Lines Matching +full:output +full:- +full:low
1 # SPDX-License-Identifier: GPL-2.0
30 Look for a message in dmesg output like this:
44 once the kernel has booted up - it's a one time check.
98 1 - undefined instruction events
99 2 - system calls
100 4 - invalid data aborts
101 8 - SIGSEGV faults
102 16 - SIGBUS faults
106 bool "Kernel low-level debugging functions (read help!)"
119 prompt "Kernel low-level debugging port"
123 bool "Kernel low-level debugging messages via Alpine UART0"
127 Say Y here if you want kernel low-level debugging support
131 bool "Kernel low-level debugging via asm9260 UART"
135 their output to an UART or USART port on asm9260 based
152 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU"
156 Say Y here if you want kernel low-level debugging support
162 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
166 Say Y here if you want kernel low-level debugging support
172 bool "Kernel low-level debugging on SAMA5D2 UART1"
176 Say Y here if you want kernel low-level debugging support
180 bool "Kernel low-level debugging on SAMA5D4 USART3"
184 Say Y here if you want kernel low-level debugging support
188 bool "Kernel low-level debugging via SAMV7 USART1"
193 their output to the USART1 port on SAMV7 based
197 bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3"
201 Say Y here if you want kernel low-level debugging support
205 bool "Kernel low-level debugging on BCM2835 PL011 UART"
210 bool "Kernel low-level debugging on BCM2836 PL011 UART"
215 bool "Kernel low-level debugging on BCM5301X/NSP UART1"
220 bool "Kernel low-level debugging on Hurricane 2 UART2"
225 bool "Kernel low-level debugging on BCM IPROC UART3"
230 their output to the third serial port on these devices.
233 bool "Kernel low-level debugging messages via BCM KONA UART"
237 Say Y here if you want kernel low-level debugging support
239 This low level debug works for Broadcom
244 bool "Kernel low-level debugging on BCM63XX UART"
252 Say Y here if you want kernel low-level debugging support
256 bool "Use BRCMSTB UART for low-level debug"
260 their output to the first serial port on these devices. The
268 bool "Kernel low-level debugging messages via UART1"
272 their output to the first serial port on these devices.
275 bool "Kernel low-level debugging messages via UART2"
279 their output to the second serial port on these devices.
282 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
287 their output to the CNS3xxx UART0.
290 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
295 their output to UART1 serial port on DaVinci DA8XX devices.
298 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
303 their output to UART2 serial port on DaVinci DA8XX devices.
306 bool "Kernel low-level debugging on DaVinci DMx using UART0"
311 their output to UART0 serial port on DaVinci DMx devices.
314 bool "Kernel low-level debugging messages via footbridge serial port"
318 their output to the serial port in the DC21285 (Footbridge).
321 bool "Kernel low-level debugging messages via Digicolor UA0"
325 their output to the UA0 serial port in the CX92755.
328 bool "Kernel low-level debugging messages via ep93xx UART"
332 Say Y here if you want kernel low-level debugging support
336 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
341 their output to the 8250 at PCI COM1.
344 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
348 Say Y here if you want kernel low-level debugging support
356 Say Y here if you want kernel low-level debugging support
360 bool "Kernel low-level debugging messages via Highbank UART"
365 their output to the UART on Highbank based devices.
372 Say Y here if you want kernel low-level debugging support
380 Say Y here if you want kernel low-level debugging support
388 Say Y here if you want kernel low-level debugging support
395 Say Y here if you want kernel low-level debugging support
403 Say Y here if you want kernel low-level debugging support
410 Say Y here if you want kernel low-level debugging support
417 Say Y here if you want kernel low-level debugging support
425 Say Y here if you want kernel low-level debugging support
432 Say Y here if you want kernel low-level debugging support
439 Say Y here if you want kernel low-level debugging support
446 Say Y here if you want kernel low-level debugging support
453 Say Y here if you want kernel low-level debugging support
460 Say Y here if you want kernel low-level debugging support
467 Say Y here if you want kernel low-level debugging support
474 Say Y here if you want kernel low-level debugging support
481 Say Y here if you want kernel low-level debugging support
488 Say Y here if you want kernel low-level debugging support
495 Say Y here if you want kernel low-level debugging support
499 bool "Kernel low-level debugging messages via ARM Integrator UART"
503 Say Y here if you want kernel low-level debugging support
507 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
512 their output to UART0 serial port on KEYSTONE2 devices.
515 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
520 their output to UART1 serial port on KEYSTONE2 devices.
523 bool "Kernel low-level debugging via LPC18xx/43xx UART0"
527 Say Y here if you want kernel low-level debugging support
531 bool "Kernel low-level debugging messages via NXP LPC32xx UART"
535 Say Y here if you want kernel low-level debugging support
539 bool "Kernel low-level debugging via Meson6 UARTAO"
542 Say Y here if you want kernel low-lever debugging support
546 bool "Kernel low-level debugging message via MMP UART2"
550 Say Y here if you want kernel low-level debugging support
554 bool "Kernel low-level debugging message via MMP UART3"
558 Say Y here if you want kernel low-level debugging support
562 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
567 Say Y here if you want kernel low-level debugging support
582 when u-boot hands over to the kernel, the system
583 silently crashes, with no serial output at all.
586 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
590 Say Y here if you want kernel low-level debugging support
599 when u-boot hands over to the kernel, the system
600 silently crashes, with no serial output at all.
603 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
607 Say Y here if you want kernel low-level debugging support
617 when u-boot hands over to the kernel, the system
618 silently crashes, with no serial output at all.
621 bool "Kernel low-level debugging messages via MSTARV7 PM UART"
625 Say Y here if you want kernel low-level debugging support
626 for MSTAR ARMv7-based platforms on PM UART.
633 Say Y here if you want kernel low-level debugging support
641 Say Y here if you want kernel low-level debugging support
649 Say Y here if you want kernel low-level debugging support
653 bool "Kernel low-level debugging messages via NOMADIK UART"
657 Say Y here if you want kernel low-level debugging support
661 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
665 Say Y here if you want kernel low-level debugging support
666 on TI-NSPIRE classic models.
669 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
673 Say Y here if you want kernel low-level debugging support
674 on TI-NSPIRE CX models.
677 bool "Kernel low-level debugging via OMAP1 UART1"
681 Say Y here if you want kernel low-level debugging support
685 bool "Kernel low-level debugging via OMAP1 UART2"
689 Say Y here if you want kernel low-level debugging support
693 bool "Kernel low-level debugging via OMAP1 UART3"
697 Say Y here if you want kernel low-level debugging support
709 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
714 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
719 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
728 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
733 bool "Kernel low-level debugging messages via OMAP36XX UART4"
738 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
743 bool "Kernel low-level debugging via OMAP730 UART1"
747 Say Y here if you want kernel low-level debugging support
751 bool "Kernel low-level debugging via OMAP730 UART2"
755 Say Y here if you want kernel low-level debugging support
759 bool "Kernel low-level debugging via OMAP730 UART3"
763 Say Y here if you want kernel low-level debugging support
767 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
772 bool "Kernel low-level debugging messages via TI81XX UART2"
777 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
782 bool "Kernel low-level debugging messages via AM33XX UART1"
787 bool "Kernel low-level debugging messages via Zoom2/3 UART"
793 bool "Use PXA UART1 for low-level debug"
796 Say Y here if you want kernel low-level debugging support
800 bool "Kernel low-level debugging messages via QCOM UARTDM"
804 their output to the serial port on Qualcomm devices.
823 their output to the serial port on RealView EB, PB11MP, PBA8
832 their output to the standard serial port on the RealView
836 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
840 Say Y here if you want kernel low-level debugging support
844 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
848 Say Y here if you want kernel low-level debugging support
852 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
856 Say Y here if you want kernel low-level debugging support
860 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
864 Say Y here if you want kernel low-level debugging support
868 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
872 Say Y here if you want kernel low-level debugging support
876 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
880 Say Y here if you want kernel low-level debugging support
884 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
888 Say Y here if you want kernel low-level debugging support
892 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
896 Say Y here if you want kernel low-level debugging support
900 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
904 Say Y here if you want kernel low-level debugging support
908 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
912 Say Y here if you want kernel low-level debugging support
916 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
920 Say Y here if you want kernel low-level debugging support
924 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
927 Say Y here if you want kernel low-level debugging support
931 bool "Kernel low-level debugging messages via SCIF2 on R7S9210"
934 Say Y here if you want kernel low-level debugging support
938 bool "Kernel low-level debugging messages via SCIF4 on R7S9210"
941 Say Y here if you want kernel low-level debugging support
945 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
948 Say Y here if you want kernel low-level debugging support
949 via SCIF0 on Renesas R-Car M1A (R8A7778).
952 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
955 Say Y here if you want kernel low-level debugging support
956 via SCIF2 on Renesas R-Car H1 (R8A7779).
959 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
963 Say Y here if you want kernel low-level debugging support
965 R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or
966 M2-N (R8A7793).
969 bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
972 Say Y here if you want kernel low-level debugging support
976 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
979 Say Y here if you want kernel low-level debugging support
980 via SCIF2 on Renesas R-Car E2 (R8A7794).
983 bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
986 Say Y here if you want kernel low-level debugging support
990 bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
993 Say Y here if you want kernel low-level debugging support
997 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
1000 Say Y here if you want kernel low-level debugging support
1001 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
1004 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
1007 Say Y here if you want kernel low-level debugging support
1008 via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
1011 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
1014 Say Y here if you want kernel low-level debugging support
1015 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
1023 bool "Use Samsung S3C UART 0 for low-level debug"
1026 their output to UART 0. The port must have been initialised
1027 by the boot-loader before use.
1035 bool "Use Samsung S3C UART 1 for low-level debug"
1038 their output to UART 1. The port must have been initialised
1039 by the boot-loader before use.
1047 bool "Use Samsung S3C UART 2 for low-level debug"
1050 their output to UART 2. The port must have been initialised
1051 by the boot-loader before use.
1058 bool "Use Samsung S3C UART 3 for low-level debug"
1061 their output to UART 3. The port must have been initialised
1062 by the boot-loader before use.
1067 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
1070 their output to UART 0. The port must have been initialised
1071 by the boot-loader before use.
1076 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
1079 their output to UART 1. The port must have been initialised
1080 by the boot-loader before use.
1085 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
1088 their output to UART 2. The port must have been initialised
1089 by the boot-loader before use.
1093 bool "Use SA1100 UARTs for low-level debug"
1095 Say Y here if you want kernel low-level debugging support
1096 on SA-11x0 UART ports. The kernel will check for the first
1097 enabled UART in a sequence 3-1-2.
1104 Say Y here if you want kernel low-level debugging support
1109 bool "Use SOCFPGA UART0 for low-level debug"
1112 Say Y here if you want kernel low-level debugging support
1117 bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1120 Say Y here if you want kernel low-level debugging support
1125 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1128 Say Y here if you want kernel low-level debugging support
1132 bool "Kernel low-level debugging messages via sun9i UART0"
1136 Say Y here if you want kernel low-level debugging support
1140 bool "Kernel low-level debugging messages via sunXi UART0"
1144 Say Y here if you want kernel low-level debugging support
1148 bool "Kernel low-level debugging messages via sunXi UART1"
1152 Say Y here if you want kernel low-level debugging support
1156 bool "Kernel low-level debugging messages via sunXi R_UART"
1160 Say Y here if you want kernel low-level debugging support
1164 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1168 Say Y here if you want kernel low-level debugging support
1172 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1176 Say Y here if you want kernel low-level debugging support
1180 bool "Use StiH415/416 ASC2 UART for low-level debug"
1183 Say Y here if you want kernel low-level debugging support
1190 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1193 Say Y here if you want kernel low-level debugging support
1200 bool "Use StiH418 SBC ASC0 UART for low-level debug"
1203 Say Y here if you want kernel low-level debugging support
1210 bool "Use STM32F4 UART for low-level debug"
1214 Say Y here if you want kernel low-level debugging support
1222 bool "Use STM32F7 UART for low-level debug"
1226 Say Y here if you want kernel low-level debugging support
1234 bool "Use STM32H7 UART for low-level debug"
1238 Say Y here if you want kernel low-level debugging support
1246 bool "Use STM32MP1 UART for low-level debug"
1250 Say Y here if you want kernel low-level debugging support
1258 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1262 Automatically determines which UART to use for low-level
1270 bool "Kernel low-level debugging messages via Tegra UART A"
1274 Say Y here if you want kernel low-level debugging support
1278 bool "Kernel low-level debugging messages via Tegra UART B"
1282 Say Y here if you want kernel low-level debugging support
1286 bool "Kernel low-level debugging messages via Tegra UART C"
1290 Say Y here if you want kernel low-level debugging support
1294 bool "Kernel low-level debugging messages via Tegra UART D"
1298 Say Y here if you want kernel low-level debugging support
1302 bool "Kernel low-level debugging messages via Tegra UART E"
1306 Say Y here if you want kernel low-level debugging support
1311 bool "Use Ux500 UART for low-level debug"
1313 Say Y here if you want kernel low-level debugging support
1317 bool "Kernel low-level debugging messages via ARM Versatile UART"
1321 Say Y here if you want kernel low-level debugging support
1325 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1332 Note that this will only work with standard A-class core tiles,
1333 and may fail with non-standard SMM or custom software models.
1336 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1341 this applies only to the V2P-CA9 tile.
1349 of the tiles using the RS1 memory map, including all new A-class
1350 core tiles, FPGA-based SMMs and software models.
1353 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1358 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1364 Say Y here if you want kernel low-level debugging support
1371 This option selects UART0 on VIA/Wondermedia System-on-a-chip
1375 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1379 their output to UART0 on the Zynq platform.
1382 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1386 their output to UART1 on the Zynq platform.
1392 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1395 their output to the EmbeddedICE macrocell's DCC channel using
1396 co-processor 14. This is known to work on the ARM9 style ICE
1403 bool "Kernel low-level debug output via semihosting I/O"
1419 bool "Kernel low-level debugging via 8250 UART"
1422 their output to an 8250 UART. You can use this option
1432 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1435 their output to a PL01x Primecell UART. You can use
1497 Choose UART port on which kernel low-level debug messages
1498 should be output.
1506 Choose UART port on which kernel low-level debug messages
1507 should be output.
1556 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1557 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2
1558 default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4
1559 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1560 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1561 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1562 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1563 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1564 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1565 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
1566 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1567 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1568 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1584 default "mach/debug-macro.S"
1856 bool "Use 32-bit accesses for 8250 UART"
1867 bool "8250 UART is Palmchip BK-310x"
1875 bool "Enable decompressor debugging via DEBUG_LL output"
1881 This option influences the normal decompressor output for
1883 decompressor output because it is not possible to know where to
1884 send the decompressor output.
1886 When this option is set, the selected DEBUG_LL output method
1887 will be re-used for normal decompressor output on multiplatform
1902 kernel low-level debugging functions. Add earlyprintk to your