gumstix_machdep.c revision 1.57.2.1
1 /* $NetBSD: gumstix_machdep.c,v 1.57.2.1 2017/04/21 16:53:26 bouyer 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_com.h" 141 #include "opt_cputypes.h" 142 #include "opt_evbarm_boardtype.h" 143 #include "opt_gumstix.h" 144 #include "opt_kgdb.h" 145 #include "opt_multiprocessor.h" 146 #include "opt_pmap_debug.h" 147 #if defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 148 #include "opt_omap.h" 149 150 #if defined(DUOVERO) 151 #include "arml2cc.h" 152 #endif 153 #include "prcm.h" 154 #endif 155 156 #include <sys/param.h> 157 #include <sys/conf.h> 158 #include <sys/device.h> 159 #include <sys/exec.h> 160 #include <sys/kernel.h> 161 #include <sys/proc.h> 162 #include <sys/reboot.h> 163 #include <sys/systm.h> 164 #include <sys/termios.h> 165 #include <sys/bus.h> 166 #include <sys/cpu.h> 167 #include <sys/gpio.h> 168 169 #include <prop/proplib.h> 170 171 #include <uvm/uvm_extern.h> 172 173 #include <arm/mainbus/mainbus.h> /* don't reorder */ 174 175 #include <machine/autoconf.h> /* don't reorder */ 176 #include <machine/bootconfig.h> 177 #include <arm/locore.h> 178 179 #include <arm/arm32/machdep.h> 180 #if NARML2CC > 0 181 #include <arm/cortex/pl310_var.h> 182 #endif 183 #include <arm/cortex/scu_reg.h> 184 #include <arm/omap/omap2_obiovar.h> 185 #include <arm/omap/am335x_prcm.h> 186 #include <arm/omap/omap2_gpio.h> 187 #include <arm/omap/omap2_gpmcreg.h> 188 #include <arm/omap/omap2_prcm.h> 189 #if defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 190 #include <arm/omap/omap2_reg.h> /* Must required "opt_omap.h" */ 191 #endif 192 #include <arm/omap/omap3_sdmmcreg.h> 193 #include <arm/omap/omap_var.h> 194 #include <arm/omap/omap_com.h> 195 #include <arm/omap/tifbvar.h> 196 #include <arm/xscale/pxa2x0reg.h> 197 #include <arm/xscale/pxa2x0var.h> 198 #include <arm/xscale/pxa2x0_gpio.h> 199 #include <evbarm/gumstix/gumstixreg.h> 200 #include <evbarm/gumstix/gumstixvar.h> 201 202 #include <dev/cons.h> 203 204 #ifdef KGDB 205 #include <sys/kgdb.h> 206 #endif 207 208 /* 209 * The range 0xc1000000 - 0xfd000000 is available for kernel VM space 210 * Core-logic registers and I/O mappings occupy 211 * 212 * 0xfd000000 - 0xfd800000 on gumstix 213 * 0xc0000000 - 0xc0400000 on overo, duovero and pepper 214 */ 215 #ifndef KERNEL_VM_BASE 216 #define KERNEL_VM_BASE 0xc8000000 217 #endif 218 #define KERNEL_VM_SIZE 0x35000000 219 220 BootConfig bootconfig; /* Boot config storage */ 221 static char bootargs[MAX_BOOT_STRING]; 222 const size_t bootargs_len = sizeof(bootargs) - 1; /* without nul */ 223 char *boot_args = NULL; 224 225 uint32_t system_serial_high; 226 uint32_t system_serial_low; 227 228 /* Prototypes */ 229 #if defined(GUMSTIX) 230 static void read_system_serial(void); 231 #endif 232 #if defined(OMAP2) 233 static void omap_reset(void); 234 static void find_cpu_clock(void); 235 #endif 236 static void process_kernel_args(int, char *[]); 237 static void process_kernel_args_liner(char *); 238 #ifdef KGDB 239 static void kgdb_port_init(void); 240 #endif 241 static void gumstix_device_register(device_t, void *); 242 243 bs_protos(bs_notimpl); 244 245 #include "com.h" 246 #if NCOM > 0 247 #include <dev/ic/comreg.h> 248 #include <dev/ic/comvar.h> 249 #endif 250 251 #if defined(CPU_XSCALE) 252 #include "lcd.h" 253 #endif 254 255 #ifndef CONSPEED 256 #define CONSPEED B115200 /* It's a setting of the default of u-boot */ 257 #endif 258 #ifndef CONMODE 259 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 260 #endif 261 262 int comcnspeed = CONSPEED; 263 int comcnmode = CONMODE; 264 265 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 266 static char console[16]; 267 #endif 268 269 const struct tifb_panel_info *tifb_panel_info = NULL; 270 /* Use TPS65217 White LED Driver */ 271 bool use_tps65217_wled = false; 272 273 extern void gxio_config(void); 274 extern void gxio_config_expansion(char *); 275 276 277 static inline pd_entry_t * 278 read_ttb(void) 279 { 280 long ttb; 281 282 __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb)); 283 284 return (pd_entry_t *)(ttb & ~((1<<14)-1)); 285 } 286 287 /* 288 * Static device mappings. These peripheral registers are mapped at 289 * fixed virtual addresses very early in initarm() so that we can use 290 * them while booting the kernel, and stay at the same address 291 * throughout whole kernel's life time. 292 * 293 * We use this table twice; once with bootstrap page table, and once 294 * with kernel's page table which we build up in initarm(). 295 * 296 * Since we map these registers into the bootstrap page table using 297 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 298 * registers segment-aligned and segment-rounded in order to avoid 299 * using the 2nd page tables. 300 */ 301 302 #define _A(a) ((a) & ~L1_S_OFFSET) 303 #define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1)) 304 305 static const struct pmap_devmap gumstix_devmap[] = { 306 #if defined(GUMSTIX) 307 { 308 GUMSTIX_GPIO_VBASE, 309 _A(PXA2X0_GPIO_BASE), 310 _S(PXA250_GPIO_SIZE), 311 VM_PROT_READ | VM_PROT_WRITE, 312 PTE_NOCACHE, 313 }, 314 { 315 GUMSTIX_CLKMAN_VBASE, 316 _A(PXA2X0_CLKMAN_BASE), 317 _S(PXA2X0_CLKMAN_SIZE), 318 VM_PROT_READ | VM_PROT_WRITE, 319 PTE_NOCACHE, 320 }, 321 { 322 GUMSTIX_INTCTL_VBASE, 323 _A(PXA2X0_INTCTL_BASE), 324 _S(PXA2X0_INTCTL_SIZE), 325 VM_PROT_READ | VM_PROT_WRITE, 326 PTE_NOCACHE, 327 }, 328 { 329 GUMSTIX_FFUART_VBASE, 330 _A(PXA2X0_FFUART_BASE), 331 _S(4 * COM_NPORTS), 332 VM_PROT_READ | VM_PROT_WRITE, 333 PTE_NOCACHE, 334 }, 335 { 336 GUMSTIX_STUART_VBASE, 337 _A(PXA2X0_STUART_BASE), 338 _S(4 * COM_NPORTS), 339 VM_PROT_READ | VM_PROT_WRITE, 340 PTE_NOCACHE, 341 }, 342 { 343 GUMSTIX_BTUART_VBASE, 344 _A(PXA2X0_BTUART_BASE), 345 _S(4 * COM_NPORTS), 346 VM_PROT_READ | VM_PROT_WRITE, 347 PTE_NOCACHE, 348 }, 349 { 350 GUMSTIX_HWUART_VBASE, 351 _A(PXA2X0_HWUART_BASE), 352 _S(4 * COM_NPORTS), 353 VM_PROT_READ | VM_PROT_WRITE, 354 PTE_NOCACHE, 355 }, 356 { 357 GUMSTIX_LCDC_VBASE, 358 _A(PXA2X0_LCDC_BASE), 359 _S(4 * COM_NPORTS), 360 VM_PROT_READ | VM_PROT_WRITE, 361 PTE_NOCACHE, 362 }, 363 #elif defined(OVERO) 364 { /* SCM, PRCM */ 365 OVERO_L4_CORE_VBASE, 366 _A(OMAP3530_L4_CORE_BASE), 367 _S(L1_S_SIZE), /* No need 16MB. Use only first 1MB */ 368 VM_PROT_READ | VM_PROT_WRITE, 369 PTE_NOCACHE 370 }, 371 { /* Console, GPIO[2-6] */ 372 OVERO_L4_PERIPHERAL_VBASE, 373 _A(OMAP3530_L4_PERIPHERAL_BASE), 374 _S(OMAP3530_L4_PERIPHERAL_SIZE), 375 VM_PROT_READ | VM_PROT_WRITE, 376 PTE_NOCACHE 377 }, 378 { /* GPIO1 */ 379 OVERO_L4_WAKEUP_VBASE, 380 _A(OMAP3530_L4_WAKEUP_BASE), 381 _S(OMAP3530_L4_WAKEUP_SIZE), 382 VM_PROT_READ | VM_PROT_WRITE, 383 PTE_NOCACHE 384 }, 385 { 386 OVERO_GPMC_VBASE, 387 _A(GPMC_BASE), 388 _S(GPMC_SIZE), 389 VM_PROT_READ | VM_PROT_WRITE, 390 PTE_NOCACHE 391 }, 392 #elif defined(DUOVERO) 393 { 394 DUOVERO_L4_CM_VBASE, 395 _A(OMAP4430_L4_CORE_BASE + 0x100000), 396 _S(L1_S_SIZE), 397 VM_PROT_READ | VM_PROT_WRITE, 398 PTE_NOCACHE 399 }, 400 { /* Console, SCU, L2CC, GPIO[2-6] */ 401 DUOVERO_L4_PERIPHERAL_VBASE, 402 _A(OMAP4430_L4_PERIPHERAL_BASE), 403 _S(L1_S_SIZE * 3), 404 VM_PROT_READ | VM_PROT_WRITE, 405 PTE_NOCACHE 406 }, 407 { /* PRCM, GPIO1 */ 408 DUOVERO_L4_WAKEUP_VBASE, 409 _A(OMAP4430_L4_WAKEUP_BASE), 410 _S(OMAP4430_L4_WAKEUP_SIZE), 411 VM_PROT_READ | VM_PROT_WRITE, 412 PTE_NOCACHE 413 }, 414 { 415 DUOVERO_GPMC_VBASE, 416 _A(GPMC_BASE), 417 _S(GPMC_SIZE), 418 VM_PROT_READ | VM_PROT_WRITE, 419 PTE_NOCACHE 420 }, 421 #elif defined(PEPPER) 422 { 423 /* CM, Control Module, GPIO0, Console */ 424 PEPPER_PRCM_VBASE, 425 _A(OMAP2_CM_BASE), 426 _S(L1_S_SIZE), 427 VM_PROT_READ | VM_PROT_WRITE, 428 PTE_NOCACHE 429 }, 430 { 431 /* GPIO[1-3] */ 432 PEPPER_L4_PERIPHERAL_VBASE, 433 _A(TI_AM335X_L4_PERIPHERAL_BASE), 434 _S(L1_S_SIZE), 435 VM_PROT_READ | VM_PROT_WRITE, 436 PTE_NOCACHE 437 }, 438 #endif 439 { 0, 0, 0, 0, 0 } 440 }; 441 442 #undef _A 443 #undef _S 444 445 446 /* 447 * u_int initarm(...) 448 * 449 * Initial entry point on startup. This gets called before main() is 450 * entered. 451 * It should be responsible for setting up everything that must be 452 * in place when main is called. 453 * This includes 454 * Taking a copy of the boot configuration structure. 455 * Initialising the physical console so characters can be printed. 456 * Setting up page tables for the kernel 457 * Relocating the kernel to the bottom of physical memory 458 */ 459 u_int 460 initarm(void *arg) 461 { 462 extern char KERNEL_BASE_phys[]; 463 extern uint32_t *u_boot_args[]; 464 extern uint32_t ram_size; 465 enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */ 466 467 /* 468 * We mapped PA == VA in gumstix_start.S. 469 * Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable. 470 * 471 * Gumstix (basix, connex, verdex, verdex-pro): 472 * Physical Address Range Description 473 * ----------------------- ---------------------------------- 474 * 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB) 475 * 0x40000000 - 0x480fffff Processor Registers 476 * 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB) 477 * 0xc0000000 - 0xc3ffffff KERNEL_BASE 478 * 479 * Overo: 480 * Physical Address Range Description 481 * ----------------------- ---------------------------------- 482 * 0x80000000 - 0x9fffffff SDRAM Bank 0 483 * 0x80000000 - 0x83ffffff KERNEL_BASE 484 * 485 * DuoVero, Pepper: 486 * Physical Address Range Description 487 * ----------------------- ---------------------------------- 488 * 0x80000000 - 0xbfffffff SDRAM Bank 0 489 * 0x80000000 - 0x83ffffff KERNEL_BASE 490 */ 491 492 #if defined(CPU_XSCALE) 493 extern vaddr_t xscale_cache_clean_addr; 494 xscale_cache_clean_addr = 0xff000000U; 495 496 cpu_reset_address = NULL; 497 #elif defined(OMAP2) 498 cpu_reset_address = omap_reset; 499 500 find_cpu_clock(); 501 #endif 502 503 /* 504 * Heads up ... Setup the CPU / MMU / TLB functions 505 */ 506 if (set_cpufuncs()) 507 panic("cpu not recognized!"); 508 509 /* map some peripheral registers at static I/O area */ 510 pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap); 511 512 #if defined(CPU_XSCALE) 513 /* start 32.768kHz OSC */ 514 ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON); 515 516 /* Get ready for splfoo() */ 517 pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE); 518 519 /* setup GPIO for {FF,ST,HW}UART. */ 520 pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE); 521 522 pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE); 523 #endif 524 525 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 526 527 /* configure MUX, GPIO and CLK. */ 528 gxio_config(); 529 530 #ifndef GUMSTIX_NETBSD_ARGS_CONSOLE 531 consinit(); 532 #endif 533 #ifdef KGDB 534 kgdb_port_init(); 535 #endif 536 537 /* 538 * Examine the boot args string for options we need to know about 539 * now. 540 */ 541 #if defined(GUMSTIX) 542 #define SDRAM_START 0xa0000000UL 543 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 544 #define SDRAM_START 0x80000000UL 545 #endif 546 if ((uint32_t)u_boot_args[r0] < SDRAM_START || 547 (uint32_t)u_boot_args[r0] >= SDRAM_START + ram_size) 548 /* Maybe r0 is 'argc'. We are booted by command 'go'. */ 549 process_kernel_args((int)u_boot_args[r0], 550 (char **)u_boot_args[r1]); 551 else 552 /* 553 * Maybe r3 is 'boot args string' of 'bootm'. This string is 554 * linely. 555 */ 556 process_kernel_args_liner((char *)u_boot_args[r3]); 557 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 558 consinit(); 559 #endif 560 561 /* Talk to the user */ 562 #define BDSTR(s) _BDSTR(s) 563 #define _BDSTR(s) #s 564 printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n"); 565 566 /* Read system serial */ 567 #if defined(GUMSTIX) 568 read_system_serial(); 569 #endif 570 571 #ifdef VERBOSE_INIT_ARM 572 printf("initarm: Configuring system ...\n"); 573 #endif 574 575 #if defined(OMAP_4430) 576 const bus_space_tag_t iot = &omap_bs_tag; 577 bus_space_handle_t ioh; 578 579 #if NARML2CC > 0 580 /* 581 * Initialize L2-Cache parameters 582 */ 583 584 if (bus_space_map(iot, OMAP4_L2CC_BASE, OMAP4_L2CC_SIZE, 0, &ioh) != 0) 585 panic("OMAP4_L2CC_BASE map failed\n"); 586 arml2cc_init(iot, ioh, 0); 587 #endif 588 589 #ifdef MULTIPROCESSOR 590 if (bus_space_map(iot, OMAP4_SCU_BASE, SCU_SIZE, 0, &ioh) != 0) 591 panic("OMAP4_SCU_BASE map failed\n"); 592 arm_cpu_max = 593 1 + (bus_space_read_4(iot, ioh, SCU_CFG) & SCU_CFG_CPUMAX); 594 #endif 595 #endif 596 597 /* Fake bootconfig structure for the benefit of pmap.c */ 598 /* XXX must make the memory description h/w independent */ 599 bootconfig.dramblocks = 1; 600 bootconfig.dram[0].address = SDRAM_START; 601 bootconfig.dram[0].pages = ram_size / PAGE_SIZE; 602 603 KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE); 604 605 arm32_bootmem_init(bootconfig.dram[0].address, ram_size, 606 (uintptr_t) KERNEL_BASE_phys); 607 arm32_kernel_vm_init(KERNEL_VM_BASE, 608 #if defined(CPU_XSCALE) 609 ARM_VECTORS_LOW, 610 #elif defined(CPU_CORTEX) 611 ARM_VECTORS_HIGH, 612 #endif 613 0, gumstix_devmap, true); 614 615 evbarm_device_register = gumstix_device_register; 616 617 return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0); 618 } 619 620 #if defined(GUMSTIX) 621 static void 622 read_system_serial(void) 623 { 624 #define GUMSTIX_SYSTEM_SERIAL_ADDR 0 625 #define GUMSTIX_SYSTEM_SERIAL_SIZE 8 626 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 627 #define FLASH_OFFSET_USER_PROTECTION 0x85 628 #define FLASH_CMD_READ_ID 0x90 629 #define FLASH_CMD_RESET 0xff 630 int i; 631 char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src; 632 char x; 633 634 src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/); 635 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 636 memcpy(system_serial, 637 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 638 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 639 640 for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++) 641 x &= system_serial[i]; 642 if (x == 0xff) { 643 src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/); 644 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 645 memcpy(system_serial, 646 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 647 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 648 649 /* 650 * XXXX: Don't need ??? 651 * gumstix_serial_hash(system_serial); 652 */ 653 } 654 system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 | 655 system_serial[2] << 8 | system_serial[3]; 656 system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 | 657 system_serial[6] << 8 | system_serial[7]; 658 659 printf("system serial: 0x"); 660 for (i = 0; i < sizeof (system_serial); i++) 661 printf("%02x", system_serial[i]); 662 printf("\n"); 663 } 664 #endif 665 666 #if defined(OMAP2) 667 static void 668 omap_reset(void) 669 { 670 671 #if defined(TI_AM335X) 672 vaddr_t prm_base = (PEPPER_PRCM_VBASE + AM335X_PRCM_PRM_DEVICE); 673 674 *(volatile uint32_t *)(prm_base + PRM_RSTCTRL) = RST_GLOBAL_WARM_SW; 675 #elif defined(OMAP_4430) 676 *(volatile uint32_t *)(DUOVERO_L4_WAKEUP_VBASE + OMAP4_PRM_RSTCTRL) = 677 OMAP4_PRM_RSTCTRL_WARM; 678 #endif 679 680 #if NPRCM > 0 681 prcm_cold_reset(); 682 #endif 683 } 684 685 static void 686 find_cpu_clock(void) 687 { 688 const vaddr_t prm_base __unused = OMAP2_PRM_BASE; 689 const vaddr_t cm_base = OMAP2_CM_BASE; 690 691 #if defined(OMAP_3530) 692 693 const uint32_t prm_clksel = 694 *(volatile uint32_t *)(prm_base + PLL_MOD + OMAP3_PRM_CLKSEL); 695 static const uint32_t prm_clksel_freqs[] = OMAP3_PRM_CLKSEL_FREQS; 696 const uint32_t sys_clk = 697 prm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP3_PRM_CLKSEL_CLKIN)]; 698 const uint32_t dpll1 = 699 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL1_PLL_MPU); 700 const uint32_t dpll2 = 701 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL2_PLL_MPU); 702 const uint32_t m = 703 __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_MULT); 704 const uint32_t n = __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_DIV); 705 const uint32_t m2 = 706 __SHIFTOUT(dpll2, OMAP3_CM_CLKSEL2_PLL_MPU_DPLL_CLKOUT_DIV); 707 708 /* 709 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 710 */ 711 curcpu()->ci_data.cpu_cc_freq = 712 ((sys_clk * m) / ((n + 1) * m2 * 2)) * OMAP3_PRM_CLKSEL_MULT; 713 omap_sys_clk = sys_clk * OMAP3_PRM_CLKSEL_MULT; 714 715 #elif defined(OMAP_4430) 716 717 const uint32_t prm_clksel = 718 *(volatile uint32_t *)(prm_base + OMAP4_CM_SYS_CLKSEL); 719 static const uint32_t cm_clksel_freqs[] = OMAP4_CM_CLKSEL_FREQS; 720 const uint32_t sys_clk = 721 cm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP4_CM_SYS_CLKSEL_CLKIN)]; 722 const uint32_t dpll1 = 723 *(volatile uint32_t *)(cm_base + OMAP4_CM_CLKSEL_DPLL_MPU); 724 const uint32_t dpll2 = 725 *(volatile uint32_t *)(cm_base + OMAP4_CM_DIV_M2_DPLL_MPU); 726 const uint32_t m = 727 __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_MULT); 728 const uint32_t n = __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_DIV); 729 const uint32_t m2 = 730 __SHIFTOUT(dpll2, OMAP4_CM_DIV_M2_DPLL_MPU_DPLL_CLKOUT_DIV); 731 732 /* 733 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 734 */ 735 curcpu()->ci_data.cpu_cc_freq = 736 ((sys_clk * 2 * m) / ((n + 1) * m2)) * OMAP4_CM_CLKSEL_MULT / 2; 737 omap_sys_clk = sys_clk * OMAP4_CM_CLKSEL_MULT; 738 739 #elif defined(TI_AM335X) 740 741 prcm_bootstrap(cm_base); 742 am335x_sys_clk(TI_AM335X_CTLMOD_BASE); 743 am335x_cpu_clk(); 744 745 #endif 746 } 747 #endif 748 749 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 750 static const char busheader_name[] = "busheader="; 751 #endif 752 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 753 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 754 static const char expansion_name[] = "expansion="; 755 #endif 756 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 757 static const char console_name[] = "console="; 758 #endif 759 static void 760 process_kernel_args(int argc, char *argv[]) 761 { 762 int gxio_configured = 0, i, j; 763 764 boothowto = 0; 765 766 for (i = 1, j = 0; i < argc; i++) { 767 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 768 if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) { 769 /* Configure for GPIOs of busheader side */ 770 gxio_config_expansion(argv[i] + strlen(busheader_name)); 771 gxio_configured = 1; 772 continue; 773 } 774 #endif 775 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 776 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 777 if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) { 778 /* Configure expansion */ 779 gxio_config_expansion(argv[i] + strlen(expansion_name)); 780 gxio_configured = 1; 781 continue; 782 } 783 #endif 784 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 785 if (!strncmp(argv[i], console_name, strlen(console_name))) { 786 strncpy(console, argv[i] + strlen(console_name), 787 sizeof(console)); 788 consinit(); 789 } 790 #endif 791 if (j == bootargs_len) { 792 *(bootargs + j) = '\0'; 793 continue; 794 } 795 if (j != 0) 796 *(bootargs + j++) = ' '; 797 strncpy(bootargs + j, argv[i], bootargs_len - j); 798 bootargs[bootargs_len] = '\0'; 799 j += strlen(argv[i]); 800 } 801 boot_args = bootargs; 802 803 parse_mi_bootargs(boot_args); 804 805 if (!gxio_configured) 806 gxio_config_expansion(NULL); 807 } 808 809 static void 810 process_kernel_args_liner(char *args) 811 { 812 int i = 0; 813 char *p = NULL; 814 815 boothowto = 0; 816 817 strncpy(bootargs, args, sizeof(bootargs)); 818 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 819 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 820 { 821 char *q; 822 823 if ((p = strstr(bootargs, expansion_name))) 824 q = p + strlen(expansion_name); 825 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 826 else if ((p = strstr(bootargs, busheader_name))) 827 q = p + strlen(busheader_name); 828 #endif 829 if (p) { 830 char expansion[256], c; 831 832 i = 0; 833 do { 834 c = *(q + i); 835 if (c == ' ') 836 c = '\0'; 837 expansion[i++] = c; 838 } while (c != '\0' && i < sizeof(expansion)); 839 gxio_config_expansion(expansion); 840 strcpy(p, q + i); 841 } 842 } 843 #endif 844 if (p == NULL) 845 gxio_config_expansion(NULL); 846 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 847 p = strstr(bootargs, console_name); 848 if (p != NULL) { 849 char c; 850 851 i = 0; 852 do { 853 c = *(p + strlen(console_name) + i); 854 if (c == ' ') 855 c = '\0'; 856 console[i++] = c; 857 } while (c != '\0' && i < sizeof(console)); 858 consinit(); 859 strcpy(p, p + strlen(console_name) + i); 860 } 861 #endif 862 boot_args = bootargs; 863 864 parse_mi_bootargs(boot_args); 865 } 866 867 #ifdef KGDB 868 #ifndef KGDB_DEVNAME 869 #define KGDB_DEVNAME "ffuart" 870 #endif 871 const char kgdb_devname[] = KGDB_DEVNAME; 872 873 #ifndef KGDB_DEVRATE 874 #define KGDB_DEVRATE CONSPEED 875 #endif 876 int kgdb_devrate = KGDB_DEVRATE; 877 878 #if (NCOM > 0) 879 #ifndef KGDB_DEVMODE 880 #define KGDB_DEVMODE CONMODE 881 #endif 882 int comkgdbmode = KGDB_DEVMODE; 883 #endif /* NCOM */ 884 885 #endif /* KGDB */ 886 887 888 void 889 consinit(void) 890 { 891 static int consinit_called = 0; 892 893 if (consinit_called != 0) 894 return; 895 896 consinit_called = 1; 897 898 #if NCOM > 0 899 900 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 901 /* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */ 902 if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') { 903 int i; 904 905 comcnspeed = 0; 906 for (i = 6; i < strlen(console) && isdigit(console[i]); i++) 907 comcnspeed = comcnspeed * 10 + (console[i] - '0'); 908 } 909 #endif 910 911 #if defined(GUMSTIX) 912 913 #ifdef FFUARTCONSOLE 914 #ifdef KGDB 915 if (strcmp(kgdb_devname, "ffuart") == 0){ 916 /* port is reserved for kgdb */ 917 } else 918 #endif 919 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 920 if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 || 921 strncmp(console, "ttyS0,", 6) == 0) 922 #endif 923 { 924 int rv; 925 926 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE, 927 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 928 if (rv == 0) { 929 pxa2x0_clkman_config(CKEN_FFUART, 1); 930 return; 931 } 932 } 933 #endif /* FFUARTCONSOLE */ 934 935 #ifdef STUARTCONSOLE 936 #ifdef KGDB 937 if (strcmp(kgdb_devname, "stuart") == 0) { 938 /* port is reserved for kgdb */ 939 } else 940 #endif 941 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 942 if (console[0] == '\0' || strcasecmp(console, "stuart") == 0) 943 #endif 944 { 945 int rv; 946 947 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE, 948 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 949 if (rv == 0) { 950 pxa2x0_clkman_config(CKEN_STUART, 1); 951 return; 952 } 953 } 954 #endif /* STUARTCONSOLE */ 955 956 #ifdef BTUARTCONSOLE 957 #ifdef KGDB 958 if (strcmp(kgdb_devname, "btuart") == 0) { 959 /* port is reserved for kgdb */ 960 } else 961 #endif 962 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 963 if (console[0] == '\0' || strcasecmp(console, "btuart") == 0) 964 #endif 965 { 966 int rv; 967 968 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE, 969 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 970 if (rv == 0) { 971 pxa2x0_clkman_config(CKEN_BTUART, 1); 972 return; 973 } 974 } 975 #endif /* BTUARTCONSOLE */ 976 977 #ifdef HWUARTCONSOLE 978 #ifdef KGDB 979 if (strcmp(kgdb_devname, "hwuart") == 0) { 980 /* port is reserved for kgdb */ 981 } else 982 #endif 983 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 984 if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0) 985 #endif 986 { 987 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE, 988 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 989 if (rv == 0) { 990 pxa2x0_clkman_config(CKEN_HWUART, 1); 991 return; 992 } 993 } 994 #endif /* HWUARTCONSOLE */ 995 996 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 997 998 if (comcnattach(&omap_a4x_bs_tag, CONSADDR, comcnspeed, 999 OMAP_COM_FREQ, COM_TYPE_NORMAL, comcnmode) == 0) 1000 return; 1001 1002 #endif /* GUMSTIX or OVERO */ 1003 1004 #endif /* NCOM */ 1005 1006 #if NLCD > 0 1007 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1008 if (console[0] == '\0' || strcasecmp(console, "lcd") == 0) 1009 #endif 1010 { 1011 gxlcd_cnattach(); 1012 } 1013 #endif 1014 } 1015 1016 #ifdef KGDB 1017 static void 1018 kgdb_port_init(void) 1019 { 1020 #if (NCOM > 0) && defined(COM_PXA2X0) 1021 paddr_t paddr = 0; 1022 int cken = 0; 1023 1024 if (0 == strcmp(kgdb_devname, "ffuart")) { 1025 paddr = PXA2X0_FFUART_BASE; 1026 cken = CKEN_FFUART; 1027 } else if (0 == strcmp(kgdb_devname, "stuart")) { 1028 paddr = PXA2X0_STUART_BASE; 1029 cken = CKEN_STUART; 1030 } else if (0 == strcmp(kgdb_devname, "btuart")) { 1031 paddr = PXA2X0_BTUART_BASE; 1032 cken = CKEN_BTUART; 1033 } else if (0 == strcmp(kgdb_devname, "hwuart")) { 1034 paddr = PXA2X0_HWUART_BASE; 1035 cken = CKEN_HWUART; 1036 } 1037 1038 if (paddr && 1039 0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr, 1040 kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) { 1041 1042 pxa2x0_clkman_config(cken, 1); 1043 } 1044 1045 #endif 1046 } 1047 #endif 1048 1049 static void 1050 gumstix_device_register(device_t dev, void *aux) 1051 { 1052 prop_dictionary_t dict = device_properties(dev); 1053 1054 if (device_is_a(dev, "a9tmr") || 1055 device_is_a(dev, "a9wdt")) { 1056 /* 1057 * We need to tell the A9 Global/Watchdog Timer 1058 * what frequency it runs at. 1059 */ 1060 1061 /* 1062 * This clock always runs at (arm_clk div 2) and only goes 1063 * to timers that are part of the A9 MP core subsystem. 1064 */ 1065 prop_dictionary_set_uint32(dict, "frequency", 1066 curcpu()->ci_data.cpu_cc_freq / 2); 1067 } 1068 if (device_is_a(dev, "armperiph")) { 1069 if (device_is_a(device_parent(dev), "mainbus")) { 1070 #if defined(OMAP2) 1071 /* 1072 * XXX KLUDGE ALERT XXX 1073 * The iot mainbus supplies is completely wrong since 1074 * it scales addresses by 2. The simpliest remedy is 1075 * to replace with our bus space used for the armcore 1076 * registers (which armperiph uses). 1077 */ 1078 struct mainbus_attach_args * const mb = aux; 1079 mb->mb_iot = &omap_bs_tag; 1080 #endif 1081 } 1082 } 1083 if (device_is_a(dev, "ehci")) { 1084 #if defined(OVERO) 1085 prop_dictionary_set_uint16(dict, "nports", 2); 1086 prop_dictionary_set_bool(dict, "phy-reset", true); 1087 prop_dictionary_set_cstring(dict, "port0-mode", "none"); 1088 prop_dictionary_set_int16(dict, "port0-gpio", -1); 1089 prop_dictionary_set_cstring(dict, "port1-mode", "phy"); 1090 prop_dictionary_set_int16(dict, "port1-gpio", 183); 1091 prop_dictionary_set_bool(dict, "port1-gpioval", true); 1092 #elif defined(DUOVERO) 1093 prop_dictionary_set_uint16(dict, "nports", 1); 1094 prop_dictionary_set_bool(dict, "phy-reset", true); 1095 prop_dictionary_set_cstring(dict, "port0-mode", "phy"); 1096 prop_dictionary_set_int16(dict, "port0-gpio", 62); 1097 prop_dictionary_set_bool(dict, "port0-gpioval", false); 1098 prop_dictionary_set_bool(dict, "port0-extclk", true); 1099 #endif 1100 prop_dictionary_set_uint16(dict, "dpll5-m", 443); 1101 prop_dictionary_set_uint16(dict, "dpll5-n", 11); 1102 prop_dictionary_set_uint16(dict, "dpll5-m2", 4); 1103 } 1104 if (device_is_a(dev, "ohci")) { 1105 if (prop_dictionary_set_bool(dict, 1106 "Ganged-power-mask-on-port1", 1) == false) { 1107 printf("WARNING: unable to set power-mask for port1" 1108 " property for %s\n", device_xname(dev)); 1109 } 1110 if (prop_dictionary_set_bool(dict, 1111 "Ganged-power-mask-on-port2", 1) == false) { 1112 printf("WARNING: unable to set power-mask for port2" 1113 " property for %s\n", device_xname(dev)); 1114 } 1115 if (prop_dictionary_set_bool(dict, 1116 "Ganged-power-mask-on-port3", 1) == false) { 1117 printf("WARNING: unable to set power-mask for port3" 1118 " property for %s\n", device_xname(dev)); 1119 } 1120 } 1121 if (device_is_a(dev, "omapmputmr")) { 1122 struct obio_attach_args *obio = aux; 1123 1124 switch (obio->obio_addr) { 1125 case 0x49032000: /* GPTIMER2 */ 1126 case 0x49034000: /* GPTIMER3 */ 1127 case 0x49036000: /* GPTIMER4 */ 1128 case 0x49038000: /* GPTIMER5 */ 1129 case 0x4903a000: /* GPTIMER6 */ 1130 case 0x4903c000: /* GPTIMER7 */ 1131 case 0x4903e000: /* GPTIMER8 */ 1132 case 0x49040000: /* GPTIMER9 */ 1133 #if defined(OVERO) 1134 { 1135 /* Ensure enable PRCM.CM_[FI]CLKEN_PER[3:10]. */ 1136 const int en = 1137 1 << (((obio->obio_addr >> 13) & 0x3f) - 0x16); 1138 1139 ioreg_write(OVERO_L4_CORE_VBASE + 0x5000, 1140 ioreg_read(OVERO_L4_CORE_VBASE + 0x5000) | en); 1141 ioreg_write(OVERO_L4_CORE_VBASE + 0x5010, 1142 ioreg_read(OVERO_L4_CORE_VBASE + 0x5010) | en); 1143 } 1144 #endif 1145 break; 1146 } 1147 } 1148 if (device_is_a(dev, "sdhc")) { 1149 bool dualvolt = false; 1150 1151 #if defined(OVERO) || defined(DUOVERO) 1152 if (device_is_a(device_parent(dev), "obio")) { 1153 struct obio_attach_args *obio = aux; 1154 1155 #if defined(OVERO) 1156 if (obio->obio_addr == SDMMC2_BASE_3530) 1157 dualvolt = true; 1158 #elif defined(DUOVERO) 1159 if (obio->obio_addr == SDMMC5_BASE_4430) 1160 dualvolt = true; 1161 #endif 1162 } 1163 #endif 1164 #if defined(PEPPER) 1165 if (device_is_a(device_parent(dev), "mainbus")) { 1166 struct mainbus_attach_args * const mb = aux; 1167 1168 if (mb->mb_iobase == SDMMC3_BASE_TIAM335X) 1169 dualvolt = true; 1170 } 1171 #endif 1172 prop_dictionary_set_bool(dict, "dual-volt", dualvolt); 1173 } 1174 if (device_is_a(dev, "tifb")) { 1175 prop_data_t panel_info; 1176 1177 panel_info = prop_data_create_data_nocopy(tifb_panel_info, 1178 sizeof(struct tifb_panel_info)); 1179 KASSERT(panel_info != NULL); 1180 prop_dictionary_set(dict, "panel-info", panel_info); 1181 prop_object_release(panel_info); 1182 1183 #if defined(OMAP2) 1184 /* enable LCD */ 1185 omap2_gpio_ctl(59, GPIO_PIN_OUTPUT); 1186 omap2_gpio_write(59, 0); /* reset */ 1187 delay(100); 1188 omap2_gpio_write(59, 1); 1189 #endif 1190 } 1191 if (device_is_a(dev, "tps65217pmic")) { 1192 #if defined(TI_AM335X) 1193 extern const char *mpu_supply; 1194 1195 mpu_supply = "DCDC3"; 1196 #endif 1197 1198 if (use_tps65217_wled) { 1199 prop_dictionary_set_int32(dict, "isel", 1); 1200 prop_dictionary_set_int32(dict, "fdim", 200); 1201 prop_dictionary_set_int32(dict, "brightness", 80); 1202 } 1203 } 1204 } 1205
Indexes created Wed Oct 29 12:09:47 GMT 2025