1 /* $NetBSD: if_ef.c,v 1.24 2007/10/19 12:00:17 ad 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 1.24 2007/10/19 12:00:17 ad 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 <sys/cpu.h> 57 #include <sys/bus.h> 58 #include <sys/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(struct ie_softc *, int); 99 static void ef_hwinit(struct ie_softc *); 100 static void ef_atten(struct ie_softc *, int); 101 static int ef_intrhook(struct ie_softc *, int); 102 103 static void ef_copyin(struct ie_softc *, void *, int, size_t); 104 static void ef_copyout(struct ie_softc *, const void *, int, size_t); 105 106 static u_int16_t ef_read_16(struct ie_softc *, int); 107 static void ef_write_16(struct ie_softc *, int, u_int16_t); 108 static void ef_write_24(struct ie_softc *, int, int); 109 110 static void ef_mediastatus(struct ie_softc *, struct ifmediareq *); 111 112 /* Local routines */ 113 static int ef_port_check(bus_space_tag_t, bus_space_handle_t); 114 115 int ef_match(struct device *, struct cfdata *, void *); 116 void ef_attach(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 msiz, 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, msiz)); 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 = msiz; 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(struct ie_softc *sc, int why) 204 { 205 struct ef_softc* esc = (struct ef_softc *) sc; 206 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ATTN, 1); 207 } 208 209 static void 210 ef_hwinit(sc) 211 struct ie_softc *sc; 212 { 213 struct ef_softc* esc = (struct ef_softc *) sc; 214 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 215 } 216 217 static int 218 ef_intrhook(sc, where) 219 struct ie_softc *sc; 220 int where; 221 { 222 unsigned char cr; 223 struct ef_softc* esc = (struct ef_softc *) sc; 224 225 switch (where) { 226 case INTR_ENTER: 227 /* entering ISR: disable, ack card interrupts */ 228 cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 229 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 230 cr & ~EF_CTRL_IEN); 231 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 232 break; 233 234 case INTR_EXIT: 235 /* exiting ISR: re-enable card interrupts */ 236 cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 237 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 238 cr | EF_CTRL_IEN); 239 break; 240 241 case INTR_LOOP: 242 /* looping in ISR: ack new interrupts */ 243 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 244 break; 245 } 246 247 return 1; 248 } 249 250 static u_int16_t 251 ef_read_16 (sc, offset) 252 struct ie_softc *sc; 253 int offset; 254 { 255 bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_READ); 256 return bus_space_read_2(sc->bt, sc->bh, offset); 257 } 258 259 static void 260 ef_copyin (sc, dst, offset, size) 261 struct ie_softc *sc; 262 void *dst; 263 int offset; 264 size_t size; 265 { 266 int dribble; 267 u_int8_t* bptr = dst; 268 269 bus_space_barrier(sc->bt, sc->bh, offset, size, 270 BUS_SPACE_BARRIER_READ); 271 272 if (offset % 2) { 273 *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 274 offset++; bptr++; size--; 275 } 276 277 dribble = size % 2; 278 bus_space_read_region_2(sc->bt, sc->bh, offset, (u_int16_t *) bptr, 279 size >> 1); 280 281 if (dribble) { 282 bptr += size - 1; 283 offset += size - 1; 284 *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 285 } 286 } 287 288 static void 289 ef_copyout (sc, src, offset, size) 290 struct ie_softc *sc; 291 const void *src; 292 int offset; 293 size_t size; 294 { 295 int dribble; 296 int osize = size; 297 int ooffset = offset; 298 const u_int8_t* bptr = src; 299 300 if (offset % 2) { 301 bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 302 offset++; bptr++; size--; 303 } 304 305 dribble = size % 2; 306 bus_space_write_region_2(sc->bt, sc->bh, offset, 307 (const u_int16_t *)bptr, size >> 1); 308 if (dribble) { 309 bptr += size - 1; 310 offset += size - 1; 311 bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 312 } 313 314 bus_space_barrier(sc->bt, sc->bh, ooffset, osize, 315 BUS_SPACE_BARRIER_WRITE); 316 } 317 318 static void 319 ef_write_16 (sc, offset, value) 320 struct ie_softc *sc; 321 int offset; 322 u_int16_t value; 323 { 324 bus_space_write_2(sc->bt, sc->bh, offset, value); 325 bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_WRITE); 326 } 327 328 static void 329 ef_write_24 (sc, offset, addr) 330 struct ie_softc *sc; 331 int offset, addr; 332 { 333 bus_space_write_4(sc->bt, sc->bh, offset, addr + 334 (u_long) sc->sc_maddr - (u_long) sc->sc_iobase); 335 bus_space_barrier(sc->bt, sc->bh, offset, 4, BUS_SPACE_BARRIER_WRITE); 336 } 337 338 static void 339 ef_mediastatus(sc, ifmr) 340 struct ie_softc *sc; 341 struct ifmediareq *ifmr; 342 { 343 struct ifmedia *ifm = &sc->sc_media; 344 345 /* 346 * The currently selected media is always the active media. 347 */ 348 ifmr->ifm_active = ifm->ifm_cur->ifm_media; 349 } 350 351 int 352 ef_match(struct device *parent, struct cfdata *cf, void *aux) 353 { 354 struct isa_attach_args * const ia = aux; 355 356 int idx; 357 struct ef_isabus *bus; 358 359 bus_space_handle_t ioh; 360 bus_space_tag_t iot = ia->ia_iot; 361 362 if (ISA_DIRECT_CONFIG(ia)) 363 return (0); 364 365 if (ef_isa_buses_inited == 0) { 366 LIST_INIT(&ef_isa_buses); 367 ef_isa_buses_inited = 1; 368 } 369 370 /* 371 * Probe this bus if we haven't done so already. 372 */ 373 for (bus = ef_isa_buses.lh_first; bus != NULL; 374 bus = bus->isa_link.le_next) { 375 if (bus->isa_bus == parent) 376 break; 377 } 378 379 if (bus == NULL) { 380 bus_addr_t iobase; 381 382 /* 383 * Mark this bus so we don't probe it again. 384 */ 385 bus = (struct ef_isabus *) 386 malloc(sizeof(struct ef_isabus), M_DEVBUF, M_NOWAIT); 387 if (bus == NULL) 388 panic("ef_isa_probe: can't allocate state storage for %s", 389 parent->dv_xname); 390 391 bus->bus_state = 0; /* nothing done yet */ 392 bus->isa_bus = parent; 393 394 LIST_INSERT_HEAD(&ef_isa_buses, bus, isa_link); 395 396 if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh)) { 397 DPRINTF(("3c507 probe: can't map Etherlink ID port\n")); 398 return 0; 399 } 400 401 /* 402 * Reset and put card in CONFIG state without 403 * changing address. 404 */ 405 elink_reset(iot, ioh, device_unit(parent)); 406 elink_idseq(iot, ioh, ELINK_507_POLY); 407 elink_idseq(iot, ioh, ELINK_507_POLY); 408 bus_space_write_1(iot, ioh, 0, 0xff); 409 410 /* Unmap the ID port */ 411 bus_space_unmap(iot, ioh, 1); 412 413 bus->bus_state++; /* cards now in CONFIG state */ 414 415 for (iobase = EF_IOBASE_LOW; iobase <= EF_IOBASE_HIGH; 416 iobase += EF_IOSIZE) { 417 /* 418 * Map the 507's port-space for the probe sequence. 419 */ 420 if (bus_space_map(iot, iobase, EF_IOSIZE, 421 0, &ioh) != 0) 422 continue; 423 424 /* Now look for the 3Com magic bytes */ 425 426 if (ef_port_check(iot, ioh)) { 427 int irq; 428 u_int8_t v; 429 bus_addr_t maddr; 430 bus_addr_t msiz1; 431 bus_space_handle_t memh; 432 433 irq = bus_space_read_1(iot, ioh, EF_IRQ) & 434 EF_IRQ_MASK; 435 436 v = bus_space_read_1(iot, ioh, EF_MADDR); 437 maddr = EF_MADDR_BASE + 438 ((v & EF_MADDR_MASK) << EF_MADDR_SHIFT); 439 msiz1 = ((v & EF_MSIZE_MASK) + 1) * 440 EF_MSIZE_STEP; 441 442 if (bus_space_map(ia->ia_memt, maddr, 443 msiz1, 0, &memh) == 0) { 444 ef_card_add(bus, iobase, maddr, 445 msiz1, irq); 446 bus_space_unmap(ia->ia_memt, 447 memh, msiz1); 448 } 449 } 450 bus_space_unmap(iot, ioh, EF_IOSIZE); 451 } 452 } 453 454 if (ia->ia_nio < 1) 455 return (0); 456 if (ia->ia_niomem < 1) 457 return (0); 458 if (ia->ia_nirq < 1) 459 return (0); 460 461 for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 462 if (bus->isa_cards[idx].available != 1) 463 continue; 464 465 if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT && 466 ia->ia_io[0].ir_addr != bus->isa_cards[idx].iobase) 467 continue; 468 469 if (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM && 470 ia->ia_iomem[0].ir_addr != bus->isa_cards[idx].maddr) 471 continue; 472 473 if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ && 474 ia->ia_irq[0].ir_irq != bus->isa_cards[idx].irq) 475 continue; 476 477 break; 478 } 479 480 if (idx == MAXCARDS_PER_ISABUS) 481 return (0); 482 483 bus->isa_cards[idx].available++; 484 485 ia->ia_nio = 1; 486 ia->ia_io[0].ir_addr = bus->isa_cards[idx].iobase; 487 ia->ia_io[0].ir_size = EF_IOSIZE; 488 489 ia->ia_niomem = 1; 490 ia->ia_iomem[0].ir_addr = bus->isa_cards[idx].maddr; 491 ia->ia_iomem[0].ir_size = bus->isa_cards[idx].msize; 492 493 ia->ia_nirq = 1; 494 ia->ia_irq[0].ir_irq = bus->isa_cards[idx].irq; 495 496 ia->ia_ndrq = 0; 497 498 return (1); 499 } 500 501 void 502 ef_attach(parent, self, aux) 503 struct device *parent; 504 struct device *self; 505 void *aux; 506 { 507 struct ef_softc *esc = (void *)self; 508 struct ie_softc *sc = &esc->sc_ie; 509 struct isa_attach_args *ia = aux; 510 bus_space_tag_t iot = ia->ia_iot; 511 512 int i; 513 char vers[20]; 514 struct ef_isabus *bus; 515 u_int8_t partno[EF_TYPE_LEN]; 516 bus_space_handle_t ioh, memh; 517 u_int8_t ethaddr[ETHER_ADDR_LEN]; 518 519 sc->hwinit = ef_hwinit; 520 sc->hwreset = ef_reset; 521 sc->chan_attn = ef_atten; 522 sc->intrhook = ef_intrhook; 523 524 sc->ie_bus_barrier = NULL; 525 526 sc->memcopyin = ef_copyin; 527 sc->memcopyout = ef_copyout; 528 sc->ie_bus_read16 = ef_read_16; 529 sc->ie_bus_write16 = ef_write_16; 530 sc->ie_bus_write24 = ef_write_24; 531 532 sc->sc_msize = 0; 533 534 /* 535 * NOP chains don't give any advantage on this card, in fact they 536 * seem to slow it down some. As the doctor says, "if it hurts, 537 * don't do it". 538 */ 539 sc->do_xmitnopchain = 0; 540 541 sc->sc_mediachange = NULL; 542 sc->sc_mediastatus = ef_mediastatus; 543 544 /* Find the cards parent bus */ 545 for (bus = ef_isa_buses.lh_first; bus != NULL; 546 bus = bus->isa_link.le_next) { 547 548 if (bus->isa_bus == parent) 549 break; 550 } 551 552 if (bus == NULL) 553 panic("%s: Can't find parent bus!", sc->sc_dev.dv_xname); 554 555 556 /* If the bus hasn't been transitioned to the RUN state, do so now */ 557 if (bus->bus_state == 1) { 558 if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh) != 0) { 559 DPRINTF(("\n%s: Can't map Elink ID port!\n", 560 sc->sc_dev.dv_xname)); 561 return; 562 } 563 564 bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 565 elink_idseq(ia->ia_iot, ioh, ELINK_507_POLY); 566 bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 567 bus_space_unmap(ia->ia_iot, ioh, 1); 568 569 bus->bus_state++; 570 } 571 572 /* Map i/o space. */ 573 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 574 ia->ia_io[0].ir_size, 0, &ioh) != 0) { 575 576 DPRINTF(("\n%s: can't map i/o space 0x%x-0x%x\n", 577 sc->sc_dev.dv_xname, ia->ia_io[0].ir_addr, 578 ia->ia_io[0].ir_addr + ia->ia_io[0].ir_size - 1)); 579 return; 580 } 581 582 esc->sc_regt = ia->ia_iot; 583 esc->sc_regh = ioh; 584 585 if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, 586 ia->ia_iomem[0].ir_size, 0, &memh) != 0) { 587 588 DPRINTF(("\n%s: can't map iomem space 0x%x-0x%x\n", 589 sc->sc_dev.dv_xname, ia->ia_maddr, 590 ia->ia_maddr + ia->ia_msize - 1)); 591 bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 592 return; 593 } 594 595 sc->bt = ia->ia_memt; 596 sc->bh = memh; 597 598 sc->sc_msize = ia->ia_iomem[0].ir_size; 599 sc->sc_maddr = (void *)memh; 600 sc->sc_iobase = (char *)sc->sc_maddr + sc->sc_msize - (1 << 24); 601 602 /* set up pointers to important on-card control structures */ 603 sc->iscp = 0; 604 sc->scb = IE_ISCP_SZ; 605 sc->scp = sc->sc_msize + IE_SCP_ADDR - (1 << 24); 606 607 sc->buf_area = sc->scb + IE_SCB_SZ; 608 sc->buf_area_sz = sc->sc_msize - IE_ISCP_SZ - IE_SCB_SZ - IE_SCP_SZ; 609 610 /* zero card memory */ 611 bus_space_set_region_1(sc->bt, sc->bh, 0, 0, sc->sc_msize); 612 613 /* set card to 16-bit bus mode */ 614 bus_space_write_1(sc->bt, sc->bh, IE_SCP_BUS_USE((u_long)sc->scp), 615 IE_SYSBUS_16BIT); 616 617 /* set up pointers to key structures */ 618 ef_write_24(sc, IE_SCP_ISCP((u_long)sc->scp), (u_long) sc->iscp); 619 ef_write_16(sc, IE_ISCP_SCB((u_long)sc->iscp), (u_long) sc->scb); 620 ef_write_24(sc, IE_ISCP_BASE((u_long)sc->iscp), (u_long) sc->iscp); 621 622 /* flush setup of pointers, check if chip answers */ 623 bus_space_barrier(sc->bt, sc->bh, 0, sc->sc_msize, 624 BUS_SPACE_BARRIER_WRITE); 625 if (!i82586_proberam(sc)) { 626 DPRINTF(("\n%s: can't talk to i82586!\n", 627 sc->sc_dev.dv_xname)); 628 bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 629 bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size); 630 return; 631 } 632 633 /* set bank 2 for card part number and revision */ 634 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 635 EF_CTRL_NRST | EF_CTRL_BNK2); 636 637 /* card revision is encoded in BCD */ 638 i = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_REV); 639 esc->card_rev = 10 * (i / 16) + (i % 16); 640 641 for (i = 0; i < EF_TYPE_LEN; i++) 642 partno[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 643 EF_TYPE + i); 644 645 /* use part number to guess if card is TP or AUI/BNC model */ 646 esc->card_type = EF_IS_TP(partno) ? EF_CARD_TP : EF_CARD_BNC; 647 648 /* set bank 0 for ethernet address */ 649 bus_space_write_1(esc->sc_regt, esc->sc_regh, 650 EF_CTRL, EF_CTRL_NORMAL); 651 652 for (i = 0; i < EF_ADDR_LEN; i++) 653 ethaddr[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 654 EF_ADDR + i); 655 656 snprintf(vers, sizeof(vers), "%s, rev. %d", 657 (esc->card_type == EF_CARD_TP) ? "3C507-TP" : "3C507", 658 esc->card_rev); 659 660 if (esc->card_type == EF_CARD_TP) 661 i82586_attach(sc, vers, ethaddr, eftp_media, NEFTP_MEDIA, 662 eftp_media[0]); 663 else { 664 u_int8_t media = bus_space_read_1(esc->sc_regt, esc->sc_regh, 665 EF_MEDIA); 666 media = (media & EF_MEDIA_MASK) >> EF_MEDIA_SHIFT; 667 668 i82586_attach(sc, vers, ethaddr, ef_media, NEF_MEDIA, 669 ef_media[media]); 670 } 671 672 /* Clear the interrupt latch just in case. */ 673 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 674 675 esc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 676 IST_EDGE, IPL_NET, i82586_intr, sc); 677 if (esc->sc_ih == NULL) { 678 DPRINTF(("\n%s: can't establish interrupt\n", 679 sc->sc_dev.dv_xname)); 680 } 681 } 682 683 static int 684 ef_port_check(iot, ioh) 685 bus_space_tag_t iot; 686 bus_space_handle_t ioh; 687 { 688 int i; 689 u_char ch; 690 const u_char* signature = EF_SIGNATURE; 691 692 for (i = 0; i < strlen(signature); i++) { 693 ch = bus_space_read_1(iot, ioh, i); 694 if (ch != signature[i]) 695 return 0; 696 } 697 698 /* If card is mapped in high memory (above 15Meg), we can't use it */ 699 ch = bus_space_read_1(iot, ioh, EF_MADDR); 700 if (ch & EF_MADDR_HIGH) 701 return 0; /* XXX: maybe we should panic?? */ 702 703 return 1; 704 } 705 706 CFATTACH_DECL(ef, sizeof(struct ef_softc), 707 ef_match, ef_attach, NULL, NULL); 708 709