1# SPDX-License-Identifier: GPL-2.0 2menu "Kernel hacking" 3 4source "lib/Kconfig.debug" 5 6config ARM_PTDUMP 7 bool "Export kernel pagetable layout to userspace via debugfs" 8 depends on DEBUG_KERNEL 9 depends on MMU 10 select DEBUG_FS 11 ---help--- 12 Say Y here if you want to show the kernel pagetable layout in a 13 debugfs file. This information is only useful for kernel developers 14 who are working in architecture specific areas of the kernel. 15 It is probably not a good idea to enable this feature in a production 16 kernel. 17 If in doubt, say "N" 18 19# RMK wants arm kernels compiled with frame pointers or stack unwinding. 20# If you know what you are doing and are willing to live without stack 21# traces, you can get a slightly smaller kernel by setting this option to 22# n, but then RMK will have to kill you ;). 23config FRAME_POINTER 24 bool 25 depends on !THUMB2_KERNEL 26 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER 27 help 28 If you say N here, the resulting kernel will be slightly smaller and 29 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, 30 when a problem occurs with the kernel, the information that is 31 reported is severely limited. 32 33config ARM_UNWIND 34 bool "Enable stack unwinding support (EXPERIMENTAL)" 35 depends on AEABI 36 default y 37 help 38 This option enables stack unwinding support in the kernel 39 using the information automatically generated by the 40 compiler. The resulting kernel image is slightly bigger but 41 the performance is not affected. Currently, this feature 42 only works with EABI compilers. If unsure say Y. 43 44config OLD_MCOUNT 45 bool 46 depends on FUNCTION_TRACER && FRAME_POINTER 47 default y 48 49config DEBUG_USER 50 bool "Verbose user fault messages" 51 help 52 When a user program crashes due to an exception, the kernel can 53 print a brief message explaining what the problem was. This is 54 sometimes helpful for debugging but serves no purpose on a 55 production system. Most people should say N here. 56 57 In addition, you need to pass user_debug=N on the kernel command 58 line to enable this feature. N consists of the sum of: 59 60 1 - undefined instruction events 61 2 - system calls 62 4 - invalid data aborts 63 8 - SIGSEGV faults 64 16 - SIGBUS faults 65 66# These options are only for real kernel hackers who want to get their hands dirty. 67config DEBUG_LL 68 bool "Kernel low-level debugging functions (read help!)" 69 depends on DEBUG_KERNEL 70 help 71 Say Y here to include definitions of printascii, printch, printhex 72 in the kernel. This is helpful if you are debugging code that 73 executes before the console is initialized. 74 75 Note that selecting this option will limit the kernel to a single 76 UART definition, as specified below. Attempting to boot the kernel 77 image on a different platform *will not work*, so this option should 78 not be enabled for kernels that are intended to be portable. 79 80choice 81 prompt "Kernel low-level debugging port" 82 depends on DEBUG_LL 83 84 config DEBUG_ALPINE_UART0 85 bool "Kernel low-level debugging messages via Alpine UART0" 86 depends on ARCH_ALPINE 87 select DEBUG_UART_8250 88 help 89 Say Y here if you want kernel low-level debugging support 90 on Alpine based platforms. 91 92 config DEBUG_ASM9260_UART 93 bool "Kernel low-level debugging via asm9260 UART" 94 depends on MACH_ASM9260 95 help 96 Say Y here if you want the debug print routines to direct 97 their output to an UART or USART port on asm9260 based 98 machines. 99 100 DEBUG_UART_PHYS | DEBUG_UART_VIRT 101 102 0x80000000 | 0xf0000000 | UART0 103 0x80004000 | 0xf0004000 | UART1 104 0x80008000 | 0xf0008000 | UART2 105 0x8000c000 | 0xf000c000 | UART3 106 0x80010000 | 0xf0010000 | UART4 107 0x80014000 | 0xf0014000 | UART5 108 0x80018000 | 0xf0018000 | UART6 109 0x8001c000 | 0xf001c000 | UART7 110 0x80020000 | 0xf0020000 | UART8 111 0x80024000 | 0xf0024000 | UART9 112 113 config DEBUG_AT91_RM9200_DBGU 114 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" 115 select DEBUG_AT91_UART 116 depends on SOC_AT91RM9200 || SOC_AT91SAM9 117 help 118 Say Y here if you want kernel low-level debugging support 119 on the DBGU port of: 120 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 121 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 122 123 config DEBUG_AT91_SAM9263_DBGU 124 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 125 select DEBUG_AT91_UART 126 depends on SOC_AT91SAM9 || SOC_SAMA5D3 127 help 128 Say Y here if you want kernel low-level debugging support 129 on the DBGU port of: 130 at91sam9263, at91sam9g45, at91sam9m10, 131 sama5d3 132 133 config DEBUG_AT91_SAMA5D2_UART1 134 bool "Kernel low-level debugging on SAMA5D2 UART1" 135 select DEBUG_AT91_UART 136 depends on SOC_SAMA5D2 137 help 138 Say Y here if you want kernel low-level debugging support 139 on the UART1 port of sama5d2. 140 141 config DEBUG_AT91_SAMA5D4_USART3 142 bool "Kernel low-level debugging on SAMA5D4 USART3" 143 select DEBUG_AT91_UART 144 depends on SOC_SAMA5D4 145 help 146 Say Y here if you want kernel low-level debugging support 147 on the USART3 port of sama5d4. 148 149 config DEBUG_AT91_SAMV7_USART1 150 bool "Kernel low-level debugging via SAMV7 USART1" 151 select DEBUG_AT91_UART 152 depends on SOC_SAMV7 153 help 154 Say Y here if you want the debug print routines to direct 155 their output to the USART1 port on SAMV7 based 156 machines. 157 158 config DEBUG_BCM2835 159 bool "Kernel low-level debugging on BCM2835 PL011 UART" 160 depends on ARCH_BCM2835 && ARCH_MULTI_V6 161 select DEBUG_UART_PL01X 162 163 config DEBUG_BCM2836 164 bool "Kernel low-level debugging on BCM2836 PL011 UART" 165 depends on ARCH_BCM2835 && ARCH_MULTI_V7 166 select DEBUG_UART_PL01X 167 168 config DEBUG_BCM_5301X 169 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 170 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 171 select DEBUG_UART_8250 172 173 config DEBUG_BCM_KONA_UART 174 bool "Kernel low-level debugging messages via BCM KONA UART" 175 depends on ARCH_BCM_MOBILE 176 select DEBUG_UART_8250 177 help 178 Say Y here if you want kernel low-level debugging support 179 on Broadcom SoC platforms. 180 This low level debug works for Broadcom 181 mobile SoCs in the Kona family of chips (e.g. bcm28155, 182 bcm11351, etc...) 183 184 config DEBUG_BCM63XX_UART 185 bool "Kernel low-level debugging on BCM63XX UART" 186 depends on ARCH_BCM_63XX 187 188 config DEBUG_BERLIN_UART 189 bool "Marvell Berlin SoC Debug UART" 190 depends on ARCH_BERLIN 191 select DEBUG_UART_8250 192 help 193 Say Y here if you want kernel low-level debugging support 194 on Marvell Berlin SoC based platforms. 195 196 config DEBUG_BRCMSTB_UART 197 bool "Use BRCMSTB UART for low-level debug" 198 depends on ARCH_BRCMSTB 199 help 200 Say Y here if you want the debug print routines to direct 201 their output to the first serial port on these devices. The 202 UART physical and virtual address is automatically provided 203 based on the chip identification register value. 204 205 If you have a Broadcom STB chip and would like early print 206 messages to appear over the UART, select this option. 207 208 config DEBUG_CLPS711X_UART1 209 bool "Kernel low-level debugging messages via UART1" 210 depends on ARCH_CLPS711X 211 help 212 Say Y here if you want the debug print routines to direct 213 their output to the first serial port on these devices. 214 215 config DEBUG_CLPS711X_UART2 216 bool "Kernel low-level debugging messages via UART2" 217 depends on ARCH_CLPS711X 218 help 219 Say Y here if you want the debug print routines to direct 220 their output to the second serial port on these devices. 221 222 config DEBUG_CNS3XXX 223 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 224 depends on ARCH_CNS3XXX 225 select DEBUG_UART_8250 226 help 227 Say Y here if you want the debug print routines to direct 228 their output to the CNS3xxx UART0. 229 230 config DEBUG_DAVINCI_DA8XX_UART1 231 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 232 depends on ARCH_DAVINCI_DA8XX 233 select DEBUG_UART_8250 234 help 235 Say Y here if you want the debug print routines to direct 236 their output to UART1 serial port on DaVinci DA8XX devices. 237 238 config DEBUG_DAVINCI_DA8XX_UART2 239 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 240 depends on ARCH_DAVINCI_DA8XX 241 select DEBUG_UART_8250 242 help 243 Say Y here if you want the debug print routines to direct 244 their output to UART2 serial port on DaVinci DA8XX devices. 245 246 config DEBUG_DAVINCI_DMx_UART0 247 bool "Kernel low-level debugging on DaVinci DMx using UART0" 248 depends on ARCH_DAVINCI_DMx 249 select DEBUG_UART_8250 250 help 251 Say Y here if you want the debug print routines to direct 252 their output to UART0 serial port on DaVinci DMx devices. 253 254 config DEBUG_DC21285_PORT 255 bool "Kernel low-level debugging messages via footbridge serial port" 256 depends on FOOTBRIDGE 257 help 258 Say Y here if you want the debug print routines to direct 259 their output to the serial port in the DC21285 (Footbridge). 260 261 config DEBUG_DIGICOLOR_UA0 262 bool "Kernel low-level debugging messages via Digicolor UA0" 263 depends on ARCH_DIGICOLOR 264 help 265 Say Y here if you want the debug print routines to direct 266 their output to the UA0 serial port in the CX92755. 267 268 config DEBUG_EP93XX 269 bool "Kernel low-level debugging messages via ep93xx UART" 270 depends on ARCH_EP93XX 271 select DEBUG_UART_PL01X 272 help 273 Say Y here if you want kernel low-level debugging support 274 on Cirrus Logic EP93xx based platforms. 275 276 config DEBUG_FOOTBRIDGE_COM1 277 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 278 depends on FOOTBRIDGE 279 select DEBUG_UART_8250 280 help 281 Say Y here if you want the debug print routines to direct 282 their output to the 8250 at PCI COM1. 283 284 config DEBUG_GEMINI 285 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 286 depends on ARCH_GEMINI 287 select DEBUG_UART_8250 288 help 289 Say Y here if you want kernel low-level debugging support 290 on Cortina Gemini based platforms. 291 292 config DEBUG_HI3620_UART 293 bool "Hisilicon HI3620 Debug UART" 294 depends on ARCH_HI3xxx 295 select DEBUG_UART_PL01X 296 help 297 Say Y here if you want kernel low-level debugging support 298 on HI3620 UART. 299 300 config DEBUG_HIGHBANK_UART 301 bool "Kernel low-level debugging messages via Highbank UART" 302 depends on ARCH_HIGHBANK 303 select DEBUG_UART_PL01X 304 help 305 Say Y here if you want the debug print routines to direct 306 their output to the UART on Highbank based devices. 307 308 config DEBUG_HIP01_UART 309 bool "Hisilicon Hip01 Debug UART" 310 depends on ARCH_HIP01 311 select DEBUG_UART_8250 312 help 313 Say Y here if you want kernel low-level debugging support 314 on HIP01 UART. 315 316 config DEBUG_HIP04_UART 317 bool "Hisilicon HiP04 Debug UART" 318 depends on ARCH_HIP04 319 select DEBUG_UART_8250 320 help 321 Say Y here if you want kernel low-level debugging support 322 on HIP04 UART. 323 324 config DEBUG_HIX5HD2_UART 325 bool "Hisilicon Hix5hd2 Debug UART" 326 depends on ARCH_HIX5HD2 327 select DEBUG_UART_PL01X 328 help 329 Say Y here if you want kernel low-level debugging support 330 on Hix5hd2 UART. 331 332 config DEBUG_IMX1_UART 333 bool "i.MX1 Debug UART" 334 depends on SOC_IMX1 335 help 336 Say Y here if you want kernel low-level debugging support 337 on i.MX1. 338 339 config DEBUG_IMX23_UART 340 bool "i.MX23 Debug UART" 341 depends on SOC_IMX23 342 select DEBUG_UART_PL01X 343 help 344 Say Y here if you want kernel low-level debugging support 345 on i.MX23. 346 347 config DEBUG_IMX25_UART 348 bool "i.MX25 Debug UART" 349 depends on SOC_IMX25 350 help 351 Say Y here if you want kernel low-level debugging support 352 on i.MX25. 353 354 config DEBUG_IMX21_IMX27_UART 355 bool "i.MX21 and i.MX27 Debug UART" 356 depends on SOC_IMX21 || SOC_IMX27 357 help 358 Say Y here if you want kernel low-level debugging support 359 on i.MX21 or i.MX27. 360 361 config DEBUG_IMX28_UART 362 bool "i.MX28 Debug UART" 363 depends on SOC_IMX28 364 select DEBUG_UART_PL01X 365 help 366 Say Y here if you want kernel low-level debugging support 367 on i.MX28. 368 369 config DEBUG_IMX31_UART 370 bool "i.MX31 Debug UART" 371 depends on SOC_IMX31 372 help 373 Say Y here if you want kernel low-level debugging support 374 on i.MX31. 375 376 config DEBUG_IMX35_UART 377 bool "i.MX35 Debug UART" 378 depends on SOC_IMX35 379 help 380 Say Y here if you want kernel low-level debugging support 381 on i.MX35. 382 383 config DEBUG_IMX50_UART 384 bool "i.MX50 Debug UART" 385 depends on SOC_IMX50 386 help 387 Say Y here if you want kernel low-level debugging support 388 on i.MX50. 389 390 config DEBUG_IMX51_UART 391 bool "i.MX51 Debug UART" 392 depends on SOC_IMX51 393 help 394 Say Y here if you want kernel low-level debugging support 395 on i.MX51. 396 397 config DEBUG_IMX53_UART 398 bool "i.MX53 Debug UART" 399 depends on SOC_IMX53 400 help 401 Say Y here if you want kernel low-level debugging support 402 on i.MX53. 403 404 config DEBUG_IMX6Q_UART 405 bool "i.MX6Q/DL Debug UART" 406 depends on SOC_IMX6Q 407 help 408 Say Y here if you want kernel low-level debugging support 409 on i.MX6Q/DL. 410 411 config DEBUG_IMX6SL_UART 412 bool "i.MX6SL Debug UART" 413 depends on SOC_IMX6SL 414 help 415 Say Y here if you want kernel low-level debugging support 416 on i.MX6SL. 417 418 config DEBUG_IMX6SX_UART 419 bool "i.MX6SX Debug UART" 420 depends on SOC_IMX6SX 421 help 422 Say Y here if you want kernel low-level debugging support 423 on i.MX6SX. 424 425 config DEBUG_IMX6UL_UART 426 bool "i.MX6UL Debug UART" 427 depends on SOC_IMX6UL 428 help 429 Say Y here if you want kernel low-level debugging support 430 on i.MX6UL. 431 432 config DEBUG_IMX7D_UART 433 bool "i.MX7D Debug UART" 434 depends on SOC_IMX7D 435 help 436 Say Y here if you want kernel low-level debugging support 437 on i.MX7D. 438 439 config DEBUG_INTEGRATOR 440 bool "Kernel low-level debugging messages via ARM Integrator UART" 441 depends on ARCH_INTEGRATOR 442 select DEBUG_UART_PL01X 443 help 444 Say Y here if you want kernel low-level debugging support 445 on ARM Integrator platforms. 446 447 config DEBUG_KEYSTONE_UART0 448 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 449 depends on ARCH_KEYSTONE 450 select DEBUG_UART_8250 451 help 452 Say Y here if you want the debug print routines to direct 453 their output to UART0 serial port on KEYSTONE2 devices. 454 455 config DEBUG_KEYSTONE_UART1 456 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 457 depends on ARCH_KEYSTONE 458 select DEBUG_UART_8250 459 help 460 Say Y here if you want the debug print routines to direct 461 their output to UART1 serial port on KEYSTONE2 devices. 462 463 config DEBUG_KS8695_UART 464 bool "KS8695 Debug UART" 465 depends on ARCH_KS8695 466 help 467 Say Y here if you want kernel low-level debugging support 468 on KS8695. 469 470 config DEBUG_LPC18XX_UART0 471 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 472 depends on ARCH_LPC18XX 473 select DEBUG_UART_8250 474 help 475 Say Y here if you want kernel low-level debugging support 476 on NXP LPC18xx/43xx UART0. 477 478 config DEBUG_LPC32XX 479 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 480 depends on ARCH_LPC32XX 481 select DEBUG_UART_8250 482 help 483 Say Y here if you want kernel low-level debugging support 484 on NXP LPC32xx based platforms. 485 486 config DEBUG_MESON_UARTAO 487 bool "Kernel low-level debugging via Meson6 UARTAO" 488 depends on ARCH_MESON 489 help 490 Say Y here if you want kernel low-lever debugging support 491 on Amlogic Meson6 based platforms on the UARTAO. 492 493 config DEBUG_MMP_UART2 494 bool "Kernel low-level debugging message via MMP UART2" 495 depends on ARCH_MMP 496 select DEBUG_UART_8250 497 help 498 Say Y here if you want kernel low-level debugging support 499 on MMP UART2. 500 501 config DEBUG_MMP_UART3 502 bool "Kernel low-level debugging message via MMP UART3" 503 depends on ARCH_MMP 504 select DEBUG_UART_8250 505 help 506 Say Y here if you want kernel low-level debugging support 507 on MMP UART3. 508 509 config DEBUG_MVEBU_UART0 510 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 511 depends on ARCH_MVEBU 512 depends on ARCH_MVEBU && CPU_V7 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 UART0. 517 518 This option should be used with the old bootloaders 519 that left the internal registers mapped at 520 0xd0000000. As of today, this is the case on 521 platforms such as the Globalscale Mirabox or the 522 Plathome OpenBlocks AX3, when using the original 523 bootloader. 524 525 This option will not work on older Marvell platforms 526 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 527 the "new bootloader" variant. 528 529 If the wrong DEBUG_MVEBU_UART* option is selected, 530 when u-boot hands over to the kernel, the system 531 silently crashes, with no serial output at all. 532 533 config DEBUG_MVEBU_UART0_ALTERNATE 534 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 535 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 536 select DEBUG_UART_8250 537 help 538 Say Y here if you want kernel low-level debugging support 539 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 540 Kirkwood, Dove, MV78xx0, Orion5x). 541 542 543 This option should be used with the new bootloaders 544 that remap the internal registers at 0xf1000000. 545 546 If the wrong DEBUG_MVEBU_UART* option is selected, 547 when u-boot hands over to the kernel, the system 548 silently crashes, with no serial output at all. 549 550 config DEBUG_MVEBU_UART1_ALTERNATE 551 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 552 depends on ARCH_MVEBU 553 select DEBUG_UART_8250 554 help 555 Say Y here if you want kernel low-level debugging support 556 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 557 Kirkwood, Dove, MV78xx0, Orion5x). 558 559 This option should be used with the new bootloaders 560 that remap the internal registers at 0xf1000000. 561 All of the older (pre Armada XP/370) platforms also use 562 this address, regardless of the boot loader version. 563 564 If the wrong DEBUG_MVEBU_UART* option is selected, 565 when u-boot hands over to the kernel, the system 566 silently crashes, with no serial output at all. 567 568 config DEBUG_MT6589_UART0 569 bool "Mediatek mt6589 UART0" 570 depends on ARCH_MEDIATEK 571 select DEBUG_UART_8250 572 help 573 Say Y here if you want kernel low-level debugging support 574 for Mediatek mt6589 based platforms on UART0. 575 576 config DEBUG_MT8127_UART0 577 bool "Mediatek mt8127/mt6592 UART0" 578 depends on ARCH_MEDIATEK 579 select DEBUG_UART_8250 580 help 581 Say Y here if you want kernel low-level debugging support 582 for Mediatek mt8127 based platforms on UART0. 583 584 config DEBUG_MT8135_UART3 585 bool "Mediatek mt8135 UART3" 586 depends on ARCH_MEDIATEK 587 select DEBUG_UART_8250 588 help 589 Say Y here if you want kernel low-level debugging support 590 for Mediatek mt8135 based platforms on UART3. 591 592 config DEBUG_NETX_UART 593 bool "Kernel low-level debugging messages via NetX UART" 594 depends on ARCH_NETX 595 help 596 Say Y here if you want kernel low-level debugging support 597 on Hilscher NetX based platforms. 598 599 config DEBUG_NOMADIK_UART 600 bool "Kernel low-level debugging messages via NOMADIK UART" 601 depends on ARCH_NOMADIK 602 select DEBUG_UART_PL01X 603 help 604 Say Y here if you want kernel low-level debugging support 605 on NOMADIK based platforms. 606 607 config DEBUG_NSPIRE_CLASSIC_UART 608 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 609 depends on ARCH_NSPIRE 610 select DEBUG_UART_8250 611 help 612 Say Y here if you want kernel low-level debugging support 613 on TI-NSPIRE classic models. 614 615 config DEBUG_NSPIRE_CX_UART 616 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 617 depends on ARCH_NSPIRE 618 select DEBUG_UART_PL01X 619 help 620 Say Y here if you want kernel low-level debugging support 621 on TI-NSPIRE CX models. 622 623 config DEBUG_OMAP1UART1 624 bool "Kernel low-level debugging via OMAP1 UART1" 625 depends on ARCH_OMAP1 626 select DEBUG_UART_8250 627 help 628 Say Y here if you want kernel low-level debugging support 629 on OMAP1 based platforms (except OMAP730) on the UART1. 630 631 config DEBUG_OMAP1UART2 632 bool "Kernel low-level debugging via OMAP1 UART2" 633 depends on ARCH_OMAP1 634 select DEBUG_UART_8250 635 help 636 Say Y here if you want kernel low-level debugging support 637 on OMAP1 based platforms (except OMAP730) on the UART2. 638 639 config DEBUG_OMAP1UART3 640 bool "Kernel low-level debugging via OMAP1 UART3" 641 depends on ARCH_OMAP1 642 select DEBUG_UART_8250 643 help 644 Say Y here if you want kernel low-level debugging support 645 on OMAP1 based platforms (except OMAP730) on the UART3. 646 647 config DEBUG_OMAP2UART1 648 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 649 depends on ARCH_OMAP2PLUS 650 select DEBUG_UART_8250 651 help 652 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 653 omap3 torpedo and 3530 lv som. 654 655 config DEBUG_OMAP2UART2 656 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 657 depends on ARCH_OMAP2PLUS 658 select DEBUG_UART_8250 659 660 config DEBUG_OMAP2UART3 661 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 662 depends on ARCH_OMAP2PLUS 663 select DEBUG_UART_8250 664 665 config DEBUG_OMAP3UART3 666 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 667 depends on ARCH_OMAP2PLUS 668 select DEBUG_UART_8250 669 help 670 This covers at least cm_t3x, beagle, crane, devkit8000, 671 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 672 and 3517evm. 673 674 config DEBUG_OMAP4UART3 675 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 676 depends on ARCH_OMAP2PLUS 677 select DEBUG_UART_8250 678 679 config DEBUG_OMAP3UART4 680 bool "Kernel low-level debugging messages via OMAP36XX UART4" 681 depends on ARCH_OMAP2PLUS 682 select DEBUG_UART_8250 683 684 config DEBUG_OMAP4UART4 685 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 686 depends on ARCH_OMAP2PLUS 687 select DEBUG_UART_8250 688 689 config DEBUG_OMAP7XXUART1 690 bool "Kernel low-level debugging via OMAP730 UART1" 691 depends on ARCH_OMAP730 692 select DEBUG_UART_8250 693 help 694 Say Y here if you want kernel low-level debugging support 695 on OMAP730 based platforms on the UART1. 696 697 config DEBUG_OMAP7XXUART2 698 bool "Kernel low-level debugging via OMAP730 UART2" 699 depends on ARCH_OMAP730 700 select DEBUG_UART_8250 701 help 702 Say Y here if you want kernel low-level debugging support 703 on OMAP730 based platforms on the UART2. 704 705 config DEBUG_OMAP7XXUART3 706 bool "Kernel low-level debugging via OMAP730 UART3" 707 depends on ARCH_OMAP730 708 select DEBUG_UART_8250 709 help 710 Say Y here if you want kernel low-level debugging support 711 on OMAP730 based platforms on the UART3. 712 713 config DEBUG_TI81XXUART1 714 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 715 depends on ARCH_OMAP2PLUS 716 select DEBUG_UART_8250 717 718 config DEBUG_TI81XXUART2 719 bool "Kernel low-level debugging messages via TI81XX UART2" 720 depends on ARCH_OMAP2PLUS 721 select DEBUG_UART_8250 722 723 config DEBUG_TI81XXUART3 724 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 725 depends on ARCH_OMAP2PLUS 726 select DEBUG_UART_8250 727 728 config DEBUG_AM33XXUART1 729 bool "Kernel low-level debugging messages via AM33XX UART1" 730 depends on ARCH_OMAP2PLUS 731 select DEBUG_UART_8250 732 733 config DEBUG_ZOOM_UART 734 bool "Kernel low-level debugging messages via Zoom2/3 UART" 735 depends on ARCH_OMAP2PLUS 736 select DEBUG_OMAP2PLUS_UART 737 738 config DEBUG_PICOXCELL_UART 739 depends on ARCH_PICOXCELL 740 bool "Use PicoXcell UART for low-level debug" 741 select DEBUG_UART_8250 742 help 743 Say Y here if you want kernel low-level debugging support 744 on PicoXcell based platforms. 745 746 config DEBUG_PXA_UART1 747 depends on ARCH_PXA 748 bool "Use PXA UART1 for low-level debug" 749 select DEBUG_UART_8250 750 help 751 Say Y here if you want kernel low-level debugging support 752 on PXA UART1. 753 754 config DEBUG_QCOM_UARTDM 755 bool "Kernel low-level debugging messages via QCOM UARTDM" 756 depends on ARCH_QCOM 757 help 758 Say Y here if you want the debug print routines to direct 759 their output to the serial port on Qualcomm devices. 760 761 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 762 APQ8064 0x16640000 0xf0040000 763 APQ8084 0xf995e000 0xfa75e000 764 IPQ4019 0x078af000 0xf78af000 765 MSM8X60 0x19c40000 0xf0040000 766 MSM8960 0x16440000 0xf0040000 767 MSM8974 0xf991e000 0xfa71e000 768 769 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 770 options based on your needs. 771 772 config DEBUG_REALVIEW_STD_PORT 773 bool "RealView Default UART" 774 depends on ARCH_REALVIEW 775 select DEBUG_UART_PL01X 776 help 777 Say Y here if you want the debug print routines to direct 778 their output to the serial port on RealView EB, PB11MP, PBA8 779 and PBX platforms. 780 781 config DEBUG_REALVIEW_PB1176_PORT 782 bool "RealView PB1176 UART" 783 depends on MACH_REALVIEW_PB1176 784 select DEBUG_UART_PL01X 785 help 786 Say Y here if you want the debug print routines to direct 787 their output to the standard serial port on the RealView 788 PB1176 platform. 789 790 config DEBUG_RV1108_UART0 791 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 792 depends on ARCH_ROCKCHIP 793 select DEBUG_UART_8250 794 help 795 Say Y here if you want kernel low-level debugging support 796 on Rockchip RV1108 based platforms. 797 798 config DEBUG_RV1108_UART1 799 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 800 depends on ARCH_ROCKCHIP 801 select DEBUG_UART_8250 802 help 803 Say Y here if you want kernel low-level debugging support 804 on Rockchip RV1108 based platforms. 805 806 config DEBUG_RV1108_UART2 807 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 808 depends on ARCH_ROCKCHIP 809 select DEBUG_UART_8250 810 help 811 Say Y here if you want kernel low-level debugging support 812 on Rockchip RV1108 based platforms. 813 814 config DEBUG_RK29_UART0 815 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 816 depends on ARCH_ROCKCHIP 817 select DEBUG_UART_8250 818 help 819 Say Y here if you want kernel low-level debugging support 820 on Rockchip based platforms. 821 822 config DEBUG_RK29_UART1 823 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 824 depends on ARCH_ROCKCHIP 825 select DEBUG_UART_8250 826 help 827 Say Y here if you want kernel low-level debugging support 828 on Rockchip based platforms. 829 830 config DEBUG_RK29_UART2 831 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 832 depends on ARCH_ROCKCHIP 833 select DEBUG_UART_8250 834 help 835 Say Y here if you want kernel low-level debugging support 836 on Rockchip based platforms. 837 838 config DEBUG_RK3X_UART0 839 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 840 depends on ARCH_ROCKCHIP 841 select DEBUG_UART_8250 842 help 843 Say Y here if you want kernel low-level debugging support 844 on Rockchip based platforms. 845 846 config DEBUG_RK3X_UART1 847 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 848 depends on ARCH_ROCKCHIP 849 select DEBUG_UART_8250 850 help 851 Say Y here if you want kernel low-level debugging support 852 on Rockchip based platforms. 853 854 config DEBUG_RK3X_UART2 855 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 856 depends on ARCH_ROCKCHIP 857 select DEBUG_UART_8250 858 help 859 Say Y here if you want kernel low-level debugging support 860 on Rockchip based platforms. 861 862 config DEBUG_RK3X_UART3 863 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 864 depends on ARCH_ROCKCHIP 865 select DEBUG_UART_8250 866 help 867 Say Y here if you want kernel low-level debugging support 868 on Rockchip based platforms. 869 870 config DEBUG_RK32_UART2 871 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 872 depends on ARCH_ROCKCHIP 873 select DEBUG_UART_8250 874 help 875 Say Y here if you want kernel low-level debugging support 876 on Rockchip RK32xx based platforms. 877 878 config DEBUG_R7S72100_SCIF2 879 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 880 depends on ARCH_R7S72100 881 help 882 Say Y here if you want kernel low-level debugging support 883 via SCIF2 on Renesas RZ/A1H (R7S72100). 884 885 config DEBUG_RCAR_GEN1_SCIF0 886 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 887 depends on ARCH_R8A7778 888 help 889 Say Y here if you want kernel low-level debugging support 890 via SCIF0 on Renesas R-Car M1A (R8A7778). 891 892 config DEBUG_RCAR_GEN1_SCIF2 893 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 894 depends on ARCH_R8A7779 895 help 896 Say Y here if you want kernel low-level debugging support 897 via SCIF2 on Renesas R-Car H1 (R8A7779). 898 899 config DEBUG_RCAR_GEN2_SCIF0 900 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 901 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 902 ARCH_R8A7792 || ARCH_R8A7793 903 help 904 Say Y here if you want kernel low-level debugging support 905 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 906 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 907 908 config DEBUG_RCAR_GEN2_SCIF2 909 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 910 depends on ARCH_R8A7794 911 help 912 Say Y here if you want kernel low-level debugging support 913 via SCIF2 on Renesas R-Car E2 (R8A7794). 914 915 config DEBUG_RMOBILE_SCIFA0 916 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 917 depends on ARCH_R8A73A4 918 help 919 Say Y here if you want kernel low-level debugging support 920 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 921 922 config DEBUG_RMOBILE_SCIFA1 923 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 924 depends on ARCH_R8A7740 925 help 926 Say Y here if you want kernel low-level debugging support 927 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 928 929 config DEBUG_RMOBILE_SCIFA4 930 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 931 depends on ARCH_SH73A0 932 help 933 Say Y here if you want kernel low-level debugging support 934 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 935 936 config DEBUG_S3C_UART0 937 depends on PLAT_SAMSUNG 938 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 939 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 940 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 941 select DEBUG_S5PV210_UART if ARCH_S5PV210 942 bool "Use Samsung S3C UART 0 for low-level debug" 943 help 944 Say Y here if you want the debug print routines to direct 945 their output to UART 0. The port must have been initialised 946 by the boot-loader before use. 947 948 config DEBUG_S3C_UART1 949 depends on PLAT_SAMSUNG 950 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 951 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 952 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 953 select DEBUG_S5PV210_UART if ARCH_S5PV210 954 bool "Use Samsung S3C UART 1 for low-level debug" 955 help 956 Say Y here if you want the debug print routines to direct 957 their output to UART 1. The port must have been initialised 958 by the boot-loader before use. 959 960 config DEBUG_S3C_UART2 961 depends on PLAT_SAMSUNG 962 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 963 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 964 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 965 select DEBUG_S5PV210_UART if ARCH_S5PV210 966 bool "Use Samsung S3C UART 2 for low-level debug" 967 help 968 Say Y here if you want the debug print routines to direct 969 their output to UART 2. The port must have been initialised 970 by the boot-loader before use. 971 972 config DEBUG_S3C_UART3 973 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 974 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 975 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 976 select DEBUG_S5PV210_UART if ARCH_S5PV210 977 bool "Use Samsung S3C UART 3 for low-level debug" 978 help 979 Say Y here if you want the debug print routines to direct 980 their output to UART 3. The port must have been initialised 981 by the boot-loader before use. 982 983 config DEBUG_S3C2410_UART0 984 depends on ARCH_S3C24XX 985 select DEBUG_S3C2410_UART 986 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 987 help 988 Say Y here if you want the debug print routines to direct 989 their output to UART 0. The port must have been initialised 990 by the boot-loader before use. 991 992 config DEBUG_S3C2410_UART1 993 depends on ARCH_S3C24XX 994 select DEBUG_S3C2410_UART 995 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 996 help 997 Say Y here if you want the debug print routines to direct 998 their output to UART 1. The port must have been initialised 999 by the boot-loader before use. 1000 1001 config DEBUG_S3C2410_UART2 1002 depends on ARCH_S3C24XX 1003 select DEBUG_S3C2410_UART 1004 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1005 help 1006 Say Y here if you want the debug print routines to direct 1007 their output to UART 2. The port must have been initialised 1008 by the boot-loader before use. 1009 1010 config DEBUG_SA1100 1011 depends on ARCH_SA1100 1012 bool "Use SA1100 UARTs for low-level debug" 1013 help 1014 Say Y here if you want kernel low-level debugging support 1015 on SA-11x0 UART ports. The kernel will check for the first 1016 enabled UART in a sequence 3-1-2. 1017 1018 config DEBUG_SOCFPGA_UART0 1019 depends on ARCH_SOCFPGA 1020 bool "Use SOCFPGA UART0 for low-level debug" 1021 select DEBUG_UART_8250 1022 help 1023 Say Y here if you want kernel low-level debugging support 1024 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1025 1026 config DEBUG_SOCFPGA_ARRIA10_UART1 1027 depends on ARCH_SOCFPGA 1028 bool "Use SOCFPGA Arria10 UART1 for low-level debug" 1029 select DEBUG_UART_8250 1030 help 1031 Say Y here if you want kernel low-level debugging support 1032 on SOCFPGA(Arria 10) based platforms. 1033 1034 config DEBUG_SOCFPGA_CYCLONE5_UART1 1035 depends on ARCH_SOCFPGA 1036 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" 1037 select DEBUG_UART_8250 1038 help 1039 Say Y here if you want kernel low-level debugging support 1040 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1041 1042 config DEBUG_SUN9I_UART0 1043 bool "Kernel low-level debugging messages via sun9i UART0" 1044 depends on MACH_SUN9I 1045 select DEBUG_UART_8250 1046 help 1047 Say Y here if you want kernel low-level debugging support 1048 on Allwinner A80 based platforms on the UART0. 1049 1050 config DEBUG_SUNXI_UART0 1051 bool "Kernel low-level debugging messages via sunXi UART0" 1052 depends on ARCH_SUNXI 1053 select DEBUG_UART_8250 1054 help 1055 Say Y here if you want kernel low-level debugging support 1056 on Allwinner A1X based platforms on the UART0. 1057 1058 config DEBUG_SUNXI_UART1 1059 bool "Kernel low-level debugging messages via sunXi UART1" 1060 depends on ARCH_SUNXI 1061 select DEBUG_UART_8250 1062 help 1063 Say Y here if you want kernel low-level debugging support 1064 on Allwinner A1X based platforms on the UART1. 1065 1066 config DEBUG_SUNXI_R_UART 1067 bool "Kernel low-level debugging messages via sunXi R_UART" 1068 depends on MACH_SUN6I || MACH_SUN8I 1069 select DEBUG_UART_8250 1070 help 1071 Say Y here if you want kernel low-level debugging support 1072 on Allwinner A31/A23 based platforms on the R_UART. 1073 1074 config DEBUG_SIRFPRIMA2_UART1 1075 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1076 depends on ARCH_PRIMA2 1077 select DEBUG_SIRFSOC_UART 1078 help 1079 Say Y here if you want the debug print routines to direct 1080 their output to the uart1 port on SiRFprimaII devices. 1081 1082 config DEBUG_SIRFATLAS7_UART0 1083 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1084 depends on ARCH_ATLAS7 1085 select DEBUG_SIRFSOC_UART 1086 help 1087 Say Y here if you want the debug print routines to direct 1088 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1089 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1090 debug port can be very useful. 1091 1092 config DEBUG_SIRFATLAS7_UART1 1093 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1094 depends on ARCH_ATLAS7 1095 select DEBUG_SIRFSOC_UART 1096 help 1097 Say Y here if you want the debug print routines to direct 1098 their output to the uart1 port on SiRFATLAS7 devices. 1099 1100 config DEBUG_SPEAR3XX 1101 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1102 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1103 select DEBUG_UART_PL01X 1104 help 1105 Say Y here if you want kernel low-level debugging support 1106 on ST SPEAr based platforms. 1107 1108 config DEBUG_SPEAR13XX 1109 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1110 depends on ARCH_SPEAR13XX 1111 select DEBUG_UART_PL01X 1112 help 1113 Say Y here if you want kernel low-level debugging support 1114 on ST SPEAr13xx based platforms. 1115 1116 config STIH41X_DEBUG_ASC2 1117 bool "Use StiH415/416 ASC2 UART for low-level debug" 1118 depends on ARCH_STI 1119 select DEBUG_STI_UART 1120 help 1121 Say Y here if you want kernel low-level debugging support 1122 on STiH415/416 based platforms like b2000, which has 1123 default UART wired up to ASC2. 1124 1125 If unsure, say N. 1126 1127 config STIH41X_DEBUG_SBC_ASC1 1128 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1129 depends on ARCH_STI 1130 select DEBUG_STI_UART 1131 help 1132 Say Y here if you want kernel low-level debugging support 1133 on STiH415/416 based platforms like b2020. which has 1134 default UART wired up to SBC ASC1. 1135 1136 If unsure, say N. 1137 1138 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1139 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1140 depends on ARCH_TEGRA 1141 select DEBUG_TEGRA_UART 1142 help 1143 Automatically determines which UART to use for low-level 1144 debug based on the ODMDATA value. This value is part of 1145 the BCT, and is written to the boot memory device using 1146 nvflash, or other flashing tool. When bits 19:18 are 3, 1147 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1148 are UART A/B/C/D/E. 1149 1150 config TEGRA_DEBUG_UARTA 1151 bool "Kernel low-level debugging messages via Tegra UART A" 1152 depends on ARCH_TEGRA 1153 select DEBUG_TEGRA_UART 1154 help 1155 Say Y here if you want kernel low-level debugging support 1156 on Tegra based platforms. 1157 1158 config TEGRA_DEBUG_UARTB 1159 bool "Kernel low-level debugging messages via Tegra UART B" 1160 depends on ARCH_TEGRA 1161 select DEBUG_TEGRA_UART 1162 help 1163 Say Y here if you want kernel low-level debugging support 1164 on Tegra based platforms. 1165 1166 config TEGRA_DEBUG_UARTC 1167 bool "Kernel low-level debugging messages via Tegra UART C" 1168 depends on ARCH_TEGRA 1169 select DEBUG_TEGRA_UART 1170 help 1171 Say Y here if you want kernel low-level debugging support 1172 on Tegra based platforms. 1173 1174 config TEGRA_DEBUG_UARTD 1175 bool "Kernel low-level debugging messages via Tegra UART D" 1176 depends on ARCH_TEGRA 1177 select DEBUG_TEGRA_UART 1178 help 1179 Say Y here if you want kernel low-level debugging support 1180 on Tegra based platforms. 1181 1182 config TEGRA_DEBUG_UARTE 1183 bool "Kernel low-level debugging messages via Tegra UART E" 1184 depends on ARCH_TEGRA 1185 select DEBUG_TEGRA_UART 1186 help 1187 Say Y here if you want kernel low-level debugging support 1188 on Tegra based platforms. 1189 1190 config DEBUG_U300_UART 1191 bool "Kernel low-level debugging messages via U300 UART0" 1192 depends on ARCH_U300 1193 select DEBUG_UART_PL01X 1194 help 1195 Say Y here if you want the debug print routines to direct 1196 their output to the uart port on U300 devices. 1197 1198 config DEBUG_UX500_UART 1199 depends on ARCH_U8500 1200 bool "Use Ux500 UART for low-level debug" 1201 help 1202 Say Y here if you want kernel low-level debugging support 1203 on Ux500 based platforms. 1204 1205 config DEBUG_VERSATILE 1206 bool "Kernel low-level debugging messages via ARM Versatile UART" 1207 depends on ARCH_VERSATILE 1208 select DEBUG_UART_PL01X 1209 help 1210 Say Y here if you want kernel low-level debugging support 1211 on ARM Versatile platforms. 1212 1213 config DEBUG_VEXPRESS_UART0_DETECT 1214 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1215 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1216 help 1217 This option enables a simple heuristic which tries to determine 1218 the motherboard's memory map variant (original or RS1) and then 1219 choose the relevant UART0 base address. 1220 1221 Note that this will only work with standard A-class core tiles, 1222 and may fail with non-standard SMM or custom software models. 1223 1224 config DEBUG_VEXPRESS_UART0_CA9 1225 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1226 depends on ARCH_VEXPRESS 1227 select DEBUG_UART_PL01X 1228 help 1229 This option selects UART0 at 0x10009000. Except for custom models, 1230 this applies only to the V2P-CA9 tile. 1231 1232 config DEBUG_VEXPRESS_UART0_RS1 1233 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1234 depends on ARCH_VEXPRESS 1235 select DEBUG_UART_PL01X 1236 help 1237 This option selects UART0 at 0x1c090000. This applies to most 1238 of the tiles using the RS1 memory map, including all new A-class 1239 core tiles, FPGA-based SMMs and software models. 1240 1241 config DEBUG_VEXPRESS_UART0_CRX 1242 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1243 depends on ARCH_VEXPRESS && !MMU 1244 select DEBUG_UART_PL01X 1245 help 1246 This option selects UART0 at 0xb0090000. This is appropriate for 1247 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1248 1249 config DEBUG_VF_UART 1250 bool "Vybrid UART" 1251 depends on SOC_VF610 1252 help 1253 Say Y here if you want kernel low-level debugging support 1254 on Vybrid based platforms. 1255 1256 config DEBUG_VT8500_UART0 1257 bool "Use UART0 on VIA/Wondermedia SoCs" 1258 depends on ARCH_VT8500 1259 help 1260 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1261 devices, including VT8500, WM8505, WM8650 and WM8850. 1262 1263 config DEBUG_ZTE_ZX 1264 bool "Use ZTE ZX UART" 1265 select DEBUG_UART_PL01X 1266 depends on ARCH_ZX 1267 help 1268 Say Y here if you are enabling ZTE ZX296702 SOC and need 1269 debug uart support. 1270 1271 This option is preferred over the platform specific 1272 options; the platform specific options are deprecated 1273 and will be soon removed. 1274 1275 config DEBUG_ZYNQ_UART0 1276 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1277 depends on ARCH_ZYNQ 1278 help 1279 Say Y here if you want the debug print routines to direct 1280 their output to UART0 on the Zynq platform. 1281 1282 config DEBUG_ZYNQ_UART1 1283 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1284 depends on ARCH_ZYNQ 1285 help 1286 Say Y here if you want the debug print routines to direct 1287 their output to UART1 on the Zynq platform. 1288 1289 If you have a ZC702 board and want early boot messages to 1290 appear on the USB serial adaptor, select this option. 1291 1292 config DEBUG_ICEDCC 1293 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1294 help 1295 Say Y here if you want the debug print routines to direct 1296 their output to the EmbeddedICE macrocell's DCC channel using 1297 co-processor 14. This is known to work on the ARM9 style ICE 1298 channel and on the XScale with the PEEDI. 1299 1300 Note that the system will appear to hang during boot if there 1301 is nothing connected to read from the DCC. 1302 1303 config DEBUG_SEMIHOSTING 1304 bool "Kernel low-level debug output via semihosting I/O" 1305 help 1306 Semihosting enables code running on an ARM target to use 1307 the I/O facilities on a host debugger/emulator through a 1308 simple SVC call. The host debugger or emulator must have 1309 semihosting enabled for the special svc call to be trapped 1310 otherwise the kernel will crash. 1311 1312 This is known to work with OpenOCD, as well as 1313 ARM's Fast Models, or any other controlling environment 1314 that implements semihosting. 1315 1316 For more details about semihosting, please see 1317 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1318 1319 config DEBUG_LL_UART_8250 1320 bool "Kernel low-level debugging via 8250 UART" 1321 help 1322 Say Y here if you wish the debug print routes to direct 1323 their output to an 8250 UART. You can use this option 1324 to provide the parameters for the 8250 UART rather than 1325 selecting one of the platform specific options above if 1326 you know the parameters for the port. 1327 1328 This option is preferred over the platform specific 1329 options; the platform specific options are deprecated 1330 and will be soon removed. 1331 1332 config DEBUG_LL_UART_EFM32 1333 bool "Kernel low-level debugging via efm32 UART" 1334 depends on ARCH_EFM32 1335 help 1336 Say Y here if you want the debug print routines to direct 1337 their output to an UART or USART port on efm32 based 1338 machines. Use the following addresses for DEBUG_UART_PHYS: 1339 1340 0x4000c000 | USART0 1341 0x4000c400 | USART1 1342 0x4000c800 | USART2 1343 0x4000e000 | UART0 1344 0x4000e400 | UART1 1345 1346 config DEBUG_LL_UART_PL01X 1347 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1348 help 1349 Say Y here if you wish the debug print routes to direct 1350 their output to a PL01x Primecell UART. You can use 1351 this option to provide the parameters for the UART 1352 rather than selecting one of the platform specific 1353 options above if you know the parameters for the port. 1354 1355 This option is preferred over the platform specific 1356 options; the platform specific options are deprecated 1357 and will be soon removed. 1358 1359endchoice 1360 1361config DEBUG_AT91_UART 1362 bool 1363 depends on ARCH_AT91 1364 1365config DEBUG_EXYNOS_UART 1366 bool 1367 1368config DEBUG_S3C2410_UART 1369 bool 1370 select DEBUG_S3C24XX_UART 1371 1372config DEBUG_S3C24XX_UART 1373 bool 1374 1375config DEBUG_S3C64XX_UART 1376 bool 1377 1378config DEBUG_S5PV210_UART 1379 bool 1380 1381config DEBUG_OMAP2PLUS_UART 1382 bool 1383 depends on ARCH_OMAP2PLUS 1384 1385config DEBUG_IMX_UART_PORT 1386 int "i.MX Debug UART Port Selection" 1387 depends on DEBUG_IMX1_UART || \ 1388 DEBUG_IMX25_UART || \ 1389 DEBUG_IMX21_IMX27_UART || \ 1390 DEBUG_IMX31_UART || \ 1391 DEBUG_IMX35_UART || \ 1392 DEBUG_IMX50_UART || \ 1393 DEBUG_IMX51_UART || \ 1394 DEBUG_IMX53_UART || \ 1395 DEBUG_IMX6Q_UART || \ 1396 DEBUG_IMX6SL_UART || \ 1397 DEBUG_IMX6SX_UART || \ 1398 DEBUG_IMX6UL_UART || \ 1399 DEBUG_IMX7D_UART 1400 default 1 1401 help 1402 Choose UART port on which kernel low-level debug messages 1403 should be output. 1404 1405config DEBUG_VF_UART_PORT 1406 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1407 default 1 1408 range 0 3 1409 depends on SOC_VF610 1410 help 1411 Choose UART port on which kernel low-level debug messages 1412 should be output. 1413 1414config DEBUG_TEGRA_UART 1415 bool 1416 depends on ARCH_TEGRA 1417 1418config DEBUG_STI_UART 1419 bool 1420 depends on ARCH_STI 1421 1422config DEBUG_SIRFSOC_UART 1423 bool 1424 depends on ARCH_SIRF 1425 1426config DEBUG_LL_INCLUDE 1427 string 1428 default "debug/sa1100.S" if DEBUG_SA1100 1429 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1430 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1431 default "debug/at91.S" if DEBUG_AT91_UART 1432 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1433 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1434 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1435 default "debug/meson.S" if DEBUG_MESON_UARTAO 1436 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1437 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1438 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1439 default "debug/icedcc.S" if DEBUG_ICEDCC 1440 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1441 DEBUG_IMX25_UART || \ 1442 DEBUG_IMX21_IMX27_UART || \ 1443 DEBUG_IMX31_UART || \ 1444 DEBUG_IMX35_UART || \ 1445 DEBUG_IMX50_UART || \ 1446 DEBUG_IMX51_UART || \ 1447 DEBUG_IMX53_UART ||\ 1448 DEBUG_IMX6Q_UART || \ 1449 DEBUG_IMX6SL_UART || \ 1450 DEBUG_IMX6SX_UART || \ 1451 DEBUG_IMX6UL_UART || \ 1452 DEBUG_IMX7D_UART 1453 default "debug/ks8695.S" if DEBUG_KS8695_UART 1454 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1455 default "debug/netx.S" if DEBUG_NETX_UART 1456 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1457 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1458 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1459 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1460 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1461 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1462 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1463 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1464 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1465 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1466 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1467 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1468 default "debug/sti.S" if DEBUG_STI_UART 1469 default "debug/tegra.S" if DEBUG_TEGRA_UART 1470 default "debug/ux500.S" if DEBUG_UX500_UART 1471 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1472 default "debug/vf.S" if DEBUG_VF_UART 1473 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1474 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1475 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1476 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1477 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1478 default "mach/debug-macro.S" 1479 1480# Compatibility options for PL01x 1481config DEBUG_UART_PL01X 1482 bool 1483 1484# Compatibility options for 8250 1485config DEBUG_UART_8250 1486 def_bool ARCH_EBSA110 || \ 1487 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1488 ARCH_RPC 1489 1490config DEBUG_UART_PHYS 1491 hex "Physical base address of debug UART" 1492 default 0x00100a00 if DEBUG_NETX_UART 1493 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1494 default 0x01c28000 if DEBUG_SUNXI_UART0 1495 default 0x01c28400 if DEBUG_SUNXI_UART1 1496 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1497 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1498 default 0x01f02800 if DEBUG_SUNXI_R_UART 1499 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1500 default 0x02531000 if DEBUG_KEYSTONE_UART1 1501 default 0x03010fe0 if ARCH_RPC 1502 default 0x07000000 if DEBUG_SUN9I_UART0 1503 default 0x09405000 if DEBUG_ZTE_ZX 1504 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1505 DEBUG_VEXPRESS_UART0_CA9 1506 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1507 default 0x10124000 if DEBUG_RK3X_UART0 1508 default 0x10126000 if DEBUG_RK3X_UART1 1509 default 0x101f1000 if DEBUG_VERSATILE 1510 default 0x101fb000 if DEBUG_NOMADIK_UART 1511 default 0x10210000 if DEBUG_RV1108_UART2 1512 default 0x10220000 if DEBUG_RV1108_UART1 1513 default 0x10230000 if DEBUG_RV1108_UART0 1514 default 0x11002000 if DEBUG_MT8127_UART0 1515 default 0x11006000 if DEBUG_MT6589_UART0 1516 default 0x11009000 if DEBUG_MT8135_UART3 1517 default 0x16000000 if DEBUG_INTEGRATOR 1518 default 0x18000300 if DEBUG_BCM_5301X 1519 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1520 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1521 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1522 default 0x20001000 if DEBUG_HIP01_UART 1523 default 0x20060000 if DEBUG_RK29_UART0 1524 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1525 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1526 default 0x20201000 if DEBUG_BCM2835 1527 default 0x3f201000 if DEBUG_BCM2836 1528 default 0x3e000000 if DEBUG_BCM_KONA_UART 1529 default 0x4000e400 if DEBUG_LL_UART_EFM32 1530 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1531 default 0x40081000 if DEBUG_LPC18XX_UART0 1532 default 0x40090000 if DEBUG_LPC32XX 1533 default 0x40100000 if DEBUG_PXA_UART1 1534 default 0x42000000 if DEBUG_GEMINI 1535 default 0x44e09000 if DEBUG_AM33XXUART1 1536 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1537 default 0x48022000 if DEBUG_TI81XXUART2 1538 default 0x48024000 if DEBUG_TI81XXUART3 1539 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1540 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1541 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1542 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1543 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1544 default 0x49020000 if DEBUG_OMAP3UART3 1545 default 0x49042000 if DEBUG_OMAP3UART4 1546 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1547 DEBUG_S3C2410_UART0) 1548 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1549 DEBUG_S3C2410_UART1) 1550 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1551 DEBUG_S3C2410_UART2) 1552 default 0x78000000 if DEBUG_CNS3XXX 1553 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1554 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1555 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1556 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1557 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1558 default 0x80010000 if DEBUG_ASM9260_UART 1559 default 0x80070000 if DEBUG_IMX23_UART 1560 default 0x80074000 if DEBUG_IMX28_UART 1561 default 0x80230000 if DEBUG_PICOXCELL_UART 1562 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1563 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1564 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1565 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1566 default 0xc0013000 if DEBUG_U300_UART 1567 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1568 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1569 default 0xd0000000 if DEBUG_SPEAR3XX 1570 default 0xd0012000 if DEBUG_MVEBU_UART0 1571 default 0xc81004c0 if DEBUG_MESON_UARTAO 1572 default 0xd4017000 if DEBUG_MMP_UART2 1573 default 0xd4018000 if DEBUG_MMP_UART3 1574 default 0xe0000000 if DEBUG_SPEAR13XX 1575 default 0xe4007000 if DEBUG_HIP04_UART 1576 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1577 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1578 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1579 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1580 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1581 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1582 default 0xf0000be0 if ARCH_EBSA110 1583 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1584 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1585 default 0xf7fc9000 if DEBUG_BERLIN_UART 1586 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1587 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1588 default 0xf991e000 if DEBUG_QCOM_UARTDM 1589 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1590 default 0xfcb00000 if DEBUG_HI3620_UART 1591 default 0xfd883000 if DEBUG_ALPINE_UART0 1592 default 0xfe800000 if ARCH_IOP32X 1593 default 0xff690000 if DEBUG_RK32_UART2 1594 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1595 default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1596 default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1597 default 0xffd82340 if ARCH_IOP13XX 1598 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1599 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1600 default 0xfff36000 if DEBUG_HIGHBANK_UART 1601 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1602 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1603 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1604 default 0xfffe8600 if DEBUG_BCM63XX_UART 1605 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1606 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1607 default 0xfffff700 if ARCH_IOP33X 1608 depends on ARCH_EP93XX || \ 1609 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1610 DEBUG_LL_UART_EFM32 || \ 1611 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1612 DEBUG_NETX_UART || \ 1613 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1614 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1615 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1616 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1617 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1618 DEBUG_S3C64XX_UART || \ 1619 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1620 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1621 DEBUG_AT91_UART 1622 1623config DEBUG_UART_VIRT 1624 hex "Virtual base address of debug UART" 1625 default 0xc881f000 if DEBUG_RV1108_UART2 1626 default 0xc8821000 if DEBUG_RV1108_UART1 1627 default 0xc8912000 if DEBUG_RV1108_UART0 1628 default 0xe0000a00 if DEBUG_NETX_UART 1629 default 0xe0010fe0 if ARCH_RPC 1630 default 0xf0000be0 if ARCH_EBSA110 1631 default 0xf0010000 if DEBUG_ASM9260_UART 1632 default 0xf01fb000 if DEBUG_NOMADIK_UART 1633 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1634 default 0xf1000300 if DEBUG_BCM_5301X 1635 default 0xf1002000 if DEBUG_MT8127_UART0 1636 default 0xf1006000 if DEBUG_MT6589_UART0 1637 default 0xf1009000 if DEBUG_MT8135_UART3 1638 default 0xf11f1000 if DEBUG_VERSATILE 1639 default 0xf1600000 if DEBUG_INTEGRATOR 1640 default 0xf1c28000 if DEBUG_SUNXI_UART0 1641 default 0xf1c28400 if DEBUG_SUNXI_UART1 1642 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1643 default 0xf31004c0 if DEBUG_MESON_UARTAO 1644 default 0xf4090000 if DEBUG_LPC32XX 1645 default 0xf4200000 if DEBUG_GEMINI 1646 default 0xf6200000 if DEBUG_PXA_UART1 1647 default 0xf7000000 if DEBUG_SUN9I_UART0 1648 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1649 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1650 DEBUG_S3C2410_UART0) 1651 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1652 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1653 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1654 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1655 DEBUG_S3C2410_UART1) 1656 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1657 DEBUG_S3C2410_UART2) 1658 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1659 default 0xf7fc9000 if DEBUG_BERLIN_UART 1660 default 0xf8007000 if DEBUG_HIP04_UART 1661 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1662 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1663 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1664 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1665 default 0xf9e09000 if DEBUG_AM33XXUART1 1666 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1667 default 0xfa022000 if DEBUG_TI81XXUART2 1668 default 0xfa024000 if DEBUG_TI81XXUART3 1669 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1670 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1671 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1672 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1673 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1674 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1675 default 0xfb002000 if DEBUG_CNS3XXX 1676 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1677 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1678 default 0xfb020000 if DEBUG_OMAP3UART3 1679 default 0xfb042000 if DEBUG_OMAP3UART4 1680 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1681 default 0xfc705000 if DEBUG_ZTE_ZX 1682 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1683 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1684 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1685 default 0xfd883000 if DEBUG_ALPINE_UART0 1686 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1687 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1688 default 0xfe017000 if DEBUG_MMP_UART2 1689 default 0xfe018000 if DEBUG_MMP_UART3 1690 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1691 default 0xfe230000 if DEBUG_PICOXCELL_UART 1692 default 0xfe300000 if DEBUG_BCM_KONA_UART 1693 default 0xfe800000 if ARCH_IOP32X 1694 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1695 default 0xfeb24000 if DEBUG_RK3X_UART0 1696 default 0xfeb26000 if DEBUG_RK3X_UART1 1697 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1698 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1699 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1700 default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1701 default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 1702 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1703 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1704 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1705 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1706 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1707 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1708 default 0xfec90000 if DEBUG_RK32_UART2 1709 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1710 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1711 default 0xfed60000 if DEBUG_RK29_UART0 1712 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1713 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1714 default 0xfedc0000 if DEBUG_EP93XX 1715 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1716 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1717 default 0xfee82340 if ARCH_IOP13XX 1718 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1719 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1720 default 0xfef36000 if DEBUG_HIGHBANK_UART 1721 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1722 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1723 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1724 default 0xfefff700 if ARCH_IOP33X 1725 default 0xff003000 if DEBUG_U300_UART 1726 default 0xffd01000 if DEBUG_HIP01_UART 1727 default DEBUG_UART_PHYS if !MMU 1728 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1729 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1730 DEBUG_NETX_UART || \ 1731 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1732 DEBUG_S3C64XX_UART || \ 1733 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1734 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1735 DEBUG_AT91_UART 1736 1737config DEBUG_UART_8250_SHIFT 1738 int "Register offset shift for the 8250 debug UART" 1739 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1740 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1741 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3 1742 default 2 1743 1744config DEBUG_UART_8250_WORD 1745 bool "Use 32-bit accesses for 8250 UART" 1746 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1747 depends on DEBUG_UART_8250_SHIFT >= 2 1748 default y if DEBUG_PICOXCELL_UART || \ 1749 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ 1750 DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ 1751 DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ 1752 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1753 DEBUG_DAVINCI_DA8XX_UART2 || \ 1754 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1755 1756config DEBUG_UART_8250_PALMCHIP 1757 bool "8250 UART is Palmchip BK-310x" 1758 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1759 help 1760 Palmchip provides a UART implementation compatible with 16550 1761 except for having a different register layout. Say Y here if 1762 the debug UART is of this type. 1763 1764config DEBUG_UART_8250_FLOW_CONTROL 1765 bool "Enable flow control for 8250 UART" 1766 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1767 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1768 1769config DEBUG_UNCOMPRESS 1770 bool 1771 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1772 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1773 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1774 !DEBUG_BRCMSTB_UART 1775 help 1776 This option influences the normal decompressor output for 1777 multiplatform kernels. Normally, multiplatform kernels disable 1778 decompressor output because it is not possible to know where to 1779 send the decompressor output. 1780 1781 When this option is set, the selected DEBUG_LL output method 1782 will be re-used for normal decompressor output on multiplatform 1783 kernels. 1784 1785 1786config UNCOMPRESS_INCLUDE 1787 string 1788 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1789 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1790 default "mach/uncompress.h" 1791 1792config EARLY_PRINTK 1793 bool "Early printk" 1794 depends on DEBUG_LL 1795 help 1796 Say Y here if you want to have an early console using the 1797 kernel low-level debugging functions. Add earlyprintk to your 1798 kernel parameters to enable this console. 1799 1800config ARM_KPROBES_TEST 1801 tristate "Kprobes test module" 1802 depends on KPROBES && MODULES 1803 help 1804 Perform tests of kprobes API and instruction set simulation. 1805 1806config PID_IN_CONTEXTIDR 1807 bool "Write the current PID to the CONTEXTIDR register" 1808 depends on CPU_COPY_V6 1809 help 1810 Enabling this option causes the kernel to write the current PID to 1811 the PROCID field of the CONTEXTIDR register, at the expense of some 1812 additional instructions during context switch. Say Y here only if you 1813 are planning to use hardware trace tools with this kernel. 1814 1815source "drivers/hwtracing/coresight/Kconfig" 1816 1817endmenu 1818