Driver for the Integrated Circuit Systems ICS1980 10/100 PHY.
This commit is contained in:
thorpej
parent
5b514fad6f
commit
3f98e69b07
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@ -1,4 +1,4 @@
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# $NetBSD: files.mii,v 1.8 1998/10/24 00:33:17 thorpej Exp $
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# $NetBSD: files.mii,v 1.9 1998/11/02 23:46:20 thorpej Exp $
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file dev/mii/mii.c mii
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@ -25,3 +25,7 @@ file dev/mii/exphy.c exphy
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device lxtphy
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attach lxtphy at mii
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file dev/mii/lxtphy.c lxtphy
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device icsphy
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attach icsphy at mii
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file dev/mii/icsphy.c icsphy
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@ -0,0 +1,352 @@
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/* $NetBSD: icsphy.c,v 1.1 1998/11/02 23:46:20 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
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||||
* 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.
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* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1997 Manuel Bouyer. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 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
|
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Manuel Bouyer.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* driver for Integrated Circuit Systems' ICS1890 ethernet 10/100 PHY
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* datasheet from www.icst.com
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include <dev/mii/miidevs.h>
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#include <dev/mii/icsphyreg.h>
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struct icsphy_softc {
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struct mii_softc sc_mii; /* generic PHY */
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int sc_capabilities;
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int sc_active;
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};
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int icsphymatch __P((struct device *, struct cfdata *, void *));
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void icsphyattach __P((struct device *, struct device *, void *));
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struct cfattach icsphy_ca = {
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sizeof(struct icsphy_softc), icsphymatch, icsphyattach
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};
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#define ICSPHY_READ(sc, reg) \
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(*(sc)->sc_mii.mii_pdata->mii_readreg)((sc)->sc_mii.mii_dev.dv_parent, \
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(sc)->sc_mii.mii_phy, (reg))
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#define ICSPHY_WRITE(sc, reg, val) \
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(*(sc)->sc_mii.mii_pdata->mii_writereg)((sc)->sc_mii.mii_dev.dv_parent, \
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(sc)->sc_mii.mii_phy, (reg), (val))
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int icsphy_service __P((struct mii_softc *, struct mii_data *, int));
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void icsphy_reset __P((struct icsphy_softc *));
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void icsphy_auto __P((struct icsphy_softc *));
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void icsphy_status __P((struct icsphy_softc *));
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int
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icsphymatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct mii_attach_args *ma = aux;
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if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_ICS &&
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MII_MODEL(ma->mii_id2) == MII_MODEL_ICS_1890)
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return (1);
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return (0);
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}
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void
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icsphyattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct icsphy_softc *sc = (struct icsphy_softc *)self;
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struct mii_attach_args *ma = aux;
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struct mii_data *mii = ma->mii_data;
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printf(": %s, rev. %d\n", MII_STR_ICS_1890,
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MII_REV(ma->mii_id2));
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sc->sc_mii.mii_inst = mii->mii_instance;
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sc->sc_mii.mii_phy = ma->mii_phyno;
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sc->sc_mii.mii_service = icsphy_service;
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sc->sc_mii.mii_pdata = mii;
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#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->sc_mii.mii_inst),
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BMCR_ISO);
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->sc_mii.mii_inst),
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BMCR_LOOP|BMCR_S100);
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icsphy_reset(sc);
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sc->sc_capabilities = ICSPHY_READ(sc, MII_BMSR) & ma->mii_capmask;
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printf("%s: ", sc->sc_mii.mii_dev.dv_xname);
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if ((sc->sc_capabilities & BMSR_MEDIAMASK) == 0)
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printf("no media present");
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else
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mii_add_media(mii, sc->sc_capabilities, sc->sc_mii.mii_inst);
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printf("\n");
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#undef ADD
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}
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int
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icsphy_service(self, mii, cmd)
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struct mii_softc *self;
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struct mii_data *mii;
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int cmd;
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{
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struct icsphy_softc *sc = (struct icsphy_softc *)self;
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struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
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int reg;
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switch (cmd) {
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case MII_POLLSTAT:
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/*
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* If we're not polling our PHY instance, just return.
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*/
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if (IFM_INST(ife->ifm_media) != sc->sc_mii.mii_inst)
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return (0);
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break;
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case MII_MEDIACHG:
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/*
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* If the media indicates a different PHY instance,
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* isolate ourselves.
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*/
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if (IFM_INST(ife->ifm_media) != sc->sc_mii.mii_inst) {
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reg = ICSPHY_READ(sc, MII_BMCR);
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ICSPHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
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return (0);
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}
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/*
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* If the interface is not up, don't do anything.
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*/
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if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
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break;
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switch (IFM_SUBTYPE(ife->ifm_media)) {
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case IFM_AUTO:
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/*
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* If we're already in auto mode, just return.
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*/
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if (ICSPHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
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return (0);
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icsphy_auto(sc);
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break;
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case IFM_100_T4:
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/*
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* XXX Not supported as a manual setting right now.
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*/
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return (EINVAL);
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default:
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/*
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* BMCR data is stored in the ifmedia entry.
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*/
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ICSPHY_WRITE(sc, MII_ANAR, mii_anar(ife->ifm_media));
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ICSPHY_WRITE(sc, MII_BMCR, ife->ifm_data);
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}
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break;
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case MII_TICK:
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/*
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* If we're not currently selected, just return.
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*/
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if (IFM_INST(ife->ifm_media) != sc->sc_mii.mii_inst)
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return (0);
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/*
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* Only used for autonegotiation.
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*/
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if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
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return (0);
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/*
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* Is the interface even up?
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*/
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if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
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return (0);
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/*
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* The ICS1890's autonegotiation doesn't need to be
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* kicked; it continues in the background.
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*/
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break;
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}
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/* Update the media status. */
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icsphy_status(sc);
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/* Callback if something changed. */
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if (sc->sc_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
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(*mii->mii_statchg)(sc->sc_mii.mii_dev.dv_parent);
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sc->sc_active = mii->mii_media_active;
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}
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return (0);
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}
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void
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icsphy_status(sc)
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struct icsphy_softc *sc;
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{
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struct mii_data *mii = sc->sc_mii.mii_pdata;
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int bmcr, qpr;
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mii->mii_media_status = IFM_AVALID;
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mii->mii_media_active = IFM_ETHER;
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/*
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* Don't get link from the BMSR. It's available in the QPR,
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* and we have to read it twice to unlatch it anyhow. This
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* gives us fewer register reads.
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*/
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qpr = ICSPHY_READ(sc, MII_ICSPHY_QPR); /* unlatch */
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qpr = ICSPHY_READ(sc, MII_ICSPHY_QPR); /* real value */
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if (qpr & QPR_LINK)
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mii->mii_media_status |= IFM_ACTIVE;
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bmcr = ICSPHY_READ(sc, MII_BMCR);
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if (bmcr & BMCR_ISO) {
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mii->mii_media_active |= IFM_NONE;
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mii->mii_media_status = 0;
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return;
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}
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if (bmcr & BMCR_LOOP)
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mii->mii_media_active |= IFM_LOOP;
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if ((bmcr & BMCR_AUTOEN) && (qpr & QPR_ACOMP) == 0) {
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/* Erg, still trying, I guess... */
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mii->mii_media_active |= IFM_NONE;
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return;
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}
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if (qpr & QPR_SPEED)
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mii->mii_media_active |= IFM_100_TX;
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else
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mii->mii_media_active |= IFM_10_T;
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if (qpr & QPR_FDX)
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mii->mii_media_active |= IFM_FDX;
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}
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void
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icsphy_auto(sc)
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struct icsphy_softc *sc;
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{
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int bmsr, i;
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ICSPHY_WRITE(sc, MII_ANAR,
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BMSR_MEDIA_TO_ANAR(sc->sc_capabilities) | ANAR_CSMA);
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ICSPHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG);
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/* Wait 500ms for it to complete. */
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for (i = 0; i < 500; i++) {
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if ((bmsr = ICSPHY_READ(sc, MII_BMSR)) & BMSR_ACOMP)
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return;
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delay(1000);
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}
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#if 0
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if ((bmsr & BMSR_ACOMP) == 0)
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printf("%s: autonegotiation failed to complete\n",
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sc->sc_mii.mii_dev.dv_xname);
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#endif
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}
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void
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icsphy_reset(sc)
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struct icsphy_softc *sc;
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{
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int reg, i;
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ICSPHY_WRITE(sc, MII_BMCR, BMCR_RESET|BMCR_ISO);
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/* Wait 100ms for it to complete. */
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for (i = 0; i < 100; i++) {
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reg = ICSPHY_READ(sc, MII_BMCR);
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if ((reg & BMCR_RESET) == 0)
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break;
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delay(1000);
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}
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/* Make sure the PHY is isolated. */
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if (sc->sc_mii.mii_inst != 0)
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ICSPHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
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ICSPHY_WRITE(sc, MII_ICSPHY_ECR2, ECR2_10TPROT|ECR2_Q10T);
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}
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@ -0,0 +1,91 @@
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/* $NetBSD: icsphyreg.h,v 1.1 1998/11/02 23:46:20 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
|
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*
|
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* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
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* NASA Ames Research Center.
|
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*
|
||||
* 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 the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION OR CONTRIBUTORS
|
||||
* 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.
|
||||
*/
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#ifndef _DEV_MII_ICSPHYREG_H_
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#define _DEV_MII_ICSPHYREG_H_
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/*
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* ICS1890 registers.
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*/
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#define MII_ICSPHY_ECR 0x10 /* Extended Control Register */
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#define ECR_OVR 0x8000 /* disable command reg overwrites */
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#define ECR_PHYADDR_MASK 0x07c0 /* PHY address mask */
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#define ECR_CTEST 0x0020 /* Stream Cipher Test Mode */
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#define ECR_IECT 0x0004 /* Invalid Error Code Test */
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#define ECR_SSD 0x0001 /* Stream Cipher Disable */
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#define MII_ICSPHY_QPR 0x11 /* Quick Poll Register */
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#define QPR_SPEED 0x8000 /* 100Mbps */
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#define QPR_FDX 0x4000 /* Full dupled */
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#define QPR_ANB2 0x2000 /* Autoneg monitor bit 2 */
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#define QPR_ANB1 0x1000 /* Autoneg monitor bit 1 */
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#define QPR_ANB0 0x0800 /* Autoneg monitor bit 0 */
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#define QPR_RXERR 0x0400 /* Receive signal lost */
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#define QPR_PLLERR 0x0200 /* PLL error */
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#define QPR_FCARR 0x0100 /* False carrier detected */
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#define QPR_INVALSYM 0x0080 /* Invalid Symbol Detected */
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#define QPR_HALT 0x0040 /* Halt Symbol Detected */
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#define QPR_PREEM 0x0020 /* Two Idle Symbols together */
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#define QPR_ACOMP 0x0010 /* Autonegotiation complete */
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#define QPR_JABBER 0x0004 /* Jabber detected */
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#define QPR_RFAULT 0x0002 /* Remote Fault */
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#define QPR_LINK 0x0001 /* Link */
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||||
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||||
#define MII_ICSPHY_TTR 0x12 /* 10baseT Operations Register */
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||||
#define TTR_RJABBER 0x8000 /* Remote Jabber */
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||||
#define TTR_POLARITY 0x4000 /* Polarity Reversed */
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||||
#define TTR_NOJABBER 0x0020 /* Disable Jabber Check */
|
||||
#define TTR_LOOP 0x0010 /* Loopback mode */
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||||
#define TTR_NOAPOLARITY 0x0008 /* Disable auto polarity correction */
|
||||
#define TTR_NOSQE 0x0004 /* Disable SQE check */
|
||||
#define TTR_NOLINK 0x0002 /* Disable Link check */
|
||||
#define TTR_NOSQUELCH 0x0001 /* Disable squelch */
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||||
|
||||
#define MII_ICSPHY_ECR2 0x13 /* Extended Control Register 2 */
|
||||
#define ECR2_REPEATER 0x8000 /* Repeater Mode */
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||||
#define ECR2_HWSW 0x4000 /* hw/sw config priority */
|
||||
#define ECR2_LPRF 0x2000 /* link partner supports rem fault */
|
||||
#define ECR2_FORCERF 0x0400 /* Force transmit of rem fault */
|
||||
#define ECR2_RFPUP 0x0010 /* Rem fault on power up */
|
||||
#define ECR2_Q10T 0x0004 /* Qualified 10baseT data */
|
||||
#define ECR2_10TPROT 0x0002 /* 10baseT protect */
|
||||
#define ECR2_AUTOPWRDN 0x0001 /* automatic power down */
|
||||
|
||||
#endif /* _DEV_MII_ICSPHYREG_H_ */
|
||||
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Reference in New Issue