3 # Watchdog device configuration
7 bool "Watchdog Timer Support"
9 If you say Y here (and to one of the following options) and create a
10 character special file /dev/watchdog with major number 10 and minor
11 number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
12 subsequently opening the file and then failing to write to it for
13 longer than 1 minute will result in rebooting the machine. This
14 could be useful for a networked machine that needs to come back
15 on-line as fast as possible after a lock-up. There's both a watchdog
16 implementation entirely in software (which can sometimes fail to
17 reboot the machine) and a driver for hardware watchdog boards, which
18 are more robust and can also keep track of the temperature inside
19 your computer. For details, read
20 <file:Documentation/watchdog/watchdog-api.txt> in the kernel source.
22 The watchdog is usually used together with the watchdog daemon
23 which is available from
24 <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
25 also monitor NFS connections and can reboot the machine when the process
33 bool "WatchDog Timer Driver Core"
35 Say Y here if you want to use the new watchdog timer driver core.
36 This driver provides a framework for all watchdog timer drivers
37 and gives them the /dev/watchdog interface (and later also the
40 config WATCHDOG_NOWAYOUT
41 bool "Disable watchdog shutdown on close"
43 The default watchdog behaviour (which you get if you say N here) is
44 to stop the timer if the process managing it closes the file
45 /dev/watchdog. It's always remotely possible that this process might
46 get killed. If you say Y here, the watchdog cannot be stopped once
49 config WATCHDOG_HANDLE_BOOT_ENABLED
50 bool "Update boot-enabled watchdog until userspace takes over"
53 The default watchdog behaviour (which you get if you say Y here) is
54 to ping watchdog devices that were enabled before the driver has
55 been loaded until control is taken over from userspace using the
56 /dev/watchdog file. If you say N here, the kernel will not update
57 the watchdog on its own. Thus if your userspace does not start fast
58 enough your device will reboot.
61 bool "Read different watchdog information through sysfs"
63 Say Y here if you want to enable watchdog device status read through
67 # General Watchdog drivers
70 comment "Watchdog Device Drivers"
72 # Architecture Independent
75 tristate "Software watchdog"
78 A software monitoring watchdog. This will fail to reboot your system
79 from some situations that the hardware watchdog will recover
80 from. Equally it's a lot cheaper to install.
82 To compile this driver as a module, choose M here: the
83 module will be called softdog.
85 config SOFT_WATCHDOG_PRETIMEOUT
86 bool "Software watchdog pretimeout governor support"
87 depends on SOFT_WATCHDOG && WATCHDOG_PRETIMEOUT_GOV
89 Enable this if you want to use pretimeout governors with the software
90 watchdog. Be aware that governors might affect the watchdog because it
91 is purely software, e.g. the panic governor will stall it!
93 config DA9052_WATCHDOG
94 tristate "Dialog DA9052 Watchdog"
95 depends on PMIC_DA9052 || COMPILE_TEST
98 Support for the watchdog in the DA9052 PMIC. Watchdog trigger
101 Say Y here to include support for the DA9052 watchdog.
102 Alternatively say M to compile the driver as a module,
103 which will be called da9052_wdt.
105 config DA9055_WATCHDOG
106 tristate "Dialog Semiconductor DA9055 Watchdog"
107 depends on MFD_DA9055 || COMPILE_TEST
110 If you say yes here you get support for watchdog on the Dialog
111 Semiconductor DA9055 PMIC.
113 This driver can also be built as a module. If so, the module
114 will be called da9055_wdt.
116 config DA9063_WATCHDOG
117 tristate "Dialog DA9063 Watchdog"
118 depends on MFD_DA9063 || COMPILE_TEST
121 Support for the watchdog in the DA9063 PMIC.
123 This driver can be built as a module. The module name is da9063_wdt.
125 config DA9062_WATCHDOG
126 tristate "Dialog DA9062/61 Watchdog"
127 depends on MFD_DA9062 || COMPILE_TEST
130 Support for the watchdog in the DA9062 and DA9061 PMICs.
132 This driver can be built as a module. The module name is da9062_wdt.
135 tristate "Watchdog device controlled through GPIO-line"
139 If you say yes here you get support for watchdog device
140 controlled through GPIO-line.
142 config GPIO_WATCHDOG_ARCH_INITCALL
143 bool "Register the watchdog as early as possible"
144 depends on GPIO_WATCHDOG=y
146 In some situations, the default initcall level (module_init)
147 in not early enough in the boot process to avoid the watchdog
149 If you say yes here, the initcall level would be raised to
153 config MENF21BMC_WATCHDOG
154 tristate "MEN 14F021P00 BMC Watchdog"
155 depends on MFD_MENF21BMC || COMPILE_TEST
159 Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
161 This driver can also be built as a module. If so the module
162 will be called menf21bmc_wdt.
164 config MENZ069_WATCHDOG
165 tristate "MEN 16Z069 Watchdog"
169 Say Y here to include support for the MEN 16Z069 Watchdog.
171 This driver can also be built as a module. If so the module
172 will be called menz069_wdt.
174 config TANGOX_WATCHDOG
175 tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
177 depends on ARCH_TANGO || COMPILE_TEST
180 Support for the watchdog in Sigma Designs SMP86xx (tango3)
181 and SMP87xx (tango4) family chips.
183 This driver can be built as a module. The module name is tangox_wdt.
186 tristate "ACPI Watchdog Action Table (WDAT)"
191 This driver adds support for systems with ACPI Watchdog Action
192 Table (WDAT) table. Servers typically have this but it can be
193 found on some desktop machines as well. This driver will take
194 over the native iTCO watchdog driver found on many Intel CPUs.
196 To compile this driver as module, choose M here: the module will
199 config WM831X_WATCHDOG
200 tristate "WM831x watchdog"
201 depends on MFD_WM831X
204 Support for the watchdog in the WM831x AudioPlus PMICs. When
205 the watchdog triggers the system will be reset.
207 config WM8350_WATCHDOG
208 tristate "WM8350 watchdog"
209 depends on MFD_WM8350
212 Support for the watchdog in the WM8350 AudioPlus PMIC. When
213 the watchdog triggers the system will be reset.
215 config XILINX_WATCHDOG
216 tristate "Xilinx Watchdog timer"
220 Watchdog driver for the xps_timebase_wdt ip core.
222 To compile this driver as a module, choose M here: the
223 module will be called of_xilinx_wdt.
225 config ZIIRAVE_WATCHDOG
226 tristate "Zodiac RAVE Watchdog Timer"
230 Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog
233 To compile this driver as a module, choose M here: the
234 module will be called ziirave_wdt.
236 config RAVE_SP_WATCHDOG
237 tristate "RAVE SP Watchdog timer"
238 depends on RAVE_SP_CORE
239 depends on NVMEM || !NVMEM
242 Support for the watchdog on RAVE SP device.
248 config ARM_SP805_WATCHDOG
249 tristate "ARM SP805 Watchdog"
250 depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA
253 ARM Primecell SP805 Watchdog timer. This will reboot your system when
254 the timeout is reached.
256 config ARM_SBSA_WATCHDOG
257 tristate "ARM SBSA Generic Watchdog"
259 depends on ARM_ARCH_TIMER
262 ARM SBSA Generic Watchdog has two stage timeouts:
263 the first signal (WS0) is for alerting the system by interrupt,
264 the second one (WS1) is a real hardware reset.
265 More details: ARM DEN0029B - Server Base System Architecture (SBSA)
267 This driver can operate ARM SBSA Generic Watchdog as a single stage
268 or a two stages watchdog, it depends on the module parameter "action".
270 Note: the maximum timeout in the two stages mode is half of that in
271 the single stage mode.
273 To compile this driver as module, choose M here: The module
274 will be called sbsa_gwdt.
276 config ASM9260_WATCHDOG
277 tristate "Alphascale ASM9260 watchdog"
278 depends on MACH_ASM9260 || COMPILE_TEST
281 select RESET_CONTROLLER
283 Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
284 system when the timeout is reached.
286 config AT91RM9200_WATCHDOG
287 tristate "AT91RM9200 watchdog"
288 depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST
290 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
291 system when the timeout is reached.
293 config AT91SAM9X_WATCHDOG
294 tristate "AT91SAM9X / AT91CAP9 watchdog"
295 depends on ARCH_AT91 || COMPILE_TEST
298 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
299 reboot your system when the timeout is reached.
301 config SAMA5D4_WATCHDOG
302 tristate "Atmel SAMA5D4 Watchdog Timer"
303 depends on ARCH_AT91 || COMPILE_TEST
306 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
307 Its Watchdog Timer Mode Register can be written more than once.
308 This will reboot your system when the timeout is reached.
310 config CADENCE_WATCHDOG
311 tristate "Cadence Watchdog Timer"
315 Say Y here if you want to include support for the watchdog
316 timer in the Xilinx Zynq.
318 config 21285_WATCHDOG
319 tristate "DC21285 watchdog"
320 depends on FOOTBRIDGE
322 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
323 here if you wish to use this. Alternatively say M to compile the
324 driver as a module, which will be called wdt285.
326 This driver does not work on all machines. In particular, early CATS
327 boards have hardware problems that will cause the machine to simply
328 lock up if the watchdog fires.
330 "If in doubt, leave it out" - say N.
333 tristate "NetWinder WB83C977 watchdog"
334 depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST)
336 Say Y here to include support for the WB977 watchdog included in
337 NetWinder machines. Alternatively say M to compile the driver as
338 a module, which will be called wdt977.
340 Not sure? It's safe to say N.
342 config FTWDT010_WATCHDOG
343 tristate "Faraday Technology FTWDT010 watchdog"
344 depends on ARM || COMPILE_TEST
348 Say Y here if to include support for the Faraday Technology
349 FTWDT010 watchdog timer embedded in the Cortina Systems Gemini
352 To compile this driver as a module, choose M here: the
353 module will be called ftwdt010_wdt.
355 config IXP4XX_WATCHDOG
356 tristate "IXP4xx Watchdog"
357 depends on ARCH_IXP4XX
359 Say Y here if to include support for the watchdog timer
360 in the Intel IXP4xx network processors. This driver can
361 be built as a module by choosing M. The module will
362 be called ixp4xx_wdt.
364 Note: The internal IXP4xx watchdog does a soft CPU reset
365 which doesn't reset any peripherals. There are circumstances
366 where the watchdog will fail to reset the board correctly
367 (e.g., if the boot ROM is in an unreadable state).
369 Say N if you are unsure.
371 config KS8695_WATCHDOG
372 tristate "KS8695 watchdog"
373 depends on ARCH_KS8695
375 Watchdog timer embedded into KS8695 processor. This will reboot your
376 system when the timeout is reached.
378 config HAVE_S3C2410_WATCHDOG
381 This will include watchdog timer support for Samsung SoCs. If
382 you want to include watchdog support for any machine, kindly
383 select this in the respective mach-XXXX/Kconfig file.
385 config S3C2410_WATCHDOG
386 tristate "S3C2410 Watchdog"
387 depends on HAVE_S3C2410_WATCHDOG || COMPILE_TEST
389 select MFD_SYSCON if ARCH_EXYNOS
391 Watchdog timer block in the Samsung SoCs. This will reboot
392 the system when the timer expires with the watchdog enabled.
394 The driver is limited by the speed of the system's PCLK
395 signal, so with reasonably fast systems (PCLK around 50-66MHz)
396 then watchdog intervals of over approximately 20seconds are
399 The driver can be built as a module by choosing M, and will
400 be called s3c2410_wdt
402 config SA1100_WATCHDOG
403 tristate "SA1100/PXA2xx watchdog"
404 depends on ARCH_SA1100 || ARCH_PXA
406 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
407 reboot your system when timeout is reached.
409 NOTE: once enabled, this timer cannot be disabled.
411 To compile this driver as a module, choose M here: the
412 module will be called sa1100_wdt.
415 tristate "Synopsys DesignWare watchdog"
419 Say Y here if to include support for the Synopsys DesignWare
420 watchdog timer found in many chips.
421 To compile this driver as a module, choose M here: the
422 module will be called dw_wdt.
424 config EP93XX_WATCHDOG
425 tristate "EP93xx Watchdog"
426 depends on ARCH_EP93XX || COMPILE_TEST
429 Say Y here if to include support for the watchdog timer
430 embedded in the Cirrus Logic EP93xx family of devices.
432 To compile this driver as a module, choose M here: the
433 module will be called ep93xx_wdt.
436 tristate "OMAP Watchdog"
437 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST
440 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
441 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
443 config PNX4008_WATCHDOG
444 tristate "LPC32XX Watchdog"
445 depends on ARCH_LPC32XX
448 Say Y here if to include support for the watchdog timer
449 in the LPC32XX processor.
450 This driver can be built as a module by choosing M. The module
451 will be called pnx4008_wdt.
453 Say N if you are unsure.
456 tristate "IOP Watchdog"
457 depends on ARCH_IOP13XX
458 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
460 Say Y here if to include support for the watchdog timer
461 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
462 be built as a module by choosing M. The module will
465 Note: The IOP13XX watchdog does an Internal Bus Reset which will
466 affect both cores and the peripherals of the IOP. The ATU-X
467 and/or ATUe configuration registers will remain intact, but if
468 operating as an Root Complex and/or Central Resource, the PCI-X
469 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
471 config DAVINCI_WATCHDOG
472 tristate "DaVinci watchdog"
473 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
476 Say Y here if to include support for the watchdog timer
477 in the DaVinci DM644x/DM646x or Keystone processors.
478 To compile this driver as a module, choose M here: the
479 module will be called davinci_wdt.
481 NOTE: once enabled, this timer cannot be disabled.
482 Say N if you are unsure.
484 config ORION_WATCHDOG
485 tristate "Orion watchdog"
486 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || (COMPILE_TEST && !ARCH_EBSA110)
490 Say Y here if to include support for the watchdog timer
491 in the Marvell Orion5x and Kirkwood ARM SoCs.
492 To compile this driver as a module, choose M here: the
493 module will be called orion_wdt.
495 config RN5T618_WATCHDOG
496 tristate "Ricoh RN5T618 watchdog"
497 depends on MFD_RN5T618 || COMPILE_TEST
500 If you say yes here you get support for watchdog on the Ricoh
503 This driver can also be built as a module. If so, the module
504 will be called rn5t618_wdt.
506 config SUNXI_WATCHDOG
507 tristate "Allwinner SoCs watchdog support"
508 depends on ARCH_SUNXI || COMPILE_TEST
511 Say Y here to include support for the watchdog timer
513 To compile this driver as a module, choose M here: the
514 module will be called sunxi_wdt.
516 config COH901327_WATCHDOG
517 bool "ST-Ericsson COH 901 327 watchdog"
518 depends on ARCH_U300 || (ARM && COMPILE_TEST)
519 default y if MACH_U300
522 Say Y here to include Watchdog timer support for the
523 watchdog embedded into the ST-Ericsson U300 series platforms.
524 This watchdog is used to reset the system and thus cannot be
525 compiled as a module.
527 config NPCM7XX_WATCHDOG
528 bool "Nuvoton NPCM750 watchdog"
529 depends on ARCH_NPCM || COMPILE_TEST
530 default y if ARCH_NPCM750
533 Say Y here to include Watchdog timer support for the
534 watchdog embedded into the NPCM7xx.
535 This watchdog is used to reset the system and thus cannot be
536 compiled as a module.
538 config TWL4030_WATCHDOG
539 tristate "TWL4030 Watchdog"
540 depends on TWL4030_CORE
543 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
544 watchdog timer support for TWL4030 chips.
546 config STMP3XXX_RTC_WATCHDOG
547 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
548 depends on RTC_DRV_STMP || COMPILE_TEST
551 Say Y here to include support for the watchdog timer inside
552 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
553 To compile this driver as a module, choose M here: the
554 module will be called stmp3xxx_rtc_wdt.
556 config NUC900_WATCHDOG
557 tristate "Nuvoton NUC900 watchdog"
558 depends on ARCH_W90X900 || COMPILE_TEST
560 Say Y here if to include support for the watchdog timer
561 for the Nuvoton NUC900 series SoCs.
562 To compile this driver as a module, choose M here: the
563 module will be called nuc900_wdt.
565 config TS4800_WATCHDOG
566 tristate "TS-4800 Watchdog"
567 depends on HAS_IOMEM && OF
568 depends on SOC_IMX51 || COMPILE_TEST
572 Technologic Systems TS-4800 has watchdog timer implemented in
573 an external FPGA. Say Y here if you want to support for the
574 watchdog timer on TS-4800 board.
576 config TS72XX_WATCHDOG
577 tristate "TS-72XX SBC Watchdog"
578 depends on MACH_TS72XX || COMPILE_TEST
580 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
581 watchdog timer implemented in a external CPLD chip. Say Y here
582 if you want to support for the watchdog timer on TS-72XX boards.
584 To compile this driver as a module, choose M here: the
585 module will be called ts72xx_wdt.
587 config MAX63XX_WATCHDOG
588 tristate "Max63xx watchdog"
592 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
594 config MAX77620_WATCHDOG
595 tristate "Maxim Max77620 Watchdog Timer"
596 depends on MFD_MAX77620 || COMPILE_TEST
599 This is the driver for the Max77620 watchdog timer.
600 Say 'Y' here to enable the watchdog timer support for
601 MAX77620 chips. To compile this driver as a module,
602 choose M here: the module will be called max77620_wdt.
605 tristate "IMX2+ Watchdog"
606 depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
610 This is the driver for the hardware watchdog
611 on the Freescale IMX2 and later processors.
612 If you have one of these processors and wish to have
613 watchdog support enabled, say Y, otherwise say N.
615 To compile this driver as a module, choose M here: the
616 module will be called imx2_wdt.
618 config UX500_WATCHDOG
619 tristate "ST-Ericsson Ux500 watchdog"
620 depends on MFD_DB8500_PRCMU
624 Say Y here to include Watchdog timer support for the watchdog
625 existing in the prcmu of ST-Ericsson Ux500 series platforms.
627 To compile this driver as a module, choose M here: the
628 module will be called ux500_wdt.
631 tristate "Retu watchdog"
635 Retu watchdog driver for Nokia Internet Tablets (770, N800,
636 N810). At least on N800 the watchdog cannot be disabled, so
637 this driver is essential and you should enable it.
639 To compile this driver as a module, choose M here: the
640 module will be called retu_wdt.
643 tristate "MOXART watchdog"
644 depends on ARCH_MOXART || COMPILE_TEST
646 Say Y here to include Watchdog timer support for the watchdog
647 existing on the MOXA ART SoC series platforms.
649 To compile this driver as a module, choose M here: the
650 module will be called moxart_wdt.
652 config SIRFSOC_WATCHDOG
653 tristate "SiRFSOC watchdog"
654 depends on ARCH_SIRF || COMPILE_TEST
658 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
659 the watchdog triggers the system will be reset.
661 config ST_LPC_WATCHDOG
662 tristate "STMicroelectronics LPC Watchdog"
663 depends on ARCH_STI || COMPILE_TEST
667 Say Y here to include STMicroelectronics Low Power Controller
668 (LPC) based Watchdog timer support.
670 To compile this driver as a module, choose M here: the
671 module will be called st_lpc_wdt.
673 config TEGRA_WATCHDOG
674 tristate "Tegra watchdog"
675 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
678 Say Y here to include support for the watchdog timer
679 embedded in NVIDIA Tegra SoCs.
681 To compile this driver as a module, choose M here: the
682 module will be called tegra_wdt.
685 tristate "QCOM watchdog"
687 depends on ARCH_QCOM || COMPILE_TEST
690 Say Y here to include Watchdog timer support for the watchdog found
691 on QCOM chipsets. Currently supported targets are the MSM8960,
692 APQ8064, and IPQ8064.
694 To compile this driver as a module, choose M here: the
695 module will be called qcom_wdt.
697 config MESON_GXBB_WATCHDOG
698 tristate "Amlogic Meson GXBB SoCs watchdog support"
699 depends on ARCH_MESON || COMPILE_TEST
702 Say Y here to include support for the watchdog timer
703 in Amlogic Meson GXBB SoCs.
704 To compile this driver as a module, choose M here: the
705 module will be called meson_gxbb_wdt.
707 config MESON_WATCHDOG
708 tristate "Amlogic Meson SoCs watchdog support"
709 depends on ARCH_MESON || COMPILE_TEST
712 Say Y here to include support for the watchdog timer
713 in Amlogic Meson SoCs.
714 To compile this driver as a module, choose M here: the
715 module will be called meson_wdt.
717 config MEDIATEK_WATCHDOG
718 tristate "Mediatek SoCs watchdog support"
719 depends on ARCH_MEDIATEK || COMPILE_TEST
722 Say Y here to include support for the watchdog timer
724 To compile this driver as a module, choose M here: the
725 module will be called mtk_wdt.
727 config DIGICOLOR_WATCHDOG
728 tristate "Conexant Digicolor SoCs watchdog support"
729 depends on ARCH_DIGICOLOR || COMPILE_TEST
732 Say Y here to include support for the watchdog timer
733 in Conexant Digicolor SoCs.
734 To compile this driver as a module, choose M here: the
735 module will be called digicolor_wdt.
737 config LPC18XX_WATCHDOG
738 tristate "LPC18xx/43xx Watchdog"
739 depends on ARCH_LPC18XX || COMPILE_TEST
743 Say Y here if to include support for the watchdog timer
744 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
746 To compile this driver as a module, choose M here: the
747 module will be called lpc18xx_wdt.
749 config ATLAS7_WATCHDOG
750 tristate "CSRatlas7 watchdog"
751 depends on ARCH_ATLAS7 || COMPILE_TEST
753 Say Y here to include Watchdog timer support for the watchdog
754 existing on the CSRatlas7 series platforms.
756 To compile this driver as a module, choose M here: the
757 module will be called atlas7_wdt.
760 tristate "Renesas WDT Watchdog"
761 depends on ARCH_RENESAS || COMPILE_TEST
764 This driver adds watchdog support for the integrated watchdogs in the
765 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
767 config RENESAS_RZAWDT
768 tristate "Renesas RZ/A WDT Watchdog"
769 depends on ARCH_RENESAS || COMPILE_TEST
772 This driver adds watchdog support for the integrated watchdogs in the
773 Renesas RZ/A SoCs. These watchdogs can be used to reset a system.
775 config ASPEED_WATCHDOG
776 tristate "Aspeed BMC watchdog support"
777 depends on ARCH_ASPEED || COMPILE_TEST
780 Say Y here to include support for the watchdog timer
783 This driver is required to reboot the SoC.
785 To compile this driver as a module, choose M here: the
786 module will be called aspeed_wdt.
788 config ZX2967_WATCHDOG
789 tristate "ZTE zx2967 SoCs watchdog support"
793 Say Y here to include support for the watchdog timer
795 To compile this driver as a module, choose M here: the
796 module will be called zx2967_wdt.
798 config STM32_WATCHDOG
799 tristate "STM32 Independent WatchDoG (IWDG) support"
800 depends on ARCH_STM32
804 Say Y here to include support for the watchdog timer
807 To compile this driver as a module, choose M here: the
808 module will be called stm32_iwdg.
810 config UNIPHIER_WATCHDOG
811 tristate "UniPhier watchdog support"
812 depends on ARCH_UNIPHIER || COMPILE_TEST
813 depends on OF && MFD_SYSCON
816 Say Y here to include support watchdog timer embedded
817 into the UniPhier system.
819 To compile this driver as a module, choose M here: the
820 module will be called uniphier_wdt.
822 config RTD119X_WATCHDOG
823 bool "Realtek RTD119x/RTD129x watchdog support"
824 depends on ARCH_REALTEK || COMPILE_TEST
829 Say Y here to include support for the watchdog timer in
830 Realtek RTD1295 SoCs.
833 tristate "Spreadtrum watchdog support"
834 depends on ARCH_SPRD || COMPILE_TEST
837 Say Y here to include watchdog timer supported
838 by Spreadtrum system.
840 # X86 (i386 + ia64 + x86_64) Architecture
843 tristate "Acquire SBC Watchdog Timer"
846 This is the driver for the hardware watchdog on Single Board
847 Computers produced by Acquire Inc (and others). This watchdog
848 simply watches your kernel to make sure it doesn't freeze, and if
849 it does, it reboots your computer after a certain amount of time.
851 To compile this driver as a module, choose M here: the
852 module will be called acquirewdt.
854 Most people will say N.
857 tristate "Advantech SBC Watchdog Timer"
860 If you are configuring a Linux kernel for the Advantech single-board
861 computer, say `Y' here to support its built-in watchdog timer
862 feature. More information can be found at
863 <http://www.advantech.com.tw/products/>
866 tristate "ALi M1535 PMU Watchdog Timer"
867 depends on X86 && PCI
869 This is the driver for the hardware watchdog on the ALi M1535 PMU.
871 To compile this driver as a module, choose M here: the
872 module will be called alim1535_wdt.
874 Most people will say N.
877 tristate "ALi M7101 PMU Computer Watchdog"
880 This is the driver for the hardware watchdog on the ALi M7101 PMU
881 as used in the x86 Cobalt servers and also found in some
882 SPARC Netra servers too.
884 To compile this driver as a module, choose M here: the
885 module will be called alim7101_wdt.
887 Most people will say N.
890 tristate "WinSystems EBC-C384 Watchdog Timer"
895 Enables watchdog timer support for the watchdog timer on the
896 WinSystems EBC-C384 motherboard. The timeout may be configured via
897 the timeout module parameter.
900 tristate "Fintek F718xx, F818xx Super I/O Watchdog"
903 This is the driver for the hardware watchdog on the Fintek F71808E,
904 F71862FG, F71868, F71869, F71882FG, F71889FG, F81865 and F81866
905 Super I/O controllers.
907 You can compile this driver directly into the kernel, or use
908 it as a module. The module will be called f71808e_wdt.
911 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
912 depends on X86 && PCI
915 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
916 (Total Cost of Ownership) timer is a watchdog timer that will reboot
917 the machine after its expiration. The expiration time can be
918 configured with the "heartbeat" parameter.
920 To compile this driver as a module, choose M here: the
921 module will be called sp5100_tco.
924 tristate "AMD Geode CS5535/CS5536 Watchdog"
925 depends on CS5535_MFGPT
927 This driver enables a watchdog capability built into the
928 CS5535/CS5536 companion chips for the AMD Geode GX and LX
929 processors. This watchdog watches your kernel to make sure
930 it doesn't freeze, and if it does, it reboots your computer after
931 a certain amount of time.
933 You can compile this driver directly into the kernel, or use
934 it as a module. The module will be called geodewdt.
937 tristate "AMD Elan SC520 processor Watchdog"
938 depends on MELAN || COMPILE_TEST
940 This is the driver for the hardware watchdog built in to the
941 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
942 This watchdog simply watches your kernel to make sure it doesn't
943 freeze, and if it does, it reboots your computer after a certain
946 You can compile this driver directly into the kernel, or use
947 it as a module. The module will be called sc520_wdt.
949 config SBC_FITPC2_WATCHDOG
950 tristate "Compulab SBC-FITPC2 watchdog"
953 This is the driver for the built-in watchdog timer on the fit-PC2,
954 fit-PC2i, CM-iAM single-board computers made by Compulab.
956 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
957 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
959 Entering BIOS setup temporary disables watchdog operation regardless to current state,
960 so system will not be restarted while user in BIOS setup.
962 Once watchdog was enabled the system will be restarted every
963 "Watchdog Timer Value" period, so to prevent it user can restart or
964 disable the watchdog.
966 To compile this driver as a module, choose M here: the
967 module will be called sbc_fitpc2_wdt.
969 Most people will say N.
972 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
975 Enable support for the watchdog timer on the Eurotech CPU-1220 and
976 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
977 information are at <http://www.eurotech.it/>.
980 tristate "IB700 SBC Watchdog Timer"
983 This is the driver for the hardware watchdog on the IB700 Single
984 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
985 simply watches your kernel to make sure it doesn't freeze, and if
986 it does, it reboots your computer after a certain amount of time.
988 This driver is like the WDT501 driver but for slightly different hardware.
990 To compile this driver as a module, choose M here: the
991 module will be called ib700wdt.
993 Most people will say N.
996 tristate "IBM Automatic Server Restart"
999 This is the driver for the IBM Automatic Server Restart watchdog
1000 timer built-in into some eServer xSeries machines.
1002 To compile this driver as a module, choose M here: the
1003 module will be called ibmasr.
1006 tristate "ICP Single Board Computer Watchdog Timer"
1009 This is a driver for the hardware watchdog on the ICP Single
1010 Board Computer. This driver is working on (at least) the following
1011 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
1013 To compile this driver as a module, choose M here: the
1014 module will be called wafer5823wdt.
1017 tristate "Intel 6300ESB Timer/Watchdog"
1019 select WATCHDOG_CORE
1021 Hardware driver for the watchdog timer built into the Intel
1022 6300ESB controller hub.
1024 To compile this driver as a module, choose M here: the
1025 module will be called i6300esb.
1028 tristate "Intel Atom E6xx Watchdog"
1029 depends on X86 && PCI
1030 select WATCHDOG_CORE
1034 Hardware driver for the watchdog timer built into the Intel
1035 Atom E6XX (TunnelCreek) processor.
1037 To compile this driver as a module, choose M here: the
1038 module will be called ie6xx_wdt.
1040 config INTEL_SCU_WATCHDOG
1041 bool "Intel SCU Watchdog for Mobile Platforms"
1042 depends on X86_INTEL_MID
1044 Hardware driver for the watchdog time built into the Intel SCU
1045 for Intel Mobile Platforms.
1047 To compile this driver as a module, choose M here.
1049 config INTEL_MID_WATCHDOG
1050 tristate "Intel MID Watchdog Timer"
1051 depends on X86_INTEL_MID
1052 select WATCHDOG_CORE
1054 Watchdog timer driver built into the Intel SCU for Intel MID
1057 This driver currently supports only the watchdog evolution
1058 implementation in SCU, available for Merrifield generation.
1060 To compile this driver as a module, choose M here.
1063 tristate "Intel TCO Timer/Watchdog"
1064 depends on (X86 || IA64) && PCI
1065 select WATCHDOG_CORE
1066 depends on I2C || I2C=n
1067 select LPC_ICH if !EXPERT
1068 select I2C_I801 if !EXPERT && I2C
1070 Hardware driver for the intel TCO timer based watchdog devices.
1071 These drivers are included in the Intel 82801 I/O Controller
1072 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
1075 The TCO (Total Cost of Ownership) timer is a watchdog timer
1076 that will reboot the machine after its second expiration. The
1077 expiration time can be configured with the "heartbeat" parameter.
1079 On some motherboards the driver may fail to reset the chipset's
1080 NO_REBOOT flag which prevents the watchdog from rebooting the
1081 machine. If this is the case you will get a kernel message like
1082 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1084 To compile this driver as a module, choose M here: the
1085 module will be called iTCO_wdt.
1087 config ITCO_VENDOR_SUPPORT
1088 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
1091 Add vendor specific support to the intel TCO timer based watchdog
1092 devices. At this moment we only have additional support for some
1093 SuperMicro Inc. motherboards.
1096 tristate "IT8712F (Smart Guardian) Watchdog Timer"
1099 This is the driver for the built-in watchdog timer on the IT8712F
1100 Super I/0 chipset used on many motherboards.
1102 If the driver does not work, then make sure that the game port in
1103 the BIOS is enabled.
1105 To compile this driver as a module, choose M here: the
1106 module will be called it8712f_wdt.
1109 tristate "IT87 Watchdog Timer"
1111 select WATCHDOG_CORE
1113 This is the driver for the hardware watchdog on the ITE IT8607,
1114 IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702,
1115 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and
1116 IT8783 Super I/O chips.
1118 This watchdog simply watches your kernel to make sure it doesn't
1119 freeze, and if it does, it reboots your computer after a certain
1122 To compile this driver as a module, choose M here: the module will
1126 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
1127 select WATCHDOG_CORE
1128 depends on X86 && PCI
1130 A software monitoring watchdog and NMI sourcing driver. This driver
1131 will detect lockups and provide a stack trace. This is a driver that
1132 will only load on an HP ProLiant system with a minimum of iLO2 support.
1133 To compile this driver as a module, choose M here: the module will be
1137 tristate "Kontron COM Watchdog Timer"
1138 depends on MFD_KEMPLD
1139 select WATCHDOG_CORE
1141 Support for the PLD watchdog on some Kontron ETX and COMexpress
1142 (ETXexpress) modules
1144 This driver can also be built as a module. If so, the module will be
1147 config HPWDT_NMI_DECODING
1148 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
1149 depends on HP_WATCHDOG
1152 When an NMI occurs this feature will make the necessary BIOS calls to
1153 log the cause of the NMI.
1156 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1159 This is a driver for National Semiconductor PC87307/PC97307 hardware
1160 watchdog cards as found on the SC1200. This watchdog is mainly used
1161 for power management purposes and can be used to power down the device
1162 during inactivity periods (includes interrupt activity monitoring).
1164 To compile this driver as a module, choose M here: the
1165 module will be called sc1200wdt.
1167 Most people will say N.
1170 tristate "National Semiconductor SCx200 Watchdog"
1171 depends on SCx200 && PCI
1173 Enable the built-in watchdog timer support on the National
1174 Semiconductor SCx200 processors.
1176 If compiled as a module, it will be called scx200_wdt.
1179 tristate "NS PC87413 watchdog"
1182 This is the driver for the hardware watchdog on the PC87413 chipset
1183 This watchdog simply watches your kernel to make sure it doesn't
1184 freeze, and if it does, it reboots your computer after a certain
1187 To compile this driver as a module, choose M here: the
1188 module will be called pc87413_wdt.
1190 Most people will say N.
1193 tristate "nVidia TCO Timer/Watchdog"
1194 depends on X86 && PCI
1196 Hardware driver for the TCO timer built into the nVidia Hub family
1197 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
1198 watchdog timer that will reboot the machine after its second
1199 expiration. The expiration time can be configured with the
1200 "heartbeat" parameter.
1202 On some motherboards the driver may fail to reset the chipset's
1203 NO_REBOOT flag which prevents the watchdog from rebooting the
1204 machine. If this is the case you will get a kernel message like
1205 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1207 To compile this driver as a module, choose M here: the
1208 module will be called nv_tco.
1211 tristate "RDC R-321x SoC watchdog"
1212 depends on X86_RDC321X || COMPILE_TEST
1215 This is the driver for the built in hardware watchdog
1216 in the RDC R-321x SoC.
1218 To compile this driver as a module, choose M here: the
1219 module will be called rdc321x_wdt.
1222 tristate "SBC-60XX Watchdog Timer"
1225 This driver can be used with the watchdog timer found on some
1226 single board computers, namely the 6010 PII based computer.
1227 It may well work with other cards. It reads port 0x443 to enable
1228 and re-set the watchdog timer, and reads port 0x45 to disable
1229 the watchdog. If you have a card that behave in similar ways,
1230 you can probably make this driver work with your card as well.
1232 You can compile this driver directly into the kernel, or use
1233 it as a module. The module will be called sbc60xxwdt.
1236 tristate "SBC8360 Watchdog Timer"
1240 This is the driver for the hardware watchdog on the SBC8360 Single
1241 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1243 To compile this driver as a module, choose M here: the
1244 module will be called sbc8360.
1246 Most people will say N.
1249 tristate "SBC Nano 7240 Watchdog Timer"
1250 depends on X86_32 && !UML
1252 This is the driver for the hardware watchdog found on the IEI
1253 single board computers EPIC Nano 7240 (and likely others). This
1254 watchdog simply watches your kernel to make sure it doesn't freeze,
1255 and if it does, it reboots your computer after a certain amount of
1258 To compile this driver as a module, choose M here: the
1259 module will be called sbc7240_wdt.
1262 tristate "SMA CPU5 Watchdog"
1266 To compile this driver as a module, choose M here: the
1267 module will be called cpu5wdt.
1269 config SMSC_SCH311X_WDT
1270 tristate "SMSC SCH311X Watchdog Timer"
1273 This is the driver for the hardware watchdog timer on the
1274 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1275 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1278 To compile this driver as a module, choose M here: the
1279 module will be called sch311x_wdt.
1281 config SMSC37B787_WDT
1282 tristate "Winbond SMsC37B787 Watchdog Timer"
1285 This is the driver for the hardware watchdog component on the
1286 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1287 from Vision Systems and maybe others.
1289 This watchdog simply watches your kernel to make sure it doesn't
1290 freeze, and if it does, it reboots your computer after a certain
1293 Usually a userspace daemon will notify the kernel WDT driver that
1294 userspace is still alive, at regular intervals.
1296 To compile this driver as a module, choose M here: the
1297 module will be called smsc37b787_wdt.
1299 Most people will say N.
1302 tristate "VIA Watchdog Timer"
1303 depends on X86 && PCI
1304 select WATCHDOG_CORE
1306 This is the driver for the hardware watchdog timer on VIA
1307 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1309 To compile this driver as a module, choose M here; the module
1310 will be called via_wdt.
1312 Most people will say N.
1315 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1317 select WATCHDOG_CORE
1319 This is the driver for the hardware watchdog on the following
1321 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1334 This watchdog simply watches your kernel to make sure it doesn't
1335 freeze, and if it does, it reboots your computer after a certain
1338 To compile this driver as a module, choose M here: the
1339 module will be called w83627hf_wdt.
1341 Most people will say N.
1344 tristate "W83877F (EMACS) Watchdog Timer"
1347 This is the driver for the hardware watchdog on the W83877F chipset
1348 as used in EMACS PC-104 motherboards (and likely others). This
1349 watchdog simply watches your kernel to make sure it doesn't freeze,
1350 and if it does, it reboots your computer after a certain amount of
1353 To compile this driver as a module, choose M here: the
1354 module will be called w83877f_wdt.
1356 Most people will say N.
1359 tristate "W83977F (PCM-5335) Watchdog Timer"
1362 This is the driver for the hardware watchdog on the W83977F I/O chip
1363 as used in AAEON's PCM-5335 SBC (and likely others). This
1364 watchdog simply watches your kernel to make sure it doesn't freeze,
1365 and if it does, it reboots your computer after a certain amount of
1368 To compile this driver as a module, choose M here: the
1369 module will be called w83977f_wdt.
1372 tristate "ZF MachZ Watchdog"
1375 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1376 N. This is the driver for the watchdog timer built-in on that
1377 processor using ZF-Logic interface. This watchdog simply watches
1378 your kernel to make sure it doesn't freeze, and if it does, it
1379 reboots your computer after a certain amount of time.
1381 To compile this driver as a module, choose M here: the
1382 module will be called machzwd.
1384 config SBC_EPX_C3_WATCHDOG
1385 tristate "Winsystems SBC EPX-C3 watchdog"
1388 This is the driver for the built-in watchdog timer on the EPX-C3
1389 Single-board computer made by Winsystems, Inc.
1391 *Note*: This hardware watchdog is not probeable and thus there
1392 is no way to know if writing to its IO address will corrupt
1393 your system or have any real effect. The only way to be sure
1394 that this driver does what you want is to make sure you
1395 are running it on an EPX-C3 from Winsystems with the watchdog
1396 timer at IO address 0x1ee and 0x1ef. It will write to both those
1397 IO ports. Basically, the assumption is made that if you compile
1398 this driver into your kernel and/or load it as a module, that you
1399 know what you are doing and that you are in fact running on an
1402 To compile this driver as a module, choose M here: the
1403 module will be called sbc_epx_c3.
1405 config INTEL_MEI_WDT
1406 tristate "Intel MEI iAMT Watchdog"
1407 depends on INTEL_MEI && X86
1408 select WATCHDOG_CORE
1410 A device driver for the Intel MEI iAMT watchdog.
1412 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1413 Whenever the OS hangs or crashes, iAMT will send an event
1414 to any subscriber to this event. The watchdog doesn't reset the
1417 To compile this driver as a module, choose M here:
1418 the module will be called mei_wdt.
1421 tristate "NI 903x/913x Watchdog"
1422 depends on X86 && ACPI
1423 select WATCHDOG_CORE
1425 This is the driver for the watchdog timer on the National Instruments
1426 903x/913x real-time controllers.
1428 To compile this driver as a module, choose M here: the module will be
1432 tristate "NIC7018 Watchdog"
1433 depends on X86 && ACPI
1434 select WATCHDOG_CORE
1436 Support for National Instruments NIC7018 Watchdog.
1438 To compile this driver as a module, choose M here: the module will be
1443 config M54xx_WATCHDOG
1444 tristate "MCF54xx watchdog support"
1447 To compile this driver as a module, choose M here: the
1448 module will be called m54xx_wdt.
1450 # MicroBlaze Architecture
1455 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1456 depends on ATH79 || (ARM && COMPILE_TEST)
1458 Hardware driver for the built-in watchdog timer on the Atheros
1459 AR71XX/AR724X/AR913X SoCs.
1462 tristate "Broadcom BCM47xx Watchdog Timer"
1463 depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
1464 select WATCHDOG_CORE
1466 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1469 tristate "IDT RC32434 SoC Watchdog Timer"
1470 depends on MIKROTIK_RB532
1472 Hardware driver for the IDT RC32434 SoC built-in
1475 To compile this driver as a module, choose M here: the
1476 module will be called rc32434_wdt.
1479 tristate "Indy/I2 Hardware Watchdog"
1480 depends on SGI_HAS_INDYDOG
1482 Hardware driver for the Indy's/I2's watchdog. This is a
1483 watchdog timer that will reboot the machine after a 60 second
1484 timer expired and no process has written to /dev/watchdog during
1488 tristate "Ingenic jz4740 SoC hardware watchdog"
1489 depends on MACH_JZ4740 || MACH_JZ4780
1490 select WATCHDOG_CORE
1492 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1495 tristate "MTX-1 Hardware Watchdog"
1496 depends on MIPS_MTX1 || (MIPS && COMPILE_TEST)
1498 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1499 will reboot the machine after a 100 seconds timer expired.
1502 tristate "PNX833x Hardware Watchdog"
1503 depends on SOC_PNX8335
1506 Hardware driver for the PNX833x's watchdog. This is a
1507 watchdog timer that will reboot the machine after a programmable
1508 timer has expired and no process has written to /dev/watchdog during
1512 tristate "Sibyte SoC hardware watchdog"
1513 depends on CPU_SB1 || (MIPS && COMPILE_TEST)
1515 Watchdog driver for the built in watchdog hardware in Sibyte
1516 SoC processors. There are apparently two watchdog timers
1517 on such processors; this driver supports only the first one,
1518 because currently Linux only supports exporting one watchdog
1521 To compile this driver as a loadable module, choose M here.
1522 The module will be called sb_wdog.
1525 tristate "TI AR7 Watchdog Timer"
1526 depends on AR7 || (MIPS && COMPILE_TEST)
1528 Hardware driver for the TI AR7 Watchdog Timer.
1531 tristate "Toshiba TXx9 Watchdog Timer"
1532 depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST)
1533 select WATCHDOG_CORE
1535 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1538 tristate "Cavium OCTEON SOC family Watchdog Timer"
1539 depends on CAVIUM_OCTEON_SOC
1541 select WATCHDOG_CORE
1542 select EXPORT_UASM if OCTEON_WDT = m
1544 Hardware driver for OCTEON's on chip watchdog timer.
1545 Enables the watchdog for all cores running Linux. It
1546 installs a NMI handler and pokes the watchdog based on an
1547 interrupt. On first expiration of the watchdog, the
1548 interrupt handler pokes it. The second expiration causes an
1549 NMI that prints a message. The third expiration causes a
1552 When userspace has /dev/watchdog open, no poking is done
1553 from the first interrupt, it is then only poked when the
1557 tristate "Broadcom BCM63xx hardware watchdog"
1560 Watchdog driver for the built in watchdog hardware in Broadcom
1563 To compile this driver as a loadable module, choose M here.
1564 The module will be called bcm63xx_wdt.
1567 tristate "Broadcom BCM2835 hardware watchdog"
1568 depends on ARCH_BCM2835 || (OF && COMPILE_TEST)
1569 select WATCHDOG_CORE
1571 Watchdog driver for the built in watchdog hardware in Broadcom
1574 To compile this driver as a loadable module, choose M here.
1575 The module will be called bcm2835_wdt.
1578 tristate "BCM Kona Watchdog"
1579 depends on ARCH_BCM_MOBILE || COMPILE_TEST
1580 select WATCHDOG_CORE
1582 Support for the watchdog timer on the following Broadcom BCM281xx
1583 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1586 Say 'Y' or 'M' here to enable the driver. The module will be called
1589 config BCM_KONA_WDT_DEBUG
1590 bool "DEBUGFS support for BCM Kona Watchdog"
1591 depends on BCM_KONA_WDT || COMPILE_TEST
1593 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1594 access to the driver's internal data structures as well as watchdog
1595 timer hardware registres.
1597 If in doubt, say 'N'.
1600 tristate "BCM7038 Watchdog"
1601 select WATCHDOG_CORE
1602 depends on HAS_IOMEM
1603 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1605 Watchdog driver for the built-in hardware in Broadcom 7038 and
1606 later SoCs used in set-top boxes. BCM7038 was made public
1607 during the 2004 CES, and since then, many Broadcom chips use this
1608 watchdog block, including some cable modem chips.
1611 tristate "Imagination Technologies PDC Watchdog Timer"
1612 depends on HAS_IOMEM
1613 depends on MIPS || COMPILE_TEST
1614 select WATCHDOG_CORE
1616 Driver for Imagination Technologies PowerDown Controller
1619 To compile this driver as a loadable module, choose M here.
1620 The module will be called imgpdc_wdt.
1623 tristate "Lantiq SoC watchdog"
1626 Hardware driver for the Lantiq SoC Watchdog Timer.
1628 config LOONGSON1_WDT
1629 tristate "Loongson1 SoC hardware watchdog"
1630 depends on MACH_LOONGSON32
1631 select WATCHDOG_CORE
1633 Hardware driver for the Loongson1 SoC Watchdog Timer.
1636 tristate "Ralink SoC watchdog"
1637 select WATCHDOG_CORE
1640 Hardware driver for the Ralink SoC Watchdog Timer.
1643 tristate "Mediatek SoC watchdog"
1644 select WATCHDOG_CORE
1645 depends on SOC_MT7620 || SOC_MT7621
1647 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1650 tristate "Microchip PIC32 hardware watchdog"
1651 select WATCHDOG_CORE
1652 depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1654 Watchdog driver for the built in watchdog hardware in a PIC32.
1656 Configuration bits must be set appropriately for the watchdog to be
1657 controlled by this driver.
1659 To compile this driver as a loadable module, choose M here.
1660 The module will be called pic32-wdt.
1663 tristate "Microchip PIC32 Deadman Timer"
1664 select WATCHDOG_CORE
1665 depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1667 Watchdog driver for PIC32 instruction fetch counting timer. This specific
1668 timer is typically be used in misson critical and safety critical
1669 applications, where any single failure of the software functionality
1670 and sequencing must be detected.
1672 To compile this driver as a loadable module, choose M here.
1673 The module will be called pic32-dmt.
1675 # PARISC Architecture
1677 # POWERPC Architecture
1680 tristate "GE Watchdog Timer"
1683 Watchdog timer found in a number of GE single board computers.
1686 bool "MPC52xx Watchdog Timer"
1687 depends on PPC_MPC52xx || COMPILE_TEST
1689 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1692 tristate "MPC8xxx Platform Watchdog Timer"
1693 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1694 select WATCHDOG_CORE
1696 This driver is for a SoC level watchdog that exists on some
1697 Freescale PowerPC processors. So far this driver supports:
1702 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1705 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1706 depends on MV64X60 || COMPILE_TEST
1709 tristate "PIKA FPGA Watchdog"
1710 depends on WARP || (PPC64 && COMPILE_TEST)
1713 This enables the watchdog in the PIKA FPGA. Currently used on
1717 tristate "PowerPC Book-E Watchdog Timer"
1718 depends on BOOKE || 4xx
1719 select WATCHDOG_CORE
1721 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1722 MPC85xx SOCs and the IBM PowerPC 440.
1724 Please see Documentation/watchdog/watchdog-api.txt for
1727 config BOOKE_WDT_DEFAULT_TIMEOUT
1728 int "PowerPC Book-E Watchdog Timer Default Timeout"
1729 depends on BOOKE_WDT
1730 default 38 if PPC_FSL_BOOK3E
1731 range 0 63 if PPC_FSL_BOOK3E
1732 default 3 if !PPC_FSL_BOOK3E
1733 range 0 3 if !PPC_FSL_BOOK3E
1735 Select the default watchdog timer period to be used by the PowerPC
1736 Book-E watchdog driver. A watchdog "event" occurs when the bit
1737 position represented by this number transitions from zero to one.
1739 For Freescale Book-E processors, this is a number between 0 and 63.
1740 For other Book-E processors, this is a number between 0 and 3.
1742 The value can be overridden by the wdt_period command-line parameter.
1745 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1746 select WATCHDOG_CORE
1747 depends on GPIOLIB || COMPILE_TEST
1749 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1751 The driver can also be built as a module. If so, the module will be
1754 If unsure select N here.
1756 # PPC64 Architecture
1758 config WATCHDOG_RTAS
1759 tristate "RTAS watchdog"
1762 This driver adds watchdog support for the RTAS watchdog.
1764 To compile this driver as a module, choose M here. The module
1765 will be called wdrtas.
1769 config DIAG288_WATCHDOG
1770 tristate "System z diag288 Watchdog"
1772 select WATCHDOG_CORE
1774 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1775 provide a virtual watchdog timer to their guest that cause a
1776 user define Control Program command to be executed after a
1778 LPAR provides a very similar interface. This driver handles
1781 To compile this driver as a module, choose M here. The module
1782 will be called diag288_wdt.
1784 # SUPERH (sh + sh64) Architecture
1787 tristate "SuperH Watchdog"
1788 depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST)
1789 select WATCHDOG_CORE
1791 This driver adds watchdog support for the integrated watchdog in the
1792 SuperH processors. If you have one of these processors and wish
1793 to have watchdog support enabled, say Y, otherwise say N.
1795 As a side note, saying Y here will automatically boost HZ to 1000
1796 so that the timer has a chance to clear the overflow counter. On
1797 slower systems (such as the SH-2 and SH-3) this will likely yield
1798 some performance issues. As such, the WDT should be avoided here
1799 unless it is absolutely necessary.
1801 To compile this driver as a module, choose M here: the
1802 module will be called shwdt.
1804 # SPARC Architecture
1806 # SPARC64 Architecture
1808 config WATCHDOG_CP1XXX
1809 tristate "CP1XXX Hardware Watchdog support"
1810 depends on SPARC64 && PCI
1812 This is the driver for the hardware watchdog timers present on
1813 Sun Microsystems CompactPCI models CP1400 and CP1500.
1815 To compile this driver as a module, choose M here: the
1816 module will be called cpwatchdog.
1818 If you do not have a CompactPCI model CP1400 or CP1500, or
1819 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1820 you should say N to this option.
1823 tristate "RIO Hardware Watchdog support"
1824 depends on SPARC64 && PCI
1826 Say Y here to support the hardware watchdog capability on Sun RIO
1827 machines. The watchdog timeout period is normally one minute but
1828 can be changed with a boot-time parameter.
1830 config WATCHDOG_SUN4V
1831 tristate "Sun4v Watchdog support"
1832 select WATCHDOG_CORE
1835 Say Y here to support the hypervisor watchdog capability embedded
1836 in the SPARC sun4v architecture.
1838 To compile this driver as a module, choose M here. The module will
1839 be called sun4v_wdt.
1841 # XTENSA Architecture
1846 tristate "Xen Watchdog support"
1848 select WATCHDOG_CORE
1850 Say Y here to support the hypervisor watchdog capability provided
1851 by Xen 4.0 and newer. The watchdog timeout period is normally one
1852 minute but can be changed with a boot-time parameter.
1855 tristate "UML watchdog"
1856 depends on UML || COMPILE_TEST
1859 # ISA-based Watchdog Cards
1862 comment "ISA-based Watchdog Cards"
1866 tristate "Berkshire Products ISA-PC Watchdog"
1869 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1870 This card simply watches your kernel to make sure it doesn't freeze,
1871 and if it does, it reboots your computer after a certain amount of
1872 time. This driver is like the WDT501 driver but for different
1873 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1874 watchdog cards can be ordered from <http://www.berkprod.com/>.
1876 To compile this driver as a module, choose M here: the
1877 module will be called pcwd.
1879 Most people will say N.
1882 tristate "Mixcom Watchdog"
1885 This is a driver for the Mixcom hardware watchdog cards. This
1886 watchdog simply watches your kernel to make sure it doesn't freeze,
1887 and if it does, it reboots your computer after a certain amount of
1890 To compile this driver as a module, choose M here: the
1891 module will be called mixcomwd.
1893 Most people will say N.
1896 tristate "WDT Watchdog timer"
1899 If you have a WDT500P or WDT501P watchdog board, say Y here,
1900 otherwise N. It is not possible to probe for this board, which means
1901 that you have to inform the kernel about the IO port and IRQ that
1902 is needed (you can do this via the io and irq parameters)
1904 To compile this driver as a module, choose M here: the
1905 module will be called wdt.
1908 # PCI-based Watchdog Cards
1911 comment "PCI-based Watchdog Cards"
1914 config PCIPCWATCHDOG
1915 tristate "Berkshire Products PCI-PC Watchdog"
1918 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1919 This card simply watches your kernel to make sure it doesn't freeze,
1920 and if it does, it reboots your computer after a certain amount of
1921 time. The card can also monitor the internal temperature of the PC.
1922 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1924 To compile this driver as a module, choose M here: the
1925 module will be called pcwd_pci.
1927 Most people will say N.
1930 tristate "PCI-WDT500/501 Watchdog timer"
1933 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1935 If you have a PCI-WDT501 watchdog board then you can enable the
1936 temperature sensor by setting the type parameter to 501.
1938 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1939 can do this via the tachometer parameter. Only do this if you have a
1940 fan tachometer actually set up.
1942 To compile this driver as a module, choose M here: the
1943 module will be called wdt_pci.
1946 # USB-based Watchdog Cards
1949 comment "USB-based Watchdog Cards"
1952 config USBPCWATCHDOG
1953 tristate "Berkshire Products USB-PC Watchdog"
1956 This is the driver for the Berkshire Products USB-PC Watchdog card.
1957 This card simply watches your kernel to make sure it doesn't freeze,
1958 and if it does, it reboots your computer after a certain amount of
1959 time. The card can also monitor the internal temperature of the PC.
1960 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1962 To compile this driver as a module, choose M here: the
1963 module will be called pcwd_usb.
1965 Most people will say N.
1967 comment "Watchdog Pretimeout Governors"
1969 config WATCHDOG_PRETIMEOUT_GOV
1970 bool "Enable watchdog pretimeout governors"
1971 depends on WATCHDOG_CORE
1973 The option allows to select watchdog pretimeout governors.
1975 if WATCHDOG_PRETIMEOUT_GOV
1978 prompt "Default Watchdog Pretimeout Governor"
1979 default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
1981 This option selects a default watchdog pretimeout governor.
1982 The governor takes its action, if a watchdog is capable
1983 to report a pretimeout event.
1985 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP
1987 select WATCHDOG_PRETIMEOUT_GOV_NOOP
1989 Use noop watchdog pretimeout governor by default. If noop
1990 governor is selected by a user, write a short message to
1991 the kernel log buffer and don't do any system changes.
1993 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
1995 select WATCHDOG_PRETIMEOUT_GOV_PANIC
1997 Use panic watchdog pretimeout governor by default, if
1998 a watchdog pretimeout event happens, consider that
1999 a watchdog feeder is dead and reboot is unavoidable.
2003 config WATCHDOG_PRETIMEOUT_GOV_NOOP
2004 tristate "Noop watchdog pretimeout governor"
2006 Noop watchdog pretimeout governor, only an informational
2007 message is added to kernel log buffer.
2009 config WATCHDOG_PRETIMEOUT_GOV_PANIC
2010 tristate "Panic watchdog pretimeout governor"
2012 Panic watchdog pretimeout governor, on watchdog pretimeout
2013 event put the kernel into panic.
2015 endif # WATCHDOG_PRETIMEOUT_GOV