PR/44080: Grégoire Sutre: Support for the i82577 ethernet PHY
This commit is contained in:
christos
parent
890fb8eb91
commit
e5ce60b3e7
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@ -1,4 +1,4 @@
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# $NetBSD: files.mii,v 1.46 2010/11/13 00:47:24 jnemeth Exp $
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# $NetBSD: files.mii,v 1.47 2010/11/27 20:15:27 christos Exp $
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defflag opt_mii.h MIIVERBOSE
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@ -137,6 +137,10 @@ device atphy: mii_phy
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attach atphy at mii
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file dev/mii/atphy.c atphy
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device ihphy: mii_phy
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attach ihphy at mii
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file dev/mii/ihphy.c ihphy
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device etphy: mii_phy
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attach etphy at mii
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file dev/mii/etphy.c etphy
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@ -0,0 +1,324 @@
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/* $NetBSD: ihphy.c,v 1.1 2010/11/27 20:15:27 christos Exp $ */
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/*-
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* Copyright (c) 1998, 1999, 2000 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, and by Frank van der Linden.
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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
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* 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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*
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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
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* 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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*
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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 Intel's 82577 (Hanksville) Ethernet 10/100/1000 PHY
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* Data Sheet: http://download.intel.com/design/network/datashts/319439.pdf
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ihphy.c,v 1.1 2010/11/27 20:15:27 christos Exp $");
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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/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/ihphyreg.h>
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static int ihphymatch(device_t, cfdata_t, void *);
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static void ihphyattach(device_t, device_t, void *);
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CFATTACH_DECL3_NEW(ihphy, sizeof(struct mii_softc),
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ihphymatch, ihphyattach, mii_phy_detach, mii_phy_activate, NULL, NULL,
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DVF_DETACH_SHUTDOWN);
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static int ihphy_service(struct mii_softc *, struct mii_data *, int);
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static void ihphy_status(struct mii_softc *);
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static void ihphy_reset(struct mii_softc *);
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static const struct mii_phy_funcs ihphy_funcs = {
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ihphy_service, ihphy_status, ihphy_reset,
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};
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static const struct mii_phydesc ihphys[] = {
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{ MII_OUI_INTEL, MII_MODEL_INTEL_I82577,
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MII_STR_INTEL_I82577 },
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{ 0, 0,
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NULL },
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};
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static int
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ihphymatch(device_t parent, cfdata_t match, 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, ihphys) != NULL)
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return 10;
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return 0;
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}
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static void
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ihphyattach(device_t parent, device_t self, void *aux)
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{
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struct mii_softc *sc = device_private(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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int reg;
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mpd = mii_phy_match(ma, ihphys);
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aprint_naive(": Media interface\n");
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aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
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sc->mii_dev = self;
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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 = &ihphy_funcs;
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sc->mii_pdata = mii;
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sc->mii_flags = ma->mii_flags;
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sc->mii_anegticks = MII_ANEGTICKS;
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PHY_RESET(sc);
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sc->mii_capabilities =
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PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
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if (sc->mii_capabilities & BMSR_EXTSTAT)
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sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
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aprint_normal_dev(self, "");
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if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
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(sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
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aprint_error("no media present");
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else
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mii_phy_add_media(sc);
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aprint_normal("\n");
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/*
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* Link setup (as done by Intel's Linux driver for the 82577).
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*/
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reg = PHY_READ(sc, IHPHY_MII_CFG);
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reg |= IHPHY_CFG_TX_CRS;
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reg |= IHPHY_CFG_DOWN_SHIFT;
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PHY_WRITE(sc, IHPHY_MII_CFG, reg);
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}
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static int
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ihphy_service(struct mii_softc *sc, struct mii_data *mii, 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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/*
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* If media is deselected, disable link (standby).
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*/
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reg = PHY_READ(sc, IHPHY_MII_ECR);
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if (IFM_SUBTYPE(ife->ifm_media) == IFM_NONE)
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reg &= ~IHPHY_ECR_LNK_EN;
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else
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reg |= IHPHY_ECR_LNK_EN;
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PHY_WRITE(sc, IHPHY_MII_ECR, reg);
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/*
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* XXX Adjust MDI/MDIX configuration? Other settings?
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*/
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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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/*
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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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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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PHY_WRITE(sc, MII_BMCR, BMCR_PDOWN);
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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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static void
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ihphy_status(struct mii_softc *sc)
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{
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struct mii_data *mii = sc->mii_pdata;
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int esr, bmcr, gtsr;
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mii->mii_media_status = IFM_AVALID;
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mii->mii_media_active = IFM_ETHER;
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esr = PHY_READ(sc, IHPHY_MII_ESR);
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if (esr & IHPHY_ESR_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 | BMCR_PDOWN)) {
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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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if ((esr & IHPHY_ESR_ANEG_STAT) == 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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}
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switch (esr & IHPHY_ESR_SPEED) {
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case IHPHY_SPEED_1000:
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mii->mii_media_active |= IFM_1000_T;
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gtsr = PHY_READ(sc, MII_100T2SR);
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if (gtsr & GTSR_MS_RES)
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mii->mii_media_active |= IFM_ETH_MASTER;
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break;
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case IHPHY_SPEED_100:
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/* 100BASE-T2 and 100BASE-T4 are not supported. */
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mii->mii_media_active |= IFM_100_TX;
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break;
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case IHPHY_SPEED_10:
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mii->mii_media_active |= IFM_10_T;
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break;
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default:
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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 (esr & IHPHY_ESR_DUPLEX)
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mii->mii_media_active |=
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IFM_FDX | mii_phy_flowstatus(sc);
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}
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static void
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ihphy_reset(struct mii_softc *sc)
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{
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int reg, i;
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PHY_WRITE(sc, MII_BMCR, BMCR_RESET | BMCR_ISO);
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/*
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* Regarding reset, the data sheet specifies (page 55):
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*
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* "After PHY reset, a delay of 10 ms is required before
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* any register access using MDIO."
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*/
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delay(10000);
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/* Wait another 100ms for it to complete. */
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for (i = 0; i < 100; i++) {
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reg = PHY_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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if (sc->mii_inst != 0)
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PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
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}
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@ -0,0 +1,111 @@
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/* $NetBSD: ihphyreg.h,v 1.1 2010/11/27 20:15:27 christos Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* 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
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
|
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* 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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*
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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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#ifndef _DEV_MII_IHPHYREG_H_
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#define _DEV_MII_IHPHYREG_H_
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#include <dev/mii/inbmphyreg.h>
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/*
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* Intel 82577LM registers.
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*/
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/* PHY Control Register 2 */
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#define IHPHY_MII_ECR2 BME1000_REG(0, 18)
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/* Loopback Control Register */
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#define IHPHY_MII_LCR BME1000_REG(0, 19)
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/* RX Error Counter Register */
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#define IHPHY_MII_RXERR BME1000_REG(0, 20)
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/* Management Interface Register */
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#define IHPHY_MII_MIR BME1000_REG(0, 21)
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/* PHY Configuration Register */
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#define IHPHY_MII_CFG BME1000_REG(0, 22)
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#define IHPHY_CFG_TX_CRS 0x8000 /* CRS transmit enable */
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#define IHPHY_CFG_FIFO_DEPTH 0x3000 /* Transmit FIFO depth*/
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#define IHPHY_CFG_DOWN_SHIFT 0x0C00 /* Automatic speed downshift mode */
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#define IHPHY_CFG_ALT_PAGE 0x0080 /* Alternate next page */
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#define IHPHY_CFG_GRP_MDIO 0x0040 /* Group MDIO mode enable */
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#define IHPHY_CFG_TX_CLOCK 0x0020 /* Transmit clock enable */
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/* PHY Control Register */
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#define IHPHY_MII_ECR BME1000_REG(0, 23)
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#define IHPHY_ECR_LNK_EN 0x2000 /* Link enable */
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#define IHPHY_ECR_DOWN_SHIFT 0x1C00 /* Automatic speed downshift attempts */
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#define IHPHY_ECR_LNK_PARTNER 0x0080 /* Link Partner Detected */
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#define IHPHY_ECR_JABBER 0x0040 /* Jabber (10BASE-T) */
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#define IHPHY_ECR_SQE 0x0020 /* Heartbeat (10BASE-T) */
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#define IHPHY_ECR_TP_LOOPBACK 0x0010 /* TP loopback (10BASE-T) */
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#define IHPHY_ECR_PRE_LENGTH 0x000C /* Preamble length (10BASE-T) */
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/* Interrupt Mask Register */
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#define IHPHY_MII_IMR BME1000_REG(0, 24)
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/* Interrupt Status Register */
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#define IHPHY_MII_ISR BME1000_REG(0, 25)
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/* PHY Status Register */
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#define IHPHY_MII_ESR BME1000_REG(0, 26)
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#define IHPHY_ESR_STANDBY 0x8000 /* PHY in standby */
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#define IHPHY_ESR_ANEG_FAULT 0x6000 /* Autonegotation fault status */
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#define IHPHY_ESR_ANEG_STAT 0x1000 /* Autonegotiation status */
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#define IHPHY_ESR_PAIR_SWAP 0x0800 /* Pair swap on pairs A and B */
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#define IHPHY_ESR_POLARITY 0x0400 /* Polarity status */
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#define IHPHY_ESR_SPEED 0x0300 /* Speed status */
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#define IHPHY_ESR_DUPLEX 0x0080 /* Duplex status */
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#define IHPHY_ESR_LINK 0x0040 /* Link status */
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#define IHPHY_ESR_TRANSMIT 0x0020 /* Transmit status */
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#define IHPHY_ESR_RECEIVE 0x0010 /* Receive status */
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#define IHPHY_ESR_COLLISION 0x0008 /* Collision status */
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#define IHPHY_ESR_ANEG_BOTH 0x0004 /* Autonegotiation enabled for both */
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#define IHPHY_ESR_PAUSE 0x0002 /* Link partner has PAUSE */
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#define IHPHY_ESR_ASYM_PAUSE 0x0001 /* Link partner has asymmetric PAUSE */
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#define IHPHY_SPEED_10 0x0000
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#define IHPHY_SPEED_100 0x0100
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#define IHPHY_SPEED_1000 0x0200
|
||||
|
||||
/* LED Control Register 1 */
|
||||
#define IHPHY_MII_LED1 BME1000_REG(0, 27)
|
||||
|
||||
/* LED Control Register 2 */
|
||||
#define IHPHY_MII_LED2 BME1000_REG(0, 28)
|
||||
|
||||
/* LED Control Register 3 */
|
||||
#define IHPHY_MII_LED3 BME1000_REG(0, 29)
|
||||
|
||||
/* Diagnostics Control Register */
|
||||
#define IHPHY_MII_DCR BME1000_REG(0, 30)
|
||||
|
||||
/* Diagnostics Status Register */
|
||||
#define IHPHY_MII_DSR BME1000_REG(0, 31)
|
||||
|
||||
#endif /* _DEV_IHPHY_MIIREG_H_ */
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
$NetBSD: miidevs,v 1.96 2010/11/27 18:01:40 jym Exp $
|
||||
$NetBSD: miidevs,v 1.97 2010/11/27 20:15:27 christos Exp $
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
|
||||
|
|
@ -207,6 +207,7 @@ model yyINTEL I82562EM 0x0032 i82562EM 10/100 media interface
|
|||
model yyINTEL I82562ET 0x0033 i82562ET 10/100 media interface
|
||||
model yyINTEL I82553 0x0035 i82553 10/100 media interface
|
||||
model yyINTEL I82566 0x0039 i82566 10/100/1000 media interface
|
||||
model INTEL I82577 0x0005 i82577 10/100/1000 media interface
|
||||
model xxMARVELL I82563 0x000a i82563 10/100/1000 media interface
|
||||
|
||||
model yyINTEL IGP01E1000 0x0038 Intel IGP01E1000 Gigabit PHY
|
||||
|
|
|
|||
Loading…
Reference in New Issue