tulip.c revision 1.24
1 /* $NetBSD: tulip.c,v 1.24 1999/09/30 00:07:29 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999 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 <vm/vm.h> /* for PAGE_SIZE */ 60 61 #include <net/if.h> 62 #include <net/if_dl.h> 63 #include <net/if_media.h> 64 #include <net/if_ether.h> 65 66 #if NBPFILTER > 0 67 #include <net/bpf.h> 68 #endif 69 70 #ifdef INET 71 #include <netinet/in.h> 72 #include <netinet/if_inarp.h> 73 #endif 74 75 #ifdef NS 76 #include <netns/ns.h> 77 #include <netns/ns_if.h> 78 #endif 79 80 #include <machine/bus.h> 81 #include <machine/intr.h> 82 83 #include <dev/mii/mii.h> 84 #include <dev/mii/miivar.h> 85 86 #include <dev/ic/tulipreg.h> 87 #include <dev/ic/tulipvar.h> 88 89 /* 90 * The following tables compute the transmit threshold mode. We start 91 * at index 0. When ever we get a transmit underrun, we increment our 92 * index, falling back if we encounter the NULL terminator. 93 * 94 * Note: Store and forward mode is only available on the 100mbps chips 95 * (21140 and higher). 96 */ 97 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = { 98 { OPMODE_TR_72, "72 bytes" }, 99 { OPMODE_TR_96, "96 bytes" }, 100 { OPMODE_TR_128, "128 bytes" }, 101 { OPMODE_TR_160, "160 bytes" }, 102 { 0, NULL }, 103 }; 104 105 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = { 106 { OPMODE_TR_72, "72/128 bytes" }, 107 { OPMODE_TR_96, "96/256 bytes" }, 108 { OPMODE_TR_128, "128/512 bytes" }, 109 { OPMODE_TR_160, "160/1024 bytes" }, 110 { OPMODE_SF, "store and forward mode" }, 111 { 0, NULL }, 112 }; 113 114 #define TXTH_72 0 115 #define TXTH_96 1 116 #define TXTH_128 2 117 #define TXTH_160 3 118 #define TXTH_SF 4 119 120 /* 121 * The Winbond 89C840F does transmit threshold control totally 122 * differently. It simply has a 7-bit field which indicates 123 * the threshold: 124 * 125 * txth = ((OPMODE & OPMODE_WINB_TTH) >> OPMODE_WINB_TTH_SHIFT) * 16; 126 * 127 * However, we just do Store-and-Forward mode on these chips, since 128 * the DMA engines seem to be flaky. 129 */ 130 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = { 131 { 0, "store and forward mode" }, 132 { 0, NULL }, 133 }; 134 135 #define TXTH_WINB_SF 0 136 137 void tlp_start __P((struct ifnet *)); 138 void tlp_watchdog __P((struct ifnet *)); 139 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 140 141 void tlp_shutdown __P((void *)); 142 143 void tlp_reset __P((struct tulip_softc *)); 144 int tlp_init __P((struct tulip_softc *)); 145 void tlp_rxdrain __P((struct tulip_softc *)); 146 void tlp_stop __P((struct tulip_softc *, int)); 147 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 148 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 149 void tlp_srom_idle __P((struct tulip_softc *)); 150 151 void tlp_filter_setup __P((struct tulip_softc *)); 152 void tlp_winb_filter_setup __P((struct tulip_softc *)); 153 void tlp_al981_filter_setup __P((struct tulip_softc *)); 154 155 void tlp_rxintr __P((struct tulip_softc *)); 156 void tlp_txintr __P((struct tulip_softc *)); 157 158 void tlp_mii_tick __P((void *)); 159 void tlp_mii_statchg __P((struct device *)); 160 void tlp_winb_mii_statchg __P((struct device *)); 161 162 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 163 int tlp_mii_setmedia __P((struct tulip_softc *)); 164 165 void tlp_sio_mii_sync __P((struct tulip_softc *)); 166 void tlp_sio_mii_sendbits __P((struct tulip_softc *, u_int32_t, int)); 167 int tlp_sio_mii_readreg __P((struct device *, int, int)); 168 void tlp_sio_mii_writereg __P((struct device *, int, int, int)); 169 170 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 171 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 172 173 int tlp_al981_mii_readreg __P((struct device *, int, int)); 174 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 175 176 void tlp_2114x_preinit __P((struct tulip_softc *)); 177 void tlp_pnic_preinit __P((struct tulip_softc *)); 178 179 void tlp_21140_reset __P((struct tulip_softc *)); 180 181 u_int32_t tlp_crc32 __P((const u_int8_t *, size_t)); 182 #define tlp_mchash(addr) (tlp_crc32((addr), ETHER_ADDR_LEN) & \ 183 (TULIP_MCHASHSIZE - 1)) 184 185 #ifdef TLP_DEBUG 186 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 187 printf x 188 #else 189 #define DPRINTF(sc, x) /* nothing */ 190 #endif 191 192 #ifdef TLP_STATS 193 void tlp_print_stats __P((struct tulip_softc *)); 194 #endif 195 196 /* 197 * tlp_attach: 198 * 199 * Attach a Tulip interface to the system. 200 */ 201 void 202 tlp_attach(sc, enaddr) 203 struct tulip_softc *sc; 204 const u_int8_t *enaddr; 205 { 206 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 207 int i, rseg, error; 208 bus_dma_segment_t seg; 209 210 /* 211 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 212 */ 213 214 /* 215 * Setup the transmit threshold table. 216 */ 217 switch (sc->sc_chip) { 218 case TULIP_CHIP_DE425: 219 case TULIP_CHIP_21040: 220 case TULIP_CHIP_21041: 221 sc->sc_txth = tlp_10_txthresh_tab; 222 break; 223 224 default: 225 sc->sc_txth = tlp_10_100_txthresh_tab; 226 break; 227 } 228 229 /* 230 * Setup the filter setup function. 231 */ 232 switch (sc->sc_chip) { 233 case TULIP_CHIP_WB89C840F: 234 sc->sc_filter_setup = tlp_winb_filter_setup; 235 break; 236 237 case TULIP_CHIP_AL981: 238 sc->sc_filter_setup = tlp_al981_filter_setup; 239 break; 240 241 default: 242 sc->sc_filter_setup = tlp_filter_setup; 243 break; 244 } 245 246 /* 247 * Set up the media status change function. 248 */ 249 switch (sc->sc_chip) { 250 case TULIP_CHIP_WB89C840F: 251 sc->sc_statchg = tlp_winb_mii_statchg; 252 break; 253 254 default: 255 /* 256 * We may override this if we have special media 257 * handling requirements (e.g. flipping GPIO pins). 258 * 259 * The pure-MII statchg function covers the basics. 260 */ 261 sc->sc_statchg = tlp_mii_statchg; 262 break; 263 } 264 265 /* 266 * Set up various chip-specific quirks. 267 */ 268 switch (sc->sc_chip) { 269 case TULIP_CHIP_21140: 270 case TULIP_CHIP_21140A: 271 case TULIP_CHIP_21142: 272 case TULIP_CHIP_21143: 273 sc->sc_preinit = tlp_2114x_preinit; 274 break; 275 276 case TULIP_CHIP_82C168: 277 case TULIP_CHIP_82C169: 278 sc->sc_preinit = tlp_pnic_preinit; 279 280 /* 281 * These chips seem to have busted DMA engines; just put them 282 * in Store-and-Forward mode from the get-go. 283 */ 284 sc->sc_txthresh = TXTH_SF; 285 break; 286 287 case TULIP_CHIP_WB89C840F: 288 sc->sc_flags |= TULIPF_IC_FS; 289 break; 290 291 default: 292 /* Nothing. */ 293 } 294 295 SIMPLEQ_INIT(&sc->sc_txfreeq); 296 SIMPLEQ_INIT(&sc->sc_txdirtyq); 297 298 /* 299 * Allocate the control data structures, and create and load the 300 * DMA map for it. 301 */ 302 if ((error = bus_dmamem_alloc(sc->sc_dmat, 303 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &seg, 1, &rseg, 304 0)) != 0) { 305 printf("%s: unable to allocate control data, error = %d\n", 306 sc->sc_dev.dv_xname, error); 307 goto fail_0; 308 } 309 310 if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, 311 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 312 BUS_DMA_COHERENT)) != 0) { 313 printf("%s: unable to map control data, error = %d\n", 314 sc->sc_dev.dv_xname, error); 315 goto fail_1; 316 } 317 318 if ((error = bus_dmamap_create(sc->sc_dmat, 319 sizeof(struct tulip_control_data), 1, 320 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 321 printf("%s: unable to create control data DMA map, " 322 "error = %d\n", sc->sc_dev.dv_xname, error); 323 goto fail_2; 324 } 325 326 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 327 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 328 0)) != 0) { 329 printf("%s: unable to load control data DMA map, error = %d\n", 330 sc->sc_dev.dv_xname, error); 331 goto fail_3; 332 } 333 334 /* 335 * Create the transmit buffer DMA maps. 336 */ 337 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 338 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 339 TULIP_NTXSEGS, MCLBYTES, 0, 0, 340 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 341 printf("%s: unable to create tx DMA map %d, " 342 "error = %d\n", sc->sc_dev.dv_xname, i, error); 343 goto fail_4; 344 } 345 } 346 347 /* 348 * Create the recieve buffer DMA maps. 349 */ 350 for (i = 0; i < TULIP_NRXDESC; i++) { 351 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 352 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 353 printf("%s: unable to create rx DMA map %d, " 354 "error = %d\n", sc->sc_dev.dv_xname, i, error); 355 goto fail_5; 356 } 357 sc->sc_rxsoft[i].rxs_mbuf = NULL; 358 } 359 360 /* 361 * Reset the chip to a known state. 362 */ 363 tlp_reset(sc); 364 365 /* Announce ourselves. */ 366 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 367 sc->sc_name[0] != '\0' ? sc->sc_name : "", 368 sc->sc_name[0] != '\0' ? ", " : "", 369 ether_sprintf(enaddr)); 370 371 /* 372 * Initialize our media structures. This may probe the MII, if 373 * present. 374 */ 375 (*sc->sc_mediasw->tmsw_init)(sc); 376 377 ifp = &sc->sc_ethercom.ec_if; 378 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 379 ifp->if_softc = sc; 380 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 381 ifp->if_ioctl = tlp_ioctl; 382 ifp->if_start = tlp_start; 383 ifp->if_watchdog = tlp_watchdog; 384 385 /* 386 * Attach the interface. 387 */ 388 if_attach(ifp); 389 ether_ifattach(ifp, enaddr); 390 #if NBPFILTER > 0 391 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 392 sizeof(struct ether_header)); 393 #endif 394 395 /* 396 * Make sure the interface is shutdown during reboot. 397 */ 398 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 399 if (sc->sc_sdhook == NULL) 400 printf("%s: WARNING: unable to establish shutdown hook\n", 401 sc->sc_dev.dv_xname); 402 return; 403 404 /* 405 * Free any resources we've allocated during the failed attach 406 * attempt. Do this in reverse order and fall through. 407 */ 408 fail_5: 409 for (i = 0; i < TULIP_NRXDESC; i++) { 410 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 411 bus_dmamap_destroy(sc->sc_dmat, 412 sc->sc_rxsoft[i].rxs_dmamap); 413 } 414 fail_4: 415 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 416 if (sc->sc_txsoft[i].txs_dmamap != NULL) 417 bus_dmamap_destroy(sc->sc_dmat, 418 sc->sc_txsoft[i].txs_dmamap); 419 } 420 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 421 fail_3: 422 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 423 fail_2: 424 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 425 sizeof(struct tulip_control_data)); 426 fail_1: 427 bus_dmamem_free(sc->sc_dmat, &seg, rseg); 428 fail_0: 429 return; 430 } 431 432 /* 433 * tlp_shutdown: 434 * 435 * Make sure the interface is stopped at reboot time. 436 */ 437 void 438 tlp_shutdown(arg) 439 void *arg; 440 { 441 struct tulip_softc *sc = arg; 442 443 tlp_stop(sc, 1); 444 } 445 446 /* 447 * tlp_start: [ifnet interface function] 448 * 449 * Start packet transmission on the interface. 450 */ 451 void 452 tlp_start(ifp) 453 struct ifnet *ifp; 454 { 455 struct tulip_softc *sc = ifp->if_softc; 456 struct mbuf *m0, *m; 457 struct tulip_txsoft *txs, *last_txs; 458 bus_dmamap_t dmamap; 459 int error, firsttx, nexttx, lasttx, ofree, seg; 460 461 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 462 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 463 464 /* 465 * If we want a filter setup, it means no more descriptors were 466 * available for the setup routine. Let it get a chance to wedge 467 * itself into the ring. 468 */ 469 if (sc->sc_flags & TULIPF_WANT_SETUP) 470 ifp->if_flags |= IFF_OACTIVE; 471 472 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 473 return; 474 475 /* 476 * Remember the previous number of free descriptors and 477 * the first descriptor we'll use. 478 */ 479 ofree = sc->sc_txfree; 480 firsttx = sc->sc_txnext; 481 482 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 483 sc->sc_dev.dv_xname, ofree, firsttx)); 484 485 /* 486 * Loop through the send queue, setting up transmit descriptors 487 * until we drain the queue, or use up all available transmit 488 * descriptors. 489 */ 490 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 491 sc->sc_txfree != 0) { 492 /* 493 * Grab a packet off the queue. 494 */ 495 IF_DEQUEUE(&ifp->if_snd, m0); 496 if (m0 == NULL) 497 break; 498 499 dmamap = txs->txs_dmamap; 500 501 /* 502 * Load the DMA map. If this fails, the packet either 503 * didn't fit in the alloted number of segments, or we were 504 * short on resources. In this case, we'll copy and try 505 * again. 506 */ 507 if (bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 508 BUS_DMA_NOWAIT) != 0) { 509 MGETHDR(m, M_DONTWAIT, MT_DATA); 510 if (m == NULL) { 511 printf("%s: unable to allocate Tx mbuf\n", 512 sc->sc_dev.dv_xname); 513 IF_PREPEND(&ifp->if_snd, m0); 514 break; 515 } 516 if (m0->m_pkthdr.len > MHLEN) { 517 MCLGET(m, M_DONTWAIT); 518 if ((m->m_flags & M_EXT) == 0) { 519 printf("%s: unable to allocate Tx " 520 "cluster\n", sc->sc_dev.dv_xname); 521 m_freem(m); 522 IF_PREPEND(&ifp->if_snd, m0); 523 break; 524 } 525 } 526 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 527 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 528 m_freem(m0); 529 m0 = m; 530 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 531 m0, BUS_DMA_NOWAIT); 532 if (error) { 533 printf("%s: unable to load Tx buffer, " 534 "error = %d\n", sc->sc_dev.dv_xname, error); 535 IF_PREPEND(&ifp->if_snd, m0); 536 break; 537 } 538 } 539 540 /* 541 * Ensure we have enough descriptors free to describe 542 * the packet. 543 */ 544 if (dmamap->dm_nsegs > sc->sc_txfree) { 545 /* 546 * Not enough free descriptors to transmit this 547 * packet. We haven't committed to anything yet, 548 * so just unload the DMA map, put the packet 549 * back on the queue, and punt. Notify the upper 550 * layer that there are no more slots left. 551 * 552 * XXX We could allocate an mbuf and copy, but 553 * XXX it is worth it? 554 */ 555 ifp->if_flags |= IFF_OACTIVE; 556 bus_dmamap_unload(sc->sc_dmat, dmamap); 557 IF_PREPEND(&ifp->if_snd, m0); 558 break; 559 } 560 561 /* 562 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 563 */ 564 565 /* Sync the DMA map. */ 566 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 567 BUS_DMASYNC_PREWRITE); 568 569 /* 570 * Initialize the transmit descriptors. 571 */ 572 for (nexttx = sc->sc_txnext, seg = 0; 573 seg < dmamap->dm_nsegs; 574 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 575 /* 576 * If this is the first descriptor we're 577 * enqueueing, don't set the OWN bit just 578 * yet. That could cause a race condition. 579 * We'll do it below. 580 */ 581 sc->sc_txdescs[nexttx].td_status = 582 (nexttx == firsttx) ? 0 : TDSTAT_OWN; 583 sc->sc_txdescs[nexttx].td_bufaddr1 = 584 dmamap->dm_segs[seg].ds_addr; 585 sc->sc_txdescs[nexttx].td_ctl = 586 (dmamap->dm_segs[seg].ds_len << TDCTL_SIZE1_SHIFT) | 587 TDCTL_CH; 588 lasttx = nexttx; 589 } 590 591 /* Set `first segment' and `last segment' appropriately. */ 592 sc->sc_txdescs[sc->sc_txnext].td_ctl |= TDCTL_Tx_FS; 593 sc->sc_txdescs[lasttx].td_ctl |= TDCTL_Tx_LS; 594 595 #ifdef TLP_DEBUG 596 if (ifp->if_flags & IFF_DEBUG) { 597 printf(" txsoft %p trainsmit chain:\n", txs); 598 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 599 printf(" descriptor %d:\n", seg); 600 printf(" td_status: 0x%08x\n", 601 sc->sc_txdescs[seg].td_status); 602 printf(" td_ctl: 0x%08x\n", 603 sc->sc_txdescs[seg].td_ctl); 604 printf(" td_bufaddr1: 0x%08x\n", 605 sc->sc_txdescs[seg].td_bufaddr1); 606 printf(" td_bufaddr2: 0x%08x\n", 607 sc->sc_txdescs[seg].td_bufaddr2); 608 if (seg == lasttx) 609 break; 610 } 611 } 612 #endif 613 614 /* Sync the descriptors we're using. */ 615 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 616 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 617 618 /* 619 * Store a pointer to the packet so we can free it later, 620 * and remember what txdirty will be once the packet is 621 * done. 622 */ 623 txs->txs_mbuf = m0; 624 txs->txs_firstdesc = sc->sc_txnext; 625 txs->txs_lastdesc = lasttx; 626 627 /* Advance the tx pointer. */ 628 sc->sc_txfree -= dmamap->dm_nsegs; 629 sc->sc_txnext = nexttx; 630 631 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 632 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 633 634 last_txs = txs; 635 636 #if NBPFILTER > 0 637 /* 638 * Pass the packet to any BPF listeners. 639 */ 640 if (ifp->if_bpf) 641 bpf_mtap(ifp->if_bpf, m0); 642 #endif /* NBPFILTER > 0 */ 643 } 644 645 if (txs == NULL || sc->sc_txfree == 0) { 646 /* No more slots left; notify upper layer. */ 647 ifp->if_flags |= IFF_OACTIVE; 648 } 649 650 if (sc->sc_txfree != ofree) { 651 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 652 sc->sc_dev.dv_xname, lasttx, firsttx)); 653 /* 654 * Cause a transmit interrupt to happen on the 655 * last packet we enqueued. 656 */ 657 sc->sc_txdescs[lasttx].td_ctl |= TDCTL_Tx_IC; 658 TULIP_CDTXSYNC(sc, lasttx, 1, 659 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 660 661 /* 662 * Some clone chips want IC on the *first* segment in 663 * the packet. Appease them. 664 */ 665 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 666 last_txs->txs_firstdesc != lasttx) { 667 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 668 TDCTL_Tx_IC; 669 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 670 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 671 } 672 673 /* 674 * The entire packet chain is set up. Give the 675 * first descriptor to the chip now. 676 */ 677 sc->sc_txdescs[firsttx].td_status |= TDSTAT_OWN; 678 TULIP_CDTXSYNC(sc, firsttx, 1, 679 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 680 681 /* Wake up the transmitter. */ 682 /* XXX USE AUTOPOLLING? */ 683 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 684 685 /* Set a watchdog timer in case the chip flakes out. */ 686 ifp->if_timer = 5; 687 } 688 } 689 690 /* 691 * tlp_watchdog: [ifnet interface function] 692 * 693 * Watchdog timer handler. 694 */ 695 void 696 tlp_watchdog(ifp) 697 struct ifnet *ifp; 698 { 699 struct tulip_softc *sc = ifp->if_softc; 700 int doing_setup, doing_transmit; 701 702 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 703 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 704 705 if (doing_setup && doing_transmit) { 706 printf("%s: filter setup and transmit timeout\n", 707 sc->sc_dev.dv_xname); 708 ifp->if_oerrors++; 709 } else if (doing_transmit) { 710 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 711 ifp->if_oerrors++; 712 } else if (doing_setup) 713 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 714 else 715 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 716 717 (void) tlp_init(sc); 718 719 /* Try to get more packets going. */ 720 tlp_start(ifp); 721 } 722 723 /* 724 * tlp_ioctl: [ifnet interface function] 725 * 726 * Handle control requests from the operator. 727 */ 728 int 729 tlp_ioctl(ifp, cmd, data) 730 struct ifnet *ifp; 731 u_long cmd; 732 caddr_t data; 733 { 734 struct tulip_softc *sc = ifp->if_softc; 735 struct ifreq *ifr = (struct ifreq *)data; 736 struct ifaddr *ifa = (struct ifaddr *)data; 737 int s, error = 0; 738 739 s = splnet(); 740 741 switch (cmd) { 742 case SIOCSIFADDR: 743 ifp->if_flags |= IFF_UP; 744 745 switch (ifa->ifa_addr->sa_family) { 746 #ifdef INET 747 case AF_INET: 748 if ((error = tlp_init(sc)) != 0) 749 break; 750 arp_ifinit(ifp, ifa); 751 break; 752 #endif /* INET */ 753 #ifdef NS 754 case AF_NS: 755 { 756 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 757 758 if (ns_nullhost(*ina)) 759 ina->x_host = *(union ns_host *) 760 LLADDR(ifp->if_sadl); 761 else 762 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 763 ifp->if_addrlen); 764 /* Set new address. */ 765 error = tlp_init(sc); 766 break; 767 } 768 #endif /* NS */ 769 default: 770 error = tlp_init(sc); 771 break; 772 } 773 break; 774 775 case SIOCSIFMTU: 776 if (ifr->ifr_mtu > ETHERMTU) 777 error = EINVAL; 778 else 779 ifp->if_mtu = ifr->ifr_mtu; 780 break; 781 782 case SIOCSIFFLAGS: 783 #ifdef TLP_STATS 784 if (ifp->if_flags & IFF_DEBUG) 785 tlp_print_stats(sc); 786 #endif 787 if ((ifp->if_flags & IFF_UP) == 0 && 788 (ifp->if_flags & IFF_RUNNING) != 0) { 789 /* 790 * If interface is marked down and it is running, then 791 * stop it. 792 */ 793 tlp_stop(sc, 1); 794 } else if ((ifp->if_flags & IFF_UP) != 0 && 795 (ifp->if_flags & IFF_RUNNING) == 0) { 796 /* 797 * If interfase it marked up and it is stopped, then 798 * start it. 799 */ 800 error = tlp_init(sc); 801 } else if ((ifp->if_flags & IFF_UP) != 0) { 802 /* 803 * Reset the interface to pick up changes in any other 804 * flags that affect the hardware state. 805 */ 806 error = tlp_init(sc); 807 } 808 break; 809 810 case SIOCADDMULTI: 811 case SIOCDELMULTI: 812 error = (cmd == SIOCADDMULTI) ? 813 ether_addmulti(ifr, &sc->sc_ethercom) : 814 ether_delmulti(ifr, &sc->sc_ethercom); 815 816 if (error == ENETRESET) { 817 /* 818 * Multicast list has changed. Set the filter 819 * accordingly. 820 */ 821 (*sc->sc_filter_setup)(sc); 822 error = 0; 823 } 824 break; 825 826 case SIOCSIFMEDIA: 827 case SIOCGIFMEDIA: 828 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 829 break; 830 831 default: 832 error = EINVAL; 833 break; 834 } 835 836 /* Try to get more packets going. */ 837 tlp_start(ifp); 838 839 splx(s); 840 return (error); 841 } 842 843 /* 844 * tlp_intr: 845 * 846 * Interrupt service routine. 847 */ 848 int 849 tlp_intr(arg) 850 void *arg; 851 { 852 struct tulip_softc *sc = arg; 853 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 854 u_int32_t status, rxstatus, txstatus; 855 int handled = 0, txthresh; 856 857 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 858 859 /* 860 * If the interface isn't running, the interrupt couldn't 861 * possibly have come from us. 862 */ 863 if ((ifp->if_flags & IFF_RUNNING) == 0) 864 return (0); 865 866 for (;;) { 867 status = TULIP_READ(sc, CSR_STATUS); 868 if (status) 869 TULIP_WRITE(sc, CSR_STATUS, status); 870 871 if ((status & sc->sc_inten) == 0) 872 break; 873 874 handled = 1; 875 876 rxstatus = status & sc->sc_rxint_mask; 877 txstatus = status & sc->sc_txint_mask; 878 879 if (rxstatus) { 880 /* Grab new any new packets. */ 881 tlp_rxintr(sc); 882 883 if (rxstatus & STATUS_RWT) 884 printf("%s: receive watchdog timeout\n", 885 sc->sc_dev.dv_xname); 886 887 if (rxstatus & STATUS_RU) { 888 printf("%s: receive ring overrun\n", 889 sc->sc_dev.dv_xname); 890 /* Get the receive process going again. */ 891 tlp_idle(sc, OPMODE_SR); 892 TULIP_WRITE(sc, CSR_RXLIST, 893 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 894 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 895 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 896 break; 897 } 898 } 899 900 if (txstatus) { 901 /* Sweep up transmit descriptors. */ 902 tlp_txintr(sc); 903 904 if (txstatus & STATUS_TJT) 905 printf("%s: transmit jabber timeout\n", 906 sc->sc_dev.dv_xname); 907 908 if (txstatus & STATUS_UNF) { 909 /* 910 * Increase our transmit threshold if 911 * another is available. 912 */ 913 txthresh = sc->sc_txthresh + 1; 914 if (sc->sc_txth[txthresh].txth_name != NULL) { 915 /* Idle the transmit process. */ 916 tlp_idle(sc, OPMODE_ST); 917 918 sc->sc_txthresh = txthresh; 919 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 920 sc->sc_opmode |= 921 sc->sc_txth[txthresh].txth_opmode; 922 printf("%s: transmit underrun; new " 923 "threshold: %s\n", 924 sc->sc_dev.dv_xname, 925 sc->sc_txth[txthresh].txth_name); 926 927 /* 928 * Set the new threshold and restart 929 * the transmit process. 930 */ 931 TULIP_WRITE(sc, CSR_OPMODE, 932 sc->sc_opmode); 933 } 934 /* 935 * XXX Log every Nth underrun from 936 * XXX now on? 937 */ 938 } 939 } 940 941 if (status & (STATUS_TPS|STATUS_RPS)) { 942 if (status & STATUS_TPS) 943 printf("%s: transmit process stopped\n", 944 sc->sc_dev.dv_xname); 945 if (status & STATUS_RPS) 946 printf("%s: receive process stopped\n", 947 sc->sc_dev.dv_xname); 948 (void) tlp_init(sc); 949 break; 950 } 951 952 if (status & STATUS_SE) { 953 const char *str; 954 switch (status & STATUS_EB) { 955 case STATUS_EB_PARITY: 956 str = "parity error"; 957 break; 958 959 case STATUS_EB_MABT: 960 str = "master abort"; 961 break; 962 963 case STATUS_EB_TABT: 964 str = "target abort"; 965 break; 966 967 default: 968 str = "unknown error"; 969 break; 970 } 971 printf("%s: fatal system error: %s\n", 972 sc->sc_dev.dv_xname, str); 973 (void) tlp_init(sc); 974 break; 975 } 976 977 /* 978 * Not handled: 979 * 980 * Transmit buffer unavailable -- normal 981 * condition, nothing to do, really. 982 * 983 * General purpose timer experied -- we don't 984 * use the general purpose timer. 985 * 986 * Early receive interrupt -- not available on 987 * all chips, we just use RI. We also only 988 * use single-segment receive DMA, so this 989 * is mostly useless. 990 */ 991 } 992 993 /* Try to get more packets going. */ 994 tlp_start(ifp); 995 996 return (handled); 997 } 998 999 /* 1000 * tlp_rxintr: 1001 * 1002 * Helper; handle receive interrupts. 1003 */ 1004 void 1005 tlp_rxintr(sc) 1006 struct tulip_softc *sc; 1007 { 1008 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1009 struct ether_header *eh; 1010 struct tulip_rxsoft *rxs; 1011 struct mbuf *m; 1012 u_int32_t rxstat; 1013 int i, len; 1014 1015 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1016 rxs = &sc->sc_rxsoft[i]; 1017 1018 TULIP_CDRXSYNC(sc, i, 1019 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1020 1021 rxstat = sc->sc_rxdescs[i].td_status; 1022 1023 if (rxstat & TDSTAT_OWN) { 1024 /* 1025 * We have processed all of the receive buffers. 1026 */ 1027 break; 1028 } 1029 1030 /* 1031 * Make sure the packet fit in one buffer. This should 1032 * always be the case. But the Lite-On PNIC, rev 33 1033 * has an awful receive engine bug, which may require 1034 * a very icky work-around. 1035 */ 1036 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1037 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1038 printf("%s: incoming packet spilled, resetting\n", 1039 sc->sc_dev.dv_xname); 1040 (void) tlp_init(sc); 1041 return; 1042 } 1043 1044 /* 1045 * If any collisions were seen on the wire, count one. 1046 */ 1047 if (rxstat & TDSTAT_Rx_CS) 1048 ifp->if_collisions++; 1049 1050 /* 1051 * If an error occured, update stats, clear the status 1052 * word, and leave the packet buffer in place. It will 1053 * simply be reused the next time the ring comes around. 1054 */ 1055 if (rxstat & TDSTAT_ES) { 1056 #define PRINTERR(bit, str) \ 1057 if (rxstat & (bit)) \ 1058 printf("%s: receive error: %s\n", \ 1059 sc->sc_dev.dv_xname, str) 1060 ifp->if_ierrors++; 1061 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1062 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1063 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1064 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1065 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1066 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1067 #undef PRINTERR 1068 TULIP_INIT_RXDESC(sc, i); 1069 continue; 1070 } 1071 1072 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1073 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1074 1075 /* 1076 * No errors; receive the packet. Note the Tulip 1077 * includes the CRC with every packet; trim it. 1078 */ 1079 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1080 1081 #ifdef __NO_STRICT_ALIGNMENT 1082 /* 1083 * Allocate a new mbuf cluster. If that fails, we are 1084 * out of memory, and must drop the packet and recycle 1085 * the buffer that's already attached to this descriptor. 1086 */ 1087 m = rxs->rxs_mbuf; 1088 if (tlp_add_rxbuf(sc, i) != 0) { 1089 ifp->if_ierrors++; 1090 TULIP_INIT_RXDESC(sc, i); 1091 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1092 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1093 continue; 1094 } 1095 #else 1096 /* 1097 * The Tulip's receive buffers must be 4-byte aligned. 1098 * But this means that the data after the Ethernet header 1099 * is misaligned. We must allocate a new buffer and 1100 * copy the data, shifted forward 2 bytes. 1101 */ 1102 MGETHDR(m, M_DONTWAIT, MT_DATA); 1103 if (m == NULL) { 1104 dropit: 1105 ifp->if_ierrors++; 1106 TULIP_INIT_RXDESC(sc, i); 1107 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1108 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1109 continue; 1110 } 1111 if (len > (MHLEN - 2)) { 1112 MCLGET(m, M_DONTWAIT); 1113 if ((m->m_flags & M_EXT) == 0) { 1114 m_freem(m); 1115 goto dropit; 1116 } 1117 } 1118 m->m_data += 2; 1119 1120 /* 1121 * Note that we use clusters for incoming frames, so the 1122 * buffer is virtually contiguous. 1123 */ 1124 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1125 1126 /* Allow the receive descriptor to continue using its mbuf. */ 1127 TULIP_INIT_RXDESC(sc, i); 1128 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1129 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1130 #endif /* __NO_STRICT_ALIGNMENT */ 1131 1132 ifp->if_ipackets++; 1133 eh = mtod(m, struct ether_header *); 1134 m->m_pkthdr.rcvif = ifp; 1135 m->m_pkthdr.len = m->m_len = len; 1136 1137 #if NBPFILTER > 0 1138 /* 1139 * Pass this up to any BPF listeners, but only 1140 * pass it up the stack if its for us. 1141 */ 1142 if (ifp->if_bpf) 1143 bpf_mtap(ifp->if_bpf, m); 1144 #endif /* NPBFILTER > 0 */ 1145 1146 /* 1147 * This test is outside the NBPFILTER block because 1148 * on the 21140 we have to use Hash-Only mode due to 1149 * a bug in the filter logic. 1150 */ 1151 if ((ifp->if_flags & IFF_PROMISC) != 0 || 1152 sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 1153 if (memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1154 ETHER_ADDR_LEN) != 0 && 1155 ETHER_IS_MULTICAST(eh->ether_dhost) == 0) { 1156 m_freem(m); 1157 continue; 1158 } 1159 } 1160 1161 /* Pass it on. */ 1162 (*ifp->if_input)(ifp, m); 1163 } 1164 1165 /* Update the recieve pointer. */ 1166 sc->sc_rxptr = i; 1167 } 1168 1169 /* 1170 * tlp_txintr: 1171 * 1172 * Helper; handle transmit interrupts. 1173 */ 1174 void 1175 tlp_txintr(sc) 1176 struct tulip_softc *sc; 1177 { 1178 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1179 struct tulip_txsoft *txs; 1180 u_int32_t txstat; 1181 1182 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1183 sc->sc_dev.dv_xname, sc->sc_flags)); 1184 1185 ifp->if_flags &= ~IFF_OACTIVE; 1186 1187 /* 1188 * If we were doing a filter setup, check to see if it completed. 1189 */ 1190 if (sc->sc_flags & TULIPF_DOING_SETUP) { 1191 TULIP_CDSDSYNC(sc, BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1192 if ((sc->sc_setup_desc.td_status & TDSTAT_OWN) == 0) 1193 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1194 } 1195 1196 /* 1197 * Go through our Tx list and free mbufs for those 1198 * frames that have been transmitted. 1199 */ 1200 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1201 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1202 txs->txs_dmamap->dm_nsegs, 1203 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1204 1205 #ifdef TLP_DEBUG 1206 if (ifp->if_flags & IFF_DEBUG) { 1207 int i; 1208 printf(" txsoft %p trainsmit chain:\n", txs); 1209 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1210 printf(" descriptor %d:\n", i); 1211 printf(" td_status: 0x%08x\n", 1212 sc->sc_txdescs[i].td_status); 1213 printf(" td_ctl: 0x%08x\n", 1214 sc->sc_txdescs[i].td_ctl); 1215 printf(" td_bufaddr1: 0x%08x\n", 1216 sc->sc_txdescs[i].td_bufaddr1); 1217 printf(" td_bufaddr2: 0x%08x\n", 1218 sc->sc_txdescs[i].td_bufaddr2); 1219 if (i == txs->txs_lastdesc) 1220 break; 1221 } 1222 } 1223 #endif 1224 1225 txstat = sc->sc_txdescs[txs->txs_lastdesc].td_status; 1226 if (txstat & TDSTAT_OWN) 1227 break; 1228 1229 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1230 1231 sc->sc_txfree += txs->txs_dmamap->dm_nsegs; 1232 1233 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1234 0, txs->txs_dmamap->dm_mapsize, 1235 BUS_DMASYNC_POSTWRITE); 1236 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1237 m_freem(txs->txs_mbuf); 1238 txs->txs_mbuf = NULL; 1239 1240 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1241 1242 /* 1243 * Check for errors and collisions. 1244 */ 1245 #ifdef TLP_STATS 1246 if (txstat & TDSTAT_Tx_UF) 1247 sc->sc_stats.ts_tx_uf++; 1248 if (txstat & TDSTAT_Tx_TO) 1249 sc->sc_stats.ts_tx_to++; 1250 if (txstat & TDSTAT_Tx_EC) 1251 sc->sc_stats.ts_tx_ec++; 1252 if (txstat & TDSTAT_Tx_LC) 1253 sc->sc_stats.ts_tx_lc++; 1254 #endif 1255 1256 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1257 ifp->if_oerrors++; 1258 1259 if (txstat & TDSTAT_Tx_EC) 1260 ifp->if_collisions += 16; 1261 else 1262 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1263 if (txstat & TDSTAT_Tx_LC) 1264 ifp->if_collisions++; 1265 1266 ifp->if_opackets++; 1267 } 1268 1269 /* 1270 * If there are no more pending transmissions, cancel the watchdog 1271 * timer. 1272 */ 1273 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1274 ifp->if_timer = 0; 1275 1276 /* 1277 * If we have a receive filter setup pending, do it now. 1278 */ 1279 if (sc->sc_flags & TULIPF_WANT_SETUP) 1280 (*sc->sc_filter_setup)(sc); 1281 } 1282 1283 #ifdef TLP_STATS 1284 void 1285 tlp_print_stats(sc) 1286 struct tulip_softc *sc; 1287 { 1288 1289 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1290 sc->sc_dev.dv_xname, 1291 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1292 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1293 } 1294 #endif 1295 1296 /* 1297 * tlp_reset: 1298 * 1299 * Perform a soft reset on the Tulip. 1300 */ 1301 void 1302 tlp_reset(sc) 1303 struct tulip_softc *sc; 1304 { 1305 int i; 1306 1307 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1308 1309 for (i = 0; i < 1000; i++) { 1310 /* 1311 * Wait at least 50 PCI cycles for the reset to 1312 * complete before peeking at the Tulip again. 1313 * 10 uSec is a bit longer than 50 PCI cycles 1314 * (at 33MHz), but it doesn't hurt have the extra 1315 * wait. 1316 */ 1317 delay(10); 1318 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1319 break; 1320 } 1321 1322 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1323 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1324 1325 delay(1000); 1326 1327 /* 1328 * If the board has any GPIO reset sequences to issue, do them now. 1329 */ 1330 if (sc->sc_reset != NULL) 1331 (*sc->sc_reset)(sc); 1332 } 1333 1334 /* 1335 * tlp_init: 1336 * 1337 * Initialize the interface. Must be called at splnet(). 1338 */ 1339 int 1340 tlp_init(sc) 1341 struct tulip_softc *sc; 1342 { 1343 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1344 struct tulip_txsoft *txs; 1345 struct tulip_rxsoft *rxs; 1346 int i, error = 0; 1347 1348 /* 1349 * Cancel any pending I/O. 1350 */ 1351 tlp_stop(sc, 0); 1352 1353 /* 1354 * Initialize `opmode' to 0, and call the pre-init routine, if 1355 * any. This is required because the 2114x and some of the 1356 * clones require that the media-related bits in `opmode' be 1357 * set before performing a soft-reset in order to get internal 1358 * chip pathways are correct. Yay! 1359 */ 1360 sc->sc_opmode = 0; 1361 if (sc->sc_preinit != NULL) 1362 (*sc->sc_preinit)(sc); 1363 1364 /* 1365 * Reset the Tulip to a known state. 1366 */ 1367 tlp_reset(sc); 1368 1369 /* 1370 * Initialize the BUSMODE register. 1371 * 1372 * XXX What about read-multiple/read-line/write-line on 1373 * XXX the 21140 and up? 1374 */ 1375 sc->sc_busmode = BUSMODE_BAR; 1376 switch (sc->sc_cacheline) { 1377 default: 1378 /* 1379 * Note: We must *always* set these bits; a cache 1380 * alignment of 0 is RESERVED. 1381 */ 1382 case 8: 1383 sc->sc_busmode |= BUSMODE_CAL_8LW; 1384 break; 1385 case 16: 1386 sc->sc_busmode |= BUSMODE_CAL_16LW; 1387 break; 1388 case 32: 1389 sc->sc_busmode |= BUSMODE_CAL_32LW; 1390 break; 1391 } 1392 switch (sc->sc_chip) { 1393 case TULIP_CHIP_82C168: 1394 case TULIP_CHIP_82C169: 1395 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1396 break; 1397 default: 1398 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1399 break; 1400 } 1401 #if BYTE_ORDER == BIG_ENDIAN 1402 /* 1403 * XXX There are reports that this doesn't work properly 1404 * in the old Tulip driver, but BUSMODE_DBO does. However, 1405 * BUSMODE_DBO is not available on the 21040, and requires 1406 * us to byte-swap the setup packet. What to do? 1407 */ 1408 sc->sc_busmode |= BUSMODE_BLE; 1409 #endif 1410 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1411 1412 /* 1413 * Initialize the OPMODE register. We don't write it until 1414 * we're ready to begin the transmit and receive processes. 1415 * 1416 * Media-related OPMODE bits are set in the media callbacks 1417 * for each specific chip/board. 1418 */ 1419 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1420 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1421 1422 /* 1423 * Magical mystery initialization on the Macronix chips. 1424 * The MX98713 uses its own magic value, the rest share 1425 * a common one. 1426 */ 1427 switch (sc->sc_chip) { 1428 case TULIP_CHIP_MX98713: 1429 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1430 break; 1431 1432 case TULIP_CHIP_MX98713A: 1433 case TULIP_CHIP_MX98715: 1434 case TULIP_CHIP_MX98725: 1435 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1436 break; 1437 1438 default: 1439 /* Nothing. */ 1440 } 1441 1442 /* 1443 * Initialize the transmit descriptor ring. 1444 */ 1445 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1446 for (i = 0; i < TULIP_NTXDESC; i++) { 1447 sc->sc_txdescs[i].td_ctl = TDCTL_CH; 1448 sc->sc_txdescs[i].td_bufaddr2 = 1449 TULIP_CDTXADDR(sc, TULIP_NEXTTX(i)); 1450 } 1451 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1452 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1453 sc->sc_txfree = TULIP_NTXDESC; 1454 sc->sc_txnext = 0; 1455 1456 /* 1457 * Initialize the transmit job descriptors. 1458 */ 1459 SIMPLEQ_INIT(&sc->sc_txfreeq); 1460 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1461 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1462 txs = &sc->sc_txsoft[i]; 1463 txs->txs_mbuf = NULL; 1464 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1465 } 1466 1467 /* 1468 * Initialize the receive descriptor and receive job 1469 * descriptor rings. 1470 */ 1471 for (i = 0; i < TULIP_NRXDESC; i++) { 1472 rxs = &sc->sc_rxsoft[i]; 1473 if (rxs->rxs_mbuf == NULL) { 1474 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1475 printf("%s: unable to allocate or map rx " 1476 "buffer %d, error = %d\n", 1477 sc->sc_dev.dv_xname, i, error); 1478 /* 1479 * XXX Should attempt to run with fewer receive 1480 * XXX buffers instead of just failing. 1481 */ 1482 tlp_rxdrain(sc); 1483 goto out; 1484 } 1485 } 1486 } 1487 sc->sc_rxptr = 0; 1488 1489 /* 1490 * Initialize the interrupt mask and enable interrupts. 1491 */ 1492 /* normal interrupts */ 1493 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1494 1495 /* abnormal interrupts */ 1496 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1497 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1498 1499 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1500 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1501 1502 switch (sc->sc_chip) { 1503 case TULIP_CHIP_WB89C840F: 1504 /* 1505 * Clear bits that we don't want that happen to 1506 * overlap or don't exist. 1507 */ 1508 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1509 break; 1510 1511 default: 1512 /* Nothing. */ 1513 } 1514 1515 sc->sc_rxint_mask &= sc->sc_inten; 1516 sc->sc_txint_mask &= sc->sc_inten; 1517 1518 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1519 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1520 1521 /* 1522 * Give the transmit and receive rings to the Tulip. 1523 */ 1524 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1525 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1526 1527 /* 1528 * On chips that do this differently, set the station address. 1529 */ 1530 switch (sc->sc_chip) { 1531 case TULIP_CHIP_WB89C840F: 1532 { 1533 /* XXX Do this with stream writes? */ 1534 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1535 1536 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1537 bus_space_write_1(sc->sc_st, sc->sc_sh, 1538 cpa + i, LLADDR(ifp->if_sadl)[i]); 1539 } 1540 break; 1541 } 1542 1543 case TULIP_CHIP_AL981: 1544 { 1545 u_int32_t reg; 1546 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1547 1548 reg = enaddr[0] | 1549 (enaddr[1] << 8) | 1550 (enaddr[2] << 16) | 1551 (enaddr[3] << 24); 1552 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1553 1554 reg = enaddr[4] | 1555 (enaddr[5] << 8); 1556 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1557 } 1558 1559 default: 1560 /* Nothing. */ 1561 } 1562 1563 /* 1564 * Set the receive filter. This will start the transmit and 1565 * receive processes. 1566 */ 1567 (*sc->sc_filter_setup)(sc); 1568 1569 /* 1570 * Set the current media. 1571 */ 1572 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1573 1574 /* 1575 * Start the receive process. 1576 */ 1577 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1578 1579 if (sc->sc_tick != NULL) { 1580 /* Start the one second clock. */ 1581 timeout(sc->sc_tick, sc, hz); 1582 } 1583 1584 /* 1585 * Note that the interface is now running. 1586 */ 1587 ifp->if_flags |= IFF_RUNNING; 1588 ifp->if_flags &= ~IFF_OACTIVE; 1589 1590 out: 1591 if (error) 1592 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1593 return (error); 1594 } 1595 1596 /* 1597 * tlp_rxdrain: 1598 * 1599 * Drain the receive queue. 1600 */ 1601 void 1602 tlp_rxdrain(sc) 1603 struct tulip_softc *sc; 1604 { 1605 struct tulip_rxsoft *rxs; 1606 int i; 1607 1608 for (i = 0; i < TULIP_NRXDESC; i++) { 1609 rxs = &sc->sc_rxsoft[i]; 1610 if (rxs->rxs_mbuf != NULL) { 1611 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1612 m_freem(rxs->rxs_mbuf); 1613 rxs->rxs_mbuf = NULL; 1614 } 1615 } 1616 } 1617 1618 /* 1619 * tlp_stop: 1620 * 1621 * Stop transmission on the interface. 1622 */ 1623 void 1624 tlp_stop(sc, drain) 1625 struct tulip_softc *sc; 1626 int drain; 1627 { 1628 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1629 struct tulip_txsoft *txs; 1630 1631 if (sc->sc_tick != NULL) { 1632 /* Stop the one second clock. */ 1633 untimeout(sc->sc_tick, sc); 1634 } 1635 1636 /* Disable interrupts. */ 1637 TULIP_WRITE(sc, CSR_INTEN, 0); 1638 1639 /* Stop the transmit and receive processes. */ 1640 TULIP_WRITE(sc, CSR_OPMODE, 0); 1641 TULIP_WRITE(sc, CSR_RXLIST, 0); 1642 TULIP_WRITE(sc, CSR_TXLIST, 0); 1643 1644 /* 1645 * Release any queued transmit buffers. 1646 */ 1647 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1648 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1649 if (txs->txs_mbuf != NULL) { 1650 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1651 m_freem(txs->txs_mbuf); 1652 txs->txs_mbuf = NULL; 1653 } 1654 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1655 } 1656 1657 if (drain) { 1658 /* 1659 * Release the receive buffers. 1660 */ 1661 tlp_rxdrain(sc); 1662 } 1663 1664 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 1665 1666 /* 1667 * Mark the interface down and cancel the watchdog timer. 1668 */ 1669 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1670 ifp->if_timer = 0; 1671 } 1672 1673 #define SROM_EMIT(sc, x) \ 1674 do { \ 1675 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 1676 delay(1); \ 1677 } while (0) 1678 1679 /* 1680 * tlp_srom_idle: 1681 * 1682 * Put the SROM in idle state. 1683 */ 1684 void 1685 tlp_srom_idle(sc) 1686 struct tulip_softc *sc; 1687 { 1688 u_int32_t miirom; 1689 int i; 1690 1691 miirom = MIIROM_SR; 1692 SROM_EMIT(sc, miirom); 1693 1694 miirom |= MIIROM_RD; 1695 SROM_EMIT(sc, miirom); 1696 1697 miirom |= MIIROM_SROMCS; 1698 SROM_EMIT(sc, miirom); 1699 1700 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1701 1702 /* Strobe the clock 25 times. */ 1703 for (i = 0; i < 25; i++) { 1704 SROM_EMIT(sc, miirom); 1705 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1706 } 1707 1708 SROM_EMIT(sc, miirom); 1709 1710 miirom &= ~MIIROM_SROMCS; 1711 SROM_EMIT(sc, miirom); 1712 1713 SROM_EMIT(sc, 0); 1714 } 1715 1716 /* 1717 * tlp_read_srom: 1718 * 1719 * Read the Tulip SROM. 1720 */ 1721 void 1722 tlp_read_srom(sc, word, wordcnt, data) 1723 struct tulip_softc *sc; 1724 int word, wordcnt; 1725 u_int8_t *data; 1726 { 1727 u_int32_t miirom; 1728 u_int16_t datain; 1729 int i, x; 1730 1731 tlp_srom_idle(sc); 1732 1733 /* Select the SROM. */ 1734 miirom = MIIROM_SR; 1735 SROM_EMIT(sc, miirom); 1736 1737 miirom |= MIIROM_RD; 1738 SROM_EMIT(sc, miirom); 1739 1740 for (i = 0; i < wordcnt; i++) { 1741 /* Send CHIP SELECT for one clock tick. */ 1742 miirom |= MIIROM_SROMCS; 1743 SROM_EMIT(sc, miirom); 1744 1745 /* Shift in the READ opcode. */ 1746 for (x = 3; x > 0; x--) { 1747 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 1748 miirom |= MIIROM_SROMDI; 1749 else 1750 miirom &= ~MIIROM_SROMDI; 1751 SROM_EMIT(sc, miirom); 1752 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1753 SROM_EMIT(sc, miirom); 1754 } 1755 1756 /* Shift in address. */ 1757 for (x = 6; x > 0; x--) { 1758 if ((word + i) & (1 << (x - 1))) 1759 miirom |= MIIROM_SROMDI; 1760 else 1761 miirom &= ~MIIROM_SROMDI; 1762 SROM_EMIT(sc, miirom); 1763 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1764 SROM_EMIT(sc, miirom); 1765 } 1766 1767 /* Shift out data. */ 1768 miirom &= ~MIIROM_SROMDI; 1769 datain = 0; 1770 for (x = 16; x > 0; x--) { 1771 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 1772 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 1773 datain |= (1 << (x - 1)); 1774 SROM_EMIT(sc, miirom); 1775 } 1776 data[2 * i] = datain & 0xff; 1777 data[(2 * i) + 1] = datain >> 8; 1778 1779 /* Clear CHIP SELECT. */ 1780 miirom &= ~MIIROM_SROMCS; 1781 SROM_EMIT(sc, miirom); 1782 } 1783 1784 /* Deselect the SROM. */ 1785 SROM_EMIT(sc, 0); 1786 1787 /* ...and idle it. */ 1788 tlp_srom_idle(sc); 1789 } 1790 1791 #undef SROM_EMIT 1792 1793 /* 1794 * tlp_add_rxbuf: 1795 * 1796 * Add a receive buffer to the indicated descriptor. 1797 */ 1798 int 1799 tlp_add_rxbuf(sc, idx) 1800 struct tulip_softc *sc; 1801 int idx; 1802 { 1803 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 1804 struct mbuf *m; 1805 int error; 1806 1807 MGETHDR(m, M_DONTWAIT, MT_DATA); 1808 if (m == NULL) 1809 return (ENOBUFS); 1810 1811 MCLGET(m, M_DONTWAIT); 1812 if ((m->m_flags & M_EXT) == 0) { 1813 m_freem(m); 1814 return (ENOBUFS); 1815 } 1816 1817 if (rxs->rxs_mbuf != NULL) 1818 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1819 1820 rxs->rxs_mbuf = m; 1821 1822 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 1823 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 1824 if (error) { 1825 printf("%s: can't load rx DMA map %d, error = %d\n", 1826 sc->sc_dev.dv_xname, idx, error); 1827 panic("tlp_add_rxbuf"); /* XXX */ 1828 } 1829 1830 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1831 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1832 1833 TULIP_INIT_RXDESC(sc, idx); 1834 1835 return (0); 1836 } 1837 1838 /* 1839 * tlp_crc32: 1840 * 1841 * Compute the 32-bit CRC of the provided buffer. 1842 */ 1843 u_int32_t 1844 tlp_crc32(buf, len) 1845 const u_int8_t *buf; 1846 size_t len; 1847 { 1848 static const u_int32_t crctab[] = { 1849 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 1850 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 1851 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 1852 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 1853 }; 1854 u_int32_t crc; 1855 int i; 1856 1857 crc = 0xffffffff; 1858 for (i = 0; i < len; i++) { 1859 crc ^= buf[i]; 1860 crc = (crc >> 4) ^ crctab[crc & 0xf]; 1861 crc = (crc >> 4) ^ crctab[crc & 0xf]; 1862 } 1863 return (crc); 1864 } 1865 1866 /* 1867 * tlp_srom_crcok: 1868 * 1869 * Check the CRC of the Tulip SROM. 1870 */ 1871 int 1872 tlp_srom_crcok(romdata) 1873 const u_int8_t *romdata; 1874 { 1875 u_int32_t crc; 1876 1877 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM); 1878 crc = (crc & 0xffff) ^ 0xffff; 1879 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 1880 return (1); 1881 return (0); 1882 } 1883 1884 /* 1885 * tlp_isv_srom: 1886 * 1887 * Check to see if the SROM is in the new standardized format. 1888 */ 1889 int 1890 tlp_isv_srom(romdata) 1891 const u_int8_t *romdata; 1892 { 1893 int i; 1894 u_int16_t cksum; 1895 1896 if (tlp_srom_crcok(romdata)) { 1897 /* 1898 * SROM CRC checks out; must be in the new format. 1899 */ 1900 return (1); 1901 } 1902 1903 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 1904 if (cksum == 0xffff || cksum == 0) { 1905 /* 1906 * No checksum present. Check the SROM ID; 18 bytes of 0 1907 * followed by 1 (version) followed by the number of 1908 * adapters which use this SROM (should be non-zero). 1909 */ 1910 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 1911 if (romdata[i] != 0) 1912 return (0); 1913 } 1914 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 1915 return (0); 1916 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 1917 return (0); 1918 return (1); 1919 } 1920 1921 return (0); 1922 } 1923 1924 /* 1925 * tlp_isv_srom_enaddr: 1926 * 1927 * Get the Ethernet address from an ISV SROM. 1928 */ 1929 int 1930 tlp_isv_srom_enaddr(sc, enaddr) 1931 struct tulip_softc *sc; 1932 u_int8_t *enaddr; 1933 { 1934 int i, devcnt; 1935 1936 if (tlp_isv_srom(sc->sc_srom) == 0) 1937 return (0); 1938 1939 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 1940 for (i = 0; i < devcnt; i++) { 1941 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 1942 break; 1943 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 1944 sc->sc_devno) 1945 break; 1946 } 1947 1948 if (i == devcnt) 1949 return (0); 1950 1951 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 1952 ETHER_ADDR_LEN); 1953 enaddr[5] += i; 1954 1955 return (1); 1956 } 1957 1958 /* 1959 * tlp_parse_old_srom: 1960 * 1961 * Parse old-format SROMs. 1962 * 1963 * This routine is largely lifted from Matt Thomas's `de' driver. 1964 */ 1965 int 1966 tlp_parse_old_srom(sc, enaddr) 1967 struct tulip_softc *sc; 1968 u_int8_t *enaddr; 1969 { 1970 static const u_int8_t testpat[] = 1971 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 1972 int i; 1973 u_int32_t cksum; 1974 1975 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 1976 /* 1977 * Some vendors (e.g. ZNYX) don't use the standard 1978 * DEC Address ROM format, but rather just have an 1979 * Ethernet address in the first 6 bytes, maybe a 1980 * 2 byte checksum, and then all 0xff's. 1981 */ 1982 for (i = 8; i < 32; i++) { 1983 if (sc->sc_srom[i] != 0xff) 1984 return (0); 1985 } 1986 1987 /* 1988 * Sanity check the Ethernet address: 1989 * 1990 * - Make sure it's not multicast or locally 1991 * assigned 1992 * - Make sure it has a non-0 OUI 1993 */ 1994 if (sc->sc_srom[0] & 3) 1995 return (0); 1996 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 1997 sc->sc_srom[2] == 0) 1998 return (0); 1999 2000 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2001 return (1); 2002 } 2003 2004 /* 2005 * Standard DEC Address ROM test. 2006 */ 2007 2008 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2009 return (0); 2010 2011 for (i = 0; i < 8; i++) { 2012 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2013 return (0); 2014 } 2015 2016 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2017 2018 cksum = *(u_int16_t *) &enaddr[0]; 2019 2020 cksum <<= 1; 2021 if (cksum > 0xffff) 2022 cksum -= 0xffff; 2023 2024 cksum += *(u_int16_t *) &enaddr[2]; 2025 if (cksum > 0xffff) 2026 cksum -= 0xffff; 2027 2028 cksum <<= 1; 2029 if (cksum > 0xffff) 2030 cksum -= 0xffff; 2031 2032 cksum += *(u_int16_t *) &enaddr[4]; 2033 if (cksum >= 0xffff) 2034 cksum -= 0xffff; 2035 2036 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2037 return (0); 2038 2039 return (1); 2040 } 2041 2042 /* 2043 * tlp_filter_setup: 2044 * 2045 * Set the Tulip's receive filter. 2046 */ 2047 void 2048 tlp_filter_setup(sc) 2049 struct tulip_softc *sc; 2050 { 2051 struct ethercom *ec = &sc->sc_ethercom; 2052 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2053 struct ether_multi *enm; 2054 struct ether_multistep step; 2055 __volatile u_int32_t *sp; 2056 u_int8_t enaddr[ETHER_ADDR_LEN]; 2057 u_int32_t hash; 2058 int cnt; 2059 2060 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2061 sc->sc_dev.dv_xname, sc->sc_flags)); 2062 2063 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2064 2065 /* 2066 * If there are transmissions pending, wait until they have 2067 * completed. 2068 */ 2069 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2070 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2071 sc->sc_flags |= TULIPF_WANT_SETUP; 2072 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2073 sc->sc_dev.dv_xname)); 2074 return; 2075 } 2076 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2077 2078 /* 2079 * If we're running, idle the transmit and receive engines. If 2080 * we're NOT running, we're being called from tlp_init(), and our 2081 * writing OPMODE will start the transmit and receive processes 2082 * in motion. 2083 */ 2084 if (ifp->if_flags & IFF_RUNNING) { 2085 /* 2086 * Actually, some chips seem to need a really hard 2087 * kick in the head for this to work. The genuine 2088 * DEC chips can just be idled, but some of the 2089 * clones seem to REALLY want a reset here. Doing 2090 * the reset will end up here again, but with 2091 * IFF_RUNNING cleared. 2092 */ 2093 switch (sc->sc_chip) { 2094 case TULIP_CHIP_82C168: 2095 case TULIP_CHIP_82C169: 2096 tlp_init(sc); 2097 return; 2098 2099 default: 2100 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2101 } 2102 } 2103 2104 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2105 2106 if (ifp->if_flags & IFF_PROMISC) { 2107 sc->sc_opmode |= OPMODE_PR; 2108 goto allmulti; 2109 } 2110 2111 /* 2112 * Try Perfect filtering first. 2113 */ 2114 2115 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2116 sp = TULIP_CDSP(sc); 2117 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2118 cnt = 0; 2119 ETHER_FIRST_MULTI(step, ec, enm); 2120 while (enm != NULL) { 2121 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2122 /* 2123 * We must listen to a range of multicast addresses. 2124 * For now, just accept all multicasts, rather than 2125 * trying to set only those filter bits needed to match 2126 * the range. (At this time, the only use of address 2127 * ranges is for IP multicast routing, for which the 2128 * range is big enough to require all bits set.) 2129 */ 2130 goto allmulti; 2131 } 2132 if (cnt == (TULIP_MAXADDRS - 2)) { 2133 /* 2134 * We already have our multicast limit (still need 2135 * our station address and broadcast). Go to 2136 * Hash-Perfect mode. 2137 */ 2138 goto hashperfect; 2139 } 2140 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2141 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2142 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2143 ETHER_NEXT_MULTI(step, enm); 2144 } 2145 2146 if (ifp->if_flags & IFF_BROADCAST) { 2147 /* ...and the broadcast address. */ 2148 cnt++; 2149 *sp++ = 0xffff; 2150 *sp++ = 0xffff; 2151 *sp++ = 0xffff; 2152 } 2153 2154 /* Pad the rest with our station address. */ 2155 for (; cnt < TULIP_MAXADDRS; cnt++) { 2156 *sp++ = ((u_int16_t *) enaddr)[0]; 2157 *sp++ = ((u_int16_t *) enaddr)[1]; 2158 *sp++ = ((u_int16_t *) enaddr)[2]; 2159 } 2160 ifp->if_flags &= ~IFF_ALLMULTI; 2161 goto setit; 2162 2163 hashperfect: 2164 /* 2165 * Try Hash-Perfect mode. 2166 */ 2167 2168 /* 2169 * Some 21140 chips have broken Hash-Perfect modes. On these 2170 * chips, we simply use Hash-Only mode, and put our station 2171 * address into the filter. 2172 */ 2173 if (sc->sc_chip == TULIP_CHIP_21140) 2174 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2175 else 2176 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2177 sp = TULIP_CDSP(sc); 2178 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2179 ETHER_FIRST_MULTI(step, ec, enm); 2180 while (enm != NULL) { 2181 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2182 /* 2183 * We must listen to a range of multicast addresses. 2184 * For now, just accept all multicasts, rather than 2185 * trying to set only those filter bits needed to match 2186 * the range. (At this time, the only use of address 2187 * ranges is for IP multicast routing, for which the 2188 * range is big enough to require all bits set.) 2189 */ 2190 goto allmulti; 2191 } 2192 hash = tlp_mchash(enm->enm_addrlo); 2193 sp[hash >> 4] |= 1 << (hash & 0xf); 2194 ETHER_NEXT_MULTI(step, enm); 2195 } 2196 2197 if (ifp->if_flags & IFF_BROADCAST) { 2198 /* ...and the broadcast address. */ 2199 hash = tlp_mchash(etherbroadcastaddr); 2200 sp[hash >> 4] |= 1 << (hash & 0xf); 2201 } 2202 2203 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2204 /* ...and our station address. */ 2205 hash = tlp_mchash(enaddr); 2206 sp[hash >> 4] |= 1 << (hash & 0xf); 2207 } else { 2208 /* 2209 * Hash-Perfect mode; put our station address after 2210 * the hash table. 2211 */ 2212 sp[39] = ((u_int16_t *) enaddr)[0]; 2213 sp[40] = ((u_int16_t *) enaddr)[1]; 2214 sp[41] = ((u_int16_t *) enaddr)[2]; 2215 } 2216 ifp->if_flags &= ~IFF_ALLMULTI; 2217 goto setit; 2218 2219 allmulti: 2220 /* 2221 * Use Perfect filter mode. First address is the broadcast address, 2222 * and pad the rest with our station address. We'll set Pass-all- 2223 * multicast in OPMODE below. 2224 */ 2225 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2226 sp = TULIP_CDSP(sc); 2227 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2228 cnt = 0; 2229 if (ifp->if_flags & IFF_BROADCAST) { 2230 cnt++; 2231 *sp++ = 0xffff; 2232 *sp++ = 0xffff; 2233 *sp++ = 0xffff; 2234 } 2235 for (; cnt < TULIP_MAXADDRS; cnt++) { 2236 *sp++ = ((u_int16_t *) enaddr)[0]; 2237 *sp++ = ((u_int16_t *) enaddr)[1]; 2238 *sp++ = ((u_int16_t *) enaddr)[2]; 2239 } 2240 ifp->if_flags |= IFF_ALLMULTI; 2241 2242 setit: 2243 if (ifp->if_flags & IFF_ALLMULTI) 2244 sc->sc_opmode |= OPMODE_PM; 2245 2246 /* Sync the setup packet buffer. */ 2247 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2248 2249 /* 2250 * Fill in the setup packet descriptor. 2251 */ 2252 sc->sc_setup_desc.td_bufaddr1 = TULIP_CDSPADDR(sc); 2253 sc->sc_setup_desc.td_bufaddr2 = TULIP_CDTXADDR(sc, sc->sc_txnext); 2254 sc->sc_setup_desc.td_ctl = 2255 (TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2256 sc->sc_filtmode | TDCTL_Tx_SET | TDCTL_Tx_FS | TDCTL_Tx_LS | 2257 TDCTL_Tx_IC | TDCTL_CH; 2258 sc->sc_setup_desc.td_status = TDSTAT_OWN; 2259 TULIP_CDSDSYNC(sc, BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2260 2261 /* 2262 * Write the address of the setup descriptor. This also has 2263 * the side effect of giving the transmit ring to the chip, 2264 * since the setup descriptor points to the next available 2265 * descriptor in the ring. 2266 */ 2267 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDSDADDR(sc)); 2268 2269 /* 2270 * Set the OPMODE register. This will also resume the 2271 * transmit transmit process we idled above. 2272 */ 2273 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2274 2275 sc->sc_flags |= TULIPF_DOING_SETUP; 2276 2277 /* 2278 * Kick the transmitter; this will cause the Tulip to 2279 * read the setup descriptor. 2280 */ 2281 /* XXX USE AUTOPOLLING? */ 2282 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2283 2284 /* Set up a watchdog timer in case the chip flakes out. */ 2285 ifp->if_timer = 5; 2286 2287 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2288 } 2289 2290 /* 2291 * tlp_winb_filter_setup: 2292 * 2293 * Set the Winbond 89C840F's receive filter. 2294 */ 2295 void 2296 tlp_winb_filter_setup(sc) 2297 struct tulip_softc *sc; 2298 { 2299 struct ethercom *ec = &sc->sc_ethercom; 2300 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2301 struct ether_multi *enm; 2302 struct ether_multistep step; 2303 u_int32_t hash, mchash[2]; 2304 2305 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2306 sc->sc_dev.dv_xname, sc->sc_flags)); 2307 2308 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2309 2310 if (ifp->if_flags & IFF_MULTICAST) 2311 sc->sc_opmode |= OPMODE_WINB_AMP; 2312 2313 if (ifp->if_flags & IFF_BROADCAST) 2314 sc->sc_opmode |= OPMODE_WINB_ABP; 2315 2316 if (ifp->if_flags & IFF_PROMISC) { 2317 sc->sc_opmode |= OPMODE_WINB_APP; 2318 goto allmulti; 2319 } 2320 2321 mchash[0] = mchash[1] = 0; 2322 2323 ETHER_FIRST_MULTI(step, ec, enm); 2324 while (enm != NULL) { 2325 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2326 /* 2327 * We must listen to a range of multicast addresses. 2328 * For now, just accept all multicasts, rather than 2329 * trying to set only those filter bits needed to match 2330 * the range. (At this time, the only use of address 2331 * ranges is for IP multicast routing, for which the 2332 * range is big enough to require all bits set.) 2333 */ 2334 goto allmulti; 2335 } 2336 2337 /* 2338 * According to the FreeBSD `wb' driver, yes, you 2339 * really do invert the hash. 2340 */ 2341 hash = (~(tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2342 & 0x3f; 2343 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2344 ETHER_NEXT_MULTI(step, enm); 2345 } 2346 ifp->if_flags &= ~IFF_ALLMULTI; 2347 goto setit; 2348 2349 allmulti: 2350 ifp->if_flags |= IFF_ALLMULTI; 2351 mchash[0] = mchash[1] = 0xffffffff; 2352 2353 setit: 2354 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2355 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2356 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2357 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2358 sc->sc_dev.dv_xname)); 2359 } 2360 2361 /* 2362 * tlp_al981_filter_setup: 2363 * 2364 * Set the ADMtek AL981's receive filter. 2365 */ 2366 void 2367 tlp_al981_filter_setup(sc) 2368 struct tulip_softc *sc; 2369 { 2370 struct ethercom *ec = &sc->sc_ethercom; 2371 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2372 struct ether_multi *enm; 2373 struct ether_multistep step; 2374 u_int32_t hash, mchash[2]; 2375 2376 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2377 sc->sc_dev.dv_xname, sc->sc_flags)); 2378 2379 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2380 2381 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2382 2383 if (ifp->if_flags & IFF_PROMISC) { 2384 sc->sc_opmode |= OPMODE_PR; 2385 goto allmulti; 2386 } 2387 2388 mchash[0] = mchash[1] = 0; 2389 2390 ETHER_FIRST_MULTI(step, ec, enm); 2391 while (enm != NULL) { 2392 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2393 /* 2394 * We must listen to a range of multicast addresses. 2395 * For now, just accept all multicasts, rather than 2396 * trying to set only those filter bits needed to match 2397 * the range. (At this time, the only use of address 2398 * ranges is for IP multicast routing, for which the 2399 * range is big enough to require all bits set.) 2400 */ 2401 goto allmulti; 2402 } 2403 2404 hash = (tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 2405 & 0x3f; 2406 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2407 ETHER_NEXT_MULTI(step, enm); 2408 } 2409 ifp->if_flags &= ~IFF_ALLMULTI; 2410 goto setit; 2411 2412 allmulti: 2413 ifp->if_flags |= IFF_ALLMULTI; 2414 mchash[0] = mchash[1] = 0xffffffff; 2415 2416 setit: 2417 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2418 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2419 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2420 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2421 sc->sc_dev.dv_xname)); 2422 } 2423 2424 /* 2425 * tlp_idle: 2426 * 2427 * Cause the transmit and/or receive processes to go idle. 2428 */ 2429 void 2430 tlp_idle(sc, bits) 2431 struct tulip_softc *sc; 2432 u_int32_t bits; 2433 { 2434 static const char *tx_state_names[] = { 2435 "STOPPED", 2436 "RUNNING - FETCH", 2437 "RUNNING - WAIT", 2438 "RUNNING - READING", 2439 "-- RESERVED --", 2440 "RUNNING - SETUP", 2441 "SUSPENDED", 2442 "RUNNING - CLOSE", 2443 }; 2444 static const char *rx_state_names[] = { 2445 "STOPPED", 2446 "RUNNING - FETCH", 2447 "RUNNING - CHECK", 2448 "RUNNING - WAIT", 2449 "SUSPENDED", 2450 "RUNNING - CLOSE", 2451 "RUNNING - FLUSH", 2452 "RUNNING - QUEUE", 2453 }; 2454 u_int32_t csr, ackmask = 0; 2455 int i; 2456 2457 if (bits & OPMODE_ST) 2458 ackmask |= STATUS_TPS; 2459 2460 if (bits & OPMODE_SR) 2461 ackmask |= STATUS_RPS; 2462 2463 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2464 2465 for (i = 0; i < 1000; i++) { 2466 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2467 break; 2468 delay(10); 2469 } 2470 2471 csr = TULIP_READ(sc, CSR_STATUS); 2472 if ((csr & ackmask) != ackmask) { 2473 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2474 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2475 printf("%s: transmit process failed to idle: " 2476 "state %s\n", sc->sc_dev.dv_xname, 2477 tx_state_names[(csr & STATUS_TS) >> 20]); 2478 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2479 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2480 printf("%s: receive process failed to idle: " 2481 "state %s\n", sc->sc_dev.dv_xname, 2482 rx_state_names[(csr & STATUS_RS) >> 17]); 2483 } 2484 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2485 } 2486 2487 /***************************************************************************** 2488 * Generic media support functions. 2489 *****************************************************************************/ 2490 2491 /* 2492 * tlp_mediastatus: [ifmedia interface function] 2493 * 2494 * Query the current media. 2495 */ 2496 void 2497 tlp_mediastatus(ifp, ifmr) 2498 struct ifnet *ifp; 2499 struct ifmediareq *ifmr; 2500 { 2501 struct tulip_softc *sc = ifp->if_softc; 2502 2503 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 2504 } 2505 2506 /* 2507 * tlp_mediachange: [ifmedia interface function] 2508 * 2509 * Update the current media. 2510 */ 2511 int 2512 tlp_mediachange(ifp) 2513 struct ifnet *ifp; 2514 { 2515 struct tulip_softc *sc = ifp->if_softc; 2516 2517 return ((*sc->sc_mediasw->tmsw_set)(sc)); 2518 } 2519 2520 /***************************************************************************** 2521 * Support functions for MII-attached media. 2522 *****************************************************************************/ 2523 2524 /* 2525 * tlp_mii_tick: 2526 * 2527 * One second timer, used to tick the MII. 2528 */ 2529 void 2530 tlp_mii_tick(arg) 2531 void *arg; 2532 { 2533 struct tulip_softc *sc = arg; 2534 int s; 2535 2536 s = splnet(); 2537 mii_tick(&sc->sc_mii); 2538 splx(s); 2539 2540 timeout(sc->sc_tick, sc, hz); 2541 } 2542 2543 /* 2544 * tlp_mii_statchg: [mii interface function] 2545 * 2546 * Callback from PHY when media changes. 2547 */ 2548 void 2549 tlp_mii_statchg(self) 2550 struct device *self; 2551 { 2552 struct tulip_softc *sc = (struct tulip_softc *)self; 2553 2554 /* Idle the transmit and receive processes. */ 2555 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2556 2557 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 2558 2559 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 2560 sc->sc_opmode |= OPMODE_TTM; 2561 else 2562 sc->sc_opmode |= OPMODE_HBD; 2563 2564 if (sc->sc_mii.mii_media_active & IFM_FDX) 2565 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 2566 2567 /* 2568 * Write new OPMODE bits. This also restarts the transmit 2569 * and receive processes. 2570 */ 2571 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2572 2573 /* XXX Update ifp->if_baudrate */ 2574 } 2575 2576 /* 2577 * tlp_winb_mii_statchg: [mii interface function] 2578 * 2579 * Callback from PHY when media changes. This version is 2580 * for the Winbond 89C840F, which has different OPMODE bits. 2581 */ 2582 void 2583 tlp_winb_mii_statchg(self) 2584 struct device *self; 2585 { 2586 struct tulip_softc *sc = (struct tulip_softc *)self; 2587 2588 /* Idle the transmit and receive processes. */ 2589 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2590 2591 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 2592 2593 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 2594 sc->sc_opmode |= OPMODE_WINB_FES; 2595 2596 if (sc->sc_mii.mii_media_active & IFM_FDX) 2597 sc->sc_opmode |= OPMODE_FD; 2598 2599 /* 2600 * Write new OPMODE bits. This also restarts the transmit 2601 * and receive processes. 2602 */ 2603 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2604 2605 /* XXX Update ifp->if_baudrate */ 2606 } 2607 2608 /* 2609 * tlp_mii_getmedia: 2610 * 2611 * Callback from ifmedia to request current media status. 2612 */ 2613 void 2614 tlp_mii_getmedia(sc, ifmr) 2615 struct tulip_softc *sc; 2616 struct ifmediareq *ifmr; 2617 { 2618 2619 mii_pollstat(&sc->sc_mii); 2620 ifmr->ifm_status = sc->sc_mii.mii_media_status; 2621 ifmr->ifm_active = sc->sc_mii.mii_media_active; 2622 } 2623 2624 /* 2625 * tlp_mii_setmedia: 2626 * 2627 * Callback from ifmedia to request new media setting. 2628 */ 2629 int 2630 tlp_mii_setmedia(sc) 2631 struct tulip_softc *sc; 2632 { 2633 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2634 2635 if (ifp->if_flags & IFF_UP) 2636 mii_mediachg(&sc->sc_mii); 2637 return (0); 2638 } 2639 2640 #define MII_EMIT(sc, x) \ 2641 do { \ 2642 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2643 delay(1); \ 2644 } while (0) 2645 2646 /* 2647 * tlp_sio_mii_sync: 2648 * 2649 * Synchronize the SIO-attached MII. 2650 */ 2651 void 2652 tlp_sio_mii_sync(sc) 2653 struct tulip_softc *sc; 2654 { 2655 u_int32_t miirom; 2656 int i; 2657 2658 miirom = MIIROM_MDO; 2659 2660 MII_EMIT(sc, miirom); 2661 for (i = 0; i < 32; i++) { 2662 MII_EMIT(sc, miirom | MIIROM_MDC); 2663 MII_EMIT(sc, miirom); 2664 } 2665 } 2666 2667 /* 2668 * tlp_sio_mii_sendbits: 2669 * 2670 * Send a series of bits out the SIO to the MII. 2671 */ 2672 void 2673 tlp_sio_mii_sendbits(sc, data, nbits) 2674 struct tulip_softc *sc; 2675 u_int32_t data; 2676 int nbits; 2677 { 2678 u_int32_t miirom, i; 2679 2680 miirom = 0; 2681 MII_EMIT(sc, miirom); 2682 2683 for (i = 1 << (nbits - 1); i != 0; i >>= 1) { 2684 if (data & i) 2685 miirom |= MIIROM_MDO; 2686 else 2687 miirom &= ~MIIROM_MDO; 2688 MII_EMIT(sc, miirom); 2689 MII_EMIT(sc, miirom|MIIROM_MDC); 2690 MII_EMIT(sc, miirom); 2691 } 2692 } 2693 2694 /* 2695 * tlp_sio_mii_readreg: 2696 * 2697 * Read a PHY register via SIO-attached MII. 2698 */ 2699 int 2700 tlp_sio_mii_readreg(self, phy, reg) 2701 struct device *self; 2702 int phy, reg; 2703 { 2704 struct tulip_softc *sc = (void *) self; 2705 int val = 0, err = 0, i; 2706 2707 tlp_sio_mii_sync(sc); 2708 2709 tlp_sio_mii_sendbits(sc, MII_COMMAND_START, 2); 2710 tlp_sio_mii_sendbits(sc, MII_COMMAND_READ, 2); 2711 tlp_sio_mii_sendbits(sc, phy, 5); 2712 tlp_sio_mii_sendbits(sc, reg, 5); 2713 2714 /* Switch direction to PHY->host, without a clock transition. */ 2715 MII_EMIT(sc, MIIROM_MIIDIR); 2716 2717 MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC); 2718 MII_EMIT(sc, MIIROM_MIIDIR); 2719 2720 err = TULIP_ISSET(sc, CSR_MIIROM, MIIROM_MDI); 2721 2722 MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC); 2723 MII_EMIT(sc, MIIROM_MIIDIR); 2724 2725 for (i = 0; i < 16; i++) { 2726 val <<= 1; 2727 /* Read data prior to clock low-high transition. */ 2728 if (err == 0 && TULIP_ISSET(sc, CSR_MIIROM, MIIROM_MDI)) 2729 val |= 1; 2730 2731 MII_EMIT(sc, MIIROM_MIIDIR|MIIROM_MDC); 2732 MII_EMIT(sc, MIIROM_MIIDIR); 2733 } 2734 2735 /* Set direction to host->PHY, without a clock transition. */ 2736 MII_EMIT(sc, 0); 2737 2738 return (err ? 0 : val); 2739 } 2740 2741 /* 2742 * tlp_sio_mii_writereg: 2743 * 2744 * Write a PHY register via SIO-attached MII. 2745 */ 2746 void 2747 tlp_sio_mii_writereg(self, phy, reg, val) 2748 struct device *self; 2749 int phy, reg, val; 2750 { 2751 struct tulip_softc *sc = (void *) self; 2752 2753 tlp_sio_mii_sync(sc); 2754 2755 tlp_sio_mii_sendbits(sc, MII_COMMAND_START, 2); 2756 tlp_sio_mii_sendbits(sc, MII_COMMAND_WRITE, 2); 2757 tlp_sio_mii_sendbits(sc, phy, 5); 2758 tlp_sio_mii_sendbits(sc, reg, 5); 2759 tlp_sio_mii_sendbits(sc, MII_COMMAND_ACK, 2); 2760 tlp_sio_mii_sendbits(sc, val, 16); 2761 2762 MII_EMIT(sc, 0); 2763 } 2764 2765 #undef MII_EMIT 2766 2767 /* 2768 * tlp_pnic_mii_readreg: 2769 * 2770 * Read a PHY register on the Lite-On PNIC. 2771 */ 2772 int 2773 tlp_pnic_mii_readreg(self, phy, reg) 2774 struct device *self; 2775 int phy, reg; 2776 { 2777 struct tulip_softc *sc = (void *) self; 2778 u_int32_t val; 2779 int i; 2780 2781 TULIP_WRITE(sc, CSR_PNIC_MII, 2782 PNIC_MII_MBO | PNIC_MII_RESERVED | 2783 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 2784 (reg << PNIC_MII_REGSHIFT)); 2785 2786 for (i = 0; i < 1000; i++) { 2787 delay(10); 2788 val = TULIP_READ(sc, CSR_PNIC_MII); 2789 if ((val & PNIC_MII_BUSY) == 0) { 2790 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 2791 return (0); 2792 else 2793 return (val & PNIC_MII_DATA); 2794 } 2795 } 2796 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 2797 return (0); 2798 } 2799 2800 /* 2801 * tlp_pnic_mii_writereg: 2802 * 2803 * Write a PHY register on the Lite-On PNIC. 2804 */ 2805 void 2806 tlp_pnic_mii_writereg(self, phy, reg, val) 2807 struct device *self; 2808 int phy, reg, val; 2809 { 2810 struct tulip_softc *sc = (void *) self; 2811 int i; 2812 2813 TULIP_WRITE(sc, CSR_PNIC_MII, 2814 PNIC_MII_MBO | PNIC_MII_RESERVED | 2815 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 2816 (reg << PNIC_MII_REGSHIFT) | val); 2817 2818 for (i = 0; i < 1000; i++) { 2819 delay(10); 2820 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 2821 return; 2822 } 2823 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 2824 } 2825 2826 bus_addr_t tlp_al981_phy_regmap[] = { 2827 CSR_ADM_BMCR, 2828 CSR_ADM_BMSR, 2829 CSR_ADM_PHYIDR1, 2830 CSR_ADM_PHYIDR2, 2831 CSR_ADM_ANAR, 2832 CSR_ADM_ANLPAR, 2833 CSR_ADM_ANER, 2834 2835 CSR_ADM_XMC, 2836 CSR_ADM_XCIIS, 2837 CSR_ADM_XIE, 2838 CSR_ADM_100CTR, 2839 }; 2840 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 2841 sizeof(tlp_al981_phy_regmap[0]); 2842 2843 /* 2844 * tlp_al981_mii_readreg: 2845 * 2846 * Read a PHY register on the ADMtek AL981. 2847 */ 2848 int 2849 tlp_al981_mii_readreg(self, phy, reg) 2850 struct device *self; 2851 int phy, reg; 2852 { 2853 struct tulip_softc *sc = (struct tulip_softc *)self; 2854 2855 /* AL981 only has an internal PHY. */ 2856 if (phy != 0) 2857 return (0); 2858 2859 if (reg >= tlp_al981_phy_regmap_size) 2860 return (0); 2861 2862 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 2863 tlp_al981_phy_regmap[reg]) & 0xffff); 2864 } 2865 2866 /* 2867 * tlp_al981_mii_writereg: 2868 * 2869 * Write a PHY register on the ADMtek AL981. 2870 */ 2871 void 2872 tlp_al981_mii_writereg(self, phy, reg, val) 2873 struct device *self; 2874 int phy, reg, val; 2875 { 2876 struct tulip_softc *sc = (struct tulip_softc *)self; 2877 2878 /* AL981 only has an internal PHY. */ 2879 if (phy != 0) 2880 return; 2881 2882 if (reg >= tlp_al981_phy_regmap_size) 2883 return; 2884 2885 bus_space_write_4(sc->sc_st, sc->sc_sh, 2886 tlp_al981_phy_regmap[reg], val); 2887 } 2888 2889 /***************************************************************************** 2890 * Chip-specific pre-init and reset functions. 2891 *****************************************************************************/ 2892 2893 /* 2894 * tlp_2114x_preinit: 2895 * 2896 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 2897 */ 2898 void 2899 tlp_2114x_preinit(sc) 2900 struct tulip_softc *sc; 2901 { 2902 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 2903 struct tulip_2114x_media *tm = ife->ifm_aux; 2904 2905 /* 2906 * Always set the Must-Be-One bit. 2907 */ 2908 sc->sc_opmode |= OPMODE_MBO; 2909 2910 /* 2911 * If `tm' is NULL, we must be doing pure MII-over-SIO. 2912 */ 2913 if (tm == NULL || 2914 (tm->tm_type == TULIP_ROM_MB_21140_MII || 2915 tm->tm_type == TULIP_ROM_MB_21142_MII)) { 2916 /* 2917 * MII case: just set the port-select bit; we will never 2918 * be called during a media change. 2919 */ 2920 sc->sc_opmode |= OPMODE_PS; 2921 goto set_opmode; 2922 } 2923 2924 /* 2925 * ENDEC/PCS mode; set according to selected media type. 2926 * XXX Auto-sense not supported yet. 2927 */ 2928 sc->sc_opmode |= tm->tm_opmode; 2929 2930 set_opmode: 2931 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2932 } 2933 2934 /* 2935 * tlp_pnic_preinit: 2936 * 2937 * Pre-init function for the Lite-On 82c168 and 82c169. 2938 */ 2939 void 2940 tlp_pnic_preinit(sc) 2941 struct tulip_softc *sc; 2942 { 2943 2944 if (sc->sc_flags & TULIPF_HAS_MII) { 2945 /* 2946 * MII case: just set the port-select bit; we will never 2947 * be called during a media change. 2948 */ 2949 sc->sc_opmode |= OPMODE_PS; 2950 } else { 2951 /* 2952 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 2953 */ 2954 sc->sc_opmode |= OPMODE_PNIC_TBEN; 2955 } 2956 } 2957 2958 /* 2959 * tlp_21140_reset: 2960 * 2961 * Issue a reset sequence on the 21140 via the GPIO facility. 2962 */ 2963 void 2964 tlp_21140_reset(sc) 2965 struct tulip_softc *sc; 2966 { 2967 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 2968 struct tulip_2114x_media *tm = ife->ifm_aux; 2969 int i; 2970 2971 /* First, set the direction on the GPIO pins. */ 2972 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 2973 2974 /* Now, issue the reset sequence. */ 2975 for (i = 0; i < tm->tm_reset_length; i++) { 2976 delay(10); 2977 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 2978 } 2979 2980 /* Now, issue the selection sequence. */ 2981 for (i = 0; i < tm->tm_gp_length; i++) { 2982 delay(10); 2983 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 2984 } 2985 2986 /* If there were no sequences, just lower the pins. */ 2987 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 2988 TULIP_WRITE(sc, CSR_GPP, 0); 2989 } 2990 2991 /***************************************************************************** 2992 * Chip/board-specific media switches. The ones here are ones that 2993 * are potentially common to multiple front-ends. 2994 *****************************************************************************/ 2995 2996 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 2997 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 2998 "10baseT", SIACONN_21041_10BASET, 2999 SIATXRX_21041_10BASET, SIAGEN_21041_10BASET }, 3000 3001 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3002 "10base2", SIACONN_21041_BNC, 3003 SIATXRX_21041_BNC, SIAGEN_21041_BNC }, 3004 3005 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3006 "10base5", SIACONN_21041_AUI, 3007 SIATXRX_21041_AUI, SIAGEN_21041_AUI }, 3008 3009 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3010 "100baseTX", 0, 3011 0, 0 }, 3012 3013 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3014 "10baseT-FDX", SIACONN_21041_10BASET_FDX, 3015 SIATXRX_21041_10BASET_FDX, SIAGEN_21041_10BASET_FDX }, 3016 3017 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3018 "100baseTX-FDX", 0, 3019 0, 0 }, 3020 3021 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3022 "100baseT4", 0, 3023 0, 0 }, 3024 3025 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3026 "100baseFX", 0, 3027 0, 0 }, 3028 3029 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3030 "100baseFX-FDX", 0, 3031 0, 0 }, 3032 3033 { 0, 0, 0, 3034 NULL, 0, 3035 0, 0 }, 3036 }; 3037 3038 const struct tulip_srom_to_ifmedia *tulip_srom_to_ifmedia __P((u_int8_t)); 3039 3040 const struct tulip_srom_to_ifmedia * 3041 tulip_srom_to_ifmedia(sm) 3042 u_int8_t sm; 3043 { 3044 const struct tulip_srom_to_ifmedia *tsti; 3045 3046 for (tsti = tulip_srom_to_ifmedia_table; 3047 tsti->tsti_name != NULL; tsti++) { 3048 if (tsti->tsti_srom == sm) 3049 return (tsti); 3050 } 3051 3052 return (NULL); 3053 } 3054 3055 /* 3056 * 21040 and 21041 media switches. 3057 */ 3058 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 3059 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 3060 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 3061 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 3062 void tlp_21040_21041_tmsw_get __P((struct tulip_softc *, 3063 struct ifmediareq *)); 3064 int tlp_21040_21041_tmsw_set __P((struct tulip_softc *)); 3065 3066 const struct tulip_mediasw tlp_21040_mediasw = { 3067 tlp_21040_tmsw_init, tlp_21040_21041_tmsw_get, tlp_21040_21041_tmsw_set 3068 }; 3069 3070 const struct tulip_mediasw tlp_21040_tp_mediasw = { 3071 tlp_21040_tp_tmsw_init, tlp_21040_21041_tmsw_get, 3072 tlp_21040_21041_tmsw_set 3073 }; 3074 3075 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 3076 tlp_21040_auibnc_tmsw_init, tlp_21040_21041_tmsw_get, 3077 tlp_21040_21041_tmsw_set 3078 }; 3079 3080 const struct tulip_mediasw tlp_21041_mediasw = { 3081 tlp_21041_tmsw_init, tlp_21040_21041_tmsw_get, tlp_21040_21041_tmsw_set 3082 }; 3083 3084 #define ADD(m, t) ifmedia_add(&sc->sc_mii.mii_media, (m), 0, (t)) 3085 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3086 3087 void 3088 tlp_21040_tmsw_init(sc) 3089 struct tulip_softc *sc; 3090 { 3091 struct tulip_21040_21041_sia_media *tsm; 3092 const char *sep = ""; 3093 3094 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3095 tlp_mediastatus); 3096 3097 printf("%s: ", sc->sc_dev.dv_xname); 3098 3099 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3100 M_WAITOK); 3101 tsm->tsm_siaconn = SIACONN_21040_10BASET; 3102 tsm->tsm_siatxrx = SIATXRX_21040_10BASET; 3103 tsm->tsm_siagen = SIAGEN_21040_10BASET; 3104 ADD(IFM_ETHER|IFM_10_T, tsm); 3105 PRINT("10baseT"); 3106 3107 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3108 M_WAITOK); 3109 tsm->tsm_siaconn = SIACONN_21040_10BASET_FDX; 3110 tsm->tsm_siatxrx = SIATXRX_21040_10BASET_FDX; 3111 tsm->tsm_siagen = SIAGEN_21040_10BASET_FDX; 3112 ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm); 3113 PRINT("10baseT-FDX"); 3114 3115 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3116 M_WAITOK); 3117 tsm->tsm_siaconn = SIACONN_21040_AUI; 3118 tsm->tsm_siatxrx = SIATXRX_21040_AUI; 3119 tsm->tsm_siagen = SIAGEN_21040_AUI; 3120 ADD(IFM_ETHER|IFM_10_5, tsm); 3121 PRINT("10base5"); 3122 3123 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3124 M_WAITOK); 3125 tsm->tsm_siaconn = SIACONN_21040_EXTSIA; 3126 tsm->tsm_siatxrx = SIATXRX_21040_EXTSIA; 3127 tsm->tsm_siagen = SIAGEN_21040_EXTSIA; 3128 ADD(IFM_ETHER|IFM_MANUAL, tsm); 3129 PRINT("manual"); 3130 3131 /* 3132 * XXX Autosense not yet supported. 3133 */ 3134 3135 /* XXX This should be auto-sense. */ 3136 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 3137 printf(", default 10baseT"); 3138 3139 printf("\n"); 3140 } 3141 3142 void 3143 tlp_21040_tp_tmsw_init(sc) 3144 struct tulip_softc *sc; 3145 { 3146 struct tulip_21040_21041_sia_media *tsm; 3147 const char *sep = ""; 3148 3149 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3150 tlp_mediastatus); 3151 3152 printf("%s: ", sc->sc_dev.dv_xname); 3153 3154 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3155 M_WAITOK); 3156 tsm->tsm_siaconn = SIACONN_21040_10BASET; 3157 tsm->tsm_siatxrx = SIATXRX_21040_10BASET; 3158 tsm->tsm_siagen = SIAGEN_21040_10BASET; 3159 ADD(IFM_ETHER|IFM_10_T, tsm); 3160 PRINT("10baseT"); 3161 3162 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3163 M_WAITOK); 3164 tsm->tsm_siaconn = SIACONN_21040_10BASET_FDX; 3165 tsm->tsm_siatxrx = SIATXRX_21040_10BASET_FDX; 3166 tsm->tsm_siagen = SIAGEN_21040_10BASET_FDX; 3167 ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm); 3168 PRINT("10baseT-FDX"); 3169 3170 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 3171 printf(", default 10baseT"); 3172 3173 printf("\n"); 3174 } 3175 3176 void 3177 tlp_21040_auibnc_tmsw_init(sc) 3178 struct tulip_softc *sc; 3179 { 3180 struct tulip_21040_21041_sia_media *tsm; 3181 const char *sep = ""; 3182 3183 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3184 tlp_mediastatus); 3185 3186 printf("%s: ", sc->sc_dev.dv_xname); 3187 3188 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3189 M_WAITOK); 3190 tsm->tsm_siaconn = SIACONN_21040_AUI; 3191 tsm->tsm_siatxrx = SIATXRX_21040_AUI; 3192 tsm->tsm_siagen = SIAGEN_21040_AUI; 3193 ADD(IFM_ETHER|IFM_10_5, tsm); 3194 PRINT("10base5"); 3195 3196 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 3197 3198 printf("\n"); 3199 } 3200 3201 void 3202 tlp_21041_tmsw_init(sc) 3203 struct tulip_softc *sc; 3204 { 3205 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 3206 const struct tulip_srom_to_ifmedia *tsti; 3207 struct tulip_21040_21041_sia_media *tsm; 3208 const char *sep = "", *defstr; 3209 u_int16_t romdef; 3210 u_int8_t mb; 3211 3212 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3213 tlp_mediastatus); 3214 3215 printf("%s: ", sc->sc_dev.dv_xname); 3216 3217 if (tlp_isv_srom(sc->sc_srom) == 0) 3218 goto not_isv_srom; 3219 3220 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 3221 for (i = 0; i < devcnt; i++) { 3222 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 3223 break; 3224 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 3225 sc->sc_devno) 3226 break; 3227 } 3228 3229 if (i == devcnt) 3230 goto not_isv_srom; 3231 3232 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 3233 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 3234 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 3235 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 3236 3237 for (; m_cnt != 0; 3238 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 3239 mb = sc->sc_srom[mb_offset]; 3240 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), 3241 M_DEVBUF, M_WAITOK); 3242 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 3243 case TULIP_ROM_MB_MEDIA_TP: 3244 case TULIP_ROM_MB_MEDIA_BNC: 3245 case TULIP_ROM_MB_MEDIA_AUI: 3246 case TULIP_ROM_MB_MEDIA_TP_FDX: 3247 tsti = tulip_srom_to_ifmedia(mb & 3248 TULIP_ROM_MB_MEDIA_CODE); 3249 3250 tsm->tsm_siaconn = (mb & TULIP_ROM_MB_EXT) ? 3251 TULIP_ROM_GETW(sc->sc_srom, 3252 mb_offset + TULIP_ROM_MB_CSR13) : 3253 tsti->tsti_21041_siaconn; 3254 tsm->tsm_siatxrx = (mb & TULIP_ROM_MB_EXT) ? 3255 TULIP_ROM_GETW(sc->sc_srom, 3256 mb_offset + TULIP_ROM_MB_CSR14) : 3257 tsti->tsti_21041_siatxrx; 3258 tsm->tsm_siagen = (mb & TULIP_ROM_MB_EXT) ? 3259 TULIP_ROM_GETW(sc->sc_srom, 3260 mb_offset + TULIP_ROM_MB_CSR15) : 3261 tsti->tsti_21041_siagen; 3262 3263 ifmedia_add(&sc->sc_mii.mii_media, 3264 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3265 tsti->tsti_options, 0), 0, tsm); 3266 PRINT(tsti->tsti_name); 3267 break; 3268 3269 default: 3270 printf("%s<unknown 0x%02x>", sep, 3271 (mb & TULIP_ROM_MB_MEDIA_CODE)); 3272 sep = ", "; 3273 free(tsm, M_DEVBUF); 3274 } 3275 } 3276 3277 /* 3278 * XXX Autosense not yet supported. 3279 */ 3280 3281 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 3282 TULIP_ROM_IL_SELECT_CONN_TYPE); 3283 switch (romdef) { 3284 case SELECT_CONN_TYPE_TP: 3285 case SELECT_CONN_TYPE_TP_AUTONEG: 3286 case SELECT_CONN_TYPE_TP_NOLINKPASS: 3287 defmedia = IFM_ETHER|IFM_10_T; 3288 defstr = "10baseT"; 3289 break; 3290 3291 case SELECT_CONN_TYPE_TP_FDX: 3292 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 3293 defstr = "10baseT-FDX"; 3294 break; 3295 3296 case SELECT_CONN_TYPE_BNC: 3297 defmedia = IFM_ETHER|IFM_10_2; 3298 defstr = "10base2"; 3299 break; 3300 3301 case SELECT_CONN_TYPE_AUI: 3302 defmedia = IFM_ETHER|IFM_10_5; 3303 defstr = "10base5"; 3304 break; 3305 #if 0 /* XXX */ 3306 case SELECT_CONN_TYPE_ASENSE: 3307 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 3308 defmedia = IFM_ETHER|IFM_AUTO; 3309 defstr = "auto"; 3310 break; 3311 #endif 3312 default: 3313 defmedia = 0; 3314 defstr = NULL; 3315 } 3316 3317 if (defmedia != 0) 3318 printf(", default %s\n", defstr); 3319 else { 3320 /* 3321 * XXX We should default to auto-sense. 3322 */ 3323 defmedia = IFM_ETHER|IFM_10_T; 3324 defstr = "10baseT"; 3325 3326 printf("\n%s: unknown default media in SROM (0x%04x), " 3327 "using %s\n", sc->sc_dev.dv_xname, romdef, defstr); 3328 } 3329 3330 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 3331 return; 3332 3333 not_isv_srom: 3334 /* 3335 * If we have a board without the standard 21041 SROM format, 3336 * we just assume all media are present and try and pick a 3337 * reasonable default. 3338 */ 3339 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3340 M_WAITOK); 3341 tsm->tsm_siaconn = SIACONN_21041_10BASET; 3342 tsm->tsm_siatxrx = SIATXRX_21041_10BASET; 3343 tsm->tsm_siagen = SIAGEN_21041_10BASET; 3344 ADD(IFM_ETHER|IFM_10_T, tsm); 3345 PRINT("10baseT"); 3346 3347 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3348 M_WAITOK); 3349 tsm->tsm_siaconn = SIACONN_21041_10BASET_FDX; 3350 tsm->tsm_siatxrx = SIATXRX_21041_10BASET_FDX; 3351 tsm->tsm_siagen = SIAGEN_21041_10BASET_FDX; 3352 ADD(IFM_ETHER|IFM_10_T|IFM_FDX, tsm); 3353 PRINT("10baseT-FDX"); 3354 3355 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3356 M_WAITOK); 3357 tsm->tsm_siaconn = SIACONN_21041_BNC; 3358 tsm->tsm_siatxrx = SIATXRX_21041_BNC; 3359 tsm->tsm_siagen = SIAGEN_21041_BNC; 3360 ADD(IFM_ETHER|IFM_10_2|IFM_FDX, tsm); 3361 PRINT("10base2"); 3362 3363 tsm = malloc(sizeof(struct tulip_21040_21041_sia_media), M_DEVBUF, 3364 M_WAITOK); 3365 tsm->tsm_siaconn = SIACONN_21041_AUI; 3366 tsm->tsm_siatxrx = SIATXRX_21041_AUI; 3367 tsm->tsm_siagen = SIAGEN_21041_AUI; 3368 ADD(IFM_ETHER|IFM_10_5|IFM_FDX, tsm); 3369 PRINT("10base5"); 3370 3371 /* 3372 * XXX Autosense not yet supported. 3373 */ 3374 3375 /* XXX This should be auto-sense. */ 3376 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 3377 printf(", default 10baseT"); 3378 3379 printf("\n"); 3380 } 3381 3382 #undef ADD 3383 #undef PRINT 3384 3385 void 3386 tlp_21040_21041_tmsw_get(sc, ifmr) 3387 struct tulip_softc *sc; 3388 struct ifmediareq *ifmr; 3389 { 3390 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3391 3392 ifmr->ifm_status = 0; 3393 3394 switch (IFM_SUBTYPE(ife->ifm_media)) { 3395 case IFM_AUTO: 3396 /* 3397 * XXX Implement autosensing case. 3398 */ 3399 break; 3400 3401 case IFM_10_T: 3402 /* 3403 * We're able to detect link directly on twisted pair. 3404 */ 3405 ifmr->ifm_status = IFM_AVALID; 3406 if (TULIP_ISSET(sc, CSR_SIASTAT, SIASTAT_LKF) == 0) 3407 ifmr->ifm_status |= IFM_ACTIVE; 3408 /* FALLTHROUGH */ 3409 default: 3410 /* 3411 * If not autosensing, active media is the currently 3412 * selected media. 3413 */ 3414 ifmr->ifm_active = ife->ifm_media; 3415 } 3416 } 3417 3418 int 3419 tlp_21040_21041_tmsw_set(sc) 3420 struct tulip_softc *sc; 3421 { 3422 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3423 struct tulip_21040_21041_sia_media *tsm; 3424 3425 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) { 3426 /* 3427 * If not autosensing, just pull the SIA settings out 3428 * of the media entry. 3429 */ 3430 tsm = ife->ifm_aux; 3431 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 3432 TULIP_WRITE(sc, CSR_SIATXRX, tsm->tsm_siatxrx); 3433 TULIP_WRITE(sc, CSR_SIAGEN, tsm->tsm_siagen); 3434 TULIP_WRITE(sc, CSR_SIACONN, tsm->tsm_siaconn); 3435 3436 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3437 sc->sc_opmode &= ~OPMODE_FD; 3438 if (ife->ifm_media & IFM_FDX) 3439 sc->sc_opmode |= OPMODE_FD; 3440 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3441 } else { 3442 /* 3443 * XXX Implement autosensing case. 3444 */ 3445 } 3446 3447 return (0); 3448 } 3449 3450 /* 3451 * DECchip 2114x ISV media switch. 3452 * XXX Currently only handles 21140[A] GPR and MII. 3453 */ 3454 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 3455 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 3456 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 3457 3458 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 3459 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 3460 }; 3461 3462 void tlp_21140_gpr_getmedia __P((struct tulip_softc *sc, 3463 struct ifmediareq *ifmr)); 3464 int tlp_21140_gpr_setmedia __P((struct tulip_softc *sc)); 3465 3466 void 3467 tlp_2114x_isv_tmsw_init(sc) 3468 struct tulip_softc *sc; 3469 { 3470 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3471 struct ifmedia_entry *ife; 3472 struct mii_softc *phy; 3473 struct tulip_2114x_media *tm; 3474 const struct tulip_srom_to_ifmedia *tsti; 3475 int i, devcnt, leaf_offset, m_cnt, type, length, seen, defmedia, minst; 3476 u_int16_t word; 3477 u_int8_t *cp, *ncp; 3478 3479 seen = defmedia = 0; 3480 3481 sc->sc_mii.mii_ifp = ifp; 3482 sc->sc_mii.mii_readreg = tlp_sio_mii_readreg; 3483 sc->sc_mii.mii_writereg = tlp_sio_mii_writereg; 3484 sc->sc_mii.mii_statchg = sc->sc_statchg; 3485 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3486 tlp_mediastatus); 3487 3488 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 3489 for (i = 0; i < devcnt; i++) { 3490 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 3491 break; 3492 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 3493 sc->sc_devno) 3494 break; 3495 } 3496 3497 if (i == devcnt) { 3498 printf("%s: unable to locate info leaf in SROM\n", 3499 sc->sc_dev.dv_xname); 3500 return; 3501 } 3502 3503 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 3504 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 3505 3506 /* XXX SELECT CONN TYPE */ 3507 3508 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 3509 3510 /* 3511 * On some chips, the first thing in the Info Leaf is the 3512 * GPIO pin direction data. 3513 */ 3514 switch (sc->sc_chip) { 3515 case TULIP_CHIP_21140: 3516 case TULIP_CHIP_21140A: 3517 case TULIP_CHIP_MX98713: 3518 case TULIP_CHIP_AX88140: 3519 case TULIP_CHIP_AX88141: 3520 sc->sc_gp_dir = *cp++; 3521 break; 3522 3523 default: 3524 /* Nothing. */ 3525 } 3526 3527 /* Get the media count. */ 3528 m_cnt = *cp++; 3529 3530 for (; m_cnt != 0; cp = ncp, m_cnt--) { 3531 /* 3532 * Determine the type and length of this media block. 3533 */ 3534 if ((*cp & 0x80) == 0) { 3535 length = 4; 3536 type = TULIP_ROM_MB_21140_GPR; 3537 } else { 3538 length = (*cp++ & 0x7f) - 1; 3539 type = *cp++ & 0x3f; 3540 } 3541 3542 /* Compute the start of the next block. */ 3543 ncp = cp + length; 3544 3545 /* Now, parse the block. */ 3546 switch (type) { 3547 case TULIP_ROM_MB_21140_GPR: 3548 seen |= 1 << TULIP_ROM_MB_21140_GPR; 3549 3550 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3551 memset(tm, 0, sizeof(*tm)); 3552 3553 tm->tm_type = TULIP_ROM_MB_21140_GPR; 3554 tm->tm_get = tlp_21140_gpr_getmedia; 3555 tm->tm_set = tlp_21140_gpr_setmedia; 3556 3557 minst = 0; /* XXX compute new instance */ 3558 3559 /* First is the media type code. */ 3560 tsti = tulip_srom_to_ifmedia(cp[0] & 3561 TULIP_ROM_MB_MEDIA_CODE); 3562 if (tsti == NULL) { 3563 /* Invalid media code. */ 3564 free(tm, M_DEVBUF); 3565 break; 3566 } 3567 tm->tm_name = tsti->tsti_name; 3568 3569 /* Next is any GPIO info for this media. */ 3570 tm->tm_gpdata = cp[1]; 3571 3572 /* 3573 * Next is a word containing OPMODE information 3574 * and info on how to detect if this media is 3575 * active. 3576 */ 3577 word = TULIP_ROM_GETW(cp, 2); 3578 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 3579 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 3580 tm->tm_actmask = 3581 TULIP_ROM_MB_BITPOS(word); 3582 tm->tm_actdata = 3583 (word & TULIP_ROM_MB_POLARITY) ? 3584 0 : tm->tm_actmask; 3585 } 3586 3587 /* 3588 * Now, add the media to our list. We will 3589 * print them out later. 3590 */ 3591 ifmedia_add(&sc->sc_mii.mii_media, 3592 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3593 tsti->tsti_options, minst), 0, tm); 3594 break; 3595 3596 case TULIP_ROM_MB_21140_MII: 3597 seen |= 1 << TULIP_ROM_MB_21140_MII; 3598 3599 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3600 memset(tm, 0, sizeof(*tm)); 3601 3602 tm->tm_type = TULIP_ROM_MB_21140_MII; 3603 tm->tm_get = tlp_mii_getmedia; 3604 tm->tm_set = tlp_mii_setmedia; 3605 3606 if (sc->sc_reset == NULL) 3607 sc->sc_reset = tlp_21140_reset; 3608 3609 /* First is the PHY number. */ 3610 tm->tm_phyno = *cp++; 3611 3612 /* Next is the MII select sequence length and offset. */ 3613 tm->tm_gp_length = *cp++; 3614 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 3615 cp += tm->tm_gp_length; 3616 3617 /* Next is the MII reset sequence length and offset. */ 3618 tm->tm_reset_length = *cp++; 3619 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 3620 cp += tm->tm_reset_length; 3621 3622 /* 3623 * The following items are left in the media block 3624 * that we don't particularly care about: 3625 * 3626 * capabilities W 3627 * advertisement W 3628 * full duplex W 3629 * tx threshold W 3630 * 3631 * These appear to be bits in the PHY registers, 3632 * which our MII code handles on its own. 3633 */ 3634 3635 /* 3636 * Before we probe the MII bus, we need to reset 3637 * it and issue the selection sequence. 3638 */ 3639 3640 /* Set the direction of the pins... */ 3641 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3642 3643 for (i = 0; i < tm->tm_reset_length; i++) { 3644 delay(10); 3645 TULIP_WRITE(sc, CSR_GPP, 3646 sc->sc_srom[tm->tm_reset_offset + i]); 3647 } 3648 3649 for (i = 0; i < tm->tm_gp_length; i++) { 3650 delay(10); 3651 TULIP_WRITE(sc, CSR_GPP, 3652 sc->sc_srom[tm->tm_gp_offset + i]); 3653 } 3654 3655 /* If there were no sequences, just lower the pins. */ 3656 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3657 delay(10); 3658 TULIP_WRITE(sc, CSR_GPP, 0); 3659 } 3660 3661 /* 3662 * Now, probe the MII for the PHY. Note, we know 3663 * the location of the PHY on the bus, but we don't 3664 * particularly care; the MII code just likes to 3665 * search the whole thing anyhow. 3666 */ 3667 mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff); 3668 3669 /* 3670 * Now, search for the PHY we hopefully just 3671 * configured. If it's not configured into the 3672 * kernel, we lose. The PHY's default media always 3673 * takes priority. 3674 */ 3675 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 3676 phy != NULL; 3677 phy = LIST_NEXT(phy, mii_list)) 3678 if (phy->mii_offset == tm->tm_phyno) 3679 break; 3680 if (phy == NULL) { 3681 printf("%s: unable to configure MII\n", 3682 sc->sc_dev.dv_xname); 3683 break; 3684 } 3685 3686 sc->sc_flags |= TULIPF_HAS_MII; 3687 sc->sc_tick = tlp_mii_tick; 3688 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 3689 phy->mii_inst); 3690 3691 /* 3692 * Okay, now that we've found the PHY and the MII 3693 * layer has added all of the media associated 3694 * with that PHY, we need to traverse the media 3695 * list, and add our `tm' to each entry's `aux' 3696 * pointer. 3697 * 3698 * We do this by looking for media with our 3699 * PHY's `instance'. 3700 */ 3701 for (ife = LIST_FIRST(&sc->sc_mii.mii_media.ifm_list); 3702 ife != NULL; 3703 ife = LIST_NEXT(ife, ifm_list)) { 3704 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 3705 continue; 3706 ife->ifm_aux = tm; 3707 } 3708 break; 3709 3710 case TULIP_ROM_MB_21142_SIA: 3711 printf("%s: 21142 SIA block\n", sc->sc_dev.dv_xname); 3712 break; 3713 3714 case TULIP_ROM_MB_21142_MII: 3715 printf("%s: 21142 MII block\n", sc->sc_dev.dv_xname); 3716 break; 3717 3718 case TULIP_ROM_MB_21143_SYM: 3719 printf("%s: 21143 SYM block\n", sc->sc_dev.dv_xname); 3720 break; 3721 3722 case TULIP_ROM_MB_21143_RESET: 3723 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 3724 break; 3725 3726 default: 3727 printf("%s: unknown ISV media block type 0x%02x\n", 3728 sc->sc_dev.dv_xname, type); 3729 } 3730 } 3731 3732 /* 3733 * Deal with the case where no media is configured. 3734 */ 3735 if (LIST_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 3736 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 3737 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 3738 defmedia = IFM_ETHER|IFM_NONE; 3739 goto set_default; 3740 } 3741 3742 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3743 3744 /* 3745 * Display any non-MII media we've located. 3746 */ 3747 if (seen & (1 << TULIP_ROM_MB_21140_GPR)) { 3748 const char *sep = ""; 3749 printf("%s: GPR media: ", sc->sc_dev.dv_xname); 3750 for (ife = LIST_FIRST(&sc->sc_mii.mii_media.ifm_list); 3751 ife != NULL; 3752 ife = LIST_NEXT(ife, ifm_list)) { 3753 minst = IFM_INST(ife->ifm_media); 3754 tm = ife->ifm_aux; 3755 if (tm->tm_type != TULIP_ROM_MB_21140_GPR) 3756 continue; 3757 PRINT(tm->tm_name); 3758 } 3759 3760 /* 3761 * XXX Pick a better default. Should come 3762 * XXX from SROM on 21140[A], and should 3763 * XXX be "auto" on Macronix chips (which 3764 * XXX have an internal NWay block). 3765 */ 3766 if (defmedia == 0) { 3767 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 3768 minst); 3769 printf(", default 10baseT"); 3770 } 3771 printf("\n"); 3772 } 3773 3774 if (seen & (1 << TULIP_ROM_MB_21142_SIA)) { 3775 printf("%s: SIA media: ", sc->sc_dev.dv_xname); 3776 /* XXX */ 3777 printf("\n"); 3778 } 3779 3780 if (seen & (1 << TULIP_ROM_MB_21143_SYM)) { 3781 printf("%s: SYM media: ", sc->sc_dev.dv_xname); 3782 /* XXX */ 3783 printf("\n"); 3784 } 3785 3786 /* 3787 * XXX Display default media if not MII. 3788 */ 3789 3790 #undef PRINT 3791 3792 set_default: 3793 /* 3794 * Set the default media. 3795 * 3796 * XXX Should make some attempt to care about the SROM default 3797 * setting, but we don't. 3798 */ 3799 #ifdef DIAGNOSTIC 3800 if (defmedia == 0) 3801 panic("tlp_2114x_isv_tmsw_init: no default media"); 3802 #endif 3803 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 3804 } 3805 3806 void 3807 tlp_2114x_isv_tmsw_get(sc, ifmr) 3808 struct tulip_softc *sc; 3809 struct ifmediareq *ifmr; 3810 { 3811 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3812 struct tulip_2114x_media *tm = ife->ifm_aux; 3813 3814 (*tm->tm_get)(sc, ifmr); 3815 } 3816 3817 int 3818 tlp_2114x_isv_tmsw_set(sc) 3819 struct tulip_softc *sc; 3820 { 3821 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3822 struct tulip_2114x_media *tm = ife->ifm_aux; 3823 3824 return ((*tm->tm_set)(sc)); 3825 } 3826 3827 void 3828 tlp_21140_gpr_getmedia(sc, ifmr) 3829 struct tulip_softc *sc; 3830 struct ifmediareq *ifmr; 3831 { 3832 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3833 struct tulip_2114x_media *tm = ife->ifm_aux; 3834 3835 ifmr->ifm_status = 0; 3836 3837 switch (IFM_SUBTYPE(ife->ifm_media)) { 3838 case IFM_AUTO: 3839 /* 3840 * XXX Implement autosensing case. 3841 */ 3842 break; 3843 3844 default: 3845 /* 3846 * If not autosensing, active media is the currently 3847 * selected media. 3848 */ 3849 ifmr->ifm_active = ife->ifm_media; 3850 3851 /* 3852 * If we can sense the active status of the link, 3853 * so do. 3854 */ 3855 if (tm->tm_actmask != 0) { 3856 ifmr->ifm_status |= IFM_AVALID; 3857 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 3858 tm->tm_actdata) 3859 ifmr->ifm_status |= IFM_ACTIVE; 3860 } 3861 } 3862 } 3863 3864 int 3865 tlp_21140_gpr_setmedia(sc) 3866 struct tulip_softc *sc; 3867 { 3868 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3869 struct tulip_2114x_media *tm = ife->ifm_aux; 3870 3871 switch (IFM_SUBTYPE(ife->ifm_media)) { 3872 case IFM_AUTO: 3873 /* 3874 * XXX Implement autosensing case. 3875 */ 3876 break; 3877 3878 default: 3879 /* 3880 * The ifmedia entry contains the OPMODE bits necessary 3881 * to enable this media type. It may be necessary to 3882 * perform a reset of the chip; see tlp_21140_reset(). 3883 */ 3884 if ((tm->tm_opmode & OPMODE_MEDIA_BITS) != 3885 (sc->sc_opmode & OPMODE_MEDIA_BITS)) { 3886 /* 3887 * We have to reset the chip. Note that we 3888 * won't recurse into this path again as 3889 * the OPMODE bits will be correct this 3890 * next time through. 3891 */ 3892 return (tlp_init(sc)); 3893 } 3894 3895 /* 3896 * Set new OPMODE bits and write the OPMODE register. 3897 */ 3898 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3899 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | 3900 tm->tm_opmode; 3901 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3902 3903 /* 3904 * Set the GPIO pins for this media, to flip any 3905 * relays, etc. 3906 */ 3907 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3908 delay(10); 3909 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 3910 break; 3911 } 3912 3913 return (0); 3914 } 3915 3916 /* 3917 * MII-on-SIO media switch. Handles only MII attached to the SIO. 3918 */ 3919 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 3920 3921 const struct tulip_mediasw tlp_sio_mii_mediasw = { 3922 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 3923 }; 3924 3925 void 3926 tlp_sio_mii_tmsw_init(sc) 3927 struct tulip_softc *sc; 3928 { 3929 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3930 3931 sc->sc_mii.mii_ifp = ifp; 3932 sc->sc_mii.mii_readreg = tlp_sio_mii_readreg; 3933 sc->sc_mii.mii_writereg = tlp_sio_mii_writereg; 3934 sc->sc_mii.mii_statchg = sc->sc_statchg; 3935 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3936 tlp_mediastatus); 3937 mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff); 3938 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 3939 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 3940 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 3941 } else { 3942 sc->sc_flags |= TULIPF_HAS_MII; 3943 sc->sc_tick = tlp_mii_tick; 3944 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 3945 } 3946 } 3947 3948 /* 3949 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 3950 */ 3951 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 3952 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 3953 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 3954 3955 const struct tulip_mediasw tlp_pnic_mediasw = { 3956 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 3957 }; 3958 3959 void tlp_pnic_nway_statchg __P((struct device *)); 3960 void tlp_pnic_nway_tick __P((void *)); 3961 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 3962 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 3963 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 3964 void tlp_pnic_nway_auto_timeout __P((void *)); 3965 void tlp_pnic_nway_status __P((struct tulip_softc *)); 3966 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 3967 3968 void 3969 tlp_pnic_tmsw_init(sc) 3970 struct tulip_softc *sc; 3971 { 3972 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3973 const char *sep = ""; 3974 3975 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 3976 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3977 3978 sc->sc_mii.mii_ifp = ifp; 3979 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 3980 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 3981 sc->sc_mii.mii_statchg = sc->sc_statchg; 3982 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 3983 tlp_mediastatus); 3984 mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff); 3985 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 3986 /* XXX What about AUI/BNC support? */ 3987 printf("%s: ", sc->sc_dev.dv_xname); 3988 3989 tlp_pnic_nway_reset(sc); 3990 3991 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 3992 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 3993 PRINT("10baseT"); 3994 3995 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 3996 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 3997 PRINT("10baseT-FDX"); 3998 3999 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 4000 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 4001 PRINT("100baseTX"); 4002 4003 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 4004 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 4005 PNIC_NWAY_CAP100TXFDX); 4006 PRINT("100baseTX-FDX"); 4007 4008 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 4009 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 4010 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 4011 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 4012 PRINT("auto"); 4013 4014 printf("\n"); 4015 4016 sc->sc_statchg = tlp_pnic_nway_statchg; 4017 sc->sc_tick = tlp_pnic_nway_tick; 4018 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4019 } else { 4020 sc->sc_flags |= TULIPF_HAS_MII; 4021 sc->sc_tick = tlp_mii_tick; 4022 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4023 } 4024 4025 #undef ADD 4026 #undef PRINT 4027 } 4028 4029 void 4030 tlp_pnic_tmsw_get(sc, ifmr) 4031 struct tulip_softc *sc; 4032 struct ifmediareq *ifmr; 4033 { 4034 struct mii_data *mii = &sc->sc_mii; 4035 4036 if (sc->sc_flags & TULIPF_HAS_MII) 4037 tlp_mii_getmedia(sc, ifmr); 4038 else { 4039 mii->mii_media_status = 0; 4040 mii->mii_media_active = IFM_NONE; 4041 tlp_pnic_nway_service(sc, MII_POLLSTAT); 4042 ifmr->ifm_status = sc->sc_mii.mii_media_status; 4043 ifmr->ifm_active = sc->sc_mii.mii_media_active; 4044 } 4045 } 4046 4047 int 4048 tlp_pnic_tmsw_set(sc) 4049 struct tulip_softc *sc; 4050 { 4051 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4052 struct mii_data *mii = &sc->sc_mii; 4053 4054 if (sc->sc_flags & TULIPF_HAS_MII) { 4055 /* 4056 * Make sure the built-in Tx jabber timer is disabled. 4057 */ 4058 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 4059 4060 return (tlp_mii_setmedia(sc)); 4061 } 4062 4063 if (ifp->if_flags & IFF_UP) { 4064 mii->mii_media_status = 0; 4065 mii->mii_media_active = IFM_NONE; 4066 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 4067 } 4068 4069 return (0); 4070 } 4071 4072 void 4073 tlp_pnic_nway_statchg(self) 4074 struct device *self; 4075 { 4076 struct tulip_softc *sc = (struct tulip_softc *)self; 4077 4078 /* Idle the transmit and receive processes. */ 4079 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4080 4081 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 4082 OPMODE_SCR|OPMODE_HBD); 4083 4084 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 4085 sc->sc_opmode |= OPMODE_TTM; 4086 TULIP_WRITE(sc, CSR_GPP, 4087 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 4088 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 4089 } else { 4090 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 4091 TULIP_WRITE(sc, CSR_GPP, 4092 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 4093 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 4094 } 4095 4096 if (sc->sc_mii.mii_media_active & IFM_FDX) 4097 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 4098 4099 /* 4100 * Write new OPMODE bits. This also restarts the transmit 4101 * and receive processes. 4102 */ 4103 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4104 4105 /* XXX Update ifp->if_baudrate */ 4106 } 4107 4108 void 4109 tlp_pnic_nway_tick(arg) 4110 void *arg; 4111 { 4112 struct tulip_softc *sc = arg; 4113 int s; 4114 4115 s = splnet(); 4116 tlp_pnic_nway_service(sc, MII_TICK); 4117 splx(s); 4118 4119 timeout(tlp_pnic_nway_tick, sc, hz); 4120 } 4121 4122 /* 4123 * Support for the Lite-On PNIC internal NWay block. This is constructed 4124 * somewhat like a PHY driver for simplicity. 4125 */ 4126 4127 int 4128 tlp_pnic_nway_service(sc, cmd) 4129 struct tulip_softc *sc; 4130 int cmd; 4131 { 4132 struct mii_data *mii = &sc->sc_mii; 4133 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 4134 4135 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 4136 return (0); 4137 4138 switch (cmd) { 4139 case MII_POLLSTAT: 4140 /* Nothing special to do here. */ 4141 break; 4142 4143 case MII_MEDIACHG: 4144 switch (IFM_SUBTYPE(ife->ifm_media)) { 4145 case IFM_AUTO: 4146 (void) tlp_pnic_nway_auto(sc, 1); 4147 break; 4148 case IFM_100_T4: 4149 /* 4150 * XXX Not supported as a manual setting right now. 4151 */ 4152 return (EINVAL); 4153 default: 4154 /* 4155 * NWAY register data is stored in the ifmedia entry. 4156 */ 4157 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 4158 } 4159 break; 4160 4161 case MII_TICK: 4162 /* 4163 * Only used for autonegotiation. 4164 */ 4165 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4166 return (0); 4167 4168 /* 4169 * Check to see if we have link. If we do, we don't 4170 * need to restart the autonegotiation process. 4171 */ 4172 if (sc->sc_flags & TULIPF_LINK_UP) 4173 return (0); 4174 4175 /* 4176 * Only retry autonegotiation every 5 seconds. 4177 */ 4178 if (++sc->sc_nway_ticks != 5) 4179 return (0); 4180 4181 sc->sc_nway_ticks = 0; 4182 tlp_pnic_nway_reset(sc); 4183 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 4184 return (0); 4185 break; 4186 } 4187 4188 /* Update the media status. */ 4189 tlp_pnic_nway_status(sc); 4190 4191 /* Callback if something changed. */ 4192 if (sc->sc_nway_active != mii->mii_media_active || 4193 cmd == MII_MEDIACHG) { 4194 (*sc->sc_statchg)(&sc->sc_dev); 4195 sc->sc_nway_active = mii->mii_media_active; 4196 } 4197 return (0); 4198 } 4199 4200 void 4201 tlp_pnic_nway_reset(sc) 4202 struct tulip_softc *sc; 4203 { 4204 4205 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 4206 delay(100); 4207 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 4208 } 4209 4210 int 4211 tlp_pnic_nway_auto(sc, waitfor) 4212 struct tulip_softc *sc; 4213 int waitfor; 4214 { 4215 struct mii_data *mii = &sc->sc_mii; 4216 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 4217 u_int32_t reg; 4218 int i; 4219 4220 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 4221 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 4222 4223 if (waitfor) { 4224 /* Wait 500ms for it to complete. */ 4225 for (i = 0; i < 500; i++) { 4226 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 4227 if (reg & PNIC_NWAY_LPAR_MASK) { 4228 tlp_pnic_nway_acomp(sc); 4229 return (0); 4230 } 4231 delay(1000); 4232 } 4233 #if 0 4234 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 4235 printf("%s: autonegotiation failed to complete\n", 4236 sc->sc_dev.dv_xname); 4237 #endif 4238 4239 /* 4240 * Don't need to worry about clearing DOINGAUTO. 4241 * If that's set, a timeout is pending, and it will 4242 * clear the flag. 4243 */ 4244 return (EIO); 4245 } 4246 4247 /* 4248 * Just let it finish asynchronously. This is for the benefit of 4249 * the tick handler driving autonegotiation. Don't want 500ms 4250 * delays all the time while the system is running! 4251 */ 4252 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 4253 sc->sc_flags |= TULIPF_DOINGAUTO; 4254 timeout(tlp_pnic_nway_auto_timeout, sc, hz >> 1); 4255 } 4256 return (EJUSTRETURN); 4257 } 4258 4259 void 4260 tlp_pnic_nway_auto_timeout(arg) 4261 void *arg; 4262 { 4263 struct tulip_softc *sc = arg; 4264 u_int32_t reg; 4265 int s; 4266 4267 s = splnet(); 4268 sc->sc_flags &= ~TULIPF_DOINGAUTO; 4269 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 4270 #if 0 4271 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 4272 printf("%s: autonegotiation failed to complete\n", 4273 sc->sc_dev.dv_xname); 4274 #endif 4275 4276 tlp_pnic_nway_acomp(sc); 4277 4278 /* Update the media status. */ 4279 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 4280 splx(s); 4281 } 4282 4283 void 4284 tlp_pnic_nway_status(sc) 4285 struct tulip_softc *sc; 4286 { 4287 struct mii_data *mii = &sc->sc_mii; 4288 u_int32_t reg; 4289 4290 mii->mii_media_status = IFM_AVALID; 4291 mii->mii_media_active = IFM_ETHER; 4292 4293 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 4294 4295 if (sc->sc_flags & TULIPF_LINK_UP) 4296 mii->mii_media_status |= IFM_ACTIVE; 4297 4298 if (reg & PNIC_NWAY_NW) { 4299 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 4300 /* Erg, still trying, I guess... */ 4301 mii->mii_media_active |= IFM_NONE; 4302 return; 4303 } 4304 4305 #if 0 4306 if (reg & PNIC_NWAY_LPAR100T4) 4307 mii->mii_media_active |= IFM_100_T4; 4308 else 4309 #endif 4310 if (reg & PNIC_NWAY_LPAR100TXFDX) 4311 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 4312 else if (reg & PNIC_NWAY_LPAR100TX) 4313 mii->mii_media_active |= IFM_100_TX; 4314 else if (reg & PNIC_NWAY_LPAR10TFDX) 4315 mii->mii_media_active |= IFM_10_T|IFM_FDX; 4316 else if (reg & PNIC_NWAY_LPAR10T) 4317 mii->mii_media_active |= IFM_10_T; 4318 else 4319 mii->mii_media_active |= IFM_NONE; 4320 } else { 4321 if (reg & PNIC_NWAY_100) 4322 mii->mii_media_active |= IFM_100_TX; 4323 else 4324 mii->mii_media_active |= IFM_10_T; 4325 if (reg & PNIC_NWAY_FD) 4326 mii->mii_media_active |= IFM_FDX; 4327 } 4328 } 4329 4330 void 4331 tlp_pnic_nway_acomp(sc) 4332 struct tulip_softc *sc; 4333 { 4334 u_int32_t reg; 4335 4336 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 4337 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 4338 4339 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 4340 reg |= PNIC_NWAY_100; 4341 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 4342 reg |= PNIC_NWAY_FD; 4343 4344 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 4345 } 4346 4347 /* 4348 * Macronix PMAC media switch. MX98713 and MX98713A have MII. 4349 * All have GPR media. MX98713A, MX98715, MX98725 have internal 4350 * Nway blocks for autonegotiation. 4351 */ 4352 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 4353 void tlp_pmac_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4354 int tlp_pmac_tmsw_set __P((struct tulip_softc *)); 4355 4356 const struct tulip_mediasw tlp_pmac_mediasw = { 4357 tlp_pmac_tmsw_init, tlp_pmac_tmsw_get, tlp_pmac_tmsw_set 4358 }; 4359 4360 void tlp_pmac_nway_statchg __P((struct device *)); 4361 void tlp_pmac_nway_tick __P((void *)); 4362 int tlp_pmac_nway_service __P((struct tulip_softc *, int)); 4363 void tlp_pmac_nway_reset __P((struct tulip_softc *)); 4364 int tlp_pmac_nway_auto __P((struct tulip_softc *, int)); 4365 void tlp_pmac_nway_auto_timeout __P((void *)); 4366 void tlp_pmac_nway_status __P((struct tulip_softc *)); 4367 void tlp_pmac_nway_acomp __P((struct tulip_softc *)); 4368 4369 void 4370 tlp_pmac_tmsw_init(sc) 4371 struct tulip_softc *sc; 4372 { 4373 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4374 const char *sep = ""; 4375 4376 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 4377 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 4378 4379 sc->sc_mii.mii_ifp = ifp; 4380 sc->sc_mii.mii_readreg = tlp_sio_mii_readreg; 4381 sc->sc_mii.mii_writereg = tlp_sio_mii_writereg; 4382 sc->sc_mii.mii_statchg = sc->sc_statchg; 4383 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4384 tlp_mediastatus); 4385 if (sc->sc_chip == TULIP_CHIP_MX98713 || 4386 sc->sc_chip == TULIP_CHIP_MX98713A) { 4387 mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff); 4388 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 4389 sc->sc_flags |= TULIPF_HAS_MII; 4390 sc->sc_tick = tlp_mii_tick; 4391 sc->sc_preinit = tlp_2114x_preinit; 4392 ifmedia_set(&sc->sc_mii.mii_media, 4393 IFM_ETHER|IFM_AUTO); 4394 return; 4395 } 4396 } 4397 4398 printf("%s: ", sc->sc_dev.dv_xname); 4399 4400 tlp_pmac_nway_reset(sc); 4401 4402 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 4403 PMAC_10TCTL_LTE|PMAC_10TCTL_HDE); 4404 PRINT("10baseT"); 4405 4406 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 4407 PMAC_10TCTL_LTE); 4408 PRINT("10baseT-FDX"); 4409 4410 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 4411 PMAC_10TCTL_LTE|PMAC_10TCTL_TXH); 4412 PRINT("100baseTX"); 4413 4414 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 4415 PMAC_10TCTL_LTE|PMAC_10TCTL_TXF); 4416 PRINT("100baseTX-FDX"); 4417 4418 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 4419 PMAC_10TCTL_LTE|PMAC_10TCTL_HDE|PMAC_10TCTL_TXH|PMAC_10TCTL_TXF| 4420 PMAC_10TCTL_ANE); 4421 PRINT("auto"); 4422 4423 printf("\n"); 4424 4425 sc->sc_statchg = tlp_pmac_nway_statchg; 4426 sc->sc_tick = tlp_pmac_nway_tick; 4427 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4428 4429 #undef ADD 4430 #undef PRINT 4431 } 4432 4433 void 4434 tlp_pmac_tmsw_get(sc, ifmr) 4435 struct tulip_softc *sc; 4436 struct ifmediareq *ifmr; 4437 { 4438 struct mii_data *mii = &sc->sc_mii; 4439 4440 if (sc->sc_flags & TULIPF_HAS_MII) 4441 tlp_mii_getmedia(sc, ifmr); 4442 else { 4443 mii->mii_media_status = 0; 4444 mii->mii_media_active = IFM_NONE; 4445 tlp_pmac_nway_service(sc, MII_POLLSTAT); 4446 ifmr->ifm_status = sc->sc_mii.mii_media_status; 4447 ifmr->ifm_active = sc->sc_mii.mii_media_active; 4448 } 4449 } 4450 4451 int 4452 tlp_pmac_tmsw_set(sc) 4453 struct tulip_softc *sc; 4454 { 4455 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4456 struct mii_data *mii = &sc->sc_mii; 4457 4458 if (sc->sc_flags & TULIPF_HAS_MII) 4459 return (tlp_mii_setmedia(sc)); 4460 4461 if (ifp->if_flags & IFF_UP) { 4462 mii->mii_media_status = 0; 4463 mii->mii_media_active = IFM_NONE; 4464 return (tlp_pmac_nway_service(sc, MII_MEDIACHG)); 4465 } 4466 4467 return (0); 4468 } 4469 4470 void 4471 tlp_pmac_nway_statchg(self) 4472 struct device *self; 4473 { 4474 struct tulip_softc *sc = (struct tulip_softc *)self; 4475 4476 /* Idle the transmit and receive processes. */ 4477 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4478 4479 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 4480 OPMODE_SCR|OPMODE_HBD); 4481 4482 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 4483 sc->sc_opmode |= OPMODE_TTM; 4484 else 4485 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 4486 4487 if (sc->sc_mii.mii_media_active & IFM_FDX) 4488 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 4489 4490 /* 4491 * Write new OPMODE bits. This also restarts the transmit 4492 * and receive processes. 4493 */ 4494 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4495 4496 /* XXX Update ifp->if_baudrate */ 4497 } 4498 4499 void 4500 tlp_pmac_nway_tick(arg) 4501 void *arg; 4502 { 4503 struct tulip_softc *sc = arg; 4504 int s; 4505 4506 s = splnet(); 4507 tlp_pmac_nway_service(sc, MII_TICK); 4508 splx(s); 4509 4510 timeout(tlp_pmac_nway_tick, sc, hz); 4511 } 4512 4513 /* 4514 * Support for the Macronix PMAC internal NWay block. This is constructed 4515 * somewhat like a PHY driver for simplicity. 4516 */ 4517 4518 int 4519 tlp_pmac_nway_service(sc, cmd) 4520 struct tulip_softc *sc; 4521 int cmd; 4522 { 4523 struct mii_data *mii = &sc->sc_mii; 4524 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 4525 4526 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 4527 return (0); 4528 4529 switch (cmd) { 4530 case MII_POLLSTAT: 4531 /* Nothing special to do here. */ 4532 break; 4533 4534 case MII_MEDIACHG: 4535 switch (IFM_SUBTYPE(ife->ifm_media)) { 4536 case IFM_AUTO: 4537 (void) tlp_pnic_nway_auto(sc, 1); 4538 break; 4539 case IFM_100_T4: 4540 /* 4541 * XXX Not supported as a manual setting right now. 4542 */ 4543 return (EINVAL); 4544 default: 4545 /* Nothing to do in this case. */ 4546 break; 4547 } 4548 break; 4549 4550 case MII_TICK: 4551 /* 4552 * Only used for autonegotiation. 4553 */ 4554 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4555 return (0); 4556 4557 /* 4558 * Check to see if we have link. If we do, we don't 4559 * need to restart the autonegotiation process. 4560 */ 4561 if (sc->sc_flags & TULIPF_LINK_UP) 4562 return (0); 4563 4564 /* 4565 * Only retry autonegotiation every 5 seconds. 4566 */ 4567 if (++sc->sc_nway_ticks != 5) { 4568 /* 4569 * Update status; this may indicate link-up 4570 * next time around. 4571 */ 4572 tlp_pmac_nway_status(sc); 4573 return (0); 4574 } 4575 4576 sc->sc_nway_ticks = 0; 4577 tlp_pmac_nway_reset(sc); 4578 if (tlp_pmac_nway_auto(sc, 0) == EJUSTRETURN) 4579 return (0); 4580 break; 4581 } 4582 4583 /* Update the media status. */ 4584 tlp_pmac_nway_status(sc); 4585 4586 /* Callback if something changed. */ 4587 if (sc->sc_nway_active != mii->mii_media_active || 4588 cmd == MII_MEDIACHG) { 4589 (*sc->sc_statchg)(&sc->sc_dev); 4590 sc->sc_nway_active = mii->mii_media_active; 4591 } 4592 return (0); 4593 } 4594 4595 void 4596 tlp_pmac_nway_reset(sc) 4597 struct tulip_softc *sc; 4598 { 4599 4600 TULIP_WRITE(sc, CSR_PMAC_NWAYRESET, 0); 4601 delay(100); 4602 } 4603 4604 int 4605 tlp_pmac_nway_auto(sc, waitfor) 4606 struct tulip_softc *sc; 4607 int waitfor; 4608 { 4609 int i; 4610 4611 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 4612 TULIP_WRITE(sc, CSR_STATUS, STATUS_LNPANC); 4613 TULIP_SET(sc, CSR_PMAC_10TCTL, PMAC_10TCTL_ANE); 4614 } 4615 4616 if (waitfor) { 4617 /* Wait 500ms for it to complete. */ 4618 for (i = 0; i < 500; i++) { 4619 if (TULIP_ISSET(sc, CSR_STATUS, STATUS_LNPANC)) { 4620 tlp_pmac_nway_acomp(sc); 4621 return (0); 4622 } 4623 delay(1000); 4624 } 4625 #if 0 4626 if (TULIP_ISSET(sc, CSR_STATUS, STATUS_LNPANC) == 0) 4627 printf("%s: autonegotiation faild to complete\n", 4628 sc->sc_dev.dv_xname); 4629 #endif 4630 4631 /* 4632 * Don't need to worry about clearing DOINGAUTO. 4633 * If that's set, a timeout is pending, and it will 4634 * clear the flag. 4635 */ 4636 return (EIO); 4637 } 4638 4639 /* 4640 * Just let it finish asynchronously. This is for the benefit of 4641 * the tick handler driving autonegotiation. Don't want 500ms 4642 * delays all the time while the system us running! 4643 */ 4644 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 4645 sc->sc_flags |= TULIPF_DOINGAUTO; 4646 timeout(tlp_pmac_nway_auto_timeout, sc, hz >> 1); 4647 } 4648 return (EJUSTRETURN); 4649 } 4650 4651 void 4652 tlp_pmac_nway_auto_timeout(arg) 4653 void *arg; 4654 { 4655 struct tulip_softc *sc = arg; 4656 int s; 4657 4658 s = splnet(); 4659 sc->sc_flags &= ~TULIPF_DOINGAUTO; 4660 #if 0 4661 if (TULIP_ISSET(sc, CSR_STATUS, STATUS_LNPANC) == 0) 4662 printf("%s: autonegotiation failed to complete\n", 4663 sc->sc_dev.dv_xname); 4664 #endif 4665 4666 tlp_pmac_nway_acomp(sc); 4667 4668 /* Update the media status. */ 4669 (void) tlp_pmac_nway_service(sc, MII_POLLSTAT); 4670 splx(s); 4671 } 4672 4673 void 4674 tlp_pmac_nway_status(sc) 4675 struct tulip_softc *sc; 4676 { 4677 struct mii_data *mii = &sc->sc_mii; 4678 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 4679 u_int32_t reg; 4680 4681 mii->mii_media_status = IFM_AVALID; 4682 mii->mii_media_active = IFM_ETHER; 4683 4684 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) { 4685 if (TULIP_ISSET(sc, CSR_STATUS, STATUS_LNPANC) == 0) { 4686 /* Erg, still trying, I guess... */ 4687 mii->mii_media_active |= IFM_NONE; 4688 sc->sc_flags &= ~TULIPF_LINK_UP; 4689 return; 4690 } 4691 4692 reg = TULIP_READ(sc, CSR_PMAC_NWAYSTAT); 4693 4694 #if 0 4695 if (reg & PMAC_NWAYSTAT_T4) 4696 mii->mii_media_active |= IFM_100_T4; 4697 else 4698 #endif 4699 if (reg & PMAC_NWAYSTAT_100TXF) 4700 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 4701 else if (reg & PMAC_NWAYSTAT_100TXH) 4702 mii->mii_media_active |= IFM_100_TX; 4703 else if (reg & PMAC_NWAYSTAT_10TXF) 4704 mii->mii_media_active |= IFM_10_T|IFM_FDX; 4705 else if (reg & PMAC_NWAYSTAT_10TXH) 4706 mii->mii_media_active |= IFM_10_T; 4707 else 4708 mii->mii_media_active |= IFM_NONE; 4709 } else { 4710 /* 4711 * Non-autosensing case; currently selected media 4712 * is the active media. 4713 */ 4714 mii->mii_media_active = ife->ifm_media; 4715 } 4716 4717 /* 4718 * Update link status. 4719 */ 4720 reg = TULIP_READ(sc, CSR_PMAC_10TSTAT); 4721 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T && 4722 (reg & PMAC_10TSTAT_LS10) == 0) 4723 sc->sc_flags |= TULIPF_LINK_UP; 4724 else if (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX && 4725 (reg & PMAC_10TSTAT_LS100) == 0) 4726 sc->sc_flags |= TULIPF_LINK_UP; 4727 else 4728 sc->sc_flags &= ~TULIPF_LINK_UP; 4729 4730 if (sc->sc_flags & TULIPF_LINK_UP) 4731 mii->mii_media_status |= IFM_ACTIVE; 4732 } 4733 4734 void 4735 tlp_pmac_nway_acomp(sc) 4736 struct tulip_softc *sc; 4737 { 4738 4739 TULIP_CLR(sc, CSR_PMAC_10TCTL, PMAC_10TCTL_ANE); 4740 } 4741 4742 /* 4743 * ADMtek AL981 media switch. Only has internal PHY. 4744 */ 4745 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 4746 4747 const struct tulip_mediasw tlp_al981_mediasw = { 4748 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 4749 }; 4750 4751 void 4752 tlp_al981_tmsw_init(sc) 4753 struct tulip_softc *sc; 4754 { 4755 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4756 4757 sc->sc_mii.mii_ifp = ifp; 4758 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 4759 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 4760 sc->sc_mii.mii_statchg = sc->sc_statchg; 4761 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4762 tlp_mediastatus); 4763 mii_phy_probe(&sc->sc_dev, &sc->sc_mii, 0xffffffff); 4764 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4765 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4766 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4767 } else { 4768 sc->sc_flags |= TULIPF_HAS_MII; 4769 sc->sc_tick = tlp_mii_tick; 4770 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4771 } 4772 } 4773
Indexes created Mon Sep 22 21:09:42 GMT 2025