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_KONA_UART 208 bool "Kernel low-level debugging messages via BCM KONA UART" 209 depends on ARCH_BCM_MOBILE 210 select DEBUG_UART_8250 211 help 212 Say Y here if you want kernel low-level debugging support 213 on Broadcom SoC platforms. 214 This low level debug works for Broadcom 215 mobile SoCs in the Kona family of chips (e.g. bcm28155, 216 bcm11351, etc...) 217 218 config DEBUG_BCM63XX_UART 219 bool "Kernel low-level debugging on BCM63XX UART" 220 depends on ARCH_BCM_63XX 221 222 config DEBUG_BERLIN_UART 223 bool "Marvell Berlin SoC Debug UART" 224 depends on ARCH_BERLIN 225 select DEBUG_UART_8250 226 help 227 Say Y here if you want kernel low-level debugging support 228 on Marvell Berlin SoC based platforms. 229 230 config DEBUG_BRCMSTB_UART 231 bool "Use BRCMSTB UART for low-level debug" 232 depends on ARCH_BRCMSTB 233 help 234 Say Y here if you want the debug print routines to direct 235 their output to the first serial port on these devices. The 236 UART physical and virtual address is automatically provided 237 based on the chip identification register value. 238 239 If you have a Broadcom STB chip and would like early print 240 messages to appear over the UART, select this option. 241 242 config DEBUG_CLPS711X_UART1 243 bool "Kernel low-level debugging messages via UART1" 244 depends on ARCH_CLPS711X 245 help 246 Say Y here if you want the debug print routines to direct 247 their output to the first serial port on these devices. 248 249 config DEBUG_CLPS711X_UART2 250 bool "Kernel low-level debugging messages via UART2" 251 depends on ARCH_CLPS711X 252 help 253 Say Y here if you want the debug print routines to direct 254 their output to the second serial port on these devices. 255 256 config DEBUG_CNS3XXX 257 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 258 depends on ARCH_CNS3XXX 259 select DEBUG_UART_8250 260 help 261 Say Y here if you want the debug print routines to direct 262 their output to the CNS3xxx UART0. 263 264 config DEBUG_DAVINCI_DA8XX_UART1 265 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 266 depends on ARCH_DAVINCI_DA8XX 267 select DEBUG_UART_8250 268 help 269 Say Y here if you want the debug print routines to direct 270 their output to UART1 serial port on DaVinci DA8XX devices. 271 272 config DEBUG_DAVINCI_DA8XX_UART2 273 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 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 UART2 serial port on DaVinci DA8XX devices. 279 280 config DEBUG_DAVINCI_DMx_UART0 281 bool "Kernel low-level debugging on DaVinci DMx using UART0" 282 depends on ARCH_DAVINCI_DMx 283 select DEBUG_UART_8250 284 help 285 Say Y here if you want the debug print routines to direct 286 their output to UART0 serial port on DaVinci DMx devices. 287 288 config DEBUG_DC21285_PORT 289 bool "Kernel low-level debugging messages via footbridge serial port" 290 depends on FOOTBRIDGE 291 help 292 Say Y here if you want the debug print routines to direct 293 their output to the serial port in the DC21285 (Footbridge). 294 295 config DEBUG_DIGICOLOR_UA0 296 bool "Kernel low-level debugging messages via Digicolor UA0" 297 depends on ARCH_DIGICOLOR 298 help 299 Say Y here if you want the debug print routines to direct 300 their output to the UA0 serial port in the CX92755. 301 302 config DEBUG_EP93XX 303 bool "Kernel low-level debugging messages via ep93xx UART" 304 depends on ARCH_EP93XX 305 select DEBUG_UART_PL01X 306 help 307 Say Y here if you want kernel low-level debugging support 308 on Cirrus Logic EP93xx based platforms. 309 310 config DEBUG_FOOTBRIDGE_COM1 311 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 312 depends on FOOTBRIDGE 313 select DEBUG_UART_8250 314 help 315 Say Y here if you want the debug print routines to direct 316 their output to the 8250 at PCI COM1. 317 318 config DEBUG_GEMINI 319 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 320 depends on ARCH_GEMINI 321 select DEBUG_UART_8250 322 help 323 Say Y here if you want kernel low-level debugging support 324 on Cortina Gemini based platforms. 325 326 config DEBUG_HI3620_UART 327 bool "Hisilicon HI3620 Debug UART" 328 depends on ARCH_HI3xxx 329 select DEBUG_UART_PL01X 330 help 331 Say Y here if you want kernel low-level debugging support 332 on HI3620 UART. 333 334 config DEBUG_HIGHBANK_UART 335 bool "Kernel low-level debugging messages via Highbank UART" 336 depends on ARCH_HIGHBANK 337 select DEBUG_UART_PL01X 338 help 339 Say Y here if you want the debug print routines to direct 340 their output to the UART on Highbank based devices. 341 342 config DEBUG_HIP01_UART 343 bool "Hisilicon Hip01 Debug UART" 344 depends on ARCH_HIP01 345 select DEBUG_UART_8250 346 help 347 Say Y here if you want kernel low-level debugging support 348 on HIP01 UART. 349 350 config DEBUG_HIP04_UART 351 bool "Hisilicon HiP04 Debug UART" 352 depends on ARCH_HIP04 353 select DEBUG_UART_8250 354 help 355 Say Y here if you want kernel low-level debugging support 356 on HIP04 UART. 357 358 config DEBUG_HIX5HD2_UART 359 bool "Hisilicon Hix5hd2 Debug UART" 360 depends on ARCH_HIX5HD2 361 select DEBUG_UART_PL01X 362 help 363 Say Y here if you want kernel low-level debugging support 364 on Hix5hd2 UART. 365 366 config DEBUG_IMX1_UART 367 bool "i.MX1 Debug UART" 368 depends on SOC_IMX1 369 help 370 Say Y here if you want kernel low-level debugging support 371 on i.MX1. 372 373 config DEBUG_IMX23_UART 374 bool "i.MX23 Debug UART" 375 depends on SOC_IMX23 376 select DEBUG_UART_PL01X 377 help 378 Say Y here if you want kernel low-level debugging support 379 on i.MX23. 380 381 config DEBUG_IMX25_UART 382 bool "i.MX25 Debug UART" 383 depends on SOC_IMX25 384 help 385 Say Y here if you want kernel low-level debugging support 386 on i.MX25. 387 388 config DEBUG_IMX21_IMX27_UART 389 bool "i.MX21 and i.MX27 Debug UART" 390 depends on SOC_IMX21 || SOC_IMX27 391 help 392 Say Y here if you want kernel low-level debugging support 393 on i.MX21 or i.MX27. 394 395 config DEBUG_IMX28_UART 396 bool "i.MX28 Debug UART" 397 depends on SOC_IMX28 398 select DEBUG_UART_PL01X 399 help 400 Say Y here if you want kernel low-level debugging support 401 on i.MX28. 402 403 config DEBUG_IMX31_UART 404 bool "i.MX31 Debug UART" 405 depends on SOC_IMX31 406 help 407 Say Y here if you want kernel low-level debugging support 408 on i.MX31. 409 410 config DEBUG_IMX35_UART 411 bool "i.MX35 Debug UART" 412 depends on SOC_IMX35 413 help 414 Say Y here if you want kernel low-level debugging support 415 on i.MX35. 416 417 config DEBUG_IMX50_UART 418 bool "i.MX50 Debug UART" 419 depends on SOC_IMX50 420 help 421 Say Y here if you want kernel low-level debugging support 422 on i.MX50. 423 424 config DEBUG_IMX51_UART 425 bool "i.MX51 Debug UART" 426 depends on SOC_IMX51 427 help 428 Say Y here if you want kernel low-level debugging support 429 on i.MX51. 430 431 config DEBUG_IMX53_UART 432 bool "i.MX53 Debug UART" 433 depends on SOC_IMX53 434 help 435 Say Y here if you want kernel low-level debugging support 436 on i.MX53. 437 438 config DEBUG_IMX6Q_UART 439 bool "i.MX6Q/DL Debug UART" 440 depends on SOC_IMX6Q 441 help 442 Say Y here if you want kernel low-level debugging support 443 on i.MX6Q/DL. 444 445 config DEBUG_IMX6SL_UART 446 bool "i.MX6SL Debug UART" 447 depends on SOC_IMX6SL 448 help 449 Say Y here if you want kernel low-level debugging support 450 on i.MX6SL. 451 452 config DEBUG_IMX6SX_UART 453 bool "i.MX6SX Debug UART" 454 depends on SOC_IMX6SX 455 help 456 Say Y here if you want kernel low-level debugging support 457 on i.MX6SX. 458 459 config DEBUG_IMX6UL_UART 460 bool "i.MX6UL Debug UART" 461 depends on SOC_IMX6UL 462 help 463 Say Y here if you want kernel low-level debugging support 464 on i.MX6UL. 465 466 config DEBUG_IMX7D_UART 467 bool "i.MX7D Debug UART" 468 depends on SOC_IMX7D 469 help 470 Say Y here if you want kernel low-level debugging support 471 on i.MX7D. 472 473 config DEBUG_INTEGRATOR 474 bool "Kernel low-level debugging messages via ARM Integrator UART" 475 depends on ARCH_INTEGRATOR 476 select DEBUG_UART_PL01X 477 help 478 Say Y here if you want kernel low-level debugging support 479 on ARM Integrator platforms. 480 481 config DEBUG_KEYSTONE_UART0 482 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 483 depends on ARCH_KEYSTONE 484 select DEBUG_UART_8250 485 help 486 Say Y here if you want the debug print routines to direct 487 their output to UART0 serial port on KEYSTONE2 devices. 488 489 config DEBUG_KEYSTONE_UART1 490 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 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 UART1 serial port on KEYSTONE2 devices. 496 497 config DEBUG_KS8695_UART 498 bool "KS8695 Debug UART" 499 depends on ARCH_KS8695 500 help 501 Say Y here if you want kernel low-level debugging support 502 on KS8695. 503 504 config DEBUG_LPC18XX_UART0 505 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 506 depends on ARCH_LPC18XX 507 select DEBUG_UART_8250 508 help 509 Say Y here if you want kernel low-level debugging support 510 on NXP LPC18xx/43xx UART0. 511 512 config DEBUG_LPC32XX 513 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 514 depends on ARCH_LPC32XX 515 select DEBUG_UART_8250 516 help 517 Say Y here if you want kernel low-level debugging support 518 on NXP LPC32xx based platforms. 519 520 config DEBUG_MESON_UARTAO 521 bool "Kernel low-level debugging via Meson6 UARTAO" 522 depends on ARCH_MESON 523 help 524 Say Y here if you want kernel low-lever debugging support 525 on Amlogic Meson6 based platforms on the UARTAO. 526 527 config DEBUG_MMP_UART2 528 bool "Kernel low-level debugging message via MMP UART2" 529 depends on ARCH_MMP 530 select DEBUG_UART_8250 531 help 532 Say Y here if you want kernel low-level debugging support 533 on MMP UART2. 534 535 config DEBUG_MMP_UART3 536 bool "Kernel low-level debugging message via MMP UART3" 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 UART3. 542 543 config DEBUG_MVEBU_UART0 544 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 545 depends on ARCH_MVEBU 546 depends on ARCH_MVEBU && CPU_V7 547 select DEBUG_UART_8250 548 help 549 Say Y here if you want kernel low-level debugging support 550 on MVEBU based platforms on UART0. 551 552 This option should be used with the old bootloaders 553 that left the internal registers mapped at 554 0xd0000000. As of today, this is the case on 555 platforms such as the Globalscale Mirabox or the 556 Plathome OpenBlocks AX3, when using the original 557 bootloader. 558 559 This option will not work on older Marvell platforms 560 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 561 the "new bootloader" variant. 562 563 If the wrong DEBUG_MVEBU_UART* option is selected, 564 when u-boot hands over to the kernel, the system 565 silently crashes, with no serial output at all. 566 567 config DEBUG_MVEBU_UART0_ALTERNATE 568 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 569 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 570 select DEBUG_UART_8250 571 help 572 Say Y here if you want kernel low-level debugging support 573 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 574 Kirkwood, Dove, MV78xx0, Orion5x). 575 576 577 This option should be used with the new bootloaders 578 that remap the internal registers at 0xf1000000. 579 580 If the wrong DEBUG_MVEBU_UART* option is selected, 581 when u-boot hands over to the kernel, the system 582 silently crashes, with no serial output at all. 583 584 config DEBUG_MVEBU_UART1_ALTERNATE 585 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 586 depends on ARCH_MVEBU 587 select DEBUG_UART_8250 588 help 589 Say Y here if you want kernel low-level debugging support 590 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 591 Kirkwood, Dove, MV78xx0, Orion5x). 592 593 This option should be used with the new bootloaders 594 that remap the internal registers at 0xf1000000. 595 All of the older (pre Armada XP/370) platforms also use 596 this address, regardless of the boot loader version. 597 598 If the wrong DEBUG_MVEBU_UART* option is selected, 599 when u-boot hands over to the kernel, the system 600 silently crashes, with no serial output at all. 601 602 config DEBUG_MT6589_UART0 603 bool "Mediatek mt6589 UART0" 604 depends on ARCH_MEDIATEK 605 select DEBUG_UART_8250 606 help 607 Say Y here if you want kernel low-level debugging support 608 for Mediatek mt6589 based platforms on UART0. 609 610 config DEBUG_MT8127_UART0 611 bool "Mediatek mt8127/mt6592 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 mt8127 based platforms on UART0. 617 618 config DEBUG_MT8135_UART3 619 bool "Mediatek mt8135 UART3" 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 mt8135 based platforms on UART3. 625 626 config DEBUG_NETX_UART 627 bool "Kernel low-level debugging messages via NetX UART" 628 depends on ARCH_NETX 629 help 630 Say Y here if you want kernel low-level debugging support 631 on Hilscher NetX based platforms. 632 633 config DEBUG_NOMADIK_UART 634 bool "Kernel low-level debugging messages via NOMADIK UART" 635 depends on ARCH_NOMADIK 636 select DEBUG_UART_PL01X 637 help 638 Say Y here if you want kernel low-level debugging support 639 on NOMADIK based platforms. 640 641 config DEBUG_NSPIRE_CLASSIC_UART 642 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 643 depends on ARCH_NSPIRE 644 select DEBUG_UART_8250 645 help 646 Say Y here if you want kernel low-level debugging support 647 on TI-NSPIRE classic models. 648 649 config DEBUG_NSPIRE_CX_UART 650 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 651 depends on ARCH_NSPIRE 652 select DEBUG_UART_PL01X 653 help 654 Say Y here if you want kernel low-level debugging support 655 on TI-NSPIRE CX models. 656 657 config DEBUG_OMAP1UART1 658 bool "Kernel low-level debugging via OMAP1 UART1" 659 depends on ARCH_OMAP1 660 select DEBUG_UART_8250 661 help 662 Say Y here if you want kernel low-level debugging support 663 on OMAP1 based platforms (except OMAP730) on the UART1. 664 665 config DEBUG_OMAP1UART2 666 bool "Kernel low-level debugging via OMAP1 UART2" 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 UART2. 672 673 config DEBUG_OMAP1UART3 674 bool "Kernel low-level debugging via OMAP1 UART3" 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 UART3. 680 681 config DEBUG_OMAP2UART1 682 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 683 depends on ARCH_OMAP2PLUS 684 select DEBUG_UART_8250 685 help 686 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 687 omap3 torpedo and 3530 lv som. 688 689 config DEBUG_OMAP2UART2 690 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 691 depends on ARCH_OMAP2PLUS 692 select DEBUG_UART_8250 693 694 config DEBUG_OMAP2UART3 695 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 696 depends on ARCH_OMAP2PLUS 697 select DEBUG_UART_8250 698 699 config DEBUG_OMAP3UART3 700 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 701 depends on ARCH_OMAP2PLUS 702 select DEBUG_UART_8250 703 help 704 This covers at least cm_t3x, beagle, crane, devkit8000, 705 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 706 and 3517evm. 707 708 config DEBUG_OMAP4UART3 709 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 710 depends on ARCH_OMAP2PLUS 711 select DEBUG_UART_8250 712 713 config DEBUG_OMAP3UART4 714 bool "Kernel low-level debugging messages via OMAP36XX UART4" 715 depends on ARCH_OMAP2PLUS 716 select DEBUG_UART_8250 717 718 config DEBUG_OMAP4UART4 719 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 720 depends on ARCH_OMAP2PLUS 721 select DEBUG_UART_8250 722 723 config DEBUG_OMAP7XXUART1 724 bool "Kernel low-level debugging via OMAP730 UART1" 725 depends on ARCH_OMAP730 726 select DEBUG_UART_8250 727 help 728 Say Y here if you want kernel low-level debugging support 729 on OMAP730 based platforms on the UART1. 730 731 config DEBUG_OMAP7XXUART2 732 bool "Kernel low-level debugging via OMAP730 UART2" 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 UART2. 738 739 config DEBUG_OMAP7XXUART3 740 bool "Kernel low-level debugging via OMAP730 UART3" 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 UART3. 746 747 config DEBUG_TI81XXUART1 748 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 749 depends on ARCH_OMAP2PLUS 750 select DEBUG_UART_8250 751 752 config DEBUG_TI81XXUART2 753 bool "Kernel low-level debugging messages via TI81XX UART2" 754 depends on ARCH_OMAP2PLUS 755 select DEBUG_UART_8250 756 757 config DEBUG_TI81XXUART3 758 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 759 depends on ARCH_OMAP2PLUS 760 select DEBUG_UART_8250 761 762 config DEBUG_AM33XXUART1 763 bool "Kernel low-level debugging messages via AM33XX UART1" 764 depends on ARCH_OMAP2PLUS 765 select DEBUG_UART_8250 766 767 config DEBUG_ZOOM_UART 768 bool "Kernel low-level debugging messages via Zoom2/3 UART" 769 depends on ARCH_OMAP2PLUS 770 select DEBUG_OMAP2PLUS_UART 771 772 config DEBUG_PICOXCELL_UART 773 depends on ARCH_PICOXCELL 774 bool "Use PicoXcell UART for low-level debug" 775 select DEBUG_UART_8250 776 help 777 Say Y here if you want kernel low-level debugging support 778 on PicoXcell based platforms. 779 780 config DEBUG_PXA_UART1 781 depends on ARCH_PXA 782 bool "Use PXA UART1 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 PXA UART1. 787 788 config DEBUG_QCOM_UARTDM 789 bool "Kernel low-level debugging messages via QCOM UARTDM" 790 depends on ARCH_QCOM 791 help 792 Say Y here if you want the debug print routines to direct 793 their output to the serial port on Qualcomm devices. 794 795 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 796 APQ8064 0x16640000 0xf0040000 797 APQ8084 0xf995e000 0xfa75e000 798 IPQ4019 0x078af000 0xf78af000 799 MSM8X60 0x19c40000 0xf0040000 800 MSM8960 0x16440000 0xf0040000 801 MSM8974 0xf991e000 0xfa71e000 802 803 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 804 options based on your needs. 805 806 config DEBUG_REALVIEW_STD_PORT 807 bool "RealView Default UART" 808 depends on ARCH_REALVIEW 809 select DEBUG_UART_PL01X 810 help 811 Say Y here if you want the debug print routines to direct 812 their output to the serial port on RealView EB, PB11MP, PBA8 813 and PBX platforms. 814 815 config DEBUG_REALVIEW_PB1176_PORT 816 bool "RealView PB1176 UART" 817 depends on MACH_REALVIEW_PB1176 818 select DEBUG_UART_PL01X 819 help 820 Say Y here if you want the debug print routines to direct 821 their output to the standard serial port on the RealView 822 PB1176 platform. 823 824 config DEBUG_RV1108_UART0 825 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 826 depends on ARCH_ROCKCHIP 827 select DEBUG_UART_8250 828 help 829 Say Y here if you want kernel low-level debugging support 830 on Rockchip RV1108 based platforms. 831 832 config DEBUG_RV1108_UART1 833 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 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_UART2 841 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 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_RK29_UART0 849 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 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 based platforms. 855 856 config DEBUG_RK29_UART1 857 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 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_UART2 865 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 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_RK3X_UART0 873 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 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_UART1 881 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 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_UART2 889 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 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_UART3 897 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 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_RK32_UART2 905 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 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 RK32xx based platforms. 911 912 config DEBUG_R7S72100_SCIF2 913 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 914 depends on ARCH_R7S72100 915 help 916 Say Y here if you want kernel low-level debugging support 917 via SCIF2 on Renesas RZ/A1H (R7S72100). 918 919 config DEBUG_RCAR_GEN1_SCIF0 920 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 921 depends on ARCH_R8A7778 922 help 923 Say Y here if you want kernel low-level debugging support 924 via SCIF0 on Renesas R-Car M1A (R8A7778). 925 926 config DEBUG_RCAR_GEN1_SCIF2 927 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 928 depends on ARCH_R8A7779 929 help 930 Say Y here if you want kernel low-level debugging support 931 via SCIF2 on Renesas R-Car H1 (R8A7779). 932 933 config DEBUG_RCAR_GEN2_SCIF0 934 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 935 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 936 ARCH_R8A7792 || ARCH_R8A7793 937 help 938 Say Y here if you want kernel low-level debugging support 939 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 940 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 941 942 config DEBUG_RCAR_GEN2_SCIF1 943 bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 944 depends on ARCH_R8A77470 945 help 946 Say Y here if you want kernel low-level debugging support 947 via SCIF1 on Renesas RZ/G1C (R8A77470). 948 949 config DEBUG_RCAR_GEN2_SCIF2 950 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 951 depends on ARCH_R8A7794 952 help 953 Say Y here if you want kernel low-level debugging support 954 via SCIF2 on Renesas R-Car E2 (R8A7794). 955 956 config DEBUG_RCAR_GEN2_SCIF4 957 bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 958 depends on ARCH_R8A7745 959 help 960 Say Y here if you want kernel low-level debugging support 961 via SCIF4 on Renesas RZ/G1E (R8A7745). 962 963 config DEBUG_RMOBILE_SCIFA0 964 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 965 depends on ARCH_R8A73A4 966 help 967 Say Y here if you want kernel low-level debugging support 968 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 969 970 config DEBUG_RMOBILE_SCIFA1 971 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 972 depends on ARCH_R8A7740 973 help 974 Say Y here if you want kernel low-level debugging support 975 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 976 977 config DEBUG_RMOBILE_SCIFA4 978 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 979 depends on ARCH_SH73A0 980 help 981 Say Y here if you want kernel low-level debugging support 982 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 983 984 config DEBUG_S3C_UART0 985 depends on PLAT_SAMSUNG 986 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 987 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 988 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 989 select DEBUG_S5PV210_UART if ARCH_S5PV210 990 bool "Use Samsung S3C UART 0 for low-level debug" 991 help 992 Say Y here if you want the debug print routines to direct 993 their output to UART 0. The port must have been initialised 994 by the boot-loader before use. 995 996 config DEBUG_S3C_UART1 997 depends on PLAT_SAMSUNG 998 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 999 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1000 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1001 select DEBUG_S5PV210_UART if ARCH_S5PV210 1002 bool "Use Samsung S3C UART 1 for low-level debug" 1003 help 1004 Say Y here if you want the debug print routines to direct 1005 their output to UART 1. The port must have been initialised 1006 by the boot-loader before use. 1007 1008 config DEBUG_S3C_UART2 1009 depends on PLAT_SAMSUNG 1010 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1011 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1012 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1013 select DEBUG_S5PV210_UART if ARCH_S5PV210 1014 bool "Use Samsung S3C UART 2 for low-level debug" 1015 help 1016 Say Y here if you want the debug print routines to direct 1017 their output to UART 2. The port must have been initialised 1018 by the boot-loader before use. 1019 1020 config DEBUG_S3C_UART3 1021 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 1022 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1023 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 1024 select DEBUG_S5PV210_UART if ARCH_S5PV210 1025 bool "Use Samsung S3C UART 3 for low-level debug" 1026 help 1027 Say Y here if you want the debug print routines to direct 1028 their output to UART 3. The port must have been initialised 1029 by the boot-loader before use. 1030 1031 config DEBUG_S3C2410_UART0 1032 depends on ARCH_S3C24XX 1033 select DEBUG_S3C2410_UART 1034 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1035 help 1036 Say Y here if you want the debug print routines to direct 1037 their output to UART 0. The port must have been initialised 1038 by the boot-loader before use. 1039 1040 config DEBUG_S3C2410_UART1 1041 depends on ARCH_S3C24XX 1042 select DEBUG_S3C2410_UART 1043 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1044 help 1045 Say Y here if you want the debug print routines to direct 1046 their output to UART 1. The port must have been initialised 1047 by the boot-loader before use. 1048 1049 config DEBUG_S3C2410_UART2 1050 depends on ARCH_S3C24XX 1051 select DEBUG_S3C2410_UART 1052 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1053 help 1054 Say Y here if you want the debug print routines to direct 1055 their output to UART 2. The port must have been initialised 1056 by the boot-loader before use. 1057 1058 config DEBUG_SA1100 1059 depends on ARCH_SA1100 1060 bool "Use SA1100 UARTs for low-level debug" 1061 help 1062 Say Y here if you want kernel low-level debugging support 1063 on SA-11x0 UART ports. The kernel will check for the first 1064 enabled UART in a sequence 3-1-2. 1065 1066 config DEBUG_SOCFPGA_UART0 1067 depends on ARCH_SOCFPGA 1068 bool "Use SOCFPGA UART0 for low-level debug" 1069 select DEBUG_UART_8250 1070 help 1071 Say Y here if you want kernel low-level debugging support 1072 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1073 1074 config DEBUG_SOCFPGA_UART1 1075 depends on ARCH_SOCFPGA 1076 bool "Use SOCFPGA UART1 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(Arria 10) based platforms. 1081 1082 1083 config DEBUG_SUN9I_UART0 1084 bool "Kernel low-level debugging messages via sun9i UART0" 1085 depends on MACH_SUN9I 1086 select DEBUG_UART_8250 1087 help 1088 Say Y here if you want kernel low-level debugging support 1089 on Allwinner A80 based platforms on the UART0. 1090 1091 config DEBUG_SUNXI_UART0 1092 bool "Kernel low-level debugging messages via sunXi UART0" 1093 depends on ARCH_SUNXI 1094 select DEBUG_UART_8250 1095 help 1096 Say Y here if you want kernel low-level debugging support 1097 on Allwinner A1X based platforms on the UART0. 1098 1099 config DEBUG_SUNXI_UART1 1100 bool "Kernel low-level debugging messages via sunXi UART1" 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 UART1. 1106 1107 config DEBUG_SUNXI_R_UART 1108 bool "Kernel low-level debugging messages via sunXi R_UART" 1109 depends on MACH_SUN6I || MACH_SUN8I 1110 select DEBUG_UART_8250 1111 help 1112 Say Y here if you want kernel low-level debugging support 1113 on Allwinner A31/A23 based platforms on the R_UART. 1114 1115 config DEBUG_SIRFPRIMA2_UART1 1116 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1117 depends on ARCH_PRIMA2 1118 select DEBUG_SIRFSOC_UART 1119 help 1120 Say Y here if you want the debug print routines to direct 1121 their output to the uart1 port on SiRFprimaII devices. 1122 1123 config DEBUG_SIRFATLAS7_UART0 1124 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1125 depends on ARCH_ATLAS7 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 uart0 port on SiRFATLAS7 devices.The uart0 1130 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1131 debug port can be very useful. 1132 1133 config DEBUG_SIRFATLAS7_UART1 1134 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1135 depends on ARCH_ATLAS7 1136 select DEBUG_SIRFSOC_UART 1137 help 1138 Say Y here if you want the debug print routines to direct 1139 their output to the uart1 port on SiRFATLAS7 devices. 1140 1141 config DEBUG_SPEAR3XX 1142 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1143 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1144 select DEBUG_UART_PL01X 1145 help 1146 Say Y here if you want kernel low-level debugging support 1147 on ST SPEAr based platforms. 1148 1149 config DEBUG_SPEAR13XX 1150 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1151 depends on ARCH_SPEAR13XX 1152 select DEBUG_UART_PL01X 1153 help 1154 Say Y here if you want kernel low-level debugging support 1155 on ST SPEAr13xx based platforms. 1156 1157 config STIH41X_DEBUG_ASC2 1158 bool "Use StiH415/416 ASC2 UART for low-level debug" 1159 depends on ARCH_STI 1160 select DEBUG_STI_UART 1161 help 1162 Say Y here if you want kernel low-level debugging support 1163 on STiH415/416 based platforms like b2000, which has 1164 default UART wired up to ASC2. 1165 1166 If unsure, say N. 1167 1168 config STIH41X_DEBUG_SBC_ASC1 1169 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1170 depends on ARCH_STI 1171 select DEBUG_STI_UART 1172 help 1173 Say Y here if you want kernel low-level debugging support 1174 on STiH415/416 based platforms like b2020. which has 1175 default UART wired up to SBC ASC1. 1176 1177 If unsure, say N. 1178 1179 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1180 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1181 depends on ARCH_TEGRA 1182 select DEBUG_TEGRA_UART 1183 help 1184 Automatically determines which UART to use for low-level 1185 debug based on the ODMDATA value. This value is part of 1186 the BCT, and is written to the boot memory device using 1187 nvflash, or other flashing tool. When bits 19:18 are 3, 1188 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1189 are UART A/B/C/D/E. 1190 1191 config TEGRA_DEBUG_UARTA 1192 bool "Kernel low-level debugging messages via Tegra UART A" 1193 depends on ARCH_TEGRA 1194 select DEBUG_TEGRA_UART 1195 help 1196 Say Y here if you want kernel low-level debugging support 1197 on Tegra based platforms. 1198 1199 config TEGRA_DEBUG_UARTB 1200 bool "Kernel low-level debugging messages via Tegra UART B" 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_UARTC 1208 bool "Kernel low-level debugging messages via Tegra UART C" 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_UARTD 1216 bool "Kernel low-level debugging messages via Tegra UART D" 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_UARTE 1224 bool "Kernel low-level debugging messages via Tegra UART E" 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 DEBUG_U300_UART 1232 bool "Kernel low-level debugging messages via U300 UART0" 1233 depends on ARCH_U300 1234 select DEBUG_UART_PL01X 1235 help 1236 Say Y here if you want the debug print routines to direct 1237 their output to the uart port on U300 devices. 1238 1239 config DEBUG_UX500_UART 1240 depends on ARCH_U8500 1241 bool "Use Ux500 UART for low-level debug" 1242 help 1243 Say Y here if you want kernel low-level debugging support 1244 on Ux500 based platforms. 1245 1246 config DEBUG_VERSATILE 1247 bool "Kernel low-level debugging messages via ARM Versatile UART" 1248 depends on ARCH_VERSATILE 1249 select DEBUG_UART_PL01X 1250 help 1251 Say Y here if you want kernel low-level debugging support 1252 on ARM Versatile platforms. 1253 1254 config DEBUG_VEXPRESS_UART0_DETECT 1255 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1256 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1257 help 1258 This option enables a simple heuristic which tries to determine 1259 the motherboard's memory map variant (original or RS1) and then 1260 choose the relevant UART0 base address. 1261 1262 Note that this will only work with standard A-class core tiles, 1263 and may fail with non-standard SMM or custom software models. 1264 1265 config DEBUG_VEXPRESS_UART0_CA9 1266 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1267 depends on ARCH_VEXPRESS 1268 select DEBUG_UART_PL01X 1269 help 1270 This option selects UART0 at 0x10009000. Except for custom models, 1271 this applies only to the V2P-CA9 tile. 1272 1273 config DEBUG_VEXPRESS_UART0_RS1 1274 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1275 depends on ARCH_VEXPRESS 1276 select DEBUG_UART_PL01X 1277 help 1278 This option selects UART0 at 0x1c090000. This applies to most 1279 of the tiles using the RS1 memory map, including all new A-class 1280 core tiles, FPGA-based SMMs and software models. 1281 1282 config DEBUG_VEXPRESS_UART0_CRX 1283 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1284 depends on ARCH_VEXPRESS && !MMU 1285 select DEBUG_UART_PL01X 1286 help 1287 This option selects UART0 at 0xb0090000. This is appropriate for 1288 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1289 1290 config DEBUG_VF_UART 1291 bool "Vybrid UART" 1292 depends on SOC_VF610 1293 help 1294 Say Y here if you want kernel low-level debugging support 1295 on Vybrid based platforms. 1296 1297 config DEBUG_VT8500_UART0 1298 bool "Use UART0 on VIA/Wondermedia SoCs" 1299 depends on ARCH_VT8500 1300 help 1301 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1302 devices, including VT8500, WM8505, WM8650 and WM8850. 1303 1304 config DEBUG_ZTE_ZX 1305 bool "Use ZTE ZX UART" 1306 select DEBUG_UART_PL01X 1307 depends on ARCH_ZX 1308 help 1309 Say Y here if you are enabling ZTE ZX296702 SOC and need 1310 debug uart support. 1311 1312 This option is preferred over the platform specific 1313 options; the platform specific options are deprecated 1314 and will be soon removed. 1315 1316 config DEBUG_ZYNQ_UART0 1317 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1318 depends on ARCH_ZYNQ 1319 help 1320 Say Y here if you want the debug print routines to direct 1321 their output to UART0 on the Zynq platform. 1322 1323 config DEBUG_ZYNQ_UART1 1324 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1325 depends on ARCH_ZYNQ 1326 help 1327 Say Y here if you want the debug print routines to direct 1328 their output to UART1 on the Zynq platform. 1329 1330 If you have a ZC702 board and want early boot messages to 1331 appear on the USB serial adaptor, select this option. 1332 1333 config DEBUG_ICEDCC 1334 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1335 help 1336 Say Y here if you want the debug print routines to direct 1337 their output to the EmbeddedICE macrocell's DCC channel using 1338 co-processor 14. This is known to work on the ARM9 style ICE 1339 channel and on the XScale with the PEEDI. 1340 1341 Note that the system will appear to hang during boot if there 1342 is nothing connected to read from the DCC. 1343 1344 config DEBUG_SEMIHOSTING 1345 bool "Kernel low-level debug output via semihosting I/O" 1346 help 1347 Semihosting enables code running on an ARM target to use 1348 the I/O facilities on a host debugger/emulator through a 1349 simple SVC call. The host debugger or emulator must have 1350 semihosting enabled for the special svc call to be trapped 1351 otherwise the kernel will crash. 1352 1353 This is known to work with OpenOCD, as well as 1354 ARM's Fast Models, or any other controlling environment 1355 that implements semihosting. 1356 1357 For more details about semihosting, please see 1358 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1359 1360 config DEBUG_LL_UART_8250 1361 bool "Kernel low-level debugging via 8250 UART" 1362 help 1363 Say Y here if you wish the debug print routes to direct 1364 their output to an 8250 UART. You can use this option 1365 to provide the parameters for the 8250 UART rather than 1366 selecting one of the platform specific options above if 1367 you know the parameters for the port. 1368 1369 This option is preferred over the platform specific 1370 options; the platform specific options are deprecated 1371 and will be soon removed. 1372 1373 config DEBUG_LL_UART_EFM32 1374 bool "Kernel low-level debugging via efm32 UART" 1375 depends on ARCH_EFM32 1376 help 1377 Say Y here if you want the debug print routines to direct 1378 their output to an UART or USART port on efm32 based 1379 machines. Use the following addresses for DEBUG_UART_PHYS: 1380 1381 0x4000c000 | USART0 1382 0x4000c400 | USART1 1383 0x4000c800 | USART2 1384 0x4000e000 | UART0 1385 0x4000e400 | UART1 1386 1387 config DEBUG_LL_UART_PL01X 1388 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1389 help 1390 Say Y here if you wish the debug print routes to direct 1391 their output to a PL01x Primecell UART. You can use 1392 this option to provide the parameters for the UART 1393 rather than selecting one of the platform specific 1394 options above if you know the parameters for the port. 1395 1396 This option is preferred over the platform specific 1397 options; the platform specific options are deprecated 1398 and will be soon removed. 1399 1400endchoice 1401 1402config DEBUG_AT91_UART 1403 bool 1404 depends on ARCH_AT91 1405 1406config DEBUG_EXYNOS_UART 1407 bool 1408 1409config DEBUG_S3C2410_UART 1410 bool 1411 select DEBUG_S3C24XX_UART 1412 1413config DEBUG_S3C24XX_UART 1414 bool 1415 1416config DEBUG_S3C64XX_UART 1417 bool 1418 1419config DEBUG_S5PV210_UART 1420 bool 1421 1422config DEBUG_OMAP2PLUS_UART 1423 bool 1424 depends on ARCH_OMAP2PLUS 1425 1426config DEBUG_IMX_UART_PORT 1427 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1428 DEBUG_IMX25_UART || \ 1429 DEBUG_IMX21_IMX27_UART || \ 1430 DEBUG_IMX31_UART || \ 1431 DEBUG_IMX35_UART || \ 1432 DEBUG_IMX50_UART || \ 1433 DEBUG_IMX51_UART || \ 1434 DEBUG_IMX53_UART || \ 1435 DEBUG_IMX6Q_UART || \ 1436 DEBUG_IMX6SL_UART || \ 1437 DEBUG_IMX6SX_UART || \ 1438 DEBUG_IMX6UL_UART || \ 1439 DEBUG_IMX7D_UART 1440 default 1 1441 depends on ARCH_MXC 1442 help 1443 Choose UART port on which kernel low-level debug messages 1444 should be output. 1445 1446config DEBUG_VF_UART_PORT 1447 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1448 default 1 1449 range 0 3 1450 depends on SOC_VF610 1451 help 1452 Choose UART port on which kernel low-level debug messages 1453 should be output. 1454 1455config DEBUG_TEGRA_UART 1456 bool 1457 depends on ARCH_TEGRA 1458 1459config DEBUG_STI_UART 1460 bool 1461 depends on ARCH_STI 1462 1463config DEBUG_SIRFSOC_UART 1464 bool 1465 depends on ARCH_SIRF 1466 1467config DEBUG_LL_INCLUDE 1468 string 1469 default "debug/sa1100.S" if DEBUG_SA1100 1470 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1471 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1472 default "debug/at91.S" if DEBUG_AT91_UART 1473 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1474 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1475 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1476 default "debug/meson.S" if DEBUG_MESON_UARTAO 1477 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1478 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1479 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1480 default "debug/icedcc.S" if DEBUG_ICEDCC 1481 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1482 DEBUG_IMX25_UART || \ 1483 DEBUG_IMX21_IMX27_UART || \ 1484 DEBUG_IMX31_UART || \ 1485 DEBUG_IMX35_UART || \ 1486 DEBUG_IMX50_UART || \ 1487 DEBUG_IMX51_UART || \ 1488 DEBUG_IMX53_UART ||\ 1489 DEBUG_IMX6Q_UART || \ 1490 DEBUG_IMX6SL_UART || \ 1491 DEBUG_IMX6SX_UART || \ 1492 DEBUG_IMX6UL_UART || \ 1493 DEBUG_IMX7D_UART 1494 default "debug/ks8695.S" if DEBUG_KS8695_UART 1495 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1496 default "debug/netx.S" if DEBUG_NETX_UART 1497 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1498 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1499 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1500 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1501 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1502 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 1503 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1504 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 1505 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1506 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1507 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1508 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1509 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1510 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1511 default "debug/sti.S" if DEBUG_STI_UART 1512 default "debug/tegra.S" if DEBUG_TEGRA_UART 1513 default "debug/ux500.S" if DEBUG_UX500_UART 1514 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1515 default "debug/vf.S" if DEBUG_VF_UART 1516 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1517 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1518 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1519 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1520 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1521 default "mach/debug-macro.S" 1522 1523# Compatibility options for PL01x 1524config DEBUG_UART_PL01X 1525 bool 1526 1527# Compatibility options for 8250 1528config DEBUG_UART_8250 1529 def_bool ARCH_EBSA110 || \ 1530 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1531 ARCH_RPC 1532 1533config DEBUG_UART_PHYS 1534 hex "Physical base address of debug UART" 1535 default 0x00100a00 if DEBUG_NETX_UART 1536 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1537 default 0x01c28000 if DEBUG_SUNXI_UART0 1538 default 0x01c28400 if DEBUG_SUNXI_UART1 1539 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1540 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1541 default 0x01f02800 if DEBUG_SUNXI_R_UART 1542 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1543 default 0x02531000 if DEBUG_KEYSTONE_UART1 1544 default 0x03010fe0 if ARCH_RPC 1545 default 0x07000000 if DEBUG_SUN9I_UART0 1546 default 0x09405000 if DEBUG_ZTE_ZX 1547 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1548 DEBUG_VEXPRESS_UART0_CA9 1549 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1550 default 0x10124000 if DEBUG_RK3X_UART0 1551 default 0x10126000 if DEBUG_RK3X_UART1 1552 default 0x101f1000 if DEBUG_VERSATILE 1553 default 0x101fb000 if DEBUG_NOMADIK_UART 1554 default 0x10210000 if DEBUG_RV1108_UART2 1555 default 0x10220000 if DEBUG_RV1108_UART1 1556 default 0x10230000 if DEBUG_RV1108_UART0 1557 default 0x11002000 if DEBUG_MT8127_UART0 1558 default 0x11006000 if DEBUG_MT6589_UART0 1559 default 0x11009000 if DEBUG_MT8135_UART3 1560 default 0x16000000 if DEBUG_INTEGRATOR 1561 default 0x18000300 if DEBUG_BCM_5301X 1562 default 0x18000400 if DEBUG_BCM_HR2 1563 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1564 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1565 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1566 default 0x20001000 if DEBUG_HIP01_UART 1567 default 0x20060000 if DEBUG_RK29_UART0 1568 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1569 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1570 default 0x20201000 if DEBUG_BCM2835 1571 default 0x3f201000 if DEBUG_BCM2836 1572 default 0x3e000000 if DEBUG_BCM_KONA_UART 1573 default 0x4000e400 if DEBUG_LL_UART_EFM32 1574 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1575 default 0x40081000 if DEBUG_LPC18XX_UART0 1576 default 0x40090000 if DEBUG_LPC32XX 1577 default 0x40100000 if DEBUG_PXA_UART1 1578 default 0x42000000 if DEBUG_GEMINI 1579 default 0x44e09000 if DEBUG_AM33XXUART1 1580 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1581 default 0x48022000 if DEBUG_TI81XXUART2 1582 default 0x48024000 if DEBUG_TI81XXUART3 1583 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1584 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1585 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1586 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1587 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1588 default 0x49020000 if DEBUG_OMAP3UART3 1589 default 0x49042000 if DEBUG_OMAP3UART4 1590 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1591 DEBUG_S3C2410_UART0) 1592 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1593 DEBUG_S3C2410_UART1) 1594 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1595 DEBUG_S3C2410_UART2) 1596 default 0x78000000 if DEBUG_CNS3XXX 1597 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1598 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1599 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1600 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1601 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1602 default 0x80010000 if DEBUG_ASM9260_UART 1603 default 0x80070000 if DEBUG_IMX23_UART 1604 default 0x80074000 if DEBUG_IMX28_UART 1605 default 0x80230000 if DEBUG_PICOXCELL_UART 1606 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1607 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1608 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1609 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1610 default 0xc0013000 if DEBUG_U300_UART 1611 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1612 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1613 default 0xd0000000 if DEBUG_SPEAR3XX 1614 default 0xd0012000 if DEBUG_MVEBU_UART0 1615 default 0xc81004c0 if DEBUG_MESON_UARTAO 1616 default 0xd4017000 if DEBUG_MMP_UART2 1617 default 0xd4018000 if DEBUG_MMP_UART3 1618 default 0xe0000000 if DEBUG_SPEAR13XX 1619 default 0xe4007000 if DEBUG_HIP04_UART 1620 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1621 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1622 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1623 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1624 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1625 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 1626 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1627 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1628 default 0xf0000be0 if ARCH_EBSA110 1629 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1630 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1631 default 0xf7fc9000 if DEBUG_BERLIN_UART 1632 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1633 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1634 default 0xf991e000 if DEBUG_QCOM_UARTDM 1635 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1636 default 0xfcb00000 if DEBUG_HI3620_UART 1637 default 0xfd883000 if DEBUG_ALPINE_UART0 1638 default 0xfe800000 if ARCH_IOP32X 1639 default 0xff690000 if DEBUG_RK32_UART2 1640 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1641 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1642 default 0xffd82340 if ARCH_IOP13XX 1643 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1644 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1645 default 0xfff36000 if DEBUG_HIGHBANK_UART 1646 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1647 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1648 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1649 default 0xfffe8600 if DEBUG_BCM63XX_UART 1650 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1651 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1652 default 0xfffff700 if ARCH_IOP33X 1653 depends on ARCH_EP93XX || \ 1654 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1655 DEBUG_LL_UART_EFM32 || \ 1656 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1657 DEBUG_NETX_UART || \ 1658 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1659 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1660 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 1661 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 1662 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1663 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1664 DEBUG_S3C64XX_UART || \ 1665 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1666 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1667 DEBUG_AT91_UART 1668 1669config DEBUG_UART_VIRT 1670 hex "Virtual base address of debug UART" 1671 default 0xc881f000 if DEBUG_RV1108_UART2 1672 default 0xc8821000 if DEBUG_RV1108_UART1 1673 default 0xc8912000 if DEBUG_RV1108_UART0 1674 default 0xe0000a00 if DEBUG_NETX_UART 1675 default 0xe0010fe0 if ARCH_RPC 1676 default 0xf0000be0 if ARCH_EBSA110 1677 default 0xf0010000 if DEBUG_ASM9260_UART 1678 default 0xf01fb000 if DEBUG_NOMADIK_UART 1679 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1680 default 0xf1000300 if DEBUG_BCM_5301X 1681 default 0xf1000400 if DEBUG_BCM_HR2 1682 default 0xf1002000 if DEBUG_MT8127_UART0 1683 default 0xf1006000 if DEBUG_MT6589_UART0 1684 default 0xf1009000 if DEBUG_MT8135_UART3 1685 default 0xf11f1000 if DEBUG_VERSATILE 1686 default 0xf1600000 if DEBUG_INTEGRATOR 1687 default 0xf1c28000 if DEBUG_SUNXI_UART0 1688 default 0xf1c28400 if DEBUG_SUNXI_UART1 1689 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1690 default 0xf31004c0 if DEBUG_MESON_UARTAO 1691 default 0xf4090000 if DEBUG_LPC32XX 1692 default 0xf4200000 if DEBUG_GEMINI 1693 default 0xf6200000 if DEBUG_PXA_UART1 1694 default 0xf7000000 if DEBUG_SUN9I_UART0 1695 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1696 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1697 DEBUG_S3C2410_UART0) 1698 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1699 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1700 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1701 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1702 DEBUG_S3C2410_UART1) 1703 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1704 DEBUG_S3C2410_UART2) 1705 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1706 default 0xf7fc9000 if DEBUG_BERLIN_UART 1707 default 0xf8007000 if DEBUG_HIP04_UART 1708 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1709 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1710 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1711 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1712 default 0xf9e09000 if DEBUG_AM33XXUART1 1713 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1714 default 0xfa022000 if DEBUG_TI81XXUART2 1715 default 0xfa024000 if DEBUG_TI81XXUART3 1716 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1717 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1718 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1719 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1720 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1721 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1722 default 0xfb002000 if DEBUG_CNS3XXX 1723 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1724 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1725 default 0xfb020000 if DEBUG_OMAP3UART3 1726 default 0xfb042000 if DEBUG_OMAP3UART4 1727 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1728 default 0xfc705000 if DEBUG_ZTE_ZX 1729 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1730 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1731 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1732 default 0xfd883000 if DEBUG_ALPINE_UART0 1733 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1734 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1735 default 0xfe017000 if DEBUG_MMP_UART2 1736 default 0xfe018000 if DEBUG_MMP_UART3 1737 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1738 default 0xfe230000 if DEBUG_PICOXCELL_UART 1739 default 0xfe300000 if DEBUG_BCM_KONA_UART 1740 default 0xfe800000 if ARCH_IOP32X 1741 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1742 default 0xfeb24000 if DEBUG_RK3X_UART0 1743 default 0xfeb26000 if DEBUG_RK3X_UART1 1744 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1745 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1746 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1747 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1748 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1749 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1750 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1751 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1752 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1753 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1754 default 0xfec90000 if DEBUG_RK32_UART2 1755 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1756 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1757 default 0xfed60000 if DEBUG_RK29_UART0 1758 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1759 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1760 default 0xfedc0000 if DEBUG_EP93XX 1761 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1762 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1763 default 0xfee82340 if ARCH_IOP13XX 1764 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1765 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1766 default 0xfef36000 if DEBUG_HIGHBANK_UART 1767 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1768 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1769 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1770 default 0xfefff700 if ARCH_IOP33X 1771 default 0xff003000 if DEBUG_U300_UART 1772 default 0xffd01000 if DEBUG_HIP01_UART 1773 default DEBUG_UART_PHYS if !MMU 1774 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1775 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1776 DEBUG_NETX_UART || \ 1777 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1778 DEBUG_S3C64XX_UART || \ 1779 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1780 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1781 DEBUG_AT91_UART 1782 1783config DEBUG_UART_8250_SHIFT 1784 int "Register offset shift for the 8250 debug UART" 1785 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1786 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1787 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1788 DEBUG_OMAP7XXUART3 1789 default 2 1790 1791config DEBUG_UART_8250_WORD 1792 bool "Use 32-bit accesses for 8250 UART" 1793 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1794 depends on DEBUG_UART_8250_SHIFT >= 2 1795 default y if DEBUG_PICOXCELL_UART || \ 1796 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1797 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1798 DEBUG_ALPINE_UART0 || \ 1799 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1800 DEBUG_DAVINCI_DA8XX_UART2 || \ 1801 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1802 1803config DEBUG_UART_8250_PALMCHIP 1804 bool "8250 UART is Palmchip BK-310x" 1805 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1806 help 1807 Palmchip provides a UART implementation compatible with 16550 1808 except for having a different register layout. Say Y here if 1809 the debug UART is of this type. 1810 1811config DEBUG_UART_8250_FLOW_CONTROL 1812 bool "Enable flow control for 8250 UART" 1813 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1814 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1815 1816config DEBUG_UNCOMPRESS 1817 bool "Enable decompressor debugging via DEBUG_LL output" 1818 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1819 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1820 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1821 !DEBUG_BRCMSTB_UART 1822 help 1823 This option influences the normal decompressor output for 1824 multiplatform kernels. Normally, multiplatform kernels disable 1825 decompressor output because it is not possible to know where to 1826 send the decompressor output. 1827 1828 When this option is set, the selected DEBUG_LL output method 1829 will be re-used for normal decompressor output on multiplatform 1830 kernels. 1831 1832 1833config UNCOMPRESS_INCLUDE 1834 string 1835 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1836 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1837 default "mach/uncompress.h" 1838 1839config EARLY_PRINTK 1840 bool "Early printk" 1841 depends on DEBUG_LL 1842 help 1843 Say Y here if you want to have an early console using the 1844 kernel low-level debugging functions. Add earlyprintk to your 1845 kernel parameters to enable this console. 1846 1847config ARM_KPROBES_TEST 1848 tristate "Kprobes test module" 1849 depends on KPROBES && MODULES 1850 help 1851 Perform tests of kprobes API and instruction set simulation. 1852 1853config PID_IN_CONTEXTIDR 1854 bool "Write the current PID to the CONTEXTIDR register" 1855 depends on CPU_COPY_V6 1856 help 1857 Enabling this option causes the kernel to write the current PID to 1858 the PROCID field of the CONTEXTIDR register, at the expense of some 1859 additional instructions during context switch. Say Y here only if you 1860 are planning to use hardware trace tools with this kernel. 1861 1862source "drivers/hwtracing/coresight/Kconfig" 1863