1 /* $NetBSD: gumstix_machdep.c,v 1.75 2023/10/12 11:33:37 skrll 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 /* 34 * Copyright (c) 2002, 2003, 2004, 2005 Genetec Corporation. 35 * All rights reserved. 36 * 37 * Written by Hiroyuki Bessho for Genetec Corporation. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. The name of Genetec Corporation may not be used to endorse or 48 * promote products derived from this software without specific prior 49 * written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 53 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 54 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 55 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 56 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 57 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 58 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 59 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 61 * POSSIBILITY OF SUCH DAMAGE. 62 * 63 * Machine dependent functions for kernel setup for Genetec G4250EBX 64 * evaluation board. 65 * 66 * Based on iq80310_machhdep.c 67 */ 68 /* 69 * Copyright (c) 2001 Wasabi Systems, Inc. 70 * All rights reserved. 71 * 72 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 77 * 1. Redistributions of source code must retain the above copyright 78 * notice, this list of conditions and the following disclaimer. 79 * 2. Redistributions in binary form must reproduce the above copyright 80 * notice, this list of conditions and the following disclaimer in the 81 * documentation and/or other materials provided with the distribution. 82 * 3. All advertising materials mentioning features or use of this software 83 * must display the following acknowledgement: 84 * This product includes software developed for the NetBSD Project by 85 * Wasabi Systems, Inc. 86 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 87 * or promote products derived from this software without specific prior 88 * written permission. 89 * 90 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 91 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 92 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 93 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 94 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 95 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 96 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 97 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 98 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 99 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 100 * POSSIBILITY OF SUCH DAMAGE. 101 */ 102 103 /* 104 * Copyright (c) 1997,1998 Mark Brinicombe. 105 * Copyright (c) 1997,1998 Causality Limited. 106 * All rights reserved. 107 * 108 * Redistribution and use in source and binary forms, with or without 109 * modification, are permitted provided that the following conditions 110 * are met: 111 * 1. Redistributions of source code must retain the above copyright 112 * notice, this list of conditions and the following disclaimer. 113 * 2. Redistributions in binary form must reproduce the above copyright 114 * notice, this list of conditions and the following disclaimer in the 115 * documentation and/or other materials provided with the distribution. 116 * 3. All advertising materials mentioning features or use of this software 117 * must display the following acknowledgement: 118 * This product includes software developed by Mark Brinicombe 119 * for the NetBSD Project. 120 * 4. The name of the company nor the name of the author may be used to 121 * endorse or promote products derived from this software without specific 122 * prior written permission. 123 * 124 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 125 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 126 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 127 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 128 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 129 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 130 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 131 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 132 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 133 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 134 * SUCH DAMAGE. 135 * 136 * Machine dependent functions for kernel setup for Intel IQ80310 evaluation 137 * boards using RedBoot firmware. 138 */ 139 140 #include "opt_arm_debug.h" 141 #include "opt_com.h" 142 #include "opt_console.h" 143 #include "opt_cputypes.h" 144 #include "opt_evbarm_boardtype.h" 145 #include "opt_gumstix.h" 146 #include "opt_kgdb.h" 147 148 #include <sys/param.h> 149 #include <sys/conf.h> 150 #include <sys/device.h> 151 #include <sys/exec.h> 152 #include <sys/kernel.h> 153 #include <sys/proc.h> 154 #include <sys/reboot.h> 155 #include <sys/systm.h> 156 #include <sys/termios.h> 157 #include <sys/bus.h> 158 #include <sys/cpu.h> 159 #include <sys/gpio.h> 160 161 #include <prop/proplib.h> 162 163 #include <uvm/uvm_extern.h> 164 165 #include <arm/mainbus/mainbus.h> /* don't reorder */ 166 167 #include <machine/autoconf.h> /* don't reorder */ 168 #include <machine/bootconfig.h> 169 #include <arm/locore.h> 170 171 #include <arm/arm32/machdep.h> 172 173 #include <arm/xscale/pxa2x0reg.h> 174 #include <arm/xscale/pxa2x0var.h> 175 #include <arm/xscale/pxa2x0_gpio.h> 176 #include <evbarm/gumstix/gumstixreg.h> 177 #include <evbarm/gumstix/gumstixvar.h> 178 179 #include <dev/cons.h> 180 181 #ifdef KGDB 182 #include <sys/kgdb.h> 183 #endif 184 185 #ifdef VERBOSE_INIT_ARM 186 #define VPRINTF(...) printf(__VA_ARGS__) 187 #else 188 #define VPRINTF(...) __nothing 189 #endif 190 191 /* 192 * The range 0xc1000000 - 0xfd000000 is available for kernel VM space 193 * Core-logic registers and I/O mappings occupy 194 * 195 * 0xfd000000 - 0xfd800000 on gumstix 196 */ 197 #ifndef KERNEL_VM_BASE 198 #define KERNEL_VM_BASE 0xc8000000 199 #endif 200 #define KERNEL_VM_SIZE 0x35000000 201 202 BootConfig bootconfig; /* Boot config storage */ 203 static char bootargs[MAX_BOOT_STRING]; 204 const size_t bootargs_len = sizeof(bootargs) - 1; /* without nul */ 205 char *boot_args = NULL; 206 207 uint32_t system_serial_high; 208 uint32_t system_serial_low; 209 210 /* Prototypes */ 211 #if defined(GUMSTIX) 212 static void read_system_serial(void); 213 #endif 214 static void process_kernel_args(int, char *[]); 215 static void process_kernel_args_liner(char *); 216 #ifdef KGDB 217 static void kgdb_port_init(void); 218 #endif 219 static void gumstix_device_register(device_t, void *); 220 221 bs_protos(bs_notimpl); 222 223 #include "com.h" 224 #if NCOM > 0 225 #include <dev/ic/comreg.h> 226 #include <dev/ic/comvar.h> 227 #endif 228 229 #if defined(CPU_XSCALE) 230 #include "lcd.h" 231 #endif 232 233 #ifndef CONSPEED 234 #define CONSPEED B115200 /* It's a setting of the default of u-boot */ 235 #endif 236 #ifndef CONMODE 237 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 238 #endif 239 240 int comcnspeed = CONSPEED; 241 int comcnmode = CONMODE; 242 243 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 244 static char console[16]; 245 #endif 246 247 const struct tifb_panel_info *tifb_panel_info = NULL; 248 /* Use TPS65217 White LED Driver */ 249 bool use_tps65217_wled = false; 250 251 extern void gxio_config(void); 252 extern void gxio_config_expansion(char *); 253 254 255 static inline pd_entry_t * 256 read_ttb(void) 257 { 258 long ttb; 259 260 __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb)); 261 262 return (pd_entry_t *)(ttb & ~((1<<14)-1)); 263 } 264 265 /* 266 * Static device mappings. These peripheral registers are mapped at 267 * fixed virtual addresses very early in initarm() so that we can use 268 * them while booting the kernel, and stay at the same address 269 * throughout whole kernel's life time. 270 * 271 * We use this table twice; once with bootstrap page table, and once 272 * with kernel's page table which we build up in initarm(). 273 * 274 * Since we map these registers into the bootstrap page table using 275 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 276 * registers segment-aligned and segment-rounded in order to avoid 277 * using the 2nd page tables. 278 */ 279 280 static const struct pmap_devmap gumstix_devmap[] = { 281 #if defined(GUMSTIX) 282 DEVMAP_ENTRY( 283 GUMSTIX_GPIO_VBASE, 284 PXA2X0_GPIO_BASE, 285 PXA250_GPIO_SIZE 286 ), 287 DEVMAP_ENTRY( 288 GUMSTIX_CLKMAN_VBASE, 289 PXA2X0_CLKMAN_BASE, 290 PXA2X0_CLKMAN_SIZE 291 ), 292 DEVMAP_ENTRY( 293 GUMSTIX_INTCTL_VBASE, 294 PXA2X0_INTCTL_BASE, 295 PXA2X0_INTCTL_SIZE 296 ), 297 DEVMAP_ENTRY( 298 GUMSTIX_FFUART_VBASE, 299 PXA2X0_FFUART_BASE, 300 4 * COM_NPORTS 301 ), 302 DEVMAP_ENTRY( 303 GUMSTIX_STUART_VBASE, 304 PXA2X0_STUART_BASE, 305 4 * COM_NPORTS 306 ), 307 DEVMAP_ENTRY( 308 GUMSTIX_BTUART_VBASE, 309 PXA2X0_BTUART_BASE, 310 4 * COM_NPORTS 311 ), 312 DEVMAP_ENTRY( 313 GUMSTIX_HWUART_VBASE, 314 PXA2X0_HWUART_BASE, 315 4 * COM_NPORTS 316 ), 317 DEVMAP_ENTRY( 318 GUMSTIX_LCDC_VBASE, 319 PXA2X0_LCDC_BASE, 320 4 * COM_NPORTS 321 ), 322 #endif 323 DEVMAP_ENTRY_END 324 }; 325 326 extern uint32_t *uboot_args; 327 328 /* 329 * vaddr_t initarm(...) 330 * 331 * Initial entry point on startup. This gets called before main() is 332 * entered. 333 * It should be responsible for setting up everything that must be 334 * in place when main is called. 335 * This includes 336 * Taking a copy of the boot configuration structure. 337 * Initialising the physical console so characters can be printed. 338 * Setting up page tables for the kernel 339 * Relocating the kernel to the bottom of physical memory 340 */ 341 vaddr_t 342 initarm(void *arg) 343 { 344 extern char KERNEL_BASE_phys[]; 345 uint32_t ram_size = 0x400000; 346 enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */ 347 348 #if defined(CPU_XSCALE) 349 350 /* 351 * We mapped PA == VA in gumstix_start.S. 352 * Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable. 353 * 354 * Gumstix (basix, connex, verdex, verdex-pro): 355 * Physical Address Range Description 356 * ----------------------- ---------------------------------- 357 * 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB) 358 * 0x40000000 - 0x480fffff Processor Registers 359 * 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB) 360 * 0xc0000000 - 0xc3ffffff KERNEL_BASE 361 */ 362 xscale_cache_clean_addr = 0xff000000U; 363 364 cpu_reset_address = NULL; 365 #endif 366 367 /* 368 * Heads up ... Setup the CPU / MMU / TLB functions 369 */ 370 if (set_cpufuncs()) 371 panic("cpu not recognized!"); 372 373 /* map some peripheral registers at static I/O area */ 374 pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap); 375 376 #if defined(CPU_XSCALE) 377 /* start 32.768kHz OSC */ 378 ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON); 379 380 /* Get ready for splfoo() */ 381 pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE); 382 383 /* setup GPIO for {FF,ST,HW}UART. */ 384 pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE); 385 386 pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE); 387 #endif 388 389 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 390 391 /* configure MUX, GPIO and CLK. */ 392 gxio_config(); 393 394 #ifndef GUMSTIX_NETBSD_ARGS_CONSOLE 395 consinit(); 396 #endif 397 #ifdef KGDB 398 kgdb_port_init(); 399 #endif 400 401 /* 402 * Examine the boot args string for options we need to know about 403 * now. 404 */ 405 #if defined(GUMSTIX) 406 #define SDRAM_START 0xa0000000UL 407 #endif 408 if (uboot_args[r0] < SDRAM_START || 409 uboot_args[r0] >= SDRAM_START + ram_size) 410 /* Maybe r0 is 'argc'. We are booted by command 'go'. */ 411 process_kernel_args(uboot_args[r0], (char **)uboot_args[r1]); 412 else 413 /* 414 * Maybe r3 is 'boot args string' of 'bootm'. This string is 415 * linely. 416 */ 417 process_kernel_args_liner((char *)uboot_args[r3]); 418 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 419 consinit(); 420 #endif 421 422 /* Talk to the user */ 423 #define BDSTR(s) _BDSTR(s) 424 #define _BDSTR(s) #s 425 printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n"); 426 427 /* Read system serial */ 428 #if defined(GUMSTIX) 429 read_system_serial(); 430 #endif 431 432 VPRINTF("initarm: Configuring system ...\n"); 433 434 /* Fake bootconfig structure for the benefit of pmap.c */ 435 /* XXX must make the memory description h/w independent */ 436 bootconfig.dramblocks = 1; 437 bootconfig.dram[0].address = SDRAM_START; 438 bootconfig.dram[0].pages = ram_size / PAGE_SIZE; 439 440 KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE); 441 442 arm32_bootmem_init(bootconfig.dram[0].address, ram_size, 443 (uintptr_t) KERNEL_BASE_phys); 444 arm32_kernel_vm_init(KERNEL_VM_BASE, 445 #if defined(CPU_XSCALE) 446 ARM_VECTORS_LOW, 447 #endif 448 0, gumstix_devmap, true); 449 450 evbarm_device_register = gumstix_device_register; 451 452 return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0); 453 } 454 455 #if defined(GUMSTIX) 456 static void 457 read_system_serial(void) 458 { 459 #define GUMSTIX_SYSTEM_SERIAL_ADDR 0 460 #define GUMSTIX_SYSTEM_SERIAL_SIZE 8 461 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 462 #define FLASH_OFFSET_USER_PROTECTION 0x85 463 #define FLASH_CMD_READ_ID 0x90 464 #define FLASH_CMD_RESET 0xff 465 int i; 466 char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src; 467 char x; 468 469 /* 470 * XXXGCC12. 471 * This accesses beyond what "char *src" is known to supply. 472 */ 473 #pragma GCC push_options 474 #pragma GCC diagnostic ignored "-Warray-bounds" 475 476 src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/); 477 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 478 memcpy(system_serial, 479 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 480 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 481 482 for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++) 483 x &= system_serial[i]; 484 if (x == 0xff) { 485 src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/); 486 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 487 memcpy(system_serial, 488 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 489 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 490 491 /* 492 * XXXX: Don't need ??? 493 * gumstix_serial_hash(system_serial); 494 */ 495 } 496 #pragma GCC pop_options 497 system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 | 498 system_serial[2] << 8 | system_serial[3]; 499 system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 | 500 system_serial[6] << 8 | system_serial[7]; 501 502 printf("system serial: 0x"); 503 for (i = 0; i < sizeof (system_serial); i++) 504 printf("%02x", system_serial[i]); 505 printf("\n"); 506 } 507 #endif 508 509 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 510 static const char busheader_name[] = "busheader="; 511 #endif 512 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 513 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 514 static const char expansion_name[] = "expansion="; 515 #endif 516 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 517 static const char console_name[] = "console="; 518 #endif 519 static void 520 process_kernel_args(int argc, char *argv[]) 521 { 522 int gxio_configured = 0, i, j; 523 524 boothowto = 0; 525 526 for (i = 1, j = 0; i < argc; i++) { 527 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 528 if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) { 529 /* Configure for GPIOs of busheader side */ 530 gxio_config_expansion(argv[i] + strlen(busheader_name)); 531 gxio_configured = 1; 532 continue; 533 } 534 #endif 535 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 536 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 537 if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) { 538 /* Configure expansion */ 539 gxio_config_expansion(argv[i] + strlen(expansion_name)); 540 gxio_configured = 1; 541 continue; 542 } 543 #endif 544 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 545 if (!strncmp(argv[i], console_name, strlen(console_name))) { 546 strncpy(console, argv[i] + strlen(console_name), 547 sizeof(console)); 548 consinit(); 549 } 550 #endif 551 if (j == bootargs_len) { 552 *(bootargs + j) = '\0'; 553 continue; 554 } 555 if (j != 0) 556 *(bootargs + j++) = ' '; 557 strncpy(bootargs + j, argv[i], bootargs_len - j); 558 bootargs[bootargs_len] = '\0'; 559 j += strlen(argv[i]); 560 } 561 boot_args = bootargs; 562 563 parse_mi_bootargs(boot_args); 564 565 if (!gxio_configured) 566 gxio_config_expansion(NULL); 567 } 568 569 static void 570 process_kernel_args_liner(char *args) 571 { 572 int i = 0; 573 char *p = NULL; 574 575 boothowto = 0; 576 577 strncpy(bootargs, args, sizeof(bootargs)); 578 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 579 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 580 { 581 char *q; 582 583 if ((p = strstr(bootargs, expansion_name))) 584 q = p + strlen(expansion_name); 585 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 586 else if ((p = strstr(bootargs, busheader_name))) 587 q = p + strlen(busheader_name); 588 #endif 589 if (p) { 590 char expansion[256], c; 591 592 i = 0; 593 do { 594 c = *(q + i); 595 if (c == ' ') 596 c = '\0'; 597 expansion[i++] = c; 598 } while (c != '\0' && i < sizeof(expansion)); 599 gxio_config_expansion(expansion); 600 strcpy(p, q + i); 601 } 602 } 603 #endif 604 if (p == NULL) 605 gxio_config_expansion(NULL); 606 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 607 p = strstr(bootargs, console_name); 608 if (p != NULL) { 609 char c; 610 611 i = 0; 612 do { 613 c = *(p + strlen(console_name) + i); 614 if (c == ' ') 615 c = '\0'; 616 console[i++] = c; 617 } while (c != '\0' && i < sizeof(console)); 618 consinit(); 619 strcpy(p, p + strlen(console_name) + i); 620 } 621 #endif 622 boot_args = bootargs; 623 624 parse_mi_bootargs(boot_args); 625 } 626 627 #ifdef KGDB 628 #ifndef KGDB_DEVNAME 629 #define KGDB_DEVNAME "ffuart" 630 #endif 631 const char kgdb_devname[] = KGDB_DEVNAME; 632 633 #ifndef KGDB_DEVRATE 634 #define KGDB_DEVRATE CONSPEED 635 #endif 636 int kgdb_devrate = KGDB_DEVRATE; 637 638 #if (NCOM > 0) 639 #ifndef KGDB_DEVMODE 640 #define KGDB_DEVMODE CONMODE 641 #endif 642 int comkgdbmode = KGDB_DEVMODE; 643 #endif /* NCOM */ 644 645 #endif /* KGDB */ 646 647 648 void 649 consinit(void) 650 { 651 static int consinit_called = 0; 652 653 if (consinit_called != 0) 654 return; 655 656 consinit_called = 1; 657 658 #if NCOM > 0 659 660 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 661 /* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */ 662 if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') { 663 int i; 664 665 comcnspeed = 0; 666 for (i = 6; i < strlen(console) && isdigit(console[i]); i++) 667 comcnspeed = comcnspeed * 10 + (console[i] - '0'); 668 } 669 #endif 670 671 #if defined(GUMSTIX) 672 673 #ifdef FFUARTCONSOLE 674 #ifdef KGDB 675 if (strcmp(kgdb_devname, "ffuart") == 0){ 676 /* port is reserved for kgdb */ 677 } else 678 #endif 679 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 680 if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 || 681 strncmp(console, "ttyS0,", 6) == 0) 682 #endif 683 { 684 int rv; 685 686 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE, 687 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 688 if (rv == 0) { 689 pxa2x0_clkman_config(CKEN_FFUART, 1); 690 return; 691 } 692 } 693 #endif /* FFUARTCONSOLE */ 694 695 #ifdef STUARTCONSOLE 696 #ifdef KGDB 697 if (strcmp(kgdb_devname, "stuart") == 0) { 698 /* port is reserved for kgdb */ 699 } else 700 #endif 701 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 702 if (console[0] == '\0' || strcasecmp(console, "stuart") == 0) 703 #endif 704 { 705 int rv; 706 707 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE, 708 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 709 if (rv == 0) { 710 pxa2x0_clkman_config(CKEN_STUART, 1); 711 return; 712 } 713 } 714 #endif /* STUARTCONSOLE */ 715 716 #ifdef BTUARTCONSOLE 717 #ifdef KGDB 718 if (strcmp(kgdb_devname, "btuart") == 0) { 719 /* port is reserved for kgdb */ 720 } else 721 #endif 722 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 723 if (console[0] == '\0' || strcasecmp(console, "btuart") == 0) 724 #endif 725 { 726 int rv; 727 728 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE, 729 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 730 if (rv == 0) { 731 pxa2x0_clkman_config(CKEN_BTUART, 1); 732 return; 733 } 734 } 735 #endif /* BTUARTCONSOLE */ 736 737 #ifdef HWUARTCONSOLE 738 #ifdef KGDB 739 if (strcmp(kgdb_devname, "hwuart") == 0) { 740 /* port is reserved for kgdb */ 741 } else 742 #endif 743 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 744 if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0) 745 #endif 746 { 747 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE, 748 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 749 if (rv == 0) { 750 pxa2x0_clkman_config(CKEN_HWUART, 1); 751 return; 752 } 753 } 754 #endif /* HWUARTCONSOLE */ 755 756 #endif /* GUMSTIX */ 757 758 #endif /* NCOM */ 759 760 #if NLCD > 0 761 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 762 if (console[0] == '\0' || strcasecmp(console, "lcd") == 0) 763 #endif 764 { 765 gxlcd_cnattach(); 766 } 767 #endif 768 } 769 770 #ifdef KGDB 771 static void 772 kgdb_port_init(void) 773 { 774 #if (NCOM > 0) && defined(COM_PXA2X0) 775 paddr_t paddr = 0; 776 int cken = 0; 777 778 if (0 == strcmp(kgdb_devname, "ffuart")) { 779 paddr = PXA2X0_FFUART_BASE; 780 cken = CKEN_FFUART; 781 } else if (0 == strcmp(kgdb_devname, "stuart")) { 782 paddr = PXA2X0_STUART_BASE; 783 cken = CKEN_STUART; 784 } else if (0 == strcmp(kgdb_devname, "btuart")) { 785 paddr = PXA2X0_BTUART_BASE; 786 cken = CKEN_BTUART; 787 } else if (0 == strcmp(kgdb_devname, "hwuart")) { 788 paddr = PXA2X0_HWUART_BASE; 789 cken = CKEN_HWUART; 790 } 791 792 if (paddr && 793 0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr, 794 kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) { 795 796 pxa2x0_clkman_config(cken, 1); 797 } 798 799 #endif 800 } 801 #endif 802 803 static void 804 gumstix_device_register(device_t dev, void *aux) 805 { 806 prop_dictionary_t dict = device_properties(dev); 807 808 if (device_is_a(dev, "ehci")) { 809 prop_dictionary_set_uint16(dict, "dpll5-m", 443); 810 prop_dictionary_set_uint16(dict, "dpll5-n", 11); 811 prop_dictionary_set_uint16(dict, "dpll5-m2", 4); 812 } 813 if (device_is_a(dev, "ohci")) { 814 if (prop_dictionary_set_bool(dict, 815 "Ganged-power-mask-on-port1", 1) == false) { 816 printf("WARNING: unable to set power-mask for port1" 817 " property for %s\n", device_xname(dev)); 818 } 819 if (prop_dictionary_set_bool(dict, 820 "Ganged-power-mask-on-port2", 1) == false) { 821 printf("WARNING: unable to set power-mask for port2" 822 " property for %s\n", device_xname(dev)); 823 } 824 if (prop_dictionary_set_bool(dict, 825 "Ganged-power-mask-on-port3", 1) == false) { 826 printf("WARNING: unable to set power-mask for port3" 827 " property for %s\n", device_xname(dev)); 828 } 829 } 830 } 831
Indexes created Wed Sep 24 05:09:52 GMT 2025