1# SPDX-License-Identifier: GPL-2.0 2menu "Kernel hacking" 3 4source "lib/Kconfig.debug" 5 6config ARM_PTDUMP 7 bool "Export kernel pagetable layout to userspace via debugfs" 8 depends on DEBUG_KERNEL 9 depends on MMU 10 select DEBUG_FS 11 ---help--- 12 Say Y here if you want to show the kernel pagetable layout in a 13 debugfs file. This information is only useful for kernel developers 14 who are working in architecture specific areas of the kernel. 15 It is probably not a good idea to enable this feature in a production 16 kernel. 17 If in doubt, say "N" 18 19# RMK wants arm kernels compiled with frame pointers or stack unwinding. 20# If you know what you are doing and are willing to live without stack 21# traces, you can get a slightly smaller kernel by setting this option to 22# n, but then RMK will have to kill you ;). 23config FRAME_POINTER 24 bool 25 depends on !THUMB2_KERNEL 26 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER 27 help 28 If you say N here, the resulting kernel will be slightly smaller and 29 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, 30 when a problem occurs with the kernel, the information that is 31 reported is severely limited. 32 33config ARM_UNWIND 34 bool "Enable stack unwinding support (EXPERIMENTAL)" 35 depends on AEABI 36 default y 37 help 38 This option enables stack unwinding support in the kernel 39 using the information automatically generated by the 40 compiler. The resulting kernel image is slightly bigger but 41 the performance is not affected. Currently, this feature 42 only works with EABI compilers. If unsure say Y. 43 44config OLD_MCOUNT 45 bool 46 depends on FUNCTION_TRACER && FRAME_POINTER 47 default y 48 49config DEBUG_USER 50 bool "Verbose user fault messages" 51 help 52 When a user program crashes due to an exception, the kernel can 53 print a brief message explaining what the problem was. This is 54 sometimes helpful for debugging but serves no purpose on a 55 production system. Most people should say N here. 56 57 In addition, you need to pass user_debug=N on the kernel command 58 line to enable this feature. N consists of the sum of: 59 60 1 - undefined instruction events 61 2 - system calls 62 4 - invalid data aborts 63 8 - SIGSEGV faults 64 16 - SIGBUS faults 65 66# These options are only for real kernel hackers who want to get their hands dirty. 67config DEBUG_LL 68 bool "Kernel low-level debugging functions (read help!)" 69 depends on DEBUG_KERNEL 70 help 71 Say Y here to include definitions of printascii, printch, printhex 72 in the kernel. This is helpful if you are debugging code that 73 executes before the console is initialized. 74 75 Note that selecting this option will limit the kernel to a single 76 UART definition, as specified below. Attempting to boot the kernel 77 image on a different platform *will not work*, so this option should 78 not be enabled for kernels that are intended to be portable. 79 80choice 81 prompt "Kernel low-level debugging port" 82 depends on DEBUG_LL 83 84 config DEBUG_ALPINE_UART0 85 bool "Kernel low-level debugging messages via Alpine UART0" 86 depends on ARCH_ALPINE 87 select DEBUG_UART_8250 88 help 89 Say Y here if you want kernel low-level debugging support 90 on Alpine based platforms. 91 92 config DEBUG_ASM9260_UART 93 bool "Kernel low-level debugging via asm9260 UART" 94 depends on MACH_ASM9260 95 help 96 Say Y here if you want the debug print routines to direct 97 their output to an UART or USART port on asm9260 based 98 machines. 99 100 DEBUG_UART_PHYS | DEBUG_UART_VIRT 101 102 0x80000000 | 0xf0000000 | UART0 103 0x80004000 | 0xf0004000 | UART1 104 0x80008000 | 0xf0008000 | UART2 105 0x8000c000 | 0xf000c000 | UART3 106 0x80010000 | 0xf0010000 | UART4 107 0x80014000 | 0xf0014000 | UART5 108 0x80018000 | 0xf0018000 | UART6 109 0x8001c000 | 0xf001c000 | UART7 110 0x80020000 | 0xf0020000 | UART8 111 0x80024000 | 0xf0024000 | UART9 112 113 config DEBUG_AT91_RM9200_DBGU 114 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" 115 select DEBUG_AT91_UART 116 depends on SOC_AT91RM9200 || SOC_AT91SAM9 117 help 118 Say Y here if you want kernel low-level debugging support 119 on the DBGU port of: 120 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 121 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 122 123 config DEBUG_AT91_SAM9263_DBGU 124 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 125 select DEBUG_AT91_UART 126 depends on SOC_AT91SAM9 || SOC_SAMA5D3 127 help 128 Say Y here if you want kernel low-level debugging support 129 on the DBGU port of: 130 at91sam9263, at91sam9g45, at91sam9m10, 131 sama5d3 132 133 config DEBUG_AT91_SAMA5D2_UART1 134 bool "Kernel low-level debugging on SAMA5D2 UART1" 135 select DEBUG_AT91_UART 136 depends on SOC_SAMA5D2 137 help 138 Say Y here if you want kernel low-level debugging support 139 on the UART1 port of sama5d2. 140 141 config DEBUG_AT91_SAMA5D4_USART3 142 bool "Kernel low-level debugging on SAMA5D4 USART3" 143 select DEBUG_AT91_UART 144 depends on SOC_SAMA5D4 145 help 146 Say Y here if you want kernel low-level debugging support 147 on the USART3 port of sama5d4. 148 149 config DEBUG_AT91_SAMV7_USART1 150 bool "Kernel low-level debugging via SAMV7 USART1" 151 select DEBUG_AT91_UART 152 depends on SOC_SAMV7 153 help 154 Say Y here if you want the debug print routines to direct 155 their output to the USART1 port on SAMV7 based 156 machines. 157 158 config DEBUG_BCM2835 159 bool "Kernel low-level debugging on BCM2835 PL011 UART" 160 depends on ARCH_BCM2835 && ARCH_MULTI_V6 161 select DEBUG_UART_PL01X 162 163 config DEBUG_BCM2836 164 bool "Kernel low-level debugging on BCM2836 PL011 UART" 165 depends on ARCH_BCM2835 && ARCH_MULTI_V7 166 select DEBUG_UART_PL01X 167 168 config DEBUG_BCM_5301X 169 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 170 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 171 select DEBUG_UART_8250 172 173 config DEBUG_BCM_HR2 174 bool "Kernel low-level debugging on Hurricane 2 UART2" 175 depends on ARCH_BCM_HR2 176 select DEBUG_UART_8250 177 178 config DEBUG_BCM_KONA_UART 179 bool "Kernel low-level debugging messages via BCM KONA UART" 180 depends on ARCH_BCM_MOBILE 181 select DEBUG_UART_8250 182 help 183 Say Y here if you want kernel low-level debugging support 184 on Broadcom SoC platforms. 185 This low level debug works for Broadcom 186 mobile SoCs in the Kona family of chips (e.g. bcm28155, 187 bcm11351, etc...) 188 189 config DEBUG_BCM63XX_UART 190 bool "Kernel low-level debugging on BCM63XX UART" 191 depends on ARCH_BCM_63XX 192 193 config DEBUG_BERLIN_UART 194 bool "Marvell Berlin SoC Debug UART" 195 depends on ARCH_BERLIN 196 select DEBUG_UART_8250 197 help 198 Say Y here if you want kernel low-level debugging support 199 on Marvell Berlin SoC based platforms. 200 201 config DEBUG_BRCMSTB_UART 202 bool "Use BRCMSTB UART for low-level debug" 203 depends on ARCH_BRCMSTB 204 help 205 Say Y here if you want the debug print routines to direct 206 their output to the first serial port on these devices. The 207 UART physical and virtual address is automatically provided 208 based on the chip identification register value. 209 210 If you have a Broadcom STB chip and would like early print 211 messages to appear over the UART, select this option. 212 213 config DEBUG_CLPS711X_UART1 214 bool "Kernel low-level debugging messages via UART1" 215 depends on ARCH_CLPS711X 216 help 217 Say Y here if you want the debug print routines to direct 218 their output to the first serial port on these devices. 219 220 config DEBUG_CLPS711X_UART2 221 bool "Kernel low-level debugging messages via UART2" 222 depends on ARCH_CLPS711X 223 help 224 Say Y here if you want the debug print routines to direct 225 their output to the second serial port on these devices. 226 227 config DEBUG_CNS3XXX 228 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 229 depends on ARCH_CNS3XXX 230 select DEBUG_UART_8250 231 help 232 Say Y here if you want the debug print routines to direct 233 their output to the CNS3xxx UART0. 234 235 config DEBUG_DAVINCI_DA8XX_UART1 236 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 237 depends on ARCH_DAVINCI_DA8XX 238 select DEBUG_UART_8250 239 help 240 Say Y here if you want the debug print routines to direct 241 their output to UART1 serial port on DaVinci DA8XX devices. 242 243 config DEBUG_DAVINCI_DA8XX_UART2 244 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 245 depends on ARCH_DAVINCI_DA8XX 246 select DEBUG_UART_8250 247 help 248 Say Y here if you want the debug print routines to direct 249 their output to UART2 serial port on DaVinci DA8XX devices. 250 251 config DEBUG_DAVINCI_DMx_UART0 252 bool "Kernel low-level debugging on DaVinci DMx using UART0" 253 depends on ARCH_DAVINCI_DMx 254 select DEBUG_UART_8250 255 help 256 Say Y here if you want the debug print routines to direct 257 their output to UART0 serial port on DaVinci DMx devices. 258 259 config DEBUG_DC21285_PORT 260 bool "Kernel low-level debugging messages via footbridge serial port" 261 depends on FOOTBRIDGE 262 help 263 Say Y here if you want the debug print routines to direct 264 their output to the serial port in the DC21285 (Footbridge). 265 266 config DEBUG_DIGICOLOR_UA0 267 bool "Kernel low-level debugging messages via Digicolor UA0" 268 depends on ARCH_DIGICOLOR 269 help 270 Say Y here if you want the debug print routines to direct 271 their output to the UA0 serial port in the CX92755. 272 273 config DEBUG_EP93XX 274 bool "Kernel low-level debugging messages via ep93xx UART" 275 depends on ARCH_EP93XX 276 select DEBUG_UART_PL01X 277 help 278 Say Y here if you want kernel low-level debugging support 279 on Cirrus Logic EP93xx based platforms. 280 281 config DEBUG_FOOTBRIDGE_COM1 282 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 283 depends on FOOTBRIDGE 284 select DEBUG_UART_8250 285 help 286 Say Y here if you want the debug print routines to direct 287 their output to the 8250 at PCI COM1. 288 289 config DEBUG_GEMINI 290 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 291 depends on ARCH_GEMINI 292 select DEBUG_UART_8250 293 help 294 Say Y here if you want kernel low-level debugging support 295 on Cortina Gemini based platforms. 296 297 config DEBUG_HI3620_UART 298 bool "Hisilicon HI3620 Debug UART" 299 depends on ARCH_HI3xxx 300 select DEBUG_UART_PL01X 301 help 302 Say Y here if you want kernel low-level debugging support 303 on HI3620 UART. 304 305 config DEBUG_HIGHBANK_UART 306 bool "Kernel low-level debugging messages via Highbank UART" 307 depends on ARCH_HIGHBANK 308 select DEBUG_UART_PL01X 309 help 310 Say Y here if you want the debug print routines to direct 311 their output to the UART on Highbank based devices. 312 313 config DEBUG_HIP01_UART 314 bool "Hisilicon Hip01 Debug UART" 315 depends on ARCH_HIP01 316 select DEBUG_UART_8250 317 help 318 Say Y here if you want kernel low-level debugging support 319 on HIP01 UART. 320 321 config DEBUG_HIP04_UART 322 bool "Hisilicon HiP04 Debug UART" 323 depends on ARCH_HIP04 324 select DEBUG_UART_8250 325 help 326 Say Y here if you want kernel low-level debugging support 327 on HIP04 UART. 328 329 config DEBUG_HIX5HD2_UART 330 bool "Hisilicon Hix5hd2 Debug UART" 331 depends on ARCH_HIX5HD2 332 select DEBUG_UART_PL01X 333 help 334 Say Y here if you want kernel low-level debugging support 335 on Hix5hd2 UART. 336 337 config DEBUG_IMX1_UART 338 bool "i.MX1 Debug UART" 339 depends on SOC_IMX1 340 help 341 Say Y here if you want kernel low-level debugging support 342 on i.MX1. 343 344 config DEBUG_IMX23_UART 345 bool "i.MX23 Debug UART" 346 depends on SOC_IMX23 347 select DEBUG_UART_PL01X 348 help 349 Say Y here if you want kernel low-level debugging support 350 on i.MX23. 351 352 config DEBUG_IMX25_UART 353 bool "i.MX25 Debug UART" 354 depends on SOC_IMX25 355 help 356 Say Y here if you want kernel low-level debugging support 357 on i.MX25. 358 359 config DEBUG_IMX21_IMX27_UART 360 bool "i.MX21 and i.MX27 Debug UART" 361 depends on SOC_IMX21 || SOC_IMX27 362 help 363 Say Y here if you want kernel low-level debugging support 364 on i.MX21 or i.MX27. 365 366 config DEBUG_IMX28_UART 367 bool "i.MX28 Debug UART" 368 depends on SOC_IMX28 369 select DEBUG_UART_PL01X 370 help 371 Say Y here if you want kernel low-level debugging support 372 on i.MX28. 373 374 config DEBUG_IMX31_UART 375 bool "i.MX31 Debug UART" 376 depends on SOC_IMX31 377 help 378 Say Y here if you want kernel low-level debugging support 379 on i.MX31. 380 381 config DEBUG_IMX35_UART 382 bool "i.MX35 Debug UART" 383 depends on SOC_IMX35 384 help 385 Say Y here if you want kernel low-level debugging support 386 on i.MX35. 387 388 config DEBUG_IMX50_UART 389 bool "i.MX50 Debug UART" 390 depends on SOC_IMX50 391 help 392 Say Y here if you want kernel low-level debugging support 393 on i.MX50. 394 395 config DEBUG_IMX51_UART 396 bool "i.MX51 Debug UART" 397 depends on SOC_IMX51 398 help 399 Say Y here if you want kernel low-level debugging support 400 on i.MX51. 401 402 config DEBUG_IMX53_UART 403 bool "i.MX53 Debug UART" 404 depends on SOC_IMX53 405 help 406 Say Y here if you want kernel low-level debugging support 407 on i.MX53. 408 409 config DEBUG_IMX6Q_UART 410 bool "i.MX6Q/DL Debug UART" 411 depends on SOC_IMX6Q 412 help 413 Say Y here if you want kernel low-level debugging support 414 on i.MX6Q/DL. 415 416 config DEBUG_IMX6SL_UART 417 bool "i.MX6SL Debug UART" 418 depends on SOC_IMX6SL 419 help 420 Say Y here if you want kernel low-level debugging support 421 on i.MX6SL. 422 423 config DEBUG_IMX6SX_UART 424 bool "i.MX6SX Debug UART" 425 depends on SOC_IMX6SX 426 help 427 Say Y here if you want kernel low-level debugging support 428 on i.MX6SX. 429 430 config DEBUG_IMX6UL_UART 431 bool "i.MX6UL Debug UART" 432 depends on SOC_IMX6UL 433 help 434 Say Y here if you want kernel low-level debugging support 435 on i.MX6UL. 436 437 config DEBUG_IMX7D_UART 438 bool "i.MX7D Debug UART" 439 depends on SOC_IMX7D 440 help 441 Say Y here if you want kernel low-level debugging support 442 on i.MX7D. 443 444 config DEBUG_INTEGRATOR 445 bool "Kernel low-level debugging messages via ARM Integrator UART" 446 depends on ARCH_INTEGRATOR 447 select DEBUG_UART_PL01X 448 help 449 Say Y here if you want kernel low-level debugging support 450 on ARM Integrator platforms. 451 452 config DEBUG_KEYSTONE_UART0 453 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 454 depends on ARCH_KEYSTONE 455 select DEBUG_UART_8250 456 help 457 Say Y here if you want the debug print routines to direct 458 their output to UART0 serial port on KEYSTONE2 devices. 459 460 config DEBUG_KEYSTONE_UART1 461 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 462 depends on ARCH_KEYSTONE 463 select DEBUG_UART_8250 464 help 465 Say Y here if you want the debug print routines to direct 466 their output to UART1 serial port on KEYSTONE2 devices. 467 468 config DEBUG_KS8695_UART 469 bool "KS8695 Debug UART" 470 depends on ARCH_KS8695 471 help 472 Say Y here if you want kernel low-level debugging support 473 on KS8695. 474 475 config DEBUG_LPC18XX_UART0 476 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 477 depends on ARCH_LPC18XX 478 select DEBUG_UART_8250 479 help 480 Say Y here if you want kernel low-level debugging support 481 on NXP LPC18xx/43xx UART0. 482 483 config DEBUG_LPC32XX 484 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 485 depends on ARCH_LPC32XX 486 select DEBUG_UART_8250 487 help 488 Say Y here if you want kernel low-level debugging support 489 on NXP LPC32xx based platforms. 490 491 config DEBUG_MESON_UARTAO 492 bool "Kernel low-level debugging via Meson6 UARTAO" 493 depends on ARCH_MESON 494 help 495 Say Y here if you want kernel low-lever debugging support 496 on Amlogic Meson6 based platforms on the UARTAO. 497 498 config DEBUG_MMP_UART2 499 bool "Kernel low-level debugging message via MMP UART2" 500 depends on ARCH_MMP 501 select DEBUG_UART_8250 502 help 503 Say Y here if you want kernel low-level debugging support 504 on MMP UART2. 505 506 config DEBUG_MMP_UART3 507 bool "Kernel low-level debugging message via MMP UART3" 508 depends on ARCH_MMP 509 select DEBUG_UART_8250 510 help 511 Say Y here if you want kernel low-level debugging support 512 on MMP UART3. 513 514 config DEBUG_MVEBU_UART0 515 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 516 depends on ARCH_MVEBU 517 depends on ARCH_MVEBU && CPU_V7 518 select DEBUG_UART_8250 519 help 520 Say Y here if you want kernel low-level debugging support 521 on MVEBU based platforms on UART0. 522 523 This option should be used with the old bootloaders 524 that left the internal registers mapped at 525 0xd0000000. As of today, this is the case on 526 platforms such as the Globalscale Mirabox or the 527 Plathome OpenBlocks AX3, when using the original 528 bootloader. 529 530 This option will not work on older Marvell platforms 531 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 532 the "new bootloader" variant. 533 534 If the wrong DEBUG_MVEBU_UART* option is selected, 535 when u-boot hands over to the kernel, the system 536 silently crashes, with no serial output at all. 537 538 config DEBUG_MVEBU_UART0_ALTERNATE 539 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 540 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 541 select DEBUG_UART_8250 542 help 543 Say Y here if you want kernel low-level debugging support 544 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 545 Kirkwood, Dove, MV78xx0, Orion5x). 546 547 548 This option should be used with the new bootloaders 549 that remap the internal registers at 0xf1000000. 550 551 If the wrong DEBUG_MVEBU_UART* option is selected, 552 when u-boot hands over to the kernel, the system 553 silently crashes, with no serial output at all. 554 555 config DEBUG_MVEBU_UART1_ALTERNATE 556 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 557 depends on ARCH_MVEBU 558 select DEBUG_UART_8250 559 help 560 Say Y here if you want kernel low-level debugging support 561 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 562 Kirkwood, Dove, MV78xx0, Orion5x). 563 564 This option should be used with the new bootloaders 565 that remap the internal registers at 0xf1000000. 566 All of the older (pre Armada XP/370) platforms also use 567 this address, regardless of the boot loader version. 568 569 If the wrong DEBUG_MVEBU_UART* option is selected, 570 when u-boot hands over to the kernel, the system 571 silently crashes, with no serial output at all. 572 573 config DEBUG_MT6589_UART0 574 bool "Mediatek mt6589 UART0" 575 depends on ARCH_MEDIATEK 576 select DEBUG_UART_8250 577 help 578 Say Y here if you want kernel low-level debugging support 579 for Mediatek mt6589 based platforms on UART0. 580 581 config DEBUG_MT8127_UART0 582 bool "Mediatek mt8127/mt6592 UART0" 583 depends on ARCH_MEDIATEK 584 select DEBUG_UART_8250 585 help 586 Say Y here if you want kernel low-level debugging support 587 for Mediatek mt8127 based platforms on UART0. 588 589 config DEBUG_MT8135_UART3 590 bool "Mediatek mt8135 UART3" 591 depends on ARCH_MEDIATEK 592 select DEBUG_UART_8250 593 help 594 Say Y here if you want kernel low-level debugging support 595 for Mediatek mt8135 based platforms on UART3. 596 597 config DEBUG_NETX_UART 598 bool "Kernel low-level debugging messages via NetX UART" 599 depends on ARCH_NETX 600 help 601 Say Y here if you want kernel low-level debugging support 602 on Hilscher NetX based platforms. 603 604 config DEBUG_NOMADIK_UART 605 bool "Kernel low-level debugging messages via NOMADIK UART" 606 depends on ARCH_NOMADIK 607 select DEBUG_UART_PL01X 608 help 609 Say Y here if you want kernel low-level debugging support 610 on NOMADIK based platforms. 611 612 config DEBUG_NSPIRE_CLASSIC_UART 613 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 614 depends on ARCH_NSPIRE 615 select DEBUG_UART_8250 616 help 617 Say Y here if you want kernel low-level debugging support 618 on TI-NSPIRE classic models. 619 620 config DEBUG_NSPIRE_CX_UART 621 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 622 depends on ARCH_NSPIRE 623 select DEBUG_UART_PL01X 624 help 625 Say Y here if you want kernel low-level debugging support 626 on TI-NSPIRE CX models. 627 628 config DEBUG_OMAP1UART1 629 bool "Kernel low-level debugging via OMAP1 UART1" 630 depends on ARCH_OMAP1 631 select DEBUG_UART_8250 632 help 633 Say Y here if you want kernel low-level debugging support 634 on OMAP1 based platforms (except OMAP730) on the UART1. 635 636 config DEBUG_OMAP1UART2 637 bool "Kernel low-level debugging via OMAP1 UART2" 638 depends on ARCH_OMAP1 639 select DEBUG_UART_8250 640 help 641 Say Y here if you want kernel low-level debugging support 642 on OMAP1 based platforms (except OMAP730) on the UART2. 643 644 config DEBUG_OMAP1UART3 645 bool "Kernel low-level debugging via OMAP1 UART3" 646 depends on ARCH_OMAP1 647 select DEBUG_UART_8250 648 help 649 Say Y here if you want kernel low-level debugging support 650 on OMAP1 based platforms (except OMAP730) on the UART3. 651 652 config DEBUG_OMAP2UART1 653 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 654 depends on ARCH_OMAP2PLUS 655 select DEBUG_UART_8250 656 help 657 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 658 omap3 torpedo and 3530 lv som. 659 660 config DEBUG_OMAP2UART2 661 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 662 depends on ARCH_OMAP2PLUS 663 select DEBUG_UART_8250 664 665 config DEBUG_OMAP2UART3 666 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 667 depends on ARCH_OMAP2PLUS 668 select DEBUG_UART_8250 669 670 config DEBUG_OMAP3UART3 671 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 672 depends on ARCH_OMAP2PLUS 673 select DEBUG_UART_8250 674 help 675 This covers at least cm_t3x, beagle, crane, devkit8000, 676 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 677 and 3517evm. 678 679 config DEBUG_OMAP4UART3 680 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 681 depends on ARCH_OMAP2PLUS 682 select DEBUG_UART_8250 683 684 config DEBUG_OMAP3UART4 685 bool "Kernel low-level debugging messages via OMAP36XX UART4" 686 depends on ARCH_OMAP2PLUS 687 select DEBUG_UART_8250 688 689 config DEBUG_OMAP4UART4 690 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 691 depends on ARCH_OMAP2PLUS 692 select DEBUG_UART_8250 693 694 config DEBUG_OMAP7XXUART1 695 bool "Kernel low-level debugging via OMAP730 UART1" 696 depends on ARCH_OMAP730 697 select DEBUG_UART_8250 698 help 699 Say Y here if you want kernel low-level debugging support 700 on OMAP730 based platforms on the UART1. 701 702 config DEBUG_OMAP7XXUART2 703 bool "Kernel low-level debugging via OMAP730 UART2" 704 depends on ARCH_OMAP730 705 select DEBUG_UART_8250 706 help 707 Say Y here if you want kernel low-level debugging support 708 on OMAP730 based platforms on the UART2. 709 710 config DEBUG_OMAP7XXUART3 711 bool "Kernel low-level debugging via OMAP730 UART3" 712 depends on ARCH_OMAP730 713 select DEBUG_UART_8250 714 help 715 Say Y here if you want kernel low-level debugging support 716 on OMAP730 based platforms on the UART3. 717 718 config DEBUG_TI81XXUART1 719 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 720 depends on ARCH_OMAP2PLUS 721 select DEBUG_UART_8250 722 723 config DEBUG_TI81XXUART2 724 bool "Kernel low-level debugging messages via TI81XX UART2" 725 depends on ARCH_OMAP2PLUS 726 select DEBUG_UART_8250 727 728 config DEBUG_TI81XXUART3 729 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 730 depends on ARCH_OMAP2PLUS 731 select DEBUG_UART_8250 732 733 config DEBUG_AM33XXUART1 734 bool "Kernel low-level debugging messages via AM33XX UART1" 735 depends on ARCH_OMAP2PLUS 736 select DEBUG_UART_8250 737 738 config DEBUG_ZOOM_UART 739 bool "Kernel low-level debugging messages via Zoom2/3 UART" 740 depends on ARCH_OMAP2PLUS 741 select DEBUG_OMAP2PLUS_UART 742 743 config DEBUG_PICOXCELL_UART 744 depends on ARCH_PICOXCELL 745 bool "Use PicoXcell UART for low-level debug" 746 select DEBUG_UART_8250 747 help 748 Say Y here if you want kernel low-level debugging support 749 on PicoXcell based platforms. 750 751 config DEBUG_PXA_UART1 752 depends on ARCH_PXA 753 bool "Use PXA UART1 for low-level debug" 754 select DEBUG_UART_8250 755 help 756 Say Y here if you want kernel low-level debugging support 757 on PXA UART1. 758 759 config DEBUG_QCOM_UARTDM 760 bool "Kernel low-level debugging messages via QCOM UARTDM" 761 depends on ARCH_QCOM 762 help 763 Say Y here if you want the debug print routines to direct 764 their output to the serial port on Qualcomm devices. 765 766 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 767 APQ8064 0x16640000 0xf0040000 768 APQ8084 0xf995e000 0xfa75e000 769 IPQ4019 0x078af000 0xf78af000 770 MSM8X60 0x19c40000 0xf0040000 771 MSM8960 0x16440000 0xf0040000 772 MSM8974 0xf991e000 0xfa71e000 773 774 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 775 options based on your needs. 776 777 config DEBUG_REALVIEW_STD_PORT 778 bool "RealView Default UART" 779 depends on ARCH_REALVIEW 780 select DEBUG_UART_PL01X 781 help 782 Say Y here if you want the debug print routines to direct 783 their output to the serial port on RealView EB, PB11MP, PBA8 784 and PBX platforms. 785 786 config DEBUG_REALVIEW_PB1176_PORT 787 bool "RealView PB1176 UART" 788 depends on MACH_REALVIEW_PB1176 789 select DEBUG_UART_PL01X 790 help 791 Say Y here if you want the debug print routines to direct 792 their output to the standard serial port on the RealView 793 PB1176 platform. 794 795 config DEBUG_RV1108_UART0 796 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 797 depends on ARCH_ROCKCHIP 798 select DEBUG_UART_8250 799 help 800 Say Y here if you want kernel low-level debugging support 801 on Rockchip RV1108 based platforms. 802 803 config DEBUG_RV1108_UART1 804 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 805 depends on ARCH_ROCKCHIP 806 select DEBUG_UART_8250 807 help 808 Say Y here if you want kernel low-level debugging support 809 on Rockchip RV1108 based platforms. 810 811 config DEBUG_RV1108_UART2 812 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 813 depends on ARCH_ROCKCHIP 814 select DEBUG_UART_8250 815 help 816 Say Y here if you want kernel low-level debugging support 817 on Rockchip RV1108 based platforms. 818 819 config DEBUG_RK29_UART0 820 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 821 depends on ARCH_ROCKCHIP 822 select DEBUG_UART_8250 823 help 824 Say Y here if you want kernel low-level debugging support 825 on Rockchip based platforms. 826 827 config DEBUG_RK29_UART1 828 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 829 depends on ARCH_ROCKCHIP 830 select DEBUG_UART_8250 831 help 832 Say Y here if you want kernel low-level debugging support 833 on Rockchip based platforms. 834 835 config DEBUG_RK29_UART2 836 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 837 depends on ARCH_ROCKCHIP 838 select DEBUG_UART_8250 839 help 840 Say Y here if you want kernel low-level debugging support 841 on Rockchip based platforms. 842 843 config DEBUG_RK3X_UART0 844 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 845 depends on ARCH_ROCKCHIP 846 select DEBUG_UART_8250 847 help 848 Say Y here if you want kernel low-level debugging support 849 on Rockchip based platforms. 850 851 config DEBUG_RK3X_UART1 852 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 853 depends on ARCH_ROCKCHIP 854 select DEBUG_UART_8250 855 help 856 Say Y here if you want kernel low-level debugging support 857 on Rockchip based platforms. 858 859 config DEBUG_RK3X_UART2 860 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 861 depends on ARCH_ROCKCHIP 862 select DEBUG_UART_8250 863 help 864 Say Y here if you want kernel low-level debugging support 865 on Rockchip based platforms. 866 867 config DEBUG_RK3X_UART3 868 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 869 depends on ARCH_ROCKCHIP 870 select DEBUG_UART_8250 871 help 872 Say Y here if you want kernel low-level debugging support 873 on Rockchip based platforms. 874 875 config DEBUG_RK32_UART2 876 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 877 depends on ARCH_ROCKCHIP 878 select DEBUG_UART_8250 879 help 880 Say Y here if you want kernel low-level debugging support 881 on Rockchip RK32xx based platforms. 882 883 config DEBUG_R7S72100_SCIF2 884 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 885 depends on ARCH_R7S72100 886 help 887 Say Y here if you want kernel low-level debugging support 888 via SCIF2 on Renesas RZ/A1H (R7S72100). 889 890 config DEBUG_RCAR_GEN1_SCIF0 891 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 892 depends on ARCH_R8A7778 893 help 894 Say Y here if you want kernel low-level debugging support 895 via SCIF0 on Renesas R-Car M1A (R8A7778). 896 897 config DEBUG_RCAR_GEN1_SCIF2 898 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 899 depends on ARCH_R8A7779 900 help 901 Say Y here if you want kernel low-level debugging support 902 via SCIF2 on Renesas R-Car H1 (R8A7779). 903 904 config DEBUG_RCAR_GEN2_SCIF0 905 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 906 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 907 ARCH_R8A7792 || ARCH_R8A7793 908 help 909 Say Y here if you want kernel low-level debugging support 910 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 911 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 912 913 config DEBUG_RCAR_GEN2_SCIF2 914 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 915 depends on ARCH_R8A7794 916 help 917 Say Y here if you want kernel low-level debugging support 918 via SCIF2 on Renesas R-Car E2 (R8A7794). 919 920 config DEBUG_RCAR_GEN2_SCIF4 921 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 922 depends on ARCH_R8A7745 923 help 924 Say Y here if you want kernel low-level debugging support 925 via SCIF4 on Renesas RZ/G1E (R8A7745). 926 927 config DEBUG_RMOBILE_SCIFA0 928 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 929 depends on ARCH_R8A73A4 930 help 931 Say Y here if you want kernel low-level debugging support 932 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 933 934 config DEBUG_RMOBILE_SCIFA1 935 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 936 depends on ARCH_R8A7740 937 help 938 Say Y here if you want kernel low-level debugging support 939 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 940 941 config DEBUG_RMOBILE_SCIFA4 942 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 943 depends on ARCH_SH73A0 944 help 945 Say Y here if you want kernel low-level debugging support 946 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 947 948 config DEBUG_S3C_UART0 949 depends on PLAT_SAMSUNG 950 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 951 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 952 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 953 select DEBUG_S5PV210_UART if ARCH_S5PV210 954 bool "Use Samsung S3C UART 0 for low-level debug" 955 help 956 Say Y here if you want the debug print routines to direct 957 their output to UART 0. The port must have been initialised 958 by the boot-loader before use. 959 960 config DEBUG_S3C_UART1 961 depends on PLAT_SAMSUNG 962 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 963 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 964 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 965 select DEBUG_S5PV210_UART if ARCH_S5PV210 966 bool "Use Samsung S3C UART 1 for low-level debug" 967 help 968 Say Y here if you want the debug print routines to direct 969 their output to UART 1. The port must have been initialised 970 by the boot-loader before use. 971 972 config DEBUG_S3C_UART2 973 depends on PLAT_SAMSUNG 974 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 975 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 976 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 977 select DEBUG_S5PV210_UART if ARCH_S5PV210 978 bool "Use Samsung S3C UART 2 for low-level debug" 979 help 980 Say Y here if you want the debug print routines to direct 981 their output to UART 2. The port must have been initialised 982 by the boot-loader before use. 983 984 config DEBUG_S3C_UART3 985 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 986 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 987 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 988 select DEBUG_S5PV210_UART if ARCH_S5PV210 989 bool "Use Samsung S3C UART 3 for low-level debug" 990 help 991 Say Y here if you want the debug print routines to direct 992 their output to UART 3. The port must have been initialised 993 by the boot-loader before use. 994 995 config DEBUG_S3C2410_UART0 996 depends on ARCH_S3C24XX 997 select DEBUG_S3C2410_UART 998 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 999 help 1000 Say Y here if you want the debug print routines to direct 1001 their output to UART 0. The port must have been initialised 1002 by the boot-loader before use. 1003 1004 config DEBUG_S3C2410_UART1 1005 depends on ARCH_S3C24XX 1006 select DEBUG_S3C2410_UART 1007 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1008 help 1009 Say Y here if you want the debug print routines to direct 1010 their output to UART 1. The port must have been initialised 1011 by the boot-loader before use. 1012 1013 config DEBUG_S3C2410_UART2 1014 depends on ARCH_S3C24XX 1015 select DEBUG_S3C2410_UART 1016 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1017 help 1018 Say Y here if you want the debug print routines to direct 1019 their output to UART 2. The port must have been initialised 1020 by the boot-loader before use. 1021 1022 config DEBUG_SA1100 1023 depends on ARCH_SA1100 1024 bool "Use SA1100 UARTs for low-level debug" 1025 help 1026 Say Y here if you want kernel low-level debugging support 1027 on SA-11x0 UART ports. The kernel will check for the first 1028 enabled UART in a sequence 3-1-2. 1029 1030 config DEBUG_SOCFPGA_UART0 1031 depends on ARCH_SOCFPGA 1032 bool "Use SOCFPGA UART0 for low-level debug" 1033 select DEBUG_UART_8250 1034 help 1035 Say Y here if you want kernel low-level debugging support 1036 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1037 1038 config DEBUG_SOCFPGA_UART1 1039 depends on ARCH_SOCFPGA 1040 bool "Use SOCFPGA UART1 for low-level debug" 1041 select DEBUG_UART_8250 1042 help 1043 Say Y here if you want kernel low-level debugging support 1044 on SOCFPGA(Arria 10) based platforms. 1045 1046 1047 config DEBUG_SUN9I_UART0 1048 bool "Kernel low-level debugging messages via sun9i UART0" 1049 depends on MACH_SUN9I 1050 select DEBUG_UART_8250 1051 help 1052 Say Y here if you want kernel low-level debugging support 1053 on Allwinner A80 based platforms on the UART0. 1054 1055 config DEBUG_SUNXI_UART0 1056 bool "Kernel low-level debugging messages via sunXi UART0" 1057 depends on ARCH_SUNXI 1058 select DEBUG_UART_8250 1059 help 1060 Say Y here if you want kernel low-level debugging support 1061 on Allwinner A1X based platforms on the UART0. 1062 1063 config DEBUG_SUNXI_UART1 1064 bool "Kernel low-level debugging messages via sunXi UART1" 1065 depends on ARCH_SUNXI 1066 select DEBUG_UART_8250 1067 help 1068 Say Y here if you want kernel low-level debugging support 1069 on Allwinner A1X based platforms on the UART1. 1070 1071 config DEBUG_SUNXI_R_UART 1072 bool "Kernel low-level debugging messages via sunXi R_UART" 1073 depends on MACH_SUN6I || MACH_SUN8I 1074 select DEBUG_UART_8250 1075 help 1076 Say Y here if you want kernel low-level debugging support 1077 on Allwinner A31/A23 based platforms on the R_UART. 1078 1079 config DEBUG_SIRFPRIMA2_UART1 1080 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1081 depends on ARCH_PRIMA2 1082 select DEBUG_SIRFSOC_UART 1083 help 1084 Say Y here if you want the debug print routines to direct 1085 their output to the uart1 port on SiRFprimaII devices. 1086 1087 config DEBUG_SIRFATLAS7_UART0 1088 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1089 depends on ARCH_ATLAS7 1090 select DEBUG_SIRFSOC_UART 1091 help 1092 Say Y here if you want the debug print routines to direct 1093 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1094 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1095 debug port can be very useful. 1096 1097 config DEBUG_SIRFATLAS7_UART1 1098 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1099 depends on ARCH_ATLAS7 1100 select DEBUG_SIRFSOC_UART 1101 help 1102 Say Y here if you want the debug print routines to direct 1103 their output to the uart1 port on SiRFATLAS7 devices. 1104 1105 config DEBUG_SPEAR3XX 1106 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1107 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1108 select DEBUG_UART_PL01X 1109 help 1110 Say Y here if you want kernel low-level debugging support 1111 on ST SPEAr based platforms. 1112 1113 config DEBUG_SPEAR13XX 1114 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1115 depends on ARCH_SPEAR13XX 1116 select DEBUG_UART_PL01X 1117 help 1118 Say Y here if you want kernel low-level debugging support 1119 on ST SPEAr13xx based platforms. 1120 1121 config STIH41X_DEBUG_ASC2 1122 bool "Use StiH415/416 ASC2 UART for low-level debug" 1123 depends on ARCH_STI 1124 select DEBUG_STI_UART 1125 help 1126 Say Y here if you want kernel low-level debugging support 1127 on STiH415/416 based platforms like b2000, which has 1128 default UART wired up to ASC2. 1129 1130 If unsure, say N. 1131 1132 config STIH41X_DEBUG_SBC_ASC1 1133 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1134 depends on ARCH_STI 1135 select DEBUG_STI_UART 1136 help 1137 Say Y here if you want kernel low-level debugging support 1138 on STiH415/416 based platforms like b2020. which has 1139 default UART wired up to SBC ASC1. 1140 1141 If unsure, say N. 1142 1143 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1144 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1145 depends on ARCH_TEGRA 1146 select DEBUG_TEGRA_UART 1147 help 1148 Automatically determines which UART to use for low-level 1149 debug based on the ODMDATA value. This value is part of 1150 the BCT, and is written to the boot memory device using 1151 nvflash, or other flashing tool. When bits 19:18 are 3, 1152 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1153 are UART A/B/C/D/E. 1154 1155 config TEGRA_DEBUG_UARTA 1156 bool "Kernel low-level debugging messages via Tegra UART A" 1157 depends on ARCH_TEGRA 1158 select DEBUG_TEGRA_UART 1159 help 1160 Say Y here if you want kernel low-level debugging support 1161 on Tegra based platforms. 1162 1163 config TEGRA_DEBUG_UARTB 1164 bool "Kernel low-level debugging messages via Tegra UART B" 1165 depends on ARCH_TEGRA 1166 select DEBUG_TEGRA_UART 1167 help 1168 Say Y here if you want kernel low-level debugging support 1169 on Tegra based platforms. 1170 1171 config TEGRA_DEBUG_UARTC 1172 bool "Kernel low-level debugging messages via Tegra UART C" 1173 depends on ARCH_TEGRA 1174 select DEBUG_TEGRA_UART 1175 help 1176 Say Y here if you want kernel low-level debugging support 1177 on Tegra based platforms. 1178 1179 config TEGRA_DEBUG_UARTD 1180 bool "Kernel low-level debugging messages via Tegra UART D" 1181 depends on ARCH_TEGRA 1182 select DEBUG_TEGRA_UART 1183 help 1184 Say Y here if you want kernel low-level debugging support 1185 on Tegra based platforms. 1186 1187 config TEGRA_DEBUG_UARTE 1188 bool "Kernel low-level debugging messages via Tegra UART E" 1189 depends on ARCH_TEGRA 1190 select DEBUG_TEGRA_UART 1191 help 1192 Say Y here if you want kernel low-level debugging support 1193 on Tegra based platforms. 1194 1195 config DEBUG_U300_UART 1196 bool "Kernel low-level debugging messages via U300 UART0" 1197 depends on ARCH_U300 1198 select DEBUG_UART_PL01X 1199 help 1200 Say Y here if you want the debug print routines to direct 1201 their output to the uart port on U300 devices. 1202 1203 config DEBUG_UX500_UART 1204 depends on ARCH_U8500 1205 bool "Use Ux500 UART for low-level debug" 1206 help 1207 Say Y here if you want kernel low-level debugging support 1208 on Ux500 based platforms. 1209 1210 config DEBUG_VERSATILE 1211 bool "Kernel low-level debugging messages via ARM Versatile UART" 1212 depends on ARCH_VERSATILE 1213 select DEBUG_UART_PL01X 1214 help 1215 Say Y here if you want kernel low-level debugging support 1216 on ARM Versatile platforms. 1217 1218 config DEBUG_VEXPRESS_UART0_DETECT 1219 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1220 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1221 help 1222 This option enables a simple heuristic which tries to determine 1223 the motherboard's memory map variant (original or RS1) and then 1224 choose the relevant UART0 base address. 1225 1226 Note that this will only work with standard A-class core tiles, 1227 and may fail with non-standard SMM or custom software models. 1228 1229 config DEBUG_VEXPRESS_UART0_CA9 1230 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1231 depends on ARCH_VEXPRESS 1232 select DEBUG_UART_PL01X 1233 help 1234 This option selects UART0 at 0x10009000. Except for custom models, 1235 this applies only to the V2P-CA9 tile. 1236 1237 config DEBUG_VEXPRESS_UART0_RS1 1238 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1239 depends on ARCH_VEXPRESS 1240 select DEBUG_UART_PL01X 1241 help 1242 This option selects UART0 at 0x1c090000. This applies to most 1243 of the tiles using the RS1 memory map, including all new A-class 1244 core tiles, FPGA-based SMMs and software models. 1245 1246 config DEBUG_VEXPRESS_UART0_CRX 1247 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1248 depends on ARCH_VEXPRESS && !MMU 1249 select DEBUG_UART_PL01X 1250 help 1251 This option selects UART0 at 0xb0090000. This is appropriate for 1252 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1253 1254 config DEBUG_VF_UART 1255 bool "Vybrid UART" 1256 depends on SOC_VF610 1257 help 1258 Say Y here if you want kernel low-level debugging support 1259 on Vybrid based platforms. 1260 1261 config DEBUG_VT8500_UART0 1262 bool "Use UART0 on VIA/Wondermedia SoCs" 1263 depends on ARCH_VT8500 1264 help 1265 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1266 devices, including VT8500, WM8505, WM8650 and WM8850. 1267 1268 config DEBUG_ZTE_ZX 1269 bool "Use ZTE ZX UART" 1270 select DEBUG_UART_PL01X 1271 depends on ARCH_ZX 1272 help 1273 Say Y here if you are enabling ZTE ZX296702 SOC and need 1274 debug uart support. 1275 1276 This option is preferred over the platform specific 1277 options; the platform specific options are deprecated 1278 and will be soon removed. 1279 1280 config DEBUG_ZYNQ_UART0 1281 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1282 depends on ARCH_ZYNQ 1283 help 1284 Say Y here if you want the debug print routines to direct 1285 their output to UART0 on the Zynq platform. 1286 1287 config DEBUG_ZYNQ_UART1 1288 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1289 depends on ARCH_ZYNQ 1290 help 1291 Say Y here if you want the debug print routines to direct 1292 their output to UART1 on the Zynq platform. 1293 1294 If you have a ZC702 board and want early boot messages to 1295 appear on the USB serial adaptor, select this option. 1296 1297 config DEBUG_ICEDCC 1298 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1299 help 1300 Say Y here if you want the debug print routines to direct 1301 their output to the EmbeddedICE macrocell's DCC channel using 1302 co-processor 14. This is known to work on the ARM9 style ICE 1303 channel and on the XScale with the PEEDI. 1304 1305 Note that the system will appear to hang during boot if there 1306 is nothing connected to read from the DCC. 1307 1308 config DEBUG_SEMIHOSTING 1309 bool "Kernel low-level debug output via semihosting I/O" 1310 help 1311 Semihosting enables code running on an ARM target to use 1312 the I/O facilities on a host debugger/emulator through a 1313 simple SVC call. The host debugger or emulator must have 1314 semihosting enabled for the special svc call to be trapped 1315 otherwise the kernel will crash. 1316 1317 This is known to work with OpenOCD, as well as 1318 ARM's Fast Models, or any other controlling environment 1319 that implements semihosting. 1320 1321 For more details about semihosting, please see 1322 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1323 1324 config DEBUG_LL_UART_8250 1325 bool "Kernel low-level debugging via 8250 UART" 1326 help 1327 Say Y here if you wish the debug print routes to direct 1328 their output to an 8250 UART. You can use this option 1329 to provide the parameters for the 8250 UART rather than 1330 selecting one of the platform specific options above if 1331 you know the parameters for the port. 1332 1333 This option is preferred over the platform specific 1334 options; the platform specific options are deprecated 1335 and will be soon removed. 1336 1337 config DEBUG_LL_UART_EFM32 1338 bool "Kernel low-level debugging via efm32 UART" 1339 depends on ARCH_EFM32 1340 help 1341 Say Y here if you want the debug print routines to direct 1342 their output to an UART or USART port on efm32 based 1343 machines. Use the following addresses for DEBUG_UART_PHYS: 1344 1345 0x4000c000 | USART0 1346 0x4000c400 | USART1 1347 0x4000c800 | USART2 1348 0x4000e000 | UART0 1349 0x4000e400 | UART1 1350 1351 config DEBUG_LL_UART_PL01X 1352 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1353 help 1354 Say Y here if you wish the debug print routes to direct 1355 their output to a PL01x Primecell UART. You can use 1356 this option to provide the parameters for the UART 1357 rather than selecting one of the platform specific 1358 options above if you know the parameters for the port. 1359 1360 This option is preferred over the platform specific 1361 options; the platform specific options are deprecated 1362 and will be soon removed. 1363 1364endchoice 1365 1366config DEBUG_AT91_UART 1367 bool 1368 depends on ARCH_AT91 1369 1370config DEBUG_EXYNOS_UART 1371 bool 1372 1373config DEBUG_S3C2410_UART 1374 bool 1375 select DEBUG_S3C24XX_UART 1376 1377config DEBUG_S3C24XX_UART 1378 bool 1379 1380config DEBUG_S3C64XX_UART 1381 bool 1382 1383config DEBUG_S5PV210_UART 1384 bool 1385 1386config DEBUG_OMAP2PLUS_UART 1387 bool 1388 depends on ARCH_OMAP2PLUS 1389 1390config DEBUG_IMX_UART_PORT 1391 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1392 DEBUG_IMX25_UART || \ 1393 DEBUG_IMX21_IMX27_UART || \ 1394 DEBUG_IMX31_UART || \ 1395 DEBUG_IMX35_UART || \ 1396 DEBUG_IMX50_UART || \ 1397 DEBUG_IMX51_UART || \ 1398 DEBUG_IMX53_UART || \ 1399 DEBUG_IMX6Q_UART || \ 1400 DEBUG_IMX6SL_UART || \ 1401 DEBUG_IMX6SX_UART || \ 1402 DEBUG_IMX6UL_UART || \ 1403 DEBUG_IMX7D_UART 1404 default 1 1405 depends on ARCH_MXC 1406 help 1407 Choose UART port on which kernel low-level debug messages 1408 should be output. 1409 1410config DEBUG_VF_UART_PORT 1411 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1412 default 1 1413 range 0 3 1414 depends on SOC_VF610 1415 help 1416 Choose UART port on which kernel low-level debug messages 1417 should be output. 1418 1419config DEBUG_TEGRA_UART 1420 bool 1421 depends on ARCH_TEGRA 1422 1423config DEBUG_STI_UART 1424 bool 1425 depends on ARCH_STI 1426 1427config DEBUG_SIRFSOC_UART 1428 bool 1429 depends on ARCH_SIRF 1430 1431config DEBUG_LL_INCLUDE 1432 string 1433 default "debug/sa1100.S" if DEBUG_SA1100 1434 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1435 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1436 default "debug/at91.S" if DEBUG_AT91_UART 1437 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1438 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1439 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1440 default "debug/meson.S" if DEBUG_MESON_UARTAO 1441 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1442 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1443 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1444 default "debug/icedcc.S" if DEBUG_ICEDCC 1445 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1446 DEBUG_IMX25_UART || \ 1447 DEBUG_IMX21_IMX27_UART || \ 1448 DEBUG_IMX31_UART || \ 1449 DEBUG_IMX35_UART || \ 1450 DEBUG_IMX50_UART || \ 1451 DEBUG_IMX51_UART || \ 1452 DEBUG_IMX53_UART ||\ 1453 DEBUG_IMX6Q_UART || \ 1454 DEBUG_IMX6SL_UART || \ 1455 DEBUG_IMX6SX_UART || \ 1456 DEBUG_IMX6UL_UART || \ 1457 DEBUG_IMX7D_UART 1458 default "debug/ks8695.S" if DEBUG_KS8695_UART 1459 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1460 default "debug/netx.S" if DEBUG_NETX_UART 1461 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1462 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1463 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1464 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1465 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1466 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1467 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1468 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1469 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1470 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1471 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1472 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1473 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1474 default "debug/sti.S" if DEBUG_STI_UART 1475 default "debug/tegra.S" if DEBUG_TEGRA_UART 1476 default "debug/ux500.S" if DEBUG_UX500_UART 1477 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1478 default "debug/vf.S" if DEBUG_VF_UART 1479 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1480 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1481 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1482 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1483 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1484 default "mach/debug-macro.S" 1485 1486# Compatibility options for PL01x 1487config DEBUG_UART_PL01X 1488 bool 1489 1490# Compatibility options for 8250 1491config DEBUG_UART_8250 1492 def_bool ARCH_EBSA110 || \ 1493 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1494 ARCH_RPC 1495 1496config DEBUG_UART_PHYS 1497 hex "Physical base address of debug UART" 1498 default 0x00100a00 if DEBUG_NETX_UART 1499 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1500 default 0x01c28000 if DEBUG_SUNXI_UART0 1501 default 0x01c28400 if DEBUG_SUNXI_UART1 1502 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1503 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1504 default 0x01f02800 if DEBUG_SUNXI_R_UART 1505 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1506 default 0x02531000 if DEBUG_KEYSTONE_UART1 1507 default 0x03010fe0 if ARCH_RPC 1508 default 0x07000000 if DEBUG_SUN9I_UART0 1509 default 0x09405000 if DEBUG_ZTE_ZX 1510 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1511 DEBUG_VEXPRESS_UART0_CA9 1512 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1513 default 0x10124000 if DEBUG_RK3X_UART0 1514 default 0x10126000 if DEBUG_RK3X_UART1 1515 default 0x101f1000 if DEBUG_VERSATILE 1516 default 0x101fb000 if DEBUG_NOMADIK_UART 1517 default 0x10210000 if DEBUG_RV1108_UART2 1518 default 0x10220000 if DEBUG_RV1108_UART1 1519 default 0x10230000 if DEBUG_RV1108_UART0 1520 default 0x11002000 if DEBUG_MT8127_UART0 1521 default 0x11006000 if DEBUG_MT6589_UART0 1522 default 0x11009000 if DEBUG_MT8135_UART3 1523 default 0x16000000 if DEBUG_INTEGRATOR 1524 default 0x18000300 if DEBUG_BCM_5301X 1525 default 0x18000400 if DEBUG_BCM_HR2 1526 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1527 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1528 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1529 default 0x20001000 if DEBUG_HIP01_UART 1530 default 0x20060000 if DEBUG_RK29_UART0 1531 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1532 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1533 default 0x20201000 if DEBUG_BCM2835 1534 default 0x3f201000 if DEBUG_BCM2836 1535 default 0x3e000000 if DEBUG_BCM_KONA_UART 1536 default 0x4000e400 if DEBUG_LL_UART_EFM32 1537 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1538 default 0x40081000 if DEBUG_LPC18XX_UART0 1539 default 0x40090000 if DEBUG_LPC32XX 1540 default 0x40100000 if DEBUG_PXA_UART1 1541 default 0x42000000 if DEBUG_GEMINI 1542 default 0x44e09000 if DEBUG_AM33XXUART1 1543 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1544 default 0x48022000 if DEBUG_TI81XXUART2 1545 default 0x48024000 if DEBUG_TI81XXUART3 1546 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1547 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1548 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1549 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1550 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1551 default 0x49020000 if DEBUG_OMAP3UART3 1552 default 0x49042000 if DEBUG_OMAP3UART4 1553 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1554 DEBUG_S3C2410_UART0) 1555 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1556 DEBUG_S3C2410_UART1) 1557 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1558 DEBUG_S3C2410_UART2) 1559 default 0x78000000 if DEBUG_CNS3XXX 1560 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1561 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1562 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1563 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1564 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1565 default 0x80010000 if DEBUG_ASM9260_UART 1566 default 0x80070000 if DEBUG_IMX23_UART 1567 default 0x80074000 if DEBUG_IMX28_UART 1568 default 0x80230000 if DEBUG_PICOXCELL_UART 1569 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1570 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1571 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1572 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1573 default 0xc0013000 if DEBUG_U300_UART 1574 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1575 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1576 default 0xd0000000 if DEBUG_SPEAR3XX 1577 default 0xd0012000 if DEBUG_MVEBU_UART0 1578 default 0xc81004c0 if DEBUG_MESON_UARTAO 1579 default 0xd4017000 if DEBUG_MMP_UART2 1580 default 0xd4018000 if DEBUG_MMP_UART3 1581 default 0xe0000000 if DEBUG_SPEAR13XX 1582 default 0xe4007000 if DEBUG_HIP04_UART 1583 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1584 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1585 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1586 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1587 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1588 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1589 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1590 default 0xf0000be0 if ARCH_EBSA110 1591 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1592 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1593 default 0xf7fc9000 if DEBUG_BERLIN_UART 1594 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1595 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1596 default 0xf991e000 if DEBUG_QCOM_UARTDM 1597 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1598 default 0xfcb00000 if DEBUG_HI3620_UART 1599 default 0xfd883000 if DEBUG_ALPINE_UART0 1600 default 0xfe800000 if ARCH_IOP32X 1601 default 0xff690000 if DEBUG_RK32_UART2 1602 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1603 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1604 default 0xffd82340 if ARCH_IOP13XX 1605 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1606 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1607 default 0xfff36000 if DEBUG_HIGHBANK_UART 1608 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1609 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1610 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1611 default 0xfffe8600 if DEBUG_BCM63XX_UART 1612 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1613 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1614 default 0xfffff700 if ARCH_IOP33X 1615 depends on ARCH_EP93XX || \ 1616 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1617 DEBUG_LL_UART_EFM32 || \ 1618 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1619 DEBUG_NETX_UART || \ 1620 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1621 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1622 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1623 DEBUG_RCAR_GEN2_SCIF4 || \ 1624 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1625 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1626 DEBUG_S3C64XX_UART || \ 1627 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1628 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1629 DEBUG_AT91_UART 1630 1631config DEBUG_UART_VIRT 1632 hex "Virtual base address of debug UART" 1633 default 0xc881f000 if DEBUG_RV1108_UART2 1634 default 0xc8821000 if DEBUG_RV1108_UART1 1635 default 0xc8912000 if DEBUG_RV1108_UART0 1636 default 0xe0000a00 if DEBUG_NETX_UART 1637 default 0xe0010fe0 if ARCH_RPC 1638 default 0xf0000be0 if ARCH_EBSA110 1639 default 0xf0010000 if DEBUG_ASM9260_UART 1640 default 0xf01fb000 if DEBUG_NOMADIK_UART 1641 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1642 default 0xf1000300 if DEBUG_BCM_5301X 1643 default 0xf1000400 if DEBUG_BCM_HR2 1644 default 0xf1002000 if DEBUG_MT8127_UART0 1645 default 0xf1006000 if DEBUG_MT6589_UART0 1646 default 0xf1009000 if DEBUG_MT8135_UART3 1647 default 0xf11f1000 if DEBUG_VERSATILE 1648 default 0xf1600000 if DEBUG_INTEGRATOR 1649 default 0xf1c28000 if DEBUG_SUNXI_UART0 1650 default 0xf1c28400 if DEBUG_SUNXI_UART1 1651 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1652 default 0xf31004c0 if DEBUG_MESON_UARTAO 1653 default 0xf4090000 if DEBUG_LPC32XX 1654 default 0xf4200000 if DEBUG_GEMINI 1655 default 0xf6200000 if DEBUG_PXA_UART1 1656 default 0xf7000000 if DEBUG_SUN9I_UART0 1657 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1658 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1659 DEBUG_S3C2410_UART0) 1660 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1661 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1662 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1663 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1664 DEBUG_S3C2410_UART1) 1665 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1666 DEBUG_S3C2410_UART2) 1667 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1668 default 0xf7fc9000 if DEBUG_BERLIN_UART 1669 default 0xf8007000 if DEBUG_HIP04_UART 1670 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1671 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1672 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1673 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1674 default 0xf9e09000 if DEBUG_AM33XXUART1 1675 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1676 default 0xfa022000 if DEBUG_TI81XXUART2 1677 default 0xfa024000 if DEBUG_TI81XXUART3 1678 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1679 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1680 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1681 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1682 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1683 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1684 default 0xfb002000 if DEBUG_CNS3XXX 1685 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1686 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1687 default 0xfb020000 if DEBUG_OMAP3UART3 1688 default 0xfb042000 if DEBUG_OMAP3UART4 1689 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1690 default 0xfc705000 if DEBUG_ZTE_ZX 1691 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1692 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1693 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1694 default 0xfd883000 if DEBUG_ALPINE_UART0 1695 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1696 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1697 default 0xfe017000 if DEBUG_MMP_UART2 1698 default 0xfe018000 if DEBUG_MMP_UART3 1699 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1700 default 0xfe230000 if DEBUG_PICOXCELL_UART 1701 default 0xfe300000 if DEBUG_BCM_KONA_UART 1702 default 0xfe800000 if ARCH_IOP32X 1703 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1704 default 0xfeb24000 if DEBUG_RK3X_UART0 1705 default 0xfeb26000 if DEBUG_RK3X_UART1 1706 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1707 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1708 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1709 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1710 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1711 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1712 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1713 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1714 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1715 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1716 default 0xfec90000 if DEBUG_RK32_UART2 1717 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1718 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1719 default 0xfed60000 if DEBUG_RK29_UART0 1720 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1721 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1722 default 0xfedc0000 if DEBUG_EP93XX 1723 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1724 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1725 default 0xfee82340 if ARCH_IOP13XX 1726 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1727 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1728 default 0xfef36000 if DEBUG_HIGHBANK_UART 1729 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1730 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1731 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1732 default 0xfefff700 if ARCH_IOP33X 1733 default 0xff003000 if DEBUG_U300_UART 1734 default 0xffd01000 if DEBUG_HIP01_UART 1735 default DEBUG_UART_PHYS if !MMU 1736 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1737 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1738 DEBUG_NETX_UART || \ 1739 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1740 DEBUG_S3C64XX_UART || \ 1741 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1742 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1743 DEBUG_AT91_UART 1744 1745config DEBUG_UART_8250_SHIFT 1746 int "Register offset shift for the 8250 debug UART" 1747 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1748 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1749 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1750 DEBUG_OMAP7XXUART3 1751 default 2 1752 1753config DEBUG_UART_8250_WORD 1754 bool "Use 32-bit accesses for 8250 UART" 1755 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1756 depends on DEBUG_UART_8250_SHIFT >= 2 1757 default y if DEBUG_PICOXCELL_UART || \ 1758 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1759 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1760 DEBUG_ALPINE_UART0 || \ 1761 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1762 DEBUG_DAVINCI_DA8XX_UART2 || \ 1763 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1764 1765config DEBUG_UART_8250_PALMCHIP 1766 bool "8250 UART is Palmchip BK-310x" 1767 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1768 help 1769 Palmchip provides a UART implementation compatible with 16550 1770 except for having a different register layout. Say Y here if 1771 the debug UART is of this type. 1772 1773config DEBUG_UART_8250_FLOW_CONTROL 1774 bool "Enable flow control for 8250 UART" 1775 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1776 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1777 1778config DEBUG_UNCOMPRESS 1779 bool "Enable decompressor debugging via DEBUG_LL output" 1780 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1781 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1782 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1783 !DEBUG_BRCMSTB_UART 1784 help 1785 This option influences the normal decompressor output for 1786 multiplatform kernels. Normally, multiplatform kernels disable 1787 decompressor output because it is not possible to know where to 1788 send the decompressor output. 1789 1790 When this option is set, the selected DEBUG_LL output method 1791 will be re-used for normal decompressor output on multiplatform 1792 kernels. 1793 1794 1795config UNCOMPRESS_INCLUDE 1796 string 1797 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1798 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1799 default "mach/uncompress.h" 1800 1801config EARLY_PRINTK 1802 bool "Early printk" 1803 depends on DEBUG_LL 1804 help 1805 Say Y here if you want to have an early console using the 1806 kernel low-level debugging functions. Add earlyprintk to your 1807 kernel parameters to enable this console. 1808 1809config ARM_KPROBES_TEST 1810 tristate "Kprobes test module" 1811 depends on KPROBES && MODULES 1812 help 1813 Perform tests of kprobes API and instruction set simulation. 1814 1815config PID_IN_CONTEXTIDR 1816 bool "Write the current PID to the CONTEXTIDR register" 1817 depends on CPU_COPY_V6 1818 help 1819 Enabling this option causes the kernel to write the current PID to 1820 the PROCID field of the CONTEXTIDR register, at the expense of some 1821 additional instructions during context switch. Say Y here only if you 1822 are planning to use hardware trace tools with this kernel. 1823 1824source "drivers/hwtracing/coresight/Kconfig" 1825 1826endmenu 1827