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brgphy.c revision 1.76
      1 /*	$NetBSD: brgphy.c,v 1.76 2014/07/02 22:35:10 msaitoh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
     35  *
     36  * Redistribution and use in source and binary forms, with or without
     37  * modification, are permitted provided that the following conditions
     38  * are met:
     39  * 1. Redistributions of source code must retain the above copyright
     40  *    notice, this list of conditions and the following disclaimer.
     41  * 2. Redistributions in binary form must reproduce the above copyright
     42  *    notice, this list of conditions and the following disclaimer in the
     43  *    documentation and/or other materials provided with the distribution.
     44  *
     45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     55  */
     56 
     57 /*
     58  * driver for the Broadcom BCM5400 and BCM5700 Gig-E PHYs.
     59  *
     60  * Programming information for this PHY was gleaned from FreeBSD
     61  * (they were apparently able to get a datasheet from Broadcom).
     62  */
     63 
     64 #include <sys/cdefs.h>
     65 __KERNEL_RCSID(0, "$NetBSD: brgphy.c,v 1.76 2014/07/02 22:35:10 msaitoh Exp $");
     66 
     67 #include <sys/param.h>
     68 #include <sys/systm.h>
     69 #include <sys/kernel.h>
     70 #include <sys/device.h>
     71 #include <sys/socket.h>
     72 #include <sys/errno.h>
     73 #include <prop/proplib.h>
     74 
     75 #include <net/if.h>
     76 #include <net/if_media.h>
     77 
     78 #include <dev/mii/mii.h>
     79 #include <dev/mii/miivar.h>
     80 #include <dev/mii/miidevs.h>
     81 #include <dev/mii/brgphyreg.h>
     82 
     83 #include <dev/pci/if_bgereg.h>
     84 #include <dev/pci/if_bnxreg.h>
     85 
     86 static int	brgphymatch(device_t, cfdata_t, void *);
     87 static void	brgphyattach(device_t, device_t, void *);
     88 
     89 struct brgphy_softc {
     90 	struct mii_softc sc_mii;
     91 	bool sc_isbge;
     92 	bool sc_isbnx;
     93 	uint32_t sc_chipid;	/* parent's chipid */
     94 	uint32_t sc_phyflags;	/* parent's phyflags */
     95 	uint32_t sc_shared_hwcfg; /* shared hw config */
     96 	uint32_t sc_port_hwcfg;	/* port specific hw config */
     97 };
     98 
     99 CFATTACH_DECL3_NEW(brgphy, sizeof(struct brgphy_softc),
    100     brgphymatch, brgphyattach, mii_phy_detach, mii_phy_activate, NULL, NULL,
    101     DVF_DETACH_SHUTDOWN);
    102 
    103 static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
    104 static void	brgphy_copper_status(struct mii_softc *);
    105 static void	brgphy_fiber_status(struct mii_softc *);
    106 static void	brgphy_5708s_status(struct mii_softc *);
    107 static void	brgphy_5709s_status(struct mii_softc *);
    108 static int	brgphy_mii_phy_auto(struct mii_softc *);
    109 static void	brgphy_loop(struct mii_softc *);
    110 static void	brgphy_reset(struct mii_softc *);
    111 static void	brgphy_bcm5401_dspcode(struct mii_softc *);
    112 static void	brgphy_bcm5411_dspcode(struct mii_softc *);
    113 static void	brgphy_bcm5421_dspcode(struct mii_softc *);
    114 static void	brgphy_bcm54k2_dspcode(struct mii_softc *);
    115 static void	brgphy_adc_bug(struct mii_softc *);
    116 static void	brgphy_5704_a0_bug(struct mii_softc *);
    117 static void	brgphy_ber_bug(struct mii_softc *);
    118 static void	brgphy_crc_bug(struct mii_softc *);
    119 static void	brgphy_disable_early_dac(struct mii_softc *);
    120 static void	brgphy_jumbo_settings(struct mii_softc *);
    121 static void	brgphy_eth_wirespeed(struct mii_softc *);
    122 
    123 
    124 static const struct mii_phy_funcs brgphy_copper_funcs = {
    125 	brgphy_service, brgphy_copper_status, brgphy_reset,
    126 };
    127 
    128 static const struct mii_phy_funcs brgphy_fiber_funcs = {
    129 	brgphy_service, brgphy_fiber_status, brgphy_reset,
    130 };
    131 
    132 static const struct mii_phy_funcs brgphy_5708s_funcs = {
    133 	brgphy_service, brgphy_5708s_status, brgphy_reset,
    134 };
    135 
    136 static const struct mii_phy_funcs brgphy_5709s_funcs = {
    137 	brgphy_service, brgphy_5709s_status, brgphy_reset,
    138 };
    139 
    140 static const struct mii_phydesc brgphys[] = {
    141 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5400,
    142 	  MII_STR_BROADCOM_BCM5400 },
    143 
    144 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5401,
    145 	  MII_STR_BROADCOM_BCM5401 },
    146 
    147 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5411,
    148 	  MII_STR_BROADCOM_BCM5411 },
    149 
    150 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5421,
    151 	  MII_STR_BROADCOM_BCM5421 },
    152 
    153 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5462,
    154 	  MII_STR_BROADCOM_BCM5462 },
    155 
    156 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5461,
    157 	  MII_STR_BROADCOM_BCM5461 },
    158 
    159 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM54K2,
    160 	  MII_STR_BROADCOM_BCM54K2 },
    161 
    162 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5464,
    163 	  MII_STR_BROADCOM_BCM5464 },
    164 
    165 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5701,
    166 	  MII_STR_BROADCOM_BCM5701 },
    167 
    168 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5703,
    169 	  MII_STR_BROADCOM_BCM5703 },
    170 
    171 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5704,
    172 	  MII_STR_BROADCOM_BCM5704 },
    173 
    174 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5705,
    175 	  MII_STR_BROADCOM_BCM5705 },
    176 
    177 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5706,
    178 	  MII_STR_BROADCOM_BCM5706 },
    179 
    180 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5714,
    181 	  MII_STR_BROADCOM_BCM5714 },
    182 
    183 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5750,
    184 	  MII_STR_BROADCOM_BCM5750 },
    185 
    186 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5752,
    187 	  MII_STR_BROADCOM_BCM5752 },
    188 
    189 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5780,
    190 	  MII_STR_BROADCOM_BCM5780 },
    191 
    192 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5708C,
    193 	  MII_STR_BROADCOM_BCM5708C },
    194 
    195 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5481,
    196 	  MII_STR_BROADCOM2_BCM5481 },
    197 
    198 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5482,
    199 	  MII_STR_BROADCOM2_BCM5482 },
    200 
    201 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5708S,
    202 	  MII_STR_BROADCOM2_BCM5708S },
    203 
    204 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5709C,
    205 	  MII_STR_BROADCOM2_BCM5709C },
    206 
    207 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5709S,
    208 	  MII_STR_BROADCOM2_BCM5709S },
    209 
    210 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5709CAX,
    211 	  MII_STR_BROADCOM2_BCM5709CAX },
    212 
    213 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5722,
    214 	  MII_STR_BROADCOM2_BCM5722 },
    215 
    216 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5754,
    217 	  MII_STR_BROADCOM2_BCM5754 },
    218 
    219 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5755,
    220 	  MII_STR_BROADCOM2_BCM5755 },
    221 
    222 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5756,
    223 	  MII_STR_BROADCOM2_BCM5756 },
    224 
    225 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5761,
    226 	  MII_STR_BROADCOM2_BCM5761 },
    227 
    228 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5784,
    229 	  MII_STR_BROADCOM2_BCM5784 },
    230 
    231 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5785,
    232 	  MII_STR_BROADCOM2_BCM5785 },
    233 
    234 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM5717C,
    235 	  MII_STR_BROADCOM3_BCM5717C },
    236 
    237 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM5719C,
    238 	  MII_STR_BROADCOM3_BCM5719C },
    239 
    240 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM5720C,
    241 	  MII_STR_BROADCOM3_BCM5720C },
    242 
    243 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM57765,
    244 	  MII_STR_BROADCOM3_BCM57765 },
    245 
    246 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM57780,
    247 	  MII_STR_BROADCOM3_BCM57780 },
    248 
    249 	{ MII_OUI_xxBROADCOM_ALT1,	MII_MODEL_xxBROADCOM_ALT1_BCM5906,
    250 	  MII_STR_xxBROADCOM_ALT1_BCM5906 },
    251 
    252 	{ 0,				0,
    253 	  NULL },
    254 };
    255 
    256 static int
    257 brgphymatch(device_t parent, cfdata_t match, void *aux)
    258 {
    259 	struct mii_attach_args *ma = aux;
    260 
    261 	if (mii_phy_match(ma, brgphys) != NULL)
    262 		return (10);
    263 
    264 	return (0);
    265 }
    266 
    267 static void
    268 brgphyattach(device_t parent, device_t self, void *aux)
    269 {
    270 	struct brgphy_softc *bsc = device_private(self);
    271 	struct mii_softc *sc = &bsc->sc_mii;
    272 	struct mii_attach_args *ma = aux;
    273 	struct mii_data *mii = ma->mii_data;
    274 	const struct mii_phydesc *mpd;
    275 	prop_dictionary_t dict;
    276 
    277 	mpd = mii_phy_match(ma, brgphys);
    278 	aprint_naive(": Media interface\n");
    279 	aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
    280 
    281 	sc->mii_dev = self;
    282 	sc->mii_inst = mii->mii_instance;
    283 	sc->mii_phy = ma->mii_phyno;
    284 	sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
    285 	sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
    286 	sc->mii_mpd_rev = MII_REV(ma->mii_id2);
    287 	sc->mii_pdata = mii;
    288 	sc->mii_flags = ma->mii_flags;
    289 	sc->mii_anegticks = MII_ANEGTICKS;
    290 
    291 	if (device_is_a(parent, "bge"))
    292 		bsc->sc_isbge = true;
    293 	else if (device_is_a(parent, "bnx"))
    294 		bsc->sc_isbnx = true;
    295 
    296 	dict = device_properties(parent);
    297 	if (bsc->sc_isbge || bsc->sc_isbnx) {
    298 		if (!prop_dictionary_get_uint32(dict, "phyflags",
    299 		    &bsc->sc_phyflags))
    300 			aprint_error_dev(self, "failed to get phyflags\n");
    301 		if (!prop_dictionary_get_uint32(dict, "chipid",
    302 		    &bsc->sc_chipid))
    303 			aprint_error_dev(self, "failed to get chipid\n");
    304 	}
    305 
    306 	if (bsc->sc_isbnx) {
    307 		/* Currently, only bnx use sc_shared_hwcfg and sc_port_hwcfg */
    308 		if (!prop_dictionary_get_uint32(dict, "shared_hwcfg",
    309 			&bsc->sc_shared_hwcfg))
    310 			aprint_error_dev(self, "failed to get shared_hwcfg\n");
    311 		if (!prop_dictionary_get_uint32(dict, "port_hwcfg",
    312 			&bsc->sc_port_hwcfg))
    313 			aprint_error_dev(self, "failed to get port_hwcfg\n");
    314 	}
    315 
    316 	if (sc->mii_flags & MIIF_HAVEFIBER) {
    317 		if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    318 		    && sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5708S)
    319 			sc->mii_funcs = &brgphy_5708s_funcs;
    320 		else if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    321 		    && (sc->mii_mpd_model ==  MII_MODEL_BROADCOM2_BCM5709S)) {
    322 			if (bsc->sc_isbnx)
    323 				sc->mii_funcs = &brgphy_5709s_funcs;
    324 			else {
    325 				/*
    326 				 * XXX
    327 				 * 5720S and 5709S shares the same PHY id.
    328 				 * Assume 5720S PHY if parent device is bge(4).
    329 				 */
    330 				sc->mii_funcs = &brgphy_5708s_funcs;
    331 			}
    332 		} else
    333 			sc->mii_funcs = &brgphy_fiber_funcs;
    334 	} else
    335 		sc->mii_funcs = &brgphy_copper_funcs;
    336 
    337 	PHY_RESET(sc);
    338 
    339 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
    340 	if (sc->mii_capabilities & BMSR_EXTSTAT)
    341 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
    342 
    343 	aprint_normal_dev(self, "");
    344 	if (sc->mii_flags & MIIF_HAVEFIBER) {
    345 		sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
    346 
    347 		/*
    348 		 * Set the proper bits for capabilities so that the
    349 		 * correct media get selected by mii_phy_add_media()
    350 		 */
    351 		sc->mii_capabilities |= BMSR_ANEG;
    352 		sc->mii_capabilities &= ~BMSR_100T4;
    353 		sc->mii_extcapabilities |= EXTSR_1000XFDX;
    354 
    355 		if (bsc->sc_isbnx) {
    356 			/*
    357 			 * 2.5Gb support is a software enabled feature
    358 			 * on the BCM5708S and BCM5709S controllers.
    359 			 */
    360 #define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
    361 			if (bsc->sc_phyflags
    362 			    & BNX_PHY_2_5G_CAPABLE_FLAG) {
    363 				ADD(IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX,
    364 					IFM_FDX, sc->mii_inst), 0);
    365 				aprint_normal("2500baseSX-FDX, ");
    366 #undef ADD
    367 			}
    368 		}
    369 	}
    370 	mii_phy_add_media(sc);
    371 
    372 	aprint_normal("\n");
    373 }
    374 
    375 static int
    376 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
    377 {
    378 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    379 	int reg, speed, gig;
    380 
    381 	switch (cmd) {
    382 	case MII_POLLSTAT:
    383 		/* If we're not polling our PHY instance, just return. */
    384 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
    385 			return (0);
    386 		break;
    387 
    388 	case MII_MEDIACHG:
    389 		/*
    390 		 * If the media indicates a different PHY instance,
    391 		 * isolate ourselves.
    392 		 */
    393 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
    394 			reg = PHY_READ(sc, MII_BMCR);
    395 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
    396 			return (0);
    397 		}
    398 
    399 		/* If the interface is not up, don't do anything. */
    400 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
    401 			break;
    402 
    403 		PHY_RESET(sc); /* XXX hardware bug work-around */
    404 
    405 		switch (IFM_SUBTYPE(ife->ifm_media)) {
    406 		case IFM_AUTO:
    407 			(void) brgphy_mii_phy_auto(sc);
    408 			break;
    409 		case IFM_2500_SX:
    410 			speed = BRGPHY_5708S_BMCR_2500;
    411 			goto setit;
    412 		case IFM_1000_SX:
    413 		case IFM_1000_T:
    414 			speed = BMCR_S1000;
    415 			goto setit;
    416 		case IFM_100_TX:
    417 			speed = BMCR_S100;
    418 			goto setit;
    419 		case IFM_10_T:
    420 			speed = BMCR_S10;
    421 setit:
    422 			brgphy_loop(sc);
    423 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
    424 				speed |= BMCR_FDX;
    425 				gig = GTCR_ADV_1000TFDX;
    426 			} else
    427 				gig = GTCR_ADV_1000THDX;
    428 
    429 			PHY_WRITE(sc, MII_100T2CR, 0);
    430 			PHY_WRITE(sc, MII_ANAR, ANAR_CSMA);
    431 			PHY_WRITE(sc, MII_BMCR, speed);
    432 
    433 			if ((IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) &&
    434 			    (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_SX) &&
    435 			    (IFM_SUBTYPE(ife->ifm_media) != IFM_2500_SX))
    436 				break;
    437 
    438 			PHY_WRITE(sc, MII_100T2CR, gig);
    439 			PHY_WRITE(sc, MII_BMCR,
    440 			    speed | BMCR_AUTOEN | BMCR_STARTNEG);
    441 
    442 			if ((sc->mii_mpd_oui != MII_OUI_BROADCOM)
    443 			    || (sc->mii_mpd_model != MII_MODEL_BROADCOM_BCM5701))
    444 				break;
    445 
    446 			if (mii->mii_media.ifm_media & IFM_ETH_MASTER)
    447 				gig |= GTCR_MAN_MS | GTCR_ADV_MS;
    448 			PHY_WRITE(sc, MII_100T2CR, gig);
    449 			break;
    450 		default:
    451 			return (EINVAL);
    452 		}
    453 		break;
    454 
    455 	case MII_TICK:
    456 		/* If we're not currently selected, just return. */
    457 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
    458 			return (0);
    459 
    460 		/* Is the interface even up? */
    461 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
    462 			return 0;
    463 
    464 		/* Only used for autonegotiation. */
    465 		if ((IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) &&
    466 		    (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)) {
    467 			sc->mii_ticks = 0;
    468 			break;
    469 		}
    470 
    471 		/*
    472 		 * Check for link.
    473 		 * Read the status register twice; BMSR_LINK is latch-low.
    474 		 */
    475 		reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    476 		if (reg & BMSR_LINK) {
    477 			sc->mii_ticks = 0;
    478 			break;
    479 		}
    480 
    481 		/*
    482 		 * mii_ticks == 0 means it's the first tick after changing the
    483 		 * media or the link became down since the last tick
    484 		 * (see above), so break to update the status.
    485 		 */
    486 		if (sc->mii_ticks++ == 0)
    487 			break;
    488 
    489 		/* Only retry autonegotiation every mii_anegticks seconds. */
    490 		KASSERT(sc->mii_anegticks != 0);
    491 		if (sc->mii_ticks <= sc->mii_anegticks)
    492 			break;
    493 
    494 		brgphy_mii_phy_auto(sc);
    495 		break;
    496 
    497 	case MII_DOWN:
    498 		mii_phy_down(sc);
    499 		return (0);
    500 	}
    501 
    502 	/* Update the media status. */
    503 	mii_phy_status(sc);
    504 
    505 	/*
    506 	 * Callback if something changed. Note that we need to poke the DSP on
    507 	 * the Broadcom PHYs if the media changes.
    508 	 */
    509 	if (sc->mii_media_active != mii->mii_media_active ||
    510 	    sc->mii_media_status != mii->mii_media_status ||
    511 	    cmd == MII_MEDIACHG) {
    512 		switch (sc->mii_mpd_oui) {
    513 		case MII_OUI_BROADCOM:
    514 			switch (sc->mii_mpd_model) {
    515 			case MII_MODEL_BROADCOM_BCM5400:
    516 				brgphy_bcm5401_dspcode(sc);
    517 				break;
    518 			case MII_MODEL_BROADCOM_BCM5401:
    519 				if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
    520 					brgphy_bcm5401_dspcode(sc);
    521 				break;
    522 			case MII_MODEL_BROADCOM_BCM5411:
    523 				brgphy_bcm5411_dspcode(sc);
    524 				break;
    525 			}
    526 			break;
    527 		}
    528 	}
    529 
    530 	/* Callback if something changed. */
    531 	mii_phy_update(sc, cmd);
    532 	return (0);
    533 }
    534 
    535 static void
    536 brgphy_copper_status(struct mii_softc *sc)
    537 {
    538 	struct mii_data *mii = sc->mii_pdata;
    539 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    540 	int bmcr, bmsr, auxsts, gtsr;
    541 
    542 	mii->mii_media_status = IFM_AVALID;
    543 	mii->mii_media_active = IFM_ETHER;
    544 
    545 	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    546 	if (bmsr & BMSR_LINK)
    547 		mii->mii_media_status |= IFM_ACTIVE;
    548 
    549 	bmcr = PHY_READ(sc, MII_BMCR);
    550 	if (bmcr & BMCR_ISO) {
    551 		mii->mii_media_active |= IFM_NONE;
    552 		mii->mii_media_status = 0;
    553 		return;
    554 	}
    555 
    556 	if (bmcr & BMCR_LOOP)
    557 		mii->mii_media_active |= IFM_LOOP;
    558 
    559 	if (bmcr & BMCR_AUTOEN) {
    560 		/*
    561 		 * The media status bits are only valid of autonegotiation
    562 		 * has completed (or it's disabled).
    563 		 */
    564 		if ((bmsr & BMSR_ACOMP) == 0) {
    565 			/* Erg, still trying, I guess... */
    566 			mii->mii_media_active |= IFM_NONE;
    567 			return;
    568 		}
    569 
    570 		auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS);
    571 
    572 		switch (auxsts & BRGPHY_AUXSTS_AN_RES) {
    573 		case BRGPHY_RES_1000FD:
    574 			mii->mii_media_active |= IFM_1000_T | IFM_FDX;
    575 			gtsr = PHY_READ(sc, MII_100T2SR);
    576 			if (gtsr & GTSR_MS_RES)
    577 				mii->mii_media_active |= IFM_ETH_MASTER;
    578 			break;
    579 
    580 		case BRGPHY_RES_1000HD:
    581 			mii->mii_media_active |= IFM_1000_T | IFM_HDX;
    582 			gtsr = PHY_READ(sc, MII_100T2SR);
    583 			if (gtsr & GTSR_MS_RES)
    584 				mii->mii_media_active |= IFM_ETH_MASTER;
    585 			break;
    586 
    587 		case BRGPHY_RES_100FD:
    588 			mii->mii_media_active |= IFM_100_TX | IFM_FDX;
    589 			break;
    590 
    591 		case BRGPHY_RES_100T4:
    592 			mii->mii_media_active |= IFM_100_T4 | IFM_HDX;
    593 			break;
    594 
    595 		case BRGPHY_RES_100HD:
    596 			mii->mii_media_active |= IFM_100_TX | IFM_HDX;
    597 			break;
    598 
    599 		case BRGPHY_RES_10FD:
    600 			mii->mii_media_active |= IFM_10_T | IFM_FDX;
    601 			break;
    602 
    603 		case BRGPHY_RES_10HD:
    604 			mii->mii_media_active |= IFM_10_T | IFM_HDX;
    605 			break;
    606 
    607 		default:
    608 			mii->mii_media_active |= IFM_NONE;
    609 			mii->mii_media_status = 0;
    610 		}
    611 
    612 		if (mii->mii_media_active & IFM_FDX)
    613 			mii->mii_media_active |= mii_phy_flowstatus(sc);
    614 
    615 	} else
    616 		mii->mii_media_active = ife->ifm_media;
    617 }
    618 
    619 void
    620 brgphy_fiber_status(struct mii_softc *sc)
    621 {
    622 	struct mii_data *mii = sc->mii_pdata;
    623 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    624 	int bmcr, bmsr;
    625 
    626 	mii->mii_media_status = IFM_AVALID;
    627 	mii->mii_media_active = IFM_ETHER;
    628 
    629 	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    630 	if (bmsr & BMSR_LINK)
    631 		mii->mii_media_status |= IFM_ACTIVE;
    632 
    633 	bmcr = PHY_READ(sc, MII_BMCR);
    634 	if (bmcr & BMCR_LOOP)
    635 		mii->mii_media_active |= IFM_LOOP;
    636 
    637 	if (bmcr & BMCR_AUTOEN) {
    638 		int val;
    639 
    640 		if ((bmsr & BMSR_ACOMP) == 0) {
    641 			/* Erg, still trying, I guess... */
    642 			mii->mii_media_active |= IFM_NONE;
    643 			return;
    644 		}
    645 
    646 		mii->mii_media_active |= IFM_1000_SX;
    647 
    648 		val = PHY_READ(sc, MII_ANAR) &
    649 		      PHY_READ(sc, MII_ANLPAR);
    650 
    651 		if (val & ANAR_X_FD)
    652 			mii->mii_media_active |= IFM_FDX;
    653 		else
    654 			mii->mii_media_active |= IFM_HDX;
    655 
    656 		if (mii->mii_media_active & IFM_FDX)
    657 			mii->mii_media_active |= mii_phy_flowstatus(sc);
    658 	} else
    659 		mii->mii_media_active = ife->ifm_media;
    660 }
    661 
    662 void
    663 brgphy_5708s_status(struct mii_softc *sc)
    664 {
    665 	struct mii_data *mii = sc->mii_pdata;
    666 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    667 	int bmcr, bmsr;
    668 
    669 	mii->mii_media_status = IFM_AVALID;
    670 	mii->mii_media_active = IFM_ETHER;
    671 
    672 	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    673 	if (bmsr & BMSR_LINK)
    674 		mii->mii_media_status |= IFM_ACTIVE;
    675 
    676 	bmcr = PHY_READ(sc, MII_BMCR);
    677 	if (bmcr & BMCR_LOOP)
    678 		mii->mii_media_active |= IFM_LOOP;
    679 
    680 	if (bmcr & BMCR_AUTOEN) {
    681 		int xstat;
    682 
    683 		if ((bmsr & BMSR_ACOMP) == 0) {
    684 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    685 			    BRGPHY_5708S_DIG_PG0);
    686 			xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
    687 			if ((xstat & BRGPHY_5708S_PG0_1000X_STAT1_LINK) == 0) {
    688 				/* Erg, still trying, I guess... */
    689 				mii->mii_media_active |= IFM_NONE;
    690 				return;
    691 			}
    692 		}
    693 
    694 		PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    695 		    BRGPHY_5708S_DIG_PG0);
    696 		xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
    697 
    698 		switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
    699 		case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
    700 			mii->mii_media_active |= IFM_10_FL;
    701 			break;
    702 		case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
    703 			mii->mii_media_active |= IFM_100_FX;
    704 			break;
    705 		case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
    706 			mii->mii_media_active |= IFM_1000_SX;
    707 			break;
    708 		case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
    709 			mii->mii_media_active |= IFM_2500_SX;
    710 			break;
    711 		}
    712 
    713 		if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
    714 			mii->mii_media_active |= IFM_FDX;
    715 		else
    716 			mii->mii_media_active |= IFM_HDX;
    717 
    718 		if (mii->mii_media_active & IFM_FDX) {
    719 			if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_TX_PAUSE)
    720 				mii->mii_media_active |= IFM_FLOW | IFM_ETH_TXPAUSE;
    721 			if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_RX_PAUSE)
    722 				mii->mii_media_active |= IFM_FLOW | IFM_ETH_RXPAUSE;
    723 		}
    724 	} else
    725 		mii->mii_media_active = ife->ifm_media;
    726 }
    727 
    728 static void
    729 brgphy_5709s_status(struct mii_softc *sc)
    730 {
    731 	struct mii_data *mii = sc->mii_pdata;
    732 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    733 	int bmcr, bmsr, auxsts;
    734 
    735 	mii->mii_media_status = IFM_AVALID;
    736 	mii->mii_media_active = IFM_ETHER;
    737 
    738 	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    739 	if (bmsr & BMSR_LINK)
    740 		mii->mii_media_status |= IFM_ACTIVE;
    741 
    742 	bmcr = PHY_READ(sc, MII_BMCR);
    743 	if (bmcr & BMCR_ISO) {
    744 		mii->mii_media_active |= IFM_NONE;
    745 		mii->mii_media_status = 0;
    746 		return;
    747 	}
    748 
    749 	if (bmcr & BMCR_LOOP)
    750 		mii->mii_media_active |= IFM_LOOP;
    751 
    752 	if (bmcr & BMCR_AUTOEN) {
    753 		/*
    754 		 * The media status bits are only valid of autonegotiation
    755 		 * has completed (or it's disabled).
    756 		 */
    757 		if ((bmsr & BMSR_ACOMP) == 0) {
    758 			/* Erg, still trying, I guess... */
    759 			mii->mii_media_active |= IFM_NONE;
    760 			return;
    761 		}
    762 
    763 		/* 5709S has its own general purpose status registers */
    764 		PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    765 		    BRGPHY_BLOCK_ADDR_GP_STATUS);
    766 		auxsts = PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS);
    767 
    768 		PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    769 		    BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
    770 
    771 		switch (auxsts & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) {
    772 		case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10:
    773 			mii->mii_media_active |= IFM_10_FL;
    774 			break;
    775 		case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100:
    776 			mii->mii_media_active |= IFM_100_FX;
    777 			break;
    778 		case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G:
    779 			mii->mii_media_active |= IFM_1000_SX;
    780 			break;
    781 		case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G:
    782 			mii->mii_media_active |= IFM_2500_SX;
    783 			break;
    784 		default:
    785 			mii->mii_media_active |= IFM_NONE;
    786 			mii->mii_media_status = 0;
    787 			break;
    788 		}
    789 
    790 		if (auxsts & BRGPHY_GP_STATUS_TOP_ANEG_FDX)
    791 			mii->mii_media_active |= IFM_FDX;
    792 		else
    793 			mii->mii_media_active |= IFM_HDX;
    794 
    795 		if (mii->mii_media_active & IFM_FDX)
    796 			mii->mii_media_active |= mii_phy_flowstatus(sc);
    797 	} else
    798 		mii->mii_media_active = ife->ifm_media;
    799 }
    800 
    801 int
    802 brgphy_mii_phy_auto(struct mii_softc *sc)
    803 {
    804 	int anar, ktcr = 0;
    805 
    806 	sc->mii_ticks = 0;
    807 	brgphy_loop(sc);
    808 	PHY_RESET(sc);
    809 
    810 	if (sc->mii_flags & MIIF_HAVEFIBER) {
    811 		anar = ANAR_X_FD | ANAR_X_HD;
    812 		if (sc->mii_flags & MIIF_DOPAUSE)
    813 			anar |= ANAR_X_PAUSE_TOWARDS;
    814 	} else {
    815 		anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
    816 		if (sc->mii_flags & MIIF_DOPAUSE)
    817 			anar |= ANAR_FC | ANAR_PAUSE_ASYM;
    818 		ktcr = GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
    819 		if ((sc->mii_mpd_oui == MII_OUI_BROADCOM)
    820 		    && (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701))
    821 			ktcr |= GTCR_MAN_MS | GTCR_ADV_MS;
    822 		PHY_WRITE(sc, MII_100T2CR, ktcr);
    823 		ktcr = PHY_READ(sc, MII_100T2CR);
    824 	}
    825 	PHY_WRITE(sc, MII_ANAR, anar);
    826 
    827 	/* Start autonegotiation */
    828 	PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG);
    829 	PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
    830 
    831 	return (EJUSTRETURN);
    832 }
    833 
    834 void
    835 brgphy_loop(struct mii_softc *sc)
    836 {
    837 	uint32_t bmsr;
    838 	int i;
    839 
    840 	PHY_WRITE(sc, MII_BMCR, BMCR_LOOP);
    841 	for (i = 0; i < 15000; i++) {
    842 		bmsr = PHY_READ(sc, MII_BMSR);
    843 		if (!(bmsr & BMSR_LINK))
    844 			break;
    845 		DELAY(10);
    846 	}
    847 }
    848 
    849 static void
    850 brgphy_reset(struct mii_softc *sc)
    851 {
    852 	struct brgphy_softc *bsc = device_private(sc->mii_dev);
    853 
    854 	mii_phy_reset(sc);
    855 	switch (sc->mii_mpd_oui) {
    856 	case MII_OUI_BROADCOM:
    857 		switch (sc->mii_mpd_model) {
    858 		case MII_MODEL_BROADCOM_BCM5400:
    859 			brgphy_bcm5401_dspcode(sc);
    860 			break;
    861 		case MII_MODEL_BROADCOM_BCM5401:
    862 			if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
    863 				brgphy_bcm5401_dspcode(sc);
    864 			break;
    865 		case MII_MODEL_BROADCOM_BCM5411:
    866 			brgphy_bcm5411_dspcode(sc);
    867 			break;
    868 		case MII_MODEL_BROADCOM_BCM5421:
    869 			brgphy_bcm5421_dspcode(sc);
    870 			break;
    871 		case MII_MODEL_BROADCOM_BCM54K2:
    872 			brgphy_bcm54k2_dspcode(sc);
    873 			break;
    874 		}
    875 		break;
    876 	case MII_OUI_BROADCOM3:
    877 		switch (sc->mii_mpd_model) {
    878 		case MII_MODEL_BROADCOM3_BCM5717C:
    879 		case MII_MODEL_BROADCOM3_BCM5719C:
    880 		case MII_MODEL_BROADCOM3_BCM5720C:
    881 		case MII_MODEL_BROADCOM3_BCM57765:
    882 			return;
    883 		}
    884 		break;
    885 	default:
    886 		break;
    887 	}
    888 
    889 	/* Handle any bge (NetXtreme/NetLink) workarounds. */
    890 	if (bsc->sc_isbge) {
    891 		if (!(sc->mii_flags & MIIF_HAVEFIBER)) {
    892 
    893 			if (bsc->sc_phyflags & BGEPHYF_ADC_BUG)
    894 				brgphy_adc_bug(sc);
    895 			if (bsc->sc_phyflags & BGEPHYF_5704_A0_BUG)
    896 				brgphy_5704_a0_bug(sc);
    897 			if (bsc->sc_phyflags & BGEPHYF_BER_BUG)
    898 				brgphy_ber_bug(sc);
    899 			else if (bsc->sc_phyflags & BGEPHYF_JITTER_BUG) {
    900 				PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0c00);
    901 				PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG,
    902 				    0x000a);
    903 
    904 				if (bsc->sc_phyflags
    905 				    & BGEPHYF_ADJUST_TRIM) {
    906 					PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT,
    907 					    0x110b);
    908 					PHY_WRITE(sc, BRGPHY_TEST1,
    909 					    BRGPHY_TEST1_TRIM_EN | 0x4);
    910 				} else {
    911 					PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT,
    912 					    0x010b);
    913 				}
    914 
    915 				PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0400);
    916 			}
    917 			if (bsc->sc_phyflags & BGEPHYF_CRC_BUG)
    918 				brgphy_crc_bug(sc);
    919 
    920 			/* Set Jumbo frame settings in the PHY. */
    921 			if (bsc->sc_phyflags & BGEPHYF_JUMBO_CAPABLE)
    922 				brgphy_jumbo_settings(sc);
    923 
    924 			/* Adjust output voltage */
    925 			if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    926 			    && (sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5906))
    927 				PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
    928 
    929 			/* Enable Ethernet@Wirespeed */
    930 			if (!(bsc->sc_phyflags & BGEPHYF_NO_WIRESPEED))
    931 				brgphy_eth_wirespeed(sc);
    932 
    933 #if 0
    934 			/* Enable Link LED on Dell boxes */
    935 			if (bsc->sc_phyflags & BGEPHYF_NO_3LED) {
    936 				PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
    937 				PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL)
    938 					& ~BRGPHY_PHY_EXTCTL_3_LED);
    939 			}
    940 #endif
    941 		}
    942 	/* Handle any bnx (NetXtreme II) workarounds. */
    943 	} else if (bsc->sc_isbnx) {
    944 		if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    945 		    && sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5708S) {
    946 			/* Store autoneg capabilities/results in digital block (Page 0) */
    947 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
    948 			PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
    949 				BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
    950 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
    951 
    952 			/* Enable fiber mode and autodetection */
    953 			PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
    954 				PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
    955 				BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
    956 				BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
    957 
    958 			/* Enable parallel detection */
    959 			PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
    960 				PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
    961 				BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
    962 
    963 			/* Advertise 2.5G support through next page during autoneg */
    964 			if (bsc->sc_phyflags & BNX_PHY_2_5G_CAPABLE_FLAG)
    965 				PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
    966 					PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
    967 					BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
    968 
    969 			/* Increase TX signal amplitude */
    970 			if ((_BNX_CHIP_ID(bsc->sc_chipid) == BNX_CHIP_ID_5708_A0) ||
    971 			    (_BNX_CHIP_ID(bsc->sc_chipid) == BNX_CHIP_ID_5708_B0) ||
    972 			    (_BNX_CHIP_ID(bsc->sc_chipid) == BNX_CHIP_ID_5708_B1)) {
    973 				PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    974 					BRGPHY_5708S_TX_MISC_PG5);
    975 				PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
    976 					PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) &
    977 					~BRGPHY_5708S_PG5_TXACTL1_VCM);
    978 				PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    979 					BRGPHY_5708S_DIG_PG0);
    980 			}
    981 
    982 			/* Backplanes use special driver/pre-driver/pre-emphasis values. */
    983 			if ((bsc->sc_shared_hwcfg & BNX_SHARED_HW_CFG_PHY_BACKPLANE) &&
    984 			    (bsc->sc_port_hwcfg & BNX_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
    985 					PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    986 						BRGPHY_5708S_TX_MISC_PG5);
    987 					PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
    988 						bsc->sc_port_hwcfg &
    989 						BNX_PORT_HW_CFG_CFG_TXCTL3_MASK);
    990 					PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    991 						BRGPHY_5708S_DIG_PG0);
    992 			}
    993 		} else if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    994 		    && (sc->mii_mpd_model ==  MII_MODEL_BROADCOM2_BCM5709S)) {
    995 			/* Select the SerDes Digital block of the AN MMD. */
    996 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    997 			    BRGPHY_BLOCK_ADDR_SERDES_DIG);
    998 
    999 			PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1,
   1000 			    (PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1) &
   1001 			    ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET) |
   1002 			    BRGPHY_SD_DIG_1000X_CTL1_FIBER);
   1003 
   1004 			if (bsc->sc_phyflags & BNX_PHY_2_5G_CAPABLE_FLAG) {
   1005 				/* Select the Over 1G block of the AN MMD. */
   1006 				PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
   1007 				    BRGPHY_BLOCK_ADDR_OVER_1G);
   1008 
   1009 				/*
   1010 				 * Enable autoneg "Next Page" to advertise
   1011 				 * 2.5G support.
   1012 				 */
   1013 				PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1,
   1014 				    PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1) |
   1015 				    BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
   1016 			}
   1017 
   1018                         /*
   1019                          * Select the Multi-Rate Backplane Ethernet block of
   1020                          * the AN MMD.
   1021                          */
   1022                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
   1023                             BRGPHY_BLOCK_ADDR_MRBE);
   1024 
   1025                         /* Enable MRBE speed autoneg. */
   1026                         PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP,
   1027                             PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP) |
   1028                             BRGPHY_MRBE_MSG_PG5_NP_MBRE |
   1029                             BRGPHY_MRBE_MSG_PG5_NP_T2);
   1030 
   1031                         /* Select the Clause 73 User B0 block of the AN MMD. */
   1032                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
   1033                             BRGPHY_BLOCK_ADDR_CL73_USER_B0);
   1034 
   1035                         /* Enable MRBE speed autoneg. */
   1036                         PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1,
   1037                             BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP |
   1038                             BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR |
   1039                             BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG);
   1040 
   1041                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
   1042                             BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
   1043 
   1044 		} else if (_BNX_CHIP_NUM(bsc->sc_chipid) == BNX_CHIP_NUM_5709) {
   1045 			if (_BNX_CHIP_REV(bsc->sc_chipid) == BNX_CHIP_REV_Ax ||
   1046 			    _BNX_CHIP_REV(bsc->sc_chipid) == BNX_CHIP_REV_Bx)
   1047 				brgphy_disable_early_dac(sc);
   1048 
   1049 			/* Set Jumbo frame settings in the PHY. */
   1050 			brgphy_jumbo_settings(sc);
   1051 
   1052 			/* Enable Ethernet@Wirespeed */
   1053 			brgphy_eth_wirespeed(sc);
   1054 		} else {
   1055 			if (!(sc->mii_flags & MIIF_HAVEFIBER)) {
   1056 				brgphy_ber_bug(sc);
   1057 
   1058 				/* Set Jumbo frame settings in the PHY. */
   1059 				brgphy_jumbo_settings(sc);
   1060 
   1061 				/* Enable Ethernet@Wirespeed */
   1062 				brgphy_eth_wirespeed(sc);
   1063 			}
   1064 		}
   1065 	}
   1066 }
   1067 
   1068 /* Turn off tap power management on 5401. */
   1069 static void
   1070 brgphy_bcm5401_dspcode(struct mii_softc *sc)
   1071 {
   1072 	static const struct {
   1073 		int		reg;
   1074 		uint16_t	val;
   1075 	} dspcode[] = {
   1076 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
   1077 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
   1078 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
   1079 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
   1080 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
   1081 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
   1082 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
   1083 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
   1084 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
   1085 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
   1086 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
   1087 		{ 0,				0 },
   1088 	};
   1089 	int i;
   1090 
   1091 	for (i = 0; dspcode[i].reg != 0; i++)
   1092 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1093 	delay(40);
   1094 }
   1095 
   1096 static void
   1097 brgphy_bcm5411_dspcode(struct mii_softc *sc)
   1098 {
   1099 	static const struct {
   1100 		int		reg;
   1101 		uint16_t	val;
   1102 	} dspcode[] = {
   1103 		{ 0x1c,				0x8c23 },
   1104 		{ 0x1c,				0x8ca3 },
   1105 		{ 0x1c,				0x8c23 },
   1106 		{ 0,				0 },
   1107 	};
   1108 	int i;
   1109 
   1110 	for (i = 0; dspcode[i].reg != 0; i++)
   1111 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1112 }
   1113 
   1114 void
   1115 brgphy_bcm5421_dspcode(struct mii_softc *sc)
   1116 {
   1117 	uint16_t data;
   1118 
   1119 	/* Set Class A mode */
   1120 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x1007);
   1121 	data = PHY_READ(sc, BRGPHY_MII_AUXCTL);
   1122 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0400);
   1123 
   1124 	/* Set FFE gamma override to -0.125 */
   1125 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0007);
   1126 	data = PHY_READ(sc, BRGPHY_MII_AUXCTL);
   1127 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0800);
   1128 	PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a);
   1129 	data = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
   1130 	PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, data | 0x0200);
   1131 }
   1132 
   1133 void
   1134 brgphy_bcm54k2_dspcode(struct mii_softc *sc)
   1135 {
   1136 	static const struct {
   1137 		int		reg;
   1138 		uint16_t	val;
   1139 	} dspcode[] = {
   1140 		{ 4,				0x01e1 },
   1141 		{ 9,				0x0300 },
   1142 		{ 0,				0 },
   1143 	};
   1144 	int i;
   1145 
   1146 	for (i = 0; dspcode[i].reg != 0; i++)
   1147 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1148 }
   1149 
   1150 static void
   1151 brgphy_adc_bug(struct mii_softc *sc)
   1152 {
   1153 	static const struct {
   1154 		int		reg;
   1155 		uint16_t	val;
   1156 	} dspcode[] = {
   1157 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
   1158 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
   1159 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
   1160 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
   1161 		{ BRGPHY_MII_DSP_RW_PORT,	0x0323 },
   1162 		{ BRGPHY_MII_AUXCTL,		0x0400 },
   1163 		{ 0,				0 },
   1164 	};
   1165 	int i;
   1166 
   1167 	for (i = 0; dspcode[i].reg != 0; i++)
   1168 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1169 }
   1170 
   1171 static void
   1172 brgphy_5704_a0_bug(struct mii_softc *sc)
   1173 {
   1174 	static const struct {
   1175 		int		reg;
   1176 		uint16_t	val;
   1177 	} dspcode[] = {
   1178 		{ 0x1c,				0x8d68 },
   1179 		{ 0x1c,				0x8d68 },
   1180 		{ 0,				0 },
   1181 	};
   1182 	int i;
   1183 
   1184 	for (i = 0; dspcode[i].reg != 0; i++)
   1185 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1186 }
   1187 
   1188 static void
   1189 brgphy_ber_bug(struct mii_softc *sc)
   1190 {
   1191 	static const struct {
   1192 		int		reg;
   1193 		uint16_t	val;
   1194 	} dspcode[] = {
   1195 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
   1196 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
   1197 		{ BRGPHY_MII_DSP_RW_PORT,	0x310b },
   1198 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
   1199 		{ BRGPHY_MII_DSP_RW_PORT,	0x9506 },
   1200 		{ BRGPHY_MII_DSP_ADDR_REG,	0x401f },
   1201 		{ BRGPHY_MII_DSP_RW_PORT,	0x14e2 },
   1202 		{ BRGPHY_MII_AUXCTL,		0x0400 },
   1203 		{ 0,				0 },
   1204 	};
   1205 	int i;
   1206 
   1207 	for (i = 0; dspcode[i].reg != 0; i++)
   1208 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1209 }
   1210 
   1211 /* BCM5701 A0/B0 CRC bug workaround */
   1212 void
   1213 brgphy_crc_bug(struct mii_softc *sc)
   1214 {
   1215 	static const struct {
   1216 		int		reg;
   1217 		uint16_t	val;
   1218 	} dspcode[] = {
   1219 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0a75 },
   1220 		{ 0x1c,				0x8c68 },
   1221 		{ 0x1c,				0x8d68 },
   1222 		{ 0x1c,				0x8c68 },
   1223 		{ 0,				0 },
   1224 	};
   1225 	int i;
   1226 
   1227 	for (i = 0; dspcode[i].reg != 0; i++)
   1228 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1229 }
   1230 
   1231 static void
   1232 brgphy_disable_early_dac(struct mii_softc *sc)
   1233 {
   1234 	uint32_t val;
   1235 
   1236 	PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
   1237 	val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
   1238 	val &= ~(1 << 8);
   1239 	PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
   1240 
   1241 }
   1242 
   1243 static void
   1244 brgphy_jumbo_settings(struct mii_softc *sc)
   1245 {
   1246 	uint32_t val;
   1247 
   1248 	/* Set Jumbo frame settings in the PHY. */
   1249 	if ((sc->mii_mpd_oui == MII_OUI_BROADCOM)
   1250 	    && (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401)) {
   1251 		/* Cannot do read-modify-write on the BCM5401 */
   1252 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
   1253 	} else {
   1254 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
   1255 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
   1256 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
   1257 			val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
   1258 	}
   1259 
   1260 	val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
   1261 	PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
   1262 		val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
   1263 }
   1264 
   1265 static void
   1266 brgphy_eth_wirespeed(struct mii_softc *sc)
   1267 {
   1268 	uint32_t val;
   1269 
   1270 	/* Enable Ethernet@Wirespeed */
   1271 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
   1272 	val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
   1273 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
   1274 		(val | (1 << 15) | (1 << 4)));
   1275 }
   1276