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 devclass_t brgphy_devclass;
   93 
   94 static driver_t brgphy_driver = {
   95         "brgphy",
   96         brgphy_methods,
   97         sizeof(struct brgphy_softc)
   98 };
   99 
  100 DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
  101 
  102 static int      brgphy_service(struct mii_softc *, struct mii_data *, int);
  103 static void     brgphy_setmedia(struct mii_softc *, int);
  104 static void     brgphy_status(struct mii_softc *);
  105 static void     brgphy_mii_phy_auto(struct mii_softc *, int);
  106 static void     brgphy_reset(struct mii_softc *);
  107 static void     brgphy_enable_loopback(struct mii_softc *);
  108 static void     bcm5401_load_dspcode(struct mii_softc *);
  109 static void     bcm5411_load_dspcode(struct mii_softc *);
  110 static void     bcm54k2_load_dspcode(struct mii_softc *);
  111 static void     brgphy_fixup_5704_a0_bug(struct mii_softc *);
  112 static void     brgphy_fixup_adc_bug(struct mii_softc *);
  113 static void     brgphy_fixup_adjust_trim(struct mii_softc *);
  114 static void     brgphy_fixup_ber_bug(struct mii_softc *);
  115 static void     brgphy_fixup_crc_bug(struct mii_softc *);
  116 static void     brgphy_fixup_jitter_bug(struct mii_softc *);
  117 static void     brgphy_ethernet_wirespeed(struct mii_softc *);
  118 static void     brgphy_jumbo_settings(struct mii_softc *, u_long);
  119 
  120 static const struct mii_phydesc brgphys[] = {
  121         MII_PHY_DESC(BROADCOM, BCM5400),
  122         MII_PHY_DESC(BROADCOM, BCM5401),
  123         MII_PHY_DESC(BROADCOM, BCM5402),
  124         MII_PHY_DESC(BROADCOM, BCM5411),
  125         MII_PHY_DESC(BROADCOM, BCM5404),
  126         MII_PHY_DESC(BROADCOM, BCM5424),
  127         MII_PHY_DESC(BROADCOM, BCM54K2),
  128         MII_PHY_DESC(BROADCOM, BCM5701),
  129         MII_PHY_DESC(BROADCOM, BCM5703),
  130         MII_PHY_DESC(BROADCOM, BCM5704),
  131         MII_PHY_DESC(BROADCOM, BCM5705),
  132         MII_PHY_DESC(BROADCOM, BCM5706),
  133         MII_PHY_DESC(BROADCOM, BCM5714),
  134         MII_PHY_DESC(BROADCOM, BCM5421),
  135         MII_PHY_DESC(BROADCOM, BCM5750),
  136         MII_PHY_DESC(BROADCOM, BCM5752),
  137         MII_PHY_DESC(BROADCOM, BCM5780),
  138         MII_PHY_DESC(BROADCOM, BCM5708C),
  139         MII_PHY_DESC(BROADCOM, BCM5466),
  140         MII_PHY_DESC(BROADCOM2, BCM5478),
  141         MII_PHY_DESC(BROADCOM2, BCM5488),
  142         MII_PHY_DESC(BROADCOM2, BCM5482),
  143         MII_PHY_DESC(BROADCOM2, BCM5708S),
  144         MII_PHY_DESC(BROADCOM2, BCM5709C),
  145         MII_PHY_DESC(BROADCOM2, BCM5709S),
  146         MII_PHY_DESC(BROADCOM2, BCM5709CAX),
  147         MII_PHY_DESC(BROADCOM2, BCM5722),
  148         MII_PHY_DESC(BROADCOM2, BCM5755),
  149         MII_PHY_DESC(BROADCOM2, BCM5754),
  150         MII_PHY_DESC(BROADCOM2, BCM5761),
  151         MII_PHY_DESC(BROADCOM2, BCM5784),
  152 #ifdef notyet   /* better handled by ukphy(4) until WARs are implemented */
  153         MII_PHY_DESC(BROADCOM2, BCM5785),
  154 #endif
  155         MII_PHY_DESC(BROADCOM3, BCM54618SE),
  156         MII_PHY_DESC(BROADCOM3, BCM5717C),
  157         MII_PHY_DESC(BROADCOM3, BCM5719C),
  158         MII_PHY_DESC(BROADCOM3, BCM5720C),
  159         MII_PHY_DESC(BROADCOM3, BCM57765),
  160         MII_PHY_DESC(BROADCOM3, BCM57780),
  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 
  383                 /* Retry autonegotiation */
  384                 sc->mii_ticks = 0;
  385                 brgphy_mii_phy_auto(sc, ife->ifm_media);
  386                 break;
  387         }
  388 
  389         /* Update the media status. */
  390         PHY_STATUS(sc);
  391 
  392         /*
  393          * Callback if something changed. Note that we need to poke
  394          * the DSP on the Broadcom PHYs if the media changes.
  395          */
  396         if (sc->mii_media_active != mii->mii_media_active ||
  397             sc->mii_media_status != mii->mii_media_status ||
  398             cmd == MII_MEDIACHG) {
  399                 switch (sc->mii_mpd_oui) {
  400                 case MII_OUI_BROADCOM:
  401                         switch (sc->mii_mpd_model) {
  402                         case MII_MODEL_BROADCOM_BCM5400:
  403                                 bcm5401_load_dspcode(sc);
  404                                 break;
  405                         case MII_MODEL_BROADCOM_BCM5401:
  406                                 if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
  407                                         bcm5401_load_dspcode(sc);
  408                                 break;
  409                         case MII_MODEL_BROADCOM_BCM5411:
  410                                 bcm5411_load_dspcode(sc);
  411                                 break;
  412                         case MII_MODEL_BROADCOM_BCM54K2:
  413                                 bcm54k2_load_dspcode(sc);
  414                                 break;
  415                         }
  416                         break;
  417                 }
  418         }
  419         mii_phy_update(sc, cmd);
  420         return (0);
  421 }
  422 
  423 /****************************************************************************/
  424 /* Sets the PHY link speed.                                                 */
  425 /*                                                                          */
  426 /* Returns:                                                                 */
  427 /*   None                                                                   */
  428 /****************************************************************************/
  429 static void
  430 brgphy_setmedia(struct mii_softc *sc, int media)
  431 {
  432         int bmcr = 0, gig;
  433 
  434         switch (IFM_SUBTYPE(media)) {
  435         case IFM_2500_SX:
  436                 break;
  437         case IFM_1000_SX:
  438         case IFM_1000_T:
  439                 bmcr = BRGPHY_S1000;
  440                 break;
  441         case IFM_100_TX:
  442                 bmcr = BRGPHY_S100;
  443                 break;
  444         case IFM_10_T:
  445         default:
  446                 bmcr = BRGPHY_S10;
  447                 break;
  448         }
  449 
  450         if ((media & IFM_FDX) != 0) {
  451                 bmcr |= BRGPHY_BMCR_FDX;
  452                 gig = BRGPHY_1000CTL_AFD;
  453         } else {
  454                 gig = BRGPHY_1000CTL_AHD;
  455         }
  456 
  457         /* Force loopback to disconnect PHY from Ethernet medium. */
  458         brgphy_enable_loopback(sc);
  459 
  460         PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
  461         PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
  462 
  463         if (IFM_SUBTYPE(media) != IFM_1000_T &&
  464             IFM_SUBTYPE(media) != IFM_1000_SX) {
  465                 PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr);
  466                 return;
  467         }
  468 
  469         if (IFM_SUBTYPE(media) == IFM_1000_T) {
  470                 gig |= BRGPHY_1000CTL_MSE;
  471                 if ((media & IFM_ETH_MASTER) != 0)
  472                         gig |= BRGPHY_1000CTL_MSC;
  473         }
  474         PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
  475         PHY_WRITE(sc, BRGPHY_MII_BMCR,
  476             bmcr | BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
  477 }
  478 
  479 /****************************************************************************/
  480 /* Set the media status based on the PHY settings.                          */
  481 /*                                                                          */
  482 /* Returns:                                                                 */
  483 /*   None                                                                   */
  484 /****************************************************************************/
  485 static void
  486 brgphy_status(struct mii_softc *sc)
  487 {
  488         struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
  489         struct mii_data *mii = sc->mii_pdata;
  490         int aux, bmcr, bmsr, val, xstat;
  491         u_int flowstat;
  492 
  493         mii->mii_media_status = IFM_AVALID;
  494         mii->mii_media_active = IFM_ETHER;
  495 
  496         bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
  497         bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
  498 
  499         if (bmcr & BRGPHY_BMCR_LOOP) {
  500                 mii->mii_media_active |= IFM_LOOP;
  501         }
  502 
  503         if ((bmcr & BRGPHY_BMCR_AUTOEN) &&
  504             (bmsr & BRGPHY_BMSR_ACOMP) == 0 &&
  505             (bsc->serdes_flags & BRGPHY_NOANWAIT) == 0) {
  506                 /* Erg, still trying, I guess... */
  507                 mii->mii_media_active |= IFM_NONE;
  508                 return;
  509         }
  510 
  511         if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
  512                 /*
  513                  * NB: reading the ANAR, ANLPAR or 1000STS after the AUXSTS
  514                  * wedges at least the PHY of BCM5704 (but not others).
  515                  */
  516                 flowstat = mii_phy_flowstatus(sc);
  517                 xstat = PHY_READ(sc, BRGPHY_MII_1000STS);
  518                 aux = PHY_READ(sc, BRGPHY_MII_AUXSTS);
  519 
  520                 /* If copper link is up, get the negotiated speed/duplex. */
  521                 if (aux & BRGPHY_AUXSTS_LINK) {
  522                         mii->mii_media_status |= IFM_ACTIVE;
  523                         switch (aux & BRGPHY_AUXSTS_AN_RES) {
  524                         case BRGPHY_RES_1000FD:
  525                                 mii->mii_media_active |= IFM_1000_T | IFM_FDX;  break;
  526                         case BRGPHY_RES_1000HD:
  527                                 mii->mii_media_active |= IFM_1000_T | IFM_HDX;  break;
  528                         case BRGPHY_RES_100FD:
  529                                 mii->mii_media_active |= IFM_100_TX | IFM_FDX; break;
  530                         case BRGPHY_RES_100T4:
  531                                 mii->mii_media_active |= IFM_100_T4; break;
  532                         case BRGPHY_RES_100HD:
  533                                 mii->mii_media_active |= IFM_100_TX | IFM_HDX;  break;
  534                         case BRGPHY_RES_10FD:
  535                                 mii->mii_media_active |= IFM_10_T | IFM_FDX; break;
  536                         case BRGPHY_RES_10HD:
  537                                 mii->mii_media_active |= IFM_10_T | IFM_HDX; break;
  538                         default:
  539                                 mii->mii_media_active |= IFM_NONE; break;
  540                         }
  541 
  542                         if ((mii->mii_media_active & IFM_FDX) != 0)
  543                                 mii->mii_media_active |= flowstat;
  544 
  545                         if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T &&
  546                             (xstat & BRGPHY_1000STS_MSR) != 0)
  547                                 mii->mii_media_active |= IFM_ETH_MASTER;
  548                 }
  549         } else {
  550                 /* Todo: Add support for flow control. */
  551                 /* If serdes link is up, get the negotiated speed/duplex. */
  552                 if (bmsr & BRGPHY_BMSR_LINK) {
  553                         mii->mii_media_status |= IFM_ACTIVE;
  554                 }
  555 
  556                 /* Check the link speed/duplex based on the PHY type. */
  557                 if (bsc->serdes_flags & BRGPHY_5706S) {
  558                         mii->mii_media_active |= IFM_1000_SX;
  559 
  560                         /* If autoneg enabled, read negotiated duplex settings */
  561                         if (bmcr & BRGPHY_BMCR_AUTOEN) {
  562                                 val = PHY_READ(sc, BRGPHY_SERDES_ANAR) & PHY_READ(sc, BRGPHY_SERDES_ANLPAR);
  563                                 if (val & BRGPHY_SERDES_ANAR_FDX)
  564                                         mii->mii_media_active |= IFM_FDX;
  565                                 else
  566                                         mii->mii_media_active |= IFM_HDX;
  567                         }
  568                 } else if (bsc->serdes_flags & BRGPHY_5708S) {
  569                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
  570                         xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
  571 
  572                         /* Check for MRBE auto-negotiated speed results. */
  573                         switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
  574                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
  575                                 mii->mii_media_active |= IFM_10_FL; break;
  576                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
  577                                 mii->mii_media_active |= IFM_100_FX; break;
  578                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
  579                                 mii->mii_media_active |= IFM_1000_SX; break;
  580                         case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
  581                                 mii->mii_media_active |= IFM_2500_SX; break;
  582                         }
  583 
  584                         /* Check for MRBE auto-negotiated duplex results. */
  585                         if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
  586                                 mii->mii_media_active |= IFM_FDX;
  587                         else
  588                                 mii->mii_media_active |= IFM_HDX;
  589                 } else if (bsc->serdes_flags & BRGPHY_5709S) {
  590                         /* Select GP Status Block of the AN MMD, get autoneg results. */
  591                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_GP_STATUS);
  592                         xstat = PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS);
  593 
  594                         /* Restore IEEE0 block (assumed in all brgphy(4) code). */
  595                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
  596 
  597                         /* Check for MRBE auto-negotiated speed results. */
  598                         switch (xstat & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) {
  599                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10:
  600                                         mii->mii_media_active |= IFM_10_FL; break;
  601                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100:
  602                                         mii->mii_media_active |= IFM_100_FX; break;
  603                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G:
  604                                         mii->mii_media_active |= IFM_1000_SX; break;
  605                                 case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G:
  606                                         mii->mii_media_active |= IFM_2500_SX; break;
  607                         }
  608 
  609                         /* Check for MRBE auto-negotiated duplex results. */
  610                         if (xstat & BRGPHY_GP_STATUS_TOP_ANEG_FDX)
  611                                 mii->mii_media_active |= IFM_FDX;
  612                         else
  613                                 mii->mii_media_active |= IFM_HDX;
  614                 }
  615         }
  616 }
  617 
  618 static void
  619 brgphy_mii_phy_auto(struct mii_softc *sc, int media)
  620 {
  621         int anar, ktcr = 0;
  622 
  623         PHY_RESET(sc);
  624 
  625         if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
  626                 anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
  627                 if ((media & IFM_FLOW) != 0 ||
  628                     (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
  629                         anar |= BRGPHY_ANAR_PC | BRGPHY_ANAR_ASP;
  630                 PHY_WRITE(sc, BRGPHY_MII_ANAR, anar);
  631                 ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD;
  632                 if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)
  633                         ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC;
  634                 PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr);
  635                 PHY_READ(sc, BRGPHY_MII_1000CTL);
  636         } else {
  637                 anar = BRGPHY_SERDES_ANAR_FDX | BRGPHY_SERDES_ANAR_HDX;
  638                 if ((media & IFM_FLOW) != 0 ||
  639                     (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
  640                         anar |= BRGPHY_SERDES_ANAR_BOTH_PAUSE;
  641                 PHY_WRITE(sc, BRGPHY_SERDES_ANAR, anar);
  642         }
  643 
  644         PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_AUTOEN |
  645             BRGPHY_BMCR_STARTNEG);
  646         PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
  647 }
  648 
  649 /* Enable loopback to force the link down. */
  650 static void
  651 brgphy_enable_loopback(struct mii_softc *sc)
  652 {
  653         int i;
  654 
  655         PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
  656         for (i = 0; i < 15000; i++) {
  657                 if (!(PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_LINK))
  658                         break;
  659                 DELAY(10);
  660         }
  661 }
  662 
  663 /* Turn off tap power management on 5401. */
  664 static void
  665 bcm5401_load_dspcode(struct mii_softc *sc)
  666 {
  667         static const struct {
  668                 int             reg;
  669                 uint16_t        val;
  670         } dspcode[] = {
  671                 { BRGPHY_MII_AUXCTL,            0x0c20 },
  672                 { BRGPHY_MII_DSP_ADDR_REG,      0x0012 },
  673                 { BRGPHY_MII_DSP_RW_PORT,       0x1804 },
  674                 { BRGPHY_MII_DSP_ADDR_REG,      0x0013 },
  675                 { BRGPHY_MII_DSP_RW_PORT,       0x1204 },
  676                 { BRGPHY_MII_DSP_ADDR_REG,      0x8006 },
  677                 { BRGPHY_MII_DSP_RW_PORT,       0x0132 },
  678                 { BRGPHY_MII_DSP_ADDR_REG,      0x8006 },
  679                 { BRGPHY_MII_DSP_RW_PORT,       0x0232 },
  680                 { BRGPHY_MII_DSP_ADDR_REG,      0x201f },
  681                 { BRGPHY_MII_DSP_RW_PORT,       0x0a20 },
  682                 { 0,                            0 },
  683         };
  684         int i;
  685 
  686         for (i = 0; dspcode[i].reg != 0; i++)
  687                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  688         DELAY(40);
  689 }
  690 
  691 static void
  692 bcm5411_load_dspcode(struct mii_softc *sc)
  693 {
  694         static const struct {
  695                 int             reg;
  696                 uint16_t        val;
  697         } dspcode[] = {
  698                 { 0x1c,                         0x8c23 },
  699                 { 0x1c,                         0x8ca3 },
  700                 { 0x1c,                         0x8c23 },
  701                 { 0,                            0 },
  702         };
  703         int i;
  704 
  705         for (i = 0; dspcode[i].reg != 0; i++)
  706                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  707 }
  708 
  709 void
  710 bcm54k2_load_dspcode(struct mii_softc *sc)
  711 {
  712         static const struct {
  713                 int             reg;
  714                 uint16_t        val;
  715         } dspcode[] = {
  716                 { 4,                            0x01e1 },
  717                 { 9,                            0x0300 },
  718                 { 0,                            0 },
  719         };
  720         int i;
  721 
  722         for (i = 0; dspcode[i].reg != 0; i++)
  723                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  724 
  725 }
  726 
  727 static void
  728 brgphy_fixup_5704_a0_bug(struct mii_softc *sc)
  729 {
  730         static const struct {
  731                 int             reg;
  732                 uint16_t        val;
  733         } dspcode[] = {
  734                 { 0x1c,                         0x8d68 },
  735                 { 0x1c,                         0x8d68 },
  736                 { 0,                            0 },
  737         };
  738         int i;
  739 
  740         for (i = 0; dspcode[i].reg != 0; i++)
  741                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  742 }
  743 
  744 static void
  745 brgphy_fixup_adc_bug(struct mii_softc *sc)
  746 {
  747         static const struct {
  748                 int             reg;
  749                 uint16_t        val;
  750         } dspcode[] = {
  751                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  752                 { BRGPHY_MII_DSP_ADDR_REG,      0x201f },
  753                 { BRGPHY_MII_DSP_RW_PORT,       0x2aaa },
  754                 { 0,                            0 },
  755         };
  756         int i;
  757 
  758         for (i = 0; dspcode[i].reg != 0; i++)
  759                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  760 }
  761 
  762 static void
  763 brgphy_fixup_adjust_trim(struct mii_softc *sc)
  764 {
  765         static const struct {
  766                 int             reg;
  767                 uint16_t        val;
  768         } dspcode[] = {
  769                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  770                 { BRGPHY_MII_DSP_ADDR_REG,      0x000a },
  771                 { BRGPHY_MII_DSP_RW_PORT,       0x110b },
  772                 { BRGPHY_MII_TEST1,                     0x0014 },
  773                 { BRGPHY_MII_AUXCTL,            0x0400 },
  774                 { 0,                            0 },
  775         };
  776         int i;
  777 
  778         for (i = 0; dspcode[i].reg != 0; i++)
  779                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  780 }
  781 
  782 static void
  783 brgphy_fixup_ber_bug(struct mii_softc *sc)
  784 {
  785         static const struct {
  786                 int             reg;
  787                 uint16_t        val;
  788         } dspcode[] = {
  789                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  790                 { BRGPHY_MII_DSP_ADDR_REG,      0x000a },
  791                 { BRGPHY_MII_DSP_RW_PORT,       0x310b },
  792                 { BRGPHY_MII_DSP_ADDR_REG,      0x201f },
  793                 { BRGPHY_MII_DSP_RW_PORT,       0x9506 },
  794                 { BRGPHY_MII_DSP_ADDR_REG,      0x401f },
  795                 { BRGPHY_MII_DSP_RW_PORT,       0x14e2 },
  796                 { BRGPHY_MII_AUXCTL,            0x0400 },
  797                 { 0,                            0 },
  798         };
  799         int i;
  800 
  801         for (i = 0; dspcode[i].reg != 0; i++)
  802                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  803 }
  804 
  805 static void
  806 brgphy_fixup_crc_bug(struct mii_softc *sc)
  807 {
  808         static const struct {
  809                 int             reg;
  810                 uint16_t        val;
  811         } dspcode[] = {
  812                 { BRGPHY_MII_DSP_RW_PORT,       0x0a75 },
  813                 { 0x1c,                         0x8c68 },
  814                 { 0x1c,                         0x8d68 },
  815                 { 0x1c,                         0x8c68 },
  816                 { 0,                            0 },
  817         };
  818         int i;
  819 
  820         for (i = 0; dspcode[i].reg != 0; i++)
  821                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  822 }
  823 
  824 static void
  825 brgphy_fixup_jitter_bug(struct mii_softc *sc)
  826 {
  827         static const struct {
  828                 int             reg;
  829                 uint16_t        val;
  830         } dspcode[] = {
  831                 { BRGPHY_MII_AUXCTL,            0x0c00 },
  832                 { BRGPHY_MII_DSP_ADDR_REG,      0x000a },
  833                 { BRGPHY_MII_DSP_RW_PORT,       0x010b },
  834                 { BRGPHY_MII_AUXCTL,            0x0400 },
  835                 { 0,                            0 },
  836         };
  837         int i;
  838 
  839         for (i = 0; dspcode[i].reg != 0; i++)
  840                 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
  841 }
  842 
  843 static void
  844 brgphy_fixup_disable_early_dac(struct mii_softc *sc)
  845 {
  846         uint32_t val;
  847 
  848         PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
  849         val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
  850         val &= ~(1 << 8);
  851         PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
  852 
  853 }
  854 
  855 static void
  856 brgphy_ethernet_wirespeed(struct mii_softc *sc)
  857 {
  858         uint32_t        val;
  859 
  860         /* Enable Ethernet@WireSpeed. */
  861         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
  862         val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  863         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
  864 }
  865 
  866 static void
  867 brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu)
  868 {
  869         uint32_t        val;
  870 
  871         /* Set or clear jumbo frame settings in the PHY. */
  872         if (mtu > ETHER_MAX_LEN) {
  873                 if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401) {
  874                         /* BCM5401 PHY cannot read-modify-write. */
  875                         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
  876                 } else {
  877                         PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
  878                         val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  879                         PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
  880                             val | BRGPHY_AUXCTL_LONG_PKT);
  881                 }
  882 
  883                 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
  884                 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
  885                     val | BRGPHY_PHY_EXTCTL_HIGH_LA);
  886         } else {
  887                 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
  888                 val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
  889                 PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
  890                     val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
  891 
  892                 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
  893                 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
  894                         val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
  895         }
  896 }
  897 
  898 static void
  899 brgphy_reset(struct mii_softc *sc)
  900 {
  901         struct bge_softc *bge_sc = NULL;
  902         struct bce_softc *bce_sc = NULL;
  903         if_t ifp;
  904         int i, val;
  905 
  906         /*
  907          * Perform a reset.  Note that at least some Broadcom PHYs default to
  908          * being powered down as well as isolated after a reset but don't work
  909          * if one or both of these bits are cleared.  However, they just work
  910          * fine if both bits remain set, so we don't use mii_phy_reset() here.
  911          */
  912         PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_RESET);
  913 
  914         /* Wait 100ms for it to complete. */
  915         for (i = 0; i < 100; i++) {
  916                 if ((PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_RESET) == 0)
  917                         break;
  918                 DELAY(1000);
  919         }
  920 
  921         /* Handle any PHY specific procedures following the reset. */
  922         switch (sc->mii_mpd_oui) {
  923         case MII_OUI_BROADCOM:
  924                 switch (sc->mii_mpd_model) {
  925                 case MII_MODEL_BROADCOM_BCM5400:
  926                         bcm5401_load_dspcode(sc);
  927                         break;
  928                 case MII_MODEL_BROADCOM_BCM5401:
  929                         if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
  930                                 bcm5401_load_dspcode(sc);
  931                         break;
  932                 case MII_MODEL_BROADCOM_BCM5411:
  933                         bcm5411_load_dspcode(sc);
  934                         break;
  935                 case MII_MODEL_BROADCOM_BCM54K2:
  936                         bcm54k2_load_dspcode(sc);
  937                         break;
  938                 }
  939                 break;
  940         case MII_OUI_BROADCOM3:
  941                 switch (sc->mii_mpd_model) {
  942                 case MII_MODEL_BROADCOM3_BCM5717C:
  943                 case MII_MODEL_BROADCOM3_BCM5719C:
  944                 case MII_MODEL_BROADCOM3_BCM5720C:
  945                 case MII_MODEL_BROADCOM3_BCM57765:
  946                         return;
  947                 }
  948                 break;
  949         case MII_OUI_BROADCOM4:
  950                 return;
  951         }
  952 
  953         ifp = sc->mii_pdata->mii_ifp;
  954 
  955         /* Find the driver associated with this PHY. */
  956         if (mii_phy_mac_match(sc, "bge"))
  957                 bge_sc = mii_phy_mac_softc(sc);
  958         else if (mii_phy_mac_match(sc, "bce"))
  959                 bce_sc = mii_phy_mac_softc(sc);
  960 
  961         if (bge_sc) {
  962                 /* Fix up various bugs */
  963                 if (bge_sc->bge_phy_flags & BGE_PHY_5704_A0_BUG)
  964                         brgphy_fixup_5704_a0_bug(sc);
  965                 if (bge_sc->bge_phy_flags & BGE_PHY_ADC_BUG)
  966                         brgphy_fixup_adc_bug(sc);
  967                 if (bge_sc->bge_phy_flags & BGE_PHY_ADJUST_TRIM)
  968                         brgphy_fixup_adjust_trim(sc);
  969                 if (bge_sc->bge_phy_flags & BGE_PHY_BER_BUG)
  970                         brgphy_fixup_ber_bug(sc);
  971                 if (bge_sc->bge_phy_flags & BGE_PHY_CRC_BUG)
  972                         brgphy_fixup_crc_bug(sc);
  973                 if (bge_sc->bge_phy_flags & BGE_PHY_JITTER_BUG)
  974                         brgphy_fixup_jitter_bug(sc);
  975 
  976                 if (bge_sc->bge_flags & BGE_FLAG_JUMBO)
  977                         brgphy_jumbo_settings(sc, if_getmtu(ifp));
  978 
  979                 if ((bge_sc->bge_phy_flags & BGE_PHY_NO_WIRESPEED) == 0)
  980                         brgphy_ethernet_wirespeed(sc);
  981 
  982                 /* Enable Link LED on Dell boxes */
  983                 if (bge_sc->bge_phy_flags & BGE_PHY_NO_3LED) {
  984                         PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
  985                             PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) &
  986                             ~BRGPHY_PHY_EXTCTL_3_LED);
  987                 }
  988 
  989                 /* Adjust output voltage (From Linux driver) */
  990                 if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5906)
  991                         PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
  992         } else if (bce_sc) {
  993                 if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5708 &&
  994                         (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
  995 
  996                         /* Store autoneg capabilities/results in digital block (Page 0) */
  997                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
  998                         PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
  999                                 BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
 1000                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
 1001 
 1002                         /* Enable fiber mode and autodetection */
 1003                         PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
 1004                                 PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
 1005                                 BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
 1006                                 BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
 1007 
 1008                         /* Enable parallel detection */
 1009                         PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
 1010                                 PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
 1011                                 BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
 1012 
 1013                         /* Advertise 2.5G support through next page during autoneg */
 1014                         if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
 1015                                 PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
 1016                                         PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
 1017                                         BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
 1018 
 1019                         /* Increase TX signal amplitude */
 1020                         if ((BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_A0) ||
 1021                             (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B0) ||
 1022                             (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B1)) {
 1023                                 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1024                                         BRGPHY_5708S_TX_MISC_PG5);
 1025                                 PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
 1026                                         PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) & ~0x30);
 1027                                 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1028                                         BRGPHY_5708S_DIG_PG0);
 1029                         }
 1030 
 1031                         /* Backplanes use special driver/pre-driver/pre-emphasis values. */
 1032                         if ((bce_sc->bce_shared_hw_cfg & BCE_SHARED_HW_CFG_PHY_BACKPLANE) &&
 1033                                 (bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
 1034                                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1035                                                 BRGPHY_5708S_TX_MISC_PG5);
 1036                                         PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
 1037                                                 bce_sc->bce_port_hw_cfg &
 1038                                                 BCE_PORT_HW_CFG_CFG_TXCTL3_MASK);
 1039                                         PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
 1040                                                 BRGPHY_5708S_DIG_PG0);
 1041                         }
 1042                 } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709 &&
 1043                         (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
 1044 
 1045                         /* Select the SerDes Digital block of the AN MMD. */
 1046                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_SERDES_DIG);
 1047                         val = PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1);
 1048                         val &= ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET;
 1049                         val |= BRGPHY_SD_DIG_1000X_CTL1_FIBER;
 1050                         PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1, val);
 1051 
 1052                         /* Select the Over 1G block of the AN MMD. */
 1053                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_OVER_1G);
 1054 
 1055                         /* Enable autoneg "Next Page" to advertise 2.5G support. */
 1056                         val = PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1);
 1057                         if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
 1058                                 val |= BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G;
 1059                         else
 1060                                 val &= ~BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G;
 1061                         PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1, val);
 1062 
 1063                         /* Select the Multi-Rate Backplane Ethernet block of the AN MMD. */
 1064                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_MRBE);
 1065 
 1066                         /* Enable MRBE speed autoneg. */
 1067                         val = PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP);
 1068                         val |= BRGPHY_MRBE_MSG_PG5_NP_MBRE |
 1069                             BRGPHY_MRBE_MSG_PG5_NP_T2;
 1070                         PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP, val);
 1071 
 1072                         /* Select the Clause 73 User B0 block of the AN MMD. */
 1073                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_CL73_USER_B0);
 1074 
 1075                         /* Enable MRBE speed autoneg. */
 1076                         PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1,
 1077                             BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP |
 1078                             BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR |
 1079                             BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG);
 1080 
 1081                         /* Restore IEEE0 block (assumed in all brgphy(4) code). */
 1082                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
 1083         } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709) {
 1084                         if ((BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Ax) ||
 1085                                 (BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Bx))
 1086                                 brgphy_fixup_disable_early_dac(sc);
 1087 
 1088                         brgphy_jumbo_settings(sc, if_getmtu(ifp));
 1089                         brgphy_ethernet_wirespeed(sc);
 1090                 } else {
 1091                         brgphy_fixup_ber_bug(sc);
 1092                         brgphy_jumbo_settings(sc, if_getmtu(ifp));
 1093                         brgphy_ethernet_wirespeed(sc);
 1094                 }
 1095         }
 1096 }

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