gxio.c revision 1.16
1 /* $NetBSD: gxio.c,v 1.16 2010/08/28 04:39:42 kiyohara Exp $ */ 2 /* 3 * Copyright (C) 2005, 2006, 2007 WIDE Project and SOUM Corporation. 4 * All rights reserved. 5 * 6 * Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM 7 * Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the name of SOUM Corporation 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM CORPORATION ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT AND SOUM CORPORATION 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: gxio.c,v 1.16 2010/08/28 04:39:42 kiyohara Exp $"); 35 36 #include "opt_cputypes.h" 37 #include "opt_gumstix.h" 38 #include "opt_gxio.h" 39 40 #include <sys/param.h> 41 #include <sys/device.h> 42 #include <sys/errno.h> 43 #include <sys/kernel.h> 44 45 #include <sys/systm.h> 46 47 #include <machine/bootconfig.h> 48 49 #include <arm/omap/omap2_gpmcreg.h> 50 #include <arm/omap/omap2_reg.h> 51 #include <arm/omap/omap2_intr.h> 52 #include <arm/omap/omap_var.h> 53 #if defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250) 54 #include <arm/xscale/pxa2x0cpu.h> 55 #endif 56 #include <arm/xscale/pxa2x0reg.h> 57 #include <arm/xscale/pxa2x0var.h> 58 #include <arm/xscale/pxa2x0_gpio.h> 59 #include <evbarm/gumstix/gumstixreg.h> 60 #include <evbarm/gumstix/gumstixvar.h> 61 62 #include "ioconf.h" 63 #include "locators.h" 64 65 66 struct gxioconf { 67 const char *name; 68 void (*config)(void); 69 }; 70 71 #if defined(GUMSTIX) 72 static int gxiomatch(device_t, cfdata_t, void *); 73 static void gxioattach(device_t, device_t, void *); 74 static int gxiosearch(device_t, cfdata_t, const int *, void *); 75 static int gxioprint(void *, const char *); 76 77 CFATTACH_DECL_NEW(gxio, sizeof(struct gxio_softc), 78 gxiomatch, gxioattach, NULL, NULL); 79 #endif 80 81 void gxio_config_pin(void); 82 void gxio_config_expansion(char *); 83 static void gxio_config_gpio(const struct gxioconf *, char *); 84 #if defined(GUMSTIX) 85 static void basix_config(void); 86 static void cfstix_config(void); 87 static void etherstix_config(void); 88 static void netcf_config(void); 89 static void netcf_vx_config(void); 90 static void netduommc_config(void); 91 static void netduo_config(void); 92 static void netmicrosd_config(void); 93 static void netwifimicrosd_config(void); 94 static void netmmc_config(void); 95 static void wifistix_config(void); 96 static void wifistix_cf_config(void); 97 #elif defined(OVERO) 98 static void eth0_config(void); 99 static void eth1_config(void); 100 static void chestnut_config(void); 101 static void tobi_config(void); 102 static void tobiduo_config(void); 103 #endif 104 105 #if defined(CPU_XSCALE_PXA250) 106 static struct pxa2x0_gpioconf pxa255dep_gpioconf[] = { 107 /* Bluetooth module configuration */ 108 { 7, GPIO_OUT | GPIO_SET }, /* power on */ 109 { 12, GPIO_ALT_FN_1_OUT }, /* 32kHz out. required by SingleStone */ 110 111 /* AC97 configuration */ 112 { 29, GPIO_ALT_FN_1_IN }, /* SDATA_IN0 */ 113 114 /* FFUART configuration */ 115 { 35, GPIO_ALT_FN_1_IN }, /* CTS */ 116 { 41, GPIO_ALT_FN_2_OUT }, /* RTS */ 117 118 #ifndef GXIO_BLUETOOTH_ON_HWUART 119 /* BTUART configuration */ 120 { 44, GPIO_ALT_FN_1_IN }, /* BTCTS */ 121 { 45, GPIO_ALT_FN_2_OUT }, /* BTRTS */ 122 #else 123 /* HWUART configuration */ 124 { 42, GPIO_ALT_FN_3_IN }, /* HWRXD */ 125 { 43, GPIO_ALT_FN_3_OUT }, /* HWTXD */ 126 { 44, GPIO_ALT_FN_3_IN }, /* HWCTS */ 127 { 45, GPIO_ALT_FN_3_OUT }, /* HWRTS */ 128 #endif 129 130 #ifndef GXIO_BLUETOOTH_ON_HWUART 131 /* HWUART configuration */ 132 { 48, GPIO_ALT_FN_1_OUT }, /* HWTXD */ 133 { 49, GPIO_ALT_FN_1_IN }, /* HWRXD */ 134 { 50, GPIO_ALT_FN_1_IN }, /* HWCTS */ 135 { 51, GPIO_ALT_FN_1_OUT }, /* HWRTS */ 136 #endif 137 138 { -1 } 139 }; 140 #endif 141 #if defined(CPU_XSCALE_PXA270) 142 static struct pxa2x0_gpioconf verdexdep_gpioconf[] = { 143 /* Bluetooth module configuration */ 144 { 9, GPIO_ALT_FN_3_OUT }, /* CHOUT<0> */ 145 { 12, GPIO_OUT | GPIO_SET }, 146 147 /* LCD configuration */ 148 { 17, GPIO_IN }, /* backlight on */ 149 150 /* FFUART configuration */ 151 { 34, GPIO_ALT_FN_1_IN }, /* FFRXD */ 152 { 39, GPIO_ALT_FN_2_OUT }, /* FFTXD */ 153 154 /* BTUART configuration */ 155 { 42, GPIO_ALT_FN_1_IN }, /* BTRXD */ 156 { 43, GPIO_ALT_FN_2_OUT }, /* BTTXD */ 157 { 44, GPIO_ALT_FN_1_IN }, /* BTCTS */ 158 { 45, GPIO_ALT_FN_2_OUT }, /* BTRTS */ 159 160 /* AC97 configuration */ 161 { 29, GPIO_ALT_FN_1_IN }, /* SDATA_IN0 */ 162 163 { -1 } 164 }; 165 #endif 166 167 static const struct gxioconf busheader_conf[] = { 168 #if defined(GUMSTIX) 169 { "basix", basix_config }, 170 { "cfstix", cfstix_config }, 171 { "etherstix", etherstix_config }, 172 { "netcf", netcf_config }, 173 { "netcf-vx", netcf_vx_config }, 174 { "netduo-mmc", netduommc_config }, 175 { "netduo", netduo_config }, 176 { "netmicrosd", netmicrosd_config }, 177 { "netmicrosd-vx", netmicrosd_config }, 178 { "netwifimicrosd", netwifimicrosd_config }, 179 { "netmmc", netmmc_config }, 180 { "netpro-vx", netwifimicrosd_config }, 181 { "wifistix-cf", wifistix_cf_config }, 182 { "wifistix", wifistix_config }, 183 #elif defined(OVERO) 184 { "chestnut43", chestnut_config }, 185 { "tobi", tobi_config }, 186 { "tobi-duo", tobiduo_config }, 187 #endif 188 { NULL } 189 }; 190 191 int gxpcic_gpio_reset; 192 struct gxpcic_slot_irqs gxpcic_slot_irqs[2] = { { 0, -1, -1 }, { 0, -1, -1 } }; 193 194 195 #if defined(GUMSTIX) 196 /* ARGSUSED */ 197 static int 198 gxiomatch(device_t parent, cfdata_t match, void *aux) 199 { 200 201 struct pxaip_attach_args *pxa = aux; 202 bus_space_tag_t iot = &pxa2x0_bs_tag; 203 bus_space_handle_t ioh; 204 205 if (strcmp(pxa->pxa_name, match->cf_name) != 0 || 206 pxa->pxa_addr != PXAIPCF_ADDR_DEFAULT) 207 return 0; 208 209 if (bus_space_map(iot, 210 PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &ioh)) 211 return 0; 212 bus_space_unmap(iot, ioh, PXA2X0_MEMCTL_SIZE); 213 214 /* nothing */ 215 return 1; 216 } 217 218 /* ARGSUSED */ 219 static void 220 gxioattach(device_t parent, device_t self, void *aux) 221 { 222 struct gxio_softc *sc = device_private(self); 223 224 aprint_normal("\n"); 225 aprint_naive("\n"); 226 227 sc->sc_dev = self; 228 sc->sc_iot = &pxa2x0_bs_tag; 229 230 if (bus_space_map(sc->sc_iot, 231 PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &sc->sc_ioh)) 232 return; 233 234 /* 235 * Attach each gumstix(busheader)/overo expansion board devices. 236 */ 237 config_search_ia(gxiosearch, self, "gxio", NULL); 238 } 239 240 /* ARGSUSED */ 241 static int 242 gxiosearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 243 { 244 struct gxio_softc *sc = device_private(parent); 245 struct gxio_attach_args gxa; 246 247 gxa.gxa_sc = sc; 248 gxa.gxa_iot = sc->sc_iot; 249 gxa.gxa_addr = cf->cf_loc[GXIOCF_ADDR]; 250 gxa.gxa_gpirq = cf->cf_loc[GXIOCF_GPIRQ]; 251 252 if (config_match(parent, cf, &gxa)) 253 config_attach(parent, cf, &gxa, gxioprint); 254 255 return 0; 256 } 257 258 /* ARGSUSED */ 259 static int 260 gxioprint(void *aux, const char *name) 261 { 262 struct gxio_attach_args *gxa = (struct gxio_attach_args *)aux; 263 264 if (gxa->gxa_addr != GXIOCF_ADDR_DEFAULT) 265 printf(" addr 0x%lx", gxa->gxa_addr); 266 if (gxa->gxa_gpirq > 0) 267 printf(" gpirq %d", gxa->gxa_gpirq); 268 return UNCONF; 269 } 270 #endif 271 272 273 /* 274 * configure for GPIO pin and expansion boards. 275 */ 276 void 277 gxio_config_pin(void) 278 { 279 #if defined(CPU_XSCALE_PXA250) 280 struct pxa2x0_gpioconf *gumstix_gpioconf[] = { 281 pxa25x_com_ffuart_gpioconf, 282 pxa25x_com_stuart_gpioconf, 283 #ifndef GXIO_BLUETOOTH_ON_HWUART 284 pxa25x_com_btuart_gpioconf, 285 #endif 286 pxa25x_com_hwuart_gpioconf, 287 pxa25x_i2c_gpioconf, 288 pxa25x_pxaacu_gpioconf, 289 pxa255dep_gpioconf, 290 NULL 291 }; 292 #endif 293 #if defined(CPU_XSCALE_PXA270) 294 struct pxa2x0_gpioconf *verdex_gpioconf[] = { 295 pxa27x_com_ffuart_gpioconf, 296 pxa27x_com_stuart_gpioconf, 297 pxa27x_com_btuart_gpioconf, 298 pxa27x_i2c_gpioconf, 299 pxa27x_pxaacu_gpioconf, 300 pxa27x_pxamci_gpioconf, 301 pxa27x_ohci_gpioconf, 302 verdexdep_gpioconf, 303 NULL 304 }; 305 #endif 306 307 /* XXX: turn off for power of bluetooth module */ 308 #if defined(CPU_XSCALE_PXA250) 309 pxa2x0_gpio_set_function(7, GPIO_OUT | GPIO_CLR); 310 #elif defined(CPU_XSCALE_PXA270) 311 pxa2x0_gpio_set_function(12, GPIO_OUT | GPIO_CLR); 312 #endif 313 #if !defined(OVERO) /* XXXXX */ 314 delay(100); 315 #endif 316 317 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 318 pxa2x0_gpio_config( 319 (CPU_IS_PXA250) ? gumstix_gpioconf : verdex_gpioconf); 320 #elif defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250) 321 #if defined(CPU_XSCALE_PXA270) 322 pxa2x0_gpio_config(verdex_gpioconf); 323 #else 324 pxa2x0_gpio_config(gumstix_gpioconf); 325 #endif 326 #endif 327 } 328 329 void 330 gxio_config_expansion(char *expansion) 331 { 332 333 if (expansion == NULL) { 334 printf("not specified 'expansion=' in the boot args.\n"); 335 #ifdef GXIO_DEFAULT_EXPANSION 336 printf("configure default expansion (%s)\n", 337 GXIO_DEFAULT_EXPANSION); 338 expansion = __UNCONST(GXIO_DEFAULT_EXPANSION); 339 #else 340 return; 341 #endif 342 } 343 gxio_config_gpio(busheader_conf, expansion); 344 } 345 346 static void 347 gxio_config_gpio(const struct gxioconf *gxioconflist, char *expansion) 348 { 349 int i, rv; 350 351 for (i = 0; i < strlen(expansion); i++) 352 expansion[i] = tolower(expansion[i]); 353 for (i = 0; gxioconflist[i].name != NULL; i++) { 354 rv = strncmp(expansion, gxioconflist[i].name, 355 strlen(gxioconflist[i].name) + 1); 356 if (rv == 0) { 357 gxioconflist[i].config(); 358 break; 359 } 360 } 361 } 362 363 364 #if defined(GUMSTIX) 365 366 static void 367 basix_config(void) 368 { 369 370 pxa2x0_gpio_set_function(8, GPIO_ALT_FN_1_OUT); /* MMCCS0 */ 371 pxa2x0_gpio_set_function(53, GPIO_ALT_FN_1_OUT); /* MMCCLK */ 372 #if 0 373 /* this configuration set by gxmci.c::pxamci_attach() */ 374 pxa2x0_gpio_set_function(11, GPIO_IN); /* nSD_DETECT */ 375 pxa2x0_gpio_set_function(22, GPIO_IN); /* nSD_WP */ 376 #endif 377 } 378 379 static void 380 cfstix_config(void) 381 { 382 u_int gpio, npoe_fn; 383 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 384 int bvd = (CPU_IS_PXA250) ? 4 : 111; 385 #else 386 #if defined(CPU_XSCALE_PXA270) 387 const int bvd = 111; 388 #else 389 const int bvd = 4; 390 #endif 391 #endif 392 393 if (CPU_IS_PXA250) { 394 gxpcic_slot_irqs[0].valid = 1; 395 gxpcic_slot_irqs[0].cd = 11; 396 gxpcic_slot_irqs[0].prdy = 26; 397 gxpcic_gpio_reset = 8; 398 } else { 399 gxpcic_slot_irqs[0].valid = 1; 400 gxpcic_slot_irqs[0].cd = 104; 401 gxpcic_slot_irqs[0].prdy = 96; 402 gxpcic_gpio_reset = 97; 403 } 404 405 #if 1 406 /* PCD/PRDY set by pxa2x0_pcic.c::pxapcic_attach_common() */ 407 #else 408 pxa2x0_gpio_set_function(11, GPIO_IN); /* PCD1 */ 409 pxa2x0_gpio_set_function(26, GPIO_IN); /* PRDY1/~IRQ1 */ 410 #endif 411 pxa2x0_gpio_set_function(bvd, GPIO_IN); /* BVD1/~STSCHG1 */ 412 413 for (gpio = 48, npoe_fn = 0; gpio <= 53 ; gpio++) 414 npoe_fn |= pxa2x0_gpio_get_function(gpio); 415 npoe_fn &= GPIO_SET; 416 417 pxa2x0_gpio_set_function(48, GPIO_ALT_FN_2_OUT | npoe_fn); /* nPOE */ 418 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 419 pxa2x0_gpio_set_function(50, GPIO_ALT_FN_2_OUT); /* nPIOR */ 420 pxa2x0_gpio_set_function(51, GPIO_ALT_FN_2_OUT); /* nPIOW */ 421 if (CPU_IS_PXA250) { 422 pxa2x0_gpio_set_function(52, GPIO_ALT_FN_2_OUT); /* nPCE1 */ 423 pxa2x0_gpio_set_function(53, GPIO_ALT_FN_2_OUT); /* nPCE2 */ 424 pxa2x0_gpio_set_function(54, GPIO_ALT_FN_2_OUT); /* pSKTSEL */ 425 } else { 426 pxa2x0_gpio_set_function(102, GPIO_ALT_FN_1_OUT); /* nPCE1 */ 427 pxa2x0_gpio_set_function(105, GPIO_ALT_FN_1_OUT); /* nPCE2 */ 428 pxa2x0_gpio_set_function(79, GPIO_ALT_FN_1_OUT); /* pSKTSEL */ 429 } 430 pxa2x0_gpio_set_function(55, GPIO_ALT_FN_2_OUT); /* nPREG */ 431 pxa2x0_gpio_set_function(56, GPIO_ALT_FN_1_IN); /* nPWAIT */ 432 pxa2x0_gpio_set_function(57, GPIO_ALT_FN_1_IN); /* nIOIS16 */ 433 } 434 435 static void 436 etherstix_config(void) 437 { 438 extern struct cfdata cfdata[]; 439 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 440 int rst = (CPU_IS_PXA250) ? 80 : 32; 441 int irq = (CPU_IS_PXA250) ? 36 : 99; 442 #else 443 #if defined(CPU_XSCALE_PXA270) 444 const int rst = 32, irq = 99; 445 #else 446 const int rst = 80, irq = 36; 447 #endif 448 #endif 449 int i; 450 451 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 452 pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT); /* nCS 1 */ 453 pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_SET); /* RESET 1 */ 454 delay(1); 455 pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_CLR); 456 delay(50000); 457 458 for (i = 0; cfdata[i].cf_name != NULL; i++) 459 if (strcmp(cfdata[i].cf_name, "sm") == 0 && 460 strcmp(cfdata[i].cf_atname, "sm_gxio") == 0 && 461 cfdata[i].cf_loc[GXIOCF_ADDR] == 0x04000300 && 462 cfdata[i].cf_loc[GXIOCF_GPIRQ] == GXIOCF_GPIRQ_DEFAULT) 463 cfdata[i].cf_loc[GXIOCF_GPIRQ] = irq; 464 } 465 466 static void 467 netcf_config(void) 468 { 469 470 etherstix_config(); 471 cfstix_config(); 472 } 473 474 static void 475 netcf_vx_config(void) 476 { 477 478 /* 479 * XXXX: More power is necessary for NIC and USB??? 480 * (no document. from Linux) 481 */ 482 483 pxa2x0_gpio_set_function(27, GPIO_IN); 484 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR); 485 pxa2x0_gpio_set_function(118, GPIO_ALT_FN_1_IN | GPIO_CLR); 486 487 etherstix_config(); 488 cfstix_config(); 489 if (CPU_IS_PXA270) { 490 /* Overwrite */ 491 gxpcic_slot_irqs[0].cd = 104; 492 gxpcic_slot_irqs[0].prdy = 109; 493 gxpcic_gpio_reset = 110; 494 }; 495 } 496 497 static void 498 netduommc_config(void) 499 { 500 501 netduo_config(); 502 basix_config(); 503 } 504 505 static void 506 netduo_config(void) 507 { 508 509 etherstix_config(); 510 511 pxa2x0_gpio_set_function(78, GPIO_ALT_FN_2_OUT); /* nCS 2 */ 512 pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_SET); /* RESET 2 */ 513 delay(1); 514 pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_CLR); 515 delay(50000); 516 } 517 518 static void 519 netmicrosd_config(void) 520 { 521 522 /* MicroSD(mci) always configure on PXA270 */ 523 524 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 525 pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT); /* nCS 1 */ 526 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR); /* RESET 1 */ 527 delay(hz / 2); 528 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_SET); 529 delay(50000); 530 } 531 532 static void 533 netwifimicrosd_config(void) 534 { 535 536 netmicrosd_config(); 537 538 cfstix_config(); 539 /* However use pxamci. */ 540 pxa2x0_gpio_set_function(111, GPIO_CLR | GPIO_ALT_FN_1_IN); 541 /* Power to Marvell 88W8385 */ 542 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 543 } 544 545 static void 546 netmmc_config(void) 547 { 548 549 etherstix_config(); 550 basix_config(); 551 } 552 553 static void 554 wifistix_config(void) 555 { 556 557 cfstix_config(); 558 559 /* Power to Marvell 88W8385 */ 560 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 561 } 562 563 static void 564 wifistix_cf_config(void) 565 { 566 567 gxpcic_slot_irqs[1].valid = 1; 568 gxpcic_slot_irqs[1].cd = 36; 569 gxpcic_slot_irqs[1].prdy = 27; 570 571 #if 1 572 /* this configuration set by pxa2x0_pcic.c::pxapcic_attach_common() */ 573 #else 574 pxa2x0_gpio_set_function(36, GPIO_IN); /* PCD2 */ 575 pxa2x0_gpio_set_function(27, GPIO_IN); /* PRDY2/~IRQ2 */ 576 #endif 577 pxa2x0_gpio_set_function(18, GPIO_IN); /* BVD2/~STSCHG2 */ 578 579 cfstix_config(); 580 581 /* Power to Marvell 88W8385 */ 582 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 583 } 584 585 #elif defined(OVERO) 586 587 static void 588 eth0_config(void) 589 { 590 extern struct cfdata cfdata[]; 591 cfdata_t cf = &cfdata[0]; 592 593 /* 594 * ETH0 connects via CS5. It use GPIO 176 for IRQ. 595 */ 596 597 while (cf->cf_name != NULL) { 598 if (strcmp(cf->cf_name, "smsh") == 0 && 599 cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 176) 600 break; 601 cf++; 602 } 603 if (cf->cf_name == NULL || 604 cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT) 605 return; 606 607 ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_5, 608 GPMC_CONFIG7_CSVALID | 609 GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR])); 610 611 /* 612 * Maybe need NRESET and delay(9). 613 * However delay(9) needs to attach mputmr. 614 */ 615 } 616 617 static void 618 eth1_config(void) 619 { 620 extern struct cfdata cfdata[]; 621 cfdata_t cf = &cfdata[0]; 622 623 /* 624 * ETH1 connects via CS4. It use GPIO 65 for IRQ. 625 */ 626 627 while (cf->cf_name != NULL) { 628 if (strcmp(cf->cf_name, "smsh") == 0 && 629 cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 65) 630 break; 631 cf++; 632 } 633 if (cf->cf_name == NULL || 634 cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT) 635 return; 636 637 ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_4, 638 GPMC_CONFIG7_CSVALID | 639 GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR])); 640 641 /* ETH1 is sure to be reset with ETH0. */ 642 } 643 644 static void 645 chestnut_config(void) 646 { 647 648 eth0_config(); 649 } 650 651 static void 652 tobi_config(void) 653 { 654 655 eth0_config(); 656 } 657 658 static void 659 tobiduo_config(void) 660 { 661 662 eth0_config(); 663 eth1_config(); 664 } 665 #endif 666
Indexes created Mon Sep 29 21:09:56 GMT 2025