gxio.c revision 1.18
1 /* $NetBSD: gxio.c,v 1.18 2010/09/23 06:43:32 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 1.18 2010/09/23 06:43:32 kiyohara Exp $"); 35 36 #include "opt_cputypes.h" 37 #include "opt_gumstix.h" 38 #include "opt_gxio.h" 39 #if defined(OVERO) 40 #include "opt_omap.h" 41 #endif 42 43 #include <sys/param.h> 44 #include <sys/device.h> 45 #include <sys/errno.h> 46 #include <sys/kernel.h> 47 48 #include <sys/systm.h> 49 50 #include <machine/bootconfig.h> 51 52 #include <arm/omap/omap2_gpmcreg.h> 53 #include <arm/omap/omap2_reg.h> 54 #if defined(OMAP3530) 55 #include <arm/omap/omap2_intr.h> 56 #endif 57 #include <arm/omap/omap_var.h> 58 #if defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250) 59 #include <arm/xscale/pxa2x0cpu.h> 60 #endif 61 #include <arm/xscale/pxa2x0reg.h> 62 #include <arm/xscale/pxa2x0var.h> 63 #include <arm/xscale/pxa2x0_gpio.h> 64 #include <evbarm/gumstix/gumstixreg.h> 65 #include <evbarm/gumstix/gumstixvar.h> 66 67 #include "ioconf.h" 68 #include "locators.h" 69 70 71 struct gxioconf { 72 const char *name; 73 void (*config)(void); 74 }; 75 76 #if defined(GUMSTIX) 77 static int gxiomatch(device_t, cfdata_t, void *); 78 static void gxioattach(device_t, device_t, void *); 79 static int gxiosearch(device_t, cfdata_t, const int *, void *); 80 static int gxioprint(void *, const char *); 81 82 CFATTACH_DECL_NEW(gxio, sizeof(struct gxio_softc), 83 gxiomatch, gxioattach, NULL, NULL); 84 #endif 85 86 void gxio_config_pin(void); 87 void gxio_config_expansion(char *); 88 static void gxio_config_gpio(const struct gxioconf *, char *); 89 #if defined(GUMSTIX) 90 static void basix_config(void); 91 static void cfstix_config(void); 92 static void etherstix_config(void); 93 static void netcf_config(void); 94 static void netcf_vx_config(void); 95 static void netduommc_config(void); 96 static void netduo_config(void); 97 static void netmicrosd_config(void); 98 static void netwifimicrosd_config(void); 99 static void netmmc_config(void); 100 static void wifistix_config(void); 101 static void wifistix_cf_config(void); 102 #elif defined(OVERO) 103 static void eth0_config(void); 104 static void eth1_config(void); 105 static void chestnut_config(void); 106 static void tobi_config(void); 107 static void tobiduo_config(void); 108 #endif 109 110 #if defined(CPU_XSCALE_PXA250) 111 static struct pxa2x0_gpioconf pxa255dep_gpioconf[] = { 112 /* Bluetooth module configuration */ 113 { 7, GPIO_OUT | GPIO_SET }, /* power on */ 114 { 12, GPIO_ALT_FN_1_OUT }, /* 32kHz out. required by SingleStone */ 115 116 /* AC97 configuration */ 117 { 29, GPIO_ALT_FN_1_IN }, /* SDATA_IN0 */ 118 119 /* FFUART configuration */ 120 { 35, GPIO_ALT_FN_1_IN }, /* CTS */ 121 { 41, GPIO_ALT_FN_2_OUT }, /* RTS */ 122 123 #ifndef GXIO_BLUETOOTH_ON_HWUART 124 /* BTUART configuration */ 125 { 44, GPIO_ALT_FN_1_IN }, /* BTCTS */ 126 { 45, GPIO_ALT_FN_2_OUT }, /* BTRTS */ 127 #else 128 /* HWUART configuration */ 129 { 42, GPIO_ALT_FN_3_IN }, /* HWRXD */ 130 { 43, GPIO_ALT_FN_3_OUT }, /* HWTXD */ 131 { 44, GPIO_ALT_FN_3_IN }, /* HWCTS */ 132 { 45, GPIO_ALT_FN_3_OUT }, /* HWRTS */ 133 #endif 134 135 #ifndef GXIO_BLUETOOTH_ON_HWUART 136 /* HWUART configuration */ 137 { 48, GPIO_ALT_FN_1_OUT }, /* HWTXD */ 138 { 49, GPIO_ALT_FN_1_IN }, /* HWRXD */ 139 { 50, GPIO_ALT_FN_1_IN }, /* HWCTS */ 140 { 51, GPIO_ALT_FN_1_OUT }, /* HWRTS */ 141 #endif 142 143 { -1 } 144 }; 145 #endif 146 #if defined(CPU_XSCALE_PXA270) 147 static struct pxa2x0_gpioconf verdexdep_gpioconf[] = { 148 /* Bluetooth module configuration */ 149 { 9, GPIO_ALT_FN_3_OUT }, /* CHOUT<0> */ 150 { 12, GPIO_OUT | GPIO_SET }, 151 152 /* LCD configuration */ 153 { 17, GPIO_IN }, /* backlight on */ 154 155 /* FFUART configuration */ 156 { 34, GPIO_ALT_FN_1_IN }, /* FFRXD */ 157 { 39, GPIO_ALT_FN_2_OUT }, /* FFTXD */ 158 159 /* BTUART configuration */ 160 { 42, GPIO_ALT_FN_1_IN }, /* BTRXD */ 161 { 43, GPIO_ALT_FN_2_OUT }, /* BTTXD */ 162 { 44, GPIO_ALT_FN_1_IN }, /* BTCTS */ 163 { 45, GPIO_ALT_FN_2_OUT }, /* BTRTS */ 164 165 /* AC97 configuration */ 166 { 29, GPIO_ALT_FN_1_IN }, /* SDATA_IN0 */ 167 168 { -1 } 169 }; 170 #endif 171 172 static const struct gxioconf busheader_conf[] = { 173 #if defined(GUMSTIX) 174 { "basix", basix_config }, 175 { "cfstix", cfstix_config }, 176 { "etherstix", etherstix_config }, 177 { "netcf", netcf_config }, 178 { "netcf-vx", netcf_vx_config }, 179 { "netduo-mmc", netduommc_config }, 180 { "netduo", netduo_config }, 181 { "netmicrosd", netmicrosd_config }, 182 { "netmicrosd-vx", netmicrosd_config }, 183 { "netwifimicrosd", netwifimicrosd_config }, 184 { "netmmc", netmmc_config }, 185 { "netpro-vx", netwifimicrosd_config }, 186 { "wifistix-cf", wifistix_cf_config }, 187 { "wifistix", wifistix_config }, 188 #elif defined(OVERO) 189 { "chestnut43", chestnut_config }, 190 { "tobi", tobi_config }, 191 { "tobi-duo", tobiduo_config }, 192 #endif 193 { NULL } 194 }; 195 196 int gxpcic_gpio_reset; 197 struct gxpcic_slot_irqs gxpcic_slot_irqs[2] = { { 0, -1, -1 }, { 0, -1, -1 } }; 198 199 200 #if defined(GUMSTIX) 201 /* ARGSUSED */ 202 static int 203 gxiomatch(device_t parent, cfdata_t match, void *aux) 204 { 205 206 struct pxaip_attach_args *pxa = aux; 207 bus_space_tag_t iot = &pxa2x0_bs_tag; 208 bus_space_handle_t ioh; 209 210 if (strcmp(pxa->pxa_name, match->cf_name) != 0 || 211 pxa->pxa_addr != PXAIPCF_ADDR_DEFAULT) 212 return 0; 213 214 if (bus_space_map(iot, 215 PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &ioh)) 216 return 0; 217 bus_space_unmap(iot, ioh, PXA2X0_MEMCTL_SIZE); 218 219 /* nothing */ 220 return 1; 221 } 222 223 /* ARGSUSED */ 224 static void 225 gxioattach(device_t parent, device_t self, void *aux) 226 { 227 struct gxio_softc *sc = device_private(self); 228 229 aprint_normal("\n"); 230 aprint_naive("\n"); 231 232 sc->sc_dev = self; 233 sc->sc_iot = &pxa2x0_bs_tag; 234 235 if (bus_space_map(sc->sc_iot, 236 PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &sc->sc_ioh)) 237 return; 238 239 /* 240 * Attach each gumstix(busheader)/overo expansion board devices. 241 */ 242 config_search_ia(gxiosearch, self, "gxio", NULL); 243 } 244 245 /* ARGSUSED */ 246 static int 247 gxiosearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 248 { 249 struct gxio_softc *sc = device_private(parent); 250 struct gxio_attach_args gxa; 251 252 gxa.gxa_sc = sc; 253 gxa.gxa_iot = sc->sc_iot; 254 gxa.gxa_addr = cf->cf_loc[GXIOCF_ADDR]; 255 gxa.gxa_gpirq = cf->cf_loc[GXIOCF_GPIRQ]; 256 257 if (config_match(parent, cf, &gxa)) 258 config_attach(parent, cf, &gxa, gxioprint); 259 260 return 0; 261 } 262 263 /* ARGSUSED */ 264 static int 265 gxioprint(void *aux, const char *name) 266 { 267 struct gxio_attach_args *gxa = (struct gxio_attach_args *)aux; 268 269 if (gxa->gxa_addr != GXIOCF_ADDR_DEFAULT) 270 printf(" addr 0x%lx", gxa->gxa_addr); 271 if (gxa->gxa_gpirq > 0) 272 printf(" gpirq %d", gxa->gxa_gpirq); 273 return UNCONF; 274 } 275 #endif 276 277 278 /* 279 * configure for GPIO pin and expansion boards. 280 */ 281 void 282 gxio_config_pin(void) 283 { 284 #if defined(CPU_XSCALE_PXA250) 285 struct pxa2x0_gpioconf *gumstix_gpioconf[] = { 286 pxa25x_com_ffuart_gpioconf, 287 pxa25x_com_stuart_gpioconf, 288 #ifndef GXIO_BLUETOOTH_ON_HWUART 289 pxa25x_com_btuart_gpioconf, 290 #endif 291 pxa25x_com_hwuart_gpioconf, 292 pxa25x_i2c_gpioconf, 293 pxa25x_pxaacu_gpioconf, 294 pxa255dep_gpioconf, 295 NULL 296 }; 297 #endif 298 #if defined(CPU_XSCALE_PXA270) 299 struct pxa2x0_gpioconf *verdex_gpioconf[] = { 300 pxa27x_com_ffuart_gpioconf, 301 pxa27x_com_stuart_gpioconf, 302 pxa27x_com_btuart_gpioconf, 303 pxa27x_i2c_gpioconf, 304 pxa27x_pxaacu_gpioconf, 305 pxa27x_pxamci_gpioconf, 306 pxa27x_ohci_gpioconf, 307 verdexdep_gpioconf, 308 NULL 309 }; 310 #endif 311 312 /* XXX: turn off for power of bluetooth module */ 313 #if defined(CPU_XSCALE_PXA250) 314 pxa2x0_gpio_set_function(7, GPIO_OUT | GPIO_CLR); 315 #elif defined(CPU_XSCALE_PXA270) 316 pxa2x0_gpio_set_function(12, GPIO_OUT | GPIO_CLR); 317 #endif 318 delay(100); 319 320 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 321 pxa2x0_gpio_config( 322 (CPU_IS_PXA250) ? gumstix_gpioconf : verdex_gpioconf); 323 #elif defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250) 324 #if defined(CPU_XSCALE_PXA270) 325 pxa2x0_gpio_config(verdex_gpioconf); 326 #else 327 pxa2x0_gpio_config(gumstix_gpioconf); 328 #endif 329 #endif 330 } 331 332 void 333 gxio_config_expansion(char *expansion) 334 { 335 336 if (expansion == NULL) { 337 printf("not specified 'expansion=' in the boot args.\n"); 338 #ifdef GXIO_DEFAULT_EXPANSION 339 printf("configure default expansion (%s)\n", 340 GXIO_DEFAULT_EXPANSION); 341 expansion = __UNCONST(GXIO_DEFAULT_EXPANSION); 342 #else 343 return; 344 #endif 345 } 346 gxio_config_gpio(busheader_conf, expansion); 347 } 348 349 static void 350 gxio_config_gpio(const struct gxioconf *gxioconflist, char *expansion) 351 { 352 int i, rv; 353 354 for (i = 0; i < strlen(expansion); i++) 355 expansion[i] = tolower(expansion[i]); 356 for (i = 0; gxioconflist[i].name != NULL; i++) { 357 rv = strncmp(expansion, gxioconflist[i].name, 358 strlen(gxioconflist[i].name) + 1); 359 if (rv == 0) { 360 gxioconflist[i].config(); 361 break; 362 } 363 } 364 } 365 366 367 #if defined(GUMSTIX) 368 369 static void 370 basix_config(void) 371 { 372 373 pxa2x0_gpio_set_function(8, GPIO_ALT_FN_1_OUT); /* MMCCS0 */ 374 pxa2x0_gpio_set_function(53, GPIO_ALT_FN_1_OUT); /* MMCCLK */ 375 #if 0 376 /* this configuration set by gxmci.c::pxamci_attach() */ 377 pxa2x0_gpio_set_function(11, GPIO_IN); /* nSD_DETECT */ 378 pxa2x0_gpio_set_function(22, GPIO_IN); /* nSD_WP */ 379 #endif 380 } 381 382 static void 383 cfstix_config(void) 384 { 385 u_int gpio, npoe_fn; 386 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 387 int bvd = (CPU_IS_PXA250) ? 4 : 111; 388 #else 389 #if defined(CPU_XSCALE_PXA270) 390 const int bvd = 111; 391 #else 392 const int bvd = 4; 393 #endif 394 #endif 395 396 if (CPU_IS_PXA250) { 397 gxpcic_slot_irqs[0].valid = 1; 398 gxpcic_slot_irqs[0].cd = 11; 399 gxpcic_slot_irqs[0].prdy = 26; 400 gxpcic_gpio_reset = 8; 401 } else { 402 gxpcic_slot_irqs[0].valid = 1; 403 gxpcic_slot_irqs[0].cd = 104; 404 gxpcic_slot_irqs[0].prdy = 96; 405 gxpcic_gpio_reset = 97; 406 } 407 408 #if 1 409 /* PCD/PRDY set by pxa2x0_pcic.c::pxapcic_attach_common() */ 410 #else 411 pxa2x0_gpio_set_function(11, GPIO_IN); /* PCD1 */ 412 pxa2x0_gpio_set_function(26, GPIO_IN); /* PRDY1/~IRQ1 */ 413 #endif 414 pxa2x0_gpio_set_function(bvd, GPIO_IN); /* BVD1/~STSCHG1 */ 415 416 for (gpio = 48, npoe_fn = 0; gpio <= 53 ; gpio++) 417 npoe_fn |= pxa2x0_gpio_get_function(gpio); 418 npoe_fn &= GPIO_SET; 419 420 pxa2x0_gpio_set_function(48, GPIO_ALT_FN_2_OUT | npoe_fn); /* nPOE */ 421 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 422 pxa2x0_gpio_set_function(50, GPIO_ALT_FN_2_OUT); /* nPIOR */ 423 pxa2x0_gpio_set_function(51, GPIO_ALT_FN_2_OUT); /* nPIOW */ 424 if (CPU_IS_PXA250) { 425 pxa2x0_gpio_set_function(52, GPIO_ALT_FN_2_OUT); /* nPCE1 */ 426 pxa2x0_gpio_set_function(53, GPIO_ALT_FN_2_OUT); /* nPCE2 */ 427 pxa2x0_gpio_set_function(54, GPIO_ALT_FN_2_OUT); /* pSKTSEL */ 428 } else { 429 pxa2x0_gpio_set_function(102, GPIO_ALT_FN_1_OUT); /* nPCE1 */ 430 pxa2x0_gpio_set_function(105, GPIO_ALT_FN_1_OUT); /* nPCE2 */ 431 pxa2x0_gpio_set_function(79, GPIO_ALT_FN_1_OUT); /* pSKTSEL */ 432 } 433 pxa2x0_gpio_set_function(55, GPIO_ALT_FN_2_OUT); /* nPREG */ 434 pxa2x0_gpio_set_function(56, GPIO_ALT_FN_1_IN); /* nPWAIT */ 435 pxa2x0_gpio_set_function(57, GPIO_ALT_FN_1_IN); /* nIOIS16 */ 436 } 437 438 static void 439 etherstix_config(void) 440 { 441 extern struct cfdata cfdata[]; 442 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 443 int rst = (CPU_IS_PXA250) ? 80 : 32; 444 int irq = (CPU_IS_PXA250) ? 36 : 99; 445 #else 446 #if defined(CPU_XSCALE_PXA270) 447 const int rst = 32, irq = 99; 448 #else 449 const int rst = 80, irq = 36; 450 #endif 451 #endif 452 int i; 453 454 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 455 pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT); /* nCS 1 */ 456 pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_SET); /* RESET 1 */ 457 delay(1); 458 pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_CLR); 459 delay(50000); 460 461 for (i = 0; cfdata[i].cf_name != NULL; i++) 462 if (strcmp(cfdata[i].cf_name, "sm") == 0 && 463 strcmp(cfdata[i].cf_atname, "sm_gxio") == 0 && 464 cfdata[i].cf_loc[GXIOCF_ADDR] == 0x04000300 && 465 cfdata[i].cf_loc[GXIOCF_GPIRQ] == GXIOCF_GPIRQ_DEFAULT) 466 cfdata[i].cf_loc[GXIOCF_GPIRQ] = irq; 467 } 468 469 static void 470 netcf_config(void) 471 { 472 473 etherstix_config(); 474 cfstix_config(); 475 } 476 477 static void 478 netcf_vx_config(void) 479 { 480 481 /* 482 * XXXX: More power is necessary for NIC and USB??? 483 * (no document. from Linux) 484 */ 485 486 pxa2x0_gpio_set_function(27, GPIO_IN); 487 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR); 488 pxa2x0_gpio_set_function(118, GPIO_ALT_FN_1_IN | GPIO_CLR); 489 490 etherstix_config(); 491 cfstix_config(); 492 if (CPU_IS_PXA270) { 493 /* Overwrite */ 494 gxpcic_slot_irqs[0].cd = 104; 495 gxpcic_slot_irqs[0].prdy = 109; 496 gxpcic_gpio_reset = 110; 497 }; 498 } 499 500 static void 501 netduommc_config(void) 502 { 503 504 netduo_config(); 505 basix_config(); 506 } 507 508 static void 509 netduo_config(void) 510 { 511 512 etherstix_config(); 513 514 pxa2x0_gpio_set_function(78, GPIO_ALT_FN_2_OUT); /* nCS 2 */ 515 pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_SET); /* RESET 2 */ 516 delay(1); 517 pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_CLR); 518 delay(50000); 519 } 520 521 static void 522 netmicrosd_config(void) 523 { 524 525 /* MicroSD(mci) always configure on PXA270 */ 526 527 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 528 pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT); /* nCS 1 */ 529 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR); /* RESET 1 */ 530 delay(hz / 2); 531 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_SET); 532 delay(50000); 533 } 534 535 static void 536 netwifimicrosd_config(void) 537 { 538 539 netmicrosd_config(); 540 541 cfstix_config(); 542 /* However use pxamci. */ 543 pxa2x0_gpio_set_function(111, GPIO_CLR | GPIO_ALT_FN_1_IN); 544 /* Power to Marvell 88W8385 */ 545 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 546 } 547 548 static void 549 netmmc_config(void) 550 { 551 552 etherstix_config(); 553 basix_config(); 554 } 555 556 static void 557 wifistix_config(void) 558 { 559 560 cfstix_config(); 561 562 /* Power to Marvell 88W8385 */ 563 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 564 } 565 566 static void 567 wifistix_cf_config(void) 568 { 569 570 gxpcic_slot_irqs[1].valid = 1; 571 gxpcic_slot_irqs[1].cd = 36; 572 gxpcic_slot_irqs[1].prdy = 27; 573 574 #if 1 575 /* this configuration set by pxa2x0_pcic.c::pxapcic_attach_common() */ 576 #else 577 pxa2x0_gpio_set_function(36, GPIO_IN); /* PCD2 */ 578 pxa2x0_gpio_set_function(27, GPIO_IN); /* PRDY2/~IRQ2 */ 579 #endif 580 pxa2x0_gpio_set_function(18, GPIO_IN); /* BVD2/~STSCHG2 */ 581 582 cfstix_config(); 583 584 /* Power to Marvell 88W8385 */ 585 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 586 } 587 588 #elif defined(OVERO) 589 590 static void 591 eth0_config(void) 592 { 593 extern struct cfdata cfdata[]; 594 cfdata_t cf = &cfdata[0]; 595 596 /* 597 * ETH0 connects via CS5. It use GPIO 176 for IRQ. 598 */ 599 600 while (cf->cf_name != NULL) { 601 if (strcmp(cf->cf_name, "smsh") == 0 && 602 cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 176) 603 break; 604 cf++; 605 } 606 if (cf->cf_name == NULL || 607 cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT) 608 return; 609 610 ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_5, 611 GPMC_CONFIG7_CSVALID | 612 GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR])); 613 614 /* 615 * Maybe need NRESET and delay(9). 616 * However delay(9) needs to attach mputmr. 617 */ 618 } 619 620 static void 621 eth1_config(void) 622 { 623 extern struct cfdata cfdata[]; 624 cfdata_t cf = &cfdata[0]; 625 626 /* 627 * ETH1 connects via CS4. It use GPIO 65 for IRQ. 628 */ 629 630 while (cf->cf_name != NULL) { 631 if (strcmp(cf->cf_name, "smsh") == 0 && 632 cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 65) 633 break; 634 cf++; 635 } 636 if (cf->cf_name == NULL || 637 cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT) 638 return; 639 640 ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_4, 641 GPMC_CONFIG7_CSVALID | 642 GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR])); 643 644 /* ETH1 is sure to be reset with ETH0. */ 645 } 646 647 static void 648 chestnut_config(void) 649 { 650 651 eth0_config(); 652 } 653 654 static void 655 tobi_config(void) 656 { 657 658 eth0_config(); 659 } 660 661 static void 662 tobiduo_config(void) 663 { 664 665 eth0_config(); 666 eth1_config(); 667 } 668 #endif 669
Indexes created Mon Oct 27 08:10:08 GMT 2025