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 && !FUNCTION_GRAPH_TRACER 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 FRAME_POINTER 83 bool 84 85config DEBUG_USER 86 bool "Verbose user fault messages" 87 help 88 When a user program crashes due to an exception, the kernel can 89 print a brief message explaining what the problem was. This is 90 sometimes helpful for debugging but serves no purpose on a 91 production system. Most people should say N here. 92 93 In addition, you need to pass user_debug=N on the kernel command 94 line to enable this feature. N consists of the sum of: 95 96 1 - undefined instruction events 97 2 - system calls 98 4 - invalid data aborts 99 8 - SIGSEGV faults 100 16 - SIGBUS faults 101 102# These options are only for real kernel hackers who want to get their hands dirty. 103config DEBUG_LL 104 bool "Kernel low-level debugging functions (read help!)" 105 depends on DEBUG_KERNEL 106 help 107 Say Y here to include definitions of printascii, printch, printhex 108 in the kernel. This is helpful if you are debugging code that 109 executes before the console is initialized. 110 111 Note that selecting this option will limit the kernel to a single 112 UART definition, as specified below. Attempting to boot the kernel 113 image on a different platform *will not work*, so this option should 114 not be enabled for kernels that are intended to be portable. 115 116choice 117 prompt "Kernel low-level debugging port" 118 depends on DEBUG_LL 119 120 config DEBUG_ALPINE_UART0 121 bool "Kernel low-level debugging messages via Alpine UART0" 122 depends on ARCH_ALPINE 123 select DEBUG_UART_8250 124 help 125 Say Y here if you want kernel low-level debugging support 126 on Alpine based platforms. 127 128 config DEBUG_ASM9260_UART 129 bool "Kernel low-level debugging via asm9260 UART" 130 depends on MACH_ASM9260 131 help 132 Say Y here if you want the debug print routines to direct 133 their output to an UART or USART port on asm9260 based 134 machines. 135 136 DEBUG_UART_PHYS | DEBUG_UART_VIRT 137 138 0x80000000 | 0xf0000000 | UART0 139 0x80004000 | 0xf0004000 | UART1 140 0x80008000 | 0xf0008000 | UART2 141 0x8000c000 | 0xf000c000 | UART3 142 0x80010000 | 0xf0010000 | UART4 143 0x80014000 | 0xf0014000 | UART5 144 0x80018000 | 0xf0018000 | UART6 145 0x8001c000 | 0xf001c000 | UART7 146 0x80020000 | 0xf0020000 | UART8 147 0x80024000 | 0xf0024000 | UART9 148 149 config DEBUG_AT91_RM9200_DBGU 150 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU" 151 select DEBUG_AT91_UART 152 depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 153 help 154 Say Y here if you want kernel low-level debugging support 155 on the DBGU port of: 156 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 157 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5, sam9x60 158 159 config DEBUG_AT91_SAM9263_DBGU 160 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 161 select DEBUG_AT91_UART 162 depends on SOC_AT91SAM9 || SOC_SAMA5D3 163 help 164 Say Y here if you want kernel low-level debugging support 165 on the DBGU port of: 166 at91sam9263, at91sam9g45, at91sam9m10, 167 sama5d3 168 169 config DEBUG_AT91_SAMA5D2_UART1 170 bool "Kernel low-level debugging on SAMA5D2 UART1" 171 select DEBUG_AT91_UART 172 depends on SOC_SAMA5D2 173 help 174 Say Y here if you want kernel low-level debugging support 175 on the UART1 port of sama5d2. 176 177 config DEBUG_AT91_SAMA5D4_USART3 178 bool "Kernel low-level debugging on SAMA5D4 USART3" 179 select DEBUG_AT91_UART 180 depends on SOC_SAMA5D4 181 help 182 Say Y here if you want kernel low-level debugging support 183 on the USART3 port of sama5d4. 184 185 config DEBUG_AT91_SAMV7_USART1 186 bool "Kernel low-level debugging via SAMV7 USART1" 187 select DEBUG_AT91_UART 188 depends on SOC_SAMV7 189 help 190 Say Y here if you want the debug print routines to direct 191 their output to the USART1 port on SAMV7 based 192 machines. 193 194 config DEBUG_AT91_SAMA7G5_FLEXCOM3 195 bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3" 196 select DEBUG_AT91_UART 197 depends on SOC_SAMA7G5 198 help 199 Say Y here if you want kernel low-level debugging support 200 on the FLEXCOM3 port of SAMA7G5. 201 202 config DEBUG_BCM2835 203 bool "Kernel low-level debugging on BCM2835 PL011 UART" 204 depends on ARCH_BCM2835 && ARCH_MULTI_V6 205 select DEBUG_UART_PL01X 206 207 config DEBUG_BCM2836 208 bool "Kernel low-level debugging on BCM2836 PL011 UART" 209 depends on ARCH_BCM2835 && ARCH_MULTI_V7 210 select DEBUG_UART_PL01X 211 212 config DEBUG_BCM_5301X 213 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 214 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 215 select DEBUG_UART_8250 216 217 config DEBUG_BCM_HR2 218 bool "Kernel low-level debugging on Hurricane 2 UART2" 219 depends on ARCH_BCM_HR2 220 select DEBUG_UART_8250 221 222 config DEBUG_BCM_IPROC_UART3 223 bool "Kernel low-level debugging on BCM IPROC UART3" 224 depends on ARCH_BCM_CYGNUS 225 select DEBUG_UART_8250 226 help 227 Say Y here if you want the debug print routines to direct 228 their output to the third serial port on these devices. 229 230 config DEBUG_BCM_KONA_UART 231 bool "Kernel low-level debugging messages via BCM KONA UART" 232 depends on ARCH_BCM_MOBILE 233 select DEBUG_UART_8250 234 help 235 Say Y here if you want kernel low-level debugging support 236 on Broadcom SoC platforms. 237 This low level debug works for Broadcom 238 mobile SoCs in the Kona family of chips (e.g. bcm28155, 239 bcm11351, etc...) 240 241 config DEBUG_BCM63XX_UART 242 bool "Kernel low-level debugging on BCM63XX UART" 243 depends on ARCH_BCM_63XX 244 245 config DEBUG_BERLIN_UART 246 bool "Marvell Berlin SoC Debug UART" 247 depends on ARCH_BERLIN 248 select DEBUG_UART_8250 249 help 250 Say Y here if you want kernel low-level debugging support 251 on Marvell Berlin SoC based platforms. 252 253 config DEBUG_BRCMSTB_UART 254 bool "Use BRCMSTB UART for low-level debug" 255 depends on ARCH_BRCMSTB 256 help 257 Say Y here if you want the debug print routines to direct 258 their output to the first serial port on these devices. The 259 UART physical and virtual address is automatically provided 260 based on the chip identification register value. 261 262 If you have a Broadcom STB chip and would like early print 263 messages to appear over the UART, select this option. 264 265 config DEBUG_CLPS711X_UART1 266 bool "Kernel low-level debugging messages via UART1" 267 depends on ARCH_CLPS711X 268 help 269 Say Y here if you want the debug print routines to direct 270 their output to the first serial port on these devices. 271 272 config DEBUG_CLPS711X_UART2 273 bool "Kernel low-level debugging messages via UART2" 274 depends on ARCH_CLPS711X 275 help 276 Say Y here if you want the debug print routines to direct 277 their output to the second serial port on these devices. 278 279 config DEBUG_CNS3XXX 280 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 281 depends on ARCH_CNS3XXX 282 select DEBUG_UART_8250 283 help 284 Say Y here if you want the debug print routines to direct 285 their output to the CNS3xxx UART0. 286 287 config DEBUG_DAVINCI_DA8XX_UART1 288 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 289 depends on ARCH_DAVINCI_DA8XX 290 select DEBUG_UART_8250 291 help 292 Say Y here if you want the debug print routines to direct 293 their output to UART1 serial port on DaVinci DA8XX devices. 294 295 config DEBUG_DAVINCI_DA8XX_UART2 296 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 297 depends on ARCH_DAVINCI_DA8XX 298 select DEBUG_UART_8250 299 help 300 Say Y here if you want the debug print routines to direct 301 their output to UART2 serial port on DaVinci DA8XX devices. 302 303 config DEBUG_DAVINCI_DMx_UART0 304 bool "Kernel low-level debugging on DaVinci DMx using UART0" 305 depends on ARCH_DAVINCI_DMx 306 select DEBUG_UART_8250 307 help 308 Say Y here if you want the debug print routines to direct 309 their output to UART0 serial port on DaVinci DMx devices. 310 311 config DEBUG_DC21285_PORT 312 bool "Kernel low-level debugging messages via footbridge serial port" 313 depends on FOOTBRIDGE 314 help 315 Say Y here if you want the debug print routines to direct 316 their output to the serial port in the DC21285 (Footbridge). 317 318 config DEBUG_DIGICOLOR_UA0 319 bool "Kernel low-level debugging messages via Digicolor UA0" 320 depends on ARCH_DIGICOLOR 321 help 322 Say Y here if you want the debug print routines to direct 323 their output to the UA0 serial port in the CX92755. 324 325 config DEBUG_EP93XX 326 bool "Kernel low-level debugging messages via ep93xx UART" 327 depends on ARCH_EP93XX 328 select DEBUG_UART_PL01X 329 help 330 Say Y here if you want kernel low-level debugging support 331 on Cirrus Logic EP93xx based platforms. 332 333 config DEBUG_FOOTBRIDGE_COM1 334 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 335 depends on FOOTBRIDGE 336 select DEBUG_UART_8250 337 help 338 Say Y here if you want the debug print routines to direct 339 their output to the 8250 at PCI COM1. 340 341 config DEBUG_GEMINI 342 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 343 depends on ARCH_GEMINI 344 select DEBUG_UART_8250 345 help 346 Say Y here if you want kernel low-level debugging support 347 on Cortina Gemini based platforms. 348 349 config DEBUG_HI3620_UART 350 bool "Hisilicon HI3620 Debug UART" 351 depends on ARCH_HI3xxx 352 select DEBUG_UART_PL01X 353 help 354 Say Y here if you want kernel low-level debugging support 355 on HI3620 UART. 356 357 config DEBUG_HIGHBANK_UART 358 bool "Kernel low-level debugging messages via Highbank UART" 359 depends on ARCH_HIGHBANK 360 select DEBUG_UART_PL01X 361 help 362 Say Y here if you want the debug print routines to direct 363 their output to the UART on Highbank based devices. 364 365 config DEBUG_HIP01_UART 366 bool "Hisilicon Hip01 Debug UART" 367 depends on ARCH_HIP01 368 select DEBUG_UART_8250 369 help 370 Say Y here if you want kernel low-level debugging support 371 on HIP01 UART. 372 373 config DEBUG_HIP04_UART 374 bool "Hisilicon HiP04 Debug UART" 375 depends on ARCH_HIP04 376 select DEBUG_UART_8250 377 help 378 Say Y here if you want kernel low-level debugging support 379 on HIP04 UART. 380 381 config DEBUG_HIX5HD2_UART 382 bool "Hisilicon Hix5hd2 Debug UART" 383 depends on ARCH_HIX5HD2 384 select DEBUG_UART_PL01X 385 help 386 Say Y here if you want kernel low-level debugging support 387 on Hix5hd2 UART. 388 389 config DEBUG_IMX1_UART 390 bool "i.MX1 Debug UART" 391 depends on SOC_IMX1 392 help 393 Say Y here if you want kernel low-level debugging support 394 on i.MX1. 395 396 config DEBUG_IMX23_UART 397 bool "i.MX23 Debug UART" 398 depends on SOC_IMX23 399 select DEBUG_UART_PL01X 400 help 401 Say Y here if you want kernel low-level debugging support 402 on i.MX23. 403 404 config DEBUG_IMX25_UART 405 bool "i.MX25 Debug UART" 406 depends on SOC_IMX25 407 help 408 Say Y here if you want kernel low-level debugging support 409 on i.MX25. 410 411 config DEBUG_IMX21_IMX27_UART 412 bool "i.MX21 and i.MX27 Debug UART" 413 depends on SOC_IMX21 || SOC_IMX27 414 help 415 Say Y here if you want kernel low-level debugging support 416 on i.MX21 or i.MX27. 417 418 config DEBUG_IMX28_UART 419 bool "i.MX28 Debug UART" 420 depends on SOC_IMX28 421 select DEBUG_UART_PL01X 422 help 423 Say Y here if you want kernel low-level debugging support 424 on i.MX28. 425 426 config DEBUG_IMX31_UART 427 bool "i.MX31 Debug UART" 428 depends on SOC_IMX31 429 help 430 Say Y here if you want kernel low-level debugging support 431 on i.MX31. 432 433 config DEBUG_IMX35_UART 434 bool "i.MX35 Debug UART" 435 depends on SOC_IMX35 436 help 437 Say Y here if you want kernel low-level debugging support 438 on i.MX35. 439 440 config DEBUG_IMX50_UART 441 bool "i.MX50 Debug UART" 442 depends on SOC_IMX50 443 help 444 Say Y here if you want kernel low-level debugging support 445 on i.MX50. 446 447 config DEBUG_IMX51_UART 448 bool "i.MX51 Debug UART" 449 depends on SOC_IMX51 450 help 451 Say Y here if you want kernel low-level debugging support 452 on i.MX51. 453 454 config DEBUG_IMX53_UART 455 bool "i.MX53 Debug UART" 456 depends on SOC_IMX53 457 help 458 Say Y here if you want kernel low-level debugging support 459 on i.MX53. 460 461 config DEBUG_IMX6Q_UART 462 bool "i.MX6Q/DL Debug UART" 463 depends on SOC_IMX6Q 464 help 465 Say Y here if you want kernel low-level debugging support 466 on i.MX6Q/DL. 467 468 config DEBUG_IMX6SL_UART 469 bool "i.MX6SL Debug UART" 470 depends on SOC_IMX6SL 471 help 472 Say Y here if you want kernel low-level debugging support 473 on i.MX6SL. 474 475 config DEBUG_IMX6SX_UART 476 bool "i.MX6SX Debug UART" 477 depends on SOC_IMX6SX 478 help 479 Say Y here if you want kernel low-level debugging support 480 on i.MX6SX. 481 482 config DEBUG_IMX6UL_UART 483 bool "i.MX6UL Debug UART" 484 depends on SOC_IMX6UL 485 help 486 Say Y here if you want kernel low-level debugging support 487 on i.MX6UL. 488 489 config DEBUG_IMX7D_UART 490 bool "i.MX7D Debug UART" 491 depends on SOC_IMX7D 492 help 493 Say Y here if you want kernel low-level debugging support 494 on i.MX7D. 495 496 config DEBUG_INTEGRATOR 497 bool "Kernel low-level debugging messages via ARM Integrator UART" 498 depends on ARCH_INTEGRATOR 499 select DEBUG_UART_PL01X 500 help 501 Say Y here if you want kernel low-level debugging support 502 on ARM Integrator platforms. 503 504 config DEBUG_KEYSTONE_UART0 505 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 506 depends on ARCH_KEYSTONE 507 select DEBUG_UART_8250 508 help 509 Say Y here if you want the debug print routines to direct 510 their output to UART0 serial port on KEYSTONE2 devices. 511 512 config DEBUG_KEYSTONE_UART1 513 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 514 depends on ARCH_KEYSTONE 515 select DEBUG_UART_8250 516 help 517 Say Y here if you want the debug print routines to direct 518 their output to UART1 serial port on KEYSTONE2 devices. 519 520 config DEBUG_LPC18XX_UART0 521 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 522 depends on ARCH_LPC18XX 523 select DEBUG_UART_8250 524 help 525 Say Y here if you want kernel low-level debugging support 526 on NXP LPC18xx/43xx UART0. 527 528 config DEBUG_LPC32XX 529 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 530 depends on ARCH_LPC32XX 531 select DEBUG_UART_8250 532 help 533 Say Y here if you want kernel low-level debugging support 534 on NXP LPC32xx based platforms. 535 536 config DEBUG_MESON_UARTAO 537 bool "Kernel low-level debugging via Meson6 UARTAO" 538 depends on ARCH_MESON 539 help 540 Say Y here if you want kernel low-lever debugging support 541 on Amlogic Meson6 based platforms on the UARTAO. 542 543 config DEBUG_MMP_UART2 544 bool "Kernel low-level debugging message via MMP UART2" 545 depends on ARCH_MMP 546 select DEBUG_UART_8250 547 help 548 Say Y here if you want kernel low-level debugging support 549 on MMP UART2. 550 551 config DEBUG_MMP_UART3 552 bool "Kernel low-level debugging message via MMP UART3" 553 depends on ARCH_MMP 554 select DEBUG_UART_8250 555 help 556 Say Y here if you want kernel low-level debugging support 557 on MMP UART3. 558 559 config DEBUG_MVEBU_UART0 560 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 561 depends on ARCH_MVEBU 562 depends on ARCH_MVEBU && CPU_V7 563 select DEBUG_UART_8250 564 help 565 Say Y here if you want kernel low-level debugging support 566 on MVEBU based platforms on UART0. 567 568 This option should be used with the old bootloaders 569 that left the internal registers mapped at 570 0xd0000000. As of today, this is the case on 571 platforms such as the Globalscale Mirabox or the 572 Plathome OpenBlocks AX3, when using the original 573 bootloader. 574 575 This option will not work on older Marvell platforms 576 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 577 the "new bootloader" variant. 578 579 If the wrong DEBUG_MVEBU_UART* option is selected, 580 when u-boot hands over to the kernel, the system 581 silently crashes, with no serial output at all. 582 583 config DEBUG_MVEBU_UART0_ALTERNATE 584 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 585 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 586 select DEBUG_UART_8250 587 help 588 Say Y here if you want kernel low-level debugging support 589 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 590 Kirkwood, Dove, MV78xx0, Orion5x). 591 592 593 This option should be used with the new bootloaders 594 that remap the internal registers at 0xf1000000. 595 596 If the wrong DEBUG_MVEBU_UART* option is selected, 597 when u-boot hands over to the kernel, the system 598 silently crashes, with no serial output at all. 599 600 config DEBUG_MVEBU_UART1_ALTERNATE 601 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 602 depends on ARCH_MVEBU 603 select DEBUG_UART_8250 604 help 605 Say Y here if you want kernel low-level debugging support 606 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 607 Kirkwood, Dove, MV78xx0, Orion5x). 608 609 This option should be used with the new bootloaders 610 that remap the internal registers at 0xf1000000. 611 All of the older (pre Armada XP/370) platforms also use 612 this address, regardless of the boot loader version. 613 614 If the wrong DEBUG_MVEBU_UART* option is selected, 615 when u-boot hands over to the kernel, the system 616 silently crashes, with no serial output at all. 617 618 config DEBUG_MSTARV7_PMUART 619 bool "Kernel low-level debugging messages via MSTARV7 PM UART" 620 depends on ARCH_MSTARV7 621 select DEBUG_UART_8250 622 help 623 Say Y here if you want kernel low-level debugging support 624 for MSTAR ARMv7-based platforms on PM UART. 625 626 config DEBUG_MT6589_UART0 627 bool "Mediatek mt6589 UART0" 628 depends on ARCH_MEDIATEK 629 select DEBUG_UART_8250 630 help 631 Say Y here if you want kernel low-level debugging support 632 for Mediatek mt6589 based platforms on UART0. 633 634 config DEBUG_MT8127_UART0 635 bool "Mediatek mt8127/mt6592 UART0" 636 depends on ARCH_MEDIATEK 637 select DEBUG_UART_8250 638 help 639 Say Y here if you want kernel low-level debugging support 640 for Mediatek mt8127 based platforms on UART0. 641 642 config DEBUG_MT8135_UART3 643 bool "Mediatek mt8135 UART3" 644 depends on ARCH_MEDIATEK 645 select DEBUG_UART_8250 646 help 647 Say Y here if you want kernel low-level debugging support 648 for Mediatek mt8135 based platforms on UART3. 649 650 config DEBUG_NOMADIK_UART 651 bool "Kernel low-level debugging messages via NOMADIK UART" 652 depends on ARCH_NOMADIK 653 select DEBUG_UART_PL01X 654 help 655 Say Y here if you want kernel low-level debugging support 656 on NOMADIK based platforms. 657 658 config DEBUG_NSPIRE_CLASSIC_UART 659 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 660 depends on ARCH_NSPIRE 661 select DEBUG_UART_8250 662 help 663 Say Y here if you want kernel low-level debugging support 664 on TI-NSPIRE classic models. 665 666 config DEBUG_NSPIRE_CX_UART 667 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 668 depends on ARCH_NSPIRE 669 select DEBUG_UART_PL01X 670 help 671 Say Y here if you want kernel low-level debugging support 672 on TI-NSPIRE CX models. 673 674 config DEBUG_OMAP1UART1 675 bool "Kernel low-level debugging via OMAP1 UART1" 676 depends on ARCH_OMAP1 677 select DEBUG_UART_8250 678 help 679 Say Y here if you want kernel low-level debugging support 680 on OMAP1 based platforms (except OMAP730) on the UART1. 681 682 config DEBUG_OMAP1UART2 683 bool "Kernel low-level debugging via OMAP1 UART2" 684 depends on ARCH_OMAP1 685 select DEBUG_UART_8250 686 help 687 Say Y here if you want kernel low-level debugging support 688 on OMAP1 based platforms (except OMAP730) on the UART2. 689 690 config DEBUG_OMAP1UART3 691 bool "Kernel low-level debugging via OMAP1 UART3" 692 depends on ARCH_OMAP1 693 select DEBUG_UART_8250 694 help 695 Say Y here if you want kernel low-level debugging support 696 on OMAP1 based platforms (except OMAP730) on the UART3. 697 698 config DEBUG_OMAP2UART1 699 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 700 depends on ARCH_OMAP2PLUS 701 select DEBUG_UART_8250 702 help 703 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 704 omap3 torpedo and 3530 lv som. 705 706 config DEBUG_OMAP2UART2 707 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 708 depends on ARCH_OMAP2PLUS 709 select DEBUG_UART_8250 710 711 config DEBUG_OMAP2UART3 712 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 713 depends on ARCH_OMAP2PLUS 714 select DEBUG_UART_8250 715 716 config DEBUG_OMAP3UART3 717 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 718 depends on ARCH_OMAP2PLUS 719 select DEBUG_UART_8250 720 help 721 This covers at least cm_t3x, beagle, crane, devkit8000, 722 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 723 and 3517evm. 724 725 config DEBUG_OMAP4UART3 726 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 727 depends on ARCH_OMAP2PLUS 728 select DEBUG_UART_8250 729 730 config DEBUG_OMAP3UART4 731 bool "Kernel low-level debugging messages via OMAP36XX UART4" 732 depends on ARCH_OMAP2PLUS 733 select DEBUG_UART_8250 734 735 config DEBUG_OMAP4UART4 736 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 737 depends on ARCH_OMAP2PLUS 738 select DEBUG_UART_8250 739 740 config DEBUG_OMAP7XXUART1 741 bool "Kernel low-level debugging via OMAP730 UART1" 742 depends on ARCH_OMAP730 743 select DEBUG_UART_8250 744 help 745 Say Y here if you want kernel low-level debugging support 746 on OMAP730 based platforms on the UART1. 747 748 config DEBUG_OMAP7XXUART2 749 bool "Kernel low-level debugging via OMAP730 UART2" 750 depends on ARCH_OMAP730 751 select DEBUG_UART_8250 752 help 753 Say Y here if you want kernel low-level debugging support 754 on OMAP730 based platforms on the UART2. 755 756 config DEBUG_OMAP7XXUART3 757 bool "Kernel low-level debugging via OMAP730 UART3" 758 depends on ARCH_OMAP730 759 select DEBUG_UART_8250 760 help 761 Say Y here if you want kernel low-level debugging support 762 on OMAP730 based platforms on the UART3. 763 764 config DEBUG_TI81XXUART1 765 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 766 depends on ARCH_OMAP2PLUS 767 select DEBUG_UART_8250 768 769 config DEBUG_TI81XXUART2 770 bool "Kernel low-level debugging messages via TI81XX UART2" 771 depends on ARCH_OMAP2PLUS 772 select DEBUG_UART_8250 773 774 config DEBUG_TI81XXUART3 775 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 776 depends on ARCH_OMAP2PLUS 777 select DEBUG_UART_8250 778 779 config DEBUG_AM33XXUART1 780 bool "Kernel low-level debugging messages via AM33XX UART1" 781 depends on ARCH_OMAP2PLUS 782 select DEBUG_UART_8250 783 784 config DEBUG_ZOOM_UART 785 bool "Kernel low-level debugging messages via Zoom2/3 UART" 786 depends on ARCH_OMAP2PLUS 787 select DEBUG_OMAP2PLUS_UART 788 789 config DEBUG_PXA_UART1 790 depends on ARCH_PXA 791 bool "Use PXA UART1 for low-level debug" 792 select DEBUG_UART_8250 793 help 794 Say Y here if you want kernel low-level debugging support 795 on PXA UART1. 796 797 config DEBUG_QCOM_UARTDM 798 bool "Kernel low-level debugging messages via QCOM UARTDM" 799 depends on ARCH_QCOM 800 help 801 Say Y here if you want the debug print routines to direct 802 their output to the serial port on Qualcomm devices. 803 804 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 805 APQ8064 0x16640000 0xf0040000 806 APQ8084 0xf995e000 0xfa75e000 807 IPQ4019 0x078af000 0xf78af000 808 MSM8X60 0x19c40000 0xf0040000 809 MSM8960 0x16440000 0xf0040000 810 MSM8974 0xf991e000 0xfa71e000 811 812 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 813 options based on your needs. 814 815 config DEBUG_REALVIEW_STD_PORT 816 bool "RealView Default UART" 817 depends on ARCH_REALVIEW 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 serial port on RealView EB, PB11MP, PBA8 822 and PBX platforms. 823 824 config DEBUG_REALVIEW_PB1176_PORT 825 bool "RealView PB1176 UART" 826 depends on MACH_REALVIEW_PB1176 827 select DEBUG_UART_PL01X 828 help 829 Say Y here if you want the debug print routines to direct 830 their output to the standard serial port on the RealView 831 PB1176 platform. 832 833 config DEBUG_RV1108_UART0 834 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 835 depends on ARCH_ROCKCHIP 836 select DEBUG_UART_8250 837 help 838 Say Y here if you want kernel low-level debugging support 839 on Rockchip RV1108 based platforms. 840 841 config DEBUG_RV1108_UART1 842 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 843 depends on ARCH_ROCKCHIP 844 select DEBUG_UART_8250 845 help 846 Say Y here if you want kernel low-level debugging support 847 on Rockchip RV1108 based platforms. 848 849 config DEBUG_RV1108_UART2 850 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 851 depends on ARCH_ROCKCHIP 852 select DEBUG_UART_8250 853 help 854 Say Y here if you want kernel low-level debugging support 855 on Rockchip RV1108 based platforms. 856 857 config DEBUG_RK29_UART0 858 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 859 depends on ARCH_ROCKCHIP 860 select DEBUG_UART_8250 861 help 862 Say Y here if you want kernel low-level debugging support 863 on Rockchip based platforms. 864 865 config DEBUG_RK29_UART1 866 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 867 depends on ARCH_ROCKCHIP 868 select DEBUG_UART_8250 869 help 870 Say Y here if you want kernel low-level debugging support 871 on Rockchip based platforms. 872 873 config DEBUG_RK29_UART2 874 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 875 depends on ARCH_ROCKCHIP 876 select DEBUG_UART_8250 877 help 878 Say Y here if you want kernel low-level debugging support 879 on Rockchip based platforms. 880 881 config DEBUG_RK3X_UART0 882 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 883 depends on ARCH_ROCKCHIP 884 select DEBUG_UART_8250 885 help 886 Say Y here if you want kernel low-level debugging support 887 on Rockchip based platforms. 888 889 config DEBUG_RK3X_UART1 890 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 891 depends on ARCH_ROCKCHIP 892 select DEBUG_UART_8250 893 help 894 Say Y here if you want kernel low-level debugging support 895 on Rockchip based platforms. 896 897 config DEBUG_RK3X_UART2 898 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 899 depends on ARCH_ROCKCHIP 900 select DEBUG_UART_8250 901 help 902 Say Y here if you want kernel low-level debugging support 903 on Rockchip based platforms. 904 905 config DEBUG_RK3X_UART3 906 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 907 depends on ARCH_ROCKCHIP 908 select DEBUG_UART_8250 909 help 910 Say Y here if you want kernel low-level debugging support 911 on Rockchip based platforms. 912 913 config DEBUG_RK32_UART2 914 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 915 depends on ARCH_ROCKCHIP 916 select DEBUG_UART_8250 917 help 918 Say Y here if you want kernel low-level debugging support 919 on Rockchip RK32xx based platforms. 920 921 config DEBUG_R7S72100_SCIF2 922 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 923 depends on ARCH_R7S72100 924 help 925 Say Y here if you want kernel low-level debugging support 926 via SCIF2 on Renesas RZ/A1H (R7S72100). 927 928 config DEBUG_R7S9210_SCIF2 929 bool "Kernel low-level debugging messages via SCIF2 on R7S9210" 930 depends on ARCH_R7S9210 931 help 932 Say Y here if you want kernel low-level debugging support 933 via SCIF2 on Renesas RZ/A2M (R7S9210). 934 935 config DEBUG_R7S9210_SCIF4 936 bool "Kernel low-level debugging messages via SCIF4 on R7S9210" 937 depends on ARCH_R7S9210 938 help 939 Say Y here if you want kernel low-level debugging support 940 via SCIF4 on Renesas RZ/A2M (R7S9210). 941 942 config DEBUG_RCAR_GEN1_SCIF0 943 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 944 depends on ARCH_R8A7778 945 help 946 Say Y here if you want kernel low-level debugging support 947 via SCIF0 on Renesas R-Car M1A (R8A7778). 948 949 config DEBUG_RCAR_GEN1_SCIF2 950 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 951 depends on ARCH_R8A7779 952 help 953 Say Y here if you want kernel low-level debugging support 954 via SCIF2 on Renesas R-Car H1 (R8A7779). 955 956 config DEBUG_RCAR_GEN2_SCIF0 957 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 958 depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ 959 ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 960 help 961 Say Y here if you want kernel low-level debugging support 962 via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), 963 R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or 964 M2-N (R8A7793). 965 966 config DEBUG_RCAR_GEN2_SCIF1 967 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 968 depends on ARCH_R8A77470 969 help 970 Say Y here if you want kernel low-level debugging support 971 via SCIF1 on Renesas RZ/G1C (R8A77470). 972 973 config DEBUG_RCAR_GEN2_SCIF2 974 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 975 depends on ARCH_R8A7794 976 help 977 Say Y here if you want kernel low-level debugging support 978 via SCIF2 on Renesas R-Car E2 (R8A7794). 979 980 config DEBUG_RCAR_GEN2_SCIF4 981 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 982 depends on ARCH_R8A7745 983 help 984 Say Y here if you want kernel low-level debugging support 985 via SCIF4 on Renesas RZ/G1E (R8A7745). 986 987 config DEBUG_RCAR_GEN2_SCIFA2 988 bool "Kernel low-level debugging messages via SCIFA2 on R8A7742" 989 depends on ARCH_R8A7742 990 help 991 Say Y here if you want kernel low-level debugging support 992 via SCIFA2 on Renesas RZ/G1H (R8A7742). 993 994 config DEBUG_RMOBILE_SCIFA0 995 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 996 depends on ARCH_R8A73A4 997 help 998 Say Y here if you want kernel low-level debugging support 999 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 1000 1001 config DEBUG_RMOBILE_SCIFA1 1002 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 1003 depends on ARCH_R8A7740 1004 help 1005 Say Y here if you want kernel low-level debugging support 1006 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 1007 1008 config DEBUG_RMOBILE_SCIFA4 1009 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 1010 depends on ARCH_SH73A0 1011 help 1012 Say Y here if you want kernel low-level debugging support 1013 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 1014 1015 config DEBUG_S3C_UART0 1016 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1017 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1018 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1019 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1020 select DEBUG_S5PV210_UART if ARCH_S5PV210 1021 bool "Use Samsung S3C UART 0 for low-level debug" 1022 help 1023 Say Y here if you want the debug print routines to direct 1024 their output to UART 0. The port must have been initialised 1025 by the boot-loader before use. 1026 1027 config DEBUG_S3C_UART1 1028 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1029 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1030 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1031 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1032 select DEBUG_S5PV210_UART if ARCH_S5PV210 1033 bool "Use Samsung S3C UART 1 for low-level debug" 1034 help 1035 Say Y here if you want the debug print routines to direct 1036 their output to UART 1. The port must have been initialised 1037 by the boot-loader before use. 1038 1039 config DEBUG_S3C_UART2 1040 depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1041 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1042 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1043 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1044 select DEBUG_S5PV210_UART if ARCH_S5PV210 1045 bool "Use Samsung S3C UART 2 for low-level debug" 1046 help 1047 Say Y here if you want the debug print routines to direct 1048 their output to UART 2. The port must have been initialised 1049 by the boot-loader before use. 1050 1051 config DEBUG_S3C_UART3 1052 depends on ARCH_EXYNOS || ARCH_S5PV210 1053 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1054 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1055 select DEBUG_S5PV210_UART if ARCH_S5PV210 1056 bool "Use Samsung S3C UART 3 for low-level debug" 1057 help 1058 Say Y here if you want the debug print routines to direct 1059 their output to UART 3. The port must have been initialised 1060 by the boot-loader before use. 1061 1062 config DEBUG_S3C2410_UART0 1063 depends on ARCH_S3C24XX 1064 select DEBUG_S3C2410_UART 1065 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1066 help 1067 Say Y here if you want the debug print routines to direct 1068 their output to UART 0. The port must have been initialised 1069 by the boot-loader before use. 1070 1071 config DEBUG_S3C2410_UART1 1072 depends on ARCH_S3C24XX 1073 select DEBUG_S3C2410_UART 1074 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1075 help 1076 Say Y here if you want the debug print routines to direct 1077 their output to UART 1. The port must have been initialised 1078 by the boot-loader before use. 1079 1080 config DEBUG_S3C2410_UART2 1081 depends on ARCH_S3C24XX 1082 select DEBUG_S3C2410_UART 1083 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1084 help 1085 Say Y here if you want the debug print routines to direct 1086 their output to UART 2. The port must have been initialised 1087 by the boot-loader before use. 1088 1089 config DEBUG_SA1100 1090 depends on ARCH_SA1100 1091 bool "Use SA1100 UARTs for low-level debug" 1092 help 1093 Say Y here if you want kernel low-level debugging support 1094 on SA-11x0 UART ports. The kernel will check for the first 1095 enabled UART in a sequence 3-1-2. 1096 1097 config DEBUG_SD5203_UART 1098 bool "Hisilicon SD5203 Debug UART" 1099 depends on ARCH_SD5203 1100 select DEBUG_UART_8250 1101 help 1102 Say Y here if you want kernel low-level debugging support 1103 on SD5203 UART. 1104 1105 config DEBUG_SOCFPGA_UART0 1106 depends on ARCH_INTEL_SOCFPGA 1107 bool "Use SOCFPGA UART0 for low-level debug" 1108 select DEBUG_UART_8250 1109 help 1110 Say Y here if you want kernel low-level debugging support 1111 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1112 1113 config DEBUG_SOCFPGA_ARRIA10_UART1 1114 depends on ARCH_INTEL_SOCFPGA 1115 bool "Use SOCFPGA Arria10 UART1 for low-level debug" 1116 select DEBUG_UART_8250 1117 help 1118 Say Y here if you want kernel low-level debugging support 1119 on SOCFPGA(Arria 10) based platforms. 1120 1121 config DEBUG_SOCFPGA_CYCLONE5_UART1 1122 depends on ARCH_INTEL_SOCFPGA 1123 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" 1124 select DEBUG_UART_8250 1125 help 1126 Say Y here if you want kernel low-level debugging support 1127 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1128 1129 config DEBUG_SUN9I_UART0 1130 bool "Kernel low-level debugging messages via sun9i UART0" 1131 depends on MACH_SUN9I 1132 select DEBUG_UART_8250 1133 help 1134 Say Y here if you want kernel low-level debugging support 1135 on Allwinner A80 based platforms on the UART0. 1136 1137 config DEBUG_SUNXI_UART0 1138 bool "Kernel low-level debugging messages via sunXi UART0" 1139 depends on ARCH_SUNXI 1140 select DEBUG_UART_8250 1141 help 1142 Say Y here if you want kernel low-level debugging support 1143 on Allwinner A1X based platforms on the UART0. 1144 1145 config DEBUG_SUNXI_UART1 1146 bool "Kernel low-level debugging messages via sunXi UART1" 1147 depends on ARCH_SUNXI 1148 select DEBUG_UART_8250 1149 help 1150 Say Y here if you want kernel low-level debugging support 1151 on Allwinner A1X based platforms on the UART1. 1152 1153 config DEBUG_SUNXI_R_UART 1154 bool "Kernel low-level debugging messages via sunXi R_UART" 1155 depends on MACH_SUN6I || MACH_SUN8I 1156 select DEBUG_UART_8250 1157 help 1158 Say Y here if you want kernel low-level debugging support 1159 on Allwinner A31/A23 based platforms on the R_UART. 1160 1161 config DEBUG_SPEAR3XX 1162 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1163 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1164 select DEBUG_UART_PL01X 1165 help 1166 Say Y here if you want kernel low-level debugging support 1167 on ST SPEAr based platforms. 1168 1169 config DEBUG_SPEAR13XX 1170 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1171 depends on ARCH_SPEAR13XX 1172 select DEBUG_UART_PL01X 1173 help 1174 Say Y here if you want kernel low-level debugging support 1175 on ST SPEAr13xx based platforms. 1176 1177 config DEBUG_STIH41X_ASC2 1178 bool "Use StiH415/416 ASC2 UART for low-level debug" 1179 depends on ARCH_STI 1180 help 1181 Say Y here if you want kernel low-level debugging support 1182 on STiH415/416 based platforms like b2000, which has 1183 default UART wired up to ASC2. 1184 1185 If unsure, say N. 1186 1187 config DEBUG_STIH41X_SBC_ASC1 1188 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1189 depends on ARCH_STI 1190 help 1191 Say Y here if you want kernel low-level debugging support 1192 on STiH415/416 based platforms like b2020. which has 1193 default UART wired up to SBC ASC1. 1194 1195 If unsure, say N. 1196 1197 config DEBUG_STIH418_SBC_ASC0 1198 bool "Use StiH418 SBC ASC0 UART for low-level debug" 1199 depends on ARCH_STI 1200 help 1201 Say Y here if you want kernel low-level debugging support 1202 on STiH418 based platforms which has default UART wired 1203 up to SBC ASC0. 1204 1205 If unsure, say N. 1206 1207 config STM32F4_DEBUG_UART 1208 bool "Use STM32F4 UART for low-level debug" 1209 depends on MACH_STM32F429 || MACH_STM32F469 1210 select DEBUG_STM32_UART 1211 help 1212 Say Y here if you want kernel low-level debugging support 1213 on STM32F4 based platforms, which default UART is wired on 1214 USART1, but another UART instance can be selected by modifying 1215 CONFIG_DEBUG_UART_PHYS. 1216 1217 If unsure, say N. 1218 1219 config STM32F7_DEBUG_UART 1220 bool "Use STM32F7 UART for low-level debug" 1221 depends on MACH_STM32F746 || MACH_STM32F769 1222 select DEBUG_STM32_UART 1223 help 1224 Say Y here if you want kernel low-level debugging support 1225 on STM32F7 based platforms, which default UART is wired on 1226 USART1, but another UART instance can be selected by modifying 1227 CONFIG_DEBUG_UART_PHYS. 1228 1229 If unsure, say N. 1230 1231 config STM32H7_DEBUG_UART 1232 bool "Use STM32H7 UART for low-level debug" 1233 depends on MACH_STM32H743 1234 select DEBUG_STM32_UART 1235 help 1236 Say Y here if you want kernel low-level debugging support 1237 on STM32H7 based platforms, which default UART is wired on 1238 USART1, but another UART instance can be selected by modifying 1239 CONFIG_DEBUG_UART_PHYS. 1240 1241 If unsure, say N. 1242 1243 config STM32MP1_DEBUG_UART 1244 bool "Use STM32MP1 UART for low-level debug" 1245 depends on MACH_STM32MP157 1246 select DEBUG_STM32_UART 1247 help 1248 Say Y here if you want kernel low-level debugging support 1249 on STM32MP1 based platforms, wich default UART is wired on 1250 UART4, but another UART instance can be selected by modifying 1251 CONFIG_DEBUG_UART_PHYS and CONFIG_DEBUG_UART_VIRT. 1252 1253 If unsure, say N. 1254 1255 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1256 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1257 depends on ARCH_TEGRA 1258 select DEBUG_TEGRA_UART 1259 help 1260 Automatically determines which UART to use for low-level 1261 debug based on the ODMDATA value. This value is part of 1262 the BCT, and is written to the boot memory device using 1263 nvflash, or other flashing tool. When bits 19:18 are 3, 1264 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1265 are UART A/B/C/D/E. 1266 1267 config TEGRA_DEBUG_UARTA 1268 bool "Kernel low-level debugging messages via Tegra UART A" 1269 depends on ARCH_TEGRA 1270 select DEBUG_TEGRA_UART 1271 help 1272 Say Y here if you want kernel low-level debugging support 1273 on Tegra based platforms. 1274 1275 config TEGRA_DEBUG_UARTB 1276 bool "Kernel low-level debugging messages via Tegra UART B" 1277 depends on ARCH_TEGRA 1278 select DEBUG_TEGRA_UART 1279 help 1280 Say Y here if you want kernel low-level debugging support 1281 on Tegra based platforms. 1282 1283 config TEGRA_DEBUG_UARTC 1284 bool "Kernel low-level debugging messages via Tegra UART C" 1285 depends on ARCH_TEGRA 1286 select DEBUG_TEGRA_UART 1287 help 1288 Say Y here if you want kernel low-level debugging support 1289 on Tegra based platforms. 1290 1291 config TEGRA_DEBUG_UARTD 1292 bool "Kernel low-level debugging messages via Tegra UART D" 1293 depends on ARCH_TEGRA 1294 select DEBUG_TEGRA_UART 1295 help 1296 Say Y here if you want kernel low-level debugging support 1297 on Tegra based platforms. 1298 1299 config TEGRA_DEBUG_UARTE 1300 bool "Kernel low-level debugging messages via Tegra UART E" 1301 depends on ARCH_TEGRA 1302 select DEBUG_TEGRA_UART 1303 help 1304 Say Y here if you want kernel low-level debugging support 1305 on Tegra based platforms. 1306 1307 config DEBUG_UX500_UART 1308 depends on ARCH_U8500 1309 bool "Use Ux500 UART for low-level debug" 1310 help 1311 Say Y here if you want kernel low-level debugging support 1312 on Ux500 based platforms. 1313 1314 config DEBUG_VERSATILE 1315 bool "Kernel low-level debugging messages via ARM Versatile UART" 1316 depends on ARCH_VERSATILE 1317 select DEBUG_UART_PL01X 1318 help 1319 Say Y here if you want kernel low-level debugging support 1320 on ARM Versatile platforms. 1321 1322 config DEBUG_VEXPRESS_UART0_DETECT 1323 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1324 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1325 help 1326 This option enables a simple heuristic which tries to determine 1327 the motherboard's memory map variant (original or RS1) and then 1328 choose the relevant UART0 base address. 1329 1330 Note that this will only work with standard A-class core tiles, 1331 and may fail with non-standard SMM or custom software models. 1332 1333 config DEBUG_VEXPRESS_UART0_CA9 1334 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1335 depends on ARCH_VEXPRESS 1336 select DEBUG_UART_PL01X 1337 help 1338 This option selects UART0 at 0x10009000. Except for custom models, 1339 this applies only to the V2P-CA9 tile. 1340 1341 config DEBUG_VEXPRESS_UART0_RS1 1342 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1343 depends on ARCH_VEXPRESS 1344 select DEBUG_UART_PL01X 1345 help 1346 This option selects UART0 at 0x1c090000. This applies to most 1347 of the tiles using the RS1 memory map, including all new A-class 1348 core tiles, FPGA-based SMMs and software models. 1349 1350 config DEBUG_VEXPRESS_UART0_CRX 1351 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1352 depends on ARCH_VEXPRESS && !MMU 1353 select DEBUG_UART_PL01X 1354 help 1355 This option selects UART0 at 0xb0090000. This is appropriate for 1356 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1357 1358 config DEBUG_VF_UART 1359 bool "Vybrid UART" 1360 depends on SOC_VF610 1361 help 1362 Say Y here if you want kernel low-level debugging support 1363 on Vybrid based platforms. 1364 1365 config DEBUG_VT8500_UART0 1366 bool "Use UART0 on VIA/Wondermedia SoCs" 1367 depends on ARCH_VT8500 1368 help 1369 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1370 devices, including VT8500, WM8505, WM8650 and WM8850. 1371 1372 config DEBUG_ZYNQ_UART0 1373 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1374 depends on ARCH_ZYNQ 1375 help 1376 Say Y here if you want the debug print routines to direct 1377 their output to UART0 on the Zynq platform. 1378 1379 config DEBUG_ZYNQ_UART1 1380 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1381 depends on ARCH_ZYNQ 1382 help 1383 Say Y here if you want the debug print routines to direct 1384 their output to UART1 on the Zynq platform. 1385 1386 If you have a ZC702 board and want early boot messages to 1387 appear on the USB serial adaptor, select this option. 1388 1389 config DEBUG_ICEDCC 1390 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1391 help 1392 Say Y here if you want the debug print routines to direct 1393 their output to the EmbeddedICE macrocell's DCC channel using 1394 co-processor 14. This is known to work on the ARM9 style ICE 1395 channel and on the XScale with the PEEDI. 1396 1397 Note that the system will appear to hang during boot if there 1398 is nothing connected to read from the DCC. 1399 1400 config DEBUG_SEMIHOSTING 1401 bool "Kernel low-level debug output via semihosting I/O" 1402 help 1403 Semihosting enables code running on an ARM target to use 1404 the I/O facilities on a host debugger/emulator through a 1405 simple SVC call. The host debugger or emulator must have 1406 semihosting enabled for the special svc call to be trapped 1407 otherwise the kernel will crash. 1408 1409 This is known to work with OpenOCD, as well as 1410 ARM's Fast Models, or any other controlling environment 1411 that implements semihosting. 1412 1413 For more details about semihosting, please see 1414 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1415 1416 config DEBUG_LL_UART_8250 1417 bool "Kernel low-level debugging via 8250 UART" 1418 help 1419 Say Y here if you wish the debug print routes to direct 1420 their output to an 8250 UART. You can use this option 1421 to provide the parameters for the 8250 UART rather than 1422 selecting one of the platform specific options above if 1423 you know the parameters for the port. 1424 1425 This option is preferred over the platform specific 1426 options; the platform specific options are deprecated 1427 and will be soon removed. 1428 1429 config DEBUG_LL_UART_PL01X 1430 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1431 help 1432 Say Y here if you wish the debug print routes to direct 1433 their output to a PL01x Primecell UART. You can use 1434 this option to provide the parameters for the UART 1435 rather than selecting one of the platform specific 1436 options above if you know the parameters for the port. 1437 1438 This option is preferred over the platform specific 1439 options; the platform specific options are deprecated 1440 and will be soon removed. 1441 1442endchoice 1443 1444config DEBUG_AT91_UART 1445 bool 1446 depends on ARCH_AT91 1447 1448config DEBUG_EXYNOS_UART 1449 bool 1450 1451config DEBUG_S3C2410_UART 1452 bool 1453 select DEBUG_S3C24XX_UART 1454 1455config DEBUG_S3C24XX_UART 1456 bool 1457 1458config DEBUG_S3C64XX_UART 1459 bool 1460 1461config DEBUG_S5PV210_UART 1462 bool 1463 1464config DEBUG_S3C_UART 1465 depends on DEBUG_S3C2410_UART || DEBUG_S3C24XX_UART || \ 1466 DEBUG_S3C64XX_UART || DEBUG_S5PV210_UART || \ 1467 DEBUG_EXYNOS_UART 1468 int 1469 default "0" if DEBUG_S3C_UART0 1470 default "1" if DEBUG_S3C_UART1 1471 default "2" if DEBUG_S3C_UART2 1472 default "3" if DEBUG_S3C_UART3 1473 1474config DEBUG_OMAP2PLUS_UART 1475 bool 1476 depends on ARCH_OMAP2PLUS 1477 1478config DEBUG_IMX_UART_PORT 1479 int "i.MX Debug UART Port Selection" 1480 depends on DEBUG_IMX1_UART || \ 1481 DEBUG_IMX25_UART || \ 1482 DEBUG_IMX21_IMX27_UART || \ 1483 DEBUG_IMX31_UART || \ 1484 DEBUG_IMX35_UART || \ 1485 DEBUG_IMX50_UART || \ 1486 DEBUG_IMX51_UART || \ 1487 DEBUG_IMX53_UART || \ 1488 DEBUG_IMX6Q_UART || \ 1489 DEBUG_IMX6SL_UART || \ 1490 DEBUG_IMX6SX_UART || \ 1491 DEBUG_IMX6UL_UART || \ 1492 DEBUG_IMX7D_UART 1493 default 1 1494 help 1495 Choose UART port on which kernel low-level debug messages 1496 should be output. 1497 1498config DEBUG_VF_UART_PORT 1499 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1500 default 1 1501 range 0 3 1502 depends on SOC_VF610 1503 help 1504 Choose UART port on which kernel low-level debug messages 1505 should be output. 1506 1507config DEBUG_TEGRA_UART 1508 bool 1509 depends on ARCH_TEGRA 1510 1511config DEBUG_STM32_UART 1512 bool 1513 depends on ARCH_STM32 1514 1515config DEBUG_UART_FLOW_CONTROL 1516 bool "Enable flow control (CTS) for the debug UART" 1517 depends on DEBUG_LL 1518 default y if DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1519 help 1520 Some UART ports are connected to terminals that will use modem 1521 control signals to indicate whether they are ready to receive text. 1522 In practice this means that the terminal is asserting the special 1523 control signal CTS (Clear To Send). If your debug UART supports 1524 this and your debug terminal will require it, enable this option. 1525 1526config DEBUG_LL_INCLUDE 1527 string 1528 default "debug/sa1100.S" if DEBUG_SA1100 1529 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1530 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1531 default "debug/at91.S" if DEBUG_AT91_UART 1532 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1533 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1534 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1535 default "debug/meson.S" if DEBUG_MESON_UARTAO 1536 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1537 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1538 default "debug/icedcc.S" if DEBUG_ICEDCC 1539 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1540 DEBUG_IMX25_UART || \ 1541 DEBUG_IMX21_IMX27_UART || \ 1542 DEBUG_IMX31_UART || \ 1543 DEBUG_IMX35_UART || \ 1544 DEBUG_IMX50_UART || \ 1545 DEBUG_IMX51_UART || \ 1546 DEBUG_IMX53_UART ||\ 1547 DEBUG_IMX6Q_UART || \ 1548 DEBUG_IMX6SL_UART || \ 1549 DEBUG_IMX6SX_UART || \ 1550 DEBUG_IMX6UL_UART || \ 1551 DEBUG_IMX7D_UART 1552 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1553 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1554 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1555 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2 1556 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4 1557 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1558 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1559 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1560 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1561 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1562 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1563 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2 1564 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1565 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1566 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1567 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1568 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1569 default "debug/sti.S" if DEBUG_STIH41X_ASC2 1570 default "debug/sti.S" if DEBUG_STIH41X_SBC_ASC1 1571 default "debug/sti.S" if DEBUG_STIH418_SBC_ASC0 1572 default "debug/stm32.S" if DEBUG_STM32_UART 1573 default "debug/tegra.S" if DEBUG_TEGRA_UART 1574 default "debug/ux500.S" if DEBUG_UX500_UART 1575 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1576 default "debug/vf.S" if DEBUG_VF_UART 1577 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1578 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1579 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1580 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1581 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1582 default "mach/debug-macro.S" 1583 1584# Compatibility options for PL01x 1585config DEBUG_UART_PL01X 1586 bool 1587 1588# Compatibility options for 8250 1589config DEBUG_UART_8250 1590 def_bool ARCH_IOP32X || ARCH_IXP4XX || ARCH_RPC 1591 1592config DEBUG_UART_PHYS 1593 hex "Physical base address of debug UART" 1594 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1595 default 0x01c28000 if DEBUG_SUNXI_UART0 1596 default 0x01c28400 if DEBUG_SUNXI_UART1 1597 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1598 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1599 default 0x01f02800 if DEBUG_SUNXI_R_UART 1600 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1601 default 0x02531000 if DEBUG_KEYSTONE_UART1 1602 default 0x03010fe0 if ARCH_RPC 1603 default 0x07000000 if DEBUG_SUN9I_UART0 1604 default 0x09530000 if DEBUG_STIH418_SBC_ASC0 1605 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1606 DEBUG_VEXPRESS_UART0_CA9 1607 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1608 default 0x10124000 if DEBUG_RK3X_UART0 1609 default 0x10126000 if DEBUG_RK3X_UART1 1610 default 0x101f1000 if DEBUG_VERSATILE 1611 default 0x101fb000 if DEBUG_NOMADIK_UART 1612 default 0x10210000 if DEBUG_RV1108_UART2 1613 default 0x10220000 if DEBUG_RV1108_UART1 1614 default 0x10230000 if DEBUG_RV1108_UART0 1615 default 0x11002000 if DEBUG_MT8127_UART0 1616 default 0x11006000 if DEBUG_MT6589_UART0 1617 default 0x11009000 if DEBUG_MT8135_UART3 1618 default 0x16000000 if DEBUG_INTEGRATOR 1619 default 0x1600d000 if DEBUG_SD5203_UART 1620 default 0x18000300 if DEBUG_BCM_5301X 1621 default 0x18000400 if DEBUG_BCM_HR2 1622 default 0x18023000 if DEBUG_BCM_IPROC_UART3 1623 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1624 default 0x1f221000 if DEBUG_MSTARV7_PMUART 1625 default 0x20001000 if DEBUG_HIP01_UART 1626 default 0x20060000 if DEBUG_RK29_UART0 1627 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1628 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1629 default 0x20201000 if DEBUG_BCM2835 1630 default 0x3e000000 if DEBUG_BCM_KONA_UART 1631 default 0x3f201000 if DEBUG_BCM2836 1632 default 0x40010000 if STM32MP1_DEBUG_UART 1633 default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \ 1634 STM32H7_DEBUG_UART 1635 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1636 default 0x40081000 if DEBUG_LPC18XX_UART0 1637 default 0x40090000 if DEBUG_LPC32XX 1638 default 0x40100000 if DEBUG_PXA_UART1 1639 default 0x42000000 if DEBUG_GEMINI 1640 default 0x44e09000 if DEBUG_AM33XXUART1 1641 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1642 default 0x48022000 if DEBUG_TI81XXUART2 1643 default 0x48024000 if DEBUG_TI81XXUART3 1644 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1645 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1646 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1647 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1648 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1649 default 0x49020000 if DEBUG_OMAP3UART3 1650 default 0x49042000 if DEBUG_OMAP3UART4 1651 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1652 DEBUG_S3C2410_UART0) 1653 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1654 DEBUG_S3C2410_UART1) 1655 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1656 DEBUG_S3C2410_UART2) 1657 default 0x78000000 if DEBUG_CNS3XXX 1658 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1659 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1660 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1661 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1662 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1663 default 0x80010000 if DEBUG_ASM9260_UART 1664 default 0x80070000 if DEBUG_IMX23_UART 1665 default 0x80074000 if DEBUG_IMX28_UART 1666 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1667 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1668 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1669 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1670 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1671 default 0xd0000000 if DEBUG_SPEAR3XX 1672 default 0xd0012000 if DEBUG_MVEBU_UART0 1673 default 0xc81004c0 if DEBUG_MESON_UARTAO 1674 default 0xd4017000 if DEBUG_MMP_UART2 1675 default 0xd4018000 if DEBUG_MMP_UART3 1676 default 0xe0000000 if DEBUG_SPEAR13XX 1677 default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 1678 default 0xe4007000 if DEBUG_HIP04_UART 1679 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1680 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1681 default 0xe6c60000 if DEBUG_RCAR_GEN2_SCIFA2 1682 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1683 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1684 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1685 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1686 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1687 default 0xe8008000 if DEBUG_R7S72100_SCIF2 || DEBUG_R7S9210_SCIF2 1688 default 0xe8009000 if DEBUG_R7S9210_SCIF4 1689 default 0xf0000000 if DEBUG_DIGICOLOR_UA0 1690 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1691 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1692 default 0xf7fc9000 if DEBUG_BERLIN_UART 1693 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1694 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1695 default 0xf991e000 if DEBUG_QCOM_UARTDM 1696 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1697 default 0xfcb00000 if DEBUG_HI3620_UART 1698 default 0xfd883000 if DEBUG_ALPINE_UART0 1699 default 0xfe531000 if DEBUG_STIH41X_SBC_ASC1 1700 default 0xfe800000 if ARCH_IOP32X 1701 default 0xfed32000 if DEBUG_STIH41X_ASC2 1702 default 0xff690000 if DEBUG_RK32_UART2 1703 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1704 default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1705 default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1706 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1707 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1708 default 0xfff36000 if DEBUG_HIGHBANK_UART 1709 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1710 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1711 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1712 default 0xfffe8600 if DEBUG_BCM63XX_UART 1713 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1714 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1715 depends on ARCH_EP93XX || \ 1716 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1717 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1718 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1719 DEBUG_R7S9210_SCIF2 || DEBUG_R7S9210_SCIF4 || \ 1720 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1721 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1722 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1723 DEBUG_RCAR_GEN2_SCIFA2 || \ 1724 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1725 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1726 DEBUG_S3C64XX_UART || \ 1727 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1728 DEBUG_DIGICOLOR_UA0 || \ 1729 DEBUG_AT91_UART || DEBUG_STM32_UART || \ 1730 DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ 1731 DEBUG_STIH418_SBC_ASC0 1732 1733config DEBUG_UART_VIRT 1734 hex "Virtual base address of debug UART" 1735 default 0xc881f000 if DEBUG_RV1108_UART2 1736 default 0xc8821000 if DEBUG_RV1108_UART1 1737 default 0xc8912000 if DEBUG_RV1108_UART0 1738 default 0xe0010fe0 if ARCH_RPC 1739 default 0xe0824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 1740 default 0xf0010000 if DEBUG_ASM9260_UART 1741 default 0xf0100000 if DEBUG_DIGICOLOR_UA0 1742 default 0xf01fb000 if DEBUG_NOMADIK_UART 1743 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1744 default 0xf0221000 if DEBUG_MSTARV7_PMUART 1745 default 0xf1000300 if DEBUG_BCM_5301X 1746 default 0xf1000400 if DEBUG_BCM_HR2 1747 default 0xf1002000 if DEBUG_MT8127_UART0 1748 default 0xf1006000 if DEBUG_MT6589_UART0 1749 default 0xf1009000 if DEBUG_MT8135_UART3 1750 default 0xf1023000 if DEBUG_BCM_IPROC_UART3 1751 default 0xf11f1000 if DEBUG_VERSATILE 1752 default 0xf1600000 if DEBUG_INTEGRATOR 1753 default 0xf1c28000 if DEBUG_SUNXI_UART0 1754 default 0xf1c28400 if DEBUG_SUNXI_UART1 1755 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1756 default 0xf31004c0 if DEBUG_MESON_UARTAO 1757 default 0xf4090000 if DEBUG_LPC32XX 1758 default 0xf4200000 if DEBUG_GEMINI 1759 default 0xf6200000 if DEBUG_PXA_UART1 1760 default 0xf7000000 if DEBUG_SUN9I_UART0 1761 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1762 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1763 DEBUG_S3C2410_UART0) 1764 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1765 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1766 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1767 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1768 DEBUG_S3C2410_UART1) 1769 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1770 DEBUG_S3C2410_UART2) 1771 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1772 default 0xf7fc9000 if DEBUG_BERLIN_UART 1773 default 0xf8007000 if DEBUG_HIP04_UART 1774 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1775 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1776 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1777 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1778 default 0xf9530000 if DEBUG_STIH418_SBC_ASC0 1779 default 0xf9e09000 if DEBUG_AM33XXUART1 1780 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1781 default 0xfa022000 if DEBUG_TI81XXUART2 1782 default 0xfa024000 if DEBUG_TI81XXUART3 1783 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1784 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1785 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1786 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1787 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1788 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1789 default 0xfb002000 if DEBUG_CNS3XXX 1790 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1791 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1792 default 0xfb020000 if DEBUG_OMAP3UART3 1793 default 0xfb042000 if DEBUG_OMAP3UART4 1794 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1795 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1796 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1797 default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1 1798 default 0xfd883000 if DEBUG_ALPINE_UART0 1799 default 0xfdd32000 if DEBUG_STIH41X_ASC2 1800 default 0xfe010000 if STM32MP1_DEBUG_UART 1801 default 0xfe017000 if DEBUG_MMP_UART2 1802 default 0xfe018000 if DEBUG_MMP_UART3 1803 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1804 default 0xfe300000 if DEBUG_BCM_KONA_UART 1805 default 0xfe800000 if ARCH_IOP32X 1806 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1807 default 0xfeb24000 if DEBUG_RK3X_UART0 1808 default 0xfeb26000 if DEBUG_RK3X_UART1 1809 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1810 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1811 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1812 default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1813 default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1814 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE 1815 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1816 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1817 default 0xfec90000 if DEBUG_RK32_UART2 1818 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1819 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_SD5203_UART 1820 default 0xfed60000 if DEBUG_RK29_UART0 1821 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1822 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1823 default 0xfedc0000 if DEBUG_EP93XX 1824 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1825 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1826 default 0xfec00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1827 default 0xfec00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1828 default 0xfef36000 if DEBUG_HIGHBANK_UART 1829 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1830 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1831 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1832 default 0xffd01000 if DEBUG_HIP01_UART 1833 default DEBUG_UART_PHYS if !MMU 1834 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1835 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1836 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1837 DEBUG_S3C64XX_UART || \ 1838 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1839 DEBUG_DIGICOLOR_UA0 || \ 1840 DEBUG_AT91_UART || DEBUG_STM32_UART || \ 1841 DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ 1842 DEBUG_STIH418_SBC_ASC0 1843 1844config DEBUG_UART_8250_SHIFT 1845 int "Register offset shift for the 8250 debug UART" 1846 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1847 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1848 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1849 DEBUG_OMAP7XXUART3 1850 default 3 if DEBUG_MSTARV7_PMUART 1851 default 2 1852 1853config DEBUG_UART_8250_WORD 1854 bool "Use 32-bit accesses for 8250 UART" 1855 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1856 depends on DEBUG_UART_8250_SHIFT >= 2 1857 default y if DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ 1858 DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ 1859 DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ 1860 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1861 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \ 1862 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1863 1864config DEBUG_UART_8250_PALMCHIP 1865 bool "8250 UART is Palmchip BK-310x" 1866 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1867 help 1868 Palmchip provides a UART implementation compatible with 16550 1869 except for having a different register layout. Say Y here if 1870 the debug UART is of this type. 1871 1872config DEBUG_UNCOMPRESS 1873 bool "Enable decompressor debugging via DEBUG_LL output" 1874 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1875 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1876 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1877 !DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING 1878 help 1879 This option influences the normal decompressor output for 1880 multiplatform kernels. Normally, multiplatform kernels disable 1881 decompressor output because it is not possible to know where to 1882 send the decompressor output. 1883 1884 When this option is set, the selected DEBUG_LL output method 1885 will be re-used for normal decompressor output on multiplatform 1886 kernels. 1887 1888 1889config UNCOMPRESS_INCLUDE 1890 string 1891 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1892 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1893 default "mach/uncompress.h" 1894 1895config EARLY_PRINTK 1896 bool "Early printk" 1897 depends on DEBUG_LL 1898 help 1899 Say Y here if you want to have an early console using the 1900 kernel low-level debugging functions. Add earlyprintk to your 1901 kernel parameters to enable this console. 1902 1903config ARM_KPROBES_TEST 1904 tristate "Kprobes test module" 1905 depends on KPROBES && MODULES 1906 help 1907 Perform tests of kprobes API and instruction set simulation. 1908 1909config PID_IN_CONTEXTIDR 1910 bool "Write the current PID to the CONTEXTIDR register" 1911 depends on CPU_COPY_V6 1912 help 1913 Enabling this option causes the kernel to write the current PID to 1914 the PROCID field of the CONTEXTIDR register, at the expense of some 1915 additional instructions during context switch. Say Y here only if you 1916 are planning to use hardware trace tools with this kernel. 1917 1918source "drivers/hwtracing/coresight/Kconfig" 1919