macio.c revision 330897
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: stable/11/sys/powerpc/powermac/macio.c 330897 2018-03-14 03:19:51Z eadler $ 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 */ 64struct 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 75static MALLOC_DEFINE(M_MACIO, "macio", "macio device information"); 76 77static int macio_probe(device_t); 78static int macio_attach(device_t); 79static int macio_print_child(device_t dev, device_t child); 80static void macio_probe_nomatch(device_t, device_t); 81static struct resource *macio_alloc_resource(device_t, device_t, int, int *, 82 rman_res_t, rman_res_t, rman_res_t, 83 u_int); 84static int macio_activate_resource(device_t, device_t, int, int, 85 struct resource *); 86static int macio_deactivate_resource(device_t, device_t, int, int, 87 struct resource *); 88static int macio_release_resource(device_t, device_t, int, int, 89 struct resource *); 90static struct resource_list *macio_get_resource_list (device_t, device_t); 91static ofw_bus_get_devinfo_t macio_get_devinfo; 92 93/* 94 * Bus interface definition 95 */ 96static 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 130static driver_t macio_pci_driver = { 131 "macio", 132 macio_methods, 133 sizeof(struct macio_softc) 134}; 135 136devclass_t macio_devclass; 137 138DRIVER_MODULE(macio, pci, macio_pci_driver, macio_devclass, 0, 0); 139 140/* 141 * PCI ID search table 142 */ 143static 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 164struct macio_quirk_entry { 165 const char *mq_name; 166 int mq_quirks; 167}; 168 169static 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 178static int 179macio_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/* 191 * Add an interrupt to the dev's resource list if present 192 */ 193static void 194macio_add_intr(phandle_t devnode, struct macio_devinfo *dinfo) 195{ 196 phandle_t iparent; 197 int *intr; 198 int i, nintr; 199 int icells; 200 201 if (dinfo->mdi_ninterrupts >= 6) { 202 printf("macio: device has more than 6 interrupts\n"); 203 return; 204 } 205 206 nintr = OF_getprop_alloc(devnode, "interrupts", sizeof(*intr), 207 (void **)&intr); 208 if (nintr == -1) { 209 nintr = OF_getprop_alloc(devnode, "AAPL,interrupts", 210 sizeof(*intr), (void **)&intr); 211 if (nintr == -1) 212 return; 213 } 214 215 if (intr[0] == -1) 216 return; 217 218 if (OF_getprop(devnode, "interrupt-parent", &iparent, sizeof(iparent)) 219 <= 0) 220 panic("Interrupt but no interrupt parent!\n"); 221 222 if (OF_getprop(OF_node_from_xref(iparent), "#interrupt-cells", &icells, 223 sizeof(icells)) <= 0) 224 icells = 1; 225 226 for (i = 0; i < nintr; i+=icells) { 227 u_int irq = MAP_IRQ(iparent, intr[i]); 228 229 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ, 230 dinfo->mdi_ninterrupts, irq, irq, 1); 231 232 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = irq; 233 dinfo->mdi_ninterrupts++; 234 } 235} 236 237 238static void 239macio_add_reg(phandle_t devnode, struct macio_devinfo *dinfo) 240{ 241 struct macio_reg *reg, *regp; 242 phandle_t child; 243 char buf[8]; 244 int i, layout_id = 0, nreg, res; 245 246 nreg = OF_getprop_alloc(devnode, "reg", sizeof(*reg), (void **)®); 247 if (nreg == -1) 248 return; 249 250 /* 251 * Some G5's have broken properties in the i2s-a area. If so we try 252 * to fix it. Right now we know of two different cases, one for 253 * sound layout-id 36 and the other one for sound layout-id 76. 254 * What is missing is the base address for the memory addresses. 255 * We take them from the parent node (i2s) and use the size 256 * information from the child. 257 */ 258 259 if (reg[0].mr_base == 0) { 260 child = OF_child(devnode); 261 while (child != 0) { 262 res = OF_getprop(child, "name", buf, sizeof(buf)); 263 if (res > 0 && strcmp(buf, "sound") == 0) 264 break; 265 child = OF_peer(child); 266 } 267 268 res = OF_getprop(child, "layout-id", &layout_id, 269 sizeof(layout_id)); 270 271 if (res > 0 && (layout_id == 36 || layout_id == 76)) { 272 res = OF_getprop_alloc(OF_parent(devnode), "reg", 273 sizeof(*regp), (void **)®p); 274 reg[0] = regp[0]; 275 reg[1].mr_base = regp[1].mr_base; 276 reg[2].mr_base = regp[1].mr_base + reg[1].mr_size; 277 } 278 } 279 280 for (i = 0; i < nreg; i++) { 281 resource_list_add(&dinfo->mdi_resources, SYS_RES_MEMORY, i, 282 reg[i].mr_base, reg[i].mr_base + reg[i].mr_size, 283 reg[i].mr_size); 284 } 285} 286 287/* 288 * PCI probe 289 */ 290static int 291macio_probe(device_t dev) 292{ 293 int i; 294 u_int32_t devid; 295 296 devid = pci_get_devid(dev); 297 for (i = 0; macio_pci_devlist[i].mpd_desc != NULL; i++) { 298 if (devid == macio_pci_devlist[i].mpd_devid) { 299 device_set_desc(dev, macio_pci_devlist[i].mpd_desc); 300 return (0); 301 } 302 } 303 304 return (ENXIO); 305} 306 307/* 308 * PCI attach: scan Open Firmware child nodes, and attach these as children 309 * of the macio bus 310 */ 311static int 312macio_attach(device_t dev) 313{ 314 struct macio_softc *sc; 315 struct macio_devinfo *dinfo; 316 phandle_t root; 317 phandle_t child; 318 phandle_t subchild; 319 device_t cdev; 320 u_int reg[3]; 321 char compat[32]; 322 int error, quirks; 323 324 sc = device_get_softc(dev); 325 root = sc->sc_node = ofw_bus_get_node(dev); 326 327 /* 328 * Locate the device node and it's base address 329 */ 330 if (OF_getprop(root, "assigned-addresses", 331 reg, sizeof(reg)) < (ssize_t)sizeof(reg)) { 332 return (ENXIO); 333 } 334 335 /* Used later to see if we have to enable the I2S part. */ 336 OF_getprop(root, "compatible", compat, sizeof(compat)); 337 338 sc->sc_base = reg[2]; 339 sc->sc_size = MACIO_REG_SIZE; 340 341 sc->sc_memrid = PCIR_BAR(0); 342 sc->sc_memr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 343 &sc->sc_memrid, RF_ACTIVE); 344 345 sc->sc_mem_rman.rm_type = RMAN_ARRAY; 346 sc->sc_mem_rman.rm_descr = "MacIO Device Memory"; 347 error = rman_init(&sc->sc_mem_rman); 348 if (error) { 349 device_printf(dev, "rman_init() failed. error = %d\n", error); 350 return (error); 351 } 352 error = rman_manage_region(&sc->sc_mem_rman, 0, sc->sc_size); 353 if (error) { 354 device_printf(dev, 355 "rman_manage_region() failed. error = %d\n", error); 356 return (error); 357 } 358 359 /* 360 * Iterate through the sub-devices 361 */ 362 for (child = OF_child(root); child != 0; child = OF_peer(child)) { 363 dinfo = malloc(sizeof(*dinfo), M_MACIO, M_WAITOK | M_ZERO); 364 if (ofw_bus_gen_setup_devinfo(&dinfo->mdi_obdinfo, child) != 365 0) { 366 free(dinfo, M_MACIO); 367 continue; 368 } 369 quirks = macio_get_quirks(dinfo->mdi_obdinfo.obd_name); 370 if ((quirks & MACIO_QUIRK_IGNORE) != 0) { 371 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo); 372 free(dinfo, M_MACIO); 373 continue; 374 } 375 resource_list_init(&dinfo->mdi_resources); 376 dinfo->mdi_ninterrupts = 0; 377 macio_add_intr(child, dinfo); 378 if ((quirks & MACIO_QUIRK_USE_CHILD_REG) != 0) 379 macio_add_reg(OF_child(child), dinfo); 380 else 381 macio_add_reg(child, dinfo); 382 if ((quirks & MACIO_QUIRK_CHILD_HAS_INTR) != 0) 383 for (subchild = OF_child(child); subchild != 0; 384 subchild = OF_peer(subchild)) 385 macio_add_intr(subchild, dinfo); 386 cdev = device_add_child(dev, NULL, -1); 387 if (cdev == NULL) { 388 device_printf(dev, "<%s>: device_add_child failed\n", 389 dinfo->mdi_obdinfo.obd_name); 390 resource_list_free(&dinfo->mdi_resources); 391 ofw_bus_gen_destroy_devinfo(&dinfo->mdi_obdinfo); 392 free(dinfo, M_MACIO); 393 continue; 394 } 395 device_set_ivars(cdev, dinfo); 396 397 /* Set FCRs to enable some devices */ 398 if (sc->sc_memr == NULL) 399 continue; 400 401 if (strcmp(ofw_bus_get_name(cdev), "bmac") == 0 || 402 strcmp(ofw_bus_get_compat(cdev), "bmac+") == 0) { 403 uint32_t fcr; 404 405 fcr = bus_read_4(sc->sc_memr, HEATHROW_FCR); 406 407 fcr |= FCR_ENET_ENABLE & ~FCR_ENET_RESET; 408 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 409 DELAY(50000); 410 fcr |= FCR_ENET_RESET; 411 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 412 DELAY(50000); 413 fcr &= ~FCR_ENET_RESET; 414 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 415 DELAY(50000); 416 417 bus_write_4(sc->sc_memr, HEATHROW_FCR, fcr); 418 } 419 420 /* 421 * Make sure the I2S0 and the I2S0_CLK are enabled. 422 * On certain G5's they are not. 423 */ 424 if ((strcmp(ofw_bus_get_name(cdev), "i2s") == 0) && 425 (strcmp(compat, "K2-Keylargo") == 0)) { 426 427 uint32_t fcr1; 428 429 fcr1 = bus_read_4(sc->sc_memr, KEYLARGO_FCR1); 430 fcr1 |= FCR1_I2S0_CLK_ENABLE | FCR1_I2S0_ENABLE; 431 bus_write_4(sc->sc_memr, KEYLARGO_FCR1, fcr1); 432 } 433 434 } 435 436 return (bus_generic_attach(dev)); 437} 438 439 440static int 441macio_print_child(device_t dev, device_t child) 442{ 443 struct macio_devinfo *dinfo; 444 struct resource_list *rl; 445 int retval = 0; 446 447 dinfo = device_get_ivars(child); 448 rl = &dinfo->mdi_resources; 449 450 retval += bus_print_child_header(dev, child); 451 452 retval += resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 453 retval += resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 454 455 retval += bus_print_child_footer(dev, child); 456 457 return (retval); 458} 459 460 461static void 462macio_probe_nomatch(device_t dev, device_t child) 463{ 464 struct macio_devinfo *dinfo; 465 struct resource_list *rl; 466 const char *type; 467 468 if (bootverbose) { 469 dinfo = device_get_ivars(child); 470 rl = &dinfo->mdi_resources; 471 472 if ((type = ofw_bus_get_type(child)) == NULL) 473 type = "(unknown)"; 474 device_printf(dev, "<%s, %s>", type, ofw_bus_get_name(child)); 475 resource_list_print_type(rl, "mem", SYS_RES_MEMORY, "%#jx"); 476 resource_list_print_type(rl, "irq", SYS_RES_IRQ, "%jd"); 477 printf(" (no driver attached)\n"); 478 } 479} 480 481 482static struct resource * 483macio_alloc_resource(device_t bus, device_t child, int type, int *rid, 484 rman_res_t start, rman_res_t end, rman_res_t count, 485 u_int flags) 486{ 487 struct macio_softc *sc; 488 int needactivate; 489 struct resource *rv; 490 struct rman *rm; 491 u_long adjstart, adjend, adjcount; 492 struct macio_devinfo *dinfo; 493 struct resource_list_entry *rle; 494 495 sc = device_get_softc(bus); 496 dinfo = device_get_ivars(child); 497 498 needactivate = flags & RF_ACTIVE; 499 flags &= ~RF_ACTIVE; 500 501 switch (type) { 502 case SYS_RES_MEMORY: 503 case SYS_RES_IOPORT: 504 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_MEMORY, 505 *rid); 506 if (rle == NULL) { 507 device_printf(bus, "no rle for %s memory %d\n", 508 device_get_nameunit(child), *rid); 509 return (NULL); 510 } 511 512 if (start < rle->start) 513 adjstart = rle->start; 514 else if (start > rle->end) 515 adjstart = rle->end; 516 else 517 adjstart = start; 518 519 if (end < rle->start) 520 adjend = rle->start; 521 else if (end > rle->end) 522 adjend = rle->end; 523 else 524 adjend = end; 525 526 adjcount = adjend - adjstart; 527 528 rm = &sc->sc_mem_rman; 529 break; 530 531 case SYS_RES_IRQ: 532 /* Check for passthrough from subattachments like macgpio */ 533 if (device_get_parent(child) != bus) 534 return BUS_ALLOC_RESOURCE(device_get_parent(bus), child, 535 type, rid, start, end, count, flags); 536 537 rle = resource_list_find(&dinfo->mdi_resources, SYS_RES_IRQ, 538 *rid); 539 if (rle == NULL) { 540 if (dinfo->mdi_ninterrupts >= 6) { 541 device_printf(bus, 542 "%s has more than 6 interrupts\n", 543 device_get_nameunit(child)); 544 return (NULL); 545 } 546 resource_list_add(&dinfo->mdi_resources, SYS_RES_IRQ, 547 dinfo->mdi_ninterrupts, start, start, 1); 548 549 dinfo->mdi_interrupts[dinfo->mdi_ninterrupts] = start; 550 dinfo->mdi_ninterrupts++; 551 } 552 553 return (resource_list_alloc(&dinfo->mdi_resources, bus, child, 554 type, rid, start, end, count, flags)); 555 556 default: 557 device_printf(bus, "unknown resource request from %s\n", 558 device_get_nameunit(child)); 559 return (NULL); 560 } 561 562 rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags, 563 child); 564 if (rv == NULL) { 565 device_printf(bus, 566 "failed to reserve resource %#lx - %#lx (%#lx) for %s\n", 567 adjstart, adjend, adjcount, device_get_nameunit(child)); 568 return (NULL); 569 } 570 571 rman_set_rid(rv, *rid); 572 573 if (needactivate) { 574 if (bus_activate_resource(child, type, *rid, rv) != 0) { 575 device_printf(bus, 576 "failed to activate resource for %s\n", 577 device_get_nameunit(child)); 578 rman_release_resource(rv); 579 return (NULL); 580 } 581 } 582 583 return (rv); 584} 585 586 587static int 588macio_release_resource(device_t bus, device_t child, int type, int rid, 589 struct resource *res) 590{ 591 if (rman_get_flags(res) & RF_ACTIVE) { 592 int error = bus_deactivate_resource(child, type, rid, res); 593 if (error) 594 return error; 595 } 596 597 return (rman_release_resource(res)); 598} 599 600 601static int 602macio_activate_resource(device_t bus, device_t child, int type, int rid, 603 struct resource *res) 604{ 605 struct macio_softc *sc; 606 void *p; 607 608 sc = device_get_softc(bus); 609 610 if (type == SYS_RES_IRQ) 611 return (bus_activate_resource(bus, type, rid, res)); 612 613 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { 614 p = pmap_mapdev((vm_offset_t)rman_get_start(res) + sc->sc_base, 615 (vm_size_t)rman_get_size(res)); 616 if (p == NULL) 617 return (ENOMEM); 618 rman_set_virtual(res, p); 619 rman_set_bustag(res, &bs_le_tag); 620 rman_set_bushandle(res, (u_long)p); 621 } 622 623 return (rman_activate_resource(res)); 624} 625 626 627static int 628macio_deactivate_resource(device_t bus, device_t child, int type, int rid, 629 struct resource *res) 630{ 631 /* 632 * If this is a memory resource, unmap it. 633 */ 634 if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) { 635 u_int32_t psize; 636 637 psize = rman_get_size(res); 638 pmap_unmapdev((vm_offset_t)rman_get_virtual(res), psize); 639 } 640 641 return (rman_deactivate_resource(res)); 642} 643 644 645static struct resource_list * 646macio_get_resource_list (device_t dev, device_t child) 647{ 648 struct macio_devinfo *dinfo; 649 650 dinfo = device_get_ivars(child); 651 return (&dinfo->mdi_resources); 652} 653 654static const struct ofw_bus_devinfo * 655macio_get_devinfo(device_t dev, device_t child) 656{ 657 struct macio_devinfo *dinfo; 658 659 dinfo = device_get_ivars(child); 660 return (&dinfo->mdi_obdinfo); 661} 662 663int 664macio_enable_wireless(device_t dev, bool enable) 665{ 666 struct macio_softc *sc = device_get_softc(dev); 667 uint32_t x; 668 669 if (enable) { 670 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 671 x |= 0x4; 672 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 673 674 /* Enable card slot. */ 675 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5); 676 DELAY(1000); 677 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4); 678 DELAY(1000); 679 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 680 x &= ~0x80000000; 681 682 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 683 /* out8(gpio + 0x10, 4); */ 684 685 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0); 686 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28); 687 bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28); 688 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28); 689 bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28); 690 bus_write_4(sc->sc_memr, 0x1c000, 0); 691 692 /* Initialize the card. */ 693 bus_write_4(sc->sc_memr, 0x1a3e0, 0x41); 694 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 695 x |= 0x80000000; 696 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 697 } else { 698 x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2); 699 x &= ~0x4; 700 bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x); 701 /* out8(gpio + 0x10, 0); */ 702 } 703 704 return (0); 705} 706