1 /* $OpenBSD: brgphy.c,v 1.48 2006/05/20 23:03:53 brad Exp $ */ 2 3 /* 4 * Copyright (c) 2000 5 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: src/sys/dev/mii/brgphy.c,v 1.1.2.7 2003/05/11 18:00:55 ps Exp $ 35 */ 36 37 /* 38 * Driver for the Broadcom BCR5400 1000baseT PHY. Speed is always 39 * 1000mbps; all we need to negotiate here is full or half duplex. 40 */ 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/socket.h> 46 #include <sys/bus.h> 47 #include <sys/sysctl.h> 48 49 #include <net/ethernet.h> 50 #include <net/if.h> 51 #include <net/if_media.h> 52 #include <net/if_arp.h> 53 54 #include "mii.h" 55 #include "miivar.h" 56 #include "miidevs.h" 57 #include "brgphyreg.h" 58 59 #include "miibus_if.h" 60 61 static int brgphy_probe(device_t); 62 static int brgphy_attach(device_t); 63 64 static const struct mii_phydesc brgphys[] = { 65 MII_PHYDESC(xxBROADCOM, BCM5400), 66 MII_PHYDESC(xxBROADCOM, BCM5401), 67 MII_PHYDESC(xxBROADCOM, BCM5411), 68 MII_PHYDESC(xxBROADCOM, BCM5421), 69 MII_PHYDESC(xxBROADCOM, BCM54K2), 70 MII_PHYDESC(xxBROADCOM, BCM5461), 71 MII_PHYDESC(xxBROADCOM, BCM5462), 72 MII_PHYDESC(xxBROADCOM, BCM5464), 73 74 MII_PHYDESC(xxBROADCOM, BCM5701), 75 MII_PHYDESC(xxBROADCOM, BCM5703), 76 MII_PHYDESC(xxBROADCOM, BCM5704), 77 MII_PHYDESC(xxBROADCOM, BCM5705), 78 MII_PHYDESC(xxBROADCOM, BCM5714), 79 MII_PHYDESC(xxBROADCOM, BCM5750), 80 MII_PHYDESC(xxBROADCOM, BCM5752), 81 MII_PHYDESC(xxBROADCOM, BCM5780), 82 83 MII_PHYDESC(xxBROADCOM2,BCM54XX), 84 MII_PHYDESC(xxBROADCOM2,BCM5481), 85 MII_PHYDESC(xxBROADCOM2,BCM5482), 86 MII_PHYDESC(xxBROADCOM2,BCM5722), 87 MII_PHYDESC(xxBROADCOM2,BCM5755), 88 MII_PHYDESC(xxBROADCOM2,BCM5761), 89 MII_PHYDESC(xxBROADCOM2,BCM5784), 90 MII_PHYDESC(xxBROADCOM2,BCM5787), 91 92 MII_PHYDESC(xxBROADCOM, BCM5706C), 93 MII_PHYDESC(xxBROADCOM, BCM5708C), 94 MII_PHYDESC(xxBROADCOM2, BCM5709CAX), 95 MII_PHYDESC(xxBROADCOM2, BCM5709C), 96 97 MII_PHYDESC(xxBROADCOM3, BCM54640), 98 MII_PHYDESC(xxBROADCOM3, BCM54680), 99 MII_PHYDESC(xxBROADCOM3, BCM54685), 100 MII_PHYDESC(xxBROADCOM3, BCM54880), 101 MII_PHYDESC(xxBROADCOM3, BCM54881), 102 MII_PHYDESC(xxBROADCOM3, BCM5719C), 103 MII_PHYDESC(xxBROADCOM3, BCM5718C), 104 MII_PHYDESC(xxBROADCOM3, BCM5720C), 105 MII_PHYDESC(xxBROADCOM3, BCM57765), 106 MII_PHYDESC(xxBROADCOM3, BCM57780), 107 108 MII_PHYDESC(xxBROADCOM4, BCM5762), 109 110 MII_PHYDESC(BROADCOM2, BCM5906), 111 112 MII_PHYDESC_NULL 113 }; 114 115 static device_method_t brgphy_methods[] = { 116 /* device interface */ 117 DEVMETHOD(device_probe, brgphy_probe), 118 DEVMETHOD(device_attach, brgphy_attach), 119 DEVMETHOD(device_detach, ukphy_detach), 120 DEVMETHOD(device_shutdown, bus_generic_shutdown), 121 DEVMETHOD_END 122 }; 123 124 static devclass_t brgphy_devclass; 125 126 static driver_t brgphy_driver = { 127 "brgphy", 128 brgphy_methods, 129 sizeof(struct mii_softc) 130 }; 131 132 DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, NULL, NULL); 133 134 static int brgphy_service(struct mii_softc *, struct mii_data *, int); 135 static void brgphy_status(struct mii_softc *); 136 static void brgphy_mii_phy_auto(struct mii_softc *); 137 static void brgphy_reset(struct mii_softc *); 138 static void brgphy_loop(struct mii_softc *); 139 140 static void brgphy_bcm5401_dspcode(struct mii_softc *); 141 static void brgphy_bcm5411_dspcode(struct mii_softc *); 142 static void brgphy_bcm5421_dspcode(struct mii_softc *); 143 static void brgphy_bcm54k2_dspcode(struct mii_softc *); 144 145 static void brgphy_adc_bug(struct mii_softc *); 146 static void brgphy_5704_a0_bug(struct mii_softc *); 147 static void brgphy_ber_bug(struct mii_softc *); 148 static void brgphy_crc_bug(struct mii_softc *); 149 150 static void brgphy_disable_early_dac(struct mii_softc *); 151 static void brgphy_jumbo_settings(struct mii_softc *, u_long); 152 static void brgphy_eth_wirespeed(struct mii_softc *); 153 154 static int 155 brgphy_probe(device_t dev) 156 { 157 struct mii_attach_args *ma = device_get_ivars(dev); 158 const struct mii_phydesc *mpd; 159 160 mpd = mii_phy_match(ma, brgphys); 161 if (mpd != NULL) { 162 device_set_desc(dev, mpd->mpd_name); 163 return (0); 164 } 165 return(ENXIO); 166 } 167 168 static int 169 brgphy_attach(device_t dev) 170 { 171 struct mii_softc *sc; 172 struct mii_attach_args *ma; 173 struct mii_data *mii; 174 175 sc = device_get_softc(dev); 176 ma = device_get_ivars(dev); 177 mii_softc_init(sc, ma); 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_service = brgphy_service; 184 sc->mii_reset = brgphy_reset; 185 sc->mii_pdata = mii; 186 187 sc->mii_flags |= MIIF_NOISOLATE; 188 mii->mii_instance++; 189 190 brgphy_reset(sc); 191 192 #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL) 193 194 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), 195 MII_MEDIA_NONE); 196 #if 0 197 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst), 198 MII_MEDIA_100_TX); 199 #endif 200 201 #undef ADD 202 203 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 204 if (sc->mii_capabilities & BMSR_EXTSTAT) 205 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 206 207 device_printf(dev, " "); 208 if ((sc->mii_capabilities & BMSR_MEDIAMASK) || 209 (sc->mii_extcapabilities & EXTSR_MEDIAMASK)) 210 mii_phy_add_media(sc); 211 else 212 kprintf("no media present"); 213 kprintf("\n"); 214 215 MIIBUS_MEDIAINIT(sc->mii_dev); 216 return(0); 217 } 218 219 static int 220 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 221 { 222 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 223 int reg, speed, gig; 224 225 switch (cmd) { 226 case MII_POLLSTAT: 227 /* 228 * If we're not polling our PHY instance, just return. 229 */ 230 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 231 return (0); 232 break; 233 234 case MII_MEDIACHG: 235 /* 236 * If the media indicates a different PHY instance, 237 * isolate ourselves. 238 */ 239 if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 240 reg = PHY_READ(sc, MII_BMCR); 241 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 242 return (0); 243 } 244 245 /* 246 * If the interface is not up, don't do anything. 247 */ 248 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 249 break; 250 251 brgphy_reset(sc); /* XXX hardware bug work-around */ 252 253 switch (IFM_SUBTYPE(ife->ifm_media)) { 254 case IFM_AUTO: 255 #ifdef foo 256 /* 257 * If we're already in auto mode, just return. 258 */ 259 if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN) 260 return (0); 261 #endif 262 brgphy_mii_phy_auto(sc); 263 break; 264 case IFM_1000_T: 265 speed = BRGPHY_S1000; 266 goto setit; 267 case IFM_100_TX: 268 speed = BRGPHY_S100; 269 goto setit; 270 case IFM_10_T: 271 speed = BRGPHY_S10; 272 setit: 273 brgphy_loop(sc); 274 if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) { 275 speed |= BRGPHY_BMCR_FDX; 276 gig = BRGPHY_1000CTL_AFD; 277 } else { 278 gig = BRGPHY_1000CTL_AHD; 279 } 280 281 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0); 282 PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE); 283 PHY_WRITE(sc, BRGPHY_MII_BMCR, speed); 284 285 if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) 286 break; 287 288 PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig); 289 PHY_WRITE(sc, BRGPHY_MII_BMCR, 290 speed|BRGPHY_BMCR_AUTOEN|BRGPHY_BMCR_STARTNEG); 291 292 if (sc->mii_model != MII_MODEL_xxBROADCOM_BCM5701) 293 break; 294 295 /* 296 * When settning the link manually, one side must 297 * be the master and the other the slave. However 298 * ifmedia doesn't give us a good way to specify 299 * this, so we fake it by using one of the LINK 300 * flags. If LINK0 is set, we program the PHY to 301 * be a master, otherwise it's a slave. 302 */ 303 if ((mii->mii_ifp->if_flags & IFF_LINK0)) { 304 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 305 gig|BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC); 306 } else { 307 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 308 gig|BRGPHY_1000CTL_MSE); 309 } 310 break; 311 #ifdef foo 312 case IFM_NONE: 313 PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN); 314 break; 315 #endif 316 case IFM_100_T4: 317 default: 318 return (EINVAL); 319 } 320 break; 321 322 case MII_TICK: 323 /* 324 * If we're not currently selected, just return. 325 */ 326 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 327 return (0); 328 329 /* 330 * Is the interface even up? 331 */ 332 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 333 return (0); 334 335 /* 336 * Only used for autonegotiation. 337 */ 338 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 339 break; 340 341 /* 342 * Check to see if we have link. If we do, we don't 343 * need to restart the autonegotiation process. Read 344 * the BMSR twice in case it's latched. 345 */ 346 reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); 347 if (reg & BMSR_LINK) { 348 sc->mii_ticks = 0; 349 break; 350 } 351 352 /* 353 * Only retry autonegotiation every 5 seconds. 354 */ 355 if (++sc->mii_ticks <= sc->mii_anegticks) 356 break; 357 358 sc->mii_ticks = 0; 359 brgphy_mii_phy_auto(sc); 360 break; 361 } 362 363 /* Update the media status. */ 364 brgphy_status(sc); 365 366 /* 367 * Callback if something changed. Note that we need to poke 368 * the DSP on the Broadcom PHYs if the media changes. 369 */ 370 if (sc->mii_media_active != mii->mii_media_active || 371 sc->mii_media_status != mii->mii_media_status || 372 cmd == MII_MEDIACHG) { 373 switch (sc->mii_model) { 374 case MII_MODEL_xxBROADCOM_BCM5400: 375 brgphy_bcm5401_dspcode(sc); 376 break; 377 case MII_MODEL_xxBROADCOM_BCM5401: 378 if (sc->mii_rev == 1 || sc->mii_rev == 3) 379 brgphy_bcm5401_dspcode(sc); 380 break; 381 case MII_MODEL_xxBROADCOM_BCM5411: 382 brgphy_bcm5411_dspcode(sc); 383 break; 384 } 385 } 386 mii_phy_update(sc, cmd); 387 return (0); 388 } 389 390 static void 391 brgphy_status(struct mii_softc *sc) 392 { 393 struct mii_data *mii = sc->mii_pdata; 394 int bmcr, bmsr; 395 396 mii->mii_media_status = IFM_AVALID; 397 mii->mii_media_active = IFM_ETHER; 398 399 bmsr = PHY_READ(sc, BRGPHY_MII_BMSR) | PHY_READ(sc, BRGPHY_MII_BMSR); 400 if (bmsr & BRGPHY_BMSR_LINK) 401 mii->mii_media_status |= IFM_ACTIVE; 402 403 bmcr = PHY_READ(sc, BRGPHY_MII_BMCR); 404 if (bmcr & BRGPHY_BMCR_LOOP) 405 mii->mii_media_active |= IFM_LOOP; 406 407 if (bmcr & BRGPHY_BMCR_AUTOEN) { 408 int auxsts; 409 410 if ((bmsr & BRGPHY_BMSR_ACOMP) == 0) { 411 /* Erg, still trying, I guess... */ 412 mii->mii_media_active |= IFM_NONE; 413 return; 414 } 415 416 auxsts = PHY_READ(sc, BRGPHY_MII_AUXSTS); 417 418 switch (auxsts & BRGPHY_AUXSTS_AN_RES) { 419 case BRGPHY_RES_1000FD: 420 mii->mii_media_active |= IFM_1000_T | IFM_FDX; 421 break; 422 case BRGPHY_RES_1000HD: 423 mii->mii_media_active |= IFM_1000_T | IFM_HDX; 424 break; 425 case BRGPHY_RES_100FD: 426 mii->mii_media_active |= IFM_100_TX | IFM_FDX; 427 break; 428 case BRGPHY_RES_100T4: 429 mii->mii_media_active |= IFM_100_T4; 430 break; 431 case BRGPHY_RES_100HD: 432 mii->mii_media_active |= IFM_100_TX | IFM_HDX; 433 break; 434 case BRGPHY_RES_10FD: 435 mii->mii_media_active |= IFM_10_T | IFM_FDX; 436 break; 437 case BRGPHY_RES_10HD: 438 mii->mii_media_active |= IFM_10_T | IFM_HDX; 439 break; 440 default: 441 if (sc->mii_model == MII_MODEL_BROADCOM2_BCM5906) { 442 mii->mii_media_active |= (auxsts & 443 BRGPHY_RES_100) ? IFM_100_TX : IFM_10_T; 444 mii->mii_media_active |= (auxsts & 445 BRGPHY_RES_FULL) ? IFM_FDX : IFM_HDX; 446 break; 447 } 448 mii->mii_media_active |= IFM_NONE; 449 break; 450 } 451 } else { 452 mii->mii_media_active = mii->mii_media.ifm_cur->ifm_media; 453 } 454 } 455 456 457 static void 458 brgphy_mii_phy_auto(struct mii_softc *sc) 459 { 460 int ktcr; 461 462 brgphy_reset(sc); 463 464 PHY_WRITE(sc, BRGPHY_MII_ANAR, 465 BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA); 466 DELAY(1000); 467 468 ktcr = BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD; 469 if (sc->mii_model == MII_MODEL_xxBROADCOM_BCM5701) 470 ktcr |= BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC; 471 PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr); 472 ktcr = PHY_READ(sc, BRGPHY_MII_1000CTL); 473 DELAY(1000); 474 475 PHY_WRITE(sc, BRGPHY_MII_BMCR, 476 BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG); 477 PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00); 478 } 479 480 static void 481 brgphy_loop(struct mii_softc *sc) 482 { 483 uint32_t bmsr; 484 int i; 485 486 PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP); 487 for (i = 0; i < 15000; i++) { 488 bmsr = PHY_READ(sc, BRGPHY_MII_BMSR); 489 if (!(bmsr & BRGPHY_BMSR_LINK)) 490 break; 491 DELAY(10); 492 } 493 } 494 495 static void 496 brgphy_reset(struct mii_softc *sc) 497 { 498 mii_phy_reset(sc); 499 500 switch (sc->mii_model) { 501 case MII_MODEL_xxBROADCOM_BCM5400: 502 brgphy_bcm5401_dspcode(sc); 503 break; 504 case MII_MODEL_xxBROADCOM_BCM5401: 505 if (sc->mii_rev == 1 || sc->mii_rev == 3) 506 brgphy_bcm5401_dspcode(sc); 507 break; 508 case MII_MODEL_xxBROADCOM_BCM5411: 509 brgphy_bcm5411_dspcode(sc); 510 break; 511 case MII_MODEL_xxBROADCOM_BCM5421: 512 brgphy_bcm5421_dspcode(sc); 513 break; 514 case MII_MODEL_xxBROADCOM_BCM54K2: 515 brgphy_bcm54k2_dspcode(sc); 516 break; 517 } 518 519 if (sc->mii_privtag != MII_PRIVTAG_BRGPHY) 520 return; 521 522 if (sc->mii_priv & BRGPHY_FLAG_ADC_BUG) 523 brgphy_adc_bug(sc); 524 if (sc->mii_priv & BRGPHY_FLAG_5704_A0) 525 brgphy_5704_a0_bug(sc); 526 if (sc->mii_priv & BRGPHY_FLAG_BER_BUG) { 527 brgphy_ber_bug(sc); 528 } else if (sc->mii_priv & BRGPHY_FLAG_JITTER_BUG) { 529 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0c00); 530 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a); 531 532 if (sc->mii_priv & BRGPHY_FLAG_ADJUST_TRIM) { 533 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x110b); 534 PHY_WRITE(sc, BRGPHY_TEST1, 535 BRGPHY_TEST1_TRIM_EN | 0x4); 536 } else { 537 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x010b); 538 } 539 540 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0400); 541 } 542 if (sc->mii_priv & BRGPHY_FLAG_CRC_BUG) 543 brgphy_crc_bug(sc); 544 if (sc->mii_priv & BRGPHY_FLAG_NO_EARLYDAC) 545 brgphy_disable_early_dac(sc); 546 547 /* Set Jumbo frame settings in the PHY. */ 548 brgphy_jumbo_settings(sc, sc->mii_pdata->mii_ifp->if_mtu); 549 550 /* Adjust output voltage */ 551 if (sc->mii_priv & BRGPHY_FLAG_5906) 552 PHY_WRITE(sc, BRGPHY_MII_EPHY_PTEST, 0x12); 553 554 if (sc->mii_priv & BRGPHY_FLAG_5762_A0) { 555 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0xffb); 556 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x4000); 557 } 558 559 /* Enable Ethernet@Wirespeed */ 560 if (sc->mii_priv & BRGPHY_FLAG_WIRESPEED) 561 brgphy_eth_wirespeed(sc); 562 563 /* Enable Link LED on Dell boxes */ 564 if (sc->mii_priv & BRGPHY_FLAG_NO_3LED) { 565 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, 566 PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) & 567 ~BRGPHY_PHY_EXTCTL_3_LED); 568 } 569 } 570 571 /* Turn off tap power management on 5401. */ 572 static void 573 brgphy_bcm5401_dspcode(struct mii_softc *sc) 574 { 575 static const struct { 576 int reg; 577 uint16_t val; 578 } dspcode[] = { 579 { BRGPHY_MII_AUXCTL, 0x0c20 }, 580 { BRGPHY_MII_DSP_ADDR_REG, 0x0012 }, 581 { BRGPHY_MII_DSP_RW_PORT, 0x1804 }, 582 { BRGPHY_MII_DSP_ADDR_REG, 0x0013 }, 583 { BRGPHY_MII_DSP_RW_PORT, 0x1204 }, 584 { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, 585 { BRGPHY_MII_DSP_RW_PORT, 0x0132 }, 586 { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, 587 { BRGPHY_MII_DSP_RW_PORT, 0x0232 }, 588 { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, 589 { BRGPHY_MII_DSP_RW_PORT, 0x0a20 }, 590 { 0, 0 }, 591 }; 592 int i; 593 594 for (i = 0; dspcode[i].reg != 0; i++) 595 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 596 DELAY(40); 597 } 598 599 /* Setting some undocumented voltage */ 600 static void 601 brgphy_bcm5411_dspcode(struct mii_softc *sc) 602 { 603 static const struct { 604 int reg; 605 uint16_t val; 606 } dspcode[] = { 607 { 0x1c, 0x8c23 }, 608 { 0x1c, 0x8ca3 }, 609 { 0x1c, 0x8c23 }, 610 { 0, 0 }, 611 }; 612 int i; 613 614 for (i = 0; dspcode[i].reg != 0; i++) 615 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 616 } 617 618 static void 619 brgphy_bcm5421_dspcode(struct mii_softc *sc) 620 { 621 uint16_t data; 622 623 /* Set Class A mode */ 624 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x1007); 625 data = PHY_READ(sc, BRGPHY_MII_AUXCTL); 626 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0400); 627 628 /* Set FFE gamma override to -0.125 */ 629 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0007); 630 data = PHY_READ(sc, BRGPHY_MII_AUXCTL); 631 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0800); 632 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a); 633 data = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT); 634 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, data | 0x0200); 635 } 636 637 static void 638 brgphy_bcm54k2_dspcode(struct mii_softc *sc) 639 { 640 static const struct { 641 int reg; 642 uint16_t val; 643 } dspcode[] = { 644 { 4, 0x01e1 }, 645 { 9, 0x0300 }, 646 { 0, 0 }, 647 }; 648 int i; 649 650 for (i = 0; dspcode[i].reg != 0; i++) 651 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 652 } 653 654 static void 655 brgphy_adc_bug(struct mii_softc *sc) 656 { 657 static const struct { 658 int reg; 659 uint16_t val; 660 } dspcode[] = { 661 { BRGPHY_MII_AUXCTL, 0x0c00 }, 662 { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, 663 { BRGPHY_MII_DSP_RW_PORT, 0x2aaa }, 664 { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, 665 { BRGPHY_MII_DSP_RW_PORT, 0x0323 }, 666 { BRGPHY_MII_AUXCTL, 0x0400 }, 667 { 0, 0 }, 668 }; 669 int i; 670 671 for (i = 0; dspcode[i].reg != 0; i++) 672 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 673 } 674 675 static void 676 brgphy_5704_a0_bug(struct mii_softc *sc) 677 { 678 static const struct { 679 int reg; 680 u_int16_t val; 681 } dspcode[] = { 682 { 0x1c, 0x8d68 }, 683 { 0x1c, 0x8d68 }, 684 { 0, 0 }, 685 }; 686 int i; 687 688 for (i = 0; dspcode[i].reg != 0; i++) 689 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 690 } 691 692 static void 693 brgphy_ber_bug(struct mii_softc *sc) 694 { 695 static const struct { 696 int reg; 697 uint16_t val; 698 } dspcode[] = { 699 { BRGPHY_MII_AUXCTL, 0x0c00 }, 700 { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, 701 { BRGPHY_MII_DSP_RW_PORT, 0x310b }, 702 { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, 703 { BRGPHY_MII_DSP_RW_PORT, 0x9506 }, 704 { BRGPHY_MII_DSP_ADDR_REG, 0x401f }, 705 { BRGPHY_MII_DSP_RW_PORT, 0x14e2 }, 706 { BRGPHY_MII_AUXCTL, 0x0400 }, 707 { 0, 0 }, 708 }; 709 int i; 710 711 for (i = 0; dspcode[i].reg != 0; i++) 712 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 713 } 714 715 static void 716 brgphy_crc_bug(struct mii_softc *sc) 717 { 718 static const struct { 719 int reg; 720 uint16_t val; 721 } dspcode[] = { 722 { BRGPHY_MII_DSP_ADDR_REG, 0x0a75 }, 723 { 0x1c, 0x8c68 }, 724 { 0x1c, 0x8d68 }, 725 { 0x1c, 0x8c68 }, 726 { 0, 0 }, 727 }; 728 int i; 729 730 for (i = 0; dspcode[i].reg != 0; i++) 731 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 732 } 733 734 static void 735 brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu) 736 { 737 uint32_t val; 738 739 /* Set or clear jumbo frame settings in the PHY. */ 740 if (mtu > ETHER_MAX_LEN) { 741 if (sc->mii_model == MII_MODEL_xxBROADCOM_BCM5401) { 742 /* BCM5401 PHY cannot read-modify-write. */ 743 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20); 744 } else { 745 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); 746 val = PHY_READ(sc, BRGPHY_MII_AUXCTL); 747 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 748 val | BRGPHY_AUXCTL_LONG_PKT); 749 } 750 751 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL); 752 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, 753 val | BRGPHY_PHY_EXTCTL_HIGH_LA); 754 } else { 755 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); 756 val = PHY_READ(sc, BRGPHY_MII_AUXCTL); 757 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 758 val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7)); 759 760 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL); 761 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, 762 val & ~BRGPHY_PHY_EXTCTL_HIGH_LA); 763 } 764 } 765 766 static void 767 brgphy_eth_wirespeed(struct mii_softc *sc) 768 { 769 u_int32_t val; 770 771 /* Enable Ethernet@Wirespeed */ 772 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007); 773 val = PHY_READ(sc, BRGPHY_MII_AUXCTL); 774 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, (val | (1 << 15) | (1 << 4))); 775 } 776 777 static void 778 brgphy_disable_early_dac(struct mii_softc *sc) 779 { 780 uint32_t val; 781 782 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x0f08); 783 val = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT); 784 val &= ~(1 << 8); 785 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, val); 786 } 787