure Bay flow control is disabled as we're going to use IEEE 802.3 annex

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31B full duplex flow control instead.
This commit is contained in:
Marius Strobl 2010-11-26 21:41:42 +00:00
parent aa8f5ab65e
commit 60c1e4c405
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=215905
1 changed files with 13 additions and 1 deletions
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14
sys/dev/mii/inphy.c
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@ -77,6 +77,7 @@ DRIVER_MODULE(inphy, miibus, inphy_driver, inphy_devclass, 0, 0);
static int inphy_service(struct mii_softc *, struct mii_data *, int);
static void inphy_status(struct mii_softc *);
static void inphy_reset(struct mii_softc *);
static const struct mii_phydesc inphys[] = {
MII_PHY_DESC(INTEL, I82553C),
@ -119,7 +120,7 @@ inphy_attach(device_t dev)
IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
MII_MEDIA_100_TX, NULL);
mii_phy_reset(sc);
inphy_reset(sc);
sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
device_printf(dev, " ");
@ -206,3 +207,14 @@ inphy_status(struct mii_softc *sc)
} else
mii->mii_media_active = ife->ifm_media;
}
static void
inphy_reset(struct mii_softc *sc)
{
mii_phy_reset(sc);
/* Ensure Bay flow control is disabled. */
PHY_WRITE(sc, MII_INPHY_SCR,
PHY_READ(sc, MII_INPHY_SCR) & ~SCR_FLOWCTL);
}