xref: /freebsd/sys/dev/mii/brgphy.c (revision 66c14b21d3ab0b18376563ba643ddb49b4fd33dd)
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 BCR5400 1000baseTX PHY. Speed is always
38  * 1000mbps; all we need to negotiate here is full or half duplex.
39  */
40 
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/kernel.h>
44 #include <sys/module.h>
45 #include <sys/socket.h>
46 #include <sys/bus.h>
47 
48 
49 #include <net/if.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 static device_method_t brgphy_methods[] = {
72 	/* device interface */
73 	DEVMETHOD(device_probe,		brgphy_probe),
74 	DEVMETHOD(device_attach,	brgphy_attach),
75 	DEVMETHOD(device_detach,	mii_phy_detach),
76 	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
77 	{ 0, 0 }
78 };
79 
80 static devclass_t brgphy_devclass;
81 
82 static driver_t brgphy_driver = {
83 	"brgphy",
84 	brgphy_methods,
85 	sizeof(struct mii_softc)
86 };
87 
88 DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
89 
90 static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
91 static void	brgphy_status(struct mii_softc *);
92 static int	brgphy_mii_phy_auto(struct mii_softc *);
93 static void	brgphy_reset(struct mii_softc *);
94 static void	brgphy_loop(struct mii_softc *);
95 static void	bcm5401_load_dspcode(struct mii_softc *);
96 static void	bcm5411_load_dspcode(struct mii_softc *);
97 static void	bcm5703_load_dspcode(struct mii_softc *);
98 static void	bcm5750_load_dspcode(struct mii_softc *);
99 static int	brgphy_mii_model;
100 
101 static int
102 brgphy_probe(device_t dev)
103 {
104 	struct mii_attach_args *ma;
105 
106 	ma = device_get_ivars(dev);
107 
108 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
109 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5400) {
110 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5400);
111 		return(0);
112 	}
113 
114 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
115 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5401) {
116 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5401);
117 		return(0);
118 	}
119 
120 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
121 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5411) {
122 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5411);
123 		return(0);
124 	}
125 
126 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
127 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5701) {
128 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5701);
129 		return(0);
130 	}
131 
132 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
133 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5703) {
134 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5703);
135 		return(0);
136 	}
137 
138 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
139 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5704) {
140 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5704);
141 		return(0);
142 	}
143 
144 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
145 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5705) {
146 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5705);
147 		return(0);
148 	}
149 
150 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
151 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5750) {
152 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5750);
153 		return(0);
154 	}
155 
156 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
157 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5714) {
158 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5714);
159 		return(0);
160 	}
161 
162 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
163 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5780) {
164 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5780);
165 		return (0);
166 	}
167 
168 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
169 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5706C) {
170 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5706C);
171 		return(0);
172 	}
173 
174 	if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxBROADCOM &&
175 	    MII_MODEL(ma->mii_id2) == MII_MODEL_xxBROADCOM_BCM5708C) {
176 		device_set_desc(dev, MII_STR_xxBROADCOM_BCM5708C);
177 		return(0);
178 	}
179 
180 	return(ENXIO);
181 }
182 
183 static int
184 brgphy_attach(device_t dev)
185 {
186 	struct mii_softc *sc;
187 	struct mii_attach_args *ma;
188 	struct mii_data *mii;
189 	const char *sep = "";
190 	struct bge_softc *bge_sc = NULL;
191 	struct bce_softc *bce_sc = NULL;
192 	int fast_ether_only = FALSE;
193 
194 	sc = device_get_softc(dev);
195 	ma = device_get_ivars(dev);
196 	sc->mii_dev = device_get_parent(dev);
197 	mii = device_get_softc(sc->mii_dev);
198 	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
199 
200 	sc->mii_inst = mii->mii_instance;
201 	sc->mii_phy = ma->mii_phyno;
202 	sc->mii_service = brgphy_service;
203 	sc->mii_pdata = mii;
204 
205 	sc->mii_flags |= MIIF_NOISOLATE;
206 	mii->mii_instance++;
207 
208 #define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
209 #define PRINT(s)	printf("%s%s", sep, s); sep = ", "
210 
211 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
212 	    BMCR_ISO);
213 #if 0
214 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
215 	    BMCR_LOOP|BMCR_S100);
216 #endif
217 
218 	brgphy_mii_model = MII_MODEL(ma->mii_id2);
219 	brgphy_reset(sc);
220 
221 
222 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
223 	sc->mii_capabilities &= ~BMSR_ANEG;
224 	device_printf(dev, " ");
225 	mii_add_media(sc);
226 
227 	/* Find the driver associated with this PHY. */
228 	if (strcmp(mii->mii_ifp->if_dname, "bge") == 0)	{
229  		bge_sc = mii->mii_ifp->if_softc;
230 	} else if (strcmp(mii->mii_ifp->if_dname, "bce") == 0) {
231 		bce_sc = mii->mii_ifp->if_softc;
232 	}
233 
234 	/* The 590x chips are 10/100 only. */
235 	if (strcmp(mii->mii_ifp->if_dname, "bge") == 0 &&
236 	    pci_get_vendor(bge_sc->bge_dev) == BCOM_VENDORID &&
237 	    (pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901 ||
238 	    pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901A2))
239 		fast_ether_only = TRUE;
240 
241 	if (fast_ether_only == FALSE) {
242 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0,
243 		    sc->mii_inst), BRGPHY_BMCR_FDX);
244 		PRINT(", 1000baseTX");
245 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T,
246 		    IFM_FDX, sc->mii_inst), 0);
247 		PRINT("1000baseTX-FDX");
248 	}
249 
250 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
251 	PRINT("auto");
252 
253 	printf("\n");
254 #undef ADD
255 #undef PRINT
256 
257 	MIIBUS_MEDIAINIT(sc->mii_dev);
258 	return(0);
259 }
260 
261 static int
262 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
263 {
264 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
265 	int reg, speed, gig;
266 
267 	switch (cmd) {
268 	case MII_POLLSTAT:
269 		/*
270 		 * If we're not polling our PHY instance, just return.
271 		 */
272 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
273 			return (0);
274 		break;
275 
276 	case MII_MEDIACHG:
277 		/*
278 		 * If the media indicates a different PHY instance,
279 		 * isolate ourselves.
280 		 */
281 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
282 			reg = PHY_READ(sc, MII_BMCR);
283 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
284 			return (0);
285 		}
286 
287 		/*
288 		 * If the interface is not up, don't do anything.
289 		 */
290 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
291 			break;
292 
293 		brgphy_reset(sc);	/* XXX hardware bug work-around */
294 
295 		switch (IFM_SUBTYPE(ife->ifm_media)) {
296 		case IFM_AUTO:
297 #ifdef foo
298 			/*
299 			 * If we're already in auto mode, just return.
300 			 */
301 			if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN)
302 				return (0);
303 #endif
304 			(void) brgphy_mii_phy_auto(sc);
305 			break;
306 		case IFM_1000_T:
307 			speed = BRGPHY_S1000;
308 			goto setit;
309 		case IFM_100_TX:
310 			speed = BRGPHY_S100;
311 			goto setit;
312 		case IFM_10_T:
313 			speed = BRGPHY_S10;
314 setit:
315 			brgphy_loop(sc);
316 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
317 				speed |= BRGPHY_BMCR_FDX;
318 				gig = BRGPHY_1000CTL_AFD;
319 			} else {
320 				gig = BRGPHY_1000CTL_AHD;
321 			}
322 
323 			PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
324 			PHY_WRITE(sc, BRGPHY_MII_BMCR, speed);
325 			PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
326 
327 			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
328 				break;
329 
330 			PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
331 			PHY_WRITE(sc, BRGPHY_MII_BMCR,
332 			    speed|BRGPHY_BMCR_AUTOEN|BRGPHY_BMCR_STARTNEG);
333 
334 			if (brgphy_mii_model != MII_MODEL_xxBROADCOM_BCM5701)
335 				break;
336 
337 			/*
338 			 * When settning the link manually, one side must
339 			 * be the master and the other the slave. However
340 			 * ifmedia doesn't give us a good way to specify
341 			 * this, so we fake it by using one of the LINK
342 			 * flags. If LINK0 is set, we program the PHY to
343 			 * be a master, otherwise it's a slave.
344 			 */
345 			if ((mii->mii_ifp->if_flags & IFF_LINK0)) {
346 				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
347 				    gig|BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC);
348 			} else {
349 				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
350 				    gig|BRGPHY_1000CTL_MSE);
351 			}
352 			break;
353 #ifdef foo
354 		case IFM_NONE:
355 			PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN);
356 			break;
357 #endif
358 		case IFM_100_T4:
359 		default:
360 			return (EINVAL);
361 		}
362 		break;
363 
364 	case MII_TICK:
365 		/*
366 		 * If we're not currently selected, just return.
367 		 */
368 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
369 			return (0);
370 
371 		/*
372 		 * Is the interface even up?
373 		 */
374 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
375 			return (0);
376 
377 		/*
378 		 * Only used for autonegotiation.
379 		 */
380 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
381 			break;
382 
383 		/*
384 		 * Check to see if we have link.  If we do, we don't
385 		 * need to restart the autonegotiation process.  Read
386 		 * the BMSR twice in case it's latched.
387 		 */
388 		reg = PHY_READ(sc, BRGPHY_MII_AUXSTS);
389 		if (reg & BRGPHY_AUXSTS_LINK)
390 			break;
391 
392 		/*
393 		 * Only retry autonegotiation every 5 seconds.
394 		 */
395 		if (++sc->mii_ticks <= 5)
396 			break;
397 
398 		sc->mii_ticks = 0;
399 		brgphy_mii_phy_auto(sc);
400 		break;
401 	}
402 
403 	/* Update the media status. */
404 	brgphy_status(sc);
405 
406 	/*
407 	 * Callback if something changed. Note that we need to poke
408 	 * the DSP on the Broadcom PHYs if the media changes.
409 	 *
410 	 */
411 	if (sc->mii_media_active != mii->mii_media_active ||
412 	    sc->mii_media_status != mii->mii_media_status ||
413 	    cmd == MII_MEDIACHG) {
414 		switch (brgphy_mii_model) {
415 		case MII_MODEL_xxBROADCOM_BCM5400:
416 		case MII_MODEL_xxBROADCOM_BCM5401:
417 			bcm5401_load_dspcode(sc);
418 			break;
419 		case MII_MODEL_xxBROADCOM_BCM5411:
420 			bcm5411_load_dspcode(sc);
421 			break;
422 		}
423 	}
424 	mii_phy_update(sc, cmd);
425 	return (0);
426 }
427 
428 static void
429 brgphy_status(struct mii_softc *sc)
430 {
431 	struct mii_data *mii = sc->mii_pdata;
432 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
433 	int bmsr, bmcr;
434 
435 	mii->mii_media_status = IFM_AVALID;
436 	mii->mii_media_active = IFM_ETHER;
437 
438 	bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
439 	if (PHY_READ(sc, BRGPHY_MII_AUXSTS) & BRGPHY_AUXSTS_LINK)
440 		mii->mii_media_status |= IFM_ACTIVE;
441 
442 	bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
443 
444 	if (bmcr & BRGPHY_BMCR_LOOP)
445 		mii->mii_media_active |= IFM_LOOP;
446 
447 	if (bmcr & BRGPHY_BMCR_AUTOEN) {
448 		if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
449 			/* Erg, still trying, I guess... */
450 			mii->mii_media_active |= IFM_NONE;
451 			return;
452 		}
453 
454 		switch (PHY_READ(sc, BRGPHY_MII_AUXSTS) &
455 		    BRGPHY_AUXSTS_AN_RES) {
456 		case BRGPHY_RES_1000FD:
457 			mii->mii_media_active |= IFM_1000_T | IFM_FDX;
458 			break;
459 		case BRGPHY_RES_1000HD:
460 			mii->mii_media_active |= IFM_1000_T | IFM_HDX;
461 			break;
462 		case BRGPHY_RES_100FD:
463 			mii->mii_media_active |= IFM_100_TX | IFM_FDX;
464 			break;
465 		case BRGPHY_RES_100T4:
466 			mii->mii_media_active |= IFM_100_T4;
467 			break;
468 		case BRGPHY_RES_100HD:
469 			mii->mii_media_active |= IFM_100_TX | IFM_HDX;
470 			break;
471 		case BRGPHY_RES_10FD:
472 			mii->mii_media_active |= IFM_10_T | IFM_FDX;
473 			break;
474 		case BRGPHY_RES_10HD:
475 			mii->mii_media_active |= IFM_10_T | IFM_HDX;
476 			break;
477 		default:
478 			mii->mii_media_active |= IFM_NONE;
479 			break;
480 		}
481 		return;
482 	}
483 
484 	mii->mii_media_active = ife->ifm_media;
485 
486 	return;
487 }
488 
489 
490 static int
491 brgphy_mii_phy_auto(struct mii_softc *mii)
492 {
493 	int ktcr = 0;
494 
495 	brgphy_loop(mii);
496 	brgphy_reset(mii);
497 	ktcr = BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD;
498 	if (brgphy_mii_model == MII_MODEL_xxBROADCOM_BCM5701)
499 		ktcr |= BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC;
500 	PHY_WRITE(mii, BRGPHY_MII_1000CTL, ktcr);
501 	ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
502 	DELAY(1000);
503 	PHY_WRITE(mii, BRGPHY_MII_ANAR,
504 	    BMSR_MEDIA_TO_ANAR(mii->mii_capabilities) | ANAR_CSMA);
505 	DELAY(1000);
506 	PHY_WRITE(mii, BRGPHY_MII_BMCR,
507 	    BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
508 	PHY_WRITE(mii, BRGPHY_MII_IMR, 0xFF00);
509 	return (EJUSTRETURN);
510 }
511 
512 static void
513 brgphy_loop(struct mii_softc *sc)
514 {
515 	u_int32_t bmsr;
516 	int i;
517 
518 	PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
519 	for (i = 0; i < 15000; i++) {
520 		bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
521 		if (!(bmsr & BRGPHY_BMSR_LINK)) {
522 #if 0
523 			device_printf(sc->mii_dev, "looped %d\n", i);
524 #endif
525 			break;
526 		}
527 		DELAY(10);
528 	}
529 }
530 
531 /* Turn off tap power management on 5401. */
532 static void
533 bcm5401_load_dspcode(struct mii_softc *sc)
534 {
535 	static const struct {
536 		int		reg;
537 		uint16_t	val;
538 	} dspcode[] = {
539 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
540 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
541 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
542 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
543 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
544 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
545 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
546 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
547 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
548 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
549 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
550 		{ 0,				0 },
551 	};
552 	int i;
553 
554 	for (i = 0; dspcode[i].reg != 0; i++)
555 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
556 	DELAY(40);
557 }
558 
559 static void
560 bcm5411_load_dspcode(struct mii_softc *sc)
561 {
562 	static const struct {
563 		int		reg;
564 		uint16_t	val;
565 	} dspcode[] = {
566 		{ 0x1c,				0x8c23 },
567 		{ 0x1c,				0x8ca3 },
568 		{ 0x1c,				0x8c23 },
569 		{ 0,				0 },
570 	};
571 	int i;
572 
573 	for (i = 0; dspcode[i].reg != 0; i++)
574 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
575 }
576 
577 static void
578 bcm5703_load_dspcode(struct mii_softc *sc)
579 {
580 	static const struct {
581 		int		reg;
582 		uint16_t	val;
583 	} dspcode[] = {
584 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
585 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
586 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
587 		{ 0,				0 },
588 	};
589 	int i;
590 
591 	for (i = 0; dspcode[i].reg != 0; i++)
592 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
593 }
594 
595 static void
596 bcm5704_load_dspcode(struct mii_softc *sc)
597 {
598 	static const struct {
599 		int		reg;
600 		u_int16_t	val;
601 	} dspcode[] = {
602 		{ 0x1c,				0x8d68 },
603 		{ 0x1c,				0x8d68 },
604 		{ 0,				0 },
605 	};
606 	int i;
607 
608 	for (i = 0; dspcode[i].reg != 0; i++)
609 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
610 }
611 
612 static void
613 bcm5750_load_dspcode(struct mii_softc *sc)
614 {
615 	static const struct {
616 		int		reg;
617 		u_int16_t	val;
618 	} dspcode[] = {
619 		{ 0x18,				0x0c00 },
620 		{ 0x17,				0x000a },
621 		{ 0x15,				0x310b },
622 		{ 0x17,				0x201f },
623 		{ 0x15,				0x9506 },
624 		{ 0x17,				0x401f },
625 		{ 0x15,				0x14e2 },
626 		{ 0x18,				0x0400 },
627 		{ 0,				0 },
628 	};
629 	int i;
630 
631 	for (i = 0; dspcode[i].reg != 0; i++)
632 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
633 }
634 
635 static void
636 brgphy_reset(struct mii_softc *sc)
637 {
638 	u_int32_t	val;
639 	struct ifnet	*ifp;
640 	struct bge_softc	*bge_sc = NULL;
641 	struct bce_softc	*bce_sc = NULL;
642 
643 	mii_phy_reset(sc);
644 
645 	switch (brgphy_mii_model) {
646 	case MII_MODEL_xxBROADCOM_BCM5400:
647 	case MII_MODEL_xxBROADCOM_BCM5401:
648 		bcm5401_load_dspcode(sc);
649 		break;
650 	case MII_MODEL_xxBROADCOM_BCM5411:
651 		bcm5411_load_dspcode(sc);
652 		break;
653 	case MII_MODEL_xxBROADCOM_BCM5703:
654 		bcm5703_load_dspcode(sc);
655 		break;
656 	case MII_MODEL_xxBROADCOM_BCM5704:
657 		bcm5704_load_dspcode(sc);
658 		break;
659 	case MII_MODEL_xxBROADCOM_BCM5750:
660 	case MII_MODEL_xxBROADCOM_BCM5714:
661 	case MII_MODEL_xxBROADCOM_BCM5780:
662 	case MII_MODEL_xxBROADCOM_BCM5706C:
663 	case MII_MODEL_xxBROADCOM_BCM5708C:
664 		bcm5750_load_dspcode(sc);
665 		break;
666 	}
667 
668 	ifp = sc->mii_pdata->mii_ifp;
669 
670 	/* Find the driver associated with this PHY. */
671 	if (strcmp(ifp->if_dname, "bge") == 0)	{
672  		bge_sc = ifp->if_softc;
673 	} else if (strcmp(ifp->if_dname, "bce") == 0) {
674 		bce_sc = ifp->if_softc;
675 	}
676 
677 	/* Handle any NetXtreme/bge workarounds. */
678 	if (bge_sc) {
679 	 	/*
680 		 * Don't enable Ethernet@WireSpeed for the 5700 or the
681 		 * 5705 A1 and A2 chips. Make sure we only do this test
682 		 * on "bge" NICs, since other drivers may use this same
683 		 * PHY subdriver.
684 		 */
685 		if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5700 ||
686 		    bge_sc->bge_chipid == BGE_CHIPID_BCM5705_A1 ||
687 		    bge_sc->bge_chipid == BGE_CHIPID_BCM5705_A2)
688 			return;
689 
690 		/* Enable Ethernet@WireSpeed. */
691 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
692 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
693 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
694 
695 		/* Enable Link LED on Dell boxes */
696 		if (bge_sc->bge_no_3_led) {
697 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
698 		    	PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL)
699 			    & ~BRGPHY_PHY_EXTCTL_3_LED);
700 		}
701 	} else if (bce_sc) {
702 
703 		/* Set or clear jumbo frame settings in the PHY. */
704 		if (ifp->if_mtu > ETHER_MAX_LEN) {
705 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
706 			val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
707 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
708 				val | BRGPHY_AUXCTL_LONG_PKT);
709 
710 			val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
711 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
712 				val | BRGPHY_PHY_EXTCTL_HIGH_LA);
713 		} else {
714 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
715 			val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
716 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
717 				val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
718 
719 			val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
720 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
721 				val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
722 		}
723 
724 		/* Enable Ethernet@Wirespeed */
725 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
726 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
727 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, (val | (1 << 15) | (1 << 4)));
728 	}
729 }
730