The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/mii/brgphy.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-4-Clause
    3  *
    4  * Copyright (c) 2000
    5  *      Bill Paul <wpaul@ee.columbia.edu>.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Bill Paul.
   18  * 4. Neither the name of the author nor the names of any co-contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
   26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   32  * THE POSSIBILITY OF SUCH DAMAGE.
   33  */
   34 
   35 #include <sys/cdefs.h>
   36 __FBSDID("$FreeBSD$");
   37 
   38 /*
   39  * Driver for the Broadcom BCM54xx/57xx 1000baseTX PHY.
   40  */
   41 
   42 #include <sys/param.h>
   43 #include <sys/systm.h>
   44 #include <sys/kernel.h>
   45 #include <sys/module.h>
   46 #include <sys/socket.h>
   47 #include <sys/bus.h>
   48 #include <sys/taskqueue.h>
   49 
   50 #include <net/if.h>
   51 #include <net/if_var.h>
   52 #include <net/ethernet.h>
   53 #include <net/if_media.h>
   54 
   55 #include <dev/mii/mii.h>
   56 #include <dev/mii/miivar.h>
   57 #include "miidevs.h"
   58 
   59 #include <dev/mii/brgphyreg.h>
   60 #include <net/if_arp.h>
   61 #include <machine/bus.h>
   62 #include <dev/bge/if_bgereg.h>
   63 #include <dev/bce/if_bcereg.h>
   64 
   65 #include <dev/pci/pcireg.h>
   66 #include <dev/pci/pcivar.h>
   67 
   68 #include "miibus_if.h"
   69 
   70 static int brgphy_probe(device_t);
   71 static int brgphy_attach(device_t);
   72 
   73 struct brgphy_softc {
   74         struct mii_softc mii_sc;
   75         int serdes_flags;       /* Keeps track of the serdes type used */
   76 #define BRGPHY_5706S            0x0001
   77 #define BRGPHY_5708S            0x0002
   78 #define BRGPHY_NOANWAIT         0x0004
   79 #define BRGPHY_5709S            0x0008
   80         int bce_phy_flags;      /* PHY flags transferred from the MAC driver */
   81 };
   82 
   83 static device_method_t brgphy_methods[] = {
   84         /* device interface */
   85         DEVMETHOD(device_probe,         brgphy_probe),
   86         DEVMETHOD(device_attach,        brgphy_attach),
   87         DEVMETHOD(device_detach,        mii_phy_detach),
   88         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
   89         DEVMETHOD_END
   90 };
   91 
   92 static driver_t brgphy_driver = {
   93         "brgphy",
   94         brgphy_methods,
   95         sizeof(struct brgphy_softc)
   96 };
   97 
   98 DRIVER_MODULE(brgphy, miibus, brgphy_driver, 0, 0);
   99 
  100 static int      brgphy_service(struct mii_softc *, struct mii_data *, int);
  101 static void     brgphy_setmedia(struct mii_softc *, int);
  102 static void     brgphy_status(struct mii_softc *);
  103 static void     brgphy_mii_phy_auto(struct mii_softc *, int);
  104 static void     brgphy_reset(struct mii_softc *);
  105 static void     brgphy_enable_loopback(struct mii_softc *);
  106 static void     bcm5401_load_dspcode(struct mii_softc *);
  107 static void     bcm5411_load_dspcode(struct mii_softc *);
  108 static void     bcm54k2_load_dspcode(struct mii_softc *);
  109 static void     brgphy_fixup_5704_a0_bug(struct mii_softc *);
  110 static void     brgphy_fixup_adc_bug(struct mii_softc *);
  111 static void     brgphy_fixup_adjust_trim(struct mii_softc *);
  112 static void     brgphy_fixup_ber_bug(struct mii_softc *);
  113 static void     brgphy_fixup_crc_bug(struct mii_softc *);
  114 static void     brgphy_fixup_jitter_bug(struct mii_softc *);
  115 static void     brgphy_ethernet_wirespeed(struct mii_softc *);
  116 static void     brgphy_bcm54xx_clock_delay(struct mii_softc *);
  117 static void     brgphy_jumbo_settings(struct mii_softc *, u_long);
  118 
  119 static const struct mii_phydesc brgphys[] = {
  120         MII_PHY_DESC(BROADCOM, BCM5400),
  121         MII_PHY_DESC(BROADCOM, BCM5401),
  122         MII_PHY_DESC(BROADCOM, BCM5402),
  123         MII_PHY_DESC(BROADCOM, BCM5411),
  124         MII_PHY_DESC(BROADCOM, BCM5404),
  125         MII_PHY_DESC(BROADCOM, BCM5424),
  126         MII_PHY_DESC(BROADCOM, BCM54K2),
  127         MII_PHY_DESC(BROADCOM, BCM5701),
  128         MII_PHY_DESC(BROADCOM, BCM5703),
  129         MII_PHY_DESC(BROADCOM, BCM5704),
  130         MII_PHY_DESC(BROADCOM, BCM5705),
  131         MII_PHY_DESC(BROADCOM, BCM5706),
  132         MII_PHY_DESC(BROADCOM, BCM5714),
  133         MII_PHY_DESC(BROADCOM, BCM5421),
  134         MII_PHY_DESC(BROADCOM, BCM5750),
  135         MII_PHY_DESC(BROADCOM, BCM5752),
  136         MII_PHY_DESC(BROADCOM, BCM5780),
  137         MII_PHY_DESC(BROADCOM, BCM5708C),
  138         MII_PHY_DESC(BROADCOM, BCM5466),
  139         MII_PHY_DESC(BROADCOM2, BCM5478),
  140         MII_PHY_DESC(BROADCOM2, BCM5488),
  141         MII_PHY_DESC(BROADCOM2, BCM5482),
  142         MII_PHY_DESC(BROADCOM2, BCM5708S),
  143         MII_PHY_DESC(BROADCOM2, BCM5709C),
  144         MII_PHY_DESC(BROADCOM2, BCM5709S),
  145         MII_PHY_DESC(BROADCOM2, BCM5709CAX),
  146         MII_PHY_DESC(BROADCOM2, BCM5722),
  147         MII_PHY_DESC(BROADCOM2, BCM5755),
  148         MII_PHY_DESC(BROADCOM2, BCM5754),
  149         MII_PHY_DESC(BROADCOM2, BCM5761),
  150         MII_PHY_DESC(BROADCOM2, BCM5784),
  151 #ifdef notyet   /* better handled by ukphy(4) until WARs are implemented */
  152         MII_PHY_DESC(BROADCOM2, BCM5785),
  153 #endif
  154         MII_PHY_DESC(BROADCOM3, BCM54618SE),
  155         MII_PHY_DESC(BROADCOM3, BCM5717C),
  156         MII_PHY_DESC(BROADCOM3, BCM5719C),
  157         MII_PHY_DESC(BROADCOM3, BCM5720C),
  158         MII_PHY_DESC(BROADCOM3, BCM57765),
  159         MII_PHY_DESC(BROADCOM3, BCM57780),
  160         MII_PHY_DESC(BROADCOM4, BCM54213PE),
  161         MII_PHY_DESC(BROADCOM4, BCM5725C),
  162         MII_PHY_DESC(xxBROADCOM_ALT1, BCM5906),
  163         MII_PHY_END
  164 };
  165 
  166 static const struct mii_phy_funcs brgphy_funcs = {
  167         brgphy_service,
  168         brgphy_status,
  169         brgphy_reset
  170 };
  171 
  172 static const struct hs21_type {
  173         const uint32_t id;
  174         const char *prod;
  175 } hs21_type_lists[] = {
  176         { 0x57081021, "IBM eServer BladeCenter HS21" },
  177         { 0x57081011, "IBM eServer BladeCenter HS21 -[8853PAU]-" },
  178 };
  179 
  180 static int
  181 detect_hs21(struct bce_softc *bce_sc)
  182 {
  183         char *sysenv;
  184         int found, i;
  185 
  186         found = 0;
  187         sysenv = kern_getenv("smbios.system.product");
  188         if (sysenv == NULL)
  189                 return (found);
  190         for (i = 0; i < nitems(hs21_type_lists); i++) {
  191                 if (bce_sc->bce_chipid == hs21_type_lists[i].id &&
  192                     strncmp(sysenv, hs21_type_lists[i].prod,
  193                     strlen(hs21_type_lists[i].prod)) == 0) {
  194                         found++;
  195                         break;
  196                 }
  197         }
  198         freeenv(sysenv);
  199         return (found);
  200 }
  201 
  202 /* Search for our PHY in the list of known PHYs */
  203 static int
  204 brgphy_probe(device_t dev)
  205 {
  206 
  207         return (mii_phy_dev_probe(dev, brgphys, BUS_PROBE_DEFAULT));
  208 }
  209 
  210 /* Attach the PHY to the MII bus */
  211 static int
  212 brgphy_attach(device_t dev)
  213 {
  214         struct brgphy_softc *bsc;
  215         struct bge_softc *bge_sc = NULL;
  216         struct bce_softc *bce_sc = NULL;
  217         struct mii_softc *sc;
  218 
  219         bsc = device_get_softc(dev);
  220         sc = &bsc->mii_sc;
  221 
  222         mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE,
  223             &brgphy_funcs, 0);
  224 
  225         bsc->serdes_flags = 0;
  226 
  227         /* Find the MAC driver associated with this PHY. */
  228         if (mii_dev_mac_match(dev, "bge"))
  229                 bge_sc = mii_dev_mac_softc(dev);
  230         else if (mii_dev_mac_match(dev, "bce"))
  231                 bce_sc = mii_dev_mac_softc(dev);
  232 
  233         /* Handle any special cases based on the PHY ID */
  234         switch (sc->mii_mpd_oui) {
  235         case MII_OUI_BROADCOM:
  236                 switch (sc->mii_mpd_model) {
  237                 case MII_MODEL_BROADCOM_BCM5706:
  238                 case MII_MODEL_BROADCOM_BCM5714:
  239                         /*
  240                          * The 5464 PHY used in the 5706 supports both copper
  241                          * and fiber interfaces over GMII.  Need to check the
  242                          * shadow registers to see which mode is actually
  243                          * in effect, and therefore whether we have 5706C or
  244                          * 5706S.
  245                          */
  246                         PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C,
  247                                 BRGPHY_SHADOW_1C_MODE_CTRL);
  248                         if (PHY_READ(sc, BRGPHY_MII_SHADOW_1C) &
  249                                 BRGPHY_SHADOW_1C_ENA_1000X) {
  250                                 bsc->serdes_flags |= BRGPHY_5706S;
  251                                 sc->mii_flags |= MIIF_HAVEFIBER;
  252                         }
  253                         break;
  254                 }
  255                 break;
  256         case MII_OUI_BROADCOM2:
  257                 switch (sc->mii_mpd_model) {
  258                 case MII_MODEL_BROADCOM2_BCM5708S:
  259                         bsc->serdes_flags |= BRGPHY_5708S;
  260                         sc->mii_flags |= MIIF_HAVEFIBER;
  261                         break;
  262                 case MII_MODEL_BROADCOM2_BCM5709S:
  263                         /*
  264                          * XXX
  265                          * 5720S and 5709S shares the same PHY id.
  266                          * Assume 5720S PHY if parent device is bge(4).
  267                          */
  268                         if (bge_sc != NULL)
  269                                 bsc->serdes_flags |= BRGPHY_5708S;
  270                         else
  271                                 bsc->serdes_flags |= BRGPHY_5709S;
  272                         sc->mii_flags |= MIIF_HAVEFIBER;
  273                         break;
  274                 }
  275                 break;
  276         }
  277 
  278         PHY_RESET(sc);
  279 
  280         /* Read the PHY's capabilities. */
  281         sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
  282         if (sc->mii_capabilities & BMSR_EXTSTAT)
  283                 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
  284         device_printf(dev, " ");
  285 
  286         /* Add the supported media types */
  287         if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
  288                 mii_phy_add_media(sc);
  289                 printf("\n");
  290         } else {
  291                 sc->mii_anegticks = MII_ANEGTICKS_GIGE;
  292                 ifmedia_add(&sc->mii_pdata->mii_media,
  293                     IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst),
  294                     0, NULL);
  295                 printf("1000baseSX-FDX, ");
  296                 /*
  297                  * 2.5G support is a software enabled feature
  298                  * on the 5708S and 5709S.
  299                  */
  300                 if (bce_sc && (bce_sc->bce_phy_flags &
  301                     BCE_PHY_2_5G_CAPABLE_FLAG)) {
  302                         ifmedia_add(&sc->mii_pdata->mii_media,
  303                             IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX,
  304                             sc->mii_inst), 0, NULL);
  305                         printf("2500baseSX-FDX, ");
  306                 } else if ((bsc->serdes_flags & BRGPHY_5708S) && bce_sc &&
  307                     (detect_hs21(bce_sc) != 0)) {
  308                         /*
  309                          * There appears to be certain silicon revision
  310                          * in IBM HS21 blades that is having issues with
  311                          * this driver wating for the auto-negotiation to
  312                          * complete. This happens with a specific chip id
  313                          * only and when the 1000baseSX-FDX is the only
  314                          * mode. Workaround this issue since it's unlikely
  315                          * to be ever addressed.
  316                          */
  317                         printf("auto-neg workaround, ");
  318                         bsc->serdes_flags |= BRGPHY_NOANWAIT;
  319                 }
  320                 ifmedia_add(&sc->mii_pdata->mii_media, IFM_MAKEWORD(IFM_ETHER,
  321                     IFM_AUTO, 0, sc->mii_inst), 0, NULL);
  322                 printf("auto\n");
  323         }
  324 
  325         MIIBUS_MEDIAINIT(sc->mii_dev);
  326         return (0);
  327 }
  328 
  329 static int
  330 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
  331 {
  332         struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
  333         int val;
  334 
  335         switch (cmd) {
  336         case MII_POLLSTAT:
  337                 break;
  338         case MII_MEDIACHG:
  339                 /* Todo: Why is this here?  Is it really needed? */
  340                 PHY_RESET(sc);  /* XXX hardware bug work-around */
  341 
  342                 switch (IFM_SUBTYPE(ife->ifm_media)) {
  343                 case IFM_AUTO:
  344                         brgphy_mii_phy_auto(sc, ife->ifm_media);
  345                         break;
  346                 case IFM_2500_SX:
  347                 case IFM_1000_SX:
  348                 case IFM_1000_T:
  349                 case IFM_100_TX:
  350                 case IFM_10_T:
  351                         brgphy_setmedia(sc, ife->ifm_media);
  352                         break;
  353                 default:
  354                         return (EINVAL);
  355                 }
  356                 break;
  357         case MII_TICK:
  358                 /* Bail if autoneg isn't in process. */
  359                 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
  360                         sc->mii_ticks = 0;
  361                         break;
  362                 }
  363 
  364                 /*
  365                  * Check to see if we have link.  If we do, we don't
  366                  * need to restart the autonegotiation process.
  367                  */
  368                 val = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
  369                 if (val & BMSR_LINK) {
  370                         sc->mii_ticks = 0;      /* Reset autoneg timer. */
  371                         break;
  372                 }
  373 
  374                 /* Announce link loss right after it happens. */
  375                 if (sc->mii_ticks++ == 0)
  376                         break;
  377 
  378                 /* Only retry autonegotiation every mii_anegticks seconds. */
  379                 if (sc->mii_ticks <= sc->mii_anegticks)
  380                         break;
  381 
  382                 /* Retry autonegotiation */
  383                 sc->mii_ticks = 0;
  384                 brgphy_mii_phy_auto(sc, ife->ifm_media);
  385                 break;
  386         }
  387 
  388         /* Update the media status. */
  389         PHY_STATUS(sc);
  390 
  391         /*
  392          * Callback if something changed. Note that we need to poke
  393          * the DSP on the Broadcom PHYs if the media changes.
  394          */
  395         if (sc->mii_media_active != mii->mii_media_active ||
  396             sc->mii_media_status != mii->mii_media_status ||
  397             cmd == MII_MEDIACHG) {
  398                 switch (sc->mii_mpd_oui) {
  399                 case MII_OUI_BROADCOM:
  400                         switch (sc->mii_mpd_model) {
  401                         case MII_MODEL_BROADCOM_BCM5400:
  402                                 bcm5401_load_dspcode(sc);
  403                                 break;
  404                         case MII_MODEL_BROADCOM_BCM5401:
  405                                 if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
  406                                         bcm5401_load_dspcode(sc);
  407                                 break;
  408                         case MII_MODEL_BROADCOM_BCM5411:
  409                                 bcm5411_load_dspcode(sc);
  410                                 break;
  411                         case MII_MODEL_BROADCOM_BCM54K2:
  412                                 bcm54k2_load_dspcode(sc);
  413                                 break;
  414                         }
  415                         break;
  416                 case MII_OUI_BROADCOM4:
  417                         switch (sc->mii_mpd_model) {
  418                         case MII_MODEL_BROADCOM4_BCM54213PE:
  419                                 brgphy_bcm54xx_clock_delay(sc);
  420                                 break;
  421                         }
  422                 }
  423         }
  424         mii_phy_update(sc, cmd);
  425         return (0);
  426 }
  427 
  428 /****************************************************************************/
  429 /* Sets the PHY link speed.                                                 */
  430 /*                                                                          */
  431 /* Returns:                                                                 */
  432 /*   None                                                                   */
  433 /****************************************************************************/
  434 static void
  435 brgphy_setmedia(struct mii_softc *sc, int media)
  436 {
  437         int bmcr = 0, gig;
  438 
  439         switch (IFM_SUBTYPE(media)) {
  440         case IFM_2500_SX:
  441                 break;
  442         case IFM_1000_SX:
  443         case IFM_1000_T:
  444                 bmcr = BRGPHY_S1000;
  445                 break;
  446         case IFM_100_TX:
  447                 bmcr = BRGPHY_S100;
  448                 break;
  449         case IFM_10_T:
  450         default:
  451                 bmcr = BRGPHY_S10;
  452                 break;
  453         }
  454 
  455         if ((media & IFM_FDX) != 0) {
  456                 bmcr |= BRGPHY_BMCR_FDX;
  457                 gig = BRGPHY_1000CTL_AFD;
  458         } else {
  459                 gig = BRGPHY_1000CTL_AHD;
  460         }
  461 
  462         /* Force loopback to disconnect PHY from Ethernet medium. */
  463         brgphy_enable_loopback(sc);
  464 
  465         PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
  466         PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
  467 
  468         if (IFM_SUBTYPE(media) != IFM_1000_T &&
  469             IFM_SUBTYPE(media) != IFM_1000_SX) {
  470                 PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr);
  471                 return;
  472         }
  473 
  474         if (IFM_SUBTYPE(media) == IFM_1000_T) {
  475                 gig |= BRGPHY_1000CTL_MSE;
  476                 if ((media & IFM_ETH_MASTER) != 0)
  477                         gig |= BRGPHY_1000CTL_MSC;
  478         }
  479         PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
  480         PHY_WRITE(sc, BRGPHY_MII_BMCR,
  481             bmcr | BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
  482 }
  483 
  484 /****************************************************************************/
  485 /* Set the media status based on the PHY settings.                          */
  486 /*                                                                          */
  487 /* Returns:                                                                 */
  488 /*   None                                                                   */
  489 /****************************************************************************/
  490 static void
  491 brgphy_status(struct mii_softc *sc)
  492 {
  493         struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
  494         struct mii_data *mii = sc->mii_pdata;
  495         int aux, bmcr, bmsr, val, xstat;
  496         u_int flowstat;
  497 
  498         mii->mii_media_status = IFM_AVALID;
  499         mii->mii_media_active = IFM_ETHER;
  500 
  501         bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
  502         bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
  503 
  504         if (bmcr & BRGPHY_BMCR_LOOP) {
  505                 mii->mii_media_active |= IFM_LOOP;
  506         }
  507 
  508         if ((bmcr & BRGPHY_BMCR_AUTOEN) &&
  509             (bmsr & BRGPHY_BMSR_ACOMP) == 0 &&
  510             (bsc->serdes_flags & BRGPHY_NOANWAIT) == 0) {
  511                 /* Erg, still trying, I guess... */
  512                 mii->mii_media_active |= IFM_NONE;
  513                 return;
  514         }
  515 
  516         if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
  517                 /*
  518                  * NB: reading the ANAR, ANLPAR or 1000STS after the AUXSTS
  519                  * wedges at least the PHY of BCM5704 (but not others).
  520                  */
  521                 flowstat = mii_phy_flowstatus(sc);
  522                 xstat = PHY_READ(sc, BRGPHY_MII_1000STS);
  523                 aux = PHY_READ(sc, BRGPHY_MII_AUXSTS);
  524 
  525                 /* If copper link is up, get the negotiated speed/duplex. */
  526                 if (aux & BRGPHY_AUXSTS_LINK) {
  527                         mii->mii_media_status |= IFM_ACTIVE;
  528                         switch (aux & BRGPHY_AUXSTS_AN_RES) {
  529                         case BRGPHY_RES_1000FD:
  530                                 mii->mii_media_active |= IFM_1000_T | IFM_FDX;  break;
  531                         case BRGPHY_RES_1000HD:
  532                                 mii->mii_media_active |= IFM_1000_T | IFM_HDX;  break;
  533                         case BRGPHY_RES_100FD:
  534                                 mii->mii_media_active |= IFM_100_TX | IFM_FDX; break;
  535                         case BRGPHY_RES_100T4:
  536                                 mii->mii_media_active |= IFM_100_T4; break;
  537                         case BRGPHY_RES_100HD:
  538                                 mii->mii_media_active |= IFM_100_TX | IFM_HDX;  break;
  539                         case BRGPHY_RES_10FD:
  540                                 mii->mii_media_active |= IFM_10_T | IFM_FDX; break;
  541                         case BRGPHY_RES_10HD:
  542                                 mii->mii_media_active |= IFM_10_T | IFM_HDX; break;
  543                         default:
  544                                 mii->mii_media_active |= IFM_NONE; break;
  545                         }
  546 
  547                         if ((mii->mii_media_active & IFM_FDX) != 0)
  548                                 mii->mii_media_active |= flowstat;
  549 
  550                         if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T &&
  551                             (xstat & BRGPHY_1000STS_MSR) != 0)
  552                                 mii->mii_media_active |= IFM_ETH_MASTER;
  553                 }
  554         } else {
  555                 /* Todo: Add support for flow control. */
  556                 /* If serdes link is up, get the negotiated speed/duplex. */
  557                 if (bmsr & BRGPHY_BMSR_LINK) {
  558                         mii->mii_media_status |= IFM_ACTIVE;
  559                 }
  560 
  561                 /* Check the link speed/duplex based on the PHY type. */
  562                 if (bsc->serdes_flags & BRGPHY_5706S) {
  563                         mii->mii_media_active |= IFM_1000_SX;
  564 
  565                         /* If autoneg enabled, read negotiated duplex settings */
  566                         if (bmcr & BRGPHY_BMCR_AUTOEN) {
  567                                 val = PHY_READ(sc, BRGPHY_SERDES_ANAR) & PHY_READ(sc, BRGPHY_SERDES_ANLPAR);
  568                                 if (val & BRGPHY_SERDES_ANAR_FDX)
  569                                         mii->mii_media_active |= IFM_FDX;
  570                                 else
  571                                         mii->mii_media_active |= IFM_HDX;
  572                         }
  573                 } else if (bsc->serdes_flags & BRGPHY_5708S) {
  574                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
  575                         xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
  576 
  577                         /* Check for MRBE auto-negotiated speed results. */
  578                         switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
  579                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
  580                                 mii->mii_media_active |= IFM_10_FL; break;
  581                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
  582                                 mii->mii_media_active |= IFM_100_FX; break;
  583                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
  584                                 mii->mii_media_active |= IFM_1000_SX; break;
  585                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
  586                                 mii->mii_media_active |= IFM_2500_SX; break;
  587                         }
  588 
  589                         /* Check for MRBE auto-negotiated duplex results. */
  590                         if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
  591                                 mii->mii_media_active |= IFM_FDX;
  592                         else
  593                                 mii->mii_media_active |= IFM_HDX;
  594                 } else if (bsc->serdes_flags & BRGPHY_5709S) {
  595                         /* Select GP Status Block of the AN MMD, get autoneg results. */
  596                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_GP_STATUS);
  597                         xstat = PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS);
  598 
  599                         /* Restore IEEE0 block (assumed in all brgphy(4) code). */
  600                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
  601 
  602                         /* Check for MRBE auto-negotiated speed results. */
  603                         switch (xstat & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) {
  604                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10:
  605                                         mii->mii_media_active |= IFM_10_FL; break;
  606                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100:
  607                                         mii->mii_media_active |= IFM_100_FX; break;
  608                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G:
  609                                         mii->mii_media_active |= IFM_1000_SX; break;
  610                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G:
  611                                         mii->mii_media_active |= IFM_2500_SX; break;
  612                         }
  613 
  614                         /* Check for MRBE auto-negotiated duplex results. */
  615                         if (xstat & BRGPHY_GP_STATUS_TOP_ANEG_FDX)
  616                                 mii->mii_media_active |= IFM_FDX;
  617                         else
  618                                 mii->mii_media_active |= IFM_HDX;
  619                 }
  620         }
  621 }
  622 
  623 static void
  624 brgphy_mii_phy_auto(struct mii_softc *sc, int media)
  625 {
  626         int anar, ktcr = 0;
  627 
  628         PHY_RESET(sc);
  629 
  630         if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
  631                 anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
  632                 if ((media & IFM_FLOW) != 0 ||
  633                     (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
  634                         anar |= BRGPHY_ANAR_PC | BRGPHY_ANAR_ASP;
  635                 PHY_WRITE(sc, BRGPHY_MII_ANAR, anar);
  636                 ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD;
  637                 if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)
  638                         ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC;
  639                 PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr);
  640                 PHY_READ(sc, BRGPHY_MII_1000CTL);
  641         } else {
  642                 anar = BRGPHY_SERDES_ANAR_FDX | BRGPHY_SERDES_ANAR_HDX;
  643                 if ((media & IFM_FLOW) != 0 ||
  644                     (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
  645                         anar |= BRGPHY_SERDES_ANAR_BOTH_PAUSE;
  646                 PHY_WRITE(sc, BRGPHY_SERDES_ANAR, anar);
  647         }
  648 
  649         PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_AUTOEN |
  650             BRGPHY_BMCR_STARTNEG);
  651         PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
  652 }
  653 
  654 /* Enable loopback to force the link down. */
  655 static void
  656 brgphy_enable_loopback(struct mii_softc *sc)
  657 {
  658         int i;
  659 
  660         PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
  661         for (i = 0; i < 15000; i++) {
  662                 if (!(PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_LINK))
  663                         break;
  664                 DELAY(10);
  665         }
  666 }
  667 
  668 /* Turn off tap power management on 5401. */
  669 static void
  670 bcm5401_load_dspcode(struct mii_softc *sc)
  671 {
  672         static const struct {
  673                 int             reg;
  674                 uint16_t        val;
  675         } dspcode[] = {
  676                 { BRGPHY_MII_AUXCTL,            0x0c20 },
  677                 { BRGPHY_MII_DSP_ADDR_REG,      0x0012 },
  678                 { BRGPHY_MII_DSP_RW_PORT,       0x1804 },
  679                 { BRGPHY_MII_DSP_ADDR_REG,      0x0013 },
  680                 { BRGPHY_MII_DSP_RW_PORT,       0x1204 },
  681                 { BRGPHY_MII_DSP_ADDR_REG,      0x8006 },
  682                 { BRGPHY_MII_DSP_RW_PORT,       0x0132 },
  683                 { BRGPHY_MII_DSP_ADDR_REG,      0x8006 },
  684                 { BRGPHY_MII_DSP_RW_PORT,       0x0232 },
  685                 { BRGPHY_MII_DSP_ADDR_REG,      0x201f },
  686                 { BRGPHY_MII_DSP_RW_PORT,       0x0a20 },
  687                 { 0,                            0 },
  688         };
  689         int i;
  690 
  691         for (i = 0; dspcode[i].reg != 0; i++)
  692                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  693         DELAY(40);
  694 }
  695 
  696 static void
  697 bcm5411_load_dspcode(struct mii_softc *sc)
  698 {
  699         static const struct {
  700                 int             reg;
  701                 uint16_t        val;
  702         } dspcode[] = {
  703                 { 0x1c,                         0x8c23 },
  704                 { 0x1c,                         0x8ca3 },
  705                 { 0x1c,                         0x8c23 },
  706                 { 0,                            0 },
  707         };
  708         int i;
  709 
  710         for (i = 0; dspcode[i].reg != 0; i++)
  711                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  712 }
  713 
  714 void
  715 bcm54k2_load_dspcode(struct mii_softc *sc)
  716 {
  717         static const struct {
  718                 int             reg;
  719                 uint16_t        val;
  720         } dspcode[] = {
  721                 { 4,                            0x01e1 },
  722                 { 9,                            0x0300 },
  723                 { 0,                            0 },
  724         };
  725         int i;
  726 
  727         for (i = 0; dspcode[i].reg != 0; i++)
  728                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  729 
  730 }
  731 
  732 static void
  733 brgphy_fixup_5704_a0_bug(struct mii_softc *sc)
  734 {
  735         static const struct {
  736                 int             reg;
  737                 uint16_t        val;
  738         } dspcode[] = {
  739                 { 0x1c,                         0x8d68 },
  740                 { 0x1c,                         0x8d68 },
  741                 { 0,                            0 },
  742         };
  743         int i;
  744 
  745         for (i = 0; dspcode[i].reg != 0; i++)
  746                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  747 }
  748 
  749 static void
  750 brgphy_fixup_adc_bug(struct mii_softc *sc)
  751 {
  752         static const struct {
  753                 int             reg;
  754                 uint16_t        val;
  755         } dspcode[] = {
  756                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  757                 { BRGPHY_MII_DSP_ADDR_REG,      0x201f },
  758                 { BRGPHY_MII_DSP_RW_PORT,       0x2aaa },
  759                 { 0,                            0 },
  760         };
  761         int i;
  762 
  763         for (i = 0; dspcode[i].reg != 0; i++)
  764                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  765 }
  766 
  767 static void
  768 brgphy_fixup_adjust_trim(struct mii_softc *sc)
  769 {
  770         static const struct {
  771                 int             reg;
  772                 uint16_t        val;
  773         } dspcode[] = {
  774                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  775                 { BRGPHY_MII_DSP_ADDR_REG,      0x000a },
  776                 { BRGPHY_MII_DSP_RW_PORT,       0x110b },
  777                 { BRGPHY_MII_TEST1,                     0x0014 },
  778                 { BRGPHY_MII_AUXCTL,            0x0400 },
  779                 { 0,                            0 },
  780         };
  781         int i;
  782 
  783         for (i = 0; dspcode[i].reg != 0; i++)
  784                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  785 }
  786 
  787 static void
  788 brgphy_fixup_ber_bug(struct mii_softc *sc)
  789 {
  790         static const struct {
  791                 int             reg;
  792                 uint16_t        val;
  793         } dspcode[] = {
  794                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  795                 { BRGPHY_MII_DSP_ADDR_REG,      0x000a },
  796                 { BRGPHY_MII_DSP_RW_PORT,       0x310b },
  797                 { BRGPHY_MII_DSP_ADDR_REG,      0x201f },
  798                 { BRGPHY_MII_DSP_RW_PORT,       0x9506 },
  799                 { BRGPHY_MII_DSP_ADDR_REG,      0x401f },
  800                 { BRGPHY_MII_DSP_RW_PORT,       0x14e2 },
  801                 { BRGPHY_MII_AUXCTL,            0x0400 },
  802                 { 0,                            0 },
  803         };
  804         int i;
  805 
  806         for (i = 0; dspcode[i].reg != 0; i++)
  807                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  808 }
  809 
  810 static void
  811 brgphy_fixup_crc_bug(struct mii_softc *sc)
  812 {
  813         static const struct {
  814                 int             reg;
  815                 uint16_t        val;
  816         } dspcode[] = {
  817                 { BRGPHY_MII_DSP_RW_PORT,       0x0a75 },
  818                 { 0x1c,                         0x8c68 },
  819                 { 0x1c,                         0x8d68 },
  820                 { 0x1c,                         0x8c68 },
  821                 { 0,                            0 },
  822         };
  823         int i;
  824 
  825         for (i = 0; dspcode[i].reg != 0; i++)
  826                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  827 }
  828 
  829 static void
  830 brgphy_fixup_jitter_bug(struct mii_softc *sc)
  831 {
  832         static const struct {
  833                 int             reg;
  834                 uint16_t        val;
  835         } dspcode[] = {
  836                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  837                 { BRGPHY_MII_DSP_ADDR_REG,      0x000a },
  838                 { BRGPHY_MII_DSP_RW_PORT,       0x010b },
  839                 { BRGPHY_MII_AUXCTL,            0x0400 },
  840                 { 0,                            0 },
  841         };
  842         int i;
  843 
  844         for (i = 0; dspcode[i].reg != 0; i++)
  845                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  846 }
  847 
  848 static void
  849 brgphy_fixup_disable_early_dac(struct mii_softc *sc)
  850 {
  851         uint32_t val;
  852 
  853         PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
  854         val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
  855         val &= ~(1 << 8);
  856         PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
  857 
  858 }
  859 
  860 static void
  861 brgphy_ethernet_wirespeed(struct mii_softc *sc)
  862 {
  863         uint32_t        val;
  864 
  865         /* Enable Ethernet@WireSpeed. */
  866         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
  867         val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  868         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
  869 }
  870 
  871 static void
  872 brgphy_bcm54xx_clock_delay(struct mii_softc *sc)
  873 {
  874         uint16_t val;
  875 
  876         if (!(sc->mii_flags & (MIIF_RX_DELAY | MIIF_TX_DELAY)))
  877                 /* Adjusting the clocks in rgmii mode causes packet losses. */
  878                 return;
  879 
  880         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, BRGPHY_AUXCTL_SHADOW_MISC |
  881             BRGPHY_AUXCTL_SHADOW_MISC << BRGPHY_AUXCTL_MISC_READ_SHIFT);
  882         val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  883         val &= BRGPHY_AUXCTL_MISC_DATA_MASK;
  884         if (sc->mii_flags & MIIF_RX_DELAY)
  885                 val |= BRGPHY_AUXCTL_MISC_RGMII_SKEW_EN;
  886         else
  887                 val &= ~BRGPHY_AUXCTL_MISC_RGMII_SKEW_EN;
  888         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, BRGPHY_AUXCTL_MISC_WRITE_EN |
  889             BRGPHY_AUXCTL_SHADOW_MISC | val);
  890 
  891         PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_CLK_CTRL);
  892         val = PHY_READ(sc, BRGPHY_MII_SHADOW_1C);
  893         val &= BRGPHY_SHADOW_1C_DATA_MASK;
  894         if (sc->mii_flags & MIIF_TX_DELAY)
  895                 val |= BRGPHY_SHADOW_1C_GTXCLK_EN;
  896         else
  897                 val &= ~BRGPHY_SHADOW_1C_GTXCLK_EN;
  898         PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C, BRGPHY_SHADOW_1C_WRITE_EN |
  899             BRGPHY_SHADOW_1C_CLK_CTRL | val);
  900 }
  901 
  902 static void
  903 brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu)
  904 {
  905         uint32_t        val;
  906 
  907         /* Set or clear jumbo frame settings in the PHY. */
  908         if (mtu > ETHER_MAX_LEN) {
  909                 if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401) {
  910                         /* BCM5401 PHY cannot read-modify-write. */
  911                         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
  912                 } else {
  913                         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
  914                         val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  915                         PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
  916                             val | BRGPHY_AUXCTL_LONG_PKT);
  917                 }
  918 
  919                 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
  920                 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
  921                     val | BRGPHY_PHY_EXTCTL_HIGH_LA);
  922         } else {
  923                 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
  924                 val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  925                 PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
  926                     val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
  927 
  928                 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
  929                 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
  930                         val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
  931         }
  932 }
  933 
  934 static void
  935 brgphy_reset(struct mii_softc *sc)
  936 {
  937         struct bge_softc *bge_sc = NULL;
  938         struct bce_softc *bce_sc = NULL;
  939         if_t ifp;
  940         int i, val;
  941 
  942         /*
  943          * Perform a reset.  Note that at least some Broadcom PHYs default to
  944          * being powered down as well as isolated after a reset but don't work
  945          * if one or both of these bits are cleared.  However, they just work
  946          * fine if both bits remain set, so we don't use mii_phy_reset() here.
  947          */
  948         PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_RESET);
  949 
  950         /* Wait 100ms for it to complete. */
  951         for (i = 0; i < 100; i++) {
  952                 if ((PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_RESET) == 0)
  953                         break;
  954                 DELAY(1000);
  955         }
  956 
  957         /* Handle any PHY specific procedures following the reset. */
  958         switch (sc->mii_mpd_oui) {
  959         case MII_OUI_BROADCOM:
  960                 switch (sc->mii_mpd_model) {
  961                 case MII_MODEL_BROADCOM_BCM5400:
  962                         bcm5401_load_dspcode(sc);
  963                         break;
  964                 case MII_MODEL_BROADCOM_BCM5401:
  965                         if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
  966                                 bcm5401_load_dspcode(sc);
  967                         break;
  968                 case MII_MODEL_BROADCOM_BCM5411:
  969                         bcm5411_load_dspcode(sc);
  970                         break;
  971                 case MII_MODEL_BROADCOM_BCM54K2:
  972                         bcm54k2_load_dspcode(sc);
  973                         break;
  974                 }
  975                 break;
  976         case MII_OUI_BROADCOM3:
  977                 switch (sc->mii_mpd_model) {
  978                 case MII_MODEL_BROADCOM3_BCM5717C:
  979                 case MII_MODEL_BROADCOM3_BCM5719C:
  980                 case MII_MODEL_BROADCOM3_BCM5720C:
  981                 case MII_MODEL_BROADCOM3_BCM57765:
  982                         return;
  983                 }
  984                 break;
  985         case MII_OUI_BROADCOM4:
  986                 return;
  987         }
  988 
  989         ifp = sc->mii_pdata->mii_ifp;
  990 
  991         /* Find the driver associated with this PHY. */
  992         if (mii_phy_mac_match(sc, "bge"))
  993                 bge_sc = mii_phy_mac_softc(sc);
  994         else if (mii_phy_mac_match(sc, "bce"))
  995                 bce_sc = mii_phy_mac_softc(sc);
  996 
  997         if (bge_sc) {
  998                 /* Fix up various bugs */
  999                 if (bge_sc->bge_phy_flags & BGE_PHY_5704_A0_BUG)
 1000                         brgphy_fixup_5704_a0_bug(sc);
 1001                 if (bge_sc->bge_phy_flags & BGE_PHY_ADC_BUG)
 1002                         brgphy_fixup_adc_bug(sc);
 1003                 if (bge_sc->bge_phy_flags & BGE_PHY_ADJUST_TRIM)
 1004                         brgphy_fixup_adjust_trim(sc);
 1005                 if (bge_sc->bge_phy_flags & BGE_PHY_BER_BUG)
 1006                         brgphy_fixup_ber_bug(sc);
 1007                 if (bge_sc->bge_phy_flags & BGE_PHY_CRC_BUG)
 1008                         brgphy_fixup_crc_bug(sc);
 1009                 if (bge_sc->bge_phy_flags & BGE_PHY_JITTER_BUG)
 1010                         brgphy_fixup_jitter_bug(sc);
 1011 
 1012                 if (bge_sc->bge_flags & BGE_FLAG_JUMBO)
 1013                         brgphy_jumbo_settings(sc, if_getmtu(ifp));
 1014 
 1015                 if ((bge_sc->bge_phy_flags & BGE_PHY_NO_WIRESPEED) == 0)
 1016                         brgphy_ethernet_wirespeed(sc);
 1017 
 1018                 /* Enable Link LED on Dell boxes */
 1019                 if (bge_sc->bge_phy_flags & BGE_PHY_NO_3LED) {
 1020                         PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
 1021                             PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) &
 1022                             ~BRGPHY_PHY_EXTCTL_3_LED);
 1023                 }
 1024 
 1025                 /* Adjust output voltage (From Linux driver) */
 1026                 if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5906)
 1027                         PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
 1028         } else if (bce_sc) {
 1029                 if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5708 &&
 1030                         (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
 1031                         /* Store autoneg capabilities/results in digital block (Page 0) */
 1032                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
 1033                         PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
 1034                                 BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
 1035                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
 1036 
 1037                         /* Enable fiber mode and autodetection */
 1038                         PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
 1039                                 PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
 1040                                 BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
 1041                                 BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
 1042 
 1043                         /* Enable parallel detection */
 1044                         PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
 1045                                 PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
 1046                                 BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
 1047 
 1048                         /* Advertise 2.5G support through next page during autoneg */
 1049                         if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
 1050                                 PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
 1051                                         PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
 1052                                         BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
 1053 
 1054                         /* Increase TX signal amplitude */
 1055                         if ((BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_A0) ||
 1056                             (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B0) ||
 1057                             (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B1)) {
 1058                                 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1059                                         BRGPHY_5708S_TX_MISC_PG5);
 1060                                 PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
 1061                                         PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) & ~0x30);
 1062                                 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1063                                         BRGPHY_5708S_DIG_PG0);
 1064                         }
 1065 
 1066                         /* Backplanes use special driver/pre-driver/pre-emphasis values. */
 1067                         if ((bce_sc->bce_shared_hw_cfg & BCE_SHARED_HW_CFG_PHY_BACKPLANE) &&
 1068                                 (bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
 1069                                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1070                                                 BRGPHY_5708S_TX_MISC_PG5);
 1071                                         PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
 1072                                                 bce_sc->bce_port_hw_cfg &
 1073                                                 BCE_PORT_HW_CFG_CFG_TXCTL3_MASK);
 1074                                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1075                                                 BRGPHY_5708S_DIG_PG0);
 1076                         }
 1077                 } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709 &&
 1078                         (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
 1079                         /* Select the SerDes Digital block of the AN MMD. */
 1080                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_SERDES_DIG);
 1081                         val = PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1);
 1082                         val &= ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET;
 1083                         val |= BRGPHY_SD_DIG_1000X_CTL1_FIBER;
 1084                         PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1, val);
 1085 
 1086                         /* Select the Over 1G block of the AN MMD. */
 1087                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_OVER_1G);
 1088 
 1089                         /* Enable autoneg "Next Page" to advertise 2.5G support. */
 1090                         val = PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1);
 1091                         if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
 1092                                 val |= BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G;
 1093                         else
 1094                                 val &= ~BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G;
 1095                         PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1, val);
 1096 
 1097                         /* Select the Multi-Rate Backplane Ethernet block of the AN MMD. */
 1098                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_MRBE);
 1099 
 1100                         /* Enable MRBE speed autoneg. */
 1101                         val = PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP);
 1102                         val |= BRGPHY_MRBE_MSG_PG5_NP_MBRE |
 1103                             BRGPHY_MRBE_MSG_PG5_NP_T2;
 1104                         PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP, val);
 1105 
 1106                         /* Select the Clause 73 User B0 block of the AN MMD. */
 1107                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_CL73_USER_B0);
 1108 
 1109                         /* Enable MRBE speed autoneg. */
 1110                         PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1,
 1111                             BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP |
 1112                             BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR |
 1113                             BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG);
 1114 
 1115                         /* Restore IEEE0 block (assumed in all brgphy(4) code). */
 1116                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
 1117         } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709) {
 1118                         if ((BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Ax) ||
 1119                                 (BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Bx))
 1120                                 brgphy_fixup_disable_early_dac(sc);
 1121 
 1122                         brgphy_jumbo_settings(sc, if_getmtu(ifp));
 1123                         brgphy_ethernet_wirespeed(sc);
 1124                 } else {
 1125                         brgphy_fixup_ber_bug(sc);
 1126                         brgphy_jumbo_settings(sc, if_getmtu(ifp));
 1127                         brgphy_ethernet_wirespeed(sc);
 1128                 }
 1129         }
 1130 }

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