gumstix_machdep.c revision 1.24.2.2
1 /* $NetBSD: gumstix_machdep.c,v 1.24.2.2 2010/08/17 06:44:17 uebayasi 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 dependant 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 dependant functions for kernel setup for Intel IQ80310 evaluation 137 * boards using RedBoot firmware. 138 */ 139 140 #include "opt_evbarm_boardtype.h" 141 #include "opt_cputypes.h" 142 #include "opt_gumstix.h" 143 #include "opt_ddb.h" 144 #include "opt_kgdb.h" 145 #include "opt_pmap_debug.h" 146 #include "opt_md.h" 147 #include "opt_modular.h" 148 #include "opt_com.h" 149 #include "md.h" 150 151 #include <sys/param.h> 152 #include <sys/conf.h> 153 #include <sys/device.h> 154 #include <sys/exec.h> 155 #include <sys/kernel.h> 156 #include <sys/ksyms.h> 157 #include <sys/msgbuf.h> 158 #include <sys/proc.h> 159 #include <sys/reboot.h> 160 #include <sys/systm.h> 161 #include <sys/termios.h> 162 163 #include <machine/autoconf.h> 164 #include <machine/bootconfig.h> 165 #include <machine/bus.h> 166 #include <machine/cpu.h> 167 #include <machine/db_machdep.h> 168 #include <machine/frame.h> 169 170 #include <arm/arm32/machdep.h> 171 #include <arm/omap/omap2_reg.h> 172 #include <arm/omap/omap_var.h> 173 #include <arm/omap/omap_com.h> 174 #include <arm/undefined.h> 175 #include <arm/xscale/pxa2x0reg.h> 176 #include <arm/xscale/pxa2x0var.h> 177 #include <arm/xscale/pxa2x0_gpio.h> 178 #include <evbarm/gumstix/gumstixreg.h> 179 #include <evbarm/gumstix/gumstixvar.h> 180 181 #include <uvm/uvm_extern.h> 182 183 #include <dev/cons.h> 184 #include <dev/md.h> 185 186 #include <ddb/db_sym.h> 187 #include <ddb/db_extern.h> 188 #ifdef KGDB 189 #include <sys/kgdb.h> 190 #endif 191 192 /* Kernel text starts 2MB in from the bottom of the kernel address space. */ 193 #define KERNEL_TEXT_BASE (KERNEL_BASE + 0x00200000) 194 #ifndef KERNEL_VM_BASE 195 #define KERNEL_VM_BASE (KERNEL_BASE + 0x01000000) 196 #endif 197 198 /* 199 * The range 0xc1000000 - 0xccffffff is available for kernel VM space 200 * Core-logic registers and I/O mappings occupy 0xfd000000 - 0xffffffff 201 */ 202 #define KERNEL_VM_SIZE 0x0C000000 203 204 205 /* 206 * Address to call from cpu_reset() to reset the machine. 207 * This is machine architecture dependant as it varies depending 208 * on where the ROM appears when you turn the MMU off. 209 */ 210 211 u_int cpu_reset_address = 0; 212 213 /* Define various stack sizes in pages */ 214 #define IRQ_STACK_SIZE 1 215 #define ABT_STACK_SIZE 1 216 #define UND_STACK_SIZE 1 217 218 BootConfig bootconfig; /* Boot config storage */ 219 static char bootargs[MAX_BOOT_STRING]; 220 char *boot_args = NULL; 221 222 uint32_t system_serial_high; 223 uint32_t system_serial_low; 224 225 vm_offset_t physical_start; 226 vm_offset_t physical_freestart; 227 vm_offset_t physical_freeend; 228 vm_offset_t physical_end; 229 u_int free_pages; 230 231 /*int debug_flags;*/ 232 #ifndef PMAP_STATIC_L1S 233 int max_processes = 64; /* Default number */ 234 #endif /* !PMAP_STATIC_L1S */ 235 236 /* Physical and virtual addresses for some global pages */ 237 pv_addr_t irqstack; 238 pv_addr_t undstack; 239 pv_addr_t abtstack; 240 pv_addr_t kernelstack; 241 pv_addr_t minidataclean; 242 243 vm_offset_t msgbufphys; 244 245 extern u_int data_abort_handler_address; 246 extern u_int prefetch_abort_handler_address; 247 extern u_int undefined_handler_address; 248 249 #ifdef PMAP_DEBUG 250 extern int pmap_debug_level; 251 #endif 252 253 #define KERNEL_PT_SYS 0 /* Page table for mapping proc0 zero page */ 254 #define KERNEL_PT_KERNEL 1 /* Page table for mapping kernel */ 255 #define KERNEL_PT_KERNEL_NUM ((KERNEL_VM_BASE - KERNEL_BASE) >> 22) 256 #define KERNEL_PT_VMDATA (KERNEL_PT_KERNEL+KERNEL_PT_KERNEL_NUM) 257 /* Page tables for mapping kernel VM */ 258 #define KERNEL_PT_VMDATA_NUM 4 /* start with 16MB of KVM */ 259 #define NUM_KERNEL_PTS (KERNEL_PT_VMDATA + KERNEL_PT_VMDATA_NUM) 260 261 pv_addr_t kernel_pt_table[NUM_KERNEL_PTS]; 262 263 /* Prototypes */ 264 #if defined(GUMSTIX) 265 static void read_system_serial(void); 266 #endif 267 static void process_kernel_args(int, char *[]); 268 static void process_kernel_args_liner(char *); 269 #ifdef KGDB 270 static void kgdb_port_init(void); 271 #endif 272 static void gumstix_device_register(device_t, void *); 273 274 bs_protos(bs_notimpl); 275 276 #include "com.h" 277 #if NCOM > 0 278 #include <dev/ic/comreg.h> 279 #include <dev/ic/comvar.h> 280 #endif 281 282 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 283 #include "lcd.h" 284 #endif 285 286 #ifndef CONSPEED 287 #define CONSPEED B115200 /* It's a setting of the default of u-boot */ 288 #endif 289 #ifndef CONMODE 290 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 291 #endif 292 293 int comcnspeed = CONSPEED; 294 int comcnmode = CONMODE; 295 296 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 297 static char console[16]; 298 #endif 299 300 extern void gxio_config_pin(void); 301 extern void gxio_config_expansion(char *); 302 303 /* 304 * void cpu_reboot(int howto, char *bootstr) 305 * 306 * Deal with any syncing, unmounting, dumping and shutdown hooks, 307 * then reset the CPU. 308 */ 309 void 310 cpu_reboot(int howto, char *bootstr) 311 { 312 313 #ifdef DIAGNOSTIC 314 /* info */ 315 printf("boot: howto=%08x curproc=%p\n", howto, curproc); 316 #endif 317 318 /* 319 * If we are still cold then hit the air brakes 320 * and crash to earth fast 321 */ 322 if (cold) { 323 doshutdownhooks(); 324 pmf_system_shutdown(boothowto); 325 printf("The operating system has halted.\n"); 326 printf("Please press any key to reboot.\n\n"); 327 cngetc(); 328 printf("rebooting...\n"); 329 cpu_reset(); 330 /*NOTREACHED*/ 331 } 332 333 /* 334 * If RB_NOSYNC was not specified sync the discs. 335 * Note: Unless cold is set to 1 here, syslogd will die during the 336 * unmount. It looks like syslogd is getting woken up only to find 337 * that it cannot page part of the binary in as the filesystem has 338 * been unmounted. 339 */ 340 if (!(howto & RB_NOSYNC)) 341 bootsync(); 342 343 /* Say NO to interrupts */ 344 splhigh(); 345 346 /* Do a dump if requested. */ 347 if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP) 348 dumpsys(); 349 350 /* Run any shutdown hooks */ 351 doshutdownhooks(); 352 353 pmf_system_shutdown(boothowto); 354 355 /* Make sure IRQ's are disabled */ 356 IRQdisable; 357 358 if (howto & RB_HALT) { 359 printf("The operating system has halted.\n"); 360 printf("Please press any key to reboot.\n\n"); 361 cngetc(); 362 } 363 364 printf("rebooting...\n"); 365 cpu_reset(); 366 /*NOTREACHED*/ 367 } 368 369 static inline pd_entry_t * 370 read_ttb(void) 371 { 372 long ttb; 373 374 __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb)); 375 376 return (pd_entry_t *)(ttb & ~((1<<14)-1)); 377 } 378 379 /* 380 * Static device mappings. These peripheral registers are mapped at 381 * fixed virtual addresses very early in initarm() so that we can use 382 * them while booting the kernel, and stay at the same address 383 * throughout whole kernel's life time. 384 * 385 * We use this table twice; once with bootstrap page table, and once 386 * with kernel's page table which we build up in initarm(). 387 * 388 * Since we map these registers into the bootstrap page table using 389 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 390 * registers segment-aligned and segment-rounded in order to avoid 391 * using the 2nd page tables. 392 */ 393 394 #define _A(a) ((a) & ~L1_S_OFFSET) 395 #define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1)) 396 397 static const struct pmap_devmap gumstix_devmap[] = { 398 #if defined(GUMSTIX) 399 { 400 GUMSTIX_GPIO_VBASE, 401 _A(PXA2X0_GPIO_BASE), 402 _S(PXA250_GPIO_SIZE), 403 VM_PROT_READ | VM_PROT_WRITE, 404 PTE_NOCACHE, 405 }, 406 { 407 GUMSTIX_CLKMAN_VBASE, 408 _A(PXA2X0_CLKMAN_BASE), 409 _S(PXA2X0_CLKMAN_SIZE), 410 VM_PROT_READ | VM_PROT_WRITE, 411 PTE_NOCACHE, 412 }, 413 { 414 GUMSTIX_INTCTL_VBASE, 415 _A(PXA2X0_INTCTL_BASE), 416 _S(PXA2X0_INTCTL_SIZE), 417 VM_PROT_READ | VM_PROT_WRITE, 418 PTE_NOCACHE, 419 }, 420 { 421 GUMSTIX_FFUART_VBASE, 422 _A(PXA2X0_FFUART_BASE), 423 _S(4 * COM_NPORTS), 424 VM_PROT_READ | VM_PROT_WRITE, 425 PTE_NOCACHE, 426 }, 427 { 428 GUMSTIX_STUART_VBASE, 429 _A(PXA2X0_STUART_BASE), 430 _S(4 * COM_NPORTS), 431 VM_PROT_READ | VM_PROT_WRITE, 432 PTE_NOCACHE, 433 }, 434 { 435 GUMSTIX_BTUART_VBASE, 436 _A(PXA2X0_BTUART_BASE), 437 _S(4 * COM_NPORTS), 438 VM_PROT_READ | VM_PROT_WRITE, 439 PTE_NOCACHE, 440 }, 441 { 442 GUMSTIX_HWUART_VBASE, 443 _A(PXA2X0_HWUART_BASE), 444 _S(4 * COM_NPORTS), 445 VM_PROT_READ | VM_PROT_WRITE, 446 PTE_NOCACHE, 447 }, 448 { 449 GUMSTIX_LCDC_VBASE, 450 _A(PXA2X0_LCDC_BASE), 451 _S(4 * COM_NPORTS), 452 VM_PROT_READ | VM_PROT_WRITE, 453 PTE_NOCACHE, 454 }, 455 #elif defined(OVERO) 456 { 457 OVERO_L4_PERIPHERAL_VBASE, 458 _A(OMAP3530_L4_PERIPHERAL_BASE), 459 _S(OMAP3530_L4_PERIPHERAL_SIZE), 460 VM_PROT_READ | VM_PROT_WRITE, 461 PTE_NOCACHE 462 }, 463 #endif 464 { 0, 0, 0, 0, 0 } 465 }; 466 467 #undef _A 468 #undef _S 469 470 471 /* 472 * u_int initarm(...) 473 * 474 * Initial entry point on startup. This gets called before main() is 475 * entered. 476 * It should be responsible for setting up everything that must be 477 * in place when main is called. 478 * This includes 479 * Taking a copy of the boot configuration structure. 480 * Initialising the physical console so characters can be printed. 481 * Setting up page tables for the kernel 482 * Relocating the kernel to the bottom of physical memory 483 */ 484 u_int 485 initarm(void *arg) 486 { 487 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 488 #ifdef DIAGNOSTIC 489 extern vsize_t xscale_minidata_clean_size; /* used in KASSERT */ 490 #endif 491 extern vaddr_t xscale_cache_clean_addr; 492 #endif 493 extern uint32_t *u_boot_args[]; 494 extern uint32_t ram_size; 495 enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */ 496 int loop; 497 int loop1; 498 u_int l1pagetable; 499 paddr_t memstart; 500 psize_t memsize; 501 502 /* 503 * U-Boot doesn't use the virtual memory. 504 * 505 * Gumstix (basix, connex, verdex, verdex-pro): 506 * Physical Address Range Description 507 * ----------------------- ---------------------------------- 508 * 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB) 509 * 0x40000000 - 0x480fffff Processor Registers 510 * 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB) 511 * 512 * Overo: 513 * Physical Address Range Description 514 * ----------------------- ---------------------------------- 515 */ 516 517 /* 518 * Heads up ... Setup the CPU / MMU / TLB functions 519 */ 520 if (set_cpufuncs()) 521 panic("cpu not recognized!"); 522 523 /* map some peripheral registers at static I/O area */ 524 pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap); 525 526 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 527 /* start 32.768kHz OSC */ 528 ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON); 529 530 /* Get ready for splfoo() */ 531 pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE); 532 533 /* setup GPIO for {FF,ST,HW}UART. */ 534 pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE); 535 536 pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE); 537 #elif defined(CPU_CORTEXA8) 538 { 539 void cortexa8_pmc_ccnt_init(void); 540 541 cortexa8_pmc_ccnt_init(); 542 } 543 #endif 544 545 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 546 547 /* configure GPIOs. */ 548 gxio_config_pin(); 549 550 551 #ifndef GUMSTIX_NETBSD_ARGS_CONSOLE 552 consinit(); 553 #endif 554 #ifdef KGDB 555 kgdb_port_init(); 556 #endif 557 558 /* 559 * Examine the boot args string for options we need to know about 560 * now. 561 */ 562 #if defined(GUMSTIX) 563 #define SDRAM_START 0xa0000000UL 564 #elif defined(OVERO) 565 #define SDRAM_START 0x80000000UL 566 #endif 567 if (((uint32_t)u_boot_args[r0] & 0xf0000000) != SDRAM_START) 568 /* Maybe r0 is 'argc'. We are booted by command 'go'. */ 569 process_kernel_args((int)u_boot_args[r0], 570 (char **)u_boot_args[r1]); 571 else 572 /* 573 * Maybe r3 is 'boot args string' of 'bootm'. This string is 574 * linely. 575 */ 576 process_kernel_args_liner((char *)u_boot_args[r3]); 577 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 578 consinit(); 579 #endif 580 581 /* Talk to the user */ 582 #define BDSTR(s) _BDSTR(s) 583 #define _BDSTR(s) #s 584 printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n"); 585 586 /* Read system serial */ 587 #if defined(GUMSTIX) 588 read_system_serial(); 589 #endif 590 591 memstart = SDRAM_START; 592 memsize = ram_size; 593 594 #ifdef VERBOSE_INIT_ARM 595 printf("initarm: Configuring system ...\n"); 596 #endif 597 598 /* Fake bootconfig structure for the benefit of pmap.c */ 599 /* XXX must make the memory description h/w independent */ 600 bootconfig.dramblocks = 1; 601 bootconfig.dram[0].address = memstart; 602 bootconfig.dram[0].pages = memsize / PAGE_SIZE; 603 604 /* 605 * Set up the variables that define the availablilty of 606 * physical memory. For now, we're going to set 607 * physical_freestart to 0xa0200000 (where the kernel 608 * was loaded), and allocate the memory we need downwards. 609 * If we get too close to the L1 table that we set up, we 610 * will panic. We will update physical_freestart and 611 * physical_freeend later to reflect what pmap_bootstrap() 612 * wants to see. 613 * 614 * XXX pmap_bootstrap() needs an enema. 615 */ 616 physical_start = bootconfig.dram[0].address; 617 physical_end = physical_start + memsize; 618 619 #if defined(GUMSTIX) 620 physical_freestart = 0xa0009000UL; 621 physical_freeend = 0xa0200000UL; 622 #elif defined(OVERO) 623 physical_freestart = 0x80009000UL; 624 physical_freeend = 0x80200000UL; 625 #endif 626 627 physmem = (physical_end - physical_start) / PAGE_SIZE; 628 629 #ifdef VERBOSE_INIT_ARM 630 /* Tell the user about the memory */ 631 printf("physmemory: %d pages at 0x%08lx -> 0x%08lx\n", physmem, 632 physical_start, physical_end - 1); 633 #endif 634 635 /* 636 * Okay, the kernel starts 2MB in from the bottom of physical 637 * memory. We are going to allocate our bootstrap pages downwards 638 * from there. 639 * 640 * We need to allocate some fixed page tables to get the kernel 641 * going. We allocate one page directory and a number of page 642 * tables and store the physical addresses in the kernel_pt_table 643 * array. 644 * 645 * The kernel page directory must be on a 16K boundary. The page 646 * tables must be on 4K bounaries. What we do is allocate the 647 * page directory on the first 16K boundary that we encounter, and 648 * the page tables on 4K boundaries otherwise. Since we allocate 649 * at least 3 L2 page tables, we are guaranteed to encounter at 650 * least one 16K aligned region. 651 */ 652 653 #ifdef VERBOSE_INIT_ARM 654 printf("Allocating page tables\n"); 655 #endif 656 657 free_pages = (physical_freeend - physical_freestart) / PAGE_SIZE; 658 659 #ifdef VERBOSE_INIT_ARM 660 printf("freestart = 0x%08lx, free_pages = %d (0x%08x)\n", 661 physical_freestart, free_pages, free_pages); 662 #endif 663 664 /* Define a macro to simplify memory allocation */ 665 #define valloc_pages(var, np) \ 666 alloc_pages((var).pv_pa, (np)); \ 667 (var).pv_va = KERNEL_BASE + (var).pv_pa - physical_start; 668 669 #define alloc_pages(var, np) \ 670 physical_freeend -= ((np) * PAGE_SIZE); \ 671 if (physical_freeend < physical_freestart) \ 672 panic("initarm: out of memory"); \ 673 (var) = physical_freeend; \ 674 free_pages -= (np); \ 675 memset((char *)(var), 0, ((np) * PAGE_SIZE)); 676 677 loop1 = 0; 678 for (loop = 0; loop <= NUM_KERNEL_PTS; ++loop) { 679 /* Are we 16KB aligned for an L1 ? */ 680 if ((physical_freeend & (L1_TABLE_SIZE - 1)) == 0 && 681 kernel_l1pt.pv_pa == 0) { 682 valloc_pages(kernel_l1pt, L1_TABLE_SIZE / PAGE_SIZE); 683 } else { 684 valloc_pages(kernel_pt_table[loop1], 685 L2_TABLE_SIZE / PAGE_SIZE); 686 ++loop1; 687 } 688 } 689 690 /* This should never be able to happen but better confirm that. */ 691 if (!kernel_l1pt.pv_pa || (kernel_l1pt.pv_pa & (L1_TABLE_SIZE-1)) != 0) 692 panic("initarm: Failed to align the kernel page directory"); 693 694 /* 695 * Allocate a page for the system page mapped to V0x00000000 696 * This page will just contain the system vectors and can be 697 * shared by all processes. 698 */ 699 alloc_pages(systempage.pv_pa, 1); 700 #if defined(CPU_CORTEXA8) 701 systempage.pv_va = ARM_VECTORS_HIGH; 702 #endif 703 704 /* Allocate stacks for all modes */ 705 valloc_pages(irqstack, IRQ_STACK_SIZE); 706 valloc_pages(abtstack, ABT_STACK_SIZE); 707 valloc_pages(undstack, UND_STACK_SIZE); 708 valloc_pages(kernelstack, UPAGES); 709 710 /* Allocate enough pages for cleaning the Mini-Data cache. */ 711 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 712 KASSERT(xscale_minidata_clean_size <= PAGE_SIZE); 713 #endif 714 valloc_pages(minidataclean, 1); 715 716 #ifdef VERBOSE_INIT_ARM 717 printf("IRQ stack: p0x%08lx v0x%08lx\n", irqstack.pv_pa, 718 irqstack.pv_va); 719 printf("ABT stack: p0x%08lx v0x%08lx\n", abtstack.pv_pa, 720 abtstack.pv_va); 721 printf("UND stack: p0x%08lx v0x%08lx\n", undstack.pv_pa, 722 undstack.pv_va); 723 printf("SVC stack: p0x%08lx v0x%08lx\n", kernelstack.pv_pa, 724 kernelstack.pv_va); 725 #endif 726 727 /* 728 * XXX Defer this to later so that we can reclaim the memory 729 * XXX used by the RedBoot page tables. 730 */ 731 alloc_pages(msgbufphys, round_page(MSGBUFSIZE) / PAGE_SIZE); 732 733 /* 734 * Ok we have allocated physical pages for the primary kernel 735 * page tables 736 */ 737 738 #ifdef VERBOSE_INIT_ARM 739 printf("Creating L1 page table at 0x%08lx\n", kernel_l1pt.pv_pa); 740 #endif 741 742 /* 743 * Now we start construction of the L1 page table 744 * We start by mapping the L2 page tables into the L1. 745 * This means that we can replace L1 mappings later on if necessary 746 */ 747 l1pagetable = kernel_l1pt.pv_va; 748 749 /* Map the L2 pages tables in the L1 page table */ 750 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 751 pmap_link_l2pt(l1pagetable, 0x00000000, 752 &kernel_pt_table[KERNEL_PT_SYS]); 753 #elif defined(CPU_CORTEXA8) 754 pmap_link_l2pt(l1pagetable, ARM_VECTORS_HIGH & ~(0x00400000 - 1), 755 &kernel_pt_table[KERNEL_PT_SYS]); 756 #endif 757 for (loop = 0; loop < KERNEL_PT_KERNEL_NUM; loop++) 758 pmap_link_l2pt(l1pagetable, KERNEL_BASE + loop * 0x00400000, 759 &kernel_pt_table[KERNEL_PT_KERNEL + loop]); 760 for (loop = 0; loop < KERNEL_PT_VMDATA_NUM; loop++) 761 pmap_link_l2pt(l1pagetable, KERNEL_VM_BASE + loop * 0x00400000, 762 &kernel_pt_table[KERNEL_PT_VMDATA + loop]); 763 764 /* update the top of the kernel VM */ 765 pmap_curmaxkvaddr = 766 KERNEL_VM_BASE + (KERNEL_PT_VMDATA_NUM * 0x00400000); 767 768 #ifdef VERBOSE_INIT_ARM 769 printf("Mapping kernel\n"); 770 #endif 771 772 /* Now we fill in the L2 pagetable for the kernel static code/data */ 773 { 774 extern char etext[], _end[]; 775 size_t textsize = (uintptr_t) etext - KERNEL_TEXT_BASE; 776 size_t totalsize = (uintptr_t) _end - KERNEL_TEXT_BASE; 777 u_int logical; 778 779 textsize = (textsize + PGOFSET) & ~PGOFSET; 780 totalsize = (totalsize + PGOFSET) & ~PGOFSET; 781 782 logical = 0x00200000; /* offset of kernel in RAM */ 783 784 logical += pmap_map_chunk(l1pagetable, KERNEL_BASE + logical, 785 physical_start + logical, textsize, 786 VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 787 logical += pmap_map_chunk(l1pagetable, KERNEL_BASE + logical, 788 physical_start + logical, totalsize - textsize, 789 VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 790 } 791 792 #ifdef VERBOSE_INIT_ARM 793 printf("Constructing L2 page tables\n"); 794 #endif 795 796 /* Map the stack pages */ 797 pmap_map_chunk(l1pagetable, irqstack.pv_va, irqstack.pv_pa, 798 IRQ_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 799 pmap_map_chunk(l1pagetable, abtstack.pv_va, abtstack.pv_pa, 800 ABT_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 801 pmap_map_chunk(l1pagetable, undstack.pv_va, undstack.pv_pa, 802 UND_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 803 pmap_map_chunk(l1pagetable, kernelstack.pv_va, kernelstack.pv_pa, 804 UPAGES * PAGE_SIZE, VM_PROT_READ | VM_PROT_WRITE, PTE_CACHE); 805 806 pmap_map_chunk(l1pagetable, kernel_l1pt.pv_va, kernel_l1pt.pv_pa, 807 L1_TABLE_SIZE, VM_PROT_READ | VM_PROT_WRITE, PTE_PAGETABLE); 808 809 for (loop = 0; loop < NUM_KERNEL_PTS; ++loop) { 810 pmap_map_chunk(l1pagetable, kernel_pt_table[loop].pv_va, 811 kernel_pt_table[loop].pv_pa, L2_TABLE_SIZE, 812 VM_PROT_READ|VM_PROT_WRITE, PTE_PAGETABLE); 813 } 814 815 /* Map the Mini-Data cache clean area. */ 816 #if defined(GUMSTIX) 817 xscale_setup_minidata(l1pagetable, minidataclean.pv_va, 818 minidataclean.pv_pa); 819 #endif 820 821 /* Map the vector page. */ 822 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 823 #if 1 824 /* MULTI-ICE requires that page 0 is NC/NB so that it can download the 825 * cache-clean code there. */ 826 pmap_map_entry(l1pagetable, vector_page, systempage.pv_pa, 827 VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE); 828 #else 829 pmap_map_entry(l1pagetable, vector_page, systempage.pv_pa, 830 VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 831 #endif 832 #elif defined(CPU_CORTEXA8) 833 pmap_map_entry(l1pagetable, ARM_VECTORS_HIGH, systempage.pv_pa, 834 VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); 835 #endif 836 837 /* 838 * map integrated peripherals at same address in l1pagetable 839 * so that we can continue to use console. 840 */ 841 pmap_devmap_bootstrap(l1pagetable, gumstix_devmap); 842 843 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 844 /* 845 * Give the XScale global cache clean code an appropriately 846 * sized chunk of unmapped VA space starting at 0xff000000 847 * (our device mappings end before this address). 848 */ 849 xscale_cache_clean_addr = 0xff000000U; 850 #endif 851 852 /* 853 * Now we have the real page tables in place so we can switch to them. 854 * Once this is done we will be running with the REAL kernel page 855 * tables. 856 */ 857 858 /* 859 * Update the physical_freestart/physical_freeend/free_pages 860 * variables. 861 */ 862 { 863 extern char _end[]; 864 865 physical_freestart = physical_start + 866 (((((uintptr_t) _end) + PGOFSET) & ~PGOFSET) - 867 KERNEL_BASE); 868 physical_freeend = physical_end; 869 free_pages = 870 (physical_freeend - physical_freestart) / PAGE_SIZE; 871 } 872 873 /* Switch tables */ 874 #ifdef VERBOSE_INIT_ARM 875 printf("freestart = 0x%08lx, free_pages = %d (0x%x)\n", 876 physical_freestart, free_pages, free_pages); 877 printf("switching to new L1 page table @%#lx...", kernel_l1pt.pv_pa); 878 #endif 879 880 cpu_setttb(kernel_l1pt.pv_pa); 881 cpu_tlb_flushID(); 882 cpu_domains(DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)); 883 884 /* 885 * Moved from cpu_startup() as data_abort_handler() references 886 * this during uvm init 887 */ 888 uvm_lwp_setuarea(&lwp0, kernelstack.pv_va); 889 890 #ifdef VERBOSE_INIT_ARM 891 printf("bootstrap done.\n"); 892 #endif 893 894 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270) 895 arm32_vector_init(ARM_VECTORS_LOW, ARM_VEC_ALL); 896 #elif defined(CPU_CORTEXA8) 897 arm32_vector_init(ARM_VECTORS_HIGH, ARM_VEC_ALL); 898 #endif 899 900 /* 901 * Pages were allocated during the secondary bootstrap for the 902 * stacks for different CPU modes. 903 * We must now set the r13 registers in the different CPU modes to 904 * point to these stacks. 905 * Since the ARM stacks use STMFD etc. we must set r13 to the top end 906 * of the stack memory. 907 */ 908 #ifdef VERBOSE_INIT_ARM 909 printf("init subsystems: stacks "); 910 #endif 911 912 set_stackptr(PSR_IRQ32_MODE, 913 irqstack.pv_va + IRQ_STACK_SIZE * PAGE_SIZE); 914 set_stackptr(PSR_ABT32_MODE, 915 abtstack.pv_va + ABT_STACK_SIZE * PAGE_SIZE); 916 set_stackptr(PSR_UND32_MODE, 917 undstack.pv_va + UND_STACK_SIZE * PAGE_SIZE); 918 919 /* 920 * Well we should set a data abort handler. 921 * Once things get going this will change as we will need a proper 922 * handler. 923 * Until then we will use a handler that just panics but tells us 924 * why. 925 * Initialisation of the vectors will just panic on a data abort. 926 * This just fills in a slighly better one. 927 */ 928 #ifdef VERBOSE_INIT_ARM 929 printf("vectors "); 930 #endif 931 data_abort_handler_address = (u_int)data_abort_handler; 932 prefetch_abort_handler_address = (u_int)prefetch_abort_handler; 933 undefined_handler_address = (u_int)undefinedinstruction_bounce; 934 935 /* Initialise the undefined instruction handlers */ 936 #ifdef VERBOSE_INIT_ARM 937 printf("undefined "); 938 #endif 939 undefined_init(); 940 941 /* Load memory into UVM. */ 942 #ifdef VERBOSE_INIT_ARM 943 printf("page "); 944 #endif 945 uvm_setpagesize(); /* initialize PAGE_SIZE-dependent variables */ 946 uvm_page_physload(atop(physical_freestart), atop(physical_freeend), 947 atop(physical_freestart), atop(physical_freeend), 948 VM_FREELIST_DEFAULT); 949 950 /* Boot strap pmap telling it where the kernel page table is */ 951 #ifdef VERBOSE_INIT_ARM 952 printf("pmap "); 953 #endif 954 pmap_bootstrap(KERNEL_VM_BASE, KERNEL_VM_BASE + KERNEL_VM_SIZE); 955 956 #ifdef __HAVE_MEMORY_DISK__ 957 md_root_setconf(memory_disk, sizeof memory_disk); 958 #endif 959 960 #ifdef BOOTHOWTO 961 boothowto |= BOOTHOWTO; 962 #endif 963 964 #ifdef KGDB 965 if (boothowto & RB_KDB) { 966 kgdb_debug_init = 1; 967 kgdb_connect(1); 968 } 969 #endif 970 971 #if NKSYMS || defined(DDB) || defined(MODULAR) 972 /* Firmware doesn't load symbols. */ 973 ddb_init(0, NULL, NULL); 974 #endif 975 976 #ifdef DDB 977 db_machine_init(); 978 if (boothowto & RB_KDB) 979 Debugger(); 980 #endif 981 982 /* We have our own device_register() */ 983 evbarm_device_register = gumstix_device_register; 984 985 /* We return the new stack pointer address */ 986 return(kernelstack.pv_va + USPACE_SVC_STACK_TOP); 987 } 988 989 #if defined(GUMSTIX) 990 static void 991 read_system_serial(void) 992 { 993 #define GUMSTIX_SYSTEM_SERIAL_ADDR 0 994 #define GUMSTIX_SYSTEM_SERIAL_SIZE 8 995 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 996 #define FLASH_OFFSET_USER_PROTECTION 0x85 997 #define FLASH_CMD_READ_ID 0x90 998 #define FLASH_CMD_RESET 0xff 999 int i; 1000 char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src; 1001 char x; 1002 1003 src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/); 1004 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 1005 memcpy(system_serial, 1006 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 1007 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 1008 1009 for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++) 1010 x &= system_serial[i]; 1011 if (x == 0xff) { 1012 src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/); 1013 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 1014 memcpy(system_serial, 1015 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 1016 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 1017 1018 /* 1019 * XXXX: Don't need ??? 1020 * gumstix_serial_hash(system_serial); 1021 */ 1022 } 1023 system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 | 1024 system_serial[2] << 8 | system_serial[3]; 1025 system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 | 1026 system_serial[6] << 8 | system_serial[7]; 1027 1028 printf("system serial: 0x"); 1029 for (i = 0; i < sizeof (system_serial); i++) 1030 printf("%02x", system_serial[i]); 1031 printf("\n"); 1032 } 1033 #endif 1034 1035 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 1036 static const char busheader_name[] = "busheader="; 1037 #endif 1038 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 1039 static const char console_name[] = "console="; 1040 #endif 1041 static void 1042 process_kernel_args(int argc, char *argv[]) 1043 { 1044 int gxio_configured = 0, i, j; 1045 1046 boothowto = 0; 1047 1048 for (i = 1, j = 0; i < argc; i++) { 1049 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 1050 if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) { 1051 /* configure for GPIOs of busheader side */ 1052 gxio_config_expansion(argv[i] + strlen(busheader_name)); 1053 gxio_configured = 1; 1054 continue; 1055 } 1056 #endif 1057 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 1058 if (!strncmp(argv[i], console_name, strlen(console_name))) { 1059 strncpy(console, argv[i] + strlen(console_name), 1060 sizeof(console)); 1061 consinit(); 1062 } 1063 #endif 1064 if (j == MAX_BOOT_STRING) { 1065 *(bootargs + j) = '\0'; 1066 continue; 1067 } 1068 if (j != 0) 1069 *(bootargs + j++) = ' '; 1070 strncpy(bootargs + j, argv[i], MAX_BOOT_STRING - j); 1071 j += strlen(argv[i]); 1072 } 1073 boot_args = bootargs; 1074 1075 parse_mi_bootargs(boot_args); 1076 1077 if (!gxio_configured) 1078 gxio_config_expansion(NULL); 1079 } 1080 1081 static void 1082 process_kernel_args_liner(char *args) 1083 { 1084 char *p = NULL; 1085 1086 boothowto = 0; 1087 1088 strncpy(bootargs, args, sizeof(bootargs)); 1089 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 1090 p = strstr(bootargs, busheader_name); 1091 if (p) { 1092 int i = 0; 1093 char expansion[256], c; 1094 1095 do { 1096 c = *(p + strlen(busheader_name) + i); 1097 if (c == ' ') 1098 c = '\0'; 1099 expansion[i++] = c; 1100 } while (c != '\0' && i < sizeof(expansion)); 1101 gxio_config_expansion(expansion); 1102 strcpy(p, p + i); 1103 } 1104 #endif 1105 if (p == NULL) 1106 gxio_config_expansion(NULL); 1107 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 1108 p = strstr(bootargs, console_name); 1109 if (p != NULL) { 1110 int i = 0; 1111 char c; 1112 1113 do { 1114 c = *(p + strlen(console_name) + i); 1115 if (c == ' ') 1116 c = '\0'; 1117 console[i++] = c; 1118 } while (c != '\0' && i < sizeof(console)); 1119 consinit(); 1120 strcpy(p, p + i); 1121 } 1122 #endif 1123 boot_args = bootargs; 1124 1125 parse_mi_bootargs(boot_args); 1126 } 1127 1128 #ifdef KGDB 1129 #ifndef KGDB_DEVNAME 1130 #define KGDB_DEVNAME "ffuart" 1131 #endif 1132 const char kgdb_devname[] = KGDB_DEVNAME; 1133 1134 #ifndef KGDB_DEVRATE 1135 #define KGDB_DEVRATE CONSPEED 1136 #endif 1137 int kgdb_devrate = KGDB_DEVRATE; 1138 1139 #if (NCOM > 0) 1140 #ifndef KGDB_DEVMODE 1141 #define KGDB_DEVMODE CONMODE 1142 #endif 1143 int comkgdbmode = KGDB_DEVMODE; 1144 #endif /* NCOM */ 1145 1146 #endif /* KGDB */ 1147 1148 1149 void 1150 consinit(void) 1151 { 1152 static int consinit_called = 0; 1153 1154 if (consinit_called != 0) 1155 return; 1156 1157 consinit_called = 1; 1158 1159 #if NCOM > 0 1160 1161 #if defined(GUMSTIX) 1162 1163 #ifdef FFUARTCONSOLE 1164 #ifdef KGDB 1165 if (strcmp(kgdb_devname, "ffuart") == 0){ 1166 /* port is reserved for kgdb */ 1167 } else 1168 #endif 1169 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1170 if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0) 1171 #endif 1172 { 1173 int rv; 1174 1175 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE, 1176 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 1177 if (rv == 0) { 1178 pxa2x0_clkman_config(CKEN_FFUART, 1); 1179 return; 1180 } 1181 } 1182 #endif /* FFUARTCONSOLE */ 1183 1184 #ifdef STUARTCONSOLE 1185 #ifdef KGDB 1186 if (strcmp(kgdb_devname, "stuart") == 0) { 1187 /* port is reserved for kgdb */ 1188 } else 1189 #endif 1190 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1191 if (console[0] == '\0' || strcasecmp(console, "stuart") == 0) 1192 #endif 1193 { 1194 int rv; 1195 1196 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE, 1197 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 1198 if (rv == 0) { 1199 pxa2x0_clkman_config(CKEN_STUART, 1); 1200 return; 1201 } 1202 } 1203 #endif /* STUARTCONSOLE */ 1204 1205 #ifdef BTUARTCONSOLE 1206 #ifdef KGDB 1207 if (strcmp(kgdb_devname, "btuart") == 0) { 1208 /* port is reserved for kgdb */ 1209 } else 1210 #endif 1211 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1212 if (console[0] == '\0' || strcasecmp(console, "btuart") == 0) 1213 #endif 1214 { 1215 int rv; 1216 1217 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE, 1218 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 1219 if (rv == 0) { 1220 pxa2x0_clkman_config(CKEN_BTUART, 1); 1221 return; 1222 } 1223 } 1224 #endif /* BTUARTCONSOLE */ 1225 1226 #ifdef HWUARTCONSOLE 1227 #ifdef KGDB 1228 if (strcmp(kgdb_devname, "hwuart") == 0) { 1229 /* port is reserved for kgdb */ 1230 } else 1231 #endif 1232 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1233 if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0) 1234 #endif 1235 { 1236 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE, 1237 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 1238 if (rv == 0) { 1239 pxa2x0_clkman_config(CKEN_HWUART, 1); 1240 return; 1241 } 1242 } 1243 #endif /* HWUARTCONSOLE */ 1244 1245 #elif defined(OVERO) 1246 1247 if (comcnattach(&omap_a4x_bs_tag, 0x49020000, comcnspeed, 1248 OMAP_COM_FREQ, COM_TYPE_NORMAL, comcnmode) == 0) 1249 return; 1250 1251 #endif /* GUMSTIX or OVERO */ 1252 1253 #endif /* NCOM */ 1254 1255 #if NLCD > 0 1256 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1257 if (console[0] == '\0' || strcasecmp(console, "lcd") == 0) 1258 #endif 1259 { 1260 gxlcd_cnattach(); 1261 } 1262 #endif 1263 } 1264 1265 #ifdef KGDB 1266 static void 1267 kgdb_port_init(void) 1268 { 1269 #if (NCOM > 0) && defined(COM_PXA2X0) 1270 paddr_t paddr = 0; 1271 int cken = 0; 1272 1273 if (0 == strcmp(kgdb_devname, "ffuart")) { 1274 paddr = PXA2X0_FFUART_BASE; 1275 cken = CKEN_FFUART; 1276 } else if (0 == strcmp(kgdb_devname, "stuart")) { 1277 paddr = PXA2X0_STUART_BASE; 1278 cken = CKEN_STUART; 1279 } else if (0 == strcmp(kgdb_devname, "btuart")) { 1280 paddr = PXA2X0_BTUART_BASE; 1281 cken = CKEN_BTUART; 1282 } else if (0 == strcmp(kgdb_devname, "hwuart")) { 1283 paddr = PXA2X0_HWUART_BASE; 1284 cken = CKEN_HWUART; 1285 } 1286 1287 if (paddr && 1288 0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr, 1289 kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) { 1290 1291 pxa2x0_clkman_config(cken, 1); 1292 } 1293 1294 #endif 1295 } 1296 #endif 1297 1298 static void 1299 gumstix_device_register(device_t dev, void *aux) 1300 { 1301 1302 if (device_is_a(dev, "ohci")) { 1303 if (prop_dictionary_set_bool(device_properties(dev), 1304 "Ganged-power-mask-on-port1", 1) == false) { 1305 printf("WARNING: unable to set power-mask for port1" 1306 " property for %s\n", dev->dv_xname); 1307 } 1308 if (prop_dictionary_set_bool(device_properties(dev), 1309 "Ganged-power-mask-on-port2", 1) == false) { 1310 printf("WARNING: unable to set power-mask for port2" 1311 " property for %s\n", dev->dv_xname); 1312 } 1313 if (prop_dictionary_set_bool(device_properties(dev), 1314 "Ganged-power-mask-on-port3", 1) == false) { 1315 printf("WARNING: unable to set power-mask for port3" 1316 " property for %s\n", dev->dv_xname); 1317 } 1318 } 1319 } 1320
Indexes created Tue Oct 28 12:10:06 GMT 2025