1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright 2002 by Peter Grehan. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 /* 33 * Driver for KeyLargo/Pangea, the MacPPC south bridge ASIC. 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/malloc.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 #include <sys/rman.h> 43 44 #include <vm/vm.h> 45 #include <vm/pmap.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr_machdep.h> 49 #include <machine/resource.h> 50 #include <machine/vmparam.h> 51 52 #include <dev/ofw/ofw_bus.h> 53 #include <dev/ofw/ofw_bus_subr.h> 54 #include <dev/ofw/openfirm.h> 55 56 #include <powerpc/powermac/maciovar.h> 57 58 #include <dev/pci/pcivar.h> 59 #include <dev/pci/pcireg.h> 60 61 /* 62 * Macio softc 63 */ 64 struct macio_softc { 65 phandle_t sc_node; 66 vm_offset_t sc_base; 67 vm_offset_t sc_size; 68 struct rman sc_mem_rman; 69 70 /* FCR registers */ 71 int sc_memrid; 72 struct resource *sc_memr; 73 }; 74 75 static MALLOC_DEFINE(M_MACIO, "macio", "macio device information"); 76 77 static int macio_probe(device_t); 78 static int macio_attach(device_t); 79 static int macio_print_child(device_t dev, device_t child); 80 static void macio_probe_nomatch(device_t, device_t); 81 static struct resource *macio_alloc_resource(device_t, device_t, int, int *, 82 rman_res_t, rman_res_t, rman_res_t, 83 u_int); 84 static int macio_activate_resource(device_t, device_t, int, int, 85 struct resource *); 86 static int macio_deactivate_resource(device_t, device_t, int, int, 87 struct resource *); 88 static int macio_release_resource(device_t, device_t, int, int, 89 struct resource *); 90 static struct resource_list *macio_get_resource_list (device_t, device_t); 91 static ofw_bus_get_devinfo_t macio_get_devinfo; 92 93 /* 94 * Bus interface definition 95 */ 96 static device_method_t macio_methods[] = { 97 /* Device interface */ 98 DEVMETHOD(device_probe, macio_probe), 99 DEVMETHOD(device_attach, macio_attach), 100 DEVMETHOD(device_detach, bus_generic_detach), 101 DEVMETHOD(device_shutdown, bus_generic_shutdown), 102 DEVMETHOD(device_suspend, bus_generic_suspend), 103 DEVMETHOD(device_resume, bus_generic_resume), 104 105 /* Bus interface */ 106 DEVMETHOD(bus_print_child, macio_print_child), 107 DEVMETHOD(bus_probe_nomatch, macio_probe_nomatch), 108 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 109 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 110 111 DEVMETHOD(bus_alloc_resource, macio_alloc_resource), 112 DEVMETHOD(bus_release_resource, macio_release_resource), 113 DEVMETHOD(bus_activate_resource, macio_activate_resource), 114 DEVMETHOD(bus_deactivate_resource, macio_deactivate_resource), 115 DEVMETHOD(bus_get_resource_list, macio_get_resource_list), 116 117 DEVMETHOD(bus_child_pnpinfo, ofw_bus_gen_child_pnpinfo), 118 119 /* ofw_bus interface */ 120 DEVMETHOD(ofw_bus_get_devinfo, macio_get_devinfo), 121 DEVMETHOD(ofw_bus_get_compat, ofw_bus_gen_get_compat), 122 DEVMETHOD(ofw_bus_get_model, ofw_bus_gen_get_model), 123 DEVMETHOD(ofw_bus_get_name, ofw_bus_gen_get_name), 124 DEVMETHOD(ofw_bus_get_node, ofw_bus_gen_get_node), 125 DEVMETHOD(ofw_bus_get_type, ofw_bus_gen_get_type), 126 { 0, 0 } 127 }; 128 129 static driver_t macio_pci_driver = { 130 "macio", 131 macio_methods, 132 sizeof(struct macio_softc) 133 }; 134 135 devclass_t macio_devclass; 136 137 EARLY_DRIVER_MODULE(macio, pci, macio_pci_driver, macio_devclass, 0, 0, 138 BUS_PASS_BUS); 139 140 /* 141 * PCI ID search table 142 */ 143 static struct macio_pci_dev { 144 u_int32_t mpd_devid; 145 char *mpd_desc; 146 } macio_pci_devlist[] = { 147 { 0x0017106b, "Paddington I/O Controller" }, 148 { 0x0022106b, "KeyLargo I/O Controller" }, 149 { 0x0025106b, "Pangea I/O Controller" }, 150 { 0x003e106b, "Intrepid I/O Controller" }, 151 { 0x0041106b, "K2 KeyLargo I/O Controller" }, 152 { 0x004f106b, "Shasta I/O Controller" }, 153 { 0, NULL } 154 }; 155 156 /* 157 * Devices to exclude from the probe 158 * XXX some of these may be required in the future... 159 */ 160 #define MACIO_QUIRK_IGNORE 0x00000001 161 #define MACIO_QUIRK_CHILD_HAS_INTR 0x00000002 162 #define MACIO_QUIRK_USE_CHILD_REG 0x00000004 163 164 struct macio_quirk_entry { 165 const char *mq_name; 166 int mq_quirks; 167 }; 168 169 static struct macio_quirk_entry macio_quirks[] = { 170 { "escc-legacy", MACIO_QUIRK_IGNORE }, 171 { "timer", MACIO_QUIRK_IGNORE }, 172 { "escc", MACIO_QUIRK_CHILD_HAS_INTR }, 173 { "i2s", MACIO_QUIRK_CHILD_HAS_INTR | 174 MACIO_QUIRK_USE_CHILD_REG }, 175 { NULL, 0 } 176 }; 177 178 static int 179 macio_get_quirks(const char *name) 180 { 181 struct macio_quirk_entry *mqe; 182 183 for (mqe = macio_quirks; mqe->mq_name != NULL; mqe++) 184 if (strcmp(name, mqe->mq_name) == 0) 185 return (mqe->mq_quirks); 186 return (0); 187 } 188 189 /* 190 * Add an interrupt to the dev's resource list if present 191 */ 192 static void 193 macio_add_intr(phandle_t devnode, struct macio_devinfo *dinfo) 194 { 195 phandle_t iparent; 196 int *intr; 197 int i, nintr; 198 int icells; 199 200 if (dinfo->mdi_ninterrupts >= 6) { 201 printf("macio: device has more than 6 interrupts\n"); 202 return; 203 } 204 205 nintr = OF_getprop_alloc_multi(devnode, "interrupts", sizeof(*intr), 206 (void **)&intr); 207 if (nintr == -1) { 208 nintr = OF_getprop_alloc_multi(devnode, "AAPL,interrupts", 209 sizeof(*intr), (void **)&intr); 210 if (nintr == -1) 211 return; 212 } 213 214 if (intr[0] == -1) 215 return; 216 217 if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent)) 218 <= 0) 219 panic("Interrupt but no interrupt parent!\n"); 220 221 if (OF_getprop(OF_node_from_xref(iparent), "#interrupt-cells", &icells, 222 sizeof(icells)) <= 0) 223 icells = 1; 224 225 for (i = 0; i < nintr; i+=icells) { 226 u_int irq = MAP_IRQ(iparent, intr[i]); 227 228 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ, 229 dinfo->mdi_ninterrupts, irq, irq, 1); 230 231 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = irq; 232 dinfo->mdi_ninterrupts++; 233 } 234 } 235 236 static void 237 macio_add_reg(phandle_t devnode, struct macio_devinfo *dinfo) 238 { 239 struct macio_reg *reg, *regp; 240 phandle_t child; 241 char buf[8]; 242 int i, layout_id = 0, nreg, res; 243 244 nreg = OF_getprop_alloc_multi(devnode, "reg", sizeof(*reg), (void **)®); 245 if (nreg == -1) 246 return; 247 248 /* 249 * Some G5's have broken properties in the i2s-a area. If so we try 250 * to fix it. Right now we know of two different cases, one for 251 * sound layout-id 36 and the other one for sound layout-id 76. 252 * What is missing is the base address for the memory addresses. 253 * We take them from the parent node (i2s) and use the size 254 * information from the child. 255 */ 256 257 if (reg[0].mr_base == 0) { 258 child = OF_child(devnode); 259 while (child != 0) { 260 res = OF_getprop(child, "name", buf, sizeof(buf)); 261 if (res > 0 && strcmp(buf, "sound") == 0) 262 break; 263 child = OF_peer(child); 264 } 265 266 res = OF_getprop(child, "layout-id", &layout_id, 267 sizeof(layout_id)); 268 269 if (res > 0 && (layout_id == 36 || layout_id == 76)) { 270 res = OF_getprop_alloc_multi(OF_parent(devnode), "reg", 271 sizeof(*regp), (void **)®p); 272 reg[0] = regp[0]; 273 reg[1].mr_base = regp[1].mr_base; 274 reg[2].mr_base = regp[1].mr_base + reg[1].mr_size; 275 } 276 } 277 278 for (i = 0; i < nreg; i++) { 279 resource_list_add(&dinfo->mdi_resources, SYS_RES_MEMORY, i, 280 reg[i].mr_base, reg[i].mr_base + reg[i].mr_size, 281 reg[i].mr_size); 282 } 283 } 284 285 /* 286 * PCI probe 287 */ 288 static int 289 macio_probe(device_t dev) 290 { 291 int i; 292 u_int32_t devid; 293 294 devid = pci_get_devid(dev); 295 for (i = 0; macio_pci_devlist[i].mpd_desc != NULL; i++) { 296 if (devid == macio_pci_devlist[i].mpd_devid) { 297 device_set_desc(dev, macio_pci_devlist[i].mpd_desc); 298 return (0); 299 } 300 } 301 302 return (ENXIO); 303 } 304 305 /* 306 * PCI attach: scan Open Firmware child nodes, and attach these as children 307 * of the macio bus 308 */ 309 static int 310 macio_attach(device_t dev) 311 { 312 struct macio_softc *sc; 313 struct macio_devinfo *dinfo; 314 phandle_t root; 315 phandle_t child; 316 phandle_t subchild; 317 device_t cdev; 318 u_int reg[3]; 319 char compat[32]; 320 int error, quirks; 321 322 sc = device_get_softc(dev); 323 root = sc->sc_node = ofw_bus_get_node(dev); 324 325 /* 326 * Locate the device node and it's base address 327 */ 328 if (OF_getprop(root, "assigned-addresses", 329 reg, sizeof(reg)) < (ssize_t)sizeof(reg)) { 330 return (ENXIO); 331 } 332 333 /* Used later to see if we have to enable the I2S part. */ 334 OF_getprop(root, "compatible", compat, sizeof(compat)); 335 336 sc->sc_base = reg[2]; 337 sc->sc_size = MACIO_REG_SIZE; 338 339 sc->sc_memrid = PCIR_BAR(0); 340 sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 341 &sc->sc_memrid, RF_ACTIVE); 342 343 sc->sc_mem_rman.rm_type = RMAN_ARRAY; 344 sc->sc_mem_rman.rm_descr = "MacIO Device Memory"; 345 error = rman_init(&sc->sc_mem_rman); 346 if (error) { 347 device_printf(dev, "rman_init() failed. error = %d\n", error); 348 return (error); 349 } 350 error = rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size); 351 if (error) { 352 device_printf(dev, 353 "rman_manage_region() failed. error = %d\n", error); 354 return (error); 355 } 356 357 /* 358 * Iterate through the sub-devices 359 */ 360 for (child = OF_child(root); child != 0; child = OF_peer(child)) { 361 dinfo = malloc(sizeof(*dinfo), M_MACIO, M_WAITOK | M_ZERO); 362 if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) != 363 0) { 364 free(dinfo, M_MACIO); 365 continue; 366 } 367 quirks = macio_get_quirks(dinfo->mdi_obdinfo.obd_name); 368 if ((quirks & MACIO_QUIRK_IGNORE) != 0) { 369 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo); 370 free(dinfo, M_MACIO); 371 continue; 372 } 373 resource_list_init(&dinfo->mdi_resources); 374 dinfo->mdi_ninterrupts = 0; 375 macio_add_intr(child, dinfo); 376 if ((quirks & MACIO_QUIRK_USE_CHILD_REG) != 0) 377 macio_add_reg(OF_child(child), dinfo); 378 else 379 macio_add_reg(child, dinfo); 380 if ((quirks & MACIO_QUIRK_CHILD_HAS_INTR) != 0) 381 for (subchild = OF_child(child); subchild != 0; 382 subchild = OF_peer(subchild)) 383 macio_add_intr(subchild, dinfo); 384 cdev = device_add_child(dev, NULL, -1); 385 if (cdev == NULL) { 386 device_printf(dev, "<%s>: device_add_child failed\n", 387 dinfo->mdi_obdinfo.obd_name); 388 resource_list_free(&dinfo->mdi_resources); 389 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo); 390 free(dinfo, M_MACIO); 391 continue; 392 } 393 device_set_ivars(cdev, dinfo); 394 395 /* Set FCRs to enable some devices */ 396 if (sc->sc_memr == NULL) 397 continue; 398 399 if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 || 400 (ofw_bus_get_compat(cdev) != NULL && 401 strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0)) { 402 uint32_t fcr; 403 404 fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR); 405 406 fcr |= FCR_ENET_ENABLE & ~FCR_ENET_RESET; 407 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 408 DELAY(50000); 409 fcr |= FCR_ENET_RESET; 410 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 411 DELAY(50000); 412 fcr &= ~FCR_ENET_RESET; 413 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 414 DELAY(50000); 415 416 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 417 } 418 419 /* 420 * Make sure the I2S0 and the I2S0_CLK are enabled. 421 * On certain G5's they are not. 422 */ 423 if ((strcmp(ofw_bus_get_name(cdev), "i2s") == 0) && 424 (strcmp(compat, "K2-Keylargo") == 0)) { 425 uint32_t fcr1; 426 427 fcr1 = bus_read_4(sc->sc_memr, KEYLARGO_FCR1); 428 fcr1 |= FCR1_I2S0_CLK_ENABLE | FCR1_I2S0_ENABLE; 429 bus_write_4(sc->sc_memr, KEYLARGO_FCR1, fcr1); 430 } 431 } 432 433 return (bus_generic_attach(dev)); 434 } 435 436 static int 437 macio_print_child(device_t dev, device_t child) 438 { 439 struct macio_devinfo *dinfo; 440 struct resource_list *rl; 441 int retval = 0; 442 443 dinfo = device_get_ivars(child); 444 rl = &dinfo->mdi_resources; 445 446 retval += bus_print_child_header(dev, child); 447 448 retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 449 retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 450 451 retval += bus_print_child_footer(dev, child); 452 453 return (retval); 454 } 455 456 static void 457 macio_probe_nomatch(device_t dev, device_t child) 458 { 459 struct macio_devinfo *dinfo; 460 struct resource_list *rl; 461 const char *type; 462 463 if (bootverbose) { 464 dinfo = device_get_ivars(child); 465 rl = &dinfo->mdi_resources; 466 467 if ((type = ofw_bus_get_type(child)) == NULL) 468 type = "(unknown)"; 469 device_printf(dev, "<%s, %s>", type, ofw_bus_get_name(child)); 470 resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 471 resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 472 printf(" (no driver attached)\n"); 473 } 474 } 475 476 static struct resource * 477 macio_alloc_resource(device_t bus, device_t child, int type, int *rid, 478 rman_res_t start, rman_res_t end, rman_res_t count, 479 u_int flags) 480 { 481 struct macio_softc *sc; 482 int needactivate; 483 struct resource *rv; 484 struct rman *rm; 485 u_long adjstart, adjend, adjcount; 486 struct macio_devinfo *dinfo; 487 struct resource_list_entry *rle; 488 489 sc = device_get_softc(bus); 490 dinfo = device_get_ivars(child); 491 492 needactivate = flags & RF_ACTIVE; 493 flags &= ~RF_ACTIVE; 494 495 switch (type) { 496 case SYS_RES_MEMORY: 497 case SYS_RES_IOPORT: 498 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_MEMORY, 499 *rid); 500 if (rle == NULL) { 501 device_printf(bus, "no rle for %s memory %d\n", 502 device_get_nameunit(child), *rid); 503 return (NULL); 504 } 505 506 if (start < rle->start) 507 adjstart = rle->start; 508 else if (start > rle->end) 509 adjstart = rle->end; 510 else 511 adjstart = start; 512 513 if (end < rle->start) 514 adjend = rle->start; 515 else if (end > rle->end) 516 adjend = rle->end; 517 else 518 adjend = end; 519 520 adjcount = adjend - adjstart; 521 522 rm = &sc->sc_mem_rman; 523 break; 524 525 case SYS_RES_IRQ: 526 /* Check for passthrough from subattachments like macgpio */ 527 if (device_get_parent(child) != bus) 528 return BUS_ALLOC_RESOURCE(device_get_parent(bus), child, 529 type, rid, start, end, count, flags); 530 531 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_IRQ, 532 *rid); 533 if (rle == NULL) { 534 if (dinfo->mdi_ninterrupts >= 6) { 535 device_printf(bus, 536 "%s has more than 6 interrupts\n", 537 device_get_nameunit(child)); 538 return (NULL); 539 } 540 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ, 541 dinfo->mdi_ninterrupts, start, start, 1); 542 543 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = start; 544 dinfo->mdi_ninterrupts++; 545 } 546 547 return (resource_list_alloc(&dinfo->mdi_resources, bus, child, 548 type, rid, start, end, count, flags)); 549 550 default: 551 device_printf(bus, "unknown resource request from %s\n", 552 device_get_nameunit(child)); 553 return (NULL); 554 } 555 556 rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags, 557 child); 558 if (rv == NULL) { 559 device_printf(bus, 560 "failed to reserve resource %#lx - %#lx (%#lx) for %s\n", 561 adjstart, adjend, adjcount, device_get_nameunit(child)); 562 return (NULL); 563 } 564 565 rman_set_rid(rv, *rid); 566 567 if (needactivate) { 568 if (bus_activate_resource(child, type, *rid, rv) != 0) { 569 device_printf(bus, 570 "failed to activate resource for %s\n", 571 device_get_nameunit(child)); 572 rman_release_resource(rv); 573 return (NULL); 574 } 575 } 576 577 return (rv); 578 } 579 580 static int 581 macio_release_resource(device_t bus, device_t child, int type, int rid, 582 struct resource *res) 583 { 584 if (rman_get_flags(res) & RF_ACTIVE) { 585 int error = bus_deactivate_resource(child, type, rid, res); 586 if (error) 587 return error; 588 } 589 590 return (rman_release_resource(res)); 591 } 592 593 static int 594 macio_activate_resource(device_t bus, device_t child, int type, int rid, 595 struct resource *res) 596 { 597 struct macio_softc *sc; 598 void *p; 599 600 sc = device_get_softc(bus); 601 602 if (type == SYS_RES_IRQ) 603 return (bus_activate_resource(bus, type, rid, res)); 604 605 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { 606 p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_base, 607 (vm_size_t)rman_get_size(res)); 608 if (p == NULL) 609 return (ENOMEM); 610 rman_set_virtual(res, p); 611 rman_set_bustag(res, &bs_le_tag); 612 rman_set_bushandle(res, (u_long)p); 613 } 614 615 return (rman_activate_resource(res)); 616 } 617 618 static int 619 macio_deactivate_resource(device_t bus, device_t child, int type, int rid, 620 struct resource *res) 621 { 622 /* 623 * If this is a memory resource, unmap it. 624 */ 625 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { 626 u_int32_t psize; 627 628 psize = rman_get_size(res); 629 pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize); 630 } 631 632 return (rman_deactivate_resource(res)); 633 } 634 635 static struct resource_list * 636 macio_get_resource_list (device_t dev, device_t child) 637 { 638 struct macio_devinfo *dinfo; 639 640 dinfo = device_get_ivars(child); 641 return (&dinfo->mdi_resources); 642 } 643 644 static const struct ofw_bus_devinfo * 645 macio_get_devinfo(device_t dev, device_t child) 646 { 647 struct macio_devinfo *dinfo; 648 649 dinfo = device_get_ivars(child); 650 return (&dinfo->mdi_obdinfo); 651 } 652 653 int 654 macio_enable_wireless(device_t dev, bool enable) 655 { 656 struct macio_softc *sc = device_get_softc(dev); 657 uint32_t x; 658 659 if (enable) { 660 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 661 x |= 0x4; 662 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 663 664 /* Enable card slot. */ 665 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5); 666 DELAY(1000); 667 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4); 668 DELAY(1000); 669 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 670 x &= ~0x80000000; 671 672 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 673 /* out8(gpio + 0x10, 4); */ 674 675 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0); 676 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28); 677 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28); 678 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28); 679 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28); 680 bus_write_4(sc->sc_memr, 0x1c000, 0); 681 682 /* Initialize the card. */ 683 bus_write_4(sc->sc_memr, 0x1a3e0, 0x41); 684 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 685 x |= 0x80000000; 686 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 687 } else { 688 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 689 x &= ~0x4; 690 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 691 /* out8(gpio + 0x10, 0); */ 692 } 693 694 return (0); 695 } 696