brgphy.c revision 146413
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: head/sys/dev/mii/brgphy.c 146413 2005-05-19 21:08:59Z ps $");
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#include <machine/clock.h>
49
50#include <net/if.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
62#include <dev/pci/pcireg.h>
63#include <dev/pci/pcivar.h>
64
65#include "miibus_if.h"
66
67static int brgphy_probe(device_t);
68static int brgphy_attach(device_t);
69
70static device_method_t brgphy_methods[] = {
71	/* device interface */
72	DEVMETHOD(device_probe,		brgphy_probe),
73	DEVMETHOD(device_attach,	brgphy_attach),
74	DEVMETHOD(device_detach,	mii_phy_detach),
75	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
76	{ 0, 0 }
77};
78
79static devclass_t brgphy_devclass;
80
81static driver_t brgphy_driver = {
82	"brgphy",
83	brgphy_methods,
84	sizeof(struct mii_softc)
85};
86
87DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
88
89static int	brgphy_service(struct mii_softc *, struct mii_data *, int);
90static void	brgphy_status(struct mii_softc *);
91static int	brgphy_mii_phy_auto(struct mii_softc *);
92static void	brgphy_reset(struct mii_softc *);
93static void	brgphy_loop(struct mii_softc *);
94static void	bcm5401_load_dspcode(struct mii_softc *);
95static void	bcm5411_load_dspcode(struct mii_softc *);
96static void	bcm5703_load_dspcode(struct mii_softc *);
97static void	bcm5750_load_dspcode(struct mii_softc *);
98static int	brgphy_mii_model;
99
100static int
101brgphy_probe(dev)
102	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	return(ENXIO);
163}
164
165static int
166brgphy_attach(dev)
167	device_t		dev;
168{
169	struct mii_softc *sc;
170	struct mii_attach_args *ma;
171	struct mii_data *mii;
172	const char *sep = "";
173	struct bge_softc *bge_sc;
174	int fast_ether_only = FALSE;
175
176	sc = device_get_softc(dev);
177	ma = device_get_ivars(dev);
178	sc->mii_dev = device_get_parent(dev);
179	mii = device_get_softc(sc->mii_dev);
180	LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
181
182	sc->mii_inst = mii->mii_instance;
183	sc->mii_phy = ma->mii_phyno;
184	sc->mii_service = brgphy_service;
185	sc->mii_pdata = mii;
186
187	sc->mii_flags |= MIIF_NOISOLATE;
188	mii->mii_instance++;
189
190#define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
191#define PRINT(s)	printf("%s%s", sep, s); sep = ", "
192
193	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst),
194	    BMCR_ISO);
195#if 0
196	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
197	    BMCR_LOOP|BMCR_S100);
198#endif
199
200	brgphy_mii_model = MII_MODEL(ma->mii_id2);
201	brgphy_reset(sc);
202
203
204	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
205	sc->mii_capabilities &= ~BMSR_ANEG;
206	device_printf(dev, " ");
207	mii_add_media(sc);
208
209	/* The 590x chips are 10/100 only. */
210
211	bge_sc = mii->mii_ifp->if_softc;
212
213	if (strcmp(mii->mii_ifp->if_dname, "bge") == 0 &&
214	    pci_get_vendor(bge_sc->bge_dev) == BCOM_VENDORID &&
215	    (pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901 ||
216	    pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901A2))
217		fast_ether_only = TRUE;
218
219	if (fast_ether_only == FALSE) {
220		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0,
221		    sc->mii_inst), BRGPHY_BMCR_FDX);
222		PRINT(", 1000baseTX");
223		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T,
224		    IFM_FDX, sc->mii_inst), 0);
225		PRINT("1000baseTX-FDX");
226	}
227
228	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
229	PRINT("auto");
230
231	printf("\n");
232#undef ADD
233#undef PRINT
234
235	MIIBUS_MEDIAINIT(sc->mii_dev);
236	return(0);
237}
238
239static int
240brgphy_service(sc, mii, cmd)
241	struct mii_softc *sc;
242	struct mii_data *mii;
243	int cmd;
244{
245	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
246	int reg, speed, gig;
247
248	switch (cmd) {
249	case MII_POLLSTAT:
250		/*
251		 * If we're not polling our PHY instance, just return.
252		 */
253		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
254			return (0);
255		break;
256
257	case MII_MEDIACHG:
258		/*
259		 * If the media indicates a different PHY instance,
260		 * isolate ourselves.
261		 */
262		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
263			reg = PHY_READ(sc, MII_BMCR);
264			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
265			return (0);
266		}
267
268		/*
269		 * If the interface is not up, don't do anything.
270		 */
271		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
272			break;
273
274		brgphy_reset(sc);	/* XXX hardware bug work-around */
275
276		switch (IFM_SUBTYPE(ife->ifm_media)) {
277		case IFM_AUTO:
278#ifdef foo
279			/*
280			 * If we're already in auto mode, just return.
281			 */
282			if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN)
283				return (0);
284#endif
285			(void) brgphy_mii_phy_auto(sc);
286			break;
287		case IFM_1000_T:
288			speed = BRGPHY_S1000;
289			goto setit;
290		case IFM_100_TX:
291			speed = BRGPHY_S100;
292			goto setit;
293		case IFM_10_T:
294			speed = BRGPHY_S10;
295setit:
296			brgphy_loop(sc);
297			if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
298				speed |= BRGPHY_BMCR_FDX;
299				gig = BRGPHY_1000CTL_AFD;
300			} else {
301				gig = BRGPHY_1000CTL_AHD;
302			}
303
304			PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
305			PHY_WRITE(sc, BRGPHY_MII_BMCR, speed);
306			PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
307
308			if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)
309				break;
310
311			PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
312			PHY_WRITE(sc, BRGPHY_MII_BMCR,
313			    speed|BRGPHY_BMCR_AUTOEN|BRGPHY_BMCR_STARTNEG);
314
315			if (brgphy_mii_model != MII_MODEL_xxBROADCOM_BCM5701)
316				break;
317
318			/*
319			 * When settning the link manually, one side must
320			 * be the master and the other the slave. However
321			 * ifmedia doesn't give us a good way to specify
322			 * this, so we fake it by using one of the LINK
323			 * flags. If LINK0 is set, we program the PHY to
324			 * be a master, otherwise it's a slave.
325			 */
326			if ((mii->mii_ifp->if_flags & IFF_LINK0)) {
327				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
328				    gig|BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC);
329			} else {
330				PHY_WRITE(sc, BRGPHY_MII_1000CTL,
331				    gig|BRGPHY_1000CTL_MSE);
332			}
333			break;
334#ifdef foo
335		case IFM_NONE:
336			PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN);
337			break;
338#endif
339		case IFM_100_T4:
340		default:
341			return (EINVAL);
342		}
343		break;
344
345	case MII_TICK:
346		/*
347		 * If we're not currently selected, just return.
348		 */
349		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
350			return (0);
351
352		/*
353		 * Is the interface even up?
354		 */
355		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
356			return (0);
357
358		/*
359		 * Only used for autonegotiation.
360		 */
361		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
362			break;
363
364		/*
365		 * Check to see if we have link.  If we do, we don't
366		 * need to restart the autonegotiation process.  Read
367		 * the BMSR twice in case it's latched.
368		 */
369		reg = PHY_READ(sc, BRGPHY_MII_AUXSTS);
370		if (reg & BRGPHY_AUXSTS_LINK)
371			break;
372
373		/*
374		 * Only retry autonegotiation every 5 seconds.
375		 */
376		if (++sc->mii_ticks <= 5)
377			break;
378
379		sc->mii_ticks = 0;
380		brgphy_mii_phy_auto(sc);
381		return (0);
382	}
383
384	/* Update the media status. */
385	brgphy_status(sc);
386
387	/*
388	 * Callback if something changed. Note that we need to poke
389	 * the DSP on the Broadcom PHYs if the media changes.
390	 *
391	 */
392	if (sc->mii_media_active != mii->mii_media_active ||
393	    sc->mii_media_status != mii->mii_media_status ||
394	    cmd == MII_MEDIACHG) {
395		switch (brgphy_mii_model) {
396		case MII_MODEL_xxBROADCOM_BCM5401:
397			bcm5401_load_dspcode(sc);
398			break;
399		case MII_MODEL_xxBROADCOM_BCM5411:
400			bcm5411_load_dspcode(sc);
401			break;
402		}
403	}
404	mii_phy_update(sc, cmd);
405	return (0);
406}
407
408static void
409brgphy_status(sc)
410	struct mii_softc *sc;
411{
412	struct mii_data *mii = sc->mii_pdata;
413	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
414	int bmsr, bmcr;
415
416	mii->mii_media_status = IFM_AVALID;
417	mii->mii_media_active = IFM_ETHER;
418
419	bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
420	if (PHY_READ(sc, BRGPHY_MII_AUXSTS) & BRGPHY_AUXSTS_LINK)
421		mii->mii_media_status |= IFM_ACTIVE;
422
423	bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
424
425	if (bmcr & BRGPHY_BMCR_LOOP)
426		mii->mii_media_active |= IFM_LOOP;
427
428	if (bmcr & BRGPHY_BMCR_AUTOEN) {
429		if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) {
430			/* Erg, still trying, I guess... */
431			mii->mii_media_active |= IFM_NONE;
432			return;
433		}
434
435		switch (PHY_READ(sc, BRGPHY_MII_AUXSTS) &
436		    BRGPHY_AUXSTS_AN_RES) {
437		case BRGPHY_RES_1000FD:
438			mii->mii_media_active |= IFM_1000_T | IFM_FDX;
439			break;
440		case BRGPHY_RES_1000HD:
441			mii->mii_media_active |= IFM_1000_T | IFM_HDX;
442			break;
443		case BRGPHY_RES_100FD:
444			mii->mii_media_active |= IFM_100_TX | IFM_FDX;
445			break;
446		case BRGPHY_RES_100T4:
447			mii->mii_media_active |= IFM_100_T4;
448			break;
449		case BRGPHY_RES_100HD:
450			mii->mii_media_active |= IFM_100_TX | IFM_HDX;
451			break;
452		case BRGPHY_RES_10FD:
453			mii->mii_media_active |= IFM_10_T | IFM_FDX;
454			break;
455		case BRGPHY_RES_10HD:
456			mii->mii_media_active |= IFM_10_T | IFM_HDX;
457			break;
458		default:
459			mii->mii_media_active |= IFM_NONE;
460			break;
461		}
462		return;
463	}
464
465	mii->mii_media_active = ife->ifm_media;
466
467	return;
468}
469
470
471static int
472brgphy_mii_phy_auto(mii)
473	struct mii_softc *mii;
474{
475	int ktcr = 0;
476
477	brgphy_loop(mii);
478	brgphy_reset(mii);
479	ktcr = BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD;
480	if (brgphy_mii_model == MII_MODEL_xxBROADCOM_BCM5701)
481		ktcr |= BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC;
482	PHY_WRITE(mii, BRGPHY_MII_1000CTL, ktcr);
483	ktcr = PHY_READ(mii, BRGPHY_MII_1000CTL);
484	DELAY(1000);
485	PHY_WRITE(mii, BRGPHY_MII_ANAR,
486	    BMSR_MEDIA_TO_ANAR(mii->mii_capabilities) | ANAR_CSMA);
487	DELAY(1000);
488	PHY_WRITE(mii, BRGPHY_MII_BMCR,
489	    BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
490	PHY_WRITE(mii, BRGPHY_MII_IMR, 0xFF00);
491	return (EJUSTRETURN);
492}
493
494static void
495brgphy_loop(struct mii_softc *sc)
496{
497	u_int32_t bmsr;
498	int i;
499
500	PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
501	for (i = 0; i < 15000; i++) {
502		bmsr = PHY_READ(sc, BRGPHY_MII_BMSR);
503		if (!(bmsr & BRGPHY_BMSR_LINK)) {
504#if 0
505			device_printf(sc->mii_dev, "looped %d\n", i);
506#endif
507			break;
508		}
509		DELAY(10);
510	}
511}
512
513/* Turn off tap power management on 5401. */
514static void
515bcm5401_load_dspcode(struct mii_softc *sc)
516{
517	static const struct {
518		int		reg;
519		uint16_t	val;
520	} dspcode[] = {
521		{ BRGPHY_MII_AUXCTL,		0x0c20 },
522		{ BRGPHY_MII_DSP_ADDR_REG,	0x0012 },
523		{ BRGPHY_MII_DSP_RW_PORT,	0x1804 },
524		{ BRGPHY_MII_DSP_ADDR_REG,	0x0013 },
525		{ BRGPHY_MII_DSP_RW_PORT,	0x1204 },
526		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
527		{ BRGPHY_MII_DSP_RW_PORT,	0x0132 },
528		{ BRGPHY_MII_DSP_ADDR_REG,	0x8006 },
529		{ BRGPHY_MII_DSP_RW_PORT,	0x0232 },
530		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
531		{ BRGPHY_MII_DSP_RW_PORT,	0x0a20 },
532		{ 0,				0 },
533	};
534	int i;
535
536	for (i = 0; dspcode[i].reg != 0; i++)
537		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
538	DELAY(40);
539}
540
541static void
542bcm5411_load_dspcode(struct mii_softc *sc)
543{
544	static const struct {
545		int		reg;
546		uint16_t	val;
547	} dspcode[] = {
548		{ 0x1c,				0x8c23 },
549		{ 0x1c,				0x8ca3 },
550		{ 0x1c,				0x8c23 },
551		{ 0,				0 },
552	};
553	int i;
554
555	for (i = 0; dspcode[i].reg != 0; i++)
556		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
557}
558
559static void
560bcm5703_load_dspcode(struct mii_softc *sc)
561{
562	static const struct {
563		int		reg;
564		uint16_t	val;
565	} dspcode[] = {
566		{ BRGPHY_MII_AUXCTL,		0x0c00 },
567		{ BRGPHY_MII_DSP_ADDR_REG,	0x201f },
568		{ BRGPHY_MII_DSP_RW_PORT,	0x2aaa },
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
577static void
578bcm5704_load_dspcode(struct mii_softc *sc)
579{
580	static const struct {
581		int		reg;
582		u_int16_t	val;
583	} dspcode[] = {
584		{ 0x1c,				0x8d68 },
585		{ 0x1c,				0x8d68 },
586		{ 0,				0 },
587	};
588	int i;
589
590	for (i = 0; dspcode[i].reg != 0; i++)
591		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
592}
593
594static void
595bcm5750_load_dspcode(struct mii_softc *sc)
596{
597	static const struct {
598		int		reg;
599		u_int16_t	val;
600	} dspcode[] = {
601		{ 0x18,				0x0c00 },
602		{ 0x17,				0x000a },
603		{ 0x15,				0x310b },
604		{ 0x17,				0x201f },
605		{ 0x15,				0x9506 },
606		{ 0x17,				0x401f },
607		{ 0x15,				0x14e2 },
608		{ 0x18,				0x0400 },
609		{ 0,				0 },
610	};
611	int i;
612
613	for (i = 0; dspcode[i].reg != 0; i++)
614		PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
615}
616
617static void
618brgphy_reset(struct mii_softc *sc)
619{
620	u_int32_t	val;
621	struct ifnet	*ifp;
622	struct bge_softc	*bge_sc;
623
624	mii_phy_reset(sc);
625
626	switch (brgphy_mii_model) {
627	case MII_MODEL_xxBROADCOM_BCM5401:
628		bcm5401_load_dspcode(sc);
629		break;
630	case MII_MODEL_xxBROADCOM_BCM5411:
631		bcm5411_load_dspcode(sc);
632		break;
633	case MII_MODEL_xxBROADCOM_BCM5703:
634		bcm5703_load_dspcode(sc);
635		break;
636	case MII_MODEL_xxBROADCOM_BCM5704:
637		bcm5704_load_dspcode(sc);
638		break;
639	case MII_MODEL_xxBROADCOM_BCM5750:
640	case MII_MODEL_xxBROADCOM_BCM5714:
641		bcm5750_load_dspcode(sc);
642		break;
643	}
644
645	ifp = sc->mii_pdata->mii_ifp;
646	bge_sc = ifp->if_softc;
647
648	/*
649	 * Don't enable Ethernet@WireSpeed for the 5700 or the
650	 * 5705 A1 and A2 chips. Make sure we only do this test
651	 * on "bge" NICs, since other drivers may use this same
652	 * PHY subdriver.
653	 */
654	if (strcmp(ifp->if_dname, "bge") == 0 &&
655	    (bge_sc->bge_asicrev == BGE_ASICREV_BCM5700 ||
656	    bge_sc->bge_chipid == BGE_CHIPID_BCM5705_A1 ||
657	    bge_sc->bge_chipid == BGE_CHIPID_BCM5705_A2))
658		return;
659
660	/* Enable Ethernet@WireSpeed. */
661	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
662	val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
663	PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
664
665	/* Enable Link LED on Dell boxes */
666	if (bge_sc->bge_no_3_led) {
667		PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
668		    PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL)
669		    & ~BRGPHY_PHY_EXTCTL_3_LED);
670	}
671}
672