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Add Seeq Technology 80220 PHY support to smcphy(4). This PHY is

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found on Adaptec AIC-6915 Starfire ethernet controller.
While here, use status register to know resolved speed/duplex.
With this change, sf(4) correctly reports speed/duplex of
established link.

Reviewed by:	marius
This commit is contained in:
Pyun YongHyeon 2012-02-23 01:20:21 +00:00
parent 4661f8627c
commit 34fe3828ba
1 changed files with 60 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

64
sys/dev/mii/smcphy.c
View file

@ -55,6 +55,7 @@ static int smcphy_attach(device_t);
static int smcphy_service(struct mii_softc *, struct mii_data *, int);
static void smcphy_reset(struct mii_softc *);
static void smcphy_auto(struct mii_softc *, int);
static void smcphy_status(struct mii_softc *);
static device_method_t smcphy_methods[] = {
/* device interface */
@ -76,13 +77,20 @@ static driver_t smcphy_driver = {
DRIVER_MODULE(smcphy, miibus, smcphy_driver, smcphy_devclass, 0, 0);
static const struct mii_phydesc smcphys[] = {
MII_PHY_DESC(SEEQ, 80220),
MII_PHY_DESC(SEEQ, 84220),
MII_PHY_END
};
static const struct mii_phy_funcs smcphy80220_funcs = {
smcphy_service,
smcphy_status,
mii_phy_reset
};
static const struct mii_phy_funcs smcphy_funcs = {
smcphy_service,
ukphy_status,
smcphy_status,
smcphy_reset
};
@ -97,11 +105,16 @@ static int
smcphy_attach(device_t dev)
{
struct mii_softc *sc;
struct mii_attach_args *ma;
const struct mii_phy_funcs *mpf;
sc = device_get_softc(dev);
mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE,
&smcphy_funcs, 1);
ma = device_get_ivars(dev);
if (MII_MODEL(ma->mii_id2) == MII_MODEL_SEEQ_80220)
mpf = &smcphy80220_funcs;
else
mpf = &smcphy_funcs;
mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, mpf, 1);
mii_phy_setmedia(sc);
return (0);
@ -214,3 +227,46 @@ smcphy_auto(struct mii_softc *sc, int media)
anar = PHY_READ(sc, MII_ANAR);
PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG);
}
static void
smcphy_status(struct mii_softc *sc)
{
struct mii_data *mii;
uint32_t bmcr, bmsr, status;
mii = sc->mii_pdata;
mii->mii_media_status = IFM_AVALID;
mii->mii_media_active = IFM_ETHER;
bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
if ((bmsr & BMSR_LINK) != 0)
mii->mii_media_status |= IFM_ACTIVE;
bmcr = PHY_READ(sc, MII_BMCR);
if ((bmcr & BMCR_ISO) != 0) {
mii->mii_media_active |= IFM_NONE;
mii->mii_media_status = 0;
return;
}
if ((bmcr & BMCR_LOOP) != 0)
mii->mii_media_active |= IFM_LOOP;
if ((bmcr & BMCR_AUTOEN) != 0) {
if ((bmsr & BMSR_ACOMP) == 0) {
/* Erg, still trying, I guess... */
mii->mii_media_active |= IFM_NONE;
return;
}
}
status = PHY_READ(sc, 0x12);
if (status & 0x0080)
mii->mii_media_active |= IFM_100_TX;
else
mii->mii_media_active |= IFM_10_T;
if (status & 0x0040)
mii->mii_media_active |= IFM_FDX | mii_phy_flowstatus(sc);
else
mii->mii_media_active |= IFM_HDX;
}