1 /* $NetBSD: pyro.c,v 1.26 2022/01/21 19:14:14 thorpej Exp $ */ 2 /* from: $OpenBSD: pyro.c,v 1.20 2010/12/05 15:15:14 kettenis Exp $ */ 3 4 /* 5 * Copyright (c) 2002 Jason L. Wright (jason (at) thought.net) 6 * Copyright (c) 2003 Henric Jungheim 7 * Copyright (c) 2007 Mark Kettenis 8 * Copyright (c) 2011 Matthew R. Green 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: pyro.c,v 1.26 2022/01/21 19:14:14 thorpej Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 #include <sys/errno.h> 39 #include <sys/malloc.h> 40 #include <sys/kmem.h> 41 #include <sys/systm.h> 42 43 #define _SPARC_BUS_DMA_PRIVATE 44 #include <sys/bus.h> 45 #include <machine/autoconf.h> 46 47 #ifdef DDB 48 #include <machine/db_machdep.h> 49 #endif 50 51 #include <dev/pci/pcivar.h> 52 #include <dev/pci/pcireg.h> 53 54 #include <sparc64/dev/iommureg.h> 55 #include <sparc64/dev/iommuvar.h> 56 #include <sparc64/dev/pyrovar.h> 57 58 #ifdef DEBUG 59 #define PDB_PROM 0x01 60 #define PDB_BUSMAP 0x02 61 #define PDB_INTR 0x04 62 #define PDB_CONF 0x08 63 int pyro_debug = 0x0; 64 #define DPRINTF(l, s) do { if (pyro_debug & l) printf s; } while (0) 65 #else 66 #define DPRINTF(l, s) 67 #endif 68 69 #define FIRE_RESET_GEN 0x7010 70 71 #define FIRE_RESET_GEN_XIR 0x0000000000000002L 72 73 #define FIRE_INTRMAP_INT_CNTRL_NUM_MASK 0x000003c0 74 #define FIRE_INTRMAP_INT_CNTRL_NUM0 0x00000040 75 #define FIRE_INTRMAP_INT_CNTRL_NUM1 0x00000080 76 #define FIRE_INTRMAP_INT_CNTRL_NUM2 0x00000100 77 #define FIRE_INTRMAP_INT_CNTRL_NUM3 0x00000200 78 #define FIRE_INTRMAP_T_JPID_SHIFT 26 79 #define FIRE_INTRMAP_T_JPID_MASK 0x7c000000 80 81 #define OBERON_INTRMAP_T_DESTID_SHIFT 21 82 #define OBERON_INTRMAP_T_DESTID_MASK 0x7fe00000 83 84 extern struct sparc_pci_chipset _sparc_pci_chipset; 85 86 int pyro_match(device_t, cfdata_t, void *); 87 void pyro_attach(device_t, device_t, void *); 88 int pyro_print(void *, const char *); 89 90 CFATTACH_DECL_NEW(pyro, sizeof(struct pyro_softc), 91 pyro_match, pyro_attach, NULL, NULL); 92 93 void pyro_init(struct pyro_softc *, int); 94 void pyro_init_iommu(struct pyro_softc *, struct pyro_pbm *); 95 96 pci_chipset_tag_t pyro_alloc_chipset(struct pyro_pbm *, int, 97 pci_chipset_tag_t); 98 bus_space_tag_t pyro_alloc_mem_tag(struct pyro_pbm *); 99 bus_space_tag_t pyro_alloc_io_tag(struct pyro_pbm *); 100 bus_space_tag_t pyro_alloc_config_tag(struct pyro_pbm *); 101 bus_space_tag_t pyro_alloc_bus_tag(struct pyro_pbm *, const char *, int); 102 bus_dma_tag_t pyro_alloc_dma_tag(struct pyro_pbm *); 103 104 #if 0 105 int pyro_conf_size(pci_chipset_tag_t, pcitag_t); 106 #endif 107 pcireg_t pyro_conf_read(pci_chipset_tag_t, pcitag_t, int); 108 void pyro_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 109 110 static void * pyro_pci_intr_establish(pci_chipset_tag_t pc, 111 pci_intr_handle_t ih, int level, 112 int (*func)(void *), void *arg); 113 114 int pyro_intr_map(const struct pci_attach_args *, pci_intr_handle_t *); 115 int pyro_bus_map(bus_space_tag_t, bus_addr_t, 116 bus_size_t, int, vaddr_t, bus_space_handle_t *); 117 paddr_t pyro_bus_mmap(bus_space_tag_t, bus_addr_t, off_t, 118 int, int); 119 void *pyro_intr_establish(bus_space_tag_t, int, int, 120 int (*)(void *), void *, void (*)(void)); 121 122 int pyro_dmamap_create(bus_dma_tag_t, bus_size_t, int, 123 bus_size_t, bus_size_t, int, bus_dmamap_t *); 124 125 int 126 pyro_match(device_t parent, cfdata_t match, void *aux) 127 { 128 struct mainbus_attach_args *ma = aux; 129 char *str; 130 131 if (strcmp(ma->ma_name, "pci") != 0) 132 return (0); 133 134 str = prom_getpropstring(ma->ma_node, "compatible"); 135 if (strcmp(str, "pciex108e,80f0") == 0 || 136 strcmp(str, "pciex108e,80f8") == 0) 137 return (1); 138 139 return (0); 140 } 141 142 void 143 pyro_attach(device_t parent, device_t self, void *aux) 144 { 145 struct pyro_softc *sc = device_private(self); 146 struct mainbus_attach_args *ma = aux; 147 char *str; 148 int busa; 149 150 sc->sc_dev = self; 151 sc->sc_node = ma->ma_node; 152 sc->sc_dmat = ma->ma_dmatag; 153 sc->sc_bustag = ma->ma_bustag; 154 sc->sc_csr = ma->ma_reg[0].ur_paddr; 155 sc->sc_xbc = ma->ma_reg[1].ur_paddr; 156 sc->sc_ign = INTIGN(ma->ma_upaid << INTMAP_IGN_SHIFT); 157 158 if ((ma->ma_reg[0].ur_paddr & 0x00700000) == 0x00600000) 159 busa = 1; 160 else 161 busa = 0; 162 163 if (bus_space_map(sc->sc_bustag, sc->sc_csr, 164 ma->ma_reg[0].ur_len, BUS_SPACE_MAP_LINEAR, &sc->sc_csrh)) { 165 printf(": failed to map csr registers\n"); 166 return; 167 } 168 169 if (bus_space_map(sc->sc_bustag, sc->sc_xbc, 170 ma->ma_reg[1].ur_len, 0, &sc->sc_xbch)) { 171 printf(": failed to map xbc registers\n"); 172 return; 173 } 174 175 str = prom_getpropstring(ma->ma_node, "compatible"); 176 if (strcmp(str, "pciex108e,80f8") == 0) 177 sc->sc_oberon = 1; 178 179 pyro_init(sc, busa); 180 } 181 182 void 183 pyro_init(struct pyro_softc *sc, int busa) 184 { 185 struct pyro_pbm *pbm; 186 struct pcibus_attach_args pba; 187 int *busranges = NULL, nranges; 188 189 pbm = kmem_zalloc(sizeof(*pbm), KM_SLEEP); 190 pbm->pp_sc = sc; 191 pbm->pp_bus_a = busa; 192 193 if (prom_getprop(sc->sc_node, "ranges", sizeof(struct pyro_range), 194 &pbm->pp_nrange, (void **)&pbm->pp_range)) 195 panic("pyro: can't get ranges"); 196 197 if (prom_getprop(sc->sc_node, "bus-range", sizeof(int), &nranges, 198 (void **)&busranges)) 199 panic("pyro: can't get bus-range"); 200 201 printf(": \"%s\", rev %d, ign %x, bus %c %d to %d\n", 202 sc->sc_oberon ? "Oberon" : "Fire", 203 prom_getpropint(sc->sc_node, "module-revision#", 0), sc->sc_ign, 204 busa ? 'A' : 'B', busranges[0], busranges[1]); 205 206 printf("%s: ", device_xname(sc->sc_dev)); 207 pyro_init_iommu(sc, pbm); 208 209 pbm->pp_memt = pyro_alloc_mem_tag(pbm); 210 pbm->pp_iot = pyro_alloc_io_tag(pbm); 211 pbm->pp_cfgt = pyro_alloc_config_tag(pbm); 212 pbm->pp_dmat = pyro_alloc_dma_tag(pbm); 213 pbm->pp_flags = (pbm->pp_memt ? PCI_FLAGS_MEM_OKAY : 0) | 214 (pbm->pp_iot ? PCI_FLAGS_IO_OKAY : 0); 215 216 if (bus_space_map(pbm->pp_cfgt, 0, 0x10000000, 0, &pbm->pp_cfgh)) 217 panic("pyro: can't map config space"); 218 219 pbm->pp_pc = pyro_alloc_chipset(pbm, sc->sc_node, &_sparc_pci_chipset); 220 pbm->pp_pc->spc_busmax = busranges[1]; 221 pbm->pp_pc->spc_busnode = kmem_zalloc(sizeof(*pbm->pp_pc->spc_busnode), 222 KM_SLEEP); 223 224 #if 0 225 pbm->pp_pc->bustag = pbm->pp_cfgt; 226 pbm->pp_pc->bushandle = pbm->pp_cfgh; 227 #endif 228 229 bzero(&pba, sizeof(pba)); 230 pba.pba_bus = busranges[0]; 231 pba.pba_pc = pbm->pp_pc; 232 pba.pba_flags = pbm->pp_flags; 233 pba.pba_dmat = pbm->pp_dmat; 234 pba.pba_dmat64 = NULL; /* XXX */ 235 pba.pba_memt = pbm->pp_memt; 236 pba.pba_iot = pbm->pp_iot; 237 238 free(busranges, M_DEVBUF); 239 240 config_found(sc->sc_dev, &pba, pyro_print, 241 CFARGS(.devhandle = device_handle(sc->sc_dev))); 242 } 243 244 void 245 pyro_init_iommu(struct pyro_softc *sc, struct pyro_pbm *pbm) 246 { 247 struct iommu_state *is = &pbm->pp_is; 248 int tsbsize = 7; 249 u_int32_t iobase = -1; 250 char *name; 251 252 pbm->pp_sb.sb_is = is; 253 is->is_bustag = sc->sc_bustag; 254 255 if (bus_space_subregion(is->is_bustag, sc->sc_csrh, 256 0x40000, 0x100, &is->is_iommu)) { 257 panic("pyro: unable to create iommu handle"); 258 } 259 260 /* We have no STC. */ 261 is->is_sb[0] = NULL; 262 263 name = kmem_asprintf("%s dvma", device_xname(sc->sc_dev)); 264 265 /* Tell iommu how to set the TSB size. */ 266 is->is_flags = IOMMU_TSBSIZE_IN_PTSB; 267 268 /* On Oberon, we need to flush the cache. */ 269 if (sc->sc_oberon) 270 is->is_flags |= IOMMU_FLUSH_CACHE; 271 272 iommu_init(name, is, tsbsize, iobase); 273 } 274 275 int 276 pyro_print(void *aux, const char *p) 277 { 278 if (p == NULL) 279 return (UNCONF); 280 return (QUIET); 281 } 282 283 pcireg_t 284 pyro_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg) 285 { 286 struct pyro_pbm *pp = pc->cookie; 287 pcireg_t val = (pcireg_t)~0; 288 int s; 289 290 DPRINTF(PDB_CONF, ("%s: tag %lx reg %x ", __func__, (long)tag, reg)); 291 if (PCITAG_NODE(tag) != -1 && (unsigned int)reg < PCI_CONF_SIZE) { 292 s = splhigh(); 293 struct cpu_info *ci = curcpu(); 294 ci->ci_pci_probe = true; 295 membar_Sync(); 296 val = bus_space_read_4(pp->pp_cfgt, pp->pp_cfgh, 297 (PCITAG_OFFSET(tag) << 4) + reg); 298 membar_Sync(); 299 if (ci->ci_pci_fault) 300 val = (pcireg_t)~0; 301 ci->ci_pci_probe = ci->ci_pci_fault = false; 302 splx(s); 303 } 304 DPRINTF(PDB_CONF, (" returning %08x\n", (u_int)val)); 305 return (val); 306 } 307 308 void 309 pyro_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t data) 310 { 311 struct pyro_pbm *pp = pc->cookie; 312 313 DPRINTF(PDB_CONF, ("%s: tag %lx; reg %x; data %x", __func__, 314 (long)tag, reg, (int)data)); 315 316 /* If we don't know it, just punt it. */ 317 if (PCITAG_NODE(tag) == -1) { 318 DPRINTF(PDB_CONF, (" .. bad addr\n")); 319 return; 320 } 321 322 if ((unsigned int)reg >= PCI_CONF_SIZE) 323 return; 324 325 bus_space_write_4(pp->pp_cfgt, pp->pp_cfgh, 326 (PCITAG_OFFSET(tag) << 4) + reg, data); 327 DPRINTF(PDB_CONF, (" .. done\n")); 328 } 329 330 /* 331 * Bus-specific interrupt mapping 332 */ 333 int 334 pyro_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp) 335 { 336 struct pyro_pbm *pp = pa->pa_pc->cookie; 337 struct pyro_softc *sc = pp->pp_sc; 338 u_int dev; 339 340 if (*ihp != (pci_intr_handle_t)-1) { 341 *ihp |= sc->sc_ign; 342 DPRINTF(PDB_INTR, ("%s: not -1 -> ih %lx\n", __func__, (u_long)*ihp)); 343 return (0); 344 } 345 346 /* 347 * We didn't find a PROM mapping for this interrupt. Try to 348 * construct one ourselves based on the swizzled interrupt pin 349 * and the interrupt mapping for PCI slots documented in the 350 * UltraSPARC-IIi User's Manual. 351 */ 352 353 if (pa->pa_intrpin == 0) { 354 DPRINTF(PDB_INTR, ("%s: no intrpen\n", __func__)); 355 return (-1); 356 } 357 358 /* 359 * This deserves some documentation. Should anyone 360 * have anything official looking, please speak up. 361 */ 362 dev = pa->pa_device - 1; 363 364 *ihp = (pa->pa_intrpin - 1) & INTMAP_PCIINT; 365 *ihp |= (dev << 2) & INTMAP_PCISLOT; 366 *ihp |= sc->sc_ign; 367 368 DPRINTF(PDB_INTR, ("%s: weird hack -> ih %lx\n", __func__, (u_long)*ihp)); 369 return (0); 370 } 371 372 bus_space_tag_t 373 pyro_alloc_mem_tag(struct pyro_pbm *pp) 374 { 375 return (pyro_alloc_bus_tag(pp, "mem", PCI_MEMORY_BUS_SPACE)); 376 } 377 378 bus_space_tag_t 379 pyro_alloc_io_tag(struct pyro_pbm *pp) 380 { 381 return (pyro_alloc_bus_tag(pp, "io", PCI_IO_BUS_SPACE)); 382 } 383 384 bus_space_tag_t 385 pyro_alloc_config_tag(struct pyro_pbm *pp) 386 { 387 return (pyro_alloc_bus_tag(pp, "cfg", PCI_CONFIG_BUS_SPACE)); 388 } 389 390 bus_space_tag_t 391 pyro_alloc_bus_tag(struct pyro_pbm *pbm, const char *name, int type) 392 { 393 struct pyro_softc *sc = pbm->pp_sc; 394 struct sparc_bus_space_tag *bt; 395 396 bt = kmem_zalloc(sizeof(*bt), KM_SLEEP); 397 398 #if 0 399 snprintf(bt->name, sizeof(bt->name), "%s-pbm_%s(%d/%2.2x)", 400 device_xname(sc->sc_dev), name, ss, asi); 401 #endif 402 403 bt->cookie = pbm; 404 bt->parent = sc->sc_bustag; 405 bt->type = type; 406 bt->sparc_bus_map = pyro_bus_map; 407 bt->sparc_bus_mmap = pyro_bus_mmap; 408 bt->sparc_intr_establish = pyro_intr_establish; 409 return (bt); 410 } 411 412 bus_dma_tag_t 413 pyro_alloc_dma_tag(struct pyro_pbm *pbm) 414 { 415 struct pyro_softc *sc = pbm->pp_sc; 416 bus_dma_tag_t dt, pdt = sc->sc_dmat; 417 418 dt = kmem_zalloc(sizeof(*dt), KM_SLEEP); 419 dt->_cookie = pbm; 420 dt->_parent = pdt; 421 #define PCOPY(x) dt->x = pdt->x 422 dt->_dmamap_create = pyro_dmamap_create; 423 PCOPY(_dmamap_destroy); 424 dt->_dmamap_load = iommu_dvmamap_load; 425 PCOPY(_dmamap_load_mbuf); 426 PCOPY(_dmamap_load_uio); 427 dt->_dmamap_load_raw = iommu_dvmamap_load_raw; 428 dt->_dmamap_unload = iommu_dvmamap_unload; 429 dt->_dmamap_sync = iommu_dvmamap_sync; 430 dt->_dmamem_alloc = iommu_dvmamem_alloc; 431 dt->_dmamem_free = iommu_dvmamem_free; 432 dt->_dmamem_map = iommu_dvmamem_map; 433 dt->_dmamem_unmap = iommu_dvmamem_unmap; 434 PCOPY(_dmamem_mmap); 435 #undef PCOPY 436 return (dt); 437 } 438 439 pci_chipset_tag_t 440 pyro_alloc_chipset(struct pyro_pbm *pbm, int node, pci_chipset_tag_t pc) 441 { 442 pci_chipset_tag_t npc; 443 444 npc = kmem_alloc(sizeof *npc, KM_SLEEP); 445 memcpy(npc, pc, sizeof *pc); 446 npc->cookie = pbm; 447 npc->rootnode = node; 448 npc->spc_conf_read = pyro_conf_read; 449 npc->spc_conf_write = pyro_conf_write; 450 npc->spc_intr_map = pyro_intr_map; 451 npc->spc_intr_establish = pyro_pci_intr_establish; 452 npc->spc_find_ino = NULL; 453 return (npc); 454 } 455 456 int 457 pyro_dmamap_create(bus_dma_tag_t t, bus_size_t size, 458 int nsegments, bus_size_t maxsegsz, bus_size_t boundary, int flags, 459 bus_dmamap_t *dmamp) 460 { 461 struct pyro_pbm *pbm = t->_cookie; 462 int error; 463 464 error = bus_dmamap_create(t->_parent, size, nsegments, maxsegsz, 465 boundary, flags, dmamp); 466 if (error == 0) 467 (*dmamp)->_dm_cookie = &pbm->pp_sb; 468 return error; 469 } 470 471 int 472 pyro_bus_map(bus_space_tag_t t, bus_addr_t offset, 473 bus_size_t size, int flags, vaddr_t unused, bus_space_handle_t *hp) 474 { 475 struct pyro_pbm *pbm = t->cookie; 476 struct pyro_softc *sc = pbm->pp_sc; 477 int i, ss; 478 479 DPRINTF(PDB_BUSMAP, ("pyro_bus_map: type %d off %qx sz %qx flags %d", 480 t->type, 481 (unsigned long long)offset, 482 (unsigned long long)size, 483 flags)); 484 485 /* 486 * BUS_SPACE_MAP_PREFETCHABLE causes hard hangs on schizo, so weed it 487 * out for now until someone can verify whether it works on pyro 488 */ 489 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 490 491 ss = sparc_pci_childspace(t->type); 492 DPRINTF(PDB_BUSMAP, (" cspace %d", ss)); 493 494 if (t->parent == 0 || t->parent->sparc_bus_map == 0) { 495 printf("\n_pyro_bus_map: invalid parent"); 496 return (EINVAL); 497 } 498 499 for (i = 0; i < pbm->pp_nrange; i++) { 500 bus_addr_t paddr; 501 struct pyro_range *pr = &pbm->pp_range[i]; 502 503 if (((pr->cspace >> 24) & 0x03) != ss) 504 continue; 505 506 paddr = BUS_ADDR(pr->phys_hi, pr->phys_lo + offset); 507 return ((*sc->sc_bustag->sparc_bus_map)(t, paddr, size, 508 flags, 0, hp)); 509 } 510 511 return (EINVAL); 512 } 513 514 paddr_t 515 pyro_bus_mmap(bus_space_tag_t t, bus_addr_t paddr, 516 off_t off, int prot, int flags) 517 { 518 bus_addr_t offset = paddr; 519 struct pyro_pbm *pbm = t->cookie; 520 struct pyro_softc *sc = pbm->pp_sc; 521 int i, ss; 522 523 /* 524 * BUS_SPACE_MAP_PREFETCHABLE causes hard hangs on schizo, so weed it 525 * out for now until someone can verify whether it works on pyro 526 */ 527 flags &= ~BUS_SPACE_MAP_PREFETCHABLE; 528 529 ss = sparc_pci_childspace(t->type); 530 531 DPRINTF(PDB_BUSMAP, ("pyro_bus_mmap: prot %d flags %d pa %qx\n", 532 prot, flags, (unsigned long long)paddr)); 533 534 if (t->parent == 0 || t->parent->sparc_bus_mmap == 0) { 535 printf("\n_pyro_bus_mmap: invalid parent"); 536 return (-1); 537 } 538 539 for (i = 0; i < pbm->pp_nrange; i++) { 540 struct pyro_range *pr = &pbm->pp_range[i]; 541 542 if (((pr->cspace >> 24) & 0x03) != ss) 543 continue; 544 545 paddr = BUS_ADDR(pr->phys_hi, pr->phys_lo + offset); 546 return (bus_space_mmap(sc->sc_bustag, paddr, off, 547 prot, flags)); 548 } 549 550 return (-1); 551 } 552 553 void * 554 pyro_intr_establish(bus_space_tag_t t, int ihandle, int level, 555 int (*handler)(void *), void *arg, void (*fastvec)(void) /* ignored */) 556 { 557 struct pyro_pbm *pbm = t->cookie; 558 struct pyro_softc *sc = pbm->pp_sc; 559 struct intrhand *ih = NULL; 560 volatile u_int64_t *intrmapptr = NULL, *intrclrptr = NULL; 561 u_int64_t *imapbase, *iclrbase; 562 int ino; 563 564 ino = INTINO(ihandle); 565 DPRINTF(PDB_INTR, ("%s: ih %lx; level %d ino %#x", __func__, (u_long)ihandle, level, ino)); 566 567 if (level == IPL_NONE) 568 level = INTLEV(ihandle); 569 if (level == IPL_NONE) { 570 printf(": no IPL, setting IPL 2.\n"); 571 level = 2; 572 } 573 574 imapbase = (uint64_t *)((uintptr_t)bus_space_vaddr(sc->sc_bustag, sc->sc_csrh) + 0x1000); 575 iclrbase = (uint64_t *)((uintptr_t)bus_space_vaddr(sc->sc_bustag, sc->sc_csrh) + 0x1400); 576 intrmapptr = &imapbase[ino]; 577 intrclrptr = &iclrbase[ino]; 578 DPRINTF(PDB_INTR, (" mapptr %p clrptr %p\n", intrmapptr, intrclrptr)); 579 580 ino |= INTVEC(ihandle); 581 582 ih = intrhand_alloc(); 583 584 /* Register the map and clear intr registers */ 585 ih->ih_map = intrmapptr; 586 ih->ih_clr = intrclrptr; 587 588 ih->ih_ivec = ihandle; 589 ih->ih_fun = handler; 590 ih->ih_arg = arg; 591 ih->ih_pil = level; 592 ih->ih_number = ino; 593 ih->ih_pending = 0; 594 595 intr_establish(ih->ih_pil, level != IPL_VM, ih); 596 597 if (intrmapptr != NULL) { 598 u_int64_t imap; 599 600 imap = *intrmapptr; 601 DPRINTF(PDB_INTR, ("%s: read intrmap = %016qx", __func__, 602 (unsigned long long)imap)); 603 imap &= ~FIRE_INTRMAP_INT_CNTRL_NUM_MASK; 604 imap |= FIRE_INTRMAP_INT_CNTRL_NUM0; 605 DPRINTF(PDB_INTR, ("; set intr group intrmap = %016qx", 606 (unsigned long long)imap)); 607 if (sc->sc_oberon) { 608 imap &= ~OBERON_INTRMAP_T_DESTID_MASK; 609 imap |= CPU_JUPITERID << 610 OBERON_INTRMAP_T_DESTID_SHIFT; 611 } else { 612 imap &= ~FIRE_INTRMAP_T_JPID_MASK; 613 imap |= CPU_UPAID << FIRE_INTRMAP_T_JPID_SHIFT; 614 } 615 DPRINTF(PDB_INTR, ("; set cpuid num intrmap = %016qx", 616 (unsigned long long)imap)); 617 imap |= INTMAP_V; 618 *intrmapptr = imap; 619 DPRINTF(PDB_INTR, ("; writing intrmap = %016qx", 620 (unsigned long long)imap)); 621 imap = *intrmapptr; 622 ih->ih_number |= imap & INTMAP_INR; 623 DPRINTF(PDB_INTR, ("; reread intrmap = %016qx, " 624 "set ih_number to %x\n", 625 (unsigned long long)imap, ih->ih_number)); 626 } 627 if (intrclrptr) { 628 /* set state to IDLE */ 629 *intrclrptr = 0; 630 } 631 632 return (ih); 633 } 634 635 static void * 636 pyro_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, 637 int (*func)(void *), void *arg) 638 { 639 void *cookie; 640 struct pyro_pbm *pbm = (struct pyro_pbm *)pc->cookie; 641 642 DPRINTF(PDB_INTR, ("%s: ih %lx; level %d\n", __func__, (u_long)ih, level)); 643 cookie = bus_intr_establish(pbm->pp_memt, ih, level, func, arg); 644 645 DPRINTF(PDB_INTR, ("%s: returning handle %p\n", __func__, cookie)); 646 return (cookie); 647 } 648
Indexes created Sat Sep 20 22:09:52 GMT 2025