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
50 bool "Read different watchdog information through sysfs"
52 Say Y here if you want to enable watchdog device status read through
56 # General Watchdog drivers
59 comment "Watchdog Device Drivers"
61 # Architecture Independent
64 tristate "Software watchdog"
67 A software monitoring watchdog. This will fail to reboot your system
68 from some situations that the hardware watchdog will recover
69 from. Equally it's a lot cheaper to install.
71 To compile this driver as a module, choose M here: the
72 module will be called softdog.
74 config DA9052_WATCHDOG
75 tristate "Dialog DA9052 Watchdog"
76 depends on PMIC_DA9052
79 Support for the watchdog in the DA9052 PMIC. Watchdog trigger
82 Say Y here to include support for the DA9052 watchdog.
83 Alternatively say M to compile the driver as a module,
84 which will be called da9052_wdt.
86 config DA9055_WATCHDOG
87 tristate "Dialog Semiconductor DA9055 Watchdog"
91 If you say yes here you get support for watchdog on the Dialog
92 Semiconductor DA9055 PMIC.
94 This driver can also be built as a module. If so, the module
95 will be called da9055_wdt.
97 config DA9063_WATCHDOG
98 tristate "Dialog DA9063 Watchdog"
102 Support for the watchdog in the DA9063 PMIC.
104 This driver can be built as a module. The module name is da9063_wdt.
106 config DA9062_WATCHDOG
107 tristate "Dialog DA9062 Watchdog"
108 depends on MFD_DA9062
111 Support for the watchdog in the DA9062 PMIC.
113 This driver can be built as a module. The module name is da9062_wdt.
116 tristate "Watchdog device controlled through GPIO-line"
120 If you say yes here you get support for watchdog device
121 controlled through GPIO-line.
123 config GPIO_WATCHDOG_ARCH_INITCALL
124 bool "Register the watchdog as early as possible"
125 depends on GPIO_WATCHDOG=y
127 In some situations, the default initcall level (module_init)
128 in not early enough in the boot process to avoid the watchdog
130 If you say yes here, the initcall level would be raised to
134 config MENF21BMC_WATCHDOG
135 tristate "MEN 14F021P00 BMC Watchdog"
136 depends on MFD_MENF21BMC
139 Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
141 This driver can also be built as a module. If so the module
142 will be called menf21bmc_wdt.
144 config TANGOX_WATCHDOG
145 tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
147 depends on ARCH_TANGO || COMPILE_TEST
150 Support for the watchdog in Sigma Designs SMP86xx (tango3)
151 and SMP87xx (tango4) family chips.
153 This driver can be built as a module. The module name is tangox_wdt.
156 tristate "ACPI Watchdog Action Table (WDAT)"
161 This driver adds support for systems with ACPI Watchdog Action
162 Table (WDAT) table. Servers typically have this but it can be
163 found on some desktop machines as well. This driver will take
164 over the native iTCO watchdog driver found on many Intel CPUs.
166 To compile this driver as module, choose M here: the module will
169 config WM831X_WATCHDOG
170 tristate "WM831x watchdog"
171 depends on MFD_WM831X
174 Support for the watchdog in the WM831x AudioPlus PMICs. When
175 the watchdog triggers the system will be reset.
177 config WM8350_WATCHDOG
178 tristate "WM8350 watchdog"
179 depends on MFD_WM8350
182 Support for the watchdog in the WM8350 AudioPlus PMIC. When
183 the watchdog triggers the system will be reset.
185 config XILINX_WATCHDOG
186 tristate "Xilinx Watchdog timer"
190 Watchdog driver for the xps_timebase_wdt ip core.
192 To compile this driver as a module, choose M here: the
193 module will be called of_xilinx_wdt.
195 config ZIIRAVE_WATCHDOG
196 tristate "Zodiac RAVE Watchdog Timer"
200 Watchdog driver for the Zodiac Aerospace RAVE Switch Watchdog
203 To compile this driver as a module, choose M here: the
204 module will be called ziirave_wdt.
210 config ARM_SP805_WATCHDOG
211 tristate "ARM SP805 Watchdog"
212 depends on (ARM || ARM64) && ARM_AMBA
215 ARM Primecell SP805 Watchdog timer. This will reboot your system when
216 the timeout is reached.
218 config ARM_SBSA_WATCHDOG
219 tristate "ARM SBSA Generic Watchdog"
221 depends on ARM_ARCH_TIMER
224 ARM SBSA Generic Watchdog has two stage timeouts:
225 the first signal (WS0) is for alerting the system by interrupt,
226 the second one (WS1) is a real hardware reset.
227 More details: ARM DEN0029B - Server Base System Architecture (SBSA)
229 This driver can operate ARM SBSA Generic Watchdog as a single stage
230 or a two stages watchdog, it depends on the module parameter "action".
232 Note: the maximum timeout in the two stages mode is half of that in
233 the single stage mode.
235 To compile this driver as module, choose M here: The module
236 will be called sbsa_gwdt.
238 config ASM9260_WATCHDOG
239 tristate "Alphascale ASM9260 watchdog"
240 depends on MACH_ASM9260
243 select RESET_CONTROLLER
245 Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
246 system when the timeout is reached.
248 config AT91RM9200_WATCHDOG
249 tristate "AT91RM9200 watchdog"
250 depends on SOC_AT91RM9200 && MFD_SYSCON
252 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
253 system when the timeout is reached.
255 config AT91SAM9X_WATCHDOG
256 tristate "AT91SAM9X / AT91CAP9 watchdog"
260 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
261 reboot your system when the timeout is reached.
263 config SAMA5D4_WATCHDOG
264 tristate "Atmel SAMA5D4 Watchdog Timer"
268 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
269 Its Watchdog Timer Mode Register can be written more than once.
270 This will reboot your system when the timeout is reached.
272 config CADENCE_WATCHDOG
273 tristate "Cadence Watchdog Timer"
277 Say Y here if you want to include support for the watchdog
278 timer in the Xilinx Zynq.
280 config 21285_WATCHDOG
281 tristate "DC21285 watchdog"
282 depends on FOOTBRIDGE
284 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
285 here if you wish to use this. Alternatively say M to compile the
286 driver as a module, which will be called wdt285.
288 This driver does not work on all machines. In particular, early CATS
289 boards have hardware problems that will cause the machine to simply
290 lock up if the watchdog fires.
292 "If in doubt, leave it out" - say N.
295 tristate "NetWinder WB83C977 watchdog"
296 depends on FOOTBRIDGE && ARCH_NETWINDER
298 Say Y here to include support for the WB977 watchdog included in
299 NetWinder machines. Alternatively say M to compile the driver as
300 a module, which will be called wdt977.
302 Not sure? It's safe to say N.
304 config IXP4XX_WATCHDOG
305 tristate "IXP4xx Watchdog"
306 depends on ARCH_IXP4XX
308 Say Y here if to include support for the watchdog timer
309 in the Intel IXP4xx network processors. This driver can
310 be built as a module by choosing M. The module will
311 be called ixp4xx_wdt.
313 Note: The internal IXP4xx watchdog does a soft CPU reset
314 which doesn't reset any peripherals. There are circumstances
315 where the watchdog will fail to reset the board correctly
316 (e.g., if the boot ROM is in an unreadable state).
318 Say N if you are unsure.
320 config KS8695_WATCHDOG
321 tristate "KS8695 watchdog"
322 depends on ARCH_KS8695
324 Watchdog timer embedded into KS8695 processor. This will reboot your
325 system when the timeout is reached.
327 config HAVE_S3C2410_WATCHDOG
330 This will include watchdog timer support for Samsung SoCs. If
331 you want to include watchdog support for any machine, kindly
332 select this in the respective mach-XXXX/Kconfig file.
334 config S3C2410_WATCHDOG
335 tristate "S3C2410 Watchdog"
336 depends on HAVE_S3C2410_WATCHDOG
338 select MFD_SYSCON if ARCH_EXYNOS5
340 Watchdog timer block in the Samsung SoCs. This will reboot
341 the system when the timer expires with the watchdog enabled.
343 The driver is limited by the speed of the system's PCLK
344 signal, so with reasonably fast systems (PCLK around 50-66MHz)
345 then watchdog intervals of over approximately 20seconds are
348 The driver can be built as a module by choosing M, and will
349 be called s3c2410_wdt
351 config SA1100_WATCHDOG
352 tristate "SA1100/PXA2xx watchdog"
353 depends on ARCH_SA1100 || ARCH_PXA
355 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
356 reboot your system when timeout is reached.
358 NOTE: once enabled, this timer cannot be disabled.
360 To compile this driver as a module, choose M here: the
361 module will be called sa1100_wdt.
364 tristate "Synopsys DesignWare watchdog"
368 Say Y here if to include support for the Synopsys DesignWare
369 watchdog timer found in many chips.
370 To compile this driver as a module, choose M here: the
371 module will be called dw_wdt.
373 config EP93XX_WATCHDOG
374 tristate "EP93xx Watchdog"
375 depends on ARCH_EP93XX
378 Say Y here if to include support for the watchdog timer
379 embedded in the Cirrus Logic EP93xx family of devices.
381 To compile this driver as a module, choose M here: the
382 module will be called ep93xx_wdt.
385 tristate "OMAP Watchdog"
386 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
389 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
390 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
392 config PNX4008_WATCHDOG
393 tristate "LPC32XX Watchdog"
394 depends on ARCH_LPC32XX
397 Say Y here if to include support for the watchdog timer
398 in the LPC32XX processor.
399 This driver can be built as a module by choosing M. The module
400 will be called pnx4008_wdt.
402 Say N if you are unsure.
405 tristate "IOP Watchdog"
406 depends on ARCH_IOP13XX
407 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
409 Say Y here if to include support for the watchdog timer
410 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
411 be built as a module by choosing M. The module will
414 Note: The IOP13XX watchdog does an Internal Bus Reset which will
415 affect both cores and the peripherals of the IOP. The ATU-X
416 and/or ATUe configuration registers will remain intact, but if
417 operating as an Root Complex and/or Central Resource, the PCI-X
418 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
420 config DAVINCI_WATCHDOG
421 tristate "DaVinci watchdog"
422 depends on ARCH_DAVINCI || ARCH_KEYSTONE
425 Say Y here if to include support for the watchdog timer
426 in the DaVinci DM644x/DM646x or Keystone processors.
427 To compile this driver as a module, choose M here: the
428 module will be called davinci_wdt.
430 NOTE: once enabled, this timer cannot be disabled.
431 Say N if you are unsure.
433 config ORION_WATCHDOG
434 tristate "Orion watchdog"
435 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU
439 Say Y here if to include support for the watchdog timer
440 in the Marvell Orion5x and Kirkwood ARM SoCs.
441 To compile this driver as a module, choose M here: the
442 module will be called orion_wdt.
444 config RN5T618_WATCHDOG
445 tristate "Ricoh RN5T618 watchdog"
446 depends on MFD_RN5T618
449 If you say yes here you get support for watchdog on the Ricoh
452 This driver can also be built as a module. If so, the module
453 will be called rn5t618_wdt.
455 config SUNXI_WATCHDOG
456 tristate "Allwinner SoCs watchdog support"
457 depends on ARCH_SUNXI
460 Say Y here to include support for the watchdog timer
462 To compile this driver as a module, choose M here: the
463 module will be called sunxi_wdt.
465 config COH901327_WATCHDOG
466 bool "ST-Ericsson COH 901 327 watchdog"
468 default y if MACH_U300
471 Say Y here to include Watchdog timer support for the
472 watchdog embedded into the ST-Ericsson U300 series platforms.
473 This watchdog is used to reset the system and thus cannot be
474 compiled as a module.
476 config TWL4030_WATCHDOG
477 tristate "TWL4030 Watchdog"
478 depends on TWL4030_CORE
481 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
482 watchdog timer support for TWL4030 chips.
484 config STMP3XXX_RTC_WATCHDOG
485 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
486 depends on RTC_DRV_STMP
489 Say Y here to include support for the watchdog timer inside
490 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
491 To compile this driver as a module, choose M here: the
492 module will be called stmp3xxx_rtc_wdt.
494 config NUC900_WATCHDOG
495 tristate "Nuvoton NUC900 watchdog"
496 depends on ARCH_W90X900
498 Say Y here if to include support for the watchdog timer
499 for the Nuvoton NUC900 series SoCs.
500 To compile this driver as a module, choose M here: the
501 module will be called nuc900_wdt.
503 config TS4800_WATCHDOG
504 tristate "TS-4800 Watchdog"
505 depends on HAS_IOMEM && OF
506 depends on SOC_IMX51 || COMPILE_TEST
510 Technologic Systems TS-4800 has watchdog timer implemented in
511 an external FPGA. Say Y here if you want to support for the
512 watchdog timer on TS-4800 board.
514 config TS72XX_WATCHDOG
515 tristate "TS-72XX SBC Watchdog"
516 depends on MACH_TS72XX
518 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
519 watchdog timer implemented in a external CPLD chip. Say Y here
520 if you want to support for the watchdog timer on TS-72XX boards.
522 To compile this driver as a module, choose M here: the
523 module will be called ts72xx_wdt.
525 config MAX63XX_WATCHDOG
526 tristate "Max63xx watchdog"
530 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
532 config MAX77620_WATCHDOG
533 tristate "Maxim Max77620 Watchdog Timer"
534 depends on MFD_MAX77620
536 This is the driver for the Max77620 watchdog timer.
537 Say 'Y' here to enable the watchdog timer support for
538 MAX77620 chips. To compile this driver as a module,
539 choose M here: the module will be called max77620_wdt.
542 tristate "IMX2+ Watchdog"
543 depends on ARCH_MXC || ARCH_LAYERSCAPE
547 This is the driver for the hardware watchdog
548 on the Freescale IMX2 and later processors.
549 If you have one of these processors and wish to have
550 watchdog support enabled, say Y, otherwise say N.
552 To compile this driver as a module, choose M here: the
553 module will be called imx2_wdt.
555 config UX500_WATCHDOG
556 tristate "ST-Ericsson Ux500 watchdog"
557 depends on MFD_DB8500_PRCMU
561 Say Y here to include Watchdog timer support for the watchdog
562 existing in the prcmu of ST-Ericsson Ux500 series platforms.
564 To compile this driver as a module, choose M here: the
565 module will be called ux500_wdt.
568 tristate "Retu watchdog"
572 Retu watchdog driver for Nokia Internet Tablets (770, N800,
573 N810). At least on N800 the watchdog cannot be disabled, so
574 this driver is essential and you should enable it.
576 To compile this driver as a module, choose M here: the
577 module will be called retu_wdt.
580 tristate "MOXART watchdog"
581 depends on ARCH_MOXART
583 Say Y here to include Watchdog timer support for the watchdog
584 existing on the MOXA ART SoC series platforms.
586 To compile this driver as a module, choose M here: the
587 module will be called moxart_wdt.
589 config SIRFSOC_WATCHDOG
590 tristate "SiRFSOC watchdog"
595 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
596 the watchdog triggers the system will be reset.
598 config ST_LPC_WATCHDOG
599 tristate "STMicroelectronics LPC Watchdog"
604 Say Y here to include STMicroelectronics Low Power Controller
605 (LPC) based Watchdog timer support.
607 To compile this driver as a module, choose M here: the
608 module will be called st_lpc_wdt.
610 config TEGRA_WATCHDOG
611 tristate "Tegra watchdog"
612 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
615 Say Y here to include support for the watchdog timer
616 embedded in NVIDIA Tegra SoCs.
618 To compile this driver as a module, choose M here: the
619 module will be called tegra_wdt.
622 tristate "QCOM watchdog"
627 Say Y here to include Watchdog timer support for the watchdog found
628 on QCOM chipsets. Currently supported targets are the MSM8960,
629 APQ8064, and IPQ8064.
631 To compile this driver as a module, choose M here: the
632 module will be called qcom_wdt.
634 config MESON_GXBB_WATCHDOG
635 tristate "Amlogic Meson GXBB SoCs watchdog support"
636 depends on ARCH_MESON
639 Say Y here to include support for the watchdog timer
640 in Amlogic Meson GXBB SoCs.
641 To compile this driver as a module, choose M here: the
642 module will be called meson_gxbb_wdt.
644 config MESON_WATCHDOG
645 tristate "Amlogic Meson SoCs watchdog support"
646 depends on ARCH_MESON
649 Say Y here to include support for the watchdog timer
650 in Amlogic Meson SoCs.
651 To compile this driver as a module, choose M here: the
652 module will be called meson_wdt.
654 config MEDIATEK_WATCHDOG
655 tristate "Mediatek SoCs watchdog support"
656 depends on ARCH_MEDIATEK
659 Say Y here to include support for the watchdog timer
661 To compile this driver as a module, choose M here: the
662 module will be called mtk_wdt.
664 config DIGICOLOR_WATCHDOG
665 tristate "Conexant Digicolor SoCs watchdog support"
666 depends on ARCH_DIGICOLOR
669 Say Y here to include support for the watchdog timer
670 in Conexant Digicolor SoCs.
671 To compile this driver as a module, choose M here: the
672 module will be called digicolor_wdt.
674 config LPC18XX_WATCHDOG
675 tristate "LPC18xx/43xx Watchdog"
676 depends on ARCH_LPC18XX || COMPILE_TEST
680 Say Y here if to include support for the watchdog timer
681 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
683 To compile this driver as a module, choose M here: the
684 module will be called lpc18xx_wdt.
686 config ATLAS7_WATCHDOG
687 tristate "CSRatlas7 watchdog"
688 depends on ARCH_ATLAS7
690 Say Y here to include Watchdog timer support for the watchdog
691 existing on the CSRatlas7 series platforms.
693 To compile this driver as a module, choose M here: the
694 module will be called atlas7_wdt.
697 tristate "Renesas WDT Watchdog"
698 depends on ARCH_RENESAS || COMPILE_TEST
701 This driver adds watchdog support for the integrated watchdogs in the
702 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
704 config ASPEED_WATCHDOG
705 tristate "Aspeed 2400 watchdog support"
706 depends on ARCH_ASPEED || COMPILE_TEST
709 Say Y here to include support for the watchdog timer
712 This driver is required to reboot the SoC.
714 To compile this driver as a module, choose M here: the
715 module will be called aspeed_wdt.
719 config AT32AP700X_WDT
720 tristate "AT32AP700x watchdog"
721 depends on CPU_AT32AP700X
723 Watchdog timer embedded into AT32AP700x devices. This will reboot
724 your system when the timeout is reached.
726 # BLACKFIN Architecture
729 tristate "Blackfin On-Chip Watchdog Timer"
732 If you say yes here you will get support for the Blackfin On-Chip
733 Watchdog Timer. If you have one of these processors and wish to
734 have watchdog support enabled, say Y, otherwise say N.
736 To compile this driver as a module, choose M here: the
737 module will be called bfin_wdt.
743 # X86 (i386 + ia64 + x86_64) Architecture
746 tristate "Acquire SBC Watchdog Timer"
749 This is the driver for the hardware watchdog on Single Board
750 Computers produced by Acquire Inc (and others). This watchdog
751 simply watches your kernel to make sure it doesn't freeze, and if
752 it does, it reboots your computer after a certain amount of time.
754 To compile this driver as a module, choose M here: the
755 module will be called acquirewdt.
757 Most people will say N.
760 tristate "Advantech SBC Watchdog Timer"
763 If you are configuring a Linux kernel for the Advantech single-board
764 computer, say `Y' here to support its built-in watchdog timer
765 feature. More information can be found at
766 <http://www.advantech.com.tw/products/>
769 tristate "ALi M1535 PMU Watchdog Timer"
770 depends on X86 && PCI
772 This is the driver for the hardware watchdog on the ALi M1535 PMU.
774 To compile this driver as a module, choose M here: the
775 module will be called alim1535_wdt.
777 Most people will say N.
780 tristate "ALi M7101 PMU Computer Watchdog"
783 This is the driver for the hardware watchdog on the ALi M7101 PMU
784 as used in the x86 Cobalt servers and also found in some
785 SPARC Netra servers too.
787 To compile this driver as a module, choose M here: the
788 module will be called alim7101_wdt.
790 Most people will say N.
793 tristate "WinSystems EBC-C384 Watchdog Timer"
794 depends on X86 && ISA_BUS_API
797 Enables watchdog timer support for the watchdog timer on the
798 WinSystems EBC-C384 motherboard. The timeout may be configured via
799 the timeout module parameter.
802 tristate "Fintek F718xx, F818xx Super I/O Watchdog"
805 This is the driver for the hardware watchdog on the Fintek F71808E,
806 F71862FG, F71868, F71869, F71882FG, F71889FG, F81865 and F81866
807 Super I/O controllers.
809 You can compile this driver directly into the kernel, or use
810 it as a module. The module will be called f71808e_wdt.
813 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
814 depends on X86 && PCI
816 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
817 (Total Cost of Ownership) timer is a watchdog timer that will reboot
818 the machine after its expiration. The expiration time can be
819 configured with the "heartbeat" parameter.
821 To compile this driver as a module, choose M here: the
822 module will be called sp5100_tco.
825 tristate "AMD Geode CS5535/CS5536 Watchdog"
826 depends on CS5535_MFGPT
828 This driver enables a watchdog capability built into the
829 CS5535/CS5536 companion chips for the AMD Geode GX and LX
830 processors. This watchdog watches your kernel to make sure
831 it doesn't freeze, and if it does, it reboots your computer after
832 a certain amount of time.
834 You can compile this driver directly into the kernel, or use
835 it as a module. The module will be called geodewdt.
838 tristate "AMD Elan SC520 processor Watchdog"
841 This is the driver for the hardware watchdog built in to the
842 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
843 This watchdog simply watches your kernel to make sure it doesn't
844 freeze, and if it does, it reboots your computer after a certain
847 You can compile this driver directly into the kernel, or use
848 it as a module. The module will be called sc520_wdt.
850 config SBC_FITPC2_WATCHDOG
851 tristate "Compulab SBC-FITPC2 watchdog"
854 This is the driver for the built-in watchdog timer on the fit-PC2,
855 fit-PC2i, CM-iAM single-board computers made by Compulab.
857 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
858 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
860 Entering BIOS setup temporary disables watchdog operation regardless to current state,
861 so system will not be restarted while user in BIOS setup.
863 Once watchdog was enabled the system will be restarted every
864 "Watchdog Timer Value" period, so to prevent it user can restart or
865 disable the watchdog.
867 To compile this driver as a module, choose M here: the
868 module will be called sbc_fitpc2_wdt.
870 Most people will say N.
873 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
876 Enable support for the watchdog timer on the Eurotech CPU-1220 and
877 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
878 information are at <http://www.eurotech.it/>.
881 tristate "IB700 SBC Watchdog Timer"
884 This is the driver for the hardware watchdog on the IB700 Single
885 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
886 simply watches your kernel to make sure it doesn't freeze, and if
887 it does, it reboots your computer after a certain amount of time.
889 This driver is like the WDT501 driver but for slightly different hardware.
891 To compile this driver as a module, choose M here: the
892 module will be called ib700wdt.
894 Most people will say N.
897 tristate "IBM Automatic Server Restart"
900 This is the driver for the IBM Automatic Server Restart watchdog
901 timer built-in into some eServer xSeries machines.
903 To compile this driver as a module, choose M here: the
904 module will be called ibmasr.
907 tristate "ICP Single Board Computer Watchdog Timer"
910 This is a driver for the hardware watchdog on the ICP Single
911 Board Computer. This driver is working on (at least) the following
912 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
914 To compile this driver as a module, choose M here: the
915 module will be called wafer5823wdt.
918 tristate "Intel 6300ESB Timer/Watchdog"
921 Hardware driver for the watchdog timer built into the Intel
922 6300ESB controller hub.
924 To compile this driver as a module, choose M here: the
925 module will be called i6300esb.
928 tristate "Intel Atom E6xx Watchdog"
929 depends on X86 && PCI
934 Hardware driver for the watchdog timer built into the Intel
935 Atom E6XX (TunnelCreek) processor.
937 To compile this driver as a module, choose M here: the
938 module will be called ie6xx_wdt.
940 config INTEL_SCU_WATCHDOG
941 bool "Intel SCU Watchdog for Mobile Platforms"
942 depends on X86_INTEL_MID
944 Hardware driver for the watchdog time built into the Intel SCU
945 for Intel Mobile Platforms.
947 To compile this driver as a module, choose M here.
949 config INTEL_MID_WATCHDOG
950 tristate "Intel MID Watchdog Timer"
951 depends on X86_INTEL_MID
954 Watchdog timer driver built into the Intel SCU for Intel MID
957 This driver currently supports only the watchdog evolution
958 implementation in SCU, available for Merrifield generation.
960 To compile this driver as a module, choose M here.
963 tristate "Intel TCO Timer/Watchdog"
964 depends on (X86 || IA64) && PCI
966 depends on I2C || I2C=n
967 select LPC_ICH if !EXPERT
968 select I2C_I801 if !EXPERT && I2C
970 Hardware driver for the intel TCO timer based watchdog devices.
971 These drivers are included in the Intel 82801 I/O Controller
972 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
975 The TCO (Total Cost of Ownership) timer is a watchdog timer
976 that will reboot the machine after its second expiration. The
977 expiration time can be configured with the "heartbeat" parameter.
979 On some motherboards the driver may fail to reset the chipset's
980 NO_REBOOT flag which prevents the watchdog from rebooting the
981 machine. If this is the case you will get a kernel message like
982 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
984 To compile this driver as a module, choose M here: the
985 module will be called iTCO_wdt.
987 config ITCO_VENDOR_SUPPORT
988 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
991 Add vendor specific support to the intel TCO timer based watchdog
992 devices. At this moment we only have additional support for some
993 SuperMicro Inc. motherboards.
996 tristate "IT8712F (Smart Guardian) Watchdog Timer"
999 This is the driver for the built-in watchdog timer on the IT8712F
1000 Super I/0 chipset used on many motherboards.
1002 If the driver does not work, then make sure that the game port in
1003 the BIOS is enabled.
1005 To compile this driver as a module, choose M here: the
1006 module will be called it8712f_wdt.
1009 tristate "IT87 Watchdog Timer"
1012 This is the driver for the hardware watchdog on the ITE IT8702,
1013 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
1016 If the driver does not work, then make sure that the game port in
1017 the BIOS is enabled.
1019 This watchdog simply watches your kernel to make sure it doesn't
1020 freeze, and if it does, it reboots your computer after a certain
1023 To compile this driver as a module, choose M here: the module will
1027 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
1028 depends on X86 && PCI
1030 A software monitoring watchdog and NMI sourcing driver. This driver
1031 will detect lockups and provide a stack trace. This is a driver that
1032 will only load on an HP ProLiant system with a minimum of iLO2 support.
1033 To compile this driver as a module, choose M here: the module will be
1037 tristate "Kontron COM Watchdog Timer"
1038 depends on MFD_KEMPLD
1039 select WATCHDOG_CORE
1041 Support for the PLD watchdog on some Kontron ETX and COMexpress
1042 (ETXexpress) modules
1044 This driver can also be built as a module. If so, the module will be
1047 config HPWDT_NMI_DECODING
1048 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
1049 depends on HP_WATCHDOG
1052 When an NMI occurs this feature will make the necessary BIOS calls to
1053 log the cause of the NMI.
1056 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1059 This is a driver for National Semiconductor PC87307/PC97307 hardware
1060 watchdog cards as found on the SC1200. This watchdog is mainly used
1061 for power management purposes and can be used to power down the device
1062 during inactivity periods (includes interrupt activity monitoring).
1064 To compile this driver as a module, choose M here: the
1065 module will be called sc1200wdt.
1067 Most people will say N.
1070 tristate "National Semiconductor SCx200 Watchdog"
1071 depends on SCx200 && PCI
1073 Enable the built-in watchdog timer support on the National
1074 Semiconductor SCx200 processors.
1076 If compiled as a module, it will be called scx200_wdt.
1079 tristate "NS PC87413 watchdog"
1082 This is the driver for the hardware watchdog on the PC87413 chipset
1083 This watchdog simply watches your kernel to make sure it doesn't
1084 freeze, and if it does, it reboots your computer after a certain
1087 To compile this driver as a module, choose M here: the
1088 module will be called pc87413_wdt.
1090 Most people will say N.
1093 tristate "nVidia TCO Timer/Watchdog"
1094 depends on X86 && PCI
1096 Hardware driver for the TCO timer built into the nVidia Hub family
1097 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
1098 watchdog timer that will reboot the machine after its second
1099 expiration. The expiration time can be configured with the
1100 "heartbeat" parameter.
1102 On some motherboards the driver may fail to reset the chipset's
1103 NO_REBOOT flag which prevents the watchdog from rebooting the
1104 machine. If this is the case you will get a kernel message like
1105 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1107 To compile this driver as a module, choose M here: the
1108 module will be called nv_tco.
1111 tristate "RDC R-321x SoC watchdog"
1112 depends on X86_RDC321X
1114 This is the driver for the built in hardware watchdog
1115 in the RDC R-321x SoC.
1117 To compile this driver as a module, choose M here: the
1118 module will be called rdc321x_wdt.
1121 tristate "SBC-60XX Watchdog Timer"
1124 This driver can be used with the watchdog timer found on some
1125 single board computers, namely the 6010 PII based computer.
1126 It may well work with other cards. It reads port 0x443 to enable
1127 and re-set the watchdog timer, and reads port 0x45 to disable
1128 the watchdog. If you have a card that behave in similar ways,
1129 you can probably make this driver work with your card as well.
1131 You can compile this driver directly into the kernel, or use
1132 it as a module. The module will be called sbc60xxwdt.
1135 tristate "SBC8360 Watchdog Timer"
1139 This is the driver for the hardware watchdog on the SBC8360 Single
1140 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1142 To compile this driver as a module, choose M here: the
1143 module will be called sbc8360.
1145 Most people will say N.
1148 tristate "SBC Nano 7240 Watchdog Timer"
1149 depends on X86_32 && !UML
1151 This is the driver for the hardware watchdog found on the IEI
1152 single board computers EPIC Nano 7240 (and likely others). This
1153 watchdog simply watches your kernel to make sure it doesn't freeze,
1154 and if it does, it reboots your computer after a certain amount of
1157 To compile this driver as a module, choose M here: the
1158 module will be called sbc7240_wdt.
1161 tristate "SMA CPU5 Watchdog"
1165 To compile this driver as a module, choose M here: the
1166 module will be called cpu5wdt.
1168 config SMSC_SCH311X_WDT
1169 tristate "SMSC SCH311X Watchdog Timer"
1172 This is the driver for the hardware watchdog timer on the
1173 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1174 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1177 To compile this driver as a module, choose M here: the
1178 module will be called sch311x_wdt.
1180 config SMSC37B787_WDT
1181 tristate "Winbond SMsC37B787 Watchdog Timer"
1184 This is the driver for the hardware watchdog component on the
1185 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1186 from Vision Systems and maybe others.
1188 This watchdog simply watches your kernel to make sure it doesn't
1189 freeze, and if it does, it reboots your computer after a certain
1192 Usually a userspace daemon will notify the kernel WDT driver that
1193 userspace is still alive, at regular intervals.
1195 To compile this driver as a module, choose M here: the
1196 module will be called smsc37b787_wdt.
1198 Most people will say N.
1201 tristate "VIA Watchdog Timer"
1202 depends on X86 && PCI
1203 select WATCHDOG_CORE
1205 This is the driver for the hardware watchdog timer on VIA
1206 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1208 To compile this driver as a module, choose M here; the module
1209 will be called via_wdt.
1211 Most people will say N.
1214 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1216 select WATCHDOG_CORE
1218 This is the driver for the hardware watchdog on the following
1220 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1233 This watchdog simply watches your kernel to make sure it doesn't
1234 freeze, and if it does, it reboots your computer after a certain
1237 To compile this driver as a module, choose M here: the
1238 module will be called w83627hf_wdt.
1240 Most people will say N.
1243 tristate "W83877F (EMACS) Watchdog Timer"
1246 This is the driver for the hardware watchdog on the W83877F chipset
1247 as used in EMACS PC-104 motherboards (and likely others). This
1248 watchdog simply watches your kernel to make sure it doesn't freeze,
1249 and if it does, it reboots your computer after a certain amount of
1252 To compile this driver as a module, choose M here: the
1253 module will be called w83877f_wdt.
1255 Most people will say N.
1258 tristate "W83977F (PCM-5335) Watchdog Timer"
1261 This is the driver for the hardware watchdog on the W83977F I/O chip
1262 as used in AAEON's PCM-5335 SBC (and likely others). This
1263 watchdog simply watches your kernel to make sure it doesn't freeze,
1264 and if it does, it reboots your computer after a certain amount of
1267 To compile this driver as a module, choose M here: the
1268 module will be called w83977f_wdt.
1271 tristate "ZF MachZ Watchdog"
1274 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1275 N. This is the driver for the watchdog timer built-in on that
1276 processor using ZF-Logic interface. This watchdog simply watches
1277 your kernel to make sure it doesn't freeze, and if it does, it
1278 reboots your computer after a certain amount of time.
1280 To compile this driver as a module, choose M here: the
1281 module will be called machzwd.
1283 config SBC_EPX_C3_WATCHDOG
1284 tristate "Winsystems SBC EPX-C3 watchdog"
1287 This is the driver for the built-in watchdog timer on the EPX-C3
1288 Single-board computer made by Winsystems, Inc.
1290 *Note*: This hardware watchdog is not probeable and thus there
1291 is no way to know if writing to its IO address will corrupt
1292 your system or have any real effect. The only way to be sure
1293 that this driver does what you want is to make sure you
1294 are running it on an EPX-C3 from Winsystems with the watchdog
1295 timer at IO address 0x1ee and 0x1ef. It will write to both those
1296 IO ports. Basically, the assumption is made that if you compile
1297 this driver into your kernel and/or load it as a module, that you
1298 know what you are doing and that you are in fact running on an
1301 To compile this driver as a module, choose M here: the
1302 module will be called sbc_epx_c3.
1304 config INTEL_MEI_WDT
1305 tristate "Intel MEI iAMT Watchdog"
1306 depends on INTEL_MEI && X86
1307 select WATCHDOG_CORE
1309 A device driver for the Intel MEI iAMT watchdog.
1311 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1312 Whenever the OS hangs or crashes, iAMT will send an event
1313 to any subscriber to this event. The watchdog doesn't reset the
1316 To compile this driver as a module, choose M here:
1317 the module will be called mei_wdt.
1320 tristate "NI 903x/913x Watchdog"
1321 depends on X86 && ACPI
1322 select WATCHDOG_CORE
1324 This is the driver for the watchdog timer on the National Instruments
1325 903x/913x real-time controllers.
1327 To compile this driver as a module, choose M here: the module will be
1334 config M54xx_WATCHDOG
1335 tristate "MCF54xx watchdog support"
1338 To compile this driver as a module, choose M here: the
1339 module will be called m54xx_wdt.
1341 # MicroBlaze Architecture
1346 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1349 Hardware driver for the built-in watchdog timer on the Atheros
1350 AR71XX/AR724X/AR913X SoCs.
1353 tristate "Broadcom BCM47xx Watchdog Timer"
1354 depends on BCM47XX || ARCH_BCM_5301X
1355 select WATCHDOG_CORE
1357 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1360 tristate "IDT RC32434 SoC Watchdog Timer"
1361 depends on MIKROTIK_RB532
1363 Hardware driver for the IDT RC32434 SoC built-in
1366 To compile this driver as a module, choose M here: the
1367 module will be called rc32434_wdt.
1370 tristate "Indy/I2 Hardware Watchdog"
1371 depends on SGI_HAS_INDYDOG
1373 Hardware driver for the Indy's/I2's watchdog. This is a
1374 watchdog timer that will reboot the machine after a 60 second
1375 timer expired and no process has written to /dev/watchdog during
1379 tristate "Ingenic jz4740 SoC hardware watchdog"
1380 depends on MACH_JZ4740
1381 select WATCHDOG_CORE
1383 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1386 tristate "MTX-1 Hardware Watchdog"
1387 depends on MIPS_MTX1
1389 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1390 will reboot the machine after a 100 seconds timer expired.
1393 tristate "PNX833x Hardware Watchdog"
1394 depends on SOC_PNX8335
1396 Hardware driver for the PNX833x's watchdog. This is a
1397 watchdog timer that will reboot the machine after a programmable
1398 timer has expired and no process has written to /dev/watchdog during
1402 tristate "Sibyte SoC hardware watchdog"
1405 Watchdog driver for the built in watchdog hardware in Sibyte
1406 SoC processors. There are apparently two watchdog timers
1407 on such processors; this driver supports only the first one,
1408 because currently Linux only supports exporting one watchdog
1411 To compile this driver as a loadable module, choose M here.
1412 The module will be called sb_wdog.
1415 tristate "TI AR7 Watchdog Timer"
1418 Hardware driver for the TI AR7 Watchdog Timer.
1421 tristate "Toshiba TXx9 Watchdog Timer"
1422 depends on CPU_TX39XX || CPU_TX49XX
1423 select WATCHDOG_CORE
1425 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1428 tristate "Cavium OCTEON SOC family Watchdog Timer"
1429 depends on CAVIUM_OCTEON_SOC
1431 select WATCHDOG_CORE
1432 select EXPORT_UASM if OCTEON_WDT = m
1434 Hardware driver for OCTEON's on chip watchdog timer.
1435 Enables the watchdog for all cores running Linux. It
1436 installs a NMI handler and pokes the watchdog based on an
1437 interrupt. On first expiration of the watchdog, the
1438 interrupt handler pokes it. The second expiration causes an
1439 NMI that prints a message. The third expiration causes a
1442 When userspace has /dev/watchdog open, no poking is done
1443 from the first interrupt, it is then only poked when the
1447 tristate "Broadcom BCM63xx hardware watchdog"
1450 Watchdog driver for the built in watchdog hardware in Broadcom
1453 To compile this driver as a loadable module, choose M here.
1454 The module will be called bcm63xx_wdt.
1457 tristate "Broadcom BCM2835 hardware watchdog"
1458 depends on ARCH_BCM2835
1459 select WATCHDOG_CORE
1461 Watchdog driver for the built in watchdog hardware in Broadcom
1464 To compile this driver as a loadable module, choose M here.
1465 The module will be called bcm2835_wdt.
1468 tristate "BCM Kona Watchdog"
1469 depends on ARCH_BCM_MOBILE
1470 select WATCHDOG_CORE
1472 Support for the watchdog timer on the following Broadcom BCM281xx
1473 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1476 Say 'Y' or 'M' here to enable the driver. The module will be called
1479 config BCM_KONA_WDT_DEBUG
1480 bool "DEBUGFS support for BCM Kona Watchdog"
1481 depends on BCM_KONA_WDT
1483 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1484 access to the driver's internal data structures as well as watchdog
1485 timer hardware registres.
1487 If in doubt, say 'N'.
1490 tristate "BCM7038 Watchdog"
1491 select WATCHDOG_CORE
1492 depends on HAS_IOMEM
1493 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1495 Watchdog driver for the built-in hardware in Broadcom 7038 and
1496 later SoCs used in set-top boxes. BCM7038 was made public
1497 during the 2004 CES, and since then, many Broadcom chips use this
1498 watchdog block, including some cable modem chips.
1501 tristate "Imagination Technologies PDC Watchdog Timer"
1502 depends on HAS_IOMEM
1503 depends on METAG || MIPS || COMPILE_TEST
1504 select WATCHDOG_CORE
1506 Driver for Imagination Technologies PowerDown Controller
1509 To compile this driver as a loadable module, choose M here.
1510 The module will be called imgpdc_wdt.
1513 tristate "Lantiq SoC watchdog"
1516 Hardware driver for the Lantiq SoC Watchdog Timer.
1519 tristate "Ralink SoC watchdog"
1520 select WATCHDOG_CORE
1523 Hardware driver for the Ralink SoC Watchdog Timer.
1526 tristate "Mediatek SoC watchdog"
1527 select WATCHDOG_CORE
1528 depends on SOC_MT7620 || SOC_MT7621
1530 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1533 tristate "Microchip PIC32 hardware watchdog"
1534 select WATCHDOG_CORE
1535 depends on MACH_PIC32
1537 Watchdog driver for the built in watchdog hardware in a PIC32.
1539 Configuration bits must be set appropriately for the watchdog to be
1540 controlled by this driver.
1542 To compile this driver as a loadable module, choose M here.
1543 The module will be called pic32-wdt.
1546 tristate "Microchip PIC32 Deadman Timer"
1547 select WATCHDOG_CORE
1548 depends on MACH_PIC32
1550 Watchdog driver for PIC32 instruction fetch counting timer. This specific
1551 timer is typically be used in misson critical and safety critical
1552 applications, where any single failure of the software functionality
1553 and sequencing must be detected.
1555 To compile this driver as a loadable module, choose M here.
1556 The module will be called pic32-dmt.
1558 # PARISC Architecture
1560 # POWERPC Architecture
1563 tristate "GE Watchdog Timer"
1566 Watchdog timer found in a number of GE single board computers.
1569 bool "MPC52xx Watchdog Timer"
1570 depends on PPC_MPC52xx
1572 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1575 tristate "MPC8xxx Platform Watchdog Timer"
1576 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1577 select WATCHDOG_CORE
1579 This driver is for a SoC level watchdog that exists on some
1580 Freescale PowerPC processors. So far this driver supports:
1585 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1588 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1592 tristate "PIKA FPGA Watchdog"
1596 This enables the watchdog in the PIKA FPGA. Currently used on
1600 tristate "PowerPC Book-E Watchdog Timer"
1601 depends on BOOKE || 4xx
1602 select WATCHDOG_CORE
1604 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1605 MPC85xx SOCs and the IBM PowerPC 440.
1607 Please see Documentation/watchdog/watchdog-api.txt for
1610 config BOOKE_WDT_DEFAULT_TIMEOUT
1611 int "PowerPC Book-E Watchdog Timer Default Timeout"
1612 depends on BOOKE_WDT
1613 default 38 if PPC_FSL_BOOK3E
1614 range 0 63 if PPC_FSL_BOOK3E
1615 default 3 if !PPC_FSL_BOOK3E
1616 range 0 3 if !PPC_FSL_BOOK3E
1618 Select the default watchdog timer period to be used by the PowerPC
1619 Book-E watchdog driver. A watchdog "event" occurs when the bit
1620 position represented by this number transitions from zero to one.
1622 For Freescale Book-E processors, this is a number between 0 and 63.
1623 For other Book-E processors, this is a number between 0 and 3.
1625 The value can be overridden by the wdt_period command-line parameter.
1628 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1629 select WATCHDOG_CORE
1630 depends on GPIOLIB || COMPILE_TEST
1632 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1634 The driver can also be built as a module. If so, the module will be
1637 If unsure select N here.
1639 # PPC64 Architecture
1641 config WATCHDOG_RTAS
1642 tristate "RTAS watchdog"
1645 This driver adds watchdog support for the RTAS watchdog.
1647 To compile this driver as a module, choose M here. The module
1648 will be called wdrtas.
1652 config DIAG288_WATCHDOG
1653 tristate "System z diag288 Watchdog"
1655 select WATCHDOG_CORE
1657 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1658 provide a virtual watchdog timer to their guest that cause a
1659 user define Control Program command to be executed after a
1661 LPAR provides a very similar interface. This driver handles
1664 To compile this driver as a module, choose M here. The module
1665 will be called diag288_wdt.
1667 # SUPERH (sh + sh64) Architecture
1670 tristate "SuperH Watchdog"
1671 depends on SUPERH && (CPU_SH3 || CPU_SH4)
1672 select WATCHDOG_CORE
1674 This driver adds watchdog support for the integrated watchdog in the
1675 SuperH processors. If you have one of these processors and wish
1676 to have watchdog support enabled, say Y, otherwise say N.
1678 As a side note, saying Y here will automatically boost HZ to 1000
1679 so that the timer has a chance to clear the overflow counter. On
1680 slower systems (such as the SH-2 and SH-3) this will likely yield
1681 some performance issues. As such, the WDT should be avoided here
1682 unless it is absolutely necessary.
1684 To compile this driver as a module, choose M here: the
1685 module will be called shwdt.
1687 # SPARC Architecture
1689 # SPARC64 Architecture
1691 config WATCHDOG_CP1XXX
1692 tristate "CP1XXX Hardware Watchdog support"
1693 depends on SPARC64 && PCI
1695 This is the driver for the hardware watchdog timers present on
1696 Sun Microsystems CompactPCI models CP1400 and CP1500.
1698 To compile this driver as a module, choose M here: the
1699 module will be called cpwatchdog.
1701 If you do not have a CompactPCI model CP1400 or CP1500, or
1702 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1703 you should say N to this option.
1706 tristate "RIO Hardware Watchdog support"
1707 depends on SPARC64 && PCI
1709 Say Y here to support the hardware watchdog capability on Sun RIO
1710 machines. The watchdog timeout period is normally one minute but
1711 can be changed with a boot-time parameter.
1713 config WATCHDOG_SUN4V
1714 tristate "Sun4v Watchdog support"
1715 select WATCHDOG_CORE
1718 Say Y here to support the hypervisor watchdog capability embedded
1719 in the SPARC sun4v architecture.
1721 To compile this driver as a module, choose M here. The module will
1722 be called sun4v_wdt.
1724 # XTENSA Architecture
1729 tristate "Xen Watchdog support"
1732 Say Y here to support the hypervisor watchdog capability provided
1733 by Xen 4.0 and newer. The watchdog timeout period is normally one
1734 minute but can be changed with a boot-time parameter.
1737 tristate "UML watchdog"
1741 # ISA-based Watchdog Cards
1744 comment "ISA-based Watchdog Cards"
1748 tristate "Berkshire Products ISA-PC Watchdog"
1751 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1752 This card simply watches your kernel to make sure it doesn't freeze,
1753 and if it does, it reboots your computer after a certain amount of
1754 time. This driver is like the WDT501 driver but for different
1755 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1756 watchdog cards can be ordered from <http://www.berkprod.com/>.
1758 To compile this driver as a module, choose M here: the
1759 module will be called pcwd.
1761 Most people will say N.
1764 tristate "Mixcom Watchdog"
1767 This is a driver for the Mixcom hardware watchdog cards. This
1768 watchdog simply watches your kernel to make sure it doesn't freeze,
1769 and if it does, it reboots your computer after a certain amount of
1772 To compile this driver as a module, choose M here: the
1773 module will be called mixcomwd.
1775 Most people will say N.
1778 tristate "WDT Watchdog timer"
1781 If you have a WDT500P or WDT501P watchdog board, say Y here,
1782 otherwise N. It is not possible to probe for this board, which means
1783 that you have to inform the kernel about the IO port and IRQ that
1784 is needed (you can do this via the io and irq parameters)
1786 To compile this driver as a module, choose M here: the
1787 module will be called wdt.
1790 # PCI-based Watchdog Cards
1793 comment "PCI-based Watchdog Cards"
1796 config PCIPCWATCHDOG
1797 tristate "Berkshire Products PCI-PC Watchdog"
1800 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1801 This card simply watches your kernel to make sure it doesn't freeze,
1802 and if it does, it reboots your computer after a certain amount of
1803 time. The card can also monitor the internal temperature of the PC.
1804 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1806 To compile this driver as a module, choose M here: the
1807 module will be called pcwd_pci.
1809 Most people will say N.
1812 tristate "PCI-WDT500/501 Watchdog timer"
1815 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1817 If you have a PCI-WDT501 watchdog board then you can enable the
1818 temperature sensor by setting the type parameter to 501.
1820 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1821 can do this via the tachometer parameter. Only do this if you have a
1822 fan tachometer actually set up.
1824 To compile this driver as a module, choose M here: the
1825 module will be called wdt_pci.
1828 # USB-based Watchdog Cards
1831 comment "USB-based Watchdog Cards"
1834 config USBPCWATCHDOG
1835 tristate "Berkshire Products USB-PC Watchdog"
1838 This is the driver for the Berkshire Products USB-PC Watchdog card.
1839 This card simply watches your kernel to make sure it doesn't freeze,
1840 and if it does, it reboots your computer after a certain amount of
1841 time. The card can also monitor the internal temperature of the PC.
1842 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1844 To compile this driver as a module, choose M here: the
1845 module will be called pcwd_usb.
1847 Most people will say N.
1849 comment "Watchdog Pretimeout Governors"
1851 config WATCHDOG_PRETIMEOUT_GOV
1852 bool "Enable watchdog pretimeout governors"
1853 depends on WATCHDOG_CORE
1855 The option allows to select watchdog pretimeout governors.
1857 if WATCHDOG_PRETIMEOUT_GOV
1860 prompt "Default Watchdog Pretimeout Governor"
1861 default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
1863 This option selects a default watchdog pretimeout governor.
1864 The governor takes its action, if a watchdog is capable
1865 to report a pretimeout event.
1867 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP
1869 select WATCHDOG_PRETIMEOUT_GOV_NOOP
1871 Use noop watchdog pretimeout governor by default. If noop
1872 governor is selected by a user, write a short message to
1873 the kernel log buffer and don't do any system changes.
1875 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
1877 select WATCHDOG_PRETIMEOUT_GOV_PANIC
1879 Use panic watchdog pretimeout governor by default, if
1880 a watchdog pretimeout event happens, consider that
1881 a watchdog feeder is dead and reboot is unavoidable.
1885 config WATCHDOG_PRETIMEOUT_GOV_NOOP
1886 tristate "Noop watchdog pretimeout governor"
1888 Noop watchdog pretimeout governor, only an informational
1889 message is added to kernel log buffer.
1891 config WATCHDOG_PRETIMEOUT_GOV_PANIC
1892 tristate "Panic watchdog pretimeout governor"
1894 Panic watchdog pretimeout governor, on watchdog pretimeout
1895 event put the kernel into panic.
1897 endif # WATCHDOG_PRETIMEOUT_GOV