1# SPDX-License-Identifier: GPL-2.0 2 3config ARM_PTDUMP_CORE 4 def_bool n 5 6config ARM_PTDUMP_DEBUGFS 7 bool "Export kernel pagetable layout to userspace via debugfs" 8 depends on DEBUG_KERNEL 9 depends on MMU 10 select ARM_PTDUMP_CORE 11 select DEBUG_FS 12 ---help--- 13 Say Y here if you want to show the kernel pagetable layout in a 14 debugfs file. This information is only useful for kernel developers 15 who are working in architecture specific areas of the kernel. 16 It is probably not a good idea to enable this feature in a production 17 kernel. 18 If in doubt, say "N" 19 20config DEBUG_WX 21 bool "Warn on W+X mappings at boot" 22 depends on MMU 23 select ARM_PTDUMP_CORE 24 ---help--- 25 Generate a warning if any W+X mappings are found at boot. 26 27 This is useful for discovering cases where the kernel is leaving 28 W+X mappings after applying NX, as such mappings are a security risk. 29 30 Look for a message in dmesg output like this: 31 32 arm/mm: Checked W+X mappings: passed, no W+X pages found. 33 34 or like this, if the check failed: 35 36 arm/mm: Checked W+X mappings: FAILED, <N> W+X pages found. 37 38 Note that even if the check fails, your kernel is possibly 39 still fine, as W+X mappings are not a security hole in 40 themselves, what they do is that they make the exploitation 41 of other unfixed kernel bugs easier. 42 43 There is no runtime or memory usage effect of this option 44 once the kernel has booted up - it's a one time check. 45 46 If in doubt, say "Y". 47 48choice 49 prompt "Choose kernel unwinder" 50 default UNWINDER_ARM if AEABI 51 default UNWINDER_FRAME_POINTER if !AEABI 52 help 53 This determines which method will be used for unwinding kernel stack 54 traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, 55 livepatch, lockdep, and more. 56 57config UNWINDER_FRAME_POINTER 58 bool "Frame pointer unwinder" 59 depends on !THUMB2_KERNEL 60 select ARCH_WANT_FRAME_POINTERS 61 select FRAME_POINTER 62 help 63 This option enables the frame pointer unwinder for unwinding 64 kernel stack traces. 65 66config UNWINDER_ARM 67 bool "ARM EABI stack unwinder" 68 depends on AEABI && !FUNCTION_GRAPH_TRACER 69 select ARM_UNWIND 70 help 71 This option enables stack unwinding support in the kernel 72 using the information automatically generated by the 73 compiler. The resulting kernel image is slightly bigger but 74 the performance is not affected. Currently, this feature 75 only works with EABI compilers. 76 77endchoice 78 79config ARM_UNWIND 80 bool 81 82config FRAME_POINTER 83 bool 84 85config DEBUG_USER 86 bool "Verbose user fault messages" 87 help 88 When a user program crashes due to an exception, the kernel can 89 print a brief message explaining what the problem was. This is 90 sometimes helpful for debugging but serves no purpose on a 91 production system. Most people should say N here. 92 93 In addition, you need to pass user_debug=N on the kernel command 94 line to enable this feature. N consists of the sum of: 95 96 1 - undefined instruction events 97 2 - system calls 98 4 - invalid data aborts 99 8 - SIGSEGV faults 100 16 - SIGBUS faults 101 102# These options are only for real kernel hackers who want to get their hands dirty. 103config DEBUG_LL 104 bool "Kernel low-level debugging functions (read help!)" 105 depends on DEBUG_KERNEL 106 help 107 Say Y here to include definitions of printascii, printch, printhex 108 in the kernel. This is helpful if you are debugging code that 109 executes before the console is initialized. 110 111 Note that selecting this option will limit the kernel to a single 112 UART definition, as specified below. Attempting to boot the kernel 113 image on a different platform *will not work*, so this option should 114 not be enabled for kernels that are intended to be portable. 115 116choice 117 prompt "Kernel low-level debugging port" 118 depends on DEBUG_LL 119 120 config DEBUG_ALPINE_UART0 121 bool "Kernel low-level debugging messages via Alpine UART0" 122 depends on ARCH_ALPINE 123 select DEBUG_UART_8250 124 help 125 Say Y here if you want kernel low-level debugging support 126 on Alpine based platforms. 127 128 config DEBUG_ASM9260_UART 129 bool "Kernel low-level debugging via asm9260 UART" 130 depends on MACH_ASM9260 131 help 132 Say Y here if you want the debug print routines to direct 133 their output to an UART or USART port on asm9260 based 134 machines. 135 136 DEBUG_UART_PHYS | DEBUG_UART_VIRT 137 138 0x80000000 | 0xf0000000 | UART0 139 0x80004000 | 0xf0004000 | UART1 140 0x80008000 | 0xf0008000 | UART2 141 0x8000c000 | 0xf000c000 | UART3 142 0x80010000 | 0xf0010000 | UART4 143 0x80014000 | 0xf0014000 | UART5 144 0x80018000 | 0xf0018000 | UART6 145 0x8001c000 | 0xf001c000 | UART7 146 0x80020000 | 0xf0020000 | UART8 147 0x80024000 | 0xf0024000 | UART9 148 149 config DEBUG_AT91_RM9200_DBGU 150 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 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_LPC18XX_UART0 513 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 514 depends on ARCH_LPC18XX 515 select DEBUG_UART_8250 516 help 517 Say Y here if you want kernel low-level debugging support 518 on NXP LPC18xx/43xx UART0. 519 520 config DEBUG_LPC32XX 521 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 522 depends on ARCH_LPC32XX 523 select DEBUG_UART_8250 524 help 525 Say Y here if you want kernel low-level debugging support 526 on NXP LPC32xx based platforms. 527 528 config DEBUG_MESON_UARTAO 529 bool "Kernel low-level debugging via Meson6 UARTAO" 530 depends on ARCH_MESON 531 help 532 Say Y here if you want kernel low-lever debugging support 533 on Amlogic Meson6 based platforms on the UARTAO. 534 535 config DEBUG_MMP_UART2 536 bool "Kernel low-level debugging message via MMP UART2" 537 depends on ARCH_MMP 538 select DEBUG_UART_8250 539 help 540 Say Y here if you want kernel low-level debugging support 541 on MMP UART2. 542 543 config DEBUG_MMP_UART3 544 bool "Kernel low-level debugging message via MMP UART3" 545 depends on ARCH_MMP 546 select DEBUG_UART_8250 547 help 548 Say Y here if you want kernel low-level debugging support 549 on MMP UART3. 550 551 config DEBUG_MVEBU_UART0 552 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 553 depends on ARCH_MVEBU 554 depends on ARCH_MVEBU && CPU_V7 555 select DEBUG_UART_8250 556 help 557 Say Y here if you want kernel low-level debugging support 558 on MVEBU based platforms on UART0. 559 560 This option should be used with the old bootloaders 561 that left the internal registers mapped at 562 0xd0000000. As of today, this is the case on 563 platforms such as the Globalscale Mirabox or the 564 Plathome OpenBlocks AX3, when using the original 565 bootloader. 566 567 This option will not work on older Marvell platforms 568 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 569 the "new bootloader" variant. 570 571 If the wrong DEBUG_MVEBU_UART* option is selected, 572 when u-boot hands over to the kernel, the system 573 silently crashes, with no serial output at all. 574 575 config DEBUG_MVEBU_UART0_ALTERNATE 576 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 577 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 578 select DEBUG_UART_8250 579 help 580 Say Y here if you want kernel low-level debugging support 581 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 582 Kirkwood, Dove, MV78xx0, Orion5x). 583 584 585 This option should be used with the new bootloaders 586 that remap the internal registers at 0xf1000000. 587 588 If the wrong DEBUG_MVEBU_UART* option is selected, 589 when u-boot hands over to the kernel, the system 590 silently crashes, with no serial output at all. 591 592 config DEBUG_MVEBU_UART1_ALTERNATE 593 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 594 depends on ARCH_MVEBU 595 select DEBUG_UART_8250 596 help 597 Say Y here if you want kernel low-level debugging support 598 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 599 Kirkwood, Dove, MV78xx0, Orion5x). 600 601 This option should be used with the new bootloaders 602 that remap the internal registers at 0xf1000000. 603 All of the older (pre Armada XP/370) platforms also use 604 this address, regardless of the boot loader version. 605 606 If the wrong DEBUG_MVEBU_UART* option is selected, 607 when u-boot hands over to the kernel, the system 608 silently crashes, with no serial output at all. 609 610 config DEBUG_MT6589_UART0 611 bool "Mediatek mt6589 UART0" 612 depends on ARCH_MEDIATEK 613 select DEBUG_UART_8250 614 help 615 Say Y here if you want kernel low-level debugging support 616 for Mediatek mt6589 based platforms on UART0. 617 618 config DEBUG_MT8127_UART0 619 bool "Mediatek mt8127/mt6592 UART0" 620 depends on ARCH_MEDIATEK 621 select DEBUG_UART_8250 622 help 623 Say Y here if you want kernel low-level debugging support 624 for Mediatek mt8127 based platforms on UART0. 625 626 config DEBUG_MT8135_UART3 627 bool "Mediatek mt8135 UART3" 628 depends on ARCH_MEDIATEK 629 select DEBUG_UART_8250 630 help 631 Say Y here if you want kernel low-level debugging support 632 for Mediatek mt8135 based platforms on UART3. 633 634 config DEBUG_NOMADIK_UART 635 bool "Kernel low-level debugging messages via NOMADIK UART" 636 depends on ARCH_NOMADIK 637 select DEBUG_UART_PL01X 638 help 639 Say Y here if you want kernel low-level debugging support 640 on NOMADIK based platforms. 641 642 config DEBUG_NSPIRE_CLASSIC_UART 643 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 644 depends on ARCH_NSPIRE 645 select DEBUG_UART_8250 646 help 647 Say Y here if you want kernel low-level debugging support 648 on TI-NSPIRE classic models. 649 650 config DEBUG_NSPIRE_CX_UART 651 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 652 depends on ARCH_NSPIRE 653 select DEBUG_UART_PL01X 654 help 655 Say Y here if you want kernel low-level debugging support 656 on TI-NSPIRE CX models. 657 658 config DEBUG_OMAP1UART1 659 bool "Kernel low-level debugging via OMAP1 UART1" 660 depends on ARCH_OMAP1 661 select DEBUG_UART_8250 662 help 663 Say Y here if you want kernel low-level debugging support 664 on OMAP1 based platforms (except OMAP730) on the UART1. 665 666 config DEBUG_OMAP1UART2 667 bool "Kernel low-level debugging via OMAP1 UART2" 668 depends on ARCH_OMAP1 669 select DEBUG_UART_8250 670 help 671 Say Y here if you want kernel low-level debugging support 672 on OMAP1 based platforms (except OMAP730) on the UART2. 673 674 config DEBUG_OMAP1UART3 675 bool "Kernel low-level debugging via OMAP1 UART3" 676 depends on ARCH_OMAP1 677 select DEBUG_UART_8250 678 help 679 Say Y here if you want kernel low-level debugging support 680 on OMAP1 based platforms (except OMAP730) on the UART3. 681 682 config DEBUG_OMAP2UART1 683 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 684 depends on ARCH_OMAP2PLUS 685 select DEBUG_UART_8250 686 help 687 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 688 omap3 torpedo and 3530 lv som. 689 690 config DEBUG_OMAP2UART2 691 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 692 depends on ARCH_OMAP2PLUS 693 select DEBUG_UART_8250 694 695 config DEBUG_OMAP2UART3 696 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 697 depends on ARCH_OMAP2PLUS 698 select DEBUG_UART_8250 699 700 config DEBUG_OMAP3UART3 701 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 702 depends on ARCH_OMAP2PLUS 703 select DEBUG_UART_8250 704 help 705 This covers at least cm_t3x, beagle, crane, devkit8000, 706 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 707 and 3517evm. 708 709 config DEBUG_OMAP4UART3 710 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 711 depends on ARCH_OMAP2PLUS 712 select DEBUG_UART_8250 713 714 config DEBUG_OMAP3UART4 715 bool "Kernel low-level debugging messages via OMAP36XX UART4" 716 depends on ARCH_OMAP2PLUS 717 select DEBUG_UART_8250 718 719 config DEBUG_OMAP4UART4 720 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 721 depends on ARCH_OMAP2PLUS 722 select DEBUG_UART_8250 723 724 config DEBUG_OMAP7XXUART1 725 bool "Kernel low-level debugging via OMAP730 UART1" 726 depends on ARCH_OMAP730 727 select DEBUG_UART_8250 728 help 729 Say Y here if you want kernel low-level debugging support 730 on OMAP730 based platforms on the UART1. 731 732 config DEBUG_OMAP7XXUART2 733 bool "Kernel low-level debugging via OMAP730 UART2" 734 depends on ARCH_OMAP730 735 select DEBUG_UART_8250 736 help 737 Say Y here if you want kernel low-level debugging support 738 on OMAP730 based platforms on the UART2. 739 740 config DEBUG_OMAP7XXUART3 741 bool "Kernel low-level debugging via OMAP730 UART3" 742 depends on ARCH_OMAP730 743 select DEBUG_UART_8250 744 help 745 Say Y here if you want kernel low-level debugging support 746 on OMAP730 based platforms on the UART3. 747 748 config DEBUG_TI81XXUART1 749 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 750 depends on ARCH_OMAP2PLUS 751 select DEBUG_UART_8250 752 753 config DEBUG_TI81XXUART2 754 bool "Kernel low-level debugging messages via TI81XX UART2" 755 depends on ARCH_OMAP2PLUS 756 select DEBUG_UART_8250 757 758 config DEBUG_TI81XXUART3 759 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 760 depends on ARCH_OMAP2PLUS 761 select DEBUG_UART_8250 762 763 config DEBUG_AM33XXUART1 764 bool "Kernel low-level debugging messages via AM33XX UART1" 765 depends on ARCH_OMAP2PLUS 766 select DEBUG_UART_8250 767 768 config DEBUG_ZOOM_UART 769 bool "Kernel low-level debugging messages via Zoom2/3 UART" 770 depends on ARCH_OMAP2PLUS 771 select DEBUG_OMAP2PLUS_UART 772 773 config DEBUG_PICOXCELL_UART 774 depends on ARCH_PICOXCELL 775 bool "Use PicoXcell UART for low-level debug" 776 select DEBUG_UART_8250 777 help 778 Say Y here if you want kernel low-level debugging support 779 on PicoXcell based platforms. 780 781 config DEBUG_PXA_UART1 782 depends on ARCH_PXA 783 bool "Use PXA UART1 for low-level debug" 784 select DEBUG_UART_8250 785 help 786 Say Y here if you want kernel low-level debugging support 787 on PXA UART1. 788 789 config DEBUG_QCOM_UARTDM 790 bool "Kernel low-level debugging messages via QCOM UARTDM" 791 depends on ARCH_QCOM 792 help 793 Say Y here if you want the debug print routines to direct 794 their output to the serial port on Qualcomm devices. 795 796 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 797 APQ8064 0x16640000 0xf0040000 798 APQ8084 0xf995e000 0xfa75e000 799 IPQ4019 0x078af000 0xf78af000 800 MSM8X60 0x19c40000 0xf0040000 801 MSM8960 0x16440000 0xf0040000 802 MSM8974 0xf991e000 0xfa71e000 803 804 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 805 options based on your needs. 806 807 config DEBUG_REALVIEW_STD_PORT 808 bool "RealView Default UART" 809 depends on ARCH_REALVIEW 810 select DEBUG_UART_PL01X 811 help 812 Say Y here if you want the debug print routines to direct 813 their output to the serial port on RealView EB, PB11MP, PBA8 814 and PBX platforms. 815 816 config DEBUG_REALVIEW_PB1176_PORT 817 bool "RealView PB1176 UART" 818 depends on MACH_REALVIEW_PB1176 819 select DEBUG_UART_PL01X 820 help 821 Say Y here if you want the debug print routines to direct 822 their output to the standard serial port on the RealView 823 PB1176 platform. 824 825 config DEBUG_RV1108_UART0 826 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 827 depends on ARCH_ROCKCHIP 828 select DEBUG_UART_8250 829 help 830 Say Y here if you want kernel low-level debugging support 831 on Rockchip RV1108 based platforms. 832 833 config DEBUG_RV1108_UART1 834 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 835 depends on ARCH_ROCKCHIP 836 select DEBUG_UART_8250 837 help 838 Say Y here if you want kernel low-level debugging support 839 on Rockchip RV1108 based platforms. 840 841 config DEBUG_RV1108_UART2 842 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 843 depends on ARCH_ROCKCHIP 844 select DEBUG_UART_8250 845 help 846 Say Y here if you want kernel low-level debugging support 847 on Rockchip RV1108 based platforms. 848 849 config DEBUG_RK29_UART0 850 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 851 depends on ARCH_ROCKCHIP 852 select DEBUG_UART_8250 853 help 854 Say Y here if you want kernel low-level debugging support 855 on Rockchip based platforms. 856 857 config DEBUG_RK29_UART1 858 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 859 depends on ARCH_ROCKCHIP 860 select DEBUG_UART_8250 861 help 862 Say Y here if you want kernel low-level debugging support 863 on Rockchip based platforms. 864 865 config DEBUG_RK29_UART2 866 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 867 depends on ARCH_ROCKCHIP 868 select DEBUG_UART_8250 869 help 870 Say Y here if you want kernel low-level debugging support 871 on Rockchip based platforms. 872 873 config DEBUG_RK3X_UART0 874 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 875 depends on ARCH_ROCKCHIP 876 select DEBUG_UART_8250 877 help 878 Say Y here if you want kernel low-level debugging support 879 on Rockchip based platforms. 880 881 config DEBUG_RK3X_UART1 882 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 883 depends on ARCH_ROCKCHIP 884 select DEBUG_UART_8250 885 help 886 Say Y here if you want kernel low-level debugging support 887 on Rockchip based platforms. 888 889 config DEBUG_RK3X_UART2 890 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 891 depends on ARCH_ROCKCHIP 892 select DEBUG_UART_8250 893 help 894 Say Y here if you want kernel low-level debugging support 895 on Rockchip based platforms. 896 897 config DEBUG_RK3X_UART3 898 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 899 depends on ARCH_ROCKCHIP 900 select DEBUG_UART_8250 901 help 902 Say Y here if you want kernel low-level debugging support 903 on Rockchip based platforms. 904 905 config DEBUG_RK32_UART2 906 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 907 depends on ARCH_ROCKCHIP 908 select DEBUG_UART_8250 909 help 910 Say Y here if you want kernel low-level debugging support 911 on Rockchip RK32xx based platforms. 912 913 config DEBUG_R7S72100_SCIF2 914 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 915 depends on ARCH_R7S72100 916 help 917 Say Y here if you want kernel low-level debugging support 918 via SCIF2 on Renesas RZ/A1H (R7S72100). 919 920 config DEBUG_R7S9210_SCIF2 921 bool "Kernel low-level debugging messages via SCIF2 on R7S9210" 922 depends on ARCH_R7S9210 923 help 924 Say Y here if you want kernel low-level debugging support 925 via SCIF2 on Renesas RZ/A2M (R7S9210). 926 927 config DEBUG_R7S9210_SCIF4 928 bool "Kernel low-level debugging messages via SCIF4 on R7S9210" 929 depends on ARCH_R7S9210 930 help 931 Say Y here if you want kernel low-level debugging support 932 via SCIF4 on Renesas RZ/A2M (R7S9210). 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_R8A7744 || ARCH_R8A7790 || \ 951 ARCH_R8A7791 || 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), RZ/G1N (R8A7744), 955 R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or 956 M2-N (R8A7793). 957 958 config DEBUG_RCAR_GEN2_SCIF1 959 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 960 depends on ARCH_R8A77470 961 help 962 Say Y here if you want kernel low-level debugging support 963 via SCIF1 on Renesas RZ/G1C (R8A77470). 964 965 config DEBUG_RCAR_GEN2_SCIF2 966 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 967 depends on ARCH_R8A7794 968 help 969 Say Y here if you want kernel low-level debugging support 970 via SCIF2 on Renesas R-Car E2 (R8A7794). 971 972 config DEBUG_RCAR_GEN2_SCIF4 973 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 974 depends on ARCH_R8A7745 975 help 976 Say Y here if you want kernel low-level debugging support 977 via SCIF4 on Renesas RZ/G1E (R8A7745). 978 979 config DEBUG_RMOBILE_SCIFA0 980 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 981 depends on ARCH_R8A73A4 982 help 983 Say Y here if you want kernel low-level debugging support 984 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 985 986 config DEBUG_RMOBILE_SCIFA1 987 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 988 depends on ARCH_R8A7740 989 help 990 Say Y here if you want kernel low-level debugging support 991 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 992 993 config DEBUG_RMOBILE_SCIFA4 994 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 995 depends on ARCH_SH73A0 996 help 997 Say Y here if you want kernel low-level debugging support 998 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 999 1000 config DEBUG_S3C_UART0 1001 depends on PLAT_SAMSUNG 1002 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1003 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1004 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1005 select DEBUG_S5PV210_UART if ARCH_S5PV210 1006 bool "Use Samsung S3C UART 0 for low-level debug" 1007 help 1008 Say Y here if you want the debug print routines to direct 1009 their output to UART 0. The port must have been initialised 1010 by the boot-loader before use. 1011 1012 config DEBUG_S3C_UART1 1013 depends on PLAT_SAMSUNG 1014 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1015 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1016 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1017 select DEBUG_S5PV210_UART if ARCH_S5PV210 1018 bool "Use Samsung S3C UART 1 for low-level debug" 1019 help 1020 Say Y here if you want the debug print routines to direct 1021 their output to UART 1. The port must have been initialised 1022 by the boot-loader before use. 1023 1024 config DEBUG_S3C_UART2 1025 depends on PLAT_SAMSUNG 1026 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1027 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1028 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1029 select DEBUG_S5PV210_UART if ARCH_S5PV210 1030 bool "Use Samsung S3C UART 2 for low-level debug" 1031 help 1032 Say Y here if you want the debug print routines to direct 1033 their output to UART 2. The port must have been initialised 1034 by the boot-loader before use. 1035 1036 config DEBUG_S3C_UART3 1037 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 1038 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1039 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1040 select DEBUG_S5PV210_UART if ARCH_S5PV210 1041 bool "Use Samsung S3C UART 3 for low-level debug" 1042 help 1043 Say Y here if you want the debug print routines to direct 1044 their output to UART 3. The port must have been initialised 1045 by the boot-loader before use. 1046 1047 config DEBUG_S3C2410_UART0 1048 depends on ARCH_S3C24XX 1049 select DEBUG_S3C2410_UART 1050 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1051 help 1052 Say Y here if you want the debug print routines to direct 1053 their output to UART 0. The port must have been initialised 1054 by the boot-loader before use. 1055 1056 config DEBUG_S3C2410_UART1 1057 depends on ARCH_S3C24XX 1058 select DEBUG_S3C2410_UART 1059 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1060 help 1061 Say Y here if you want the debug print routines to direct 1062 their output to UART 1. The port must have been initialised 1063 by the boot-loader before use. 1064 1065 config DEBUG_S3C2410_UART2 1066 depends on ARCH_S3C24XX 1067 select DEBUG_S3C2410_UART 1068 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1069 help 1070 Say Y here if you want the debug print routines to direct 1071 their output to UART 2. The port must have been initialised 1072 by the boot-loader before use. 1073 1074 config DEBUG_SA1100 1075 depends on ARCH_SA1100 1076 bool "Use SA1100 UARTs for low-level debug" 1077 help 1078 Say Y here if you want kernel low-level debugging support 1079 on SA-11x0 UART ports. The kernel will check for the first 1080 enabled UART in a sequence 3-1-2. 1081 1082 config DEBUG_SOCFPGA_UART0 1083 depends on ARCH_SOCFPGA 1084 bool "Use SOCFPGA UART0 for low-level debug" 1085 select DEBUG_UART_8250 1086 help 1087 Say Y here if you want kernel low-level debugging support 1088 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1089 1090 config DEBUG_SOCFPGA_ARRIA10_UART1 1091 depends on ARCH_SOCFPGA 1092 bool "Use SOCFPGA Arria10 UART1 for low-level debug" 1093 select DEBUG_UART_8250 1094 help 1095 Say Y here if you want kernel low-level debugging support 1096 on SOCFPGA(Arria 10) based platforms. 1097 1098 config DEBUG_SOCFPGA_CYCLONE5_UART1 1099 depends on ARCH_SOCFPGA 1100 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" 1101 select DEBUG_UART_8250 1102 help 1103 Say Y here if you want kernel low-level debugging support 1104 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1105 1106 config DEBUG_SUN9I_UART0 1107 bool "Kernel low-level debugging messages via sun9i UART0" 1108 depends on MACH_SUN9I 1109 select DEBUG_UART_8250 1110 help 1111 Say Y here if you want kernel low-level debugging support 1112 on Allwinner A80 based platforms on the UART0. 1113 1114 config DEBUG_SUNXI_UART0 1115 bool "Kernel low-level debugging messages via sunXi UART0" 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 UART0. 1121 1122 config DEBUG_SUNXI_UART1 1123 bool "Kernel low-level debugging messages via sunXi UART1" 1124 depends on ARCH_SUNXI 1125 select DEBUG_UART_8250 1126 help 1127 Say Y here if you want kernel low-level debugging support 1128 on Allwinner A1X based platforms on the UART1. 1129 1130 config DEBUG_SUNXI_R_UART 1131 bool "Kernel low-level debugging messages via sunXi R_UART" 1132 depends on MACH_SUN6I || MACH_SUN8I 1133 select DEBUG_UART_8250 1134 help 1135 Say Y here if you want kernel low-level debugging support 1136 on Allwinner A31/A23 based platforms on the R_UART. 1137 1138 config DEBUG_SIRFPRIMA2_UART1 1139 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1140 depends on ARCH_PRIMA2 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 uart1 port on SiRFprimaII devices. 1145 1146 config DEBUG_SIRFATLAS7_UART0 1147 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1148 depends on ARCH_ATLAS7 1149 select DEBUG_SIRFSOC_UART 1150 help 1151 Say Y here if you want the debug print routines to direct 1152 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1153 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1154 debug port can be very useful. 1155 1156 config DEBUG_SIRFATLAS7_UART1 1157 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1158 depends on ARCH_ATLAS7 1159 select DEBUG_SIRFSOC_UART 1160 help 1161 Say Y here if you want the debug print routines to direct 1162 their output to the uart1 port on SiRFATLAS7 devices. 1163 1164 config DEBUG_SPEAR3XX 1165 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1166 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1167 select DEBUG_UART_PL01X 1168 help 1169 Say Y here if you want kernel low-level debugging support 1170 on ST SPEAr based platforms. 1171 1172 config DEBUG_SPEAR13XX 1173 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1174 depends on ARCH_SPEAR13XX 1175 select DEBUG_UART_PL01X 1176 help 1177 Say Y here if you want kernel low-level debugging support 1178 on ST SPEAr13xx based platforms. 1179 1180 config STIH41X_DEBUG_ASC2 1181 bool "Use StiH415/416 ASC2 UART for low-level debug" 1182 depends on ARCH_STI 1183 select DEBUG_STI_UART 1184 help 1185 Say Y here if you want kernel low-level debugging support 1186 on STiH415/416 based platforms like b2000, which has 1187 default UART wired up to ASC2. 1188 1189 If unsure, say N. 1190 1191 config STIH41X_DEBUG_SBC_ASC1 1192 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1193 depends on ARCH_STI 1194 select DEBUG_STI_UART 1195 help 1196 Say Y here if you want kernel low-level debugging support 1197 on STiH415/416 based platforms like b2020. which has 1198 default UART wired up to SBC ASC1. 1199 1200 If unsure, say N. 1201 1202 config STM32F4_DEBUG_UART 1203 bool "Use STM32F4 UART for low-level debug" 1204 depends on ARCH_STM32 1205 select DEBUG_STM32_UART 1206 help 1207 Say Y here if you want kernel low-level debugging support 1208 on STM32F4 based platforms, which default UART is wired on 1209 USART1. 1210 1211 If unsure, say N. 1212 1213 config STM32F7_DEBUG_UART 1214 bool "Use STM32F7 UART for low-level debug" 1215 depends on ARCH_STM32 1216 select DEBUG_STM32_UART 1217 help 1218 Say Y here if you want kernel low-level debugging support 1219 on STM32F7 based platforms, which default UART is wired on 1220 USART1. 1221 1222 If unsure, say N. 1223 1224 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1225 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1226 depends on ARCH_TEGRA 1227 select DEBUG_TEGRA_UART 1228 help 1229 Automatically determines which UART to use for low-level 1230 debug based on the ODMDATA value. This value is part of 1231 the BCT, and is written to the boot memory device using 1232 nvflash, or other flashing tool. When bits 19:18 are 3, 1233 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1234 are UART A/B/C/D/E. 1235 1236 config TEGRA_DEBUG_UARTA 1237 bool "Kernel low-level debugging messages via Tegra UART A" 1238 depends on ARCH_TEGRA 1239 select DEBUG_TEGRA_UART 1240 help 1241 Say Y here if you want kernel low-level debugging support 1242 on Tegra based platforms. 1243 1244 config TEGRA_DEBUG_UARTB 1245 bool "Kernel low-level debugging messages via Tegra UART B" 1246 depends on ARCH_TEGRA 1247 select DEBUG_TEGRA_UART 1248 help 1249 Say Y here if you want kernel low-level debugging support 1250 on Tegra based platforms. 1251 1252 config TEGRA_DEBUG_UARTC 1253 bool "Kernel low-level debugging messages via Tegra UART C" 1254 depends on ARCH_TEGRA 1255 select DEBUG_TEGRA_UART 1256 help 1257 Say Y here if you want kernel low-level debugging support 1258 on Tegra based platforms. 1259 1260 config TEGRA_DEBUG_UARTD 1261 bool "Kernel low-level debugging messages via Tegra UART D" 1262 depends on ARCH_TEGRA 1263 select DEBUG_TEGRA_UART 1264 help 1265 Say Y here if you want kernel low-level debugging support 1266 on Tegra based platforms. 1267 1268 config TEGRA_DEBUG_UARTE 1269 bool "Kernel low-level debugging messages via Tegra UART E" 1270 depends on ARCH_TEGRA 1271 select DEBUG_TEGRA_UART 1272 help 1273 Say Y here if you want kernel low-level debugging support 1274 on Tegra based platforms. 1275 1276 config DEBUG_U300_UART 1277 bool "Kernel low-level debugging messages via U300 UART0" 1278 depends on ARCH_U300 1279 select DEBUG_UART_PL01X 1280 help 1281 Say Y here if you want the debug print routines to direct 1282 their output to the uart port on U300 devices. 1283 1284 config DEBUG_UX500_UART 1285 depends on ARCH_U8500 1286 bool "Use Ux500 UART for low-level debug" 1287 help 1288 Say Y here if you want kernel low-level debugging support 1289 on Ux500 based platforms. 1290 1291 config DEBUG_VERSATILE 1292 bool "Kernel low-level debugging messages via ARM Versatile UART" 1293 depends on ARCH_VERSATILE 1294 select DEBUG_UART_PL01X 1295 help 1296 Say Y here if you want kernel low-level debugging support 1297 on ARM Versatile platforms. 1298 1299 config DEBUG_VEXPRESS_UART0_DETECT 1300 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1301 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1302 help 1303 This option enables a simple heuristic which tries to determine 1304 the motherboard's memory map variant (original or RS1) and then 1305 choose the relevant UART0 base address. 1306 1307 Note that this will only work with standard A-class core tiles, 1308 and may fail with non-standard SMM or custom software models. 1309 1310 config DEBUG_VEXPRESS_UART0_CA9 1311 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1312 depends on ARCH_VEXPRESS 1313 select DEBUG_UART_PL01X 1314 help 1315 This option selects UART0 at 0x10009000. Except for custom models, 1316 this applies only to the V2P-CA9 tile. 1317 1318 config DEBUG_VEXPRESS_UART0_RS1 1319 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1320 depends on ARCH_VEXPRESS 1321 select DEBUG_UART_PL01X 1322 help 1323 This option selects UART0 at 0x1c090000. This applies to most 1324 of the tiles using the RS1 memory map, including all new A-class 1325 core tiles, FPGA-based SMMs and software models. 1326 1327 config DEBUG_VEXPRESS_UART0_CRX 1328 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1329 depends on ARCH_VEXPRESS && !MMU 1330 select DEBUG_UART_PL01X 1331 help 1332 This option selects UART0 at 0xb0090000. This is appropriate for 1333 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1334 1335 config DEBUG_VF_UART 1336 bool "Vybrid UART" 1337 depends on SOC_VF610 1338 help 1339 Say Y here if you want kernel low-level debugging support 1340 on Vybrid based platforms. 1341 1342 config DEBUG_VT8500_UART0 1343 bool "Use UART0 on VIA/Wondermedia SoCs" 1344 depends on ARCH_VT8500 1345 help 1346 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1347 devices, including VT8500, WM8505, WM8650 and WM8850. 1348 1349 config DEBUG_ZTE_ZX 1350 bool "Use ZTE ZX UART" 1351 select DEBUG_UART_PL01X 1352 depends on ARCH_ZX 1353 help 1354 Say Y here if you are enabling ZTE ZX296702 SOC and need 1355 debug uart support. 1356 1357 This option is preferred over the platform specific 1358 options; the platform specific options are deprecated 1359 and will be soon removed. 1360 1361 config DEBUG_ZYNQ_UART0 1362 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1363 depends on ARCH_ZYNQ 1364 help 1365 Say Y here if you want the debug print routines to direct 1366 their output to UART0 on the Zynq platform. 1367 1368 config DEBUG_ZYNQ_UART1 1369 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1370 depends on ARCH_ZYNQ 1371 help 1372 Say Y here if you want the debug print routines to direct 1373 their output to UART1 on the Zynq platform. 1374 1375 If you have a ZC702 board and want early boot messages to 1376 appear on the USB serial adaptor, select this option. 1377 1378 config DEBUG_ICEDCC 1379 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1380 help 1381 Say Y here if you want the debug print routines to direct 1382 their output to the EmbeddedICE macrocell's DCC channel using 1383 co-processor 14. This is known to work on the ARM9 style ICE 1384 channel and on the XScale with the PEEDI. 1385 1386 Note that the system will appear to hang during boot if there 1387 is nothing connected to read from the DCC. 1388 1389 config DEBUG_SEMIHOSTING 1390 bool "Kernel low-level debug output via semihosting I/O" 1391 help 1392 Semihosting enables code running on an ARM target to use 1393 the I/O facilities on a host debugger/emulator through a 1394 simple SVC call. The host debugger or emulator must have 1395 semihosting enabled for the special svc call to be trapped 1396 otherwise the kernel will crash. 1397 1398 This is known to work with OpenOCD, as well as 1399 ARM's Fast Models, or any other controlling environment 1400 that implements semihosting. 1401 1402 For more details about semihosting, please see 1403 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1404 1405 config DEBUG_LL_UART_8250 1406 bool "Kernel low-level debugging via 8250 UART" 1407 help 1408 Say Y here if you wish the debug print routes to direct 1409 their output to an 8250 UART. You can use this option 1410 to provide the parameters for the 8250 UART rather than 1411 selecting one of the platform specific options above if 1412 you know the parameters for the port. 1413 1414 This option is preferred over the platform specific 1415 options; the platform specific options are deprecated 1416 and will be soon removed. 1417 1418 config DEBUG_LL_UART_EFM32 1419 bool "Kernel low-level debugging via efm32 UART" 1420 depends on ARCH_EFM32 1421 help 1422 Say Y here if you want the debug print routines to direct 1423 their output to an UART or USART port on efm32 based 1424 machines. Use the following addresses for DEBUG_UART_PHYS: 1425 1426 0x4000c000 | USART0 1427 0x4000c400 | USART1 1428 0x4000c800 | USART2 1429 0x4000e000 | UART0 1430 0x4000e400 | UART1 1431 1432 config DEBUG_LL_UART_PL01X 1433 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1434 help 1435 Say Y here if you wish the debug print routes to direct 1436 their output to a PL01x Primecell UART. You can use 1437 this option to provide the parameters for the UART 1438 rather than selecting one of the platform specific 1439 options above if you know the parameters for the port. 1440 1441 This option is preferred over the platform specific 1442 options; the platform specific options are deprecated 1443 and will be soon removed. 1444 1445endchoice 1446 1447config DEBUG_AT91_UART 1448 bool 1449 depends on ARCH_AT91 1450 1451config DEBUG_EXYNOS_UART 1452 bool 1453 1454config DEBUG_S3C2410_UART 1455 bool 1456 select DEBUG_S3C24XX_UART 1457 1458config DEBUG_S3C24XX_UART 1459 bool 1460 1461config DEBUG_S3C64XX_UART 1462 bool 1463 1464config DEBUG_S5PV210_UART 1465 bool 1466 1467config DEBUG_OMAP2PLUS_UART 1468 bool 1469 depends on ARCH_OMAP2PLUS 1470 1471config DEBUG_IMX_UART_PORT 1472 int "i.MX Debug UART Port Selection" 1473 depends on DEBUG_IMX1_UART || \ 1474 DEBUG_IMX25_UART || \ 1475 DEBUG_IMX21_IMX27_UART || \ 1476 DEBUG_IMX31_UART || \ 1477 DEBUG_IMX35_UART || \ 1478 DEBUG_IMX50_UART || \ 1479 DEBUG_IMX51_UART || \ 1480 DEBUG_IMX53_UART || \ 1481 DEBUG_IMX6Q_UART || \ 1482 DEBUG_IMX6SL_UART || \ 1483 DEBUG_IMX6SX_UART || \ 1484 DEBUG_IMX6UL_UART || \ 1485 DEBUG_IMX7D_UART 1486 default 1 1487 help 1488 Choose UART port on which kernel low-level debug messages 1489 should be output. 1490 1491config DEBUG_VF_UART_PORT 1492 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1493 default 1 1494 range 0 3 1495 depends on SOC_VF610 1496 help 1497 Choose UART port on which kernel low-level debug messages 1498 should be output. 1499 1500config DEBUG_TEGRA_UART 1501 bool 1502 depends on ARCH_TEGRA 1503 1504config DEBUG_STI_UART 1505 bool 1506 depends on ARCH_STI 1507 1508config DEBUG_STM32_UART 1509 bool 1510 depends on ARCH_STM32 1511 1512config DEBUG_SIRFSOC_UART 1513 bool 1514 depends on ARCH_SIRF 1515 1516config DEBUG_LL_INCLUDE 1517 string 1518 default "debug/sa1100.S" if DEBUG_SA1100 1519 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1520 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1521 default "debug/at91.S" if DEBUG_AT91_UART 1522 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1523 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1524 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1525 default "debug/meson.S" if DEBUG_MESON_UARTAO 1526 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1527 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1528 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1529 default "debug/icedcc.S" if DEBUG_ICEDCC 1530 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1531 DEBUG_IMX25_UART || \ 1532 DEBUG_IMX21_IMX27_UART || \ 1533 DEBUG_IMX31_UART || \ 1534 DEBUG_IMX35_UART || \ 1535 DEBUG_IMX50_UART || \ 1536 DEBUG_IMX51_UART || \ 1537 DEBUG_IMX53_UART ||\ 1538 DEBUG_IMX6Q_UART || \ 1539 DEBUG_IMX6SL_UART || \ 1540 DEBUG_IMX6SX_UART || \ 1541 DEBUG_IMX6UL_UART || \ 1542 DEBUG_IMX7D_UART 1543 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1544 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1545 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1546 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2 1547 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4 1548 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1549 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1550 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1551 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1552 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1553 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1554 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1555 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1556 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1557 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1558 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1559 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1560 default "debug/sti.S" if DEBUG_STI_UART 1561 default "debug/stm32.S" if DEBUG_STM32_UART 1562 default "debug/tegra.S" if DEBUG_TEGRA_UART 1563 default "debug/ux500.S" if DEBUG_UX500_UART 1564 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1565 default "debug/vf.S" if DEBUG_VF_UART 1566 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1567 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1568 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1569 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1570 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1571 default "mach/debug-macro.S" 1572 1573# Compatibility options for PL01x 1574config DEBUG_UART_PL01X 1575 bool 1576 1577# Compatibility options for 8250 1578config DEBUG_UART_8250 1579 def_bool ARCH_EBSA110 || ARCH_IOP32X || ARCH_IXP4XX || ARCH_RPC 1580 1581config DEBUG_UART_PHYS 1582 hex "Physical base address of debug UART" 1583 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1584 default 0x01c28000 if DEBUG_SUNXI_UART0 1585 default 0x01c28400 if DEBUG_SUNXI_UART1 1586 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1587 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1588 default 0x01f02800 if DEBUG_SUNXI_R_UART 1589 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1590 default 0x02531000 if DEBUG_KEYSTONE_UART1 1591 default 0x03010fe0 if ARCH_RPC 1592 default 0x07000000 if DEBUG_SUN9I_UART0 1593 default 0x09405000 if DEBUG_ZTE_ZX 1594 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1595 DEBUG_VEXPRESS_UART0_CA9 1596 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1597 default 0x10124000 if DEBUG_RK3X_UART0 1598 default 0x10126000 if DEBUG_RK3X_UART1 1599 default 0x101f1000 if DEBUG_VERSATILE 1600 default 0x101fb000 if DEBUG_NOMADIK_UART 1601 default 0x10210000 if DEBUG_RV1108_UART2 1602 default 0x10220000 if DEBUG_RV1108_UART1 1603 default 0x10230000 if DEBUG_RV1108_UART0 1604 default 0x11002000 if DEBUG_MT8127_UART0 1605 default 0x11006000 if DEBUG_MT6589_UART0 1606 default 0x11009000 if DEBUG_MT8135_UART3 1607 default 0x16000000 if DEBUG_INTEGRATOR 1608 default 0x18000300 if DEBUG_BCM_5301X 1609 default 0x18000400 if DEBUG_BCM_HR2 1610 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1611 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1612 default 0x18023000 if DEBUG_BCM_IPROC_UART3 1613 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1614 default 0x20001000 if DEBUG_HIP01_UART 1615 default 0x20060000 if DEBUG_RK29_UART0 1616 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1617 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1618 default 0x20201000 if DEBUG_BCM2835 1619 default 0x3e000000 if DEBUG_BCM_KONA_UART 1620 default 0x3f201000 if DEBUG_BCM2836 1621 default 0x4000e400 if DEBUG_LL_UART_EFM32 1622 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1623 default 0x40081000 if DEBUG_LPC18XX_UART0 1624 default 0x40090000 if DEBUG_LPC32XX 1625 default 0x40100000 if DEBUG_PXA_UART1 1626 default 0x42000000 if DEBUG_GEMINI 1627 default 0x44e09000 if DEBUG_AM33XXUART1 1628 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1629 default 0x48022000 if DEBUG_TI81XXUART2 1630 default 0x48024000 if DEBUG_TI81XXUART3 1631 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1632 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1633 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1634 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1635 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1636 default 0x49020000 if DEBUG_OMAP3UART3 1637 default 0x49042000 if DEBUG_OMAP3UART4 1638 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1639 DEBUG_S3C2410_UART0) 1640 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1641 DEBUG_S3C2410_UART1) 1642 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1643 DEBUG_S3C2410_UART2) 1644 default 0x78000000 if DEBUG_CNS3XXX 1645 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1646 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1647 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1648 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1649 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1650 default 0x80010000 if DEBUG_ASM9260_UART 1651 default 0x80070000 if DEBUG_IMX23_UART 1652 default 0x80074000 if DEBUG_IMX28_UART 1653 default 0x80230000 if DEBUG_PICOXCELL_UART 1654 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1655 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1656 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1657 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1658 default 0xc0013000 if DEBUG_U300_UART 1659 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1660 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1661 default 0xd0000000 if DEBUG_SPEAR3XX 1662 default 0xd0012000 if DEBUG_MVEBU_UART0 1663 default 0xc81004c0 if DEBUG_MESON_UARTAO 1664 default 0xd4017000 if DEBUG_MMP_UART2 1665 default 0xd4018000 if DEBUG_MMP_UART3 1666 default 0xe0000000 if DEBUG_SPEAR13XX 1667 default 0xe4007000 if DEBUG_HIP04_UART 1668 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1669 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1670 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1671 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1672 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1673 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1674 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1675 default 0xe8008000 if DEBUG_R7S72100_SCIF2 || DEBUG_R7S9210_SCIF2 1676 default 0xe8009000 if DEBUG_R7S9210_SCIF4 1677 default 0xf0000000 if DEBUG_DIGICOLOR_UA0 1678 default 0xf0000be0 if ARCH_EBSA110 1679 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1680 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1681 default 0xf7fc9000 if DEBUG_BERLIN_UART 1682 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1683 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1684 default 0xf991e000 if DEBUG_QCOM_UARTDM 1685 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1686 default 0xfcb00000 if DEBUG_HI3620_UART 1687 default 0xfd883000 if DEBUG_ALPINE_UART0 1688 default 0xfe800000 if ARCH_IOP32X 1689 default 0xff690000 if DEBUG_RK32_UART2 1690 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1691 default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1692 default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1693 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1694 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1695 default 0xfff36000 if DEBUG_HIGHBANK_UART 1696 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1697 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1698 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1699 default 0xfffe8600 if DEBUG_BCM63XX_UART 1700 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1701 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1702 depends on ARCH_EP93XX || \ 1703 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1704 DEBUG_LL_UART_EFM32 || \ 1705 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1706 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1707 DEBUG_R7S9210_SCIF2 || DEBUG_R7S9210_SCIF4 || \ 1708 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1709 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1710 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1711 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1712 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1713 DEBUG_S3C64XX_UART || \ 1714 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1715 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1716 DEBUG_AT91_UART 1717 1718config DEBUG_UART_VIRT 1719 hex "Virtual base address of debug UART" 1720 default 0xc881f000 if DEBUG_RV1108_UART2 1721 default 0xc8821000 if DEBUG_RV1108_UART1 1722 default 0xc8912000 if DEBUG_RV1108_UART0 1723 default 0xe0010fe0 if ARCH_RPC 1724 default 0xf0000be0 if ARCH_EBSA110 1725 default 0xf0010000 if DEBUG_ASM9260_UART 1726 default 0xf0100000 if DEBUG_DIGICOLOR_UA0 1727 default 0xf01fb000 if DEBUG_NOMADIK_UART 1728 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1729 default 0xf1000300 if DEBUG_BCM_5301X 1730 default 0xf1000400 if DEBUG_BCM_HR2 1731 default 0xf1002000 if DEBUG_MT8127_UART0 1732 default 0xf1006000 if DEBUG_MT6589_UART0 1733 default 0xf1009000 if DEBUG_MT8135_UART3 1734 default 0xf1023000 if DEBUG_BCM_IPROC_UART3 1735 default 0xf11f1000 if DEBUG_VERSATILE 1736 default 0xf1600000 if DEBUG_INTEGRATOR 1737 default 0xf1c28000 if DEBUG_SUNXI_UART0 1738 default 0xf1c28400 if DEBUG_SUNXI_UART1 1739 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1740 default 0xf31004c0 if DEBUG_MESON_UARTAO 1741 default 0xf4090000 if DEBUG_LPC32XX 1742 default 0xf4200000 if DEBUG_GEMINI 1743 default 0xf6200000 if DEBUG_PXA_UART1 1744 default 0xf7000000 if DEBUG_SUN9I_UART0 1745 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1746 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1747 DEBUG_S3C2410_UART0) 1748 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1749 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1750 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1751 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1752 DEBUG_S3C2410_UART1) 1753 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1754 DEBUG_S3C2410_UART2) 1755 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1756 default 0xf7fc9000 if DEBUG_BERLIN_UART 1757 default 0xf8007000 if DEBUG_HIP04_UART 1758 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1759 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1760 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1761 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1762 default 0xf9e09000 if DEBUG_AM33XXUART1 1763 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1764 default 0xfa022000 if DEBUG_TI81XXUART2 1765 default 0xfa024000 if DEBUG_TI81XXUART3 1766 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1767 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1768 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1769 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1770 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1771 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1772 default 0xfb002000 if DEBUG_CNS3XXX 1773 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1774 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1775 default 0xfb020000 if DEBUG_OMAP3UART3 1776 default 0xfb042000 if DEBUG_OMAP3UART4 1777 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1778 default 0xfc705000 if DEBUG_ZTE_ZX 1779 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1780 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1781 default 0xfd883000 if DEBUG_ALPINE_UART0 1782 default 0xfe017000 if DEBUG_MMP_UART2 1783 default 0xfe018000 if DEBUG_MMP_UART3 1784 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1785 default 0xfe230000 if DEBUG_PICOXCELL_UART 1786 default 0xfe300000 if DEBUG_BCM_KONA_UART 1787 default 0xfe800000 if ARCH_IOP32X 1788 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1789 default 0xfeb24000 if DEBUG_RK3X_UART0 1790 default 0xfeb26000 if DEBUG_RK3X_UART1 1791 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1792 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1793 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1794 default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1795 default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1796 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE 1797 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1798 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1799 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1800 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1801 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1802 default 0xfec90000 if DEBUG_RK32_UART2 1803 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1804 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1805 default 0xfed60000 if DEBUG_RK29_UART0 1806 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1807 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1808 default 0xfedc0000 if DEBUG_EP93XX 1809 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1810 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1811 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1812 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1813 default 0xfef36000 if DEBUG_HIGHBANK_UART 1814 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1815 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1816 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1817 default 0xff003000 if DEBUG_U300_UART 1818 default 0xffd01000 if DEBUG_HIP01_UART 1819 default DEBUG_UART_PHYS if !MMU 1820 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1821 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1822 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1823 DEBUG_S3C64XX_UART || \ 1824 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1825 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1826 DEBUG_AT91_UART 1827 1828config DEBUG_UART_8250_SHIFT 1829 int "Register offset shift for the 8250 debug UART" 1830 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1831 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1832 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1833 DEBUG_OMAP7XXUART3 1834 default 2 1835 1836config DEBUG_UART_8250_WORD 1837 bool "Use 32-bit accesses for 8250 UART" 1838 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1839 depends on DEBUG_UART_8250_SHIFT >= 2 1840 default y if DEBUG_PICOXCELL_UART || \ 1841 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ 1842 DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ 1843 DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ 1844 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1845 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \ 1846 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1847 1848config DEBUG_UART_8250_PALMCHIP 1849 bool "8250 UART is Palmchip BK-310x" 1850 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1851 help 1852 Palmchip provides a UART implementation compatible with 16550 1853 except for having a different register layout. Say Y here if 1854 the debug UART is of this type. 1855 1856config DEBUG_UART_8250_FLOW_CONTROL 1857 bool "Enable flow control for 8250 UART" 1858 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1859 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1860 1861config DEBUG_UNCOMPRESS 1862 bool "Enable decompressor debugging via DEBUG_LL output" 1863 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1864 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1865 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1866 !DEBUG_BRCMSTB_UART 1867 help 1868 This option influences the normal decompressor output for 1869 multiplatform kernels. Normally, multiplatform kernels disable 1870 decompressor output because it is not possible to know where to 1871 send the decompressor output. 1872 1873 When this option is set, the selected DEBUG_LL output method 1874 will be re-used for normal decompressor output on multiplatform 1875 kernels. 1876 1877 1878config UNCOMPRESS_INCLUDE 1879 string 1880 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1881 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1882 default "mach/uncompress.h" 1883 1884config EARLY_PRINTK 1885 bool "Early printk" 1886 depends on DEBUG_LL 1887 help 1888 Say Y here if you want to have an early console using the 1889 kernel low-level debugging functions. Add earlyprintk to your 1890 kernel parameters to enable this console. 1891 1892config ARM_KPROBES_TEST 1893 tristate "Kprobes test module" 1894 depends on KPROBES && MODULES 1895 help 1896 Perform tests of kprobes API and instruction set simulation. 1897 1898config PID_IN_CONTEXTIDR 1899 bool "Write the current PID to the CONTEXTIDR register" 1900 depends on CPU_COPY_V6 1901 help 1902 Enabling this option causes the kernel to write the current PID to 1903 the PROCID field of the CONTEXTIDR register, at the expense of some 1904 additional instructions during context switch. Say Y here only if you 1905 are planning to use hardware trace tools with this kernel. 1906 1907source "drivers/hwtracing/coresight/Kconfig" 1908