tulip.c revision 1.78
1 /* $NetBSD: tulip.c,v 1.78 2000/10/11 14:59:52 onoe Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <uvm/uvm_extern.h> 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = 96 TLP_TXTHRESH_TAB_10; 97 98 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = 99 TLP_TXTHRESH_TAB_10_100; 100 101 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = 102 TLP_TXTHRESH_TAB_WINB; 103 104 const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] = 105 TLP_TXTHRESH_TAB_DM9102; 106 107 void tlp_start __P((struct ifnet *)); 108 void tlp_watchdog __P((struct ifnet *)); 109 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 110 111 void tlp_shutdown __P((void *)); 112 113 void tlp_reset __P((struct tulip_softc *)); 114 int tlp_init __P((struct tulip_softc *)); 115 void tlp_rxdrain __P((struct tulip_softc *)); 116 void tlp_stop __P((struct tulip_softc *, int)); 117 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 118 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 119 void tlp_srom_idle __P((struct tulip_softc *)); 120 int tlp_srom_size __P((struct tulip_softc *)); 121 122 int tlp_enable __P((struct tulip_softc *)); 123 void tlp_disable __P((struct tulip_softc *)); 124 void tlp_power __P((int, void *)); 125 126 void tlp_filter_setup __P((struct tulip_softc *)); 127 void tlp_winb_filter_setup __P((struct tulip_softc *)); 128 void tlp_al981_filter_setup __P((struct tulip_softc *)); 129 130 void tlp_rxintr __P((struct tulip_softc *)); 131 void tlp_txintr __P((struct tulip_softc *)); 132 133 void tlp_mii_tick __P((void *)); 134 void tlp_mii_statchg __P((struct device *)); 135 void tlp_winb_mii_statchg __P((struct device *)); 136 void tlp_dm9102_mii_statchg __P((struct device *)); 137 138 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 139 int tlp_mii_setmedia __P((struct tulip_softc *)); 140 141 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 142 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 143 144 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 145 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 146 147 int tlp_al981_mii_readreg __P((struct device *, int, int)); 148 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 149 150 void tlp_2114x_preinit __P((struct tulip_softc *)); 151 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 152 void tlp_pnic_preinit __P((struct tulip_softc *)); 153 void tlp_dm9102_preinit __P((struct tulip_softc *)); 154 155 void tlp_21140_reset __P((struct tulip_softc *)); 156 void tlp_21142_reset __P((struct tulip_softc *)); 157 void tlp_pmac_reset __P((struct tulip_softc *)); 158 void tlp_dm9102_reset __P((struct tulip_softc *)); 159 160 #define tlp_mchash(addr, sz) \ 161 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 162 163 /* 164 * MII bit-bang glue. 165 */ 166 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 167 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 168 169 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 170 tlp_sio_mii_bitbang_read, 171 tlp_sio_mii_bitbang_write, 172 { 173 MIIROM_MDO, /* MII_BIT_MDO */ 174 MIIROM_MDI, /* MII_BIT_MDI */ 175 MIIROM_MDC, /* MII_BIT_MDC */ 176 0, /* MII_BIT_DIR_HOST_PHY */ 177 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 178 } 179 }; 180 181 #ifdef TLP_DEBUG 182 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 183 printf x 184 #else 185 #define DPRINTF(sc, x) /* nothing */ 186 #endif 187 188 #ifdef TLP_STATS 189 void tlp_print_stats __P((struct tulip_softc *)); 190 #endif 191 192 /* 193 * Can be used to debug the SROM-related things, including contents. 194 * Initialized so that it's patchable. 195 */ 196 int tlp_srom_debug = 0; 197 198 /* 199 * tlp_attach: 200 * 201 * Attach a Tulip interface to the system. 202 */ 203 void 204 tlp_attach(sc, enaddr) 205 struct tulip_softc *sc; 206 const u_int8_t *enaddr; 207 { 208 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 209 int i, error; 210 211 callout_init(&sc->sc_nway_callout); 212 callout_init(&sc->sc_tick_callout); 213 214 /* 215 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 216 */ 217 218 /* 219 * Setup the transmit threshold table. 220 */ 221 switch (sc->sc_chip) { 222 case TULIP_CHIP_DE425: 223 case TULIP_CHIP_21040: 224 case TULIP_CHIP_21041: 225 sc->sc_txth = tlp_10_txthresh_tab; 226 break; 227 228 case TULIP_CHIP_DM9102: 229 case TULIP_CHIP_DM9102A: 230 sc->sc_txth = tlp_dm9102_txthresh_tab; 231 break; 232 233 default: 234 sc->sc_txth = tlp_10_100_txthresh_tab; 235 break; 236 } 237 238 /* 239 * Setup the filter setup function. 240 */ 241 switch (sc->sc_chip) { 242 case TULIP_CHIP_WB89C840F: 243 sc->sc_filter_setup = tlp_winb_filter_setup; 244 break; 245 246 case TULIP_CHIP_AL981: 247 case TULIP_CHIP_AN983: 248 case TULIP_CHIP_AN985: 249 sc->sc_filter_setup = tlp_al981_filter_setup; 250 break; 251 252 default: 253 sc->sc_filter_setup = tlp_filter_setup; 254 break; 255 } 256 257 /* 258 * Set up the media status change function. 259 */ 260 switch (sc->sc_chip) { 261 case TULIP_CHIP_WB89C840F: 262 sc->sc_statchg = tlp_winb_mii_statchg; 263 break; 264 265 case TULIP_CHIP_DM9102: 266 case TULIP_CHIP_DM9102A: 267 sc->sc_statchg = tlp_dm9102_mii_statchg; 268 break; 269 270 default: 271 /* 272 * We may override this if we have special media 273 * handling requirements (e.g. flipping GPIO pins). 274 * 275 * The pure-MII statchg function covers the basics. 276 */ 277 sc->sc_statchg = tlp_mii_statchg; 278 break; 279 } 280 281 /* 282 * Default to no FS|LS in setup packet descriptors. They're 283 * supposed to be zero according to the 21040 and 21143 284 * manuals, and some chips fall over badly if they're 285 * included. Yet, other chips seem to require them. Sigh. 286 */ 287 switch (sc->sc_chip) { 288 case TULIP_CHIP_X3201_3: 289 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 290 break; 291 292 default: 293 sc->sc_setup_fsls = 0; 294 } 295 296 /* 297 * Set up various chip-specific quirks. 298 * 299 * Note that wherever we can, we use the "ring" option for 300 * transmit and receive descriptors. This is because some 301 * clone chips apparently have problems when using chaining, 302 * although some *only* support chaining. 303 * 304 * What we do is always program the "next" pointer, and then 305 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 306 * appropriate places. 307 */ 308 switch (sc->sc_chip) { 309 case TULIP_CHIP_21140: 310 case TULIP_CHIP_21140A: 311 case TULIP_CHIP_21142: 312 case TULIP_CHIP_21143: 313 case TULIP_CHIP_82C115: /* 21143-like */ 314 case TULIP_CHIP_MX98713: /* 21140-like */ 315 case TULIP_CHIP_MX98713A: /* 21143-like */ 316 case TULIP_CHIP_MX98715: /* 21143-like */ 317 case TULIP_CHIP_MX98715A: /* 21143-like */ 318 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 319 case TULIP_CHIP_MX98725: /* 21143-like */ 320 /* 321 * Run these chips in ring mode. 322 */ 323 sc->sc_tdctl_ch = 0; 324 sc->sc_tdctl_er = TDCTL_ER; 325 sc->sc_preinit = tlp_2114x_preinit; 326 break; 327 328 case TULIP_CHIP_82C168: 329 case TULIP_CHIP_82C169: 330 /* 331 * Run these chips in ring mode. 332 */ 333 sc->sc_tdctl_ch = 0; 334 sc->sc_tdctl_er = TDCTL_ER; 335 sc->sc_preinit = tlp_pnic_preinit; 336 337 /* 338 * These chips seem to have busted DMA engines; just put them 339 * in Store-and-Forward mode from the get-go. 340 */ 341 sc->sc_txthresh = TXTH_SF; 342 break; 343 344 case TULIP_CHIP_WB89C840F: 345 /* 346 * Run this chip in chained mode. 347 */ 348 sc->sc_tdctl_ch = TDCTL_CH; 349 sc->sc_tdctl_er = 0; 350 sc->sc_flags |= TULIPF_IC_FS; 351 break; 352 353 case TULIP_CHIP_DM9102: 354 case TULIP_CHIP_DM9102A: 355 /* 356 * Run these chips in chained mode. 357 */ 358 sc->sc_tdctl_ch = TDCTL_CH; 359 sc->sc_tdctl_er = 0; 360 sc->sc_preinit = tlp_dm9102_preinit; 361 362 /* 363 * These chips have a broken bus interface, so we 364 * can't use any optimized bus commands. For this 365 * reason, we tend to underrun pretty quickly, so 366 * just to Store-and-Forward mode from the get-go. 367 */ 368 sc->sc_txthresh = TXTH_DM9102_SF; 369 break; 370 371 default: 372 /* 373 * Default to running in ring mode. 374 */ 375 sc->sc_tdctl_ch = 0; 376 sc->sc_tdctl_er = TDCTL_ER; 377 } 378 379 /* 380 * Set up the MII bit-bang operations. 381 */ 382 switch (sc->sc_chip) { 383 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 384 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 385 break; 386 387 default: 388 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 389 } 390 391 SIMPLEQ_INIT(&sc->sc_txfreeq); 392 SIMPLEQ_INIT(&sc->sc_txdirtyq); 393 394 /* 395 * Allocate the control data structures, and create and load the 396 * DMA map for it. 397 */ 398 if ((error = bus_dmamem_alloc(sc->sc_dmat, 399 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 400 1, &sc->sc_cdnseg, 0)) != 0) { 401 printf("%s: unable to allocate control data, error = %d\n", 402 sc->sc_dev.dv_xname, error); 403 goto fail_0; 404 } 405 406 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 407 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 408 BUS_DMA_COHERENT)) != 0) { 409 printf("%s: unable to map control data, error = %d\n", 410 sc->sc_dev.dv_xname, error); 411 goto fail_1; 412 } 413 414 if ((error = bus_dmamap_create(sc->sc_dmat, 415 sizeof(struct tulip_control_data), 1, 416 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 417 printf("%s: unable to create control data DMA map, " 418 "error = %d\n", sc->sc_dev.dv_xname, error); 419 goto fail_2; 420 } 421 422 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 423 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 424 0)) != 0) { 425 printf("%s: unable to load control data DMA map, error = %d\n", 426 sc->sc_dev.dv_xname, error); 427 goto fail_3; 428 } 429 430 /* 431 * Create the transmit buffer DMA maps. 432 * 433 * Note that on the Xircom clone, transmit buffers must be 434 * 4-byte aligned. We're almost guaranteed to have to copy 435 * the packet in that case, so we just limit ourselves to 436 * one segment. 437 * 438 * On the DM9102, the transmit logic can only handle one 439 * DMA segment. 440 */ 441 switch (sc->sc_chip) { 442 case TULIP_CHIP_X3201_3: 443 case TULIP_CHIP_DM9102: 444 case TULIP_CHIP_DM9102A: 445 sc->sc_ntxsegs = 1; 446 break; 447 448 default: 449 sc->sc_ntxsegs = TULIP_NTXSEGS; 450 } 451 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 452 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 453 sc->sc_ntxsegs, MCLBYTES, 0, 0, 454 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 455 printf("%s: unable to create tx DMA map %d, " 456 "error = %d\n", sc->sc_dev.dv_xname, i, error); 457 goto fail_4; 458 } 459 } 460 461 /* 462 * Create the recieve buffer DMA maps. 463 */ 464 for (i = 0; i < TULIP_NRXDESC; i++) { 465 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 466 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 467 printf("%s: unable to create rx DMA map %d, " 468 "error = %d\n", sc->sc_dev.dv_xname, i, error); 469 goto fail_5; 470 } 471 sc->sc_rxsoft[i].rxs_mbuf = NULL; 472 } 473 474 /* 475 * From this point forward, the attachment cannot fail. A failure 476 * before this point releases all resources that may have been 477 * allocated. 478 */ 479 sc->sc_flags |= TULIPF_ATTACHED; 480 481 /* 482 * Reset the chip to a known state. 483 */ 484 tlp_reset(sc); 485 486 /* Announce ourselves. */ 487 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 488 sc->sc_name[0] != '\0' ? sc->sc_name : "", 489 sc->sc_name[0] != '\0' ? ", " : "", 490 ether_sprintf(enaddr)); 491 492 /* 493 * Initialize our media structures. This may probe the MII, if 494 * present. 495 */ 496 (*sc->sc_mediasw->tmsw_init)(sc); 497 498 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 499 ifp->if_softc = sc; 500 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 501 ifp->if_ioctl = tlp_ioctl; 502 ifp->if_start = tlp_start; 503 ifp->if_watchdog = tlp_watchdog; 504 505 /* 506 * We can support 802.1Q VLAN-sized frames. 507 */ 508 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 509 510 /* 511 * Attach the interface. 512 */ 513 if_attach(ifp); 514 ether_ifattach(ifp, enaddr); 515 #if NBPFILTER > 0 516 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 517 sizeof(struct ether_header)); 518 #endif 519 #if NRND > 0 520 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname, 521 RND_TYPE_NET, 0); 522 #endif 523 524 /* 525 * Make sure the interface is shutdown during reboot. 526 */ 527 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 528 if (sc->sc_sdhook == NULL) 529 printf("%s: WARNING: unable to establish shutdown hook\n", 530 sc->sc_dev.dv_xname); 531 532 /* 533 * Add a suspend hook to make sure we come back up after a 534 * resume. 535 */ 536 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 537 if (sc->sc_powerhook == NULL) 538 printf("%s: WARNING: unable to establish power hook\n", 539 sc->sc_dev.dv_xname); 540 return; 541 542 /* 543 * Free any resources we've allocated during the failed attach 544 * attempt. Do this in reverse order and fall through. 545 */ 546 fail_5: 547 for (i = 0; i < TULIP_NRXDESC; i++) { 548 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 549 bus_dmamap_destroy(sc->sc_dmat, 550 sc->sc_rxsoft[i].rxs_dmamap); 551 } 552 fail_4: 553 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 554 if (sc->sc_txsoft[i].txs_dmamap != NULL) 555 bus_dmamap_destroy(sc->sc_dmat, 556 sc->sc_txsoft[i].txs_dmamap); 557 } 558 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 559 fail_3: 560 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 561 fail_2: 562 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 563 sizeof(struct tulip_control_data)); 564 fail_1: 565 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 566 fail_0: 567 return; 568 } 569 570 /* 571 * tlp_activate: 572 * 573 * Handle device activation/deactivation requests. 574 */ 575 int 576 tlp_activate(self, act) 577 struct device *self; 578 enum devact act; 579 { 580 struct tulip_softc *sc = (void *) self; 581 int s, error = 0; 582 583 s = splnet(); 584 switch (act) { 585 case DVACT_ACTIVATE: 586 error = EOPNOTSUPP; 587 break; 588 589 case DVACT_DEACTIVATE: 590 if (sc->sc_flags & TULIPF_HAS_MII) 591 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 592 MII_OFFSET_ANY); 593 if_deactivate(&sc->sc_ethercom.ec_if); 594 break; 595 } 596 splx(s); 597 598 return (error); 599 } 600 601 /* 602 * tlp_detach: 603 * 604 * Detach a Tulip interface. 605 */ 606 int 607 tlp_detach(sc) 608 struct tulip_softc *sc; 609 { 610 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 611 struct tulip_rxsoft *rxs; 612 struct tulip_txsoft *txs; 613 int i; 614 615 /* 616 * Suceed now if there isn't any work to do. 617 */ 618 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 619 return (0); 620 621 /* Unhook our tick handler. */ 622 if (sc->sc_tick) 623 callout_stop(&sc->sc_tick_callout); 624 625 if (sc->sc_flags & TULIPF_HAS_MII) { 626 /* Detach all PHYs */ 627 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 628 } 629 630 /* Delete all remaining media. */ 631 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 632 633 #if NRND > 0 634 rnd_detach_source(&sc->sc_rnd_source); 635 #endif 636 #if NBPFILTER > 0 637 bpfdetach(ifp); 638 #endif 639 ether_ifdetach(ifp); 640 if_detach(ifp); 641 642 for (i = 0; i < TULIP_NRXDESC; i++) { 643 rxs = &sc->sc_rxsoft[i]; 644 if (rxs->rxs_mbuf != NULL) { 645 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 646 m_freem(rxs->rxs_mbuf); 647 rxs->rxs_mbuf = NULL; 648 } 649 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 650 } 651 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 652 txs = &sc->sc_txsoft[i]; 653 if (txs->txs_mbuf != NULL) { 654 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 655 m_freem(txs->txs_mbuf); 656 txs->txs_mbuf = NULL; 657 } 658 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 659 } 660 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 661 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 662 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 663 sizeof(struct tulip_control_data)); 664 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 665 666 shutdownhook_disestablish(sc->sc_sdhook); 667 powerhook_disestablish(sc->sc_powerhook); 668 669 if (sc->sc_srom) 670 free(sc->sc_srom, M_DEVBUF); 671 672 return (0); 673 } 674 675 /* 676 * tlp_shutdown: 677 * 678 * Make sure the interface is stopped at reboot time. 679 */ 680 void 681 tlp_shutdown(arg) 682 void *arg; 683 { 684 struct tulip_softc *sc = arg; 685 686 tlp_stop(sc, 1); 687 } 688 689 /* 690 * tlp_start: [ifnet interface function] 691 * 692 * Start packet transmission on the interface. 693 */ 694 void 695 tlp_start(ifp) 696 struct ifnet *ifp; 697 { 698 struct tulip_softc *sc = ifp->if_softc; 699 struct mbuf *m0, *m; 700 struct tulip_txsoft *txs, *last_txs; 701 bus_dmamap_t dmamap; 702 int error, firsttx, nexttx, lasttx, ofree, seg; 703 704 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 705 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 706 707 /* 708 * If we want a filter setup, it means no more descriptors were 709 * available for the setup routine. Let it get a chance to wedge 710 * itself into the ring. 711 */ 712 if (sc->sc_flags & TULIPF_WANT_SETUP) 713 ifp->if_flags |= IFF_OACTIVE; 714 715 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 716 return; 717 718 /* 719 * Remember the previous number of free descriptors and 720 * the first descriptor we'll use. 721 */ 722 ofree = sc->sc_txfree; 723 firsttx = sc->sc_txnext; 724 725 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 726 sc->sc_dev.dv_xname, ofree, firsttx)); 727 728 /* 729 * Loop through the send queue, setting up transmit descriptors 730 * until we drain the queue, or use up all available transmit 731 * descriptors. 732 */ 733 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 734 sc->sc_txfree != 0) { 735 /* 736 * Grab a packet off the queue. 737 */ 738 IF_DEQUEUE(&ifp->if_snd, m0); 739 if (m0 == NULL) 740 break; 741 742 dmamap = txs->txs_dmamap; 743 744 /* 745 * Load the DMA map. If this fails, the packet either 746 * didn't fit in the alloted number of segments, or we were 747 * short on resources. In this case, we'll copy and try 748 * again. 749 * 750 * Note that if we're only allowed 1 Tx segment, we 751 * have an alignment restriction. Do this test before 752 * attempting to load the DMA map, because it's more 753 * likely we'll trip the alignment test than the 754 * more-than-one-segment test. 755 */ 756 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 757 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 758 BUS_DMA_NOWAIT) != 0) { 759 MGETHDR(m, M_DONTWAIT, MT_DATA); 760 if (m == NULL) { 761 printf("%s: unable to allocate Tx mbuf\n", 762 sc->sc_dev.dv_xname); 763 IF_PREPEND(&ifp->if_snd, m0); 764 break; 765 } 766 if (m0->m_pkthdr.len > MHLEN) { 767 MCLGET(m, M_DONTWAIT); 768 if ((m->m_flags & M_EXT) == 0) { 769 printf("%s: unable to allocate Tx " 770 "cluster\n", sc->sc_dev.dv_xname); 771 m_freem(m); 772 IF_PREPEND(&ifp->if_snd, m0); 773 break; 774 } 775 } 776 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 777 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 778 m_freem(m0); 779 m0 = m; 780 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 781 m0, BUS_DMA_NOWAIT); 782 if (error) { 783 printf("%s: unable to load Tx buffer, " 784 "error = %d\n", sc->sc_dev.dv_xname, error); 785 IF_PREPEND(&ifp->if_snd, m0); 786 break; 787 } 788 } 789 790 /* 791 * Ensure we have enough descriptors free to describe 792 * the packet. 793 */ 794 if (dmamap->dm_nsegs > sc->sc_txfree) { 795 /* 796 * Not enough free descriptors to transmit this 797 * packet. We haven't committed to anything yet, 798 * so just unload the DMA map, put the packet 799 * back on the queue, and punt. Notify the upper 800 * layer that there are no more slots left. 801 * 802 * XXX We could allocate an mbuf and copy, but 803 * XXX it is worth it? 804 */ 805 ifp->if_flags |= IFF_OACTIVE; 806 bus_dmamap_unload(sc->sc_dmat, dmamap); 807 IF_PREPEND(&ifp->if_snd, m0); 808 break; 809 } 810 811 /* 812 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 813 */ 814 815 /* Sync the DMA map. */ 816 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 817 BUS_DMASYNC_PREWRITE); 818 819 /* 820 * Initialize the transmit descriptors. 821 */ 822 for (nexttx = sc->sc_txnext, seg = 0; 823 seg < dmamap->dm_nsegs; 824 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 825 /* 826 * If this is the first descriptor we're 827 * enqueueing, don't set the OWN bit just 828 * yet. That could cause a race condition. 829 * We'll do it below. 830 */ 831 sc->sc_txdescs[nexttx].td_status = 832 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 833 sc->sc_txdescs[nexttx].td_bufaddr1 = 834 htole32(dmamap->dm_segs[seg].ds_addr); 835 sc->sc_txdescs[nexttx].td_ctl = 836 htole32((dmamap->dm_segs[seg].ds_len << 837 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 838 (nexttx == (TULIP_NTXDESC - 1) ? 839 sc->sc_tdctl_er : 0)); 840 lasttx = nexttx; 841 } 842 843 /* Set `first segment' and `last segment' appropriately. */ 844 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 845 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 846 847 #ifdef TLP_DEBUG 848 if (ifp->if_flags & IFF_DEBUG) { 849 printf(" txsoft %p transmit chain:\n", txs); 850 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 851 printf(" descriptor %d:\n", seg); 852 printf(" td_status: 0x%08x\n", 853 le32toh(sc->sc_txdescs[seg].td_status)); 854 printf(" td_ctl: 0x%08x\n", 855 le32toh(sc->sc_txdescs[seg].td_ctl)); 856 printf(" td_bufaddr1: 0x%08x\n", 857 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 858 printf(" td_bufaddr2: 0x%08x\n", 859 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 860 if (seg == lasttx) 861 break; 862 } 863 } 864 #endif 865 866 /* Sync the descriptors we're using. */ 867 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 868 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 869 870 /* 871 * Store a pointer to the packet so we can free it later, 872 * and remember what txdirty will be once the packet is 873 * done. 874 */ 875 txs->txs_mbuf = m0; 876 txs->txs_firstdesc = sc->sc_txnext; 877 txs->txs_lastdesc = lasttx; 878 txs->txs_ndescs = dmamap->dm_nsegs; 879 880 /* Advance the tx pointer. */ 881 sc->sc_txfree -= dmamap->dm_nsegs; 882 sc->sc_txnext = nexttx; 883 884 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 885 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 886 887 last_txs = txs; 888 889 #if NBPFILTER > 0 890 /* 891 * Pass the packet to any BPF listeners. 892 */ 893 if (ifp->if_bpf) 894 bpf_mtap(ifp->if_bpf, m0); 895 #endif /* NBPFILTER > 0 */ 896 } 897 898 if (txs == NULL || sc->sc_txfree == 0) { 899 /* No more slots left; notify upper layer. */ 900 ifp->if_flags |= IFF_OACTIVE; 901 } 902 903 if (sc->sc_txfree != ofree) { 904 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 905 sc->sc_dev.dv_xname, lasttx, firsttx)); 906 /* 907 * Cause a transmit interrupt to happen on the 908 * last packet we enqueued. 909 */ 910 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 911 TULIP_CDTXSYNC(sc, lasttx, 1, 912 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 913 914 /* 915 * Some clone chips want IC on the *first* segment in 916 * the packet. Appease them. 917 */ 918 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 919 last_txs->txs_firstdesc != lasttx) { 920 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 921 htole32(TDCTL_Tx_IC); 922 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 923 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 924 } 925 926 /* 927 * The entire packet chain is set up. Give the 928 * first descriptor to the chip now. 929 */ 930 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 931 TULIP_CDTXSYNC(sc, firsttx, 1, 932 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 933 934 /* Wake up the transmitter. */ 935 /* XXX USE AUTOPOLLING? */ 936 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 937 938 /* Set a watchdog timer in case the chip flakes out. */ 939 ifp->if_timer = 5; 940 } 941 } 942 943 /* 944 * tlp_watchdog: [ifnet interface function] 945 * 946 * Watchdog timer handler. 947 */ 948 void 949 tlp_watchdog(ifp) 950 struct ifnet *ifp; 951 { 952 struct tulip_softc *sc = ifp->if_softc; 953 int doing_setup, doing_transmit; 954 955 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 956 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 957 958 if (doing_setup && doing_transmit) { 959 printf("%s: filter setup and transmit timeout\n", 960 sc->sc_dev.dv_xname); 961 ifp->if_oerrors++; 962 } else if (doing_transmit) { 963 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 964 ifp->if_oerrors++; 965 } else if (doing_setup) 966 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 967 else 968 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 969 970 (void) tlp_init(sc); 971 972 /* Try to get more packets going. */ 973 tlp_start(ifp); 974 } 975 976 /* 977 * tlp_ioctl: [ifnet interface function] 978 * 979 * Handle control requests from the operator. 980 */ 981 int 982 tlp_ioctl(ifp, cmd, data) 983 struct ifnet *ifp; 984 u_long cmd; 985 caddr_t data; 986 { 987 struct tulip_softc *sc = ifp->if_softc; 988 struct ifreq *ifr = (struct ifreq *)data; 989 struct ifaddr *ifa = (struct ifaddr *)data; 990 int s, error = 0; 991 992 s = splnet(); 993 994 switch (cmd) { 995 case SIOCSIFADDR: 996 if ((error = tlp_enable(sc)) != 0) 997 break; 998 ifp->if_flags |= IFF_UP; 999 1000 switch (ifa->ifa_addr->sa_family) { 1001 #ifdef INET 1002 case AF_INET: 1003 if ((error = tlp_init(sc)) != 0) 1004 break; 1005 arp_ifinit(ifp, ifa); 1006 break; 1007 #endif /* INET */ 1008 #ifdef NS 1009 case AF_NS: 1010 { 1011 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1012 1013 if (ns_nullhost(*ina)) 1014 ina->x_host = *(union ns_host *) 1015 LLADDR(ifp->if_sadl); 1016 else 1017 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 1018 ifp->if_addrlen); 1019 /* Set new address. */ 1020 error = tlp_init(sc); 1021 break; 1022 } 1023 #endif /* NS */ 1024 default: 1025 error = tlp_init(sc); 1026 break; 1027 } 1028 break; 1029 1030 case SIOCSIFMTU: 1031 if (ifr->ifr_mtu > ETHERMTU) 1032 error = EINVAL; 1033 else 1034 ifp->if_mtu = ifr->ifr_mtu; 1035 break; 1036 1037 case SIOCSIFFLAGS: 1038 #ifdef TLP_STATS 1039 if (ifp->if_flags & IFF_DEBUG) 1040 tlp_print_stats(sc); 1041 #endif 1042 if ((ifp->if_flags & IFF_UP) == 0 && 1043 (ifp->if_flags & IFF_RUNNING) != 0) { 1044 /* 1045 * If interface is marked down and it is running, then 1046 * stop it. 1047 */ 1048 tlp_stop(sc, 1); 1049 tlp_disable(sc); 1050 } else if ((ifp->if_flags & IFF_UP) != 0 && 1051 (ifp->if_flags & IFF_RUNNING) == 0) { 1052 /* 1053 * If interfase it marked up and it is stopped, then 1054 * start it. 1055 */ 1056 if ((error = tlp_enable(sc)) != 0) 1057 break; 1058 error = tlp_init(sc); 1059 } else if ((ifp->if_flags & IFF_UP) != 0) { 1060 /* 1061 * Reset the interface to pick up changes in any other 1062 * flags that affect the hardware state. 1063 */ 1064 if ((error = tlp_enable(sc)) != 0) 1065 break; 1066 error = tlp_init(sc); 1067 } 1068 break; 1069 1070 case SIOCADDMULTI: 1071 case SIOCDELMULTI: 1072 error = (cmd == SIOCADDMULTI) ? 1073 ether_addmulti(ifr, &sc->sc_ethercom) : 1074 ether_delmulti(ifr, &sc->sc_ethercom); 1075 1076 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1077 /* 1078 * Multicast list has changed. Set the filter 1079 * accordingly. 1080 */ 1081 (*sc->sc_filter_setup)(sc); 1082 error = 0; 1083 } 1084 break; 1085 1086 case SIOCSIFMEDIA: 1087 case SIOCGIFMEDIA: 1088 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1089 break; 1090 1091 default: 1092 error = EINVAL; 1093 break; 1094 } 1095 1096 /* Try to get more packets going. */ 1097 if (TULIP_IS_ENABLED(sc)) 1098 tlp_start(ifp); 1099 1100 splx(s); 1101 return (error); 1102 } 1103 1104 /* 1105 * tlp_intr: 1106 * 1107 * Interrupt service routine. 1108 */ 1109 int 1110 tlp_intr(arg) 1111 void *arg; 1112 { 1113 struct tulip_softc *sc = arg; 1114 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1115 u_int32_t status, rxstatus, txstatus; 1116 int handled = 0, txthresh; 1117 1118 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1119 1120 #ifdef DEBUG 1121 if (TULIP_IS_ENABLED(sc) == 0) 1122 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1123 #endif 1124 1125 /* 1126 * If the interface isn't running, the interrupt couldn't 1127 * possibly have come from us. 1128 */ 1129 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1130 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1131 return (0); 1132 1133 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1134 switch (sc->sc_chip) { 1135 case TULIP_CHIP_DM9102: 1136 case TULIP_CHIP_DM9102A: 1137 TULIP_WRITE(sc, CSR_INTEN, 0); 1138 break; 1139 1140 default: 1141 /* Nothing. */ 1142 } 1143 1144 for (;;) { 1145 status = TULIP_READ(sc, CSR_STATUS); 1146 if (status) 1147 TULIP_WRITE(sc, CSR_STATUS, status); 1148 1149 if ((status & sc->sc_inten) == 0) 1150 break; 1151 1152 handled = 1; 1153 1154 rxstatus = status & sc->sc_rxint_mask; 1155 txstatus = status & sc->sc_txint_mask; 1156 1157 if (rxstatus) { 1158 /* Grab new any new packets. */ 1159 tlp_rxintr(sc); 1160 1161 if (rxstatus & STATUS_RWT) 1162 printf("%s: receive watchdog timeout\n", 1163 sc->sc_dev.dv_xname); 1164 1165 if (rxstatus & STATUS_RU) { 1166 printf("%s: receive ring overrun\n", 1167 sc->sc_dev.dv_xname); 1168 /* Get the receive process going again. */ 1169 if (sc->sc_tdctl_er != TDCTL_ER) { 1170 tlp_idle(sc, OPMODE_SR); 1171 TULIP_WRITE(sc, CSR_RXLIST, 1172 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1173 TULIP_WRITE(sc, CSR_OPMODE, 1174 sc->sc_opmode); 1175 } 1176 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1177 break; 1178 } 1179 } 1180 1181 if (txstatus) { 1182 /* Sweep up transmit descriptors. */ 1183 tlp_txintr(sc); 1184 1185 if (txstatus & STATUS_TJT) 1186 printf("%s: transmit jabber timeout\n", 1187 sc->sc_dev.dv_xname); 1188 1189 if (txstatus & STATUS_UNF) { 1190 /* 1191 * Increase our transmit threshold if 1192 * another is available. 1193 */ 1194 txthresh = sc->sc_txthresh + 1; 1195 if (sc->sc_txth[txthresh].txth_name != NULL) { 1196 /* Idle the transmit process. */ 1197 tlp_idle(sc, OPMODE_ST); 1198 1199 sc->sc_txthresh = txthresh; 1200 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1201 sc->sc_opmode |= 1202 sc->sc_txth[txthresh].txth_opmode; 1203 printf("%s: transmit underrun; new " 1204 "threshold: %s\n", 1205 sc->sc_dev.dv_xname, 1206 sc->sc_txth[txthresh].txth_name); 1207 1208 /* 1209 * Set the new threshold and restart 1210 * the transmit process. 1211 */ 1212 TULIP_WRITE(sc, CSR_OPMODE, 1213 sc->sc_opmode); 1214 } 1215 /* 1216 * XXX Log every Nth underrun from 1217 * XXX now on? 1218 */ 1219 } 1220 } 1221 1222 if (status & (STATUS_TPS|STATUS_RPS)) { 1223 if (status & STATUS_TPS) 1224 printf("%s: transmit process stopped\n", 1225 sc->sc_dev.dv_xname); 1226 if (status & STATUS_RPS) 1227 printf("%s: receive process stopped\n", 1228 sc->sc_dev.dv_xname); 1229 (void) tlp_init(sc); 1230 break; 1231 } 1232 1233 if (status & STATUS_SE) { 1234 const char *str; 1235 switch (status & STATUS_EB) { 1236 case STATUS_EB_PARITY: 1237 str = "parity error"; 1238 break; 1239 1240 case STATUS_EB_MABT: 1241 str = "master abort"; 1242 break; 1243 1244 case STATUS_EB_TABT: 1245 str = "target abort"; 1246 break; 1247 1248 default: 1249 str = "unknown error"; 1250 break; 1251 } 1252 printf("%s: fatal system error: %s\n", 1253 sc->sc_dev.dv_xname, str); 1254 (void) tlp_init(sc); 1255 break; 1256 } 1257 1258 /* 1259 * Not handled: 1260 * 1261 * Transmit buffer unavailable -- normal 1262 * condition, nothing to do, really. 1263 * 1264 * General purpose timer experied -- we don't 1265 * use the general purpose timer. 1266 * 1267 * Early receive interrupt -- not available on 1268 * all chips, we just use RI. We also only 1269 * use single-segment receive DMA, so this 1270 * is mostly useless. 1271 */ 1272 } 1273 1274 /* Bring interrupts back up on the DM9102. */ 1275 switch (sc->sc_chip) { 1276 case TULIP_CHIP_DM9102: 1277 case TULIP_CHIP_DM9102A: 1278 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1279 break; 1280 1281 default: 1282 /* Nothing. */ 1283 } 1284 1285 /* Try to get more packets going. */ 1286 tlp_start(ifp); 1287 1288 #if NRND > 0 1289 if (handled) 1290 rnd_add_uint32(&sc->sc_rnd_source, status); 1291 #endif 1292 return (handled); 1293 } 1294 1295 /* 1296 * tlp_rxintr: 1297 * 1298 * Helper; handle receive interrupts. 1299 */ 1300 void 1301 tlp_rxintr(sc) 1302 struct tulip_softc *sc; 1303 { 1304 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1305 struct ether_header *eh; 1306 struct tulip_rxsoft *rxs; 1307 struct mbuf *m; 1308 u_int32_t rxstat; 1309 int i, len; 1310 1311 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1312 rxs = &sc->sc_rxsoft[i]; 1313 1314 TULIP_CDRXSYNC(sc, i, 1315 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1316 1317 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1318 1319 if (rxstat & TDSTAT_OWN) { 1320 /* 1321 * We have processed all of the receive buffers. 1322 */ 1323 break; 1324 } 1325 1326 /* 1327 * Make sure the packet fit in one buffer. This should 1328 * always be the case. But the Lite-On PNIC, rev 33 1329 * has an awful receive engine bug, which may require 1330 * a very icky work-around. 1331 */ 1332 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1333 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1334 printf("%s: incoming packet spilled, resetting\n", 1335 sc->sc_dev.dv_xname); 1336 (void) tlp_init(sc); 1337 return; 1338 } 1339 1340 /* 1341 * If any collisions were seen on the wire, count one. 1342 */ 1343 if (rxstat & TDSTAT_Rx_CS) 1344 ifp->if_collisions++; 1345 1346 /* 1347 * If an error occured, update stats, clear the status 1348 * word, and leave the packet buffer in place. It will 1349 * simply be reused the next time the ring comes around. 1350 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1351 * error. 1352 */ 1353 if (rxstat & TDSTAT_ES && 1354 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1355 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_RE | 1356 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1357 #define PRINTERR(bit, str) \ 1358 if (rxstat & (bit)) \ 1359 printf("%s: receive error: %s\n", \ 1360 sc->sc_dev.dv_xname, str) 1361 ifp->if_ierrors++; 1362 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1363 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1364 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1365 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1366 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1367 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1368 #undef PRINTERR 1369 TULIP_INIT_RXDESC(sc, i); 1370 continue; 1371 } 1372 1373 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1374 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1375 1376 /* 1377 * No errors; receive the packet. Note the Tulip 1378 * includes the CRC with every packet; trim it. 1379 */ 1380 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1381 1382 #ifdef __NO_STRICT_ALIGNMENT 1383 /* 1384 * Allocate a new mbuf cluster. If that fails, we are 1385 * out of memory, and must drop the packet and recycle 1386 * the buffer that's already attached to this descriptor. 1387 */ 1388 m = rxs->rxs_mbuf; 1389 if (tlp_add_rxbuf(sc, i) != 0) { 1390 ifp->if_ierrors++; 1391 TULIP_INIT_RXDESC(sc, i); 1392 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1393 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1394 continue; 1395 } 1396 #else 1397 /* 1398 * The Tulip's receive buffers must be 4-byte aligned. 1399 * But this means that the data after the Ethernet header 1400 * is misaligned. We must allocate a new buffer and 1401 * copy the data, shifted forward 2 bytes. 1402 */ 1403 MGETHDR(m, M_DONTWAIT, MT_DATA); 1404 if (m == NULL) { 1405 dropit: 1406 ifp->if_ierrors++; 1407 TULIP_INIT_RXDESC(sc, i); 1408 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1409 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1410 continue; 1411 } 1412 if (len > (MHLEN - 2)) { 1413 MCLGET(m, M_DONTWAIT); 1414 if ((m->m_flags & M_EXT) == 0) { 1415 m_freem(m); 1416 goto dropit; 1417 } 1418 } 1419 m->m_data += 2; 1420 1421 /* 1422 * Note that we use clusters for incoming frames, so the 1423 * buffer is virtually contiguous. 1424 */ 1425 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1426 1427 /* Allow the receive descriptor to continue using its mbuf. */ 1428 TULIP_INIT_RXDESC(sc, i); 1429 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1430 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1431 #endif /* __NO_STRICT_ALIGNMENT */ 1432 1433 ifp->if_ipackets++; 1434 eh = mtod(m, struct ether_header *); 1435 m->m_pkthdr.rcvif = ifp; 1436 m->m_pkthdr.len = m->m_len = len; 1437 1438 #if NBPFILTER > 0 1439 /* 1440 * Pass this up to any BPF listeners, but only 1441 * pass it up the stack if its for us. 1442 */ 1443 if (ifp->if_bpf) 1444 bpf_mtap(ifp->if_bpf, m); 1445 #endif /* NPBFILTER > 0 */ 1446 1447 /* 1448 * We sometimes have to run the 21140 in Hash-Only 1449 * mode. If we're in that mode, and not in promiscuous 1450 * mode, and we have a unicast packet that isn't for 1451 * us, then drop it. 1452 */ 1453 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1454 (ifp->if_flags & IFF_PROMISC) == 0 && 1455 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1456 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1457 ETHER_ADDR_LEN) != 0) { 1458 m_freem(m); 1459 continue; 1460 } 1461 1462 /* Pass it on. */ 1463 (*ifp->if_input)(ifp, m); 1464 } 1465 1466 /* Update the recieve pointer. */ 1467 sc->sc_rxptr = i; 1468 } 1469 1470 /* 1471 * tlp_txintr: 1472 * 1473 * Helper; handle transmit interrupts. 1474 */ 1475 void 1476 tlp_txintr(sc) 1477 struct tulip_softc *sc; 1478 { 1479 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1480 struct tulip_txsoft *txs; 1481 u_int32_t txstat; 1482 1483 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1484 sc->sc_dev.dv_xname, sc->sc_flags)); 1485 1486 ifp->if_flags &= ~IFF_OACTIVE; 1487 1488 /* 1489 * Go through our Tx list and free mbufs for those 1490 * frames that have been transmitted. 1491 */ 1492 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1493 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1494 txs->txs_ndescs, 1495 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1496 1497 #ifdef TLP_DEBUG 1498 if (ifp->if_flags & IFF_DEBUG) { 1499 int i; 1500 printf(" txsoft %p transmit chain:\n", txs); 1501 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1502 printf(" descriptor %d:\n", i); 1503 printf(" td_status: 0x%08x\n", 1504 le32toh(sc->sc_txdescs[i].td_status)); 1505 printf(" td_ctl: 0x%08x\n", 1506 le32toh(sc->sc_txdescs[i].td_ctl)); 1507 printf(" td_bufaddr1: 0x%08x\n", 1508 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1509 printf(" td_bufaddr2: 0x%08x\n", 1510 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1511 if (i == txs->txs_lastdesc) 1512 break; 1513 } 1514 } 1515 #endif 1516 1517 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1518 if (txstat & TDSTAT_OWN) 1519 break; 1520 1521 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1522 1523 sc->sc_txfree += txs->txs_ndescs; 1524 1525 if (txs->txs_mbuf == NULL) { 1526 /* 1527 * If we didn't have an mbuf, it was the setup 1528 * packet. 1529 */ 1530 #ifdef DIAGNOSTIC 1531 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1532 panic("tlp_txintr: null mbuf, not doing setup"); 1533 #endif 1534 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1535 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1536 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1537 continue; 1538 } 1539 1540 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1541 0, txs->txs_dmamap->dm_mapsize, 1542 BUS_DMASYNC_POSTWRITE); 1543 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1544 m_freem(txs->txs_mbuf); 1545 txs->txs_mbuf = NULL; 1546 1547 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1548 1549 /* 1550 * Check for errors and collisions. 1551 */ 1552 #ifdef TLP_STATS 1553 if (txstat & TDSTAT_Tx_UF) 1554 sc->sc_stats.ts_tx_uf++; 1555 if (txstat & TDSTAT_Tx_TO) 1556 sc->sc_stats.ts_tx_to++; 1557 if (txstat & TDSTAT_Tx_EC) 1558 sc->sc_stats.ts_tx_ec++; 1559 if (txstat & TDSTAT_Tx_LC) 1560 sc->sc_stats.ts_tx_lc++; 1561 #endif 1562 1563 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1564 ifp->if_oerrors++; 1565 1566 if (txstat & TDSTAT_Tx_EC) 1567 ifp->if_collisions += 16; 1568 else 1569 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1570 if (txstat & TDSTAT_Tx_LC) 1571 ifp->if_collisions++; 1572 1573 ifp->if_opackets++; 1574 } 1575 1576 /* 1577 * If there are no more pending transmissions, cancel the watchdog 1578 * timer. 1579 */ 1580 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1581 ifp->if_timer = 0; 1582 1583 /* 1584 * If we have a receive filter setup pending, do it now. 1585 */ 1586 if (sc->sc_flags & TULIPF_WANT_SETUP) 1587 (*sc->sc_filter_setup)(sc); 1588 } 1589 1590 #ifdef TLP_STATS 1591 void 1592 tlp_print_stats(sc) 1593 struct tulip_softc *sc; 1594 { 1595 1596 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1597 sc->sc_dev.dv_xname, 1598 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1599 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1600 } 1601 #endif 1602 1603 /* 1604 * tlp_reset: 1605 * 1606 * Perform a soft reset on the Tulip. 1607 */ 1608 void 1609 tlp_reset(sc) 1610 struct tulip_softc *sc; 1611 { 1612 int i; 1613 1614 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1615 1616 /* 1617 * Xircom clone doesn't bring itself out of reset automatically. 1618 * Instead, we have to wait at least 50 PCI cycles, and then 1619 * clear SWR. 1620 */ 1621 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1622 delay(10); 1623 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1624 } 1625 1626 for (i = 0; i < 1000; i++) { 1627 /* 1628 * Wait at least 50 PCI cycles for the reset to 1629 * complete before peeking at the Tulip again. 1630 * 10 uSec is a bit longer than 50 PCI cycles 1631 * (at 33MHz), but it doesn't hurt have the extra 1632 * wait. 1633 */ 1634 delay(10); 1635 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1636 break; 1637 } 1638 1639 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1640 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1641 1642 delay(1000); 1643 1644 /* 1645 * If the board has any GPIO reset sequences to issue, do them now. 1646 */ 1647 if (sc->sc_reset != NULL) 1648 (*sc->sc_reset)(sc); 1649 } 1650 1651 /* 1652 * tlp_init: 1653 * 1654 * Initialize the interface. Must be called at splnet(). 1655 */ 1656 int 1657 tlp_init(sc) 1658 struct tulip_softc *sc; 1659 { 1660 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1661 struct tulip_txsoft *txs; 1662 struct tulip_rxsoft *rxs; 1663 int i, error = 0; 1664 1665 /* 1666 * Cancel any pending I/O. 1667 */ 1668 tlp_stop(sc, 0); 1669 1670 /* 1671 * Initialize `opmode' to 0, and call the pre-init routine, if 1672 * any. This is required because the 2114x and some of the 1673 * clones require that the media-related bits in `opmode' be 1674 * set before performing a soft-reset in order to get internal 1675 * chip pathways are correct. Yay! 1676 */ 1677 sc->sc_opmode = 0; 1678 if (sc->sc_preinit != NULL) 1679 (*sc->sc_preinit)(sc); 1680 1681 /* 1682 * Reset the Tulip to a known state. 1683 */ 1684 tlp_reset(sc); 1685 1686 /* 1687 * Initialize the BUSMODE register. 1688 */ 1689 sc->sc_busmode = BUSMODE_BAR; 1690 switch (sc->sc_chip) { 1691 case TULIP_CHIP_21140: 1692 case TULIP_CHIP_21140A: 1693 case TULIP_CHIP_21142: 1694 case TULIP_CHIP_21143: 1695 case TULIP_CHIP_82C115: 1696 case TULIP_CHIP_MX98725: 1697 /* 1698 * If we're allowed to do so, use Memory Read Line 1699 * and Memory Read Multiple. 1700 * 1701 * XXX Should we use Memory Write and Invalidate? 1702 */ 1703 if (sc->sc_flags & TULIPF_MRL) 1704 sc->sc_busmode |= BUSMODE_RLE; 1705 if (sc->sc_flags & TULIPF_MRM) 1706 sc->sc_busmode |= BUSMODE_RME; 1707 #if 0 1708 if (sc->sc_flags & TULIPF_MWI) 1709 sc->sc_busmode |= BUSMODE_WLE; 1710 #endif 1711 break; 1712 1713 case TULIP_CHIP_82C168: 1714 case TULIP_CHIP_82C169: 1715 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1716 if (sc->sc_maxburst == 0) 1717 sc->sc_maxburst = 16; 1718 break; 1719 1720 default: 1721 /* Nothing. */ 1722 } 1723 switch (sc->sc_cacheline) { 1724 default: 1725 /* 1726 * Note: We must *always* set these bits; a cache 1727 * alignment of 0 is RESERVED. 1728 */ 1729 case 8: 1730 sc->sc_busmode |= BUSMODE_CAL_8LW; 1731 break; 1732 case 16: 1733 sc->sc_busmode |= BUSMODE_CAL_16LW; 1734 break; 1735 case 32: 1736 sc->sc_busmode |= BUSMODE_CAL_32LW; 1737 break; 1738 } 1739 switch (sc->sc_maxburst) { 1740 case 1: 1741 sc->sc_busmode |= BUSMODE_PBL_1LW; 1742 break; 1743 case 2: 1744 sc->sc_busmode |= BUSMODE_PBL_2LW; 1745 break; 1746 case 4: 1747 sc->sc_busmode |= BUSMODE_PBL_4LW; 1748 break; 1749 case 8: 1750 sc->sc_busmode |= BUSMODE_PBL_8LW; 1751 break; 1752 case 16: 1753 sc->sc_busmode |= BUSMODE_PBL_16LW; 1754 break; 1755 case 32: 1756 sc->sc_busmode |= BUSMODE_PBL_32LW; 1757 break; 1758 default: 1759 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1760 break; 1761 } 1762 #if BYTE_ORDER == BIG_ENDIAN 1763 /* 1764 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1765 * support them, and even on ones that do, it doesn't 1766 * always work. So we always access descriptors with 1767 * little endian via htole32/le32toh. 1768 */ 1769 #endif 1770 /* 1771 * Big-endian bus requires BUSMODE_BLE anyway. 1772 * Also, BUSMODE_DBO is needed because we assume 1773 * descriptors are little endian. 1774 */ 1775 if (sc->sc_flags & TULIPF_BLE) 1776 sc->sc_busmode |= BUSMODE_BLE; 1777 if (sc->sc_flags & TULIPF_DBO) 1778 sc->sc_busmode |= BUSMODE_DBO; 1779 1780 /* 1781 * Some chips have a broken bus interface. 1782 */ 1783 switch (sc->sc_chip) { 1784 case TULIP_CHIP_DM9102: 1785 case TULIP_CHIP_DM9102A: 1786 sc->sc_busmode = 0; 1787 break; 1788 1789 default: 1790 /* Nothing. */ 1791 } 1792 1793 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1794 1795 /* 1796 * Initialize the OPMODE register. We don't write it until 1797 * we're ready to begin the transmit and receive processes. 1798 * 1799 * Media-related OPMODE bits are set in the media callbacks 1800 * for each specific chip/board. 1801 */ 1802 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1803 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1804 1805 /* 1806 * Magical mystery initialization on the Macronix chips. 1807 * The MX98713 uses its own magic value, the rest share 1808 * a common one. 1809 */ 1810 switch (sc->sc_chip) { 1811 case TULIP_CHIP_MX98713: 1812 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1813 break; 1814 1815 case TULIP_CHIP_MX98713A: 1816 case TULIP_CHIP_MX98715: 1817 case TULIP_CHIP_MX98715A: 1818 case TULIP_CHIP_MX98715AEC_X: 1819 case TULIP_CHIP_MX98725: 1820 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1821 break; 1822 1823 default: 1824 /* Nothing. */ 1825 } 1826 1827 /* 1828 * Initialize the transmit descriptor ring. 1829 */ 1830 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1831 for (i = 0; i < TULIP_NTXDESC; i++) { 1832 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1833 sc->sc_txdescs[i].td_bufaddr2 = 1834 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1835 } 1836 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1837 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1838 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1839 sc->sc_txfree = TULIP_NTXDESC; 1840 sc->sc_txnext = 0; 1841 1842 /* 1843 * Initialize the transmit job descriptors. 1844 */ 1845 SIMPLEQ_INIT(&sc->sc_txfreeq); 1846 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1847 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1848 txs = &sc->sc_txsoft[i]; 1849 txs->txs_mbuf = NULL; 1850 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1851 } 1852 1853 /* 1854 * Initialize the receive descriptor and receive job 1855 * descriptor rings. 1856 */ 1857 for (i = 0; i < TULIP_NRXDESC; i++) { 1858 rxs = &sc->sc_rxsoft[i]; 1859 if (rxs->rxs_mbuf == NULL) { 1860 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1861 printf("%s: unable to allocate or map rx " 1862 "buffer %d, error = %d\n", 1863 sc->sc_dev.dv_xname, i, error); 1864 /* 1865 * XXX Should attempt to run with fewer receive 1866 * XXX buffers instead of just failing. 1867 */ 1868 tlp_rxdrain(sc); 1869 goto out; 1870 } 1871 } 1872 } 1873 sc->sc_rxptr = 0; 1874 1875 /* 1876 * Initialize the interrupt mask and enable interrupts. 1877 */ 1878 /* normal interrupts */ 1879 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1880 1881 /* abnormal interrupts */ 1882 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1883 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1884 1885 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1886 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1887 1888 switch (sc->sc_chip) { 1889 case TULIP_CHIP_WB89C840F: 1890 /* 1891 * Clear bits that we don't want that happen to 1892 * overlap or don't exist. 1893 */ 1894 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1895 break; 1896 1897 default: 1898 /* Nothing. */ 1899 } 1900 1901 sc->sc_rxint_mask &= sc->sc_inten; 1902 sc->sc_txint_mask &= sc->sc_inten; 1903 1904 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1905 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1906 1907 /* 1908 * Give the transmit and receive rings to the Tulip. 1909 */ 1910 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1911 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1912 1913 /* 1914 * On chips that do this differently, set the station address. 1915 */ 1916 switch (sc->sc_chip) { 1917 case TULIP_CHIP_WB89C840F: 1918 { 1919 /* XXX Do this with stream writes? */ 1920 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1921 1922 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1923 bus_space_write_1(sc->sc_st, sc->sc_sh, 1924 cpa + i, LLADDR(ifp->if_sadl)[i]); 1925 } 1926 break; 1927 } 1928 1929 case TULIP_CHIP_AL981: 1930 case TULIP_CHIP_AN983: 1931 case TULIP_CHIP_AN985: 1932 { 1933 u_int32_t reg; 1934 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1935 1936 reg = enaddr[0] | 1937 (enaddr[1] << 8) | 1938 (enaddr[2] << 16) | 1939 (enaddr[3] << 24); 1940 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1941 1942 reg = enaddr[4] | 1943 (enaddr[5] << 8); 1944 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1945 } 1946 1947 default: 1948 /* Nothing. */ 1949 } 1950 1951 /* 1952 * Set the receive filter. This will start the transmit and 1953 * receive processes. 1954 */ 1955 (*sc->sc_filter_setup)(sc); 1956 1957 /* 1958 * Set the current media. 1959 */ 1960 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1961 1962 /* 1963 * Start the receive process. 1964 */ 1965 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1966 1967 if (sc->sc_tick != NULL) { 1968 /* Start the one second clock. */ 1969 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1970 } 1971 1972 /* 1973 * Note that the interface is now running. 1974 */ 1975 ifp->if_flags |= IFF_RUNNING; 1976 ifp->if_flags &= ~IFF_OACTIVE; 1977 1978 out: 1979 if (error) 1980 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1981 return (error); 1982 } 1983 1984 /* 1985 * tlp_enable: 1986 * 1987 * Enable the Tulip chip. 1988 */ 1989 int 1990 tlp_enable(sc) 1991 struct tulip_softc *sc; 1992 { 1993 1994 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1995 if ((*sc->sc_enable)(sc) != 0) { 1996 printf("%s: device enable failed\n", 1997 sc->sc_dev.dv_xname); 1998 return (EIO); 1999 } 2000 sc->sc_flags |= TULIPF_ENABLED; 2001 } 2002 return (0); 2003 } 2004 2005 /* 2006 * tlp_disable: 2007 * 2008 * Disable the Tulip chip. 2009 */ 2010 void 2011 tlp_disable(sc) 2012 struct tulip_softc *sc; 2013 { 2014 2015 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 2016 (*sc->sc_disable)(sc); 2017 sc->sc_flags &= ~TULIPF_ENABLED; 2018 } 2019 } 2020 2021 /* 2022 * tlp_power: 2023 * 2024 * Power management (suspend/resume) hook. 2025 */ 2026 void 2027 tlp_power(why, arg) 2028 int why; 2029 void *arg; 2030 { 2031 struct tulip_softc *sc = arg; 2032 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2033 int s; 2034 2035 s = splnet(); 2036 if (why != PWR_RESUME) { 2037 tlp_stop(sc, 0); 2038 if (sc->sc_power != NULL) 2039 (*sc->sc_power)(sc, why); 2040 } else if (ifp->if_flags & IFF_UP) { 2041 if (sc->sc_power != NULL) 2042 (*sc->sc_power)(sc, why); 2043 tlp_init(sc); 2044 } 2045 splx(s); 2046 } 2047 2048 /* 2049 * tlp_rxdrain: 2050 * 2051 * Drain the receive queue. 2052 */ 2053 void 2054 tlp_rxdrain(sc) 2055 struct tulip_softc *sc; 2056 { 2057 struct tulip_rxsoft *rxs; 2058 int i; 2059 2060 for (i = 0; i < TULIP_NRXDESC; i++) { 2061 rxs = &sc->sc_rxsoft[i]; 2062 if (rxs->rxs_mbuf != NULL) { 2063 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2064 m_freem(rxs->rxs_mbuf); 2065 rxs->rxs_mbuf = NULL; 2066 } 2067 } 2068 } 2069 2070 /* 2071 * tlp_stop: 2072 * 2073 * Stop transmission on the interface. 2074 */ 2075 void 2076 tlp_stop(sc, drain) 2077 struct tulip_softc *sc; 2078 int drain; 2079 { 2080 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2081 struct tulip_txsoft *txs; 2082 2083 if (sc->sc_tick != NULL) { 2084 /* Stop the one second clock. */ 2085 callout_stop(&sc->sc_tick_callout); 2086 } 2087 2088 if (sc->sc_flags & TULIPF_HAS_MII) { 2089 /* Down the MII. */ 2090 mii_down(&sc->sc_mii); 2091 } 2092 2093 /* Disable interrupts. */ 2094 TULIP_WRITE(sc, CSR_INTEN, 0); 2095 2096 /* Stop the transmit and receive processes. */ 2097 sc->sc_opmode = 0; 2098 TULIP_WRITE(sc, CSR_OPMODE, 0); 2099 TULIP_WRITE(sc, CSR_RXLIST, 0); 2100 TULIP_WRITE(sc, CSR_TXLIST, 0); 2101 2102 /* 2103 * Release any queued transmit buffers. 2104 */ 2105 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2106 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2107 if (txs->txs_mbuf != NULL) { 2108 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2109 m_freem(txs->txs_mbuf); 2110 txs->txs_mbuf = NULL; 2111 } 2112 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2113 } 2114 2115 if (drain) { 2116 /* 2117 * Release the receive buffers. 2118 */ 2119 tlp_rxdrain(sc); 2120 } 2121 2122 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2123 2124 /* 2125 * Mark the interface down and cancel the watchdog timer. 2126 */ 2127 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2128 ifp->if_timer = 0; 2129 } 2130 2131 #define SROM_EMIT(sc, x) \ 2132 do { \ 2133 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2134 delay(2); \ 2135 } while (0) 2136 2137 /* 2138 * tlp_srom_idle: 2139 * 2140 * Put the SROM in idle state. 2141 */ 2142 void 2143 tlp_srom_idle(sc) 2144 struct tulip_softc *sc; 2145 { 2146 u_int32_t miirom; 2147 int i; 2148 2149 miirom = MIIROM_SR; 2150 SROM_EMIT(sc, miirom); 2151 2152 miirom |= MIIROM_RD; 2153 SROM_EMIT(sc, miirom); 2154 2155 miirom |= MIIROM_SROMCS; 2156 SROM_EMIT(sc, miirom); 2157 2158 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2159 2160 /* Strobe the clock 32 times. */ 2161 for (i = 0; i < 32; i++) { 2162 SROM_EMIT(sc, miirom); 2163 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2164 } 2165 2166 SROM_EMIT(sc, miirom); 2167 2168 miirom &= ~MIIROM_SROMCS; 2169 SROM_EMIT(sc, miirom); 2170 2171 SROM_EMIT(sc, 0); 2172 } 2173 2174 /* 2175 * tlp_srom_size: 2176 * 2177 * Determine the number of address bits in the SROM. 2178 */ 2179 int 2180 tlp_srom_size(sc) 2181 struct tulip_softc *sc; 2182 { 2183 u_int32_t miirom; 2184 int x; 2185 2186 /* Select the SROM. */ 2187 miirom = MIIROM_SR; 2188 SROM_EMIT(sc, miirom); 2189 2190 miirom |= MIIROM_RD; 2191 SROM_EMIT(sc, miirom); 2192 2193 /* Send CHIP SELECT for one clock tick. */ 2194 miirom |= MIIROM_SROMCS; 2195 SROM_EMIT(sc, miirom); 2196 2197 /* Shift in the READ opcode. */ 2198 for (x = 3; x > 0; x--) { 2199 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2200 miirom |= MIIROM_SROMDI; 2201 else 2202 miirom &= ~MIIROM_SROMDI; 2203 SROM_EMIT(sc, miirom); 2204 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2205 SROM_EMIT(sc, miirom); 2206 } 2207 2208 /* Shift in address and look for dummy 0 bit. */ 2209 for (x = 1; x <= 12; x++) { 2210 miirom &= ~MIIROM_SROMDI; 2211 SROM_EMIT(sc, miirom); 2212 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2213 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2214 break; 2215 SROM_EMIT(sc, miirom); 2216 } 2217 2218 /* Clear CHIP SELECT. */ 2219 miirom &= ~MIIROM_SROMCS; 2220 SROM_EMIT(sc, miirom); 2221 2222 /* Deselect the SROM. */ 2223 SROM_EMIT(sc, 0); 2224 2225 if (x < 4 || x > 12) { 2226 printf("%s: broken MicroWire interface detected; " 2227 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2228 return (6); 2229 } else { 2230 if (tlp_srom_debug) 2231 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2232 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2233 return (x); 2234 } 2235 } 2236 2237 /* 2238 * tlp_read_srom: 2239 * 2240 * Read the Tulip SROM. 2241 */ 2242 int 2243 tlp_read_srom(sc) 2244 struct tulip_softc *sc; 2245 { 2246 int size; 2247 u_int32_t miirom; 2248 u_int16_t datain; 2249 int i, x; 2250 2251 tlp_srom_idle(sc); 2252 2253 sc->sc_srom_addrbits = tlp_srom_size(sc); 2254 if (sc->sc_srom_addrbits == 0) 2255 return (0); 2256 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2257 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2258 2259 /* Select the SROM. */ 2260 miirom = MIIROM_SR; 2261 SROM_EMIT(sc, miirom); 2262 2263 miirom |= MIIROM_RD; 2264 SROM_EMIT(sc, miirom); 2265 2266 for (i = 0; i < size; i += 2) { 2267 /* Send CHIP SELECT for one clock tick. */ 2268 miirom |= MIIROM_SROMCS; 2269 SROM_EMIT(sc, miirom); 2270 2271 /* Shift in the READ opcode. */ 2272 for (x = 3; x > 0; x--) { 2273 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2274 miirom |= MIIROM_SROMDI; 2275 else 2276 miirom &= ~MIIROM_SROMDI; 2277 SROM_EMIT(sc, miirom); 2278 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2279 SROM_EMIT(sc, miirom); 2280 } 2281 2282 /* Shift in address. */ 2283 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2284 if (i & (1 << x)) 2285 miirom |= MIIROM_SROMDI; 2286 else 2287 miirom &= ~MIIROM_SROMDI; 2288 SROM_EMIT(sc, miirom); 2289 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2290 SROM_EMIT(sc, miirom); 2291 } 2292 2293 /* Shift out data. */ 2294 miirom &= ~MIIROM_SROMDI; 2295 datain = 0; 2296 for (x = 16; x > 0; x--) { 2297 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2298 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2299 datain |= (1 << (x - 1)); 2300 SROM_EMIT(sc, miirom); 2301 } 2302 sc->sc_srom[i] = datain & 0xff; 2303 sc->sc_srom[i + 1] = datain >> 8; 2304 2305 /* Clear CHIP SELECT. */ 2306 miirom &= ~MIIROM_SROMCS; 2307 SROM_EMIT(sc, miirom); 2308 } 2309 2310 /* Deselect the SROM. */ 2311 SROM_EMIT(sc, 0); 2312 2313 /* ...and idle it. */ 2314 tlp_srom_idle(sc); 2315 2316 if (tlp_srom_debug) { 2317 printf("SROM CONTENTS:"); 2318 for (i = 0; i < size; i++) { 2319 if ((i % 8) == 0) 2320 printf("\n\t"); 2321 printf("0x%02x ", sc->sc_srom[i]); 2322 } 2323 printf("\n"); 2324 } 2325 2326 return (1); 2327 } 2328 2329 #undef SROM_EMIT 2330 2331 /* 2332 * tlp_add_rxbuf: 2333 * 2334 * Add a receive buffer to the indicated descriptor. 2335 */ 2336 int 2337 tlp_add_rxbuf(sc, idx) 2338 struct tulip_softc *sc; 2339 int idx; 2340 { 2341 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2342 struct mbuf *m; 2343 int error; 2344 2345 MGETHDR(m, M_DONTWAIT, MT_DATA); 2346 if (m == NULL) 2347 return (ENOBUFS); 2348 2349 MCLGET(m, M_DONTWAIT); 2350 if ((m->m_flags & M_EXT) == 0) { 2351 m_freem(m); 2352 return (ENOBUFS); 2353 } 2354 2355 if (rxs->rxs_mbuf != NULL) 2356 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2357 2358 rxs->rxs_mbuf = m; 2359 2360 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2361 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2362 if (error) { 2363 printf("%s: can't load rx DMA map %d, error = %d\n", 2364 sc->sc_dev.dv_xname, idx, error); 2365 panic("tlp_add_rxbuf"); /* XXX */ 2366 } 2367 2368 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2369 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2370 2371 TULIP_INIT_RXDESC(sc, idx); 2372 2373 return (0); 2374 } 2375 2376 /* 2377 * tlp_srom_crcok: 2378 * 2379 * Check the CRC of the Tulip SROM. 2380 */ 2381 int 2382 tlp_srom_crcok(romdata) 2383 const u_int8_t *romdata; 2384 { 2385 u_int32_t crc; 2386 2387 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2388 crc = (crc & 0xffff) ^ 0xffff; 2389 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2390 return (1); 2391 2392 /* 2393 * Try an alternate checksum. 2394 */ 2395 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2396 crc = (crc & 0xffff) ^ 0xffff; 2397 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2398 return (1); 2399 2400 return (0); 2401 } 2402 2403 /* 2404 * tlp_isv_srom: 2405 * 2406 * Check to see if the SROM is in the new standardized format. 2407 */ 2408 int 2409 tlp_isv_srom(romdata) 2410 const u_int8_t *romdata; 2411 { 2412 int i; 2413 u_int16_t cksum; 2414 2415 if (tlp_srom_crcok(romdata)) { 2416 /* 2417 * SROM CRC checks out; must be in the new format. 2418 */ 2419 return (1); 2420 } 2421 2422 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2423 if (cksum == 0xffff || cksum == 0) { 2424 /* 2425 * No checksum present. Check the SROM ID; 18 bytes of 0 2426 * followed by 1 (version) followed by the number of 2427 * adapters which use this SROM (should be non-zero). 2428 */ 2429 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2430 if (romdata[i] != 0) 2431 return (0); 2432 } 2433 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2434 return (0); 2435 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2436 return (0); 2437 return (1); 2438 } 2439 2440 return (0); 2441 } 2442 2443 /* 2444 * tlp_isv_srom_enaddr: 2445 * 2446 * Get the Ethernet address from an ISV SROM. 2447 */ 2448 int 2449 tlp_isv_srom_enaddr(sc, enaddr) 2450 struct tulip_softc *sc; 2451 u_int8_t *enaddr; 2452 { 2453 int i, devcnt; 2454 2455 if (tlp_isv_srom(sc->sc_srom) == 0) 2456 return (0); 2457 2458 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2459 for (i = 0; i < devcnt; i++) { 2460 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2461 break; 2462 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2463 sc->sc_devno) 2464 break; 2465 } 2466 2467 if (i == devcnt) 2468 return (0); 2469 2470 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2471 ETHER_ADDR_LEN); 2472 enaddr[5] += i; 2473 2474 return (1); 2475 } 2476 2477 /* 2478 * tlp_parse_old_srom: 2479 * 2480 * Parse old-format SROMs. 2481 * 2482 * This routine is largely lifted from Matt Thomas's `de' driver. 2483 */ 2484 int 2485 tlp_parse_old_srom(sc, enaddr) 2486 struct tulip_softc *sc; 2487 u_int8_t *enaddr; 2488 { 2489 static const u_int8_t testpat[] = 2490 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2491 int i; 2492 u_int32_t cksum; 2493 2494 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2495 /* 2496 * Some vendors (e.g. ZNYX) don't use the standard 2497 * DEC Address ROM format, but rather just have an 2498 * Ethernet address in the first 6 bytes, maybe a 2499 * 2 byte checksum, and then all 0xff's. 2500 * 2501 * On the other hand, Cobalt Networks interfaces 2502 * simply have the address in the first six bytes 2503 * with the rest zeroed out. 2504 */ 2505 for (i = 8; i < 32; i++) { 2506 if (sc->sc_srom[i] != 0xff && 2507 sc->sc_srom[i] != 0) 2508 return (0); 2509 } 2510 2511 /* 2512 * Sanity check the Ethernet address: 2513 * 2514 * - Make sure it's not multicast or locally 2515 * assigned 2516 * - Make sure it has a non-0 OUI 2517 */ 2518 if (sc->sc_srom[0] & 3) 2519 return (0); 2520 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2521 sc->sc_srom[2] == 0) 2522 return (0); 2523 2524 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2525 return (1); 2526 } 2527 2528 /* 2529 * Standard DEC Address ROM test. 2530 */ 2531 2532 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2533 return (0); 2534 2535 for (i = 0; i < 8; i++) { 2536 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2537 return (0); 2538 } 2539 2540 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2541 2542 cksum = *(u_int16_t *) &enaddr[0]; 2543 2544 cksum <<= 1; 2545 if (cksum > 0xffff) 2546 cksum -= 0xffff; 2547 2548 cksum += *(u_int16_t *) &enaddr[2]; 2549 if (cksum > 0xffff) 2550 cksum -= 0xffff; 2551 2552 cksum <<= 1; 2553 if (cksum > 0xffff) 2554 cksum -= 0xffff; 2555 2556 cksum += *(u_int16_t *) &enaddr[4]; 2557 if (cksum >= 0xffff) 2558 cksum -= 0xffff; 2559 2560 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2561 return (0); 2562 2563 return (1); 2564 } 2565 2566 /* 2567 * tlp_filter_setup: 2568 * 2569 * Set the Tulip's receive filter. 2570 */ 2571 void 2572 tlp_filter_setup(sc) 2573 struct tulip_softc *sc; 2574 { 2575 struct ethercom *ec = &sc->sc_ethercom; 2576 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2577 struct ether_multi *enm; 2578 struct ether_multistep step; 2579 __volatile u_int32_t *sp; 2580 struct tulip_txsoft *txs; 2581 u_int8_t enaddr[ETHER_ADDR_LEN]; 2582 u_int32_t hash, hashsize; 2583 int cnt; 2584 2585 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2586 sc->sc_dev.dv_xname, sc->sc_flags)); 2587 2588 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2589 2590 /* 2591 * If there are transmissions pending, wait until they have 2592 * completed. 2593 */ 2594 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2595 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2596 sc->sc_flags |= TULIPF_WANT_SETUP; 2597 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2598 sc->sc_dev.dv_xname)); 2599 return; 2600 } 2601 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2602 2603 switch (sc->sc_chip) { 2604 case TULIP_CHIP_82C115: 2605 hashsize = TULIP_PNICII_HASHSIZE; 2606 break; 2607 2608 default: 2609 hashsize = TULIP_MCHASHSIZE; 2610 } 2611 2612 /* 2613 * If we're running, idle the transmit and receive engines. If 2614 * we're NOT running, we're being called from tlp_init(), and our 2615 * writing OPMODE will start the transmit and receive processes 2616 * in motion. 2617 */ 2618 if (ifp->if_flags & IFF_RUNNING) 2619 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2620 2621 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2622 2623 if (ifp->if_flags & IFF_PROMISC) { 2624 sc->sc_opmode |= OPMODE_PR; 2625 goto allmulti; 2626 } 2627 2628 /* 2629 * Try Perfect filtering first. 2630 */ 2631 2632 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2633 sp = TULIP_CDSP(sc); 2634 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2635 cnt = 0; 2636 ETHER_FIRST_MULTI(step, ec, enm); 2637 while (enm != NULL) { 2638 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2639 /* 2640 * We must listen to a range of multicast addresses. 2641 * For now, just accept all multicasts, rather than 2642 * trying to set only those filter bits needed to match 2643 * the range. (At this time, the only use of address 2644 * ranges is for IP multicast routing, for which the 2645 * range is big enough to require all bits set.) 2646 */ 2647 goto allmulti; 2648 } 2649 if (cnt == (TULIP_MAXADDRS - 2)) { 2650 /* 2651 * We already have our multicast limit (still need 2652 * our station address and broadcast). Go to 2653 * Hash-Perfect mode. 2654 */ 2655 goto hashperfect; 2656 } 2657 cnt++; 2658 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2659 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2660 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2661 ETHER_NEXT_MULTI(step, enm); 2662 } 2663 2664 if (ifp->if_flags & IFF_BROADCAST) { 2665 /* ...and the broadcast address. */ 2666 cnt++; 2667 *sp++ = TULIP_SP_FIELD_C(0xffff); 2668 *sp++ = TULIP_SP_FIELD_C(0xffff); 2669 *sp++ = TULIP_SP_FIELD_C(0xffff); 2670 } 2671 2672 /* Pad the rest with our station address. */ 2673 for (; cnt < TULIP_MAXADDRS; cnt++) { 2674 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2675 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2676 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2677 } 2678 ifp->if_flags &= ~IFF_ALLMULTI; 2679 goto setit; 2680 2681 hashperfect: 2682 /* 2683 * Try Hash-Perfect mode. 2684 */ 2685 2686 /* 2687 * Some 21140 chips have broken Hash-Perfect modes. On these 2688 * chips, we simply use Hash-Only mode, and put our station 2689 * address into the filter. 2690 */ 2691 if (sc->sc_chip == TULIP_CHIP_21140) 2692 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2693 else 2694 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2695 sp = TULIP_CDSP(sc); 2696 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2697 ETHER_FIRST_MULTI(step, ec, enm); 2698 while (enm != NULL) { 2699 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2700 /* 2701 * We must listen to a range of multicast addresses. 2702 * For now, just accept all multicasts, rather than 2703 * trying to set only those filter bits needed to match 2704 * the range. (At this time, the only use of address 2705 * ranges is for IP multicast routing, for which the 2706 * range is big enough to require all bits set.) 2707 */ 2708 goto allmulti; 2709 } 2710 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2711 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2712 ETHER_NEXT_MULTI(step, enm); 2713 } 2714 2715 if (ifp->if_flags & IFF_BROADCAST) { 2716 /* ...and the broadcast address. */ 2717 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2718 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2719 } 2720 2721 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2722 /* ...and our station address. */ 2723 hash = tlp_mchash(enaddr, hashsize); 2724 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2725 } else { 2726 /* 2727 * Hash-Perfect mode; put our station address after 2728 * the hash table. 2729 */ 2730 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2731 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2732 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2733 } 2734 ifp->if_flags &= ~IFF_ALLMULTI; 2735 goto setit; 2736 2737 allmulti: 2738 /* 2739 * Use Perfect filter mode. First address is the broadcast address, 2740 * and pad the rest with our station address. We'll set Pass-all- 2741 * multicast in OPMODE below. 2742 */ 2743 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2744 sp = TULIP_CDSP(sc); 2745 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2746 cnt = 0; 2747 if (ifp->if_flags & IFF_BROADCAST) { 2748 cnt++; 2749 *sp++ = TULIP_SP_FIELD_C(0xffff); 2750 *sp++ = TULIP_SP_FIELD_C(0xffff); 2751 *sp++ = TULIP_SP_FIELD_C(0xffff); 2752 } 2753 for (; cnt < TULIP_MAXADDRS; cnt++) { 2754 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2755 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2756 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2757 } 2758 ifp->if_flags |= IFF_ALLMULTI; 2759 2760 setit: 2761 if (ifp->if_flags & IFF_ALLMULTI) 2762 sc->sc_opmode |= OPMODE_PM; 2763 2764 /* Sync the setup packet buffer. */ 2765 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2766 2767 /* 2768 * Fill in the setup packet descriptor. 2769 */ 2770 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2771 2772 txs->txs_firstdesc = sc->sc_txnext; 2773 txs->txs_lastdesc = sc->sc_txnext; 2774 txs->txs_ndescs = 1; 2775 txs->txs_mbuf = NULL; 2776 2777 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2778 htole32(TULIP_CDSPADDR(sc)); 2779 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2780 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2781 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2782 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2783 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2784 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2785 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2786 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2787 2788 /* Advance the tx pointer. */ 2789 sc->sc_txfree -= 1; 2790 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2791 2792 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2793 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2794 2795 /* 2796 * Set the OPMODE register. This will also resume the 2797 * transmit transmit process we idled above. 2798 */ 2799 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2800 2801 sc->sc_flags |= TULIPF_DOING_SETUP; 2802 2803 /* 2804 * Kick the transmitter; this will cause the Tulip to 2805 * read the setup descriptor. 2806 */ 2807 /* XXX USE AUTOPOLLING? */ 2808 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2809 2810 /* Set up a watchdog timer in case the chip flakes out. */ 2811 ifp->if_timer = 5; 2812 2813 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2814 } 2815 2816 /* 2817 * tlp_winb_filter_setup: 2818 * 2819 * Set the Winbond 89C840F's receive filter. 2820 */ 2821 void 2822 tlp_winb_filter_setup(sc) 2823 struct tulip_softc *sc; 2824 { 2825 struct ethercom *ec = &sc->sc_ethercom; 2826 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2827 struct ether_multi *enm; 2828 struct ether_multistep step; 2829 u_int32_t hash, mchash[2]; 2830 2831 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2832 sc->sc_dev.dv_xname, sc->sc_flags)); 2833 2834 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2835 2836 if (ifp->if_flags & IFF_MULTICAST) 2837 sc->sc_opmode |= OPMODE_WINB_AMP; 2838 2839 if (ifp->if_flags & IFF_BROADCAST) 2840 sc->sc_opmode |= OPMODE_WINB_ABP; 2841 2842 if (ifp->if_flags & IFF_PROMISC) { 2843 sc->sc_opmode |= OPMODE_WINB_APP; 2844 goto allmulti; 2845 } 2846 2847 mchash[0] = mchash[1] = 0; 2848 2849 ETHER_FIRST_MULTI(step, ec, enm); 2850 while (enm != NULL) { 2851 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2852 /* 2853 * We must listen to a range of multicast addresses. 2854 * For now, just accept all multicasts, rather than 2855 * trying to set only those filter bits needed to match 2856 * the range. (At this time, the only use of address 2857 * ranges is for IP multicast routing, for which the 2858 * range is big enough to require all bits set.) 2859 */ 2860 goto allmulti; 2861 } 2862 2863 /* 2864 * According to the FreeBSD `wb' driver, yes, you 2865 * really do invert the hash. 2866 */ 2867 hash = 2868 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2869 & 0x3f; 2870 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2871 ETHER_NEXT_MULTI(step, enm); 2872 } 2873 ifp->if_flags &= ~IFF_ALLMULTI; 2874 goto setit; 2875 2876 allmulti: 2877 ifp->if_flags |= IFF_ALLMULTI; 2878 mchash[0] = mchash[1] = 0xffffffff; 2879 2880 setit: 2881 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2882 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2883 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2884 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2885 sc->sc_dev.dv_xname)); 2886 } 2887 2888 /* 2889 * tlp_al981_filter_setup: 2890 * 2891 * Set the ADMtek AL981's receive filter. 2892 */ 2893 void 2894 tlp_al981_filter_setup(sc) 2895 struct tulip_softc *sc; 2896 { 2897 struct ethercom *ec = &sc->sc_ethercom; 2898 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2899 struct ether_multi *enm; 2900 struct ether_multistep step; 2901 u_int32_t hash, mchash[2]; 2902 2903 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2904 sc->sc_dev.dv_xname, sc->sc_flags)); 2905 2906 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2907 2908 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2909 2910 if (ifp->if_flags & IFF_PROMISC) { 2911 sc->sc_opmode |= OPMODE_PR; 2912 goto allmulti; 2913 } 2914 2915 mchash[0] = mchash[1] = 0; 2916 2917 ETHER_FIRST_MULTI(step, ec, enm); 2918 while (enm != NULL) { 2919 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2920 /* 2921 * We must listen to a range of multicast addresses. 2922 * For now, just accept all multicasts, rather than 2923 * trying to set only those filter bits needed to match 2924 * the range. (At this time, the only use of address 2925 * ranges is for IP multicast routing, for which the 2926 * range is big enough to require all bits set.) 2927 */ 2928 goto allmulti; 2929 } 2930 2931 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2932 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2933 ETHER_NEXT_MULTI(step, enm); 2934 } 2935 ifp->if_flags &= ~IFF_ALLMULTI; 2936 goto setit; 2937 2938 allmulti: 2939 ifp->if_flags |= IFF_ALLMULTI; 2940 mchash[0] = mchash[1] = 0xffffffff; 2941 2942 setit: 2943 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2944 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2945 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2946 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2947 sc->sc_dev.dv_xname)); 2948 } 2949 2950 /* 2951 * tlp_idle: 2952 * 2953 * Cause the transmit and/or receive processes to go idle. 2954 */ 2955 void 2956 tlp_idle(sc, bits) 2957 struct tulip_softc *sc; 2958 u_int32_t bits; 2959 { 2960 static const char *tlp_tx_state_names[] = { 2961 "STOPPED", 2962 "RUNNING - FETCH", 2963 "RUNNING - WAIT", 2964 "RUNNING - READING", 2965 "-- RESERVED --", 2966 "RUNNING - SETUP", 2967 "SUSPENDED", 2968 "RUNNING - CLOSE", 2969 }; 2970 static const char *tlp_rx_state_names[] = { 2971 "STOPPED", 2972 "RUNNING - FETCH", 2973 "RUNNING - CHECK", 2974 "RUNNING - WAIT", 2975 "SUSPENDED", 2976 "RUNNING - CLOSE", 2977 "RUNNING - FLUSH", 2978 "RUNNING - QUEUE", 2979 }; 2980 static const char *dm9102_tx_state_names[] = { 2981 "STOPPED", 2982 "RUNNING - FETCH", 2983 "RUNNING - SETUP", 2984 "RUNNING - READING", 2985 "RUNNING - CLOSE - CLEAR OWNER", 2986 "RUNNING - WAIT", 2987 "RUNNING - CLOSE - WRITE STATUS", 2988 "SUSPENDED", 2989 }; 2990 static const char *dm9102_rx_state_names[] = { 2991 "STOPPED", 2992 "RUNNING - FETCH", 2993 "RUNNING - WAIT", 2994 "RUNNING - QUEUE", 2995 "RUNNING - CLOSE - CLEAR OWNER", 2996 "RUNNING - CLOSE - WRITE STATUS", 2997 "SUSPENDED", 2998 "RUNNING - FLUSH", 2999 }; 3000 3001 const char **tx_state_names, **rx_state_names; 3002 u_int32_t csr, ackmask = 0; 3003 int i; 3004 3005 switch (sc->sc_chip) { 3006 case TULIP_CHIP_DM9102: 3007 case TULIP_CHIP_DM9102A: 3008 tx_state_names = dm9102_tx_state_names; 3009 rx_state_names = dm9102_rx_state_names; 3010 break; 3011 3012 default: 3013 tx_state_names = tlp_tx_state_names; 3014 rx_state_names = tlp_rx_state_names; 3015 break; 3016 } 3017 3018 if (bits & OPMODE_ST) 3019 ackmask |= STATUS_TPS; 3020 3021 if (bits & OPMODE_SR) 3022 ackmask |= STATUS_RPS; 3023 3024 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3025 3026 for (i = 0; i < 1000; i++) { 3027 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3028 break; 3029 delay(10); 3030 } 3031 3032 csr = TULIP_READ(sc, CSR_STATUS); 3033 if ((csr & ackmask) != ackmask) { 3034 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3035 (csr & STATUS_TS) != STATUS_TS_STOPPED) 3036 printf("%s: transmit process failed to idle: " 3037 "state %s\n", sc->sc_dev.dv_xname, 3038 tx_state_names[(csr & STATUS_TS) >> 20]); 3039 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3040 (csr & STATUS_RS) != STATUS_RS_STOPPED) 3041 printf("%s: receive process failed to idle: " 3042 "state %s\n", sc->sc_dev.dv_xname, 3043 rx_state_names[(csr & STATUS_RS) >> 17]); 3044 } 3045 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3046 } 3047 3048 /***************************************************************************** 3049 * Generic media support functions. 3050 *****************************************************************************/ 3051 3052 /* 3053 * tlp_mediastatus: [ifmedia interface function] 3054 * 3055 * Query the current media. 3056 */ 3057 void 3058 tlp_mediastatus(ifp, ifmr) 3059 struct ifnet *ifp; 3060 struct ifmediareq *ifmr; 3061 { 3062 struct tulip_softc *sc = ifp->if_softc; 3063 3064 if (TULIP_IS_ENABLED(sc) == 0) { 3065 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3066 ifmr->ifm_status = 0; 3067 return; 3068 } 3069 3070 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3071 } 3072 3073 /* 3074 * tlp_mediachange: [ifmedia interface function] 3075 * 3076 * Update the current media. 3077 */ 3078 int 3079 tlp_mediachange(ifp) 3080 struct ifnet *ifp; 3081 { 3082 struct tulip_softc *sc = ifp->if_softc; 3083 3084 if ((ifp->if_flags & IFF_UP) == 0) 3085 return (0); 3086 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3087 } 3088 3089 /***************************************************************************** 3090 * Support functions for MII-attached media. 3091 *****************************************************************************/ 3092 3093 /* 3094 * tlp_mii_tick: 3095 * 3096 * One second timer, used to tick the MII. 3097 */ 3098 void 3099 tlp_mii_tick(arg) 3100 void *arg; 3101 { 3102 struct tulip_softc *sc = arg; 3103 int s; 3104 3105 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3106 return; 3107 3108 s = splnet(); 3109 mii_tick(&sc->sc_mii); 3110 splx(s); 3111 3112 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3113 } 3114 3115 /* 3116 * tlp_mii_statchg: [mii interface function] 3117 * 3118 * Callback from PHY when media changes. 3119 */ 3120 void 3121 tlp_mii_statchg(self) 3122 struct device *self; 3123 { 3124 struct tulip_softc *sc = (struct tulip_softc *)self; 3125 3126 /* Idle the transmit and receive processes. */ 3127 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3128 3129 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3130 3131 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3132 sc->sc_opmode |= OPMODE_TTM; 3133 else 3134 sc->sc_opmode |= OPMODE_HBD; 3135 3136 if (sc->sc_mii.mii_media_active & IFM_FDX) 3137 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3138 3139 /* 3140 * Write new OPMODE bits. This also restarts the transmit 3141 * and receive processes. 3142 */ 3143 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3144 } 3145 3146 /* 3147 * tlp_winb_mii_statchg: [mii interface function] 3148 * 3149 * Callback from PHY when media changes. This version is 3150 * for the Winbond 89C840F, which has different OPMODE bits. 3151 */ 3152 void 3153 tlp_winb_mii_statchg(self) 3154 struct device *self; 3155 { 3156 struct tulip_softc *sc = (struct tulip_softc *)self; 3157 3158 /* Idle the transmit and receive processes. */ 3159 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3160 3161 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3162 3163 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3164 sc->sc_opmode |= OPMODE_WINB_FES; 3165 3166 if (sc->sc_mii.mii_media_active & IFM_FDX) 3167 sc->sc_opmode |= OPMODE_FD; 3168 3169 /* 3170 * Write new OPMODE bits. This also restarts the transmit 3171 * and receive processes. 3172 */ 3173 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3174 } 3175 3176 /* 3177 * tlp_dm9102_mii_statchg: [mii interface function] 3178 * 3179 * Callback from PHY when media changes. This version is 3180 * for the DM9102. 3181 */ 3182 void 3183 tlp_dm9102_mii_statchg(self) 3184 struct device *self; 3185 { 3186 struct tulip_softc *sc = (struct tulip_softc *)self; 3187 3188 /* 3189 * Don't idle the transmit and receive processes, here. It 3190 * seems to fail, and just causes excess noise. 3191 */ 3192 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3193 3194 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3195 sc->sc_opmode |= OPMODE_TTM; 3196 3197 if (sc->sc_mii.mii_media_active & IFM_FDX) 3198 sc->sc_opmode |= OPMODE_FD; 3199 3200 /* 3201 * Write new OPMODE bits. 3202 */ 3203 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3204 } 3205 3206 /* 3207 * tlp_mii_getmedia: 3208 * 3209 * Callback from ifmedia to request current media status. 3210 */ 3211 void 3212 tlp_mii_getmedia(sc, ifmr) 3213 struct tulip_softc *sc; 3214 struct ifmediareq *ifmr; 3215 { 3216 3217 mii_pollstat(&sc->sc_mii); 3218 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3219 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3220 } 3221 3222 /* 3223 * tlp_mii_setmedia: 3224 * 3225 * Callback from ifmedia to request new media setting. 3226 */ 3227 int 3228 tlp_mii_setmedia(sc) 3229 struct tulip_softc *sc; 3230 { 3231 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3232 3233 if (ifp->if_flags & IFF_UP) { 3234 switch (sc->sc_chip) { 3235 case TULIP_CHIP_21142: 3236 case TULIP_CHIP_21143: 3237 /* Disable the internal Nway engine. */ 3238 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3239 break; 3240 3241 default: 3242 /* Nothing. */ 3243 } 3244 mii_mediachg(&sc->sc_mii); 3245 } 3246 return (0); 3247 } 3248 3249 /* 3250 * tlp_bitbang_mii_readreg: 3251 * 3252 * Read a PHY register via bit-bang'ing the MII. 3253 */ 3254 int 3255 tlp_bitbang_mii_readreg(self, phy, reg) 3256 struct device *self; 3257 int phy, reg; 3258 { 3259 struct tulip_softc *sc = (void *) self; 3260 3261 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3262 } 3263 3264 /* 3265 * tlp_bitbang_mii_writereg: 3266 * 3267 * Write a PHY register via bit-bang'ing the MII. 3268 */ 3269 void 3270 tlp_bitbang_mii_writereg(self, phy, reg, val) 3271 struct device *self; 3272 int phy, reg, val; 3273 { 3274 struct tulip_softc *sc = (void *) self; 3275 3276 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3277 } 3278 3279 /* 3280 * tlp_sio_mii_bitbang_read: 3281 * 3282 * Read the MII serial port for the MII bit-bang module. 3283 */ 3284 u_int32_t 3285 tlp_sio_mii_bitbang_read(self) 3286 struct device *self; 3287 { 3288 struct tulip_softc *sc = (void *) self; 3289 3290 return (TULIP_READ(sc, CSR_MIIROM)); 3291 } 3292 3293 /* 3294 * tlp_sio_mii_bitbang_write: 3295 * 3296 * Write the MII serial port for the MII bit-bang module. 3297 */ 3298 void 3299 tlp_sio_mii_bitbang_write(self, val) 3300 struct device *self; 3301 u_int32_t val; 3302 { 3303 struct tulip_softc *sc = (void *) self; 3304 3305 TULIP_WRITE(sc, CSR_MIIROM, val); 3306 } 3307 3308 /* 3309 * tlp_pnic_mii_readreg: 3310 * 3311 * Read a PHY register on the Lite-On PNIC. 3312 */ 3313 int 3314 tlp_pnic_mii_readreg(self, phy, reg) 3315 struct device *self; 3316 int phy, reg; 3317 { 3318 struct tulip_softc *sc = (void *) self; 3319 u_int32_t val; 3320 int i; 3321 3322 TULIP_WRITE(sc, CSR_PNIC_MII, 3323 PNIC_MII_MBO | PNIC_MII_RESERVED | 3324 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3325 (reg << PNIC_MII_REGSHIFT)); 3326 3327 for (i = 0; i < 1000; i++) { 3328 delay(10); 3329 val = TULIP_READ(sc, CSR_PNIC_MII); 3330 if ((val & PNIC_MII_BUSY) == 0) { 3331 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3332 return (0); 3333 else 3334 return (val & PNIC_MII_DATA); 3335 } 3336 } 3337 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3338 return (0); 3339 } 3340 3341 /* 3342 * tlp_pnic_mii_writereg: 3343 * 3344 * Write a PHY register on the Lite-On PNIC. 3345 */ 3346 void 3347 tlp_pnic_mii_writereg(self, phy, reg, val) 3348 struct device *self; 3349 int phy, reg, val; 3350 { 3351 struct tulip_softc *sc = (void *) self; 3352 int i; 3353 3354 TULIP_WRITE(sc, CSR_PNIC_MII, 3355 PNIC_MII_MBO | PNIC_MII_RESERVED | 3356 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3357 (reg << PNIC_MII_REGSHIFT) | val); 3358 3359 for (i = 0; i < 1000; i++) { 3360 delay(10); 3361 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3362 return; 3363 } 3364 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3365 } 3366 3367 const bus_addr_t tlp_al981_phy_regmap[] = { 3368 CSR_ADM_BMCR, 3369 CSR_ADM_BMSR, 3370 CSR_ADM_PHYIDR1, 3371 CSR_ADM_PHYIDR2, 3372 CSR_ADM_ANAR, 3373 CSR_ADM_ANLPAR, 3374 CSR_ADM_ANER, 3375 3376 CSR_ADM_XMC, 3377 CSR_ADM_XCIIS, 3378 CSR_ADM_XIE, 3379 CSR_ADM_100CTR, 3380 }; 3381 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3382 sizeof(tlp_al981_phy_regmap[0]); 3383 3384 /* 3385 * tlp_al981_mii_readreg: 3386 * 3387 * Read a PHY register on the ADMtek AL981. 3388 */ 3389 int 3390 tlp_al981_mii_readreg(self, phy, reg) 3391 struct device *self; 3392 int phy, reg; 3393 { 3394 struct tulip_softc *sc = (struct tulip_softc *)self; 3395 3396 /* AL981 only has an internal PHY. */ 3397 if (phy != 0) 3398 return (0); 3399 3400 if (reg >= tlp_al981_phy_regmap_size) 3401 return (0); 3402 3403 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3404 tlp_al981_phy_regmap[reg]) & 0xffff); 3405 } 3406 3407 /* 3408 * tlp_al981_mii_writereg: 3409 * 3410 * Write a PHY register on the ADMtek AL981. 3411 */ 3412 void 3413 tlp_al981_mii_writereg(self, phy, reg, val) 3414 struct device *self; 3415 int phy, reg, val; 3416 { 3417 struct tulip_softc *sc = (struct tulip_softc *)self; 3418 3419 /* AL981 only has an internal PHY. */ 3420 if (phy != 0) 3421 return; 3422 3423 if (reg >= tlp_al981_phy_regmap_size) 3424 return; 3425 3426 bus_space_write_4(sc->sc_st, sc->sc_sh, 3427 tlp_al981_phy_regmap[reg], val); 3428 } 3429 3430 /***************************************************************************** 3431 * Chip-specific pre-init and reset functions. 3432 *****************************************************************************/ 3433 3434 /* 3435 * tlp_2114x_preinit: 3436 * 3437 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3438 */ 3439 void 3440 tlp_2114x_preinit(sc) 3441 struct tulip_softc *sc; 3442 { 3443 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3444 struct tulip_21x4x_media *tm = ife->ifm_aux; 3445 3446 /* 3447 * Whether or not we're in MII or SIA/SYM mode, the media info 3448 * contains the appropriate OPMODE bits. 3449 * 3450 * Note that if we have no media info, we are are doing 3451 * non-MII `auto'. 3452 * 3453 * Also, we always set the Must-Be-One bit. 3454 */ 3455 if (tm == NULL) { 3456 #ifdef DIAGNOSTIC 3457 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3458 panic("tlp_2114x_preinit: not IFM_AUTO"); 3459 if (sc->sc_nway_active == NULL) 3460 panic("tlp_2114x_preinit: nway_active NULL"); 3461 #endif 3462 tm = sc->sc_nway_active->ifm_aux; 3463 } 3464 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3465 3466 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3467 } 3468 3469 /* 3470 * tlp_2114x_mii_preinit: 3471 * 3472 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3473 * This version is used by boards which only have MII and don't have 3474 * an ISV SROM. 3475 */ 3476 void 3477 tlp_2114x_mii_preinit(sc) 3478 struct tulip_softc *sc; 3479 { 3480 3481 /* 3482 * Always set the Must-Be-One bit, and Port Select (to select MII). 3483 * We'll never be called during a media change. 3484 */ 3485 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3486 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3487 } 3488 3489 /* 3490 * tlp_pnic_preinit: 3491 * 3492 * Pre-init function for the Lite-On 82c168 and 82c169. 3493 */ 3494 void 3495 tlp_pnic_preinit(sc) 3496 struct tulip_softc *sc; 3497 { 3498 3499 if (sc->sc_flags & TULIPF_HAS_MII) { 3500 /* 3501 * MII case: just set the port-select bit; we will never 3502 * be called during a media change. 3503 */ 3504 sc->sc_opmode |= OPMODE_PS; 3505 } else { 3506 /* 3507 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3508 */ 3509 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3510 } 3511 } 3512 3513 /* 3514 * tlp_dm9102_preinit: 3515 * 3516 * Pre-init function for the Davicom DM9102. 3517 */ 3518 void 3519 tlp_dm9102_preinit(sc) 3520 struct tulip_softc *sc; 3521 { 3522 3523 switch (sc->sc_chip) { 3524 case TULIP_CHIP_DM9102: 3525 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3526 break; 3527 3528 case TULIP_CHIP_DM9102A: 3529 /* 3530 * XXX Figure out how to actually deal with the HomePNA 3531 * XXX portion of the DM9102A. 3532 */ 3533 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3534 break; 3535 3536 default: 3537 /* Nothing. */ 3538 } 3539 3540 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3541 } 3542 3543 /* 3544 * tlp_21140_reset: 3545 * 3546 * Issue a reset sequence on the 21140 via the GPIO facility. 3547 */ 3548 void 3549 tlp_21140_reset(sc) 3550 struct tulip_softc *sc; 3551 { 3552 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3553 struct tulip_21x4x_media *tm = ife->ifm_aux; 3554 int i; 3555 3556 /* First, set the direction on the GPIO pins. */ 3557 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3558 3559 /* Now, issue the reset sequence. */ 3560 for (i = 0; i < tm->tm_reset_length; i++) { 3561 delay(10); 3562 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3563 } 3564 3565 /* Now, issue the selection sequence. */ 3566 for (i = 0; i < tm->tm_gp_length; i++) { 3567 delay(10); 3568 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3569 } 3570 3571 /* If there were no sequences, just lower the pins. */ 3572 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3573 TULIP_WRITE(sc, CSR_GPP, 0); 3574 } 3575 3576 /* 3577 * tlp_21142_reset: 3578 * 3579 * Issue a reset sequence on the 21142 via the GPIO facility. 3580 */ 3581 void 3582 tlp_21142_reset(sc) 3583 struct tulip_softc *sc; 3584 { 3585 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3586 struct tulip_21x4x_media *tm = ife->ifm_aux; 3587 const u_int8_t *ncp; 3588 int i; 3589 3590 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3591 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3592 delay(10); 3593 TULIP_WRITE(sc, CSR_SIAGEN, 3594 TULIP_ROM_GETW(ncp, 0) << 16); 3595 } 3596 3597 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3598 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3599 delay(10); 3600 TULIP_WRITE(sc, CSR_SIAGEN, 3601 TULIP_ROM_GETW(ncp, 0) << 16); 3602 } 3603 3604 /* If there were no sequences, just lower the pins. */ 3605 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3606 delay(10); 3607 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3608 } 3609 } 3610 3611 /* 3612 * tlp_pmac_reset: 3613 * 3614 * Reset routine for Macronix chips. 3615 */ 3616 void 3617 tlp_pmac_reset(sc) 3618 struct tulip_softc *sc; 3619 { 3620 3621 switch (sc->sc_chip) { 3622 case TULIP_CHIP_82C115: 3623 case TULIP_CHIP_MX98715: 3624 case TULIP_CHIP_MX98715A: 3625 case TULIP_CHIP_MX98725: 3626 /* 3627 * Set the LED operating mode. This information is located 3628 * in the EEPROM at byte offset 0x77, per the MX98715A and 3629 * MX98725 application notes. 3630 */ 3631 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3632 break; 3633 case TULIP_CHIP_MX98715AEC_X: 3634 /* 3635 * Set the LED operating mode. This information is located 3636 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3637 * application note. 3638 */ 3639 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3640 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3641 break; 3642 3643 default: 3644 /* Nothing. */ 3645 } 3646 } 3647 3648 /* 3649 * tlp_dm9102_reset: 3650 * 3651 * Reset routine for the Davicom DM9102. 3652 */ 3653 void 3654 tlp_dm9102_reset(sc) 3655 struct tulip_softc *sc; 3656 { 3657 3658 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3659 delay(100); 3660 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3661 } 3662 3663 /***************************************************************************** 3664 * Chip/board-specific media switches. The ones here are ones that 3665 * are potentially common to multiple front-ends. 3666 *****************************************************************************/ 3667 3668 /* 3669 * This table is a common place for all sorts of media information, 3670 * keyed off of the SROM media code for that media. 3671 * 3672 * Note that we explicitly configure the 21142/21143 to always advertise 3673 * NWay capabilities when using the UTP port. 3674 * XXX Actually, we don't yet. 3675 */ 3676 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3677 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3678 "10baseT", 3679 0, 3680 { SIACONN_21040_10BASET, 3681 SIATXRX_21040_10BASET, 3682 SIAGEN_21040_10BASET }, 3683 3684 { SIACONN_21041_10BASET, 3685 SIATXRX_21041_10BASET, 3686 SIAGEN_21041_10BASET }, 3687 3688 { SIACONN_21142_10BASET, 3689 SIATXRX_21142_10BASET, 3690 SIAGEN_21142_10BASET } }, 3691 3692 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3693 "10base2", 3694 0, 3695 { 0, 3696 0, 3697 0 }, 3698 3699 { SIACONN_21041_BNC, 3700 SIATXRX_21041_BNC, 3701 SIAGEN_21041_BNC }, 3702 3703 { SIACONN_21142_BNC, 3704 SIATXRX_21142_BNC, 3705 SIAGEN_21142_BNC } }, 3706 3707 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3708 "10base5", 3709 0, 3710 { SIACONN_21040_AUI, 3711 SIATXRX_21040_AUI, 3712 SIAGEN_21040_AUI }, 3713 3714 { SIACONN_21041_AUI, 3715 SIATXRX_21041_AUI, 3716 SIAGEN_21041_AUI }, 3717 3718 { SIACONN_21142_AUI, 3719 SIATXRX_21142_AUI, 3720 SIAGEN_21142_AUI } }, 3721 3722 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3723 "100baseTX", 3724 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3725 { 0, 3726 0, 3727 0 }, 3728 3729 { 0, 3730 0, 3731 0 }, 3732 3733 { 0, 3734 0, 3735 SIAGEN_ABM } }, 3736 3737 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3738 "10baseT-FDX", 3739 OPMODE_FD|OPMODE_HBD, 3740 { SIACONN_21040_10BASET_FDX, 3741 SIATXRX_21040_10BASET_FDX, 3742 SIAGEN_21040_10BASET_FDX }, 3743 3744 { SIACONN_21041_10BASET_FDX, 3745 SIATXRX_21041_10BASET_FDX, 3746 SIAGEN_21041_10BASET_FDX }, 3747 3748 { SIACONN_21142_10BASET_FDX, 3749 SIATXRX_21142_10BASET_FDX, 3750 SIAGEN_21142_10BASET_FDX } }, 3751 3752 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3753 "100baseTX-FDX", 3754 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3755 { 0, 3756 0, 3757 0 }, 3758 3759 { 0, 3760 0, 3761 0 }, 3762 3763 { 0, 3764 0, 3765 SIAGEN_ABM } }, 3766 3767 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3768 "100baseT4", 3769 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3770 { 0, 3771 0, 3772 0 }, 3773 3774 { 0, 3775 0, 3776 0 }, 3777 3778 { 0, 3779 0, 3780 SIAGEN_ABM } }, 3781 3782 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3783 "100baseFX", 3784 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3785 { 0, 3786 0, 3787 0 }, 3788 3789 { 0, 3790 0, 3791 0 }, 3792 3793 { 0, 3794 0, 3795 SIAGEN_ABM } }, 3796 3797 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3798 "100baseFX-FDX", 3799 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3800 { 0, 3801 0, 3802 0 }, 3803 3804 { 0, 3805 0, 3806 0 }, 3807 3808 { 0, 3809 0, 3810 SIAGEN_ABM } }, 3811 3812 { 0, 0, 0, 3813 NULL, 3814 0, 3815 { 0, 3816 0, 3817 0 }, 3818 3819 { 0, 3820 0, 3821 0 }, 3822 3823 { 0, 3824 0, 3825 0 } }, 3826 }; 3827 3828 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3829 void tlp_srom_media_info __P((struct tulip_softc *, 3830 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3831 void tlp_add_srom_media __P((struct tulip_softc *, int, 3832 void (*)(struct tulip_softc *, struct ifmediareq *), 3833 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3834 void tlp_print_media __P((struct tulip_softc *)); 3835 void tlp_nway_activate __P((struct tulip_softc *, int)); 3836 void tlp_get_minst __P((struct tulip_softc *)); 3837 3838 const struct tulip_srom_to_ifmedia * 3839 tlp_srom_to_ifmedia(sm) 3840 u_int8_t sm; 3841 { 3842 const struct tulip_srom_to_ifmedia *tsti; 3843 3844 for (tsti = tulip_srom_to_ifmedia_table; 3845 tsti->tsti_name != NULL; tsti++) { 3846 if (tsti->tsti_srom == sm) 3847 return (tsti); 3848 } 3849 3850 return (NULL); 3851 } 3852 3853 void 3854 tlp_srom_media_info(sc, tsti, tm) 3855 struct tulip_softc *sc; 3856 const struct tulip_srom_to_ifmedia *tsti; 3857 struct tulip_21x4x_media *tm; 3858 { 3859 3860 tm->tm_name = tsti->tsti_name; 3861 tm->tm_opmode = tsti->tsti_opmode; 3862 3863 switch (sc->sc_chip) { 3864 case TULIP_CHIP_DE425: 3865 case TULIP_CHIP_21040: 3866 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3867 break; 3868 3869 case TULIP_CHIP_21041: 3870 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3871 break; 3872 3873 case TULIP_CHIP_21142: 3874 case TULIP_CHIP_21143: 3875 case TULIP_CHIP_82C115: 3876 case TULIP_CHIP_MX98715: 3877 case TULIP_CHIP_MX98715A: 3878 case TULIP_CHIP_MX98715AEC_X: 3879 case TULIP_CHIP_MX98725: 3880 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3881 break; 3882 3883 default: 3884 /* Nothing. */ 3885 } 3886 } 3887 3888 void 3889 tlp_add_srom_media(sc, type, get, set, list, cnt) 3890 struct tulip_softc *sc; 3891 int type; 3892 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3893 int (*set) __P((struct tulip_softc *)); 3894 const u_int8_t *list; 3895 int cnt; 3896 { 3897 struct tulip_21x4x_media *tm; 3898 const struct tulip_srom_to_ifmedia *tsti; 3899 int i; 3900 3901 for (i = 0; i < cnt; i++) { 3902 tsti = tlp_srom_to_ifmedia(list[i]); 3903 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3904 memset(tm, 0, sizeof(*tm)); 3905 tlp_srom_media_info(sc, tsti, tm); 3906 tm->tm_type = type; 3907 tm->tm_get = get; 3908 tm->tm_set = set; 3909 3910 ifmedia_add(&sc->sc_mii.mii_media, 3911 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3912 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3913 } 3914 } 3915 3916 void 3917 tlp_print_media(sc) 3918 struct tulip_softc *sc; 3919 { 3920 struct ifmedia_entry *ife; 3921 struct tulip_21x4x_media *tm; 3922 const char *sep = ""; 3923 3924 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3925 3926 printf("%s: ", sc->sc_dev.dv_xname); 3927 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3928 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3929 tm = ife->ifm_aux; 3930 if (tm == NULL) { 3931 #ifdef DIAGNOSTIC 3932 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3933 panic("tlp_print_media"); 3934 #endif 3935 PRINT("auto"); 3936 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3937 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3938 PRINT(tm->tm_name); 3939 } 3940 } 3941 printf("\n"); 3942 3943 #undef PRINT 3944 } 3945 3946 void 3947 tlp_nway_activate(sc, media) 3948 struct tulip_softc *sc; 3949 int media; 3950 { 3951 struct ifmedia_entry *ife; 3952 3953 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3954 #ifdef DIAGNOSTIC 3955 if (ife == NULL) 3956 panic("tlp_nway_activate"); 3957 #endif 3958 sc->sc_nway_active = ife; 3959 } 3960 3961 void 3962 tlp_get_minst(sc) 3963 struct tulip_softc *sc; 3964 { 3965 3966 if ((sc->sc_media_seen & 3967 ~((1 << TULIP_ROM_MB_21140_MII) | 3968 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3969 /* 3970 * We have not yet seen any SIA/SYM media (but are 3971 * about to; that's why we're called!), so assign 3972 * the current media instance to be the `internal media' 3973 * instance, and advance it so any MII media gets a 3974 * fresh one (used to selecting/isolating a PHY). 3975 */ 3976 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3977 } 3978 } 3979 3980 /* 3981 * SIA Utility functions. 3982 */ 3983 void tlp_sia_update_link __P((struct tulip_softc *)); 3984 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3985 int tlp_sia_set __P((struct tulip_softc *)); 3986 void tlp_sia_fixup __P((struct tulip_softc *)); 3987 3988 void 3989 tlp_sia_update_link(sc) 3990 struct tulip_softc *sc; 3991 { 3992 struct ifmedia_entry *ife; 3993 struct tulip_21x4x_media *tm; 3994 u_int32_t siastat; 3995 3996 ife = TULIP_CURRENT_MEDIA(sc); 3997 tm = ife->ifm_aux; 3998 3999 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4000 4001 siastat = TULIP_READ(sc, CSR_SIASTAT); 4002 4003 /* 4004 * Note that when we do SIA link tests, we are assuming that 4005 * the chip is really in the mode that the current media setting 4006 * reflects. If we're not, then the link tests will not be 4007 * accurate! 4008 */ 4009 switch (IFM_SUBTYPE(ife->ifm_media)) { 4010 case IFM_10_T: 4011 sc->sc_flags |= TULIPF_LINK_VALID; 4012 if ((siastat & SIASTAT_LS10) == 0) 4013 sc->sc_flags |= TULIPF_LINK_UP; 4014 break; 4015 4016 case IFM_100_TX: 4017 case IFM_100_T4: 4018 sc->sc_flags |= TULIPF_LINK_VALID; 4019 if ((siastat & SIASTAT_LS100) == 0) 4020 sc->sc_flags |= TULIPF_LINK_UP; 4021 break; 4022 } 4023 4024 switch (sc->sc_chip) { 4025 case TULIP_CHIP_21142: 4026 case TULIP_CHIP_21143: 4027 /* 4028 * On these chips, we can tell more information about 4029 * AUI/BNC. Note that the AUI/BNC selection is made 4030 * in a different register; for our purpose, it's all 4031 * AUI. 4032 */ 4033 switch (IFM_SUBTYPE(ife->ifm_media)) { 4034 case IFM_10_2: 4035 case IFM_10_5: 4036 sc->sc_flags |= TULIPF_LINK_VALID; 4037 if (siastat & SIASTAT_ARA) { 4038 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4039 sc->sc_flags |= TULIPF_LINK_UP; 4040 } 4041 break; 4042 4043 default: 4044 /* 4045 * If we're SYM media and can detect the link 4046 * via the GPIO facility, prefer that status 4047 * over LS100. 4048 */ 4049 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4050 tm->tm_actmask != 0) { 4051 sc->sc_flags = (sc->sc_flags & 4052 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4053 if (TULIP_ISSET(sc, CSR_SIAGEN, 4054 tm->tm_actmask) == tm->tm_actdata) 4055 sc->sc_flags |= TULIPF_LINK_UP; 4056 } 4057 } 4058 break; 4059 4060 default: 4061 /* Nothing. */ 4062 } 4063 } 4064 4065 void 4066 tlp_sia_get(sc, ifmr) 4067 struct tulip_softc *sc; 4068 struct ifmediareq *ifmr; 4069 { 4070 struct ifmedia_entry *ife; 4071 4072 ifmr->ifm_status = 0; 4073 4074 tlp_sia_update_link(sc); 4075 4076 ife = TULIP_CURRENT_MEDIA(sc); 4077 4078 if (sc->sc_flags & TULIPF_LINK_VALID) 4079 ifmr->ifm_status |= IFM_AVALID; 4080 if (sc->sc_flags & TULIPF_LINK_UP) 4081 ifmr->ifm_status |= IFM_ACTIVE; 4082 ifmr->ifm_active = ife->ifm_media; 4083 } 4084 4085 void 4086 tlp_sia_fixup(sc) 4087 struct tulip_softc *sc; 4088 { 4089 struct ifmedia_entry *ife; 4090 struct tulip_21x4x_media *tm; 4091 u_int32_t siaconn, siatxrx, siagen; 4092 4093 switch (sc->sc_chip) { 4094 case TULIP_CHIP_82C115: 4095 case TULIP_CHIP_MX98713A: 4096 case TULIP_CHIP_MX98715: 4097 case TULIP_CHIP_MX98715A: 4098 case TULIP_CHIP_MX98715AEC_X: 4099 case TULIP_CHIP_MX98725: 4100 siaconn = PMAC_SIACONN_MASK; 4101 siatxrx = PMAC_SIATXRX_MASK; 4102 siagen = PMAC_SIAGEN_MASK; 4103 break; 4104 4105 default: 4106 /* No fixups required on any other chips. */ 4107 return; 4108 } 4109 4110 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4111 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4112 tm = ife->ifm_aux; 4113 if (tm == NULL) 4114 continue; 4115 4116 tm->tm_siaconn &= siaconn; 4117 tm->tm_siatxrx &= siatxrx; 4118 tm->tm_siagen &= siagen; 4119 } 4120 } 4121 4122 int 4123 tlp_sia_set(sc) 4124 struct tulip_softc *sc; 4125 { 4126 struct ifmedia_entry *ife; 4127 struct tulip_21x4x_media *tm; 4128 4129 ife = TULIP_CURRENT_MEDIA(sc); 4130 tm = ife->ifm_aux; 4131 4132 /* 4133 * XXX This appears to be necessary on a bunch of the clone chips. 4134 */ 4135 delay(20000); 4136 4137 /* 4138 * Idle the chip. 4139 */ 4140 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4141 4142 /* 4143 * Program the SIA. It's important to write in this order, 4144 * resetting the SIA first. 4145 */ 4146 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4147 delay(1000); 4148 4149 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4150 4151 switch (sc->sc_chip) { 4152 case TULIP_CHIP_21142: 4153 case TULIP_CHIP_21143: 4154 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4155 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4156 break; 4157 default: 4158 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4159 } 4160 4161 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4162 4163 /* 4164 * Set the OPMODE bits for this media and write OPMODE. 4165 * This will resume the transmit and receive processes. 4166 */ 4167 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4168 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4169 4170 return (0); 4171 } 4172 4173 /* 4174 * 21140 GPIO utility functions. 4175 */ 4176 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4177 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4178 struct ifmediareq *ifmr)); 4179 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4180 4181 void 4182 tlp_21140_gpio_update_link(sc) 4183 struct tulip_softc *sc; 4184 { 4185 struct ifmedia_entry *ife; 4186 struct tulip_21x4x_media *tm; 4187 4188 ife = TULIP_CURRENT_MEDIA(sc); 4189 tm = ife->ifm_aux; 4190 4191 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4192 4193 if (tm->tm_actmask != 0) { 4194 sc->sc_flags |= TULIPF_LINK_VALID; 4195 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4196 tm->tm_actdata) 4197 sc->sc_flags |= TULIPF_LINK_UP; 4198 } 4199 } 4200 4201 void 4202 tlp_21140_gpio_get(sc, ifmr) 4203 struct tulip_softc *sc; 4204 struct ifmediareq *ifmr; 4205 { 4206 struct ifmedia_entry *ife; 4207 4208 ifmr->ifm_status = 0; 4209 4210 tlp_21140_gpio_update_link(sc); 4211 4212 ife = TULIP_CURRENT_MEDIA(sc); 4213 4214 if (sc->sc_flags & TULIPF_LINK_VALID) 4215 ifmr->ifm_status |= IFM_AVALID; 4216 if (sc->sc_flags & TULIPF_LINK_UP) 4217 ifmr->ifm_status |= IFM_ACTIVE; 4218 ifmr->ifm_active = ife->ifm_media; 4219 } 4220 4221 int 4222 tlp_21140_gpio_set(sc) 4223 struct tulip_softc *sc; 4224 { 4225 struct ifmedia_entry *ife; 4226 struct tulip_21x4x_media *tm; 4227 4228 ife = TULIP_CURRENT_MEDIA(sc); 4229 tm = ife->ifm_aux; 4230 4231 /* 4232 * Idle the chip. 4233 */ 4234 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4235 4236 /* 4237 * Set the GPIO pins for this media, to flip any 4238 * relays, etc. 4239 */ 4240 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4241 delay(10); 4242 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4243 4244 /* 4245 * Set the OPMODE bits for this media and write OPMODE. 4246 * This will resume the transmit and receive processes. 4247 */ 4248 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4249 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4250 4251 return (0); 4252 } 4253 4254 /* 4255 * 21040 and 21041 media switches. 4256 */ 4257 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4258 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4259 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4260 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4261 4262 const struct tulip_mediasw tlp_21040_mediasw = { 4263 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4264 }; 4265 4266 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4267 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4268 }; 4269 4270 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4271 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4272 }; 4273 4274 const struct tulip_mediasw tlp_21041_mediasw = { 4275 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4276 }; 4277 4278 4279 void 4280 tlp_21040_tmsw_init(sc) 4281 struct tulip_softc *sc; 4282 { 4283 static const u_int8_t media[] = { 4284 TULIP_ROM_MB_MEDIA_TP, 4285 TULIP_ROM_MB_MEDIA_TP_FDX, 4286 TULIP_ROM_MB_MEDIA_AUI, 4287 }; 4288 struct tulip_21x4x_media *tm; 4289 4290 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4291 tlp_mediastatus); 4292 4293 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4294 4295 /* 4296 * No SROM type for External SIA. 4297 */ 4298 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4299 memset(tm, 0, sizeof(*tm)); 4300 tm->tm_name = "manual"; 4301 tm->tm_opmode = 0; 4302 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4303 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4304 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4305 ifmedia_add(&sc->sc_mii.mii_media, 4306 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4307 4308 /* 4309 * XXX Autosense not yet supported. 4310 */ 4311 4312 /* XXX This should be auto-sense. */ 4313 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4314 4315 tlp_print_media(sc); 4316 } 4317 4318 void 4319 tlp_21040_tp_tmsw_init(sc) 4320 struct tulip_softc *sc; 4321 { 4322 static const u_int8_t media[] = { 4323 TULIP_ROM_MB_MEDIA_TP, 4324 TULIP_ROM_MB_MEDIA_TP_FDX, 4325 }; 4326 4327 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4328 tlp_mediastatus); 4329 4330 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4331 4332 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4333 4334 tlp_print_media(sc); 4335 } 4336 4337 void 4338 tlp_21040_auibnc_tmsw_init(sc) 4339 struct tulip_softc *sc; 4340 { 4341 static const u_int8_t media[] = { 4342 TULIP_ROM_MB_MEDIA_AUI, 4343 }; 4344 4345 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4346 tlp_mediastatus); 4347 4348 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4349 4350 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4351 4352 tlp_print_media(sc); 4353 } 4354 4355 void 4356 tlp_21041_tmsw_init(sc) 4357 struct tulip_softc *sc; 4358 { 4359 static const u_int8_t media[] = { 4360 TULIP_ROM_MB_MEDIA_TP, 4361 TULIP_ROM_MB_MEDIA_TP_FDX, 4362 TULIP_ROM_MB_MEDIA_BNC, 4363 TULIP_ROM_MB_MEDIA_AUI, 4364 }; 4365 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4366 const struct tulip_srom_to_ifmedia *tsti; 4367 struct tulip_21x4x_media *tm; 4368 u_int16_t romdef; 4369 u_int8_t mb; 4370 4371 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4372 tlp_mediastatus); 4373 4374 if (tlp_isv_srom(sc->sc_srom) == 0) { 4375 not_isv_srom: 4376 /* 4377 * If we have a board without the standard 21041 SROM format, 4378 * we just assume all media are present and try and pick a 4379 * reasonable default. 4380 */ 4381 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4382 4383 /* 4384 * XXX Autosense not yet supported. 4385 */ 4386 4387 /* XXX This should be auto-sense. */ 4388 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4389 4390 tlp_print_media(sc); 4391 return; 4392 } 4393 4394 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4395 for (i = 0; i < devcnt; i++) { 4396 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4397 break; 4398 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4399 sc->sc_devno) 4400 break; 4401 } 4402 4403 if (i == devcnt) 4404 goto not_isv_srom; 4405 4406 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4407 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4408 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4409 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4410 4411 for (; m_cnt != 0; 4412 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4413 mb = sc->sc_srom[mb_offset]; 4414 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4415 memset(tm, 0, sizeof(*tm)); 4416 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4417 case TULIP_ROM_MB_MEDIA_TP_FDX: 4418 case TULIP_ROM_MB_MEDIA_TP: 4419 case TULIP_ROM_MB_MEDIA_BNC: 4420 case TULIP_ROM_MB_MEDIA_AUI: 4421 tsti = tlp_srom_to_ifmedia(mb & 4422 TULIP_ROM_MB_MEDIA_CODE); 4423 4424 tlp_srom_media_info(sc, tsti, tm); 4425 4426 /* 4427 * Override our default SIA settings if the 4428 * SROM contains its own. 4429 */ 4430 if (mb & TULIP_ROM_MB_EXT) { 4431 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4432 mb_offset + TULIP_ROM_MB_CSR13); 4433 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4434 mb_offset + TULIP_ROM_MB_CSR14); 4435 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4436 mb_offset + TULIP_ROM_MB_CSR15); 4437 } 4438 4439 ifmedia_add(&sc->sc_mii.mii_media, 4440 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4441 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4442 break; 4443 4444 default: 4445 printf("%s: unknown media code 0x%02x\n", 4446 sc->sc_dev.dv_xname, 4447 mb & TULIP_ROM_MB_MEDIA_CODE); 4448 free(tm, M_DEVBUF); 4449 } 4450 } 4451 4452 /* 4453 * XXX Autosense not yet supported. 4454 */ 4455 4456 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4457 TULIP_ROM_IL_SELECT_CONN_TYPE); 4458 switch (romdef) { 4459 case SELECT_CONN_TYPE_TP: 4460 case SELECT_CONN_TYPE_TP_AUTONEG: 4461 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4462 defmedia = IFM_ETHER|IFM_10_T; 4463 break; 4464 4465 case SELECT_CONN_TYPE_TP_FDX: 4466 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4467 break; 4468 4469 case SELECT_CONN_TYPE_BNC: 4470 defmedia = IFM_ETHER|IFM_10_2; 4471 break; 4472 4473 case SELECT_CONN_TYPE_AUI: 4474 defmedia = IFM_ETHER|IFM_10_5; 4475 break; 4476 #if 0 /* XXX */ 4477 case SELECT_CONN_TYPE_ASENSE: 4478 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4479 defmedia = IFM_ETHER|IFM_AUTO; 4480 break; 4481 #endif 4482 default: 4483 defmedia = 0; 4484 } 4485 4486 if (defmedia == 0) { 4487 /* 4488 * XXX We should default to auto-sense. 4489 */ 4490 defmedia = IFM_ETHER|IFM_10_T; 4491 } 4492 4493 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4494 4495 tlp_print_media(sc); 4496 } 4497 4498 /* 4499 * DECchip 2114x ISV media switch. 4500 */ 4501 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4502 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4503 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4504 4505 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4506 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4507 }; 4508 4509 void 4510 tlp_2114x_isv_tmsw_init(sc) 4511 struct tulip_softc *sc; 4512 { 4513 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4514 struct ifmedia_entry *ife; 4515 struct mii_softc *phy; 4516 struct tulip_21x4x_media *tm; 4517 const struct tulip_srom_to_ifmedia *tsti; 4518 int i, devcnt, leaf_offset, m_cnt, type, length; 4519 int defmedia, miidef; 4520 u_int16_t word; 4521 u_int8_t *cp, *ncp; 4522 4523 defmedia = miidef = 0; 4524 4525 sc->sc_mii.mii_ifp = ifp; 4526 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4527 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4528 sc->sc_mii.mii_statchg = sc->sc_statchg; 4529 4530 /* 4531 * Ignore `instance'; we may get a mixture of SIA and MII 4532 * media, and `instance' is used to isolate or select the 4533 * PHY on the MII as appropriate. Note that duplicate media 4534 * are disallowed, so ignoring `instance' is safe. 4535 */ 4536 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4537 tlp_mediastatus); 4538 4539 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4540 for (i = 0; i < devcnt; i++) { 4541 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4542 break; 4543 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4544 sc->sc_devno) 4545 break; 4546 } 4547 4548 if (i == devcnt) { 4549 printf("%s: unable to locate info leaf in SROM\n", 4550 sc->sc_dev.dv_xname); 4551 return; 4552 } 4553 4554 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4555 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4556 4557 /* XXX SELECT CONN TYPE */ 4558 4559 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4560 4561 /* 4562 * On some chips, the first thing in the Info Leaf is the 4563 * GPIO pin direction data. 4564 */ 4565 switch (sc->sc_chip) { 4566 case TULIP_CHIP_21140: 4567 case TULIP_CHIP_21140A: 4568 case TULIP_CHIP_MX98713: 4569 case TULIP_CHIP_AX88140: 4570 case TULIP_CHIP_AX88141: 4571 sc->sc_gp_dir = *cp++; 4572 break; 4573 4574 default: 4575 /* Nothing. */ 4576 } 4577 4578 /* Get the media count. */ 4579 m_cnt = *cp++; 4580 4581 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4582 /* 4583 * Determine the type and length of this media block. 4584 */ 4585 if ((*cp & 0x80) == 0) { 4586 length = 4; 4587 type = TULIP_ROM_MB_21140_GPR; 4588 } else { 4589 length = (*cp++ & 0x7f) - 1; 4590 type = *cp++ & 0x3f; 4591 } 4592 4593 /* Compute the start of the next block. */ 4594 ncp = cp + length; 4595 4596 /* Now, parse the block. */ 4597 switch (type) { 4598 case TULIP_ROM_MB_21140_GPR: 4599 tlp_get_minst(sc); 4600 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4601 4602 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4603 memset(tm, 0, sizeof(*tm)); 4604 4605 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4606 tm->tm_get = tlp_21140_gpio_get; 4607 tm->tm_set = tlp_21140_gpio_set; 4608 4609 /* First is the media type code. */ 4610 tsti = tlp_srom_to_ifmedia(cp[0] & 4611 TULIP_ROM_MB_MEDIA_CODE); 4612 if (tsti == NULL) { 4613 /* Invalid media code. */ 4614 free(tm, M_DEVBUF); 4615 break; 4616 } 4617 4618 /* Get defaults. */ 4619 tlp_srom_media_info(sc, tsti, tm); 4620 4621 /* Next is any GPIO info for this media. */ 4622 tm->tm_gpdata = cp[1]; 4623 4624 /* 4625 * Next is a word containing OPMODE information 4626 * and info on how to detect if this media is 4627 * active. 4628 */ 4629 word = TULIP_ROM_GETW(cp, 2); 4630 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4631 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4632 tm->tm_actmask = 4633 TULIP_ROM_MB_BITPOS(word); 4634 tm->tm_actdata = 4635 (word & TULIP_ROM_MB_POLARITY) ? 4636 0 : tm->tm_actmask; 4637 } 4638 4639 ifmedia_add(&sc->sc_mii.mii_media, 4640 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4641 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4642 break; 4643 4644 case TULIP_ROM_MB_21140_MII: 4645 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4646 4647 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4648 memset(tm, 0, sizeof(*tm)); 4649 4650 tm->tm_type = TULIP_ROM_MB_21140_MII; 4651 tm->tm_get = tlp_mii_getmedia; 4652 tm->tm_set = tlp_mii_setmedia; 4653 tm->tm_opmode = OPMODE_PS; 4654 4655 if (sc->sc_reset == NULL) 4656 sc->sc_reset = tlp_21140_reset; 4657 4658 /* First is the PHY number. */ 4659 tm->tm_phyno = *cp++; 4660 4661 /* Next is the MII select sequence length and offset. */ 4662 tm->tm_gp_length = *cp++; 4663 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4664 cp += tm->tm_gp_length; 4665 4666 /* Next is the MII reset sequence length and offset. */ 4667 tm->tm_reset_length = *cp++; 4668 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4669 cp += tm->tm_reset_length; 4670 4671 /* 4672 * The following items are left in the media block 4673 * that we don't particularly care about: 4674 * 4675 * capabilities W 4676 * advertisement W 4677 * full duplex W 4678 * tx threshold W 4679 * 4680 * These appear to be bits in the PHY registers, 4681 * which our MII code handles on its own. 4682 */ 4683 4684 /* 4685 * Before we probe the MII bus, we need to reset 4686 * it and issue the selection sequence. 4687 */ 4688 4689 /* Set the direction of the pins... */ 4690 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4691 4692 for (i = 0; i < tm->tm_reset_length; i++) { 4693 delay(10); 4694 TULIP_WRITE(sc, CSR_GPP, 4695 sc->sc_srom[tm->tm_reset_offset + i]); 4696 } 4697 4698 for (i = 0; i < tm->tm_gp_length; i++) { 4699 delay(10); 4700 TULIP_WRITE(sc, CSR_GPP, 4701 sc->sc_srom[tm->tm_gp_offset + i]); 4702 } 4703 4704 /* If there were no sequences, just lower the pins. */ 4705 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4706 delay(10); 4707 TULIP_WRITE(sc, CSR_GPP, 0); 4708 } 4709 4710 /* 4711 * Now, probe the MII for the PHY. Note, we know 4712 * the location of the PHY on the bus, but we don't 4713 * particularly care; the MII code just likes to 4714 * search the whole thing anyhow. 4715 */ 4716 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4717 MII_PHY_ANY, tm->tm_phyno, 0); 4718 4719 /* 4720 * Now, search for the PHY we hopefully just 4721 * configured. If it's not configured into the 4722 * kernel, we lose. The PHY's default media always 4723 * takes priority. 4724 */ 4725 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4726 phy != NULL; 4727 phy = LIST_NEXT(phy, mii_list)) 4728 if (phy->mii_offset == tm->tm_phyno) 4729 break; 4730 if (phy == NULL) { 4731 printf("%s: unable to configure MII\n", 4732 sc->sc_dev.dv_xname); 4733 break; 4734 } 4735 4736 sc->sc_flags |= TULIPF_HAS_MII; 4737 sc->sc_tick = tlp_mii_tick; 4738 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4739 phy->mii_inst); 4740 4741 /* 4742 * Okay, now that we've found the PHY and the MII 4743 * layer has added all of the media associated 4744 * with that PHY, we need to traverse the media 4745 * list, and add our `tm' to each entry's `aux' 4746 * pointer. 4747 * 4748 * We do this by looking for media with our 4749 * PHY's `instance'. 4750 */ 4751 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4752 ife != NULL; 4753 ife = TAILQ_NEXT(ife, ifm_list)) { 4754 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4755 continue; 4756 ife->ifm_aux = tm; 4757 } 4758 break; 4759 4760 case TULIP_ROM_MB_21142_SIA: 4761 tlp_get_minst(sc); 4762 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4763 4764 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4765 memset(tm, 0, sizeof(*tm)); 4766 4767 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4768 tm->tm_get = tlp_sia_get; 4769 tm->tm_set = tlp_sia_set; 4770 4771 /* First is the media type code. */ 4772 tsti = tlp_srom_to_ifmedia(cp[0] & 4773 TULIP_ROM_MB_MEDIA_CODE); 4774 if (tsti == NULL) { 4775 /* Invalid media code. */ 4776 free(tm, M_DEVBUF); 4777 break; 4778 } 4779 4780 /* Get defaults. */ 4781 tlp_srom_media_info(sc, tsti, tm); 4782 4783 /* 4784 * Override our default SIA settings if the 4785 * SROM contains its own. 4786 */ 4787 if (cp[0] & 0x40) { 4788 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4789 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4790 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4791 cp += 7; 4792 } else 4793 cp++; 4794 4795 /* Next is GPIO control/data. */ 4796 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4797 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4798 4799 ifmedia_add(&sc->sc_mii.mii_media, 4800 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4801 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4802 break; 4803 4804 case TULIP_ROM_MB_21142_MII: 4805 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4806 4807 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4808 memset(tm, 0, sizeof(*tm)); 4809 4810 tm->tm_type = TULIP_ROM_MB_21142_MII; 4811 tm->tm_get = tlp_mii_getmedia; 4812 tm->tm_set = tlp_mii_setmedia; 4813 tm->tm_opmode = OPMODE_PS; 4814 4815 if (sc->sc_reset == NULL) 4816 sc->sc_reset = tlp_21142_reset; 4817 4818 /* First is the PHY number. */ 4819 tm->tm_phyno = *cp++; 4820 4821 /* Next is the MII select sequence length and offset. */ 4822 tm->tm_gp_length = *cp++; 4823 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4824 cp += tm->tm_gp_length * 2; 4825 4826 /* Next is the MII reset sequence length and offset. */ 4827 tm->tm_reset_length = *cp++; 4828 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4829 cp += tm->tm_reset_length * 2; 4830 4831 /* 4832 * The following items are left in the media block 4833 * that we don't particularly care about: 4834 * 4835 * capabilities W 4836 * advertisement W 4837 * full duplex W 4838 * tx threshold W 4839 * MII interrupt W 4840 * 4841 * These appear to be bits in the PHY registers, 4842 * which our MII code handles on its own. 4843 */ 4844 4845 /* 4846 * Before we probe the MII bus, we need to reset 4847 * it and issue the selection sequence. 4848 */ 4849 4850 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4851 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4852 delay(10); 4853 TULIP_WRITE(sc, CSR_SIAGEN, 4854 TULIP_ROM_GETW(ncp, 0) << 16); 4855 } 4856 4857 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4858 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4859 delay(10); 4860 TULIP_WRITE(sc, CSR_SIAGEN, 4861 TULIP_ROM_GETW(ncp, 0) << 16); 4862 } 4863 4864 /* If there were no sequences, just lower the pins. */ 4865 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4866 delay(10); 4867 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4868 } 4869 4870 /* 4871 * Now, probe the MII for the PHY. Note, we know 4872 * the location of the PHY on the bus, but we don't 4873 * particularly care; the MII code just likes to 4874 * search the whole thing anyhow. 4875 */ 4876 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4877 MII_PHY_ANY, tm->tm_phyno, 0); 4878 4879 /* 4880 * Now, search for the PHY we hopefully just 4881 * configured. If it's not configured into the 4882 * kernel, we lose. The PHY's default media always 4883 * takes priority. 4884 */ 4885 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4886 phy != NULL; 4887 phy = LIST_NEXT(phy, mii_list)) 4888 if (phy->mii_offset == tm->tm_phyno) 4889 break; 4890 if (phy == NULL) { 4891 printf("%s: unable to configure MII\n", 4892 sc->sc_dev.dv_xname); 4893 break; 4894 } 4895 4896 sc->sc_flags |= TULIPF_HAS_MII; 4897 sc->sc_tick = tlp_mii_tick; 4898 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4899 phy->mii_inst); 4900 4901 /* 4902 * Okay, now that we've found the PHY and the MII 4903 * layer has added all of the media associated 4904 * with that PHY, we need to traverse the media 4905 * list, and add our `tm' to each entry's `aux' 4906 * pointer. 4907 * 4908 * We do this by looking for media with our 4909 * PHY's `instance'. 4910 */ 4911 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4912 ife != NULL; 4913 ife = TAILQ_NEXT(ife, ifm_list)) { 4914 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4915 continue; 4916 ife->ifm_aux = tm; 4917 } 4918 break; 4919 4920 case TULIP_ROM_MB_21143_SYM: 4921 tlp_get_minst(sc); 4922 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4923 4924 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4925 memset(tm, 0, sizeof(*tm)); 4926 4927 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4928 tm->tm_get = tlp_sia_get; 4929 tm->tm_set = tlp_sia_set; 4930 4931 /* First is the media type code. */ 4932 tsti = tlp_srom_to_ifmedia(cp[0] & 4933 TULIP_ROM_MB_MEDIA_CODE); 4934 if (tsti == NULL) { 4935 /* Invalid media code. */ 4936 free(tm, M_DEVBUF); 4937 break; 4938 } 4939 4940 /* Get defaults. */ 4941 tlp_srom_media_info(sc, tsti, tm); 4942 4943 /* Next is GPIO control/data. */ 4944 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4945 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4946 4947 /* 4948 * Next is a word containing OPMODE information 4949 * and info on how to detect if this media is 4950 * active. 4951 */ 4952 word = TULIP_ROM_GETW(cp, 5); 4953 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4954 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4955 tm->tm_actmask = 4956 TULIP_ROM_MB_BITPOS(word); 4957 tm->tm_actdata = 4958 (word & TULIP_ROM_MB_POLARITY) ? 4959 0 : tm->tm_actmask; 4960 } 4961 4962 ifmedia_add(&sc->sc_mii.mii_media, 4963 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4964 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4965 break; 4966 4967 case TULIP_ROM_MB_21143_RESET: 4968 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4969 break; 4970 4971 default: 4972 printf("%s: unknown ISV media block type 0x%02x\n", 4973 sc->sc_dev.dv_xname, type); 4974 } 4975 } 4976 4977 /* 4978 * Deal with the case where no media is configured. 4979 */ 4980 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4981 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4982 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4983 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4984 return; 4985 } 4986 4987 /* 4988 * Pick the default media. 4989 */ 4990 if (miidef != 0) 4991 defmedia = miidef; 4992 else { 4993 /* 4994 * XXX Pick a better default. Should come from SROM 4995 * XXX on 21140[A], and should be "auto" on 21142, 4996 * XXX 21143, and Macronix chips. 4997 */ 4998 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4999 } 5000 5001 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5002 5003 /* 5004 * Display any non-MII media we've located. 5005 */ 5006 if (sc->sc_media_seen & 5007 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5008 tlp_print_media(sc); 5009 5010 tlp_sia_fixup(sc); 5011 } 5012 5013 void 5014 tlp_2114x_isv_tmsw_get(sc, ifmr) 5015 struct tulip_softc *sc; 5016 struct ifmediareq *ifmr; 5017 { 5018 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5019 struct tulip_21x4x_media *tm = ife->ifm_aux; 5020 5021 /* 5022 * We might be polling a non-MII autosense; check for that. 5023 */ 5024 if (tm == NULL) { 5025 #ifdef DIAGNOSTIC 5026 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5027 panic("tlp_2114x_isv_tmsw_get"); 5028 #endif 5029 tm = sc->sc_nway_active->ifm_aux; 5030 } 5031 5032 (*tm->tm_get)(sc, ifmr); 5033 } 5034 5035 int 5036 tlp_2114x_isv_tmsw_set(sc) 5037 struct tulip_softc *sc; 5038 { 5039 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5040 struct tulip_21x4x_media *tm = ife->ifm_aux; 5041 5042 /* 5043 * We might be setting a non-MII autosense; check for that. 5044 */ 5045 if (tm == NULL) { 5046 #ifdef DIAGNOSTIC 5047 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5048 panic("tlp_2114x_isv_tmsw_set"); 5049 #endif 5050 /* XXX XXX XXX */ 5051 } 5052 5053 /* 5054 * Check to see if we need to reset the chip, and do it. The 5055 * reset path will get the OPMODE register right the next 5056 * time through. 5057 */ 5058 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5059 return (tlp_init(sc)); 5060 5061 return ((*tm->tm_set)(sc)); 5062 } 5063 5064 /* 5065 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5066 */ 5067 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5068 5069 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5070 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5071 }; 5072 5073 void 5074 tlp_sio_mii_tmsw_init(sc) 5075 struct tulip_softc *sc; 5076 { 5077 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5078 5079 /* 5080 * We don't attach any media info structures to the ifmedia 5081 * entries, so if we're using a pre-init function that needs 5082 * that info, override it to one that doesn't. 5083 */ 5084 if (sc->sc_preinit == tlp_2114x_preinit) 5085 sc->sc_preinit = tlp_2114x_mii_preinit; 5086 5087 sc->sc_mii.mii_ifp = ifp; 5088 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5089 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5090 sc->sc_mii.mii_statchg = sc->sc_statchg; 5091 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5092 tlp_mediastatus); 5093 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5094 MII_OFFSET_ANY, 0); 5095 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5096 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5097 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5098 } else { 5099 sc->sc_flags |= TULIPF_HAS_MII; 5100 sc->sc_tick = tlp_mii_tick; 5101 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5102 } 5103 } 5104 5105 /* 5106 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5107 */ 5108 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5109 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5110 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5111 5112 const struct tulip_mediasw tlp_pnic_mediasw = { 5113 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5114 }; 5115 5116 void tlp_pnic_nway_statchg __P((struct device *)); 5117 void tlp_pnic_nway_tick __P((void *)); 5118 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5119 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5120 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5121 void tlp_pnic_nway_auto_timeout __P((void *)); 5122 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5123 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5124 5125 void 5126 tlp_pnic_tmsw_init(sc) 5127 struct tulip_softc *sc; 5128 { 5129 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5130 const char *sep = ""; 5131 5132 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5133 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5134 5135 sc->sc_mii.mii_ifp = ifp; 5136 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5137 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5138 sc->sc_mii.mii_statchg = sc->sc_statchg; 5139 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5140 tlp_mediastatus); 5141 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5142 MII_OFFSET_ANY, 0); 5143 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5144 /* XXX What about AUI/BNC support? */ 5145 printf("%s: ", sc->sc_dev.dv_xname); 5146 5147 tlp_pnic_nway_reset(sc); 5148 5149 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5150 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5151 PRINT("10baseT"); 5152 5153 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5154 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5155 PRINT("10baseT-FDX"); 5156 5157 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5158 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5159 PRINT("100baseTX"); 5160 5161 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5162 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5163 PNIC_NWAY_CAP100TXFDX); 5164 PRINT("100baseTX-FDX"); 5165 5166 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5167 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5168 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5169 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5170 PRINT("auto"); 5171 5172 printf("\n"); 5173 5174 sc->sc_statchg = tlp_pnic_nway_statchg; 5175 sc->sc_tick = tlp_pnic_nway_tick; 5176 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5177 } else { 5178 sc->sc_flags |= TULIPF_HAS_MII; 5179 sc->sc_tick = tlp_mii_tick; 5180 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5181 } 5182 5183 #undef ADD 5184 #undef PRINT 5185 } 5186 5187 void 5188 tlp_pnic_tmsw_get(sc, ifmr) 5189 struct tulip_softc *sc; 5190 struct ifmediareq *ifmr; 5191 { 5192 struct mii_data *mii = &sc->sc_mii; 5193 5194 if (sc->sc_flags & TULIPF_HAS_MII) 5195 tlp_mii_getmedia(sc, ifmr); 5196 else { 5197 mii->mii_media_status = 0; 5198 mii->mii_media_active = IFM_NONE; 5199 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5200 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5201 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5202 } 5203 } 5204 5205 int 5206 tlp_pnic_tmsw_set(sc) 5207 struct tulip_softc *sc; 5208 { 5209 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5210 struct mii_data *mii = &sc->sc_mii; 5211 5212 if (sc->sc_flags & TULIPF_HAS_MII) { 5213 /* 5214 * Make sure the built-in Tx jabber timer is disabled. 5215 */ 5216 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5217 5218 return (tlp_mii_setmedia(sc)); 5219 } 5220 5221 if (ifp->if_flags & IFF_UP) { 5222 mii->mii_media_status = 0; 5223 mii->mii_media_active = IFM_NONE; 5224 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5225 } 5226 5227 return (0); 5228 } 5229 5230 void 5231 tlp_pnic_nway_statchg(self) 5232 struct device *self; 5233 { 5234 struct tulip_softc *sc = (struct tulip_softc *)self; 5235 5236 /* Idle the transmit and receive processes. */ 5237 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5238 5239 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5240 OPMODE_SCR|OPMODE_HBD); 5241 5242 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5243 sc->sc_opmode |= OPMODE_TTM; 5244 TULIP_WRITE(sc, CSR_GPP, 5245 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5246 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5247 } else { 5248 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5249 TULIP_WRITE(sc, CSR_GPP, 5250 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5251 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5252 } 5253 5254 if (sc->sc_mii.mii_media_active & IFM_FDX) 5255 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5256 5257 /* 5258 * Write new OPMODE bits. This also restarts the transmit 5259 * and receive processes. 5260 */ 5261 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5262 } 5263 5264 void 5265 tlp_pnic_nway_tick(arg) 5266 void *arg; 5267 { 5268 struct tulip_softc *sc = arg; 5269 int s; 5270 5271 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5272 return; 5273 5274 s = splnet(); 5275 tlp_pnic_nway_service(sc, MII_TICK); 5276 splx(s); 5277 5278 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5279 } 5280 5281 /* 5282 * Support for the Lite-On PNIC internal NWay block. This is constructed 5283 * somewhat like a PHY driver for simplicity. 5284 */ 5285 5286 int 5287 tlp_pnic_nway_service(sc, cmd) 5288 struct tulip_softc *sc; 5289 int cmd; 5290 { 5291 struct mii_data *mii = &sc->sc_mii; 5292 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5293 5294 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5295 return (0); 5296 5297 switch (cmd) { 5298 case MII_POLLSTAT: 5299 /* Nothing special to do here. */ 5300 break; 5301 5302 case MII_MEDIACHG: 5303 switch (IFM_SUBTYPE(ife->ifm_media)) { 5304 case IFM_AUTO: 5305 (void) tlp_pnic_nway_auto(sc, 1); 5306 break; 5307 case IFM_100_T4: 5308 /* 5309 * XXX Not supported as a manual setting right now. 5310 */ 5311 return (EINVAL); 5312 default: 5313 /* 5314 * NWAY register data is stored in the ifmedia entry. 5315 */ 5316 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5317 } 5318 break; 5319 5320 case MII_TICK: 5321 /* 5322 * Only used for autonegotiation. 5323 */ 5324 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5325 return (0); 5326 5327 /* 5328 * Check to see if we have link. If we do, we don't 5329 * need to restart the autonegotiation process. 5330 */ 5331 if (sc->sc_flags & TULIPF_LINK_UP) 5332 return (0); 5333 5334 /* 5335 * Only retry autonegotiation every 5 seconds. 5336 */ 5337 if (++sc->sc_nway_ticks != 5) 5338 return (0); 5339 5340 sc->sc_nway_ticks = 0; 5341 tlp_pnic_nway_reset(sc); 5342 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5343 return (0); 5344 break; 5345 } 5346 5347 /* Update the media status. */ 5348 tlp_pnic_nway_status(sc); 5349 5350 /* Callback if something changed. */ 5351 if ((sc->sc_nway_active == NULL || 5352 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5353 cmd == MII_MEDIACHG) { 5354 (*sc->sc_statchg)(&sc->sc_dev); 5355 tlp_nway_activate(sc, mii->mii_media_active); 5356 } 5357 return (0); 5358 } 5359 5360 void 5361 tlp_pnic_nway_reset(sc) 5362 struct tulip_softc *sc; 5363 { 5364 5365 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5366 delay(100); 5367 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5368 } 5369 5370 int 5371 tlp_pnic_nway_auto(sc, waitfor) 5372 struct tulip_softc *sc; 5373 int waitfor; 5374 { 5375 struct mii_data *mii = &sc->sc_mii; 5376 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5377 u_int32_t reg; 5378 int i; 5379 5380 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5381 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5382 5383 if (waitfor) { 5384 /* Wait 500ms for it to complete. */ 5385 for (i = 0; i < 500; i++) { 5386 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5387 if (reg & PNIC_NWAY_LPAR_MASK) { 5388 tlp_pnic_nway_acomp(sc); 5389 return (0); 5390 } 5391 delay(1000); 5392 } 5393 #if 0 5394 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5395 printf("%s: autonegotiation failed to complete\n", 5396 sc->sc_dev.dv_xname); 5397 #endif 5398 5399 /* 5400 * Don't need to worry about clearing DOINGAUTO. 5401 * If that's set, a timeout is pending, and it will 5402 * clear the flag. 5403 */ 5404 return (EIO); 5405 } 5406 5407 /* 5408 * Just let it finish asynchronously. This is for the benefit of 5409 * the tick handler driving autonegotiation. Don't want 500ms 5410 * delays all the time while the system is running! 5411 */ 5412 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5413 sc->sc_flags |= TULIPF_DOINGAUTO; 5414 callout_reset(&sc->sc_nway_callout, hz >> 1, 5415 tlp_pnic_nway_auto_timeout, sc); 5416 } 5417 return (EJUSTRETURN); 5418 } 5419 5420 void 5421 tlp_pnic_nway_auto_timeout(arg) 5422 void *arg; 5423 { 5424 struct tulip_softc *sc = arg; 5425 u_int32_t reg; 5426 int s; 5427 5428 s = splnet(); 5429 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5430 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5431 #if 0 5432 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5433 printf("%s: autonegotiation failed to complete\n", 5434 sc->sc_dev.dv_xname); 5435 #endif 5436 5437 tlp_pnic_nway_acomp(sc); 5438 5439 /* Update the media status. */ 5440 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5441 splx(s); 5442 } 5443 5444 void 5445 tlp_pnic_nway_status(sc) 5446 struct tulip_softc *sc; 5447 { 5448 struct mii_data *mii = &sc->sc_mii; 5449 u_int32_t reg; 5450 5451 mii->mii_media_status = IFM_AVALID; 5452 mii->mii_media_active = IFM_ETHER; 5453 5454 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5455 5456 if (sc->sc_flags & TULIPF_LINK_UP) 5457 mii->mii_media_status |= IFM_ACTIVE; 5458 5459 if (reg & PNIC_NWAY_NW) { 5460 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5461 /* Erg, still trying, I guess... */ 5462 mii->mii_media_active |= IFM_NONE; 5463 return; 5464 } 5465 5466 #if 0 5467 if (reg & PNIC_NWAY_LPAR100T4) 5468 mii->mii_media_active |= IFM_100_T4; 5469 else 5470 #endif 5471 if (reg & PNIC_NWAY_LPAR100TXFDX) 5472 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5473 else if (reg & PNIC_NWAY_LPAR100TX) 5474 mii->mii_media_active |= IFM_100_TX; 5475 else if (reg & PNIC_NWAY_LPAR10TFDX) 5476 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5477 else if (reg & PNIC_NWAY_LPAR10T) 5478 mii->mii_media_active |= IFM_10_T; 5479 else 5480 mii->mii_media_active |= IFM_NONE; 5481 } else { 5482 if (reg & PNIC_NWAY_100) 5483 mii->mii_media_active |= IFM_100_TX; 5484 else 5485 mii->mii_media_active |= IFM_10_T; 5486 if (reg & PNIC_NWAY_FD) 5487 mii->mii_media_active |= IFM_FDX; 5488 } 5489 } 5490 5491 void 5492 tlp_pnic_nway_acomp(sc) 5493 struct tulip_softc *sc; 5494 { 5495 u_int32_t reg; 5496 5497 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5498 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5499 5500 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5501 reg |= PNIC_NWAY_100; 5502 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5503 reg |= PNIC_NWAY_FD; 5504 5505 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5506 } 5507 5508 /* 5509 * Macronix PMAC and Lite-On PNIC-II media switch: 5510 * 5511 * MX98713 and MX98713A 21140-like MII or GPIO media. 5512 * 5513 * MX98713A 21143-like MII or SIA/SYM media. 5514 * 5515 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5516 * 82C115, MX98715AEC-C, -E 5517 * 5518 * So, what we do here is fake MII-on-SIO or ISV media info, and 5519 * use the ISV media switch get/set functions to handle the rest. 5520 */ 5521 5522 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5523 5524 const struct tulip_mediasw tlp_pmac_mediasw = { 5525 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5526 }; 5527 5528 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5529 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5530 }; 5531 5532 void 5533 tlp_pmac_tmsw_init(sc) 5534 struct tulip_softc *sc; 5535 { 5536 static const u_int8_t media[] = { 5537 TULIP_ROM_MB_MEDIA_TP, 5538 TULIP_ROM_MB_MEDIA_TP_FDX, 5539 TULIP_ROM_MB_MEDIA_100TX, 5540 TULIP_ROM_MB_MEDIA_100TX_FDX, 5541 }; 5542 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5543 5544 sc->sc_mii.mii_ifp = ifp; 5545 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5546 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5547 sc->sc_mii.mii_statchg = sc->sc_statchg; 5548 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5549 tlp_mediastatus); 5550 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5551 sc->sc_chip == TULIP_CHIP_MX98713A) { 5552 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5553 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5554 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5555 sc->sc_flags |= TULIPF_HAS_MII; 5556 sc->sc_tick = tlp_mii_tick; 5557 sc->sc_preinit = tlp_2114x_mii_preinit; 5558 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5559 ifmedia_set(&sc->sc_mii.mii_media, 5560 IFM_ETHER|IFM_AUTO); 5561 return; 5562 } 5563 } 5564 5565 switch (sc->sc_chip) { 5566 case TULIP_CHIP_MX98713: 5567 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5568 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5569 5570 /* 5571 * XXX Should implement auto-sense for this someday, 5572 * XXX when we do the same for the 21140. 5573 */ 5574 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5575 break; 5576 5577 default: 5578 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5579 tlp_sia_get, tlp_sia_set, media, 2); 5580 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5581 tlp_sia_get, tlp_sia_set, media + 2, 2); 5582 5583 /* 5584 * XXX Autonegotiation not yet supported. 5585 */ 5586 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5587 break; 5588 } 5589 5590 tlp_print_media(sc); 5591 tlp_sia_fixup(sc); 5592 5593 /* Set the LED modes. */ 5594 tlp_pmac_reset(sc); 5595 5596 sc->sc_reset = tlp_pmac_reset; 5597 } 5598 5599 /* 5600 * ADMtek AL981 media switch. Only has internal PHY. 5601 */ 5602 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5603 5604 const struct tulip_mediasw tlp_al981_mediasw = { 5605 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5606 }; 5607 5608 void 5609 tlp_al981_tmsw_init(sc) 5610 struct tulip_softc *sc; 5611 { 5612 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5613 5614 sc->sc_mii.mii_ifp = ifp; 5615 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5616 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5617 sc->sc_mii.mii_statchg = sc->sc_statchg; 5618 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5619 tlp_mediastatus); 5620 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5621 MII_OFFSET_ANY, 0); 5622 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5623 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5624 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5625 } else { 5626 sc->sc_flags |= TULIPF_HAS_MII; 5627 sc->sc_tick = tlp_mii_tick; 5628 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5629 } 5630 } 5631 5632 /* 5633 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5634 */ 5635 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5636 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5637 struct ifmediareq *)); 5638 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5639 5640 const struct tulip_mediasw tlp_dm9102_mediasw = { 5641 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5642 tlp_dm9102_tmsw_setmedia 5643 }; 5644 5645 void 5646 tlp_dm9102_tmsw_init(sc) 5647 struct tulip_softc *sc; 5648 { 5649 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5650 u_int32_t opmode; 5651 5652 sc->sc_mii.mii_ifp = ifp; 5653 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5654 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5655 sc->sc_mii.mii_statchg = sc->sc_statchg; 5656 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5657 tlp_mediastatus); 5658 5659 /* PHY block already reset via tlp_reset(). */ 5660 5661 /* 5662 * Configure OPMODE properly for the internal MII interface. 5663 */ 5664 switch (sc->sc_chip) { 5665 case TULIP_CHIP_DM9102: 5666 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5667 break; 5668 5669 case TULIP_CHIP_DM9102A: 5670 opmode = OPMODE_MBO|OPMODE_HBD; 5671 break; 5672 5673 default: 5674 /* Nothing. */ 5675 } 5676 5677 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5678 5679 /* Now, probe the internal MII for the internal PHY. */ 5680 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5681 MII_OFFSET_ANY, 0); 5682 5683 /* 5684 * XXX Figure out what to do about the HomePNA portion 5685 * XXX of the DM9102A. 5686 */ 5687 5688 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5689 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5690 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5691 } else { 5692 sc->sc_flags |= TULIPF_HAS_MII; 5693 sc->sc_tick = tlp_mii_tick; 5694 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5695 } 5696 } 5697 5698 void 5699 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5700 struct tulip_softc *sc; 5701 struct ifmediareq *ifmr; 5702 { 5703 5704 /* XXX HomePNA on DM9102A. */ 5705 tlp_mii_getmedia(sc, ifmr); 5706 } 5707 5708 int 5709 tlp_dm9102_tmsw_setmedia(sc) 5710 struct tulip_softc *sc; 5711 { 5712 5713 /* XXX HomePNA on DM9102A. */ 5714 return (tlp_mii_setmedia(sc)); 5715 } 5716
Indexes created Mon Sep 22 13:09:51 GMT 2025