2 # Watchdog device configuration
6 bool "Watchdog Timer Support"
8 If you say Y here (and to one of the following options) and create a
9 character special file /dev/watchdog with major number 10 and minor
10 number 130 using mknod ("man mknod"), you will get a watchdog, i.e.:
11 subsequently opening the file and then failing to write to it for
12 longer than 1 minute will result in rebooting the machine. This
13 could be useful for a networked machine that needs to come back
14 on-line as fast as possible after a lock-up. There's both a watchdog
15 implementation entirely in software (which can sometimes fail to
16 reboot the machine) and a driver for hardware watchdog boards, which
17 are more robust and can also keep track of the temperature inside
18 your computer. For details, read
19 <file:Documentation/watchdog/watchdog-api.txt> in the kernel source.
21 The watchdog is usually used together with the watchdog daemon
22 which is available from
23 <ftp://ibiblio.org/pub/Linux/system/daemons/watchdog/>. This daemon can
24 also monitor NFS connections and can reboot the machine when the process
32 bool "WatchDog Timer Driver Core"
34 Say Y here if you want to use the new watchdog timer driver core.
35 This driver provides a framework for all watchdog timer drivers
36 and gives them the /dev/watchdog interface (and later also the
39 config WATCHDOG_NOWAYOUT
40 bool "Disable watchdog shutdown on close"
42 The default watchdog behaviour (which you get if you say N here) is
43 to stop the timer if the process managing it closes the file
44 /dev/watchdog. It's always remotely possible that this process might
45 get killed. If you say Y here, the watchdog cannot be stopped once
49 # General Watchdog drivers
52 comment "Watchdog Device Drivers"
54 # Architecture Independent
57 tristate "Software watchdog"
60 A software monitoring watchdog. This will fail to reboot your system
61 from some situations that the hardware watchdog will recover
62 from. Equally it's a lot cheaper to install.
64 To compile this driver as a module, choose M here: the
65 module will be called softdog.
67 config DA9052_WATCHDOG
68 tristate "Dialog DA9052 Watchdog"
69 depends on PMIC_DA9052
72 Support for the watchdog in the DA9052 PMIC. Watchdog trigger
75 Say Y here to include support for the DA9052 watchdog.
76 Alternatively say M to compile the driver as a module,
77 which will be called da9052_wdt.
79 config DA9055_WATCHDOG
80 tristate "Dialog Semiconductor DA9055 Watchdog"
84 If you say yes here you get support for watchdog on the Dialog
85 Semiconductor DA9055 PMIC.
87 This driver can also be built as a module. If so, the module
88 will be called da9055_wdt.
90 config DA9063_WATCHDOG
91 tristate "Dialog DA9063 Watchdog"
95 Support for the watchdog in the DA9063 PMIC.
97 This driver can be built as a module. The module name is da9063_wdt.
100 tristate "Watchdog device controlled through GPIO-line"
104 If you say yes here you get support for watchdog device
105 controlled through GPIO-line.
107 config MENF21BMC_WATCHDOG
108 tristate "MEN 14F021P00 BMC Watchdog"
109 depends on MFD_MENF21BMC
112 Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
114 This driver can also be built as a module. If so the module
115 will be called menf21bmc_wdt.
117 config WM831X_WATCHDOG
118 tristate "WM831x watchdog"
119 depends on MFD_WM831X
122 Support for the watchdog in the WM831x AudioPlus PMICs. When
123 the watchdog triggers the system will be reset.
125 config WM8350_WATCHDOG
126 tristate "WM8350 watchdog"
127 depends on MFD_WM8350
130 Support for the watchdog in the WM8350 AudioPlus PMIC. When
131 the watchdog triggers the system will be reset.
133 config XILINX_WATCHDOG
134 tristate "Xilinx Watchdog timer"
138 Watchdog driver for the xps_timebase_wdt ip core.
140 To compile this driver as a module, choose M here: the
141 module will be called of_xilinx_wdt.
147 config ARM_SP805_WATCHDOG
148 tristate "ARM SP805 Watchdog"
149 depends on (ARM || ARM64) && ARM_AMBA
152 ARM Primecell SP805 Watchdog timer. This will reboot your system when
153 the timeout is reached.
155 config AT91RM9200_WATCHDOG
156 tristate "AT91RM9200 watchdog"
157 depends on SOC_AT91RM9200 && MFD_SYSCON
159 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
160 system when the timeout is reached.
162 config AT91SAM9X_WATCHDOG
163 tristate "AT91SAM9X / AT91CAP9 watchdog"
167 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
168 reboot your system when the timeout is reached.
170 config CADENCE_WATCHDOG
171 tristate "Cadence Watchdog Timer"
174 Say Y here if you want to include support for the watchdog
175 timer in the Xilinx Zynq.
177 config 21285_WATCHDOG
178 tristate "DC21285 watchdog"
179 depends on FOOTBRIDGE
181 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
182 here if you wish to use this. Alternatively say M to compile the
183 driver as a module, which will be called wdt285.
185 This driver does not work on all machines. In particular, early CATS
186 boards have hardware problems that will cause the machine to simply
187 lock up if the watchdog fires.
189 "If in doubt, leave it out" - say N.
192 tristate "NetWinder WB83C977 watchdog"
193 depends on FOOTBRIDGE && ARCH_NETWINDER
195 Say Y here to include support for the WB977 watchdog included in
196 NetWinder machines. Alternatively say M to compile the driver as
197 a module, which will be called wdt977.
199 Not sure? It's safe to say N.
201 config IXP4XX_WATCHDOG
202 tristate "IXP4xx Watchdog"
203 depends on ARCH_IXP4XX
205 Say Y here if to include support for the watchdog timer
206 in the Intel IXP4xx network processors. This driver can
207 be built as a module by choosing M. The module will
208 be called ixp4xx_wdt.
210 Note: The internal IXP4xx watchdog does a soft CPU reset
211 which doesn't reset any peripherals. There are circumstances
212 where the watchdog will fail to reset the board correctly
213 (e.g., if the boot ROM is in an unreadable state).
215 Say N if you are unsure.
217 config KS8695_WATCHDOG
218 tristate "KS8695 watchdog"
219 depends on ARCH_KS8695
221 Watchdog timer embedded into KS8695 processor. This will reboot your
222 system when the timeout is reached.
224 config HAVE_S3C2410_WATCHDOG
227 This will include watchdog timer support for Samsung SoCs. If
228 you want to include watchdog support for any machine, kindly
229 select this in the respective mach-XXXX/Kconfig file.
231 config S3C2410_WATCHDOG
232 tristate "S3C2410 Watchdog"
233 depends on HAVE_S3C2410_WATCHDOG
235 select MFD_SYSCON if ARCH_EXYNOS5
237 Watchdog timer block in the Samsung SoCs. This will reboot
238 the system when the timer expires with the watchdog enabled.
240 The driver is limited by the speed of the system's PCLK
241 signal, so with reasonably fast systems (PCLK around 50-66MHz)
242 then watchdog intervals of over approximately 20seconds are
245 The driver can be built as a module by choosing M, and will
246 be called s3c2410_wdt
248 config SA1100_WATCHDOG
249 tristate "SA1100/PXA2xx watchdog"
250 depends on ARCH_SA1100 || ARCH_PXA
252 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
253 reboot your system when timeout is reached.
255 NOTE: once enabled, this timer cannot be disabled.
257 To compile this driver as a module, choose M here: the
258 module will be called sa1100_wdt.
261 tristate "Synopsys DesignWare watchdog"
264 Say Y here if to include support for the Synopsys DesignWare
265 watchdog timer found in many chips.
266 To compile this driver as a module, choose M here: the
267 module will be called dw_wdt.
269 config EP93XX_WATCHDOG
270 tristate "EP93xx Watchdog"
271 depends on ARCH_EP93XX
274 Say Y here if to include support for the watchdog timer
275 embedded in the Cirrus Logic EP93xx family of devices.
277 To compile this driver as a module, choose M here: the
278 module will be called ep93xx_wdt.
281 tristate "OMAP Watchdog"
282 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
285 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
286 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
288 config PNX4008_WATCHDOG
289 tristate "LPC32XX Watchdog"
290 depends on ARCH_LPC32XX
293 Say Y here if to include support for the watchdog timer
294 in the LPC32XX processor.
295 This driver can be built as a module by choosing M. The module
296 will be called pnx4008_wdt.
298 Say N if you are unsure.
301 tristate "IOP Watchdog"
302 depends on ARCH_IOP13XX
303 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
305 Say Y here if to include support for the watchdog timer
306 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
307 be built as a module by choosing M. The module will
310 Note: The IOP13XX watchdog does an Internal Bus Reset which will
311 affect both cores and the peripherals of the IOP. The ATU-X
312 and/or ATUe configuration registers will remain intact, but if
313 operating as an Root Complex and/or Central Resource, the PCI-X
314 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
316 config DAVINCI_WATCHDOG
317 tristate "DaVinci watchdog"
318 depends on ARCH_DAVINCI || ARCH_KEYSTONE
321 Say Y here if to include support for the watchdog timer
322 in the DaVinci DM644x/DM646x or Keystone processors.
323 To compile this driver as a module, choose M here: the
324 module will be called davinci_wdt.
326 NOTE: once enabled, this timer cannot be disabled.
327 Say N if you are unsure.
329 config ORION_WATCHDOG
330 tristate "Orion watchdog"
331 depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU
334 Say Y here if to include support for the watchdog timer
335 in the Marvell Orion5x and Kirkwood ARM SoCs.
336 To compile this driver as a module, choose M here: the
337 module will be called orion_wdt.
339 config RN5T618_WATCHDOG
340 tristate "Ricoh RN5T618 watchdog"
341 depends on MFD_RN5T618
344 If you say yes here you get support for watchdog on the Ricoh
347 This driver can also be built as a module. If so, the module
348 will be called rn5t618_wdt.
350 config SUNXI_WATCHDOG
351 tristate "Allwinner SoCs watchdog support"
352 depends on ARCH_SUNXI
355 Say Y here to include support for the watchdog timer
357 To compile this driver as a module, choose M here: the
358 module will be called sunxi_wdt.
360 config COH901327_WATCHDOG
361 bool "ST-Ericsson COH 901 327 watchdog"
363 default y if MACH_U300
366 Say Y here to include Watchdog timer support for the
367 watchdog embedded into the ST-Ericsson U300 series platforms.
368 This watchdog is used to reset the system and thus cannot be
369 compiled as a module.
371 config TWL4030_WATCHDOG
372 tristate "TWL4030 Watchdog"
373 depends on TWL4030_CORE
376 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
377 watchdog timer support for TWL4030 chips.
379 config STMP3XXX_RTC_WATCHDOG
380 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
381 depends on RTC_DRV_STMP
384 Say Y here to include support for the watchdog timer inside
385 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
386 To compile this driver as a module, choose M here: the
387 module will be called stmp3xxx_rtc_wdt.
389 config NUC900_WATCHDOG
390 tristate "Nuvoton NUC900 watchdog"
391 depends on ARCH_W90X900
393 Say Y here if to include support for the watchdog timer
394 for the Nuvoton NUC900 series SoCs.
395 To compile this driver as a module, choose M here: the
396 module will be called nuc900_wdt.
398 config TS72XX_WATCHDOG
399 tristate "TS-72XX SBC Watchdog"
400 depends on MACH_TS72XX
402 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
403 watchdog timer implemented in a external CPLD chip. Say Y here
404 if you want to support for the watchdog timer on TS-72XX boards.
406 To compile this driver as a module, choose M here: the
407 module will be called ts72xx_wdt.
409 config MAX63XX_WATCHDOG
410 tristate "Max63xx watchdog"
411 depends on ARM && HAS_IOMEM
414 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
417 tristate "IMX2+ Watchdog"
422 This is the driver for the hardware watchdog
423 on the Freescale IMX2 and later processors.
424 If you have one of these processors and wish to have
425 watchdog support enabled, say Y, otherwise say N.
427 To compile this driver as a module, choose M here: the
428 module will be called imx2_wdt.
430 config UX500_WATCHDOG
431 tristate "ST-Ericsson Ux500 watchdog"
432 depends on MFD_DB8500_PRCMU
436 Say Y here to include Watchdog timer support for the watchdog
437 existing in the prcmu of ST-Ericsson Ux500 series platforms.
439 To compile this driver as a module, choose M here: the
440 module will be called ux500_wdt.
443 tristate "Retu watchdog"
447 Retu watchdog driver for Nokia Internet Tablets (770, N800,
448 N810). At least on N800 the watchdog cannot be disabled, so
449 this driver is essential and you should enable it.
451 To compile this driver as a module, choose M here: the
452 module will be called retu_wdt.
455 tristate "MOXART watchdog"
456 depends on ARCH_MOXART
458 Say Y here to include Watchdog timer support for the watchdog
459 existing on the MOXA ART SoC series platforms.
461 To compile this driver as a module, choose M here: the
462 module will be called moxart_wdt.
464 config SIRFSOC_WATCHDOG
465 tristate "SiRFSOC watchdog"
470 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
471 the watchdog triggers the system will be reset.
473 config TEGRA_WATCHDOG
474 tristate "Tegra watchdog"
475 depends on (ARCH_TEGRA || COMPILE_TEST) && HAS_IOMEM
478 Say Y here to include support for the watchdog timer
479 embedded in NVIDIA Tegra SoCs.
481 To compile this driver as a module, choose M here: the
482 module will be called tegra_wdt.
485 tristate "QCOM watchdog"
490 Say Y here to include Watchdog timer support for the watchdog found
491 on QCOM chipsets. Currently supported targets are the MSM8960,
492 APQ8064, and IPQ8064.
494 To compile this driver as a module, choose M here: the
495 module will be called qcom_wdt.
497 config MESON_WATCHDOG
498 tristate "Amlogic Meson SoCs watchdog support"
499 depends on ARCH_MESON
502 Say Y here to include support for the watchdog timer
503 in Amlogic Meson SoCs.
504 To compile this driver as a module, choose M here: the
505 module will be called meson_wdt.
507 config MEDIATEK_WATCHDOG
508 tristate "Mediatek SoCs watchdog support"
509 depends on ARCH_MEDIATEK
512 Say Y here to include support for the watchdog timer
514 To compile this driver as a module, choose M here: the
515 module will be called mtk_wdt.
519 config AT32AP700X_WDT
520 tristate "AT32AP700x watchdog"
521 depends on CPU_AT32AP700X
523 Watchdog timer embedded into AT32AP700x devices. This will reboot
524 your system when the timeout is reached.
526 # BLACKFIN Architecture
529 tristate "Blackfin On-Chip Watchdog Timer"
532 If you say yes here you will get support for the Blackfin On-Chip
533 Watchdog Timer. If you have one of these processors and wish to
534 have watchdog support enabled, say Y, otherwise say N.
536 To compile this driver as a module, choose M here: the
537 module will be called bfin_wdt.
543 # X86 (i386 + ia64 + x86_64) Architecture
546 tristate "Acquire SBC Watchdog Timer"
549 This is the driver for the hardware watchdog on Single Board
550 Computers produced by Acquire Inc (and others). This watchdog
551 simply watches your kernel to make sure it doesn't freeze, and if
552 it does, it reboots your computer after a certain amount of time.
554 To compile this driver as a module, choose M here: the
555 module will be called acquirewdt.
557 Most people will say N.
560 tristate "Advantech SBC Watchdog Timer"
563 If you are configuring a Linux kernel for the Advantech single-board
564 computer, say `Y' here to support its built-in watchdog timer
565 feature. More information can be found at
566 <http://www.advantech.com.tw/products/>
569 tristate "ALi M1535 PMU Watchdog Timer"
570 depends on X86 && PCI
572 This is the driver for the hardware watchdog on the ALi M1535 PMU.
574 To compile this driver as a module, choose M here: the
575 module will be called alim1535_wdt.
577 Most people will say N.
580 tristate "ALi M7101 PMU Computer Watchdog"
583 This is the driver for the hardware watchdog on the ALi M7101 PMU
584 as used in the x86 Cobalt servers and also found in some
585 SPARC Netra servers too.
587 To compile this driver as a module, choose M here: the
588 module will be called alim7101_wdt.
590 Most people will say N.
593 tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
596 This is the driver for the hardware watchdog on the Fintek
597 F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
599 You can compile this driver directly into the kernel, or use
600 it as a module. The module will be called f71808e_wdt.
603 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
604 depends on X86 && PCI
606 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
607 (Total Cost of Ownership) timer is a watchdog timer that will reboot
608 the machine after its expiration. The expiration time can be
609 configured with the "heartbeat" parameter.
611 To compile this driver as a module, choose M here: the
612 module will be called sp5100_tco.
615 tristate "AMD Geode CS5535/CS5536 Watchdog"
616 depends on CS5535_MFGPT
618 This driver enables a watchdog capability built into the
619 CS5535/CS5536 companion chips for the AMD Geode GX and LX
620 processors. This watchdog watches your kernel to make sure
621 it doesn't freeze, and if it does, it reboots your computer after
622 a certain amount of time.
624 You can compile this driver directly into the kernel, or use
625 it as a module. The module will be called geodewdt.
628 tristate "AMD Elan SC520 processor Watchdog"
631 This is the driver for the hardware watchdog built in to the
632 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
633 This watchdog simply watches your kernel to make sure it doesn't
634 freeze, and if it does, it reboots your computer after a certain
637 You can compile this driver directly into the kernel, or use
638 it as a module. The module will be called sc520_wdt.
640 config SBC_FITPC2_WATCHDOG
641 tristate "Compulab SBC-FITPC2 watchdog"
644 This is the driver for the built-in watchdog timer on the fit-PC2,
645 fit-PC2i, CM-iAM single-board computers made by Compulab.
647 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
648 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
650 Entering BIOS setup temporary disables watchdog operation regardless to current state,
651 so system will not be restarted while user in BIOS setup.
653 Once watchdog was enabled the system will be restarted every
654 "Watchdog Timer Value" period, so to prevent it user can restart or
655 disable the watchdog.
657 To compile this driver as a module, choose M here: the
658 module will be called sbc_fitpc2_wdt.
660 Most people will say N.
663 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
666 Enable support for the watchdog timer on the Eurotech CPU-1220 and
667 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
668 information are at <http://www.eurotech.it/>.
671 tristate "IB700 SBC Watchdog Timer"
674 This is the driver for the hardware watchdog on the IB700 Single
675 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
676 simply watches your kernel to make sure it doesn't freeze, and if
677 it does, it reboots your computer after a certain amount of time.
679 This driver is like the WDT501 driver but for slightly different hardware.
681 To compile this driver as a module, choose M here: the
682 module will be called ib700wdt.
684 Most people will say N.
687 tristate "IBM Automatic Server Restart"
690 This is the driver for the IBM Automatic Server Restart watchdog
691 timer built-in into some eServer xSeries machines.
693 To compile this driver as a module, choose M here: the
694 module will be called ibmasr.
697 tristate "ICP Single Board Computer Watchdog Timer"
700 This is a driver for the hardware watchdog on the ICP Single
701 Board Computer. This driver is working on (at least) the following
702 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
704 To compile this driver as a module, choose M here: the
705 module will be called wafer5823wdt.
708 tristate "Intel 6300ESB Timer/Watchdog"
711 Hardware driver for the watchdog timer built into the Intel
712 6300ESB controller hub.
714 To compile this driver as a module, choose M here: the
715 module will be called i6300esb.
718 tristate "Intel Atom E6xx Watchdog"
719 depends on X86 && PCI
724 Hardware driver for the watchdog timer built into the Intel
725 Atom E6XX (TunnelCreek) processor.
727 To compile this driver as a module, choose M here: the
728 module will be called ie6xx_wdt.
730 config INTEL_SCU_WATCHDOG
731 bool "Intel SCU Watchdog for Mobile Platforms"
732 depends on X86_INTEL_MID
734 Hardware driver for the watchdog time built into the Intel SCU
735 for Intel Mobile Platforms.
737 To compile this driver as a module, choose M here.
739 config INTEL_MID_WATCHDOG
740 tristate "Intel MID Watchdog Timer"
741 depends on X86_INTEL_MID
744 Watchdog timer driver built into the Intel SCU for Intel MID
747 This driver currently supports only the watchdog evolution
748 implementation in SCU, available for Merrifield generation.
750 To compile this driver as a module, choose M here.
753 tristate "Intel TCO Timer/Watchdog"
754 depends on (X86 || IA64) && PCI
758 Hardware driver for the intel TCO timer based watchdog devices.
759 These drivers are included in the Intel 82801 I/O Controller
760 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
763 The TCO (Total Cost of Ownership) timer is a watchdog timer
764 that will reboot the machine after its second expiration. The
765 expiration time can be configured with the "heartbeat" parameter.
767 On some motherboards the driver may fail to reset the chipset's
768 NO_REBOOT flag which prevents the watchdog from rebooting the
769 machine. If this is the case you will get a kernel message like
770 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
772 To compile this driver as a module, choose M here: the
773 module will be called iTCO_wdt.
775 config ITCO_VENDOR_SUPPORT
776 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
779 Add vendor specific support to the intel TCO timer based watchdog
780 devices. At this moment we only have additional support for some
781 SuperMicro Inc. motherboards.
784 tristate "IT8712F (Smart Guardian) Watchdog Timer"
787 This is the driver for the built-in watchdog timer on the IT8712F
788 Super I/0 chipset used on many motherboards.
790 If the driver does not work, then make sure that the game port in
793 To compile this driver as a module, choose M here: the
794 module will be called it8712f_wdt.
797 tristate "IT87 Watchdog Timer"
800 This is the driver for the hardware watchdog on the ITE IT8702,
801 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
804 If the driver does not work, then make sure that the game port in
807 This watchdog simply watches your kernel to make sure it doesn't
808 freeze, and if it does, it reboots your computer after a certain
811 To compile this driver as a module, choose M here: the module will
815 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
816 depends on X86 && PCI
818 A software monitoring watchdog and NMI sourcing driver. This driver
819 will detect lockups and provide a stack trace. This is a driver that
820 will only load on an HP ProLiant system with a minimum of iLO2 support.
821 To compile this driver as a module, choose M here: the module will be
825 tristate "Kontron COM Watchdog Timer"
826 depends on MFD_KEMPLD
829 Support for the PLD watchdog on some Kontron ETX and COMexpress
832 This driver can also be built as a module. If so, the module will be
835 config HPWDT_NMI_DECODING
836 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
837 depends on HP_WATCHDOG
840 When an NMI occurs this feature will make the necessary BIOS calls to
841 log the cause of the NMI.
844 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
847 This is a driver for National Semiconductor PC87307/PC97307 hardware
848 watchdog cards as found on the SC1200. This watchdog is mainly used
849 for power management purposes and can be used to power down the device
850 during inactivity periods (includes interrupt activity monitoring).
852 To compile this driver as a module, choose M here: the
853 module will be called sc1200wdt.
855 Most people will say N.
858 tristate "National Semiconductor SCx200 Watchdog"
859 depends on SCx200 && PCI
861 Enable the built-in watchdog timer support on the National
862 Semiconductor SCx200 processors.
864 If compiled as a module, it will be called scx200_wdt.
867 tristate "NS PC87413 watchdog"
870 This is the driver for the hardware watchdog on the PC87413 chipset
871 This watchdog simply watches your kernel to make sure it doesn't
872 freeze, and if it does, it reboots your computer after a certain
875 To compile this driver as a module, choose M here: the
876 module will be called pc87413_wdt.
878 Most people will say N.
881 tristate "nVidia TCO Timer/Watchdog"
882 depends on X86 && PCI
884 Hardware driver for the TCO timer built into the nVidia Hub family
885 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
886 watchdog timer that will reboot the machine after its second
887 expiration. The expiration time can be configured with the
888 "heartbeat" parameter.
890 On some motherboards the driver may fail to reset the chipset's
891 NO_REBOOT flag which prevents the watchdog from rebooting the
892 machine. If this is the case you will get a kernel message like
893 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
895 To compile this driver as a module, choose M here: the
896 module will be called nv_tco.
899 tristate "RDC R-321x SoC watchdog"
900 depends on X86_RDC321X
902 This is the driver for the built in hardware watchdog
903 in the RDC R-321x SoC.
905 To compile this driver as a module, choose M here: the
906 module will be called rdc321x_wdt.
909 tristate "SBC-60XX Watchdog Timer"
912 This driver can be used with the watchdog timer found on some
913 single board computers, namely the 6010 PII based computer.
914 It may well work with other cards. It reads port 0x443 to enable
915 and re-set the watchdog timer, and reads port 0x45 to disable
916 the watchdog. If you have a card that behave in similar ways,
917 you can probably make this driver work with your card as well.
919 You can compile this driver directly into the kernel, or use
920 it as a module. The module will be called sbc60xxwdt.
923 tristate "SBC8360 Watchdog Timer"
927 This is the driver for the hardware watchdog on the SBC8360 Single
928 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
930 To compile this driver as a module, choose M here: the
931 module will be called sbc8360.
933 Most people will say N.
936 tristate "SBC Nano 7240 Watchdog Timer"
937 depends on X86_32 && !UML
939 This is the driver for the hardware watchdog found on the IEI
940 single board computers EPIC Nano 7240 (and likely others). This
941 watchdog simply watches your kernel to make sure it doesn't freeze,
942 and if it does, it reboots your computer after a certain amount of
945 To compile this driver as a module, choose M here: the
946 module will be called sbc7240_wdt.
949 tristate "SMA CPU5 Watchdog"
953 To compile this driver as a module, choose M here: the
954 module will be called cpu5wdt.
956 config SMSC_SCH311X_WDT
957 tristate "SMSC SCH311X Watchdog Timer"
960 This is the driver for the hardware watchdog timer on the
961 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
962 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
965 To compile this driver as a module, choose M here: the
966 module will be called sch311x_wdt.
968 config SMSC37B787_WDT
969 tristate "Winbond SMsC37B787 Watchdog Timer"
972 This is the driver for the hardware watchdog component on the
973 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
974 from Vision Systems and maybe others.
976 This watchdog simply watches your kernel to make sure it doesn't
977 freeze, and if it does, it reboots your computer after a certain
980 Usually a userspace daemon will notify the kernel WDT driver that
981 userspace is still alive, at regular intervals.
983 To compile this driver as a module, choose M here: the
984 module will be called smsc37b787_wdt.
986 Most people will say N.
989 tristate "VIA Watchdog Timer"
990 depends on X86 && PCI
993 This is the driver for the hardware watchdog timer on VIA
994 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
996 To compile this driver as a module, choose M here; the module
997 will be called via_wdt.
999 Most people will say N.
1002 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
1004 select WATCHDOG_CORE
1006 This is the driver for the hardware watchdog on the following
1008 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
1020 This watchdog simply watches your kernel to make sure it doesn't
1021 freeze, and if it does, it reboots your computer after a certain
1024 To compile this driver as a module, choose M here: the
1025 module will be called w83627hf_wdt.
1027 Most people will say N.
1030 tristate "W83877F (EMACS) Watchdog Timer"
1033 This is the driver for the hardware watchdog on the W83877F chipset
1034 as used in EMACS PC-104 motherboards (and likely others). This
1035 watchdog simply watches your kernel to make sure it doesn't freeze,
1036 and if it does, it reboots your computer after a certain amount of
1039 To compile this driver as a module, choose M here: the
1040 module will be called w83877f_wdt.
1042 Most people will say N.
1045 tristate "W83977F (PCM-5335) Watchdog Timer"
1048 This is the driver for the hardware watchdog on the W83977F I/O chip
1049 as used in AAEON's PCM-5335 SBC (and likely others). This
1050 watchdog simply watches your kernel to make sure it doesn't freeze,
1051 and if it does, it reboots your computer after a certain amount of
1054 To compile this driver as a module, choose M here: the
1055 module will be called w83977f_wdt.
1058 tristate "ZF MachZ Watchdog"
1061 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1062 N. This is the driver for the watchdog timer built-in on that
1063 processor using ZF-Logic interface. This watchdog simply watches
1064 your kernel to make sure it doesn't freeze, and if it does, it
1065 reboots your computer after a certain amount of time.
1067 To compile this driver as a module, choose M here: the
1068 module will be called machzwd.
1070 config SBC_EPX_C3_WATCHDOG
1071 tristate "Winsystems SBC EPX-C3 watchdog"
1074 This is the driver for the built-in watchdog timer on the EPX-C3
1075 Single-board computer made by Winsystems, Inc.
1077 *Note*: This hardware watchdog is not probeable and thus there
1078 is no way to know if writing to its IO address will corrupt
1079 your system or have any real effect. The only way to be sure
1080 that this driver does what you want is to make sure you
1081 are running it on an EPX-C3 from Winsystems with the watchdog
1082 timer at IO address 0x1ee and 0x1ef. It will write to both those
1083 IO ports. Basically, the assumption is made that if you compile
1084 this driver into your kernel and/or load it as a module, that you
1085 know what you are doing and that you are in fact running on an
1088 To compile this driver as a module, choose M here: the
1089 module will be called sbc_epx_c3.
1095 config M54xx_WATCHDOG
1096 tristate "MCF54xx watchdog support"
1099 To compile this driver as a module, choose M here: the
1100 module will be called m54xx_wdt.
1102 # MicroBlaze Architecture
1107 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1110 Hardware driver for the built-in watchdog timer on the Atheros
1111 AR71XX/AR724X/AR913X SoCs.
1114 tristate "Broadcom BCM47xx Watchdog Timer"
1115 depends on BCM47XX || ARCH_BCM_5301X
1116 select WATCHDOG_CORE
1118 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1121 tristate "IDT RC32434 SoC Watchdog Timer"
1122 depends on MIKROTIK_RB532
1124 Hardware driver for the IDT RC32434 SoC built-in
1127 To compile this driver as a module, choose M here: the
1128 module will be called rc32434_wdt.
1131 tristate "Indy/I2 Hardware Watchdog"
1132 depends on SGI_HAS_INDYDOG
1134 Hardware driver for the Indy's/I2's watchdog. This is a
1135 watchdog timer that will reboot the machine after a 60 second
1136 timer expired and no process has written to /dev/watchdog during
1140 tristate "Ingenic jz4740 SoC hardware watchdog"
1141 depends on MACH_JZ4740
1142 select WATCHDOG_CORE
1144 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1147 tristate "MTX-1 Hardware Watchdog"
1148 depends on MIPS_MTX1
1150 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1151 will reboot the machine after a 100 seconds timer expired.
1154 tristate "PNX833x Hardware Watchdog"
1155 depends on SOC_PNX8335
1157 Hardware driver for the PNX833x's watchdog. This is a
1158 watchdog timer that will reboot the machine after a programmable
1159 timer has expired and no process has written to /dev/watchdog during
1163 tristate "Sibyte SoC hardware watchdog"
1166 Watchdog driver for the built in watchdog hardware in Sibyte
1167 SoC processors. There are apparently two watchdog timers
1168 on such processors; this driver supports only the first one,
1169 because currently Linux only supports exporting one watchdog
1172 To compile this driver as a loadable module, choose M here.
1173 The module will be called sb_wdog.
1176 tristate "TI AR7 Watchdog Timer"
1179 Hardware driver for the TI AR7 Watchdog Timer.
1182 tristate "Toshiba TXx9 Watchdog Timer"
1183 depends on CPU_TX39XX || CPU_TX49XX
1184 select WATCHDOG_CORE
1186 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1189 tristate "Cavium OCTEON SOC family Watchdog Timer"
1190 depends on CAVIUM_OCTEON_SOC
1192 select WATCHDOG_CORE
1193 select EXPORT_UASM if OCTEON_WDT = m
1195 Hardware driver for OCTEON's on chip watchdog timer.
1196 Enables the watchdog for all cores running Linux. It
1197 installs a NMI handler and pokes the watchdog based on an
1198 interrupt. On first expiration of the watchdog, the
1199 interrupt handler pokes it. The second expiration causes an
1200 NMI that prints a message. The third expiration causes a
1203 When userspace has /dev/watchdog open, no poking is done
1204 from the first interrupt, it is then only poked when the
1208 tristate "Broadcom BCM63xx hardware watchdog"
1211 Watchdog driver for the built in watchdog hardware in Broadcom
1214 To compile this driver as a loadable module, choose M here.
1215 The module will be called bcm63xx_wdt.
1218 tristate "Broadcom BCM2835 hardware watchdog"
1219 depends on ARCH_BCM2835
1220 select WATCHDOG_CORE
1222 Watchdog driver for the built in watchdog hardware in Broadcom
1225 To compile this driver as a loadable module, choose M here.
1226 The module will be called bcm2835_wdt.
1229 tristate "BCM Kona Watchdog"
1230 depends on ARCH_BCM_MOBILE
1231 select WATCHDOG_CORE
1233 Support for the watchdog timer on the following Broadcom BCM281xx
1234 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1237 Say 'Y' or 'M' here to enable the driver. The module will be called
1240 config BCM_KONA_WDT_DEBUG
1241 bool "DEBUGFS support for BCM Kona Watchdog"
1242 depends on BCM_KONA_WDT
1244 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1245 access to the driver's internal data structures as well as watchdog
1246 timer hardware registres.
1248 If in doubt, say 'N'.
1251 tristate "Imagination Technologies PDC Watchdog Timer"
1252 depends on HAS_IOMEM
1253 depends on METAG || MIPS || COMPILE_TEST
1255 Driver for Imagination Technologies PowerDown Controller
1258 To compile this driver as a loadable module, choose M here.
1259 The module will be called imgpdc_wdt.
1262 tristate "Lantiq SoC watchdog"
1265 Hardware driver for the Lantiq SoC Watchdog Timer.
1268 tristate "Ralink SoC watchdog"
1269 select WATCHDOG_CORE
1272 Hardware driver for the Ralink SoC Watchdog Timer.
1274 # PARISC Architecture
1276 # POWERPC Architecture
1279 tristate "GE Watchdog Timer"
1282 Watchdog timer found in a number of GE single board computers.
1285 bool "MPC52xx Watchdog Timer"
1286 depends on PPC_MPC52xx
1288 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1291 tristate "MPC8xxx Platform Watchdog Timer"
1292 depends on PPC_8xx || PPC_83xx || PPC_86xx
1293 select WATCHDOG_CORE
1295 This driver is for a SoC level watchdog that exists on some
1296 Freescale PowerPC processors. So far this driver supports:
1301 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1304 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1308 tristate "PIKA FPGA Watchdog"
1312 This enables the watchdog in the PIKA FPGA. Currently used on
1316 tristate "PowerPC Book-E Watchdog Timer"
1317 depends on BOOKE || 4xx
1318 select WATCHDOG_CORE
1320 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1321 MPC85xx SOCs and the IBM PowerPC 440.
1323 Please see Documentation/watchdog/watchdog-api.txt for
1326 config BOOKE_WDT_DEFAULT_TIMEOUT
1327 int "PowerPC Book-E Watchdog Timer Default Timeout"
1328 depends on BOOKE_WDT
1329 default 38 if PPC_FSL_BOOK3E
1330 range 0 63 if PPC_FSL_BOOK3E
1331 default 3 if !PPC_FSL_BOOK3E
1332 range 0 3 if !PPC_FSL_BOOK3E
1334 Select the default watchdog timer period to be used by the PowerPC
1335 Book-E watchdog driver. A watchdog "event" occurs when the bit
1336 position represented by this number transitions from zero to one.
1338 For Freescale Book-E processors, this is a number between 0 and 63.
1339 For other Book-E processors, this is a number between 0 and 3.
1341 The value can be overridden by the wdt_period command-line parameter.
1344 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1345 select WATCHDOG_CORE
1348 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1350 The driver can also be built as a module. If so, the module will be
1353 If unsure select N here.
1355 # PPC64 Architecture
1357 config WATCHDOG_RTAS
1358 tristate "RTAS watchdog"
1361 This driver adds watchdog support for the RTAS watchdog.
1363 To compile this driver as a module, choose M here. The module
1364 will be called wdrtas.
1368 config DIAG288_WATCHDOG
1369 tristate "System z diag288 Watchdog"
1371 select WATCHDOG_CORE
1373 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1374 provide a virtual watchdog timer to their guest that cause a
1375 user define Control Program command to be executed after a
1377 LPAR provides a very similar interface. This driver handles
1380 To compile this driver as a module, choose M here. The module
1381 will be called diag288_wdt.
1383 # SUPERH (sh + sh64) Architecture
1386 tristate "SuperH Watchdog"
1387 depends on SUPERH && (CPU_SH3 || CPU_SH4)
1388 select WATCHDOG_CORE
1390 This driver adds watchdog support for the integrated watchdog in the
1391 SuperH processors. If you have one of these processors and wish
1392 to have watchdog support enabled, say Y, otherwise say N.
1394 As a side note, saying Y here will automatically boost HZ to 1000
1395 so that the timer has a chance to clear the overflow counter. On
1396 slower systems (such as the SH-2 and SH-3) this will likely yield
1397 some performance issues. As such, the WDT should be avoided here
1398 unless it is absolutely necessary.
1400 To compile this driver as a module, choose M here: the
1401 module will be called shwdt.
1403 # SPARC Architecture
1405 # SPARC64 Architecture
1407 config WATCHDOG_CP1XXX
1408 tristate "CP1XXX Hardware Watchdog support"
1409 depends on SPARC64 && PCI
1411 This is the driver for the hardware watchdog timers present on
1412 Sun Microsystems CompactPCI models CP1400 and CP1500.
1414 To compile this driver as a module, choose M here: the
1415 module will be called cpwatchdog.
1417 If you do not have a CompactPCI model CP1400 or CP1500, or
1418 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1419 you should say N to this option.
1422 tristate "RIO Hardware Watchdog support"
1423 depends on SPARC64 && PCI
1425 Say Y here to support the hardware watchdog capability on Sun RIO
1426 machines. The watchdog timeout period is normally one minute but
1427 can be changed with a boot-time parameter.
1429 # XTENSA Architecture
1434 tristate "Xen Watchdog support"
1437 Say Y here to support the hypervisor watchdog capability provided
1438 by Xen 4.0 and newer. The watchdog timeout period is normally one
1439 minute but can be changed with a boot-time parameter.
1442 tristate "UML watchdog"
1446 # ISA-based Watchdog Cards
1449 comment "ISA-based Watchdog Cards"
1453 tristate "Berkshire Products ISA-PC Watchdog"
1456 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1457 This card simply watches your kernel to make sure it doesn't freeze,
1458 and if it does, it reboots your computer after a certain amount of
1459 time. This driver is like the WDT501 driver but for different
1460 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1461 watchdog cards can be ordered from <http://www.berkprod.com/>.
1463 To compile this driver as a module, choose M here: the
1464 module will be called pcwd.
1466 Most people will say N.
1469 tristate "Mixcom Watchdog"
1472 This is a driver for the Mixcom hardware watchdog cards. This
1473 watchdog simply watches your kernel to make sure it doesn't freeze,
1474 and if it does, it reboots your computer after a certain amount of
1477 To compile this driver as a module, choose M here: the
1478 module will be called mixcomwd.
1480 Most people will say N.
1483 tristate "WDT Watchdog timer"
1486 If you have a WDT500P or WDT501P watchdog board, say Y here,
1487 otherwise N. It is not possible to probe for this board, which means
1488 that you have to inform the kernel about the IO port and IRQ that
1489 is needed (you can do this via the io and irq parameters)
1491 To compile this driver as a module, choose M here: the
1492 module will be called wdt.
1495 # PCI-based Watchdog Cards
1498 comment "PCI-based Watchdog Cards"
1501 config PCIPCWATCHDOG
1502 tristate "Berkshire Products PCI-PC Watchdog"
1505 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1506 This card simply watches your kernel to make sure it doesn't freeze,
1507 and if it does, it reboots your computer after a certain amount of
1508 time. The card can also monitor the internal temperature of the PC.
1509 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1511 To compile this driver as a module, choose M here: the
1512 module will be called pcwd_pci.
1514 Most people will say N.
1517 tristate "PCI-WDT500/501 Watchdog timer"
1520 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1522 If you have a PCI-WDT501 watchdog board then you can enable the
1523 temperature sensor by setting the type parameter to 501.
1525 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1526 can do this via the tachometer parameter. Only do this if you have a
1527 fan tachometer actually set up.
1529 To compile this driver as a module, choose M here: the
1530 module will be called wdt_pci.
1533 # USB-based Watchdog Cards
1536 comment "USB-based Watchdog Cards"
1539 config USBPCWATCHDOG
1540 tristate "Berkshire Products USB-PC Watchdog"
1543 This is the driver for the Berkshire Products USB-PC Watchdog card.
1544 This card simply watches your kernel to make sure it doesn't freeze,
1545 and if it does, it reboots your computer after a certain amount of
1546 time. The card can also monitor the internal temperature of the PC.
1547 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1549 To compile this driver as a module, choose M here: the
1550 module will be called pcwd_usb.
1552 Most people will say N.