3 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
37 * Driver for the Broadcom BCM54xx/57xx 1000baseTX PHY.
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/module.h>
44 #include <sys/socket.h>
48 #include <net/ethernet.h>
49 #include <net/if_media.h>
51 #include <dev/mii/mii.h>
52 #include <dev/mii/miivar.h>
55 #include <dev/mii/brgphyreg.h>
56 #include <net/if_arp.h>
57 #include <machine/bus.h>
58 #include <dev/bge/if_bgereg.h>
59 #include <dev/bce/if_bcereg.h>
61 #include <dev/pci/pcireg.h>
62 #include <dev/pci/pcivar.h>
64 #include "miibus_if.h"
66 static int brgphy_probe(device_t);
67 static int brgphy_attach(device_t);
70 struct mii_softc mii_sc;
74 int serdes_flags; /* Keeps track of the serdes type used */
75 #define BRGPHY_5706S 0x0001
76 #define BRGPHY_5708S 0x0002
77 int bce_phy_flags; /* PHY flags transferred from the MAC driver */
80 static device_method_t brgphy_methods[] = {
81 /* device interface */
82 DEVMETHOD(device_probe, brgphy_probe),
83 DEVMETHOD(device_attach, brgphy_attach),
84 DEVMETHOD(device_detach, mii_phy_detach),
85 DEVMETHOD(device_shutdown, bus_generic_shutdown),
89 static devclass_t brgphy_devclass;
91 static driver_t brgphy_driver = {
94 sizeof(struct brgphy_softc)
97 DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0);
99 static int brgphy_service(struct mii_softc *, struct mii_data *, int);
100 static void brgphy_setmedia(struct mii_softc *, int, int);
101 static void brgphy_status(struct mii_softc *);
102 static void brgphy_mii_phy_auto(struct mii_softc *);
103 static void brgphy_reset(struct mii_softc *);
104 static void brgphy_enable_loopback(struct mii_softc *);
105 static void bcm5401_load_dspcode(struct mii_softc *);
106 static void bcm5411_load_dspcode(struct mii_softc *);
107 static void brgphy_fixup_5704_a0_bug(struct mii_softc *);
108 static void brgphy_fixup_adc_bug(struct mii_softc *);
109 static void brgphy_fixup_adjust_trim(struct mii_softc *);
110 static void brgphy_fixup_ber_bug(struct mii_softc *);
111 static void brgphy_fixup_crc_bug(struct mii_softc *);
112 static void brgphy_fixup_jitter_bug(struct mii_softc *);
113 static void brgphy_ethernet_wirespeed(struct mii_softc *);
114 static void brgphy_jumbo_settings(struct mii_softc *, u_long);
116 static const struct mii_phydesc brgphys[] = {
117 MII_PHY_DESC(xxBROADCOM, BCM5400),
118 MII_PHY_DESC(xxBROADCOM, BCM5401),
119 MII_PHY_DESC(xxBROADCOM, BCM5411),
120 MII_PHY_DESC(xxBROADCOM, BCM5701),
121 MII_PHY_DESC(xxBROADCOM, BCM5703),
122 MII_PHY_DESC(xxBROADCOM, BCM5704),
123 MII_PHY_DESC(xxBROADCOM, BCM5705),
124 MII_PHY_DESC(xxBROADCOM, BCM5706),
125 MII_PHY_DESC(xxBROADCOM, BCM5714),
126 MII_PHY_DESC(xxBROADCOM, BCM5750),
127 MII_PHY_DESC(xxBROADCOM, BCM5752),
128 MII_PHY_DESC(xxBROADCOM, BCM5754),
129 MII_PHY_DESC(xxBROADCOM, BCM5780),
130 MII_PHY_DESC(xxBROADCOM, BCM5708C),
131 MII_PHY_DESC(xxBROADCOM_ALT1, BCM5755),
132 MII_PHY_DESC(xxBROADCOM_ALT1, BCM5787),
133 MII_PHY_DESC(xxBROADCOM_ALT1, BCM5708S),
134 MII_PHY_DESC(xxBROADCOM_ALT1, BCM5709CAX),
135 MII_PHY_DESC(xxBROADCOM_ALT1, BCM5722),
136 MII_PHY_DESC(xxBROADCOM_ALT1, BCM5709C),
137 MII_PHY_DESC(BROADCOM2, BCM5906),
142 /* Search for our PHY in the list of known PHYs */
144 brgphy_probe(device_t dev)
146 return (mii_phy_dev_probe(dev, brgphys, BUS_PROBE_DEFAULT));
149 /* Attach the PHY to the MII bus */
151 brgphy_attach(device_t dev)
153 struct brgphy_softc *bsc;
154 struct bge_softc *bge_sc = NULL;
155 struct bce_softc *bce_sc = NULL;
156 struct mii_softc *sc;
157 struct mii_attach_args *ma;
158 struct mii_data *mii;
162 bsc = device_get_softc(dev);
164 ma = device_get_ivars(dev);
165 sc->mii_dev = device_get_parent(dev);
166 mii = device_get_softc(sc->mii_dev);
167 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
169 /* Initialize mii_softc structure */
170 sc->mii_inst = mii->mii_instance;
171 sc->mii_phy = ma->mii_phyno;
172 sc->mii_service = brgphy_service;
174 sc->mii_anegticks = MII_ANEGTICKS_GIGE;
175 sc->mii_flags |= MIIF_NOISOLATE | MIIF_NOLOOP;
178 /* Initialize brgphy_softc structure */
179 bsc->mii_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
180 bsc->mii_model = MII_MODEL(ma->mii_id2);
181 bsc->mii_rev = MII_REV(ma->mii_id2);
182 bsc->serdes_flags = 0;
187 device_printf(dev, "OUI 0x%06x, model 0x%04x, rev. %d\n",
188 bsc->mii_oui, bsc->mii_model, bsc->mii_rev);
190 /* Handle any special cases based on the PHY ID */
191 switch (bsc->mii_oui) {
192 case MII_OUI_BROADCOM:
193 case MII_OUI_BROADCOM2:
195 case MII_OUI_xxBROADCOM:
196 switch (bsc->mii_model) {
197 case MII_MODEL_xxBROADCOM_BCM5706:
199 * The 5464 PHY used in the 5706 supports both copper
200 * and fiber interfaces over GMII. Need to check the
201 * shadow registers to see which mode is actually
202 * in effect, and therefore whether we have 5706C or
205 PHY_WRITE(sc, BRGPHY_MII_SHADOW_1C,
206 BRGPHY_SHADOW_1C_MODE_CTRL);
207 if (PHY_READ(sc, BRGPHY_MII_SHADOW_1C) &
208 BRGPHY_SHADOW_1C_ENA_1000X) {
209 bsc->serdes_flags |= BRGPHY_5706S;
210 sc->mii_flags |= MIIF_HAVEFIBER;
214 case MII_OUI_xxBROADCOM_ALT1:
215 switch (bsc->mii_model) {
216 case MII_MODEL_xxBROADCOM_ALT1_BCM5708S:
217 bsc->serdes_flags |= BRGPHY_5708S;
218 sc->mii_flags |= MIIF_HAVEFIBER;
222 device_printf(dev, "Unrecognized OUI for PHY!\n");
225 ifp = sc->mii_pdata->mii_ifp;
227 /* Find the MAC driver associated with this PHY. */
228 if (strcmp(ifp->if_dname, "bge") == 0) {
229 bge_sc = ifp->if_softc;
230 } else if (strcmp(ifp->if_dname, "bce") == 0) {
231 bce_sc = ifp->if_softc;
234 /* Todo: Need to add additional controllers such as 5906 & 5787F */
235 /* The 590x chips are 10/100 only. */
237 pci_get_vendor(bge_sc->bge_dev) == BCOM_VENDORID &&
238 (pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901 ||
239 pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5901A2 ||
240 pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5906 ||
241 pci_get_device(bge_sc->bge_dev) == BCOM_DEVICEID_BCM5906M)) {
243 sc->mii_anegticks = MII_ANEGTICKS;
248 /* Read the PHY's capabilities. */
249 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
250 if (sc->mii_capabilities & BMSR_EXTSTAT)
251 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
252 device_printf(dev, " ");
254 #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
256 /* Create an instance of Ethernet media. */
257 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), BMCR_ISO);
259 /* Add the supported media types */
260 if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
261 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, sc->mii_inst),
264 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, sc->mii_inst),
265 BRGPHY_S10 | BRGPHY_BMCR_FDX);
266 printf("10baseT-FDX, ");
267 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, sc->mii_inst),
269 printf("100baseTX, ");
270 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, sc->mii_inst),
271 BRGPHY_S100 | BRGPHY_BMCR_FDX);
272 printf("100baseTX-FDX, ");
273 if (fast_ether == 0) {
274 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, 0, sc->mii_inst),
276 printf("1000baseT, ");
277 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_T, IFM_FDX, sc->mii_inst),
278 BRGPHY_S1000 | BRGPHY_BMCR_FDX);
279 printf("1000baseT-FDX, ");
282 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_1000_SX, IFM_FDX, sc->mii_inst),
283 BRGPHY_S1000 | BRGPHY_BMCR_FDX);
284 printf("1000baseSX-FDX, ");
285 /* 2.5G support is a software enabled feature on the 5708S and 5709S. */
286 if (bce_sc && (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)) {
287 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_2500_SX, IFM_FDX, sc->mii_inst), 0);
288 printf("2500baseSX-FDX, ");
292 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), 0);
296 MIIBUS_MEDIAINIT(sc->mii_dev);
301 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
303 struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
304 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
310 /* If we're not polling our PHY instance, just return. */
311 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
312 goto brgphy_service_exit;
316 * If the media indicates a different PHY instance,
319 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
320 PHY_WRITE(sc, MII_BMCR,
321 PHY_READ(sc, MII_BMCR) | BMCR_ISO);
322 goto brgphy_service_exit;
325 /* If the interface is not up, don't do anything. */
326 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
329 /* Todo: Why is this here? Is it really needed? */
330 brgphy_reset(sc); /* XXX hardware bug work-around */
332 switch (IFM_SUBTYPE(ife->ifm_media)) {
334 brgphy_mii_phy_auto(sc);
341 brgphy_setmedia(sc, ife->ifm_media,
342 mii->mii_ifp->if_flags & IFF_LINK0);
346 goto brgphy_service_exit;
350 /* Bail if we're not currently selected. */
351 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
352 goto brgphy_service_exit;
354 /* Bail if the interface isn't up. */
355 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
356 goto brgphy_service_exit;
359 /* Bail if autoneg isn't in process. */
360 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
366 * Check to see if we have link. If we do, we don't
367 * need to restart the autonegotiation process.
369 val = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
370 if (val & BMSR_LINK) {
371 sc->mii_ticks = 0; /* Reset autoneg timer. */
375 /* Announce link loss right after it happens. */
376 if (sc->mii_ticks++ == 0)
379 /* Only retry autonegotiation every mii_anegticks seconds. */
380 if (sc->mii_ticks <= sc->mii_anegticks)
384 /* Retry autonegotiation */
386 brgphy_mii_phy_auto(sc);
390 /* Update the media status. */
394 * Callback if something changed. Note that we need to poke
395 * the DSP on the Broadcom PHYs if the media changes.
397 if (sc->mii_media_active != mii->mii_media_active ||
398 sc->mii_media_status != mii->mii_media_status ||
399 cmd == MII_MEDIACHG) {
400 switch (bsc->mii_oui) {
401 case MII_OUI_BROADCOM:
403 case MII_OUI_xxBROADCOM:
404 switch (bsc->mii_model) {
405 case MII_MODEL_xxBROADCOM_BCM5400:
406 bcm5401_load_dspcode(sc);
408 case MII_MODEL_xxBROADCOM_BCM5401:
409 if (bsc->mii_rev == 1 || bsc->mii_rev == 3)
410 bcm5401_load_dspcode(sc);
412 case MII_MODEL_xxBROADCOM_BCM5411:
413 bcm5411_load_dspcode(sc);
417 case MII_OUI_xxBROADCOM_ALT1:
421 mii_phy_update(sc, cmd);
427 /****************************************************************************/
428 /* Sets the PHY link speed. */
432 /****************************************************************************/
434 brgphy_setmedia(struct mii_softc *sc, int media, int master)
436 struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
439 /* Calculate the value for the BMCR register. */
440 switch (IFM_SUBTYPE(media)) {
456 /* Calculate duplex settings for 1000BasetT/1000BaseX. */
457 if ((media & IFM_GMASK) == IFM_FDX) {
458 bmcr |= BRGPHY_BMCR_FDX;
459 gig = BRGPHY_1000CTL_AFD;
461 gig = BRGPHY_1000CTL_AHD;
464 /* Force loopback to disconnect PHY for Ethernet medium. */
465 brgphy_enable_loopback(sc);
467 /* Disable 1000BaseT advertisements. */
468 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0);
469 /* Disable 10/100 advertisements. */
470 PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE);
471 /* Write forced link speed. */
472 PHY_WRITE(sc, BRGPHY_MII_BMCR, bmcr);
474 /* If 10/100 only then configuration is complete. */
475 if ((IFM_SUBTYPE(media) != IFM_1000_T) && (IFM_SUBTYPE(media) != IFM_1000_SX))
476 goto brgphy_setmedia_exit;
478 /* Set duplex speed advertisement for 1000BaseT/1000BaseX. */
479 PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig);
480 /* Restart auto-negotiation for 1000BaseT/1000BaseX. */
481 PHY_WRITE(sc, BRGPHY_MII_BMCR,
482 bmcr | BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
484 /* If not 5701 PHY then configuration is complete. */
485 if (bsc->mii_model != MII_MODEL_xxBROADCOM_BCM5701)
486 goto brgphy_setmedia_exit;
489 * When setting the link manually, one side must be the master and
490 * the other the slave. However ifmedia doesn't give us a good way
491 * to specify this, so we fake it by using one of the LINK flags.
492 * If LINK0 is set, we program the PHY to be a master, otherwise
496 PHY_WRITE(sc, BRGPHY_MII_1000CTL,
497 gig | BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC);
499 PHY_WRITE(sc, BRGPHY_MII_1000CTL,
500 gig | BRGPHY_1000CTL_MSE);
503 brgphy_setmedia_exit:
507 /****************************************************************************/
508 /* Set the media status based on the PHY settings. */
509 /* IFM_FLAG0 = 0 (RX flow control disabled) | 1 (enabled) */
510 /* IFM_FLAG1 = 0 (TX flow control disabled) | 1 (enabled) */
514 /****************************************************************************/
516 brgphy_status(struct mii_softc *sc)
518 struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
519 struct mii_data *mii = sc->mii_pdata;
520 int aux, bmcr, bmsr, anar, anlpar, xstat, val;
523 mii->mii_media_status = IFM_AVALID;
524 mii->mii_media_active = IFM_ETHER;
526 bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR);
527 bmcr = PHY_READ(sc, BRGPHY_MII_BMCR);
528 anar = PHY_READ(sc, BRGPHY_MII_ANAR);
529 anlpar = PHY_READ(sc, BRGPHY_MII_ANLPAR);
531 /* Loopback is enabled. */
532 if (bmcr & BRGPHY_BMCR_LOOP) {
534 mii->mii_media_active |= IFM_LOOP;
537 /* Autoneg is still in progress. */
538 if ((bmcr & BRGPHY_BMCR_AUTOEN) &&
539 (bmsr & BRGPHY_BMSR_ACOMP) == 0) {
540 /* Erg, still trying, I guess... */
541 mii->mii_media_active |= IFM_NONE;
542 goto brgphy_status_exit;
545 /* Autoneg is enabled and complete, link should be up. */
546 if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
547 aux = PHY_READ(sc, BRGPHY_MII_AUXSTS);
549 /* If copper link is up, get the negotiated speed/duplex. */
550 if (aux & BRGPHY_AUXSTS_LINK) {
551 mii->mii_media_status |= IFM_ACTIVE;
552 switch (aux & BRGPHY_AUXSTS_AN_RES) {
553 case BRGPHY_RES_1000FD:
554 mii->mii_media_active |= IFM_1000_T | IFM_FDX; break;
555 case BRGPHY_RES_1000HD:
556 mii->mii_media_active |= IFM_1000_T | IFM_HDX; break;
557 case BRGPHY_RES_100FD:
558 mii->mii_media_active |= IFM_100_TX | IFM_FDX; break;
559 case BRGPHY_RES_100T4:
560 mii->mii_media_active |= IFM_100_T4; break;
561 case BRGPHY_RES_100HD:
562 mii->mii_media_active |= IFM_100_TX | IFM_HDX; break;
563 case BRGPHY_RES_10FD:
564 mii->mii_media_active |= IFM_10_T | IFM_FDX; break;
565 case BRGPHY_RES_10HD:
566 mii->mii_media_active |= IFM_10_T | IFM_HDX; break;
568 mii->mii_media_active |= IFM_NONE; break;
572 /* If serdes link is up, get the negotiated speed/duplex. */
573 if (bmsr & BRGPHY_BMSR_LINK) {
574 mii->mii_media_status |= IFM_ACTIVE;
577 /* Check the link speed/duplex based on the PHY type. */
578 if (bsc->serdes_flags & BRGPHY_5706S) {
579 mii->mii_media_active |= IFM_1000_SX;
581 /* If autoneg enabled, read negotiated duplex settings */
582 if (bmcr & BRGPHY_BMCR_AUTOEN) {
583 val = PHY_READ(sc, BRGPHY_SERDES_ANAR) & PHY_READ(sc, BRGPHY_SERDES_ANLPAR);
584 if (val & BRGPHY_SERDES_ANAR_FDX)
585 mii->mii_media_active |= IFM_FDX;
587 mii->mii_media_active |= IFM_HDX;
590 } else if (bsc->serdes_flags & BRGPHY_5708S) {
591 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
592 xstat = PHY_READ(sc, BRGPHY_5708S_PG0_1000X_STAT1);
594 switch (xstat & BRGPHY_5708S_PG0_1000X_STAT1_SPEED_MASK) {
595 case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_10:
596 mii->mii_media_active |= IFM_10_FL; break;
597 case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_100:
598 mii->mii_media_active |= IFM_100_FX; break;
599 case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_1G:
600 mii->mii_media_active |= IFM_1000_SX; break;
601 case BRGPHY_5708S_PG0_1000X_STAT1_SPEED_25G:
602 mii->mii_media_active |= IFM_2500_SX; break;
605 if (xstat & BRGPHY_5708S_PG0_1000X_STAT1_FDX)
606 mii->mii_media_active |= IFM_FDX;
608 mii->mii_media_active |= IFM_HDX;
613 /* Todo: Change bge/bce to use these settings. */
615 /* Fetch flow control settings from the PHY */
616 if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
617 /* Set FLAG0 is RX is enabled and FLAG1 if TX is enabled */
618 if ((anar & BRGPHY_ANAR_PC) && (anlpar & BRGPHY_ANLPAR_PC)) {
619 mii->mii_media_active |= IFM_FLAG0 | IFM_FLAG1;
620 } else if (!(anar & BRGPHY_ANAR_PC) && (anlpar & BRGPHY_ANAR_ASP) &&
621 (anlpar & BRPHY_ANLPAR_PC) && (anlpar & BRGPHY_ANLPAR_ASP)) {
622 mii->mii_media_active |= IFM_FLAG1;
623 } else if ((anar & BRGPHY_ANAR_PC) && (anar & BRGPHY_ANAR_ASP) &&
624 !(anlpar & BRGPHY_ANLPAR_PC) && (anlpar & BRGPHY_ANLPAR_ASP)) {
625 mii->mii_media_active |= IFM_FLAG0;
629 /* Todo: Add support for fiber settings too. */
638 brgphy_mii_phy_auto(struct mii_softc *sc)
640 struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
645 /* Enable flow control in the advertisement register. */
646 if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
647 /* Pause capability advertisement (pause capable & asymmetric) */
648 PHY_WRITE(sc, BRGPHY_MII_ANAR,
649 BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA |
650 BRGPHY_ANAR_ASP | BRGPHY_ANAR_PC);
652 PHY_WRITE(sc, BRGPHY_SERDES_ANAR, BRGPHY_SERDES_ANAR_FDX |
653 BRGPHY_SERDES_ANAR_HDX | BRGPHY_SERDES_ANAR_BOTH_PAUSE);
656 /* Enable speed in the 1000baseT control register */
657 ktcr = BRGPHY_1000CTL_AFD | BRGPHY_1000CTL_AHD;
658 if (bsc->mii_model == MII_MODEL_xxBROADCOM_BCM5701)
659 ktcr |= BRGPHY_1000CTL_MSE | BRGPHY_1000CTL_MSC;
660 PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr);
661 ktcr = PHY_READ(sc, BRGPHY_MII_1000CTL);
663 /* Start autonegotiation */
664 PHY_WRITE(sc, BRGPHY_MII_BMCR,BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG);
665 PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00);
670 /* Enable loopback to force the link down. */
672 brgphy_enable_loopback(struct mii_softc *sc)
676 PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP);
677 for (i = 0; i < 15000; i++) {
678 if (!(PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_LINK))
684 /* Turn off tap power management on 5401. */
686 bcm5401_load_dspcode(struct mii_softc *sc)
688 static const struct {
692 { BRGPHY_MII_AUXCTL, 0x0c20 },
693 { BRGPHY_MII_DSP_ADDR_REG, 0x0012 },
694 { BRGPHY_MII_DSP_RW_PORT, 0x1804 },
695 { BRGPHY_MII_DSP_ADDR_REG, 0x0013 },
696 { BRGPHY_MII_DSP_RW_PORT, 0x1204 },
697 { BRGPHY_MII_DSP_ADDR_REG, 0x8006 },
698 { BRGPHY_MII_DSP_RW_PORT, 0x0132 },
699 { BRGPHY_MII_DSP_ADDR_REG, 0x8006 },
700 { BRGPHY_MII_DSP_RW_PORT, 0x0232 },
701 { BRGPHY_MII_DSP_ADDR_REG, 0x201f },
702 { BRGPHY_MII_DSP_RW_PORT, 0x0a20 },
707 for (i = 0; dspcode[i].reg != 0; i++)
708 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
713 bcm5411_load_dspcode(struct mii_softc *sc)
715 static const struct {
726 for (i = 0; dspcode[i].reg != 0; i++)
727 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
731 brgphy_fixup_5704_a0_bug(struct mii_softc *sc)
733 static const struct {
743 for (i = 0; dspcode[i].reg != 0; i++)
744 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
748 brgphy_fixup_adc_bug(struct mii_softc *sc)
750 static const struct {
754 { BRGPHY_MII_AUXCTL, 0x0c00 },
755 { BRGPHY_MII_DSP_ADDR_REG, 0x201f },
756 { BRGPHY_MII_DSP_RW_PORT, 0x2aaa },
761 for (i = 0; dspcode[i].reg != 0; i++)
762 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
766 brgphy_fixup_adjust_trim(struct mii_softc *sc)
768 static const struct {
772 { BRGPHY_MII_AUXCTL, 0x0c00 },
773 { BRGPHY_MII_DSP_ADDR_REG, 0x000a },
774 { BRGPHY_MII_DSP_RW_PORT, 0x110b },
775 { BRGPHY_MII_TEST1, 0x0014 },
776 { BRGPHY_MII_AUXCTL, 0x0400 },
781 for (i = 0; dspcode[i].reg != 0; i++)
782 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
786 brgphy_fixup_ber_bug(struct mii_softc *sc)
788 static const struct {
792 { BRGPHY_MII_AUXCTL, 0x0c00 },
793 { BRGPHY_MII_DSP_ADDR_REG, 0x000a },
794 { BRGPHY_MII_DSP_RW_PORT, 0x310b },
795 { BRGPHY_MII_DSP_ADDR_REG, 0x201f },
796 { BRGPHY_MII_DSP_RW_PORT, 0x9506 },
797 { BRGPHY_MII_DSP_ADDR_REG, 0x401f },
798 { BRGPHY_MII_DSP_RW_PORT, 0x14e2 },
799 { BRGPHY_MII_AUXCTL, 0x0400 },
804 for (i = 0; dspcode[i].reg != 0; i++)
805 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
809 brgphy_fixup_crc_bug(struct mii_softc *sc)
811 static const struct {
815 { BRGPHY_MII_DSP_RW_PORT, 0x0a75 },
823 for (i = 0; dspcode[i].reg != 0; i++)
824 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
828 brgphy_fixup_jitter_bug(struct mii_softc *sc)
830 static const struct {
834 { BRGPHY_MII_AUXCTL, 0x0c00 },
835 { BRGPHY_MII_DSP_ADDR_REG, 0x000a },
836 { BRGPHY_MII_DSP_RW_PORT, 0x010b },
837 { BRGPHY_MII_AUXCTL, 0x0400 },
842 for (i = 0; dspcode[i].reg != 0; i++)
843 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val);
848 brgphy_fixup_disable_early_dac(struct mii_softc *sc)
852 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08);
853 val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT);
855 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val);
861 brgphy_ethernet_wirespeed(struct mii_softc *sc)
865 /* Enable Ethernet@WireSpeed. */
866 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007);
867 val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
868 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, val | (1 << 15) | (1 << 4));
873 brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu)
875 struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
878 /* Set or clear jumbo frame settings in the PHY. */
879 if (mtu > ETHER_MAX_LEN) {
880 if (bsc->mii_model == MII_MODEL_xxBROADCOM_BCM5401) {
881 /* BCM5401 PHY cannot read-modify-write. */
882 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20);
884 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
885 val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
886 PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
887 val | BRGPHY_AUXCTL_LONG_PKT);
890 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
891 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
892 val | BRGPHY_PHY_EXTCTL_HIGH_LA);
894 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7);
895 val = PHY_READ(sc, BRGPHY_MII_AUXCTL);
896 PHY_WRITE(sc, BRGPHY_MII_AUXCTL,
897 val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7));
899 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL);
900 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
901 val & ~BRGPHY_PHY_EXTCTL_HIGH_LA);
906 brgphy_reset(struct mii_softc *sc)
908 struct brgphy_softc *bsc = (struct brgphy_softc *)sc;
909 struct bge_softc *bge_sc = NULL;
910 struct bce_softc *bce_sc = NULL;
913 /* Perform a standard PHY reset. */
916 /* Handle any PHY specific procedures following the reset. */
917 switch (bsc->mii_oui) {
918 case MII_OUI_BROADCOM:
920 case MII_OUI_xxBROADCOM:
921 switch (bsc->mii_model) {
922 case MII_MODEL_xxBROADCOM_BCM5400:
923 bcm5401_load_dspcode(sc);
925 case MII_MODEL_xxBROADCOM_BCM5401:
926 if (bsc->mii_rev == 1 || bsc->mii_rev == 3)
927 bcm5401_load_dspcode(sc);
929 case MII_MODEL_xxBROADCOM_BCM5411:
930 bcm5411_load_dspcode(sc);
934 case MII_OUI_xxBROADCOM_ALT1:
938 ifp = sc->mii_pdata->mii_ifp;
940 /* Find the driver associated with this PHY. */
941 if (strcmp(ifp->if_dname, "bge") == 0) {
942 bge_sc = ifp->if_softc;
943 } else if (strcmp(ifp->if_dname, "bce") == 0) {
944 bce_sc = ifp->if_softc;
947 /* Handle any bge (NetXtreme/NetLink) workarounds. */
949 /* Fix up various bugs */
950 if (bge_sc->bge_flags & BGE_FLAG_5704_A0_BUG)
951 brgphy_fixup_5704_a0_bug(sc);
952 if (bge_sc->bge_flags & BGE_FLAG_ADC_BUG)
953 brgphy_fixup_adc_bug(sc);
954 if (bge_sc->bge_flags & BGE_FLAG_ADJUST_TRIM)
955 brgphy_fixup_adjust_trim(sc);
956 if (bge_sc->bge_flags & BGE_FLAG_BER_BUG)
957 brgphy_fixup_ber_bug(sc);
958 if (bge_sc->bge_flags & BGE_FLAG_CRC_BUG)
959 brgphy_fixup_crc_bug(sc);
960 if (bge_sc->bge_flags & BGE_FLAG_JITTER_BUG)
961 brgphy_fixup_jitter_bug(sc);
963 brgphy_jumbo_settings(sc, ifp->if_mtu);
965 if (bge_sc->bge_flags & BGE_FLAG_WIRESPEED)
966 brgphy_ethernet_wirespeed(sc);
968 /* Enable Link LED on Dell boxes */
969 if (bge_sc->bge_flags & BGE_FLAG_NO_3LED) {
970 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL,
971 PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) &
972 ~BRGPHY_PHY_EXTCTL_3_LED);
975 /* Adjust output voltage (From Linux driver) */
976 if (bge_sc->bge_asicrev == BGE_ASICREV_BCM5906)
977 PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12);
979 /* Handle any bce (NetXtreme II) workarounds. */
982 if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5708 &&
983 (bce_sc->bce_phy_flags & BCE_PHY_SERDES_FLAG)) {
985 /* Store autoneg capabilities/results in digital block (Page 0) */
986 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG3_PG2);
987 PHY_WRITE(sc, BRGPHY_5708S_PG2_DIGCTL_3_0,
988 BRGPHY_5708S_PG2_DIGCTL_3_0_USE_IEEE);
989 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR, BRGPHY_5708S_DIG_PG0);
991 /* Enable fiber mode and autodetection */
992 PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL1,
993 PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL1) |
994 BRGPHY_5708S_PG0_1000X_CTL1_AUTODET_EN |
995 BRGPHY_5708S_PG0_1000X_CTL1_FIBER_MODE);
997 /* Enable parallel detection */
998 PHY_WRITE(sc, BRGPHY_5708S_PG0_1000X_CTL2,
999 PHY_READ(sc, BRGPHY_5708S_PG0_1000X_CTL2) |
1000 BRGPHY_5708S_PG0_1000X_CTL2_PAR_DET_EN);
1002 /* Advertise 2.5G support through next page during autoneg */
1003 if (bce_sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
1004 PHY_WRITE(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1,
1005 PHY_READ(sc, BRGPHY_5708S_ANEG_NXT_PG_XMIT1) |
1006 BRGPHY_5708S_ANEG_NXT_PG_XMIT1_25G);
1008 /* Increase TX signal amplitude */
1009 if ((BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_A0) ||
1010 (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B0) ||
1011 (BCE_CHIP_ID(bce_sc) == BCE_CHIP_ID_5708_B1)) {
1012 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1013 BRGPHY_5708S_TX_MISC_PG5);
1014 PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL1,
1015 PHY_READ(sc, BRGPHY_5708S_PG5_TXACTL1) & ~0x30);
1016 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1017 BRGPHY_5708S_DIG_PG0);
1020 /* Backplanes use special driver/pre-driver/pre-emphasis values. */
1021 if ((bce_sc->bce_shared_hw_cfg & BCE_SHARED_HW_CFG_PHY_BACKPLANE) &&
1022 (bce_sc->bce_port_hw_cfg & BCE_PORT_HW_CFG_CFG_TXCTL3_MASK)) {
1023 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1024 BRGPHY_5708S_TX_MISC_PG5);
1025 PHY_WRITE(sc, BRGPHY_5708S_PG5_TXACTL3,
1026 bce_sc->bce_port_hw_cfg &
1027 BCE_PORT_HW_CFG_CFG_TXCTL3_MASK);
1028 PHY_WRITE(sc, BRGPHY_5708S_BLOCK_ADDR,
1029 BRGPHY_5708S_DIG_PG0);
1031 } else if (BCE_CHIP_NUM(bce_sc) == BCE_CHIP_NUM_5709) {
1032 if ((BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Ax) ||
1033 (BCE_CHIP_REV(bce_sc) == BCE_CHIP_REV_Bx))
1034 brgphy_fixup_disable_early_dac(sc);
1036 brgphy_jumbo_settings(sc, ifp->if_mtu);
1037 brgphy_ethernet_wirespeed(sc);
1039 brgphy_fixup_ber_bug(sc);
1040 brgphy_jumbo_settings(sc, ifp->if_mtu);
1041 brgphy_ethernet_wirespeed(sc);