gumstix_machdep.c revision 1.58.12.3
1 /* $NetBSD: gumstix_machdep.c,v 1.58.12.3 2018/09/30 01:45:41 pgoyette Exp $ */ 2 /* 3 * Copyright (C) 2005, 2006, 2007 WIDE Project and SOUM Corporation. 4 * All rights reserved. 5 * 6 * Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM 7 * Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the name of SOUM Corporation 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM CORPORATION ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT AND SOUM CORPORATION 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright (c) 2002, 2003, 2004, 2005 Genetec Corporation. 35 * All rights reserved. 36 * 37 * Written by Hiroyuki Bessho for Genetec Corporation. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. The name of Genetec Corporation may not be used to endorse or 48 * promote products derived from this software without specific prior 49 * written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 53 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 54 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 55 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 56 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 57 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 58 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 59 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 61 * POSSIBILITY OF SUCH DAMAGE. 62 * 63 * Machine dependent functions for kernel setup for Genetec G4250EBX 64 * evaluation board. 65 * 66 * Based on iq80310_machhdep.c 67 */ 68 /* 69 * Copyright (c) 2001 Wasabi Systems, Inc. 70 * All rights reserved. 71 * 72 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 77 * 1. Redistributions of source code must retain the above copyright 78 * notice, this list of conditions and the following disclaimer. 79 * 2. Redistributions in binary form must reproduce the above copyright 80 * notice, this list of conditions and the following disclaimer in the 81 * documentation and/or other materials provided with the distribution. 82 * 3. All advertising materials mentioning features or use of this software 83 * must display the following acknowledgement: 84 * This product includes software developed for the NetBSD Project by 85 * Wasabi Systems, Inc. 86 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 87 * or promote products derived from this software without specific prior 88 * written permission. 89 * 90 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 91 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 92 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 93 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 94 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 95 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 96 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 97 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 98 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 99 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 100 * POSSIBILITY OF SUCH DAMAGE. 101 */ 102 103 /* 104 * Copyright (c) 1997,1998 Mark Brinicombe. 105 * Copyright (c) 1997,1998 Causality Limited. 106 * All rights reserved. 107 * 108 * Redistribution and use in source and binary forms, with or without 109 * modification, are permitted provided that the following conditions 110 * are met: 111 * 1. Redistributions of source code must retain the above copyright 112 * notice, this list of conditions and the following disclaimer. 113 * 2. Redistributions in binary form must reproduce the above copyright 114 * notice, this list of conditions and the following disclaimer in the 115 * documentation and/or other materials provided with the distribution. 116 * 3. All advertising materials mentioning features or use of this software 117 * must display the following acknowledgement: 118 * This product includes software developed by Mark Brinicombe 119 * for the NetBSD Project. 120 * 4. The name of the company nor the name of the author may be used to 121 * endorse or promote products derived from this software without specific 122 * prior written permission. 123 * 124 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 125 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 126 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 127 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 128 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 129 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 130 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 131 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 132 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 133 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 134 * SUCH DAMAGE. 135 * 136 * Machine dependent functions for kernel setup for Intel IQ80310 evaluation 137 * boards using RedBoot firmware. 138 */ 139 140 #include "opt_arm_debug.h" 141 #include "opt_com.h" 142 #include "opt_console.h" 143 #include "opt_cputypes.h" 144 #include "opt_evbarm_boardtype.h" 145 #include "opt_gumstix.h" 146 #include "opt_kgdb.h" 147 #include "opt_multiprocessor.h" 148 #include "opt_pmap_debug.h" 149 #if defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 150 #include "opt_omap.h" 151 152 #if defined(DUOVERO) 153 #include "arml2cc.h" 154 #endif 155 #include "prcm.h" 156 #endif 157 158 #include <sys/param.h> 159 #include <sys/conf.h> 160 #include <sys/device.h> 161 #include <sys/exec.h> 162 #include <sys/kernel.h> 163 #include <sys/proc.h> 164 #include <sys/reboot.h> 165 #include <sys/systm.h> 166 #include <sys/termios.h> 167 #include <sys/bus.h> 168 #include <sys/cpu.h> 169 #include <sys/gpio.h> 170 171 #include <prop/proplib.h> 172 173 #include <uvm/uvm_extern.h> 174 175 #include <arm/mainbus/mainbus.h> /* don't reorder */ 176 177 #include <machine/autoconf.h> /* don't reorder */ 178 #include <machine/bootconfig.h> 179 #include <arm/locore.h> 180 181 #include <arm/arm32/machdep.h> 182 #if NARML2CC > 0 183 #include <arm/cortex/pl310_var.h> 184 #endif 185 #include <arm/cortex/scu_reg.h> 186 #include <arm/omap/omap2_obiovar.h> 187 #include <arm/omap/am335x_prcm.h> 188 #include <arm/omap/omap2_gpio.h> 189 #include <arm/omap/omap2_gpmcreg.h> 190 #include <arm/omap/omap2_prcm.h> 191 #if defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 192 #include <arm/omap/omap2_reg.h> /* Must required "opt_omap.h" */ 193 #endif 194 #include <arm/omap/omap3_sdmmcreg.h> 195 #include <arm/omap/omap_var.h> 196 #include <arm/omap/omap_com.h> 197 #include <arm/omap/tifbvar.h> 198 #include <arm/xscale/pxa2x0reg.h> 199 #include <arm/xscale/pxa2x0var.h> 200 #include <arm/xscale/pxa2x0_gpio.h> 201 #include <evbarm/gumstix/gumstixreg.h> 202 #include <evbarm/gumstix/gumstixvar.h> 203 204 #include <dev/cons.h> 205 206 #ifdef KGDB 207 #include <sys/kgdb.h> 208 #endif 209 210 /* 211 * The range 0xc1000000 - 0xfd000000 is available for kernel VM space 212 * Core-logic registers and I/O mappings occupy 213 * 214 * 0xfd000000 - 0xfd800000 on gumstix 215 * 0xc0000000 - 0xc0400000 on overo, duovero and pepper 216 */ 217 #ifndef KERNEL_VM_BASE 218 #define KERNEL_VM_BASE 0xc8000000 219 #endif 220 #define KERNEL_VM_SIZE 0x35000000 221 222 BootConfig bootconfig; /* Boot config storage */ 223 static char bootargs[MAX_BOOT_STRING]; 224 const size_t bootargs_len = sizeof(bootargs) - 1; /* without nul */ 225 char *boot_args = NULL; 226 227 uint32_t system_serial_high; 228 uint32_t system_serial_low; 229 230 /* Prototypes */ 231 #if defined(GUMSTIX) 232 static void read_system_serial(void); 233 #endif 234 #if defined(OMAP2) 235 static void omap_reset(void); 236 static void find_cpu_clock(void); 237 #endif 238 static void process_kernel_args(int, char *[]); 239 static void process_kernel_args_liner(char *); 240 #ifdef KGDB 241 static void kgdb_port_init(void); 242 #endif 243 static void gumstix_device_register(device_t, void *); 244 245 bs_protos(bs_notimpl); 246 247 #include "com.h" 248 #if NCOM > 0 249 #include <dev/ic/comreg.h> 250 #include <dev/ic/comvar.h> 251 #endif 252 253 #if defined(CPU_XSCALE) 254 #include "lcd.h" 255 #endif 256 257 #ifndef CONSPEED 258 #define CONSPEED B115200 /* It's a setting of the default of u-boot */ 259 #endif 260 #ifndef CONMODE 261 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 262 #endif 263 264 int comcnspeed = CONSPEED; 265 int comcnmode = CONMODE; 266 267 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 268 static char console[16]; 269 #endif 270 271 const struct tifb_panel_info *tifb_panel_info = NULL; 272 /* Use TPS65217 White LED Driver */ 273 bool use_tps65217_wled = false; 274 275 extern void gxio_config(void); 276 extern void gxio_config_expansion(char *); 277 278 279 static inline pd_entry_t * 280 read_ttb(void) 281 { 282 long ttb; 283 284 __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb)); 285 286 return (pd_entry_t *)(ttb & ~((1<<14)-1)); 287 } 288 289 /* 290 * Static device mappings. These peripheral registers are mapped at 291 * fixed virtual addresses very early in initarm() so that we can use 292 * them while booting the kernel, and stay at the same address 293 * throughout whole kernel's life time. 294 * 295 * We use this table twice; once with bootstrap page table, and once 296 * with kernel's page table which we build up in initarm(). 297 * 298 * Since we map these registers into the bootstrap page table using 299 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 300 * registers segment-aligned and segment-rounded in order to avoid 301 * using the 2nd page tables. 302 */ 303 304 #define _A(a) ((a) & ~L1_S_OFFSET) 305 #define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1)) 306 307 static const struct pmap_devmap gumstix_devmap[] = { 308 #if defined(GUMSTIX) 309 { 310 GUMSTIX_GPIO_VBASE, 311 _A(PXA2X0_GPIO_BASE), 312 _S(PXA250_GPIO_SIZE), 313 VM_PROT_READ | VM_PROT_WRITE, 314 PTE_NOCACHE, 315 }, 316 { 317 GUMSTIX_CLKMAN_VBASE, 318 _A(PXA2X0_CLKMAN_BASE), 319 _S(PXA2X0_CLKMAN_SIZE), 320 VM_PROT_READ | VM_PROT_WRITE, 321 PTE_NOCACHE, 322 }, 323 { 324 GUMSTIX_INTCTL_VBASE, 325 _A(PXA2X0_INTCTL_BASE), 326 _S(PXA2X0_INTCTL_SIZE), 327 VM_PROT_READ | VM_PROT_WRITE, 328 PTE_NOCACHE, 329 }, 330 { 331 GUMSTIX_FFUART_VBASE, 332 _A(PXA2X0_FFUART_BASE), 333 _S(4 * COM_NPORTS), 334 VM_PROT_READ | VM_PROT_WRITE, 335 PTE_NOCACHE, 336 }, 337 { 338 GUMSTIX_STUART_VBASE, 339 _A(PXA2X0_STUART_BASE), 340 _S(4 * COM_NPORTS), 341 VM_PROT_READ | VM_PROT_WRITE, 342 PTE_NOCACHE, 343 }, 344 { 345 GUMSTIX_BTUART_VBASE, 346 _A(PXA2X0_BTUART_BASE), 347 _S(4 * COM_NPORTS), 348 VM_PROT_READ | VM_PROT_WRITE, 349 PTE_NOCACHE, 350 }, 351 { 352 GUMSTIX_HWUART_VBASE, 353 _A(PXA2X0_HWUART_BASE), 354 _S(4 * COM_NPORTS), 355 VM_PROT_READ | VM_PROT_WRITE, 356 PTE_NOCACHE, 357 }, 358 { 359 GUMSTIX_LCDC_VBASE, 360 _A(PXA2X0_LCDC_BASE), 361 _S(4 * COM_NPORTS), 362 VM_PROT_READ | VM_PROT_WRITE, 363 PTE_NOCACHE, 364 }, 365 #elif defined(OVERO) 366 { /* SCM, PRCM */ 367 OVERO_L4_CORE_VBASE, 368 _A(OMAP3530_L4_CORE_BASE), 369 _S(L1_S_SIZE), /* No need 16MB. Use only first 1MB */ 370 VM_PROT_READ | VM_PROT_WRITE, 371 PTE_NOCACHE 372 }, 373 { /* Console, GPIO[2-6] */ 374 OVERO_L4_PERIPHERAL_VBASE, 375 _A(OMAP3530_L4_PERIPHERAL_BASE), 376 _S(OMAP3530_L4_PERIPHERAL_SIZE), 377 VM_PROT_READ | VM_PROT_WRITE, 378 PTE_NOCACHE 379 }, 380 { /* GPIO1 */ 381 OVERO_L4_WAKEUP_VBASE, 382 _A(OMAP3530_L4_WAKEUP_BASE), 383 _S(OMAP3530_L4_WAKEUP_SIZE), 384 VM_PROT_READ | VM_PROT_WRITE, 385 PTE_NOCACHE 386 }, 387 { 388 OVERO_GPMC_VBASE, 389 _A(GPMC_BASE), 390 _S(GPMC_SIZE), 391 VM_PROT_READ | VM_PROT_WRITE, 392 PTE_NOCACHE 393 }, 394 #elif defined(DUOVERO) 395 { 396 DUOVERO_L4_CM_VBASE, 397 _A(OMAP4430_L4_CORE_BASE + 0x100000), 398 _S(L1_S_SIZE), 399 VM_PROT_READ | VM_PROT_WRITE, 400 PTE_NOCACHE 401 }, 402 { /* Console, SCU, L2CC, GPIO[2-6] */ 403 DUOVERO_L4_PERIPHERAL_VBASE, 404 _A(OMAP4430_L4_PERIPHERAL_BASE), 405 _S(L1_S_SIZE * 3), 406 VM_PROT_READ | VM_PROT_WRITE, 407 PTE_NOCACHE 408 }, 409 { /* PRCM, GPIO1 */ 410 DUOVERO_L4_WAKEUP_VBASE, 411 _A(OMAP4430_L4_WAKEUP_BASE), 412 _S(OMAP4430_L4_WAKEUP_SIZE), 413 VM_PROT_READ | VM_PROT_WRITE, 414 PTE_NOCACHE 415 }, 416 { 417 DUOVERO_GPMC_VBASE, 418 _A(GPMC_BASE), 419 _S(GPMC_SIZE), 420 VM_PROT_READ | VM_PROT_WRITE, 421 PTE_NOCACHE 422 }, 423 #elif defined(PEPPER) 424 { 425 /* CM, Control Module, GPIO0, Console */ 426 PEPPER_PRCM_VBASE, 427 _A(OMAP2_CM_BASE), 428 _S(L1_S_SIZE), 429 VM_PROT_READ | VM_PROT_WRITE, 430 PTE_NOCACHE 431 }, 432 { 433 /* GPIO[1-3] */ 434 PEPPER_L4_PERIPHERAL_VBASE, 435 _A(TI_AM335X_L4_PERIPHERAL_BASE), 436 _S(L1_S_SIZE), 437 VM_PROT_READ | VM_PROT_WRITE, 438 PTE_NOCACHE 439 }, 440 #endif 441 { 0, 0, 0, 0, 0 } 442 }; 443 444 #undef _A 445 #undef _S 446 447 448 /* 449 * u_int initarm(...) 450 * 451 * Initial entry point on startup. This gets called before main() is 452 * entered. 453 * It should be responsible for setting up everything that must be 454 * in place when main is called. 455 * This includes 456 * Taking a copy of the boot configuration structure. 457 * Initialising the physical console so characters can be printed. 458 * Setting up page tables for the kernel 459 * Relocating the kernel to the bottom of physical memory 460 */ 461 u_int 462 initarm(void *arg) 463 { 464 extern char KERNEL_BASE_phys[]; 465 extern uint32_t *u_boot_args[]; 466 extern uint32_t ram_size; 467 enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */ 468 469 /* 470 * We mapped PA == VA in gumstix_start.S. 471 * Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable. 472 * 473 * Gumstix (basix, connex, verdex, verdex-pro): 474 * Physical Address Range Description 475 * ----------------------- ---------------------------------- 476 * 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB) 477 * 0x40000000 - 0x480fffff Processor Registers 478 * 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB) 479 * 0xc0000000 - 0xc3ffffff KERNEL_BASE 480 * 481 * Overo: 482 * Physical Address Range Description 483 * ----------------------- ---------------------------------- 484 * 0x80000000 - 0x9fffffff SDRAM Bank 0 485 * 0x80000000 - 0x83ffffff KERNEL_BASE 486 * 487 * DuoVero, Pepper: 488 * Physical Address Range Description 489 * ----------------------- ---------------------------------- 490 * 0x80000000 - 0xbfffffff SDRAM Bank 0 491 * 0x80000000 - 0x83ffffff KERNEL_BASE 492 */ 493 494 #if defined(CPU_XSCALE) 495 extern vaddr_t xscale_cache_clean_addr; 496 xscale_cache_clean_addr = 0xff000000U; 497 498 cpu_reset_address = NULL; 499 #elif defined(OMAP2) 500 cpu_reset_address = omap_reset; 501 502 find_cpu_clock(); 503 #endif 504 505 /* 506 * Heads up ... Setup the CPU / MMU / TLB functions 507 */ 508 if (set_cpufuncs()) 509 panic("cpu not recognized!"); 510 511 /* map some peripheral registers at static I/O area */ 512 pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap); 513 514 #if defined(CPU_XSCALE) 515 /* start 32.768kHz OSC */ 516 ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON); 517 518 /* Get ready for splfoo() */ 519 pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE); 520 521 /* setup GPIO for {FF,ST,HW}UART. */ 522 pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE); 523 524 pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE); 525 #endif 526 527 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 528 529 /* configure MUX, GPIO and CLK. */ 530 gxio_config(); 531 532 #ifndef GUMSTIX_NETBSD_ARGS_CONSOLE 533 consinit(); 534 #endif 535 #ifdef KGDB 536 kgdb_port_init(); 537 #endif 538 539 /* 540 * Examine the boot args string for options we need to know about 541 * now. 542 */ 543 #if defined(GUMSTIX) 544 #define SDRAM_START 0xa0000000UL 545 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 546 #define SDRAM_START 0x80000000UL 547 #endif 548 if ((uint32_t)u_boot_args[r0] < SDRAM_START || 549 (uint32_t)u_boot_args[r0] >= SDRAM_START + ram_size) 550 /* Maybe r0 is 'argc'. We are booted by command 'go'. */ 551 process_kernel_args((int)u_boot_args[r0], 552 (char **)u_boot_args[r1]); 553 else 554 /* 555 * Maybe r3 is 'boot args string' of 'bootm'. This string is 556 * linely. 557 */ 558 process_kernel_args_liner((char *)u_boot_args[r3]); 559 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 560 consinit(); 561 #endif 562 563 /* Talk to the user */ 564 #define BDSTR(s) _BDSTR(s) 565 #define _BDSTR(s) #s 566 printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n"); 567 568 /* Read system serial */ 569 #if defined(GUMSTIX) 570 read_system_serial(); 571 #endif 572 573 #ifdef VERBOSE_INIT_ARM 574 printf("initarm: Configuring system ...\n"); 575 #endif 576 577 #if defined(OMAP_4430) 578 const bus_space_tag_t iot = &omap_bs_tag; 579 bus_space_handle_t ioh; 580 581 #if NARML2CC > 0 582 /* 583 * Initialize L2-Cache parameters 584 */ 585 586 if (bus_space_map(iot, OMAP4_L2CC_BASE, OMAP4_L2CC_SIZE, 0, &ioh) != 0) 587 panic("OMAP4_L2CC_BASE map failed\n"); 588 arml2cc_init(iot, ioh, 0); 589 #endif 590 591 #ifdef MULTIPROCESSOR 592 if (bus_space_map(iot, OMAP4_SCU_BASE, SCU_SIZE, 0, &ioh) != 0) 593 panic("OMAP4_SCU_BASE map failed\n"); 594 arm_cpu_max = 595 1 + (bus_space_read_4(iot, ioh, SCU_CFG) & SCU_CFG_CPUMAX); 596 #endif 597 #endif 598 599 /* Fake bootconfig structure for the benefit of pmap.c */ 600 /* XXX must make the memory description h/w independent */ 601 bootconfig.dramblocks = 1; 602 bootconfig.dram[0].address = SDRAM_START; 603 bootconfig.dram[0].pages = ram_size / PAGE_SIZE; 604 605 KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE); 606 607 arm32_bootmem_init(bootconfig.dram[0].address, ram_size, 608 (uintptr_t) KERNEL_BASE_phys); 609 arm32_kernel_vm_init(KERNEL_VM_BASE, 610 #if defined(CPU_XSCALE) 611 ARM_VECTORS_LOW, 612 #elif defined(CPU_CORTEX) 613 ARM_VECTORS_HIGH, 614 #endif 615 0, gumstix_devmap, true); 616 617 evbarm_device_register = gumstix_device_register; 618 619 return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0); 620 } 621 622 #if defined(GUMSTIX) 623 static void 624 read_system_serial(void) 625 { 626 #define GUMSTIX_SYSTEM_SERIAL_ADDR 0 627 #define GUMSTIX_SYSTEM_SERIAL_SIZE 8 628 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 629 #define FLASH_OFFSET_USER_PROTECTION 0x85 630 #define FLASH_CMD_READ_ID 0x90 631 #define FLASH_CMD_RESET 0xff 632 int i; 633 char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src; 634 char x; 635 636 src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/); 637 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 638 memcpy(system_serial, 639 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 640 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 641 642 for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++) 643 x &= system_serial[i]; 644 if (x == 0xff) { 645 src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/); 646 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 647 memcpy(system_serial, 648 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 649 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 650 651 /* 652 * XXXX: Don't need ??? 653 * gumstix_serial_hash(system_serial); 654 */ 655 } 656 system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 | 657 system_serial[2] << 8 | system_serial[3]; 658 system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 | 659 system_serial[6] << 8 | system_serial[7]; 660 661 printf("system serial: 0x"); 662 for (i = 0; i < sizeof (system_serial); i++) 663 printf("%02x", system_serial[i]); 664 printf("\n"); 665 } 666 #endif 667 668 #if defined(OMAP2) 669 static void 670 omap_reset(void) 671 { 672 673 #if defined(TI_AM335X) 674 vaddr_t prm_base = (PEPPER_PRCM_VBASE + AM335X_PRCM_PRM_DEVICE); 675 676 *(volatile uint32_t *)(prm_base + PRM_RSTCTRL) = RST_GLOBAL_WARM_SW; 677 #elif defined(OMAP_4430) 678 *(volatile uint32_t *)(DUOVERO_L4_WAKEUP_VBASE + OMAP4_PRM_RSTCTRL) = 679 OMAP4_PRM_RSTCTRL_WARM; 680 #endif 681 682 #if NPRCM > 0 683 prcm_cold_reset(); 684 #endif 685 } 686 687 static void 688 find_cpu_clock(void) 689 { 690 const vaddr_t prm_base __unused = OMAP2_PRM_BASE; 691 const vaddr_t cm_base = OMAP2_CM_BASE; 692 693 #if defined(OMAP_3530) 694 695 const uint32_t prm_clksel = 696 *(volatile uint32_t *)(prm_base + PLL_MOD + OMAP3_PRM_CLKSEL); 697 static const uint32_t prm_clksel_freqs[] = OMAP3_PRM_CLKSEL_FREQS; 698 const uint32_t sys_clk = 699 prm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP3_PRM_CLKSEL_CLKIN)]; 700 const uint32_t dpll1 = 701 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL1_PLL_MPU); 702 const uint32_t dpll2 = 703 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL2_PLL_MPU); 704 const uint32_t m = 705 __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_MULT); 706 const uint32_t n = __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_DIV); 707 const uint32_t m2 = 708 __SHIFTOUT(dpll2, OMAP3_CM_CLKSEL2_PLL_MPU_DPLL_CLKOUT_DIV); 709 710 /* 711 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 712 */ 713 curcpu()->ci_data.cpu_cc_freq = 714 ((sys_clk * m) / ((n + 1) * m2 * 2)) * OMAP3_PRM_CLKSEL_MULT; 715 omap_sys_clk = sys_clk * OMAP3_PRM_CLKSEL_MULT; 716 717 #elif defined(OMAP_4430) 718 719 const uint32_t prm_clksel = 720 *(volatile uint32_t *)(prm_base + OMAP4_CM_SYS_CLKSEL); 721 static const uint32_t cm_clksel_freqs[] = OMAP4_CM_CLKSEL_FREQS; 722 const uint32_t sys_clk = 723 cm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP4_CM_SYS_CLKSEL_CLKIN)]; 724 const uint32_t dpll1 = 725 *(volatile uint32_t *)(cm_base + OMAP4_CM_CLKSEL_DPLL_MPU); 726 const uint32_t dpll2 = 727 *(volatile uint32_t *)(cm_base + OMAP4_CM_DIV_M2_DPLL_MPU); 728 const uint32_t m = 729 __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_MULT); 730 const uint32_t n = __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_DIV); 731 const uint32_t m2 = 732 __SHIFTOUT(dpll2, OMAP4_CM_DIV_M2_DPLL_MPU_DPLL_CLKOUT_DIV); 733 734 /* 735 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 736 */ 737 curcpu()->ci_data.cpu_cc_freq = 738 ((sys_clk * 2 * m) / ((n + 1) * m2)) * OMAP4_CM_CLKSEL_MULT / 2; 739 omap_sys_clk = sys_clk * OMAP4_CM_CLKSEL_MULT; 740 741 #elif defined(TI_AM335X) 742 743 prcm_bootstrap(cm_base); 744 am335x_sys_clk(TI_AM335X_CTLMOD_BASE); 745 am335x_cpu_clk(); 746 747 #endif 748 } 749 #endif 750 751 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 752 static const char busheader_name[] = "busheader="; 753 #endif 754 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 755 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 756 static const char expansion_name[] = "expansion="; 757 #endif 758 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 759 static const char console_name[] = "console="; 760 #endif 761 static void 762 process_kernel_args(int argc, char *argv[]) 763 { 764 int gxio_configured = 0, i, j; 765 766 boothowto = 0; 767 768 for (i = 1, j = 0; i < argc; i++) { 769 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 770 if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) { 771 /* Configure for GPIOs of busheader side */ 772 gxio_config_expansion(argv[i] + strlen(busheader_name)); 773 gxio_configured = 1; 774 continue; 775 } 776 #endif 777 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 778 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 779 if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) { 780 /* Configure expansion */ 781 gxio_config_expansion(argv[i] + strlen(expansion_name)); 782 gxio_configured = 1; 783 continue; 784 } 785 #endif 786 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 787 if (!strncmp(argv[i], console_name, strlen(console_name))) { 788 strncpy(console, argv[i] + strlen(console_name), 789 sizeof(console)); 790 consinit(); 791 } 792 #endif 793 if (j == bootargs_len) { 794 *(bootargs + j) = '\0'; 795 continue; 796 } 797 if (j != 0) 798 *(bootargs + j++) = ' '; 799 strncpy(bootargs + j, argv[i], bootargs_len - j); 800 bootargs[bootargs_len] = '\0'; 801 j += strlen(argv[i]); 802 } 803 boot_args = bootargs; 804 805 parse_mi_bootargs(boot_args); 806 807 if (!gxio_configured) 808 gxio_config_expansion(NULL); 809 } 810 811 static void 812 process_kernel_args_liner(char *args) 813 { 814 int i = 0; 815 char *p = NULL; 816 817 boothowto = 0; 818 819 strncpy(bootargs, args, sizeof(bootargs)); 820 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 821 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 822 { 823 char *q; 824 825 if ((p = strstr(bootargs, expansion_name))) 826 q = p + strlen(expansion_name); 827 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 828 else if ((p = strstr(bootargs, busheader_name))) 829 q = p + strlen(busheader_name); 830 #endif 831 if (p) { 832 char expansion[256], c; 833 834 i = 0; 835 do { 836 c = *(q + i); 837 if (c == ' ') 838 c = '\0'; 839 expansion[i++] = c; 840 } while (c != '\0' && i < sizeof(expansion)); 841 gxio_config_expansion(expansion); 842 strcpy(p, q + i); 843 } 844 } 845 #endif 846 if (p == NULL) 847 gxio_config_expansion(NULL); 848 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 849 p = strstr(bootargs, console_name); 850 if (p != NULL) { 851 char c; 852 853 i = 0; 854 do { 855 c = *(p + strlen(console_name) + i); 856 if (c == ' ') 857 c = '\0'; 858 console[i++] = c; 859 } while (c != '\0' && i < sizeof(console)); 860 consinit(); 861 strcpy(p, p + strlen(console_name) + i); 862 } 863 #endif 864 boot_args = bootargs; 865 866 parse_mi_bootargs(boot_args); 867 } 868 869 #ifdef KGDB 870 #ifndef KGDB_DEVNAME 871 #define KGDB_DEVNAME "ffuart" 872 #endif 873 const char kgdb_devname[] = KGDB_DEVNAME; 874 875 #ifndef KGDB_DEVRATE 876 #define KGDB_DEVRATE CONSPEED 877 #endif 878 int kgdb_devrate = KGDB_DEVRATE; 879 880 #if (NCOM > 0) 881 #ifndef KGDB_DEVMODE 882 #define KGDB_DEVMODE CONMODE 883 #endif 884 int comkgdbmode = KGDB_DEVMODE; 885 #endif /* NCOM */ 886 887 #endif /* KGDB */ 888 889 890 void 891 consinit(void) 892 { 893 static int consinit_called = 0; 894 895 if (consinit_called != 0) 896 return; 897 898 consinit_called = 1; 899 900 #if NCOM > 0 901 902 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 903 /* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */ 904 if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') { 905 int i; 906 907 comcnspeed = 0; 908 for (i = 6; i < strlen(console) && isdigit(console[i]); i++) 909 comcnspeed = comcnspeed * 10 + (console[i] - '0'); 910 } 911 #endif 912 913 #if defined(GUMSTIX) 914 915 #ifdef FFUARTCONSOLE 916 #ifdef KGDB 917 if (strcmp(kgdb_devname, "ffuart") == 0){ 918 /* port is reserved for kgdb */ 919 } else 920 #endif 921 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 922 if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 || 923 strncmp(console, "ttyS0,", 6) == 0) 924 #endif 925 { 926 int rv; 927 928 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE, 929 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 930 if (rv == 0) { 931 pxa2x0_clkman_config(CKEN_FFUART, 1); 932 return; 933 } 934 } 935 #endif /* FFUARTCONSOLE */ 936 937 #ifdef STUARTCONSOLE 938 #ifdef KGDB 939 if (strcmp(kgdb_devname, "stuart") == 0) { 940 /* port is reserved for kgdb */ 941 } else 942 #endif 943 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 944 if (console[0] == '\0' || strcasecmp(console, "stuart") == 0) 945 #endif 946 { 947 int rv; 948 949 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE, 950 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 951 if (rv == 0) { 952 pxa2x0_clkman_config(CKEN_STUART, 1); 953 return; 954 } 955 } 956 #endif /* STUARTCONSOLE */ 957 958 #ifdef BTUARTCONSOLE 959 #ifdef KGDB 960 if (strcmp(kgdb_devname, "btuart") == 0) { 961 /* port is reserved for kgdb */ 962 } else 963 #endif 964 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 965 if (console[0] == '\0' || strcasecmp(console, "btuart") == 0) 966 #endif 967 { 968 int rv; 969 970 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE, 971 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 972 if (rv == 0) { 973 pxa2x0_clkman_config(CKEN_BTUART, 1); 974 return; 975 } 976 } 977 #endif /* BTUARTCONSOLE */ 978 979 #ifdef HWUARTCONSOLE 980 #ifdef KGDB 981 if (strcmp(kgdb_devname, "hwuart") == 0) { 982 /* port is reserved for kgdb */ 983 } else 984 #endif 985 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 986 if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0) 987 #endif 988 { 989 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE, 990 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 991 if (rv == 0) { 992 pxa2x0_clkman_config(CKEN_HWUART, 1); 993 return; 994 } 995 } 996 #endif /* HWUARTCONSOLE */ 997 998 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 999 1000 if (comcnattach(&omap_a4x_bs_tag, CONSADDR, comcnspeed, 1001 OMAP_COM_FREQ, COM_TYPE_NORMAL, comcnmode) == 0) 1002 return; 1003 1004 #endif /* GUMSTIX or OVERO */ 1005 1006 #endif /* NCOM */ 1007 1008 #if NLCD > 0 1009 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1010 if (console[0] == '\0' || strcasecmp(console, "lcd") == 0) 1011 #endif 1012 { 1013 gxlcd_cnattach(); 1014 } 1015 #endif 1016 } 1017 1018 #ifdef KGDB 1019 static void 1020 kgdb_port_init(void) 1021 { 1022 #if (NCOM > 0) && defined(COM_PXA2X0) 1023 paddr_t paddr = 0; 1024 int cken = 0; 1025 1026 if (0 == strcmp(kgdb_devname, "ffuart")) { 1027 paddr = PXA2X0_FFUART_BASE; 1028 cken = CKEN_FFUART; 1029 } else if (0 == strcmp(kgdb_devname, "stuart")) { 1030 paddr = PXA2X0_STUART_BASE; 1031 cken = CKEN_STUART; 1032 } else if (0 == strcmp(kgdb_devname, "btuart")) { 1033 paddr = PXA2X0_BTUART_BASE; 1034 cken = CKEN_BTUART; 1035 } else if (0 == strcmp(kgdb_devname, "hwuart")) { 1036 paddr = PXA2X0_HWUART_BASE; 1037 cken = CKEN_HWUART; 1038 } 1039 1040 if (paddr && 1041 0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr, 1042 kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) { 1043 1044 pxa2x0_clkman_config(cken, 1); 1045 } 1046 1047 #endif 1048 } 1049 #endif 1050 1051 static void 1052 gumstix_device_register(device_t dev, void *aux) 1053 { 1054 prop_dictionary_t dict = device_properties(dev); 1055 1056 if (device_is_a(dev, "arma9tmr") || 1057 device_is_a(dev, "a9wdt")) { 1058 /* 1059 * We need to tell the A9 Global/Watchdog Timer 1060 * what frequency it runs at. 1061 */ 1062 1063 /* 1064 * This clock always runs at (arm_clk div 2) and only goes 1065 * to timers that are part of the A9 MP core subsystem. 1066 */ 1067 prop_dictionary_set_uint32(dict, "frequency", 1068 curcpu()->ci_data.cpu_cc_freq / 2); 1069 } 1070 if (device_is_a(dev, "armperiph")) { 1071 if (device_is_a(device_parent(dev), "mainbus")) { 1072 #if defined(OMAP2) 1073 /* 1074 * XXX KLUDGE ALERT XXX 1075 * The iot mainbus supplies is completely wrong since 1076 * it scales addresses by 2. The simpliest remedy is 1077 * to replace with our bus space used for the armcore 1078 * registers (which armperiph uses). 1079 */ 1080 struct mainbus_attach_args * const mb = aux; 1081 mb->mb_iot = &omap_bs_tag; 1082 #endif 1083 } 1084 } 1085 if (device_is_a(dev, "ehci")) { 1086 #if defined(OVERO) 1087 prop_dictionary_set_uint16(dict, "nports", 2); 1088 prop_dictionary_set_bool(dict, "phy-reset", true); 1089 prop_dictionary_set_cstring(dict, "port0-mode", "none"); 1090 prop_dictionary_set_int16(dict, "port0-gpio", -1); 1091 prop_dictionary_set_cstring(dict, "port1-mode", "phy"); 1092 prop_dictionary_set_int16(dict, "port1-gpio", 183); 1093 prop_dictionary_set_bool(dict, "port1-gpioval", true); 1094 #elif defined(DUOVERO) 1095 prop_dictionary_set_uint16(dict, "nports", 1); 1096 prop_dictionary_set_bool(dict, "phy-reset", true); 1097 prop_dictionary_set_cstring(dict, "port0-mode", "phy"); 1098 prop_dictionary_set_int16(dict, "port0-gpio", 62); 1099 prop_dictionary_set_bool(dict, "port0-gpioval", false); 1100 prop_dictionary_set_bool(dict, "port0-extclk", true); 1101 #endif 1102 prop_dictionary_set_uint16(dict, "dpll5-m", 443); 1103 prop_dictionary_set_uint16(dict, "dpll5-n", 11); 1104 prop_dictionary_set_uint16(dict, "dpll5-m2", 4); 1105 } 1106 if (device_is_a(dev, "ohci")) { 1107 if (prop_dictionary_set_bool(dict, 1108 "Ganged-power-mask-on-port1", 1) == false) { 1109 printf("WARNING: unable to set power-mask for port1" 1110 " property for %s\n", device_xname(dev)); 1111 } 1112 if (prop_dictionary_set_bool(dict, 1113 "Ganged-power-mask-on-port2", 1) == false) { 1114 printf("WARNING: unable to set power-mask for port2" 1115 " property for %s\n", device_xname(dev)); 1116 } 1117 if (prop_dictionary_set_bool(dict, 1118 "Ganged-power-mask-on-port3", 1) == false) { 1119 printf("WARNING: unable to set power-mask for port3" 1120 " property for %s\n", device_xname(dev)); 1121 } 1122 } 1123 if (device_is_a(dev, "omapmputmr")) { 1124 struct obio_attach_args *obio = aux; 1125 1126 switch (obio->obio_addr) { 1127 case 0x49032000: /* GPTIMER2 */ 1128 case 0x49034000: /* GPTIMER3 */ 1129 case 0x49036000: /* GPTIMER4 */ 1130 case 0x49038000: /* GPTIMER5 */ 1131 case 0x4903a000: /* GPTIMER6 */ 1132 case 0x4903c000: /* GPTIMER7 */ 1133 case 0x4903e000: /* GPTIMER8 */ 1134 case 0x49040000: /* GPTIMER9 */ 1135 #if defined(OVERO) 1136 { 1137 /* Ensure enable PRCM.CM_[FI]CLKEN_PER[3:10]. */ 1138 const int en = 1139 1 << (((obio->obio_addr >> 13) & 0x3f) - 0x16); 1140 1141 ioreg_write(OVERO_L4_CORE_VBASE + 0x5000, 1142 ioreg_read(OVERO_L4_CORE_VBASE + 0x5000) | en); 1143 ioreg_write(OVERO_L4_CORE_VBASE + 0x5010, 1144 ioreg_read(OVERO_L4_CORE_VBASE + 0x5010) | en); 1145 } 1146 #endif 1147 break; 1148 } 1149 } 1150 if (device_is_a(dev, "sdhc")) { 1151 bool dualvolt = false; 1152 1153 #if defined(OVERO) || defined(DUOVERO) 1154 if (device_is_a(device_parent(dev), "obio")) { 1155 struct obio_attach_args *obio = aux; 1156 1157 #if defined(OVERO) 1158 if (obio->obio_addr == SDMMC2_BASE_3530) 1159 dualvolt = true; 1160 #elif defined(DUOVERO) 1161 if (obio->obio_addr == SDMMC5_BASE_4430) 1162 dualvolt = true; 1163 #endif 1164 } 1165 #endif 1166 #if defined(PEPPER) 1167 if (device_is_a(device_parent(dev), "mainbus")) { 1168 struct mainbus_attach_args * const mb = aux; 1169 1170 if (mb->mb_iobase == SDMMC3_BASE_TIAM335X) 1171 dualvolt = true; 1172 } 1173 #endif 1174 prop_dictionary_set_bool(dict, "dual-volt", dualvolt); 1175 } 1176 if (device_is_a(dev, "tifb")) { 1177 prop_data_t panel_info; 1178 1179 panel_info = prop_data_create_data_nocopy(tifb_panel_info, 1180 sizeof(struct tifb_panel_info)); 1181 KASSERT(panel_info != NULL); 1182 prop_dictionary_set(dict, "panel-info", panel_info); 1183 prop_object_release(panel_info); 1184 1185 #if defined(OMAP2) 1186 /* enable LCD */ 1187 omap2_gpio_ctl(59, GPIO_PIN_OUTPUT); 1188 omap2_gpio_write(59, 0); /* reset */ 1189 delay(100); 1190 omap2_gpio_write(59, 1); 1191 #endif 1192 } 1193 if (device_is_a(dev, "tps65217pmic")) { 1194 #if defined(TI_AM335X) 1195 extern const char *mpu_supply; 1196 1197 mpu_supply = "DCDC3"; 1198 #endif 1199 1200 if (use_tps65217_wled) { 1201 prop_dictionary_set_int32(dict, "isel", 1); 1202 prop_dictionary_set_int32(dict, "fdim", 200); 1203 prop_dictionary_set_int32(dict, "brightness", 80); 1204 } 1205 } 1206 } 1207
Indexes created Tue Oct 28 12:10:06 GMT 2025