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brgphy.c revision 1.59.8.3
      1 /*	$NetBSD: brgphy.c,v 1.59.8.3 2013/11/17 18:24:05 bouyer 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 1.59.8.3 2013/11/17 18:24:05 bouyer 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 };
     96 
     97 CFATTACH_DECL3_NEW(brgphy, sizeof(struct brgphy_softc),
     98     brgphymatch, brgphyattach, mii_phy_detach, mii_phy_activate, NULL, NULL,
     99     DVF_DETACH_SHUTDOWN);
    100 
    101 static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
    102 static void	brgphy_status(struct mii_softc *);
    103 static int	brgphy_mii_phy_auto(struct mii_softc *);
    104 static void	brgphy_loop(struct mii_softc *);
    105 static void	brgphy_reset(struct mii_softc *);
    106 static void	brgphy_bcm5401_dspcode(struct mii_softc *);
    107 static void	brgphy_bcm5411_dspcode(struct mii_softc *);
    108 static void	brgphy_bcm5421_dspcode(struct mii_softc *);
    109 static void	brgphy_bcm54k2_dspcode(struct mii_softc *);
    110 static void	brgphy_adc_bug(struct mii_softc *);
    111 static void	brgphy_5704_a0_bug(struct mii_softc *);
    112 static void	brgphy_ber_bug(struct mii_softc *);
    113 static void	brgphy_crc_bug(struct mii_softc *);
    114 static void	brgphy_disable_early_dac(struct mii_softc *);
    115 static void	brgphy_jumbo_settings(struct mii_softc *);
    116 static void	brgphy_eth_wirespeed(struct mii_softc *);
    117 
    118 
    119 static const struct mii_phy_funcs brgphy_funcs = {
    120 	brgphy_service, brgphy_status, brgphy_reset,
    121 };
    122 
    123 static const struct mii_phydesc brgphys[] = {
    124 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5400,
    125 	  MII_STR_BROADCOM_BCM5400 },
    126 
    127 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5401,
    128 	  MII_STR_BROADCOM_BCM5401 },
    129 
    130 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5411,
    131 	  MII_STR_BROADCOM_BCM5411 },
    132 
    133 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5421,
    134 	  MII_STR_BROADCOM_BCM5421 },
    135 
    136 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5462,
    137 	  MII_STR_BROADCOM_BCM5462 },
    138 
    139 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5461,
    140 	  MII_STR_BROADCOM_BCM5461 },
    141 
    142 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM54K2,
    143 	  MII_STR_BROADCOM_BCM54K2 },
    144 
    145 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5464,
    146 	  MII_STR_BROADCOM_BCM5464 },
    147 
    148 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5701,
    149 	  MII_STR_BROADCOM_BCM5701 },
    150 
    151 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5703,
    152 	  MII_STR_BROADCOM_BCM5703 },
    153 
    154 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5704,
    155 	  MII_STR_BROADCOM_BCM5704 },
    156 
    157 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5705,
    158 	  MII_STR_BROADCOM_BCM5705 },
    159 
    160 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5714,
    161 	  MII_STR_BROADCOM_BCM5714 },
    162 
    163 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5750,
    164 	  MII_STR_BROADCOM_BCM5750 },
    165 
    166 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5752,
    167 	  MII_STR_BROADCOM_BCM5752 },
    168 
    169 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5780,
    170 	  MII_STR_BROADCOM_BCM5780 },
    171 
    172 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5708C,
    173 	  MII_STR_BROADCOM_BCM5708C },
    174 
    175 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5481,
    176 	  MII_STR_BROADCOM2_BCM5481 },
    177 
    178 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5482,
    179 	  MII_STR_BROADCOM2_BCM5482 },
    180 
    181 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5709C,
    182 	  MII_STR_BROADCOM2_BCM5709C },
    183 
    184 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5709S,
    185 	  MII_STR_BROADCOM2_BCM5709S },
    186 
    187 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5709CAX,
    188 	  MII_STR_BROADCOM2_BCM5709CAX },
    189 
    190 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5722,
    191 	  MII_STR_BROADCOM2_BCM5722 },
    192 
    193 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5754,
    194 	  MII_STR_BROADCOM2_BCM5754 },
    195 
    196 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5755,
    197 	  MII_STR_BROADCOM2_BCM5755 },
    198 
    199 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5756,
    200 	  MII_STR_BROADCOM2_BCM5756 },
    201 
    202 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5761,
    203 	  MII_STR_BROADCOM2_BCM5761 },
    204 
    205 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5784,
    206 	  MII_STR_BROADCOM2_BCM5784 },
    207 
    208 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5785,
    209 	  MII_STR_BROADCOM2_BCM5785 },
    210 
    211 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM5717C,
    212 	  MII_STR_BROADCOM3_BCM5717C },
    213 
    214 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM5719C,
    215 	  MII_STR_BROADCOM3_BCM5719C },
    216 
    217 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM5720C,
    218 	  MII_STR_BROADCOM3_BCM5720C },
    219 
    220 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM57765,
    221 	  MII_STR_BROADCOM3_BCM57765 },
    222 
    223 	{ MII_OUI_BROADCOM3,		MII_MODEL_BROADCOM3_BCM57780,
    224 	  MII_STR_BROADCOM3_BCM57780 },
    225 
    226 	{ MII_OUI_xxBROADCOM_ALT1,	MII_MODEL_xxBROADCOM_ALT1_BCM5906,
    227 	  MII_STR_xxBROADCOM_ALT1_BCM5906 },
    228 
    229 	{ 0,				0,
    230 	  NULL },
    231 };
    232 
    233 static int
    234 brgphymatch(device_t parent, cfdata_t match, void *aux)
    235 {
    236 	struct mii_attach_args *ma = aux;
    237 
    238 	if (mii_phy_match(ma, brgphys) != NULL)
    239 		return (10);
    240 
    241 	return (0);
    242 }
    243 
    244 static void
    245 brgphyattach(device_t parent, device_t self, void *aux)
    246 {
    247 	struct brgphy_softc *bsc = device_private(self);
    248 	struct mii_softc *sc = &bsc->sc_mii;
    249 	struct mii_attach_args *ma = aux;
    250 	struct mii_data *mii = ma->mii_data;
    251 	const struct mii_phydesc *mpd;
    252 	prop_dictionary_t dict;
    253 
    254 	mpd = mii_phy_match(ma, brgphys);
    255 	aprint_naive(": Media interface\n");
    256 	aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
    257 
    258 	sc->mii_dev = self;
    259 	sc->mii_inst = mii->mii_instance;
    260 	sc->mii_phy = ma->mii_phyno;
    261 	sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
    262 	sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
    263 	sc->mii_mpd_rev = MII_REV(ma->mii_id2);
    264 	sc->mii_pdata = mii;
    265 	sc->mii_flags = ma->mii_flags;
    266 	sc->mii_anegticks = MII_ANEGTICKS;
    267 	sc->mii_funcs = &brgphy_funcs;
    268 
    269 	if (device_is_a(parent, "bge"))
    270 		bsc->sc_isbge = true;
    271 	else if (device_is_a(parent, "bnx"))
    272 		bsc->sc_isbnx = true;
    273 
    274 	if (bsc->sc_isbge || bsc->sc_isbnx) {
    275 		dict = device_properties(parent);
    276 		if (!prop_dictionary_get_uint32(dict, "phyflags",
    277 		    &bsc->sc_phyflags))
    278 			aprint_error_dev(self, "failed to get phyflags\n");
    279 		if (!prop_dictionary_get_uint32(dict, "chipid",
    280 		    &bsc->sc_chipid))
    281 			aprint_error_dev(self, "failed to get chipid\n");
    282 	}
    283 
    284 	PHY_RESET(sc);
    285 
    286 	sc->mii_capabilities =
    287 	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
    288 	if (sc->mii_capabilities & BMSR_EXTSTAT)
    289 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
    290 
    291 	aprint_normal_dev(self, "");
    292 	if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
    293 	    (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
    294 		aprint_error("no media present");
    295 	else {
    296 		if (sc->mii_flags & MIIF_HAVEFIBER) {
    297 			sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
    298 
    299 			/*
    300 			 * Set the proper bits for capabilities so that the
    301 			 * correct media get selected by mii_phy_add_media()
    302 			 */
    303 			sc->mii_capabilities |= BMSR_ANEG;
    304 			sc->mii_capabilities &= ~BMSR_100T4;
    305 			sc->mii_extcapabilities |= EXTSR_1000XFDX;
    306 
    307 			if (bsc->sc_isbnx) {
    308 				/*
    309 				 * 2.5Gb support is a software enabled feature
    310 				 * on the BCM5708S and BCM5709S controllers.
    311 				 */
    312 #define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
    313 				if (bsc->sc_phyflags
    314 				    & BNX_PHY_2_5G_CAPABLE_FLAG) {
    315 					ADD(IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX,
    316 					    IFM_FDX, sc->mii_inst), 0);
    317 					aprint_normal("2500baseSX-FDX, ");
    318 #undef ADD
    319 				}
    320 			}
    321 		}
    322 		mii_phy_add_media(sc);
    323 	}
    324 	aprint_normal("\n");
    325 
    326 }
    327 
    328 static int
    329 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
    330 {
    331 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    332 	int reg, speed, gig;
    333 
    334 	switch (cmd) {
    335 	case MII_POLLSTAT:
    336 		/*
    337 		 * If we're not polling our PHY instance, just return.
    338 		 */
    339 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
    340 			return (0);
    341 		break;
    342 
    343 	case MII_MEDIACHG:
    344 		/*
    345 		 * If the media indicates a different PHY instance,
    346 		 * isolate ourselves.
    347 		 */
    348 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
    349 			reg = PHY_READ(sc, MII_BMCR);
    350 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
    351 			return (0);
    352 		}
    353 
    354 		/*
    355 		 * If the interface is not up, don't do anything.
    356 		 */
    357 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
    358 			break;
    359 
    360 		PHY_RESET(sc); /* XXX hardware bug work-around */
    361 
    362 		switch (IFM_SUBTYPE(ife->ifm_media)) {
    363 		case IFM_AUTO:
    364 			(void) brgphy_mii_phy_auto(sc);
    365 			break;
    366 		case IFM_1000_T:
    367 			speed = BMCR_S1000;
    368 			goto setit;
    369 		case IFM_100_TX:
    370 			speed = BMCR_S100;
    371 			goto setit;
    372 		case IFM_10_T:
    373 			speed = BMCR_S10;
    374 setit:
    375 			brgphy_loop(sc);
    376 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
    377 				speed |= BMCR_FDX;
    378 				gig = GTCR_ADV_1000TFDX;
    379 			} else {
    380 				gig = GTCR_ADV_1000THDX;
    381 			}
    382 
    383 			PHY_WRITE(sc, MII_100T2CR, 0);
    384 			PHY_WRITE(sc, MII_ANAR, ANAR_CSMA);
    385 			PHY_WRITE(sc, MII_BMCR, speed);
    386 
    387 			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
    388 				break;
    389 
    390 			PHY_WRITE(sc, MII_100T2CR, gig);
    391 			PHY_WRITE(sc, MII_BMCR,
    392 			    speed | BMCR_AUTOEN | BMCR_STARTNEG);
    393 
    394 			if ((sc->mii_mpd_oui != MII_OUI_BROADCOM)
    395 			    || (sc->mii_mpd_model != MII_MODEL_BROADCOM_BCM5701))
    396 				break;
    397 
    398 			if (mii->mii_media.ifm_media & IFM_ETH_MASTER)
    399 				gig |= GTCR_MAN_MS | GTCR_ADV_MS;
    400 			PHY_WRITE(sc, MII_100T2CR, gig);
    401 			break;
    402 		default:
    403 			return (EINVAL);
    404 		}
    405 		break;
    406 
    407 	case MII_TICK:
    408 		/*
    409 		 * If we're not currently selected, just return.
    410 		 */
    411 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
    412 			return (0);
    413 
    414 		/*
    415 		 * Is the interface even up?
    416 		 */
    417 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
    418 			return 0;
    419 
    420 		/*
    421 		 * Only used for autonegotiation.
    422 		 */
    423 		if ((IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) &&
    424 		    (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)) {
    425 			sc->mii_ticks = 0;
    426 			break;
    427 		}
    428 
    429 		/*
    430 		 * Check for link.
    431 		 * Read the status register twice; BMSR_LINK is latch-low.
    432 		 */
    433 		reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    434 		if (reg & BMSR_LINK) {
    435 			sc->mii_ticks = 0;
    436 			break;
    437 		}
    438 
    439 		/*
    440 		 * mii_ticks == 0 means it's the first tick after changing the
    441 		 * media or the link became down since the last tick
    442 		 * (see above), so break to update the status.
    443 		 */
    444 		if (sc->mii_ticks++ == 0)
    445 			break;
    446 
    447 		/*
    448 		 * Only retry autonegotiation every mii_anegticks seconds.
    449 		 */
    450 		KASSERT(sc->mii_anegticks != 0);
    451 		if (sc->mii_ticks <= sc->mii_anegticks)
    452 			break;
    453 
    454 		brgphy_mii_phy_auto(sc);
    455 		break;
    456 
    457 	case MII_DOWN:
    458 		mii_phy_down(sc);
    459 		return (0);
    460 	}
    461 
    462 	/* Update the media status. */
    463 	mii_phy_status(sc);
    464 
    465 	/*
    466 	 * Callback if something changed. Note that we need to poke the DSP on
    467 	 * the Broadcom PHYs if the media changes.
    468 	 */
    469 	if (sc->mii_media_active != mii->mii_media_active ||
    470 	    sc->mii_media_status != mii->mii_media_status ||
    471 	    cmd == MII_MEDIACHG) {
    472 		switch (sc->mii_mpd_oui) {
    473 		case MII_OUI_BROADCOM:
    474 			switch (sc->mii_mpd_model) {
    475 			case MII_MODEL_BROADCOM_BCM5400:
    476 				brgphy_bcm5401_dspcode(sc);
    477 				break;
    478 			case MII_MODEL_BROADCOM_BCM5401:
    479 				if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
    480 					brgphy_bcm5401_dspcode(sc);
    481 				break;
    482 			case MII_MODEL_BROADCOM_BCM5411:
    483 				brgphy_bcm5411_dspcode(sc);
    484 				break;
    485 			}
    486 			break;
    487 		}
    488 	}
    489 
    490 	/* Callback if something changed. */
    491 	mii_phy_update(sc, cmd);
    492 	return (0);
    493 }
    494 
    495 static void
    496 brgphy_status(struct mii_softc *sc)
    497 {
    498 	struct mii_data *mii = sc->mii_pdata;
    499 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    500 	int bmcr, bmsr, auxsts, gtsr;
    501 
    502 	mii->mii_media_status = IFM_AVALID;
    503 	mii->mii_media_active = IFM_ETHER;
    504 
    505 	bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
    506 	if (bmsr & BMSR_LINK)
    507 		mii->mii_media_status |= IFM_ACTIVE;
    508 
    509 	bmcr = PHY_READ(sc, MII_BMCR);
    510 	if (bmcr & BMCR_ISO) {
    511 		mii->mii_media_active |= IFM_NONE;
    512 		mii->mii_media_status = 0;
    513 		return;
    514 	}
    515 
    516 	if (bmcr & BMCR_LOOP)
    517 		mii->mii_media_active |= IFM_LOOP;
    518 
    519 	if (bmcr & BMCR_AUTOEN) {
    520 		/*
    521 		 * The media status bits are only valid of autonegotiation
    522 		 * has completed (or it's disabled).
    523 		 */
    524 		if ((bmsr & BMSR_ACOMP) == 0) {
    525 			/* Erg, still trying, I guess... */
    526 			mii->mii_media_active |= IFM_NONE;
    527 			return;
    528 		}
    529 
    530 		if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    531 		    && (sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5709S)) {
    532 			/*
    533 			 * 5709S has its own general purpose status registers
    534 			 */
    535 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    536 			    BRGPHY_BLOCK_ADDR_GP_STATUS);
    537 
    538 			auxsts = PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS);
    539 
    540 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    541 			    BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
    542 
    543 			switch (auxsts & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) {
    544 			case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10:
    545 				mii->mii_media_active |= IFM_10_FL;
    546 				break;
    547 			case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100:
    548 				mii->mii_media_active |= IFM_100_FX;
    549 				break;
    550 			case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G:
    551 				mii->mii_media_active |= IFM_1000_SX;
    552 				break;
    553 			case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G:
    554 				mii->mii_media_active |= IFM_2500_SX;
    555 				break;
    556 			default:
    557 				mii->mii_media_active |= IFM_NONE;
    558 				mii->mii_media_status = 0;
    559 				break;
    560 			}
    561 
    562 			if (auxsts & BRGPHY_GP_STATUS_TOP_ANEG_FDX)
    563 				mii->mii_media_active |= IFM_FDX;
    564 			else
    565 				mii->mii_media_active |= IFM_HDX;
    566 
    567 		} else {
    568 			auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS);
    569 
    570 			switch (auxsts & BRGPHY_AUXSTS_AN_RES) {
    571 			case BRGPHY_RES_1000FD:
    572 				mii->mii_media_active |= IFM_1000_T | IFM_FDX;
    573 				gtsr = PHY_READ(sc, MII_100T2SR);
    574 				if (gtsr & GTSR_MS_RES)
    575 					mii->mii_media_active |= IFM_ETH_MASTER;
    576 				break;
    577 
    578 			case BRGPHY_RES_1000HD:
    579 				mii->mii_media_active |= IFM_1000_T;
    580 				gtsr = PHY_READ(sc, MII_100T2SR);
    581 				if (gtsr & GTSR_MS_RES)
    582 					mii->mii_media_active |= IFM_ETH_MASTER;
    583 				break;
    584 
    585 			case BRGPHY_RES_100FD:
    586 				mii->mii_media_active |= IFM_100_TX | IFM_FDX;
    587 				break;
    588 
    589 			case BRGPHY_RES_100T4:
    590 				mii->mii_media_active |= IFM_100_T4;
    591 				break;
    592 
    593 			case BRGPHY_RES_100HD:
    594 				mii->mii_media_active |= IFM_100_TX;
    595 				break;
    596 
    597 			case BRGPHY_RES_10FD:
    598 				mii->mii_media_active |= IFM_10_T | IFM_FDX;
    599 				break;
    600 
    601 			case BRGPHY_RES_10HD:
    602 				mii->mii_media_active |= IFM_10_T;
    603 				break;
    604 
    605 			default:
    606 				mii->mii_media_active |= IFM_NONE;
    607 				mii->mii_media_status = 0;
    608 			}
    609 		}
    610 
    611 		if (mii->mii_media_active & IFM_FDX)
    612 			mii->mii_media_active |= mii_phy_flowstatus(sc);
    613 
    614 	} else
    615 		mii->mii_media_active = ife->ifm_media;
    616 }
    617 
    618 int
    619 brgphy_mii_phy_auto(struct mii_softc *sc)
    620 {
    621 	int anar, ktcr = 0;
    622 
    623 	brgphy_loop(sc);
    624 	PHY_RESET(sc);
    625 
    626 	ktcr = GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX;
    627 	if ((sc->mii_mpd_oui == MII_OUI_BROADCOM)
    628 	    && (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701))
    629 		ktcr |= GTCR_MAN_MS | GTCR_ADV_MS;
    630 	PHY_WRITE(sc, MII_100T2CR, ktcr);
    631 	ktcr = PHY_READ(sc, MII_100T2CR);
    632 	DELAY(1000);
    633 
    634 	if (sc->mii_flags & MIIF_HAVEFIBER) {
    635 		anar = ANAR_X_FD | ANAR_X_HD;
    636 		if (sc->mii_flags & MIIF_DOPAUSE)
    637 			anar |= BRGPHY_SERDES_ANAR_BOTH_PAUSE;
    638 	} else {
    639 		anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
    640 		if (sc->mii_flags & MIIF_DOPAUSE)
    641 			anar |= ANAR_FC | ANAR_X_PAUSE_ASYM;
    642 	}
    643 	PHY_WRITE(sc, MII_ANAR, anar);
    644 	DELAY(1000);
    645 
    646 	/* Start autonegotiation */
    647 	PHY_WRITE(sc, MII_BMCR,
    648 	    BMCR_AUTOEN | BMCR_STARTNEG);
    649 	PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
    650 
    651 	return (EJUSTRETURN);
    652 }
    653 
    654 void
    655 brgphy_loop(struct mii_softc *sc)
    656 {
    657 	u_int32_t bmsr;
    658 	int i;
    659 
    660 	PHY_WRITE(sc, MII_BMCR, BMCR_LOOP);
    661 	for (i = 0; i < 15000; i++) {
    662 		bmsr = PHY_READ(sc, MII_BMSR);
    663 		if (!(bmsr & BMSR_LINK))
    664 			break;
    665 		DELAY(10);
    666 	}
    667 }
    668 
    669 static void
    670 brgphy_reset(struct mii_softc *sc)
    671 {
    672 	struct brgphy_softc *bsc = device_private(sc->mii_dev);
    673 
    674 	mii_phy_reset(sc);
    675 	switch (sc->mii_mpd_oui) {
    676 	case MII_OUI_BROADCOM:
    677 		switch (sc->mii_mpd_model) {
    678 		case MII_MODEL_BROADCOM_BCM5400:
    679 			brgphy_bcm5401_dspcode(sc);
    680 			break;
    681 		case MII_MODEL_BROADCOM_BCM5401:
    682 			if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
    683 				brgphy_bcm5401_dspcode(sc);
    684 			break;
    685 		case MII_MODEL_BROADCOM_BCM5411:
    686 			brgphy_bcm5411_dspcode(sc);
    687 			break;
    688 		case MII_MODEL_BROADCOM_BCM5421:
    689 			brgphy_bcm5421_dspcode(sc);
    690 			break;
    691 		case MII_MODEL_BROADCOM_BCM54K2:
    692 			brgphy_bcm54k2_dspcode(sc);
    693 			break;
    694 		}
    695 		break;
    696 	case MII_OUI_BROADCOM3:
    697 		switch (sc->mii_mpd_model) {
    698 		case MII_MODEL_BROADCOM3_BCM5717C:
    699 		case MII_MODEL_BROADCOM3_BCM5719C:
    700 		case MII_MODEL_BROADCOM3_BCM5720C:
    701 		case MII_MODEL_BROADCOM3_BCM57765:
    702 			return;
    703 		}
    704 		break;
    705 	default:
    706 		break;
    707 	}
    708 
    709 	/* Handle any bge (NetXtreme/NetLink) workarounds. */
    710 	if (bsc->sc_isbge) {
    711 		if (!(sc->mii_flags & MIIF_HAVEFIBER)) {
    712 
    713 			if (bsc->sc_phyflags & BGE_PHY_ADC_BUG)
    714 				brgphy_adc_bug(sc);
    715 			if (bsc->sc_phyflags & BGE_PHY_5704_A0_BUG)
    716 				brgphy_5704_a0_bug(sc);
    717 			if (bsc->sc_phyflags & BGE_PHY_BER_BUG)
    718 				brgphy_ber_bug(sc);
    719 			else if (bsc->sc_phyflags & BGE_PHY_JITTER_BUG) {
    720 				PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0c00);
    721 				PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG,
    722 				    0x000a);
    723 
    724 				if (bsc->sc_phyflags
    725 				    & BGE_PHY_ADJUST_TRIM) {
    726 					PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT,
    727 					    0x110b);
    728 					PHY_WRITE(sc, BRGPHY_TEST1,
    729 					    BRGPHY_TEST1_TRIM_EN | 0x4);
    730 				} else {
    731 					PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT,
    732 					    0x010b);
    733 				}
    734 
    735 				PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0400);
    736 			}
    737 			if (bsc->sc_phyflags & BGEPHYF_CRC_BUG)
    738 				brgphy_crc_bug(sc);
    739 
    740 			/* Set Jumbo frame settings in the PHY. */
    741 			if (bsc->sc_phyflags & BGEPHYF_JUMBO_CAPABLE)
    742 				brgphy_jumbo_settings(sc);
    743 
    744 			/* Adjust output voltage */
    745 			if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    746 			    && (sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5906))
    747 				PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
    748 
    749 			/* Enable Ethernet@Wirespeed */
    750 			if (!(bsc->sc_phyflags & BGE_PHY_NO_WIRESPEED))
    751 				brgphy_eth_wirespeed(sc);
    752 
    753 #if 0
    754 			/* Enable Link LED on Dell boxes */
    755 			if (bsc->sc_phyflags & BGE_PHY_NO_3LED) {
    756 				PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
    757 				PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL)
    758 					& ~BRGPHY_PHY_EXTCTL_3_LED);
    759 			}
    760 #endif
    761 		}
    762 	/* Handle any bnx (NetXtreme II) workarounds. */
    763 	} else if (bsc->sc_isbnx) {
    764 #if 0 /* not yet */
    765 		if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    766 		    && sc->mii_mpd_model == MII_MODEL_BROADCOM2_BCM5708S) {
    767 			/* Store autoneg capabilities/results in digital block (Page 0) */
    768 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
    769 			PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
    770 				BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
    771 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
    772 
    773 			/* Enable fiber mode and autodetection */
    774 			PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
    775 				PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
    776 				BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
    777 				BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
    778 
    779 			/* Enable parallel detection */
    780 			PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
    781 				PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
    782 				BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
    783 
    784 			/* Advertise 2.5G support through next page during autoneg */
    785 			if (bnx_sc->bnx_phy_flags & BNX_PHY_2_5G_CAPABLE_FLAG)
    786 				PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
    787 					PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
    788 					BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
    789 
    790 			/* Increase TX signal amplitude */
    791 			if ((BNX_CHIP_ID(bnx_sc) == BNX_CHIP_ID_5708_A0) ||
    792 			    (BNX_CHIP_ID(bnx_sc) == BNX_CHIP_ID_5708_B0) ||
    793 			    (BNX_CHIP_ID(bnx_sc) == BNX_CHIP_ID_5708_B1)) {
    794 				PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    795 					BRGPHY_5708S_TX_MISC_PG5);
    796 				PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
    797 					PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) &
    798 					~BRGPHY_5708S_PG5_TXACTL1_VCM);
    799 				PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    800 					BRGPHY_5708S_DIG_PG0);
    801 			}
    802 
    803 			/* Backplanes use special driver/pre-driver/pre-emphasis values. */
    804 			if ((bnx_sc->bnx_shared_hw_cfg & BNX_SHARED_HW_CFG_PHY_BACKPLANE) &&
    805 			    (bnx_sc->bnx_port_hw_cfg & BNX_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
    806 					PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    807 						BRGPHY_5708S_TX_MISC_PG5);
    808 					PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
    809 						bnx_sc->bnx_port_hw_cfg &
    810 						BNX_PORT_HW_CFG_CFG_TXCTL3_MASK);
    811 					PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
    812 						BRGPHY_5708S_DIG_PG0);
    813 			}
    814 		} else
    815 #endif
    816 		if ((sc->mii_mpd_oui == MII_OUI_BROADCOM2)
    817 		    && (sc->mii_mpd_model ==  MII_MODEL_BROADCOM2_BCM5709S)) {
    818 			/* Select the SerDes Digital block of the AN MMD. */
    819 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    820 			    BRGPHY_BLOCK_ADDR_SERDES_DIG);
    821 
    822 			PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1,
    823 			    (PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1) &
    824 			    ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET) |
    825 			    BRGPHY_SD_DIG_1000X_CTL1_FIBER);
    826 
    827 			if (bsc->sc_phyflags & BNX_PHY_2_5G_CAPABLE_FLAG) {
    828 				/* Select the Over 1G block of the AN MMD. */
    829 				PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    830 				    BRGPHY_BLOCK_ADDR_OVER_1G);
    831 
    832 				/*
    833 				 * Enable autoneg "Next Page" to advertise
    834 				 * 2.5G support.
    835 				 */
    836 				PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1,
    837 				    PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1) |
    838 				    BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
    839 			}
    840 
    841                         /*
    842                          * Select the Multi-Rate Backplane Ethernet block of
    843                          * the AN MMD.
    844                          */
    845                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    846                             BRGPHY_BLOCK_ADDR_MRBE);
    847 
    848                         /* Enable MRBE speed autoneg. */
    849                         PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP,
    850                             PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP) |
    851                             BRGPHY_MRBE_MSG_PG5_NP_MBRE |
    852                             BRGPHY_MRBE_MSG_PG5_NP_T2);
    853 
    854                         /* Select the Clause 73 User B0 block of the AN MMD. */
    855                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    856                             BRGPHY_BLOCK_ADDR_CL73_USER_B0);
    857 
    858                         /* Enable MRBE speed autoneg. */
    859                         PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1,
    860                             BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP |
    861                             BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR |
    862                             BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG);
    863 
    864                         PHY_WRITE(sc, BRGPHY_BLOCK_ADDR,
    865                             BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
    866 
    867 		} else if (_BNX_CHIP_NUM(bsc->sc_chipid) == BNX_CHIP_NUM_5709) {
    868 			if (_BNX_CHIP_REV(bsc->sc_chipid) == BNX_CHIP_REV_Ax ||
    869 			    _BNX_CHIP_REV(bsc->sc_chipid) == BNX_CHIP_REV_Bx)
    870 				brgphy_disable_early_dac(sc);
    871 
    872 			/* Set Jumbo frame settings in the PHY. */
    873 			brgphy_jumbo_settings(sc);
    874 
    875 			/* Enable Ethernet@Wirespeed */
    876 			brgphy_eth_wirespeed(sc);
    877 		} else {
    878 			if (!(sc->mii_flags & MIIF_HAVEFIBER)) {
    879 				brgphy_ber_bug(sc);
    880 
    881 				/* Set Jumbo frame settings in the PHY. */
    882 				brgphy_jumbo_settings(sc);
    883 
    884 				/* Enable Ethernet@Wirespeed */
    885 				brgphy_eth_wirespeed(sc);
    886 			}
    887 		}
    888 	}
    889 }
    890 
    891 /* Turn off tap power management on 5401. */
    892 static void
    893 brgphy_bcm5401_dspcode(struct mii_softc *sc)
    894 {
    895 	static const struct {
    896 		int		reg;
    897 		uint16_t	val;
    898 	} dspcode[] = {
    899 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
    900 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
    901 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
    902 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
    903 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
    904 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
    905 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
    906 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
    907 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
    908 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
    909 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
    910 		{ 0,				0 },
    911 	};
    912 	int i;
    913 
    914 	for (i = 0; dspcode[i].reg != 0; i++)
    915 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
    916 	delay(40);
    917 }
    918 
    919 static void
    920 brgphy_bcm5411_dspcode(struct mii_softc *sc)
    921 {
    922 	static const struct {
    923 		int		reg;
    924 		uint16_t	val;
    925 	} dspcode[] = {
    926 		{ 0x1c,				0x8c23 },
    927 		{ 0x1c,				0x8ca3 },
    928 		{ 0x1c,				0x8c23 },
    929 		{ 0,				0 },
    930 	};
    931 	int i;
    932 
    933 	for (i = 0; dspcode[i].reg != 0; i++)
    934 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
    935 }
    936 
    937 void
    938 brgphy_bcm5421_dspcode(struct mii_softc *sc)
    939 {
    940 	uint16_t data;
    941 
    942 	/* Set Class A mode */
    943 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x1007);
    944 	data = PHY_READ(sc, BRGPHY_MII_AUXCTL);
    945 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0400);
    946 
    947 	/* Set FFE gamma override to -0.125 */
    948 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0007);
    949 	data = PHY_READ(sc, BRGPHY_MII_AUXCTL);
    950 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0800);
    951 	PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a);
    952 	data = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
    953 	PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, data | 0x0200);
    954 }
    955 
    956 void
    957 brgphy_bcm54k2_dspcode(struct mii_softc *sc)
    958 {
    959 	static const struct {
    960 		int		reg;
    961 		uint16_t	val;
    962 	} dspcode[] = {
    963 		{ 4,				0x01e1 },
    964 		{ 9,				0x0300 },
    965 		{ 0,				0 },
    966 	};
    967 	int i;
    968 
    969 	for (i = 0; dspcode[i].reg != 0; i++)
    970 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
    971 }
    972 
    973 static void
    974 brgphy_adc_bug(struct mii_softc *sc)
    975 {
    976 	static const struct {
    977 		int		reg;
    978 		uint16_t	val;
    979 	} dspcode[] = {
    980 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
    981 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
    982 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
    983 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
    984 		{ BRGPHY_MII_DSP_RW_PORT,	0x0323 },
    985 		{ BRGPHY_MII_AUXCTL,		0x0400 },
    986 		{ 0,				0 },
    987 	};
    988 	int i;
    989 
    990 	for (i = 0; dspcode[i].reg != 0; i++)
    991 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
    992 }
    993 
    994 static void
    995 brgphy_5704_a0_bug(struct mii_softc *sc)
    996 {
    997 	static const struct {
    998 		int		reg;
    999 		uint16_t	val;
   1000 	} dspcode[] = {
   1001 		{ 0x1c,				0x8d68 },
   1002 		{ 0x1c,				0x8d68 },
   1003 		{ 0,				0 },
   1004 	};
   1005 	int i;
   1006 
   1007 	for (i = 0; dspcode[i].reg != 0; i++)
   1008 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1009 }
   1010 
   1011 static void
   1012 brgphy_ber_bug(struct mii_softc *sc)
   1013 {
   1014 	static const struct {
   1015 		int		reg;
   1016 		uint16_t	val;
   1017 	} dspcode[] = {
   1018 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
   1019 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
   1020 		{ BRGPHY_MII_DSP_RW_PORT,	0x310b },
   1021 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
   1022 		{ BRGPHY_MII_DSP_RW_PORT,	0x9506 },
   1023 		{ BRGPHY_MII_DSP_ADDR_REG,	0x401f },
   1024 		{ BRGPHY_MII_DSP_RW_PORT,	0x14e2 },
   1025 		{ BRGPHY_MII_AUXCTL,		0x0400 },
   1026 		{ 0,				0 },
   1027 	};
   1028 	int i;
   1029 
   1030 	for (i = 0; dspcode[i].reg != 0; i++)
   1031 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1032 }
   1033 
   1034 /* BCM5701 A0/B0 CRC bug workaround */
   1035 void
   1036 brgphy_crc_bug(struct mii_softc *sc)
   1037 {
   1038 	static const struct {
   1039 		int		reg;
   1040 		uint16_t	val;
   1041 	} dspcode[] = {
   1042 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0a75 },
   1043 		{ 0x1c,				0x8c68 },
   1044 		{ 0x1c,				0x8d68 },
   1045 		{ 0x1c,				0x8c68 },
   1046 		{ 0,				0 },
   1047 	};
   1048 	int i;
   1049 
   1050 	for (i = 0; dspcode[i].reg != 0; i++)
   1051 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
   1052 }
   1053 
   1054 static void
   1055 brgphy_disable_early_dac(struct mii_softc *sc)
   1056 {
   1057 	uint32_t val;
   1058 
   1059 	PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
   1060 	val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
   1061 	val &= ~(1 << 8);
   1062 	PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
   1063 
   1064 }
   1065 
   1066 static void
   1067 brgphy_jumbo_settings(struct mii_softc *sc)
   1068 {
   1069 	u_int32_t val;
   1070 
   1071 	/* Set Jumbo frame settings in the PHY. */
   1072 	if ((sc->mii_mpd_oui == MII_OUI_BROADCOM)
   1073 	    && (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401)) {
   1074 		/* Cannot do read-modify-write on the BCM5401 */
   1075 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
   1076 	} else {
   1077 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
   1078 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
   1079 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
   1080 			val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
   1081 	}
   1082 
   1083 	val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
   1084 	PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
   1085 		val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
   1086 }
   1087 
   1088 static void
   1089 brgphy_eth_wirespeed(struct mii_softc *sc)
   1090 {
   1091 	u_int32_t val;
   1092 
   1093 	/* Enable Ethernet@Wirespeed */
   1094 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
   1095 	val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
   1096 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
   1097 		(val | (1 << 15) | (1 << 4)));
   1098 }
   1099