tulip.c revision 1.51
1 /* $NetBSD: tulip.c,v 1.51 2000/03/07 03:37:39 enami 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 void tlp_filter_setup __P((struct tulip_softc *)); 158 void tlp_winb_filter_setup __P((struct tulip_softc *)); 159 void tlp_al981_filter_setup __P((struct tulip_softc *)); 160 161 void tlp_rxintr __P((struct tulip_softc *)); 162 void tlp_txintr __P((struct tulip_softc *)); 163 164 void tlp_mii_tick __P((void *)); 165 void tlp_mii_statchg __P((struct device *)); 166 void tlp_winb_mii_statchg __P((struct device *)); 167 168 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 169 int tlp_mii_setmedia __P((struct tulip_softc *)); 170 171 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 172 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 173 174 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 175 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 176 177 int tlp_al981_mii_readreg __P((struct device *, int, int)); 178 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 179 180 void tlp_2114x_preinit __P((struct tulip_softc *)); 181 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 182 void tlp_pnic_preinit __P((struct tulip_softc *)); 183 184 void tlp_21140_reset __P((struct tulip_softc *)); 185 void tlp_21142_reset __P((struct tulip_softc *)); 186 void tlp_pmac_reset __P((struct tulip_softc *)); 187 188 u_int32_t tlp_crc32 __P((const u_int8_t *, size_t)); 189 #define tlp_mchash(addr, sz) (tlp_crc32((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 190 191 /* 192 * MII bit-bang glue. 193 */ 194 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 195 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 196 197 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 198 tlp_sio_mii_bitbang_read, 199 tlp_sio_mii_bitbang_write, 200 { 201 MIIROM_MDO, /* MII_BIT_MDO */ 202 MIIROM_MDI, /* MII_BIT_MDI */ 203 MIIROM_MDC, /* MII_BIT_MDC */ 204 0, /* MII_BIT_DIR_HOST_PHY */ 205 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 206 } 207 }; 208 209 #ifdef TLP_DEBUG 210 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 211 printf x 212 #else 213 #define DPRINTF(sc, x) /* nothing */ 214 #endif 215 216 #ifdef TLP_STATS 217 void tlp_print_stats __P((struct tulip_softc *)); 218 #endif 219 220 /* 221 * tlp_attach: 222 * 223 * Attach a Tulip interface to the system. 224 */ 225 void 226 tlp_attach(sc, enaddr) 227 struct tulip_softc *sc; 228 const u_int8_t *enaddr; 229 { 230 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 231 int i, error; 232 233 /* 234 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 235 */ 236 237 /* 238 * Setup the transmit threshold table. 239 */ 240 switch (sc->sc_chip) { 241 case TULIP_CHIP_DE425: 242 case TULIP_CHIP_21040: 243 case TULIP_CHIP_21041: 244 sc->sc_txth = tlp_10_txthresh_tab; 245 break; 246 247 default: 248 sc->sc_txth = tlp_10_100_txthresh_tab; 249 break; 250 } 251 252 /* 253 * Setup the filter setup function. 254 */ 255 switch (sc->sc_chip) { 256 case TULIP_CHIP_WB89C840F: 257 sc->sc_filter_setup = tlp_winb_filter_setup; 258 break; 259 260 case TULIP_CHIP_AL981: 261 sc->sc_filter_setup = tlp_al981_filter_setup; 262 break; 263 264 default: 265 sc->sc_filter_setup = tlp_filter_setup; 266 break; 267 } 268 269 /* 270 * Set up the media status change function. 271 */ 272 switch (sc->sc_chip) { 273 case TULIP_CHIP_WB89C840F: 274 sc->sc_statchg = tlp_winb_mii_statchg; 275 break; 276 277 default: 278 /* 279 * We may override this if we have special media 280 * handling requirements (e.g. flipping GPIO pins). 281 * 282 * The pure-MII statchg function covers the basics. 283 */ 284 sc->sc_statchg = tlp_mii_statchg; 285 break; 286 } 287 288 /* 289 * Set up various chip-specific quirks. 290 * 291 * Note that wherever we can, we use the "ring" option for 292 * transmit and receive descriptors. This is because some 293 * clone chips apparently have problems when using chaining, 294 * although some *only* support chaining. 295 * 296 * What we do is always program the "next" pointer, and then 297 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 298 * appropriate places. 299 */ 300 switch (sc->sc_chip) { 301 case TULIP_CHIP_21140: 302 case TULIP_CHIP_21140A: 303 case TULIP_CHIP_21142: 304 case TULIP_CHIP_21143: 305 case TULIP_CHIP_82C115: /* 21143-like */ 306 case TULIP_CHIP_MX98713: /* 21140-like */ 307 case TULIP_CHIP_MX98713A: /* 21143-like */ 308 case TULIP_CHIP_MX98715: /* 21143-like */ 309 case TULIP_CHIP_MX98715A: /* 21143-like */ 310 case TULIP_CHIP_MX98725: /* 21143-like */ 311 /* 312 * Run these chips in ring mode. 313 */ 314 sc->sc_tdctl_ch = 0; 315 sc->sc_tdctl_er = TDCTL_ER; 316 sc->sc_preinit = tlp_2114x_preinit; 317 break; 318 319 case TULIP_CHIP_82C168: 320 case TULIP_CHIP_82C169: 321 /* 322 * Run these chips in ring mode. 323 */ 324 sc->sc_tdctl_ch = 0; 325 sc->sc_tdctl_er = TDCTL_ER; 326 sc->sc_preinit = tlp_pnic_preinit; 327 328 /* 329 * These chips seem to have busted DMA engines; just put them 330 * in Store-and-Forward mode from the get-go. 331 */ 332 sc->sc_txthresh = TXTH_SF; 333 break; 334 335 case TULIP_CHIP_WB89C840F: 336 /* 337 * Run this chip in chained mode. 338 */ 339 sc->sc_tdctl_ch = TDCTL_CH; 340 sc->sc_tdctl_er = 0; 341 sc->sc_flags |= TULIPF_IC_FS; 342 break; 343 344 default: 345 /* 346 * Default to running in ring mode. 347 */ 348 sc->sc_tdctl_ch = 0; 349 sc->sc_tdctl_er = TDCTL_ER; 350 } 351 352 /* 353 * Set up the MII bit-bang operations. 354 */ 355 switch (sc->sc_chip) { 356 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 357 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 358 break; 359 360 default: 361 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 362 } 363 364 SIMPLEQ_INIT(&sc->sc_txfreeq); 365 SIMPLEQ_INIT(&sc->sc_txdirtyq); 366 367 /* 368 * Allocate the control data structures, and create and load the 369 * DMA map for it. 370 */ 371 if ((error = bus_dmamem_alloc(sc->sc_dmat, 372 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 373 1, &sc->sc_cdnseg, 0)) != 0) { 374 printf("%s: unable to allocate control data, error = %d\n", 375 sc->sc_dev.dv_xname, error); 376 goto fail_0; 377 } 378 379 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 380 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 381 BUS_DMA_COHERENT)) != 0) { 382 printf("%s: unable to map control data, error = %d\n", 383 sc->sc_dev.dv_xname, error); 384 goto fail_1; 385 } 386 387 if ((error = bus_dmamap_create(sc->sc_dmat, 388 sizeof(struct tulip_control_data), 1, 389 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 390 printf("%s: unable to create control data DMA map, " 391 "error = %d\n", sc->sc_dev.dv_xname, error); 392 goto fail_2; 393 } 394 395 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 396 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 397 0)) != 0) { 398 printf("%s: unable to load control data DMA map, error = %d\n", 399 sc->sc_dev.dv_xname, error); 400 goto fail_3; 401 } 402 403 /* 404 * Create the transmit buffer DMA maps. 405 * 406 * Note that on the Xircom clone, transmit buffers must be 407 * 4-byte aligned. We're almost guaranteed to have to copy 408 * the packet in that case, so we just limit ourselves to 409 * one segment. 410 */ 411 switch (sc->sc_chip) { 412 case TULIP_CHIP_X3201_3: 413 sc->sc_ntxsegs = 1; 414 break; 415 416 default: 417 sc->sc_ntxsegs = TULIP_NTXSEGS; 418 } 419 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 420 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 421 sc->sc_ntxsegs, MCLBYTES, 0, 0, 422 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 423 printf("%s: unable to create tx DMA map %d, " 424 "error = %d\n", sc->sc_dev.dv_xname, i, error); 425 goto fail_4; 426 } 427 } 428 429 /* 430 * Create the recieve buffer DMA maps. 431 */ 432 for (i = 0; i < TULIP_NRXDESC; i++) { 433 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 434 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 435 printf("%s: unable to create rx DMA map %d, " 436 "error = %d\n", sc->sc_dev.dv_xname, i, error); 437 goto fail_5; 438 } 439 sc->sc_rxsoft[i].rxs_mbuf = NULL; 440 } 441 442 /* 443 * Reset the chip to a known state. 444 */ 445 tlp_reset(sc); 446 447 /* Announce ourselves. */ 448 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 449 sc->sc_name[0] != '\0' ? sc->sc_name : "", 450 sc->sc_name[0] != '\0' ? ", " : "", 451 ether_sprintf(enaddr)); 452 453 /* 454 * Initialize our media structures. This may probe the MII, if 455 * present. 456 */ 457 (*sc->sc_mediasw->tmsw_init)(sc); 458 459 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 460 ifp->if_softc = sc; 461 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 462 ifp->if_ioctl = tlp_ioctl; 463 ifp->if_start = tlp_start; 464 ifp->if_watchdog = tlp_watchdog; 465 466 /* 467 * Attach the interface. 468 */ 469 if_attach(ifp); 470 ether_ifattach(ifp, enaddr); 471 #if NBPFILTER > 0 472 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 473 sizeof(struct ether_header)); 474 #endif 475 476 /* 477 * Make sure the interface is shutdown during reboot. 478 */ 479 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 480 if (sc->sc_sdhook == NULL) 481 printf("%s: WARNING: unable to establish shutdown hook\n", 482 sc->sc_dev.dv_xname); 483 return; 484 485 /* 486 * Free any resources we've allocated during the failed attach 487 * attempt. Do this in reverse order and fall through. 488 */ 489 fail_5: 490 for (i = 0; i < TULIP_NRXDESC; i++) { 491 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 492 bus_dmamap_destroy(sc->sc_dmat, 493 sc->sc_rxsoft[i].rxs_dmamap); 494 } 495 fail_4: 496 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 497 if (sc->sc_txsoft[i].txs_dmamap != NULL) 498 bus_dmamap_destroy(sc->sc_dmat, 499 sc->sc_txsoft[i].txs_dmamap); 500 } 501 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 502 fail_3: 503 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 504 fail_2: 505 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 506 sizeof(struct tulip_control_data)); 507 fail_1: 508 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 509 fail_0: 510 return; 511 } 512 513 /* 514 * tlp_activate: 515 * 516 * Handle device activation/deactivation requests. 517 */ 518 int 519 tlp_activate(self, act) 520 struct device *self; 521 enum devact act; 522 { 523 struct tulip_softc *sc = (void *) self; 524 int s, error = 0; 525 526 s = splnet(); 527 switch (act) { 528 case DVACT_ACTIVATE: 529 error = EOPNOTSUPP; 530 break; 531 532 case DVACT_DEACTIVATE: 533 if (sc->sc_flags & TULIPF_HAS_MII) 534 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 535 MII_OFFSET_ANY); 536 if_deactivate(&sc->sc_ethercom.ec_if); 537 break; 538 } 539 splx(s); 540 541 return (error); 542 } 543 544 /* 545 * tlp_detach: 546 * 547 * Detach a Tulip interface. 548 */ 549 int 550 tlp_detach(sc) 551 struct tulip_softc *sc; 552 { 553 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 554 struct tulip_rxsoft *rxs; 555 struct tulip_txsoft *txs; 556 int i; 557 558 /* Unhook our tick handler. */ 559 if (sc->sc_tick) 560 untimeout(sc->sc_tick, sc); 561 562 if (sc->sc_flags & TULIPF_HAS_MII) { 563 /* Detach all PHYs */ 564 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 565 } 566 567 /* Delete all remaining media. */ 568 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 569 570 #if NBPFILTER > 0 571 bpfdetach(ifp); 572 #endif 573 ether_ifdetach(ifp); 574 if_detach(ifp); 575 576 for (i = 0; i < TULIP_NRXDESC; i++) { 577 rxs = &sc->sc_rxsoft[i]; 578 if (rxs->rxs_mbuf != NULL) { 579 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 580 m_freem(rxs->rxs_mbuf); 581 rxs->rxs_mbuf = NULL; 582 } 583 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 584 } 585 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 586 txs = &sc->sc_txsoft[i]; 587 if (txs->txs_mbuf != NULL) { 588 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 589 m_freem(txs->txs_mbuf); 590 txs->txs_mbuf = NULL; 591 } 592 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 593 } 594 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 595 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 596 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 597 sizeof(struct tulip_control_data)); 598 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 599 600 shutdownhook_disestablish(sc->sc_sdhook); 601 602 if (sc->sc_srom) 603 free(sc->sc_srom, M_DEVBUF); 604 605 return (0); 606 } 607 608 /* 609 * tlp_shutdown: 610 * 611 * Make sure the interface is stopped at reboot time. 612 */ 613 void 614 tlp_shutdown(arg) 615 void *arg; 616 { 617 struct tulip_softc *sc = arg; 618 619 tlp_stop(sc, 1); 620 } 621 622 /* 623 * tlp_start: [ifnet interface function] 624 * 625 * Start packet transmission on the interface. 626 */ 627 void 628 tlp_start(ifp) 629 struct ifnet *ifp; 630 { 631 struct tulip_softc *sc = ifp->if_softc; 632 struct mbuf *m0, *m; 633 struct tulip_txsoft *txs, *last_txs; 634 bus_dmamap_t dmamap; 635 int error, firsttx, nexttx, lasttx, ofree, seg; 636 637 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 638 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 639 640 /* 641 * If we want a filter setup, it means no more descriptors were 642 * available for the setup routine. Let it get a chance to wedge 643 * itself into the ring. 644 */ 645 if (sc->sc_flags & TULIPF_WANT_SETUP) 646 ifp->if_flags |= IFF_OACTIVE; 647 648 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 649 return; 650 651 /* 652 * Remember the previous number of free descriptors and 653 * the first descriptor we'll use. 654 */ 655 ofree = sc->sc_txfree; 656 firsttx = sc->sc_txnext; 657 658 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 659 sc->sc_dev.dv_xname, ofree, firsttx)); 660 661 /* 662 * Loop through the send queue, setting up transmit descriptors 663 * until we drain the queue, or use up all available transmit 664 * descriptors. 665 */ 666 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 667 sc->sc_txfree != 0) { 668 /* 669 * Grab a packet off the queue. 670 */ 671 IF_DEQUEUE(&ifp->if_snd, m0); 672 if (m0 == NULL) 673 break; 674 675 dmamap = txs->txs_dmamap; 676 677 /* 678 * Load the DMA map. If this fails, the packet either 679 * didn't fit in the alloted number of segments, or we were 680 * short on resources. In this case, we'll copy and try 681 * again. 682 * 683 * Note that if we're only allowed 1 Tx segment, we 684 * have an alignment restriction. Do this test before 685 * attempting to load the DMA map, because it's more 686 * likely we'll trip the alignment test than the 687 * more-than-one-segment test. 688 */ 689 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 690 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 691 BUS_DMA_NOWAIT) != 0) { 692 MGETHDR(m, M_DONTWAIT, MT_DATA); 693 if (m == NULL) { 694 printf("%s: unable to allocate Tx mbuf\n", 695 sc->sc_dev.dv_xname); 696 IF_PREPEND(&ifp->if_snd, m0); 697 break; 698 } 699 if (m0->m_pkthdr.len > MHLEN) { 700 MCLGET(m, M_DONTWAIT); 701 if ((m->m_flags & M_EXT) == 0) { 702 printf("%s: unable to allocate Tx " 703 "cluster\n", sc->sc_dev.dv_xname); 704 m_freem(m); 705 IF_PREPEND(&ifp->if_snd, m0); 706 break; 707 } 708 } 709 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 710 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 711 m_freem(m0); 712 m0 = m; 713 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 714 m0, BUS_DMA_NOWAIT); 715 if (error) { 716 printf("%s: unable to load Tx buffer, " 717 "error = %d\n", sc->sc_dev.dv_xname, error); 718 IF_PREPEND(&ifp->if_snd, m0); 719 break; 720 } 721 } 722 723 /* 724 * Ensure we have enough descriptors free to describe 725 * the packet. 726 */ 727 if (dmamap->dm_nsegs > sc->sc_txfree) { 728 /* 729 * Not enough free descriptors to transmit this 730 * packet. We haven't committed to anything yet, 731 * so just unload the DMA map, put the packet 732 * back on the queue, and punt. Notify the upper 733 * layer that there are no more slots left. 734 * 735 * XXX We could allocate an mbuf and copy, but 736 * XXX it is worth it? 737 */ 738 ifp->if_flags |= IFF_OACTIVE; 739 bus_dmamap_unload(sc->sc_dmat, dmamap); 740 IF_PREPEND(&ifp->if_snd, m0); 741 break; 742 } 743 744 /* 745 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 746 */ 747 748 /* Sync the DMA map. */ 749 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 750 BUS_DMASYNC_PREWRITE); 751 752 /* 753 * Initialize the transmit descriptors. 754 */ 755 for (nexttx = sc->sc_txnext, seg = 0; 756 seg < dmamap->dm_nsegs; 757 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 758 /* 759 * If this is the first descriptor we're 760 * enqueueing, don't set the OWN bit just 761 * yet. That could cause a race condition. 762 * We'll do it below. 763 */ 764 sc->sc_txdescs[nexttx].td_status = 765 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 766 sc->sc_txdescs[nexttx].td_bufaddr1 = 767 htole32(dmamap->dm_segs[seg].ds_addr); 768 sc->sc_txdescs[nexttx].td_ctl = 769 htole32((dmamap->dm_segs[seg].ds_len << 770 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 771 (nexttx == (TULIP_NTXDESC - 1) ? 772 sc->sc_tdctl_er : 0)); 773 lasttx = nexttx; 774 } 775 776 /* Set `first segment' and `last segment' appropriately. */ 777 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 778 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 779 780 #ifdef TLP_DEBUG 781 if (ifp->if_flags & IFF_DEBUG) { 782 printf(" txsoft %p trainsmit chain:\n", txs); 783 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 784 printf(" descriptor %d:\n", seg); 785 printf(" td_status: 0x%08x\n", 786 le32toh(sc->sc_txdescs[seg].td_status)); 787 printf(" td_ctl: 0x%08x\n", 788 le32toh(sc->sc_txdescs[seg].td_ctl)); 789 printf(" td_bufaddr1: 0x%08x\n", 790 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 791 printf(" td_bufaddr2: 0x%08x\n", 792 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 793 if (seg == lasttx) 794 break; 795 } 796 } 797 #endif 798 799 /* Sync the descriptors we're using. */ 800 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 801 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 802 803 /* 804 * Store a pointer to the packet so we can free it later, 805 * and remember what txdirty will be once the packet is 806 * done. 807 */ 808 txs->txs_mbuf = m0; 809 txs->txs_firstdesc = sc->sc_txnext; 810 txs->txs_lastdesc = lasttx; 811 txs->txs_ndescs = dmamap->dm_nsegs; 812 813 /* Advance the tx pointer. */ 814 sc->sc_txfree -= dmamap->dm_nsegs; 815 sc->sc_txnext = nexttx; 816 817 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 818 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 819 820 last_txs = txs; 821 822 #if NBPFILTER > 0 823 /* 824 * Pass the packet to any BPF listeners. 825 */ 826 if (ifp->if_bpf) 827 bpf_mtap(ifp->if_bpf, m0); 828 #endif /* NBPFILTER > 0 */ 829 } 830 831 if (txs == NULL || sc->sc_txfree == 0) { 832 /* No more slots left; notify upper layer. */ 833 ifp->if_flags |= IFF_OACTIVE; 834 } 835 836 if (sc->sc_txfree != ofree) { 837 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 838 sc->sc_dev.dv_xname, lasttx, firsttx)); 839 /* 840 * Cause a transmit interrupt to happen on the 841 * last packet we enqueued. 842 */ 843 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 844 TULIP_CDTXSYNC(sc, lasttx, 1, 845 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 846 847 /* 848 * Some clone chips want IC on the *first* segment in 849 * the packet. Appease them. 850 */ 851 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 852 last_txs->txs_firstdesc != lasttx) { 853 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 854 htole32(TDCTL_Tx_IC); 855 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 856 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 857 } 858 859 /* 860 * The entire packet chain is set up. Give the 861 * first descriptor to the chip now. 862 */ 863 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 864 TULIP_CDTXSYNC(sc, firsttx, 1, 865 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 866 867 /* Wake up the transmitter. */ 868 /* XXX USE AUTOPOLLING? */ 869 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 870 871 /* Set a watchdog timer in case the chip flakes out. */ 872 ifp->if_timer = 5; 873 } 874 } 875 876 /* 877 * tlp_watchdog: [ifnet interface function] 878 * 879 * Watchdog timer handler. 880 */ 881 void 882 tlp_watchdog(ifp) 883 struct ifnet *ifp; 884 { 885 struct tulip_softc *sc = ifp->if_softc; 886 int doing_setup, doing_transmit; 887 888 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 889 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 890 891 if (doing_setup && doing_transmit) { 892 printf("%s: filter setup and transmit timeout\n", 893 sc->sc_dev.dv_xname); 894 ifp->if_oerrors++; 895 } else if (doing_transmit) { 896 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 897 ifp->if_oerrors++; 898 } else if (doing_setup) 899 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 900 else 901 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 902 903 (void) tlp_init(sc); 904 905 /* Try to get more packets going. */ 906 tlp_start(ifp); 907 } 908 909 /* 910 * tlp_ioctl: [ifnet interface function] 911 * 912 * Handle control requests from the operator. 913 */ 914 int 915 tlp_ioctl(ifp, cmd, data) 916 struct ifnet *ifp; 917 u_long cmd; 918 caddr_t data; 919 { 920 struct tulip_softc *sc = ifp->if_softc; 921 struct ifreq *ifr = (struct ifreq *)data; 922 struct ifaddr *ifa = (struct ifaddr *)data; 923 int s, error = 0; 924 925 s = splnet(); 926 927 switch (cmd) { 928 case SIOCSIFADDR: 929 ifp->if_flags |= IFF_UP; 930 931 switch (ifa->ifa_addr->sa_family) { 932 #ifdef INET 933 case AF_INET: 934 if ((error = tlp_init(sc)) != 0) 935 break; 936 arp_ifinit(ifp, ifa); 937 break; 938 #endif /* INET */ 939 #ifdef NS 940 case AF_NS: 941 { 942 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 943 944 if (ns_nullhost(*ina)) 945 ina->x_host = *(union ns_host *) 946 LLADDR(ifp->if_sadl); 947 else 948 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 949 ifp->if_addrlen); 950 /* Set new address. */ 951 error = tlp_init(sc); 952 break; 953 } 954 #endif /* NS */ 955 default: 956 error = tlp_init(sc); 957 break; 958 } 959 break; 960 961 case SIOCSIFMTU: 962 if (ifr->ifr_mtu > ETHERMTU) 963 error = EINVAL; 964 else 965 ifp->if_mtu = ifr->ifr_mtu; 966 break; 967 968 case SIOCSIFFLAGS: 969 #ifdef TLP_STATS 970 if (ifp->if_flags & IFF_DEBUG) 971 tlp_print_stats(sc); 972 #endif 973 if ((ifp->if_flags & IFF_UP) == 0 && 974 (ifp->if_flags & IFF_RUNNING) != 0) { 975 /* 976 * If interface is marked down and it is running, then 977 * stop it. 978 */ 979 tlp_stop(sc, 1); 980 } else if ((ifp->if_flags & IFF_UP) != 0 && 981 (ifp->if_flags & IFF_RUNNING) == 0) { 982 /* 983 * If interfase it marked up and it is stopped, then 984 * start it. 985 */ 986 error = tlp_init(sc); 987 } else if ((ifp->if_flags & IFF_UP) != 0) { 988 /* 989 * Reset the interface to pick up changes in any other 990 * flags that affect the hardware state. 991 */ 992 error = tlp_init(sc); 993 } 994 break; 995 996 case SIOCADDMULTI: 997 case SIOCDELMULTI: 998 error = (cmd == SIOCADDMULTI) ? 999 ether_addmulti(ifr, &sc->sc_ethercom) : 1000 ether_delmulti(ifr, &sc->sc_ethercom); 1001 1002 if (error == ENETRESET) { 1003 /* 1004 * Multicast list has changed. Set the filter 1005 * accordingly. 1006 */ 1007 (*sc->sc_filter_setup)(sc); 1008 error = 0; 1009 } 1010 break; 1011 1012 case SIOCSIFMEDIA: 1013 case SIOCGIFMEDIA: 1014 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1015 break; 1016 1017 default: 1018 error = EINVAL; 1019 break; 1020 } 1021 1022 /* Try to get more packets going. */ 1023 tlp_start(ifp); 1024 1025 splx(s); 1026 return (error); 1027 } 1028 1029 /* 1030 * tlp_intr: 1031 * 1032 * Interrupt service routine. 1033 */ 1034 int 1035 tlp_intr(arg) 1036 void *arg; 1037 { 1038 struct tulip_softc *sc = arg; 1039 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1040 u_int32_t status, rxstatus, txstatus; 1041 int handled = 0, txthresh; 1042 1043 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1044 1045 /* 1046 * If the interface isn't running, the interrupt couldn't 1047 * possibly have come from us. 1048 */ 1049 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1050 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1051 return (0); 1052 1053 for (;;) { 1054 status = TULIP_READ(sc, CSR_STATUS); 1055 if (status) 1056 TULIP_WRITE(sc, CSR_STATUS, status); 1057 1058 if ((status & sc->sc_inten) == 0) 1059 break; 1060 1061 handled = 1; 1062 1063 rxstatus = status & sc->sc_rxint_mask; 1064 txstatus = status & sc->sc_txint_mask; 1065 1066 if (rxstatus) { 1067 /* Grab new any new packets. */ 1068 tlp_rxintr(sc); 1069 1070 if (rxstatus & STATUS_RWT) 1071 printf("%s: receive watchdog timeout\n", 1072 sc->sc_dev.dv_xname); 1073 1074 if (rxstatus & STATUS_RU) { 1075 printf("%s: receive ring overrun\n", 1076 sc->sc_dev.dv_xname); 1077 /* Get the receive process going again. */ 1078 tlp_idle(sc, OPMODE_SR); 1079 TULIP_WRITE(sc, CSR_RXLIST, 1080 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1081 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 1082 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1083 break; 1084 } 1085 } 1086 1087 if (txstatus) { 1088 /* Sweep up transmit descriptors. */ 1089 tlp_txintr(sc); 1090 1091 if (txstatus & STATUS_TJT) 1092 printf("%s: transmit jabber timeout\n", 1093 sc->sc_dev.dv_xname); 1094 1095 if (txstatus & STATUS_UNF) { 1096 /* 1097 * Increase our transmit threshold if 1098 * another is available. 1099 */ 1100 txthresh = sc->sc_txthresh + 1; 1101 if (sc->sc_txth[txthresh].txth_name != NULL) { 1102 /* Idle the transmit process. */ 1103 tlp_idle(sc, OPMODE_ST); 1104 1105 sc->sc_txthresh = txthresh; 1106 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1107 sc->sc_opmode |= 1108 sc->sc_txth[txthresh].txth_opmode; 1109 printf("%s: transmit underrun; new " 1110 "threshold: %s\n", 1111 sc->sc_dev.dv_xname, 1112 sc->sc_txth[txthresh].txth_name); 1113 1114 /* 1115 * Set the new threshold and restart 1116 * the transmit process. 1117 */ 1118 TULIP_WRITE(sc, CSR_OPMODE, 1119 sc->sc_opmode); 1120 } 1121 /* 1122 * XXX Log every Nth underrun from 1123 * XXX now on? 1124 */ 1125 } 1126 } 1127 1128 if (status & (STATUS_TPS|STATUS_RPS)) { 1129 if (status & STATUS_TPS) 1130 printf("%s: transmit process stopped\n", 1131 sc->sc_dev.dv_xname); 1132 if (status & STATUS_RPS) 1133 printf("%s: receive process stopped\n", 1134 sc->sc_dev.dv_xname); 1135 (void) tlp_init(sc); 1136 break; 1137 } 1138 1139 if (status & STATUS_SE) { 1140 const char *str; 1141 switch (status & STATUS_EB) { 1142 case STATUS_EB_PARITY: 1143 str = "parity error"; 1144 break; 1145 1146 case STATUS_EB_MABT: 1147 str = "master abort"; 1148 break; 1149 1150 case STATUS_EB_TABT: 1151 str = "target abort"; 1152 break; 1153 1154 default: 1155 str = "unknown error"; 1156 break; 1157 } 1158 printf("%s: fatal system error: %s\n", 1159 sc->sc_dev.dv_xname, str); 1160 (void) tlp_init(sc); 1161 break; 1162 } 1163 1164 /* 1165 * Not handled: 1166 * 1167 * Transmit buffer unavailable -- normal 1168 * condition, nothing to do, really. 1169 * 1170 * General purpose timer experied -- we don't 1171 * use the general purpose timer. 1172 * 1173 * Early receive interrupt -- not available on 1174 * all chips, we just use RI. We also only 1175 * use single-segment receive DMA, so this 1176 * is mostly useless. 1177 */ 1178 } 1179 1180 /* Try to get more packets going. */ 1181 tlp_start(ifp); 1182 1183 return (handled); 1184 } 1185 1186 /* 1187 * tlp_rxintr: 1188 * 1189 * Helper; handle receive interrupts. 1190 */ 1191 void 1192 tlp_rxintr(sc) 1193 struct tulip_softc *sc; 1194 { 1195 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1196 struct ether_header *eh; 1197 struct tulip_rxsoft *rxs; 1198 struct mbuf *m; 1199 u_int32_t rxstat; 1200 int i, len; 1201 1202 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1203 rxs = &sc->sc_rxsoft[i]; 1204 1205 TULIP_CDRXSYNC(sc, i, 1206 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1207 1208 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1209 1210 if (rxstat & TDSTAT_OWN) { 1211 /* 1212 * We have processed all of the receive buffers. 1213 */ 1214 break; 1215 } 1216 1217 /* 1218 * Make sure the packet fit in one buffer. This should 1219 * always be the case. But the Lite-On PNIC, rev 33 1220 * has an awful receive engine bug, which may require 1221 * a very icky work-around. 1222 */ 1223 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1224 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1225 printf("%s: incoming packet spilled, resetting\n", 1226 sc->sc_dev.dv_xname); 1227 (void) tlp_init(sc); 1228 return; 1229 } 1230 1231 /* 1232 * If any collisions were seen on the wire, count one. 1233 */ 1234 if (rxstat & TDSTAT_Rx_CS) 1235 ifp->if_collisions++; 1236 1237 /* 1238 * If an error occured, update stats, clear the status 1239 * word, and leave the packet buffer in place. It will 1240 * simply be reused the next time the ring comes around. 1241 */ 1242 if (rxstat & TDSTAT_ES) { 1243 #define PRINTERR(bit, str) \ 1244 if (rxstat & (bit)) \ 1245 printf("%s: receive error: %s\n", \ 1246 sc->sc_dev.dv_xname, str) 1247 ifp->if_ierrors++; 1248 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1249 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1250 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1251 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1252 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1253 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1254 #undef PRINTERR 1255 TULIP_INIT_RXDESC(sc, i); 1256 continue; 1257 } 1258 1259 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1260 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1261 1262 /* 1263 * No errors; receive the packet. Note the Tulip 1264 * includes the CRC with every packet; trim it. 1265 */ 1266 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1267 1268 #ifdef __NO_STRICT_ALIGNMENT 1269 /* 1270 * Allocate a new mbuf cluster. If that fails, we are 1271 * out of memory, and must drop the packet and recycle 1272 * the buffer that's already attached to this descriptor. 1273 */ 1274 m = rxs->rxs_mbuf; 1275 if (tlp_add_rxbuf(sc, i) != 0) { 1276 ifp->if_ierrors++; 1277 TULIP_INIT_RXDESC(sc, i); 1278 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1279 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1280 continue; 1281 } 1282 #else 1283 /* 1284 * The Tulip's receive buffers must be 4-byte aligned. 1285 * But this means that the data after the Ethernet header 1286 * is misaligned. We must allocate a new buffer and 1287 * copy the data, shifted forward 2 bytes. 1288 */ 1289 MGETHDR(m, M_DONTWAIT, MT_DATA); 1290 if (m == NULL) { 1291 dropit: 1292 ifp->if_ierrors++; 1293 TULIP_INIT_RXDESC(sc, i); 1294 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1295 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1296 continue; 1297 } 1298 if (len > (MHLEN - 2)) { 1299 MCLGET(m, M_DONTWAIT); 1300 if ((m->m_flags & M_EXT) == 0) { 1301 m_freem(m); 1302 goto dropit; 1303 } 1304 } 1305 m->m_data += 2; 1306 1307 /* 1308 * Note that we use clusters for incoming frames, so the 1309 * buffer is virtually contiguous. 1310 */ 1311 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1312 1313 /* Allow the receive descriptor to continue using its mbuf. */ 1314 TULIP_INIT_RXDESC(sc, i); 1315 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1316 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1317 #endif /* __NO_STRICT_ALIGNMENT */ 1318 1319 ifp->if_ipackets++; 1320 eh = mtod(m, struct ether_header *); 1321 m->m_pkthdr.rcvif = ifp; 1322 m->m_pkthdr.len = m->m_len = len; 1323 1324 #if NBPFILTER > 0 1325 /* 1326 * Pass this up to any BPF listeners, but only 1327 * pass it up the stack if its for us. 1328 */ 1329 if (ifp->if_bpf) 1330 bpf_mtap(ifp->if_bpf, m); 1331 #endif /* NPBFILTER > 0 */ 1332 1333 /* 1334 * This test is outside the NBPFILTER block because 1335 * on the 21140 we have to use Hash-Only mode due to 1336 * a bug in the filter logic. 1337 */ 1338 if ((ifp->if_flags & IFF_PROMISC) != 0 || 1339 sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 1340 if (memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1341 ETHER_ADDR_LEN) != 0 && 1342 ETHER_IS_MULTICAST(eh->ether_dhost) == 0) { 1343 m_freem(m); 1344 continue; 1345 } 1346 } 1347 1348 /* Pass it on. */ 1349 (*ifp->if_input)(ifp, m); 1350 } 1351 1352 /* Update the recieve pointer. */ 1353 sc->sc_rxptr = i; 1354 } 1355 1356 /* 1357 * tlp_txintr: 1358 * 1359 * Helper; handle transmit interrupts. 1360 */ 1361 void 1362 tlp_txintr(sc) 1363 struct tulip_softc *sc; 1364 { 1365 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1366 struct tulip_txsoft *txs; 1367 u_int32_t txstat; 1368 1369 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1370 sc->sc_dev.dv_xname, sc->sc_flags)); 1371 1372 ifp->if_flags &= ~IFF_OACTIVE; 1373 1374 /* 1375 * Go through our Tx list and free mbufs for those 1376 * frames that have been transmitted. 1377 */ 1378 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1379 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1380 txs->txs_ndescs, 1381 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1382 1383 #ifdef TLP_DEBUG 1384 if (ifp->if_flags & IFF_DEBUG) { 1385 int i; 1386 printf(" txsoft %p trainsmit chain:\n", txs); 1387 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1388 printf(" descriptor %d:\n", i); 1389 printf(" td_status: 0x%08x\n", 1390 le32toh(sc->sc_txdescs[i].td_status)); 1391 printf(" td_ctl: 0x%08x\n", 1392 le32toh(sc->sc_txdescs[i].td_ctl)); 1393 printf(" td_bufaddr1: 0x%08x\n", 1394 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1395 printf(" td_bufaddr2: 0x%08x\n", 1396 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1397 if (i == txs->txs_lastdesc) 1398 break; 1399 } 1400 } 1401 #endif 1402 1403 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1404 if (txstat & TDSTAT_OWN) 1405 break; 1406 1407 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1408 1409 sc->sc_txfree += txs->txs_ndescs; 1410 1411 if (txs->txs_mbuf == NULL) { 1412 /* 1413 * If we didn't have an mbuf, it was the setup 1414 * packet. 1415 */ 1416 #ifdef DIAGNOSTIC 1417 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1418 panic("tlp_txintr: null mbuf, not doing setup"); 1419 #endif 1420 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1421 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1422 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1423 continue; 1424 } 1425 1426 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1427 0, txs->txs_dmamap->dm_mapsize, 1428 BUS_DMASYNC_POSTWRITE); 1429 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1430 m_freem(txs->txs_mbuf); 1431 txs->txs_mbuf = NULL; 1432 1433 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1434 1435 /* 1436 * Check for errors and collisions. 1437 */ 1438 #ifdef TLP_STATS 1439 if (txstat & TDSTAT_Tx_UF) 1440 sc->sc_stats.ts_tx_uf++; 1441 if (txstat & TDSTAT_Tx_TO) 1442 sc->sc_stats.ts_tx_to++; 1443 if (txstat & TDSTAT_Tx_EC) 1444 sc->sc_stats.ts_tx_ec++; 1445 if (txstat & TDSTAT_Tx_LC) 1446 sc->sc_stats.ts_tx_lc++; 1447 #endif 1448 1449 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1450 ifp->if_oerrors++; 1451 1452 if (txstat & TDSTAT_Tx_EC) 1453 ifp->if_collisions += 16; 1454 else 1455 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1456 if (txstat & TDSTAT_Tx_LC) 1457 ifp->if_collisions++; 1458 1459 ifp->if_opackets++; 1460 } 1461 1462 /* 1463 * If there are no more pending transmissions, cancel the watchdog 1464 * timer. 1465 */ 1466 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1467 ifp->if_timer = 0; 1468 1469 /* 1470 * If we have a receive filter setup pending, do it now. 1471 */ 1472 if (sc->sc_flags & TULIPF_WANT_SETUP) 1473 (*sc->sc_filter_setup)(sc); 1474 } 1475 1476 #ifdef TLP_STATS 1477 void 1478 tlp_print_stats(sc) 1479 struct tulip_softc *sc; 1480 { 1481 1482 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1483 sc->sc_dev.dv_xname, 1484 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1485 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1486 } 1487 #endif 1488 1489 /* 1490 * tlp_reset: 1491 * 1492 * Perform a soft reset on the Tulip. 1493 */ 1494 void 1495 tlp_reset(sc) 1496 struct tulip_softc *sc; 1497 { 1498 int i; 1499 1500 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1501 1502 /* 1503 * Xircom clone doesn't bring itself out of reset automatically. 1504 * Instead, we have to wait at least 50 PCI cycles, and then 1505 * clear SWR. 1506 */ 1507 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1508 delay(10); 1509 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1510 } 1511 1512 for (i = 0; i < 1000; i++) { 1513 /* 1514 * Wait at least 50 PCI cycles for the reset to 1515 * complete before peeking at the Tulip again. 1516 * 10 uSec is a bit longer than 50 PCI cycles 1517 * (at 33MHz), but it doesn't hurt have the extra 1518 * wait. 1519 */ 1520 delay(10); 1521 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1522 break; 1523 } 1524 1525 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1526 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1527 1528 delay(1000); 1529 1530 /* 1531 * If the board has any GPIO reset sequences to issue, do them now. 1532 */ 1533 if (sc->sc_reset != NULL) 1534 (*sc->sc_reset)(sc); 1535 } 1536 1537 /* 1538 * tlp_init: 1539 * 1540 * Initialize the interface. Must be called at splnet(). 1541 */ 1542 int 1543 tlp_init(sc) 1544 struct tulip_softc *sc; 1545 { 1546 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1547 struct tulip_txsoft *txs; 1548 struct tulip_rxsoft *rxs; 1549 int i, error = 0; 1550 1551 /* 1552 * Cancel any pending I/O. 1553 */ 1554 tlp_stop(sc, 0); 1555 1556 /* 1557 * Initialize `opmode' to 0, and call the pre-init routine, if 1558 * any. This is required because the 2114x and some of the 1559 * clones require that the media-related bits in `opmode' be 1560 * set before performing a soft-reset in order to get internal 1561 * chip pathways are correct. Yay! 1562 */ 1563 sc->sc_opmode = 0; 1564 if (sc->sc_preinit != NULL) 1565 (*sc->sc_preinit)(sc); 1566 1567 /* 1568 * Reset the Tulip to a known state. 1569 */ 1570 tlp_reset(sc); 1571 1572 /* 1573 * Initialize the BUSMODE register. 1574 */ 1575 sc->sc_busmode = BUSMODE_BAR; 1576 switch (sc->sc_chip) { 1577 case TULIP_CHIP_21140: 1578 case TULIP_CHIP_21140A: 1579 case TULIP_CHIP_21142: 1580 case TULIP_CHIP_21143: 1581 case TULIP_CHIP_82C115: 1582 case TULIP_CHIP_MX98725: 1583 /* 1584 * If we're allowed to do so, use Memory Read Line 1585 * and Memory Read Multiple. 1586 * 1587 * XXX Should we use Memory Write and Invalidate? 1588 */ 1589 if (sc->sc_flags & TULIPF_MRL) 1590 sc->sc_busmode |= BUSMODE_RLE; 1591 if (sc->sc_flags & TULIPF_MRM) 1592 sc->sc_busmode |= BUSMODE_RME; 1593 #if 0 1594 if (sc->sc_flags & TULIPF_MWI) 1595 sc->sc_busmode |= BUSMODE_WLE; 1596 #endif 1597 1598 default: 1599 /* Nothing. */ 1600 } 1601 switch (sc->sc_cacheline) { 1602 default: 1603 /* 1604 * Note: We must *always* set these bits; a cache 1605 * alignment of 0 is RESERVED. 1606 */ 1607 case 8: 1608 sc->sc_busmode |= BUSMODE_CAL_8LW; 1609 break; 1610 case 16: 1611 sc->sc_busmode |= BUSMODE_CAL_16LW; 1612 break; 1613 case 32: 1614 sc->sc_busmode |= BUSMODE_CAL_32LW; 1615 break; 1616 } 1617 switch (sc->sc_chip) { 1618 case TULIP_CHIP_82C168: 1619 case TULIP_CHIP_82C169: 1620 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1621 break; 1622 default: 1623 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1624 break; 1625 } 1626 #if BYTE_ORDER == BIG_ENDIAN 1627 /* 1628 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1629 * support them, and even on ones that do, it doesn't 1630 * always work. 1631 */ 1632 #endif 1633 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1634 1635 /* 1636 * Initialize the OPMODE register. We don't write it until 1637 * we're ready to begin the transmit and receive processes. 1638 * 1639 * Media-related OPMODE bits are set in the media callbacks 1640 * for each specific chip/board. 1641 */ 1642 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1643 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1644 1645 /* 1646 * Magical mystery initialization on the Macronix chips. 1647 * The MX98713 uses its own magic value, the rest share 1648 * a common one. 1649 */ 1650 switch (sc->sc_chip) { 1651 case TULIP_CHIP_MX98713: 1652 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1653 break; 1654 1655 case TULIP_CHIP_MX98713A: 1656 case TULIP_CHIP_MX98715: 1657 case TULIP_CHIP_MX98715A: 1658 case TULIP_CHIP_MX98725: 1659 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1660 break; 1661 1662 default: 1663 /* Nothing. */ 1664 } 1665 1666 /* 1667 * Initialize the transmit descriptor ring. 1668 */ 1669 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1670 for (i = 0; i < TULIP_NTXDESC; i++) { 1671 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1672 sc->sc_txdescs[i].td_bufaddr2 = 1673 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1674 } 1675 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1676 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1677 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1678 sc->sc_txfree = TULIP_NTXDESC; 1679 sc->sc_txnext = 0; 1680 1681 /* 1682 * Initialize the transmit job descriptors. 1683 */ 1684 SIMPLEQ_INIT(&sc->sc_txfreeq); 1685 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1686 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1687 txs = &sc->sc_txsoft[i]; 1688 txs->txs_mbuf = NULL; 1689 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1690 } 1691 1692 /* 1693 * Initialize the receive descriptor and receive job 1694 * descriptor rings. 1695 */ 1696 for (i = 0; i < TULIP_NRXDESC; i++) { 1697 rxs = &sc->sc_rxsoft[i]; 1698 if (rxs->rxs_mbuf == NULL) { 1699 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1700 printf("%s: unable to allocate or map rx " 1701 "buffer %d, error = %d\n", 1702 sc->sc_dev.dv_xname, i, error); 1703 /* 1704 * XXX Should attempt to run with fewer receive 1705 * XXX buffers instead of just failing. 1706 */ 1707 tlp_rxdrain(sc); 1708 goto out; 1709 } 1710 } 1711 } 1712 sc->sc_rxptr = 0; 1713 1714 /* 1715 * Initialize the interrupt mask and enable interrupts. 1716 */ 1717 /* normal interrupts */ 1718 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1719 1720 /* abnormal interrupts */ 1721 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1722 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1723 1724 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1725 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1726 1727 switch (sc->sc_chip) { 1728 case TULIP_CHIP_WB89C840F: 1729 /* 1730 * Clear bits that we don't want that happen to 1731 * overlap or don't exist. 1732 */ 1733 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1734 break; 1735 1736 default: 1737 /* Nothing. */ 1738 } 1739 1740 sc->sc_rxint_mask &= sc->sc_inten; 1741 sc->sc_txint_mask &= sc->sc_inten; 1742 1743 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1744 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1745 1746 /* 1747 * Give the transmit and receive rings to the Tulip. 1748 */ 1749 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1750 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1751 1752 /* 1753 * On chips that do this differently, set the station address. 1754 */ 1755 switch (sc->sc_chip) { 1756 case TULIP_CHIP_WB89C840F: 1757 { 1758 /* XXX Do this with stream writes? */ 1759 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1760 1761 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1762 bus_space_write_1(sc->sc_st, sc->sc_sh, 1763 cpa + i, LLADDR(ifp->if_sadl)[i]); 1764 } 1765 break; 1766 } 1767 1768 case TULIP_CHIP_AL981: 1769 { 1770 u_int32_t reg; 1771 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1772 1773 reg = enaddr[0] | 1774 (enaddr[1] << 8) | 1775 (enaddr[2] << 16) | 1776 (enaddr[3] << 24); 1777 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1778 1779 reg = enaddr[4] | 1780 (enaddr[5] << 8); 1781 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1782 } 1783 1784 default: 1785 /* Nothing. */ 1786 } 1787 1788 /* 1789 * Set the receive filter. This will start the transmit and 1790 * receive processes. 1791 */ 1792 (*sc->sc_filter_setup)(sc); 1793 1794 /* 1795 * Set the current media. 1796 */ 1797 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1798 1799 /* 1800 * Start the receive process. 1801 */ 1802 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1803 1804 if (sc->sc_tick != NULL) { 1805 /* Start the one second clock. */ 1806 timeout(sc->sc_tick, sc, hz); 1807 } 1808 1809 /* 1810 * Note that the interface is now running. 1811 */ 1812 ifp->if_flags |= IFF_RUNNING; 1813 ifp->if_flags &= ~IFF_OACTIVE; 1814 1815 out: 1816 if (error) 1817 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1818 return (error); 1819 } 1820 1821 /* 1822 * tlp_rxdrain: 1823 * 1824 * Drain the receive queue. 1825 */ 1826 void 1827 tlp_rxdrain(sc) 1828 struct tulip_softc *sc; 1829 { 1830 struct tulip_rxsoft *rxs; 1831 int i; 1832 1833 for (i = 0; i < TULIP_NRXDESC; i++) { 1834 rxs = &sc->sc_rxsoft[i]; 1835 if (rxs->rxs_mbuf != NULL) { 1836 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1837 m_freem(rxs->rxs_mbuf); 1838 rxs->rxs_mbuf = NULL; 1839 } 1840 } 1841 } 1842 1843 /* 1844 * tlp_stop: 1845 * 1846 * Stop transmission on the interface. 1847 */ 1848 void 1849 tlp_stop(sc, drain) 1850 struct tulip_softc *sc; 1851 int drain; 1852 { 1853 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1854 struct tulip_txsoft *txs; 1855 1856 if (sc->sc_tick != NULL) { 1857 /* Stop the one second clock. */ 1858 untimeout(sc->sc_tick, sc); 1859 } 1860 1861 if (sc->sc_flags & TULIPF_HAS_MII) { 1862 /* Down the MII. */ 1863 mii_down(&sc->sc_mii); 1864 } 1865 1866 /* Disable interrupts. */ 1867 TULIP_WRITE(sc, CSR_INTEN, 0); 1868 1869 /* Stop the transmit and receive processes. */ 1870 TULIP_WRITE(sc, CSR_OPMODE, 0); 1871 TULIP_WRITE(sc, CSR_RXLIST, 0); 1872 TULIP_WRITE(sc, CSR_TXLIST, 0); 1873 1874 /* 1875 * Release any queued transmit buffers. 1876 */ 1877 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1878 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1879 if (txs->txs_mbuf != NULL) { 1880 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1881 m_freem(txs->txs_mbuf); 1882 txs->txs_mbuf = NULL; 1883 } 1884 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1885 } 1886 1887 if (drain) { 1888 /* 1889 * Release the receive buffers. 1890 */ 1891 tlp_rxdrain(sc); 1892 } 1893 1894 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 1895 1896 /* 1897 * Mark the interface down and cancel the watchdog timer. 1898 */ 1899 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1900 ifp->if_timer = 0; 1901 } 1902 1903 #define SROM_EMIT(sc, x) \ 1904 do { \ 1905 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 1906 delay(2); \ 1907 } while (0) 1908 1909 /* 1910 * tlp_srom_idle: 1911 * 1912 * Put the SROM in idle state. 1913 */ 1914 void 1915 tlp_srom_idle(sc) 1916 struct tulip_softc *sc; 1917 { 1918 u_int32_t miirom; 1919 int i; 1920 1921 miirom = MIIROM_SR; 1922 SROM_EMIT(sc, miirom); 1923 1924 miirom |= MIIROM_RD; 1925 SROM_EMIT(sc, miirom); 1926 1927 miirom |= MIIROM_SROMCS; 1928 SROM_EMIT(sc, miirom); 1929 1930 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1931 1932 /* Strobe the clock 32 times. */ 1933 for (i = 0; i < 32; i++) { 1934 SROM_EMIT(sc, miirom); 1935 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1936 } 1937 1938 SROM_EMIT(sc, miirom); 1939 1940 miirom &= ~MIIROM_SROMCS; 1941 SROM_EMIT(sc, miirom); 1942 1943 SROM_EMIT(sc, 0); 1944 } 1945 1946 /* 1947 * tlp_srom_size: 1948 * 1949 * Determine the number of address bits in the SROM. 1950 */ 1951 int 1952 tlp_srom_size(sc) 1953 struct tulip_softc *sc; 1954 { 1955 u_int32_t miirom; 1956 int x; 1957 1958 /* Select the SROM. */ 1959 miirom = MIIROM_SR; 1960 SROM_EMIT(sc, miirom); 1961 1962 miirom |= MIIROM_RD; 1963 SROM_EMIT(sc, miirom); 1964 1965 /* Send CHIP SELECT for one clock tick. */ 1966 miirom |= MIIROM_SROMCS; 1967 SROM_EMIT(sc, miirom); 1968 1969 /* Shift in the READ opcode. */ 1970 for (x = 3; x > 0; x--) { 1971 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 1972 miirom |= MIIROM_SROMDI; 1973 else 1974 miirom &= ~MIIROM_SROMDI; 1975 SROM_EMIT(sc, miirom); 1976 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1977 SROM_EMIT(sc, miirom); 1978 } 1979 1980 /* Shift in address and look for dummy 0 bit. */ 1981 for (x = 1; x <= 12; x++) { 1982 miirom &= ~MIIROM_SROMDI; 1983 SROM_EMIT(sc, miirom); 1984 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1985 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 1986 break; 1987 SROM_EMIT(sc, miirom); 1988 } 1989 1990 /* Clear CHIP SELECT. */ 1991 miirom &= ~MIIROM_SROMCS; 1992 SROM_EMIT(sc, miirom); 1993 1994 /* Deselect the SROM. */ 1995 SROM_EMIT(sc, 0); 1996 1997 if (x > 12) { 1998 printf("%s: failed to find SROM size\n", sc->sc_dev.dv_xname); 1999 return (0); 2000 } else { 2001 #ifdef TLP_DEBUG 2002 printf("%s: SROM size is 2^%d*16 (%d) bits\n", 2003 sc->sc_dev.dv_xname, x, 1 << (x + 4)); 2004 #endif 2005 return (x); 2006 } 2007 } 2008 2009 /* 2010 * tlp_read_srom: 2011 * 2012 * Read the Tulip SROM. 2013 */ 2014 int 2015 tlp_read_srom(sc) 2016 struct tulip_softc *sc; 2017 { 2018 int size; 2019 u_int32_t miirom; 2020 u_int16_t datain; 2021 int i, x; 2022 2023 tlp_srom_idle(sc); 2024 2025 sc->sc_srom_addrbits = tlp_srom_size(sc); 2026 if (sc->sc_srom_addrbits == 0) 2027 return (0); 2028 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2029 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2030 2031 /* Select the SROM. */ 2032 miirom = MIIROM_SR; 2033 SROM_EMIT(sc, miirom); 2034 2035 miirom |= MIIROM_RD; 2036 SROM_EMIT(sc, miirom); 2037 2038 for (i = 0; i < size; i += 2) { 2039 /* Send CHIP SELECT for one clock tick. */ 2040 miirom |= MIIROM_SROMCS; 2041 SROM_EMIT(sc, miirom); 2042 2043 /* Shift in the READ opcode. */ 2044 for (x = 3; x > 0; x--) { 2045 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2046 miirom |= MIIROM_SROMDI; 2047 else 2048 miirom &= ~MIIROM_SROMDI; 2049 SROM_EMIT(sc, miirom); 2050 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2051 SROM_EMIT(sc, miirom); 2052 } 2053 2054 /* Shift in address. */ 2055 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2056 if (i & (1 << x)) 2057 miirom |= MIIROM_SROMDI; 2058 else 2059 miirom &= ~MIIROM_SROMDI; 2060 SROM_EMIT(sc, miirom); 2061 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2062 SROM_EMIT(sc, miirom); 2063 } 2064 2065 /* Shift out data. */ 2066 miirom &= ~MIIROM_SROMDI; 2067 datain = 0; 2068 for (x = 16; x > 0; x--) { 2069 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2070 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2071 datain |= (1 << (x - 1)); 2072 SROM_EMIT(sc, miirom); 2073 } 2074 sc->sc_srom[i] = datain & 0xff; 2075 sc->sc_srom[i + 1] = datain >> 8; 2076 2077 /* Clear CHIP SELECT. */ 2078 miirom &= ~MIIROM_SROMCS; 2079 SROM_EMIT(sc, miirom); 2080 } 2081 2082 /* Deselect the SROM. */ 2083 SROM_EMIT(sc, 0); 2084 2085 /* ...and idle it. */ 2086 tlp_srom_idle(sc); 2087 2088 #if 0 2089 printf("SROM CONTENTS:"); 2090 for (i = 0; i < size; i++) { 2091 if ((i % 8) == 0) 2092 printf("\n\t"); 2093 printf("0x%02x ", sc->sc_srom[i]); 2094 } 2095 printf("\n"); 2096 #endif 2097 2098 return (1); 2099 } 2100 2101 #undef SROM_EMIT 2102 2103 /* 2104 * tlp_add_rxbuf: 2105 * 2106 * Add a receive buffer to the indicated descriptor. 2107 */ 2108 int 2109 tlp_add_rxbuf(sc, idx) 2110 struct tulip_softc *sc; 2111 int idx; 2112 { 2113 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2114 struct mbuf *m; 2115 int error; 2116 2117 MGETHDR(m, M_DONTWAIT, MT_DATA); 2118 if (m == NULL) 2119 return (ENOBUFS); 2120 2121 MCLGET(m, M_DONTWAIT); 2122 if ((m->m_flags & M_EXT) == 0) { 2123 m_freem(m); 2124 return (ENOBUFS); 2125 } 2126 2127 if (rxs->rxs_mbuf != NULL) 2128 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2129 2130 rxs->rxs_mbuf = m; 2131 2132 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2133 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2134 if (error) { 2135 printf("%s: can't load rx DMA map %d, error = %d\n", 2136 sc->sc_dev.dv_xname, idx, error); 2137 panic("tlp_add_rxbuf"); /* XXX */ 2138 } 2139 2140 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2141 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2142 2143 TULIP_INIT_RXDESC(sc, idx); 2144 2145 return (0); 2146 } 2147 2148 /* 2149 * tlp_crc32: 2150 * 2151 * Compute the 32-bit CRC of the provided buffer. 2152 */ 2153 u_int32_t 2154 tlp_crc32(buf, len) 2155 const u_int8_t *buf; 2156 size_t len; 2157 { 2158 static const u_int32_t crctab[] = { 2159 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2160 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2161 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2162 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2163 }; 2164 u_int32_t crc; 2165 int i; 2166 2167 crc = 0xffffffff; 2168 for (i = 0; i < len; i++) { 2169 crc ^= buf[i]; 2170 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2171 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2172 } 2173 return (crc); 2174 } 2175 2176 /* 2177 * tlp_srom_crcok: 2178 * 2179 * Check the CRC of the Tulip SROM. 2180 */ 2181 int 2182 tlp_srom_crcok(romdata) 2183 const u_int8_t *romdata; 2184 { 2185 u_int32_t crc; 2186 2187 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM); 2188 crc = (crc & 0xffff) ^ 0xffff; 2189 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2190 return (1); 2191 2192 /* 2193 * Try an alternate checksum. 2194 */ 2195 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2196 crc = (crc & 0xffff) ^ 0xffff; 2197 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2198 return (1); 2199 2200 return (0); 2201 } 2202 2203 /* 2204 * tlp_isv_srom: 2205 * 2206 * Check to see if the SROM is in the new standardized format. 2207 */ 2208 int 2209 tlp_isv_srom(romdata) 2210 const u_int8_t *romdata; 2211 { 2212 int i; 2213 u_int16_t cksum; 2214 2215 if (tlp_srom_crcok(romdata)) { 2216 /* 2217 * SROM CRC checks out; must be in the new format. 2218 */ 2219 return (1); 2220 } 2221 2222 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2223 if (cksum == 0xffff || cksum == 0) { 2224 /* 2225 * No checksum present. Check the SROM ID; 18 bytes of 0 2226 * followed by 1 (version) followed by the number of 2227 * adapters which use this SROM (should be non-zero). 2228 */ 2229 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2230 if (romdata[i] != 0) 2231 return (0); 2232 } 2233 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2234 return (0); 2235 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2236 return (0); 2237 return (1); 2238 } 2239 2240 return (0); 2241 } 2242 2243 /* 2244 * tlp_isv_srom_enaddr: 2245 * 2246 * Get the Ethernet address from an ISV SROM. 2247 */ 2248 int 2249 tlp_isv_srom_enaddr(sc, enaddr) 2250 struct tulip_softc *sc; 2251 u_int8_t *enaddr; 2252 { 2253 int i, devcnt; 2254 2255 if (tlp_isv_srom(sc->sc_srom) == 0) 2256 return (0); 2257 2258 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2259 for (i = 0; i < devcnt; i++) { 2260 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2261 break; 2262 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2263 sc->sc_devno) 2264 break; 2265 } 2266 2267 if (i == devcnt) 2268 return (0); 2269 2270 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2271 ETHER_ADDR_LEN); 2272 enaddr[5] += i; 2273 2274 return (1); 2275 } 2276 2277 /* 2278 * tlp_parse_old_srom: 2279 * 2280 * Parse old-format SROMs. 2281 * 2282 * This routine is largely lifted from Matt Thomas's `de' driver. 2283 */ 2284 int 2285 tlp_parse_old_srom(sc, enaddr) 2286 struct tulip_softc *sc; 2287 u_int8_t *enaddr; 2288 { 2289 static const u_int8_t testpat[] = 2290 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2291 int i; 2292 u_int32_t cksum; 2293 2294 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2295 /* 2296 * Some vendors (e.g. ZNYX) don't use the standard 2297 * DEC Address ROM format, but rather just have an 2298 * Ethernet address in the first 6 bytes, maybe a 2299 * 2 byte checksum, and then all 0xff's. 2300 * 2301 * On the other hand, Cobalt Networks interfaces 2302 * simply have the address in the first six bytes 2303 * with the rest zeroed out. 2304 */ 2305 for (i = 8; i < 32; i++) { 2306 if (sc->sc_srom[i] != 0xff && 2307 sc->sc_srom[i] != 0) 2308 return (0); 2309 } 2310 2311 /* 2312 * Sanity check the Ethernet address: 2313 * 2314 * - Make sure it's not multicast or locally 2315 * assigned 2316 * - Make sure it has a non-0 OUI 2317 */ 2318 if (sc->sc_srom[0] & 3) 2319 return (0); 2320 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2321 sc->sc_srom[2] == 0) 2322 return (0); 2323 2324 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2325 return (1); 2326 } 2327 2328 /* 2329 * Standard DEC Address ROM test. 2330 */ 2331 2332 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2333 return (0); 2334 2335 for (i = 0; i < 8; i++) { 2336 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2337 return (0); 2338 } 2339 2340 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2341 2342 cksum = *(u_int16_t *) &enaddr[0]; 2343 2344 cksum <<= 1; 2345 if (cksum > 0xffff) 2346 cksum -= 0xffff; 2347 2348 cksum += *(u_int16_t *) &enaddr[2]; 2349 if (cksum > 0xffff) 2350 cksum -= 0xffff; 2351 2352 cksum <<= 1; 2353 if (cksum > 0xffff) 2354 cksum -= 0xffff; 2355 2356 cksum += *(u_int16_t *) &enaddr[4]; 2357 if (cksum >= 0xffff) 2358 cksum -= 0xffff; 2359 2360 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2361 return (0); 2362 2363 return (1); 2364 } 2365 2366 /* 2367 * tlp_filter_setup: 2368 * 2369 * Set the Tulip's receive filter. 2370 */ 2371 void 2372 tlp_filter_setup(sc) 2373 struct tulip_softc *sc; 2374 { 2375 struct ethercom *ec = &sc->sc_ethercom; 2376 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2377 struct ether_multi *enm; 2378 struct ether_multistep step; 2379 __volatile u_int32_t *sp; 2380 struct tulip_txsoft *txs; 2381 u_int8_t enaddr[ETHER_ADDR_LEN]; 2382 u_int32_t hash, hashsize; 2383 int cnt; 2384 2385 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2386 sc->sc_dev.dv_xname, sc->sc_flags)); 2387 2388 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2389 2390 /* 2391 * If there are transmissions pending, wait until they have 2392 * completed. 2393 */ 2394 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2395 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2396 sc->sc_flags |= TULIPF_WANT_SETUP; 2397 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2398 sc->sc_dev.dv_xname)); 2399 return; 2400 } 2401 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2402 2403 switch (sc->sc_chip) { 2404 case TULIP_CHIP_82C115: 2405 hashsize = TULIP_PNICII_HASHSIZE; 2406 break; 2407 2408 default: 2409 hashsize = TULIP_MCHASHSIZE; 2410 } 2411 2412 /* 2413 * If we're running, idle the transmit and receive engines. If 2414 * we're NOT running, we're being called from tlp_init(), and our 2415 * writing OPMODE will start the transmit and receive processes 2416 * in motion. 2417 */ 2418 if (ifp->if_flags & IFF_RUNNING) { 2419 /* 2420 * Actually, some chips seem to need a really hard 2421 * kick in the head for this to work. The genuine 2422 * DEC chips can just be idled, but some of the 2423 * clones seem to REALLY want a reset here. Doing 2424 * the reset will end up here again, but with 2425 * IFF_RUNNING cleared. 2426 */ 2427 switch (sc->sc_chip) { 2428 case TULIP_CHIP_82C168: 2429 case TULIP_CHIP_82C169: 2430 tlp_init(sc); 2431 return; 2432 2433 default: 2434 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2435 } 2436 } 2437 2438 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2439 2440 if (ifp->if_flags & IFF_PROMISC) { 2441 sc->sc_opmode |= OPMODE_PR; 2442 goto allmulti; 2443 } 2444 2445 /* 2446 * Try Perfect filtering first. 2447 */ 2448 2449 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2450 sp = TULIP_CDSP(sc); 2451 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2452 cnt = 0; 2453 ETHER_FIRST_MULTI(step, ec, enm); 2454 while (enm != NULL) { 2455 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2456 /* 2457 * We must listen to a range of multicast addresses. 2458 * For now, just accept all multicasts, rather than 2459 * trying to set only those filter bits needed to match 2460 * the range. (At this time, the only use of address 2461 * ranges is for IP multicast routing, for which the 2462 * range is big enough to require all bits set.) 2463 */ 2464 goto allmulti; 2465 } 2466 if (cnt == (TULIP_MAXADDRS - 2)) { 2467 /* 2468 * We already have our multicast limit (still need 2469 * our station address and broadcast). Go to 2470 * Hash-Perfect mode. 2471 */ 2472 goto hashperfect; 2473 } 2474 cnt++; 2475 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2476 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2477 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2478 ETHER_NEXT_MULTI(step, enm); 2479 } 2480 2481 if (ifp->if_flags & IFF_BROADCAST) { 2482 /* ...and the broadcast address. */ 2483 cnt++; 2484 *sp++ = TULIP_SP_FIELD_C(0xffff); 2485 *sp++ = TULIP_SP_FIELD_C(0xffff); 2486 *sp++ = TULIP_SP_FIELD_C(0xffff); 2487 } 2488 2489 /* Pad the rest with our station address. */ 2490 for (; cnt < TULIP_MAXADDRS; cnt++) { 2491 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2492 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2493 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2494 } 2495 ifp->if_flags &= ~IFF_ALLMULTI; 2496 goto setit; 2497 2498 hashperfect: 2499 /* 2500 * Try Hash-Perfect mode. 2501 */ 2502 2503 /* 2504 * Some 21140 chips have broken Hash-Perfect modes. On these 2505 * chips, we simply use Hash-Only mode, and put our station 2506 * address into the filter. 2507 */ 2508 if (sc->sc_chip == TULIP_CHIP_21140) 2509 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2510 else 2511 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2512 sp = TULIP_CDSP(sc); 2513 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2514 ETHER_FIRST_MULTI(step, ec, enm); 2515 while (enm != NULL) { 2516 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2517 /* 2518 * We must listen to a range of multicast addresses. 2519 * For now, just accept all multicasts, rather than 2520 * trying to set only those filter bits needed to match 2521 * the range. (At this time, the only use of address 2522 * ranges is for IP multicast routing, for which the 2523 * range is big enough to require all bits set.) 2524 */ 2525 goto allmulti; 2526 } 2527 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2528 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2529 ETHER_NEXT_MULTI(step, enm); 2530 } 2531 2532 if (ifp->if_flags & IFF_BROADCAST) { 2533 /* ...and the broadcast address. */ 2534 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2535 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2536 } 2537 2538 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2539 /* ...and our station address. */ 2540 hash = tlp_mchash(enaddr, hashsize); 2541 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2542 } else { 2543 /* 2544 * Hash-Perfect mode; put our station address after 2545 * the hash table. 2546 */ 2547 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2548 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2549 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2550 } 2551 ifp->if_flags &= ~IFF_ALLMULTI; 2552 goto setit; 2553 2554 allmulti: 2555 /* 2556 * Use Perfect filter mode. First address is the broadcast address, 2557 * and pad the rest with our station address. We'll set Pass-all- 2558 * multicast in OPMODE below. 2559 */ 2560 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2561 sp = TULIP_CDSP(sc); 2562 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2563 cnt = 0; 2564 if (ifp->if_flags & IFF_BROADCAST) { 2565 cnt++; 2566 *sp++ = TULIP_SP_FIELD_C(0xffff); 2567 *sp++ = TULIP_SP_FIELD_C(0xffff); 2568 *sp++ = TULIP_SP_FIELD_C(0xffff); 2569 } 2570 for (; cnt < TULIP_MAXADDRS; cnt++) { 2571 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2572 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2573 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2574 } 2575 ifp->if_flags |= IFF_ALLMULTI; 2576 2577 setit: 2578 if (ifp->if_flags & IFF_ALLMULTI) 2579 sc->sc_opmode |= OPMODE_PM; 2580 2581 /* Sync the setup packet buffer. */ 2582 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2583 2584 /* 2585 * Fill in the setup packet descriptor. 2586 */ 2587 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2588 2589 txs->txs_firstdesc = sc->sc_txnext; 2590 txs->txs_lastdesc = sc->sc_txnext; 2591 txs->txs_ndescs = 1; 2592 txs->txs_mbuf = NULL; 2593 2594 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2595 htole32(TULIP_CDSPADDR(sc)); 2596 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2597 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2598 sc->sc_filtmode | TDCTL_Tx_SET | TDCTL_Tx_FS | 2599 TDCTL_Tx_LS | TDCTL_Tx_IC | sc->sc_tdctl_ch | 2600 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2601 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2602 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2603 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2604 2605 /* Advance the tx pointer. */ 2606 sc->sc_txfree -= 1; 2607 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2608 2609 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2610 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2611 2612 /* 2613 * Set the OPMODE register. This will also resume the 2614 * transmit transmit process we idled above. 2615 */ 2616 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2617 2618 sc->sc_flags |= TULIPF_DOING_SETUP; 2619 2620 /* 2621 * Kick the transmitter; this will cause the Tulip to 2622 * read the setup descriptor. 2623 */ 2624 /* XXX USE AUTOPOLLING? */ 2625 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2626 2627 /* Set up a watchdog timer in case the chip flakes out. */ 2628 ifp->if_timer = 5; 2629 2630 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2631 } 2632 2633 /* 2634 * tlp_winb_filter_setup: 2635 * 2636 * Set the Winbond 89C840F's receive filter. 2637 */ 2638 void 2639 tlp_winb_filter_setup(sc) 2640 struct tulip_softc *sc; 2641 { 2642 struct ethercom *ec = &sc->sc_ethercom; 2643 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2644 struct ether_multi *enm; 2645 struct ether_multistep step; 2646 u_int32_t hash, mchash[2]; 2647 2648 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2649 sc->sc_dev.dv_xname, sc->sc_flags)); 2650 2651 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2652 2653 if (ifp->if_flags & IFF_MULTICAST) 2654 sc->sc_opmode |= OPMODE_WINB_AMP; 2655 2656 if (ifp->if_flags & IFF_BROADCAST) 2657 sc->sc_opmode |= OPMODE_WINB_ABP; 2658 2659 if (ifp->if_flags & IFF_PROMISC) { 2660 sc->sc_opmode |= OPMODE_WINB_APP; 2661 goto allmulti; 2662 } 2663 2664 mchash[0] = mchash[1] = 0; 2665 2666 ETHER_FIRST_MULTI(step, ec, enm); 2667 while (enm != NULL) { 2668 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2669 /* 2670 * We must listen to a range of multicast addresses. 2671 * For now, just accept all multicasts, rather than 2672 * trying to set only those filter bits needed to match 2673 * the range. (At this time, the only use of address 2674 * ranges is for IP multicast routing, for which the 2675 * range is big enough to require all bits set.) 2676 */ 2677 goto allmulti; 2678 } 2679 2680 /* 2681 * According to the FreeBSD `wb' driver, yes, you 2682 * really do invert the hash. 2683 */ 2684 hash = (~(tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2685 & 0x3f; 2686 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2687 ETHER_NEXT_MULTI(step, enm); 2688 } 2689 ifp->if_flags &= ~IFF_ALLMULTI; 2690 goto setit; 2691 2692 allmulti: 2693 ifp->if_flags |= IFF_ALLMULTI; 2694 mchash[0] = mchash[1] = 0xffffffff; 2695 2696 setit: 2697 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2698 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2699 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2700 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2701 sc->sc_dev.dv_xname)); 2702 } 2703 2704 /* 2705 * tlp_al981_filter_setup: 2706 * 2707 * Set the ADMtek AL981's receive filter. 2708 */ 2709 void 2710 tlp_al981_filter_setup(sc) 2711 struct tulip_softc *sc; 2712 { 2713 struct ethercom *ec = &sc->sc_ethercom; 2714 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2715 struct ether_multi *enm; 2716 struct ether_multistep step; 2717 u_int32_t hash, mchash[2]; 2718 2719 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2720 sc->sc_dev.dv_xname, sc->sc_flags)); 2721 2722 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2723 2724 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2725 2726 if (ifp->if_flags & IFF_PROMISC) { 2727 sc->sc_opmode |= OPMODE_PR; 2728 goto allmulti; 2729 } 2730 2731 mchash[0] = mchash[1] = 0; 2732 2733 ETHER_FIRST_MULTI(step, ec, enm); 2734 while (enm != NULL) { 2735 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2736 /* 2737 * We must listen to a range of multicast addresses. 2738 * For now, just accept all multicasts, rather than 2739 * trying to set only those filter bits needed to match 2740 * the range. (At this time, the only use of address 2741 * ranges is for IP multicast routing, for which the 2742 * range is big enough to require all bits set.) 2743 */ 2744 goto allmulti; 2745 } 2746 2747 hash = (tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 2748 & 0x3f; 2749 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2750 ETHER_NEXT_MULTI(step, enm); 2751 } 2752 ifp->if_flags &= ~IFF_ALLMULTI; 2753 goto setit; 2754 2755 allmulti: 2756 ifp->if_flags |= IFF_ALLMULTI; 2757 mchash[0] = mchash[1] = 0xffffffff; 2758 2759 setit: 2760 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2761 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2762 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2763 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2764 sc->sc_dev.dv_xname)); 2765 } 2766 2767 /* 2768 * tlp_idle: 2769 * 2770 * Cause the transmit and/or receive processes to go idle. 2771 */ 2772 void 2773 tlp_idle(sc, bits) 2774 struct tulip_softc *sc; 2775 u_int32_t bits; 2776 { 2777 static const char *tx_state_names[] = { 2778 "STOPPED", 2779 "RUNNING - FETCH", 2780 "RUNNING - WAIT", 2781 "RUNNING - READING", 2782 "-- RESERVED --", 2783 "RUNNING - SETUP", 2784 "SUSPENDED", 2785 "RUNNING - CLOSE", 2786 }; 2787 static const char *rx_state_names[] = { 2788 "STOPPED", 2789 "RUNNING - FETCH", 2790 "RUNNING - CHECK", 2791 "RUNNING - WAIT", 2792 "SUSPENDED", 2793 "RUNNING - CLOSE", 2794 "RUNNING - FLUSH", 2795 "RUNNING - QUEUE", 2796 }; 2797 u_int32_t csr, ackmask = 0; 2798 int i; 2799 2800 if (bits & OPMODE_ST) 2801 ackmask |= STATUS_TPS; 2802 2803 if (bits & OPMODE_SR) 2804 ackmask |= STATUS_RPS; 2805 2806 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2807 2808 for (i = 0; i < 1000; i++) { 2809 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2810 break; 2811 delay(10); 2812 } 2813 2814 csr = TULIP_READ(sc, CSR_STATUS); 2815 if ((csr & ackmask) != ackmask) { 2816 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2817 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2818 printf("%s: transmit process failed to idle: " 2819 "state %s\n", sc->sc_dev.dv_xname, 2820 tx_state_names[(csr & STATUS_TS) >> 20]); 2821 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2822 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2823 printf("%s: receive process failed to idle: " 2824 "state %s\n", sc->sc_dev.dv_xname, 2825 rx_state_names[(csr & STATUS_RS) >> 17]); 2826 } 2827 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2828 } 2829 2830 /***************************************************************************** 2831 * Generic media support functions. 2832 *****************************************************************************/ 2833 2834 /* 2835 * tlp_mediastatus: [ifmedia interface function] 2836 * 2837 * Query the current media. 2838 */ 2839 void 2840 tlp_mediastatus(ifp, ifmr) 2841 struct ifnet *ifp; 2842 struct ifmediareq *ifmr; 2843 { 2844 struct tulip_softc *sc = ifp->if_softc; 2845 2846 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 2847 } 2848 2849 /* 2850 * tlp_mediachange: [ifmedia interface function] 2851 * 2852 * Update the current media. 2853 */ 2854 int 2855 tlp_mediachange(ifp) 2856 struct ifnet *ifp; 2857 { 2858 struct tulip_softc *sc = ifp->if_softc; 2859 2860 return ((*sc->sc_mediasw->tmsw_set)(sc)); 2861 } 2862 2863 /***************************************************************************** 2864 * Support functions for MII-attached media. 2865 *****************************************************************************/ 2866 2867 /* 2868 * tlp_mii_tick: 2869 * 2870 * One second timer, used to tick the MII. 2871 */ 2872 void 2873 tlp_mii_tick(arg) 2874 void *arg; 2875 { 2876 struct tulip_softc *sc = arg; 2877 int s; 2878 2879 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 2880 return; 2881 2882 s = splnet(); 2883 mii_tick(&sc->sc_mii); 2884 splx(s); 2885 2886 timeout(sc->sc_tick, sc, hz); 2887 } 2888 2889 /* 2890 * tlp_mii_statchg: [mii interface function] 2891 * 2892 * Callback from PHY when media changes. 2893 */ 2894 void 2895 tlp_mii_statchg(self) 2896 struct device *self; 2897 { 2898 struct tulip_softc *sc = (struct tulip_softc *)self; 2899 2900 /* Idle the transmit and receive processes. */ 2901 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2902 2903 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 2904 2905 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 2906 sc->sc_opmode |= OPMODE_TTM; 2907 else 2908 sc->sc_opmode |= OPMODE_HBD; 2909 2910 if (sc->sc_mii.mii_media_active & IFM_FDX) 2911 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 2912 2913 /* 2914 * Write new OPMODE bits. This also restarts the transmit 2915 * and receive processes. 2916 */ 2917 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2918 } 2919 2920 /* 2921 * tlp_winb_mii_statchg: [mii interface function] 2922 * 2923 * Callback from PHY when media changes. This version is 2924 * for the Winbond 89C840F, which has different OPMODE bits. 2925 */ 2926 void 2927 tlp_winb_mii_statchg(self) 2928 struct device *self; 2929 { 2930 struct tulip_softc *sc = (struct tulip_softc *)self; 2931 2932 /* Idle the transmit and receive processes. */ 2933 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2934 2935 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 2936 2937 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 2938 sc->sc_opmode |= OPMODE_WINB_FES; 2939 2940 if (sc->sc_mii.mii_media_active & IFM_FDX) 2941 sc->sc_opmode |= OPMODE_FD; 2942 2943 /* 2944 * Write new OPMODE bits. This also restarts the transmit 2945 * and receive processes. 2946 */ 2947 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2948 } 2949 2950 /* 2951 * tlp_mii_getmedia: 2952 * 2953 * Callback from ifmedia to request current media status. 2954 */ 2955 void 2956 tlp_mii_getmedia(sc, ifmr) 2957 struct tulip_softc *sc; 2958 struct ifmediareq *ifmr; 2959 { 2960 2961 mii_pollstat(&sc->sc_mii); 2962 ifmr->ifm_status = sc->sc_mii.mii_media_status; 2963 ifmr->ifm_active = sc->sc_mii.mii_media_active; 2964 } 2965 2966 /* 2967 * tlp_mii_setmedia: 2968 * 2969 * Callback from ifmedia to request new media setting. 2970 */ 2971 int 2972 tlp_mii_setmedia(sc) 2973 struct tulip_softc *sc; 2974 { 2975 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2976 2977 if (ifp->if_flags & IFF_UP) 2978 mii_mediachg(&sc->sc_mii); 2979 return (0); 2980 } 2981 2982 /* 2983 * tlp_bitbang_mii_readreg: 2984 * 2985 * Read a PHY register via bit-bang'ing the MII. 2986 */ 2987 int 2988 tlp_bitbang_mii_readreg(self, phy, reg) 2989 struct device *self; 2990 int phy, reg; 2991 { 2992 struct tulip_softc *sc = (void *) self; 2993 2994 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 2995 } 2996 2997 /* 2998 * tlp_bitbang_mii_writereg: 2999 * 3000 * Write a PHY register via bit-bang'ing the MII. 3001 */ 3002 void 3003 tlp_bitbang_mii_writereg(self, phy, reg, val) 3004 struct device *self; 3005 int phy, reg, val; 3006 { 3007 struct tulip_softc *sc = (void *) self; 3008 3009 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3010 } 3011 3012 /* 3013 * tlp_sio_mii_bitbang_read: 3014 * 3015 * Read the MII serial port for the MII bit-bang module. 3016 */ 3017 u_int32_t 3018 tlp_sio_mii_bitbang_read(self) 3019 struct device *self; 3020 { 3021 struct tulip_softc *sc = (void *) self; 3022 3023 return (TULIP_READ(sc, CSR_MIIROM)); 3024 } 3025 3026 /* 3027 * tlp_sio_mii_bitbang_write: 3028 * 3029 * Write the MII serial port for the MII bit-bang module. 3030 */ 3031 void 3032 tlp_sio_mii_bitbang_write(self, val) 3033 struct device *self; 3034 u_int32_t val; 3035 { 3036 struct tulip_softc *sc = (void *) self; 3037 3038 TULIP_WRITE(sc, CSR_MIIROM, val); 3039 } 3040 3041 /* 3042 * tlp_pnic_mii_readreg: 3043 * 3044 * Read a PHY register on the Lite-On PNIC. 3045 */ 3046 int 3047 tlp_pnic_mii_readreg(self, phy, reg) 3048 struct device *self; 3049 int phy, reg; 3050 { 3051 struct tulip_softc *sc = (void *) self; 3052 u_int32_t val; 3053 int i; 3054 3055 TULIP_WRITE(sc, CSR_PNIC_MII, 3056 PNIC_MII_MBO | PNIC_MII_RESERVED | 3057 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3058 (reg << PNIC_MII_REGSHIFT)); 3059 3060 for (i = 0; i < 1000; i++) { 3061 delay(10); 3062 val = TULIP_READ(sc, CSR_PNIC_MII); 3063 if ((val & PNIC_MII_BUSY) == 0) { 3064 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3065 return (0); 3066 else 3067 return (val & PNIC_MII_DATA); 3068 } 3069 } 3070 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3071 return (0); 3072 } 3073 3074 /* 3075 * tlp_pnic_mii_writereg: 3076 * 3077 * Write a PHY register on the Lite-On PNIC. 3078 */ 3079 void 3080 tlp_pnic_mii_writereg(self, phy, reg, val) 3081 struct device *self; 3082 int phy, reg, val; 3083 { 3084 struct tulip_softc *sc = (void *) self; 3085 int i; 3086 3087 TULIP_WRITE(sc, CSR_PNIC_MII, 3088 PNIC_MII_MBO | PNIC_MII_RESERVED | 3089 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3090 (reg << PNIC_MII_REGSHIFT) | val); 3091 3092 for (i = 0; i < 1000; i++) { 3093 delay(10); 3094 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3095 return; 3096 } 3097 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3098 } 3099 3100 const bus_addr_t tlp_al981_phy_regmap[] = { 3101 CSR_ADM_BMCR, 3102 CSR_ADM_BMSR, 3103 CSR_ADM_PHYIDR1, 3104 CSR_ADM_PHYIDR2, 3105 CSR_ADM_ANAR, 3106 CSR_ADM_ANLPAR, 3107 CSR_ADM_ANER, 3108 3109 CSR_ADM_XMC, 3110 CSR_ADM_XCIIS, 3111 CSR_ADM_XIE, 3112 CSR_ADM_100CTR, 3113 }; 3114 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3115 sizeof(tlp_al981_phy_regmap[0]); 3116 3117 /* 3118 * tlp_al981_mii_readreg: 3119 * 3120 * Read a PHY register on the ADMtek AL981. 3121 */ 3122 int 3123 tlp_al981_mii_readreg(self, phy, reg) 3124 struct device *self; 3125 int phy, reg; 3126 { 3127 struct tulip_softc *sc = (struct tulip_softc *)self; 3128 3129 /* AL981 only has an internal PHY. */ 3130 if (phy != 0) 3131 return (0); 3132 3133 if (reg >= tlp_al981_phy_regmap_size) 3134 return (0); 3135 3136 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3137 tlp_al981_phy_regmap[reg]) & 0xffff); 3138 } 3139 3140 /* 3141 * tlp_al981_mii_writereg: 3142 * 3143 * Write a PHY register on the ADMtek AL981. 3144 */ 3145 void 3146 tlp_al981_mii_writereg(self, phy, reg, val) 3147 struct device *self; 3148 int phy, reg, val; 3149 { 3150 struct tulip_softc *sc = (struct tulip_softc *)self; 3151 3152 /* AL981 only has an internal PHY. */ 3153 if (phy != 0) 3154 return; 3155 3156 if (reg >= tlp_al981_phy_regmap_size) 3157 return; 3158 3159 bus_space_write_4(sc->sc_st, sc->sc_sh, 3160 tlp_al981_phy_regmap[reg], val); 3161 } 3162 3163 /***************************************************************************** 3164 * Chip-specific pre-init and reset functions. 3165 *****************************************************************************/ 3166 3167 /* 3168 * tlp_2114x_preinit: 3169 * 3170 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3171 */ 3172 void 3173 tlp_2114x_preinit(sc) 3174 struct tulip_softc *sc; 3175 { 3176 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3177 struct tulip_21x4x_media *tm = ife->ifm_aux; 3178 3179 /* 3180 * Whether or not we're in MII or SIA/SYM mode, the media info 3181 * contains the appropriate OPMODE bits. 3182 * 3183 * Note that if we have no media info, we are are doing 3184 * non-MII `auto'. 3185 * 3186 * Also, we always set the Must-Be-One bit. 3187 */ 3188 if (tm == NULL) { 3189 #ifdef DIAGNOSTIC 3190 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3191 panic("tlp_2114x_preinit: not IFM_AUTO"); 3192 if (sc->sc_nway_active == NULL) 3193 panic("tlp_2114x_preinit: nway_active NULL"); 3194 #endif 3195 tm = sc->sc_nway_active->ifm_aux; 3196 } 3197 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3198 3199 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3200 } 3201 3202 /* 3203 * tlp_2114x_mii_preinit: 3204 * 3205 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3206 * This version is used by boards which only have MII and don't have 3207 * an ISV SROM. 3208 */ 3209 void 3210 tlp_2114x_mii_preinit(sc) 3211 struct tulip_softc *sc; 3212 { 3213 3214 /* 3215 * Always set the Must-Be-One bit, and Port Select (to select MII). 3216 * We'll never be called during a media change. 3217 */ 3218 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3219 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3220 } 3221 3222 /* 3223 * tlp_pnic_preinit: 3224 * 3225 * Pre-init function for the Lite-On 82c168 and 82c169. 3226 */ 3227 void 3228 tlp_pnic_preinit(sc) 3229 struct tulip_softc *sc; 3230 { 3231 3232 if (sc->sc_flags & TULIPF_HAS_MII) { 3233 /* 3234 * MII case: just set the port-select bit; we will never 3235 * be called during a media change. 3236 */ 3237 sc->sc_opmode |= OPMODE_PS; 3238 } else { 3239 /* 3240 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3241 */ 3242 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3243 } 3244 } 3245 3246 /* 3247 * tlp_21140_reset: 3248 * 3249 * Issue a reset sequence on the 21140 via the GPIO facility. 3250 */ 3251 void 3252 tlp_21140_reset(sc) 3253 struct tulip_softc *sc; 3254 { 3255 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3256 struct tulip_21x4x_media *tm = ife->ifm_aux; 3257 int i; 3258 3259 /* First, set the direction on the GPIO pins. */ 3260 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3261 3262 /* Now, issue the reset sequence. */ 3263 for (i = 0; i < tm->tm_reset_length; i++) { 3264 delay(10); 3265 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3266 } 3267 3268 /* Now, issue the selection sequence. */ 3269 for (i = 0; i < tm->tm_gp_length; i++) { 3270 delay(10); 3271 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3272 } 3273 3274 /* If there were no sequences, just lower the pins. */ 3275 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3276 TULIP_WRITE(sc, CSR_GPP, 0); 3277 } 3278 3279 /* 3280 * tlp_21142_reset: 3281 * 3282 * Issue a reset sequence on the 21142 via the GPIO facility. 3283 */ 3284 void 3285 tlp_21142_reset(sc) 3286 struct tulip_softc *sc; 3287 { 3288 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3289 struct tulip_21x4x_media *tm = ife->ifm_aux; 3290 const u_int8_t *ncp; 3291 int i; 3292 3293 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3294 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3295 delay(10); 3296 TULIP_WRITE(sc, CSR_SIAGEN, 3297 TULIP_ROM_GETW(ncp, 0) << 16); 3298 } 3299 3300 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3301 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3302 delay(10); 3303 TULIP_WRITE(sc, CSR_SIAGEN, 3304 TULIP_ROM_GETW(ncp, 0) << 16); 3305 } 3306 3307 /* If there were no sequences, just lower the pins. */ 3308 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3309 delay(10); 3310 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3311 } 3312 } 3313 3314 /* 3315 * tlp_pmac_reset: 3316 * 3317 * Reset routine for Macronix chips. 3318 */ 3319 void 3320 tlp_pmac_reset(sc) 3321 struct tulip_softc *sc; 3322 { 3323 3324 switch (sc->sc_chip) { 3325 case TULIP_CHIP_82C115: 3326 case TULIP_CHIP_MX98715: 3327 case TULIP_CHIP_MX98715A: 3328 case TULIP_CHIP_MX98725: 3329 /* 3330 * Set the LED operating mode. This information is located 3331 * in the EEPROM at byte offset 0x77, per the MX98715A and 3332 * MX98725 application notes. 3333 */ 3334 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3335 break; 3336 3337 default: 3338 /* Nothing. */ 3339 } 3340 } 3341 3342 /***************************************************************************** 3343 * Chip/board-specific media switches. The ones here are ones that 3344 * are potentially common to multiple front-ends. 3345 *****************************************************************************/ 3346 3347 /* 3348 * This table is a common place for all sorts of media information, 3349 * keyed off of the SROM media code for that media. 3350 * 3351 * Note that we explicitly configure the 21142/21143 to always advertise 3352 * NWay capabilities when using the UTP port. 3353 * XXX Actually, we don't yet. 3354 */ 3355 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3356 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3357 "10baseT", 3358 0, 3359 { SIACONN_21040_10BASET, 3360 SIATXRX_21040_10BASET, 3361 SIAGEN_21040_10BASET }, 3362 3363 { SIACONN_21041_10BASET, 3364 SIATXRX_21041_10BASET, 3365 SIAGEN_21041_10BASET }, 3366 3367 { SIACONN_21142_10BASET, 3368 SIATXRX_21142_10BASET, 3369 SIAGEN_21142_10BASET } }, 3370 3371 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3372 "10base2", 3373 0, 3374 { 0, 3375 0, 3376 0 }, 3377 3378 { SIACONN_21041_BNC, 3379 SIATXRX_21041_BNC, 3380 SIAGEN_21041_BNC }, 3381 3382 { SIACONN_21142_BNC, 3383 SIATXRX_21142_BNC, 3384 SIAGEN_21142_BNC } }, 3385 3386 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3387 "10base5", 3388 0, 3389 { SIACONN_21040_AUI, 3390 SIATXRX_21040_AUI, 3391 SIAGEN_21040_AUI }, 3392 3393 { SIACONN_21041_AUI, 3394 SIATXRX_21041_AUI, 3395 SIAGEN_21041_AUI }, 3396 3397 { SIACONN_21142_AUI, 3398 SIATXRX_21142_AUI, 3399 SIAGEN_21142_AUI } }, 3400 3401 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3402 "100baseTX", 3403 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3404 { 0, 3405 0, 3406 0 }, 3407 3408 { 0, 3409 0, 3410 0 }, 3411 3412 { 0, 3413 0, 3414 SIAGEN_ABM } }, 3415 3416 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3417 "10baseT-FDX", 3418 OPMODE_FD|OPMODE_HBD, 3419 { SIACONN_21040_10BASET_FDX, 3420 SIATXRX_21040_10BASET_FDX, 3421 SIAGEN_21040_10BASET_FDX }, 3422 3423 { SIACONN_21041_10BASET_FDX, 3424 SIATXRX_21041_10BASET_FDX, 3425 SIAGEN_21041_10BASET_FDX }, 3426 3427 { SIACONN_21142_10BASET_FDX, 3428 SIATXRX_21142_10BASET_FDX, 3429 SIAGEN_21142_10BASET_FDX } }, 3430 3431 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3432 "100baseTX-FDX", 3433 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3434 { 0, 3435 0, 3436 0 }, 3437 3438 { 0, 3439 0, 3440 0 }, 3441 3442 { 0, 3443 0, 3444 SIAGEN_ABM } }, 3445 3446 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3447 "100baseT4", 3448 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3449 { 0, 3450 0, 3451 0 }, 3452 3453 { 0, 3454 0, 3455 0 }, 3456 3457 { 0, 3458 0, 3459 SIAGEN_ABM } }, 3460 3461 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3462 "100baseFX", 3463 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3464 { 0, 3465 0, 3466 0 }, 3467 3468 { 0, 3469 0, 3470 0 }, 3471 3472 { 0, 3473 0, 3474 SIAGEN_ABM } }, 3475 3476 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3477 "100baseFX-FDX", 3478 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3479 { 0, 3480 0, 3481 0 }, 3482 3483 { 0, 3484 0, 3485 0 }, 3486 3487 { 0, 3488 0, 3489 SIAGEN_ABM } }, 3490 3491 { 0, 0, 0, 3492 NULL, 3493 0, 3494 { 0, 3495 0, 3496 0 }, 3497 3498 { 0, 3499 0, 3500 0 }, 3501 3502 { 0, 3503 0, 3504 0 } }, 3505 }; 3506 3507 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3508 void tlp_srom_media_info __P((struct tulip_softc *, 3509 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3510 void tlp_add_srom_media __P((struct tulip_softc *, int, 3511 void (*)(struct tulip_softc *, struct ifmediareq *), 3512 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3513 void tlp_print_media __P((struct tulip_softc *)); 3514 void tlp_nway_activate __P((struct tulip_softc *, int)); 3515 void tlp_get_minst __P((struct tulip_softc *)); 3516 3517 const struct tulip_srom_to_ifmedia * 3518 tlp_srom_to_ifmedia(sm) 3519 u_int8_t sm; 3520 { 3521 const struct tulip_srom_to_ifmedia *tsti; 3522 3523 for (tsti = tulip_srom_to_ifmedia_table; 3524 tsti->tsti_name != NULL; tsti++) { 3525 if (tsti->tsti_srom == sm) 3526 return (tsti); 3527 } 3528 3529 return (NULL); 3530 } 3531 3532 void 3533 tlp_srom_media_info(sc, tsti, tm) 3534 struct tulip_softc *sc; 3535 const struct tulip_srom_to_ifmedia *tsti; 3536 struct tulip_21x4x_media *tm; 3537 { 3538 3539 tm->tm_name = tsti->tsti_name; 3540 tm->tm_opmode = tsti->tsti_opmode; 3541 3542 switch (sc->sc_chip) { 3543 case TULIP_CHIP_DE425: 3544 case TULIP_CHIP_21040: 3545 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3546 break; 3547 3548 case TULIP_CHIP_21041: 3549 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3550 break; 3551 3552 case TULIP_CHIP_21142: 3553 case TULIP_CHIP_21143: 3554 case TULIP_CHIP_82C115: 3555 case TULIP_CHIP_MX98715: 3556 case TULIP_CHIP_MX98715A: 3557 case TULIP_CHIP_MX98725: 3558 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3559 break; 3560 3561 default: 3562 /* Nothing. */ 3563 } 3564 } 3565 3566 void 3567 tlp_add_srom_media(sc, type, get, set, list, cnt) 3568 struct tulip_softc *sc; 3569 int type; 3570 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3571 int (*set) __P((struct tulip_softc *)); 3572 const u_int8_t *list; 3573 int cnt; 3574 { 3575 struct tulip_21x4x_media *tm; 3576 const struct tulip_srom_to_ifmedia *tsti; 3577 int i; 3578 3579 for (i = 0; i < cnt; i++) { 3580 tsti = tlp_srom_to_ifmedia(list[i]); 3581 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3582 memset(tm, 0, sizeof(*tm)); 3583 tlp_srom_media_info(sc, tsti, tm); 3584 tm->tm_type = type; 3585 tm->tm_get = get; 3586 tm->tm_set = set; 3587 3588 ifmedia_add(&sc->sc_mii.mii_media, 3589 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3590 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3591 } 3592 } 3593 3594 void 3595 tlp_print_media(sc) 3596 struct tulip_softc *sc; 3597 { 3598 struct ifmedia_entry *ife; 3599 struct tulip_21x4x_media *tm; 3600 const char *sep = ""; 3601 3602 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3603 3604 printf("%s: ", sc->sc_dev.dv_xname); 3605 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3606 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3607 tm = ife->ifm_aux; 3608 if (tm == NULL) { 3609 #ifdef DIAGNOSTIC 3610 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3611 panic("tlp_print_media"); 3612 #endif 3613 PRINT("auto"); 3614 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3615 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3616 PRINT(tm->tm_name); 3617 } 3618 } 3619 printf("\n"); 3620 3621 #undef PRINT 3622 } 3623 3624 void 3625 tlp_nway_activate(sc, media) 3626 struct tulip_softc *sc; 3627 int media; 3628 { 3629 struct ifmedia_entry *ife; 3630 3631 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3632 #ifdef DIAGNOSTIC 3633 if (ife == NULL) 3634 panic("tlp_nway_activate"); 3635 #endif 3636 sc->sc_nway_active = ife; 3637 } 3638 3639 void 3640 tlp_get_minst(sc) 3641 struct tulip_softc *sc; 3642 { 3643 3644 if ((sc->sc_media_seen & 3645 ~((1 << TULIP_ROM_MB_21140_MII) | 3646 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3647 /* 3648 * We have not yet seen any SIA/SYM media (but are 3649 * about to; that's why we're called!), so assign 3650 * the current media instance to be the `internal media' 3651 * instance, and advance it so any MII media gets a 3652 * fresh one (used to selecting/isolating a PHY). 3653 */ 3654 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3655 } 3656 } 3657 3658 /* 3659 * SIA Utility functions. 3660 */ 3661 void tlp_sia_update_link __P((struct tulip_softc *)); 3662 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3663 int tlp_sia_set __P((struct tulip_softc *)); 3664 void tlp_sia_fixup __P((struct tulip_softc *)); 3665 3666 void 3667 tlp_sia_update_link(sc) 3668 struct tulip_softc *sc; 3669 { 3670 struct ifmedia_entry *ife; 3671 struct tulip_21x4x_media *tm; 3672 u_int32_t siastat; 3673 3674 ife = TULIP_CURRENT_MEDIA(sc); 3675 tm = ife->ifm_aux; 3676 3677 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3678 3679 siastat = TULIP_READ(sc, CSR_SIASTAT); 3680 3681 /* 3682 * Note that when we do SIA link tests, we are assuming that 3683 * the chip is really in the mode that the current media setting 3684 * reflects. If we're not, then the link tests will not be 3685 * accurate! 3686 */ 3687 switch (IFM_SUBTYPE(ife->ifm_media)) { 3688 case IFM_10_T: 3689 sc->sc_flags |= TULIPF_LINK_VALID; 3690 if ((siastat & SIASTAT_LS10) == 0) 3691 sc->sc_flags |= TULIPF_LINK_UP; 3692 break; 3693 3694 case IFM_100_TX: 3695 case IFM_100_T4: 3696 sc->sc_flags |= TULIPF_LINK_VALID; 3697 if ((siastat & SIASTAT_LS100) == 0) 3698 sc->sc_flags |= TULIPF_LINK_UP; 3699 break; 3700 } 3701 3702 switch (sc->sc_chip) { 3703 case TULIP_CHIP_21142: 3704 case TULIP_CHIP_21143: 3705 /* 3706 * On these chips, we can tell more information about 3707 * AUI/BNC. Note that the AUI/BNC selection is made 3708 * in a different register; for our purpose, it's all 3709 * AUI. 3710 */ 3711 switch (IFM_SUBTYPE(ife->ifm_media)) { 3712 case IFM_10_2: 3713 case IFM_10_5: 3714 sc->sc_flags |= TULIPF_LINK_VALID; 3715 if (siastat & SIASTAT_ARA) { 3716 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3717 sc->sc_flags |= TULIPF_LINK_UP; 3718 } 3719 break; 3720 3721 default: 3722 /* 3723 * If we're SYM media and can detect the link 3724 * via the GPIO facility, prefer that status 3725 * over LS100. 3726 */ 3727 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3728 tm->tm_actmask != 0) { 3729 sc->sc_flags = (sc->sc_flags & 3730 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3731 if (TULIP_ISSET(sc, CSR_SIAGEN, 3732 tm->tm_actmask) == tm->tm_actdata) 3733 sc->sc_flags |= TULIPF_LINK_UP; 3734 } 3735 } 3736 break; 3737 3738 default: 3739 /* Nothing. */ 3740 } 3741 } 3742 3743 void 3744 tlp_sia_get(sc, ifmr) 3745 struct tulip_softc *sc; 3746 struct ifmediareq *ifmr; 3747 { 3748 struct ifmedia_entry *ife; 3749 3750 ifmr->ifm_status = 0; 3751 3752 tlp_sia_update_link(sc); 3753 3754 ife = TULIP_CURRENT_MEDIA(sc); 3755 3756 if (sc->sc_flags & TULIPF_LINK_VALID) 3757 ifmr->ifm_status |= IFM_AVALID; 3758 if (sc->sc_flags & TULIPF_LINK_UP) 3759 ifmr->ifm_status |= IFM_ACTIVE; 3760 ifmr->ifm_active = ife->ifm_media; 3761 } 3762 3763 void 3764 tlp_sia_fixup(sc) 3765 struct tulip_softc *sc; 3766 { 3767 struct ifmedia_entry *ife; 3768 struct tulip_21x4x_media *tm; 3769 u_int32_t siaconn, siatxrx, siagen; 3770 3771 switch (sc->sc_chip) { 3772 case TULIP_CHIP_82C115: 3773 case TULIP_CHIP_MX98713A: 3774 case TULIP_CHIP_MX98715: 3775 case TULIP_CHIP_MX98715A: 3776 case TULIP_CHIP_MX98725: 3777 siaconn = PMAC_SIACONN_MASK; 3778 siatxrx = PMAC_SIATXRX_MASK; 3779 siagen = PMAC_SIAGEN_MASK; 3780 break; 3781 3782 default: 3783 /* No fixups required on any other chips. */ 3784 return; 3785 } 3786 3787 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3788 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3789 tm = ife->ifm_aux; 3790 if (tm == NULL) 3791 continue; 3792 3793 tm->tm_siaconn &= siaconn; 3794 tm->tm_siatxrx &= siatxrx; 3795 tm->tm_siagen &= siagen; 3796 } 3797 } 3798 3799 int 3800 tlp_sia_set(sc) 3801 struct tulip_softc *sc; 3802 { 3803 struct ifmedia_entry *ife; 3804 struct tulip_21x4x_media *tm; 3805 3806 ife = TULIP_CURRENT_MEDIA(sc); 3807 tm = ife->ifm_aux; 3808 3809 /* 3810 * XXX This appears to be necessary on a bunch of the clone chips. 3811 */ 3812 delay(20000); 3813 3814 /* 3815 * Idle the chip. 3816 */ 3817 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3818 3819 /* 3820 * Program the SIA. It's important to write in this order, 3821 * resetting the SIA first. 3822 */ 3823 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 3824 delay(1000); 3825 3826 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 3827 3828 switch (sc->sc_chip) { 3829 case TULIP_CHIP_21142: 3830 case TULIP_CHIP_21143: 3831 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 3832 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 3833 break; 3834 default: 3835 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 3836 } 3837 3838 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 3839 3840 /* 3841 * Set the OPMODE bits for this media and write OPMODE. 3842 * This will resume the transmit and receive processes. 3843 */ 3844 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 3845 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3846 3847 return (0); 3848 } 3849 3850 /* 3851 * 21140 GPIO utility functions. 3852 */ 3853 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 3854 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 3855 struct ifmediareq *ifmr)); 3856 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 3857 3858 void 3859 tlp_21140_gpio_update_link(sc) 3860 struct tulip_softc *sc; 3861 { 3862 struct ifmedia_entry *ife; 3863 struct tulip_21x4x_media *tm; 3864 3865 ife = TULIP_CURRENT_MEDIA(sc); 3866 tm = ife->ifm_aux; 3867 3868 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3869 3870 if (tm->tm_actmask != 0) { 3871 sc->sc_flags |= TULIPF_LINK_VALID; 3872 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 3873 tm->tm_actdata) 3874 sc->sc_flags |= TULIPF_LINK_UP; 3875 } 3876 } 3877 3878 void 3879 tlp_21140_gpio_get(sc, ifmr) 3880 struct tulip_softc *sc; 3881 struct ifmediareq *ifmr; 3882 { 3883 struct ifmedia_entry *ife; 3884 3885 ifmr->ifm_status = 0; 3886 3887 tlp_21140_gpio_update_link(sc); 3888 3889 ife = TULIP_CURRENT_MEDIA(sc); 3890 3891 if (sc->sc_flags & TULIPF_LINK_VALID) 3892 ifmr->ifm_status |= IFM_AVALID; 3893 if (sc->sc_flags & TULIPF_LINK_UP) 3894 ifmr->ifm_status |= IFM_ACTIVE; 3895 ifmr->ifm_active = ife->ifm_media; 3896 } 3897 3898 int 3899 tlp_21140_gpio_set(sc) 3900 struct tulip_softc *sc; 3901 { 3902 struct ifmedia_entry *ife; 3903 struct tulip_21x4x_media *tm; 3904 3905 ife = TULIP_CURRENT_MEDIA(sc); 3906 tm = ife->ifm_aux; 3907 3908 /* 3909 * Idle the chip. 3910 */ 3911 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3912 3913 /* 3914 * Set the GPIO pins for this media, to flip any 3915 * relays, etc. 3916 */ 3917 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3918 delay(10); 3919 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 3920 3921 /* 3922 * Set the OPMODE bits for this media and write OPMODE. 3923 * This will resume the transmit and receive processes. 3924 */ 3925 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 3926 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3927 3928 return (0); 3929 } 3930 3931 /* 3932 * 21040 and 21041 media switches. 3933 */ 3934 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 3935 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 3936 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 3937 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 3938 3939 const struct tulip_mediasw tlp_21040_mediasw = { 3940 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 3941 }; 3942 3943 const struct tulip_mediasw tlp_21040_tp_mediasw = { 3944 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 3945 }; 3946 3947 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 3948 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 3949 }; 3950 3951 const struct tulip_mediasw tlp_21041_mediasw = { 3952 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 3953 }; 3954 3955 3956 void 3957 tlp_21040_tmsw_init(sc) 3958 struct tulip_softc *sc; 3959 { 3960 static const u_int8_t media[] = { 3961 TULIP_ROM_MB_MEDIA_TP, 3962 TULIP_ROM_MB_MEDIA_TP_FDX, 3963 TULIP_ROM_MB_MEDIA_AUI, 3964 }; 3965 struct tulip_21x4x_media *tm; 3966 3967 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3968 tlp_mediastatus); 3969 3970 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 3971 3972 /* 3973 * No SROM type for External SIA. 3974 */ 3975 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3976 memset(tm, 0, sizeof(*tm)); 3977 tm->tm_name = "manual"; 3978 tm->tm_opmode = 0; 3979 tm->tm_siaconn = SIACONN_21040_EXTSIA; 3980 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 3981 tm->tm_siagen = SIAGEN_21040_EXTSIA; 3982 ifmedia_add(&sc->sc_mii.mii_media, 3983 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 3984 3985 /* 3986 * XXX Autosense not yet supported. 3987 */ 3988 3989 /* XXX This should be auto-sense. */ 3990 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 3991 3992 tlp_print_media(sc); 3993 } 3994 3995 void 3996 tlp_21040_tp_tmsw_init(sc) 3997 struct tulip_softc *sc; 3998 { 3999 static const u_int8_t media[] = { 4000 TULIP_ROM_MB_MEDIA_TP, 4001 TULIP_ROM_MB_MEDIA_TP_FDX, 4002 }; 4003 4004 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4005 tlp_mediastatus); 4006 4007 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4008 4009 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4010 4011 tlp_print_media(sc); 4012 } 4013 4014 void 4015 tlp_21040_auibnc_tmsw_init(sc) 4016 struct tulip_softc *sc; 4017 { 4018 static const u_int8_t media[] = { 4019 TULIP_ROM_MB_MEDIA_AUI, 4020 }; 4021 4022 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4023 tlp_mediastatus); 4024 4025 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4026 4027 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4028 4029 tlp_print_media(sc); 4030 } 4031 4032 void 4033 tlp_21041_tmsw_init(sc) 4034 struct tulip_softc *sc; 4035 { 4036 static const u_int8_t media[] = { 4037 TULIP_ROM_MB_MEDIA_TP, 4038 TULIP_ROM_MB_MEDIA_TP_FDX, 4039 TULIP_ROM_MB_MEDIA_BNC, 4040 TULIP_ROM_MB_MEDIA_AUI, 4041 }; 4042 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4043 const struct tulip_srom_to_ifmedia *tsti; 4044 struct tulip_21x4x_media *tm; 4045 u_int16_t romdef; 4046 u_int8_t mb; 4047 4048 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4049 tlp_mediastatus); 4050 4051 if (tlp_isv_srom(sc->sc_srom) == 0) { 4052 not_isv_srom: 4053 /* 4054 * If we have a board without the standard 21041 SROM format, 4055 * we just assume all media are present and try and pick a 4056 * reasonable default. 4057 */ 4058 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4059 4060 /* 4061 * XXX Autosense not yet supported. 4062 */ 4063 4064 /* XXX This should be auto-sense. */ 4065 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4066 4067 tlp_print_media(sc); 4068 return; 4069 } 4070 4071 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4072 for (i = 0; i < devcnt; i++) { 4073 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4074 break; 4075 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4076 sc->sc_devno) 4077 break; 4078 } 4079 4080 if (i == devcnt) 4081 goto not_isv_srom; 4082 4083 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4084 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4085 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4086 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4087 4088 for (; m_cnt != 0; 4089 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4090 mb = sc->sc_srom[mb_offset]; 4091 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4092 memset(tm, 0, sizeof(*tm)); 4093 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4094 case TULIP_ROM_MB_MEDIA_TP_FDX: 4095 case TULIP_ROM_MB_MEDIA_TP: 4096 case TULIP_ROM_MB_MEDIA_BNC: 4097 case TULIP_ROM_MB_MEDIA_AUI: 4098 tsti = tlp_srom_to_ifmedia(mb & 4099 TULIP_ROM_MB_MEDIA_CODE); 4100 4101 tlp_srom_media_info(sc, tsti, tm); 4102 4103 /* 4104 * Override our default SIA settings if the 4105 * SROM contains its own. 4106 */ 4107 if (mb & TULIP_ROM_MB_EXT) { 4108 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4109 mb_offset + TULIP_ROM_MB_CSR13); 4110 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4111 mb_offset + TULIP_ROM_MB_CSR14); 4112 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4113 mb_offset + TULIP_ROM_MB_CSR15); 4114 } 4115 4116 ifmedia_add(&sc->sc_mii.mii_media, 4117 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4118 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4119 break; 4120 4121 default: 4122 printf("%s: unknown media code 0x%02x\n", 4123 sc->sc_dev.dv_xname, 4124 mb & TULIP_ROM_MB_MEDIA_CODE); 4125 free(tm, M_DEVBUF); 4126 } 4127 } 4128 4129 /* 4130 * XXX Autosense not yet supported. 4131 */ 4132 4133 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4134 TULIP_ROM_IL_SELECT_CONN_TYPE); 4135 switch (romdef) { 4136 case SELECT_CONN_TYPE_TP: 4137 case SELECT_CONN_TYPE_TP_AUTONEG: 4138 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4139 defmedia = IFM_ETHER|IFM_10_T; 4140 break; 4141 4142 case SELECT_CONN_TYPE_TP_FDX: 4143 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4144 break; 4145 4146 case SELECT_CONN_TYPE_BNC: 4147 defmedia = IFM_ETHER|IFM_10_2; 4148 break; 4149 4150 case SELECT_CONN_TYPE_AUI: 4151 defmedia = IFM_ETHER|IFM_10_5; 4152 break; 4153 #if 0 /* XXX */ 4154 case SELECT_CONN_TYPE_ASENSE: 4155 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4156 defmedia = IFM_ETHER|IFM_AUTO; 4157 break; 4158 #endif 4159 default: 4160 defmedia = 0; 4161 } 4162 4163 if (defmedia == 0) { 4164 /* 4165 * XXX We should default to auto-sense. 4166 */ 4167 defmedia = IFM_ETHER|IFM_10_T; 4168 } 4169 4170 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4171 4172 tlp_print_media(sc); 4173 } 4174 4175 /* 4176 * DECchip 2114x ISV media switch. 4177 */ 4178 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4179 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4180 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4181 4182 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4183 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4184 }; 4185 4186 void 4187 tlp_2114x_isv_tmsw_init(sc) 4188 struct tulip_softc *sc; 4189 { 4190 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4191 struct ifmedia_entry *ife; 4192 struct mii_softc *phy; 4193 struct tulip_21x4x_media *tm; 4194 const struct tulip_srom_to_ifmedia *tsti; 4195 int i, devcnt, leaf_offset, m_cnt, type, length; 4196 int defmedia, miidef; 4197 u_int16_t word; 4198 u_int8_t *cp, *ncp; 4199 4200 defmedia = miidef = 0; 4201 4202 sc->sc_mii.mii_ifp = ifp; 4203 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4204 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4205 sc->sc_mii.mii_statchg = sc->sc_statchg; 4206 4207 /* 4208 * Ignore `instance'; we may get a mixture of SIA and MII 4209 * media, and `instance' is used to isolate or select the 4210 * PHY on the MII as appropriate. Note that duplicate media 4211 * are disallowed, so ignoring `instance' is safe. 4212 */ 4213 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4214 tlp_mediastatus); 4215 4216 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4217 for (i = 0; i < devcnt; i++) { 4218 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4219 break; 4220 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4221 sc->sc_devno) 4222 break; 4223 } 4224 4225 if (i == devcnt) { 4226 printf("%s: unable to locate info leaf in SROM\n", 4227 sc->sc_dev.dv_xname); 4228 return; 4229 } 4230 4231 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4232 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4233 4234 /* XXX SELECT CONN TYPE */ 4235 4236 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4237 4238 /* 4239 * On some chips, the first thing in the Info Leaf is the 4240 * GPIO pin direction data. 4241 */ 4242 switch (sc->sc_chip) { 4243 case TULIP_CHIP_21140: 4244 case TULIP_CHIP_21140A: 4245 case TULIP_CHIP_MX98713: 4246 case TULIP_CHIP_AX88140: 4247 case TULIP_CHIP_AX88141: 4248 sc->sc_gp_dir = *cp++; 4249 break; 4250 4251 default: 4252 /* Nothing. */ 4253 } 4254 4255 /* Get the media count. */ 4256 m_cnt = *cp++; 4257 4258 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4259 /* 4260 * Determine the type and length of this media block. 4261 */ 4262 if ((*cp & 0x80) == 0) { 4263 length = 4; 4264 type = TULIP_ROM_MB_21140_GPR; 4265 } else { 4266 length = (*cp++ & 0x7f) - 1; 4267 type = *cp++ & 0x3f; 4268 } 4269 4270 /* Compute the start of the next block. */ 4271 ncp = cp + length; 4272 4273 /* Now, parse the block. */ 4274 switch (type) { 4275 case TULIP_ROM_MB_21140_GPR: 4276 tlp_get_minst(sc); 4277 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4278 4279 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4280 memset(tm, 0, sizeof(*tm)); 4281 4282 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4283 tm->tm_get = tlp_21140_gpio_get; 4284 tm->tm_set = tlp_21140_gpio_set; 4285 4286 /* First is the media type code. */ 4287 tsti = tlp_srom_to_ifmedia(cp[0] & 4288 TULIP_ROM_MB_MEDIA_CODE); 4289 if (tsti == NULL) { 4290 /* Invalid media code. */ 4291 free(tm, M_DEVBUF); 4292 break; 4293 } 4294 4295 /* Get defaults. */ 4296 tlp_srom_media_info(sc, tsti, tm); 4297 4298 /* Next is any GPIO info for this media. */ 4299 tm->tm_gpdata = cp[1]; 4300 4301 /* 4302 * Next is a word containing OPMODE information 4303 * and info on how to detect if this media is 4304 * active. 4305 */ 4306 word = TULIP_ROM_GETW(cp, 2); 4307 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4308 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4309 tm->tm_actmask = 4310 TULIP_ROM_MB_BITPOS(word); 4311 tm->tm_actdata = 4312 (word & TULIP_ROM_MB_POLARITY) ? 4313 0 : tm->tm_actmask; 4314 } 4315 4316 ifmedia_add(&sc->sc_mii.mii_media, 4317 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4318 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4319 break; 4320 4321 case TULIP_ROM_MB_21140_MII: 4322 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4323 4324 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4325 memset(tm, 0, sizeof(*tm)); 4326 4327 tm->tm_type = TULIP_ROM_MB_21140_MII; 4328 tm->tm_get = tlp_mii_getmedia; 4329 tm->tm_set = tlp_mii_setmedia; 4330 tm->tm_opmode = OPMODE_PS; 4331 4332 if (sc->sc_reset == NULL) 4333 sc->sc_reset = tlp_21140_reset; 4334 4335 /* First is the PHY number. */ 4336 tm->tm_phyno = *cp++; 4337 4338 /* Next is the MII select sequence length and offset. */ 4339 tm->tm_gp_length = *cp++; 4340 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4341 cp += tm->tm_gp_length; 4342 4343 /* Next is the MII reset sequence length and offset. */ 4344 tm->tm_reset_length = *cp++; 4345 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4346 cp += tm->tm_reset_length; 4347 4348 /* 4349 * The following items are left in the media block 4350 * that we don't particularly care about: 4351 * 4352 * capabilities W 4353 * advertisement W 4354 * full duplex W 4355 * tx threshold W 4356 * 4357 * These appear to be bits in the PHY registers, 4358 * which our MII code handles on its own. 4359 */ 4360 4361 /* 4362 * Before we probe the MII bus, we need to reset 4363 * it and issue the selection sequence. 4364 */ 4365 4366 /* Set the direction of the pins... */ 4367 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4368 4369 for (i = 0; i < tm->tm_reset_length; i++) { 4370 delay(10); 4371 TULIP_WRITE(sc, CSR_GPP, 4372 sc->sc_srom[tm->tm_reset_offset + i]); 4373 } 4374 4375 for (i = 0; i < tm->tm_gp_length; i++) { 4376 delay(10); 4377 TULIP_WRITE(sc, CSR_GPP, 4378 sc->sc_srom[tm->tm_gp_offset + i]); 4379 } 4380 4381 /* If there were no sequences, just lower the pins. */ 4382 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4383 delay(10); 4384 TULIP_WRITE(sc, CSR_GPP, 0); 4385 } 4386 4387 /* 4388 * Now, probe the MII for the PHY. Note, we know 4389 * the location of the PHY on the bus, but we don't 4390 * particularly care; the MII code just likes to 4391 * search the whole thing anyhow. 4392 */ 4393 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4394 MII_PHY_ANY, tm->tm_phyno, 0); 4395 4396 /* 4397 * Now, search for the PHY we hopefully just 4398 * configured. If it's not configured into the 4399 * kernel, we lose. The PHY's default media always 4400 * takes priority. 4401 */ 4402 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4403 phy != NULL; 4404 phy = LIST_NEXT(phy, mii_list)) 4405 if (phy->mii_offset == tm->tm_phyno) 4406 break; 4407 if (phy == NULL) { 4408 printf("%s: unable to configure MII\n", 4409 sc->sc_dev.dv_xname); 4410 break; 4411 } 4412 4413 sc->sc_flags |= TULIPF_HAS_MII; 4414 sc->sc_tick = tlp_mii_tick; 4415 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4416 phy->mii_inst); 4417 4418 /* 4419 * Okay, now that we've found the PHY and the MII 4420 * layer has added all of the media associated 4421 * with that PHY, we need to traverse the media 4422 * list, and add our `tm' to each entry's `aux' 4423 * pointer. 4424 * 4425 * We do this by looking for media with our 4426 * PHY's `instance'. 4427 */ 4428 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4429 ife != NULL; 4430 ife = TAILQ_NEXT(ife, ifm_list)) { 4431 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4432 continue; 4433 ife->ifm_aux = tm; 4434 } 4435 break; 4436 4437 case TULIP_ROM_MB_21142_SIA: 4438 tlp_get_minst(sc); 4439 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4440 4441 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4442 memset(tm, 0, sizeof(*tm)); 4443 4444 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4445 tm->tm_get = tlp_sia_get; 4446 tm->tm_set = tlp_sia_set; 4447 4448 /* First is the media type code. */ 4449 tsti = tlp_srom_to_ifmedia(cp[0] & 4450 TULIP_ROM_MB_MEDIA_CODE); 4451 if (tsti == NULL) { 4452 /* Invalid media code. */ 4453 free(tm, M_DEVBUF); 4454 break; 4455 } 4456 4457 /* Get defaults. */ 4458 tlp_srom_media_info(sc, tsti, tm); 4459 4460 /* 4461 * Override our default SIA settings if the 4462 * SROM contains its own. 4463 */ 4464 if (cp[0] & 0x40) { 4465 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4466 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4467 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4468 cp += 7; 4469 } else 4470 cp++; 4471 4472 /* Next is GPIO control/data. */ 4473 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4474 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4475 4476 ifmedia_add(&sc->sc_mii.mii_media, 4477 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4478 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4479 break; 4480 4481 case TULIP_ROM_MB_21142_MII: 4482 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4483 4484 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4485 memset(tm, 0, sizeof(*tm)); 4486 4487 tm->tm_type = TULIP_ROM_MB_21142_MII; 4488 tm->tm_get = tlp_mii_getmedia; 4489 tm->tm_set = tlp_mii_setmedia; 4490 tm->tm_opmode = OPMODE_PS; 4491 4492 if (sc->sc_reset == NULL) 4493 sc->sc_reset = tlp_21142_reset; 4494 4495 /* First is the PHY number. */ 4496 tm->tm_phyno = *cp++; 4497 4498 /* Next is the MII select sequence length and offset. */ 4499 tm->tm_gp_length = *cp++; 4500 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4501 cp += tm->tm_gp_length * 2; 4502 4503 /* Next is the MII reset sequence length and offset. */ 4504 tm->tm_reset_length = *cp++; 4505 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4506 cp += tm->tm_reset_length * 2; 4507 4508 /* 4509 * The following items are left in the media block 4510 * that we don't particularly care about: 4511 * 4512 * capabilities W 4513 * advertisement W 4514 * full duplex W 4515 * tx threshold W 4516 * MII interrupt W 4517 * 4518 * These appear to be bits in the PHY registers, 4519 * which our MII code handles on its own. 4520 */ 4521 4522 /* 4523 * Before we probe the MII bus, we need to reset 4524 * it and issue the selection sequence. 4525 */ 4526 4527 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4528 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4529 delay(10); 4530 TULIP_WRITE(sc, CSR_SIAGEN, 4531 TULIP_ROM_GETW(ncp, 0) << 16); 4532 } 4533 4534 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4535 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4536 delay(10); 4537 TULIP_WRITE(sc, CSR_SIAGEN, 4538 TULIP_ROM_GETW(ncp, 0) << 16); 4539 } 4540 4541 /* If there were no sequences, just lower the pins. */ 4542 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4543 delay(10); 4544 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4545 } 4546 4547 /* 4548 * Now, probe the MII for the PHY. Note, we know 4549 * the location of the PHY on the bus, but we don't 4550 * particularly care; the MII code just likes to 4551 * search the whole thing anyhow. 4552 */ 4553 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4554 MII_PHY_ANY, tm->tm_phyno, 0); 4555 4556 /* 4557 * Now, search for the PHY we hopefully just 4558 * configured. If it's not configured into the 4559 * kernel, we lose. The PHY's default media always 4560 * takes priority. 4561 */ 4562 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4563 phy != NULL; 4564 phy = LIST_NEXT(phy, mii_list)) 4565 if (phy->mii_offset == tm->tm_phyno) 4566 break; 4567 if (phy == NULL) { 4568 printf("%s: unable to configure MII\n", 4569 sc->sc_dev.dv_xname); 4570 break; 4571 } 4572 4573 sc->sc_flags |= TULIPF_HAS_MII; 4574 sc->sc_tick = tlp_mii_tick; 4575 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4576 phy->mii_inst); 4577 4578 /* 4579 * Okay, now that we've found the PHY and the MII 4580 * layer has added all of the media associated 4581 * with that PHY, we need to traverse the media 4582 * list, and add our `tm' to each entry's `aux' 4583 * pointer. 4584 * 4585 * We do this by looking for media with our 4586 * PHY's `instance'. 4587 */ 4588 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4589 ife != NULL; 4590 ife = TAILQ_NEXT(ife, ifm_list)) { 4591 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4592 continue; 4593 ife->ifm_aux = tm; 4594 } 4595 break; 4596 4597 case TULIP_ROM_MB_21143_SYM: 4598 tlp_get_minst(sc); 4599 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4600 4601 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4602 memset(tm, 0, sizeof(*tm)); 4603 4604 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4605 tm->tm_get = tlp_sia_get; 4606 tm->tm_set = tlp_sia_set; 4607 4608 /* First is the media type code. */ 4609 tsti = tlp_srom_to_ifmedia(cp[0] & 4610 TULIP_ROM_MB_MEDIA_CODE); 4611 if (tsti == NULL) { 4612 /* Invalid media code. */ 4613 free(tm, M_DEVBUF); 4614 break; 4615 } 4616 4617 /* Get defaults. */ 4618 tlp_srom_media_info(sc, tsti, tm); 4619 4620 /* Next is GPIO control/data. */ 4621 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4622 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4623 4624 /* 4625 * Next is a word containing OPMODE information 4626 * and info on how to detect if this media is 4627 * active. 4628 */ 4629 word = TULIP_ROM_GETW(cp, 5); 4630 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4631 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4632 tm->tm_actmask = 4633 TULIP_ROM_MB_BITPOS(word); 4634 tm->tm_actdata = 4635 (word & TULIP_ROM_MB_POLARITY) ? 4636 0 : tm->tm_actmask; 4637 } 4638 4639 ifmedia_add(&sc->sc_mii.mii_media, 4640 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4641 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4642 break; 4643 4644 case TULIP_ROM_MB_21143_RESET: 4645 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4646 break; 4647 4648 default: 4649 printf("%s: unknown ISV media block type 0x%02x\n", 4650 sc->sc_dev.dv_xname, type); 4651 } 4652 } 4653 4654 /* 4655 * Deal with the case where no media is configured. 4656 */ 4657 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4658 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4659 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4660 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4661 return; 4662 } 4663 4664 /* 4665 * Pick the default media. 4666 */ 4667 if (miidef != 0) 4668 defmedia = miidef; 4669 else { 4670 /* 4671 * XXX Pick a better default. Should come from SROM 4672 * XXX on 21140[A], and should be "auto" on 21142, 4673 * XXX 21143, and Macronix chips. 4674 */ 4675 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4676 } 4677 4678 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4679 4680 /* 4681 * Display any non-MII media we've located. 4682 */ 4683 if (sc->sc_media_seen & 4684 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4685 tlp_print_media(sc); 4686 4687 tlp_sia_fixup(sc); 4688 } 4689 4690 void 4691 tlp_2114x_isv_tmsw_get(sc, ifmr) 4692 struct tulip_softc *sc; 4693 struct ifmediareq *ifmr; 4694 { 4695 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4696 struct tulip_21x4x_media *tm = ife->ifm_aux; 4697 4698 /* 4699 * We might be polling a non-MII autosense; check for that. 4700 */ 4701 if (tm == NULL) { 4702 #ifdef DIAGNOSTIC 4703 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4704 panic("tlp_2114x_isv_tmsw_get"); 4705 #endif 4706 tm = sc->sc_nway_active->ifm_aux; 4707 } 4708 4709 (*tm->tm_get)(sc, ifmr); 4710 } 4711 4712 int 4713 tlp_2114x_isv_tmsw_set(sc) 4714 struct tulip_softc *sc; 4715 { 4716 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4717 struct tulip_21x4x_media *tm = ife->ifm_aux; 4718 4719 /* 4720 * We might be setting a non-MII autosense; check for that. 4721 */ 4722 if (tm == NULL) { 4723 #ifdef DIAGNOSTIC 4724 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4725 panic("tlp_2114x_isv_tmsw_set"); 4726 #endif 4727 /* XXX XXX XXX */ 4728 } 4729 4730 /* 4731 * Check to see if we need to reset the chip, and do it. The 4732 * reset path will get the OPMODE register right the next 4733 * time through. 4734 */ 4735 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 4736 return (tlp_init(sc)); 4737 4738 return ((*tm->tm_set)(sc)); 4739 } 4740 4741 /* 4742 * MII-on-SIO media switch. Handles only MII attached to the SIO. 4743 */ 4744 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 4745 4746 const struct tulip_mediasw tlp_sio_mii_mediasw = { 4747 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 4748 }; 4749 4750 void 4751 tlp_sio_mii_tmsw_init(sc) 4752 struct tulip_softc *sc; 4753 { 4754 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4755 4756 /* 4757 * We don't attach any media info structures to the ifmedia 4758 * entries, so if we're using a pre-init function that needs 4759 * that info, override it to one that doesn't. 4760 */ 4761 if (sc->sc_preinit == tlp_2114x_preinit) 4762 sc->sc_preinit = tlp_2114x_mii_preinit; 4763 4764 sc->sc_mii.mii_ifp = ifp; 4765 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4766 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4767 sc->sc_mii.mii_statchg = sc->sc_statchg; 4768 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4769 tlp_mediastatus); 4770 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4771 MII_OFFSET_ANY, 0); 4772 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4773 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4774 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4775 } else { 4776 sc->sc_flags |= TULIPF_HAS_MII; 4777 sc->sc_tick = tlp_mii_tick; 4778 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4779 } 4780 } 4781 4782 /* 4783 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 4784 */ 4785 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 4786 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4787 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 4788 4789 const struct tulip_mediasw tlp_pnic_mediasw = { 4790 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 4791 }; 4792 4793 void tlp_pnic_nway_statchg __P((struct device *)); 4794 void tlp_pnic_nway_tick __P((void *)); 4795 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 4796 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 4797 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 4798 void tlp_pnic_nway_auto_timeout __P((void *)); 4799 void tlp_pnic_nway_status __P((struct tulip_softc *)); 4800 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 4801 4802 void 4803 tlp_pnic_tmsw_init(sc) 4804 struct tulip_softc *sc; 4805 { 4806 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4807 const char *sep = ""; 4808 4809 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 4810 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 4811 4812 sc->sc_mii.mii_ifp = ifp; 4813 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 4814 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 4815 sc->sc_mii.mii_statchg = sc->sc_statchg; 4816 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4817 tlp_mediastatus); 4818 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4819 MII_OFFSET_ANY, 0); 4820 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4821 /* XXX What about AUI/BNC support? */ 4822 printf("%s: ", sc->sc_dev.dv_xname); 4823 4824 tlp_pnic_nway_reset(sc); 4825 4826 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 4827 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 4828 PRINT("10baseT"); 4829 4830 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 4831 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 4832 PRINT("10baseT-FDX"); 4833 4834 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 4835 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 4836 PRINT("100baseTX"); 4837 4838 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 4839 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 4840 PNIC_NWAY_CAP100TXFDX); 4841 PRINT("100baseTX-FDX"); 4842 4843 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 4844 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 4845 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 4846 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 4847 PRINT("auto"); 4848 4849 printf("\n"); 4850 4851 sc->sc_statchg = tlp_pnic_nway_statchg; 4852 sc->sc_tick = tlp_pnic_nway_tick; 4853 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4854 } else { 4855 sc->sc_flags |= TULIPF_HAS_MII; 4856 sc->sc_tick = tlp_mii_tick; 4857 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4858 } 4859 4860 #undef ADD 4861 #undef PRINT 4862 } 4863 4864 void 4865 tlp_pnic_tmsw_get(sc, ifmr) 4866 struct tulip_softc *sc; 4867 struct ifmediareq *ifmr; 4868 { 4869 struct mii_data *mii = &sc->sc_mii; 4870 4871 if (sc->sc_flags & TULIPF_HAS_MII) 4872 tlp_mii_getmedia(sc, ifmr); 4873 else { 4874 mii->mii_media_status = 0; 4875 mii->mii_media_active = IFM_NONE; 4876 tlp_pnic_nway_service(sc, MII_POLLSTAT); 4877 ifmr->ifm_status = sc->sc_mii.mii_media_status; 4878 ifmr->ifm_active = sc->sc_mii.mii_media_active; 4879 } 4880 } 4881 4882 int 4883 tlp_pnic_tmsw_set(sc) 4884 struct tulip_softc *sc; 4885 { 4886 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4887 struct mii_data *mii = &sc->sc_mii; 4888 4889 if (sc->sc_flags & TULIPF_HAS_MII) { 4890 /* 4891 * Make sure the built-in Tx jabber timer is disabled. 4892 */ 4893 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 4894 4895 return (tlp_mii_setmedia(sc)); 4896 } 4897 4898 if (ifp->if_flags & IFF_UP) { 4899 mii->mii_media_status = 0; 4900 mii->mii_media_active = IFM_NONE; 4901 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 4902 } 4903 4904 return (0); 4905 } 4906 4907 void 4908 tlp_pnic_nway_statchg(self) 4909 struct device *self; 4910 { 4911 struct tulip_softc *sc = (struct tulip_softc *)self; 4912 4913 /* Idle the transmit and receive processes. */ 4914 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4915 4916 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 4917 OPMODE_SCR|OPMODE_HBD); 4918 4919 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 4920 sc->sc_opmode |= OPMODE_TTM; 4921 TULIP_WRITE(sc, CSR_GPP, 4922 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 4923 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 4924 } else { 4925 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 4926 TULIP_WRITE(sc, CSR_GPP, 4927 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 4928 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 4929 } 4930 4931 if (sc->sc_mii.mii_media_active & IFM_FDX) 4932 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 4933 4934 /* 4935 * Write new OPMODE bits. This also restarts the transmit 4936 * and receive processes. 4937 */ 4938 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4939 } 4940 4941 void 4942 tlp_pnic_nway_tick(arg) 4943 void *arg; 4944 { 4945 struct tulip_softc *sc = arg; 4946 int s; 4947 4948 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 4949 return; 4950 4951 s = splnet(); 4952 tlp_pnic_nway_service(sc, MII_TICK); 4953 splx(s); 4954 4955 timeout(tlp_pnic_nway_tick, sc, hz); 4956 } 4957 4958 /* 4959 * Support for the Lite-On PNIC internal NWay block. This is constructed 4960 * somewhat like a PHY driver for simplicity. 4961 */ 4962 4963 int 4964 tlp_pnic_nway_service(sc, cmd) 4965 struct tulip_softc *sc; 4966 int cmd; 4967 { 4968 struct mii_data *mii = &sc->sc_mii; 4969 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 4970 4971 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 4972 return (0); 4973 4974 switch (cmd) { 4975 case MII_POLLSTAT: 4976 /* Nothing special to do here. */ 4977 break; 4978 4979 case MII_MEDIACHG: 4980 switch (IFM_SUBTYPE(ife->ifm_media)) { 4981 case IFM_AUTO: 4982 (void) tlp_pnic_nway_auto(sc, 1); 4983 break; 4984 case IFM_100_T4: 4985 /* 4986 * XXX Not supported as a manual setting right now. 4987 */ 4988 return (EINVAL); 4989 default: 4990 /* 4991 * NWAY register data is stored in the ifmedia entry. 4992 */ 4993 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 4994 } 4995 break; 4996 4997 case MII_TICK: 4998 /* 4999 * Only used for autonegotiation. 5000 */ 5001 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5002 return (0); 5003 5004 /* 5005 * Check to see if we have link. If we do, we don't 5006 * need to restart the autonegotiation process. 5007 */ 5008 if (sc->sc_flags & TULIPF_LINK_UP) 5009 return (0); 5010 5011 /* 5012 * Only retry autonegotiation every 5 seconds. 5013 */ 5014 if (++sc->sc_nway_ticks != 5) 5015 return (0); 5016 5017 sc->sc_nway_ticks = 0; 5018 tlp_pnic_nway_reset(sc); 5019 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5020 return (0); 5021 break; 5022 } 5023 5024 /* Update the media status. */ 5025 tlp_pnic_nway_status(sc); 5026 5027 /* Callback if something changed. */ 5028 if ((sc->sc_nway_active == NULL || 5029 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5030 cmd == MII_MEDIACHG) { 5031 (*sc->sc_statchg)(&sc->sc_dev); 5032 tlp_nway_activate(sc, mii->mii_media_active); 5033 } 5034 return (0); 5035 } 5036 5037 void 5038 tlp_pnic_nway_reset(sc) 5039 struct tulip_softc *sc; 5040 { 5041 5042 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5043 delay(100); 5044 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5045 } 5046 5047 int 5048 tlp_pnic_nway_auto(sc, waitfor) 5049 struct tulip_softc *sc; 5050 int waitfor; 5051 { 5052 struct mii_data *mii = &sc->sc_mii; 5053 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5054 u_int32_t reg; 5055 int i; 5056 5057 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5058 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5059 5060 if (waitfor) { 5061 /* Wait 500ms for it to complete. */ 5062 for (i = 0; i < 500; i++) { 5063 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5064 if (reg & PNIC_NWAY_LPAR_MASK) { 5065 tlp_pnic_nway_acomp(sc); 5066 return (0); 5067 } 5068 delay(1000); 5069 } 5070 #if 0 5071 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5072 printf("%s: autonegotiation failed to complete\n", 5073 sc->sc_dev.dv_xname); 5074 #endif 5075 5076 /* 5077 * Don't need to worry about clearing DOINGAUTO. 5078 * If that's set, a timeout is pending, and it will 5079 * clear the flag. 5080 */ 5081 return (EIO); 5082 } 5083 5084 /* 5085 * Just let it finish asynchronously. This is for the benefit of 5086 * the tick handler driving autonegotiation. Don't want 500ms 5087 * delays all the time while the system is running! 5088 */ 5089 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5090 sc->sc_flags |= TULIPF_DOINGAUTO; 5091 timeout(tlp_pnic_nway_auto_timeout, sc, hz >> 1); 5092 } 5093 return (EJUSTRETURN); 5094 } 5095 5096 void 5097 tlp_pnic_nway_auto_timeout(arg) 5098 void *arg; 5099 { 5100 struct tulip_softc *sc = arg; 5101 u_int32_t reg; 5102 int s; 5103 5104 s = splnet(); 5105 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5106 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5107 #if 0 5108 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5109 printf("%s: autonegotiation failed to complete\n", 5110 sc->sc_dev.dv_xname); 5111 #endif 5112 5113 tlp_pnic_nway_acomp(sc); 5114 5115 /* Update the media status. */ 5116 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5117 splx(s); 5118 } 5119 5120 void 5121 tlp_pnic_nway_status(sc) 5122 struct tulip_softc *sc; 5123 { 5124 struct mii_data *mii = &sc->sc_mii; 5125 u_int32_t reg; 5126 5127 mii->mii_media_status = IFM_AVALID; 5128 mii->mii_media_active = IFM_ETHER; 5129 5130 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5131 5132 if (sc->sc_flags & TULIPF_LINK_UP) 5133 mii->mii_media_status |= IFM_ACTIVE; 5134 5135 if (reg & PNIC_NWAY_NW) { 5136 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5137 /* Erg, still trying, I guess... */ 5138 mii->mii_media_active |= IFM_NONE; 5139 return; 5140 } 5141 5142 #if 0 5143 if (reg & PNIC_NWAY_LPAR100T4) 5144 mii->mii_media_active |= IFM_100_T4; 5145 else 5146 #endif 5147 if (reg & PNIC_NWAY_LPAR100TXFDX) 5148 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5149 else if (reg & PNIC_NWAY_LPAR100TX) 5150 mii->mii_media_active |= IFM_100_TX; 5151 else if (reg & PNIC_NWAY_LPAR10TFDX) 5152 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5153 else if (reg & PNIC_NWAY_LPAR10T) 5154 mii->mii_media_active |= IFM_10_T; 5155 else 5156 mii->mii_media_active |= IFM_NONE; 5157 } else { 5158 if (reg & PNIC_NWAY_100) 5159 mii->mii_media_active |= IFM_100_TX; 5160 else 5161 mii->mii_media_active |= IFM_10_T; 5162 if (reg & PNIC_NWAY_FD) 5163 mii->mii_media_active |= IFM_FDX; 5164 } 5165 } 5166 5167 void 5168 tlp_pnic_nway_acomp(sc) 5169 struct tulip_softc *sc; 5170 { 5171 u_int32_t reg; 5172 5173 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5174 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5175 5176 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5177 reg |= PNIC_NWAY_100; 5178 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5179 reg |= PNIC_NWAY_FD; 5180 5181 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5182 } 5183 5184 /* 5185 * Macronix PMAC and Lite-On PNIC-II media switch: 5186 * 5187 * MX98713 and MX98713A 21140-like MII or GPIO media. 5188 * 5189 * MX98713A 21143-like MII or SIA/SYM media. 5190 * 5191 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5192 * 82C115 5193 * 5194 * So, what we do here is fake MII-on-SIO or ISV media info, and 5195 * use the ISV media switch get/set functions to handle the rest. 5196 */ 5197 5198 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5199 5200 const struct tulip_mediasw tlp_pmac_mediasw = { 5201 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5202 }; 5203 5204 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5205 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5206 }; 5207 5208 void 5209 tlp_pmac_tmsw_init(sc) 5210 struct tulip_softc *sc; 5211 { 5212 static const u_int8_t media[] = { 5213 TULIP_ROM_MB_MEDIA_TP, 5214 TULIP_ROM_MB_MEDIA_TP_FDX, 5215 TULIP_ROM_MB_MEDIA_100TX, 5216 TULIP_ROM_MB_MEDIA_100TX_FDX, 5217 }; 5218 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5219 5220 sc->sc_mii.mii_ifp = ifp; 5221 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5222 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5223 sc->sc_mii.mii_statchg = sc->sc_statchg; 5224 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5225 tlp_mediastatus); 5226 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5227 sc->sc_chip == TULIP_CHIP_MX98713A) { 5228 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5229 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5230 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5231 sc->sc_flags |= TULIPF_HAS_MII; 5232 sc->sc_tick = tlp_mii_tick; 5233 sc->sc_preinit = tlp_2114x_mii_preinit; 5234 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5235 ifmedia_set(&sc->sc_mii.mii_media, 5236 IFM_ETHER|IFM_AUTO); 5237 return; 5238 } 5239 } 5240 5241 switch (sc->sc_chip) { 5242 case TULIP_CHIP_MX98713: 5243 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5244 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5245 5246 /* 5247 * XXX Should implement auto-sense for this someday, 5248 * XXX when we do the same for the 21140. 5249 */ 5250 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5251 break; 5252 5253 default: 5254 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5255 tlp_sia_get, tlp_sia_set, media, 2); 5256 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5257 tlp_sia_get, tlp_sia_set, media + 2, 2); 5258 5259 /* 5260 * XXX Autonegotiation not yet supported. 5261 */ 5262 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5263 break; 5264 } 5265 5266 tlp_print_media(sc); 5267 tlp_sia_fixup(sc); 5268 5269 /* Set the LED modes. */ 5270 tlp_pmac_reset(sc); 5271 5272 sc->sc_reset = tlp_pmac_reset; 5273 } 5274 5275 /* 5276 * ADMtek AL981 media switch. Only has internal PHY. 5277 */ 5278 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5279 5280 const struct tulip_mediasw tlp_al981_mediasw = { 5281 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5282 }; 5283 5284 void 5285 tlp_al981_tmsw_init(sc) 5286 struct tulip_softc *sc; 5287 { 5288 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5289 5290 sc->sc_mii.mii_ifp = ifp; 5291 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5292 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5293 sc->sc_mii.mii_statchg = sc->sc_statchg; 5294 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5295 tlp_mediastatus); 5296 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5297 MII_OFFSET_ANY, 0); 5298 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5299 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5300 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5301 } else { 5302 sc->sc_flags |= TULIPF_HAS_MII; 5303 sc->sc_tick = tlp_mii_tick; 5304 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5305 } 5306 } 5307
Indexes created Mon Sep 22 13:09:51 GMT 2025