1# SPDX-License-Identifier: GPL-2.0 2 3config ARM_PTDUMP_CORE 4 def_bool n 5 6config ARM_PTDUMP_DEBUGFS 7 bool "Export kernel pagetable layout to userspace via debugfs" 8 depends on DEBUG_KERNEL 9 depends on MMU 10 select ARM_PTDUMP_CORE 11 select DEBUG_FS 12 help 13 Say Y here if you want to show the kernel pagetable layout in a 14 debugfs file. This information is only useful for kernel developers 15 who are working in architecture specific areas of the kernel. 16 It is probably not a good idea to enable this feature in a production 17 kernel. 18 If in doubt, say "N" 19 20config DEBUG_WX 21 bool "Warn on W+X mappings at boot" 22 depends on MMU 23 select ARM_PTDUMP_CORE 24 help 25 Generate a warning if any W+X mappings are found at boot. 26 27 This is useful for discovering cases where the kernel is leaving 28 W+X mappings after applying NX, as such mappings are a security risk. 29 30 Look for a message in dmesg output like this: 31 32 arm/mm: Checked W+X mappings: passed, no W+X pages found. 33 34 or like this, if the check failed: 35 36 arm/mm: Checked W+X mappings: FAILED, <N> W+X pages found. 37 38 Note that even if the check fails, your kernel is possibly 39 still fine, as W+X mappings are not a security hole in 40 themselves, what they do is that they make the exploitation 41 of other unfixed kernel bugs easier. 42 43 There is no runtime or memory usage effect of this option 44 once the kernel has booted up - it's a one time check. 45 46 If in doubt, say "Y". 47 48choice 49 prompt "Choose kernel unwinder" 50 default UNWINDER_ARM if AEABI 51 default UNWINDER_FRAME_POINTER if !AEABI 52 help 53 This determines which method will be used for unwinding kernel stack 54 traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, 55 livepatch, lockdep, and more. 56 57config UNWINDER_FRAME_POINTER 58 bool "Frame pointer unwinder" 59 depends on !THUMB2_KERNEL 60 select ARCH_WANT_FRAME_POINTERS 61 select FRAME_POINTER 62 help 63 This option enables the frame pointer unwinder for unwinding 64 kernel stack traces. 65 66config UNWINDER_ARM 67 bool "ARM EABI stack unwinder" 68 depends on AEABI 69 select ARM_UNWIND 70 help 71 This option enables stack unwinding support in the kernel 72 using the information automatically generated by the 73 compiler. The resulting kernel image is slightly bigger but 74 the performance is not affected. Currently, this feature 75 only works with EABI compilers. 76 77endchoice 78 79config ARM_UNWIND 80 bool 81 82config BACKTRACE_VERBOSE 83 bool "Verbose backtrace" 84 depends on EXPERT 85 help 86 When the kernel produces a warning or oops, the kernel prints a 87 trace of the call chain. This option controls whether we include 88 the numeric addresses or only include the symbolic information. 89 90 In most cases, say N here, unless you are intending to debug the 91 kernel and have access to the kernel binary image. 92 93config FRAME_POINTER 94 bool 95 96config DEBUG_USER 97 bool "Verbose user fault messages" 98 help 99 When a user program crashes due to an exception, the kernel can 100 print a brief message explaining what the problem was. This is 101 sometimes helpful for debugging but serves no purpose on a 102 production system. Most people should say N here. 103 104 In addition, you need to pass user_debug=N on the kernel command 105 line to enable this feature. N consists of the sum of: 106 107 1 - undefined instruction events 108 2 - system calls 109 4 - invalid data aborts 110 8 - SIGSEGV faults 111 16 - SIGBUS faults 112 113# These options are only for real kernel hackers who want to get their hands dirty. 114config DEBUG_LL 115 bool "Kernel low-level debugging functions (read help!)" 116 depends on DEBUG_KERNEL 117 help 118 Say Y here to include definitions of printascii, printch, printhex 119 in the kernel. This is helpful if you are debugging code that 120 executes before the console is initialized. 121 122 Note that selecting this option will limit the kernel to a single 123 UART definition, as specified below. Attempting to boot the kernel 124 image on a different platform *will not work*, so this option should 125 not be enabled for kernels that are intended to be portable. 126 127choice 128 prompt "Kernel low-level debugging port" 129 depends on DEBUG_LL 130 131 config DEBUG_ALPINE_UART0 132 bool "Kernel low-level debugging messages via Alpine UART0" 133 depends on ARCH_ALPINE 134 select DEBUG_UART_8250 135 help 136 Say Y here if you want kernel low-level debugging support 137 on Alpine based platforms. 138 139 config DEBUG_ASM9260_UART 140 bool "Kernel low-level debugging via asm9260 UART" 141 depends on MACH_ASM9260 142 help 143 Say Y here if you want the debug print routines to direct 144 their output to an UART or USART port on asm9260 based 145 machines. 146 147 DEBUG_UART_PHYS | DEBUG_UART_VIRT 148 149 0x80000000 | 0xf0000000 | UART0 150 0x80004000 | 0xf0004000 | UART1 151 0x80008000 | 0xf0008000 | UART2 152 0x8000c000 | 0xf000c000 | UART3 153 0x80010000 | 0xf0010000 | UART4 154 0x80014000 | 0xf0014000 | UART5 155 0x80018000 | 0xf0018000 | UART6 156 0x8001c000 | 0xf001c000 | UART7 157 0x80020000 | 0xf0020000 | UART8 158 0x80024000 | 0xf0024000 | UART9 159 160 config DEBUG_AT91_RM9200_DBGU 161 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU" 162 select DEBUG_AT91_UART 163 depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 164 help 165 Say Y here if you want kernel low-level debugging support 166 on the DBGU port of: 167 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 168 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5, sam9x60 169 170 config DEBUG_AT91_SAM9263_DBGU 171 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 172 select DEBUG_AT91_UART 173 depends on SOC_AT91SAM9 || SOC_SAMA5D3 174 help 175 Say Y here if you want kernel low-level debugging support 176 on the DBGU port of: 177 at91sam9263, at91sam9g45, at91sam9m10, 178 sama5d3 179 180 config DEBUG_AT91_SAMA5D2_UART1 181 bool "Kernel low-level debugging on SAMA5D2 UART1" 182 select DEBUG_AT91_UART 183 depends on SOC_SAMA5D2 184 help 185 Say Y here if you want kernel low-level debugging support 186 on the UART1 port of sama5d2. 187 188 config DEBUG_AT91_SAMA5D4_USART3 189 bool "Kernel low-level debugging on SAMA5D4 USART3" 190 select DEBUG_AT91_UART 191 depends on SOC_SAMA5D4 192 help 193 Say Y here if you want kernel low-level debugging support 194 on the USART3 port of sama5d4. 195 196 config DEBUG_AT91_SAMV7_USART1 197 bool "Kernel low-level debugging via SAMV7 USART1" 198 select DEBUG_AT91_UART 199 depends on SOC_SAMV7 200 help 201 Say Y here if you want the debug print routines to direct 202 their output to the USART1 port on SAMV7 based 203 machines. 204 205 config DEBUG_AT91_SAMA7G5_FLEXCOM3 206 bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3" 207 select DEBUG_AT91_UART 208 depends on SOC_SAMA7G5 209 help 210 Say Y here if you want kernel low-level debugging support 211 on the FLEXCOM3 port of SAMA7G5. 212 213 config DEBUG_AT91_LAN966_FLEXCOM 214 bool "Kernel low-level debugging on LAN966 FLEXCOM USART" 215 select DEBUG_AT91_UART 216 depends on SOC_LAN966 217 help 218 Say Y here if you want kernel low-level debugging support 219 on the FLEXCOM port of LAN966. 220 221 DEBUG_UART_PHYS | DEBUG_UART_VIRT 222 223 0xe0040200 | 0xfd040200 | FLEXCOM0 224 0xe0044200 | 0xfd044200 | FLEXCOM1 225 0xe0060200 | 0xfd060200 | FLEXCOM2 226 0xe0064200 | 0xfd064200 | FLEXCOM3 227 0xe0070200 | 0xfd070200 | FLEXCOM4 228 229 By default, enabling FLEXCOM3 port. Based on requirement, use 230 DEBUG_UART_PHYS and DEBUG_UART_VIRT configurations from above 231 table. 232 233 config DEBUG_BCM2835 234 bool "Kernel low-level debugging on BCM2835 PL011 UART" 235 depends on ARCH_BCM2835 && ARCH_MULTI_V6 236 select DEBUG_UART_PL01X 237 238 config DEBUG_BCM2836 239 bool "Kernel low-level debugging on BCM2836 PL011 UART" 240 depends on ARCH_BCM2835 && ARCH_MULTI_V7 241 select DEBUG_UART_PL01X 242 243 config DEBUG_BCM_5301X 244 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 245 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 246 select DEBUG_UART_8250 247 248 config DEBUG_BCM_HR2 249 bool "Kernel low-level debugging on Hurricane 2 UART2" 250 depends on ARCH_BCM_HR2 251 select DEBUG_UART_8250 252 253 config DEBUG_BCM_IPROC_UART3 254 bool "Kernel low-level debugging on BCM IPROC UART3" 255 depends on ARCH_BCM_CYGNUS 256 select DEBUG_UART_8250 257 help 258 Say Y here if you want the debug print routines to direct 259 their output to the third serial port on these devices. 260 261 config DEBUG_BCM_KONA_UART 262 bool "Kernel low-level debugging messages via BCM KONA UART" 263 depends on ARCH_BCM_MOBILE 264 select DEBUG_UART_8250 265 help 266 Say Y here if you want kernel low-level debugging support 267 on Broadcom SoC platforms. 268 This low level debug works for Broadcom 269 mobile SoCs in the Kona family of chips (e.g. bcm28155, 270 bcm11351, etc...) 271 272 config DEBUG_BCM63XX_UART 273 bool "Kernel low-level debugging on BCM63XX UART" 274 depends on ARCH_BCMBCA 275 276 config DEBUG_BERLIN_UART 277 bool "Marvell Berlin SoC Debug UART" 278 depends on ARCH_BERLIN 279 select DEBUG_UART_8250 280 help 281 Say Y here if you want kernel low-level debugging support 282 on Marvell Berlin SoC based platforms. 283 284 config DEBUG_BRCMSTB_UART 285 bool "Use BRCMSTB UART for low-level debug" 286 depends on ARCH_BRCMSTB 287 help 288 Say Y here if you want the debug print routines to direct 289 their output to the first serial port on these devices. The 290 UART physical and virtual address is automatically provided 291 based on the chip identification register value. 292 293 If you have a Broadcom STB chip and would like early print 294 messages to appear over the UART, select this option. 295 296 config DEBUG_CLPS711X_UART1 297 bool "Kernel low-level debugging messages via UART1" 298 depends on ARCH_CLPS711X 299 help 300 Say Y here if you want the debug print routines to direct 301 their output to the first serial port on these devices. 302 303 config DEBUG_CLPS711X_UART2 304 bool "Kernel low-level debugging messages via UART2" 305 depends on ARCH_CLPS711X 306 help 307 Say Y here if you want the debug print routines to direct 308 their output to the second serial port on these devices. 309 310 config DEBUG_DAVINCI_DA8XX_UART1 311 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 312 depends on ARCH_DAVINCI_DA8XX 313 select DEBUG_UART_8250 314 help 315 Say Y here if you want the debug print routines to direct 316 their output to UART1 serial port on DaVinci DA8XX devices. 317 318 config DEBUG_DAVINCI_DA8XX_UART2 319 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 320 depends on ARCH_DAVINCI_DA8XX 321 select DEBUG_UART_8250 322 help 323 Say Y here if you want the debug print routines to direct 324 their output to UART2 serial port on DaVinci DA8XX devices. 325 326 config DEBUG_DC21285_PORT 327 bool "Kernel low-level debugging messages via footbridge serial port" 328 depends on FOOTBRIDGE 329 help 330 Say Y here if you want the debug print routines to direct 331 their output to the serial port in the DC21285 (Footbridge). 332 333 config DEBUG_DIGICOLOR_UA0 334 bool "Kernel low-level debugging messages via Digicolor UA0" 335 depends on ARCH_DIGICOLOR 336 help 337 Say Y here if you want the debug print routines to direct 338 their output to the UA0 serial port in the CX92755. 339 340 config DEBUG_EP93XX 341 bool "Kernel low-level debugging messages via ep93xx UART" 342 depends on ARCH_EP93XX 343 select DEBUG_UART_PL01X 344 help 345 Say Y here if you want kernel low-level debugging support 346 on Cirrus Logic EP93xx based platforms. 347 348 config DEBUG_FOOTBRIDGE_COM1 349 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 350 depends on FOOTBRIDGE 351 select DEBUG_UART_8250 352 help 353 Say Y here if you want the debug print routines to direct 354 their output to the 8250 at PCI COM1. 355 356 config DEBUG_GEMINI 357 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 358 depends on ARCH_GEMINI 359 select DEBUG_UART_8250 360 help 361 Say Y here if you want kernel low-level debugging support 362 on Cortina Gemini based platforms. 363 364 config DEBUG_HI3620_UART 365 bool "Hisilicon HI3620 Debug UART" 366 depends on ARCH_HI3xxx 367 select DEBUG_UART_PL01X 368 help 369 Say Y here if you want kernel low-level debugging support 370 on HI3620 UART. 371 372 config DEBUG_HIGHBANK_UART 373 bool "Kernel low-level debugging messages via Highbank UART" 374 depends on ARCH_HIGHBANK 375 select DEBUG_UART_PL01X 376 help 377 Say Y here if you want the debug print routines to direct 378 their output to the UART on Highbank based devices. 379 380 config DEBUG_HIP01_UART 381 bool "Hisilicon Hip01 Debug UART" 382 depends on ARCH_HIP01 383 select DEBUG_UART_8250 384 help 385 Say Y here if you want kernel low-level debugging support 386 on HIP01 UART. 387 388 config DEBUG_HIP04_UART 389 bool "Hisilicon HiP04 Debug UART" 390 depends on ARCH_HIP04 391 select DEBUG_UART_8250 392 help 393 Say Y here if you want kernel low-level debugging support 394 on HIP04 UART. 395 396 config DEBUG_HIX5HD2_UART 397 bool "Hisilicon Hix5hd2 Debug UART" 398 depends on ARCH_HIX5HD2 399 select DEBUG_UART_PL01X 400 help 401 Say Y here if you want kernel low-level debugging support 402 on Hix5hd2 UART. 403 404 config DEBUG_IMX1_UART 405 bool "i.MX1 Debug UART" 406 depends on SOC_IMX1 407 help 408 Say Y here if you want kernel low-level debugging support 409 on i.MX1. 410 411 config DEBUG_IMX23_UART 412 bool "i.MX23 Debug UART" 413 depends on SOC_IMX23 414 select DEBUG_UART_PL01X 415 help 416 Say Y here if you want kernel low-level debugging support 417 on i.MX23. 418 419 config DEBUG_IMX25_UART 420 bool "i.MX25 Debug UART" 421 depends on SOC_IMX25 422 help 423 Say Y here if you want kernel low-level debugging support 424 on i.MX25. 425 426 config DEBUG_IMX27_UART 427 bool "i.MX27 Debug UART" 428 depends on SOC_IMX27 429 help 430 Say Y here if you want kernel low-level debugging support 431 on i.MX27. 432 433 config DEBUG_IMX28_UART 434 bool "i.MX28 Debug UART" 435 depends on SOC_IMX28 436 select DEBUG_UART_PL01X 437 help 438 Say Y here if you want kernel low-level debugging support 439 on i.MX28. 440 441 config DEBUG_IMX31_UART 442 bool "i.MX31 Debug UART" 443 depends on SOC_IMX31 444 help 445 Say Y here if you want kernel low-level debugging support 446 on i.MX31. 447 448 config DEBUG_IMX35_UART 449 bool "i.MX35 Debug UART" 450 depends on SOC_IMX35 451 help 452 Say Y here if you want kernel low-level debugging support 453 on i.MX35. 454 455 config DEBUG_IMX50_UART 456 bool "i.MX50 Debug UART" 457 depends on SOC_IMX50 458 help 459 Say Y here if you want kernel low-level debugging support 460 on i.MX50. 461 462 config DEBUG_IMX51_UART 463 bool "i.MX51 Debug UART" 464 depends on SOC_IMX51 465 help 466 Say Y here if you want kernel low-level debugging support 467 on i.MX51. 468 469 config DEBUG_IMX53_UART 470 bool "i.MX53 Debug UART" 471 depends on SOC_IMX53 472 help 473 Say Y here if you want kernel low-level debugging support 474 on i.MX53. 475 476 config DEBUG_IMX6Q_UART 477 bool "i.MX6Q/DL Debug UART" 478 depends on SOC_IMX6Q 479 help 480 Say Y here if you want kernel low-level debugging support 481 on i.MX6Q/DL. 482 483 config DEBUG_IMX6SL_UART 484 bool "i.MX6SL Debug UART" 485 depends on SOC_IMX6SL 486 help 487 Say Y here if you want kernel low-level debugging support 488 on i.MX6SL. 489 490 config DEBUG_IMX6SX_UART 491 bool "i.MX6SX Debug UART" 492 depends on SOC_IMX6SX 493 help 494 Say Y here if you want kernel low-level debugging support 495 on i.MX6SX. 496 497 config DEBUG_IMX6UL_UART 498 bool "i.MX6UL Debug UART" 499 depends on SOC_IMX6UL 500 help 501 Say Y here if you want kernel low-level debugging support 502 on i.MX6UL. 503 504 config DEBUG_IMX7D_UART 505 bool "i.MX7D Debug UART" 506 depends on SOC_IMX7D 507 help 508 Say Y here if you want kernel low-level debugging support 509 on i.MX7D. 510 511 config DEBUG_INTEGRATOR 512 bool "Kernel low-level debugging messages via ARM Integrator UART" 513 depends on ARCH_INTEGRATOR 514 select DEBUG_UART_PL01X 515 help 516 Say Y here if you want kernel low-level debugging support 517 on ARM Integrator platforms. 518 519 config DEBUG_KEYSTONE_UART0 520 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 521 depends on ARCH_KEYSTONE 522 select DEBUG_UART_8250 523 help 524 Say Y here if you want the debug print routines to direct 525 their output to UART0 serial port on KEYSTONE2 devices. 526 527 config DEBUG_KEYSTONE_UART1 528 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 529 depends on ARCH_KEYSTONE 530 select DEBUG_UART_8250 531 help 532 Say Y here if you want the debug print routines to direct 533 their output to UART1 serial port on KEYSTONE2 devices. 534 535 config DEBUG_LPC18XX_UART0 536 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 537 depends on ARCH_LPC18XX 538 select DEBUG_UART_8250 539 help 540 Say Y here if you want kernel low-level debugging support 541 on NXP LPC18xx/43xx UART0. 542 543 config DEBUG_LPC32XX 544 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 545 depends on ARCH_LPC32XX 546 select DEBUG_UART_8250 547 help 548 Say Y here if you want kernel low-level debugging support 549 on NXP LPC32xx based platforms. 550 551 config DEBUG_MESON_UARTAO 552 bool "Kernel low-level debugging via Meson6 UARTAO" 553 depends on ARCH_MESON 554 help 555 Say Y here if you want kernel low-lever debugging support 556 on Amlogic Meson6 based platforms on the UARTAO. 557 558 config DEBUG_MMP_UART2 559 bool "Kernel low-level debugging message via MMP UART2" 560 depends on ARCH_MMP 561 select DEBUG_UART_8250 562 help 563 Say Y here if you want kernel low-level debugging support 564 on MMP UART2. 565 566 config DEBUG_MMP_UART3 567 bool "Kernel low-level debugging message via MMP UART3" 568 depends on ARCH_MMP 569 select DEBUG_UART_8250 570 help 571 Say Y here if you want kernel low-level debugging support 572 on MMP UART3. 573 574 config DEBUG_MVEBU_UART0 575 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 576 depends on ARCH_MVEBU 577 depends on ARCH_MVEBU && CPU_V7 578 select DEBUG_UART_8250 579 help 580 Say Y here if you want kernel low-level debugging support 581 on MVEBU based platforms on UART0. 582 583 This option should be used with the old bootloaders 584 that left the internal registers mapped at 585 0xd0000000. As of today, this is the case on 586 platforms such as the Globalscale Mirabox or the 587 Plathome OpenBlocks AX3, when using the original 588 bootloader. 589 590 This option will not work on older Marvell platforms 591 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 592 the "new bootloader" variant. 593 594 If the wrong DEBUG_MVEBU_UART* option is selected, 595 when u-boot hands over to the kernel, the system 596 silently crashes, with no serial output at all. 597 598 config DEBUG_MVEBU_UART0_ALTERNATE 599 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 600 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 601 select DEBUG_UART_8250 602 help 603 Say Y here if you want kernel low-level debugging support 604 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 605 Kirkwood, Dove, MV78xx0, Orion5x). 606 607 608 This option should be used with the new bootloaders 609 that remap the internal registers at 0xf1000000. 610 611 If the wrong DEBUG_MVEBU_UART* option is selected, 612 when u-boot hands over to the kernel, the system 613 silently crashes, with no serial output at all. 614 615 config DEBUG_MVEBU_UART1_ALTERNATE 616 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 617 depends on ARCH_MVEBU 618 select DEBUG_UART_8250 619 help 620 Say Y here if you want kernel low-level debugging support 621 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 622 Kirkwood, Dove, MV78xx0, Orion5x). 623 624 This option should be used with the new bootloaders 625 that remap the internal registers at 0xf1000000. 626 All of the older (pre Armada XP/370) platforms also use 627 this address, regardless of the boot loader version. 628 629 If the wrong DEBUG_MVEBU_UART* option is selected, 630 when u-boot hands over to the kernel, the system 631 silently crashes, with no serial output at all. 632 633 config DEBUG_MSTARV7_PMUART 634 bool "Kernel low-level debugging messages via MSTARV7 PM UART" 635 depends on ARCH_MSTARV7 636 select DEBUG_UART_8250 637 help 638 Say Y here if you want kernel low-level debugging support 639 for MSTAR ARMv7-based platforms on PM UART. 640 641 config DEBUG_MT6589_UART0 642 bool "Mediatek mt6589 UART0" 643 depends on ARCH_MEDIATEK 644 select DEBUG_UART_8250 645 help 646 Say Y here if you want kernel low-level debugging support 647 for Mediatek mt6589 based platforms on UART0. 648 649 config DEBUG_MT8127_UART0 650 bool "Mediatek mt8127/mt6592 UART0" 651 depends on ARCH_MEDIATEK 652 select DEBUG_UART_8250 653 help 654 Say Y here if you want kernel low-level debugging support 655 for Mediatek mt8127 based platforms on UART0. 656 657 config DEBUG_MT8135_UART3 658 bool "Mediatek mt8135 UART3" 659 depends on ARCH_MEDIATEK 660 select DEBUG_UART_8250 661 help 662 Say Y here if you want kernel low-level debugging support 663 for Mediatek mt8135 based platforms on UART3. 664 665 config DEBUG_NOMADIK_UART 666 bool "Kernel low-level debugging messages via NOMADIK UART" 667 depends on ARCH_NOMADIK 668 select DEBUG_UART_PL01X 669 help 670 Say Y here if you want kernel low-level debugging support 671 on NOMADIK based platforms. 672 673 config DEBUG_NSPIRE_CLASSIC_UART 674 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 675 depends on ARCH_NSPIRE 676 select DEBUG_UART_8250 677 help 678 Say Y here if you want kernel low-level debugging support 679 on TI-NSPIRE classic models. 680 681 config DEBUG_NSPIRE_CX_UART 682 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 683 depends on ARCH_NSPIRE 684 select DEBUG_UART_PL01X 685 help 686 Say Y here if you want kernel low-level debugging support 687 on TI-NSPIRE CX models. 688 689 config DEBUG_OMAP1UART1 690 bool "Kernel low-level debugging via OMAP1 UART1" 691 depends on ARCH_OMAP1 692 select DEBUG_UART_8250 693 help 694 Say Y here if you want kernel low-level debugging support 695 on OMAP1 based platforms (except OMAP730) on the UART1. 696 697 config DEBUG_OMAP1UART2 698 bool "Kernel low-level debugging via OMAP1 UART2" 699 depends on ARCH_OMAP1 700 select DEBUG_UART_8250 701 help 702 Say Y here if you want kernel low-level debugging support 703 on OMAP1 based platforms (except OMAP730) on the UART2. 704 705 config DEBUG_OMAP1UART3 706 bool "Kernel low-level debugging via OMAP1 UART3" 707 depends on ARCH_OMAP1 708 select DEBUG_UART_8250 709 help 710 Say Y here if you want kernel low-level debugging support 711 on OMAP1 based platforms (except OMAP730) on the UART3. 712 713 config DEBUG_OMAP2UART1 714 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 715 depends on ARCH_OMAP2PLUS 716 select DEBUG_UART_8250 717 help 718 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 719 omap3 torpedo and 3530 lv som. 720 721 config DEBUG_OMAP2UART2 722 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 723 depends on ARCH_OMAP2PLUS 724 select DEBUG_UART_8250 725 726 config DEBUG_OMAP2UART3 727 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 728 depends on ARCH_OMAP2PLUS 729 select DEBUG_UART_8250 730 731 config DEBUG_OMAP3UART3 732 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 733 depends on ARCH_OMAP2PLUS 734 select DEBUG_UART_8250 735 help 736 This covers at least cm_t3x, beagle, crane, devkit8000, 737 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 738 and 3517evm. 739 740 config DEBUG_OMAP4UART3 741 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 742 depends on ARCH_OMAP2PLUS 743 select DEBUG_UART_8250 744 745 config DEBUG_OMAP3UART4 746 bool "Kernel low-level debugging messages via OMAP36XX UART4" 747 depends on ARCH_OMAP2PLUS 748 select DEBUG_UART_8250 749 750 config DEBUG_OMAP4UART4 751 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 752 depends on ARCH_OMAP2PLUS 753 select DEBUG_UART_8250 754 755 config DEBUG_TI81XXUART1 756 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 757 depends on ARCH_OMAP2PLUS 758 select DEBUG_UART_8250 759 760 config DEBUG_TI81XXUART2 761 bool "Kernel low-level debugging messages via TI81XX UART2" 762 depends on ARCH_OMAP2PLUS 763 select DEBUG_UART_8250 764 765 config DEBUG_TI81XXUART3 766 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 767 depends on ARCH_OMAP2PLUS 768 select DEBUG_UART_8250 769 770 config DEBUG_AM33XXUART1 771 bool "Kernel low-level debugging messages via AM33XX UART1" 772 depends on ARCH_OMAP2PLUS 773 select DEBUG_UART_8250 774 775 config DEBUG_ZOOM_UART 776 bool "Kernel low-level debugging messages via Zoom2/3 UART" 777 depends on ARCH_OMAP2PLUS 778 select DEBUG_OMAP2PLUS_UART 779 780 config DEBUG_PXA_UART1 781 depends on ARCH_PXA 782 bool "Use PXA UART1 for low-level debug" 783 select DEBUG_UART_8250 784 help 785 Say Y here if you want kernel low-level debugging support 786 on PXA UART1. 787 788 config DEBUG_QCOM_UARTDM 789 bool "Kernel low-level debugging messages via QCOM UARTDM" 790 depends on ARCH_QCOM 791 help 792 Say Y here if you want the debug print routines to direct 793 their output to the serial port on Qualcomm devices. 794 795 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 796 APQ8064 0x16640000 0xf0040000 797 APQ8084 0xf995e000 0xfa75e000 798 IPQ4019 0x078af000 0xf78af000 799 MSM8X60 0x19c40000 0xf0040000 800 MSM8960 0x16440000 0xf0040000 801 MSM8974 0xf991e000 0xfa71e000 802 803 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 804 options based on your needs. 805 806 config DEBUG_REALVIEW_STD_PORT 807 bool "RealView Default UART" 808 depends on ARCH_REALVIEW 809 select DEBUG_UART_PL01X 810 help 811 Say Y here if you want the debug print routines to direct 812 their output to the serial port on RealView EB, PB11MP, PBA8 813 and PBX platforms. 814 815 config DEBUG_REALVIEW_PB1176_PORT 816 bool "RealView PB1176 UART" 817 depends on MACH_REALVIEW_PB1176 818 select DEBUG_UART_PL01X 819 help 820 Say Y here if you want the debug print routines to direct 821 their output to the standard serial port on the RealView 822 PB1176 platform. 823 824 config DEBUG_RV1108_UART0 825 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 826 depends on ARCH_ROCKCHIP 827 select DEBUG_UART_8250 828 help 829 Say Y here if you want kernel low-level debugging support 830 on Rockchip RV1108 based platforms. 831 832 config DEBUG_RV1108_UART1 833 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 834 depends on ARCH_ROCKCHIP 835 select DEBUG_UART_8250 836 help 837 Say Y here if you want kernel low-level debugging support 838 on Rockchip RV1108 based platforms. 839 840 config DEBUG_RV1108_UART2 841 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 842 depends on ARCH_ROCKCHIP 843 select DEBUG_UART_8250 844 help 845 Say Y here if you want kernel low-level debugging support 846 on Rockchip RV1108 based platforms. 847 848 config DEBUG_RK29_UART0 849 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 850 depends on ARCH_ROCKCHIP 851 select DEBUG_UART_8250 852 help 853 Say Y here if you want kernel low-level debugging support 854 on Rockchip based platforms. 855 856 config DEBUG_RK29_UART1 857 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 858 depends on ARCH_ROCKCHIP 859 select DEBUG_UART_8250 860 help 861 Say Y here if you want kernel low-level debugging support 862 on Rockchip based platforms. 863 864 config DEBUG_RK29_UART2 865 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 866 depends on ARCH_ROCKCHIP 867 select DEBUG_UART_8250 868 help 869 Say Y here if you want kernel low-level debugging support 870 on Rockchip based platforms. 871 872 config DEBUG_RK3X_UART0 873 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 874 depends on ARCH_ROCKCHIP 875 select DEBUG_UART_8250 876 help 877 Say Y here if you want kernel low-level debugging support 878 on Rockchip based platforms. 879 880 config DEBUG_RK3X_UART1 881 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 882 depends on ARCH_ROCKCHIP 883 select DEBUG_UART_8250 884 help 885 Say Y here if you want kernel low-level debugging support 886 on Rockchip based platforms. 887 888 config DEBUG_RK3X_UART2 889 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 890 depends on ARCH_ROCKCHIP 891 select DEBUG_UART_8250 892 help 893 Say Y here if you want kernel low-level debugging support 894 on Rockchip based platforms. 895 896 config DEBUG_RK3X_UART3 897 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 898 depends on ARCH_ROCKCHIP 899 select DEBUG_UART_8250 900 help 901 Say Y here if you want kernel low-level debugging support 902 on Rockchip based platforms. 903 904 config DEBUG_RK32_UART2 905 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 906 depends on ARCH_ROCKCHIP 907 select DEBUG_UART_8250 908 help 909 Say Y here if you want kernel low-level debugging support 910 on Rockchip RK32xx based platforms. 911 912 config DEBUG_R7S72100_SCIF2 913 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 914 depends on ARCH_R7S72100 915 help 916 Say Y here if you want kernel low-level debugging support 917 via SCIF2 on Renesas RZ/A1H (R7S72100). 918 919 config DEBUG_R7S9210_SCIF2 920 bool "Kernel low-level debugging messages via SCIF2 on R7S9210" 921 depends on ARCH_R7S9210 922 help 923 Say Y here if you want kernel low-level debugging support 924 via SCIF2 on Renesas RZ/A2M (R7S9210). 925 926 config DEBUG_R7S9210_SCIF4 927 bool "Kernel low-level debugging messages via SCIF4 on R7S9210" 928 depends on ARCH_R7S9210 929 help 930 Say Y here if you want kernel low-level debugging support 931 via SCIF4 on Renesas RZ/A2M (R7S9210). 932 933 config DEBUG_RCAR_GEN1_SCIF0 934 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 935 depends on ARCH_R8A7778 936 help 937 Say Y here if you want kernel low-level debugging support 938 via SCIF0 on Renesas R-Car M1A (R8A7778). 939 940 config DEBUG_RCAR_GEN1_SCIF2 941 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 942 depends on ARCH_R8A7779 943 help 944 Say Y here if you want kernel low-level debugging support 945 via SCIF2 on Renesas R-Car H1 (R8A7779). 946 947 config DEBUG_RCAR_GEN2_SCIF0 948 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 949 depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ 950 ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 951 help 952 Say Y here if you want kernel low-level debugging support 953 via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), 954 R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or 955 M2-N (R8A7793). 956 957 config DEBUG_RCAR_GEN2_SCIF1 958 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 959 depends on ARCH_R8A77470 960 help 961 Say Y here if you want kernel low-level debugging support 962 via SCIF1 on Renesas RZ/G1C (R8A77470). 963 964 config DEBUG_RCAR_GEN2_SCIF2 965 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 966 depends on ARCH_R8A7794 967 help 968 Say Y here if you want kernel low-level debugging support 969 via SCIF2 on Renesas R-Car E2 (R8A7794). 970 971 config DEBUG_RCAR_GEN2_SCIF4 972 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 973 depends on ARCH_R8A7745 974 help 975 Say Y here if you want kernel low-level debugging support 976 via SCIF4 on Renesas RZ/G1E (R8A7745). 977 978 config DEBUG_RCAR_GEN2_SCIFA2 979 bool "Kernel low-level debugging messages via SCIFA2 on R8A7742" 980 depends on ARCH_R8A7742 981 help 982 Say Y here if you want kernel low-level debugging support 983 via SCIFA2 on Renesas RZ/G1H (R8A7742). 984 985 config DEBUG_RMOBILE_SCIFA0 986 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 987 depends on ARCH_R8A73A4 988 help 989 Say Y here if you want kernel low-level debugging support 990 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 991 992 config DEBUG_RMOBILE_SCIFA1 993 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 994 depends on ARCH_R8A7740 995 help 996 Say Y here if you want kernel low-level debugging support 997 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 998 999 config DEBUG_RMOBILE_SCIFA4 1000 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 1001 depends on ARCH_SH73A0 1002 help 1003 Say Y here if you want kernel low-level debugging support 1004 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 1005 1006 config DEBUG_S3C_UART0 1007 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1008 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1009 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1010 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1011 select DEBUG_S5PV210_UART if ARCH_S5PV210 1012 bool "Use Samsung S3C UART 0 for low-level debug" 1013 help 1014 Say Y here if you want the debug print routines to direct 1015 their output to UART 0. The port must have been initialised 1016 by the boot-loader before use. 1017 1018 config DEBUG_S3C_UART1 1019 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1020 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1021 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1022 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1023 select DEBUG_S5PV210_UART if ARCH_S5PV210 1024 bool "Use Samsung S3C UART 1 for low-level debug" 1025 help 1026 Say Y here if you want the debug print routines to direct 1027 their output to UART 1. The port must have been initialised 1028 by the boot-loader before use. 1029 1030 config DEBUG_S3C_UART2 1031 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1032 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1033 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1034 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1035 select DEBUG_S5PV210_UART if ARCH_S5PV210 1036 bool "Use Samsung S3C UART 2 for low-level debug" 1037 help 1038 Say Y here if you want the debug print routines to direct 1039 their output to UART 2. The port must have been initialised 1040 by the boot-loader before use. 1041 1042 config DEBUG_S3C_UART3 1043 depends on ARCH_EXYNOS || ARCH_S5PV210 1044 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1045 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1046 select DEBUG_S5PV210_UART if ARCH_S5PV210 1047 bool "Use Samsung S3C UART 3 for low-level debug" 1048 help 1049 Say Y here if you want the debug print routines to direct 1050 their output to UART 3. The port must have been initialised 1051 by the boot-loader before use. 1052 1053 config DEBUG_S3C2410_UART0 1054 depends on ARCH_S3C24XX 1055 select DEBUG_S3C2410_UART 1056 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1057 help 1058 Say Y here if you want the debug print routines to direct 1059 their output to UART 0. The port must have been initialised 1060 by the boot-loader before use. 1061 1062 config DEBUG_S3C2410_UART1 1063 depends on ARCH_S3C24XX 1064 select DEBUG_S3C2410_UART 1065 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1066 help 1067 Say Y here if you want the debug print routines to direct 1068 their output to UART 1. The port must have been initialised 1069 by the boot-loader before use. 1070 1071 config DEBUG_S3C2410_UART2 1072 depends on ARCH_S3C24XX 1073 select DEBUG_S3C2410_UART 1074 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1075 help 1076 Say Y here if you want the debug print routines to direct 1077 their output to UART 2. The port must have been initialised 1078 by the boot-loader before use. 1079 1080 config DEBUG_SA1100 1081 depends on ARCH_SA1100 1082 bool "Use SA1100 UARTs for low-level debug" 1083 help 1084 Say Y here if you want kernel low-level debugging support 1085 on SA-11x0 UART ports. The kernel will check for the first 1086 enabled UART in a sequence 3-1-2. 1087 1088 config DEBUG_SD5203_UART 1089 bool "Hisilicon SD5203 Debug UART" 1090 depends on ARCH_SD5203 1091 select DEBUG_UART_8250 1092 help 1093 Say Y here if you want kernel low-level debugging support 1094 on SD5203 UART. 1095 1096 config DEBUG_SOCFPGA_UART0 1097 depends on ARCH_INTEL_SOCFPGA 1098 bool "Use SOCFPGA UART0 for low-level debug" 1099 select DEBUG_UART_8250 1100 help 1101 Say Y here if you want kernel low-level debugging support 1102 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1103 1104 config DEBUG_SOCFPGA_ARRIA10_UART1 1105 depends on ARCH_INTEL_SOCFPGA 1106 bool "Use SOCFPGA Arria10 UART1 for low-level debug" 1107 select DEBUG_UART_8250 1108 help 1109 Say Y here if you want kernel low-level debugging support 1110 on SOCFPGA(Arria 10) based platforms. 1111 1112 config DEBUG_SOCFPGA_CYCLONE5_UART1 1113 depends on ARCH_INTEL_SOCFPGA 1114 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" 1115 select DEBUG_UART_8250 1116 help 1117 Say Y here if you want kernel low-level debugging support 1118 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1119 1120 config DEBUG_SUN9I_UART0 1121 bool "Kernel low-level debugging messages via sun9i UART0" 1122 depends on MACH_SUN9I 1123 select DEBUG_UART_8250 1124 help 1125 Say Y here if you want kernel low-level debugging support 1126 on Allwinner A80 based platforms on the UART0. 1127 1128 config DEBUG_SUNXI_UART0 1129 bool "Kernel low-level debugging messages via sunXi UART0" 1130 depends on ARCH_SUNXI 1131 select DEBUG_UART_8250 1132 help 1133 Say Y here if you want kernel low-level debugging support 1134 on Allwinner A1X based platforms on the UART0. 1135 1136 config DEBUG_SUNXI_UART1 1137 bool "Kernel low-level debugging messages via sunXi UART1" 1138 depends on ARCH_SUNXI 1139 select DEBUG_UART_8250 1140 help 1141 Say Y here if you want kernel low-level debugging support 1142 on Allwinner A1X based platforms on the UART1. 1143 1144 config DEBUG_SUNXI_R_UART 1145 bool "Kernel low-level debugging messages via sunXi R_UART" 1146 depends on MACH_SUN6I || MACH_SUN8I 1147 select DEBUG_UART_8250 1148 help 1149 Say Y here if you want kernel low-level debugging support 1150 on Allwinner A31/A23 based platforms on the R_UART. 1151 1152 config DEBUG_SPEAR3XX 1153 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1154 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1155 select DEBUG_UART_PL01X 1156 help 1157 Say Y here if you want kernel low-level debugging support 1158 on ST SPEAr based platforms. 1159 1160 config DEBUG_SPEAR13XX 1161 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1162 depends on ARCH_SPEAR13XX 1163 select DEBUG_UART_PL01X 1164 help 1165 Say Y here if you want kernel low-level debugging support 1166 on ST SPEAr13xx based platforms. 1167 1168 config DEBUG_STIH41X_ASC2 1169 bool "Use StiH415/416 ASC2 UART for low-level debug" 1170 depends on ARCH_STI 1171 help 1172 Say Y here if you want kernel low-level debugging support 1173 on STiH415/416 based platforms like b2000, which has 1174 default UART wired up to ASC2. 1175 1176 If unsure, say N. 1177 1178 config DEBUG_STIH41X_SBC_ASC1 1179 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1180 depends on ARCH_STI 1181 help 1182 Say Y here if you want kernel low-level debugging support 1183 on STiH415/416 based platforms like b2020. which has 1184 default UART wired up to SBC ASC1. 1185 1186 If unsure, say N. 1187 1188 config DEBUG_STIH418_SBC_ASC0 1189 bool "Use StiH418 SBC ASC0 UART for low-level debug" 1190 depends on ARCH_STI 1191 help 1192 Say Y here if you want kernel low-level debugging support 1193 on STiH418 based platforms which has default UART wired 1194 up to SBC ASC0. 1195 1196 If unsure, say N. 1197 1198 config STM32F4_DEBUG_UART 1199 bool "Use STM32F4 UART for low-level debug" 1200 depends on MACH_STM32F429 || MACH_STM32F469 1201 select DEBUG_STM32_UART 1202 help 1203 Say Y here if you want kernel low-level debugging support 1204 on STM32F4 based platforms, which default UART is wired on 1205 USART1, but another UART instance can be selected by modifying 1206 CONFIG_DEBUG_UART_PHYS. 1207 1208 If unsure, say N. 1209 1210 config STM32F7_DEBUG_UART 1211 bool "Use STM32F7 UART for low-level debug" 1212 depends on MACH_STM32F746 || MACH_STM32F769 1213 select DEBUG_STM32_UART 1214 help 1215 Say Y here if you want kernel low-level debugging support 1216 on STM32F7 based platforms, which default UART is wired on 1217 USART1, but another UART instance can be selected by modifying 1218 CONFIG_DEBUG_UART_PHYS. 1219 1220 If unsure, say N. 1221 1222 config STM32H7_DEBUG_UART 1223 bool "Use STM32H7 UART for low-level debug" 1224 depends on MACH_STM32H743 1225 select DEBUG_STM32_UART 1226 help 1227 Say Y here if you want kernel low-level debugging support 1228 on STM32H7 based platforms, which default UART is wired on 1229 USART1, but another UART instance can be selected by modifying 1230 CONFIG_DEBUG_UART_PHYS. 1231 1232 If unsure, say N. 1233 1234 config STM32MP1_DEBUG_UART 1235 bool "Use STM32MP1 UART for low-level debug" 1236 depends on MACH_STM32MP157 1237 select DEBUG_STM32_UART 1238 help 1239 Say Y here if you want kernel low-level debugging support 1240 on STM32MP1 based platforms, wich default UART is wired on 1241 UART4, but another UART instance can be selected by modifying 1242 CONFIG_DEBUG_UART_PHYS and CONFIG_DEBUG_UART_VIRT. 1243 1244 If unsure, say N. 1245 1246 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1247 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1248 depends on ARCH_TEGRA 1249 select DEBUG_TEGRA_UART 1250 help 1251 Automatically determines which UART to use for low-level 1252 debug based on the ODMDATA value. This value is part of 1253 the BCT, and is written to the boot memory device using 1254 nvflash, or other flashing tool. When bits 19:18 are 3, 1255 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1256 are UART A/B/C/D/E. 1257 1258 config TEGRA_DEBUG_UARTA 1259 bool "Kernel low-level debugging messages via Tegra UART A" 1260 depends on ARCH_TEGRA 1261 select DEBUG_TEGRA_UART 1262 help 1263 Say Y here if you want kernel low-level debugging support 1264 on Tegra based platforms. 1265 1266 config TEGRA_DEBUG_UARTB 1267 bool "Kernel low-level debugging messages via Tegra UART B" 1268 depends on ARCH_TEGRA 1269 select DEBUG_TEGRA_UART 1270 help 1271 Say Y here if you want kernel low-level debugging support 1272 on Tegra based platforms. 1273 1274 config TEGRA_DEBUG_UARTC 1275 bool "Kernel low-level debugging messages via Tegra UART C" 1276 depends on ARCH_TEGRA 1277 select DEBUG_TEGRA_UART 1278 help 1279 Say Y here if you want kernel low-level debugging support 1280 on Tegra based platforms. 1281 1282 config TEGRA_DEBUG_UARTD 1283 bool "Kernel low-level debugging messages via Tegra UART D" 1284 depends on ARCH_TEGRA 1285 select DEBUG_TEGRA_UART 1286 help 1287 Say Y here if you want kernel low-level debugging support 1288 on Tegra based platforms. 1289 1290 config TEGRA_DEBUG_UARTE 1291 bool "Kernel low-level debugging messages via Tegra UART E" 1292 depends on ARCH_TEGRA 1293 select DEBUG_TEGRA_UART 1294 help 1295 Say Y here if you want kernel low-level debugging support 1296 on Tegra based platforms. 1297 1298 config DEBUG_UX500_UART 1299 depends on ARCH_U8500 1300 bool "Use Ux500 UART for low-level debug" 1301 help 1302 Say Y here if you want kernel low-level debugging support 1303 on Ux500 based platforms. 1304 1305 config DEBUG_VERSATILE 1306 bool "Kernel low-level debugging messages via ARM Versatile UART" 1307 depends on ARCH_VERSATILE 1308 select DEBUG_UART_PL01X 1309 help 1310 Say Y here if you want kernel low-level debugging support 1311 on ARM Versatile platforms. 1312 1313 config DEBUG_VEXPRESS_UART0_DETECT 1314 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1315 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1316 help 1317 This option enables a simple heuristic which tries to determine 1318 the motherboard's memory map variant (original or RS1) and then 1319 choose the relevant UART0 base address. 1320 1321 Note that this will only work with standard A-class core tiles, 1322 and may fail with non-standard SMM or custom software models. 1323 1324 config DEBUG_VEXPRESS_UART0_CA9 1325 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1326 depends on ARCH_VEXPRESS 1327 select DEBUG_UART_PL01X 1328 help 1329 This option selects UART0 at 0x10009000. Except for custom models, 1330 this applies only to the V2P-CA9 tile. 1331 1332 config DEBUG_VEXPRESS_UART0_RS1 1333 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1334 depends on ARCH_VEXPRESS 1335 select DEBUG_UART_PL01X 1336 help 1337 This option selects UART0 at 0x1c090000. This applies to most 1338 of the tiles using the RS1 memory map, including all new A-class 1339 core tiles, FPGA-based SMMs and software models. 1340 1341 config DEBUG_VEXPRESS_UART0_CRX 1342 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1343 depends on ARCH_VEXPRESS && !MMU 1344 select DEBUG_UART_PL01X 1345 help 1346 This option selects UART0 at 0xb0090000. This is appropriate for 1347 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1348 1349 config DEBUG_VF_UART 1350 bool "Vybrid UART" 1351 depends on SOC_VF610 1352 help 1353 Say Y here if you want kernel low-level debugging support 1354 on Vybrid based platforms. 1355 1356 config DEBUG_VT8500_UART0 1357 bool "Use UART0 on VIA/Wondermedia SoCs" 1358 depends on ARCH_VT8500 1359 help 1360 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1361 devices, including VT8500, WM8505, WM8650 and WM8850. 1362 1363 config DEBUG_ZYNQ_UART0 1364 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1365 depends on ARCH_ZYNQ 1366 help 1367 Say Y here if you want the debug print routines to direct 1368 their output to UART0 on the Zynq platform. 1369 1370 config DEBUG_ZYNQ_UART1 1371 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1372 depends on ARCH_ZYNQ 1373 help 1374 Say Y here if you want the debug print routines to direct 1375 their output to UART1 on the Zynq platform. 1376 1377 If you have a ZC702 board and want early boot messages to 1378 appear on the USB serial adaptor, select this option. 1379 1380 config DEBUG_ICEDCC 1381 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1382 help 1383 Say Y here if you want the debug print routines to direct 1384 their output to the EmbeddedICE macrocell's DCC channel using 1385 co-processor 14. This is known to work on the ARM9 style ICE 1386 channel and on the XScale with the PEEDI. 1387 1388 Note that the system will appear to hang during boot if there 1389 is nothing connected to read from the DCC. 1390 1391 config DEBUG_SEMIHOSTING 1392 bool "Kernel low-level debug output via semihosting I/O" 1393 help 1394 Semihosting enables code running on an ARM target to use 1395 the I/O facilities on a host debugger/emulator through a 1396 simple SVC call. The host debugger or emulator must have 1397 semihosting enabled for the special svc call to be trapped 1398 otherwise the kernel will crash. 1399 1400 This is known to work with OpenOCD, as well as 1401 ARM's Fast Models, or any other controlling environment 1402 that implements semihosting. 1403 1404 For more details about semihosting, please see 1405 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1406 1407 config DEBUG_LL_UART_8250 1408 bool "Kernel low-level debugging via 8250 UART" 1409 help 1410 Say Y here if you wish the debug print routes to direct 1411 their output to an 8250 UART. You can use this option 1412 to provide the parameters for the 8250 UART rather than 1413 selecting one of the platform specific options above if 1414 you know the parameters for the port. 1415 1416 This option is preferred over the platform specific 1417 options; the platform specific options are deprecated 1418 and will be soon removed. 1419 1420 config DEBUG_LL_UART_PL01X 1421 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1422 help 1423 Say Y here if you wish the debug print routes to direct 1424 their output to a PL01x Primecell UART. You can use 1425 this option to provide the parameters for the UART 1426 rather than selecting one of the platform specific 1427 options above if you know the parameters for the port. 1428 1429 This option is preferred over the platform specific 1430 options; the platform specific options are deprecated 1431 and will be soon removed. 1432 1433endchoice 1434 1435config DEBUG_AT91_UART 1436 bool 1437 depends on ARCH_AT91 1438 1439config DEBUG_EXYNOS_UART 1440 bool 1441 1442config DEBUG_S3C2410_UART 1443 bool 1444 select DEBUG_S3C24XX_UART 1445 1446config DEBUG_S3C24XX_UART 1447 bool 1448 1449config DEBUG_S3C64XX_UART 1450 bool 1451 1452config DEBUG_S5PV210_UART 1453 bool 1454 1455config DEBUG_S3C_UART 1456 depends on DEBUG_S3C2410_UART || DEBUG_S3C24XX_UART || \ 1457 DEBUG_S3C64XX_UART || DEBUG_S5PV210_UART || \ 1458 DEBUG_EXYNOS_UART 1459 int 1460 default "0" if DEBUG_S3C_UART0 1461 default "1" if DEBUG_S3C_UART1 1462 default "2" if DEBUG_S3C_UART2 1463 default "3" if DEBUG_S3C_UART3 1464 1465config DEBUG_OMAP2PLUS_UART 1466 bool 1467 depends on ARCH_OMAP2PLUS 1468 1469config DEBUG_IMX_UART_PORT 1470 int "i.MX Debug UART Port Selection" 1471 depends on DEBUG_IMX1_UART || \ 1472 DEBUG_IMX25_UART || \ 1473 DEBUG_IMX27_UART || \ 1474 DEBUG_IMX31_UART || \ 1475 DEBUG_IMX35_UART || \ 1476 DEBUG_IMX50_UART || \ 1477 DEBUG_IMX51_UART || \ 1478 DEBUG_IMX53_UART || \ 1479 DEBUG_IMX6Q_UART || \ 1480 DEBUG_IMX6SL_UART || \ 1481 DEBUG_IMX6SX_UART || \ 1482 DEBUG_IMX6UL_UART || \ 1483 DEBUG_IMX7D_UART 1484 default 1 1485 help 1486 Choose UART port on which kernel low-level debug messages 1487 should be output. 1488 1489config DEBUG_VF_UART_PORT 1490 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1491 default 1 1492 range 0 3 1493 depends on SOC_VF610 1494 help 1495 Choose UART port on which kernel low-level debug messages 1496 should be output. 1497 1498config DEBUG_TEGRA_UART 1499 bool 1500 depends on ARCH_TEGRA 1501 1502config DEBUG_STM32_UART 1503 bool 1504 depends on ARCH_STM32 1505 1506config DEBUG_UART_FLOW_CONTROL 1507 bool "Enable flow control (CTS) for the debug UART" 1508 depends on DEBUG_LL 1509 default y if DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1510 help 1511 Some UART ports are connected to terminals that will use modem 1512 control signals to indicate whether they are ready to receive text. 1513 In practice this means that the terminal is asserting the special 1514 control signal CTS (Clear To Send). If your debug UART supports 1515 this and your debug terminal will require it, enable this option. 1516 1517config DEBUG_LL_INCLUDE 1518 string 1519 default "debug/sa1100.S" if DEBUG_SA1100 1520 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1521 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1522 default "debug/at91.S" if DEBUG_AT91_UART 1523 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1524 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1525 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1526 default "debug/meson.S" if DEBUG_MESON_UARTAO 1527 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1528 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1529 default "debug/icedcc.S" if DEBUG_ICEDCC 1530 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1531 DEBUG_IMX25_UART || \ 1532 DEBUG_IMX27_UART || \ 1533 DEBUG_IMX31_UART || \ 1534 DEBUG_IMX35_UART || \ 1535 DEBUG_IMX50_UART || \ 1536 DEBUG_IMX51_UART || \ 1537 DEBUG_IMX53_UART || \ 1538 DEBUG_IMX6Q_UART || \ 1539 DEBUG_IMX6SL_UART || \ 1540 DEBUG_IMX6SX_UART || \ 1541 DEBUG_IMX6UL_UART || \ 1542 DEBUG_IMX7D_UART 1543 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1544 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1545 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1546 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2 1547 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4 1548 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1549 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1550 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1551 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1552 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1553 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1554 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2 1555 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1556 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1557 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1558 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1559 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1560 default "debug/sti.S" if DEBUG_STIH41X_ASC2 1561 default "debug/sti.S" if DEBUG_STIH41X_SBC_ASC1 1562 default "debug/sti.S" if DEBUG_STIH418_SBC_ASC0 1563 default "debug/stm32.S" if DEBUG_STM32_UART 1564 default "debug/tegra.S" if DEBUG_TEGRA_UART 1565 default "debug/ux500.S" if DEBUG_UX500_UART 1566 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1567 default "debug/vf.S" if DEBUG_VF_UART 1568 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1569 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1570 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1571 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1572 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1573 default "mach/debug-macro.S" 1574 1575# Compatibility options for PL01x 1576config DEBUG_UART_PL01X 1577 bool 1578 1579# Compatibility options for 8250 1580config DEBUG_UART_8250 1581 def_bool ARCH_IXP4XX || ARCH_RPC 1582 1583config DEBUG_UART_PHYS 1584 hex "Physical base address of debug UART" 1585 default 0x01c28000 if DEBUG_SUNXI_UART0 1586 default 0x01c28400 if DEBUG_SUNXI_UART1 1587 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1588 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1589 default 0x01f02800 if DEBUG_SUNXI_R_UART 1590 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1591 default 0x02531000 if DEBUG_KEYSTONE_UART1 1592 default 0x03010fe0 if ARCH_RPC 1593 default 0x07000000 if DEBUG_SUN9I_UART0 1594 default 0x09530000 if DEBUG_STIH418_SBC_ASC0 1595 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1596 DEBUG_VEXPRESS_UART0_CA9 1597 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1598 default 0x10124000 if DEBUG_RK3X_UART0 1599 default 0x10126000 if DEBUG_RK3X_UART1 1600 default 0x101f1000 if DEBUG_VERSATILE 1601 default 0x101fb000 if DEBUG_NOMADIK_UART 1602 default 0x10210000 if DEBUG_RV1108_UART2 1603 default 0x10220000 if DEBUG_RV1108_UART1 1604 default 0x10230000 if DEBUG_RV1108_UART0 1605 default 0x11002000 if DEBUG_MT8127_UART0 1606 default 0x11006000 if DEBUG_MT6589_UART0 1607 default 0x11009000 if DEBUG_MT8135_UART3 1608 default 0x16000000 if DEBUG_INTEGRATOR 1609 default 0x1600d000 if DEBUG_SD5203_UART 1610 default 0x18000300 if DEBUG_BCM_5301X 1611 default 0x18000400 if DEBUG_BCM_HR2 1612 default 0x18023000 if DEBUG_BCM_IPROC_UART3 1613 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1614 default 0x1f221000 if DEBUG_MSTARV7_PMUART 1615 default 0x20001000 if DEBUG_HIP01_UART 1616 default 0x20060000 if DEBUG_RK29_UART0 1617 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1618 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1619 default 0x20201000 if DEBUG_BCM2835 1620 default 0x3e000000 if DEBUG_BCM_KONA_UART 1621 default 0x3f201000 if DEBUG_BCM2836 1622 default 0x40010000 if STM32MP1_DEBUG_UART 1623 default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \ 1624 STM32H7_DEBUG_UART 1625 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1626 default 0x40081000 if DEBUG_LPC18XX_UART0 1627 default 0x40090000 if DEBUG_LPC32XX 1628 default 0x40100000 if DEBUG_PXA_UART1 1629 default 0x42000000 if DEBUG_GEMINI 1630 default 0x44e09000 if DEBUG_AM33XXUART1 1631 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1632 default 0x48022000 if DEBUG_TI81XXUART2 1633 default 0x48024000 if DEBUG_TI81XXUART3 1634 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1635 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1636 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1637 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1638 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1639 default 0x49020000 if DEBUG_OMAP3UART3 1640 default 0x49042000 if DEBUG_OMAP3UART4 1641 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1642 DEBUG_S3C2410_UART0) 1643 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1644 DEBUG_S3C2410_UART1) 1645 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1646 DEBUG_S3C2410_UART2) 1647 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1648 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1649 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1650 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1651 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1652 default 0x80010000 if DEBUG_ASM9260_UART 1653 default 0x80070000 if DEBUG_IMX23_UART 1654 default 0x80074000 if DEBUG_IMX28_UART 1655 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1656 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1657 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1658 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1659 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1660 default 0xd0000000 if DEBUG_SPEAR3XX 1661 default 0xd0012000 if DEBUG_MVEBU_UART0 1662 default 0xc81004c0 if DEBUG_MESON_UARTAO 1663 default 0xd4017000 if DEBUG_MMP_UART2 1664 default 0xd4018000 if DEBUG_MMP_UART3 1665 default 0xe0000000 if DEBUG_SPEAR13XX 1666 default 0xe0064200 if DEBUG_AT91_LAN966_FLEXCOM 1667 default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 1668 default 0xe4007000 if DEBUG_HIP04_UART 1669 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1670 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1671 default 0xe6c60000 if DEBUG_RCAR_GEN2_SCIFA2 1672 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1673 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1674 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1675 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1676 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1677 default 0xe8008000 if DEBUG_R7S72100_SCIF2 || DEBUG_R7S9210_SCIF2 1678 default 0xe8009000 if DEBUG_R7S9210_SCIF4 1679 default 0xf0000000 if DEBUG_DIGICOLOR_UA0 1680 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1681 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1682 default 0xf7fc9000 if DEBUG_BERLIN_UART 1683 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1684 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1685 default 0xf991e000 if DEBUG_QCOM_UARTDM 1686 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1687 default 0xfcb00000 if DEBUG_HI3620_UART 1688 default 0xfd883000 if DEBUG_ALPINE_UART0 1689 default 0xfe531000 if DEBUG_STIH41X_SBC_ASC1 1690 default 0xfed32000 if DEBUG_STIH41X_ASC2 1691 default 0xff690000 if DEBUG_RK32_UART2 1692 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1693 default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1694 default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1695 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1696 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1697 default 0xfff36000 if DEBUG_HIGHBANK_UART 1698 default 0xfffb0000 if DEBUG_OMAP1UART1 1699 default 0xfffb0800 if DEBUG_OMAP1UART2 1700 default 0xfffb9800 if DEBUG_OMAP1UART3 1701 default 0xfffe8600 if DEBUG_BCM63XX_UART 1702 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1703 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1704 depends on ARCH_EP93XX || \ 1705 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1706 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1707 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1708 DEBUG_R7S9210_SCIF2 || DEBUG_R7S9210_SCIF4 || \ 1709 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1710 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1711 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1712 DEBUG_RCAR_GEN2_SCIFA2 || \ 1713 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1714 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1715 DEBUG_S3C64XX_UART || \ 1716 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1717 DEBUG_DIGICOLOR_UA0 || \ 1718 DEBUG_AT91_UART || DEBUG_STM32_UART || \ 1719 DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ 1720 DEBUG_STIH418_SBC_ASC0 1721 1722config DEBUG_UART_VIRT 1723 hex "Virtual base address of debug UART" 1724 default 0xc881f000 if DEBUG_RV1108_UART2 1725 default 0xc8821000 if DEBUG_RV1108_UART1 1726 default 0xc8912000 if DEBUG_RV1108_UART0 1727 default 0xe0010fe0 if ARCH_RPC 1728 default 0xe0824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 1729 default 0xf0010000 if DEBUG_ASM9260_UART 1730 default 0xf0100000 if DEBUG_DIGICOLOR_UA0 1731 default 0xf01fb000 if DEBUG_NOMADIK_UART 1732 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1733 default 0xf0221000 if DEBUG_MSTARV7_PMUART 1734 default 0xf1000300 if DEBUG_BCM_5301X 1735 default 0xf1000400 if DEBUG_BCM_HR2 1736 default 0xf1002000 if DEBUG_MT8127_UART0 1737 default 0xf1006000 if DEBUG_MT6589_UART0 1738 default 0xf1009000 if DEBUG_MT8135_UART3 1739 default 0xf1023000 if DEBUG_BCM_IPROC_UART3 1740 default 0xf11f1000 if DEBUG_VERSATILE 1741 default 0xf1600000 if DEBUG_INTEGRATOR 1742 default 0xf1c28000 if DEBUG_SUNXI_UART0 1743 default 0xf1c28400 if DEBUG_SUNXI_UART1 1744 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1745 default 0xf31004c0 if DEBUG_MESON_UARTAO 1746 default 0xf4090000 if DEBUG_LPC32XX 1747 default 0xf4200000 if DEBUG_GEMINI 1748 default 0xf6200000 if DEBUG_PXA_UART1 1749 default 0xf7000000 if DEBUG_SUN9I_UART0 1750 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1751 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1752 DEBUG_S3C2410_UART0) 1753 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1754 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1755 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1756 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1757 DEBUG_S3C2410_UART1) 1758 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1759 DEBUG_S3C2410_UART2) 1760 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1761 default 0xf7fc9000 if DEBUG_BERLIN_UART 1762 default 0xf8007000 if DEBUG_HIP04_UART 1763 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1764 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1765 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1766 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1767 default 0xf9530000 if DEBUG_STIH418_SBC_ASC0 1768 default 0xf9e09000 if DEBUG_AM33XXUART1 1769 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1770 default 0xfa022000 if DEBUG_TI81XXUART2 1771 default 0xfa024000 if DEBUG_TI81XXUART3 1772 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1773 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1774 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1775 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1776 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1777 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1778 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1779 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1780 default 0xfb020000 if DEBUG_OMAP3UART3 1781 default 0xfb042000 if DEBUG_OMAP3UART4 1782 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1783 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1784 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1785 default 0xfd064200 if DEBUG_AT91_LAN966_FLEXCOM 1786 default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1 1787 default 0xfd883000 if DEBUG_ALPINE_UART0 1788 default 0xfdd32000 if DEBUG_STIH41X_ASC2 1789 default 0xfe010000 if STM32MP1_DEBUG_UART 1790 default 0xfe017000 if DEBUG_MMP_UART2 1791 default 0xfe018000 if DEBUG_MMP_UART3 1792 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1793 default 0xfe300000 if DEBUG_BCM_KONA_UART 1794 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1795 default 0xfeb24000 if DEBUG_RK3X_UART0 1796 default 0xfeb26000 if DEBUG_RK3X_UART1 1797 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1798 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1799 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1800 default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1801 default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1802 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE 1803 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1804 default 0xfec90000 if DEBUG_RK32_UART2 1805 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1806 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_SD5203_UART 1807 default 0xfed60000 if DEBUG_RK29_UART0 1808 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1809 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1810 default 0xfedc0000 if DEBUG_EP93XX 1811 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1812 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1813 default 0xfec00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1814 default 0xfec00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1815 default 0xfef36000 if DEBUG_HIGHBANK_UART 1816 default 0xff0b0000 if DEBUG_OMAP1UART1 1817 default 0xff0b0800 if DEBUG_OMAP1UART2 1818 default 0xff0b9800 if DEBUG_OMAP1UART3 1819 default 0xffd01000 if DEBUG_HIP01_UART 1820 default DEBUG_UART_PHYS if !MMU 1821 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1822 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1823 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1824 DEBUG_S3C64XX_UART || \ 1825 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1826 DEBUG_DIGICOLOR_UA0 || \ 1827 DEBUG_AT91_UART || DEBUG_STM32_UART || \ 1828 DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ 1829 DEBUG_STIH418_SBC_ASC0 1830 1831config DEBUG_UART_8250_SHIFT 1832 int "Register offset shift for the 8250 debug UART" 1833 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1834 default 0 if DEBUG_FOOTBRIDGE_COM1 || DEBUG_BCM_5301X || \ 1835 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1836 DEBUG_OMAP7XXUART3 1837 default 3 if DEBUG_MSTARV7_PMUART 1838 default 2 1839 1840config DEBUG_UART_8250_WORD 1841 bool "Use 32-bit accesses for 8250 UART" 1842 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1843 depends on DEBUG_UART_8250_SHIFT >= 2 1844 default y if DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ 1845 DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ 1846 DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ 1847 DEBUG_DAVINCI_DA8XX_UART1 || DEBUG_DAVINCI_DA8XX_UART2 || \ 1848 DEBUG_BCM_IPROC_UART3 || DEBUG_BCM_KONA_UART || \ 1849 DEBUG_RK32_UART2 1850 1851config DEBUG_UART_8250_PALMCHIP 1852 bool "8250 UART is Palmchip BK-310x" 1853 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1854 help 1855 Palmchip provides a UART implementation compatible with 16550 1856 except for having a different register layout. Say Y here if 1857 the debug UART is of this type. 1858 1859config DEBUG_UNCOMPRESS 1860 bool "Enable decompressor debugging via DEBUG_LL output" 1861 depends on !ARCH_MULTIPLATFORM 1862 depends on !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) 1863 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1864 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1865 !DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING 1866 help 1867 This option influences the normal decompressor output for 1868 multiplatform kernels. Normally, multiplatform kernels disable 1869 decompressor output because it is not possible to know where to 1870 send the decompressor output. 1871 1872 When this option is set, the selected DEBUG_LL output method 1873 will be re-used for normal decompressor output on multiplatform 1874 kernels. 1875 1876 1877config UNCOMPRESS_INCLUDE 1878 string 1879 default "mach/uncompress.h" if ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100 1880 default "debug/uncompress.h" 1881 1882config EARLY_PRINTK 1883 bool "Early printk" 1884 depends on DEBUG_LL 1885 help 1886 Say Y here if you want to have an early console using the 1887 kernel low-level debugging functions. Add earlyprintk to your 1888 kernel parameters to enable this console. 1889 1890config ARM_KPROBES_TEST 1891 tristate "Kprobes test module" 1892 depends on KPROBES && MODULES 1893 help 1894 Perform tests of kprobes API and instruction set simulation. 1895 1896config PID_IN_CONTEXTIDR 1897 bool "Write the current PID to the CONTEXTIDR register" 1898 depends on CPU_COPY_V6 1899 help 1900 Enabling this option causes the kernel to write the current PID to 1901 the PROCID field of the CONTEXTIDR register, at the expense of some 1902 additional instructions during context switch. Say Y here only if you 1903 are planning to use hardware trace tools with this kernel. 1904 1905source "drivers/hwtracing/coresight/Kconfig" 1906