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_OMAP2PLUS_UART 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_OMAP2PLUS_UART 658 659 config DEBUG_OMAP2UART3 660 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 661 depends on ARCH_OMAP2PLUS 662 select DEBUG_OMAP2PLUS_UART 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_OMAP2PLUS_UART 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_OMAP2PLUS_UART 677 678 config DEBUG_OMAP3UART4 679 bool "Kernel low-level debugging messages via OMAP36XX UART4" 680 depends on ARCH_OMAP2PLUS 681 select DEBUG_OMAP2PLUS_UART 682 683 config DEBUG_OMAP4UART4 684 bool "Kernel low-level debugging messages via OMAP4/5 UART4" 685 depends on ARCH_OMAP2PLUS 686 select DEBUG_OMAP2PLUS_UART 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_OMAP2PLUS_UART 716 717 config DEBUG_TI81XXUART2 718 bool "Kernel low-level debugging messages via TI81XX UART2" 719 depends on ARCH_OMAP2PLUS 720 select DEBUG_OMAP2PLUS_UART 721 722 config DEBUG_TI81XXUART3 723 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 724 depends on ARCH_OMAP2PLUS 725 select DEBUG_OMAP2PLUS_UART 726 727 config DEBUG_AM33XXUART1 728 bool "Kernel low-level debugging messages via AM33XX UART1" 729 depends on ARCH_OMAP2PLUS 730 select DEBUG_OMAP2PLUS_UART 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 R8A7790/R8A7791/R8A7792/R8A7793" 900 depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 901 help 902 Say Y here if you want kernel low-level debugging support 903 via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), V2H 904 (R8A7792), or M2-N (R8A7793). 905 906 config DEBUG_RCAR_GEN2_SCIF2 907 bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 908 depends on ARCH_R8A7794 909 help 910 Say Y here if you want kernel low-level debugging support 911 via SCIF2 on Renesas R-Car E2 (R8A7794). 912 913 config DEBUG_RMOBILE_SCIFA0 914 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 915 depends on ARCH_R8A73A4 916 help 917 Say Y here if you want kernel low-level debugging support 918 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 919 920 config DEBUG_RMOBILE_SCIFA1 921 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 922 depends on ARCH_R8A7740 923 help 924 Say Y here if you want kernel low-level debugging support 925 via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 926 927 config DEBUG_RMOBILE_SCIFA4 928 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 929 depends on ARCH_SH73A0 930 help 931 Say Y here if you want kernel low-level debugging support 932 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 933 934 config DEBUG_S3C_UART0 935 depends on PLAT_SAMSUNG 936 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 937 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 938 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 939 select DEBUG_S5PV210_UART if ARCH_S5PV210 940 bool "Use Samsung S3C UART 0 for low-level debug" 941 help 942 Say Y here if you want the debug print routines to direct 943 their output to UART 0. The port must have been initialised 944 by the boot-loader before use. 945 946 config DEBUG_S3C_UART1 947 depends on PLAT_SAMSUNG 948 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 949 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 950 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 951 select DEBUG_S5PV210_UART if ARCH_S5PV210 952 bool "Use Samsung S3C UART 1 for low-level debug" 953 help 954 Say Y here if you want the debug print routines to direct 955 their output to UART 1. The port must have been initialised 956 by the boot-loader before use. 957 958 config DEBUG_S3C_UART2 959 depends on PLAT_SAMSUNG 960 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 961 select DEBUG_S3C24XX_UART if ARCH_S3C24XX 962 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 963 select DEBUG_S5PV210_UART if ARCH_S5PV210 964 bool "Use Samsung S3C UART 2 for low-level debug" 965 help 966 Say Y here if you want the debug print routines to direct 967 their output to UART 2. The port must have been initialised 968 by the boot-loader before use. 969 970 config DEBUG_S3C_UART3 971 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210) 972 select DEBUG_EXYNOS_UART if ARCH_EXYNOS 973 select DEBUG_S3C64XX_UART if ARCH_S3C64XX 974 select DEBUG_S5PV210_UART if ARCH_S5PV210 975 bool "Use Samsung S3C UART 3 for low-level debug" 976 help 977 Say Y here if you want the debug print routines to direct 978 their output to UART 3. The port must have been initialised 979 by the boot-loader before use. 980 981 config DEBUG_S3C2410_UART0 982 depends on ARCH_S3C24XX 983 select DEBUG_S3C2410_UART 984 bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 985 help 986 Say Y here if you want the debug print routines to direct 987 their output to UART 0. The port must have been initialised 988 by the boot-loader before use. 989 990 config DEBUG_S3C2410_UART1 991 depends on ARCH_S3C24XX 992 select DEBUG_S3C2410_UART 993 bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 994 help 995 Say Y here if you want the debug print routines to direct 996 their output to UART 1. The port must have been initialised 997 by the boot-loader before use. 998 999 config DEBUG_S3C2410_UART2 1000 depends on ARCH_S3C24XX 1001 select DEBUG_S3C2410_UART 1002 bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1003 help 1004 Say Y here if you want the debug print routines to direct 1005 their output to UART 2. The port must have been initialised 1006 by the boot-loader before use. 1007 1008 config DEBUG_SA1100 1009 depends on ARCH_SA1100 1010 bool "Use SA1100 UARTs for low-level debug" 1011 help 1012 Say Y here if you want kernel low-level debugging support 1013 on SA-11x0 UART ports. The kernel will check for the first 1014 enabled UART in a sequence 3-1-2. 1015 1016 config DEBUG_SOCFPGA_UART0 1017 depends on ARCH_SOCFPGA 1018 bool "Use SOCFPGA UART0 for low-level debug" 1019 select DEBUG_UART_8250 1020 help 1021 Say Y here if you want kernel low-level debugging support 1022 on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1023 1024 config DEBUG_SOCFPGA_UART1 1025 depends on ARCH_SOCFPGA 1026 bool "Use SOCFPGA UART1 for low-level debug" 1027 select DEBUG_UART_8250 1028 help 1029 Say Y here if you want kernel low-level debugging support 1030 on SOCFPGA(Arria 10) based platforms. 1031 1032 1033 config DEBUG_SUN9I_UART0 1034 bool "Kernel low-level debugging messages via sun9i UART0" 1035 depends on MACH_SUN9I 1036 select DEBUG_UART_8250 1037 help 1038 Say Y here if you want kernel low-level debugging support 1039 on Allwinner A80 based platforms on the UART0. 1040 1041 config DEBUG_SUNXI_UART0 1042 bool "Kernel low-level debugging messages via sunXi UART0" 1043 depends on ARCH_SUNXI 1044 select DEBUG_UART_8250 1045 help 1046 Say Y here if you want kernel low-level debugging support 1047 on Allwinner A1X based platforms on the UART0. 1048 1049 config DEBUG_SUNXI_UART1 1050 bool "Kernel low-level debugging messages via sunXi UART1" 1051 depends on ARCH_SUNXI 1052 select DEBUG_UART_8250 1053 help 1054 Say Y here if you want kernel low-level debugging support 1055 on Allwinner A1X based platforms on the UART1. 1056 1057 config DEBUG_SUNXI_R_UART 1058 bool "Kernel low-level debugging messages via sunXi R_UART" 1059 depends on MACH_SUN6I || MACH_SUN8I 1060 select DEBUG_UART_8250 1061 help 1062 Say Y here if you want kernel low-level debugging support 1063 on Allwinner A31/A23 based platforms on the R_UART. 1064 1065 config DEBUG_SIRFPRIMA2_UART1 1066 bool "Kernel low-level debugging messages via SiRFprimaII UART1" 1067 depends on ARCH_PRIMA2 1068 select DEBUG_SIRFSOC_UART 1069 help 1070 Say Y here if you want the debug print routines to direct 1071 their output to the uart1 port on SiRFprimaII devices. 1072 1073 config DEBUG_SIRFATLAS7_UART0 1074 bool "Kernel low-level debugging messages via SiRFatlas7 UART0" 1075 depends on ARCH_ATLAS7 1076 select DEBUG_SIRFSOC_UART 1077 help 1078 Say Y here if you want the debug print routines to direct 1079 their output to the uart0 port on SiRFATLAS7 devices.The uart0 1080 is used on SiRFATLAS7 as a extra debug port.sometimes an extra 1081 debug port can be very useful. 1082 1083 config DEBUG_SIRFATLAS7_UART1 1084 bool "Kernel low-level debugging messages via SiRFatlas7 UART1" 1085 depends on ARCH_ATLAS7 1086 select DEBUG_SIRFSOC_UART 1087 help 1088 Say Y here if you want the debug print routines to direct 1089 their output to the uart1 port on SiRFATLAS7 devices. 1090 1091 config DEBUG_SPEAR3XX 1092 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1093 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1094 select DEBUG_UART_PL01X 1095 help 1096 Say Y here if you want kernel low-level debugging support 1097 on ST SPEAr based platforms. 1098 1099 config DEBUG_SPEAR13XX 1100 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1101 depends on ARCH_SPEAR13XX 1102 select DEBUG_UART_PL01X 1103 help 1104 Say Y here if you want kernel low-level debugging support 1105 on ST SPEAr13xx based platforms. 1106 1107 config STIH41X_DEBUG_ASC2 1108 bool "Use StiH415/416 ASC2 UART for low-level debug" 1109 depends on ARCH_STI 1110 select DEBUG_STI_UART 1111 help 1112 Say Y here if you want kernel low-level debugging support 1113 on STiH415/416 based platforms like b2000, which has 1114 default UART wired up to ASC2. 1115 1116 If unsure, say N. 1117 1118 config STIH41X_DEBUG_SBC_ASC1 1119 bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1120 depends on ARCH_STI 1121 select DEBUG_STI_UART 1122 help 1123 Say Y here if you want kernel low-level debugging support 1124 on STiH415/416 based platforms like b2020. which has 1125 default UART wired up to SBC ASC1. 1126 1127 If unsure, say N. 1128 1129 config TEGRA_DEBUG_UART_AUTO_ODMDATA 1130 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 1131 depends on ARCH_TEGRA 1132 select DEBUG_TEGRA_UART 1133 help 1134 Automatically determines which UART to use for low-level 1135 debug based on the ODMDATA value. This value is part of 1136 the BCT, and is written to the boot memory device using 1137 nvflash, or other flashing tool. When bits 19:18 are 3, 1138 then bits 17:15 indicate which UART to use; 0/1/2/3/4 1139 are UART A/B/C/D/E. 1140 1141 config TEGRA_DEBUG_UARTA 1142 bool "Kernel low-level debugging messages via Tegra UART A" 1143 depends on ARCH_TEGRA 1144 select DEBUG_TEGRA_UART 1145 help 1146 Say Y here if you want kernel low-level debugging support 1147 on Tegra based platforms. 1148 1149 config TEGRA_DEBUG_UARTB 1150 bool "Kernel low-level debugging messages via Tegra UART B" 1151 depends on ARCH_TEGRA 1152 select DEBUG_TEGRA_UART 1153 help 1154 Say Y here if you want kernel low-level debugging support 1155 on Tegra based platforms. 1156 1157 config TEGRA_DEBUG_UARTC 1158 bool "Kernel low-level debugging messages via Tegra UART C" 1159 depends on ARCH_TEGRA 1160 select DEBUG_TEGRA_UART 1161 help 1162 Say Y here if you want kernel low-level debugging support 1163 on Tegra based platforms. 1164 1165 config TEGRA_DEBUG_UARTD 1166 bool "Kernel low-level debugging messages via Tegra UART D" 1167 depends on ARCH_TEGRA 1168 select DEBUG_TEGRA_UART 1169 help 1170 Say Y here if you want kernel low-level debugging support 1171 on Tegra based platforms. 1172 1173 config TEGRA_DEBUG_UARTE 1174 bool "Kernel low-level debugging messages via Tegra UART E" 1175 depends on ARCH_TEGRA 1176 select DEBUG_TEGRA_UART 1177 help 1178 Say Y here if you want kernel low-level debugging support 1179 on Tegra based platforms. 1180 1181 config DEBUG_U300_UART 1182 bool "Kernel low-level debugging messages via U300 UART0" 1183 depends on ARCH_U300 1184 select DEBUG_UART_PL01X 1185 help 1186 Say Y here if you want the debug print routines to direct 1187 their output to the uart port on U300 devices. 1188 1189 config DEBUG_UX500_UART 1190 depends on ARCH_U8500 1191 bool "Use Ux500 UART for low-level debug" 1192 help 1193 Say Y here if you want kernel low-level debugging support 1194 on Ux500 based platforms. 1195 1196 config DEBUG_VERSATILE 1197 bool "Kernel low-level debugging messages via ARM Versatile UART" 1198 depends on ARCH_VERSATILE 1199 select DEBUG_UART_PL01X 1200 help 1201 Say Y here if you want kernel low-level debugging support 1202 on ARM Versatile platforms. 1203 1204 config DEBUG_VEXPRESS_UART0_DETECT 1205 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 1206 depends on ARCH_VEXPRESS && CPU_CP15_MMU 1207 help 1208 This option enables a simple heuristic which tries to determine 1209 the motherboard's memory map variant (original or RS1) and then 1210 choose the relevant UART0 base address. 1211 1212 Note that this will only work with standard A-class core tiles, 1213 and may fail with non-standard SMM or custom software models. 1214 1215 config DEBUG_VEXPRESS_UART0_CA9 1216 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 1217 depends on ARCH_VEXPRESS 1218 select DEBUG_UART_PL01X 1219 help 1220 This option selects UART0 at 0x10009000. Except for custom models, 1221 this applies only to the V2P-CA9 tile. 1222 1223 config DEBUG_VEXPRESS_UART0_RS1 1224 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 1225 depends on ARCH_VEXPRESS 1226 select DEBUG_UART_PL01X 1227 help 1228 This option selects UART0 at 0x1c090000. This applies to most 1229 of the tiles using the RS1 memory map, including all new A-class 1230 core tiles, FPGA-based SMMs and software models. 1231 1232 config DEBUG_VEXPRESS_UART0_CRX 1233 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1234 depends on ARCH_VEXPRESS && !MMU 1235 select DEBUG_UART_PL01X 1236 help 1237 This option selects UART0 at 0xb0090000. This is appropriate for 1238 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1239 1240 config DEBUG_VF_UART 1241 bool "Vybrid UART" 1242 depends on SOC_VF610 1243 help 1244 Say Y here if you want kernel low-level debugging support 1245 on Vybrid based platforms. 1246 1247 config DEBUG_VT8500_UART0 1248 bool "Use UART0 on VIA/Wondermedia SoCs" 1249 depends on ARCH_VT8500 1250 help 1251 This option selects UART0 on VIA/Wondermedia System-on-a-chip 1252 devices, including VT8500, WM8505, WM8650 and WM8850. 1253 1254 config DEBUG_ZTE_ZX 1255 bool "Use ZTE ZX UART" 1256 select DEBUG_UART_PL01X 1257 depends on ARCH_ZX 1258 help 1259 Say Y here if you are enabling ZTE ZX296702 SOC and need 1260 debug uart support. 1261 1262 This option is preferred over the platform specific 1263 options; the platform specific options are deprecated 1264 and will be soon removed. 1265 1266 config DEBUG_ZYNQ_UART0 1267 bool "Kernel low-level debugging on Xilinx Zynq using UART0" 1268 depends on ARCH_ZYNQ 1269 help 1270 Say Y here if you want the debug print routines to direct 1271 their output to UART0 on the Zynq platform. 1272 1273 config DEBUG_ZYNQ_UART1 1274 bool "Kernel low-level debugging on Xilinx Zynq using UART1" 1275 depends on ARCH_ZYNQ 1276 help 1277 Say Y here if you want the debug print routines to direct 1278 their output to UART1 on the Zynq platform. 1279 1280 If you have a ZC702 board and want early boot messages to 1281 appear on the USB serial adaptor, select this option. 1282 1283 config DEBUG_ICEDCC 1284 bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1285 help 1286 Say Y here if you want the debug print routines to direct 1287 their output to the EmbeddedICE macrocell's DCC channel using 1288 co-processor 14. This is known to work on the ARM9 style ICE 1289 channel and on the XScale with the PEEDI. 1290 1291 Note that the system will appear to hang during boot if there 1292 is nothing connected to read from the DCC. 1293 1294 config DEBUG_SEMIHOSTING 1295 bool "Kernel low-level debug output via semihosting I/O" 1296 help 1297 Semihosting enables code running on an ARM target to use 1298 the I/O facilities on a host debugger/emulator through a 1299 simple SVC call. The host debugger or emulator must have 1300 semihosting enabled for the special svc call to be trapped 1301 otherwise the kernel will crash. 1302 1303 This is known to work with OpenOCD, as well as 1304 ARM's Fast Models, or any other controlling environment 1305 that implements semihosting. 1306 1307 For more details about semihosting, please see 1308 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1309 1310 config DEBUG_LL_UART_8250 1311 bool "Kernel low-level debugging via 8250 UART" 1312 help 1313 Say Y here if you wish the debug print routes to direct 1314 their output to an 8250 UART. You can use this option 1315 to provide the parameters for the 8250 UART rather than 1316 selecting one of the platform specific options above if 1317 you know the parameters for the port. 1318 1319 This option is preferred over the platform specific 1320 options; the platform specific options are deprecated 1321 and will be soon removed. 1322 1323 config DEBUG_LL_UART_EFM32 1324 bool "Kernel low-level debugging via efm32 UART" 1325 depends on ARCH_EFM32 1326 help 1327 Say Y here if you want the debug print routines to direct 1328 their output to an UART or USART port on efm32 based 1329 machines. Use the following addresses for DEBUG_UART_PHYS: 1330 1331 0x4000c000 | USART0 1332 0x4000c400 | USART1 1333 0x4000c800 | USART2 1334 0x4000e000 | UART0 1335 0x4000e400 | UART1 1336 1337 config DEBUG_LL_UART_PL01X 1338 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1339 help 1340 Say Y here if you wish the debug print routes to direct 1341 their output to a PL01x Primecell UART. You can use 1342 this option to provide the parameters for the UART 1343 rather than selecting one of the platform specific 1344 options above if you know the parameters for the port. 1345 1346 This option is preferred over the platform specific 1347 options; the platform specific options are deprecated 1348 and will be soon removed. 1349 1350endchoice 1351 1352config DEBUG_AT91_UART 1353 bool 1354 depends on ARCH_AT91 1355 1356config DEBUG_EXYNOS_UART 1357 bool 1358 1359config DEBUG_S3C2410_UART 1360 bool 1361 select DEBUG_S3C24XX_UART 1362 1363config DEBUG_S3C24XX_UART 1364 bool 1365 1366config DEBUG_S3C64XX_UART 1367 bool 1368 1369config DEBUG_S5PV210_UART 1370 bool 1371 1372config DEBUG_OMAP2PLUS_UART 1373 bool 1374 depends on ARCH_OMAP2PLUS 1375 1376config DEBUG_IMX_UART_PORT 1377 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \ 1378 DEBUG_IMX25_UART || \ 1379 DEBUG_IMX21_IMX27_UART || \ 1380 DEBUG_IMX31_UART || \ 1381 DEBUG_IMX35_UART || \ 1382 DEBUG_IMX50_UART || \ 1383 DEBUG_IMX51_UART || \ 1384 DEBUG_IMX53_UART || \ 1385 DEBUG_IMX6Q_UART || \ 1386 DEBUG_IMX6SL_UART || \ 1387 DEBUG_IMX6SX_UART || \ 1388 DEBUG_IMX6UL_UART || \ 1389 DEBUG_IMX7D_UART 1390 default 1 1391 depends on ARCH_MXC 1392 help 1393 Choose UART port on which kernel low-level debug messages 1394 should be output. 1395 1396config DEBUG_VF_UART_PORT 1397 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1398 default 1 1399 range 0 3 1400 depends on SOC_VF610 1401 help 1402 Choose UART port on which kernel low-level debug messages 1403 should be output. 1404 1405config DEBUG_TEGRA_UART 1406 bool 1407 depends on ARCH_TEGRA 1408 1409config DEBUG_STI_UART 1410 bool 1411 depends on ARCH_STI 1412 1413config DEBUG_SIRFSOC_UART 1414 bool 1415 depends on ARCH_SIRF 1416 1417config DEBUG_LL_INCLUDE 1418 string 1419 default "debug/sa1100.S" if DEBUG_SA1100 1420 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1421 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 1422 default "debug/at91.S" if DEBUG_AT91_UART 1423 default "debug/asm9260.S" if DEBUG_ASM9260_UART 1424 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 1425 default "debug/dc21285.S" if DEBUG_DC21285_PORT 1426 default "debug/meson.S" if DEBUG_MESON_UARTAO 1427 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1428 default "debug/exynos.S" if DEBUG_EXYNOS_UART 1429 default "debug/efm32.S" if DEBUG_LL_UART_EFM32 1430 default "debug/icedcc.S" if DEBUG_ICEDCC 1431 default "debug/imx.S" if DEBUG_IMX1_UART || \ 1432 DEBUG_IMX25_UART || \ 1433 DEBUG_IMX21_IMX27_UART || \ 1434 DEBUG_IMX31_UART || \ 1435 DEBUG_IMX35_UART || \ 1436 DEBUG_IMX50_UART || \ 1437 DEBUG_IMX51_UART || \ 1438 DEBUG_IMX53_UART ||\ 1439 DEBUG_IMX6Q_UART || \ 1440 DEBUG_IMX6SL_UART || \ 1441 DEBUG_IMX6SX_UART || \ 1442 DEBUG_IMX6UL_UART || \ 1443 DEBUG_IMX7D_UART 1444 default "debug/ks8695.S" if DEBUG_KS8695_UART 1445 default "debug/msm.S" if DEBUG_QCOM_UARTDM 1446 default "debug/netx.S" if DEBUG_NETX_UART 1447 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 1448 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1449 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 1450 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 1451 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 1452 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 1453 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 1454 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 1455 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1456 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 1457 default "debug/s5pv210.S" if DEBUG_S5PV210_UART 1458 default "debug/sirf.S" if DEBUG_SIRFSOC_UART 1459 default "debug/sti.S" if DEBUG_STI_UART 1460 default "debug/tegra.S" if DEBUG_TEGRA_UART 1461 default "debug/ux500.S" if DEBUG_UX500_UART 1462 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1463 default "debug/vf.S" if DEBUG_VF_UART 1464 default "debug/vt8500.S" if DEBUG_VT8500_UART0 1465 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 1466 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1467 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1468 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 1469 default "mach/debug-macro.S" 1470 1471# Compatibility options for PL01x 1472config DEBUG_UART_PL01X 1473 bool 1474 1475# Compatibility options for 8250 1476config DEBUG_UART_8250 1477 def_bool ARCH_EBSA110 || \ 1478 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \ 1479 ARCH_RPC 1480 1481config DEBUG_UART_PHYS 1482 hex "Physical base address of debug UART" 1483 default 0x00100a00 if DEBUG_NETX_UART 1484 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0 1485 default 0x01c28000 if DEBUG_SUNXI_UART0 1486 default 0x01c28400 if DEBUG_SUNXI_UART1 1487 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 1488 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1489 default 0x01f02800 if DEBUG_SUNXI_R_UART 1490 default 0x02530c00 if DEBUG_KEYSTONE_UART0 1491 default 0x02531000 if DEBUG_KEYSTONE_UART1 1492 default 0x03010fe0 if ARCH_RPC 1493 default 0x07000000 if DEBUG_SUN9I_UART0 1494 default 0x09405000 if DEBUG_ZTE_ZX 1495 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 1496 DEBUG_VEXPRESS_UART0_CA9 1497 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1498 default 0x10124000 if DEBUG_RK3X_UART0 1499 default 0x10126000 if DEBUG_RK3X_UART1 1500 default 0x101f1000 if DEBUG_VERSATILE 1501 default 0x101fb000 if DEBUG_NOMADIK_UART 1502 default 0x10210000 if DEBUG_RV1108_UART2 1503 default 0x10220000 if DEBUG_RV1108_UART1 1504 default 0x10230000 if DEBUG_RV1108_UART0 1505 default 0x11002000 if DEBUG_MT8127_UART0 1506 default 0x11006000 if DEBUG_MT6589_UART0 1507 default 0x11009000 if DEBUG_MT8135_UART3 1508 default 0x16000000 if DEBUG_INTEGRATOR 1509 default 0x18000300 if DEBUG_BCM_5301X 1510 default 0x18010000 if DEBUG_SIRFATLAS7_UART0 1511 default 0x18020000 if DEBUG_SIRFATLAS7_UART1 1512 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1513 default 0x20001000 if DEBUG_HIP01_UART 1514 default 0x20060000 if DEBUG_RK29_UART0 1515 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1516 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1517 default 0x20201000 if DEBUG_BCM2835 1518 default 0x3f201000 if DEBUG_BCM2836 1519 default 0x3e000000 if DEBUG_BCM_KONA_UART 1520 default 0x4000e400 if DEBUG_LL_UART_EFM32 1521 default 0x40028000 if DEBUG_AT91_SAMV7_USART1 1522 default 0x40081000 if DEBUG_LPC18XX_UART0 1523 default 0x40090000 if DEBUG_LPC32XX 1524 default 0x40100000 if DEBUG_PXA_UART1 1525 default 0x42000000 if DEBUG_GEMINI 1526 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1527 DEBUG_S3C2410_UART0) 1528 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1529 DEBUG_S3C2410_UART1) 1530 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1531 DEBUG_S3C2410_UART2) 1532 default 0x78000000 if DEBUG_CNS3XXX 1533 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1534 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1535 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1536 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1537 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1538 default 0x80010000 if DEBUG_ASM9260_UART 1539 default 0x80070000 if DEBUG_IMX23_UART 1540 default 0x80074000 if DEBUG_IMX28_UART 1541 default 0x80230000 if DEBUG_PICOXCELL_UART 1542 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 1543 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1544 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1 1545 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1546 default 0xc0013000 if DEBUG_U300_UART 1547 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1548 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1549 default 0xd0000000 if DEBUG_SPEAR3XX 1550 default 0xd0012000 if DEBUG_MVEBU_UART0 1551 default 0xc81004c0 if DEBUG_MESON_UARTAO 1552 default 0xd4017000 if DEBUG_MMP_UART2 1553 default 0xd4018000 if DEBUG_MMP_UART3 1554 default 0xe0000000 if DEBUG_SPEAR13XX 1555 default 0xe4007000 if DEBUG_HIP04_UART 1556 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 1557 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 1558 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 1559 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 1560 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 1561 default 0xe8008000 if DEBUG_R7S72100_SCIF2 1562 default 0xf0000be0 if ARCH_EBSA110 1563 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1564 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1565 default 0xf7fc9000 if DEBUG_BERLIN_UART 1566 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 1567 default 0xf8b00000 if DEBUG_HIX5HD2_UART 1568 default 0xf991e000 if DEBUG_QCOM_UARTDM 1569 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 1570 default 0xfcb00000 if DEBUG_HI3620_UART 1571 default 0xfd883000 if DEBUG_ALPINE_UART0 1572 default 0xfe800000 if ARCH_IOP32X 1573 default 0xff690000 if DEBUG_RK32_UART2 1574 default 0xffc02000 if DEBUG_SOCFPGA_UART0 1575 default 0xffc02100 if DEBUG_SOCFPGA_UART1 1576 default 0xffd82340 if ARCH_IOP13XX 1577 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 1578 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 1579 default 0xfff36000 if DEBUG_HIGHBANK_UART 1580 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1581 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1582 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1583 default 0xfffe8600 if DEBUG_BCM63XX_UART 1584 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 1585 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1586 default 0xfffff700 if ARCH_IOP33X 1587 depends on ARCH_EP93XX || \ 1588 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1589 DEBUG_LL_UART_EFM32 || \ 1590 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1591 DEBUG_NETX_UART || \ 1592 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1593 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 1594 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \ 1595 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 1596 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1597 DEBUG_S3C64XX_UART || \ 1598 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1599 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1600 DEBUG_AT91_UART 1601 1602config DEBUG_UART_VIRT 1603 hex "Virtual base address of debug UART" 1604 default 0xc881f000 if DEBUG_RV1108_UART2 1605 default 0xc8821000 if DEBUG_RV1108_UART1 1606 default 0xc8912000 if DEBUG_RV1108_UART0 1607 default 0xe0000a00 if DEBUG_NETX_UART 1608 default 0xe0010fe0 if ARCH_RPC 1609 default 0xf0000be0 if ARCH_EBSA110 1610 default 0xf0010000 if DEBUG_ASM9260_UART 1611 default 0xf01fb000 if DEBUG_NOMADIK_UART 1612 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1613 default 0xf1000300 if DEBUG_BCM_5301X 1614 default 0xf1002000 if DEBUG_MT8127_UART0 1615 default 0xf1006000 if DEBUG_MT6589_UART0 1616 default 0xf1009000 if DEBUG_MT8135_UART3 1617 default 0xf11f1000 if DEBUG_VERSATILE 1618 default 0xf1600000 if DEBUG_INTEGRATOR 1619 default 0xf1c28000 if DEBUG_SUNXI_UART0 1620 default 0xf1c28400 if DEBUG_SUNXI_UART1 1621 default 0xf1f02800 if DEBUG_SUNXI_R_UART 1622 default 0xf31004c0 if DEBUG_MESON_UARTAO 1623 default 0xf4090000 if DEBUG_LPC32XX 1624 default 0xf4200000 if DEBUG_GEMINI 1625 default 0xf6200000 if DEBUG_PXA_UART1 1626 default 0xf7000000 if DEBUG_SUN9I_UART0 1627 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1628 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 1629 DEBUG_S3C2410_UART0) 1630 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1631 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1632 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1633 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 1634 DEBUG_S3C2410_UART1) 1635 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 1636 DEBUG_S3C2410_UART2) 1637 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1638 default 0xf7fc9000 if DEBUG_BERLIN_UART 1639 default 0xf8007000 if DEBUG_HIP04_UART 1640 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 1641 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 1642 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 1643 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 1644 default 0xfa71e000 if DEBUG_QCOM_UARTDM 1645 default 0xfb002000 if DEBUG_CNS3XXX 1646 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 1647 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1648 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 1649 default 0xfc705000 if DEBUG_ZTE_ZX 1650 default 0xfcfe8600 if DEBUG_BCM63XX_UART 1651 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 1652 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0 1653 default 0xfd883000 if DEBUG_ALPINE_UART0 1654 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE 1655 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X 1656 default 0xfe017000 if DEBUG_MMP_UART2 1657 default 0xfe018000 if DEBUG_MMP_UART3 1658 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1659 default 0xfe230000 if DEBUG_PICOXCELL_UART 1660 default 0xfe300000 if DEBUG_BCM_KONA_UART 1661 default 0xfe800000 if ARCH_IOP32X 1662 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1663 default 0xfeb24000 if DEBUG_RK3X_UART0 1664 default 0xfeb26000 if DEBUG_RK3X_UART1 1665 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1666 default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1667 default 0xfec02000 if DEBUG_SOCFPGA_UART0 1668 default 0xfec02100 if DEBUG_SOCFPGA_UART1 1669 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU 1670 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1671 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0 1672 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0 1673 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1 1674 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1 1675 default 0xfec90000 if DEBUG_RK32_UART2 1676 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1677 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 1678 default 0xfed60000 if DEBUG_RK29_UART0 1679 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1680 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1681 default 0xfedc0000 if DEBUG_EP93XX 1682 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 1683 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1684 default 0xfee82340 if ARCH_IOP13XX 1685 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1686 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1687 default 0xfef36000 if DEBUG_HIGHBANK_UART 1688 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1 1689 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2 1690 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3 1691 default 0xfefff700 if ARCH_IOP33X 1692 default 0xff003000 if DEBUG_U300_UART 1693 default 0xffd01000 if DEBUG_HIP01_UART 1694 default DEBUG_UART_PHYS if !MMU 1695 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1696 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 1697 DEBUG_NETX_UART || \ 1698 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1699 DEBUG_S3C64XX_UART || \ 1700 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1701 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \ 1702 DEBUG_AT91_UART 1703 1704config DEBUG_UART_8250_SHIFT 1705 int "Register offset shift for the 8250 debug UART" 1706 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1707 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \ 1708 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3 1709 default 2 1710 1711config DEBUG_UART_8250_WORD 1712 bool "Use 32-bit accesses for 8250 UART" 1713 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1714 depends on DEBUG_UART_8250_SHIFT >= 2 1715 default y if DEBUG_PICOXCELL_UART || \ 1716 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \ 1717 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \ 1718 DEBUG_ALPINE_UART0 || \ 1719 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \ 1720 DEBUG_DAVINCI_DA8XX_UART2 || \ 1721 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 1722 1723config DEBUG_UART_8250_PALMCHIP 1724 bool "8250 UART is Palmchip BK-310x" 1725 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1726 help 1727 Palmchip provides a UART implementation compatible with 16550 1728 except for having a different register layout. Say Y here if 1729 the debug UART is of this type. 1730 1731config DEBUG_UART_8250_FLOW_CONTROL 1732 bool "Enable flow control for 8250 UART" 1733 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1734 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 1735 1736config DEBUG_UNCOMPRESS 1737 bool 1738 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1739 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1740 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 1741 !DEBUG_BRCMSTB_UART 1742 help 1743 This option influences the normal decompressor output for 1744 multiplatform kernels. Normally, multiplatform kernels disable 1745 decompressor output because it is not possible to know where to 1746 send the decompressor output. 1747 1748 When this option is set, the selected DEBUG_LL output method 1749 will be re-used for normal decompressor output on multiplatform 1750 kernels. 1751 1752 1753config UNCOMPRESS_INCLUDE 1754 string 1755 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ 1756 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M 1757 default "mach/uncompress.h" 1758 1759config EARLY_PRINTK 1760 bool "Early printk" 1761 depends on DEBUG_LL 1762 help 1763 Say Y here if you want to have an early console using the 1764 kernel low-level debugging functions. Add earlyprintk to your 1765 kernel parameters to enable this console. 1766 1767config ARM_KPROBES_TEST 1768 tristate "Kprobes test module" 1769 depends on KPROBES && MODULES 1770 help 1771 Perform tests of kprobes API and instruction set simulation. 1772 1773config PID_IN_CONTEXTIDR 1774 bool "Write the current PID to the CONTEXTIDR register" 1775 depends on CPU_COPY_V6 1776 help 1777 Enabling this option causes the kernel to write the current PID to 1778 the PROCID field of the CONTEXTIDR register, at the expense of some 1779 additional instructions during context switch. Say Y here only if you 1780 are planning to use hardware trace tools with this kernel. 1781 1782source "drivers/hwtracing/coresight/Kconfig" 1783 1784endmenu 1785