1 /* $NetBSD: if_ef.c,v 1.12 2002/01/07 21:47:06 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Rafal K. Boni. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: if_ef.c,v 1.12 2002/01/07 21:47:06 thorpej Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/errno.h> 46 #include <sys/device.h> 47 #include <sys/protosw.h> 48 #include <sys/socket.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_types.h> 53 #include <net/if_media.h> 54 #include <net/if_ether.h> 55 56 #include <machine/cpu.h> 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/isa/isareg.h> 61 #include <dev/isa/isavar.h> 62 63 #include <dev/ic/i82586reg.h> 64 #include <dev/ic/i82586var.h> 65 #include <dev/isa/if_efreg.h> 66 #include <dev/isa/elink.h> 67 68 #ifdef EF_DEBUG 69 #define DPRINTF(x) printf x 70 #else 71 #define DPRINTF(x) 72 #endif 73 74 struct ef_softc { 75 struct ie_softc sc_ie; 76 77 bus_space_tag_t sc_regt; /* space tag for registers */ 78 bus_space_handle_t sc_regh; /* space handle for registers */ 79 80 void* sc_ih; /* interrupt handle */ 81 82 u_int8_t card_rev; /* hardware revision */ 83 u_int8_t card_type; /* card model -- AUI/BNC or TP */ 84 }; 85 86 int ef_media[] = { 87 IFM_ETHER | IFM_10_5, 88 IFM_ETHER | IFM_10_2, 89 }; 90 #define NEF_MEDIA (sizeof(ef_media) / sizeof(ef_media[0])) 91 92 int eftp_media[] = { 93 IFM_ETHER | IFM_10_T, 94 }; 95 #define NEFTP_MEDIA (sizeof(eftp_media) / sizeof(eftp_media[0])) 96 97 /* Routines required by the MI i82586 driver API */ 98 static void ef_reset __P((struct ie_softc *, int)); 99 static void ef_hwinit __P((struct ie_softc *)); 100 static void ef_atten __P((struct ie_softc *, int)); 101 static int ef_intrhook __P((struct ie_softc *, int)); 102 103 static void ef_copyin __P((struct ie_softc *, void *, int, size_t)); 104 static void ef_copyout __P((struct ie_softc *, const void *, int, size_t)); 105 106 static u_int16_t ef_read_16 __P((struct ie_softc *, int)); 107 static void ef_write_16 __P((struct ie_softc *, int, u_int16_t)); 108 static void ef_write_24 __P((struct ie_softc *, int, int)); 109 110 static void ef_mediastatus __P((struct ie_softc *, struct ifmediareq *)); 111 112 /* Local routines */ 113 static int ef_port_check __P((bus_space_tag_t, bus_space_handle_t)); 114 115 int ef_match __P((struct device *, struct cfdata *, void *)); 116 void ef_attach __P((struct device *, struct device *, void *)); 117 118 /* 119 * This keeps track of which ISAs have been through an ie probe sequence. 120 * A simple static variable isn't enough, since it's conceivable that 121 * a system might have more than one ISA bus. 122 * 123 * The "isa_bus" member is a pointer to the parent ISA bus device struct 124 * which will unique per ISA bus. 125 */ 126 127 #define MAXCARDS_PER_ISABUS 8 /* if you have more than 8, you lose */ 128 129 struct ef_isabus { 130 LIST_ENTRY(ef_isabus) isa_link; 131 struct device *isa_bus; 132 133 int bus_state; 134 135 struct card { 136 bus_addr_t iobase; 137 bus_addr_t maddr; 138 bus_size_t msize; 139 int irq; 140 int available; 141 } isa_cards[MAXCARDS_PER_ISABUS]; 142 }; 143 144 static LIST_HEAD(, ef_isabus) ef_isa_buses; 145 static int ef_isa_buses_inited; 146 147 static void 148 ef_card_add( 149 struct ef_isabus *bus, 150 bus_addr_t iobase, 151 bus_addr_t maddr, 152 bus_size_t msize, 153 int irq) 154 { 155 int idx; 156 157 DPRINTF(("Adding 3c507 at 0x%x, IRQ %d, Mem 0x%lx/%ld\n", 158 (u_int) iobase, irq, (u_long) maddr, msize)); 159 160 for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 161 if (bus->isa_cards[idx].available == 0) { 162 bus->isa_cards[idx].iobase = iobase; 163 bus->isa_cards[idx].maddr = maddr; 164 bus->isa_cards[idx].msize = msize; 165 bus->isa_cards[idx].irq = irq; 166 bus->isa_cards[idx].available = 1; 167 break; 168 } 169 } 170 } 171 172 /* 173 * 3C507 support routines 174 */ 175 static void 176 ef_reset(sc, why) 177 struct ie_softc *sc; 178 int why; 179 { 180 struct ef_softc* esc = (struct ef_softc *) sc; 181 182 switch (why) { 183 case CHIP_PROBE: 184 /* reset to chip to see if it responds */ 185 bus_space_write_1(esc->sc_regt, esc->sc_regh, 186 EF_CTRL, EF_CTRL_RESET); 187 DELAY(100); 188 bus_space_write_1(esc->sc_regt, esc->sc_regh, 189 EF_CTRL, EF_CTRL_NORMAL); 190 DELAY(100); 191 break; 192 193 case CARD_RESET: 194 /* 195 * this takes around 10sec, and we can get 196 * by quite well w/out it... 197 */ 198 break; 199 } 200 } 201 202 static void 203 ef_atten(sc, why) 204 struct ie_softc *sc; 205 int why; 206 { 207 struct ef_softc* esc = (struct ef_softc *) sc; 208 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ATTN, 1); 209 } 210 211 static void 212 ef_hwinit(sc) 213 struct ie_softc *sc; 214 { 215 struct ef_softc* esc = (struct ef_softc *) sc; 216 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 217 } 218 219 static int 220 ef_intrhook(sc, where) 221 struct ie_softc *sc; 222 int where; 223 { 224 unsigned char cr; 225 struct ef_softc* esc = (struct ef_softc *) sc; 226 227 switch (where) { 228 case INTR_ENTER: 229 /* entering ISR: disable, ack card interrupts */ 230 cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 231 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 232 cr & ~EF_CTRL_IEN); 233 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 234 break; 235 236 case INTR_EXIT: 237 /* exiting ISR: re-enable card interrupts */ 238 cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 239 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 240 cr | EF_CTRL_IEN); 241 break; 242 243 case INTR_LOOP: 244 /* looping in ISR: ack new interrupts */ 245 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 246 break; 247 } 248 249 return 1; 250 } 251 252 static u_int16_t 253 ef_read_16 (sc, offset) 254 struct ie_softc *sc; 255 int offset; 256 { 257 bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_READ); 258 return bus_space_read_2(sc->bt, sc->bh, offset); 259 } 260 261 static void 262 ef_copyin (sc, dst, offset, size) 263 struct ie_softc *sc; 264 void *dst; 265 int offset; 266 size_t size; 267 { 268 int dribble; 269 u_int8_t* bptr = dst; 270 271 bus_space_barrier(sc->bt, sc->bh, offset, size, 272 BUS_SPACE_BARRIER_READ); 273 274 if (offset % 2) { 275 *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 276 offset++; bptr++; size--; 277 } 278 279 dribble = size % 2; 280 bus_space_read_region_2(sc->bt, sc->bh, offset, (u_int16_t *) bptr, 281 size >> 1); 282 283 if (dribble) { 284 bptr += size - 1; 285 offset += size - 1; 286 *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 287 } 288 } 289 290 static void 291 ef_copyout (sc, src, offset, size) 292 struct ie_softc *sc; 293 const void *src; 294 int offset; 295 size_t size; 296 { 297 int dribble; 298 int osize = size; 299 int ooffset = offset; 300 const u_int8_t* bptr = src; 301 302 if (offset % 2) { 303 bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 304 offset++; bptr++; size--; 305 } 306 307 dribble = size % 2; 308 bus_space_write_region_2(sc->bt, sc->bh, offset, (u_int16_t *)bptr, 309 size >> 1); 310 if (dribble) { 311 bptr += size - 1; 312 offset += size - 1; 313 bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 314 } 315 316 bus_space_barrier(sc->bt, sc->bh, ooffset, osize, 317 BUS_SPACE_BARRIER_WRITE); 318 } 319 320 static void 321 ef_write_16 (sc, offset, value) 322 struct ie_softc *sc; 323 int offset; 324 u_int16_t value; 325 { 326 bus_space_write_2(sc->bt, sc->bh, offset, value); 327 bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_WRITE); 328 } 329 330 static void 331 ef_write_24 (sc, offset, addr) 332 struct ie_softc *sc; 333 int offset, addr; 334 { 335 bus_space_write_4(sc->bt, sc->bh, offset, addr + 336 (u_long) sc->sc_maddr - (u_long) sc->sc_iobase); 337 bus_space_barrier(sc->bt, sc->bh, offset, 4, BUS_SPACE_BARRIER_WRITE); 338 } 339 340 static void 341 ef_mediastatus(sc, ifmr) 342 struct ie_softc *sc; 343 struct ifmediareq *ifmr; 344 { 345 struct ifmedia *ifm = &sc->sc_media; 346 347 /* 348 * The currently selected media is always the active media. 349 */ 350 ifmr->ifm_active = ifm->ifm_cur->ifm_media; 351 } 352 353 int 354 ef_match(parent, cf, aux) 355 struct device *parent; 356 struct cfdata *cf; 357 void *aux; 358 { 359 struct isa_attach_args * const ia = aux; 360 361 int idx; 362 struct ef_isabus *bus; 363 364 bus_space_handle_t ioh; 365 bus_space_tag_t iot = ia->ia_iot; 366 367 if (ISA_DIRECT_CONFIG(ia)) 368 return (0); 369 370 if (ef_isa_buses_inited == 0) { 371 LIST_INIT(&ef_isa_buses); 372 ef_isa_buses_inited = 1; 373 } 374 375 /* 376 * Probe this bus if we haven't done so already. 377 */ 378 for (bus = ef_isa_buses.lh_first; bus != NULL; 379 bus = bus->isa_link.le_next) { 380 if (bus->isa_bus == parent) 381 break; 382 } 383 384 if (bus == NULL) { 385 bus_addr_t iobase; 386 387 /* 388 * Mark this bus so we don't probe it again. 389 */ 390 bus = (struct ef_isabus *) 391 malloc(sizeof(struct ef_isabus), M_DEVBUF, M_NOWAIT); 392 if (bus == NULL) 393 panic("ef_isa_probe: can't allocate state storage for %s", 394 parent->dv_xname); 395 396 bus->bus_state = 0; /* nothing done yet */ 397 bus->isa_bus = parent; 398 399 LIST_INSERT_HEAD(&ef_isa_buses, bus, isa_link); 400 401 if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh)) { 402 DPRINTF(("3c507 probe: can't map Etherlink ID port\n")); 403 return 0; 404 } 405 406 /* 407 * Reset and put card in CONFIG state without 408 * changing address. 409 */ 410 elink_reset(iot, ioh, parent->dv_unit); 411 elink_idseq(iot, ioh, ELINK_507_POLY); 412 elink_idseq(iot, ioh, ELINK_507_POLY); 413 bus_space_write_1(iot, ioh, 0, 0xff); 414 415 /* Unmap the ID port */ 416 bus_space_unmap(iot, ioh, 1); 417 418 bus->bus_state++; /* cards now in CONFIG state */ 419 420 for (iobase = EF_IOBASE_LOW; iobase <= EF_IOBASE_HIGH; 421 iobase += EF_IOSIZE) { 422 /* 423 * Map the 507's port-space for the probe sequence. 424 */ 425 if (bus_space_map(iot, iobase, EF_IOSIZE, 426 0, &ioh) != 0) 427 continue; 428 429 /* Now look for the 3Com magic bytes */ 430 431 if (ef_port_check(iot, ioh)) { 432 int irq; 433 u_int8_t v; 434 bus_addr_t maddr; 435 bus_addr_t msize; 436 bus_space_handle_t memh; 437 438 irq = bus_space_read_1(iot, ioh, EF_IRQ) & 439 EF_IRQ_MASK; 440 441 v = bus_space_read_1(iot, ioh, EF_MADDR); 442 maddr = EF_MADDR_BASE + 443 ((v & EF_MADDR_MASK) << EF_MADDR_SHIFT); 444 msize = ((v & EF_MSIZE_MASK) + 1) * 445 EF_MSIZE_STEP; 446 447 if (bus_space_map(ia->ia_memt, maddr, 448 msize, 0, &memh) == 0) { 449 ef_card_add(bus, iobase, maddr, 450 msize, irq); 451 bus_space_unmap(ia->ia_memt, 452 memh, msize); 453 } 454 } 455 bus_space_unmap(iot, ioh, EF_IOSIZE); 456 } 457 } 458 459 if (ia->ia_nio < 1) 460 return (0); 461 if (ia->ia_niomem < 1) 462 return (0); 463 if (ia->ia_nirq < 1) 464 return (0); 465 466 for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 467 if (bus->isa_cards[idx].available != 1) 468 continue; 469 470 if (ia->ia_io[0].ir_addr != ISACF_PORT_DEFAULT && 471 ia->ia_io[0].ir_addr != bus->isa_cards[idx].iobase) 472 continue; 473 474 if (ia->ia_iomem[0].ir_addr != ISACF_IOMEM_DEFAULT && 475 ia->ia_iomem[0].ir_addr != bus->isa_cards[idx].maddr) 476 continue; 477 478 if (ia->ia_irq[0].ir_irq != ISACF_IRQ_DEFAULT && 479 ia->ia_irq[0].ir_irq != bus->isa_cards[idx].irq) 480 continue; 481 482 break; 483 } 484 485 if (idx == MAXCARDS_PER_ISABUS) 486 return (0); 487 488 bus->isa_cards[idx].available++; 489 490 ia->ia_nio = 1; 491 ia->ia_io[0].ir_addr = bus->isa_cards[idx].iobase; 492 ia->ia_io[0].ir_size = EF_IOSIZE; 493 494 ia->ia_niomem = 1; 495 ia->ia_iomem[0].ir_addr = bus->isa_cards[idx].maddr; 496 ia->ia_iomem[0].ir_size = bus->isa_cards[idx].msize; 497 498 ia->ia_nirq = 1; 499 ia->ia_irq[0].ir_irq = bus->isa_cards[idx].irq; 500 501 ia->ia_ndrq = 0; 502 503 return (1); 504 } 505 506 void 507 ef_attach(parent, self, aux) 508 struct device *parent; 509 struct device *self; 510 void *aux; 511 { 512 struct ef_softc *esc = (void *)self; 513 struct ie_softc *sc = &esc->sc_ie; 514 struct isa_attach_args *ia = aux; 515 bus_space_tag_t iot = ia->ia_iot; 516 517 int i; 518 char version[20]; 519 struct ef_isabus *bus; 520 u_int8_t partno[EF_TYPE_LEN]; 521 bus_space_handle_t ioh, memh; 522 u_int8_t ethaddr[ETHER_ADDR_LEN]; 523 524 sc->hwinit = ef_hwinit; 525 sc->hwreset = ef_reset; 526 sc->chan_attn = ef_atten; 527 sc->intrhook = ef_intrhook; 528 529 sc->ie_bus_barrier = NULL; 530 531 sc->memcopyin = ef_copyin; 532 sc->memcopyout = ef_copyout; 533 sc->ie_bus_read16 = ef_read_16; 534 sc->ie_bus_write16 = ef_write_16; 535 sc->ie_bus_write24 = ef_write_24; 536 537 sc->sc_msize = 0; 538 539 /* 540 * NOP chains don't give any advantage on this card, in fact they 541 * seem to slow it down some. As the doctor says, "if it hurts, 542 * don't do it". 543 */ 544 sc->do_xmitnopchain = 0; 545 546 sc->sc_mediachange = NULL; 547 sc->sc_mediastatus = ef_mediastatus; 548 549 /* Find the cards parent bus */ 550 for (bus = ef_isa_buses.lh_first; bus != NULL; 551 bus = bus->isa_link.le_next) { 552 553 if (bus->isa_bus == parent) 554 break; 555 } 556 557 if (bus == NULL) 558 panic("%s: Can't find parent bus!", sc->sc_dev.dv_xname); 559 560 561 /* If the bus hasn't been transitioned to the RUN state, do so now */ 562 if (bus->bus_state == 1) { 563 if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh) != 0) { 564 DPRINTF(("\n%s: Can't map Elink ID port!\n", 565 sc->sc_dev.dv_xname)); 566 return; 567 } 568 569 bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 570 elink_idseq(ia->ia_iot, ioh, ELINK_507_POLY); 571 bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 572 bus_space_unmap(ia->ia_iot, ioh, 1); 573 574 bus->bus_state++; 575 } 576 577 /* Map i/o space. */ 578 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 579 ia->ia_io[0].ir_size, 0, &ioh) != 0) { 580 581 DPRINTF(("\n%s: can't map i/o space 0x%x-0x%x\n", 582 sc->sc_dev.dv_xname, ia->ia_io[0].ir_addr, 583 ia->ia_io[0].ir_addr + ia->ia_io[0].ir_size - 1)); 584 return; 585 } 586 587 esc->sc_regt = ia->ia_iot; 588 esc->sc_regh = ioh; 589 590 if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, 591 ia->ia_iomem[0].ir_size, 0, &memh) != 0) { 592 593 DPRINTF(("\n%s: can't map iomem space 0x%x-0x%x\n", 594 sc->sc_dev.dv_xname, ia->ia_maddr, 595 ia->ia_maddr + ia->ia_msize - 1)); 596 bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 597 return; 598 } 599 600 sc->bt = ia->ia_memt; 601 sc->bh = memh; 602 603 sc->sc_msize = ia->ia_iomem[0].ir_size; 604 sc->sc_maddr = (void *)memh; 605 sc->sc_iobase = (char *)sc->sc_maddr + sc->sc_msize - (1 << 24); 606 607 /* set up pointers to important on-card control structures */ 608 sc->iscp = 0; 609 sc->scb = IE_ISCP_SZ; 610 sc->scp = sc->sc_msize + IE_SCP_ADDR - (1 << 24); 611 612 sc->buf_area = sc->scb + IE_SCB_SZ; 613 sc->buf_area_sz = sc->sc_msize - IE_ISCP_SZ - IE_SCB_SZ - IE_SCP_SZ; 614 615 /* zero card memory */ 616 bus_space_set_region_1(sc->bt, sc->bh, 0, 0, sc->sc_msize); 617 618 /* set card to 16-bit bus mode */ 619 bus_space_write_1(sc->bt, sc->bh, IE_SCP_BUS_USE((u_long)sc->scp), 620 IE_SYSBUS_16BIT); 621 622 /* set up pointers to key structures */ 623 ef_write_24(sc, IE_SCP_ISCP((u_long)sc->scp), (u_long) sc->iscp); 624 ef_write_16(sc, IE_ISCP_SCB((u_long)sc->iscp), (u_long) sc->scb); 625 ef_write_24(sc, IE_ISCP_BASE((u_long)sc->iscp), (u_long) sc->iscp); 626 627 /* flush setup of pointers, check if chip answers */ 628 bus_space_barrier(sc->bt, sc->bh, 0, sc->sc_msize, 629 BUS_SPACE_BARRIER_WRITE); 630 if (!i82586_proberam(sc)) { 631 DPRINTF(("\n%s: can't talk to i82586!\n", 632 sc->sc_dev.dv_xname)); 633 bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 634 bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size); 635 return; 636 } 637 638 /* set bank 2 for card part number and revision */ 639 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 640 EF_CTRL_NRST | EF_CTRL_BNK2); 641 642 /* card revision is encoded in BCD */ 643 i = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_REV); 644 esc->card_rev = 10 * (i / 16) + (i % 16); 645 646 for (i = 0; i < EF_TYPE_LEN; i++) 647 partno[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 648 EF_TYPE + i); 649 650 /* use part number to guess if card is TP or AUI/BNC model */ 651 esc->card_type = EF_IS_TP(partno) ? EF_CARD_TP : EF_CARD_BNC; 652 653 /* set bank 0 for ethernet address */ 654 bus_space_write_1(esc->sc_regt, esc->sc_regh, 655 EF_CTRL, EF_CTRL_NORMAL); 656 657 for (i = 0; i < EF_ADDR_LEN; i++) 658 ethaddr[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 659 EF_ADDR + i); 660 661 sprintf(version, "%s, rev. %d", 662 (esc->card_type == EF_CARD_TP) ? "3C507-TP" : "3C507", 663 esc->card_rev); 664 665 if (esc->card_type == EF_CARD_TP) 666 i82586_attach(sc, version, ethaddr, eftp_media, NEFTP_MEDIA, 667 eftp_media[0]); 668 else { 669 u_int8_t media = bus_space_read_1(esc->sc_regt, esc->sc_regh, 670 EF_MEDIA); 671 media = (media & EF_MEDIA_MASK) >> EF_MEDIA_SHIFT; 672 673 i82586_attach(sc, version, ethaddr, ef_media, NEF_MEDIA, 674 ef_media[media]); 675 } 676 677 /* Clear the interrupt latch just in case. */ 678 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 679 680 esc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 681 IST_EDGE, IPL_NET, i82586_intr, sc); 682 if (esc->sc_ih == NULL) { 683 DPRINTF(("\n%s: can't establish interrupt\n", 684 sc->sc_dev.dv_xname)); 685 } 686 } 687 688 static int 689 ef_port_check(iot, ioh) 690 bus_space_tag_t iot; 691 bus_space_handle_t ioh; 692 { 693 int i; 694 u_char ch; 695 u_char* signature = EF_SIGNATURE; 696 697 for (i = 0; i < strlen(signature); i++) { 698 ch = bus_space_read_1(iot, ioh, i); 699 if (ch != signature[i]) 700 return 0; 701 } 702 703 /* If card is mapped in high memory (above 15Meg), we can't use it */ 704 ch = bus_space_read_1(iot, ioh, EF_MADDR); 705 if (ch & EF_MADDR_HIGH) 706 return 0; /* XXX: maybe we should panic?? */ 707 708 return 1; 709 } 710 711 struct cfattach ef_ca = { 712 sizeof(struct ef_softc), ef_match, ef_attach 713 }; 714 715