arch/arm/Kconfig.debug

1 # SPDX-License-Identifier: GPL-2.0
8 	depends on DEBUG_KERNEL
9 	depends on MMU
21 	bool "Warn on W+X mappings at boot"
22 	depends on MMU
44 		once the kernel has booted up - it's a one time check.
50 	default UNWINDER_ARM if AEABI
51 	default UNWINDER_FRAME_POINTER if !AEABI
59 	depends on !THUMB2_KERNEL
68 	depends on AEABI
84 	depends on EXPERT
101 	  sometimes helpful for debugging but serves no purpose on a
104 	  In addition, you need to pass user_debug=N on the kernel command
107 	      1 - undefined instruction events
108 	      2 - system calls
109 	      4 - invalid data aborts
110 	      8 - SIGSEGV faults
111 	     16 - SIGBUS faults
115 	bool "Kernel low-level debugging functions (read help!)"
116 	depends on DEBUG_KERNEL
124 	  image on a different platform *will not work*, so this option should
128 	prompt "Kernel low-level debugging port"
129 	depends on DEBUG_LL
132 		bool "Kernel low-level debugging messages via Alpine UART0"
133 		depends on ARCH_ALPINE
136 		  Say Y here if you want kernel low-level debugging support
137 		  on Alpine based platforms.
140 		bool "Kernel low-level debugging via asm9260 UART"
141 		depends on MACH_ASM9260
144 		  their output to an UART or USART port on asm9260 based
161 		bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU"
163 		depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60
165 		  Say Y here if you want kernel low-level debugging support
166 		  on the DBGU port of:
171 		bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
173 		depends on SOC_AT91SAM9 || SOC_SAMA5D3
175 		  Say Y here if you want kernel low-level debugging support
176 		  on the DBGU port of:
181 		bool "Kernel low-level debugging on SAMA5D2 UART1"
183 		depends on SOC_SAMA5D2
185 		  Say Y here if you want kernel low-level debugging support
186 		  on the UART1 port of sama5d2.
189 		bool "Kernel low-level debugging on SAMA5D4 USART3"
191 		depends on SOC_SAMA5D4
193 		  Say Y here if you want kernel low-level debugging support
194 		  on the USART3 port of sama5d4.
197 		bool "Kernel low-level debugging via SAMV7 USART1"
199 		depends on SOC_SAMV7
202 		  their output to the USART1 port on SAMV7 based
206 		bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3"
208 		depends on SOC_SAMA7G5
210 		  Say Y here if you want kernel low-level debugging support
211 		  on the FLEXCOM3 port of SAMA7G5.
214 		bool "Kernel low-level debugging on LAN966 FLEXCOM USART"
216 		depends on SOC_LAN966
218 		Say Y here if you want kernel low-level debugging support
219 		on the FLEXCOM port of LAN966.
229 		By default, enabling FLEXCOM3 port. Based on requirement, use
234 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
235 		depends on ARCH_BCM2835 && ARCH_MULTI_V6
239 		bool "Kernel low-level debugging on BCM2836 PL011 UART"
240 		depends on ARCH_BCM2835 && ARCH_MULTI_V7
244 		bool "Kernel low-level debugging on BCM5301X/NSP UART1"
245 		depends on ARCH_BCM_5301X || ARCH_BCM_NSP
249 		bool "Kernel low-level debugging on Hurricane 2 UART2"
250 		depends on ARCH_BCM_HR2
254 		bool "Kernel low-level debugging on BCM IPROC UART3"
255 		depends on ARCH_BCM_CYGNUS
259 		  their output to the third serial port on these devices.
262 		bool "Kernel low-level debugging messages via BCM KONA UART"
263 		depends on ARCH_BCM_MOBILE
266 		  Say Y here if you want kernel low-level debugging support
267 		  on Broadcom SoC platforms.
273 		bool "Kernel low-level debugging on BCM63XX UART"
274 		depends on ARCH_BCMBCA
278 		depends on ARCH_BERLIN
281 		  Say Y here if you want kernel low-level debugging support
282 		  on Marvell Berlin SoC based platforms.
285 		bool "Use BRCMSTB UART for low-level debug"
286 		depends on ARCH_BRCMSTB
289 		  their output to the first serial port on these devices. The
291 		  based on the chip identification register value.
297 		bool "Kernel low-level debugging messages via UART1"
298 		depends on ARCH_CLPS711X
301 		  their output to the first serial port on these devices.
304 		bool "Kernel low-level debugging messages via UART2"
305 		depends on ARCH_CLPS711X
308 		  their output to the second serial port on these devices.
311 		bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
312 		depends on ARCH_DAVINCI_DA8XX
316 		  their output to UART1 serial port on DaVinci DA8XX devices.
319 		bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
320 		depends on ARCH_DAVINCI_DA8XX
324 		  their output to UART2 serial port on DaVinci DA8XX devices.
327 		bool "Kernel low-level debugging messages via footbridge serial port"
328 		depends on FOOTBRIDGE
334 		bool "Kernel low-level debugging messages via Digicolor UA0"
335 		depends on ARCH_DIGICOLOR
341 		bool "Kernel low-level debugging messages via ep93xx UART"
342 		depends on ARCH_EP93XX
345 		  Say Y here if you want kernel low-level debugging support
346 		  on Cirrus Logic EP93xx based platforms.
349 		bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
350 		depends on FOOTBRIDGE
357 		bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
358 		depends on ARCH_GEMINI
361 		  Say Y here if you want kernel low-level debugging support
362 		  on Cortina Gemini based platforms.
366 		depends on ARCH_HI3xxx
369 		  Say Y here if you want kernel low-level debugging support
370 		  on HI3620 UART.
373 		bool "Kernel low-level debugging messages via Highbank UART"
374 		depends on ARCH_HIGHBANK
378 		  their output to the UART on Highbank based devices.
382 		depends on ARCH_HIP01
385 		  Say Y here if you want kernel low-level debugging support
386 		  on HIP01 UART.
390 		depends on ARCH_HIP04
393 		  Say Y here if you want kernel low-level debugging support
394 		  on HIP04 UART.
398 		depends on ARCH_HIX5HD2
401 		  Say Y here if you want kernel low-level debugging support
402 		  on Hix5hd2 UART.
406 		depends on SOC_IMX1
408 		  Say Y here if you want kernel low-level debugging support
409 		  on i.MX1.
413 		depends on SOC_IMX23
416 		  Say Y here if you want kernel low-level debugging support
417 		  on i.MX23.
421 		depends on SOC_IMX25
423 		  Say Y here if you want kernel low-level debugging support
424 		  on i.MX25.
428 		depends on SOC_IMX27
430 		  Say Y here if you want kernel low-level debugging support
431 		  on i.MX27.
435 		depends on SOC_IMX28
438 		  Say Y here if you want kernel low-level debugging support
439 		  on i.MX28.
443 		depends on SOC_IMX31
445 		  Say Y here if you want kernel low-level debugging support
446 		  on i.MX31.
450 		depends on SOC_IMX35
452 		  Say Y here if you want kernel low-level debugging support
453 		  on i.MX35.
457 		depends on SOC_IMX50
459 		  Say Y here if you want kernel low-level debugging support
460 		  on i.MX50.
464 		depends on SOC_IMX51
466 		  Say Y here if you want kernel low-level debugging support
467 		  on i.MX51.
471 		depends on SOC_IMX53
473 		  Say Y here if you want kernel low-level debugging support
474 		  on i.MX53.
478 		depends on SOC_IMX6Q
480 		  Say Y here if you want kernel low-level debugging support
481 		  on i.MX6Q/DL.
485 		depends on SOC_IMX6SL
487 		  Say Y here if you want kernel low-level debugging support
488 		  on i.MX6SL.
492 		depends on SOC_IMX6SX
494 		  Say Y here if you want kernel low-level debugging support
495 		  on i.MX6SX.
499 		depends on SOC_IMX6UL
501 		  Say Y here if you want kernel low-level debugging support
502 		  on i.MX6UL.
506 		depends on SOC_IMX7D
508 		  Say Y here if you want kernel low-level debugging support
509 		  on i.MX7D.
512 		bool "Kernel low-level debugging messages via ARM Integrator UART"
513 		depends on ARCH_INTEGRATOR
516 		  Say Y here if you want kernel low-level debugging support
517 		  on ARM Integrator platforms.
520 		bool "Kernel low-level debugging on KEYSTONE2 using UART0"
521 		depends on ARCH_KEYSTONE
525 		  their output to UART0 serial port on KEYSTONE2 devices.
528 		bool "Kernel low-level debugging on KEYSTONE2 using UART1"
529 		depends on ARCH_KEYSTONE
533 		  their output to UART1 serial port on KEYSTONE2 devices.
536 		bool "Kernel low-level debugging via LPC18xx/43xx UART0"
537 		depends on ARCH_LPC18XX
540 		  Say Y here if you want kernel low-level debugging support
541 		  on NXP LPC18xx/43xx UART0.
544 		bool "Kernel low-level debugging messages via NXP LPC32xx UART"
545 		depends on ARCH_LPC32XX
548 		  Say Y here if you want kernel low-level debugging support
549 		  on NXP LPC32xx based platforms.
552 		bool "Kernel low-level debugging via Meson6 UARTAO"
553 		depends on ARCH_MESON
555 		  Say Y here if you want kernel low-lever debugging support
556 		  on Amlogic Meson6 based platforms on the UARTAO.
559 		bool "Kernel low-level debugging message via MMP UART2"
560 		depends on ARCH_MMP
563 		  Say Y here if you want kernel low-level debugging support
564 		  on MMP UART2.
567 		bool "Kernel low-level debugging message via MMP UART3"
568 		depends on ARCH_MMP
571 		  Say Y here if you want kernel low-level debugging support
572 		  on MMP UART3.
575 		bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
576 		depends on ARCH_MVEBU
577 		depends on ARCH_MVEBU && CPU_V7
580 		  Say Y here if you want kernel low-level debugging support
581 		  on MVEBU based platforms on UART0.
585 		  0xd0000000. As of today, this is the case on
590 		  This option will not work on older Marvell platforms
595 		  when u-boot hands over to the kernel, the system
599 		bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
600 		depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X
603 		  Say Y here if you want kernel low-level debugging support
604 		  on MVEBU based platforms on UART0. (Armada XP, Armada 3xx,
612 		  when u-boot hands over to the kernel, the system
616 		bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
617 		depends on ARCH_MVEBU
620 		  Say Y here if you want kernel low-level debugging support
621 		  on MVEBU based platforms on UART1. (Armada XP, Armada 3xx,
630 		  when u-boot hands over to the kernel, the system
634 		bool "Kernel low-level debugging messages via MSTARV7 PM UART"
635 		depends on ARCH_MSTARV7
638 		  Say Y here if you want kernel low-level debugging support
639 		  for MSTAR ARMv7-based platforms on PM UART.
643 		depends on ARCH_MEDIATEK
646 		  Say Y here if you want kernel low-level debugging support
647 		  for Mediatek mt6589 based platforms on UART0.
651 		depends on ARCH_MEDIATEK
654 		  Say Y here if you want kernel low-level debugging support
655 		  for Mediatek mt8127 based platforms on UART0.
659 		depends on ARCH_MEDIATEK
662 		  Say Y here if you want kernel low-level debugging support
663 		  for Mediatek mt8135 based platforms on UART3.
666 		bool "Kernel low-level debugging messages via NOMADIK UART"
667 		depends on ARCH_NOMADIK
670 		  Say Y here if you want kernel low-level debugging support
671 		  on NOMADIK based platforms.
674 		bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
675 		depends on ARCH_NSPIRE
678 		  Say Y here if you want kernel low-level debugging support
679 		  on TI-NSPIRE classic models.
682 		bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
683 		depends on ARCH_NSPIRE
686 		  Say Y here if you want kernel low-level debugging support
687 		  on TI-NSPIRE CX models.
690 		bool "Kernel low-level debugging via OMAP1 UART1"
691 		depends on ARCH_OMAP1
694 		  Say Y here if you want kernel low-level debugging support
695 		  on OMAP1 based platforms (except OMAP730) on the UART1.
698 		bool "Kernel low-level debugging via OMAP1 UART2"
699 		depends on ARCH_OMAP1
702 		  Say Y here if you want kernel low-level debugging support
703 		  on OMAP1 based platforms (except OMAP730) on the UART2.
706 		bool "Kernel low-level debugging via OMAP1 UART3"
707 		depends on ARCH_OMAP1
710 		  Say Y here if you want kernel low-level debugging support
711 		  on OMAP1 based platforms (except OMAP730) on the UART3.
715 		depends on ARCH_OMAP2PLUS
722 		bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
723 		depends on ARCH_OMAP2PLUS
727 		bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
728 		depends on ARCH_OMAP2PLUS
732 		bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
733 		depends on ARCH_OMAP2PLUS
741 		bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
742 		depends on ARCH_OMAP2PLUS
746 		bool "Kernel low-level debugging messages via OMAP36XX UART4"
747 		depends on ARCH_OMAP2PLUS
751 		bool "Kernel low-level debugging messages via OMAP4/5 UART4"
752 		depends on ARCH_OMAP2PLUS
756 		bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
757 		depends on ARCH_OMAP2PLUS
761 		bool "Kernel low-level debugging messages via TI81XX UART2"
762 		depends on ARCH_OMAP2PLUS
766 		bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
767 		depends on ARCH_OMAP2PLUS
771 		bool "Kernel low-level debugging messages via AM33XX UART1"
772 		depends on ARCH_OMAP2PLUS
776 		bool "Kernel low-level debugging messages via Zoom2/3 UART"
777 		depends on ARCH_OMAP2PLUS
781 		depends on ARCH_PXA
782 		bool "Use PXA UART1 for low-level debug"
785 		  Say Y here if you want kernel low-level debugging support
786 		  on PXA UART1.
789 		bool "Kernel low-level debugging messages via QCOM UARTDM"
790 		depends on ARCH_QCOM
793 		  their output to the serial port on Qualcomm devices.
804 		  options based on your needs.
807 		bool "RealView Default UART"
808 		depends on ARCH_REALVIEW
812 		  their output to the serial port on RealView EB, PB11MP, PBA8
817 		depends on MACH_REALVIEW_PB1176
821 		  their output to the standard serial port on the RealView
825 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
826 		depends on ARCH_ROCKCHIP
829 		  Say Y here if you want kernel low-level debugging support
830                   on Rockchip RV1108 based platforms.
833 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
834 		depends on ARCH_ROCKCHIP
837 		  Say Y here if you want kernel low-level debugging support
838 		  on Rockchip RV1108 based platforms.
841 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
842 		depends on ARCH_ROCKCHIP
845 		  Say Y here if you want kernel low-level debugging support
846 		  on Rockchip RV1108 based platforms.
849 		bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
850 		depends on ARCH_ROCKCHIP
853 		  Say Y here if you want kernel low-level debugging support
854 		  on Rockchip based platforms.
857 		bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
858 		depends on ARCH_ROCKCHIP
861 		  Say Y here if you want kernel low-level debugging support
862 		  on Rockchip based platforms.
865 		bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
866 		depends on ARCH_ROCKCHIP
869 		  Say Y here if you want kernel low-level debugging support
870 		  on Rockchip based platforms.
873 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
874 		depends on ARCH_ROCKCHIP
877 		  Say Y here if you want kernel low-level debugging support
878 		  on Rockchip based platforms.
881 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
882 		depends on ARCH_ROCKCHIP
885 		  Say Y here if you want kernel low-level debugging support
886 		  on Rockchip based platforms.
889 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
890 		depends on ARCH_ROCKCHIP
893 		  Say Y here if you want kernel low-level debugging support
894 		  on Rockchip based platforms.
897 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
898 		depends on ARCH_ROCKCHIP
901 		  Say Y here if you want kernel low-level debugging support
902 		  on Rockchip based platforms.
905 		bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
906 		depends on ARCH_ROCKCHIP
909 		  Say Y here if you want kernel low-level debugging support
910 		  on Rockchip RK32xx based platforms.
913 		bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
914 		depends on ARCH_R7S72100
916 		  Say Y here if you want kernel low-level debugging support
917 		  via SCIF2 on Renesas RZ/A1H (R7S72100).
920 		bool "Kernel low-level debugging messages via SCIF2 on R7S9210"
921 		depends on ARCH_R7S9210
923 		  Say Y here if you want kernel low-level debugging support
924 		  via SCIF2 on Renesas RZ/A2M (R7S9210).
927 		bool "Kernel low-level debugging messages via SCIF4 on R7S9210"
928 		depends on ARCH_R7S9210
930 		  Say Y here if you want kernel low-level debugging support
931 		  via SCIF4 on Renesas RZ/A2M (R7S9210).
934 		bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
935 		depends on ARCH_R8A7778
937 		  Say Y here if you want kernel low-level debugging support
938 		  via SCIF0 on Renesas R-Car M1A (R8A7778).
941 		bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
942 		depends on ARCH_R8A7779
944 		  Say Y here if you want kernel low-level debugging support
945 		  via SCIF2 on Renesas R-Car H1 (R8A7779).
948 		bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
949 		depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \
952 		  Say Y here if you want kernel low-level debugging support
953 		  via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744),
954 		  R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or
955 		  M2-N (R8A7793).
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).
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).
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).
979 		bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
980 		depends on ARCH_R8A7742
982 		  Say Y here if you want kernel low-level debugging support
983 		  via SCIFA2 on Renesas RZ/G1H (R8A7742).
986 		bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
987 		depends on ARCH_R8A73A4
989 		  Say Y here if you want kernel low-level debugging support
990 		  via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
993 		bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
994 		depends on ARCH_R8A7740
996 		  Say Y here if you want kernel low-level debugging support
997 		  via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
1000 		bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
1001 		depends on ARCH_SH73A0
1003 		  Say Y here if you want kernel low-level debugging support
1004 		  via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
1007 		depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS
1011 		bool "Use Samsung S3C UART 0 for low-level debug"
1015 		  by the boot-loader before use.
1018 		depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS
1022 		bool "Use Samsung S3C UART 1 for low-level debug"
1026 		  by the boot-loader before use.
1029 		depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS
1033 		bool "Use Samsung S3C UART 2 for low-level debug"
1037 		  by the boot-loader before use.
1040 		depends on ARCH_EXYNOS || ARCH_S5PV210
1044 		bool "Use Samsung S3C UART 3 for low-level debug"
1048 		  by the boot-loader before use.
1051 		depends on ARCH_SA1100
1052 		bool "Use SA1100 UARTs for low-level debug"
1054 		  Say Y here if you want kernel low-level debugging support
1055 		  on SA-11x0 UART ports. The kernel will check for the first
1056 		  enabled UART in a sequence 3-1-2.
1060 		depends on ARCH_SD5203
1063 		  Say Y here if you want kernel low-level debugging support
1064 		  on SD5203 UART.
1067 		depends on ARCH_INTEL_SOCFPGA
1068 		bool "Use SOCFPGA UART0 for low-level debug"
1071 		  Say Y here if you want kernel low-level debugging support
1072 		  on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
1075 		depends on ARCH_INTEL_SOCFPGA
1076 		bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1079 		  Say Y here if you want kernel low-level debugging support
1080 		  on SOCFPGA(Arria 10) based platforms.
1083 		depends on ARCH_INTEL_SOCFPGA
1084 		bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1087 		  Say Y here if you want kernel low-level debugging support
1088 		  on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
1091 		bool "Kernel low-level debugging messages via sun9i UART0"
1092 		depends on MACH_SUN9I
1095 		  Say Y here if you want kernel low-level debugging support
1096 		  on Allwinner A80 based platforms on the UART0.
1099 		bool "Kernel low-level debugging messages via sunXi UART0"
1100 		depends on ARCH_SUNXI
1103 		  Say Y here if you want kernel low-level debugging support
1104 		  on Allwinner A1X based platforms on the UART0.
1107 		bool "Kernel low-level debugging messages via sunXi UART1"
1108 		depends on ARCH_SUNXI
1111 		  Say Y here if you want kernel low-level debugging support
1112 		  on Allwinner A1X based platforms on the UART1.
1115 		bool "Kernel low-level debugging messages via sunXi R_UART"
1116 		depends on MACH_SUN6I || MACH_SUN8I
1119 		  Say Y here if you want kernel low-level debugging support
1120 		  on Allwinner A31/A23 based platforms on the R_UART.
1123 		bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1124 		depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX
1127 		  Say Y here if you want kernel low-level debugging support
1128 		  on ST SPEAr based platforms.
1131 		bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1132 		depends on ARCH_SPEAR13XX
1135 		  Say Y here if you want kernel low-level debugging support
1136 		  on ST SPEAr13xx based platforms.
1139 		bool "Use StiH415/416 ASC2 UART for low-level debug"
1140 		depends on ARCH_STI
1142 		  Say Y here if you want kernel low-level debugging support
1143 		  on STiH415/416 based platforms like b2000, which has
1144 		  default UART wired up to ASC2.
1149 		bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1150 		depends on ARCH_STI
1152 		  Say Y here if you want kernel low-level debugging support
1153 		  on STiH415/416 based platforms like b2020. which has
1154 		  default UART wired up to SBC ASC1.
1159 		bool "Use StiH418 SBC ASC0 UART for low-level debug"
1160 		depends on ARCH_STI
1162 		  Say Y here if you want kernel low-level debugging support
1163 		  on STiH418 based platforms which has default UART wired
1169 		bool "Use STM32F4 UART for low-level debug"
1170 		depends on MACH_STM32F429 || MACH_STM32F469
1173 		  Say Y here if you want kernel low-level debugging support
1174 		  on STM32F4 based platforms, which default UART is wired on
1181 		bool "Use STM32F7 UART for low-level debug"
1182 		depends on MACH_STM32F746 || MACH_STM32F769
1185 		  Say Y here if you want kernel low-level debugging support
1186 		  on STM32F7 based platforms, which default UART is wired on
1193 		bool "Use STM32H7 UART for low-level debug"
1194 		depends on MACH_STM32H743
1197 		  Say Y here if you want kernel low-level debugging support
1198 		  on STM32H7 based platforms, which default UART is wired on
1205 		bool "Use STM32MP1 UART for low-level debug"
1206 		depends on MACH_STM32MP157
1209 		  Say Y here if you want kernel low-level debugging support on
1210 		  STM32MP1-based platforms, where the default UART is wired to
1217 		bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1218 		depends on ARCH_TEGRA
1221 		  Automatically determines which UART to use for low-level
1222 		  debug based on the ODMDATA value. This value is part of
1229 		bool "Kernel low-level debugging messages via Tegra UART A"
1230 		depends on ARCH_TEGRA
1233 		  Say Y here if you want kernel low-level debugging support
1234 		  on Tegra based platforms.
1237 		bool "Kernel low-level debugging messages via Tegra UART B"
1238 		depends on ARCH_TEGRA
1241 		  Say Y here if you want kernel low-level debugging support
1242 		  on Tegra based platforms.
1245 		bool "Kernel low-level debugging messages via Tegra UART C"
1246 		depends on ARCH_TEGRA
1249 		  Say Y here if you want kernel low-level debugging support
1250 		  on Tegra based platforms.
1253 		bool "Kernel low-level debugging messages via Tegra UART D"
1254 		depends on ARCH_TEGRA
1257 		  Say Y here if you want kernel low-level debugging support
1258 		  on Tegra based platforms.
1261 		bool "Kernel low-level debugging messages via Tegra UART E"
1262 		depends on ARCH_TEGRA
1265 		  Say Y here if you want kernel low-level debugging support
1266 		  on Tegra based platforms.
1269 		depends on ARCH_U8500
1270 		bool "Use Ux500 UART for low-level debug"
1272 		  Say Y here if you want kernel low-level debugging support
1273 		  on Ux500 based platforms.
1276 		bool "Kernel low-level debugging messages via ARM Versatile UART"
1277 		depends on ARCH_VERSATILE
1280 		  Say Y here if you want kernel low-level debugging support
1281 		  on ARM Versatile platforms.
1284 		bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1285 		depends on ARCH_VEXPRESS && CPU_CP15_MMU
1291 		  Note that this will only work with standard A-class core tiles,
1292 		  and may fail with non-standard SMM or custom software models.
1295 		bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1296 		depends on ARCH_VEXPRESS
1300 		  this applies only to the V2P-CA9 tile.
1304 		depends on ARCH_VEXPRESS
1308 		  of the tiles using the RS1 memory map, including all new A-class
1309 		  core tiles, FPGA-based SMMs and software models.
1312 		bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1313 		depends on ARCH_VEXPRESS && !MMU
1317 		  Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1321 		depends on SOC_VF610
1323 		  Say Y here if you want kernel low-level debugging support
1324 		  on Vybrid based platforms.
1327 		bool "Use UART0 on VIA/Wondermedia SoCs"
1328 		depends on ARCH_VT8500
1330 		  This option selects UART0 on VIA/Wondermedia System-on-a-chip
1334 		bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1335 		depends on ARCH_ZYNQ
1338 		  their output to UART0 on the Zynq platform.
1341 		bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1342 		depends on ARCH_ZYNQ
1345 		  their output to UART1 on the Zynq platform.
1348 		  appear on the USB serial adaptor, select this option.
1351 		bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1355 		  co-processor 14. This is known to work on the ARM9 style ICE
1356 		  channel and on the XScale with the PEEDI.
1362 		bool "Kernel low-level debug output via semihosting I/O"
1364 		  Semihosting enables code running on an ARM target to use
1365 		  the I/O facilities on a host debugger/emulator through a
1378 		bool "Kernel low-level debugging via 8250 UART"
1391 		bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1407 	depends on ARCH_AT91
1419 	depends on DEBUG_S3C64XX_UART ||  DEBUG_S5PV210_UART || \
1422 	default "0" if DEBUG_S3C_UART0
1423 	default "1" if DEBUG_S3C_UART1
1424 	default "2" if DEBUG_S3C_UART2
1425 	default "3" if DEBUG_S3C_UART3
1429 	depends on ARCH_OMAP2PLUS
1433 	depends on DEBUG_IMX1_UART || \
1446 	default 1
1448 	  Choose UART port on which kernel low-level debug messages
1453 	default 1
1455 	depends on SOC_VF610
1457 	  Choose UART port on which kernel low-level debug messages
1462 	depends on ARCH_TEGRA
1466 	depends on ARCH_STM32
1470 	depends on DEBUG_LL
1471 	default y if DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC
1481 	default "debug/sa1100.S" if DEBUG_SA1100
1482 	default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP
1483 	default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
1484 	default "debug/at91.S" if DEBUG_AT91_UART
1485 	default "debug/asm9260.S" if DEBUG_ASM9260_UART
1486 	default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2
1487 	default "debug/dc21285.S" if DEBUG_DC21285_PORT
1488 	default "debug/meson.S" if DEBUG_MESON_UARTAO
1489 	default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
1490 	default "debug/exynos.S" if DEBUG_EXYNOS_UART
1491 	default "debug/icedcc.S" if DEBUG_ICEDCC
1492 	default "debug/imx.S" if DEBUG_IMX1_UART || \
1505 	default "debug/msm.S" if DEBUG_QCOM_UARTDM
1506 	default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
1507 	default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1508 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2
1509 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4
1510 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1511 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1512 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1513 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1514 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1515 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1516 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
1517 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1518 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1519 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1520 	default "debug/s3c24xx.S" if DEBUG_S3C64XX_UART
1521 	default "debug/s5pv210.S" if DEBUG_S5PV210_UART
1522 	default "debug/sti.S" if DEBUG_STIH41X_ASC2
1523 	default "debug/sti.S" if DEBUG_STIH41X_SBC_ASC1
1524 	default "debug/sti.S" if DEBUG_STIH418_SBC_ASC0
1525 	default "debug/stm32.S" if DEBUG_STM32_UART
1526 	default "debug/tegra.S" if DEBUG_TEGRA_UART
1527 	default "debug/ux500.S" if DEBUG_UX500_UART
1528 	default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
1529 	default "debug/vf.S" if DEBUG_VF_UART
1530 	default "debug/vt8500.S" if DEBUG_VT8500_UART0
1531 	default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
1532 	default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART
1533 	default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0
1534 	default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART
1535 	default "mach/debug-macro.S"
1547 	default 0x01c28000 if DEBUG_SUNXI_UART0
1548 	default 0x01c28400 if DEBUG_SUNXI_UART1
1549 	default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
1550 	default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
1551 	default 0x01f02800 if DEBUG_SUNXI_R_UART
1552 	default 0x02530c00 if DEBUG_KEYSTONE_UART0
1553 	default 0x02531000 if DEBUG_KEYSTONE_UART1
1554 	default 0x03010fe0 if ARCH_RPC
1555 	default 0x07000000 if DEBUG_SUN9I_UART0
1556 	default 0x09530000 if DEBUG_STIH418_SBC_ASC0
1557 	default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
1559 	default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
1560 	default 0x10124000 if DEBUG_RK3X_UART0
1561 	default 0x10126000 if DEBUG_RK3X_UART1
1562 	default 0x101f1000 if DEBUG_VERSATILE
1563 	default 0x101fb000 if DEBUG_NOMADIK_UART
1564 	default 0x10210000 if DEBUG_RV1108_UART2
1565 	default 0x10220000 if DEBUG_RV1108_UART1
1566 	default 0x10230000 if DEBUG_RV1108_UART0
1567 	default 0x11002000 if DEBUG_MT8127_UART0
1568 	default 0x11006000 if DEBUG_MT6589_UART0
1569 	default 0x11009000 if DEBUG_MT8135_UART3
1570 	default 0x16000000 if DEBUG_INTEGRATOR
1571 	default 0x1600d000 if DEBUG_SD5203_UART
1572 	default 0x18000300 if DEBUG_BCM_5301X
1573 	default 0x18000400 if DEBUG_BCM_HR2
1574 	default 0x18023000 if DEBUG_BCM_IPROC_UART3
1575 	default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
1576 	default 0x1f221000 if DEBUG_MSTARV7_PMUART
1577 	default 0x20001000 if DEBUG_HIP01_UART
1578 	default 0x20060000 if DEBUG_RK29_UART0
1579 	default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1580 	default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1581 	default 0x20201000 if DEBUG_BCM2835
1582 	default 0x3e000000 if DEBUG_BCM_KONA_UART
1583 	default 0x3f201000 if DEBUG_BCM2836
1584 	default 0x40010000 if STM32MP1_DEBUG_UART
1585 	default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \
1587 	default 0x40028000 if DEBUG_AT91_SAMV7_USART1
1588 	default 0x40081000 if DEBUG_LPC18XX_UART0
1589 	default 0x40090000 if DEBUG_LPC32XX
1590 	default 0x40100000 if DEBUG_PXA_UART1
1591 	default 0x42000000 if DEBUG_GEMINI
1592 	default 0x44e09000 if DEBUG_AM33XXUART1
1593 	default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
1594 	default 0x48022000 if DEBUG_TI81XXUART2
1595 	default 0x48024000 if DEBUG_TI81XXUART3
1596 	default 0x4806a000 if DEBUG_OMAP2UART1
1597 	default 0x4806c000 if DEBUG_OMAP2UART2
1598 	default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
1599 	default 0x49020000 if DEBUG_OMAP3UART3
1600 	default 0x49042000 if DEBUG_OMAP3UART4
1601 	default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1
1602 	default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0
1603 	default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1
1604 	default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2
1605 	default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3
1606 	default 0x80010000 if DEBUG_ASM9260_UART
1607 	default 0x80070000 if DEBUG_IMX23_UART
1608 	default 0x80074000 if DEBUG_IMX28_UART
1609 	default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX
1610 	default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1611 	default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
1612 	default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1613 	default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1614 	default 0xd0000000 if DEBUG_SPEAR3XX
1615 	default 0xd0012000 if DEBUG_MVEBU_UART0
1616 	default 0xc81004c0 if DEBUG_MESON_UARTAO
1617 	default 0xd4017000 if DEBUG_MMP_UART2
1618 	default 0xd4018000 if DEBUG_MMP_UART3
1619 	default 0xe0000000 if DEBUG_SPEAR13XX
1620 	default 0xe0064200 if DEBUG_AT91_LAN966_FLEXCOM
1621 	default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3
1622 	default 0xe4007000 if DEBUG_HIP04_UART
1623 	default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
1624 	default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1
1625 	default 0xe6c60000 if DEBUG_RCAR_GEN2_SCIFA2
1626 	default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4
1627 	default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2
1628 	default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0
1629 	default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1
1630 	default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4
1631 	default 0xe8008000 if DEBUG_R7S72100_SCIF2 || DEBUG_R7S9210_SCIF2
1632 	default 0xe8009000 if DEBUG_R7S9210_SCIF4
1633 	default 0xf0000000 if DEBUG_DIGICOLOR_UA0
1634 	default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE
1635 	default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE
1636 	default 0xf7fc9000 if DEBUG_BERLIN_UART
1637 	default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1
1638 	default 0xf8b00000 if DEBUG_HIX5HD2_UART
1639 	default 0xf991e000 if DEBUG_QCOM_UARTDM
1640 	default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3
1641 	default 0xfcb00000 if DEBUG_HI3620_UART
1642 	default 0xfd883000 if DEBUG_ALPINE_UART0
1643 	default 0xfe531000 if DEBUG_STIH41X_SBC_ASC1
1644 	default 0xfed32000 if DEBUG_STIH41X_ASC2
1645 	default 0xff690000 if DEBUG_RK32_UART2
1646 	default 0xffc02000 if DEBUG_SOCFPGA_UART0
1647 	default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1
1648 	default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1
1649 	default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
1650 	default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
1651 	default 0xfff36000 if DEBUG_HIGHBANK_UART
1652 	default 0xfffb0000 if DEBUG_OMAP1UART1
1653 	default 0xfffb0800 if DEBUG_OMAP1UART2
1654 	default 0xfffb9800 if DEBUG_OMAP1UART3
1655 	default 0xfffe8600 if DEBUG_BCM63XX_UART
1656 	default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU
1657 	default 0xfffff200 if DEBUG_AT91_RM9200_DBGU
1658 	depends on ARCH_EP93XX || \
1678 	default 0xc881f000 if DEBUG_RV1108_UART2
1679 	default 0xc8821000 if DEBUG_RV1108_UART1
1680 	default 0xc8912000 if DEBUG_RV1108_UART0
1681 	default 0xe0010fe0 if ARCH_RPC
1682 	default 0xe0824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3
1683 	default 0xf0010000 if DEBUG_ASM9260_UART
1684 	default 0xf0100000 if DEBUG_DIGICOLOR_UA0
1685 	default 0xf01fb000 if DEBUG_NOMADIK_UART
1686 	default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836
1687 	default 0xf0221000 if DEBUG_MSTARV7_PMUART
1688 	default 0xf1000300 if DEBUG_BCM_5301X
1689 	default 0xf1000400 if DEBUG_BCM_HR2
1690 	default 0xf1002000 if DEBUG_MT8127_UART0
1691 	default 0xf1006000 if DEBUG_MT6589_UART0
1692 	default 0xf1009000 if DEBUG_MT8135_UART3
1693 	default 0xf1023000 if DEBUG_BCM_IPROC_UART3
1694 	default 0xf11f1000 if DEBUG_VERSATILE
1695 	default 0xf1600000 if DEBUG_INTEGRATOR
1696 	default 0xf1c28000 if DEBUG_SUNXI_UART0
1697 	default 0xf1c28400 if DEBUG_SUNXI_UART1
1698 	default 0xf1f02800 if DEBUG_SUNXI_R_UART
1699 	default 0xf31004c0 if DEBUG_MESON_UARTAO
1700 	default 0xf4090000 if DEBUG_LPC32XX
1701 	default 0xf4200000 if DEBUG_GEMINI
1702 	default 0xf6200000 if DEBUG_PXA_UART1
1703 	default 0xf7000000 if DEBUG_SUN9I_UART0
1704 	default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0
1705 	default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1
1706 	default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2
1707 	default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3
1708 	default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1
1709 	default 0xf7fc9000 if DEBUG_BERLIN_UART
1710 	default 0xf8007000 if DEBUG_HIP04_UART
1711 	default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
1712 	default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1713 	default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU
1714 	default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU
1715 	default 0xf9530000 if DEBUG_STIH418_SBC_ASC0
1716 	default 0xf9e09000 if DEBUG_AM33XXUART1
1717 	default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1
1718 	default 0xfa022000 if DEBUG_TI81XXUART2
1719 	default 0xfa024000 if DEBUG_TI81XXUART3
1720 	default 0xfa06a000 if DEBUG_OMAP2UART1
1721 	default 0xfa06c000 if DEBUG_OMAP2UART2
1722 	default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4
1723 	default 0xfa71e000 if DEBUG_QCOM_UARTDM
1724 	default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1725 	default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3
1726 	default 0xfb020000 if DEBUG_OMAP3UART3
1727 	default 0xfb042000 if DEBUG_OMAP3UART4
1728 	default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1729 	default 0xfcfe8600 if DEBUG_BCM63XX_UART
1730 	default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX
1731 	default 0xfd064200 if DEBUG_AT91_LAN966_FLEXCOM
1732 	default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1
1733 	default 0xfd883000 if DEBUG_ALPINE_UART0
1734 	default 0xfdd32000 if DEBUG_STIH41X_ASC2
1735 	default 0xfe010000 if STM32MP1_DEBUG_UART
1736 	default 0xfe017000 if DEBUG_MMP_UART2
1737 	default 0xfe018000 if DEBUG_MMP_UART3
1738 	default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
1739 	default 0xfe300000 if DEBUG_BCM_KONA_UART
1740 	default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART
1741 	default 0xfeb24000 if DEBUG_RK3X_UART0
1742 	default 0xfeb26000 if DEBUG_RK3X_UART1
1743 	default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
1744 	default 0xfeb31000 if DEBUG_KEYSTONE_UART1
1745 	default 0xfec02000 if DEBUG_SOCFPGA_UART0
1746 	default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1
1747 	default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1
1748 	default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE
1749 	default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
1750 	default 0xfec90000 if DEBUG_RK32_UART2
1751 	default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
1752 	default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_SD5203_UART
1753 	default 0xfed60000 if DEBUG_RK29_UART0
1754 	default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1755 	default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1756 	default 0xfedc0000 if DEBUG_EP93XX
1757 	default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1
1758 	default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1759 	default 0xfec00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1760 	default 0xfec00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1761 	default 0xfef36000 if DEBUG_HIGHBANK_UART
1762 	default 0xff0b0000 if DEBUG_OMAP1UART1
1763 	default 0xff0b0800 if DEBUG_OMAP1UART2
1764 	default 0xff0b9800 if DEBUG_OMAP1UART3
1765 	default 0xffd01000 if DEBUG_HIP01_UART
1766 	default DEBUG_UART_PHYS if !MMU
1767 	depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1779 	depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1780 	default 0 if DEBUG_FOOTBRIDGE_COM1 || DEBUG_BCM_5301X || \
1782 	default 3 if DEBUG_MSTARV7_PMUART
1783 	default 2
1786 	bool "Use 32-bit accesses for 8250 UART"
1787 	depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1788 	depends on DEBUG_UART_8250_SHIFT >= 2
1789 	default y if DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \
1797 	bool "8250 UART is Palmchip BK-310x"
1798 	depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1806 	depends on !ARCH_MULTIPLATFORM
1807 	depends on !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100)
1808 	depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
1817 	default "mach/uncompress.h" if ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100
1818 	default "debug/uncompress.h"
1822 	depends on DEBUG_LL
1825 	  kernel low-level debugging functions. Add earlyprintk to your
1830 	depends on KPROBES && MODULES
1836 	depends on CPU_COPY_V6