Add PHY drivers for the XMAC II's internal PHY and the Broadcom BCM5400

1000baseTX PHY. These will be used by the SysKonnect gigabit ethernet
driver shortly.

4 files changed, 1138 insertions, 0 deletions

diff --git a/sys/dev/mii/brgphy.c b/sys/dev/mii/brgphy.c
new file mode 100644
index 0000000..06a61d5
--- /dev/null
+++ b/sys/dev/mii/brgphy.c
@@ -0,0 +1,406 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * 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/malloc.h>
+#include <sys/socket.h>
+#include <sys/bus.h>
+
+#include <machine/clock.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mii/miidevs.h>
+
+#include <dev/mii/brgphyreg.h>
+
+#include "miibus_if.h"
+
+#if !defined(lint)
+static const char rcsid[] =
+  "$FreeBSD$";
+#endif
+
+static int brgphy_probe		__P((device_t));
+static int brgphy_attach		__P((device_t));
+static int brgphy_detach		__P((device_t));
+
+static device_method_t brgphy_methods[] = {
+	/* device interface */
+	DEVMETHOD(device_probe,		brgphy_probe),
+	DEVMETHOD(device_attach,	brgphy_attach),
+	DEVMETHOD(device_detach,	brgphy_detach),
+	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
+	{ 0, 0 }
+};
+
+static devclass_t brgphy_devclass;
+
+static driver_t brgphy_driver = {
+	"brgphy",
+	brgphy_methods,
+	sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
+
+int	brgphy_service __P((struct mii_softc *, struct mii_data *, int));
+void	brgphy_status __P((struct mii_softc *));
+
+static int	brgphy_mii_phy_auto __P((struct mii_softc *, int));
+extern void	mii_phy_auto_timeout __P((void *));
+
+static int brgphy_probe(dev)
+	device_t		dev;
+{
+	struct mii_attach_args *ma;
+
+	ma = device_get_ivars(dev);
+
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) != MII_OUI_xxBROADCOM ||
+	    MII_MODEL(ma->mii_id2) != MII_MODEL_xxBROADCOM_BCM5400)
+		return(ENXIO);
+
+	device_set_desc(dev, MII_STR_xxBROADCOM_BCM5400);
+
+	return(0);
+}
+
+static int brgphy_attach(dev)
+	device_t		dev;
+{
+	struct mii_softc *sc;
+	struct mii_attach_args *ma;
+	struct mii_data *mii;
+	const char *sep = "";
+
+	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 = brgphy_service;
+	sc->mii_pdata = mii;
+
+	sc->mii_flags |= MIIF_NOISOLATE;
+	mii->mii_instance++;
+
+#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
+#define PRINT(s)	printf("%s%s", sep, s); sep = ", "
+
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
+	    BMCR_ISO);
+#if 0
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
+	    BMCR_LOOP|BMCR_S100);
+#endif
+
+	mii_phy_reset(sc);
+
+	device_printf(dev, " ");
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_TX, 0, sc->mii_inst),
+	    BRGPHY_BMCR_FDX);
+	PRINT("1000baseTX");
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_TX, IFM_FDX, sc->mii_inst), 0);
+	PRINT("1000baseTX-FDX");
+	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);
+}
+
+static int brgphy_detach(dev)
+	device_t		dev;
+{
+	struct mii_softc *sc;
+	struct mii_data *mii;
+
+	sc = device_get_softc(dev);
+	mii = device_get_softc(device_get_parent(dev));
+	sc->mii_dev = NULL;
+	LIST_REMOVE(sc, mii_list);
+
+	return(0);
+}
+int
+brgphy_service(sc, mii, cmd)
+	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, 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_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
+		    BRGPHY_PHY_EXTCTL_HIGH_LA|BRGPHY_PHY_EXTCTL_EN_LTR);
+		PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
+		    BRGPHY_AUXCTL_LONG_PKT|BRGPHY_AUXCTL_TX_TST);
+		PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
+
+		switch (IFM_SUBTYPE(ife->ifm_media)) {
+		case IFM_AUTO:
+#ifdef foo
+			/*
+			 * If we're already in auto mode, just return.
+			 */
+			if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN)
+				return (0);
+#endif
+			(void) brgphy_mii_phy_auto(sc, 1);
+			break;
+		case IFM_1000_TX:
+			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
+				PHY_WRITE(sc, BRGPHY_MII_BMCR,
+				    BRGPHY_BMCR_FDX|BRGPHY_BMCR_SPD1);
+			} else {
+				PHY_WRITE(sc, BRGPHY_MII_BMCR,
+				    BRGPHY_BMCR_SPD1);
+			}
+			PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
+
+			/*
+			 * When settning 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 ((mii->mii_ifp->if_flags & IFF_LINK0)) {
+				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
+				    BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC);
+			} else {
+				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
+				    BRGPHY_1000CTL_MSE);
+			}
+			break;
+		case IFM_100_T4:
+		case IFM_100_TX:
+		case IFM_10_T:
+		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, BRGPHY_MII_AUXSTS);
+		if (reg & BRGPHY_AUXSTS_LINK)
+			break;
+
+		mii_phy_reset(sc);
+		if (brgphy_mii_phy_auto(sc, 0) == EJUSTRETURN)
+			return(0);
+		break;
+	}
+
+	/* Update the media status. */
+	brgphy_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);
+}
+
+void
+brgphy_status(sc)
+	struct mii_softc *sc;
+{
+	struct mii_data *mii = sc->mii_pdata;
+	int bmsr, bmcr, anlpar;
+
+	mii->mii_media_status = IFM_AVALID;
+	mii->mii_media_active = IFM_ETHER;
+
+	bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
+	if (PHY_READ(sc, BRGPHY_MII_AUXSTS) & BRGPHY_AUXSTS_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) {
+		if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+
+		mii->mii_media_active |= IFM_1000_TX;
+		anlpar = PHY_READ(sc, BRGPHY_MII_AUXSTS);
+		if ((anlpar & BRGPHY_AUXSTS_AN_RES) == BRGPHY_RES_1000FD)
+			mii->mii_media_active |= IFM_FDX;
+		if ((anlpar & BRGPHY_AUXSTS_AN_RES) == BRGPHY_RES_1000HD)
+			mii->mii_media_active |= IFM_HDX;
+		return;
+	}
+
+	mii->mii_media_active |= IFM_1000_TX;
+	if (bmcr & BRGPHY_BMCR_FDX)
+		mii->mii_media_active |= IFM_FDX;
+	else
+		mii->mii_media_active |= IFM_HDX;
+
+	return;
+}
+
+
+static int
+brgphy_mii_phy_auto(mii, waitfor)
+	struct mii_softc *mii;
+	int waitfor;
+{
+	int bmsr, i;
+
+	if ((mii->mii_flags & MIIF_DOINGAUTO) == 0) {
+		PHY_WRITE(mii, BRGPHY_MII_1000CTL,
+		    BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD);
+		PHY_WRITE(mii, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
+		PHY_WRITE(mii, BRGPHY_MII_BMCR,
+		    BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
+		PHY_WRITE(mii, BRGPHY_MII_IMR, 0xFF00);
+	}
+
+	if (waitfor) {
+		/* Wait 500ms for it to complete. */
+		for (i = 0; i < 500; i++) {
+			if ((bmsr = PHY_READ(mii, BRGPHY_MII_BMSR)) &
+			    BRGPHY_BMSR_ACOMP)
+				return (0);
+			DELAY(1000);
+#if 0
+		if ((bmsr & BMSR_ACOMP) == 0)
+			printf("%s: autonegotiation failed to complete\n",
+			    mii->mii_dev.dv_xname);
+#endif
+		}
+
+		/*
+		 * Don't need to worry about clearing MIIF_DOINGAUTO.
+		 * If that's set, a timeout is pending, and it will
+		 * clear the flag.
+		 */
+		return (EIO);
+	}
+
+	/*
+	 * Just let it finish asynchronously.  This is for the benefit of
+	 * the tick handler driving autonegotiation.  Don't want 500ms
+	 * delays all the time while the system is running!
+	 */
+	if ((mii->mii_flags & MIIF_DOINGAUTO) == 0) {
+		mii->mii_flags |= MIIF_DOINGAUTO;
+		timeout(mii_phy_auto_timeout, mii, hz >> 1);
+	}
+	return (EJUSTRETURN);
+}
diff --git a/sys/dev/mii/brgphyreg.h b/sys/dev/mii/brgphyreg.h
new file mode 100644
index 0000000..ce289cd
--- /dev/null
+++ b/sys/dev/mii/brgphyreg.h
@@ -0,0 +1,224 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_MII_BRGPHYREG_H_
+#define	_DEV_MII_BRGPHYREG_H_
+
+/*
+ * Broadcom BCM5400 registers
+ */
+
+#define BRGPHY_MII_BMCR		0x00
+#define BRGPHY_BMCR_RESET	0x8000
+#define BRGPHY_BMCR_LOOP	0x4000
+#define BRGPHY_BMCR_SPD0	0x2000	/* speed select, lower bit */
+#define BRGPHY_BMCR_AUTOEN	0x1000	/* Autoneg enabled */
+#define BRGPHY_BMCR_PDOWN	0x0800	/* Power down */
+#define BRGPHY_BMCR_ISO		0x0400	/* Isolate */
+#define BRGPHY_BMCR_STARTNEG	0x0200	/* Restart autoneg */
+#define BRGPHY_BMCR_FDX		0x0100	/* Duplex mode */
+#define BRGPHY_BMCR_CTEST	0x0080	/* Collision test enable */
+#define BRGPHY_BMCR_SPD1	0x0040	/* Speed select, upper bit */
+
+#define BRGPHY_S1000		BRGPHY_BMCR_SPD1	/* 1000mbps */
+#define BRGPHY_S100		BRGPHY_BMCR_SPD0	/* 100mpbs */
+#define BRGPHY_S10		0			/* 10mbps */
+
+#define BRGPHY_MII_BMSR		0x01
+#define BRGPHY_BMSR_EXTSTS	0x0100	/* Extended status present */
+#define BRGPHY_BMSR_PRESUB	0x0040	/* Preamble surpression */
+#define BRGPHY_BMSR_ACOMP	0x0020	/* Autoneg complete */
+#define BRGPHY_BMSR_RFAULT	0x0010	/* Remote fault condition occured */
+#define BRGPHY_BMSR_ANEG	0x0008	/* Autoneg capable */
+#define BRGPHY_BMSR_LINK	0x0004	/* Link status */
+#define BRGPHY_BMSR_JABBER	0x0002	/* Jabber detected */
+#define BRGPHY_BMSR_EXT		0x0001	/* Extended capability */
+
+#define BRGPHY_MII_ANAR		0x04
+#define BRGPHY_ANAR_NP		0x8000	/* Next page */
+#define BRGPHY_ANAR_RF		0x2000	/* Remote fault */
+#define BRGPHY_ANAR_ASP		0x0800	/* Asymetric Pause */
+#define BRGPHY_ANAR_PC		0x0400	/* Pause capable */
+#define BRGPHY_ANAR_SEL		0x001F	/* selector field, 00001=Ethernet */
+
+#define BRGPHY_MII_ANLPAR	0x05
+#define BRGPHY_ANLPAR_NP	0x8000	/* Next page */
+#define BRGPHY_ANLPAR_RF	0x2000	/* Remote fault */
+#define BRGPHY_ANLPAR_ASP	0x0800	/* Asymetric Pause */
+#define BRGPHY_ANLPAR_PC	0x0400	/* Pause capable */
+#define BRGPHY_ANLPAR_SEL	0x001F	/* selector field, 00001=Ethernet */
+
+#define BRGPHY_SEL_TYPE		0x0001	/* ethernet */
+
+#define BRGPHY_MII_ANER		0x06
+#define BRGPHY_ANER_PDF		0x0010	/* Parallel detection fault */
+#define BRGPHY_ANER_LPNP	0x0008	/* Link partner can next page */
+#define BRGPHY_ANER_NP		0x0004	/* Local PHY can next page */
+#define BRGPHY_ANER_RX		0x0002	/* Next page received */
+#define BRGPHY_ANER_LPAN	0x0001 	/* Link partner autoneg capable */
+
+#define BRGPHY_MII_NEXTP	0x07	/* Next page */
+
+#define BRGPHY_MII_NEXTP_LP	0x08	/* Next page of link partner */
+
+#define BRGPHY_MII_1000CTL	0x09	/* 1000baseT control */
+#define BRGPHY_1000CTL_TST	0xE000	/* test modes */
+#define BRGPHY_1000CTL_MSE	0x1000	/* Master/Slave enable */
+#define BRGPHY_1000CTL_MSC	0x0800	/* Master/Slave configuration */
+#define BRGPHY_1000CTL_RD	0x0400	/* Repeater/DTE */
+#define BRGPHY_1000CTL_AFD	0x0200	/* Advertise full duplex */
+#define BRGPHY_1000CTL_AHD	0x0100	/* Advertise half duplex */
+
+#define BRGPHY_MII_1000STS	0x0A	/* 1000baseT status */
+#define BRGPHY_1000STS_MSF	0x8000	/* Master/slave fault */
+#define BRGPHY_1000STS_MSR	0x4000	/* Master/slave result */
+#define BRGPHY_1000STS_LRS	0x2000	/* Local receiver status */
+#define BRGPHY_1000STS_RRS	0x1000	/* Remote receiver status */
+#define BRGPHY_1000STS_LPFD	0x0800	/* Link partner can FD */
+#define BRGPHY_1000STS_LPHD	0x0400	/* Link partner can HD */
+#define BRGPHY_1000STS_IEC	0x00FF	/* Idle error count */
+
+#define BRGPHY_MII_EXTSTS	0x0F	/* Extended status */
+#define BRGPHY_EXTSTS_X_FD_CAP	0x8000	/* 1000base-X FD capable */
+#define BRGPHY_EXTSTS_X_HD_CAP	0x4000	/* 1000base-X HD capable */
+#define BRGPHY_EXTSTS_T_FD_CAP	0x2000	/* 1000base-T FD capable */
+#define BRGPHY_EXTSTS_T_HD_CAP	0x1000	/* 1000base-T HD capable */
+
+#define BRGPHY_MII_PHY_EXTCTL	0x10	/* PHY extended control */
+#define BRGPHY_PHY_EXTCTL_MAC_PHY	0x8000	/* 10BIT/GMI-interface */
+#define BRGPHY_PHY_EXTCTL_DIS_CROSS	0x4000	/* Disable MDI crossover */
+#define BRGPHY_PHY_EXTCTL_TX_DIS	0x2000	/* Tx output disable d*/
+#define BRGPHY_PHY_EXTCTL_INT_DIS	0x1000	/* Interrupts disabled */
+#define BRGPHY_PHY_EXTCTL_F_INT		0x0800	/* Force interrupt */
+#define BRGPHY_PHY_EXTCTL_BY_45		0x0400	/* Bypass 4B5B-Decoder */
+#define BRGPHY_PHY_EXTCTL_BY_SCR	0x0200	/* Bypass scrambler */
+#define BRGPHY_PHY_EXTCTL_BY_MLT3	0x0100	/* Bypass MLT3 encoder */
+#define BRGPHY_PHY_EXTCTL_BY_RXA	0x0080	/* Bypass RX alignment */
+#define BRGPHY_PHY_EXTCTL_RES_SCR	0x0040	/* Reset scrambler */
+#define BRGPHY_PHY_EXTCTL_EN_LTR	0x0020	/* Enable LED traffic mode */
+#define BRGPHY_PHY_EXTCTL_LED_ON	0x0010	/* Force LEDs on */
+#define BRGPHY_PHY_EXTCTL_LED_OFF	0x0008	/* Force LEDs off */
+#define BRGPHY_PHY_EXTCTL_EX_IPG	0x0004	/* Extended TX IPG mode */
+#define BRGPHY_PHY_EXTCTL_3_LED		0x0002	/* Three link LED mode */
+#define BRGPHY_PHY_EXTCTL_HIGH_LA	0x0001	/* GMII Fifo Elasticy (?) */
+
+#define BRGPHY_MII_PHY_EXTSTS	0x11	/* PHY extended status */
+#define BRGPHY_PHY_EXTSTS_CROSS_STAT	0x2000	/* MDI crossover status */
+#define BRGPHY_PHY_EXTSTS_INT_STAT	0x1000	/* Interrupt status */
+#define BRGPHY_PHY_EXTSTS_RRS		0x0800	/* Remote receiver status */
+#define BRGPHY_PHY_EXTSTS_LRS		0x0400	/* Local receiver status */
+#define BRGPHY_PHY_EXTSTS_LOCKED	0x0200	/* Locked */
+#define BRGPHY_PHY_EXTSTS_LS		0x0100	/* Link status */
+#define BRGPHY_PHY_EXTSTS_RF		0x0080	/* Remove fault */
+#define BRGPHY_PHY_EXTSTS_CE_ER		0x0040	/* Carrier ext error */
+#define BRGPHY_PHY_EXTSTS_BAD_SSD	0x0020	/* Bad SSD */
+#define BRGPHY_PHY_EXTSTS_BAD_ESD	0x0010	/* Bad ESS */
+#define BRGPHY_PHY_EXTSTS_RX_ER		0x0008	/* RX error */
+#define BRGPHY_PHY_EXTSTS_TX_ER		0x0004	/* TX error */
+#define BRGPHY_PHY_EXTSTS_LOCK_ER	0x0002	/* Lock error */
+#define BRGPHY_PHY_EXTSTS_MLT3_ER	0x0001	/* MLT3 code error */
+
+#define BRGPHY_MII_RXERRCNT	0x12	/* RX error counter */
+
+#define BRGPHY_MII_FCERRCNT	0x13	/* false carrier sense counter */
+#define BGRPHY_FCERRCNT		0x00FF	/* False carrier counter */
+
+#define BRGPHY_MII_RXNOCNT	0x14	/* RX not OK counter */
+#define BRGPHY_RXNOCNT_LOCAL	0xFF00	/* Local RX not OK counter */
+#define BRGPHY_RXNOCNT_REMOTE	0x00FF	/* Local RX not OK counter */
+
+#define BRGPHY_MII_AUXCTL	0x18	/* AUX control */
+#define BRGPHY_AUXCTL_LOW_SQ	0x8000	/* Low squelch */
+#define BRGPHY_AUXCTL_LONG_PKT	0x4000	/* RX long packets */
+#define BRGPHY_AUXCTL_ER_CTL	0x3000	/* Edgerate control */
+#define BRGPHY_AUXCTL_TX_TST	0x0400	/* TX test, always 1 */
+#define BRGPHY_AUXCTL_DIS_PRF	0x0080	/* dis part resp filter */
+#define BRGPHY_AUXCTL_DIAG_MODE	0x0004	/* Diagnostic mode */
+
+#define BRGPHY_MII_AUXSTS	0x19	/* AUX status */
+#define BRGPHY_AUXSTS_ACOMP	0x8000	/* autoneg complete */
+#define BRGPHY_AUXSTS_AN_ACK	0x4000	/* autoneg complete ack */
+#define BRGPHY_AUXSTS_AN_ACK_D	0x2000	/* autoneg complete ack detect */
+#define BRGPHY_AUXSTS_AN_NPW	0x1000	/* autoneg next page wait */
+#define BRGPHY_AUXSTS_AN_RES	0x0700	/* AN HDC */
+#define BRGPHY_AUXSTS_PDF	0x0080	/* Parallel detect. fault */
+#define BRGPHY_AUXSTS_RF	0x0040	/* remote fault */
+#define BRGPHY_AUXSTS_ANP_R	0x0020	/* AN page received */
+#define BRGPHY_AUXSTS_LP_ANAB	0x0010	/* LP AN ability */
+#define BRGPHY_AUXSTS_LP_NPAB	0x0008	/* LP Next page ability */
+#define BRGPHY_AUXSTS_LINK	0x0004	/* Link status */
+#define BRGPHY_AUXSTS_PRR	0x0002	/* Pause resolution-RX */
+#define BRGPHY_AUXSTS_PRT	0x0001	/* Pause resolution-TX */
+
+#define BRGPHY_RES_1000FD	0x0700	/* 1000baseT full duplex */
+#define BRGPHY_RES_1000HD	0x0600	/* 1000baseT half duplex */
+
+#define BRGPHY_MII_ISR		0x1A	/* interrupt status */
+#define BRGPHY_ISR_PSERR	0x4000	/* Pair swap error */
+#define BRGPHY_ISR_MDXI_SC	0x2000	/* MDIX Status Change */
+#define BRGPHY_ISR_HCT		0x1000	/* counter above 32K */
+#define BRGPHY_ISR_LCT		0x0800	/* all counter below 128 */
+#define BRGPHY_ISR_AN_PR	0x0400	/* Autoneg page received */
+#define BRGPHY_ISR_NO_HDCL	0x0200	/* No HCD Link */
+#define BRGPHY_ISR_NO_HDC	0x0100	/* No HCD */
+#define BRGPHY_ISR_USHDC	0x0080	/* Negotiated Unsupported HCD */
+#define BRGPHY_ISR_SCR_S_ERR	0x0040	/* Scrambler sync error */
+#define BRGPHY_ISR_RRS_CHG	0x0020	/* Remote RX status change */
+#define BRGPHY_ISR_LRS_CHG	0x0010	/* Local RX status change */
+#define BRGPHY_ISR_DUP_CHG	0x0008	/* Duplex mode change */
+#define BRGPHY_ISR_LSP_CHG	0x0004	/* Link speed changed */
+#define BRGPHY_ISR_LNK_CHG	0x0002	/* Link status change */
+#define BRGPHY_ISR_CRCERR	0x0001	/* CEC error */
+
+#define BRGPHY_MII_IMR		0x1B	/* interrupt mask */
+#define BRGPHY_IMR_PSERR	0x4000	/* Pair swap error */
+#define BRGPHY_IMR_MDXI_SC	0x2000	/* MDIX Status Change */
+#define BRGPHY_IMR_HCT		0x1000	/* counter above 32K */
+#define BRGPHY_IMR_LCT		0x0800	/* all counter below 128 */
+#define BRGPHY_IMR_AN_PR	0x0400	/* Autoneg page received */
+#define BRGPHY_IMR_NO_HDCL	0x0200	/* No HCD Link */
+#define BRGPHY_IMR_NO_HDC	0x0100	/* No HCD */
+#define BRGPHY_IMR_USHDC	0x0080	/* Negotiated Unsupported HCD */
+#define BRGPHY_IMR_SCR_S_ERR	0x0040	/* Scrambler sync error */
+#define BRGPHY_IMR_RRS_CHG	0x0020	/* Remote RX status change */
+#define BRGPHY_IMR_LRS_CHG	0x0010	/* Local RX status change */
+#define BRGPHY_IMR_DUP_CHG	0x0008	/* Duplex mode change */
+#define BRGPHY_IMR_LSP_CHG	0x0004	/* Link speed changed */
+#define BRGPHY_IMR_LNK_CHG	0x0002	/* Link status change */
+#define BRGPHY_IMR_CRCERR	0x0001	/* CEC error */
+
+#define BRGPHY_INTRS	\
+	~(BRGPHY_IMR_LNK_CHG|BRGPHY_IMR_LSP_CHG|BRGPHY_IMR_DUP_CHG)
+
+#endif /* _DEV_BRGPHY_MIIREG_H_ */
diff --git a/sys/dev/mii/xmphy.c b/sys/dev/mii/xmphy.c
new file mode 100644
index 0000000..bf6aa3e
--- /dev/null
+++ b/sys/dev/mii/xmphy.c
@@ -0,0 +1,392 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * driver for the XaQti XMAC II's internal PHY. This is sort of
+ * like a 10/100 PHY, except the only thing we're really autoselecting
+ * here is full/half duplex. Speed is always 1000mbps.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/socket.h>
+#include <sys/bus.h>
+
+#include <machine/clock.h>
+
+#include <net/if.h>
+#include <net/if_media.h>
+
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#include <dev/mii/miidevs.h>
+
+#include <dev/mii/xmphyreg.h>
+
+#include "miibus_if.h"
+
+#if !defined(lint)
+static const char rcsid[] =
+  "$FreeBSD$";
+#endif
+
+static int xmphy_probe		__P((device_t));
+static int xmphy_attach		__P((device_t));
+static int xmphy_detach		__P((device_t));
+
+static device_method_t xmphy_methods[] = {
+	/* device interface */
+	DEVMETHOD(device_probe,		xmphy_probe),
+	DEVMETHOD(device_attach,	xmphy_attach),
+	DEVMETHOD(device_detach,	xmphy_detach),
+	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
+	{ 0, 0 }
+};
+
+static devclass_t xmphy_devclass;
+
+static driver_t xmphy_driver = {
+	"xmphy",
+	xmphy_methods,
+	sizeof(struct mii_softc)
+};
+
+DRIVER_MODULE(xmphy, miibus, xmphy_driver, xmphy_devclass, 0, 0);
+
+int	xmphy_service __P((struct mii_softc *, struct mii_data *, int));
+void	xmphy_status __P((struct mii_softc *));
+
+static int	xmphy_mii_phy_auto __P((struct mii_softc *, int));
+extern void	mii_phy_auto_timeout __P((void *));
+
+static int xmphy_probe(dev)
+	device_t		dev;
+{
+	struct mii_attach_args *ma;
+
+	ma = device_get_ivars(dev);
+
+	if (MII_OUI(ma->mii_id1, ma->mii_id2) != MII_OUI_xxXAQTI ||
+	    MII_MODEL(ma->mii_id2) != MII_MODEL_XAQTI_XMACII)
+		return(ENXIO);
+
+	device_set_desc(dev, MII_STR_XAQTI_XMACII);
+
+	return(0);
+}
+
+static int xmphy_attach(dev)
+	device_t		dev;
+{
+	struct mii_softc *sc;
+	struct mii_attach_args *ma;
+	struct mii_data *mii;
+	const char *sep = "";
+
+	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 = xmphy_service;
+	sc->mii_pdata = mii;
+
+	sc->mii_flags |= MIIF_NOISOLATE;
+	mii->mii_instance++;
+
+#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
+#define PRINT(s)	printf("%s%s", sep, s); sep = ", "
+
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
+	    BMCR_ISO);
+#if 0
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
+	    BMCR_LOOP|BMCR_S100);
+#endif
+
+	mii_phy_reset(sc);
+
+	device_printf(dev, " ");
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, 0, sc->mii_inst),
+	    XMPHY_BMCR_FDX);
+	PRINT("1000baseSX");
+	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst), 0);
+	PRINT("1000baseSX-FDX");
+	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);
+}
+
+static int xmphy_detach(dev)
+	device_t		dev;
+{
+	struct mii_softc *sc;
+	struct mii_data *mii;
+
+	sc = device_get_softc(dev);
+	mii = device_get_softc(device_get_parent(dev));
+	sc->mii_dev = NULL;
+	LIST_REMOVE(sc, mii_list);
+
+	return(0);
+}
+int
+xmphy_service(sc, mii, cmd)
+	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, 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;
+
+		switch (IFM_SUBTYPE(ife->ifm_media)) {
+		case IFM_AUTO:
+			/*
+			 * If we're already in auto mode, just return.
+			 */
+			if (PHY_READ(sc, XMPHY_MII_BMCR) & XMPHY_BMCR_AUTOEN)
+				return (0);
+			(void) xmphy_mii_phy_auto(sc, 1);
+			break;
+		case IFM_1000_SX:
+			mii_phy_reset(sc);
+			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
+				PHY_WRITE(sc, XMPHY_MII_ANAR, XMPHY_ANAR_FDX);
+				PHY_WRITE(sc, XMPHY_MII_BMCR, XMPHY_BMCR_FDX);
+			} else {
+				PHY_WRITE(sc, XMPHY_MII_ANAR, XMPHY_ANAR_HDX);
+				PHY_WRITE(sc, XMPHY_MII_BMCR, 0);
+			}
+			break;
+		case IFM_100_T4:
+		case IFM_100_TX:
+		case IFM_10_T:
+		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, XMPHY_MII_BMSR) |
+		    PHY_READ(sc, XMPHY_MII_BMSR);
+		if (reg & XMPHY_BMSR_LINK)
+			break;
+
+		mii_phy_reset(sc);
+		if (xmphy_mii_phy_auto(sc, 0) == EJUSTRETURN)
+			return(0);
+		break;
+	}
+
+	/* Update the media status. */
+	xmphy_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);
+}
+
+void
+xmphy_status(sc)
+	struct mii_softc *sc;
+{
+	struct mii_data *mii = sc->mii_pdata;
+	int bmsr, bmcr, anlpar;
+
+	mii->mii_media_status = IFM_AVALID;
+	mii->mii_media_active = IFM_ETHER;
+
+	bmsr = PHY_READ(sc, XMPHY_MII_BMSR) |
+	    PHY_READ(sc, XMPHY_MII_BMSR);
+	if (bmsr & XMPHY_BMSR_LINK)
+		mii->mii_media_status |= IFM_ACTIVE;
+
+	/* Do dummy read of extended status register. */
+	bmcr = PHY_READ(sc, XMPHY_MII_EXTSTS);
+
+	bmcr = PHY_READ(sc, XMPHY_MII_BMCR);
+
+	if (bmcr & XMPHY_BMCR_LOOP)
+		mii->mii_media_active |= IFM_LOOP;
+
+
+	if (bmcr & XMPHY_BMCR_AUTOEN) {
+		if ((bmsr & XMPHY_BMSR_ACOMP) == 0) {
+			if (bmsr & XMPHY_BMSR_LINK) {
+				mii->mii_media_active |= IFM_1000_SX|IFM_HDX;
+				return;
+			}
+			/* Erg, still trying, I guess... */
+			mii->mii_media_active |= IFM_NONE;
+			return;
+		}
+
+		mii->mii_media_active |= IFM_1000_SX;
+		anlpar = PHY_READ(sc, XMPHY_MII_ANAR) &
+		    PHY_READ(sc, XMPHY_MII_ANLPAR);
+		if (anlpar & XMPHY_ANLPAR_FDX)
+			mii->mii_media_active |= IFM_FDX;
+		else
+			mii->mii_media_active |= IFM_HDX;
+		return;
+	}
+
+	mii->mii_media_active |= IFM_1000_SX;
+	if (bmcr & XMPHY_BMCR_FDX)
+		mii->mii_media_active |= IFM_FDX;
+	else
+		mii->mii_media_active |= IFM_HDX;
+
+	return;
+}
+
+
+static int
+xmphy_mii_phy_auto(mii, waitfor)
+	struct mii_softc *mii;
+	int waitfor;
+{
+	int bmsr, i;
+
+	if ((mii->mii_flags & MIIF_DOINGAUTO) == 0) {
+		PHY_WRITE(mii, XMPHY_MII_ANAR,
+		    XMPHY_ANAR_FDX|XMPHY_ANAR_HDX);
+		PHY_WRITE(mii, XMPHY_MII_BMCR,
+		    XMPHY_BMCR_AUTOEN | XMPHY_BMCR_STARTNEG);
+	}
+
+	if (waitfor) {
+		/* Wait 500ms for it to complete. */
+		for (i = 0; i < 500; i++) {
+			if ((bmsr = PHY_READ(mii, XMPHY_MII_BMSR)) &
+			    XMPHY_BMSR_ACOMP)
+				return (0);
+			DELAY(1000);
+#if 0
+		if ((bmsr & BMSR_ACOMP) == 0)
+			printf("%s: autonegotiation failed to complete\n",
+			    mii->mii_dev.dv_xname);
+#endif
+		}
+
+		/*
+		 * Don't need to worry about clearing MIIF_DOINGAUTO.
+		 * If that's set, a timeout is pending, and it will
+		 * clear the flag.
+		 */
+		return (EIO);
+	}
+
+	/*
+	 * Just let it finish asynchronously.  This is for the benefit of
+	 * the tick handler driving autonegotiation.  Don't want 500ms
+	 * delays all the time while the system is running!
+	 */
+	if ((mii->mii_flags & MIIF_DOINGAUTO) == 0) {
+		mii->mii_flags |= MIIF_DOINGAUTO;
+		timeout(mii_phy_auto_timeout, mii, hz >> 1);
+	}
+	return (EJUSTRETURN);
+}
diff --git a/sys/dev/mii/xmphyreg.h b/sys/dev/mii/xmphyreg.h
new file mode 100644
index 0000000..1dff3a5
--- /dev/null
+++ b/sys/dev/mii/xmphyreg.h
@@ -0,0 +1,116 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_MII_XMPHYREG_H_
+#define	_DEV_MII_XMPHYREG_H_
+
+/*
+ * XaQti XMAC II PHY registers
+ */
+
+#define XMPHY_MII_BMCR		0x00
+#define XMPHY_BMCR_RESET	0x8000
+#define XMPHY_BMCR_LOOP		0x4000
+#define XMPHY_BMCR_AUTOEN	0x1000	/* Autoneg enabled */
+#define XMPHY_BMCR_PDOWN	0x0800	/* Power down */
+#define XMPHY_BMCR_STARTNEG	0x0200	/* Restart autoneg */
+#define XMPHY_BMCR_FDX		0x0100	/* Duplex mode */
+
+#define XMPHY_MII_BMSR		0x01
+#define XMPHY_BMSR_EXTSTS	0x0100	/* Extended status present */
+#define XMPHY_BMSR_ACOMP	0x0020	/* Autoneg complete */
+#define XMPHY_BMSR_RFAULT	0x0010	/* Remote fault condition occured */
+#define XMPHY_BMSR_ANEG		0x0008	/* Autoneg capable */
+#define XMPHY_BMSR_LINK		0x0004	/* Link status */
+#define XMPHY_BMSR_EXT		0x0001	/* Extended capability */
+
+#define XMPHY_MII_ANAR		0x04
+#define XMPHY_ANAR_NP		0x8000	/* Next page */
+#define XMPHY_ANAR_ACK		0x4000	/* Next page or base received */
+#define XMPHY_ANAR_RFBITS	0x3000	/* Remote fault bits */
+#define XMPHY_ANAR_PAUSEBITS	0x0180	/* Pause bits */
+#define XMPHY_ANAR_FDX		0x0040	/* Select full duplex */
+#define XMPHY_ANAR_HDX		0x0020	/* Select half duplex */
+
+#define XMPHY_MII_ANLPAR	0x05
+#define XMPHY_ANLPAR_NP		0x8000	/* Next page */
+#define XMPHY_ANLPAR_ACK	0x4000	/* Next page or base received */
+#define XMPHY_ANLPAR_RFBITS	0x3000	/* Remote fault bits */
+#define XMPHY_ANLPAR_PAUSEBITS	0x0180	/* Pause bits */
+#define XMPHY_ANLPAR_FDX	0x0040	/* Select full duplex */
+#define XMPHY_ANLPAR_HDX	0x0020	/* Select half duplex */
+
+#define XMPHY_RF_OK		0x0000	/* No error -- link is good */
+#define XMPHY_RF_LINKFAIL	0x1000	/* Link failure */
+#define XMPHY_RF_OFFLINE	0x2000	/* Offline */
+#define XMPHY_RF_ANEGFAIL	0x3000	/* Autonegotiation error */
+
+#define XMPHY_PAUSE_NOPAUSE	0x0000	/* No pause possible */
+#define XMPHY_PAUSE_ASYMETRIC	0x0080	/* Asymetric pause toward LP */
+#define XMPHY_PAUSE_SYMETRIC	0x0100	/* Symetric pause */
+#define XMPHY_PAUSE_BOTH	0x0180	/* Both sym and asym pause */
+
+#define XMPHY_MII_ANER		0x06
+#define XMPHY_ANER_LPNP		0x0008	/* Link partner can next page */
+#define XMPHY_ANER_NP		0x0004	/* Local PHY can next page */
+#define XMPHY_ANER_RX		0x0002	/* Next page received */
+
+#define XMPHY_MII_NEXTP		0x07	/* Next page */
+#define XMPHY_NEXTP_MORE	0x8000	/* More next pages to follow */
+#define XMPHY_NEXTP_ACK1	0x4000	/* Ack bit received OK */
+#define XMPHY_NEXTP_MP		0x2000	/* Page is message page */
+#define XMPHY_NEXTP_ACK2	0x1000	/* can comply with message (r/o) */
+#define XMPHY_NEXTP_TOGGLE	0x0800	/* sync with LP */
+#define XMPHY_NEXTP_MESSAGE	0x07FF	/* message */
+
+#define XMPHY_MII_NEXTPLP	0x08	/* Next page of link partner */
+#define XMPHY_NEXTPLP_MORE	0x8000	/* More next pages to follow */
+#define XMPHY_NEXTPLP_ACK1	0x4000	/* Ack bit received OK */
+#define XMPHY_NEXTPLP_MP	0x2000	/* Page is message page */
+#define XMPHY_NEXTPLP_ACK2	0x1000	/* can comply with message (r/o) */
+#define XMPHY_NEXTPLP_TOGGLE	0x0800	/* sync with LP */
+#define XMPHY_NEXTPLP_MESSAGE	0x07FF	/* message */
+
+#define XMPHY_MII_EXTSTS	0x0F	/* Extended status */
+#define XMPHY_EXTSTS_FDX	0x8000	/* 1000base-X FD capable */
+#define XMPHY_EXTSTS_HDX	0x4000	/* 1000base-X HD capable */
+
+#define XMPHY_MII_RESAB		0x10	/* Resolved ability */
+#define XMPHY_RESAB_PAUSEBITS	0x0180	/* Pause bits */
+#define XMPHY_RESAB_HDX		0x0040	/* Half duplex selected */
+#define XMPHY_RESAB_FDX		0x0020	/* Full duplex selected */
+#define XMPHY_RESAB_ABLMIS	0x0010	/* Ability mismatch */
+#define XMPHY_RESAB_PAUSEMIS	0x0008	/* Pause mismatch */
+
+#endif /* _DEV_MII_XMPHYREG_H_ */