1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * ISA bus nexus driver 28 */ 29 30 #include <sys/types.h> 31 #include <sys/cmn_err.h> 32 #include <sys/conf.h> 33 #include <sys/modctl.h> 34 #include <sys/autoconf.h> 35 #include <sys/errno.h> 36 #include <sys/debug.h> 37 #include <sys/kmem.h> 38 #include <sys/psm.h> 39 #include <sys/ddidmareq.h> 40 #include <sys/ddi_impldefs.h> 41 #include <sys/ddi_subrdefs.h> 42 #include <sys/dma_engine.h> 43 #include <sys/ddi.h> 44 #include <sys/sunddi.h> 45 #include <sys/sunndi.h> 46 #include <sys/acpi/acpi_enum.h> 47 #include <sys/mach_intr.h> 48 #include <sys/pci.h> 49 #include <sys/note.h> 50 #include <sys/boot_console.h> 51 #if defined(__xpv) 52 #include <sys/hypervisor.h> 53 #include <sys/evtchn_impl.h> 54 55 extern int console_hypervisor_device; 56 #endif 57 58 extern int pseudo_isa; 59 extern int isa_resource_setup(void); 60 extern int (*psm_intr_ops)(dev_info_t *, ddi_intr_handle_impl_t *, 61 psm_intr_op_t, int *); 62 extern void pci_register_isa_resources(int, uint32_t, uint32_t); 63 static char USED_RESOURCES[] = "used-resources"; 64 static void isa_enumerate(int); 65 static void enumerate_BIOS_serial(dev_info_t *); 66 static void adjust_prtsz(dev_info_t *isa_dip); 67 static void isa_create_ranges_prop(dev_info_t *); 68 69 /* 70 * The following typedef is used to represent an entry in the "ranges" 71 * property of a pci-isa bridge device node. 72 */ 73 typedef struct { 74 uint32_t child_high; 75 uint32_t child_low; 76 uint32_t parent_high; 77 uint32_t parent_mid; 78 uint32_t parent_low; 79 uint32_t size; 80 } pib_ranges_t; 81 82 typedef struct { 83 uint32_t base; 84 uint32_t len; 85 } used_ranges_t; 86 87 #define USED_CELL_SIZE 2 /* 1 byte addr, 1 byte size */ 88 #define ISA_ADDR_IO 1 /* IO address space */ 89 #define ISA_ADDR_MEM 0 /* memory adress space */ 90 #define BIOS_DATA_AREA 0x400 91 /* 92 * #define ISA_DEBUG 1 93 */ 94 95 /* 96 * For serial ports not enumerated by ACPI, and parallel ports with 97 * illegal size. Typically, a system can have as many as 4 serial 98 * ports and 3 parallel ports. 99 */ 100 #define MAX_EXTRA_RESOURCE 7 101 static struct regspec isa_extra_resource[MAX_EXTRA_RESOURCE]; 102 static int isa_extra_count = 0; 103 104 /* 105 * Local data 106 */ 107 static ddi_dma_lim_t ISA_dma_limits = { 108 0, /* address low */ 109 0x00ffffff, /* address high */ 110 0, /* counter max */ 111 1, /* burstsize */ 112 DMA_UNIT_8, /* minimum xfer */ 113 0, /* dma speed */ 114 (uint_t)DMALIM_VER0, /* version */ 115 0x0000ffff, /* address register */ 116 0x0000ffff, /* counter register */ 117 1, /* sector size */ 118 0x00000001, /* scatter/gather list length */ 119 (uint_t)0xffffffff /* request size */ 120 }; 121 122 static ddi_dma_attr_t ISA_dma_attr = { 123 DMA_ATTR_V0, 124 (unsigned long long)0, 125 (unsigned long long)0x00ffffff, 126 0x0000ffff, 127 1, 128 1, 129 1, 130 (unsigned long long)0xffffffff, 131 (unsigned long long)0x0000ffff, 132 1, 133 1, 134 0 135 }; 136 137 138 /* 139 * Config information 140 */ 141 142 static int 143 isa_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, 144 off_t offset, off_t len, caddr_t *vaddrp); 145 146 static int 147 isa_dma_allochdl(dev_info_t *, dev_info_t *, ddi_dma_attr_t *, 148 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *); 149 150 static int 151 isa_dma_mctl(dev_info_t *, dev_info_t *, ddi_dma_handle_t, enum ddi_dma_ctlops, 152 off_t *, size_t *, caddr_t *, uint_t); 153 154 static int 155 isa_ctlops(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *, void *); 156 157 static int 158 isa_intr_ops(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_op_t intr_op, 159 ddi_intr_handle_impl_t *hdlp, void *result); 160 161 struct bus_ops isa_bus_ops = { 162 BUSO_REV, 163 isa_bus_map, 164 NULL, 165 NULL, 166 NULL, 167 i_ddi_map_fault, 168 ddi_dma_map, 169 isa_dma_allochdl, 170 ddi_dma_freehdl, 171 ddi_dma_bindhdl, 172 ddi_dma_unbindhdl, 173 ddi_dma_flush, 174 ddi_dma_win, 175 isa_dma_mctl, 176 isa_ctlops, 177 ddi_bus_prop_op, 178 NULL, /* (*bus_get_eventcookie)(); */ 179 NULL, /* (*bus_add_eventcall)(); */ 180 NULL, /* (*bus_remove_eventcall)(); */ 181 NULL, /* (*bus_post_event)(); */ 182 NULL, /* (*bus_intr_ctl)(); */ 183 NULL, /* (*bus_config)(); */ 184 NULL, /* (*bus_unconfig)(); */ 185 NULL, /* (*bus_fm_init)(); */ 186 NULL, /* (*bus_fm_fini)(); */ 187 NULL, /* (*bus_fm_access_enter)(); */ 188 NULL, /* (*bus_fm_access_exit)(); */ 189 NULL, /* (*bus_power)(); */ 190 isa_intr_ops /* (*bus_intr_op)(); */ 191 }; 192 193 194 static int isa_attach(dev_info_t *devi, ddi_attach_cmd_t cmd); 195 196 /* 197 * Internal isa ctlops support routines 198 */ 199 static int isa_initchild(dev_info_t *child); 200 201 struct dev_ops isa_ops = { 202 DEVO_REV, /* devo_rev, */ 203 0, /* refcnt */ 204 ddi_no_info, /* info */ 205 nulldev, /* identify */ 206 nulldev, /* probe */ 207 isa_attach, /* attach */ 208 nulldev, /* detach */ 209 nodev, /* reset */ 210 (struct cb_ops *)0, /* driver operations */ 211 &isa_bus_ops, /* bus operations */ 212 NULL, /* power */ 213 ddi_quiesce_not_needed, /* quiesce */ 214 }; 215 216 /* 217 * Module linkage information for the kernel. 218 */ 219 220 static struct modldrv modldrv = { 221 &mod_driverops, /* Type of module. This is ISA bus driver */ 222 "isa nexus driver for 'ISA'", 223 &isa_ops, /* driver ops */ 224 }; 225 226 static struct modlinkage modlinkage = { 227 MODREV_1, 228 &modldrv, 229 NULL 230 }; 231 232 int 233 _init(void) 234 { 235 int err; 236 237 if ((err = mod_install(&modlinkage)) != 0) 238 return (err); 239 240 impl_bus_add_probe(isa_enumerate); 241 return (0); 242 } 243 244 int 245 _fini(void) 246 { 247 int err; 248 249 impl_bus_delete_probe(isa_enumerate); 250 251 if ((err = mod_remove(&modlinkage)) != 0) 252 return (err); 253 254 return (0); 255 } 256 257 int 258 _info(struct modinfo *modinfop) 259 { 260 return (mod_info(&modlinkage, modinfop)); 261 } 262 263 static int 264 isa_attach(dev_info_t *devi, ddi_attach_cmd_t cmd) 265 { 266 int rval; 267 268 #if defined(__xpv) 269 /* 270 * don't allow isa to attach in domU. this can happen if someone sets 271 * the console wrong, etc. ISA devices assume the H/W is there and 272 * will cause the domU to panic. 273 */ 274 if (!DOMAIN_IS_INITDOMAIN(xen_info)) { 275 return (DDI_FAILURE); 276 } 277 #endif 278 279 switch (cmd) { 280 case DDI_ATTACH: 281 break; 282 case DDI_RESUME: 283 return (DDI_SUCCESS); 284 default: 285 return (DDI_FAILURE); 286 } 287 288 if ((rval = i_dmae_init(devi)) == DDI_SUCCESS) 289 ddi_report_dev(devi); 290 291 return (rval); 292 } 293 294 #define SET_RNGS(rng_p, used_p, ctyp, ptyp) do { \ 295 (rng_p)->child_high = (ctyp); \ 296 (rng_p)->child_low = (rng_p)->parent_low = (used_p)->base; \ 297 (rng_p)->parent_high = (ptyp); \ 298 (rng_p)->parent_mid = 0; \ 299 (rng_p)->size = (used_p)->len; \ 300 _NOTE(CONSTCOND) } while (0) 301 static uint_t 302 isa_used_to_ranges(int ctype, int *array, uint_t size, pib_ranges_t *ranges) 303 { 304 used_ranges_t *used_p; 305 pib_ranges_t *rng_p = ranges; 306 uint_t i, ptype; 307 308 ptype = (ctype == ISA_ADDR_IO) ? PCI_ADDR_IO : PCI_ADDR_MEM32; 309 ptype |= PCI_REG_REL_M; 310 size /= USED_CELL_SIZE; 311 used_p = (used_ranges_t *)array; 312 SET_RNGS(rng_p, used_p, ctype, ptype); 313 for (i = 1, used_p++; i < size; i++, used_p++) { 314 /* merge ranges record if applicable */ 315 if (rng_p->child_low + rng_p->size == used_p->base) 316 rng_p->size += used_p->len; 317 else { 318 rng_p++; 319 SET_RNGS(rng_p, used_p, ctype, ptype); 320 } 321 } 322 return (rng_p - ranges + 1); 323 } 324 325 void 326 isa_remove_res_from_pci(int type, int *array, uint_t size) 327 { 328 int i; 329 used_ranges_t *used_p; 330 331 size /= USED_CELL_SIZE; 332 used_p = (used_ranges_t *)array; 333 for (i = 0; i < size; i++, used_p++) 334 pci_register_isa_resources(type, used_p->base, used_p->len); 335 } 336 337 static void 338 isa_create_ranges_prop(dev_info_t *dip) 339 { 340 dev_info_t *used; 341 int *ioarray, *memarray, status; 342 uint_t nio = 0, nmem = 0, nrng = 0, n; 343 pib_ranges_t *ranges; 344 345 used = ddi_find_devinfo("used-resources", -1, 0); 346 if (used == NULL) { 347 cmn_err(CE_WARN, "Failed to find used-resources <%s>\n", 348 ddi_get_name(dip)); 349 return; 350 } 351 status = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, used, 352 DDI_PROP_DONTPASS, "io-space", &ioarray, &nio); 353 if (status != DDI_PROP_SUCCESS && status != DDI_PROP_NOT_FOUND) { 354 cmn_err(CE_WARN, "io-space property failure for %s (%x)\n", 355 ddi_get_name(used), status); 356 return; 357 } 358 status = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, used, 359 DDI_PROP_DONTPASS, "device-memory", &memarray, &nmem); 360 if (status != DDI_PROP_SUCCESS && status != DDI_PROP_NOT_FOUND) { 361 cmn_err(CE_WARN, "device-memory property failure for %s (%x)\n", 362 ddi_get_name(used), status); 363 return; 364 } 365 n = (nio + nmem) / USED_CELL_SIZE; 366 ranges = (pib_ranges_t *)kmem_zalloc(sizeof (pib_ranges_t) * n, 367 KM_SLEEP); 368 369 if (nio != 0) { 370 nrng = isa_used_to_ranges(ISA_ADDR_IO, ioarray, nio, ranges); 371 isa_remove_res_from_pci(ISA_ADDR_IO, ioarray, nio); 372 ddi_prop_free(ioarray); 373 } 374 if (nmem != 0) { 375 nrng += isa_used_to_ranges(ISA_ADDR_MEM, memarray, nmem, 376 ranges + nrng); 377 isa_remove_res_from_pci(ISA_ADDR_MEM, memarray, nmem); 378 ddi_prop_free(memarray); 379 } 380 381 if (!pseudo_isa) 382 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, dip, "ranges", 383 (int *)ranges, nrng * sizeof (pib_ranges_t) / sizeof (int)); 384 kmem_free(ranges, sizeof (pib_ranges_t) * n); 385 } 386 387 /*ARGSUSED*/ 388 static int 389 isa_apply_range(dev_info_t *dip, struct regspec *isa_reg_p, 390 pci_regspec_t *pci_reg_p) 391 { 392 pib_ranges_t *ranges, *rng_p; 393 int len, i, offset, nrange; 394 395 if (ddi_getlongprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 396 "ranges", (caddr_t)&ranges, &len) != DDI_SUCCESS) { 397 cmn_err(CE_WARN, "Can't get %s ranges property", 398 ddi_get_name(dip)); 399 return (DDI_ME_REGSPEC_RANGE); 400 } 401 nrange = len / sizeof (pib_ranges_t); 402 rng_p = ranges; 403 for (i = 0; i < nrange; i++, rng_p++) { 404 /* Check for correct space */ 405 if (isa_reg_p->regspec_bustype != rng_p->child_high) 406 continue; 407 408 /* Detect whether request entirely fits within a range */ 409 if (isa_reg_p->regspec_addr < rng_p->child_low) 410 continue; 411 if ((isa_reg_p->regspec_addr + isa_reg_p->regspec_size - 1) > 412 (rng_p->child_low + rng_p->size - 1)) 413 continue; 414 415 offset = isa_reg_p->regspec_addr - rng_p->child_low; 416 417 pci_reg_p->pci_phys_hi = rng_p->parent_high; 418 pci_reg_p->pci_phys_mid = 0; 419 pci_reg_p->pci_phys_low = rng_p->parent_low + offset; 420 pci_reg_p->pci_size_hi = 0; 421 pci_reg_p->pci_size_low = isa_reg_p->regspec_size; 422 423 break; 424 } 425 kmem_free(ranges, len); 426 427 if (i < nrange) 428 return (DDI_SUCCESS); 429 430 /* 431 * Check extra resource range specially for serial and parallel 432 * devices, which are treated differently from all other ISA 433 * devices. On some machines, serial ports are not enumerated 434 * by ACPI but by BIOS, with io base addresses noted in legacy 435 * BIOS data area. Parallel port on some machines comes with 436 * illegal size. 437 */ 438 if (isa_reg_p->regspec_bustype != ISA_ADDR_IO) 439 goto out_of_range; 440 441 for (i = 0; i < isa_extra_count; i++) { 442 struct regspec *reg_p = &isa_extra_resource[i]; 443 444 if (isa_reg_p->regspec_addr < reg_p->regspec_addr) 445 continue; 446 if ((isa_reg_p->regspec_addr + isa_reg_p->regspec_size) > 447 (reg_p->regspec_addr + reg_p->regspec_size)) 448 continue; 449 450 pci_reg_p->pci_phys_hi = PCI_ADDR_IO | PCI_REG_REL_M; 451 pci_reg_p->pci_phys_mid = 0; 452 pci_reg_p->pci_phys_low = isa_reg_p->regspec_addr; 453 pci_reg_p->pci_size_hi = 0; 454 pci_reg_p->pci_size_low = isa_reg_p->regspec_size; 455 break; 456 } 457 if (i < isa_extra_count) 458 return (DDI_SUCCESS); 459 460 out_of_range: 461 cmn_err(CE_WARN, "isa_apply_range: Out of range base <0x%x>, size <%d>", 462 isa_reg_p->regspec_addr, isa_reg_p->regspec_size); 463 return (DDI_ME_REGSPEC_RANGE); 464 } 465 466 static int 467 isa_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp, 468 off_t offset, off_t len, caddr_t *vaddrp) 469 { 470 struct regspec tmp_reg, *rp; 471 pci_regspec_t vreg; 472 ddi_map_req_t mr = *mp; /* Get private copy of request */ 473 int error; 474 475 if (pseudo_isa) 476 return (i_ddi_bus_map(dip, rdip, mp, offset, len, vaddrp)); 477 478 mp = &mr; 479 480 /* 481 * First, if given an rnumber, convert it to a regspec... 482 */ 483 if (mp->map_type == DDI_MT_RNUMBER) { 484 485 int rnumber = mp->map_obj.rnumber; 486 487 rp = i_ddi_rnumber_to_regspec(rdip, rnumber); 488 if (rp == (struct regspec *)0) 489 return (DDI_ME_RNUMBER_RANGE); 490 491 /* 492 * Convert the given ddi_map_req_t from rnumber to regspec... 493 */ 494 mp->map_type = DDI_MT_REGSPEC; 495 mp->map_obj.rp = rp; 496 } 497 498 /* 499 * Adjust offset and length correspnding to called values... 500 * XXX: A non-zero length means override the one in the regspec. 501 * XXX: (Regardless of what's in the parent's range) 502 */ 503 504 tmp_reg = *(mp->map_obj.rp); /* Preserve underlying data */ 505 rp = mp->map_obj.rp = &tmp_reg; /* Use tmp_reg in request */ 506 507 rp->regspec_addr += (uint_t)offset; 508 if (len != 0) 509 rp->regspec_size = (uint_t)len; 510 511 if ((error = isa_apply_range(dip, rp, &vreg)) != 0) 512 return (error); 513 mp->map_obj.rp = (struct regspec *)&vreg; 514 515 /* 516 * Call my parents bus_map function with modified values... 517 */ 518 519 return (ddi_map(dip, mp, (off_t)0, (off_t)0, vaddrp)); 520 } 521 522 static int 523 isa_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *dma_attr, 524 int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep) 525 { 526 ddi_dma_attr_merge(dma_attr, &ISA_dma_attr); 527 return (ddi_dma_allochdl(dip, rdip, dma_attr, waitfp, arg, handlep)); 528 } 529 530 static int 531 isa_dma_mctl(dev_info_t *dip, dev_info_t *rdip, 532 ddi_dma_handle_t handle, enum ddi_dma_ctlops request, 533 off_t *offp, size_t *lenp, caddr_t *objp, uint_t flags) 534 { 535 int rval; 536 ddi_dma_lim_t defalt; 537 int arg = (int)(uintptr_t)objp; 538 539 switch (request) { 540 541 case DDI_DMA_E_PROG: 542 return (i_dmae_prog(rdip, (struct ddi_dmae_req *)offp, 543 (ddi_dma_cookie_t *)lenp, arg)); 544 545 case DDI_DMA_E_ACQUIRE: 546 return (i_dmae_acquire(rdip, arg, (int(*)(caddr_t))offp, 547 (caddr_t)lenp)); 548 549 case DDI_DMA_E_FREE: 550 return (i_dmae_free(rdip, arg)); 551 552 case DDI_DMA_E_STOP: 553 i_dmae_stop(rdip, arg); 554 return (DDI_SUCCESS); 555 556 case DDI_DMA_E_ENABLE: 557 i_dmae_enable(rdip, arg); 558 return (DDI_SUCCESS); 559 560 case DDI_DMA_E_DISABLE: 561 i_dmae_disable(rdip, arg); 562 return (DDI_SUCCESS); 563 564 case DDI_DMA_E_GETCNT: 565 i_dmae_get_chan_stat(rdip, arg, NULL, (int *)lenp); 566 return (DDI_SUCCESS); 567 568 case DDI_DMA_E_SWSETUP: 569 return (i_dmae_swsetup(rdip, (struct ddi_dmae_req *)offp, 570 (ddi_dma_cookie_t *)lenp, arg)); 571 572 case DDI_DMA_E_SWSTART: 573 i_dmae_swstart(rdip, arg); 574 return (DDI_SUCCESS); 575 576 case DDI_DMA_E_GETLIM: 577 bcopy(&ISA_dma_limits, objp, sizeof (ddi_dma_lim_t)); 578 return (DDI_SUCCESS); 579 580 case DDI_DMA_E_GETATTR: 581 bcopy(&ISA_dma_attr, objp, sizeof (ddi_dma_attr_t)); 582 return (DDI_SUCCESS); 583 584 case DDI_DMA_E_1STPTY: 585 { 586 struct ddi_dmae_req req1stpty = 587 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; 588 if (arg == 0) { 589 req1stpty.der_command = DMAE_CMD_TRAN; 590 req1stpty.der_trans = DMAE_TRANS_DMND; 591 } else { 592 req1stpty.der_trans = DMAE_TRANS_CSCD; 593 } 594 return (i_dmae_prog(rdip, &req1stpty, NULL, arg)); 595 } 596 597 case DDI_DMA_IOPB_ALLOC: /* get contiguous DMA-able memory */ 598 case DDI_DMA_SMEM_ALLOC: 599 if (!offp) { 600 defalt = ISA_dma_limits; 601 offp = (off_t *)&defalt; 602 } 603 /*FALLTHROUGH*/ 604 default: 605 rval = ddi_dma_mctl(dip, rdip, handle, request, offp, 606 lenp, objp, flags); 607 } 608 return (rval); 609 } 610 611 /* 612 * Check if driver should be treated as an old pre 2.6 driver 613 */ 614 static int 615 old_driver(dev_info_t *dip) 616 { 617 extern int ignore_hardware_nodes; /* force flag from ddi_impl.c */ 618 619 if (ndi_dev_is_persistent_node(dip)) { 620 if (ignore_hardware_nodes) 621 return (1); 622 if (ddi_getprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 623 "ignore-hardware-nodes", -1) != -1) 624 return (1); 625 } 626 return (0); 627 } 628 629 typedef struct { 630 uint32_t phys_hi; 631 uint32_t phys_lo; 632 uint32_t size; 633 } isa_regs_t; 634 635 /* 636 * Return non-zero if device in tree is a PnP isa device 637 */ 638 static int 639 is_pnpisa(dev_info_t *dip) 640 { 641 isa_regs_t *isa_regs; 642 int proplen, pnpisa; 643 644 if (ndi_dev_is_persistent_node(dip) == 0) 645 return (0); 646 if (ddi_getlongprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "reg", 647 (caddr_t)&isa_regs, &proplen) != DDI_PROP_SUCCESS) { 648 return (0); 649 } 650 pnpisa = isa_regs[0].phys_hi & 0x80000000; 651 /* 652 * free the memory allocated by ddi_getlongprop(). 653 */ 654 kmem_free(isa_regs, proplen); 655 if (pnpisa) 656 return (1); 657 else 658 return (0); 659 } 660 661 /*ARGSUSED*/ 662 static int 663 isa_ctlops(dev_info_t *dip, dev_info_t *rdip, 664 ddi_ctl_enum_t ctlop, void *arg, void *result) 665 { 666 int rn; 667 struct ddi_parent_private_data *pdp; 668 669 switch (ctlop) { 670 case DDI_CTLOPS_REPORTDEV: 671 if (rdip == (dev_info_t *)0) 672 return (DDI_FAILURE); 673 cmn_err(CE_CONT, "?ISA-device: %s%d\n", 674 ddi_driver_name(rdip), ddi_get_instance(rdip)); 675 return (DDI_SUCCESS); 676 677 case DDI_CTLOPS_INITCHILD: 678 /* 679 * older drivers aren't expecting the "standard" device 680 * node format used by the hardware nodes. these drivers 681 * only expect their own properties set in their driver.conf 682 * files. so they tell us not to call them with hardware 683 * nodes by setting the property "ignore-hardware-nodes". 684 */ 685 if (old_driver((dev_info_t *)arg)) { 686 return (DDI_NOT_WELL_FORMED); 687 } 688 689 return (isa_initchild((dev_info_t *)arg)); 690 691 case DDI_CTLOPS_UNINITCHILD: 692 impl_ddi_sunbus_removechild((dev_info_t *)arg); 693 return (DDI_SUCCESS); 694 695 case DDI_CTLOPS_SIDDEV: 696 /* 697 * All ISA devices need to do confirming probes 698 * unless they are PnP ISA. 699 */ 700 if (is_pnpisa(dip)) 701 return (DDI_SUCCESS); 702 else 703 return (DDI_FAILURE); 704 705 case DDI_CTLOPS_REGSIZE: 706 case DDI_CTLOPS_NREGS: 707 if (rdip == (dev_info_t *)0) 708 return (DDI_FAILURE); 709 710 if ((pdp = ddi_get_parent_data(rdip)) == NULL) 711 return (DDI_FAILURE); 712 713 if (ctlop == DDI_CTLOPS_NREGS) { 714 *(int *)result = pdp->par_nreg; 715 } else { 716 rn = *(int *)arg; 717 if (rn >= pdp->par_nreg) 718 return (DDI_FAILURE); 719 *(off_t *)result = (off_t)pdp->par_reg[rn].regspec_size; 720 } 721 return (DDI_SUCCESS); 722 723 case DDI_CTLOPS_ATTACH: 724 case DDI_CTLOPS_DETACH: 725 case DDI_CTLOPS_PEEK: 726 case DDI_CTLOPS_POKE: 727 return (DDI_FAILURE); 728 729 default: 730 return (ddi_ctlops(dip, rdip, ctlop, arg, result)); 731 } 732 } 733 734 static struct intrspec * 735 isa_get_ispec(dev_info_t *rdip, int inum) 736 { 737 struct ddi_parent_private_data *pdp = ddi_get_parent_data(rdip); 738 739 /* Validate the interrupt number */ 740 if (inum >= pdp->par_nintr) 741 return (NULL); 742 743 /* Get the interrupt structure pointer and return that */ 744 return ((struct intrspec *)&pdp->par_intr[inum]); 745 } 746 747 static int 748 isa_intr_ops(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_op_t intr_op, 749 ddi_intr_handle_impl_t *hdlp, void *result) 750 { 751 struct intrspec *ispec; 752 753 if (pseudo_isa) 754 return (i_ddi_intr_ops(pdip, rdip, intr_op, hdlp, result)); 755 756 757 /* Process the interrupt operation */ 758 switch (intr_op) { 759 case DDI_INTROP_GETCAP: 760 /* First check with pcplusmp */ 761 if (psm_intr_ops == NULL) 762 return (DDI_FAILURE); 763 764 if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_CAP, result)) { 765 *(int *)result = 0; 766 return (DDI_FAILURE); 767 } 768 break; 769 case DDI_INTROP_SETCAP: 770 if (psm_intr_ops == NULL) 771 return (DDI_FAILURE); 772 773 if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_CAP, result)) 774 return (DDI_FAILURE); 775 break; 776 case DDI_INTROP_ALLOC: 777 if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL) 778 return (DDI_FAILURE); 779 hdlp->ih_pri = ispec->intrspec_pri; 780 *(int *)result = hdlp->ih_scratch1; 781 break; 782 case DDI_INTROP_FREE: 783 break; 784 case DDI_INTROP_GETPRI: 785 if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL) 786 return (DDI_FAILURE); 787 *(int *)result = ispec->intrspec_pri; 788 break; 789 case DDI_INTROP_SETPRI: 790 /* Validate the interrupt priority passed to us */ 791 if (*(int *)result > LOCK_LEVEL) 792 return (DDI_FAILURE); 793 794 /* Ensure that PSM is all initialized and ispec is ok */ 795 if ((psm_intr_ops == NULL) || 796 ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL)) 797 return (DDI_FAILURE); 798 799 /* update the ispec with the new priority */ 800 ispec->intrspec_pri = *(int *)result; 801 break; 802 case DDI_INTROP_ADDISR: 803 if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL) 804 return (DDI_FAILURE); 805 ispec->intrspec_func = hdlp->ih_cb_func; 806 break; 807 case DDI_INTROP_REMISR: 808 if (hdlp->ih_type != DDI_INTR_TYPE_FIXED) 809 return (DDI_FAILURE); 810 if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL) 811 return (DDI_FAILURE); 812 ispec->intrspec_func = (uint_t (*)()) 0; 813 break; 814 case DDI_INTROP_ENABLE: 815 if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL) 816 return (DDI_FAILURE); 817 818 /* Call psmi to translate irq with the dip */ 819 if (psm_intr_ops == NULL) 820 return (DDI_FAILURE); 821 822 #if defined(__xpv) 823 /* 824 * if the hypervisor is using an isa serial port for the 825 * console, make sure we don't try to use that interrupt as 826 * it will cause us to panic when xen_bind_pirq() fails. 827 */ 828 if (((ispec->intrspec_vec == 4) && 829 (console_hypervisor_device == CONS_TTYA)) || 830 ((ispec->intrspec_vec == 3) && 831 (console_hypervisor_device == CONS_TTYB))) { 832 return (DDI_FAILURE); 833 } 834 #endif 835 ((ihdl_plat_t *)hdlp->ih_private)->ip_ispecp = ispec; 836 (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_XLATE_VECTOR, 837 (int *)&hdlp->ih_vector); 838 839 /* Add the interrupt handler */ 840 if (!add_avintr((void *)hdlp, ispec->intrspec_pri, 841 hdlp->ih_cb_func, DEVI(rdip)->devi_name, hdlp->ih_vector, 842 hdlp->ih_cb_arg1, hdlp->ih_cb_arg2, NULL, rdip)) 843 return (DDI_FAILURE); 844 break; 845 case DDI_INTROP_DISABLE: 846 if ((ispec = isa_get_ispec(rdip, hdlp->ih_inum)) == NULL) 847 return (DDI_FAILURE); 848 849 /* Call psm_ops() to translate irq with the dip */ 850 if (psm_intr_ops == NULL) 851 return (DDI_FAILURE); 852 853 ((ihdl_plat_t *)hdlp->ih_private)->ip_ispecp = ispec; 854 (void) (*psm_intr_ops)(rdip, hdlp, 855 PSM_INTR_OP_XLATE_VECTOR, (int *)&hdlp->ih_vector); 856 857 /* Remove the interrupt handler */ 858 rem_avintr((void *)hdlp, ispec->intrspec_pri, 859 hdlp->ih_cb_func, hdlp->ih_vector); 860 break; 861 case DDI_INTROP_SETMASK: 862 if (psm_intr_ops == NULL) 863 return (DDI_FAILURE); 864 865 if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_MASK, NULL)) 866 return (DDI_FAILURE); 867 break; 868 case DDI_INTROP_CLRMASK: 869 if (psm_intr_ops == NULL) 870 return (DDI_FAILURE); 871 872 if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_CLEAR_MASK, NULL)) 873 return (DDI_FAILURE); 874 break; 875 case DDI_INTROP_GETPENDING: 876 if (psm_intr_ops == NULL) 877 return (DDI_FAILURE); 878 879 if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_PENDING, 880 result)) { 881 *(int *)result = 0; 882 return (DDI_FAILURE); 883 } 884 break; 885 case DDI_INTROP_NAVAIL: 886 case DDI_INTROP_NINTRS: 887 *(int *)result = i_ddi_get_intx_nintrs(rdip); 888 if (*(int *)result == 0) { 889 return (DDI_FAILURE); 890 } 891 break; 892 case DDI_INTROP_SUPPORTED_TYPES: 893 *(int *)result = DDI_INTR_TYPE_FIXED; /* Always ... */ 894 break; 895 default: 896 return (DDI_FAILURE); 897 } 898 899 return (DDI_SUCCESS); 900 } 901 902 static void 903 isa_vendor(uint32_t id, char *vendor) 904 { 905 vendor[0] = '@' + ((id >> 26) & 0x1f); 906 vendor[1] = '@' + ((id >> 21) & 0x1f); 907 vendor[2] = '@' + ((id >> 16) & 0x1f); 908 vendor[3] = 0; 909 } 910 911 /* 912 * Name a child 913 */ 914 static int 915 isa_name_child(dev_info_t *child, char *name, int namelen) 916 { 917 char vendor[8]; 918 int device; 919 uint32_t serial; 920 int func; 921 int bustype; 922 uint32_t base; 923 int proplen; 924 int pnpisa = 0; 925 isa_regs_t *isa_regs; 926 927 void make_ddi_ppd(dev_info_t *, struct ddi_parent_private_data **); 928 929 /* 930 * older drivers aren't expecting the "standard" device 931 * node format used by the hardware nodes. these drivers 932 * only expect their own properties set in their driver.conf 933 * files. so they tell us not to call them with hardware 934 * nodes by setting the property "ignore-hardware-nodes". 935 */ 936 if (old_driver(child)) 937 return (DDI_FAILURE); 938 939 /* 940 * Fill in parent-private data 941 */ 942 if (ddi_get_parent_data(child) == NULL) { 943 struct ddi_parent_private_data *pdptr; 944 make_ddi_ppd(child, &pdptr); 945 ddi_set_parent_data(child, pdptr); 946 } 947 948 if (ndi_dev_is_persistent_node(child) == 0) { 949 /* 950 * For .conf nodes, generate name from parent private data 951 */ 952 name[0] = '\0'; 953 if (sparc_pd_getnreg(child) > 0) { 954 (void) snprintf(name, namelen, "%x,%x", 955 (uint_t)sparc_pd_getreg(child, 0)->regspec_bustype, 956 (uint_t)sparc_pd_getreg(child, 0)->regspec_addr); 957 } 958 return (DDI_SUCCESS); 959 } 960 961 /* 962 * For hw nodes, look up "reg" property 963 */ 964 if (ddi_getlongprop(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS, "reg", 965 (caddr_t)&isa_regs, &proplen) != DDI_PROP_SUCCESS) { 966 return (DDI_FAILURE); 967 } 968 969 /* 970 * extract the device identifications 971 */ 972 pnpisa = isa_regs[0].phys_hi & 0x80000000; 973 if (pnpisa) { 974 isa_vendor(isa_regs[0].phys_hi, vendor); 975 device = isa_regs[0].phys_hi & 0xffff; 976 serial = isa_regs[0].phys_lo; 977 func = (isa_regs[0].size >> 24) & 0xff; 978 if (func != 0) 979 (void) snprintf(name, namelen, "pnp%s,%04x,%x,%x", 980 vendor, device, serial, func); 981 else 982 (void) snprintf(name, namelen, "pnp%s,%04x,%x", 983 vendor, device, serial); 984 } else { 985 bustype = isa_regs[0].phys_hi; 986 base = isa_regs[0].phys_lo; 987 (void) sprintf(name, "%x,%x", bustype, base); 988 } 989 990 /* 991 * free the memory allocated by ddi_getlongprop(). 992 */ 993 kmem_free(isa_regs, proplen); 994 995 return (DDI_SUCCESS); 996 } 997 998 static int 999 isa_initchild(dev_info_t *child) 1000 { 1001 char name[80]; 1002 1003 if (isa_name_child(child, name, 80) != DDI_SUCCESS) 1004 return (DDI_FAILURE); 1005 ddi_set_name_addr(child, name); 1006 1007 if (ndi_dev_is_persistent_node(child) != 0) 1008 return (DDI_SUCCESS); 1009 1010 /* 1011 * This is a .conf node, try merge properties onto a 1012 * hw node with the same name. 1013 */ 1014 if (ndi_merge_node(child, isa_name_child) == DDI_SUCCESS) { 1015 /* 1016 * Return failure to remove node 1017 */ 1018 impl_ddi_sunbus_removechild(child); 1019 return (DDI_FAILURE); 1020 } 1021 /* 1022 * Cannot merge node, permit pseudo children 1023 */ 1024 return (DDI_SUCCESS); 1025 } 1026 1027 /* 1028 * called when ACPI enumeration is not used 1029 */ 1030 static void 1031 add_known_used_resources(void) 1032 { 1033 /* needs to be in increasing order */ 1034 int intr[] = {0x1, 0x3, 0x4, 0x6, 0x7, 0xc}; 1035 int dma[] = {0x2}; 1036 int io[] = {0x60, 0x1, 0x64, 0x1, 0x2f8, 0x8, 0x378, 0x8, 0x3f0, 0x10, 1037 0x778, 0x4}; 1038 dev_info_t *usedrdip; 1039 1040 usedrdip = ddi_find_devinfo(USED_RESOURCES, -1, 0); 1041 1042 if (usedrdip == NULL) { 1043 (void) ndi_devi_alloc_sleep(ddi_root_node(), USED_RESOURCES, 1044 (pnode_t)DEVI_SID_NODEID, &usedrdip); 1045 } 1046 1047 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, usedrdip, 1048 "interrupts", (int *)intr, (int)(sizeof (intr) / sizeof (int))); 1049 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, usedrdip, 1050 "io-space", (int *)io, (int)(sizeof (io) / sizeof (int))); 1051 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, usedrdip, 1052 "dma-channels", (int *)dma, (int)(sizeof (dma) / sizeof (int))); 1053 (void) ndi_devi_bind_driver(usedrdip, 0); 1054 1055 } 1056 1057 static void 1058 isa_enumerate(int reprogram) 1059 { 1060 int circ, i; 1061 dev_info_t *xdip; 1062 dev_info_t *isa_dip = ddi_find_devinfo("isa", -1, 0); 1063 1064 /* hard coded isa stuff */ 1065 struct regspec asy_regs[] = { 1066 {1, 0x3f8, 0x8}, 1067 {1, 0x2f8, 0x8} 1068 }; 1069 int asy_intrs[] = {0x4, 0x3}; 1070 1071 struct regspec i8042_regs[] = { 1072 {1, 0x60, 0x1}, 1073 {1, 0x64, 0x1} 1074 }; 1075 int i8042_intrs[] = {0x1, 0xc}; 1076 char *acpi_prop; 1077 int acpi_enum = 1; /* ACPI is default to be on */ 1078 1079 if (reprogram || !isa_dip) 1080 return; 1081 1082 bzero(isa_extra_resource, MAX_EXTRA_RESOURCE * sizeof (struct regspec)); 1083 1084 ndi_devi_enter(isa_dip, &circ); 1085 1086 if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(), 1087 DDI_PROP_DONTPASS, "acpi-enum", &acpi_prop) == DDI_PROP_SUCCESS) { 1088 acpi_enum = strcmp("off", acpi_prop); 1089 ddi_prop_free(acpi_prop); 1090 } 1091 1092 if (acpi_enum) { 1093 if (acpi_isa_device_enum(isa_dip)) { 1094 ndi_devi_exit(isa_dip, circ); 1095 if (isa_resource_setup() != NDI_SUCCESS) { 1096 cmn_err(CE_WARN, "isa nexus: isa " 1097 "resource setup failed"); 1098 } 1099 1100 /* serial ports? */ 1101 enumerate_BIOS_serial(isa_dip); 1102 1103 /* adjust parallel port size */ 1104 adjust_prtsz(isa_dip); 1105 1106 isa_create_ranges_prop(isa_dip); 1107 return; 1108 } 1109 cmn_err(CE_NOTE, "!Solaris did not detect ACPI BIOS"); 1110 } 1111 cmn_err(CE_NOTE, "!ACPI is off"); 1112 1113 /* serial ports */ 1114 for (i = 0; i < 2; i++) { 1115 #if defined(__xpv) 1116 if ((i == 0 && console_hypervisor_device == CONS_TTYA) || 1117 (i == 1 && console_hypervisor_device == CONS_TTYB)) { 1118 continue; 1119 } 1120 #endif 1121 ndi_devi_alloc_sleep(isa_dip, "asy", 1122 (pnode_t)DEVI_SID_NODEID, &xdip); 1123 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, xdip, 1124 "reg", (int *)&asy_regs[i], 3); 1125 (void) ndi_prop_update_int(DDI_DEV_T_NONE, xdip, 1126 "interrupts", asy_intrs[i]); 1127 (void) ndi_devi_bind_driver(xdip, 0); 1128 } 1129 1130 /* i8042 node */ 1131 ndi_devi_alloc_sleep(isa_dip, "i8042", 1132 (pnode_t)DEVI_SID_NODEID, &xdip); 1133 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, xdip, 1134 "reg", (int *)i8042_regs, 6); 1135 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, xdip, 1136 "interrupts", (int *)i8042_intrs, 2); 1137 (void) ndi_prop_update_string(DDI_DEV_T_NONE, xdip, 1138 "unit-address", "1,60"); 1139 (void) ndi_devi_bind_driver(xdip, 0); 1140 1141 add_known_used_resources(); 1142 1143 ndi_devi_exit(isa_dip, circ); 1144 1145 isa_create_ranges_prop(isa_dip); 1146 } 1147 1148 /* 1149 * On some machines, serial port 2 isn't listed in the ACPI table. 1150 * This function goes through the BIOS data area and makes sure all 1151 * the serial ports there are in the dev_info tree. If any are missing, 1152 * this function will add them. 1153 */ 1154 1155 static int num_BIOS_serial = 2; /* number of BIOS serial ports to look at */ 1156 1157 static void 1158 enumerate_BIOS_serial(dev_info_t *isa_dip) 1159 { 1160 ushort_t *bios_data; 1161 int i; 1162 dev_info_t *xdip; 1163 int found; 1164 int ret; 1165 struct regspec *tmpregs; 1166 int tmpregs_len; 1167 static struct regspec tmp_asy_regs[] = { 1168 {1, 0x3f8, 0x8}, 1169 }; 1170 static int default_asy_intrs[] = { 4, 3, 4, 3 }; 1171 static size_t size = 4; 1172 1173 /* 1174 * The first four 2-byte quantities of the BIOS data area contain 1175 * the base I/O addresses of the first four serial ports. 1176 */ 1177 bios_data = (ushort_t *)psm_map_new((paddr_t)BIOS_DATA_AREA, size, 1178 PSM_PROT_READ); 1179 for (i = 0; i < num_BIOS_serial; i++) { 1180 if (bios_data[i] == 0) { 1181 /* no COM[i]: port */ 1182 continue; 1183 } 1184 1185 /* Look for it in the dev_info tree */ 1186 found = 0; 1187 for (xdip = ddi_get_child(isa_dip); xdip != NULL; 1188 xdip = ddi_get_next_sibling(xdip)) { 1189 if (strncmp(ddi_node_name(xdip), "asy", 3) != 0) { 1190 /* skip non asy */ 1191 continue; 1192 } 1193 1194 /* Match by addr */ 1195 ret = ddi_prop_lookup_int_array(DDI_DEV_T_ANY, xdip, 1196 DDI_PROP_DONTPASS, "reg", (int **)&tmpregs, 1197 (uint_t *)&tmpregs_len); 1198 if (ret != DDI_PROP_SUCCESS) { 1199 /* error */ 1200 continue; 1201 } 1202 1203 if (tmpregs->regspec_addr == bios_data[i]) 1204 found = 1; 1205 /* 1206 * Free the memory allocated by 1207 * ddi_prop_lookup_int_array(). 1208 */ 1209 ddi_prop_free(tmpregs); 1210 1211 } 1212 1213 /* If not found, then add it */ 1214 if (!found) { 1215 ndi_devi_alloc_sleep(isa_dip, "asy", 1216 (pnode_t)DEVI_SID_NODEID, &xdip); 1217 (void) ndi_prop_update_string(DDI_DEV_T_NONE, xdip, 1218 "compatible", "PNP0500"); 1219 /* This should be gotten from master file: */ 1220 (void) ndi_prop_update_string(DDI_DEV_T_NONE, xdip, 1221 "model", "Standard PC COM port"); 1222 tmp_asy_regs[0].regspec_addr = bios_data[i]; 1223 (void) ndi_prop_update_int_array(DDI_DEV_T_NONE, xdip, 1224 "reg", (int *)&tmp_asy_regs[0], 3); 1225 (void) ndi_prop_update_int(DDI_DEV_T_NONE, xdip, 1226 "interrupts", default_asy_intrs[i]); 1227 (void) ndi_devi_bind_driver(xdip, 0); 1228 1229 ASSERT(isa_extra_count < MAX_EXTRA_RESOURCE); 1230 bcopy(tmp_asy_regs, 1231 isa_extra_resource + isa_extra_count, 1232 sizeof (struct regspec)); 1233 isa_extra_count++; 1234 } 1235 } 1236 1237 /* 1238 * An asy node may have been attached via ACPI enumeration, or 1239 * directly from this file. Check each serial port to see if it 1240 * is in use by the hypervisor. If it is in use, then remove 1241 * the node from the device tree. 1242 */ 1243 #if defined(__xpv) 1244 i = 0; 1245 1246 for (xdip = ddi_get_child(isa_dip); xdip != NULL; ) { 1247 dev_info_t *curdip; 1248 1249 curdip = xdip; 1250 xdip = ddi_get_next_sibling(xdip); 1251 1252 if (strncmp(ddi_node_name(curdip), "asy", 3) != 0) 1253 continue; 1254 1255 if ((i == 0 && console_hypervisor_device == CONS_TTYA) || 1256 (i == 1 && console_hypervisor_device == CONS_TTYB)) { 1257 ret = ndi_devi_free(curdip); 1258 if (ret != DDI_SUCCESS) { 1259 cmn_err(CE_WARN, 1260 "could not remove asy%d node", i); 1261 } 1262 1263 cmn_err(CE_NOTE, "!asy%d unavailable, reserved" 1264 " to hypervisor", i); 1265 } 1266 1267 i++; 1268 } 1269 #endif 1270 1271 psm_unmap((caddr_t)bios_data, size); 1272 } 1273 1274 /* 1275 * Some machine comes with an illegal parallel port size of 3 1276 * bytes in ACPI, even parallel port mode is ECP. 1277 */ 1278 #define DEFAULT_PRT_SIZE 8 1279 static void 1280 adjust_prtsz(dev_info_t *isa_dip) 1281 { 1282 dev_info_t *cdip; 1283 struct regspec *regs_p, *extreg_p; 1284 int regs_len, nreg, i; 1285 char *name; 1286 1287 for (cdip = ddi_get_child(isa_dip); cdip != NULL; 1288 cdip = ddi_get_next_sibling(cdip)) { 1289 name = ddi_node_name(cdip); 1290 if ((strncmp(name, "lp", 2) != 0) || (strnlen(name, 3) != 2)) 1291 continue; /* skip non parallel */ 1292 1293 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, cdip, 1294 DDI_PROP_DONTPASS, "reg", (int **)®s_p, 1295 (uint_t *)®s_len) != DDI_PROP_SUCCESS) 1296 continue; 1297 1298 nreg = regs_len / (sizeof (struct regspec) / sizeof (int)); 1299 for (i = 0; i < nreg; i++) { 1300 if (regs_p[i].regspec_size == DEFAULT_PRT_SIZE) 1301 continue; 1302 1303 ASSERT(isa_extra_count < MAX_EXTRA_RESOURCE); 1304 extreg_p = &isa_extra_resource[isa_extra_count++]; 1305 extreg_p->regspec_bustype = ISA_ADDR_IO; 1306 extreg_p->regspec_addr = regs_p[i].regspec_addr; 1307 extreg_p->regspec_size = DEFAULT_PRT_SIZE; 1308 } 1309 1310 ddi_prop_free(regs_p); 1311 } 1312 } 1313