Lines Matching +full:output +full:- +full:low
1 # SPDX-License-Identifier: GPL-2.0
12 ---help---
24 ---help---
30 Look for a message in dmesg output like this:
44 once the kernel has booted up - it's a one time check.
89 1 - undefined instruction events
90 2 - system calls
91 4 - invalid data aborts
92 8 - SIGSEGV faults
93 16 - SIGBUS faults
97 bool "Kernel low-level debugging functions (read help!)"
110 prompt "Kernel low-level debugging port"
114 bool "Kernel low-level debugging messages via Alpine UART0"
118 Say Y here if you want kernel low-level debugging support
122 bool "Kernel low-level debugging via asm9260 UART"
126 their output to an UART or USART port on asm9260 based
143 bool "Kernel low-level debugging on AT91RM9200, AT91SAM9 DBGU"
147 Say Y here if you want kernel low-level debugging support
153 bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
157 Say Y here if you want kernel low-level debugging support
163 bool "Kernel low-level debugging on SAMA5D2 UART1"
167 Say Y here if you want kernel low-level debugging support
171 bool "Kernel low-level debugging on SAMA5D4 USART3"
175 Say Y here if you want kernel low-level debugging support
179 bool "Kernel low-level debugging via SAMV7 USART1"
184 their output to the USART1 port on SAMV7 based
188 bool "Kernel low-level debugging on BCM2835 PL011 UART"
193 bool "Kernel low-level debugging on BCM2836 PL011 UART"
198 bool "Kernel low-level debugging on BCM5301X/NSP UART1"
203 bool "Kernel low-level debugging on Hurricane 2 UART2"
208 bool "Kernel low-level debugging on BCM IPROC UART3"
213 their output to the third serial port on these devices.
216 bool "Kernel low-level debugging messages via BCM KONA UART"
220 Say Y here if you want kernel low-level debugging support
222 This low level debug works for Broadcom
227 bool "Kernel low-level debugging on BCM63XX UART"
235 Say Y here if you want kernel low-level debugging support
239 bool "Use BRCMSTB UART for low-level debug"
243 their output to the first serial port on these devices. The
251 bool "Kernel low-level debugging messages via UART1"
255 their output to the first serial port on these devices.
258 bool "Kernel low-level debugging messages via UART2"
262 their output to the second serial port on these devices.
265 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
270 their output to the CNS3xxx UART0.
273 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
278 their output to UART1 serial port on DaVinci DA8XX devices.
281 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
286 their output to UART2 serial port on DaVinci DA8XX devices.
289 bool "Kernel low-level debugging on DaVinci DMx using UART0"
294 their output to UART0 serial port on DaVinci DMx devices.
297 bool "Kernel low-level debugging messages via footbridge serial port"
301 their output to the serial port in the DC21285 (Footbridge).
304 bool "Kernel low-level debugging messages via Digicolor UA0"
308 their output to the UA0 serial port in the CX92755.
311 bool "Kernel low-level debugging messages via ep93xx UART"
315 Say Y here if you want kernel low-level debugging support
319 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
324 their output to the 8250 at PCI COM1.
327 bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
331 Say Y here if you want kernel low-level debugging support
339 Say Y here if you want kernel low-level debugging support
343 bool "Kernel low-level debugging messages via Highbank UART"
348 their output to the UART on Highbank based devices.
355 Say Y here if you want kernel low-level debugging support
363 Say Y here if you want kernel low-level debugging support
371 Say Y here if you want kernel low-level debugging support
378 Say Y here if you want kernel low-level debugging support
386 Say Y here if you want kernel low-level debugging support
393 Say Y here if you want kernel low-level debugging support
400 Say Y here if you want kernel low-level debugging support
408 Say Y here if you want kernel low-level debugging support
415 Say Y here if you want kernel low-level debugging support
422 Say Y here if you want kernel low-level debugging support
429 Say Y here if you want kernel low-level debugging support
436 Say Y here if you want kernel low-level debugging support
443 Say Y here if you want kernel low-level debugging support
450 Say Y here if you want kernel low-level debugging support
457 Say Y here if you want kernel low-level debugging support
464 Say Y here if you want kernel low-level debugging support
471 Say Y here if you want kernel low-level debugging support
478 Say Y here if you want kernel low-level debugging support
482 bool "Kernel low-level debugging messages via ARM Integrator UART"
486 Say Y here if you want kernel low-level debugging support
490 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
495 their output to UART0 serial port on KEYSTONE2 devices.
498 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
503 their output to UART1 serial port on KEYSTONE2 devices.
509 Say Y here if you want kernel low-level debugging support
513 bool "Kernel low-level debugging via LPC18xx/43xx UART0"
517 Say Y here if you want kernel low-level debugging support
521 bool "Kernel low-level debugging messages via NXP LPC32xx UART"
525 Say Y here if you want kernel low-level debugging support
529 bool "Kernel low-level debugging via Meson6 UARTAO"
532 Say Y here if you want kernel low-lever debugging support
536 bool "Kernel low-level debugging message via MMP UART2"
540 Say Y here if you want kernel low-level debugging support
544 bool "Kernel low-level debugging message via MMP UART3"
548 Say Y here if you want kernel low-level debugging support
552 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
557 Say Y here if you want kernel low-level debugging support
572 when u-boot hands over to the kernel, the system
573 silently crashes, with no serial output at all.
576 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
580 Say Y here if you want kernel low-level debugging support
589 when u-boot hands over to the kernel, the system
590 silently crashes, with no serial output at all.
593 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
597 Say Y here if you want kernel low-level debugging support
607 when u-boot hands over to the kernel, the system
608 silently crashes, with no serial output at all.
615 Say Y here if you want kernel low-level debugging support
623 Say Y here if you want kernel low-level debugging support
631 Say Y here if you want kernel low-level debugging support
635 bool "Kernel low-level debugging messages via NetX UART"
638 Say Y here if you want kernel low-level debugging support
642 bool "Kernel low-level debugging messages via NOMADIK UART"
646 Say Y here if you want kernel low-level debugging support
650 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
654 Say Y here if you want kernel low-level debugging support
655 on TI-NSPIRE classic models.
658 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
662 Say Y here if you want kernel low-level debugging support
663 on TI-NSPIRE CX models.
666 bool "Kernel low-level debugging via OMAP1 UART1"
670 Say Y here if you want kernel low-level debugging support
674 bool "Kernel low-level debugging via OMAP1 UART2"
678 Say Y here if you want kernel low-level debugging support
682 bool "Kernel low-level debugging via OMAP1 UART3"
686 Say Y here if you want kernel low-level debugging support
698 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
703 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
708 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
717 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
722 bool "Kernel low-level debugging messages via OMAP36XX UART4"
727 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
732 bool "Kernel low-level debugging via OMAP730 UART1"
736 Say Y here if you want kernel low-level debugging support
740 bool "Kernel low-level debugging via OMAP730 UART2"
744 Say Y here if you want kernel low-level debugging support
748 bool "Kernel low-level debugging via OMAP730 UART3"
752 Say Y here if you want kernel low-level debugging support
756 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
761 bool "Kernel low-level debugging messages via TI81XX UART2"
766 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
771 bool "Kernel low-level debugging messages via AM33XX UART1"
776 bool "Kernel low-level debugging messages via Zoom2/3 UART"
782 bool "Use PicoXcell UART for low-level debug"
785 Say Y here if you want kernel low-level debugging support
790 bool "Use PXA UART1 for low-level debug"
793 Say Y here if you want kernel low-level debugging support
797 bool "Kernel low-level debugging messages via QCOM UARTDM"
801 their output to the serial port on Qualcomm devices.
820 their output to the serial port on RealView EB, PB11MP, PBA8
829 their output to the standard serial port on the RealView
833 bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
837 Say Y here if you want kernel low-level debugging support
841 bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
845 Say Y here if you want kernel low-level debugging support
849 bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
853 Say Y here if you want kernel low-level debugging support
857 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
861 Say Y here if you want kernel low-level debugging support
865 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
869 Say Y here if you want kernel low-level debugging support
873 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
877 Say Y here if you want kernel low-level debugging support
881 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
885 Say Y here if you want kernel low-level debugging support
889 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
893 Say Y here if you want kernel low-level debugging support
897 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
901 Say Y here if you want kernel low-level debugging support
905 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
909 Say Y here if you want kernel low-level debugging support
913 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
917 Say Y here if you want kernel low-level debugging support
921 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
924 Say Y here if you want kernel low-level debugging support
928 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
931 Say Y here if you want kernel low-level debugging support
932 via SCIF0 on Renesas R-Car M1A (R8A7778).
935 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
938 Say Y here if you want kernel low-level debugging support
939 via SCIF2 on Renesas R-Car H1 (R8A7779).
942 bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
946 Say Y here if you want kernel low-level debugging support
947 via SCIF0 on Renesas RZ/G1M (R8A7743), R-Car H2 (R8A7790),
948 M2-W (R8A7791), V2H (R8A7792), or M2-N (R8A7793).
951 bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
954 Say Y here if you want kernel low-level debugging support
958 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
961 Say Y here if you want kernel low-level debugging support
962 via SCIF2 on Renesas R-Car E2 (R8A7794).
965 bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
968 Say Y here if you want kernel low-level debugging support
972 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
975 Say Y here if you want kernel low-level debugging support
976 via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
979 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
982 Say Y here if you want kernel low-level debugging support
983 via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
986 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
989 Say Y here if you want kernel low-level debugging support
990 via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
998 bool "Use Samsung S3C UART 0 for low-level debug"
1001 their output to UART 0. The port must have been initialised
1002 by the boot-loader before use.
1010 bool "Use Samsung S3C UART 1 for low-level debug"
1013 their output to UART 1. The port must have been initialised
1014 by the boot-loader before use.
1022 bool "Use Samsung S3C UART 2 for low-level debug"
1025 their output to UART 2. The port must have been initialised
1026 by the boot-loader before use.
1033 bool "Use Samsung S3C UART 3 for low-level debug"
1036 their output to UART 3. The port must have been initialised
1037 by the boot-loader before use.
1042 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
1045 their output to UART 0. The port must have been initialised
1046 by the boot-loader before use.
1051 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
1054 their output to UART 1. The port must have been initialised
1055 by the boot-loader before use.
1060 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
1063 their output to UART 2. The port must have been initialised
1064 by the boot-loader before use.
1068 bool "Use SA1100 UARTs for low-level debug"
1070 Say Y here if you want kernel low-level debugging support
1071 on SA-11x0 UART ports. The kernel will check for the first
1072 enabled UART in a sequence 3-1-2.
1076 bool "Use SOCFPGA UART0 for low-level debug"
1079 Say Y here if you want kernel low-level debugging support
1084 bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1087 Say Y here if you want kernel low-level debugging support
1092 bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1095 Say Y here if you want kernel low-level debugging support
1099 bool "Kernel low-level debugging messages via sun9i UART0"
1103 Say Y here if you want kernel low-level debugging support
1107 bool "Kernel low-level debugging messages via sunXi UART0"
1111 Say Y here if you want kernel low-level debugging support
1115 bool "Kernel low-level debugging messages via sunXi UART1"
1119 Say Y here if you want kernel low-level debugging support
1123 bool "Kernel low-level debugging messages via sunXi R_UART"
1127 Say Y here if you want kernel low-level debugging support
1131 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
1136 their output to the uart1 port on SiRFprimaII devices.
1139 bool "Kernel low-level debugging messages via SiRFatlas7 UART0"
1144 their output to the uart0 port on SiRFATLAS7 devices.The uart0
1149 bool "Kernel low-level debugging messages via SiRFatlas7 UART1"
1154 their output to the uart1 port on SiRFATLAS7 devices.
1157 bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1161 Say Y here if you want kernel low-level debugging support
1165 bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1169 Say Y here if you want kernel low-level debugging support
1173 bool "Use StiH415/416 ASC2 UART for low-level debug"
1177 Say Y here if you want kernel low-level debugging support
1184 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1188 Say Y here if you want kernel low-level debugging support
1195 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1199 Automatically determines which UART to use for low-level
1207 bool "Kernel low-level debugging messages via Tegra UART A"
1211 Say Y here if you want kernel low-level debugging support
1215 bool "Kernel low-level debugging messages via Tegra UART B"
1219 Say Y here if you want kernel low-level debugging support
1223 bool "Kernel low-level debugging messages via Tegra UART C"
1227 Say Y here if you want kernel low-level debugging support
1231 bool "Kernel low-level debugging messages via Tegra UART D"
1235 Say Y here if you want kernel low-level debugging support
1239 bool "Kernel low-level debugging messages via Tegra UART E"
1243 Say Y here if you want kernel low-level debugging support
1247 bool "Kernel low-level debugging messages via U300 UART0"
1252 their output to the uart port on U300 devices.
1256 bool "Use Ux500 UART for low-level debug"
1258 Say Y here if you want kernel low-level debugging support
1262 bool "Kernel low-level debugging messages via ARM Versatile UART"
1266 Say Y here if you want kernel low-level debugging support
1270 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1277 Note that this will only work with standard A-class core tiles,
1278 and may fail with non-standard SMM or custom software models.
1281 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1286 this applies only to the V2P-CA9 tile.
1294 of the tiles using the RS1 memory map, including all new A-class
1295 core tiles, FPGA-based SMMs and software models.
1298 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1303 Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1309 Say Y here if you want kernel low-level debugging support
1316 This option selects UART0 on VIA/Wondermedia System-on-a-chip
1332 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1336 their output to UART0 on the Zynq platform.
1339 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1343 their output to UART1 on the Zynq platform.
1349 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1352 their output to the EmbeddedICE macrocell's DCC channel using
1353 co-processor 14. This is known to work on the ARM9 style ICE
1360 bool "Kernel low-level debug output via semihosting I/O"
1376 bool "Kernel low-level debugging via 8250 UART"
1379 their output to an 8250 UART. You can use this option
1389 bool "Kernel low-level debugging via efm32 UART"
1393 their output to an UART or USART port on efm32 based
1403 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1406 their output to a PL01x Primecell UART. You can use
1458 Choose UART port on which kernel low-level debug messages
1459 should be output.
1467 Choose UART port on which kernel low-level debug messages
1468 should be output.
1513 default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1514 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1515 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1516 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1517 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1518 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1519 default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1520 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1521 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1522 default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1536 default "mach/debug-macro.S"
1811 bool "Use 32-bit accesses for 8250 UART"
1823 bool "8250 UART is Palmchip BK-310x"
1836 bool "Enable decompressor debugging via DEBUG_LL output"
1842 This option influences the normal decompressor output for
1844 decompressor output because it is not possible to know where to
1845 send the decompressor output.
1847 When this option is set, the selected DEBUG_LL output method
1848 will be re-used for normal decompressor output on multiplatform
1863 kernel low-level debugging functions. Add earlyprintk to your