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/SH7372" 814 depends on ARCH_R8A73A4 || ARCH_SH7372 815 help 816 Say Y here if you want kernel low-level debugging support 817 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4) or SH-Mobile 818 AP4 (SH7372). 819 820 config DEBUG_RMOBILE_SCIFA1 821 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 822 depends on ARCH_R8A7740 823 help 824 Say Y here if you want kernel low-level debugging support 825 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 826 827 config DEBUG_RMOBILE_SCIFA4 828 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 829 depends on ARCH_SH73A0 830 help 831 Say Y here if you want kernel low-level debugging support 832 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 833 834 config DEBUG_S3C_UART0 835 depends on PLAT_SAMSUNG 836 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 837 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 838 select DEBUG_S5PV210_UART if ARCH_S5PV210 839 bool "Use Samsung S3C UART 0 for low-level debug" 840 help 841 Say Y here if you want the debug print routines to direct 842 their output to UART 0. The port must have been initialised 843 by the boot-loader before use. 844 845 config DEBUG_S3C_UART1 846 depends on PLAT_SAMSUNG 847 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 848 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 849 select DEBUG_S5PV210_UART if ARCH_S5PV210 850 bool "Use Samsung S3C UART 1 for low-level debug" 851 help 852 Say Y here if you want the debug print routines to direct 853 their output to UART 1. The port must have been initialised 854 by the boot-loader before use. 855 856 config DEBUG_S3C_UART2 857 depends on PLAT_SAMSUNG 858 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 859 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 860 select DEBUG_S5PV210_UART if ARCH_S5PV210 861 bool "Use Samsung S3C UART 2 for low-level debug" 862 help 863 Say Y here if you want the debug print routines to direct 864 their output to UART 2. The port must have been initialised 865 by the boot-loader before use. 866 867 config DEBUG_S3C_UART3 868 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 869 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 870 select DEBUG_S5PV210_UART if ARCH_S5PV210 871 bool "Use Samsung S3C UART 3 for low-level debug" 872 help 873 Say Y here if you want the debug print routines to direct 874 their output to UART 3. The port must have been initialised 875 by the boot-loader before use. 876 877 config DEBUG_S3C2410_UART0 878 depends on ARCH_S3C24XX 879 select DEBUG_S3C2410_UART 880 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 881 help 882 Say Y here if you want the debug print routines to direct 883 their output to UART 0. The port must have been initialised 884 by the boot-loader before use. 885 886 config DEBUG_S3C2410_UART1 887 depends on ARCH_S3C24XX 888 select DEBUG_S3C2410_UART 889 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 890 help 891 Say Y here if you want the debug print routines to direct 892 their output to UART 1. The port must have been initialised 893 by the boot-loader before use. 894 895 config DEBUG_S3C2410_UART2 896 depends on ARCH_S3C24XX 897 select DEBUG_S3C2410_UART 898 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 899 help 900 Say Y here if you want the debug print routines to direct 901 their output to UART 2. The port must have been initialised 902 by the boot-loader before use. 903 904 config DEBUG_SA1100 905 depends on ARCH_SA1100 906 bool "Use SA1100 UARTs for low-level debug" 907 help 908 Say Y here if you want kernel low-level debugging support 909 on SA-11x0 UART ports. The kernel will check for the first 910 enabled UART in a sequence 3-1-2. 911 912 config DEBUG_SOCFPGA_UART 913 depends on ARCH_SOCFPGA 914 bool "Use SOCFPGA UART for low-level debug" 915 select DEBUG_UART_8250 916 help 917 Say Y here if you want kernel low-level debugging support 918 on SOCFPGA based platforms. 919 920 config DEBUG_SUN9I_UART0 921 bool "Kernel low-level debugging messages via sun9i UART0" 922 depends on MACH_SUN9I 923 select DEBUG_UART_8250 924 help 925 Say Y here if you want kernel low-level debugging support 926 on Allwinner A80 based platforms on the UART0. 927 928 config DEBUG_SUNXI_UART0 929 bool "Kernel low-level debugging messages via sunXi UART0" 930 depends on ARCH_SUNXI 931 select DEBUG_UART_8250 932 help 933 Say Y here if you want kernel low-level debugging support 934 on Allwinner A1X based platforms on the UART0. 935 936 config DEBUG_SUNXI_UART1 937 bool "Kernel low-level debugging messages via sunXi UART1" 938 depends on ARCH_SUNXI 939 select DEBUG_UART_8250 940 help 941 Say Y here if you want kernel low-level debugging support 942 on Allwinner A1X based platforms on the UART1. 943 944 config DEBUG_SUNXI_R_UART 945 bool "Kernel low-level debugging messages via sunXi R_UART" 946 depends on MACH_SUN6I || MACH_SUN8I 947 select DEBUG_UART_8250 948 help 949 Say Y here if you want kernel low-level debugging support 950 on Allwinner A31/A23 based platforms on the R_UART. 951 952 config TEGRA_DEBUG_UART_AUTO_ODMDATA 953 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 954 depends on ARCH_TEGRA 955 select DEBUG_TEGRA_UART 956 help 957 Automatically determines which UART to use for low-level 958 debug based on the ODMDATA value. This value is part of 959 the BCT, and is written to the boot memory device using 960 nvflash, or other flashing tool. When bits 19:18 are 3, 961 then bits 17:15 indicate which UART to use; 0/1/2/3/4 962 are UART A/B/C/D/E. 963 964 config TEGRA_DEBUG_UARTA 965 bool "Kernel low-level debugging messages via Tegra UART A" 966 depends on ARCH_TEGRA 967 select DEBUG_TEGRA_UART 968 help 969 Say Y here if you want kernel low-level debugging support 970 on Tegra based platforms. 971 972 config TEGRA_DEBUG_UARTB 973 bool "Kernel low-level debugging messages via Tegra UART B" 974 depends on ARCH_TEGRA 975 select DEBUG_TEGRA_UART 976 help 977 Say Y here if you want kernel low-level debugging support 978 on Tegra based platforms. 979 980 config TEGRA_DEBUG_UARTC 981 bool "Kernel low-level debugging messages via Tegra UART C" 982 depends on ARCH_TEGRA 983 select DEBUG_TEGRA_UART 984 help 985 Say Y here if you want kernel low-level debugging support 986 on Tegra based platforms. 987 988 config TEGRA_DEBUG_UARTD 989 bool "Kernel low-level debugging messages via Tegra UART D" 990 depends on ARCH_TEGRA 991 select DEBUG_TEGRA_UART 992 help 993 Say Y here if you want kernel low-level debugging support 994 on Tegra based platforms. 995 996 config TEGRA_DEBUG_UARTE 997 bool "Kernel low-level debugging messages via Tegra UART E" 998 depends on ARCH_TEGRA 999 select DEBUG_TEGRA_UART 1000 help 1001 Say Y here if you want kernel low-level debugging support 1002 on Tegra based platforms. 1003 1004 config DEBUG_SIRFPRIMA2_UART1 1005 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1006 depends on ARCH_PRIMA2 1007 select DEBUG_SIRFSOC_UART 1008 help 1009 Say Y here if you want the debug print routines to direct 1010 their output to the uart1 port on SiRFprimaII devices. 1011 1012 config DEBUG_SIRFATLAS7_UART0 1013 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1014 depends on ARCH_ATLAS7 1015 select DEBUG_SIRFSOC_UART 1016 help 1017 Say Y here if you want the debug print routines to direct 1018 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1019 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1020 debug port can be very useful. 1021 1022 config DEBUG_SIRFATLAS7_UART1 1023 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1024 depends on ARCH_ATLAS7 1025 select DEBUG_SIRFSOC_UART 1026 help 1027 Say Y here if you want the debug print routines to direct 1028 their output to the uart1 port on SiRFATLAS7 devices. 1029 1030 config STIH41X_DEBUG_ASC2 1031 bool "Use StiH415/416 ASC2 UART for low-level debug" 1032 depends on ARCH_STI 1033 select DEBUG_STI_UART 1034 help 1035 Say Y here if you want kernel low-level debugging support 1036 on STiH415/416 based platforms like b2000, which has 1037 default UART wired up to ASC2. 1038 1039 If unsure, say N. 1040 1041 config STIH41X_DEBUG_SBC_ASC1 1042 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1043 depends on ARCH_STI 1044 select DEBUG_STI_UART 1045 help 1046 Say Y here if you want kernel low-level debugging support 1047 on STiH415/416 based platforms like b2020. which has 1048 default UART wired up to SBC ASC1. 1049 1050 If unsure, say N. 1051 1052 config DEBUG_U300_UART 1053 bool "Kernel low-level debugging messages via U300 UART0" 1054 depends on ARCH_U300 1055 select DEBUG_UART_PL01X 1056 help 1057 Say Y here if you want the debug print routines to direct 1058 their output to the uart port on U300 devices. 1059 1060 config DEBUG_UX500_UART 1061 depends on ARCH_U8500 1062 bool "Use Ux500 UART for low-level debug" 1063 help 1064 Say Y here if you want kernel low-level debugging support 1065 on Ux500 based platforms. 1066 1067 config DEBUG_MT6589_UART0 1068 bool "Mediatek mt6589 UART0" 1069 depends on ARCH_MEDIATEK 1070 select DEBUG_UART_8250 1071 help 1072 Say Y here if you want kernel low-level debugging support 1073 for Mediatek mt6589 based platforms on UART0. 1074 1075 config DEBUG_MT8127_UART0 1076 bool "Mediatek mt8127/mt6592 UART0" 1077 depends on ARCH_MEDIATEK 1078 select DEBUG_UART_8250 1079 help 1080 Say Y here if you want kernel low-level debugging support 1081 for Mediatek mt8127 based platforms on UART0. 1082 1083 config DEBUG_MT8135_UART3 1084 bool "Mediatek mt8135 UART3" 1085 depends on ARCH_MEDIATEK 1086 select DEBUG_UART_8250 1087 help 1088 Say Y here if you want kernel low-level debugging support 1089 for Mediatek mt8135 based platforms on UART3. 1090 1091 config DEBUG_VEXPRESS_UART0_DETECT 1092 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1093 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1094 help 1095 This option enables a simple heuristic which tries to determine 1096 the motherboard's memory map variant (original or RS1) and then 1097 choose the relevant UART0 base address. 1098 1099 Note that this will only work with standard A-class core tiles, 1100 and may fail with non-standard SMM or custom software models. 1101 1102 config DEBUG_VEXPRESS_UART0_CA9 1103 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1104 depends on ARCH_VEXPRESS 1105 select DEBUG_UART_PL01X 1106 help 1107 This option selects UART0 at 0x10009000. Except for custom models, 1108 this applies only to the V2P-CA9 tile. 1109 1110 config DEBUG_VEXPRESS_UART0_RS1 1111 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1112 depends on ARCH_VEXPRESS 1113 select DEBUG_UART_PL01X 1114 help 1115 This option selects UART0 at 0x1c090000. This applies to most 1116 of the tiles using the RS1 memory map, including all new A-class 1117 core tiles, FPGA-based SMMs and software models. 1118 1119 config DEBUG_VEXPRESS_UART0_CRX 1120 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1121 depends on ARCH_VEXPRESS && !MMU 1122 select DEBUG_UART_PL01X 1123 help 1124 This option selects UART0 at 0xb0090000. This is appropriate for 1125 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1126 1127 config DEBUG_VT8500_UART0 1128 bool "Use UART0 on VIA/Wondermedia SoCs" 1129 depends on ARCH_VT8500 1130 help 1131 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1132 devices, including VT8500, WM8505, WM8650 and WM8850. 1133 1134 config DEBUG_ICEDCC 1135 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1136 help 1137 Say Y here if you want the debug print routines to direct 1138 their output to the EmbeddedICE macrocell's DCC channel using 1139 co-processor 14. This is known to work on the ARM9 style ICE 1140 channel and on the XScale with the PEEDI. 1141 1142 Note that the system will appear to hang during boot if there 1143 is nothing connected to read from the DCC. 1144 1145 config DEBUG_SEMIHOSTING 1146 bool "Kernel low-level debug output via semihosting I/O" 1147 help 1148 Semihosting enables code running on an ARM target to use 1149 the I/O facilities on a host debugger/emulator through a 1150 simple SVC call. The host debugger or emulator must have 1151 semihosting enabled for the special svc call to be trapped 1152 otherwise the kernel will crash. 1153 1154 This is known to work with OpenOCD, as well as 1155 ARM's Fast Models, or any other controlling environment 1156 that implements semihosting. 1157 1158 For more details about semihosting, please see 1159 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1160 1161 config DEBUG_LL_UART_8250 1162 bool "Kernel low-level debugging via 8250 UART" 1163 help 1164 Say Y here if you wish the debug print routes to direct 1165 their output to an 8250 UART. You can use this option 1166 to provide the parameters for the 8250 UART rather than 1167 selecting one of the platform specific options above if 1168 you know the parameters for the port. 1169 1170 This option is preferred over the platform specific 1171 options; the platform specific options are deprecated 1172 and will be soon removed. 1173 1174 config DEBUG_LL_UART_EFM32 1175 bool "Kernel low-level debugging via efm32 UART" 1176 depends on ARCH_EFM32 1177 help 1178 Say Y here if you want the debug print routines to direct 1179 their output to an UART or USART port on efm32 based 1180 machines. Use the following addresses for DEBUG_UART_PHYS: 1181 1182 0x4000c000 | USART0 1183 0x4000c400 | USART1 1184 0x4000c800 | USART2 1185 0x4000e000 | UART0 1186 0x4000e400 | UART1 1187 1188 config DEBUG_LL_UART_PL01X 1189 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1190 help 1191 Say Y here if you wish the debug print routes to direct 1192 their output to a PL01x Primecell UART. You can use 1193 this option to provide the parameters for the UART 1194 rather than selecting one of the platform specific 1195 options above if you know the parameters for the port. 1196 1197 This option is preferred over the platform specific 1198 options; the platform specific options are deprecated 1199 and will be soon removed. 1200 1201endchoice 1202 1203config DEBUG_AT91_UART 1204 bool 1205 depends on ARCH_AT91 1206 1207config DEBUG_EXYNOS_UART 1208 bool 1209 1210config DEBUG_S3C2410_UART 1211 bool 1212 select DEBUG_S3C24XX_UART 1213 1214config DEBUG_S3C24XX_UART 1215 bool 1216 1217config DEBUG_S5PV210_UART 1218 bool 1219 1220config DEBUG_OMAP2PLUS_UART 1221 bool 1222 depends on ARCH_OMAP2PLUS 1223 1224config DEBUG_IMX_UART_PORT 1225 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1226 DEBUG_IMX25_UART || \ 1227 DEBUG_IMX21_IMX27_UART || \ 1228 DEBUG_IMX31_UART || \ 1229 DEBUG_IMX35_UART || \ 1230 DEBUG_IMX50_UART || \ 1231 DEBUG_IMX51_UART || \ 1232 DEBUG_IMX53_UART || \ 1233 DEBUG_IMX6Q_UART || \ 1234 DEBUG_IMX6SL_UART || \ 1235 DEBUG_IMX6SX_UART 1236 default 1 1237 depends on ARCH_MXC 1238 help 1239 Choose UART port on which kernel low-level debug messages 1240 should be output. 1241 1242config DEBUG_VF_UART_PORT 1243 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1244 default 1 1245 range 0 3 1246 depends on SOC_VF610 1247 help 1248 Choose UART port on which kernel low-level debug messages 1249 should be output. 1250 1251config DEBUG_TEGRA_UART 1252 bool 1253 depends on ARCH_TEGRA 1254 1255config DEBUG_STI_UART 1256 bool 1257 depends on ARCH_STI 1258 1259config DEBUG_SIRFSOC_UART 1260 bool 1261 depends on ARCH_SIRF 1262 1263config DEBUG_LL_INCLUDE 1264 string 1265 default "debug/sa1100.S" if DEBUG_SA1100 1266 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1267 default "debug/at91.S" if DEBUG_AT91_UART 1268 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1269 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1270 default "debug/meson.S" if DEBUG_MESON_UARTAO 1271 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1272 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1273 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1274 default "debug/icedcc.S" if DEBUG_ICEDCC 1275 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1276 DEBUG_IMX25_UART || \ 1277 DEBUG_IMX21_IMX27_UART || \ 1278 DEBUG_IMX31_UART || \ 1279 DEBUG_IMX35_UART || \ 1280 DEBUG_IMX50_UART || \ 1281 DEBUG_IMX51_UART || \ 1282 DEBUG_IMX53_UART ||\ 1283 DEBUG_IMX6Q_UART || \ 1284 DEBUG_IMX6SL_UART || \ 1285 DEBUG_IMX6SX_UART 1286 default "debug/ks8695.S" if DEBUG_KS8695_UART 1287 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1288 default "debug/netx.S" if DEBUG_NETX_UART 1289 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1290 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1291 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1292 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1293 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1294 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1295 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1296 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1297 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1298 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART 1299 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1300 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1301 default "debug/sti.S" if DEBUG_STI_UART 1302 default "debug/tegra.S" if DEBUG_TEGRA_UART 1303 default "debug/ux500.S" if DEBUG_UX500_UART 1304 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1305 default "debug/vf.S" if DEBUG_VF_UART 1306 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1307 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1308 default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX 1309 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1310 default "mach/debug-macro.S" 1311 1312# Compatibility options for PL01x 1313config DEBUG_UART_PL01X 1314 bool 1315 1316# Compatibility options for 8250 1317config DEBUG_UART_8250 1318 def_bool ARCH_DOVE || ARCH_EBSA110 || \ 1319 (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \ 1320 ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \ 1321 ARCH_IOP33X || ARCH_IXP4XX || \ 1322 ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC 1323 1324# Compatibility options for BCM63xx 1325config DEBUG_UART_BCM63XX 1326 def_bool ARCH_BCM_63XX 1327 1328config DEBUG_UART_PHYS 1329 hex "Physical base address of debug UART" 1330 default 0x00100a00 if DEBUG_NETX_UART 1331 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1332 default 0x01c28000 if DEBUG_SUNXI_UART0 1333 default 0x01c28400 if DEBUG_SUNXI_UART1 1334 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1335 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1336 default 0x01f02800 if DEBUG_SUNXI_R_UART 1337 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1338 default 0x02531000 if DEBUG_KEYSTONE_UART1 1339 default 0x03010fe0 if ARCH_RPC 1340 default 0x07000000 if DEBUG_SUN9I_UART0 1341 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1342 DEBUG_VEXPRESS_UART0_CA9 1343 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1344 default 0x10124000 if DEBUG_RK3X_UART0 1345 default 0x10126000 if DEBUG_RK3X_UART1 1346 default 0x101f1000 if ARCH_VERSATILE 1347 default 0x101fb000 if DEBUG_NOMADIK_UART 1348 default 0x11002000 if DEBUG_MT8127_UART0 1349 default 0x11006000 if DEBUG_MT6589_UART0 1350 default 0x11009000 if DEBUG_MT8135_UART3 1351 default 0x16000000 if ARCH_INTEGRATOR 1352 default 0x18000300 if DEBUG_BCM_5301X 1353 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1354 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1355 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1356 default 0x20001000 if DEBUG_HIP01_UART 1357 default 0x20060000 if DEBUG_RK29_UART0 1358 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1359 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1360 default 0x20201000 if DEBUG_BCM2835 1361 default 0x3e000000 if DEBUG_BCM_KONA_UART 1362 default 0x4000e400 if DEBUG_LL_UART_EFM32 1363 default 0x40090000 if ARCH_LPC32XX 1364 default 0x40100000 if DEBUG_PXA_UART1 1365 default 0x42000000 if ARCH_GEMINI 1366 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1367 DEBUG_S3C2410_UART0) 1368 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1369 DEBUG_S3C2410_UART1) 1370 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1371 DEBUG_S3C2410_UART2) 1372 default 0x78000000 if DEBUG_CNS3XXX 1373 default 0x7c0003f8 if FOOTBRIDGE 1374 default 0x80010000 if DEBUG_ASM9260_UART 1375 default 0x80070000 if DEBUG_IMX23_UART 1376 default 0x80074000 if DEBUG_IMX28_UART 1377 default 0x80230000 if DEBUG_PICOXCELL_UART 1378 default 0x808c0000 if ARCH_EP93XX 1379 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1380 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1381 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1382 default 0xc0013000 if DEBUG_U300_UART 1383 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1384 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1385 default 0xd0000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX 1386 default 0xd0012000 if DEBUG_MVEBU_UART0 1387 default 0xc81004c0 if DEBUG_MESON_UARTAO 1388 default 0xd4017000 if DEBUG_MMP_UART2 1389 default 0xd4018000 if DEBUG_MMP_UART3 1390 default 0xe0000000 if ARCH_SPEAR13XX 1391 default 0xe4007000 if DEBUG_HIP04_UART 1392 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1393 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1394 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1395 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1396 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1397 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1398 default 0xf0000be0 if ARCH_EBSA110 1399 default 0xf040ab00 if DEBUG_BRCMSTB_UART 1400 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1401 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1402 default 0xf1012000 if ARCH_DOVE || ARCH_MV78XX0 || \ 1403 ARCH_ORION5X 1404 default 0xf7fc9000 if DEBUG_BERLIN_UART 1405 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1406 default 0xf991e000 if DEBUG_QCOM_UARTDM 1407 default 0xfcb00000 if DEBUG_HI3620_UART 1408 default 0xfd883000 if DEBUG_ALPINE_UART0 1409 default 0xfe800000 if ARCH_IOP32X 1410 default 0xff690000 if DEBUG_RK32_UART2 1411 default 0xffc02000 if DEBUG_SOCFPGA_UART 1412 default 0xffd82340 if ARCH_IOP13XX 1413 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1414 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1415 default 0xfff36000 if DEBUG_HIGHBANK_UART 1416 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1417 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1418 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1419 default 0xfffe8600 if DEBUG_UART_BCM63XX 1420 default 0xfffff700 if ARCH_IOP33X 1421 depends on ARCH_EP93XX || \ 1422 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1423 DEBUG_LL_UART_EFM32 || \ 1424 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1425 DEBUG_NETX_UART || \ 1426 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1427 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1428 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1429 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1430 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1431 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ 1432 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 1433 1434config DEBUG_UART_VIRT 1435 hex "Virtual base address of debug UART" 1436 default 0xe0000a00 if DEBUG_NETX_UART 1437 default 0xe0010fe0 if ARCH_RPC 1438 default 0xf0000be0 if ARCH_EBSA110 1439 default 0xf0010000 if DEBUG_ASM9260_UART 1440 default 0xf01fb000 if DEBUG_NOMADIK_UART 1441 default 0xf0201000 if DEBUG_BCM2835 1442 default 0xf1000300 if DEBUG_BCM_5301X 1443 default 0xf1002000 if DEBUG_MT8127_UART0 1444 default 0xf1006000 if DEBUG_MT6589_UART0 1445 default 0xf1009000 if DEBUG_MT8135_UART3 1446 default 0xf11f1000 if ARCH_VERSATILE 1447 default 0xf1600000 if ARCH_INTEGRATOR 1448 default 0xf1c28000 if DEBUG_SUNXI_UART0 1449 default 0xf1c28400 if DEBUG_SUNXI_UART1 1450 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1451 default 0xf6200000 if DEBUG_PXA_UART1 1452 default 0xf4090000 if ARCH_LPC32XX 1453 default 0xf4200000 if ARCH_GEMINI 1454 default 0xf7000000 if DEBUG_SUN9I_UART0 1455 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1456 DEBUG_S3C2410_UART0) 1457 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1458 DEBUG_S3C2410_UART1) 1459 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1460 DEBUG_S3C2410_UART2) 1461 default 0xf7fc9000 if DEBUG_BERLIN_UART 1462 default 0xf8007000 if DEBUG_HIP04_UART 1463 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1464 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1465 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1466 default 0xfb002000 if DEBUG_CNS3XXX 1467 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1468 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1469 default 0xfc40ab00 if DEBUG_BRCMSTB_UART 1470 default 0xfcfe8600 if DEBUG_UART_BCM63XX 1471 default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX 1472 default 0xfd000000 if ARCH_SPEAR13XX 1473 default 0xfd012000 if ARCH_MV78XX0 1474 default 0xfd883000 if DEBUG_ALPINE_UART0 1475 default 0xfde12000 if ARCH_DOVE 1476 default 0xfe012000 if ARCH_ORION5X 1477 default 0xf31004c0 if DEBUG_MESON_UARTAO 1478 default 0xfe017000 if DEBUG_MMP_UART2 1479 default 0xfe018000 if DEBUG_MMP_UART3 1480 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1481 default 0xfe230000 if DEBUG_PICOXCELL_UART 1482 default 0xfe300000 if DEBUG_BCM_KONA_UART 1483 default 0xfe800000 if ARCH_IOP32X 1484 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1485 default 0xfeb24000 if DEBUG_RK3X_UART0 1486 default 0xfeb26000 if DEBUG_RK3X_UART1 1487 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1488 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1489 default 0xfec02000 if DEBUG_SOCFPGA_UART 1490 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE 1491 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1492 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1493 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1494 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1495 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1496 default 0xfec90000 if DEBUG_RK32_UART2 1497 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1498 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1499 default 0xfed60000 if DEBUG_RK29_UART0 1500 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1501 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1502 default 0xfedc0000 if ARCH_EP93XX 1503 default 0xfee003f8 if FOOTBRIDGE 1504 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1505 default 0xfee82340 if ARCH_IOP13XX 1506 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1507 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1508 default 0xfef36000 if DEBUG_HIGHBANK_UART 1509 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1510 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1511 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1512 default 0xfefff700 if ARCH_IOP33X 1513 default 0xff003000 if DEBUG_U300_UART 1514 default 0xffd01000 if DEBUG_HIP01_UART 1515 default DEBUG_UART_PHYS if !MMU 1516 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1517 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1518 DEBUG_NETX_UART || \ 1519 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1520 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \ 1521 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 1522 1523config DEBUG_UART_8250_SHIFT 1524 int "Register offset shift for the 8250 debug UART" 1525 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1526 default 0 if FOOTBRIDGE || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1527 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3 1528 default 2 1529 1530config DEBUG_UART_8250_WORD 1531 bool "Use 32-bit accesses for 8250 UART" 1532 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1533 depends on DEBUG_UART_8250_SHIFT >= 2 1534 default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \ 1535 ARCH_KEYSTONE || DEBUG_ALPINE_UART0 || \ 1536 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1537 DEBUG_DAVINCI_DA8XX_UART2 || \ 1538 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \ 1539 DEBUG_BRCMSTB_UART 1540 1541config DEBUG_UART_8250_FLOW_CONTROL 1542 bool "Enable flow control for 8250 UART" 1543 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1544 default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC 1545 1546config DEBUG_UNCOMPRESS 1547 bool 1548 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG 1549 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1550 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) 1551 help 1552 This option influences the normal decompressor output for 1553 multiplatform kernels. Normally, multiplatform kernels disable 1554 decompressor output because it is not possible to know where to 1555 send the decompressor output. 1556 1557 When this option is set, the selected DEBUG_LL output method 1558 will be re-used for normal decompressor output on multiplatform 1559 kernels. 1560 1561 1562config UNCOMPRESS_INCLUDE 1563 string 1564 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1565 PLAT_SAMSUNG || ARCH_EFM32 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