xref: /freebsd/sys/dev/mii/brgphy.c (revision 8847579c57d6aff2b3371c707dce7a2cee8389aa)
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 const struct mii_phydesc brgphys[] = {
102 	MII_PHY_DESC(xxBROADCOM, BCM5400),
103 	MII_PHY_DESC(xxBROADCOM, BCM5401),
104 	MII_PHY_DESC(xxBROADCOM, BCM5411),
105 	MII_PHY_DESC(xxBROADCOM, BCM5701),
106 	MII_PHY_DESC(xxBROADCOM, BCM5703),
107 	MII_PHY_DESC(xxBROADCOM, BCM5704),
108 	MII_PHY_DESC(xxBROADCOM, BCM5705),
109 	MII_PHY_DESC(xxBROADCOM, BCM5750),
110 	MII_PHY_DESC(xxBROADCOM, BCM5714),
111 	MII_PHY_DESC(xxBROADCOM, BCM5780),
112 	MII_PHY_DESC(xxBROADCOM, BCM5706C),
113 	MII_PHY_DESC(xxBROADCOM, BCM5708C),
114 	MII_PHY_END
115 };
116 
117 static int
118 brgphy_probe(device_t dev)
119 {
120 	struct mii_attach_args *ma;
121 	const struct mii_phydesc *mpd;
122 
123 	ma = device_get_ivars(dev);
124 	mpd = mii_phy_match(ma, brgphys);
125 	if (mpd != NULL) {
126 		device_set_desc(dev, mpd->mpd_name);
127 		return (BUS_PROBE_DEFAULT);
128 	}
129 
130 	return (ENXIO);
131 }
132 
133 static int
134 brgphy_attach(device_t dev)
135 {
136 	struct mii_softc *sc;
137 	struct mii_attach_args *ma;
138 	struct mii_data *mii;
139 	const char *sep = "";
140 	struct bge_softc *bge_sc = NULL;
141 	struct bce_softc *bce_sc = NULL;
142 	int fast_ether_only = FALSE;
143 
144 	sc = device_get_softc(dev);
145 	ma = device_get_ivars(dev);
146 	sc->mii_dev = device_get_parent(dev);
147 	mii = device_get_softc(sc->mii_dev);
148 	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
149 
150 	sc->mii_inst = mii->mii_instance;
151 	sc->mii_phy = ma->mii_phyno;
152 	sc->mii_service = brgphy_service;
153 	sc->mii_pdata = mii;
154 
155 	sc->mii_flags |= MIIF_NOISOLATE;
156 	mii->mii_instance++;
157 
158 #define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
159 #define PRINT(s)	printf("%s%s", sep, s); sep = ", "
160 
161 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
162 	    BMCR_ISO);
163 #if 0
164 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
165 	    BMCR_LOOP|BMCR_S100);
166 #endif
167 
168 	brgphy_mii_model = MII_MODEL(ma->mii_id2);
169 	brgphy_reset(sc);
170 
171 
172 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
173 	sc->mii_capabilities &= ~BMSR_ANEG;
174 	device_printf(dev, " ");
175 	mii_add_media(sc);
176 
177 	/* Find the driver associated with this PHY. */
178 	if (strcmp(mii->mii_ifp->if_dname, "bge") == 0)	{
179  		bge_sc = mii->mii_ifp->if_softc;
180 	} else if (strcmp(mii->mii_ifp->if_dname, "bce") == 0) {
181 		bce_sc = mii->mii_ifp->if_softc;
182 	}
183 
184 	/* The 590x chips are 10/100 only. */
185 	if (strcmp(mii->mii_ifp->if_dname, "bge") == 0 &&
186 	    pci_get_vendor(bge_sc->bge_dev) == BCOM_VENDORID &&
187 	    (pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901 ||
188 	    pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901A2))
189 		fast_ether_only = TRUE;
190 
191 	if (fast_ether_only == FALSE) {
192 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0,
193 		    sc->mii_inst), BRGPHY_BMCR_FDX);
194 		PRINT(", 1000baseTX");
195 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T,
196 		    IFM_FDX, sc->mii_inst), 0);
197 		PRINT("1000baseTX-FDX");
198 	}
199 
200 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
201 	PRINT("auto");
202 
203 	printf("\n");
204 #undef ADD
205 #undef PRINT
206 
207 	MIIBUS_MEDIAINIT(sc->mii_dev);
208 	return(0);
209 }
210 
211 static int
212 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
213 {
214 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
215 	int reg, speed, gig;
216 
217 	switch (cmd) {
218 	case MII_POLLSTAT:
219 		/*
220 		 * If we're not polling our PHY instance, just return.
221 		 */
222 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
223 			return (0);
224 		break;
225 
226 	case MII_MEDIACHG:
227 		/*
228 		 * If the media indicates a different PHY instance,
229 		 * isolate ourselves.
230 		 */
231 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
232 			reg = PHY_READ(sc, MII_BMCR);
233 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
234 			return (0);
235 		}
236 
237 		/*
238 		 * If the interface is not up, don't do anything.
239 		 */
240 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
241 			break;
242 
243 		brgphy_reset(sc);	/* XXX hardware bug work-around */
244 
245 		switch (IFM_SUBTYPE(ife->ifm_media)) {
246 		case IFM_AUTO:
247 #ifdef foo
248 			/*
249 			 * If we're already in auto mode, just return.
250 			 */
251 			if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN)
252 				return (0);
253 #endif
254 			(void) brgphy_mii_phy_auto(sc);
255 			break;
256 		case IFM_1000_T:
257 			speed = BRGPHY_S1000;
258 			goto setit;
259 		case IFM_100_TX:
260 			speed = BRGPHY_S100;
261 			goto setit;
262 		case IFM_10_T:
263 			speed = BRGPHY_S10;
264 setit:
265 			brgphy_loop(sc);
266 			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
267 				speed |= BRGPHY_BMCR_FDX;
268 				gig = BRGPHY_1000CTL_AFD;
269 			} else {
270 				gig = BRGPHY_1000CTL_AHD;
271 			}
272 
273 			PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
274 			PHY_WRITE(sc, BRGPHY_MII_BMCR, speed);
275 			PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
276 
277 			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
278 				break;
279 
280 			PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
281 			PHY_WRITE(sc, BRGPHY_MII_BMCR,
282 			    speed|BRGPHY_BMCR_AUTOEN|BRGPHY_BMCR_STARTNEG);
283 
284 			if (brgphy_mii_model != MII_MODEL_xxBROADCOM_BCM5701)
285 				break;
286 
287 			/*
288 			 * When settning the link manually, one side must
289 			 * be the master and the other the slave. However
290 			 * ifmedia doesn't give us a good way to specify
291 			 * this, so we fake it by using one of the LINK
292 			 * flags. If LINK0 is set, we program the PHY to
293 			 * be a master, otherwise it's a slave.
294 			 */
295 			if ((mii->mii_ifp->if_flags & IFF_LINK0)) {
296 				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
297 				    gig|BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC);
298 			} else {
299 				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
300 				    gig|BRGPHY_1000CTL_MSE);
301 			}
302 			break;
303 #ifdef foo
304 		case IFM_NONE:
305 			PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN);
306 			break;
307 #endif
308 		case IFM_100_T4:
309 		default:
310 			return (EINVAL);
311 		}
312 		break;
313 
314 	case MII_TICK:
315 		/*
316 		 * If we're not currently selected, just return.
317 		 */
318 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
319 			return (0);
320 
321 		/*
322 		 * Is the interface even up?
323 		 */
324 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
325 			return (0);
326 
327 		/*
328 		 * Only used for autonegotiation.
329 		 */
330 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
331 			break;
332 
333 		/*
334 		 * Check to see if we have link.  If we do, we don't
335 		 * need to restart the autonegotiation process.  Read
336 		 * the BMSR twice in case it's latched.
337 		 */
338 		reg = PHY_READ(sc, BRGPHY_MII_AUXSTS);
339 		if (reg & BRGPHY_AUXSTS_LINK)
340 			break;
341 
342 		/*
343 		 * Only retry autonegotiation every 5 seconds.
344 		 */
345 		if (++sc->mii_ticks <= 5)
346 			break;
347 
348 		sc->mii_ticks = 0;
349 		brgphy_mii_phy_auto(sc);
350 		break;
351 	}
352 
353 	/* Update the media status. */
354 	brgphy_status(sc);
355 
356 	/*
357 	 * Callback if something changed. Note that we need to poke
358 	 * the DSP on the Broadcom PHYs if the media changes.
359 	 *
360 	 */
361 	if (sc->mii_media_active != mii->mii_media_active ||
362 	    sc->mii_media_status != mii->mii_media_status ||
363 	    cmd == MII_MEDIACHG) {
364 		switch (brgphy_mii_model) {
365 		case MII_MODEL_xxBROADCOM_BCM5400:
366 		case MII_MODEL_xxBROADCOM_BCM5401:
367 			bcm5401_load_dspcode(sc);
368 			break;
369 		case MII_MODEL_xxBROADCOM_BCM5411:
370 			bcm5411_load_dspcode(sc);
371 			break;
372 		}
373 	}
374 	mii_phy_update(sc, cmd);
375 	return (0);
376 }
377 
378 static void
379 brgphy_status(struct mii_softc *sc)
380 {
381 	struct mii_data *mii = sc->mii_pdata;
382 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
383 	int bmsr, bmcr;
384 
385 	mii->mii_media_status = IFM_AVALID;
386 	mii->mii_media_active = IFM_ETHER;
387 
388 	bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
389 	if (PHY_READ(sc, BRGPHY_MII_AUXSTS) & BRGPHY_AUXSTS_LINK)
390 		mii->mii_media_status |= IFM_ACTIVE;
391 
392 	bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
393 
394 	if (bmcr & BRGPHY_BMCR_LOOP)
395 		mii->mii_media_active |= IFM_LOOP;
396 
397 	if (bmcr & BRGPHY_BMCR_AUTOEN) {
398 		if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
399 			/* Erg, still trying, I guess... */
400 			mii->mii_media_active |= IFM_NONE;
401 			return;
402 		}
403 
404 		switch (PHY_READ(sc, BRGPHY_MII_AUXSTS) &
405 		    BRGPHY_AUXSTS_AN_RES) {
406 		case BRGPHY_RES_1000FD:
407 			mii->mii_media_active |= IFM_1000_T | IFM_FDX;
408 			break;
409 		case BRGPHY_RES_1000HD:
410 			mii->mii_media_active |= IFM_1000_T | IFM_HDX;
411 			break;
412 		case BRGPHY_RES_100FD:
413 			mii->mii_media_active |= IFM_100_TX | IFM_FDX;
414 			break;
415 		case BRGPHY_RES_100T4:
416 			mii->mii_media_active |= IFM_100_T4;
417 			break;
418 		case BRGPHY_RES_100HD:
419 			mii->mii_media_active |= IFM_100_TX | IFM_HDX;
420 			break;
421 		case BRGPHY_RES_10FD:
422 			mii->mii_media_active |= IFM_10_T | IFM_FDX;
423 			break;
424 		case BRGPHY_RES_10HD:
425 			mii->mii_media_active |= IFM_10_T | IFM_HDX;
426 			break;
427 		default:
428 			mii->mii_media_active |= IFM_NONE;
429 			break;
430 		}
431 		return;
432 	}
433 
434 	mii->mii_media_active = ife->ifm_media;
435 
436 	return;
437 }
438 
439 
440 static int
441 brgphy_mii_phy_auto(struct mii_softc *mii)
442 {
443 	int ktcr = 0;
444 
445 	brgphy_loop(mii);
446 	brgphy_reset(mii);
447 	ktcr = BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD;
448 	if (brgphy_mii_model == MII_MODEL_xxBROADCOM_BCM5701)
449 		ktcr |= BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC;
450 	PHY_WRITE(mii, BRGPHY_MII_1000CTL, ktcr);
451 	ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
452 	DELAY(1000);
453 	PHY_WRITE(mii, BRGPHY_MII_ANAR,
454 	    BMSR_MEDIA_TO_ANAR(mii->mii_capabilities) | ANAR_CSMA);
455 	DELAY(1000);
456 	PHY_WRITE(mii, BRGPHY_MII_BMCR,
457 	    BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
458 	PHY_WRITE(mii, BRGPHY_MII_IMR, 0xFF00);
459 	return (EJUSTRETURN);
460 }
461 
462 static void
463 brgphy_loop(struct mii_softc *sc)
464 {
465 	u_int32_t bmsr;
466 	int i;
467 
468 	PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
469 	for (i = 0; i < 15000; i++) {
470 		bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
471 		if (!(bmsr & BRGPHY_BMSR_LINK)) {
472 #if 0
473 			device_printf(sc->mii_dev, "looped %d\n", i);
474 #endif
475 			break;
476 		}
477 		DELAY(10);
478 	}
479 }
480 
481 /* Turn off tap power management on 5401. */
482 static void
483 bcm5401_load_dspcode(struct mii_softc *sc)
484 {
485 	static const struct {
486 		int		reg;
487 		uint16_t	val;
488 	} dspcode[] = {
489 		{ BRGPHY_MII_AUXCTL,		0x0c20 },
490 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
491 		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
492 		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
493 		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
494 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
495 		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
496 		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
497 		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
498 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
499 		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
500 		{ 0,				0 },
501 	};
502 	int i;
503 
504 	for (i = 0; dspcode[i].reg != 0; i++)
505 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
506 	DELAY(40);
507 }
508 
509 static void
510 bcm5411_load_dspcode(struct mii_softc *sc)
511 {
512 	static const struct {
513 		int		reg;
514 		uint16_t	val;
515 	} dspcode[] = {
516 		{ 0x1c,				0x8c23 },
517 		{ 0x1c,				0x8ca3 },
518 		{ 0x1c,				0x8c23 },
519 		{ 0,				0 },
520 	};
521 	int i;
522 
523 	for (i = 0; dspcode[i].reg != 0; i++)
524 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
525 }
526 
527 static void
528 bcm5703_load_dspcode(struct mii_softc *sc)
529 {
530 	static const struct {
531 		int		reg;
532 		uint16_t	val;
533 	} dspcode[] = {
534 		{ BRGPHY_MII_AUXCTL,		0x0c00 },
535 		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
536 		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
537 		{ 0,				0 },
538 	};
539 	int i;
540 
541 	for (i = 0; dspcode[i].reg != 0; i++)
542 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
543 }
544 
545 static void
546 bcm5704_load_dspcode(struct mii_softc *sc)
547 {
548 	static const struct {
549 		int		reg;
550 		u_int16_t	val;
551 	} dspcode[] = {
552 		{ 0x1c,				0x8d68 },
553 		{ 0x1c,				0x8d68 },
554 		{ 0,				0 },
555 	};
556 	int i;
557 
558 	for (i = 0; dspcode[i].reg != 0; i++)
559 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
560 }
561 
562 static void
563 bcm5750_load_dspcode(struct mii_softc *sc)
564 {
565 	static const struct {
566 		int		reg;
567 		u_int16_t	val;
568 	} dspcode[] = {
569 		{ 0x18,				0x0c00 },
570 		{ 0x17,				0x000a },
571 		{ 0x15,				0x310b },
572 		{ 0x17,				0x201f },
573 		{ 0x15,				0x9506 },
574 		{ 0x17,				0x401f },
575 		{ 0x15,				0x14e2 },
576 		{ 0x18,				0x0400 },
577 		{ 0,				0 },
578 	};
579 	int i;
580 
581 	for (i = 0; dspcode[i].reg != 0; i++)
582 		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
583 }
584 
585 static void
586 brgphy_reset(struct mii_softc *sc)
587 {
588 	u_int32_t	val;
589 	struct ifnet	*ifp;
590 	struct bge_softc	*bge_sc = NULL;
591 	struct bce_softc	*bce_sc = NULL;
592 
593 	mii_phy_reset(sc);
594 
595 	switch (brgphy_mii_model) {
596 	case MII_MODEL_xxBROADCOM_BCM5400:
597 	case MII_MODEL_xxBROADCOM_BCM5401:
598 		bcm5401_load_dspcode(sc);
599 		break;
600 	case MII_MODEL_xxBROADCOM_BCM5411:
601 		bcm5411_load_dspcode(sc);
602 		break;
603 	case MII_MODEL_xxBROADCOM_BCM5703:
604 		bcm5703_load_dspcode(sc);
605 		break;
606 	case MII_MODEL_xxBROADCOM_BCM5704:
607 		bcm5704_load_dspcode(sc);
608 		break;
609 	case MII_MODEL_xxBROADCOM_BCM5750:
610 	case MII_MODEL_xxBROADCOM_BCM5714:
611 	case MII_MODEL_xxBROADCOM_BCM5780:
612 	case MII_MODEL_xxBROADCOM_BCM5706C:
613 	case MII_MODEL_xxBROADCOM_BCM5708C:
614 		bcm5750_load_dspcode(sc);
615 		break;
616 	}
617 
618 	ifp = sc->mii_pdata->mii_ifp;
619 
620 	/* Find the driver associated with this PHY. */
621 	if (strcmp(ifp->if_dname, "bge") == 0)	{
622  		bge_sc = ifp->if_softc;
623 	} else if (strcmp(ifp->if_dname, "bce") == 0) {
624 		bce_sc = ifp->if_softc;
625 	}
626 
627 	/* Handle any NetXtreme/bge workarounds. */
628 	if (bge_sc) {
629 	 	/*
630 		 * Don't enable Ethernet@WireSpeed for the 5700 or the
631 		 * 5705 A1 and A2 chips. Make sure we only do this test
632 		 * on "bge" NICs, since other drivers may use this same
633 		 * PHY subdriver.
634 		 */
635 		if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5700 ||
636 		    bge_sc->bge_chipid == BGE_CHIPID_BCM5705_A1 ||
637 		    bge_sc->bge_chipid == BGE_CHIPID_BCM5705_A2)
638 			return;
639 
640 		/* Enable Ethernet@WireSpeed. */
641 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
642 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
643 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
644 
645 		/* Enable Link LED on Dell boxes */
646 		if (bge_sc->bge_no_3_led) {
647 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
648 		    	PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL)
649 			    & ~BRGPHY_PHY_EXTCTL_3_LED);
650 		}
651 	} else if (bce_sc) {
652 
653 		/* Set or clear jumbo frame settings in the PHY. */
654 		if (ifp->if_mtu > ETHER_MAX_LEN) {
655 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
656 			val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
657 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
658 				val | BRGPHY_AUXCTL_LONG_PKT);
659 
660 			val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
661 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
662 				val | BRGPHY_PHY_EXTCTL_HIGH_LA);
663 		} else {
664 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
665 			val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
666 			PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
667 				val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
668 
669 			val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
670 			PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
671 				val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
672 		}
673 
674 		/* Enable Ethernet@Wirespeed */
675 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
676 		val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
677 		PHY_WRITE(sc, BRGPHY_MII_AUXCTL, (val | (1 << 15) | (1 << 4)));
678 	}
679 }
680