tulip.c revision 1.60
1 /* $NetBSD: tulip.c,v 1.60 2000/04/04 19:22:51 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <vm/vm.h> /* for PAGE_SIZE */ 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_10; 97 98 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 99 TLP_TXTHRESH_TAB_10_100; 100 101 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 102 TLP_TXTHRESH_TAB_WINB; 103 104 void tlp_start __P((struct ifnet *)); 105 void tlp_watchdog __P((struct ifnet *)); 106 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 107 108 void tlp_shutdown __P((void *)); 109 110 void tlp_reset __P((struct tulip_softc *)); 111 int tlp_init __P((struct tulip_softc *)); 112 void tlp_rxdrain __P((struct tulip_softc *)); 113 void tlp_stop __P((struct tulip_softc *, int)); 114 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 115 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 116 void tlp_srom_idle __P((struct tulip_softc *)); 117 int tlp_srom_size __P((struct tulip_softc *)); 118 119 int tlp_enable __P((struct tulip_softc *)); 120 void tlp_disable __P((struct tulip_softc *)); 121 void tlp_power __P((int, void *)); 122 123 void tlp_filter_setup __P((struct tulip_softc *)); 124 void tlp_winb_filter_setup __P((struct tulip_softc *)); 125 void tlp_al981_filter_setup __P((struct tulip_softc *)); 126 127 void tlp_rxintr __P((struct tulip_softc *)); 128 void tlp_txintr __P((struct tulip_softc *)); 129 130 void tlp_mii_tick __P((void *)); 131 void tlp_mii_statchg __P((struct device *)); 132 void tlp_winb_mii_statchg __P((struct device *)); 133 134 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 135 int tlp_mii_setmedia __P((struct tulip_softc *)); 136 137 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 138 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 139 140 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 141 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 142 143 int tlp_al981_mii_readreg __P((struct device *, int, int)); 144 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 145 146 void tlp_2114x_preinit __P((struct tulip_softc *)); 147 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 148 void tlp_pnic_preinit __P((struct tulip_softc *)); 149 150 void tlp_21140_reset __P((struct tulip_softc *)); 151 void tlp_21142_reset __P((struct tulip_softc *)); 152 void tlp_pmac_reset __P((struct tulip_softc *)); 153 154 u_int32_t tlp_crc32 __P((const u_int8_t *, size_t)); 155 #define tlp_mchash(addr, sz) (tlp_crc32((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 156 157 /* 158 * MII bit-bang glue. 159 */ 160 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 161 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 162 163 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 164 tlp_sio_mii_bitbang_read, 165 tlp_sio_mii_bitbang_write, 166 { 167 MIIROM_MDO, /* MII_BIT_MDO */ 168 MIIROM_MDI, /* MII_BIT_MDI */ 169 MIIROM_MDC, /* MII_BIT_MDC */ 170 0, /* MII_BIT_DIR_HOST_PHY */ 171 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 172 } 173 }; 174 175 #ifdef TLP_DEBUG 176 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 177 printf x 178 #else 179 #define DPRINTF(sc, x) /* nothing */ 180 #endif 181 182 #ifdef TLP_STATS 183 void tlp_print_stats __P((struct tulip_softc *)); 184 #endif 185 186 /* 187 * tlp_attach: 188 * 189 * Attach a Tulip interface to the system. 190 */ 191 void 192 tlp_attach(sc, enaddr) 193 struct tulip_softc *sc; 194 const u_int8_t *enaddr; 195 { 196 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 197 int i, error; 198 199 callout_init(&sc->sc_nway_callout); 200 callout_init(&sc->sc_tick_callout); 201 202 /* 203 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 204 */ 205 206 /* 207 * Setup the transmit threshold table. 208 */ 209 switch (sc->sc_chip) { 210 case TULIP_CHIP_DE425: 211 case TULIP_CHIP_21040: 212 case TULIP_CHIP_21041: 213 sc->sc_txth = tlp_10_txthresh_tab; 214 break; 215 216 default: 217 sc->sc_txth = tlp_10_100_txthresh_tab; 218 break; 219 } 220 221 /* 222 * Setup the filter setup function. 223 */ 224 switch (sc->sc_chip) { 225 case TULIP_CHIP_WB89C840F: 226 sc->sc_filter_setup = tlp_winb_filter_setup; 227 break; 228 229 case TULIP_CHIP_AL981: 230 sc->sc_filter_setup = tlp_al981_filter_setup; 231 break; 232 233 default: 234 sc->sc_filter_setup = tlp_filter_setup; 235 break; 236 } 237 238 /* 239 * Set up the media status change function. 240 */ 241 switch (sc->sc_chip) { 242 case TULIP_CHIP_WB89C840F: 243 sc->sc_statchg = tlp_winb_mii_statchg; 244 break; 245 246 default: 247 /* 248 * We may override this if we have special media 249 * handling requirements (e.g. flipping GPIO pins). 250 * 251 * The pure-MII statchg function covers the basics. 252 */ 253 sc->sc_statchg = tlp_mii_statchg; 254 break; 255 } 256 257 /* 258 * Set up various chip-specific quirks. 259 * 260 * Note that wherever we can, we use the "ring" option for 261 * transmit and receive descriptors. This is because some 262 * clone chips apparently have problems when using chaining, 263 * although some *only* support chaining. 264 * 265 * What we do is always program the "next" pointer, and then 266 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 267 * appropriate places. 268 */ 269 switch (sc->sc_chip) { 270 case TULIP_CHIP_21140: 271 case TULIP_CHIP_21140A: 272 case TULIP_CHIP_21142: 273 case TULIP_CHIP_21143: 274 case TULIP_CHIP_82C115: /* 21143-like */ 275 case TULIP_CHIP_MX98713: /* 21140-like */ 276 case TULIP_CHIP_MX98713A: /* 21143-like */ 277 case TULIP_CHIP_MX98715: /* 21143-like */ 278 case TULIP_CHIP_MX98715A: /* 21143-like */ 279 case TULIP_CHIP_MX98725: /* 21143-like */ 280 /* 281 * Run these chips in ring mode. 282 */ 283 sc->sc_tdctl_ch = 0; 284 sc->sc_tdctl_er = TDCTL_ER; 285 sc->sc_preinit = tlp_2114x_preinit; 286 break; 287 288 case TULIP_CHIP_82C168: 289 case TULIP_CHIP_82C169: 290 /* 291 * Run these chips in ring mode. 292 */ 293 sc->sc_tdctl_ch = 0; 294 sc->sc_tdctl_er = TDCTL_ER; 295 sc->sc_preinit = tlp_pnic_preinit; 296 297 /* 298 * These chips seem to have busted DMA engines; just put them 299 * in Store-and-Forward mode from the get-go. 300 */ 301 sc->sc_txthresh = TXTH_SF; 302 break; 303 304 case TULIP_CHIP_WB89C840F: 305 /* 306 * Run this chip in chained mode. 307 */ 308 sc->sc_tdctl_ch = TDCTL_CH; 309 sc->sc_tdctl_er = 0; 310 sc->sc_flags |= TULIPF_IC_FS; 311 break; 312 313 default: 314 /* 315 * Default to running in ring mode. 316 */ 317 sc->sc_tdctl_ch = 0; 318 sc->sc_tdctl_er = TDCTL_ER; 319 } 320 321 /* 322 * Set up the MII bit-bang operations. 323 */ 324 switch (sc->sc_chip) { 325 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 326 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 327 break; 328 329 default: 330 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 331 } 332 333 SIMPLEQ_INIT(&sc->sc_txfreeq); 334 SIMPLEQ_INIT(&sc->sc_txdirtyq); 335 336 /* 337 * Allocate the control data structures, and create and load the 338 * DMA map for it. 339 */ 340 if ((error = bus_dmamem_alloc(sc->sc_dmat, 341 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 342 1, &sc->sc_cdnseg, 0)) != 0) { 343 printf("%s: unable to allocate control data, error = %d\n", 344 sc->sc_dev.dv_xname, error); 345 goto fail_0; 346 } 347 348 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 349 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 350 BUS_DMA_COHERENT)) != 0) { 351 printf("%s: unable to map control data, error = %d\n", 352 sc->sc_dev.dv_xname, error); 353 goto fail_1; 354 } 355 356 if ((error = bus_dmamap_create(sc->sc_dmat, 357 sizeof(struct tulip_control_data), 1, 358 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 359 printf("%s: unable to create control data DMA map, " 360 "error = %d\n", sc->sc_dev.dv_xname, error); 361 goto fail_2; 362 } 363 364 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 365 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 366 0)) != 0) { 367 printf("%s: unable to load control data DMA map, error = %d\n", 368 sc->sc_dev.dv_xname, error); 369 goto fail_3; 370 } 371 372 /* 373 * Create the transmit buffer DMA maps. 374 * 375 * Note that on the Xircom clone, transmit buffers must be 376 * 4-byte aligned. We're almost guaranteed to have to copy 377 * the packet in that case, so we just limit ourselves to 378 * one segment. 379 */ 380 switch (sc->sc_chip) { 381 case TULIP_CHIP_X3201_3: 382 sc->sc_ntxsegs = 1; 383 break; 384 385 default: 386 sc->sc_ntxsegs = TULIP_NTXSEGS; 387 } 388 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 389 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 390 sc->sc_ntxsegs, MCLBYTES, 0, 0, 391 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 392 printf("%s: unable to create tx DMA map %d, " 393 "error = %d\n", sc->sc_dev.dv_xname, i, error); 394 goto fail_4; 395 } 396 } 397 398 /* 399 * Create the recieve buffer DMA maps. 400 */ 401 for (i = 0; i < TULIP_NRXDESC; i++) { 402 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 403 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 404 printf("%s: unable to create rx DMA map %d, " 405 "error = %d\n", sc->sc_dev.dv_xname, i, error); 406 goto fail_5; 407 } 408 sc->sc_rxsoft[i].rxs_mbuf = NULL; 409 } 410 411 /* 412 * From this point forward, the attachment cannot fail. A failure 413 * before this point releases all resources that may have been 414 * allocated. 415 */ 416 sc->sc_flags |= TULIPF_ATTACHED; 417 418 /* 419 * Reset the chip to a known state. 420 */ 421 tlp_reset(sc); 422 423 /* Announce ourselves. */ 424 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 425 sc->sc_name[0] != '\0' ? sc->sc_name : "", 426 sc->sc_name[0] != '\0' ? ", " : "", 427 ether_sprintf(enaddr)); 428 429 /* 430 * Initialize our media structures. This may probe the MII, if 431 * present. 432 */ 433 (*sc->sc_mediasw->tmsw_init)(sc); 434 435 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 436 ifp->if_softc = sc; 437 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 438 ifp->if_ioctl = tlp_ioctl; 439 ifp->if_start = tlp_start; 440 ifp->if_watchdog = tlp_watchdog; 441 442 /* 443 * Attach the interface. 444 */ 445 if_attach(ifp); 446 ether_ifattach(ifp, enaddr); 447 #if NBPFILTER > 0 448 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 449 sizeof(struct ether_header)); 450 #endif 451 452 /* 453 * Make sure the interface is shutdown during reboot. 454 */ 455 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 456 if (sc->sc_sdhook == NULL) 457 printf("%s: WARNING: unable to establish shutdown hook\n", 458 sc->sc_dev.dv_xname); 459 460 /* 461 * Add a suspend hook to make sure we come back up after a 462 * resume. 463 */ 464 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 465 if (sc->sc_powerhook == NULL) 466 printf("%s: WARNING: unable to establish power hook\n", 467 sc->sc_dev.dv_xname); 468 return; 469 470 /* 471 * Free any resources we've allocated during the failed attach 472 * attempt. Do this in reverse order and fall through. 473 */ 474 fail_5: 475 for (i = 0; i < TULIP_NRXDESC; i++) { 476 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 477 bus_dmamap_destroy(sc->sc_dmat, 478 sc->sc_rxsoft[i].rxs_dmamap); 479 } 480 fail_4: 481 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 482 if (sc->sc_txsoft[i].txs_dmamap != NULL) 483 bus_dmamap_destroy(sc->sc_dmat, 484 sc->sc_txsoft[i].txs_dmamap); 485 } 486 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 487 fail_3: 488 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 489 fail_2: 490 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 491 sizeof(struct tulip_control_data)); 492 fail_1: 493 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 494 fail_0: 495 return; 496 } 497 498 /* 499 * tlp_activate: 500 * 501 * Handle device activation/deactivation requests. 502 */ 503 int 504 tlp_activate(self, act) 505 struct device *self; 506 enum devact act; 507 { 508 struct tulip_softc *sc = (void *) self; 509 int s, error = 0; 510 511 s = splnet(); 512 switch (act) { 513 case DVACT_ACTIVATE: 514 error = EOPNOTSUPP; 515 break; 516 517 case DVACT_DEACTIVATE: 518 if (sc->sc_flags & TULIPF_HAS_MII) 519 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 520 MII_OFFSET_ANY); 521 if_deactivate(&sc->sc_ethercom.ec_if); 522 break; 523 } 524 splx(s); 525 526 return (error); 527 } 528 529 /* 530 * tlp_detach: 531 * 532 * Detach a Tulip interface. 533 */ 534 int 535 tlp_detach(sc) 536 struct tulip_softc *sc; 537 { 538 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 539 struct tulip_rxsoft *rxs; 540 struct tulip_txsoft *txs; 541 int i; 542 543 /* 544 * Suceed now if there isn't any work to do. 545 */ 546 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 547 return (0); 548 549 /* Unhook our tick handler. */ 550 if (sc->sc_tick) 551 callout_stop(&sc->sc_tick_callout); 552 553 if (sc->sc_flags & TULIPF_HAS_MII) { 554 /* Detach all PHYs */ 555 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 556 } 557 558 /* Delete all remaining media. */ 559 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 560 561 #if NBPFILTER > 0 562 bpfdetach(ifp); 563 #endif 564 ether_ifdetach(ifp); 565 if_detach(ifp); 566 567 for (i = 0; i < TULIP_NRXDESC; i++) { 568 rxs = &sc->sc_rxsoft[i]; 569 if (rxs->rxs_mbuf != NULL) { 570 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 571 m_freem(rxs->rxs_mbuf); 572 rxs->rxs_mbuf = NULL; 573 } 574 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 575 } 576 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 577 txs = &sc->sc_txsoft[i]; 578 if (txs->txs_mbuf != NULL) { 579 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 580 m_freem(txs->txs_mbuf); 581 txs->txs_mbuf = NULL; 582 } 583 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 584 } 585 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 586 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 587 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 588 sizeof(struct tulip_control_data)); 589 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 590 591 shutdownhook_disestablish(sc->sc_sdhook); 592 powerhook_disestablish(sc->sc_powerhook); 593 594 if (sc->sc_srom) 595 free(sc->sc_srom, M_DEVBUF); 596 597 return (0); 598 } 599 600 /* 601 * tlp_shutdown: 602 * 603 * Make sure the interface is stopped at reboot time. 604 */ 605 void 606 tlp_shutdown(arg) 607 void *arg; 608 { 609 struct tulip_softc *sc = arg; 610 611 tlp_stop(sc, 1); 612 } 613 614 /* 615 * tlp_start: [ifnet interface function] 616 * 617 * Start packet transmission on the interface. 618 */ 619 void 620 tlp_start(ifp) 621 struct ifnet *ifp; 622 { 623 struct tulip_softc *sc = ifp->if_softc; 624 struct mbuf *m0, *m; 625 struct tulip_txsoft *txs, *last_txs; 626 bus_dmamap_t dmamap; 627 int error, firsttx, nexttx, lasttx, ofree, seg; 628 629 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 630 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 631 632 /* 633 * If we want a filter setup, it means no more descriptors were 634 * available for the setup routine. Let it get a chance to wedge 635 * itself into the ring. 636 */ 637 if (sc->sc_flags & TULIPF_WANT_SETUP) 638 ifp->if_flags |= IFF_OACTIVE; 639 640 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 641 return; 642 643 /* 644 * Remember the previous number of free descriptors and 645 * the first descriptor we'll use. 646 */ 647 ofree = sc->sc_txfree; 648 firsttx = sc->sc_txnext; 649 650 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 651 sc->sc_dev.dv_xname, ofree, firsttx)); 652 653 /* 654 * Loop through the send queue, setting up transmit descriptors 655 * until we drain the queue, or use up all available transmit 656 * descriptors. 657 */ 658 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 659 sc->sc_txfree != 0) { 660 /* 661 * Grab a packet off the queue. 662 */ 663 IF_DEQUEUE(&ifp->if_snd, m0); 664 if (m0 == NULL) 665 break; 666 667 dmamap = txs->txs_dmamap; 668 669 /* 670 * Load the DMA map. If this fails, the packet either 671 * didn't fit in the alloted number of segments, or we were 672 * short on resources. In this case, we'll copy and try 673 * again. 674 * 675 * Note that if we're only allowed 1 Tx segment, we 676 * have an alignment restriction. Do this test before 677 * attempting to load the DMA map, because it's more 678 * likely we'll trip the alignment test than the 679 * more-than-one-segment test. 680 */ 681 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 682 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 683 BUS_DMA_NOWAIT) != 0) { 684 MGETHDR(m, M_DONTWAIT, MT_DATA); 685 if (m == NULL) { 686 printf("%s: unable to allocate Tx mbuf\n", 687 sc->sc_dev.dv_xname); 688 IF_PREPEND(&ifp->if_snd, m0); 689 break; 690 } 691 if (m0->m_pkthdr.len > MHLEN) { 692 MCLGET(m, M_DONTWAIT); 693 if ((m->m_flags & M_EXT) == 0) { 694 printf("%s: unable to allocate Tx " 695 "cluster\n", sc->sc_dev.dv_xname); 696 m_freem(m); 697 IF_PREPEND(&ifp->if_snd, m0); 698 break; 699 } 700 } 701 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 702 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 703 m_freem(m0); 704 m0 = m; 705 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 706 m0, BUS_DMA_NOWAIT); 707 if (error) { 708 printf("%s: unable to load Tx buffer, " 709 "error = %d\n", sc->sc_dev.dv_xname, error); 710 IF_PREPEND(&ifp->if_snd, m0); 711 break; 712 } 713 } 714 715 /* 716 * Ensure we have enough descriptors free to describe 717 * the packet. 718 */ 719 if (dmamap->dm_nsegs > sc->sc_txfree) { 720 /* 721 * Not enough free descriptors to transmit this 722 * packet. We haven't committed to anything yet, 723 * so just unload the DMA map, put the packet 724 * back on the queue, and punt. Notify the upper 725 * layer that there are no more slots left. 726 * 727 * XXX We could allocate an mbuf and copy, but 728 * XXX it is worth it? 729 */ 730 ifp->if_flags |= IFF_OACTIVE; 731 bus_dmamap_unload(sc->sc_dmat, dmamap); 732 IF_PREPEND(&ifp->if_snd, m0); 733 break; 734 } 735 736 /* 737 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 738 */ 739 740 /* Sync the DMA map. */ 741 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 742 BUS_DMASYNC_PREWRITE); 743 744 /* 745 * Initialize the transmit descriptors. 746 */ 747 for (nexttx = sc->sc_txnext, seg = 0; 748 seg < dmamap->dm_nsegs; 749 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 750 /* 751 * If this is the first descriptor we're 752 * enqueueing, don't set the OWN bit just 753 * yet. That could cause a race condition. 754 * We'll do it below. 755 */ 756 sc->sc_txdescs[nexttx].td_status = 757 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 758 sc->sc_txdescs[nexttx].td_bufaddr1 = 759 htole32(dmamap->dm_segs[seg].ds_addr); 760 sc->sc_txdescs[nexttx].td_ctl = 761 htole32((dmamap->dm_segs[seg].ds_len << 762 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 763 (nexttx == (TULIP_NTXDESC - 1) ? 764 sc->sc_tdctl_er : 0)); 765 lasttx = nexttx; 766 } 767 768 /* Set `first segment' and `last segment' appropriately. */ 769 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 770 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 771 772 #ifdef TLP_DEBUG 773 if (ifp->if_flags & IFF_DEBUG) { 774 printf(" txsoft %p trainsmit chain:\n", txs); 775 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 776 printf(" descriptor %d:\n", seg); 777 printf(" td_status: 0x%08x\n", 778 le32toh(sc->sc_txdescs[seg].td_status)); 779 printf(" td_ctl: 0x%08x\n", 780 le32toh(sc->sc_txdescs[seg].td_ctl)); 781 printf(" td_bufaddr1: 0x%08x\n", 782 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 783 printf(" td_bufaddr2: 0x%08x\n", 784 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 785 if (seg == lasttx) 786 break; 787 } 788 } 789 #endif 790 791 /* Sync the descriptors we're using. */ 792 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 793 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 794 795 /* 796 * Store a pointer to the packet so we can free it later, 797 * and remember what txdirty will be once the packet is 798 * done. 799 */ 800 txs->txs_mbuf = m0; 801 txs->txs_firstdesc = sc->sc_txnext; 802 txs->txs_lastdesc = lasttx; 803 txs->txs_ndescs = dmamap->dm_nsegs; 804 805 /* Advance the tx pointer. */ 806 sc->sc_txfree -= dmamap->dm_nsegs; 807 sc->sc_txnext = nexttx; 808 809 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 810 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 811 812 last_txs = txs; 813 814 #if NBPFILTER > 0 815 /* 816 * Pass the packet to any BPF listeners. 817 */ 818 if (ifp->if_bpf) 819 bpf_mtap(ifp->if_bpf, m0); 820 #endif /* NBPFILTER > 0 */ 821 } 822 823 if (txs == NULL || sc->sc_txfree == 0) { 824 /* No more slots left; notify upper layer. */ 825 ifp->if_flags |= IFF_OACTIVE; 826 } 827 828 if (sc->sc_txfree != ofree) { 829 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 830 sc->sc_dev.dv_xname, lasttx, firsttx)); 831 /* 832 * Cause a transmit interrupt to happen on the 833 * last packet we enqueued. 834 */ 835 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 836 TULIP_CDTXSYNC(sc, lasttx, 1, 837 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 838 839 /* 840 * Some clone chips want IC on the *first* segment in 841 * the packet. Appease them. 842 */ 843 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 844 last_txs->txs_firstdesc != lasttx) { 845 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 846 htole32(TDCTL_Tx_IC); 847 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 848 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 849 } 850 851 /* 852 * The entire packet chain is set up. Give the 853 * first descriptor to the chip now. 854 */ 855 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 856 TULIP_CDTXSYNC(sc, firsttx, 1, 857 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 858 859 /* Wake up the transmitter. */ 860 /* XXX USE AUTOPOLLING? */ 861 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 862 863 /* Set a watchdog timer in case the chip flakes out. */ 864 ifp->if_timer = 5; 865 } 866 } 867 868 /* 869 * tlp_watchdog: [ifnet interface function] 870 * 871 * Watchdog timer handler. 872 */ 873 void 874 tlp_watchdog(ifp) 875 struct ifnet *ifp; 876 { 877 struct tulip_softc *sc = ifp->if_softc; 878 int doing_setup, doing_transmit; 879 880 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 881 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 882 883 if (doing_setup && doing_transmit) { 884 printf("%s: filter setup and transmit timeout\n", 885 sc->sc_dev.dv_xname); 886 ifp->if_oerrors++; 887 } else if (doing_transmit) { 888 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 889 ifp->if_oerrors++; 890 } else if (doing_setup) 891 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 892 else 893 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 894 895 (void) tlp_init(sc); 896 897 /* Try to get more packets going. */ 898 tlp_start(ifp); 899 } 900 901 /* 902 * tlp_ioctl: [ifnet interface function] 903 * 904 * Handle control requests from the operator. 905 */ 906 int 907 tlp_ioctl(ifp, cmd, data) 908 struct ifnet *ifp; 909 u_long cmd; 910 caddr_t data; 911 { 912 struct tulip_softc *sc = ifp->if_softc; 913 struct ifreq *ifr = (struct ifreq *)data; 914 struct ifaddr *ifa = (struct ifaddr *)data; 915 int s, error = 0; 916 917 s = splnet(); 918 919 switch (cmd) { 920 case SIOCSIFADDR: 921 if ((error = tlp_enable(sc)) != 0) 922 break; 923 ifp->if_flags |= IFF_UP; 924 925 switch (ifa->ifa_addr->sa_family) { 926 #ifdef INET 927 case AF_INET: 928 if ((error = tlp_init(sc)) != 0) 929 break; 930 arp_ifinit(ifp, ifa); 931 break; 932 #endif /* INET */ 933 #ifdef NS 934 case AF_NS: 935 { 936 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 937 938 if (ns_nullhost(*ina)) 939 ina->x_host = *(union ns_host *) 940 LLADDR(ifp->if_sadl); 941 else 942 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 943 ifp->if_addrlen); 944 /* Set new address. */ 945 error = tlp_init(sc); 946 break; 947 } 948 #endif /* NS */ 949 default: 950 error = tlp_init(sc); 951 break; 952 } 953 break; 954 955 case SIOCSIFMTU: 956 if (ifr->ifr_mtu > ETHERMTU) 957 error = EINVAL; 958 else 959 ifp->if_mtu = ifr->ifr_mtu; 960 break; 961 962 case SIOCSIFFLAGS: 963 #ifdef TLP_STATS 964 if (ifp->if_flags & IFF_DEBUG) 965 tlp_print_stats(sc); 966 #endif 967 if ((ifp->if_flags & IFF_UP) == 0 && 968 (ifp->if_flags & IFF_RUNNING) != 0) { 969 /* 970 * If interface is marked down and it is running, then 971 * stop it. 972 */ 973 tlp_stop(sc, 1); 974 tlp_disable(sc); 975 } else if ((ifp->if_flags & IFF_UP) != 0 && 976 (ifp->if_flags & IFF_RUNNING) == 0) { 977 /* 978 * If interfase it marked up and it is stopped, then 979 * start it. 980 */ 981 if ((error = tlp_enable(sc)) != 0) 982 break; 983 error = tlp_init(sc); 984 } else if ((ifp->if_flags & IFF_UP) != 0) { 985 /* 986 * Reset the interface to pick up changes in any other 987 * flags that affect the hardware state. 988 */ 989 if ((error = tlp_enable(sc)) != 0) 990 break; 991 error = tlp_init(sc); 992 } 993 break; 994 995 case SIOCADDMULTI: 996 case SIOCDELMULTI: 997 error = (cmd == SIOCADDMULTI) ? 998 ether_addmulti(ifr, &sc->sc_ethercom) : 999 ether_delmulti(ifr, &sc->sc_ethercom); 1000 1001 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1002 /* 1003 * Multicast list has changed. Set the filter 1004 * accordingly. 1005 */ 1006 (*sc->sc_filter_setup)(sc); 1007 error = 0; 1008 } 1009 break; 1010 1011 case SIOCSIFMEDIA: 1012 case SIOCGIFMEDIA: 1013 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1014 break; 1015 1016 default: 1017 error = EINVAL; 1018 break; 1019 } 1020 1021 /* Try to get more packets going. */ 1022 if (TULIP_IS_ENABLED(sc)) 1023 tlp_start(ifp); 1024 1025 splx(s); 1026 return (error); 1027 } 1028 1029 /* 1030 * tlp_intr: 1031 * 1032 * Interrupt service routine. 1033 */ 1034 int 1035 tlp_intr(arg) 1036 void *arg; 1037 { 1038 struct tulip_softc *sc = arg; 1039 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1040 u_int32_t status, rxstatus, txstatus; 1041 int handled = 0, txthresh; 1042 1043 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1044 1045 #ifdef DEBUG 1046 if (TULIP_IS_ENABLED(sc) == 0) 1047 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1048 #endif 1049 1050 /* 1051 * If the interface isn't running, the interrupt couldn't 1052 * possibly have come from us. 1053 */ 1054 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1055 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1056 return (0); 1057 1058 for (;;) { 1059 status = TULIP_READ(sc, CSR_STATUS); 1060 if (status) 1061 TULIP_WRITE(sc, CSR_STATUS, status); 1062 1063 if ((status & sc->sc_inten) == 0) 1064 break; 1065 1066 handled = 1; 1067 1068 rxstatus = status & sc->sc_rxint_mask; 1069 txstatus = status & sc->sc_txint_mask; 1070 1071 if (rxstatus) { 1072 /* Grab new any new packets. */ 1073 tlp_rxintr(sc); 1074 1075 if (rxstatus & STATUS_RWT) 1076 printf("%s: receive watchdog timeout\n", 1077 sc->sc_dev.dv_xname); 1078 1079 if (rxstatus & STATUS_RU) { 1080 printf("%s: receive ring overrun\n", 1081 sc->sc_dev.dv_xname); 1082 /* Get the receive process going again. */ 1083 tlp_idle(sc, OPMODE_SR); 1084 TULIP_WRITE(sc, CSR_RXLIST, 1085 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1086 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 1087 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1088 break; 1089 } 1090 } 1091 1092 if (txstatus) { 1093 /* Sweep up transmit descriptors. */ 1094 tlp_txintr(sc); 1095 1096 if (txstatus & STATUS_TJT) 1097 printf("%s: transmit jabber timeout\n", 1098 sc->sc_dev.dv_xname); 1099 1100 if (txstatus & STATUS_UNF) { 1101 /* 1102 * Increase our transmit threshold if 1103 * another is available. 1104 */ 1105 txthresh = sc->sc_txthresh + 1; 1106 if (sc->sc_txth[txthresh].txth_name != NULL) { 1107 /* Idle the transmit process. */ 1108 tlp_idle(sc, OPMODE_ST); 1109 1110 sc->sc_txthresh = txthresh; 1111 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1112 sc->sc_opmode |= 1113 sc->sc_txth[txthresh].txth_opmode; 1114 printf("%s: transmit underrun; new " 1115 "threshold: %s\n", 1116 sc->sc_dev.dv_xname, 1117 sc->sc_txth[txthresh].txth_name); 1118 1119 /* 1120 * Set the new threshold and restart 1121 * the transmit process. 1122 */ 1123 TULIP_WRITE(sc, CSR_OPMODE, 1124 sc->sc_opmode); 1125 } 1126 /* 1127 * XXX Log every Nth underrun from 1128 * XXX now on? 1129 */ 1130 } 1131 } 1132 1133 if (status & (STATUS_TPS|STATUS_RPS)) { 1134 if (status & STATUS_TPS) 1135 printf("%s: transmit process stopped\n", 1136 sc->sc_dev.dv_xname); 1137 if (status & STATUS_RPS) 1138 printf("%s: receive process stopped\n", 1139 sc->sc_dev.dv_xname); 1140 (void) tlp_init(sc); 1141 break; 1142 } 1143 1144 if (status & STATUS_SE) { 1145 const char *str; 1146 switch (status & STATUS_EB) { 1147 case STATUS_EB_PARITY: 1148 str = "parity error"; 1149 break; 1150 1151 case STATUS_EB_MABT: 1152 str = "master abort"; 1153 break; 1154 1155 case STATUS_EB_TABT: 1156 str = "target abort"; 1157 break; 1158 1159 default: 1160 str = "unknown error"; 1161 break; 1162 } 1163 printf("%s: fatal system error: %s\n", 1164 sc->sc_dev.dv_xname, str); 1165 (void) tlp_init(sc); 1166 break; 1167 } 1168 1169 /* 1170 * Not handled: 1171 * 1172 * Transmit buffer unavailable -- normal 1173 * condition, nothing to do, really. 1174 * 1175 * General purpose timer experied -- we don't 1176 * use the general purpose timer. 1177 * 1178 * Early receive interrupt -- not available on 1179 * all chips, we just use RI. We also only 1180 * use single-segment receive DMA, so this 1181 * is mostly useless. 1182 */ 1183 } 1184 1185 /* Try to get more packets going. */ 1186 tlp_start(ifp); 1187 1188 return (handled); 1189 } 1190 1191 /* 1192 * tlp_rxintr: 1193 * 1194 * Helper; handle receive interrupts. 1195 */ 1196 void 1197 tlp_rxintr(sc) 1198 struct tulip_softc *sc; 1199 { 1200 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1201 struct ether_header *eh; 1202 struct tulip_rxsoft *rxs; 1203 struct mbuf *m; 1204 u_int32_t rxstat; 1205 int i, len; 1206 1207 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1208 rxs = &sc->sc_rxsoft[i]; 1209 1210 TULIP_CDRXSYNC(sc, i, 1211 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1212 1213 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1214 1215 if (rxstat & TDSTAT_OWN) { 1216 /* 1217 * We have processed all of the receive buffers. 1218 */ 1219 break; 1220 } 1221 1222 /* 1223 * Make sure the packet fit in one buffer. This should 1224 * always be the case. But the Lite-On PNIC, rev 33 1225 * has an awful receive engine bug, which may require 1226 * a very icky work-around. 1227 */ 1228 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1229 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1230 printf("%s: incoming packet spilled, resetting\n", 1231 sc->sc_dev.dv_xname); 1232 (void) tlp_init(sc); 1233 return; 1234 } 1235 1236 /* 1237 * If any collisions were seen on the wire, count one. 1238 */ 1239 if (rxstat & TDSTAT_Rx_CS) 1240 ifp->if_collisions++; 1241 1242 /* 1243 * If an error occured, update stats, clear the status 1244 * word, and leave the packet buffer in place. It will 1245 * simply be reused the next time the ring comes around. 1246 */ 1247 if (rxstat & TDSTAT_ES) { 1248 #define PRINTERR(bit, str) \ 1249 if (rxstat & (bit)) \ 1250 printf("%s: receive error: %s\n", \ 1251 sc->sc_dev.dv_xname, str) 1252 ifp->if_ierrors++; 1253 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1254 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1255 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1256 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1257 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1258 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1259 #undef PRINTERR 1260 TULIP_INIT_RXDESC(sc, i); 1261 continue; 1262 } 1263 1264 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1265 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1266 1267 /* 1268 * No errors; receive the packet. Note the Tulip 1269 * includes the CRC with every packet; trim it. 1270 */ 1271 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1272 1273 #ifdef __NO_STRICT_ALIGNMENT 1274 /* 1275 * Allocate a new mbuf cluster. If that fails, we are 1276 * out of memory, and must drop the packet and recycle 1277 * the buffer that's already attached to this descriptor. 1278 */ 1279 m = rxs->rxs_mbuf; 1280 if (tlp_add_rxbuf(sc, i) != 0) { 1281 ifp->if_ierrors++; 1282 TULIP_INIT_RXDESC(sc, i); 1283 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1284 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1285 continue; 1286 } 1287 #else 1288 /* 1289 * The Tulip's receive buffers must be 4-byte aligned. 1290 * But this means that the data after the Ethernet header 1291 * is misaligned. We must allocate a new buffer and 1292 * copy the data, shifted forward 2 bytes. 1293 */ 1294 MGETHDR(m, M_DONTWAIT, MT_DATA); 1295 if (m == NULL) { 1296 dropit: 1297 ifp->if_ierrors++; 1298 TULIP_INIT_RXDESC(sc, i); 1299 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1300 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1301 continue; 1302 } 1303 if (len > (MHLEN - 2)) { 1304 MCLGET(m, M_DONTWAIT); 1305 if ((m->m_flags & M_EXT) == 0) { 1306 m_freem(m); 1307 goto dropit; 1308 } 1309 } 1310 m->m_data += 2; 1311 1312 /* 1313 * Note that we use clusters for incoming frames, so the 1314 * buffer is virtually contiguous. 1315 */ 1316 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1317 1318 /* Allow the receive descriptor to continue using its mbuf. */ 1319 TULIP_INIT_RXDESC(sc, i); 1320 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1321 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1322 #endif /* __NO_STRICT_ALIGNMENT */ 1323 1324 ifp->if_ipackets++; 1325 eh = mtod(m, struct ether_header *); 1326 m->m_pkthdr.rcvif = ifp; 1327 m->m_pkthdr.len = m->m_len = len; 1328 1329 #if NBPFILTER > 0 1330 /* 1331 * Pass this up to any BPF listeners, but only 1332 * pass it up the stack if its for us. 1333 */ 1334 if (ifp->if_bpf) 1335 bpf_mtap(ifp->if_bpf, m); 1336 #endif /* NPBFILTER > 0 */ 1337 1338 /* 1339 * This test is outside the NBPFILTER block because 1340 * on the 21140 we have to use Hash-Only mode due to 1341 * a bug in the filter logic. 1342 */ 1343 if ((ifp->if_flags & IFF_PROMISC) != 0 || 1344 sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 1345 if (memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1346 ETHER_ADDR_LEN) != 0 && 1347 ETHER_IS_MULTICAST(eh->ether_dhost) == 0) { 1348 m_freem(m); 1349 continue; 1350 } 1351 } 1352 1353 /* Pass it on. */ 1354 (*ifp->if_input)(ifp, m); 1355 } 1356 1357 /* Update the recieve pointer. */ 1358 sc->sc_rxptr = i; 1359 } 1360 1361 /* 1362 * tlp_txintr: 1363 * 1364 * Helper; handle transmit interrupts. 1365 */ 1366 void 1367 tlp_txintr(sc) 1368 struct tulip_softc *sc; 1369 { 1370 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1371 struct tulip_txsoft *txs; 1372 u_int32_t txstat; 1373 1374 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1375 sc->sc_dev.dv_xname, sc->sc_flags)); 1376 1377 ifp->if_flags &= ~IFF_OACTIVE; 1378 1379 /* 1380 * Go through our Tx list and free mbufs for those 1381 * frames that have been transmitted. 1382 */ 1383 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1384 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1385 txs->txs_ndescs, 1386 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1387 1388 #ifdef TLP_DEBUG 1389 if (ifp->if_flags & IFF_DEBUG) { 1390 int i; 1391 printf(" txsoft %p trainsmit chain:\n", txs); 1392 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1393 printf(" descriptor %d:\n", i); 1394 printf(" td_status: 0x%08x\n", 1395 le32toh(sc->sc_txdescs[i].td_status)); 1396 printf(" td_ctl: 0x%08x\n", 1397 le32toh(sc->sc_txdescs[i].td_ctl)); 1398 printf(" td_bufaddr1: 0x%08x\n", 1399 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1400 printf(" td_bufaddr2: 0x%08x\n", 1401 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1402 if (i == txs->txs_lastdesc) 1403 break; 1404 } 1405 } 1406 #endif 1407 1408 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1409 if (txstat & TDSTAT_OWN) 1410 break; 1411 1412 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1413 1414 sc->sc_txfree += txs->txs_ndescs; 1415 1416 if (txs->txs_mbuf == NULL) { 1417 /* 1418 * If we didn't have an mbuf, it was the setup 1419 * packet. 1420 */ 1421 #ifdef DIAGNOSTIC 1422 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1423 panic("tlp_txintr: null mbuf, not doing setup"); 1424 #endif 1425 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1426 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1427 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1428 continue; 1429 } 1430 1431 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1432 0, txs->txs_dmamap->dm_mapsize, 1433 BUS_DMASYNC_POSTWRITE); 1434 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1435 m_freem(txs->txs_mbuf); 1436 txs->txs_mbuf = NULL; 1437 1438 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1439 1440 /* 1441 * Check for errors and collisions. 1442 */ 1443 #ifdef TLP_STATS 1444 if (txstat & TDSTAT_Tx_UF) 1445 sc->sc_stats.ts_tx_uf++; 1446 if (txstat & TDSTAT_Tx_TO) 1447 sc->sc_stats.ts_tx_to++; 1448 if (txstat & TDSTAT_Tx_EC) 1449 sc->sc_stats.ts_tx_ec++; 1450 if (txstat & TDSTAT_Tx_LC) 1451 sc->sc_stats.ts_tx_lc++; 1452 #endif 1453 1454 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1455 ifp->if_oerrors++; 1456 1457 if (txstat & TDSTAT_Tx_EC) 1458 ifp->if_collisions += 16; 1459 else 1460 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1461 if (txstat & TDSTAT_Tx_LC) 1462 ifp->if_collisions++; 1463 1464 ifp->if_opackets++; 1465 } 1466 1467 /* 1468 * If there are no more pending transmissions, cancel the watchdog 1469 * timer. 1470 */ 1471 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1472 ifp->if_timer = 0; 1473 1474 /* 1475 * If we have a receive filter setup pending, do it now. 1476 */ 1477 if (sc->sc_flags & TULIPF_WANT_SETUP) 1478 (*sc->sc_filter_setup)(sc); 1479 } 1480 1481 #ifdef TLP_STATS 1482 void 1483 tlp_print_stats(sc) 1484 struct tulip_softc *sc; 1485 { 1486 1487 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1488 sc->sc_dev.dv_xname, 1489 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1490 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1491 } 1492 #endif 1493 1494 /* 1495 * tlp_reset: 1496 * 1497 * Perform a soft reset on the Tulip. 1498 */ 1499 void 1500 tlp_reset(sc) 1501 struct tulip_softc *sc; 1502 { 1503 int i; 1504 1505 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1506 1507 /* 1508 * Xircom clone doesn't bring itself out of reset automatically. 1509 * Instead, we have to wait at least 50 PCI cycles, and then 1510 * clear SWR. 1511 */ 1512 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1513 delay(10); 1514 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1515 } 1516 1517 for (i = 0; i < 1000; i++) { 1518 /* 1519 * Wait at least 50 PCI cycles for the reset to 1520 * complete before peeking at the Tulip again. 1521 * 10 uSec is a bit longer than 50 PCI cycles 1522 * (at 33MHz), but it doesn't hurt have the extra 1523 * wait. 1524 */ 1525 delay(10); 1526 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1527 break; 1528 } 1529 1530 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1531 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1532 1533 delay(1000); 1534 1535 /* 1536 * If the board has any GPIO reset sequences to issue, do them now. 1537 */ 1538 if (sc->sc_reset != NULL) 1539 (*sc->sc_reset)(sc); 1540 } 1541 1542 /* 1543 * tlp_init: 1544 * 1545 * Initialize the interface. Must be called at splnet(). 1546 */ 1547 int 1548 tlp_init(sc) 1549 struct tulip_softc *sc; 1550 { 1551 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1552 struct tulip_txsoft *txs; 1553 struct tulip_rxsoft *rxs; 1554 int i, error = 0; 1555 1556 /* 1557 * Cancel any pending I/O. 1558 */ 1559 tlp_stop(sc, 0); 1560 1561 /* 1562 * Initialize `opmode' to 0, and call the pre-init routine, if 1563 * any. This is required because the 2114x and some of the 1564 * clones require that the media-related bits in `opmode' be 1565 * set before performing a soft-reset in order to get internal 1566 * chip pathways are correct. Yay! 1567 */ 1568 sc->sc_opmode = 0; 1569 if (sc->sc_preinit != NULL) 1570 (*sc->sc_preinit)(sc); 1571 1572 /* 1573 * Reset the Tulip to a known state. 1574 */ 1575 tlp_reset(sc); 1576 1577 /* 1578 * Initialize the BUSMODE register. 1579 */ 1580 sc->sc_busmode = BUSMODE_BAR; 1581 switch (sc->sc_chip) { 1582 case TULIP_CHIP_21140: 1583 case TULIP_CHIP_21140A: 1584 case TULIP_CHIP_21142: 1585 case TULIP_CHIP_21143: 1586 case TULIP_CHIP_82C115: 1587 case TULIP_CHIP_MX98725: 1588 /* 1589 * If we're allowed to do so, use Memory Read Line 1590 * and Memory Read Multiple. 1591 * 1592 * XXX Should we use Memory Write and Invalidate? 1593 */ 1594 if (sc->sc_flags & TULIPF_MRL) 1595 sc->sc_busmode |= BUSMODE_RLE; 1596 if (sc->sc_flags & TULIPF_MRM) 1597 sc->sc_busmode |= BUSMODE_RME; 1598 #if 0 1599 if (sc->sc_flags & TULIPF_MWI) 1600 sc->sc_busmode |= BUSMODE_WLE; 1601 #endif 1602 1603 default: 1604 /* Nothing. */ 1605 } 1606 switch (sc->sc_cacheline) { 1607 default: 1608 /* 1609 * Note: We must *always* set these bits; a cache 1610 * alignment of 0 is RESERVED. 1611 */ 1612 case 8: 1613 sc->sc_busmode |= BUSMODE_CAL_8LW; 1614 break; 1615 case 16: 1616 sc->sc_busmode |= BUSMODE_CAL_16LW; 1617 break; 1618 case 32: 1619 sc->sc_busmode |= BUSMODE_CAL_32LW; 1620 break; 1621 } 1622 switch (sc->sc_chip) { 1623 case TULIP_CHIP_82C168: 1624 case TULIP_CHIP_82C169: 1625 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1626 break; 1627 default: 1628 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1629 break; 1630 } 1631 #if BYTE_ORDER == BIG_ENDIAN 1632 /* 1633 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1634 * support them, and even on ones that do, it doesn't 1635 * always work. 1636 */ 1637 #endif 1638 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1639 1640 /* 1641 * Initialize the OPMODE register. We don't write it until 1642 * we're ready to begin the transmit and receive processes. 1643 * 1644 * Media-related OPMODE bits are set in the media callbacks 1645 * for each specific chip/board. 1646 */ 1647 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1648 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1649 1650 /* 1651 * Magical mystery initialization on the Macronix chips. 1652 * The MX98713 uses its own magic value, the rest share 1653 * a common one. 1654 */ 1655 switch (sc->sc_chip) { 1656 case TULIP_CHIP_MX98713: 1657 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1658 break; 1659 1660 case TULIP_CHIP_MX98713A: 1661 case TULIP_CHIP_MX98715: 1662 case TULIP_CHIP_MX98715A: 1663 case TULIP_CHIP_MX98725: 1664 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1665 break; 1666 1667 default: 1668 /* Nothing. */ 1669 } 1670 1671 /* 1672 * Initialize the transmit descriptor ring. 1673 */ 1674 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1675 for (i = 0; i < TULIP_NTXDESC; i++) { 1676 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1677 sc->sc_txdescs[i].td_bufaddr2 = 1678 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1679 } 1680 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1681 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1682 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1683 sc->sc_txfree = TULIP_NTXDESC; 1684 sc->sc_txnext = 0; 1685 1686 /* 1687 * Initialize the transmit job descriptors. 1688 */ 1689 SIMPLEQ_INIT(&sc->sc_txfreeq); 1690 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1691 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1692 txs = &sc->sc_txsoft[i]; 1693 txs->txs_mbuf = NULL; 1694 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1695 } 1696 1697 /* 1698 * Initialize the receive descriptor and receive job 1699 * descriptor rings. 1700 */ 1701 for (i = 0; i < TULIP_NRXDESC; i++) { 1702 rxs = &sc->sc_rxsoft[i]; 1703 if (rxs->rxs_mbuf == NULL) { 1704 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1705 printf("%s: unable to allocate or map rx " 1706 "buffer %d, error = %d\n", 1707 sc->sc_dev.dv_xname, i, error); 1708 /* 1709 * XXX Should attempt to run with fewer receive 1710 * XXX buffers instead of just failing. 1711 */ 1712 tlp_rxdrain(sc); 1713 goto out; 1714 } 1715 } 1716 } 1717 sc->sc_rxptr = 0; 1718 1719 /* 1720 * Initialize the interrupt mask and enable interrupts. 1721 */ 1722 /* normal interrupts */ 1723 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1724 1725 /* abnormal interrupts */ 1726 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1727 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1728 1729 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1730 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1731 1732 switch (sc->sc_chip) { 1733 case TULIP_CHIP_WB89C840F: 1734 /* 1735 * Clear bits that we don't want that happen to 1736 * overlap or don't exist. 1737 */ 1738 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1739 break; 1740 1741 default: 1742 /* Nothing. */ 1743 } 1744 1745 sc->sc_rxint_mask &= sc->sc_inten; 1746 sc->sc_txint_mask &= sc->sc_inten; 1747 1748 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1749 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1750 1751 /* 1752 * Give the transmit and receive rings to the Tulip. 1753 */ 1754 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1755 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1756 1757 /* 1758 * On chips that do this differently, set the station address. 1759 */ 1760 switch (sc->sc_chip) { 1761 case TULIP_CHIP_WB89C840F: 1762 { 1763 /* XXX Do this with stream writes? */ 1764 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1765 1766 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1767 bus_space_write_1(sc->sc_st, sc->sc_sh, 1768 cpa + i, LLADDR(ifp->if_sadl)[i]); 1769 } 1770 break; 1771 } 1772 1773 case TULIP_CHIP_AL981: 1774 { 1775 u_int32_t reg; 1776 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1777 1778 reg = enaddr[0] | 1779 (enaddr[1] << 8) | 1780 (enaddr[2] << 16) | 1781 (enaddr[3] << 24); 1782 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1783 1784 reg = enaddr[4] | 1785 (enaddr[5] << 8); 1786 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1787 } 1788 1789 default: 1790 /* Nothing. */ 1791 } 1792 1793 /* 1794 * Set the receive filter. This will start the transmit and 1795 * receive processes. 1796 */ 1797 (*sc->sc_filter_setup)(sc); 1798 1799 /* 1800 * Set the current media. 1801 */ 1802 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1803 1804 /* 1805 * Start the receive process. 1806 */ 1807 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1808 1809 if (sc->sc_tick != NULL) { 1810 /* Start the one second clock. */ 1811 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1812 } 1813 1814 /* 1815 * Note that the interface is now running. 1816 */ 1817 ifp->if_flags |= IFF_RUNNING; 1818 ifp->if_flags &= ~IFF_OACTIVE; 1819 1820 out: 1821 if (error) 1822 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1823 return (error); 1824 } 1825 1826 /* 1827 * tlp_enable: 1828 * 1829 * Enable the Tulip chip. 1830 */ 1831 int 1832 tlp_enable(sc) 1833 struct tulip_softc *sc; 1834 { 1835 1836 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1837 if ((*sc->sc_enable)(sc) != 0) { 1838 printf("%s: device enable failed\n", 1839 sc->sc_dev.dv_xname); 1840 return (EIO); 1841 } 1842 sc->sc_flags |= TULIPF_ENABLED; 1843 } 1844 return (0); 1845 } 1846 1847 /* 1848 * tlp_disable: 1849 * 1850 * Disable the Tulip chip. 1851 */ 1852 void 1853 tlp_disable(sc) 1854 struct tulip_softc *sc; 1855 { 1856 1857 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1858 (*sc->sc_disable)(sc); 1859 sc->sc_flags &= ~TULIPF_ENABLED; 1860 } 1861 } 1862 1863 /* 1864 * tlp_power: 1865 * 1866 * Power management (suspend/resume) hook. 1867 */ 1868 void 1869 tlp_power(why, arg) 1870 int why; 1871 void *arg; 1872 { 1873 struct tulip_softc *sc = arg; 1874 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1875 int s; 1876 1877 s = splnet(); 1878 if (why != PWR_RESUME) { 1879 tlp_stop(sc, 0); 1880 if (sc->sc_power != NULL) 1881 (*sc->sc_power)(sc, why); 1882 } else if (ifp->if_flags & IFF_UP) { 1883 if (sc->sc_power != NULL) 1884 (*sc->sc_power)(sc, why); 1885 tlp_init(sc); 1886 } 1887 splx(s); 1888 } 1889 1890 /* 1891 * tlp_rxdrain: 1892 * 1893 * Drain the receive queue. 1894 */ 1895 void 1896 tlp_rxdrain(sc) 1897 struct tulip_softc *sc; 1898 { 1899 struct tulip_rxsoft *rxs; 1900 int i; 1901 1902 for (i = 0; i < TULIP_NRXDESC; i++) { 1903 rxs = &sc->sc_rxsoft[i]; 1904 if (rxs->rxs_mbuf != NULL) { 1905 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1906 m_freem(rxs->rxs_mbuf); 1907 rxs->rxs_mbuf = NULL; 1908 } 1909 } 1910 } 1911 1912 /* 1913 * tlp_stop: 1914 * 1915 * Stop transmission on the interface. 1916 */ 1917 void 1918 tlp_stop(sc, drain) 1919 struct tulip_softc *sc; 1920 int drain; 1921 { 1922 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1923 struct tulip_txsoft *txs; 1924 1925 if (sc->sc_tick != NULL) { 1926 /* Stop the one second clock. */ 1927 callout_stop(&sc->sc_tick_callout); 1928 } 1929 1930 if (sc->sc_flags & TULIPF_HAS_MII) { 1931 /* Down the MII. */ 1932 mii_down(&sc->sc_mii); 1933 } 1934 1935 /* Disable interrupts. */ 1936 TULIP_WRITE(sc, CSR_INTEN, 0); 1937 1938 /* Stop the transmit and receive processes. */ 1939 TULIP_WRITE(sc, CSR_OPMODE, 0); 1940 TULIP_WRITE(sc, CSR_RXLIST, 0); 1941 TULIP_WRITE(sc, CSR_TXLIST, 0); 1942 1943 /* 1944 * Release any queued transmit buffers. 1945 */ 1946 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1947 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1948 if (txs->txs_mbuf != NULL) { 1949 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1950 m_freem(txs->txs_mbuf); 1951 txs->txs_mbuf = NULL; 1952 } 1953 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1954 } 1955 1956 if (drain) { 1957 /* 1958 * Release the receive buffers. 1959 */ 1960 tlp_rxdrain(sc); 1961 } 1962 1963 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 1964 1965 /* 1966 * Mark the interface down and cancel the watchdog timer. 1967 */ 1968 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1969 ifp->if_timer = 0; 1970 } 1971 1972 #define SROM_EMIT(sc, x) \ 1973 do { \ 1974 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 1975 delay(2); \ 1976 } while (0) 1977 1978 /* 1979 * tlp_srom_idle: 1980 * 1981 * Put the SROM in idle state. 1982 */ 1983 void 1984 tlp_srom_idle(sc) 1985 struct tulip_softc *sc; 1986 { 1987 u_int32_t miirom; 1988 int i; 1989 1990 miirom = MIIROM_SR; 1991 SROM_EMIT(sc, miirom); 1992 1993 miirom |= MIIROM_RD; 1994 SROM_EMIT(sc, miirom); 1995 1996 miirom |= MIIROM_SROMCS; 1997 SROM_EMIT(sc, miirom); 1998 1999 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2000 2001 /* Strobe the clock 32 times. */ 2002 for (i = 0; i < 32; i++) { 2003 SROM_EMIT(sc, miirom); 2004 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2005 } 2006 2007 SROM_EMIT(sc, miirom); 2008 2009 miirom &= ~MIIROM_SROMCS; 2010 SROM_EMIT(sc, miirom); 2011 2012 SROM_EMIT(sc, 0); 2013 } 2014 2015 /* 2016 * tlp_srom_size: 2017 * 2018 * Determine the number of address bits in the SROM. 2019 */ 2020 int 2021 tlp_srom_size(sc) 2022 struct tulip_softc *sc; 2023 { 2024 u_int32_t miirom; 2025 int x; 2026 2027 /* Select the SROM. */ 2028 miirom = MIIROM_SR; 2029 SROM_EMIT(sc, miirom); 2030 2031 miirom |= MIIROM_RD; 2032 SROM_EMIT(sc, miirom); 2033 2034 /* Send CHIP SELECT for one clock tick. */ 2035 miirom |= MIIROM_SROMCS; 2036 SROM_EMIT(sc, miirom); 2037 2038 /* Shift in the READ opcode. */ 2039 for (x = 3; x > 0; x--) { 2040 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2041 miirom |= MIIROM_SROMDI; 2042 else 2043 miirom &= ~MIIROM_SROMDI; 2044 SROM_EMIT(sc, miirom); 2045 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2046 SROM_EMIT(sc, miirom); 2047 } 2048 2049 /* Shift in address and look for dummy 0 bit. */ 2050 for (x = 1; x <= 12; x++) { 2051 miirom &= ~MIIROM_SROMDI; 2052 SROM_EMIT(sc, miirom); 2053 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2054 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2055 break; 2056 SROM_EMIT(sc, miirom); 2057 } 2058 2059 /* Clear CHIP SELECT. */ 2060 miirom &= ~MIIROM_SROMCS; 2061 SROM_EMIT(sc, miirom); 2062 2063 /* Deselect the SROM. */ 2064 SROM_EMIT(sc, 0); 2065 2066 if (x < 4 || x > 12) { 2067 printf("%s: broken MicroWire interface detected; setting SROM size to 1Kb\n", 2068 sc->sc_dev.dv_xname); 2069 return (6); 2070 } else { 2071 #if 0 2072 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2073 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2074 #endif 2075 return (x); 2076 } 2077 } 2078 2079 /* 2080 * tlp_read_srom: 2081 * 2082 * Read the Tulip SROM. 2083 */ 2084 int 2085 tlp_read_srom(sc) 2086 struct tulip_softc *sc; 2087 { 2088 int size; 2089 u_int32_t miirom; 2090 u_int16_t datain; 2091 int i, x; 2092 2093 tlp_srom_idle(sc); 2094 2095 sc->sc_srom_addrbits = tlp_srom_size(sc); 2096 if (sc->sc_srom_addrbits == 0) 2097 return (0); 2098 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2099 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2100 2101 /* Select the SROM. */ 2102 miirom = MIIROM_SR; 2103 SROM_EMIT(sc, miirom); 2104 2105 miirom |= MIIROM_RD; 2106 SROM_EMIT(sc, miirom); 2107 2108 for (i = 0; i < size; i += 2) { 2109 /* Send CHIP SELECT for one clock tick. */ 2110 miirom |= MIIROM_SROMCS; 2111 SROM_EMIT(sc, miirom); 2112 2113 /* Shift in the READ opcode. */ 2114 for (x = 3; x > 0; x--) { 2115 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2116 miirom |= MIIROM_SROMDI; 2117 else 2118 miirom &= ~MIIROM_SROMDI; 2119 SROM_EMIT(sc, miirom); 2120 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2121 SROM_EMIT(sc, miirom); 2122 } 2123 2124 /* Shift in address. */ 2125 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2126 if (i & (1 << x)) 2127 miirom |= MIIROM_SROMDI; 2128 else 2129 miirom &= ~MIIROM_SROMDI; 2130 SROM_EMIT(sc, miirom); 2131 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2132 SROM_EMIT(sc, miirom); 2133 } 2134 2135 /* Shift out data. */ 2136 miirom &= ~MIIROM_SROMDI; 2137 datain = 0; 2138 for (x = 16; x > 0; x--) { 2139 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2140 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2141 datain |= (1 << (x - 1)); 2142 SROM_EMIT(sc, miirom); 2143 } 2144 sc->sc_srom[i] = datain & 0xff; 2145 sc->sc_srom[i + 1] = datain >> 8; 2146 2147 /* Clear CHIP SELECT. */ 2148 miirom &= ~MIIROM_SROMCS; 2149 SROM_EMIT(sc, miirom); 2150 } 2151 2152 /* Deselect the SROM. */ 2153 SROM_EMIT(sc, 0); 2154 2155 /* ...and idle it. */ 2156 tlp_srom_idle(sc); 2157 2158 #if 0 2159 printf("SROM CONTENTS:"); 2160 for (i = 0; i < size; i++) { 2161 if ((i % 8) == 0) 2162 printf("\n\t"); 2163 printf("0x%02x ", sc->sc_srom[i]); 2164 } 2165 printf("\n"); 2166 #endif 2167 2168 return (1); 2169 } 2170 2171 #undef SROM_EMIT 2172 2173 /* 2174 * tlp_add_rxbuf: 2175 * 2176 * Add a receive buffer to the indicated descriptor. 2177 */ 2178 int 2179 tlp_add_rxbuf(sc, idx) 2180 struct tulip_softc *sc; 2181 int idx; 2182 { 2183 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2184 struct mbuf *m; 2185 int error; 2186 2187 MGETHDR(m, M_DONTWAIT, MT_DATA); 2188 if (m == NULL) 2189 return (ENOBUFS); 2190 2191 MCLGET(m, M_DONTWAIT); 2192 if ((m->m_flags & M_EXT) == 0) { 2193 m_freem(m); 2194 return (ENOBUFS); 2195 } 2196 2197 if (rxs->rxs_mbuf != NULL) 2198 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2199 2200 rxs->rxs_mbuf = m; 2201 2202 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2203 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2204 if (error) { 2205 printf("%s: can't load rx DMA map %d, error = %d\n", 2206 sc->sc_dev.dv_xname, idx, error); 2207 panic("tlp_add_rxbuf"); /* XXX */ 2208 } 2209 2210 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2211 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2212 2213 TULIP_INIT_RXDESC(sc, idx); 2214 2215 return (0); 2216 } 2217 2218 /* 2219 * tlp_crc32: 2220 * 2221 * Compute the 32-bit CRC of the provided buffer. 2222 */ 2223 u_int32_t 2224 tlp_crc32(buf, len) 2225 const u_int8_t *buf; 2226 size_t len; 2227 { 2228 static const u_int32_t crctab[] = { 2229 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2230 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2231 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2232 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2233 }; 2234 u_int32_t crc; 2235 int i; 2236 2237 crc = 0xffffffff; 2238 for (i = 0; i < len; i++) { 2239 crc ^= buf[i]; 2240 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2241 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2242 } 2243 return (crc); 2244 } 2245 2246 /* 2247 * tlp_srom_crcok: 2248 * 2249 * Check the CRC of the Tulip SROM. 2250 */ 2251 int 2252 tlp_srom_crcok(romdata) 2253 const u_int8_t *romdata; 2254 { 2255 u_int32_t crc; 2256 2257 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM); 2258 crc = (crc & 0xffff) ^ 0xffff; 2259 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2260 return (1); 2261 2262 /* 2263 * Try an alternate checksum. 2264 */ 2265 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2266 crc = (crc & 0xffff) ^ 0xffff; 2267 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2268 return (1); 2269 2270 return (0); 2271 } 2272 2273 /* 2274 * tlp_isv_srom: 2275 * 2276 * Check to see if the SROM is in the new standardized format. 2277 */ 2278 int 2279 tlp_isv_srom(romdata) 2280 const u_int8_t *romdata; 2281 { 2282 int i; 2283 u_int16_t cksum; 2284 2285 if (tlp_srom_crcok(romdata)) { 2286 /* 2287 * SROM CRC checks out; must be in the new format. 2288 */ 2289 return (1); 2290 } 2291 2292 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2293 if (cksum == 0xffff || cksum == 0) { 2294 /* 2295 * No checksum present. Check the SROM ID; 18 bytes of 0 2296 * followed by 1 (version) followed by the number of 2297 * adapters which use this SROM (should be non-zero). 2298 */ 2299 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2300 if (romdata[i] != 0) 2301 return (0); 2302 } 2303 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2304 return (0); 2305 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2306 return (0); 2307 return (1); 2308 } 2309 2310 return (0); 2311 } 2312 2313 /* 2314 * tlp_isv_srom_enaddr: 2315 * 2316 * Get the Ethernet address from an ISV SROM. 2317 */ 2318 int 2319 tlp_isv_srom_enaddr(sc, enaddr) 2320 struct tulip_softc *sc; 2321 u_int8_t *enaddr; 2322 { 2323 int i, devcnt; 2324 2325 if (tlp_isv_srom(sc->sc_srom) == 0) 2326 return (0); 2327 2328 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2329 for (i = 0; i < devcnt; i++) { 2330 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2331 break; 2332 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2333 sc->sc_devno) 2334 break; 2335 } 2336 2337 if (i == devcnt) 2338 return (0); 2339 2340 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2341 ETHER_ADDR_LEN); 2342 enaddr[5] += i; 2343 2344 return (1); 2345 } 2346 2347 /* 2348 * tlp_parse_old_srom: 2349 * 2350 * Parse old-format SROMs. 2351 * 2352 * This routine is largely lifted from Matt Thomas's `de' driver. 2353 */ 2354 int 2355 tlp_parse_old_srom(sc, enaddr) 2356 struct tulip_softc *sc; 2357 u_int8_t *enaddr; 2358 { 2359 static const u_int8_t testpat[] = 2360 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2361 int i; 2362 u_int32_t cksum; 2363 2364 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2365 /* 2366 * Some vendors (e.g. ZNYX) don't use the standard 2367 * DEC Address ROM format, but rather just have an 2368 * Ethernet address in the first 6 bytes, maybe a 2369 * 2 byte checksum, and then all 0xff's. 2370 * 2371 * On the other hand, Cobalt Networks interfaces 2372 * simply have the address in the first six bytes 2373 * with the rest zeroed out. 2374 */ 2375 for (i = 8; i < 32; i++) { 2376 if (sc->sc_srom[i] != 0xff && 2377 sc->sc_srom[i] != 0) 2378 return (0); 2379 } 2380 2381 /* 2382 * Sanity check the Ethernet address: 2383 * 2384 * - Make sure it's not multicast or locally 2385 * assigned 2386 * - Make sure it has a non-0 OUI 2387 */ 2388 if (sc->sc_srom[0] & 3) 2389 return (0); 2390 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2391 sc->sc_srom[2] == 0) 2392 return (0); 2393 2394 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2395 return (1); 2396 } 2397 2398 /* 2399 * Standard DEC Address ROM test. 2400 */ 2401 2402 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2403 return (0); 2404 2405 for (i = 0; i < 8; i++) { 2406 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2407 return (0); 2408 } 2409 2410 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2411 2412 cksum = *(u_int16_t *) &enaddr[0]; 2413 2414 cksum <<= 1; 2415 if (cksum > 0xffff) 2416 cksum -= 0xffff; 2417 2418 cksum += *(u_int16_t *) &enaddr[2]; 2419 if (cksum > 0xffff) 2420 cksum -= 0xffff; 2421 2422 cksum <<= 1; 2423 if (cksum > 0xffff) 2424 cksum -= 0xffff; 2425 2426 cksum += *(u_int16_t *) &enaddr[4]; 2427 if (cksum >= 0xffff) 2428 cksum -= 0xffff; 2429 2430 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2431 return (0); 2432 2433 return (1); 2434 } 2435 2436 /* 2437 * tlp_filter_setup: 2438 * 2439 * Set the Tulip's receive filter. 2440 */ 2441 void 2442 tlp_filter_setup(sc) 2443 struct tulip_softc *sc; 2444 { 2445 struct ethercom *ec = &sc->sc_ethercom; 2446 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2447 struct ether_multi *enm; 2448 struct ether_multistep step; 2449 __volatile u_int32_t *sp; 2450 struct tulip_txsoft *txs; 2451 u_int8_t enaddr[ETHER_ADDR_LEN]; 2452 u_int32_t hash, hashsize; 2453 int cnt; 2454 2455 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2456 sc->sc_dev.dv_xname, sc->sc_flags)); 2457 2458 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2459 2460 /* 2461 * If there are transmissions pending, wait until they have 2462 * completed. 2463 */ 2464 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2465 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2466 sc->sc_flags |= TULIPF_WANT_SETUP; 2467 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2468 sc->sc_dev.dv_xname)); 2469 return; 2470 } 2471 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2472 2473 switch (sc->sc_chip) { 2474 case TULIP_CHIP_82C115: 2475 hashsize = TULIP_PNICII_HASHSIZE; 2476 break; 2477 2478 default: 2479 hashsize = TULIP_MCHASHSIZE; 2480 } 2481 2482 /* 2483 * If we're running, idle the transmit and receive engines. If 2484 * we're NOT running, we're being called from tlp_init(), and our 2485 * writing OPMODE will start the transmit and receive processes 2486 * in motion. 2487 */ 2488 if (ifp->if_flags & IFF_RUNNING) { 2489 /* 2490 * Actually, some chips seem to need a really hard 2491 * kick in the head for this to work. The genuine 2492 * DEC chips can just be idled, but some of the 2493 * clones seem to REALLY want a reset here. Doing 2494 * the reset will end up here again, but with 2495 * IFF_RUNNING cleared. 2496 */ 2497 switch (sc->sc_chip) { 2498 case TULIP_CHIP_82C168: 2499 case TULIP_CHIP_82C169: 2500 tlp_init(sc); 2501 return; 2502 2503 default: 2504 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2505 } 2506 } 2507 2508 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2509 2510 if (ifp->if_flags & IFF_PROMISC) { 2511 sc->sc_opmode |= OPMODE_PR; 2512 goto allmulti; 2513 } 2514 2515 /* 2516 * Try Perfect filtering first. 2517 */ 2518 2519 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2520 sp = TULIP_CDSP(sc); 2521 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2522 cnt = 0; 2523 ETHER_FIRST_MULTI(step, ec, enm); 2524 while (enm != NULL) { 2525 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2526 /* 2527 * We must listen to a range of multicast addresses. 2528 * For now, just accept all multicasts, rather than 2529 * trying to set only those filter bits needed to match 2530 * the range. (At this time, the only use of address 2531 * ranges is for IP multicast routing, for which the 2532 * range is big enough to require all bits set.) 2533 */ 2534 goto allmulti; 2535 } 2536 if (cnt == (TULIP_MAXADDRS - 2)) { 2537 /* 2538 * We already have our multicast limit (still need 2539 * our station address and broadcast). Go to 2540 * Hash-Perfect mode. 2541 */ 2542 goto hashperfect; 2543 } 2544 cnt++; 2545 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2546 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2547 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2548 ETHER_NEXT_MULTI(step, enm); 2549 } 2550 2551 if (ifp->if_flags & IFF_BROADCAST) { 2552 /* ...and the broadcast address. */ 2553 cnt++; 2554 *sp++ = TULIP_SP_FIELD_C(0xffff); 2555 *sp++ = TULIP_SP_FIELD_C(0xffff); 2556 *sp++ = TULIP_SP_FIELD_C(0xffff); 2557 } 2558 2559 /* Pad the rest with our station address. */ 2560 for (; cnt < TULIP_MAXADDRS; cnt++) { 2561 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2562 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2563 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2564 } 2565 ifp->if_flags &= ~IFF_ALLMULTI; 2566 goto setit; 2567 2568 hashperfect: 2569 /* 2570 * Try Hash-Perfect mode. 2571 */ 2572 2573 /* 2574 * Some 21140 chips have broken Hash-Perfect modes. On these 2575 * chips, we simply use Hash-Only mode, and put our station 2576 * address into the filter. 2577 */ 2578 if (sc->sc_chip == TULIP_CHIP_21140) 2579 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2580 else 2581 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2582 sp = TULIP_CDSP(sc); 2583 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2584 ETHER_FIRST_MULTI(step, ec, enm); 2585 while (enm != NULL) { 2586 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2587 /* 2588 * We must listen to a range of multicast addresses. 2589 * For now, just accept all multicasts, rather than 2590 * trying to set only those filter bits needed to match 2591 * the range. (At this time, the only use of address 2592 * ranges is for IP multicast routing, for which the 2593 * range is big enough to require all bits set.) 2594 */ 2595 goto allmulti; 2596 } 2597 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2598 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2599 ETHER_NEXT_MULTI(step, enm); 2600 } 2601 2602 if (ifp->if_flags & IFF_BROADCAST) { 2603 /* ...and the broadcast address. */ 2604 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2605 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2606 } 2607 2608 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2609 /* ...and our station address. */ 2610 hash = tlp_mchash(enaddr, hashsize); 2611 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2612 } else { 2613 /* 2614 * Hash-Perfect mode; put our station address after 2615 * the hash table. 2616 */ 2617 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2618 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2619 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2620 } 2621 ifp->if_flags &= ~IFF_ALLMULTI; 2622 goto setit; 2623 2624 allmulti: 2625 /* 2626 * Use Perfect filter mode. First address is the broadcast address, 2627 * and pad the rest with our station address. We'll set Pass-all- 2628 * multicast in OPMODE below. 2629 */ 2630 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2631 sp = TULIP_CDSP(sc); 2632 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2633 cnt = 0; 2634 if (ifp->if_flags & IFF_BROADCAST) { 2635 cnt++; 2636 *sp++ = TULIP_SP_FIELD_C(0xffff); 2637 *sp++ = TULIP_SP_FIELD_C(0xffff); 2638 *sp++ = TULIP_SP_FIELD_C(0xffff); 2639 } 2640 for (; cnt < TULIP_MAXADDRS; cnt++) { 2641 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2642 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2643 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2644 } 2645 ifp->if_flags |= IFF_ALLMULTI; 2646 2647 setit: 2648 if (ifp->if_flags & IFF_ALLMULTI) 2649 sc->sc_opmode |= OPMODE_PM; 2650 2651 /* Sync the setup packet buffer. */ 2652 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2653 2654 /* 2655 * Fill in the setup packet descriptor. 2656 */ 2657 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2658 2659 txs->txs_firstdesc = sc->sc_txnext; 2660 txs->txs_lastdesc = sc->sc_txnext; 2661 txs->txs_ndescs = 1; 2662 txs->txs_mbuf = NULL; 2663 2664 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2665 htole32(TULIP_CDSPADDR(sc)); 2666 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2667 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2668 sc->sc_filtmode | TDCTL_Tx_SET | TDCTL_Tx_FS | 2669 TDCTL_Tx_LS | TDCTL_Tx_IC | sc->sc_tdctl_ch | 2670 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2671 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2672 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2673 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2674 2675 /* Advance the tx pointer. */ 2676 sc->sc_txfree -= 1; 2677 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2678 2679 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2680 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2681 2682 /* 2683 * Set the OPMODE register. This will also resume the 2684 * transmit transmit process we idled above. 2685 */ 2686 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2687 2688 sc->sc_flags |= TULIPF_DOING_SETUP; 2689 2690 /* 2691 * Kick the transmitter; this will cause the Tulip to 2692 * read the setup descriptor. 2693 */ 2694 /* XXX USE AUTOPOLLING? */ 2695 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2696 2697 /* Set up a watchdog timer in case the chip flakes out. */ 2698 ifp->if_timer = 5; 2699 2700 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2701 } 2702 2703 /* 2704 * tlp_winb_filter_setup: 2705 * 2706 * Set the Winbond 89C840F's receive filter. 2707 */ 2708 void 2709 tlp_winb_filter_setup(sc) 2710 struct tulip_softc *sc; 2711 { 2712 struct ethercom *ec = &sc->sc_ethercom; 2713 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2714 struct ether_multi *enm; 2715 struct ether_multistep step; 2716 u_int32_t hash, mchash[2]; 2717 2718 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2719 sc->sc_dev.dv_xname, sc->sc_flags)); 2720 2721 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2722 2723 if (ifp->if_flags & IFF_MULTICAST) 2724 sc->sc_opmode |= OPMODE_WINB_AMP; 2725 2726 if (ifp->if_flags & IFF_BROADCAST) 2727 sc->sc_opmode |= OPMODE_WINB_ABP; 2728 2729 if (ifp->if_flags & IFF_PROMISC) { 2730 sc->sc_opmode |= OPMODE_WINB_APP; 2731 goto allmulti; 2732 } 2733 2734 mchash[0] = mchash[1] = 0; 2735 2736 ETHER_FIRST_MULTI(step, ec, enm); 2737 while (enm != NULL) { 2738 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2739 /* 2740 * We must listen to a range of multicast addresses. 2741 * For now, just accept all multicasts, rather than 2742 * trying to set only those filter bits needed to match 2743 * the range. (At this time, the only use of address 2744 * ranges is for IP multicast routing, for which the 2745 * range is big enough to require all bits set.) 2746 */ 2747 goto allmulti; 2748 } 2749 2750 /* 2751 * According to the FreeBSD `wb' driver, yes, you 2752 * really do invert the hash. 2753 */ 2754 hash = (~(tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2755 & 0x3f; 2756 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2757 ETHER_NEXT_MULTI(step, enm); 2758 } 2759 ifp->if_flags &= ~IFF_ALLMULTI; 2760 goto setit; 2761 2762 allmulti: 2763 ifp->if_flags |= IFF_ALLMULTI; 2764 mchash[0] = mchash[1] = 0xffffffff; 2765 2766 setit: 2767 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2768 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2769 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2770 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2771 sc->sc_dev.dv_xname)); 2772 } 2773 2774 /* 2775 * tlp_al981_filter_setup: 2776 * 2777 * Set the ADMtek AL981's receive filter. 2778 */ 2779 void 2780 tlp_al981_filter_setup(sc) 2781 struct tulip_softc *sc; 2782 { 2783 struct ethercom *ec = &sc->sc_ethercom; 2784 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2785 struct ether_multi *enm; 2786 struct ether_multistep step; 2787 u_int32_t hash, mchash[2]; 2788 2789 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2790 sc->sc_dev.dv_xname, sc->sc_flags)); 2791 2792 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2793 2794 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2795 2796 if (ifp->if_flags & IFF_PROMISC) { 2797 sc->sc_opmode |= OPMODE_PR; 2798 goto allmulti; 2799 } 2800 2801 mchash[0] = mchash[1] = 0; 2802 2803 ETHER_FIRST_MULTI(step, ec, enm); 2804 while (enm != NULL) { 2805 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2806 /* 2807 * We must listen to a range of multicast addresses. 2808 * For now, just accept all multicasts, rather than 2809 * trying to set only those filter bits needed to match 2810 * the range. (At this time, the only use of address 2811 * ranges is for IP multicast routing, for which the 2812 * range is big enough to require all bits set.) 2813 */ 2814 goto allmulti; 2815 } 2816 2817 hash = (tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 2818 & 0x3f; 2819 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2820 ETHER_NEXT_MULTI(step, enm); 2821 } 2822 ifp->if_flags &= ~IFF_ALLMULTI; 2823 goto setit; 2824 2825 allmulti: 2826 ifp->if_flags |= IFF_ALLMULTI; 2827 mchash[0] = mchash[1] = 0xffffffff; 2828 2829 setit: 2830 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2831 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2832 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2833 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2834 sc->sc_dev.dv_xname)); 2835 } 2836 2837 /* 2838 * tlp_idle: 2839 * 2840 * Cause the transmit and/or receive processes to go idle. 2841 */ 2842 void 2843 tlp_idle(sc, bits) 2844 struct tulip_softc *sc; 2845 u_int32_t bits; 2846 { 2847 static const char *tx_state_names[] = { 2848 "STOPPED", 2849 "RUNNING - FETCH", 2850 "RUNNING - WAIT", 2851 "RUNNING - READING", 2852 "-- RESERVED --", 2853 "RUNNING - SETUP", 2854 "SUSPENDED", 2855 "RUNNING - CLOSE", 2856 }; 2857 static const char *rx_state_names[] = { 2858 "STOPPED", 2859 "RUNNING - FETCH", 2860 "RUNNING - CHECK", 2861 "RUNNING - WAIT", 2862 "SUSPENDED", 2863 "RUNNING - CLOSE", 2864 "RUNNING - FLUSH", 2865 "RUNNING - QUEUE", 2866 }; 2867 u_int32_t csr, ackmask = 0; 2868 int i; 2869 2870 if (bits & OPMODE_ST) 2871 ackmask |= STATUS_TPS; 2872 2873 if (bits & OPMODE_SR) 2874 ackmask |= STATUS_RPS; 2875 2876 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2877 2878 for (i = 0; i < 1000; i++) { 2879 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2880 break; 2881 delay(10); 2882 } 2883 2884 csr = TULIP_READ(sc, CSR_STATUS); 2885 if ((csr & ackmask) != ackmask) { 2886 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2887 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2888 printf("%s: transmit process failed to idle: " 2889 "state %s\n", sc->sc_dev.dv_xname, 2890 tx_state_names[(csr & STATUS_TS) >> 20]); 2891 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2892 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2893 printf("%s: receive process failed to idle: " 2894 "state %s\n", sc->sc_dev.dv_xname, 2895 rx_state_names[(csr & STATUS_RS) >> 17]); 2896 } 2897 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2898 } 2899 2900 /***************************************************************************** 2901 * Generic media support functions. 2902 *****************************************************************************/ 2903 2904 /* 2905 * tlp_mediastatus: [ifmedia interface function] 2906 * 2907 * Query the current media. 2908 */ 2909 void 2910 tlp_mediastatus(ifp, ifmr) 2911 struct ifnet *ifp; 2912 struct ifmediareq *ifmr; 2913 { 2914 struct tulip_softc *sc = ifp->if_softc; 2915 2916 if (TULIP_IS_ENABLED(sc) == 0) { 2917 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 2918 ifmr->ifm_status = 0; 2919 return; 2920 } 2921 2922 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 2923 } 2924 2925 /* 2926 * tlp_mediachange: [ifmedia interface function] 2927 * 2928 * Update the current media. 2929 */ 2930 int 2931 tlp_mediachange(ifp) 2932 struct ifnet *ifp; 2933 { 2934 struct tulip_softc *sc = ifp->if_softc; 2935 2936 return ((*sc->sc_mediasw->tmsw_set)(sc)); 2937 } 2938 2939 /***************************************************************************** 2940 * Support functions for MII-attached media. 2941 *****************************************************************************/ 2942 2943 /* 2944 * tlp_mii_tick: 2945 * 2946 * One second timer, used to tick the MII. 2947 */ 2948 void 2949 tlp_mii_tick(arg) 2950 void *arg; 2951 { 2952 struct tulip_softc *sc = arg; 2953 int s; 2954 2955 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 2956 return; 2957 2958 s = splnet(); 2959 mii_tick(&sc->sc_mii); 2960 splx(s); 2961 2962 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 2963 } 2964 2965 /* 2966 * tlp_mii_statchg: [mii interface function] 2967 * 2968 * Callback from PHY when media changes. 2969 */ 2970 void 2971 tlp_mii_statchg(self) 2972 struct device *self; 2973 { 2974 struct tulip_softc *sc = (struct tulip_softc *)self; 2975 2976 /* Idle the transmit and receive processes. */ 2977 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2978 2979 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 2980 2981 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 2982 sc->sc_opmode |= OPMODE_TTM; 2983 else 2984 sc->sc_opmode |= OPMODE_HBD; 2985 2986 if (sc->sc_mii.mii_media_active & IFM_FDX) 2987 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 2988 2989 /* 2990 * Write new OPMODE bits. This also restarts the transmit 2991 * and receive processes. 2992 */ 2993 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2994 } 2995 2996 /* 2997 * tlp_winb_mii_statchg: [mii interface function] 2998 * 2999 * Callback from PHY when media changes. This version is 3000 * for the Winbond 89C840F, which has different OPMODE bits. 3001 */ 3002 void 3003 tlp_winb_mii_statchg(self) 3004 struct device *self; 3005 { 3006 struct tulip_softc *sc = (struct tulip_softc *)self; 3007 3008 /* Idle the transmit and receive processes. */ 3009 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3010 3011 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3012 3013 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3014 sc->sc_opmode |= OPMODE_WINB_FES; 3015 3016 if (sc->sc_mii.mii_media_active & IFM_FDX) 3017 sc->sc_opmode |= OPMODE_FD; 3018 3019 /* 3020 * Write new OPMODE bits. This also restarts the transmit 3021 * and receive processes. 3022 */ 3023 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3024 } 3025 3026 /* 3027 * tlp_mii_getmedia: 3028 * 3029 * Callback from ifmedia to request current media status. 3030 */ 3031 void 3032 tlp_mii_getmedia(sc, ifmr) 3033 struct tulip_softc *sc; 3034 struct ifmediareq *ifmr; 3035 { 3036 3037 mii_pollstat(&sc->sc_mii); 3038 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3039 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3040 } 3041 3042 /* 3043 * tlp_mii_setmedia: 3044 * 3045 * Callback from ifmedia to request new media setting. 3046 */ 3047 int 3048 tlp_mii_setmedia(sc) 3049 struct tulip_softc *sc; 3050 { 3051 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3052 3053 if (ifp->if_flags & IFF_UP) { 3054 switch (sc->sc_chip) { 3055 case TULIP_CHIP_21142: 3056 case TULIP_CHIP_21143: 3057 /* Disable the internal Nway engine. */ 3058 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3059 break; 3060 3061 default: 3062 /* Nothing. */ 3063 } 3064 mii_mediachg(&sc->sc_mii); 3065 } 3066 return (0); 3067 } 3068 3069 /* 3070 * tlp_bitbang_mii_readreg: 3071 * 3072 * Read a PHY register via bit-bang'ing the MII. 3073 */ 3074 int 3075 tlp_bitbang_mii_readreg(self, phy, reg) 3076 struct device *self; 3077 int phy, reg; 3078 { 3079 struct tulip_softc *sc = (void *) self; 3080 3081 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3082 } 3083 3084 /* 3085 * tlp_bitbang_mii_writereg: 3086 * 3087 * Write a PHY register via bit-bang'ing the MII. 3088 */ 3089 void 3090 tlp_bitbang_mii_writereg(self, phy, reg, val) 3091 struct device *self; 3092 int phy, reg, val; 3093 { 3094 struct tulip_softc *sc = (void *) self; 3095 3096 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3097 } 3098 3099 /* 3100 * tlp_sio_mii_bitbang_read: 3101 * 3102 * Read the MII serial port for the MII bit-bang module. 3103 */ 3104 u_int32_t 3105 tlp_sio_mii_bitbang_read(self) 3106 struct device *self; 3107 { 3108 struct tulip_softc *sc = (void *) self; 3109 3110 return (TULIP_READ(sc, CSR_MIIROM)); 3111 } 3112 3113 /* 3114 * tlp_sio_mii_bitbang_write: 3115 * 3116 * Write the MII serial port for the MII bit-bang module. 3117 */ 3118 void 3119 tlp_sio_mii_bitbang_write(self, val) 3120 struct device *self; 3121 u_int32_t val; 3122 { 3123 struct tulip_softc *sc = (void *) self; 3124 3125 TULIP_WRITE(sc, CSR_MIIROM, val); 3126 } 3127 3128 /* 3129 * tlp_pnic_mii_readreg: 3130 * 3131 * Read a PHY register on the Lite-On PNIC. 3132 */ 3133 int 3134 tlp_pnic_mii_readreg(self, phy, reg) 3135 struct device *self; 3136 int phy, reg; 3137 { 3138 struct tulip_softc *sc = (void *) self; 3139 u_int32_t val; 3140 int i; 3141 3142 TULIP_WRITE(sc, CSR_PNIC_MII, 3143 PNIC_MII_MBO | PNIC_MII_RESERVED | 3144 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3145 (reg << PNIC_MII_REGSHIFT)); 3146 3147 for (i = 0; i < 1000; i++) { 3148 delay(10); 3149 val = TULIP_READ(sc, CSR_PNIC_MII); 3150 if ((val & PNIC_MII_BUSY) == 0) { 3151 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3152 return (0); 3153 else 3154 return (val & PNIC_MII_DATA); 3155 } 3156 } 3157 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3158 return (0); 3159 } 3160 3161 /* 3162 * tlp_pnic_mii_writereg: 3163 * 3164 * Write a PHY register on the Lite-On PNIC. 3165 */ 3166 void 3167 tlp_pnic_mii_writereg(self, phy, reg, val) 3168 struct device *self; 3169 int phy, reg, val; 3170 { 3171 struct tulip_softc *sc = (void *) self; 3172 int i; 3173 3174 TULIP_WRITE(sc, CSR_PNIC_MII, 3175 PNIC_MII_MBO | PNIC_MII_RESERVED | 3176 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3177 (reg << PNIC_MII_REGSHIFT) | val); 3178 3179 for (i = 0; i < 1000; i++) { 3180 delay(10); 3181 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3182 return; 3183 } 3184 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3185 } 3186 3187 const bus_addr_t tlp_al981_phy_regmap[] = { 3188 CSR_ADM_BMCR, 3189 CSR_ADM_BMSR, 3190 CSR_ADM_PHYIDR1, 3191 CSR_ADM_PHYIDR2, 3192 CSR_ADM_ANAR, 3193 CSR_ADM_ANLPAR, 3194 CSR_ADM_ANER, 3195 3196 CSR_ADM_XMC, 3197 CSR_ADM_XCIIS, 3198 CSR_ADM_XIE, 3199 CSR_ADM_100CTR, 3200 }; 3201 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3202 sizeof(tlp_al981_phy_regmap[0]); 3203 3204 /* 3205 * tlp_al981_mii_readreg: 3206 * 3207 * Read a PHY register on the ADMtek AL981. 3208 */ 3209 int 3210 tlp_al981_mii_readreg(self, phy, reg) 3211 struct device *self; 3212 int phy, reg; 3213 { 3214 struct tulip_softc *sc = (struct tulip_softc *)self; 3215 3216 /* AL981 only has an internal PHY. */ 3217 if (phy != 0) 3218 return (0); 3219 3220 if (reg >= tlp_al981_phy_regmap_size) 3221 return (0); 3222 3223 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3224 tlp_al981_phy_regmap[reg]) & 0xffff); 3225 } 3226 3227 /* 3228 * tlp_al981_mii_writereg: 3229 * 3230 * Write a PHY register on the ADMtek AL981. 3231 */ 3232 void 3233 tlp_al981_mii_writereg(self, phy, reg, val) 3234 struct device *self; 3235 int phy, reg, val; 3236 { 3237 struct tulip_softc *sc = (struct tulip_softc *)self; 3238 3239 /* AL981 only has an internal PHY. */ 3240 if (phy != 0) 3241 return; 3242 3243 if (reg >= tlp_al981_phy_regmap_size) 3244 return; 3245 3246 bus_space_write_4(sc->sc_st, sc->sc_sh, 3247 tlp_al981_phy_regmap[reg], val); 3248 } 3249 3250 /***************************************************************************** 3251 * Chip-specific pre-init and reset functions. 3252 *****************************************************************************/ 3253 3254 /* 3255 * tlp_2114x_preinit: 3256 * 3257 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3258 */ 3259 void 3260 tlp_2114x_preinit(sc) 3261 struct tulip_softc *sc; 3262 { 3263 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3264 struct tulip_21x4x_media *tm = ife->ifm_aux; 3265 3266 /* 3267 * Whether or not we're in MII or SIA/SYM mode, the media info 3268 * contains the appropriate OPMODE bits. 3269 * 3270 * Note that if we have no media info, we are are doing 3271 * non-MII `auto'. 3272 * 3273 * Also, we always set the Must-Be-One bit. 3274 */ 3275 if (tm == NULL) { 3276 #ifdef DIAGNOSTIC 3277 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3278 panic("tlp_2114x_preinit: not IFM_AUTO"); 3279 if (sc->sc_nway_active == NULL) 3280 panic("tlp_2114x_preinit: nway_active NULL"); 3281 #endif 3282 tm = sc->sc_nway_active->ifm_aux; 3283 } 3284 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3285 3286 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3287 } 3288 3289 /* 3290 * tlp_2114x_mii_preinit: 3291 * 3292 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3293 * This version is used by boards which only have MII and don't have 3294 * an ISV SROM. 3295 */ 3296 void 3297 tlp_2114x_mii_preinit(sc) 3298 struct tulip_softc *sc; 3299 { 3300 3301 /* 3302 * Always set the Must-Be-One bit, and Port Select (to select MII). 3303 * We'll never be called during a media change. 3304 */ 3305 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3306 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3307 } 3308 3309 /* 3310 * tlp_pnic_preinit: 3311 * 3312 * Pre-init function for the Lite-On 82c168 and 82c169. 3313 */ 3314 void 3315 tlp_pnic_preinit(sc) 3316 struct tulip_softc *sc; 3317 { 3318 3319 if (sc->sc_flags & TULIPF_HAS_MII) { 3320 /* 3321 * MII case: just set the port-select bit; we will never 3322 * be called during a media change. 3323 */ 3324 sc->sc_opmode |= OPMODE_PS; 3325 } else { 3326 /* 3327 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3328 */ 3329 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3330 } 3331 } 3332 3333 /* 3334 * tlp_21140_reset: 3335 * 3336 * Issue a reset sequence on the 21140 via the GPIO facility. 3337 */ 3338 void 3339 tlp_21140_reset(sc) 3340 struct tulip_softc *sc; 3341 { 3342 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3343 struct tulip_21x4x_media *tm = ife->ifm_aux; 3344 int i; 3345 3346 /* First, set the direction on the GPIO pins. */ 3347 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3348 3349 /* Now, issue the reset sequence. */ 3350 for (i = 0; i < tm->tm_reset_length; i++) { 3351 delay(10); 3352 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3353 } 3354 3355 /* Now, issue the selection sequence. */ 3356 for (i = 0; i < tm->tm_gp_length; i++) { 3357 delay(10); 3358 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3359 } 3360 3361 /* If there were no sequences, just lower the pins. */ 3362 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3363 TULIP_WRITE(sc, CSR_GPP, 0); 3364 } 3365 3366 /* 3367 * tlp_21142_reset: 3368 * 3369 * Issue a reset sequence on the 21142 via the GPIO facility. 3370 */ 3371 void 3372 tlp_21142_reset(sc) 3373 struct tulip_softc *sc; 3374 { 3375 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3376 struct tulip_21x4x_media *tm = ife->ifm_aux; 3377 const u_int8_t *ncp; 3378 int i; 3379 3380 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3381 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3382 delay(10); 3383 TULIP_WRITE(sc, CSR_SIAGEN, 3384 TULIP_ROM_GETW(ncp, 0) << 16); 3385 } 3386 3387 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3388 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3389 delay(10); 3390 TULIP_WRITE(sc, CSR_SIAGEN, 3391 TULIP_ROM_GETW(ncp, 0) << 16); 3392 } 3393 3394 /* If there were no sequences, just lower the pins. */ 3395 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3396 delay(10); 3397 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3398 } 3399 } 3400 3401 /* 3402 * tlp_pmac_reset: 3403 * 3404 * Reset routine for Macronix chips. 3405 */ 3406 void 3407 tlp_pmac_reset(sc) 3408 struct tulip_softc *sc; 3409 { 3410 3411 switch (sc->sc_chip) { 3412 case TULIP_CHIP_82C115: 3413 case TULIP_CHIP_MX98715: 3414 case TULIP_CHIP_MX98715A: 3415 case TULIP_CHIP_MX98725: 3416 /* 3417 * Set the LED operating mode. This information is located 3418 * in the EEPROM at byte offset 0x77, per the MX98715A and 3419 * MX98725 application notes. 3420 */ 3421 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3422 break; 3423 3424 default: 3425 /* Nothing. */ 3426 } 3427 } 3428 3429 /***************************************************************************** 3430 * Chip/board-specific media switches. The ones here are ones that 3431 * are potentially common to multiple front-ends. 3432 *****************************************************************************/ 3433 3434 /* 3435 * This table is a common place for all sorts of media information, 3436 * keyed off of the SROM media code for that media. 3437 * 3438 * Note that we explicitly configure the 21142/21143 to always advertise 3439 * NWay capabilities when using the UTP port. 3440 * XXX Actually, we don't yet. 3441 */ 3442 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3443 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3444 "10baseT", 3445 0, 3446 { SIACONN_21040_10BASET, 3447 SIATXRX_21040_10BASET, 3448 SIAGEN_21040_10BASET }, 3449 3450 { SIACONN_21041_10BASET, 3451 SIATXRX_21041_10BASET, 3452 SIAGEN_21041_10BASET }, 3453 3454 { SIACONN_21142_10BASET, 3455 SIATXRX_21142_10BASET, 3456 SIAGEN_21142_10BASET } }, 3457 3458 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3459 "10base2", 3460 0, 3461 { 0, 3462 0, 3463 0 }, 3464 3465 { SIACONN_21041_BNC, 3466 SIATXRX_21041_BNC, 3467 SIAGEN_21041_BNC }, 3468 3469 { SIACONN_21142_BNC, 3470 SIATXRX_21142_BNC, 3471 SIAGEN_21142_BNC } }, 3472 3473 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3474 "10base5", 3475 0, 3476 { SIACONN_21040_AUI, 3477 SIATXRX_21040_AUI, 3478 SIAGEN_21040_AUI }, 3479 3480 { SIACONN_21041_AUI, 3481 SIATXRX_21041_AUI, 3482 SIAGEN_21041_AUI }, 3483 3484 { SIACONN_21142_AUI, 3485 SIATXRX_21142_AUI, 3486 SIAGEN_21142_AUI } }, 3487 3488 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3489 "100baseTX", 3490 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3491 { 0, 3492 0, 3493 0 }, 3494 3495 { 0, 3496 0, 3497 0 }, 3498 3499 { 0, 3500 0, 3501 SIAGEN_ABM } }, 3502 3503 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3504 "10baseT-FDX", 3505 OPMODE_FD|OPMODE_HBD, 3506 { SIACONN_21040_10BASET_FDX, 3507 SIATXRX_21040_10BASET_FDX, 3508 SIAGEN_21040_10BASET_FDX }, 3509 3510 { SIACONN_21041_10BASET_FDX, 3511 SIATXRX_21041_10BASET_FDX, 3512 SIAGEN_21041_10BASET_FDX }, 3513 3514 { SIACONN_21142_10BASET_FDX, 3515 SIATXRX_21142_10BASET_FDX, 3516 SIAGEN_21142_10BASET_FDX } }, 3517 3518 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3519 "100baseTX-FDX", 3520 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3521 { 0, 3522 0, 3523 0 }, 3524 3525 { 0, 3526 0, 3527 0 }, 3528 3529 { 0, 3530 0, 3531 SIAGEN_ABM } }, 3532 3533 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3534 "100baseT4", 3535 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3536 { 0, 3537 0, 3538 0 }, 3539 3540 { 0, 3541 0, 3542 0 }, 3543 3544 { 0, 3545 0, 3546 SIAGEN_ABM } }, 3547 3548 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3549 "100baseFX", 3550 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3551 { 0, 3552 0, 3553 0 }, 3554 3555 { 0, 3556 0, 3557 0 }, 3558 3559 { 0, 3560 0, 3561 SIAGEN_ABM } }, 3562 3563 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3564 "100baseFX-FDX", 3565 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3566 { 0, 3567 0, 3568 0 }, 3569 3570 { 0, 3571 0, 3572 0 }, 3573 3574 { 0, 3575 0, 3576 SIAGEN_ABM } }, 3577 3578 { 0, 0, 0, 3579 NULL, 3580 0, 3581 { 0, 3582 0, 3583 0 }, 3584 3585 { 0, 3586 0, 3587 0 }, 3588 3589 { 0, 3590 0, 3591 0 } }, 3592 }; 3593 3594 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3595 void tlp_srom_media_info __P((struct tulip_softc *, 3596 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3597 void tlp_add_srom_media __P((struct tulip_softc *, int, 3598 void (*)(struct tulip_softc *, struct ifmediareq *), 3599 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3600 void tlp_print_media __P((struct tulip_softc *)); 3601 void tlp_nway_activate __P((struct tulip_softc *, int)); 3602 void tlp_get_minst __P((struct tulip_softc *)); 3603 3604 const struct tulip_srom_to_ifmedia * 3605 tlp_srom_to_ifmedia(sm) 3606 u_int8_t sm; 3607 { 3608 const struct tulip_srom_to_ifmedia *tsti; 3609 3610 for (tsti = tulip_srom_to_ifmedia_table; 3611 tsti->tsti_name != NULL; tsti++) { 3612 if (tsti->tsti_srom == sm) 3613 return (tsti); 3614 } 3615 3616 return (NULL); 3617 } 3618 3619 void 3620 tlp_srom_media_info(sc, tsti, tm) 3621 struct tulip_softc *sc; 3622 const struct tulip_srom_to_ifmedia *tsti; 3623 struct tulip_21x4x_media *tm; 3624 { 3625 3626 tm->tm_name = tsti->tsti_name; 3627 tm->tm_opmode = tsti->tsti_opmode; 3628 3629 switch (sc->sc_chip) { 3630 case TULIP_CHIP_DE425: 3631 case TULIP_CHIP_21040: 3632 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3633 break; 3634 3635 case TULIP_CHIP_21041: 3636 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3637 break; 3638 3639 case TULIP_CHIP_21142: 3640 case TULIP_CHIP_21143: 3641 case TULIP_CHIP_82C115: 3642 case TULIP_CHIP_MX98715: 3643 case TULIP_CHIP_MX98715A: 3644 case TULIP_CHIP_MX98725: 3645 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3646 break; 3647 3648 default: 3649 /* Nothing. */ 3650 } 3651 } 3652 3653 void 3654 tlp_add_srom_media(sc, type, get, set, list, cnt) 3655 struct tulip_softc *sc; 3656 int type; 3657 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3658 int (*set) __P((struct tulip_softc *)); 3659 const u_int8_t *list; 3660 int cnt; 3661 { 3662 struct tulip_21x4x_media *tm; 3663 const struct tulip_srom_to_ifmedia *tsti; 3664 int i; 3665 3666 for (i = 0; i < cnt; i++) { 3667 tsti = tlp_srom_to_ifmedia(list[i]); 3668 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3669 memset(tm, 0, sizeof(*tm)); 3670 tlp_srom_media_info(sc, tsti, tm); 3671 tm->tm_type = type; 3672 tm->tm_get = get; 3673 tm->tm_set = set; 3674 3675 ifmedia_add(&sc->sc_mii.mii_media, 3676 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3677 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3678 } 3679 } 3680 3681 void 3682 tlp_print_media(sc) 3683 struct tulip_softc *sc; 3684 { 3685 struct ifmedia_entry *ife; 3686 struct tulip_21x4x_media *tm; 3687 const char *sep = ""; 3688 3689 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3690 3691 printf("%s: ", sc->sc_dev.dv_xname); 3692 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3693 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3694 tm = ife->ifm_aux; 3695 if (tm == NULL) { 3696 #ifdef DIAGNOSTIC 3697 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3698 panic("tlp_print_media"); 3699 #endif 3700 PRINT("auto"); 3701 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3702 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3703 PRINT(tm->tm_name); 3704 } 3705 } 3706 printf("\n"); 3707 3708 #undef PRINT 3709 } 3710 3711 void 3712 tlp_nway_activate(sc, media) 3713 struct tulip_softc *sc; 3714 int media; 3715 { 3716 struct ifmedia_entry *ife; 3717 3718 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3719 #ifdef DIAGNOSTIC 3720 if (ife == NULL) 3721 panic("tlp_nway_activate"); 3722 #endif 3723 sc->sc_nway_active = ife; 3724 } 3725 3726 void 3727 tlp_get_minst(sc) 3728 struct tulip_softc *sc; 3729 { 3730 3731 if ((sc->sc_media_seen & 3732 ~((1 << TULIP_ROM_MB_21140_MII) | 3733 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3734 /* 3735 * We have not yet seen any SIA/SYM media (but are 3736 * about to; that's why we're called!), so assign 3737 * the current media instance to be the `internal media' 3738 * instance, and advance it so any MII media gets a 3739 * fresh one (used to selecting/isolating a PHY). 3740 */ 3741 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3742 } 3743 } 3744 3745 /* 3746 * SIA Utility functions. 3747 */ 3748 void tlp_sia_update_link __P((struct tulip_softc *)); 3749 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3750 int tlp_sia_set __P((struct tulip_softc *)); 3751 void tlp_sia_fixup __P((struct tulip_softc *)); 3752 3753 void 3754 tlp_sia_update_link(sc) 3755 struct tulip_softc *sc; 3756 { 3757 struct ifmedia_entry *ife; 3758 struct tulip_21x4x_media *tm; 3759 u_int32_t siastat; 3760 3761 ife = TULIP_CURRENT_MEDIA(sc); 3762 tm = ife->ifm_aux; 3763 3764 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3765 3766 siastat = TULIP_READ(sc, CSR_SIASTAT); 3767 3768 /* 3769 * Note that when we do SIA link tests, we are assuming that 3770 * the chip is really in the mode that the current media setting 3771 * reflects. If we're not, then the link tests will not be 3772 * accurate! 3773 */ 3774 switch (IFM_SUBTYPE(ife->ifm_media)) { 3775 case IFM_10_T: 3776 sc->sc_flags |= TULIPF_LINK_VALID; 3777 if ((siastat & SIASTAT_LS10) == 0) 3778 sc->sc_flags |= TULIPF_LINK_UP; 3779 break; 3780 3781 case IFM_100_TX: 3782 case IFM_100_T4: 3783 sc->sc_flags |= TULIPF_LINK_VALID; 3784 if ((siastat & SIASTAT_LS100) == 0) 3785 sc->sc_flags |= TULIPF_LINK_UP; 3786 break; 3787 } 3788 3789 switch (sc->sc_chip) { 3790 case TULIP_CHIP_21142: 3791 case TULIP_CHIP_21143: 3792 /* 3793 * On these chips, we can tell more information about 3794 * AUI/BNC. Note that the AUI/BNC selection is made 3795 * in a different register; for our purpose, it's all 3796 * AUI. 3797 */ 3798 switch (IFM_SUBTYPE(ife->ifm_media)) { 3799 case IFM_10_2: 3800 case IFM_10_5: 3801 sc->sc_flags |= TULIPF_LINK_VALID; 3802 if (siastat & SIASTAT_ARA) { 3803 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3804 sc->sc_flags |= TULIPF_LINK_UP; 3805 } 3806 break; 3807 3808 default: 3809 /* 3810 * If we're SYM media and can detect the link 3811 * via the GPIO facility, prefer that status 3812 * over LS100. 3813 */ 3814 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3815 tm->tm_actmask != 0) { 3816 sc->sc_flags = (sc->sc_flags & 3817 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3818 if (TULIP_ISSET(sc, CSR_SIAGEN, 3819 tm->tm_actmask) == tm->tm_actdata) 3820 sc->sc_flags |= TULIPF_LINK_UP; 3821 } 3822 } 3823 break; 3824 3825 default: 3826 /* Nothing. */ 3827 } 3828 } 3829 3830 void 3831 tlp_sia_get(sc, ifmr) 3832 struct tulip_softc *sc; 3833 struct ifmediareq *ifmr; 3834 { 3835 struct ifmedia_entry *ife; 3836 3837 ifmr->ifm_status = 0; 3838 3839 tlp_sia_update_link(sc); 3840 3841 ife = TULIP_CURRENT_MEDIA(sc); 3842 3843 if (sc->sc_flags & TULIPF_LINK_VALID) 3844 ifmr->ifm_status |= IFM_AVALID; 3845 if (sc->sc_flags & TULIPF_LINK_UP) 3846 ifmr->ifm_status |= IFM_ACTIVE; 3847 ifmr->ifm_active = ife->ifm_media; 3848 } 3849 3850 void 3851 tlp_sia_fixup(sc) 3852 struct tulip_softc *sc; 3853 { 3854 struct ifmedia_entry *ife; 3855 struct tulip_21x4x_media *tm; 3856 u_int32_t siaconn, siatxrx, siagen; 3857 3858 switch (sc->sc_chip) { 3859 case TULIP_CHIP_82C115: 3860 case TULIP_CHIP_MX98713A: 3861 case TULIP_CHIP_MX98715: 3862 case TULIP_CHIP_MX98715A: 3863 case TULIP_CHIP_MX98725: 3864 siaconn = PMAC_SIACONN_MASK; 3865 siatxrx = PMAC_SIATXRX_MASK; 3866 siagen = PMAC_SIAGEN_MASK; 3867 break; 3868 3869 default: 3870 /* No fixups required on any other chips. */ 3871 return; 3872 } 3873 3874 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3875 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3876 tm = ife->ifm_aux; 3877 if (tm == NULL) 3878 continue; 3879 3880 tm->tm_siaconn &= siaconn; 3881 tm->tm_siatxrx &= siatxrx; 3882 tm->tm_siagen &= siagen; 3883 } 3884 } 3885 3886 int 3887 tlp_sia_set(sc) 3888 struct tulip_softc *sc; 3889 { 3890 struct ifmedia_entry *ife; 3891 struct tulip_21x4x_media *tm; 3892 3893 ife = TULIP_CURRENT_MEDIA(sc); 3894 tm = ife->ifm_aux; 3895 3896 /* 3897 * XXX This appears to be necessary on a bunch of the clone chips. 3898 */ 3899 delay(20000); 3900 3901 /* 3902 * Idle the chip. 3903 */ 3904 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3905 3906 /* 3907 * Program the SIA. It's important to write in this order, 3908 * resetting the SIA first. 3909 */ 3910 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 3911 delay(1000); 3912 3913 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 3914 3915 switch (sc->sc_chip) { 3916 case TULIP_CHIP_21142: 3917 case TULIP_CHIP_21143: 3918 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 3919 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 3920 break; 3921 default: 3922 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 3923 } 3924 3925 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 3926 3927 /* 3928 * Set the OPMODE bits for this media and write OPMODE. 3929 * This will resume the transmit and receive processes. 3930 */ 3931 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 3932 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3933 3934 return (0); 3935 } 3936 3937 /* 3938 * 21140 GPIO utility functions. 3939 */ 3940 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 3941 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 3942 struct ifmediareq *ifmr)); 3943 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 3944 3945 void 3946 tlp_21140_gpio_update_link(sc) 3947 struct tulip_softc *sc; 3948 { 3949 struct ifmedia_entry *ife; 3950 struct tulip_21x4x_media *tm; 3951 3952 ife = TULIP_CURRENT_MEDIA(sc); 3953 tm = ife->ifm_aux; 3954 3955 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3956 3957 if (tm->tm_actmask != 0) { 3958 sc->sc_flags |= TULIPF_LINK_VALID; 3959 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 3960 tm->tm_actdata) 3961 sc->sc_flags |= TULIPF_LINK_UP; 3962 } 3963 } 3964 3965 void 3966 tlp_21140_gpio_get(sc, ifmr) 3967 struct tulip_softc *sc; 3968 struct ifmediareq *ifmr; 3969 { 3970 struct ifmedia_entry *ife; 3971 3972 ifmr->ifm_status = 0; 3973 3974 tlp_21140_gpio_update_link(sc); 3975 3976 ife = TULIP_CURRENT_MEDIA(sc); 3977 3978 if (sc->sc_flags & TULIPF_LINK_VALID) 3979 ifmr->ifm_status |= IFM_AVALID; 3980 if (sc->sc_flags & TULIPF_LINK_UP) 3981 ifmr->ifm_status |= IFM_ACTIVE; 3982 ifmr->ifm_active = ife->ifm_media; 3983 } 3984 3985 int 3986 tlp_21140_gpio_set(sc) 3987 struct tulip_softc *sc; 3988 { 3989 struct ifmedia_entry *ife; 3990 struct tulip_21x4x_media *tm; 3991 3992 ife = TULIP_CURRENT_MEDIA(sc); 3993 tm = ife->ifm_aux; 3994 3995 /* 3996 * Idle the chip. 3997 */ 3998 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3999 4000 /* 4001 * Set the GPIO pins for this media, to flip any 4002 * relays, etc. 4003 */ 4004 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4005 delay(10); 4006 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4007 4008 /* 4009 * Set the OPMODE bits for this media and write OPMODE. 4010 * This will resume the transmit and receive processes. 4011 */ 4012 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4013 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4014 4015 return (0); 4016 } 4017 4018 /* 4019 * 21040 and 21041 media switches. 4020 */ 4021 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4022 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4023 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4024 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4025 4026 const struct tulip_mediasw tlp_21040_mediasw = { 4027 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4028 }; 4029 4030 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4031 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4032 }; 4033 4034 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4035 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4036 }; 4037 4038 const struct tulip_mediasw tlp_21041_mediasw = { 4039 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4040 }; 4041 4042 4043 void 4044 tlp_21040_tmsw_init(sc) 4045 struct tulip_softc *sc; 4046 { 4047 static const u_int8_t media[] = { 4048 TULIP_ROM_MB_MEDIA_TP, 4049 TULIP_ROM_MB_MEDIA_TP_FDX, 4050 TULIP_ROM_MB_MEDIA_AUI, 4051 }; 4052 struct tulip_21x4x_media *tm; 4053 4054 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4055 tlp_mediastatus); 4056 4057 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4058 4059 /* 4060 * No SROM type for External SIA. 4061 */ 4062 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4063 memset(tm, 0, sizeof(*tm)); 4064 tm->tm_name = "manual"; 4065 tm->tm_opmode = 0; 4066 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4067 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4068 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4069 ifmedia_add(&sc->sc_mii.mii_media, 4070 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4071 4072 /* 4073 * XXX Autosense not yet supported. 4074 */ 4075 4076 /* XXX This should be auto-sense. */ 4077 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4078 4079 tlp_print_media(sc); 4080 } 4081 4082 void 4083 tlp_21040_tp_tmsw_init(sc) 4084 struct tulip_softc *sc; 4085 { 4086 static const u_int8_t media[] = { 4087 TULIP_ROM_MB_MEDIA_TP, 4088 TULIP_ROM_MB_MEDIA_TP_FDX, 4089 }; 4090 4091 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4092 tlp_mediastatus); 4093 4094 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4095 4096 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4097 4098 tlp_print_media(sc); 4099 } 4100 4101 void 4102 tlp_21040_auibnc_tmsw_init(sc) 4103 struct tulip_softc *sc; 4104 { 4105 static const u_int8_t media[] = { 4106 TULIP_ROM_MB_MEDIA_AUI, 4107 }; 4108 4109 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4110 tlp_mediastatus); 4111 4112 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4113 4114 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4115 4116 tlp_print_media(sc); 4117 } 4118 4119 void 4120 tlp_21041_tmsw_init(sc) 4121 struct tulip_softc *sc; 4122 { 4123 static const u_int8_t media[] = { 4124 TULIP_ROM_MB_MEDIA_TP, 4125 TULIP_ROM_MB_MEDIA_TP_FDX, 4126 TULIP_ROM_MB_MEDIA_BNC, 4127 TULIP_ROM_MB_MEDIA_AUI, 4128 }; 4129 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4130 const struct tulip_srom_to_ifmedia *tsti; 4131 struct tulip_21x4x_media *tm; 4132 u_int16_t romdef; 4133 u_int8_t mb; 4134 4135 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4136 tlp_mediastatus); 4137 4138 if (tlp_isv_srom(sc->sc_srom) == 0) { 4139 not_isv_srom: 4140 /* 4141 * If we have a board without the standard 21041 SROM format, 4142 * we just assume all media are present and try and pick a 4143 * reasonable default. 4144 */ 4145 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4146 4147 /* 4148 * XXX Autosense not yet supported. 4149 */ 4150 4151 /* XXX This should be auto-sense. */ 4152 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4153 4154 tlp_print_media(sc); 4155 return; 4156 } 4157 4158 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4159 for (i = 0; i < devcnt; i++) { 4160 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4161 break; 4162 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4163 sc->sc_devno) 4164 break; 4165 } 4166 4167 if (i == devcnt) 4168 goto not_isv_srom; 4169 4170 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4171 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4172 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4173 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4174 4175 for (; m_cnt != 0; 4176 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4177 mb = sc->sc_srom[mb_offset]; 4178 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4179 memset(tm, 0, sizeof(*tm)); 4180 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4181 case TULIP_ROM_MB_MEDIA_TP_FDX: 4182 case TULIP_ROM_MB_MEDIA_TP: 4183 case TULIP_ROM_MB_MEDIA_BNC: 4184 case TULIP_ROM_MB_MEDIA_AUI: 4185 tsti = tlp_srom_to_ifmedia(mb & 4186 TULIP_ROM_MB_MEDIA_CODE); 4187 4188 tlp_srom_media_info(sc, tsti, tm); 4189 4190 /* 4191 * Override our default SIA settings if the 4192 * SROM contains its own. 4193 */ 4194 if (mb & TULIP_ROM_MB_EXT) { 4195 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4196 mb_offset + TULIP_ROM_MB_CSR13); 4197 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4198 mb_offset + TULIP_ROM_MB_CSR14); 4199 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4200 mb_offset + TULIP_ROM_MB_CSR15); 4201 } 4202 4203 ifmedia_add(&sc->sc_mii.mii_media, 4204 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4205 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4206 break; 4207 4208 default: 4209 printf("%s: unknown media code 0x%02x\n", 4210 sc->sc_dev.dv_xname, 4211 mb & TULIP_ROM_MB_MEDIA_CODE); 4212 free(tm, M_DEVBUF); 4213 } 4214 } 4215 4216 /* 4217 * XXX Autosense not yet supported. 4218 */ 4219 4220 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4221 TULIP_ROM_IL_SELECT_CONN_TYPE); 4222 switch (romdef) { 4223 case SELECT_CONN_TYPE_TP: 4224 case SELECT_CONN_TYPE_TP_AUTONEG: 4225 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4226 defmedia = IFM_ETHER|IFM_10_T; 4227 break; 4228 4229 case SELECT_CONN_TYPE_TP_FDX: 4230 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4231 break; 4232 4233 case SELECT_CONN_TYPE_BNC: 4234 defmedia = IFM_ETHER|IFM_10_2; 4235 break; 4236 4237 case SELECT_CONN_TYPE_AUI: 4238 defmedia = IFM_ETHER|IFM_10_5; 4239 break; 4240 #if 0 /* XXX */ 4241 case SELECT_CONN_TYPE_ASENSE: 4242 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4243 defmedia = IFM_ETHER|IFM_AUTO; 4244 break; 4245 #endif 4246 default: 4247 defmedia = 0; 4248 } 4249 4250 if (defmedia == 0) { 4251 /* 4252 * XXX We should default to auto-sense. 4253 */ 4254 defmedia = IFM_ETHER|IFM_10_T; 4255 } 4256 4257 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4258 4259 tlp_print_media(sc); 4260 } 4261 4262 /* 4263 * DECchip 2114x ISV media switch. 4264 */ 4265 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4266 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4267 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4268 4269 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4270 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4271 }; 4272 4273 void 4274 tlp_2114x_isv_tmsw_init(sc) 4275 struct tulip_softc *sc; 4276 { 4277 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4278 struct ifmedia_entry *ife; 4279 struct mii_softc *phy; 4280 struct tulip_21x4x_media *tm; 4281 const struct tulip_srom_to_ifmedia *tsti; 4282 int i, devcnt, leaf_offset, m_cnt, type, length; 4283 int defmedia, miidef; 4284 u_int16_t word; 4285 u_int8_t *cp, *ncp; 4286 4287 defmedia = miidef = 0; 4288 4289 sc->sc_mii.mii_ifp = ifp; 4290 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4291 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4292 sc->sc_mii.mii_statchg = sc->sc_statchg; 4293 4294 /* 4295 * Ignore `instance'; we may get a mixture of SIA and MII 4296 * media, and `instance' is used to isolate or select the 4297 * PHY on the MII as appropriate. Note that duplicate media 4298 * are disallowed, so ignoring `instance' is safe. 4299 */ 4300 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4301 tlp_mediastatus); 4302 4303 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4304 for (i = 0; i < devcnt; i++) { 4305 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4306 break; 4307 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4308 sc->sc_devno) 4309 break; 4310 } 4311 4312 if (i == devcnt) { 4313 printf("%s: unable to locate info leaf in SROM\n", 4314 sc->sc_dev.dv_xname); 4315 return; 4316 } 4317 4318 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4319 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4320 4321 /* XXX SELECT CONN TYPE */ 4322 4323 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4324 4325 /* 4326 * On some chips, the first thing in the Info Leaf is the 4327 * GPIO pin direction data. 4328 */ 4329 switch (sc->sc_chip) { 4330 case TULIP_CHIP_21140: 4331 case TULIP_CHIP_21140A: 4332 case TULIP_CHIP_MX98713: 4333 case TULIP_CHIP_AX88140: 4334 case TULIP_CHIP_AX88141: 4335 sc->sc_gp_dir = *cp++; 4336 break; 4337 4338 default: 4339 /* Nothing. */ 4340 } 4341 4342 /* Get the media count. */ 4343 m_cnt = *cp++; 4344 4345 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4346 /* 4347 * Determine the type and length of this media block. 4348 */ 4349 if ((*cp & 0x80) == 0) { 4350 length = 4; 4351 type = TULIP_ROM_MB_21140_GPR; 4352 } else { 4353 length = (*cp++ & 0x7f) - 1; 4354 type = *cp++ & 0x3f; 4355 } 4356 4357 /* Compute the start of the next block. */ 4358 ncp = cp + length; 4359 4360 /* Now, parse the block. */ 4361 switch (type) { 4362 case TULIP_ROM_MB_21140_GPR: 4363 tlp_get_minst(sc); 4364 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4365 4366 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4367 memset(tm, 0, sizeof(*tm)); 4368 4369 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4370 tm->tm_get = tlp_21140_gpio_get; 4371 tm->tm_set = tlp_21140_gpio_set; 4372 4373 /* First is the media type code. */ 4374 tsti = tlp_srom_to_ifmedia(cp[0] & 4375 TULIP_ROM_MB_MEDIA_CODE); 4376 if (tsti == NULL) { 4377 /* Invalid media code. */ 4378 free(tm, M_DEVBUF); 4379 break; 4380 } 4381 4382 /* Get defaults. */ 4383 tlp_srom_media_info(sc, tsti, tm); 4384 4385 /* Next is any GPIO info for this media. */ 4386 tm->tm_gpdata = cp[1]; 4387 4388 /* 4389 * Next is a word containing OPMODE information 4390 * and info on how to detect if this media is 4391 * active. 4392 */ 4393 word = TULIP_ROM_GETW(cp, 2); 4394 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4395 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4396 tm->tm_actmask = 4397 TULIP_ROM_MB_BITPOS(word); 4398 tm->tm_actdata = 4399 (word & TULIP_ROM_MB_POLARITY) ? 4400 0 : tm->tm_actmask; 4401 } 4402 4403 ifmedia_add(&sc->sc_mii.mii_media, 4404 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4405 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4406 break; 4407 4408 case TULIP_ROM_MB_21140_MII: 4409 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4410 4411 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4412 memset(tm, 0, sizeof(*tm)); 4413 4414 tm->tm_type = TULIP_ROM_MB_21140_MII; 4415 tm->tm_get = tlp_mii_getmedia; 4416 tm->tm_set = tlp_mii_setmedia; 4417 tm->tm_opmode = OPMODE_PS; 4418 4419 if (sc->sc_reset == NULL) 4420 sc->sc_reset = tlp_21140_reset; 4421 4422 /* First is the PHY number. */ 4423 tm->tm_phyno = *cp++; 4424 4425 /* Next is the MII select sequence length and offset. */ 4426 tm->tm_gp_length = *cp++; 4427 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4428 cp += tm->tm_gp_length; 4429 4430 /* Next is the MII reset sequence length and offset. */ 4431 tm->tm_reset_length = *cp++; 4432 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4433 cp += tm->tm_reset_length; 4434 4435 /* 4436 * The following items are left in the media block 4437 * that we don't particularly care about: 4438 * 4439 * capabilities W 4440 * advertisement W 4441 * full duplex W 4442 * tx threshold W 4443 * 4444 * These appear to be bits in the PHY registers, 4445 * which our MII code handles on its own. 4446 */ 4447 4448 /* 4449 * Before we probe the MII bus, we need to reset 4450 * it and issue the selection sequence. 4451 */ 4452 4453 /* Set the direction of the pins... */ 4454 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4455 4456 for (i = 0; i < tm->tm_reset_length; i++) { 4457 delay(10); 4458 TULIP_WRITE(sc, CSR_GPP, 4459 sc->sc_srom[tm->tm_reset_offset + i]); 4460 } 4461 4462 for (i = 0; i < tm->tm_gp_length; i++) { 4463 delay(10); 4464 TULIP_WRITE(sc, CSR_GPP, 4465 sc->sc_srom[tm->tm_gp_offset + i]); 4466 } 4467 4468 /* If there were no sequences, just lower the pins. */ 4469 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4470 delay(10); 4471 TULIP_WRITE(sc, CSR_GPP, 0); 4472 } 4473 4474 /* 4475 * Now, probe the MII for the PHY. Note, we know 4476 * the location of the PHY on the bus, but we don't 4477 * particularly care; the MII code just likes to 4478 * search the whole thing anyhow. 4479 */ 4480 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4481 MII_PHY_ANY, tm->tm_phyno, 0); 4482 4483 /* 4484 * Now, search for the PHY we hopefully just 4485 * configured. If it's not configured into the 4486 * kernel, we lose. The PHY's default media always 4487 * takes priority. 4488 */ 4489 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4490 phy != NULL; 4491 phy = LIST_NEXT(phy, mii_list)) 4492 if (phy->mii_offset == tm->tm_phyno) 4493 break; 4494 if (phy == NULL) { 4495 printf("%s: unable to configure MII\n", 4496 sc->sc_dev.dv_xname); 4497 break; 4498 } 4499 4500 sc->sc_flags |= TULIPF_HAS_MII; 4501 sc->sc_tick = tlp_mii_tick; 4502 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4503 phy->mii_inst); 4504 4505 /* 4506 * Okay, now that we've found the PHY and the MII 4507 * layer has added all of the media associated 4508 * with that PHY, we need to traverse the media 4509 * list, and add our `tm' to each entry's `aux' 4510 * pointer. 4511 * 4512 * We do this by looking for media with our 4513 * PHY's `instance'. 4514 */ 4515 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4516 ife != NULL; 4517 ife = TAILQ_NEXT(ife, ifm_list)) { 4518 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4519 continue; 4520 ife->ifm_aux = tm; 4521 } 4522 break; 4523 4524 case TULIP_ROM_MB_21142_SIA: 4525 tlp_get_minst(sc); 4526 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4527 4528 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4529 memset(tm, 0, sizeof(*tm)); 4530 4531 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4532 tm->tm_get = tlp_sia_get; 4533 tm->tm_set = tlp_sia_set; 4534 4535 /* First is the media type code. */ 4536 tsti = tlp_srom_to_ifmedia(cp[0] & 4537 TULIP_ROM_MB_MEDIA_CODE); 4538 if (tsti == NULL) { 4539 /* Invalid media code. */ 4540 free(tm, M_DEVBUF); 4541 break; 4542 } 4543 4544 /* Get defaults. */ 4545 tlp_srom_media_info(sc, tsti, tm); 4546 4547 /* 4548 * Override our default SIA settings if the 4549 * SROM contains its own. 4550 */ 4551 if (cp[0] & 0x40) { 4552 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4553 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4554 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4555 cp += 7; 4556 } else 4557 cp++; 4558 4559 /* Next is GPIO control/data. */ 4560 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4561 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4562 4563 ifmedia_add(&sc->sc_mii.mii_media, 4564 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4565 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4566 break; 4567 4568 case TULIP_ROM_MB_21142_MII: 4569 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4570 4571 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4572 memset(tm, 0, sizeof(*tm)); 4573 4574 tm->tm_type = TULIP_ROM_MB_21142_MII; 4575 tm->tm_get = tlp_mii_getmedia; 4576 tm->tm_set = tlp_mii_setmedia; 4577 tm->tm_opmode = OPMODE_PS; 4578 4579 if (sc->sc_reset == NULL) 4580 sc->sc_reset = tlp_21142_reset; 4581 4582 /* First is the PHY number. */ 4583 tm->tm_phyno = *cp++; 4584 4585 /* Next is the MII select sequence length and offset. */ 4586 tm->tm_gp_length = *cp++; 4587 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4588 cp += tm->tm_gp_length * 2; 4589 4590 /* Next is the MII reset sequence length and offset. */ 4591 tm->tm_reset_length = *cp++; 4592 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4593 cp += tm->tm_reset_length * 2; 4594 4595 /* 4596 * The following items are left in the media block 4597 * that we don't particularly care about: 4598 * 4599 * capabilities W 4600 * advertisement W 4601 * full duplex W 4602 * tx threshold W 4603 * MII interrupt W 4604 * 4605 * These appear to be bits in the PHY registers, 4606 * which our MII code handles on its own. 4607 */ 4608 4609 /* 4610 * Before we probe the MII bus, we need to reset 4611 * it and issue the selection sequence. 4612 */ 4613 4614 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4615 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4616 delay(10); 4617 TULIP_WRITE(sc, CSR_SIAGEN, 4618 TULIP_ROM_GETW(ncp, 0) << 16); 4619 } 4620 4621 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4622 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4623 delay(10); 4624 TULIP_WRITE(sc, CSR_SIAGEN, 4625 TULIP_ROM_GETW(ncp, 0) << 16); 4626 } 4627 4628 /* If there were no sequences, just lower the pins. */ 4629 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4630 delay(10); 4631 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4632 } 4633 4634 /* 4635 * Now, probe the MII for the PHY. Note, we know 4636 * the location of the PHY on the bus, but we don't 4637 * particularly care; the MII code just likes to 4638 * search the whole thing anyhow. 4639 */ 4640 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4641 MII_PHY_ANY, tm->tm_phyno, 0); 4642 4643 /* 4644 * Now, search for the PHY we hopefully just 4645 * configured. If it's not configured into the 4646 * kernel, we lose. The PHY's default media always 4647 * takes priority. 4648 */ 4649 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4650 phy != NULL; 4651 phy = LIST_NEXT(phy, mii_list)) 4652 if (phy->mii_offset == tm->tm_phyno) 4653 break; 4654 if (phy == NULL) { 4655 printf("%s: unable to configure MII\n", 4656 sc->sc_dev.dv_xname); 4657 break; 4658 } 4659 4660 sc->sc_flags |= TULIPF_HAS_MII; 4661 sc->sc_tick = tlp_mii_tick; 4662 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4663 phy->mii_inst); 4664 4665 /* 4666 * Okay, now that we've found the PHY and the MII 4667 * layer has added all of the media associated 4668 * with that PHY, we need to traverse the media 4669 * list, and add our `tm' to each entry's `aux' 4670 * pointer. 4671 * 4672 * We do this by looking for media with our 4673 * PHY's `instance'. 4674 */ 4675 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4676 ife != NULL; 4677 ife = TAILQ_NEXT(ife, ifm_list)) { 4678 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4679 continue; 4680 ife->ifm_aux = tm; 4681 } 4682 break; 4683 4684 case TULIP_ROM_MB_21143_SYM: 4685 tlp_get_minst(sc); 4686 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4687 4688 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4689 memset(tm, 0, sizeof(*tm)); 4690 4691 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4692 tm->tm_get = tlp_sia_get; 4693 tm->tm_set = tlp_sia_set; 4694 4695 /* First is the media type code. */ 4696 tsti = tlp_srom_to_ifmedia(cp[0] & 4697 TULIP_ROM_MB_MEDIA_CODE); 4698 if (tsti == NULL) { 4699 /* Invalid media code. */ 4700 free(tm, M_DEVBUF); 4701 break; 4702 } 4703 4704 /* Get defaults. */ 4705 tlp_srom_media_info(sc, tsti, tm); 4706 4707 /* Next is GPIO control/data. */ 4708 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4709 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4710 4711 /* 4712 * Next is a word containing OPMODE information 4713 * and info on how to detect if this media is 4714 * active. 4715 */ 4716 word = TULIP_ROM_GETW(cp, 5); 4717 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4718 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4719 tm->tm_actmask = 4720 TULIP_ROM_MB_BITPOS(word); 4721 tm->tm_actdata = 4722 (word & TULIP_ROM_MB_POLARITY) ? 4723 0 : tm->tm_actmask; 4724 } 4725 4726 ifmedia_add(&sc->sc_mii.mii_media, 4727 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4728 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4729 break; 4730 4731 case TULIP_ROM_MB_21143_RESET: 4732 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4733 break; 4734 4735 default: 4736 printf("%s: unknown ISV media block type 0x%02x\n", 4737 sc->sc_dev.dv_xname, type); 4738 } 4739 } 4740 4741 /* 4742 * Deal with the case where no media is configured. 4743 */ 4744 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4745 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4746 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4747 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4748 return; 4749 } 4750 4751 /* 4752 * Pick the default media. 4753 */ 4754 if (miidef != 0) 4755 defmedia = miidef; 4756 else { 4757 /* 4758 * XXX Pick a better default. Should come from SROM 4759 * XXX on 21140[A], and should be "auto" on 21142, 4760 * XXX 21143, and Macronix chips. 4761 */ 4762 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4763 } 4764 4765 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4766 4767 /* 4768 * Display any non-MII media we've located. 4769 */ 4770 if (sc->sc_media_seen & 4771 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4772 tlp_print_media(sc); 4773 4774 tlp_sia_fixup(sc); 4775 } 4776 4777 void 4778 tlp_2114x_isv_tmsw_get(sc, ifmr) 4779 struct tulip_softc *sc; 4780 struct ifmediareq *ifmr; 4781 { 4782 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4783 struct tulip_21x4x_media *tm = ife->ifm_aux; 4784 4785 /* 4786 * We might be polling a non-MII autosense; check for that. 4787 */ 4788 if (tm == NULL) { 4789 #ifdef DIAGNOSTIC 4790 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4791 panic("tlp_2114x_isv_tmsw_get"); 4792 #endif 4793 tm = sc->sc_nway_active->ifm_aux; 4794 } 4795 4796 (*tm->tm_get)(sc, ifmr); 4797 } 4798 4799 int 4800 tlp_2114x_isv_tmsw_set(sc) 4801 struct tulip_softc *sc; 4802 { 4803 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4804 struct tulip_21x4x_media *tm = ife->ifm_aux; 4805 4806 /* 4807 * We might be setting a non-MII autosense; check for that. 4808 */ 4809 if (tm == NULL) { 4810 #ifdef DIAGNOSTIC 4811 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4812 panic("tlp_2114x_isv_tmsw_set"); 4813 #endif 4814 /* XXX XXX XXX */ 4815 } 4816 4817 /* 4818 * Check to see if we need to reset the chip, and do it. The 4819 * reset path will get the OPMODE register right the next 4820 * time through. 4821 */ 4822 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 4823 return (tlp_init(sc)); 4824 4825 return ((*tm->tm_set)(sc)); 4826 } 4827 4828 /* 4829 * MII-on-SIO media switch. Handles only MII attached to the SIO. 4830 */ 4831 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 4832 4833 const struct tulip_mediasw tlp_sio_mii_mediasw = { 4834 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 4835 }; 4836 4837 void 4838 tlp_sio_mii_tmsw_init(sc) 4839 struct tulip_softc *sc; 4840 { 4841 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4842 4843 /* 4844 * We don't attach any media info structures to the ifmedia 4845 * entries, so if we're using a pre-init function that needs 4846 * that info, override it to one that doesn't. 4847 */ 4848 if (sc->sc_preinit == tlp_2114x_preinit) 4849 sc->sc_preinit = tlp_2114x_mii_preinit; 4850 4851 sc->sc_mii.mii_ifp = ifp; 4852 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4853 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4854 sc->sc_mii.mii_statchg = sc->sc_statchg; 4855 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4856 tlp_mediastatus); 4857 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4858 MII_OFFSET_ANY, 0); 4859 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4860 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4861 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4862 } else { 4863 sc->sc_flags |= TULIPF_HAS_MII; 4864 sc->sc_tick = tlp_mii_tick; 4865 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4866 } 4867 } 4868 4869 /* 4870 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 4871 */ 4872 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 4873 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4874 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 4875 4876 const struct tulip_mediasw tlp_pnic_mediasw = { 4877 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 4878 }; 4879 4880 void tlp_pnic_nway_statchg __P((struct device *)); 4881 void tlp_pnic_nway_tick __P((void *)); 4882 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 4883 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 4884 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 4885 void tlp_pnic_nway_auto_timeout __P((void *)); 4886 void tlp_pnic_nway_status __P((struct tulip_softc *)); 4887 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 4888 4889 void 4890 tlp_pnic_tmsw_init(sc) 4891 struct tulip_softc *sc; 4892 { 4893 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4894 const char *sep = ""; 4895 4896 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 4897 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 4898 4899 sc->sc_mii.mii_ifp = ifp; 4900 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 4901 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 4902 sc->sc_mii.mii_statchg = sc->sc_statchg; 4903 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4904 tlp_mediastatus); 4905 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4906 MII_OFFSET_ANY, 0); 4907 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4908 /* XXX What about AUI/BNC support? */ 4909 printf("%s: ", sc->sc_dev.dv_xname); 4910 4911 tlp_pnic_nway_reset(sc); 4912 4913 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 4914 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 4915 PRINT("10baseT"); 4916 4917 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 4918 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 4919 PRINT("10baseT-FDX"); 4920 4921 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 4922 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 4923 PRINT("100baseTX"); 4924 4925 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 4926 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 4927 PNIC_NWAY_CAP100TXFDX); 4928 PRINT("100baseTX-FDX"); 4929 4930 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 4931 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 4932 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 4933 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 4934 PRINT("auto"); 4935 4936 printf("\n"); 4937 4938 sc->sc_statchg = tlp_pnic_nway_statchg; 4939 sc->sc_tick = tlp_pnic_nway_tick; 4940 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4941 } else { 4942 sc->sc_flags |= TULIPF_HAS_MII; 4943 sc->sc_tick = tlp_mii_tick; 4944 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4945 } 4946 4947 #undef ADD 4948 #undef PRINT 4949 } 4950 4951 void 4952 tlp_pnic_tmsw_get(sc, ifmr) 4953 struct tulip_softc *sc; 4954 struct ifmediareq *ifmr; 4955 { 4956 struct mii_data *mii = &sc->sc_mii; 4957 4958 if (sc->sc_flags & TULIPF_HAS_MII) 4959 tlp_mii_getmedia(sc, ifmr); 4960 else { 4961 mii->mii_media_status = 0; 4962 mii->mii_media_active = IFM_NONE; 4963 tlp_pnic_nway_service(sc, MII_POLLSTAT); 4964 ifmr->ifm_status = sc->sc_mii.mii_media_status; 4965 ifmr->ifm_active = sc->sc_mii.mii_media_active; 4966 } 4967 } 4968 4969 int 4970 tlp_pnic_tmsw_set(sc) 4971 struct tulip_softc *sc; 4972 { 4973 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4974 struct mii_data *mii = &sc->sc_mii; 4975 4976 if (sc->sc_flags & TULIPF_HAS_MII) { 4977 /* 4978 * Make sure the built-in Tx jabber timer is disabled. 4979 */ 4980 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 4981 4982 return (tlp_mii_setmedia(sc)); 4983 } 4984 4985 if (ifp->if_flags & IFF_UP) { 4986 mii->mii_media_status = 0; 4987 mii->mii_media_active = IFM_NONE; 4988 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 4989 } 4990 4991 return (0); 4992 } 4993 4994 void 4995 tlp_pnic_nway_statchg(self) 4996 struct device *self; 4997 { 4998 struct tulip_softc *sc = (struct tulip_softc *)self; 4999 5000 /* Idle the transmit and receive processes. */ 5001 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5002 5003 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5004 OPMODE_SCR|OPMODE_HBD); 5005 5006 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5007 sc->sc_opmode |= OPMODE_TTM; 5008 TULIP_WRITE(sc, CSR_GPP, 5009 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5010 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5011 } else { 5012 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5013 TULIP_WRITE(sc, CSR_GPP, 5014 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5015 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5016 } 5017 5018 if (sc->sc_mii.mii_media_active & IFM_FDX) 5019 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5020 5021 /* 5022 * Write new OPMODE bits. This also restarts the transmit 5023 * and receive processes. 5024 */ 5025 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5026 } 5027 5028 void 5029 tlp_pnic_nway_tick(arg) 5030 void *arg; 5031 { 5032 struct tulip_softc *sc = arg; 5033 int s; 5034 5035 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5036 return; 5037 5038 s = splnet(); 5039 tlp_pnic_nway_service(sc, MII_TICK); 5040 splx(s); 5041 5042 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5043 } 5044 5045 /* 5046 * Support for the Lite-On PNIC internal NWay block. This is constructed 5047 * somewhat like a PHY driver for simplicity. 5048 */ 5049 5050 int 5051 tlp_pnic_nway_service(sc, cmd) 5052 struct tulip_softc *sc; 5053 int cmd; 5054 { 5055 struct mii_data *mii = &sc->sc_mii; 5056 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5057 5058 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5059 return (0); 5060 5061 switch (cmd) { 5062 case MII_POLLSTAT: 5063 /* Nothing special to do here. */ 5064 break; 5065 5066 case MII_MEDIACHG: 5067 switch (IFM_SUBTYPE(ife->ifm_media)) { 5068 case IFM_AUTO: 5069 (void) tlp_pnic_nway_auto(sc, 1); 5070 break; 5071 case IFM_100_T4: 5072 /* 5073 * XXX Not supported as a manual setting right now. 5074 */ 5075 return (EINVAL); 5076 default: 5077 /* 5078 * NWAY register data is stored in the ifmedia entry. 5079 */ 5080 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5081 } 5082 break; 5083 5084 case MII_TICK: 5085 /* 5086 * Only used for autonegotiation. 5087 */ 5088 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5089 return (0); 5090 5091 /* 5092 * Check to see if we have link. If we do, we don't 5093 * need to restart the autonegotiation process. 5094 */ 5095 if (sc->sc_flags & TULIPF_LINK_UP) 5096 return (0); 5097 5098 /* 5099 * Only retry autonegotiation every 5 seconds. 5100 */ 5101 if (++sc->sc_nway_ticks != 5) 5102 return (0); 5103 5104 sc->sc_nway_ticks = 0; 5105 tlp_pnic_nway_reset(sc); 5106 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5107 return (0); 5108 break; 5109 } 5110 5111 /* Update the media status. */ 5112 tlp_pnic_nway_status(sc); 5113 5114 /* Callback if something changed. */ 5115 if ((sc->sc_nway_active == NULL || 5116 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5117 cmd == MII_MEDIACHG) { 5118 (*sc->sc_statchg)(&sc->sc_dev); 5119 tlp_nway_activate(sc, mii->mii_media_active); 5120 } 5121 return (0); 5122 } 5123 5124 void 5125 tlp_pnic_nway_reset(sc) 5126 struct tulip_softc *sc; 5127 { 5128 5129 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5130 delay(100); 5131 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5132 } 5133 5134 int 5135 tlp_pnic_nway_auto(sc, waitfor) 5136 struct tulip_softc *sc; 5137 int waitfor; 5138 { 5139 struct mii_data *mii = &sc->sc_mii; 5140 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5141 u_int32_t reg; 5142 int i; 5143 5144 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5145 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5146 5147 if (waitfor) { 5148 /* Wait 500ms for it to complete. */ 5149 for (i = 0; i < 500; i++) { 5150 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5151 if (reg & PNIC_NWAY_LPAR_MASK) { 5152 tlp_pnic_nway_acomp(sc); 5153 return (0); 5154 } 5155 delay(1000); 5156 } 5157 #if 0 5158 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5159 printf("%s: autonegotiation failed to complete\n", 5160 sc->sc_dev.dv_xname); 5161 #endif 5162 5163 /* 5164 * Don't need to worry about clearing DOINGAUTO. 5165 * If that's set, a timeout is pending, and it will 5166 * clear the flag. 5167 */ 5168 return (EIO); 5169 } 5170 5171 /* 5172 * Just let it finish asynchronously. This is for the benefit of 5173 * the tick handler driving autonegotiation. Don't want 500ms 5174 * delays all the time while the system is running! 5175 */ 5176 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5177 sc->sc_flags |= TULIPF_DOINGAUTO; 5178 callout_reset(&sc->sc_nway_callout, hz >> 1, 5179 tlp_pnic_nway_auto_timeout, sc); 5180 } 5181 return (EJUSTRETURN); 5182 } 5183 5184 void 5185 tlp_pnic_nway_auto_timeout(arg) 5186 void *arg; 5187 { 5188 struct tulip_softc *sc = arg; 5189 u_int32_t reg; 5190 int s; 5191 5192 s = splnet(); 5193 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5194 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5195 #if 0 5196 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5197 printf("%s: autonegotiation failed to complete\n", 5198 sc->sc_dev.dv_xname); 5199 #endif 5200 5201 tlp_pnic_nway_acomp(sc); 5202 5203 /* Update the media status. */ 5204 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5205 splx(s); 5206 } 5207 5208 void 5209 tlp_pnic_nway_status(sc) 5210 struct tulip_softc *sc; 5211 { 5212 struct mii_data *mii = &sc->sc_mii; 5213 u_int32_t reg; 5214 5215 mii->mii_media_status = IFM_AVALID; 5216 mii->mii_media_active = IFM_ETHER; 5217 5218 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5219 5220 if (sc->sc_flags & TULIPF_LINK_UP) 5221 mii->mii_media_status |= IFM_ACTIVE; 5222 5223 if (reg & PNIC_NWAY_NW) { 5224 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5225 /* Erg, still trying, I guess... */ 5226 mii->mii_media_active |= IFM_NONE; 5227 return; 5228 } 5229 5230 #if 0 5231 if (reg & PNIC_NWAY_LPAR100T4) 5232 mii->mii_media_active |= IFM_100_T4; 5233 else 5234 #endif 5235 if (reg & PNIC_NWAY_LPAR100TXFDX) 5236 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5237 else if (reg & PNIC_NWAY_LPAR100TX) 5238 mii->mii_media_active |= IFM_100_TX; 5239 else if (reg & PNIC_NWAY_LPAR10TFDX) 5240 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5241 else if (reg & PNIC_NWAY_LPAR10T) 5242 mii->mii_media_active |= IFM_10_T; 5243 else 5244 mii->mii_media_active |= IFM_NONE; 5245 } else { 5246 if (reg & PNIC_NWAY_100) 5247 mii->mii_media_active |= IFM_100_TX; 5248 else 5249 mii->mii_media_active |= IFM_10_T; 5250 if (reg & PNIC_NWAY_FD) 5251 mii->mii_media_active |= IFM_FDX; 5252 } 5253 } 5254 5255 void 5256 tlp_pnic_nway_acomp(sc) 5257 struct tulip_softc *sc; 5258 { 5259 u_int32_t reg; 5260 5261 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5262 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5263 5264 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5265 reg |= PNIC_NWAY_100; 5266 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5267 reg |= PNIC_NWAY_FD; 5268 5269 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5270 } 5271 5272 /* 5273 * Macronix PMAC and Lite-On PNIC-II media switch: 5274 * 5275 * MX98713 and MX98713A 21140-like MII or GPIO media. 5276 * 5277 * MX98713A 21143-like MII or SIA/SYM media. 5278 * 5279 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5280 * 82C115 5281 * 5282 * So, what we do here is fake MII-on-SIO or ISV media info, and 5283 * use the ISV media switch get/set functions to handle the rest. 5284 */ 5285 5286 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5287 5288 const struct tulip_mediasw tlp_pmac_mediasw = { 5289 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5290 }; 5291 5292 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5293 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5294 }; 5295 5296 void 5297 tlp_pmac_tmsw_init(sc) 5298 struct tulip_softc *sc; 5299 { 5300 static const u_int8_t media[] = { 5301 TULIP_ROM_MB_MEDIA_TP, 5302 TULIP_ROM_MB_MEDIA_TP_FDX, 5303 TULIP_ROM_MB_MEDIA_100TX, 5304 TULIP_ROM_MB_MEDIA_100TX_FDX, 5305 }; 5306 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5307 5308 sc->sc_mii.mii_ifp = ifp; 5309 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5310 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5311 sc->sc_mii.mii_statchg = sc->sc_statchg; 5312 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5313 tlp_mediastatus); 5314 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5315 sc->sc_chip == TULIP_CHIP_MX98713A) { 5316 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5317 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5318 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5319 sc->sc_flags |= TULIPF_HAS_MII; 5320 sc->sc_tick = tlp_mii_tick; 5321 sc->sc_preinit = tlp_2114x_mii_preinit; 5322 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5323 ifmedia_set(&sc->sc_mii.mii_media, 5324 IFM_ETHER|IFM_AUTO); 5325 return; 5326 } 5327 } 5328 5329 switch (sc->sc_chip) { 5330 case TULIP_CHIP_MX98713: 5331 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5332 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5333 5334 /* 5335 * XXX Should implement auto-sense for this someday, 5336 * XXX when we do the same for the 21140. 5337 */ 5338 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5339 break; 5340 5341 default: 5342 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5343 tlp_sia_get, tlp_sia_set, media, 2); 5344 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5345 tlp_sia_get, tlp_sia_set, media + 2, 2); 5346 5347 /* 5348 * XXX Autonegotiation not yet supported. 5349 */ 5350 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5351 break; 5352 } 5353 5354 tlp_print_media(sc); 5355 tlp_sia_fixup(sc); 5356 5357 /* Set the LED modes. */ 5358 tlp_pmac_reset(sc); 5359 5360 sc->sc_reset = tlp_pmac_reset; 5361 } 5362 5363 /* 5364 * ADMtek AL981 media switch. Only has internal PHY. 5365 */ 5366 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5367 5368 const struct tulip_mediasw tlp_al981_mediasw = { 5369 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5370 }; 5371 5372 void 5373 tlp_al981_tmsw_init(sc) 5374 struct tulip_softc *sc; 5375 { 5376 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5377 5378 sc->sc_mii.mii_ifp = ifp; 5379 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5380 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5381 sc->sc_mii.mii_statchg = sc->sc_statchg; 5382 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5383 tlp_mediastatus); 5384 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5385 MII_OFFSET_ANY, 0); 5386 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5387 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5388 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5389 } else { 5390 sc->sc_flags |= TULIPF_HAS_MII; 5391 sc->sc_tick = tlp_mii_tick; 5392 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5393 } 5394 } 5395
Indexes created Thu Sep 25 02:09:54 GMT 2025