tulip.c revision 1.54
1 /* $NetBSD: tulip.c,v 1.54 2000/03/19 21:45:23 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/mbuf.h> 52 #include <sys/malloc.h> 53 #include <sys/kernel.h> 54 #include <sys/socket.h> 55 #include <sys/ioctl.h> 56 #include <sys/errno.h> 57 #include <sys/device.h> 58 59 #include <machine/endian.h> 60 61 #include <vm/vm.h> /* for PAGE_SIZE */ 62 63 #include <net/if.h> 64 #include <net/if_dl.h> 65 #include <net/if_media.h> 66 #include <net/if_ether.h> 67 68 #if NBPFILTER > 0 69 #include <net/bpf.h> 70 #endif 71 72 #ifdef INET 73 #include <netinet/in.h> 74 #include <netinet/if_inarp.h> 75 #endif 76 77 #ifdef NS 78 #include <netns/ns.h> 79 #include <netns/ns_if.h> 80 #endif 81 82 #include <machine/bus.h> 83 #include <machine/intr.h> 84 85 #include <dev/mii/mii.h> 86 #include <dev/mii/miivar.h> 87 #include <dev/mii/mii_bitbang.h> 88 89 #include <dev/ic/tulipreg.h> 90 #include <dev/ic/tulipvar.h> 91 92 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 93 94 /* 95 * The following tables compute the transmit threshold mode. We start 96 * at index 0. When ever we get a transmit underrun, we increment our 97 * index, falling back if we encounter the NULL terminator. 98 * 99 * Note: Store and forward mode is only available on the 100mbps chips 100 * (21140 and higher). 101 */ 102 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = { 103 { OPMODE_TR_72, "72 bytes" }, 104 { OPMODE_TR_96, "96 bytes" }, 105 { OPMODE_TR_128, "128 bytes" }, 106 { OPMODE_TR_160, "160 bytes" }, 107 { 0, NULL }, 108 }; 109 110 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = { 111 { OPMODE_TR_72, "72/128 bytes" }, 112 { OPMODE_TR_96, "96/256 bytes" }, 113 { OPMODE_TR_128, "128/512 bytes" }, 114 { OPMODE_TR_160, "160/1024 bytes" }, 115 { OPMODE_SF, "store and forward mode" }, 116 { 0, NULL }, 117 }; 118 119 #define TXTH_72 0 120 #define TXTH_96 1 121 #define TXTH_128 2 122 #define TXTH_160 3 123 #define TXTH_SF 4 124 125 /* 126 * The Winbond 89C840F does transmit threshold control totally 127 * differently. It simply has a 7-bit field which indicates 128 * the threshold: 129 * 130 * txth = ((OPMODE & OPMODE_WINB_TTH) >> OPMODE_WINB_TTH_SHIFT) * 16; 131 * 132 * However, we just do Store-and-Forward mode on these chips, since 133 * the DMA engines seem to be flaky. 134 */ 135 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = { 136 { 0, "store and forward mode" }, 137 { 0, NULL }, 138 }; 139 140 #define TXTH_WINB_SF 0 141 142 void tlp_start __P((struct ifnet *)); 143 void tlp_watchdog __P((struct ifnet *)); 144 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 145 146 void tlp_shutdown __P((void *)); 147 148 void tlp_reset __P((struct tulip_softc *)); 149 int tlp_init __P((struct tulip_softc *)); 150 void tlp_rxdrain __P((struct tulip_softc *)); 151 void tlp_stop __P((struct tulip_softc *, int)); 152 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 153 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 154 void tlp_srom_idle __P((struct tulip_softc *)); 155 int tlp_srom_size __P((struct tulip_softc *)); 156 157 int tlp_enable __P((struct tulip_softc *)); 158 void tlp_disable __P((struct tulip_softc *)); 159 void tlp_power __P((int, void *)); 160 161 void tlp_filter_setup __P((struct tulip_softc *)); 162 void tlp_winb_filter_setup __P((struct tulip_softc *)); 163 void tlp_al981_filter_setup __P((struct tulip_softc *)); 164 165 void tlp_rxintr __P((struct tulip_softc *)); 166 void tlp_txintr __P((struct tulip_softc *)); 167 168 void tlp_mii_tick __P((void *)); 169 void tlp_mii_statchg __P((struct device *)); 170 void tlp_winb_mii_statchg __P((struct device *)); 171 172 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 173 int tlp_mii_setmedia __P((struct tulip_softc *)); 174 175 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 176 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 177 178 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 179 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 180 181 int tlp_al981_mii_readreg __P((struct device *, int, int)); 182 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 183 184 void tlp_2114x_preinit __P((struct tulip_softc *)); 185 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 186 void tlp_pnic_preinit __P((struct tulip_softc *)); 187 188 void tlp_21140_reset __P((struct tulip_softc *)); 189 void tlp_21142_reset __P((struct tulip_softc *)); 190 void tlp_pmac_reset __P((struct tulip_softc *)); 191 192 u_int32_t tlp_crc32 __P((const u_int8_t *, size_t)); 193 #define tlp_mchash(addr, sz) (tlp_crc32((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 194 195 /* 196 * MII bit-bang glue. 197 */ 198 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 199 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 200 201 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 202 tlp_sio_mii_bitbang_read, 203 tlp_sio_mii_bitbang_write, 204 { 205 MIIROM_MDO, /* MII_BIT_MDO */ 206 MIIROM_MDI, /* MII_BIT_MDI */ 207 MIIROM_MDC, /* MII_BIT_MDC */ 208 0, /* MII_BIT_DIR_HOST_PHY */ 209 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 210 } 211 }; 212 213 #ifdef TLP_DEBUG 214 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 215 printf x 216 #else 217 #define DPRINTF(sc, x) /* nothing */ 218 #endif 219 220 #ifdef TLP_STATS 221 void tlp_print_stats __P((struct tulip_softc *)); 222 #endif 223 224 /* 225 * tlp_attach: 226 * 227 * Attach a Tulip interface to the system. 228 */ 229 void 230 tlp_attach(sc, enaddr) 231 struct tulip_softc *sc; 232 const u_int8_t *enaddr; 233 { 234 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 235 int i, error; 236 237 /* 238 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 239 */ 240 241 /* 242 * Setup the transmit threshold table. 243 */ 244 switch (sc->sc_chip) { 245 case TULIP_CHIP_DE425: 246 case TULIP_CHIP_21040: 247 case TULIP_CHIP_21041: 248 sc->sc_txth = tlp_10_txthresh_tab; 249 break; 250 251 default: 252 sc->sc_txth = tlp_10_100_txthresh_tab; 253 break; 254 } 255 256 /* 257 * Setup the filter setup function. 258 */ 259 switch (sc->sc_chip) { 260 case TULIP_CHIP_WB89C840F: 261 sc->sc_filter_setup = tlp_winb_filter_setup; 262 break; 263 264 case TULIP_CHIP_AL981: 265 sc->sc_filter_setup = tlp_al981_filter_setup; 266 break; 267 268 default: 269 sc->sc_filter_setup = tlp_filter_setup; 270 break; 271 } 272 273 /* 274 * Set up the media status change function. 275 */ 276 switch (sc->sc_chip) { 277 case TULIP_CHIP_WB89C840F: 278 sc->sc_statchg = tlp_winb_mii_statchg; 279 break; 280 281 default: 282 /* 283 * We may override this if we have special media 284 * handling requirements (e.g. flipping GPIO pins). 285 * 286 * The pure-MII statchg function covers the basics. 287 */ 288 sc->sc_statchg = tlp_mii_statchg; 289 break; 290 } 291 292 /* 293 * Set up various chip-specific quirks. 294 * 295 * Note that wherever we can, we use the "ring" option for 296 * transmit and receive descriptors. This is because some 297 * clone chips apparently have problems when using chaining, 298 * although some *only* support chaining. 299 * 300 * What we do is always program the "next" pointer, and then 301 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 302 * appropriate places. 303 */ 304 switch (sc->sc_chip) { 305 case TULIP_CHIP_21140: 306 case TULIP_CHIP_21140A: 307 case TULIP_CHIP_21142: 308 case TULIP_CHIP_21143: 309 case TULIP_CHIP_82C115: /* 21143-like */ 310 case TULIP_CHIP_MX98713: /* 21140-like */ 311 case TULIP_CHIP_MX98713A: /* 21143-like */ 312 case TULIP_CHIP_MX98715: /* 21143-like */ 313 case TULIP_CHIP_MX98715A: /* 21143-like */ 314 case TULIP_CHIP_MX98725: /* 21143-like */ 315 /* 316 * Run these chips in ring mode. 317 */ 318 sc->sc_tdctl_ch = 0; 319 sc->sc_tdctl_er = TDCTL_ER; 320 sc->sc_preinit = tlp_2114x_preinit; 321 break; 322 323 case TULIP_CHIP_82C168: 324 case TULIP_CHIP_82C169: 325 /* 326 * Run these chips in ring mode. 327 */ 328 sc->sc_tdctl_ch = 0; 329 sc->sc_tdctl_er = TDCTL_ER; 330 sc->sc_preinit = tlp_pnic_preinit; 331 332 /* 333 * These chips seem to have busted DMA engines; just put them 334 * in Store-and-Forward mode from the get-go. 335 */ 336 sc->sc_txthresh = TXTH_SF; 337 break; 338 339 case TULIP_CHIP_WB89C840F: 340 /* 341 * Run this chip in chained mode. 342 */ 343 sc->sc_tdctl_ch = TDCTL_CH; 344 sc->sc_tdctl_er = 0; 345 sc->sc_flags |= TULIPF_IC_FS; 346 break; 347 348 default: 349 /* 350 * Default to running in ring mode. 351 */ 352 sc->sc_tdctl_ch = 0; 353 sc->sc_tdctl_er = TDCTL_ER; 354 } 355 356 /* 357 * Set up the MII bit-bang operations. 358 */ 359 switch (sc->sc_chip) { 360 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 361 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 362 break; 363 364 default: 365 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 366 } 367 368 SIMPLEQ_INIT(&sc->sc_txfreeq); 369 SIMPLEQ_INIT(&sc->sc_txdirtyq); 370 371 /* 372 * Allocate the control data structures, and create and load the 373 * DMA map for it. 374 */ 375 if ((error = bus_dmamem_alloc(sc->sc_dmat, 376 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 377 1, &sc->sc_cdnseg, 0)) != 0) { 378 printf("%s: unable to allocate control data, error = %d\n", 379 sc->sc_dev.dv_xname, error); 380 goto fail_0; 381 } 382 383 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 384 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 385 BUS_DMA_COHERENT)) != 0) { 386 printf("%s: unable to map control data, error = %d\n", 387 sc->sc_dev.dv_xname, error); 388 goto fail_1; 389 } 390 391 if ((error = bus_dmamap_create(sc->sc_dmat, 392 sizeof(struct tulip_control_data), 1, 393 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 394 printf("%s: unable to create control data DMA map, " 395 "error = %d\n", sc->sc_dev.dv_xname, error); 396 goto fail_2; 397 } 398 399 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 400 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 401 0)) != 0) { 402 printf("%s: unable to load control data DMA map, error = %d\n", 403 sc->sc_dev.dv_xname, error); 404 goto fail_3; 405 } 406 407 /* 408 * Create the transmit buffer DMA maps. 409 * 410 * Note that on the Xircom clone, transmit buffers must be 411 * 4-byte aligned. We're almost guaranteed to have to copy 412 * the packet in that case, so we just limit ourselves to 413 * one segment. 414 */ 415 switch (sc->sc_chip) { 416 case TULIP_CHIP_X3201_3: 417 sc->sc_ntxsegs = 1; 418 break; 419 420 default: 421 sc->sc_ntxsegs = TULIP_NTXSEGS; 422 } 423 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 424 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 425 sc->sc_ntxsegs, MCLBYTES, 0, 0, 426 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 427 printf("%s: unable to create tx DMA map %d, " 428 "error = %d\n", sc->sc_dev.dv_xname, i, error); 429 goto fail_4; 430 } 431 } 432 433 /* 434 * Create the recieve buffer DMA maps. 435 */ 436 for (i = 0; i < TULIP_NRXDESC; i++) { 437 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 438 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 439 printf("%s: unable to create rx DMA map %d, " 440 "error = %d\n", sc->sc_dev.dv_xname, i, error); 441 goto fail_5; 442 } 443 sc->sc_rxsoft[i].rxs_mbuf = NULL; 444 } 445 446 /* 447 * From this point forward, the attachment cannot fail. A failure 448 * before this point releases all resources that may have been 449 * allocated. 450 */ 451 sc->sc_flags |= TULIPF_ATTACHED; 452 453 /* 454 * Reset the chip to a known state. 455 */ 456 tlp_reset(sc); 457 458 /* Announce ourselves. */ 459 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 460 sc->sc_name[0] != '\0' ? sc->sc_name : "", 461 sc->sc_name[0] != '\0' ? ", " : "", 462 ether_sprintf(enaddr)); 463 464 /* 465 * Initialize our media structures. This may probe the MII, if 466 * present. 467 */ 468 (*sc->sc_mediasw->tmsw_init)(sc); 469 470 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 471 ifp->if_softc = sc; 472 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 473 ifp->if_ioctl = tlp_ioctl; 474 ifp->if_start = tlp_start; 475 ifp->if_watchdog = tlp_watchdog; 476 477 /* 478 * Attach the interface. 479 */ 480 if_attach(ifp); 481 ether_ifattach(ifp, enaddr); 482 #if NBPFILTER > 0 483 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 484 sizeof(struct ether_header)); 485 #endif 486 487 /* 488 * Make sure the interface is shutdown during reboot. 489 */ 490 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 491 if (sc->sc_sdhook == NULL) 492 printf("%s: WARNING: unable to establish shutdown hook\n", 493 sc->sc_dev.dv_xname); 494 495 /* 496 * Add a suspend hook to make sure we come back up after a 497 * resume. 498 */ 499 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 500 if (sc->sc_powerhook == NULL) 501 printf("%s: WARNING: unable to establish power hook\n", 502 sc->sc_dev.dv_xname); 503 return; 504 505 /* 506 * Free any resources we've allocated during the failed attach 507 * attempt. Do this in reverse order and fall through. 508 */ 509 fail_5: 510 for (i = 0; i < TULIP_NRXDESC; i++) { 511 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 512 bus_dmamap_destroy(sc->sc_dmat, 513 sc->sc_rxsoft[i].rxs_dmamap); 514 } 515 fail_4: 516 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 517 if (sc->sc_txsoft[i].txs_dmamap != NULL) 518 bus_dmamap_destroy(sc->sc_dmat, 519 sc->sc_txsoft[i].txs_dmamap); 520 } 521 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 522 fail_3: 523 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 524 fail_2: 525 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 526 sizeof(struct tulip_control_data)); 527 fail_1: 528 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 529 fail_0: 530 return; 531 } 532 533 /* 534 * tlp_activate: 535 * 536 * Handle device activation/deactivation requests. 537 */ 538 int 539 tlp_activate(self, act) 540 struct device *self; 541 enum devact act; 542 { 543 struct tulip_softc *sc = (void *) self; 544 int s, error = 0; 545 546 s = splnet(); 547 switch (act) { 548 case DVACT_ACTIVATE: 549 error = EOPNOTSUPP; 550 break; 551 552 case DVACT_DEACTIVATE: 553 if (sc->sc_flags & TULIPF_HAS_MII) 554 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 555 MII_OFFSET_ANY); 556 if_deactivate(&sc->sc_ethercom.ec_if); 557 break; 558 } 559 splx(s); 560 561 return (error); 562 } 563 564 /* 565 * tlp_detach: 566 * 567 * Detach a Tulip interface. 568 */ 569 int 570 tlp_detach(sc) 571 struct tulip_softc *sc; 572 { 573 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 574 struct tulip_rxsoft *rxs; 575 struct tulip_txsoft *txs; 576 int i; 577 578 /* 579 * Suceed now if there isn't any work to do. 580 */ 581 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 582 return (0); 583 584 /* Unhook our tick handler. */ 585 if (sc->sc_tick) 586 untimeout(sc->sc_tick, sc); 587 588 if (sc->sc_flags & TULIPF_HAS_MII) { 589 /* Detach all PHYs */ 590 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 591 } 592 593 /* Delete all remaining media. */ 594 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 595 596 #if NBPFILTER > 0 597 bpfdetach(ifp); 598 #endif 599 ether_ifdetach(ifp); 600 if_detach(ifp); 601 602 for (i = 0; i < TULIP_NRXDESC; i++) { 603 rxs = &sc->sc_rxsoft[i]; 604 if (rxs->rxs_mbuf != NULL) { 605 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 606 m_freem(rxs->rxs_mbuf); 607 rxs->rxs_mbuf = NULL; 608 } 609 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 610 } 611 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 612 txs = &sc->sc_txsoft[i]; 613 if (txs->txs_mbuf != NULL) { 614 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 615 m_freem(txs->txs_mbuf); 616 txs->txs_mbuf = NULL; 617 } 618 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 619 } 620 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 621 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 622 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 623 sizeof(struct tulip_control_data)); 624 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 625 626 shutdownhook_disestablish(sc->sc_sdhook); 627 628 if (sc->sc_srom) 629 free(sc->sc_srom, M_DEVBUF); 630 631 return (0); 632 } 633 634 /* 635 * tlp_shutdown: 636 * 637 * Make sure the interface is stopped at reboot time. 638 */ 639 void 640 tlp_shutdown(arg) 641 void *arg; 642 { 643 struct tulip_softc *sc = arg; 644 645 tlp_stop(sc, 1); 646 } 647 648 /* 649 * tlp_start: [ifnet interface function] 650 * 651 * Start packet transmission on the interface. 652 */ 653 void 654 tlp_start(ifp) 655 struct ifnet *ifp; 656 { 657 struct tulip_softc *sc = ifp->if_softc; 658 struct mbuf *m0, *m; 659 struct tulip_txsoft *txs, *last_txs; 660 bus_dmamap_t dmamap; 661 int error, firsttx, nexttx, lasttx, ofree, seg; 662 663 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 664 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 665 666 /* 667 * If we want a filter setup, it means no more descriptors were 668 * available for the setup routine. Let it get a chance to wedge 669 * itself into the ring. 670 */ 671 if (sc->sc_flags & TULIPF_WANT_SETUP) 672 ifp->if_flags |= IFF_OACTIVE; 673 674 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 675 return; 676 677 /* 678 * Remember the previous number of free descriptors and 679 * the first descriptor we'll use. 680 */ 681 ofree = sc->sc_txfree; 682 firsttx = sc->sc_txnext; 683 684 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 685 sc->sc_dev.dv_xname, ofree, firsttx)); 686 687 /* 688 * Loop through the send queue, setting up transmit descriptors 689 * until we drain the queue, or use up all available transmit 690 * descriptors. 691 */ 692 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 693 sc->sc_txfree != 0) { 694 /* 695 * Grab a packet off the queue. 696 */ 697 IF_DEQUEUE(&ifp->if_snd, m0); 698 if (m0 == NULL) 699 break; 700 701 dmamap = txs->txs_dmamap; 702 703 /* 704 * Load the DMA map. If this fails, the packet either 705 * didn't fit in the alloted number of segments, or we were 706 * short on resources. In this case, we'll copy and try 707 * again. 708 * 709 * Note that if we're only allowed 1 Tx segment, we 710 * have an alignment restriction. Do this test before 711 * attempting to load the DMA map, because it's more 712 * likely we'll trip the alignment test than the 713 * more-than-one-segment test. 714 */ 715 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 716 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 717 BUS_DMA_NOWAIT) != 0) { 718 MGETHDR(m, M_DONTWAIT, MT_DATA); 719 if (m == NULL) { 720 printf("%s: unable to allocate Tx mbuf\n", 721 sc->sc_dev.dv_xname); 722 IF_PREPEND(&ifp->if_snd, m0); 723 break; 724 } 725 if (m0->m_pkthdr.len > MHLEN) { 726 MCLGET(m, M_DONTWAIT); 727 if ((m->m_flags & M_EXT) == 0) { 728 printf("%s: unable to allocate Tx " 729 "cluster\n", sc->sc_dev.dv_xname); 730 m_freem(m); 731 IF_PREPEND(&ifp->if_snd, m0); 732 break; 733 } 734 } 735 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 736 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 737 m_freem(m0); 738 m0 = m; 739 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 740 m0, BUS_DMA_NOWAIT); 741 if (error) { 742 printf("%s: unable to load Tx buffer, " 743 "error = %d\n", sc->sc_dev.dv_xname, error); 744 IF_PREPEND(&ifp->if_snd, m0); 745 break; 746 } 747 } 748 749 /* 750 * Ensure we have enough descriptors free to describe 751 * the packet. 752 */ 753 if (dmamap->dm_nsegs > sc->sc_txfree) { 754 /* 755 * Not enough free descriptors to transmit this 756 * packet. We haven't committed to anything yet, 757 * so just unload the DMA map, put the packet 758 * back on the queue, and punt. Notify the upper 759 * layer that there are no more slots left. 760 * 761 * XXX We could allocate an mbuf and copy, but 762 * XXX it is worth it? 763 */ 764 ifp->if_flags |= IFF_OACTIVE; 765 bus_dmamap_unload(sc->sc_dmat, dmamap); 766 IF_PREPEND(&ifp->if_snd, m0); 767 break; 768 } 769 770 /* 771 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 772 */ 773 774 /* Sync the DMA map. */ 775 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 776 BUS_DMASYNC_PREWRITE); 777 778 /* 779 * Initialize the transmit descriptors. 780 */ 781 for (nexttx = sc->sc_txnext, seg = 0; 782 seg < dmamap->dm_nsegs; 783 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 784 /* 785 * If this is the first descriptor we're 786 * enqueueing, don't set the OWN bit just 787 * yet. That could cause a race condition. 788 * We'll do it below. 789 */ 790 sc->sc_txdescs[nexttx].td_status = 791 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 792 sc->sc_txdescs[nexttx].td_bufaddr1 = 793 htole32(dmamap->dm_segs[seg].ds_addr); 794 sc->sc_txdescs[nexttx].td_ctl = 795 htole32((dmamap->dm_segs[seg].ds_len << 796 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 797 (nexttx == (TULIP_NTXDESC - 1) ? 798 sc->sc_tdctl_er : 0)); 799 lasttx = nexttx; 800 } 801 802 /* Set `first segment' and `last segment' appropriately. */ 803 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 804 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 805 806 #ifdef TLP_DEBUG 807 if (ifp->if_flags & IFF_DEBUG) { 808 printf(" txsoft %p trainsmit chain:\n", txs); 809 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 810 printf(" descriptor %d:\n", seg); 811 printf(" td_status: 0x%08x\n", 812 le32toh(sc->sc_txdescs[seg].td_status)); 813 printf(" td_ctl: 0x%08x\n", 814 le32toh(sc->sc_txdescs[seg].td_ctl)); 815 printf(" td_bufaddr1: 0x%08x\n", 816 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 817 printf(" td_bufaddr2: 0x%08x\n", 818 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 819 if (seg == lasttx) 820 break; 821 } 822 } 823 #endif 824 825 /* Sync the descriptors we're using. */ 826 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 827 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 828 829 /* 830 * Store a pointer to the packet so we can free it later, 831 * and remember what txdirty will be once the packet is 832 * done. 833 */ 834 txs->txs_mbuf = m0; 835 txs->txs_firstdesc = sc->sc_txnext; 836 txs->txs_lastdesc = lasttx; 837 txs->txs_ndescs = dmamap->dm_nsegs; 838 839 /* Advance the tx pointer. */ 840 sc->sc_txfree -= dmamap->dm_nsegs; 841 sc->sc_txnext = nexttx; 842 843 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 844 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 845 846 last_txs = txs; 847 848 #if NBPFILTER > 0 849 /* 850 * Pass the packet to any BPF listeners. 851 */ 852 if (ifp->if_bpf) 853 bpf_mtap(ifp->if_bpf, m0); 854 #endif /* NBPFILTER > 0 */ 855 } 856 857 if (txs == NULL || sc->sc_txfree == 0) { 858 /* No more slots left; notify upper layer. */ 859 ifp->if_flags |= IFF_OACTIVE; 860 } 861 862 if (sc->sc_txfree != ofree) { 863 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 864 sc->sc_dev.dv_xname, lasttx, firsttx)); 865 /* 866 * Cause a transmit interrupt to happen on the 867 * last packet we enqueued. 868 */ 869 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 870 TULIP_CDTXSYNC(sc, lasttx, 1, 871 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 872 873 /* 874 * Some clone chips want IC on the *first* segment in 875 * the packet. Appease them. 876 */ 877 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 878 last_txs->txs_firstdesc != lasttx) { 879 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 880 htole32(TDCTL_Tx_IC); 881 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 882 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 883 } 884 885 /* 886 * The entire packet chain is set up. Give the 887 * first descriptor to the chip now. 888 */ 889 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 890 TULIP_CDTXSYNC(sc, firsttx, 1, 891 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 892 893 /* Wake up the transmitter. */ 894 /* XXX USE AUTOPOLLING? */ 895 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 896 897 /* Set a watchdog timer in case the chip flakes out. */ 898 ifp->if_timer = 5; 899 } 900 } 901 902 /* 903 * tlp_watchdog: [ifnet interface function] 904 * 905 * Watchdog timer handler. 906 */ 907 void 908 tlp_watchdog(ifp) 909 struct ifnet *ifp; 910 { 911 struct tulip_softc *sc = ifp->if_softc; 912 int doing_setup, doing_transmit; 913 914 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 915 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 916 917 if (doing_setup && doing_transmit) { 918 printf("%s: filter setup and transmit timeout\n", 919 sc->sc_dev.dv_xname); 920 ifp->if_oerrors++; 921 } else if (doing_transmit) { 922 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 923 ifp->if_oerrors++; 924 } else if (doing_setup) 925 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 926 else 927 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 928 929 (void) tlp_init(sc); 930 931 /* Try to get more packets going. */ 932 tlp_start(ifp); 933 } 934 935 /* 936 * tlp_ioctl: [ifnet interface function] 937 * 938 * Handle control requests from the operator. 939 */ 940 int 941 tlp_ioctl(ifp, cmd, data) 942 struct ifnet *ifp; 943 u_long cmd; 944 caddr_t data; 945 { 946 struct tulip_softc *sc = ifp->if_softc; 947 struct ifreq *ifr = (struct ifreq *)data; 948 struct ifaddr *ifa = (struct ifaddr *)data; 949 int s, error = 0; 950 951 s = splnet(); 952 953 switch (cmd) { 954 case SIOCSIFADDR: 955 if ((error = tlp_enable(sc)) != 0) 956 break; 957 ifp->if_flags |= IFF_UP; 958 959 switch (ifa->ifa_addr->sa_family) { 960 #ifdef INET 961 case AF_INET: 962 if ((error = tlp_init(sc)) != 0) 963 break; 964 arp_ifinit(ifp, ifa); 965 break; 966 #endif /* INET */ 967 #ifdef NS 968 case AF_NS: 969 { 970 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 971 972 if (ns_nullhost(*ina)) 973 ina->x_host = *(union ns_host *) 974 LLADDR(ifp->if_sadl); 975 else 976 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 977 ifp->if_addrlen); 978 /* Set new address. */ 979 error = tlp_init(sc); 980 break; 981 } 982 #endif /* NS */ 983 default: 984 error = tlp_init(sc); 985 break; 986 } 987 break; 988 989 case SIOCSIFMTU: 990 if (ifr->ifr_mtu > ETHERMTU) 991 error = EINVAL; 992 else 993 ifp->if_mtu = ifr->ifr_mtu; 994 break; 995 996 case SIOCSIFFLAGS: 997 #ifdef TLP_STATS 998 if (ifp->if_flags & IFF_DEBUG) 999 tlp_print_stats(sc); 1000 #endif 1001 if ((ifp->if_flags & IFF_UP) == 0 && 1002 (ifp->if_flags & IFF_RUNNING) != 0) { 1003 /* 1004 * If interface is marked down and it is running, then 1005 * stop it. 1006 */ 1007 tlp_stop(sc, 1); 1008 tlp_disable(sc); 1009 } else if ((ifp->if_flags & IFF_UP) != 0 && 1010 (ifp->if_flags & IFF_RUNNING) == 0) { 1011 /* 1012 * If interfase it marked up and it is stopped, then 1013 * start it. 1014 */ 1015 if ((error = tlp_enable(sc)) != 0) 1016 break; 1017 error = tlp_init(sc); 1018 } else if ((ifp->if_flags & IFF_UP) != 0) { 1019 /* 1020 * Reset the interface to pick up changes in any other 1021 * flags that affect the hardware state. 1022 */ 1023 if ((error = tlp_enable(sc)) != 0) 1024 break; 1025 error = tlp_init(sc); 1026 } 1027 break; 1028 1029 case SIOCADDMULTI: 1030 case SIOCDELMULTI: 1031 error = (cmd == SIOCADDMULTI) ? 1032 ether_addmulti(ifr, &sc->sc_ethercom) : 1033 ether_delmulti(ifr, &sc->sc_ethercom); 1034 1035 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1036 /* 1037 * Multicast list has changed. Set the filter 1038 * accordingly. 1039 */ 1040 (*sc->sc_filter_setup)(sc); 1041 error = 0; 1042 } 1043 break; 1044 1045 case SIOCSIFMEDIA: 1046 case SIOCGIFMEDIA: 1047 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1048 break; 1049 1050 default: 1051 error = EINVAL; 1052 break; 1053 } 1054 1055 /* Try to get more packets going. */ 1056 if (TULIP_IS_ENABLED(sc)) 1057 tlp_start(ifp); 1058 1059 splx(s); 1060 return (error); 1061 } 1062 1063 /* 1064 * tlp_intr: 1065 * 1066 * Interrupt service routine. 1067 */ 1068 int 1069 tlp_intr(arg) 1070 void *arg; 1071 { 1072 struct tulip_softc *sc = arg; 1073 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1074 u_int32_t status, rxstatus, txstatus; 1075 int handled = 0, txthresh; 1076 1077 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1078 1079 #ifdef DEBUG 1080 if (TULIP_IS_ENABLED(sc) == 0) 1081 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1082 #endif 1083 1084 /* 1085 * If the interface isn't running, the interrupt couldn't 1086 * possibly have come from us. 1087 */ 1088 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1089 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1090 return (0); 1091 1092 for (;;) { 1093 status = TULIP_READ(sc, CSR_STATUS); 1094 if (status) 1095 TULIP_WRITE(sc, CSR_STATUS, status); 1096 1097 if ((status & sc->sc_inten) == 0) 1098 break; 1099 1100 handled = 1; 1101 1102 rxstatus = status & sc->sc_rxint_mask; 1103 txstatus = status & sc->sc_txint_mask; 1104 1105 if (rxstatus) { 1106 /* Grab new any new packets. */ 1107 tlp_rxintr(sc); 1108 1109 if (rxstatus & STATUS_RWT) 1110 printf("%s: receive watchdog timeout\n", 1111 sc->sc_dev.dv_xname); 1112 1113 if (rxstatus & STATUS_RU) { 1114 printf("%s: receive ring overrun\n", 1115 sc->sc_dev.dv_xname); 1116 /* Get the receive process going again. */ 1117 tlp_idle(sc, OPMODE_SR); 1118 TULIP_WRITE(sc, CSR_RXLIST, 1119 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1120 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 1121 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1122 break; 1123 } 1124 } 1125 1126 if (txstatus) { 1127 /* Sweep up transmit descriptors. */ 1128 tlp_txintr(sc); 1129 1130 if (txstatus & STATUS_TJT) 1131 printf("%s: transmit jabber timeout\n", 1132 sc->sc_dev.dv_xname); 1133 1134 if (txstatus & STATUS_UNF) { 1135 /* 1136 * Increase our transmit threshold if 1137 * another is available. 1138 */ 1139 txthresh = sc->sc_txthresh + 1; 1140 if (sc->sc_txth[txthresh].txth_name != NULL) { 1141 /* Idle the transmit process. */ 1142 tlp_idle(sc, OPMODE_ST); 1143 1144 sc->sc_txthresh = txthresh; 1145 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1146 sc->sc_opmode |= 1147 sc->sc_txth[txthresh].txth_opmode; 1148 printf("%s: transmit underrun; new " 1149 "threshold: %s\n", 1150 sc->sc_dev.dv_xname, 1151 sc->sc_txth[txthresh].txth_name); 1152 1153 /* 1154 * Set the new threshold and restart 1155 * the transmit process. 1156 */ 1157 TULIP_WRITE(sc, CSR_OPMODE, 1158 sc->sc_opmode); 1159 } 1160 /* 1161 * XXX Log every Nth underrun from 1162 * XXX now on? 1163 */ 1164 } 1165 } 1166 1167 if (status & (STATUS_TPS|STATUS_RPS)) { 1168 if (status & STATUS_TPS) 1169 printf("%s: transmit process stopped\n", 1170 sc->sc_dev.dv_xname); 1171 if (status & STATUS_RPS) 1172 printf("%s: receive process stopped\n", 1173 sc->sc_dev.dv_xname); 1174 (void) tlp_init(sc); 1175 break; 1176 } 1177 1178 if (status & STATUS_SE) { 1179 const char *str; 1180 switch (status & STATUS_EB) { 1181 case STATUS_EB_PARITY: 1182 str = "parity error"; 1183 break; 1184 1185 case STATUS_EB_MABT: 1186 str = "master abort"; 1187 break; 1188 1189 case STATUS_EB_TABT: 1190 str = "target abort"; 1191 break; 1192 1193 default: 1194 str = "unknown error"; 1195 break; 1196 } 1197 printf("%s: fatal system error: %s\n", 1198 sc->sc_dev.dv_xname, str); 1199 (void) tlp_init(sc); 1200 break; 1201 } 1202 1203 /* 1204 * Not handled: 1205 * 1206 * Transmit buffer unavailable -- normal 1207 * condition, nothing to do, really. 1208 * 1209 * General purpose timer experied -- we don't 1210 * use the general purpose timer. 1211 * 1212 * Early receive interrupt -- not available on 1213 * all chips, we just use RI. We also only 1214 * use single-segment receive DMA, so this 1215 * is mostly useless. 1216 */ 1217 } 1218 1219 /* Try to get more packets going. */ 1220 tlp_start(ifp); 1221 1222 return (handled); 1223 } 1224 1225 /* 1226 * tlp_rxintr: 1227 * 1228 * Helper; handle receive interrupts. 1229 */ 1230 void 1231 tlp_rxintr(sc) 1232 struct tulip_softc *sc; 1233 { 1234 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1235 struct ether_header *eh; 1236 struct tulip_rxsoft *rxs; 1237 struct mbuf *m; 1238 u_int32_t rxstat; 1239 int i, len; 1240 1241 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1242 rxs = &sc->sc_rxsoft[i]; 1243 1244 TULIP_CDRXSYNC(sc, i, 1245 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1246 1247 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1248 1249 if (rxstat & TDSTAT_OWN) { 1250 /* 1251 * We have processed all of the receive buffers. 1252 */ 1253 break; 1254 } 1255 1256 /* 1257 * Make sure the packet fit in one buffer. This should 1258 * always be the case. But the Lite-On PNIC, rev 33 1259 * has an awful receive engine bug, which may require 1260 * a very icky work-around. 1261 */ 1262 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1263 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1264 printf("%s: incoming packet spilled, resetting\n", 1265 sc->sc_dev.dv_xname); 1266 (void) tlp_init(sc); 1267 return; 1268 } 1269 1270 /* 1271 * If any collisions were seen on the wire, count one. 1272 */ 1273 if (rxstat & TDSTAT_Rx_CS) 1274 ifp->if_collisions++; 1275 1276 /* 1277 * If an error occured, update stats, clear the status 1278 * word, and leave the packet buffer in place. It will 1279 * simply be reused the next time the ring comes around. 1280 */ 1281 if (rxstat & TDSTAT_ES) { 1282 #define PRINTERR(bit, str) \ 1283 if (rxstat & (bit)) \ 1284 printf("%s: receive error: %s\n", \ 1285 sc->sc_dev.dv_xname, str) 1286 ifp->if_ierrors++; 1287 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1288 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1289 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1290 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1291 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1292 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1293 #undef PRINTERR 1294 TULIP_INIT_RXDESC(sc, i); 1295 continue; 1296 } 1297 1298 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1299 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1300 1301 /* 1302 * No errors; receive the packet. Note the Tulip 1303 * includes the CRC with every packet; trim it. 1304 */ 1305 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1306 1307 #ifdef __NO_STRICT_ALIGNMENT 1308 /* 1309 * Allocate a new mbuf cluster. If that fails, we are 1310 * out of memory, and must drop the packet and recycle 1311 * the buffer that's already attached to this descriptor. 1312 */ 1313 m = rxs->rxs_mbuf; 1314 if (tlp_add_rxbuf(sc, i) != 0) { 1315 ifp->if_ierrors++; 1316 TULIP_INIT_RXDESC(sc, i); 1317 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1318 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1319 continue; 1320 } 1321 #else 1322 /* 1323 * The Tulip's receive buffers must be 4-byte aligned. 1324 * But this means that the data after the Ethernet header 1325 * is misaligned. We must allocate a new buffer and 1326 * copy the data, shifted forward 2 bytes. 1327 */ 1328 MGETHDR(m, M_DONTWAIT, MT_DATA); 1329 if (m == NULL) { 1330 dropit: 1331 ifp->if_ierrors++; 1332 TULIP_INIT_RXDESC(sc, i); 1333 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1334 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1335 continue; 1336 } 1337 if (len > (MHLEN - 2)) { 1338 MCLGET(m, M_DONTWAIT); 1339 if ((m->m_flags & M_EXT) == 0) { 1340 m_freem(m); 1341 goto dropit; 1342 } 1343 } 1344 m->m_data += 2; 1345 1346 /* 1347 * Note that we use clusters for incoming frames, so the 1348 * buffer is virtually contiguous. 1349 */ 1350 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1351 1352 /* Allow the receive descriptor to continue using its mbuf. */ 1353 TULIP_INIT_RXDESC(sc, i); 1354 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1355 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1356 #endif /* __NO_STRICT_ALIGNMENT */ 1357 1358 ifp->if_ipackets++; 1359 eh = mtod(m, struct ether_header *); 1360 m->m_pkthdr.rcvif = ifp; 1361 m->m_pkthdr.len = m->m_len = len; 1362 1363 #if NBPFILTER > 0 1364 /* 1365 * Pass this up to any BPF listeners, but only 1366 * pass it up the stack if its for us. 1367 */ 1368 if (ifp->if_bpf) 1369 bpf_mtap(ifp->if_bpf, m); 1370 #endif /* NPBFILTER > 0 */ 1371 1372 /* 1373 * This test is outside the NBPFILTER block because 1374 * on the 21140 we have to use Hash-Only mode due to 1375 * a bug in the filter logic. 1376 */ 1377 if ((ifp->if_flags & IFF_PROMISC) != 0 || 1378 sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 1379 if (memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1380 ETHER_ADDR_LEN) != 0 && 1381 ETHER_IS_MULTICAST(eh->ether_dhost) == 0) { 1382 m_freem(m); 1383 continue; 1384 } 1385 } 1386 1387 /* Pass it on. */ 1388 (*ifp->if_input)(ifp, m); 1389 } 1390 1391 /* Update the recieve pointer. */ 1392 sc->sc_rxptr = i; 1393 } 1394 1395 /* 1396 * tlp_txintr: 1397 * 1398 * Helper; handle transmit interrupts. 1399 */ 1400 void 1401 tlp_txintr(sc) 1402 struct tulip_softc *sc; 1403 { 1404 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1405 struct tulip_txsoft *txs; 1406 u_int32_t txstat; 1407 1408 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1409 sc->sc_dev.dv_xname, sc->sc_flags)); 1410 1411 ifp->if_flags &= ~IFF_OACTIVE; 1412 1413 /* 1414 * Go through our Tx list and free mbufs for those 1415 * frames that have been transmitted. 1416 */ 1417 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1418 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1419 txs->txs_ndescs, 1420 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1421 1422 #ifdef TLP_DEBUG 1423 if (ifp->if_flags & IFF_DEBUG) { 1424 int i; 1425 printf(" txsoft %p trainsmit chain:\n", txs); 1426 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1427 printf(" descriptor %d:\n", i); 1428 printf(" td_status: 0x%08x\n", 1429 le32toh(sc->sc_txdescs[i].td_status)); 1430 printf(" td_ctl: 0x%08x\n", 1431 le32toh(sc->sc_txdescs[i].td_ctl)); 1432 printf(" td_bufaddr1: 0x%08x\n", 1433 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1434 printf(" td_bufaddr2: 0x%08x\n", 1435 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1436 if (i == txs->txs_lastdesc) 1437 break; 1438 } 1439 } 1440 #endif 1441 1442 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1443 if (txstat & TDSTAT_OWN) 1444 break; 1445 1446 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1447 1448 sc->sc_txfree += txs->txs_ndescs; 1449 1450 if (txs->txs_mbuf == NULL) { 1451 /* 1452 * If we didn't have an mbuf, it was the setup 1453 * packet. 1454 */ 1455 #ifdef DIAGNOSTIC 1456 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1457 panic("tlp_txintr: null mbuf, not doing setup"); 1458 #endif 1459 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1460 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1461 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1462 continue; 1463 } 1464 1465 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1466 0, txs->txs_dmamap->dm_mapsize, 1467 BUS_DMASYNC_POSTWRITE); 1468 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1469 m_freem(txs->txs_mbuf); 1470 txs->txs_mbuf = NULL; 1471 1472 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1473 1474 /* 1475 * Check for errors and collisions. 1476 */ 1477 #ifdef TLP_STATS 1478 if (txstat & TDSTAT_Tx_UF) 1479 sc->sc_stats.ts_tx_uf++; 1480 if (txstat & TDSTAT_Tx_TO) 1481 sc->sc_stats.ts_tx_to++; 1482 if (txstat & TDSTAT_Tx_EC) 1483 sc->sc_stats.ts_tx_ec++; 1484 if (txstat & TDSTAT_Tx_LC) 1485 sc->sc_stats.ts_tx_lc++; 1486 #endif 1487 1488 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1489 ifp->if_oerrors++; 1490 1491 if (txstat & TDSTAT_Tx_EC) 1492 ifp->if_collisions += 16; 1493 else 1494 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1495 if (txstat & TDSTAT_Tx_LC) 1496 ifp->if_collisions++; 1497 1498 ifp->if_opackets++; 1499 } 1500 1501 /* 1502 * If there are no more pending transmissions, cancel the watchdog 1503 * timer. 1504 */ 1505 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1506 ifp->if_timer = 0; 1507 1508 /* 1509 * If we have a receive filter setup pending, do it now. 1510 */ 1511 if (sc->sc_flags & TULIPF_WANT_SETUP) 1512 (*sc->sc_filter_setup)(sc); 1513 } 1514 1515 #ifdef TLP_STATS 1516 void 1517 tlp_print_stats(sc) 1518 struct tulip_softc *sc; 1519 { 1520 1521 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1522 sc->sc_dev.dv_xname, 1523 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1524 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1525 } 1526 #endif 1527 1528 /* 1529 * tlp_reset: 1530 * 1531 * Perform a soft reset on the Tulip. 1532 */ 1533 void 1534 tlp_reset(sc) 1535 struct tulip_softc *sc; 1536 { 1537 int i; 1538 1539 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1540 1541 /* 1542 * Xircom clone doesn't bring itself out of reset automatically. 1543 * Instead, we have to wait at least 50 PCI cycles, and then 1544 * clear SWR. 1545 */ 1546 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1547 delay(10); 1548 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1549 } 1550 1551 for (i = 0; i < 1000; i++) { 1552 /* 1553 * Wait at least 50 PCI cycles for the reset to 1554 * complete before peeking at the Tulip again. 1555 * 10 uSec is a bit longer than 50 PCI cycles 1556 * (at 33MHz), but it doesn't hurt have the extra 1557 * wait. 1558 */ 1559 delay(10); 1560 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1561 break; 1562 } 1563 1564 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1565 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1566 1567 delay(1000); 1568 1569 /* 1570 * If the board has any GPIO reset sequences to issue, do them now. 1571 */ 1572 if (sc->sc_reset != NULL) 1573 (*sc->sc_reset)(sc); 1574 } 1575 1576 /* 1577 * tlp_init: 1578 * 1579 * Initialize the interface. Must be called at splnet(). 1580 */ 1581 int 1582 tlp_init(sc) 1583 struct tulip_softc *sc; 1584 { 1585 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1586 struct tulip_txsoft *txs; 1587 struct tulip_rxsoft *rxs; 1588 int i, error = 0; 1589 1590 /* 1591 * Cancel any pending I/O. 1592 */ 1593 tlp_stop(sc, 0); 1594 1595 /* 1596 * Initialize `opmode' to 0, and call the pre-init routine, if 1597 * any. This is required because the 2114x and some of the 1598 * clones require that the media-related bits in `opmode' be 1599 * set before performing a soft-reset in order to get internal 1600 * chip pathways are correct. Yay! 1601 */ 1602 sc->sc_opmode = 0; 1603 if (sc->sc_preinit != NULL) 1604 (*sc->sc_preinit)(sc); 1605 1606 /* 1607 * Reset the Tulip to a known state. 1608 */ 1609 tlp_reset(sc); 1610 1611 /* 1612 * Initialize the BUSMODE register. 1613 */ 1614 sc->sc_busmode = BUSMODE_BAR; 1615 switch (sc->sc_chip) { 1616 case TULIP_CHIP_21140: 1617 case TULIP_CHIP_21140A: 1618 case TULIP_CHIP_21142: 1619 case TULIP_CHIP_21143: 1620 case TULIP_CHIP_82C115: 1621 case TULIP_CHIP_MX98725: 1622 /* 1623 * If we're allowed to do so, use Memory Read Line 1624 * and Memory Read Multiple. 1625 * 1626 * XXX Should we use Memory Write and Invalidate? 1627 */ 1628 if (sc->sc_flags & TULIPF_MRL) 1629 sc->sc_busmode |= BUSMODE_RLE; 1630 if (sc->sc_flags & TULIPF_MRM) 1631 sc->sc_busmode |= BUSMODE_RME; 1632 #if 0 1633 if (sc->sc_flags & TULIPF_MWI) 1634 sc->sc_busmode |= BUSMODE_WLE; 1635 #endif 1636 1637 default: 1638 /* Nothing. */ 1639 } 1640 switch (sc->sc_cacheline) { 1641 default: 1642 /* 1643 * Note: We must *always* set these bits; a cache 1644 * alignment of 0 is RESERVED. 1645 */ 1646 case 8: 1647 sc->sc_busmode |= BUSMODE_CAL_8LW; 1648 break; 1649 case 16: 1650 sc->sc_busmode |= BUSMODE_CAL_16LW; 1651 break; 1652 case 32: 1653 sc->sc_busmode |= BUSMODE_CAL_32LW; 1654 break; 1655 } 1656 switch (sc->sc_chip) { 1657 case TULIP_CHIP_82C168: 1658 case TULIP_CHIP_82C169: 1659 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1660 break; 1661 default: 1662 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1663 break; 1664 } 1665 #if BYTE_ORDER == BIG_ENDIAN 1666 /* 1667 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1668 * support them, and even on ones that do, it doesn't 1669 * always work. 1670 */ 1671 #endif 1672 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1673 1674 /* 1675 * Initialize the OPMODE register. We don't write it until 1676 * we're ready to begin the transmit and receive processes. 1677 * 1678 * Media-related OPMODE bits are set in the media callbacks 1679 * for each specific chip/board. 1680 */ 1681 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1682 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1683 1684 /* 1685 * Magical mystery initialization on the Macronix chips. 1686 * The MX98713 uses its own magic value, the rest share 1687 * a common one. 1688 */ 1689 switch (sc->sc_chip) { 1690 case TULIP_CHIP_MX98713: 1691 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1692 break; 1693 1694 case TULIP_CHIP_MX98713A: 1695 case TULIP_CHIP_MX98715: 1696 case TULIP_CHIP_MX98715A: 1697 case TULIP_CHIP_MX98725: 1698 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1699 break; 1700 1701 default: 1702 /* Nothing. */ 1703 } 1704 1705 /* 1706 * Initialize the transmit descriptor ring. 1707 */ 1708 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1709 for (i = 0; i < TULIP_NTXDESC; i++) { 1710 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1711 sc->sc_txdescs[i].td_bufaddr2 = 1712 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1713 } 1714 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1715 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1716 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1717 sc->sc_txfree = TULIP_NTXDESC; 1718 sc->sc_txnext = 0; 1719 1720 /* 1721 * Initialize the transmit job descriptors. 1722 */ 1723 SIMPLEQ_INIT(&sc->sc_txfreeq); 1724 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1725 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1726 txs = &sc->sc_txsoft[i]; 1727 txs->txs_mbuf = NULL; 1728 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1729 } 1730 1731 /* 1732 * Initialize the receive descriptor and receive job 1733 * descriptor rings. 1734 */ 1735 for (i = 0; i < TULIP_NRXDESC; i++) { 1736 rxs = &sc->sc_rxsoft[i]; 1737 if (rxs->rxs_mbuf == NULL) { 1738 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1739 printf("%s: unable to allocate or map rx " 1740 "buffer %d, error = %d\n", 1741 sc->sc_dev.dv_xname, i, error); 1742 /* 1743 * XXX Should attempt to run with fewer receive 1744 * XXX buffers instead of just failing. 1745 */ 1746 tlp_rxdrain(sc); 1747 goto out; 1748 } 1749 } 1750 } 1751 sc->sc_rxptr = 0; 1752 1753 /* 1754 * Initialize the interrupt mask and enable interrupts. 1755 */ 1756 /* normal interrupts */ 1757 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1758 1759 /* abnormal interrupts */ 1760 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1761 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1762 1763 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1764 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1765 1766 switch (sc->sc_chip) { 1767 case TULIP_CHIP_WB89C840F: 1768 /* 1769 * Clear bits that we don't want that happen to 1770 * overlap or don't exist. 1771 */ 1772 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1773 break; 1774 1775 default: 1776 /* Nothing. */ 1777 } 1778 1779 sc->sc_rxint_mask &= sc->sc_inten; 1780 sc->sc_txint_mask &= sc->sc_inten; 1781 1782 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1783 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1784 1785 /* 1786 * Give the transmit and receive rings to the Tulip. 1787 */ 1788 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1789 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1790 1791 /* 1792 * On chips that do this differently, set the station address. 1793 */ 1794 switch (sc->sc_chip) { 1795 case TULIP_CHIP_WB89C840F: 1796 { 1797 /* XXX Do this with stream writes? */ 1798 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1799 1800 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1801 bus_space_write_1(sc->sc_st, sc->sc_sh, 1802 cpa + i, LLADDR(ifp->if_sadl)[i]); 1803 } 1804 break; 1805 } 1806 1807 case TULIP_CHIP_AL981: 1808 { 1809 u_int32_t reg; 1810 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1811 1812 reg = enaddr[0] | 1813 (enaddr[1] << 8) | 1814 (enaddr[2] << 16) | 1815 (enaddr[3] << 24); 1816 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1817 1818 reg = enaddr[4] | 1819 (enaddr[5] << 8); 1820 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1821 } 1822 1823 default: 1824 /* Nothing. */ 1825 } 1826 1827 /* 1828 * Set the receive filter. This will start the transmit and 1829 * receive processes. 1830 */ 1831 (*sc->sc_filter_setup)(sc); 1832 1833 /* 1834 * Set the current media. 1835 */ 1836 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1837 1838 /* 1839 * Start the receive process. 1840 */ 1841 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1842 1843 if (sc->sc_tick != NULL) { 1844 /* Start the one second clock. */ 1845 timeout(sc->sc_tick, sc, hz); 1846 } 1847 1848 /* 1849 * Note that the interface is now running. 1850 */ 1851 ifp->if_flags |= IFF_RUNNING; 1852 ifp->if_flags &= ~IFF_OACTIVE; 1853 1854 out: 1855 if (error) 1856 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1857 return (error); 1858 } 1859 1860 /* 1861 * tlp_enable: 1862 * 1863 * Enable the Tulip chip. 1864 */ 1865 int 1866 tlp_enable(sc) 1867 struct tulip_softc *sc; 1868 { 1869 1870 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1871 if ((*sc->sc_enable)(sc) != 0) { 1872 printf("%s: device enable failed\n", 1873 sc->sc_dev.dv_xname); 1874 return (EIO); 1875 } 1876 sc->sc_flags |= TULIPF_ENABLED; 1877 } 1878 return (0); 1879 } 1880 1881 /* 1882 * tlp_disable: 1883 * 1884 * Disable the Tulip chip. 1885 */ 1886 void 1887 tlp_disable(sc) 1888 struct tulip_softc *sc; 1889 { 1890 1891 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1892 (*sc->sc_disable)(sc); 1893 sc->sc_flags &= ~TULIPF_ENABLED; 1894 } 1895 } 1896 1897 /* 1898 * tlp_power: 1899 * 1900 * Power management (suspend/resume) hook. 1901 */ 1902 void 1903 tlp_power(why, arg) 1904 int why; 1905 void *arg; 1906 { 1907 struct tulip_softc *sc = arg; 1908 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1909 int s; 1910 1911 s = splnet(); 1912 if (why != PWR_RESUME) { 1913 tlp_stop(sc, 0); 1914 if (sc->sc_power != NULL) 1915 (*sc->sc_power)(sc, why); 1916 } else if (ifp->if_flags & IFF_UP) { 1917 if (sc->sc_power != NULL) 1918 (*sc->sc_power)(sc, why); 1919 tlp_init(sc); 1920 } 1921 splx(s); 1922 } 1923 1924 /* 1925 * tlp_rxdrain: 1926 * 1927 * Drain the receive queue. 1928 */ 1929 void 1930 tlp_rxdrain(sc) 1931 struct tulip_softc *sc; 1932 { 1933 struct tulip_rxsoft *rxs; 1934 int i; 1935 1936 for (i = 0; i < TULIP_NRXDESC; i++) { 1937 rxs = &sc->sc_rxsoft[i]; 1938 if (rxs->rxs_mbuf != NULL) { 1939 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1940 m_freem(rxs->rxs_mbuf); 1941 rxs->rxs_mbuf = NULL; 1942 } 1943 } 1944 } 1945 1946 /* 1947 * tlp_stop: 1948 * 1949 * Stop transmission on the interface. 1950 */ 1951 void 1952 tlp_stop(sc, drain) 1953 struct tulip_softc *sc; 1954 int drain; 1955 { 1956 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1957 struct tulip_txsoft *txs; 1958 1959 if (sc->sc_tick != NULL) { 1960 /* Stop the one second clock. */ 1961 untimeout(sc->sc_tick, sc); 1962 } 1963 1964 if (sc->sc_flags & TULIPF_HAS_MII) { 1965 /* Down the MII. */ 1966 mii_down(&sc->sc_mii); 1967 } 1968 1969 /* Disable interrupts. */ 1970 TULIP_WRITE(sc, CSR_INTEN, 0); 1971 1972 /* Stop the transmit and receive processes. */ 1973 TULIP_WRITE(sc, CSR_OPMODE, 0); 1974 TULIP_WRITE(sc, CSR_RXLIST, 0); 1975 TULIP_WRITE(sc, CSR_TXLIST, 0); 1976 1977 /* 1978 * Release any queued transmit buffers. 1979 */ 1980 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1981 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1982 if (txs->txs_mbuf != NULL) { 1983 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1984 m_freem(txs->txs_mbuf); 1985 txs->txs_mbuf = NULL; 1986 } 1987 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1988 } 1989 1990 if (drain) { 1991 /* 1992 * Release the receive buffers. 1993 */ 1994 tlp_rxdrain(sc); 1995 } 1996 1997 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 1998 1999 /* 2000 * Mark the interface down and cancel the watchdog timer. 2001 */ 2002 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2003 ifp->if_timer = 0; 2004 } 2005 2006 #define SROM_EMIT(sc, x) \ 2007 do { \ 2008 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2009 delay(2); \ 2010 } while (0) 2011 2012 /* 2013 * tlp_srom_idle: 2014 * 2015 * Put the SROM in idle state. 2016 */ 2017 void 2018 tlp_srom_idle(sc) 2019 struct tulip_softc *sc; 2020 { 2021 u_int32_t miirom; 2022 int i; 2023 2024 miirom = MIIROM_SR; 2025 SROM_EMIT(sc, miirom); 2026 2027 miirom |= MIIROM_RD; 2028 SROM_EMIT(sc, miirom); 2029 2030 miirom |= MIIROM_SROMCS; 2031 SROM_EMIT(sc, miirom); 2032 2033 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2034 2035 /* Strobe the clock 32 times. */ 2036 for (i = 0; i < 32; i++) { 2037 SROM_EMIT(sc, miirom); 2038 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2039 } 2040 2041 SROM_EMIT(sc, miirom); 2042 2043 miirom &= ~MIIROM_SROMCS; 2044 SROM_EMIT(sc, miirom); 2045 2046 SROM_EMIT(sc, 0); 2047 } 2048 2049 /* 2050 * tlp_srom_size: 2051 * 2052 * Determine the number of address bits in the SROM. 2053 */ 2054 int 2055 tlp_srom_size(sc) 2056 struct tulip_softc *sc; 2057 { 2058 u_int32_t miirom; 2059 int x; 2060 2061 /* Select the SROM. */ 2062 miirom = MIIROM_SR; 2063 SROM_EMIT(sc, miirom); 2064 2065 miirom |= MIIROM_RD; 2066 SROM_EMIT(sc, miirom); 2067 2068 /* Send CHIP SELECT for one clock tick. */ 2069 miirom |= MIIROM_SROMCS; 2070 SROM_EMIT(sc, miirom); 2071 2072 /* Shift in the READ opcode. */ 2073 for (x = 3; x > 0; x--) { 2074 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2075 miirom |= MIIROM_SROMDI; 2076 else 2077 miirom &= ~MIIROM_SROMDI; 2078 SROM_EMIT(sc, miirom); 2079 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2080 SROM_EMIT(sc, miirom); 2081 } 2082 2083 /* Shift in address and look for dummy 0 bit. */ 2084 for (x = 1; x <= 12; x++) { 2085 miirom &= ~MIIROM_SROMDI; 2086 SROM_EMIT(sc, miirom); 2087 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2088 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2089 break; 2090 SROM_EMIT(sc, miirom); 2091 } 2092 2093 /* Clear CHIP SELECT. */ 2094 miirom &= ~MIIROM_SROMCS; 2095 SROM_EMIT(sc, miirom); 2096 2097 /* Deselect the SROM. */ 2098 SROM_EMIT(sc, 0); 2099 2100 if (x > 12) { 2101 printf("%s: failed to find SROM size\n", sc->sc_dev.dv_xname); 2102 return (0); 2103 } else { 2104 #ifdef TLP_DEBUG 2105 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2106 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2107 #endif 2108 return (x); 2109 } 2110 } 2111 2112 /* 2113 * tlp_read_srom: 2114 * 2115 * Read the Tulip SROM. 2116 */ 2117 int 2118 tlp_read_srom(sc) 2119 struct tulip_softc *sc; 2120 { 2121 int size; 2122 u_int32_t miirom; 2123 u_int16_t datain; 2124 int i, x; 2125 2126 tlp_srom_idle(sc); 2127 2128 sc->sc_srom_addrbits = tlp_srom_size(sc); 2129 if (sc->sc_srom_addrbits == 0) 2130 return (0); 2131 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2132 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2133 2134 /* Select the SROM. */ 2135 miirom = MIIROM_SR; 2136 SROM_EMIT(sc, miirom); 2137 2138 miirom |= MIIROM_RD; 2139 SROM_EMIT(sc, miirom); 2140 2141 for (i = 0; i < size; i += 2) { 2142 /* Send CHIP SELECT for one clock tick. */ 2143 miirom |= MIIROM_SROMCS; 2144 SROM_EMIT(sc, miirom); 2145 2146 /* Shift in the READ opcode. */ 2147 for (x = 3; x > 0; x--) { 2148 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2149 miirom |= MIIROM_SROMDI; 2150 else 2151 miirom &= ~MIIROM_SROMDI; 2152 SROM_EMIT(sc, miirom); 2153 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2154 SROM_EMIT(sc, miirom); 2155 } 2156 2157 /* Shift in address. */ 2158 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2159 if (i & (1 << x)) 2160 miirom |= MIIROM_SROMDI; 2161 else 2162 miirom &= ~MIIROM_SROMDI; 2163 SROM_EMIT(sc, miirom); 2164 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2165 SROM_EMIT(sc, miirom); 2166 } 2167 2168 /* Shift out data. */ 2169 miirom &= ~MIIROM_SROMDI; 2170 datain = 0; 2171 for (x = 16; x > 0; x--) { 2172 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2173 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2174 datain |= (1 << (x - 1)); 2175 SROM_EMIT(sc, miirom); 2176 } 2177 sc->sc_srom[i] = datain & 0xff; 2178 sc->sc_srom[i + 1] = datain >> 8; 2179 2180 /* Clear CHIP SELECT. */ 2181 miirom &= ~MIIROM_SROMCS; 2182 SROM_EMIT(sc, miirom); 2183 } 2184 2185 /* Deselect the SROM. */ 2186 SROM_EMIT(sc, 0); 2187 2188 /* ...and idle it. */ 2189 tlp_srom_idle(sc); 2190 2191 #if 0 2192 printf("SROM CONTENTS:"); 2193 for (i = 0; i < size; i++) { 2194 if ((i % 8) == 0) 2195 printf("\n\t"); 2196 printf("0x%02x ", sc->sc_srom[i]); 2197 } 2198 printf("\n"); 2199 #endif 2200 2201 return (1); 2202 } 2203 2204 #undef SROM_EMIT 2205 2206 /* 2207 * tlp_add_rxbuf: 2208 * 2209 * Add a receive buffer to the indicated descriptor. 2210 */ 2211 int 2212 tlp_add_rxbuf(sc, idx) 2213 struct tulip_softc *sc; 2214 int idx; 2215 { 2216 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2217 struct mbuf *m; 2218 int error; 2219 2220 MGETHDR(m, M_DONTWAIT, MT_DATA); 2221 if (m == NULL) 2222 return (ENOBUFS); 2223 2224 MCLGET(m, M_DONTWAIT); 2225 if ((m->m_flags & M_EXT) == 0) { 2226 m_freem(m); 2227 return (ENOBUFS); 2228 } 2229 2230 if (rxs->rxs_mbuf != NULL) 2231 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2232 2233 rxs->rxs_mbuf = m; 2234 2235 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2236 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2237 if (error) { 2238 printf("%s: can't load rx DMA map %d, error = %d\n", 2239 sc->sc_dev.dv_xname, idx, error); 2240 panic("tlp_add_rxbuf"); /* XXX */ 2241 } 2242 2243 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2244 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2245 2246 TULIP_INIT_RXDESC(sc, idx); 2247 2248 return (0); 2249 } 2250 2251 /* 2252 * tlp_crc32: 2253 * 2254 * Compute the 32-bit CRC of the provided buffer. 2255 */ 2256 u_int32_t 2257 tlp_crc32(buf, len) 2258 const u_int8_t *buf; 2259 size_t len; 2260 { 2261 static const u_int32_t crctab[] = { 2262 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2263 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2264 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2265 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2266 }; 2267 u_int32_t crc; 2268 int i; 2269 2270 crc = 0xffffffff; 2271 for (i = 0; i < len; i++) { 2272 crc ^= buf[i]; 2273 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2274 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2275 } 2276 return (crc); 2277 } 2278 2279 /* 2280 * tlp_srom_crcok: 2281 * 2282 * Check the CRC of the Tulip SROM. 2283 */ 2284 int 2285 tlp_srom_crcok(romdata) 2286 const u_int8_t *romdata; 2287 { 2288 u_int32_t crc; 2289 2290 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM); 2291 crc = (crc & 0xffff) ^ 0xffff; 2292 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2293 return (1); 2294 2295 /* 2296 * Try an alternate checksum. 2297 */ 2298 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2299 crc = (crc & 0xffff) ^ 0xffff; 2300 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2301 return (1); 2302 2303 return (0); 2304 } 2305 2306 /* 2307 * tlp_isv_srom: 2308 * 2309 * Check to see if the SROM is in the new standardized format. 2310 */ 2311 int 2312 tlp_isv_srom(romdata) 2313 const u_int8_t *romdata; 2314 { 2315 int i; 2316 u_int16_t cksum; 2317 2318 if (tlp_srom_crcok(romdata)) { 2319 /* 2320 * SROM CRC checks out; must be in the new format. 2321 */ 2322 return (1); 2323 } 2324 2325 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2326 if (cksum == 0xffff || cksum == 0) { 2327 /* 2328 * No checksum present. Check the SROM ID; 18 bytes of 0 2329 * followed by 1 (version) followed by the number of 2330 * adapters which use this SROM (should be non-zero). 2331 */ 2332 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2333 if (romdata[i] != 0) 2334 return (0); 2335 } 2336 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2337 return (0); 2338 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2339 return (0); 2340 return (1); 2341 } 2342 2343 return (0); 2344 } 2345 2346 /* 2347 * tlp_isv_srom_enaddr: 2348 * 2349 * Get the Ethernet address from an ISV SROM. 2350 */ 2351 int 2352 tlp_isv_srom_enaddr(sc, enaddr) 2353 struct tulip_softc *sc; 2354 u_int8_t *enaddr; 2355 { 2356 int i, devcnt; 2357 2358 if (tlp_isv_srom(sc->sc_srom) == 0) 2359 return (0); 2360 2361 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2362 for (i = 0; i < devcnt; i++) { 2363 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2364 break; 2365 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2366 sc->sc_devno) 2367 break; 2368 } 2369 2370 if (i == devcnt) 2371 return (0); 2372 2373 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2374 ETHER_ADDR_LEN); 2375 enaddr[5] += i; 2376 2377 return (1); 2378 } 2379 2380 /* 2381 * tlp_parse_old_srom: 2382 * 2383 * Parse old-format SROMs. 2384 * 2385 * This routine is largely lifted from Matt Thomas's `de' driver. 2386 */ 2387 int 2388 tlp_parse_old_srom(sc, enaddr) 2389 struct tulip_softc *sc; 2390 u_int8_t *enaddr; 2391 { 2392 static const u_int8_t testpat[] = 2393 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2394 int i; 2395 u_int32_t cksum; 2396 2397 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2398 /* 2399 * Some vendors (e.g. ZNYX) don't use the standard 2400 * DEC Address ROM format, but rather just have an 2401 * Ethernet address in the first 6 bytes, maybe a 2402 * 2 byte checksum, and then all 0xff's. 2403 * 2404 * On the other hand, Cobalt Networks interfaces 2405 * simply have the address in the first six bytes 2406 * with the rest zeroed out. 2407 */ 2408 for (i = 8; i < 32; i++) { 2409 if (sc->sc_srom[i] != 0xff && 2410 sc->sc_srom[i] != 0) 2411 return (0); 2412 } 2413 2414 /* 2415 * Sanity check the Ethernet address: 2416 * 2417 * - Make sure it's not multicast or locally 2418 * assigned 2419 * - Make sure it has a non-0 OUI 2420 */ 2421 if (sc->sc_srom[0] & 3) 2422 return (0); 2423 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2424 sc->sc_srom[2] == 0) 2425 return (0); 2426 2427 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2428 return (1); 2429 } 2430 2431 /* 2432 * Standard DEC Address ROM test. 2433 */ 2434 2435 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2436 return (0); 2437 2438 for (i = 0; i < 8; i++) { 2439 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2440 return (0); 2441 } 2442 2443 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2444 2445 cksum = *(u_int16_t *) &enaddr[0]; 2446 2447 cksum <<= 1; 2448 if (cksum > 0xffff) 2449 cksum -= 0xffff; 2450 2451 cksum += *(u_int16_t *) &enaddr[2]; 2452 if (cksum > 0xffff) 2453 cksum -= 0xffff; 2454 2455 cksum <<= 1; 2456 if (cksum > 0xffff) 2457 cksum -= 0xffff; 2458 2459 cksum += *(u_int16_t *) &enaddr[4]; 2460 if (cksum >= 0xffff) 2461 cksum -= 0xffff; 2462 2463 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2464 return (0); 2465 2466 return (1); 2467 } 2468 2469 /* 2470 * tlp_filter_setup: 2471 * 2472 * Set the Tulip's receive filter. 2473 */ 2474 void 2475 tlp_filter_setup(sc) 2476 struct tulip_softc *sc; 2477 { 2478 struct ethercom *ec = &sc->sc_ethercom; 2479 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2480 struct ether_multi *enm; 2481 struct ether_multistep step; 2482 __volatile u_int32_t *sp; 2483 struct tulip_txsoft *txs; 2484 u_int8_t enaddr[ETHER_ADDR_LEN]; 2485 u_int32_t hash, hashsize; 2486 int cnt; 2487 2488 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2489 sc->sc_dev.dv_xname, sc->sc_flags)); 2490 2491 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2492 2493 /* 2494 * If there are transmissions pending, wait until they have 2495 * completed. 2496 */ 2497 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2498 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2499 sc->sc_flags |= TULIPF_WANT_SETUP; 2500 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2501 sc->sc_dev.dv_xname)); 2502 return; 2503 } 2504 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2505 2506 switch (sc->sc_chip) { 2507 case TULIP_CHIP_82C115: 2508 hashsize = TULIP_PNICII_HASHSIZE; 2509 break; 2510 2511 default: 2512 hashsize = TULIP_MCHASHSIZE; 2513 } 2514 2515 /* 2516 * If we're running, idle the transmit and receive engines. If 2517 * we're NOT running, we're being called from tlp_init(), and our 2518 * writing OPMODE will start the transmit and receive processes 2519 * in motion. 2520 */ 2521 if (ifp->if_flags & IFF_RUNNING) { 2522 /* 2523 * Actually, some chips seem to need a really hard 2524 * kick in the head for this to work. The genuine 2525 * DEC chips can just be idled, but some of the 2526 * clones seem to REALLY want a reset here. Doing 2527 * the reset will end up here again, but with 2528 * IFF_RUNNING cleared. 2529 */ 2530 switch (sc->sc_chip) { 2531 case TULIP_CHIP_82C168: 2532 case TULIP_CHIP_82C169: 2533 tlp_init(sc); 2534 return; 2535 2536 default: 2537 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2538 } 2539 } 2540 2541 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2542 2543 if (ifp->if_flags & IFF_PROMISC) { 2544 sc->sc_opmode |= OPMODE_PR; 2545 goto allmulti; 2546 } 2547 2548 /* 2549 * Try Perfect filtering first. 2550 */ 2551 2552 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2553 sp = TULIP_CDSP(sc); 2554 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2555 cnt = 0; 2556 ETHER_FIRST_MULTI(step, ec, enm); 2557 while (enm != NULL) { 2558 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2559 /* 2560 * We must listen to a range of multicast addresses. 2561 * For now, just accept all multicasts, rather than 2562 * trying to set only those filter bits needed to match 2563 * the range. (At this time, the only use of address 2564 * ranges is for IP multicast routing, for which the 2565 * range is big enough to require all bits set.) 2566 */ 2567 goto allmulti; 2568 } 2569 if (cnt == (TULIP_MAXADDRS - 2)) { 2570 /* 2571 * We already have our multicast limit (still need 2572 * our station address and broadcast). Go to 2573 * Hash-Perfect mode. 2574 */ 2575 goto hashperfect; 2576 } 2577 cnt++; 2578 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2579 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2580 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2581 ETHER_NEXT_MULTI(step, enm); 2582 } 2583 2584 if (ifp->if_flags & IFF_BROADCAST) { 2585 /* ...and the broadcast address. */ 2586 cnt++; 2587 *sp++ = TULIP_SP_FIELD_C(0xffff); 2588 *sp++ = TULIP_SP_FIELD_C(0xffff); 2589 *sp++ = TULIP_SP_FIELD_C(0xffff); 2590 } 2591 2592 /* Pad the rest with our station address. */ 2593 for (; cnt < TULIP_MAXADDRS; cnt++) { 2594 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2595 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2596 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2597 } 2598 ifp->if_flags &= ~IFF_ALLMULTI; 2599 goto setit; 2600 2601 hashperfect: 2602 /* 2603 * Try Hash-Perfect mode. 2604 */ 2605 2606 /* 2607 * Some 21140 chips have broken Hash-Perfect modes. On these 2608 * chips, we simply use Hash-Only mode, and put our station 2609 * address into the filter. 2610 */ 2611 if (sc->sc_chip == TULIP_CHIP_21140) 2612 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2613 else 2614 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2615 sp = TULIP_CDSP(sc); 2616 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2617 ETHER_FIRST_MULTI(step, ec, enm); 2618 while (enm != NULL) { 2619 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2620 /* 2621 * We must listen to a range of multicast addresses. 2622 * For now, just accept all multicasts, rather than 2623 * trying to set only those filter bits needed to match 2624 * the range. (At this time, the only use of address 2625 * ranges is for IP multicast routing, for which the 2626 * range is big enough to require all bits set.) 2627 */ 2628 goto allmulti; 2629 } 2630 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2631 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2632 ETHER_NEXT_MULTI(step, enm); 2633 } 2634 2635 if (ifp->if_flags & IFF_BROADCAST) { 2636 /* ...and the broadcast address. */ 2637 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2638 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2639 } 2640 2641 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2642 /* ...and our station address. */ 2643 hash = tlp_mchash(enaddr, hashsize); 2644 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2645 } else { 2646 /* 2647 * Hash-Perfect mode; put our station address after 2648 * the hash table. 2649 */ 2650 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2651 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2652 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2653 } 2654 ifp->if_flags &= ~IFF_ALLMULTI; 2655 goto setit; 2656 2657 allmulti: 2658 /* 2659 * Use Perfect filter mode. First address is the broadcast address, 2660 * and pad the rest with our station address. We'll set Pass-all- 2661 * multicast in OPMODE below. 2662 */ 2663 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2664 sp = TULIP_CDSP(sc); 2665 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2666 cnt = 0; 2667 if (ifp->if_flags & IFF_BROADCAST) { 2668 cnt++; 2669 *sp++ = TULIP_SP_FIELD_C(0xffff); 2670 *sp++ = TULIP_SP_FIELD_C(0xffff); 2671 *sp++ = TULIP_SP_FIELD_C(0xffff); 2672 } 2673 for (; cnt < TULIP_MAXADDRS; cnt++) { 2674 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2675 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2676 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2677 } 2678 ifp->if_flags |= IFF_ALLMULTI; 2679 2680 setit: 2681 if (ifp->if_flags & IFF_ALLMULTI) 2682 sc->sc_opmode |= OPMODE_PM; 2683 2684 /* Sync the setup packet buffer. */ 2685 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2686 2687 /* 2688 * Fill in the setup packet descriptor. 2689 */ 2690 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2691 2692 txs->txs_firstdesc = sc->sc_txnext; 2693 txs->txs_lastdesc = sc->sc_txnext; 2694 txs->txs_ndescs = 1; 2695 txs->txs_mbuf = NULL; 2696 2697 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2698 htole32(TULIP_CDSPADDR(sc)); 2699 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2700 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2701 sc->sc_filtmode | TDCTL_Tx_SET | TDCTL_Tx_FS | 2702 TDCTL_Tx_LS | TDCTL_Tx_IC | sc->sc_tdctl_ch | 2703 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2704 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2705 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2706 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2707 2708 /* Advance the tx pointer. */ 2709 sc->sc_txfree -= 1; 2710 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2711 2712 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2713 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2714 2715 /* 2716 * Set the OPMODE register. This will also resume the 2717 * transmit transmit process we idled above. 2718 */ 2719 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2720 2721 sc->sc_flags |= TULIPF_DOING_SETUP; 2722 2723 /* 2724 * Kick the transmitter; this will cause the Tulip to 2725 * read the setup descriptor. 2726 */ 2727 /* XXX USE AUTOPOLLING? */ 2728 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2729 2730 /* Set up a watchdog timer in case the chip flakes out. */ 2731 ifp->if_timer = 5; 2732 2733 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2734 } 2735 2736 /* 2737 * tlp_winb_filter_setup: 2738 * 2739 * Set the Winbond 89C840F's receive filter. 2740 */ 2741 void 2742 tlp_winb_filter_setup(sc) 2743 struct tulip_softc *sc; 2744 { 2745 struct ethercom *ec = &sc->sc_ethercom; 2746 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2747 struct ether_multi *enm; 2748 struct ether_multistep step; 2749 u_int32_t hash, mchash[2]; 2750 2751 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2752 sc->sc_dev.dv_xname, sc->sc_flags)); 2753 2754 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2755 2756 if (ifp->if_flags & IFF_MULTICAST) 2757 sc->sc_opmode |= OPMODE_WINB_AMP; 2758 2759 if (ifp->if_flags & IFF_BROADCAST) 2760 sc->sc_opmode |= OPMODE_WINB_ABP; 2761 2762 if (ifp->if_flags & IFF_PROMISC) { 2763 sc->sc_opmode |= OPMODE_WINB_APP; 2764 goto allmulti; 2765 } 2766 2767 mchash[0] = mchash[1] = 0; 2768 2769 ETHER_FIRST_MULTI(step, ec, enm); 2770 while (enm != NULL) { 2771 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2772 /* 2773 * We must listen to a range of multicast addresses. 2774 * For now, just accept all multicasts, rather than 2775 * trying to set only those filter bits needed to match 2776 * the range. (At this time, the only use of address 2777 * ranges is for IP multicast routing, for which the 2778 * range is big enough to require all bits set.) 2779 */ 2780 goto allmulti; 2781 } 2782 2783 /* 2784 * According to the FreeBSD `wb' driver, yes, you 2785 * really do invert the hash. 2786 */ 2787 hash = (~(tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2788 & 0x3f; 2789 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2790 ETHER_NEXT_MULTI(step, enm); 2791 } 2792 ifp->if_flags &= ~IFF_ALLMULTI; 2793 goto setit; 2794 2795 allmulti: 2796 ifp->if_flags |= IFF_ALLMULTI; 2797 mchash[0] = mchash[1] = 0xffffffff; 2798 2799 setit: 2800 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2801 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2802 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2803 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2804 sc->sc_dev.dv_xname)); 2805 } 2806 2807 /* 2808 * tlp_al981_filter_setup: 2809 * 2810 * Set the ADMtek AL981's receive filter. 2811 */ 2812 void 2813 tlp_al981_filter_setup(sc) 2814 struct tulip_softc *sc; 2815 { 2816 struct ethercom *ec = &sc->sc_ethercom; 2817 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2818 struct ether_multi *enm; 2819 struct ether_multistep step; 2820 u_int32_t hash, mchash[2]; 2821 2822 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2823 sc->sc_dev.dv_xname, sc->sc_flags)); 2824 2825 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2826 2827 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2828 2829 if (ifp->if_flags & IFF_PROMISC) { 2830 sc->sc_opmode |= OPMODE_PR; 2831 goto allmulti; 2832 } 2833 2834 mchash[0] = mchash[1] = 0; 2835 2836 ETHER_FIRST_MULTI(step, ec, enm); 2837 while (enm != NULL) { 2838 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2839 /* 2840 * We must listen to a range of multicast addresses. 2841 * For now, just accept all multicasts, rather than 2842 * trying to set only those filter bits needed to match 2843 * the range. (At this time, the only use of address 2844 * ranges is for IP multicast routing, for which the 2845 * range is big enough to require all bits set.) 2846 */ 2847 goto allmulti; 2848 } 2849 2850 hash = (tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 2851 & 0x3f; 2852 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2853 ETHER_NEXT_MULTI(step, enm); 2854 } 2855 ifp->if_flags &= ~IFF_ALLMULTI; 2856 goto setit; 2857 2858 allmulti: 2859 ifp->if_flags |= IFF_ALLMULTI; 2860 mchash[0] = mchash[1] = 0xffffffff; 2861 2862 setit: 2863 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2864 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2865 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2866 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2867 sc->sc_dev.dv_xname)); 2868 } 2869 2870 /* 2871 * tlp_idle: 2872 * 2873 * Cause the transmit and/or receive processes to go idle. 2874 */ 2875 void 2876 tlp_idle(sc, bits) 2877 struct tulip_softc *sc; 2878 u_int32_t bits; 2879 { 2880 static const char *tx_state_names[] = { 2881 "STOPPED", 2882 "RUNNING - FETCH", 2883 "RUNNING - WAIT", 2884 "RUNNING - READING", 2885 "-- RESERVED --", 2886 "RUNNING - SETUP", 2887 "SUSPENDED", 2888 "RUNNING - CLOSE", 2889 }; 2890 static const char *rx_state_names[] = { 2891 "STOPPED", 2892 "RUNNING - FETCH", 2893 "RUNNING - CHECK", 2894 "RUNNING - WAIT", 2895 "SUSPENDED", 2896 "RUNNING - CLOSE", 2897 "RUNNING - FLUSH", 2898 "RUNNING - QUEUE", 2899 }; 2900 u_int32_t csr, ackmask = 0; 2901 int i; 2902 2903 if (bits & OPMODE_ST) 2904 ackmask |= STATUS_TPS; 2905 2906 if (bits & OPMODE_SR) 2907 ackmask |= STATUS_RPS; 2908 2909 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2910 2911 for (i = 0; i < 1000; i++) { 2912 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2913 break; 2914 delay(10); 2915 } 2916 2917 csr = TULIP_READ(sc, CSR_STATUS); 2918 if ((csr & ackmask) != ackmask) { 2919 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2920 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2921 printf("%s: transmit process failed to idle: " 2922 "state %s\n", sc->sc_dev.dv_xname, 2923 tx_state_names[(csr & STATUS_TS) >> 20]); 2924 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2925 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2926 printf("%s: receive process failed to idle: " 2927 "state %s\n", sc->sc_dev.dv_xname, 2928 rx_state_names[(csr & STATUS_RS) >> 17]); 2929 } 2930 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2931 } 2932 2933 /***************************************************************************** 2934 * Generic media support functions. 2935 *****************************************************************************/ 2936 2937 /* 2938 * tlp_mediastatus: [ifmedia interface function] 2939 * 2940 * Query the current media. 2941 */ 2942 void 2943 tlp_mediastatus(ifp, ifmr) 2944 struct ifnet *ifp; 2945 struct ifmediareq *ifmr; 2946 { 2947 struct tulip_softc *sc = ifp->if_softc; 2948 2949 if (TULIP_IS_ENABLED(sc) == 0) { 2950 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 2951 ifmr->ifm_status = 0; 2952 return; 2953 } 2954 2955 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 2956 } 2957 2958 /* 2959 * tlp_mediachange: [ifmedia interface function] 2960 * 2961 * Update the current media. 2962 */ 2963 int 2964 tlp_mediachange(ifp) 2965 struct ifnet *ifp; 2966 { 2967 struct tulip_softc *sc = ifp->if_softc; 2968 2969 return ((*sc->sc_mediasw->tmsw_set)(sc)); 2970 } 2971 2972 /***************************************************************************** 2973 * Support functions for MII-attached media. 2974 *****************************************************************************/ 2975 2976 /* 2977 * tlp_mii_tick: 2978 * 2979 * One second timer, used to tick the MII. 2980 */ 2981 void 2982 tlp_mii_tick(arg) 2983 void *arg; 2984 { 2985 struct tulip_softc *sc = arg; 2986 int s; 2987 2988 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 2989 return; 2990 2991 s = splnet(); 2992 mii_tick(&sc->sc_mii); 2993 splx(s); 2994 2995 timeout(sc->sc_tick, sc, hz); 2996 } 2997 2998 /* 2999 * tlp_mii_statchg: [mii interface function] 3000 * 3001 * Callback from PHY when media changes. 3002 */ 3003 void 3004 tlp_mii_statchg(self) 3005 struct device *self; 3006 { 3007 struct tulip_softc *sc = (struct tulip_softc *)self; 3008 3009 /* Idle the transmit and receive processes. */ 3010 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3011 3012 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3013 3014 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3015 sc->sc_opmode |= OPMODE_TTM; 3016 else 3017 sc->sc_opmode |= OPMODE_HBD; 3018 3019 if (sc->sc_mii.mii_media_active & IFM_FDX) 3020 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3021 3022 /* 3023 * Write new OPMODE bits. This also restarts the transmit 3024 * and receive processes. 3025 */ 3026 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3027 } 3028 3029 /* 3030 * tlp_winb_mii_statchg: [mii interface function] 3031 * 3032 * Callback from PHY when media changes. This version is 3033 * for the Winbond 89C840F, which has different OPMODE bits. 3034 */ 3035 void 3036 tlp_winb_mii_statchg(self) 3037 struct device *self; 3038 { 3039 struct tulip_softc *sc = (struct tulip_softc *)self; 3040 3041 /* Idle the transmit and receive processes. */ 3042 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3043 3044 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3045 3046 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3047 sc->sc_opmode |= OPMODE_WINB_FES; 3048 3049 if (sc->sc_mii.mii_media_active & IFM_FDX) 3050 sc->sc_opmode |= OPMODE_FD; 3051 3052 /* 3053 * Write new OPMODE bits. This also restarts the transmit 3054 * and receive processes. 3055 */ 3056 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3057 } 3058 3059 /* 3060 * tlp_mii_getmedia: 3061 * 3062 * Callback from ifmedia to request current media status. 3063 */ 3064 void 3065 tlp_mii_getmedia(sc, ifmr) 3066 struct tulip_softc *sc; 3067 struct ifmediareq *ifmr; 3068 { 3069 3070 mii_pollstat(&sc->sc_mii); 3071 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3072 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3073 } 3074 3075 /* 3076 * tlp_mii_setmedia: 3077 * 3078 * Callback from ifmedia to request new media setting. 3079 */ 3080 int 3081 tlp_mii_setmedia(sc) 3082 struct tulip_softc *sc; 3083 { 3084 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3085 3086 if (ifp->if_flags & IFF_UP) 3087 mii_mediachg(&sc->sc_mii); 3088 return (0); 3089 } 3090 3091 /* 3092 * tlp_bitbang_mii_readreg: 3093 * 3094 * Read a PHY register via bit-bang'ing the MII. 3095 */ 3096 int 3097 tlp_bitbang_mii_readreg(self, phy, reg) 3098 struct device *self; 3099 int phy, reg; 3100 { 3101 struct tulip_softc *sc = (void *) self; 3102 3103 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3104 } 3105 3106 /* 3107 * tlp_bitbang_mii_writereg: 3108 * 3109 * Write a PHY register via bit-bang'ing the MII. 3110 */ 3111 void 3112 tlp_bitbang_mii_writereg(self, phy, reg, val) 3113 struct device *self; 3114 int phy, reg, val; 3115 { 3116 struct tulip_softc *sc = (void *) self; 3117 3118 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3119 } 3120 3121 /* 3122 * tlp_sio_mii_bitbang_read: 3123 * 3124 * Read the MII serial port for the MII bit-bang module. 3125 */ 3126 u_int32_t 3127 tlp_sio_mii_bitbang_read(self) 3128 struct device *self; 3129 { 3130 struct tulip_softc *sc = (void *) self; 3131 3132 return (TULIP_READ(sc, CSR_MIIROM)); 3133 } 3134 3135 /* 3136 * tlp_sio_mii_bitbang_write: 3137 * 3138 * Write the MII serial port for the MII bit-bang module. 3139 */ 3140 void 3141 tlp_sio_mii_bitbang_write(self, val) 3142 struct device *self; 3143 u_int32_t val; 3144 { 3145 struct tulip_softc *sc = (void *) self; 3146 3147 TULIP_WRITE(sc, CSR_MIIROM, val); 3148 } 3149 3150 /* 3151 * tlp_pnic_mii_readreg: 3152 * 3153 * Read a PHY register on the Lite-On PNIC. 3154 */ 3155 int 3156 tlp_pnic_mii_readreg(self, phy, reg) 3157 struct device *self; 3158 int phy, reg; 3159 { 3160 struct tulip_softc *sc = (void *) self; 3161 u_int32_t val; 3162 int i; 3163 3164 TULIP_WRITE(sc, CSR_PNIC_MII, 3165 PNIC_MII_MBO | PNIC_MII_RESERVED | 3166 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3167 (reg << PNIC_MII_REGSHIFT)); 3168 3169 for (i = 0; i < 1000; i++) { 3170 delay(10); 3171 val = TULIP_READ(sc, CSR_PNIC_MII); 3172 if ((val & PNIC_MII_BUSY) == 0) { 3173 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3174 return (0); 3175 else 3176 return (val & PNIC_MII_DATA); 3177 } 3178 } 3179 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3180 return (0); 3181 } 3182 3183 /* 3184 * tlp_pnic_mii_writereg: 3185 * 3186 * Write a PHY register on the Lite-On PNIC. 3187 */ 3188 void 3189 tlp_pnic_mii_writereg(self, phy, reg, val) 3190 struct device *self; 3191 int phy, reg, val; 3192 { 3193 struct tulip_softc *sc = (void *) self; 3194 int i; 3195 3196 TULIP_WRITE(sc, CSR_PNIC_MII, 3197 PNIC_MII_MBO | PNIC_MII_RESERVED | 3198 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3199 (reg << PNIC_MII_REGSHIFT) | val); 3200 3201 for (i = 0; i < 1000; i++) { 3202 delay(10); 3203 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3204 return; 3205 } 3206 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3207 } 3208 3209 const bus_addr_t tlp_al981_phy_regmap[] = { 3210 CSR_ADM_BMCR, 3211 CSR_ADM_BMSR, 3212 CSR_ADM_PHYIDR1, 3213 CSR_ADM_PHYIDR2, 3214 CSR_ADM_ANAR, 3215 CSR_ADM_ANLPAR, 3216 CSR_ADM_ANER, 3217 3218 CSR_ADM_XMC, 3219 CSR_ADM_XCIIS, 3220 CSR_ADM_XIE, 3221 CSR_ADM_100CTR, 3222 }; 3223 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3224 sizeof(tlp_al981_phy_regmap[0]); 3225 3226 /* 3227 * tlp_al981_mii_readreg: 3228 * 3229 * Read a PHY register on the ADMtek AL981. 3230 */ 3231 int 3232 tlp_al981_mii_readreg(self, phy, reg) 3233 struct device *self; 3234 int phy, reg; 3235 { 3236 struct tulip_softc *sc = (struct tulip_softc *)self; 3237 3238 /* AL981 only has an internal PHY. */ 3239 if (phy != 0) 3240 return (0); 3241 3242 if (reg >= tlp_al981_phy_regmap_size) 3243 return (0); 3244 3245 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3246 tlp_al981_phy_regmap[reg]) & 0xffff); 3247 } 3248 3249 /* 3250 * tlp_al981_mii_writereg: 3251 * 3252 * Write a PHY register on the ADMtek AL981. 3253 */ 3254 void 3255 tlp_al981_mii_writereg(self, phy, reg, val) 3256 struct device *self; 3257 int phy, reg, val; 3258 { 3259 struct tulip_softc *sc = (struct tulip_softc *)self; 3260 3261 /* AL981 only has an internal PHY. */ 3262 if (phy != 0) 3263 return; 3264 3265 if (reg >= tlp_al981_phy_regmap_size) 3266 return; 3267 3268 bus_space_write_4(sc->sc_st, sc->sc_sh, 3269 tlp_al981_phy_regmap[reg], val); 3270 } 3271 3272 /***************************************************************************** 3273 * Chip-specific pre-init and reset functions. 3274 *****************************************************************************/ 3275 3276 /* 3277 * tlp_2114x_preinit: 3278 * 3279 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3280 */ 3281 void 3282 tlp_2114x_preinit(sc) 3283 struct tulip_softc *sc; 3284 { 3285 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3286 struct tulip_21x4x_media *tm = ife->ifm_aux; 3287 3288 /* 3289 * Whether or not we're in MII or SIA/SYM mode, the media info 3290 * contains the appropriate OPMODE bits. 3291 * 3292 * Note that if we have no media info, we are are doing 3293 * non-MII `auto'. 3294 * 3295 * Also, we always set the Must-Be-One bit. 3296 */ 3297 if (tm == NULL) { 3298 #ifdef DIAGNOSTIC 3299 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3300 panic("tlp_2114x_preinit: not IFM_AUTO"); 3301 if (sc->sc_nway_active == NULL) 3302 panic("tlp_2114x_preinit: nway_active NULL"); 3303 #endif 3304 tm = sc->sc_nway_active->ifm_aux; 3305 } 3306 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3307 3308 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3309 } 3310 3311 /* 3312 * tlp_2114x_mii_preinit: 3313 * 3314 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3315 * This version is used by boards which only have MII and don't have 3316 * an ISV SROM. 3317 */ 3318 void 3319 tlp_2114x_mii_preinit(sc) 3320 struct tulip_softc *sc; 3321 { 3322 3323 /* 3324 * Always set the Must-Be-One bit, and Port Select (to select MII). 3325 * We'll never be called during a media change. 3326 */ 3327 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3328 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3329 } 3330 3331 /* 3332 * tlp_pnic_preinit: 3333 * 3334 * Pre-init function for the Lite-On 82c168 and 82c169. 3335 */ 3336 void 3337 tlp_pnic_preinit(sc) 3338 struct tulip_softc *sc; 3339 { 3340 3341 if (sc->sc_flags & TULIPF_HAS_MII) { 3342 /* 3343 * MII case: just set the port-select bit; we will never 3344 * be called during a media change. 3345 */ 3346 sc->sc_opmode |= OPMODE_PS; 3347 } else { 3348 /* 3349 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3350 */ 3351 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3352 } 3353 } 3354 3355 /* 3356 * tlp_21140_reset: 3357 * 3358 * Issue a reset sequence on the 21140 via the GPIO facility. 3359 */ 3360 void 3361 tlp_21140_reset(sc) 3362 struct tulip_softc *sc; 3363 { 3364 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3365 struct tulip_21x4x_media *tm = ife->ifm_aux; 3366 int i; 3367 3368 /* First, set the direction on the GPIO pins. */ 3369 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3370 3371 /* Now, issue the reset sequence. */ 3372 for (i = 0; i < tm->tm_reset_length; i++) { 3373 delay(10); 3374 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3375 } 3376 3377 /* Now, issue the selection sequence. */ 3378 for (i = 0; i < tm->tm_gp_length; i++) { 3379 delay(10); 3380 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3381 } 3382 3383 /* If there were no sequences, just lower the pins. */ 3384 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3385 TULIP_WRITE(sc, CSR_GPP, 0); 3386 } 3387 3388 /* 3389 * tlp_21142_reset: 3390 * 3391 * Issue a reset sequence on the 21142 via the GPIO facility. 3392 */ 3393 void 3394 tlp_21142_reset(sc) 3395 struct tulip_softc *sc; 3396 { 3397 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3398 struct tulip_21x4x_media *tm = ife->ifm_aux; 3399 const u_int8_t *ncp; 3400 int i; 3401 3402 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3403 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3404 delay(10); 3405 TULIP_WRITE(sc, CSR_SIAGEN, 3406 TULIP_ROM_GETW(ncp, 0) << 16); 3407 } 3408 3409 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3410 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3411 delay(10); 3412 TULIP_WRITE(sc, CSR_SIAGEN, 3413 TULIP_ROM_GETW(ncp, 0) << 16); 3414 } 3415 3416 /* If there were no sequences, just lower the pins. */ 3417 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3418 delay(10); 3419 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3420 } 3421 } 3422 3423 /* 3424 * tlp_pmac_reset: 3425 * 3426 * Reset routine for Macronix chips. 3427 */ 3428 void 3429 tlp_pmac_reset(sc) 3430 struct tulip_softc *sc; 3431 { 3432 3433 switch (sc->sc_chip) { 3434 case TULIP_CHIP_82C115: 3435 case TULIP_CHIP_MX98715: 3436 case TULIP_CHIP_MX98715A: 3437 case TULIP_CHIP_MX98725: 3438 /* 3439 * Set the LED operating mode. This information is located 3440 * in the EEPROM at byte offset 0x77, per the MX98715A and 3441 * MX98725 application notes. 3442 */ 3443 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3444 break; 3445 3446 default: 3447 /* Nothing. */ 3448 } 3449 } 3450 3451 /***************************************************************************** 3452 * Chip/board-specific media switches. The ones here are ones that 3453 * are potentially common to multiple front-ends. 3454 *****************************************************************************/ 3455 3456 /* 3457 * This table is a common place for all sorts of media information, 3458 * keyed off of the SROM media code for that media. 3459 * 3460 * Note that we explicitly configure the 21142/21143 to always advertise 3461 * NWay capabilities when using the UTP port. 3462 * XXX Actually, we don't yet. 3463 */ 3464 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3465 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3466 "10baseT", 3467 0, 3468 { SIACONN_21040_10BASET, 3469 SIATXRX_21040_10BASET, 3470 SIAGEN_21040_10BASET }, 3471 3472 { SIACONN_21041_10BASET, 3473 SIATXRX_21041_10BASET, 3474 SIAGEN_21041_10BASET }, 3475 3476 { SIACONN_21142_10BASET, 3477 SIATXRX_21142_10BASET, 3478 SIAGEN_21142_10BASET } }, 3479 3480 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3481 "10base2", 3482 0, 3483 { 0, 3484 0, 3485 0 }, 3486 3487 { SIACONN_21041_BNC, 3488 SIATXRX_21041_BNC, 3489 SIAGEN_21041_BNC }, 3490 3491 { SIACONN_21142_BNC, 3492 SIATXRX_21142_BNC, 3493 SIAGEN_21142_BNC } }, 3494 3495 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3496 "10base5", 3497 0, 3498 { SIACONN_21040_AUI, 3499 SIATXRX_21040_AUI, 3500 SIAGEN_21040_AUI }, 3501 3502 { SIACONN_21041_AUI, 3503 SIATXRX_21041_AUI, 3504 SIAGEN_21041_AUI }, 3505 3506 { SIACONN_21142_AUI, 3507 SIATXRX_21142_AUI, 3508 SIAGEN_21142_AUI } }, 3509 3510 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3511 "100baseTX", 3512 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3513 { 0, 3514 0, 3515 0 }, 3516 3517 { 0, 3518 0, 3519 0 }, 3520 3521 { 0, 3522 0, 3523 SIAGEN_ABM } }, 3524 3525 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3526 "10baseT-FDX", 3527 OPMODE_FD|OPMODE_HBD, 3528 { SIACONN_21040_10BASET_FDX, 3529 SIATXRX_21040_10BASET_FDX, 3530 SIAGEN_21040_10BASET_FDX }, 3531 3532 { SIACONN_21041_10BASET_FDX, 3533 SIATXRX_21041_10BASET_FDX, 3534 SIAGEN_21041_10BASET_FDX }, 3535 3536 { SIACONN_21142_10BASET_FDX, 3537 SIATXRX_21142_10BASET_FDX, 3538 SIAGEN_21142_10BASET_FDX } }, 3539 3540 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3541 "100baseTX-FDX", 3542 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3543 { 0, 3544 0, 3545 0 }, 3546 3547 { 0, 3548 0, 3549 0 }, 3550 3551 { 0, 3552 0, 3553 SIAGEN_ABM } }, 3554 3555 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3556 "100baseT4", 3557 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3558 { 0, 3559 0, 3560 0 }, 3561 3562 { 0, 3563 0, 3564 0 }, 3565 3566 { 0, 3567 0, 3568 SIAGEN_ABM } }, 3569 3570 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3571 "100baseFX", 3572 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3573 { 0, 3574 0, 3575 0 }, 3576 3577 { 0, 3578 0, 3579 0 }, 3580 3581 { 0, 3582 0, 3583 SIAGEN_ABM } }, 3584 3585 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3586 "100baseFX-FDX", 3587 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3588 { 0, 3589 0, 3590 0 }, 3591 3592 { 0, 3593 0, 3594 0 }, 3595 3596 { 0, 3597 0, 3598 SIAGEN_ABM } }, 3599 3600 { 0, 0, 0, 3601 NULL, 3602 0, 3603 { 0, 3604 0, 3605 0 }, 3606 3607 { 0, 3608 0, 3609 0 }, 3610 3611 { 0, 3612 0, 3613 0 } }, 3614 }; 3615 3616 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3617 void tlp_srom_media_info __P((struct tulip_softc *, 3618 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3619 void tlp_add_srom_media __P((struct tulip_softc *, int, 3620 void (*)(struct tulip_softc *, struct ifmediareq *), 3621 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3622 void tlp_print_media __P((struct tulip_softc *)); 3623 void tlp_nway_activate __P((struct tulip_softc *, int)); 3624 void tlp_get_minst __P((struct tulip_softc *)); 3625 3626 const struct tulip_srom_to_ifmedia * 3627 tlp_srom_to_ifmedia(sm) 3628 u_int8_t sm; 3629 { 3630 const struct tulip_srom_to_ifmedia *tsti; 3631 3632 for (tsti = tulip_srom_to_ifmedia_table; 3633 tsti->tsti_name != NULL; tsti++) { 3634 if (tsti->tsti_srom == sm) 3635 return (tsti); 3636 } 3637 3638 return (NULL); 3639 } 3640 3641 void 3642 tlp_srom_media_info(sc, tsti, tm) 3643 struct tulip_softc *sc; 3644 const struct tulip_srom_to_ifmedia *tsti; 3645 struct tulip_21x4x_media *tm; 3646 { 3647 3648 tm->tm_name = tsti->tsti_name; 3649 tm->tm_opmode = tsti->tsti_opmode; 3650 3651 switch (sc->sc_chip) { 3652 case TULIP_CHIP_DE425: 3653 case TULIP_CHIP_21040: 3654 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3655 break; 3656 3657 case TULIP_CHIP_21041: 3658 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3659 break; 3660 3661 case TULIP_CHIP_21142: 3662 case TULIP_CHIP_21143: 3663 case TULIP_CHIP_82C115: 3664 case TULIP_CHIP_MX98715: 3665 case TULIP_CHIP_MX98715A: 3666 case TULIP_CHIP_MX98725: 3667 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3668 break; 3669 3670 default: 3671 /* Nothing. */ 3672 } 3673 } 3674 3675 void 3676 tlp_add_srom_media(sc, type, get, set, list, cnt) 3677 struct tulip_softc *sc; 3678 int type; 3679 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3680 int (*set) __P((struct tulip_softc *)); 3681 const u_int8_t *list; 3682 int cnt; 3683 { 3684 struct tulip_21x4x_media *tm; 3685 const struct tulip_srom_to_ifmedia *tsti; 3686 int i; 3687 3688 for (i = 0; i < cnt; i++) { 3689 tsti = tlp_srom_to_ifmedia(list[i]); 3690 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3691 memset(tm, 0, sizeof(*tm)); 3692 tlp_srom_media_info(sc, tsti, tm); 3693 tm->tm_type = type; 3694 tm->tm_get = get; 3695 tm->tm_set = set; 3696 3697 ifmedia_add(&sc->sc_mii.mii_media, 3698 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3699 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3700 } 3701 } 3702 3703 void 3704 tlp_print_media(sc) 3705 struct tulip_softc *sc; 3706 { 3707 struct ifmedia_entry *ife; 3708 struct tulip_21x4x_media *tm; 3709 const char *sep = ""; 3710 3711 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3712 3713 printf("%s: ", sc->sc_dev.dv_xname); 3714 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3715 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3716 tm = ife->ifm_aux; 3717 if (tm == NULL) { 3718 #ifdef DIAGNOSTIC 3719 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3720 panic("tlp_print_media"); 3721 #endif 3722 PRINT("auto"); 3723 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3724 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3725 PRINT(tm->tm_name); 3726 } 3727 } 3728 printf("\n"); 3729 3730 #undef PRINT 3731 } 3732 3733 void 3734 tlp_nway_activate(sc, media) 3735 struct tulip_softc *sc; 3736 int media; 3737 { 3738 struct ifmedia_entry *ife; 3739 3740 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3741 #ifdef DIAGNOSTIC 3742 if (ife == NULL) 3743 panic("tlp_nway_activate"); 3744 #endif 3745 sc->sc_nway_active = ife; 3746 } 3747 3748 void 3749 tlp_get_minst(sc) 3750 struct tulip_softc *sc; 3751 { 3752 3753 if ((sc->sc_media_seen & 3754 ~((1 << TULIP_ROM_MB_21140_MII) | 3755 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3756 /* 3757 * We have not yet seen any SIA/SYM media (but are 3758 * about to; that's why we're called!), so assign 3759 * the current media instance to be the `internal media' 3760 * instance, and advance it so any MII media gets a 3761 * fresh one (used to selecting/isolating a PHY). 3762 */ 3763 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3764 } 3765 } 3766 3767 /* 3768 * SIA Utility functions. 3769 */ 3770 void tlp_sia_update_link __P((struct tulip_softc *)); 3771 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3772 int tlp_sia_set __P((struct tulip_softc *)); 3773 void tlp_sia_fixup __P((struct tulip_softc *)); 3774 3775 void 3776 tlp_sia_update_link(sc) 3777 struct tulip_softc *sc; 3778 { 3779 struct ifmedia_entry *ife; 3780 struct tulip_21x4x_media *tm; 3781 u_int32_t siastat; 3782 3783 ife = TULIP_CURRENT_MEDIA(sc); 3784 tm = ife->ifm_aux; 3785 3786 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3787 3788 siastat = TULIP_READ(sc, CSR_SIASTAT); 3789 3790 /* 3791 * Note that when we do SIA link tests, we are assuming that 3792 * the chip is really in the mode that the current media setting 3793 * reflects. If we're not, then the link tests will not be 3794 * accurate! 3795 */ 3796 switch (IFM_SUBTYPE(ife->ifm_media)) { 3797 case IFM_10_T: 3798 sc->sc_flags |= TULIPF_LINK_VALID; 3799 if ((siastat & SIASTAT_LS10) == 0) 3800 sc->sc_flags |= TULIPF_LINK_UP; 3801 break; 3802 3803 case IFM_100_TX: 3804 case IFM_100_T4: 3805 sc->sc_flags |= TULIPF_LINK_VALID; 3806 if ((siastat & SIASTAT_LS100) == 0) 3807 sc->sc_flags |= TULIPF_LINK_UP; 3808 break; 3809 } 3810 3811 switch (sc->sc_chip) { 3812 case TULIP_CHIP_21142: 3813 case TULIP_CHIP_21143: 3814 /* 3815 * On these chips, we can tell more information about 3816 * AUI/BNC. Note that the AUI/BNC selection is made 3817 * in a different register; for our purpose, it's all 3818 * AUI. 3819 */ 3820 switch (IFM_SUBTYPE(ife->ifm_media)) { 3821 case IFM_10_2: 3822 case IFM_10_5: 3823 sc->sc_flags |= TULIPF_LINK_VALID; 3824 if (siastat & SIASTAT_ARA) { 3825 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3826 sc->sc_flags |= TULIPF_LINK_UP; 3827 } 3828 break; 3829 3830 default: 3831 /* 3832 * If we're SYM media and can detect the link 3833 * via the GPIO facility, prefer that status 3834 * over LS100. 3835 */ 3836 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3837 tm->tm_actmask != 0) { 3838 sc->sc_flags = (sc->sc_flags & 3839 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3840 if (TULIP_ISSET(sc, CSR_SIAGEN, 3841 tm->tm_actmask) == tm->tm_actdata) 3842 sc->sc_flags |= TULIPF_LINK_UP; 3843 } 3844 } 3845 break; 3846 3847 default: 3848 /* Nothing. */ 3849 } 3850 } 3851 3852 void 3853 tlp_sia_get(sc, ifmr) 3854 struct tulip_softc *sc; 3855 struct ifmediareq *ifmr; 3856 { 3857 struct ifmedia_entry *ife; 3858 3859 ifmr->ifm_status = 0; 3860 3861 tlp_sia_update_link(sc); 3862 3863 ife = TULIP_CURRENT_MEDIA(sc); 3864 3865 if (sc->sc_flags & TULIPF_LINK_VALID) 3866 ifmr->ifm_status |= IFM_AVALID; 3867 if (sc->sc_flags & TULIPF_LINK_UP) 3868 ifmr->ifm_status |= IFM_ACTIVE; 3869 ifmr->ifm_active = ife->ifm_media; 3870 } 3871 3872 void 3873 tlp_sia_fixup(sc) 3874 struct tulip_softc *sc; 3875 { 3876 struct ifmedia_entry *ife; 3877 struct tulip_21x4x_media *tm; 3878 u_int32_t siaconn, siatxrx, siagen; 3879 3880 switch (sc->sc_chip) { 3881 case TULIP_CHIP_82C115: 3882 case TULIP_CHIP_MX98713A: 3883 case TULIP_CHIP_MX98715: 3884 case TULIP_CHIP_MX98715A: 3885 case TULIP_CHIP_MX98725: 3886 siaconn = PMAC_SIACONN_MASK; 3887 siatxrx = PMAC_SIATXRX_MASK; 3888 siagen = PMAC_SIAGEN_MASK; 3889 break; 3890 3891 default: 3892 /* No fixups required on any other chips. */ 3893 return; 3894 } 3895 3896 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3897 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3898 tm = ife->ifm_aux; 3899 if (tm == NULL) 3900 continue; 3901 3902 tm->tm_siaconn &= siaconn; 3903 tm->tm_siatxrx &= siatxrx; 3904 tm->tm_siagen &= siagen; 3905 } 3906 } 3907 3908 int 3909 tlp_sia_set(sc) 3910 struct tulip_softc *sc; 3911 { 3912 struct ifmedia_entry *ife; 3913 struct tulip_21x4x_media *tm; 3914 3915 ife = TULIP_CURRENT_MEDIA(sc); 3916 tm = ife->ifm_aux; 3917 3918 /* 3919 * XXX This appears to be necessary on a bunch of the clone chips. 3920 */ 3921 delay(20000); 3922 3923 /* 3924 * Idle the chip. 3925 */ 3926 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3927 3928 /* 3929 * Program the SIA. It's important to write in this order, 3930 * resetting the SIA first. 3931 */ 3932 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 3933 delay(1000); 3934 3935 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 3936 3937 switch (sc->sc_chip) { 3938 case TULIP_CHIP_21142: 3939 case TULIP_CHIP_21143: 3940 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 3941 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 3942 break; 3943 default: 3944 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 3945 } 3946 3947 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 3948 3949 /* 3950 * Set the OPMODE bits for this media and write OPMODE. 3951 * This will resume the transmit and receive processes. 3952 */ 3953 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 3954 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3955 3956 return (0); 3957 } 3958 3959 /* 3960 * 21140 GPIO utility functions. 3961 */ 3962 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 3963 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 3964 struct ifmediareq *ifmr)); 3965 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 3966 3967 void 3968 tlp_21140_gpio_update_link(sc) 3969 struct tulip_softc *sc; 3970 { 3971 struct ifmedia_entry *ife; 3972 struct tulip_21x4x_media *tm; 3973 3974 ife = TULIP_CURRENT_MEDIA(sc); 3975 tm = ife->ifm_aux; 3976 3977 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3978 3979 if (tm->tm_actmask != 0) { 3980 sc->sc_flags |= TULIPF_LINK_VALID; 3981 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 3982 tm->tm_actdata) 3983 sc->sc_flags |= TULIPF_LINK_UP; 3984 } 3985 } 3986 3987 void 3988 tlp_21140_gpio_get(sc, ifmr) 3989 struct tulip_softc *sc; 3990 struct ifmediareq *ifmr; 3991 { 3992 struct ifmedia_entry *ife; 3993 3994 ifmr->ifm_status = 0; 3995 3996 tlp_21140_gpio_update_link(sc); 3997 3998 ife = TULIP_CURRENT_MEDIA(sc); 3999 4000 if (sc->sc_flags & TULIPF_LINK_VALID) 4001 ifmr->ifm_status |= IFM_AVALID; 4002 if (sc->sc_flags & TULIPF_LINK_UP) 4003 ifmr->ifm_status |= IFM_ACTIVE; 4004 ifmr->ifm_active = ife->ifm_media; 4005 } 4006 4007 int 4008 tlp_21140_gpio_set(sc) 4009 struct tulip_softc *sc; 4010 { 4011 struct ifmedia_entry *ife; 4012 struct tulip_21x4x_media *tm; 4013 4014 ife = TULIP_CURRENT_MEDIA(sc); 4015 tm = ife->ifm_aux; 4016 4017 /* 4018 * Idle the chip. 4019 */ 4020 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4021 4022 /* 4023 * Set the GPIO pins for this media, to flip any 4024 * relays, etc. 4025 */ 4026 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4027 delay(10); 4028 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4029 4030 /* 4031 * Set the OPMODE bits for this media and write OPMODE. 4032 * This will resume the transmit and receive processes. 4033 */ 4034 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4035 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4036 4037 return (0); 4038 } 4039 4040 /* 4041 * 21040 and 21041 media switches. 4042 */ 4043 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4044 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4045 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4046 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4047 4048 const struct tulip_mediasw tlp_21040_mediasw = { 4049 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4050 }; 4051 4052 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4053 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4054 }; 4055 4056 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4057 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4058 }; 4059 4060 const struct tulip_mediasw tlp_21041_mediasw = { 4061 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4062 }; 4063 4064 4065 void 4066 tlp_21040_tmsw_init(sc) 4067 struct tulip_softc *sc; 4068 { 4069 static const u_int8_t media[] = { 4070 TULIP_ROM_MB_MEDIA_TP, 4071 TULIP_ROM_MB_MEDIA_TP_FDX, 4072 TULIP_ROM_MB_MEDIA_AUI, 4073 }; 4074 struct tulip_21x4x_media *tm; 4075 4076 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4077 tlp_mediastatus); 4078 4079 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4080 4081 /* 4082 * No SROM type for External SIA. 4083 */ 4084 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4085 memset(tm, 0, sizeof(*tm)); 4086 tm->tm_name = "manual"; 4087 tm->tm_opmode = 0; 4088 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4089 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4090 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4091 ifmedia_add(&sc->sc_mii.mii_media, 4092 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4093 4094 /* 4095 * XXX Autosense not yet supported. 4096 */ 4097 4098 /* XXX This should be auto-sense. */ 4099 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4100 4101 tlp_print_media(sc); 4102 } 4103 4104 void 4105 tlp_21040_tp_tmsw_init(sc) 4106 struct tulip_softc *sc; 4107 { 4108 static const u_int8_t media[] = { 4109 TULIP_ROM_MB_MEDIA_TP, 4110 TULIP_ROM_MB_MEDIA_TP_FDX, 4111 }; 4112 4113 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4114 tlp_mediastatus); 4115 4116 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4117 4118 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4119 4120 tlp_print_media(sc); 4121 } 4122 4123 void 4124 tlp_21040_auibnc_tmsw_init(sc) 4125 struct tulip_softc *sc; 4126 { 4127 static const u_int8_t media[] = { 4128 TULIP_ROM_MB_MEDIA_AUI, 4129 }; 4130 4131 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4132 tlp_mediastatus); 4133 4134 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4135 4136 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4137 4138 tlp_print_media(sc); 4139 } 4140 4141 void 4142 tlp_21041_tmsw_init(sc) 4143 struct tulip_softc *sc; 4144 { 4145 static const u_int8_t media[] = { 4146 TULIP_ROM_MB_MEDIA_TP, 4147 TULIP_ROM_MB_MEDIA_TP_FDX, 4148 TULIP_ROM_MB_MEDIA_BNC, 4149 TULIP_ROM_MB_MEDIA_AUI, 4150 }; 4151 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4152 const struct tulip_srom_to_ifmedia *tsti; 4153 struct tulip_21x4x_media *tm; 4154 u_int16_t romdef; 4155 u_int8_t mb; 4156 4157 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4158 tlp_mediastatus); 4159 4160 if (tlp_isv_srom(sc->sc_srom) == 0) { 4161 not_isv_srom: 4162 /* 4163 * If we have a board without the standard 21041 SROM format, 4164 * we just assume all media are present and try and pick a 4165 * reasonable default. 4166 */ 4167 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4168 4169 /* 4170 * XXX Autosense not yet supported. 4171 */ 4172 4173 /* XXX This should be auto-sense. */ 4174 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4175 4176 tlp_print_media(sc); 4177 return; 4178 } 4179 4180 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4181 for (i = 0; i < devcnt; i++) { 4182 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4183 break; 4184 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4185 sc->sc_devno) 4186 break; 4187 } 4188 4189 if (i == devcnt) 4190 goto not_isv_srom; 4191 4192 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4193 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4194 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4195 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4196 4197 for (; m_cnt != 0; 4198 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4199 mb = sc->sc_srom[mb_offset]; 4200 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4201 memset(tm, 0, sizeof(*tm)); 4202 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4203 case TULIP_ROM_MB_MEDIA_TP_FDX: 4204 case TULIP_ROM_MB_MEDIA_TP: 4205 case TULIP_ROM_MB_MEDIA_BNC: 4206 case TULIP_ROM_MB_MEDIA_AUI: 4207 tsti = tlp_srom_to_ifmedia(mb & 4208 TULIP_ROM_MB_MEDIA_CODE); 4209 4210 tlp_srom_media_info(sc, tsti, tm); 4211 4212 /* 4213 * Override our default SIA settings if the 4214 * SROM contains its own. 4215 */ 4216 if (mb & TULIP_ROM_MB_EXT) { 4217 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4218 mb_offset + TULIP_ROM_MB_CSR13); 4219 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4220 mb_offset + TULIP_ROM_MB_CSR14); 4221 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4222 mb_offset + TULIP_ROM_MB_CSR15); 4223 } 4224 4225 ifmedia_add(&sc->sc_mii.mii_media, 4226 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4227 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4228 break; 4229 4230 default: 4231 printf("%s: unknown media code 0x%02x\n", 4232 sc->sc_dev.dv_xname, 4233 mb & TULIP_ROM_MB_MEDIA_CODE); 4234 free(tm, M_DEVBUF); 4235 } 4236 } 4237 4238 /* 4239 * XXX Autosense not yet supported. 4240 */ 4241 4242 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4243 TULIP_ROM_IL_SELECT_CONN_TYPE); 4244 switch (romdef) { 4245 case SELECT_CONN_TYPE_TP: 4246 case SELECT_CONN_TYPE_TP_AUTONEG: 4247 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4248 defmedia = IFM_ETHER|IFM_10_T; 4249 break; 4250 4251 case SELECT_CONN_TYPE_TP_FDX: 4252 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4253 break; 4254 4255 case SELECT_CONN_TYPE_BNC: 4256 defmedia = IFM_ETHER|IFM_10_2; 4257 break; 4258 4259 case SELECT_CONN_TYPE_AUI: 4260 defmedia = IFM_ETHER|IFM_10_5; 4261 break; 4262 #if 0 /* XXX */ 4263 case SELECT_CONN_TYPE_ASENSE: 4264 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4265 defmedia = IFM_ETHER|IFM_AUTO; 4266 break; 4267 #endif 4268 default: 4269 defmedia = 0; 4270 } 4271 4272 if (defmedia == 0) { 4273 /* 4274 * XXX We should default to auto-sense. 4275 */ 4276 defmedia = IFM_ETHER|IFM_10_T; 4277 } 4278 4279 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4280 4281 tlp_print_media(sc); 4282 } 4283 4284 /* 4285 * DECchip 2114x ISV media switch. 4286 */ 4287 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4288 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4289 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4290 4291 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4292 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4293 }; 4294 4295 void 4296 tlp_2114x_isv_tmsw_init(sc) 4297 struct tulip_softc *sc; 4298 { 4299 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4300 struct ifmedia_entry *ife; 4301 struct mii_softc *phy; 4302 struct tulip_21x4x_media *tm; 4303 const struct tulip_srom_to_ifmedia *tsti; 4304 int i, devcnt, leaf_offset, m_cnt, type, length; 4305 int defmedia, miidef; 4306 u_int16_t word; 4307 u_int8_t *cp, *ncp; 4308 4309 defmedia = miidef = 0; 4310 4311 sc->sc_mii.mii_ifp = ifp; 4312 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4313 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4314 sc->sc_mii.mii_statchg = sc->sc_statchg; 4315 4316 /* 4317 * Ignore `instance'; we may get a mixture of SIA and MII 4318 * media, and `instance' is used to isolate or select the 4319 * PHY on the MII as appropriate. Note that duplicate media 4320 * are disallowed, so ignoring `instance' is safe. 4321 */ 4322 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4323 tlp_mediastatus); 4324 4325 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4326 for (i = 0; i < devcnt; i++) { 4327 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4328 break; 4329 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4330 sc->sc_devno) 4331 break; 4332 } 4333 4334 if (i == devcnt) { 4335 printf("%s: unable to locate info leaf in SROM\n", 4336 sc->sc_dev.dv_xname); 4337 return; 4338 } 4339 4340 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4341 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4342 4343 /* XXX SELECT CONN TYPE */ 4344 4345 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4346 4347 /* 4348 * On some chips, the first thing in the Info Leaf is the 4349 * GPIO pin direction data. 4350 */ 4351 switch (sc->sc_chip) { 4352 case TULIP_CHIP_21140: 4353 case TULIP_CHIP_21140A: 4354 case TULIP_CHIP_MX98713: 4355 case TULIP_CHIP_AX88140: 4356 case TULIP_CHIP_AX88141: 4357 sc->sc_gp_dir = *cp++; 4358 break; 4359 4360 default: 4361 /* Nothing. */ 4362 } 4363 4364 /* Get the media count. */ 4365 m_cnt = *cp++; 4366 4367 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4368 /* 4369 * Determine the type and length of this media block. 4370 */ 4371 if ((*cp & 0x80) == 0) { 4372 length = 4; 4373 type = TULIP_ROM_MB_21140_GPR; 4374 } else { 4375 length = (*cp++ & 0x7f) - 1; 4376 type = *cp++ & 0x3f; 4377 } 4378 4379 /* Compute the start of the next block. */ 4380 ncp = cp + length; 4381 4382 /* Now, parse the block. */ 4383 switch (type) { 4384 case TULIP_ROM_MB_21140_GPR: 4385 tlp_get_minst(sc); 4386 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4387 4388 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4389 memset(tm, 0, sizeof(*tm)); 4390 4391 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4392 tm->tm_get = tlp_21140_gpio_get; 4393 tm->tm_set = tlp_21140_gpio_set; 4394 4395 /* First is the media type code. */ 4396 tsti = tlp_srom_to_ifmedia(cp[0] & 4397 TULIP_ROM_MB_MEDIA_CODE); 4398 if (tsti == NULL) { 4399 /* Invalid media code. */ 4400 free(tm, M_DEVBUF); 4401 break; 4402 } 4403 4404 /* Get defaults. */ 4405 tlp_srom_media_info(sc, tsti, tm); 4406 4407 /* Next is any GPIO info for this media. */ 4408 tm->tm_gpdata = cp[1]; 4409 4410 /* 4411 * Next is a word containing OPMODE information 4412 * and info on how to detect if this media is 4413 * active. 4414 */ 4415 word = TULIP_ROM_GETW(cp, 2); 4416 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4417 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4418 tm->tm_actmask = 4419 TULIP_ROM_MB_BITPOS(word); 4420 tm->tm_actdata = 4421 (word & TULIP_ROM_MB_POLARITY) ? 4422 0 : tm->tm_actmask; 4423 } 4424 4425 ifmedia_add(&sc->sc_mii.mii_media, 4426 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4427 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4428 break; 4429 4430 case TULIP_ROM_MB_21140_MII: 4431 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4432 4433 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4434 memset(tm, 0, sizeof(*tm)); 4435 4436 tm->tm_type = TULIP_ROM_MB_21140_MII; 4437 tm->tm_get = tlp_mii_getmedia; 4438 tm->tm_set = tlp_mii_setmedia; 4439 tm->tm_opmode = OPMODE_PS; 4440 4441 if (sc->sc_reset == NULL) 4442 sc->sc_reset = tlp_21140_reset; 4443 4444 /* First is the PHY number. */ 4445 tm->tm_phyno = *cp++; 4446 4447 /* Next is the MII select sequence length and offset. */ 4448 tm->tm_gp_length = *cp++; 4449 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4450 cp += tm->tm_gp_length; 4451 4452 /* Next is the MII reset sequence length and offset. */ 4453 tm->tm_reset_length = *cp++; 4454 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4455 cp += tm->tm_reset_length; 4456 4457 /* 4458 * The following items are left in the media block 4459 * that we don't particularly care about: 4460 * 4461 * capabilities W 4462 * advertisement W 4463 * full duplex W 4464 * tx threshold W 4465 * 4466 * These appear to be bits in the PHY registers, 4467 * which our MII code handles on its own. 4468 */ 4469 4470 /* 4471 * Before we probe the MII bus, we need to reset 4472 * it and issue the selection sequence. 4473 */ 4474 4475 /* Set the direction of the pins... */ 4476 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4477 4478 for (i = 0; i < tm->tm_reset_length; i++) { 4479 delay(10); 4480 TULIP_WRITE(sc, CSR_GPP, 4481 sc->sc_srom[tm->tm_reset_offset + i]); 4482 } 4483 4484 for (i = 0; i < tm->tm_gp_length; i++) { 4485 delay(10); 4486 TULIP_WRITE(sc, CSR_GPP, 4487 sc->sc_srom[tm->tm_gp_offset + i]); 4488 } 4489 4490 /* If there were no sequences, just lower the pins. */ 4491 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4492 delay(10); 4493 TULIP_WRITE(sc, CSR_GPP, 0); 4494 } 4495 4496 /* 4497 * Now, probe the MII for the PHY. Note, we know 4498 * the location of the PHY on the bus, but we don't 4499 * particularly care; the MII code just likes to 4500 * search the whole thing anyhow. 4501 */ 4502 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4503 MII_PHY_ANY, tm->tm_phyno, 0); 4504 4505 /* 4506 * Now, search for the PHY we hopefully just 4507 * configured. If it's not configured into the 4508 * kernel, we lose. The PHY's default media always 4509 * takes priority. 4510 */ 4511 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4512 phy != NULL; 4513 phy = LIST_NEXT(phy, mii_list)) 4514 if (phy->mii_offset == tm->tm_phyno) 4515 break; 4516 if (phy == NULL) { 4517 printf("%s: unable to configure MII\n", 4518 sc->sc_dev.dv_xname); 4519 break; 4520 } 4521 4522 sc->sc_flags |= TULIPF_HAS_MII; 4523 sc->sc_tick = tlp_mii_tick; 4524 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4525 phy->mii_inst); 4526 4527 /* 4528 * Okay, now that we've found the PHY and the MII 4529 * layer has added all of the media associated 4530 * with that PHY, we need to traverse the media 4531 * list, and add our `tm' to each entry's `aux' 4532 * pointer. 4533 * 4534 * We do this by looking for media with our 4535 * PHY's `instance'. 4536 */ 4537 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4538 ife != NULL; 4539 ife = TAILQ_NEXT(ife, ifm_list)) { 4540 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4541 continue; 4542 ife->ifm_aux = tm; 4543 } 4544 break; 4545 4546 case TULIP_ROM_MB_21142_SIA: 4547 tlp_get_minst(sc); 4548 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4549 4550 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4551 memset(tm, 0, sizeof(*tm)); 4552 4553 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4554 tm->tm_get = tlp_sia_get; 4555 tm->tm_set = tlp_sia_set; 4556 4557 /* First is the media type code. */ 4558 tsti = tlp_srom_to_ifmedia(cp[0] & 4559 TULIP_ROM_MB_MEDIA_CODE); 4560 if (tsti == NULL) { 4561 /* Invalid media code. */ 4562 free(tm, M_DEVBUF); 4563 break; 4564 } 4565 4566 /* Get defaults. */ 4567 tlp_srom_media_info(sc, tsti, tm); 4568 4569 /* 4570 * Override our default SIA settings if the 4571 * SROM contains its own. 4572 */ 4573 if (cp[0] & 0x40) { 4574 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4575 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4576 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4577 cp += 7; 4578 } else 4579 cp++; 4580 4581 /* Next is GPIO control/data. */ 4582 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4583 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4584 4585 ifmedia_add(&sc->sc_mii.mii_media, 4586 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4587 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4588 break; 4589 4590 case TULIP_ROM_MB_21142_MII: 4591 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4592 4593 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4594 memset(tm, 0, sizeof(*tm)); 4595 4596 tm->tm_type = TULIP_ROM_MB_21142_MII; 4597 tm->tm_get = tlp_mii_getmedia; 4598 tm->tm_set = tlp_mii_setmedia; 4599 tm->tm_opmode = OPMODE_PS; 4600 4601 if (sc->sc_reset == NULL) 4602 sc->sc_reset = tlp_21142_reset; 4603 4604 /* First is the PHY number. */ 4605 tm->tm_phyno = *cp++; 4606 4607 /* Next is the MII select sequence length and offset. */ 4608 tm->tm_gp_length = *cp++; 4609 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4610 cp += tm->tm_gp_length * 2; 4611 4612 /* Next is the MII reset sequence length and offset. */ 4613 tm->tm_reset_length = *cp++; 4614 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4615 cp += tm->tm_reset_length * 2; 4616 4617 /* 4618 * The following items are left in the media block 4619 * that we don't particularly care about: 4620 * 4621 * capabilities W 4622 * advertisement W 4623 * full duplex W 4624 * tx threshold W 4625 * MII interrupt W 4626 * 4627 * These appear to be bits in the PHY registers, 4628 * which our MII code handles on its own. 4629 */ 4630 4631 /* 4632 * Before we probe the MII bus, we need to reset 4633 * it and issue the selection sequence. 4634 */ 4635 4636 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4637 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4638 delay(10); 4639 TULIP_WRITE(sc, CSR_SIAGEN, 4640 TULIP_ROM_GETW(ncp, 0) << 16); 4641 } 4642 4643 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4644 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4645 delay(10); 4646 TULIP_WRITE(sc, CSR_SIAGEN, 4647 TULIP_ROM_GETW(ncp, 0) << 16); 4648 } 4649 4650 /* If there were no sequences, just lower the pins. */ 4651 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4652 delay(10); 4653 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4654 } 4655 4656 /* 4657 * Now, probe the MII for the PHY. Note, we know 4658 * the location of the PHY on the bus, but we don't 4659 * particularly care; the MII code just likes to 4660 * search the whole thing anyhow. 4661 */ 4662 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4663 MII_PHY_ANY, tm->tm_phyno, 0); 4664 4665 /* 4666 * Now, search for the PHY we hopefully just 4667 * configured. If it's not configured into the 4668 * kernel, we lose. The PHY's default media always 4669 * takes priority. 4670 */ 4671 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4672 phy != NULL; 4673 phy = LIST_NEXT(phy, mii_list)) 4674 if (phy->mii_offset == tm->tm_phyno) 4675 break; 4676 if (phy == NULL) { 4677 printf("%s: unable to configure MII\n", 4678 sc->sc_dev.dv_xname); 4679 break; 4680 } 4681 4682 sc->sc_flags |= TULIPF_HAS_MII; 4683 sc->sc_tick = tlp_mii_tick; 4684 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4685 phy->mii_inst); 4686 4687 /* 4688 * Okay, now that we've found the PHY and the MII 4689 * layer has added all of the media associated 4690 * with that PHY, we need to traverse the media 4691 * list, and add our `tm' to each entry's `aux' 4692 * pointer. 4693 * 4694 * We do this by looking for media with our 4695 * PHY's `instance'. 4696 */ 4697 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4698 ife != NULL; 4699 ife = TAILQ_NEXT(ife, ifm_list)) { 4700 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4701 continue; 4702 ife->ifm_aux = tm; 4703 } 4704 break; 4705 4706 case TULIP_ROM_MB_21143_SYM: 4707 tlp_get_minst(sc); 4708 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4709 4710 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4711 memset(tm, 0, sizeof(*tm)); 4712 4713 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4714 tm->tm_get = tlp_sia_get; 4715 tm->tm_set = tlp_sia_set; 4716 4717 /* First is the media type code. */ 4718 tsti = tlp_srom_to_ifmedia(cp[0] & 4719 TULIP_ROM_MB_MEDIA_CODE); 4720 if (tsti == NULL) { 4721 /* Invalid media code. */ 4722 free(tm, M_DEVBUF); 4723 break; 4724 } 4725 4726 /* Get defaults. */ 4727 tlp_srom_media_info(sc, tsti, tm); 4728 4729 /* Next is GPIO control/data. */ 4730 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4731 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4732 4733 /* 4734 * Next is a word containing OPMODE information 4735 * and info on how to detect if this media is 4736 * active. 4737 */ 4738 word = TULIP_ROM_GETW(cp, 5); 4739 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4740 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4741 tm->tm_actmask = 4742 TULIP_ROM_MB_BITPOS(word); 4743 tm->tm_actdata = 4744 (word & TULIP_ROM_MB_POLARITY) ? 4745 0 : tm->tm_actmask; 4746 } 4747 4748 ifmedia_add(&sc->sc_mii.mii_media, 4749 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4750 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4751 break; 4752 4753 case TULIP_ROM_MB_21143_RESET: 4754 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4755 break; 4756 4757 default: 4758 printf("%s: unknown ISV media block type 0x%02x\n", 4759 sc->sc_dev.dv_xname, type); 4760 } 4761 } 4762 4763 /* 4764 * Deal with the case where no media is configured. 4765 */ 4766 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4767 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4768 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4769 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4770 return; 4771 } 4772 4773 /* 4774 * Pick the default media. 4775 */ 4776 if (miidef != 0) 4777 defmedia = miidef; 4778 else { 4779 /* 4780 * XXX Pick a better default. Should come from SROM 4781 * XXX on 21140[A], and should be "auto" on 21142, 4782 * XXX 21143, and Macronix chips. 4783 */ 4784 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4785 } 4786 4787 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4788 4789 /* 4790 * Display any non-MII media we've located. 4791 */ 4792 if (sc->sc_media_seen & 4793 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4794 tlp_print_media(sc); 4795 4796 tlp_sia_fixup(sc); 4797 } 4798 4799 void 4800 tlp_2114x_isv_tmsw_get(sc, ifmr) 4801 struct tulip_softc *sc; 4802 struct ifmediareq *ifmr; 4803 { 4804 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4805 struct tulip_21x4x_media *tm = ife->ifm_aux; 4806 4807 /* 4808 * We might be polling a non-MII autosense; check for that. 4809 */ 4810 if (tm == NULL) { 4811 #ifdef DIAGNOSTIC 4812 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4813 panic("tlp_2114x_isv_tmsw_get"); 4814 #endif 4815 tm = sc->sc_nway_active->ifm_aux; 4816 } 4817 4818 (*tm->tm_get)(sc, ifmr); 4819 } 4820 4821 int 4822 tlp_2114x_isv_tmsw_set(sc) 4823 struct tulip_softc *sc; 4824 { 4825 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4826 struct tulip_21x4x_media *tm = ife->ifm_aux; 4827 4828 /* 4829 * We might be setting a non-MII autosense; check for that. 4830 */ 4831 if (tm == NULL) { 4832 #ifdef DIAGNOSTIC 4833 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4834 panic("tlp_2114x_isv_tmsw_set"); 4835 #endif 4836 /* XXX XXX XXX */ 4837 } 4838 4839 /* 4840 * Check to see if we need to reset the chip, and do it. The 4841 * reset path will get the OPMODE register right the next 4842 * time through. 4843 */ 4844 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 4845 return (tlp_init(sc)); 4846 4847 return ((*tm->tm_set)(sc)); 4848 } 4849 4850 /* 4851 * MII-on-SIO media switch. Handles only MII attached to the SIO. 4852 */ 4853 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 4854 4855 const struct tulip_mediasw tlp_sio_mii_mediasw = { 4856 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 4857 }; 4858 4859 void 4860 tlp_sio_mii_tmsw_init(sc) 4861 struct tulip_softc *sc; 4862 { 4863 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4864 4865 /* 4866 * We don't attach any media info structures to the ifmedia 4867 * entries, so if we're using a pre-init function that needs 4868 * that info, override it to one that doesn't. 4869 */ 4870 if (sc->sc_preinit == tlp_2114x_preinit) 4871 sc->sc_preinit = tlp_2114x_mii_preinit; 4872 4873 sc->sc_mii.mii_ifp = ifp; 4874 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4875 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4876 sc->sc_mii.mii_statchg = sc->sc_statchg; 4877 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4878 tlp_mediastatus); 4879 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4880 MII_OFFSET_ANY, 0); 4881 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4882 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4883 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4884 } else { 4885 sc->sc_flags |= TULIPF_HAS_MII; 4886 sc->sc_tick = tlp_mii_tick; 4887 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4888 } 4889 } 4890 4891 /* 4892 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 4893 */ 4894 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 4895 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4896 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 4897 4898 const struct tulip_mediasw tlp_pnic_mediasw = { 4899 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 4900 }; 4901 4902 void tlp_pnic_nway_statchg __P((struct device *)); 4903 void tlp_pnic_nway_tick __P((void *)); 4904 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 4905 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 4906 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 4907 void tlp_pnic_nway_auto_timeout __P((void *)); 4908 void tlp_pnic_nway_status __P((struct tulip_softc *)); 4909 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 4910 4911 void 4912 tlp_pnic_tmsw_init(sc) 4913 struct tulip_softc *sc; 4914 { 4915 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4916 const char *sep = ""; 4917 4918 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 4919 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 4920 4921 sc->sc_mii.mii_ifp = ifp; 4922 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 4923 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 4924 sc->sc_mii.mii_statchg = sc->sc_statchg; 4925 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4926 tlp_mediastatus); 4927 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4928 MII_OFFSET_ANY, 0); 4929 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4930 /* XXX What about AUI/BNC support? */ 4931 printf("%s: ", sc->sc_dev.dv_xname); 4932 4933 tlp_pnic_nway_reset(sc); 4934 4935 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 4936 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 4937 PRINT("10baseT"); 4938 4939 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 4940 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 4941 PRINT("10baseT-FDX"); 4942 4943 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 4944 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 4945 PRINT("100baseTX"); 4946 4947 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 4948 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 4949 PNIC_NWAY_CAP100TXFDX); 4950 PRINT("100baseTX-FDX"); 4951 4952 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 4953 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 4954 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 4955 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 4956 PRINT("auto"); 4957 4958 printf("\n"); 4959 4960 sc->sc_statchg = tlp_pnic_nway_statchg; 4961 sc->sc_tick = tlp_pnic_nway_tick; 4962 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4963 } else { 4964 sc->sc_flags |= TULIPF_HAS_MII; 4965 sc->sc_tick = tlp_mii_tick; 4966 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4967 } 4968 4969 #undef ADD 4970 #undef PRINT 4971 } 4972 4973 void 4974 tlp_pnic_tmsw_get(sc, ifmr) 4975 struct tulip_softc *sc; 4976 struct ifmediareq *ifmr; 4977 { 4978 struct mii_data *mii = &sc->sc_mii; 4979 4980 if (sc->sc_flags & TULIPF_HAS_MII) 4981 tlp_mii_getmedia(sc, ifmr); 4982 else { 4983 mii->mii_media_status = 0; 4984 mii->mii_media_active = IFM_NONE; 4985 tlp_pnic_nway_service(sc, MII_POLLSTAT); 4986 ifmr->ifm_status = sc->sc_mii.mii_media_status; 4987 ifmr->ifm_active = sc->sc_mii.mii_media_active; 4988 } 4989 } 4990 4991 int 4992 tlp_pnic_tmsw_set(sc) 4993 struct tulip_softc *sc; 4994 { 4995 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4996 struct mii_data *mii = &sc->sc_mii; 4997 4998 if (sc->sc_flags & TULIPF_HAS_MII) { 4999 /* 5000 * Make sure the built-in Tx jabber timer is disabled. 5001 */ 5002 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5003 5004 return (tlp_mii_setmedia(sc)); 5005 } 5006 5007 if (ifp->if_flags & IFF_UP) { 5008 mii->mii_media_status = 0; 5009 mii->mii_media_active = IFM_NONE; 5010 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5011 } 5012 5013 return (0); 5014 } 5015 5016 void 5017 tlp_pnic_nway_statchg(self) 5018 struct device *self; 5019 { 5020 struct tulip_softc *sc = (struct tulip_softc *)self; 5021 5022 /* Idle the transmit and receive processes. */ 5023 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5024 5025 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5026 OPMODE_SCR|OPMODE_HBD); 5027 5028 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5029 sc->sc_opmode |= OPMODE_TTM; 5030 TULIP_WRITE(sc, CSR_GPP, 5031 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5032 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5033 } else { 5034 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5035 TULIP_WRITE(sc, CSR_GPP, 5036 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5037 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5038 } 5039 5040 if (sc->sc_mii.mii_media_active & IFM_FDX) 5041 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5042 5043 /* 5044 * Write new OPMODE bits. This also restarts the transmit 5045 * and receive processes. 5046 */ 5047 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5048 } 5049 5050 void 5051 tlp_pnic_nway_tick(arg) 5052 void *arg; 5053 { 5054 struct tulip_softc *sc = arg; 5055 int s; 5056 5057 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5058 return; 5059 5060 s = splnet(); 5061 tlp_pnic_nway_service(sc, MII_TICK); 5062 splx(s); 5063 5064 timeout(tlp_pnic_nway_tick, sc, hz); 5065 } 5066 5067 /* 5068 * Support for the Lite-On PNIC internal NWay block. This is constructed 5069 * somewhat like a PHY driver for simplicity. 5070 */ 5071 5072 int 5073 tlp_pnic_nway_service(sc, cmd) 5074 struct tulip_softc *sc; 5075 int cmd; 5076 { 5077 struct mii_data *mii = &sc->sc_mii; 5078 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5079 5080 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5081 return (0); 5082 5083 switch (cmd) { 5084 case MII_POLLSTAT: 5085 /* Nothing special to do here. */ 5086 break; 5087 5088 case MII_MEDIACHG: 5089 switch (IFM_SUBTYPE(ife->ifm_media)) { 5090 case IFM_AUTO: 5091 (void) tlp_pnic_nway_auto(sc, 1); 5092 break; 5093 case IFM_100_T4: 5094 /* 5095 * XXX Not supported as a manual setting right now. 5096 */ 5097 return (EINVAL); 5098 default: 5099 /* 5100 * NWAY register data is stored in the ifmedia entry. 5101 */ 5102 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5103 } 5104 break; 5105 5106 case MII_TICK: 5107 /* 5108 * Only used for autonegotiation. 5109 */ 5110 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5111 return (0); 5112 5113 /* 5114 * Check to see if we have link. If we do, we don't 5115 * need to restart the autonegotiation process. 5116 */ 5117 if (sc->sc_flags & TULIPF_LINK_UP) 5118 return (0); 5119 5120 /* 5121 * Only retry autonegotiation every 5 seconds. 5122 */ 5123 if (++sc->sc_nway_ticks != 5) 5124 return (0); 5125 5126 sc->sc_nway_ticks = 0; 5127 tlp_pnic_nway_reset(sc); 5128 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5129 return (0); 5130 break; 5131 } 5132 5133 /* Update the media status. */ 5134 tlp_pnic_nway_status(sc); 5135 5136 /* Callback if something changed. */ 5137 if ((sc->sc_nway_active == NULL || 5138 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5139 cmd == MII_MEDIACHG) { 5140 (*sc->sc_statchg)(&sc->sc_dev); 5141 tlp_nway_activate(sc, mii->mii_media_active); 5142 } 5143 return (0); 5144 } 5145 5146 void 5147 tlp_pnic_nway_reset(sc) 5148 struct tulip_softc *sc; 5149 { 5150 5151 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5152 delay(100); 5153 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5154 } 5155 5156 int 5157 tlp_pnic_nway_auto(sc, waitfor) 5158 struct tulip_softc *sc; 5159 int waitfor; 5160 { 5161 struct mii_data *mii = &sc->sc_mii; 5162 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5163 u_int32_t reg; 5164 int i; 5165 5166 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5167 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5168 5169 if (waitfor) { 5170 /* Wait 500ms for it to complete. */ 5171 for (i = 0; i < 500; i++) { 5172 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5173 if (reg & PNIC_NWAY_LPAR_MASK) { 5174 tlp_pnic_nway_acomp(sc); 5175 return (0); 5176 } 5177 delay(1000); 5178 } 5179 #if 0 5180 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5181 printf("%s: autonegotiation failed to complete\n", 5182 sc->sc_dev.dv_xname); 5183 #endif 5184 5185 /* 5186 * Don't need to worry about clearing DOINGAUTO. 5187 * If that's set, a timeout is pending, and it will 5188 * clear the flag. 5189 */ 5190 return (EIO); 5191 } 5192 5193 /* 5194 * Just let it finish asynchronously. This is for the benefit of 5195 * the tick handler driving autonegotiation. Don't want 500ms 5196 * delays all the time while the system is running! 5197 */ 5198 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5199 sc->sc_flags |= TULIPF_DOINGAUTO; 5200 timeout(tlp_pnic_nway_auto_timeout, sc, hz >> 1); 5201 } 5202 return (EJUSTRETURN); 5203 } 5204 5205 void 5206 tlp_pnic_nway_auto_timeout(arg) 5207 void *arg; 5208 { 5209 struct tulip_softc *sc = arg; 5210 u_int32_t reg; 5211 int s; 5212 5213 s = splnet(); 5214 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5215 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5216 #if 0 5217 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5218 printf("%s: autonegotiation failed to complete\n", 5219 sc->sc_dev.dv_xname); 5220 #endif 5221 5222 tlp_pnic_nway_acomp(sc); 5223 5224 /* Update the media status. */ 5225 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5226 splx(s); 5227 } 5228 5229 void 5230 tlp_pnic_nway_status(sc) 5231 struct tulip_softc *sc; 5232 { 5233 struct mii_data *mii = &sc->sc_mii; 5234 u_int32_t reg; 5235 5236 mii->mii_media_status = IFM_AVALID; 5237 mii->mii_media_active = IFM_ETHER; 5238 5239 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5240 5241 if (sc->sc_flags & TULIPF_LINK_UP) 5242 mii->mii_media_status |= IFM_ACTIVE; 5243 5244 if (reg & PNIC_NWAY_NW) { 5245 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5246 /* Erg, still trying, I guess... */ 5247 mii->mii_media_active |= IFM_NONE; 5248 return; 5249 } 5250 5251 #if 0 5252 if (reg & PNIC_NWAY_LPAR100T4) 5253 mii->mii_media_active |= IFM_100_T4; 5254 else 5255 #endif 5256 if (reg & PNIC_NWAY_LPAR100TXFDX) 5257 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5258 else if (reg & PNIC_NWAY_LPAR100TX) 5259 mii->mii_media_active |= IFM_100_TX; 5260 else if (reg & PNIC_NWAY_LPAR10TFDX) 5261 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5262 else if (reg & PNIC_NWAY_LPAR10T) 5263 mii->mii_media_active |= IFM_10_T; 5264 else 5265 mii->mii_media_active |= IFM_NONE; 5266 } else { 5267 if (reg & PNIC_NWAY_100) 5268 mii->mii_media_active |= IFM_100_TX; 5269 else 5270 mii->mii_media_active |= IFM_10_T; 5271 if (reg & PNIC_NWAY_FD) 5272 mii->mii_media_active |= IFM_FDX; 5273 } 5274 } 5275 5276 void 5277 tlp_pnic_nway_acomp(sc) 5278 struct tulip_softc *sc; 5279 { 5280 u_int32_t reg; 5281 5282 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5283 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5284 5285 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5286 reg |= PNIC_NWAY_100; 5287 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5288 reg |= PNIC_NWAY_FD; 5289 5290 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5291 } 5292 5293 /* 5294 * Macronix PMAC and Lite-On PNIC-II media switch: 5295 * 5296 * MX98713 and MX98713A 21140-like MII or GPIO media. 5297 * 5298 * MX98713A 21143-like MII or SIA/SYM media. 5299 * 5300 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5301 * 82C115 5302 * 5303 * So, what we do here is fake MII-on-SIO or ISV media info, and 5304 * use the ISV media switch get/set functions to handle the rest. 5305 */ 5306 5307 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5308 5309 const struct tulip_mediasw tlp_pmac_mediasw = { 5310 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5311 }; 5312 5313 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5314 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5315 }; 5316 5317 void 5318 tlp_pmac_tmsw_init(sc) 5319 struct tulip_softc *sc; 5320 { 5321 static const u_int8_t media[] = { 5322 TULIP_ROM_MB_MEDIA_TP, 5323 TULIP_ROM_MB_MEDIA_TP_FDX, 5324 TULIP_ROM_MB_MEDIA_100TX, 5325 TULIP_ROM_MB_MEDIA_100TX_FDX, 5326 }; 5327 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5328 5329 sc->sc_mii.mii_ifp = ifp; 5330 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5331 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5332 sc->sc_mii.mii_statchg = sc->sc_statchg; 5333 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5334 tlp_mediastatus); 5335 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5336 sc->sc_chip == TULIP_CHIP_MX98713A) { 5337 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5338 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5339 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5340 sc->sc_flags |= TULIPF_HAS_MII; 5341 sc->sc_tick = tlp_mii_tick; 5342 sc->sc_preinit = tlp_2114x_mii_preinit; 5343 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5344 ifmedia_set(&sc->sc_mii.mii_media, 5345 IFM_ETHER|IFM_AUTO); 5346 return; 5347 } 5348 } 5349 5350 switch (sc->sc_chip) { 5351 case TULIP_CHIP_MX98713: 5352 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5353 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5354 5355 /* 5356 * XXX Should implement auto-sense for this someday, 5357 * XXX when we do the same for the 21140. 5358 */ 5359 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5360 break; 5361 5362 default: 5363 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5364 tlp_sia_get, tlp_sia_set, media, 2); 5365 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5366 tlp_sia_get, tlp_sia_set, media + 2, 2); 5367 5368 /* 5369 * XXX Autonegotiation not yet supported. 5370 */ 5371 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5372 break; 5373 } 5374 5375 tlp_print_media(sc); 5376 tlp_sia_fixup(sc); 5377 5378 /* Set the LED modes. */ 5379 tlp_pmac_reset(sc); 5380 5381 sc->sc_reset = tlp_pmac_reset; 5382 } 5383 5384 /* 5385 * ADMtek AL981 media switch. Only has internal PHY. 5386 */ 5387 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5388 5389 const struct tulip_mediasw tlp_al981_mediasw = { 5390 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5391 }; 5392 5393 void 5394 tlp_al981_tmsw_init(sc) 5395 struct tulip_softc *sc; 5396 { 5397 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5398 5399 sc->sc_mii.mii_ifp = ifp; 5400 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5401 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5402 sc->sc_mii.mii_statchg = sc->sc_statchg; 5403 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5404 tlp_mediastatus); 5405 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5406 MII_OFFSET_ANY, 0); 5407 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5408 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5409 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5410 } else { 5411 sc->sc_flags |= TULIPF_HAS_MII; 5412 sc->sc_tick = tlp_mii_tick; 5413 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5414 } 5415 } 5416
Indexes created Wed Sep 24 22:09:59 GMT 2025