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 && !CC_IS_CLANG 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 DBGU" 151 select DEBUG_AT91_UART 152 depends on SOC_AT91RM9200 || SOC_AT91SAM9 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 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_BCM2835 195 bool "Kernel low-level debugging on BCM2835 PL011 UART" 196 depends on ARCH_BCM2835 && ARCH_MULTI_V6 197 select DEBUG_UART_PL01X 198 199 config DEBUG_BCM2836 200 bool "Kernel low-level debugging on BCM2836 PL011 UART" 201 depends on ARCH_BCM2835 && ARCH_MULTI_V7 202 select DEBUG_UART_PL01X 203 204 config DEBUG_BCM_5301X 205 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 206 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 207 select DEBUG_UART_8250 208 209 config DEBUG_BCM_HR2 210 bool "Kernel low-level debugging on Hurricane 2 UART2" 211 depends on ARCH_BCM_HR2 212 select DEBUG_UART_8250 213 214 config DEBUG_BCM_IPROC_UART3 215 bool "Kernel low-level debugging on BCM IPROC UART3" 216 depends on ARCH_BCM_CYGNUS 217 select DEBUG_UART_8250 218 help 219 Say Y here if you want the debug print routines to direct 220 their output to the third serial port on these devices. 221 222 config DEBUG_BCM_KONA_UART 223 bool "Kernel low-level debugging messages via BCM KONA UART" 224 depends on ARCH_BCM_MOBILE 225 select DEBUG_UART_8250 226 help 227 Say Y here if you want kernel low-level debugging support 228 on Broadcom SoC platforms. 229 This low level debug works for Broadcom 230 mobile SoCs in the Kona family of chips (e.g. bcm28155, 231 bcm11351, etc...) 232 233 config DEBUG_BCM63XX_UART 234 bool "Kernel low-level debugging on BCM63XX UART" 235 depends on ARCH_BCM_63XX 236 237 config DEBUG_BERLIN_UART 238 bool "Marvell Berlin SoC Debug UART" 239 depends on ARCH_BERLIN 240 select DEBUG_UART_8250 241 help 242 Say Y here if you want kernel low-level debugging support 243 on Marvell Berlin SoC based platforms. 244 245 config DEBUG_BRCMSTB_UART 246 bool "Use BRCMSTB UART for low-level debug" 247 depends on ARCH_BRCMSTB 248 help 249 Say Y here if you want the debug print routines to direct 250 their output to the first serial port on these devices. The 251 UART physical and virtual address is automatically provided 252 based on the chip identification register value. 253 254 If you have a Broadcom STB chip and would like early print 255 messages to appear over the UART, select this option. 256 257 config DEBUG_CLPS711X_UART1 258 bool "Kernel low-level debugging messages via UART1" 259 depends on ARCH_CLPS711X 260 help 261 Say Y here if you want the debug print routines to direct 262 their output to the first serial port on these devices. 263 264 config DEBUG_CLPS711X_UART2 265 bool "Kernel low-level debugging messages via UART2" 266 depends on ARCH_CLPS711X 267 help 268 Say Y here if you want the debug print routines to direct 269 their output to the second serial port on these devices. 270 271 config DEBUG_CNS3XXX 272 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 273 depends on ARCH_CNS3XXX 274 select DEBUG_UART_8250 275 help 276 Say Y here if you want the debug print routines to direct 277 their output to the CNS3xxx UART0. 278 279 config DEBUG_DAVINCI_DA8XX_UART1 280 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 281 depends on ARCH_DAVINCI_DA8XX 282 select DEBUG_UART_8250 283 help 284 Say Y here if you want the debug print routines to direct 285 their output to UART1 serial port on DaVinci DA8XX devices. 286 287 config DEBUG_DAVINCI_DA8XX_UART2 288 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 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 UART2 serial port on DaVinci DA8XX devices. 294 295 config DEBUG_DAVINCI_DMx_UART0 296 bool "Kernel low-level debugging on DaVinci DMx using UART0" 297 depends on ARCH_DAVINCI_DMx 298 select DEBUG_UART_8250 299 help 300 Say Y here if you want the debug print routines to direct 301 their output to UART0 serial port on DaVinci DMx devices. 302 303 config DEBUG_DC21285_PORT 304 bool "Kernel low-level debugging messages via footbridge serial port" 305 depends on FOOTBRIDGE 306 help 307 Say Y here if you want the debug print routines to direct 308 their output to the serial port in the DC21285 (Footbridge). 309 310 config DEBUG_DIGICOLOR_UA0 311 bool "Kernel low-level debugging messages via Digicolor UA0" 312 depends on ARCH_DIGICOLOR 313 help 314 Say Y here if you want the debug print routines to direct 315 their output to the UA0 serial port in the CX92755. 316 317 config DEBUG_EP93XX 318 bool "Kernel low-level debugging messages via ep93xx UART" 319 depends on ARCH_EP93XX 320 select DEBUG_UART_PL01X 321 help 322 Say Y here if you want kernel low-level debugging support 323 on Cirrus Logic EP93xx based platforms. 324 325 config DEBUG_FOOTBRIDGE_COM1 326 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 327 depends on FOOTBRIDGE 328 select DEBUG_UART_8250 329 help 330 Say Y here if you want the debug print routines to direct 331 their output to the 8250 at PCI COM1. 332 333 config DEBUG_GEMINI 334 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 335 depends on ARCH_GEMINI 336 select DEBUG_UART_8250 337 help 338 Say Y here if you want kernel low-level debugging support 339 on Cortina Gemini based platforms. 340 341 config DEBUG_HI3620_UART 342 bool "Hisilicon HI3620 Debug UART" 343 depends on ARCH_HI3xxx 344 select DEBUG_UART_PL01X 345 help 346 Say Y here if you want kernel low-level debugging support 347 on HI3620 UART. 348 349 config DEBUG_HIGHBANK_UART 350 bool "Kernel low-level debugging messages via Highbank UART" 351 depends on ARCH_HIGHBANK 352 select DEBUG_UART_PL01X 353 help 354 Say Y here if you want the debug print routines to direct 355 their output to the UART on Highbank based devices. 356 357 config DEBUG_HIP01_UART 358 bool "Hisilicon Hip01 Debug UART" 359 depends on ARCH_HIP01 360 select DEBUG_UART_8250 361 help 362 Say Y here if you want kernel low-level debugging support 363 on HIP01 UART. 364 365 config DEBUG_HIP04_UART 366 bool "Hisilicon HiP04 Debug UART" 367 depends on ARCH_HIP04 368 select DEBUG_UART_8250 369 help 370 Say Y here if you want kernel low-level debugging support 371 on HIP04 UART. 372 373 config DEBUG_HIX5HD2_UART 374 bool "Hisilicon Hix5hd2 Debug UART" 375 depends on ARCH_HIX5HD2 376 select DEBUG_UART_PL01X 377 help 378 Say Y here if you want kernel low-level debugging support 379 on Hix5hd2 UART. 380 381 config DEBUG_IMX1_UART 382 bool "i.MX1 Debug UART" 383 depends on SOC_IMX1 384 help 385 Say Y here if you want kernel low-level debugging support 386 on i.MX1. 387 388 config DEBUG_IMX23_UART 389 bool "i.MX23 Debug UART" 390 depends on SOC_IMX23 391 select DEBUG_UART_PL01X 392 help 393 Say Y here if you want kernel low-level debugging support 394 on i.MX23. 395 396 config DEBUG_IMX25_UART 397 bool "i.MX25 Debug UART" 398 depends on SOC_IMX25 399 help 400 Say Y here if you want kernel low-level debugging support 401 on i.MX25. 402 403 config DEBUG_IMX21_IMX27_UART 404 bool "i.MX21 and i.MX27 Debug UART" 405 depends on SOC_IMX21 || SOC_IMX27 406 help 407 Say Y here if you want kernel low-level debugging support 408 on i.MX21 or i.MX27. 409 410 config DEBUG_IMX28_UART 411 bool "i.MX28 Debug UART" 412 depends on SOC_IMX28 413 select DEBUG_UART_PL01X 414 help 415 Say Y here if you want kernel low-level debugging support 416 on i.MX28. 417 418 config DEBUG_IMX31_UART 419 bool "i.MX31 Debug UART" 420 depends on SOC_IMX31 421 help 422 Say Y here if you want kernel low-level debugging support 423 on i.MX31. 424 425 config DEBUG_IMX35_UART 426 bool "i.MX35 Debug UART" 427 depends on SOC_IMX35 428 help 429 Say Y here if you want kernel low-level debugging support 430 on i.MX35. 431 432 config DEBUG_IMX50_UART 433 bool "i.MX50 Debug UART" 434 depends on SOC_IMX50 435 help 436 Say Y here if you want kernel low-level debugging support 437 on i.MX50. 438 439 config DEBUG_IMX51_UART 440 bool "i.MX51 Debug UART" 441 depends on SOC_IMX51 442 help 443 Say Y here if you want kernel low-level debugging support 444 on i.MX51. 445 446 config DEBUG_IMX53_UART 447 bool "i.MX53 Debug UART" 448 depends on SOC_IMX53 449 help 450 Say Y here if you want kernel low-level debugging support 451 on i.MX53. 452 453 config DEBUG_IMX6Q_UART 454 bool "i.MX6Q/DL Debug UART" 455 depends on SOC_IMX6Q 456 help 457 Say Y here if you want kernel low-level debugging support 458 on i.MX6Q/DL. 459 460 config DEBUG_IMX6SL_UART 461 bool "i.MX6SL Debug UART" 462 depends on SOC_IMX6SL 463 help 464 Say Y here if you want kernel low-level debugging support 465 on i.MX6SL. 466 467 config DEBUG_IMX6SX_UART 468 bool "i.MX6SX Debug UART" 469 depends on SOC_IMX6SX 470 help 471 Say Y here if you want kernel low-level debugging support 472 on i.MX6SX. 473 474 config DEBUG_IMX6UL_UART 475 bool "i.MX6UL Debug UART" 476 depends on SOC_IMX6UL 477 help 478 Say Y here if you want kernel low-level debugging support 479 on i.MX6UL. 480 481 config DEBUG_IMX7D_UART 482 bool "i.MX7D Debug UART" 483 depends on SOC_IMX7D 484 help 485 Say Y here if you want kernel low-level debugging support 486 on i.MX7D. 487 488 config DEBUG_INTEGRATOR 489 bool "Kernel low-level debugging messages via ARM Integrator UART" 490 depends on ARCH_INTEGRATOR 491 select DEBUG_UART_PL01X 492 help 493 Say Y here if you want kernel low-level debugging support 494 on ARM Integrator platforms. 495 496 config DEBUG_KEYSTONE_UART0 497 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 498 depends on ARCH_KEYSTONE 499 select DEBUG_UART_8250 500 help 501 Say Y here if you want the debug print routines to direct 502 their output to UART0 serial port on KEYSTONE2 devices. 503 504 config DEBUG_KEYSTONE_UART1 505 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 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 UART1 serial port on KEYSTONE2 devices. 511 512 config DEBUG_KS8695_UART 513 bool "KS8695 Debug UART" 514 depends on ARCH_KS8695 515 help 516 Say Y here if you want kernel low-level debugging support 517 on KS8695. 518 519 config DEBUG_LPC18XX_UART0 520 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 521 depends on ARCH_LPC18XX 522 select DEBUG_UART_8250 523 help 524 Say Y here if you want kernel low-level debugging support 525 on NXP LPC18xx/43xx UART0. 526 527 config DEBUG_LPC32XX 528 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 529 depends on ARCH_LPC32XX 530 select DEBUG_UART_8250 531 help 532 Say Y here if you want kernel low-level debugging support 533 on NXP LPC32xx based platforms. 534 535 config DEBUG_MESON_UARTAO 536 bool "Kernel low-level debugging via Meson6 UARTAO" 537 depends on ARCH_MESON 538 help 539 Say Y here if you want kernel low-lever debugging support 540 on Amlogic Meson6 based platforms on the UARTAO. 541 542 config DEBUG_MMP_UART2 543 bool "Kernel low-level debugging message via MMP UART2" 544 depends on ARCH_MMP 545 select DEBUG_UART_8250 546 help 547 Say Y here if you want kernel low-level debugging support 548 on MMP UART2. 549 550 config DEBUG_MMP_UART3 551 bool "Kernel low-level debugging message via MMP UART3" 552 depends on ARCH_MMP 553 select DEBUG_UART_8250 554 help 555 Say Y here if you want kernel low-level debugging support 556 on MMP UART3. 557 558 config DEBUG_MVEBU_UART0 559 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 560 depends on ARCH_MVEBU 561 depends on ARCH_MVEBU && CPU_V7 562 select DEBUG_UART_8250 563 help 564 Say Y here if you want kernel low-level debugging support 565 on MVEBU based platforms on UART0. 566 567 This option should be used with the old bootloaders 568 that left the internal registers mapped at 569 0xd0000000. As of today, this is the case on 570 platforms such as the Globalscale Mirabox or the 571 Plathome OpenBlocks AX3, when using the original 572 bootloader. 573 574 This option will not work on older Marvell platforms 575 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 576 the "new bootloader" variant. 577 578 If the wrong DEBUG_MVEBU_UART* option is selected, 579 when u-boot hands over to the kernel, the system 580 silently crashes, with no serial output at all. 581 582 config DEBUG_MVEBU_UART0_ALTERNATE 583 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 584 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 585 select DEBUG_UART_8250 586 help 587 Say Y here if you want kernel low-level debugging support 588 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 589 Kirkwood, Dove, MV78xx0, Orion5x). 590 591 592 This option should be used with the new bootloaders 593 that remap the internal registers at 0xf1000000. 594 595 If the wrong DEBUG_MVEBU_UART* option is selected, 596 when u-boot hands over to the kernel, the system 597 silently crashes, with no serial output at all. 598 599 config DEBUG_MVEBU_UART1_ALTERNATE 600 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 601 depends on ARCH_MVEBU 602 select DEBUG_UART_8250 603 help 604 Say Y here if you want kernel low-level debugging support 605 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 606 Kirkwood, Dove, MV78xx0, Orion5x). 607 608 This option should be used with the new bootloaders 609 that remap the internal registers at 0xf1000000. 610 All of the older (pre Armada XP/370) platforms also use 611 this address, regardless of the boot loader version. 612 613 If the wrong DEBUG_MVEBU_UART* option is selected, 614 when u-boot hands over to the kernel, the system 615 silently crashes, with no serial output at all. 616 617 config DEBUG_MT6589_UART0 618 bool "Mediatek mt6589 UART0" 619 depends on ARCH_MEDIATEK 620 select DEBUG_UART_8250 621 help 622 Say Y here if you want kernel low-level debugging support 623 for Mediatek mt6589 based platforms on UART0. 624 625 config DEBUG_MT8127_UART0 626 bool "Mediatek mt8127/mt6592 UART0" 627 depends on ARCH_MEDIATEK 628 select DEBUG_UART_8250 629 help 630 Say Y here if you want kernel low-level debugging support 631 for Mediatek mt8127 based platforms on UART0. 632 633 config DEBUG_MT8135_UART3 634 bool "Mediatek mt8135 UART3" 635 depends on ARCH_MEDIATEK 636 select DEBUG_UART_8250 637 help 638 Say Y here if you want kernel low-level debugging support 639 for Mediatek mt8135 based platforms on UART3. 640 641 config DEBUG_NOMADIK_UART 642 bool "Kernel low-level debugging messages via NOMADIK UART" 643 depends on ARCH_NOMADIK 644 select DEBUG_UART_PL01X 645 help 646 Say Y here if you want kernel low-level debugging support 647 on NOMADIK based platforms. 648 649 config DEBUG_NSPIRE_CLASSIC_UART 650 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 651 depends on ARCH_NSPIRE 652 select DEBUG_UART_8250 653 help 654 Say Y here if you want kernel low-level debugging support 655 on TI-NSPIRE classic models. 656 657 config DEBUG_NSPIRE_CX_UART 658 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 659 depends on ARCH_NSPIRE 660 select DEBUG_UART_PL01X 661 help 662 Say Y here if you want kernel low-level debugging support 663 on TI-NSPIRE CX models. 664 665 config DEBUG_OMAP1UART1 666 bool "Kernel low-level debugging via OMAP1 UART1" 667 depends on ARCH_OMAP1 668 select DEBUG_UART_8250 669 help 670 Say Y here if you want kernel low-level debugging support 671 on OMAP1 based platforms (except OMAP730) on the UART1. 672 673 config DEBUG_OMAP1UART2 674 bool "Kernel low-level debugging via OMAP1 UART2" 675 depends on ARCH_OMAP1 676 select DEBUG_UART_8250 677 help 678 Say Y here if you want kernel low-level debugging support 679 on OMAP1 based platforms (except OMAP730) on the UART2. 680 681 config DEBUG_OMAP1UART3 682 bool "Kernel low-level debugging via OMAP1 UART3" 683 depends on ARCH_OMAP1 684 select DEBUG_UART_8250 685 help 686 Say Y here if you want kernel low-level debugging support 687 on OMAP1 based platforms (except OMAP730) on the UART3. 688 689 config DEBUG_OMAP2UART1 690 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 691 depends on ARCH_OMAP2PLUS 692 select DEBUG_UART_8250 693 help 694 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 695 omap3 torpedo and 3530 lv som. 696 697 config DEBUG_OMAP2UART2 698 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 699 depends on ARCH_OMAP2PLUS 700 select DEBUG_UART_8250 701 702 config DEBUG_OMAP2UART3 703 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 704 depends on ARCH_OMAP2PLUS 705 select DEBUG_UART_8250 706 707 config DEBUG_OMAP3UART3 708 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 709 depends on ARCH_OMAP2PLUS 710 select DEBUG_UART_8250 711 help 712 This covers at least cm_t3x, beagle, crane, devkit8000, 713 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 714 and 3517evm. 715 716 config DEBUG_OMAP4UART3 717 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 718 depends on ARCH_OMAP2PLUS 719 select DEBUG_UART_8250 720 721 config DEBUG_OMAP3UART4 722 bool "Kernel low-level debugging messages via OMAP36XX UART4" 723 depends on ARCH_OMAP2PLUS 724 select DEBUG_UART_8250 725 726 config DEBUG_OMAP4UART4 727 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 728 depends on ARCH_OMAP2PLUS 729 select DEBUG_UART_8250 730 731 config DEBUG_OMAP7XXUART1 732 bool "Kernel low-level debugging via OMAP730 UART1" 733 depends on ARCH_OMAP730 734 select DEBUG_UART_8250 735 help 736 Say Y here if you want kernel low-level debugging support 737 on OMAP730 based platforms on the UART1. 738 739 config DEBUG_OMAP7XXUART2 740 bool "Kernel low-level debugging via OMAP730 UART2" 741 depends on ARCH_OMAP730 742 select DEBUG_UART_8250 743 help 744 Say Y here if you want kernel low-level debugging support 745 on OMAP730 based platforms on the UART2. 746 747 config DEBUG_OMAP7XXUART3 748 bool "Kernel low-level debugging via OMAP730 UART3" 749 depends on ARCH_OMAP730 750 select DEBUG_UART_8250 751 help 752 Say Y here if you want kernel low-level debugging support 753 on OMAP730 based platforms on the UART3. 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_PICOXCELL_UART 781 depends on ARCH_PICOXCELL 782 bool "Use PicoXcell UART 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 PicoXcell based platforms. 787 788 config DEBUG_PXA_UART1 789 depends on ARCH_PXA 790 bool "Use PXA UART1 for low-level debug" 791 select DEBUG_UART_8250 792 help 793 Say Y here if you want kernel low-level debugging support 794 on PXA UART1. 795 796 config DEBUG_QCOM_UARTDM 797 bool "Kernel low-level debugging messages via QCOM UARTDM" 798 depends on ARCH_QCOM 799 help 800 Say Y here if you want the debug print routines to direct 801 their output to the serial port on Qualcomm devices. 802 803 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 804 APQ8064 0x16640000 0xf0040000 805 APQ8084 0xf995e000 0xfa75e000 806 IPQ4019 0x078af000 0xf78af000 807 MSM8X60 0x19c40000 0xf0040000 808 MSM8960 0x16440000 0xf0040000 809 MSM8974 0xf991e000 0xfa71e000 810 811 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 812 options based on your needs. 813 814 config DEBUG_REALVIEW_STD_PORT 815 bool "RealView Default UART" 816 depends on ARCH_REALVIEW 817 select DEBUG_UART_PL01X 818 help 819 Say Y here if you want the debug print routines to direct 820 their output to the serial port on RealView EB, PB11MP, PBA8 821 and PBX platforms. 822 823 config DEBUG_REALVIEW_PB1176_PORT 824 bool "RealView PB1176 UART" 825 depends on MACH_REALVIEW_PB1176 826 select DEBUG_UART_PL01X 827 help 828 Say Y here if you want the debug print routines to direct 829 their output to the standard serial port on the RealView 830 PB1176 platform. 831 832 config DEBUG_RV1108_UART0 833 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 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_UART1 841 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 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_RV1108_UART2 849 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 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 RV1108 based platforms. 855 856 config DEBUG_RK29_UART0 857 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 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_UART1 865 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 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_RK29_UART2 873 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 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_UART0 881 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 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_UART1 889 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 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_UART2 897 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 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_RK3X_UART3 905 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 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 based platforms. 911 912 config DEBUG_RK32_UART2 913 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 914 depends on ARCH_ROCKCHIP 915 select DEBUG_UART_8250 916 help 917 Say Y here if you want kernel low-level debugging support 918 on Rockchip RK32xx based platforms. 919 920 config DEBUG_R7S72100_SCIF2 921 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 922 depends on ARCH_R7S72100 923 help 924 Say Y here if you want kernel low-level debugging support 925 via SCIF2 on Renesas RZ/A1H (R7S72100). 926 927 config DEBUG_RCAR_GEN1_SCIF0 928 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 929 depends on ARCH_R8A7778 930 help 931 Say Y here if you want kernel low-level debugging support 932 via SCIF0 on Renesas R-Car M1A (R8A7778). 933 934 config DEBUG_RCAR_GEN1_SCIF2 935 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 936 depends on ARCH_R8A7779 937 help 938 Say Y here if you want kernel low-level debugging support 939 via SCIF2 on Renesas R-Car H1 (R8A7779). 940 941 config DEBUG_RCAR_GEN2_SCIF0 942 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 943 depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ 944 ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 945 help 946 Say Y here if you want kernel low-level debugging support 947 via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), 948 R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or 949 M2-N (R8A7793). 950 951 config DEBUG_RCAR_GEN2_SCIF1 952 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 953 depends on ARCH_R8A77470 954 help 955 Say Y here if you want kernel low-level debugging support 956 via SCIF1 on Renesas RZ/G1C (R8A77470). 957 958 config DEBUG_RCAR_GEN2_SCIF2 959 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 960 depends on ARCH_R8A7794 961 help 962 Say Y here if you want kernel low-level debugging support 963 via SCIF2 on Renesas R-Car E2 (R8A7794). 964 965 config DEBUG_RCAR_GEN2_SCIF4 966 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 967 depends on ARCH_R8A7745 968 help 969 Say Y here if you want kernel low-level debugging support 970 via SCIF4 on Renesas RZ/G1E (R8A7745). 971 972 config DEBUG_RMOBILE_SCIFA0 973 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 974 depends on ARCH_R8A73A4 975 help 976 Say Y here if you want kernel low-level debugging support 977 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 978 979 config DEBUG_RMOBILE_SCIFA1 980 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 981 depends on ARCH_R8A7740 982 help 983 Say Y here if you want kernel low-level debugging support 984 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 985 986 config DEBUG_RMOBILE_SCIFA4 987 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 988 depends on ARCH_SH73A0 989 help 990 Say Y here if you want kernel low-level debugging support 991 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 992 993 config DEBUG_S3C_UART0 994 depends on PLAT_SAMSUNG 995 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 996 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 997 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 998 select DEBUG_S5PV210_UART if ARCH_S5PV210 999 bool "Use Samsung S3C UART 0 for low-level debug" 1000 help 1001 Say Y here if you want the debug print routines to direct 1002 their output to UART 0. The port must have been initialised 1003 by the boot-loader before use. 1004 1005 config DEBUG_S3C_UART1 1006 depends on PLAT_SAMSUNG 1007 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1008 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1009 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1010 select DEBUG_S5PV210_UART if ARCH_S5PV210 1011 bool "Use Samsung S3C UART 1 for low-level debug" 1012 help 1013 Say Y here if you want the debug print routines to direct 1014 their output to UART 1. The port must have been initialised 1015 by the boot-loader before use. 1016 1017 config DEBUG_S3C_UART2 1018 depends on PLAT_SAMSUNG 1019 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1020 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1021 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1022 select DEBUG_S5PV210_UART if ARCH_S5PV210 1023 bool "Use Samsung S3C UART 2 for low-level debug" 1024 help 1025 Say Y here if you want the debug print routines to direct 1026 their output to UART 2. The port must have been initialised 1027 by the boot-loader before use. 1028 1029 config DEBUG_S3C_UART3 1030 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 1031 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1032 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1033 select DEBUG_S5PV210_UART if ARCH_S5PV210 1034 bool "Use Samsung S3C UART 3 for low-level debug" 1035 help 1036 Say Y here if you want the debug print routines to direct 1037 their output to UART 3. The port must have been initialised 1038 by the boot-loader before use. 1039 1040 config DEBUG_S3C2410_UART0 1041 depends on ARCH_S3C24XX 1042 select DEBUG_S3C2410_UART 1043 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1044 help 1045 Say Y here if you want the debug print routines to direct 1046 their output to UART 0. The port must have been initialised 1047 by the boot-loader before use. 1048 1049 config DEBUG_S3C2410_UART1 1050 depends on ARCH_S3C24XX 1051 select DEBUG_S3C2410_UART 1052 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1053 help 1054 Say Y here if you want the debug print routines to direct 1055 their output to UART 1. The port must have been initialised 1056 by the boot-loader before use. 1057 1058 config DEBUG_S3C2410_UART2 1059 depends on ARCH_S3C24XX 1060 select DEBUG_S3C2410_UART 1061 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1062 help 1063 Say Y here if you want the debug print routines to direct 1064 their output to UART 2. The port must have been initialised 1065 by the boot-loader before use. 1066 1067 config DEBUG_SA1100 1068 depends on ARCH_SA1100 1069 bool "Use SA1100 UARTs for low-level debug" 1070 help 1071 Say Y here if you want kernel low-level debugging support 1072 on SA-11x0 UART ports. The kernel will check for the first 1073 enabled UART in a sequence 3-1-2. 1074 1075 config DEBUG_SOCFPGA_UART0 1076 depends on ARCH_SOCFPGA 1077 bool "Use SOCFPGA UART0 for low-level debug" 1078 select DEBUG_UART_8250 1079 help 1080 Say Y here if you want kernel low-level debugging support 1081 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1082 1083 config DEBUG_SOCFPGA_ARRIA10_UART1 1084 depends on ARCH_SOCFPGA 1085 bool "Use SOCFPGA Arria10 UART1 for low-level debug" 1086 select DEBUG_UART_8250 1087 help 1088 Say Y here if you want kernel low-level debugging support 1089 on SOCFPGA(Arria 10) based platforms. 1090 1091 config DEBUG_SOCFPGA_CYCLONE5_UART1 1092 depends on ARCH_SOCFPGA 1093 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" 1094 select DEBUG_UART_8250 1095 help 1096 Say Y here if you want kernel low-level debugging support 1097 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1098 1099 config DEBUG_SUN9I_UART0 1100 bool "Kernel low-level debugging messages via sun9i UART0" 1101 depends on MACH_SUN9I 1102 select DEBUG_UART_8250 1103 help 1104 Say Y here if you want kernel low-level debugging support 1105 on Allwinner A80 based platforms on the UART0. 1106 1107 config DEBUG_SUNXI_UART0 1108 bool "Kernel low-level debugging messages via sunXi UART0" 1109 depends on ARCH_SUNXI 1110 select DEBUG_UART_8250 1111 help 1112 Say Y here if you want kernel low-level debugging support 1113 on Allwinner A1X based platforms on the UART0. 1114 1115 config DEBUG_SUNXI_UART1 1116 bool "Kernel low-level debugging messages via sunXi UART1" 1117 depends on ARCH_SUNXI 1118 select DEBUG_UART_8250 1119 help 1120 Say Y here if you want kernel low-level debugging support 1121 on Allwinner A1X based platforms on the UART1. 1122 1123 config DEBUG_SUNXI_R_UART 1124 bool "Kernel low-level debugging messages via sunXi R_UART" 1125 depends on MACH_SUN6I || MACH_SUN8I 1126 select DEBUG_UART_8250 1127 help 1128 Say Y here if you want kernel low-level debugging support 1129 on Allwinner A31/A23 based platforms on the R_UART. 1130 1131 config DEBUG_SIRFPRIMA2_UART1 1132 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1133 depends on ARCH_PRIMA2 1134 select DEBUG_SIRFSOC_UART 1135 help 1136 Say Y here if you want the debug print routines to direct 1137 their output to the uart1 port on SiRFprimaII devices. 1138 1139 config DEBUG_SIRFATLAS7_UART0 1140 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1141 depends on ARCH_ATLAS7 1142 select DEBUG_SIRFSOC_UART 1143 help 1144 Say Y here if you want the debug print routines to direct 1145 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1146 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1147 debug port can be very useful. 1148 1149 config DEBUG_SIRFATLAS7_UART1 1150 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1151 depends on ARCH_ATLAS7 1152 select DEBUG_SIRFSOC_UART 1153 help 1154 Say Y here if you want the debug print routines to direct 1155 their output to the uart1 port on SiRFATLAS7 devices. 1156 1157 config DEBUG_SPEAR3XX 1158 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1159 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1160 select DEBUG_UART_PL01X 1161 help 1162 Say Y here if you want kernel low-level debugging support 1163 on ST SPEAr based platforms. 1164 1165 config DEBUG_SPEAR13XX 1166 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1167 depends on ARCH_SPEAR13XX 1168 select DEBUG_UART_PL01X 1169 help 1170 Say Y here if you want kernel low-level debugging support 1171 on ST SPEAr13xx based platforms. 1172 1173 config STIH41X_DEBUG_ASC2 1174 bool "Use StiH415/416 ASC2 UART for low-level debug" 1175 depends on ARCH_STI 1176 select DEBUG_STI_UART 1177 help 1178 Say Y here if you want kernel low-level debugging support 1179 on STiH415/416 based platforms like b2000, which has 1180 default UART wired up to ASC2. 1181 1182 If unsure, say N. 1183 1184 config STIH41X_DEBUG_SBC_ASC1 1185 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1186 depends on ARCH_STI 1187 select DEBUG_STI_UART 1188 help 1189 Say Y here if you want kernel low-level debugging support 1190 on STiH415/416 based platforms like b2020. which has 1191 default UART wired up to SBC ASC1. 1192 1193 If unsure, say N. 1194 1195 config STM32F4_DEBUG_UART 1196 bool "Use STM32F4 UART for low-level debug" 1197 depends on ARCH_STM32 1198 select DEBUG_STM32_UART 1199 help 1200 Say Y here if you want kernel low-level debugging support 1201 on STM32F4 based platforms, which default UART is wired on 1202 USART1. 1203 1204 If unsure, say N. 1205 1206 config STM32F7_DEBUG_UART 1207 bool "Use STM32F7 UART for low-level debug" 1208 depends on ARCH_STM32 1209 select DEBUG_STM32_UART 1210 help 1211 Say Y here if you want kernel low-level debugging support 1212 on STM32F7 based platforms, which default UART is wired on 1213 USART1. 1214 1215 If unsure, say N. 1216 1217 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1218 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1219 depends on ARCH_TEGRA 1220 select DEBUG_TEGRA_UART 1221 help 1222 Automatically determines which UART to use for low-level 1223 debug based on the ODMDATA value. This value is part of 1224 the BCT, and is written to the boot memory device using 1225 nvflash, or other flashing tool. When bits 19:18 are 3, 1226 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1227 are UART A/B/C/D/E. 1228 1229 config TEGRA_DEBUG_UARTA 1230 bool "Kernel low-level debugging messages via Tegra UART A" 1231 depends on ARCH_TEGRA 1232 select DEBUG_TEGRA_UART 1233 help 1234 Say Y here if you want kernel low-level debugging support 1235 on Tegra based platforms. 1236 1237 config TEGRA_DEBUG_UARTB 1238 bool "Kernel low-level debugging messages via Tegra UART B" 1239 depends on ARCH_TEGRA 1240 select DEBUG_TEGRA_UART 1241 help 1242 Say Y here if you want kernel low-level debugging support 1243 on Tegra based platforms. 1244 1245 config TEGRA_DEBUG_UARTC 1246 bool "Kernel low-level debugging messages via Tegra UART C" 1247 depends on ARCH_TEGRA 1248 select DEBUG_TEGRA_UART 1249 help 1250 Say Y here if you want kernel low-level debugging support 1251 on Tegra based platforms. 1252 1253 config TEGRA_DEBUG_UARTD 1254 bool "Kernel low-level debugging messages via Tegra UART D" 1255 depends on ARCH_TEGRA 1256 select DEBUG_TEGRA_UART 1257 help 1258 Say Y here if you want kernel low-level debugging support 1259 on Tegra based platforms. 1260 1261 config TEGRA_DEBUG_UARTE 1262 bool "Kernel low-level debugging messages via Tegra UART E" 1263 depends on ARCH_TEGRA 1264 select DEBUG_TEGRA_UART 1265 help 1266 Say Y here if you want kernel low-level debugging support 1267 on Tegra based platforms. 1268 1269 config DEBUG_U300_UART 1270 bool "Kernel low-level debugging messages via U300 UART0" 1271 depends on ARCH_U300 1272 select DEBUG_UART_PL01X 1273 help 1274 Say Y here if you want the debug print routines to direct 1275 their output to the uart port on U300 devices. 1276 1277 config DEBUG_UX500_UART 1278 depends on ARCH_U8500 1279 bool "Use Ux500 UART for low-level debug" 1280 help 1281 Say Y here if you want kernel low-level debugging support 1282 on Ux500 based platforms. 1283 1284 config DEBUG_VERSATILE 1285 bool "Kernel low-level debugging messages via ARM Versatile UART" 1286 depends on ARCH_VERSATILE 1287 select DEBUG_UART_PL01X 1288 help 1289 Say Y here if you want kernel low-level debugging support 1290 on ARM Versatile platforms. 1291 1292 config DEBUG_VEXPRESS_UART0_DETECT 1293 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1294 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1295 help 1296 This option enables a simple heuristic which tries to determine 1297 the motherboard's memory map variant (original or RS1) and then 1298 choose the relevant UART0 base address. 1299 1300 Note that this will only work with standard A-class core tiles, 1301 and may fail with non-standard SMM or custom software models. 1302 1303 config DEBUG_VEXPRESS_UART0_CA9 1304 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1305 depends on ARCH_VEXPRESS 1306 select DEBUG_UART_PL01X 1307 help 1308 This option selects UART0 at 0x10009000. Except for custom models, 1309 this applies only to the V2P-CA9 tile. 1310 1311 config DEBUG_VEXPRESS_UART0_RS1 1312 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1313 depends on ARCH_VEXPRESS 1314 select DEBUG_UART_PL01X 1315 help 1316 This option selects UART0 at 0x1c090000. This applies to most 1317 of the tiles using the RS1 memory map, including all new A-class 1318 core tiles, FPGA-based SMMs and software models. 1319 1320 config DEBUG_VEXPRESS_UART0_CRX 1321 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1322 depends on ARCH_VEXPRESS && !MMU 1323 select DEBUG_UART_PL01X 1324 help 1325 This option selects UART0 at 0xb0090000. This is appropriate for 1326 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1327 1328 config DEBUG_VF_UART 1329 bool "Vybrid UART" 1330 depends on SOC_VF610 1331 help 1332 Say Y here if you want kernel low-level debugging support 1333 on Vybrid based platforms. 1334 1335 config DEBUG_VT8500_UART0 1336 bool "Use UART0 on VIA/Wondermedia SoCs" 1337 depends on ARCH_VT8500 1338 help 1339 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1340 devices, including VT8500, WM8505, WM8650 and WM8850. 1341 1342 config DEBUG_ZTE_ZX 1343 bool "Use ZTE ZX UART" 1344 select DEBUG_UART_PL01X 1345 depends on ARCH_ZX 1346 help 1347 Say Y here if you are enabling ZTE ZX296702 SOC and need 1348 debug uart support. 1349 1350 This option is preferred over the platform specific 1351 options; the platform specific options are deprecated 1352 and will be soon removed. 1353 1354 config DEBUG_ZYNQ_UART0 1355 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1356 depends on ARCH_ZYNQ 1357 help 1358 Say Y here if you want the debug print routines to direct 1359 their output to UART0 on the Zynq platform. 1360 1361 config DEBUG_ZYNQ_UART1 1362 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1363 depends on ARCH_ZYNQ 1364 help 1365 Say Y here if you want the debug print routines to direct 1366 their output to UART1 on the Zynq platform. 1367 1368 If you have a ZC702 board and want early boot messages to 1369 appear on the USB serial adaptor, select this option. 1370 1371 config DEBUG_ICEDCC 1372 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1373 help 1374 Say Y here if you want the debug print routines to direct 1375 their output to the EmbeddedICE macrocell's DCC channel using 1376 co-processor 14. This is known to work on the ARM9 style ICE 1377 channel and on the XScale with the PEEDI. 1378 1379 Note that the system will appear to hang during boot if there 1380 is nothing connected to read from the DCC. 1381 1382 config DEBUG_SEMIHOSTING 1383 bool "Kernel low-level debug output via semihosting I/O" 1384 help 1385 Semihosting enables code running on an ARM target to use 1386 the I/O facilities on a host debugger/emulator through a 1387 simple SVC call. The host debugger or emulator must have 1388 semihosting enabled for the special svc call to be trapped 1389 otherwise the kernel will crash. 1390 1391 This is known to work with OpenOCD, as well as 1392 ARM's Fast Models, or any other controlling environment 1393 that implements semihosting. 1394 1395 For more details about semihosting, please see 1396 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1397 1398 config DEBUG_LL_UART_8250 1399 bool "Kernel low-level debugging via 8250 UART" 1400 help 1401 Say Y here if you wish the debug print routes to direct 1402 their output to an 8250 UART. You can use this option 1403 to provide the parameters for the 8250 UART rather than 1404 selecting one of the platform specific options above if 1405 you know the parameters for the port. 1406 1407 This option is preferred over the platform specific 1408 options; the platform specific options are deprecated 1409 and will be soon removed. 1410 1411 config DEBUG_LL_UART_EFM32 1412 bool "Kernel low-level debugging via efm32 UART" 1413 depends on ARCH_EFM32 1414 help 1415 Say Y here if you want the debug print routines to direct 1416 their output to an UART or USART port on efm32 based 1417 machines. Use the following addresses for DEBUG_UART_PHYS: 1418 1419 0x4000c000 | USART0 1420 0x4000c400 | USART1 1421 0x4000c800 | USART2 1422 0x4000e000 | UART0 1423 0x4000e400 | UART1 1424 1425 config DEBUG_LL_UART_PL01X 1426 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1427 help 1428 Say Y here if you wish the debug print routes to direct 1429 their output to a PL01x Primecell UART. You can use 1430 this option to provide the parameters for the UART 1431 rather than selecting one of the platform specific 1432 options above if you know the parameters for the port. 1433 1434 This option is preferred over the platform specific 1435 options; the platform specific options are deprecated 1436 and will be soon removed. 1437 1438endchoice 1439 1440config DEBUG_AT91_UART 1441 bool 1442 depends on ARCH_AT91 1443 1444config DEBUG_EXYNOS_UART 1445 bool 1446 1447config DEBUG_S3C2410_UART 1448 bool 1449 select DEBUG_S3C24XX_UART 1450 1451config DEBUG_S3C24XX_UART 1452 bool 1453 1454config DEBUG_S3C64XX_UART 1455 bool 1456 1457config DEBUG_S5PV210_UART 1458 bool 1459 1460config DEBUG_OMAP2PLUS_UART 1461 bool 1462 depends on ARCH_OMAP2PLUS 1463 1464config DEBUG_IMX_UART_PORT 1465 int "i.MX Debug UART Port Selection" 1466 depends on DEBUG_IMX1_UART || \ 1467 DEBUG_IMX25_UART || \ 1468 DEBUG_IMX21_IMX27_UART || \ 1469 DEBUG_IMX31_UART || \ 1470 DEBUG_IMX35_UART || \ 1471 DEBUG_IMX50_UART || \ 1472 DEBUG_IMX51_UART || \ 1473 DEBUG_IMX53_UART || \ 1474 DEBUG_IMX6Q_UART || \ 1475 DEBUG_IMX6SL_UART || \ 1476 DEBUG_IMX6SX_UART || \ 1477 DEBUG_IMX6UL_UART || \ 1478 DEBUG_IMX7D_UART 1479 default 1 1480 help 1481 Choose UART port on which kernel low-level debug messages 1482 should be output. 1483 1484config DEBUG_VF_UART_PORT 1485 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1486 default 1 1487 range 0 3 1488 depends on SOC_VF610 1489 help 1490 Choose UART port on which kernel low-level debug messages 1491 should be output. 1492 1493config DEBUG_TEGRA_UART 1494 bool 1495 depends on ARCH_TEGRA 1496 1497config DEBUG_STI_UART 1498 bool 1499 depends on ARCH_STI 1500 1501config DEBUG_STM32_UART 1502 bool 1503 depends on ARCH_STM32 1504 1505config DEBUG_SIRFSOC_UART 1506 bool 1507 depends on ARCH_SIRF 1508 1509config DEBUG_LL_INCLUDE 1510 string 1511 default "debug/sa1100.S" if DEBUG_SA1100 1512 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1513 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1514 default "debug/at91.S" if DEBUG_AT91_UART 1515 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1516 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1517 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1518 default "debug/meson.S" if DEBUG_MESON_UARTAO 1519 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1520 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1521 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1522 default "debug/icedcc.S" if DEBUG_ICEDCC 1523 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1524 DEBUG_IMX25_UART || \ 1525 DEBUG_IMX21_IMX27_UART || \ 1526 DEBUG_IMX31_UART || \ 1527 DEBUG_IMX35_UART || \ 1528 DEBUG_IMX50_UART || \ 1529 DEBUG_IMX51_UART || \ 1530 DEBUG_IMX53_UART ||\ 1531 DEBUG_IMX6Q_UART || \ 1532 DEBUG_IMX6SL_UART || \ 1533 DEBUG_IMX6SX_UART || \ 1534 DEBUG_IMX6UL_UART || \ 1535 DEBUG_IMX7D_UART 1536 default "debug/ks8695.S" if DEBUG_KS8695_UART 1537 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1538 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1539 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1540 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1541 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1542 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1543 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1544 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1545 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1546 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1547 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1548 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1549 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1550 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1551 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1552 default "debug/sti.S" if DEBUG_STI_UART 1553 default "debug/stm32.S" if DEBUG_STM32_UART 1554 default "debug/tegra.S" if DEBUG_TEGRA_UART 1555 default "debug/ux500.S" if DEBUG_UX500_UART 1556 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1557 default "debug/vf.S" if DEBUG_VF_UART 1558 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1559 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1560 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1561 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1562 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1563 default "mach/debug-macro.S" 1564 1565# Compatibility options for PL01x 1566config DEBUG_UART_PL01X 1567 bool 1568 1569# Compatibility options for 8250 1570config DEBUG_UART_8250 1571 def_bool ARCH_EBSA110 || \ 1572 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1573 ARCH_RPC 1574 1575config DEBUG_UART_PHYS 1576 hex "Physical base address of debug UART" 1577 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1578 default 0x01c28000 if DEBUG_SUNXI_UART0 1579 default 0x01c28400 if DEBUG_SUNXI_UART1 1580 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1581 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1582 default 0x01f02800 if DEBUG_SUNXI_R_UART 1583 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1584 default 0x02531000 if DEBUG_KEYSTONE_UART1 1585 default 0x03010fe0 if ARCH_RPC 1586 default 0x07000000 if DEBUG_SUN9I_UART0 1587 default 0x09405000 if DEBUG_ZTE_ZX 1588 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1589 DEBUG_VEXPRESS_UART0_CA9 1590 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1591 default 0x10124000 if DEBUG_RK3X_UART0 1592 default 0x10126000 if DEBUG_RK3X_UART1 1593 default 0x101f1000 if DEBUG_VERSATILE 1594 default 0x101fb000 if DEBUG_NOMADIK_UART 1595 default 0x10210000 if DEBUG_RV1108_UART2 1596 default 0x10220000 if DEBUG_RV1108_UART1 1597 default 0x10230000 if DEBUG_RV1108_UART0 1598 default 0x11002000 if DEBUG_MT8127_UART0 1599 default 0x11006000 if DEBUG_MT6589_UART0 1600 default 0x11009000 if DEBUG_MT8135_UART3 1601 default 0x16000000 if DEBUG_INTEGRATOR 1602 default 0x18000300 if DEBUG_BCM_5301X 1603 default 0x18000400 if DEBUG_BCM_HR2 1604 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1605 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1606 default 0x18023000 if DEBUG_BCM_IPROC_UART3 1607 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1608 default 0x20001000 if DEBUG_HIP01_UART 1609 default 0x20060000 if DEBUG_RK29_UART0 1610 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1611 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1612 default 0x20201000 if DEBUG_BCM2835 1613 default 0x3e000000 if DEBUG_BCM_KONA_UART 1614 default 0x3f201000 if DEBUG_BCM2836 1615 default 0x4000e400 if DEBUG_LL_UART_EFM32 1616 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1617 default 0x40081000 if DEBUG_LPC18XX_UART0 1618 default 0x40090000 if DEBUG_LPC32XX 1619 default 0x40100000 if DEBUG_PXA_UART1 1620 default 0x42000000 if DEBUG_GEMINI 1621 default 0x44e09000 if DEBUG_AM33XXUART1 1622 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1623 default 0x48022000 if DEBUG_TI81XXUART2 1624 default 0x48024000 if DEBUG_TI81XXUART3 1625 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1626 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1627 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1628 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1629 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1630 default 0x49020000 if DEBUG_OMAP3UART3 1631 default 0x49042000 if DEBUG_OMAP3UART4 1632 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1633 DEBUG_S3C2410_UART0) 1634 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1635 DEBUG_S3C2410_UART1) 1636 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1637 DEBUG_S3C2410_UART2) 1638 default 0x78000000 if DEBUG_CNS3XXX 1639 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1640 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1641 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1642 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1643 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1644 default 0x80010000 if DEBUG_ASM9260_UART 1645 default 0x80070000 if DEBUG_IMX23_UART 1646 default 0x80074000 if DEBUG_IMX28_UART 1647 default 0x80230000 if DEBUG_PICOXCELL_UART 1648 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1649 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1650 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1651 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1652 default 0xc0013000 if DEBUG_U300_UART 1653 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1654 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1655 default 0xd0000000 if DEBUG_SPEAR3XX 1656 default 0xd0012000 if DEBUG_MVEBU_UART0 1657 default 0xc81004c0 if DEBUG_MESON_UARTAO 1658 default 0xd4017000 if DEBUG_MMP_UART2 1659 default 0xd4018000 if DEBUG_MMP_UART3 1660 default 0xe0000000 if DEBUG_SPEAR13XX 1661 default 0xe4007000 if DEBUG_HIP04_UART 1662 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1663 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1664 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1665 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1666 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1667 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1668 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1669 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1670 default 0xf0000000 if DEBUG_DIGICOLOR_UA0 1671 default 0xf0000be0 if ARCH_EBSA110 1672 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1673 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1674 default 0xf7fc9000 if DEBUG_BERLIN_UART 1675 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1676 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1677 default 0xf991e000 if DEBUG_QCOM_UARTDM 1678 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1679 default 0xfcb00000 if DEBUG_HI3620_UART 1680 default 0xfd883000 if DEBUG_ALPINE_UART0 1681 default 0xfe800000 if ARCH_IOP32X 1682 default 0xff690000 if DEBUG_RK32_UART2 1683 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1684 default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1685 default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1686 default 0xffd82340 if ARCH_IOP13XX 1687 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1688 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1689 default 0xfff36000 if DEBUG_HIGHBANK_UART 1690 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1691 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1692 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1693 default 0xfffe8600 if DEBUG_BCM63XX_UART 1694 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1695 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1696 default 0xfffff700 if ARCH_IOP33X 1697 depends on ARCH_EP93XX || \ 1698 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1699 DEBUG_LL_UART_EFM32 || \ 1700 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1701 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1702 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1703 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1704 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1705 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1706 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1707 DEBUG_S3C64XX_UART || \ 1708 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1709 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1710 DEBUG_AT91_UART 1711 1712config DEBUG_UART_VIRT 1713 hex "Virtual base address of debug UART" 1714 default 0xc881f000 if DEBUG_RV1108_UART2 1715 default 0xc8821000 if DEBUG_RV1108_UART1 1716 default 0xc8912000 if DEBUG_RV1108_UART0 1717 default 0xe0010fe0 if ARCH_RPC 1718 default 0xf0000be0 if ARCH_EBSA110 1719 default 0xf0010000 if DEBUG_ASM9260_UART 1720 default 0xf0100000 if DEBUG_DIGICOLOR_UA0 1721 default 0xf01fb000 if DEBUG_NOMADIK_UART 1722 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1723 default 0xf1000300 if DEBUG_BCM_5301X 1724 default 0xf1000400 if DEBUG_BCM_HR2 1725 default 0xf1002000 if DEBUG_MT8127_UART0 1726 default 0xf1006000 if DEBUG_MT6589_UART0 1727 default 0xf1009000 if DEBUG_MT8135_UART3 1728 default 0xf1023000 if DEBUG_BCM_IPROC_UART3 1729 default 0xf11f1000 if DEBUG_VERSATILE 1730 default 0xf1600000 if DEBUG_INTEGRATOR 1731 default 0xf1c28000 if DEBUG_SUNXI_UART0 1732 default 0xf1c28400 if DEBUG_SUNXI_UART1 1733 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1734 default 0xf31004c0 if DEBUG_MESON_UARTAO 1735 default 0xf4090000 if DEBUG_LPC32XX 1736 default 0xf4200000 if DEBUG_GEMINI 1737 default 0xf6200000 if DEBUG_PXA_UART1 1738 default 0xf7000000 if DEBUG_SUN9I_UART0 1739 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1740 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1741 DEBUG_S3C2410_UART0) 1742 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1743 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1744 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1745 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1746 DEBUG_S3C2410_UART1) 1747 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1748 DEBUG_S3C2410_UART2) 1749 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1750 default 0xf7fc9000 if DEBUG_BERLIN_UART 1751 default 0xf8007000 if DEBUG_HIP04_UART 1752 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1753 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1754 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1755 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1756 default 0xf9e09000 if DEBUG_AM33XXUART1 1757 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1758 default 0xfa022000 if DEBUG_TI81XXUART2 1759 default 0xfa024000 if DEBUG_TI81XXUART3 1760 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1761 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1762 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1763 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1764 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1765 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1766 default 0xfb002000 if DEBUG_CNS3XXX 1767 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1768 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1769 default 0xfb020000 if DEBUG_OMAP3UART3 1770 default 0xfb042000 if DEBUG_OMAP3UART4 1771 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1772 default 0xfc705000 if DEBUG_ZTE_ZX 1773 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1774 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1775 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1776 default 0xfd883000 if DEBUG_ALPINE_UART0 1777 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1778 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1779 default 0xfe017000 if DEBUG_MMP_UART2 1780 default 0xfe018000 if DEBUG_MMP_UART3 1781 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1782 default 0xfe230000 if DEBUG_PICOXCELL_UART 1783 default 0xfe300000 if DEBUG_BCM_KONA_UART 1784 default 0xfe800000 if ARCH_IOP32X 1785 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1786 default 0xfeb24000 if DEBUG_RK3X_UART0 1787 default 0xfeb26000 if DEBUG_RK3X_UART1 1788 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1789 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1790 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1791 default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1792 default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1793 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1794 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1795 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1796 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1797 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1798 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1799 default 0xfec90000 if DEBUG_RK32_UART2 1800 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1801 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1802 default 0xfed60000 if DEBUG_RK29_UART0 1803 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1804 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1805 default 0xfedc0000 if DEBUG_EP93XX 1806 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1807 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1808 default 0xfee82340 if ARCH_IOP13XX 1809 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1810 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1811 default 0xfef36000 if DEBUG_HIGHBANK_UART 1812 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1813 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1814 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1815 default 0xfefff700 if ARCH_IOP33X 1816 default 0xff003000 if DEBUG_U300_UART 1817 default 0xffd01000 if DEBUG_HIP01_UART 1818 default DEBUG_UART_PHYS if !MMU 1819 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1820 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1821 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1822 DEBUG_S3C64XX_UART || \ 1823 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1824 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1825 DEBUG_AT91_UART 1826 1827config DEBUG_UART_8250_SHIFT 1828 int "Register offset shift for the 8250 debug UART" 1829 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1830 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1831 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1832 DEBUG_OMAP7XXUART3 1833 default 2 1834 1835config DEBUG_UART_8250_WORD 1836 bool "Use 32-bit accesses for 8250 UART" 1837 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1838 depends on DEBUG_UART_8250_SHIFT >= 2 1839 default y if DEBUG_PICOXCELL_UART || \ 1840 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ 1841 DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ 1842 DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ 1843 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1844 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \ 1845 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1846 1847config DEBUG_UART_8250_PALMCHIP 1848 bool "8250 UART is Palmchip BK-310x" 1849 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1850 help 1851 Palmchip provides a UART implementation compatible with 16550 1852 except for having a different register layout. Say Y here if 1853 the debug UART is of this type. 1854 1855config DEBUG_UART_8250_FLOW_CONTROL 1856 bool "Enable flow control for 8250 UART" 1857 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1858 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1859 1860config DEBUG_UNCOMPRESS 1861 bool "Enable decompressor debugging via DEBUG_LL output" 1862 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1863 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1864 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1865 !DEBUG_BRCMSTB_UART 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 "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1880 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1881 default "mach/uncompress.h" 1882 1883config EARLY_PRINTK 1884 bool "Early printk" 1885 depends on DEBUG_LL 1886 help 1887 Say Y here if you want to have an early console using the 1888 kernel low-level debugging functions. Add earlyprintk to your 1889 kernel parameters to enable this console. 1890 1891config ARM_KPROBES_TEST 1892 tristate "Kprobes test module" 1893 depends on KPROBES && MODULES 1894 help 1895 Perform tests of kprobes API and instruction set simulation. 1896 1897config PID_IN_CONTEXTIDR 1898 bool "Write the current PID to the CONTEXTIDR register" 1899 depends on CPU_COPY_V6 1900 help 1901 Enabling this option causes the kernel to write the current PID to 1902 the PROCID field of the CONTEXTIDR register, at the expense of some 1903 additional instructions during context switch. Say Y here only if you 1904 are planning to use hardware trace tools with this kernel. 1905 1906source "drivers/hwtracing/coresight/Kconfig" 1907