1178173Simp/* $NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $ */ 2178173Simp 3178173Simp/*- 4178173Simp * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. 5178173Simp * All rights reserved. 6178173Simp * 7178173Simp * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8178173Simp * 9178173Simp * Redistribution and use in source and binary forms, with or without 10178173Simp * modification, are permitted provided that the following conditions 11178173Simp * are met: 12178173Simp * 1. Redistributions of source code must retain the above copyright 13178173Simp * notice, this list of conditions and the following disclaimer. 14178173Simp * 2. Redistributions in binary form must reproduce the above copyright 15178173Simp * notice, this list of conditions and the following disclaimer in the 16178173Simp * documentation and/or other materials provided with the distribution. 17178173Simp * 3. All advertising materials mentioning features or use of this software 18178173Simp * must display the following acknowledgement: 19178173Simp * This product includes software developed for the NetBSD Project by 20178173Simp * Wasabi Systems, Inc. 21178173Simp * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22178173Simp * or promote products derived from this software without specific prior 23178173Simp * written permission. 24178173Simp * 25178173Simp * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26178173Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27178173Simp * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28178173Simp * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29178173Simp * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30178173Simp * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31178173Simp * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32178173Simp * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33178173Simp * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34178173Simp * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35178173Simp * POSSIBILITY OF SUCH DAMAGE. 36178173Simp */ 37178173Simp 38178173Simp#include <sys/cdefs.h> 39178173Simp__FBSDID("$FreeBSD$"); 40178173Simp 41178173Simp#include <sys/param.h> 42178173Simp#include <sys/systm.h> 43178173Simp#include <sys/bus.h> 44178173Simp#include <sys/interrupt.h> 45178173Simp#include <sys/kernel.h> 46178173Simp#include <sys/module.h> 47178173Simp#include <sys/rman.h> 48178173Simp#include <sys/malloc.h> 49178173Simp 50178173Simp#include <machine/bus.h> 51178173Simp 52182901Sgonzo#include <mips/adm5120/adm5120reg.h> 53182901Sgonzo#include <mips/adm5120/obiovar.h> 54178173Simp 55178173Simp/* MIPS HW interrupts of IRQ/FIQ respectively */ 56178173Simp#define ADM5120_INTR 0 57178173Simp#define ADM5120_FAST_INTR 1 58178173Simp 59178173Simp/* Interrupt levels */ 60178173Simp#define INTR_IRQ 0 61178173Simp#define INTR_FIQ 1 62178173Simp 63178173Simpint irq_priorities[NIRQS] = { 64178173Simp INTR_IRQ, /* flash */ 65178173Simp INTR_FIQ, /* uart0 */ 66178173Simp INTR_FIQ, /* uart1 */ 67178173Simp INTR_IRQ, /* ahci */ 68178173Simp INTR_IRQ, /* unknown */ 69178173Simp INTR_IRQ, /* unknown */ 70178173Simp INTR_IRQ, /* unknown */ 71178173Simp INTR_IRQ, /* unknown */ 72178173Simp INTR_IRQ, /* unknown */ 73178173Simp INTR_IRQ, /* admsw */ 74178173Simp INTR_IRQ, /* unknown */ 75178173Simp INTR_IRQ, /* unknown */ 76178173Simp INTR_IRQ, /* unknown */ 77178173Simp INTR_IRQ, /* unknown */ 78178173Simp INTR_IRQ, /* unknown */ 79178173Simp INTR_IRQ, /* unknown */ 80178173Simp INTR_IRQ, /* unknown */ 81178173Simp INTR_IRQ, /* unknown */ 82178173Simp INTR_IRQ, /* unknown */ 83178173Simp INTR_IRQ, /* unknown */ 84178173Simp INTR_IRQ, /* unknown */ 85178173Simp INTR_IRQ, /* unknown */ 86178173Simp INTR_IRQ, /* unknown */ 87178173Simp INTR_IRQ, /* unknown */ 88178173Simp INTR_IRQ, /* unknown */ 89178173Simp INTR_IRQ, /* unknown */ 90178173Simp INTR_IRQ, /* unknown */ 91178173Simp INTR_IRQ, /* unknown */ 92178173Simp INTR_IRQ, /* unknown */ 93178173Simp INTR_IRQ, /* unknown */ 94178173Simp INTR_IRQ, /* unknown */ 95178173Simp INTR_IRQ, /* unknown */ 96178173Simp}; 97178173Simp 98178173Simp 99178173Simp#define REG_READ(o) *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1(ADM5120_BASE_ICU + (o))) 100178173Simp#define REG_WRITE(o,v) (REG_READ(o)) = (v) 101178173Simp 102178173Simpstatic int obio_activate_resource(device_t, device_t, int, int, 103178173Simp struct resource *); 104212413Savgstatic device_t obio_add_child(device_t, u_int, const char *, int); 105178173Simpstatic struct resource * 106178173Simp obio_alloc_resource(device_t, device_t, int, int *, u_long, 107178173Simp u_long, u_long, u_int); 108178173Simpstatic int obio_attach(device_t); 109178173Simpstatic int obio_deactivate_resource(device_t, device_t, int, int, 110178173Simp struct resource *); 111178173Simpstatic struct resource_list * 112178173Simp obio_get_resource_list(device_t, device_t); 113178173Simpstatic void obio_hinted_child(device_t, const char *, int); 114178173Simpstatic int obio_intr(void *); 115178173Simpstatic int obio_probe(device_t); 116178173Simpstatic int obio_release_resource(device_t, device_t, int, int, 117178173Simp struct resource *); 118178173Simpstatic int obio_setup_intr(device_t, device_t, struct resource *, int, 119178173Simp driver_filter_t *, driver_intr_t *, void *, void **); 120178173Simpstatic int obio_teardown_intr(device_t, device_t, struct resource *, 121178173Simp void *); 122178173Simp 123202037Simp 124202037Simpstatic void 125202037Simpobio_mask_irq(void *source) 126202037Simp{ 127202037Simp int irq; 128202037Simp uint32_t irqmask; 129202037Simp uint32_t reg; 130202037Simp 131202037Simp irq = (int)source; 132202037Simp irqmask = 1 << irq; 133202037Simp 134202037Simp /* disable IRQ */ 135202037Simp reg = REG_READ(ICU_DISABLE_REG); 136202037Simp REG_WRITE(ICU_DISABLE_REG, (reg | irqmask)); 137202037Simp} 138202037Simp 139202037Simpstatic void 140202037Simpobio_unmask_irq(void *source) 141202037Simp{ 142202037Simp int irq; 143202037Simp uint32_t irqmask; 144202037Simp uint32_t reg; 145202037Simp 146202037Simp irq = (int)source; 147202037Simp irqmask = 1 << irq; 148202037Simp 149202037Simp /* disable IRQ */ 150202037Simp reg = REG_READ(ICU_DISABLE_REG); 151202037Simp REG_WRITE(ICU_DISABLE_REG, (reg & ~irqmask)); 152202037Simp 153202037Simp} 154202037Simp 155202037Simp 156178173Simpstatic int 157178173Simpobio_probe(device_t dev) 158178173Simp{ 159178173Simp 160178173Simp return (0); 161178173Simp} 162178173Simp 163178173Simpstatic int 164178173Simpobio_attach(device_t dev) 165178173Simp{ 166178173Simp struct obio_softc *sc = device_get_softc(dev); 167178173Simp int rid; 168178173Simp 169178173Simp sc->oba_mem_rman.rm_type = RMAN_ARRAY; 170178173Simp sc->oba_mem_rman.rm_descr = "OBIO memeory"; 171178173Simp if (rman_init(&sc->oba_mem_rman) != 0 || 172178173Simp rman_manage_region(&sc->oba_mem_rman, OBIO_MEM_START, 173178173Simp OBIO_MEM_START + OBIO_MEM_SIZE) != 0) 174178173Simp panic("obio_attach: failed to set up I/O rman"); 175178173Simp 176178173Simp sc->oba_irq_rman.rm_type = RMAN_ARRAY; 177178173Simp sc->oba_irq_rman.rm_descr = "OBIO IRQ"; 178178173Simp 179178173Simp if (rman_init(&sc->oba_irq_rman) != 0 || 180178173Simp rman_manage_region(&sc->oba_irq_rman, 0, NIRQS-1) != 0) 181178173Simp panic("obio_attach: failed to set up IRQ rman"); 182178173Simp 183178173Simp /* Hook up our interrupt handler. */ 184178173Simp if ((sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 185178173Simp ADM5120_INTR, ADM5120_INTR, 1, 186178173Simp RF_SHAREABLE | RF_ACTIVE)) == NULL) { 187178173Simp device_printf(dev, "unable to allocate IRQ resource\n"); 188178173Simp return (ENXIO); 189178173Simp } 190178173Simp 191178173Simp if ((bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_MISC, obio_intr, NULL, 192178173Simp sc, &sc->sc_ih))) { 193178173Simp device_printf(dev, 194178173Simp "WARNING: unable to register interrupt handler\n"); 195178173Simp return (ENXIO); 196178173Simp } 197178173Simp 198178173Simp /* Hook up our FAST interrupt handler. */ 199178173Simp if ((sc->sc_fast_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 200178173Simp ADM5120_FAST_INTR, ADM5120_FAST_INTR, 1, 201178173Simp RF_SHAREABLE | RF_ACTIVE)) == NULL) { 202178173Simp device_printf(dev, "unable to allocate IRQ resource\n"); 203178173Simp return (ENXIO); 204178173Simp } 205178173Simp 206178173Simp if ((bus_setup_intr(dev, sc->sc_fast_irq, INTR_TYPE_MISC, obio_intr, 207178173Simp NULL, sc, &sc->sc_fast_ih))) { 208178173Simp device_printf(dev, 209178173Simp "WARNING: unable to register interrupt handler\n"); 210178173Simp return (ENXIO); 211178173Simp } 212178173Simp 213178173Simp /* disable all interrupts */ 214178173Simp REG_WRITE(ICU_ENABLE_REG, ICU_INT_MASK); 215178173Simp 216178173Simp bus_generic_probe(dev); 217178173Simp bus_enumerate_hinted_children(dev); 218178173Simp bus_generic_attach(dev); 219178173Simp 220178173Simp return (0); 221178173Simp} 222178173Simp 223178173Simpstatic struct resource * 224178173Simpobio_alloc_resource(device_t bus, device_t child, int type, int *rid, 225178173Simp u_long start, u_long end, u_long count, u_int flags) 226178173Simp{ 227178173Simp struct obio_softc *sc = device_get_softc(bus); 228178173Simp struct obio_ivar *ivar = device_get_ivars(child); 229178173Simp struct resource *rv; 230178173Simp struct resource_list_entry *rle; 231178173Simp struct rman *rm; 232178173Simp int isdefault, needactivate, passthrough; 233178173Simp 234178173Simp isdefault = (start == 0UL && end == ~0UL && count == 1); 235178173Simp needactivate = flags & RF_ACTIVE; 236178173Simp passthrough = (device_get_parent(child) != bus); 237178173Simp rle = NULL; 238178173Simp 239178173Simp if (passthrough) 240178173Simp return (BUS_ALLOC_RESOURCE(device_get_parent(bus), child, type, 241178173Simp rid, start, end, count, flags)); 242178173Simp 243178173Simp /* 244178173Simp * If this is an allocation of the "default" range for a given RID, 245178173Simp * and we know what the resources for this device are (ie. they aren't 246178173Simp * maintained by a child bus), then work out the start/end values. 247178173Simp */ 248178173Simp if (isdefault) { 249178173Simp rle = resource_list_find(&ivar->resources, type, *rid); 250178173Simp if (rle == NULL) 251178173Simp return (NULL); 252178173Simp if (rle->res != NULL) { 253178173Simp panic("%s: resource entry is busy", __func__); 254178173Simp } 255178173Simp start = rle->start; 256178173Simp end = rle->end; 257178173Simp count = rle->count; 258178173Simp } 259178173Simp 260178173Simp switch (type) { 261178173Simp case SYS_RES_IRQ: 262178173Simp rm = &sc->oba_irq_rman; 263178173Simp break; 264178173Simp case SYS_RES_MEMORY: 265178173Simp rm = &sc->oba_mem_rman; 266178173Simp break; 267178173Simp default: 268178173Simp printf("%s: unknown resource type %d\n", __func__, type); 269178173Simp return (0); 270178173Simp } 271178173Simp 272178173Simp rv = rman_reserve_resource(rm, start, end, count, flags, child); 273178173Simp if (rv == 0) { 274178173Simp printf("%s: could not reserve resource\n", __func__); 275178173Simp return (0); 276178173Simp } 277178173Simp 278178173Simp rman_set_rid(rv, *rid); 279178173Simp 280178173Simp if (needactivate) { 281178173Simp if (bus_activate_resource(child, type, *rid, rv)) { 282178173Simp printf("%s: could not activate resource\n", __func__); 283178173Simp rman_release_resource(rv); 284178173Simp return (0); 285178173Simp } 286178173Simp } 287178173Simp 288178173Simp return (rv); 289178173Simp} 290178173Simp 291178173Simpstatic int 292178173Simpobio_activate_resource(device_t bus, device_t child, int type, int rid, 293178173Simp struct resource *r) 294178173Simp{ 295178173Simp 296178173Simp /* 297178173Simp * If this is a memory resource, track the direct mapping 298178173Simp * in the uncached MIPS KSEG1 segment. 299178173Simp */ 300178173Simp if (type == SYS_RES_MEMORY) { 301178173Simp void *vaddr; 302178173Simp 303178173Simp vaddr = (void *)MIPS_PHYS_TO_KSEG1((intptr_t)rman_get_start(r)); 304178173Simp rman_set_virtual(r, vaddr); 305202037Simp rman_set_bustag(r, mips_bus_space_generic); 306178173Simp rman_set_bushandle(r, (bus_space_handle_t)vaddr); 307178173Simp } 308178173Simp 309178173Simp return (rman_activate_resource(r)); 310178173Simp} 311178173Simp 312178173Simpstatic int 313178173Simpobio_deactivate_resource(device_t bus, device_t child, int type, int rid, 314178173Simp struct resource *r) 315178173Simp{ 316178173Simp 317178173Simp return (rman_deactivate_resource(r)); 318178173Simp} 319178173Simp 320178173Simpstatic int 321178173Simpobio_release_resource(device_t dev, device_t child, int type, 322178173Simp int rid, struct resource *r) 323178173Simp{ 324178173Simp struct resource_list *rl; 325178173Simp struct resource_list_entry *rle; 326178173Simp 327178173Simp rl = obio_get_resource_list(dev, child); 328178173Simp if (rl == NULL) 329178173Simp return (EINVAL); 330178173Simp rle = resource_list_find(rl, type, rid); 331178173Simp if (rle == NULL) 332178173Simp return (EINVAL); 333178173Simp rman_release_resource(r); 334178173Simp rle->res = NULL; 335178173Simp 336178173Simp return (0); 337178173Simp} 338178173Simp 339178173Simpstatic int 340178173Simpobio_setup_intr(device_t dev, device_t child, struct resource *ires, 341178173Simp int flags, driver_filter_t *filt, driver_intr_t *handler, 342178173Simp void *arg, void **cookiep) 343178173Simp{ 344178173Simp struct obio_softc *sc = device_get_softc(dev); 345178173Simp struct intr_event *event; 346178173Simp int irq, error, priority; 347178173Simp uint32_t irqmask; 348178173Simp 349178173Simp irq = rman_get_start(ires); 350178173Simp 351178173Simp if (irq >= NIRQS) 352178173Simp panic("%s: bad irq %d", __func__, irq); 353178173Simp 354178173Simp event = sc->sc_eventstab[irq]; 355178173Simp if (event == NULL) { 356183173Simp error = intr_event_create(&event, (void *)irq, 0, irq, 357202037Simp obio_mask_irq, obio_unmask_irq, 358178173Simp NULL, NULL, "obio intr%d:", irq); 359178173Simp 360178173Simp sc->sc_eventstab[irq] = event; 361178173Simp } 362178173Simp else 363178173Simp panic("obio: Can't share IRQs"); 364178173Simp 365178173Simp intr_event_add_handler(event, device_get_nameunit(child), filt, 366178173Simp handler, arg, intr_priority(flags), flags, cookiep); 367178173Simp 368178173Simp irqmask = 1 << irq; 369178173Simp priority = irq_priorities[irq]; 370178173Simp 371178173Simp if (priority == INTR_FIQ) 372178173Simp REG_WRITE(ICU_MODE_REG, REG_READ(ICU_MODE_REG) | irqmask); 373178173Simp else 374178173Simp REG_WRITE(ICU_MODE_REG, REG_READ(ICU_MODE_REG) & ~irqmask); 375178173Simp 376178173Simp /* enable */ 377178173Simp REG_WRITE(ICU_ENABLE_REG, irqmask); 378178173Simp 379202037Simp obio_unmask_irq((void*)irq); 380202037Simp 381178173Simp return (0); 382178173Simp} 383178173Simp 384178173Simpstatic int 385178173Simpobio_teardown_intr(device_t dev, device_t child, struct resource *ires, 386178173Simp void *cookie) 387178173Simp{ 388178173Simp struct obio_softc *sc = device_get_softc(dev); 389202037Simp int irq, result, priority; 390178173Simp uint32_t irqmask; 391178173Simp 392178173Simp irq = rman_get_start(ires); 393178173Simp if (irq >= NIRQS) 394178173Simp panic("%s: bad irq %d", __func__, irq); 395178173Simp 396178173Simp if (sc->sc_eventstab[irq] == NULL) 397178173Simp panic("Trying to teardown unoccupied IRQ"); 398178173Simp 399202037Simp irqmask = (1 << irq); 400202037Simp priority = irq_priorities[irq]; 401178173Simp 402202037Simp if (priority == INTR_FIQ) 403202037Simp REG_WRITE(ICU_MODE_REG, REG_READ(ICU_MODE_REG) & ~irqmask); 404202037Simp else 405202037Simp REG_WRITE(ICU_MODE_REG, REG_READ(ICU_MODE_REG) | irqmask); 406178173Simp 407202037Simp /* disable */ 408202037Simp irqmask = REG_READ(ICU_ENABLE_REG); 409202037Simp irqmask &= ~(1 << irq); 410202037Simp REG_WRITE(ICU_ENABLE_REG, irqmask); 411202037Simp 412178173Simp result = intr_event_remove_handler(cookie); 413178173Simp if (!result) { 414178173Simp sc->sc_eventstab[irq] = NULL; 415178173Simp } 416178173Simp 417178173Simp return (result); 418178173Simp} 419178173Simp 420178173Simpstatic int 421178173Simpobio_intr(void *arg) 422178173Simp{ 423178173Simp struct obio_softc *sc = arg; 424178173Simp struct intr_event *event; 425178173Simp uint32_t irqstat; 426183173Simp int irq; 427178173Simp 428178173Simp irqstat = REG_READ(ICU_FIQ_STATUS_REG); 429178173Simp irqstat |= REG_READ(ICU_STATUS_REG); 430178173Simp 431178173Simp irq = 0; 432178173Simp while (irqstat != 0) { 433178173Simp if ((irqstat & 1) == 1) { 434178173Simp event = sc->sc_eventstab[irq]; 435183173Simp if (!event || TAILQ_EMPTY(&event->ie_handlers)) 436183173Simp continue; 437178173Simp 438183173Simp /* TODO: pass frame as an argument*/ 439183173Simp /* TODO: log stray interrupt */ 440183173Simp intr_event_handle(event, NULL); 441178173Simp } 442178173Simp 443178173Simp irq++; 444178173Simp irqstat >>= 1; 445178173Simp } 446178173Simp 447178173Simp return (FILTER_HANDLED); 448178173Simp} 449178173Simp 450178173Simpstatic void 451178173Simpobio_hinted_child(device_t bus, const char *dname, int dunit) 452178173Simp{ 453178173Simp device_t child; 454178173Simp long maddr; 455178173Simp int msize; 456178173Simp int irq; 457178173Simp int result; 458178173Simp 459178173Simp child = BUS_ADD_CHILD(bus, 0, dname, dunit); 460178173Simp 461178173Simp /* 462178173Simp * Set hard-wired resources for hinted child using 463178173Simp * specific RIDs. 464178173Simp */ 465178173Simp resource_long_value(dname, dunit, "maddr", &maddr); 466178173Simp resource_int_value(dname, dunit, "msize", &msize); 467178173Simp 468178173Simp 469178173Simp result = bus_set_resource(child, SYS_RES_MEMORY, 0, 470178173Simp maddr, msize); 471178173Simp if (result != 0) 472178173Simp device_printf(bus, "warning: bus_set_resource() failed\n"); 473178173Simp 474178173Simp if (resource_int_value(dname, dunit, "irq", &irq) == 0) { 475178173Simp result = bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1); 476178173Simp if (result != 0) 477178173Simp device_printf(bus, 478178173Simp "warning: bus_set_resource() failed\n"); 479178173Simp } 480178173Simp} 481178173Simp 482178173Simpstatic device_t 483212413Savgobio_add_child(device_t bus, u_int order, const char *name, int unit) 484178173Simp{ 485178173Simp device_t child; 486178173Simp struct obio_ivar *ivar; 487178173Simp 488178173Simp ivar = malloc(sizeof(struct obio_ivar), M_DEVBUF, M_WAITOK | M_ZERO); 489178173Simp if (ivar == NULL) { 490178173Simp printf("Failed to allocate ivar\n"); 491178173Simp return (0); 492178173Simp } 493178173Simp resource_list_init(&ivar->resources); 494178173Simp 495178173Simp child = device_add_child_ordered(bus, order, name, unit); 496178173Simp if (child == NULL) { 497178173Simp printf("Can't add child %s%d ordered\n", name, unit); 498178173Simp return (0); 499178173Simp } 500178173Simp 501178173Simp device_set_ivars(child, ivar); 502178173Simp 503178173Simp return (child); 504178173Simp} 505178173Simp 506178173Simp/* 507178173Simp * Helper routine for bus_generic_rl_get_resource/bus_generic_rl_set_resource 508178173Simp * Provides pointer to resource_list for these routines 509178173Simp */ 510178173Simpstatic struct resource_list * 511178173Simpobio_get_resource_list(device_t dev, device_t child) 512178173Simp{ 513178173Simp struct obio_ivar *ivar; 514178173Simp 515178173Simp ivar = device_get_ivars(child); 516178173Simp return (&(ivar->resources)); 517178173Simp} 518178173Simp 519178173Simpstatic device_method_t obio_methods[] = { 520178173Simp DEVMETHOD(bus_activate_resource, obio_activate_resource), 521178173Simp DEVMETHOD(bus_add_child, obio_add_child), 522178173Simp DEVMETHOD(bus_alloc_resource, obio_alloc_resource), 523178173Simp DEVMETHOD(bus_deactivate_resource, obio_deactivate_resource), 524178173Simp DEVMETHOD(bus_get_resource_list, obio_get_resource_list), 525178173Simp DEVMETHOD(bus_hinted_child, obio_hinted_child), 526178173Simp DEVMETHOD(bus_release_resource, obio_release_resource), 527178173Simp DEVMETHOD(bus_setup_intr, obio_setup_intr), 528178173Simp DEVMETHOD(bus_teardown_intr, obio_teardown_intr), 529178173Simp DEVMETHOD(device_attach, obio_attach), 530178173Simp DEVMETHOD(device_probe, obio_probe), 531178173Simp DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), 532178173Simp DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), 533178173Simp 534178173Simp {0, 0}, 535178173Simp}; 536178173Simp 537178173Simpstatic driver_t obio_driver = { 538178173Simp "obio", 539178173Simp obio_methods, 540178173Simp sizeof(struct obio_softc), 541178173Simp}; 542178173Simpstatic devclass_t obio_devclass; 543178173Simp 544178173SimpDRIVER_MODULE(obio, nexus, obio_driver, obio_devclass, 0, 0); 545