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_AT91_SAMV7_USART1 149 bool "Kernel low-level debugging via SAMV7 USART1" 150 select DEBUG_AT91_UART 151 depends on SOC_SAMV7 152 help 153 Say Y here if you want the debug print routines to direct 154 their output to the USART1 port on SAMV7 based 155 machines. 156 157 config DEBUG_BCM2835 158 bool "Kernel low-level debugging on BCM2835 PL011 UART" 159 depends on ARCH_BCM2835 && ARCH_MULTI_V6 160 select DEBUG_UART_PL01X 161 162 config DEBUG_BCM2836 163 bool "Kernel low-level debugging on BCM2836 PL011 UART" 164 depends on ARCH_BCM2835 && ARCH_MULTI_V7 165 select DEBUG_UART_PL01X 166 167 config DEBUG_BCM_5301X 168 bool "Kernel low-level debugging on BCM5301X/NSP UART1" 169 depends on ARCH_BCM_5301X || ARCH_BCM_NSP 170 select DEBUG_UART_8250 171 172 config DEBUG_BCM_KONA_UART 173 bool "Kernel low-level debugging messages via BCM KONA UART" 174 depends on ARCH_BCM_MOBILE 175 select DEBUG_UART_8250 176 help 177 Say Y here if you want kernel low-level debugging support 178 on Broadcom SoC platforms. 179 This low level debug works for Broadcom 180 mobile SoCs in the Kona family of chips (e.g. bcm28155, 181 bcm11351, etc...) 182 183 config DEBUG_BCM63XX_UART 184 bool "Kernel low-level debugging on BCM63XX UART" 185 depends on ARCH_BCM_63XX 186 187 config DEBUG_BERLIN_UART 188 bool "Marvell Berlin SoC Debug UART" 189 depends on ARCH_BERLIN 190 select DEBUG_UART_8250 191 help 192 Say Y here if you want kernel low-level debugging support 193 on Marvell Berlin SoC based platforms. 194 195 config DEBUG_BRCMSTB_UART 196 bool "Use BRCMSTB UART for low-level debug" 197 depends on ARCH_BRCMSTB 198 help 199 Say Y here if you want the debug print routines to direct 200 their output to the first serial port on these devices. The 201 UART physical and virtual address is automatically provided 202 based on the chip identification register value. 203 204 If you have a Broadcom STB chip and would like early print 205 messages to appear over the UART, select this option. 206 207 config DEBUG_CLPS711X_UART1 208 bool "Kernel low-level debugging messages via UART1" 209 depends on ARCH_CLPS711X 210 help 211 Say Y here if you want the debug print routines to direct 212 their output to the first serial port on these devices. 213 214 config DEBUG_CLPS711X_UART2 215 bool "Kernel low-level debugging messages via UART2" 216 depends on ARCH_CLPS711X 217 help 218 Say Y here if you want the debug print routines to direct 219 their output to the second serial port on these devices. 220 221 config DEBUG_CNS3XXX 222 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx" 223 depends on ARCH_CNS3XXX 224 select DEBUG_UART_8250 225 help 226 Say Y here if you want the debug print routines to direct 227 their output to the CNS3xxx UART0. 228 229 config DEBUG_DAVINCI_DA8XX_UART1 230 bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 231 depends on ARCH_DAVINCI_DA8XX 232 select DEBUG_UART_8250 233 help 234 Say Y here if you want the debug print routines to direct 235 their output to UART1 serial port on DaVinci DA8XX devices. 236 237 config DEBUG_DAVINCI_DA8XX_UART2 238 bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 239 depends on ARCH_DAVINCI_DA8XX 240 select DEBUG_UART_8250 241 help 242 Say Y here if you want the debug print routines to direct 243 their output to UART2 serial port on DaVinci DA8XX devices. 244 245 config DEBUG_DAVINCI_DMx_UART0 246 bool "Kernel low-level debugging on DaVinci DMx using UART0" 247 depends on ARCH_DAVINCI_DMx 248 select DEBUG_UART_8250 249 help 250 Say Y here if you want the debug print routines to direct 251 their output to UART0 serial port on DaVinci DMx devices. 252 253 config DEBUG_DC21285_PORT 254 bool "Kernel low-level debugging messages via footbridge serial port" 255 depends on FOOTBRIDGE 256 help 257 Say Y here if you want the debug print routines to direct 258 their output to the serial port in the DC21285 (Footbridge). 259 260 config DEBUG_DIGICOLOR_UA0 261 bool "Kernel low-level debugging messages via Digicolor UA0" 262 depends on ARCH_DIGICOLOR 263 help 264 Say Y here if you want the debug print routines to direct 265 their output to the UA0 serial port in the CX92755. 266 267 config DEBUG_EP93XX 268 bool "Kernel low-level debugging messages via ep93xx UART" 269 depends on ARCH_EP93XX 270 select DEBUG_UART_PL01X 271 help 272 Say Y here if you want kernel low-level debugging support 273 on Cirrus Logic EP93xx based platforms. 274 275 config DEBUG_FOOTBRIDGE_COM1 276 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 277 depends on FOOTBRIDGE 278 select DEBUG_UART_8250 279 help 280 Say Y here if you want the debug print routines to direct 281 their output to the 8250 at PCI COM1. 282 283 config DEBUG_GEMINI 284 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 285 depends on ARCH_GEMINI 286 select DEBUG_UART_8250 287 help 288 Say Y here if you want kernel low-level debugging support 289 on Cortina Gemini based platforms. 290 291 config DEBUG_HI3620_UART 292 bool "Hisilicon HI3620 Debug UART" 293 depends on ARCH_HI3xxx 294 select DEBUG_UART_PL01X 295 help 296 Say Y here if you want kernel low-level debugging support 297 on HI3620 UART. 298 299 config DEBUG_HIGHBANK_UART 300 bool "Kernel low-level debugging messages via Highbank UART" 301 depends on ARCH_HIGHBANK 302 select DEBUG_UART_PL01X 303 help 304 Say Y here if you want the debug print routines to direct 305 their output to the UART on Highbank based devices. 306 307 config DEBUG_HIP01_UART 308 bool "Hisilicon Hip01 Debug UART" 309 depends on ARCH_HIP01 310 select DEBUG_UART_8250 311 help 312 Say Y here if you want kernel low-level debugging support 313 on HIP01 UART. 314 315 config DEBUG_HIP04_UART 316 bool "Hisilicon HiP04 Debug UART" 317 depends on ARCH_HIP04 318 select DEBUG_UART_8250 319 help 320 Say Y here if you want kernel low-level debugging support 321 on HIP04 UART. 322 323 config DEBUG_HIX5HD2_UART 324 bool "Hisilicon Hix5hd2 Debug UART" 325 depends on ARCH_HIX5HD2 326 select DEBUG_UART_PL01X 327 help 328 Say Y here if you want kernel low-level debugging support 329 on Hix5hd2 UART. 330 331 config DEBUG_IMX1_UART 332 bool "i.MX1 Debug UART" 333 depends on SOC_IMX1 334 help 335 Say Y here if you want kernel low-level debugging support 336 on i.MX1. 337 338 config DEBUG_IMX23_UART 339 bool "i.MX23 Debug UART" 340 depends on SOC_IMX23 341 select DEBUG_UART_PL01X 342 help 343 Say Y here if you want kernel low-level debugging support 344 on i.MX23. 345 346 config DEBUG_IMX25_UART 347 bool "i.MX25 Debug UART" 348 depends on SOC_IMX25 349 help 350 Say Y here if you want kernel low-level debugging support 351 on i.MX25. 352 353 config DEBUG_IMX21_IMX27_UART 354 bool "i.MX21 and i.MX27 Debug UART" 355 depends on SOC_IMX21 || SOC_IMX27 356 help 357 Say Y here if you want kernel low-level debugging support 358 on i.MX21 or i.MX27. 359 360 config DEBUG_IMX28_UART 361 bool "i.MX28 Debug UART" 362 depends on SOC_IMX28 363 select DEBUG_UART_PL01X 364 help 365 Say Y here if you want kernel low-level debugging support 366 on i.MX28. 367 368 config DEBUG_IMX31_UART 369 bool "i.MX31 Debug UART" 370 depends on SOC_IMX31 371 help 372 Say Y here if you want kernel low-level debugging support 373 on i.MX31. 374 375 config DEBUG_IMX35_UART 376 bool "i.MX35 Debug UART" 377 depends on SOC_IMX35 378 help 379 Say Y here if you want kernel low-level debugging support 380 on i.MX35. 381 382 config DEBUG_IMX50_UART 383 bool "i.MX50 Debug UART" 384 depends on SOC_IMX50 385 help 386 Say Y here if you want kernel low-level debugging support 387 on i.MX50. 388 389 config DEBUG_IMX51_UART 390 bool "i.MX51 Debug UART" 391 depends on SOC_IMX51 392 help 393 Say Y here if you want kernel low-level debugging support 394 on i.MX51. 395 396 config DEBUG_IMX53_UART 397 bool "i.MX53 Debug UART" 398 depends on SOC_IMX53 399 help 400 Say Y here if you want kernel low-level debugging support 401 on i.MX53. 402 403 config DEBUG_IMX6Q_UART 404 bool "i.MX6Q/DL Debug UART" 405 depends on SOC_IMX6Q 406 help 407 Say Y here if you want kernel low-level debugging support 408 on i.MX6Q/DL. 409 410 config DEBUG_IMX6SL_UART 411 bool "i.MX6SL Debug UART" 412 depends on SOC_IMX6SL 413 help 414 Say Y here if you want kernel low-level debugging support 415 on i.MX6SL. 416 417 config DEBUG_IMX6SX_UART 418 bool "i.MX6SX Debug UART" 419 depends on SOC_IMX6SX 420 help 421 Say Y here if you want kernel low-level debugging support 422 on i.MX6SX. 423 424 config DEBUG_IMX6UL_UART 425 bool "i.MX6UL Debug UART" 426 depends on SOC_IMX6UL 427 help 428 Say Y here if you want kernel low-level debugging support 429 on i.MX6UL. 430 431 config DEBUG_IMX7D_UART 432 bool "i.MX7D Debug UART" 433 depends on SOC_IMX7D 434 help 435 Say Y here if you want kernel low-level debugging support 436 on i.MX7D. 437 438 config DEBUG_INTEGRATOR 439 bool "Kernel low-level debugging messages via ARM Integrator UART" 440 depends on ARCH_INTEGRATOR 441 select DEBUG_UART_PL01X 442 help 443 Say Y here if you want kernel low-level debugging support 444 on ARM Integrator platforms. 445 446 config DEBUG_KEYSTONE_UART0 447 bool "Kernel low-level debugging on KEYSTONE2 using UART0" 448 depends on ARCH_KEYSTONE 449 select DEBUG_UART_8250 450 help 451 Say Y here if you want the debug print routines to direct 452 their output to UART0 serial port on KEYSTONE2 devices. 453 454 config DEBUG_KEYSTONE_UART1 455 bool "Kernel low-level debugging on KEYSTONE2 using UART1" 456 depends on ARCH_KEYSTONE 457 select DEBUG_UART_8250 458 help 459 Say Y here if you want the debug print routines to direct 460 their output to UART1 serial port on KEYSTONE2 devices. 461 462 config DEBUG_KS8695_UART 463 bool "KS8695 Debug UART" 464 depends on ARCH_KS8695 465 help 466 Say Y here if you want kernel low-level debugging support 467 on KS8695. 468 469 config DEBUG_LPC18XX_UART0 470 bool "Kernel low-level debugging via LPC18xx/43xx UART0" 471 depends on ARCH_LPC18XX 472 select DEBUG_UART_8250 473 help 474 Say Y here if you want kernel low-level debugging support 475 on NXP LPC18xx/43xx UART0. 476 477 config DEBUG_LPC32XX 478 bool "Kernel low-level debugging messages via NXP LPC32xx UART" 479 depends on ARCH_LPC32XX 480 select DEBUG_UART_8250 481 help 482 Say Y here if you want kernel low-level debugging support 483 on NXP LPC32xx based platforms. 484 485 config DEBUG_MESON_UARTAO 486 bool "Kernel low-level debugging via Meson6 UARTAO" 487 depends on ARCH_MESON 488 help 489 Say Y here if you want kernel low-lever debugging support 490 on Amlogic Meson6 based platforms on the UARTAO. 491 492 config DEBUG_MMP_UART2 493 bool "Kernel low-level debugging message via MMP UART2" 494 depends on ARCH_MMP 495 select DEBUG_UART_8250 496 help 497 Say Y here if you want kernel low-level debugging support 498 on MMP UART2. 499 500 config DEBUG_MMP_UART3 501 bool "Kernel low-level debugging message via MMP UART3" 502 depends on ARCH_MMP 503 select DEBUG_UART_8250 504 help 505 Say Y here if you want kernel low-level debugging support 506 on MMP UART3. 507 508 config DEBUG_MVEBU_UART0 509 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 510 depends on ARCH_MVEBU 511 depends on ARCH_MVEBU && CPU_V7 512 select DEBUG_UART_8250 513 help 514 Say Y here if you want kernel low-level debugging support 515 on MVEBU based platforms on UART0. 516 517 This option should be used with the old bootloaders 518 that left the internal registers mapped at 519 0xd0000000. As of today, this is the case on 520 platforms such as the Globalscale Mirabox or the 521 Plathome OpenBlocks AX3, when using the original 522 bootloader. 523 524 This option will not work on older Marvell platforms 525 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 526 the "new bootloader" variant. 527 528 If the wrong DEBUG_MVEBU_UART* option is selected, 529 when u-boot hands over to the kernel, the system 530 silently crashes, with no serial output at all. 531 532 config DEBUG_MVEBU_UART0_ALTERNATE 533 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 534 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 535 select DEBUG_UART_8250 536 help 537 Say Y here if you want kernel low-level debugging support 538 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 539 Kirkwood, Dove, MV78xx0, Orion5x). 540 541 542 This option should be used with the new bootloaders 543 that remap the internal registers at 0xf1000000. 544 545 If the wrong DEBUG_MVEBU_UART* option is selected, 546 when u-boot hands over to the kernel, the system 547 silently crashes, with no serial output at all. 548 549 config DEBUG_MVEBU_UART1_ALTERNATE 550 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 551 depends on ARCH_MVEBU 552 select DEBUG_UART_8250 553 help 554 Say Y here if you want kernel low-level debugging support 555 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 556 Kirkwood, Dove, MV78xx0, Orion5x). 557 558 This option should be used with the new bootloaders 559 that remap the internal registers at 0xf1000000. 560 All of the older (pre Armada XP/370) platforms also use 561 this address, regardless of the boot loader version. 562 563 If the wrong DEBUG_MVEBU_UART* option is selected, 564 when u-boot hands over to the kernel, the system 565 silently crashes, with no serial output at all. 566 567 config DEBUG_MT6589_UART0 568 bool "Mediatek mt6589 UART0" 569 depends on ARCH_MEDIATEK 570 select DEBUG_UART_8250 571 help 572 Say Y here if you want kernel low-level debugging support 573 for Mediatek mt6589 based platforms on UART0. 574 575 config DEBUG_MT8127_UART0 576 bool "Mediatek mt8127/mt6592 UART0" 577 depends on ARCH_MEDIATEK 578 select DEBUG_UART_8250 579 help 580 Say Y here if you want kernel low-level debugging support 581 for Mediatek mt8127 based platforms on UART0. 582 583 config DEBUG_MT8135_UART3 584 bool "Mediatek mt8135 UART3" 585 depends on ARCH_MEDIATEK 586 select DEBUG_UART_8250 587 help 588 Say Y here if you want kernel low-level debugging support 589 for Mediatek mt8135 based platforms on UART3. 590 591 config DEBUG_NETX_UART 592 bool "Kernel low-level debugging messages via NetX UART" 593 depends on ARCH_NETX 594 help 595 Say Y here if you want kernel low-level debugging support 596 on Hilscher NetX based platforms. 597 598 config DEBUG_NOMADIK_UART 599 bool "Kernel low-level debugging messages via NOMADIK UART" 600 depends on ARCH_NOMADIK 601 select DEBUG_UART_PL01X 602 help 603 Say Y here if you want kernel low-level debugging support 604 on NOMADIK based platforms. 605 606 config DEBUG_NSPIRE_CLASSIC_UART 607 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 608 depends on ARCH_NSPIRE 609 select DEBUG_UART_8250 610 help 611 Say Y here if you want kernel low-level debugging support 612 on TI-NSPIRE classic models. 613 614 config DEBUG_NSPIRE_CX_UART 615 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 616 depends on ARCH_NSPIRE 617 select DEBUG_UART_PL01X 618 help 619 Say Y here if you want kernel low-level debugging support 620 on TI-NSPIRE CX models. 621 622 config DEBUG_OMAP1UART1 623 bool "Kernel low-level debugging via OMAP1 UART1" 624 depends on ARCH_OMAP1 625 select DEBUG_UART_8250 626 help 627 Say Y here if you want kernel low-level debugging support 628 on OMAP1 based platforms (except OMAP730) on the UART1. 629 630 config DEBUG_OMAP1UART2 631 bool "Kernel low-level debugging via OMAP1 UART2" 632 depends on ARCH_OMAP1 633 select DEBUG_UART_8250 634 help 635 Say Y here if you want kernel low-level debugging support 636 on OMAP1 based platforms (except OMAP730) on the UART2. 637 638 config DEBUG_OMAP1UART3 639 bool "Kernel low-level debugging via OMAP1 UART3" 640 depends on ARCH_OMAP1 641 select DEBUG_UART_8250 642 help 643 Say Y here if you want kernel low-level debugging support 644 on OMAP1 based platforms (except OMAP730) on the UART3. 645 646 config DEBUG_OMAP2UART1 647 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 648 depends on ARCH_OMAP2PLUS 649 select DEBUG_UART_8250 650 help 651 This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 652 omap3 torpedo and 3530 lv som. 653 654 config DEBUG_OMAP2UART2 655 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 656 depends on ARCH_OMAP2PLUS 657 select DEBUG_UART_8250 658 659 config DEBUG_OMAP2UART3 660 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 661 depends on ARCH_OMAP2PLUS 662 select DEBUG_UART_8250 663 664 config DEBUG_OMAP3UART3 665 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 666 depends on ARCH_OMAP2PLUS 667 select DEBUG_UART_8250 668 help 669 This covers at least cm_t3x, beagle, crane, devkit8000, 670 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 671 and 3517evm. 672 673 config DEBUG_OMAP4UART3 674 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 675 depends on ARCH_OMAP2PLUS 676 select DEBUG_UART_8250 677 678 config DEBUG_OMAP3UART4 679 bool "Kernel low-level debugging messages via OMAP36XX UART4" 680 depends on ARCH_OMAP2PLUS 681 select DEBUG_UART_8250 682 683 config DEBUG_OMAP4UART4 684 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 685 depends on ARCH_OMAP2PLUS 686 select DEBUG_UART_8250 687 688 config DEBUG_OMAP7XXUART1 689 bool "Kernel low-level debugging via OMAP730 UART1" 690 depends on ARCH_OMAP730 691 select DEBUG_UART_8250 692 help 693 Say Y here if you want kernel low-level debugging support 694 on OMAP730 based platforms on the UART1. 695 696 config DEBUG_OMAP7XXUART2 697 bool "Kernel low-level debugging via OMAP730 UART2" 698 depends on ARCH_OMAP730 699 select DEBUG_UART_8250 700 help 701 Say Y here if you want kernel low-level debugging support 702 on OMAP730 based platforms on the UART2. 703 704 config DEBUG_OMAP7XXUART3 705 bool "Kernel low-level debugging via OMAP730 UART3" 706 depends on ARCH_OMAP730 707 select DEBUG_UART_8250 708 help 709 Say Y here if you want kernel low-level debugging support 710 on OMAP730 based platforms on the UART3. 711 712 config DEBUG_TI81XXUART1 713 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 714 depends on ARCH_OMAP2PLUS 715 select DEBUG_UART_8250 716 717 config DEBUG_TI81XXUART2 718 bool "Kernel low-level debugging messages via TI81XX UART2" 719 depends on ARCH_OMAP2PLUS 720 select DEBUG_UART_8250 721 722 config DEBUG_TI81XXUART3 723 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 724 depends on ARCH_OMAP2PLUS 725 select DEBUG_UART_8250 726 727 config DEBUG_AM33XXUART1 728 bool "Kernel low-level debugging messages via AM33XX UART1" 729 depends on ARCH_OMAP2PLUS 730 select DEBUG_UART_8250 731 732 config DEBUG_ZOOM_UART 733 bool "Kernel low-level debugging messages via Zoom2/3 UART" 734 depends on ARCH_OMAP2PLUS 735 select DEBUG_OMAP2PLUS_UART 736 737 config DEBUG_PICOXCELL_UART 738 depends on ARCH_PICOXCELL 739 bool "Use PicoXcell UART for low-level debug" 740 select DEBUG_UART_8250 741 help 742 Say Y here if you want kernel low-level debugging support 743 on PicoXcell based platforms. 744 745 config DEBUG_PXA_UART1 746 depends on ARCH_PXA 747 bool "Use PXA UART1 for low-level debug" 748 select DEBUG_UART_8250 749 help 750 Say Y here if you want kernel low-level debugging support 751 on PXA UART1. 752 753 config DEBUG_QCOM_UARTDM 754 bool "Kernel low-level debugging messages via QCOM UARTDM" 755 depends on ARCH_QCOM 756 help 757 Say Y here if you want the debug print routines to direct 758 their output to the serial port on Qualcomm devices. 759 760 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 761 APQ8064 0x16640000 0xf0040000 762 APQ8084 0xf995e000 0xfa75e000 763 IPQ4019 0x078af000 0xf78af000 764 MSM8X60 0x19c40000 0xf0040000 765 MSM8960 0x16440000 0xf0040000 766 MSM8974 0xf991e000 0xfa71e000 767 768 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 769 options based on your needs. 770 771 config DEBUG_REALVIEW_STD_PORT 772 bool "RealView Default UART" 773 depends on ARCH_REALVIEW 774 select DEBUG_UART_PL01X 775 help 776 Say Y here if you want the debug print routines to direct 777 their output to the serial port on RealView EB, PB11MP, PBA8 778 and PBX platforms. 779 780 config DEBUG_REALVIEW_PB1176_PORT 781 bool "RealView PB1176 UART" 782 depends on MACH_REALVIEW_PB1176 783 select DEBUG_UART_PL01X 784 help 785 Say Y here if you want the debug print routines to direct 786 their output to the standard serial port on the RealView 787 PB1176 platform. 788 789 config DEBUG_RV1108_UART0 790 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 791 depends on ARCH_ROCKCHIP 792 select DEBUG_UART_8250 793 help 794 Say Y here if you want kernel low-level debugging support 795 on Rockchip RV1108 based platforms. 796 797 config DEBUG_RV1108_UART1 798 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 799 depends on ARCH_ROCKCHIP 800 select DEBUG_UART_8250 801 help 802 Say Y here if you want kernel low-level debugging support 803 on Rockchip RV1108 based platforms. 804 805 config DEBUG_RV1108_UART2 806 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 807 depends on ARCH_ROCKCHIP 808 select DEBUG_UART_8250 809 help 810 Say Y here if you want kernel low-level debugging support 811 on Rockchip RV1108 based platforms. 812 813 config DEBUG_RK29_UART0 814 bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 815 depends on ARCH_ROCKCHIP 816 select DEBUG_UART_8250 817 help 818 Say Y here if you want kernel low-level debugging support 819 on Rockchip based platforms. 820 821 config DEBUG_RK29_UART1 822 bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 823 depends on ARCH_ROCKCHIP 824 select DEBUG_UART_8250 825 help 826 Say Y here if you want kernel low-level debugging support 827 on Rockchip based platforms. 828 829 config DEBUG_RK29_UART2 830 bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 831 depends on ARCH_ROCKCHIP 832 select DEBUG_UART_8250 833 help 834 Say Y here if you want kernel low-level debugging support 835 on Rockchip based platforms. 836 837 config DEBUG_RK3X_UART0 838 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 839 depends on ARCH_ROCKCHIP 840 select DEBUG_UART_8250 841 help 842 Say Y here if you want kernel low-level debugging support 843 on Rockchip based platforms. 844 845 config DEBUG_RK3X_UART1 846 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 847 depends on ARCH_ROCKCHIP 848 select DEBUG_UART_8250 849 help 850 Say Y here if you want kernel low-level debugging support 851 on Rockchip based platforms. 852 853 config DEBUG_RK3X_UART2 854 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 855 depends on ARCH_ROCKCHIP 856 select DEBUG_UART_8250 857 help 858 Say Y here if you want kernel low-level debugging support 859 on Rockchip based platforms. 860 861 config DEBUG_RK3X_UART3 862 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 863 depends on ARCH_ROCKCHIP 864 select DEBUG_UART_8250 865 help 866 Say Y here if you want kernel low-level debugging support 867 on Rockchip based platforms. 868 869 config DEBUG_RK32_UART2 870 bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 871 depends on ARCH_ROCKCHIP 872 select DEBUG_UART_8250 873 help 874 Say Y here if you want kernel low-level debugging support 875 on Rockchip RK32xx based platforms. 876 877 config DEBUG_R7S72100_SCIF2 878 bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 879 depends on ARCH_R7S72100 880 help 881 Say Y here if you want kernel low-level debugging support 882 via SCIF2 on Renesas RZ/A1H (R7S72100). 883 884 config DEBUG_RCAR_GEN1_SCIF0 885 bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 886 depends on ARCH_R8A7778 887 help 888 Say Y here if you want kernel low-level debugging support 889 via SCIF0 on Renesas R-Car M1A (R8A7778). 890 891 config DEBUG_RCAR_GEN1_SCIF2 892 bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 893 depends on ARCH_R8A7779 894 help 895 Say Y here if you want kernel low-level debugging support 896 via SCIF2 on Renesas R-Car H1 (R8A7779). 897 898 config DEBUG_RCAR_GEN2_SCIF0 899 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 900 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \ 901 ARCH_R8A7792 || ARCH_R8A7793 902 help 903 Say Y here if you want kernel low-level debugging support 904 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790), 905 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793). 906 907 config DEBUG_RCAR_GEN2_SCIF2 908 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 909 depends on ARCH_R8A7794 910 help 911 Say Y here if you want kernel low-level debugging support 912 via SCIF2 on Renesas R-Car E2 (R8A7794). 913 914 config DEBUG_RMOBILE_SCIFA0 915 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 916 depends on ARCH_R8A73A4 917 help 918 Say Y here if you want kernel low-level debugging support 919 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 920 921 config DEBUG_RMOBILE_SCIFA1 922 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 923 depends on ARCH_R8A7740 924 help 925 Say Y here if you want kernel low-level debugging support 926 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 927 928 config DEBUG_RMOBILE_SCIFA4 929 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 930 depends on ARCH_SH73A0 931 help 932 Say Y here if you want kernel low-level debugging support 933 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 934 935 config DEBUG_S3C_UART0 936 depends on PLAT_SAMSUNG 937 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 938 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 939 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 940 select DEBUG_S5PV210_UART if ARCH_S5PV210 941 bool "Use Samsung S3C UART 0 for low-level debug" 942 help 943 Say Y here if you want the debug print routines to direct 944 their output to UART 0. The port must have been initialised 945 by the boot-loader before use. 946 947 config DEBUG_S3C_UART1 948 depends on PLAT_SAMSUNG 949 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 950 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 951 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 952 select DEBUG_S5PV210_UART if ARCH_S5PV210 953 bool "Use Samsung S3C UART 1 for low-level debug" 954 help 955 Say Y here if you want the debug print routines to direct 956 their output to UART 1. The port must have been initialised 957 by the boot-loader before use. 958 959 config DEBUG_S3C_UART2 960 depends on PLAT_SAMSUNG 961 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 962 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 963 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 964 select DEBUG_S5PV210_UART if ARCH_S5PV210 965 bool "Use Samsung S3C UART 2 for low-level debug" 966 help 967 Say Y here if you want the debug print routines to direct 968 their output to UART 2. The port must have been initialised 969 by the boot-loader before use. 970 971 config DEBUG_S3C_UART3 972 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 973 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 974 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 975 select DEBUG_S5PV210_UART if ARCH_S5PV210 976 bool "Use Samsung S3C UART 3 for low-level debug" 977 help 978 Say Y here if you want the debug print routines to direct 979 their output to UART 3. The port must have been initialised 980 by the boot-loader before use. 981 982 config DEBUG_S3C2410_UART0 983 depends on ARCH_S3C24XX 984 select DEBUG_S3C2410_UART 985 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 986 help 987 Say Y here if you want the debug print routines to direct 988 their output to UART 0. The port must have been initialised 989 by the boot-loader before use. 990 991 config DEBUG_S3C2410_UART1 992 depends on ARCH_S3C24XX 993 select DEBUG_S3C2410_UART 994 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 995 help 996 Say Y here if you want the debug print routines to direct 997 their output to UART 1. The port must have been initialised 998 by the boot-loader before use. 999 1000 config DEBUG_S3C2410_UART2 1001 depends on ARCH_S3C24XX 1002 select DEBUG_S3C2410_UART 1003 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1004 help 1005 Say Y here if you want the debug print routines to direct 1006 their output to UART 2. The port must have been initialised 1007 by the boot-loader before use. 1008 1009 config DEBUG_SA1100 1010 depends on ARCH_SA1100 1011 bool "Use SA1100 UARTs for low-level debug" 1012 help 1013 Say Y here if you want kernel low-level debugging support 1014 on SA-11x0 UART ports. The kernel will check for the first 1015 enabled UART in a sequence 3-1-2. 1016 1017 config DEBUG_SOCFPGA_UART0 1018 depends on ARCH_SOCFPGA 1019 bool "Use SOCFPGA UART0 for low-level debug" 1020 select DEBUG_UART_8250 1021 help 1022 Say Y here if you want kernel low-level debugging support 1023 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1024 1025 config DEBUG_SOCFPGA_UART1 1026 depends on ARCH_SOCFPGA 1027 bool "Use SOCFPGA UART1 for low-level debug" 1028 select DEBUG_UART_8250 1029 help 1030 Say Y here if you want kernel low-level debugging support 1031 on SOCFPGA(Arria 10) based platforms. 1032 1033 1034 config DEBUG_SUN9I_UART0 1035 bool "Kernel low-level debugging messages via sun9i UART0" 1036 depends on MACH_SUN9I 1037 select DEBUG_UART_8250 1038 help 1039 Say Y here if you want kernel low-level debugging support 1040 on Allwinner A80 based platforms on the UART0. 1041 1042 config DEBUG_SUNXI_UART0 1043 bool "Kernel low-level debugging messages via sunXi UART0" 1044 depends on ARCH_SUNXI 1045 select DEBUG_UART_8250 1046 help 1047 Say Y here if you want kernel low-level debugging support 1048 on Allwinner A1X based platforms on the UART0. 1049 1050 config DEBUG_SUNXI_UART1 1051 bool "Kernel low-level debugging messages via sunXi UART1" 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 UART1. 1057 1058 config DEBUG_SUNXI_R_UART 1059 bool "Kernel low-level debugging messages via sunXi R_UART" 1060 depends on MACH_SUN6I || MACH_SUN8I 1061 select DEBUG_UART_8250 1062 help 1063 Say Y here if you want kernel low-level debugging support 1064 on Allwinner A31/A23 based platforms on the R_UART. 1065 1066 config DEBUG_SIRFPRIMA2_UART1 1067 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1068 depends on ARCH_PRIMA2 1069 select DEBUG_SIRFSOC_UART 1070 help 1071 Say Y here if you want the debug print routines to direct 1072 their output to the uart1 port on SiRFprimaII devices. 1073 1074 config DEBUG_SIRFATLAS7_UART0 1075 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1076 depends on ARCH_ATLAS7 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 uart0 port on SiRFATLAS7 devices.The uart0 1081 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1082 debug port can be very useful. 1083 1084 config DEBUG_SIRFATLAS7_UART1 1085 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1086 depends on ARCH_ATLAS7 1087 select DEBUG_SIRFSOC_UART 1088 help 1089 Say Y here if you want the debug print routines to direct 1090 their output to the uart1 port on SiRFATLAS7 devices. 1091 1092 config DEBUG_SPEAR3XX 1093 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1094 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1095 select DEBUG_UART_PL01X 1096 help 1097 Say Y here if you want kernel low-level debugging support 1098 on ST SPEAr based platforms. 1099 1100 config DEBUG_SPEAR13XX 1101 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1102 depends on ARCH_SPEAR13XX 1103 select DEBUG_UART_PL01X 1104 help 1105 Say Y here if you want kernel low-level debugging support 1106 on ST SPEAr13xx based platforms. 1107 1108 config STIH41X_DEBUG_ASC2 1109 bool "Use StiH415/416 ASC2 UART for low-level debug" 1110 depends on ARCH_STI 1111 select DEBUG_STI_UART 1112 help 1113 Say Y here if you want kernel low-level debugging support 1114 on STiH415/416 based platforms like b2000, which has 1115 default UART wired up to ASC2. 1116 1117 If unsure, say N. 1118 1119 config STIH41X_DEBUG_SBC_ASC1 1120 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1121 depends on ARCH_STI 1122 select DEBUG_STI_UART 1123 help 1124 Say Y here if you want kernel low-level debugging support 1125 on STiH415/416 based platforms like b2020. which has 1126 default UART wired up to SBC ASC1. 1127 1128 If unsure, say N. 1129 1130 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1131 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1132 depends on ARCH_TEGRA 1133 select DEBUG_TEGRA_UART 1134 help 1135 Automatically determines which UART to use for low-level 1136 debug based on the ODMDATA value. This value is part of 1137 the BCT, and is written to the boot memory device using 1138 nvflash, or other flashing tool. When bits 19:18 are 3, 1139 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1140 are UART A/B/C/D/E. 1141 1142 config TEGRA_DEBUG_UARTA 1143 bool "Kernel low-level debugging messages via Tegra UART A" 1144 depends on ARCH_TEGRA 1145 select DEBUG_TEGRA_UART 1146 help 1147 Say Y here if you want kernel low-level debugging support 1148 on Tegra based platforms. 1149 1150 config TEGRA_DEBUG_UARTB 1151 bool "Kernel low-level debugging messages via Tegra UART B" 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_UARTC 1159 bool "Kernel low-level debugging messages via Tegra UART C" 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_UARTD 1167 bool "Kernel low-level debugging messages via Tegra UART D" 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_UARTE 1175 bool "Kernel low-level debugging messages via Tegra UART E" 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 DEBUG_U300_UART 1183 bool "Kernel low-level debugging messages via U300 UART0" 1184 depends on ARCH_U300 1185 select DEBUG_UART_PL01X 1186 help 1187 Say Y here if you want the debug print routines to direct 1188 their output to the uart port on U300 devices. 1189 1190 config DEBUG_UX500_UART 1191 depends on ARCH_U8500 1192 bool "Use Ux500 UART for low-level debug" 1193 help 1194 Say Y here if you want kernel low-level debugging support 1195 on Ux500 based platforms. 1196 1197 config DEBUG_VERSATILE 1198 bool "Kernel low-level debugging messages via ARM Versatile UART" 1199 depends on ARCH_VERSATILE 1200 select DEBUG_UART_PL01X 1201 help 1202 Say Y here if you want kernel low-level debugging support 1203 on ARM Versatile platforms. 1204 1205 config DEBUG_VEXPRESS_UART0_DETECT 1206 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1207 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1208 help 1209 This option enables a simple heuristic which tries to determine 1210 the motherboard's memory map variant (original or RS1) and then 1211 choose the relevant UART0 base address. 1212 1213 Note that this will only work with standard A-class core tiles, 1214 and may fail with non-standard SMM or custom software models. 1215 1216 config DEBUG_VEXPRESS_UART0_CA9 1217 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1218 depends on ARCH_VEXPRESS 1219 select DEBUG_UART_PL01X 1220 help 1221 This option selects UART0 at 0x10009000. Except for custom models, 1222 this applies only to the V2P-CA9 tile. 1223 1224 config DEBUG_VEXPRESS_UART0_RS1 1225 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1226 depends on ARCH_VEXPRESS 1227 select DEBUG_UART_PL01X 1228 help 1229 This option selects UART0 at 0x1c090000. This applies to most 1230 of the tiles using the RS1 memory map, including all new A-class 1231 core tiles, FPGA-based SMMs and software models. 1232 1233 config DEBUG_VEXPRESS_UART0_CRX 1234 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1235 depends on ARCH_VEXPRESS && !MMU 1236 select DEBUG_UART_PL01X 1237 help 1238 This option selects UART0 at 0xb0090000. This is appropriate for 1239 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1240 1241 config DEBUG_VF_UART 1242 bool "Vybrid UART" 1243 depends on SOC_VF610 1244 help 1245 Say Y here if you want kernel low-level debugging support 1246 on Vybrid based platforms. 1247 1248 config DEBUG_VT8500_UART0 1249 bool "Use UART0 on VIA/Wondermedia SoCs" 1250 depends on ARCH_VT8500 1251 help 1252 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1253 devices, including VT8500, WM8505, WM8650 and WM8850. 1254 1255 config DEBUG_ZTE_ZX 1256 bool "Use ZTE ZX UART" 1257 select DEBUG_UART_PL01X 1258 depends on ARCH_ZX 1259 help 1260 Say Y here if you are enabling ZTE ZX296702 SOC and need 1261 debug uart support. 1262 1263 This option is preferred over the platform specific 1264 options; the platform specific options are deprecated 1265 and will be soon removed. 1266 1267 config DEBUG_ZYNQ_UART0 1268 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1269 depends on ARCH_ZYNQ 1270 help 1271 Say Y here if you want the debug print routines to direct 1272 their output to UART0 on the Zynq platform. 1273 1274 config DEBUG_ZYNQ_UART1 1275 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1276 depends on ARCH_ZYNQ 1277 help 1278 Say Y here if you want the debug print routines to direct 1279 their output to UART1 on the Zynq platform. 1280 1281 If you have a ZC702 board and want early boot messages to 1282 appear on the USB serial adaptor, select this option. 1283 1284 config DEBUG_ICEDCC 1285 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1286 help 1287 Say Y here if you want the debug print routines to direct 1288 their output to the EmbeddedICE macrocell's DCC channel using 1289 co-processor 14. This is known to work on the ARM9 style ICE 1290 channel and on the XScale with the PEEDI. 1291 1292 Note that the system will appear to hang during boot if there 1293 is nothing connected to read from the DCC. 1294 1295 config DEBUG_SEMIHOSTING 1296 bool "Kernel low-level debug output via semihosting I/O" 1297 help 1298 Semihosting enables code running on an ARM target to use 1299 the I/O facilities on a host debugger/emulator through a 1300 simple SVC call. The host debugger or emulator must have 1301 semihosting enabled for the special svc call to be trapped 1302 otherwise the kernel will crash. 1303 1304 This is known to work with OpenOCD, as well as 1305 ARM's Fast Models, or any other controlling environment 1306 that implements semihosting. 1307 1308 For more details about semihosting, please see 1309 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1310 1311 config DEBUG_LL_UART_8250 1312 bool "Kernel low-level debugging via 8250 UART" 1313 help 1314 Say Y here if you wish the debug print routes to direct 1315 their output to an 8250 UART. You can use this option 1316 to provide the parameters for the 8250 UART rather than 1317 selecting one of the platform specific options above if 1318 you know the parameters for the port. 1319 1320 This option is preferred over the platform specific 1321 options; the platform specific options are deprecated 1322 and will be soon removed. 1323 1324 config DEBUG_LL_UART_EFM32 1325 bool "Kernel low-level debugging via efm32 UART" 1326 depends on ARCH_EFM32 1327 help 1328 Say Y here if you want the debug print routines to direct 1329 their output to an UART or USART port on efm32 based 1330 machines. Use the following addresses for DEBUG_UART_PHYS: 1331 1332 0x4000c000 | USART0 1333 0x4000c400 | USART1 1334 0x4000c800 | USART2 1335 0x4000e000 | UART0 1336 0x4000e400 | UART1 1337 1338 config DEBUG_LL_UART_PL01X 1339 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1340 help 1341 Say Y here if you wish the debug print routes to direct 1342 their output to a PL01x Primecell UART. You can use 1343 this option to provide the parameters for the UART 1344 rather than selecting one of the platform specific 1345 options above if you know the parameters for the port. 1346 1347 This option is preferred over the platform specific 1348 options; the platform specific options are deprecated 1349 and will be soon removed. 1350 1351endchoice 1352 1353config DEBUG_AT91_UART 1354 bool 1355 depends on ARCH_AT91 1356 1357config DEBUG_EXYNOS_UART 1358 bool 1359 1360config DEBUG_S3C2410_UART 1361 bool 1362 select DEBUG_S3C24XX_UART 1363 1364config DEBUG_S3C24XX_UART 1365 bool 1366 1367config DEBUG_S3C64XX_UART 1368 bool 1369 1370config DEBUG_S5PV210_UART 1371 bool 1372 1373config DEBUG_OMAP2PLUS_UART 1374 bool 1375 depends on ARCH_OMAP2PLUS 1376 1377config DEBUG_IMX_UART_PORT 1378 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1379 DEBUG_IMX25_UART || \ 1380 DEBUG_IMX21_IMX27_UART || \ 1381 DEBUG_IMX31_UART || \ 1382 DEBUG_IMX35_UART || \ 1383 DEBUG_IMX50_UART || \ 1384 DEBUG_IMX51_UART || \ 1385 DEBUG_IMX53_UART || \ 1386 DEBUG_IMX6Q_UART || \ 1387 DEBUG_IMX6SL_UART || \ 1388 DEBUG_IMX6SX_UART || \ 1389 DEBUG_IMX6UL_UART || \ 1390 DEBUG_IMX7D_UART 1391 default 1 1392 depends on ARCH_MXC 1393 help 1394 Choose UART port on which kernel low-level debug messages 1395 should be output. 1396 1397config DEBUG_VF_UART_PORT 1398 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1399 default 1 1400 range 0 3 1401 depends on SOC_VF610 1402 help 1403 Choose UART port on which kernel low-level debug messages 1404 should be output. 1405 1406config DEBUG_TEGRA_UART 1407 bool 1408 depends on ARCH_TEGRA 1409 1410config DEBUG_STI_UART 1411 bool 1412 depends on ARCH_STI 1413 1414config DEBUG_SIRFSOC_UART 1415 bool 1416 depends on ARCH_SIRF 1417 1418config DEBUG_LL_INCLUDE 1419 string 1420 default "debug/sa1100.S" if DEBUG_SA1100 1421 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1422 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1423 default "debug/at91.S" if DEBUG_AT91_UART 1424 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1425 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1426 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1427 default "debug/meson.S" if DEBUG_MESON_UARTAO 1428 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1429 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1430 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1431 default "debug/icedcc.S" if DEBUG_ICEDCC 1432 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1433 DEBUG_IMX25_UART || \ 1434 DEBUG_IMX21_IMX27_UART || \ 1435 DEBUG_IMX31_UART || \ 1436 DEBUG_IMX35_UART || \ 1437 DEBUG_IMX50_UART || \ 1438 DEBUG_IMX51_UART || \ 1439 DEBUG_IMX53_UART ||\ 1440 DEBUG_IMX6Q_UART || \ 1441 DEBUG_IMX6SL_UART || \ 1442 DEBUG_IMX6SX_UART || \ 1443 DEBUG_IMX6UL_UART || \ 1444 DEBUG_IMX7D_UART 1445 default "debug/ks8695.S" if DEBUG_KS8695_UART 1446 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1447 default "debug/netx.S" if DEBUG_NETX_UART 1448 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1449 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1450 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1451 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1452 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1453 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1454 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1455 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1456 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1457 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1458 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1459 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1460 default "debug/sti.S" if DEBUG_STI_UART 1461 default "debug/tegra.S" if DEBUG_TEGRA_UART 1462 default "debug/ux500.S" if DEBUG_UX500_UART 1463 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1464 default "debug/vf.S" if DEBUG_VF_UART 1465 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1466 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1467 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1468 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1469 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1470 default "mach/debug-macro.S" 1471 1472# Compatibility options for PL01x 1473config DEBUG_UART_PL01X 1474 bool 1475 1476# Compatibility options for 8250 1477config DEBUG_UART_8250 1478 def_bool ARCH_EBSA110 || \ 1479 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1480 ARCH_RPC 1481 1482config DEBUG_UART_PHYS 1483 hex "Physical base address of debug UART" 1484 default 0x00100a00 if DEBUG_NETX_UART 1485 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1486 default 0x01c28000 if DEBUG_SUNXI_UART0 1487 default 0x01c28400 if DEBUG_SUNXI_UART1 1488 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1489 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1490 default 0x01f02800 if DEBUG_SUNXI_R_UART 1491 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1492 default 0x02531000 if DEBUG_KEYSTONE_UART1 1493 default 0x03010fe0 if ARCH_RPC 1494 default 0x07000000 if DEBUG_SUN9I_UART0 1495 default 0x09405000 if DEBUG_ZTE_ZX 1496 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1497 DEBUG_VEXPRESS_UART0_CA9 1498 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1499 default 0x10124000 if DEBUG_RK3X_UART0 1500 default 0x10126000 if DEBUG_RK3X_UART1 1501 default 0x101f1000 if DEBUG_VERSATILE 1502 default 0x101fb000 if DEBUG_NOMADIK_UART 1503 default 0x10210000 if DEBUG_RV1108_UART2 1504 default 0x10220000 if DEBUG_RV1108_UART1 1505 default 0x10230000 if DEBUG_RV1108_UART0 1506 default 0x11002000 if DEBUG_MT8127_UART0 1507 default 0x11006000 if DEBUG_MT6589_UART0 1508 default 0x11009000 if DEBUG_MT8135_UART3 1509 default 0x16000000 if DEBUG_INTEGRATOR 1510 default 0x18000300 if DEBUG_BCM_5301X 1511 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1512 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1513 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1514 default 0x20001000 if DEBUG_HIP01_UART 1515 default 0x20060000 if DEBUG_RK29_UART0 1516 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1517 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1518 default 0x20201000 if DEBUG_BCM2835 1519 default 0x3f201000 if DEBUG_BCM2836 1520 default 0x3e000000 if DEBUG_BCM_KONA_UART 1521 default 0x4000e400 if DEBUG_LL_UART_EFM32 1522 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1523 default 0x40081000 if DEBUG_LPC18XX_UART0 1524 default 0x40090000 if DEBUG_LPC32XX 1525 default 0x40100000 if DEBUG_PXA_UART1 1526 default 0x42000000 if DEBUG_GEMINI 1527 default 0x44e09000 if DEBUG_AM33XXUART1 1528 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1529 default 0x48022000 if DEBUG_TI81XXUART2 1530 default 0x48024000 if DEBUG_TI81XXUART3 1531 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1532 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1533 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1534 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1535 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1536 default 0x49020000 if DEBUG_OMAP3UART3 1537 default 0x49042000 if DEBUG_OMAP3UART4 1538 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1539 DEBUG_S3C2410_UART0) 1540 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1541 DEBUG_S3C2410_UART1) 1542 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1543 DEBUG_S3C2410_UART2) 1544 default 0x78000000 if DEBUG_CNS3XXX 1545 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1546 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1547 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1548 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1549 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1550 default 0x80010000 if DEBUG_ASM9260_UART 1551 default 0x80070000 if DEBUG_IMX23_UART 1552 default 0x80074000 if DEBUG_IMX28_UART 1553 default 0x80230000 if DEBUG_PICOXCELL_UART 1554 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1555 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1556 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1557 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1558 default 0xc0013000 if DEBUG_U300_UART 1559 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1560 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1561 default 0xd0000000 if DEBUG_SPEAR3XX 1562 default 0xd0012000 if DEBUG_MVEBU_UART0 1563 default 0xc81004c0 if DEBUG_MESON_UARTAO 1564 default 0xd4017000 if DEBUG_MMP_UART2 1565 default 0xd4018000 if DEBUG_MMP_UART3 1566 default 0xe0000000 if DEBUG_SPEAR13XX 1567 default 0xe4007000 if DEBUG_HIP04_UART 1568 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1569 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1570 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1571 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1572 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1573 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1574 default 0xf0000be0 if ARCH_EBSA110 1575 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1576 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1577 default 0xf7fc9000 if DEBUG_BERLIN_UART 1578 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1579 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1580 default 0xf991e000 if DEBUG_QCOM_UARTDM 1581 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1582 default 0xfcb00000 if DEBUG_HI3620_UART 1583 default 0xfd883000 if DEBUG_ALPINE_UART0 1584 default 0xfe800000 if ARCH_IOP32X 1585 default 0xff690000 if DEBUG_RK32_UART2 1586 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1587 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1588 default 0xffd82340 if ARCH_IOP13XX 1589 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1590 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1591 default 0xfff36000 if DEBUG_HIGHBANK_UART 1592 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1593 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1594 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1595 default 0xfffe8600 if DEBUG_BCM63XX_UART 1596 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1597 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1598 default 0xfffff700 if ARCH_IOP33X 1599 depends on ARCH_EP93XX || \ 1600 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1601 DEBUG_LL_UART_EFM32 || \ 1602 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1603 DEBUG_NETX_UART || \ 1604 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1605 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1606 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1607 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1608 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1609 DEBUG_S3C64XX_UART || \ 1610 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1611 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1612 DEBUG_AT91_UART 1613 1614config DEBUG_UART_VIRT 1615 hex "Virtual base address of debug UART" 1616 default 0xc881f000 if DEBUG_RV1108_UART2 1617 default 0xc8821000 if DEBUG_RV1108_UART1 1618 default 0xc8912000 if DEBUG_RV1108_UART0 1619 default 0xe0000a00 if DEBUG_NETX_UART 1620 default 0xe0010fe0 if ARCH_RPC 1621 default 0xf0000be0 if ARCH_EBSA110 1622 default 0xf0010000 if DEBUG_ASM9260_UART 1623 default 0xf01fb000 if DEBUG_NOMADIK_UART 1624 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1625 default 0xf1000300 if DEBUG_BCM_5301X 1626 default 0xf1002000 if DEBUG_MT8127_UART0 1627 default 0xf1006000 if DEBUG_MT6589_UART0 1628 default 0xf1009000 if DEBUG_MT8135_UART3 1629 default 0xf11f1000 if DEBUG_VERSATILE 1630 default 0xf1600000 if DEBUG_INTEGRATOR 1631 default 0xf1c28000 if DEBUG_SUNXI_UART0 1632 default 0xf1c28400 if DEBUG_SUNXI_UART1 1633 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1634 default 0xf31004c0 if DEBUG_MESON_UARTAO 1635 default 0xf4090000 if DEBUG_LPC32XX 1636 default 0xf4200000 if DEBUG_GEMINI 1637 default 0xf6200000 if DEBUG_PXA_UART1 1638 default 0xf7000000 if DEBUG_SUN9I_UART0 1639 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1640 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1641 DEBUG_S3C2410_UART0) 1642 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1643 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1644 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1645 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1646 DEBUG_S3C2410_UART1) 1647 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1648 DEBUG_S3C2410_UART2) 1649 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1650 default 0xf7fc9000 if DEBUG_BERLIN_UART 1651 default 0xf8007000 if DEBUG_HIP04_UART 1652 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1653 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1654 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1655 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1656 default 0xf9e09000 if DEBUG_AM33XXUART1 1657 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 1658 default 0xfa022000 if DEBUG_TI81XXUART2 1659 default 0xfa024000 if DEBUG_TI81XXUART3 1660 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1661 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1662 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1663 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1664 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1665 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1666 default 0xfb002000 if DEBUG_CNS3XXX 1667 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1668 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1669 default 0xfb020000 if DEBUG_OMAP3UART3 1670 default 0xfb042000 if DEBUG_OMAP3UART4 1671 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1672 default 0xfc705000 if DEBUG_ZTE_ZX 1673 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1674 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1675 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1676 default 0xfd883000 if DEBUG_ALPINE_UART0 1677 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1678 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1679 default 0xfe017000 if DEBUG_MMP_UART2 1680 default 0xfe018000 if DEBUG_MMP_UART3 1681 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1682 default 0xfe230000 if DEBUG_PICOXCELL_UART 1683 default 0xfe300000 if DEBUG_BCM_KONA_UART 1684 default 0xfe800000 if ARCH_IOP32X 1685 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1686 default 0xfeb24000 if DEBUG_RK3X_UART0 1687 default 0xfeb26000 if DEBUG_RK3X_UART1 1688 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1689 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1690 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1691 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1692 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1693 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1694 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1695 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1696 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1697 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1698 default 0xfec90000 if DEBUG_RK32_UART2 1699 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1700 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1701 default 0xfed60000 if DEBUG_RK29_UART0 1702 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1703 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1704 default 0xfedc0000 if DEBUG_EP93XX 1705 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1706 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1707 default 0xfee82340 if ARCH_IOP13XX 1708 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1709 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1710 default 0xfef36000 if DEBUG_HIGHBANK_UART 1711 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1712 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1713 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1714 default 0xfefff700 if ARCH_IOP33X 1715 default 0xff003000 if DEBUG_U300_UART 1716 default 0xffd01000 if DEBUG_HIP01_UART 1717 default DEBUG_UART_PHYS if !MMU 1718 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1719 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1720 DEBUG_NETX_UART || \ 1721 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1722 DEBUG_S3C64XX_UART || \ 1723 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1724 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1725 DEBUG_AT91_UART 1726 1727config DEBUG_UART_8250_SHIFT 1728 int "Register offset shift for the 8250 debug UART" 1729 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1730 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1731 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3 1732 default 2 1733 1734config DEBUG_UART_8250_WORD 1735 bool "Use 32-bit accesses for 8250 UART" 1736 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1737 depends on DEBUG_UART_8250_SHIFT >= 2 1738 default y if DEBUG_PICOXCELL_UART || \ 1739 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1740 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1741 DEBUG_ALPINE_UART0 || \ 1742 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1743 DEBUG_DAVINCI_DA8XX_UART2 || \ 1744 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1745 1746config DEBUG_UART_8250_PALMCHIP 1747 bool "8250 UART is Palmchip BK-310x" 1748 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1749 help 1750 Palmchip provides a UART implementation compatible with 16550 1751 except for having a different register layout. Say Y here if 1752 the debug UART is of this type. 1753 1754config DEBUG_UART_8250_FLOW_CONTROL 1755 bool "Enable flow control for 8250 UART" 1756 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1757 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1758 1759config DEBUG_UNCOMPRESS 1760 bool 1761 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1762 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1763 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1764 !DEBUG_BRCMSTB_UART 1765 help 1766 This option influences the normal decompressor output for 1767 multiplatform kernels. Normally, multiplatform kernels disable 1768 decompressor output because it is not possible to know where to 1769 send the decompressor output. 1770 1771 When this option is set, the selected DEBUG_LL output method 1772 will be re-used for normal decompressor output on multiplatform 1773 kernels. 1774 1775 1776config UNCOMPRESS_INCLUDE 1777 string 1778 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1779 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1780 default "mach/uncompress.h" 1781 1782config EARLY_PRINTK 1783 bool "Early printk" 1784 depends on DEBUG_LL 1785 help 1786 Say Y here if you want to have an early console using the 1787 kernel low-level debugging functions. Add earlyprintk to your 1788 kernel parameters to enable this console. 1789 1790config ARM_KPROBES_TEST 1791 tristate "Kprobes test module" 1792 depends on KPROBES && MODULES 1793 help 1794 Perform tests of kprobes API and instruction set simulation. 1795 1796config PID_IN_CONTEXTIDR 1797 bool "Write the current PID to the CONTEXTIDR register" 1798 depends on CPU_COPY_V6 1799 help 1800 Enabling this option causes the kernel to write the current PID to 1801 the PROCID field of the CONTEXTIDR register, at the expense of some 1802 additional instructions during context switch. Say Y here only if you 1803 are planning to use hardware trace tools with this kernel. 1804 1805source "drivers/hwtracing/coresight/Kconfig" 1806 1807endmenu 1808