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 48# RMK wants arm kernels compiled with frame pointers or stack unwinding. 49# If you know what you are doing and are willing to live without stack 50# traces, you can get a slightly smaller kernel by setting this option to 51# n, but then RMK will have to kill you ;). 52config FRAME_POINTER 53 bool 54 depends on !THUMB2_KERNEL 55 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER 56 help 57 If you say N here, the resulting kernel will be slightly smaller and 58 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, 59 when a problem occurs with the kernel, the information that is 60 reported is severely limited. 61 62config ARM_UNWIND 63 bool "Enable stack unwinding support (EXPERIMENTAL)" 64 depends on AEABI 65 default y 66 help 67 This option enables stack unwinding support in the kernel 68 using the information automatically generated by the 69 compiler. The resulting kernel image is slightly bigger but 70 the performance is not affected. Currently, this feature 71 only works with EABI compilers. If unsure say Y. 72 73config OLD_MCOUNT 74 bool 75 depends on FUNCTION_TRACER && FRAME_POINTER 76 default y 77 78config DEBUG_USER 79 bool "Verbose user fault messages" 80 help 81 When a user program crashes due to an exception, the kernel can 82 print a brief message explaining what the problem was. This is 83 sometimes helpful for debugging but serves no purpose on a 84 production system. Most people should say N here. 85 86 In addition, you need to pass user_debug=N on the kernel command 87 line to enable this feature. N consists of the sum of: 88 89 1 - undefined instruction events 90 2 - system calls 91 4 - invalid data aborts 92 8 - SIGSEGV faults 93 16 - SIGBUS faults 94 95# These options are only for real kernel hackers who want to get their hands dirty. 96config DEBUG_LL 97 bool "Kernel low-level debugging functions (read help!)" 98 depends on DEBUG_KERNEL 99 help 100 Say Y here to include definitions of printascii, printch, printhex 101 in the kernel. This is helpful if you are debugging code that 102 executes before the console is initialized. 103 104 Note that selecting this option will limit the kernel to a single 105 UART definition, as specified below. Attempting to boot the kernel 106 image on a different platform *will not work*, so this option should 107 not be enabled for kernels that are intended to be portable. 108 109choice 110 prompt "Kernel low-level debugging port" 111 depends on DEBUG_LL 112 113 config DEBUG_ALPINE_UART0 114 bool "Kernel low-level debugging messages via Alpine UART0" 115 depends on ARCH_ALPINE 116 select DEBUG_UART_8250 117 help 118 Say Y here if you want kernel low-level debugging support 119 on Alpine based platforms. 120 121 config DEBUG_ASM9260_UART 122 bool "Kernel low-level debugging via asm9260 UART" 123 depends on MACH_ASM9260 124 help 125 Say Y here if you want the debug print routines to direct 126 their output to an UART or USART port on asm9260 based 127 machines. 128 129 DEBUG_UART_PHYS | DEBUG_UART_VIRT 130 131 0x80000000 | 0xf0000000 | UART0 132 0x80004000 | 0xf0004000 | UART1 133 0x80008000 | 0xf0008000 | UART2 134 0x8000c000 | 0xf000c000 | UART3 135 0x80010000 | 0xf0010000 | UART4 136 0x80014000 | 0xf0014000 | UART5 137 0x80018000 | 0xf0018000 | UART6 138 0x8001c000 | 0xf001c000 | UART7 139 0x80020000 | 0xf0020000 | UART8 140 0x80024000 | 0xf0024000 | UART9 141 142 config DEBUG_AT91_RM9200_DBGU 143 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" 144 select DEBUG_AT91_UART 145 depends on SOC_AT91RM9200 || SOC_AT91SAM9 146 help 147 Say Y here if you want kernel low-level debugging support 148 on the DBGU port of: 149 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 150 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 151 152 config DEBUG_AT91_SAM9263_DBGU 153 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 154 select DEBUG_AT91_UART 155 depends on SOC_AT91SAM9 || SOC_SAMA5D3 156 help 157 Say Y here if you want kernel low-level debugging support 158 on the DBGU port of: 159 at91sam9263, at91sam9g45, at91sam9m10, 160 sama5d3 161 162 config DEBUG_AT91_SAMA5D2_UART1 163 bool "Kernel low-level debugging on SAMA5D2 UART1" 164 select DEBUG_AT91_UART 165 depends on SOC_SAMA5D2 166 help 167 Say Y here if you want kernel low-level debugging support 168 on the UART1 port of sama5d2. 169 170 config DEBUG_AT91_SAMA5D4_USART3 171 bool "Kernel low-level debugging on SAMA5D4 USART3" 172 select DEBUG_AT91_UART 173 depends on SOC_SAMA5D4 174 help 175 Say Y here if you want kernel low-level debugging support 176 on the USART3 port of sama5d4. 177 178 config DEBUG_AT91_SAMV7_USART1 179 bool "Kernel low-level debugging via SAMV7 USART1" 180 select DEBUG_AT91_UART 181 depends on SOC_SAMV7 182 help 183 Say Y here if you want the debug print routines to direct 184 their output to the USART1 port on SAMV7 based 185 machines. 186 187 config DEBUG_BCM2835 188 bool "Kernel low-level debugging on BCM2835 PL011 UART" 189 depends on ARCH_BCM2835 && ARCH_MULTI_V6 190 select DEBUG_UART_PL01X 191 192 config DEBUG_BCM2836 193 bool "Kernel low-level debugging on BCM2836 PL011 UART" 194 depends on ARCH_BCM2835 && ARCH_MULTI_V7 195 select DEBUG_UART_PL01X 196 197 config DEBUG_BCM_5301X 198 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 199 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 200 select DEBUG_UART_8250 201 202 config DEBUG_BCM_HR2 203 bool "Kernel low-level debugging on Hurricane 2 UART2" 204 depends on ARCH_BCM_HR2 205 select DEBUG_UART_8250 206 207 config DEBUG_BCM_IPROC_UART3 208 bool "Kernel low-level debugging on BCM IPROC UART3" 209 depends on ARCH_BCM_CYGNUS 210 select DEBUG_UART_8250 211 help 212 Say Y here if you want the debug print routines to direct 213 their output to the third serial port on these devices. 214 215 config DEBUG_BCM_KONA_UART 216 bool "Kernel low-level debugging messages via BCM KONA UART" 217 depends on ARCH_BCM_MOBILE 218 select DEBUG_UART_8250 219 help 220 Say Y here if you want kernel low-level debugging support 221 on Broadcom SoC platforms. 222 This low level debug works for Broadcom 223 mobile SoCs in the Kona family of chips (e.g. bcm28155, 224 bcm11351, etc...) 225 226 config DEBUG_BCM63XX_UART 227 bool "Kernel low-level debugging on BCM63XX UART" 228 depends on ARCH_BCM_63XX 229 230 config DEBUG_BERLIN_UART 231 bool "Marvell Berlin SoC Debug UART" 232 depends on ARCH_BERLIN 233 select DEBUG_UART_8250 234 help 235 Say Y here if you want kernel low-level debugging support 236 on Marvell Berlin SoC based platforms. 237 238 config DEBUG_BRCMSTB_UART 239 bool "Use BRCMSTB UART for low-level debug" 240 depends on ARCH_BRCMSTB 241 help 242 Say Y here if you want the debug print routines to direct 243 their output to the first serial port on these devices. The 244 UART physical and virtual address is automatically provided 245 based on the chip identification register value. 246 247 If you have a Broadcom STB chip and would like early print 248 messages to appear over the UART, select this option. 249 250 config DEBUG_CLPS711X_UART1 251 bool "Kernel low-level debugging messages via UART1" 252 depends on ARCH_CLPS711X 253 help 254 Say Y here if you want the debug print routines to direct 255 their output to the first serial port on these devices. 256 257 config DEBUG_CLPS711X_UART2 258 bool "Kernel low-level debugging messages via UART2" 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 second serial port on these devices. 263 264 config DEBUG_CNS3XXX 265 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 266 depends on ARCH_CNS3XXX 267 select DEBUG_UART_8250 268 help 269 Say Y here if you want the debug print routines to direct 270 their output to the CNS3xxx UART0. 271 272 config DEBUG_DAVINCI_DA8XX_UART1 273 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 274 depends on ARCH_DAVINCI_DA8XX 275 select DEBUG_UART_8250 276 help 277 Say Y here if you want the debug print routines to direct 278 their output to UART1 serial port on DaVinci DA8XX devices. 279 280 config DEBUG_DAVINCI_DA8XX_UART2 281 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 282 depends on ARCH_DAVINCI_DA8XX 283 select DEBUG_UART_8250 284 help 285 Say Y here if you want the debug print routines to direct 286 their output to UART2 serial port on DaVinci DA8XX devices. 287 288 config DEBUG_DAVINCI_DMx_UART0 289 bool "Kernel low-level debugging on DaVinci DMx using UART0" 290 depends on ARCH_DAVINCI_DMx 291 select DEBUG_UART_8250 292 help 293 Say Y here if you want the debug print routines to direct 294 their output to UART0 serial port on DaVinci DMx devices. 295 296 config DEBUG_DC21285_PORT 297 bool "Kernel low-level debugging messages via footbridge serial port" 298 depends on FOOTBRIDGE 299 help 300 Say Y here if you want the debug print routines to direct 301 their output to the serial port in the DC21285 (Footbridge). 302 303 config DEBUG_DIGICOLOR_UA0 304 bool "Kernel low-level debugging messages via Digicolor UA0" 305 depends on ARCH_DIGICOLOR 306 help 307 Say Y here if you want the debug print routines to direct 308 their output to the UA0 serial port in the CX92755. 309 310 config DEBUG_EP93XX 311 bool "Kernel low-level debugging messages via ep93xx UART" 312 depends on ARCH_EP93XX 313 select DEBUG_UART_PL01X 314 help 315 Say Y here if you want kernel low-level debugging support 316 on Cirrus Logic EP93xx based platforms. 317 318 config DEBUG_FOOTBRIDGE_COM1 319 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 320 depends on FOOTBRIDGE 321 select DEBUG_UART_8250 322 help 323 Say Y here if you want the debug print routines to direct 324 their output to the 8250 at PCI COM1. 325 326 config DEBUG_GEMINI 327 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 328 depends on ARCH_GEMINI 329 select DEBUG_UART_8250 330 help 331 Say Y here if you want kernel low-level debugging support 332 on Cortina Gemini based platforms. 333 334 config DEBUG_HI3620_UART 335 bool "Hisilicon HI3620 Debug UART" 336 depends on ARCH_HI3xxx 337 select DEBUG_UART_PL01X 338 help 339 Say Y here if you want kernel low-level debugging support 340 on HI3620 UART. 341 342 config DEBUG_HIGHBANK_UART 343 bool "Kernel low-level debugging messages via Highbank UART" 344 depends on ARCH_HIGHBANK 345 select DEBUG_UART_PL01X 346 help 347 Say Y here if you want the debug print routines to direct 348 their output to the UART on Highbank based devices. 349 350 config DEBUG_HIP01_UART 351 bool "Hisilicon Hip01 Debug UART" 352 depends on ARCH_HIP01 353 select DEBUG_UART_8250 354 help 355 Say Y here if you want kernel low-level debugging support 356 on HIP01 UART. 357 358 config DEBUG_HIP04_UART 359 bool "Hisilicon HiP04 Debug UART" 360 depends on ARCH_HIP04 361 select DEBUG_UART_8250 362 help 363 Say Y here if you want kernel low-level debugging support 364 on HIP04 UART. 365 366 config DEBUG_HIX5HD2_UART 367 bool "Hisilicon Hix5hd2 Debug UART" 368 depends on ARCH_HIX5HD2 369 select DEBUG_UART_PL01X 370 help 371 Say Y here if you want kernel low-level debugging support 372 on Hix5hd2 UART. 373 374 config DEBUG_IMX1_UART 375 bool "i.MX1 Debug UART" 376 depends on SOC_IMX1 377 help 378 Say Y here if you want kernel low-level debugging support 379 on i.MX1. 380 381 config DEBUG_IMX23_UART 382 bool "i.MX23 Debug UART" 383 depends on SOC_IMX23 384 select DEBUG_UART_PL01X 385 help 386 Say Y here if you want kernel low-level debugging support 387 on i.MX23. 388 389 config DEBUG_IMX25_UART 390 bool "i.MX25 Debug UART" 391 depends on SOC_IMX25 392 help 393 Say Y here if you want kernel low-level debugging support 394 on i.MX25. 395 396 config DEBUG_IMX21_IMX27_UART 397 bool "i.MX21 and i.MX27 Debug UART" 398 depends on SOC_IMX21 || SOC_IMX27 399 help 400 Say Y here if you want kernel low-level debugging support 401 on i.MX21 or i.MX27. 402 403 config DEBUG_IMX28_UART 404 bool "i.MX28 Debug UART" 405 depends on SOC_IMX28 406 select DEBUG_UART_PL01X 407 help 408 Say Y here if you want kernel low-level debugging support 409 on i.MX28. 410 411 config DEBUG_IMX31_UART 412 bool "i.MX31 Debug UART" 413 depends on SOC_IMX31 414 help 415 Say Y here if you want kernel low-level debugging support 416 on i.MX31. 417 418 config DEBUG_IMX35_UART 419 bool "i.MX35 Debug UART" 420 depends on SOC_IMX35 421 help 422 Say Y here if you want kernel low-level debugging support 423 on i.MX35. 424 425 config DEBUG_IMX50_UART 426 bool "i.MX50 Debug UART" 427 depends on SOC_IMX50 428 help 429 Say Y here if you want kernel low-level debugging support 430 on i.MX50. 431 432 config DEBUG_IMX51_UART 433 bool "i.MX51 Debug UART" 434 depends on SOC_IMX51 435 help 436 Say Y here if you want kernel low-level debugging support 437 on i.MX51. 438 439 config DEBUG_IMX53_UART 440 bool "i.MX53 Debug UART" 441 depends on SOC_IMX53 442 help 443 Say Y here if you want kernel low-level debugging support 444 on i.MX53. 445 446 config DEBUG_IMX6Q_UART 447 bool "i.MX6Q/DL Debug UART" 448 depends on SOC_IMX6Q 449 help 450 Say Y here if you want kernel low-level debugging support 451 on i.MX6Q/DL. 452 453 config DEBUG_IMX6SL_UART 454 bool "i.MX6SL Debug UART" 455 depends on SOC_IMX6SL 456 help 457 Say Y here if you want kernel low-level debugging support 458 on i.MX6SL. 459 460 config DEBUG_IMX6SX_UART 461 bool "i.MX6SX Debug UART" 462 depends on SOC_IMX6SX 463 help 464 Say Y here if you want kernel low-level debugging support 465 on i.MX6SX. 466 467 config DEBUG_IMX6UL_UART 468 bool "i.MX6UL Debug UART" 469 depends on SOC_IMX6UL 470 help 471 Say Y here if you want kernel low-level debugging support 472 on i.MX6UL. 473 474 config DEBUG_IMX7D_UART 475 bool "i.MX7D Debug UART" 476 depends on SOC_IMX7D 477 help 478 Say Y here if you want kernel low-level debugging support 479 on i.MX7D. 480 481 config DEBUG_INTEGRATOR 482 bool "Kernel low-level debugging messages via ARM Integrator UART" 483 depends on ARCH_INTEGRATOR 484 select DEBUG_UART_PL01X 485 help 486 Say Y here if you want kernel low-level debugging support 487 on ARM Integrator platforms. 488 489 config DEBUG_KEYSTONE_UART0 490 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 491 depends on ARCH_KEYSTONE 492 select DEBUG_UART_8250 493 help 494 Say Y here if you want the debug print routines to direct 495 their output to UART0 serial port on KEYSTONE2 devices. 496 497 config DEBUG_KEYSTONE_UART1 498 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 499 depends on ARCH_KEYSTONE 500 select DEBUG_UART_8250 501 help 502 Say Y here if you want the debug print routines to direct 503 their output to UART1 serial port on KEYSTONE2 devices. 504 505 config DEBUG_KS8695_UART 506 bool "KS8695 Debug UART" 507 depends on ARCH_KS8695 508 help 509 Say Y here if you want kernel low-level debugging support 510 on KS8695. 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_NETX_UART 635 bool "Kernel low-level debugging messages via NetX UART" 636 depends on ARCH_NETX 637 help 638 Say Y here if you want kernel low-level debugging support 639 on Hilscher NetX based platforms. 640 641 config DEBUG_NOMADIK_UART 642 bool "Kernel low-level debugging messages via NOMADIK UART" 643 depends on ARCH_NOMADIK 644 select DEBUG_UART_PL01X 645 help 646 Say Y here if you want kernel low-level debugging support 647 on NOMADIK based platforms. 648 649 config DEBUG_NSPIRE_CLASSIC_UART 650 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 651 depends on ARCH_NSPIRE 652 select DEBUG_UART_8250 653 help 654 Say Y here if you want kernel low-level debugging support 655 on TI-NSPIRE classic models. 656 657 config DEBUG_NSPIRE_CX_UART 658 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 659 depends on ARCH_NSPIRE 660 select DEBUG_UART_PL01X 661 help 662 Say Y here if you want kernel low-level debugging support 663 on TI-NSPIRE CX models. 664 665 config DEBUG_OMAP1UART1 666 bool "Kernel low-level debugging via OMAP1 UART1" 667 depends on ARCH_OMAP1 668 select DEBUG_UART_8250 669 help 670 Say Y here if you want kernel low-level debugging support 671 on OMAP1 based platforms (except OMAP730) on the UART1. 672 673 config DEBUG_OMAP1UART2 674 bool "Kernel low-level debugging via OMAP1 UART2" 675 depends on ARCH_OMAP1 676 select DEBUG_UART_8250 677 help 678 Say Y here if you want kernel low-level debugging support 679 on OMAP1 based platforms (except OMAP730) on the UART2. 680 681 config DEBUG_OMAP1UART3 682 bool "Kernel low-level debugging via OMAP1 UART3" 683 depends on ARCH_OMAP1 684 select DEBUG_UART_8250 685 help 686 Say Y here if you want kernel low-level debugging support 687 on OMAP1 based platforms (except OMAP730) on the UART3. 688 689 config DEBUG_OMAP2UART1 690 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 691 depends on ARCH_OMAP2PLUS 692 select DEBUG_UART_8250 693 help 694 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 695 omap3 torpedo and 3530 lv som. 696 697 config DEBUG_OMAP2UART2 698 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 699 depends on ARCH_OMAP2PLUS 700 select DEBUG_UART_8250 701 702 config DEBUG_OMAP2UART3 703 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 704 depends on ARCH_OMAP2PLUS 705 select DEBUG_UART_8250 706 707 config DEBUG_OMAP3UART3 708 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 709 depends on ARCH_OMAP2PLUS 710 select DEBUG_UART_8250 711 help 712 This covers at least cm_t3x, beagle, crane, devkit8000, 713 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 714 and 3517evm. 715 716 config DEBUG_OMAP4UART3 717 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 718 depends on ARCH_OMAP2PLUS 719 select DEBUG_UART_8250 720 721 config DEBUG_OMAP3UART4 722 bool "Kernel low-level debugging messages via OMAP36XX UART4" 723 depends on ARCH_OMAP2PLUS 724 select DEBUG_UART_8250 725 726 config DEBUG_OMAP4UART4 727 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 728 depends on ARCH_OMAP2PLUS 729 select DEBUG_UART_8250 730 731 config DEBUG_OMAP7XXUART1 732 bool "Kernel low-level debugging via OMAP730 UART1" 733 depends on ARCH_OMAP730 734 select DEBUG_UART_8250 735 help 736 Say Y here if you want kernel low-level debugging support 737 on OMAP730 based platforms on the UART1. 738 739 config DEBUG_OMAP7XXUART2 740 bool "Kernel low-level debugging via OMAP730 UART2" 741 depends on ARCH_OMAP730 742 select DEBUG_UART_8250 743 help 744 Say Y here if you want kernel low-level debugging support 745 on OMAP730 based platforms on the UART2. 746 747 config DEBUG_OMAP7XXUART3 748 bool "Kernel low-level debugging via OMAP730 UART3" 749 depends on ARCH_OMAP730 750 select DEBUG_UART_8250 751 help 752 Say Y here if you want kernel low-level debugging support 753 on OMAP730 based platforms on the UART3. 754 755 config DEBUG_TI81XXUART1 756 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 757 depends on ARCH_OMAP2PLUS 758 select DEBUG_UART_8250 759 760 config DEBUG_TI81XXUART2 761 bool "Kernel low-level debugging messages via TI81XX UART2" 762 depends on ARCH_OMAP2PLUS 763 select DEBUG_UART_8250 764 765 config DEBUG_TI81XXUART3 766 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 767 depends on ARCH_OMAP2PLUS 768 select DEBUG_UART_8250 769 770 config DEBUG_AM33XXUART1 771 bool "Kernel low-level debugging messages via AM33XX UART1" 772 depends on ARCH_OMAP2PLUS 773 select DEBUG_UART_8250 774 775 config DEBUG_ZOOM_UART 776 bool "Kernel low-level debugging messages via Zoom2/3 UART" 777 depends on ARCH_OMAP2PLUS 778 select DEBUG_OMAP2PLUS_UART 779 780 config DEBUG_PICOXCELL_UART 781 depends on ARCH_PICOXCELL 782 bool "Use PicoXcell UART for low-level debug" 783 select DEBUG_UART_8250 784 help 785 Say Y here if you want kernel low-level debugging support 786 on PicoXcell based platforms. 787 788 config DEBUG_PXA_UART1 789 depends on ARCH_PXA 790 bool "Use PXA UART1 for low-level debug" 791 select DEBUG_UART_8250 792 help 793 Say Y here if you want kernel low-level debugging support 794 on PXA UART1. 795 796 config DEBUG_QCOM_UARTDM 797 bool "Kernel low-level debugging messages via QCOM UARTDM" 798 depends on ARCH_QCOM 799 help 800 Say Y here if you want the debug print routines to direct 801 their output to the serial port on Qualcomm devices. 802 803 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 804 APQ8064 0x16640000 0xf0040000 805 APQ8084 0xf995e000 0xfa75e000 806 IPQ4019 0x078af000 0xf78af000 807 MSM8X60 0x19c40000 0xf0040000 808 MSM8960 0x16440000 0xf0040000 809 MSM8974 0xf991e000 0xfa71e000 810 811 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 812 options based on your needs. 813 814 config DEBUG_REALVIEW_STD_PORT 815 bool "RealView Default UART" 816 depends on ARCH_REALVIEW 817 select DEBUG_UART_PL01X 818 help 819 Say Y here if you want the debug print routines to direct 820 their output to the serial port on RealView EB, PB11MP, PBA8 821 and PBX platforms. 822 823 config DEBUG_REALVIEW_PB1176_PORT 824 bool "RealView PB1176 UART" 825 depends on MACH_REALVIEW_PB1176 826 select DEBUG_UART_PL01X 827 help 828 Say Y here if you want the debug print routines to direct 829 their output to the standard serial port on the RealView 830 PB1176 platform. 831 832 config DEBUG_RV1108_UART0 833 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 834 depends on ARCH_ROCKCHIP 835 select DEBUG_UART_8250 836 help 837 Say Y here if you want kernel low-level debugging support 838 on Rockchip RV1108 based platforms. 839 840 config DEBUG_RV1108_UART1 841 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 842 depends on ARCH_ROCKCHIP 843 select DEBUG_UART_8250 844 help 845 Say Y here if you want kernel low-level debugging support 846 on Rockchip RV1108 based platforms. 847 848 config DEBUG_RV1108_UART2 849 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 850 depends on ARCH_ROCKCHIP 851 select DEBUG_UART_8250 852 help 853 Say Y here if you want kernel low-level debugging support 854 on Rockchip RV1108 based platforms. 855 856 config DEBUG_RK29_UART0 857 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 858 depends on ARCH_ROCKCHIP 859 select DEBUG_UART_8250 860 help 861 Say Y here if you want kernel low-level debugging support 862 on Rockchip based platforms. 863 864 config DEBUG_RK29_UART1 865 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 866 depends on ARCH_ROCKCHIP 867 select DEBUG_UART_8250 868 help 869 Say Y here if you want kernel low-level debugging support 870 on Rockchip based platforms. 871 872 config DEBUG_RK29_UART2 873 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 874 depends on ARCH_ROCKCHIP 875 select DEBUG_UART_8250 876 help 877 Say Y here if you want kernel low-level debugging support 878 on Rockchip based platforms. 879 880 config DEBUG_RK3X_UART0 881 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 882 depends on ARCH_ROCKCHIP 883 select DEBUG_UART_8250 884 help 885 Say Y here if you want kernel low-level debugging support 886 on Rockchip based platforms. 887 888 config DEBUG_RK3X_UART1 889 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 890 depends on ARCH_ROCKCHIP 891 select DEBUG_UART_8250 892 help 893 Say Y here if you want kernel low-level debugging support 894 on Rockchip based platforms. 895 896 config DEBUG_RK3X_UART2 897 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 898 depends on ARCH_ROCKCHIP 899 select DEBUG_UART_8250 900 help 901 Say Y here if you want kernel low-level debugging support 902 on Rockchip based platforms. 903 904 config DEBUG_RK3X_UART3 905 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 906 depends on ARCH_ROCKCHIP 907 select DEBUG_UART_8250 908 help 909 Say Y here if you want kernel low-level debugging support 910 on Rockchip based platforms. 911 912 config DEBUG_RK32_UART2 913 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 914 depends on ARCH_ROCKCHIP 915 select DEBUG_UART_8250 916 help 917 Say Y here if you want kernel low-level debugging support 918 on Rockchip RK32xx based platforms. 919 920 config DEBUG_R7S72100_SCIF2 921 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 922 depends on ARCH_R7S72100 923 help 924 Say Y here if you want kernel low-level debugging support 925 via SCIF2 on Renesas RZ/A1H (R7S72100). 926 927 config DEBUG_RCAR_GEN1_SCIF0 928 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 929 depends on ARCH_R8A7778 930 help 931 Say Y here if you want kernel low-level debugging support 932 via SCIF0 on Renesas R-Car M1A (R8A7778). 933 934 config DEBUG_RCAR_GEN1_SCIF2 935 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 936 depends on ARCH_R8A7779 937 help 938 Say Y here if you want kernel low-level debugging support 939 via SCIF2 on Renesas R-Car H1 (R8A7779). 940 941 config DEBUG_RCAR_GEN2_SCIF0 942 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 943 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 944 ARCH_R8A7792 || ARCH_R8A7793 945 help 946 Say Y here if you want kernel low-level debugging support 947 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 948 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 949 950 config DEBUG_RCAR_GEN2_SCIF1 951 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 952 depends on ARCH_R8A77470 953 help 954 Say Y here if you want kernel low-level debugging support 955 via SCIF1 on Renesas RZ/G1C (R8A77470). 956 957 config DEBUG_RCAR_GEN2_SCIF2 958 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 959 depends on ARCH_R8A7794 960 help 961 Say Y here if you want kernel low-level debugging support 962 via SCIF2 on Renesas R-Car E2 (R8A7794). 963 964 config DEBUG_RCAR_GEN2_SCIF4 965 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 966 depends on ARCH_R8A7745 967 help 968 Say Y here if you want kernel low-level debugging support 969 via SCIF4 on Renesas RZ/G1E (R8A7745). 970 971 config DEBUG_RMOBILE_SCIFA0 972 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 973 depends on ARCH_R8A73A4 974 help 975 Say Y here if you want kernel low-level debugging support 976 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 977 978 config DEBUG_RMOBILE_SCIFA1 979 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 980 depends on ARCH_R8A7740 981 help 982 Say Y here if you want kernel low-level debugging support 983 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 984 985 config DEBUG_RMOBILE_SCIFA4 986 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 987 depends on ARCH_SH73A0 988 help 989 Say Y here if you want kernel low-level debugging support 990 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 991 992 config DEBUG_S3C_UART0 993 depends on PLAT_SAMSUNG 994 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 995 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 996 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 997 select DEBUG_S5PV210_UART if ARCH_S5PV210 998 bool "Use Samsung S3C UART 0 for low-level debug" 999 help 1000 Say Y here if you want the debug print routines to direct 1001 their output to UART 0. The port must have been initialised 1002 by the boot-loader before use. 1003 1004 config DEBUG_S3C_UART1 1005 depends on PLAT_SAMSUNG 1006 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1007 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1008 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1009 select DEBUG_S5PV210_UART if ARCH_S5PV210 1010 bool "Use Samsung S3C UART 1 for low-level debug" 1011 help 1012 Say Y here if you want the debug print routines to direct 1013 their output to UART 1. The port must have been initialised 1014 by the boot-loader before use. 1015 1016 config DEBUG_S3C_UART2 1017 depends on PLAT_SAMSUNG 1018 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1019 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1020 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1021 select DEBUG_S5PV210_UART if ARCH_S5PV210 1022 bool "Use Samsung S3C UART 2 for low-level debug" 1023 help 1024 Say Y here if you want the debug print routines to direct 1025 their output to UART 2. The port must have been initialised 1026 by the boot-loader before use. 1027 1028 config DEBUG_S3C_UART3 1029 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 1030 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1031 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1032 select DEBUG_S5PV210_UART if ARCH_S5PV210 1033 bool "Use Samsung S3C UART 3 for low-level debug" 1034 help 1035 Say Y here if you want the debug print routines to direct 1036 their output to UART 3. The port must have been initialised 1037 by the boot-loader before use. 1038 1039 config DEBUG_S3C2410_UART0 1040 depends on ARCH_S3C24XX 1041 select DEBUG_S3C2410_UART 1042 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1043 help 1044 Say Y here if you want the debug print routines to direct 1045 their output to UART 0. The port must have been initialised 1046 by the boot-loader before use. 1047 1048 config DEBUG_S3C2410_UART1 1049 depends on ARCH_S3C24XX 1050 select DEBUG_S3C2410_UART 1051 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1052 help 1053 Say Y here if you want the debug print routines to direct 1054 their output to UART 1. The port must have been initialised 1055 by the boot-loader before use. 1056 1057 config DEBUG_S3C2410_UART2 1058 depends on ARCH_S3C24XX 1059 select DEBUG_S3C2410_UART 1060 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1061 help 1062 Say Y here if you want the debug print routines to direct 1063 their output to UART 2. The port must have been initialised 1064 by the boot-loader before use. 1065 1066 config DEBUG_SA1100 1067 depends on ARCH_SA1100 1068 bool "Use SA1100 UARTs for low-level debug" 1069 help 1070 Say Y here if you want kernel low-level debugging support 1071 on SA-11x0 UART ports. The kernel will check for the first 1072 enabled UART in a sequence 3-1-2. 1073 1074 config DEBUG_SOCFPGA_UART0 1075 depends on ARCH_SOCFPGA 1076 bool "Use SOCFPGA UART0 for low-level debug" 1077 select DEBUG_UART_8250 1078 help 1079 Say Y here if you want kernel low-level debugging support 1080 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1081 1082 config DEBUG_SOCFPGA_UART1 1083 depends on ARCH_SOCFPGA 1084 bool "Use SOCFPGA UART1 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(Arria 10) based platforms. 1089 1090 1091 config DEBUG_SUN9I_UART0 1092 bool "Kernel low-level debugging messages via sun9i UART0" 1093 depends on MACH_SUN9I 1094 select DEBUG_UART_8250 1095 help 1096 Say Y here if you want kernel low-level debugging support 1097 on Allwinner A80 based platforms on the UART0. 1098 1099 config DEBUG_SUNXI_UART0 1100 bool "Kernel low-level debugging messages via sunXi UART0" 1101 depends on ARCH_SUNXI 1102 select DEBUG_UART_8250 1103 help 1104 Say Y here if you want kernel low-level debugging support 1105 on Allwinner A1X based platforms on the UART0. 1106 1107 config DEBUG_SUNXI_UART1 1108 bool "Kernel low-level debugging messages via sunXi UART1" 1109 depends on ARCH_SUNXI 1110 select DEBUG_UART_8250 1111 help 1112 Say Y here if you want kernel low-level debugging support 1113 on Allwinner A1X based platforms on the UART1. 1114 1115 config DEBUG_SUNXI_R_UART 1116 bool "Kernel low-level debugging messages via sunXi R_UART" 1117 depends on MACH_SUN6I || MACH_SUN8I 1118 select DEBUG_UART_8250 1119 help 1120 Say Y here if you want kernel low-level debugging support 1121 on Allwinner A31/A23 based platforms on the R_UART. 1122 1123 config DEBUG_SIRFPRIMA2_UART1 1124 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1125 depends on ARCH_PRIMA2 1126 select DEBUG_SIRFSOC_UART 1127 help 1128 Say Y here if you want the debug print routines to direct 1129 their output to the uart1 port on SiRFprimaII devices. 1130 1131 config DEBUG_SIRFATLAS7_UART0 1132 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1133 depends on ARCH_ATLAS7 1134 select DEBUG_SIRFSOC_UART 1135 help 1136 Say Y here if you want the debug print routines to direct 1137 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1138 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1139 debug port can be very useful. 1140 1141 config DEBUG_SIRFATLAS7_UART1 1142 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1143 depends on ARCH_ATLAS7 1144 select DEBUG_SIRFSOC_UART 1145 help 1146 Say Y here if you want the debug print routines to direct 1147 their output to the uart1 port on SiRFATLAS7 devices. 1148 1149 config DEBUG_SPEAR3XX 1150 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1151 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1152 select DEBUG_UART_PL01X 1153 help 1154 Say Y here if you want kernel low-level debugging support 1155 on ST SPEAr based platforms. 1156 1157 config DEBUG_SPEAR13XX 1158 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1159 depends on ARCH_SPEAR13XX 1160 select DEBUG_UART_PL01X 1161 help 1162 Say Y here if you want kernel low-level debugging support 1163 on ST SPEAr13xx based platforms. 1164 1165 config STIH41X_DEBUG_ASC2 1166 bool "Use StiH415/416 ASC2 UART for low-level debug" 1167 depends on ARCH_STI 1168 select DEBUG_STI_UART 1169 help 1170 Say Y here if you want kernel low-level debugging support 1171 on STiH415/416 based platforms like b2000, which has 1172 default UART wired up to ASC2. 1173 1174 If unsure, say N. 1175 1176 config STIH41X_DEBUG_SBC_ASC1 1177 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1178 depends on ARCH_STI 1179 select DEBUG_STI_UART 1180 help 1181 Say Y here if you want kernel low-level debugging support 1182 on STiH415/416 based platforms like b2020. which has 1183 default UART wired up to SBC ASC1. 1184 1185 If unsure, say N. 1186 1187 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1188 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1189 depends on ARCH_TEGRA 1190 select DEBUG_TEGRA_UART 1191 help 1192 Automatically determines which UART to use for low-level 1193 debug based on the ODMDATA value. This value is part of 1194 the BCT, and is written to the boot memory device using 1195 nvflash, or other flashing tool. When bits 19:18 are 3, 1196 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1197 are UART A/B/C/D/E. 1198 1199 config TEGRA_DEBUG_UARTA 1200 bool "Kernel low-level debugging messages via Tegra UART A" 1201 depends on ARCH_TEGRA 1202 select DEBUG_TEGRA_UART 1203 help 1204 Say Y here if you want kernel low-level debugging support 1205 on Tegra based platforms. 1206 1207 config TEGRA_DEBUG_UARTB 1208 bool "Kernel low-level debugging messages via Tegra UART B" 1209 depends on ARCH_TEGRA 1210 select DEBUG_TEGRA_UART 1211 help 1212 Say Y here if you want kernel low-level debugging support 1213 on Tegra based platforms. 1214 1215 config TEGRA_DEBUG_UARTC 1216 bool "Kernel low-level debugging messages via Tegra UART C" 1217 depends on ARCH_TEGRA 1218 select DEBUG_TEGRA_UART 1219 help 1220 Say Y here if you want kernel low-level debugging support 1221 on Tegra based platforms. 1222 1223 config TEGRA_DEBUG_UARTD 1224 bool "Kernel low-level debugging messages via Tegra UART D" 1225 depends on ARCH_TEGRA 1226 select DEBUG_TEGRA_UART 1227 help 1228 Say Y here if you want kernel low-level debugging support 1229 on Tegra based platforms. 1230 1231 config TEGRA_DEBUG_UARTE 1232 bool "Kernel low-level debugging messages via Tegra UART E" 1233 depends on ARCH_TEGRA 1234 select DEBUG_TEGRA_UART 1235 help 1236 Say Y here if you want kernel low-level debugging support 1237 on Tegra based platforms. 1238 1239 config DEBUG_U300_UART 1240 bool "Kernel low-level debugging messages via U300 UART0" 1241 depends on ARCH_U300 1242 select DEBUG_UART_PL01X 1243 help 1244 Say Y here if you want the debug print routines to direct 1245 their output to the uart port on U300 devices. 1246 1247 config DEBUG_UX500_UART 1248 depends on ARCH_U8500 1249 bool "Use Ux500 UART for low-level debug" 1250 help 1251 Say Y here if you want kernel low-level debugging support 1252 on Ux500 based platforms. 1253 1254 config DEBUG_VERSATILE 1255 bool "Kernel low-level debugging messages via ARM Versatile UART" 1256 depends on ARCH_VERSATILE 1257 select DEBUG_UART_PL01X 1258 help 1259 Say Y here if you want kernel low-level debugging support 1260 on ARM Versatile platforms. 1261 1262 config DEBUG_VEXPRESS_UART0_DETECT 1263 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1264 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1265 help 1266 This option enables a simple heuristic which tries to determine 1267 the motherboard's memory map variant (original or RS1) and then 1268 choose the relevant UART0 base address. 1269 1270 Note that this will only work with standard A-class core tiles, 1271 and may fail with non-standard SMM or custom software models. 1272 1273 config DEBUG_VEXPRESS_UART0_CA9 1274 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1275 depends on ARCH_VEXPRESS 1276 select DEBUG_UART_PL01X 1277 help 1278 This option selects UART0 at 0x10009000. Except for custom models, 1279 this applies only to the V2P-CA9 tile. 1280 1281 config DEBUG_VEXPRESS_UART0_RS1 1282 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1283 depends on ARCH_VEXPRESS 1284 select DEBUG_UART_PL01X 1285 help 1286 This option selects UART0 at 0x1c090000. This applies to most 1287 of the tiles using the RS1 memory map, including all new A-class 1288 core tiles, FPGA-based SMMs and software models. 1289 1290 config DEBUG_VEXPRESS_UART0_CRX 1291 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1292 depends on ARCH_VEXPRESS && !MMU 1293 select DEBUG_UART_PL01X 1294 help 1295 This option selects UART0 at 0xb0090000. This is appropriate for 1296 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1297 1298 config DEBUG_VF_UART 1299 bool "Vybrid UART" 1300 depends on SOC_VF610 1301 help 1302 Say Y here if you want kernel low-level debugging support 1303 on Vybrid based platforms. 1304 1305 config DEBUG_VT8500_UART0 1306 bool "Use UART0 on VIA/Wondermedia SoCs" 1307 depends on ARCH_VT8500 1308 help 1309 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1310 devices, including VT8500, WM8505, WM8650 and WM8850. 1311 1312 config DEBUG_ZTE_ZX 1313 bool "Use ZTE ZX UART" 1314 select DEBUG_UART_PL01X 1315 depends on ARCH_ZX 1316 help 1317 Say Y here if you are enabling ZTE ZX296702 SOC and need 1318 debug uart support. 1319 1320 This option is preferred over the platform specific 1321 options; the platform specific options are deprecated 1322 and will be soon removed. 1323 1324 config DEBUG_ZYNQ_UART0 1325 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1326 depends on ARCH_ZYNQ 1327 help 1328 Say Y here if you want the debug print routines to direct 1329 their output to UART0 on the Zynq platform. 1330 1331 config DEBUG_ZYNQ_UART1 1332 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1333 depends on ARCH_ZYNQ 1334 help 1335 Say Y here if you want the debug print routines to direct 1336 their output to UART1 on the Zynq platform. 1337 1338 If you have a ZC702 board and want early boot messages to 1339 appear on the USB serial adaptor, select this option. 1340 1341 config DEBUG_ICEDCC 1342 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1343 help 1344 Say Y here if you want the debug print routines to direct 1345 their output to the EmbeddedICE macrocell's DCC channel using 1346 co-processor 14. This is known to work on the ARM9 style ICE 1347 channel and on the XScale with the PEEDI. 1348 1349 Note that the system will appear to hang during boot if there 1350 is nothing connected to read from the DCC. 1351 1352 config DEBUG_SEMIHOSTING 1353 bool "Kernel low-level debug output via semihosting I/O" 1354 help 1355 Semihosting enables code running on an ARM target to use 1356 the I/O facilities on a host debugger/emulator through a 1357 simple SVC call. The host debugger or emulator must have 1358 semihosting enabled for the special svc call to be trapped 1359 otherwise the kernel will crash. 1360 1361 This is known to work with OpenOCD, as well as 1362 ARM's Fast Models, or any other controlling environment 1363 that implements semihosting. 1364 1365 For more details about semihosting, please see 1366 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1367 1368 config DEBUG_LL_UART_8250 1369 bool "Kernel low-level debugging via 8250 UART" 1370 help 1371 Say Y here if you wish the debug print routes to direct 1372 their output to an 8250 UART. You can use this option 1373 to provide the parameters for the 8250 UART rather than 1374 selecting one of the platform specific options above if 1375 you know the parameters for the port. 1376 1377 This option is preferred over the platform specific 1378 options; the platform specific options are deprecated 1379 and will be soon removed. 1380 1381 config DEBUG_LL_UART_EFM32 1382 bool "Kernel low-level debugging via efm32 UART" 1383 depends on ARCH_EFM32 1384 help 1385 Say Y here if you want the debug print routines to direct 1386 their output to an UART or USART port on efm32 based 1387 machines. Use the following addresses for DEBUG_UART_PHYS: 1388 1389 0x4000c000 | USART0 1390 0x4000c400 | USART1 1391 0x4000c800 | USART2 1392 0x4000e000 | UART0 1393 0x4000e400 | UART1 1394 1395 config DEBUG_LL_UART_PL01X 1396 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1397 help 1398 Say Y here if you wish the debug print routes to direct 1399 their output to a PL01x Primecell UART. You can use 1400 this option to provide the parameters for the UART 1401 rather than selecting one of the platform specific 1402 options above if you know the parameters for the port. 1403 1404 This option is preferred over the platform specific 1405 options; the platform specific options are deprecated 1406 and will be soon removed. 1407 1408endchoice 1409 1410config DEBUG_AT91_UART 1411 bool 1412 depends on ARCH_AT91 1413 1414config DEBUG_EXYNOS_UART 1415 bool 1416 1417config DEBUG_S3C2410_UART 1418 bool 1419 select DEBUG_S3C24XX_UART 1420 1421config DEBUG_S3C24XX_UART 1422 bool 1423 1424config DEBUG_S3C64XX_UART 1425 bool 1426 1427config DEBUG_S5PV210_UART 1428 bool 1429 1430config DEBUG_OMAP2PLUS_UART 1431 bool 1432 depends on ARCH_OMAP2PLUS 1433 1434config DEBUG_IMX_UART_PORT 1435 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1436 DEBUG_IMX25_UART || \ 1437 DEBUG_IMX21_IMX27_UART || \ 1438 DEBUG_IMX31_UART || \ 1439 DEBUG_IMX35_UART || \ 1440 DEBUG_IMX50_UART || \ 1441 DEBUG_IMX51_UART || \ 1442 DEBUG_IMX53_UART || \ 1443 DEBUG_IMX6Q_UART || \ 1444 DEBUG_IMX6SL_UART || \ 1445 DEBUG_IMX6SX_UART || \ 1446 DEBUG_IMX6UL_UART || \ 1447 DEBUG_IMX7D_UART 1448 default 1 1449 depends on ARCH_MXC 1450 help 1451 Choose UART port on which kernel low-level debug messages 1452 should be output. 1453 1454config DEBUG_VF_UART_PORT 1455 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1456 default 1 1457 range 0 3 1458 depends on SOC_VF610 1459 help 1460 Choose UART port on which kernel low-level debug messages 1461 should be output. 1462 1463config DEBUG_TEGRA_UART 1464 bool 1465 depends on ARCH_TEGRA 1466 1467config DEBUG_STI_UART 1468 bool 1469 depends on ARCH_STI 1470 1471config DEBUG_SIRFSOC_UART 1472 bool 1473 depends on ARCH_SIRF 1474 1475config DEBUG_LL_INCLUDE 1476 string 1477 default "debug/sa1100.S" if DEBUG_SA1100 1478 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1479 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1480 default "debug/at91.S" if DEBUG_AT91_UART 1481 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1482 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1483 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1484 default "debug/meson.S" if DEBUG_MESON_UARTAO 1485 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1486 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1487 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1488 default "debug/icedcc.S" if DEBUG_ICEDCC 1489 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1490 DEBUG_IMX25_UART || \ 1491 DEBUG_IMX21_IMX27_UART || \ 1492 DEBUG_IMX31_UART || \ 1493 DEBUG_IMX35_UART || \ 1494 DEBUG_IMX50_UART || \ 1495 DEBUG_IMX51_UART || \ 1496 DEBUG_IMX53_UART ||\ 1497 DEBUG_IMX6Q_UART || \ 1498 DEBUG_IMX6SL_UART || \ 1499 DEBUG_IMX6SX_UART || \ 1500 DEBUG_IMX6UL_UART || \ 1501 DEBUG_IMX7D_UART 1502 default "debug/ks8695.S" if DEBUG_KS8695_UART 1503 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1504 default "debug/netx.S" if DEBUG_NETX_UART 1505 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1506 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1507 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1508 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1509 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1510 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1511 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1512 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1513 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1514 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1515 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1516 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1517 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1518 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1519 default "debug/sti.S" if DEBUG_STI_UART 1520 default "debug/tegra.S" if DEBUG_TEGRA_UART 1521 default "debug/ux500.S" if DEBUG_UX500_UART 1522 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1523 default "debug/vf.S" if DEBUG_VF_UART 1524 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1525 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1526 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1527 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1528 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1529 default "mach/debug-macro.S" 1530 1531# Compatibility options for PL01x 1532config DEBUG_UART_PL01X 1533 bool 1534 1535# Compatibility options for 8250 1536config DEBUG_UART_8250 1537 def_bool ARCH_EBSA110 || \ 1538 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1539 ARCH_RPC 1540 1541config DEBUG_UART_PHYS 1542 hex "Physical base address of debug UART" 1543 default 0x00100a00 if DEBUG_NETX_UART 1544 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1545 default 0x01c28000 if DEBUG_SUNXI_UART0 1546 default 0x01c28400 if DEBUG_SUNXI_UART1 1547 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1548 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1549 default 0x01f02800 if DEBUG_SUNXI_R_UART 1550 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1551 default 0x02531000 if DEBUG_KEYSTONE_UART1 1552 default 0x03010fe0 if ARCH_RPC 1553 default 0x07000000 if DEBUG_SUN9I_UART0 1554 default 0x09405000 if DEBUG_ZTE_ZX 1555 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1556 DEBUG_VEXPRESS_UART0_CA9 1557 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1558 default 0x10124000 if DEBUG_RK3X_UART0 1559 default 0x10126000 if DEBUG_RK3X_UART1 1560 default 0x101f1000 if DEBUG_VERSATILE 1561 default 0x101fb000 if DEBUG_NOMADIK_UART 1562 default 0x10210000 if DEBUG_RV1108_UART2 1563 default 0x10220000 if DEBUG_RV1108_UART1 1564 default 0x10230000 if DEBUG_RV1108_UART0 1565 default 0x11002000 if DEBUG_MT8127_UART0 1566 default 0x11006000 if DEBUG_MT6589_UART0 1567 default 0x11009000 if DEBUG_MT8135_UART3 1568 default 0x16000000 if DEBUG_INTEGRATOR 1569 default 0x18000300 if DEBUG_BCM_5301X 1570 default 0x18000400 if DEBUG_BCM_HR2 1571 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1572 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1573 default 0x18023000 if DEBUG_BCM_IPROC_UART3 1574 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1575 default 0x20001000 if DEBUG_HIP01_UART 1576 default 0x20060000 if DEBUG_RK29_UART0 1577 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1578 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1579 default 0x20201000 if DEBUG_BCM2835 1580 default 0x3e000000 if DEBUG_BCM_KONA_UART 1581 default 0x3f201000 if DEBUG_BCM2836 1582 default 0x4000e400 if DEBUG_LL_UART_EFM32 1583 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1584 default 0x40081000 if DEBUG_LPC18XX_UART0 1585 default 0x40090000 if DEBUG_LPC32XX 1586 default 0x40100000 if DEBUG_PXA_UART1 1587 default 0x42000000 if DEBUG_GEMINI 1588 default 0x44e09000 if DEBUG_AM33XXUART1 1589 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1590 default 0x48022000 if DEBUG_TI81XXUART2 1591 default 0x48024000 if DEBUG_TI81XXUART3 1592 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1593 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1594 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1595 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1596 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1597 default 0x49020000 if DEBUG_OMAP3UART3 1598 default 0x49042000 if DEBUG_OMAP3UART4 1599 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1600 DEBUG_S3C2410_UART0) 1601 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1602 DEBUG_S3C2410_UART1) 1603 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1604 DEBUG_S3C2410_UART2) 1605 default 0x78000000 if DEBUG_CNS3XXX 1606 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1607 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1608 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1609 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1610 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1611 default 0x80010000 if DEBUG_ASM9260_UART 1612 default 0x80070000 if DEBUG_IMX23_UART 1613 default 0x80074000 if DEBUG_IMX28_UART 1614 default 0x80230000 if DEBUG_PICOXCELL_UART 1615 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1616 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1617 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1618 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1619 default 0xc0013000 if DEBUG_U300_UART 1620 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1621 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1622 default 0xd0000000 if DEBUG_SPEAR3XX 1623 default 0xd0012000 if DEBUG_MVEBU_UART0 1624 default 0xc81004c0 if DEBUG_MESON_UARTAO 1625 default 0xd4017000 if DEBUG_MMP_UART2 1626 default 0xd4018000 if DEBUG_MMP_UART3 1627 default 0xe0000000 if DEBUG_SPEAR13XX 1628 default 0xe4007000 if DEBUG_HIP04_UART 1629 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1630 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1631 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1632 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1633 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1634 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1635 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1636 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1637 default 0xf0000be0 if ARCH_EBSA110 1638 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1639 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1640 default 0xf7fc9000 if DEBUG_BERLIN_UART 1641 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1642 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1643 default 0xf991e000 if DEBUG_QCOM_UARTDM 1644 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1645 default 0xfcb00000 if DEBUG_HI3620_UART 1646 default 0xfd883000 if DEBUG_ALPINE_UART0 1647 default 0xfe800000 if ARCH_IOP32X 1648 default 0xff690000 if DEBUG_RK32_UART2 1649 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1650 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1651 default 0xffd82340 if ARCH_IOP13XX 1652 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1653 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1654 default 0xfff36000 if DEBUG_HIGHBANK_UART 1655 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1656 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1657 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1658 default 0xfffe8600 if DEBUG_BCM63XX_UART 1659 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1660 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1661 default 0xfffff700 if ARCH_IOP33X 1662 depends on ARCH_EP93XX || \ 1663 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1664 DEBUG_LL_UART_EFM32 || \ 1665 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1666 DEBUG_NETX_UART || \ 1667 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1668 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1669 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1670 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1671 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1672 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1673 DEBUG_S3C64XX_UART || \ 1674 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1675 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1676 DEBUG_AT91_UART 1677 1678config DEBUG_UART_VIRT 1679 hex "Virtual base address of debug UART" 1680 default 0xc881f000 if DEBUG_RV1108_UART2 1681 default 0xc8821000 if DEBUG_RV1108_UART1 1682 default 0xc8912000 if DEBUG_RV1108_UART0 1683 default 0xe0000a00 if DEBUG_NETX_UART 1684 default 0xe0010fe0 if ARCH_RPC 1685 default 0xf0000be0 if ARCH_EBSA110 1686 default 0xf0010000 if DEBUG_ASM9260_UART 1687 default 0xf01fb000 if DEBUG_NOMADIK_UART 1688 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1689 default 0xf1000300 if DEBUG_BCM_5301X 1690 default 0xf1000400 if DEBUG_BCM_HR2 1691 default 0xf1002000 if DEBUG_MT8127_UART0 1692 default 0xf1006000 if DEBUG_MT6589_UART0 1693 default 0xf1009000 if DEBUG_MT8135_UART3 1694 default 0xf1023000 if DEBUG_BCM_IPROC_UART3 1695 default 0xf11f1000 if DEBUG_VERSATILE 1696 default 0xf1600000 if DEBUG_INTEGRATOR 1697 default 0xf1c28000 if DEBUG_SUNXI_UART0 1698 default 0xf1c28400 if DEBUG_SUNXI_UART1 1699 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1700 default 0xf31004c0 if DEBUG_MESON_UARTAO 1701 default 0xf4090000 if DEBUG_LPC32XX 1702 default 0xf4200000 if DEBUG_GEMINI 1703 default 0xf6200000 if DEBUG_PXA_UART1 1704 default 0xf7000000 if DEBUG_SUN9I_UART0 1705 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1706 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1707 DEBUG_S3C2410_UART0) 1708 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1709 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1710 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1711 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1712 DEBUG_S3C2410_UART1) 1713 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1714 DEBUG_S3C2410_UART2) 1715 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1716 default 0xf7fc9000 if DEBUG_BERLIN_UART 1717 default 0xf8007000 if DEBUG_HIP04_UART 1718 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1719 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1720 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1721 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1722 default 0xf9e09000 if DEBUG_AM33XXUART1 1723 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1724 default 0xfa022000 if DEBUG_TI81XXUART2 1725 default 0xfa024000 if DEBUG_TI81XXUART3 1726 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1727 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1728 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1729 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1730 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1731 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1732 default 0xfb002000 if DEBUG_CNS3XXX 1733 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1734 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1735 default 0xfb020000 if DEBUG_OMAP3UART3 1736 default 0xfb042000 if DEBUG_OMAP3UART4 1737 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1738 default 0xfc705000 if DEBUG_ZTE_ZX 1739 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1740 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1741 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1742 default 0xfd883000 if DEBUG_ALPINE_UART0 1743 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1744 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1745 default 0xfe017000 if DEBUG_MMP_UART2 1746 default 0xfe018000 if DEBUG_MMP_UART3 1747 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1748 default 0xfe230000 if DEBUG_PICOXCELL_UART 1749 default 0xfe300000 if DEBUG_BCM_KONA_UART 1750 default 0xfe800000 if ARCH_IOP32X 1751 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1752 default 0xfeb24000 if DEBUG_RK3X_UART0 1753 default 0xfeb26000 if DEBUG_RK3X_UART1 1754 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1755 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1756 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1757 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1758 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1759 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1760 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1761 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1762 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1763 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1764 default 0xfec90000 if DEBUG_RK32_UART2 1765 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1766 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1767 default 0xfed60000 if DEBUG_RK29_UART0 1768 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1769 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1770 default 0xfedc0000 if DEBUG_EP93XX 1771 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1772 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1773 default 0xfee82340 if ARCH_IOP13XX 1774 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1775 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1776 default 0xfef36000 if DEBUG_HIGHBANK_UART 1777 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1778 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1779 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1780 default 0xfefff700 if ARCH_IOP33X 1781 default 0xff003000 if DEBUG_U300_UART 1782 default 0xffd01000 if DEBUG_HIP01_UART 1783 default DEBUG_UART_PHYS if !MMU 1784 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1785 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1786 DEBUG_NETX_UART || \ 1787 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1788 DEBUG_S3C64XX_UART || \ 1789 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1790 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1791 DEBUG_AT91_UART 1792 1793config DEBUG_UART_8250_SHIFT 1794 int "Register offset shift for the 8250 debug UART" 1795 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1796 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1797 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1798 DEBUG_OMAP7XXUART3 1799 default 2 1800 1801config DEBUG_UART_8250_WORD 1802 bool "Use 32-bit accesses for 8250 UART" 1803 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1804 depends on DEBUG_UART_8250_SHIFT >= 2 1805 default y if DEBUG_PICOXCELL_UART || \ 1806 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1807 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1808 DEBUG_ALPINE_UART0 || \ 1809 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1810 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \ 1811 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1812 1813config DEBUG_UART_8250_PALMCHIP 1814 bool "8250 UART is Palmchip BK-310x" 1815 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1816 help 1817 Palmchip provides a UART implementation compatible with 16550 1818 except for having a different register layout. Say Y here if 1819 the debug UART is of this type. 1820 1821config DEBUG_UART_8250_FLOW_CONTROL 1822 bool "Enable flow control for 8250 UART" 1823 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1824 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1825 1826config DEBUG_UNCOMPRESS 1827 bool "Enable decompressor debugging via DEBUG_LL output" 1828 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1829 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1830 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1831 !DEBUG_BRCMSTB_UART 1832 help 1833 This option influences the normal decompressor output for 1834 multiplatform kernels. Normally, multiplatform kernels disable 1835 decompressor output because it is not possible to know where to 1836 send the decompressor output. 1837 1838 When this option is set, the selected DEBUG_LL output method 1839 will be re-used for normal decompressor output on multiplatform 1840 kernels. 1841 1842 1843config UNCOMPRESS_INCLUDE 1844 string 1845 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1846 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1847 default "mach/uncompress.h" 1848 1849config EARLY_PRINTK 1850 bool "Early printk" 1851 depends on DEBUG_LL 1852 help 1853 Say Y here if you want to have an early console using the 1854 kernel low-level debugging functions. Add earlyprintk to your 1855 kernel parameters to enable this console. 1856 1857config ARM_KPROBES_TEST 1858 tristate "Kprobes test module" 1859 depends on KPROBES && MODULES 1860 help 1861 Perform tests of kprobes API and instruction set simulation. 1862 1863config PID_IN_CONTEXTIDR 1864 bool "Write the current PID to the CONTEXTIDR register" 1865 depends on CPU_COPY_V6 1866 help 1867 Enabling this option causes the kernel to write the current PID to 1868 the PROCID field of the CONTEXTIDR register, at the expense of some 1869 additional instructions during context switch. Say Y here only if you 1870 are planning to use hardware trace tools with this kernel. 1871 1872source "drivers/hwtracing/coresight/Kconfig" 1873
