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 60263279Sadrian#define DEVTOAPB(dev) ((struct apb_ivar *) device_get_ivars(dev)) 61263279Sadrian 62187517Sgonzostatic int apb_activate_resource(device_t, device_t, int, int, 63187517Sgonzo struct resource *); 64212413Savgstatic device_t apb_add_child(device_t, u_int, const char *, int); 65187517Sgonzostatic struct resource * 66294883Sjhibbits apb_alloc_resource(device_t, device_t, int, int *, rman_res_t, 67294883Sjhibbits rman_res_t, rman_res_t, u_int); 68187517Sgonzostatic int apb_attach(device_t); 69187517Sgonzostatic int apb_deactivate_resource(device_t, device_t, int, int, 70187517Sgonzo struct resource *); 71187517Sgonzostatic struct resource_list * 72187517Sgonzo apb_get_resource_list(device_t, device_t); 73187517Sgonzostatic void apb_hinted_child(device_t, const char *, int); 74232847Sgonzostatic int apb_filter(void *); 75187517Sgonzostatic int apb_probe(device_t); 76187517Sgonzostatic int apb_release_resource(device_t, device_t, int, int, 77187517Sgonzo struct resource *); 78187517Sgonzostatic int apb_setup_intr(device_t, device_t, struct resource *, int, 79187517Sgonzo driver_filter_t *, driver_intr_t *, void *, void **); 80187517Sgonzostatic int apb_teardown_intr(device_t, device_t, struct resource *, 81187517Sgonzo void *); 82187517Sgonzo 83192822Sgonzostatic void 84192822Sgonzoapb_mask_irq(void *source) 85187517Sgonzo{ 86192822Sgonzo unsigned int irq = (unsigned int)source; 87187517Sgonzo uint32_t reg; 88187517Sgonzo 89187517Sgonzo reg = ATH_READ_REG(AR71XX_MISC_INTR_MASK); 90187517Sgonzo ATH_WRITE_REG(AR71XX_MISC_INTR_MASK, reg & ~(1 << irq)); 91187517Sgonzo 92187517Sgonzo} 93187517Sgonzo 94192822Sgonzostatic void 95192822Sgonzoapb_unmask_irq(void *source) 96187517Sgonzo{ 97187517Sgonzo uint32_t reg; 98192822Sgonzo unsigned int irq = (unsigned int)source; 99187517Sgonzo 100187517Sgonzo reg = ATH_READ_REG(AR71XX_MISC_INTR_MASK); 101187517Sgonzo ATH_WRITE_REG(AR71XX_MISC_INTR_MASK, reg | (1 << irq)); 102187517Sgonzo} 103187517Sgonzo 104187517Sgonzostatic int 105187517Sgonzoapb_probe(device_t dev) 106187517Sgonzo{ 107187517Sgonzo 108257338Snwhitehorn return (BUS_PROBE_NOWILDCARD); 109187517Sgonzo} 110187517Sgonzo 111187517Sgonzostatic int 112187517Sgonzoapb_attach(device_t dev) 113187517Sgonzo{ 114187517Sgonzo struct apb_softc *sc = device_get_softc(dev); 115187517Sgonzo int rid = 0; 116187517Sgonzo 117187517Sgonzo device_set_desc(dev, "APB Bus bridge"); 118191837Sgonzo 119191837Sgonzo sc->apb_mem_rman.rm_type = RMAN_ARRAY; 120191837Sgonzo sc->apb_mem_rman.rm_descr = "APB memory window"; 121191837Sgonzo 122191837Sgonzo if (rman_init(&sc->apb_mem_rman) != 0 || 123191837Sgonzo rman_manage_region(&sc->apb_mem_rman, 124191837Sgonzo AR71XX_APB_BASE, 125191837Sgonzo AR71XX_APB_BASE + AR71XX_APB_SIZE - 1) != 0) 126191837Sgonzo panic("apb_attach: failed to set up memory rman"); 127191837Sgonzo 128187517Sgonzo sc->apb_irq_rman.rm_type = RMAN_ARRAY; 129187517Sgonzo sc->apb_irq_rman.rm_descr = "APB IRQ"; 130187517Sgonzo 131187517Sgonzo if (rman_init(&sc->apb_irq_rman) != 0 || 132187517Sgonzo rman_manage_region(&sc->apb_irq_rman, 133187517Sgonzo APB_IRQ_BASE, APB_IRQ_END) != 0) 134187517Sgonzo panic("apb_attach: failed to set up IRQ rman"); 135187517Sgonzo 136187517Sgonzo if ((sc->sc_misc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 137187517Sgonzo RF_SHAREABLE | RF_ACTIVE)) == NULL) { 138187517Sgonzo device_printf(dev, "unable to allocate IRQ resource\n"); 139187517Sgonzo return (ENXIO); 140187517Sgonzo } 141187517Sgonzo 142187517Sgonzo if ((bus_setup_intr(dev, sc->sc_misc_irq, INTR_TYPE_MISC, 143232847Sgonzo apb_filter, NULL, sc, &sc->sc_misc_ih))) { 144187517Sgonzo device_printf(dev, 145187517Sgonzo "WARNING: unable to register interrupt handler\n"); 146187517Sgonzo return (ENXIO); 147187517Sgonzo } 148187517Sgonzo 149187517Sgonzo bus_generic_probe(dev); 150187517Sgonzo bus_enumerate_hinted_children(dev); 151187517Sgonzo bus_generic_attach(dev); 152187517Sgonzo 153232847Sgonzo /* 154232847Sgonzo * Unmask performance counter IRQ 155232847Sgonzo */ 156232847Sgonzo apb_unmask_irq((void*)APB_INTR_PMC); 157232847Sgonzo sc->sc_intr_counter[APB_INTR_PMC] = mips_intrcnt_create("apb irq5: pmc"); 158232847Sgonzo 159187517Sgonzo return (0); 160187517Sgonzo} 161187517Sgonzo 162187517Sgonzostatic struct resource * 163187517Sgonzoapb_alloc_resource(device_t bus, device_t child, int type, int *rid, 164294883Sjhibbits rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 165187517Sgonzo{ 166187517Sgonzo struct apb_softc *sc = device_get_softc(bus); 167187517Sgonzo struct apb_ivar *ivar = device_get_ivars(child); 168187517Sgonzo struct resource *rv; 169187517Sgonzo struct resource_list_entry *rle; 170187517Sgonzo struct rman *rm; 171187517Sgonzo int isdefault, needactivate, passthrough; 172187517Sgonzo 173295832Sjhibbits isdefault = (RMAN_IS_DEFAULT_RANGE(start, end)); 174187517Sgonzo needactivate = flags & RF_ACTIVE; 175188883Sgonzo /* 176188883Sgonzo * Pass memory requests to nexus device 177188883Sgonzo */ 178191837Sgonzo passthrough = (device_get_parent(child) != bus); 179187517Sgonzo rle = NULL; 180187517Sgonzo 181297000Sjhibbits dprintf("%s: entry (%p, %p, %d, %d, %p, %p, %jd, %d)\n", 182191837Sgonzo __func__, bus, child, type, *rid, (void *)(intptr_t)start, 183188883Sgonzo (void *)(intptr_t)end, count, flags); 184188883Sgonzo 185187517Sgonzo if (passthrough) 186187517Sgonzo return (BUS_ALLOC_RESOURCE(device_get_parent(bus), child, type, 187187517Sgonzo rid, start, end, count, flags)); 188187517Sgonzo 189187517Sgonzo /* 190187517Sgonzo * If this is an allocation of the "default" range for a given RID, 191187517Sgonzo * and we know what the resources for this device are (ie. they aren't 192187517Sgonzo * maintained by a child bus), then work out the start/end values. 193187517Sgonzo */ 194187517Sgonzo 195187517Sgonzo if (isdefault) { 196187517Sgonzo rle = resource_list_find(&ivar->resources, type, *rid); 197187517Sgonzo if (rle == NULL) { 198187517Sgonzo return (NULL); 199187517Sgonzo } 200187517Sgonzo 201187517Sgonzo if (rle->res != NULL) { 202187517Sgonzo panic("%s: resource entry is busy", __func__); 203187517Sgonzo } 204187517Sgonzo start = rle->start; 205187517Sgonzo end = rle->end; 206187517Sgonzo count = rle->count; 207188883Sgonzo 208188883Sgonzo dprintf("%s: default resource (%p, %p, %ld)\n", 209188883Sgonzo __func__, (void *)(intptr_t)start, 210188883Sgonzo (void *)(intptr_t)end, count); 211187517Sgonzo } 212187517Sgonzo 213187517Sgonzo switch (type) { 214187517Sgonzo case SYS_RES_IRQ: 215187517Sgonzo rm = &sc->apb_irq_rman; 216187517Sgonzo break; 217191837Sgonzo case SYS_RES_MEMORY: 218191837Sgonzo rm = &sc->apb_mem_rman; 219191837Sgonzo break; 220187517Sgonzo default: 221187517Sgonzo printf("%s: unknown resource type %d\n", __func__, type); 222187517Sgonzo return (0); 223187517Sgonzo } 224187517Sgonzo 225187517Sgonzo rv = rman_reserve_resource(rm, start, end, count, flags, child); 226298053Spfg if (rv == NULL) { 227187517Sgonzo printf("%s: could not reserve resource\n", __func__); 228187517Sgonzo return (0); 229187517Sgonzo } 230187517Sgonzo 231187517Sgonzo rman_set_rid(rv, *rid); 232187517Sgonzo 233187517Sgonzo if (needactivate) { 234187517Sgonzo if (bus_activate_resource(child, type, *rid, rv)) { 235187517Sgonzo printf("%s: could not activate resource\n", __func__); 236187517Sgonzo rman_release_resource(rv); 237187517Sgonzo return (0); 238187517Sgonzo } 239187517Sgonzo } 240187517Sgonzo 241187517Sgonzo return (rv); 242187517Sgonzo} 243187517Sgonzo 244187517Sgonzostatic int 245187517Sgonzoapb_activate_resource(device_t bus, device_t child, int type, int rid, 246187517Sgonzo struct resource *r) 247187517Sgonzo{ 248187517Sgonzo 249187517Sgonzo /* XXX: should we mask/unmask IRQ here? */ 250187517Sgonzo return (BUS_ACTIVATE_RESOURCE(device_get_parent(bus), child, 251187517Sgonzo type, rid, r)); 252187517Sgonzo} 253187517Sgonzo 254187517Sgonzostatic int 255187517Sgonzoapb_deactivate_resource(device_t bus, device_t child, int type, int rid, 256187517Sgonzo struct resource *r) 257187517Sgonzo{ 258187517Sgonzo 259187517Sgonzo /* XXX: should we mask/unmask IRQ here? */ 260187517Sgonzo return (BUS_DEACTIVATE_RESOURCE(device_get_parent(bus), child, 261187517Sgonzo type, rid, r)); 262187517Sgonzo} 263187517Sgonzo 264187517Sgonzostatic int 265187517Sgonzoapb_release_resource(device_t dev, device_t child, int type, 266187517Sgonzo int rid, struct resource *r) 267187517Sgonzo{ 268187517Sgonzo struct resource_list *rl; 269187517Sgonzo struct resource_list_entry *rle; 270187517Sgonzo 271187517Sgonzo rl = apb_get_resource_list(dev, child); 272187517Sgonzo if (rl == NULL) 273187517Sgonzo return (EINVAL); 274187517Sgonzo rle = resource_list_find(rl, type, rid); 275187517Sgonzo if (rle == NULL) 276187517Sgonzo return (EINVAL); 277187517Sgonzo rman_release_resource(r); 278187517Sgonzo rle->res = NULL; 279187517Sgonzo 280187517Sgonzo return (0); 281187517Sgonzo} 282187517Sgonzo 283187517Sgonzostatic int 284187517Sgonzoapb_setup_intr(device_t bus, device_t child, struct resource *ires, 285187517Sgonzo int flags, driver_filter_t *filt, driver_intr_t *handler, 286187517Sgonzo void *arg, void **cookiep) 287187517Sgonzo{ 288187517Sgonzo struct apb_softc *sc = device_get_softc(bus); 289187517Sgonzo struct intr_event *event; 290187517Sgonzo int irq, error; 291187517Sgonzo 292187517Sgonzo irq = rman_get_start(ires); 293187517Sgonzo 294187517Sgonzo if (irq > APB_IRQ_END) 295187517Sgonzo panic("%s: bad irq %d", __func__, irq); 296187517Sgonzo 297187517Sgonzo event = sc->sc_eventstab[irq]; 298187517Sgonzo if (event == NULL) { 299187517Sgonzo error = intr_event_create(&event, (void *)irq, 0, irq, 300192822Sgonzo apb_mask_irq, apb_unmask_irq, 301187517Sgonzo NULL, NULL, 302187517Sgonzo "apb intr%d:", irq); 303187517Sgonzo 304199497Sgonzo if (error == 0) { 305199497Sgonzo sc->sc_eventstab[irq] = event; 306199497Sgonzo sc->sc_intr_counter[irq] = 307199497Sgonzo mips_intrcnt_create(event->ie_name); 308199497Sgonzo } 309199497Sgonzo else 310199497Sgonzo return (error); 311187517Sgonzo } 312187517Sgonzo 313187517Sgonzo intr_event_add_handler(event, device_get_nameunit(child), filt, 314187517Sgonzo handler, arg, intr_priority(flags), flags, cookiep); 315199497Sgonzo mips_intrcnt_setname(sc->sc_intr_counter[irq], event->ie_fullname); 316187517Sgonzo 317192822Sgonzo apb_unmask_irq((void*)irq); 318191837Sgonzo 319187517Sgonzo return (0); 320187517Sgonzo} 321187517Sgonzo 322187517Sgonzostatic int 323187517Sgonzoapb_teardown_intr(device_t dev, device_t child, struct resource *ires, 324187517Sgonzo void *cookie) 325187517Sgonzo{ 326187517Sgonzo struct apb_softc *sc = device_get_softc(dev); 327187517Sgonzo int irq, result; 328187517Sgonzo 329187517Sgonzo irq = rman_get_start(ires); 330187517Sgonzo if (irq > APB_IRQ_END) 331187517Sgonzo panic("%s: bad irq %d", __func__, irq); 332187517Sgonzo 333187517Sgonzo if (sc->sc_eventstab[irq] == NULL) 334187517Sgonzo panic("Trying to teardown unoccupied IRQ"); 335187517Sgonzo 336192822Sgonzo apb_mask_irq((void*)irq); 337187517Sgonzo 338187517Sgonzo result = intr_event_remove_handler(cookie); 339187517Sgonzo if (!result) 340187517Sgonzo sc->sc_eventstab[irq] = NULL; 341187517Sgonzo 342187517Sgonzo return (result); 343187517Sgonzo} 344187517Sgonzo 345187517Sgonzostatic int 346232847Sgonzoapb_filter(void *arg) 347187517Sgonzo{ 348187517Sgonzo struct apb_softc *sc = arg; 349187517Sgonzo struct intr_event *event; 350187517Sgonzo uint32_t reg, irq; 351232847Sgonzo struct thread *td; 352233104Sgonzo struct trapframe *tf; 353187517Sgonzo 354187517Sgonzo reg = ATH_READ_REG(AR71XX_MISC_INTR_STATUS); 355187517Sgonzo for (irq = 0; irq < APB_NIRQS; irq++) { 356187517Sgonzo if (reg & (1 << irq)) { 357221257Sadrian 358221257Sadrian switch (ar71xx_soc) { 359221257Sadrian case AR71XX_SOC_AR7240: 360221257Sadrian case AR71XX_SOC_AR7241: 361221257Sadrian case AR71XX_SOC_AR7242: 362249119Sadrian case AR71XX_SOC_AR9330: 363249119Sadrian case AR71XX_SOC_AR9331: 364256174Sadrian case AR71XX_SOC_AR9341: 365256174Sadrian case AR71XX_SOC_AR9342: 366256174Sadrian case AR71XX_SOC_AR9344: 367290918Sadrian case AR71XX_SOC_QCA9533: 368290918Sadrian case AR71XX_SOC_QCA9533_V2: 369276684Sadrian case AR71XX_SOC_QCA9556: 370276684Sadrian case AR71XX_SOC_QCA9558: 371263228Sadrian /* ACK/clear the given interrupt */ 372221257Sadrian ATH_WRITE_REG(AR71XX_MISC_INTR_STATUS, 373263228Sadrian (1 << irq)); 374221257Sadrian break; 375221257Sadrian default: 376221257Sadrian /* fallthrough */ 377221257Sadrian break; 378221257Sadrian } 379221257Sadrian 380187517Sgonzo event = sc->sc_eventstab[irq]; 381292246Sadrian /* always count interrupts; spurious or otherwise */ 382292246Sadrian mips_intrcnt_inc(sc->sc_intr_counter[irq]); 383187517Sgonzo if (!event || TAILQ_EMPTY(&event->ie_handlers)) { 384232847Sgonzo if (irq == APB_INTR_PMC) { 385233104Sgonzo td = PCPU_GET(curthread); 386233104Sgonzo tf = td->td_intr_frame; 387233104Sgonzo 388233318Sgonzo if (pmc_intr) 389233318Sgonzo (*pmc_intr)(PCPU_GET(cpuid), tf); 390232847Sgonzo continue; 391232847Sgonzo } 392191837Sgonzo /* Ignore timer interrupts */ 393263228Sadrian if (irq != 0 && irq != 8 && irq != 9 && irq != 10) 394199497Sgonzo printf("Stray APB IRQ %d\n", irq); 395187517Sgonzo continue; 396187517Sgonzo } 397187517Sgonzo 398232847Sgonzo intr_event_handle(event, PCPU_GET(curthread)->td_intr_frame); 399187517Sgonzo } 400187517Sgonzo } 401187517Sgonzo 402187517Sgonzo return (FILTER_HANDLED); 403187517Sgonzo} 404187517Sgonzo 405187517Sgonzostatic void 406187517Sgonzoapb_hinted_child(device_t bus, const char *dname, int dunit) 407187517Sgonzo{ 408187517Sgonzo device_t child; 409187517Sgonzo long maddr; 410187517Sgonzo int msize; 411187517Sgonzo int irq; 412187517Sgonzo int result; 413187517Sgonzo int mem_hints_count; 414187517Sgonzo 415187517Sgonzo child = BUS_ADD_CHILD(bus, 0, dname, dunit); 416187517Sgonzo 417187517Sgonzo /* 418187517Sgonzo * Set hard-wired resources for hinted child using 419187517Sgonzo * specific RIDs. 420187517Sgonzo */ 421187517Sgonzo mem_hints_count = 0; 422187517Sgonzo if (resource_long_value(dname, dunit, "maddr", &maddr) == 0) 423187517Sgonzo mem_hints_count++; 424187517Sgonzo if (resource_int_value(dname, dunit, "msize", &msize) == 0) 425187517Sgonzo mem_hints_count++; 426187517Sgonzo 427187517Sgonzo /* check if all info for mem resource has been provided */ 428187517Sgonzo if ((mem_hints_count > 0) && (mem_hints_count < 2)) { 429187517Sgonzo printf("Either maddr or msize hint is missing for %s%d\n", 430187517Sgonzo dname, dunit); 431187517Sgonzo } else if (mem_hints_count) { 432187517Sgonzo result = bus_set_resource(child, SYS_RES_MEMORY, 0, 433187517Sgonzo maddr, msize); 434187517Sgonzo if (result != 0) 435187517Sgonzo device_printf(bus, 436187517Sgonzo "warning: bus_set_resource() failed\n"); 437187517Sgonzo } 438187517Sgonzo 439187517Sgonzo if (resource_int_value(dname, dunit, "irq", &irq) == 0) { 440187517Sgonzo result = bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1); 441187517Sgonzo if (result != 0) 442187517Sgonzo device_printf(bus, 443187517Sgonzo "warning: bus_set_resource() failed\n"); 444187517Sgonzo } 445187517Sgonzo} 446187517Sgonzo 447187517Sgonzostatic device_t 448212413Savgapb_add_child(device_t bus, u_int order, const char *name, int unit) 449187517Sgonzo{ 450187517Sgonzo device_t child; 451187517Sgonzo struct apb_ivar *ivar; 452187517Sgonzo 453187517Sgonzo ivar = malloc(sizeof(struct apb_ivar), M_DEVBUF, M_WAITOK | M_ZERO); 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 480263279Sadrianstatic int 481263279Sadrianapb_print_all_resources(device_t dev) 482263279Sadrian{ 483263279Sadrian struct apb_ivar *ndev = DEVTOAPB(dev); 484263279Sadrian struct resource_list *rl = &ndev->resources; 485263279Sadrian int retval = 0; 486263279Sadrian 487263279Sadrian if (STAILQ_FIRST(rl)) 488263279Sadrian retval += printf(" at"); 489263279Sadrian 490297199Sjhibbits retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 491297199Sjhibbits retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 492263279Sadrian 493263279Sadrian return (retval); 494263279Sadrian} 495263279Sadrian 496263279Sadrianstatic int 497263279Sadrianapb_print_child(device_t bus, device_t child) 498263279Sadrian{ 499263279Sadrian int retval = 0; 500263279Sadrian 501263279Sadrian retval += bus_print_child_header(bus, child); 502263279Sadrian retval += apb_print_all_resources(child); 503263279Sadrian if (device_get_flags(child)) 504263279Sadrian retval += printf(" flags %#x", device_get_flags(child)); 505263279Sadrian retval += printf(" on %s\n", device_get_nameunit(bus)); 506263279Sadrian 507263279Sadrian return (retval); 508263279Sadrian} 509263279Sadrian 510263279Sadrian 511187517Sgonzostatic device_method_t apb_methods[] = { 512187517Sgonzo DEVMETHOD(bus_activate_resource, apb_activate_resource), 513187517Sgonzo DEVMETHOD(bus_add_child, apb_add_child), 514187517Sgonzo DEVMETHOD(bus_alloc_resource, apb_alloc_resource), 515187517Sgonzo DEVMETHOD(bus_deactivate_resource, apb_deactivate_resource), 516187517Sgonzo DEVMETHOD(bus_get_resource_list, apb_get_resource_list), 517187517Sgonzo DEVMETHOD(bus_hinted_child, apb_hinted_child), 518187517Sgonzo DEVMETHOD(bus_release_resource, apb_release_resource), 519187517Sgonzo DEVMETHOD(bus_setup_intr, apb_setup_intr), 520187517Sgonzo DEVMETHOD(bus_teardown_intr, apb_teardown_intr), 521187517Sgonzo DEVMETHOD(device_attach, apb_attach), 522187517Sgonzo DEVMETHOD(device_probe, apb_probe), 523187517Sgonzo DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), 524187517Sgonzo DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), 525263279Sadrian DEVMETHOD(bus_print_child, apb_print_child), 526187517Sgonzo 527227843Smarius DEVMETHOD_END 528187517Sgonzo}; 529187517Sgonzo 530187517Sgonzostatic driver_t apb_driver = { 531187517Sgonzo "apb", 532187517Sgonzo apb_methods, 533187517Sgonzo sizeof(struct apb_softc), 534187517Sgonzo}; 535187517Sgonzostatic devclass_t apb_devclass; 536187517Sgonzo 537187517SgonzoDRIVER_MODULE(apb, nexus, apb_driver, apb_devclass, 0, 0); 538