gumstix_machdep.c revision 1.58.12.2
1 /* $NetBSD: gumstix_machdep.c,v 1.58.12.2 2018/09/06 06:55:30 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_cputypes.h" 143 #include "opt_evbarm_boardtype.h" 144 #include "opt_gumstix.h" 145 #include "opt_kgdb.h" 146 #include "opt_multiprocessor.h" 147 #include "opt_pmap_debug.h" 148 #if defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 149 #include "opt_omap.h" 150 151 #if defined(DUOVERO) 152 #include "arml2cc.h" 153 #endif 154 #include "prcm.h" 155 #endif 156 157 #include <sys/param.h> 158 #include <sys/conf.h> 159 #include <sys/device.h> 160 #include <sys/exec.h> 161 #include <sys/kernel.h> 162 #include <sys/proc.h> 163 #include <sys/reboot.h> 164 #include <sys/systm.h> 165 #include <sys/termios.h> 166 #include <sys/bus.h> 167 #include <sys/cpu.h> 168 #include <sys/gpio.h> 169 170 #include <prop/proplib.h> 171 172 #include <uvm/uvm_extern.h> 173 174 #include <arm/mainbus/mainbus.h> /* don't reorder */ 175 176 #include <machine/autoconf.h> /* don't reorder */ 177 #include <machine/bootconfig.h> 178 #include <arm/locore.h> 179 180 #include <arm/arm32/machdep.h> 181 #if NARML2CC > 0 182 #include <arm/cortex/pl310_var.h> 183 #endif 184 #include <arm/cortex/scu_reg.h> 185 #include <arm/omap/omap2_obiovar.h> 186 #include <arm/omap/am335x_prcm.h> 187 #include <arm/omap/omap2_gpio.h> 188 #include <arm/omap/omap2_gpmcreg.h> 189 #include <arm/omap/omap2_prcm.h> 190 #if defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 191 #include <arm/omap/omap2_reg.h> /* Must required "opt_omap.h" */ 192 #endif 193 #include <arm/omap/omap3_sdmmcreg.h> 194 #include <arm/omap/omap_var.h> 195 #include <arm/omap/omap_com.h> 196 #include <arm/omap/tifbvar.h> 197 #include <arm/xscale/pxa2x0reg.h> 198 #include <arm/xscale/pxa2x0var.h> 199 #include <arm/xscale/pxa2x0_gpio.h> 200 #include <evbarm/gumstix/gumstixreg.h> 201 #include <evbarm/gumstix/gumstixvar.h> 202 203 #include <dev/cons.h> 204 205 #ifdef KGDB 206 #include <sys/kgdb.h> 207 #endif 208 209 /* 210 * The range 0xc1000000 - 0xfd000000 is available for kernel VM space 211 * Core-logic registers and I/O mappings occupy 212 * 213 * 0xfd000000 - 0xfd800000 on gumstix 214 * 0xc0000000 - 0xc0400000 on overo, duovero and pepper 215 */ 216 #ifndef KERNEL_VM_BASE 217 #define KERNEL_VM_BASE 0xc8000000 218 #endif 219 #define KERNEL_VM_SIZE 0x35000000 220 221 BootConfig bootconfig; /* Boot config storage */ 222 static char bootargs[MAX_BOOT_STRING]; 223 const size_t bootargs_len = sizeof(bootargs) - 1; /* without nul */ 224 char *boot_args = NULL; 225 226 uint32_t system_serial_high; 227 uint32_t system_serial_low; 228 229 /* Prototypes */ 230 #if defined(GUMSTIX) 231 static void read_system_serial(void); 232 #endif 233 #if defined(OMAP2) 234 static void omap_reset(void); 235 static void find_cpu_clock(void); 236 #endif 237 static void process_kernel_args(int, char *[]); 238 static void process_kernel_args_liner(char *); 239 #ifdef KGDB 240 static void kgdb_port_init(void); 241 #endif 242 static void gumstix_device_register(device_t, void *); 243 244 bs_protos(bs_notimpl); 245 246 #include "com.h" 247 #if NCOM > 0 248 #include <dev/ic/comreg.h> 249 #include <dev/ic/comvar.h> 250 #endif 251 252 #if defined(CPU_XSCALE) 253 #include "lcd.h" 254 #endif 255 256 #ifndef CONSPEED 257 #define CONSPEED B115200 /* It's a setting of the default of u-boot */ 258 #endif 259 #ifndef CONMODE 260 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 261 #endif 262 263 int comcnspeed = CONSPEED; 264 int comcnmode = CONMODE; 265 266 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 267 static char console[16]; 268 #endif 269 270 const struct tifb_panel_info *tifb_panel_info = NULL; 271 /* Use TPS65217 White LED Driver */ 272 bool use_tps65217_wled = false; 273 274 extern void gxio_config(void); 275 extern void gxio_config_expansion(char *); 276 277 278 static inline pd_entry_t * 279 read_ttb(void) 280 { 281 long ttb; 282 283 __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb)); 284 285 return (pd_entry_t *)(ttb & ~((1<<14)-1)); 286 } 287 288 /* 289 * Static device mappings. These peripheral registers are mapped at 290 * fixed virtual addresses very early in initarm() so that we can use 291 * them while booting the kernel, and stay at the same address 292 * throughout whole kernel's life time. 293 * 294 * We use this table twice; once with bootstrap page table, and once 295 * with kernel's page table which we build up in initarm(). 296 * 297 * Since we map these registers into the bootstrap page table using 298 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 299 * registers segment-aligned and segment-rounded in order to avoid 300 * using the 2nd page tables. 301 */ 302 303 #define _A(a) ((a) & ~L1_S_OFFSET) 304 #define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1)) 305 306 static const struct pmap_devmap gumstix_devmap[] = { 307 #if defined(GUMSTIX) 308 { 309 GUMSTIX_GPIO_VBASE, 310 _A(PXA2X0_GPIO_BASE), 311 _S(PXA250_GPIO_SIZE), 312 VM_PROT_READ | VM_PROT_WRITE, 313 PTE_NOCACHE, 314 }, 315 { 316 GUMSTIX_CLKMAN_VBASE, 317 _A(PXA2X0_CLKMAN_BASE), 318 _S(PXA2X0_CLKMAN_SIZE), 319 VM_PROT_READ | VM_PROT_WRITE, 320 PTE_NOCACHE, 321 }, 322 { 323 GUMSTIX_INTCTL_VBASE, 324 _A(PXA2X0_INTCTL_BASE), 325 _S(PXA2X0_INTCTL_SIZE), 326 VM_PROT_READ | VM_PROT_WRITE, 327 PTE_NOCACHE, 328 }, 329 { 330 GUMSTIX_FFUART_VBASE, 331 _A(PXA2X0_FFUART_BASE), 332 _S(4 * COM_NPORTS), 333 VM_PROT_READ | VM_PROT_WRITE, 334 PTE_NOCACHE, 335 }, 336 { 337 GUMSTIX_STUART_VBASE, 338 _A(PXA2X0_STUART_BASE), 339 _S(4 * COM_NPORTS), 340 VM_PROT_READ | VM_PROT_WRITE, 341 PTE_NOCACHE, 342 }, 343 { 344 GUMSTIX_BTUART_VBASE, 345 _A(PXA2X0_BTUART_BASE), 346 _S(4 * COM_NPORTS), 347 VM_PROT_READ | VM_PROT_WRITE, 348 PTE_NOCACHE, 349 }, 350 { 351 GUMSTIX_HWUART_VBASE, 352 _A(PXA2X0_HWUART_BASE), 353 _S(4 * COM_NPORTS), 354 VM_PROT_READ | VM_PROT_WRITE, 355 PTE_NOCACHE, 356 }, 357 { 358 GUMSTIX_LCDC_VBASE, 359 _A(PXA2X0_LCDC_BASE), 360 _S(4 * COM_NPORTS), 361 VM_PROT_READ | VM_PROT_WRITE, 362 PTE_NOCACHE, 363 }, 364 #elif defined(OVERO) 365 { /* SCM, PRCM */ 366 OVERO_L4_CORE_VBASE, 367 _A(OMAP3530_L4_CORE_BASE), 368 _S(L1_S_SIZE), /* No need 16MB. Use only first 1MB */ 369 VM_PROT_READ | VM_PROT_WRITE, 370 PTE_NOCACHE 371 }, 372 { /* Console, GPIO[2-6] */ 373 OVERO_L4_PERIPHERAL_VBASE, 374 _A(OMAP3530_L4_PERIPHERAL_BASE), 375 _S(OMAP3530_L4_PERIPHERAL_SIZE), 376 VM_PROT_READ | VM_PROT_WRITE, 377 PTE_NOCACHE 378 }, 379 { /* GPIO1 */ 380 OVERO_L4_WAKEUP_VBASE, 381 _A(OMAP3530_L4_WAKEUP_BASE), 382 _S(OMAP3530_L4_WAKEUP_SIZE), 383 VM_PROT_READ | VM_PROT_WRITE, 384 PTE_NOCACHE 385 }, 386 { 387 OVERO_GPMC_VBASE, 388 _A(GPMC_BASE), 389 _S(GPMC_SIZE), 390 VM_PROT_READ | VM_PROT_WRITE, 391 PTE_NOCACHE 392 }, 393 #elif defined(DUOVERO) 394 { 395 DUOVERO_L4_CM_VBASE, 396 _A(OMAP4430_L4_CORE_BASE + 0x100000), 397 _S(L1_S_SIZE), 398 VM_PROT_READ | VM_PROT_WRITE, 399 PTE_NOCACHE 400 }, 401 { /* Console, SCU, L2CC, GPIO[2-6] */ 402 DUOVERO_L4_PERIPHERAL_VBASE, 403 _A(OMAP4430_L4_PERIPHERAL_BASE), 404 _S(L1_S_SIZE * 3), 405 VM_PROT_READ | VM_PROT_WRITE, 406 PTE_NOCACHE 407 }, 408 { /* PRCM, GPIO1 */ 409 DUOVERO_L4_WAKEUP_VBASE, 410 _A(OMAP4430_L4_WAKEUP_BASE), 411 _S(OMAP4430_L4_WAKEUP_SIZE), 412 VM_PROT_READ | VM_PROT_WRITE, 413 PTE_NOCACHE 414 }, 415 { 416 DUOVERO_GPMC_VBASE, 417 _A(GPMC_BASE), 418 _S(GPMC_SIZE), 419 VM_PROT_READ | VM_PROT_WRITE, 420 PTE_NOCACHE 421 }, 422 #elif defined(PEPPER) 423 { 424 /* CM, Control Module, GPIO0, Console */ 425 PEPPER_PRCM_VBASE, 426 _A(OMAP2_CM_BASE), 427 _S(L1_S_SIZE), 428 VM_PROT_READ | VM_PROT_WRITE, 429 PTE_NOCACHE 430 }, 431 { 432 /* GPIO[1-3] */ 433 PEPPER_L4_PERIPHERAL_VBASE, 434 _A(TI_AM335X_L4_PERIPHERAL_BASE), 435 _S(L1_S_SIZE), 436 VM_PROT_READ | VM_PROT_WRITE, 437 PTE_NOCACHE 438 }, 439 #endif 440 { 0, 0, 0, 0, 0 } 441 }; 442 443 #undef _A 444 #undef _S 445 446 447 /* 448 * u_int initarm(...) 449 * 450 * Initial entry point on startup. This gets called before main() is 451 * entered. 452 * It should be responsible for setting up everything that must be 453 * in place when main is called. 454 * This includes 455 * Taking a copy of the boot configuration structure. 456 * Initialising the physical console so characters can be printed. 457 * Setting up page tables for the kernel 458 * Relocating the kernel to the bottom of physical memory 459 */ 460 u_int 461 initarm(void *arg) 462 { 463 extern char KERNEL_BASE_phys[]; 464 extern uint32_t *u_boot_args[]; 465 extern uint32_t ram_size; 466 enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */ 467 468 /* 469 * We mapped PA == VA in gumstix_start.S. 470 * Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable. 471 * 472 * Gumstix (basix, connex, verdex, verdex-pro): 473 * Physical Address Range Description 474 * ----------------------- ---------------------------------- 475 * 0x00000000 - 0x00ffffff flash Memory (16MB or 4MB) 476 * 0x40000000 - 0x480fffff Processor Registers 477 * 0xa0000000 - 0xa3ffffff SDRAM Bank 0 (64MB or 128MB) 478 * 0xc0000000 - 0xc3ffffff KERNEL_BASE 479 * 480 * Overo: 481 * Physical Address Range Description 482 * ----------------------- ---------------------------------- 483 * 0x80000000 - 0x9fffffff SDRAM Bank 0 484 * 0x80000000 - 0x83ffffff KERNEL_BASE 485 * 486 * DuoVero, Pepper: 487 * Physical Address Range Description 488 * ----------------------- ---------------------------------- 489 * 0x80000000 - 0xbfffffff SDRAM Bank 0 490 * 0x80000000 - 0x83ffffff KERNEL_BASE 491 */ 492 493 #if defined(CPU_XSCALE) 494 extern vaddr_t xscale_cache_clean_addr; 495 xscale_cache_clean_addr = 0xff000000U; 496 497 cpu_reset_address = NULL; 498 #elif defined(OMAP2) 499 cpu_reset_address = omap_reset; 500 501 find_cpu_clock(); 502 #endif 503 504 /* 505 * Heads up ... Setup the CPU / MMU / TLB functions 506 */ 507 if (set_cpufuncs()) 508 panic("cpu not recognized!"); 509 510 /* map some peripheral registers at static I/O area */ 511 pmap_devmap_bootstrap((vaddr_t)read_ttb(), gumstix_devmap); 512 513 #if defined(CPU_XSCALE) 514 /* start 32.768kHz OSC */ 515 ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON); 516 517 /* Get ready for splfoo() */ 518 pxa2x0_intr_bootstrap(GUMSTIX_INTCTL_VBASE); 519 520 /* setup GPIO for {FF,ST,HW}UART. */ 521 pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE); 522 523 pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE); 524 #endif 525 526 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 527 528 /* configure MUX, GPIO and CLK. */ 529 gxio_config(); 530 531 #ifndef GUMSTIX_NETBSD_ARGS_CONSOLE 532 consinit(); 533 #endif 534 #ifdef KGDB 535 kgdb_port_init(); 536 #endif 537 538 /* 539 * Examine the boot args string for options we need to know about 540 * now. 541 */ 542 #if defined(GUMSTIX) 543 #define SDRAM_START 0xa0000000UL 544 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 545 #define SDRAM_START 0x80000000UL 546 #endif 547 if ((uint32_t)u_boot_args[r0] < SDRAM_START || 548 (uint32_t)u_boot_args[r0] >= SDRAM_START + ram_size) 549 /* Maybe r0 is 'argc'. We are booted by command 'go'. */ 550 process_kernel_args((int)u_boot_args[r0], 551 (char **)u_boot_args[r1]); 552 else 553 /* 554 * Maybe r3 is 'boot args string' of 'bootm'. This string is 555 * linely. 556 */ 557 process_kernel_args_liner((char *)u_boot_args[r3]); 558 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 559 consinit(); 560 #endif 561 562 /* Talk to the user */ 563 #define BDSTR(s) _BDSTR(s) 564 #define _BDSTR(s) #s 565 printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n"); 566 567 /* Read system serial */ 568 #if defined(GUMSTIX) 569 read_system_serial(); 570 #endif 571 572 #ifdef VERBOSE_INIT_ARM 573 printf("initarm: Configuring system ...\n"); 574 #endif 575 576 #if defined(OMAP_4430) 577 const bus_space_tag_t iot = &omap_bs_tag; 578 bus_space_handle_t ioh; 579 580 #if NARML2CC > 0 581 /* 582 * Initialize L2-Cache parameters 583 */ 584 585 if (bus_space_map(iot, OMAP4_L2CC_BASE, OMAP4_L2CC_SIZE, 0, &ioh) != 0) 586 panic("OMAP4_L2CC_BASE map failed\n"); 587 arml2cc_init(iot, ioh, 0); 588 #endif 589 590 #ifdef MULTIPROCESSOR 591 if (bus_space_map(iot, OMAP4_SCU_BASE, SCU_SIZE, 0, &ioh) != 0) 592 panic("OMAP4_SCU_BASE map failed\n"); 593 arm_cpu_max = 594 1 + (bus_space_read_4(iot, ioh, SCU_CFG) & SCU_CFG_CPUMAX); 595 #endif 596 #endif 597 598 /* Fake bootconfig structure for the benefit of pmap.c */ 599 /* XXX must make the memory description h/w independent */ 600 bootconfig.dramblocks = 1; 601 bootconfig.dram[0].address = SDRAM_START; 602 bootconfig.dram[0].pages = ram_size / PAGE_SIZE; 603 604 KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE); 605 606 arm32_bootmem_init(bootconfig.dram[0].address, ram_size, 607 (uintptr_t) KERNEL_BASE_phys); 608 arm32_kernel_vm_init(KERNEL_VM_BASE, 609 #if defined(CPU_XSCALE) 610 ARM_VECTORS_LOW, 611 #elif defined(CPU_CORTEX) 612 ARM_VECTORS_HIGH, 613 #endif 614 0, gumstix_devmap, true); 615 616 evbarm_device_register = gumstix_device_register; 617 618 return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0); 619 } 620 621 #if defined(GUMSTIX) 622 static void 623 read_system_serial(void) 624 { 625 #define GUMSTIX_SYSTEM_SERIAL_ADDR 0 626 #define GUMSTIX_SYSTEM_SERIAL_SIZE 8 627 #define FLASH_OFFSET_INTEL_PROTECTION 0x81 628 #define FLASH_OFFSET_USER_PROTECTION 0x85 629 #define FLASH_CMD_READ_ID 0x90 630 #define FLASH_CMD_RESET 0xff 631 int i; 632 char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src; 633 char x; 634 635 src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/); 636 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 637 memcpy(system_serial, 638 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 639 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 640 641 for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++) 642 x &= system_serial[i]; 643 if (x == 0xff) { 644 src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/); 645 *(volatile uint16_t *)0 = FLASH_CMD_READ_ID; 646 memcpy(system_serial, 647 src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial)); 648 *(volatile uint16_t *)0 = FLASH_CMD_RESET; 649 650 /* 651 * XXXX: Don't need ??? 652 * gumstix_serial_hash(system_serial); 653 */ 654 } 655 system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 | 656 system_serial[2] << 8 | system_serial[3]; 657 system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 | 658 system_serial[6] << 8 | system_serial[7]; 659 660 printf("system serial: 0x"); 661 for (i = 0; i < sizeof (system_serial); i++) 662 printf("%02x", system_serial[i]); 663 printf("\n"); 664 } 665 #endif 666 667 #if defined(OMAP2) 668 static void 669 omap_reset(void) 670 { 671 672 #if defined(TI_AM335X) 673 vaddr_t prm_base = (PEPPER_PRCM_VBASE + AM335X_PRCM_PRM_DEVICE); 674 675 *(volatile uint32_t *)(prm_base + PRM_RSTCTRL) = RST_GLOBAL_WARM_SW; 676 #elif defined(OMAP_4430) 677 *(volatile uint32_t *)(DUOVERO_L4_WAKEUP_VBASE + OMAP4_PRM_RSTCTRL) = 678 OMAP4_PRM_RSTCTRL_WARM; 679 #endif 680 681 #if NPRCM > 0 682 prcm_cold_reset(); 683 #endif 684 } 685 686 static void 687 find_cpu_clock(void) 688 { 689 const vaddr_t prm_base __unused = OMAP2_PRM_BASE; 690 const vaddr_t cm_base = OMAP2_CM_BASE; 691 692 #if defined(OMAP_3530) 693 694 const uint32_t prm_clksel = 695 *(volatile uint32_t *)(prm_base + PLL_MOD + OMAP3_PRM_CLKSEL); 696 static const uint32_t prm_clksel_freqs[] = OMAP3_PRM_CLKSEL_FREQS; 697 const uint32_t sys_clk = 698 prm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP3_PRM_CLKSEL_CLKIN)]; 699 const uint32_t dpll1 = 700 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL1_PLL_MPU); 701 const uint32_t dpll2 = 702 *(volatile uint32_t *)(cm_base + OMAP3_CM_CLKSEL2_PLL_MPU); 703 const uint32_t m = 704 __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_MULT); 705 const uint32_t n = __SHIFTOUT(dpll1, OMAP3_CM_CLKSEL1_PLL_MPU_DPLL_DIV); 706 const uint32_t m2 = 707 __SHIFTOUT(dpll2, OMAP3_CM_CLKSEL2_PLL_MPU_DPLL_CLKOUT_DIV); 708 709 /* 710 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 711 */ 712 curcpu()->ci_data.cpu_cc_freq = 713 ((sys_clk * m) / ((n + 1) * m2 * 2)) * OMAP3_PRM_CLKSEL_MULT; 714 omap_sys_clk = sys_clk * OMAP3_PRM_CLKSEL_MULT; 715 716 #elif defined(OMAP_4430) 717 718 const uint32_t prm_clksel = 719 *(volatile uint32_t *)(prm_base + OMAP4_CM_SYS_CLKSEL); 720 static const uint32_t cm_clksel_freqs[] = OMAP4_CM_CLKSEL_FREQS; 721 const uint32_t sys_clk = 722 cm_clksel_freqs[__SHIFTOUT(prm_clksel, OMAP4_CM_SYS_CLKSEL_CLKIN)]; 723 const uint32_t dpll1 = 724 *(volatile uint32_t *)(cm_base + OMAP4_CM_CLKSEL_DPLL_MPU); 725 const uint32_t dpll2 = 726 *(volatile uint32_t *)(cm_base + OMAP4_CM_DIV_M2_DPLL_MPU); 727 const uint32_t m = 728 __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_MULT); 729 const uint32_t n = __SHIFTOUT(dpll1, OMAP4_CM_CLKSEL_DPLL_MPU_DPLL_DIV); 730 const uint32_t m2 = 731 __SHIFTOUT(dpll2, OMAP4_CM_DIV_M2_DPLL_MPU_DPLL_CLKOUT_DIV); 732 733 /* 734 * MPU_CLK supplies ARM_FCLK which is twice the CPU frequency. 735 */ 736 curcpu()->ci_data.cpu_cc_freq = 737 ((sys_clk * 2 * m) / ((n + 1) * m2)) * OMAP4_CM_CLKSEL_MULT / 2; 738 omap_sys_clk = sys_clk * OMAP4_CM_CLKSEL_MULT; 739 740 #elif defined(TI_AM335X) 741 742 prcm_bootstrap(cm_base); 743 am335x_sys_clk(TI_AM335X_CTLMOD_BASE); 744 am335x_cpu_clk(); 745 746 #endif 747 } 748 #endif 749 750 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 751 static const char busheader_name[] = "busheader="; 752 #endif 753 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 754 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 755 static const char expansion_name[] = "expansion="; 756 #endif 757 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 758 static const char console_name[] = "console="; 759 #endif 760 static void 761 process_kernel_args(int argc, char *argv[]) 762 { 763 int gxio_configured = 0, i, j; 764 765 boothowto = 0; 766 767 for (i = 1, j = 0; i < argc; i++) { 768 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 769 if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) { 770 /* Configure for GPIOs of busheader side */ 771 gxio_config_expansion(argv[i] + strlen(busheader_name)); 772 gxio_configured = 1; 773 continue; 774 } 775 #endif 776 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 777 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 778 if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) { 779 /* Configure expansion */ 780 gxio_config_expansion(argv[i] + strlen(expansion_name)); 781 gxio_configured = 1; 782 continue; 783 } 784 #endif 785 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 786 if (!strncmp(argv[i], console_name, strlen(console_name))) { 787 strncpy(console, argv[i] + strlen(console_name), 788 sizeof(console)); 789 consinit(); 790 } 791 #endif 792 if (j == bootargs_len) { 793 *(bootargs + j) = '\0'; 794 continue; 795 } 796 if (j != 0) 797 *(bootargs + j++) = ' '; 798 strncpy(bootargs + j, argv[i], bootargs_len - j); 799 bootargs[bootargs_len] = '\0'; 800 j += strlen(argv[i]); 801 } 802 boot_args = bootargs; 803 804 parse_mi_bootargs(boot_args); 805 806 if (!gxio_configured) 807 gxio_config_expansion(NULL); 808 } 809 810 static void 811 process_kernel_args_liner(char *args) 812 { 813 int i = 0; 814 char *p = NULL; 815 816 boothowto = 0; 817 818 strncpy(bootargs, args, sizeof(bootargs)); 819 #if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \ 820 defined(GUMSTIX_NETBSD_ARGS_EXPANSION) 821 { 822 char *q; 823 824 if ((p = strstr(bootargs, expansion_name))) 825 q = p + strlen(expansion_name); 826 #ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER 827 else if ((p = strstr(bootargs, busheader_name))) 828 q = p + strlen(busheader_name); 829 #endif 830 if (p) { 831 char expansion[256], c; 832 833 i = 0; 834 do { 835 c = *(q + i); 836 if (c == ' ') 837 c = '\0'; 838 expansion[i++] = c; 839 } while (c != '\0' && i < sizeof(expansion)); 840 gxio_config_expansion(expansion); 841 strcpy(p, q + i); 842 } 843 } 844 #endif 845 if (p == NULL) 846 gxio_config_expansion(NULL); 847 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 848 p = strstr(bootargs, console_name); 849 if (p != NULL) { 850 char c; 851 852 i = 0; 853 do { 854 c = *(p + strlen(console_name) + i); 855 if (c == ' ') 856 c = '\0'; 857 console[i++] = c; 858 } while (c != '\0' && i < sizeof(console)); 859 consinit(); 860 strcpy(p, p + strlen(console_name) + i); 861 } 862 #endif 863 boot_args = bootargs; 864 865 parse_mi_bootargs(boot_args); 866 } 867 868 #ifdef KGDB 869 #ifndef KGDB_DEVNAME 870 #define KGDB_DEVNAME "ffuart" 871 #endif 872 const char kgdb_devname[] = KGDB_DEVNAME; 873 874 #ifndef KGDB_DEVRATE 875 #define KGDB_DEVRATE CONSPEED 876 #endif 877 int kgdb_devrate = KGDB_DEVRATE; 878 879 #if (NCOM > 0) 880 #ifndef KGDB_DEVMODE 881 #define KGDB_DEVMODE CONMODE 882 #endif 883 int comkgdbmode = KGDB_DEVMODE; 884 #endif /* NCOM */ 885 886 #endif /* KGDB */ 887 888 889 void 890 consinit(void) 891 { 892 static int consinit_called = 0; 893 894 if (consinit_called != 0) 895 return; 896 897 consinit_called = 1; 898 899 #if NCOM > 0 900 901 #ifdef GUMSTIX_NETBSD_ARGS_CONSOLE 902 /* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */ 903 if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') { 904 int i; 905 906 comcnspeed = 0; 907 for (i = 6; i < strlen(console) && isdigit(console[i]); i++) 908 comcnspeed = comcnspeed * 10 + (console[i] - '0'); 909 } 910 #endif 911 912 #if defined(GUMSTIX) 913 914 #ifdef FFUARTCONSOLE 915 #ifdef KGDB 916 if (strcmp(kgdb_devname, "ffuart") == 0){ 917 /* port is reserved for kgdb */ 918 } else 919 #endif 920 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 921 if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 || 922 strncmp(console, "ttyS0,", 6) == 0) 923 #endif 924 { 925 int rv; 926 927 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE, 928 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 929 if (rv == 0) { 930 pxa2x0_clkman_config(CKEN_FFUART, 1); 931 return; 932 } 933 } 934 #endif /* FFUARTCONSOLE */ 935 936 #ifdef STUARTCONSOLE 937 #ifdef KGDB 938 if (strcmp(kgdb_devname, "stuart") == 0) { 939 /* port is reserved for kgdb */ 940 } else 941 #endif 942 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 943 if (console[0] == '\0' || strcasecmp(console, "stuart") == 0) 944 #endif 945 { 946 int rv; 947 948 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE, 949 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 950 if (rv == 0) { 951 pxa2x0_clkman_config(CKEN_STUART, 1); 952 return; 953 } 954 } 955 #endif /* STUARTCONSOLE */ 956 957 #ifdef BTUARTCONSOLE 958 #ifdef KGDB 959 if (strcmp(kgdb_devname, "btuart") == 0) { 960 /* port is reserved for kgdb */ 961 } else 962 #endif 963 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 964 if (console[0] == '\0' || strcasecmp(console, "btuart") == 0) 965 #endif 966 { 967 int rv; 968 969 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE, 970 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 971 if (rv == 0) { 972 pxa2x0_clkman_config(CKEN_BTUART, 1); 973 return; 974 } 975 } 976 #endif /* BTUARTCONSOLE */ 977 978 #ifdef HWUARTCONSOLE 979 #ifdef KGDB 980 if (strcmp(kgdb_devname, "hwuart") == 0) { 981 /* port is reserved for kgdb */ 982 } else 983 #endif 984 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 985 if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0) 986 #endif 987 { 988 rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE, 989 comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode); 990 if (rv == 0) { 991 pxa2x0_clkman_config(CKEN_HWUART, 1); 992 return; 993 } 994 } 995 #endif /* HWUARTCONSOLE */ 996 997 #elif defined(OVERO) || defined(DUOVERO) || defined(PEPPER) 998 999 if (comcnattach(&omap_a4x_bs_tag, CONSADDR, comcnspeed, 1000 OMAP_COM_FREQ, COM_TYPE_NORMAL, comcnmode) == 0) 1001 return; 1002 1003 #endif /* GUMSTIX or OVERO */ 1004 1005 #endif /* NCOM */ 1006 1007 #if NLCD > 0 1008 #if defined(GUMSTIX_NETBSD_ARGS_CONSOLE) 1009 if (console[0] == '\0' || strcasecmp(console, "lcd") == 0) 1010 #endif 1011 { 1012 gxlcd_cnattach(); 1013 } 1014 #endif 1015 } 1016 1017 #ifdef KGDB 1018 static void 1019 kgdb_port_init(void) 1020 { 1021 #if (NCOM > 0) && defined(COM_PXA2X0) 1022 paddr_t paddr = 0; 1023 int cken = 0; 1024 1025 if (0 == strcmp(kgdb_devname, "ffuart")) { 1026 paddr = PXA2X0_FFUART_BASE; 1027 cken = CKEN_FFUART; 1028 } else if (0 == strcmp(kgdb_devname, "stuart")) { 1029 paddr = PXA2X0_STUART_BASE; 1030 cken = CKEN_STUART; 1031 } else if (0 == strcmp(kgdb_devname, "btuart")) { 1032 paddr = PXA2X0_BTUART_BASE; 1033 cken = CKEN_BTUART; 1034 } else if (0 == strcmp(kgdb_devname, "hwuart")) { 1035 paddr = PXA2X0_HWUART_BASE; 1036 cken = CKEN_HWUART; 1037 } 1038 1039 if (paddr && 1040 0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr, 1041 kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) { 1042 1043 pxa2x0_clkman_config(cken, 1); 1044 } 1045 1046 #endif 1047 } 1048 #endif 1049 1050 static void 1051 gumstix_device_register(device_t dev, void *aux) 1052 { 1053 prop_dictionary_t dict = device_properties(dev); 1054 1055 if (device_is_a(dev, "arma9tmr") || 1056 device_is_a(dev, "a9wdt")) { 1057 /* 1058 * We need to tell the A9 Global/Watchdog Timer 1059 * what frequency it runs at. 1060 */ 1061 1062 /* 1063 * This clock always runs at (arm_clk div 2) and only goes 1064 * to timers that are part of the A9 MP core subsystem. 1065 */ 1066 prop_dictionary_set_uint32(dict, "frequency", 1067 curcpu()->ci_data.cpu_cc_freq / 2); 1068 } 1069 if (device_is_a(dev, "armperiph")) { 1070 if (device_is_a(device_parent(dev), "mainbus")) { 1071 #if defined(OMAP2) 1072 /* 1073 * XXX KLUDGE ALERT XXX 1074 * The iot mainbus supplies is completely wrong since 1075 * it scales addresses by 2. The simpliest remedy is 1076 * to replace with our bus space used for the armcore 1077 * registers (which armperiph uses). 1078 */ 1079 struct mainbus_attach_args * const mb = aux; 1080 mb->mb_iot = &omap_bs_tag; 1081 #endif 1082 } 1083 } 1084 if (device_is_a(dev, "ehci")) { 1085 #if defined(OVERO) 1086 prop_dictionary_set_uint16(dict, "nports", 2); 1087 prop_dictionary_set_bool(dict, "phy-reset", true); 1088 prop_dictionary_set_cstring(dict, "port0-mode", "none"); 1089 prop_dictionary_set_int16(dict, "port0-gpio", -1); 1090 prop_dictionary_set_cstring(dict, "port1-mode", "phy"); 1091 prop_dictionary_set_int16(dict, "port1-gpio", 183); 1092 prop_dictionary_set_bool(dict, "port1-gpioval", true); 1093 #elif defined(DUOVERO) 1094 prop_dictionary_set_uint16(dict, "nports", 1); 1095 prop_dictionary_set_bool(dict, "phy-reset", true); 1096 prop_dictionary_set_cstring(dict, "port0-mode", "phy"); 1097 prop_dictionary_set_int16(dict, "port0-gpio", 62); 1098 prop_dictionary_set_bool(dict, "port0-gpioval", false); 1099 prop_dictionary_set_bool(dict, "port0-extclk", true); 1100 #endif 1101 prop_dictionary_set_uint16(dict, "dpll5-m", 443); 1102 prop_dictionary_set_uint16(dict, "dpll5-n", 11); 1103 prop_dictionary_set_uint16(dict, "dpll5-m2", 4); 1104 } 1105 if (device_is_a(dev, "ohci")) { 1106 if (prop_dictionary_set_bool(dict, 1107 "Ganged-power-mask-on-port1", 1) == false) { 1108 printf("WARNING: unable to set power-mask for port1" 1109 " property for %s\n", device_xname(dev)); 1110 } 1111 if (prop_dictionary_set_bool(dict, 1112 "Ganged-power-mask-on-port2", 1) == false) { 1113 printf("WARNING: unable to set power-mask for port2" 1114 " property for %s\n", device_xname(dev)); 1115 } 1116 if (prop_dictionary_set_bool(dict, 1117 "Ganged-power-mask-on-port3", 1) == false) { 1118 printf("WARNING: unable to set power-mask for port3" 1119 " property for %s\n", device_xname(dev)); 1120 } 1121 } 1122 if (device_is_a(dev, "omapmputmr")) { 1123 struct obio_attach_args *obio = aux; 1124 1125 switch (obio->obio_addr) { 1126 case 0x49032000: /* GPTIMER2 */ 1127 case 0x49034000: /* GPTIMER3 */ 1128 case 0x49036000: /* GPTIMER4 */ 1129 case 0x49038000: /* GPTIMER5 */ 1130 case 0x4903a000: /* GPTIMER6 */ 1131 case 0x4903c000: /* GPTIMER7 */ 1132 case 0x4903e000: /* GPTIMER8 */ 1133 case 0x49040000: /* GPTIMER9 */ 1134 #if defined(OVERO) 1135 { 1136 /* Ensure enable PRCM.CM_[FI]CLKEN_PER[3:10]. */ 1137 const int en = 1138 1 << (((obio->obio_addr >> 13) & 0x3f) - 0x16); 1139 1140 ioreg_write(OVERO_L4_CORE_VBASE + 0x5000, 1141 ioreg_read(OVERO_L4_CORE_VBASE + 0x5000) | en); 1142 ioreg_write(OVERO_L4_CORE_VBASE + 0x5010, 1143 ioreg_read(OVERO_L4_CORE_VBASE + 0x5010) | en); 1144 } 1145 #endif 1146 break; 1147 } 1148 } 1149 if (device_is_a(dev, "sdhc")) { 1150 bool dualvolt = false; 1151 1152 #if defined(OVERO) || defined(DUOVERO) 1153 if (device_is_a(device_parent(dev), "obio")) { 1154 struct obio_attach_args *obio = aux; 1155 1156 #if defined(OVERO) 1157 if (obio->obio_addr == SDMMC2_BASE_3530) 1158 dualvolt = true; 1159 #elif defined(DUOVERO) 1160 if (obio->obio_addr == SDMMC5_BASE_4430) 1161 dualvolt = true; 1162 #endif 1163 } 1164 #endif 1165 #if defined(PEPPER) 1166 if (device_is_a(device_parent(dev), "mainbus")) { 1167 struct mainbus_attach_args * const mb = aux; 1168 1169 if (mb->mb_iobase == SDMMC3_BASE_TIAM335X) 1170 dualvolt = true; 1171 } 1172 #endif 1173 prop_dictionary_set_bool(dict, "dual-volt", dualvolt); 1174 } 1175 if (device_is_a(dev, "tifb")) { 1176 prop_data_t panel_info; 1177 1178 panel_info = prop_data_create_data_nocopy(tifb_panel_info, 1179 sizeof(struct tifb_panel_info)); 1180 KASSERT(panel_info != NULL); 1181 prop_dictionary_set(dict, "panel-info", panel_info); 1182 prop_object_release(panel_info); 1183 1184 #if defined(OMAP2) 1185 /* enable LCD */ 1186 omap2_gpio_ctl(59, GPIO_PIN_OUTPUT); 1187 omap2_gpio_write(59, 0); /* reset */ 1188 delay(100); 1189 omap2_gpio_write(59, 1); 1190 #endif 1191 } 1192 if (device_is_a(dev, "tps65217pmic")) { 1193 #if defined(TI_AM335X) 1194 extern const char *mpu_supply; 1195 1196 mpu_supply = "DCDC3"; 1197 #endif 1198 1199 if (use_tps65217_wled) { 1200 prop_dictionary_set_int32(dict, "isel", 1); 1201 prop_dictionary_set_int32(dict, "fdim", 200); 1202 prop_dictionary_set_int32(dict, "brightness", 80); 1203 } 1204 } 1205 } 1206
Indexes created Tue Oct 28 12:10:06 GMT 2025