xref: /netbsd-src/sys/dev/mii/brgphy.c (revision 2de962bd804263c16657f586aa00f1704045df8e)
1 /*	$NetBSD: brgphy.c,v 1.39 2008/05/04 17:06:09 xtraeme 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 1.39 2008/05/04 17:06:09 xtraeme 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 	{ 0,				0,
187 	  NULL },
188 };
189 
190 static void bcm5401_load_dspcode(struct mii_softc *);
191 static void bcm5411_load_dspcode(struct mii_softc *);
192 static void bcm5703_load_dspcode(struct mii_softc *);
193 static void bcm5704_load_dspcode(struct mii_softc *);
194 static void bcm5750_load_dspcode(struct mii_softc *);
195 static void bcm5755_load_dspcode(struct mii_softc *);
196 
197 static int
198 brgphymatch(struct device *parent, struct cfdata *match,
199     void *aux)
200 {
201 	struct mii_attach_args *ma = aux;
202 
203 	if (mii_phy_match(ma, brgphys) != NULL)
204 		return (10);
205 
206 	return (0);
207 }
208 
209 static void
210 brgphyattach(struct device *parent, struct device *self, void *aux)
211 {
212 	struct mii_softc *sc = device_private(self);
213 	struct mii_attach_args *ma = aux;
214 	struct mii_data *mii = ma->mii_data;
215 	const struct mii_phydesc *mpd;
216 
217 	mpd = mii_phy_match(ma, brgphys);
218 	aprint_naive(": Media interface\n");
219 	aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
220 
221 	sc->mii_dev = self;
222 	sc->mii_inst = mii->mii_instance;
223 	sc->mii_phy = ma->mii_phyno;
224 	sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
225 	sc->mii_pdata = mii;
226 	sc->mii_flags = ma->mii_flags;
227 	sc->mii_anegticks = MII_ANEGTICKS;
228 
229 	switch (MII_MODEL(ma->mii_id2)) {
230 	case MII_MODEL_BROADCOM_BCM5400:
231 		sc->mii_funcs = &brgphy_5401_funcs;
232 		aprint_normal_dev(self, "using BCM5401 DSP patch\n");
233 		break;
234 
235 	case MII_MODEL_BROADCOM_BCM5401:
236 		if (MII_REV(ma->mii_id2) == 1 || MII_REV(ma->mii_id2) == 3) {
237 			sc->mii_funcs = &brgphy_5401_funcs;
238 			aprint_normal_dev(self, "using BCM5401 DSP patch\n");
239 		} else
240 			sc->mii_funcs = &brgphy_funcs;
241 		break;
242 
243 	case MII_MODEL_BROADCOM_BCM5411:
244 		sc->mii_funcs = &brgphy_5411_funcs;
245 		aprint_normal_dev(self, "using BCM5411 DSP patch\n");
246 		break;
247 
248 #ifdef notyet /* unverified, untested */
249 	case MII_MODEL_BROADCOM_BCM5703:
250 		sc->mii_funcs = &brgphy_5703_funcs;
251 		aprint_normal_dev(self, "using BCM5703 DSP patch\n");
252 		break;
253 #endif
254 
255 	case MII_MODEL_BROADCOM_BCM5704:
256 		sc->mii_funcs = &brgphy_5704_funcs;
257 		aprint_normal_dev(self, "using BCM5704 DSP patch\n");
258 		break;
259 
260 	case MII_MODEL_BROADCOM_BCM5705:
261 		sc->mii_funcs = &brgphy_5705_funcs;
262 		break;
263 
264 	case MII_MODEL_BROADCOM_BCM5714:
265 	case MII_MODEL_BROADCOM_BCM5780:
266 	case MII_MODEL_BROADCOM_BCM5708C:
267 	case MII_MODEL_BROADCOM_BCM5750:
268 	case MII_MODEL_BROADCOM_BCM5752:
269 		sc->mii_funcs = &brgphy_5750_funcs;
270 		break;
271 
272 	case MII_MODEL_BROADCOM2_BCM5754:
273 	case MII_MODEL_BROADCOM2_BCM5755:
274 		sc->mii_funcs = &brgphy_5755_funcs;
275 		break;
276 
277 	default:
278 		sc->mii_funcs = &brgphy_funcs;
279 		break;
280 	}
281 
282 	PHY_RESET(sc);
283 
284 	sc->mii_capabilities =
285 	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
286 	if (sc->mii_capabilities & BMSR_EXTSTAT)
287 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
288 
289 	aprint_normal_dev(self, "");
290 	if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
291 	    (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
292 		aprint_error("no media present");
293 	else
294 		mii_phy_add_media(sc);
295 	aprint_normal("\n");
296 
297 	if (!pmf_device_register(self, NULL, mii_phy_resume))
298 		aprint_error_dev(self, "couldn't establish power handler\n");
299 }
300 
301 static int
302 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
303 {
304 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
305 	int reg, speed, gig;
306 
307 	switch (cmd) {
308 	case MII_POLLSTAT:
309 		/*
310 		 * If we're not polling our PHY instance, just return.
311 		 */
312 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
313 			return (0);
314 		break;
315 
316 	case MII_MEDIACHG:
317 		/*
318 		 * If the media indicates a different PHY instance,
319 		 * isolate ourselves.
320 		 */
321 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
322 			reg = PHY_READ(sc, MII_BMCR);
323 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
324 			return (0);
325 		}
326 
327 		/*
328 		 * If the interface is not up, don't do anything.
329 		 */
330 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
331 			break;
332 
333 		PHY_RESET(sc); /* XXX hardware bug work-around */
334 
335 		switch (IFM_SUBTYPE(ife->ifm_media)) {
336 		case IFM_AUTO:
337 			(void) brgphy_mii_phy_auto(sc);
338 			break;
339 		case IFM_1000_T:
340 			speed = BMCR_S1000;
341 			goto setit;
342 		case IFM_100_TX:
343 			speed = BMCR_S100;
344 			goto setit;
345 		case IFM_10_T:
346 			speed = BMCR_S10;
347 setit:
348 			brgphy_loop(sc);
349 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
350 				speed |= BMCR_FDX;
351 				gig = GTCR_ADV_1000TFDX;
352 			} else {
353 				gig = GTCR_ADV_1000THDX;
354 			}
355 
356 			PHY_WRITE(sc, MII_100T2CR, 0);
357 			PHY_WRITE(sc, MII_BMCR, speed);
358 			PHY_WRITE(sc, MII_ANAR, ANAR_CSMA);
359 
360 			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
361 				break;
362 
363 			PHY_WRITE(sc, MII_100T2CR, gig);
364 			PHY_WRITE(sc, MII_BMCR,
365 			    speed|BMCR_AUTOEN|BMCR_STARTNEG);
366 
367 			if (sc->mii_mpd_model != MII_MODEL_BROADCOM_BCM5701)
368 				break;
369 
370 			if (mii->mii_media.ifm_media & IFM_ETH_MASTER)
371 				gig |= GTCR_MAN_MS | GTCR_ADV_MS;
372 			PHY_WRITE(sc, MII_100T2CR, gig);
373 			break;
374 		default:
375 			return (EINVAL);
376 		}
377 		break;
378 
379 	case MII_TICK:
380 		/*
381 		 * If we're not currently selected, just return.
382 		 */
383 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
384 			return (0);
385 
386 		if (mii_phy_tick(sc) == EJUSTRETURN)
387 			return (0);
388 		break;
389 
390 	case MII_DOWN:
391 		mii_phy_down(sc);
392 		return (0);
393 	}
394 
395 	/* Update the media status. */
396 	mii_phy_status(sc);
397 
398 	/*
399 	 * Callback if something changed. Note that we need to poke the DSP on
400 	 * the Broadcom PHYs if the media changes.
401 	 */
402 	if (sc->mii_media_active != mii->mii_media_active ||
403 	    sc->mii_media_status != mii->mii_media_status ||
404 	    cmd == MII_MEDIACHG) {
405 		mii_phy_update(sc, cmd);
406 		if (sc->mii_funcs == &brgphy_5401_funcs)
407 			bcm5401_load_dspcode(sc);
408 		else if (sc->mii_funcs == &brgphy_5411_funcs)
409 			bcm5411_load_dspcode(sc);
410 	}
411 	return (0);
412 }
413 
414 static void
415 brgphy_status(struct mii_softc *sc)
416 {
417 	struct mii_data *mii = sc->mii_pdata;
418 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
419 	int bmcr, auxsts, gtsr;
420 
421 	mii->mii_media_status = IFM_AVALID;
422 	mii->mii_media_active = IFM_ETHER;
423 
424 	auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS);
425 
426 	if (auxsts & BRGPHY_AUXSTS_LINK)
427 		mii->mii_media_status |= IFM_ACTIVE;
428 
429 	bmcr = PHY_READ(sc, MII_BMCR);
430 	if (bmcr & BMCR_ISO) {
431 		mii->mii_media_active |= IFM_NONE;
432 		mii->mii_media_status = 0;
433 		return;
434 	}
435 
436 	if (bmcr & BMCR_LOOP)
437 		mii->mii_media_active |= IFM_LOOP;
438 
439 	if (bmcr & BMCR_AUTOEN) {
440 		/*
441 		 * The media status bits are only valid of autonegotiation
442 		 * has completed (or it's disabled).
443 		 */
444 		if ((auxsts & BRGPHY_AUXSTS_ACOMP) == 0) {
445 			/* Erg, still trying, I guess... */
446 			mii->mii_media_active |= IFM_NONE;
447 			return;
448 		}
449 
450 		switch (auxsts & BRGPHY_AUXSTS_AN_RES) {
451 		case BRGPHY_RES_1000FD:
452 			mii->mii_media_active |= IFM_1000_T|IFM_FDX;
453 			gtsr = PHY_READ(sc, MII_100T2SR);
454 			if (gtsr & GTSR_MS_RES)
455 				mii->mii_media_active |= IFM_ETH_MASTER;
456 			break;
457 
458 		case BRGPHY_RES_1000HD:
459 			mii->mii_media_active |= IFM_1000_T;
460 			gtsr = PHY_READ(sc, MII_100T2SR);
461 			if (gtsr & GTSR_MS_RES)
462 				mii->mii_media_active |= IFM_ETH_MASTER;
463 			break;
464 
465 		case BRGPHY_RES_100FD:
466 			mii->mii_media_active |= IFM_100_TX|IFM_FDX;
467 			break;
468 
469 		case BRGPHY_RES_100T4:
470 			mii->mii_media_active |= IFM_100_T4;
471 			break;
472 
473 		case BRGPHY_RES_100HD:
474 			mii->mii_media_active |= IFM_100_TX;
475 			break;
476 
477 		case BRGPHY_RES_10FD:
478 			mii->mii_media_active |= IFM_10_T|IFM_FDX;
479 			break;
480 
481 		case BRGPHY_RES_10HD:
482 			mii->mii_media_active |= IFM_10_T;
483 			break;
484 
485 		default:
486 			mii->mii_media_active |= IFM_NONE;
487 			mii->mii_media_status = 0;
488 		}
489 		if (mii->mii_media_active & IFM_FDX)
490 			mii->mii_media_active |= mii_phy_flowstatus(sc);
491 	} else
492 		mii->mii_media_active = ife->ifm_media;
493 }
494 
495 int
496 brgphy_mii_phy_auto(struct mii_softc *sc)
497 {
498 	int anar, ktcr = 0;
499 
500 	brgphy_loop(sc);
501 	PHY_RESET(sc);
502 	ktcr = GTCR_ADV_1000TFDX|GTCR_ADV_1000THDX;
503 	if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)
504 		ktcr |= GTCR_MAN_MS|GTCR_ADV_MS;
505 	PHY_WRITE(sc, MII_100T2CR, ktcr);
506 	ktcr = PHY_READ(sc, MII_100T2CR);
507 	DELAY(1000);
508 	anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
509 	if (sc->mii_flags & MIIF_DOPAUSE)
510 		anar |= ANAR_FC| ANAR_X_PAUSE_ASYM;
511 
512 	PHY_WRITE(sc, MII_ANAR, anar);
513 	DELAY(1000);
514 	PHY_WRITE(sc, MII_BMCR,
515 	    BMCR_AUTOEN | BMCR_STARTNEG);
516 	PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
517 
518 	return (EJUSTRETURN);
519 }
520 
521 void
522 brgphy_loop(struct mii_softc *sc)
523 {
524 	u_int32_t bmsr;
525 	int i;
526 
527 	PHY_WRITE(sc, MII_BMCR, BMCR_LOOP);
528 	for (i = 0; i < 15000; i++) {
529 		bmsr = PHY_READ(sc, MII_BMSR);
530 		if (!(bmsr & BMSR_LINK))
531 			break;
532 		DELAY(10);
533 	}
534 }
535 
536 static void
537 brgphy_5401_reset(struct mii_softc *sc)
538 {
539 
540 	mii_phy_reset(sc);
541 	bcm5401_load_dspcode(sc);
542 }
543 
544 static void
545 brgphy_5411_reset(struct mii_softc *sc)
546 {
547 
548 	mii_phy_reset(sc);
549 	bcm5411_load_dspcode(sc);
550 }
551 
552 
553 static void
554 brgphy_5703_reset(struct mii_softc *sc)
555 {
556 
557 	mii_phy_reset(sc);
558 	bcm5703_load_dspcode(sc);
559 }
560 
561 static void
562 brgphy_5704_reset(struct mii_softc *sc)
563 {
564 
565 	mii_phy_reset(sc);
566 	bcm5704_load_dspcode(sc);
567 }
568 
569 /*
570  * Hardware bug workaround.  Do nothing since after
571  * reset the 5705 PHY would get stuck in 10/100 MII mode.
572  */
573 
574 static void
575 brgphy_5705_reset(struct mii_softc *sc)
576 {
577 }
578 
579 static void
580 brgphy_5750_reset(struct mii_softc *sc)
581 {
582 	mii_phy_reset(sc);
583 	bcm5750_load_dspcode(sc);
584 }
585 
586 static void
587 brgphy_5755_reset(struct mii_softc *sc)
588 {
589 	mii_phy_reset(sc);
590 	bcm5755_load_dspcode(sc);
591 }
592 
593 /* Turn off tap power management on 5401. */
594 static void
595 bcm5401_load_dspcode(struct mii_softc *sc)
596 {
597 	static const struct {
598 		int		reg;
599 		uint16_t	val;
600 	} dspcode[] = {
601 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
602 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
603 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
604 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
605 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
606 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
607 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
608 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
609 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
610 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
611 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
612 		{ 0,				0 },
613 	};
614 	int i;
615 
616 	for (i = 0; dspcode[i].reg != 0; i++)
617 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
618     delay(40);
619 }
620 
621 static void
622 bcm5411_load_dspcode(struct mii_softc *sc)
623 {
624 	static const struct {
625 		int		reg;
626 		uint16_t	val;
627 	} dspcode[] = {
628 		{ 0x1c,				0x8c23 },
629 		{ 0x1c,				0x8ca3 },
630 		{ 0x1c,				0x8c23 },
631 		{ 0,				0 },
632 	};
633 	int i;
634 
635 	for (i = 0; dspcode[i].reg != 0; i++)
636 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
637 }
638 
639 static void
640 bcm5703_load_dspcode(struct mii_softc *sc)
641 {
642 	static const struct {
643 		int		reg;
644 		uint16_t	val;
645 	} dspcode[] = {
646 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
647 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
648 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
649 		{ 0,				0 },
650 	};
651 	int i;
652 
653 	for (i = 0; dspcode[i].reg != 0; i++)
654 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
655 }
656 
657 static void
658 bcm5704_load_dspcode(struct mii_softc *sc)
659 {
660 	static const struct {
661 		int		reg;
662 		uint16_t	val;
663 	} dspcode[] = {
664 		{ 0x1c,				0x8d68 },
665 		{ 0x1c,				0x8d68 },
666 		{ 0,				0 },
667 	};
668 	int i;
669 
670 	for (i = 0; dspcode[i].reg != 0; i++)
671 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
672 }
673 
674 static void
675 bcm5750_load_dspcode(struct mii_softc *sc)
676 {
677 	static const struct {
678 		int		reg;
679 		uint16_t	val;
680 	} dspcode[] = {
681 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
682 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
683 		{ BRGPHY_MII_DSP_RW_PORT,	0x310b },
684 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
685 		{ BRGPHY_MII_DSP_RW_PORT,	0x9506 },
686 		{ BRGPHY_MII_DSP_ADDR_REG,	0x401f },
687 		{ BRGPHY_MII_DSP_RW_PORT,	0x14e2 },
688 		{ BRGPHY_MII_AUXCTL,		0x0400 },
689 		{ 0,				0 },
690 	};
691 	int i;
692 
693 	for (i = 0; dspcode[i].reg != 0; i++)
694 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
695 }
696 
697 static void
698 bcm5755_load_dspcode(struct mii_softc *sc)
699 {
700 	static const struct {
701 		int		reg;
702 		uint16_t	val;
703 	} dspcode[] = {
704 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
705 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
706 		{ BRGPHY_MII_DSP_RW_PORT,	0x010b },
707 
708 		{ BRGPHY_MII_AUXCTL,		0x0400 },
709 		{ 0,				0 },
710 	};
711 	int i;
712 
713 	for (i = 0; dspcode[i].reg != 0; i++)
714 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
715 }
716