1 /* $NetBSD: vrpciu.c,v 1.13 2003/06/15 23:09:00 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Enami Tsugutomo. 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/device.h> 32 33 #include <machine/bus.h> 34 #include <machine/bus_space_hpcmips.h> 35 #include <machine/bus_dma_hpcmips.h> 36 #include <machine/config_hook.h> 37 #include <machine/platid.h> 38 #include <machine/platid_mask.h> 39 40 #include <dev/pci/pcivar.h> 41 #include <dev/pci/pcidevs.h> 42 #include <dev/pci/pciidereg.h> 43 44 #include <hpcmips/vr/icureg.h> 45 #include <hpcmips/vr/vripif.h> 46 #include <hpcmips/vr/vrpciureg.h> 47 48 #include "pci.h" 49 50 #ifdef DEBUG 51 #define DPRINTF(args) printf args 52 #else 53 #define DPRINTF(args) 54 #endif 55 56 struct vrpciu_softc { 57 struct device sc_dev; 58 59 vrip_chipset_tag_t sc_vc; 60 bus_space_tag_t sc_iot; 61 bus_space_handle_t sc_ioh; 62 void *sc_ih; 63 64 struct vrc4173bcu_softc *sc_bcu; /* vrc4173bcu */ 65 66 struct hpcmips_pci_chipset sc_pc; 67 }; 68 69 static void vrpciu_write(struct vrpciu_softc *, int, u_int32_t); 70 static u_int32_t 71 vrpciu_read(struct vrpciu_softc *, int); 72 #ifdef DEBUG 73 static void vrpciu_write_2(struct vrpciu_softc *, int, u_int16_t) 74 __attribute__((unused)); 75 static u_int16_t 76 vrpciu_read_2(struct vrpciu_softc *, int); 77 #endif 78 static int vrpciu_match(struct device *, struct cfdata *, void *); 79 static void vrpciu_attach(struct device *, struct device *, void *); 80 #if NPCI > 0 81 static int vrpciu_print(void *, const char *); 82 #endif 83 static int vrpciu_intr(void *); 84 static void vrpciu_attach_hook(struct device *, struct device *, 85 struct pcibus_attach_args *); 86 static int vrpciu_bus_maxdevs(pci_chipset_tag_t, int); 87 static int vrpciu_bus_devorder(pci_chipset_tag_t, int, char *); 88 static pcitag_t vrpciu_make_tag(pci_chipset_tag_t, int, int, int); 89 static void vrpciu_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *, 90 int *); 91 static pcireg_t vrpciu_conf_read(pci_chipset_tag_t, pcitag_t, int); 92 static void vrpciu_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 93 static int vrpciu_intr_map(struct pci_attach_args *, pci_intr_handle_t *); 94 static const char *vrpciu_intr_string(pci_chipset_tag_t, pci_intr_handle_t); 95 static const struct evcnt *vrpciu_intr_evcnt(pci_chipset_tag_t, 96 pci_intr_handle_t); 97 static void *vrpciu_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, 98 int, int (*)(void *), void *); 99 static void vrpciu_intr_disestablish(pci_chipset_tag_t, void *); 100 101 CFATTACH_DECL(vrpciu, sizeof(struct vrpciu_softc), 102 vrpciu_match, vrpciu_attach, NULL, NULL); 103 104 static void 105 vrpciu_write(struct vrpciu_softc *sc, int offset, u_int32_t val) 106 { 107 108 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val); 109 } 110 111 static u_int32_t 112 vrpciu_read(struct vrpciu_softc *sc, int offset) 113 { 114 115 return (bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset)); 116 } 117 118 #ifdef DEBUG 119 static void 120 vrpciu_write_2(struct vrpciu_softc *sc, int offset, u_int16_t val) 121 { 122 123 bus_space_write_2(sc->sc_iot, sc->sc_ioh, offset, val); 124 } 125 126 static u_int16_t 127 vrpciu_read_2(struct vrpciu_softc *sc, int offset) 128 { 129 130 return (bus_space_read_2(sc->sc_iot, sc->sc_ioh, offset)); 131 } 132 #endif 133 134 static int 135 vrpciu_match(struct device *parent, struct cfdata *match, void *aux) 136 { 137 138 return (1); 139 } 140 141 static void 142 vrpciu_attach(struct device *parent, struct device *self, void *aux) 143 { 144 struct vrpciu_softc *sc = (struct vrpciu_softc *)self; 145 pci_chipset_tag_t pc = &sc->sc_pc; 146 struct vrip_attach_args *va = aux; 147 #if defined(DEBUG) || NPCI > 0 148 u_int32_t reg; 149 #endif 150 #if NPCI > 0 151 struct bus_space_tag_hpcmips *iot; 152 char tmpbuf[16]; 153 struct pcibus_attach_args pba; 154 #endif 155 156 sc->sc_vc = va->va_vc; 157 sc->sc_iot = va->va_iot; 158 if (bus_space_map(sc->sc_iot, va->va_addr, va->va_size, 0, 159 &sc->sc_ioh)) { 160 printf(": couldn't map io space\n"); 161 return; 162 } 163 164 sc->sc_ih = vrip_intr_establish(va->va_vc, va->va_unit, 0, IPL_TTY, 165 vrpciu_intr, sc); 166 if (sc->sc_ih == NULL) { 167 printf(": couldn't establish interrupt\n"); 168 return; 169 } 170 171 /* Enable level 2 interrupt */ 172 vrip_intr_setmask2(va->va_vc, sc->sc_ih, PCIINT_INT0, 1); 173 174 printf("\n"); 175 176 #ifdef DEBUG 177 #define DUMP_MAW(sc, name, reg) do { \ 178 printf("%s: %s =\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 179 (name), (reg)); \ 180 printf("%s:\tIBA/MASK =\t0x%08x/0x%08x (0x%08x - 0x%08x)\n", \ 181 (sc)->sc_dev.dv_xname, \ 182 reg & VRPCIU_MAW_IBAMASK, VRPCIU_MAW_ADDRMASK(reg), \ 183 VRPCIU_MAW_ADDR(reg), \ 184 VRPCIU_MAW_ADDR(reg) + VRPCIU_MAW_SIZE(reg)); \ 185 printf("%s:\tWINEN =\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 186 reg & VRPCIU_MAW_WINEN); \ 187 printf("%s:\tPCIADR =\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 188 VRPCIU_MAW_PCIADDR(reg)); \ 189 } while (0) 190 #define DUMP_TAW(sc, name, reg) do { \ 191 printf("%s: %s =\t\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 192 (name), (reg)); \ 193 printf("%s:\tMASK =\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 194 VRPCIU_TAW_ADDRMASK(reg)); \ 195 printf("%s:\tWINEN =\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 196 reg & VRPCIU_TAW_WINEN); \ 197 printf("%s:\tIBA =\t0x%08x\n", (sc)->sc_dev.dv_xname, \ 198 VRPCIU_TAW_IBA(reg)); \ 199 } while (0) 200 reg = vrpciu_read(sc, VRPCIU_MMAW1REG); 201 DUMP_MAW(sc, "MMAW1", reg); 202 reg = vrpciu_read(sc, VRPCIU_MMAW2REG); 203 DUMP_MAW(sc, "MMAW2", reg); 204 reg = vrpciu_read(sc, VRPCIU_TAW1REG); 205 DUMP_TAW(sc, "TAW1", reg); 206 reg = vrpciu_read(sc, VRPCIU_TAW2REG); 207 DUMP_TAW(sc, "TAW2", reg); 208 reg = vrpciu_read(sc, VRPCIU_MIOAWREG); 209 DUMP_MAW(sc, "MIOAW", reg); 210 printf("%s: BUSERRAD =\t0x%08x\n", sc->sc_dev.dv_xname, 211 vrpciu_read(sc, VRPCIU_BUSERRADREG)); 212 printf("%s: INTCNTSTA =\t0x%08x\n", sc->sc_dev.dv_xname, 213 vrpciu_read(sc, VRPCIU_INTCNTSTAREG)); 214 printf("%s: EXACC =\t0x%08x\n", sc->sc_dev.dv_xname, 215 vrpciu_read(sc, VRPCIU_EXACCREG)); 216 printf("%s: RECONT =\t0x%08x\n", sc->sc_dev.dv_xname, 217 vrpciu_read(sc, VRPCIU_RECONTREG)); 218 printf("%s: PCIEN =\t0x%08x\n", sc->sc_dev.dv_xname, 219 vrpciu_read(sc, VRPCIU_ENREG)); 220 printf("%s: CLOCKSEL =\t0x%08x\n", sc->sc_dev.dv_xname, 221 vrpciu_read(sc, VRPCIU_CLKSELREG)); 222 printf("%s: TRDYV =\t0x%08x\n", sc->sc_dev.dv_xname, 223 vrpciu_read(sc, VRPCIU_TRDYVREG)); 224 printf("%s: CLKRUN =\t0x%08x\n", sc->sc_dev.dv_xname, 225 vrpciu_read_2(sc, VRPCIU_CLKRUNREG)); 226 printf("%s: IDREG =\t0x%08x\n", sc->sc_dev.dv_xname, 227 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_ID_REG)); 228 reg = vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_COMMAND_STATUS_REG); 229 printf("%s: CSR =\t\t0x%08x\n", sc->sc_dev.dv_xname, reg); 230 vrpciu_write(sc, VRPCIU_CONF_BASE + PCI_COMMAND_STATUS_REG, reg); 231 printf("%s: CSR =\t\t0x%08x\n", sc->sc_dev.dv_xname, 232 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_COMMAND_STATUS_REG)); 233 printf("%s: CLASS =\t0x%08x\n", sc->sc_dev.dv_xname, 234 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_CLASS_REG)); 235 printf("%s: BHLC =\t\t0x%08x\n", sc->sc_dev.dv_xname, 236 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_BHLC_REG)); 237 printf("%s: MAIL =\t\t0x%08x\n", sc->sc_dev.dv_xname, 238 vrpciu_read(sc, VRPCIU_CONF_BASE + VRPCIU_CONF_MAILREG)); 239 printf("%s: MBA1 =\t\t0x%08x\n", sc->sc_dev.dv_xname, 240 vrpciu_read(sc, VRPCIU_CONF_BASE + VRPCIU_CONF_MBA1REG)); 241 printf("%s: MBA2 =\t\t0x%08x\n", sc->sc_dev.dv_xname, 242 vrpciu_read(sc, VRPCIU_CONF_BASE + VRPCIU_CONF_MBA2REG)); 243 printf("%s: INTR =\t\t0x%08x\n", sc->sc_dev.dv_xname, 244 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG)); 245 #if 0 246 vrpciu_write(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG, 247 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG) | 0x01); 248 printf("%s: INTR =\t\t0x%08x\n", sc->sc_dev.dv_xname, 249 vrpciu_read(sc, VRPCIU_CONF_BASE + PCI_INTERRUPT_REG)); 250 #endif 251 #endif 252 253 pc->pc_dev = &sc->sc_dev; 254 pc->pc_attach_hook = vrpciu_attach_hook; 255 pc->pc_bus_maxdevs = vrpciu_bus_maxdevs; 256 pc->pc_bus_devorder = vrpciu_bus_devorder; 257 pc->pc_make_tag = vrpciu_make_tag; 258 pc->pc_decompose_tag = vrpciu_decompose_tag; 259 pc->pc_conf_read = vrpciu_conf_read; 260 pc->pc_conf_write = vrpciu_conf_write; 261 pc->pc_intr_map = vrpciu_intr_map; 262 pc->pc_intr_string = vrpciu_intr_string; 263 pc->pc_intr_evcnt = vrpciu_intr_evcnt; 264 pc->pc_intr_establish = vrpciu_intr_establish; 265 pc->pc_intr_disestablish = vrpciu_intr_disestablish; 266 267 #if 0 268 { 269 int i; 270 271 for (i = 0; i < 8; i++) 272 printf("%s: ID_REG(0, 0, %d) = 0x%08x\n", 273 sc->sc_dev.dv_xname, i, 274 pci_conf_read(pc, pci_make_tag(pc, 0, 0, i), 275 PCI_ID_REG)); 276 } 277 #endif 278 279 #if NPCI > 0 280 memset(&pba, 0, sizeof(pba)); 281 pba.pba_busname = "pci"; 282 283 /* For now, just inherit window mappings set by WinCE. XXX. */ 284 285 iot = hpcmips_alloc_bus_space_tag(); 286 reg = vrpciu_read(sc, VRPCIU_MIOAWREG); 287 snprintf(tmpbuf, sizeof(tmpbuf), "%s/iot", 288 sc->sc_dev.dv_xname); 289 hpcmips_init_bus_space(iot, (struct bus_space_tag_hpcmips *)sc->sc_iot, 290 tmpbuf, VRPCIU_MAW_ADDR(reg), VRPCIU_MAW_SIZE(reg)); 291 pba.pba_iot = &iot->bst; 292 293 /* 294 * Just use system bus space tag. It works since WinCE maps 295 * PCI bus space at same offset. But this isn't right thing 296 * of course. XXX. 297 */ 298 pba.pba_memt = sc->sc_iot; 299 pba.pba_dmat = &hpcmips_default_bus_dma_tag.bdt; 300 pba.pba_dmat64 = NULL; 301 pba.pba_bus = 0; 302 pba.pba_bridgetag = NULL; 303 304 if (platid_match(&platid, &platid_mask_MACH_LASER5_L_BOARD)) { 305 /* 306 * fix PCI device configration for L-Router. 307 */ 308 /* change IDE controller to native mode */ 309 reg = pci_conf_read(pc, pci_make_tag(pc, 0, 16, 0), 310 PCI_CLASS_REG); 311 reg |= PCIIDE_INTERFACE_PCI(0) << PCI_INTERFACE_SHIFT; 312 reg |= PCIIDE_INTERFACE_PCI(1) << PCI_INTERFACE_SHIFT; 313 pci_conf_write(pc, pci_make_tag(pc, 0, 16, 0), PCI_CLASS_REG, 314 reg); 315 /* fix broken BAR setting of fxp0, fxp1 */ 316 pci_conf_write(pc, pci_make_tag(pc, 0, 0, 0), PCI_MAPREG_START, 317 0x11100000); 318 pci_conf_write(pc, pci_make_tag(pc, 0, 1, 0), PCI_MAPREG_START, 319 0x11200000); 320 } 321 322 pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED | 323 PCI_FLAGS_MRL_OKAY; 324 pba.pba_pc = pc; 325 326 config_found(self, &pba, vrpciu_print); 327 #endif 328 } 329 330 #if NPCI > 0 331 static int 332 vrpciu_print(void *aux, const char *pnp) 333 { 334 struct pcibus_attach_args *pba = aux; 335 336 if (pnp != NULL) 337 aprint_normal("%s at %s", pba->pba_busname, pnp); 338 else 339 aprint_normal(" bus %d", pba->pba_bus); 340 341 return (UNCONF); 342 } 343 #endif 344 345 /* 346 * Handle PCI error interrupts. 347 */ 348 int 349 vrpciu_intr(void *arg) 350 { 351 struct vrpciu_softc *sc = (struct vrpciu_softc *)arg; 352 u_int32_t isr, baddr; 353 354 isr = vrpciu_read(sc, VRPCIU_INTCNTSTAREG); 355 baddr = vrpciu_read(sc, VRPCIU_BUSERRADREG); 356 printf("%s: status=0x%08x bad addr=0x%08x\n", 357 sc->sc_dev.dv_xname, isr, baddr); 358 return ((isr & 0x0f) ? 1 : 0); 359 } 360 361 void 362 vrpciu_attach_hook(struct device *parent, struct device *self, 363 struct pcibus_attach_args *pba) 364 { 365 366 return; 367 } 368 369 int 370 vrpciu_bus_maxdevs(pci_chipset_tag_t pc, int busno) 371 { 372 373 return (32); 374 } 375 376 int 377 vrpciu_bus_devorder(pci_chipset_tag_t pc, int busno, char *devs) 378 { 379 int i, dev; 380 char priorities[32]; 381 static pcireg_t ids[] = { 382 /* these devices should be attached first */ 383 PCI_ID_CODE(PCI_VENDOR_NEC, PCI_PRODUCT_NEC_VRC4173_BCU), 384 }; 385 386 /* scan PCI devices and check the id table */ 387 memset(priorities, 0, sizeof(priorities)); 388 for (dev = 0; dev < 32; dev++) { 389 pcireg_t id; 390 id = pci_conf_read(pc, pci_make_tag(pc, 0, dev, 0),PCI_ID_REG); 391 for (i = 0; i < sizeof(ids)/sizeof(*ids); i++) 392 if (id == ids[i]) 393 priorities[dev] = 1; 394 } 395 396 /* fill order array */ 397 for (i = 1; 0 <= i; i--) 398 for (dev = 0; dev < 32; dev++) 399 if (priorities[dev] == i) 400 *devs++ = dev; 401 402 return (32); 403 } 404 405 pcitag_t 406 vrpciu_make_tag(pci_chipset_tag_t pc, int bus, int device, int function) 407 { 408 409 return ((bus << 16) | (device << 11) | (function << 8)); 410 } 411 412 void 413 vrpciu_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, int *dp, 414 int *fp) 415 { 416 417 if (bp != NULL) 418 *bp = (tag >> 16) & 0xff; 419 if (dp != NULL) 420 *dp = (tag >> 11) & 0x1f; 421 if (fp != NULL) 422 *fp = (tag >> 8) & 0x07; 423 } 424 425 pcireg_t 426 vrpciu_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) 427 { 428 struct vrpciu_softc *sc = (struct vrpciu_softc *)pc->pc_dev; 429 u_int32_t val; 430 int bus, device, function; 431 432 pci_decompose_tag(pc, tag, &bus, &device, &function); 433 if (bus == 0) { 434 if (device > 21) 435 return ((pcitag_t)-1); 436 tag = (1 << (device + 11)) | (function << 8); /* Type 0 */ 437 } else 438 tag |= VRPCIU_CONF_TYPE1; 439 440 vrpciu_write(sc, VRPCIU_CONFAREG, tag | reg); 441 val = vrpciu_read(sc, VRPCIU_CONFDREG); 442 #if 0 443 printf("%s: conf_read: tag = 0x%08x, reg = 0x%x, val = 0x%08x\n", 444 sc->sc_dev.dv_xname, (u_int32_t)tag, reg, val); 445 #endif 446 return (val); 447 } 448 449 void 450 vrpciu_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, 451 pcireg_t data) 452 { 453 struct vrpciu_softc *sc = (struct vrpciu_softc *)pc->pc_dev; 454 int bus, device, function; 455 456 #if 0 457 printf("%s: conf_write: tag = 0x%08x, reg = 0x%x, val = 0x%08x\n", 458 sc->sc_dev.dv_xname, (u_int32_t)tag, reg, (u_int32_t)data); 459 #endif 460 vrpciu_decompose_tag(pc, tag, &bus, &device, &function); 461 if (bus == 0) { 462 if (device > 21) 463 return; 464 tag = (1 << (device + 11)) | (function << 8); /* Type 0 */ 465 } else 466 tag |= VRPCIU_CONF_TYPE1; 467 468 vrpciu_write(sc, VRPCIU_CONFAREG, tag | reg); 469 vrpciu_write(sc, VRPCIU_CONFDREG, data); 470 } 471 472 int 473 vrpciu_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp) 474 { 475 pci_chipset_tag_t pc = pa->pa_pc; 476 pcitag_t intrtag = pa->pa_intrtag; 477 int bus, dev, func; 478 #ifdef DEBUG 479 int line = pa->pa_intrline; 480 int pin = pa->pa_intrpin; 481 #endif 482 483 pci_decompose_tag(pc, intrtag, &bus, &dev, &func); 484 DPRINTF(("%s(%d, %d, %d): line = %d, pin = %d\n", pc->pc_dev->dv_xname, 485 bus, dev, func, line, pin)); 486 487 *ihp = CONFIG_HOOK_PCIINTR_ID(bus, dev, func); 488 489 return (0); 490 } 491 492 const char * 493 vrpciu_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih) 494 { 495 static char irqstr[sizeof("pciintr") + 16]; 496 497 snprintf(irqstr, sizeof(irqstr), "pciintr %d:%d:%d", 498 CONFIG_HOOK_PCIINTR_BUS((int)ih), 499 CONFIG_HOOK_PCIINTR_DEVICE((int)ih), 500 CONFIG_HOOK_PCIINTR_FUNCTION((int)ih)); 501 502 return (irqstr); 503 } 504 505 const struct evcnt * 506 vrpciu_intr_evcnt(pci_chipset_tag_t pc, pci_intr_handle_t ih) 507 { 508 509 /* XXX for now, no evcnt parent reported */ 510 511 return (NULL); 512 } 513 514 void * 515 vrpciu_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, 516 int (*func)(void *), void *arg) 517 { 518 519 if (ih == -1) 520 return (NULL); 521 DPRINTF(("vrpciu_intr_establish: %lx\n", ih)); 522 523 return (config_hook(CONFIG_HOOK_PCIINTR, ih, CONFIG_HOOK_EXCLUSIVE, 524 (int (*)(void *, int, long, void *))func, arg)); 525 } 526 527 void 528 vrpciu_intr_disestablish(pci_chipset_tag_t pc, void *cookie) 529 { 530 531 DPRINTF(("vrpciu_intr_disestablish: %p\n", cookie)); 532 config_unhook(cookie); 533 } 534