Add icsphy(4), Integrated Circuit Systems PHY driver, ported from
NetBSD. ATM the only consumer of the PHY is XBox with nfe(4) driver. Submitted by: Ed Schouten <ed@fxq.nl> Tested by: Ed Schouten <ed@fxq.nl>
This commit is contained in:
yongari
parent
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commit
42127c918b
302
sys/dev/mii/icsphy.c
Normal file
302
sys/dev/mii/icsphy.c
Normal file
@ -0,0 +1,302 @@
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/* $NetBSD: icsphy.c,v 1.41 2006/11/16 21:24:07 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.
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*
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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:
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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
|
||||
* 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
|
||||
* 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
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||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* driver for Integrated Circuit Systems' ICS1889-1893 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/module.h>
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#include <sys/socket.h>
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#include <sys/bus.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 "miidevs.h"
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#include <dev/mii/icsphyreg.h>
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#include "miibus_if.h"
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static int icsphy_probe(device_t dev);
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static int icsphy_attach(device_t dev);
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struct icsphy_softc {
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struct mii_softc mii_sc;
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int mii_model;
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};
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static device_method_t icsphy_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, icsphy_probe),
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DEVMETHOD(device_attach, icsphy_attach),
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DEVMETHOD(device_detach, mii_phy_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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{ 0, 0 }
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};
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static devclass_t icsphy_devclass;
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static driver_t icsphy_driver = {
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"icsphy",
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icsphy_methods,
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sizeof(struct icsphy_softc)
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};
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DRIVER_MODULE(icsphy, miibus, icsphy_driver, icsphy_devclass, 0, 0);
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static int icsphy_service(struct mii_softc *, struct mii_data *, int);
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static void icsphy_status(struct mii_softc *);
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static void icsphy_reset(struct mii_softc *);
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static const struct mii_phydesc icsphys[] = {
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MII_PHY_DESC(xxICS, 1889),
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MII_PHY_DESC(xxICS, 1890),
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MII_PHY_DESC(xxICS, 1892),
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MII_PHY_DESC(xxICS, 1893),
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MII_PHY_END
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};
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static int
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icsphy_probe(device_t dev)
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{
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return (mii_phy_dev_probe(dev, icsphys, BUS_PROBE_DEFAULT));
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}
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static int
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icsphy_attach(device_t dev)
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{
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struct icsphy_softc *isc;
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struct mii_softc *sc;
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struct mii_attach_args *ma;
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struct mii_data *mii;
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isc = device_get_softc(dev);
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sc = &isc->mii_sc;
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ma = device_get_ivars(dev);
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sc->mii_dev = device_get_parent(dev);
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mii = device_get_softc(sc->mii_dev);
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LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
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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_service = icsphy_service;
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sc->mii_pdata = mii;
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sc->mii_anegticks = MII_ANEGTICKS;
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sc->mii_flags |= MIIF_NOISOLATE;
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mii->mii_instance++;
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ifmedia_add(&mii->mii_media,
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IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
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MII_MEDIA_100_TX, NULL);
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isc->mii_model = MII_MODEL(ma->mii_id2);
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icsphy_reset(sc);
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sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
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device_printf(dev, " ");
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mii_phy_add_media(sc);
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printf("\n");
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MIIBUS_MEDIAINIT(sc->mii_dev);
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return (0);
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}
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static int
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icsphy_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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/*
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* If we're not selected, then do nothing, just isolate, if
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* changing media.
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*/
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if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
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if (cmd == MII_MEDIACHG) {
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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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}
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return (0);
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}
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switch (cmd) {
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case MII_POLLSTAT:
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break;
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case MII_MEDIACHG:
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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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if (mii_phy_tick(sc) == EJUSTRETURN)
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return (0);
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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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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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icsphy_status(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 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 = PHY_READ(sc, MII_ICSPHY_QPR); /* unlatch */
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qpr = PHY_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 = 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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if ((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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else
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mii->mii_media_active |= IFM_HDX;
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} else
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mii->mii_media_active = ife->ifm_media;
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}
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static void
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icsphy_reset(struct mii_softc *sc)
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{
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struct icsphy_softc *isc = (struct icsphy_softc *)sc;
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mii_phy_reset(sc);
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/* set powerdown feature */
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switch (isc->mii_model) {
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case MII_MODEL_xxICS_1890:
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case MII_MODEL_xxICS_1893:
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PHY_WRITE(sc, MII_ICSPHY_ECR2, ECR2_100AUTOPWRDN);
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break;
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case MII_MODEL_xxICS_1892:
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PHY_WRITE(sc, MII_ICSPHY_ECR2,
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ECR2_10AUTOPWRDN|ECR2_100AUTOPWRDN);
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break;
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default:
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/* 1889 have no ECR2 */
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break;
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}
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/*
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* There is no description that the reset do auto-negotiation in the
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* data sheet.
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*/
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PHY_WRITE(sc, MII_BMCR, BMCR_S100|BMCR_STARTNEG|BMCR_FDX);
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}
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136
sys/dev/mii/icsphyreg.h
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136
sys/dev/mii/icsphyreg.h
Normal file
@ -0,0 +1,136 @@
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/* $NetBSD: icsphyreg.h,v 1.2 2003/07/01 22:46:08 msaitoh 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
|
||||
* 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.
|
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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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* 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
|
||||
* 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)
|
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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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* $FreeBSD$
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*/
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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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* http://www.icst.com/pdf/18??.pdf
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*/
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/* HEX 1889 1890 1892 1893
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*--------------------------------------------------------------
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* 0 Control * * * *
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* 1 Status * * * *
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* 2 PHY Identifier * * * *
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* 3 PHY Identifier * * * *
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* 4 Auto-Neg. Advertisement * * *
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* 5 Auto-Neg. Link Parent Adv * * *
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* 6 Auto-Neg. Expansion * * *
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* 7 Auto-Neg. Next Page Tx * *
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* 8 ANg Nxt Page Lnk Parnt Abl * *
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* 10 Extended Control * * * *
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* 11 Quick Poll Status * * * *
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* 12 10Base-T Operation * * *
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* 13 Extended Control2 * * *
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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_SDETECT 0x0008 /* signal detect */
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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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#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 */
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#define TTR_LOOP 0x0010 /* Loopback mode */
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#define TTR_NOAPOLARITY 0x0008 /* Disable auto polarity correction */
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#define TTR_NOSQE 0x0004 /* Disable SQE check */
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#define TTR_NOLINK 0x0002 /* Disable Link check */
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#define TTR_NOSQUELCH 0x0001 /* Disable squelch */
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/*
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* Extended Control Register 2
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*
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* HEX 1889 1890 1892 1893
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*-------------------------------------------------------------------
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* 8000 Node/Repeater Mode * * *
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* 4000 Hardware/Software Mode * * *
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* 2000 Link Partner Support Remote Flt *
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* 2000 Remote Fault * *
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* 1000
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* 0800
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* 0400 Xmitted Remote Fault status *
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* 0200
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* 0100
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* 0080 Tri-state Enable *
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* 0040
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* 0020
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* 0010 A-N Powerup Remote Flt *
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* 0008
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* 0004
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* 0002 Automatic 10Base-T Power Down *
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* 0001 Automatic 100Base-TX Power Down * * *
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*/
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#define MII_ICSPHY_ECR2 0x13 /* Extended Control Register 2 */
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#define ECR2_REPEATER 0x8000 /* Repeater Mode */
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#define ECR2_HWSW 0x4000 /* hw/sw config priority */
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#define ECR2_LPRF 0x2000 /* link partner supports rem fault */
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#define ECR2_FORCERF 0x0400 /* Force transmit of rem fault */
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#define ECR2_RFPUP 0x0010 /* A-N Powerup Remote fault */
|
||||
#define ECR2_10AUTOPWRDN 0x0002 /* Automatic 10baseT power down */
|
||||
#define ECR2_100AUTOPWRDN 0x0001 /* Automatic 100baseTX power down */
|
||||
|
||||
#endif /* _DEV_MII_ICSPHYREG_H_ */
|
||||
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Block a user