1166060Smarius/*- 2166060Smarius * Copyright (c) 2006 Marius Strobl <marius@FreeBSD.org> 3166060Smarius * All rights reserved. 4166060Smarius * 5166060Smarius * Redistribution and use in source and binary forms, with or without 6166060Smarius * modification, are permitted provided that the following conditions 7166060Smarius * are met: 8166060Smarius * 1. Redistributions of source code must retain the above copyright 9166060Smarius * notice, this list of conditions and the following disclaimer. 10166060Smarius * 2. Redistributions in binary form must reproduce the above copyright 11166060Smarius * notice, this list of conditions and the following disclaimer in the 12166060Smarius * documentation and/or other materials provided with the distribution. 13166060Smarius * 14166060Smarius * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15166060Smarius * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16166060Smarius * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17166060Smarius * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18166060Smarius * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19166060Smarius * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20166060Smarius * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21166060Smarius * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22166060Smarius * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23166060Smarius * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24166060Smarius * SUCH DAMAGE. 25166060Smarius */ 26166060Smarius 27166060Smarius#include <sys/cdefs.h> 28166060Smarius__FBSDID("$FreeBSD$"); 29166060Smarius 30166060Smarius#include <sys/param.h> 31166060Smarius#include <sys/systm.h> 32166060Smarius#include <sys/bus.h> 33166060Smarius#include <sys/kernel.h> 34166060Smarius#include <sys/module.h> 35166060Smarius#include <sys/resource.h> 36166060Smarius#include <sys/rman.h> 37166060Smarius 38166060Smarius#include <dev/ofw/ofw_bus.h> 39166060Smarius#include <dev/ofw/ofw_bus_subr.h> 40166060Smarius#include <dev/ofw/openfirm.h> 41166060Smarius 42166060Smarius#include <machine/bus.h> 43166060Smarius#include <machine/bus_common.h> 44178858Smarius#include <machine/intr_machdep.h> 45166060Smarius#include <machine/resource.h> 46166060Smarius 47166060Smarius#define UPA_NREG 3 48166060Smarius 49166060Smarius#define UPA_CFG 0 50166060Smarius#define UPA_IMR1 1 51166060Smarius#define UPA_IMR2 2 52166060Smarius 53166060Smarius/* UPA_CFG bank */ 54166060Smarius#define UPA_CFG_UPA0 0x00 /* UPA0 config register */ 55166060Smarius#define UPA_CFG_UPA1 0x08 /* UPA1 config register */ 56166060Smarius#define UPA_CFG_IF 0x10 /* interface config register */ 57166060Smarius#define UPA_CFG_IF_RST 0x00 58166060Smarius#define UPA_CFG_IF_POK_RST 0x02 59166060Smarius#define UPA_CFG_IF_POK 0x03 60166060Smarius#define UPA_CFG_ESTAR 0x18 /* Estar config register */ 61166060Smarius#define UPA_CFG_ESTAR_SPEED_FULL 0x01 62166060Smarius#define UPA_CFG_ESTAR_SPEED_1_2 0x02 63166060Smarius#define UPA_CFG_ESTAR_SPEED_1_64 0x40 64166060Smarius 65166060Smarius#define UPA_INO_BASE 0x2a 66172066Smarius#define UPA_INO_MAX 0x2b 67166060Smarius 68166060Smariusstruct upa_regs { 69166060Smarius uint64_t phys; 70166060Smarius uint64_t size; 71166060Smarius}; 72166060Smarius 73166060Smariusstruct upa_ranges { 74166060Smarius uint64_t child; 75166060Smarius uint64_t parent; 76166060Smarius uint64_t size; 77166060Smarius}; 78166060Smarius 79166060Smariusstruct upa_devinfo { 80166060Smarius struct ofw_bus_devinfo udi_obdinfo; 81166060Smarius struct resource_list udi_rl; 82166060Smarius}; 83166060Smarius 84166060Smariusstruct upa_softc { 85166060Smarius struct resource *sc_res[UPA_NREG]; 86166060Smarius bus_space_tag_t sc_bt[UPA_NREG]; 87166060Smarius bus_space_handle_t sc_bh[UPA_NREG]; 88166060Smarius 89166060Smarius uint32_t sc_ign; 90166060Smarius 91166060Smarius int sc_nrange; 92166060Smarius struct upa_ranges *sc_ranges; 93166060Smarius}; 94166060Smarius 95166060Smarius#define UPA_READ(sc, reg, off) \ 96166060Smarius bus_space_read_8((sc)->sc_bt[(reg)], (sc)->sc_bh[(reg)], (off)) 97166060Smarius#define UPA_WRITE(sc, reg, off, val) \ 98166060Smarius bus_space_write_8((sc)->sc_bt[(reg)], (sc)->sc_bh[(reg)], (off), (val)) 99166060Smarius 100166060Smariusstatic device_probe_t upa_probe; 101166060Smariusstatic device_attach_t upa_attach; 102225931Smariusstatic bus_print_child_t upa_print_child; 103225931Smariusstatic bus_probe_nomatch_t upa_probe_nomatch; 104166060Smariusstatic bus_alloc_resource_t upa_alloc_resource; 105225931Smariusstatic bus_adjust_resource_t upa_adjust_resource; 106166060Smariusstatic bus_setup_intr_t upa_setup_intr; 107166060Smariusstatic bus_get_resource_list_t upa_get_resource_list; 108166060Smariusstatic ofw_bus_get_devinfo_t upa_get_devinfo; 109166060Smarius 110172066Smariusstatic void upa_intr_enable(void *); 111172066Smariusstatic void upa_intr_disable(void *); 112178443Smariusstatic void upa_intr_assign(void *); 113166060Smariusstatic struct upa_devinfo *upa_setup_dinfo(device_t, struct upa_softc *, 114166060Smarius phandle_t, uint32_t); 115166060Smariusstatic void upa_destroy_dinfo(struct upa_devinfo *); 116166060Smariusstatic int upa_print_res(struct upa_devinfo *); 117166060Smarius 118166060Smariusstatic device_method_t upa_methods[] = { 119166060Smarius /* Device interface */ 120166060Smarius DEVMETHOD(device_probe, upa_probe), 121166060Smarius DEVMETHOD(device_attach, upa_attach), 122166060Smarius DEVMETHOD(device_shutdown, bus_generic_shutdown), 123166060Smarius DEVMETHOD(device_suspend, bus_generic_suspend), 124166060Smarius DEVMETHOD(device_resume, bus_generic_resume), 125166060Smarius 126166060Smarius /* Bus interface */ 127166060Smarius DEVMETHOD(bus_print_child, upa_print_child), 128166060Smarius DEVMETHOD(bus_probe_nomatch, upa_probe_nomatch), 129166060Smarius DEVMETHOD(bus_read_ivar, bus_generic_read_ivar), 130166060Smarius DEVMETHOD(bus_write_ivar, bus_generic_write_ivar), 131166060Smarius DEVMETHOD(bus_alloc_resource, upa_alloc_resource), 132166060Smarius DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 133166060Smarius DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 134225931Smarius DEVMETHOD(bus_adjust_resource, upa_adjust_resource), 135166060Smarius DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource), 136166060Smarius DEVMETHOD(bus_setup_intr, upa_setup_intr), 137166060Smarius DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 138166060Smarius DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), 139166060Smarius DEVMETHOD(bus_get_resource_list, upa_get_resource_list), 140190114Smarius DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str), 141166060Smarius 142166060Smarius /* ofw_bus interface */ 143166060Smarius DEVMETHOD(ofw_bus_get_devinfo, upa_get_devinfo), 144166060Smarius DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), 145166060Smarius DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), 146166060Smarius DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), 147166060Smarius DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), 148166060Smarius DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), 149166060Smarius 150227848Smarius DEVMETHOD_END 151166060Smarius}; 152166060Smarius 153166060Smariusstatic devclass_t upa_devclass; 154166060Smarius 155166060SmariusDEFINE_CLASS_0(upa, upa_driver, upa_methods, sizeof(struct upa_softc)); 156200874SmariusEARLY_DRIVER_MODULE(upa, nexus, upa_driver, upa_devclass, 0, 0, BUS_PASS_BUS); 157166060Smarius 158172066Smariusstatic const struct intr_controller upa_ic = { 159172066Smarius upa_intr_enable, 160172066Smarius upa_intr_disable, 161178443Smarius upa_intr_assign, 162172066Smarius /* The interrupts are pulse type and thus automatically cleared. */ 163172066Smarius NULL 164172066Smarius}; 165172066Smarius 166172066Smariusstruct upa_icarg { 167172066Smarius struct upa_softc *uica_sc; 168172066Smarius u_int uica_imr; 169172066Smarius}; 170172066Smarius 171166060Smariusstatic int 172166060Smariusupa_probe(device_t dev) 173166060Smarius{ 174166060Smarius const char* compat; 175166060Smarius 176166060Smarius compat = ofw_bus_get_compat(dev); 177166060Smarius if (compat != NULL && strcmp(ofw_bus_get_name(dev), "upa") == 0 && 178166060Smarius strcmp(compat, "upa64s") == 0) { 179166060Smarius device_set_desc(dev, "UPA bridge"); 180166060Smarius return (BUS_PROBE_DEFAULT); 181166060Smarius } 182166060Smarius return (ENXIO); 183166060Smarius} 184166060Smarius 185166060Smariusstatic int 186166060Smariusupa_attach(device_t dev) 187166060Smarius{ 188166060Smarius struct upa_devinfo *udi; 189172066Smarius struct upa_icarg *uica; 190166060Smarius struct upa_softc *sc; 191166060Smarius phandle_t child, node; 192166060Smarius device_t cdev; 193166060Smarius uint32_t portid; 194172066Smarius int i, imr, j, rid; 195166060Smarius#if 1 196169175Smarius device_t *children, schizo; 197294883Sjhibbits rman_res_t scount, sstart, ucount, ustart; 198172066Smarius int nchildren; 199166060Smarius#endif 200166060Smarius 201166060Smarius sc = device_get_softc(dev); 202166060Smarius node = ofw_bus_get_node(dev); 203166060Smarius for (i = UPA_CFG; i <= UPA_IMR2; i++) { 204166060Smarius rid = i; 205169175Smarius /* 206169175Smarius * The UPA_IMR{1,2} resources are shared with that of the 207169175Smarius * Schizo PCI bus B CSR bank. 208169175Smarius */ 209166060Smarius#if 0 210166060Smarius sc->sc_res[i] = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 211169175Smarius &rid, ((i == UPA_IMR1 || i == UPA_IMR2) ? RF_SHAREABLE : 212169175Smarius 0) | RF_ACTIVE); 213166060Smarius if (sc->sc_res[i] == NULL) { 214166060Smarius device_printf(dev, 215166060Smarius "could not allocate resource %d\n", i); 216166060Smarius goto fail; 217166060Smarius } 218166060Smarius sc->sc_bt[i] = rman_get_bustag(sc->sc_res[i]); 219166060Smarius sc->sc_bh[i] = rman_get_bushandle(sc->sc_res[i]); 220166060Smarius#else 221166060Smarius /* 222166060Smarius * Workaround for the fact that rman(9) only allows to 223166060Smarius * share resources of the same size. 224166060Smarius */ 225169175Smarius if (i == UPA_IMR1 || i == UPA_IMR2) { 226169175Smarius if (bus_get_resource(dev, SYS_RES_MEMORY, i, &ustart, 227169175Smarius &ucount) != 0) { 228169175Smarius device_printf(dev, 229169175Smarius "could not determine UPA resource\n"); 230169175Smarius goto fail; 231169175Smarius } 232166060Smarius if (device_get_children(device_get_parent(dev), 233166060Smarius &children, &nchildren) != 0) { 234166060Smarius device_printf(dev, "could not get children\n"); 235166060Smarius goto fail; 236166060Smarius } 237169175Smarius schizo = NULL; 238166060Smarius for (j = 0; j < nchildren; j++) { 239169175Smarius if (ofw_bus_get_type(children[j]) != NULL && 240169175Smarius strcmp(ofw_bus_get_type(children[j]), 241166060Smarius "pci") == 0 && 242169175Smarius ofw_bus_get_compat(children[j]) != NULL && 243169175Smarius strcmp(ofw_bus_get_compat(children[j]), 244166060Smarius "pci108e,8001") == 0 && 245169175Smarius ((bus_get_resource_start(children[j], 246166060Smarius SYS_RES_MEMORY, 0) >> 20) & 1) == 1) { 247190098Smarius schizo = children[j]; 248166060Smarius break; 249166060Smarius } 250166060Smarius } 251166060Smarius free(children, M_TEMP); 252166060Smarius if (schizo == NULL) { 253166060Smarius device_printf(dev, "could not find Schizo\n"); 254166060Smarius goto fail; 255166060Smarius } 256169175Smarius if (bus_get_resource(schizo, SYS_RES_MEMORY, 0, 257169175Smarius &sstart, &scount) != 0) { 258166060Smarius device_printf(dev, 259169175Smarius "could not determine Schizo resource\n"); 260166060Smarius goto fail; 261166060Smarius } 262169175Smarius sc->sc_res[i] = bus_alloc_resource(dev, SYS_RES_MEMORY, 263169175Smarius &rid, sstart, sstart + scount - 1, scount, 264169175Smarius RF_SHAREABLE | RF_ACTIVE); 265166060Smarius } else 266166060Smarius sc->sc_res[i] = bus_alloc_resource_any(dev, 267166060Smarius SYS_RES_MEMORY, &rid, RF_ACTIVE); 268166060Smarius if (sc->sc_res[i] == NULL) { 269166060Smarius device_printf(dev, 270166060Smarius "could not allocate resource %d\n", i); 271166060Smarius goto fail; 272166060Smarius } 273166060Smarius sc->sc_bt[i] = rman_get_bustag(sc->sc_res[i]); 274166060Smarius sc->sc_bh[i] = rman_get_bushandle(sc->sc_res[i]); 275169175Smarius if (i == UPA_IMR1 || i == UPA_IMR2) 276166060Smarius bus_space_subregion(sc->sc_bt[i], sc->sc_bh[i], 277169175Smarius ustart - sstart, ucount, &sc->sc_bh[i]); 278166060Smarius#endif 279166060Smarius } 280166060Smarius 281172066Smarius if (OF_getprop(node, "portid", &sc->sc_ign, sizeof(sc->sc_ign)) == -1) { 282172066Smarius device_printf(dev, "could not determine IGN\n"); 283166060Smarius goto fail; 284166060Smarius } 285166060Smarius 286166060Smarius sc->sc_nrange = OF_getprop_alloc(node, "ranges", sizeof(*sc->sc_ranges), 287166060Smarius (void **)&sc->sc_ranges); 288166060Smarius if (sc->sc_nrange == -1) { 289166060Smarius device_printf(dev, "could not determine ranges\n"); 290166060Smarius goto fail; 291166060Smarius } 292166060Smarius 293190098Smarius /* 294172066Smarius * Hunt through all the interrupt mapping regs and register our 295172066Smarius * interrupt controller for the corresponding interrupt vectors. 296190098Smarius * We do this early in order to be able to catch stray interrupts. 297172066Smarius */ 298172066Smarius for (i = UPA_INO_BASE; i <= UPA_INO_MAX; i++) { 299172066Smarius imr = 0; 300172066Smarius for (j = UPA_IMR1; j <= UPA_IMR2; j++) { 301172066Smarius if (INTVEC(UPA_READ(sc, j, 0x0)) == 302172066Smarius INTMAP_VEC(sc->sc_ign, i)) { 303172066Smarius imr = j; 304172066Smarius break; 305172066Smarius } 306172066Smarius } 307172066Smarius if (imr == 0) 308172066Smarius continue; 309172066Smarius uica = malloc(sizeof(*uica), M_DEVBUF, M_NOWAIT); 310172066Smarius if (uica == NULL) 311172066Smarius panic("%s: could not allocate interrupt controller " 312172066Smarius "argument", __func__); 313172066Smarius uica->uica_sc = sc; 314172066Smarius uica->uica_imr = imr; 315172066Smarius#ifdef UPA_DEBUG 316172066Smarius device_printf(dev, "intr map (INO %d) IMR%d: %#lx\n", 317172066Smarius i, imr, (u_long)UPA_READ(sc, imr, 0x0)); 318172066Smarius#endif 319190098Smarius j = intr_controller_register(INTMAP_VEC(sc->sc_ign, i), 320190098Smarius &upa_ic, uica); 321190098Smarius if (j != 0) 322190098Smarius device_printf(dev, "could not register interrupt " 323190098Smarius "controller for INO %d (%d)\n", i, j); 324172066Smarius } 325172066Smarius 326166060Smarius /* Make sure the power level is appropriate for normal operation. */ 327166060Smarius if (UPA_READ(sc, UPA_CFG, UPA_CFG_IF) != UPA_CFG_IF_POK) { 328166060Smarius if (bootverbose) 329166060Smarius device_printf(dev, "applying power\n"); 330166060Smarius UPA_WRITE(sc, UPA_CFG, UPA_CFG_ESTAR, UPA_CFG_ESTAR_SPEED_1_2); 331166060Smarius UPA_WRITE(sc, UPA_CFG, UPA_CFG_ESTAR, UPA_CFG_ESTAR_SPEED_FULL); 332166060Smarius (void)UPA_READ(sc, UPA_CFG, UPA_CFG_ESTAR); 333166060Smarius UPA_WRITE(sc, UPA_CFG, UPA_CFG_IF, UPA_CFG_IF_POK_RST); 334166060Smarius (void)UPA_READ(sc, UPA_CFG, UPA_CFG_IF); 335166060Smarius DELAY(20000); 336166060Smarius UPA_WRITE(sc, UPA_CFG, UPA_CFG_IF, UPA_CFG_IF_POK); 337166060Smarius (void)UPA_READ(sc, UPA_CFG, UPA_CFG_IF); 338166060Smarius } 339166060Smarius 340166060Smarius for (child = OF_child(node); child != 0; child = OF_peer(child)) { 341166060Smarius /* 342166060Smarius * The `upa-portid' properties of the children are used as 343172066Smarius * index for the interrupt mapping registers. 344166060Smarius * The `upa-portid' properties are also used to make up the 345166060Smarius * INOs of the children as the values contained in their 346166060Smarius * `interrupts' properties are bogus. 347166060Smarius */ 348166060Smarius if (OF_getprop(child, "upa-portid", &portid, 349166060Smarius sizeof(portid)) == -1) { 350166060Smarius device_printf(dev, 351166060Smarius "could not determine upa-portid of child 0x%lx\n", 352166060Smarius (unsigned long)child); 353190098Smarius continue; 354166060Smarius } 355166060Smarius if (portid > 1) { 356166060Smarius device_printf(dev, 357166060Smarius "upa-portid %d of child 0x%lx invalid\n", portid, 358166060Smarius (unsigned long)child); 359190098Smarius continue; 360166060Smarius } 361166060Smarius if ((udi = upa_setup_dinfo(dev, sc, child, portid)) == NULL) 362166060Smarius continue; 363172066Smarius if ((cdev = device_add_child(dev, NULL, -1)) == NULL) { 364166060Smarius device_printf(dev, "<%s>: device_add_child failed\n", 365166060Smarius udi->udi_obdinfo.obd_name); 366166060Smarius upa_destroy_dinfo(udi); 367166060Smarius continue; 368166060Smarius } 369166060Smarius device_set_ivars(cdev, udi); 370166060Smarius } 371166060Smarius 372166060Smarius return (bus_generic_attach(dev)); 373166060Smarius 374166060Smarius fail: 375166060Smarius for (i = UPA_CFG; i <= UPA_IMR2 && sc->sc_res[i] != NULL; i++) 376166060Smarius bus_release_resource(dev, SYS_RES_MEMORY, 377166060Smarius rman_get_rid(sc->sc_res[i]), sc->sc_res[i]); 378166060Smarius return (ENXIO); 379166060Smarius} 380166060Smarius 381166060Smariusstatic int 382166060Smariusupa_print_child(device_t dev, device_t child) 383166060Smarius{ 384166060Smarius int rv; 385166060Smarius 386166060Smarius rv = bus_print_child_header(dev, child); 387166060Smarius rv += upa_print_res(device_get_ivars(child)); 388166060Smarius rv += bus_print_child_footer(dev, child); 389166060Smarius return (rv); 390166060Smarius} 391166060Smarius 392166060Smariusstatic void 393166060Smariusupa_probe_nomatch(device_t dev, device_t child) 394166060Smarius{ 395166060Smarius const char *type; 396166060Smarius 397166060Smarius device_printf(dev, "<%s>", ofw_bus_get_name(child)); 398166060Smarius upa_print_res(device_get_ivars(child)); 399166060Smarius type = ofw_bus_get_type(child); 400166060Smarius printf(" type %s (no driver attached)\n", 401166060Smarius type != NULL ? type : "unknown"); 402166060Smarius} 403166060Smarius 404166060Smariusstatic struct resource * 405166060Smariusupa_alloc_resource(device_t dev, device_t child, int type, int *rid, 406294883Sjhibbits rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 407166060Smarius{ 408166060Smarius struct resource_list *rl; 409166060Smarius struct resource_list_entry *rle; 410166060Smarius struct upa_softc *sc; 411166060Smarius struct resource *rv; 412166060Smarius bus_addr_t cend, cstart; 413166060Smarius int i, isdefault, passthrough; 414166060Smarius 415295832Sjhibbits isdefault = RMAN_IS_DEFAULT_RANGE(start, end); 416166060Smarius passthrough = (device_get_parent(child) != dev); 417166060Smarius sc = device_get_softc(dev); 418166060Smarius rl = BUS_GET_RESOURCE_LIST(dev, child); 419166060Smarius rle = NULL; 420166060Smarius switch (type) { 421166060Smarius case SYS_RES_IRQ: 422166060Smarius return (resource_list_alloc(rl, dev, child, type, rid, start, 423166060Smarius end, count, flags)); 424166060Smarius case SYS_RES_MEMORY: 425166060Smarius if (!passthrough) { 426166060Smarius rle = resource_list_find(rl, type, *rid); 427166060Smarius if (rle == NULL) 428166060Smarius return (NULL); 429166060Smarius if (rle->res != NULL) 430166060Smarius panic("%s: resource entry is busy", __func__); 431166060Smarius if (isdefault) { 432166060Smarius start = rle->start; 433166060Smarius count = ulmax(count, rle->count); 434166060Smarius end = ulmax(rle->end, start + count - 1); 435166060Smarius } 436166060Smarius } 437166060Smarius for (i = 0; i < sc->sc_nrange; i++) { 438166060Smarius cstart = sc->sc_ranges[i].child; 439166060Smarius cend = cstart + sc->sc_ranges[i].size - 1; 440166060Smarius if (start < cstart || start > cend) 441166060Smarius continue; 442166060Smarius if (end < cstart || end > cend) 443166060Smarius return (NULL); 444166060Smarius start += sc->sc_ranges[i].parent - cstart; 445166060Smarius end += sc->sc_ranges[i].parent - cstart; 446166060Smarius rv = bus_generic_alloc_resource(dev, child, type, rid, 447166060Smarius start, end, count, flags); 448166060Smarius if (!passthrough) 449166060Smarius rle->res = rv; 450166060Smarius return (rv); 451166060Smarius } 452166060Smarius /* FALLTHROUGH */ 453166060Smarius default: 454166060Smarius return (NULL); 455166060Smarius } 456166060Smarius} 457166060Smarius 458172066Smariusstatic void 459172066Smariusupa_intr_enable(void *arg) 460172066Smarius{ 461172066Smarius struct intr_vector *iv = arg; 462172066Smarius struct upa_icarg *uica = iv->iv_icarg; 463172066Smarius 464172066Smarius UPA_WRITE(uica->uica_sc, uica->uica_imr, 0x0, 465172066Smarius INTMAP_ENABLE(iv->iv_vec, iv->iv_mid)); 466172066Smarius (void)UPA_READ(uica->uica_sc, uica->uica_imr, 0x0); 467172066Smarius} 468172066Smarius 469172066Smariusstatic void 470172066Smariusupa_intr_disable(void *arg) 471172066Smarius{ 472172066Smarius struct intr_vector *iv = arg; 473172066Smarius struct upa_icarg *uica = iv->iv_icarg; 474172066Smarius 475172066Smarius UPA_WRITE(uica->uica_sc, uica->uica_imr, 0x0, iv->iv_vec); 476172066Smarius (void)UPA_READ(uica->uica_sc, uica->uica_imr, 0x0); 477172066Smarius} 478172066Smarius 479178443Smariusstatic void 480178443Smariusupa_intr_assign(void *arg) 481178443Smarius{ 482178443Smarius struct intr_vector *iv = arg; 483178443Smarius struct upa_icarg *uica = iv->iv_icarg; 484178443Smarius 485178443Smarius UPA_WRITE(uica->uica_sc, uica->uica_imr, 0x0, INTMAP_TID( 486178443Smarius UPA_READ(uica->uica_sc, uica->uica_imr, 0x0), iv->iv_mid)); 487178443Smarius (void)UPA_READ(uica->uica_sc, uica->uica_imr, 0x0); 488178443Smarius} 489178443Smarius 490166060Smariusstatic int 491166060Smariusupa_setup_intr(device_t dev, device_t child, struct resource *ires, int flags, 492166901Spiso driver_filter_t *filt, driver_intr_t *func, void *arg, void **cookiep) 493166060Smarius{ 494166060Smarius struct upa_softc *sc; 495172066Smarius u_long vec; 496166060Smarius 497166060Smarius sc = device_get_softc(dev); 498166060Smarius /* 499172066Smarius * Make sure the vector is fully specified and we registered 500172066Smarius * our interrupt controller for it. 501190098Smarius */ 502172066Smarius vec = rman_get_start(ires); 503172066Smarius if (INTIGN(vec) != sc->sc_ign || intr_vectors[vec].iv_ic != &upa_ic) { 504172066Smarius device_printf(dev, "invalid interrupt vector 0x%lx\n", vec); 505190098Smarius return (EINVAL); 506190098Smarius } 507172066Smarius return (bus_generic_setup_intr(dev, child, ires, flags, filt, func, 508172066Smarius arg, cookiep)); 509166060Smarius} 510166060Smarius 511225931Smariusstatic int 512225931Smariusupa_adjust_resource(device_t bus __unused, device_t child __unused, 513294883Sjhibbits int type __unused, struct resource *r __unused, rman_res_t start __unused, 514294883Sjhibbits rman_res_t end __unused) 515225931Smarius{ 516225931Smarius 517225931Smarius return (ENXIO); 518225931Smarius} 519225931Smarius 520166060Smariusstatic struct resource_list * 521166060Smariusupa_get_resource_list(device_t dev, device_t child) 522166060Smarius{ 523166060Smarius struct upa_devinfo *udi; 524166060Smarius 525166060Smarius udi = device_get_ivars(child); 526166060Smarius return (&udi->udi_rl); 527166060Smarius} 528166060Smarius 529166060Smariusstatic const struct ofw_bus_devinfo * 530166060Smariusupa_get_devinfo(device_t dev, device_t child) 531166060Smarius{ 532166060Smarius struct upa_devinfo *udi; 533166060Smarius 534166060Smarius udi = device_get_ivars(child); 535166060Smarius return (&udi->udi_obdinfo); 536166060Smarius} 537166060Smarius 538166060Smariusstatic struct upa_devinfo * 539166060Smariusupa_setup_dinfo(device_t dev, struct upa_softc *sc, phandle_t node, 540166060Smarius uint32_t portid) 541166060Smarius{ 542166060Smarius struct upa_devinfo *udi; 543166060Smarius struct upa_regs *reg; 544166060Smarius uint32_t intr; 545166060Smarius int i, nreg; 546166060Smarius 547166060Smarius udi = malloc(sizeof(*udi), M_DEVBUF, M_WAITOK | M_ZERO); 548166060Smarius if (ofw_bus_gen_setup_devinfo(&udi->udi_obdinfo, node) != 0) { 549166060Smarius free(udi, M_DEVBUF); 550166060Smarius return (NULL); 551166060Smarius } 552166060Smarius resource_list_init(&udi->udi_rl); 553166060Smarius 554166060Smarius nreg = OF_getprop_alloc(node, "reg", sizeof(*reg), (void **)®); 555166060Smarius if (nreg == -1) { 556166060Smarius device_printf(dev, "<%s>: incomplete\n", 557166060Smarius udi->udi_obdinfo.obd_name); 558166060Smarius goto fail; 559166060Smarius } 560166060Smarius for (i = 0; i < nreg; i++) 561166060Smarius resource_list_add(&udi->udi_rl, SYS_RES_MEMORY, i, reg[i].phys, 562166060Smarius reg[i].phys + reg[i].size - 1, reg[i].size); 563300173Sgonzo OF_prop_free(reg); 564166060Smarius 565172066Smarius intr = INTMAP_VEC(sc->sc_ign, (UPA_INO_BASE + portid)); 566166060Smarius resource_list_add(&udi->udi_rl, SYS_RES_IRQ, 0, intr, intr, 1); 567166060Smarius 568166060Smarius return (udi); 569166060Smarius 570166060Smarius fail: 571166060Smarius upa_destroy_dinfo(udi); 572166060Smarius return (NULL); 573166060Smarius} 574166060Smarius 575166060Smariusstatic void 576166060Smariusupa_destroy_dinfo(struct upa_devinfo *dinfo) 577166060Smarius{ 578166060Smarius 579166060Smarius resource_list_free(&dinfo->udi_rl); 580166060Smarius ofw_bus_gen_destroy_devinfo(&dinfo->udi_obdinfo); 581166060Smarius free(dinfo, M_DEVBUF); 582166060Smarius} 583166060Smarius 584166060Smariusstatic int 585166060Smariusupa_print_res(struct upa_devinfo *udi) 586166060Smarius{ 587166060Smarius int rv; 588166060Smarius 589166060Smarius rv = 0; 590166060Smarius rv += resource_list_print_type(&udi->udi_rl, "mem", SYS_RES_MEMORY, 591297199Sjhibbits "%#jx"); 592166060Smarius rv += resource_list_print_type(&udi->udi_rl, "irq", SYS_RES_IRQ, 593297199Sjhibbits "%jd"); 594166060Smarius return (rv); 595166060Smarius} 596