xref: /netbsd-src/sys/dev/mii/brgphy.c (revision 466a16a118933bd295a8a104f095714fadf9cf68)
1 /*	$NetBSD: brgphy.c,v 1.41 2008/11/17 03:04:27 dyoung 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  * 3. All advertising materials mentioning features or use of this software
45  *    must display the following acknowledgement:
46  *	This product includes software developed by Manuel Bouyer.
47  * 4. The name of the author may not be used to endorse or promote products
48  *    derived from this software without specific prior written permission.
49  *
50  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
51  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
52  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
53  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
54  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
55  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
59  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60  */
61 
62 /*
63  * driver for the Broadcom BCM5400 Gig-E PHY.
64  *
65  * Programming information for this PHY was gleaned from FreeBSD
66  * (they were apparently able to get a datasheet from Broadcom).
67  */
68 
69 #include <sys/cdefs.h>
70 __KERNEL_RCSID(0, "$NetBSD: brgphy.c,v 1.41 2008/11/17 03:04:27 dyoung Exp $");
71 
72 #include <sys/param.h>
73 #include <sys/systm.h>
74 #include <sys/kernel.h>
75 #include <sys/device.h>
76 #include <sys/socket.h>
77 #include <sys/errno.h>
78 
79 #include <net/if.h>
80 #include <net/if_media.h>
81 
82 #include <dev/mii/mii.h>
83 #include <dev/mii/miivar.h>
84 #include <dev/mii/miidevs.h>
85 
86 #include <dev/mii/brgphyreg.h>
87 
88 static int	brgphymatch(device_t, cfdata_t, void *);
89 static void	brgphyattach(device_t, device_t, void *);
90 
91 CFATTACH_DECL_NEW(brgphy, sizeof(struct mii_softc),
92     brgphymatch, brgphyattach, mii_phy_detach, mii_phy_activate);
93 
94 static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
95 static void	brgphy_status(struct mii_softc *);
96 static int	brgphy_mii_phy_auto(struct mii_softc *);
97 static void	brgphy_loop(struct mii_softc *);
98 
99 static void	brgphy_5401_reset(struct mii_softc *);
100 static void	brgphy_5411_reset(struct mii_softc *);
101 static void	brgphy_5703_reset(struct mii_softc *);
102 static void	brgphy_5704_reset(struct mii_softc *);
103 static void	brgphy_5705_reset(struct mii_softc *);
104 static void	brgphy_5750_reset(struct mii_softc *);
105 static void	brgphy_5755_reset(struct mii_softc *);
106 
107 static const struct mii_phy_funcs brgphy_funcs = {
108 	brgphy_service, brgphy_status, mii_phy_reset,
109 };
110 
111 static const struct mii_phy_funcs brgphy_5401_funcs = {
112 	brgphy_service, brgphy_status, brgphy_5401_reset,
113 };
114 
115 static const struct mii_phy_funcs brgphy_5411_funcs = {
116 	brgphy_service, brgphy_status, brgphy_5411_reset,
117 };
118 
119 static const struct mii_phy_funcs brgphy_5703_funcs = {
120 	brgphy_service, brgphy_status, brgphy_5703_reset,
121 };
122 
123 static const struct mii_phy_funcs brgphy_5704_funcs = {
124 	brgphy_service, brgphy_status, brgphy_5704_reset,
125 };
126 
127 static const struct mii_phy_funcs brgphy_5705_funcs = {
128 	brgphy_service, brgphy_status, brgphy_5705_reset,
129 };
130 
131 const struct mii_phy_funcs brgphy_5750_funcs = {
132 	brgphy_service, brgphy_status, brgphy_5750_reset,
133 };
134 
135 const struct mii_phy_funcs brgphy_5755_funcs = {
136 	brgphy_service, brgphy_status, brgphy_5755_reset,
137 };
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_BCM5701,
154 	  MII_STR_BROADCOM_BCM5701 },
155 
156 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5703,
157 	  MII_STR_BROADCOM_BCM5703 },
158 
159 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5704,
160 	  MII_STR_BROADCOM_BCM5704 },
161 
162 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5705,
163 	  MII_STR_BROADCOM_BCM5705 },
164 
165 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5714,
166 	  MII_STR_BROADCOM_BCM5714 },
167 
168 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5750,
169 	  MII_STR_BROADCOM_BCM5750 },
170 
171 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5752,
172 	  MII_STR_BROADCOM_BCM5752 },
173 
174 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5780,
175 	  MII_STR_BROADCOM_BCM5780 },
176 
177 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5708C,
178 	  MII_STR_BROADCOM_BCM5708C },
179 
180 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5755,
181 	  MII_STR_BROADCOM2_BCM5755 },
182 
183 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5754,
184 	  MII_STR_BROADCOM2_BCM5754 },
185 
186 	{ MII_OUI_xxBROADCOM_ALT1,	MII_MODEL_xxBROADCOM_ALT1_BCM5906,
187 	  MII_STR_xxBROADCOM_ALT1_BCM5906 },
188 
189 	{ 0,				0,
190 	  NULL },
191 };
192 
193 static void bcm5401_load_dspcode(struct mii_softc *);
194 static void bcm5411_load_dspcode(struct mii_softc *);
195 static void bcm5703_load_dspcode(struct mii_softc *);
196 static void bcm5704_load_dspcode(struct mii_softc *);
197 static void bcm5750_load_dspcode(struct mii_softc *);
198 static void bcm5755_load_dspcode(struct mii_softc *);
199 
200 static int
201 brgphymatch(struct device *parent, struct cfdata *match,
202     void *aux)
203 {
204 	struct mii_attach_args *ma = aux;
205 
206 	if (mii_phy_match(ma, brgphys) != NULL)
207 		return (10);
208 
209 	return (0);
210 }
211 
212 static void
213 brgphyattach(struct device *parent, struct device *self, void *aux)
214 {
215 	struct mii_softc *sc = device_private(self);
216 	struct mii_attach_args *ma = aux;
217 	struct mii_data *mii = ma->mii_data;
218 	const struct mii_phydesc *mpd;
219 
220 	mpd = mii_phy_match(ma, brgphys);
221 	aprint_naive(": Media interface\n");
222 	aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
223 
224 	sc->mii_dev = self;
225 	sc->mii_inst = mii->mii_instance;
226 	sc->mii_phy = ma->mii_phyno;
227 	sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
228 	sc->mii_pdata = mii;
229 	sc->mii_flags = ma->mii_flags;
230 	sc->mii_anegticks = MII_ANEGTICKS;
231 
232 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM_ALT1) {
233 		sc->mii_funcs = &brgphy_5750_funcs;
234 		aprint_normal_dev(self, "using BCM5750 DSP patch\n");
235 	} else {
236 		switch (MII_MODEL(ma->mii_id2)) {
237 		case MII_MODEL_BROADCOM_BCM5400:
238 			sc->mii_funcs = &brgphy_5401_funcs;
239 			aprint_normal_dev(self, "using BCM5401 DSP patch\n");
240 			break;
241 
242 		case MII_MODEL_BROADCOM_BCM5401:
243 			if (MII_REV(ma->mii_id2) == 1 || MII_REV(ma->mii_id2) == 3) {
244 				sc->mii_funcs = &brgphy_5401_funcs;
245 				aprint_normal_dev(self, "using BCM5401 DSP patch\n");
246 			} else
247 				sc->mii_funcs = &brgphy_funcs;
248 			break;
249 
250 		case MII_MODEL_BROADCOM_BCM5411:
251 			sc->mii_funcs = &brgphy_5411_funcs;
252 			aprint_normal_dev(self, "using BCM5411 DSP patch\n");
253 			break;
254 
255 	#ifdef notyet /* unverified, untested */
256 		case MII_MODEL_BROADCOM_BCM5703:
257 			sc->mii_funcs = &brgphy_5703_funcs;
258 			aprint_normal_dev(self, "using BCM5703 DSP patch\n");
259 			break;
260 	#endif
261 
262 		case MII_MODEL_BROADCOM_BCM5704:
263 			sc->mii_funcs = &brgphy_5704_funcs;
264 			aprint_normal_dev(self, "using BCM5704 DSP patch\n");
265 			break;
266 
267 		case MII_MODEL_BROADCOM_BCM5705:
268 			sc->mii_funcs = &brgphy_5705_funcs;
269 			break;
270 
271 		case MII_MODEL_BROADCOM_BCM5714:
272 		case MII_MODEL_BROADCOM_BCM5780:
273 		case MII_MODEL_BROADCOM_BCM5708C:
274 		case MII_MODEL_BROADCOM_BCM5750:
275 		case MII_MODEL_BROADCOM_BCM5752:
276 			sc->mii_funcs = &brgphy_5750_funcs;
277 			break;
278 
279 		case MII_MODEL_BROADCOM2_BCM5754:
280 		case MII_MODEL_BROADCOM2_BCM5755:
281 			sc->mii_funcs = &brgphy_5755_funcs;
282 			break;
283 
284 		default:
285 			sc->mii_funcs = &brgphy_funcs;
286 			break;
287 		}
288 	}
289 
290 	PHY_RESET(sc);
291 
292 	sc->mii_capabilities =
293 	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
294 	if (sc->mii_capabilities & BMSR_EXTSTAT)
295 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
296 
297 	aprint_normal_dev(self, "");
298 	if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
299 	    (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
300 		aprint_error("no media present");
301 	else
302 		mii_phy_add_media(sc);
303 	aprint_normal("\n");
304 }
305 
306 static int
307 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
308 {
309 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
310 	int reg, speed, gig;
311 
312 	switch (cmd) {
313 	case MII_POLLSTAT:
314 		/*
315 		 * If we're not polling our PHY instance, just return.
316 		 */
317 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
318 			return (0);
319 		break;
320 
321 	case MII_MEDIACHG:
322 		/*
323 		 * If the media indicates a different PHY instance,
324 		 * isolate ourselves.
325 		 */
326 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
327 			reg = PHY_READ(sc, MII_BMCR);
328 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
329 			return (0);
330 		}
331 
332 		/*
333 		 * If the interface is not up, don't do anything.
334 		 */
335 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
336 			break;
337 
338 		PHY_RESET(sc); /* XXX hardware bug work-around */
339 
340 		switch (IFM_SUBTYPE(ife->ifm_media)) {
341 		case IFM_AUTO:
342 			(void) brgphy_mii_phy_auto(sc);
343 			break;
344 		case IFM_1000_T:
345 			speed = BMCR_S1000;
346 			goto setit;
347 		case IFM_100_TX:
348 			speed = BMCR_S100;
349 			goto setit;
350 		case IFM_10_T:
351 			speed = BMCR_S10;
352 setit:
353 			brgphy_loop(sc);
354 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
355 				speed |= BMCR_FDX;
356 				gig = GTCR_ADV_1000TFDX;
357 			} else {
358 				gig = GTCR_ADV_1000THDX;
359 			}
360 
361 			PHY_WRITE(sc, MII_100T2CR, 0);
362 			PHY_WRITE(sc, MII_BMCR, speed);
363 			PHY_WRITE(sc, MII_ANAR, ANAR_CSMA);
364 
365 			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
366 				break;
367 
368 			PHY_WRITE(sc, MII_100T2CR, gig);
369 			PHY_WRITE(sc, MII_BMCR,
370 			    speed|BMCR_AUTOEN|BMCR_STARTNEG);
371 
372 			if (sc->mii_mpd_model != MII_MODEL_BROADCOM_BCM5701)
373 				break;
374 
375 			if (mii->mii_media.ifm_media & IFM_ETH_MASTER)
376 				gig |= GTCR_MAN_MS | GTCR_ADV_MS;
377 			PHY_WRITE(sc, MII_100T2CR, gig);
378 			break;
379 		default:
380 			return (EINVAL);
381 		}
382 		break;
383 
384 	case MII_TICK:
385 		/*
386 		 * If we're not currently selected, just return.
387 		 */
388 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
389 			return (0);
390 
391 		if (mii_phy_tick(sc) == EJUSTRETURN)
392 			return (0);
393 		break;
394 
395 	case MII_DOWN:
396 		mii_phy_down(sc);
397 		return (0);
398 	}
399 
400 	/* Update the media status. */
401 	mii_phy_status(sc);
402 
403 	/*
404 	 * Callback if something changed. Note that we need to poke the DSP on
405 	 * the Broadcom PHYs if the media changes.
406 	 */
407 	if (sc->mii_media_active != mii->mii_media_active ||
408 	    sc->mii_media_status != mii->mii_media_status ||
409 	    cmd == MII_MEDIACHG) {
410 		mii_phy_update(sc, cmd);
411 		if (sc->mii_funcs == &brgphy_5401_funcs)
412 			bcm5401_load_dspcode(sc);
413 		else if (sc->mii_funcs == &brgphy_5411_funcs)
414 			bcm5411_load_dspcode(sc);
415 	}
416 	return (0);
417 }
418 
419 static void
420 brgphy_status(struct mii_softc *sc)
421 {
422 	struct mii_data *mii = sc->mii_pdata;
423 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
424 	int bmcr, auxsts, gtsr;
425 
426 	mii->mii_media_status = IFM_AVALID;
427 	mii->mii_media_active = IFM_ETHER;
428 
429 	auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS);
430 
431 	if (auxsts & BRGPHY_AUXSTS_LINK)
432 		mii->mii_media_status |= IFM_ACTIVE;
433 
434 	bmcr = PHY_READ(sc, MII_BMCR);
435 	if (bmcr & BMCR_ISO) {
436 		mii->mii_media_active |= IFM_NONE;
437 		mii->mii_media_status = 0;
438 		return;
439 	}
440 
441 	if (bmcr & BMCR_LOOP)
442 		mii->mii_media_active |= IFM_LOOP;
443 
444 	if (bmcr & BMCR_AUTOEN) {
445 		/*
446 		 * The media status bits are only valid of autonegotiation
447 		 * has completed (or it's disabled).
448 		 */
449 		if ((auxsts & BRGPHY_AUXSTS_ACOMP) == 0) {
450 			/* Erg, still trying, I guess... */
451 			mii->mii_media_active |= IFM_NONE;
452 			return;
453 		}
454 
455 		switch (auxsts & BRGPHY_AUXSTS_AN_RES) {
456 		case BRGPHY_RES_1000FD:
457 			mii->mii_media_active |= IFM_1000_T|IFM_FDX;
458 			gtsr = PHY_READ(sc, MII_100T2SR);
459 			if (gtsr & GTSR_MS_RES)
460 				mii->mii_media_active |= IFM_ETH_MASTER;
461 			break;
462 
463 		case BRGPHY_RES_1000HD:
464 			mii->mii_media_active |= IFM_1000_T;
465 			gtsr = PHY_READ(sc, MII_100T2SR);
466 			if (gtsr & GTSR_MS_RES)
467 				mii->mii_media_active |= IFM_ETH_MASTER;
468 			break;
469 
470 		case BRGPHY_RES_100FD:
471 			mii->mii_media_active |= IFM_100_TX|IFM_FDX;
472 			break;
473 
474 		case BRGPHY_RES_100T4:
475 			mii->mii_media_active |= IFM_100_T4;
476 			break;
477 
478 		case BRGPHY_RES_100HD:
479 			mii->mii_media_active |= IFM_100_TX;
480 			break;
481 
482 		case BRGPHY_RES_10FD:
483 			mii->mii_media_active |= IFM_10_T|IFM_FDX;
484 			break;
485 
486 		case BRGPHY_RES_10HD:
487 			mii->mii_media_active |= IFM_10_T;
488 			break;
489 
490 		default:
491 			mii->mii_media_active |= IFM_NONE;
492 			mii->mii_media_status = 0;
493 		}
494 		if (mii->mii_media_active & IFM_FDX)
495 			mii->mii_media_active |= mii_phy_flowstatus(sc);
496 	} else
497 		mii->mii_media_active = ife->ifm_media;
498 }
499 
500 int
501 brgphy_mii_phy_auto(struct mii_softc *sc)
502 {
503 	int anar, ktcr = 0;
504 
505 	brgphy_loop(sc);
506 	PHY_RESET(sc);
507 	ktcr = GTCR_ADV_1000TFDX|GTCR_ADV_1000THDX;
508 	if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)
509 		ktcr |= GTCR_MAN_MS|GTCR_ADV_MS;
510 	PHY_WRITE(sc, MII_100T2CR, ktcr);
511 	ktcr = PHY_READ(sc, MII_100T2CR);
512 	DELAY(1000);
513 	anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
514 	if (sc->mii_flags & MIIF_DOPAUSE)
515 		anar |= ANAR_FC| ANAR_X_PAUSE_ASYM;
516 
517 	PHY_WRITE(sc, MII_ANAR, anar);
518 	DELAY(1000);
519 	PHY_WRITE(sc, MII_BMCR,
520 	    BMCR_AUTOEN | BMCR_STARTNEG);
521 	PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
522 
523 	return (EJUSTRETURN);
524 }
525 
526 void
527 brgphy_loop(struct mii_softc *sc)
528 {
529 	u_int32_t bmsr;
530 	int i;
531 
532 	PHY_WRITE(sc, MII_BMCR, BMCR_LOOP);
533 	for (i = 0; i < 15000; i++) {
534 		bmsr = PHY_READ(sc, MII_BMSR);
535 		if (!(bmsr & BMSR_LINK))
536 			break;
537 		DELAY(10);
538 	}
539 }
540 
541 static void
542 brgphy_5401_reset(struct mii_softc *sc)
543 {
544 
545 	mii_phy_reset(sc);
546 	bcm5401_load_dspcode(sc);
547 }
548 
549 static void
550 brgphy_5411_reset(struct mii_softc *sc)
551 {
552 
553 	mii_phy_reset(sc);
554 	bcm5411_load_dspcode(sc);
555 }
556 
557 
558 static void
559 brgphy_5703_reset(struct mii_softc *sc)
560 {
561 
562 	mii_phy_reset(sc);
563 	bcm5703_load_dspcode(sc);
564 }
565 
566 static void
567 brgphy_5704_reset(struct mii_softc *sc)
568 {
569 
570 	mii_phy_reset(sc);
571 	bcm5704_load_dspcode(sc);
572 }
573 
574 /*
575  * Hardware bug workaround.  Do nothing since after
576  * reset the 5705 PHY would get stuck in 10/100 MII mode.
577  */
578 
579 static void
580 brgphy_5705_reset(struct mii_softc *sc)
581 {
582 }
583 
584 static void
585 brgphy_5750_reset(struct mii_softc *sc)
586 {
587 	mii_phy_reset(sc);
588 	bcm5750_load_dspcode(sc);
589 }
590 
591 static void
592 brgphy_5755_reset(struct mii_softc *sc)
593 {
594 	mii_phy_reset(sc);
595 	bcm5755_load_dspcode(sc);
596 }
597 
598 /* Turn off tap power management on 5401. */
599 static void
600 bcm5401_load_dspcode(struct mii_softc *sc)
601 {
602 	static const struct {
603 		int		reg;
604 		uint16_t	val;
605 	} dspcode[] = {
606 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
607 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
608 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
609 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
610 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
611 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
612 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
613 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
614 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
615 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
616 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
617 		{ 0,				0 },
618 	};
619 	int i;
620 
621 	for (i = 0; dspcode[i].reg != 0; i++)
622 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
623     delay(40);
624 }
625 
626 static void
627 bcm5411_load_dspcode(struct mii_softc *sc)
628 {
629 	static const struct {
630 		int		reg;
631 		uint16_t	val;
632 	} dspcode[] = {
633 		{ 0x1c,				0x8c23 },
634 		{ 0x1c,				0x8ca3 },
635 		{ 0x1c,				0x8c23 },
636 		{ 0,				0 },
637 	};
638 	int i;
639 
640 	for (i = 0; dspcode[i].reg != 0; i++)
641 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
642 }
643 
644 static void
645 bcm5703_load_dspcode(struct mii_softc *sc)
646 {
647 	static const struct {
648 		int		reg;
649 		uint16_t	val;
650 	} dspcode[] = {
651 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
652 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
653 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
654 		{ 0,				0 },
655 	};
656 	int i;
657 
658 	for (i = 0; dspcode[i].reg != 0; i++)
659 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
660 }
661 
662 static void
663 bcm5704_load_dspcode(struct mii_softc *sc)
664 {
665 	static const struct {
666 		int		reg;
667 		uint16_t	val;
668 	} dspcode[] = {
669 		{ 0x1c,				0x8d68 },
670 		{ 0x1c,				0x8d68 },
671 		{ 0,				0 },
672 	};
673 	int i;
674 
675 	for (i = 0; dspcode[i].reg != 0; i++)
676 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
677 }
678 
679 static void
680 bcm5750_load_dspcode(struct mii_softc *sc)
681 {
682 	static const struct {
683 		int		reg;
684 		uint16_t	val;
685 	} dspcode[] = {
686 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
687 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
688 		{ BRGPHY_MII_DSP_RW_PORT,	0x310b },
689 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
690 		{ BRGPHY_MII_DSP_RW_PORT,	0x9506 },
691 		{ BRGPHY_MII_DSP_ADDR_REG,	0x401f },
692 		{ BRGPHY_MII_DSP_RW_PORT,	0x14e2 },
693 		{ BRGPHY_MII_AUXCTL,		0x0400 },
694 		{ 0,				0 },
695 	};
696 	int i;
697 
698 	for (i = 0; dspcode[i].reg != 0; i++)
699 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
700 }
701 
702 static void
703 bcm5755_load_dspcode(struct mii_softc *sc)
704 {
705 	static const struct {
706 		int		reg;
707 		uint16_t	val;
708 	} dspcode[] = {
709 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
710 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
711 		{ BRGPHY_MII_DSP_RW_PORT,	0x010b },
712 
713 		{ BRGPHY_MII_AUXCTL,		0x0400 },
714 		{ 0,				0 },
715 	};
716 	int i;
717 
718 	for (i = 0; dspcode[i].reg != 0; i++)
719 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
720 }
721