tulip.c revision 1.75
1 /* $NetBSD: tulip.c,v 1.75 2000/10/05 07:22:43 bouyer 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 519 520 /* 521 * Make sure the interface is shutdown during reboot. 522 */ 523 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 524 if (sc->sc_sdhook == NULL) 525 printf("%s: WARNING: unable to establish shutdown hook\n", 526 sc->sc_dev.dv_xname); 527 528 /* 529 * Add a suspend hook to make sure we come back up after a 530 * resume. 531 */ 532 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 533 if (sc->sc_powerhook == NULL) 534 printf("%s: WARNING: unable to establish power hook\n", 535 sc->sc_dev.dv_xname); 536 return; 537 538 /* 539 * Free any resources we've allocated during the failed attach 540 * attempt. Do this in reverse order and fall through. 541 */ 542 fail_5: 543 for (i = 0; i < TULIP_NRXDESC; i++) { 544 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 545 bus_dmamap_destroy(sc->sc_dmat, 546 sc->sc_rxsoft[i].rxs_dmamap); 547 } 548 fail_4: 549 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 550 if (sc->sc_txsoft[i].txs_dmamap != NULL) 551 bus_dmamap_destroy(sc->sc_dmat, 552 sc->sc_txsoft[i].txs_dmamap); 553 } 554 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 555 fail_3: 556 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 557 fail_2: 558 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 559 sizeof(struct tulip_control_data)); 560 fail_1: 561 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 562 fail_0: 563 return; 564 } 565 566 /* 567 * tlp_activate: 568 * 569 * Handle device activation/deactivation requests. 570 */ 571 int 572 tlp_activate(self, act) 573 struct device *self; 574 enum devact act; 575 { 576 struct tulip_softc *sc = (void *) self; 577 int s, error = 0; 578 579 s = splnet(); 580 switch (act) { 581 case DVACT_ACTIVATE: 582 error = EOPNOTSUPP; 583 break; 584 585 case DVACT_DEACTIVATE: 586 if (sc->sc_flags & TULIPF_HAS_MII) 587 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 588 MII_OFFSET_ANY); 589 if_deactivate(&sc->sc_ethercom.ec_if); 590 break; 591 } 592 splx(s); 593 594 return (error); 595 } 596 597 /* 598 * tlp_detach: 599 * 600 * Detach a Tulip interface. 601 */ 602 int 603 tlp_detach(sc) 604 struct tulip_softc *sc; 605 { 606 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 607 struct tulip_rxsoft *rxs; 608 struct tulip_txsoft *txs; 609 int i; 610 611 /* 612 * Suceed now if there isn't any work to do. 613 */ 614 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 615 return (0); 616 617 /* Unhook our tick handler. */ 618 if (sc->sc_tick) 619 callout_stop(&sc->sc_tick_callout); 620 621 if (sc->sc_flags & TULIPF_HAS_MII) { 622 /* Detach all PHYs */ 623 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 624 } 625 626 /* Delete all remaining media. */ 627 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 628 629 #if NBPFILTER > 0 630 bpfdetach(ifp); 631 #endif 632 ether_ifdetach(ifp); 633 if_detach(ifp); 634 635 for (i = 0; i < TULIP_NRXDESC; i++) { 636 rxs = &sc->sc_rxsoft[i]; 637 if (rxs->rxs_mbuf != NULL) { 638 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 639 m_freem(rxs->rxs_mbuf); 640 rxs->rxs_mbuf = NULL; 641 } 642 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 643 } 644 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 645 txs = &sc->sc_txsoft[i]; 646 if (txs->txs_mbuf != NULL) { 647 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 648 m_freem(txs->txs_mbuf); 649 txs->txs_mbuf = NULL; 650 } 651 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 652 } 653 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 654 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 655 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 656 sizeof(struct tulip_control_data)); 657 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 658 659 shutdownhook_disestablish(sc->sc_sdhook); 660 powerhook_disestablish(sc->sc_powerhook); 661 662 if (sc->sc_srom) 663 free(sc->sc_srom, M_DEVBUF); 664 665 return (0); 666 } 667 668 /* 669 * tlp_shutdown: 670 * 671 * Make sure the interface is stopped at reboot time. 672 */ 673 void 674 tlp_shutdown(arg) 675 void *arg; 676 { 677 struct tulip_softc *sc = arg; 678 679 tlp_stop(sc, 1); 680 } 681 682 /* 683 * tlp_start: [ifnet interface function] 684 * 685 * Start packet transmission on the interface. 686 */ 687 void 688 tlp_start(ifp) 689 struct ifnet *ifp; 690 { 691 struct tulip_softc *sc = ifp->if_softc; 692 struct mbuf *m0, *m; 693 struct tulip_txsoft *txs, *last_txs; 694 bus_dmamap_t dmamap; 695 int error, firsttx, nexttx, lasttx, ofree, seg; 696 697 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 698 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 699 700 /* 701 * If we want a filter setup, it means no more descriptors were 702 * available for the setup routine. Let it get a chance to wedge 703 * itself into the ring. 704 */ 705 if (sc->sc_flags & TULIPF_WANT_SETUP) 706 ifp->if_flags |= IFF_OACTIVE; 707 708 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 709 return; 710 711 /* 712 * Remember the previous number of free descriptors and 713 * the first descriptor we'll use. 714 */ 715 ofree = sc->sc_txfree; 716 firsttx = sc->sc_txnext; 717 718 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 719 sc->sc_dev.dv_xname, ofree, firsttx)); 720 721 /* 722 * Loop through the send queue, setting up transmit descriptors 723 * until we drain the queue, or use up all available transmit 724 * descriptors. 725 */ 726 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 727 sc->sc_txfree != 0) { 728 /* 729 * Grab a packet off the queue. 730 */ 731 IF_DEQUEUE(&ifp->if_snd, m0); 732 if (m0 == NULL) 733 break; 734 735 dmamap = txs->txs_dmamap; 736 737 /* 738 * Load the DMA map. If this fails, the packet either 739 * didn't fit in the alloted number of segments, or we were 740 * short on resources. In this case, we'll copy and try 741 * again. 742 * 743 * Note that if we're only allowed 1 Tx segment, we 744 * have an alignment restriction. Do this test before 745 * attempting to load the DMA map, because it's more 746 * likely we'll trip the alignment test than the 747 * more-than-one-segment test. 748 */ 749 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 750 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 751 BUS_DMA_NOWAIT) != 0) { 752 MGETHDR(m, M_DONTWAIT, MT_DATA); 753 if (m == NULL) { 754 printf("%s: unable to allocate Tx mbuf\n", 755 sc->sc_dev.dv_xname); 756 IF_PREPEND(&ifp->if_snd, m0); 757 break; 758 } 759 if (m0->m_pkthdr.len > MHLEN) { 760 MCLGET(m, M_DONTWAIT); 761 if ((m->m_flags & M_EXT) == 0) { 762 printf("%s: unable to allocate Tx " 763 "cluster\n", sc->sc_dev.dv_xname); 764 m_freem(m); 765 IF_PREPEND(&ifp->if_snd, m0); 766 break; 767 } 768 } 769 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 770 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 771 m_freem(m0); 772 m0 = m; 773 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 774 m0, BUS_DMA_NOWAIT); 775 if (error) { 776 printf("%s: unable to load Tx buffer, " 777 "error = %d\n", sc->sc_dev.dv_xname, error); 778 IF_PREPEND(&ifp->if_snd, m0); 779 break; 780 } 781 } 782 783 /* 784 * Ensure we have enough descriptors free to describe 785 * the packet. 786 */ 787 if (dmamap->dm_nsegs > sc->sc_txfree) { 788 /* 789 * Not enough free descriptors to transmit this 790 * packet. We haven't committed to anything yet, 791 * so just unload the DMA map, put the packet 792 * back on the queue, and punt. Notify the upper 793 * layer that there are no more slots left. 794 * 795 * XXX We could allocate an mbuf and copy, but 796 * XXX it is worth it? 797 */ 798 ifp->if_flags |= IFF_OACTIVE; 799 bus_dmamap_unload(sc->sc_dmat, dmamap); 800 IF_PREPEND(&ifp->if_snd, m0); 801 break; 802 } 803 804 /* 805 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 806 */ 807 808 /* Sync the DMA map. */ 809 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 810 BUS_DMASYNC_PREWRITE); 811 812 /* 813 * Initialize the transmit descriptors. 814 */ 815 for (nexttx = sc->sc_txnext, seg = 0; 816 seg < dmamap->dm_nsegs; 817 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 818 /* 819 * If this is the first descriptor we're 820 * enqueueing, don't set the OWN bit just 821 * yet. That could cause a race condition. 822 * We'll do it below. 823 */ 824 sc->sc_txdescs[nexttx].td_status = 825 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 826 sc->sc_txdescs[nexttx].td_bufaddr1 = 827 htole32(dmamap->dm_segs[seg].ds_addr); 828 sc->sc_txdescs[nexttx].td_ctl = 829 htole32((dmamap->dm_segs[seg].ds_len << 830 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 831 (nexttx == (TULIP_NTXDESC - 1) ? 832 sc->sc_tdctl_er : 0)); 833 lasttx = nexttx; 834 } 835 836 /* Set `first segment' and `last segment' appropriately. */ 837 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 838 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 839 840 #ifdef TLP_DEBUG 841 if (ifp->if_flags & IFF_DEBUG) { 842 printf(" txsoft %p transmit chain:\n", txs); 843 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 844 printf(" descriptor %d:\n", seg); 845 printf(" td_status: 0x%08x\n", 846 le32toh(sc->sc_txdescs[seg].td_status)); 847 printf(" td_ctl: 0x%08x\n", 848 le32toh(sc->sc_txdescs[seg].td_ctl)); 849 printf(" td_bufaddr1: 0x%08x\n", 850 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 851 printf(" td_bufaddr2: 0x%08x\n", 852 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 853 if (seg == lasttx) 854 break; 855 } 856 } 857 #endif 858 859 /* Sync the descriptors we're using. */ 860 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 861 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 862 863 /* 864 * Store a pointer to the packet so we can free it later, 865 * and remember what txdirty will be once the packet is 866 * done. 867 */ 868 txs->txs_mbuf = m0; 869 txs->txs_firstdesc = sc->sc_txnext; 870 txs->txs_lastdesc = lasttx; 871 txs->txs_ndescs = dmamap->dm_nsegs; 872 873 /* Advance the tx pointer. */ 874 sc->sc_txfree -= dmamap->dm_nsegs; 875 sc->sc_txnext = nexttx; 876 877 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 878 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 879 880 last_txs = txs; 881 882 #if NBPFILTER > 0 883 /* 884 * Pass the packet to any BPF listeners. 885 */ 886 if (ifp->if_bpf) 887 bpf_mtap(ifp->if_bpf, m0); 888 #endif /* NBPFILTER > 0 */ 889 } 890 891 if (txs == NULL || sc->sc_txfree == 0) { 892 /* No more slots left; notify upper layer. */ 893 ifp->if_flags |= IFF_OACTIVE; 894 } 895 896 if (sc->sc_txfree != ofree) { 897 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 898 sc->sc_dev.dv_xname, lasttx, firsttx)); 899 /* 900 * Cause a transmit interrupt to happen on the 901 * last packet we enqueued. 902 */ 903 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 904 TULIP_CDTXSYNC(sc, lasttx, 1, 905 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 906 907 /* 908 * Some clone chips want IC on the *first* segment in 909 * the packet. Appease them. 910 */ 911 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 912 last_txs->txs_firstdesc != lasttx) { 913 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 914 htole32(TDCTL_Tx_IC); 915 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 916 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 917 } 918 919 /* 920 * The entire packet chain is set up. Give the 921 * first descriptor to the chip now. 922 */ 923 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 924 TULIP_CDTXSYNC(sc, firsttx, 1, 925 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 926 927 /* Wake up the transmitter. */ 928 /* XXX USE AUTOPOLLING? */ 929 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 930 931 /* Set a watchdog timer in case the chip flakes out. */ 932 ifp->if_timer = 5; 933 } 934 } 935 936 /* 937 * tlp_watchdog: [ifnet interface function] 938 * 939 * Watchdog timer handler. 940 */ 941 void 942 tlp_watchdog(ifp) 943 struct ifnet *ifp; 944 { 945 struct tulip_softc *sc = ifp->if_softc; 946 int doing_setup, doing_transmit; 947 948 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 949 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 950 951 if (doing_setup && doing_transmit) { 952 printf("%s: filter setup and transmit timeout\n", 953 sc->sc_dev.dv_xname); 954 ifp->if_oerrors++; 955 } else if (doing_transmit) { 956 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 957 ifp->if_oerrors++; 958 } else if (doing_setup) 959 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 960 else 961 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 962 963 (void) tlp_init(sc); 964 965 /* Try to get more packets going. */ 966 tlp_start(ifp); 967 } 968 969 /* 970 * tlp_ioctl: [ifnet interface function] 971 * 972 * Handle control requests from the operator. 973 */ 974 int 975 tlp_ioctl(ifp, cmd, data) 976 struct ifnet *ifp; 977 u_long cmd; 978 caddr_t data; 979 { 980 struct tulip_softc *sc = ifp->if_softc; 981 struct ifreq *ifr = (struct ifreq *)data; 982 struct ifaddr *ifa = (struct ifaddr *)data; 983 int s, error = 0; 984 985 s = splnet(); 986 987 switch (cmd) { 988 case SIOCSIFADDR: 989 if ((error = tlp_enable(sc)) != 0) 990 break; 991 ifp->if_flags |= IFF_UP; 992 993 switch (ifa->ifa_addr->sa_family) { 994 #ifdef INET 995 case AF_INET: 996 if ((error = tlp_init(sc)) != 0) 997 break; 998 arp_ifinit(ifp, ifa); 999 break; 1000 #endif /* INET */ 1001 #ifdef NS 1002 case AF_NS: 1003 { 1004 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1005 1006 if (ns_nullhost(*ina)) 1007 ina->x_host = *(union ns_host *) 1008 LLADDR(ifp->if_sadl); 1009 else 1010 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 1011 ifp->if_addrlen); 1012 /* Set new address. */ 1013 error = tlp_init(sc); 1014 break; 1015 } 1016 #endif /* NS */ 1017 default: 1018 error = tlp_init(sc); 1019 break; 1020 } 1021 break; 1022 1023 case SIOCSIFMTU: 1024 if (ifr->ifr_mtu > ETHERMTU) 1025 error = EINVAL; 1026 else 1027 ifp->if_mtu = ifr->ifr_mtu; 1028 break; 1029 1030 case SIOCSIFFLAGS: 1031 #ifdef TLP_STATS 1032 if (ifp->if_flags & IFF_DEBUG) 1033 tlp_print_stats(sc); 1034 #endif 1035 if ((ifp->if_flags & IFF_UP) == 0 && 1036 (ifp->if_flags & IFF_RUNNING) != 0) { 1037 /* 1038 * If interface is marked down and it is running, then 1039 * stop it. 1040 */ 1041 tlp_stop(sc, 1); 1042 tlp_disable(sc); 1043 } else if ((ifp->if_flags & IFF_UP) != 0 && 1044 (ifp->if_flags & IFF_RUNNING) == 0) { 1045 /* 1046 * If interfase it marked up and it is stopped, then 1047 * start it. 1048 */ 1049 if ((error = tlp_enable(sc)) != 0) 1050 break; 1051 error = tlp_init(sc); 1052 } else if ((ifp->if_flags & IFF_UP) != 0) { 1053 /* 1054 * Reset the interface to pick up changes in any other 1055 * flags that affect the hardware state. 1056 */ 1057 if ((error = tlp_enable(sc)) != 0) 1058 break; 1059 error = tlp_init(sc); 1060 } 1061 break; 1062 1063 case SIOCADDMULTI: 1064 case SIOCDELMULTI: 1065 error = (cmd == SIOCADDMULTI) ? 1066 ether_addmulti(ifr, &sc->sc_ethercom) : 1067 ether_delmulti(ifr, &sc->sc_ethercom); 1068 1069 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1070 /* 1071 * Multicast list has changed. Set the filter 1072 * accordingly. 1073 */ 1074 (*sc->sc_filter_setup)(sc); 1075 error = 0; 1076 } 1077 break; 1078 1079 case SIOCSIFMEDIA: 1080 case SIOCGIFMEDIA: 1081 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1082 break; 1083 1084 default: 1085 error = EINVAL; 1086 break; 1087 } 1088 1089 /* Try to get more packets going. */ 1090 if (TULIP_IS_ENABLED(sc)) 1091 tlp_start(ifp); 1092 1093 splx(s); 1094 return (error); 1095 } 1096 1097 /* 1098 * tlp_intr: 1099 * 1100 * Interrupt service routine. 1101 */ 1102 int 1103 tlp_intr(arg) 1104 void *arg; 1105 { 1106 struct tulip_softc *sc = arg; 1107 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1108 u_int32_t status, rxstatus, txstatus; 1109 int handled = 0, txthresh; 1110 1111 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1112 1113 #ifdef DEBUG 1114 if (TULIP_IS_ENABLED(sc) == 0) 1115 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1116 #endif 1117 1118 /* 1119 * If the interface isn't running, the interrupt couldn't 1120 * possibly have come from us. 1121 */ 1122 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1123 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1124 return (0); 1125 1126 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1127 switch (sc->sc_chip) { 1128 case TULIP_CHIP_DM9102: 1129 case TULIP_CHIP_DM9102A: 1130 TULIP_WRITE(sc, CSR_INTEN, 0); 1131 break; 1132 1133 default: 1134 /* Nothing. */ 1135 } 1136 1137 for (;;) { 1138 status = TULIP_READ(sc, CSR_STATUS); 1139 if (status) 1140 TULIP_WRITE(sc, CSR_STATUS, status); 1141 1142 if ((status & sc->sc_inten) == 0) 1143 break; 1144 1145 handled = 1; 1146 1147 rxstatus = status & sc->sc_rxint_mask; 1148 txstatus = status & sc->sc_txint_mask; 1149 1150 if (rxstatus) { 1151 /* Grab new any new packets. */ 1152 tlp_rxintr(sc); 1153 1154 if (rxstatus & STATUS_RWT) 1155 printf("%s: receive watchdog timeout\n", 1156 sc->sc_dev.dv_xname); 1157 1158 if (rxstatus & STATUS_RU) { 1159 printf("%s: receive ring overrun\n", 1160 sc->sc_dev.dv_xname); 1161 /* Get the receive process going again. */ 1162 if (sc->sc_tdctl_er != TDCTL_ER) { 1163 tlp_idle(sc, OPMODE_SR); 1164 TULIP_WRITE(sc, CSR_RXLIST, 1165 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1166 TULIP_WRITE(sc, CSR_OPMODE, 1167 sc->sc_opmode); 1168 } 1169 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1170 break; 1171 } 1172 } 1173 1174 if (txstatus) { 1175 /* Sweep up transmit descriptors. */ 1176 tlp_txintr(sc); 1177 1178 if (txstatus & STATUS_TJT) 1179 printf("%s: transmit jabber timeout\n", 1180 sc->sc_dev.dv_xname); 1181 1182 if (txstatus & STATUS_UNF) { 1183 /* 1184 * Increase our transmit threshold if 1185 * another is available. 1186 */ 1187 txthresh = sc->sc_txthresh + 1; 1188 if (sc->sc_txth[txthresh].txth_name != NULL) { 1189 /* Idle the transmit process. */ 1190 tlp_idle(sc, OPMODE_ST); 1191 1192 sc->sc_txthresh = txthresh; 1193 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1194 sc->sc_opmode |= 1195 sc->sc_txth[txthresh].txth_opmode; 1196 printf("%s: transmit underrun; new " 1197 "threshold: %s\n", 1198 sc->sc_dev.dv_xname, 1199 sc->sc_txth[txthresh].txth_name); 1200 1201 /* 1202 * Set the new threshold and restart 1203 * the transmit process. 1204 */ 1205 TULIP_WRITE(sc, CSR_OPMODE, 1206 sc->sc_opmode); 1207 } 1208 /* 1209 * XXX Log every Nth underrun from 1210 * XXX now on? 1211 */ 1212 } 1213 } 1214 1215 if (status & (STATUS_TPS|STATUS_RPS)) { 1216 if (status & STATUS_TPS) 1217 printf("%s: transmit process stopped\n", 1218 sc->sc_dev.dv_xname); 1219 if (status & STATUS_RPS) 1220 printf("%s: receive process stopped\n", 1221 sc->sc_dev.dv_xname); 1222 (void) tlp_init(sc); 1223 break; 1224 } 1225 1226 if (status & STATUS_SE) { 1227 const char *str; 1228 switch (status & STATUS_EB) { 1229 case STATUS_EB_PARITY: 1230 str = "parity error"; 1231 break; 1232 1233 case STATUS_EB_MABT: 1234 str = "master abort"; 1235 break; 1236 1237 case STATUS_EB_TABT: 1238 str = "target abort"; 1239 break; 1240 1241 default: 1242 str = "unknown error"; 1243 break; 1244 } 1245 printf("%s: fatal system error: %s\n", 1246 sc->sc_dev.dv_xname, str); 1247 (void) tlp_init(sc); 1248 break; 1249 } 1250 1251 /* 1252 * Not handled: 1253 * 1254 * Transmit buffer unavailable -- normal 1255 * condition, nothing to do, really. 1256 * 1257 * General purpose timer experied -- we don't 1258 * use the general purpose timer. 1259 * 1260 * Early receive interrupt -- not available on 1261 * all chips, we just use RI. We also only 1262 * use single-segment receive DMA, so this 1263 * is mostly useless. 1264 */ 1265 } 1266 1267 /* Bring interrupts back up on the DM9102. */ 1268 switch (sc->sc_chip) { 1269 case TULIP_CHIP_DM9102: 1270 case TULIP_CHIP_DM9102A: 1271 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1272 break; 1273 1274 default: 1275 /* Nothing. */ 1276 } 1277 1278 /* Try to get more packets going. */ 1279 tlp_start(ifp); 1280 1281 return (handled); 1282 } 1283 1284 /* 1285 * tlp_rxintr: 1286 * 1287 * Helper; handle receive interrupts. 1288 */ 1289 void 1290 tlp_rxintr(sc) 1291 struct tulip_softc *sc; 1292 { 1293 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1294 struct ether_header *eh; 1295 struct tulip_rxsoft *rxs; 1296 struct mbuf *m; 1297 u_int32_t rxstat; 1298 int i, len; 1299 1300 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1301 rxs = &sc->sc_rxsoft[i]; 1302 1303 TULIP_CDRXSYNC(sc, i, 1304 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1305 1306 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1307 1308 if (rxstat & TDSTAT_OWN) { 1309 /* 1310 * We have processed all of the receive buffers. 1311 */ 1312 break; 1313 } 1314 1315 /* 1316 * Make sure the packet fit in one buffer. This should 1317 * always be the case. But the Lite-On PNIC, rev 33 1318 * has an awful receive engine bug, which may require 1319 * a very icky work-around. 1320 */ 1321 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1322 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1323 printf("%s: incoming packet spilled, resetting\n", 1324 sc->sc_dev.dv_xname); 1325 (void) tlp_init(sc); 1326 return; 1327 } 1328 1329 /* 1330 * If any collisions were seen on the wire, count one. 1331 */ 1332 if (rxstat & TDSTAT_Rx_CS) 1333 ifp->if_collisions++; 1334 1335 /* 1336 * If an error occured, update stats, clear the status 1337 * word, and leave the packet buffer in place. It will 1338 * simply be reused the next time the ring comes around. 1339 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1340 * error. 1341 */ 1342 if (rxstat & TDSTAT_ES && 1343 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 || 1344 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_RE | 1345 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) { 1346 #define PRINTERR(bit, str) \ 1347 if (rxstat & (bit)) \ 1348 printf("%s: receive error: %s\n", \ 1349 sc->sc_dev.dv_xname, str) 1350 ifp->if_ierrors++; 1351 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1352 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1353 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1354 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1355 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1356 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1357 #undef PRINTERR 1358 TULIP_INIT_RXDESC(sc, i); 1359 continue; 1360 } 1361 1362 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1363 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1364 1365 /* 1366 * No errors; receive the packet. Note the Tulip 1367 * includes the CRC with every packet; trim it. 1368 */ 1369 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1370 1371 #ifdef __NO_STRICT_ALIGNMENT 1372 /* 1373 * Allocate a new mbuf cluster. If that fails, we are 1374 * out of memory, and must drop the packet and recycle 1375 * the buffer that's already attached to this descriptor. 1376 */ 1377 m = rxs->rxs_mbuf; 1378 if (tlp_add_rxbuf(sc, i) != 0) { 1379 ifp->if_ierrors++; 1380 TULIP_INIT_RXDESC(sc, i); 1381 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1382 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1383 continue; 1384 } 1385 #else 1386 /* 1387 * The Tulip's receive buffers must be 4-byte aligned. 1388 * But this means that the data after the Ethernet header 1389 * is misaligned. We must allocate a new buffer and 1390 * copy the data, shifted forward 2 bytes. 1391 */ 1392 MGETHDR(m, M_DONTWAIT, MT_DATA); 1393 if (m == NULL) { 1394 dropit: 1395 ifp->if_ierrors++; 1396 TULIP_INIT_RXDESC(sc, i); 1397 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1398 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1399 continue; 1400 } 1401 if (len > (MHLEN - 2)) { 1402 MCLGET(m, M_DONTWAIT); 1403 if ((m->m_flags & M_EXT) == 0) { 1404 m_freem(m); 1405 goto dropit; 1406 } 1407 } 1408 m->m_data += 2; 1409 1410 /* 1411 * Note that we use clusters for incoming frames, so the 1412 * buffer is virtually contiguous. 1413 */ 1414 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1415 1416 /* Allow the receive descriptor to continue using its mbuf. */ 1417 TULIP_INIT_RXDESC(sc, i); 1418 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1419 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1420 #endif /* __NO_STRICT_ALIGNMENT */ 1421 1422 ifp->if_ipackets++; 1423 eh = mtod(m, struct ether_header *); 1424 m->m_pkthdr.rcvif = ifp; 1425 m->m_pkthdr.len = m->m_len = len; 1426 1427 #if NBPFILTER > 0 1428 /* 1429 * Pass this up to any BPF listeners, but only 1430 * pass it up the stack if its for us. 1431 */ 1432 if (ifp->if_bpf) 1433 bpf_mtap(ifp->if_bpf, m); 1434 #endif /* NPBFILTER > 0 */ 1435 1436 /* 1437 * We sometimes have to run the 21140 in Hash-Only 1438 * mode. If we're in that mode, and not in promiscuous 1439 * mode, and we have a unicast packet that isn't for 1440 * us, then drop it. 1441 */ 1442 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1443 (ifp->if_flags & IFF_PROMISC) == 0 && 1444 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1445 memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1446 ETHER_ADDR_LEN) != 0) { 1447 m_freem(m); 1448 continue; 1449 } 1450 1451 /* Pass it on. */ 1452 (*ifp->if_input)(ifp, m); 1453 } 1454 1455 /* Update the recieve pointer. */ 1456 sc->sc_rxptr = i; 1457 } 1458 1459 /* 1460 * tlp_txintr: 1461 * 1462 * Helper; handle transmit interrupts. 1463 */ 1464 void 1465 tlp_txintr(sc) 1466 struct tulip_softc *sc; 1467 { 1468 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1469 struct tulip_txsoft *txs; 1470 u_int32_t txstat; 1471 1472 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1473 sc->sc_dev.dv_xname, sc->sc_flags)); 1474 1475 ifp->if_flags &= ~IFF_OACTIVE; 1476 1477 /* 1478 * Go through our Tx list and free mbufs for those 1479 * frames that have been transmitted. 1480 */ 1481 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1482 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1483 txs->txs_ndescs, 1484 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1485 1486 #ifdef TLP_DEBUG 1487 if (ifp->if_flags & IFF_DEBUG) { 1488 int i; 1489 printf(" txsoft %p transmit chain:\n", txs); 1490 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1491 printf(" descriptor %d:\n", i); 1492 printf(" td_status: 0x%08x\n", 1493 le32toh(sc->sc_txdescs[i].td_status)); 1494 printf(" td_ctl: 0x%08x\n", 1495 le32toh(sc->sc_txdescs[i].td_ctl)); 1496 printf(" td_bufaddr1: 0x%08x\n", 1497 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1498 printf(" td_bufaddr2: 0x%08x\n", 1499 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1500 if (i == txs->txs_lastdesc) 1501 break; 1502 } 1503 } 1504 #endif 1505 1506 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1507 if (txstat & TDSTAT_OWN) 1508 break; 1509 1510 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1511 1512 sc->sc_txfree += txs->txs_ndescs; 1513 1514 if (txs->txs_mbuf == NULL) { 1515 /* 1516 * If we didn't have an mbuf, it was the setup 1517 * packet. 1518 */ 1519 #ifdef DIAGNOSTIC 1520 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1521 panic("tlp_txintr: null mbuf, not doing setup"); 1522 #endif 1523 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1524 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1525 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1526 continue; 1527 } 1528 1529 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1530 0, txs->txs_dmamap->dm_mapsize, 1531 BUS_DMASYNC_POSTWRITE); 1532 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1533 m_freem(txs->txs_mbuf); 1534 txs->txs_mbuf = NULL; 1535 1536 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1537 1538 /* 1539 * Check for errors and collisions. 1540 */ 1541 #ifdef TLP_STATS 1542 if (txstat & TDSTAT_Tx_UF) 1543 sc->sc_stats.ts_tx_uf++; 1544 if (txstat & TDSTAT_Tx_TO) 1545 sc->sc_stats.ts_tx_to++; 1546 if (txstat & TDSTAT_Tx_EC) 1547 sc->sc_stats.ts_tx_ec++; 1548 if (txstat & TDSTAT_Tx_LC) 1549 sc->sc_stats.ts_tx_lc++; 1550 #endif 1551 1552 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1553 ifp->if_oerrors++; 1554 1555 if (txstat & TDSTAT_Tx_EC) 1556 ifp->if_collisions += 16; 1557 else 1558 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1559 if (txstat & TDSTAT_Tx_LC) 1560 ifp->if_collisions++; 1561 1562 ifp->if_opackets++; 1563 } 1564 1565 /* 1566 * If there are no more pending transmissions, cancel the watchdog 1567 * timer. 1568 */ 1569 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1570 ifp->if_timer = 0; 1571 1572 /* 1573 * If we have a receive filter setup pending, do it now. 1574 */ 1575 if (sc->sc_flags & TULIPF_WANT_SETUP) 1576 (*sc->sc_filter_setup)(sc); 1577 } 1578 1579 #ifdef TLP_STATS 1580 void 1581 tlp_print_stats(sc) 1582 struct tulip_softc *sc; 1583 { 1584 1585 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1586 sc->sc_dev.dv_xname, 1587 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1588 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1589 } 1590 #endif 1591 1592 /* 1593 * tlp_reset: 1594 * 1595 * Perform a soft reset on the Tulip. 1596 */ 1597 void 1598 tlp_reset(sc) 1599 struct tulip_softc *sc; 1600 { 1601 int i; 1602 1603 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1604 1605 /* 1606 * Xircom clone doesn't bring itself out of reset automatically. 1607 * Instead, we have to wait at least 50 PCI cycles, and then 1608 * clear SWR. 1609 */ 1610 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1611 delay(10); 1612 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1613 } 1614 1615 for (i = 0; i < 1000; i++) { 1616 /* 1617 * Wait at least 50 PCI cycles for the reset to 1618 * complete before peeking at the Tulip again. 1619 * 10 uSec is a bit longer than 50 PCI cycles 1620 * (at 33MHz), but it doesn't hurt have the extra 1621 * wait. 1622 */ 1623 delay(10); 1624 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1625 break; 1626 } 1627 1628 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1629 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1630 1631 delay(1000); 1632 1633 /* 1634 * If the board has any GPIO reset sequences to issue, do them now. 1635 */ 1636 if (sc->sc_reset != NULL) 1637 (*sc->sc_reset)(sc); 1638 } 1639 1640 /* 1641 * tlp_init: 1642 * 1643 * Initialize the interface. Must be called at splnet(). 1644 */ 1645 int 1646 tlp_init(sc) 1647 struct tulip_softc *sc; 1648 { 1649 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1650 struct tulip_txsoft *txs; 1651 struct tulip_rxsoft *rxs; 1652 int i, error = 0; 1653 1654 /* 1655 * Cancel any pending I/O. 1656 */ 1657 tlp_stop(sc, 0); 1658 1659 /* 1660 * Initialize `opmode' to 0, and call the pre-init routine, if 1661 * any. This is required because the 2114x and some of the 1662 * clones require that the media-related bits in `opmode' be 1663 * set before performing a soft-reset in order to get internal 1664 * chip pathways are correct. Yay! 1665 */ 1666 sc->sc_opmode = 0; 1667 if (sc->sc_preinit != NULL) 1668 (*sc->sc_preinit)(sc); 1669 1670 /* 1671 * Reset the Tulip to a known state. 1672 */ 1673 tlp_reset(sc); 1674 1675 /* 1676 * Initialize the BUSMODE register. 1677 */ 1678 sc->sc_busmode = BUSMODE_BAR; 1679 switch (sc->sc_chip) { 1680 case TULIP_CHIP_21140: 1681 case TULIP_CHIP_21140A: 1682 case TULIP_CHIP_21142: 1683 case TULIP_CHIP_21143: 1684 case TULIP_CHIP_82C115: 1685 case TULIP_CHIP_MX98725: 1686 /* 1687 * If we're allowed to do so, use Memory Read Line 1688 * and Memory Read Multiple. 1689 * 1690 * XXX Should we use Memory Write and Invalidate? 1691 */ 1692 if (sc->sc_flags & TULIPF_MRL) 1693 sc->sc_busmode |= BUSMODE_RLE; 1694 if (sc->sc_flags & TULIPF_MRM) 1695 sc->sc_busmode |= BUSMODE_RME; 1696 #if 0 1697 if (sc->sc_flags & TULIPF_MWI) 1698 sc->sc_busmode |= BUSMODE_WLE; 1699 #endif 1700 1701 default: 1702 /* Nothing. */ 1703 } 1704 switch (sc->sc_cacheline) { 1705 default: 1706 /* 1707 * Note: We must *always* set these bits; a cache 1708 * alignment of 0 is RESERVED. 1709 */ 1710 case 8: 1711 sc->sc_busmode |= BUSMODE_CAL_8LW; 1712 break; 1713 case 16: 1714 sc->sc_busmode |= BUSMODE_CAL_16LW; 1715 break; 1716 case 32: 1717 sc->sc_busmode |= BUSMODE_CAL_32LW; 1718 break; 1719 } 1720 switch (sc->sc_chip) { 1721 case TULIP_CHIP_82C168: 1722 case TULIP_CHIP_82C169: 1723 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1724 break; 1725 default: 1726 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1727 break; 1728 } 1729 #if BYTE_ORDER == BIG_ENDIAN 1730 /* 1731 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1732 * support them, and even on ones that do, it doesn't 1733 * always work. 1734 */ 1735 #endif 1736 1737 /* 1738 * Some chips have a broken bus interface. 1739 */ 1740 switch (sc->sc_chip) { 1741 case TULIP_CHIP_DM9102: 1742 case TULIP_CHIP_DM9102A: 1743 sc->sc_busmode = 0; 1744 break; 1745 1746 default: 1747 /* Nothing. */ 1748 } 1749 1750 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1751 1752 /* 1753 * Initialize the OPMODE register. We don't write it until 1754 * we're ready to begin the transmit and receive processes. 1755 * 1756 * Media-related OPMODE bits are set in the media callbacks 1757 * for each specific chip/board. 1758 */ 1759 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1760 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1761 1762 /* 1763 * Magical mystery initialization on the Macronix chips. 1764 * The MX98713 uses its own magic value, the rest share 1765 * a common one. 1766 */ 1767 switch (sc->sc_chip) { 1768 case TULIP_CHIP_MX98713: 1769 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1770 break; 1771 1772 case TULIP_CHIP_MX98713A: 1773 case TULIP_CHIP_MX98715: 1774 case TULIP_CHIP_MX98715A: 1775 case TULIP_CHIP_MX98715AEC_X: 1776 case TULIP_CHIP_MX98725: 1777 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1778 break; 1779 1780 default: 1781 /* Nothing. */ 1782 } 1783 1784 /* 1785 * Initialize the transmit descriptor ring. 1786 */ 1787 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1788 for (i = 0; i < TULIP_NTXDESC; i++) { 1789 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1790 sc->sc_txdescs[i].td_bufaddr2 = 1791 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1792 } 1793 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1794 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1795 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1796 sc->sc_txfree = TULIP_NTXDESC; 1797 sc->sc_txnext = 0; 1798 1799 /* 1800 * Initialize the transmit job descriptors. 1801 */ 1802 SIMPLEQ_INIT(&sc->sc_txfreeq); 1803 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1804 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1805 txs = &sc->sc_txsoft[i]; 1806 txs->txs_mbuf = NULL; 1807 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1808 } 1809 1810 /* 1811 * Initialize the receive descriptor and receive job 1812 * descriptor rings. 1813 */ 1814 for (i = 0; i < TULIP_NRXDESC; i++) { 1815 rxs = &sc->sc_rxsoft[i]; 1816 if (rxs->rxs_mbuf == NULL) { 1817 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1818 printf("%s: unable to allocate or map rx " 1819 "buffer %d, error = %d\n", 1820 sc->sc_dev.dv_xname, i, error); 1821 /* 1822 * XXX Should attempt to run with fewer receive 1823 * XXX buffers instead of just failing. 1824 */ 1825 tlp_rxdrain(sc); 1826 goto out; 1827 } 1828 } 1829 } 1830 sc->sc_rxptr = 0; 1831 1832 /* 1833 * Initialize the interrupt mask and enable interrupts. 1834 */ 1835 /* normal interrupts */ 1836 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1837 1838 /* abnormal interrupts */ 1839 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1840 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1841 1842 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1843 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1844 1845 switch (sc->sc_chip) { 1846 case TULIP_CHIP_WB89C840F: 1847 /* 1848 * Clear bits that we don't want that happen to 1849 * overlap or don't exist. 1850 */ 1851 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1852 break; 1853 1854 default: 1855 /* Nothing. */ 1856 } 1857 1858 sc->sc_rxint_mask &= sc->sc_inten; 1859 sc->sc_txint_mask &= sc->sc_inten; 1860 1861 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1862 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1863 1864 /* 1865 * Give the transmit and receive rings to the Tulip. 1866 */ 1867 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1868 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1869 1870 /* 1871 * On chips that do this differently, set the station address. 1872 */ 1873 switch (sc->sc_chip) { 1874 case TULIP_CHIP_WB89C840F: 1875 { 1876 /* XXX Do this with stream writes? */ 1877 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1878 1879 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1880 bus_space_write_1(sc->sc_st, sc->sc_sh, 1881 cpa + i, LLADDR(ifp->if_sadl)[i]); 1882 } 1883 break; 1884 } 1885 1886 case TULIP_CHIP_AL981: 1887 case TULIP_CHIP_AN983: 1888 case TULIP_CHIP_AN985: 1889 { 1890 u_int32_t reg; 1891 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1892 1893 reg = enaddr[0] | 1894 (enaddr[1] << 8) | 1895 (enaddr[2] << 16) | 1896 (enaddr[3] << 24); 1897 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1898 1899 reg = enaddr[4] | 1900 (enaddr[5] << 8); 1901 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1902 } 1903 1904 default: 1905 /* Nothing. */ 1906 } 1907 1908 /* 1909 * Set the receive filter. This will start the transmit and 1910 * receive processes. 1911 */ 1912 (*sc->sc_filter_setup)(sc); 1913 1914 /* 1915 * Set the current media. 1916 */ 1917 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1918 1919 /* 1920 * Start the receive process. 1921 */ 1922 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1923 1924 if (sc->sc_tick != NULL) { 1925 /* Start the one second clock. */ 1926 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1927 } 1928 1929 /* 1930 * Note that the interface is now running. 1931 */ 1932 ifp->if_flags |= IFF_RUNNING; 1933 ifp->if_flags &= ~IFF_OACTIVE; 1934 1935 out: 1936 if (error) 1937 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1938 return (error); 1939 } 1940 1941 /* 1942 * tlp_enable: 1943 * 1944 * Enable the Tulip chip. 1945 */ 1946 int 1947 tlp_enable(sc) 1948 struct tulip_softc *sc; 1949 { 1950 1951 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1952 if ((*sc->sc_enable)(sc) != 0) { 1953 printf("%s: device enable failed\n", 1954 sc->sc_dev.dv_xname); 1955 return (EIO); 1956 } 1957 sc->sc_flags |= TULIPF_ENABLED; 1958 } 1959 return (0); 1960 } 1961 1962 /* 1963 * tlp_disable: 1964 * 1965 * Disable the Tulip chip. 1966 */ 1967 void 1968 tlp_disable(sc) 1969 struct tulip_softc *sc; 1970 { 1971 1972 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1973 (*sc->sc_disable)(sc); 1974 sc->sc_flags &= ~TULIPF_ENABLED; 1975 } 1976 } 1977 1978 /* 1979 * tlp_power: 1980 * 1981 * Power management (suspend/resume) hook. 1982 */ 1983 void 1984 tlp_power(why, arg) 1985 int why; 1986 void *arg; 1987 { 1988 struct tulip_softc *sc = arg; 1989 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1990 int s; 1991 1992 s = splnet(); 1993 if (why != PWR_RESUME) { 1994 tlp_stop(sc, 0); 1995 if (sc->sc_power != NULL) 1996 (*sc->sc_power)(sc, why); 1997 } else if (ifp->if_flags & IFF_UP) { 1998 if (sc->sc_power != NULL) 1999 (*sc->sc_power)(sc, why); 2000 tlp_init(sc); 2001 } 2002 splx(s); 2003 } 2004 2005 /* 2006 * tlp_rxdrain: 2007 * 2008 * Drain the receive queue. 2009 */ 2010 void 2011 tlp_rxdrain(sc) 2012 struct tulip_softc *sc; 2013 { 2014 struct tulip_rxsoft *rxs; 2015 int i; 2016 2017 for (i = 0; i < TULIP_NRXDESC; i++) { 2018 rxs = &sc->sc_rxsoft[i]; 2019 if (rxs->rxs_mbuf != NULL) { 2020 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2021 m_freem(rxs->rxs_mbuf); 2022 rxs->rxs_mbuf = NULL; 2023 } 2024 } 2025 } 2026 2027 /* 2028 * tlp_stop: 2029 * 2030 * Stop transmission on the interface. 2031 */ 2032 void 2033 tlp_stop(sc, drain) 2034 struct tulip_softc *sc; 2035 int drain; 2036 { 2037 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2038 struct tulip_txsoft *txs; 2039 2040 if (sc->sc_tick != NULL) { 2041 /* Stop the one second clock. */ 2042 callout_stop(&sc->sc_tick_callout); 2043 } 2044 2045 if (sc->sc_flags & TULIPF_HAS_MII) { 2046 /* Down the MII. */ 2047 mii_down(&sc->sc_mii); 2048 } 2049 2050 /* Disable interrupts. */ 2051 TULIP_WRITE(sc, CSR_INTEN, 0); 2052 2053 /* Stop the transmit and receive processes. */ 2054 sc->sc_opmode = 0; 2055 TULIP_WRITE(sc, CSR_OPMODE, 0); 2056 TULIP_WRITE(sc, CSR_RXLIST, 0); 2057 TULIP_WRITE(sc, CSR_TXLIST, 0); 2058 2059 /* 2060 * Release any queued transmit buffers. 2061 */ 2062 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2063 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 2064 if (txs->txs_mbuf != NULL) { 2065 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2066 m_freem(txs->txs_mbuf); 2067 txs->txs_mbuf = NULL; 2068 } 2069 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2070 } 2071 2072 if (drain) { 2073 /* 2074 * Release the receive buffers. 2075 */ 2076 tlp_rxdrain(sc); 2077 } 2078 2079 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2080 2081 /* 2082 * Mark the interface down and cancel the watchdog timer. 2083 */ 2084 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2085 ifp->if_timer = 0; 2086 } 2087 2088 #define SROM_EMIT(sc, x) \ 2089 do { \ 2090 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2091 delay(2); \ 2092 } while (0) 2093 2094 /* 2095 * tlp_srom_idle: 2096 * 2097 * Put the SROM in idle state. 2098 */ 2099 void 2100 tlp_srom_idle(sc) 2101 struct tulip_softc *sc; 2102 { 2103 u_int32_t miirom; 2104 int i; 2105 2106 miirom = MIIROM_SR; 2107 SROM_EMIT(sc, miirom); 2108 2109 miirom |= MIIROM_RD; 2110 SROM_EMIT(sc, miirom); 2111 2112 miirom |= MIIROM_SROMCS; 2113 SROM_EMIT(sc, miirom); 2114 2115 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2116 2117 /* Strobe the clock 32 times. */ 2118 for (i = 0; i < 32; i++) { 2119 SROM_EMIT(sc, miirom); 2120 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2121 } 2122 2123 SROM_EMIT(sc, miirom); 2124 2125 miirom &= ~MIIROM_SROMCS; 2126 SROM_EMIT(sc, miirom); 2127 2128 SROM_EMIT(sc, 0); 2129 } 2130 2131 /* 2132 * tlp_srom_size: 2133 * 2134 * Determine the number of address bits in the SROM. 2135 */ 2136 int 2137 tlp_srom_size(sc) 2138 struct tulip_softc *sc; 2139 { 2140 u_int32_t miirom; 2141 int x; 2142 2143 /* Select the SROM. */ 2144 miirom = MIIROM_SR; 2145 SROM_EMIT(sc, miirom); 2146 2147 miirom |= MIIROM_RD; 2148 SROM_EMIT(sc, miirom); 2149 2150 /* Send CHIP SELECT for one clock tick. */ 2151 miirom |= MIIROM_SROMCS; 2152 SROM_EMIT(sc, miirom); 2153 2154 /* Shift in the READ opcode. */ 2155 for (x = 3; x > 0; x--) { 2156 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2157 miirom |= MIIROM_SROMDI; 2158 else 2159 miirom &= ~MIIROM_SROMDI; 2160 SROM_EMIT(sc, miirom); 2161 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2162 SROM_EMIT(sc, miirom); 2163 } 2164 2165 /* Shift in address and look for dummy 0 bit. */ 2166 for (x = 1; x <= 12; x++) { 2167 miirom &= ~MIIROM_SROMDI; 2168 SROM_EMIT(sc, miirom); 2169 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2170 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2171 break; 2172 SROM_EMIT(sc, miirom); 2173 } 2174 2175 /* Clear CHIP SELECT. */ 2176 miirom &= ~MIIROM_SROMCS; 2177 SROM_EMIT(sc, miirom); 2178 2179 /* Deselect the SROM. */ 2180 SROM_EMIT(sc, 0); 2181 2182 if (x < 4 || x > 12) { 2183 printf("%s: broken MicroWire interface detected; " 2184 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname); 2185 return (6); 2186 } else { 2187 if (tlp_srom_debug) 2188 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2189 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2190 return (x); 2191 } 2192 } 2193 2194 /* 2195 * tlp_read_srom: 2196 * 2197 * Read the Tulip SROM. 2198 */ 2199 int 2200 tlp_read_srom(sc) 2201 struct tulip_softc *sc; 2202 { 2203 int size; 2204 u_int32_t miirom; 2205 u_int16_t datain; 2206 int i, x; 2207 2208 tlp_srom_idle(sc); 2209 2210 sc->sc_srom_addrbits = tlp_srom_size(sc); 2211 if (sc->sc_srom_addrbits == 0) 2212 return (0); 2213 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2214 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2215 2216 /* Select the SROM. */ 2217 miirom = MIIROM_SR; 2218 SROM_EMIT(sc, miirom); 2219 2220 miirom |= MIIROM_RD; 2221 SROM_EMIT(sc, miirom); 2222 2223 for (i = 0; i < size; i += 2) { 2224 /* Send CHIP SELECT for one clock tick. */ 2225 miirom |= MIIROM_SROMCS; 2226 SROM_EMIT(sc, miirom); 2227 2228 /* Shift in the READ opcode. */ 2229 for (x = 3; x > 0; x--) { 2230 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2231 miirom |= MIIROM_SROMDI; 2232 else 2233 miirom &= ~MIIROM_SROMDI; 2234 SROM_EMIT(sc, miirom); 2235 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2236 SROM_EMIT(sc, miirom); 2237 } 2238 2239 /* Shift in address. */ 2240 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2241 if (i & (1 << x)) 2242 miirom |= MIIROM_SROMDI; 2243 else 2244 miirom &= ~MIIROM_SROMDI; 2245 SROM_EMIT(sc, miirom); 2246 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2247 SROM_EMIT(sc, miirom); 2248 } 2249 2250 /* Shift out data. */ 2251 miirom &= ~MIIROM_SROMDI; 2252 datain = 0; 2253 for (x = 16; x > 0; x--) { 2254 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2255 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2256 datain |= (1 << (x - 1)); 2257 SROM_EMIT(sc, miirom); 2258 } 2259 sc->sc_srom[i] = datain & 0xff; 2260 sc->sc_srom[i + 1] = datain >> 8; 2261 2262 /* Clear CHIP SELECT. */ 2263 miirom &= ~MIIROM_SROMCS; 2264 SROM_EMIT(sc, miirom); 2265 } 2266 2267 /* Deselect the SROM. */ 2268 SROM_EMIT(sc, 0); 2269 2270 /* ...and idle it. */ 2271 tlp_srom_idle(sc); 2272 2273 if (tlp_srom_debug) { 2274 printf("SROM CONTENTS:"); 2275 for (i = 0; i < size; i++) { 2276 if ((i % 8) == 0) 2277 printf("\n\t"); 2278 printf("0x%02x ", sc->sc_srom[i]); 2279 } 2280 printf("\n"); 2281 } 2282 2283 return (1); 2284 } 2285 2286 #undef SROM_EMIT 2287 2288 /* 2289 * tlp_add_rxbuf: 2290 * 2291 * Add a receive buffer to the indicated descriptor. 2292 */ 2293 int 2294 tlp_add_rxbuf(sc, idx) 2295 struct tulip_softc *sc; 2296 int idx; 2297 { 2298 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2299 struct mbuf *m; 2300 int error; 2301 2302 MGETHDR(m, M_DONTWAIT, MT_DATA); 2303 if (m == NULL) 2304 return (ENOBUFS); 2305 2306 MCLGET(m, M_DONTWAIT); 2307 if ((m->m_flags & M_EXT) == 0) { 2308 m_freem(m); 2309 return (ENOBUFS); 2310 } 2311 2312 if (rxs->rxs_mbuf != NULL) 2313 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2314 2315 rxs->rxs_mbuf = m; 2316 2317 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2318 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2319 if (error) { 2320 printf("%s: can't load rx DMA map %d, error = %d\n", 2321 sc->sc_dev.dv_xname, idx, error); 2322 panic("tlp_add_rxbuf"); /* XXX */ 2323 } 2324 2325 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2326 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2327 2328 TULIP_INIT_RXDESC(sc, idx); 2329 2330 return (0); 2331 } 2332 2333 /* 2334 * tlp_srom_crcok: 2335 * 2336 * Check the CRC of the Tulip SROM. 2337 */ 2338 int 2339 tlp_srom_crcok(romdata) 2340 const u_int8_t *romdata; 2341 { 2342 u_int32_t crc; 2343 2344 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2345 crc = (crc & 0xffff) ^ 0xffff; 2346 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2347 return (1); 2348 2349 /* 2350 * Try an alternate checksum. 2351 */ 2352 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2353 crc = (crc & 0xffff) ^ 0xffff; 2354 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2355 return (1); 2356 2357 return (0); 2358 } 2359 2360 /* 2361 * tlp_isv_srom: 2362 * 2363 * Check to see if the SROM is in the new standardized format. 2364 */ 2365 int 2366 tlp_isv_srom(romdata) 2367 const u_int8_t *romdata; 2368 { 2369 int i; 2370 u_int16_t cksum; 2371 2372 if (tlp_srom_crcok(romdata)) { 2373 /* 2374 * SROM CRC checks out; must be in the new format. 2375 */ 2376 return (1); 2377 } 2378 2379 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2380 if (cksum == 0xffff || cksum == 0) { 2381 /* 2382 * No checksum present. Check the SROM ID; 18 bytes of 0 2383 * followed by 1 (version) followed by the number of 2384 * adapters which use this SROM (should be non-zero). 2385 */ 2386 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2387 if (romdata[i] != 0) 2388 return (0); 2389 } 2390 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2391 return (0); 2392 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2393 return (0); 2394 return (1); 2395 } 2396 2397 return (0); 2398 } 2399 2400 /* 2401 * tlp_isv_srom_enaddr: 2402 * 2403 * Get the Ethernet address from an ISV SROM. 2404 */ 2405 int 2406 tlp_isv_srom_enaddr(sc, enaddr) 2407 struct tulip_softc *sc; 2408 u_int8_t *enaddr; 2409 { 2410 int i, devcnt; 2411 2412 if (tlp_isv_srom(sc->sc_srom) == 0) 2413 return (0); 2414 2415 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2416 for (i = 0; i < devcnt; i++) { 2417 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2418 break; 2419 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2420 sc->sc_devno) 2421 break; 2422 } 2423 2424 if (i == devcnt) 2425 return (0); 2426 2427 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2428 ETHER_ADDR_LEN); 2429 enaddr[5] += i; 2430 2431 return (1); 2432 } 2433 2434 /* 2435 * tlp_parse_old_srom: 2436 * 2437 * Parse old-format SROMs. 2438 * 2439 * This routine is largely lifted from Matt Thomas's `de' driver. 2440 */ 2441 int 2442 tlp_parse_old_srom(sc, enaddr) 2443 struct tulip_softc *sc; 2444 u_int8_t *enaddr; 2445 { 2446 static const u_int8_t testpat[] = 2447 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2448 int i; 2449 u_int32_t cksum; 2450 2451 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2452 /* 2453 * Some vendors (e.g. ZNYX) don't use the standard 2454 * DEC Address ROM format, but rather just have an 2455 * Ethernet address in the first 6 bytes, maybe a 2456 * 2 byte checksum, and then all 0xff's. 2457 * 2458 * On the other hand, Cobalt Networks interfaces 2459 * simply have the address in the first six bytes 2460 * with the rest zeroed out. 2461 */ 2462 for (i = 8; i < 32; i++) { 2463 if (sc->sc_srom[i] != 0xff && 2464 sc->sc_srom[i] != 0) 2465 return (0); 2466 } 2467 2468 /* 2469 * Sanity check the Ethernet address: 2470 * 2471 * - Make sure it's not multicast or locally 2472 * assigned 2473 * - Make sure it has a non-0 OUI 2474 */ 2475 if (sc->sc_srom[0] & 3) 2476 return (0); 2477 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2478 sc->sc_srom[2] == 0) 2479 return (0); 2480 2481 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2482 return (1); 2483 } 2484 2485 /* 2486 * Standard DEC Address ROM test. 2487 */ 2488 2489 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2490 return (0); 2491 2492 for (i = 0; i < 8; i++) { 2493 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2494 return (0); 2495 } 2496 2497 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2498 2499 cksum = *(u_int16_t *) &enaddr[0]; 2500 2501 cksum <<= 1; 2502 if (cksum > 0xffff) 2503 cksum -= 0xffff; 2504 2505 cksum += *(u_int16_t *) &enaddr[2]; 2506 if (cksum > 0xffff) 2507 cksum -= 0xffff; 2508 2509 cksum <<= 1; 2510 if (cksum > 0xffff) 2511 cksum -= 0xffff; 2512 2513 cksum += *(u_int16_t *) &enaddr[4]; 2514 if (cksum >= 0xffff) 2515 cksum -= 0xffff; 2516 2517 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2518 return (0); 2519 2520 return (1); 2521 } 2522 2523 /* 2524 * tlp_filter_setup: 2525 * 2526 * Set the Tulip's receive filter. 2527 */ 2528 void 2529 tlp_filter_setup(sc) 2530 struct tulip_softc *sc; 2531 { 2532 struct ethercom *ec = &sc->sc_ethercom; 2533 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2534 struct ether_multi *enm; 2535 struct ether_multistep step; 2536 __volatile u_int32_t *sp; 2537 struct tulip_txsoft *txs; 2538 u_int8_t enaddr[ETHER_ADDR_LEN]; 2539 u_int32_t hash, hashsize; 2540 int cnt; 2541 2542 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2543 sc->sc_dev.dv_xname, sc->sc_flags)); 2544 2545 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2546 2547 /* 2548 * If there are transmissions pending, wait until they have 2549 * completed. 2550 */ 2551 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2552 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2553 sc->sc_flags |= TULIPF_WANT_SETUP; 2554 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2555 sc->sc_dev.dv_xname)); 2556 return; 2557 } 2558 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2559 2560 switch (sc->sc_chip) { 2561 case TULIP_CHIP_82C115: 2562 hashsize = TULIP_PNICII_HASHSIZE; 2563 break; 2564 2565 default: 2566 hashsize = TULIP_MCHASHSIZE; 2567 } 2568 2569 /* 2570 * If we're running, idle the transmit and receive engines. If 2571 * we're NOT running, we're being called from tlp_init(), and our 2572 * writing OPMODE will start the transmit and receive processes 2573 * in motion. 2574 */ 2575 if (ifp->if_flags & IFF_RUNNING) 2576 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2577 2578 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2579 2580 if (ifp->if_flags & IFF_PROMISC) { 2581 sc->sc_opmode |= OPMODE_PR; 2582 goto allmulti; 2583 } 2584 2585 /* 2586 * Try Perfect filtering first. 2587 */ 2588 2589 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2590 sp = TULIP_CDSP(sc); 2591 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2592 cnt = 0; 2593 ETHER_FIRST_MULTI(step, ec, enm); 2594 while (enm != NULL) { 2595 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2596 /* 2597 * We must listen to a range of multicast addresses. 2598 * For now, just accept all multicasts, rather than 2599 * trying to set only those filter bits needed to match 2600 * the range. (At this time, the only use of address 2601 * ranges is for IP multicast routing, for which the 2602 * range is big enough to require all bits set.) 2603 */ 2604 goto allmulti; 2605 } 2606 if (cnt == (TULIP_MAXADDRS - 2)) { 2607 /* 2608 * We already have our multicast limit (still need 2609 * our station address and broadcast). Go to 2610 * Hash-Perfect mode. 2611 */ 2612 goto hashperfect; 2613 } 2614 cnt++; 2615 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2616 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2617 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2618 ETHER_NEXT_MULTI(step, enm); 2619 } 2620 2621 if (ifp->if_flags & IFF_BROADCAST) { 2622 /* ...and the broadcast address. */ 2623 cnt++; 2624 *sp++ = TULIP_SP_FIELD_C(0xffff); 2625 *sp++ = TULIP_SP_FIELD_C(0xffff); 2626 *sp++ = TULIP_SP_FIELD_C(0xffff); 2627 } 2628 2629 /* Pad the rest with our station address. */ 2630 for (; cnt < TULIP_MAXADDRS; cnt++) { 2631 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2632 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2633 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2634 } 2635 ifp->if_flags &= ~IFF_ALLMULTI; 2636 goto setit; 2637 2638 hashperfect: 2639 /* 2640 * Try Hash-Perfect mode. 2641 */ 2642 2643 /* 2644 * Some 21140 chips have broken Hash-Perfect modes. On these 2645 * chips, we simply use Hash-Only mode, and put our station 2646 * address into the filter. 2647 */ 2648 if (sc->sc_chip == TULIP_CHIP_21140) 2649 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2650 else 2651 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2652 sp = TULIP_CDSP(sc); 2653 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2654 ETHER_FIRST_MULTI(step, ec, enm); 2655 while (enm != NULL) { 2656 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2657 /* 2658 * We must listen to a range of multicast addresses. 2659 * For now, just accept all multicasts, rather than 2660 * trying to set only those filter bits needed to match 2661 * the range. (At this time, the only use of address 2662 * ranges is for IP multicast routing, for which the 2663 * range is big enough to require all bits set.) 2664 */ 2665 goto allmulti; 2666 } 2667 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2668 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2669 ETHER_NEXT_MULTI(step, enm); 2670 } 2671 2672 if (ifp->if_flags & IFF_BROADCAST) { 2673 /* ...and the broadcast address. */ 2674 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2675 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2676 } 2677 2678 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2679 /* ...and our station address. */ 2680 hash = tlp_mchash(enaddr, hashsize); 2681 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2682 } else { 2683 /* 2684 * Hash-Perfect mode; put our station address after 2685 * the hash table. 2686 */ 2687 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2688 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2689 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2690 } 2691 ifp->if_flags &= ~IFF_ALLMULTI; 2692 goto setit; 2693 2694 allmulti: 2695 /* 2696 * Use Perfect filter mode. First address is the broadcast address, 2697 * and pad the rest with our station address. We'll set Pass-all- 2698 * multicast in OPMODE below. 2699 */ 2700 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2701 sp = TULIP_CDSP(sc); 2702 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2703 cnt = 0; 2704 if (ifp->if_flags & IFF_BROADCAST) { 2705 cnt++; 2706 *sp++ = TULIP_SP_FIELD_C(0xffff); 2707 *sp++ = TULIP_SP_FIELD_C(0xffff); 2708 *sp++ = TULIP_SP_FIELD_C(0xffff); 2709 } 2710 for (; cnt < TULIP_MAXADDRS; cnt++) { 2711 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2712 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2713 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2714 } 2715 ifp->if_flags |= IFF_ALLMULTI; 2716 2717 setit: 2718 if (ifp->if_flags & IFF_ALLMULTI) 2719 sc->sc_opmode |= OPMODE_PM; 2720 2721 /* Sync the setup packet buffer. */ 2722 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2723 2724 /* 2725 * Fill in the setup packet descriptor. 2726 */ 2727 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2728 2729 txs->txs_firstdesc = sc->sc_txnext; 2730 txs->txs_lastdesc = sc->sc_txnext; 2731 txs->txs_ndescs = 1; 2732 txs->txs_mbuf = NULL; 2733 2734 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2735 htole32(TULIP_CDSPADDR(sc)); 2736 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2737 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2738 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2739 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2740 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2741 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2742 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2743 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2744 2745 /* Advance the tx pointer. */ 2746 sc->sc_txfree -= 1; 2747 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2748 2749 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2750 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2751 2752 /* 2753 * Set the OPMODE register. This will also resume the 2754 * transmit transmit process we idled above. 2755 */ 2756 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2757 2758 sc->sc_flags |= TULIPF_DOING_SETUP; 2759 2760 /* 2761 * Kick the transmitter; this will cause the Tulip to 2762 * read the setup descriptor. 2763 */ 2764 /* XXX USE AUTOPOLLING? */ 2765 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2766 2767 /* Set up a watchdog timer in case the chip flakes out. */ 2768 ifp->if_timer = 5; 2769 2770 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2771 } 2772 2773 /* 2774 * tlp_winb_filter_setup: 2775 * 2776 * Set the Winbond 89C840F's receive filter. 2777 */ 2778 void 2779 tlp_winb_filter_setup(sc) 2780 struct tulip_softc *sc; 2781 { 2782 struct ethercom *ec = &sc->sc_ethercom; 2783 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2784 struct ether_multi *enm; 2785 struct ether_multistep step; 2786 u_int32_t hash, mchash[2]; 2787 2788 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2789 sc->sc_dev.dv_xname, sc->sc_flags)); 2790 2791 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2792 2793 if (ifp->if_flags & IFF_MULTICAST) 2794 sc->sc_opmode |= OPMODE_WINB_AMP; 2795 2796 if (ifp->if_flags & IFF_BROADCAST) 2797 sc->sc_opmode |= OPMODE_WINB_ABP; 2798 2799 if (ifp->if_flags & IFF_PROMISC) { 2800 sc->sc_opmode |= OPMODE_WINB_APP; 2801 goto allmulti; 2802 } 2803 2804 mchash[0] = mchash[1] = 0; 2805 2806 ETHER_FIRST_MULTI(step, ec, enm); 2807 while (enm != NULL) { 2808 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2809 /* 2810 * We must listen to a range of multicast addresses. 2811 * For now, just accept all multicasts, rather than 2812 * trying to set only those filter bits needed to match 2813 * the range. (At this time, the only use of address 2814 * ranges is for IP multicast routing, for which the 2815 * range is big enough to require all bits set.) 2816 */ 2817 goto allmulti; 2818 } 2819 2820 /* 2821 * According to the FreeBSD `wb' driver, yes, you 2822 * really do invert the hash. 2823 */ 2824 hash = 2825 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2826 & 0x3f; 2827 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2828 ETHER_NEXT_MULTI(step, enm); 2829 } 2830 ifp->if_flags &= ~IFF_ALLMULTI; 2831 goto setit; 2832 2833 allmulti: 2834 ifp->if_flags |= IFF_ALLMULTI; 2835 mchash[0] = mchash[1] = 0xffffffff; 2836 2837 setit: 2838 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2839 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2840 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2841 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2842 sc->sc_dev.dv_xname)); 2843 } 2844 2845 /* 2846 * tlp_al981_filter_setup: 2847 * 2848 * Set the ADMtek AL981's receive filter. 2849 */ 2850 void 2851 tlp_al981_filter_setup(sc) 2852 struct tulip_softc *sc; 2853 { 2854 struct ethercom *ec = &sc->sc_ethercom; 2855 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2856 struct ether_multi *enm; 2857 struct ether_multistep step; 2858 u_int32_t hash, mchash[2]; 2859 2860 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2861 sc->sc_dev.dv_xname, sc->sc_flags)); 2862 2863 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2864 2865 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2866 2867 if (ifp->if_flags & IFF_PROMISC) { 2868 sc->sc_opmode |= OPMODE_PR; 2869 goto allmulti; 2870 } 2871 2872 mchash[0] = mchash[1] = 0; 2873 2874 ETHER_FIRST_MULTI(step, ec, enm); 2875 while (enm != NULL) { 2876 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2877 /* 2878 * We must listen to a range of multicast addresses. 2879 * For now, just accept all multicasts, rather than 2880 * trying to set only those filter bits needed to match 2881 * the range. (At this time, the only use of address 2882 * ranges is for IP multicast routing, for which the 2883 * range is big enough to require all bits set.) 2884 */ 2885 goto allmulti; 2886 } 2887 2888 hash = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 2889 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2890 ETHER_NEXT_MULTI(step, enm); 2891 } 2892 ifp->if_flags &= ~IFF_ALLMULTI; 2893 goto setit; 2894 2895 allmulti: 2896 ifp->if_flags |= IFF_ALLMULTI; 2897 mchash[0] = mchash[1] = 0xffffffff; 2898 2899 setit: 2900 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2901 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2902 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2903 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2904 sc->sc_dev.dv_xname)); 2905 } 2906 2907 /* 2908 * tlp_idle: 2909 * 2910 * Cause the transmit and/or receive processes to go idle. 2911 */ 2912 void 2913 tlp_idle(sc, bits) 2914 struct tulip_softc *sc; 2915 u_int32_t bits; 2916 { 2917 static const char *tlp_tx_state_names[] = { 2918 "STOPPED", 2919 "RUNNING - FETCH", 2920 "RUNNING - WAIT", 2921 "RUNNING - READING", 2922 "-- RESERVED --", 2923 "RUNNING - SETUP", 2924 "SUSPENDED", 2925 "RUNNING - CLOSE", 2926 }; 2927 static const char *tlp_rx_state_names[] = { 2928 "STOPPED", 2929 "RUNNING - FETCH", 2930 "RUNNING - CHECK", 2931 "RUNNING - WAIT", 2932 "SUSPENDED", 2933 "RUNNING - CLOSE", 2934 "RUNNING - FLUSH", 2935 "RUNNING - QUEUE", 2936 }; 2937 static const char *dm9102_tx_state_names[] = { 2938 "STOPPED", 2939 "RUNNING - FETCH", 2940 "RUNNING - SETUP", 2941 "RUNNING - READING", 2942 "RUNNING - CLOSE - CLEAR OWNER", 2943 "RUNNING - WAIT", 2944 "RUNNING - CLOSE - WRITE STATUS", 2945 "SUSPENDED", 2946 }; 2947 static const char *dm9102_rx_state_names[] = { 2948 "STOPPED", 2949 "RUNNING - FETCH", 2950 "RUNNING - WAIT", 2951 "RUNNING - QUEUE", 2952 "RUNNING - CLOSE - CLEAR OWNER", 2953 "RUNNING - CLOSE - WRITE STATUS", 2954 "SUSPENDED", 2955 "RUNNING - FLUSH", 2956 }; 2957 2958 const char **tx_state_names, **rx_state_names; 2959 u_int32_t csr, ackmask = 0; 2960 int i; 2961 2962 switch (sc->sc_chip) { 2963 case TULIP_CHIP_DM9102: 2964 case TULIP_CHIP_DM9102A: 2965 tx_state_names = dm9102_tx_state_names; 2966 rx_state_names = dm9102_rx_state_names; 2967 break; 2968 2969 default: 2970 tx_state_names = tlp_tx_state_names; 2971 rx_state_names = tlp_rx_state_names; 2972 break; 2973 } 2974 2975 if (bits & OPMODE_ST) 2976 ackmask |= STATUS_TPS; 2977 2978 if (bits & OPMODE_SR) 2979 ackmask |= STATUS_RPS; 2980 2981 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2982 2983 for (i = 0; i < 1000; i++) { 2984 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2985 break; 2986 delay(10); 2987 } 2988 2989 csr = TULIP_READ(sc, CSR_STATUS); 2990 if ((csr & ackmask) != ackmask) { 2991 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2992 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2993 printf("%s: transmit process failed to idle: " 2994 "state %s\n", sc->sc_dev.dv_xname, 2995 tx_state_names[(csr & STATUS_TS) >> 20]); 2996 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2997 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2998 printf("%s: receive process failed to idle: " 2999 "state %s\n", sc->sc_dev.dv_xname, 3000 rx_state_names[(csr & STATUS_RS) >> 17]); 3001 } 3002 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3003 } 3004 3005 /***************************************************************************** 3006 * Generic media support functions. 3007 *****************************************************************************/ 3008 3009 /* 3010 * tlp_mediastatus: [ifmedia interface function] 3011 * 3012 * Query the current media. 3013 */ 3014 void 3015 tlp_mediastatus(ifp, ifmr) 3016 struct ifnet *ifp; 3017 struct ifmediareq *ifmr; 3018 { 3019 struct tulip_softc *sc = ifp->if_softc; 3020 3021 if (TULIP_IS_ENABLED(sc) == 0) { 3022 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3023 ifmr->ifm_status = 0; 3024 return; 3025 } 3026 3027 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3028 } 3029 3030 /* 3031 * tlp_mediachange: [ifmedia interface function] 3032 * 3033 * Update the current media. 3034 */ 3035 int 3036 tlp_mediachange(ifp) 3037 struct ifnet *ifp; 3038 { 3039 struct tulip_softc *sc = ifp->if_softc; 3040 3041 if ((ifp->if_flags & IFF_UP) == 0) 3042 return (0); 3043 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3044 } 3045 3046 /***************************************************************************** 3047 * Support functions for MII-attached media. 3048 *****************************************************************************/ 3049 3050 /* 3051 * tlp_mii_tick: 3052 * 3053 * One second timer, used to tick the MII. 3054 */ 3055 void 3056 tlp_mii_tick(arg) 3057 void *arg; 3058 { 3059 struct tulip_softc *sc = arg; 3060 int s; 3061 3062 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 3063 return; 3064 3065 s = splnet(); 3066 mii_tick(&sc->sc_mii); 3067 splx(s); 3068 3069 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3070 } 3071 3072 /* 3073 * tlp_mii_statchg: [mii interface function] 3074 * 3075 * Callback from PHY when media changes. 3076 */ 3077 void 3078 tlp_mii_statchg(self) 3079 struct device *self; 3080 { 3081 struct tulip_softc *sc = (struct tulip_softc *)self; 3082 3083 /* Idle the transmit and receive processes. */ 3084 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3085 3086 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3087 3088 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3089 sc->sc_opmode |= OPMODE_TTM; 3090 else 3091 sc->sc_opmode |= OPMODE_HBD; 3092 3093 if (sc->sc_mii.mii_media_active & IFM_FDX) 3094 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3095 3096 /* 3097 * Write new OPMODE bits. This also restarts the transmit 3098 * and receive processes. 3099 */ 3100 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3101 } 3102 3103 /* 3104 * tlp_winb_mii_statchg: [mii interface function] 3105 * 3106 * Callback from PHY when media changes. This version is 3107 * for the Winbond 89C840F, which has different OPMODE bits. 3108 */ 3109 void 3110 tlp_winb_mii_statchg(self) 3111 struct device *self; 3112 { 3113 struct tulip_softc *sc = (struct tulip_softc *)self; 3114 3115 /* Idle the transmit and receive processes. */ 3116 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3117 3118 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3119 3120 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3121 sc->sc_opmode |= OPMODE_WINB_FES; 3122 3123 if (sc->sc_mii.mii_media_active & IFM_FDX) 3124 sc->sc_opmode |= OPMODE_FD; 3125 3126 /* 3127 * Write new OPMODE bits. This also restarts the transmit 3128 * and receive processes. 3129 */ 3130 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3131 } 3132 3133 /* 3134 * tlp_dm9102_mii_statchg: [mii interface function] 3135 * 3136 * Callback from PHY when media changes. This version is 3137 * for the DM9102. 3138 */ 3139 void 3140 tlp_dm9102_mii_statchg(self) 3141 struct device *self; 3142 { 3143 struct tulip_softc *sc = (struct tulip_softc *)self; 3144 3145 /* 3146 * Don't idle the transmit and receive processes, here. It 3147 * seems to fail, and just causes excess noise. 3148 */ 3149 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3150 3151 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3152 sc->sc_opmode |= OPMODE_TTM; 3153 3154 if (sc->sc_mii.mii_media_active & IFM_FDX) 3155 sc->sc_opmode |= OPMODE_FD; 3156 3157 /* 3158 * Write new OPMODE bits. 3159 */ 3160 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3161 } 3162 3163 /* 3164 * tlp_mii_getmedia: 3165 * 3166 * Callback from ifmedia to request current media status. 3167 */ 3168 void 3169 tlp_mii_getmedia(sc, ifmr) 3170 struct tulip_softc *sc; 3171 struct ifmediareq *ifmr; 3172 { 3173 3174 mii_pollstat(&sc->sc_mii); 3175 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3176 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3177 } 3178 3179 /* 3180 * tlp_mii_setmedia: 3181 * 3182 * Callback from ifmedia to request new media setting. 3183 */ 3184 int 3185 tlp_mii_setmedia(sc) 3186 struct tulip_softc *sc; 3187 { 3188 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3189 3190 if (ifp->if_flags & IFF_UP) { 3191 switch (sc->sc_chip) { 3192 case TULIP_CHIP_21142: 3193 case TULIP_CHIP_21143: 3194 /* Disable the internal Nway engine. */ 3195 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3196 break; 3197 3198 default: 3199 /* Nothing. */ 3200 } 3201 mii_mediachg(&sc->sc_mii); 3202 } 3203 return (0); 3204 } 3205 3206 /* 3207 * tlp_bitbang_mii_readreg: 3208 * 3209 * Read a PHY register via bit-bang'ing the MII. 3210 */ 3211 int 3212 tlp_bitbang_mii_readreg(self, phy, reg) 3213 struct device *self; 3214 int phy, reg; 3215 { 3216 struct tulip_softc *sc = (void *) self; 3217 3218 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3219 } 3220 3221 /* 3222 * tlp_bitbang_mii_writereg: 3223 * 3224 * Write a PHY register via bit-bang'ing the MII. 3225 */ 3226 void 3227 tlp_bitbang_mii_writereg(self, phy, reg, val) 3228 struct device *self; 3229 int phy, reg, val; 3230 { 3231 struct tulip_softc *sc = (void *) self; 3232 3233 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3234 } 3235 3236 /* 3237 * tlp_sio_mii_bitbang_read: 3238 * 3239 * Read the MII serial port for the MII bit-bang module. 3240 */ 3241 u_int32_t 3242 tlp_sio_mii_bitbang_read(self) 3243 struct device *self; 3244 { 3245 struct tulip_softc *sc = (void *) self; 3246 3247 return (TULIP_READ(sc, CSR_MIIROM)); 3248 } 3249 3250 /* 3251 * tlp_sio_mii_bitbang_write: 3252 * 3253 * Write the MII serial port for the MII bit-bang module. 3254 */ 3255 void 3256 tlp_sio_mii_bitbang_write(self, val) 3257 struct device *self; 3258 u_int32_t val; 3259 { 3260 struct tulip_softc *sc = (void *) self; 3261 3262 TULIP_WRITE(sc, CSR_MIIROM, val); 3263 } 3264 3265 /* 3266 * tlp_pnic_mii_readreg: 3267 * 3268 * Read a PHY register on the Lite-On PNIC. 3269 */ 3270 int 3271 tlp_pnic_mii_readreg(self, phy, reg) 3272 struct device *self; 3273 int phy, reg; 3274 { 3275 struct tulip_softc *sc = (void *) self; 3276 u_int32_t val; 3277 int i; 3278 3279 TULIP_WRITE(sc, CSR_PNIC_MII, 3280 PNIC_MII_MBO | PNIC_MII_RESERVED | 3281 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3282 (reg << PNIC_MII_REGSHIFT)); 3283 3284 for (i = 0; i < 1000; i++) { 3285 delay(10); 3286 val = TULIP_READ(sc, CSR_PNIC_MII); 3287 if ((val & PNIC_MII_BUSY) == 0) { 3288 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3289 return (0); 3290 else 3291 return (val & PNIC_MII_DATA); 3292 } 3293 } 3294 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3295 return (0); 3296 } 3297 3298 /* 3299 * tlp_pnic_mii_writereg: 3300 * 3301 * Write a PHY register on the Lite-On PNIC. 3302 */ 3303 void 3304 tlp_pnic_mii_writereg(self, phy, reg, val) 3305 struct device *self; 3306 int phy, reg, val; 3307 { 3308 struct tulip_softc *sc = (void *) self; 3309 int i; 3310 3311 TULIP_WRITE(sc, CSR_PNIC_MII, 3312 PNIC_MII_MBO | PNIC_MII_RESERVED | 3313 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3314 (reg << PNIC_MII_REGSHIFT) | val); 3315 3316 for (i = 0; i < 1000; i++) { 3317 delay(10); 3318 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3319 return; 3320 } 3321 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3322 } 3323 3324 const bus_addr_t tlp_al981_phy_regmap[] = { 3325 CSR_ADM_BMCR, 3326 CSR_ADM_BMSR, 3327 CSR_ADM_PHYIDR1, 3328 CSR_ADM_PHYIDR2, 3329 CSR_ADM_ANAR, 3330 CSR_ADM_ANLPAR, 3331 CSR_ADM_ANER, 3332 3333 CSR_ADM_XMC, 3334 CSR_ADM_XCIIS, 3335 CSR_ADM_XIE, 3336 CSR_ADM_100CTR, 3337 }; 3338 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3339 sizeof(tlp_al981_phy_regmap[0]); 3340 3341 /* 3342 * tlp_al981_mii_readreg: 3343 * 3344 * Read a PHY register on the ADMtek AL981. 3345 */ 3346 int 3347 tlp_al981_mii_readreg(self, phy, reg) 3348 struct device *self; 3349 int phy, reg; 3350 { 3351 struct tulip_softc *sc = (struct tulip_softc *)self; 3352 3353 /* AL981 only has an internal PHY. */ 3354 if (phy != 0) 3355 return (0); 3356 3357 if (reg >= tlp_al981_phy_regmap_size) 3358 return (0); 3359 3360 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3361 tlp_al981_phy_regmap[reg]) & 0xffff); 3362 } 3363 3364 /* 3365 * tlp_al981_mii_writereg: 3366 * 3367 * Write a PHY register on the ADMtek AL981. 3368 */ 3369 void 3370 tlp_al981_mii_writereg(self, phy, reg, val) 3371 struct device *self; 3372 int phy, reg, val; 3373 { 3374 struct tulip_softc *sc = (struct tulip_softc *)self; 3375 3376 /* AL981 only has an internal PHY. */ 3377 if (phy != 0) 3378 return; 3379 3380 if (reg >= tlp_al981_phy_regmap_size) 3381 return; 3382 3383 bus_space_write_4(sc->sc_st, sc->sc_sh, 3384 tlp_al981_phy_regmap[reg], val); 3385 } 3386 3387 /***************************************************************************** 3388 * Chip-specific pre-init and reset functions. 3389 *****************************************************************************/ 3390 3391 /* 3392 * tlp_2114x_preinit: 3393 * 3394 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3395 */ 3396 void 3397 tlp_2114x_preinit(sc) 3398 struct tulip_softc *sc; 3399 { 3400 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3401 struct tulip_21x4x_media *tm = ife->ifm_aux; 3402 3403 /* 3404 * Whether or not we're in MII or SIA/SYM mode, the media info 3405 * contains the appropriate OPMODE bits. 3406 * 3407 * Note that if we have no media info, we are are doing 3408 * non-MII `auto'. 3409 * 3410 * Also, we always set the Must-Be-One bit. 3411 */ 3412 if (tm == NULL) { 3413 #ifdef DIAGNOSTIC 3414 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3415 panic("tlp_2114x_preinit: not IFM_AUTO"); 3416 if (sc->sc_nway_active == NULL) 3417 panic("tlp_2114x_preinit: nway_active NULL"); 3418 #endif 3419 tm = sc->sc_nway_active->ifm_aux; 3420 } 3421 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3422 3423 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3424 } 3425 3426 /* 3427 * tlp_2114x_mii_preinit: 3428 * 3429 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3430 * This version is used by boards which only have MII and don't have 3431 * an ISV SROM. 3432 */ 3433 void 3434 tlp_2114x_mii_preinit(sc) 3435 struct tulip_softc *sc; 3436 { 3437 3438 /* 3439 * Always set the Must-Be-One bit, and Port Select (to select MII). 3440 * We'll never be called during a media change. 3441 */ 3442 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3443 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3444 } 3445 3446 /* 3447 * tlp_pnic_preinit: 3448 * 3449 * Pre-init function for the Lite-On 82c168 and 82c169. 3450 */ 3451 void 3452 tlp_pnic_preinit(sc) 3453 struct tulip_softc *sc; 3454 { 3455 3456 if (sc->sc_flags & TULIPF_HAS_MII) { 3457 /* 3458 * MII case: just set the port-select bit; we will never 3459 * be called during a media change. 3460 */ 3461 sc->sc_opmode |= OPMODE_PS; 3462 } else { 3463 /* 3464 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3465 */ 3466 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3467 } 3468 } 3469 3470 /* 3471 * tlp_dm9102_preinit: 3472 * 3473 * Pre-init function for the Davicom DM9102. 3474 */ 3475 void 3476 tlp_dm9102_preinit(sc) 3477 struct tulip_softc *sc; 3478 { 3479 3480 switch (sc->sc_chip) { 3481 case TULIP_CHIP_DM9102: 3482 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3483 break; 3484 3485 case TULIP_CHIP_DM9102A: 3486 /* 3487 * XXX Figure out how to actually deal with the HomePNA 3488 * XXX portion of the DM9102A. 3489 */ 3490 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3491 break; 3492 3493 default: 3494 /* Nothing. */ 3495 } 3496 3497 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3498 } 3499 3500 /* 3501 * tlp_21140_reset: 3502 * 3503 * Issue a reset sequence on the 21140 via the GPIO facility. 3504 */ 3505 void 3506 tlp_21140_reset(sc) 3507 struct tulip_softc *sc; 3508 { 3509 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3510 struct tulip_21x4x_media *tm = ife->ifm_aux; 3511 int i; 3512 3513 /* First, set the direction on the GPIO pins. */ 3514 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3515 3516 /* Now, issue the reset sequence. */ 3517 for (i = 0; i < tm->tm_reset_length; i++) { 3518 delay(10); 3519 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3520 } 3521 3522 /* Now, issue the selection sequence. */ 3523 for (i = 0; i < tm->tm_gp_length; i++) { 3524 delay(10); 3525 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3526 } 3527 3528 /* If there were no sequences, just lower the pins. */ 3529 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3530 TULIP_WRITE(sc, CSR_GPP, 0); 3531 } 3532 3533 /* 3534 * tlp_21142_reset: 3535 * 3536 * Issue a reset sequence on the 21142 via the GPIO facility. 3537 */ 3538 void 3539 tlp_21142_reset(sc) 3540 struct tulip_softc *sc; 3541 { 3542 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3543 struct tulip_21x4x_media *tm = ife->ifm_aux; 3544 const u_int8_t *ncp; 3545 int i; 3546 3547 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3548 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3549 delay(10); 3550 TULIP_WRITE(sc, CSR_SIAGEN, 3551 TULIP_ROM_GETW(ncp, 0) << 16); 3552 } 3553 3554 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3555 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3556 delay(10); 3557 TULIP_WRITE(sc, CSR_SIAGEN, 3558 TULIP_ROM_GETW(ncp, 0) << 16); 3559 } 3560 3561 /* If there were no sequences, just lower the pins. */ 3562 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3563 delay(10); 3564 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3565 } 3566 } 3567 3568 /* 3569 * tlp_pmac_reset: 3570 * 3571 * Reset routine for Macronix chips. 3572 */ 3573 void 3574 tlp_pmac_reset(sc) 3575 struct tulip_softc *sc; 3576 { 3577 3578 switch (sc->sc_chip) { 3579 case TULIP_CHIP_82C115: 3580 case TULIP_CHIP_MX98715: 3581 case TULIP_CHIP_MX98715A: 3582 case TULIP_CHIP_MX98725: 3583 /* 3584 * Set the LED operating mode. This information is located 3585 * in the EEPROM at byte offset 0x77, per the MX98715A and 3586 * MX98725 application notes. 3587 */ 3588 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3589 break; 3590 case TULIP_CHIP_MX98715AEC_X: 3591 /* 3592 * Set the LED operating mode. This information is located 3593 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3594 * application note. 3595 */ 3596 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3597 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3598 break; 3599 3600 default: 3601 /* Nothing. */ 3602 } 3603 } 3604 3605 /* 3606 * tlp_dm9102_reset: 3607 * 3608 * Reset routine for the Davicom DM9102. 3609 */ 3610 void 3611 tlp_dm9102_reset(sc) 3612 struct tulip_softc *sc; 3613 { 3614 3615 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3616 delay(100); 3617 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3618 } 3619 3620 /***************************************************************************** 3621 * Chip/board-specific media switches. The ones here are ones that 3622 * are potentially common to multiple front-ends. 3623 *****************************************************************************/ 3624 3625 /* 3626 * This table is a common place for all sorts of media information, 3627 * keyed off of the SROM media code for that media. 3628 * 3629 * Note that we explicitly configure the 21142/21143 to always advertise 3630 * NWay capabilities when using the UTP port. 3631 * XXX Actually, we don't yet. 3632 */ 3633 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3634 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3635 "10baseT", 3636 0, 3637 { SIACONN_21040_10BASET, 3638 SIATXRX_21040_10BASET, 3639 SIAGEN_21040_10BASET }, 3640 3641 { SIACONN_21041_10BASET, 3642 SIATXRX_21041_10BASET, 3643 SIAGEN_21041_10BASET }, 3644 3645 { SIACONN_21142_10BASET, 3646 SIATXRX_21142_10BASET, 3647 SIAGEN_21142_10BASET } }, 3648 3649 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3650 "10base2", 3651 0, 3652 { 0, 3653 0, 3654 0 }, 3655 3656 { SIACONN_21041_BNC, 3657 SIATXRX_21041_BNC, 3658 SIAGEN_21041_BNC }, 3659 3660 { SIACONN_21142_BNC, 3661 SIATXRX_21142_BNC, 3662 SIAGEN_21142_BNC } }, 3663 3664 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3665 "10base5", 3666 0, 3667 { SIACONN_21040_AUI, 3668 SIATXRX_21040_AUI, 3669 SIAGEN_21040_AUI }, 3670 3671 { SIACONN_21041_AUI, 3672 SIATXRX_21041_AUI, 3673 SIAGEN_21041_AUI }, 3674 3675 { SIACONN_21142_AUI, 3676 SIATXRX_21142_AUI, 3677 SIAGEN_21142_AUI } }, 3678 3679 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3680 "100baseTX", 3681 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3682 { 0, 3683 0, 3684 0 }, 3685 3686 { 0, 3687 0, 3688 0 }, 3689 3690 { 0, 3691 0, 3692 SIAGEN_ABM } }, 3693 3694 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3695 "10baseT-FDX", 3696 OPMODE_FD|OPMODE_HBD, 3697 { SIACONN_21040_10BASET_FDX, 3698 SIATXRX_21040_10BASET_FDX, 3699 SIAGEN_21040_10BASET_FDX }, 3700 3701 { SIACONN_21041_10BASET_FDX, 3702 SIATXRX_21041_10BASET_FDX, 3703 SIAGEN_21041_10BASET_FDX }, 3704 3705 { SIACONN_21142_10BASET_FDX, 3706 SIATXRX_21142_10BASET_FDX, 3707 SIAGEN_21142_10BASET_FDX } }, 3708 3709 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3710 "100baseTX-FDX", 3711 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3712 { 0, 3713 0, 3714 0 }, 3715 3716 { 0, 3717 0, 3718 0 }, 3719 3720 { 0, 3721 0, 3722 SIAGEN_ABM } }, 3723 3724 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3725 "100baseT4", 3726 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3727 { 0, 3728 0, 3729 0 }, 3730 3731 { 0, 3732 0, 3733 0 }, 3734 3735 { 0, 3736 0, 3737 SIAGEN_ABM } }, 3738 3739 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3740 "100baseFX", 3741 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3742 { 0, 3743 0, 3744 0 }, 3745 3746 { 0, 3747 0, 3748 0 }, 3749 3750 { 0, 3751 0, 3752 SIAGEN_ABM } }, 3753 3754 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3755 "100baseFX-FDX", 3756 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3757 { 0, 3758 0, 3759 0 }, 3760 3761 { 0, 3762 0, 3763 0 }, 3764 3765 { 0, 3766 0, 3767 SIAGEN_ABM } }, 3768 3769 { 0, 0, 0, 3770 NULL, 3771 0, 3772 { 0, 3773 0, 3774 0 }, 3775 3776 { 0, 3777 0, 3778 0 }, 3779 3780 { 0, 3781 0, 3782 0 } }, 3783 }; 3784 3785 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3786 void tlp_srom_media_info __P((struct tulip_softc *, 3787 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3788 void tlp_add_srom_media __P((struct tulip_softc *, int, 3789 void (*)(struct tulip_softc *, struct ifmediareq *), 3790 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3791 void tlp_print_media __P((struct tulip_softc *)); 3792 void tlp_nway_activate __P((struct tulip_softc *, int)); 3793 void tlp_get_minst __P((struct tulip_softc *)); 3794 3795 const struct tulip_srom_to_ifmedia * 3796 tlp_srom_to_ifmedia(sm) 3797 u_int8_t sm; 3798 { 3799 const struct tulip_srom_to_ifmedia *tsti; 3800 3801 for (tsti = tulip_srom_to_ifmedia_table; 3802 tsti->tsti_name != NULL; tsti++) { 3803 if (tsti->tsti_srom == sm) 3804 return (tsti); 3805 } 3806 3807 return (NULL); 3808 } 3809 3810 void 3811 tlp_srom_media_info(sc, tsti, tm) 3812 struct tulip_softc *sc; 3813 const struct tulip_srom_to_ifmedia *tsti; 3814 struct tulip_21x4x_media *tm; 3815 { 3816 3817 tm->tm_name = tsti->tsti_name; 3818 tm->tm_opmode = tsti->tsti_opmode; 3819 3820 switch (sc->sc_chip) { 3821 case TULIP_CHIP_DE425: 3822 case TULIP_CHIP_21040: 3823 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3824 break; 3825 3826 case TULIP_CHIP_21041: 3827 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3828 break; 3829 3830 case TULIP_CHIP_21142: 3831 case TULIP_CHIP_21143: 3832 case TULIP_CHIP_82C115: 3833 case TULIP_CHIP_MX98715: 3834 case TULIP_CHIP_MX98715A: 3835 case TULIP_CHIP_MX98715AEC_X: 3836 case TULIP_CHIP_MX98725: 3837 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3838 break; 3839 3840 default: 3841 /* Nothing. */ 3842 } 3843 } 3844 3845 void 3846 tlp_add_srom_media(sc, type, get, set, list, cnt) 3847 struct tulip_softc *sc; 3848 int type; 3849 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3850 int (*set) __P((struct tulip_softc *)); 3851 const u_int8_t *list; 3852 int cnt; 3853 { 3854 struct tulip_21x4x_media *tm; 3855 const struct tulip_srom_to_ifmedia *tsti; 3856 int i; 3857 3858 for (i = 0; i < cnt; i++) { 3859 tsti = tlp_srom_to_ifmedia(list[i]); 3860 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3861 memset(tm, 0, sizeof(*tm)); 3862 tlp_srom_media_info(sc, tsti, tm); 3863 tm->tm_type = type; 3864 tm->tm_get = get; 3865 tm->tm_set = set; 3866 3867 ifmedia_add(&sc->sc_mii.mii_media, 3868 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3869 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3870 } 3871 } 3872 3873 void 3874 tlp_print_media(sc) 3875 struct tulip_softc *sc; 3876 { 3877 struct ifmedia_entry *ife; 3878 struct tulip_21x4x_media *tm; 3879 const char *sep = ""; 3880 3881 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3882 3883 printf("%s: ", sc->sc_dev.dv_xname); 3884 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3885 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3886 tm = ife->ifm_aux; 3887 if (tm == NULL) { 3888 #ifdef DIAGNOSTIC 3889 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3890 panic("tlp_print_media"); 3891 #endif 3892 PRINT("auto"); 3893 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3894 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3895 PRINT(tm->tm_name); 3896 } 3897 } 3898 printf("\n"); 3899 3900 #undef PRINT 3901 } 3902 3903 void 3904 tlp_nway_activate(sc, media) 3905 struct tulip_softc *sc; 3906 int media; 3907 { 3908 struct ifmedia_entry *ife; 3909 3910 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3911 #ifdef DIAGNOSTIC 3912 if (ife == NULL) 3913 panic("tlp_nway_activate"); 3914 #endif 3915 sc->sc_nway_active = ife; 3916 } 3917 3918 void 3919 tlp_get_minst(sc) 3920 struct tulip_softc *sc; 3921 { 3922 3923 if ((sc->sc_media_seen & 3924 ~((1 << TULIP_ROM_MB_21140_MII) | 3925 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3926 /* 3927 * We have not yet seen any SIA/SYM media (but are 3928 * about to; that's why we're called!), so assign 3929 * the current media instance to be the `internal media' 3930 * instance, and advance it so any MII media gets a 3931 * fresh one (used to selecting/isolating a PHY). 3932 */ 3933 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3934 } 3935 } 3936 3937 /* 3938 * SIA Utility functions. 3939 */ 3940 void tlp_sia_update_link __P((struct tulip_softc *)); 3941 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3942 int tlp_sia_set __P((struct tulip_softc *)); 3943 void tlp_sia_fixup __P((struct tulip_softc *)); 3944 3945 void 3946 tlp_sia_update_link(sc) 3947 struct tulip_softc *sc; 3948 { 3949 struct ifmedia_entry *ife; 3950 struct tulip_21x4x_media *tm; 3951 u_int32_t siastat; 3952 3953 ife = TULIP_CURRENT_MEDIA(sc); 3954 tm = ife->ifm_aux; 3955 3956 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3957 3958 siastat = TULIP_READ(sc, CSR_SIASTAT); 3959 3960 /* 3961 * Note that when we do SIA link tests, we are assuming that 3962 * the chip is really in the mode that the current media setting 3963 * reflects. If we're not, then the link tests will not be 3964 * accurate! 3965 */ 3966 switch (IFM_SUBTYPE(ife->ifm_media)) { 3967 case IFM_10_T: 3968 sc->sc_flags |= TULIPF_LINK_VALID; 3969 if ((siastat & SIASTAT_LS10) == 0) 3970 sc->sc_flags |= TULIPF_LINK_UP; 3971 break; 3972 3973 case IFM_100_TX: 3974 case IFM_100_T4: 3975 sc->sc_flags |= TULIPF_LINK_VALID; 3976 if ((siastat & SIASTAT_LS100) == 0) 3977 sc->sc_flags |= TULIPF_LINK_UP; 3978 break; 3979 } 3980 3981 switch (sc->sc_chip) { 3982 case TULIP_CHIP_21142: 3983 case TULIP_CHIP_21143: 3984 /* 3985 * On these chips, we can tell more information about 3986 * AUI/BNC. Note that the AUI/BNC selection is made 3987 * in a different register; for our purpose, it's all 3988 * AUI. 3989 */ 3990 switch (IFM_SUBTYPE(ife->ifm_media)) { 3991 case IFM_10_2: 3992 case IFM_10_5: 3993 sc->sc_flags |= TULIPF_LINK_VALID; 3994 if (siastat & SIASTAT_ARA) { 3995 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3996 sc->sc_flags |= TULIPF_LINK_UP; 3997 } 3998 break; 3999 4000 default: 4001 /* 4002 * If we're SYM media and can detect the link 4003 * via the GPIO facility, prefer that status 4004 * over LS100. 4005 */ 4006 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4007 tm->tm_actmask != 0) { 4008 sc->sc_flags = (sc->sc_flags & 4009 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4010 if (TULIP_ISSET(sc, CSR_SIAGEN, 4011 tm->tm_actmask) == tm->tm_actdata) 4012 sc->sc_flags |= TULIPF_LINK_UP; 4013 } 4014 } 4015 break; 4016 4017 default: 4018 /* Nothing. */ 4019 } 4020 } 4021 4022 void 4023 tlp_sia_get(sc, ifmr) 4024 struct tulip_softc *sc; 4025 struct ifmediareq *ifmr; 4026 { 4027 struct ifmedia_entry *ife; 4028 4029 ifmr->ifm_status = 0; 4030 4031 tlp_sia_update_link(sc); 4032 4033 ife = TULIP_CURRENT_MEDIA(sc); 4034 4035 if (sc->sc_flags & TULIPF_LINK_VALID) 4036 ifmr->ifm_status |= IFM_AVALID; 4037 if (sc->sc_flags & TULIPF_LINK_UP) 4038 ifmr->ifm_status |= IFM_ACTIVE; 4039 ifmr->ifm_active = ife->ifm_media; 4040 } 4041 4042 void 4043 tlp_sia_fixup(sc) 4044 struct tulip_softc *sc; 4045 { 4046 struct ifmedia_entry *ife; 4047 struct tulip_21x4x_media *tm; 4048 u_int32_t siaconn, siatxrx, siagen; 4049 4050 switch (sc->sc_chip) { 4051 case TULIP_CHIP_82C115: 4052 case TULIP_CHIP_MX98713A: 4053 case TULIP_CHIP_MX98715: 4054 case TULIP_CHIP_MX98715A: 4055 case TULIP_CHIP_MX98715AEC_X: 4056 case TULIP_CHIP_MX98725: 4057 siaconn = PMAC_SIACONN_MASK; 4058 siatxrx = PMAC_SIATXRX_MASK; 4059 siagen = PMAC_SIAGEN_MASK; 4060 break; 4061 4062 default: 4063 /* No fixups required on any other chips. */ 4064 return; 4065 } 4066 4067 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4068 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 4069 tm = ife->ifm_aux; 4070 if (tm == NULL) 4071 continue; 4072 4073 tm->tm_siaconn &= siaconn; 4074 tm->tm_siatxrx &= siatxrx; 4075 tm->tm_siagen &= siagen; 4076 } 4077 } 4078 4079 int 4080 tlp_sia_set(sc) 4081 struct tulip_softc *sc; 4082 { 4083 struct ifmedia_entry *ife; 4084 struct tulip_21x4x_media *tm; 4085 4086 ife = TULIP_CURRENT_MEDIA(sc); 4087 tm = ife->ifm_aux; 4088 4089 /* 4090 * XXX This appears to be necessary on a bunch of the clone chips. 4091 */ 4092 delay(20000); 4093 4094 /* 4095 * Idle the chip. 4096 */ 4097 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4098 4099 /* 4100 * Program the SIA. It's important to write in this order, 4101 * resetting the SIA first. 4102 */ 4103 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4104 delay(1000); 4105 4106 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4107 4108 switch (sc->sc_chip) { 4109 case TULIP_CHIP_21142: 4110 case TULIP_CHIP_21143: 4111 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4112 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4113 break; 4114 default: 4115 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4116 } 4117 4118 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4119 4120 /* 4121 * Set the OPMODE bits for this media and write OPMODE. 4122 * This will resume the transmit and receive processes. 4123 */ 4124 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4125 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4126 4127 return (0); 4128 } 4129 4130 /* 4131 * 21140 GPIO utility functions. 4132 */ 4133 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 4134 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 4135 struct ifmediareq *ifmr)); 4136 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 4137 4138 void 4139 tlp_21140_gpio_update_link(sc) 4140 struct tulip_softc *sc; 4141 { 4142 struct ifmedia_entry *ife; 4143 struct tulip_21x4x_media *tm; 4144 4145 ife = TULIP_CURRENT_MEDIA(sc); 4146 tm = ife->ifm_aux; 4147 4148 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4149 4150 if (tm->tm_actmask != 0) { 4151 sc->sc_flags |= TULIPF_LINK_VALID; 4152 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4153 tm->tm_actdata) 4154 sc->sc_flags |= TULIPF_LINK_UP; 4155 } 4156 } 4157 4158 void 4159 tlp_21140_gpio_get(sc, ifmr) 4160 struct tulip_softc *sc; 4161 struct ifmediareq *ifmr; 4162 { 4163 struct ifmedia_entry *ife; 4164 4165 ifmr->ifm_status = 0; 4166 4167 tlp_21140_gpio_update_link(sc); 4168 4169 ife = TULIP_CURRENT_MEDIA(sc); 4170 4171 if (sc->sc_flags & TULIPF_LINK_VALID) 4172 ifmr->ifm_status |= IFM_AVALID; 4173 if (sc->sc_flags & TULIPF_LINK_UP) 4174 ifmr->ifm_status |= IFM_ACTIVE; 4175 ifmr->ifm_active = ife->ifm_media; 4176 } 4177 4178 int 4179 tlp_21140_gpio_set(sc) 4180 struct tulip_softc *sc; 4181 { 4182 struct ifmedia_entry *ife; 4183 struct tulip_21x4x_media *tm; 4184 4185 ife = TULIP_CURRENT_MEDIA(sc); 4186 tm = ife->ifm_aux; 4187 4188 /* 4189 * Idle the chip. 4190 */ 4191 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4192 4193 /* 4194 * Set the GPIO pins for this media, to flip any 4195 * relays, etc. 4196 */ 4197 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4198 delay(10); 4199 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4200 4201 /* 4202 * Set the OPMODE bits for this media and write OPMODE. 4203 * This will resume the transmit and receive processes. 4204 */ 4205 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4206 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4207 4208 return (0); 4209 } 4210 4211 /* 4212 * 21040 and 21041 media switches. 4213 */ 4214 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4215 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4216 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4217 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4218 4219 const struct tulip_mediasw tlp_21040_mediasw = { 4220 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4221 }; 4222 4223 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4224 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4225 }; 4226 4227 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4228 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4229 }; 4230 4231 const struct tulip_mediasw tlp_21041_mediasw = { 4232 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4233 }; 4234 4235 4236 void 4237 tlp_21040_tmsw_init(sc) 4238 struct tulip_softc *sc; 4239 { 4240 static const u_int8_t media[] = { 4241 TULIP_ROM_MB_MEDIA_TP, 4242 TULIP_ROM_MB_MEDIA_TP_FDX, 4243 TULIP_ROM_MB_MEDIA_AUI, 4244 }; 4245 struct tulip_21x4x_media *tm; 4246 4247 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4248 tlp_mediastatus); 4249 4250 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4251 4252 /* 4253 * No SROM type for External SIA. 4254 */ 4255 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4256 memset(tm, 0, sizeof(*tm)); 4257 tm->tm_name = "manual"; 4258 tm->tm_opmode = 0; 4259 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4260 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4261 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4262 ifmedia_add(&sc->sc_mii.mii_media, 4263 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4264 4265 /* 4266 * XXX Autosense not yet supported. 4267 */ 4268 4269 /* XXX This should be auto-sense. */ 4270 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4271 4272 tlp_print_media(sc); 4273 } 4274 4275 void 4276 tlp_21040_tp_tmsw_init(sc) 4277 struct tulip_softc *sc; 4278 { 4279 static const u_int8_t media[] = { 4280 TULIP_ROM_MB_MEDIA_TP, 4281 TULIP_ROM_MB_MEDIA_TP_FDX, 4282 }; 4283 4284 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4285 tlp_mediastatus); 4286 4287 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4288 4289 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4290 4291 tlp_print_media(sc); 4292 } 4293 4294 void 4295 tlp_21040_auibnc_tmsw_init(sc) 4296 struct tulip_softc *sc; 4297 { 4298 static const u_int8_t media[] = { 4299 TULIP_ROM_MB_MEDIA_AUI, 4300 }; 4301 4302 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4303 tlp_mediastatus); 4304 4305 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4306 4307 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4308 4309 tlp_print_media(sc); 4310 } 4311 4312 void 4313 tlp_21041_tmsw_init(sc) 4314 struct tulip_softc *sc; 4315 { 4316 static const u_int8_t media[] = { 4317 TULIP_ROM_MB_MEDIA_TP, 4318 TULIP_ROM_MB_MEDIA_TP_FDX, 4319 TULIP_ROM_MB_MEDIA_BNC, 4320 TULIP_ROM_MB_MEDIA_AUI, 4321 }; 4322 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4323 const struct tulip_srom_to_ifmedia *tsti; 4324 struct tulip_21x4x_media *tm; 4325 u_int16_t romdef; 4326 u_int8_t mb; 4327 4328 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4329 tlp_mediastatus); 4330 4331 if (tlp_isv_srom(sc->sc_srom) == 0) { 4332 not_isv_srom: 4333 /* 4334 * If we have a board without the standard 21041 SROM format, 4335 * we just assume all media are present and try and pick a 4336 * reasonable default. 4337 */ 4338 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4339 4340 /* 4341 * XXX Autosense not yet supported. 4342 */ 4343 4344 /* XXX This should be auto-sense. */ 4345 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4346 4347 tlp_print_media(sc); 4348 return; 4349 } 4350 4351 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4352 for (i = 0; i < devcnt; i++) { 4353 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4354 break; 4355 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4356 sc->sc_devno) 4357 break; 4358 } 4359 4360 if (i == devcnt) 4361 goto not_isv_srom; 4362 4363 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4364 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4365 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4366 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4367 4368 for (; m_cnt != 0; 4369 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4370 mb = sc->sc_srom[mb_offset]; 4371 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4372 memset(tm, 0, sizeof(*tm)); 4373 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4374 case TULIP_ROM_MB_MEDIA_TP_FDX: 4375 case TULIP_ROM_MB_MEDIA_TP: 4376 case TULIP_ROM_MB_MEDIA_BNC: 4377 case TULIP_ROM_MB_MEDIA_AUI: 4378 tsti = tlp_srom_to_ifmedia(mb & 4379 TULIP_ROM_MB_MEDIA_CODE); 4380 4381 tlp_srom_media_info(sc, tsti, tm); 4382 4383 /* 4384 * Override our default SIA settings if the 4385 * SROM contains its own. 4386 */ 4387 if (mb & TULIP_ROM_MB_EXT) { 4388 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4389 mb_offset + TULIP_ROM_MB_CSR13); 4390 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4391 mb_offset + TULIP_ROM_MB_CSR14); 4392 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4393 mb_offset + TULIP_ROM_MB_CSR15); 4394 } 4395 4396 ifmedia_add(&sc->sc_mii.mii_media, 4397 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4398 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4399 break; 4400 4401 default: 4402 printf("%s: unknown media code 0x%02x\n", 4403 sc->sc_dev.dv_xname, 4404 mb & TULIP_ROM_MB_MEDIA_CODE); 4405 free(tm, M_DEVBUF); 4406 } 4407 } 4408 4409 /* 4410 * XXX Autosense not yet supported. 4411 */ 4412 4413 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4414 TULIP_ROM_IL_SELECT_CONN_TYPE); 4415 switch (romdef) { 4416 case SELECT_CONN_TYPE_TP: 4417 case SELECT_CONN_TYPE_TP_AUTONEG: 4418 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4419 defmedia = IFM_ETHER|IFM_10_T; 4420 break; 4421 4422 case SELECT_CONN_TYPE_TP_FDX: 4423 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4424 break; 4425 4426 case SELECT_CONN_TYPE_BNC: 4427 defmedia = IFM_ETHER|IFM_10_2; 4428 break; 4429 4430 case SELECT_CONN_TYPE_AUI: 4431 defmedia = IFM_ETHER|IFM_10_5; 4432 break; 4433 #if 0 /* XXX */ 4434 case SELECT_CONN_TYPE_ASENSE: 4435 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4436 defmedia = IFM_ETHER|IFM_AUTO; 4437 break; 4438 #endif 4439 default: 4440 defmedia = 0; 4441 } 4442 4443 if (defmedia == 0) { 4444 /* 4445 * XXX We should default to auto-sense. 4446 */ 4447 defmedia = IFM_ETHER|IFM_10_T; 4448 } 4449 4450 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4451 4452 tlp_print_media(sc); 4453 } 4454 4455 /* 4456 * DECchip 2114x ISV media switch. 4457 */ 4458 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4459 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4460 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4461 4462 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4463 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4464 }; 4465 4466 void 4467 tlp_2114x_isv_tmsw_init(sc) 4468 struct tulip_softc *sc; 4469 { 4470 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4471 struct ifmedia_entry *ife; 4472 struct mii_softc *phy; 4473 struct tulip_21x4x_media *tm; 4474 const struct tulip_srom_to_ifmedia *tsti; 4475 int i, devcnt, leaf_offset, m_cnt, type, length; 4476 int defmedia, miidef; 4477 u_int16_t word; 4478 u_int8_t *cp, *ncp; 4479 4480 defmedia = miidef = 0; 4481 4482 sc->sc_mii.mii_ifp = ifp; 4483 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4484 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4485 sc->sc_mii.mii_statchg = sc->sc_statchg; 4486 4487 /* 4488 * Ignore `instance'; we may get a mixture of SIA and MII 4489 * media, and `instance' is used to isolate or select the 4490 * PHY on the MII as appropriate. Note that duplicate media 4491 * are disallowed, so ignoring `instance' is safe. 4492 */ 4493 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4494 tlp_mediastatus); 4495 4496 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4497 for (i = 0; i < devcnt; i++) { 4498 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4499 break; 4500 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4501 sc->sc_devno) 4502 break; 4503 } 4504 4505 if (i == devcnt) { 4506 printf("%s: unable to locate info leaf in SROM\n", 4507 sc->sc_dev.dv_xname); 4508 return; 4509 } 4510 4511 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4512 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4513 4514 /* XXX SELECT CONN TYPE */ 4515 4516 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4517 4518 /* 4519 * On some chips, the first thing in the Info Leaf is the 4520 * GPIO pin direction data. 4521 */ 4522 switch (sc->sc_chip) { 4523 case TULIP_CHIP_21140: 4524 case TULIP_CHIP_21140A: 4525 case TULIP_CHIP_MX98713: 4526 case TULIP_CHIP_AX88140: 4527 case TULIP_CHIP_AX88141: 4528 sc->sc_gp_dir = *cp++; 4529 break; 4530 4531 default: 4532 /* Nothing. */ 4533 } 4534 4535 /* Get the media count. */ 4536 m_cnt = *cp++; 4537 4538 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4539 /* 4540 * Determine the type and length of this media block. 4541 */ 4542 if ((*cp & 0x80) == 0) { 4543 length = 4; 4544 type = TULIP_ROM_MB_21140_GPR; 4545 } else { 4546 length = (*cp++ & 0x7f) - 1; 4547 type = *cp++ & 0x3f; 4548 } 4549 4550 /* Compute the start of the next block. */ 4551 ncp = cp + length; 4552 4553 /* Now, parse the block. */ 4554 switch (type) { 4555 case TULIP_ROM_MB_21140_GPR: 4556 tlp_get_minst(sc); 4557 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4558 4559 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4560 memset(tm, 0, sizeof(*tm)); 4561 4562 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4563 tm->tm_get = tlp_21140_gpio_get; 4564 tm->tm_set = tlp_21140_gpio_set; 4565 4566 /* First is the media type code. */ 4567 tsti = tlp_srom_to_ifmedia(cp[0] & 4568 TULIP_ROM_MB_MEDIA_CODE); 4569 if (tsti == NULL) { 4570 /* Invalid media code. */ 4571 free(tm, M_DEVBUF); 4572 break; 4573 } 4574 4575 /* Get defaults. */ 4576 tlp_srom_media_info(sc, tsti, tm); 4577 4578 /* Next is any GPIO info for this media. */ 4579 tm->tm_gpdata = cp[1]; 4580 4581 /* 4582 * Next is a word containing OPMODE information 4583 * and info on how to detect if this media is 4584 * active. 4585 */ 4586 word = TULIP_ROM_GETW(cp, 2); 4587 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4588 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4589 tm->tm_actmask = 4590 TULIP_ROM_MB_BITPOS(word); 4591 tm->tm_actdata = 4592 (word & TULIP_ROM_MB_POLARITY) ? 4593 0 : tm->tm_actmask; 4594 } 4595 4596 ifmedia_add(&sc->sc_mii.mii_media, 4597 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4598 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4599 break; 4600 4601 case TULIP_ROM_MB_21140_MII: 4602 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4603 4604 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4605 memset(tm, 0, sizeof(*tm)); 4606 4607 tm->tm_type = TULIP_ROM_MB_21140_MII; 4608 tm->tm_get = tlp_mii_getmedia; 4609 tm->tm_set = tlp_mii_setmedia; 4610 tm->tm_opmode = OPMODE_PS; 4611 4612 if (sc->sc_reset == NULL) 4613 sc->sc_reset = tlp_21140_reset; 4614 4615 /* First is the PHY number. */ 4616 tm->tm_phyno = *cp++; 4617 4618 /* Next is the MII select sequence length and offset. */ 4619 tm->tm_gp_length = *cp++; 4620 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4621 cp += tm->tm_gp_length; 4622 4623 /* Next is the MII reset sequence length and offset. */ 4624 tm->tm_reset_length = *cp++; 4625 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4626 cp += tm->tm_reset_length; 4627 4628 /* 4629 * The following items are left in the media block 4630 * that we don't particularly care about: 4631 * 4632 * capabilities W 4633 * advertisement W 4634 * full duplex W 4635 * tx threshold W 4636 * 4637 * These appear to be bits in the PHY registers, 4638 * which our MII code handles on its own. 4639 */ 4640 4641 /* 4642 * Before we probe the MII bus, we need to reset 4643 * it and issue the selection sequence. 4644 */ 4645 4646 /* Set the direction of the pins... */ 4647 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4648 4649 for (i = 0; i < tm->tm_reset_length; i++) { 4650 delay(10); 4651 TULIP_WRITE(sc, CSR_GPP, 4652 sc->sc_srom[tm->tm_reset_offset + i]); 4653 } 4654 4655 for (i = 0; i < tm->tm_gp_length; i++) { 4656 delay(10); 4657 TULIP_WRITE(sc, CSR_GPP, 4658 sc->sc_srom[tm->tm_gp_offset + i]); 4659 } 4660 4661 /* If there were no sequences, just lower the pins. */ 4662 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4663 delay(10); 4664 TULIP_WRITE(sc, CSR_GPP, 0); 4665 } 4666 4667 /* 4668 * Now, probe the MII for the PHY. Note, we know 4669 * the location of the PHY on the bus, but we don't 4670 * particularly care; the MII code just likes to 4671 * search the whole thing anyhow. 4672 */ 4673 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4674 MII_PHY_ANY, tm->tm_phyno, 0); 4675 4676 /* 4677 * Now, search for the PHY we hopefully just 4678 * configured. If it's not configured into the 4679 * kernel, we lose. The PHY's default media always 4680 * takes priority. 4681 */ 4682 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4683 phy != NULL; 4684 phy = LIST_NEXT(phy, mii_list)) 4685 if (phy->mii_offset == tm->tm_phyno) 4686 break; 4687 if (phy == NULL) { 4688 printf("%s: unable to configure MII\n", 4689 sc->sc_dev.dv_xname); 4690 break; 4691 } 4692 4693 sc->sc_flags |= TULIPF_HAS_MII; 4694 sc->sc_tick = tlp_mii_tick; 4695 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4696 phy->mii_inst); 4697 4698 /* 4699 * Okay, now that we've found the PHY and the MII 4700 * layer has added all of the media associated 4701 * with that PHY, we need to traverse the media 4702 * list, and add our `tm' to each entry's `aux' 4703 * pointer. 4704 * 4705 * We do this by looking for media with our 4706 * PHY's `instance'. 4707 */ 4708 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4709 ife != NULL; 4710 ife = TAILQ_NEXT(ife, ifm_list)) { 4711 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4712 continue; 4713 ife->ifm_aux = tm; 4714 } 4715 break; 4716 4717 case TULIP_ROM_MB_21142_SIA: 4718 tlp_get_minst(sc); 4719 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4720 4721 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4722 memset(tm, 0, sizeof(*tm)); 4723 4724 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4725 tm->tm_get = tlp_sia_get; 4726 tm->tm_set = tlp_sia_set; 4727 4728 /* First is the media type code. */ 4729 tsti = tlp_srom_to_ifmedia(cp[0] & 4730 TULIP_ROM_MB_MEDIA_CODE); 4731 if (tsti == NULL) { 4732 /* Invalid media code. */ 4733 free(tm, M_DEVBUF); 4734 break; 4735 } 4736 4737 /* Get defaults. */ 4738 tlp_srom_media_info(sc, tsti, tm); 4739 4740 /* 4741 * Override our default SIA settings if the 4742 * SROM contains its own. 4743 */ 4744 if (cp[0] & 0x40) { 4745 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4746 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4747 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4748 cp += 7; 4749 } else 4750 cp++; 4751 4752 /* Next is GPIO control/data. */ 4753 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4754 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4755 4756 ifmedia_add(&sc->sc_mii.mii_media, 4757 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4758 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4759 break; 4760 4761 case TULIP_ROM_MB_21142_MII: 4762 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 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_MII; 4768 tm->tm_get = tlp_mii_getmedia; 4769 tm->tm_set = tlp_mii_setmedia; 4770 tm->tm_opmode = OPMODE_PS; 4771 4772 if (sc->sc_reset == NULL) 4773 sc->sc_reset = tlp_21142_reset; 4774 4775 /* First is the PHY number. */ 4776 tm->tm_phyno = *cp++; 4777 4778 /* Next is the MII select sequence length and offset. */ 4779 tm->tm_gp_length = *cp++; 4780 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4781 cp += tm->tm_gp_length * 2; 4782 4783 /* Next is the MII reset sequence length and offset. */ 4784 tm->tm_reset_length = *cp++; 4785 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4786 cp += tm->tm_reset_length * 2; 4787 4788 /* 4789 * The following items are left in the media block 4790 * that we don't particularly care about: 4791 * 4792 * capabilities W 4793 * advertisement W 4794 * full duplex W 4795 * tx threshold W 4796 * MII interrupt W 4797 * 4798 * These appear to be bits in the PHY registers, 4799 * which our MII code handles on its own. 4800 */ 4801 4802 /* 4803 * Before we probe the MII bus, we need to reset 4804 * it and issue the selection sequence. 4805 */ 4806 4807 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4808 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4809 delay(10); 4810 TULIP_WRITE(sc, CSR_SIAGEN, 4811 TULIP_ROM_GETW(ncp, 0) << 16); 4812 } 4813 4814 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4815 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4816 delay(10); 4817 TULIP_WRITE(sc, CSR_SIAGEN, 4818 TULIP_ROM_GETW(ncp, 0) << 16); 4819 } 4820 4821 /* If there were no sequences, just lower the pins. */ 4822 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4823 delay(10); 4824 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4825 } 4826 4827 /* 4828 * Now, probe the MII for the PHY. Note, we know 4829 * the location of the PHY on the bus, but we don't 4830 * particularly care; the MII code just likes to 4831 * search the whole thing anyhow. 4832 */ 4833 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4834 MII_PHY_ANY, tm->tm_phyno, 0); 4835 4836 /* 4837 * Now, search for the PHY we hopefully just 4838 * configured. If it's not configured into the 4839 * kernel, we lose. The PHY's default media always 4840 * takes priority. 4841 */ 4842 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4843 phy != NULL; 4844 phy = LIST_NEXT(phy, mii_list)) 4845 if (phy->mii_offset == tm->tm_phyno) 4846 break; 4847 if (phy == NULL) { 4848 printf("%s: unable to configure MII\n", 4849 sc->sc_dev.dv_xname); 4850 break; 4851 } 4852 4853 sc->sc_flags |= TULIPF_HAS_MII; 4854 sc->sc_tick = tlp_mii_tick; 4855 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4856 phy->mii_inst); 4857 4858 /* 4859 * Okay, now that we've found the PHY and the MII 4860 * layer has added all of the media associated 4861 * with that PHY, we need to traverse the media 4862 * list, and add our `tm' to each entry's `aux' 4863 * pointer. 4864 * 4865 * We do this by looking for media with our 4866 * PHY's `instance'. 4867 */ 4868 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4869 ife != NULL; 4870 ife = TAILQ_NEXT(ife, ifm_list)) { 4871 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4872 continue; 4873 ife->ifm_aux = tm; 4874 } 4875 break; 4876 4877 case TULIP_ROM_MB_21143_SYM: 4878 tlp_get_minst(sc); 4879 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4880 4881 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4882 memset(tm, 0, sizeof(*tm)); 4883 4884 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4885 tm->tm_get = tlp_sia_get; 4886 tm->tm_set = tlp_sia_set; 4887 4888 /* First is the media type code. */ 4889 tsti = tlp_srom_to_ifmedia(cp[0] & 4890 TULIP_ROM_MB_MEDIA_CODE); 4891 if (tsti == NULL) { 4892 /* Invalid media code. */ 4893 free(tm, M_DEVBUF); 4894 break; 4895 } 4896 4897 /* Get defaults. */ 4898 tlp_srom_media_info(sc, tsti, tm); 4899 4900 /* Next is GPIO control/data. */ 4901 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4902 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4903 4904 /* 4905 * Next is a word containing OPMODE information 4906 * and info on how to detect if this media is 4907 * active. 4908 */ 4909 word = TULIP_ROM_GETW(cp, 5); 4910 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4911 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4912 tm->tm_actmask = 4913 TULIP_ROM_MB_BITPOS(word); 4914 tm->tm_actdata = 4915 (word & TULIP_ROM_MB_POLARITY) ? 4916 0 : tm->tm_actmask; 4917 } 4918 4919 ifmedia_add(&sc->sc_mii.mii_media, 4920 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4921 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4922 break; 4923 4924 case TULIP_ROM_MB_21143_RESET: 4925 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4926 break; 4927 4928 default: 4929 printf("%s: unknown ISV media block type 0x%02x\n", 4930 sc->sc_dev.dv_xname, type); 4931 } 4932 } 4933 4934 /* 4935 * Deal with the case where no media is configured. 4936 */ 4937 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4938 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4939 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4940 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4941 return; 4942 } 4943 4944 /* 4945 * Pick the default media. 4946 */ 4947 if (miidef != 0) 4948 defmedia = miidef; 4949 else { 4950 /* 4951 * XXX Pick a better default. Should come from SROM 4952 * XXX on 21140[A], and should be "auto" on 21142, 4953 * XXX 21143, and Macronix chips. 4954 */ 4955 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4956 } 4957 4958 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4959 4960 /* 4961 * Display any non-MII media we've located. 4962 */ 4963 if (sc->sc_media_seen & 4964 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4965 tlp_print_media(sc); 4966 4967 tlp_sia_fixup(sc); 4968 } 4969 4970 void 4971 tlp_2114x_isv_tmsw_get(sc, ifmr) 4972 struct tulip_softc *sc; 4973 struct ifmediareq *ifmr; 4974 { 4975 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4976 struct tulip_21x4x_media *tm = ife->ifm_aux; 4977 4978 /* 4979 * We might be polling a non-MII autosense; check for that. 4980 */ 4981 if (tm == NULL) { 4982 #ifdef DIAGNOSTIC 4983 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4984 panic("tlp_2114x_isv_tmsw_get"); 4985 #endif 4986 tm = sc->sc_nway_active->ifm_aux; 4987 } 4988 4989 (*tm->tm_get)(sc, ifmr); 4990 } 4991 4992 int 4993 tlp_2114x_isv_tmsw_set(sc) 4994 struct tulip_softc *sc; 4995 { 4996 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4997 struct tulip_21x4x_media *tm = ife->ifm_aux; 4998 4999 /* 5000 * We might be setting a non-MII autosense; check for that. 5001 */ 5002 if (tm == NULL) { 5003 #ifdef DIAGNOSTIC 5004 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5005 panic("tlp_2114x_isv_tmsw_set"); 5006 #endif 5007 /* XXX XXX XXX */ 5008 } 5009 5010 /* 5011 * Check to see if we need to reset the chip, and do it. The 5012 * reset path will get the OPMODE register right the next 5013 * time through. 5014 */ 5015 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5016 return (tlp_init(sc)); 5017 5018 return ((*tm->tm_set)(sc)); 5019 } 5020 5021 /* 5022 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5023 */ 5024 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 5025 5026 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5027 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5028 }; 5029 5030 void 5031 tlp_sio_mii_tmsw_init(sc) 5032 struct tulip_softc *sc; 5033 { 5034 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5035 5036 /* 5037 * We don't attach any media info structures to the ifmedia 5038 * entries, so if we're using a pre-init function that needs 5039 * that info, override it to one that doesn't. 5040 */ 5041 if (sc->sc_preinit == tlp_2114x_preinit) 5042 sc->sc_preinit = tlp_2114x_mii_preinit; 5043 5044 sc->sc_mii.mii_ifp = ifp; 5045 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5046 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5047 sc->sc_mii.mii_statchg = sc->sc_statchg; 5048 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5049 tlp_mediastatus); 5050 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5051 MII_OFFSET_ANY, 0); 5052 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5053 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5054 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5055 } else { 5056 sc->sc_flags |= TULIPF_HAS_MII; 5057 sc->sc_tick = tlp_mii_tick; 5058 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5059 } 5060 } 5061 5062 /* 5063 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5064 */ 5065 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 5066 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 5067 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 5068 5069 const struct tulip_mediasw tlp_pnic_mediasw = { 5070 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5071 }; 5072 5073 void tlp_pnic_nway_statchg __P((struct device *)); 5074 void tlp_pnic_nway_tick __P((void *)); 5075 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 5076 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 5077 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 5078 void tlp_pnic_nway_auto_timeout __P((void *)); 5079 void tlp_pnic_nway_status __P((struct tulip_softc *)); 5080 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 5081 5082 void 5083 tlp_pnic_tmsw_init(sc) 5084 struct tulip_softc *sc; 5085 { 5086 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5087 const char *sep = ""; 5088 5089 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5090 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 5091 5092 sc->sc_mii.mii_ifp = ifp; 5093 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5094 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5095 sc->sc_mii.mii_statchg = sc->sc_statchg; 5096 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5097 tlp_mediastatus); 5098 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5099 MII_OFFSET_ANY, 0); 5100 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5101 /* XXX What about AUI/BNC support? */ 5102 printf("%s: ", sc->sc_dev.dv_xname); 5103 5104 tlp_pnic_nway_reset(sc); 5105 5106 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5107 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5108 PRINT("10baseT"); 5109 5110 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5111 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5112 PRINT("10baseT-FDX"); 5113 5114 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5115 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5116 PRINT("100baseTX"); 5117 5118 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5119 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5120 PNIC_NWAY_CAP100TXFDX); 5121 PRINT("100baseTX-FDX"); 5122 5123 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5124 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5125 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5126 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5127 PRINT("auto"); 5128 5129 printf("\n"); 5130 5131 sc->sc_statchg = tlp_pnic_nway_statchg; 5132 sc->sc_tick = tlp_pnic_nway_tick; 5133 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5134 } else { 5135 sc->sc_flags |= TULIPF_HAS_MII; 5136 sc->sc_tick = tlp_mii_tick; 5137 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5138 } 5139 5140 #undef ADD 5141 #undef PRINT 5142 } 5143 5144 void 5145 tlp_pnic_tmsw_get(sc, ifmr) 5146 struct tulip_softc *sc; 5147 struct ifmediareq *ifmr; 5148 { 5149 struct mii_data *mii = &sc->sc_mii; 5150 5151 if (sc->sc_flags & TULIPF_HAS_MII) 5152 tlp_mii_getmedia(sc, ifmr); 5153 else { 5154 mii->mii_media_status = 0; 5155 mii->mii_media_active = IFM_NONE; 5156 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5157 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5158 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5159 } 5160 } 5161 5162 int 5163 tlp_pnic_tmsw_set(sc) 5164 struct tulip_softc *sc; 5165 { 5166 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5167 struct mii_data *mii = &sc->sc_mii; 5168 5169 if (sc->sc_flags & TULIPF_HAS_MII) { 5170 /* 5171 * Make sure the built-in Tx jabber timer is disabled. 5172 */ 5173 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5174 5175 return (tlp_mii_setmedia(sc)); 5176 } 5177 5178 if (ifp->if_flags & IFF_UP) { 5179 mii->mii_media_status = 0; 5180 mii->mii_media_active = IFM_NONE; 5181 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5182 } 5183 5184 return (0); 5185 } 5186 5187 void 5188 tlp_pnic_nway_statchg(self) 5189 struct device *self; 5190 { 5191 struct tulip_softc *sc = (struct tulip_softc *)self; 5192 5193 /* Idle the transmit and receive processes. */ 5194 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5195 5196 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5197 OPMODE_SCR|OPMODE_HBD); 5198 5199 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5200 sc->sc_opmode |= OPMODE_TTM; 5201 TULIP_WRITE(sc, CSR_GPP, 5202 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5203 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5204 } else { 5205 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5206 TULIP_WRITE(sc, CSR_GPP, 5207 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5208 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5209 } 5210 5211 if (sc->sc_mii.mii_media_active & IFM_FDX) 5212 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5213 5214 /* 5215 * Write new OPMODE bits. This also restarts the transmit 5216 * and receive processes. 5217 */ 5218 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5219 } 5220 5221 void 5222 tlp_pnic_nway_tick(arg) 5223 void *arg; 5224 { 5225 struct tulip_softc *sc = arg; 5226 int s; 5227 5228 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5229 return; 5230 5231 s = splnet(); 5232 tlp_pnic_nway_service(sc, MII_TICK); 5233 splx(s); 5234 5235 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5236 } 5237 5238 /* 5239 * Support for the Lite-On PNIC internal NWay block. This is constructed 5240 * somewhat like a PHY driver for simplicity. 5241 */ 5242 5243 int 5244 tlp_pnic_nway_service(sc, cmd) 5245 struct tulip_softc *sc; 5246 int cmd; 5247 { 5248 struct mii_data *mii = &sc->sc_mii; 5249 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5250 5251 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5252 return (0); 5253 5254 switch (cmd) { 5255 case MII_POLLSTAT: 5256 /* Nothing special to do here. */ 5257 break; 5258 5259 case MII_MEDIACHG: 5260 switch (IFM_SUBTYPE(ife->ifm_media)) { 5261 case IFM_AUTO: 5262 (void) tlp_pnic_nway_auto(sc, 1); 5263 break; 5264 case IFM_100_T4: 5265 /* 5266 * XXX Not supported as a manual setting right now. 5267 */ 5268 return (EINVAL); 5269 default: 5270 /* 5271 * NWAY register data is stored in the ifmedia entry. 5272 */ 5273 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5274 } 5275 break; 5276 5277 case MII_TICK: 5278 /* 5279 * Only used for autonegotiation. 5280 */ 5281 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5282 return (0); 5283 5284 /* 5285 * Check to see if we have link. If we do, we don't 5286 * need to restart the autonegotiation process. 5287 */ 5288 if (sc->sc_flags & TULIPF_LINK_UP) 5289 return (0); 5290 5291 /* 5292 * Only retry autonegotiation every 5 seconds. 5293 */ 5294 if (++sc->sc_nway_ticks != 5) 5295 return (0); 5296 5297 sc->sc_nway_ticks = 0; 5298 tlp_pnic_nway_reset(sc); 5299 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5300 return (0); 5301 break; 5302 } 5303 5304 /* Update the media status. */ 5305 tlp_pnic_nway_status(sc); 5306 5307 /* Callback if something changed. */ 5308 if ((sc->sc_nway_active == NULL || 5309 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5310 cmd == MII_MEDIACHG) { 5311 (*sc->sc_statchg)(&sc->sc_dev); 5312 tlp_nway_activate(sc, mii->mii_media_active); 5313 } 5314 return (0); 5315 } 5316 5317 void 5318 tlp_pnic_nway_reset(sc) 5319 struct tulip_softc *sc; 5320 { 5321 5322 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5323 delay(100); 5324 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5325 } 5326 5327 int 5328 tlp_pnic_nway_auto(sc, waitfor) 5329 struct tulip_softc *sc; 5330 int waitfor; 5331 { 5332 struct mii_data *mii = &sc->sc_mii; 5333 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5334 u_int32_t reg; 5335 int i; 5336 5337 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5338 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5339 5340 if (waitfor) { 5341 /* Wait 500ms for it to complete. */ 5342 for (i = 0; i < 500; i++) { 5343 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5344 if (reg & PNIC_NWAY_LPAR_MASK) { 5345 tlp_pnic_nway_acomp(sc); 5346 return (0); 5347 } 5348 delay(1000); 5349 } 5350 #if 0 5351 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5352 printf("%s: autonegotiation failed to complete\n", 5353 sc->sc_dev.dv_xname); 5354 #endif 5355 5356 /* 5357 * Don't need to worry about clearing DOINGAUTO. 5358 * If that's set, a timeout is pending, and it will 5359 * clear the flag. 5360 */ 5361 return (EIO); 5362 } 5363 5364 /* 5365 * Just let it finish asynchronously. This is for the benefit of 5366 * the tick handler driving autonegotiation. Don't want 500ms 5367 * delays all the time while the system is running! 5368 */ 5369 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5370 sc->sc_flags |= TULIPF_DOINGAUTO; 5371 callout_reset(&sc->sc_nway_callout, hz >> 1, 5372 tlp_pnic_nway_auto_timeout, sc); 5373 } 5374 return (EJUSTRETURN); 5375 } 5376 5377 void 5378 tlp_pnic_nway_auto_timeout(arg) 5379 void *arg; 5380 { 5381 struct tulip_softc *sc = arg; 5382 u_int32_t reg; 5383 int s; 5384 5385 s = splnet(); 5386 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5387 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5388 #if 0 5389 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5390 printf("%s: autonegotiation failed to complete\n", 5391 sc->sc_dev.dv_xname); 5392 #endif 5393 5394 tlp_pnic_nway_acomp(sc); 5395 5396 /* Update the media status. */ 5397 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5398 splx(s); 5399 } 5400 5401 void 5402 tlp_pnic_nway_status(sc) 5403 struct tulip_softc *sc; 5404 { 5405 struct mii_data *mii = &sc->sc_mii; 5406 u_int32_t reg; 5407 5408 mii->mii_media_status = IFM_AVALID; 5409 mii->mii_media_active = IFM_ETHER; 5410 5411 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5412 5413 if (sc->sc_flags & TULIPF_LINK_UP) 5414 mii->mii_media_status |= IFM_ACTIVE; 5415 5416 if (reg & PNIC_NWAY_NW) { 5417 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5418 /* Erg, still trying, I guess... */ 5419 mii->mii_media_active |= IFM_NONE; 5420 return; 5421 } 5422 5423 #if 0 5424 if (reg & PNIC_NWAY_LPAR100T4) 5425 mii->mii_media_active |= IFM_100_T4; 5426 else 5427 #endif 5428 if (reg & PNIC_NWAY_LPAR100TXFDX) 5429 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5430 else if (reg & PNIC_NWAY_LPAR100TX) 5431 mii->mii_media_active |= IFM_100_TX; 5432 else if (reg & PNIC_NWAY_LPAR10TFDX) 5433 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5434 else if (reg & PNIC_NWAY_LPAR10T) 5435 mii->mii_media_active |= IFM_10_T; 5436 else 5437 mii->mii_media_active |= IFM_NONE; 5438 } else { 5439 if (reg & PNIC_NWAY_100) 5440 mii->mii_media_active |= IFM_100_TX; 5441 else 5442 mii->mii_media_active |= IFM_10_T; 5443 if (reg & PNIC_NWAY_FD) 5444 mii->mii_media_active |= IFM_FDX; 5445 } 5446 } 5447 5448 void 5449 tlp_pnic_nway_acomp(sc) 5450 struct tulip_softc *sc; 5451 { 5452 u_int32_t reg; 5453 5454 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5455 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5456 5457 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5458 reg |= PNIC_NWAY_100; 5459 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5460 reg |= PNIC_NWAY_FD; 5461 5462 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5463 } 5464 5465 /* 5466 * Macronix PMAC and Lite-On PNIC-II media switch: 5467 * 5468 * MX98713 and MX98713A 21140-like MII or GPIO media. 5469 * 5470 * MX98713A 21143-like MII or SIA/SYM media. 5471 * 5472 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5473 * 82C115, MX98715AEC-C, -E 5474 * 5475 * So, what we do here is fake MII-on-SIO or ISV media info, and 5476 * use the ISV media switch get/set functions to handle the rest. 5477 */ 5478 5479 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5480 5481 const struct tulip_mediasw tlp_pmac_mediasw = { 5482 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5483 }; 5484 5485 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5486 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5487 }; 5488 5489 void 5490 tlp_pmac_tmsw_init(sc) 5491 struct tulip_softc *sc; 5492 { 5493 static const u_int8_t media[] = { 5494 TULIP_ROM_MB_MEDIA_TP, 5495 TULIP_ROM_MB_MEDIA_TP_FDX, 5496 TULIP_ROM_MB_MEDIA_100TX, 5497 TULIP_ROM_MB_MEDIA_100TX_FDX, 5498 }; 5499 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5500 5501 sc->sc_mii.mii_ifp = ifp; 5502 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5503 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5504 sc->sc_mii.mii_statchg = sc->sc_statchg; 5505 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5506 tlp_mediastatus); 5507 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5508 sc->sc_chip == TULIP_CHIP_MX98713A) { 5509 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5510 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5511 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5512 sc->sc_flags |= TULIPF_HAS_MII; 5513 sc->sc_tick = tlp_mii_tick; 5514 sc->sc_preinit = tlp_2114x_mii_preinit; 5515 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5516 ifmedia_set(&sc->sc_mii.mii_media, 5517 IFM_ETHER|IFM_AUTO); 5518 return; 5519 } 5520 } 5521 5522 switch (sc->sc_chip) { 5523 case TULIP_CHIP_MX98713: 5524 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5525 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5526 5527 /* 5528 * XXX Should implement auto-sense for this someday, 5529 * XXX when we do the same for the 21140. 5530 */ 5531 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5532 break; 5533 5534 default: 5535 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5536 tlp_sia_get, tlp_sia_set, media, 2); 5537 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5538 tlp_sia_get, tlp_sia_set, media + 2, 2); 5539 5540 /* 5541 * XXX Autonegotiation not yet supported. 5542 */ 5543 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5544 break; 5545 } 5546 5547 tlp_print_media(sc); 5548 tlp_sia_fixup(sc); 5549 5550 /* Set the LED modes. */ 5551 tlp_pmac_reset(sc); 5552 5553 sc->sc_reset = tlp_pmac_reset; 5554 } 5555 5556 /* 5557 * ADMtek AL981 media switch. Only has internal PHY. 5558 */ 5559 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5560 5561 const struct tulip_mediasw tlp_al981_mediasw = { 5562 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5563 }; 5564 5565 void 5566 tlp_al981_tmsw_init(sc) 5567 struct tulip_softc *sc; 5568 { 5569 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5570 5571 sc->sc_mii.mii_ifp = ifp; 5572 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5573 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5574 sc->sc_mii.mii_statchg = sc->sc_statchg; 5575 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5576 tlp_mediastatus); 5577 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5578 MII_OFFSET_ANY, 0); 5579 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5580 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5581 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5582 } else { 5583 sc->sc_flags |= TULIPF_HAS_MII; 5584 sc->sc_tick = tlp_mii_tick; 5585 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5586 } 5587 } 5588 5589 /* 5590 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5591 */ 5592 void tlp_dm9102_tmsw_init __P((struct tulip_softc *)); 5593 void tlp_dm9102_tmsw_getmedia __P((struct tulip_softc *, 5594 struct ifmediareq *)); 5595 int tlp_dm9102_tmsw_setmedia __P((struct tulip_softc *)); 5596 5597 const struct tulip_mediasw tlp_dm9102_mediasw = { 5598 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 5599 tlp_dm9102_tmsw_setmedia 5600 }; 5601 5602 void 5603 tlp_dm9102_tmsw_init(sc) 5604 struct tulip_softc *sc; 5605 { 5606 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5607 u_int32_t opmode; 5608 5609 sc->sc_mii.mii_ifp = ifp; 5610 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5611 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5612 sc->sc_mii.mii_statchg = sc->sc_statchg; 5613 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5614 tlp_mediastatus); 5615 5616 /* PHY block already reset via tlp_reset(). */ 5617 5618 /* 5619 * Configure OPMODE properly for the internal MII interface. 5620 */ 5621 switch (sc->sc_chip) { 5622 case TULIP_CHIP_DM9102: 5623 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 5624 break; 5625 5626 case TULIP_CHIP_DM9102A: 5627 opmode = OPMODE_MBO|OPMODE_HBD; 5628 break; 5629 5630 default: 5631 /* Nothing. */ 5632 } 5633 5634 TULIP_WRITE(sc, CSR_OPMODE, opmode); 5635 5636 /* Now, probe the internal MII for the internal PHY. */ 5637 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5638 MII_OFFSET_ANY, 0); 5639 5640 /* 5641 * XXX Figure out what to do about the HomePNA portion 5642 * XXX of the DM9102A. 5643 */ 5644 5645 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5646 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5647 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5648 } else { 5649 sc->sc_flags |= TULIPF_HAS_MII; 5650 sc->sc_tick = tlp_mii_tick; 5651 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5652 } 5653 } 5654 5655 void 5656 tlp_dm9102_tmsw_getmedia(sc, ifmr) 5657 struct tulip_softc *sc; 5658 struct ifmediareq *ifmr; 5659 { 5660 5661 /* XXX HomePNA on DM9102A. */ 5662 tlp_mii_getmedia(sc, ifmr); 5663 } 5664 5665 int 5666 tlp_dm9102_tmsw_setmedia(sc) 5667 struct tulip_softc *sc; 5668 { 5669 5670 /* XXX HomePNA on DM9102A. */ 5671 return (tlp_mii_setmedia(sc)); 5672 } 5673
Indexes created Sun Sep 21 20:09:37 GMT 2025