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 depends on MMU 9 select DEBUG_FS 10 ---help--- 11 Say Y here if you want to show the kernel pagetable layout in a 12 debugfs file. This information is only useful for kernel developers 13 who are working in architecture specific areas of the kernel. 14 It is probably not a good idea to enable this feature in a production 15 kernel. 16 If in doubt, say "N" 17 18# RMK wants arm kernels compiled with frame pointers or stack unwinding. 19# If you know what you are doing and are willing to live without stack 20# traces, you can get a slightly smaller kernel by setting this option to 21# n, but then RMK will have to kill you ;). 22config FRAME_POINTER 23 bool 24 depends on !THUMB2_KERNEL 25 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER 26 help 27 If you say N here, the resulting kernel will be slightly smaller and 28 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, 29 when a problem occurs with the kernel, the information that is 30 reported is severely limited. 31 32config ARM_UNWIND 33 bool "Enable stack unwinding support (EXPERIMENTAL)" 34 depends on AEABI 35 default y 36 help 37 This option enables stack unwinding support in the kernel 38 using the information automatically generated by the 39 compiler. The resulting kernel image is slightly bigger but 40 the performance is not affected. Currently, this feature 41 only works with EABI compilers. If unsure say Y. 42 43config OLD_MCOUNT 44 bool 45 depends on FUNCTION_TRACER && FRAME_POINTER 46 default y 47 48config DEBUG_USER 49 bool "Verbose user fault messages" 50 help 51 When a user program crashes due to an exception, the kernel can 52 print a brief message explaining what the problem was. This is 53 sometimes helpful for debugging but serves no purpose on a 54 production system. Most people should say N here. 55 56 In addition, you need to pass user_debug=N on the kernel command 57 line to enable this feature. N consists of the sum of: 58 59 1 - undefined instruction events 60 2 - system calls 61 4 - invalid data aborts 62 8 - SIGSEGV faults 63 16 - SIGBUS faults 64 65# These options are only for real kernel hackers who want to get their hands dirty. 66config DEBUG_LL 67 bool "Kernel low-level debugging functions (read help!)" 68 depends on DEBUG_KERNEL 69 help 70 Say Y here to include definitions of printascii, printch, printhex 71 in the kernel. This is helpful if you are debugging code that 72 executes before the console is initialized. 73 74 Note that selecting this option will limit the kernel to a single 75 UART definition, as specified below. Attempting to boot the kernel 76 image on a different platform *will not work*, so this option should 77 not be enabled for kernels that are intended to be portable. 78 79choice 80 prompt "Kernel low-level debugging port" 81 depends on DEBUG_LL 82 83 config DEBUG_ALPINE_UART0 84 bool "Kernel low-level debugging messages via Alpine UART0" 85 depends on ARCH_ALPINE 86 select DEBUG_UART_8250 87 help 88 Say Y here if you want kernel low-level debugging support 89 on Alpine based platforms. 90 91 config DEBUG_ASM9260_UART 92 bool "Kernel low-level debugging via asm9260 UART" 93 depends on MACH_ASM9260 94 help 95 Say Y here if you want the debug print routines to direct 96 their output to an UART or USART port on asm9260 based 97 machines. 98 99 DEBUG_UART_PHYS | DEBUG_UART_VIRT 100 101 0x80000000 | 0xf0000000 | UART0 102 0x80004000 | 0xf0004000 | UART1 103 0x80008000 | 0xf0008000 | UART2 104 0x8000c000 | 0xf000c000 | UART3 105 0x80010000 | 0xf0010000 | UART4 106 0x80014000 | 0xf0014000 | UART5 107 0x80018000 | 0xf0018000 | UART6 108 0x8001c000 | 0xf001c000 | UART7 109 0x80020000 | 0xf0020000 | UART8 110 0x80024000 | 0xf0024000 | UART9 111 112 config DEBUG_AT91_RM9200_DBGU 113 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU" 114 select DEBUG_AT91_UART 115 depends on SOC_AT91RM9200 || SOC_AT91SAM9 116 help 117 Say Y here if you want kernel low-level debugging support 118 on the DBGU port of: 119 at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 120 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5 121 122 config DEBUG_AT91_SAM9263_DBGU 123 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 124 select DEBUG_AT91_UART 125 depends on SOC_AT91SAM9 || SOC_SAMA5D3 126 help 127 Say Y here if you want kernel low-level debugging support 128 on the DBGU port of: 129 at91sam9263, at91sam9g45, at91sam9m10, 130 sama5d3 131 132 config DEBUG_AT91_SAMA5D2_UART1 133 bool "Kernel low-level debugging on SAMA5D2 UART1" 134 select DEBUG_AT91_UART 135 depends on SOC_SAMA5D2 136 help 137 Say Y here if you want kernel low-level debugging support 138 on the UART1 port of sama5d2. 139 140 config DEBUG_AT91_SAMA5D4_USART3 141 bool "Kernel low-level debugging on SAMA5D4 USART3" 142 select DEBUG_AT91_UART 143 depends on SOC_SAMA5D4 144 help 145 Say Y here if you want kernel low-level debugging support 146 on the USART3 port of sama5d4. 147 148 config DEBUG_BCM2835 149 bool "Kernel low-level debugging on BCM2835 PL011 UART" 150 depends on ARCH_BCM2835 && ARCH_MULTI_V6 151 select DEBUG_UART_PL01X 152 153 config DEBUG_BCM2836 154 bool "Kernel low-level debugging on BCM2836 PL011 UART" 155 depends on ARCH_BCM2835 && ARCH_MULTI_V7 156 select DEBUG_UART_PL01X 157 158 config DEBUG_BCM_5301X 159 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 160 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 161 select DEBUG_UART_8250 162 163 config DEBUG_BCM_KONA_UART 164 bool "Kernel low-level debugging messages via BCM KONA UART" 165 depends on ARCH_BCM_MOBILE 166 select DEBUG_UART_8250 167 help 168 Say Y here if you want kernel low-level debugging support 169 on Broadcom SoC platforms. 170 This low level debug works for Broadcom 171 mobile SoCs in the Kona family of chips (e.g. bcm28155, 172 bcm11351, etc...) 173 174 config DEBUG_BCM63XX_UART 175 bool "Kernel low-level debugging on BCM63XX UART" 176 depends on ARCH_BCM_63XX 177 178 config DEBUG_BERLIN_UART 179 bool "Marvell Berlin SoC Debug UART" 180 depends on ARCH_BERLIN 181 select DEBUG_UART_8250 182 help 183 Say Y here if you want kernel low-level debugging support 184 on Marvell Berlin SoC based platforms. 185 186 config DEBUG_BRCMSTB_UART 187 bool "Use BRCMSTB UART for low-level debug" 188 depends on ARCH_BRCMSTB 189 help 190 Say Y here if you want the debug print routines to direct 191 their output to the first serial port on these devices. The 192 UART physical and virtual address is automatically provided 193 based on the chip identification register value. 194 195 If you have a Broadcom STB chip and would like early print 196 messages to appear over the UART, select this option. 197 198 config DEBUG_CLPS711X_UART1 199 bool "Kernel low-level debugging messages via UART1" 200 depends on ARCH_CLPS711X 201 help 202 Say Y here if you want the debug print routines to direct 203 their output to the first serial port on these devices. 204 205 config DEBUG_CLPS711X_UART2 206 bool "Kernel low-level debugging messages via UART2" 207 depends on ARCH_CLPS711X 208 help 209 Say Y here if you want the debug print routines to direct 210 their output to the second serial port on these devices. 211 212 config DEBUG_CNS3XXX 213 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 214 depends on ARCH_CNS3XXX 215 select DEBUG_UART_8250 216 help 217 Say Y here if you want the debug print routines to direct 218 their output to the CNS3xxx UART0. 219 220 config DEBUG_DAVINCI_DA8XX_UART1 221 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 222 depends on ARCH_DAVINCI_DA8XX 223 select DEBUG_UART_8250 224 help 225 Say Y here if you want the debug print routines to direct 226 their output to UART1 serial port on DaVinci DA8XX devices. 227 228 config DEBUG_DAVINCI_DA8XX_UART2 229 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 230 depends on ARCH_DAVINCI_DA8XX 231 select DEBUG_UART_8250 232 help 233 Say Y here if you want the debug print routines to direct 234 their output to UART2 serial port on DaVinci DA8XX devices. 235 236 config DEBUG_DAVINCI_DMx_UART0 237 bool "Kernel low-level debugging on DaVinci DMx using UART0" 238 depends on ARCH_DAVINCI_DMx 239 select DEBUG_UART_8250 240 help 241 Say Y here if you want the debug print routines to direct 242 their output to UART0 serial port on DaVinci DMx devices. 243 244 config DEBUG_DC21285_PORT 245 bool "Kernel low-level debugging messages via footbridge serial port" 246 depends on FOOTBRIDGE 247 help 248 Say Y here if you want the debug print routines to direct 249 their output to the serial port in the DC21285 (Footbridge). 250 251 config DEBUG_DIGICOLOR_UA0 252 bool "Kernel low-level debugging messages via Digicolor UA0" 253 depends on ARCH_DIGICOLOR 254 help 255 Say Y here if you want the debug print routines to direct 256 their output to the UA0 serial port in the CX92755. 257 258 config DEBUG_EP93XX 259 bool "Kernel low-level debugging messages via ep93xx UART" 260 depends on ARCH_EP93XX 261 select DEBUG_UART_PL01X 262 help 263 Say Y here if you want kernel low-level debugging support 264 on Cirrus Logic EP93xx based platforms. 265 266 config DEBUG_FOOTBRIDGE_COM1 267 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 268 depends on FOOTBRIDGE 269 select DEBUG_UART_8250 270 help 271 Say Y here if you want the debug print routines to direct 272 their output to the 8250 at PCI COM1. 273 274 config DEBUG_GEMINI 275 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 276 depends on ARCH_GEMINI 277 select DEBUG_UART_8250 278 help 279 Say Y here if you want kernel low-level debugging support 280 on Cortina Gemini based platforms. 281 282 config DEBUG_HI3620_UART 283 bool "Hisilicon HI3620 Debug UART" 284 depends on ARCH_HI3xxx 285 select DEBUG_UART_PL01X 286 help 287 Say Y here if you want kernel low-level debugging support 288 on HI3620 UART. 289 290 config DEBUG_HIGHBANK_UART 291 bool "Kernel low-level debugging messages via Highbank UART" 292 depends on ARCH_HIGHBANK 293 select DEBUG_UART_PL01X 294 help 295 Say Y here if you want the debug print routines to direct 296 their output to the UART on Highbank based devices. 297 298 config DEBUG_HIP01_UART 299 bool "Hisilicon Hip01 Debug UART" 300 depends on ARCH_HIP01 301 select DEBUG_UART_8250 302 help 303 Say Y here if you want kernel low-level debugging support 304 on HIP01 UART. 305 306 config DEBUG_HIP04_UART 307 bool "Hisilicon HiP04 Debug UART" 308 depends on ARCH_HIP04 309 select DEBUG_UART_8250 310 help 311 Say Y here if you want kernel low-level debugging support 312 on HIP04 UART. 313 314 config DEBUG_HIX5HD2_UART 315 bool "Hisilicon Hix5hd2 Debug UART" 316 depends on ARCH_HIX5HD2 317 select DEBUG_UART_PL01X 318 help 319 Say Y here if you want kernel low-level debugging support 320 on Hix5hd2 UART. 321 322 config DEBUG_IMX1_UART 323 bool "i.MX1 Debug UART" 324 depends on SOC_IMX1 325 help 326 Say Y here if you want kernel low-level debugging support 327 on i.MX1. 328 329 config DEBUG_IMX23_UART 330 bool "i.MX23 Debug UART" 331 depends on SOC_IMX23 332 select DEBUG_UART_PL01X 333 help 334 Say Y here if you want kernel low-level debugging support 335 on i.MX23. 336 337 config DEBUG_IMX25_UART 338 bool "i.MX25 Debug UART" 339 depends on SOC_IMX25 340 help 341 Say Y here if you want kernel low-level debugging support 342 on i.MX25. 343 344 config DEBUG_IMX21_IMX27_UART 345 bool "i.MX21 and i.MX27 Debug UART" 346 depends on SOC_IMX21 || SOC_IMX27 347 help 348 Say Y here if you want kernel low-level debugging support 349 on i.MX21 or i.MX27. 350 351 config DEBUG_IMX28_UART 352 bool "i.MX28 Debug UART" 353 depends on SOC_IMX28 354 select DEBUG_UART_PL01X 355 help 356 Say Y here if you want kernel low-level debugging support 357 on i.MX28. 358 359 config DEBUG_IMX31_UART 360 bool "i.MX31 Debug UART" 361 depends on SOC_IMX31 362 help 363 Say Y here if you want kernel low-level debugging support 364 on i.MX31. 365 366 config DEBUG_IMX35_UART 367 bool "i.MX35 Debug UART" 368 depends on SOC_IMX35 369 help 370 Say Y here if you want kernel low-level debugging support 371 on i.MX35. 372 373 config DEBUG_IMX50_UART 374 bool "i.MX50 Debug UART" 375 depends on SOC_IMX50 376 help 377 Say Y here if you want kernel low-level debugging support 378 on i.MX50. 379 380 config DEBUG_IMX51_UART 381 bool "i.MX51 Debug UART" 382 depends on SOC_IMX51 383 help 384 Say Y here if you want kernel low-level debugging support 385 on i.MX51. 386 387 config DEBUG_IMX53_UART 388 bool "i.MX53 Debug UART" 389 depends on SOC_IMX53 390 help 391 Say Y here if you want kernel low-level debugging support 392 on i.MX53. 393 394 config DEBUG_IMX6Q_UART 395 bool "i.MX6Q/DL Debug UART" 396 depends on SOC_IMX6Q 397 help 398 Say Y here if you want kernel low-level debugging support 399 on i.MX6Q/DL. 400 401 config DEBUG_IMX6SL_UART 402 bool "i.MX6SL Debug UART" 403 depends on SOC_IMX6SL 404 help 405 Say Y here if you want kernel low-level debugging support 406 on i.MX6SL. 407 408 config DEBUG_IMX6SX_UART 409 bool "i.MX6SX Debug UART" 410 depends on SOC_IMX6SX 411 help 412 Say Y here if you want kernel low-level debugging support 413 on i.MX6SX. 414 415 config DEBUG_IMX6UL_UART 416 bool "i.MX6UL Debug UART" 417 depends on SOC_IMX6UL 418 help 419 Say Y here if you want kernel low-level debugging support 420 on i.MX6UL. 421 422 config DEBUG_IMX7D_UART 423 bool "i.MX7D Debug UART" 424 depends on SOC_IMX7D 425 help 426 Say Y here if you want kernel low-level debugging support 427 on i.MX7D. 428 429 config DEBUG_INTEGRATOR 430 bool "Kernel low-level debugging messages via ARM Integrator UART" 431 depends on ARCH_INTEGRATOR 432 select DEBUG_UART_PL01X 433 help 434 Say Y here if you want kernel low-level debugging support 435 on ARM Integrator platforms. 436 437 config DEBUG_KEYSTONE_UART0 438 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 439 depends on ARCH_KEYSTONE 440 select DEBUG_UART_8250 441 help 442 Say Y here if you want the debug print routines to direct 443 their output to UART0 serial port on KEYSTONE2 devices. 444 445 config DEBUG_KEYSTONE_UART1 446 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 447 depends on ARCH_KEYSTONE 448 select DEBUG_UART_8250 449 help 450 Say Y here if you want the debug print routines to direct 451 their output to UART1 serial port on KEYSTONE2 devices. 452 453 config DEBUG_KS8695_UART 454 bool "KS8695 Debug UART" 455 depends on ARCH_KS8695 456 help 457 Say Y here if you want kernel low-level debugging support 458 on KS8695. 459 460 config DEBUG_LPC18XX_UART0 461 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 462 depends on ARCH_LPC18XX 463 select DEBUG_UART_8250 464 help 465 Say Y here if you want kernel low-level debugging support 466 on NXP LPC18xx/43xx UART0. 467 468 config DEBUG_LPC32XX 469 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 470 depends on ARCH_LPC32XX 471 select DEBUG_UART_8250 472 help 473 Say Y here if you want kernel low-level debugging support 474 on NXP LPC32xx based platforms. 475 476 config DEBUG_MESON_UARTAO 477 bool "Kernel low-level debugging via Meson6 UARTAO" 478 depends on ARCH_MESON 479 help 480 Say Y here if you want kernel low-lever debugging support 481 on Amlogic Meson6 based platforms on the UARTAO. 482 483 config DEBUG_MMP_UART2 484 bool "Kernel low-level debugging message via MMP UART2" 485 depends on ARCH_MMP 486 select DEBUG_UART_8250 487 help 488 Say Y here if you want kernel low-level debugging support 489 on MMP UART2. 490 491 config DEBUG_MMP_UART3 492 bool "Kernel low-level debugging message via MMP UART3" 493 depends on ARCH_MMP 494 select DEBUG_UART_8250 495 help 496 Say Y here if you want kernel low-level debugging support 497 on MMP UART3. 498 499 config DEBUG_MVEBU_UART0 500 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 501 depends on ARCH_MVEBU 502 depends on ARCH_MVEBU && CPU_V7 503 select DEBUG_UART_8250 504 help 505 Say Y here if you want kernel low-level debugging support 506 on MVEBU based platforms on UART0. 507 508 This option should be used with the old bootloaders 509 that left the internal registers mapped at 510 0xd0000000. As of today, this is the case on 511 platforms such as the Globalscale Mirabox or the 512 Plathome OpenBlocks AX3, when using the original 513 bootloader. 514 515 This option will not work on older Marvell platforms 516 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 517 the "new bootloader" variant. 518 519 If the wrong DEBUG_MVEBU_UART* option is selected, 520 when u-boot hands over to the kernel, the system 521 silently crashes, with no serial output at all. 522 523 config DEBUG_MVEBU_UART0_ALTERNATE 524 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 525 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 526 select DEBUG_UART_8250 527 help 528 Say Y here if you want kernel low-level debugging support 529 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 530 Kirkwood, Dove, MV78xx0, Orion5x). 531 532 533 This option should be used with the new bootloaders 534 that remap the internal registers at 0xf1000000. 535 536 If the wrong DEBUG_MVEBU_UART* option is selected, 537 when u-boot hands over to the kernel, the system 538 silently crashes, with no serial output at all. 539 540 config DEBUG_MVEBU_UART1_ALTERNATE 541 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 542 depends on ARCH_MVEBU 543 select DEBUG_UART_8250 544 help 545 Say Y here if you want kernel low-level debugging support 546 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 547 Kirkwood, Dove, MV78xx0, Orion5x). 548 549 This option should be used with the new bootloaders 550 that remap the internal registers at 0xf1000000. 551 All of the older (pre Armada XP/370) platforms also use 552 this address, regardless of the boot loader version. 553 554 If the wrong DEBUG_MVEBU_UART* option is selected, 555 when u-boot hands over to the kernel, the system 556 silently crashes, with no serial output at all. 557 558 config DEBUG_MT6589_UART0 559 bool "Mediatek mt6589 UART0" 560 depends on ARCH_MEDIATEK 561 select DEBUG_UART_8250 562 help 563 Say Y here if you want kernel low-level debugging support 564 for Mediatek mt6589 based platforms on UART0. 565 566 config DEBUG_MT8127_UART0 567 bool "Mediatek mt8127/mt6592 UART0" 568 depends on ARCH_MEDIATEK 569 select DEBUG_UART_8250 570 help 571 Say Y here if you want kernel low-level debugging support 572 for Mediatek mt8127 based platforms on UART0. 573 574 config DEBUG_MT8135_UART3 575 bool "Mediatek mt8135 UART3" 576 depends on ARCH_MEDIATEK 577 select DEBUG_UART_8250 578 help 579 Say Y here if you want kernel low-level debugging support 580 for Mediatek mt8135 based platforms on UART3. 581 582 config DEBUG_NETX_UART 583 bool "Kernel low-level debugging messages via NetX UART" 584 depends on ARCH_NETX 585 help 586 Say Y here if you want kernel low-level debugging support 587 on Hilscher NetX based platforms. 588 589 config DEBUG_NOMADIK_UART 590 bool "Kernel low-level debugging messages via NOMADIK UART" 591 depends on ARCH_NOMADIK 592 select DEBUG_UART_PL01X 593 help 594 Say Y here if you want kernel low-level debugging support 595 on NOMADIK based platforms. 596 597 config DEBUG_NSPIRE_CLASSIC_UART 598 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 599 depends on ARCH_NSPIRE 600 select DEBUG_UART_8250 601 help 602 Say Y here if you want kernel low-level debugging support 603 on TI-NSPIRE classic models. 604 605 config DEBUG_NSPIRE_CX_UART 606 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 607 depends on ARCH_NSPIRE 608 select DEBUG_UART_PL01X 609 help 610 Say Y here if you want kernel low-level debugging support 611 on TI-NSPIRE CX models. 612 613 config DEBUG_OMAP1UART1 614 bool "Kernel low-level debugging via OMAP1 UART1" 615 depends on ARCH_OMAP1 616 select DEBUG_UART_8250 617 help 618 Say Y here if you want kernel low-level debugging support 619 on OMAP1 based platforms (except OMAP730) on the UART1. 620 621 config DEBUG_OMAP1UART2 622 bool "Kernel low-level debugging via OMAP1 UART2" 623 depends on ARCH_OMAP1 624 select DEBUG_UART_8250 625 help 626 Say Y here if you want kernel low-level debugging support 627 on OMAP1 based platforms (except OMAP730) on the UART2. 628 629 config DEBUG_OMAP1UART3 630 bool "Kernel low-level debugging via OMAP1 UART3" 631 depends on ARCH_OMAP1 632 select DEBUG_UART_8250 633 help 634 Say Y here if you want kernel low-level debugging support 635 on OMAP1 based platforms (except OMAP730) on the UART3. 636 637 config DEBUG_OMAP2UART1 638 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 639 depends on ARCH_OMAP2PLUS 640 select DEBUG_OMAP2PLUS_UART 641 help 642 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 643 omap3 torpedo and 3530 lv som. 644 645 config DEBUG_OMAP2UART2 646 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 647 depends on ARCH_OMAP2PLUS 648 select DEBUG_OMAP2PLUS_UART 649 650 config DEBUG_OMAP2UART3 651 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 652 depends on ARCH_OMAP2PLUS 653 select DEBUG_OMAP2PLUS_UART 654 655 config DEBUG_OMAP3UART3 656 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 657 depends on ARCH_OMAP2PLUS 658 select DEBUG_OMAP2PLUS_UART 659 help 660 This covers at least cm_t3x, beagle, crane, devkit8000, 661 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 662 and 3517evm. 663 664 config DEBUG_OMAP4UART3 665 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 666 depends on ARCH_OMAP2PLUS 667 select DEBUG_OMAP2PLUS_UART 668 669 config DEBUG_OMAP3UART4 670 bool "Kernel low-level debugging messages via OMAP36XX UART4" 671 depends on ARCH_OMAP2PLUS 672 select DEBUG_OMAP2PLUS_UART 673 674 config DEBUG_OMAP4UART4 675 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 676 depends on ARCH_OMAP2PLUS 677 select DEBUG_OMAP2PLUS_UART 678 679 config DEBUG_OMAP7XXUART1 680 bool "Kernel low-level debugging via OMAP730 UART1" 681 depends on ARCH_OMAP730 682 select DEBUG_UART_8250 683 help 684 Say Y here if you want kernel low-level debugging support 685 on OMAP730 based platforms on the UART1. 686 687 config DEBUG_OMAP7XXUART2 688 bool "Kernel low-level debugging via OMAP730 UART2" 689 depends on ARCH_OMAP730 690 select DEBUG_UART_8250 691 help 692 Say Y here if you want kernel low-level debugging support 693 on OMAP730 based platforms on the UART2. 694 695 config DEBUG_OMAP7XXUART3 696 bool "Kernel low-level debugging via OMAP730 UART3" 697 depends on ARCH_OMAP730 698 select DEBUG_UART_8250 699 help 700 Say Y here if you want kernel low-level debugging support 701 on OMAP730 based platforms on the UART3. 702 703 config DEBUG_TI81XXUART1 704 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 705 depends on ARCH_OMAP2PLUS 706 select DEBUG_OMAP2PLUS_UART 707 708 config DEBUG_TI81XXUART2 709 bool "Kernel low-level debugging messages via TI81XX UART2" 710 depends on ARCH_OMAP2PLUS 711 select DEBUG_OMAP2PLUS_UART 712 713 config DEBUG_TI81XXUART3 714 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 715 depends on ARCH_OMAP2PLUS 716 select DEBUG_OMAP2PLUS_UART 717 718 config DEBUG_AM33XXUART1 719 bool "Kernel low-level debugging messages via AM33XX UART1" 720 depends on ARCH_OMAP2PLUS 721 select DEBUG_OMAP2PLUS_UART 722 723 config DEBUG_ZOOM_UART 724 bool "Kernel low-level debugging messages via Zoom2/3 UART" 725 depends on ARCH_OMAP2PLUS 726 select DEBUG_OMAP2PLUS_UART 727 728 config DEBUG_PICOXCELL_UART 729 depends on ARCH_PICOXCELL 730 bool "Use PicoXcell UART for low-level debug" 731 select DEBUG_UART_8250 732 help 733 Say Y here if you want kernel low-level debugging support 734 on PicoXcell based platforms. 735 736 config DEBUG_PXA_UART1 737 depends on ARCH_PXA 738 bool "Use PXA UART1 for low-level debug" 739 select DEBUG_UART_8250 740 help 741 Say Y here if you want kernel low-level debugging support 742 on PXA UART1. 743 744 config DEBUG_QCOM_UARTDM 745 bool "Kernel low-level debugging messages via QCOM UARTDM" 746 depends on ARCH_QCOM 747 help 748 Say Y here if you want the debug print routines to direct 749 their output to the serial port on Qualcomm devices. 750 751 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 752 APQ8064 0x16640000 0xf0040000 753 APQ8084 0xf995e000 0xfa75e000 754 MSM8X60 0x19c40000 0xf0040000 755 MSM8960 0x16440000 0xf0040000 756 MSM8974 0xf991e000 0xfa71e000 757 758 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 759 options based on your needs. 760 761 config DEBUG_REALVIEW_STD_PORT 762 bool "RealView Default UART" 763 depends on ARCH_REALVIEW 764 select DEBUG_UART_PL01X 765 help 766 Say Y here if you want the debug print routines to direct 767 their output to the serial port on RealView EB, PB11MP, PBA8 768 and PBX platforms. 769 770 config DEBUG_REALVIEW_PB1176_PORT 771 bool "RealView PB1176 UART" 772 depends on MACH_REALVIEW_PB1176 773 select DEBUG_UART_PL01X 774 help 775 Say Y here if you want the debug print routines to direct 776 their output to the standard serial port on the RealView 777 PB1176 platform. 778 779 config DEBUG_RK29_UART0 780 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 781 depends on ARCH_ROCKCHIP 782 select DEBUG_UART_8250 783 help 784 Say Y here if you want kernel low-level debugging support 785 on Rockchip based platforms. 786 787 config DEBUG_RK29_UART1 788 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 789 depends on ARCH_ROCKCHIP 790 select DEBUG_UART_8250 791 help 792 Say Y here if you want kernel low-level debugging support 793 on Rockchip based platforms. 794 795 config DEBUG_RK29_UART2 796 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 797 depends on ARCH_ROCKCHIP 798 select DEBUG_UART_8250 799 help 800 Say Y here if you want kernel low-level debugging support 801 on Rockchip based platforms. 802 803 config DEBUG_RK3X_UART0 804 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 805 depends on ARCH_ROCKCHIP 806 select DEBUG_UART_8250 807 help 808 Say Y here if you want kernel low-level debugging support 809 on Rockchip based platforms. 810 811 config DEBUG_RK3X_UART1 812 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 813 depends on ARCH_ROCKCHIP 814 select DEBUG_UART_8250 815 help 816 Say Y here if you want kernel low-level debugging support 817 on Rockchip based platforms. 818 819 config DEBUG_RK3X_UART2 820 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 821 depends on ARCH_ROCKCHIP 822 select DEBUG_UART_8250 823 help 824 Say Y here if you want kernel low-level debugging support 825 on Rockchip based platforms. 826 827 config DEBUG_RK3X_UART3 828 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 829 depends on ARCH_ROCKCHIP 830 select DEBUG_UART_8250 831 help 832 Say Y here if you want kernel low-level debugging support 833 on Rockchip based platforms. 834 835 config DEBUG_RK32_UART2 836 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 837 depends on ARCH_ROCKCHIP 838 select DEBUG_UART_8250 839 help 840 Say Y here if you want kernel low-level debugging support 841 on Rockchip RK32xx based platforms. 842 843 config DEBUG_R7S72100_SCIF2 844 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 845 depends on ARCH_R7S72100 846 help 847 Say Y here if you want kernel low-level debugging support 848 via SCIF2 on Renesas RZ/A1H (R7S72100). 849 850 config DEBUG_RCAR_GEN1_SCIF0 851 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 852 depends on ARCH_R8A7778 853 help 854 Say Y here if you want kernel low-level debugging support 855 via SCIF0 on Renesas R-Car M1A (R8A7778). 856 857 config DEBUG_RCAR_GEN1_SCIF2 858 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 859 depends on ARCH_R8A7779 860 help 861 Say Y here if you want kernel low-level debugging support 862 via SCIF2 on Renesas R-Car H1 (R8A7779). 863 864 config DEBUG_RCAR_GEN2_SCIF0 865 bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7792/R8A7793" 866 depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 867 help 868 Say Y here if you want kernel low-level debugging support 869 via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), V2H 870 (R8A7792), or M2-N (R8A7793). 871 872 config DEBUG_RCAR_GEN2_SCIF2 873 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 874 depends on ARCH_R8A7794 875 help 876 Say Y here if you want kernel low-level debugging support 877 via SCIF2 on Renesas R-Car E2 (R8A7794). 878 879 config DEBUG_RMOBILE_SCIFA0 880 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 881 depends on ARCH_R8A73A4 882 help 883 Say Y here if you want kernel low-level debugging support 884 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 885 886 config DEBUG_RMOBILE_SCIFA1 887 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 888 depends on ARCH_R8A7740 889 help 890 Say Y here if you want kernel low-level debugging support 891 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 892 893 config DEBUG_RMOBILE_SCIFA4 894 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 895 depends on ARCH_SH73A0 896 help 897 Say Y here if you want kernel low-level debugging support 898 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 899 900 config DEBUG_S3C_UART0 901 depends on PLAT_SAMSUNG 902 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 903 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 904 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 905 select DEBUG_S5PV210_UART if ARCH_S5PV210 906 bool "Use Samsung S3C UART 0 for low-level debug" 907 help 908 Say Y here if you want the debug print routines to direct 909 their output to UART 0. The port must have been initialised 910 by the boot-loader before use. 911 912 config DEBUG_S3C_UART1 913 depends on PLAT_SAMSUNG 914 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 915 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 916 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 917 select DEBUG_S5PV210_UART if ARCH_S5PV210 918 bool "Use Samsung S3C UART 1 for low-level debug" 919 help 920 Say Y here if you want the debug print routines to direct 921 their output to UART 1. The port must have been initialised 922 by the boot-loader before use. 923 924 config DEBUG_S3C_UART2 925 depends on PLAT_SAMSUNG 926 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 927 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 928 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 929 select DEBUG_S5PV210_UART if ARCH_S5PV210 930 bool "Use Samsung S3C UART 2 for low-level debug" 931 help 932 Say Y here if you want the debug print routines to direct 933 their output to UART 2. The port must have been initialised 934 by the boot-loader before use. 935 936 config DEBUG_S3C_UART3 937 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 938 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 939 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 940 select DEBUG_S5PV210_UART if ARCH_S5PV210 941 bool "Use Samsung S3C UART 3 for low-level debug" 942 help 943 Say Y here if you want the debug print routines to direct 944 their output to UART 3. The port must have been initialised 945 by the boot-loader before use. 946 947 config DEBUG_S3C2410_UART0 948 depends on ARCH_S3C24XX 949 select DEBUG_S3C2410_UART 950 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 951 help 952 Say Y here if you want the debug print routines to direct 953 their output to UART 0. The port must have been initialised 954 by the boot-loader before use. 955 956 config DEBUG_S3C2410_UART1 957 depends on ARCH_S3C24XX 958 select DEBUG_S3C2410_UART 959 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 960 help 961 Say Y here if you want the debug print routines to direct 962 their output to UART 1. The port must have been initialised 963 by the boot-loader before use. 964 965 config DEBUG_S3C2410_UART2 966 depends on ARCH_S3C24XX 967 select DEBUG_S3C2410_UART 968 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 969 help 970 Say Y here if you want the debug print routines to direct 971 their output to UART 2. The port must have been initialised 972 by the boot-loader before use. 973 974 config DEBUG_SA1100 975 depends on ARCH_SA1100 976 bool "Use SA1100 UARTs for low-level debug" 977 help 978 Say Y here if you want kernel low-level debugging support 979 on SA-11x0 UART ports. The kernel will check for the first 980 enabled UART in a sequence 3-1-2. 981 982 config DEBUG_SOCFPGA_UART0 983 depends on ARCH_SOCFPGA 984 bool "Use SOCFPGA UART0 for low-level debug" 985 select DEBUG_UART_8250 986 help 987 Say Y here if you want kernel low-level debugging support 988 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 989 990 config DEBUG_SOCFPGA_UART1 991 depends on ARCH_SOCFPGA 992 bool "Use SOCFPGA UART1 for low-level debug" 993 select DEBUG_UART_8250 994 help 995 Say Y here if you want kernel low-level debugging support 996 on SOCFPGA(Arria 10) based platforms. 997 998 999 config DEBUG_SUN9I_UART0 1000 bool "Kernel low-level debugging messages via sun9i UART0" 1001 depends on MACH_SUN9I 1002 select DEBUG_UART_8250 1003 help 1004 Say Y here if you want kernel low-level debugging support 1005 on Allwinner A80 based platforms on the UART0. 1006 1007 config DEBUG_SUNXI_UART0 1008 bool "Kernel low-level debugging messages via sunXi UART0" 1009 depends on ARCH_SUNXI 1010 select DEBUG_UART_8250 1011 help 1012 Say Y here if you want kernel low-level debugging support 1013 on Allwinner A1X based platforms on the UART0. 1014 1015 config DEBUG_SUNXI_UART1 1016 bool "Kernel low-level debugging messages via sunXi UART1" 1017 depends on ARCH_SUNXI 1018 select DEBUG_UART_8250 1019 help 1020 Say Y here if you want kernel low-level debugging support 1021 on Allwinner A1X based platforms on the UART1. 1022 1023 config DEBUG_SUNXI_R_UART 1024 bool "Kernel low-level debugging messages via sunXi R_UART" 1025 depends on MACH_SUN6I || MACH_SUN8I 1026 select DEBUG_UART_8250 1027 help 1028 Say Y here if you want kernel low-level debugging support 1029 on Allwinner A31/A23 based platforms on the R_UART. 1030 1031 config DEBUG_SIRFPRIMA2_UART1 1032 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1033 depends on ARCH_PRIMA2 1034 select DEBUG_SIRFSOC_UART 1035 help 1036 Say Y here if you want the debug print routines to direct 1037 their output to the uart1 port on SiRFprimaII devices. 1038 1039 config DEBUG_SIRFATLAS7_UART0 1040 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1041 depends on ARCH_ATLAS7 1042 select DEBUG_SIRFSOC_UART 1043 help 1044 Say Y here if you want the debug print routines to direct 1045 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1046 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1047 debug port can be very useful. 1048 1049 config DEBUG_SIRFATLAS7_UART1 1050 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1051 depends on ARCH_ATLAS7 1052 select DEBUG_SIRFSOC_UART 1053 help 1054 Say Y here if you want the debug print routines to direct 1055 their output to the uart1 port on SiRFATLAS7 devices. 1056 1057 config DEBUG_SPEAR3XX 1058 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1059 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1060 select DEBUG_UART_PL01X 1061 help 1062 Say Y here if you want kernel low-level debugging support 1063 on ST SPEAr based platforms. 1064 1065 config DEBUG_SPEAR13XX 1066 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1067 depends on ARCH_SPEAR13XX 1068 select DEBUG_UART_PL01X 1069 help 1070 Say Y here if you want kernel low-level debugging support 1071 on ST SPEAr13xx based platforms. 1072 1073 config STIH41X_DEBUG_ASC2 1074 bool "Use StiH415/416 ASC2 UART for low-level debug" 1075 depends on ARCH_STI 1076 select DEBUG_STI_UART 1077 help 1078 Say Y here if you want kernel low-level debugging support 1079 on STiH415/416 based platforms like b2000, which has 1080 default UART wired up to ASC2. 1081 1082 If unsure, say N. 1083 1084 config STIH41X_DEBUG_SBC_ASC1 1085 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1086 depends on ARCH_STI 1087 select DEBUG_STI_UART 1088 help 1089 Say Y here if you want kernel low-level debugging support 1090 on STiH415/416 based platforms like b2020. which has 1091 default UART wired up to SBC ASC1. 1092 1093 If unsure, say N. 1094 1095 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1096 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1097 depends on ARCH_TEGRA 1098 select DEBUG_TEGRA_UART 1099 help 1100 Automatically determines which UART to use for low-level 1101 debug based on the ODMDATA value. This value is part of 1102 the BCT, and is written to the boot memory device using 1103 nvflash, or other flashing tool. When bits 19:18 are 3, 1104 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1105 are UART A/B/C/D/E. 1106 1107 config TEGRA_DEBUG_UARTA 1108 bool "Kernel low-level debugging messages via Tegra UART A" 1109 depends on ARCH_TEGRA 1110 select DEBUG_TEGRA_UART 1111 help 1112 Say Y here if you want kernel low-level debugging support 1113 on Tegra based platforms. 1114 1115 config TEGRA_DEBUG_UARTB 1116 bool "Kernel low-level debugging messages via Tegra UART B" 1117 depends on ARCH_TEGRA 1118 select DEBUG_TEGRA_UART 1119 help 1120 Say Y here if you want kernel low-level debugging support 1121 on Tegra based platforms. 1122 1123 config TEGRA_DEBUG_UARTC 1124 bool "Kernel low-level debugging messages via Tegra UART C" 1125 depends on ARCH_TEGRA 1126 select DEBUG_TEGRA_UART 1127 help 1128 Say Y here if you want kernel low-level debugging support 1129 on Tegra based platforms. 1130 1131 config TEGRA_DEBUG_UARTD 1132 bool "Kernel low-level debugging messages via Tegra UART D" 1133 depends on ARCH_TEGRA 1134 select DEBUG_TEGRA_UART 1135 help 1136 Say Y here if you want kernel low-level debugging support 1137 on Tegra based platforms. 1138 1139 config TEGRA_DEBUG_UARTE 1140 bool "Kernel low-level debugging messages via Tegra UART E" 1141 depends on ARCH_TEGRA 1142 select DEBUG_TEGRA_UART 1143 help 1144 Say Y here if you want kernel low-level debugging support 1145 on Tegra based platforms. 1146 1147 config DEBUG_U300_UART 1148 bool "Kernel low-level debugging messages via U300 UART0" 1149 depends on ARCH_U300 1150 select DEBUG_UART_PL01X 1151 help 1152 Say Y here if you want the debug print routines to direct 1153 their output to the uart port on U300 devices. 1154 1155 config DEBUG_UX500_UART 1156 depends on ARCH_U8500 1157 bool "Use Ux500 UART for low-level debug" 1158 help 1159 Say Y here if you want kernel low-level debugging support 1160 on Ux500 based platforms. 1161 1162 config DEBUG_VERSATILE 1163 bool "Kernel low-level debugging messages via ARM Versatile UART" 1164 depends on ARCH_VERSATILE 1165 select DEBUG_UART_PL01X 1166 help 1167 Say Y here if you want kernel low-level debugging support 1168 on ARM Versatile platforms. 1169 1170 config DEBUG_VEXPRESS_UART0_DETECT 1171 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1172 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1173 help 1174 This option enables a simple heuristic which tries to determine 1175 the motherboard's memory map variant (original or RS1) and then 1176 choose the relevant UART0 base address. 1177 1178 Note that this will only work with standard A-class core tiles, 1179 and may fail with non-standard SMM or custom software models. 1180 1181 config DEBUG_VEXPRESS_UART0_CA9 1182 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1183 depends on ARCH_VEXPRESS 1184 select DEBUG_UART_PL01X 1185 help 1186 This option selects UART0 at 0x10009000. Except for custom models, 1187 this applies only to the V2P-CA9 tile. 1188 1189 config DEBUG_VEXPRESS_UART0_RS1 1190 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1191 depends on ARCH_VEXPRESS 1192 select DEBUG_UART_PL01X 1193 help 1194 This option selects UART0 at 0x1c090000. This applies to most 1195 of the tiles using the RS1 memory map, including all new A-class 1196 core tiles, FPGA-based SMMs and software models. 1197 1198 config DEBUG_VEXPRESS_UART0_CRX 1199 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1200 depends on ARCH_VEXPRESS && !MMU 1201 select DEBUG_UART_PL01X 1202 help 1203 This option selects UART0 at 0xb0090000. This is appropriate for 1204 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1205 1206 config DEBUG_VF_UART 1207 bool "Vybrid UART" 1208 depends on SOC_VF610 1209 help 1210 Say Y here if you want kernel low-level debugging support 1211 on Vybrid based platforms. 1212 1213 config DEBUG_VT8500_UART0 1214 bool "Use UART0 on VIA/Wondermedia SoCs" 1215 depends on ARCH_VT8500 1216 help 1217 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1218 devices, including VT8500, WM8505, WM8650 and WM8850. 1219 1220 config DEBUG_ZTE_ZX 1221 bool "Use ZTE ZX UART" 1222 select DEBUG_UART_PL01X 1223 depends on ARCH_ZX 1224 help 1225 Say Y here if you are enabling ZTE ZX296702 SOC and need 1226 debug uart support. 1227 1228 This option is preferred over the platform specific 1229 options; the platform specific options are deprecated 1230 and will be soon removed. 1231 1232 config DEBUG_ZYNQ_UART0 1233 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1234 depends on ARCH_ZYNQ 1235 help 1236 Say Y here if you want the debug print routines to direct 1237 their output to UART0 on the Zynq platform. 1238 1239 config DEBUG_ZYNQ_UART1 1240 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1241 depends on ARCH_ZYNQ 1242 help 1243 Say Y here if you want the debug print routines to direct 1244 their output to UART1 on the Zynq platform. 1245 1246 If you have a ZC702 board and want early boot messages to 1247 appear on the USB serial adaptor, select this option. 1248 1249 config DEBUG_ICEDCC 1250 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1251 help 1252 Say Y here if you want the debug print routines to direct 1253 their output to the EmbeddedICE macrocell's DCC channel using 1254 co-processor 14. This is known to work on the ARM9 style ICE 1255 channel and on the XScale with the PEEDI. 1256 1257 Note that the system will appear to hang during boot if there 1258 is nothing connected to read from the DCC. 1259 1260 config DEBUG_SEMIHOSTING 1261 bool "Kernel low-level debug output via semihosting I/O" 1262 help 1263 Semihosting enables code running on an ARM target to use 1264 the I/O facilities on a host debugger/emulator through a 1265 simple SVC call. The host debugger or emulator must have 1266 semihosting enabled for the special svc call to be trapped 1267 otherwise the kernel will crash. 1268 1269 This is known to work with OpenOCD, as well as 1270 ARM's Fast Models, or any other controlling environment 1271 that implements semihosting. 1272 1273 For more details about semihosting, please see 1274 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1275 1276 config DEBUG_LL_UART_8250 1277 bool "Kernel low-level debugging via 8250 UART" 1278 help 1279 Say Y here if you wish the debug print routes to direct 1280 their output to an 8250 UART. You can use this option 1281 to provide the parameters for the 8250 UART rather than 1282 selecting one of the platform specific options above if 1283 you know the parameters for the port. 1284 1285 This option is preferred over the platform specific 1286 options; the platform specific options are deprecated 1287 and will be soon removed. 1288 1289 config DEBUG_LL_UART_EFM32 1290 bool "Kernel low-level debugging via efm32 UART" 1291 depends on ARCH_EFM32 1292 help 1293 Say Y here if you want the debug print routines to direct 1294 their output to an UART or USART port on efm32 based 1295 machines. Use the following addresses for DEBUG_UART_PHYS: 1296 1297 0x4000c000 | USART0 1298 0x4000c400 | USART1 1299 0x4000c800 | USART2 1300 0x4000e000 | UART0 1301 0x4000e400 | UART1 1302 1303 config DEBUG_LL_UART_PL01X 1304 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1305 help 1306 Say Y here if you wish the debug print routes to direct 1307 their output to a PL01x Primecell UART. You can use 1308 this option to provide the parameters for the UART 1309 rather than selecting one of the platform specific 1310 options above if you know the parameters for the port. 1311 1312 This option is preferred over the platform specific 1313 options; the platform specific options are deprecated 1314 and will be soon removed. 1315 1316endchoice 1317 1318config DEBUG_AT91_UART 1319 bool 1320 depends on ARCH_AT91 1321 1322config DEBUG_EXYNOS_UART 1323 bool 1324 1325config DEBUG_S3C2410_UART 1326 bool 1327 select DEBUG_S3C24XX_UART 1328 1329config DEBUG_S3C24XX_UART 1330 bool 1331 1332config DEBUG_S3C64XX_UART 1333 bool 1334 1335config DEBUG_S5PV210_UART 1336 bool 1337 1338config DEBUG_OMAP2PLUS_UART 1339 bool 1340 depends on ARCH_OMAP2PLUS 1341 1342config DEBUG_IMX_UART_PORT 1343 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1344 DEBUG_IMX25_UART || \ 1345 DEBUG_IMX21_IMX27_UART || \ 1346 DEBUG_IMX31_UART || \ 1347 DEBUG_IMX35_UART || \ 1348 DEBUG_IMX50_UART || \ 1349 DEBUG_IMX51_UART || \ 1350 DEBUG_IMX53_UART || \ 1351 DEBUG_IMX6Q_UART || \ 1352 DEBUG_IMX6SL_UART || \ 1353 DEBUG_IMX6SX_UART || \ 1354 DEBUG_IMX6UL_UART || \ 1355 DEBUG_IMX7D_UART 1356 default 1 1357 depends on ARCH_MXC 1358 help 1359 Choose UART port on which kernel low-level debug messages 1360 should be output. 1361 1362config DEBUG_VF_UART_PORT 1363 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1364 default 1 1365 range 0 3 1366 depends on SOC_VF610 1367 help 1368 Choose UART port on which kernel low-level debug messages 1369 should be output. 1370 1371config DEBUG_TEGRA_UART 1372 bool 1373 depends on ARCH_TEGRA 1374 1375config DEBUG_STI_UART 1376 bool 1377 depends on ARCH_STI 1378 1379config DEBUG_SIRFSOC_UART 1380 bool 1381 depends on ARCH_SIRF 1382 1383config DEBUG_LL_INCLUDE 1384 string 1385 default "debug/sa1100.S" if DEBUG_SA1100 1386 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1387 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1388 default "debug/at91.S" if DEBUG_AT91_UART 1389 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1390 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1391 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1392 default "debug/meson.S" if DEBUG_MESON_UARTAO 1393 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1394 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1395 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1396 default "debug/icedcc.S" if DEBUG_ICEDCC 1397 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1398 DEBUG_IMX25_UART || \ 1399 DEBUG_IMX21_IMX27_UART || \ 1400 DEBUG_IMX31_UART || \ 1401 DEBUG_IMX35_UART || \ 1402 DEBUG_IMX50_UART || \ 1403 DEBUG_IMX51_UART || \ 1404 DEBUG_IMX53_UART ||\ 1405 DEBUG_IMX6Q_UART || \ 1406 DEBUG_IMX6SL_UART || \ 1407 DEBUG_IMX6SX_UART || \ 1408 DEBUG_IMX6UL_UART || \ 1409 DEBUG_IMX7D_UART 1410 default "debug/ks8695.S" if DEBUG_KS8695_UART 1411 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1412 default "debug/netx.S" if DEBUG_NETX_UART 1413 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1414 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1415 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1416 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1417 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1418 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1419 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1420 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1421 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1422 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1423 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1424 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1425 default "debug/sti.S" if DEBUG_STI_UART 1426 default "debug/tegra.S" if DEBUG_TEGRA_UART 1427 default "debug/ux500.S" if DEBUG_UX500_UART 1428 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1429 default "debug/vf.S" if DEBUG_VF_UART 1430 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1431 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1432 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1433 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1434 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1435 default "mach/debug-macro.S" 1436 1437# Compatibility options for PL01x 1438config DEBUG_UART_PL01X 1439 bool 1440 1441# Compatibility options for 8250 1442config DEBUG_UART_8250 1443 def_bool ARCH_EBSA110 || \ 1444 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1445 ARCH_RPC 1446 1447config DEBUG_UART_PHYS 1448 hex "Physical base address of debug UART" 1449 default 0x00100a00 if DEBUG_NETX_UART 1450 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1451 default 0x01c28000 if DEBUG_SUNXI_UART0 1452 default 0x01c28400 if DEBUG_SUNXI_UART1 1453 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1454 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1455 default 0x01f02800 if DEBUG_SUNXI_R_UART 1456 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1457 default 0x02531000 if DEBUG_KEYSTONE_UART1 1458 default 0x03010fe0 if ARCH_RPC 1459 default 0x07000000 if DEBUG_SUN9I_UART0 1460 default 0x09405000 if DEBUG_ZTE_ZX 1461 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1462 DEBUG_VEXPRESS_UART0_CA9 1463 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1464 default 0x10124000 if DEBUG_RK3X_UART0 1465 default 0x10126000 if DEBUG_RK3X_UART1 1466 default 0x101f1000 if DEBUG_VERSATILE 1467 default 0x101fb000 if DEBUG_NOMADIK_UART 1468 default 0x11002000 if DEBUG_MT8127_UART0 1469 default 0x11006000 if DEBUG_MT6589_UART0 1470 default 0x11009000 if DEBUG_MT8135_UART3 1471 default 0x16000000 if DEBUG_INTEGRATOR 1472 default 0x18000300 if DEBUG_BCM_5301X 1473 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1474 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1475 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1476 default 0x20001000 if DEBUG_HIP01_UART 1477 default 0x20060000 if DEBUG_RK29_UART0 1478 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1479 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1480 default 0x20201000 if DEBUG_BCM2835 1481 default 0x3f201000 if DEBUG_BCM2836 1482 default 0x3e000000 if DEBUG_BCM_KONA_UART 1483 default 0x4000e400 if DEBUG_LL_UART_EFM32 1484 default 0x40081000 if DEBUG_LPC18XX_UART0 1485 default 0x40090000 if DEBUG_LPC32XX 1486 default 0x40100000 if DEBUG_PXA_UART1 1487 default 0x42000000 if DEBUG_GEMINI 1488 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1489 DEBUG_S3C2410_UART0) 1490 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1491 DEBUG_S3C2410_UART1) 1492 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1493 DEBUG_S3C2410_UART2) 1494 default 0x78000000 if DEBUG_CNS3XXX 1495 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1496 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1497 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1498 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1499 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1500 default 0x80010000 if DEBUG_ASM9260_UART 1501 default 0x80070000 if DEBUG_IMX23_UART 1502 default 0x80074000 if DEBUG_IMX28_UART 1503 default 0x80230000 if DEBUG_PICOXCELL_UART 1504 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1505 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1506 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1507 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1508 default 0xc0013000 if DEBUG_U300_UART 1509 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1510 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1511 default 0xd0000000 if DEBUG_SPEAR3XX 1512 default 0xd0012000 if DEBUG_MVEBU_UART0 1513 default 0xc81004c0 if DEBUG_MESON_UARTAO 1514 default 0xd4017000 if DEBUG_MMP_UART2 1515 default 0xd4018000 if DEBUG_MMP_UART3 1516 default 0xe0000000 if DEBUG_SPEAR13XX 1517 default 0xe4007000 if DEBUG_HIP04_UART 1518 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1519 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1520 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1521 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1522 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1523 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1524 default 0xf0000be0 if ARCH_EBSA110 1525 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1526 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1527 default 0xf7fc9000 if DEBUG_BERLIN_UART 1528 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1529 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1530 default 0xf991e000 if DEBUG_QCOM_UARTDM 1531 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1532 default 0xfcb00000 if DEBUG_HI3620_UART 1533 default 0xfd883000 if DEBUG_ALPINE_UART0 1534 default 0xfe800000 if ARCH_IOP32X 1535 default 0xff690000 if DEBUG_RK32_UART2 1536 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1537 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1538 default 0xffd82340 if ARCH_IOP13XX 1539 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1540 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1541 default 0xfff36000 if DEBUG_HIGHBANK_UART 1542 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1543 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1544 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1545 default 0xfffe8600 if DEBUG_BCM63XX_UART 1546 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1547 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1548 default 0xfffff700 if ARCH_IOP33X 1549 depends on ARCH_EP93XX || \ 1550 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1551 DEBUG_LL_UART_EFM32 || \ 1552 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1553 DEBUG_NETX_UART || \ 1554 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1555 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1556 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1557 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1558 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1559 DEBUG_S3C64XX_UART || \ 1560 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1561 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1562 DEBUG_AT91_UART 1563 1564config DEBUG_UART_VIRT 1565 hex "Virtual base address of debug UART" 1566 default 0xe0000a00 if DEBUG_NETX_UART 1567 default 0xe0010fe0 if ARCH_RPC 1568 default 0xf0000be0 if ARCH_EBSA110 1569 default 0xf0010000 if DEBUG_ASM9260_UART 1570 default 0xf01fb000 if DEBUG_NOMADIK_UART 1571 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1572 default 0xf1000300 if DEBUG_BCM_5301X 1573 default 0xf1002000 if DEBUG_MT8127_UART0 1574 default 0xf1006000 if DEBUG_MT6589_UART0 1575 default 0xf1009000 if DEBUG_MT8135_UART3 1576 default 0xf11f1000 if DEBUG_VERSATILE 1577 default 0xf1600000 if DEBUG_INTEGRATOR 1578 default 0xf1c28000 if DEBUG_SUNXI_UART0 1579 default 0xf1c28400 if DEBUG_SUNXI_UART1 1580 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1581 default 0xf31004c0 if DEBUG_MESON_UARTAO 1582 default 0xf4090000 if DEBUG_LPC32XX 1583 default 0xf4200000 if DEBUG_GEMINI 1584 default 0xf6200000 if DEBUG_PXA_UART1 1585 default 0xf7000000 if DEBUG_SUN9I_UART0 1586 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1587 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1588 DEBUG_S3C2410_UART0) 1589 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1590 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1591 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1592 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1593 DEBUG_S3C2410_UART1) 1594 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1595 DEBUG_S3C2410_UART2) 1596 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1597 default 0xf7fc9000 if DEBUG_BERLIN_UART 1598 default 0xf8007000 if DEBUG_HIP04_UART 1599 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1600 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1601 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1602 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1603 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1604 default 0xfb002000 if DEBUG_CNS3XXX 1605 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1606 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1607 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1608 default 0xfc705000 if DEBUG_ZTE_ZX 1609 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1610 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1611 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1612 default 0xfd883000 if DEBUG_ALPINE_UART0 1613 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1614 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1615 default 0xfe017000 if DEBUG_MMP_UART2 1616 default 0xfe018000 if DEBUG_MMP_UART3 1617 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1618 default 0xfe230000 if DEBUG_PICOXCELL_UART 1619 default 0xfe300000 if DEBUG_BCM_KONA_UART 1620 default 0xfe800000 if ARCH_IOP32X 1621 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1622 default 0xfeb24000 if DEBUG_RK3X_UART0 1623 default 0xfeb26000 if DEBUG_RK3X_UART1 1624 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1625 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1626 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1627 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1628 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1629 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1630 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1631 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1632 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1633 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1634 default 0xfec90000 if DEBUG_RK32_UART2 1635 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1636 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1637 default 0xfed60000 if DEBUG_RK29_UART0 1638 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1639 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1640 default 0xfedc0000 if DEBUG_EP93XX 1641 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1642 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1643 default 0xfee82340 if ARCH_IOP13XX 1644 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1645 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1646 default 0xfef36000 if DEBUG_HIGHBANK_UART 1647 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1648 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1649 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1650 default 0xfefff700 if ARCH_IOP33X 1651 default 0xff003000 if DEBUG_U300_UART 1652 default 0xffd01000 if DEBUG_HIP01_UART 1653 default DEBUG_UART_PHYS if !MMU 1654 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1655 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1656 DEBUG_NETX_UART || \ 1657 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1658 DEBUG_S3C64XX_UART || \ 1659 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1660 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1661 DEBUG_AT91_UART 1662 1663config DEBUG_UART_8250_SHIFT 1664 int "Register offset shift for the 8250 debug UART" 1665 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1666 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1667 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3 1668 default 2 1669 1670config DEBUG_UART_8250_WORD 1671 bool "Use 32-bit accesses for 8250 UART" 1672 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1673 depends on DEBUG_UART_8250_SHIFT >= 2 1674 default y if DEBUG_PICOXCELL_UART || \ 1675 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1676 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1677 DEBUG_ALPINE_UART0 || \ 1678 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1679 DEBUG_DAVINCI_DA8XX_UART2 || \ 1680 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1681 1682config DEBUG_UART_8250_PALMCHIP 1683 bool "8250 UART is Palmchip BK-310x" 1684 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1685 help 1686 Palmchip provides a UART implementation compatible with 16550 1687 except for having a different register layout. Say Y here if 1688 the debug UART is of this type. 1689 1690config DEBUG_UART_8250_FLOW_CONTROL 1691 bool "Enable flow control for 8250 UART" 1692 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1693 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1694 1695config DEBUG_UNCOMPRESS 1696 bool 1697 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1698 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1699 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1700 !DEBUG_BRCMSTB_UART 1701 help 1702 This option influences the normal decompressor output for 1703 multiplatform kernels. Normally, multiplatform kernels disable 1704 decompressor output because it is not possible to know where to 1705 send the decompressor output. 1706 1707 When this option is set, the selected DEBUG_LL output method 1708 will be re-used for normal decompressor output on multiplatform 1709 kernels. 1710 1711 1712config UNCOMPRESS_INCLUDE 1713 string 1714 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1715 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1716 default "mach/uncompress.h" 1717 1718config EARLY_PRINTK 1719 bool "Early printk" 1720 depends on DEBUG_LL 1721 help 1722 Say Y here if you want to have an early console using the 1723 kernel low-level debugging functions. Add earlyprintk to your 1724 kernel parameters to enable this console. 1725 1726config ARM_KPROBES_TEST 1727 tristate "Kprobes test module" 1728 depends on KPROBES && MODULES 1729 help 1730 Perform tests of kprobes API and instruction set simulation. 1731 1732config PID_IN_CONTEXTIDR 1733 bool "Write the current PID to the CONTEXTIDR register" 1734 depends on CPU_COPY_V6 1735 help 1736 Enabling this option causes the kernel to write the current PID to 1737 the PROCID field of the CONTEXTIDR register, at the expense of some 1738 additional instructions during context switch. Say Y here only if you 1739 are planning to use hardware trace tools with this kernel. 1740 1741source "drivers/hwtracing/coresight/Kconfig" 1742 1743endmenu 1744