Пример #1
0
static int
e1000phy_attach(device_t dev)
{
	struct mii_softc *sc;
	struct mii_attach_args *ma;
	struct mii_data *mii;

	getenv_int("e1000phy_debug", &e1000phy_debug);

	sc = device_get_softc(dev);
	ma = device_get_ivars(dev);
	sc->mii_dev = device_get_parent(dev);
	mii = device_get_softc(sc->mii_dev);
	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);

	sc->mii_inst = mii->mii_instance;
	sc->mii_phy = ma->mii_phyno;
	sc->mii_service = e1000phy_service;
	sc->mii_pdata = mii;

	sc->mii_flags |= MIIF_NOISOLATE;
	mii->mii_instance++;
	e1000phy_reset(sc);

	device_printf(dev, " ");

#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
/*
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
	    E1000_CR_ISOLATE);
*/
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst),
	    E1000_CR_SPEED_10);
	printf("10baseT, ");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst),
	    E1000_CR_SPEED_10 | E1000_CR_FULL_DUPLEX);
	printf("10baseT-FDX, ");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst),
	    E1000_CR_SPEED_100);
	printf("100baseTX, ");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst),
	    E1000_CR_SPEED_100 | E1000_CR_FULL_DUPLEX);
	printf("100baseTX-FDX, ");
	/*
	 * 1000BT-simplex not supported; driver must ignore this entry,
	 * but it must be present in order to manually set full-duplex.
	 */
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, sc->mii_inst),
	    E1000_CR_SPEED_1000);
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, sc->mii_inst),
	    E1000_CR_SPEED_1000 | E1000_CR_FULL_DUPLEX);
	printf("1000baseTX-FDX, ");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
	printf("auto\n");
#undef ADD

	MIIBUS_MEDIAINIT(sc->mii_dev);
	return(0);
}
Пример #2
0
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:
		/*
		 * 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, E1000_CR);
			PHY_WRITE(sc, E1000_CR, reg | E1000_CR_ISOLATE);
			return (0);
		}

		/*
		 * If the interface is not up, don't do anything.
		 */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
			break;

		if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) {
			e1000phy_mii_phy_auto(sc);
			break;
		}

		speed = 0;
		switch (IFM_SUBTYPE(ife->ifm_media)) {
		case IFM_1000_T:
			if (sc->mii_model == MII_MODEL_MARVELL_E3082)
				return (EINVAL);
			speed = E1000_CR_SPEED_1000;
			break;
		case IFM_1000_SX:
			if (sc->mii_model == MII_MODEL_MARVELL_E3082)
				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_GMASK) & 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);

		/*
		 * When setting the link manually, one side must
		 * be the master and the other the slave. However
		 * ifmedia doesn't give us a good way to specify
		 * this, so we fake it by using one of the LINK
		 * flags. If LINK0 is set, we program the PHY to
		 * be a master, otherwise it's a slave.
		 */
		if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T ||
		    IFM_SUBTYPE(ife->ifm_media) == IFM_1000_SX) {
			if (mii->mii_ifp->if_flags & IFF_LINK0) {
				PHY_WRITE(sc, E1000_1GCR, gig |
				    E1000_1GCR_MS_ENABLE | E1000_1GCR_MS_VALUE);
			} else {
				PHY_WRITE(sc, E1000_1GCR, gig |
				    E1000_1GCR_MS_ENABLE);
			}
		} else {
			if (sc->mii_model != MII_MODEL_MARVELL_E3082)
				PHY_WRITE(sc, E1000_1GCR, 0);
		}
		PHY_WRITE(sc, E1000_AR, E1000_AR_SELECTOR_FIELD);
		PHY_WRITE(sc, E1000_CR, speed | E1000_CR_RESET);
done:
		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) {
			sc->mii_ticks = 0;
			break;
		}

		/*
		 * Only retry autonegotiation every mii_anegticks seconds.
		 */
		if (++sc->mii_ticks <= sc->mii_anegticks)
			return (0);
		sc->mii_ticks = 0;

		e1000phy_reset(sc);
		e1000phy_mii_phy_auto(sc);
		break;
	}

	/* Update the media status. */
	e1000phy_status(sc);

	/* Callback if something changed. */
	mii_phy_update(sc, cmd);
	return (0);
}
Пример #3
0
static int
e1000phy_attach(device_t dev)
{
	struct mii_softc *sc;
	struct mii_attach_args *ma;
	struct mii_data *mii;
	const char *sep = "";
	int fast_ether = 0;

	sc = device_get_softc(dev);
	ma = device_get_ivars(dev);
	mii_softc_init(sc, ma);
	sc->mii_dev = device_get_parent(dev);
	mii = device_get_softc(sc->mii_dev);
	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);

	sc->mii_inst = mii->mii_instance;
	sc->mii_service = e1000phy_service;
	sc->mii_reset = e1000phy_reset;
	sc->mii_anegticks = MII_ANEGTICKS_GIGE;
	sc->mii_pdata = mii;

	sc->mii_flags |= MIIF_NOISOLATE;

	switch (sc->mii_model) {
	case MII_MODEL_MARVELL_E1011:
	case MII_MODEL_MARVELL_E1112:
		if (PHY_READ(sc, E1000_ESSR) & E1000_ESSR_FIBER_LINK)
			sc->mii_flags |= MIIF_HAVEFIBER;
		break;
	case MII_MODEL_MARVELL_E3082:
		/* 88E3082 10/100 Fast Ethernet PHY. */
		sc->mii_anegticks = MII_ANEGTICKS;
		fast_ether = 1;
		break;
	}

	mii->mii_instance++;

	e1000phy_reset(sc);

#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
#define PRINT(s)	kprintf("%s%s", sep, s); sep = ", "

	device_printf(dev, "%s", "");

	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
	    E1000_CR_ISOLATE);
	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
		if (!fast_ether) {
			/*
			 * 1000T-simplex not supported; driver must ignore
			 * this entry, but it must be present in order to
			 * manually set full-duplex.
			 */
			ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0,
			    sc->mii_inst), E1000_CR_SPEED_1000);
			ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX,
			    sc->mii_inst),
			    E1000_CR_SPEED_1000 | E1000_CR_FULL_DUPLEX);
			PRINT("1000baseT-FDX");
		}
		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst),
		    E1000_CR_SPEED_100 | E1000_CR_FULL_DUPLEX);
		PRINT("100baseTX-FDX");
		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst),
		    E1000_CR_SPEED_100);
		PRINT("100baseTX");
		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst),
		    E1000_CR_SPEED_10 | E1000_CR_FULL_DUPLEX);
		PRINT("10baseTX-FDX");
		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst),
		    E1000_CR_SPEED_10);
		PRINT("10baseTX");
	} else {
		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst),
		    E1000_CR_SPEED_1000 | E1000_CR_FULL_DUPLEX);
		PRINT("1000baseSX-FDX");
	}

	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
	PRINT("auto\n");

#undef ADD
#undef PRINT

	MIIBUS_MEDIAINIT(sc->mii_dev);
	return(0);
}
Пример #4
0
int
e1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
	int reg;

	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, E1000_CR);
			PHY_WRITE(sc, E1000_CR, reg | E1000_CR_ISOLATE);
			return (0);
		}

		/*
		 * If the interface is not up, don't do anything.
		 */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0) {
			break;
		}

		switch (IFM_SUBTYPE(ife->ifm_media)) {
		case IFM_AUTO:
			/*
			 * If we're already in auto mode, just return.
			 */
			if (sc->mii_flags & MIIF_DOINGAUTO) {
				return (0);
			}
			e1000phy_reset(sc);
			(void)e1000phy_mii_phy_auto(sc, 1);
			break;

		case IFM_1000_TX:
			if (sc->mii_flags & MIIF_DOINGAUTO)
				return (0);

			e1000phy_reset(sc);

			/* TODO - any other way to force 1000BT? */
			(void)e1000phy_mii_phy_auto(sc, 1);
			break;

		case IFM_100_TX:
			e1000phy_reset(sc);

			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
				PHY_WRITE(sc, E1000_CR,
				    E1000_CR_FULL_DUPLEX | E1000_CR_SPEED_100);
				PHY_WRITE(sc, E1000_AR, E1000_AR_100TX_FD);
			} else {
				PHY_WRITE(sc, E1000_CR, E1000_CR_SPEED_100);
				PHY_WRITE(sc, E1000_AR, E1000_AR_100TX);
			}
			break;

		case IFM_10_T:
			e1000phy_reset(sc);

			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
				PHY_WRITE(sc, E1000_CR,
				    E1000_CR_FULL_DUPLEX | E1000_CR_SPEED_10);
				PHY_WRITE(sc, E1000_AR, E1000_AR_10T_FD);
			} else {
				PHY_WRITE(sc, E1000_CR, E1000_CR_SPEED_10);
				PHY_WRITE(sc, E1000_AR, E1000_AR_10T);
			}

			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);
		}

		/*
		 * Only used for autonegotiation.
		 */
		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
			return (0);
		}

		/*
		 * Is the interface even up?
		 */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0) {
			return (0);
		}

		/*
		 * Only retry autonegotiation every 5 seconds.
		 */
		if (++(sc->mii_ticks) != 5) {
			return (0);
		}
		sc->mii_ticks = 0;

		/*
		 * 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, E1000_SR) | PHY_READ(sc, E1000_SR);

		if (reg & E1000_SR_LINK_STATUS)
			break;

		e1000phy_reset(sc);

		if (e1000phy_mii_phy_auto(sc, 0) == EJUSTRETURN) {
			return(0);
		}

		break;
	}

	/* Update the media status. */
	e1000phy_status(sc);

	/* Callback if something changed. */
	if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
		MIIBUS_STATCHG(sc->mii_dev);
		sc->mii_active = mii->mii_media_active;
	}

	return (0);
}
Пример #5
0
static int
e1000phy_attach(device_t dev)
{
	struct mii_softc *sc;
	struct mii_attach_args *ma;
	struct mii_data *mii;
	const char *sep = "";

	getenv_int("e1000phy_debug", &e1000phy_debug);

	sc = device_get_softc(dev);
	ma = device_get_ivars(dev);
	sc->mii_dev = device_get_parent(dev);
	mii = device_get_softc(sc->mii_dev);
	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);

	sc->mii_inst = mii->mii_instance;
	sc->mii_phy = ma->mii_phyno;
	sc->mii_service = e1000phy_service;
	sc->mii_pdata = mii;

	sc->mii_flags |= MIIF_NOISOLATE;
	mii->mii_instance++;
	e1000phy_reset(sc);

#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
#define PRINT(s)	printf("%s%s", sep, s); sep = ", "

#if	0
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
	    E1000_CR_ISOLATE);
#endif

	device_printf(dev, " ");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_TX, IFM_FDX, sc->mii_inst),
			E1000_CR_SPEED_1000 | E1000_CR_FULL_DUPLEX);
	PRINT("1000baseTX-FDX");
	/*
	TODO - apparently 1000BT-simplex not supported?
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_TX, 0, sc->mii_inst),
			E1000_CR_SPEED_1000);
	PRINT("1000baseTX");
	*/
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst),
			E1000_CR_SPEED_100 | E1000_CR_FULL_DUPLEX);
	PRINT("100baseTX-FDX");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst),
			E1000_CR_SPEED_100);
	PRINT("100baseTX");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst),
			E1000_CR_SPEED_10 | E1000_CR_FULL_DUPLEX);
	PRINT("10baseTX-FDX");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst),
			E1000_CR_SPEED_10);
	PRINT("10baseTX");
	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
	PRINT("auto");

	printf("\n");
#undef ADD
#undef PRINT

	MIIBUS_MEDIAINIT(sc->mii_dev);
	return(0);
}
Пример #6
0
static int
e1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
{
	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
	int reg;

	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, E1000_CR);
			PHY_WRITE(sc, E1000_CR, reg | E1000_CR_ISOLATE);
			return (0);
		}

		/*
		 * If the interface is not up, don't do anything.
		 */
		if ((mii->mii_ifp->if_flags & IFF_UP) == 0) {
			break;
		}

		switch (IFM_SUBTYPE(ife->ifm_media)) {
		case IFM_AUTO:
			e1000phy_reset(sc);
			(void)e1000phy_mii_phy_auto(sc);
			break;

		case IFM_1000_T:
			e1000phy_reset(sc);

			/* TODO - any other way to force 1000BT? */
			(void)e1000phy_mii_phy_auto(sc);
			break;

		case IFM_100_TX:
			e1000phy_reset(sc);

			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
				PHY_WRITE(sc, E1000_CR,
				    E1000_CR_FULL_DUPLEX | E1000_CR_SPEED_100);
				PHY_WRITE(sc, E1000_AR, E1000_AR_100TX_FD);
			} else {
				PHY_WRITE(sc, E1000_CR, E1000_CR_SPEED_100);
				PHY_WRITE(sc, E1000_AR, E1000_AR_100TX);
			}
			break;

		case IFM_10_T:
			e1000phy_reset(sc);

			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
				PHY_WRITE(sc, E1000_CR,
				    E1000_CR_FULL_DUPLEX | E1000_CR_SPEED_10);
				PHY_WRITE(sc, E1000_AR, E1000_AR_10T_FD);
			} else {
				PHY_WRITE(sc, E1000_CR, E1000_CR_SPEED_10);
				PHY_WRITE(sc, E1000_AR, E1000_AR_10T);
			}

			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 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)
			break;

		/*
		 * Only retry autonegotiation every 5 seconds.
		 */
		if (++sc->mii_ticks != 5)
			return (0);

		sc->mii_ticks = 0;
		e1000phy_reset(sc);
		e1000phy_mii_phy_auto(sc);
		return (0);
	}

	/* Update the media status. */
	e1000phy_status(sc);

	/* Callback if something changed. */
	mii_phy_update(sc, cmd);
	return (0);
}