1 # SPDX-License-Identifier: GPL-2.0
6 config ARM_PTDUMP_DEBUGFS
7 bool "Export kernel pagetable layout to userspace via debugfs"
8 depends on DEBUG_KERNEL
10 select ARM_PTDUMP_CORE
13 Say Y here if you want to show the kernel pagetable layout in a
14 debugfs file. This information is only useful for kernel developers
15 who are working in architecture specific areas of the kernel.
16 It is probably not a good idea to enable this feature in a production
21 bool "Warn on W+X mappings at boot"
23 select ARM_PTDUMP_CORE
25 Generate a warning if any W+X mappings are found at boot.
27 This is useful for discovering cases where the kernel is leaving
28 W+X mappings after applying NX, as such mappings are a security risk.
30 Look for a message in dmesg output like this:
32 arm/mm: Checked W+X mappings: passed, no W+X pages found.
34 or like this, if the check failed:
36 arm/mm: Checked W+X mappings: FAILED, <N> W+X pages found.
38 Note that even if the check fails, your kernel is possibly
39 still fine, as W+X mappings are not a security hole in
40 themselves, what they do is that they make the exploitation
41 of other unfixed kernel bugs easier.
43 There is no runtime or memory usage effect of this option
44 once the kernel has booted up - it's a one time check.
49 prompt "Choose kernel unwinder"
50 default UNWINDER_ARM if AEABI && !FUNCTION_GRAPH_TRACER
51 default UNWINDER_FRAME_POINTER if !AEABI || FUNCTION_GRAPH_TRACER
53 This determines which method will be used for unwinding kernel stack
54 traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack,
55 livepatch, lockdep, and more.
57 config UNWINDER_FRAME_POINTER
58 bool "Frame pointer unwinder"
59 depends on !THUMB2_KERNEL && !CC_IS_CLANG
60 select ARCH_WANT_FRAME_POINTERS
63 This option enables the frame pointer unwinder for unwinding
67 bool "ARM EABI stack unwinder"
71 This option enables stack unwinding support in the kernel
72 using the information automatically generated by the
73 compiler. The resulting kernel image is slightly bigger but
74 the performance is not affected. Currently, this feature
75 only works with EABI compilers.
86 bool "Verbose user fault messages"
88 When a user program crashes due to an exception, the kernel can
89 print a brief message explaining what the problem was. This is
90 sometimes helpful for debugging but serves no purpose on a
91 production system. Most people should say N here.
93 In addition, you need to pass user_debug=N on the kernel command
94 line to enable this feature. N consists of the sum of:
96 1 - undefined instruction events
98 4 - invalid data aborts
102 # These options are only for real kernel hackers who want to get their hands dirty.
104 bool "Kernel low-level debugging functions (read help!)"
105 depends on DEBUG_KERNEL
107 Say Y here to include definitions of printascii, printch, printhex
108 in the kernel. This is helpful if you are debugging code that
109 executes before the console is initialized.
111 Note that selecting this option will limit the kernel to a single
112 UART definition, as specified below. Attempting to boot the kernel
113 image on a different platform *will not work*, so this option should
114 not be enabled for kernels that are intended to be portable.
117 prompt "Kernel low-level debugging port"
120 config DEBUG_ALPINE_UART0
121 bool "Kernel low-level debugging messages via Alpine UART0"
122 depends on ARCH_ALPINE
123 select DEBUG_UART_8250
125 Say Y here if you want kernel low-level debugging support
126 on Alpine based platforms.
128 config DEBUG_ASM9260_UART
129 bool "Kernel low-level debugging via asm9260 UART"
130 depends on MACH_ASM9260
132 Say Y here if you want the debug print routines to direct
133 their output to an UART or USART port on asm9260 based
136 DEBUG_UART_PHYS | DEBUG_UART_VIRT
138 0x80000000 | 0xf0000000 | UART0
139 0x80004000 | 0xf0004000 | UART1
140 0x80008000 | 0xf0008000 | UART2
141 0x8000c000 | 0xf000c000 | UART3
142 0x80010000 | 0xf0010000 | UART4
143 0x80014000 | 0xf0014000 | UART5
144 0x80018000 | 0xf0018000 | UART6
145 0x8001c000 | 0xf001c000 | UART7
146 0x80020000 | 0xf0020000 | UART8
147 0x80024000 | 0xf0024000 | UART9
149 config DEBUG_AT91_RM9200_DBGU
150 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU"
151 select DEBUG_AT91_UART
152 depends on SOC_AT91RM9200 || SOC_AT91SAM9
154 Say Y here if you want kernel low-level debugging support
156 at91rm9200, at91sam9260, at91sam9g20, at91sam9261,
157 at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5
159 config DEBUG_AT91_SAM9263_DBGU
160 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
161 select DEBUG_AT91_UART
162 depends on SOC_AT91SAM9 || SOC_SAMA5D3
164 Say Y here if you want kernel low-level debugging support
166 at91sam9263, at91sam9g45, at91sam9m10,
169 config DEBUG_AT91_SAMA5D2_UART1
170 bool "Kernel low-level debugging on SAMA5D2 UART1"
171 select DEBUG_AT91_UART
172 depends on SOC_SAMA5D2
174 Say Y here if you want kernel low-level debugging support
175 on the UART1 port of sama5d2.
177 config DEBUG_AT91_SAMA5D4_USART3
178 bool "Kernel low-level debugging on SAMA5D4 USART3"
179 select DEBUG_AT91_UART
180 depends on SOC_SAMA5D4
182 Say Y here if you want kernel low-level debugging support
183 on the USART3 port of sama5d4.
185 config DEBUG_AT91_SAMV7_USART1
186 bool "Kernel low-level debugging via SAMV7 USART1"
187 select DEBUG_AT91_UART
190 Say Y here if you want the debug print routines to direct
191 their output to the USART1 port on SAMV7 based
195 bool "Kernel low-level debugging on BCM2835 PL011 UART"
196 depends on ARCH_BCM2835 && ARCH_MULTI_V6
197 select DEBUG_UART_PL01X
200 bool "Kernel low-level debugging on BCM2836 PL011 UART"
201 depends on ARCH_BCM2835 && ARCH_MULTI_V7
202 select DEBUG_UART_PL01X
204 config DEBUG_BCM_5301X
205 bool "Kernel low-level debugging on BCM5301X/NSP UART1"
206 depends on ARCH_BCM_5301X || ARCH_BCM_NSP
207 select DEBUG_UART_8250
210 bool "Kernel low-level debugging on Hurricane 2 UART2"
211 depends on ARCH_BCM_HR2
212 select DEBUG_UART_8250
214 config DEBUG_BCM_IPROC_UART3
215 bool "Kernel low-level debugging on BCM IPROC UART3"
216 depends on ARCH_BCM_CYGNUS
217 select DEBUG_UART_8250
219 Say Y here if you want the debug print routines to direct
220 their output to the third serial port on these devices.
222 config DEBUG_BCM_KONA_UART
223 bool "Kernel low-level debugging messages via BCM KONA UART"
224 depends on ARCH_BCM_MOBILE
225 select DEBUG_UART_8250
227 Say Y here if you want kernel low-level debugging support
228 on Broadcom SoC platforms.
229 This low level debug works for Broadcom
230 mobile SoCs in the Kona family of chips (e.g. bcm28155,
233 config DEBUG_BCM63XX_UART
234 bool "Kernel low-level debugging on BCM63XX UART"
235 depends on ARCH_BCM_63XX
237 config DEBUG_BERLIN_UART
238 bool "Marvell Berlin SoC Debug UART"
239 depends on ARCH_BERLIN
240 select DEBUG_UART_8250
242 Say Y here if you want kernel low-level debugging support
243 on Marvell Berlin SoC based platforms.
245 config DEBUG_BRCMSTB_UART
246 bool "Use BRCMSTB UART for low-level debug"
247 depends on ARCH_BRCMSTB
249 Say Y here if you want the debug print routines to direct
250 their output to the first serial port on these devices. The
251 UART physical and virtual address is automatically provided
252 based on the chip identification register value.
254 If you have a Broadcom STB chip and would like early print
255 messages to appear over the UART, select this option.
257 config DEBUG_CLPS711X_UART1
258 bool "Kernel low-level debugging messages via UART1"
259 depends on ARCH_CLPS711X
261 Say Y here if you want the debug print routines to direct
262 their output to the first serial port on these devices.
264 config DEBUG_CLPS711X_UART2
265 bool "Kernel low-level debugging messages via UART2"
266 depends on ARCH_CLPS711X
268 Say Y here if you want the debug print routines to direct
269 their output to the second serial port on these devices.
272 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
273 depends on ARCH_CNS3XXX
274 select DEBUG_UART_8250
276 Say Y here if you want the debug print routines to direct
277 their output to the CNS3xxx UART0.
279 config DEBUG_DAVINCI_DA8XX_UART1
280 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
281 depends on ARCH_DAVINCI_DA8XX
282 select DEBUG_UART_8250
284 Say Y here if you want the debug print routines to direct
285 their output to UART1 serial port on DaVinci DA8XX devices.
287 config DEBUG_DAVINCI_DA8XX_UART2
288 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
289 depends on ARCH_DAVINCI_DA8XX
290 select DEBUG_UART_8250
292 Say Y here if you want the debug print routines to direct
293 their output to UART2 serial port on DaVinci DA8XX devices.
295 config DEBUG_DAVINCI_DMx_UART0
296 bool "Kernel low-level debugging on DaVinci DMx using UART0"
297 depends on ARCH_DAVINCI_DMx
298 select DEBUG_UART_8250
300 Say Y here if you want the debug print routines to direct
301 their output to UART0 serial port on DaVinci DMx devices.
303 config DEBUG_DC21285_PORT
304 bool "Kernel low-level debugging messages via footbridge serial port"
305 depends on FOOTBRIDGE
307 Say Y here if you want the debug print routines to direct
308 their output to the serial port in the DC21285 (Footbridge).
310 config DEBUG_DIGICOLOR_UA0
311 bool "Kernel low-level debugging messages via Digicolor UA0"
312 depends on ARCH_DIGICOLOR
314 Say Y here if you want the debug print routines to direct
315 their output to the UA0 serial port in the CX92755.
318 bool "Kernel low-level debugging messages via ep93xx UART"
319 depends on ARCH_EP93XX
320 select DEBUG_UART_PL01X
322 Say Y here if you want kernel low-level debugging support
323 on Cirrus Logic EP93xx based platforms.
325 config DEBUG_FOOTBRIDGE_COM1
326 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
327 depends on FOOTBRIDGE
328 select DEBUG_UART_8250
330 Say Y here if you want the debug print routines to direct
331 their output to the 8250 at PCI COM1.
334 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
335 depends on ARCH_GEMINI
336 select DEBUG_UART_8250
338 Say Y here if you want kernel low-level debugging support
339 on Cortina Gemini based platforms.
341 config DEBUG_HI3620_UART
342 bool "Hisilicon HI3620 Debug UART"
343 depends on ARCH_HI3xxx
344 select DEBUG_UART_PL01X
346 Say Y here if you want kernel low-level debugging support
349 config DEBUG_HIGHBANK_UART
350 bool "Kernel low-level debugging messages via Highbank UART"
351 depends on ARCH_HIGHBANK
352 select DEBUG_UART_PL01X
354 Say Y here if you want the debug print routines to direct
355 their output to the UART on Highbank based devices.
357 config DEBUG_HIP01_UART
358 bool "Hisilicon Hip01 Debug UART"
359 depends on ARCH_HIP01
360 select DEBUG_UART_8250
362 Say Y here if you want kernel low-level debugging support
365 config DEBUG_HIP04_UART
366 bool "Hisilicon HiP04 Debug UART"
367 depends on ARCH_HIP04
368 select DEBUG_UART_8250
370 Say Y here if you want kernel low-level debugging support
373 config DEBUG_HIX5HD2_UART
374 bool "Hisilicon Hix5hd2 Debug UART"
375 depends on ARCH_HIX5HD2
376 select DEBUG_UART_PL01X
378 Say Y here if you want kernel low-level debugging support
381 config DEBUG_IMX1_UART
382 bool "i.MX1 Debug UART"
385 Say Y here if you want kernel low-level debugging support
388 config DEBUG_IMX23_UART
389 bool "i.MX23 Debug UART"
391 select DEBUG_UART_PL01X
393 Say Y here if you want kernel low-level debugging support
396 config DEBUG_IMX25_UART
397 bool "i.MX25 Debug UART"
400 Say Y here if you want kernel low-level debugging support
403 config DEBUG_IMX21_IMX27_UART
404 bool "i.MX21 and i.MX27 Debug UART"
405 depends on SOC_IMX21 || SOC_IMX27
407 Say Y here if you want kernel low-level debugging support
410 config DEBUG_IMX28_UART
411 bool "i.MX28 Debug UART"
413 select DEBUG_UART_PL01X
415 Say Y here if you want kernel low-level debugging support
418 config DEBUG_IMX31_UART
419 bool "i.MX31 Debug UART"
422 Say Y here if you want kernel low-level debugging support
425 config DEBUG_IMX35_UART
426 bool "i.MX35 Debug UART"
429 Say Y here if you want kernel low-level debugging support
432 config DEBUG_IMX50_UART
433 bool "i.MX50 Debug UART"
436 Say Y here if you want kernel low-level debugging support
439 config DEBUG_IMX51_UART
440 bool "i.MX51 Debug UART"
443 Say Y here if you want kernel low-level debugging support
446 config DEBUG_IMX53_UART
447 bool "i.MX53 Debug UART"
450 Say Y here if you want kernel low-level debugging support
453 config DEBUG_IMX6Q_UART
454 bool "i.MX6Q/DL Debug UART"
457 Say Y here if you want kernel low-level debugging support
460 config DEBUG_IMX6SL_UART
461 bool "i.MX6SL Debug UART"
462 depends on SOC_IMX6SL
464 Say Y here if you want kernel low-level debugging support
467 config DEBUG_IMX6SX_UART
468 bool "i.MX6SX Debug UART"
469 depends on SOC_IMX6SX
471 Say Y here if you want kernel low-level debugging support
474 config DEBUG_IMX6UL_UART
475 bool "i.MX6UL Debug UART"
476 depends on SOC_IMX6UL
478 Say Y here if you want kernel low-level debugging support
481 config DEBUG_IMX7D_UART
482 bool "i.MX7D Debug UART"
485 Say Y here if you want kernel low-level debugging support
488 config DEBUG_INTEGRATOR
489 bool "Kernel low-level debugging messages via ARM Integrator UART"
490 depends on ARCH_INTEGRATOR
491 select DEBUG_UART_PL01X
493 Say Y here if you want kernel low-level debugging support
494 on ARM Integrator platforms.
496 config DEBUG_KEYSTONE_UART0
497 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
498 depends on ARCH_KEYSTONE
499 select DEBUG_UART_8250
501 Say Y here if you want the debug print routines to direct
502 their output to UART0 serial port on KEYSTONE2 devices.
504 config DEBUG_KEYSTONE_UART1
505 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
506 depends on ARCH_KEYSTONE
507 select DEBUG_UART_8250
509 Say Y here if you want the debug print routines to direct
510 their output to UART1 serial port on KEYSTONE2 devices.
512 config DEBUG_KS8695_UART
513 bool "KS8695 Debug UART"
514 depends on ARCH_KS8695
516 Say Y here if you want kernel low-level debugging support
519 config DEBUG_LPC18XX_UART0
520 bool "Kernel low-level debugging via LPC18xx/43xx UART0"
521 depends on ARCH_LPC18XX
522 select DEBUG_UART_8250
524 Say Y here if you want kernel low-level debugging support
525 on NXP LPC18xx/43xx UART0.
528 bool "Kernel low-level debugging messages via NXP LPC32xx UART"
529 depends on ARCH_LPC32XX
530 select DEBUG_UART_8250
532 Say Y here if you want kernel low-level debugging support
533 on NXP LPC32xx based platforms.
535 config DEBUG_MESON_UARTAO
536 bool "Kernel low-level debugging via Meson6 UARTAO"
537 depends on ARCH_MESON
539 Say Y here if you want kernel low-lever debugging support
540 on Amlogic Meson6 based platforms on the UARTAO.
542 config DEBUG_MMP_UART2
543 bool "Kernel low-level debugging message via MMP UART2"
545 select DEBUG_UART_8250
547 Say Y here if you want kernel low-level debugging support
550 config DEBUG_MMP_UART3
551 bool "Kernel low-level debugging message via MMP UART3"
553 select DEBUG_UART_8250
555 Say Y here if you want kernel low-level debugging support
558 config DEBUG_MVEBU_UART0
559 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
560 depends on ARCH_MVEBU
561 depends on ARCH_MVEBU && CPU_V7
562 select DEBUG_UART_8250
564 Say Y here if you want kernel low-level debugging support
565 on MVEBU based platforms on UART0.
567 This option should be used with the old bootloaders
568 that left the internal registers mapped at
569 0xd0000000. As of today, this is the case on
570 platforms such as the Globalscale Mirabox or the
571 Plathome OpenBlocks AX3, when using the original
574 This option will not work on older Marvell platforms
575 (Kirkwood, Dove, MV78xx0, Orion5x), which should pick
576 the "new bootloader" variant.
578 If the wrong DEBUG_MVEBU_UART* option is selected,
579 when u-boot hands over to the kernel, the system
580 silently crashes, with no serial output at all.
582 config DEBUG_MVEBU_UART0_ALTERNATE
583 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
584 depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X
585 select DEBUG_UART_8250
587 Say Y here if you want kernel low-level debugging support
588 on MVEBU based platforms on UART0. (Armada XP, Armada 3xx,
589 Kirkwood, Dove, MV78xx0, Orion5x).
592 This option should be used with the new bootloaders
593 that remap the internal registers at 0xf1000000.
595 If the wrong DEBUG_MVEBU_UART* option is selected,
596 when u-boot hands over to the kernel, the system
597 silently crashes, with no serial output at all.
599 config DEBUG_MVEBU_UART1_ALTERNATE
600 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
601 depends on ARCH_MVEBU
602 select DEBUG_UART_8250
604 Say Y here if you want kernel low-level debugging support
605 on MVEBU based platforms on UART1. (Armada XP, Armada 3xx,
606 Kirkwood, Dove, MV78xx0, Orion5x).
608 This option should be used with the new bootloaders
609 that remap the internal registers at 0xf1000000.
610 All of the older (pre Armada XP/370) platforms also use
611 this address, regardless of the boot loader version.
613 If the wrong DEBUG_MVEBU_UART* option is selected,
614 when u-boot hands over to the kernel, the system
615 silently crashes, with no serial output at all.
617 config DEBUG_MT6589_UART0
618 bool "Mediatek mt6589 UART0"
619 depends on ARCH_MEDIATEK
620 select DEBUG_UART_8250
622 Say Y here if you want kernel low-level debugging support
623 for Mediatek mt6589 based platforms on UART0.
625 config DEBUG_MT8127_UART0
626 bool "Mediatek mt8127/mt6592 UART0"
627 depends on ARCH_MEDIATEK
628 select DEBUG_UART_8250
630 Say Y here if you want kernel low-level debugging support
631 for Mediatek mt8127 based platforms on UART0.
633 config DEBUG_MT8135_UART3
634 bool "Mediatek mt8135 UART3"
635 depends on ARCH_MEDIATEK
636 select DEBUG_UART_8250
638 Say Y here if you want kernel low-level debugging support
639 for Mediatek mt8135 based platforms on UART3.
641 config DEBUG_NETX_UART
642 bool "Kernel low-level debugging messages via NetX UART"
645 Say Y here if you want kernel low-level debugging support
646 on Hilscher NetX based platforms.
648 config DEBUG_NOMADIK_UART
649 bool "Kernel low-level debugging messages via NOMADIK UART"
650 depends on ARCH_NOMADIK
651 select DEBUG_UART_PL01X
653 Say Y here if you want kernel low-level debugging support
654 on NOMADIK based platforms.
656 config DEBUG_NSPIRE_CLASSIC_UART
657 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
658 depends on ARCH_NSPIRE
659 select DEBUG_UART_8250
661 Say Y here if you want kernel low-level debugging support
662 on TI-NSPIRE classic models.
664 config DEBUG_NSPIRE_CX_UART
665 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
666 depends on ARCH_NSPIRE
667 select DEBUG_UART_PL01X
669 Say Y here if you want kernel low-level debugging support
670 on TI-NSPIRE CX models.
672 config DEBUG_OMAP1UART1
673 bool "Kernel low-level debugging via OMAP1 UART1"
674 depends on ARCH_OMAP1
675 select DEBUG_UART_8250
677 Say Y here if you want kernel low-level debugging support
678 on OMAP1 based platforms (except OMAP730) on the UART1.
680 config DEBUG_OMAP1UART2
681 bool "Kernel low-level debugging via OMAP1 UART2"
682 depends on ARCH_OMAP1
683 select DEBUG_UART_8250
685 Say Y here if you want kernel low-level debugging support
686 on OMAP1 based platforms (except OMAP730) on the UART2.
688 config DEBUG_OMAP1UART3
689 bool "Kernel low-level debugging via OMAP1 UART3"
690 depends on ARCH_OMAP1
691 select DEBUG_UART_8250
693 Say Y here if you want kernel low-level debugging support
694 on OMAP1 based platforms (except OMAP730) on the UART3.
696 config DEBUG_OMAP2UART1
697 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)"
698 depends on ARCH_OMAP2PLUS
699 select DEBUG_UART_8250
701 This covers at least h4, 2430sdp, 3430sdp, 3630sdp,
702 omap3 torpedo and 3530 lv som.
704 config DEBUG_OMAP2UART2
705 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
706 depends on ARCH_OMAP2PLUS
707 select DEBUG_UART_8250
709 config DEBUG_OMAP2UART3
710 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
711 depends on ARCH_OMAP2PLUS
712 select DEBUG_UART_8250
714 config DEBUG_OMAP3UART3
715 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
716 depends on ARCH_OMAP2PLUS
717 select DEBUG_UART_8250
719 This covers at least cm_t3x, beagle, crane, devkit8000,
720 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,
723 config DEBUG_OMAP4UART3
724 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
725 depends on ARCH_OMAP2PLUS
726 select DEBUG_UART_8250
728 config DEBUG_OMAP3UART4
729 bool "Kernel low-level debugging messages via OMAP36XX UART4"
730 depends on ARCH_OMAP2PLUS
731 select DEBUG_UART_8250
733 config DEBUG_OMAP4UART4
734 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
735 depends on ARCH_OMAP2PLUS
736 select DEBUG_UART_8250
738 config DEBUG_OMAP7XXUART1
739 bool "Kernel low-level debugging via OMAP730 UART1"
740 depends on ARCH_OMAP730
741 select DEBUG_UART_8250
743 Say Y here if you want kernel low-level debugging support
744 on OMAP730 based platforms on the UART1.
746 config DEBUG_OMAP7XXUART2
747 bool "Kernel low-level debugging via OMAP730 UART2"
748 depends on ARCH_OMAP730
749 select DEBUG_UART_8250
751 Say Y here if you want kernel low-level debugging support
752 on OMAP730 based platforms on the UART2.
754 config DEBUG_OMAP7XXUART3
755 bool "Kernel low-level debugging via OMAP730 UART3"
756 depends on ARCH_OMAP730
757 select DEBUG_UART_8250
759 Say Y here if you want kernel low-level debugging support
760 on OMAP730 based platforms on the UART3.
762 config DEBUG_TI81XXUART1
763 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
764 depends on ARCH_OMAP2PLUS
765 select DEBUG_UART_8250
767 config DEBUG_TI81XXUART2
768 bool "Kernel low-level debugging messages via TI81XX UART2"
769 depends on ARCH_OMAP2PLUS
770 select DEBUG_UART_8250
772 config DEBUG_TI81XXUART3
773 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
774 depends on ARCH_OMAP2PLUS
775 select DEBUG_UART_8250
777 config DEBUG_AM33XXUART1
778 bool "Kernel low-level debugging messages via AM33XX UART1"
779 depends on ARCH_OMAP2PLUS
780 select DEBUG_UART_8250
782 config DEBUG_ZOOM_UART
783 bool "Kernel low-level debugging messages via Zoom2/3 UART"
784 depends on ARCH_OMAP2PLUS
785 select DEBUG_OMAP2PLUS_UART
787 config DEBUG_PICOXCELL_UART
788 depends on ARCH_PICOXCELL
789 bool "Use PicoXcell UART for low-level debug"
790 select DEBUG_UART_8250
792 Say Y here if you want kernel low-level debugging support
793 on PicoXcell based platforms.
795 config DEBUG_PXA_UART1
797 bool "Use PXA UART1 for low-level debug"
798 select DEBUG_UART_8250
800 Say Y here if you want kernel low-level debugging support
803 config DEBUG_QCOM_UARTDM
804 bool "Kernel low-level debugging messages via QCOM UARTDM"
807 Say Y here if you want the debug print routines to direct
808 their output to the serial port on Qualcomm devices.
810 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT
811 APQ8064 0x16640000 0xf0040000
812 APQ8084 0xf995e000 0xfa75e000
813 IPQ4019 0x078af000 0xf78af000
814 MSM8X60 0x19c40000 0xf0040000
815 MSM8960 0x16440000 0xf0040000
816 MSM8974 0xf991e000 0xfa71e000
818 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration
819 options based on your needs.
821 config DEBUG_REALVIEW_STD_PORT
822 bool "RealView Default UART"
823 depends on ARCH_REALVIEW
824 select DEBUG_UART_PL01X
826 Say Y here if you want the debug print routines to direct
827 their output to the serial port on RealView EB, PB11MP, PBA8
830 config DEBUG_REALVIEW_PB1176_PORT
831 bool "RealView PB1176 UART"
832 depends on MACH_REALVIEW_PB1176
833 select DEBUG_UART_PL01X
835 Say Y here if you want the debug print routines to direct
836 their output to the standard serial port on the RealView
839 config DEBUG_RV1108_UART0
840 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
841 depends on ARCH_ROCKCHIP
842 select DEBUG_UART_8250
844 Say Y here if you want kernel low-level debugging support
845 on Rockchip RV1108 based platforms.
847 config DEBUG_RV1108_UART1
848 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
849 depends on ARCH_ROCKCHIP
850 select DEBUG_UART_8250
852 Say Y here if you want kernel low-level debugging support
853 on Rockchip RV1108 based platforms.
855 config DEBUG_RV1108_UART2
856 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
857 depends on ARCH_ROCKCHIP
858 select DEBUG_UART_8250
860 Say Y here if you want kernel low-level debugging support
861 on Rockchip RV1108 based platforms.
863 config DEBUG_RK29_UART0
864 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
865 depends on ARCH_ROCKCHIP
866 select DEBUG_UART_8250
868 Say Y here if you want kernel low-level debugging support
869 on Rockchip based platforms.
871 config DEBUG_RK29_UART1
872 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
873 depends on ARCH_ROCKCHIP
874 select DEBUG_UART_8250
876 Say Y here if you want kernel low-level debugging support
877 on Rockchip based platforms.
879 config DEBUG_RK29_UART2
880 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
881 depends on ARCH_ROCKCHIP
882 select DEBUG_UART_8250
884 Say Y here if you want kernel low-level debugging support
885 on Rockchip based platforms.
887 config DEBUG_RK3X_UART0
888 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
889 depends on ARCH_ROCKCHIP
890 select DEBUG_UART_8250
892 Say Y here if you want kernel low-level debugging support
893 on Rockchip based platforms.
895 config DEBUG_RK3X_UART1
896 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
897 depends on ARCH_ROCKCHIP
898 select DEBUG_UART_8250
900 Say Y here if you want kernel low-level debugging support
901 on Rockchip based platforms.
903 config DEBUG_RK3X_UART2
904 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
905 depends on ARCH_ROCKCHIP
906 select DEBUG_UART_8250
908 Say Y here if you want kernel low-level debugging support
909 on Rockchip based platforms.
911 config DEBUG_RK3X_UART3
912 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
913 depends on ARCH_ROCKCHIP
914 select DEBUG_UART_8250
916 Say Y here if you want kernel low-level debugging support
917 on Rockchip based platforms.
919 config DEBUG_RK32_UART2
920 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
921 depends on ARCH_ROCKCHIP
922 select DEBUG_UART_8250
924 Say Y here if you want kernel low-level debugging support
925 on Rockchip RK32xx based platforms.
927 config DEBUG_R7S72100_SCIF2
928 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
929 depends on ARCH_R7S72100
931 Say Y here if you want kernel low-level debugging support
932 via SCIF2 on Renesas RZ/A1H (R7S72100).
934 config DEBUG_RCAR_GEN1_SCIF0
935 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
936 depends on ARCH_R8A7778
938 Say Y here if you want kernel low-level debugging support
939 via SCIF0 on Renesas R-Car M1A (R8A7778).
941 config DEBUG_RCAR_GEN1_SCIF2
942 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
943 depends on ARCH_R8A7779
945 Say Y here if you want kernel low-level debugging support
946 via SCIF2 on Renesas R-Car H1 (R8A7779).
948 config DEBUG_RCAR_GEN2_SCIF0
949 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
950 depends on ARCH_R8A7743 || ARCH_R8A7790 || ARCH_R8A7791 || \
951 ARCH_R8A7792 || ARCH_R8A7793
953 Say Y here if you want kernel low-level debugging support
954 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790),
955 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793).
957 config DEBUG_RCAR_GEN2_SCIF1
958 bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
959 depends on ARCH_R8A77470
961 Say Y here if you want kernel low-level debugging support
962 via SCIF1 on Renesas RZ/G1C (R8A77470).
964 config DEBUG_RCAR_GEN2_SCIF2
965 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
966 depends on ARCH_R8A7794
968 Say Y here if you want kernel low-level debugging support
969 via SCIF2 on Renesas R-Car E2 (R8A7794).
971 config DEBUG_RCAR_GEN2_SCIF4
972 bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
973 depends on ARCH_R8A7745
975 Say Y here if you want kernel low-level debugging support
976 via SCIF4 on Renesas RZ/G1E (R8A7745).
978 config DEBUG_RMOBILE_SCIFA0
979 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
980 depends on ARCH_R8A73A4
982 Say Y here if you want kernel low-level debugging support
983 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
985 config DEBUG_RMOBILE_SCIFA1
986 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
987 depends on ARCH_R8A7740
989 Say Y here if you want kernel low-level debugging support
990 via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
992 config DEBUG_RMOBILE_SCIFA4
993 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
994 depends on ARCH_SH73A0
996 Say Y here if you want kernel low-level debugging support
997 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
999 config DEBUG_S3C_UART0
1000 depends on PLAT_SAMSUNG
1001 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
1002 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
1003 select DEBUG_S3C64XX_UART if ARCH_S3C64XX
1004 select DEBUG_S5PV210_UART if ARCH_S5PV210
1005 bool "Use Samsung S3C UART 0 for low-level debug"
1007 Say Y here if you want the debug print routines to direct
1008 their output to UART 0. The port must have been initialised
1009 by the boot-loader before use.
1011 config DEBUG_S3C_UART1
1012 depends on PLAT_SAMSUNG
1013 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
1014 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
1015 select DEBUG_S3C64XX_UART if ARCH_S3C64XX
1016 select DEBUG_S5PV210_UART if ARCH_S5PV210
1017 bool "Use Samsung S3C UART 1 for low-level debug"
1019 Say Y here if you want the debug print routines to direct
1020 their output to UART 1. The port must have been initialised
1021 by the boot-loader before use.
1023 config DEBUG_S3C_UART2
1024 depends on PLAT_SAMSUNG
1025 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
1026 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
1027 select DEBUG_S3C64XX_UART if ARCH_S3C64XX
1028 select DEBUG_S5PV210_UART if ARCH_S5PV210
1029 bool "Use Samsung S3C UART 2 for low-level debug"
1031 Say Y here if you want the debug print routines to direct
1032 their output to UART 2. The port must have been initialised
1033 by the boot-loader before use.
1035 config DEBUG_S3C_UART3
1036 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210)
1037 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
1038 select DEBUG_S3C64XX_UART if ARCH_S3C64XX
1039 select DEBUG_S5PV210_UART if ARCH_S5PV210
1040 bool "Use Samsung S3C UART 3 for low-level debug"
1042 Say Y here if you want the debug print routines to direct
1043 their output to UART 3. The port must have been initialised
1044 by the boot-loader before use.
1046 config DEBUG_S3C2410_UART0
1047 depends on ARCH_S3C24XX
1048 select DEBUG_S3C2410_UART
1049 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
1051 Say Y here if you want the debug print routines to direct
1052 their output to UART 0. The port must have been initialised
1053 by the boot-loader before use.
1055 config DEBUG_S3C2410_UART1
1056 depends on ARCH_S3C24XX
1057 select DEBUG_S3C2410_UART
1058 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
1060 Say Y here if you want the debug print routines to direct
1061 their output to UART 1. The port must have been initialised
1062 by the boot-loader before use.
1064 config DEBUG_S3C2410_UART2
1065 depends on ARCH_S3C24XX
1066 select DEBUG_S3C2410_UART
1067 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
1069 Say Y here if you want the debug print routines to direct
1070 their output to UART 2. The port must have been initialised
1071 by the boot-loader before use.
1074 depends on ARCH_SA1100
1075 bool "Use SA1100 UARTs for low-level debug"
1077 Say Y here if you want kernel low-level debugging support
1078 on SA-11x0 UART ports. The kernel will check for the first
1079 enabled UART in a sequence 3-1-2.
1081 config DEBUG_SOCFPGA_UART0
1082 depends on ARCH_SOCFPGA
1083 bool "Use SOCFPGA UART0 for low-level debug"
1084 select DEBUG_UART_8250
1086 Say Y here if you want kernel low-level debugging support
1087 on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
1089 config DEBUG_SOCFPGA_UART1
1090 depends on ARCH_SOCFPGA
1091 bool "Use SOCFPGA UART1 for low-level debug"
1092 select DEBUG_UART_8250
1094 Say Y here if you want kernel low-level debugging support
1095 on SOCFPGA(Arria 10) based platforms.
1098 config DEBUG_SUN9I_UART0
1099 bool "Kernel low-level debugging messages via sun9i UART0"
1100 depends on MACH_SUN9I
1101 select DEBUG_UART_8250
1103 Say Y here if you want kernel low-level debugging support
1104 on Allwinner A80 based platforms on the UART0.
1106 config DEBUG_SUNXI_UART0
1107 bool "Kernel low-level debugging messages via sunXi UART0"
1108 depends on ARCH_SUNXI
1109 select DEBUG_UART_8250
1111 Say Y here if you want kernel low-level debugging support
1112 on Allwinner A1X based platforms on the UART0.
1114 config DEBUG_SUNXI_UART1
1115 bool "Kernel low-level debugging messages via sunXi UART1"
1116 depends on ARCH_SUNXI
1117 select DEBUG_UART_8250
1119 Say Y here if you want kernel low-level debugging support
1120 on Allwinner A1X based platforms on the UART1.
1122 config DEBUG_SUNXI_R_UART
1123 bool "Kernel low-level debugging messages via sunXi R_UART"
1124 depends on MACH_SUN6I || MACH_SUN8I
1125 select DEBUG_UART_8250
1127 Say Y here if you want kernel low-level debugging support
1128 on Allwinner A31/A23 based platforms on the R_UART.
1130 config DEBUG_SIRFPRIMA2_UART1
1131 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
1132 depends on ARCH_PRIMA2
1133 select DEBUG_SIRFSOC_UART
1135 Say Y here if you want the debug print routines to direct
1136 their output to the uart1 port on SiRFprimaII devices.
1138 config DEBUG_SIRFATLAS7_UART0
1139 bool "Kernel low-level debugging messages via SiRFatlas7 UART0"
1140 depends on ARCH_ATLAS7
1141 select DEBUG_SIRFSOC_UART
1143 Say Y here if you want the debug print routines to direct
1144 their output to the uart0 port on SiRFATLAS7 devices.The uart0
1145 is used on SiRFATLAS7 as a extra debug port.sometimes an extra
1146 debug port can be very useful.
1148 config DEBUG_SIRFATLAS7_UART1
1149 bool "Kernel low-level debugging messages via SiRFatlas7 UART1"
1150 depends on ARCH_ATLAS7
1151 select DEBUG_SIRFSOC_UART
1153 Say Y here if you want the debug print routines to direct
1154 their output to the uart1 port on SiRFATLAS7 devices.
1156 config DEBUG_SPEAR3XX
1157 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1158 depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX
1159 select DEBUG_UART_PL01X
1161 Say Y here if you want kernel low-level debugging support
1162 on ST SPEAr based platforms.
1164 config DEBUG_SPEAR13XX
1165 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1166 depends on ARCH_SPEAR13XX
1167 select DEBUG_UART_PL01X
1169 Say Y here if you want kernel low-level debugging support
1170 on ST SPEAr13xx based platforms.
1172 config STIH41X_DEBUG_ASC2
1173 bool "Use StiH415/416 ASC2 UART for low-level debug"
1175 select DEBUG_STI_UART
1177 Say Y here if you want kernel low-level debugging support
1178 on STiH415/416 based platforms like b2000, which has
1179 default UART wired up to ASC2.
1183 config STIH41X_DEBUG_SBC_ASC1
1184 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1186 select DEBUG_STI_UART
1188 Say Y here if you want kernel low-level debugging support
1189 on STiH415/416 based platforms like b2020. which has
1190 default UART wired up to SBC ASC1.
1194 config TEGRA_DEBUG_UART_AUTO_ODMDATA
1195 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1196 depends on ARCH_TEGRA
1197 select DEBUG_TEGRA_UART
1199 Automatically determines which UART to use for low-level
1200 debug based on the ODMDATA value. This value is part of
1201 the BCT, and is written to the boot memory device using
1202 nvflash, or other flashing tool. When bits 19:18 are 3,
1203 then bits 17:15 indicate which UART to use; 0/1/2/3/4
1206 config TEGRA_DEBUG_UARTA
1207 bool "Kernel low-level debugging messages via Tegra UART A"
1208 depends on ARCH_TEGRA
1209 select DEBUG_TEGRA_UART
1211 Say Y here if you want kernel low-level debugging support
1212 on Tegra based platforms.
1214 config TEGRA_DEBUG_UARTB
1215 bool "Kernel low-level debugging messages via Tegra UART B"
1216 depends on ARCH_TEGRA
1217 select DEBUG_TEGRA_UART
1219 Say Y here if you want kernel low-level debugging support
1220 on Tegra based platforms.
1222 config TEGRA_DEBUG_UARTC
1223 bool "Kernel low-level debugging messages via Tegra UART C"
1224 depends on ARCH_TEGRA
1225 select DEBUG_TEGRA_UART
1227 Say Y here if you want kernel low-level debugging support
1228 on Tegra based platforms.
1230 config TEGRA_DEBUG_UARTD
1231 bool "Kernel low-level debugging messages via Tegra UART D"
1232 depends on ARCH_TEGRA
1233 select DEBUG_TEGRA_UART
1235 Say Y here if you want kernel low-level debugging support
1236 on Tegra based platforms.
1238 config TEGRA_DEBUG_UARTE
1239 bool "Kernel low-level debugging messages via Tegra UART E"
1240 depends on ARCH_TEGRA
1241 select DEBUG_TEGRA_UART
1243 Say Y here if you want kernel low-level debugging support
1244 on Tegra based platforms.
1246 config DEBUG_U300_UART
1247 bool "Kernel low-level debugging messages via U300 UART0"
1248 depends on ARCH_U300
1249 select DEBUG_UART_PL01X
1251 Say Y here if you want the debug print routines to direct
1252 their output to the uart port on U300 devices.
1254 config DEBUG_UX500_UART
1255 depends on ARCH_U8500
1256 bool "Use Ux500 UART for low-level debug"
1258 Say Y here if you want kernel low-level debugging support
1259 on Ux500 based platforms.
1261 config DEBUG_VERSATILE
1262 bool "Kernel low-level debugging messages via ARM Versatile UART"
1263 depends on ARCH_VERSATILE
1264 select DEBUG_UART_PL01X
1266 Say Y here if you want kernel low-level debugging support
1267 on ARM Versatile platforms.
1269 config DEBUG_VEXPRESS_UART0_DETECT
1270 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1271 depends on ARCH_VEXPRESS && CPU_CP15_MMU
1273 This option enables a simple heuristic which tries to determine
1274 the motherboard's memory map variant (original or RS1) and then
1275 choose the relevant UART0 base address.
1277 Note that this will only work with standard A-class core tiles,
1278 and may fail with non-standard SMM or custom software models.
1280 config DEBUG_VEXPRESS_UART0_CA9
1281 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1282 depends on ARCH_VEXPRESS
1283 select DEBUG_UART_PL01X
1285 This option selects UART0 at 0x10009000. Except for custom models,
1286 this applies only to the V2P-CA9 tile.
1288 config DEBUG_VEXPRESS_UART0_RS1
1289 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)"
1290 depends on ARCH_VEXPRESS
1291 select DEBUG_UART_PL01X
1293 This option selects UART0 at 0x1c090000. This applies to most
1294 of the tiles using the RS1 memory map, including all new A-class
1295 core tiles, FPGA-based SMMs and software models.
1297 config DEBUG_VEXPRESS_UART0_CRX
1298 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1299 depends on ARCH_VEXPRESS && !MMU
1300 select DEBUG_UART_PL01X
1302 This option selects UART0 at 0xb0090000. This is appropriate for
1303 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1305 config DEBUG_VF_UART
1307 depends on SOC_VF610
1309 Say Y here if you want kernel low-level debugging support
1310 on Vybrid based platforms.
1312 config DEBUG_VT8500_UART0
1313 bool "Use UART0 on VIA/Wondermedia SoCs"
1314 depends on ARCH_VT8500
1316 This option selects UART0 on VIA/Wondermedia System-on-a-chip
1317 devices, including VT8500, WM8505, WM8650 and WM8850.
1320 bool "Use ZTE ZX UART"
1321 select DEBUG_UART_PL01X
1324 Say Y here if you are enabling ZTE ZX296702 SOC and need
1327 This option is preferred over the platform specific
1328 options; the platform specific options are deprecated
1329 and will be soon removed.
1331 config DEBUG_ZYNQ_UART0
1332 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1333 depends on ARCH_ZYNQ
1335 Say Y here if you want the debug print routines to direct
1336 their output to UART0 on the Zynq platform.
1338 config DEBUG_ZYNQ_UART1
1339 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1340 depends on ARCH_ZYNQ
1342 Say Y here if you want the debug print routines to direct
1343 their output to UART1 on the Zynq platform.
1345 If you have a ZC702 board and want early boot messages to
1346 appear on the USB serial adaptor, select this option.
1349 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1351 Say Y here if you want the debug print routines to direct
1352 their output to the EmbeddedICE macrocell's DCC channel using
1353 co-processor 14. This is known to work on the ARM9 style ICE
1354 channel and on the XScale with the PEEDI.
1356 Note that the system will appear to hang during boot if there
1357 is nothing connected to read from the DCC.
1359 config DEBUG_SEMIHOSTING
1360 bool "Kernel low-level debug output via semihosting I/O"
1362 Semihosting enables code running on an ARM target to use
1363 the I/O facilities on a host debugger/emulator through a
1364 simple SVC call. The host debugger or emulator must have
1365 semihosting enabled for the special svc call to be trapped
1366 otherwise the kernel will crash.
1368 This is known to work with OpenOCD, as well as
1369 ARM's Fast Models, or any other controlling environment
1370 that implements semihosting.
1372 For more details about semihosting, please see
1373 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
1375 config DEBUG_LL_UART_8250
1376 bool "Kernel low-level debugging via 8250 UART"
1378 Say Y here if you wish the debug print routes to direct
1379 their output to an 8250 UART. You can use this option
1380 to provide the parameters for the 8250 UART rather than
1381 selecting one of the platform specific options above if
1382 you know the parameters for the port.
1384 This option is preferred over the platform specific
1385 options; the platform specific options are deprecated
1386 and will be soon removed.
1388 config DEBUG_LL_UART_EFM32
1389 bool "Kernel low-level debugging via efm32 UART"
1390 depends on ARCH_EFM32
1392 Say Y here if you want the debug print routines to direct
1393 their output to an UART or USART port on efm32 based
1394 machines. Use the following addresses for DEBUG_UART_PHYS:
1402 config DEBUG_LL_UART_PL01X
1403 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1405 Say Y here if you wish the debug print routes to direct
1406 their output to a PL01x Primecell UART. You can use
1407 this option to provide the parameters for the UART
1408 rather than selecting one of the platform specific
1409 options above if you know the parameters for the port.
1411 This option is preferred over the platform specific
1412 options; the platform specific options are deprecated
1413 and will be soon removed.
1417 config DEBUG_AT91_UART
1419 depends on ARCH_AT91
1421 config DEBUG_EXYNOS_UART
1424 config DEBUG_S3C2410_UART
1426 select DEBUG_S3C24XX_UART
1428 config DEBUG_S3C24XX_UART
1431 config DEBUG_S3C64XX_UART
1434 config DEBUG_S5PV210_UART
1437 config DEBUG_OMAP2PLUS_UART
1439 depends on ARCH_OMAP2PLUS
1441 config DEBUG_IMX_UART_PORT
1442 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \
1443 DEBUG_IMX25_UART || \
1444 DEBUG_IMX21_IMX27_UART || \
1445 DEBUG_IMX31_UART || \
1446 DEBUG_IMX35_UART || \
1447 DEBUG_IMX50_UART || \
1448 DEBUG_IMX51_UART || \
1449 DEBUG_IMX53_UART || \
1450 DEBUG_IMX6Q_UART || \
1451 DEBUG_IMX6SL_UART || \
1452 DEBUG_IMX6SX_UART || \
1453 DEBUG_IMX6UL_UART || \
1458 Choose UART port on which kernel low-level debug messages
1461 config DEBUG_VF_UART_PORT
1462 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART
1465 depends on SOC_VF610
1467 Choose UART port on which kernel low-level debug messages
1470 config DEBUG_TEGRA_UART
1472 depends on ARCH_TEGRA
1474 config DEBUG_STI_UART
1478 config DEBUG_SIRFSOC_UART
1480 depends on ARCH_SIRF
1482 config DEBUG_LL_INCLUDE
1484 default "debug/sa1100.S" if DEBUG_SA1100
1485 default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP
1486 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
1487 default "debug/at91.S" if DEBUG_AT91_UART
1488 default "debug/asm9260.S" if DEBUG_ASM9260_UART
1489 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2
1490 default "debug/dc21285.S" if DEBUG_DC21285_PORT
1491 default "debug/meson.S" if DEBUG_MESON_UARTAO
1492 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
1493 default "debug/exynos.S" if DEBUG_EXYNOS_UART
1494 default "debug/efm32.S" if DEBUG_LL_UART_EFM32
1495 default "debug/icedcc.S" if DEBUG_ICEDCC
1496 default "debug/imx.S" if DEBUG_IMX1_UART || \
1497 DEBUG_IMX25_UART || \
1498 DEBUG_IMX21_IMX27_UART || \
1499 DEBUG_IMX31_UART || \
1500 DEBUG_IMX35_UART || \
1501 DEBUG_IMX50_UART || \
1502 DEBUG_IMX51_UART || \
1503 DEBUG_IMX53_UART ||\
1504 DEBUG_IMX6Q_UART || \
1505 DEBUG_IMX6SL_UART || \
1506 DEBUG_IMX6SX_UART || \
1507 DEBUG_IMX6UL_UART || \
1509 default "debug/ks8695.S" if DEBUG_KS8695_UART
1510 default "debug/msm.S" if DEBUG_QCOM_UARTDM
1511 default "debug/netx.S" if DEBUG_NETX_UART
1512 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
1513 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1514 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1515 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1516 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1517 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1518 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1519 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1520 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1521 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1522 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1523 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART
1524 default "debug/s5pv210.S" if DEBUG_S5PV210_UART
1525 default "debug/sirf.S" if DEBUG_SIRFSOC_UART
1526 default "debug/sti.S" if DEBUG_STI_UART
1527 default "debug/tegra.S" if DEBUG_TEGRA_UART
1528 default "debug/ux500.S" if DEBUG_UX500_UART
1529 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
1530 default "debug/vf.S" if DEBUG_VF_UART
1531 default "debug/vt8500.S" if DEBUG_VT8500_UART0
1532 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
1533 default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART
1534 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0
1535 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART
1536 default "mach/debug-macro.S"
1538 # Compatibility options for PL01x
1539 config DEBUG_UART_PL01X
1542 # Compatibility options for 8250
1543 config DEBUG_UART_8250
1544 def_bool ARCH_EBSA110 || \
1545 ARCH_IOP13XX || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX || \
1548 config DEBUG_UART_PHYS
1549 hex "Physical base address of debug UART"
1550 default 0x00100a00 if DEBUG_NETX_UART
1551 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
1552 default 0x01c28000 if DEBUG_SUNXI_UART0
1553 default 0x01c28400 if DEBUG_SUNXI_UART1
1554 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
1555 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
1556 default 0x01f02800 if DEBUG_SUNXI_R_UART
1557 default 0x02530c00 if DEBUG_KEYSTONE_UART0
1558 default 0x02531000 if DEBUG_KEYSTONE_UART1
1559 default 0x03010fe0 if ARCH_RPC
1560 default 0x07000000 if DEBUG_SUN9I_UART0
1561 default 0x09405000 if DEBUG_ZTE_ZX
1562 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
1563 DEBUG_VEXPRESS_UART0_CA9
1564 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
1565 default 0x10124000 if DEBUG_RK3X_UART0
1566 default 0x10126000 if DEBUG_RK3X_UART1
1567 default 0x101f1000 if DEBUG_VERSATILE
1568 default 0x101fb000 if DEBUG_NOMADIK_UART
1569 default 0x10210000 if DEBUG_RV1108_UART2
1570 default 0x10220000 if DEBUG_RV1108_UART1
1571 default 0x10230000 if DEBUG_RV1108_UART0
1572 default 0x11002000 if DEBUG_MT8127_UART0
1573 default 0x11006000 if DEBUG_MT6589_UART0
1574 default 0x11009000 if DEBUG_MT8135_UART3
1575 default 0x16000000 if DEBUG_INTEGRATOR
1576 default 0x18000300 if DEBUG_BCM_5301X
1577 default 0x18000400 if DEBUG_BCM_HR2
1578 default 0x18010000 if DEBUG_SIRFATLAS7_UART0
1579 default 0x18020000 if DEBUG_SIRFATLAS7_UART1
1580 default 0x18023000 if DEBUG_BCM_IPROC_UART3
1581 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
1582 default 0x20001000 if DEBUG_HIP01_UART
1583 default 0x20060000 if DEBUG_RK29_UART0
1584 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1585 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1586 default 0x20201000 if DEBUG_BCM2835
1587 default 0x3e000000 if DEBUG_BCM_KONA_UART
1588 default 0x3f201000 if DEBUG_BCM2836
1589 default 0x4000e400 if DEBUG_LL_UART_EFM32
1590 default 0x40028000 if DEBUG_AT91_SAMV7_USART1
1591 default 0x40081000 if DEBUG_LPC18XX_UART0
1592 default 0x40090000 if DEBUG_LPC32XX
1593 default 0x40100000 if DEBUG_PXA_UART1
1594 default 0x42000000 if DEBUG_GEMINI
1595 default 0x44e09000 if DEBUG_AM33XXUART1
1596 default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
1597 default 0x48022000 if DEBUG_TI81XXUART2
1598 default 0x48024000 if DEBUG_TI81XXUART3
1599 default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \
1600 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1
1601 default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \
1602 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
1603 default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
1604 default 0x49020000 if DEBUG_OMAP3UART3
1605 default 0x49042000 if DEBUG_OMAP3UART4
1606 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1607 DEBUG_S3C2410_UART0)
1608 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1609 DEBUG_S3C2410_UART1)
1610 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1611 DEBUG_S3C2410_UART2)
1612 default 0x78000000 if DEBUG_CNS3XXX
1613 default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1
1614 default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0
1615 default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1
1616 default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2
1617 default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3
1618 default 0x80010000 if DEBUG_ASM9260_UART
1619 default 0x80070000 if DEBUG_IMX23_UART
1620 default 0x80074000 if DEBUG_IMX28_UART
1621 default 0x80230000 if DEBUG_PICOXCELL_UART
1622 default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX
1623 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1624 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1
1625 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
1626 default 0xc0013000 if DEBUG_U300_UART
1627 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1628 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1629 default 0xd0000000 if DEBUG_SPEAR3XX
1630 default 0xd0012000 if DEBUG_MVEBU_UART0
1631 default 0xc81004c0 if DEBUG_MESON_UARTAO
1632 default 0xd4017000 if DEBUG_MMP_UART2
1633 default 0xd4018000 if DEBUG_MMP_UART3
1634 default 0xe0000000 if DEBUG_SPEAR13XX
1635 default 0xe4007000 if DEBUG_HIP04_UART
1636 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
1637 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1
1638 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4
1639 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2
1640 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0
1641 default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1
1642 default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4
1643 default 0xe8008000 if DEBUG_R7S72100_SCIF2
1644 default 0xf0000be0 if ARCH_EBSA110
1645 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE
1646 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE
1647 default 0xf7fc9000 if DEBUG_BERLIN_UART
1648 default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1
1649 default 0xf8b00000 if DEBUG_HIX5HD2_UART
1650 default 0xf991e000 if DEBUG_QCOM_UARTDM
1651 default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3
1652 default 0xfcb00000 if DEBUG_HI3620_UART
1653 default 0xfd883000 if DEBUG_ALPINE_UART0
1654 default 0xfe800000 if ARCH_IOP32X
1655 default 0xff690000 if DEBUG_RK32_UART2
1656 default 0xffc02000 if DEBUG_SOCFPGA_UART0
1657 default 0xffc02100 if DEBUG_SOCFPGA_UART1
1658 default 0xffd82340 if ARCH_IOP13XX
1659 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
1660 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
1661 default 0xfff36000 if DEBUG_HIGHBANK_UART
1662 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1663 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1664 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1665 default 0xfffe8600 if DEBUG_BCM63XX_UART
1666 default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU
1667 default 0xfffff200 if DEBUG_AT91_RM9200_DBGU
1668 default 0xfffff700 if ARCH_IOP33X
1669 depends on ARCH_EP93XX || \
1670 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1671 DEBUG_LL_UART_EFM32 || \
1672 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1673 DEBUG_NETX_UART || \
1674 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \
1675 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
1676 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \
1677 DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \
1678 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
1679 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
1680 DEBUG_S3C64XX_UART || \
1681 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \
1682 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \
1685 config DEBUG_UART_VIRT
1686 hex "Virtual base address of debug UART"
1687 default 0xc881f000 if DEBUG_RV1108_UART2
1688 default 0xc8821000 if DEBUG_RV1108_UART1
1689 default 0xc8912000 if DEBUG_RV1108_UART0
1690 default 0xe0000a00 if DEBUG_NETX_UART
1691 default 0xe0010fe0 if ARCH_RPC
1692 default 0xf0000be0 if ARCH_EBSA110
1693 default 0xf0010000 if DEBUG_ASM9260_UART
1694 default 0xf01fb000 if DEBUG_NOMADIK_UART
1695 default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836
1696 default 0xf1000300 if DEBUG_BCM_5301X
1697 default 0xf1000400 if DEBUG_BCM_HR2
1698 default 0xf1002000 if DEBUG_MT8127_UART0
1699 default 0xf1006000 if DEBUG_MT6589_UART0
1700 default 0xf1009000 if DEBUG_MT8135_UART3
1701 default 0xf1023000 if DEBUG_BCM_IPROC_UART3
1702 default 0xf11f1000 if DEBUG_VERSATILE
1703 default 0xf1600000 if DEBUG_INTEGRATOR
1704 default 0xf1c28000 if DEBUG_SUNXI_UART0
1705 default 0xf1c28400 if DEBUG_SUNXI_UART1
1706 default 0xf1f02800 if DEBUG_SUNXI_R_UART
1707 default 0xf31004c0 if DEBUG_MESON_UARTAO
1708 default 0xf4090000 if DEBUG_LPC32XX
1709 default 0xf4200000 if DEBUG_GEMINI
1710 default 0xf6200000 if DEBUG_PXA_UART1
1711 default 0xf7000000 if DEBUG_SUN9I_UART0
1712 default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0
1713 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1714 DEBUG_S3C2410_UART0)
1715 default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1
1716 default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2
1717 default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3
1718 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1719 DEBUG_S3C2410_UART1)
1720 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1721 DEBUG_S3C2410_UART2)
1722 default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1
1723 default 0xf7fc9000 if DEBUG_BERLIN_UART
1724 default 0xf8007000 if DEBUG_HIP04_UART
1725 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
1726 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1727 default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU
1728 default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU
1729 default 0xf9e09000 if DEBUG_AM33XXUART1
1730 default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
1731 default 0xfa022000 if DEBUG_TI81XXUART2
1732 default 0xfa024000 if DEBUG_TI81XXUART3
1733 default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \
1734 DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1
1735 default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \
1736 DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2
1737 default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
1738 default 0xfa71e000 if DEBUG_QCOM_UARTDM
1739 default 0xfb002000 if DEBUG_CNS3XXX
1740 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1741 default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3
1742 default 0xfb020000 if DEBUG_OMAP3UART3
1743 default 0xfb042000 if DEBUG_OMAP3UART4
1744 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1745 default 0xfc705000 if DEBUG_ZTE_ZX
1746 default 0xfcfe8600 if DEBUG_BCM63XX_UART
1747 default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX
1748 default 0xfd012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_MV78XX0
1749 default 0xfd883000 if DEBUG_ALPINE_UART0
1750 default 0xfde12000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_DOVE
1751 default 0xfe012000 if DEBUG_MVEBU_UART0_ALTERNATE && ARCH_ORION5X
1752 default 0xfe017000 if DEBUG_MMP_UART2
1753 default 0xfe018000 if DEBUG_MMP_UART3
1754 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
1755 default 0xfe230000 if DEBUG_PICOXCELL_UART
1756 default 0xfe300000 if DEBUG_BCM_KONA_UART
1757 default 0xfe800000 if ARCH_IOP32X
1758 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART
1759 default 0xfeb24000 if DEBUG_RK3X_UART0
1760 default 0xfeb26000 if DEBUG_RK3X_UART1
1761 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
1762 default 0xfeb31000 if DEBUG_KEYSTONE_UART1
1763 default 0xfec02000 if DEBUG_SOCFPGA_UART0
1764 default 0xfec02100 if DEBUG_SOCFPGA_UART1
1765 default 0xfec12000 if (DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE) && ARCH_MVEBU
1766 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
1767 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0
1768 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
1769 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1
1770 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1
1771 default 0xfec90000 if DEBUG_RK32_UART2
1772 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
1773 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
1774 default 0xfed60000 if DEBUG_RK29_UART0
1775 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1776 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1777 default 0xfedc0000 if DEBUG_EP93XX
1778 default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1
1779 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1780 default 0xfee82340 if ARCH_IOP13XX
1781 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1782 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1783 default 0xfef36000 if DEBUG_HIGHBANK_UART
1784 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1785 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1786 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1787 default 0xfefff700 if ARCH_IOP33X
1788 default 0xff003000 if DEBUG_U300_UART
1789 default 0xffd01000 if DEBUG_HIP01_UART
1790 default DEBUG_UART_PHYS if !MMU
1791 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1792 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1793 DEBUG_NETX_UART || \
1794 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
1795 DEBUG_S3C64XX_UART || \
1796 DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \
1797 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0 || \
1800 config DEBUG_UART_8250_SHIFT
1801 int "Register offset shift for the 8250 debug UART"
1802 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1803 default 0 if DEBUG_FOOTBRIDGE_COM1 || ARCH_IOP32X || DEBUG_BCM_5301X || \
1804 DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \
1808 config DEBUG_UART_8250_WORD
1809 bool "Use 32-bit accesses for 8250 UART"
1810 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1811 depends on DEBUG_UART_8250_SHIFT >= 2
1812 default y if DEBUG_PICOXCELL_UART || \
1813 DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_UART1 || \
1814 DEBUG_KEYSTONE_UART0 || DEBUG_KEYSTONE_UART1 || \
1815 DEBUG_ALPINE_UART0 || \
1816 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
1817 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_BCM_IPROC_UART3 || \
1818 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2
1820 config DEBUG_UART_8250_PALMCHIP
1821 bool "8250 UART is Palmchip BK-310x"
1822 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1824 Palmchip provides a UART implementation compatible with 16550
1825 except for having a different register layout. Say Y here if
1826 the debug UART is of this type.
1828 config DEBUG_UART_8250_FLOW_CONTROL
1829 bool "Enable flow control for 8250 UART"
1830 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1831 default y if ARCH_EBSA110 || DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC
1833 config DEBUG_UNCOMPRESS
1834 bool "Enable decompressor debugging via DEBUG_LL output"
1835 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
1836 depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
1837 (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \
1840 This option influences the normal decompressor output for
1841 multiplatform kernels. Normally, multiplatform kernels disable
1842 decompressor output because it is not possible to know where to
1843 send the decompressor output.
1845 When this option is set, the selected DEBUG_LL output method
1846 will be re-used for normal decompressor output on multiplatform
1850 config UNCOMPRESS_INCLUDE
1852 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
1853 PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
1854 default "mach/uncompress.h"
1860 Say Y here if you want to have an early console using the
1861 kernel low-level debugging functions. Add earlyprintk to your
1862 kernel parameters to enable this console.
1864 config ARM_KPROBES_TEST
1865 tristate "Kprobes test module"
1866 depends on KPROBES && MODULES
1868 Perform tests of kprobes API and instruction set simulation.
1870 config PID_IN_CONTEXTIDR
1871 bool "Write the current PID to the CONTEXTIDR register"
1872 depends on CPU_COPY_V6
1874 Enabling this option causes the kernel to write the current PID to
1875 the PROCID field of the CONTEXTIDR register, at the expense of some
1876 additional instructions during context switch. Say Y here only if you
1877 are planning to use hardware trace tools with this kernel.
1879 source "drivers/hwtracing/coresight/Kconfig"