if_ae_nubus.c revision 1.22
1 /* $NetBSD: if_ae_nubus.c,v 1.22 1997/10/15 16:58:21 thorpej Exp $ */ 2 3 /* 4 * Copyright (C) 1997 Scott Reynolds 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* 30 * Some parts are derived from code adapted for MacBSD by Brad Parker 31 * <brad (at) fcr.com>. 32 * 33 * Currently supports: 34 * Apple NB Ethernet Card 35 * Apple NB Ethernet Card II 36 * Interlan A310 NuBus Ethernet card 37 * Cayman Systems GatorCard 38 * Asante MacCon II/E 39 * Kinetics EtherPort SE/30 40 */ 41 42 #include <sys/param.h> 43 #include <sys/device.h> 44 #include <sys/errno.h> 45 #include <sys/ioctl.h> 46 #include <sys/malloc.h> 47 #include <sys/socket.h> 48 #include <sys/syslog.h> 49 #include <sys/systm.h> 50 51 #include <net/if.h> 52 #include <net/if_ether.h> 53 54 #include <machine/bus.h> 55 #include <machine/viareg.h> 56 57 #include <dev/ic/dp8390reg.h> 58 #include <dev/ic/dp8390var.h> 59 #include <mac68k/dev/nubus.h> 60 #include <mac68k/dev/if_aevar.h> 61 #include <mac68k/dev/if_aereg.h> 62 63 static int ae_nubus_match __P((struct device *, struct cfdata *, void *)); 64 static void ae_nubus_attach __P((struct device *, struct device *, void *)); 65 static int ae_nb_card_vendor __P((bus_space_tag_t, bus_space_handle_t, 66 struct nubus_attach_args *)); 67 static int ae_nb_get_enaddr __P((bus_space_tag_t, bus_space_handle_t, 68 struct nubus_attach_args *, u_int8_t *)); 69 #ifdef DEBUG 70 static void ae_nb_watchdog __P((struct ifnet *)); 71 #endif 72 73 void ae_nubus_intr __P((void *, int)); 74 75 struct cfattach ae_nubus_ca = { 76 sizeof(struct dp8390_softc), ae_nubus_match, ae_nubus_attach 77 }; 78 79 static int 80 ae_nubus_match(parent, cf, aux) 81 struct device *parent; 82 struct cfdata *cf; 83 void *aux; 84 { 85 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 86 bus_space_handle_t bsh; 87 int rv; 88 89 if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 90 0, &bsh)) 91 return (0); 92 93 rv = 0; 94 95 if (na->category == NUBUS_CATEGORY_NETWORK && 96 na->type == NUBUS_TYPE_ETHERNET) { 97 switch (ae_nb_card_vendor(na->na_tag, bsh, na)) { 98 case DP8390_VENDOR_APPLE: 99 case DP8390_VENDOR_ASANTE: 100 case DP8390_VENDOR_FARALLON: 101 case DP8390_VENDOR_INTERLAN: 102 case DP8390_VENDOR_KINETICS: 103 rv = 1; 104 break; 105 case DP8390_VENDOR_DAYNA: 106 case DP8390_VENDOR_FOCUS: 107 rv = UNSUPP; 108 break; 109 default: 110 break; 111 } 112 } 113 114 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); 115 116 return rv; 117 } 118 119 /* 120 * Install interface into kernel networking data structures 121 */ 122 static void 123 ae_nubus_attach(parent, self, aux) 124 struct device *parent, *self; 125 void *aux; 126 { 127 struct dp8390_softc *sc = (struct dp8390_softc *)self; 128 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 129 #ifdef DEBUG 130 struct ifnet *ifp = &sc->sc_ec.ec_if; 131 #endif 132 bus_space_tag_t bst; 133 bus_space_handle_t bsh; 134 int i, success; 135 char *cardtype; 136 137 bst = na->na_tag; 138 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 139 0, &bsh)) { 140 printf(": can't map memory space\n"); 141 return; 142 } 143 144 sc->sc_regt = sc->sc_buft = bst; 145 sc->sc_flags = self->dv_cfdata->cf_flags; 146 147 sc->vendor = ae_nb_card_vendor(bst, bsh, na); 148 cardtype = nubus_get_card_name(bst, bsh, na->fmt); 149 150 sc->is790 = 0; 151 152 sc->mem_start = 0; 153 sc->mem_size = 0; 154 155 success = 0; 156 157 switch (sc->vendor) { 158 case DP8390_VENDOR_APPLE: /* Apple-compatible cards */ 159 case DP8390_VENDOR_ASANTE: 160 /* Map register offsets */ 161 for (i = 0; i < 16; i++) /* reverse order, longword aligned */ 162 sc->sc_reg_map[i] = (15 - i) << 2; 163 164 sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS); 165 if (bus_space_subregion(bst, bsh, 166 AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { 167 printf(": failed to map register space\n"); 168 break; 169 } 170 if ((sc->mem_size = ae_size_card_memory(bst, bsh, 171 AE_DATA_OFFSET)) == 0) { 172 printf(": failed to determine size of RAM.\n"); 173 break; 174 } 175 if (bus_space_subregion(bst, bsh, 176 AE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { 177 printf(": failed to map register space\n"); 178 break; 179 } 180 #ifdef AE_OLD_GET_ENADDR 181 /* Get station address from on-board ROM */ 182 for (i = 0; i < ETHER_ADDR_LEN; ++i) 183 sc->sc_enaddr[i] = 184 bus_space_read_1(bst, bsh, (AE_ROM_OFFSET + i * 2)); 185 #else 186 if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) { 187 printf(": can't find MAC address\n"); 188 break; 189 } 190 #endif 191 192 success = 1; 193 break; 194 195 case DP8390_VENDOR_DAYNA: 196 /* Map register offsets */ 197 for (i = 0; i < 16; i++) /* normal order, longword aligned */ 198 sc->sc_reg_map[i] = i << 2; 199 200 sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS); 201 if (bus_space_subregion(bst, bsh, 202 DP_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { 203 printf(": failed to map register space\n"); 204 break; 205 } 206 sc->mem_size = 8192; 207 if (bus_space_subregion(bst, bsh, 208 DP_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { 209 printf(": failed to map register space\n"); 210 break; 211 } 212 #ifdef AE_OLD_GET_ENADDR 213 /* Get station address from on-board ROM */ 214 for (i = 0; i < ETHER_ADDR_LEN; ++i) 215 sc->sc_enaddr[i] = 216 bus_space_read_1(bst, bsh, (DP_ROM_OFFSET + i * 2)); 217 #else 218 if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) { 219 printf(": can't find MAC address\n"); 220 break; 221 } 222 #endif 223 224 printf(": unsupported Dayna hardware\n"); 225 break; 226 227 case DP8390_VENDOR_FARALLON: 228 /* Map register offsets */ 229 for (i = 0; i < 16; i++) /* reverse order, longword aligned */ 230 sc->sc_reg_map[i] = (15 - i) << 2; 231 232 sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS); 233 if (bus_space_subregion(bst, bsh, 234 AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { 235 printf(": failed to map register space\n"); 236 break; 237 } 238 if ((sc->mem_size = ae_size_card_memory(bst, bsh, 239 AE_DATA_OFFSET)) == 0) { 240 printf(": failed to determine size of RAM.\n"); 241 break; 242 } 243 if (bus_space_subregion(bst, bsh, 244 AE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { 245 printf(": failed to map register space\n"); 246 break; 247 } 248 #ifdef AE_OLD_GET_ENADDR 249 /* Get station address from on-board ROM */ 250 for (i = 0; i < ETHER_ADDR_LEN; ++i) 251 sc->sc_enaddr[i] = 252 bus_space_read_1(bst, bsh, (FE_ROM_OFFSET + i)); 253 #else 254 if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) { 255 printf(": can't find MAC address\n"); 256 break; 257 } 258 #endif 259 260 success = 1; 261 break; 262 263 case DP8390_VENDOR_FOCUS: 264 printf(": unsupported Focus hardware\n"); 265 break; 266 267 case DP8390_VENDOR_INTERLAN: 268 /* Map register offsets */ 269 for (i = 0; i < 16; i++) /* normal order, longword aligned */ 270 sc->sc_reg_map[i] = i << 2; 271 272 sc->dcr_reg = (ED_DCR_FT1 | ED_DCR_WTS | ED_DCR_LS); 273 if (bus_space_subregion(bst, bsh, 274 GC_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { 275 printf(": failed to map register space\n"); 276 break; 277 } 278 if ((sc->mem_size = ae_size_card_memory(bst, bsh, 279 GC_DATA_OFFSET)) == 0) { 280 printf(": failed to determine size of RAM.\n"); 281 break; 282 } 283 if (bus_space_subregion(bst, bsh, 284 GC_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { 285 printf(": failed to map register space\n"); 286 break; 287 } 288 289 /* reset the NIC chip */ 290 bus_space_write_1(bst, bsh, GC_RESET_OFFSET, 0); 291 292 if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) { 293 /* Fall back to snarf directly from ROM. Ick. */ 294 for (i = 0; i < ETHER_ADDR_LEN; ++i) 295 sc->sc_enaddr[i] = 296 bus_space_read_1(bst, bsh, 297 (GC_ROM_OFFSET + i * 4)); 298 } 299 300 success = 1; 301 break; 302 303 case DP8390_VENDOR_KINETICS: 304 /* Map register offsets */ 305 for (i = 0; i < 16; i++) /* normal order, longword aligned */ 306 sc->sc_reg_map[i] = i << 2; 307 308 if (bus_space_subregion(bst, bsh, 309 KE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { 310 printf(": failed to map register space\n"); 311 break; 312 } 313 if ((sc->mem_size = ae_size_card_memory(bst, bsh, 314 KE_DATA_OFFSET)) == 0) { 315 printf(": failed to determine size of RAM.\n"); 316 break; 317 } 318 if (bus_space_subregion(bst, bsh, 319 KE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { 320 printf(": failed to map register space\n"); 321 break; 322 } 323 if (ae_nb_get_enaddr(bst, bsh, na, sc->sc_enaddr)) { 324 printf(": can't find MAC address\n"); 325 break; 326 } 327 328 success = 1; 329 break; 330 331 default: 332 break; 333 } 334 335 if (!success) { 336 bus_space_unmap(bst, bsh, NBMEMSIZE); 337 return; 338 } 339 340 /* 341 * Override test_mem and write_mbuf functions; other defaults 342 * already work properly. 343 */ 344 sc->test_mem = ae_test_mem; 345 sc->write_mbuf = ae_write_mbuf; 346 #ifdef DEBUG 347 ifp->if_watchdog = ae_nb_watchdog; /* Override watchdog */ 348 #endif 349 350 /* Interface is always enabled. */ 351 sc->sc_enabled = 1; 352 353 printf(": %s, %dKB memory\n", cardname, sc->mem_size / 1024); 354 355 if (dp8390_config(sc)) { 356 bus_space_unmap(bst, bsh, NBMEMSIZE); 357 return; 358 } 359 360 /* make sure interrupts are vectored to us */ 361 add_nubus_intr(na->slot, ae_nubus_intr, sc); 362 } 363 364 /* ARGSUSED */ 365 void 366 ae_nubus_intr(arg, slot) 367 void *arg; 368 int slot; 369 { 370 371 (void) dp8390_intr(sc); 372 } 373 374 static int 375 ae_nb_card_vendor(bst, bsh, na) 376 bus_space_tag_t bst; 377 bus_space_handle_t bsh; 378 struct nubus_attach_args *na; 379 { 380 int vendor; 381 382 switch (na->drsw) { 383 case NUBUS_DRSW_3COM: 384 switch (na->drhw) { 385 case NUBUS_DRHW_APPLE_SN: 386 case NUBUS_DRHW_APPLE_SNT: 387 vendor = DP8390_VENDOR_UNKNOWN; 388 break; 389 default: 390 vendor = DP8390_VENDOR_APPLE; 391 break; 392 } 393 break; 394 case NUBUS_DRSW_APPLE: 395 case NUBUS_DRSW_DAYNA2: 396 case NUBUS_DRSW_TECHWORKS: 397 vendor = DP8390_VENDOR_APPLE; 398 break; 399 case NUBUS_DRSW_ASANTE: 400 vendor = DP8390_VENDOR_ASANTE; 401 break; 402 case NUBUS_DRSW_FARALLON: 403 vendor = DP8390_VENDOR_FARALLON; 404 break; 405 case NUBUS_DRSW_FOCUS: 406 vendor = DP8390_VENDOR_FOCUS; 407 break; 408 case NUBUS_DRSW_GATOR: 409 switch (na->drhw) { 410 default: 411 case NUBUS_DRHW_INTERLAN: 412 vendor = DP8390_VENDOR_INTERLAN; 413 break; 414 case NUBUS_DRHW_KINETICS: 415 if (strncmp(nubus_get_card_name(bst, bsh, na->fmt), 416 "EtherPort", 9) == 0) 417 vendor = DP8390_VENDOR_KINETICS; 418 else 419 vendor = DP8390_VENDOR_DAYNA; 420 break; 421 } 422 break; 423 default: 424 vendor = DP8390_VENDOR_UNKNOWN; 425 } 426 return vendor; 427 } 428 429 static int 430 ae_nb_get_enaddr(bst, bsh, na, ep) 431 bus_space_tag_t bst; 432 bus_space_handle_t bsh; 433 struct nubus_attach_args *na; 434 u_int8_t *ep; 435 { 436 nubus_dir dir; 437 nubus_dirent dirent; 438 439 /* 440 * XXX - note hardwired resource IDs here (0x80); these are 441 * assumed to be used by all cards, but should be fixed when 442 * we find out more about Ethernet card resources. 443 */ 444 nubus_get_main_dir(na->fmt, &dir); 445 if (nubus_find_rsrc(bst, bsh, na->fmt, &dir, 0x80, &dirent) <= 0) 446 return 1; 447 nubus_get_dir_from_rsrc(na->fmt, &dirent, &dir); 448 if (nubus_find_rsrc(bst, bsh, na->fmt, &dir, 0x80, &dirent) <= 0) 449 return 1; 450 if (nubus_get_ind_data(bst, bsh, 451 na->fmt, &dirent, ep, ETHER_ADDR_LEN) <= 0) 452 return 1; 453 454 return 0; 455 } 456 457 #ifdef DEBUG 458 static void 459 ae_nb_watchdog(ifp) 460 struct ifnet *ifp; 461 { 462 struct dp8390_softc *sc = ifp->if_softc; 463 464 /* 465 * This is a kludge! The via code seems to miss slot interrupts 466 * sometimes. This kludges around that by calling the handler 467 * by hand if the watchdog is activated. -- XXX (akb) 468 */ 469 (*via2itab[1])((void *) 1); 470 471 log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname); 472 ++ifp->if_oerrors; 473 474 dp8390_reset(sc); 475 } 476 #endif 477
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