3 source "lib/Kconfig.debug"
6 bool "Export kernel pagetable layout to userspace via debugfs"
7 depends on DEBUG_KERNEL
10 Say Y here if you want to show the kernel pagetable layout in a
11 debugfs file. This information is only useful for kernel developers
12 who are working in architecture specific areas of the kernel.
13 It is probably not a good idea to enable this feature in a production
18 bool "Filter access to /dev/mem"
21 If this option is disabled, you allow userspace (root) access to all
22 of memory, including kernel and userspace memory. Accidental
23 access to this is obviously disastrous, but specific access can
24 be used by people debugging the kernel.
26 If this option is switched on, the /dev/mem file only allows
27 userspace access to memory mapped peripherals.
31 # RMK wants arm kernels compiled with frame pointers or stack unwinding.
32 # If you know what you are doing and are willing to live without stack
33 # traces, you can get a slightly smaller kernel by setting this option to
34 # n, but then RMK will have to kill you ;).
37 depends on !THUMB2_KERNEL
38 default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
40 If you say N here, the resulting kernel will be slightly smaller and
41 faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
42 when a problem occurs with the kernel, the information that is
43 reported is severely limited.
46 bool "Enable stack unwinding support (EXPERIMENTAL)"
50 This option enables stack unwinding support in the kernel
51 using the information automatically generated by the
52 compiler. The resulting kernel image is slightly bigger but
53 the performance is not affected. Currently, this feature
54 only works with EABI compilers. If unsure say Y.
58 depends on FUNCTION_TRACER && FRAME_POINTER
62 bool "Verbose user fault messages"
64 When a user program crashes due to an exception, the kernel can
65 print a brief message explaining what the problem was. This is
66 sometimes helpful for debugging but serves no purpose on a
67 production system. Most people should say N here.
69 In addition, you need to pass user_debug=N on the kernel command
70 line to enable this feature. N consists of the sum of:
72 1 - undefined instruction events
74 4 - invalid data aborts
78 # These options are only for real kernel hackers who want to get their hands dirty.
80 bool "Kernel low-level debugging functions (read help!)"
81 depends on DEBUG_KERNEL
83 Say Y here to include definitions of printascii, printch, printhex
84 in the kernel. This is helpful if you are debugging code that
85 executes before the console is initialized.
87 Note that selecting this option will limit the kernel to a single
88 UART definition, as specified below. Attempting to boot the kernel
89 image on a different platform *will not work*, so this option should
90 not be enabled for kernels that are intended to be portable.
93 prompt "Kernel low-level debugging port"
96 config DEBUG_ALPINE_UART0
97 bool "Kernel low-level debugging messages via Alpine UART0"
98 depends on ARCH_ALPINE
99 select DEBUG_UART_8250
101 Say Y here if you want kernel low-level debugging support
102 on Alpine based platforms.
104 config DEBUG_ASM9260_UART
105 bool "Kernel low-level debugging via asm9260 UART"
106 depends on MACH_ASM9260
108 Say Y here if you want the debug print routines to direct
109 their output to an UART or USART port on asm9260 based
112 DEBUG_UART_PHYS | DEBUG_UART_VIRT
114 0x80000000 | 0xf0000000 | UART0
115 0x80004000 | 0xf0004000 | UART1
116 0x80008000 | 0xf0008000 | UART2
117 0x8000c000 | 0xf000c000 | UART3
118 0x80010000 | 0xf0010000 | UART4
119 0x80014000 | 0xf0014000 | UART5
120 0x80018000 | 0xf0018000 | UART6
121 0x8001c000 | 0xf001c000 | UART7
122 0x80020000 | 0xf0020000 | UART8
123 0x80024000 | 0xf0024000 | UART9
125 config AT91_DEBUG_LL_DBGU0
126 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12"
127 select DEBUG_AT91_UART
129 depends on SOC_AT91RM9200 || SOC_AT91SAM9
131 config AT91_DEBUG_LL_DBGU1
132 bool "Kernel low-level debugging on 9263, 9g45 and sama5d3"
133 select DEBUG_AT91_UART
135 depends on SOC_AT91SAM9 || SOC_SAMA5
137 config AT91_DEBUG_LL_DBGU2
138 bool "Kernel low-level debugging on sama5d4"
139 select DEBUG_AT91_UART
144 bool "Kernel low-level debugging on BCM2835 PL011 UART"
145 depends on ARCH_BCM2835
146 select DEBUG_UART_PL01X
148 config DEBUG_BCM_5301X
149 bool "Kernel low-level debugging on BCM5301X UART1"
150 depends on ARCH_BCM_5301X
151 select DEBUG_UART_8250
153 config DEBUG_BCM_KONA_UART
154 bool "Kernel low-level debugging messages via BCM KONA UART"
155 depends on ARCH_BCM_MOBILE
156 select DEBUG_UART_8250
158 Say Y here if you want kernel low-level debugging support
159 on Broadcom SoC platforms.
160 This low level debug works for Broadcom
161 mobile SoCs in the Kona family of chips (e.g. bcm28155,
165 bool "Kernel low-level debugging on BCM63XX UART"
166 depends on ARCH_BCM_63XX
167 select DEBUG_UART_BCM63XX
169 config DEBUG_BERLIN_UART
170 bool "Marvell Berlin SoC Debug UART"
171 depends on ARCH_BERLIN
172 select DEBUG_UART_8250
174 Say Y here if you want kernel low-level debugging support
175 on Marvell Berlin SoC based platforms.
177 config DEBUG_BRCMSTB_UART
178 bool "Use BRCMSTB UART for low-level debug"
179 depends on ARCH_BRCMSTB
180 select DEBUG_UART_8250
182 Say Y here if you want the debug print routines to direct
183 their output to the first serial port on these devices.
185 If you have a Broadcom STB chip and would like early print
186 messages to appear over the UART, select this option.
188 config DEBUG_CLPS711X_UART1
189 bool "Kernel low-level debugging messages via UART1"
190 depends on ARCH_CLPS711X
192 Say Y here if you want the debug print routines to direct
193 their output to the first serial port on these devices.
195 config DEBUG_CLPS711X_UART2
196 bool "Kernel low-level debugging messages via UART2"
197 depends on ARCH_CLPS711X
199 Say Y here if you want the debug print routines to direct
200 their output to the second serial port on these devices.
203 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
204 depends on ARCH_CNS3XXX
205 select DEBUG_UART_8250
207 Say Y here if you want the debug print routines to direct
208 their output to the CNS3xxx UART0.
210 config DEBUG_DAVINCI_DA8XX_UART1
211 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
212 depends on ARCH_DAVINCI_DA8XX
213 select DEBUG_UART_8250
215 Say Y here if you want the debug print routines to direct
216 their output to UART1 serial port on DaVinci DA8XX devices.
218 config DEBUG_DAVINCI_DA8XX_UART2
219 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
220 depends on ARCH_DAVINCI_DA8XX
221 select DEBUG_UART_8250
223 Say Y here if you want the debug print routines to direct
224 their output to UART2 serial port on DaVinci DA8XX devices.
226 config DEBUG_DAVINCI_DMx_UART0
227 bool "Kernel low-level debugging on DaVinci DMx using UART0"
228 depends on ARCH_DAVINCI_DMx
229 select DEBUG_UART_8250
231 Say Y here if you want the debug print routines to direct
232 their output to UART0 serial port on DaVinci DMx devices.
234 config DEBUG_ZYNQ_UART0
235 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
238 Say Y here if you want the debug print routines to direct
239 their output to UART0 on the Zynq platform.
241 config DEBUG_ZYNQ_UART1
242 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
245 Say Y here if you want the debug print routines to direct
246 their output to UART1 on the Zynq platform.
248 If you have a ZC702 board and want early boot messages to
249 appear on the USB serial adaptor, select this option.
251 config DEBUG_DC21285_PORT
252 bool "Kernel low-level debugging messages via footbridge serial port"
253 depends on FOOTBRIDGE
255 Say Y here if you want the debug print routines to direct
256 their output to the serial port in the DC21285 (Footbridge).
258 config DEBUG_DIGICOLOR_UA0
259 bool "Kernel low-level debugging messages via Digicolor UA0"
260 depends on ARCH_DIGICOLOR
262 Say Y here if you want the debug print routines to direct
263 their output to the UA0 serial port in the CX92755.
265 config DEBUG_FOOTBRIDGE_COM1
266 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
267 depends on FOOTBRIDGE
269 Say Y here if you want the debug print routines to direct
270 their output to the 8250 at PCI COM1.
272 config DEBUG_HI3620_UART
273 bool "Hisilicon HI3620 Debug UART"
274 depends on ARCH_HI3xxx
275 select DEBUG_UART_PL01X
277 Say Y here if you want kernel low-level debugging support
280 config DEBUG_HI3716_UART
281 bool "Hisilicon Hi3716 Debug UART"
282 depends on ARCH_HI3xxx
283 select DEBUG_UART_PL01X
285 Say Y here if you want kernel low-level debugging support
288 config DEBUG_HIGHBANK_UART
289 bool "Kernel low-level debugging messages via Highbank UART"
290 depends on ARCH_HIGHBANK
291 select DEBUG_UART_PL01X
293 Say Y here if you want the debug print routines to direct
294 their output to the UART on Highbank based devices.
296 config DEBUG_HIP01_UART
297 bool "Hisilicon Hip01 Debug UART"
298 depends on ARCH_HIP01
299 select DEBUG_UART_8250
301 Say Y here if you want kernel low-level debugging support
304 config DEBUG_HIP04_UART
305 bool "Hisilicon HiP04 Debug UART"
306 depends on ARCH_HIP04
307 select DEBUG_UART_8250
309 Say Y here if you want kernel low-level debugging support
312 config DEBUG_HIX5HD2_UART
313 bool "Hisilicon Hix5hd2 Debug UART"
314 depends on ARCH_HIX5HD2
315 select DEBUG_UART_PL01X
317 Say Y here if you want kernel low-level debugging support
320 config DEBUG_IMX1_UART
321 bool "i.MX1 Debug UART"
324 Say Y here if you want kernel low-level debugging support
327 config DEBUG_IMX23_UART
328 bool "i.MX23 Debug UART"
330 select DEBUG_UART_PL01X
332 Say Y here if you want kernel low-level debugging support
335 config DEBUG_IMX25_UART
336 bool "i.MX25 Debug UART"
339 Say Y here if you want kernel low-level debugging support
342 config DEBUG_IMX21_IMX27_UART
343 bool "i.MX21 and i.MX27 Debug UART"
344 depends on SOC_IMX21 || SOC_IMX27
346 Say Y here if you want kernel low-level debugging support
349 config DEBUG_IMX28_UART
350 bool "i.MX28 Debug UART"
352 select DEBUG_UART_PL01X
354 Say Y here if you want kernel low-level debugging support
357 config DEBUG_IMX31_UART
358 bool "i.MX31 Debug UART"
361 Say Y here if you want kernel low-level debugging support
364 config DEBUG_IMX35_UART
365 bool "i.MX35 Debug UART"
368 Say Y here if you want kernel low-level debugging support
371 config DEBUG_IMX50_UART
372 bool "i.MX50 Debug UART"
375 Say Y here if you want kernel low-level debugging support
378 config DEBUG_IMX51_UART
379 bool "i.MX51 Debug UART"
382 Say Y here if you want kernel low-level debugging support
385 config DEBUG_IMX53_UART
386 bool "i.MX53 Debug UART"
389 Say Y here if you want kernel low-level debugging support
392 config DEBUG_IMX6Q_UART
393 bool "i.MX6Q/DL Debug UART"
396 Say Y here if you want kernel low-level debugging support
399 config DEBUG_IMX6SL_UART
400 bool "i.MX6SL Debug UART"
401 depends on SOC_IMX6SL
403 Say Y here if you want kernel low-level debugging support
406 config DEBUG_IMX6SX_UART
407 bool "i.MX6SX Debug UART"
408 depends on SOC_IMX6SX
410 Say Y here if you want kernel low-level debugging support
413 config DEBUG_KEYSTONE_UART0
414 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
415 depends on ARCH_KEYSTONE
416 select DEBUG_UART_8250
418 Say Y here if you want the debug print routines to direct
419 their output to UART0 serial port on KEYSTONE2 devices.
421 config DEBUG_KEYSTONE_UART1
422 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
423 depends on ARCH_KEYSTONE
424 select DEBUG_UART_8250
426 Say Y here if you want the debug print routines to direct
427 their output to UART1 serial port on KEYSTONE2 devices.
429 config DEBUG_KS8695_UART
430 bool "KS8695 Debug UART"
431 depends on ARCH_KS8695
433 Say Y here if you want kernel low-level debugging support
436 config DEBUG_MESON_UARTAO
437 bool "Kernel low-level debugging via Meson6 UARTAO"
438 depends on ARCH_MESON
440 Say Y here if you want kernel low-lever debugging support
441 on Amlogic Meson6 based platforms on the UARTAO.
443 config DEBUG_MMP_UART2
444 bool "Kernel low-level debugging message via MMP UART2"
446 select DEBUG_UART_8250
448 Say Y here if you want kernel low-level debugging support
451 config DEBUG_MMP_UART3
452 bool "Kernel low-level debugging message via MMP UART3"
454 select DEBUG_UART_8250
456 Say Y here if you want kernel low-level debugging support
459 config DEBUG_QCOM_UARTDM
460 bool "Kernel low-level debugging messages via QCOM UARTDM"
463 Say Y here if you want the debug print routines to direct
464 their output to the serial port on Qualcomm devices.
466 ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT
467 APQ8064 0x16640000 0xf0040000
468 APQ8084 0xf995e000 0xfa75e000
469 MSM8X60 0x19c40000 0xf0040000
470 MSM8960 0x16440000 0xf0040000
471 MSM8974 0xf991e000 0xfa71e000
473 Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration
474 options based on your needs.
476 config DEBUG_MVEBU_UART0
477 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
478 depends on ARCH_MVEBU
479 select DEBUG_UART_8250
481 Say Y here if you want kernel low-level debugging support
482 on MVEBU based platforms on UART0.
484 This option should be used with the old bootloaders
485 that left the internal registers mapped at
486 0xd0000000. As of today, this is the case on
487 platforms such as the Globalscale Mirabox or the
488 Plathome OpenBlocks AX3, when using the original
491 If the wrong DEBUG_MVEBU_UART* option is selected,
492 when u-boot hands over to the kernel, the system
493 silently crashes, with no serial output at all.
495 config DEBUG_MVEBU_UART0_ALTERNATE
496 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
497 depends on ARCH_MVEBU
498 select DEBUG_UART_8250
500 Say Y here if you want kernel low-level debugging support
501 on MVEBU based platforms on UART0.
503 This option should be used with the new bootloaders
504 that remap the internal registers at 0xf1000000.
506 If the wrong DEBUG_MVEBU_UART* option is selected,
507 when u-boot hands over to the kernel, the system
508 silently crashes, with no serial output at all.
510 config DEBUG_MVEBU_UART1_ALTERNATE
511 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
512 depends on ARCH_MVEBU
513 select DEBUG_UART_8250
515 Say Y here if you want kernel low-level debugging support
516 on MVEBU based platforms on UART1.
518 This option should be used with the new bootloaders
519 that remap the internal registers at 0xf1000000.
521 If the wrong DEBUG_MVEBU_UART* option is selected,
522 when u-boot hands over to the kernel, the system
523 silently crashes, with no serial output at all.
529 Say Y here if you want kernel low-level debugging support
530 on Vybrid based platforms.
532 config DEBUG_NETX_UART
533 bool "Kernel low-level debugging messages via NetX UART"
536 Say Y here if you want kernel low-level debugging support
537 on Hilscher NetX based platforms.
539 config DEBUG_NOMADIK_UART
540 bool "Kernel low-level debugging messages via NOMADIK UART"
541 depends on ARCH_NOMADIK
542 select DEBUG_UART_PL01X
544 Say Y here if you want kernel low-level debugging support
545 on NOMADIK based platforms.
547 config DEBUG_NSPIRE_CLASSIC_UART
548 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
549 depends on ARCH_NSPIRE
550 select DEBUG_UART_8250
552 Say Y here if you want kernel low-level debugging support
553 on TI-NSPIRE classic models.
555 config DEBUG_NSPIRE_CX_UART
556 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
557 depends on ARCH_NSPIRE
558 select DEBUG_UART_PL01X
560 Say Y here if you want kernel low-level debugging support
561 on TI-NSPIRE CX models.
563 config DEBUG_OMAP1UART1
564 bool "Kernel low-level debugging via OMAP1 UART1"
565 depends on ARCH_OMAP1
566 select DEBUG_UART_8250
568 Say Y here if you want kernel low-level debugging support
569 on OMAP1 based platforms (except OMAP730) on the UART1.
571 config DEBUG_OMAP1UART2
572 bool "Kernel low-level debugging via OMAP1 UART2"
573 depends on ARCH_OMAP1
574 select DEBUG_UART_8250
576 Say Y here if you want kernel low-level debugging support
577 on OMAP1 based platforms (except OMAP730) on the UART2.
579 config DEBUG_OMAP1UART3
580 bool "Kernel low-level debugging via OMAP1 UART3"
581 depends on ARCH_OMAP1
582 select DEBUG_UART_8250
584 Say Y here if you want kernel low-level debugging support
585 on OMAP1 based platforms (except OMAP730) on the UART3.
587 config DEBUG_OMAP2UART1
588 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)"
589 depends on ARCH_OMAP2PLUS
590 select DEBUG_OMAP2PLUS_UART
592 This covers at least h4, 2430sdp, 3430sdp, 3630sdp,
593 omap3 torpedo and 3530 lv som.
595 config DEBUG_OMAP2UART2
596 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
597 depends on ARCH_OMAP2PLUS
598 select DEBUG_OMAP2PLUS_UART
600 config DEBUG_OMAP2UART3
601 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
602 depends on ARCH_OMAP2PLUS
603 select DEBUG_OMAP2PLUS_UART
605 config DEBUG_OMAP3UART3
606 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
607 depends on ARCH_OMAP2PLUS
608 select DEBUG_OMAP2PLUS_UART
610 This covers at least cm_t3x, beagle, crane, devkit8000,
611 igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,
614 config DEBUG_OMAP4UART3
615 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
616 depends on ARCH_OMAP2PLUS
617 select DEBUG_OMAP2PLUS_UART
619 config DEBUG_OMAP3UART4
620 bool "Kernel low-level debugging messages via OMAP36XX UART4"
621 depends on ARCH_OMAP2PLUS
622 select DEBUG_OMAP2PLUS_UART
624 config DEBUG_OMAP4UART4
625 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
626 depends on ARCH_OMAP2PLUS
627 select DEBUG_OMAP2PLUS_UART
629 config DEBUG_OMAP7XXUART1
630 bool "Kernel low-level debugging via OMAP730 UART1"
631 depends on ARCH_OMAP730
632 select DEBUG_UART_8250
634 Say Y here if you want kernel low-level debugging support
635 on OMAP730 based platforms on the UART1.
637 config DEBUG_OMAP7XXUART2
638 bool "Kernel low-level debugging via OMAP730 UART2"
639 depends on ARCH_OMAP730
640 select DEBUG_UART_8250
642 Say Y here if you want kernel low-level debugging support
643 on OMAP730 based platforms on the UART2.
645 config DEBUG_OMAP7XXUART3
646 bool "Kernel low-level debugging via OMAP730 UART3"
647 depends on ARCH_OMAP730
648 select DEBUG_UART_8250
650 Say Y here if you want kernel low-level debugging support
651 on OMAP730 based platforms on the UART3.
653 config DEBUG_TI81XXUART1
654 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
655 depends on ARCH_OMAP2PLUS
656 select DEBUG_OMAP2PLUS_UART
658 config DEBUG_TI81XXUART2
659 bool "Kernel low-level debugging messages via TI81XX UART2"
660 depends on ARCH_OMAP2PLUS
661 select DEBUG_OMAP2PLUS_UART
663 config DEBUG_TI81XXUART3
664 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
665 depends on ARCH_OMAP2PLUS
666 select DEBUG_OMAP2PLUS_UART
668 config DEBUG_AM33XXUART1
669 bool "Kernel low-level debugging messages via AM33XX UART1"
670 depends on ARCH_OMAP2PLUS
671 select DEBUG_OMAP2PLUS_UART
673 config DEBUG_ZOOM_UART
674 bool "Kernel low-level debugging messages via Zoom2/3 UART"
675 depends on ARCH_OMAP2PLUS
676 select DEBUG_OMAP2PLUS_UART
678 config DEBUG_PICOXCELL_UART
679 depends on ARCH_PICOXCELL
680 bool "Use PicoXcell UART for low-level debug"
681 select DEBUG_UART_8250
683 Say Y here if you want kernel low-level debugging support
684 on PicoXcell based platforms.
686 config DEBUG_PXA_UART1
688 bool "Use PXA UART1 for low-level debug"
689 select DEBUG_UART_8250
691 Say Y here if you want kernel low-level debugging support
694 config DEBUG_REALVIEW_STD_PORT
695 bool "RealView Default UART"
696 depends on ARCH_REALVIEW
697 select DEBUG_UART_PL01X
699 Say Y here if you want the debug print routines to direct
700 their output to the serial port on RealView EB, PB11MP, PBA8
703 config DEBUG_REALVIEW_PB1176_PORT
704 bool "RealView PB1176 UART"
705 depends on MACH_REALVIEW_PB1176
706 select DEBUG_UART_PL01X
708 Say Y here if you want the debug print routines to direct
709 their output to the standard serial port on the RealView
712 config DEBUG_RK29_UART0
713 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
714 depends on ARCH_ROCKCHIP
715 select DEBUG_UART_8250
717 Say Y here if you want kernel low-level debugging support
718 on Rockchip based platforms.
720 config DEBUG_RK29_UART1
721 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
722 depends on ARCH_ROCKCHIP
723 select DEBUG_UART_8250
725 Say Y here if you want kernel low-level debugging support
726 on Rockchip based platforms.
728 config DEBUG_RK29_UART2
729 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
730 depends on ARCH_ROCKCHIP
731 select DEBUG_UART_8250
733 Say Y here if you want kernel low-level debugging support
734 on Rockchip based platforms.
736 config DEBUG_RK3X_UART0
737 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
738 depends on ARCH_ROCKCHIP
739 select DEBUG_UART_8250
741 Say Y here if you want kernel low-level debugging support
742 on Rockchip based platforms.
744 config DEBUG_RK3X_UART1
745 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
746 depends on ARCH_ROCKCHIP
747 select DEBUG_UART_8250
749 Say Y here if you want kernel low-level debugging support
750 on Rockchip based platforms.
752 config DEBUG_RK3X_UART2
753 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
754 depends on ARCH_ROCKCHIP
755 select DEBUG_UART_8250
757 Say Y here if you want kernel low-level debugging support
758 on Rockchip based platforms.
760 config DEBUG_RK3X_UART3
761 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
762 depends on ARCH_ROCKCHIP
763 select DEBUG_UART_8250
765 Say Y here if you want kernel low-level debugging support
766 on Rockchip based platforms.
768 config DEBUG_RK32_UART2
769 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
770 depends on ARCH_ROCKCHIP
771 select DEBUG_UART_8250
773 Say Y here if you want kernel low-level debugging support
774 on Rockchip RK32xx based platforms.
776 config DEBUG_R7S72100_SCIF2
777 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
778 depends on ARCH_R7S72100
780 Say Y here if you want kernel low-level debugging support
781 via SCIF2 on Renesas RZ/A1H (R7S72100).
783 config DEBUG_RCAR_GEN1_SCIF0
784 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
785 depends on ARCH_R8A7778
787 Say Y here if you want kernel low-level debugging support
788 via SCIF0 on Renesas R-Car M1A (R8A7778).
790 config DEBUG_RCAR_GEN1_SCIF2
791 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
792 depends on ARCH_R8A7779
794 Say Y here if you want kernel low-level debugging support
795 via SCIF2 on Renesas R-Car H1 (R8A7779).
797 config DEBUG_RCAR_GEN2_SCIF0
798 bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7793"
799 depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7793
801 Say Y here if you want kernel low-level debugging support
802 via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), or
805 config DEBUG_RCAR_GEN2_SCIF2
806 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
807 depends on ARCH_R8A7794
809 Say Y here if you want kernel low-level debugging support
810 via SCIF2 on Renesas R-Car E2 (R8A7794).
812 config DEBUG_RMOBILE_SCIFA0
813 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
814 depends on ARCH_R8A73A4
816 Say Y here if you want kernel low-level debugging support
817 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
819 config DEBUG_RMOBILE_SCIFA1
820 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
821 depends on ARCH_R8A7740
823 Say Y here if you want kernel low-level debugging support
824 via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
826 config DEBUG_RMOBILE_SCIFA4
827 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
828 depends on ARCH_SH73A0
830 Say Y here if you want kernel low-level debugging support
831 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
833 config DEBUG_S3C_UART0
834 depends on PLAT_SAMSUNG
835 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
836 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
837 select DEBUG_S5PV210_UART if ARCH_S5PV210
838 bool "Use Samsung S3C UART 0 for low-level debug"
840 Say Y here if you want the debug print routines to direct
841 their output to UART 0. The port must have been initialised
842 by the boot-loader before use.
844 config DEBUG_S3C_UART1
845 depends on PLAT_SAMSUNG
846 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
847 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
848 select DEBUG_S5PV210_UART if ARCH_S5PV210
849 bool "Use Samsung S3C UART 1 for low-level debug"
851 Say Y here if you want the debug print routines to direct
852 their output to UART 1. The port must have been initialised
853 by the boot-loader before use.
855 config DEBUG_S3C_UART2
856 depends on PLAT_SAMSUNG
857 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
858 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
859 select DEBUG_S5PV210_UART if ARCH_S5PV210
860 bool "Use Samsung S3C UART 2 for low-level debug"
862 Say Y here if you want the debug print routines to direct
863 their output to UART 2. The port must have been initialised
864 by the boot-loader before use.
866 config DEBUG_S3C_UART3
867 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210)
868 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
869 select DEBUG_S5PV210_UART if ARCH_S5PV210
870 bool "Use Samsung S3C UART 3 for low-level debug"
872 Say Y here if you want the debug print routines to direct
873 their output to UART 3. The port must have been initialised
874 by the boot-loader before use.
876 config DEBUG_S3C2410_UART0
877 depends on ARCH_S3C24XX
878 select DEBUG_S3C2410_UART
879 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
881 Say Y here if you want the debug print routines to direct
882 their output to UART 0. The port must have been initialised
883 by the boot-loader before use.
885 config DEBUG_S3C2410_UART1
886 depends on ARCH_S3C24XX
887 select DEBUG_S3C2410_UART
888 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
890 Say Y here if you want the debug print routines to direct
891 their output to UART 1. The port must have been initialised
892 by the boot-loader before use.
894 config DEBUG_S3C2410_UART2
895 depends on ARCH_S3C24XX
896 select DEBUG_S3C2410_UART
897 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
899 Say Y here if you want the debug print routines to direct
900 their output to UART 2. The port must have been initialised
901 by the boot-loader before use.
904 depends on ARCH_SA1100
905 bool "Use SA1100 UARTs for low-level debug"
907 Say Y here if you want kernel low-level debugging support
908 on SA-11x0 UART ports. The kernel will check for the first
909 enabled UART in a sequence 3-1-2.
911 config DEBUG_SOCFPGA_UART0
912 depends on ARCH_SOCFPGA
913 bool "Use SOCFPGA UART0 for low-level debug"
914 select DEBUG_UART_8250
916 Say Y here if you want kernel low-level debugging support
917 on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
919 config DEBUG_SOCFPGA_UART1
920 depends on ARCH_SOCFPGA
921 bool "Use SOCFPGA UART1 for low-level debug"
922 select DEBUG_UART_8250
924 Say Y here if you want kernel low-level debugging support
925 on SOCFPGA(Arria 10) based platforms.
928 config DEBUG_SUN9I_UART0
929 bool "Kernel low-level debugging messages via sun9i UART0"
930 depends on MACH_SUN9I
931 select DEBUG_UART_8250
933 Say Y here if you want kernel low-level debugging support
934 on Allwinner A80 based platforms on the UART0.
936 config DEBUG_SUNXI_UART0
937 bool "Kernel low-level debugging messages via sunXi UART0"
938 depends on ARCH_SUNXI
939 select DEBUG_UART_8250
941 Say Y here if you want kernel low-level debugging support
942 on Allwinner A1X based platforms on the UART0.
944 config DEBUG_SUNXI_UART1
945 bool "Kernel low-level debugging messages via sunXi UART1"
946 depends on ARCH_SUNXI
947 select DEBUG_UART_8250
949 Say Y here if you want kernel low-level debugging support
950 on Allwinner A1X based platforms on the UART1.
952 config DEBUG_SUNXI_R_UART
953 bool "Kernel low-level debugging messages via sunXi R_UART"
954 depends on MACH_SUN6I || MACH_SUN8I
955 select DEBUG_UART_8250
957 Say Y here if you want kernel low-level debugging support
958 on Allwinner A31/A23 based platforms on the R_UART.
960 config TEGRA_DEBUG_UART_AUTO_ODMDATA
961 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
962 depends on ARCH_TEGRA
963 select DEBUG_TEGRA_UART
965 Automatically determines which UART to use for low-level
966 debug based on the ODMDATA value. This value is part of
967 the BCT, and is written to the boot memory device using
968 nvflash, or other flashing tool. When bits 19:18 are 3,
969 then bits 17:15 indicate which UART to use; 0/1/2/3/4
972 config TEGRA_DEBUG_UARTA
973 bool "Kernel low-level debugging messages via Tegra UART A"
974 depends on ARCH_TEGRA
975 select DEBUG_TEGRA_UART
977 Say Y here if you want kernel low-level debugging support
978 on Tegra based platforms.
980 config TEGRA_DEBUG_UARTB
981 bool "Kernel low-level debugging messages via Tegra UART B"
982 depends on ARCH_TEGRA
983 select DEBUG_TEGRA_UART
985 Say Y here if you want kernel low-level debugging support
986 on Tegra based platforms.
988 config TEGRA_DEBUG_UARTC
989 bool "Kernel low-level debugging messages via Tegra UART C"
990 depends on ARCH_TEGRA
991 select DEBUG_TEGRA_UART
993 Say Y here if you want kernel low-level debugging support
994 on Tegra based platforms.
996 config TEGRA_DEBUG_UARTD
997 bool "Kernel low-level debugging messages via Tegra UART D"
998 depends on ARCH_TEGRA
999 select DEBUG_TEGRA_UART
1001 Say Y here if you want kernel low-level debugging support
1002 on Tegra based platforms.
1004 config TEGRA_DEBUG_UARTE
1005 bool "Kernel low-level debugging messages via Tegra UART E"
1006 depends on ARCH_TEGRA
1007 select DEBUG_TEGRA_UART
1009 Say Y here if you want kernel low-level debugging support
1010 on Tegra based platforms.
1012 config DEBUG_SIRFPRIMA2_UART1
1013 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
1014 depends on ARCH_PRIMA2
1015 select DEBUG_SIRFSOC_UART
1017 Say Y here if you want the debug print routines to direct
1018 their output to the uart1 port on SiRFprimaII devices.
1020 config DEBUG_SIRFATLAS7_UART0
1021 bool "Kernel low-level debugging messages via SiRFatlas7 UART0"
1022 depends on ARCH_ATLAS7
1023 select DEBUG_SIRFSOC_UART
1025 Say Y here if you want the debug print routines to direct
1026 their output to the uart0 port on SiRFATLAS7 devices.The uart0
1027 is used on SiRFATLAS7 as a extra debug port.sometimes an extra
1028 debug port can be very useful.
1030 config DEBUG_SIRFATLAS7_UART1
1031 bool "Kernel low-level debugging messages via SiRFatlas7 UART1"
1032 depends on ARCH_ATLAS7
1033 select DEBUG_SIRFSOC_UART
1035 Say Y here if you want the debug print routines to direct
1036 their output to the uart1 port on SiRFATLAS7 devices.
1038 config STIH41X_DEBUG_ASC2
1039 bool "Use StiH415/416 ASC2 UART for low-level debug"
1041 select DEBUG_STI_UART
1043 Say Y here if you want kernel low-level debugging support
1044 on STiH415/416 based platforms like b2000, which has
1045 default UART wired up to ASC2.
1049 config STIH41X_DEBUG_SBC_ASC1
1050 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1052 select DEBUG_STI_UART
1054 Say Y here if you want kernel low-level debugging support
1055 on STiH415/416 based platforms like b2020. which has
1056 default UART wired up to SBC ASC1.
1060 config DEBUG_U300_UART
1061 bool "Kernel low-level debugging messages via U300 UART0"
1062 depends on ARCH_U300
1063 select DEBUG_UART_PL01X
1065 Say Y here if you want the debug print routines to direct
1066 their output to the uart port on U300 devices.
1068 config DEBUG_UX500_UART
1069 depends on ARCH_U8500
1070 bool "Use Ux500 UART for low-level debug"
1072 Say Y here if you want kernel low-level debugging support
1073 on Ux500 based platforms.
1075 config DEBUG_MT6589_UART0
1076 bool "Mediatek mt6589 UART0"
1077 depends on ARCH_MEDIATEK
1078 select DEBUG_UART_8250
1080 Say Y here if you want kernel low-level debugging support
1081 for Mediatek mt6589 based platforms on UART0.
1083 config DEBUG_MT8127_UART0
1084 bool "Mediatek mt8127/mt6592 UART0"
1085 depends on ARCH_MEDIATEK
1086 select DEBUG_UART_8250
1088 Say Y here if you want kernel low-level debugging support
1089 for Mediatek mt8127 based platforms on UART0.
1091 config DEBUG_MT8135_UART3
1092 bool "Mediatek mt8135 UART3"
1093 depends on ARCH_MEDIATEK
1094 select DEBUG_UART_8250
1096 Say Y here if you want kernel low-level debugging support
1097 for Mediatek mt8135 based platforms on UART3.
1099 config DEBUG_VEXPRESS_UART0_DETECT
1100 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1101 depends on ARCH_VEXPRESS && CPU_CP15_MMU
1103 This option enables a simple heuristic which tries to determine
1104 the motherboard's memory map variant (original or RS1) and then
1105 choose the relevant UART0 base address.
1107 Note that this will only work with standard A-class core tiles,
1108 and may fail with non-standard SMM or custom software models.
1110 config DEBUG_VEXPRESS_UART0_CA9
1111 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1112 depends on ARCH_VEXPRESS
1113 select DEBUG_UART_PL01X
1115 This option selects UART0 at 0x10009000. Except for custom models,
1116 this applies only to the V2P-CA9 tile.
1118 config DEBUG_VEXPRESS_UART0_RS1
1119 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)"
1120 depends on ARCH_VEXPRESS
1121 select DEBUG_UART_PL01X
1123 This option selects UART0 at 0x1c090000. This applies to most
1124 of the tiles using the RS1 memory map, including all new A-class
1125 core tiles, FPGA-based SMMs and software models.
1127 config DEBUG_VEXPRESS_UART0_CRX
1128 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1129 depends on ARCH_VEXPRESS && !MMU
1130 select DEBUG_UART_PL01X
1132 This option selects UART0 at 0xb0090000. This is appropriate for
1133 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1135 config DEBUG_VT8500_UART0
1136 bool "Use UART0 on VIA/Wondermedia SoCs"
1137 depends on ARCH_VT8500
1139 This option selects UART0 on VIA/Wondermedia System-on-a-chip
1140 devices, including VT8500, WM8505, WM8650 and WM8850.
1143 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1145 Say Y here if you want the debug print routines to direct
1146 their output to the EmbeddedICE macrocell's DCC channel using
1147 co-processor 14. This is known to work on the ARM9 style ICE
1148 channel and on the XScale with the PEEDI.
1150 Note that the system will appear to hang during boot if there
1151 is nothing connected to read from the DCC.
1153 config DEBUG_SEMIHOSTING
1154 bool "Kernel low-level debug output via semihosting I/O"
1156 Semihosting enables code running on an ARM target to use
1157 the I/O facilities on a host debugger/emulator through a
1158 simple SVC call. The host debugger or emulator must have
1159 semihosting enabled for the special svc call to be trapped
1160 otherwise the kernel will crash.
1162 This is known to work with OpenOCD, as well as
1163 ARM's Fast Models, or any other controlling environment
1164 that implements semihosting.
1166 For more details about semihosting, please see
1167 chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
1169 config DEBUG_LL_UART_8250
1170 bool "Kernel low-level debugging via 8250 UART"
1172 Say Y here if you wish the debug print routes to direct
1173 their output to an 8250 UART. You can use this option
1174 to provide the parameters for the 8250 UART rather than
1175 selecting one of the platform specific options above if
1176 you know the parameters for the port.
1178 This option is preferred over the platform specific
1179 options; the platform specific options are deprecated
1180 and will be soon removed.
1182 config DEBUG_LL_UART_EFM32
1183 bool "Kernel low-level debugging via efm32 UART"
1184 depends on ARCH_EFM32
1186 Say Y here if you want the debug print routines to direct
1187 their output to an UART or USART port on efm32 based
1188 machines. Use the following addresses for DEBUG_UART_PHYS:
1196 config DEBUG_LL_UART_PL01X
1197 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1199 Say Y here if you wish the debug print routes to direct
1200 their output to a PL01x Primecell UART. You can use
1201 this option to provide the parameters for the UART
1202 rather than selecting one of the platform specific
1203 options above if you know the parameters for the port.
1205 This option is preferred over the platform specific
1206 options; the platform specific options are deprecated
1207 and will be soon removed.
1211 config DEBUG_AT91_UART
1213 depends on ARCH_AT91
1215 config DEBUG_EXYNOS_UART
1218 config DEBUG_S3C2410_UART
1220 select DEBUG_S3C24XX_UART
1222 config DEBUG_S3C24XX_UART
1225 config DEBUG_S5PV210_UART
1228 config DEBUG_OMAP2PLUS_UART
1230 depends on ARCH_OMAP2PLUS
1232 config DEBUG_IMX_UART_PORT
1233 int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \
1234 DEBUG_IMX25_UART || \
1235 DEBUG_IMX21_IMX27_UART || \
1236 DEBUG_IMX31_UART || \
1237 DEBUG_IMX35_UART || \
1238 DEBUG_IMX50_UART || \
1239 DEBUG_IMX51_UART || \
1240 DEBUG_IMX53_UART || \
1241 DEBUG_IMX6Q_UART || \
1242 DEBUG_IMX6SL_UART || \
1247 Choose UART port on which kernel low-level debug messages
1250 config DEBUG_VF_UART_PORT
1251 int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART
1254 depends on SOC_VF610
1256 Choose UART port on which kernel low-level debug messages
1259 config DEBUG_TEGRA_UART
1261 depends on ARCH_TEGRA
1263 config DEBUG_STI_UART
1267 config DEBUG_SIRFSOC_UART
1269 depends on ARCH_SIRF
1271 config DEBUG_LL_INCLUDE
1273 default "debug/sa1100.S" if DEBUG_SA1100
1274 default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
1275 default "debug/at91.S" if DEBUG_AT91_UART
1276 default "debug/asm9260.S" if DEBUG_ASM9260_UART
1277 default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2
1278 default "debug/meson.S" if DEBUG_MESON_UARTAO
1279 default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
1280 default "debug/exynos.S" if DEBUG_EXYNOS_UART
1281 default "debug/efm32.S" if DEBUG_LL_UART_EFM32
1282 default "debug/icedcc.S" if DEBUG_ICEDCC
1283 default "debug/imx.S" if DEBUG_IMX1_UART || \
1284 DEBUG_IMX25_UART || \
1285 DEBUG_IMX21_IMX27_UART || \
1286 DEBUG_IMX31_UART || \
1287 DEBUG_IMX35_UART || \
1288 DEBUG_IMX50_UART || \
1289 DEBUG_IMX51_UART || \
1290 DEBUG_IMX53_UART ||\
1291 DEBUG_IMX6Q_UART || \
1292 DEBUG_IMX6SL_UART || \
1294 default "debug/ks8695.S" if DEBUG_KS8695_UART
1295 default "debug/msm.S" if DEBUG_QCOM_UARTDM
1296 default "debug/netx.S" if DEBUG_NETX_UART
1297 default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
1298 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1299 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1300 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1301 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1302 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1303 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1304 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1305 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1306 default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART
1307 default "debug/s5pv210.S" if DEBUG_S5PV210_UART
1308 default "debug/sirf.S" if DEBUG_SIRFSOC_UART
1309 default "debug/sti.S" if DEBUG_STI_UART
1310 default "debug/tegra.S" if DEBUG_TEGRA_UART
1311 default "debug/ux500.S" if DEBUG_UX500_UART
1312 default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
1313 default "debug/vf.S" if DEBUG_VF_UART
1314 default "debug/vt8500.S" if DEBUG_VT8500_UART0
1315 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
1316 default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX
1317 default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0
1318 default "mach/debug-macro.S"
1320 # Compatibility options for PL01x
1321 config DEBUG_UART_PL01X
1324 # Compatibility options for 8250
1325 config DEBUG_UART_8250
1326 def_bool ARCH_DOVE || ARCH_EBSA110 || \
1327 (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
1328 ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \
1329 ARCH_IOP33X || ARCH_IXP4XX || \
1330 ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC
1332 # Compatibility options for BCM63xx
1333 config DEBUG_UART_BCM63XX
1334 def_bool ARCH_BCM_63XX
1336 config DEBUG_UART_PHYS
1337 hex "Physical base address of debug UART"
1338 default 0x00100a00 if DEBUG_NETX_UART
1339 default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
1340 default 0x01c28000 if DEBUG_SUNXI_UART0
1341 default 0x01c28400 if DEBUG_SUNXI_UART1
1342 default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
1343 default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
1344 default 0x01f02800 if DEBUG_SUNXI_R_UART
1345 default 0x02530c00 if DEBUG_KEYSTONE_UART0
1346 default 0x02531000 if DEBUG_KEYSTONE_UART1
1347 default 0x03010fe0 if ARCH_RPC
1348 default 0x07000000 if DEBUG_SUN9I_UART0
1349 default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
1350 DEBUG_VEXPRESS_UART0_CA9
1351 default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
1352 default 0x10124000 if DEBUG_RK3X_UART0
1353 default 0x10126000 if DEBUG_RK3X_UART1
1354 default 0x101f1000 if ARCH_VERSATILE
1355 default 0x101fb000 if DEBUG_NOMADIK_UART
1356 default 0x11002000 if DEBUG_MT8127_UART0
1357 default 0x11006000 if DEBUG_MT6589_UART0
1358 default 0x11009000 if DEBUG_MT8135_UART3
1359 default 0x16000000 if ARCH_INTEGRATOR
1360 default 0x18000300 if DEBUG_BCM_5301X
1361 default 0x18010000 if DEBUG_SIRFATLAS7_UART0
1362 default 0x18020000 if DEBUG_SIRFATLAS7_UART1
1363 default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
1364 default 0x20001000 if DEBUG_HIP01_UART
1365 default 0x20060000 if DEBUG_RK29_UART0
1366 default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1367 default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1368 default 0x20201000 if DEBUG_BCM2835
1369 default 0x3e000000 if DEBUG_BCM_KONA_UART
1370 default 0x4000e400 if DEBUG_LL_UART_EFM32
1371 default 0x40090000 if ARCH_LPC32XX
1372 default 0x40100000 if DEBUG_PXA_UART1
1373 default 0x42000000 if ARCH_GEMINI
1374 default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1375 DEBUG_S3C2410_UART0)
1376 default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1377 DEBUG_S3C2410_UART1)
1378 default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1379 DEBUG_S3C2410_UART2)
1380 default 0x78000000 if DEBUG_CNS3XXX
1381 default 0x7c0003f8 if FOOTBRIDGE
1382 default 0x80010000 if DEBUG_ASM9260_UART
1383 default 0x80070000 if DEBUG_IMX23_UART
1384 default 0x80074000 if DEBUG_IMX28_UART
1385 default 0x80230000 if DEBUG_PICOXCELL_UART
1386 default 0x808c0000 if ARCH_EP93XX
1387 default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1388 default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1
1389 default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
1390 default 0xc0013000 if DEBUG_U300_UART
1391 default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1392 default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1393 default 0xd0000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1394 default 0xd0012000 if DEBUG_MVEBU_UART0
1395 default 0xc81004c0 if DEBUG_MESON_UARTAO
1396 default 0xd4017000 if DEBUG_MMP_UART2
1397 default 0xd4018000 if DEBUG_MMP_UART3
1398 default 0xe0000000 if ARCH_SPEAR13XX
1399 default 0xe4007000 if DEBUG_HIP04_UART
1400 default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
1401 default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1
1402 default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4
1403 default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2
1404 default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0
1405 default 0xe8008000 if DEBUG_R7S72100_SCIF2
1406 default 0xf0000be0 if ARCH_EBSA110
1407 default 0xf040ab00 if DEBUG_BRCMSTB_UART
1408 default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE
1409 default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE
1410 default 0xf1012000 if ARCH_DOVE || ARCH_MV78XX0 || \
1412 default 0xf7fc9000 if DEBUG_BERLIN_UART
1413 default 0xf8b00000 if DEBUG_HIX5HD2_UART
1414 default 0xf991e000 if DEBUG_QCOM_UARTDM
1415 default 0xfcb00000 if DEBUG_HI3620_UART
1416 default 0xfd883000 if DEBUG_ALPINE_UART0
1417 default 0xfe800000 if ARCH_IOP32X
1418 default 0xff690000 if DEBUG_RK32_UART2
1419 default 0xffc02000 if DEBUG_SOCFPGA_UART0
1420 default 0xffc02100 if DEBUG_SOCFPGA_UART1
1421 default 0xffd82340 if ARCH_IOP13XX
1422 default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
1423 default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
1424 default 0xfff36000 if DEBUG_HIGHBANK_UART
1425 default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1426 default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1427 default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1428 default 0xfffe8600 if DEBUG_UART_BCM63XX
1429 default 0xfffff700 if ARCH_IOP33X
1430 depends on ARCH_EP93XX || \
1431 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1432 DEBUG_LL_UART_EFM32 || \
1433 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1434 DEBUG_NETX_UART || \
1435 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \
1436 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
1437 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \
1438 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
1439 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
1440 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
1441 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
1443 config DEBUG_UART_VIRT
1444 hex "Virtual base address of debug UART"
1445 default 0xe0000a00 if DEBUG_NETX_UART
1446 default 0xe0010fe0 if ARCH_RPC
1447 default 0xf0000be0 if ARCH_EBSA110
1448 default 0xf0010000 if DEBUG_ASM9260_UART
1449 default 0xf01fb000 if DEBUG_NOMADIK_UART
1450 default 0xf0201000 if DEBUG_BCM2835
1451 default 0xf1000300 if DEBUG_BCM_5301X
1452 default 0xf1002000 if DEBUG_MT8127_UART0
1453 default 0xf1006000 if DEBUG_MT6589_UART0
1454 default 0xf1009000 if DEBUG_MT8135_UART3
1455 default 0xf11f1000 if ARCH_VERSATILE
1456 default 0xf1600000 if ARCH_INTEGRATOR
1457 default 0xf1c28000 if DEBUG_SUNXI_UART0
1458 default 0xf1c28400 if DEBUG_SUNXI_UART1
1459 default 0xf1f02800 if DEBUG_SUNXI_R_UART
1460 default 0xf6200000 if DEBUG_PXA_UART1
1461 default 0xf4090000 if ARCH_LPC32XX
1462 default 0xf4200000 if ARCH_GEMINI
1463 default 0xf7000000 if DEBUG_SUN9I_UART0
1464 default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1465 DEBUG_S3C2410_UART0)
1466 default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1467 DEBUG_S3C2410_UART1)
1468 default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1469 DEBUG_S3C2410_UART2)
1470 default 0xf7fc9000 if DEBUG_BERLIN_UART
1471 default 0xf8007000 if DEBUG_HIP04_UART
1472 default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
1473 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1474 default 0xfa71e000 if DEBUG_QCOM_UARTDM
1475 default 0xfb002000 if DEBUG_CNS3XXX
1476 default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1477 default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1478 default 0xfc40ab00 if DEBUG_BRCMSTB_UART
1479 default 0xfcfe8600 if DEBUG_UART_BCM63XX
1480 default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1481 default 0xfd000000 if ARCH_SPEAR13XX
1482 default 0xfd012000 if ARCH_MV78XX0
1483 default 0xfd883000 if DEBUG_ALPINE_UART0
1484 default 0xfde12000 if ARCH_DOVE
1485 default 0xfe012000 if ARCH_ORION5X
1486 default 0xf31004c0 if DEBUG_MESON_UARTAO
1487 default 0xfe017000 if DEBUG_MMP_UART2
1488 default 0xfe018000 if DEBUG_MMP_UART3
1489 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
1490 default 0xfe230000 if DEBUG_PICOXCELL_UART
1491 default 0xfe300000 if DEBUG_BCM_KONA_UART
1492 default 0xfe800000 if ARCH_IOP32X
1493 default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART
1494 default 0xfeb24000 if DEBUG_RK3X_UART0
1495 default 0xfeb26000 if DEBUG_RK3X_UART1
1496 default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
1497 default 0xfeb31000 if DEBUG_KEYSTONE_UART1
1498 default 0xfec02000 if DEBUG_SOCFPGA_UART0
1499 default 0xfec02100 if DEBUG_SOCFPGA_UART1
1500 default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE
1501 default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
1502 default 0xfec10000 if DEBUG_SIRFATLAS7_UART0
1503 default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
1504 default 0xfec20000 if DEBUG_SIRFATLAS7_UART1
1505 default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1
1506 default 0xfec90000 if DEBUG_RK32_UART2
1507 default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
1508 default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
1509 default 0xfed60000 if DEBUG_RK29_UART0
1510 default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1511 default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1512 default 0xfedc0000 if ARCH_EP93XX
1513 default 0xfee003f8 if FOOTBRIDGE
1514 default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1515 default 0xfee82340 if ARCH_IOP13XX
1516 default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1517 default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1518 default 0xfef36000 if DEBUG_HIGHBANK_UART
1519 default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1520 default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1521 default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1522 default 0xfefff700 if ARCH_IOP33X
1523 default 0xff003000 if DEBUG_U300_UART
1524 default 0xffd01000 if DEBUG_HIP01_UART
1525 default DEBUG_UART_PHYS if !MMU
1526 depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1527 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1528 DEBUG_NETX_UART || \
1529 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
1530 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
1531 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
1533 config DEBUG_UART_8250_SHIFT
1534 int "Register offset shift for the 8250 debug UART"
1535 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1536 default 0 if FOOTBRIDGE || ARCH_IOP32X || DEBUG_BCM_5301X || \
1537 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3
1540 config DEBUG_UART_8250_WORD
1541 bool "Use 32-bit accesses for 8250 UART"
1542 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1543 depends on DEBUG_UART_8250_SHIFT >= 2
1544 default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART0 || \
1545 DEBUG_SOCFPGA_UART1 || ARCH_KEYSTONE || \
1546 DEBUG_ALPINE_UART0 || \
1547 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
1548 DEBUG_DAVINCI_DA8XX_UART2 || \
1549 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \
1552 config DEBUG_UART_8250_FLOW_CONTROL
1553 bool "Enable flow control for 8250 UART"
1554 depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1555 default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
1557 config DEBUG_UNCOMPRESS
1559 depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG
1560 default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
1561 (!DEBUG_TEGRA_UART || !ZBOOT_ROM)
1563 This option influences the normal decompressor output for
1564 multiplatform kernels. Normally, multiplatform kernels disable
1565 decompressor output because it is not possible to know where to
1566 send the decompressor output.
1568 When this option is set, the selected DEBUG_LL output method
1569 will be re-used for normal decompressor output on multiplatform
1573 config UNCOMPRESS_INCLUDE
1575 default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
1576 PLAT_SAMSUNG || ARCH_EFM32 || \
1577 ARCH_SHMOBILE_LEGACY
1578 default "mach/uncompress.h"
1584 Say Y here if you want to have an early console using the
1585 kernel low-level debugging functions. Add earlyprintk to your
1586 kernel parameters to enable this console.
1588 config ARM_KPROBES_TEST
1589 tristate "Kprobes test module"
1590 depends on KPROBES && MODULES
1592 Perform tests of kprobes API and instruction set simulation.
1594 config PID_IN_CONTEXTIDR
1595 bool "Write the current PID to the CONTEXTIDR register"
1596 depends on CPU_COPY_V6
1598 Enabling this option causes the kernel to write the current PID to
1599 the PROCID field of the CONTEXTIDR register, at the expense of some
1600 additional instructions during context switch. Say Y here only if you
1601 are planning to use hardware trace tools with this kernel.
1603 config DEBUG_SET_MODULE_RONX
1604 bool "Set loadable kernel module data as NX and text as RO"
1607 This option helps catch unintended modifications to loadable
1608 kernel module's text and read-only data. It also prevents execution
1609 of module data. Such protection may interfere with run-time code
1610 patching and dynamic kernel tracing - and they might also protect
1611 against certain classes of kernel exploits.
1612 If in doubt, say "N".
1614 source "drivers/hwtracing/coresight/Kconfig"