f8e0f10069
Also report current link state while auto-negotiation is in progress. With this change link loss should be reported within a second and drivers that rely on link state should work. Reported by: Pete French < petefrench at ticketswitch dot com > Tested by: Pete French < petefrench at ticketswitch dot com > MFC after: 1 week
1047 lines
30 KiB
C
1047 lines
30 KiB
C
/*-
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* Copyright (c) 2000
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* Bill Paul <wpaul@ee.columbia.edu>. 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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* 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 Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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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
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* 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 the Broadcom BCM54xx/57xx 1000baseTX PHY.
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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/ethernet.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/brgphyreg.h>
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#include <net/if_arp.h>
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#include <machine/bus.h>
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#include <dev/bge/if_bgereg.h>
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#include <dev/bce/if_bcereg.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include "miibus_if.h"
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static int brgphy_probe(device_t);
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static int brgphy_attach(device_t);
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struct brgphy_softc {
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struct mii_softc mii_sc;
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int mii_oui;
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int mii_model;
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int mii_rev;
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int serdes_flags; /* Keeps track of the serdes type used */
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#define BRGPHY_5706S 0x0001
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#define BRGPHY_5708S 0x0002
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int bce_phy_flags; /* PHY flags transferred from the MAC driver */
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};
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static device_method_t brgphy_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, brgphy_probe),
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DEVMETHOD(device_attach, brgphy_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 brgphy_devclass;
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static driver_t brgphy_driver = {
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"brgphy",
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brgphy_methods,
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sizeof(struct brgphy_softc)
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};
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DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
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static int brgphy_service(struct mii_softc *, struct mii_data *, int);
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static void brgphy_setmedia(struct mii_softc *, int, int);
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static void brgphy_status(struct mii_softc *);
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static void brgphy_mii_phy_auto(struct mii_softc *);
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static void brgphy_reset(struct mii_softc *);
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static void brgphy_enable_loopback(struct mii_softc *);
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static void bcm5401_load_dspcode(struct mii_softc *);
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static void bcm5411_load_dspcode(struct mii_softc *);
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static void brgphy_fixup_5704_a0_bug(struct mii_softc *);
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static void brgphy_fixup_adc_bug(struct mii_softc *);
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static void brgphy_fixup_adjust_trim(struct mii_softc *);
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static void brgphy_fixup_ber_bug(struct mii_softc *);
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static void brgphy_fixup_crc_bug(struct mii_softc *);
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static void brgphy_fixup_jitter_bug(struct mii_softc *);
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static void brgphy_ethernet_wirespeed(struct mii_softc *);
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static void brgphy_jumbo_settings(struct mii_softc *, u_long);
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static const struct mii_phydesc brgphys[] = {
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MII_PHY_DESC(xxBROADCOM, BCM5400),
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MII_PHY_DESC(xxBROADCOM, BCM5401),
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MII_PHY_DESC(xxBROADCOM, BCM5411),
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MII_PHY_DESC(xxBROADCOM, BCM5701),
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MII_PHY_DESC(xxBROADCOM, BCM5703),
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MII_PHY_DESC(xxBROADCOM, BCM5704),
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MII_PHY_DESC(xxBROADCOM, BCM5705),
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MII_PHY_DESC(xxBROADCOM, BCM5706),
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MII_PHY_DESC(xxBROADCOM, BCM5714),
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MII_PHY_DESC(xxBROADCOM, BCM5750),
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MII_PHY_DESC(xxBROADCOM, BCM5752),
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MII_PHY_DESC(xxBROADCOM, BCM5754),
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MII_PHY_DESC(xxBROADCOM, BCM5780),
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MII_PHY_DESC(xxBROADCOM, BCM5708C),
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MII_PHY_DESC(xxBROADCOM_ALT1, BCM5755),
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MII_PHY_DESC(xxBROADCOM_ALT1, BCM5787),
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MII_PHY_DESC(xxBROADCOM_ALT1, BCM5708S),
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MII_PHY_DESC(xxBROADCOM_ALT1, BCM5709CAX),
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MII_PHY_DESC(xxBROADCOM_ALT1, BCM5722),
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MII_PHY_DESC(xxBROADCOM_ALT1, BCM5709C),
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MII_PHY_DESC(BROADCOM2, BCM5906),
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MII_PHY_END
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};
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/* Search for our PHY in the list of known PHYs */
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static int
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brgphy_probe(device_t dev)
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{
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return (mii_phy_dev_probe(dev, brgphys, BUS_PROBE_DEFAULT));
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}
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/* Attach the PHY to the MII bus */
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static int
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brgphy_attach(device_t dev)
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{
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struct brgphy_softc *bsc;
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struct bge_softc *bge_sc = NULL;
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struct bce_softc *bce_sc = NULL;
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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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struct ifnet *ifp;
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int fast_ether;
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bsc = device_get_softc(dev);
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sc = &bsc->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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/* Initialize mii_softc structure */
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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 = brgphy_service;
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sc->mii_pdata = mii;
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sc->mii_anegticks = MII_ANEGTICKS_GIGE;
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sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
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mii->mii_instance++;
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/* Initialize brgphy_softc structure */
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bsc->mii_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
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bsc->mii_model = MII_MODEL(ma->mii_id2);
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bsc->mii_rev = MII_REV(ma->mii_id2);
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bsc->serdes_flags = 0;
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fast_ether = 0;
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if (bootverbose)
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device_printf(dev, "OUI 0x%06x, model 0x%04x, rev. %d\n",
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bsc->mii_oui, bsc->mii_model, bsc->mii_rev);
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/* Handle any special cases based on the PHY ID */
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switch (bsc->mii_oui) {
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case MII_OUI_BROADCOM:
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case MII_OUI_BROADCOM2:
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break;
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case MII_OUI_xxBROADCOM:
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switch (bsc->mii_model) {
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case MII_MODEL_xxBROADCOM_BCM5706:
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/*
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* The 5464 PHY used in the 5706 supports both copper
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* and fiber interfaces over GMII. Need to check the
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* shadow registers to see which mode is actually
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* in effect, and therefore whether we have 5706C or
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* 5706S.
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*/
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PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C,
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BRGPHY_SHADOW_1C_MODE_CTRL);
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if (PHY_READ(sc, BRGPHY_MII_SHADOW_1C) &
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BRGPHY_SHADOW_1C_ENA_1000X) {
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bsc->serdes_flags |= BRGPHY_5706S;
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sc->mii_flags |= MIIF_HAVEFIBER;
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}
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break;
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} break;
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case MII_OUI_xxBROADCOM_ALT1:
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switch (bsc->mii_model) {
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case MII_MODEL_xxBROADCOM_ALT1_BCM5708S:
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bsc->serdes_flags |= BRGPHY_5708S;
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sc->mii_flags |= MIIF_HAVEFIBER;
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break;
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} break;
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default:
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device_printf(dev, "Unrecognized OUI for PHY!\n");
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}
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ifp = sc->mii_pdata->mii_ifp;
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/* Find the MAC driver associated with this PHY. */
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if (strcmp(ifp->if_dname, "bge") == 0) {
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bge_sc = ifp->if_softc;
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} else if (strcmp(ifp->if_dname, "bce") == 0) {
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bce_sc = ifp->if_softc;
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}
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/* Todo: Need to add additional controllers such as 5906 & 5787F */
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/* The 590x chips are 10/100 only. */
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if (bge_sc &&
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pci_get_vendor(bge_sc->bge_dev) == BCOM_VENDORID &&
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(pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901 ||
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pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901A2 ||
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pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5906 ||
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pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5906M)) {
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fast_ether = 1;
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sc->mii_anegticks = MII_ANEGTICKS;
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}
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brgphy_reset(sc);
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/* Read the PHY's capabilities. */
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sc->mii_capabilities = 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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device_printf(dev, " ");
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#define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
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/* Create an instance of Ethernet media. */
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), BMCR_ISO);
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/* Add the supported media types */
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if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst),
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BRGPHY_S10);
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printf("10baseT, ");
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst),
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BRGPHY_S10 | BRGPHY_BMCR_FDX);
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printf("10baseT-FDX, ");
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst),
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BRGPHY_S100);
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printf("100baseTX, ");
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst),
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BRGPHY_S100 | BRGPHY_BMCR_FDX);
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printf("100baseTX-FDX, ");
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if (fast_ether == 0) {
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, sc->mii_inst),
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BRGPHY_S1000);
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printf("1000baseT, ");
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, sc->mii_inst),
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BRGPHY_S1000 | BRGPHY_BMCR_FDX);
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printf("1000baseT-FDX, ");
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}
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} else {
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst),
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BRGPHY_S1000 | BRGPHY_BMCR_FDX);
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printf("1000baseSX-FDX, ");
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/* 2.5G support is a software enabled feature on the 5708S and 5709S. */
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if (bce_sc && (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)) {
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX, sc->mii_inst), 0);
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printf("2500baseSX-FDX, ");
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}
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}
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ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
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printf("auto\n");
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#undef ADD
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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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brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
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{
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struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
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struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
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int error = 0;
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int val;
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switch (cmd) {
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case MII_POLLSTAT:
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/* If we're not polling our PHY instance, just return. */
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if (IFM_INST(ife->ifm_media) != sc->mii_inst)
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goto brgphy_service_exit;
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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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PHY_WRITE(sc, MII_BMCR,
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PHY_READ(sc, MII_BMCR) | BMCR_ISO);
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goto brgphy_service_exit;
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}
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/* If the interface is not up, don't do anything. */
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if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
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break;
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/* Todo: Why is this here? Is it really needed? */
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brgphy_reset(sc); /* XXX hardware bug work-around */
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switch (IFM_SUBTYPE(ife->ifm_media)) {
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case IFM_AUTO:
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brgphy_mii_phy_auto(sc);
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break;
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case IFM_2500_SX:
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case IFM_1000_SX:
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case IFM_1000_T:
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case IFM_100_TX:
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case IFM_10_T:
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brgphy_setmedia(sc, ife->ifm_media,
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mii->mii_ifp->if_flags & IFF_LINK0);
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break;
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default:
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error = EINVAL;
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goto brgphy_service_exit;
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}
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break;
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case MII_TICK:
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/* Bail if we're not currently selected. */
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if (IFM_INST(ife->ifm_media) != sc->mii_inst)
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goto brgphy_service_exit;
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|
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/* Bail if the interface isn't up. */
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if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
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goto brgphy_service_exit;
|
|
|
|
|
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/* Bail if autoneg isn't in process. */
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if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
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sc->mii_ticks = 0;
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break;
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}
|
|
|
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/*
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* Check to see if we have link. If we do, we don't
|
|
* need to restart the autonegotiation process.
|
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*/
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val = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
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if (val & BMSR_LINK) {
|
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sc->mii_ticks = 0; /* Reset autoneg timer. */
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break;
|
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}
|
|
|
|
/* Announce link loss right after it happens. */
|
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if (sc->mii_ticks++ == 0)
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break;
|
|
|
|
/* Only retry autonegotiation every mii_anegticks seconds. */
|
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if (sc->mii_ticks <= sc->mii_anegticks)
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break;
|
|
|
|
|
|
/* Retry autonegotiation */
|
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sc->mii_ticks = 0;
|
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brgphy_mii_phy_auto(sc);
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break;
|
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}
|
|
|
|
/* Update the media status. */
|
|
brgphy_status(sc);
|
|
|
|
/*
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* Callback if something changed. Note that we need to poke
|
|
* the DSP on the Broadcom PHYs if the media changes.
|
|
*/
|
|
if (sc->mii_media_active != mii->mii_media_active ||
|
|
sc->mii_media_status != mii->mii_media_status ||
|
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cmd == MII_MEDIACHG) {
|
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switch (bsc->mii_oui) {
|
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case MII_OUI_BROADCOM:
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break;
|
|
case MII_OUI_xxBROADCOM:
|
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switch (bsc->mii_model) {
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case MII_MODEL_xxBROADCOM_BCM5400:
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bcm5401_load_dspcode(sc);
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break;
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case MII_MODEL_xxBROADCOM_BCM5401:
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if (bsc->mii_rev == 1 || bsc->mii_rev == 3)
|
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bcm5401_load_dspcode(sc);
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break;
|
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case MII_MODEL_xxBROADCOM_BCM5411:
|
|
bcm5411_load_dspcode(sc);
|
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break;
|
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}
|
|
break;
|
|
case MII_OUI_xxBROADCOM_ALT1:
|
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break;
|
|
}
|
|
}
|
|
mii_phy_update(sc, cmd);
|
|
brgphy_service_exit:
|
|
return (error);
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/* Sets the PHY link speed. */
|
|
/* */
|
|
/* Returns: */
|
|
/* None */
|
|
/****************************************************************************/
|
|
static void
|
|
brgphy_setmedia(struct mii_softc *sc, int media, int master)
|
|
{
|
|
struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
|
|
int bmcr = 0, gig;
|
|
|
|
/* Calculate the value for the BMCR register. */
|
|
switch (IFM_SUBTYPE(media)) {
|
|
case IFM_2500_SX:
|
|
break;
|
|
case IFM_1000_SX:
|
|
case IFM_1000_T:
|
|
bmcr = BRGPHY_S1000;
|
|
break;
|
|
case IFM_100_TX:
|
|
bmcr = BRGPHY_S100;
|
|
break;
|
|
case IFM_10_T:
|
|
default:
|
|
bmcr = BRGPHY_S10;
|
|
break;
|
|
}
|
|
|
|
/* Calculate duplex settings for 1000BasetT/1000BaseX. */
|
|
if ((media & IFM_GMASK) == IFM_FDX) {
|
|
bmcr |= BRGPHY_BMCR_FDX;
|
|
gig = BRGPHY_1000CTL_AFD;
|
|
} else {
|
|
gig = BRGPHY_1000CTL_AHD;
|
|
}
|
|
|
|
/* Force loopback to disconnect PHY for Ethernet medium. */
|
|
brgphy_enable_loopback(sc);
|
|
|
|
/* Disable 1000BaseT advertisements. */
|
|
PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
|
|
/* Disable 10/100 advertisements. */
|
|
PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
|
|
/* Write forced link speed. */
|
|
PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr);
|
|
|
|
/* If 10/100 only then configuration is complete. */
|
|
if ((IFM_SUBTYPE(media) != IFM_1000_T) && (IFM_SUBTYPE(media) != IFM_1000_SX))
|
|
goto brgphy_setmedia_exit;
|
|
|
|
/* Set duplex speed advertisement for 1000BaseT/1000BaseX. */
|
|
PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
|
|
/* Restart auto-negotiation for 1000BaseT/1000BaseX. */
|
|
PHY_WRITE(sc, BRGPHY_MII_BMCR,
|
|
bmcr | BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
|
|
|
|
/* If not 5701 PHY then configuration is complete. */
|
|
if (bsc->mii_model != MII_MODEL_xxBROADCOM_BCM5701)
|
|
goto brgphy_setmedia_exit;
|
|
|
|
/*
|
|
* When setting the link manually, one side must be the master and
|
|
* the other the slave. However ifmedia doesn't give us a good way
|
|
* to specify this, so we fake it by using one of the LINK flags.
|
|
* If LINK0 is set, we program the PHY to be a master, otherwise
|
|
* it's a slave.
|
|
*/
|
|
if (master) {
|
|
PHY_WRITE(sc, BRGPHY_MII_1000CTL,
|
|
gig | BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC);
|
|
} else {
|
|
PHY_WRITE(sc, BRGPHY_MII_1000CTL,
|
|
gig | BRGPHY_1000CTL_MSE);
|
|
}
|
|
|
|
brgphy_setmedia_exit:
|
|
return;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* Set the media status based on the PHY settings. */
|
|
/* IFM_FLAG0 = 0 (RX flow control disabled) | 1 (enabled) */
|
|
/* IFM_FLAG1 = 0 (TX flow control disabled) | 1 (enabled) */
|
|
/* */
|
|
/* Returns: */
|
|
/* None */
|
|
/****************************************************************************/
|
|
static void
|
|
brgphy_status(struct mii_softc *sc)
|
|
{
|
|
struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
|
|
struct mii_data *mii = sc->mii_pdata;
|
|
int aux, bmcr, bmsr, anar, anlpar, xstat, val;
|
|
|
|
|
|
mii->mii_media_status = IFM_AVALID;
|
|
mii->mii_media_active = IFM_ETHER;
|
|
|
|
bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
|
|
bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
|
|
anar = PHY_READ(sc, BRGPHY_MII_ANAR);
|
|
anlpar = PHY_READ(sc, BRGPHY_MII_ANLPAR);
|
|
|
|
/* Loopback is enabled. */
|
|
if (bmcr & BRGPHY_BMCR_LOOP) {
|
|
|
|
mii->mii_media_active |= IFM_LOOP;
|
|
}
|
|
|
|
/* Autoneg is still in progress. */
|
|
if ((bmcr & BRGPHY_BMCR_AUTOEN) &&
|
|
(bmsr & BRGPHY_BMSR_ACOMP) == 0) {
|
|
/* Erg, still trying, I guess... */
|
|
mii->mii_media_active |= IFM_NONE;
|
|
goto brgphy_status_exit;
|
|
}
|
|
|
|
/* Autoneg is enabled and complete, link should be up. */
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
|
|
aux = PHY_READ(sc, BRGPHY_MII_AUXSTS);
|
|
|
|
/* If copper link is up, get the negotiated speed/duplex. */
|
|
if (aux & BRGPHY_AUXSTS_LINK) {
|
|
mii->mii_media_status |= IFM_ACTIVE;
|
|
switch (aux & BRGPHY_AUXSTS_AN_RES) {
|
|
case BRGPHY_RES_1000FD:
|
|
mii->mii_media_active |= IFM_1000_T | IFM_FDX; break;
|
|
case BRGPHY_RES_1000HD:
|
|
mii->mii_media_active |= IFM_1000_T | IFM_HDX; break;
|
|
case BRGPHY_RES_100FD:
|
|
mii->mii_media_active |= IFM_100_TX | IFM_FDX; break;
|
|
case BRGPHY_RES_100T4:
|
|
mii->mii_media_active |= IFM_100_T4; break;
|
|
case BRGPHY_RES_100HD:
|
|
mii->mii_media_active |= IFM_100_TX | IFM_HDX; break;
|
|
case BRGPHY_RES_10FD:
|
|
mii->mii_media_active |= IFM_10_T | IFM_FDX; break;
|
|
case BRGPHY_RES_10HD:
|
|
mii->mii_media_active |= IFM_10_T | IFM_HDX; break;
|
|
default:
|
|
mii->mii_media_active |= IFM_NONE; break;
|
|
}
|
|
}
|
|
} else {
|
|
/* If serdes link is up, get the negotiated speed/duplex. */
|
|
if (bmsr & BRGPHY_BMSR_LINK) {
|
|
mii->mii_media_status |= IFM_ACTIVE;
|
|
}
|
|
|
|
/* Check the link speed/duplex based on the PHY type. */
|
|
if (bsc->serdes_flags & BRGPHY_5706S) {
|
|
mii->mii_media_active |= IFM_1000_SX;
|
|
|
|
/* If autoneg enabled, read negotiated duplex settings */
|
|
if (bmcr & BRGPHY_BMCR_AUTOEN) {
|
|
val = PHY_READ(sc, BRGPHY_SERDES_ANAR) & PHY_READ(sc, BRGPHY_SERDES_ANLPAR);
|
|
if (val & BRGPHY_SERDES_ANAR_FDX)
|
|
mii->mii_media_active |= IFM_FDX;
|
|
else
|
|
mii->mii_media_active |= IFM_HDX;
|
|
}
|
|
|
|
} else if (bsc->serdes_flags & BRGPHY_5708S) {
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
|
|
xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
|
|
|
|
switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
|
|
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
|
|
mii->mii_media_active |= IFM_10_FL; break;
|
|
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
|
|
mii->mii_media_active |= IFM_100_FX; break;
|
|
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
|
|
mii->mii_media_active |= IFM_1000_SX; break;
|
|
case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
|
|
mii->mii_media_active |= IFM_2500_SX; break;
|
|
}
|
|
|
|
if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
|
|
mii->mii_media_active |= IFM_FDX;
|
|
else
|
|
mii->mii_media_active |= IFM_HDX;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
/* Todo: Change bge/bce to use these settings. */
|
|
|
|
/* Fetch flow control settings from the PHY */
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
|
|
/* Set FLAG0 is RX is enabled and FLAG1 if TX is enabled */
|
|
if ((anar & BRGPHY_ANAR_PC) && (anlpar & BRGPHY_ANLPAR_PC)) {
|
|
mii->mii_media_active |= IFM_FLAG0 | IFM_FLAG1;
|
|
} else if (!(anar & BRGPHY_ANAR_PC) && (anlpar & BRGPHY_ANAR_ASP) &&
|
|
(anlpar & BRPHY_ANLPAR_PC) && (anlpar & BRGPHY_ANLPAR_ASP)) {
|
|
mii->mii_media_active |= IFM_FLAG1;
|
|
} else if ((anar & BRGPHY_ANAR_PC) && (anar & BRGPHY_ANAR_ASP) &&
|
|
!(anlpar & BRGPHY_ANLPAR_PC) && (anlpar & BRGPHY_ANLPAR_ASP)) {
|
|
mii->mii_media_active |= IFM_FLAG0;
|
|
}
|
|
}
|
|
|
|
/* Todo: Add support for fiber settings too. */
|
|
#endif
|
|
|
|
|
|
brgphy_status_exit:
|
|
return;
|
|
}
|
|
|
|
static void
|
|
brgphy_mii_phy_auto(struct mii_softc *sc)
|
|
{
|
|
struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
|
|
int ktcr = 0;
|
|
|
|
brgphy_reset(sc);
|
|
|
|
/* Enable flow control in the advertisement register. */
|
|
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
|
|
/* Pause capability advertisement (pause capable & asymmetric) */
|
|
PHY_WRITE(sc, BRGPHY_MII_ANAR,
|
|
BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA |
|
|
BRGPHY_ANAR_ASP | BRGPHY_ANAR_PC);
|
|
} else {
|
|
PHY_WRITE(sc, BRGPHY_SERDES_ANAR, BRGPHY_SERDES_ANAR_FDX |
|
|
BRGPHY_SERDES_ANAR_HDX | BRGPHY_SERDES_ANAR_BOTH_PAUSE);
|
|
}
|
|
|
|
/* Enable speed in the 1000baseT control register */
|
|
ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD;
|
|
if (bsc->mii_model == MII_MODEL_xxBROADCOM_BCM5701)
|
|
ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC;
|
|
PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr);
|
|
ktcr = PHY_READ(sc, BRGPHY_MII_1000CTL);
|
|
|
|
/* Start autonegotiation */
|
|
PHY_WRITE(sc, BRGPHY_MII_BMCR,BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
|
|
PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
|
|
|
|
}
|
|
|
|
|
|
/* Enable loopback to force the link down. */
|
|
static void
|
|
brgphy_enable_loopback(struct mii_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
|
|
for (i = 0; i < 15000; i++) {
|
|
if (!(PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_LINK))
|
|
break;
|
|
DELAY(10);
|
|
}
|
|
}
|
|
|
|
/* Turn off tap power management on 5401. */
|
|
static void
|
|
bcm5401_load_dspcode(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ BRGPHY_MII_AUXCTL, 0x0c20 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x0012 },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x1804 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x0013 },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x1204 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x8006 },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x0132 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x8006 },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x0232 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x201f },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x0a20 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
DELAY(40);
|
|
}
|
|
|
|
static void
|
|
bcm5411_load_dspcode(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ 0x1c, 0x8c23 },
|
|
{ 0x1c, 0x8ca3 },
|
|
{ 0x1c, 0x8c23 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
static void
|
|
brgphy_fixup_5704_a0_bug(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ 0x1c, 0x8d68 },
|
|
{ 0x1c, 0x8d68 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
static void
|
|
brgphy_fixup_adc_bug(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ BRGPHY_MII_AUXCTL, 0x0c00 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x201f },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x2aaa },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
static void
|
|
brgphy_fixup_adjust_trim(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ BRGPHY_MII_AUXCTL, 0x0c00 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x000a },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x110b },
|
|
{ BRGPHY_MII_TEST1, 0x0014 },
|
|
{ BRGPHY_MII_AUXCTL, 0x0400 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
static void
|
|
brgphy_fixup_ber_bug(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ BRGPHY_MII_AUXCTL, 0x0c00 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x000a },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x310b },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x201f },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x9506 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x401f },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x14e2 },
|
|
{ BRGPHY_MII_AUXCTL, 0x0400 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
static void
|
|
brgphy_fixup_crc_bug(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x0a75 },
|
|
{ 0x1c, 0x8c68 },
|
|
{ 0x1c, 0x8d68 },
|
|
{ 0x1c, 0x8c68 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
static void
|
|
brgphy_fixup_jitter_bug(struct mii_softc *sc)
|
|
{
|
|
static const struct {
|
|
int reg;
|
|
uint16_t val;
|
|
} dspcode[] = {
|
|
{ BRGPHY_MII_AUXCTL, 0x0c00 },
|
|
{ BRGPHY_MII_DSP_ADDR_REG, 0x000a },
|
|
{ BRGPHY_MII_DSP_RW_PORT, 0x010b },
|
|
{ BRGPHY_MII_AUXCTL, 0x0400 },
|
|
{ 0, 0 },
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; dspcode[i].reg != 0; i++)
|
|
PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
|
|
}
|
|
|
|
|
|
static void
|
|
brgphy_fixup_disable_early_dac(struct mii_softc *sc)
|
|
{
|
|
uint32_t val;
|
|
|
|
PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
|
|
val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
|
|
val &= ~(1 << 8);
|
|
PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
|
|
|
|
}
|
|
|
|
|
|
static void
|
|
brgphy_ethernet_wirespeed(struct mii_softc *sc)
|
|
{
|
|
uint32_t val;
|
|
|
|
/* Enable Ethernet@WireSpeed. */
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
|
|
val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
|
|
}
|
|
|
|
|
|
static void
|
|
brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu)
|
|
{
|
|
struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
|
|
uint32_t val;
|
|
|
|
/* Set or clear jumbo frame settings in the PHY. */
|
|
if (mtu > ETHER_MAX_LEN) {
|
|
if (bsc->mii_model == MII_MODEL_xxBROADCOM_BCM5401) {
|
|
/* BCM5401 PHY cannot read-modify-write. */
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
|
|
} else {
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
|
|
val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
|
|
val | BRGPHY_AUXCTL_LONG_PKT);
|
|
}
|
|
|
|
val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
|
|
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
|
|
val | BRGPHY_PHY_EXTCTL_HIGH_LA);
|
|
} else {
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
|
|
val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
|
|
PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
|
|
val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
|
|
|
|
val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
|
|
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
|
|
val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
|
|
}
|
|
}
|
|
|
|
static void
|
|
brgphy_reset(struct mii_softc *sc)
|
|
{
|
|
struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
|
|
struct bge_softc *bge_sc = NULL;
|
|
struct bce_softc *bce_sc = NULL;
|
|
struct ifnet *ifp;
|
|
|
|
/* Perform a standard PHY reset. */
|
|
mii_phy_reset(sc);
|
|
|
|
/* Handle any PHY specific procedures following the reset. */
|
|
switch (bsc->mii_oui) {
|
|
case MII_OUI_BROADCOM:
|
|
break;
|
|
case MII_OUI_xxBROADCOM:
|
|
switch (bsc->mii_model) {
|
|
case MII_MODEL_xxBROADCOM_BCM5400:
|
|
bcm5401_load_dspcode(sc);
|
|
break;
|
|
case MII_MODEL_xxBROADCOM_BCM5401:
|
|
if (bsc->mii_rev == 1 || bsc->mii_rev == 3)
|
|
bcm5401_load_dspcode(sc);
|
|
break;
|
|
case MII_MODEL_xxBROADCOM_BCM5411:
|
|
bcm5411_load_dspcode(sc);
|
|
break;
|
|
}
|
|
break;
|
|
case MII_OUI_xxBROADCOM_ALT1:
|
|
break;
|
|
}
|
|
|
|
ifp = sc->mii_pdata->mii_ifp;
|
|
|
|
/* Find the driver associated with this PHY. */
|
|
if (strcmp(ifp->if_dname, "bge") == 0) {
|
|
bge_sc = ifp->if_softc;
|
|
} else if (strcmp(ifp->if_dname, "bce") == 0) {
|
|
bce_sc = ifp->if_softc;
|
|
}
|
|
|
|
/* Handle any bge (NetXtreme/NetLink) workarounds. */
|
|
if (bge_sc) {
|
|
/* Fix up various bugs */
|
|
if (bge_sc->bge_flags & BGE_FLAG_5704_A0_BUG)
|
|
brgphy_fixup_5704_a0_bug(sc);
|
|
if (bge_sc->bge_flags & BGE_FLAG_ADC_BUG)
|
|
brgphy_fixup_adc_bug(sc);
|
|
if (bge_sc->bge_flags & BGE_FLAG_ADJUST_TRIM)
|
|
brgphy_fixup_adjust_trim(sc);
|
|
if (bge_sc->bge_flags & BGE_FLAG_BER_BUG)
|
|
brgphy_fixup_ber_bug(sc);
|
|
if (bge_sc->bge_flags & BGE_FLAG_CRC_BUG)
|
|
brgphy_fixup_crc_bug(sc);
|
|
if (bge_sc->bge_flags & BGE_FLAG_JITTER_BUG)
|
|
brgphy_fixup_jitter_bug(sc);
|
|
|
|
brgphy_jumbo_settings(sc, ifp->if_mtu);
|
|
|
|
if (bge_sc->bge_flags & BGE_FLAG_WIRESPEED)
|
|
brgphy_ethernet_wirespeed(sc);
|
|
|
|
/* Enable Link LED on Dell boxes */
|
|
if (bge_sc->bge_flags & BGE_FLAG_NO_3LED) {
|
|
PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
|
|
PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) &
|
|
~BRGPHY_PHY_EXTCTL_3_LED);
|
|
}
|
|
|
|
/* Adjust output voltage (From Linux driver) */
|
|
if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5906)
|
|
PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
|
|
|
|
/* Handle any bce (NetXtreme II) workarounds. */
|
|
} else if (bce_sc) {
|
|
|
|
if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5708 &&
|
|
(bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
|
|
|
|
/* Store autoneg capabilities/results in digital block (Page 0) */
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
|
|
PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
|
|
BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
|
|
|
|
/* Enable fiber mode and autodetection */
|
|
PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
|
|
PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
|
|
BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
|
|
BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
|
|
|
|
/* Enable parallel detection */
|
|
PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
|
|
PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
|
|
BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
|
|
|
|
/* Advertise 2.5G support through next page during autoneg */
|
|
if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
|
|
PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
|
|
PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
|
|
BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
|
|
|
|
/* Increase TX signal amplitude */
|
|
if ((BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_A0) ||
|
|
(BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B0) ||
|
|
(BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B1)) {
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
|
|
BRGPHY_5708S_TX_MISC_PG5);
|
|
PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
|
|
PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) & ~0x30);
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
|
|
BRGPHY_5708S_DIG_PG0);
|
|
}
|
|
|
|
/* Backplanes use special driver/pre-driver/pre-emphasis values. */
|
|
if ((bce_sc->bce_shared_hw_cfg & BCE_SHARED_HW_CFG_PHY_BACKPLANE) &&
|
|
(bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
|
|
BRGPHY_5708S_TX_MISC_PG5);
|
|
PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
|
|
bce_sc->bce_port_hw_cfg &
|
|
BCE_PORT_HW_CFG_CFG_TXCTL3_MASK);
|
|
PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
|
|
BRGPHY_5708S_DIG_PG0);
|
|
}
|
|
} else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709) {
|
|
if ((BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Ax) ||
|
|
(BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Bx))
|
|
brgphy_fixup_disable_early_dac(sc);
|
|
|
|
brgphy_jumbo_settings(sc, ifp->if_mtu);
|
|
brgphy_ethernet_wirespeed(sc);
|
|
} else {
|
|
brgphy_fixup_ber_bug(sc);
|
|
brgphy_jumbo_settings(sc, ifp->if_mtu);
|
|
brgphy_ethernet_wirespeed(sc);
|
|
}
|
|
|
|
}
|
|
}
|
|
|