if_ef.c revision 1.30
1 1.30 cegger /* $NetBSD: if_ef.c,v 1.30 2009/05/12 09:10:15 cegger Exp $ */ 2 1.1 pk 3 1.1 pk /*- 4 1.1 pk * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.1 pk * All rights reserved. 6 1.1 pk * 7 1.1 pk * This code is derived from software contributed to The NetBSD Foundation 8 1.1 pk * by Rafal K. Boni. 9 1.1 pk * 10 1.1 pk * Redistribution and use in source and binary forms, with or without 11 1.1 pk * modification, are permitted provided that the following conditions 12 1.1 pk * are met: 13 1.1 pk * 1. Redistributions of source code must retain the above copyright 14 1.1 pk * notice, this list of conditions and the following disclaimer. 15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 pk * notice, this list of conditions and the following disclaimer in the 17 1.1 pk * documentation and/or other materials provided with the distribution. 18 1.1 pk * 19 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 pk * POSSIBILITY OF SUCH DAMAGE. 30 1.1 pk */ 31 1.10 lukem 32 1.10 lukem #include <sys/cdefs.h> 33 1.30 cegger __KERNEL_RCSID(0, "$NetBSD: if_ef.c,v 1.30 2009/05/12 09:10:15 cegger Exp $"); 34 1.1 pk 35 1.1 pk #include <sys/param.h> 36 1.1 pk #include <sys/systm.h> 37 1.1 pk #include <sys/mbuf.h> 38 1.1 pk #include <sys/errno.h> 39 1.1 pk #include <sys/device.h> 40 1.1 pk #include <sys/protosw.h> 41 1.1 pk #include <sys/socket.h> 42 1.1 pk 43 1.1 pk #include <net/if.h> 44 1.1 pk #include <net/if_dl.h> 45 1.1 pk #include <net/if_types.h> 46 1.1 pk #include <net/if_media.h> 47 1.1 pk #include <net/if_ether.h> 48 1.1 pk 49 1.24 ad #include <sys/cpu.h> 50 1.24 ad #include <sys/bus.h> 51 1.24 ad #include <sys/intr.h> 52 1.1 pk 53 1.1 pk #include <dev/isa/isareg.h> 54 1.1 pk #include <dev/isa/isavar.h> 55 1.1 pk 56 1.1 pk #include <dev/ic/i82586reg.h> 57 1.1 pk #include <dev/ic/i82586var.h> 58 1.1 pk #include <dev/isa/if_efreg.h> 59 1.1 pk #include <dev/isa/elink.h> 60 1.1 pk 61 1.1 pk #ifdef EF_DEBUG 62 1.1 pk #define DPRINTF(x) printf x 63 1.1 pk #else 64 1.2 pk #define DPRINTF(x) 65 1.1 pk #endif 66 1.1 pk 67 1.1 pk struct ef_softc { 68 1.1 pk struct ie_softc sc_ie; 69 1.1 pk 70 1.1 pk bus_space_tag_t sc_regt; /* space tag for registers */ 71 1.1 pk bus_space_handle_t sc_regh; /* space handle for registers */ 72 1.1 pk 73 1.1 pk void* sc_ih; /* interrupt handle */ 74 1.1 pk 75 1.1 pk u_int8_t card_rev; /* hardware revision */ 76 1.1 pk u_int8_t card_type; /* card model -- AUI/BNC or TP */ 77 1.1 pk }; 78 1.1 pk 79 1.2 pk int ef_media[] = { 80 1.1 pk IFM_ETHER | IFM_10_5, 81 1.1 pk IFM_ETHER | IFM_10_2, 82 1.1 pk }; 83 1.1 pk #define NEF_MEDIA (sizeof(ef_media) / sizeof(ef_media[0])) 84 1.1 pk 85 1.1 pk int eftp_media[] = { 86 1.1 pk IFM_ETHER | IFM_10_T, 87 1.1 pk }; 88 1.1 pk #define NEFTP_MEDIA (sizeof(eftp_media) / sizeof(eftp_media[0])) 89 1.1 pk 90 1.1 pk /* Routines required by the MI i82586 driver API */ 91 1.18 perry static void ef_reset(struct ie_softc *, int); 92 1.18 perry static void ef_hwinit(struct ie_softc *); 93 1.18 perry static void ef_atten(struct ie_softc *, int); 94 1.18 perry static int ef_intrhook(struct ie_softc *, int); 95 1.18 perry 96 1.18 perry static void ef_copyin(struct ie_softc *, void *, int, size_t); 97 1.18 perry static void ef_copyout(struct ie_softc *, const void *, int, size_t); 98 1.18 perry 99 1.18 perry static u_int16_t ef_read_16(struct ie_softc *, int); 100 1.18 perry static void ef_write_16(struct ie_softc *, int, u_int16_t); 101 1.18 perry static void ef_write_24(struct ie_softc *, int, int); 102 1.1 pk 103 1.18 perry static void ef_mediastatus(struct ie_softc *, struct ifmediareq *); 104 1.1 pk 105 1.1 pk /* Local routines */ 106 1.18 perry static int ef_port_check(bus_space_tag_t, bus_space_handle_t); 107 1.1 pk 108 1.30 cegger int ef_match(device_t, cfdata_t, void *); 109 1.30 cegger void ef_attach(device_t, device_t, void *); 110 1.1 pk 111 1.1 pk /* 112 1.1 pk * This keeps track of which ISAs have been through an ie probe sequence. 113 1.1 pk * A simple static variable isn't enough, since it's conceivable that 114 1.1 pk * a system might have more than one ISA bus. 115 1.1 pk * 116 1.1 pk * The "isa_bus" member is a pointer to the parent ISA bus device struct 117 1.2 pk * which will unique per ISA bus. 118 1.1 pk */ 119 1.1 pk 120 1.1 pk #define MAXCARDS_PER_ISABUS 8 /* if you have more than 8, you lose */ 121 1.1 pk 122 1.1 pk struct ef_isabus { 123 1.2 pk LIST_ENTRY(ef_isabus) isa_link; 124 1.30 cegger device_t isa_bus; 125 1.1 pk 126 1.2 pk int bus_state; 127 1.1 pk 128 1.2 pk struct card { 129 1.2 pk bus_addr_t iobase; 130 1.2 pk bus_addr_t maddr; 131 1.2 pk bus_size_t msize; 132 1.2 pk int irq; 133 1.2 pk int available; 134 1.2 pk } isa_cards[MAXCARDS_PER_ISABUS]; 135 1.1 pk }; 136 1.1 pk 137 1.1 pk static LIST_HEAD(, ef_isabus) ef_isa_buses; 138 1.1 pk static int ef_isa_buses_inited; 139 1.1 pk 140 1.1 pk static void 141 1.1 pk ef_card_add( 142 1.1 pk struct ef_isabus *bus, 143 1.1 pk bus_addr_t iobase, 144 1.1 pk bus_addr_t maddr, 145 1.19 christos bus_size_t msiz, 146 1.1 pk int irq) 147 1.1 pk { 148 1.2 pk int idx; 149 1.1 pk 150 1.2 pk DPRINTF(("Adding 3c507 at 0x%x, IRQ %d, Mem 0x%lx/%ld\n", 151 1.19 christos (u_int) iobase, irq, (u_long) maddr, msiz)); 152 1.1 pk 153 1.2 pk for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 154 1.2 pk if (bus->isa_cards[idx].available == 0) { 155 1.2 pk bus->isa_cards[idx].iobase = iobase; 156 1.2 pk bus->isa_cards[idx].maddr = maddr; 157 1.19 christos bus->isa_cards[idx].msize = msiz; 158 1.2 pk bus->isa_cards[idx].irq = irq; 159 1.2 pk bus->isa_cards[idx].available = 1; 160 1.2 pk break; 161 1.2 pk } 162 1.2 pk } 163 1.1 pk } 164 1.1 pk 165 1.1 pk /* 166 1.1 pk * 3C507 support routines 167 1.1 pk */ 168 1.1 pk static void 169 1.27 dsl ef_reset(struct ie_softc *sc, int why) 170 1.1 pk { 171 1.2 pk struct ef_softc* esc = (struct ef_softc *) sc; 172 1.1 pk 173 1.2 pk switch (why) { 174 1.2 pk case CHIP_PROBE: 175 1.2 pk /* reset to chip to see if it responds */ 176 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, 177 1.2 pk EF_CTRL, EF_CTRL_RESET); 178 1.2 pk DELAY(100); 179 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, 180 1.2 pk EF_CTRL, EF_CTRL_NORMAL); 181 1.2 pk DELAY(100); 182 1.2 pk break; 183 1.2 pk 184 1.2 pk case CARD_RESET: 185 1.2 pk /* 186 1.2 pk * this takes around 10sec, and we can get 187 1.2 pk * by quite well w/out it... 188 1.2 pk */ 189 1.2 pk break; 190 1.2 pk } 191 1.1 pk } 192 1.1 pk 193 1.1 pk static void 194 1.23 christos ef_atten(struct ie_softc *sc, int why) 195 1.1 pk { 196 1.2 pk struct ef_softc* esc = (struct ef_softc *) sc; 197 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ATTN, 1); 198 1.1 pk } 199 1.1 pk 200 1.1 pk static void 201 1.27 dsl ef_hwinit(struct ie_softc *sc) 202 1.1 pk { 203 1.2 pk struct ef_softc* esc = (struct ef_softc *) sc; 204 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 205 1.1 pk } 206 1.1 pk 207 1.1 pk static int 208 1.27 dsl ef_intrhook(struct ie_softc *sc, int where) 209 1.1 pk { 210 1.2 pk unsigned char cr; 211 1.2 pk struct ef_softc* esc = (struct ef_softc *) sc; 212 1.1 pk 213 1.2 pk switch (where) { 214 1.2 pk case INTR_ENTER: 215 1.2 pk /* entering ISR: disable, ack card interrupts */ 216 1.2 pk cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 217 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 218 1.2 pk cr & ~EF_CTRL_IEN); 219 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 220 1.2 pk break; 221 1.2 pk 222 1.2 pk case INTR_EXIT: 223 1.2 pk /* exiting ISR: re-enable card interrupts */ 224 1.2 pk cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 225 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 226 1.2 pk cr | EF_CTRL_IEN); 227 1.2 pk break; 228 1.2 pk 229 1.2 pk case INTR_LOOP: 230 1.2 pk /* looping in ISR: ack new interrupts */ 231 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 232 1.2 pk break; 233 1.1 pk } 234 1.1 pk 235 1.1 pk return 1; 236 1.1 pk } 237 1.1 pk 238 1.2 pk static u_int16_t 239 1.28 dsl ef_read_16 (struct ie_softc *sc, int offset) 240 1.1 pk { 241 1.1 pk bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_READ); 242 1.1 pk return bus_space_read_2(sc->bt, sc->bh, offset); 243 1.1 pk } 244 1.1 pk 245 1.2 pk static void 246 1.28 dsl ef_copyin (struct ie_softc *sc, void *dst, int offset, size_t size) 247 1.1 pk { 248 1.2 pk int dribble; 249 1.2 pk u_int8_t* bptr = dst; 250 1.1 pk 251 1.2 pk bus_space_barrier(sc->bt, sc->bh, offset, size, 252 1.2 pk BUS_SPACE_BARRIER_READ); 253 1.1 pk 254 1.2 pk if (offset % 2) { 255 1.2 pk *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 256 1.2 pk offset++; bptr++; size--; 257 1.2 pk } 258 1.1 pk 259 1.2 pk dribble = size % 2; 260 1.2 pk bus_space_read_region_2(sc->bt, sc->bh, offset, (u_int16_t *) bptr, 261 1.2 pk size >> 1); 262 1.2 pk 263 1.2 pk if (dribble) { 264 1.2 pk bptr += size - 1; 265 1.2 pk offset += size - 1; 266 1.2 pk *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 267 1.2 pk } 268 1.1 pk } 269 1.1 pk 270 1.2 pk static void 271 1.28 dsl ef_copyout (struct ie_softc *sc, const void *src, int offset, size_t size) 272 1.1 pk { 273 1.2 pk int dribble; 274 1.2 pk int osize = size; 275 1.2 pk int ooffset = offset; 276 1.2 pk const u_int8_t* bptr = src; 277 1.2 pk 278 1.2 pk if (offset % 2) { 279 1.2 pk bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 280 1.2 pk offset++; bptr++; size--; 281 1.2 pk } 282 1.1 pk 283 1.2 pk dribble = size % 2; 284 1.19 christos bus_space_write_region_2(sc->bt, sc->bh, offset, 285 1.19 christos (const u_int16_t *)bptr, size >> 1); 286 1.2 pk if (dribble) { 287 1.2 pk bptr += size - 1; 288 1.2 pk offset += size - 1; 289 1.2 pk bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 290 1.2 pk } 291 1.1 pk 292 1.2 pk bus_space_barrier(sc->bt, sc->bh, ooffset, osize, 293 1.2 pk BUS_SPACE_BARRIER_WRITE); 294 1.1 pk } 295 1.1 pk 296 1.1 pk static void 297 1.28 dsl ef_write_16 (struct ie_softc *sc, int offset, u_int16_t value) 298 1.1 pk { 299 1.1 pk bus_space_write_2(sc->bt, sc->bh, offset, value); 300 1.1 pk bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_WRITE); 301 1.1 pk } 302 1.1 pk 303 1.1 pk static void 304 1.28 dsl ef_write_24 (struct ie_softc *sc, int offset, int addr) 305 1.1 pk { 306 1.2 pk bus_space_write_4(sc->bt, sc->bh, offset, addr + 307 1.2 pk (u_long) sc->sc_maddr - (u_long) sc->sc_iobase); 308 1.1 pk bus_space_barrier(sc->bt, sc->bh, offset, 4, BUS_SPACE_BARRIER_WRITE); 309 1.1 pk } 310 1.1 pk 311 1.1 pk static void 312 1.27 dsl ef_mediastatus(struct ie_softc *sc, struct ifmediareq *ifmr) 313 1.1 pk { 314 1.1 pk struct ifmedia *ifm = &sc->sc_media; 315 1.1 pk 316 1.1 pk /* 317 1.2 pk * The currently selected media is always the active media. 318 1.1 pk */ 319 1.1 pk ifmr->ifm_active = ifm->ifm_cur->ifm_media; 320 1.1 pk } 321 1.1 pk 322 1.1 pk int 323 1.30 cegger ef_match(device_t parent, cfdata_t cf, void *aux) 324 1.1 pk { 325 1.2 pk struct isa_attach_args * const ia = aux; 326 1.2 pk 327 1.2 pk int idx; 328 1.2 pk struct ef_isabus *bus; 329 1.2 pk 330 1.2 pk bus_space_handle_t ioh; 331 1.2 pk bus_space_tag_t iot = ia->ia_iot; 332 1.1 pk 333 1.12 thorpej if (ISA_DIRECT_CONFIG(ia)) 334 1.12 thorpej return (0); 335 1.12 thorpej 336 1.2 pk if (ef_isa_buses_inited == 0) { 337 1.2 pk LIST_INIT(&ef_isa_buses); 338 1.2 pk ef_isa_buses_inited = 1; 339 1.2 pk } 340 1.2 pk 341 1.2 pk /* 342 1.12 thorpej * Probe this bus if we haven't done so already. 343 1.12 thorpej */ 344 1.2 pk for (bus = ef_isa_buses.lh_first; bus != NULL; 345 1.2 pk bus = bus->isa_link.le_next) { 346 1.2 pk if (bus->isa_bus == parent) 347 1.2 pk break; 348 1.2 pk } 349 1.1 pk 350 1.2 pk if (bus == NULL) { 351 1.2 pk bus_addr_t iobase; 352 1.1 pk 353 1.2 pk /* 354 1.2 pk * Mark this bus so we don't probe it again. 355 1.2 pk */ 356 1.2 pk bus = (struct ef_isabus *) 357 1.2 pk malloc(sizeof(struct ef_isabus), M_DEVBUF, M_NOWAIT); 358 1.2 pk if (bus == NULL) 359 1.2 pk panic("ef_isa_probe: can't allocate state storage for %s", 360 1.25 cegger device_xname(parent)); 361 1.2 pk 362 1.2 pk bus->bus_state = 0; /* nothing done yet */ 363 1.2 pk bus->isa_bus = parent; 364 1.1 pk 365 1.2 pk LIST_INSERT_HEAD(&ef_isa_buses, bus, isa_link); 366 1.1 pk 367 1.2 pk if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh)) { 368 1.2 pk DPRINTF(("3c507 probe: can't map Etherlink ID port\n")); 369 1.2 pk return 0; 370 1.2 pk } 371 1.1 pk 372 1.2 pk /* 373 1.2 pk * Reset and put card in CONFIG state without 374 1.2 pk * changing address. 375 1.2 pk */ 376 1.21 thorpej elink_reset(iot, ioh, device_unit(parent)); 377 1.2 pk elink_idseq(iot, ioh, ELINK_507_POLY); 378 1.2 pk elink_idseq(iot, ioh, ELINK_507_POLY); 379 1.2 pk bus_space_write_1(iot, ioh, 0, 0xff); 380 1.2 pk 381 1.2 pk /* Unmap the ID port */ 382 1.2 pk bus_space_unmap(iot, ioh, 1); 383 1.2 pk 384 1.2 pk bus->bus_state++; /* cards now in CONFIG state */ 385 1.2 pk 386 1.2 pk for (iobase = EF_IOBASE_LOW; iobase <= EF_IOBASE_HIGH; 387 1.2 pk iobase += EF_IOSIZE) { 388 1.2 pk /* 389 1.2 pk * Map the 507's port-space for the probe sequence. 390 1.2 pk */ 391 1.2 pk if (bus_space_map(iot, iobase, EF_IOSIZE, 392 1.2 pk 0, &ioh) != 0) 393 1.2 pk continue; 394 1.2 pk 395 1.2 pk /* Now look for the 3Com magic bytes */ 396 1.2 pk 397 1.2 pk if (ef_port_check(iot, ioh)) { 398 1.2 pk int irq; 399 1.2 pk u_int8_t v; 400 1.2 pk bus_addr_t maddr; 401 1.19 christos bus_addr_t msiz1; 402 1.2 pk bus_space_handle_t memh; 403 1.2 pk 404 1.2 pk irq = bus_space_read_1(iot, ioh, EF_IRQ) & 405 1.2 pk EF_IRQ_MASK; 406 1.2 pk 407 1.2 pk v = bus_space_read_1(iot, ioh, EF_MADDR); 408 1.2 pk maddr = EF_MADDR_BASE + 409 1.2 pk ((v & EF_MADDR_MASK) << EF_MADDR_SHIFT); 410 1.19 christos msiz1 = ((v & EF_MSIZE_MASK) + 1) * 411 1.2 pk EF_MSIZE_STEP; 412 1.2 pk 413 1.2 pk if (bus_space_map(ia->ia_memt, maddr, 414 1.19 christos msiz1, 0, &memh) == 0) { 415 1.2 pk ef_card_add(bus, iobase, maddr, 416 1.19 christos msiz1, irq); 417 1.2 pk bus_space_unmap(ia->ia_memt, 418 1.19 christos memh, msiz1); 419 1.2 pk } 420 1.2 pk } 421 1.2 pk bus_space_unmap(iot, ioh, EF_IOSIZE); 422 1.2 pk } 423 1.1 pk } 424 1.1 pk 425 1.12 thorpej if (ia->ia_nio < 1) 426 1.12 thorpej return (0); 427 1.12 thorpej if (ia->ia_niomem < 1) 428 1.12 thorpej return (0); 429 1.12 thorpej if (ia->ia_nirq < 1) 430 1.12 thorpej return (0); 431 1.12 thorpej 432 1.2 pk for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 433 1.2 pk if (bus->isa_cards[idx].available != 1) 434 1.2 pk continue; 435 1.2 pk 436 1.17 drochner if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT && 437 1.12 thorpej ia->ia_io[0].ir_addr != bus->isa_cards[idx].iobase) 438 1.2 pk continue; 439 1.2 pk 440 1.17 drochner if (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM && 441 1.12 thorpej ia->ia_iomem[0].ir_addr != bus->isa_cards[idx].maddr) 442 1.2 pk continue; 443 1.2 pk 444 1.17 drochner if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ && 445 1.12 thorpej ia->ia_irq[0].ir_irq != bus->isa_cards[idx].irq) 446 1.2 pk continue; 447 1.2 pk 448 1.2 pk break; 449 1.2 pk } 450 1.1 pk 451 1.2 pk if (idx == MAXCARDS_PER_ISABUS) 452 1.2 pk return (0); 453 1.1 pk 454 1.2 pk bus->isa_cards[idx].available++; 455 1.12 thorpej 456 1.12 thorpej ia->ia_nio = 1; 457 1.12 thorpej ia->ia_io[0].ir_addr = bus->isa_cards[idx].iobase; 458 1.12 thorpej ia->ia_io[0].ir_size = EF_IOSIZE; 459 1.12 thorpej 460 1.12 thorpej ia->ia_niomem = 1; 461 1.12 thorpej ia->ia_iomem[0].ir_addr = bus->isa_cards[idx].maddr; 462 1.12 thorpej ia->ia_iomem[0].ir_size = bus->isa_cards[idx].msize; 463 1.12 thorpej 464 1.12 thorpej ia->ia_nirq = 1; 465 1.12 thorpej ia->ia_irq[0].ir_irq = bus->isa_cards[idx].irq; 466 1.12 thorpej 467 1.12 thorpej ia->ia_ndrq = 0; 468 1.12 thorpej 469 1.2 pk return (1); 470 1.1 pk } 471 1.1 pk 472 1.1 pk void 473 1.30 cegger ef_attach(device_t parent, device_t self, void *aux) 474 1.1 pk { 475 1.2 pk struct ef_softc *esc = (void *)self; 476 1.2 pk struct ie_softc *sc = &esc->sc_ie; 477 1.2 pk struct isa_attach_args *ia = aux; 478 1.2 pk bus_space_tag_t iot = ia->ia_iot; 479 1.2 pk 480 1.2 pk int i; 481 1.19 christos char vers[20]; 482 1.2 pk struct ef_isabus *bus; 483 1.2 pk u_int8_t partno[EF_TYPE_LEN]; 484 1.2 pk bus_space_handle_t ioh, memh; 485 1.2 pk u_int8_t ethaddr[ETHER_ADDR_LEN]; 486 1.2 pk 487 1.2 pk sc->hwinit = ef_hwinit; 488 1.2 pk sc->hwreset = ef_reset; 489 1.2 pk sc->chan_attn = ef_atten; 490 1.2 pk sc->intrhook = ef_intrhook; 491 1.8 bjh21 492 1.8 bjh21 sc->ie_bus_barrier = NULL; 493 1.2 pk 494 1.2 pk sc->memcopyin = ef_copyin; 495 1.2 pk sc->memcopyout = ef_copyout; 496 1.2 pk sc->ie_bus_read16 = ef_read_16; 497 1.2 pk sc->ie_bus_write16 = ef_write_16; 498 1.2 pk sc->ie_bus_write24 = ef_write_24; 499 1.2 pk 500 1.2 pk sc->sc_msize = 0; 501 1.2 pk 502 1.2 pk /* 503 1.2 pk * NOP chains don't give any advantage on this card, in fact they 504 1.2 pk * seem to slow it down some. As the doctor says, "if it hurts, 505 1.2 pk * don't do it". 506 1.2 pk */ 507 1.2 pk sc->do_xmitnopchain = 0; 508 1.1 pk 509 1.2 pk sc->sc_mediachange = NULL; 510 1.2 pk sc->sc_mediastatus = ef_mediastatus; 511 1.1 pk 512 1.2 pk /* Find the cards parent bus */ 513 1.2 pk for (bus = ef_isa_buses.lh_first; bus != NULL; 514 1.2 pk bus = bus->isa_link.le_next) { 515 1.1 pk 516 1.2 pk if (bus->isa_bus == parent) 517 1.2 pk break; 518 1.1 pk } 519 1.1 pk 520 1.2 pk if (bus == NULL) 521 1.25 cegger panic("%s: Can't find parent bus!", device_xname(&sc->sc_dev)); 522 1.2 pk 523 1.2 pk 524 1.2 pk /* If the bus hasn't been transitioned to the RUN state, do so now */ 525 1.2 pk if (bus->bus_state == 1) { 526 1.2 pk if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh) != 0) { 527 1.2 pk DPRINTF(("\n%s: Can't map Elink ID port!\n", 528 1.25 cegger device_xname(&sc->sc_dev))); 529 1.2 pk return; 530 1.2 pk } 531 1.2 pk 532 1.2 pk bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 533 1.2 pk elink_idseq(ia->ia_iot, ioh, ELINK_507_POLY); 534 1.2 pk bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 535 1.2 pk bus_space_unmap(ia->ia_iot, ioh, 1); 536 1.1 pk 537 1.2 pk bus->bus_state++; 538 1.2 pk } 539 1.2 pk 540 1.2 pk /* Map i/o space. */ 541 1.12 thorpej if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 542 1.12 thorpej ia->ia_io[0].ir_size, 0, &ioh) != 0) { 543 1.2 pk 544 1.2 pk DPRINTF(("\n%s: can't map i/o space 0x%x-0x%x\n", 545 1.25 cegger device_xname(&sc->sc_dev), ia->ia_io[0].ir_addr, 546 1.12 thorpej ia->ia_io[0].ir_addr + ia->ia_io[0].ir_size - 1)); 547 1.2 pk return; 548 1.2 pk } 549 1.1 pk 550 1.2 pk esc->sc_regt = ia->ia_iot; 551 1.2 pk esc->sc_regh = ioh; 552 1.1 pk 553 1.12 thorpej if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, 554 1.12 thorpej ia->ia_iomem[0].ir_size, 0, &memh) != 0) { 555 1.1 pk 556 1.2 pk DPRINTF(("\n%s: can't map iomem space 0x%x-0x%x\n", 557 1.25 cegger device_xname(&sc->sc_dev), ia->ia_maddr, 558 1.2 pk ia->ia_maddr + ia->ia_msize - 1)); 559 1.12 thorpej bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 560 1.2 pk return; 561 1.2 pk } 562 1.1 pk 563 1.2 pk sc->bt = ia->ia_memt; 564 1.2 pk sc->bh = memh; 565 1.1 pk 566 1.12 thorpej sc->sc_msize = ia->ia_iomem[0].ir_size; 567 1.6 augustss sc->sc_maddr = (void *)memh; 568 1.6 augustss sc->sc_iobase = (char *)sc->sc_maddr + sc->sc_msize - (1 << 24); 569 1.2 pk 570 1.2 pk /* set up pointers to important on-card control structures */ 571 1.2 pk sc->iscp = 0; 572 1.2 pk sc->scb = IE_ISCP_SZ; 573 1.2 pk sc->scp = sc->sc_msize + IE_SCP_ADDR - (1 << 24); 574 1.2 pk 575 1.2 pk sc->buf_area = sc->scb + IE_SCB_SZ; 576 1.2 pk sc->buf_area_sz = sc->sc_msize - IE_ISCP_SZ - IE_SCB_SZ - IE_SCP_SZ; 577 1.2 pk 578 1.2 pk /* zero card memory */ 579 1.2 pk bus_space_set_region_1(sc->bt, sc->bh, 0, 0, sc->sc_msize); 580 1.2 pk 581 1.2 pk /* set card to 16-bit bus mode */ 582 1.11 fredette bus_space_write_1(sc->bt, sc->bh, IE_SCP_BUS_USE((u_long)sc->scp), 583 1.11 fredette IE_SYSBUS_16BIT); 584 1.2 pk 585 1.2 pk /* set up pointers to key structures */ 586 1.2 pk ef_write_24(sc, IE_SCP_ISCP((u_long)sc->scp), (u_long) sc->iscp); 587 1.2 pk ef_write_16(sc, IE_ISCP_SCB((u_long)sc->iscp), (u_long) sc->scb); 588 1.2 pk ef_write_24(sc, IE_ISCP_BASE((u_long)sc->iscp), (u_long) sc->iscp); 589 1.2 pk 590 1.2 pk /* flush setup of pointers, check if chip answers */ 591 1.2 pk bus_space_barrier(sc->bt, sc->bh, 0, sc->sc_msize, 592 1.2 pk BUS_SPACE_BARRIER_WRITE); 593 1.2 pk if (!i82586_proberam(sc)) { 594 1.2 pk DPRINTF(("\n%s: can't talk to i82586!\n", 595 1.25 cegger device_xname(&sc->sc_dev))); 596 1.12 thorpej bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 597 1.12 thorpej bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size); 598 1.2 pk return; 599 1.2 pk } 600 1.1 pk 601 1.2 pk /* set bank 2 for card part number and revision */ 602 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 603 1.2 pk EF_CTRL_NRST | EF_CTRL_BNK2); 604 1.2 pk 605 1.2 pk /* card revision is encoded in BCD */ 606 1.2 pk i = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_REV); 607 1.2 pk esc->card_rev = 10 * (i / 16) + (i % 16); 608 1.2 pk 609 1.2 pk for (i = 0; i < EF_TYPE_LEN; i++) 610 1.2 pk partno[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 611 1.2 pk EF_TYPE + i); 612 1.2 pk 613 1.2 pk /* use part number to guess if card is TP or AUI/BNC model */ 614 1.2 pk esc->card_type = EF_IS_TP(partno) ? EF_CARD_TP : EF_CARD_BNC; 615 1.2 pk 616 1.2 pk /* set bank 0 for ethernet address */ 617 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, 618 1.2 pk EF_CTRL, EF_CTRL_NORMAL); 619 1.2 pk 620 1.2 pk for (i = 0; i < EF_ADDR_LEN; i++) 621 1.2 pk ethaddr[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 622 1.2 pk EF_ADDR + i); 623 1.2 pk 624 1.19 christos snprintf(vers, sizeof(vers), "%s, rev. %d", 625 1.2 pk (esc->card_type == EF_CARD_TP) ? "3C507-TP" : "3C507", 626 1.2 pk esc->card_rev); 627 1.2 pk 628 1.2 pk if (esc->card_type == EF_CARD_TP) 629 1.19 christos i82586_attach(sc, vers, ethaddr, eftp_media, NEFTP_MEDIA, 630 1.2 pk eftp_media[0]); 631 1.2 pk else { 632 1.2 pk u_int8_t media = bus_space_read_1(esc->sc_regt, esc->sc_regh, 633 1.2 pk EF_MEDIA); 634 1.2 pk media = (media & EF_MEDIA_MASK) >> EF_MEDIA_SHIFT; 635 1.1 pk 636 1.19 christos i82586_attach(sc, vers, ethaddr, ef_media, NEF_MEDIA, 637 1.2 pk ef_media[media]); 638 1.2 pk } 639 1.1 pk 640 1.2 pk /* Clear the interrupt latch just in case. */ 641 1.2 pk bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 642 1.1 pk 643 1.12 thorpej esc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 644 1.12 thorpej IST_EDGE, IPL_NET, i82586_intr, sc); 645 1.2 pk if (esc->sc_ih == NULL) { 646 1.2 pk DPRINTF(("\n%s: can't establish interrupt\n", 647 1.25 cegger device_xname(&sc->sc_dev))); 648 1.2 pk } 649 1.1 pk } 650 1.1 pk 651 1.2 pk static int 652 1.27 dsl ef_port_check(bus_space_tag_t iot, bus_space_handle_t ioh) 653 1.1 pk { 654 1.1 pk int i; 655 1.1 pk u_char ch; 656 1.19 christos const u_char* signature = EF_SIGNATURE; 657 1.1 pk 658 1.1 pk for (i = 0; i < strlen(signature); i++) { 659 1.1 pk ch = bus_space_read_1(iot, ioh, i); 660 1.1 pk if (ch != signature[i]) 661 1.1 pk return 0; 662 1.1 pk } 663 1.2 pk 664 1.1 pk /* If card is mapped in high memory (above 15Meg), we can't use it */ 665 1.1 pk ch = bus_space_read_1(iot, ioh, EF_MADDR); 666 1.1 pk if (ch & EF_MADDR_HIGH) 667 1.1 pk return 0; /* XXX: maybe we should panic?? */ 668 1.1 pk 669 1.1 pk return 1; 670 1.1 pk } 671 1.1 pk 672 1.14 thorpej CFATTACH_DECL(ef, sizeof(struct ef_softc), 673 1.15 thorpej ef_match, ef_attach, NULL, NULL); 674 1.1 pk 675
Indexes created Thu Sep 25 16:09:42 GMT 2025