gxio.c revision 1.19
1 /* $NetBSD: gxio.c,v 1.19 2012/12/12 19:47:44 matt 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 1.19 2012/12/12 19:47:44 matt 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 #if defined(OVERO) 53 #include <arm/omap/omap2_gpmcreg.h> 54 #include <arm/omap/omap2_reg.h> 55 #if defined(OMAP3530) 56 #include <arm/omap/omap2_intr.h> 57 #endif 58 #include <arm/omap/omap_var.h> 59 #endif 60 #if defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250) 61 #include <arm/xscale/pxa2x0cpu.h> 62 #endif 63 #include <arm/xscale/pxa2x0reg.h> 64 #include <arm/xscale/pxa2x0var.h> 65 #include <arm/xscale/pxa2x0_gpio.h> 66 #include <evbarm/gumstix/gumstixreg.h> 67 #include <evbarm/gumstix/gumstixvar.h> 68 69 #include "ioconf.h" 70 #include "locators.h" 71 72 73 struct gxioconf { 74 const char *name; 75 void (*config)(void); 76 }; 77 78 #if defined(GUMSTIX) 79 static int gxiomatch(device_t, cfdata_t, void *); 80 static void gxioattach(device_t, device_t, void *); 81 static int gxiosearch(device_t, cfdata_t, const int *, void *); 82 static int gxioprint(void *, const char *); 83 84 CFATTACH_DECL_NEW(gxio, sizeof(struct gxio_softc), 85 gxiomatch, gxioattach, NULL, NULL); 86 #endif 87 88 void gxio_config_pin(void); 89 void gxio_config_expansion(char *); 90 static void gxio_config_gpio(const struct gxioconf *, char *); 91 #if defined(GUMSTIX) 92 static void basix_config(void); 93 static void cfstix_config(void); 94 static void etherstix_config(void); 95 static void netcf_config(void); 96 static void netcf_vx_config(void); 97 static void netduommc_config(void); 98 static void netduo_config(void); 99 static void netmicrosd_config(void); 100 static void netwifimicrosd_config(void); 101 static void netmmc_config(void); 102 static void wifistix_config(void); 103 static void wifistix_cf_config(void); 104 #elif defined(OVERO) 105 static void eth0_config(void); 106 static void eth1_config(void); 107 static void chestnut_config(void); 108 static void tobi_config(void); 109 static void tobiduo_config(void); 110 #endif 111 112 #if defined(CPU_XSCALE_PXA250) 113 static struct pxa2x0_gpioconf pxa255dep_gpioconf[] = { 114 /* Bluetooth module configuration */ 115 { 7, GPIO_OUT | GPIO_SET }, /* power on */ 116 { 12, GPIO_ALT_FN_1_OUT }, /* 32kHz out. required by SingleStone */ 117 118 /* AC97 configuration */ 119 { 29, GPIO_ALT_FN_1_IN }, /* SDATA_IN0 */ 120 121 /* FFUART configuration */ 122 { 35, GPIO_ALT_FN_1_IN }, /* CTS */ 123 { 41, GPIO_ALT_FN_2_OUT }, /* RTS */ 124 125 #ifndef GXIO_BLUETOOTH_ON_HWUART 126 /* BTUART configuration */ 127 { 44, GPIO_ALT_FN_1_IN }, /* BTCTS */ 128 { 45, GPIO_ALT_FN_2_OUT }, /* BTRTS */ 129 #else 130 /* HWUART configuration */ 131 { 42, GPIO_ALT_FN_3_IN }, /* HWRXD */ 132 { 43, GPIO_ALT_FN_3_OUT }, /* HWTXD */ 133 { 44, GPIO_ALT_FN_3_IN }, /* HWCTS */ 134 { 45, GPIO_ALT_FN_3_OUT }, /* HWRTS */ 135 #endif 136 137 #ifndef GXIO_BLUETOOTH_ON_HWUART 138 /* HWUART configuration */ 139 { 48, GPIO_ALT_FN_1_OUT }, /* HWTXD */ 140 { 49, GPIO_ALT_FN_1_IN }, /* HWRXD */ 141 { 50, GPIO_ALT_FN_1_IN }, /* HWCTS */ 142 { 51, GPIO_ALT_FN_1_OUT }, /* HWRTS */ 143 #endif 144 145 { -1 } 146 }; 147 #endif 148 #if defined(CPU_XSCALE_PXA270) 149 static struct pxa2x0_gpioconf verdexdep_gpioconf[] = { 150 /* Bluetooth module configuration */ 151 { 9, GPIO_ALT_FN_3_OUT }, /* CHOUT<0> */ 152 { 12, GPIO_OUT | GPIO_SET }, 153 154 /* LCD configuration */ 155 { 17, GPIO_IN }, /* backlight on */ 156 157 /* FFUART configuration */ 158 { 34, GPIO_ALT_FN_1_IN }, /* FFRXD */ 159 { 39, GPIO_ALT_FN_2_OUT }, /* FFTXD */ 160 161 /* BTUART configuration */ 162 { 42, GPIO_ALT_FN_1_IN }, /* BTRXD */ 163 { 43, GPIO_ALT_FN_2_OUT }, /* BTTXD */ 164 { 44, GPIO_ALT_FN_1_IN }, /* BTCTS */ 165 { 45, GPIO_ALT_FN_2_OUT }, /* BTRTS */ 166 167 /* AC97 configuration */ 168 { 29, GPIO_ALT_FN_1_IN }, /* SDATA_IN0 */ 169 170 { -1 } 171 }; 172 #endif 173 174 static const struct gxioconf busheader_conf[] = { 175 #if defined(GUMSTIX) 176 { "basix", basix_config }, 177 { "cfstix", cfstix_config }, 178 { "etherstix", etherstix_config }, 179 { "netcf", netcf_config }, 180 { "netcf-vx", netcf_vx_config }, 181 { "netduo-mmc", netduommc_config }, 182 { "netduo", netduo_config }, 183 { "netmicrosd", netmicrosd_config }, 184 { "netmicrosd-vx", netmicrosd_config }, 185 { "netwifimicrosd", netwifimicrosd_config }, 186 { "netmmc", netmmc_config }, 187 { "netpro-vx", netwifimicrosd_config }, 188 { "wifistix-cf", wifistix_cf_config }, 189 { "wifistix", wifistix_config }, 190 #elif defined(OVERO) 191 { "chestnut43", chestnut_config }, 192 { "tobi", tobi_config }, 193 { "tobi-duo", tobiduo_config }, 194 #endif 195 { NULL } 196 }; 197 198 int gxpcic_gpio_reset; 199 struct gxpcic_slot_irqs gxpcic_slot_irqs[2] = { { 0, -1, -1 }, { 0, -1, -1 } }; 200 201 202 #if defined(GUMSTIX) 203 /* ARGSUSED */ 204 static int 205 gxiomatch(device_t parent, cfdata_t match, void *aux) 206 { 207 208 struct pxaip_attach_args *pxa = aux; 209 bus_space_tag_t iot = &pxa2x0_bs_tag; 210 bus_space_handle_t ioh; 211 212 if (strcmp(pxa->pxa_name, match->cf_name) != 0 || 213 pxa->pxa_addr != PXAIPCF_ADDR_DEFAULT) 214 return 0; 215 216 if (bus_space_map(iot, 217 PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &ioh)) 218 return 0; 219 bus_space_unmap(iot, ioh, PXA2X0_MEMCTL_SIZE); 220 221 /* nothing */ 222 return 1; 223 } 224 225 /* ARGSUSED */ 226 static void 227 gxioattach(device_t parent, device_t self, void *aux) 228 { 229 struct gxio_softc *sc = device_private(self); 230 231 aprint_normal("\n"); 232 aprint_naive("\n"); 233 234 sc->sc_dev = self; 235 sc->sc_iot = &pxa2x0_bs_tag; 236 237 if (bus_space_map(sc->sc_iot, 238 PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &sc->sc_ioh)) 239 return; 240 241 /* 242 * Attach each gumstix(busheader)/overo expansion board devices. 243 */ 244 config_search_ia(gxiosearch, self, "gxio", NULL); 245 } 246 247 /* ARGSUSED */ 248 static int 249 gxiosearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 250 { 251 struct gxio_softc *sc = device_private(parent); 252 struct gxio_attach_args gxa; 253 254 gxa.gxa_sc = sc; 255 gxa.gxa_iot = sc->sc_iot; 256 gxa.gxa_addr = cf->cf_loc[GXIOCF_ADDR]; 257 gxa.gxa_gpirq = cf->cf_loc[GXIOCF_GPIRQ]; 258 259 if (config_match(parent, cf, &gxa)) 260 config_attach(parent, cf, &gxa, gxioprint); 261 262 return 0; 263 } 264 265 /* ARGSUSED */ 266 static int 267 gxioprint(void *aux, const char *name) 268 { 269 struct gxio_attach_args *gxa = (struct gxio_attach_args *)aux; 270 271 if (gxa->gxa_addr != GXIOCF_ADDR_DEFAULT) 272 printf(" addr 0x%lx", gxa->gxa_addr); 273 if (gxa->gxa_gpirq > 0) 274 printf(" gpirq %d", gxa->gxa_gpirq); 275 return UNCONF; 276 } 277 #endif 278 279 280 /* 281 * configure for GPIO pin and expansion boards. 282 */ 283 void 284 gxio_config_pin(void) 285 { 286 #if defined(CPU_XSCALE_PXA250) 287 struct pxa2x0_gpioconf *gumstix_gpioconf[] = { 288 pxa25x_com_ffuart_gpioconf, 289 pxa25x_com_stuart_gpioconf, 290 #ifndef GXIO_BLUETOOTH_ON_HWUART 291 pxa25x_com_btuart_gpioconf, 292 #endif 293 pxa25x_com_hwuart_gpioconf, 294 pxa25x_i2c_gpioconf, 295 pxa25x_pxaacu_gpioconf, 296 pxa255dep_gpioconf, 297 NULL 298 }; 299 #endif 300 #if defined(CPU_XSCALE_PXA270) 301 struct pxa2x0_gpioconf *verdex_gpioconf[] = { 302 pxa27x_com_ffuart_gpioconf, 303 pxa27x_com_stuart_gpioconf, 304 pxa27x_com_btuart_gpioconf, 305 pxa27x_i2c_gpioconf, 306 pxa27x_pxaacu_gpioconf, 307 pxa27x_pxamci_gpioconf, 308 pxa27x_ohci_gpioconf, 309 verdexdep_gpioconf, 310 NULL 311 }; 312 #endif 313 314 /* XXX: turn off for power of bluetooth module */ 315 #if defined(CPU_XSCALE_PXA250) 316 pxa2x0_gpio_set_function(7, GPIO_OUT | GPIO_CLR); 317 #elif defined(CPU_XSCALE_PXA270) 318 pxa2x0_gpio_set_function(12, GPIO_OUT | GPIO_CLR); 319 #endif 320 delay(100); 321 322 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 323 pxa2x0_gpio_config( 324 (CPU_IS_PXA250) ? gumstix_gpioconf : verdex_gpioconf); 325 #elif defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250) 326 #if defined(CPU_XSCALE_PXA270) 327 pxa2x0_gpio_config(verdex_gpioconf); 328 #else 329 pxa2x0_gpio_config(gumstix_gpioconf); 330 #endif 331 #endif 332 } 333 334 void 335 gxio_config_expansion(char *expansion) 336 { 337 338 if (expansion == NULL) { 339 printf("not specified 'expansion=' in the boot args.\n"); 340 #ifdef GXIO_DEFAULT_EXPANSION 341 printf("configure default expansion (%s)\n", 342 GXIO_DEFAULT_EXPANSION); 343 expansion = __UNCONST(GXIO_DEFAULT_EXPANSION); 344 #else 345 return; 346 #endif 347 } 348 gxio_config_gpio(busheader_conf, expansion); 349 } 350 351 static void 352 gxio_config_gpio(const struct gxioconf *gxioconflist, char *expansion) 353 { 354 int i, rv; 355 356 for (i = 0; i < strlen(expansion); i++) 357 expansion[i] = tolower(expansion[i]); 358 for (i = 0; gxioconflist[i].name != NULL; i++) { 359 rv = strncmp(expansion, gxioconflist[i].name, 360 strlen(gxioconflist[i].name) + 1); 361 if (rv == 0) { 362 gxioconflist[i].config(); 363 break; 364 } 365 } 366 } 367 368 369 #if defined(GUMSTIX) 370 371 static void 372 basix_config(void) 373 { 374 375 pxa2x0_gpio_set_function(8, GPIO_ALT_FN_1_OUT); /* MMCCS0 */ 376 pxa2x0_gpio_set_function(53, GPIO_ALT_FN_1_OUT); /* MMCCLK */ 377 #if 0 378 /* this configuration set by gxmci.c::pxamci_attach() */ 379 pxa2x0_gpio_set_function(11, GPIO_IN); /* nSD_DETECT */ 380 pxa2x0_gpio_set_function(22, GPIO_IN); /* nSD_WP */ 381 #endif 382 } 383 384 static void 385 cfstix_config(void) 386 { 387 u_int gpio, npoe_fn; 388 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 389 int bvd = (CPU_IS_PXA250) ? 4 : 111; 390 #else 391 #if defined(CPU_XSCALE_PXA270) 392 const int bvd = 111; 393 #else 394 const int bvd = 4; 395 #endif 396 #endif 397 398 if (CPU_IS_PXA250) { 399 gxpcic_slot_irqs[0].valid = 1; 400 gxpcic_slot_irqs[0].cd = 11; 401 gxpcic_slot_irqs[0].prdy = 26; 402 gxpcic_gpio_reset = 8; 403 } else { 404 gxpcic_slot_irqs[0].valid = 1; 405 gxpcic_slot_irqs[0].cd = 104; 406 gxpcic_slot_irqs[0].prdy = 96; 407 gxpcic_gpio_reset = 97; 408 } 409 410 #if 1 411 /* PCD/PRDY set by pxa2x0_pcic.c::pxapcic_attach_common() */ 412 #else 413 pxa2x0_gpio_set_function(11, GPIO_IN); /* PCD1 */ 414 pxa2x0_gpio_set_function(26, GPIO_IN); /* PRDY1/~IRQ1 */ 415 #endif 416 pxa2x0_gpio_set_function(bvd, GPIO_IN); /* BVD1/~STSCHG1 */ 417 418 for (gpio = 48, npoe_fn = 0; gpio <= 53 ; gpio++) 419 npoe_fn |= pxa2x0_gpio_get_function(gpio); 420 npoe_fn &= GPIO_SET; 421 422 pxa2x0_gpio_set_function(48, GPIO_ALT_FN_2_OUT | npoe_fn); /* nPOE */ 423 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 424 pxa2x0_gpio_set_function(50, GPIO_ALT_FN_2_OUT); /* nPIOR */ 425 pxa2x0_gpio_set_function(51, GPIO_ALT_FN_2_OUT); /* nPIOW */ 426 if (CPU_IS_PXA250) { 427 pxa2x0_gpio_set_function(52, GPIO_ALT_FN_2_OUT); /* nPCE1 */ 428 pxa2x0_gpio_set_function(53, GPIO_ALT_FN_2_OUT); /* nPCE2 */ 429 pxa2x0_gpio_set_function(54, GPIO_ALT_FN_2_OUT); /* pSKTSEL */ 430 } else { 431 pxa2x0_gpio_set_function(102, GPIO_ALT_FN_1_OUT); /* nPCE1 */ 432 pxa2x0_gpio_set_function(105, GPIO_ALT_FN_1_OUT); /* nPCE2 */ 433 pxa2x0_gpio_set_function(79, GPIO_ALT_FN_1_OUT); /* pSKTSEL */ 434 } 435 pxa2x0_gpio_set_function(55, GPIO_ALT_FN_2_OUT); /* nPREG */ 436 pxa2x0_gpio_set_function(56, GPIO_ALT_FN_1_IN); /* nPWAIT */ 437 pxa2x0_gpio_set_function(57, GPIO_ALT_FN_1_IN); /* nIOIS16 */ 438 } 439 440 static void 441 etherstix_config(void) 442 { 443 extern struct cfdata cfdata[]; 444 #if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250) 445 int rst = (CPU_IS_PXA250) ? 80 : 32; 446 int irq = (CPU_IS_PXA250) ? 36 : 99; 447 #else 448 #if defined(CPU_XSCALE_PXA270) 449 const int rst = 32, irq = 99; 450 #else 451 const int rst = 80, irq = 36; 452 #endif 453 #endif 454 int i; 455 456 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 457 pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT); /* nCS 1 */ 458 pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_SET); /* RESET 1 */ 459 delay(1); 460 pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_CLR); 461 delay(50000); 462 463 for (i = 0; cfdata[i].cf_name != NULL; i++) 464 if (strcmp(cfdata[i].cf_name, "sm") == 0 && 465 strcmp(cfdata[i].cf_atname, "sm_gxio") == 0 && 466 cfdata[i].cf_loc[GXIOCF_ADDR] == 0x04000300 && 467 cfdata[i].cf_loc[GXIOCF_GPIRQ] == GXIOCF_GPIRQ_DEFAULT) 468 cfdata[i].cf_loc[GXIOCF_GPIRQ] = irq; 469 } 470 471 static void 472 netcf_config(void) 473 { 474 475 etherstix_config(); 476 cfstix_config(); 477 } 478 479 static void 480 netcf_vx_config(void) 481 { 482 483 /* 484 * XXXX: More power is necessary for NIC and USB??? 485 * (no document. from Linux) 486 */ 487 488 pxa2x0_gpio_set_function(27, GPIO_IN); 489 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR); 490 pxa2x0_gpio_set_function(118, GPIO_ALT_FN_1_IN | GPIO_CLR); 491 492 etherstix_config(); 493 cfstix_config(); 494 if (CPU_IS_PXA270) { 495 /* Overwrite */ 496 gxpcic_slot_irqs[0].cd = 104; 497 gxpcic_slot_irqs[0].prdy = 109; 498 gxpcic_gpio_reset = 110; 499 }; 500 } 501 502 static void 503 netduommc_config(void) 504 { 505 506 netduo_config(); 507 basix_config(); 508 } 509 510 static void 511 netduo_config(void) 512 { 513 514 etherstix_config(); 515 516 pxa2x0_gpio_set_function(78, GPIO_ALT_FN_2_OUT); /* nCS 2 */ 517 pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_SET); /* RESET 2 */ 518 delay(1); 519 pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_CLR); 520 delay(50000); 521 } 522 523 static void 524 netmicrosd_config(void) 525 { 526 527 /* MicroSD(mci) always configure on PXA270 */ 528 529 pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT); /* nPWE */ 530 pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT); /* nCS 1 */ 531 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR); /* RESET 1 */ 532 delay(hz / 2); 533 pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_SET); 534 delay(50000); 535 } 536 537 static void 538 netwifimicrosd_config(void) 539 { 540 541 netmicrosd_config(); 542 543 cfstix_config(); 544 /* However use pxamci. */ 545 pxa2x0_gpio_set_function(111, GPIO_CLR | GPIO_ALT_FN_1_IN); 546 /* Power to Marvell 88W8385 */ 547 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 548 } 549 550 static void 551 netmmc_config(void) 552 { 553 554 etherstix_config(); 555 basix_config(); 556 } 557 558 static void 559 wifistix_config(void) 560 { 561 562 cfstix_config(); 563 564 /* Power to Marvell 88W8385 */ 565 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 566 } 567 568 static void 569 wifistix_cf_config(void) 570 { 571 572 gxpcic_slot_irqs[1].valid = 1; 573 gxpcic_slot_irqs[1].cd = 36; 574 gxpcic_slot_irqs[1].prdy = 27; 575 576 #if 1 577 /* this configuration set by pxa2x0_pcic.c::pxapcic_attach_common() */ 578 #else 579 pxa2x0_gpio_set_function(36, GPIO_IN); /* PCD2 */ 580 pxa2x0_gpio_set_function(27, GPIO_IN); /* PRDY2/~IRQ2 */ 581 #endif 582 pxa2x0_gpio_set_function(18, GPIO_IN); /* BVD2/~STSCHG2 */ 583 584 cfstix_config(); 585 586 /* Power to Marvell 88W8385 */ 587 pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET); 588 } 589 590 #elif defined(OVERO) 591 592 static void 593 eth0_config(void) 594 { 595 extern struct cfdata cfdata[]; 596 cfdata_t cf = &cfdata[0]; 597 598 /* 599 * ETH0 connects via CS5. It use GPIO 176 for IRQ. 600 */ 601 602 while (cf->cf_name != NULL) { 603 if (strcmp(cf->cf_name, "smsh") == 0 && 604 cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 176) 605 break; 606 cf++; 607 } 608 if (cf->cf_name == NULL || 609 cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT) 610 return; 611 612 ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_5, 613 GPMC_CONFIG7_CSVALID | 614 GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR])); 615 616 /* 617 * Maybe need NRESET and delay(9). 618 * However delay(9) needs to attach mputmr. 619 */ 620 } 621 622 static void 623 eth1_config(void) 624 { 625 extern struct cfdata cfdata[]; 626 cfdata_t cf = &cfdata[0]; 627 628 /* 629 * ETH1 connects via CS4. It use GPIO 65 for IRQ. 630 */ 631 632 while (cf->cf_name != NULL) { 633 if (strcmp(cf->cf_name, "smsh") == 0 && 634 cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 65) 635 break; 636 cf++; 637 } 638 if (cf->cf_name == NULL || 639 cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT) 640 return; 641 642 ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_4, 643 GPMC_CONFIG7_CSVALID | 644 GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR])); 645 646 /* ETH1 is sure to be reset with ETH0. */ 647 } 648 649 static void 650 chestnut_config(void) 651 { 652 653 eth0_config(); 654 } 655 656 static void 657 tobi_config(void) 658 { 659 660 eth0_config(); 661 } 662 663 static void 664 tobiduo_config(void) 665 { 666 667 eth0_config(); 668 eth1_config(); 669 } 670 #endif 671
Indexes created Tue Sep 30 07:10:03 GMT 2025