hd64465pcmcia.c revision 1.32
1 /* $NetBSD: hd64465pcmcia.c,v 1.32 2012/10/29 13:46:26 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: hd64465pcmcia.c,v 1.32 2012/10/29 13:46:26 chs Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/malloc.h> 39 #include <sys/kthread.h> 40 #include <sys/boot_flag.h> 41 #include <sys/bus.h> 42 43 #include <uvm/uvm_extern.h> 44 45 #include <machine/intr.h> 46 47 #include <dev/pcmcia/pcmciareg.h> 48 #include <dev/pcmcia/pcmciavar.h> 49 #include <dev/pcmcia/pcmciachip.h> 50 51 #include <sh3/bscreg.h> 52 #include <sh3/mmu.h> 53 54 #include <hpcsh/dev/hd64465/hd64465reg.h> 55 #include <hpcsh/dev/hd64465/hd64465var.h> 56 #include <hpcsh/dev/hd64465/hd64465intcreg.h> 57 #include <hpcsh/dev/hd64461/hd64461pcmciareg.h> 58 59 #include "locators.h" 60 61 #ifdef HD64465PCMCIA_DEBUG 62 #define DPRINTF_ENABLE 63 #define DPRINTF_DEBUG hd64465pcmcia_debug 64 #endif 65 #include <machine/debug.h> 66 67 enum memory_window_16 { 68 MEMWIN_16M_COMMON_0, 69 MEMWIN_16M_COMMON_1, 70 MEMWIN_16M_COMMON_2, 71 MEMWIN_16M_COMMON_3, 72 }; 73 #define MEMWIN_16M_MAX 4 74 75 enum hd64465pcmcia_event_type { 76 EVENT_NONE, 77 EVENT_INSERT, 78 EVENT_REMOVE, 79 }; 80 #define EVENT_QUEUE_MAX 5 81 82 struct hd64465pcmcia_softc; /* forward declaration */ 83 84 struct hd64465pcmcia_window_cookie { 85 bus_space_tag_t wc_tag; 86 bus_space_handle_t wc_handle; 87 int wc_size; 88 int wc_window; 89 }; 90 91 struct hd64465pcmcia_channel { 92 struct hd64465pcmcia_softc *ch_parent; 93 device_t ch_pcmcia; 94 int ch_channel; 95 96 /* memory space */ 97 bus_space_tag_t ch_memt; 98 bus_space_handle_t ch_memh; 99 bus_addr_t ch_membase_addr; 100 bus_size_t ch_memsize; 101 bus_space_tag_t ch_cmemt[MEMWIN_16M_MAX]; 102 103 /* I/O space */ 104 bus_space_tag_t ch_iot; 105 bus_addr_t ch_iobase; 106 bus_size_t ch_iosize; 107 108 /* card interrupt */ 109 int (*ch_ih_card_func)(void *); 110 void *ch_ih_card_arg; 111 int ch_attached; 112 }; 113 114 struct hd64465pcmcia_event { 115 int __queued; 116 enum hd64465pcmcia_event_type pe_type; 117 struct hd64465pcmcia_channel *pe_ch; 118 SIMPLEQ_ENTRY(hd64465pcmcia_event) pe_link; 119 }; 120 121 struct hd64465pcmcia_softc { 122 device_t sc_dev; 123 enum hd64465_module_id sc_module_id; 124 int sc_shutdown; 125 126 /* kv mapped Area 5, 6 */ 127 vaddr_t sc_area5; 128 vaddr_t sc_area6; 129 130 /* CSC event */ 131 lwp_t *sc_event_thread; 132 struct hd64465pcmcia_event sc_event_pool[EVENT_QUEUE_MAX]; 133 SIMPLEQ_HEAD (, hd64465pcmcia_event) sc_event_head; 134 135 struct hd64465pcmcia_channel sc_ch[2]; 136 }; 137 138 STATIC int hd64465pcmcia_chip_mem_alloc(pcmcia_chipset_handle_t, bus_size_t, 139 struct pcmcia_mem_handle *); 140 STATIC void hd64465pcmcia_chip_mem_free(pcmcia_chipset_handle_t, 141 struct pcmcia_mem_handle *); 142 STATIC int hd64465pcmcia_chip_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t, 143 bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *); 144 STATIC void hd64465pcmcia_chip_mem_unmap(pcmcia_chipset_handle_t, int); 145 STATIC int hd64465pcmcia_chip_io_alloc(pcmcia_chipset_handle_t, bus_addr_t, 146 bus_size_t, bus_size_t, struct pcmcia_io_handle *); 147 STATIC void hd64465pcmcia_chip_io_free(pcmcia_chipset_handle_t, 148 struct pcmcia_io_handle *); 149 STATIC int hd64465pcmcia_chip_io_map(pcmcia_chipset_handle_t, int, bus_addr_t, 150 bus_size_t, struct pcmcia_io_handle *, int *); 151 STATIC void hd64465pcmcia_chip_io_unmap(pcmcia_chipset_handle_t, int); 152 STATIC void hd64465pcmcia_chip_socket_enable(pcmcia_chipset_handle_t); 153 STATIC void hd64465pcmcia_chip_socket_disable(pcmcia_chipset_handle_t); 154 STATIC void hd64465pcmcia_chip_socket_settype(pcmcia_chipset_handle_t, int); 155 STATIC void *hd64465pcmcia_chip_intr_establish(pcmcia_chipset_handle_t, 156 struct pcmcia_function *, int, int (*)(void *), void *); 157 STATIC void hd64465pcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t, 158 void *); 159 160 STATIC struct pcmcia_chip_functions hd64465pcmcia_functions = { 161 hd64465pcmcia_chip_mem_alloc, 162 hd64465pcmcia_chip_mem_free, 163 hd64465pcmcia_chip_mem_map, 164 hd64465pcmcia_chip_mem_unmap, 165 hd64465pcmcia_chip_io_alloc, 166 hd64465pcmcia_chip_io_free, 167 hd64465pcmcia_chip_io_map, 168 hd64465pcmcia_chip_io_unmap, 169 hd64465pcmcia_chip_intr_establish, 170 hd64465pcmcia_chip_intr_disestablish, 171 hd64465pcmcia_chip_socket_enable, 172 hd64465pcmcia_chip_socket_disable, 173 hd64465pcmcia_chip_socket_settype, 174 }; 175 176 STATIC int hd64465pcmcia_match(device_t, cfdata_t, void *); 177 STATIC void hd64465pcmcia_attach(device_t, device_t, void *); 178 STATIC int hd64465pcmcia_print(void *, const char *); 179 STATIC int hd64465pcmcia_submatch(device_t, cfdata_t, const int *, void *); 180 181 CFATTACH_DECL_NEW(hd64465pcmcia, sizeof(struct hd64465pcmcia_softc), 182 hd64465pcmcia_match, hd64465pcmcia_attach, NULL, NULL); 183 184 STATIC void hd64465pcmcia_attach_channel(struct hd64465pcmcia_softc *, int); 185 /* hot plug */ 186 STATIC void hd64465pcmcia_event_thread(void *); 187 STATIC void __queue_event(struct hd64465pcmcia_channel *, 188 enum hd64465pcmcia_event_type); 189 /* interrupt handler */ 190 STATIC int hd64465pcmcia_intr(void *); 191 /* card status */ 192 STATIC enum hd64465pcmcia_event_type __detect_card(int); 193 STATIC void hd64465pcmcia_memory_window16_switch(int, enum memory_window_16); 194 /* bus width */ 195 STATIC void __sh_set_bus_width(int, int); 196 /* bus space access */ 197 STATIC int __sh_hd64465_map(vaddr_t, paddr_t, size_t, uint32_t); 198 STATIC vaddr_t __sh_hd64465_map_2page(paddr_t); 199 200 #define DELAY_MS(x) delay((x) * 1000) 201 202 int 203 hd64465pcmcia_match(device_t parent, cfdata_t cf, void *aux) 204 { 205 struct hd64465_attach_args *ha = aux; 206 207 return (ha->ha_module_id == HD64465_MODULE_PCMCIA); 208 } 209 210 void 211 hd64465pcmcia_attach(device_t parent, device_t self, void *aux) 212 { 213 struct hd64465_attach_args *ha = aux; 214 struct hd64465pcmcia_softc *sc = device_private(self); 215 int error; 216 217 sc->sc_dev = self; 218 sc->sc_module_id = ha->ha_module_id; 219 220 printf("\n"); 221 222 sc->sc_area5 = __sh_hd64465_map_2page(0x14000000); /* area 5 */ 223 sc->sc_area6 = __sh_hd64465_map_2page(0x18000000); /* area 6 */ 224 225 if (sc->sc_area5 == 0 || sc->sc_area6 == 0) { 226 printf("%s: can't map memory.\n", device_xname(self)); 227 if (sc->sc_area5) 228 uvm_km_free(kernel_map, sc->sc_area5, 0x03000000, 229 UVM_KMF_VAONLY); 230 if (sc->sc_area6) 231 uvm_km_free(kernel_map, sc->sc_area6, 0x03000000, 232 UVM_KMF_VAONLY); 233 234 return; 235 } 236 237 /* Channel 0/1 common CSC event queue */ 238 SIMPLEQ_INIT (&sc->sc_event_head); 239 240 error = kthread_create(PRI_NONE, 0, NULL, hd64465pcmcia_event_thread, 241 sc, &sc->sc_event_thread, "%s", device_xname(self)); 242 KASSERT(error == 0); 243 244 hd64465pcmcia_attach_channel(sc, 0); 245 hd64465pcmcia_attach_channel(sc, 1); 246 } 247 248 void 249 hd64465pcmcia_event_thread(void *arg) 250 { 251 struct hd64465pcmcia_softc *sc = arg; 252 struct hd64465pcmcia_event *pe; 253 int s; 254 255 while (!sc->sc_shutdown) { 256 tsleep(sc, PWAIT, "CSC wait", 0); 257 s = splhigh(); 258 while ((pe = SIMPLEQ_FIRST(&sc->sc_event_head))) { 259 splx(s); 260 switch (pe->pe_type) { 261 default: 262 printf("%s: unknown event.\n", __func__); 263 break; 264 case EVENT_INSERT: 265 DPRINTF("insert event.\n"); 266 pcmcia_card_attach(pe->pe_ch->ch_pcmcia); 267 break; 268 case EVENT_REMOVE: 269 DPRINTF("remove event.\n"); 270 pcmcia_card_detach(pe->pe_ch->ch_pcmcia, 271 DETACH_FORCE); 272 break; 273 } 274 s = splhigh(); 275 SIMPLEQ_REMOVE_HEAD(&sc->sc_event_head, pe_link); 276 pe->__queued = 0; 277 } 278 splx(s); 279 } 280 /* NOTREACHED */ 281 } 282 283 int 284 hd64465pcmcia_print(void *arg, const char *pnp) 285 { 286 287 if (pnp) 288 aprint_normal("pcmcia at %s", pnp); 289 290 return (UNCONF); 291 } 292 293 int 294 hd64465pcmcia_submatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 295 { 296 struct pcmciabus_attach_args *paa = aux; 297 struct hd64465pcmcia_channel *ch = 298 (struct hd64465pcmcia_channel *)paa->pch; 299 300 if (ch->ch_channel == 0) { 301 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 302 PCMCIABUSCF_CONTROLLER_DEFAULT && 303 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 0) 304 return 0; 305 } else { 306 if (cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 307 PCMCIABUSCF_CONTROLLER_DEFAULT && 308 cf->cf_loc[PCMCIABUSCF_CONTROLLER] != 1) 309 return 0; 310 } 311 paa->pct = (pcmcia_chipset_tag_t)&hd64465pcmcia_functions; 312 313 return (config_match(parent, cf, aux)); 314 } 315 316 void 317 hd64465pcmcia_attach_channel(struct hd64465pcmcia_softc *sc, int channel) 318 { 319 device_t parent = sc->sc_dev; 320 struct hd64465pcmcia_channel *ch = &sc->sc_ch[channel]; 321 struct pcmciabus_attach_args paa; 322 bus_addr_t baseaddr; 323 uint8_t r; 324 int i; 325 326 ch->ch_parent = sc; 327 ch->ch_channel = channel; 328 329 /* 330 * Continuous 16-MB Area Mode 331 */ 332 /* set Continuous 16-MB Area Mode */ 333 r = hd64465_reg_read_1(HD64461_PCCGCR(channel)); 334 r &= ~HD64461_PCCGCR_MMOD; 335 r |= HD64461_PCCGCR_MMOD_16M; 336 hd64465_reg_write_1(HD64461_PCCGCR(channel), r); 337 338 /* Attibute/Common memory extent */ 339 baseaddr = (channel == 0) ? sc->sc_area6 : sc->sc_area5; 340 341 ch->ch_memt = bus_space_create(0, "PCMCIA attribute memory", 342 baseaddr, 0x01000000); /* 16MB */ 343 bus_space_alloc(ch->ch_memt, 0, 0x00ffffff, 0x0001000, 344 0x1000, 0x1000, 0, &ch->ch_membase_addr, &ch->ch_memh); 345 346 /* Common memory space extent */ 347 ch->ch_memsize = 0x01000000; 348 for (i = 0; i < MEMWIN_16M_MAX; i++) { 349 ch->ch_cmemt[i] = bus_space_create(0, "PCMCIA common memory", 350 baseaddr + 0x01000000, ch->ch_memsize); 351 } 352 353 /* I/O port extent */ 354 ch->ch_iobase = 0; 355 ch->ch_iosize = 0x01000000; 356 ch->ch_iot = bus_space_create(0, "PCMCIA I/O port", 357 baseaddr + 0x01000000 * 2, ch->ch_iosize); 358 359 /* Interrupt */ 360 hd64465_intr_establish(channel ? HD64465_PCC1 : HD64465_PCC0, 361 IST_LEVEL, IPL_TTY, hd64465pcmcia_intr, ch); 362 363 paa.paa_busname = "pcmcia"; 364 paa.pch = (pcmcia_chipset_handle_t)ch; 365 366 ch->ch_pcmcia = config_found_sm_loc(parent, "pcmciabus", NULL, &paa, 367 hd64465pcmcia_print, hd64465pcmcia_submatch); 368 369 if (ch->ch_pcmcia && (__detect_card(ch->ch_channel) == EVENT_INSERT)) { 370 ch->ch_attached = 1; 371 pcmcia_card_attach(ch->ch_pcmcia); 372 } 373 } 374 375 int 376 hd64465pcmcia_intr(void *arg) 377 { 378 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)arg; 379 uint32_t cscr; 380 uint8_t r; 381 int ret = 0; 382 383 cscr = HD64461_PCCCSCR(ch->ch_channel); 384 r = hd64465_reg_read_1(cscr); 385 386 /* clear interrtupt (don't change power switch select) */ 387 hd64465_reg_write_1(cscr, r & ~0x40); 388 389 if (r & (0x60 | 0x04/* for memory mapped mode*/)) { 390 if (ch->ch_ih_card_func) { 391 ret = (*ch->ch_ih_card_func)(ch->ch_ih_card_arg); 392 } else { 393 DPRINTF("spurious IREQ interrupt.\n"); 394 } 395 } 396 397 if (r & HD64461_PCC0CSCR_P0CDC) 398 __queue_event(ch, __detect_card(ch->ch_channel)); 399 400 return (ret); 401 } 402 403 void 404 __queue_event(struct hd64465pcmcia_channel *ch, 405 enum hd64465pcmcia_event_type type) 406 { 407 struct hd64465pcmcia_event *pe, *pool; 408 struct hd64465pcmcia_softc *sc = ch->ch_parent; 409 int i; 410 int s = splhigh(); 411 412 if (type == EVENT_NONE) 413 goto out; 414 415 pe = 0; 416 pool = sc->sc_event_pool; 417 for (i = 0; i < EVENT_QUEUE_MAX; i++) { 418 if (!pool[i].__queued) { 419 pe = &pool[i]; 420 break; 421 } 422 } 423 424 if (pe == 0) { 425 printf("%s: event FIFO overflow (max %d).\n", __func__, 426 EVENT_QUEUE_MAX); 427 goto out; 428 } 429 430 if ((ch->ch_attached && (type == EVENT_INSERT)) || 431 (!ch->ch_attached && (type == EVENT_REMOVE))) { 432 DPRINTF("spurious CSC interrupt.\n"); 433 goto out; 434 } 435 436 ch->ch_attached = (type == EVENT_INSERT); 437 pe->__queued = 1; 438 pe->pe_type = type; 439 pe->pe_ch = ch; 440 SIMPLEQ_INSERT_TAIL(&sc->sc_event_head, pe, pe_link); 441 wakeup(sc); 442 out: 443 splx(s); 444 } 445 446 /* 447 * Interface for pcmcia driver. 448 */ 449 /* 450 * Interrupt. 451 */ 452 void * 453 hd64465pcmcia_chip_intr_establish(pcmcia_chipset_handle_t pch, 454 struct pcmcia_function *pf, int ipl, int (*ih_func)(void *), void *ih_arg) 455 { 456 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 457 int channel = ch->ch_channel; 458 bus_addr_t cscier = HD64461_PCCCSCIER(channel); 459 uint8_t r; 460 int s = splhigh(); 461 462 hd6446x_intr_priority(ch->ch_channel == 0 ? HD64465_PCC0 : HD64465_PCC1, 463 ipl); 464 465 ch->ch_ih_card_func = ih_func; 466 ch->ch_ih_card_arg = ih_arg; 467 468 /* Enable card interrupt */ 469 r = hd64465_reg_read_1(cscier); 470 /* set level mode */ 471 r &= ~HD64461_PCC0CSCIER_P0IREQE_MASK; 472 r |= HD64461_PCC0CSCIER_P0IREQE_LEVEL; 473 hd64465_reg_write_1(cscier, r); 474 475 splx(s); 476 477 return (void *)ih_func; 478 } 479 480 void 481 hd64465pcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih) 482 { 483 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 484 int channel = ch->ch_channel; 485 bus_addr_t cscier = HD64461_PCCCSCIER(channel); 486 int s = splhigh(); 487 uint8_t r; 488 489 hd6446x_intr_priority(ch->ch_channel == 0 ? HD64465_PCC0 : HD64465_PCC1, 490 IPL_TTY); 491 492 /* Disable card interrupt */ 493 r = hd64465_reg_read_1(cscier); 494 r &= ~HD64461_PCC0CSCIER_P0IREQE_MASK; 495 r |= HD64461_PCC0CSCIER_P0IREQE_NONE; 496 hd64465_reg_write_1(cscier, r); 497 498 ch->ch_ih_card_func = 0; 499 500 splx(s); 501 } 502 503 /* 504 * Bus resources. 505 */ 506 int 507 hd64465pcmcia_chip_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size, 508 struct pcmcia_mem_handle *pcmhp) 509 { 510 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 511 512 pcmhp->memt = ch->ch_memt; 513 pcmhp->addr = ch->ch_membase_addr; 514 pcmhp->memh = ch->ch_memh; 515 pcmhp->size = size; 516 pcmhp->realsize = size; 517 518 DPRINTF("base 0x%08lx size %#lx\n", pcmhp->addr, size); 519 520 return (0); 521 } 522 523 void 524 hd64465pcmcia_chip_mem_free(pcmcia_chipset_handle_t pch, 525 struct pcmcia_mem_handle *pcmhp) 526 { 527 /* NO-OP */ 528 } 529 530 int 531 hd64465pcmcia_chip_mem_map(pcmcia_chipset_handle_t pch, int kind, 532 bus_addr_t card_addr, bus_size_t size, struct pcmcia_mem_handle *pcmhp, 533 bus_size_t *offsetp, int *windowp) 534 { 535 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 536 struct hd64465pcmcia_window_cookie *cookie; 537 bus_addr_t ofs; 538 539 cookie = malloc(sizeof(struct hd64465pcmcia_window_cookie), 540 M_DEVBUF, M_NOWAIT); 541 KASSERT(cookie); 542 memset(cookie, 0, sizeof(struct hd64465pcmcia_window_cookie)); 543 544 /* Address */ 545 if ((kind & ~PCMCIA_WIDTH_MEM_MASK) == PCMCIA_MEM_ATTR) { 546 cookie->wc_tag = ch->ch_memt; 547 if (bus_space_subregion(ch->ch_memt, ch->ch_memh, card_addr, 548 size, &cookie->wc_handle) != 0) 549 goto bad; 550 551 *offsetp = card_addr; 552 cookie->wc_window = -1; 553 } else { 554 int window = card_addr / ch->ch_memsize; 555 KASSERT(window < MEMWIN_16M_MAX); 556 557 cookie->wc_tag = ch->ch_cmemt[window]; 558 ofs = card_addr - window * ch->ch_memsize; 559 if (bus_space_map(cookie->wc_tag, ofs, size, 0, 560 &cookie->wc_handle) != 0) 561 goto bad; 562 563 /* XXX bogus. check window per common memory access. */ 564 hd64465pcmcia_memory_window16_switch(ch->ch_channel, window); 565 *offsetp = ofs + 0x01000000; /* skip attribute area */ 566 cookie->wc_window = window; 567 } 568 cookie->wc_size = size; 569 *windowp = (int)cookie; 570 571 DPRINTF("(%s) %#lx+%#lx-> %#lx+%#lx\n", kind == PCMCIA_MEM_ATTR ? 572 "attribute" : "common", ch->ch_memh, card_addr, *offsetp, size); 573 574 return (0); 575 bad: 576 DPRINTF("%#lx-%#lx map failed.\n", card_addr, size); 577 free(cookie, M_DEVBUF); 578 579 return (1); 580 } 581 582 void 583 hd64465pcmcia_chip_mem_unmap(pcmcia_chipset_handle_t pch, int window) 584 { 585 struct hd64465pcmcia_window_cookie *cookie = (void *)window; 586 587 if (cookie->wc_window != -1) 588 bus_space_unmap(cookie->wc_tag, cookie->wc_handle, 589 cookie->wc_size); 590 DPRINTF("%#lx-%#x\n", cookie->wc_handle, cookie->wc_size); 591 free(cookie, M_DEVBUF); 592 } 593 594 int 595 hd64465pcmcia_chip_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start, 596 bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pcihp) 597 { 598 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 599 600 if (start) { 601 if (bus_space_map(ch->ch_iot, start, size, 0, &pcihp->ioh)) { 602 DPRINTF("couldn't map %#lx+%#lx\n", start, size); 603 return (1); 604 } 605 pcihp->addr = pcihp->ioh; 606 DPRINTF("map %#lx+%#lx\n", start, size); 607 } else { 608 if (bus_space_alloc(ch->ch_iot, ch->ch_iobase, 609 ch->ch_iobase + ch->ch_iosize - 1, 610 size, align, 0, 0, &pcihp->addr, &pcihp->ioh)) { 611 DPRINTF("couldn't allocate %#lx\n", size); 612 return (1); 613 } 614 pcihp->flags = PCMCIA_IO_ALLOCATED; 615 } 616 DPRINTF("%#lx from %#lx\n", size, pcihp->addr); 617 618 pcihp->iot = ch->ch_iot; 619 pcihp->size = size; 620 621 return (0); 622 } 623 624 int 625 hd64465pcmcia_chip_io_map(pcmcia_chipset_handle_t pch, int width, 626 bus_addr_t offset, bus_size_t size, struct pcmcia_io_handle *pcihp, 627 int *windowp) 628 { 629 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 630 #ifdef HD64465PCMCIA_DEBUG 631 static const char *width_names[] = { "auto", "io8", "io16" }; 632 #endif 633 634 __sh_set_bus_width(ch->ch_channel, width); 635 636 DPRINTF("%#lx:%#lx+%#lx %s\n", pcihp->ioh, offset, size, 637 width_names[width]); 638 639 return (0); 640 } 641 642 void 643 hd64465pcmcia_chip_io_free(pcmcia_chipset_handle_t pch, 644 struct pcmcia_io_handle *pcihp) 645 { 646 647 if (pcihp->flags & PCMCIA_IO_ALLOCATED) 648 bus_space_free(pcihp->iot, pcihp->ioh, pcihp->size); 649 else 650 bus_space_unmap(pcihp->iot, pcihp->ioh, pcihp->size); 651 652 DPRINTF("%#lx+%#lx\n", pcihp->ioh, pcihp->size); 653 } 654 655 void 656 hd64465pcmcia_chip_io_unmap(pcmcia_chipset_handle_t pch, int window) 657 { 658 /* nothing to do */ 659 } 660 661 /* 662 * Enable/Disable 663 */ 664 void 665 hd64465pcmcia_chip_socket_enable(pcmcia_chipset_handle_t pch) 666 { 667 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 668 int channel = ch->ch_channel; 669 bus_addr_t gcr; 670 uint8_t r; 671 672 DPRINTF("enable channel %d\n", channel); 673 gcr = HD64461_PCCGCR(channel); 674 675 r = hd64465_reg_read_1(gcr); 676 r &= ~HD64461_PCC0GCR_P0PCCT; 677 hd64465_reg_write_1(gcr, r); 678 679 /* Set Common memory area #0. */ 680 hd64465pcmcia_memory_window16_switch(channel, MEMWIN_16M_COMMON_0); 681 682 DPRINTF("OK.\n"); 683 } 684 685 void 686 hd64465pcmcia_chip_socket_settype(pcmcia_chipset_handle_t pch, int type) 687 { 688 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 689 int channel = ch->ch_channel; 690 bus_addr_t gcr; 691 uint8_t r; 692 693 DPRINTF("settype channel %d\n", channel); 694 gcr = HD64461_PCCGCR(channel); 695 696 /* Set the card type */ 697 r = hd64465_reg_read_1(gcr); 698 if (type == PCMCIA_IFTYPE_IO) 699 r |= HD64461_PCC0GCR_P0PCCT; 700 else 701 r &= ~HD64461_PCC0GCR_P0PCCT; 702 hd64465_reg_write_1(gcr, r); 703 704 DPRINTF("OK.\n"); 705 } 706 707 void 708 hd64465pcmcia_chip_socket_disable(pcmcia_chipset_handle_t pch) 709 { 710 struct hd64465pcmcia_channel *ch = (struct hd64465pcmcia_channel *)pch; 711 int channel = ch->ch_channel; 712 713 /* dont' disable CSC interrupt */ 714 hd64465_reg_write_1(HD64461_PCCCSCIER(channel), HD64461_PCCCSCIER_CDE); 715 hd64465_reg_write_1(HD64461_PCCCSCR(channel), 0); 716 } 717 718 /* 719 * Card detect 720 */ 721 enum hd64465pcmcia_event_type 722 __detect_card(int channel) 723 { 724 uint8_t r; 725 726 r = hd64465_reg_read_1(HD64461_PCCISR(channel)) & 727 (HD64461_PCCISR_CD2 | HD64461_PCCISR_CD1); 728 729 if (r == (HD64461_PCCISR_CD2 | HD64461_PCCISR_CD1)) { 730 DPRINTF("remove\n"); 731 return EVENT_REMOVE; 732 } 733 if (r == 0) { 734 DPRINTF("insert\n"); 735 return EVENT_INSERT; 736 } 737 DPRINTF("transition\n"); 738 739 return (EVENT_NONE); 740 } 741 742 /* 743 * Memory window access ops. 744 */ 745 void 746 hd64465pcmcia_memory_window16_switch(int channel, enum memory_window_16 window) 747 { 748 bus_addr_t a = HD64461_PCCGCR(channel); 749 uint8_t r; 750 751 r = hd64465_reg_read_1(a); 752 r &= ~(HD64461_PCCGCR_PA25 | HD64461_PCCGCR_PA24); 753 754 switch (window) { 755 case MEMWIN_16M_COMMON_0: 756 break; 757 case MEMWIN_16M_COMMON_1: 758 r |= HD64461_PCCGCR_PA24; 759 break; 760 case MEMWIN_16M_COMMON_2: 761 r |= HD64461_PCCGCR_PA25; 762 break; 763 case MEMWIN_16M_COMMON_3: 764 r |= (HD64461_PCCGCR_PA25 | HD64461_PCCGCR_PA24); 765 break; 766 } 767 768 hd64465_reg_write_1(a, r); 769 } 770 771 /* 772 * SH interface. 773 */ 774 void 775 __sh_set_bus_width(int channel, int width) 776 { 777 uint16_t r16; 778 779 r16 = _reg_read_2(SH4_BCR2); 780 #ifdef HD64465PCMCIA_DEBUG 781 dbg_bit_print_msg(r16, "BCR2"); 782 #endif 783 if (channel == 0) { 784 r16 &= ~((1 << 13)|(1 << 12)); 785 r16 |= 1 << (width == PCMCIA_WIDTH_IO8 ? 12 : 13); 786 } else { 787 r16 &= ~((1 << 11)|(1 << 10)); 788 r16 |= 1 << (width == PCMCIA_WIDTH_IO8 ? 10 : 11); 789 } 790 _reg_write_2(SH4_BCR2, r16); 791 } 792 793 vaddr_t 794 __sh_hd64465_map_2page(paddr_t pa) 795 { 796 static const uint32_t mode[] = 797 { _PG_PCMCIA_ATTR16, _PG_PCMCIA_MEM16, _PG_PCMCIA_IO }; 798 vaddr_t va, v; 799 int i; 800 801 /* allocate kernel virtual */ 802 v = va = uvm_km_alloc(kernel_map, 0x03000000, 0, UVM_KMF_VAONLY); 803 if (va == 0) { 804 PRINTF("can't allocate virtual for paddr 0x%08x\n", 805 (unsigned)pa); 806 807 return (0); 808 } 809 810 /* map to physical addreess with specified memory type. */ 811 for (i = 0; i < 3; i++, pa += 0x01000000, va += 0x01000000) { 812 if (__sh_hd64465_map(va, pa, 0x2000, mode[i]) != 0) { 813 pmap_kremove(v, 0x03000000); 814 uvm_km_free(kernel_map, v, 0x03000000, UVM_KMF_VAONLY); 815 return (0); 816 } 817 } 818 819 return (v); 820 } 821 822 int 823 __sh_hd64465_map(vaddr_t va, paddr_t pa, size_t sz, uint32_t flags) 824 { 825 pt_entry_t *pte; 826 paddr_t epa; 827 828 KDASSERT(((pa & PAGE_MASK) == 0) && ((va & PAGE_MASK) == 0) && 829 ((sz & PAGE_MASK) == 0)); 830 831 epa = pa + sz; 832 while (pa < epa) { 833 pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE, 0); 834 pte = __pmap_kpte_lookup(va); 835 KDASSERT(pte); 836 *pte |= flags; /* PTEA PCMCIA assistant bit */ 837 sh_tlb_update(0, va, *pte); 838 pa += PAGE_SIZE; 839 va += PAGE_SIZE; 840 } 841 842 return (0); 843 } 844
Indexes created Fri Oct 03 02:09:57 GMT 2025