xref: /freebsd/sys/dev/mii/brgphy.c (revision 28ffe927c29c92076f08ce90f54f3819378b9cac)
1 /*-
2  * Copyright (c) 2000
3  *	Bill Paul <wpaul@ee.columbia.edu>.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by Bill Paul.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 
36 /*
37  * Driver for the Broadcom BCM54xx/57xx 1000baseTX PHY.
38  */
39 
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/module.h>
44 #include <sys/socket.h>
45 #include <sys/bus.h>
46 #include <sys/taskqueue.h>
47 
48 #include <net/if.h>
49 #include <net/if_var.h>
50 #include <net/ethernet.h>
51 #include <net/if_media.h>
52 
53 #include <dev/mii/mii.h>
54 #include <dev/mii/miivar.h>
55 #include "miidevs.h"
56 
57 #include <dev/mii/brgphyreg.h>
58 #include <net/if_arp.h>
59 #include <machine/bus.h>
60 #include <dev/bge/if_bgereg.h>
61 #include <dev/bce/if_bcereg.h>
62 
63 #include <dev/pci/pcireg.h>
64 #include <dev/pci/pcivar.h>
65 
66 #include "miibus_if.h"
67 
68 static int brgphy_probe(device_t);
69 static int brgphy_attach(device_t);
70 
71 struct brgphy_softc {
72 	struct mii_softc mii_sc;
73 	int serdes_flags;	/* Keeps track of the serdes type used */
74 #define BRGPHY_5706S		0x0001
75 #define BRGPHY_5708S		0x0002
76 #define BRGPHY_NOANWAIT		0x0004
77 #define BRGPHY_5709S		0x0008
78 	int bce_phy_flags;	/* PHY flags transferred from the MAC driver */
79 };
80 
81 static device_method_t brgphy_methods[] = {
82 	/* device interface */
83 	DEVMETHOD(device_probe,		brgphy_probe),
84 	DEVMETHOD(device_attach,	brgphy_attach),
85 	DEVMETHOD(device_detach,	mii_phy_detach),
86 	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
87 	DEVMETHOD_END
88 };
89 
90 static devclass_t brgphy_devclass;
91 
92 static driver_t brgphy_driver = {
93 	"brgphy",
94 	brgphy_methods,
95 	sizeof(struct brgphy_softc)
96 };
97 
98 DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
99 
100 static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
101 static void	brgphy_setmedia(struct mii_softc *, int);
102 static void	brgphy_status(struct mii_softc *);
103 static void	brgphy_mii_phy_auto(struct mii_softc *, int);
104 static void	brgphy_reset(struct mii_softc *);
105 static void	brgphy_enable_loopback(struct mii_softc *);
106 static void	bcm5401_load_dspcode(struct mii_softc *);
107 static void	bcm5411_load_dspcode(struct mii_softc *);
108 static void	bcm54k2_load_dspcode(struct mii_softc *);
109 static void	brgphy_fixup_5704_a0_bug(struct mii_softc *);
110 static void	brgphy_fixup_adc_bug(struct mii_softc *);
111 static void	brgphy_fixup_adjust_trim(struct mii_softc *);
112 static void	brgphy_fixup_ber_bug(struct mii_softc *);
113 static void	brgphy_fixup_crc_bug(struct mii_softc *);
114 static void	brgphy_fixup_jitter_bug(struct mii_softc *);
115 static void	brgphy_ethernet_wirespeed(struct mii_softc *);
116 static void	brgphy_jumbo_settings(struct mii_softc *, u_long);
117 
118 static const struct mii_phydesc brgphys[] = {
119 	MII_PHY_DESC(BROADCOM, BCM5400),
120 	MII_PHY_DESC(BROADCOM, BCM5401),
121 	MII_PHY_DESC(BROADCOM, BCM5411),
122 	MII_PHY_DESC(BROADCOM, BCM54K2),
123 	MII_PHY_DESC(BROADCOM, BCM5701),
124 	MII_PHY_DESC(BROADCOM, BCM5703),
125 	MII_PHY_DESC(BROADCOM, BCM5704),
126 	MII_PHY_DESC(BROADCOM, BCM5705),
127 	MII_PHY_DESC(BROADCOM, BCM5706),
128 	MII_PHY_DESC(BROADCOM, BCM5714),
129 	MII_PHY_DESC(BROADCOM, BCM5421),
130 	MII_PHY_DESC(BROADCOM, BCM5750),
131 	MII_PHY_DESC(BROADCOM, BCM5752),
132 	MII_PHY_DESC(BROADCOM, BCM5780),
133 	MII_PHY_DESC(BROADCOM, BCM5708C),
134 	MII_PHY_DESC(BROADCOM, BCM5466),
135 	MII_PHY_DESC(BROADCOM2, BCM5482),
136 	MII_PHY_DESC(BROADCOM2, BCM5708S),
137 	MII_PHY_DESC(BROADCOM2, BCM5709C),
138 	MII_PHY_DESC(BROADCOM2, BCM5709S),
139 	MII_PHY_DESC(BROADCOM2, BCM5709CAX),
140 	MII_PHY_DESC(BROADCOM2, BCM5722),
141 	MII_PHY_DESC(BROADCOM2, BCM5755),
142 	MII_PHY_DESC(BROADCOM2, BCM5754),
143 	MII_PHY_DESC(BROADCOM2, BCM5761),
144 	MII_PHY_DESC(BROADCOM2, BCM5784),
145 #ifdef notyet	/* better handled by ukphy(4) until WARs are implemented */
146 	MII_PHY_DESC(BROADCOM2, BCM5785),
147 #endif
148 	MII_PHY_DESC(BROADCOM3, BCM5717C),
149 	MII_PHY_DESC(BROADCOM3, BCM5719C),
150 	MII_PHY_DESC(BROADCOM3, BCM5720C),
151 	MII_PHY_DESC(BROADCOM3, BCM57765),
152 	MII_PHY_DESC(BROADCOM3, BCM57780),
153 	MII_PHY_DESC(BROADCOM4, BCM5725C),
154 	MII_PHY_DESC(xxBROADCOM_ALT1, BCM5906),
155 	MII_PHY_END
156 };
157 
158 static const struct mii_phy_funcs brgphy_funcs = {
159 	brgphy_service,
160 	brgphy_status,
161 	brgphy_reset
162 };
163 
164 static const struct hs21_type {
165 	const uint32_t id;
166 	const char *prod;
167 } hs21_type_lists[] = {
168 	{ 0x57081021, "IBM eServer BladeCenter HS21" },
169 	{ 0x57081011, "IBM eServer BladeCenter HS21 -[8853PAU]-" },
170 };
171 
172 static int
173 detect_hs21(struct bce_softc *bce_sc)
174 {
175 	char *sysenv;
176 	int found, i;
177 
178 	found = 0;
179 	sysenv = kern_getenv("smbios.system.product");
180 	if (sysenv == NULL)
181 		return (found);
182 	for (i = 0; i < nitems(hs21_type_lists); i++) {
183 		if (bce_sc->bce_chipid == hs21_type_lists[i].id &&
184 		    strncmp(sysenv, hs21_type_lists[i].prod,
185 		    strlen(hs21_type_lists[i].prod)) == 0) {
186 			found++;
187 			break;
188 		}
189 	}
190 	freeenv(sysenv);
191 	return (found);
192 }
193 
194 /* Search for our PHY in the list of known PHYs */
195 static int
196 brgphy_probe(device_t dev)
197 {
198 
199 	return (mii_phy_dev_probe(dev, brgphys, BUS_PROBE_DEFAULT));
200 }
201 
202 /* Attach the PHY to the MII bus */
203 static int
204 brgphy_attach(device_t dev)
205 {
206 	struct brgphy_softc *bsc;
207 	struct bge_softc *bge_sc = NULL;
208 	struct bce_softc *bce_sc = NULL;
209 	struct mii_softc *sc;
210 
211 	bsc = device_get_softc(dev);
212 	sc = &bsc->mii_sc;
213 
214 	mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE,
215 	    &brgphy_funcs, 0);
216 
217 	bsc->serdes_flags = 0;
218 
219 	/* Find the MAC driver associated with this PHY. */
220 	if (mii_dev_mac_match(dev, "bge"))
221 		bge_sc = mii_dev_mac_softc(dev);
222 	else if (mii_dev_mac_match(dev, "bce"))
223 		bce_sc = mii_dev_mac_softc(dev);
224 
225 	/* Handle any special cases based on the PHY ID */
226 	switch (sc->mii_mpd_oui) {
227 	case MII_OUI_BROADCOM:
228 		switch (sc->mii_mpd_model) {
229 		case MII_MODEL_BROADCOM_BCM5706:
230 		case MII_MODEL_BROADCOM_BCM5714:
231 			/*
232 			 * The 5464 PHY used in the 5706 supports both copper
233 			 * and fiber interfaces over GMII.  Need to check the
234 			 * shadow registers to see which mode is actually
235 			 * in effect, and therefore whether we have 5706C or
236 			 * 5706S.
237 			 */
238 			PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C,
239 				BRGPHY_SHADOW_1C_MODE_CTRL);
240 			if (PHY_READ(sc, BRGPHY_MII_SHADOW_1C) &
241 				BRGPHY_SHADOW_1C_ENA_1000X) {
242 				bsc->serdes_flags |= BRGPHY_5706S;
243 				sc->mii_flags |= MIIF_HAVEFIBER;
244 			}
245 			break;
246 		}
247 		break;
248 	case MII_OUI_BROADCOM2:
249 		switch (sc->mii_mpd_model) {
250 		case MII_MODEL_BROADCOM2_BCM5708S:
251 			bsc->serdes_flags |= BRGPHY_5708S;
252 			sc->mii_flags |= MIIF_HAVEFIBER;
253 			break;
254 		case MII_MODEL_BROADCOM2_BCM5709S:
255 			/*
256 			 * XXX
257 			 * 5720S and 5709S shares the same PHY id.
258 			 * Assume 5720S PHY if parent device is bge(4).
259 			 */
260 			if (bge_sc != NULL)
261 				bsc->serdes_flags |= BRGPHY_5708S;
262 			else
263 				bsc->serdes_flags |= BRGPHY_5709S;
264 			sc->mii_flags |= MIIF_HAVEFIBER;
265 			break;
266 		}
267 		break;
268 	}
269 
270 	PHY_RESET(sc);
271 
272 	/* Read the PHY's capabilities. */
273 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
274 	if (sc->mii_capabilities & BMSR_EXTSTAT)
275 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
276 	device_printf(dev, " ");
277 
278 	/* Add the supported media types */
279 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
280 		mii_phy_add_media(sc);
281 		printf("\n");
282 	} else {
283 		sc->mii_anegticks = MII_ANEGTICKS_GIGE;
284 		ifmedia_add(&sc->mii_pdata->mii_media,
285 		    IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst),
286 		    0, NULL);
287 		printf("1000baseSX-FDX, ");
288 		/*
289 		 * 2.5G support is a software enabled feature
290 		 * on the 5708S and 5709S.
291 		 */
292 		if (bce_sc && (bce_sc->bce_phy_flags &
293 		    BCE_PHY_2_5G_CAPABLE_FLAG)) {
294 			ifmedia_add(&sc->mii_pdata->mii_media,
295 			    IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX,
296 			    sc->mii_inst), 0, NULL);
297 			printf("2500baseSX-FDX, ");
298 		} else if ((bsc->serdes_flags & BRGPHY_5708S) && bce_sc &&
299 		    (detect_hs21(bce_sc) != 0)) {
300 			/*
301 			 * There appears to be certain silicon revision
302 			 * in IBM HS21 blades that is having issues with
303 			 * this driver wating for the auto-negotiation to
304 			 * complete. This happens with a specific chip id
305 			 * only and when the 1000baseSX-FDX is the only
306 			 * mode. Workaround this issue since it's unlikely
307 			 * to be ever addressed.
308 			 */
309 			printf("auto-neg workaround, ");
310 			bsc->serdes_flags |= BRGPHY_NOANWAIT;
311 		}
312 		ifmedia_add(&sc->mii_pdata->mii_media, IFM_MAKEWORD(IFM_ETHER,
313 		    IFM_AUTO, 0, sc->mii_inst), 0, NULL);
314 		printf("auto\n");
315 	}
316 
317 	MIIBUS_MEDIAINIT(sc->mii_dev);
318 	return (0);
319 }
320 
321 static int
322 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
323 {
324 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
325 	int val;
326 
327 	switch (cmd) {
328 	case MII_POLLSTAT:
329 		break;
330 	case MII_MEDIACHG:
331 		/* Todo: Why is this here?  Is it really needed? */
332 		PHY_RESET(sc);	/* XXX hardware bug work-around */
333 
334 		switch (IFM_SUBTYPE(ife->ifm_media)) {
335 		case IFM_AUTO:
336 			brgphy_mii_phy_auto(sc, ife->ifm_media);
337 			break;
338 		case IFM_2500_SX:
339 		case IFM_1000_SX:
340 		case IFM_1000_T:
341 		case IFM_100_TX:
342 		case IFM_10_T:
343 			brgphy_setmedia(sc, ife->ifm_media);
344 			break;
345 		default:
346 			return (EINVAL);
347 		}
348 		break;
349 	case MII_TICK:
350 		/* Bail if autoneg isn't in process. */
351 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
352 			sc->mii_ticks = 0;
353 			break;
354 		}
355 
356 		/*
357 		 * Check to see if we have link.  If we do, we don't
358 		 * need to restart the autonegotiation process.
359 		 */
360 		val = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
361 		if (val & BMSR_LINK) {
362 			sc->mii_ticks = 0;	/* Reset autoneg timer. */
363 			break;
364 		}
365 
366 		/* Announce link loss right after it happens. */
367 		if (sc->mii_ticks++ == 0)
368 			break;
369 
370 		/* Only retry autonegotiation every mii_anegticks seconds. */
371 		if (sc->mii_ticks <= sc->mii_anegticks)
372 			break;
373 
374 
375 		/* Retry autonegotiation */
376 		sc->mii_ticks = 0;
377 		brgphy_mii_phy_auto(sc, ife->ifm_media);
378 		break;
379 	}
380 
381 	/* Update the media status. */
382 	PHY_STATUS(sc);
383 
384 	/*
385 	 * Callback if something changed. Note that we need to poke
386 	 * the DSP on the Broadcom PHYs if the media changes.
387 	 */
388 	if (sc->mii_media_active != mii->mii_media_active ||
389 	    sc->mii_media_status != mii->mii_media_status ||
390 	    cmd == MII_MEDIACHG) {
391 		switch (sc->mii_mpd_oui) {
392 		case MII_OUI_BROADCOM:
393 			switch (sc->mii_mpd_model) {
394 			case MII_MODEL_BROADCOM_BCM5400:
395 				bcm5401_load_dspcode(sc);
396 				break;
397 			case MII_MODEL_BROADCOM_BCM5401:
398 				if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
399 					bcm5401_load_dspcode(sc);
400 				break;
401 			case MII_MODEL_BROADCOM_BCM5411:
402 				bcm5411_load_dspcode(sc);
403 				break;
404 			case MII_MODEL_BROADCOM_BCM54K2:
405 				bcm54k2_load_dspcode(sc);
406 				break;
407 			}
408 			break;
409 		}
410 	}
411 	mii_phy_update(sc, cmd);
412 	return (0);
413 }
414 
415 /****************************************************************************/
416 /* Sets the PHY link speed.                                                 */
417 /*                                                                          */
418 /* Returns:                                                                 */
419 /*   None                                                                   */
420 /****************************************************************************/
421 static void
422 brgphy_setmedia(struct mii_softc *sc, int media)
423 {
424 	int bmcr = 0, gig;
425 
426 	switch (IFM_SUBTYPE(media)) {
427 	case IFM_2500_SX:
428 		break;
429 	case IFM_1000_SX:
430 	case IFM_1000_T:
431 		bmcr = BRGPHY_S1000;
432 		break;
433 	case IFM_100_TX:
434 		bmcr = BRGPHY_S100;
435 		break;
436 	case IFM_10_T:
437 	default:
438 		bmcr = BRGPHY_S10;
439 		break;
440 	}
441 
442 	if ((media & IFM_FDX) != 0) {
443 		bmcr |= BRGPHY_BMCR_FDX;
444 		gig = BRGPHY_1000CTL_AFD;
445 	} else {
446 		gig = BRGPHY_1000CTL_AHD;
447 	}
448 
449 	/* Force loopback to disconnect PHY from Ethernet medium. */
450 	brgphy_enable_loopback(sc);
451 
452 	PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
453 	PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
454 
455 	if (IFM_SUBTYPE(media) != IFM_1000_T &&
456 	    IFM_SUBTYPE(media) != IFM_1000_SX) {
457 		PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr);
458 		return;
459 	}
460 
461 	if (IFM_SUBTYPE(media) == IFM_1000_T) {
462 		gig |= BRGPHY_1000CTL_MSE;
463 		if ((media & IFM_ETH_MASTER) != 0)
464 			gig |= BRGPHY_1000CTL_MSC;
465 	}
466 	PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
467 	PHY_WRITE(sc, BRGPHY_MII_BMCR,
468 	    bmcr | BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
469 }
470 
471 /****************************************************************************/
472 /* Set the media status based on the PHY settings.                          */
473 /*                                                                          */
474 /* Returns:                                                                 */
475 /*   None                                                                   */
476 /****************************************************************************/
477 static void
478 brgphy_status(struct mii_softc *sc)
479 {
480 	struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
481 	struct mii_data *mii = sc->mii_pdata;
482 	int aux, bmcr, bmsr, val, xstat;
483 	u_int flowstat;
484 
485 	mii->mii_media_status = IFM_AVALID;
486 	mii->mii_media_active = IFM_ETHER;
487 
488 	bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
489 	bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
490 
491 	if (bmcr & BRGPHY_BMCR_LOOP) {
492 		mii->mii_media_active |= IFM_LOOP;
493 	}
494 
495 	if ((bmcr & BRGPHY_BMCR_AUTOEN) &&
496 	    (bmsr & BRGPHY_BMSR_ACOMP) == 0 &&
497 	    (bsc->serdes_flags & BRGPHY_NOANWAIT) == 0) {
498 		/* Erg, still trying, I guess... */
499 		mii->mii_media_active |= IFM_NONE;
500 		return;
501 	}
502 
503 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
504 		/*
505 		 * NB: reading the ANAR, ANLPAR or 1000STS after the AUXSTS
506 		 * wedges at least the PHY of BCM5704 (but not others).
507 		 */
508 		flowstat = mii_phy_flowstatus(sc);
509 		xstat = PHY_READ(sc, BRGPHY_MII_1000STS);
510 		aux = PHY_READ(sc, BRGPHY_MII_AUXSTS);
511 
512 		/* If copper link is up, get the negotiated speed/duplex. */
513 		if (aux & BRGPHY_AUXSTS_LINK) {
514 			mii->mii_media_status |= IFM_ACTIVE;
515 			switch (aux & BRGPHY_AUXSTS_AN_RES) {
516 			case BRGPHY_RES_1000FD:
517 				mii->mii_media_active |= IFM_1000_T | IFM_FDX; 	break;
518 			case BRGPHY_RES_1000HD:
519 				mii->mii_media_active |= IFM_1000_T | IFM_HDX; 	break;
520 			case BRGPHY_RES_100FD:
521 				mii->mii_media_active |= IFM_100_TX | IFM_FDX; break;
522 			case BRGPHY_RES_100T4:
523 				mii->mii_media_active |= IFM_100_T4; break;
524 			case BRGPHY_RES_100HD:
525 				mii->mii_media_active |= IFM_100_TX | IFM_HDX; 	break;
526 			case BRGPHY_RES_10FD:
527 				mii->mii_media_active |= IFM_10_T | IFM_FDX; break;
528 			case BRGPHY_RES_10HD:
529 				mii->mii_media_active |= IFM_10_T | IFM_HDX; break;
530 			default:
531 				mii->mii_media_active |= IFM_NONE; break;
532 			}
533 
534 			if ((mii->mii_media_active & IFM_FDX) != 0)
535 				mii->mii_media_active |= flowstat;
536 
537 			if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T &&
538 			    (xstat & BRGPHY_1000STS_MSR) != 0)
539 				mii->mii_media_active |= IFM_ETH_MASTER;
540 		}
541 	} else {
542 		/* Todo: Add support for flow control. */
543 		/* If serdes link is up, get the negotiated speed/duplex. */
544 		if (bmsr & BRGPHY_BMSR_LINK) {
545 			mii->mii_media_status |= IFM_ACTIVE;
546 		}
547 
548 		/* Check the link speed/duplex based on the PHY type. */
549 		if (bsc->serdes_flags & BRGPHY_5706S) {
550 			mii->mii_media_active |= IFM_1000_SX;
551 
552 			/* If autoneg enabled, read negotiated duplex settings */
553 			if (bmcr & BRGPHY_BMCR_AUTOEN) {
554 				val = PHY_READ(sc, BRGPHY_SERDES_ANAR) & PHY_READ(sc, BRGPHY_SERDES_ANLPAR);
555 				if (val & BRGPHY_SERDES_ANAR_FDX)
556 					mii->mii_media_active |= IFM_FDX;
557 				else
558 					mii->mii_media_active |= IFM_HDX;
559 			}
560 		} else if (bsc->serdes_flags & BRGPHY_5708S) {
561 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
562 			xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
563 
564 			/* Check for MRBE auto-negotiated speed results. */
565 			switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
566 			case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
567 				mii->mii_media_active |= IFM_10_FL; break;
568 			case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
569 				mii->mii_media_active |= IFM_100_FX; break;
570 			case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
571 				mii->mii_media_active |= IFM_1000_SX; break;
572 			case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
573 				mii->mii_media_active |= IFM_2500_SX; break;
574 			}
575 
576 			/* Check for MRBE auto-negotiated duplex results. */
577 			if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
578 				mii->mii_media_active |= IFM_FDX;
579 			else
580 				mii->mii_media_active |= IFM_HDX;
581 		} else if (bsc->serdes_flags & BRGPHY_5709S) {
582 			/* Select GP Status Block of the AN MMD, get autoneg results. */
583 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_GP_STATUS);
584 			xstat = PHY_READ(sc, BRGPHY_GP_STATUS_TOP_ANEG_STATUS);
585 
586 			/* Restore IEEE0 block (assumed in all brgphy(4) code). */
587 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
588 
589 			/* Check for MRBE auto-negotiated speed results. */
590 			switch (xstat & BRGPHY_GP_STATUS_TOP_ANEG_SPEED_MASK) {
591 				case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_10:
592 					mii->mii_media_active |= IFM_10_FL; break;
593 				case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_100:
594 					mii->mii_media_active |= IFM_100_FX; break;
595 				case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_1G:
596 					mii->mii_media_active |= IFM_1000_SX; break;
597 				case BRGPHY_GP_STATUS_TOP_ANEG_SPEED_25G:
598 					mii->mii_media_active |= IFM_2500_SX; break;
599 			}
600 
601 			/* Check for MRBE auto-negotiated duplex results. */
602 			if (xstat & BRGPHY_GP_STATUS_TOP_ANEG_FDX)
603 				mii->mii_media_active |= IFM_FDX;
604 			else
605 				mii->mii_media_active |= IFM_HDX;
606 		}
607 	}
608 }
609 
610 static void
611 brgphy_mii_phy_auto(struct mii_softc *sc, int media)
612 {
613 	int anar, ktcr = 0;
614 
615 	PHY_RESET(sc);
616 
617 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
618 		anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
619 		if ((media & IFM_FLOW) != 0 ||
620 		    (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
621 			anar |= BRGPHY_ANAR_PC | BRGPHY_ANAR_ASP;
622 		PHY_WRITE(sc, BRGPHY_MII_ANAR, anar);
623 		ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD;
624 		if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)
625 			ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC;
626 		PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr);
627 		PHY_READ(sc, BRGPHY_MII_1000CTL);
628 	} else {
629 		anar = BRGPHY_SERDES_ANAR_FDX | BRGPHY_SERDES_ANAR_HDX;
630 		if ((media & IFM_FLOW) != 0 ||
631 		    (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
632 			anar |= BRGPHY_SERDES_ANAR_BOTH_PAUSE;
633 		PHY_WRITE(sc, BRGPHY_SERDES_ANAR, anar);
634 	}
635 
636 	PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_AUTOEN |
637 	    BRGPHY_BMCR_STARTNEG);
638 	PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
639 }
640 
641 /* Enable loopback to force the link down. */
642 static void
643 brgphy_enable_loopback(struct mii_softc *sc)
644 {
645 	int i;
646 
647 	PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
648 	for (i = 0; i < 15000; i++) {
649 		if (!(PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_LINK))
650 			break;
651 		DELAY(10);
652 	}
653 }
654 
655 /* Turn off tap power management on 5401. */
656 static void
657 bcm5401_load_dspcode(struct mii_softc *sc)
658 {
659 	static const struct {
660 		int		reg;
661 		uint16_t	val;
662 	} dspcode[] = {
663 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
664 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
665 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
666 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
667 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
668 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
669 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
670 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
671 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
672 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
673 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
674 		{ 0,				0 },
675 	};
676 	int i;
677 
678 	for (i = 0; dspcode[i].reg != 0; i++)
679 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
680 	DELAY(40);
681 }
682 
683 static void
684 bcm5411_load_dspcode(struct mii_softc *sc)
685 {
686 	static const struct {
687 		int		reg;
688 		uint16_t	val;
689 	} dspcode[] = {
690 		{ 0x1c,				0x8c23 },
691 		{ 0x1c,				0x8ca3 },
692 		{ 0x1c,				0x8c23 },
693 		{ 0,				0 },
694 	};
695 	int i;
696 
697 	for (i = 0; dspcode[i].reg != 0; i++)
698 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
699 }
700 
701 void
702 bcm54k2_load_dspcode(struct mii_softc *sc)
703 {
704 	static const struct {
705 		int		reg;
706 		uint16_t	val;
707 	} dspcode[] = {
708 		{ 4,				0x01e1 },
709 		{ 9,				0x0300 },
710 		{ 0,				0 },
711 	};
712 	int i;
713 
714 	for (i = 0; dspcode[i].reg != 0; i++)
715 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
716 
717 }
718 
719 static void
720 brgphy_fixup_5704_a0_bug(struct mii_softc *sc)
721 {
722 	static const struct {
723 		int		reg;
724 		uint16_t	val;
725 	} dspcode[] = {
726 		{ 0x1c,				0x8d68 },
727 		{ 0x1c,				0x8d68 },
728 		{ 0,				0 },
729 	};
730 	int i;
731 
732 	for (i = 0; dspcode[i].reg != 0; i++)
733 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
734 }
735 
736 static void
737 brgphy_fixup_adc_bug(struct mii_softc *sc)
738 {
739 	static const struct {
740 		int		reg;
741 		uint16_t	val;
742 	} dspcode[] = {
743 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
744 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
745 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
746 		{ 0,				0 },
747 	};
748 	int i;
749 
750 	for (i = 0; dspcode[i].reg != 0; i++)
751 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
752 }
753 
754 static void
755 brgphy_fixup_adjust_trim(struct mii_softc *sc)
756 {
757 	static const struct {
758 		int		reg;
759 		uint16_t	val;
760 	} dspcode[] = {
761 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
762 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
763 		{ BRGPHY_MII_DSP_RW_PORT,	0x110b },
764 		{ BRGPHY_MII_TEST1,			0x0014 },
765 		{ BRGPHY_MII_AUXCTL,		0x0400 },
766 		{ 0,				0 },
767 	};
768 	int i;
769 
770 	for (i = 0; dspcode[i].reg != 0; i++)
771 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
772 }
773 
774 static void
775 brgphy_fixup_ber_bug(struct mii_softc *sc)
776 {
777 	static const struct {
778 		int		reg;
779 		uint16_t	val;
780 	} dspcode[] = {
781 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
782 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
783 		{ BRGPHY_MII_DSP_RW_PORT,	0x310b },
784 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
785 		{ BRGPHY_MII_DSP_RW_PORT,	0x9506 },
786 		{ BRGPHY_MII_DSP_ADDR_REG,	0x401f },
787 		{ BRGPHY_MII_DSP_RW_PORT,	0x14e2 },
788 		{ BRGPHY_MII_AUXCTL,		0x0400 },
789 		{ 0,				0 },
790 	};
791 	int i;
792 
793 	for (i = 0; dspcode[i].reg != 0; i++)
794 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
795 }
796 
797 static void
798 brgphy_fixup_crc_bug(struct mii_softc *sc)
799 {
800 	static const struct {
801 		int		reg;
802 		uint16_t	val;
803 	} dspcode[] = {
804 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a75 },
805 		{ 0x1c,				0x8c68 },
806 		{ 0x1c,				0x8d68 },
807 		{ 0x1c,				0x8c68 },
808 		{ 0,				0 },
809 	};
810 	int i;
811 
812 	for (i = 0; dspcode[i].reg != 0; i++)
813 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
814 }
815 
816 static void
817 brgphy_fixup_jitter_bug(struct mii_softc *sc)
818 {
819 	static const struct {
820 		int		reg;
821 		uint16_t	val;
822 	} dspcode[] = {
823 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
824 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
825 		{ BRGPHY_MII_DSP_RW_PORT,	0x010b },
826 		{ BRGPHY_MII_AUXCTL,		0x0400 },
827 		{ 0,				0 },
828 	};
829 	int i;
830 
831 	for (i = 0; dspcode[i].reg != 0; i++)
832 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
833 }
834 
835 static void
836 brgphy_fixup_disable_early_dac(struct mii_softc *sc)
837 {
838 	uint32_t val;
839 
840 	PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
841 	val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
842 	val &= ~(1 << 8);
843 	PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
844 
845 }
846 
847 static void
848 brgphy_ethernet_wirespeed(struct mii_softc *sc)
849 {
850 	uint32_t	val;
851 
852 	/* Enable Ethernet@WireSpeed. */
853 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
854 	val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
855 	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
856 }
857 
858 static void
859 brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu)
860 {
861 	uint32_t	val;
862 
863 	/* Set or clear jumbo frame settings in the PHY. */
864 	if (mtu > ETHER_MAX_LEN) {
865 		if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5401) {
866 			/* BCM5401 PHY cannot read-modify-write. */
867 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
868 		} else {
869 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
870 			val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
871 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
872 			    val | BRGPHY_AUXCTL_LONG_PKT);
873 		}
874 
875 		val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
876 		PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
877 		    val | BRGPHY_PHY_EXTCTL_HIGH_LA);
878 	} else {
879 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
880 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
881 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
882 		    val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
883 
884 		val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
885 		PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
886 			val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
887 	}
888 }
889 
890 static void
891 brgphy_reset(struct mii_softc *sc)
892 {
893 	struct bge_softc *bge_sc = NULL;
894 	struct bce_softc *bce_sc = NULL;
895 	if_t ifp;
896 	int i, val;
897 
898 	/*
899 	 * Perform a reset.  Note that at least some Broadcom PHYs default to
900 	 * being powered down as well as isolated after a reset but don't work
901 	 * if one or both of these bits are cleared.  However, they just work
902 	 * fine if both bits remain set, so we don't use mii_phy_reset() here.
903 	 */
904 	PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_RESET);
905 
906 	/* Wait 100ms for it to complete. */
907 	for (i = 0; i < 100; i++) {
908 		if ((PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_RESET) == 0)
909 			break;
910 		DELAY(1000);
911 	}
912 
913 	/* Handle any PHY specific procedures following the reset. */
914 	switch (sc->mii_mpd_oui) {
915 	case MII_OUI_BROADCOM:
916 		switch (sc->mii_mpd_model) {
917 		case MII_MODEL_BROADCOM_BCM5400:
918 			bcm5401_load_dspcode(sc);
919 			break;
920 		case MII_MODEL_BROADCOM_BCM5401:
921 			if (sc->mii_mpd_rev == 1 || sc->mii_mpd_rev == 3)
922 				bcm5401_load_dspcode(sc);
923 			break;
924 		case MII_MODEL_BROADCOM_BCM5411:
925 			bcm5411_load_dspcode(sc);
926 			break;
927 		case MII_MODEL_BROADCOM_BCM54K2:
928 			bcm54k2_load_dspcode(sc);
929 			break;
930 		}
931 		break;
932 	case MII_OUI_BROADCOM3:
933 		switch (sc->mii_mpd_model) {
934 		case MII_MODEL_BROADCOM3_BCM5717C:
935 		case MII_MODEL_BROADCOM3_BCM5719C:
936 		case MII_MODEL_BROADCOM3_BCM5720C:
937 		case MII_MODEL_BROADCOM3_BCM57765:
938 			return;
939 		}
940 		break;
941 	case MII_OUI_BROADCOM4:
942 		return;
943 	}
944 
945 	ifp = sc->mii_pdata->mii_ifp;
946 
947 	/* Find the driver associated with this PHY. */
948 	if (mii_phy_mac_match(sc, "bge"))
949 		bge_sc = mii_phy_mac_softc(sc);
950 	else if (mii_phy_mac_match(sc, "bce"))
951 		bce_sc = mii_phy_mac_softc(sc);
952 
953 	if (bge_sc) {
954 		/* Fix up various bugs */
955 		if (bge_sc->bge_phy_flags & BGE_PHY_5704_A0_BUG)
956 			brgphy_fixup_5704_a0_bug(sc);
957 		if (bge_sc->bge_phy_flags & BGE_PHY_ADC_BUG)
958 			brgphy_fixup_adc_bug(sc);
959 		if (bge_sc->bge_phy_flags & BGE_PHY_ADJUST_TRIM)
960 			brgphy_fixup_adjust_trim(sc);
961 		if (bge_sc->bge_phy_flags & BGE_PHY_BER_BUG)
962 			brgphy_fixup_ber_bug(sc);
963 		if (bge_sc->bge_phy_flags & BGE_PHY_CRC_BUG)
964 			brgphy_fixup_crc_bug(sc);
965 		if (bge_sc->bge_phy_flags & BGE_PHY_JITTER_BUG)
966 			brgphy_fixup_jitter_bug(sc);
967 
968 		if (bge_sc->bge_flags & BGE_FLAG_JUMBO)
969 			brgphy_jumbo_settings(sc, if_getmtu(ifp));
970 
971 		if ((bge_sc->bge_phy_flags & BGE_PHY_NO_WIRESPEED) == 0)
972 			brgphy_ethernet_wirespeed(sc);
973 
974 		/* Enable Link LED on Dell boxes */
975 		if (bge_sc->bge_phy_flags & BGE_PHY_NO_3LED) {
976 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
977 			    PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) &
978 			    ~BRGPHY_PHY_EXTCTL_3_LED);
979 		}
980 
981 		/* Adjust output voltage (From Linux driver) */
982 		if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5906)
983 			PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
984 	} else if (bce_sc) {
985 		if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5708 &&
986 			(bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
987 
988 			/* Store autoneg capabilities/results in digital block (Page 0) */
989 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
990 			PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
991 				BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
992 			PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
993 
994 			/* Enable fiber mode and autodetection */
995 			PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
996 				PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
997 				BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
998 				BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
999 
1000 			/* Enable parallel detection */
1001 			PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
1002 				PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
1003 				BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
1004 
1005 			/* Advertise 2.5G support through next page during autoneg */
1006 			if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
1007 				PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
1008 					PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
1009 					BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
1010 
1011 			/* Increase TX signal amplitude */
1012 			if ((BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_A0) ||
1013 			    (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B0) ||
1014 			    (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B1)) {
1015 				PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1016 					BRGPHY_5708S_TX_MISC_PG5);
1017 				PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
1018 					PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) & ~0x30);
1019 				PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1020 					BRGPHY_5708S_DIG_PG0);
1021 			}
1022 
1023 			/* Backplanes use special driver/pre-driver/pre-emphasis values. */
1024 			if ((bce_sc->bce_shared_hw_cfg & BCE_SHARED_HW_CFG_PHY_BACKPLANE) &&
1025 				(bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
1026 					PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1027 						BRGPHY_5708S_TX_MISC_PG5);
1028 					PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
1029 						bce_sc->bce_port_hw_cfg &
1030 						BCE_PORT_HW_CFG_CFG_TXCTL3_MASK);
1031 					PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1032 						BRGPHY_5708S_DIG_PG0);
1033 			}
1034 		} else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709 &&
1035 			(bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
1036 
1037 			/* Select the SerDes Digital block of the AN MMD. */
1038 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_SERDES_DIG);
1039 			val = PHY_READ(sc, BRGPHY_SERDES_DIG_1000X_CTL1);
1040 			val &= ~BRGPHY_SD_DIG_1000X_CTL1_AUTODET;
1041 			val |= BRGPHY_SD_DIG_1000X_CTL1_FIBER;
1042 			PHY_WRITE(sc, BRGPHY_SERDES_DIG_1000X_CTL1, val);
1043 
1044 			/* Select the Over 1G block of the AN MMD. */
1045 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_OVER_1G);
1046 
1047 			/* Enable autoneg "Next Page" to advertise 2.5G support. */
1048 			val = PHY_READ(sc, BRGPHY_OVER_1G_UNFORMAT_PG1);
1049 			if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
1050 				val |= BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G;
1051 			else
1052 				val &= ~BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G;
1053 			PHY_WRITE(sc, BRGPHY_OVER_1G_UNFORMAT_PG1, val);
1054 
1055 			/* Select the Multi-Rate Backplane Ethernet block of the AN MMD. */
1056 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_MRBE);
1057 
1058 			/* Enable MRBE speed autoneg. */
1059 			val = PHY_READ(sc, BRGPHY_MRBE_MSG_PG5_NP);
1060 			val |= BRGPHY_MRBE_MSG_PG5_NP_MBRE |
1061 			    BRGPHY_MRBE_MSG_PG5_NP_T2;
1062 			PHY_WRITE(sc, BRGPHY_MRBE_MSG_PG5_NP, val);
1063 
1064 			/* Select the Clause 73 User B0 block of the AN MMD. */
1065 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_CL73_USER_B0);
1066 
1067 			/* Enable MRBE speed autoneg. */
1068 			PHY_WRITE(sc, BRGPHY_CL73_USER_B0_MBRE_CTL1,
1069 			    BRGPHY_CL73_USER_B0_MBRE_CTL1_NP_AFT_BP |
1070 			    BRGPHY_CL73_USER_B0_MBRE_CTL1_STA_MGR |
1071 			    BRGPHY_CL73_USER_B0_MBRE_CTL1_ANEG);
1072 
1073 			/* Restore IEEE0 block (assumed in all brgphy(4) code). */
1074 			PHY_WRITE(sc, BRGPHY_BLOCK_ADDR, BRGPHY_BLOCK_ADDR_COMBO_IEEE0);
1075         } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709) {
1076 			if ((BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Ax) ||
1077 				(BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Bx))
1078 				brgphy_fixup_disable_early_dac(sc);
1079 
1080 			brgphy_jumbo_settings(sc, if_getmtu(ifp));
1081 			brgphy_ethernet_wirespeed(sc);
1082 		} else {
1083 			brgphy_fixup_ber_bug(sc);
1084 			brgphy_jumbo_settings(sc, if_getmtu(ifp));
1085 			brgphy_ethernet_wirespeed(sc);
1086 		}
1087 	}
1088 }
1089