1 /* $NetBSD: kobo_machdep.c,v 1.8 2019/07/24 12:33:18 hkenken Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2003, 2005, 2010 Genetec Corporation. 5 * All rights reserved. 6 * Written by Hiroyuki Bessho for Genetec Corporation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Machine dependent functions for kernel setup for RAKUTEN Kobo. 30 * Based on iq80310_machhdep.c 31 */ 32 /* 33 * Copyright (c) 2001 Wasabi Systems, Inc. 34 * All rights reserved. 35 * 36 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed for the NetBSD Project by 49 * Wasabi Systems, Inc. 50 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 51 * or promote products derived from this software without specific prior 52 * written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 56 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 57 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 58 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 59 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 60 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 61 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 62 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 64 * POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 /* 68 * Copyright (c) 1997,1998 Mark Brinicombe. 69 * Copyright (c) 1997,1998 Causality Limited. 70 * All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. All advertising materials mentioning features or use of this software 81 * must display the following acknowledgement: 82 * This product includes software developed by Mark Brinicombe 83 * for the NetBSD Project. 84 * 4. The name of the company nor the name of the author may be used to 85 * endorse or promote products derived from this software without specific 86 * prior written permission. 87 * 88 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 89 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 90 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 91 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 92 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 93 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 94 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 95 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 96 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 97 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 98 * SUCH DAMAGE. 99 * 100 * Machine dependent functions for kernel setup for Intel IQ80310 evaluation 101 * boards using RedBoot firmware. 102 */ 103 104 #include <sys/cdefs.h> 105 __KERNEL_RCSID(0, "$NetBSD: kobo_machdep.c,v 1.8 2019/07/24 12:33:18 hkenken Exp $"); 106 107 #include "opt_evbarm_boardtype.h" 108 #include "opt_arm_debug.h" 109 #include "opt_console.h" 110 #include "opt_cputypes.h" 111 #include "opt_ddb.h" 112 #include "opt_kgdb.h" 113 #include "opt_md.h" 114 #include "opt_com.h" 115 #include "imxuart.h" 116 #include "opt_imxuart.h" 117 #include "opt_imx.h" 118 #include "opt_machdep.h" 119 120 #include <sys/param.h> 121 #include <sys/device.h> 122 #include <sys/reboot.h> 123 #include <sys/termios.h> 124 #include <sys/bus.h> 125 126 #include <machine/db_machdep.h> 127 #ifdef KGDB 128 #include <sys/kgdb.h> 129 #endif 130 131 #include <machine/bootconfig.h> 132 133 #include <arm/arm32/machdep.h> 134 135 #include <arm/imx/imx51reg.h> 136 #include <arm/imx/imx51var.h> 137 #include <arm/imx/imxuartreg.h> 138 #include <arm/imx/imxuartvar.h> 139 #include <arm/imx/imx50_iomuxreg.h> 140 141 #include <evbarm/kobo/kobo.h> 142 #include <evbarm/kobo/kobo_reg.h> 143 144 /* Kernel text starts 1MB in from the bottom of the kernel address space. */ 145 #define KERNEL_TEXT_BASE (KERNEL_BASE + 0x00100000) 146 147 BootConfig bootconfig; /* Boot config storage */ 148 static char bootargs[MAX_BOOT_STRING]; 149 char *boot_args = NULL; 150 151 extern char KERNEL_BASE_phys[]; 152 153 /* filled in before cleaning bss. keep in .data */ 154 u_int uboot_args[4] __attribute__((__section__(".data"))); 155 156 /* 157 * Macros to translate between physical and virtual for a subset of the 158 * kernel address space. *Not* for general use. 159 */ 160 #define KERNEL_BASE_PHYS ((paddr_t)KERNEL_BASE_phys) 161 162 void consinit(void); 163 164 #ifdef KGDB 165 void kgdb_port_init(void); 166 #endif 167 168 static void init_clocks(void); 169 static void setup_ioports(void); 170 171 #ifndef CONSPEED 172 #define CONSPEED B115200 /* What RedBoot uses */ 173 #endif 174 #ifndef CONMODE 175 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 176 #endif 177 178 int comcnspeed = CONSPEED; 179 int comcnmode = CONMODE; 180 181 /* 182 * Static device mappings. These peripheral registers are mapped at 183 * fixed virtual addresses very early in initarm() so that we can use 184 * them while booting the kernel, and stay at the same address 185 * throughout whole kernel's life time. 186 * 187 * We use this table twice; once with bootstrap page table, and once 188 * with kernel's page table which we build up in initarm(). 189 * 190 * Since we map these registers into the bootstrap page table using 191 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map 192 * registers segment-aligned and segment-rounded in order to avoid 193 * using the 2nd page tables. 194 */ 195 196 #define _A(a) ((a) & ~L1_S_OFFSET) 197 #define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1)) 198 199 const struct pmap_devmap kobo_devmap[] = { 200 { 201 /* for UART2, IOMUXC */ 202 .pd_va = _A(KOBO_IO_VBASE0), 203 .pd_pa = _A(KOBO_IO_PBASE0), 204 .pd_size = _S(L1_S_SIZE * 4), 205 .pd_prot = VM_PROT_READ|VM_PROT_WRITE, 206 .pd_cache = PTE_NOCACHE 207 }, 208 {0} 209 }; 210 211 #undef _A 212 #undef _S 213 214 #ifndef MEMSTART 215 #define MEMSTART 0x70000000 216 #endif 217 #ifndef MEMSIZE 218 #define MEMSIZE 256 219 #endif 220 221 static void 222 init_clocks(void) 223 { 224 cortex_pmc_ccnt_init(); 225 } 226 227 struct iomux_setup { 228 /* iomux registers are 32-bit wide, but upper 16 bits are not 229 * used. */ 230 uint16_t reg; 231 uint16_t val; 232 }; 233 234 #define IOMUX_M(padname, mux) \ 235 IOMUX_DATA(__CONCAT(IOMUXC_SW_MUX_CTL_PAD_,padname), mux) 236 237 #define IOMUX_P(padname, pad) \ 238 IOMUX_DATA(__CONCAT(IOMUXC_SW_PAD_CTL_PAD_,padname), pad) 239 240 #define IOMUX_MP(padname, mux, pad) \ 241 IOMUX_M(padname, mux), \ 242 IOMUX_P(padname, pad) 243 244 #define IOMUX_DATA(offset, value) \ 245 { \ 246 .reg = (offset), \ 247 .val = (value), \ 248 } 249 250 const struct iomux_setup iomux_setup_data[] = { 251 #define HYS PAD_CTL_HYS 252 #define ODE PAD_CTL_ODE 253 #define DSEHIGH PAD_CTL_DSE_HIGH 254 #define DSEMID PAD_CTL_DSE_MID 255 #define DSELOW PAD_CTL_DSE_LOW 256 #define DSEMAX PAD_CTL_DSE_MAX 257 #define SRE PAD_CTL_SRE 258 #define KEEPER PAD_CTL_KEEPER 259 #define PULL PAD_CTL_PULL 260 #define PU_22K PAD_CTL_PUS_22K_PU 261 #define PU_47K PAD_CTL_PUS_47K_PU 262 #define PU_100K PAD_CTL_PUS_100K_PU 263 #define PD_100K PAD_CTL_PUS_100K_PD 264 #define HVE PAD_CTL_HVE /* Low output voltage */ 265 266 #define ALT0 IOMUX_CONFIG_ALT0 267 #define ALT1 IOMUX_CONFIG_ALT1 268 #define ALT2 IOMUX_CONFIG_ALT2 269 #define ALT3 IOMUX_CONFIG_ALT3 270 #define ALT4 IOMUX_CONFIG_ALT4 271 #define ALT5 IOMUX_CONFIG_ALT5 272 #define ALT6 IOMUX_CONFIG_ALT6 273 #define ALT7 IOMUX_CONFIG_ALT7 274 #define SION IOMUX_CONFIG_SION 275 276 /* I2C1 */ 277 IOMUX_MP(I2C1_SCL, ALT0 | SION, PULL | PU_100K | HYS | ODE | DSEHIGH), 278 IOMUX_MP(I2C1_SDA, ALT0 | SION, PULL | PU_100K | HYS | ODE | DSEHIGH), 279 280 /* I2C2 */ 281 IOMUX_MP(I2C2_SCL, ALT0 | SION, PULL | PU_100K | HYS | ODE | DSEHIGH), 282 IOMUX_MP(I2C2_SDA, ALT0 | SION, PULL | PU_100K | HYS | ODE | DSEHIGH), 283 284 /* I2C3 */ 285 IOMUX_MP(I2C3_SCL, ALT0 | SION, PULL | PU_100K | HYS | ODE | DSEHIGH), 286 IOMUX_MP(I2C3_SDA, ALT0 | SION, PULL | PU_100K | HYS | ODE | DSEHIGH), 287 288 /* UART2 */ 289 IOMUX_MP(UART2_RXD, ALT0, HYS | PULL | DSEHIGH | SRE), 290 IOMUX_MP(UART2_TXD, ALT0, HYS | PULL | DSEHIGH | SRE), 291 292 /* SD1 */ 293 IOMUX_MP(SD1_CMD, ALT0, HVE | PU_22K | DSEMAX | SRE), 294 IOMUX_MP(SD1_CLK, ALT0, HVE | PU_22K | DSEMAX | SRE), 295 IOMUX_MP(SD1_D0, ALT0, HVE | PU_22K | DSEMAX | SRE), 296 IOMUX_MP(SD1_D1, ALT0, HVE | PU_22K | DSEMAX | SRE), 297 IOMUX_MP(SD1_D2, ALT0, HVE | PU_22K | DSEMAX | SRE), 298 IOMUX_MP(SD1_D3, ALT0, HVE | PU_22K | DSEMAX | SRE), 299 // IOMUX_MP(SD1_CD, ALT0, HVE | PU_22K | DSEMAX | SRE), 300 301 /* SD2 */ 302 IOMUX_MP(SD2_CMD, ALT0, HVE | PU_22K | DSEMAX | SRE), 303 IOMUX_MP(SD2_CLK, ALT0, HVE | PU_22K | DSEMAX | SRE), 304 IOMUX_MP(SD2_D0, ALT0, HVE | PU_22K | DSEMAX | SRE), 305 IOMUX_MP(SD2_D1, ALT0, HVE | PU_22K | DSEMAX | SRE), 306 IOMUX_MP(SD2_D2, ALT0, HVE | PU_22K | DSEMAX | SRE), 307 IOMUX_MP(SD2_D3, ALT0, HVE | PU_22K | DSEMAX | SRE), 308 IOMUX_MP(SD2_CD, ALT0, HVE | PU_22K | DSEMAX | SRE), 309 310 IOMUX_DATA(IOMUXC_ESDHC2_IPP_CARD_DET_SELECT_INPUT, INPUT_DAISY_1), 311 312 /* SD3 */ 313 IOMUX_MP(SD3_CMD, ALT0, HVE | PU_22K | DSEMAX | SRE), 314 IOMUX_MP(SD3_CLK, ALT0, HVE | PU_22K | DSEMAX | SRE), 315 IOMUX_MP(SD3_D0, ALT0, HVE | PU_22K | DSEMAX | SRE), 316 IOMUX_MP(SD3_D1, ALT0, HVE | PU_22K | DSEMAX | SRE), 317 IOMUX_MP(SD3_D2, ALT0, HVE | PU_22K | DSEMAX | SRE), 318 IOMUX_MP(SD3_D3, ALT0, HVE | PU_22K | DSEMAX | SRE), 319 // IOMUX_MP(SD3_CD, ALT0, HVE | PU_22K | DSEMAX | SRE), 320 321 /* OTG */ 322 IOMUX_M(PWM2, ALT2), 323 // IOMUX_MP(PWM1, ALT2, HYS | KEEPER | DSEHIGH), 324 325 /* EPDC */ 326 IOMUX_M(EPDC_D0, ALT0), 327 IOMUX_M(EPDC_D1, ALT0), 328 IOMUX_M(EPDC_D2, ALT0), 329 IOMUX_M(EPDC_D3, ALT0), 330 IOMUX_M(EPDC_D4, ALT0), 331 IOMUX_M(EPDC_D5, ALT0), 332 IOMUX_M(EPDC_D6, ALT0), 333 IOMUX_M(EPDC_D7, ALT0), 334 IOMUX_M(EPDC_GDCLK, ALT0), 335 IOMUX_M(EPDC_GDSP, ALT0), 336 IOMUX_M(EPDC_GDOE, ALT0), 337 IOMUX_M(EPDC_GDRL, ALT0), 338 IOMUX_M(EPDC_SDCLK, ALT0), 339 IOMUX_M(EPDC_SDOE, ALT0), 340 IOMUX_M(EPDC_SDLE, ALT0), 341 IOMUX_M(EPDC_BDR0, ALT0), 342 IOMUX_M(EPDC_BDR1, ALT0), 343 IOMUX_M(EPDC_SDCE0, ALT0), 344 345 IOMUX_M(EPDC_PWRSTAT, ALT1), /* GPIO3[28] */ 346 IOMUX_M(EPDC_PWRCTRL0, ALT1), /* GPIO3[29] */ 347 IOMUX_M(EPDC_VCOM0, ALT1), /* GPIO4[21] */ 348 IOMUX_M(UART4_TXD, ALT1), /* GPIO6[16] */ 349 IOMUX_M(UART4_RXD, ALT1), /* GPIO6[17] */ 350 351 // IOMUX_M(PWM2, ALT1), /* GPIO6[25] */ 352 353 #undef ODE 354 #undef HYS 355 #undef SRE 356 #undef PULL 357 #undef KEEPER 358 #undef PU_22K 359 #undef PU_47K 360 #undef PU_100K 361 #undef PD_100K 362 #undef HVE 363 #undef DSEMAX 364 #undef DSEHIGH 365 #undef DSEMID 366 #undef DSELOW 367 368 #undef ALT0 369 #undef ALT1 370 #undef ALT2 371 #undef ALT3 372 #undef ALT4 373 #undef ALT5 374 #undef ALT6 375 #undef ALT7 376 #undef SION 377 }; 378 379 static void 380 setup_ioports(void) 381 { 382 int i; 383 const struct iomux_setup *p; 384 385 for (i=0; i < __arraycount(iomux_setup_data); ++i) { 386 p = iomux_setup_data + i; 387 388 ioreg_write(KOBO_IOMUXC_VBASE + p->reg, 389 p->val); 390 } 391 } 392 393 #ifdef CONSDEVNAME 394 const char consdevname[] = CONSDEVNAME; 395 396 #ifndef CONMODE 397 #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 398 #endif 399 #ifndef CONSPEED 400 #define CONSPEED 115200 401 #endif 402 403 int consmode = CONMODE; 404 int consrate = CONSPEED; 405 406 #endif /* CONSDEVNAME */ 407 408 #ifndef IMXUART_FREQ 409 #define IMXUART_FREQ 24000000 410 #endif 411 412 /* 413 * vaddr_t initarm(...) 414 * 415 * Initial entry point on startup. This gets called before main() is 416 * entered. 417 * It should be responsible for setting up everything that must be 418 * in place when main is called. 419 * This includes 420 * Taking a copy of the boot configuration structure. 421 * Initialising the physical console so characters can be printed. 422 * Setting up page tables for the kernel 423 */ 424 vaddr_t 425 initarm(void *arg) 426 { 427 /* 428 * Heads up ... Setup the CPU / MMU / TLB functions 429 */ 430 if (set_cpufuncs()) // starts PMC counter 431 panic("cpu not recognized!"); 432 433 extern char ARM_BOOTSTRAP_LxPT[]; 434 pmap_devmap_bootstrap((vaddr_t)ARM_BOOTSTRAP_LxPT, kobo_devmap); 435 436 cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); 437 438 setup_ioports(); 439 440 consinit(); 441 442 init_clocks(); 443 444 #ifdef KGDB 445 kgdb_port_init(); 446 #endif 447 448 /* Talk to the user */ 449 printf("\nNetBSD/evbarm (" ___STRING(EVBARM_BOARDTYPE) ") booting ...\n"); 450 451 #ifdef BOOT_ARGS 452 char mi_bootargs[] = BOOT_ARGS; 453 parse_mi_bootargs(mi_bootargs); 454 #endif 455 bootargs[0] = '\0'; 456 457 #ifdef VERBOSE_INIT_ARM 458 printf("initarm: Configuring system"); 459 printf(", CLIDR=%010o CTR=%#x", 460 armreg_clidr_read(), armreg_ctr_read()); 461 printf("\n"); 462 #endif 463 464 #ifdef VERBOSE_INIT_ARM 465 printf("initarm: Configuring system ...\n"); 466 #endif 467 /* 468 * Set up the variables that define the availability of physical 469 * memory. 470 */ 471 472 /* Fake bootconfig structure for the benefit of pmap.c. */ 473 bootconfig.dramblocks = 1; 474 bootconfig.dram[0].address = MEMSTART; 475 bootconfig.dram[0].pages = (MEMSIZE * 1024 * 1024) / PAGE_SIZE; 476 477 psize_t ram_size = bootconfig.dram[0].pages * PAGE_SIZE; 478 479 #ifdef __HAVE_MM_MD_DIRECT_MAPPED_PHYS 480 const bool mapallmem_p = true; 481 if (ram_size > (KERNEL_VM_BASE - KERNEL_BASE)) { 482 printf("%s: dropping RAM size from %luMB to %uMB\n", 483 __func__, (unsigned long) (ram_size >> 20), 484 (KERNEL_VM_BASE - KERNEL_BASE) >> 20); 485 ram_size = KERNEL_VM_BASE - KERNEL_BASE; 486 } 487 KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE); 488 #else 489 const bool mapallmem_p = false; 490 #endif 491 492 arm32_bootmem_init(bootconfig.dram[0].address, ram_size, 493 KERNEL_BASE_PHYS); 494 arm32_kernel_vm_init(KERNEL_VM_BASE, ARM_VECTORS_HIGH, 0, 495 kobo_devmap, mapallmem_p); 496 497 #ifdef BOOTHOWTO 498 boothowto |= BOOTHOWTO; 499 #endif 500 501 return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0); 502 } 503 504 void 505 consinit(void) 506 { 507 static int consinit_called = 0; 508 509 if (consinit_called) 510 return; 511 512 consinit_called = 1; 513 514 #ifdef CONSDEVNAME 515 516 #if NIMXUART > 0 517 imxuart_set_frequency(IMXUART_FREQ, 2); 518 #endif 519 520 #if (NIMXUART > 0) && defined(IMXUARTCONSOLE) 521 if (strcmp(consdevname, "imxuart") == 0) { 522 paddr_t consaddr; 523 #ifdef CONADDR 524 consaddr = CONADDR; 525 #else 526 consaddr = IMX51_UART2_BASE; 527 #endif 528 imxuart_cnattach(&armv7_generic_bs_tag, consaddr, consrate, consmode); 529 return; 530 } 531 #endif 532 533 #endif 534 535 #if (NWSDISPLAY > 0) && defined(IMXEPDCCONSOLE) 536 #if NUKBD > 0 537 ukbd_cnattach(); 538 #endif 539 { 540 extern void kobo_cnattach(void); 541 kobo_cnattach(); 542 } 543 #endif 544 } 545 546 #ifdef KGDB 547 #ifndef KGDB_DEVNAME 548 #define KGDB_DEVNAME "imxuart" 549 #endif 550 #ifndef KGDB_DEVMODE 551 #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ 552 #endif 553 554 const char kgdb_devname[20] = KGDB_DEVNAME; 555 int kgdb_mode = KGDB_DEVMODE; 556 int kgdb_addr = KGDB_DEVADDR; 557 extern int kgdb_rate; /* defined in kgdb_stub.c */ 558 559 void 560 kgdb_port_init(void) 561 { 562 #if (NIMXUART > 0) 563 if (strcmp(kgdb_devname, "imxuart") == 0) { 564 imxuart_kgdb_attach(&armv7_generic_bs_tag, kgdb_addr, 565 kgdb_rate, kgdb_mode); 566 return; 567 } 568 569 #endif 570 } 571 #endif 572