Driver for the Broadcom BCM5201/BCM5202 "Mini-Theta" Ethernet
PHYs. This is also the same PHY core as in the 3Com 3c905C. The PHY is documented in the 3c905C manual.
This commit is contained in:
thorpej
parent
424f7a1e65
commit
9987ee5249
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/* $NetBSD: bmtphy.c,v 1.1 2001/06/02 21:42:10 thorpej Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000, 2001 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
|
||||
* 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
|
||||
* 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 the Broadcom BCM5201/BCM5202 "Mini-Theta" PHYs. This also
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* drives the PHY on the 3Com 3c905C. The 3c905C's PHY is described in
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* the 3c905C data sheet.
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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 <sys/errno.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/bmtphyreg.h>
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int bmtphymatch __P((struct device *, struct cfdata *, void *));
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void bmtphyattach __P((struct device *, struct device *, void *));
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struct cfattach bmtphy_ca = {
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sizeof(struct mii_softc), bmtphymatch, bmtphyattach,
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mii_phy_detach, mii_phy_activate
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};
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int bmtphy_service __P((struct mii_softc *, struct mii_data *, int));
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void bmtphy_status __P((struct mii_softc *));
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const struct mii_phy_funcs bmtphy_funcs = {
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bmtphy_service, bmtphy_status, mii_phy_reset,
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};
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const struct mii_phydesc bmtphys[] = {
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{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_3C905C,
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MII_STR_xxBROADCOM_3C905C },
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{ MII_OUI_xxBROADCOM, MII_MODEL_xxBROADCOM_BCM5201,
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MII_STR_xxBROADCOM_BCM5201 },
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{ 0, 0,
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NULL },
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};
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int
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bmtphymatch(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_phy_match(ma, bmtphys) != NULL)
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return (10);
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return (0);
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}
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void
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bmtphyattach(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 mii_softc *sc = (struct mii_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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const struct mii_phydesc *mpd;
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mpd = mii_phy_match(ma, bmtphys);
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printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
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sc->mii_inst = mii->mii_instance;
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sc->mii_phy = ma->mii_phyno;
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sc->mii_funcs = &bmtphy_funcs;
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sc->mii_pdata = mii;
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sc->mii_flags = mii->mii_flags;
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PHY_RESET(sc);
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/*
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* XXX Check AUX_STS_FX_MODE to set MIIF_HAVE_FIBER?
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*/
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sc->mii_capabilities =
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PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
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printf("%s: ", sc->mii_dev.dv_xname);
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if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0)
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printf("no media present");
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else
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mii_phy_add_media(sc);
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printf("\n");
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}
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int
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bmtphy_service(sc, mii, cmd)
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struct mii_softc *sc;
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struct mii_data *mii;
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int cmd;
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{
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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->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->mii_inst) {
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reg = PHY_READ(sc, MII_BMCR);
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PHY_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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mii_phy_setmedia(sc);
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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->mii_inst)
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return (0);
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if (mii_phy_tick(sc) == EJUSTRETURN)
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return (0);
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break;
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case MII_DOWN:
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mii_phy_down(sc);
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return (0);
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}
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/* Update the media status. */
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mii_phy_status(sc);
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/* Callback if something changed. */
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mii_phy_update(sc, cmd);
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return (0);
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}
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void
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bmtphy_status(sc)
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struct mii_softc *sc;
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{
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struct mii_data *mii = sc->mii_pdata;
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struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
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int bmsr, bmcr, aux_csr;
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mii->mii_media_status = IFM_AVALID;
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mii->mii_media_active = IFM_ETHER;
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bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
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aux_csr = PHY_READ(sc, MII_BMTPHY_AUX_CSR);
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if (bmsr & BMSR_LINK)
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mii->mii_media_status |= IFM_ACTIVE;
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bmcr = PHY_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) {
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/*
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* The media status bits are only valid of autonegotiation
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* has completed (or it's disabled).
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*/
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if ((bmsr & BMSR_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 (aux_csr & AUX_CSR_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 (aux_csr & AUX_CSR_FDX)
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mii->mii_media_active |= IFM_FDX;
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} else
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mii->mii_media_active = ife->ifm_media;
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}
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@ -0,0 +1,179 @@
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/* $NetBSD: bmtphyreg.h,v 1.1 2001/06/02 21:42:10 thorpej Exp $ */
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/*-
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* Copyright (c) 2001 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.
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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
|
||||
* 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:
|
||||
* 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
|
||||
* 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
|
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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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#ifndef _DEV_MII_BMTPHYREG_H_
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#define _DEV_MII_BMTPHYREG_H_
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/*
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* BCM5201/BCM5202 registers.
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*/
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#define MII_BMTPHY_AUX_CTL 0x10 /* auxiliary control */
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#define AUX_CTL_TXDIS 0x2000 /* transmitter disable */
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#define AUX_CTL_4B5B_BYPASS 0x0400 /* bypass 4b5b encoder */
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#define AUX_CTL_SCR_BYPASS 0x0200 /* bypass scrambler */
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#define AUX_CTL_NRZI_BYPASS 0x0100 /* bypass NRZI encoder */
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#define AUX_CTL_RXALIGN_BYPASS 0x0080 /* bypass rx symbol alignment */
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#define AUX_CTL_BASEWANDER_DIS 0x0040 /* disable baseline wander correction */
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#define AUX_CTL_FEF_EN 0x0020 /* far-end fault enable */
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#define MII_BMTPHY_AUX_STS 0x11 /* auxiliary status */
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#define AUX_STS_FX_MODE 0x0400 /* 100base-FX mode (strap pin) */
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#define AUX_STS_LOCKED 0x0200 /* descrambler locked */
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#define AUX_STS_100BASE_LINK 0x0100 /* 1 = 100base link */
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#define AUX_STS_REMFAULT 0x0080 /* remote fault */
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#define AUX_STS_DISCON_STATE 0x0040 /* disconnect state */
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#define AUX_STS_FCARDET 0x0020 /* false carrier detected */
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#define AUX_STS_BAD_ESD 0x0010 /* bad ESD detected */
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#define AUX_STS_RXERROR 0x0008 /* Rx error detected */
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#define AUX_STS_TXERROR 0x0004 /* Tx error detected */
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#define AUX_STS_LOCKERROR 0x0002 /* lock error detected */
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#define AUX_STS_MLT3ERROR 0x0001 /* MLT3 code error detected */
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#define MII_BMTPHY_RXERROR_CTR 0x12 /* 100base-X Rx error counter */
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#define RXERROR_CTR_MASK 0x00ff
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#define MII_BMTPHY_FCS_CTR 0x13 /* 100base-X false carrier counter */
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#define FCS_CTR_MASK 0x00ff
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#define MII_BMTPHY_DIS_CTR 0x14 /* 100base-X disconnect counter */
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#define DIS_CTR_MASK 0x00ff
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#define MII_BMTPHY_PTEST 0x17 /* PTEST */
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#define MII_BMTPHY_AUX_CSR 0x18 /* auxiliary control/status */
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#define AUX_CSR_JABBER_DIS 0x8000 /* jabber disable */
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#define AUX_CSR_FLINK 0x4000 /* force 10baseT link pass */
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#define AUX_CSR_HSQ 0x0080 /* SQ high */
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#define AUX_CSR_LSQ 0x0040 /* SQ low */
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#define AUX_CSR_ER1 0x0020 /* edge rate 1 */
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#define AUX_CSR_ER0 0x0010 /* edge rate 0 */
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#define AUX_CSR_ANEG 0x0008 /* auto-negotiation activated */
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#define AUX_CSR_F100 0x0004 /* force 100base */
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#define AUX_CSR_SPEED 0x0002 /* 1 = 100, 0 = 10 */
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#define AUX_CSR_FDX 0x0001 /* full-duplex */
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#define MII_BMTPHY_AUX_SS 0x19 /* auxiliary status summary */
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#define AUX_SS_ACOMP 0x8000 /* auto-negotiation complete */
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#define AUX_SS_ACOMP_ACK 0x4000 /* auto-negotiation compl. ack */
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#define AUX_SS_AACK_DET 0x2000 /* auto-neg. ack detected */
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#define AUX_SS_ANLPAD 0x1000 /* auto-neg. link part. ability det */
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#define AUX_SS_ANEG_PAUSE 0x0800 /* pause operation bit */
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#define AUX_SS_HCD 0x0700 /* highest common denominator */
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#define AUX_SS_HCD_NONE 0x0000 /* none */
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#define AUX_SS_HCD_10T 0x0100 /* 10baseT */
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#define AUX_SS_HCD_10T_FDX 0x0200 /* 10baseT-FDX */
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#define AUX_SS_HCD_100TX 0x0300 /* 100baseTX-FDX */
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#define AUX_SS_HCD_100T4 0x0400 /* 100baseT4 */
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#define AUX_SS_HCD_100TX_FDX 0x0500 /* 100baseTX-FDX */
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#define AUX_SS_PDF 0x0080 /* parallel detection fault */
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#define AUX_SS_LPRF 0x0040 /* link partner remote fault */
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#define AUX_SS_LPPR 0x0020 /* link partner page received */
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#define AUX_SS_LPANA 0x0010 /* link partner auto-neg able */
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#define AUX_SS_SPEED 0x0008 /* 1 = 100, 0 = 10 */
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#define AUX_SS_LINK 0x0004 /* link pass */
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#define AUX_SS_ANEN 0x0002 /* auto-neg. enabled */
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#define AUX_SS_JABBER 0x0001 /* jabber detected */
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#define MII_BMTPHY_INTR 0x1a /* interrupt register */
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#define INTR_FDX_LED 0x8000 /* full-duplex led enable */
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#define INTR_INTR_EN 0x4000 /* interrupt enable */
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#define INTR_FDX_MASK 0x0800 /* full-dupled intr mask */
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#define INTR_SPD_MASK 0x0400 /* speed intr mask */
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#define INTR_LINK_MASK 0x0200 /* link intr mask */
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#define INTR_INTR_MASK 0x0100 /* master interrupt mask */
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#define INTR_FDX_CHANGE 0x0008 /* full-duplex change */
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#define INTR_SPD_CHANGE 0x0004 /* speed change */
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#define INTR_LINK_CHANGE 0x0002 /* link change */
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#define INTR_INTR_STATUS 0x0001 /* interrupt status */
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#define MII_BMTPHY_AUX2 0x1b /* auliliary mode 2 */
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#define AUX2_BLOCK_RXDV 0x0200 /* block RXDV mode enabled */
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#define AUX2_ANPDQ 0x0100 /* auto-neg parallel detection Q mode */
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#define AUX2_TRAFFIC_LED 0x0040 /* traffic meter led enable */
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#define AUX2_FXMTRCV_LED 0x0020 /* force Tx and Rx LEDs */
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#define AUX2_HS_TOKEN 0x0010 /* high-speed token ring mode */
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#define AUX2_AUTO_LP 0x0008 /* auto low-power mode */
|
||||
#define AUX2_TWOLINK_LED 0x0004 /* two link LEDs */
|
||||
#define AUX2_SQE_DIS 0x0002 /* disable SQE pulse */
|
||||
|
||||
|
||||
#define MII_BMTPHY_AUXERR 0x1c /* auxiliary error */
|
||||
#define AUXERR_MANCHESTER 0x0400 /* Manchester code error */
|
||||
#define AUXERR_EOF 0x0200 /* EOF detection error */
|
||||
#define AUXERR_POLARITY 0x0100 /* polarity inversion */
|
||||
#define AUXERR_ANEG 0x0008 /* autonegotiation enabled */
|
||||
#define AUXERR_F100 0x0004 /* force 100base */
|
||||
#define AUXERR_SPEED 0x0002 /* 1 = 100, 0 = 10 */
|
||||
#define AUXERR_FDX 0x0001 /* full-duplex */
|
||||
|
||||
|
||||
#define MII_BMTPHY_AUXMODE 0x1d /* auxiliary mode */
|
||||
#define AUXMODE_ACT_LED_DIS 0x0010 /* activity LED disable */
|
||||
#define AUXMODE_LINK_LED_DIS 0x0008 /* link LED disable */
|
||||
#define AUXMODE_BLOCK_TXEN 0x0002 /* enable block TXEN */
|
||||
|
||||
|
||||
#define MII_BMTPHY_AUXMPHY 0x1e /* auxiliary multiple phy register */
|
||||
#define AUXMPHY_HCD_TX_FDX 0x8000 /* res. is 100baseTX-FDX */
|
||||
#define AUXMPHY_HCD_T4 0x4000 /* res. is 100baseT4 */
|
||||
#define AUXMPHY_HCD_TX 0x2000 /* res. is 100baseTX */
|
||||
#define AUXMPHY_HCD_10T_FDX 0x1000 /* res. is 10baseT-FDX */
|
||||
#define AUXMPHY_HCD_10T 0x0800 /* res. is 10baseT */
|
||||
#define AUXMPHY_RES_ANEG 0x0100 /* restart auto-negotiation */
|
||||
#define AUXMPHY_ANEG_COMP 0x0080 /* auto-negotiation complete */
|
||||
#define AUXMPHY_ACK_COMP 0x0040 /* acknowledge complete */
|
||||
#define AUXMPHY_ACK_DET 0x0020 /* acknowledge detected */
|
||||
#define AUXMPHY_ABILITY_DET 0x0010 /* waiting for LP ability */
|
||||
#define AUXMPHY_SUPER_ISO 0x0008 /* super-isolate mode */
|
||||
#define AUXMPHY_10T_SERIAL 0x0002 /* 10baseT serial mode */
|
||||
|
||||
|
||||
#define MII_BMTPHY_TEST 0x1d /* Broadcom test register */
|
||||
|
||||
|
||||
#endif /* _DEV_MII_BMTPHYREG_H_ */
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
# $NetBSD: files.mii,v 1.21 2001/06/01 16:50:00 thorpej Exp $
|
||||
# $NetBSD: files.mii,v 1.22 2001/06/02 21:42:11 thorpej Exp $
|
||||
|
||||
file dev/mii/mii.c mii
|
||||
|
||||
|
|
@ -10,6 +10,10 @@ file dev/mii/mii_physubr.c mii_phy
|
|||
define ukphy_subr
|
||||
file dev/mii/ukphy_subr.c ukphy_subr
|
||||
|
||||
device bmtphy: mii_phy
|
||||
attach bmtphy at mii
|
||||
file dev/mii/bmtphy.c bmtphy
|
||||
|
||||
device brgphy: mii_phy
|
||||
attach brgphy at mii
|
||||
file dev/mii/brgphy.c brgphy
|
||||
|
|
|
|||
Loading…
Reference in New Issue