1# SPDX-License-Identifier: GPL-2.0 2menu "Kernel hacking" 3 4source "lib/Kconfig.debug" 5 6config ARM_PTDUMP_CORE 7 def_bool n 8 9config ARM_PTDUMP_DEBUGFS 10 bool "Export kernel pagetable layout to userspace via debugfs" 11 depends on DEBUG_KERNEL 12 depends on MMU 13 select ARM_PTDUMP_CORE 14 select DEBUG_FS 15 ---help--- 16 Say Y here if you want to show the kernel pagetable layout in a 17 debugfs file. This information is only useful for kernel developers 18 who are working in architecture specific areas of the kernel. 19 It is probably not a good idea to enable this feature in a production 20 kernel. 21 If in doubt, say "N" 22 23config DEBUG_WX 24 bool "Warn on W+X mappings at boot" 25 select ARM_PTDUMP_CORE 26 ---help--- 27 Generate a warning if any W+X mappings are found at boot. 28 29 This is useful for discovering cases where the kernel is leaving 30 W+X mappings after applying NX, as such mappings are a security risk. 31 32 Look for a message in dmesg output like this: 33 34 arm/mm: Checked W+X mappings: passed, no W+X pages found. 35 36 or like this, if the check failed: 37 38 arm/mm: Checked W+X mappings: FAILED, <N> W+X pages found. 39 40 Note that even if the check fails, your kernel is possibly 41 still fine, as W+X mappings are not a security hole in 42 themselves, what they do is that they make the exploitation 43 of other unfixed kernel bugs easier. 44 45 There is no runtime or memory usage effect of this option 46 once the kernel has booted up - it's a one time check. 47 48 If in doubt, say "Y". 49 50# RMK wants arm kernels compiled with frame pointers or stack unwinding. 51# If you know what you are doing and are willing to live without stack 52# traces, you can get a slightly smaller kernel by setting this option to 53# n, but then RMK will have to kill you ;). 54config FRAME_POINTER 55 bool 56 depends on !THUMB2_KERNEL 57 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER 58 help 59 If you say N here, the resulting kernel will be slightly smaller and 60 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, 61 when a problem occurs with the kernel, the information that is 62 reported is severely limited. 63 64config ARM_UNWIND 65 bool "Enable stack unwinding support (EXPERIMENTAL)" 66 depends on AEABI 67 default y 68 help 69 This option enables stack unwinding support in the kernel 70 using the information automatically generated by the 71 compiler. The resulting kernel image is slightly bigger but 72 the performance is not affected. Currently, this feature 73 only works with EABI compilers. If unsure say Y. 74 75config OLD_MCOUNT 76 bool 77 depends on FUNCTION_TRACER && FRAME_POINTER 78 default y 79 80config DEBUG_USER 81 bool "Verbose user fault messages" 82 help 83 When a user program crashes due to an exception, the kernel can 84 print a brief message explaining what the problem was. This is 85 sometimes helpful for debugging but serves no purpose on a 86 production system. Most people should say N here. 87 88 In addition, you need to pass user_debug=N on the kernel command 89 line to enable this feature. N consists of the sum of: 90 91 1 - undefined instruction events 92 2 - system calls 93 4 - invalid data aborts 94 8 - SIGSEGV faults 95 16 - SIGBUS faults 96 97# These options are only for real kernel hackers who want to get their hands dirty. 98config DEBUG_LL 99 bool "Kernel low-level debugging functions (read help!)" 100 depends on DEBUG_KERNEL 101 help 102 Say Y here to include definitions of printascii, printch, printhex 103 in the kernel. This is helpful if you are debugging code that 104 executes before the console is initialized. 105 106 Note that selecting this option will limit the kernel to a single 107 UART definition, as specified below. Attempting to boot the kernel 108 image on a different platform *will not work*, so this option should 109 not be enabled for kernels that are intended to be portable. 110 111choice 112 prompt "Kernel low-level debugging port" 113 depends on DEBUG_LL 114 115 config DEBUG_ALPINE_UART0 116 bool "Kernel low-level debugging messages via Alpine UART0" 117 depends on ARCH_ALPINE 118 select DEBUG_UART_8250 119 help 120 Say Y here if you want kernel low-level debugging support 121 on Alpine based platforms. 122 123 config DEBUG_ASM9260_UART 124 bool "Kernel low-level debugging via asm9260 UART" 125 depends on MACH_ASM9260 126 help 127 Say Y here if you want the debug print routines to direct 128 their output to an UART or USART port on asm9260 based 129 machines. 130 131 DEBUG_UART_PHYS | DEBUG_UART_VIRT 132 133 0x80000000 | 0xf0000000 | UART0 134 0x80004000 | 0xf0004000 | UART1 135 0x80008000 | 0xf0008000 | UART2 136 0x8000c000 | 0xf000c000 | UART3 137 0x80010000 | 0xf0010000 | UART4 138 0x80014000 | 0xf0014000 | UART5 139 0x80018000 | 0xf0018000 | UART6 140 0x8001c000 | 0xf001c000 | UART7 141 0x80020000 | 0xf0020000 | UART8 142 0x80024000 | 0xf0024000 | UART9 143 144 config DEBUG_AT91_RM9200_DBGU 145 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" 146 select DEBUG_AT91_UART 147 depends on SOC_AT91RM9200 || SOC_AT91SAM9 148 help 149 Say Y here if you want kernel low-level debugging support 150 on the DBGU port of: 151 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 152 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 153 154 config DEBUG_AT91_SAM9263_DBGU 155 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 156 select DEBUG_AT91_UART 157 depends on SOC_AT91SAM9 || SOC_SAMA5D3 158 help 159 Say Y here if you want kernel low-level debugging support 160 on the DBGU port of: 161 at91sam9263, at91sam9g45, at91sam9m10, 162 sama5d3 163 164 config DEBUG_AT91_SAMA5D2_UART1 165 bool "Kernel low-level debugging on SAMA5D2 UART1" 166 select DEBUG_AT91_UART 167 depends on SOC_SAMA5D2 168 help 169 Say Y here if you want kernel low-level debugging support 170 on the UART1 port of sama5d2. 171 172 config DEBUG_AT91_SAMA5D4_USART3 173 bool "Kernel low-level debugging on SAMA5D4 USART3" 174 select DEBUG_AT91_UART 175 depends on SOC_SAMA5D4 176 help 177 Say Y here if you want kernel low-level debugging support 178 on the USART3 port of sama5d4. 179 180 config DEBUG_AT91_SAMV7_USART1 181 bool "Kernel low-level debugging via SAMV7 USART1" 182 select DEBUG_AT91_UART 183 depends on SOC_SAMV7 184 help 185 Say Y here if you want the debug print routines to direct 186 their output to the USART1 port on SAMV7 based 187 machines. 188 189 config DEBUG_BCM2835 190 bool "Kernel low-level debugging on BCM2835 PL011 UART" 191 depends on ARCH_BCM2835 && ARCH_MULTI_V6 192 select DEBUG_UART_PL01X 193 194 config DEBUG_BCM2836 195 bool "Kernel low-level debugging on BCM2836 PL011 UART" 196 depends on ARCH_BCM2835 && ARCH_MULTI_V7 197 select DEBUG_UART_PL01X 198 199 config DEBUG_BCM_5301X 200 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 201 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 202 select DEBUG_UART_8250 203 204 config DEBUG_BCM_HR2 205 bool "Kernel low-level debugging on Hurricane 2 UART2" 206 depends on ARCH_BCM_HR2 207 select DEBUG_UART_8250 208 209 config DEBUG_BCM_KONA_UART 210 bool "Kernel low-level debugging messages via BCM KONA UART" 211 depends on ARCH_BCM_MOBILE 212 select DEBUG_UART_8250 213 help 214 Say Y here if you want kernel low-level debugging support 215 on Broadcom SoC platforms. 216 This low level debug works for Broadcom 217 mobile SoCs in the Kona family of chips (e.g. bcm28155, 218 bcm11351, etc...) 219 220 config DEBUG_BCM63XX_UART 221 bool "Kernel low-level debugging on BCM63XX UART" 222 depends on ARCH_BCM_63XX 223 224 config DEBUG_BERLIN_UART 225 bool "Marvell Berlin SoC Debug UART" 226 depends on ARCH_BERLIN 227 select DEBUG_UART_8250 228 help 229 Say Y here if you want kernel low-level debugging support 230 on Marvell Berlin SoC based platforms. 231 232 config DEBUG_BRCMSTB_UART 233 bool "Use BRCMSTB UART for low-level debug" 234 depends on ARCH_BRCMSTB 235 help 236 Say Y here if you want the debug print routines to direct 237 their output to the first serial port on these devices. The 238 UART physical and virtual address is automatically provided 239 based on the chip identification register value. 240 241 If you have a Broadcom STB chip and would like early print 242 messages to appear over the UART, select this option. 243 244 config DEBUG_CLPS711X_UART1 245 bool "Kernel low-level debugging messages via UART1" 246 depends on ARCH_CLPS711X 247 help 248 Say Y here if you want the debug print routines to direct 249 their output to the first serial port on these devices. 250 251 config DEBUG_CLPS711X_UART2 252 bool "Kernel low-level debugging messages via UART2" 253 depends on ARCH_CLPS711X 254 help 255 Say Y here if you want the debug print routines to direct 256 their output to the second serial port on these devices. 257 258 config DEBUG_CNS3XXX 259 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 260 depends on ARCH_CNS3XXX 261 select DEBUG_UART_8250 262 help 263 Say Y here if you want the debug print routines to direct 264 their output to the CNS3xxx UART0. 265 266 config DEBUG_DAVINCI_DA8XX_UART1 267 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 268 depends on ARCH_DAVINCI_DA8XX 269 select DEBUG_UART_8250 270 help 271 Say Y here if you want the debug print routines to direct 272 their output to UART1 serial port on DaVinci DA8XX devices. 273 274 config DEBUG_DAVINCI_DA8XX_UART2 275 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 276 depends on ARCH_DAVINCI_DA8XX 277 select DEBUG_UART_8250 278 help 279 Say Y here if you want the debug print routines to direct 280 their output to UART2 serial port on DaVinci DA8XX devices. 281 282 config DEBUG_DAVINCI_DMx_UART0 283 bool "Kernel low-level debugging on DaVinci DMx using UART0" 284 depends on ARCH_DAVINCI_DMx 285 select DEBUG_UART_8250 286 help 287 Say Y here if you want the debug print routines to direct 288 their output to UART0 serial port on DaVinci DMx devices. 289 290 config DEBUG_DC21285_PORT 291 bool "Kernel low-level debugging messages via footbridge serial port" 292 depends on FOOTBRIDGE 293 help 294 Say Y here if you want the debug print routines to direct 295 their output to the serial port in the DC21285 (Footbridge). 296 297 config DEBUG_DIGICOLOR_UA0 298 bool "Kernel low-level debugging messages via Digicolor UA0" 299 depends on ARCH_DIGICOLOR 300 help 301 Say Y here if you want the debug print routines to direct 302 their output to the UA0 serial port in the CX92755. 303 304 config DEBUG_EP93XX 305 bool "Kernel low-level debugging messages via ep93xx UART" 306 depends on ARCH_EP93XX 307 select DEBUG_UART_PL01X 308 help 309 Say Y here if you want kernel low-level debugging support 310 on Cirrus Logic EP93xx based platforms. 311 312 config DEBUG_FOOTBRIDGE_COM1 313 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 314 depends on FOOTBRIDGE 315 select DEBUG_UART_8250 316 help 317 Say Y here if you want the debug print routines to direct 318 their output to the 8250 at PCI COM1. 319 320 config DEBUG_GEMINI 321 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 322 depends on ARCH_GEMINI 323 select DEBUG_UART_8250 324 help 325 Say Y here if you want kernel low-level debugging support 326 on Cortina Gemini based platforms. 327 328 config DEBUG_HI3620_UART 329 bool "Hisilicon HI3620 Debug UART" 330 depends on ARCH_HI3xxx 331 select DEBUG_UART_PL01X 332 help 333 Say Y here if you want kernel low-level debugging support 334 on HI3620 UART. 335 336 config DEBUG_HIGHBANK_UART 337 bool "Kernel low-level debugging messages via Highbank UART" 338 depends on ARCH_HIGHBANK 339 select DEBUG_UART_PL01X 340 help 341 Say Y here if you want the debug print routines to direct 342 their output to the UART on Highbank based devices. 343 344 config DEBUG_HIP01_UART 345 bool "Hisilicon Hip01 Debug UART" 346 depends on ARCH_HIP01 347 select DEBUG_UART_8250 348 help 349 Say Y here if you want kernel low-level debugging support 350 on HIP01 UART. 351 352 config DEBUG_HIP04_UART 353 bool "Hisilicon HiP04 Debug UART" 354 depends on ARCH_HIP04 355 select DEBUG_UART_8250 356 help 357 Say Y here if you want kernel low-level debugging support 358 on HIP04 UART. 359 360 config DEBUG_HIX5HD2_UART 361 bool "Hisilicon Hix5hd2 Debug UART" 362 depends on ARCH_HIX5HD2 363 select DEBUG_UART_PL01X 364 help 365 Say Y here if you want kernel low-level debugging support 366 on Hix5hd2 UART. 367 368 config DEBUG_IMX1_UART 369 bool "i.MX1 Debug UART" 370 depends on SOC_IMX1 371 help 372 Say Y here if you want kernel low-level debugging support 373 on i.MX1. 374 375 config DEBUG_IMX23_UART 376 bool "i.MX23 Debug UART" 377 depends on SOC_IMX23 378 select DEBUG_UART_PL01X 379 help 380 Say Y here if you want kernel low-level debugging support 381 on i.MX23. 382 383 config DEBUG_IMX25_UART 384 bool "i.MX25 Debug UART" 385 depends on SOC_IMX25 386 help 387 Say Y here if you want kernel low-level debugging support 388 on i.MX25. 389 390 config DEBUG_IMX21_IMX27_UART 391 bool "i.MX21 and i.MX27 Debug UART" 392 depends on SOC_IMX21 || SOC_IMX27 393 help 394 Say Y here if you want kernel low-level debugging support 395 on i.MX21 or i.MX27. 396 397 config DEBUG_IMX28_UART 398 bool "i.MX28 Debug UART" 399 depends on SOC_IMX28 400 select DEBUG_UART_PL01X 401 help 402 Say Y here if you want kernel low-level debugging support 403 on i.MX28. 404 405 config DEBUG_IMX31_UART 406 bool "i.MX31 Debug UART" 407 depends on SOC_IMX31 408 help 409 Say Y here if you want kernel low-level debugging support 410 on i.MX31. 411 412 config DEBUG_IMX35_UART 413 bool "i.MX35 Debug UART" 414 depends on SOC_IMX35 415 help 416 Say Y here if you want kernel low-level debugging support 417 on i.MX35. 418 419 config DEBUG_IMX50_UART 420 bool "i.MX50 Debug UART" 421 depends on SOC_IMX50 422 help 423 Say Y here if you want kernel low-level debugging support 424 on i.MX50. 425 426 config DEBUG_IMX51_UART 427 bool "i.MX51 Debug UART" 428 depends on SOC_IMX51 429 help 430 Say Y here if you want kernel low-level debugging support 431 on i.MX51. 432 433 config DEBUG_IMX53_UART 434 bool "i.MX53 Debug UART" 435 depends on SOC_IMX53 436 help 437 Say Y here if you want kernel low-level debugging support 438 on i.MX53. 439 440 config DEBUG_IMX6Q_UART 441 bool "i.MX6Q/DL Debug UART" 442 depends on SOC_IMX6Q 443 help 444 Say Y here if you want kernel low-level debugging support 445 on i.MX6Q/DL. 446 447 config DEBUG_IMX6SL_UART 448 bool "i.MX6SL Debug UART" 449 depends on SOC_IMX6SL 450 help 451 Say Y here if you want kernel low-level debugging support 452 on i.MX6SL. 453 454 config DEBUG_IMX6SX_UART 455 bool "i.MX6SX Debug UART" 456 depends on SOC_IMX6SX 457 help 458 Say Y here if you want kernel low-level debugging support 459 on i.MX6SX. 460 461 config DEBUG_IMX6UL_UART 462 bool "i.MX6UL Debug UART" 463 depends on SOC_IMX6UL 464 help 465 Say Y here if you want kernel low-level debugging support 466 on i.MX6UL. 467 468 config DEBUG_IMX7D_UART 469 bool "i.MX7D Debug UART" 470 depends on SOC_IMX7D 471 help 472 Say Y here if you want kernel low-level debugging support 473 on i.MX7D. 474 475 config DEBUG_INTEGRATOR 476 bool "Kernel low-level debugging messages via ARM Integrator UART" 477 depends on ARCH_INTEGRATOR 478 select DEBUG_UART_PL01X 479 help 480 Say Y here if you want kernel low-level debugging support 481 on ARM Integrator platforms. 482 483 config DEBUG_KEYSTONE_UART0 484 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 485 depends on ARCH_KEYSTONE 486 select DEBUG_UART_8250 487 help 488 Say Y here if you want the debug print routines to direct 489 their output to UART0 serial port on KEYSTONE2 devices. 490 491 config DEBUG_KEYSTONE_UART1 492 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 493 depends on ARCH_KEYSTONE 494 select DEBUG_UART_8250 495 help 496 Say Y here if you want the debug print routines to direct 497 their output to UART1 serial port on KEYSTONE2 devices. 498 499 config DEBUG_KS8695_UART 500 bool "KS8695 Debug UART" 501 depends on ARCH_KS8695 502 help 503 Say Y here if you want kernel low-level debugging support 504 on KS8695. 505 506 config DEBUG_LPC18XX_UART0 507 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 508 depends on ARCH_LPC18XX 509 select DEBUG_UART_8250 510 help 511 Say Y here if you want kernel low-level debugging support 512 on NXP LPC18xx/43xx UART0. 513 514 config DEBUG_LPC32XX 515 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 516 depends on ARCH_LPC32XX 517 select DEBUG_UART_8250 518 help 519 Say Y here if you want kernel low-level debugging support 520 on NXP LPC32xx based platforms. 521 522 config DEBUG_MESON_UARTAO 523 bool "Kernel low-level debugging via Meson6 UARTAO" 524 depends on ARCH_MESON 525 help 526 Say Y here if you want kernel low-lever debugging support 527 on Amlogic Meson6 based platforms on the UARTAO. 528 529 config DEBUG_MMP_UART2 530 bool "Kernel low-level debugging message via MMP UART2" 531 depends on ARCH_MMP 532 select DEBUG_UART_8250 533 help 534 Say Y here if you want kernel low-level debugging support 535 on MMP UART2. 536 537 config DEBUG_MMP_UART3 538 bool "Kernel low-level debugging message via MMP UART3" 539 depends on ARCH_MMP 540 select DEBUG_UART_8250 541 help 542 Say Y here if you want kernel low-level debugging support 543 on MMP UART3. 544 545 config DEBUG_MVEBU_UART0 546 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 547 depends on ARCH_MVEBU 548 depends on ARCH_MVEBU && CPU_V7 549 select DEBUG_UART_8250 550 help 551 Say Y here if you want kernel low-level debugging support 552 on MVEBU based platforms on UART0. 553 554 This option should be used with the old bootloaders 555 that left the internal registers mapped at 556 0xd0000000. As of today, this is the case on 557 platforms such as the Globalscale Mirabox or the 558 Plathome OpenBlocks AX3, when using the original 559 bootloader. 560 561 This option will not work on older Marvell platforms 562 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 563 the "new bootloader" variant. 564 565 If the wrong DEBUG_MVEBU_UART* option is selected, 566 when u-boot hands over to the kernel, the system 567 silently crashes, with no serial output at all. 568 569 config DEBUG_MVEBU_UART0_ALTERNATE 570 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 571 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 572 select DEBUG_UART_8250 573 help 574 Say Y here if you want kernel low-level debugging support 575 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 576 Kirkwood, Dove, MV78xx0, Orion5x). 577 578 579 This option should be used with the new bootloaders 580 that remap the internal registers at 0xf1000000. 581 582 If the wrong DEBUG_MVEBU_UART* option is selected, 583 when u-boot hands over to the kernel, the system 584 silently crashes, with no serial output at all. 585 586 config DEBUG_MVEBU_UART1_ALTERNATE 587 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 588 depends on ARCH_MVEBU 589 select DEBUG_UART_8250 590 help 591 Say Y here if you want kernel low-level debugging support 592 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 593 Kirkwood, Dove, MV78xx0, Orion5x). 594 595 This option should be used with the new bootloaders 596 that remap the internal registers at 0xf1000000. 597 All of the older (pre Armada XP/370) platforms also use 598 this address, regardless of the boot loader version. 599 600 If the wrong DEBUG_MVEBU_UART* option is selected, 601 when u-boot hands over to the kernel, the system 602 silently crashes, with no serial output at all. 603 604 config DEBUG_MT6589_UART0 605 bool "Mediatek mt6589 UART0" 606 depends on ARCH_MEDIATEK 607 select DEBUG_UART_8250 608 help 609 Say Y here if you want kernel low-level debugging support 610 for Mediatek mt6589 based platforms on UART0. 611 612 config DEBUG_MT8127_UART0 613 bool "Mediatek mt8127/mt6592 UART0" 614 depends on ARCH_MEDIATEK 615 select DEBUG_UART_8250 616 help 617 Say Y here if you want kernel low-level debugging support 618 for Mediatek mt8127 based platforms on UART0. 619 620 config DEBUG_MT8135_UART3 621 bool "Mediatek mt8135 UART3" 622 depends on ARCH_MEDIATEK 623 select DEBUG_UART_8250 624 help 625 Say Y here if you want kernel low-level debugging support 626 for Mediatek mt8135 based platforms on UART3. 627 628 config DEBUG_NETX_UART 629 bool "Kernel low-level debugging messages via NetX UART" 630 depends on ARCH_NETX 631 help 632 Say Y here if you want kernel low-level debugging support 633 on Hilscher NetX based platforms. 634 635 config DEBUG_NOMADIK_UART 636 bool "Kernel low-level debugging messages via NOMADIK UART" 637 depends on ARCH_NOMADIK 638 select DEBUG_UART_PL01X 639 help 640 Say Y here if you want kernel low-level debugging support 641 on NOMADIK based platforms. 642 643 config DEBUG_NSPIRE_CLASSIC_UART 644 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 645 depends on ARCH_NSPIRE 646 select DEBUG_UART_8250 647 help 648 Say Y here if you want kernel low-level debugging support 649 on TI-NSPIRE classic models. 650 651 config DEBUG_NSPIRE_CX_UART 652 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 653 depends on ARCH_NSPIRE 654 select DEBUG_UART_PL01X 655 help 656 Say Y here if you want kernel low-level debugging support 657 on TI-NSPIRE CX models. 658 659 config DEBUG_OMAP1UART1 660 bool "Kernel low-level debugging via OMAP1 UART1" 661 depends on ARCH_OMAP1 662 select DEBUG_UART_8250 663 help 664 Say Y here if you want kernel low-level debugging support 665 on OMAP1 based platforms (except OMAP730) on the UART1. 666 667 config DEBUG_OMAP1UART2 668 bool "Kernel low-level debugging via OMAP1 UART2" 669 depends on ARCH_OMAP1 670 select DEBUG_UART_8250 671 help 672 Say Y here if you want kernel low-level debugging support 673 on OMAP1 based platforms (except OMAP730) on the UART2. 674 675 config DEBUG_OMAP1UART3 676 bool "Kernel low-level debugging via OMAP1 UART3" 677 depends on ARCH_OMAP1 678 select DEBUG_UART_8250 679 help 680 Say Y here if you want kernel low-level debugging support 681 on OMAP1 based platforms (except OMAP730) on the UART3. 682 683 config DEBUG_OMAP2UART1 684 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 685 depends on ARCH_OMAP2PLUS 686 select DEBUG_UART_8250 687 help 688 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 689 omap3 torpedo and 3530 lv som. 690 691 config DEBUG_OMAP2UART2 692 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 693 depends on ARCH_OMAP2PLUS 694 select DEBUG_UART_8250 695 696 config DEBUG_OMAP2UART3 697 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 698 depends on ARCH_OMAP2PLUS 699 select DEBUG_UART_8250 700 701 config DEBUG_OMAP3UART3 702 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 703 depends on ARCH_OMAP2PLUS 704 select DEBUG_UART_8250 705 help 706 This covers at least cm_t3x, beagle, crane, devkit8000, 707 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 708 and 3517evm. 709 710 config DEBUG_OMAP4UART3 711 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 712 depends on ARCH_OMAP2PLUS 713 select DEBUG_UART_8250 714 715 config DEBUG_OMAP3UART4 716 bool "Kernel low-level debugging messages via OMAP36XX UART4" 717 depends on ARCH_OMAP2PLUS 718 select DEBUG_UART_8250 719 720 config DEBUG_OMAP4UART4 721 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 722 depends on ARCH_OMAP2PLUS 723 select DEBUG_UART_8250 724 725 config DEBUG_OMAP7XXUART1 726 bool "Kernel low-level debugging via OMAP730 UART1" 727 depends on ARCH_OMAP730 728 select DEBUG_UART_8250 729 help 730 Say Y here if you want kernel low-level debugging support 731 on OMAP730 based platforms on the UART1. 732 733 config DEBUG_OMAP7XXUART2 734 bool "Kernel low-level debugging via OMAP730 UART2" 735 depends on ARCH_OMAP730 736 select DEBUG_UART_8250 737 help 738 Say Y here if you want kernel low-level debugging support 739 on OMAP730 based platforms on the UART2. 740 741 config DEBUG_OMAP7XXUART3 742 bool "Kernel low-level debugging via OMAP730 UART3" 743 depends on ARCH_OMAP730 744 select DEBUG_UART_8250 745 help 746 Say Y here if you want kernel low-level debugging support 747 on OMAP730 based platforms on the UART3. 748 749 config DEBUG_TI81XXUART1 750 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 751 depends on ARCH_OMAP2PLUS 752 select DEBUG_UART_8250 753 754 config DEBUG_TI81XXUART2 755 bool "Kernel low-level debugging messages via TI81XX UART2" 756 depends on ARCH_OMAP2PLUS 757 select DEBUG_UART_8250 758 759 config DEBUG_TI81XXUART3 760 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 761 depends on ARCH_OMAP2PLUS 762 select DEBUG_UART_8250 763 764 config DEBUG_AM33XXUART1 765 bool "Kernel low-level debugging messages via AM33XX UART1" 766 depends on ARCH_OMAP2PLUS 767 select DEBUG_UART_8250 768 769 config DEBUG_ZOOM_UART 770 bool "Kernel low-level debugging messages via Zoom2/3 UART" 771 depends on ARCH_OMAP2PLUS 772 select DEBUG_OMAP2PLUS_UART 773 774 config DEBUG_PICOXCELL_UART 775 depends on ARCH_PICOXCELL 776 bool "Use PicoXcell UART for low-level debug" 777 select DEBUG_UART_8250 778 help 779 Say Y here if you want kernel low-level debugging support 780 on PicoXcell based platforms. 781 782 config DEBUG_PXA_UART1 783 depends on ARCH_PXA 784 bool "Use PXA UART1 for low-level debug" 785 select DEBUG_UART_8250 786 help 787 Say Y here if you want kernel low-level debugging support 788 on PXA UART1. 789 790 config DEBUG_QCOM_UARTDM 791 bool "Kernel low-level debugging messages via QCOM UARTDM" 792 depends on ARCH_QCOM 793 help 794 Say Y here if you want the debug print routines to direct 795 their output to the serial port on Qualcomm devices. 796 797 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 798 APQ8064 0x16640000 0xf0040000 799 APQ8084 0xf995e000 0xfa75e000 800 IPQ4019 0x078af000 0xf78af000 801 MSM8X60 0x19c40000 0xf0040000 802 MSM8960 0x16440000 0xf0040000 803 MSM8974 0xf991e000 0xfa71e000 804 805 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 806 options based on your needs. 807 808 config DEBUG_REALVIEW_STD_PORT 809 bool "RealView Default UART" 810 depends on ARCH_REALVIEW 811 select DEBUG_UART_PL01X 812 help 813 Say Y here if you want the debug print routines to direct 814 their output to the serial port on RealView EB, PB11MP, PBA8 815 and PBX platforms. 816 817 config DEBUG_REALVIEW_PB1176_PORT 818 bool "RealView PB1176 UART" 819 depends on MACH_REALVIEW_PB1176 820 select DEBUG_UART_PL01X 821 help 822 Say Y here if you want the debug print routines to direct 823 their output to the standard serial port on the RealView 824 PB1176 platform. 825 826 config DEBUG_RV1108_UART0 827 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 828 depends on ARCH_ROCKCHIP 829 select DEBUG_UART_8250 830 help 831 Say Y here if you want kernel low-level debugging support 832 on Rockchip RV1108 based platforms. 833 834 config DEBUG_RV1108_UART1 835 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 836 depends on ARCH_ROCKCHIP 837 select DEBUG_UART_8250 838 help 839 Say Y here if you want kernel low-level debugging support 840 on Rockchip RV1108 based platforms. 841 842 config DEBUG_RV1108_UART2 843 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 844 depends on ARCH_ROCKCHIP 845 select DEBUG_UART_8250 846 help 847 Say Y here if you want kernel low-level debugging support 848 on Rockchip RV1108 based platforms. 849 850 config DEBUG_RK29_UART0 851 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 852 depends on ARCH_ROCKCHIP 853 select DEBUG_UART_8250 854 help 855 Say Y here if you want kernel low-level debugging support 856 on Rockchip based platforms. 857 858 config DEBUG_RK29_UART1 859 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 860 depends on ARCH_ROCKCHIP 861 select DEBUG_UART_8250 862 help 863 Say Y here if you want kernel low-level debugging support 864 on Rockchip based platforms. 865 866 config DEBUG_RK29_UART2 867 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 868 depends on ARCH_ROCKCHIP 869 select DEBUG_UART_8250 870 help 871 Say Y here if you want kernel low-level debugging support 872 on Rockchip based platforms. 873 874 config DEBUG_RK3X_UART0 875 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 876 depends on ARCH_ROCKCHIP 877 select DEBUG_UART_8250 878 help 879 Say Y here if you want kernel low-level debugging support 880 on Rockchip based platforms. 881 882 config DEBUG_RK3X_UART1 883 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 884 depends on ARCH_ROCKCHIP 885 select DEBUG_UART_8250 886 help 887 Say Y here if you want kernel low-level debugging support 888 on Rockchip based platforms. 889 890 config DEBUG_RK3X_UART2 891 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 892 depends on ARCH_ROCKCHIP 893 select DEBUG_UART_8250 894 help 895 Say Y here if you want kernel low-level debugging support 896 on Rockchip based platforms. 897 898 config DEBUG_RK3X_UART3 899 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 900 depends on ARCH_ROCKCHIP 901 select DEBUG_UART_8250 902 help 903 Say Y here if you want kernel low-level debugging support 904 on Rockchip based platforms. 905 906 config DEBUG_RK32_UART2 907 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 908 depends on ARCH_ROCKCHIP 909 select DEBUG_UART_8250 910 help 911 Say Y here if you want kernel low-level debugging support 912 on Rockchip RK32xx based platforms. 913 914 config DEBUG_R7S72100_SCIF2 915 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 916 depends on ARCH_R7S72100 917 help 918 Say Y here if you want kernel low-level debugging support 919 via SCIF2 on Renesas RZ/A1H (R7S72100). 920 921 config DEBUG_RCAR_GEN1_SCIF0 922 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 923 depends on ARCH_R8A7778 924 help 925 Say Y here if you want kernel low-level debugging support 926 via SCIF0 on Renesas R-Car M1A (R8A7778). 927 928 config DEBUG_RCAR_GEN1_SCIF2 929 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 930 depends on ARCH_R8A7779 931 help 932 Say Y here if you want kernel low-level debugging support 933 via SCIF2 on Renesas R-Car H1 (R8A7779). 934 935 config DEBUG_RCAR_GEN2_SCIF0 936 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 937 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 938 ARCH_R8A7792 || ARCH_R8A7793 939 help 940 Say Y here if you want kernel low-level debugging support 941 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 942 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 943 944 config DEBUG_RCAR_GEN2_SCIF2 945 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 946 depends on ARCH_R8A7794 947 help 948 Say Y here if you want kernel low-level debugging support 949 via SCIF2 on Renesas R-Car E2 (R8A7794). 950 951 config DEBUG_RCAR_GEN2_SCIF4 952 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 953 depends on ARCH_R8A7745 954 help 955 Say Y here if you want kernel low-level debugging support 956 via SCIF4 on Renesas RZ/G1E (R8A7745). 957 958 config DEBUG_RMOBILE_SCIFA0 959 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 960 depends on ARCH_R8A73A4 961 help 962 Say Y here if you want kernel low-level debugging support 963 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 964 965 config DEBUG_RMOBILE_SCIFA1 966 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 967 depends on ARCH_R8A7740 968 help 969 Say Y here if you want kernel low-level debugging support 970 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 971 972 config DEBUG_RMOBILE_SCIFA4 973 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 974 depends on ARCH_SH73A0 975 help 976 Say Y here if you want kernel low-level debugging support 977 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 978 979 config DEBUG_S3C_UART0 980 depends on PLAT_SAMSUNG 981 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 982 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 983 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 984 select DEBUG_S5PV210_UART if ARCH_S5PV210 985 bool "Use Samsung S3C UART 0 for low-level debug" 986 help 987 Say Y here if you want the debug print routines to direct 988 their output to UART 0. The port must have been initialised 989 by the boot-loader before use. 990 991 config DEBUG_S3C_UART1 992 depends on PLAT_SAMSUNG 993 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 994 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 995 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 996 select DEBUG_S5PV210_UART if ARCH_S5PV210 997 bool "Use Samsung S3C UART 1 for low-level debug" 998 help 999 Say Y here if you want the debug print routines to direct 1000 their output to UART 1. The port must have been initialised 1001 by the boot-loader before use. 1002 1003 config DEBUG_S3C_UART2 1004 depends on PLAT_SAMSUNG 1005 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1006 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1007 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1008 select DEBUG_S5PV210_UART if ARCH_S5PV210 1009 bool "Use Samsung S3C UART 2 for low-level debug" 1010 help 1011 Say Y here if you want the debug print routines to direct 1012 their output to UART 2. The port must have been initialised 1013 by the boot-loader before use. 1014 1015 config DEBUG_S3C_UART3 1016 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 1017 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1018 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1019 select DEBUG_S5PV210_UART if ARCH_S5PV210 1020 bool "Use Samsung S3C UART 3 for low-level debug" 1021 help 1022 Say Y here if you want the debug print routines to direct 1023 their output to UART 3. The port must have been initialised 1024 by the boot-loader before use. 1025 1026 config DEBUG_S3C2410_UART0 1027 depends on ARCH_S3C24XX 1028 select DEBUG_S3C2410_UART 1029 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1030 help 1031 Say Y here if you want the debug print routines to direct 1032 their output to UART 0. The port must have been initialised 1033 by the boot-loader before use. 1034 1035 config DEBUG_S3C2410_UART1 1036 depends on ARCH_S3C24XX 1037 select DEBUG_S3C2410_UART 1038 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1039 help 1040 Say Y here if you want the debug print routines to direct 1041 their output to UART 1. The port must have been initialised 1042 by the boot-loader before use. 1043 1044 config DEBUG_S3C2410_UART2 1045 depends on ARCH_S3C24XX 1046 select DEBUG_S3C2410_UART 1047 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1048 help 1049 Say Y here if you want the debug print routines to direct 1050 their output to UART 2. The port must have been initialised 1051 by the boot-loader before use. 1052 1053 config DEBUG_SA1100 1054 depends on ARCH_SA1100 1055 bool "Use SA1100 UARTs for low-level debug" 1056 help 1057 Say Y here if you want kernel low-level debugging support 1058 on SA-11x0 UART ports. The kernel will check for the first 1059 enabled UART in a sequence 3-1-2. 1060 1061 config DEBUG_SOCFPGA_UART0 1062 depends on ARCH_SOCFPGA 1063 bool "Use SOCFPGA UART0 for low-level debug" 1064 select DEBUG_UART_8250 1065 help 1066 Say Y here if you want kernel low-level debugging support 1067 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1068 1069 config DEBUG_SOCFPGA_UART1 1070 depends on ARCH_SOCFPGA 1071 bool "Use SOCFPGA UART1 for low-level debug" 1072 select DEBUG_UART_8250 1073 help 1074 Say Y here if you want kernel low-level debugging support 1075 on SOCFPGA(Arria 10) based platforms. 1076 1077 1078 config DEBUG_SUN9I_UART0 1079 bool "Kernel low-level debugging messages via sun9i UART0" 1080 depends on MACH_SUN9I 1081 select DEBUG_UART_8250 1082 help 1083 Say Y here if you want kernel low-level debugging support 1084 on Allwinner A80 based platforms on the UART0. 1085 1086 config DEBUG_SUNXI_UART0 1087 bool "Kernel low-level debugging messages via sunXi UART0" 1088 depends on ARCH_SUNXI 1089 select DEBUG_UART_8250 1090 help 1091 Say Y here if you want kernel low-level debugging support 1092 on Allwinner A1X based platforms on the UART0. 1093 1094 config DEBUG_SUNXI_UART1 1095 bool "Kernel low-level debugging messages via sunXi UART1" 1096 depends on ARCH_SUNXI 1097 select DEBUG_UART_8250 1098 help 1099 Say Y here if you want kernel low-level debugging support 1100 on Allwinner A1X based platforms on the UART1. 1101 1102 config DEBUG_SUNXI_R_UART 1103 bool "Kernel low-level debugging messages via sunXi R_UART" 1104 depends on MACH_SUN6I || MACH_SUN8I 1105 select DEBUG_UART_8250 1106 help 1107 Say Y here if you want kernel low-level debugging support 1108 on Allwinner A31/A23 based platforms on the R_UART. 1109 1110 config DEBUG_SIRFPRIMA2_UART1 1111 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1112 depends on ARCH_PRIMA2 1113 select DEBUG_SIRFSOC_UART 1114 help 1115 Say Y here if you want the debug print routines to direct 1116 their output to the uart1 port on SiRFprimaII devices. 1117 1118 config DEBUG_SIRFATLAS7_UART0 1119 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1120 depends on ARCH_ATLAS7 1121 select DEBUG_SIRFSOC_UART 1122 help 1123 Say Y here if you want the debug print routines to direct 1124 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1125 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1126 debug port can be very useful. 1127 1128 config DEBUG_SIRFATLAS7_UART1 1129 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1130 depends on ARCH_ATLAS7 1131 select DEBUG_SIRFSOC_UART 1132 help 1133 Say Y here if you want the debug print routines to direct 1134 their output to the uart1 port on SiRFATLAS7 devices. 1135 1136 config DEBUG_SPEAR3XX 1137 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1138 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1139 select DEBUG_UART_PL01X 1140 help 1141 Say Y here if you want kernel low-level debugging support 1142 on ST SPEAr based platforms. 1143 1144 config DEBUG_SPEAR13XX 1145 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1146 depends on ARCH_SPEAR13XX 1147 select DEBUG_UART_PL01X 1148 help 1149 Say Y here if you want kernel low-level debugging support 1150 on ST SPEAr13xx based platforms. 1151 1152 config STIH41X_DEBUG_ASC2 1153 bool "Use StiH415/416 ASC2 UART for low-level debug" 1154 depends on ARCH_STI 1155 select DEBUG_STI_UART 1156 help 1157 Say Y here if you want kernel low-level debugging support 1158 on STiH415/416 based platforms like b2000, which has 1159 default UART wired up to ASC2. 1160 1161 If unsure, say N. 1162 1163 config STIH41X_DEBUG_SBC_ASC1 1164 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1165 depends on ARCH_STI 1166 select DEBUG_STI_UART 1167 help 1168 Say Y here if you want kernel low-level debugging support 1169 on STiH415/416 based platforms like b2020. which has 1170 default UART wired up to SBC ASC1. 1171 1172 If unsure, say N. 1173 1174 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1175 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1176 depends on ARCH_TEGRA 1177 select DEBUG_TEGRA_UART 1178 help 1179 Automatically determines which UART to use for low-level 1180 debug based on the ODMDATA value. This value is part of 1181 the BCT, and is written to the boot memory device using 1182 nvflash, or other flashing tool. When bits 19:18 are 3, 1183 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1184 are UART A/B/C/D/E. 1185 1186 config TEGRA_DEBUG_UARTA 1187 bool "Kernel low-level debugging messages via Tegra UART A" 1188 depends on ARCH_TEGRA 1189 select DEBUG_TEGRA_UART 1190 help 1191 Say Y here if you want kernel low-level debugging support 1192 on Tegra based platforms. 1193 1194 config TEGRA_DEBUG_UARTB 1195 bool "Kernel low-level debugging messages via Tegra UART B" 1196 depends on ARCH_TEGRA 1197 select DEBUG_TEGRA_UART 1198 help 1199 Say Y here if you want kernel low-level debugging support 1200 on Tegra based platforms. 1201 1202 config TEGRA_DEBUG_UARTC 1203 bool "Kernel low-level debugging messages via Tegra UART C" 1204 depends on ARCH_TEGRA 1205 select DEBUG_TEGRA_UART 1206 help 1207 Say Y here if you want kernel low-level debugging support 1208 on Tegra based platforms. 1209 1210 config TEGRA_DEBUG_UARTD 1211 bool "Kernel low-level debugging messages via Tegra UART D" 1212 depends on ARCH_TEGRA 1213 select DEBUG_TEGRA_UART 1214 help 1215 Say Y here if you want kernel low-level debugging support 1216 on Tegra based platforms. 1217 1218 config TEGRA_DEBUG_UARTE 1219 bool "Kernel low-level debugging messages via Tegra UART E" 1220 depends on ARCH_TEGRA 1221 select DEBUG_TEGRA_UART 1222 help 1223 Say Y here if you want kernel low-level debugging support 1224 on Tegra based platforms. 1225 1226 config DEBUG_U300_UART 1227 bool "Kernel low-level debugging messages via U300 UART0" 1228 depends on ARCH_U300 1229 select DEBUG_UART_PL01X 1230 help 1231 Say Y here if you want the debug print routines to direct 1232 their output to the uart port on U300 devices. 1233 1234 config DEBUG_UX500_UART 1235 depends on ARCH_U8500 1236 bool "Use Ux500 UART for low-level debug" 1237 help 1238 Say Y here if you want kernel low-level debugging support 1239 on Ux500 based platforms. 1240 1241 config DEBUG_VERSATILE 1242 bool "Kernel low-level debugging messages via ARM Versatile UART" 1243 depends on ARCH_VERSATILE 1244 select DEBUG_UART_PL01X 1245 help 1246 Say Y here if you want kernel low-level debugging support 1247 on ARM Versatile platforms. 1248 1249 config DEBUG_VEXPRESS_UART0_DETECT 1250 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1251 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1252 help 1253 This option enables a simple heuristic which tries to determine 1254 the motherboard's memory map variant (original or RS1) and then 1255 choose the relevant UART0 base address. 1256 1257 Note that this will only work with standard A-class core tiles, 1258 and may fail with non-standard SMM or custom software models. 1259 1260 config DEBUG_VEXPRESS_UART0_CA9 1261 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1262 depends on ARCH_VEXPRESS 1263 select DEBUG_UART_PL01X 1264 help 1265 This option selects UART0 at 0x10009000. Except for custom models, 1266 this applies only to the V2P-CA9 tile. 1267 1268 config DEBUG_VEXPRESS_UART0_RS1 1269 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1270 depends on ARCH_VEXPRESS 1271 select DEBUG_UART_PL01X 1272 help 1273 This option selects UART0 at 0x1c090000. This applies to most 1274 of the tiles using the RS1 memory map, including all new A-class 1275 core tiles, FPGA-based SMMs and software models. 1276 1277 config DEBUG_VEXPRESS_UART0_CRX 1278 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1279 depends on ARCH_VEXPRESS && !MMU 1280 select DEBUG_UART_PL01X 1281 help 1282 This option selects UART0 at 0xb0090000. This is appropriate for 1283 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1284 1285 config DEBUG_VF_UART 1286 bool "Vybrid UART" 1287 depends on SOC_VF610 1288 help 1289 Say Y here if you want kernel low-level debugging support 1290 on Vybrid based platforms. 1291 1292 config DEBUG_VT8500_UART0 1293 bool "Use UART0 on VIA/Wondermedia SoCs" 1294 depends on ARCH_VT8500 1295 help 1296 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1297 devices, including VT8500, WM8505, WM8650 and WM8850. 1298 1299 config DEBUG_ZTE_ZX 1300 bool "Use ZTE ZX UART" 1301 select DEBUG_UART_PL01X 1302 depends on ARCH_ZX 1303 help 1304 Say Y here if you are enabling ZTE ZX296702 SOC and need 1305 debug uart support. 1306 1307 This option is preferred over the platform specific 1308 options; the platform specific options are deprecated 1309 and will be soon removed. 1310 1311 config DEBUG_ZYNQ_UART0 1312 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1313 depends on ARCH_ZYNQ 1314 help 1315 Say Y here if you want the debug print routines to direct 1316 their output to UART0 on the Zynq platform. 1317 1318 config DEBUG_ZYNQ_UART1 1319 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1320 depends on ARCH_ZYNQ 1321 help 1322 Say Y here if you want the debug print routines to direct 1323 their output to UART1 on the Zynq platform. 1324 1325 If you have a ZC702 board and want early boot messages to 1326 appear on the USB serial adaptor, select this option. 1327 1328 config DEBUG_ICEDCC 1329 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1330 help 1331 Say Y here if you want the debug print routines to direct 1332 their output to the EmbeddedICE macrocell's DCC channel using 1333 co-processor 14. This is known to work on the ARM9 style ICE 1334 channel and on the XScale with the PEEDI. 1335 1336 Note that the system will appear to hang during boot if there 1337 is nothing connected to read from the DCC. 1338 1339 config DEBUG_SEMIHOSTING 1340 bool "Kernel low-level debug output via semihosting I/O" 1341 help 1342 Semihosting enables code running on an ARM target to use 1343 the I/O facilities on a host debugger/emulator through a 1344 simple SVC call. The host debugger or emulator must have 1345 semihosting enabled for the special svc call to be trapped 1346 otherwise the kernel will crash. 1347 1348 This is known to work with OpenOCD, as well as 1349 ARM's Fast Models, or any other controlling environment 1350 that implements semihosting. 1351 1352 For more details about semihosting, please see 1353 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1354 1355 config DEBUG_LL_UART_8250 1356 bool "Kernel low-level debugging via 8250 UART" 1357 help 1358 Say Y here if you wish the debug print routes to direct 1359 their output to an 8250 UART. You can use this option 1360 to provide the parameters for the 8250 UART rather than 1361 selecting one of the platform specific options above if 1362 you know the parameters for the port. 1363 1364 This option is preferred over the platform specific 1365 options; the platform specific options are deprecated 1366 and will be soon removed. 1367 1368 config DEBUG_LL_UART_EFM32 1369 bool "Kernel low-level debugging via efm32 UART" 1370 depends on ARCH_EFM32 1371 help 1372 Say Y here if you want the debug print routines to direct 1373 their output to an UART or USART port on efm32 based 1374 machines. Use the following addresses for DEBUG_UART_PHYS: 1375 1376 0x4000c000 | USART0 1377 0x4000c400 | USART1 1378 0x4000c800 | USART2 1379 0x4000e000 | UART0 1380 0x4000e400 | UART1 1381 1382 config DEBUG_LL_UART_PL01X 1383 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1384 help 1385 Say Y here if you wish the debug print routes to direct 1386 their output to a PL01x Primecell UART. You can use 1387 this option to provide the parameters for the UART 1388 rather than selecting one of the platform specific 1389 options above if you know the parameters for the port. 1390 1391 This option is preferred over the platform specific 1392 options; the platform specific options are deprecated 1393 and will be soon removed. 1394 1395endchoice 1396 1397config DEBUG_AT91_UART 1398 bool 1399 depends on ARCH_AT91 1400 1401config DEBUG_EXYNOS_UART 1402 bool 1403 1404config DEBUG_S3C2410_UART 1405 bool 1406 select DEBUG_S3C24XX_UART 1407 1408config DEBUG_S3C24XX_UART 1409 bool 1410 1411config DEBUG_S3C64XX_UART 1412 bool 1413 1414config DEBUG_S5PV210_UART 1415 bool 1416 1417config DEBUG_OMAP2PLUS_UART 1418 bool 1419 depends on ARCH_OMAP2PLUS 1420 1421config DEBUG_IMX_UART_PORT 1422 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1423 DEBUG_IMX25_UART || \ 1424 DEBUG_IMX21_IMX27_UART || \ 1425 DEBUG_IMX31_UART || \ 1426 DEBUG_IMX35_UART || \ 1427 DEBUG_IMX50_UART || \ 1428 DEBUG_IMX51_UART || \ 1429 DEBUG_IMX53_UART || \ 1430 DEBUG_IMX6Q_UART || \ 1431 DEBUG_IMX6SL_UART || \ 1432 DEBUG_IMX6SX_UART || \ 1433 DEBUG_IMX6UL_UART || \ 1434 DEBUG_IMX7D_UART 1435 default 1 1436 depends on ARCH_MXC 1437 help 1438 Choose UART port on which kernel low-level debug messages 1439 should be output. 1440 1441config DEBUG_VF_UART_PORT 1442 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1443 default 1 1444 range 0 3 1445 depends on SOC_VF610 1446 help 1447 Choose UART port on which kernel low-level debug messages 1448 should be output. 1449 1450config DEBUG_TEGRA_UART 1451 bool 1452 depends on ARCH_TEGRA 1453 1454config DEBUG_STI_UART 1455 bool 1456 depends on ARCH_STI 1457 1458config DEBUG_SIRFSOC_UART 1459 bool 1460 depends on ARCH_SIRF 1461 1462config DEBUG_LL_INCLUDE 1463 string 1464 default "debug/sa1100.S" if DEBUG_SA1100 1465 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1466 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1467 default "debug/at91.S" if DEBUG_AT91_UART 1468 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1469 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1470 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1471 default "debug/meson.S" if DEBUG_MESON_UARTAO 1472 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1473 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1474 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1475 default "debug/icedcc.S" if DEBUG_ICEDCC 1476 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1477 DEBUG_IMX25_UART || \ 1478 DEBUG_IMX21_IMX27_UART || \ 1479 DEBUG_IMX31_UART || \ 1480 DEBUG_IMX35_UART || \ 1481 DEBUG_IMX50_UART || \ 1482 DEBUG_IMX51_UART || \ 1483 DEBUG_IMX53_UART ||\ 1484 DEBUG_IMX6Q_UART || \ 1485 DEBUG_IMX6SL_UART || \ 1486 DEBUG_IMX6SX_UART || \ 1487 DEBUG_IMX6UL_UART || \ 1488 DEBUG_IMX7D_UART 1489 default "debug/ks8695.S" if DEBUG_KS8695_UART 1490 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1491 default "debug/netx.S" if DEBUG_NETX_UART 1492 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1493 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1494 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1495 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1496 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1497 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1498 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1499 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1500 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1501 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1502 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1503 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1504 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1505 default "debug/sti.S" if DEBUG_STI_UART 1506 default "debug/tegra.S" if DEBUG_TEGRA_UART 1507 default "debug/ux500.S" if DEBUG_UX500_UART 1508 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1509 default "debug/vf.S" if DEBUG_VF_UART 1510 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1511 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1512 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1513 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1514 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1515 default "mach/debug-macro.S" 1516 1517# Compatibility options for PL01x 1518config DEBUG_UART_PL01X 1519 bool 1520 1521# Compatibility options for 8250 1522config DEBUG_UART_8250 1523 def_bool ARCH_EBSA110 || \ 1524 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1525 ARCH_RPC 1526 1527config DEBUG_UART_PHYS 1528 hex "Physical base address of debug UART" 1529 default 0x00100a00 if DEBUG_NETX_UART 1530 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1531 default 0x01c28000 if DEBUG_SUNXI_UART0 1532 default 0x01c28400 if DEBUG_SUNXI_UART1 1533 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1534 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1535 default 0x01f02800 if DEBUG_SUNXI_R_UART 1536 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1537 default 0x02531000 if DEBUG_KEYSTONE_UART1 1538 default 0x03010fe0 if ARCH_RPC 1539 default 0x07000000 if DEBUG_SUN9I_UART0 1540 default 0x09405000 if DEBUG_ZTE_ZX 1541 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1542 DEBUG_VEXPRESS_UART0_CA9 1543 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1544 default 0x10124000 if DEBUG_RK3X_UART0 1545 default 0x10126000 if DEBUG_RK3X_UART1 1546 default 0x101f1000 if DEBUG_VERSATILE 1547 default 0x101fb000 if DEBUG_NOMADIK_UART 1548 default 0x10210000 if DEBUG_RV1108_UART2 1549 default 0x10220000 if DEBUG_RV1108_UART1 1550 default 0x10230000 if DEBUG_RV1108_UART0 1551 default 0x11002000 if DEBUG_MT8127_UART0 1552 default 0x11006000 if DEBUG_MT6589_UART0 1553 default 0x11009000 if DEBUG_MT8135_UART3 1554 default 0x16000000 if DEBUG_INTEGRATOR 1555 default 0x18000300 if DEBUG_BCM_5301X 1556 default 0x18000400 if DEBUG_BCM_HR2 1557 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1558 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1559 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1560 default 0x20001000 if DEBUG_HIP01_UART 1561 default 0x20060000 if DEBUG_RK29_UART0 1562 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1563 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1564 default 0x20201000 if DEBUG_BCM2835 1565 default 0x3f201000 if DEBUG_BCM2836 1566 default 0x3e000000 if DEBUG_BCM_KONA_UART 1567 default 0x4000e400 if DEBUG_LL_UART_EFM32 1568 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1569 default 0x40081000 if DEBUG_LPC18XX_UART0 1570 default 0x40090000 if DEBUG_LPC32XX 1571 default 0x40100000 if DEBUG_PXA_UART1 1572 default 0x42000000 if DEBUG_GEMINI 1573 default 0x44e09000 if DEBUG_AM33XXUART1 1574 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1575 default 0x48022000 if DEBUG_TI81XXUART2 1576 default 0x48024000 if DEBUG_TI81XXUART3 1577 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1578 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1579 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1580 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1581 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1582 default 0x49020000 if DEBUG_OMAP3UART3 1583 default 0x49042000 if DEBUG_OMAP3UART4 1584 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1585 DEBUG_S3C2410_UART0) 1586 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1587 DEBUG_S3C2410_UART1) 1588 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1589 DEBUG_S3C2410_UART2) 1590 default 0x78000000 if DEBUG_CNS3XXX 1591 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1592 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1593 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1594 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1595 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1596 default 0x80010000 if DEBUG_ASM9260_UART 1597 default 0x80070000 if DEBUG_IMX23_UART 1598 default 0x80074000 if DEBUG_IMX28_UART 1599 default 0x80230000 if DEBUG_PICOXCELL_UART 1600 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1601 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1602 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1603 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1604 default 0xc0013000 if DEBUG_U300_UART 1605 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1606 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1607 default 0xd0000000 if DEBUG_SPEAR3XX 1608 default 0xd0012000 if DEBUG_MVEBU_UART0 1609 default 0xc81004c0 if DEBUG_MESON_UARTAO 1610 default 0xd4017000 if DEBUG_MMP_UART2 1611 default 0xd4018000 if DEBUG_MMP_UART3 1612 default 0xe0000000 if DEBUG_SPEAR13XX 1613 default 0xe4007000 if DEBUG_HIP04_UART 1614 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1615 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1616 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1617 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1618 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1619 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1620 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1621 default 0xf0000be0 if ARCH_EBSA110 1622 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1623 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1624 default 0xf7fc9000 if DEBUG_BERLIN_UART 1625 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1626 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1627 default 0xf991e000 if DEBUG_QCOM_UARTDM 1628 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1629 default 0xfcb00000 if DEBUG_HI3620_UART 1630 default 0xfd883000 if DEBUG_ALPINE_UART0 1631 default 0xfe800000 if ARCH_IOP32X 1632 default 0xff690000 if DEBUG_RK32_UART2 1633 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1634 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1635 default 0xffd82340 if ARCH_IOP13XX 1636 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1637 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1638 default 0xfff36000 if DEBUG_HIGHBANK_UART 1639 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1640 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1641 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1642 default 0xfffe8600 if DEBUG_BCM63XX_UART 1643 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1644 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1645 default 0xfffff700 if ARCH_IOP33X 1646 depends on ARCH_EP93XX || \ 1647 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1648 DEBUG_LL_UART_EFM32 || \ 1649 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1650 DEBUG_NETX_UART || \ 1651 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1652 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1653 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1654 DEBUG_RCAR_GEN2_SCIF4 || \ 1655 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1656 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1657 DEBUG_S3C64XX_UART || \ 1658 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1659 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1660 DEBUG_AT91_UART 1661 1662config DEBUG_UART_VIRT 1663 hex "Virtual base address of debug UART" 1664 default 0xc881f000 if DEBUG_RV1108_UART2 1665 default 0xc8821000 if DEBUG_RV1108_UART1 1666 default 0xc8912000 if DEBUG_RV1108_UART0 1667 default 0xe0000a00 if DEBUG_NETX_UART 1668 default 0xe0010fe0 if ARCH_RPC 1669 default 0xf0000be0 if ARCH_EBSA110 1670 default 0xf0010000 if DEBUG_ASM9260_UART 1671 default 0xf01fb000 if DEBUG_NOMADIK_UART 1672 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1673 default 0xf1000300 if DEBUG_BCM_5301X 1674 default 0xf1000400 if DEBUG_BCM_HR2 1675 default 0xf1002000 if DEBUG_MT8127_UART0 1676 default 0xf1006000 if DEBUG_MT6589_UART0 1677 default 0xf1009000 if DEBUG_MT8135_UART3 1678 default 0xf11f1000 if DEBUG_VERSATILE 1679 default 0xf1600000 if DEBUG_INTEGRATOR 1680 default 0xf1c28000 if DEBUG_SUNXI_UART0 1681 default 0xf1c28400 if DEBUG_SUNXI_UART1 1682 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1683 default 0xf31004c0 if DEBUG_MESON_UARTAO 1684 default 0xf4090000 if DEBUG_LPC32XX 1685 default 0xf4200000 if DEBUG_GEMINI 1686 default 0xf6200000 if DEBUG_PXA_UART1 1687 default 0xf7000000 if DEBUG_SUN9I_UART0 1688 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1689 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1690 DEBUG_S3C2410_UART0) 1691 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1692 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1693 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1694 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1695 DEBUG_S3C2410_UART1) 1696 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1697 DEBUG_S3C2410_UART2) 1698 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1699 default 0xf7fc9000 if DEBUG_BERLIN_UART 1700 default 0xf8007000 if DEBUG_HIP04_UART 1701 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1702 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1703 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1704 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1705 default 0xf9e09000 if DEBUG_AM33XXUART1 1706 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1707 default 0xfa022000 if DEBUG_TI81XXUART2 1708 default 0xfa024000 if DEBUG_TI81XXUART3 1709 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1710 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1711 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1712 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1713 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1714 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1715 default 0xfb002000 if DEBUG_CNS3XXX 1716 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1717 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1718 default 0xfb020000 if DEBUG_OMAP3UART3 1719 default 0xfb042000 if DEBUG_OMAP3UART4 1720 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1721 default 0xfc705000 if DEBUG_ZTE_ZX 1722 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1723 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1724 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1725 default 0xfd883000 if DEBUG_ALPINE_UART0 1726 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1727 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1728 default 0xfe017000 if DEBUG_MMP_UART2 1729 default 0xfe018000 if DEBUG_MMP_UART3 1730 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1731 default 0xfe230000 if DEBUG_PICOXCELL_UART 1732 default 0xfe300000 if DEBUG_BCM_KONA_UART 1733 default 0xfe800000 if ARCH_IOP32X 1734 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1735 default 0xfeb24000 if DEBUG_RK3X_UART0 1736 default 0xfeb26000 if DEBUG_RK3X_UART1 1737 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1738 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1739 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1740 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1741 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1742 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1743 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1744 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1745 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1746 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1747 default 0xfec90000 if DEBUG_RK32_UART2 1748 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1749 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1750 default 0xfed60000 if DEBUG_RK29_UART0 1751 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1752 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1753 default 0xfedc0000 if DEBUG_EP93XX 1754 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1755 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1756 default 0xfee82340 if ARCH_IOP13XX 1757 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1758 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1759 default 0xfef36000 if DEBUG_HIGHBANK_UART 1760 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1761 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1762 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1763 default 0xfefff700 if ARCH_IOP33X 1764 default 0xff003000 if DEBUG_U300_UART 1765 default 0xffd01000 if DEBUG_HIP01_UART 1766 default DEBUG_UART_PHYS if !MMU 1767 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1768 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1769 DEBUG_NETX_UART || \ 1770 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1771 DEBUG_S3C64XX_UART || \ 1772 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1773 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1774 DEBUG_AT91_UART 1775 1776config DEBUG_UART_8250_SHIFT 1777 int "Register offset shift for the 8250 debug UART" 1778 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1779 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1780 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1781 DEBUG_OMAP7XXUART3 1782 default 2 1783 1784config DEBUG_UART_8250_WORD 1785 bool "Use 32-bit accesses for 8250 UART" 1786 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1787 depends on DEBUG_UART_8250_SHIFT >= 2 1788 default y if DEBUG_PICOXCELL_UART || \ 1789 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1790 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1791 DEBUG_ALPINE_UART0 || \ 1792 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1793 DEBUG_DAVINCI_DA8XX_UART2 || \ 1794 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1795 1796config DEBUG_UART_8250_PALMCHIP 1797 bool "8250 UART is Palmchip BK-310x" 1798 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1799 help 1800 Palmchip provides a UART implementation compatible with 16550 1801 except for having a different register layout. Say Y here if 1802 the debug UART is of this type. 1803 1804config DEBUG_UART_8250_FLOW_CONTROL 1805 bool "Enable flow control for 8250 UART" 1806 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1807 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1808 1809config DEBUG_UNCOMPRESS 1810 bool "Enable decompressor debugging via DEBUG_LL output" 1811 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1812 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1813 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1814 !DEBUG_BRCMSTB_UART 1815 help 1816 This option influences the normal decompressor output for 1817 multiplatform kernels. Normally, multiplatform kernels disable 1818 decompressor output because it is not possible to know where to 1819 send the decompressor output. 1820 1821 When this option is set, the selected DEBUG_LL output method 1822 will be re-used for normal decompressor output on multiplatform 1823 kernels. 1824 1825 1826config UNCOMPRESS_INCLUDE 1827 string 1828 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1829 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1830 default "mach/uncompress.h" 1831 1832config EARLY_PRINTK 1833 bool "Early printk" 1834 depends on DEBUG_LL 1835 help 1836 Say Y here if you want to have an early console using the 1837 kernel low-level debugging functions. Add earlyprintk to your 1838 kernel parameters to enable this console. 1839 1840config ARM_KPROBES_TEST 1841 tristate "Kprobes test module" 1842 depends on KPROBES && MODULES 1843 help 1844 Perform tests of kprobes API and instruction set simulation. 1845 1846config PID_IN_CONTEXTIDR 1847 bool "Write the current PID to the CONTEXTIDR register" 1848 depends on CPU_COPY_V6 1849 help 1850 Enabling this option causes the kernel to write the current PID to 1851 the PROCID field of the CONTEXTIDR register, at the expense of some 1852 additional instructions during context switch. Say Y here only if you 1853 are planning to use hardware trace tools with this kernel. 1854 1855source "drivers/hwtracing/coresight/Kconfig" 1856 1857endmenu 1858