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_str, ofw_bus_gen_child_pnpinfo_str), 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), 126 127 { 0, 0 } 128 }; 129 130 static driver_t macio_pci_driver = { 131 "macio", 132 macio_methods, 133 sizeof(struct macio_softc) 134 }; 135 136 devclass_t macio_devclass; 137 138 EARLY_DRIVER_MODULE(macio, pci, macio_pci_driver, macio_devclass, 0, 0, 139 BUS_PASS_BUS); 140 141 /* 142 * PCI ID search table 143 */ 144 static struct macio_pci_dev { 145 u_int32_t mpd_devid; 146 char *mpd_desc; 147 } macio_pci_devlist[] = { 148 { 0x0017106b, "Paddington I/O Controller" }, 149 { 0x0022106b, "KeyLargo I/O Controller" }, 150 { 0x0025106b, "Pangea I/O Controller" }, 151 { 0x003e106b, "Intrepid I/O Controller" }, 152 { 0x0041106b, "K2 KeyLargo I/O Controller" }, 153 { 0x004f106b, "Shasta I/O Controller" }, 154 { 0, NULL } 155 }; 156 157 /* 158 * Devices to exclude from the probe 159 * XXX some of these may be required in the future... 160 */ 161 #define MACIO_QUIRK_IGNORE 0x00000001 162 #define MACIO_QUIRK_CHILD_HAS_INTR 0x00000002 163 #define MACIO_QUIRK_USE_CHILD_REG 0x00000004 164 165 struct macio_quirk_entry { 166 const char *mq_name; 167 int mq_quirks; 168 }; 169 170 static struct macio_quirk_entry macio_quirks[] = { 171 { "escc-legacy", MACIO_QUIRK_IGNORE }, 172 { "timer", MACIO_QUIRK_IGNORE }, 173 { "escc", MACIO_QUIRK_CHILD_HAS_INTR }, 174 { "i2s", MACIO_QUIRK_CHILD_HAS_INTR | 175 MACIO_QUIRK_USE_CHILD_REG }, 176 { NULL, 0 } 177 }; 178 179 static int 180 macio_get_quirks(const char *name) 181 { 182 struct macio_quirk_entry *mqe; 183 184 for (mqe = macio_quirks; mqe->mq_name != NULL; mqe++) 185 if (strcmp(name, mqe->mq_name) == 0) 186 return (mqe->mq_quirks); 187 return (0); 188 } 189 190 191 /* 192 * Add an interrupt to the dev's resource list if present 193 */ 194 static void 195 macio_add_intr(phandle_t devnode, struct macio_devinfo *dinfo) 196 { 197 phandle_t iparent; 198 int *intr; 199 int i, nintr; 200 int icells; 201 202 if (dinfo->mdi_ninterrupts >= 6) { 203 printf("macio: device has more than 6 interrupts\n"); 204 return; 205 } 206 207 nintr = OF_getprop_alloc_multi(devnode, "interrupts", sizeof(*intr), 208 (void **)&intr); 209 if (nintr == -1) { 210 nintr = OF_getprop_alloc_multi(devnode, "AAPL,interrupts", 211 sizeof(*intr), (void **)&intr); 212 if (nintr == -1) 213 return; 214 } 215 216 if (intr[0] == -1) 217 return; 218 219 if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent)) 220 <= 0) 221 panic("Interrupt but no interrupt parent!\n"); 222 223 if (OF_getprop(OF_node_from_xref(iparent), "#interrupt-cells", &icells, 224 sizeof(icells)) <= 0) 225 icells = 1; 226 227 for (i = 0; i < nintr; i+=icells) { 228 u_int irq = MAP_IRQ(iparent, intr[i]); 229 230 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ, 231 dinfo->mdi_ninterrupts, irq, irq, 1); 232 233 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = irq; 234 dinfo->mdi_ninterrupts++; 235 } 236 } 237 238 239 static void 240 macio_add_reg(phandle_t devnode, struct macio_devinfo *dinfo) 241 { 242 struct macio_reg *reg, *regp; 243 phandle_t child; 244 char buf[8]; 245 int i, layout_id = 0, nreg, res; 246 247 nreg = OF_getprop_alloc_multi(devnode, "reg", sizeof(*reg), (void **)®); 248 if (nreg == -1) 249 return; 250 251 /* 252 * Some G5's have broken properties in the i2s-a area. If so we try 253 * to fix it. Right now we know of two different cases, one for 254 * sound layout-id 36 and the other one for sound layout-id 76. 255 * What is missing is the base address for the memory addresses. 256 * We take them from the parent node (i2s) and use the size 257 * information from the child. 258 */ 259 260 if (reg[0].mr_base == 0) { 261 child = OF_child(devnode); 262 while (child != 0) { 263 res = OF_getprop(child, "name", buf, sizeof(buf)); 264 if (res > 0 && strcmp(buf, "sound") == 0) 265 break; 266 child = OF_peer(child); 267 } 268 269 res = OF_getprop(child, "layout-id", &layout_id, 270 sizeof(layout_id)); 271 272 if (res > 0 && (layout_id == 36 || layout_id == 76)) { 273 res = OF_getprop_alloc_multi(OF_parent(devnode), "reg", 274 sizeof(*regp), (void **)®p); 275 reg[0] = regp[0]; 276 reg[1].mr_base = regp[1].mr_base; 277 reg[2].mr_base = regp[1].mr_base + reg[1].mr_size; 278 } 279 } 280 281 for (i = 0; i < nreg; i++) { 282 resource_list_add(&dinfo->mdi_resources, SYS_RES_MEMORY, i, 283 reg[i].mr_base, reg[i].mr_base + reg[i].mr_size, 284 reg[i].mr_size); 285 } 286 } 287 288 /* 289 * PCI probe 290 */ 291 static int 292 macio_probe(device_t dev) 293 { 294 int i; 295 u_int32_t devid; 296 297 devid = pci_get_devid(dev); 298 for (i = 0; macio_pci_devlist[i].mpd_desc != NULL; i++) { 299 if (devid == macio_pci_devlist[i].mpd_devid) { 300 device_set_desc(dev, macio_pci_devlist[i].mpd_desc); 301 return (0); 302 } 303 } 304 305 return (ENXIO); 306 } 307 308 /* 309 * PCI attach: scan Open Firmware child nodes, and attach these as children 310 * of the macio bus 311 */ 312 static int 313 macio_attach(device_t dev) 314 { 315 struct macio_softc *sc; 316 struct macio_devinfo *dinfo; 317 phandle_t root; 318 phandle_t child; 319 phandle_t subchild; 320 device_t cdev; 321 u_int reg[3]; 322 char compat[32]; 323 int error, quirks; 324 325 sc = device_get_softc(dev); 326 root = sc->sc_node = ofw_bus_get_node(dev); 327 328 /* 329 * Locate the device node and it's base address 330 */ 331 if (OF_getprop(root, "assigned-addresses", 332 reg, sizeof(reg)) < (ssize_t)sizeof(reg)) { 333 return (ENXIO); 334 } 335 336 /* Used later to see if we have to enable the I2S part. */ 337 OF_getprop(root, "compatible", compat, sizeof(compat)); 338 339 sc->sc_base = reg[2]; 340 sc->sc_size = MACIO_REG_SIZE; 341 342 sc->sc_memrid = PCIR_BAR(0); 343 sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 344 &sc->sc_memrid, RF_ACTIVE); 345 346 sc->sc_mem_rman.rm_type = RMAN_ARRAY; 347 sc->sc_mem_rman.rm_descr = "MacIO Device Memory"; 348 error = rman_init(&sc->sc_mem_rman); 349 if (error) { 350 device_printf(dev, "rman_init() failed. error = %d\n", error); 351 return (error); 352 } 353 error = rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size); 354 if (error) { 355 device_printf(dev, 356 "rman_manage_region() failed. error = %d\n", error); 357 return (error); 358 } 359 360 /* 361 * Iterate through the sub-devices 362 */ 363 for (child = OF_child(root); child != 0; child = OF_peer(child)) { 364 dinfo = malloc(sizeof(*dinfo), M_MACIO, M_WAITOK | M_ZERO); 365 if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) != 366 0) { 367 free(dinfo, M_MACIO); 368 continue; 369 } 370 quirks = macio_get_quirks(dinfo->mdi_obdinfo.obd_name); 371 if ((quirks & MACIO_QUIRK_IGNORE) != 0) { 372 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo); 373 free(dinfo, M_MACIO); 374 continue; 375 } 376 resource_list_init(&dinfo->mdi_resources); 377 dinfo->mdi_ninterrupts = 0; 378 macio_add_intr(child, dinfo); 379 if ((quirks & MACIO_QUIRK_USE_CHILD_REG) != 0) 380 macio_add_reg(OF_child(child), dinfo); 381 else 382 macio_add_reg(child, dinfo); 383 if ((quirks & MACIO_QUIRK_CHILD_HAS_INTR) != 0) 384 for (subchild = OF_child(child); subchild != 0; 385 subchild = OF_peer(subchild)) 386 macio_add_intr(subchild, dinfo); 387 cdev = device_add_child(dev, NULL, -1); 388 if (cdev == NULL) { 389 device_printf(dev, "<%s>: device_add_child failed\n", 390 dinfo->mdi_obdinfo.obd_name); 391 resource_list_free(&dinfo->mdi_resources); 392 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo); 393 free(dinfo, M_MACIO); 394 continue; 395 } 396 device_set_ivars(cdev, dinfo); 397 398 /* Set FCRs to enable some devices */ 399 if (sc->sc_memr == NULL) 400 continue; 401 402 if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 || 403 (ofw_bus_get_compat(cdev) != NULL && 404 strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0)) { 405 uint32_t fcr; 406 407 fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR); 408 409 fcr |= FCR_ENET_ENABLE & ~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 fcr &= ~FCR_ENET_RESET; 416 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 417 DELAY(50000); 418 419 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 420 } 421 422 /* 423 * Make sure the I2S0 and the I2S0_CLK are enabled. 424 * On certain G5's they are not. 425 */ 426 if ((strcmp(ofw_bus_get_name(cdev), "i2s") == 0) && 427 (strcmp(compat, "K2-Keylargo") == 0)) { 428 429 uint32_t fcr1; 430 431 fcr1 = bus_read_4(sc->sc_memr, KEYLARGO_FCR1); 432 fcr1 |= FCR1_I2S0_CLK_ENABLE | FCR1_I2S0_ENABLE; 433 bus_write_4(sc->sc_memr, KEYLARGO_FCR1, fcr1); 434 } 435 436 } 437 438 return (bus_generic_attach(dev)); 439 } 440 441 442 static int 443 macio_print_child(device_t dev, device_t child) 444 { 445 struct macio_devinfo *dinfo; 446 struct resource_list *rl; 447 int retval = 0; 448 449 dinfo = device_get_ivars(child); 450 rl = &dinfo->mdi_resources; 451 452 retval += bus_print_child_header(dev, child); 453 454 retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 455 retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 456 457 retval += bus_print_child_footer(dev, child); 458 459 return (retval); 460 } 461 462 463 static void 464 macio_probe_nomatch(device_t dev, device_t child) 465 { 466 struct macio_devinfo *dinfo; 467 struct resource_list *rl; 468 const char *type; 469 470 if (bootverbose) { 471 dinfo = device_get_ivars(child); 472 rl = &dinfo->mdi_resources; 473 474 if ((type = ofw_bus_get_type(child)) == NULL) 475 type = "(unknown)"; 476 device_printf(dev, "<%s, %s>", type, ofw_bus_get_name(child)); 477 resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 478 resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 479 printf(" (no driver attached)\n"); 480 } 481 } 482 483 484 static struct resource * 485 macio_alloc_resource(device_t bus, device_t child, int type, int *rid, 486 rman_res_t start, rman_res_t end, rman_res_t count, 487 u_int flags) 488 { 489 struct macio_softc *sc; 490 int needactivate; 491 struct resource *rv; 492 struct rman *rm; 493 u_long adjstart, adjend, adjcount; 494 struct macio_devinfo *dinfo; 495 struct resource_list_entry *rle; 496 497 sc = device_get_softc(bus); 498 dinfo = device_get_ivars(child); 499 500 needactivate = flags & RF_ACTIVE; 501 flags &= ~RF_ACTIVE; 502 503 switch (type) { 504 case SYS_RES_MEMORY: 505 case SYS_RES_IOPORT: 506 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_MEMORY, 507 *rid); 508 if (rle == NULL) { 509 device_printf(bus, "no rle for %s memory %d\n", 510 device_get_nameunit(child), *rid); 511 return (NULL); 512 } 513 514 if (start < rle->start) 515 adjstart = rle->start; 516 else if (start > rle->end) 517 adjstart = rle->end; 518 else 519 adjstart = start; 520 521 if (end < rle->start) 522 adjend = rle->start; 523 else if (end > rle->end) 524 adjend = rle->end; 525 else 526 adjend = end; 527 528 adjcount = adjend - adjstart; 529 530 rm = &sc->sc_mem_rman; 531 break; 532 533 case SYS_RES_IRQ: 534 /* Check for passthrough from subattachments like macgpio */ 535 if (device_get_parent(child) != bus) 536 return BUS_ALLOC_RESOURCE(device_get_parent(bus), child, 537 type, rid, start, end, count, flags); 538 539 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_IRQ, 540 *rid); 541 if (rle == NULL) { 542 if (dinfo->mdi_ninterrupts >= 6) { 543 device_printf(bus, 544 "%s has more than 6 interrupts\n", 545 device_get_nameunit(child)); 546 return (NULL); 547 } 548 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ, 549 dinfo->mdi_ninterrupts, start, start, 1); 550 551 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = start; 552 dinfo->mdi_ninterrupts++; 553 } 554 555 return (resource_list_alloc(&dinfo->mdi_resources, bus, child, 556 type, rid, start, end, count, flags)); 557 558 default: 559 device_printf(bus, "unknown resource request from %s\n", 560 device_get_nameunit(child)); 561 return (NULL); 562 } 563 564 rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags, 565 child); 566 if (rv == NULL) { 567 device_printf(bus, 568 "failed to reserve resource %#lx - %#lx (%#lx) for %s\n", 569 adjstart, adjend, adjcount, device_get_nameunit(child)); 570 return (NULL); 571 } 572 573 rman_set_rid(rv, *rid); 574 575 if (needactivate) { 576 if (bus_activate_resource(child, type, *rid, rv) != 0) { 577 device_printf(bus, 578 "failed to activate resource for %s\n", 579 device_get_nameunit(child)); 580 rman_release_resource(rv); 581 return (NULL); 582 } 583 } 584 585 return (rv); 586 } 587 588 589 static int 590 macio_release_resource(device_t bus, device_t child, int type, int rid, 591 struct resource *res) 592 { 593 if (rman_get_flags(res) & RF_ACTIVE) { 594 int error = bus_deactivate_resource(child, type, rid, res); 595 if (error) 596 return error; 597 } 598 599 return (rman_release_resource(res)); 600 } 601 602 603 static int 604 macio_activate_resource(device_t bus, device_t child, int type, int rid, 605 struct resource *res) 606 { 607 struct macio_softc *sc; 608 void *p; 609 610 sc = device_get_softc(bus); 611 612 if (type == SYS_RES_IRQ) 613 return (bus_activate_resource(bus, type, rid, res)); 614 615 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { 616 p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_base, 617 (vm_size_t)rman_get_size(res)); 618 if (p == NULL) 619 return (ENOMEM); 620 rman_set_virtual(res, p); 621 rman_set_bustag(res, &bs_le_tag); 622 rman_set_bushandle(res, (u_long)p); 623 } 624 625 return (rman_activate_resource(res)); 626 } 627 628 629 static int 630 macio_deactivate_resource(device_t bus, device_t child, int type, int rid, 631 struct resource *res) 632 { 633 /* 634 * If this is a memory resource, unmap it. 635 */ 636 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { 637 u_int32_t psize; 638 639 psize = rman_get_size(res); 640 pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize); 641 } 642 643 return (rman_deactivate_resource(res)); 644 } 645 646 647 static struct resource_list * 648 macio_get_resource_list (device_t dev, device_t child) 649 { 650 struct macio_devinfo *dinfo; 651 652 dinfo = device_get_ivars(child); 653 return (&dinfo->mdi_resources); 654 } 655 656 static const struct ofw_bus_devinfo * 657 macio_get_devinfo(device_t dev, device_t child) 658 { 659 struct macio_devinfo *dinfo; 660 661 dinfo = device_get_ivars(child); 662 return (&dinfo->mdi_obdinfo); 663 } 664 665 int 666 macio_enable_wireless(device_t dev, bool enable) 667 { 668 struct macio_softc *sc = device_get_softc(dev); 669 uint32_t x; 670 671 if (enable) { 672 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 673 x |= 0x4; 674 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 675 676 /* Enable card slot. */ 677 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5); 678 DELAY(1000); 679 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4); 680 DELAY(1000); 681 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 682 x &= ~0x80000000; 683 684 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 685 /* out8(gpio + 0x10, 4); */ 686 687 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0); 688 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28); 689 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28); 690 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28); 691 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28); 692 bus_write_4(sc->sc_memr, 0x1c000, 0); 693 694 /* Initialize the card. */ 695 bus_write_4(sc->sc_memr, 0x1a3e0, 0x41); 696 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 697 x |= 0x80000000; 698 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 699 } else { 700 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 701 x &= ~0x4; 702 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 703 /* out8(gpio + 0x10, 0); */ 704 } 705 706 return (0); 707 } 708