1menu "Kernel hacking" 2 3source "lib/Kconfig.debug" 4 5config ARM_PTDUMP 6 bool "Export kernel pagetable layout to userspace via debugfs" 7 depends on DEBUG_KERNEL 8 select DEBUG_FS 9 ---help--- 10 Say Y here if you want to show the kernel pagetable layout in a 11 debugfs file. This information is only useful for kernel developers 12 who are working in architecture specific areas of the kernel. 13 It is probably not a good idea to enable this feature in a production 14 kernel. 15 If in doubt, say "N" 16 17config STRICT_DEVMEM 18 bool "Filter access to /dev/mem" 19 depends on MMU 20 ---help--- 21 If this option is disabled, you allow userspace (root) access to all 22 of memory, including kernel and userspace memory. Accidental 23 access to this is obviously disastrous, but specific access can 24 be used by people debugging the kernel. 25 26 If this option is switched on, the /dev/mem file only allows 27 userspace access to memory mapped peripherals. 28 29 If in doubt, say Y. 30 31# RMK wants arm kernels compiled with frame pointers or stack unwinding. 32# If you know what you are doing and are willing to live without stack 33# traces, you can get a slightly smaller kernel by setting this option to 34# n, but then RMK will have to kill you ;). 35config FRAME_POINTER 36 bool 37 depends on !THUMB2_KERNEL 38 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER 39 help 40 If you say N here, the resulting kernel will be slightly smaller and 41 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, 42 when a problem occurs with the kernel, the information that is 43 reported is severely limited. 44 45config ARM_UNWIND 46 bool "Enable stack unwinding support (EXPERIMENTAL)" 47 depends on AEABI 48 default y 49 help 50 This option enables stack unwinding support in the kernel 51 using the information automatically generated by the 52 compiler. The resulting kernel image is slightly bigger but 53 the performance is not affected. Currently, this feature 54 only works with EABI compilers. If unsure say Y. 55 56config OLD_MCOUNT 57 bool 58 depends on FUNCTION_TRACER && FRAME_POINTER 59 default y 60 61config DEBUG_USER 62 bool "Verbose user fault messages" 63 help 64 When a user program crashes due to an exception, the kernel can 65 print a brief message explaining what the problem was. This is 66 sometimes helpful for debugging but serves no purpose on a 67 production system. Most people should say N here. 68 69 In addition, you need to pass user_debug=N on the kernel command 70 line to enable this feature. N consists of the sum of: 71 72 1 - undefined instruction events 73 2 - system calls 74 4 - invalid data aborts 75 8 - SIGSEGV faults 76 16 - SIGBUS faults 77 78# These options are only for real kernel hackers who want to get their hands dirty. 79config DEBUG_LL 80 bool "Kernel low-level debugging functions (read help!)" 81 depends on DEBUG_KERNEL 82 help 83 Say Y here to include definitions of printascii, printch, printhex 84 in the kernel. This is helpful if you are debugging code that 85 executes before the console is initialized. 86 87 Note that selecting this option will limit the kernel to a single 88 UART definition, as specified below. Attempting to boot the kernel 89 image on a different platform *will not work*, so this option should 90 not be enabled for kernels that are intended to be portable. 91 92choice 93 prompt "Kernel low-level debugging port" 94 depends on DEBUG_LL 95 96 config DEBUG_ALPINE_UART0 97 bool "Kernel low-level debugging messages via Alpine UART0" 98 depends on ARCH_ALPINE 99 select DEBUG_UART_8250 100 help 101 Say Y here if you want kernel low-level debugging support 102 on Alpine based platforms. 103 104 config DEBUG_ASM9260_UART 105 bool "Kernel low-level debugging via asm9260 UART" 106 depends on MACH_ASM9260 107 help 108 Say Y here if you want the debug print routines to direct 109 their output to an UART or USART port on asm9260 based 110 machines. 111 112 DEBUG_UART_PHYS | DEBUG_UART_VIRT 113 114 0x80000000 | 0xf0000000 | UART0 115 0x80004000 | 0xf0004000 | UART1 116 0x80008000 | 0xf0008000 | UART2 117 0x8000c000 | 0xf000c000 | UART3 118 0x80010000 | 0xf0010000 | UART4 119 0x80014000 | 0xf0014000 | UART5 120 0x80018000 | 0xf0018000 | UART6 121 0x8001c000 | 0xf001c000 | UART7 122 0x80020000 | 0xf0020000 | UART8 123 0x80024000 | 0xf0024000 | UART9 124 125 config AT91_DEBUG_LL_DBGU0 126 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12" 127 select DEBUG_AT91_UART 128 depends on ARCH_AT91 129 depends on SOC_AT91RM9200 || SOC_AT91SAM9 130 131 config AT91_DEBUG_LL_DBGU1 132 bool "Kernel low-level debugging on 9263, 9g45 and sama5d3" 133 select DEBUG_AT91_UART 134 depends on ARCH_AT91 135 depends on SOC_AT91SAM9 || SOC_SAMA5 136 137 config AT91_DEBUG_LL_DBGU2 138 bool "Kernel low-level debugging on sama5d4" 139 select DEBUG_AT91_UART 140 depends on ARCH_AT91 141 depends on SOC_SAMA5 142 143 config DEBUG_BCM2835 144 bool "Kernel low-level debugging on BCM2835 PL011 UART" 145 depends on ARCH_BCM2835 146 select DEBUG_UART_PL01X 147 148 config DEBUG_BCM_5301X 149 bool "Kernel low-level debugging on BCM5301X UART1" 150 depends on ARCH_BCM_5301X 151 select DEBUG_UART_8250 152 153 config DEBUG_BCM_KONA_UART 154 bool "Kernel low-level debugging messages via BCM KONA UART" 155 depends on ARCH_BCM_MOBILE 156 select DEBUG_UART_8250 157 help 158 Say Y here if you want kernel low-level debugging support 159 on Broadcom SoC platforms. 160 This low level debug works for Broadcom 161 mobile SoCs in the Kona family of chips (e.g. bcm28155, 162 bcm11351, etc...) 163 164 config DEBUG_BCM63XX 165 bool "Kernel low-level debugging on BCM63XX UART" 166 depends on ARCH_BCM_63XX 167 select DEBUG_UART_BCM63XX 168 169 config DEBUG_BERLIN_UART 170 bool "Marvell Berlin SoC Debug UART" 171 depends on ARCH_BERLIN 172 select DEBUG_UART_8250 173 help 174 Say Y here if you want kernel low-level debugging support 175 on Marvell Berlin SoC based platforms. 176 177 config DEBUG_BRCMSTB_UART 178 bool "Use BRCMSTB UART for low-level debug" 179 depends on ARCH_BRCMSTB 180 select DEBUG_UART_8250 181 help 182 Say Y here if you want the debug print routines to direct 183 their output to the first serial port on these devices. 184 185 If you have a Broadcom STB chip and would like early print 186 messages to appear over the UART, select this option. 187 188 config DEBUG_CLPS711X_UART1 189 bool "Kernel low-level debugging messages via UART1" 190 depends on ARCH_CLPS711X 191 help 192 Say Y here if you want the debug print routines to direct 193 their output to the first serial port on these devices. 194 195 config DEBUG_CLPS711X_UART2 196 bool "Kernel low-level debugging messages via UART2" 197 depends on ARCH_CLPS711X 198 help 199 Say Y here if you want the debug print routines to direct 200 their output to the second serial port on these devices. 201 202 config DEBUG_CNS3XXX 203 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 204 depends on ARCH_CNS3XXX 205 select DEBUG_UART_8250 206 help 207 Say Y here if you want the debug print routines to direct 208 their output to the CNS3xxx UART0. 209 210 config DEBUG_DAVINCI_DA8XX_UART1 211 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 212 depends on ARCH_DAVINCI_DA8XX 213 select DEBUG_UART_8250 214 help 215 Say Y here if you want the debug print routines to direct 216 their output to UART1 serial port on DaVinci DA8XX devices. 217 218 config DEBUG_DAVINCI_DA8XX_UART2 219 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 220 depends on ARCH_DAVINCI_DA8XX 221 select DEBUG_UART_8250 222 help 223 Say Y here if you want the debug print routines to direct 224 their output to UART2 serial port on DaVinci DA8XX devices. 225 226 config DEBUG_DAVINCI_DMx_UART0 227 bool "Kernel low-level debugging on DaVinci DMx using UART0" 228 depends on ARCH_DAVINCI_DMx 229 select DEBUG_UART_8250 230 help 231 Say Y here if you want the debug print routines to direct 232 their output to UART0 serial port on DaVinci DMx devices. 233 234 config DEBUG_ZYNQ_UART0 235 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 236 depends on ARCH_ZYNQ 237 help 238 Say Y here if you want the debug print routines to direct 239 their output to UART0 on the Zynq platform. 240 241 config DEBUG_ZYNQ_UART1 242 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 243 depends on ARCH_ZYNQ 244 help 245 Say Y here if you want the debug print routines to direct 246 their output to UART1 on the Zynq platform. 247 248 If you have a ZC702 board and want early boot messages to 249 appear on the USB serial adaptor, select this option. 250 251 config DEBUG_DC21285_PORT 252 bool "Kernel low-level debugging messages via footbridge serial port" 253 depends on FOOTBRIDGE 254 help 255 Say Y here if you want the debug print routines to direct 256 their output to the serial port in the DC21285 (Footbridge). 257 258 config DEBUG_DIGICOLOR_UA0 259 bool "Kernel low-level debugging messages via Digicolor UA0" 260 depends on ARCH_DIGICOLOR 261 help 262 Say Y here if you want the debug print routines to direct 263 their output to the UA0 serial port in the CX92755. 264 265 config DEBUG_FOOTBRIDGE_COM1 266 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 267 depends on FOOTBRIDGE 268 help 269 Say Y here if you want the debug print routines to direct 270 their output to the 8250 at PCI COM1. 271 272 config DEBUG_HI3620_UART 273 bool "Hisilicon HI3620 Debug UART" 274 depends on ARCH_HI3xxx 275 select DEBUG_UART_PL01X 276 help 277 Say Y here if you want kernel low-level debugging support 278 on HI3620 UART. 279 280 config DEBUG_HI3716_UART 281 bool "Hisilicon Hi3716 Debug UART" 282 depends on ARCH_HI3xxx 283 select DEBUG_UART_PL01X 284 help 285 Say Y here if you want kernel low-level debugging support 286 on HI3716 UART. 287 288 config DEBUG_HIGHBANK_UART 289 bool "Kernel low-level debugging messages via Highbank UART" 290 depends on ARCH_HIGHBANK 291 select DEBUG_UART_PL01X 292 help 293 Say Y here if you want the debug print routines to direct 294 their output to the UART on Highbank based devices. 295 296 config DEBUG_HIP01_UART 297 bool "Hisilicon Hip01 Debug UART" 298 depends on ARCH_HIP01 299 select DEBUG_UART_8250 300 help 301 Say Y here if you want kernel low-level debugging support 302 on HIP01 UART. 303 304 config DEBUG_HIP04_UART 305 bool "Hisilicon HiP04 Debug UART" 306 depends on ARCH_HIP04 307 select DEBUG_UART_8250 308 help 309 Say Y here if you want kernel low-level debugging support 310 on HIP04 UART. 311 312 config DEBUG_HIX5HD2_UART 313 bool "Hisilicon Hix5hd2 Debug UART" 314 depends on ARCH_HIX5HD2 315 select DEBUG_UART_PL01X 316 help 317 Say Y here if you want kernel low-level debugging support 318 on Hix5hd2 UART. 319 320 config DEBUG_IMX1_UART 321 bool "i.MX1 Debug UART" 322 depends on SOC_IMX1 323 help 324 Say Y here if you want kernel low-level debugging support 325 on i.MX1. 326 327 config DEBUG_IMX23_UART 328 bool "i.MX23 Debug UART" 329 depends on SOC_IMX23 330 select DEBUG_UART_PL01X 331 help 332 Say Y here if you want kernel low-level debugging support 333 on i.MX23. 334 335 config DEBUG_IMX25_UART 336 bool "i.MX25 Debug UART" 337 depends on SOC_IMX25 338 help 339 Say Y here if you want kernel low-level debugging support 340 on i.MX25. 341 342 config DEBUG_IMX21_IMX27_UART 343 bool "i.MX21 and i.MX27 Debug UART" 344 depends on SOC_IMX21 || SOC_IMX27 345 help 346 Say Y here if you want kernel low-level debugging support 347 on i.MX21 or i.MX27. 348 349 config DEBUG_IMX28_UART 350 bool "i.MX28 Debug UART" 351 depends on SOC_IMX28 352 select DEBUG_UART_PL01X 353 help 354 Say Y here if you want kernel low-level debugging support 355 on i.MX28. 356 357 config DEBUG_IMX31_UART 358 bool "i.MX31 Debug UART" 359 depends on SOC_IMX31 360 help 361 Say Y here if you want kernel low-level debugging support 362 on i.MX31. 363 364 config DEBUG_IMX35_UART 365 bool "i.MX35 Debug UART" 366 depends on SOC_IMX35 367 help 368 Say Y here if you want kernel low-level debugging support 369 on i.MX35. 370 371 config DEBUG_IMX50_UART 372 bool "i.MX50 Debug UART" 373 depends on SOC_IMX50 374 help 375 Say Y here if you want kernel low-level debugging support 376 on i.MX50. 377 378 config DEBUG_IMX51_UART 379 bool "i.MX51 Debug UART" 380 depends on SOC_IMX51 381 help 382 Say Y here if you want kernel low-level debugging support 383 on i.MX51. 384 385 config DEBUG_IMX53_UART 386 bool "i.MX53 Debug UART" 387 depends on SOC_IMX53 388 help 389 Say Y here if you want kernel low-level debugging support 390 on i.MX53. 391 392 config DEBUG_IMX6Q_UART 393 bool "i.MX6Q/DL Debug UART" 394 depends on SOC_IMX6Q 395 help 396 Say Y here if you want kernel low-level debugging support 397 on i.MX6Q/DL. 398 399 config DEBUG_IMX6SL_UART 400 bool "i.MX6SL Debug UART" 401 depends on SOC_IMX6SL 402 help 403 Say Y here if you want kernel low-level debugging support 404 on i.MX6SL. 405 406 config DEBUG_IMX6SX_UART 407 bool "i.MX6SX Debug UART" 408 depends on SOC_IMX6SX 409 help 410 Say Y here if you want kernel low-level debugging support 411 on i.MX6SX. 412 413 config DEBUG_KEYSTONE_UART0 414 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 415 depends on ARCH_KEYSTONE 416 select DEBUG_UART_8250 417 help 418 Say Y here if you want the debug print routines to direct 419 their output to UART0 serial port on KEYSTONE2 devices. 420 421 config DEBUG_KEYSTONE_UART1 422 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 423 depends on ARCH_KEYSTONE 424 select DEBUG_UART_8250 425 help 426 Say Y here if you want the debug print routines to direct 427 their output to UART1 serial port on KEYSTONE2 devices. 428 429 config DEBUG_KS8695_UART 430 bool "KS8695 Debug UART" 431 depends on ARCH_KS8695 432 help 433 Say Y here if you want kernel low-level debugging support 434 on KS8695. 435 436 config DEBUG_MESON_UARTAO 437 bool "Kernel low-level debugging via Meson6 UARTAO" 438 depends on ARCH_MESON 439 help 440 Say Y here if you want kernel low-lever debugging support 441 on Amlogic Meson6 based platforms on the UARTAO. 442 443 config DEBUG_MMP_UART2 444 bool "Kernel low-level debugging message via MMP UART2" 445 depends on ARCH_MMP 446 select DEBUG_UART_8250 447 help 448 Say Y here if you want kernel low-level debugging support 449 on MMP UART2. 450 451 config DEBUG_MMP_UART3 452 bool "Kernel low-level debugging message via MMP UART3" 453 depends on ARCH_MMP 454 select DEBUG_UART_8250 455 help 456 Say Y here if you want kernel low-level debugging support 457 on MMP UART3. 458 459 config DEBUG_QCOM_UARTDM 460 bool "Kernel low-level debugging messages via QCOM UARTDM" 461 depends on ARCH_QCOM 462 help 463 Say Y here if you want the debug print routines to direct 464 their output to the serial port on Qualcomm devices. 465 466 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 467 APQ8064 0x16640000 0xf0040000 468 APQ8084 0xf995e000 0xfa75e000 469 MSM8X60 0x19c40000 0xf0040000 470 MSM8960 0x16440000 0xf0040000 471 MSM8974 0xf991e000 0xfa71e000 472 473 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 474 options based on your needs. 475 476 config DEBUG_MVEBU_UART0 477 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 478 depends on ARCH_MVEBU 479 select DEBUG_UART_8250 480 help 481 Say Y here if you want kernel low-level debugging support 482 on MVEBU based platforms on UART0. 483 484 This option should be used with the old bootloaders 485 that left the internal registers mapped at 486 0xd0000000. As of today, this is the case on 487 platforms such as the Globalscale Mirabox or the 488 Plathome OpenBlocks AX3, when using the original 489 bootloader. 490 491 If the wrong DEBUG_MVEBU_UART* option is selected, 492 when u-boot hands over to the kernel, the system 493 silently crashes, with no serial output at all. 494 495 config DEBUG_MVEBU_UART0_ALTERNATE 496 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 497 depends on ARCH_MVEBU 498 select DEBUG_UART_8250 499 help 500 Say Y here if you want kernel low-level debugging support 501 on MVEBU based platforms on UART0. 502 503 This option should be used with the new bootloaders 504 that remap the internal registers at 0xf1000000. 505 506 If the wrong DEBUG_MVEBU_UART* option is selected, 507 when u-boot hands over to the kernel, the system 508 silently crashes, with no serial output at all. 509 510 config DEBUG_MVEBU_UART1_ALTERNATE 511 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 512 depends on ARCH_MVEBU 513 select DEBUG_UART_8250 514 help 515 Say Y here if you want kernel low-level debugging support 516 on MVEBU based platforms on UART1. 517 518 This option should be used with the new bootloaders 519 that remap the internal registers at 0xf1000000. 520 521 If the wrong DEBUG_MVEBU_UART* option is selected, 522 when u-boot hands over to the kernel, the system 523 silently crashes, with no serial output at all. 524 525 config DEBUG_VF_UART 526 bool "Vybrid UART" 527 depends on SOC_VF610 528 help 529 Say Y here if you want kernel low-level debugging support 530 on Vybrid based platforms. 531 532 config DEBUG_NETX_UART 533 bool "Kernel low-level debugging messages via NetX UART" 534 depends on ARCH_NETX 535 help 536 Say Y here if you want kernel low-level debugging support 537 on Hilscher NetX based platforms. 538 539 config DEBUG_NOMADIK_UART 540 bool "Kernel low-level debugging messages via NOMADIK UART" 541 depends on ARCH_NOMADIK 542 select DEBUG_UART_PL01X 543 help 544 Say Y here if you want kernel low-level debugging support 545 on NOMADIK based platforms. 546 547 config DEBUG_NSPIRE_CLASSIC_UART 548 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 549 depends on ARCH_NSPIRE 550 select DEBUG_UART_8250 551 help 552 Say Y here if you want kernel low-level debugging support 553 on TI-NSPIRE classic models. 554 555 config DEBUG_NSPIRE_CX_UART 556 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 557 depends on ARCH_NSPIRE 558 select DEBUG_UART_PL01X 559 help 560 Say Y here if you want kernel low-level debugging support 561 on TI-NSPIRE CX models. 562 563 config DEBUG_OMAP1UART1 564 bool "Kernel low-level debugging via OMAP1 UART1" 565 depends on ARCH_OMAP1 566 select DEBUG_UART_8250 567 help 568 Say Y here if you want kernel low-level debugging support 569 on OMAP1 based platforms (except OMAP730) on the UART1. 570 571 config DEBUG_OMAP1UART2 572 bool "Kernel low-level debugging via OMAP1 UART2" 573 depends on ARCH_OMAP1 574 select DEBUG_UART_8250 575 help 576 Say Y here if you want kernel low-level debugging support 577 on OMAP1 based platforms (except OMAP730) on the UART2. 578 579 config DEBUG_OMAP1UART3 580 bool "Kernel low-level debugging via OMAP1 UART3" 581 depends on ARCH_OMAP1 582 select DEBUG_UART_8250 583 help 584 Say Y here if you want kernel low-level debugging support 585 on OMAP1 based platforms (except OMAP730) on the UART3. 586 587 config DEBUG_OMAP2UART1 588 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 589 depends on ARCH_OMAP2PLUS 590 select DEBUG_OMAP2PLUS_UART 591 help 592 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 593 omap3 torpedo and 3530 lv som. 594 595 config DEBUG_OMAP2UART2 596 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 597 depends on ARCH_OMAP2PLUS 598 select DEBUG_OMAP2PLUS_UART 599 600 config DEBUG_OMAP2UART3 601 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 602 depends on ARCH_OMAP2PLUS 603 select DEBUG_OMAP2PLUS_UART 604 605 config DEBUG_OMAP3UART3 606 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 607 depends on ARCH_OMAP2PLUS 608 select DEBUG_OMAP2PLUS_UART 609 help 610 This covers at least cm_t3x, beagle, crane, devkit8000, 611 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 612 and 3517evm. 613 614 config DEBUG_OMAP4UART3 615 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 616 depends on ARCH_OMAP2PLUS 617 select DEBUG_OMAP2PLUS_UART 618 619 config DEBUG_OMAP3UART4 620 bool "Kernel low-level debugging messages via OMAP36XX UART4" 621 depends on ARCH_OMAP2PLUS 622 select DEBUG_OMAP2PLUS_UART 623 624 config DEBUG_OMAP4UART4 625 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 626 depends on ARCH_OMAP2PLUS 627 select DEBUG_OMAP2PLUS_UART 628 629 config DEBUG_OMAP7XXUART1 630 bool "Kernel low-level debugging via OMAP730 UART1" 631 depends on ARCH_OMAP730 632 select DEBUG_UART_8250 633 help 634 Say Y here if you want kernel low-level debugging support 635 on OMAP730 based platforms on the UART1. 636 637 config DEBUG_OMAP7XXUART2 638 bool "Kernel low-level debugging via OMAP730 UART2" 639 depends on ARCH_OMAP730 640 select DEBUG_UART_8250 641 help 642 Say Y here if you want kernel low-level debugging support 643 on OMAP730 based platforms on the UART2. 644 645 config DEBUG_OMAP7XXUART3 646 bool "Kernel low-level debugging via OMAP730 UART3" 647 depends on ARCH_OMAP730 648 select DEBUG_UART_8250 649 help 650 Say Y here if you want kernel low-level debugging support 651 on OMAP730 based platforms on the UART3. 652 653 config DEBUG_TI81XXUART1 654 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 655 depends on ARCH_OMAP2PLUS 656 select DEBUG_OMAP2PLUS_UART 657 658 config DEBUG_TI81XXUART2 659 bool "Kernel low-level debugging messages via TI81XX UART2" 660 depends on ARCH_OMAP2PLUS 661 select DEBUG_OMAP2PLUS_UART 662 663 config DEBUG_TI81XXUART3 664 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 665 depends on ARCH_OMAP2PLUS 666 select DEBUG_OMAP2PLUS_UART 667 668 config DEBUG_AM33XXUART1 669 bool "Kernel low-level debugging messages via AM33XX UART1" 670 depends on ARCH_OMAP2PLUS 671 select DEBUG_OMAP2PLUS_UART 672 673 config DEBUG_ZOOM_UART 674 bool "Kernel low-level debugging messages via Zoom2/3 UART" 675 depends on ARCH_OMAP2PLUS 676 select DEBUG_OMAP2PLUS_UART 677 678 config DEBUG_PICOXCELL_UART 679 depends on ARCH_PICOXCELL 680 bool "Use PicoXcell UART for low-level debug" 681 select DEBUG_UART_8250 682 help 683 Say Y here if you want kernel low-level debugging support 684 on PicoXcell based platforms. 685 686 config DEBUG_PXA_UART1 687 depends on ARCH_PXA 688 bool "Use PXA UART1 for low-level debug" 689 select DEBUG_UART_8250 690 help 691 Say Y here if you want kernel low-level debugging support 692 on PXA UART1. 693 694 config DEBUG_REALVIEW_STD_PORT 695 bool "RealView Default UART" 696 depends on ARCH_REALVIEW 697 select DEBUG_UART_PL01X 698 help 699 Say Y here if you want the debug print routines to direct 700 their output to the serial port on RealView EB, PB11MP, PBA8 701 and PBX platforms. 702 703 config DEBUG_REALVIEW_PB1176_PORT 704 bool "RealView PB1176 UART" 705 depends on MACH_REALVIEW_PB1176 706 select DEBUG_UART_PL01X 707 help 708 Say Y here if you want the debug print routines to direct 709 their output to the standard serial port on the RealView 710 PB1176 platform. 711 712 config DEBUG_RK29_UART0 713 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 714 depends on ARCH_ROCKCHIP 715 select DEBUG_UART_8250 716 help 717 Say Y here if you want kernel low-level debugging support 718 on Rockchip based platforms. 719 720 config DEBUG_RK29_UART1 721 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 722 depends on ARCH_ROCKCHIP 723 select DEBUG_UART_8250 724 help 725 Say Y here if you want kernel low-level debugging support 726 on Rockchip based platforms. 727 728 config DEBUG_RK29_UART2 729 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 730 depends on ARCH_ROCKCHIP 731 select DEBUG_UART_8250 732 help 733 Say Y here if you want kernel low-level debugging support 734 on Rockchip based platforms. 735 736 config DEBUG_RK3X_UART0 737 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 738 depends on ARCH_ROCKCHIP 739 select DEBUG_UART_8250 740 help 741 Say Y here if you want kernel low-level debugging support 742 on Rockchip based platforms. 743 744 config DEBUG_RK3X_UART1 745 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 746 depends on ARCH_ROCKCHIP 747 select DEBUG_UART_8250 748 help 749 Say Y here if you want kernel low-level debugging support 750 on Rockchip based platforms. 751 752 config DEBUG_RK3X_UART2 753 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 754 depends on ARCH_ROCKCHIP 755 select DEBUG_UART_8250 756 help 757 Say Y here if you want kernel low-level debugging support 758 on Rockchip based platforms. 759 760 config DEBUG_RK3X_UART3 761 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 762 depends on ARCH_ROCKCHIP 763 select DEBUG_UART_8250 764 help 765 Say Y here if you want kernel low-level debugging support 766 on Rockchip based platforms. 767 768 config DEBUG_RK32_UART2 769 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 770 depends on ARCH_ROCKCHIP 771 select DEBUG_UART_8250 772 help 773 Say Y here if you want kernel low-level debugging support 774 on Rockchip RK32xx based platforms. 775 776 config DEBUG_R7S72100_SCIF2 777 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 778 depends on ARCH_R7S72100 779 help 780 Say Y here if you want kernel low-level debugging support 781 via SCIF2 on Renesas RZ/A1H (R7S72100). 782 783 config DEBUG_RCAR_GEN1_SCIF0 784 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 785 depends on ARCH_R8A7778 786 help 787 Say Y here if you want kernel low-level debugging support 788 via SCIF0 on Renesas R-Car M1A (R8A7778). 789 790 config DEBUG_RCAR_GEN1_SCIF2 791 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 792 depends on ARCH_R8A7779 793 help 794 Say Y here if you want kernel low-level debugging support 795 via SCIF2 on Renesas R-Car H1 (R8A7779). 796 797 config DEBUG_RCAR_GEN2_SCIF0 798 bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7793" 799 depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7793 800 help 801 Say Y here if you want kernel low-level debugging support 802 via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), or 803 M2-N (R8A7793). 804 805 config DEBUG_RCAR_GEN2_SCIF2 806 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 807 depends on ARCH_R8A7794 808 help 809 Say Y here if you want kernel low-level debugging support 810 via SCIF2 on Renesas R-Car E2 (R8A7794). 811 812 config DEBUG_RMOBILE_SCIFA0 813 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 814 depends on ARCH_R8A73A4 815 help 816 Say Y here if you want kernel low-level debugging support 817 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 818 819 config DEBUG_RMOBILE_SCIFA1 820 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 821 depends on ARCH_R8A7740 822 help 823 Say Y here if you want kernel low-level debugging support 824 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 825 826 config DEBUG_RMOBILE_SCIFA4 827 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 828 depends on ARCH_SH73A0 829 help 830 Say Y here if you want kernel low-level debugging support 831 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 832 833 config DEBUG_S3C_UART0 834 depends on PLAT_SAMSUNG 835 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 836 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 837 select DEBUG_S5PV210_UART if ARCH_S5PV210 838 bool "Use Samsung S3C UART 0 for low-level debug" 839 help 840 Say Y here if you want the debug print routines to direct 841 their output to UART 0. The port must have been initialised 842 by the boot-loader before use. 843 844 config DEBUG_S3C_UART1 845 depends on PLAT_SAMSUNG 846 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 847 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 848 select DEBUG_S5PV210_UART if ARCH_S5PV210 849 bool "Use Samsung S3C UART 1 for low-level debug" 850 help 851 Say Y here if you want the debug print routines to direct 852 their output to UART 1. The port must have been initialised 853 by the boot-loader before use. 854 855 config DEBUG_S3C_UART2 856 depends on PLAT_SAMSUNG 857 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 858 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 859 select DEBUG_S5PV210_UART if ARCH_S5PV210 860 bool "Use Samsung S3C UART 2 for low-level debug" 861 help 862 Say Y here if you want the debug print routines to direct 863 their output to UART 2. The port must have been initialised 864 by the boot-loader before use. 865 866 config DEBUG_S3C_UART3 867 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 868 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 869 select DEBUG_S5PV210_UART if ARCH_S5PV210 870 bool "Use Samsung S3C UART 3 for low-level debug" 871 help 872 Say Y here if you want the debug print routines to direct 873 their output to UART 3. The port must have been initialised 874 by the boot-loader before use. 875 876 config DEBUG_S3C2410_UART0 877 depends on ARCH_S3C24XX 878 select DEBUG_S3C2410_UART 879 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 880 help 881 Say Y here if you want the debug print routines to direct 882 their output to UART 0. The port must have been initialised 883 by the boot-loader before use. 884 885 config DEBUG_S3C2410_UART1 886 depends on ARCH_S3C24XX 887 select DEBUG_S3C2410_UART 888 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 889 help 890 Say Y here if you want the debug print routines to direct 891 their output to UART 1. The port must have been initialised 892 by the boot-loader before use. 893 894 config DEBUG_S3C2410_UART2 895 depends on ARCH_S3C24XX 896 select DEBUG_S3C2410_UART 897 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 898 help 899 Say Y here if you want the debug print routines to direct 900 their output to UART 2. The port must have been initialised 901 by the boot-loader before use. 902 903 config DEBUG_SA1100 904 depends on ARCH_SA1100 905 bool "Use SA1100 UARTs for low-level debug" 906 help 907 Say Y here if you want kernel low-level debugging support 908 on SA-11x0 UART ports. The kernel will check for the first 909 enabled UART in a sequence 3-1-2. 910 911 config DEBUG_SOCFPGA_UART 912 depends on ARCH_SOCFPGA 913 bool "Use SOCFPGA UART for low-level debug" 914 select DEBUG_UART_8250 915 help 916 Say Y here if you want kernel low-level debugging support 917 on SOCFPGA based platforms. 918 919 config DEBUG_SUN9I_UART0 920 bool "Kernel low-level debugging messages via sun9i UART0" 921 depends on MACH_SUN9I 922 select DEBUG_UART_8250 923 help 924 Say Y here if you want kernel low-level debugging support 925 on Allwinner A80 based platforms on the UART0. 926 927 config DEBUG_SUNXI_UART0 928 bool "Kernel low-level debugging messages via sunXi UART0" 929 depends on ARCH_SUNXI 930 select DEBUG_UART_8250 931 help 932 Say Y here if you want kernel low-level debugging support 933 on Allwinner A1X based platforms on the UART0. 934 935 config DEBUG_SUNXI_UART1 936 bool "Kernel low-level debugging messages via sunXi UART1" 937 depends on ARCH_SUNXI 938 select DEBUG_UART_8250 939 help 940 Say Y here if you want kernel low-level debugging support 941 on Allwinner A1X based platforms on the UART1. 942 943 config DEBUG_SUNXI_R_UART 944 bool "Kernel low-level debugging messages via sunXi R_UART" 945 depends on MACH_SUN6I || MACH_SUN8I 946 select DEBUG_UART_8250 947 help 948 Say Y here if you want kernel low-level debugging support 949 on Allwinner A31/A23 based platforms on the R_UART. 950 951 config TEGRA_DEBUG_UART_AUTO_ODMDATA 952 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 953 depends on ARCH_TEGRA 954 select DEBUG_TEGRA_UART 955 help 956 Automatically determines which UART to use for low-level 957 debug based on the ODMDATA value. This value is part of 958 the BCT, and is written to the boot memory device using 959 nvflash, or other flashing tool. When bits 19:18 are 3, 960 then bits 17:15 indicate which UART to use; 0/1/2/3/4 961 are UART A/B/C/D/E. 962 963 config TEGRA_DEBUG_UARTA 964 bool "Kernel low-level debugging messages via Tegra UART A" 965 depends on ARCH_TEGRA 966 select DEBUG_TEGRA_UART 967 help 968 Say Y here if you want kernel low-level debugging support 969 on Tegra based platforms. 970 971 config TEGRA_DEBUG_UARTB 972 bool "Kernel low-level debugging messages via Tegra UART B" 973 depends on ARCH_TEGRA 974 select DEBUG_TEGRA_UART 975 help 976 Say Y here if you want kernel low-level debugging support 977 on Tegra based platforms. 978 979 config TEGRA_DEBUG_UARTC 980 bool "Kernel low-level debugging messages via Tegra UART C" 981 depends on ARCH_TEGRA 982 select DEBUG_TEGRA_UART 983 help 984 Say Y here if you want kernel low-level debugging support 985 on Tegra based platforms. 986 987 config TEGRA_DEBUG_UARTD 988 bool "Kernel low-level debugging messages via Tegra UART D" 989 depends on ARCH_TEGRA 990 select DEBUG_TEGRA_UART 991 help 992 Say Y here if you want kernel low-level debugging support 993 on Tegra based platforms. 994 995 config TEGRA_DEBUG_UARTE 996 bool "Kernel low-level debugging messages via Tegra UART E" 997 depends on ARCH_TEGRA 998 select DEBUG_TEGRA_UART 999 help 1000 Say Y here if you want kernel low-level debugging support 1001 on Tegra based platforms. 1002 1003 config DEBUG_SIRFPRIMA2_UART1 1004 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1005 depends on ARCH_PRIMA2 1006 select DEBUG_SIRFSOC_UART 1007 help 1008 Say Y here if you want the debug print routines to direct 1009 their output to the uart1 port on SiRFprimaII devices. 1010 1011 config DEBUG_SIRFATLAS7_UART0 1012 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1013 depends on ARCH_ATLAS7 1014 select DEBUG_SIRFSOC_UART 1015 help 1016 Say Y here if you want the debug print routines to direct 1017 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1018 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1019 debug port can be very useful. 1020 1021 config DEBUG_SIRFATLAS7_UART1 1022 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1023 depends on ARCH_ATLAS7 1024 select DEBUG_SIRFSOC_UART 1025 help 1026 Say Y here if you want the debug print routines to direct 1027 their output to the uart1 port on SiRFATLAS7 devices. 1028 1029 config STIH41X_DEBUG_ASC2 1030 bool "Use StiH415/416 ASC2 UART for low-level debug" 1031 depends on ARCH_STI 1032 select DEBUG_STI_UART 1033 help 1034 Say Y here if you want kernel low-level debugging support 1035 on STiH415/416 based platforms like b2000, which has 1036 default UART wired up to ASC2. 1037 1038 If unsure, say N. 1039 1040 config STIH41X_DEBUG_SBC_ASC1 1041 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1042 depends on ARCH_STI 1043 select DEBUG_STI_UART 1044 help 1045 Say Y here if you want kernel low-level debugging support 1046 on STiH415/416 based platforms like b2020. which has 1047 default UART wired up to SBC ASC1. 1048 1049 If unsure, say N. 1050 1051 config DEBUG_U300_UART 1052 bool "Kernel low-level debugging messages via U300 UART0" 1053 depends on ARCH_U300 1054 select DEBUG_UART_PL01X 1055 help 1056 Say Y here if you want the debug print routines to direct 1057 their output to the uart port on U300 devices. 1058 1059 config DEBUG_UX500_UART 1060 depends on ARCH_U8500 1061 bool "Use Ux500 UART for low-level debug" 1062 help 1063 Say Y here if you want kernel low-level debugging support 1064 on Ux500 based platforms. 1065 1066 config DEBUG_MT6589_UART0 1067 bool "Mediatek mt6589 UART0" 1068 depends on ARCH_MEDIATEK 1069 select DEBUG_UART_8250 1070 help 1071 Say Y here if you want kernel low-level debugging support 1072 for Mediatek mt6589 based platforms on UART0. 1073 1074 config DEBUG_MT8127_UART0 1075 bool "Mediatek mt8127/mt6592 UART0" 1076 depends on ARCH_MEDIATEK 1077 select DEBUG_UART_8250 1078 help 1079 Say Y here if you want kernel low-level debugging support 1080 for Mediatek mt8127 based platforms on UART0. 1081 1082 config DEBUG_MT8135_UART3 1083 bool "Mediatek mt8135 UART3" 1084 depends on ARCH_MEDIATEK 1085 select DEBUG_UART_8250 1086 help 1087 Say Y here if you want kernel low-level debugging support 1088 for Mediatek mt8135 based platforms on UART3. 1089 1090 config DEBUG_VEXPRESS_UART0_DETECT 1091 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1092 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1093 help 1094 This option enables a simple heuristic which tries to determine 1095 the motherboard's memory map variant (original or RS1) and then 1096 choose the relevant UART0 base address. 1097 1098 Note that this will only work with standard A-class core tiles, 1099 and may fail with non-standard SMM or custom software models. 1100 1101 config DEBUG_VEXPRESS_UART0_CA9 1102 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1103 depends on ARCH_VEXPRESS 1104 select DEBUG_UART_PL01X 1105 help 1106 This option selects UART0 at 0x10009000. Except for custom models, 1107 this applies only to the V2P-CA9 tile. 1108 1109 config DEBUG_VEXPRESS_UART0_RS1 1110 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1111 depends on ARCH_VEXPRESS 1112 select DEBUG_UART_PL01X 1113 help 1114 This option selects UART0 at 0x1c090000. This applies to most 1115 of the tiles using the RS1 memory map, including all new A-class 1116 core tiles, FPGA-based SMMs and software models. 1117 1118 config DEBUG_VEXPRESS_UART0_CRX 1119 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1120 depends on ARCH_VEXPRESS && !MMU 1121 select DEBUG_UART_PL01X 1122 help 1123 This option selects UART0 at 0xb0090000. This is appropriate for 1124 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1125 1126 config DEBUG_VT8500_UART0 1127 bool "Use UART0 on VIA/Wondermedia SoCs" 1128 depends on ARCH_VT8500 1129 help 1130 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1131 devices, including VT8500, WM8505, WM8650 and WM8850. 1132 1133 config DEBUG_ICEDCC 1134 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1135 help 1136 Say Y here if you want the debug print routines to direct 1137 their output to the EmbeddedICE macrocell's DCC channel using 1138 co-processor 14. This is known to work on the ARM9 style ICE 1139 channel and on the XScale with the PEEDI. 1140 1141 Note that the system will appear to hang during boot if there 1142 is nothing connected to read from the DCC. 1143 1144 config DEBUG_SEMIHOSTING 1145 bool "Kernel low-level debug output via semihosting I/O" 1146 help 1147 Semihosting enables code running on an ARM target to use 1148 the I/O facilities on a host debugger/emulator through a 1149 simple SVC call. The host debugger or emulator must have 1150 semihosting enabled for the special svc call to be trapped 1151 otherwise the kernel will crash. 1152 1153 This is known to work with OpenOCD, as well as 1154 ARM's Fast Models, or any other controlling environment 1155 that implements semihosting. 1156 1157 For more details about semihosting, please see 1158 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1159 1160 config DEBUG_LL_UART_8250 1161 bool "Kernel low-level debugging via 8250 UART" 1162 help 1163 Say Y here if you wish the debug print routes to direct 1164 their output to an 8250 UART. You can use this option 1165 to provide the parameters for the 8250 UART rather than 1166 selecting one of the platform specific options above if 1167 you know the parameters for the port. 1168 1169 This option is preferred over the platform specific 1170 options; the platform specific options are deprecated 1171 and will be soon removed. 1172 1173 config DEBUG_LL_UART_EFM32 1174 bool "Kernel low-level debugging via efm32 UART" 1175 depends on ARCH_EFM32 1176 help 1177 Say Y here if you want the debug print routines to direct 1178 their output to an UART or USART port on efm32 based 1179 machines. Use the following addresses for DEBUG_UART_PHYS: 1180 1181 0x4000c000 | USART0 1182 0x4000c400 | USART1 1183 0x4000c800 | USART2 1184 0x4000e000 | UART0 1185 0x4000e400 | UART1 1186 1187 config DEBUG_LL_UART_PL01X 1188 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1189 help 1190 Say Y here if you wish the debug print routes to direct 1191 their output to a PL01x Primecell UART. You can use 1192 this option to provide the parameters for the UART 1193 rather than selecting one of the platform specific 1194 options above if you know the parameters for the port. 1195 1196 This option is preferred over the platform specific 1197 options; the platform specific options are deprecated 1198 and will be soon removed. 1199 1200endchoice 1201 1202config DEBUG_AT91_UART 1203 bool 1204 depends on ARCH_AT91 1205 1206config DEBUG_EXYNOS_UART 1207 bool 1208 1209config DEBUG_S3C2410_UART 1210 bool 1211 select DEBUG_S3C24XX_UART 1212 1213config DEBUG_S3C24XX_UART 1214 bool 1215 1216config DEBUG_S5PV210_UART 1217 bool 1218 1219config DEBUG_OMAP2PLUS_UART 1220 bool 1221 depends on ARCH_OMAP2PLUS 1222 1223config DEBUG_IMX_UART_PORT 1224 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1225 DEBUG_IMX25_UART || \ 1226 DEBUG_IMX21_IMX27_UART || \ 1227 DEBUG_IMX31_UART || \ 1228 DEBUG_IMX35_UART || \ 1229 DEBUG_IMX50_UART || \ 1230 DEBUG_IMX51_UART || \ 1231 DEBUG_IMX53_UART || \ 1232 DEBUG_IMX6Q_UART || \ 1233 DEBUG_IMX6SL_UART || \ 1234 DEBUG_IMX6SX_UART 1235 default 1 1236 depends on ARCH_MXC 1237 help 1238 Choose UART port on which kernel low-level debug messages 1239 should be output. 1240 1241config DEBUG_VF_UART_PORT 1242 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1243 default 1 1244 range 0 3 1245 depends on SOC_VF610 1246 help 1247 Choose UART port on which kernel low-level debug messages 1248 should be output. 1249 1250config DEBUG_TEGRA_UART 1251 bool 1252 depends on ARCH_TEGRA 1253 1254config DEBUG_STI_UART 1255 bool 1256 depends on ARCH_STI 1257 1258config DEBUG_SIRFSOC_UART 1259 bool 1260 depends on ARCH_SIRF 1261 1262config DEBUG_LL_INCLUDE 1263 string 1264 default "debug/sa1100.S" if DEBUG_SA1100 1265 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1266 default "debug/at91.S" if DEBUG_AT91_UART 1267 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1268 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1269 default "debug/meson.S" if DEBUG_MESON_UARTAO 1270 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1271 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1272 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1273 default "debug/icedcc.S" if DEBUG_ICEDCC 1274 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1275 DEBUG_IMX25_UART || \ 1276 DEBUG_IMX21_IMX27_UART || \ 1277 DEBUG_IMX31_UART || \ 1278 DEBUG_IMX35_UART || \ 1279 DEBUG_IMX50_UART || \ 1280 DEBUG_IMX51_UART || \ 1281 DEBUG_IMX53_UART ||\ 1282 DEBUG_IMX6Q_UART || \ 1283 DEBUG_IMX6SL_UART || \ 1284 DEBUG_IMX6SX_UART 1285 default "debug/ks8695.S" if DEBUG_KS8695_UART 1286 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1287 default "debug/netx.S" if DEBUG_NETX_UART 1288 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1289 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1290 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1291 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1292 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1293 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1294 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1295 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1296 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1297 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART 1298 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1299 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1300 default "debug/sti.S" if DEBUG_STI_UART 1301 default "debug/tegra.S" if DEBUG_TEGRA_UART 1302 default "debug/ux500.S" if DEBUG_UX500_UART 1303 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1304 default "debug/vf.S" if DEBUG_VF_UART 1305 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1306 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1307 default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX 1308 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1309 default "mach/debug-macro.S" 1310 1311# Compatibility options for PL01x 1312config DEBUG_UART_PL01X 1313 bool 1314 1315# Compatibility options for 8250 1316config DEBUG_UART_8250 1317 def_bool ARCH_DOVE || ARCH_EBSA110 || \ 1318 (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \ 1319 ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \ 1320 ARCH_IOP33X || ARCH_IXP4XX || \ 1321 ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC 1322 1323# Compatibility options for BCM63xx 1324config DEBUG_UART_BCM63XX 1325 def_bool ARCH_BCM_63XX 1326 1327config DEBUG_UART_PHYS 1328 hex "Physical base address of debug UART" 1329 default 0x00100a00 if DEBUG_NETX_UART 1330 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1331 default 0x01c28000 if DEBUG_SUNXI_UART0 1332 default 0x01c28400 if DEBUG_SUNXI_UART1 1333 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1334 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1335 default 0x01f02800 if DEBUG_SUNXI_R_UART 1336 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1337 default 0x02531000 if DEBUG_KEYSTONE_UART1 1338 default 0x03010fe0 if ARCH_RPC 1339 default 0x07000000 if DEBUG_SUN9I_UART0 1340 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1341 DEBUG_VEXPRESS_UART0_CA9 1342 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1343 default 0x10124000 if DEBUG_RK3X_UART0 1344 default 0x10126000 if DEBUG_RK3X_UART1 1345 default 0x101f1000 if ARCH_VERSATILE 1346 default 0x101fb000 if DEBUG_NOMADIK_UART 1347 default 0x11002000 if DEBUG_MT8127_UART0 1348 default 0x11006000 if DEBUG_MT6589_UART0 1349 default 0x11009000 if DEBUG_MT8135_UART3 1350 default 0x16000000 if ARCH_INTEGRATOR 1351 default 0x18000300 if DEBUG_BCM_5301X 1352 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1353 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1354 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1355 default 0x20001000 if DEBUG_HIP01_UART 1356 default 0x20060000 if DEBUG_RK29_UART0 1357 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1358 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1359 default 0x20201000 if DEBUG_BCM2835 1360 default 0x3e000000 if DEBUG_BCM_KONA_UART 1361 default 0x4000e400 if DEBUG_LL_UART_EFM32 1362 default 0x40090000 if ARCH_LPC32XX 1363 default 0x40100000 if DEBUG_PXA_UART1 1364 default 0x42000000 if ARCH_GEMINI 1365 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1366 DEBUG_S3C2410_UART0) 1367 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1368 DEBUG_S3C2410_UART1) 1369 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1370 DEBUG_S3C2410_UART2) 1371 default 0x78000000 if DEBUG_CNS3XXX 1372 default 0x7c0003f8 if FOOTBRIDGE 1373 default 0x80010000 if DEBUG_ASM9260_UART 1374 default 0x80070000 if DEBUG_IMX23_UART 1375 default 0x80074000 if DEBUG_IMX28_UART 1376 default 0x80230000 if DEBUG_PICOXCELL_UART 1377 default 0x808c0000 if ARCH_EP93XX 1378 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1379 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1380 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1381 default 0xc0013000 if DEBUG_U300_UART 1382 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1383 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1384 default 0xd0000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX 1385 default 0xd0012000 if DEBUG_MVEBU_UART0 1386 default 0xc81004c0 if DEBUG_MESON_UARTAO 1387 default 0xd4017000 if DEBUG_MMP_UART2 1388 default 0xd4018000 if DEBUG_MMP_UART3 1389 default 0xe0000000 if ARCH_SPEAR13XX 1390 default 0xe4007000 if DEBUG_HIP04_UART 1391 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1392 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1393 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1394 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1395 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1396 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1397 default 0xf0000be0 if ARCH_EBSA110 1398 default 0xf040ab00 if DEBUG_BRCMSTB_UART 1399 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1400 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1401 default 0xf1012000 if ARCH_DOVE || ARCH_MV78XX0 || \ 1402 ARCH_ORION5X 1403 default 0xf7fc9000 if DEBUG_BERLIN_UART 1404 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1405 default 0xf991e000 if DEBUG_QCOM_UARTDM 1406 default 0xfcb00000 if DEBUG_HI3620_UART 1407 default 0xfd883000 if DEBUG_ALPINE_UART0 1408 default 0xfe800000 if ARCH_IOP32X 1409 default 0xff690000 if DEBUG_RK32_UART2 1410 default 0xffc02000 if DEBUG_SOCFPGA_UART 1411 default 0xffd82340 if ARCH_IOP13XX 1412 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1413 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1414 default 0xfff36000 if DEBUG_HIGHBANK_UART 1415 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1416 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1417 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1418 default 0xfffe8600 if DEBUG_UART_BCM63XX 1419 default 0xfffff700 if ARCH_IOP33X 1420 depends on ARCH_EP93XX || \ 1421 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1422 DEBUG_LL_UART_EFM32 || \ 1423 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1424 DEBUG_NETX_UART || \ 1425 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1426 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1427 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1428 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1429 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1430 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ 1431 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 1432 1433config DEBUG_UART_VIRT 1434 hex "Virtual base address of debug UART" 1435 default 0xe0000a00 if DEBUG_NETX_UART 1436 default 0xe0010fe0 if ARCH_RPC 1437 default 0xf0000be0 if ARCH_EBSA110 1438 default 0xf0010000 if DEBUG_ASM9260_UART 1439 default 0xf01fb000 if DEBUG_NOMADIK_UART 1440 default 0xf0201000 if DEBUG_BCM2835 1441 default 0xf1000300 if DEBUG_BCM_5301X 1442 default 0xf1002000 if DEBUG_MT8127_UART0 1443 default 0xf1006000 if DEBUG_MT6589_UART0 1444 default 0xf1009000 if DEBUG_MT8135_UART3 1445 default 0xf11f1000 if ARCH_VERSATILE 1446 default 0xf1600000 if ARCH_INTEGRATOR 1447 default 0xf1c28000 if DEBUG_SUNXI_UART0 1448 default 0xf1c28400 if DEBUG_SUNXI_UART1 1449 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1450 default 0xf6200000 if DEBUG_PXA_UART1 1451 default 0xf4090000 if ARCH_LPC32XX 1452 default 0xf4200000 if ARCH_GEMINI 1453 default 0xf7000000 if DEBUG_SUN9I_UART0 1454 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1455 DEBUG_S3C2410_UART0) 1456 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1457 DEBUG_S3C2410_UART1) 1458 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1459 DEBUG_S3C2410_UART2) 1460 default 0xf7fc9000 if DEBUG_BERLIN_UART 1461 default 0xf8007000 if DEBUG_HIP04_UART 1462 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1463 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1464 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1465 default 0xfb002000 if DEBUG_CNS3XXX 1466 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1467 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1468 default 0xfc40ab00 if DEBUG_BRCMSTB_UART 1469 default 0xfcfe8600 if DEBUG_UART_BCM63XX 1470 default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX 1471 default 0xfd000000 if ARCH_SPEAR13XX 1472 default 0xfd012000 if ARCH_MV78XX0 1473 default 0xfd883000 if DEBUG_ALPINE_UART0 1474 default 0xfde12000 if ARCH_DOVE 1475 default 0xfe012000 if ARCH_ORION5X 1476 default 0xf31004c0 if DEBUG_MESON_UARTAO 1477 default 0xfe017000 if DEBUG_MMP_UART2 1478 default 0xfe018000 if DEBUG_MMP_UART3 1479 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1480 default 0xfe230000 if DEBUG_PICOXCELL_UART 1481 default 0xfe300000 if DEBUG_BCM_KONA_UART 1482 default 0xfe800000 if ARCH_IOP32X 1483 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1484 default 0xfeb24000 if DEBUG_RK3X_UART0 1485 default 0xfeb26000 if DEBUG_RK3X_UART1 1486 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1487 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1488 default 0xfec02000 if DEBUG_SOCFPGA_UART 1489 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE 1490 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1491 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1492 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1493 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1494 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1495 default 0xfec90000 if DEBUG_RK32_UART2 1496 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1497 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1498 default 0xfed60000 if DEBUG_RK29_UART0 1499 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1500 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1501 default 0xfedc0000 if ARCH_EP93XX 1502 default 0xfee003f8 if FOOTBRIDGE 1503 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1504 default 0xfee82340 if ARCH_IOP13XX 1505 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1506 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1507 default 0xfef36000 if DEBUG_HIGHBANK_UART 1508 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1509 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1510 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1511 default 0xfefff700 if ARCH_IOP33X 1512 default 0xff003000 if DEBUG_U300_UART 1513 default 0xffd01000 if DEBUG_HIP01_UART 1514 default DEBUG_UART_PHYS if !MMU 1515 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1516 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1517 DEBUG_NETX_UART || \ 1518 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1519 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ 1520 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 1521 1522config DEBUG_UART_8250_SHIFT 1523 int "Register offset shift for the 8250 debug UART" 1524 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1525 default 0 if FOOTBRIDGE || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1526 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3 1527 default 2 1528 1529config DEBUG_UART_8250_WORD 1530 bool "Use 32-bit accesses for 8250 UART" 1531 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1532 depends on DEBUG_UART_8250_SHIFT >= 2 1533 default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \ 1534 ARCH_KEYSTONE || DEBUG_ALPINE_UART0 || \ 1535 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1536 DEBUG_DAVINCI_DA8XX_UART2 || \ 1537 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \ 1538 DEBUG_BRCMSTB_UART 1539 1540config DEBUG_UART_8250_FLOW_CONTROL 1541 bool "Enable flow control for 8250 UART" 1542 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1543 default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC 1544 1545config DEBUG_UNCOMPRESS 1546 bool 1547 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG 1548 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1549 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) 1550 help 1551 This option influences the normal decompressor output for 1552 multiplatform kernels. Normally, multiplatform kernels disable 1553 decompressor output because it is not possible to know where to 1554 send the decompressor output. 1555 1556 When this option is set, the selected DEBUG_LL output method 1557 will be re-used for normal decompressor output on multiplatform 1558 kernels. 1559 1560 1561config UNCOMPRESS_INCLUDE 1562 string 1563 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1564 PLAT_SAMSUNG || ARCH_EFM32 || \ 1565 ARCH_SHMOBILE_LEGACY 1566 default "mach/uncompress.h" 1567 1568config EARLY_PRINTK 1569 bool "Early printk" 1570 depends on DEBUG_LL 1571 help 1572 Say Y here if you want to have an early console using the 1573 kernel low-level debugging functions. Add earlyprintk to your 1574 kernel parameters to enable this console. 1575 1576config ARM_KPROBES_TEST 1577 tristate "Kprobes test module" 1578 depends on KPROBES && MODULES 1579 help 1580 Perform tests of kprobes API and instruction set simulation. 1581 1582config PID_IN_CONTEXTIDR 1583 bool "Write the current PID to the CONTEXTIDR register" 1584 depends on CPU_COPY_V6 1585 help 1586 Enabling this option causes the kernel to write the current PID to 1587 the PROCID field of the CONTEXTIDR register, at the expense of some 1588 additional instructions during context switch. Say Y here only if you 1589 are planning to use hardware trace tools with this kernel. 1590 1591config DEBUG_SET_MODULE_RONX 1592 bool "Set loadable kernel module data as NX and text as RO" 1593 depends on MODULES 1594 ---help--- 1595 This option helps catch unintended modifications to loadable 1596 kernel module's text and read-only data. It also prevents execution 1597 of module data. Such protection may interfere with run-time code 1598 patching and dynamic kernel tracing - and they might also protect 1599 against certain classes of kernel exploits. 1600 If in doubt, say "N". 1601 1602source "drivers/hwtracing/coresight/Kconfig" 1603 1604endmenu 1605