xref: /netbsd-src/sys/dev/mii/brgphy.c (revision 274254cdae52594c1aa480a736aef78313d15c9c)
1 /*	$NetBSD: brgphy.c,v 1.42 2009/04/07 18:05:54 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 1.42 2009/04/07 18:05:54 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_DECL3_NEW(brgphy, sizeof(struct mii_softc),
92     brgphymatch, brgphyattach, mii_phy_detach, mii_phy_activate, NULL, NULL,
93     DVF_DETACH_SHUTDOWN);
94 
95 static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
96 static void	brgphy_status(struct mii_softc *);
97 static int	brgphy_mii_phy_auto(struct mii_softc *);
98 static void	brgphy_loop(struct mii_softc *);
99 
100 static void	brgphy_5401_reset(struct mii_softc *);
101 static void	brgphy_5411_reset(struct mii_softc *);
102 static void	brgphy_5703_reset(struct mii_softc *);
103 static void	brgphy_5704_reset(struct mii_softc *);
104 static void	brgphy_5705_reset(struct mii_softc *);
105 static void	brgphy_5750_reset(struct mii_softc *);
106 static void	brgphy_5755_reset(struct mii_softc *);
107 
108 static const struct mii_phy_funcs brgphy_funcs = {
109 	brgphy_service, brgphy_status, mii_phy_reset,
110 };
111 
112 static const struct mii_phy_funcs brgphy_5401_funcs = {
113 	brgphy_service, brgphy_status, brgphy_5401_reset,
114 };
115 
116 static const struct mii_phy_funcs brgphy_5411_funcs = {
117 	brgphy_service, brgphy_status, brgphy_5411_reset,
118 };
119 
120 static const struct mii_phy_funcs brgphy_5703_funcs = {
121 	brgphy_service, brgphy_status, brgphy_5703_reset,
122 };
123 
124 static const struct mii_phy_funcs brgphy_5704_funcs = {
125 	brgphy_service, brgphy_status, brgphy_5704_reset,
126 };
127 
128 static const struct mii_phy_funcs brgphy_5705_funcs = {
129 	brgphy_service, brgphy_status, brgphy_5705_reset,
130 };
131 
132 const struct mii_phy_funcs brgphy_5750_funcs = {
133 	brgphy_service, brgphy_status, brgphy_5750_reset,
134 };
135 
136 const struct mii_phy_funcs brgphy_5755_funcs = {
137 	brgphy_service, brgphy_status, brgphy_5755_reset,
138 };
139 
140 
141 static const struct mii_phydesc brgphys[] = {
142 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5400,
143 	  MII_STR_BROADCOM_BCM5400 },
144 
145 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5401,
146 	  MII_STR_BROADCOM_BCM5401 },
147 
148 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5411,
149 	  MII_STR_BROADCOM_BCM5411 },
150 
151 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5421,
152 	  MII_STR_BROADCOM_BCM5421 },
153 
154 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5701,
155 	  MII_STR_BROADCOM_BCM5701 },
156 
157 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5703,
158 	  MII_STR_BROADCOM_BCM5703 },
159 
160 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5704,
161 	  MII_STR_BROADCOM_BCM5704 },
162 
163 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5705,
164 	  MII_STR_BROADCOM_BCM5705 },
165 
166 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5714,
167 	  MII_STR_BROADCOM_BCM5714 },
168 
169 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5750,
170 	  MII_STR_BROADCOM_BCM5750 },
171 
172 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5752,
173 	  MII_STR_BROADCOM_BCM5752 },
174 
175 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5780,
176 	  MII_STR_BROADCOM_BCM5780 },
177 
178 	{ MII_OUI_BROADCOM,		MII_MODEL_BROADCOM_BCM5708C,
179 	  MII_STR_BROADCOM_BCM5708C },
180 
181 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5755,
182 	  MII_STR_BROADCOM2_BCM5755 },
183 
184 	{ MII_OUI_BROADCOM2,		MII_MODEL_BROADCOM2_BCM5754,
185 	  MII_STR_BROADCOM2_BCM5754 },
186 
187 	{ MII_OUI_xxBROADCOM_ALT1,	MII_MODEL_xxBROADCOM_ALT1_BCM5906,
188 	  MII_STR_xxBROADCOM_ALT1_BCM5906 },
189 
190 	{ 0,				0,
191 	  NULL },
192 };
193 
194 static void bcm5401_load_dspcode(struct mii_softc *);
195 static void bcm5411_load_dspcode(struct mii_softc *);
196 static void bcm5703_load_dspcode(struct mii_softc *);
197 static void bcm5704_load_dspcode(struct mii_softc *);
198 static void bcm5750_load_dspcode(struct mii_softc *);
199 static void bcm5755_load_dspcode(struct mii_softc *);
200 
201 static int
202 brgphymatch(struct device *parent, struct cfdata *match,
203     void *aux)
204 {
205 	struct mii_attach_args *ma = aux;
206 
207 	if (mii_phy_match(ma, brgphys) != NULL)
208 		return (10);
209 
210 	return (0);
211 }
212 
213 static void
214 brgphyattach(struct device *parent, struct device *self, void *aux)
215 {
216 	struct mii_softc *sc = device_private(self);
217 	struct mii_attach_args *ma = aux;
218 	struct mii_data *mii = ma->mii_data;
219 	const struct mii_phydesc *mpd;
220 
221 	mpd = mii_phy_match(ma, brgphys);
222 	aprint_naive(": Media interface\n");
223 	aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
224 
225 	sc->mii_dev = self;
226 	sc->mii_inst = mii->mii_instance;
227 	sc->mii_phy = ma->mii_phyno;
228 	sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
229 	sc->mii_pdata = mii;
230 	sc->mii_flags = ma->mii_flags;
231 	sc->mii_anegticks = MII_ANEGTICKS;
232 
233 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM_ALT1) {
234 		sc->mii_funcs = &brgphy_5750_funcs;
235 		aprint_normal_dev(self, "using BCM5750 DSP patch\n");
236 	} else {
237 		switch (MII_MODEL(ma->mii_id2)) {
238 		case MII_MODEL_BROADCOM_BCM5400:
239 			sc->mii_funcs = &brgphy_5401_funcs;
240 			aprint_normal_dev(self, "using BCM5401 DSP patch\n");
241 			break;
242 
243 		case MII_MODEL_BROADCOM_BCM5401:
244 			if (MII_REV(ma->mii_id2) == 1 || MII_REV(ma->mii_id2) == 3) {
245 				sc->mii_funcs = &brgphy_5401_funcs;
246 				aprint_normal_dev(self, "using BCM5401 DSP patch\n");
247 			} else
248 				sc->mii_funcs = &brgphy_funcs;
249 			break;
250 
251 		case MII_MODEL_BROADCOM_BCM5411:
252 			sc->mii_funcs = &brgphy_5411_funcs;
253 			aprint_normal_dev(self, "using BCM5411 DSP patch\n");
254 			break;
255 
256 	#ifdef notyet /* unverified, untested */
257 		case MII_MODEL_BROADCOM_BCM5703:
258 			sc->mii_funcs = &brgphy_5703_funcs;
259 			aprint_normal_dev(self, "using BCM5703 DSP patch\n");
260 			break;
261 	#endif
262 
263 		case MII_MODEL_BROADCOM_BCM5704:
264 			sc->mii_funcs = &brgphy_5704_funcs;
265 			aprint_normal_dev(self, "using BCM5704 DSP patch\n");
266 			break;
267 
268 		case MII_MODEL_BROADCOM_BCM5705:
269 			sc->mii_funcs = &brgphy_5705_funcs;
270 			break;
271 
272 		case MII_MODEL_BROADCOM_BCM5714:
273 		case MII_MODEL_BROADCOM_BCM5780:
274 		case MII_MODEL_BROADCOM_BCM5708C:
275 		case MII_MODEL_BROADCOM_BCM5750:
276 		case MII_MODEL_BROADCOM_BCM5752:
277 			sc->mii_funcs = &brgphy_5750_funcs;
278 			break;
279 
280 		case MII_MODEL_BROADCOM2_BCM5754:
281 		case MII_MODEL_BROADCOM2_BCM5755:
282 			sc->mii_funcs = &brgphy_5755_funcs;
283 			break;
284 
285 		default:
286 			sc->mii_funcs = &brgphy_funcs;
287 			break;
288 		}
289 	}
290 
291 	PHY_RESET(sc);
292 
293 	sc->mii_capabilities =
294 	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
295 	if (sc->mii_capabilities & BMSR_EXTSTAT)
296 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
297 
298 	aprint_normal_dev(self, "");
299 	if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 &&
300 	    (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0)
301 		aprint_error("no media present");
302 	else
303 		mii_phy_add_media(sc);
304 	aprint_normal("\n");
305 }
306 
307 static int
308 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
309 {
310 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
311 	int reg, speed, gig;
312 
313 	switch (cmd) {
314 	case MII_POLLSTAT:
315 		/*
316 		 * If we're not polling our PHY instance, just return.
317 		 */
318 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
319 			return (0);
320 		break;
321 
322 	case MII_MEDIACHG:
323 		/*
324 		 * If the media indicates a different PHY instance,
325 		 * isolate ourselves.
326 		 */
327 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
328 			reg = PHY_READ(sc, MII_BMCR);
329 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
330 			return (0);
331 		}
332 
333 		/*
334 		 * If the interface is not up, don't do anything.
335 		 */
336 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
337 			break;
338 
339 		PHY_RESET(sc); /* XXX hardware bug work-around */
340 
341 		switch (IFM_SUBTYPE(ife->ifm_media)) {
342 		case IFM_AUTO:
343 			(void) brgphy_mii_phy_auto(sc);
344 			break;
345 		case IFM_1000_T:
346 			speed = BMCR_S1000;
347 			goto setit;
348 		case IFM_100_TX:
349 			speed = BMCR_S100;
350 			goto setit;
351 		case IFM_10_T:
352 			speed = BMCR_S10;
353 setit:
354 			brgphy_loop(sc);
355 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
356 				speed |= BMCR_FDX;
357 				gig = GTCR_ADV_1000TFDX;
358 			} else {
359 				gig = GTCR_ADV_1000THDX;
360 			}
361 
362 			PHY_WRITE(sc, MII_100T2CR, 0);
363 			PHY_WRITE(sc, MII_BMCR, speed);
364 			PHY_WRITE(sc, MII_ANAR, ANAR_CSMA);
365 
366 			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
367 				break;
368 
369 			PHY_WRITE(sc, MII_100T2CR, gig);
370 			PHY_WRITE(sc, MII_BMCR,
371 			    speed|BMCR_AUTOEN|BMCR_STARTNEG);
372 
373 			if (sc->mii_mpd_model != MII_MODEL_BROADCOM_BCM5701)
374 				break;
375 
376 			if (mii->mii_media.ifm_media & IFM_ETH_MASTER)
377 				gig |= GTCR_MAN_MS | GTCR_ADV_MS;
378 			PHY_WRITE(sc, MII_100T2CR, gig);
379 			break;
380 		default:
381 			return (EINVAL);
382 		}
383 		break;
384 
385 	case MII_TICK:
386 		/*
387 		 * If we're not currently selected, just return.
388 		 */
389 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
390 			return (0);
391 
392 		if (mii_phy_tick(sc) == EJUSTRETURN)
393 			return (0);
394 		break;
395 
396 	case MII_DOWN:
397 		mii_phy_down(sc);
398 		return (0);
399 	}
400 
401 	/* Update the media status. */
402 	mii_phy_status(sc);
403 
404 	/*
405 	 * Callback if something changed. Note that we need to poke the DSP on
406 	 * the Broadcom PHYs if the media changes.
407 	 */
408 	if (sc->mii_media_active != mii->mii_media_active ||
409 	    sc->mii_media_status != mii->mii_media_status ||
410 	    cmd == MII_MEDIACHG) {
411 		mii_phy_update(sc, cmd);
412 		if (sc->mii_funcs == &brgphy_5401_funcs)
413 			bcm5401_load_dspcode(sc);
414 		else if (sc->mii_funcs == &brgphy_5411_funcs)
415 			bcm5411_load_dspcode(sc);
416 	}
417 	return (0);
418 }
419 
420 static void
421 brgphy_status(struct mii_softc *sc)
422 {
423 	struct mii_data *mii = sc->mii_pdata;
424 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
425 	int bmcr, auxsts, gtsr;
426 
427 	mii->mii_media_status = IFM_AVALID;
428 	mii->mii_media_active = IFM_ETHER;
429 
430 	auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS);
431 
432 	if (auxsts & BRGPHY_AUXSTS_LINK)
433 		mii->mii_media_status |= IFM_ACTIVE;
434 
435 	bmcr = PHY_READ(sc, MII_BMCR);
436 	if (bmcr & BMCR_ISO) {
437 		mii->mii_media_active |= IFM_NONE;
438 		mii->mii_media_status = 0;
439 		return;
440 	}
441 
442 	if (bmcr & BMCR_LOOP)
443 		mii->mii_media_active |= IFM_LOOP;
444 
445 	if (bmcr & BMCR_AUTOEN) {
446 		/*
447 		 * The media status bits are only valid of autonegotiation
448 		 * has completed (or it's disabled).
449 		 */
450 		if ((auxsts & BRGPHY_AUXSTS_ACOMP) == 0) {
451 			/* Erg, still trying, I guess... */
452 			mii->mii_media_active |= IFM_NONE;
453 			return;
454 		}
455 
456 		switch (auxsts & BRGPHY_AUXSTS_AN_RES) {
457 		case BRGPHY_RES_1000FD:
458 			mii->mii_media_active |= IFM_1000_T|IFM_FDX;
459 			gtsr = PHY_READ(sc, MII_100T2SR);
460 			if (gtsr & GTSR_MS_RES)
461 				mii->mii_media_active |= IFM_ETH_MASTER;
462 			break;
463 
464 		case BRGPHY_RES_1000HD:
465 			mii->mii_media_active |= IFM_1000_T;
466 			gtsr = PHY_READ(sc, MII_100T2SR);
467 			if (gtsr & GTSR_MS_RES)
468 				mii->mii_media_active |= IFM_ETH_MASTER;
469 			break;
470 
471 		case BRGPHY_RES_100FD:
472 			mii->mii_media_active |= IFM_100_TX|IFM_FDX;
473 			break;
474 
475 		case BRGPHY_RES_100T4:
476 			mii->mii_media_active |= IFM_100_T4;
477 			break;
478 
479 		case BRGPHY_RES_100HD:
480 			mii->mii_media_active |= IFM_100_TX;
481 			break;
482 
483 		case BRGPHY_RES_10FD:
484 			mii->mii_media_active |= IFM_10_T|IFM_FDX;
485 			break;
486 
487 		case BRGPHY_RES_10HD:
488 			mii->mii_media_active |= IFM_10_T;
489 			break;
490 
491 		default:
492 			mii->mii_media_active |= IFM_NONE;
493 			mii->mii_media_status = 0;
494 		}
495 		if (mii->mii_media_active & IFM_FDX)
496 			mii->mii_media_active |= mii_phy_flowstatus(sc);
497 	} else
498 		mii->mii_media_active = ife->ifm_media;
499 }
500 
501 int
502 brgphy_mii_phy_auto(struct mii_softc *sc)
503 {
504 	int anar, ktcr = 0;
505 
506 	brgphy_loop(sc);
507 	PHY_RESET(sc);
508 	ktcr = GTCR_ADV_1000TFDX|GTCR_ADV_1000THDX;
509 	if (sc->mii_mpd_model == MII_MODEL_BROADCOM_BCM5701)
510 		ktcr |= GTCR_MAN_MS|GTCR_ADV_MS;
511 	PHY_WRITE(sc, MII_100T2CR, ktcr);
512 	ktcr = PHY_READ(sc, MII_100T2CR);
513 	DELAY(1000);
514 	anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
515 	if (sc->mii_flags & MIIF_DOPAUSE)
516 		anar |= ANAR_FC| ANAR_X_PAUSE_ASYM;
517 
518 	PHY_WRITE(sc, MII_ANAR, anar);
519 	DELAY(1000);
520 	PHY_WRITE(sc, MII_BMCR,
521 	    BMCR_AUTOEN | BMCR_STARTNEG);
522 	PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
523 
524 	return (EJUSTRETURN);
525 }
526 
527 void
528 brgphy_loop(struct mii_softc *sc)
529 {
530 	u_int32_t bmsr;
531 	int i;
532 
533 	PHY_WRITE(sc, MII_BMCR, BMCR_LOOP);
534 	for (i = 0; i < 15000; i++) {
535 		bmsr = PHY_READ(sc, MII_BMSR);
536 		if (!(bmsr & BMSR_LINK))
537 			break;
538 		DELAY(10);
539 	}
540 }
541 
542 static void
543 brgphy_5401_reset(struct mii_softc *sc)
544 {
545 
546 	mii_phy_reset(sc);
547 	bcm5401_load_dspcode(sc);
548 }
549 
550 static void
551 brgphy_5411_reset(struct mii_softc *sc)
552 {
553 
554 	mii_phy_reset(sc);
555 	bcm5411_load_dspcode(sc);
556 }
557 
558 
559 static void
560 brgphy_5703_reset(struct mii_softc *sc)
561 {
562 
563 	mii_phy_reset(sc);
564 	bcm5703_load_dspcode(sc);
565 }
566 
567 static void
568 brgphy_5704_reset(struct mii_softc *sc)
569 {
570 
571 	mii_phy_reset(sc);
572 	bcm5704_load_dspcode(sc);
573 }
574 
575 /*
576  * Hardware bug workaround.  Do nothing since after
577  * reset the 5705 PHY would get stuck in 10/100 MII mode.
578  */
579 
580 static void
581 brgphy_5705_reset(struct mii_softc *sc)
582 {
583 }
584 
585 static void
586 brgphy_5750_reset(struct mii_softc *sc)
587 {
588 	mii_phy_reset(sc);
589 	bcm5750_load_dspcode(sc);
590 }
591 
592 static void
593 brgphy_5755_reset(struct mii_softc *sc)
594 {
595 	mii_phy_reset(sc);
596 	bcm5755_load_dspcode(sc);
597 }
598 
599 /* Turn off tap power management on 5401. */
600 static void
601 bcm5401_load_dspcode(struct mii_softc *sc)
602 {
603 	static const struct {
604 		int		reg;
605 		uint16_t	val;
606 	} dspcode[] = {
607 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
608 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
609 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
610 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
611 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
612 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
613 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
614 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
615 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
616 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
617 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
618 		{ 0,				0 },
619 	};
620 	int i;
621 
622 	for (i = 0; dspcode[i].reg != 0; i++)
623 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
624     delay(40);
625 }
626 
627 static void
628 bcm5411_load_dspcode(struct mii_softc *sc)
629 {
630 	static const struct {
631 		int		reg;
632 		uint16_t	val;
633 	} dspcode[] = {
634 		{ 0x1c,				0x8c23 },
635 		{ 0x1c,				0x8ca3 },
636 		{ 0x1c,				0x8c23 },
637 		{ 0,				0 },
638 	};
639 	int i;
640 
641 	for (i = 0; dspcode[i].reg != 0; i++)
642 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
643 }
644 
645 static void
646 bcm5703_load_dspcode(struct mii_softc *sc)
647 {
648 	static const struct {
649 		int		reg;
650 		uint16_t	val;
651 	} dspcode[] = {
652 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
653 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
654 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
655 		{ 0,				0 },
656 	};
657 	int i;
658 
659 	for (i = 0; dspcode[i].reg != 0; i++)
660 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
661 }
662 
663 static void
664 bcm5704_load_dspcode(struct mii_softc *sc)
665 {
666 	static const struct {
667 		int		reg;
668 		uint16_t	val;
669 	} dspcode[] = {
670 		{ 0x1c,				0x8d68 },
671 		{ 0x1c,				0x8d68 },
672 		{ 0,				0 },
673 	};
674 	int i;
675 
676 	for (i = 0; dspcode[i].reg != 0; i++)
677 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
678 }
679 
680 static void
681 bcm5750_load_dspcode(struct mii_softc *sc)
682 {
683 	static const struct {
684 		int		reg;
685 		uint16_t	val;
686 	} dspcode[] = {
687 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
688 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
689 		{ BRGPHY_MII_DSP_RW_PORT,	0x310b },
690 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
691 		{ BRGPHY_MII_DSP_RW_PORT,	0x9506 },
692 		{ BRGPHY_MII_DSP_ADDR_REG,	0x401f },
693 		{ BRGPHY_MII_DSP_RW_PORT,	0x14e2 },
694 		{ BRGPHY_MII_AUXCTL,		0x0400 },
695 		{ 0,				0 },
696 	};
697 	int i;
698 
699 	for (i = 0; dspcode[i].reg != 0; i++)
700 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
701 }
702 
703 static void
704 bcm5755_load_dspcode(struct mii_softc *sc)
705 {
706 	static const struct {
707 		int		reg;
708 		uint16_t	val;
709 	} dspcode[] = {
710 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
711 		{ BRGPHY_MII_DSP_ADDR_REG,	0x000a },
712 		{ BRGPHY_MII_DSP_RW_PORT,	0x010b },
713 
714 		{ BRGPHY_MII_AUXCTL,		0x0400 },
715 		{ 0,				0 },
716 	};
717 	int i;
718 
719 	for (i = 0; dspcode[i].reg != 0; i++)
720 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
721 }
722