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 && !FUNCTION_GRAPH_TRACER 51 default UNWINDER_FRAME_POINTER if !AEABI || FUNCTION_GRAPH_TRACER 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 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_NETX_UART 642 bool "Kernel low-level debugging messages via NetX UART" 643 depends on ARCH_NETX 644 help 645 Say Y here if you want kernel low-level debugging support 646 on Hilscher NetX based platforms. 647 648 config DEBUG_NOMADIK_UART 649 bool "Kernel low-level debugging messages via NOMADIK UART" 650 depends on ARCH_NOMADIK 651 select DEBUG_UART_PL01X 652 help 653 Say Y here if you want kernel low-level debugging support 654 on NOMADIK based platforms. 655 656 config DEBUG_NSPIRE_CLASSIC_UART 657 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 658 depends on ARCH_NSPIRE 659 select DEBUG_UART_8250 660 help 661 Say Y here if you want kernel low-level debugging support 662 on TI-NSPIRE classic models. 663 664 config DEBUG_NSPIRE_CX_UART 665 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 666 depends on ARCH_NSPIRE 667 select DEBUG_UART_PL01X 668 help 669 Say Y here if you want kernel low-level debugging support 670 on TI-NSPIRE CX models. 671 672 config DEBUG_OMAP1UART1 673 bool "Kernel low-level debugging via OMAP1 UART1" 674 depends on ARCH_OMAP1 675 select DEBUG_UART_8250 676 help 677 Say Y here if you want kernel low-level debugging support 678 on OMAP1 based platforms (except OMAP730) on the UART1. 679 680 config DEBUG_OMAP1UART2 681 bool "Kernel low-level debugging via OMAP1 UART2" 682 depends on ARCH_OMAP1 683 select DEBUG_UART_8250 684 help 685 Say Y here if you want kernel low-level debugging support 686 on OMAP1 based platforms (except OMAP730) on the UART2. 687 688 config DEBUG_OMAP1UART3 689 bool "Kernel low-level debugging via OMAP1 UART3" 690 depends on ARCH_OMAP1 691 select DEBUG_UART_8250 692 help 693 Say Y here if you want kernel low-level debugging support 694 on OMAP1 based platforms (except OMAP730) on the UART3. 695 696 config DEBUG_OMAP2UART1 697 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 698 depends on ARCH_OMAP2PLUS 699 select DEBUG_UART_8250 700 help 701 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 702 omap3 torpedo and 3530 lv som. 703 704 config DEBUG_OMAP2UART2 705 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 706 depends on ARCH_OMAP2PLUS 707 select DEBUG_UART_8250 708 709 config DEBUG_OMAP2UART3 710 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 711 depends on ARCH_OMAP2PLUS 712 select DEBUG_UART_8250 713 714 config DEBUG_OMAP3UART3 715 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 716 depends on ARCH_OMAP2PLUS 717 select DEBUG_UART_8250 718 help 719 This covers at least cm_t3x, beagle, crane, devkit8000, 720 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 721 and 3517evm. 722 723 config DEBUG_OMAP4UART3 724 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 725 depends on ARCH_OMAP2PLUS 726 select DEBUG_UART_8250 727 728 config DEBUG_OMAP3UART4 729 bool "Kernel low-level debugging messages via OMAP36XX UART4" 730 depends on ARCH_OMAP2PLUS 731 select DEBUG_UART_8250 732 733 config DEBUG_OMAP4UART4 734 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 735 depends on ARCH_OMAP2PLUS 736 select DEBUG_UART_8250 737 738 config DEBUG_OMAP7XXUART1 739 bool "Kernel low-level debugging via OMAP730 UART1" 740 depends on ARCH_OMAP730 741 select DEBUG_UART_8250 742 help 743 Say Y here if you want kernel low-level debugging support 744 on OMAP730 based platforms on the UART1. 745 746 config DEBUG_OMAP7XXUART2 747 bool "Kernel low-level debugging via OMAP730 UART2" 748 depends on ARCH_OMAP730 749 select DEBUG_UART_8250 750 help 751 Say Y here if you want kernel low-level debugging support 752 on OMAP730 based platforms on the UART2. 753 754 config DEBUG_OMAP7XXUART3 755 bool "Kernel low-level debugging via OMAP730 UART3" 756 depends on ARCH_OMAP730 757 select DEBUG_UART_8250 758 help 759 Say Y here if you want kernel low-level debugging support 760 on OMAP730 based platforms on the UART3. 761 762 config DEBUG_TI81XXUART1 763 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 764 depends on ARCH_OMAP2PLUS 765 select DEBUG_UART_8250 766 767 config DEBUG_TI81XXUART2 768 bool "Kernel low-level debugging messages via TI81XX UART2" 769 depends on ARCH_OMAP2PLUS 770 select DEBUG_UART_8250 771 772 config DEBUG_TI81XXUART3 773 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 774 depends on ARCH_OMAP2PLUS 775 select DEBUG_UART_8250 776 777 config DEBUG_AM33XXUART1 778 bool "Kernel low-level debugging messages via AM33XX UART1" 779 depends on ARCH_OMAP2PLUS 780 select DEBUG_UART_8250 781 782 config DEBUG_ZOOM_UART 783 bool "Kernel low-level debugging messages via Zoom2/3 UART" 784 depends on ARCH_OMAP2PLUS 785 select DEBUG_OMAP2PLUS_UART 786 787 config DEBUG_PICOXCELL_UART 788 depends on ARCH_PICOXCELL 789 bool "Use PicoXcell UART for low-level debug" 790 select DEBUG_UART_8250 791 help 792 Say Y here if you want kernel low-level debugging support 793 on PicoXcell based platforms. 794 795 config DEBUG_PXA_UART1 796 depends on ARCH_PXA 797 bool "Use PXA UART1 for low-level debug" 798 select DEBUG_UART_8250 799 help 800 Say Y here if you want kernel low-level debugging support 801 on PXA UART1. 802 803 config DEBUG_QCOM_UARTDM 804 bool "Kernel low-level debugging messages via QCOM UARTDM" 805 depends on ARCH_QCOM 806 help 807 Say Y here if you want the debug print routines to direct 808 their output to the serial port on Qualcomm devices. 809 810 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 811 APQ8064 0x16640000 0xf0040000 812 APQ8084 0xf995e000 0xfa75e000 813 IPQ4019 0x078af000 0xf78af000 814 MSM8X60 0x19c40000 0xf0040000 815 MSM8960 0x16440000 0xf0040000 816 MSM8974 0xf991e000 0xfa71e000 817 818 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 819 options based on your needs. 820 821 config DEBUG_REALVIEW_STD_PORT 822 bool "RealView Default UART" 823 depends on ARCH_REALVIEW 824 select DEBUG_UART_PL01X 825 help 826 Say Y here if you want the debug print routines to direct 827 their output to the serial port on RealView EB, PB11MP, PBA8 828 and PBX platforms. 829 830 config DEBUG_REALVIEW_PB1176_PORT 831 bool "RealView PB1176 UART" 832 depends on MACH_REALVIEW_PB1176 833 select DEBUG_UART_PL01X 834 help 835 Say Y here if you want the debug print routines to direct 836 their output to the standard serial port on the RealView 837 PB1176 platform. 838 839 config DEBUG_RV1108_UART0 840 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 841 depends on ARCH_ROCKCHIP 842 select DEBUG_UART_8250 843 help 844 Say Y here if you want kernel low-level debugging support 845 on Rockchip RV1108 based platforms. 846 847 config DEBUG_RV1108_UART1 848 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 849 depends on ARCH_ROCKCHIP 850 select DEBUG_UART_8250 851 help 852 Say Y here if you want kernel low-level debugging support 853 on Rockchip RV1108 based platforms. 854 855 config DEBUG_RV1108_UART2 856 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 857 depends on ARCH_ROCKCHIP 858 select DEBUG_UART_8250 859 help 860 Say Y here if you want kernel low-level debugging support 861 on Rockchip RV1108 based platforms. 862 863 config DEBUG_RK29_UART0 864 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 865 depends on ARCH_ROCKCHIP 866 select DEBUG_UART_8250 867 help 868 Say Y here if you want kernel low-level debugging support 869 on Rockchip based platforms. 870 871 config DEBUG_RK29_UART1 872 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 873 depends on ARCH_ROCKCHIP 874 select DEBUG_UART_8250 875 help 876 Say Y here if you want kernel low-level debugging support 877 on Rockchip based platforms. 878 879 config DEBUG_RK29_UART2 880 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 881 depends on ARCH_ROCKCHIP 882 select DEBUG_UART_8250 883 help 884 Say Y here if you want kernel low-level debugging support 885 on Rockchip based platforms. 886 887 config DEBUG_RK3X_UART0 888 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 889 depends on ARCH_ROCKCHIP 890 select DEBUG_UART_8250 891 help 892 Say Y here if you want kernel low-level debugging support 893 on Rockchip based platforms. 894 895 config DEBUG_RK3X_UART1 896 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 897 depends on ARCH_ROCKCHIP 898 select DEBUG_UART_8250 899 help 900 Say Y here if you want kernel low-level debugging support 901 on Rockchip based platforms. 902 903 config DEBUG_RK3X_UART2 904 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 905 depends on ARCH_ROCKCHIP 906 select DEBUG_UART_8250 907 help 908 Say Y here if you want kernel low-level debugging support 909 on Rockchip based platforms. 910 911 config DEBUG_RK3X_UART3 912 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 913 depends on ARCH_ROCKCHIP 914 select DEBUG_UART_8250 915 help 916 Say Y here if you want kernel low-level debugging support 917 on Rockchip based platforms. 918 919 config DEBUG_RK32_UART2 920 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 921 depends on ARCH_ROCKCHIP 922 select DEBUG_UART_8250 923 help 924 Say Y here if you want kernel low-level debugging support 925 on Rockchip RK32xx based platforms. 926 927 config DEBUG_R7S72100_SCIF2 928 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 929 depends on ARCH_R7S72100 930 help 931 Say Y here if you want kernel low-level debugging support 932 via SCIF2 on Renesas RZ/A1H (R7S72100). 933 934 config DEBUG_RCAR_GEN1_SCIF0 935 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 936 depends on ARCH_R8A7778 937 help 938 Say Y here if you want kernel low-level debugging support 939 via SCIF0 on Renesas R-Car M1A (R8A7778). 940 941 config DEBUG_RCAR_GEN1_SCIF2 942 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 943 depends on ARCH_R8A7779 944 help 945 Say Y here if you want kernel low-level debugging support 946 via SCIF2 on Renesas R-Car H1 (R8A7779). 947 948 config DEBUG_RCAR_GEN2_SCIF0 949 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 950 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 951 ARCH_R8A7792 || ARCH_R8A7793 952 help 953 Say Y here if you want kernel low-level debugging support 954 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 955 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 956 957 config DEBUG_RCAR_GEN2_SCIF1 958 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 959 depends on ARCH_R8A77470 960 help 961 Say Y here if you want kernel low-level debugging support 962 via SCIF1 on Renesas RZ/G1C (R8A77470). 963 964 config DEBUG_RCAR_GEN2_SCIF2 965 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 966 depends on ARCH_R8A7794 967 help 968 Say Y here if you want kernel low-level debugging support 969 via SCIF2 on Renesas R-Car E2 (R8A7794). 970 971 config DEBUG_RCAR_GEN2_SCIF4 972 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 973 depends on ARCH_R8A7745 974 help 975 Say Y here if you want kernel low-level debugging support 976 via SCIF4 on Renesas RZ/G1E (R8A7745). 977 978 config DEBUG_RMOBILE_SCIFA0 979 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 980 depends on ARCH_R8A73A4 981 help 982 Say Y here if you want kernel low-level debugging support 983 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 984 985 config DEBUG_RMOBILE_SCIFA1 986 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 987 depends on ARCH_R8A7740 988 help 989 Say Y here if you want kernel low-level debugging support 990 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 991 992 config DEBUG_RMOBILE_SCIFA4 993 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 994 depends on ARCH_SH73A0 995 help 996 Say Y here if you want kernel low-level debugging support 997 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 998 999 config DEBUG_S3C_UART0 1000 depends on PLAT_SAMSUNG 1001 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1002 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1003 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1004 select DEBUG_S5PV210_UART if ARCH_S5PV210 1005 bool "Use Samsung S3C UART 0 for low-level debug" 1006 help 1007 Say Y here if you want the debug print routines to direct 1008 their output to UART 0. The port must have been initialised 1009 by the boot-loader before use. 1010 1011 config DEBUG_S3C_UART1 1012 depends on PLAT_SAMSUNG 1013 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1014 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1015 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1016 select DEBUG_S5PV210_UART if ARCH_S5PV210 1017 bool "Use Samsung S3C UART 1 for low-level debug" 1018 help 1019 Say Y here if you want the debug print routines to direct 1020 their output to UART 1. The port must have been initialised 1021 by the boot-loader before use. 1022 1023 config DEBUG_S3C_UART2 1024 depends on PLAT_SAMSUNG 1025 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1026 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1027 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1028 select DEBUG_S5PV210_UART if ARCH_S5PV210 1029 bool "Use Samsung S3C UART 2 for low-level debug" 1030 help 1031 Say Y here if you want the debug print routines to direct 1032 their output to UART 2. The port must have been initialised 1033 by the boot-loader before use. 1034 1035 config DEBUG_S3C_UART3 1036 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 1037 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1038 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1039 select DEBUG_S5PV210_UART if ARCH_S5PV210 1040 bool "Use Samsung S3C UART 3 for low-level debug" 1041 help 1042 Say Y here if you want the debug print routines to direct 1043 their output to UART 3. The port must have been initialised 1044 by the boot-loader before use. 1045 1046 config DEBUG_S3C2410_UART0 1047 depends on ARCH_S3C24XX 1048 select DEBUG_S3C2410_UART 1049 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1050 help 1051 Say Y here if you want the debug print routines to direct 1052 their output to UART 0. The port must have been initialised 1053 by the boot-loader before use. 1054 1055 config DEBUG_S3C2410_UART1 1056 depends on ARCH_S3C24XX 1057 select DEBUG_S3C2410_UART 1058 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1059 help 1060 Say Y here if you want the debug print routines to direct 1061 their output to UART 1. The port must have been initialised 1062 by the boot-loader before use. 1063 1064 config DEBUG_S3C2410_UART2 1065 depends on ARCH_S3C24XX 1066 select DEBUG_S3C2410_UART 1067 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1068 help 1069 Say Y here if you want the debug print routines to direct 1070 their output to UART 2. The port must have been initialised 1071 by the boot-loader before use. 1072 1073 config DEBUG_SA1100 1074 depends on ARCH_SA1100 1075 bool "Use SA1100 UARTs for low-level debug" 1076 help 1077 Say Y here if you want kernel low-level debugging support 1078 on SA-11x0 UART ports. The kernel will check for the first 1079 enabled UART in a sequence 3-1-2. 1080 1081 config DEBUG_SOCFPGA_UART0 1082 depends on ARCH_SOCFPGA 1083 bool "Use SOCFPGA UART0 for low-level debug" 1084 select DEBUG_UART_8250 1085 help 1086 Say Y here if you want kernel low-level debugging support 1087 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1088 1089 config DEBUG_SOCFPGA_UART1 1090 depends on ARCH_SOCFPGA 1091 bool "Use SOCFPGA UART1 for low-level debug" 1092 select DEBUG_UART_8250 1093 help 1094 Say Y here if you want kernel low-level debugging support 1095 on SOCFPGA(Arria 10) based platforms. 1096 1097 1098 config DEBUG_SUN9I_UART0 1099 bool "Kernel low-level debugging messages via sun9i UART0" 1100 depends on MACH_SUN9I 1101 select DEBUG_UART_8250 1102 help 1103 Say Y here if you want kernel low-level debugging support 1104 on Allwinner A80 based platforms on the UART0. 1105 1106 config DEBUG_SUNXI_UART0 1107 bool "Kernel low-level debugging messages via sunXi UART0" 1108 depends on ARCH_SUNXI 1109 select DEBUG_UART_8250 1110 help 1111 Say Y here if you want kernel low-level debugging support 1112 on Allwinner A1X based platforms on the UART0. 1113 1114 config DEBUG_SUNXI_UART1 1115 bool "Kernel low-level debugging messages via sunXi UART1" 1116 depends on ARCH_SUNXI 1117 select DEBUG_UART_8250 1118 help 1119 Say Y here if you want kernel low-level debugging support 1120 on Allwinner A1X based platforms on the UART1. 1121 1122 config DEBUG_SUNXI_R_UART 1123 bool "Kernel low-level debugging messages via sunXi R_UART" 1124 depends on MACH_SUN6I || MACH_SUN8I 1125 select DEBUG_UART_8250 1126 help 1127 Say Y here if you want kernel low-level debugging support 1128 on Allwinner A31/A23 based platforms on the R_UART. 1129 1130 config DEBUG_SIRFPRIMA2_UART1 1131 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1132 depends on ARCH_PRIMA2 1133 select DEBUG_SIRFSOC_UART 1134 help 1135 Say Y here if you want the debug print routines to direct 1136 their output to the uart1 port on SiRFprimaII devices. 1137 1138 config DEBUG_SIRFATLAS7_UART0 1139 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1140 depends on ARCH_ATLAS7 1141 select DEBUG_SIRFSOC_UART 1142 help 1143 Say Y here if you want the debug print routines to direct 1144 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1145 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1146 debug port can be very useful. 1147 1148 config DEBUG_SIRFATLAS7_UART1 1149 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1150 depends on ARCH_ATLAS7 1151 select DEBUG_SIRFSOC_UART 1152 help 1153 Say Y here if you want the debug print routines to direct 1154 their output to the uart1 port on SiRFATLAS7 devices. 1155 1156 config DEBUG_SPEAR3XX 1157 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1158 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1159 select DEBUG_UART_PL01X 1160 help 1161 Say Y here if you want kernel low-level debugging support 1162 on ST SPEAr based platforms. 1163 1164 config DEBUG_SPEAR13XX 1165 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1166 depends on ARCH_SPEAR13XX 1167 select DEBUG_UART_PL01X 1168 help 1169 Say Y here if you want kernel low-level debugging support 1170 on ST SPEAr13xx based platforms. 1171 1172 config STIH41X_DEBUG_ASC2 1173 bool "Use StiH415/416 ASC2 UART for low-level debug" 1174 depends on ARCH_STI 1175 select DEBUG_STI_UART 1176 help 1177 Say Y here if you want kernel low-level debugging support 1178 on STiH415/416 based platforms like b2000, which has 1179 default UART wired up to ASC2. 1180 1181 If unsure, say N. 1182 1183 config STIH41X_DEBUG_SBC_ASC1 1184 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1185 depends on ARCH_STI 1186 select DEBUG_STI_UART 1187 help 1188 Say Y here if you want kernel low-level debugging support 1189 on STiH415/416 based platforms like b2020. which has 1190 default UART wired up to SBC ASC1. 1191 1192 If unsure, say N. 1193 1194 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1195 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1196 depends on ARCH_TEGRA 1197 select DEBUG_TEGRA_UART 1198 help 1199 Automatically determines which UART to use for low-level 1200 debug based on the ODMDATA value. This value is part of 1201 the BCT, and is written to the boot memory device using 1202 nvflash, or other flashing tool. When bits 19:18 are 3, 1203 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1204 are UART A/B/C/D/E. 1205 1206 config TEGRA_DEBUG_UARTA 1207 bool "Kernel low-level debugging messages via Tegra UART A" 1208 depends on ARCH_TEGRA 1209 select DEBUG_TEGRA_UART 1210 help 1211 Say Y here if you want kernel low-level debugging support 1212 on Tegra based platforms. 1213 1214 config TEGRA_DEBUG_UARTB 1215 bool "Kernel low-level debugging messages via Tegra UART B" 1216 depends on ARCH_TEGRA 1217 select DEBUG_TEGRA_UART 1218 help 1219 Say Y here if you want kernel low-level debugging support 1220 on Tegra based platforms. 1221 1222 config TEGRA_DEBUG_UARTC 1223 bool "Kernel low-level debugging messages via Tegra UART C" 1224 depends on ARCH_TEGRA 1225 select DEBUG_TEGRA_UART 1226 help 1227 Say Y here if you want kernel low-level debugging support 1228 on Tegra based platforms. 1229 1230 config TEGRA_DEBUG_UARTD 1231 bool "Kernel low-level debugging messages via Tegra UART D" 1232 depends on ARCH_TEGRA 1233 select DEBUG_TEGRA_UART 1234 help 1235 Say Y here if you want kernel low-level debugging support 1236 on Tegra based platforms. 1237 1238 config TEGRA_DEBUG_UARTE 1239 bool "Kernel low-level debugging messages via Tegra UART E" 1240 depends on ARCH_TEGRA 1241 select DEBUG_TEGRA_UART 1242 help 1243 Say Y here if you want kernel low-level debugging support 1244 on Tegra based platforms. 1245 1246 config DEBUG_U300_UART 1247 bool "Kernel low-level debugging messages via U300 UART0" 1248 depends on ARCH_U300 1249 select DEBUG_UART_PL01X 1250 help 1251 Say Y here if you want the debug print routines to direct 1252 their output to the uart port on U300 devices. 1253 1254 config DEBUG_UX500_UART 1255 depends on ARCH_U8500 1256 bool "Use Ux500 UART for low-level debug" 1257 help 1258 Say Y here if you want kernel low-level debugging support 1259 on Ux500 based platforms. 1260 1261 config DEBUG_VERSATILE 1262 bool "Kernel low-level debugging messages via ARM Versatile UART" 1263 depends on ARCH_VERSATILE 1264 select DEBUG_UART_PL01X 1265 help 1266 Say Y here if you want kernel low-level debugging support 1267 on ARM Versatile platforms. 1268 1269 config DEBUG_VEXPRESS_UART0_DETECT 1270 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1271 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1272 help 1273 This option enables a simple heuristic which tries to determine 1274 the motherboard's memory map variant (original or RS1) and then 1275 choose the relevant UART0 base address. 1276 1277 Note that this will only work with standard A-class core tiles, 1278 and may fail with non-standard SMM or custom software models. 1279 1280 config DEBUG_VEXPRESS_UART0_CA9 1281 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1282 depends on ARCH_VEXPRESS 1283 select DEBUG_UART_PL01X 1284 help 1285 This option selects UART0 at 0x10009000. Except for custom models, 1286 this applies only to the V2P-CA9 tile. 1287 1288 config DEBUG_VEXPRESS_UART0_RS1 1289 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1290 depends on ARCH_VEXPRESS 1291 select DEBUG_UART_PL01X 1292 help 1293 This option selects UART0 at 0x1c090000. This applies to most 1294 of the tiles using the RS1 memory map, including all new A-class 1295 core tiles, FPGA-based SMMs and software models. 1296 1297 config DEBUG_VEXPRESS_UART0_CRX 1298 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1299 depends on ARCH_VEXPRESS && !MMU 1300 select DEBUG_UART_PL01X 1301 help 1302 This option selects UART0 at 0xb0090000. This is appropriate for 1303 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1304 1305 config DEBUG_VF_UART 1306 bool "Vybrid UART" 1307 depends on SOC_VF610 1308 help 1309 Say Y here if you want kernel low-level debugging support 1310 on Vybrid based platforms. 1311 1312 config DEBUG_VT8500_UART0 1313 bool "Use UART0 on VIA/Wondermedia SoCs" 1314 depends on ARCH_VT8500 1315 help 1316 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1317 devices, including VT8500, WM8505, WM8650 and WM8850. 1318 1319 config DEBUG_ZTE_ZX 1320 bool "Use ZTE ZX UART" 1321 select DEBUG_UART_PL01X 1322 depends on ARCH_ZX 1323 help 1324 Say Y here if you are enabling ZTE ZX296702 SOC and need 1325 debug uart support. 1326 1327 This option is preferred over the platform specific 1328 options; the platform specific options are deprecated 1329 and will be soon removed. 1330 1331 config DEBUG_ZYNQ_UART0 1332 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1333 depends on ARCH_ZYNQ 1334 help 1335 Say Y here if you want the debug print routines to direct 1336 their output to UART0 on the Zynq platform. 1337 1338 config DEBUG_ZYNQ_UART1 1339 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1340 depends on ARCH_ZYNQ 1341 help 1342 Say Y here if you want the debug print routines to direct 1343 their output to UART1 on the Zynq platform. 1344 1345 If you have a ZC702 board and want early boot messages to 1346 appear on the USB serial adaptor, select this option. 1347 1348 config DEBUG_ICEDCC 1349 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1350 help 1351 Say Y here if you want the debug print routines to direct 1352 their output to the EmbeddedICE macrocell's DCC channel using 1353 co-processor 14. This is known to work on the ARM9 style ICE 1354 channel and on the XScale with the PEEDI. 1355 1356 Note that the system will appear to hang during boot if there 1357 is nothing connected to read from the DCC. 1358 1359 config DEBUG_SEMIHOSTING 1360 bool "Kernel low-level debug output via semihosting I/O" 1361 help 1362 Semihosting enables code running on an ARM target to use 1363 the I/O facilities on a host debugger/emulator through a 1364 simple SVC call. The host debugger or emulator must have 1365 semihosting enabled for the special svc call to be trapped 1366 otherwise the kernel will crash. 1367 1368 This is known to work with OpenOCD, as well as 1369 ARM's Fast Models, or any other controlling environment 1370 that implements semihosting. 1371 1372 For more details about semihosting, please see 1373 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1374 1375 config DEBUG_LL_UART_8250 1376 bool "Kernel low-level debugging via 8250 UART" 1377 help 1378 Say Y here if you wish the debug print routes to direct 1379 their output to an 8250 UART. You can use this option 1380 to provide the parameters for the 8250 UART rather than 1381 selecting one of the platform specific options above if 1382 you know the parameters for the port. 1383 1384 This option is preferred over the platform specific 1385 options; the platform specific options are deprecated 1386 and will be soon removed. 1387 1388 config DEBUG_LL_UART_EFM32 1389 bool "Kernel low-level debugging via efm32 UART" 1390 depends on ARCH_EFM32 1391 help 1392 Say Y here if you want the debug print routines to direct 1393 their output to an UART or USART port on efm32 based 1394 machines. Use the following addresses for DEBUG_UART_PHYS: 1395 1396 0x4000c000 | USART0 1397 0x4000c400 | USART1 1398 0x4000c800 | USART2 1399 0x4000e000 | UART0 1400 0x4000e400 | UART1 1401 1402 config DEBUG_LL_UART_PL01X 1403 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1404 help 1405 Say Y here if you wish the debug print routes to direct 1406 their output to a PL01x Primecell UART. You can use 1407 this option to provide the parameters for the UART 1408 rather than selecting one of the platform specific 1409 options above if you know the parameters for the port. 1410 1411 This option is preferred over the platform specific 1412 options; the platform specific options are deprecated 1413 and will be soon removed. 1414 1415endchoice 1416 1417config DEBUG_AT91_UART 1418 bool 1419 depends on ARCH_AT91 1420 1421config DEBUG_EXYNOS_UART 1422 bool 1423 1424config DEBUG_S3C2410_UART 1425 bool 1426 select DEBUG_S3C24XX_UART 1427 1428config DEBUG_S3C24XX_UART 1429 bool 1430 1431config DEBUG_S3C64XX_UART 1432 bool 1433 1434config DEBUG_S5PV210_UART 1435 bool 1436 1437config DEBUG_OMAP2PLUS_UART 1438 bool 1439 depends on ARCH_OMAP2PLUS 1440 1441config DEBUG_IMX_UART_PORT 1442 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1443 DEBUG_IMX25_UART || \ 1444 DEBUG_IMX21_IMX27_UART || \ 1445 DEBUG_IMX31_UART || \ 1446 DEBUG_IMX35_UART || \ 1447 DEBUG_IMX50_UART || \ 1448 DEBUG_IMX51_UART || \ 1449 DEBUG_IMX53_UART || \ 1450 DEBUG_IMX6Q_UART || \ 1451 DEBUG_IMX6SL_UART || \ 1452 DEBUG_IMX6SX_UART || \ 1453 DEBUG_IMX6UL_UART || \ 1454 DEBUG_IMX7D_UART 1455 default 1 1456 depends on ARCH_MXC 1457 help 1458 Choose UART port on which kernel low-level debug messages 1459 should be output. 1460 1461config DEBUG_VF_UART_PORT 1462 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1463 default 1 1464 range 0 3 1465 depends on SOC_VF610 1466 help 1467 Choose UART port on which kernel low-level debug messages 1468 should be output. 1469 1470config DEBUG_TEGRA_UART 1471 bool 1472 depends on ARCH_TEGRA 1473 1474config DEBUG_STI_UART 1475 bool 1476 depends on ARCH_STI 1477 1478config DEBUG_SIRFSOC_UART 1479 bool 1480 depends on ARCH_SIRF 1481 1482config DEBUG_LL_INCLUDE 1483 string 1484 default "debug/sa1100.S" if DEBUG_SA1100 1485 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1486 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1487 default "debug/at91.S" if DEBUG_AT91_UART 1488 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1489 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1490 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1491 default "debug/meson.S" if DEBUG_MESON_UARTAO 1492 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1493 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1494 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1495 default "debug/icedcc.S" if DEBUG_ICEDCC 1496 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1497 DEBUG_IMX25_UART || \ 1498 DEBUG_IMX21_IMX27_UART || \ 1499 DEBUG_IMX31_UART || \ 1500 DEBUG_IMX35_UART || \ 1501 DEBUG_IMX50_UART || \ 1502 DEBUG_IMX51_UART || \ 1503 DEBUG_IMX53_UART ||\ 1504 DEBUG_IMX6Q_UART || \ 1505 DEBUG_IMX6SL_UART || \ 1506 DEBUG_IMX6SX_UART || \ 1507 DEBUG_IMX6UL_UART || \ 1508 DEBUG_IMX7D_UART 1509 default "debug/ks8695.S" if DEBUG_KS8695_UART 1510 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1511 default "debug/netx.S" if DEBUG_NETX_UART 1512 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1513 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1514 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1515 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1516 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1517 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1518 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1519 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1520 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1521 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1522 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1523 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1524 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1525 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1526 default "debug/sti.S" if DEBUG_STI_UART 1527 default "debug/tegra.S" if DEBUG_TEGRA_UART 1528 default "debug/ux500.S" if DEBUG_UX500_UART 1529 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1530 default "debug/vf.S" if DEBUG_VF_UART 1531 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1532 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1533 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1534 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1535 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1536 default "mach/debug-macro.S" 1537 1538# Compatibility options for PL01x 1539config DEBUG_UART_PL01X 1540 bool 1541 1542# Compatibility options for 8250 1543config DEBUG_UART_8250 1544 def_bool ARCH_EBSA110 || \ 1545 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1546 ARCH_RPC 1547 1548config DEBUG_UART_PHYS 1549 hex "Physical base address of debug UART" 1550 default 0x00100a00 if DEBUG_NETX_UART 1551 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1552 default 0x01c28000 if DEBUG_SUNXI_UART0 1553 default 0x01c28400 if DEBUG_SUNXI_UART1 1554 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1555 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1556 default 0x01f02800 if DEBUG_SUNXI_R_UART 1557 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1558 default 0x02531000 if DEBUG_KEYSTONE_UART1 1559 default 0x03010fe0 if ARCH_RPC 1560 default 0x07000000 if DEBUG_SUN9I_UART0 1561 default 0x09405000 if DEBUG_ZTE_ZX 1562 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1563 DEBUG_VEXPRESS_UART0_CA9 1564 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1565 default 0x10124000 if DEBUG_RK3X_UART0 1566 default 0x10126000 if DEBUG_RK3X_UART1 1567 default 0x101f1000 if DEBUG_VERSATILE 1568 default 0x101fb000 if DEBUG_NOMADIK_UART 1569 default 0x10210000 if DEBUG_RV1108_UART2 1570 default 0x10220000 if DEBUG_RV1108_UART1 1571 default 0x10230000 if DEBUG_RV1108_UART0 1572 default 0x11002000 if DEBUG_MT8127_UART0 1573 default 0x11006000 if DEBUG_MT6589_UART0 1574 default 0x11009000 if DEBUG_MT8135_UART3 1575 default 0x16000000 if DEBUG_INTEGRATOR 1576 default 0x18000300 if DEBUG_BCM_5301X 1577 default 0x18000400 if DEBUG_BCM_HR2 1578 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1579 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1580 default 0x18023000 if DEBUG_BCM_IPROC_UART3 1581 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1582 default 0x20001000 if DEBUG_HIP01_UART 1583 default 0x20060000 if DEBUG_RK29_UART0 1584 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1585 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1586 default 0x20201000 if DEBUG_BCM2835 1587 default 0x3e000000 if DEBUG_BCM_KONA_UART 1588 default 0x3f201000 if DEBUG_BCM2836 1589 default 0x4000e400 if DEBUG_LL_UART_EFM32 1590 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1591 default 0x40081000 if DEBUG_LPC18XX_UART0 1592 default 0x40090000 if DEBUG_LPC32XX 1593 default 0x40100000 if DEBUG_PXA_UART1 1594 default 0x42000000 if DEBUG_GEMINI 1595 default 0x44e09000 if DEBUG_AM33XXUART1 1596 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1597 default 0x48022000 if DEBUG_TI81XXUART2 1598 default 0x48024000 if DEBUG_TI81XXUART3 1599 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1600 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1601 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1602 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1603 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1604 default 0x49020000 if DEBUG_OMAP3UART3 1605 default 0x49042000 if DEBUG_OMAP3UART4 1606 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1607 DEBUG_S3C2410_UART0) 1608 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1609 DEBUG_S3C2410_UART1) 1610 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1611 DEBUG_S3C2410_UART2) 1612 default 0x78000000 if DEBUG_CNS3XXX 1613 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1614 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1615 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1616 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1617 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1618 default 0x80010000 if DEBUG_ASM9260_UART 1619 default 0x80070000 if DEBUG_IMX23_UART 1620 default 0x80074000 if DEBUG_IMX28_UART 1621 default 0x80230000 if DEBUG_PICOXCELL_UART 1622 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1623 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1624 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1625 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1626 default 0xc0013000 if DEBUG_U300_UART 1627 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1628 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1629 default 0xd0000000 if DEBUG_SPEAR3XX 1630 default 0xd0012000 if DEBUG_MVEBU_UART0 1631 default 0xc81004c0 if DEBUG_MESON_UARTAO 1632 default 0xd4017000 if DEBUG_MMP_UART2 1633 default 0xd4018000 if DEBUG_MMP_UART3 1634 default 0xe0000000 if DEBUG_SPEAR13XX 1635 default 0xe4007000 if DEBUG_HIP04_UART 1636 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1637 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1638 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1639 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1640 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1641 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1642 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1643 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1644 default 0xf0000be0 if ARCH_EBSA110 1645 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1646 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1647 default 0xf7fc9000 if DEBUG_BERLIN_UART 1648 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1649 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1650 default 0xf991e000 if DEBUG_QCOM_UARTDM 1651 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1652 default 0xfcb00000 if DEBUG_HI3620_UART 1653 default 0xfd883000 if DEBUG_ALPINE_UART0 1654 default 0xfe800000 if ARCH_IOP32X 1655 default 0xff690000 if DEBUG_RK32_UART2 1656 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1657 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1658 default 0xffd82340 if ARCH_IOP13XX 1659 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1660 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1661 default 0xfff36000 if DEBUG_HIGHBANK_UART 1662 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1663 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1664 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1665 default 0xfffe8600 if DEBUG_BCM63XX_UART 1666 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1667 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1668 default 0xfffff700 if ARCH_IOP33X 1669 depends on ARCH_EP93XX || \ 1670 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1671 DEBUG_LL_UART_EFM32 || \ 1672 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1673 DEBUG_NETX_UART || \ 1674 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1675 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1676 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1677 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1678 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1679 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1680 DEBUG_S3C64XX_UART || \ 1681 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1682 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1683 DEBUG_AT91_UART 1684 1685config DEBUG_UART_VIRT 1686 hex "Virtual base address of debug UART" 1687 default 0xc881f000 if DEBUG_RV1108_UART2 1688 default 0xc8821000 if DEBUG_RV1108_UART1 1689 default 0xc8912000 if DEBUG_RV1108_UART0 1690 default 0xe0000a00 if DEBUG_NETX_UART 1691 default 0xe0010fe0 if ARCH_RPC 1692 default 0xf0000be0 if ARCH_EBSA110 1693 default 0xf0010000 if DEBUG_ASM9260_UART 1694 default 0xf01fb000 if DEBUG_NOMADIK_UART 1695 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1696 default 0xf1000300 if DEBUG_BCM_5301X 1697 default 0xf1000400 if DEBUG_BCM_HR2 1698 default 0xf1002000 if DEBUG_MT8127_UART0 1699 default 0xf1006000 if DEBUG_MT6589_UART0 1700 default 0xf1009000 if DEBUG_MT8135_UART3 1701 default 0xf1023000 if DEBUG_BCM_IPROC_UART3 1702 default 0xf11f1000 if DEBUG_VERSATILE 1703 default 0xf1600000 if DEBUG_INTEGRATOR 1704 default 0xf1c28000 if DEBUG_SUNXI_UART0 1705 default 0xf1c28400 if DEBUG_SUNXI_UART1 1706 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1707 default 0xf31004c0 if DEBUG_MESON_UARTAO 1708 default 0xf4090000 if DEBUG_LPC32XX 1709 default 0xf4200000 if DEBUG_GEMINI 1710 default 0xf6200000 if DEBUG_PXA_UART1 1711 default 0xf7000000 if DEBUG_SUN9I_UART0 1712 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1713 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1714 DEBUG_S3C2410_UART0) 1715 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1716 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1717 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1718 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1719 DEBUG_S3C2410_UART1) 1720 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1721 DEBUG_S3C2410_UART2) 1722 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1723 default 0xf7fc9000 if DEBUG_BERLIN_UART 1724 default 0xf8007000 if DEBUG_HIP04_UART 1725 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1726 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1727 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1728 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1729 default 0xf9e09000 if DEBUG_AM33XXUART1 1730 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1731 default 0xfa022000 if DEBUG_TI81XXUART2 1732 default 0xfa024000 if DEBUG_TI81XXUART3 1733 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1734 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1735 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1736 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1737 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1738 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1739 default 0xfb002000 if DEBUG_CNS3XXX 1740 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1741 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1742 default 0xfb020000 if DEBUG_OMAP3UART3 1743 default 0xfb042000 if DEBUG_OMAP3UART4 1744 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1745 default 0xfc705000 if DEBUG_ZTE_ZX 1746 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1747 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1748 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1749 default 0xfd883000 if DEBUG_ALPINE_UART0 1750 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1751 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1752 default 0xfe017000 if DEBUG_MMP_UART2 1753 default 0xfe018000 if DEBUG_MMP_UART3 1754 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1755 default 0xfe230000 if DEBUG_PICOXCELL_UART 1756 default 0xfe300000 if DEBUG_BCM_KONA_UART 1757 default 0xfe800000 if ARCH_IOP32X 1758 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1759 default 0xfeb24000 if DEBUG_RK3X_UART0 1760 default 0xfeb26000 if DEBUG_RK3X_UART1 1761 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1762 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1763 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1764 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1765 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1766 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1767 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1768 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1769 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1770 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1771 default 0xfec90000 if DEBUG_RK32_UART2 1772 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1773 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1774 default 0xfed60000 if DEBUG_RK29_UART0 1775 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1776 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1777 default 0xfedc0000 if DEBUG_EP93XX 1778 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1779 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1780 default 0xfee82340 if ARCH_IOP13XX 1781 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1782 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1783 default 0xfef36000 if DEBUG_HIGHBANK_UART 1784 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1785 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1786 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1787 default 0xfefff700 if ARCH_IOP33X 1788 default 0xff003000 if DEBUG_U300_UART 1789 default 0xffd01000 if DEBUG_HIP01_UART 1790 default DEBUG_UART_PHYS if !MMU 1791 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1792 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1793 DEBUG_NETX_UART || \ 1794 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1795 DEBUG_S3C64XX_UART || \ 1796 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1797 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1798 DEBUG_AT91_UART 1799 1800config DEBUG_UART_8250_SHIFT 1801 int "Register offset shift for the 8250 debug UART" 1802 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1803 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1804 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1805 DEBUG_OMAP7XXUART3 1806 default 2 1807 1808config DEBUG_UART_8250_WORD 1809 bool "Use 32-bit accesses for 8250 UART" 1810 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1811 depends on DEBUG_UART_8250_SHIFT >= 2 1812 default y if DEBUG_PICOXCELL_UART || \ 1813 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1814 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1815 DEBUG_ALPINE_UART0 || \ 1816 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1817 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \ 1818 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1819 1820config DEBUG_UART_8250_PALMCHIP 1821 bool "8250 UART is Palmchip BK-310x" 1822 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1823 help 1824 Palmchip provides a UART implementation compatible with 16550 1825 except for having a different register layout. Say Y here if 1826 the debug UART is of this type. 1827 1828config DEBUG_UART_8250_FLOW_CONTROL 1829 bool "Enable flow control for 8250 UART" 1830 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1831 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1832 1833config DEBUG_UNCOMPRESS 1834 bool "Enable decompressor debugging via DEBUG_LL output" 1835 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1836 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1837 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1838 !DEBUG_BRCMSTB_UART 1839 help 1840 This option influences the normal decompressor output for 1841 multiplatform kernels. Normally, multiplatform kernels disable 1842 decompressor output because it is not possible to know where to 1843 send the decompressor output. 1844 1845 When this option is set, the selected DEBUG_LL output method 1846 will be re-used for normal decompressor output on multiplatform 1847 kernels. 1848 1849 1850config UNCOMPRESS_INCLUDE 1851 string 1852 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1853 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1854 default "mach/uncompress.h" 1855 1856config EARLY_PRINTK 1857 bool "Early printk" 1858 depends on DEBUG_LL 1859 help 1860 Say Y here if you want to have an early console using the 1861 kernel low-level debugging functions. Add earlyprintk to your 1862 kernel parameters to enable this console. 1863 1864config ARM_KPROBES_TEST 1865 tristate "Kprobes test module" 1866 depends on KPROBES && MODULES 1867 help 1868 Perform tests of kprobes API and instruction set simulation. 1869 1870config PID_IN_CONTEXTIDR 1871 bool "Write the current PID to the CONTEXTIDR register" 1872 depends on CPU_COPY_V6 1873 help 1874 Enabling this option causes the kernel to write the current PID to 1875 the PROCID field of the CONTEXTIDR register, at the expense of some 1876 additional instructions during context switch. Say Y here only if you 1877 are planning to use hardware trace tools with this kernel. 1878 1879source "drivers/hwtracing/coresight/Kconfig" 1880