gumstix_machdep.c revision 1.55
1 /* $NetBSD: gumstix_machdep.c,v 1.55 2016/10/18 14:39:52 kiyohara Exp $ */ 2 /* 3 * Copyright (C) 2005, 2006, 2007 WIDE Project and SOUM Corporation. 4 * All rights reserved. 5 * 6 * Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM 7 * Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the name of SOUM Corporation 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM CORPORATION ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT AND SOUM CORPORATION 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 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 - 0xcfffffff is available for kernel VM space 210 * Core-logic registers and I/O mappings occupy 0xfd000000 - 0xffffffff 211 */ 212 #ifndef KERNEL_VM_BASE 213 #define KERNEL_VM_BASE 0xc1000000 214 #endif 215 #define KERNEL_VM_SIZE 0x0f000000 216 217 BootConfig bootconfig; /* Boot config storage */ 218 static char bootargs[MAX_BOOT_STRING]; 219 const size_t bootargs_len = sizeof(bootargs) - 1; /* without nul */ 220 char *boot_args = NULL; 221 222 uint32_t system_serial_high; 223 uint32_t system_serial_low; 224 225 /* Prototypes */ 226 #if defined(GUMSTIX) 227 static void read_system_serial(void); 228 #endif 229 #if defined(OMAP2) 230 static void omap_reset(void); 231 static void find_cpu_clock(void); 232 #endif 233 static void process_kernel_args(int, char *[]); 234 static void process_kernel_args_liner(char *); 235 #ifdef KGDB 236 static void kgdb_port_init(void); 237 #endif 238 static void gumstix_device_register(device_t, void *); 239 240 bs_protos(bs_notimpl); 241 242 #include "com.h" 243 #if NCOM > 0 244 #include <dev/ic/comreg.h> 245 #include <dev/ic/comvar.h> 246 #endif 247 248 #if defined(CPU_XSCALE) 249 #include "lcd.h" 250 #endif 251 252 #ifndef CONSPEED 253 #define CONSPEED B115200 /* It's a setting of the default of u-boot */ 254 #endif 255 #ifndef CONMODE 256 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 257 #endif 258 259 int comcnspeed = CONSPEED; 260 int comcnmode = CONMODE; 261 262 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 263 static char console[16]; 264 #endif 265 266 const struct tifb_panel_info *tifb_panel_info = NULL; 267 /* Use TPS65217 White LED Driver */ 268 bool use_tps65217_wled = false; 269 270 extern void gxio_config(void); 271 extern void gxio_config_expansion(char *); 272 273 274 static inline pd_entry_t * 275 read_ttb(void) 276 { 277 long ttb; 278 279 __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb)); 280 281 return (pd_entry_t *)(ttb & ~((1<<14)-1)); 282 } 283 284 /* 285 * Static device mappings. These peripheral registers are mapped at 286 * fixed virtual addresses very early in initarm() so that we can use 287 * them while booting the kernel, and stay at the same address 288 * throughout whole kernel's life time. 289 * 290 * We use this table twice; once with bootstrap page table, and once 291 * with kernel's page table which we build up in initarm(). 292 * 293 * Since we map these registers into the bootstrap page table using 294 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 295 * registers segment-aligned and segment-rounded in order to avoid 296 * using the 2nd page tables. 297 */ 298 299 #define _A(a) ((a) & ~L1_S_OFFSET) 300 #define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1)) 301 302 static const struct pmap_devmap gumstix_devmap[] = { 303 #if defined(GUMSTIX) 304 { 305 GUMSTIX_GPIO_VBASE, 306 _A(PXA2X0_GPIO_BASE), 307 _S(PXA250_GPIO_SIZE), 308 VM_PROT_READ | VM_PROT_WRITE, 309 PTE_NOCACHE, 310 }, 311 { 312 GUMSTIX_CLKMAN_VBASE, 313 _A(PXA2X0_CLKMAN_BASE), 314 _S(PXA2X0_CLKMAN_SIZE), 315 VM_PROT_READ | VM_PROT_WRITE, 316 PTE_NOCACHE, 317 }, 318 { 319 GUMSTIX_INTCTL_VBASE, 320 _A(PXA2X0_INTCTL_BASE), 321 _S(PXA2X0_INTCTL_SIZE), 322 VM_PROT_READ | VM_PROT_WRITE, 323 PTE_NOCACHE, 324 }, 325 { 326 GUMSTIX_FFUART_VBASE, 327 _A(PXA2X0_FFUART_BASE), 328 _S(4 * COM_NPORTS), 329 VM_PROT_READ | VM_PROT_WRITE, 330 PTE_NOCACHE, 331 }, 332 { 333 GUMSTIX_STUART_VBASE, 334 _A(PXA2X0_STUART_BASE), 335 _S(4 * COM_NPORTS), 336 VM_PROT_READ | VM_PROT_WRITE, 337 PTE_NOCACHE, 338 }, 339 { 340 GUMSTIX_BTUART_VBASE, 341 _A(PXA2X0_BTUART_BASE), 342 _S(4 * COM_NPORTS), 343 VM_PROT_READ | VM_PROT_WRITE, 344 PTE_NOCACHE, 345 }, 346 { 347 GUMSTIX_HWUART_VBASE, 348 _A(PXA2X0_HWUART_BASE), 349 _S(4 * COM_NPORTS), 350 VM_PROT_READ | VM_PROT_WRITE, 351 PTE_NOCACHE, 352 }, 353 { 354 GUMSTIX_LCDC_VBASE, 355 _A(PXA2X0_LCDC_BASE), 356 _S(4 * COM_NPORTS), 357 VM_PROT_READ | VM_PROT_WRITE, 358 PTE_NOCACHE, 359 }, 360 #elif defined(OVERO) 361 { /* SCM, PRCM */ 362 OVERO_L4_CORE_VBASE, 363 _A(OMAP3530_L4_CORE_BASE), 364 _S(L1_S_SIZE), /* No need 16MB. Use only first 1MB */ 365 VM_PROT_READ | VM_PROT_WRITE, 366 PTE_NOCACHE 367 }, 368 { /* Console, GPIO[2-6] */ 369 OVERO_L4_PERIPHERAL_VBASE, 370 _A(OMAP3530_L4_PERIPHERAL_BASE), 371 _S(OMAP3530_L4_PERIPHERAL_SIZE), 372 VM_PROT_READ | VM_PROT_WRITE, 373 PTE_NOCACHE 374 }, 375 { /* GPIO1 */ 376 OVERO_L4_WAKEUP_VBASE, 377 _A(OMAP3530_L4_WAKEUP_BASE), 378 _S(OMAP3530_L4_WAKEUP_SIZE), 379 VM_PROT_READ | VM_PROT_WRITE, 380 PTE_NOCACHE 381 }, 382 { 383 OVERO_GPMC_VBASE, 384 _A(GPMC_BASE), 385 _S(GPMC_SIZE), 386 VM_PROT_READ | VM_PROT_WRITE, 387 PTE_NOCACHE 388 }, 389 #elif defined(DUOVERO) 390 { 391 DUOVERO_L4_CM_VBASE, 392 _A(OMAP4430_L4_CORE_BASE + 0x100000), 393 _S(L1_S_SIZE), 394 VM_PROT_READ | VM_PROT_WRITE, 395 PTE_NOCACHE 396 }, 397 { /* Console, SCU, L2CC, GPIO[2-6] */ 398 DUOVERO_L4_PERIPHERAL_VBASE, 399 _A(OMAP4430_L4_PERIPHERAL_BASE), 400 _S(L1_S_SIZE * 3), 401 VM_PROT_READ | VM_PROT_WRITE, 402 PTE_NOCACHE 403 }, 404 { /* PRCM, GPIO1 */ 405 DUOVERO_L4_WAKEUP_VBASE, 406 _A(OMAP4430_L4_WAKEUP_BASE), 407 _S(OMAP4430_L4_WAKEUP_SIZE), 408 VM_PROT_READ | VM_PROT_WRITE, 409 PTE_NOCACHE 410 }, 411 { 412 DUOVERO_GPMC_VBASE, 413 _A(GPMC_BASE), 414 _S(GPMC_SIZE), 415 VM_PROT_READ | VM_PROT_WRITE, 416 PTE_NOCACHE 417 }, 418 #elif defined(PEPPER) 419 { 420 /* CM, Control Module, GPIO0, Console */ 421 PEPPER_PRCM_VBASE, 422 _A(OMAP2_CM_BASE), 423 _S(L1_S_SIZE), 424 VM_PROT_READ | VM_PROT_WRITE, 425 PTE_NOCACHE 426 }, 427 { 428 /* GPIO[1-3] */ 429 PEPPER_L4_PERIPHERAL_VBASE, 430 _A(TI_AM335X_L4_PERIPHERAL_BASE), 431 _S(L1_S_SIZE), 432 VM_PROT_READ | VM_PROT_WRITE, 433 PTE_NOCACHE 434 }, 435 #endif 436 { 0, 0, 0, 0, 0 } 437 }; 438 439 #undef _A 440 #undef _S 441 442 443 /* 444 * u_int initarm(...) 445 * 446 * Initial entry point on startup. This gets called before main() is 447 * entered. 448 * It should be responsible for setting up everything that must be 449 * in place when main is called. 450 * This includes 451 * Taking a copy of the boot configuration structure. 452 * Initialising the physical console so characters can be printed. 453 * Setting up page tables for the kernel 454 * Relocating the kernel to the bottom of physical memory 455 */ 456 u_int 457 initarm(void *arg) 458 { 459 extern char KERNEL_BASE_phys[]; 460 extern uint32_t *u_boot_args[]; 461 extern uint32_t ram_size; 462 enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */ 463 464 /* 465 * We mapped PA == VA in gumstix_start.S. 466 * Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable. 467 * 468 * Gumstix (basix, connex, verdex, verdex-pro): 469 * Physical Address Range Description 470 * ----------------------- ---------------------------------- 471 * 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB) 472 * 0x40000000 - 0x480fffff Processor Registers 473 * 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB) 474 * 0xc0000000 - 0xc3ffffff KERNEL_BASE 475 * 476 * Overo: 477 * Physical Address Range Description 478 * ----------------------- ---------------------------------- 479 * 0x80000000 - 0x9fffffff SDRAM Bank 0 480 * 0x80000000 - 0x83ffffff KERNEL_BASE 481 * 482 * DuoVero, Pepper: 483 * Physical Address Range Description 484 * ----------------------- ---------------------------------- 485 * 0x80000000 - 0xbfffffff SDRAM Bank 0 486 * 0x80000000 - 0x83ffffff KERNEL_BASE 487 */ 488 489 #if defined(CPU_XSCALE) 490 cpu_reset_address = NULL; 491 #elif defined(OMAP2) 492 cpu_reset_address = omap_reset; 493 494 find_cpu_clock(); 495 #endif 496 497 /* 498 * Heads up ... Setup the CPU / MMU / TLB functions 499 */ 500 if (set_cpufuncs()) 501 panic("cpu not recognized!"); 502 503 /* map some peripheral registers at static I/O area */ 504 pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap); 505 506 #if defined(CPU_XSCALE) 507 /* start 32.768kHz OSC */ 508 ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON); 509 510 /* Get ready for splfoo() */ 511 pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE); 512 513 /* setup GPIO for {FF,ST,HW}UART. */ 514 pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE); 515 516 pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE); 517 #endif 518 519 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 520 521 /* configure MUX, GPIO and CLK. */ 522 gxio_config(); 523 524 #ifndef GUMSTIX_NETBSD_ARGS_CONSOLE 525 consinit(); 526 #endif 527 #ifdef KGDB 528 kgdb_port_init(); 529 #endif 530 531 /* 532 * Examine the boot args string for options we need to know about 533 * now. 534 */ 535 #if defined(GUMSTIX) 536 #define SDRAM_START 0xa0000000UL 537 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 538 #define SDRAM_START 0x80000000UL 539 #endif 540 if ((uint32_t)u_boot_args[r0] < SDRAM_START || 541 (uint32_t)u_boot_args[r0] >= SDRAM_START + ram_size) 542 /* Maybe r0 is 'argc'. We are booted by command 'go'. */ 543 process_kernel_args((int)u_boot_args[r0], 544 (char **)u_boot_args[r1]); 545 else 546 /* 547 * Maybe r3 is 'boot args string' of 'bootm'. This string is 548 * linely. 549 */ 550 process_kernel_args_liner((char *)u_boot_args[r3]); 551 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 552 consinit(); 553 #endif 554 555 /* Talk to the user */ 556 #define BDSTR(s) _BDSTR(s) 557 #define _BDSTR(s) #s 558 printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n"); 559 560 /* Read system serial */ 561 #if defined(GUMSTIX) 562 read_system_serial(); 563 #endif 564 565 #ifdef VERBOSE_INIT_ARM 566 printf("initarm: Configuring system ...\n"); 567 #endif 568 569 #if defined(OMAP_4430) 570 const bus_space_tag_t iot = &omap_bs_tag; 571 bus_space_handle_t ioh; 572 573 #if NARML2CC > 0 574 /* 575 * Initialize L2-Cache parameters 576 */ 577 578 if (bus_space_map(iot, OMAP4_L2CC_BASE, OMAP4_L2CC_SIZE, 0, &ioh) != 0) 579 panic("OMAP4_L2CC_BASE map failed\n"); 580 arml2cc_init(iot, ioh, 0); 581 #endif 582 583 #ifdef MULTIPROCESSOR 584 if (bus_space_map(iot, OMAP4_SCU_BASE, SCU_SIZE, 0, &ioh) != 0) 585 panic("OMAP4_SCU_BASE map failed\n"); 586 arm_cpu_max = 587 1 + (bus_space_read_4(iot, ioh, SCU_CFG) & SCU_CFG_CPUMAX); 588 #endif 589 #endif 590 591 /* Fake bootconfig structure for the benefit of pmap.c */ 592 /* XXX must make the memory description h/w independent */ 593 bootconfig.dramblocks = 1; 594 bootconfig.dram[0].address = SDRAM_START; 595 bootconfig.dram[0].pages = ram_size / PAGE_SIZE; 596 597 KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE); 598 599 arm32_bootmem_init(bootconfig.dram[0].address, ram_size, 600 (uintptr_t) KERNEL_BASE_phys); 601 arm32_kernel_vm_init(KERNEL_VM_BASE, 602 #if defined(CPU_XSCALE) 603 ARM_VECTORS_LOW, 604 #elif defined(CPU_CORTEX) 605 ARM_VECTORS_HIGH, 606 #endif 607 0, gumstix_devmap, true); 608 609 evbarm_device_register = gumstix_device_register; 610 611 return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0); 612 } 613 614 #if defined(GUMSTIX) 615 static void 616 read_system_serial(void) 617 { 618 #define GUMSTIX_SYSTEM_SERIAL_ADDR 0 619 #define GUMSTIX_SYSTEM_SERIAL_SIZE 8 620 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 621 #define FLASH_OFFSET_USER_PROTECTION 0x85 622 #define FLASH_CMD_READ_ID 0x90 623 #define FLASH_CMD_RESET 0xff 624 int i; 625 char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src; 626 char x; 627 628 src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/); 629 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 630 memcpy(system_serial, 631 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 632 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 633 634 for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++) 635 x &= system_serial[i]; 636 if (x == 0xff) { 637 src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/); 638 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 639 memcpy(system_serial, 640 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 641 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 642 643 /* 644 * XXXX: Don't need ??? 645 * gumstix_serial_hash(system_serial); 646 */ 647 } 648 system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 | 649 system_serial[2] << 8 | system_serial[3]; 650 system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 | 651 system_serial[6] << 8 | system_serial[7]; 652 653 printf("system serial: 0x"); 654 for (i = 0; i < sizeof (system_serial); i++) 655 printf("%02x", system_serial[i]); 656 printf("\n"); 657 } 658 #endif 659 660 #if defined(OMAP2) 661 static void 662 omap_reset(void) 663 { 664 665 #if defined(TI_AM335X) 666 vaddr_t prm_base = (PEPPER_PRCM_VBASE + AM335X_PRCM_PRM_DEVICE); 667 668 *(volatile uint32_t *)(prm_base + PRM_RSTCTRL) = RST_GLOBAL_WARM_SW; 669 #elif defined(OMAP_4430) 670 *(volatile uint32_t *)(DUOVERO_L4_WAKEUP_VBASE + OMAP4_PRM_RSTCTRL) = 671 OMAP4_PRM_RSTCTRL_WARM; 672 #endif 673 674 #if NPRCM > 0 675 prcm_cold_reset(); 676 #endif 677 } 678 679 static void 680 find_cpu_clock(void) 681 { 682 const vaddr_t prm_base __unused = OMAP2_PRM_BASE; 683 const vaddr_t cm_base = OMAP2_CM_BASE; 684 685 #if defined(OMAP_3530) 686 687 const uint32_t prm_clksel = 688 *(volatile uint32_t *)(prm_base + PLL_MOD + OMAP3_PRM_CLKSEL); 689 static const uint32_t prm_clksel_freqs[] = OMAP3_PRM_CLKSEL_FREQS; 690 const uint32_t sys_clk = 691 prm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP3_PRM_CLKSEL_CLKIN)]; 692 const uint32_t dpll1 = 693 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL1_PLL_MPU); 694 const uint32_t dpll2 = 695 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL2_PLL_MPU); 696 const uint32_t m = 697 __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_MULT); 698 const uint32_t n = __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_DIV); 699 const uint32_t m2 = 700 __SHIFTOUT(dpll2, OMAP3_CM_CLKSEL2_PLL_MPU_DPLL_CLKOUT_DIV); 701 702 /* 703 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 704 */ 705 curcpu()->ci_data.cpu_cc_freq = 706 ((sys_clk * m) / ((n + 1) * m2 * 2)) * OMAP3_PRM_CLKSEL_MULT; 707 omap_sys_clk = sys_clk * OMAP3_PRM_CLKSEL_MULT; 708 709 #elif defined(OMAP_4430) 710 711 const uint32_t prm_clksel = 712 *(volatile uint32_t *)(prm_base + OMAP4_CM_SYS_CLKSEL); 713 static const uint32_t cm_clksel_freqs[] = OMAP4_CM_CLKSEL_FREQS; 714 const uint32_t sys_clk = 715 cm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP4_CM_SYS_CLKSEL_CLKIN)]; 716 const uint32_t dpll1 = 717 *(volatile uint32_t *)(cm_base + OMAP4_CM_CLKSEL_DPLL_MPU); 718 const uint32_t dpll2 = 719 *(volatile uint32_t *)(cm_base + OMAP4_CM_DIV_M2_DPLL_MPU); 720 const uint32_t m = 721 __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_MULT); 722 const uint32_t n = __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_DIV); 723 const uint32_t m2 = 724 __SHIFTOUT(dpll2, OMAP4_CM_DIV_M2_DPLL_MPU_DPLL_CLKOUT_DIV); 725 726 /* 727 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 728 */ 729 curcpu()->ci_data.cpu_cc_freq = 730 ((sys_clk * 2 * m) / ((n + 1) * m2)) * OMAP4_CM_CLKSEL_MULT / 2; 731 omap_sys_clk = sys_clk * OMAP4_CM_CLKSEL_MULT; 732 733 #elif defined(TI_AM335X) 734 735 prcm_bootstrap(cm_base); 736 am335x_sys_clk(TI_AM335X_CTLMOD_BASE); 737 am335x_cpu_clk(); 738 739 #endif 740 } 741 #endif 742 743 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 744 static const char busheader_name[] = "busheader="; 745 #endif 746 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 747 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 748 static const char expansion_name[] = "expansion="; 749 #endif 750 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 751 static const char console_name[] = "console="; 752 #endif 753 static void 754 process_kernel_args(int argc, char *argv[]) 755 { 756 int gxio_configured = 0, i, j; 757 758 boothowto = 0; 759 760 for (i = 1, j = 0; i < argc; i++) { 761 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 762 if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) { 763 /* Configure for GPIOs of busheader side */ 764 gxio_config_expansion(argv[i] + strlen(busheader_name)); 765 gxio_configured = 1; 766 continue; 767 } 768 #endif 769 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 770 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 771 if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) { 772 /* Configure expansion */ 773 gxio_config_expansion(argv[i] + strlen(expansion_name)); 774 gxio_configured = 1; 775 continue; 776 } 777 #endif 778 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 779 if (!strncmp(argv[i], console_name, strlen(console_name))) { 780 strncpy(console, argv[i] + strlen(console_name), 781 sizeof(console)); 782 consinit(); 783 } 784 #endif 785 if (j == bootargs_len) { 786 *(bootargs + j) = '\0'; 787 continue; 788 } 789 if (j != 0) 790 *(bootargs + j++) = ' '; 791 strncpy(bootargs + j, argv[i], bootargs_len - j); 792 bootargs[bootargs_len] = '\0'; 793 j += strlen(argv[i]); 794 } 795 boot_args = bootargs; 796 797 parse_mi_bootargs(boot_args); 798 799 if (!gxio_configured) 800 gxio_config_expansion(NULL); 801 } 802 803 static void 804 process_kernel_args_liner(char *args) 805 { 806 int i = 0; 807 char *p = NULL; 808 809 boothowto = 0; 810 811 strncpy(bootargs, args, sizeof(bootargs)); 812 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 813 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 814 { 815 char *q; 816 817 if ((p = strstr(bootargs, expansion_name))) 818 q = p + strlen(expansion_name); 819 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 820 else if ((p = strstr(bootargs, busheader_name))) 821 q = p + strlen(busheader_name); 822 #endif 823 if (p) { 824 char expansion[256], c; 825 826 i = 0; 827 do { 828 c = *(q + i); 829 if (c == ' ') 830 c = '\0'; 831 expansion[i++] = c; 832 } while (c != '\0' && i < sizeof(expansion)); 833 gxio_config_expansion(expansion); 834 strcpy(p, q + i); 835 } 836 } 837 #endif 838 if (p == NULL) 839 gxio_config_expansion(NULL); 840 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 841 p = strstr(bootargs, console_name); 842 if (p != NULL) { 843 char c; 844 845 i = 0; 846 do { 847 c = *(p + strlen(console_name) + i); 848 if (c == ' ') 849 c = '\0'; 850 console[i++] = c; 851 } while (c != '\0' && i < sizeof(console)); 852 consinit(); 853 strcpy(p, p + strlen(console_name) + i); 854 } 855 #endif 856 boot_args = bootargs; 857 858 parse_mi_bootargs(boot_args); 859 } 860 861 #ifdef KGDB 862 #ifndef KGDB_DEVNAME 863 #define KGDB_DEVNAME "ffuart" 864 #endif 865 const char kgdb_devname[] = KGDB_DEVNAME; 866 867 #ifndef KGDB_DEVRATE 868 #define KGDB_DEVRATE CONSPEED 869 #endif 870 int kgdb_devrate = KGDB_DEVRATE; 871 872 #if (NCOM > 0) 873 #ifndef KGDB_DEVMODE 874 #define KGDB_DEVMODE CONMODE 875 #endif 876 int comkgdbmode = KGDB_DEVMODE; 877 #endif /* NCOM */ 878 879 #endif /* KGDB */ 880 881 882 void 883 consinit(void) 884 { 885 static int consinit_called = 0; 886 887 if (consinit_called != 0) 888 return; 889 890 consinit_called = 1; 891 892 #if NCOM > 0 893 894 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 895 /* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */ 896 if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') { 897 int i; 898 899 comcnspeed = 0; 900 for (i = 6; i < strlen(console) && isdigit(console[i]); i++) 901 comcnspeed = comcnspeed * 10 + (console[i] - '0'); 902 } 903 #endif 904 905 #if defined(GUMSTIX) 906 907 #ifdef FFUARTCONSOLE 908 #ifdef KGDB 909 if (strcmp(kgdb_devname, "ffuart") == 0){ 910 /* port is reserved for kgdb */ 911 } else 912 #endif 913 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 914 if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 || 915 strncmp(console, "ttyS0,", 6) == 0) 916 #endif 917 { 918 int rv; 919 920 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE, 921 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 922 if (rv == 0) { 923 pxa2x0_clkman_config(CKEN_FFUART, 1); 924 return; 925 } 926 } 927 #endif /* FFUARTCONSOLE */ 928 929 #ifdef STUARTCONSOLE 930 #ifdef KGDB 931 if (strcmp(kgdb_devname, "stuart") == 0) { 932 /* port is reserved for kgdb */ 933 } else 934 #endif 935 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 936 if (console[0] == '\0' || strcasecmp(console, "stuart") == 0) 937 #endif 938 { 939 int rv; 940 941 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE, 942 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 943 if (rv == 0) { 944 pxa2x0_clkman_config(CKEN_STUART, 1); 945 return; 946 } 947 } 948 #endif /* STUARTCONSOLE */ 949 950 #ifdef BTUARTCONSOLE 951 #ifdef KGDB 952 if (strcmp(kgdb_devname, "btuart") == 0) { 953 /* port is reserved for kgdb */ 954 } else 955 #endif 956 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 957 if (console[0] == '\0' || strcasecmp(console, "btuart") == 0) 958 #endif 959 { 960 int rv; 961 962 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE, 963 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 964 if (rv == 0) { 965 pxa2x0_clkman_config(CKEN_BTUART, 1); 966 return; 967 } 968 } 969 #endif /* BTUARTCONSOLE */ 970 971 #ifdef HWUARTCONSOLE 972 #ifdef KGDB 973 if (strcmp(kgdb_devname, "hwuart") == 0) { 974 /* port is reserved for kgdb */ 975 } else 976 #endif 977 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 978 if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0) 979 #endif 980 { 981 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE, 982 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 983 if (rv == 0) { 984 pxa2x0_clkman_config(CKEN_HWUART, 1); 985 return; 986 } 987 } 988 #endif /* HWUARTCONSOLE */ 989 990 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 991 992 if (comcnattach(&omap_a4x_bs_tag, CONSADDR, comcnspeed, 993 OMAP_COM_FREQ, COM_TYPE_NORMAL, comcnmode) == 0) 994 return; 995 996 #endif /* GUMSTIX or OVERO */ 997 998 #endif /* NCOM */ 999 1000 #if NLCD > 0 1001 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1002 if (console[0] == '\0' || strcasecmp(console, "lcd") == 0) 1003 #endif 1004 { 1005 gxlcd_cnattach(); 1006 } 1007 #endif 1008 } 1009 1010 #ifdef KGDB 1011 static void 1012 kgdb_port_init(void) 1013 { 1014 #if (NCOM > 0) && defined(COM_PXA2X0) 1015 paddr_t paddr = 0; 1016 int cken = 0; 1017 1018 if (0 == strcmp(kgdb_devname, "ffuart")) { 1019 paddr = PXA2X0_FFUART_BASE; 1020 cken = CKEN_FFUART; 1021 } else if (0 == strcmp(kgdb_devname, "stuart")) { 1022 paddr = PXA2X0_STUART_BASE; 1023 cken = CKEN_STUART; 1024 } else if (0 == strcmp(kgdb_devname, "btuart")) { 1025 paddr = PXA2X0_BTUART_BASE; 1026 cken = CKEN_BTUART; 1027 } else if (0 == strcmp(kgdb_devname, "hwuart")) { 1028 paddr = PXA2X0_HWUART_BASE; 1029 cken = CKEN_HWUART; 1030 } 1031 1032 if (paddr && 1033 0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr, 1034 kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) { 1035 1036 pxa2x0_clkman_config(cken, 1); 1037 } 1038 1039 #endif 1040 } 1041 #endif 1042 1043 static void 1044 gumstix_device_register(device_t dev, void *aux) 1045 { 1046 prop_dictionary_t dict = device_properties(dev); 1047 1048 if (device_is_a(dev, "a9tmr") || 1049 device_is_a(dev, "a9wdt")) { 1050 /* 1051 * We need to tell the A9 Global/Watchdog Timer 1052 * what frequency it runs at. 1053 */ 1054 1055 /* 1056 * This clock always runs at (arm_clk div 2) and only goes 1057 * to timers that are part of the A9 MP core subsystem. 1058 */ 1059 prop_dictionary_set_uint32(dict, "frequency", 1060 curcpu()->ci_data.cpu_cc_freq / 2); 1061 } 1062 if (device_is_a(dev, "armperiph")) { 1063 if (device_is_a(device_parent(dev), "mainbus")) { 1064 #if defined(OMAP2) 1065 /* 1066 * XXX KLUDGE ALERT XXX 1067 * The iot mainbus supplies is completely wrong since 1068 * it scales addresses by 2. The simpliest remedy is 1069 * to replace with our bus space used for the armcore 1070 * regisers (which armperiph uses). 1071 */ 1072 struct mainbus_attach_args * const mb = aux; 1073 mb->mb_iot = &omap_bs_tag; 1074 #endif 1075 } 1076 } 1077 if (device_is_a(dev, "ehci")) { 1078 #if defined(OVERO) 1079 prop_dictionary_set_uint16(dict, "nports", 2); 1080 prop_dictionary_set_bool(dict, "phy-reset", true); 1081 prop_dictionary_set_cstring(dict, "port0-mode", "none"); 1082 prop_dictionary_set_int16(dict, "port0-gpio", -1); 1083 prop_dictionary_set_cstring(dict, "port1-mode", "phy"); 1084 prop_dictionary_set_int16(dict, "port1-gpio", 183); 1085 prop_dictionary_set_bool(dict, "port1-gpioval", true); 1086 #elif defined(DUOVERO) 1087 prop_dictionary_set_uint16(dict, "nports", 1); 1088 prop_dictionary_set_bool(dict, "phy-reset", true); 1089 prop_dictionary_set_cstring(dict, "port0-mode", "phy"); 1090 prop_dictionary_set_int16(dict, "port0-gpio", 62); 1091 prop_dictionary_set_bool(dict, "port0-gpioval", false); 1092 prop_dictionary_set_bool(dict, "port0-extclk", true); 1093 #endif 1094 prop_dictionary_set_uint16(dict, "dpll5-m", 443); 1095 prop_dictionary_set_uint16(dict, "dpll5-n", 11); 1096 prop_dictionary_set_uint16(dict, "dpll5-m2", 4); 1097 } 1098 if (device_is_a(dev, "ohci")) { 1099 if (prop_dictionary_set_bool(dict, 1100 "Ganged-power-mask-on-port1", 1) == false) { 1101 printf("WARNING: unable to set power-mask for port1" 1102 " property for %s\n", device_xname(dev)); 1103 } 1104 if (prop_dictionary_set_bool(dict, 1105 "Ganged-power-mask-on-port2", 1) == false) { 1106 printf("WARNING: unable to set power-mask for port2" 1107 " property for %s\n", device_xname(dev)); 1108 } 1109 if (prop_dictionary_set_bool(dict, 1110 "Ganged-power-mask-on-port3", 1) == false) { 1111 printf("WARNING: unable to set power-mask for port3" 1112 " property for %s\n", device_xname(dev)); 1113 } 1114 } 1115 if (device_is_a(dev, "omapmputmr")) { 1116 struct obio_attach_args *obio = aux; 1117 1118 switch (obio->obio_addr) { 1119 case 0x49032000: /* GPTIMER2 */ 1120 case 0x49034000: /* GPTIMER3 */ 1121 case 0x49036000: /* GPTIMER4 */ 1122 case 0x49038000: /* GPTIMER5 */ 1123 case 0x4903a000: /* GPTIMER6 */ 1124 case 0x4903c000: /* GPTIMER7 */ 1125 case 0x4903e000: /* GPTIMER8 */ 1126 case 0x49040000: /* GPTIMER9 */ 1127 #if defined(OVERO) 1128 { 1129 /* Ensure enable PRCM.CM_[FI]CLKEN_PER[3:10]. */ 1130 const int en = 1131 1 << (((obio->obio_addr >> 13) & 0x3f) - 0x16); 1132 1133 ioreg_write(OVERO_L4_CORE_VBASE + 0x5000, 1134 ioreg_read(OVERO_L4_CORE_VBASE + 0x5000) | en); 1135 ioreg_write(OVERO_L4_CORE_VBASE + 0x5010, 1136 ioreg_read(OVERO_L4_CORE_VBASE + 0x5010) | en); 1137 } 1138 #endif 1139 break; 1140 } 1141 } 1142 if (device_is_a(dev, "sdhc")) { 1143 bool dualvolt = false; 1144 1145 #if defined(OVERO) || defined(DUOVERO) 1146 if (device_is_a(device_parent(dev), "obio")) { 1147 struct obio_attach_args *obio = aux; 1148 1149 #if defined(OVERO) 1150 if (obio->obio_addr == SDMMC2_BASE_3530) 1151 dualvolt = true; 1152 #elif defined(DUOVERO) 1153 if (obio->obio_addr == SDMMC5_BASE_4430) 1154 dualvolt = true; 1155 #endif 1156 } 1157 #endif 1158 #if defined(PEPPER) 1159 if (device_is_a(device_parent(dev), "mainbus")) { 1160 struct mainbus_attach_args * const mb = aux; 1161 1162 if (mb->mb_iobase == SDMMC3_BASE_TIAM335X) 1163 dualvolt = true; 1164 } 1165 #endif 1166 prop_dictionary_set_bool(dict, "dual-volt", dualvolt); 1167 } 1168 if (device_is_a(dev, "tifb")) { 1169 prop_data_t panel_info; 1170 1171 panel_info = prop_data_create_data_nocopy(tifb_panel_info, 1172 sizeof(struct tifb_panel_info)); 1173 KASSERT(panel_info != NULL); 1174 prop_dictionary_set(dict, "panel-info", panel_info); 1175 prop_object_release(panel_info); 1176 1177 #if defined(OMAP2) 1178 /* enable LCD */ 1179 omap2_gpio_ctl(59, GPIO_PIN_OUTPUT); 1180 omap2_gpio_write(59, 0); /* reset */ 1181 delay(100); 1182 omap2_gpio_write(59, 1); 1183 #endif 1184 } 1185 if (device_is_a(dev, "tps65217pmic")) { 1186 #if defined(TI_AM335X) 1187 extern const char *mpu_supply; 1188 1189 mpu_supply = "DCDC3"; 1190 #endif 1191 1192 if (use_tps65217_wled) { 1193 prop_dictionary_set_int32(dict, "isel", 1); 1194 prop_dictionary_set_int32(dict, "fdim", 200); 1195 prop_dictionary_set_int32(dict, "brightness", 80); 1196 } 1197 } 1198 } 1199
Indexes created Thu Oct 02 14:10:14 GMT 2025