1187517Sgonzo/*- 2187517Sgonzo * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org> 3187517Sgonzo * All rights reserved. 4187517Sgonzo * 5187517Sgonzo * Redistribution and use in source and binary forms, with or without 6187517Sgonzo * modification, are permitted provided that the following conditions 7187517Sgonzo * are met: 8187517Sgonzo * 1. Redistributions of source code must retain the above copyright 9187517Sgonzo * notice unmodified, this list of conditions, and the following 10187517Sgonzo * disclaimer. 11187517Sgonzo * 2. Redistributions in binary form must reproduce the above copyright 12187517Sgonzo * notice, this list of conditions and the following disclaimer in the 13187517Sgonzo * documentation and/or other materials provided with the distribution. 14187517Sgonzo * 15187517Sgonzo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16187517Sgonzo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17187517Sgonzo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18187517Sgonzo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19187517Sgonzo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20187517Sgonzo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21187517Sgonzo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22187517Sgonzo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23187517Sgonzo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24187517Sgonzo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25187517Sgonzo * SUCH DAMAGE. 26187517Sgonzo */ 27187517Sgonzo 28187517Sgonzo#include <sys/cdefs.h> 29187517Sgonzo__FBSDID("$FreeBSD$"); 30187517Sgonzo 31187517Sgonzo#include <sys/param.h> 32187517Sgonzo#include <sys/systm.h> 33187517Sgonzo#include <sys/bus.h> 34187517Sgonzo#include <sys/interrupt.h> 35187517Sgonzo#include <sys/kernel.h> 36187517Sgonzo#include <sys/module.h> 37187517Sgonzo#include <sys/rman.h> 38187517Sgonzo#include <sys/malloc.h> 39232847Sgonzo#include <sys/pcpu.h> 40232847Sgonzo#include <sys/proc.h> 41232847Sgonzo#include <sys/pmc.h> 42232847Sgonzo#include <sys/pmckern.h> 43187517Sgonzo 44187517Sgonzo#include <machine/bus.h> 45199497Sgonzo#include <machine/intr_machdep.h> 46187517Sgonzo 47187517Sgonzo#include <mips/atheros/apbvar.h> 48187517Sgonzo#include <mips/atheros/ar71xxreg.h> 49221257Sadrian#include <mips/atheros/ar71xx_setup.h> 50187517Sgonzo 51232847Sgonzo#define APB_INTR_PMC 5 52232847Sgonzo 53188883Sgonzo#undef APB_DEBUG 54188883Sgonzo#ifdef APB_DEBUG 55188883Sgonzo#define dprintf printf 56188883Sgonzo#else 57188883Sgonzo#define dprintf(x, arg...) 58188883Sgonzo#endif /* APB_DEBUG */ 59188883Sgonzo 60187517Sgonzostatic int apb_activate_resource(device_t, device_t, int, int, 61187517Sgonzo struct resource *); 62212413Savgstatic device_t apb_add_child(device_t, u_int, const char *, int); 63187517Sgonzostatic struct resource * 64187517Sgonzo apb_alloc_resource(device_t, device_t, int, int *, u_long, 65187517Sgonzo u_long, u_long, u_int); 66187517Sgonzostatic int apb_attach(device_t); 67187517Sgonzostatic int apb_deactivate_resource(device_t, device_t, int, int, 68187517Sgonzo struct resource *); 69187517Sgonzostatic struct resource_list * 70187517Sgonzo apb_get_resource_list(device_t, device_t); 71187517Sgonzostatic void apb_hinted_child(device_t, const char *, int); 72232847Sgonzostatic int apb_filter(void *); 73187517Sgonzostatic int apb_probe(device_t); 74187517Sgonzostatic int apb_release_resource(device_t, device_t, int, int, 75187517Sgonzo struct resource *); 76187517Sgonzostatic int apb_setup_intr(device_t, device_t, struct resource *, int, 77187517Sgonzo driver_filter_t *, driver_intr_t *, void *, void **); 78187517Sgonzostatic int apb_teardown_intr(device_t, device_t, struct resource *, 79187517Sgonzo void *); 80187517Sgonzo 81192822Sgonzostatic void 82192822Sgonzoapb_mask_irq(void *source) 83187517Sgonzo{ 84192822Sgonzo unsigned int irq = (unsigned int)source; 85187517Sgonzo uint32_t reg; 86187517Sgonzo 87187517Sgonzo reg = ATH_READ_REG(AR71XX_MISC_INTR_MASK); 88187517Sgonzo ATH_WRITE_REG(AR71XX_MISC_INTR_MASK, reg & ~(1 << irq)); 89187517Sgonzo 90187517Sgonzo} 91187517Sgonzo 92192822Sgonzostatic void 93192822Sgonzoapb_unmask_irq(void *source) 94187517Sgonzo{ 95187517Sgonzo uint32_t reg; 96192822Sgonzo unsigned int irq = (unsigned int)source; 97187517Sgonzo 98187517Sgonzo reg = ATH_READ_REG(AR71XX_MISC_INTR_MASK); 99187517Sgonzo ATH_WRITE_REG(AR71XX_MISC_INTR_MASK, reg | (1 << irq)); 100187517Sgonzo} 101187517Sgonzo 102187517Sgonzostatic int 103187517Sgonzoapb_probe(device_t dev) 104187517Sgonzo{ 105187517Sgonzo 106187517Sgonzo return (0); 107187517Sgonzo} 108187517Sgonzo 109187517Sgonzostatic int 110187517Sgonzoapb_attach(device_t dev) 111187517Sgonzo{ 112187517Sgonzo struct apb_softc *sc = device_get_softc(dev); 113187517Sgonzo int rid = 0; 114187517Sgonzo 115187517Sgonzo device_set_desc(dev, "APB Bus bridge"); 116191837Sgonzo 117191837Sgonzo sc->apb_mem_rman.rm_type = RMAN_ARRAY; 118191837Sgonzo sc->apb_mem_rman.rm_descr = "APB memory window"; 119191837Sgonzo 120191837Sgonzo if (rman_init(&sc->apb_mem_rman) != 0 || 121191837Sgonzo rman_manage_region(&sc->apb_mem_rman, 122191837Sgonzo AR71XX_APB_BASE, 123191837Sgonzo AR71XX_APB_BASE + AR71XX_APB_SIZE - 1) != 0) 124191837Sgonzo panic("apb_attach: failed to set up memory rman"); 125191837Sgonzo 126187517Sgonzo sc->apb_irq_rman.rm_type = RMAN_ARRAY; 127187517Sgonzo sc->apb_irq_rman.rm_descr = "APB IRQ"; 128187517Sgonzo 129187517Sgonzo if (rman_init(&sc->apb_irq_rman) != 0 || 130187517Sgonzo rman_manage_region(&sc->apb_irq_rman, 131187517Sgonzo APB_IRQ_BASE, APB_IRQ_END) != 0) 132187517Sgonzo panic("apb_attach: failed to set up IRQ rman"); 133187517Sgonzo 134187517Sgonzo if ((sc->sc_misc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 135187517Sgonzo RF_SHAREABLE | RF_ACTIVE)) == NULL) { 136187517Sgonzo device_printf(dev, "unable to allocate IRQ resource\n"); 137187517Sgonzo return (ENXIO); 138187517Sgonzo } 139187517Sgonzo 140187517Sgonzo if ((bus_setup_intr(dev, sc->sc_misc_irq, INTR_TYPE_MISC, 141232847Sgonzo apb_filter, NULL, sc, &sc->sc_misc_ih))) { 142187517Sgonzo device_printf(dev, 143187517Sgonzo "WARNING: unable to register interrupt handler\n"); 144187517Sgonzo return (ENXIO); 145187517Sgonzo } 146187517Sgonzo 147187517Sgonzo bus_generic_probe(dev); 148187517Sgonzo bus_enumerate_hinted_children(dev); 149187517Sgonzo bus_generic_attach(dev); 150187517Sgonzo 151232847Sgonzo /* 152232847Sgonzo * Unmask performance counter IRQ 153232847Sgonzo */ 154232847Sgonzo apb_unmask_irq((void*)APB_INTR_PMC); 155232847Sgonzo sc->sc_intr_counter[APB_INTR_PMC] = mips_intrcnt_create("apb irq5: pmc"); 156232847Sgonzo 157187517Sgonzo return (0); 158187517Sgonzo} 159187517Sgonzo 160187517Sgonzostatic struct resource * 161187517Sgonzoapb_alloc_resource(device_t bus, device_t child, int type, int *rid, 162187517Sgonzo u_long start, u_long end, u_long count, u_int flags) 163187517Sgonzo{ 164187517Sgonzo struct apb_softc *sc = device_get_softc(bus); 165187517Sgonzo struct apb_ivar *ivar = device_get_ivars(child); 166187517Sgonzo struct resource *rv; 167187517Sgonzo struct resource_list_entry *rle; 168187517Sgonzo struct rman *rm; 169187517Sgonzo int isdefault, needactivate, passthrough; 170187517Sgonzo 171187517Sgonzo isdefault = (start == 0UL && end == ~0UL); 172187517Sgonzo needactivate = flags & RF_ACTIVE; 173188883Sgonzo /* 174188883Sgonzo * Pass memory requests to nexus device 175188883Sgonzo */ 176191837Sgonzo passthrough = (device_get_parent(child) != bus); 177187517Sgonzo rle = NULL; 178187517Sgonzo 179191837Sgonzo dprintf("%s: entry (%p, %p, %d, %d, %p, %p, %ld, %d)\n", 180191837Sgonzo __func__, bus, child, type, *rid, (void *)(intptr_t)start, 181188883Sgonzo (void *)(intptr_t)end, count, flags); 182188883Sgonzo 183187517Sgonzo if (passthrough) 184187517Sgonzo return (BUS_ALLOC_RESOURCE(device_get_parent(bus), child, type, 185187517Sgonzo rid, start, end, count, flags)); 186187517Sgonzo 187187517Sgonzo /* 188187517Sgonzo * If this is an allocation of the "default" range for a given RID, 189187517Sgonzo * and we know what the resources for this device are (ie. they aren't 190187517Sgonzo * maintained by a child bus), then work out the start/end values. 191187517Sgonzo */ 192187517Sgonzo 193187517Sgonzo if (isdefault) { 194187517Sgonzo rle = resource_list_find(&ivar->resources, type, *rid); 195187517Sgonzo if (rle == NULL) { 196187517Sgonzo return (NULL); 197187517Sgonzo } 198187517Sgonzo 199187517Sgonzo if (rle->res != NULL) { 200187517Sgonzo panic("%s: resource entry is busy", __func__); 201187517Sgonzo } 202187517Sgonzo start = rle->start; 203187517Sgonzo end = rle->end; 204187517Sgonzo count = rle->count; 205188883Sgonzo 206188883Sgonzo dprintf("%s: default resource (%p, %p, %ld)\n", 207188883Sgonzo __func__, (void *)(intptr_t)start, 208188883Sgonzo (void *)(intptr_t)end, count); 209187517Sgonzo } 210187517Sgonzo 211187517Sgonzo switch (type) { 212187517Sgonzo case SYS_RES_IRQ: 213187517Sgonzo rm = &sc->apb_irq_rman; 214187517Sgonzo break; 215191837Sgonzo case SYS_RES_MEMORY: 216191837Sgonzo rm = &sc->apb_mem_rman; 217191837Sgonzo break; 218187517Sgonzo default: 219187517Sgonzo printf("%s: unknown resource type %d\n", __func__, type); 220187517Sgonzo return (0); 221187517Sgonzo } 222187517Sgonzo 223187517Sgonzo rv = rman_reserve_resource(rm, start, end, count, flags, child); 224187517Sgonzo if (rv == 0) { 225187517Sgonzo printf("%s: could not reserve resource\n", __func__); 226187517Sgonzo return (0); 227187517Sgonzo } 228187517Sgonzo 229187517Sgonzo rman_set_rid(rv, *rid); 230187517Sgonzo 231187517Sgonzo if (needactivate) { 232187517Sgonzo if (bus_activate_resource(child, type, *rid, rv)) { 233187517Sgonzo printf("%s: could not activate resource\n", __func__); 234187517Sgonzo rman_release_resource(rv); 235187517Sgonzo return (0); 236187517Sgonzo } 237187517Sgonzo } 238187517Sgonzo 239187517Sgonzo return (rv); 240187517Sgonzo} 241187517Sgonzo 242187517Sgonzostatic int 243187517Sgonzoapb_activate_resource(device_t bus, device_t child, int type, int rid, 244187517Sgonzo struct resource *r) 245187517Sgonzo{ 246187517Sgonzo 247187517Sgonzo /* XXX: should we mask/unmask IRQ here? */ 248187517Sgonzo return (BUS_ACTIVATE_RESOURCE(device_get_parent(bus), child, 249187517Sgonzo type, rid, r)); 250187517Sgonzo} 251187517Sgonzo 252187517Sgonzostatic int 253187517Sgonzoapb_deactivate_resource(device_t bus, device_t child, int type, int rid, 254187517Sgonzo struct resource *r) 255187517Sgonzo{ 256187517Sgonzo 257187517Sgonzo /* XXX: should we mask/unmask IRQ here? */ 258187517Sgonzo return (BUS_DEACTIVATE_RESOURCE(device_get_parent(bus), child, 259187517Sgonzo type, rid, r)); 260187517Sgonzo} 261187517Sgonzo 262187517Sgonzostatic int 263187517Sgonzoapb_release_resource(device_t dev, device_t child, int type, 264187517Sgonzo int rid, struct resource *r) 265187517Sgonzo{ 266187517Sgonzo struct resource_list *rl; 267187517Sgonzo struct resource_list_entry *rle; 268187517Sgonzo 269187517Sgonzo rl = apb_get_resource_list(dev, child); 270187517Sgonzo if (rl == NULL) 271187517Sgonzo return (EINVAL); 272187517Sgonzo rle = resource_list_find(rl, type, rid); 273187517Sgonzo if (rle == NULL) 274187517Sgonzo return (EINVAL); 275187517Sgonzo rman_release_resource(r); 276187517Sgonzo rle->res = NULL; 277187517Sgonzo 278187517Sgonzo return (0); 279187517Sgonzo} 280187517Sgonzo 281187517Sgonzostatic int 282187517Sgonzoapb_setup_intr(device_t bus, device_t child, struct resource *ires, 283187517Sgonzo int flags, driver_filter_t *filt, driver_intr_t *handler, 284187517Sgonzo void *arg, void **cookiep) 285187517Sgonzo{ 286187517Sgonzo struct apb_softc *sc = device_get_softc(bus); 287187517Sgonzo struct intr_event *event; 288187517Sgonzo int irq, error; 289187517Sgonzo 290187517Sgonzo irq = rman_get_start(ires); 291187517Sgonzo 292187517Sgonzo if (irq > APB_IRQ_END) 293187517Sgonzo panic("%s: bad irq %d", __func__, irq); 294187517Sgonzo 295187517Sgonzo event = sc->sc_eventstab[irq]; 296187517Sgonzo if (event == NULL) { 297187517Sgonzo error = intr_event_create(&event, (void *)irq, 0, irq, 298192822Sgonzo apb_mask_irq, apb_unmask_irq, 299187517Sgonzo NULL, NULL, 300187517Sgonzo "apb intr%d:", irq); 301187517Sgonzo 302199497Sgonzo if (error == 0) { 303199497Sgonzo sc->sc_eventstab[irq] = event; 304199497Sgonzo sc->sc_intr_counter[irq] = 305199497Sgonzo mips_intrcnt_create(event->ie_name); 306199497Sgonzo } 307199497Sgonzo else 308199497Sgonzo return (error); 309187517Sgonzo } 310187517Sgonzo 311187517Sgonzo intr_event_add_handler(event, device_get_nameunit(child), filt, 312187517Sgonzo handler, arg, intr_priority(flags), flags, cookiep); 313199497Sgonzo mips_intrcnt_setname(sc->sc_intr_counter[irq], event->ie_fullname); 314187517Sgonzo 315192822Sgonzo apb_unmask_irq((void*)irq); 316191837Sgonzo 317187517Sgonzo return (0); 318187517Sgonzo} 319187517Sgonzo 320187517Sgonzostatic int 321187517Sgonzoapb_teardown_intr(device_t dev, device_t child, struct resource *ires, 322187517Sgonzo void *cookie) 323187517Sgonzo{ 324187517Sgonzo struct apb_softc *sc = device_get_softc(dev); 325187517Sgonzo int irq, result; 326187517Sgonzo 327187517Sgonzo irq = rman_get_start(ires); 328187517Sgonzo if (irq > APB_IRQ_END) 329187517Sgonzo panic("%s: bad irq %d", __func__, irq); 330187517Sgonzo 331187517Sgonzo if (sc->sc_eventstab[irq] == NULL) 332187517Sgonzo panic("Trying to teardown unoccupied IRQ"); 333187517Sgonzo 334192822Sgonzo apb_mask_irq((void*)irq); 335187517Sgonzo 336187517Sgonzo result = intr_event_remove_handler(cookie); 337187517Sgonzo if (!result) 338187517Sgonzo sc->sc_eventstab[irq] = NULL; 339187517Sgonzo 340187517Sgonzo return (result); 341187517Sgonzo} 342187517Sgonzo 343187517Sgonzostatic int 344232847Sgonzoapb_filter(void *arg) 345187517Sgonzo{ 346187517Sgonzo struct apb_softc *sc = arg; 347187517Sgonzo struct intr_event *event; 348187517Sgonzo uint32_t reg, irq; 349232847Sgonzo struct thread *td; 350233104Sgonzo struct trapframe *tf; 351187517Sgonzo 352187517Sgonzo reg = ATH_READ_REG(AR71XX_MISC_INTR_STATUS); 353187517Sgonzo for (irq = 0; irq < APB_NIRQS; irq++) { 354187517Sgonzo if (reg & (1 << irq)) { 355221257Sadrian 356221257Sadrian switch (ar71xx_soc) { 357221257Sadrian case AR71XX_SOC_AR7240: 358221257Sadrian case AR71XX_SOC_AR7241: 359221257Sadrian case AR71XX_SOC_AR7242: 360249119Sadrian case AR71XX_SOC_AR9330: 361249119Sadrian case AR71XX_SOC_AR9331: 362256174Sadrian case AR71XX_SOC_AR9341: 363256174Sadrian case AR71XX_SOC_AR9342: 364256174Sadrian case AR71XX_SOC_AR9344: 365221257Sadrian /* Ack/clear the irq on status register for AR724x */ 366221257Sadrian ATH_WRITE_REG(AR71XX_MISC_INTR_STATUS, 367221257Sadrian reg & ~(1 << irq)); 368221257Sadrian break; 369221257Sadrian default: 370221257Sadrian /* fallthrough */ 371221257Sadrian break; 372221257Sadrian } 373221257Sadrian 374187517Sgonzo event = sc->sc_eventstab[irq]; 375187517Sgonzo if (!event || TAILQ_EMPTY(&event->ie_handlers)) { 376232847Sgonzo if (irq == APB_INTR_PMC) { 377233104Sgonzo td = PCPU_GET(curthread); 378233104Sgonzo tf = td->td_intr_frame; 379233104Sgonzo 380233318Sgonzo if (pmc_intr) 381233318Sgonzo (*pmc_intr)(PCPU_GET(cpuid), tf); 382233318Sgonzo 383232847Sgonzo mips_intrcnt_inc(sc->sc_intr_counter[irq]); 384232847Sgonzo 385232847Sgonzo continue; 386232847Sgonzo } 387191837Sgonzo /* Ignore timer interrupts */ 388191837Sgonzo if (irq != 0) 389199497Sgonzo printf("Stray APB IRQ %d\n", irq); 390187517Sgonzo continue; 391187517Sgonzo } 392187517Sgonzo 393232847Sgonzo intr_event_handle(event, PCPU_GET(curthread)->td_intr_frame); 394199497Sgonzo mips_intrcnt_inc(sc->sc_intr_counter[irq]); 395187517Sgonzo } 396187517Sgonzo } 397187517Sgonzo 398187517Sgonzo return (FILTER_HANDLED); 399187517Sgonzo} 400187517Sgonzo 401187517Sgonzostatic void 402187517Sgonzoapb_hinted_child(device_t bus, const char *dname, int dunit) 403187517Sgonzo{ 404187517Sgonzo device_t child; 405187517Sgonzo long maddr; 406187517Sgonzo int msize; 407187517Sgonzo int irq; 408187517Sgonzo int result; 409187517Sgonzo int mem_hints_count; 410187517Sgonzo 411187517Sgonzo child = BUS_ADD_CHILD(bus, 0, dname, dunit); 412187517Sgonzo 413187517Sgonzo /* 414187517Sgonzo * Set hard-wired resources for hinted child using 415187517Sgonzo * specific RIDs. 416187517Sgonzo */ 417187517Sgonzo mem_hints_count = 0; 418187517Sgonzo if (resource_long_value(dname, dunit, "maddr", &maddr) == 0) 419187517Sgonzo mem_hints_count++; 420187517Sgonzo if (resource_int_value(dname, dunit, "msize", &msize) == 0) 421187517Sgonzo mem_hints_count++; 422187517Sgonzo 423187517Sgonzo /* check if all info for mem resource has been provided */ 424187517Sgonzo if ((mem_hints_count > 0) && (mem_hints_count < 2)) { 425187517Sgonzo printf("Either maddr or msize hint is missing for %s%d\n", 426187517Sgonzo dname, dunit); 427187517Sgonzo } else if (mem_hints_count) { 428187517Sgonzo result = bus_set_resource(child, SYS_RES_MEMORY, 0, 429187517Sgonzo maddr, msize); 430187517Sgonzo if (result != 0) 431187517Sgonzo device_printf(bus, 432187517Sgonzo "warning: bus_set_resource() failed\n"); 433187517Sgonzo } 434187517Sgonzo 435187517Sgonzo if (resource_int_value(dname, dunit, "irq", &irq) == 0) { 436187517Sgonzo result = bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1); 437187517Sgonzo if (result != 0) 438187517Sgonzo device_printf(bus, 439187517Sgonzo "warning: bus_set_resource() failed\n"); 440187517Sgonzo } 441187517Sgonzo} 442187517Sgonzo 443187517Sgonzostatic device_t 444212413Savgapb_add_child(device_t bus, u_int order, const char *name, int unit) 445187517Sgonzo{ 446187517Sgonzo device_t child; 447187517Sgonzo struct apb_ivar *ivar; 448187517Sgonzo 449187517Sgonzo ivar = malloc(sizeof(struct apb_ivar), M_DEVBUF, M_WAITOK | M_ZERO); 450187517Sgonzo if (ivar == NULL) { 451187517Sgonzo printf("Failed to allocate ivar\n"); 452187517Sgonzo return (0); 453187517Sgonzo } 454187517Sgonzo resource_list_init(&ivar->resources); 455187517Sgonzo 456187517Sgonzo child = device_add_child_ordered(bus, order, name, unit); 457187517Sgonzo if (child == NULL) { 458187517Sgonzo printf("Can't add child %s%d ordered\n", name, unit); 459187517Sgonzo return (0); 460187517Sgonzo } 461187517Sgonzo 462187517Sgonzo device_set_ivars(child, ivar); 463187517Sgonzo 464187517Sgonzo return (child); 465187517Sgonzo} 466187517Sgonzo 467187517Sgonzo/* 468187517Sgonzo * Helper routine for bus_generic_rl_get_resource/bus_generic_rl_set_resource 469187517Sgonzo * Provides pointer to resource_list for these routines 470187517Sgonzo */ 471187517Sgonzostatic struct resource_list * 472187517Sgonzoapb_get_resource_list(device_t dev, device_t child) 473187517Sgonzo{ 474187517Sgonzo struct apb_ivar *ivar; 475187517Sgonzo 476187517Sgonzo ivar = device_get_ivars(child); 477187517Sgonzo return (&(ivar->resources)); 478187517Sgonzo} 479187517Sgonzo 480187517Sgonzostatic device_method_t apb_methods[] = { 481187517Sgonzo DEVMETHOD(bus_activate_resource, apb_activate_resource), 482187517Sgonzo DEVMETHOD(bus_add_child, apb_add_child), 483187517Sgonzo DEVMETHOD(bus_alloc_resource, apb_alloc_resource), 484187517Sgonzo DEVMETHOD(bus_deactivate_resource, apb_deactivate_resource), 485187517Sgonzo DEVMETHOD(bus_get_resource_list, apb_get_resource_list), 486187517Sgonzo DEVMETHOD(bus_hinted_child, apb_hinted_child), 487187517Sgonzo DEVMETHOD(bus_release_resource, apb_release_resource), 488187517Sgonzo DEVMETHOD(bus_setup_intr, apb_setup_intr), 489187517Sgonzo DEVMETHOD(bus_teardown_intr, apb_teardown_intr), 490187517Sgonzo DEVMETHOD(device_attach, apb_attach), 491187517Sgonzo DEVMETHOD(device_probe, apb_probe), 492187517Sgonzo DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), 493187517Sgonzo DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), 494187517Sgonzo 495227843Smarius DEVMETHOD_END 496187517Sgonzo}; 497187517Sgonzo 498187517Sgonzostatic driver_t apb_driver = { 499187517Sgonzo "apb", 500187517Sgonzo apb_methods, 501187517Sgonzo sizeof(struct apb_softc), 502187517Sgonzo}; 503187517Sgonzostatic devclass_t apb_devclass; 504187517Sgonzo 505187517SgonzoDRIVER_MODULE(apb, nexus, apb_driver, apb_devclass, 0, 0); 506