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.
245 tristate "Mellanox Watchdog"
246 depends on MELLANOX_PLATFORM
250 This is the driver for the hardware watchdog on Mellanox systems.
251 If you are going to use it, say Y here, otherwise N.
252 This driver can be used together with the watchdog daemon.
253 It can also watch your kernel to make sure it doesn't freeze,
254 and if it does, it reboots your system after a certain amount of
257 To compile this driver as a module, choose M here: the
258 module will be called mlx-wdt.
264 config ARM_SP805_WATCHDOG
265 tristate "ARM SP805 Watchdog"
266 depends on (ARM || ARM64 || COMPILE_TEST) && ARM_AMBA
269 ARM Primecell SP805 Watchdog timer. This will reboot your system when
270 the timeout is reached.
272 config ARM_SBSA_WATCHDOG
273 tristate "ARM SBSA Generic Watchdog"
275 depends on ARM_ARCH_TIMER
278 ARM SBSA Generic Watchdog has two stage timeouts:
279 the first signal (WS0) is for alerting the system by interrupt,
280 the second one (WS1) is a real hardware reset.
281 More details: ARM DEN0029B - Server Base System Architecture (SBSA)
283 This driver can operate ARM SBSA Generic Watchdog as a single stage
284 or a two stages watchdog, it depends on the module parameter "action".
286 Note: the maximum timeout in the two stages mode is half of that in
287 the single stage mode.
289 To compile this driver as module, choose M here: The module
290 will be called sbsa_gwdt.
292 config ARMADA_37XX_WATCHDOG
293 tristate "Armada 37xx watchdog"
294 depends on ARCH_MVEBU || COMPILE_TEST
298 Say Y here to include support for the watchdog timer found on
299 Marvell Armada 37xx SoCs.
300 To compile this driver as a module, choose M here: the
301 module will be called armada_37xx_wdt.
303 config ASM9260_WATCHDOG
304 tristate "Alphascale ASM9260 watchdog"
305 depends on MACH_ASM9260 || COMPILE_TEST
308 select RESET_CONTROLLER
310 Watchdog timer embedded into Alphascale asm9260 chips. This will reboot your
311 system when the timeout is reached.
313 config AT91RM9200_WATCHDOG
314 tristate "AT91RM9200 watchdog"
315 depends on (SOC_AT91RM9200 && MFD_SYSCON) || COMPILE_TEST
317 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
318 system when the timeout is reached.
320 config AT91SAM9X_WATCHDOG
321 tristate "AT91SAM9X / AT91CAP9 watchdog"
322 depends on ARCH_AT91 || COMPILE_TEST
325 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
326 reboot your system when the timeout is reached.
328 config SAMA5D4_WATCHDOG
329 tristate "Atmel SAMA5D4 Watchdog Timer"
330 depends on ARCH_AT91 || COMPILE_TEST
333 Atmel SAMA5D4 watchdog timer is embedded into SAMA5D4 chips.
334 Its Watchdog Timer Mode Register can be written more than once.
335 This will reboot your system when the timeout is reached.
337 config CADENCE_WATCHDOG
338 tristate "Cadence Watchdog Timer"
342 Say Y here if you want to include support for the watchdog
343 timer in the Xilinx Zynq.
345 config 21285_WATCHDOG
346 tristate "DC21285 watchdog"
347 depends on FOOTBRIDGE
349 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
350 here if you wish to use this. Alternatively say M to compile the
351 driver as a module, which will be called wdt285.
353 This driver does not work on all machines. In particular, early CATS
354 boards have hardware problems that will cause the machine to simply
355 lock up if the watchdog fires.
357 "If in doubt, leave it out" - say N.
360 tristate "NetWinder WB83C977 watchdog"
361 depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST)
363 Say Y here to include support for the WB977 watchdog included in
364 NetWinder machines. Alternatively say M to compile the driver as
365 a module, which will be called wdt977.
367 Not sure? It's safe to say N.
369 config FTWDT010_WATCHDOG
370 tristate "Faraday Technology FTWDT010 watchdog"
371 depends on ARM || COMPILE_TEST
375 Say Y here if to include support for the Faraday Technology
376 FTWDT010 watchdog timer embedded in the Cortina Systems Gemini
379 To compile this driver as a module, choose M here: the
380 module will be called ftwdt010_wdt.
382 config IXP4XX_WATCHDOG
383 tristate "IXP4xx Watchdog"
384 depends on ARCH_IXP4XX
386 Say Y here if to include support for the watchdog timer
387 in the Intel IXP4xx network processors. This driver can
388 be built as a module by choosing M. The module will
389 be called ixp4xx_wdt.
391 Note: The internal IXP4xx watchdog does a soft CPU reset
392 which doesn't reset any peripherals. There are circumstances
393 where the watchdog will fail to reset the board correctly
394 (e.g., if the boot ROM is in an unreadable state).
396 Say N if you are unsure.
398 config KS8695_WATCHDOG
399 tristate "KS8695 watchdog"
400 depends on ARCH_KS8695
402 Watchdog timer embedded into KS8695 processor. This will reboot your
403 system when the timeout is reached.
405 config HAVE_S3C2410_WATCHDOG
408 This will include watchdog timer support for Samsung SoCs. If
409 you want to include watchdog support for any machine, kindly
410 select this in the respective mach-XXXX/Kconfig file.
412 config S3C2410_WATCHDOG
413 tristate "S3C2410 Watchdog"
414 depends on HAVE_S3C2410_WATCHDOG || COMPILE_TEST
416 select MFD_SYSCON if ARCH_EXYNOS
418 Watchdog timer block in the Samsung SoCs. This will reboot
419 the system when the timer expires with the watchdog enabled.
421 The driver is limited by the speed of the system's PCLK
422 signal, so with reasonably fast systems (PCLK around 50-66MHz)
423 then watchdog intervals of over approximately 20seconds are
426 The driver can be built as a module by choosing M, and will
427 be called s3c2410_wdt
429 config SA1100_WATCHDOG
430 tristate "SA1100/PXA2xx watchdog"
431 depends on ARCH_SA1100 || ARCH_PXA
433 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
434 reboot your system when timeout is reached.
436 NOTE: once enabled, this timer cannot be disabled.
438 To compile this driver as a module, choose M here: the
439 module will be called sa1100_wdt.
442 tristate "Synopsys DesignWare watchdog"
446 Say Y here if to include support for the Synopsys DesignWare
447 watchdog timer found in many chips.
448 To compile this driver as a module, choose M here: the
449 module will be called dw_wdt.
451 config EP93XX_WATCHDOG
452 tristate "EP93xx Watchdog"
453 depends on ARCH_EP93XX || COMPILE_TEST
456 Say Y here if to include support for the watchdog timer
457 embedded in the Cirrus Logic EP93xx family of devices.
459 To compile this driver as a module, choose M here: the
460 module will be called ep93xx_wdt.
463 tristate "OMAP Watchdog"
464 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || COMPILE_TEST
467 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
468 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
470 config PNX4008_WATCHDOG
471 tristate "LPC32XX Watchdog"
472 depends on ARCH_LPC32XX
475 Say Y here if to include support for the watchdog timer
476 in the LPC32XX processor.
477 This driver can be built as a module by choosing M. The module
478 will be called pnx4008_wdt.
480 Say N if you are unsure.
483 tristate "IOP Watchdog"
484 depends on ARCH_IOP13XX
485 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
487 Say Y here if to include support for the watchdog timer
488 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
489 be built as a module by choosing M. The module will
492 Note: The IOP13XX watchdog does an Internal Bus Reset which will
493 affect both cores and the peripherals of the IOP. The ATU-X
494 and/or ATUe configuration registers will remain intact, but if
495 operating as an Root Complex and/or Central Resource, the PCI-X
496 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
498 config DAVINCI_WATCHDOG
499 tristate "DaVinci watchdog"
500 depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
503 Say Y here if to include support for the watchdog timer
504 in the DaVinci DM644x/DM646x or Keystone processors.
505 To compile this driver as a module, choose M here: the
506 module will be called davinci_wdt.
508 NOTE: once enabled, this timer cannot be disabled.
509 Say N if you are unsure.
511 config ORION_WATCHDOG
512 tristate "Orion watchdog"
513 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || (COMPILE_TEST && !ARCH_EBSA110)
517 Say Y here if to include support for the watchdog timer
518 in the Marvell Orion5x and Kirkwood ARM SoCs.
519 To compile this driver as a module, choose M here: the
520 module will be called orion_wdt.
522 config RN5T618_WATCHDOG
523 tristate "Ricoh RN5T618 watchdog"
524 depends on MFD_RN5T618 || COMPILE_TEST
527 If you say yes here you get support for watchdog on the Ricoh
530 This driver can also be built as a module. If so, the module
531 will be called rn5t618_wdt.
533 config SUNXI_WATCHDOG
534 tristate "Allwinner SoCs watchdog support"
535 depends on ARCH_SUNXI || COMPILE_TEST
538 Say Y here to include support for the watchdog timer
540 To compile this driver as a module, choose M here: the
541 module will be called sunxi_wdt.
543 config COH901327_WATCHDOG
544 bool "ST-Ericsson COH 901 327 watchdog"
545 depends on ARCH_U300 || (ARM && COMPILE_TEST)
546 default y if MACH_U300
549 Say Y here to include Watchdog timer support for the
550 watchdog embedded into the ST-Ericsson U300 series platforms.
551 This watchdog is used to reset the system and thus cannot be
552 compiled as a module.
554 config NPCM7XX_WATCHDOG
555 bool "Nuvoton NPCM750 watchdog"
556 depends on ARCH_NPCM || COMPILE_TEST
557 default y if ARCH_NPCM7XX
560 Say Y here to include Watchdog timer support for the
561 watchdog embedded into the NPCM7xx.
562 This watchdog is used to reset the system and thus cannot be
563 compiled as a module.
565 config TWL4030_WATCHDOG
566 tristate "TWL4030 Watchdog"
567 depends on TWL4030_CORE
570 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
571 watchdog timer support for TWL4030 chips.
573 config STMP3XXX_RTC_WATCHDOG
574 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
575 depends on RTC_DRV_STMP || COMPILE_TEST
578 Say Y here to include support for the watchdog timer inside
579 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
580 To compile this driver as a module, choose M here: the
581 module will be called stmp3xxx_rtc_wdt.
583 config NUC900_WATCHDOG
584 tristate "Nuvoton NUC900 watchdog"
585 depends on ARCH_W90X900 || COMPILE_TEST
587 Say Y here if to include support for the watchdog timer
588 for the Nuvoton NUC900 series SoCs.
589 To compile this driver as a module, choose M here: the
590 module will be called nuc900_wdt.
592 config TS4800_WATCHDOG
593 tristate "TS-4800 Watchdog"
594 depends on HAS_IOMEM && OF
595 depends on SOC_IMX51 || COMPILE_TEST
599 Technologic Systems TS-4800 has watchdog timer implemented in
600 an external FPGA. Say Y here if you want to support for the
601 watchdog timer on TS-4800 board.
603 config TS72XX_WATCHDOG
604 tristate "TS-72XX SBC Watchdog"
605 depends on MACH_TS72XX || COMPILE_TEST
607 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
608 watchdog timer implemented in a external CPLD chip. Say Y here
609 if you want to support for the watchdog timer on TS-72XX boards.
611 To compile this driver as a module, choose M here: the
612 module will be called ts72xx_wdt.
614 config MAX63XX_WATCHDOG
615 tristate "Max63xx watchdog"
619 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
621 config MAX77620_WATCHDOG
622 tristate "Maxim Max77620 Watchdog Timer"
623 depends on MFD_MAX77620 || COMPILE_TEST
625 This is the driver for the Max77620 watchdog timer.
626 Say 'Y' here to enable the watchdog timer support for
627 MAX77620 chips. To compile this driver as a module,
628 choose M here: the module will be called max77620_wdt.
631 tristate "IMX2+ Watchdog"
632 depends on ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
636 This is the driver for the hardware watchdog
637 on the Freescale IMX2 and later processors.
638 If you have one of these processors and wish to have
639 watchdog support enabled, say Y, otherwise say N.
641 To compile this driver as a module, choose M here: the
642 module will be called imx2_wdt.
644 config UX500_WATCHDOG
645 tristate "ST-Ericsson Ux500 watchdog"
646 depends on MFD_DB8500_PRCMU
650 Say Y here to include Watchdog timer support for the watchdog
651 existing in the prcmu of ST-Ericsson Ux500 series platforms.
653 To compile this driver as a module, choose M here: the
654 module will be called ux500_wdt.
657 tristate "Retu watchdog"
661 Retu watchdog driver for Nokia Internet Tablets (770, N800,
662 N810). At least on N800 the watchdog cannot be disabled, so
663 this driver is essential and you should enable it.
665 To compile this driver as a module, choose M here: the
666 module will be called retu_wdt.
669 tristate "MOXART watchdog"
670 depends on ARCH_MOXART || COMPILE_TEST
672 Say Y here to include Watchdog timer support for the watchdog
673 existing on the MOXA ART SoC series platforms.
675 To compile this driver as a module, choose M here: the
676 module will be called moxart_wdt.
678 config SIRFSOC_WATCHDOG
679 tristate "SiRFSOC watchdog"
680 depends on ARCH_SIRF || COMPILE_TEST
684 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
685 the watchdog triggers the system will be reset.
687 config ST_LPC_WATCHDOG
688 tristate "STMicroelectronics LPC Watchdog"
689 depends on ARCH_STI || COMPILE_TEST
693 Say Y here to include STMicroelectronics Low Power Controller
694 (LPC) based Watchdog timer support.
696 To compile this driver as a module, choose M here: the
697 module will be called st_lpc_wdt.
699 config TEGRA_WATCHDOG
700 tristate "Tegra watchdog"
701 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
704 Say Y here to include support for the watchdog timer
705 embedded in NVIDIA Tegra SoCs.
707 To compile this driver as a module, choose M here: the
708 module will be called tegra_wdt.
711 tristate "QCOM watchdog"
713 depends on ARCH_QCOM || COMPILE_TEST
716 Say Y here to include Watchdog timer support for the watchdog found
717 on QCOM chipsets. Currently supported targets are the MSM8960,
718 APQ8064, and IPQ8064.
720 To compile this driver as a module, choose M here: the
721 module will be called qcom_wdt.
723 config MESON_GXBB_WATCHDOG
724 tristate "Amlogic Meson GXBB SoCs watchdog support"
725 depends on ARCH_MESON || COMPILE_TEST
728 Say Y here to include support for the watchdog timer
729 in Amlogic Meson GXBB SoCs.
730 To compile this driver as a module, choose M here: the
731 module will be called meson_gxbb_wdt.
733 config MESON_WATCHDOG
734 tristate "Amlogic Meson SoCs watchdog support"
735 depends on ARCH_MESON || COMPILE_TEST
738 Say Y here to include support for the watchdog timer
739 in Amlogic Meson SoCs.
740 To compile this driver as a module, choose M here: the
741 module will be called meson_wdt.
743 config MEDIATEK_WATCHDOG
744 tristate "Mediatek SoCs watchdog support"
745 depends on ARCH_MEDIATEK || COMPILE_TEST
748 Say Y here to include support for the watchdog timer
750 To compile this driver as a module, choose M here: the
751 module will be called mtk_wdt.
753 config DIGICOLOR_WATCHDOG
754 tristate "Conexant Digicolor SoCs watchdog support"
755 depends on ARCH_DIGICOLOR || COMPILE_TEST
758 Say Y here to include support for the watchdog timer
759 in Conexant Digicolor SoCs.
760 To compile this driver as a module, choose M here: the
761 module will be called digicolor_wdt.
763 config LPC18XX_WATCHDOG
764 tristate "LPC18xx/43xx Watchdog"
765 depends on ARCH_LPC18XX || COMPILE_TEST
769 Say Y here if to include support for the watchdog timer
770 in NXP LPC SoCs family, which includes LPC18xx/LPC43xx
772 To compile this driver as a module, choose M here: the
773 module will be called lpc18xx_wdt.
775 config ATLAS7_WATCHDOG
776 tristate "CSRatlas7 watchdog"
777 depends on ARCH_ATLAS7 || COMPILE_TEST
779 Say Y here to include Watchdog timer support for the watchdog
780 existing on the CSRatlas7 series platforms.
782 To compile this driver as a module, choose M here: the
783 module will be called atlas7_wdt.
786 tristate "Renesas WDT Watchdog"
787 depends on ARCH_RENESAS || COMPILE_TEST
790 This driver adds watchdog support for the integrated watchdogs in the
791 Renesas R-Car and other SH-Mobile SoCs (usually named RWDT or SWDT).
793 config RENESAS_RZAWDT
794 tristate "Renesas RZ/A WDT Watchdog"
795 depends on ARCH_RENESAS || COMPILE_TEST
798 This driver adds watchdog support for the integrated watchdogs in the
799 Renesas RZ/A SoCs. These watchdogs can be used to reset a system.
801 config ASPEED_WATCHDOG
802 tristate "Aspeed BMC watchdog support"
803 depends on ARCH_ASPEED || COMPILE_TEST
806 Say Y here to include support for the watchdog timer
809 This driver is required to reboot the SoC.
811 To compile this driver as a module, choose M here: the
812 module will be called aspeed_wdt.
814 config ZX2967_WATCHDOG
815 tristate "ZTE zx2967 SoCs watchdog support"
819 Say Y here to include support for the watchdog timer
821 To compile this driver as a module, choose M here: the
822 module will be called zx2967_wdt.
824 config STM32_WATCHDOG
825 tristate "STM32 Independent WatchDoG (IWDG) support"
826 depends on ARCH_STM32
830 Say Y here to include support for the watchdog timer
833 To compile this driver as a module, choose M here: the
834 module will be called stm32_iwdg.
836 config STPMIC1_WATCHDOG
837 tristate "STPMIC1 PMIC watchdog support"
838 depends on MFD_STPMIC1
841 Say Y here to include watchdog support embedded into STPMIC1 PMIC.
842 If the watchdog timer expires, stpmic1 will shut down all its power
845 To compile this driver as a module, choose M here: the
846 module will be called spmic1_wdt.
848 config UNIPHIER_WATCHDOG
849 tristate "UniPhier watchdog support"
850 depends on ARCH_UNIPHIER || COMPILE_TEST
851 depends on OF && MFD_SYSCON
854 Say Y here to include support watchdog timer embedded
855 into the UniPhier system.
857 To compile this driver as a module, choose M here: the
858 module will be called uniphier_wdt.
860 config RTD119X_WATCHDOG
861 bool "Realtek RTD119x/RTD129x watchdog support"
862 depends on ARCH_REALTEK || COMPILE_TEST
867 Say Y here to include support for the watchdog timer in
868 Realtek RTD1295 SoCs.
871 tristate "Spreadtrum watchdog support"
872 depends on ARCH_SPRD || COMPILE_TEST
875 Say Y here to include watchdog timer supported
876 by Spreadtrum system.
878 config PM8916_WATCHDOG
879 tristate "QCOM PM8916 pmic watchdog"
880 depends on OF && MFD_SPMI_PMIC
883 Say Y here to include support watchdog timer embedded into the
886 # X86 (i386 + ia64 + x86_64) Architecture
889 tristate "Acquire SBC Watchdog Timer"
892 This is the driver for the hardware watchdog on Single Board
893 Computers produced by Acquire Inc (and others). This watchdog
894 simply watches your kernel to make sure it doesn't freeze, and if
895 it does, it reboots your computer after a certain amount of time.
897 To compile this driver as a module, choose M here: the
898 module will be called acquirewdt.
900 Most people will say N.
903 tristate "Advantech SBC Watchdog Timer"
906 If you are configuring a Linux kernel for the Advantech single-board
907 computer, say `Y' here to support its built-in watchdog timer
908 feature. More information can be found at
909 <http://www.advantech.com.tw/products/>
912 tristate "ALi M1535 PMU Watchdog Timer"
913 depends on X86 && PCI
915 This is the driver for the hardware watchdog on the ALi M1535 PMU.
917 To compile this driver as a module, choose M here: the
918 module will be called alim1535_wdt.
920 Most people will say N.
923 tristate "ALi M7101 PMU Computer Watchdog"
926 This is the driver for the hardware watchdog on the ALi M7101 PMU
927 as used in the x86 Cobalt servers and also found in some
928 SPARC Netra servers too.
930 To compile this driver as a module, choose M here: the
931 module will be called alim7101_wdt.
933 Most people will say N.
936 tristate "WinSystems EBC-C384 Watchdog Timer"
941 Enables watchdog timer support for the watchdog timer on the
942 WinSystems EBC-C384 motherboard. The timeout may be configured via
943 the timeout module parameter.
946 tristate "Fintek F718xx, F818xx Super I/O Watchdog"
949 This is the driver for the hardware watchdog on the Fintek F71808E,
950 F71862FG, F71868, F71869, F71882FG, F71889FG, F81865 and F81866
951 Super I/O controllers.
953 You can compile this driver directly into the kernel, or use
954 it as a module. The module will be called f71808e_wdt.
957 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
958 depends on X86 && PCI
961 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
962 (Total Cost of Ownership) timer is a watchdog timer that will reboot
963 the machine after its expiration. The expiration time can be
964 configured with the "heartbeat" parameter.
966 To compile this driver as a module, choose M here: the
967 module will be called sp5100_tco.
970 tristate "AMD Geode CS5535/CS5536 Watchdog"
971 depends on CS5535_MFGPT
973 This driver enables a watchdog capability built into the
974 CS5535/CS5536 companion chips for the AMD Geode GX and LX
975 processors. This watchdog watches your kernel to make sure
976 it doesn't freeze, and if it does, it reboots your computer after
977 a certain amount of time.
979 You can compile this driver directly into the kernel, or use
980 it as a module. The module will be called geodewdt.
983 tristate "AMD Elan SC520 processor Watchdog"
984 depends on MELAN || COMPILE_TEST
986 This is the driver for the hardware watchdog built in to the
987 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
988 This watchdog simply watches your kernel to make sure it doesn't
989 freeze, and if it does, it reboots your computer after a certain
992 You can compile this driver directly into the kernel, or use
993 it as a module. The module will be called sc520_wdt.
995 config SBC_FITPC2_WATCHDOG
996 tristate "Compulab SBC-FITPC2 watchdog"
999 This is the driver for the built-in watchdog timer on the fit-PC2,
1000 fit-PC2i, CM-iAM single-board computers made by Compulab.
1002 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
1003 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
1005 Entering BIOS setup temporary disables watchdog operation regardless to current state,
1006 so system will not be restarted while user in BIOS setup.
1008 Once watchdog was enabled the system will be restarted every
1009 "Watchdog Timer Value" period, so to prevent it user can restart or
1010 disable the watchdog.
1012 To compile this driver as a module, choose M here: the
1013 module will be called sbc_fitpc2_wdt.
1015 Most people will say N.
1018 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
1021 Enable support for the watchdog timer on the Eurotech CPU-1220 and
1022 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
1023 information are at <http://www.eurotech.it/>.
1026 tristate "IB700 SBC Watchdog Timer"
1029 This is the driver for the hardware watchdog on the IB700 Single
1030 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
1031 simply watches your kernel to make sure it doesn't freeze, and if
1032 it does, it reboots your computer after a certain amount of time.
1034 This driver is like the WDT501 driver but for slightly different hardware.
1036 To compile this driver as a module, choose M here: the
1037 module will be called ib700wdt.
1039 Most people will say N.
1042 tristate "IBM Automatic Server Restart"
1045 This is the driver for the IBM Automatic Server Restart watchdog
1046 timer built-in into some eServer xSeries machines.
1048 To compile this driver as a module, choose M here: the
1049 module will be called ibmasr.
1052 tristate "ICP Single Board Computer Watchdog Timer"
1055 This is a driver for the hardware watchdog on the ICP Single
1056 Board Computer. This driver is working on (at least) the following
1057 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
1059 To compile this driver as a module, choose M here: the
1060 module will be called wafer5823wdt.
1063 tristate "Intel 6300ESB Timer/Watchdog"
1065 select WATCHDOG_CORE
1067 Hardware driver for the watchdog timer built into the Intel
1068 6300ESB controller hub.
1070 To compile this driver as a module, choose M here: the
1071 module will be called i6300esb.
1074 tristate "Intel Atom E6xx Watchdog"
1075 depends on X86 && PCI
1076 select WATCHDOG_CORE
1080 Hardware driver for the watchdog timer built into the Intel
1081 Atom E6XX (TunnelCreek) processor.
1083 To compile this driver as a module, choose M here: the
1084 module will be called ie6xx_wdt.
1086 config INTEL_SCU_WATCHDOG
1087 bool "Intel SCU Watchdog for Mobile Platforms"
1088 depends on X86_INTEL_MID
1090 Hardware driver for the watchdog time built into the Intel SCU
1091 for Intel Mobile Platforms.
1093 To compile this driver as a module, choose M here.
1095 config INTEL_MID_WATCHDOG
1096 tristate "Intel MID Watchdog Timer"
1097 depends on X86_INTEL_MID
1098 select WATCHDOG_CORE
1100 Watchdog timer driver built into the Intel SCU for Intel MID
1103 This driver currently supports only the watchdog evolution
1104 implementation in SCU, available for Merrifield generation.
1106 To compile this driver as a module, choose M here.
1109 tristate "Intel TCO Timer/Watchdog"
1110 depends on (X86 || IA64) && PCI
1111 select WATCHDOG_CORE
1112 depends on I2C || I2C=n
1113 select LPC_ICH if !EXPERT
1114 select I2C_I801 if !EXPERT && I2C
1116 Hardware driver for the intel TCO timer based watchdog devices.
1117 These drivers are included in the Intel 82801 I/O Controller
1118 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
1121 The TCO (Total Cost of Ownership) timer is a watchdog timer
1122 that will reboot the machine after its second expiration. The
1123 expiration time can be configured with the "heartbeat" parameter.
1125 On some motherboards the driver may fail to reset the chipset's
1126 NO_REBOOT flag which prevents the watchdog from rebooting the
1127 machine. If this is the case you will get a kernel message like
1128 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1130 To compile this driver as a module, choose M here: the
1131 module will be called iTCO_wdt.
1133 config ITCO_VENDOR_SUPPORT
1134 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
1137 Add vendor specific support to the intel TCO timer based watchdog
1138 devices. At this moment we only have additional support for some
1139 SuperMicro Inc. motherboards.
1142 tristate "IT8712F (Smart Guardian) Watchdog Timer"
1145 This is the driver for the built-in watchdog timer on the IT8712F
1146 Super I/0 chipset used on many motherboards.
1148 If the driver does not work, then make sure that the game port in
1149 the BIOS is enabled.
1151 To compile this driver as a module, choose M here: the
1152 module will be called it8712f_wdt.
1155 tristate "IT87 Watchdog Timer"
1157 select WATCHDOG_CORE
1159 This is the driver for the hardware watchdog on the ITE IT8607,
1160 IT8620, IT8622, IT8625, IT8628, IT8655, IT8665, IT8686, IT8702,
1161 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726, IT8728, and
1162 IT8783 Super I/O chips.
1164 This watchdog simply watches your kernel to make sure it doesn't
1165 freeze, and if it does, it reboots your computer after a certain
1168 To compile this driver as a module, choose M here: the module will
1172 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
1173 select WATCHDOG_CORE
1174 depends on X86 && PCI
1176 A software monitoring watchdog and NMI handling driver. This driver
1177 will detect lockups and provide a stack trace. This is a driver that
1178 will only load on an HP ProLiant system with a minimum of iLO2 support.
1179 To compile this driver as a module, choose M here: the module will be
1183 tristate "Kontron COM Watchdog Timer"
1184 depends on MFD_KEMPLD
1185 select WATCHDOG_CORE
1187 Support for the PLD watchdog on some Kontron ETX and COMexpress
1188 (ETXexpress) modules
1190 This driver can also be built as a module. If so, the module will be
1193 config HPWDT_NMI_DECODING
1194 bool "NMI support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
1195 depends on HP_WATCHDOG
1198 Enables the NMI handler for the watchdog pretimeout NMI and the iLO
1199 "Generate NMI to System" virtual button. When an NMI is claimed
1200 by the driver, panic is called.
1203 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
1206 This is a driver for National Semiconductor PC87307/PC97307 hardware
1207 watchdog cards as found on the SC1200. This watchdog is mainly used
1208 for power management purposes and can be used to power down the device
1209 during inactivity periods (includes interrupt activity monitoring).
1211 To compile this driver as a module, choose M here: the
1212 module will be called sc1200wdt.
1214 Most people will say N.
1217 tristate "National Semiconductor SCx200 Watchdog"
1218 depends on SCx200 && PCI
1220 Enable the built-in watchdog timer support on the National
1221 Semiconductor SCx200 processors.
1223 If compiled as a module, it will be called scx200_wdt.
1226 tristate "NS PC87413 watchdog"
1229 This is the driver for the hardware watchdog on the PC87413 chipset
1230 This watchdog simply watches your kernel to make sure it doesn't
1231 freeze, and if it does, it reboots your computer after a certain
1234 To compile this driver as a module, choose M here: the
1235 module will be called pc87413_wdt.
1237 Most people will say N.
1240 tristate "nVidia TCO Timer/Watchdog"
1241 depends on X86 && PCI
1243 Hardware driver for the TCO timer built into the nVidia Hub family
1244 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
1245 watchdog timer that will reboot the machine after its second
1246 expiration. The expiration time can be configured with the
1247 "heartbeat" parameter.
1249 On some motherboards the driver may fail to reset the chipset's
1250 NO_REBOOT flag which prevents the watchdog from rebooting the
1251 machine. If this is the case you will get a kernel message like
1252 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
1254 To compile this driver as a module, choose M here: the
1255 module will be called nv_tco.
1258 tristate "RDC R-321x SoC watchdog"
1259 depends on X86_RDC321X || COMPILE_TEST
1262 This is the driver for the built in hardware watchdog
1263 in the RDC R-321x SoC.
1265 To compile this driver as a module, choose M here: the
1266 module will be called rdc321x_wdt.
1269 tristate "SBC-60XX Watchdog Timer"
1272 This driver can be used with the watchdog timer found on some
1273 single board computers, namely the 6010 PII based computer.
1274 It may well work with other cards. It reads port 0x443 to enable
1275 and re-set the watchdog timer, and reads port 0x45 to disable
1276 the watchdog. If you have a card that behave in similar ways,
1277 you can probably make this driver work with your card as well.
1279 You can compile this driver directly into the kernel, or use
1280 it as a module. The module will be called sbc60xxwdt.
1283 tristate "SBC8360 Watchdog Timer"
1287 This is the driver for the hardware watchdog on the SBC8360 Single
1288 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
1290 To compile this driver as a module, choose M here: the
1291 module will be called sbc8360.
1293 Most people will say N.
1296 tristate "SBC Nano 7240 Watchdog Timer"
1297 depends on X86_32 && !UML
1299 This is the driver for the hardware watchdog found on the IEI
1300 single board computers EPIC Nano 7240 (and likely others). This
1301 watchdog simply watches your kernel to make sure it doesn't freeze,
1302 and if it does, it reboots your computer after a certain amount of
1305 To compile this driver as a module, choose M here: the
1306 module will be called sbc7240_wdt.
1309 tristate "SMA CPU5 Watchdog"
1313 To compile this driver as a module, choose M here: the
1314 module will be called cpu5wdt.
1316 config SMSC_SCH311X_WDT
1317 tristate "SMSC SCH311X Watchdog Timer"
1320 This is the driver for the hardware watchdog timer on the
1321 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
1322 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
1325 To compile this driver as a module, choose M here: the
1326 module will be called sch311x_wdt.
1328 config SMSC37B787_WDT
1329 tristate "Winbond SMsC37B787 Watchdog Timer"
1332 This is the driver for the hardware watchdog component on the
1333 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
1334 from Vision Systems and maybe others.
1336 This watchdog simply watches your kernel to make sure it doesn't
1337 freeze, and if it does, it reboots your computer after a certain
1340 Usually a userspace daemon will notify the kernel WDT driver that
1341 userspace is still alive, at regular intervals.
1343 To compile this driver as a module, choose M here: the
1344 module will be called smsc37b787_wdt.
1346 Most people will say N.
1349 tristate "TQ-Systems TQMX86 Watchdog Timer"
1352 This is the driver for the hardware watchdog timer in the TQMX86 IO
1353 controller found on some of their ComExpress Modules.
1355 To compile this driver as a module, choose M here; the module
1356 will be called tqmx86_wdt.
1358 Most people will say N.
1361 tristate "VIA Watchdog Timer"
1362 depends on X86 && PCI
1363 select WATCHDOG_CORE
1365 This is the driver for the hardware watchdog timer on VIA
1366 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
1368 To compile this driver as a module, choose M here; the module
1369 will be called via_wdt.
1371 Most people will say N.
1374 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1376 select WATCHDOG_CORE
1378 This is the driver for the hardware watchdog on the following
1380 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1393 This watchdog simply watches your kernel to make sure it doesn't
1394 freeze, and if it does, it reboots your computer after a certain
1397 To compile this driver as a module, choose M here: the
1398 module will be called w83627hf_wdt.
1400 Most people will say N.
1403 tristate "W83877F (EMACS) Watchdog Timer"
1406 This is the driver for the hardware watchdog on the W83877F chipset
1407 as used in EMACS PC-104 motherboards (and likely others). This
1408 watchdog simply watches your kernel to make sure it doesn't freeze,
1409 and if it does, it reboots your computer after a certain amount of
1412 To compile this driver as a module, choose M here: the
1413 module will be called w83877f_wdt.
1415 Most people will say N.
1418 tristate "W83977F (PCM-5335) Watchdog Timer"
1421 This is the driver for the hardware watchdog on the W83977F I/O chip
1422 as used in AAEON's PCM-5335 SBC (and likely others). This
1423 watchdog simply watches your kernel to make sure it doesn't freeze,
1424 and if it does, it reboots your computer after a certain amount of
1427 To compile this driver as a module, choose M here: the
1428 module will be called w83977f_wdt.
1431 tristate "ZF MachZ Watchdog"
1434 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1435 N. This is the driver for the watchdog timer built-in on that
1436 processor using ZF-Logic interface. This watchdog simply watches
1437 your kernel to make sure it doesn't freeze, and if it does, it
1438 reboots your computer after a certain amount of time.
1440 To compile this driver as a module, choose M here: the
1441 module will be called machzwd.
1443 config SBC_EPX_C3_WATCHDOG
1444 tristate "Winsystems SBC EPX-C3 watchdog"
1447 This is the driver for the built-in watchdog timer on the EPX-C3
1448 Single-board computer made by Winsystems, Inc.
1450 *Note*: This hardware watchdog is not probeable and thus there
1451 is no way to know if writing to its IO address will corrupt
1452 your system or have any real effect. The only way to be sure
1453 that this driver does what you want is to make sure you
1454 are running it on an EPX-C3 from Winsystems with the watchdog
1455 timer at IO address 0x1ee and 0x1ef. It will write to both those
1456 IO ports. Basically, the assumption is made that if you compile
1457 this driver into your kernel and/or load it as a module, that you
1458 know what you are doing and that you are in fact running on an
1461 To compile this driver as a module, choose M here: the
1462 module will be called sbc_epx_c3.
1464 config INTEL_MEI_WDT
1465 tristate "Intel MEI iAMT Watchdog"
1466 depends on INTEL_MEI && X86
1467 select WATCHDOG_CORE
1469 A device driver for the Intel MEI iAMT watchdog.
1471 The Intel AMT Watchdog is an OS Health (Hang/Crash) watchdog.
1472 Whenever the OS hangs or crashes, iAMT will send an event
1473 to any subscriber to this event. The watchdog doesn't reset the
1476 To compile this driver as a module, choose M here:
1477 the module will be called mei_wdt.
1480 tristate "NI 903x/913x Watchdog"
1481 depends on X86 && ACPI
1482 select WATCHDOG_CORE
1484 This is the driver for the watchdog timer on the National Instruments
1485 903x/913x real-time controllers.
1487 To compile this driver as a module, choose M here: the module will be
1491 tristate "NIC7018 Watchdog"
1492 depends on X86 && ACPI
1493 select WATCHDOG_CORE
1495 Support for National Instruments NIC7018 Watchdog.
1497 To compile this driver as a module, choose M here: the module will be
1502 config M54xx_WATCHDOG
1503 tristate "MCF54xx watchdog support"
1506 To compile this driver as a module, choose M here: the
1507 module will be called m54xx_wdt.
1509 # MicroBlaze Architecture
1514 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1515 depends on ATH79 || (ARM && COMPILE_TEST)
1517 Hardware driver for the built-in watchdog timer on the Atheros
1518 AR71XX/AR724X/AR913X SoCs.
1521 tristate "Broadcom BCM47xx Watchdog Timer"
1522 depends on BCM47XX || ARCH_BCM_5301X || COMPILE_TEST
1523 select WATCHDOG_CORE
1525 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1528 tristate "IDT RC32434 SoC Watchdog Timer"
1529 depends on MIKROTIK_RB532
1531 Hardware driver for the IDT RC32434 SoC built-in
1534 To compile this driver as a module, choose M here: the
1535 module will be called rc32434_wdt.
1538 tristate "Indy/I2 Hardware Watchdog"
1539 depends on SGI_HAS_INDYDOG
1541 Hardware driver for the Indy's/I2's watchdog. This is a
1542 watchdog timer that will reboot the machine after a 60 second
1543 timer expired and no process has written to /dev/watchdog during
1547 tristate "Ingenic jz4740 SoC hardware watchdog"
1548 depends on MACH_JZ4740 || MACH_JZ4780
1549 select WATCHDOG_CORE
1551 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1554 tristate "MTX-1 Hardware Watchdog"
1555 depends on MIPS_MTX1 || (MIPS && COMPILE_TEST)
1557 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1558 will reboot the machine after a 100 seconds timer expired.
1561 tristate "PNX833x Hardware Watchdog"
1562 depends on SOC_PNX8335
1565 Hardware driver for the PNX833x's watchdog. This is a
1566 watchdog timer that will reboot the machine after a programmable
1567 timer has expired and no process has written to /dev/watchdog during
1571 tristate "Sibyte SoC hardware watchdog"
1572 depends on CPU_SB1 || (MIPS && COMPILE_TEST)
1574 Watchdog driver for the built in watchdog hardware in Sibyte
1575 SoC processors. There are apparently two watchdog timers
1576 on such processors; this driver supports only the first one,
1577 because currently Linux only supports exporting one watchdog
1580 To compile this driver as a loadable module, choose M here.
1581 The module will be called sb_wdog.
1584 tristate "TI AR7 Watchdog Timer"
1585 depends on AR7 || (MIPS && COMPILE_TEST)
1587 Hardware driver for the TI AR7 Watchdog Timer.
1590 tristate "Toshiba TXx9 Watchdog Timer"
1591 depends on CPU_TX39XX || CPU_TX49XX || (MIPS && COMPILE_TEST)
1592 select WATCHDOG_CORE
1594 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1597 tristate "Cavium OCTEON SOC family Watchdog Timer"
1598 depends on CAVIUM_OCTEON_SOC
1600 select WATCHDOG_CORE
1601 select EXPORT_UASM if OCTEON_WDT = m
1603 Hardware driver for OCTEON's on chip watchdog timer.
1604 Enables the watchdog for all cores running Linux. It
1605 installs a NMI handler and pokes the watchdog based on an
1606 interrupt. On first expiration of the watchdog, the
1607 interrupt handler pokes it. The second expiration causes an
1608 NMI that prints a message. The third expiration causes a
1611 When userspace has /dev/watchdog open, no poking is done
1612 from the first interrupt, it is then only poked when the
1616 tristate "Broadcom BCM63xx hardware watchdog"
1619 Watchdog driver for the built in watchdog hardware in Broadcom
1622 To compile this driver as a loadable module, choose M here.
1623 The module will be called bcm63xx_wdt.
1626 tristate "Broadcom BCM2835 hardware watchdog"
1627 depends on ARCH_BCM2835 || (OF && COMPILE_TEST)
1628 select WATCHDOG_CORE
1630 Watchdog driver for the built in watchdog hardware in Broadcom
1633 To compile this driver as a loadable module, choose M here.
1634 The module will be called bcm2835_wdt.
1637 tristate "BCM Kona Watchdog"
1638 depends on ARCH_BCM_MOBILE || COMPILE_TEST
1639 select WATCHDOG_CORE
1641 Support for the watchdog timer on the following Broadcom BCM281xx
1642 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1645 Say 'Y' or 'M' here to enable the driver. The module will be called
1648 config BCM_KONA_WDT_DEBUG
1649 bool "DEBUGFS support for BCM Kona Watchdog"
1650 depends on BCM_KONA_WDT || COMPILE_TEST
1652 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1653 access to the driver's internal data structures as well as watchdog
1654 timer hardware registres.
1656 If in doubt, say 'N'.
1659 tristate "BCM7038 Watchdog"
1660 select WATCHDOG_CORE
1661 depends on HAS_IOMEM
1662 depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST
1664 Watchdog driver for the built-in hardware in Broadcom 7038 and
1665 later SoCs used in set-top boxes. BCM7038 was made public
1666 during the 2004 CES, and since then, many Broadcom chips use this
1667 watchdog block, including some cable modem chips.
1670 tristate "Imagination Technologies PDC Watchdog Timer"
1671 depends on HAS_IOMEM
1672 depends on MIPS || COMPILE_TEST
1673 select WATCHDOG_CORE
1675 Driver for Imagination Technologies PowerDown Controller
1678 To compile this driver as a loadable module, choose M here.
1679 The module will be called imgpdc_wdt.
1682 tristate "Lantiq SoC watchdog"
1684 select WATCHDOG_CORE
1686 Hardware driver for the Lantiq SoC Watchdog Timer.
1688 config LOONGSON1_WDT
1689 tristate "Loongson1 SoC hardware watchdog"
1690 depends on MACH_LOONGSON32
1691 select WATCHDOG_CORE
1693 Hardware driver for the Loongson1 SoC Watchdog Timer.
1696 tristate "Ralink SoC watchdog"
1697 select WATCHDOG_CORE
1700 Hardware driver for the Ralink SoC Watchdog Timer.
1703 tristate "Mediatek SoC watchdog"
1704 select WATCHDOG_CORE
1705 depends on SOC_MT7620 || SOC_MT7621
1707 Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer.
1710 tristate "Microchip PIC32 hardware watchdog"
1711 select WATCHDOG_CORE
1712 depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1714 Watchdog driver for the built in watchdog hardware in a PIC32.
1716 Configuration bits must be set appropriately for the watchdog to be
1717 controlled by this driver.
1719 To compile this driver as a loadable module, choose M here.
1720 The module will be called pic32-wdt.
1723 tristate "Microchip PIC32 Deadman Timer"
1724 select WATCHDOG_CORE
1725 depends on MACH_PIC32 || (MIPS && COMPILE_TEST)
1727 Watchdog driver for PIC32 instruction fetch counting timer. This specific
1728 timer is typically be used in misson critical and safety critical
1729 applications, where any single failure of the software functionality
1730 and sequencing must be detected.
1732 To compile this driver as a loadable module, choose M here.
1733 The module will be called pic32-dmt.
1735 # PARISC Architecture
1737 # POWERPC Architecture
1740 tristate "GE Watchdog Timer"
1743 Watchdog timer found in a number of GE single board computers.
1746 bool "MPC52xx Watchdog Timer"
1747 depends on PPC_MPC52xx || COMPILE_TEST
1749 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1752 tristate "MPC8xxx Platform Watchdog Timer"
1753 depends on PPC_8xx || PPC_83xx || PPC_86xx || PPC_MPC512x
1754 select WATCHDOG_CORE
1756 This driver is for a SoC level watchdog that exists on some
1757 Freescale PowerPC processors. So far this driver supports:
1762 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1765 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1766 depends on MV64X60 || COMPILE_TEST
1769 tristate "PIKA FPGA Watchdog"
1770 depends on WARP || (PPC64 && COMPILE_TEST)
1773 This enables the watchdog in the PIKA FPGA. Currently used on
1777 tristate "PowerPC Book-E Watchdog Timer"
1778 depends on BOOKE || 4xx
1779 select WATCHDOG_CORE
1781 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1782 MPC85xx SOCs and the IBM PowerPC 440.
1784 Please see Documentation/watchdog/watchdog-api.txt for
1787 config BOOKE_WDT_DEFAULT_TIMEOUT
1788 int "PowerPC Book-E Watchdog Timer Default Timeout"
1789 depends on BOOKE_WDT
1790 default 38 if PPC_FSL_BOOK3E
1791 range 0 63 if PPC_FSL_BOOK3E
1792 default 3 if !PPC_FSL_BOOK3E
1793 range 0 3 if !PPC_FSL_BOOK3E
1795 Select the default watchdog timer period to be used by the PowerPC
1796 Book-E watchdog driver. A watchdog "event" occurs when the bit
1797 position represented by this number transitions from zero to one.
1799 For Freescale Book-E processors, this is a number between 0 and 63.
1800 For other Book-E processors, this is a number between 0 and 3.
1802 The value can be overridden by the wdt_period command-line parameter.
1805 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1806 select WATCHDOG_CORE
1807 depends on GPIOLIB || COMPILE_TEST
1809 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1811 The driver can also be built as a module. If so, the module will be
1814 If unsure select N here.
1816 # PPC64 Architecture
1818 config WATCHDOG_RTAS
1819 tristate "RTAS watchdog"
1822 This driver adds watchdog support for the RTAS watchdog.
1824 To compile this driver as a module, choose M here. The module
1825 will be called wdrtas.
1829 config DIAG288_WATCHDOG
1830 tristate "System z diag288 Watchdog"
1832 select WATCHDOG_CORE
1834 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1835 provide a virtual watchdog timer to their guest that cause a
1836 user define Control Program command to be executed after a
1838 LPAR provides a very similar interface. This driver handles
1841 To compile this driver as a module, choose M here. The module
1842 will be called diag288_wdt.
1844 # SUPERH (sh + sh64) Architecture
1847 tristate "SuperH Watchdog"
1848 depends on SUPERH && (CPU_SH3 || CPU_SH4 || COMPILE_TEST)
1849 select WATCHDOG_CORE
1851 This driver adds watchdog support for the integrated watchdog in the
1852 SuperH processors. If you have one of these processors and wish
1853 to have watchdog support enabled, say Y, otherwise say N.
1855 As a side note, saying Y here will automatically boost HZ to 1000
1856 so that the timer has a chance to clear the overflow counter. On
1857 slower systems (such as the SH-2 and SH-3) this will likely yield
1858 some performance issues. As such, the WDT should be avoided here
1859 unless it is absolutely necessary.
1861 To compile this driver as a module, choose M here: the
1862 module will be called shwdt.
1864 # SPARC Architecture
1866 # SPARC64 Architecture
1868 config WATCHDOG_CP1XXX
1869 tristate "CP1XXX Hardware Watchdog support"
1870 depends on SPARC64 && PCI
1872 This is the driver for the hardware watchdog timers present on
1873 Sun Microsystems CompactPCI models CP1400 and CP1500.
1875 To compile this driver as a module, choose M here: the
1876 module will be called cpwatchdog.
1878 If you do not have a CompactPCI model CP1400 or CP1500, or
1879 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1880 you should say N to this option.
1883 tristate "RIO Hardware Watchdog support"
1884 depends on SPARC64 && PCI
1886 Say Y here to support the hardware watchdog capability on Sun RIO
1887 machines. The watchdog timeout period is normally one minute but
1888 can be changed with a boot-time parameter.
1890 config WATCHDOG_SUN4V
1891 tristate "Sun4v Watchdog support"
1892 select WATCHDOG_CORE
1895 Say Y here to support the hypervisor watchdog capability embedded
1896 in the SPARC sun4v architecture.
1898 To compile this driver as a module, choose M here. The module will
1899 be called sun4v_wdt.
1901 # XTENSA Architecture
1906 tristate "Xen Watchdog support"
1908 select WATCHDOG_CORE
1910 Say Y here to support the hypervisor watchdog capability provided
1911 by Xen 4.0 and newer. The watchdog timeout period is normally one
1912 minute but can be changed with a boot-time parameter.
1915 tristate "UML watchdog"
1916 depends on UML || COMPILE_TEST
1919 # ISA-based Watchdog Cards
1922 comment "ISA-based Watchdog Cards"
1926 tristate "Berkshire Products ISA-PC Watchdog"
1929 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1930 This card simply watches your kernel to make sure it doesn't freeze,
1931 and if it does, it reboots your computer after a certain amount of
1932 time. This driver is like the WDT501 driver but for different
1933 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1934 watchdog cards can be ordered from <http://www.berkprod.com/>.
1936 To compile this driver as a module, choose M here: the
1937 module will be called pcwd.
1939 Most people will say N.
1942 tristate "Mixcom Watchdog"
1945 This is a driver for the Mixcom hardware watchdog cards. This
1946 watchdog simply watches your kernel to make sure it doesn't freeze,
1947 and if it does, it reboots your computer after a certain amount of
1950 To compile this driver as a module, choose M here: the
1951 module will be called mixcomwd.
1953 Most people will say N.
1956 tristate "WDT Watchdog timer"
1959 If you have a WDT500P or WDT501P watchdog board, say Y here,
1960 otherwise N. It is not possible to probe for this board, which means
1961 that you have to inform the kernel about the IO port and IRQ that
1962 is needed (you can do this via the io and irq parameters)
1964 To compile this driver as a module, choose M here: the
1965 module will be called wdt.
1968 # PCI-based Watchdog Cards
1971 comment "PCI-based Watchdog Cards"
1974 config PCIPCWATCHDOG
1975 tristate "Berkshire Products PCI-PC Watchdog"
1978 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1979 This card simply watches your kernel to make sure it doesn't freeze,
1980 and if it does, it reboots your computer after a certain amount of
1981 time. The card can also monitor the internal temperature of the PC.
1982 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1984 To compile this driver as a module, choose M here: the
1985 module will be called pcwd_pci.
1987 Most people will say N.
1990 tristate "PCI-WDT500/501 Watchdog timer"
1993 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1995 If you have a PCI-WDT501 watchdog board then you can enable the
1996 temperature sensor by setting the type parameter to 501.
1998 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1999 can do this via the tachometer parameter. Only do this if you have a
2000 fan tachometer actually set up.
2002 To compile this driver as a module, choose M here: the
2003 module will be called wdt_pci.
2006 # USB-based Watchdog Cards
2009 comment "USB-based Watchdog Cards"
2012 config USBPCWATCHDOG
2013 tristate "Berkshire Products USB-PC Watchdog"
2016 This is the driver for the Berkshire Products USB-PC Watchdog card.
2017 This card simply watches your kernel to make sure it doesn't freeze,
2018 and if it does, it reboots your computer after a certain amount of
2019 time. The card can also monitor the internal temperature of the PC.
2020 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
2022 To compile this driver as a module, choose M here: the
2023 module will be called pcwd_usb.
2025 Most people will say N.
2027 comment "Watchdog Pretimeout Governors"
2029 config WATCHDOG_PRETIMEOUT_GOV
2030 bool "Enable watchdog pretimeout governors"
2032 The option allows to select watchdog pretimeout governors.
2034 if WATCHDOG_PRETIMEOUT_GOV
2037 prompt "Default Watchdog Pretimeout Governor"
2038 default WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
2040 This option selects a default watchdog pretimeout governor.
2041 The governor takes its action, if a watchdog is capable
2042 to report a pretimeout event.
2044 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_NOOP
2046 select WATCHDOG_PRETIMEOUT_GOV_NOOP
2048 Use noop watchdog pretimeout governor by default. If noop
2049 governor is selected by a user, write a short message to
2050 the kernel log buffer and don't do any system changes.
2052 config WATCHDOG_PRETIMEOUT_DEFAULT_GOV_PANIC
2054 select WATCHDOG_PRETIMEOUT_GOV_PANIC
2056 Use panic watchdog pretimeout governor by default, if
2057 a watchdog pretimeout event happens, consider that
2058 a watchdog feeder is dead and reboot is unavoidable.
2062 config WATCHDOG_PRETIMEOUT_GOV_NOOP
2063 tristate "Noop watchdog pretimeout governor"
2065 Noop watchdog pretimeout governor, only an informational
2066 message is added to kernel log buffer.
2068 config WATCHDOG_PRETIMEOUT_GOV_PANIC
2069 tristate "Panic watchdog pretimeout governor"
2071 Panic watchdog pretimeout governor, on watchdog pretimeout
2072 event put the kernel into panic.
2074 endif # WATCHDOG_PRETIMEOUT_GOV