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
31 config WATCHDOG_NOWAYOUT
32 bool "Disable watchdog shutdown on close"
34 The default watchdog behaviour (which you get if you say N here) is
35 to stop the timer if the process managing it closes the file
36 /dev/watchdog. It's always remotely possible that this process might
37 get killed. If you say Y here, the watchdog cannot be stopped once
41 # General Watchdog drivers
44 comment "Watchdog Device Drivers"
46 # Architecture Independent
49 tristate "Software watchdog"
51 A software monitoring watchdog. This will fail to reboot your system
52 from some situations that the hardware watchdog will recover
53 from. Equally it's a lot cheaper to install.
55 To compile this driver as a module, choose M here: the
56 module will be called softdog.
58 config WM831X_WATCHDOG
59 tristate "WM831x watchdog"
62 Support for the watchdog in the WM831x AudioPlus PMICs. When
63 the watchdog triggers the system will be reset.
65 config WM8350_WATCHDOG
66 tristate "WM8350 watchdog"
69 Support for the watchdog in the WM8350 AudioPlus PMIC. When
70 the watchdog triggers the system will be reset.
76 config ARM_SP805_WATCHDOG
77 tristate "ARM SP805 Watchdog"
80 ARM Primecell SP805 Watchdog timer. This will reboot your system when
81 the timeout is reached.
83 config AT91RM9200_WATCHDOG
84 tristate "AT91RM9200 watchdog"
85 depends on ARCH_AT91RM9200
87 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
88 system when the timeout is reached.
90 config AT91SAM9X_WATCHDOG
91 tristate "AT91SAM9X / AT91CAP9 watchdog"
92 depends on ARCH_AT91 && !ARCH_AT91RM9200
94 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
95 reboot your system when the timeout is reached.
98 tristate "DC21285 watchdog"
101 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
102 here if you wish to use this. Alternatively say M to compile the
103 driver as a module, which will be called wdt285.
105 This driver does not work on all machines. In particular, early CATS
106 boards have hardware problems that will cause the machine to simply
107 lock up if the watchdog fires.
109 "If in doubt, leave it out" - say N.
112 tristate "NetWinder WB83C977 watchdog"
113 depends on FOOTBRIDGE && ARCH_NETWINDER
115 Say Y here to include support for the WB977 watchdog included in
116 NetWinder machines. Alternatively say M to compile the driver as
117 a module, which will be called wdt977.
119 Not sure? It's safe to say N.
121 config IXP2000_WATCHDOG
122 tristate "IXP2000 Watchdog"
123 depends on ARCH_IXP2000
125 Say Y here if to include support for the watchdog timer
126 in the Intel IXP2000(2400, 2800, 2850) network processors.
127 This driver can be built as a module by choosing M. The module
128 will be called ixp2000_wdt.
130 Say N if you are unsure.
132 config IXP4XX_WATCHDOG
133 tristate "IXP4xx Watchdog"
134 depends on ARCH_IXP4XX
136 Say Y here if to include support for the watchdog timer
137 in the Intel IXP4xx network processors. This driver can
138 be built as a module by choosing M. The module will
139 be called ixp4xx_wdt.
141 Note: The internal IXP4xx watchdog does a soft CPU reset
142 which doesn't reset any peripherals. There are circumstances
143 where the watchdog will fail to reset the board correctly
144 (e.g., if the boot ROM is in an unreadable state).
146 Say N if you are unsure.
148 config KS8695_WATCHDOG
149 tristate "KS8695 watchdog"
150 depends on ARCH_KS8695
152 Watchdog timer embedded into KS8695 processor. This will reboot your
153 system when the timeout is reached.
155 config HAVE_S3C2410_WATCHDOG
158 This will include watchdog timer support for Samsung SoCs. If
159 you want to include watchdog support for any machine, kindly
160 select this in the respective mach-XXXX/Kconfig file.
162 config S3C2410_WATCHDOG
163 tristate "S3C2410 Watchdog"
164 depends on ARCH_S3C2410 || HAVE_S3C2410_WATCHDOG
166 Watchdog timer block in the Samsung SoCs. This will reboot
167 the system when the timer expires with the watchdog enabled.
169 The driver is limited by the speed of the system's PCLK
170 signal, so with reasonably fast systems (PCLK around 50-66MHz)
171 then watchdog intervals of over approximately 20seconds are
174 The driver can be built as a module by choosing M, and will
175 be called s3c2410_wdt
177 config SA1100_WATCHDOG
178 tristate "SA1100/PXA2xx watchdog"
179 depends on ARCH_SA1100 || ARCH_PXA
181 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
182 reboot your system when timeout is reached.
184 NOTE: once enabled, this timer cannot be disabled.
186 To compile this driver as a module, choose M here: the
187 module will be called sa1100_wdt.
189 config MPCORE_WATCHDOG
190 tristate "MPcore watchdog"
191 depends on HAVE_ARM_TWD
193 Watchdog timer embedded into the MPcore system.
195 To compile this driver as a module, choose M here: the
196 module will be called mpcore_wdt.
198 config EP93XX_WATCHDOG
199 tristate "EP93xx Watchdog"
200 depends on ARCH_EP93XX
202 Say Y here if to include support for the watchdog timer
203 embedded in the Cirrus Logic EP93xx family of devices.
205 To compile this driver as a module, choose M here: the
206 module will be called ep93xx_wdt.
209 tristate "OMAP Watchdog"
210 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
212 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
213 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
215 config PNX4008_WATCHDOG
216 tristate "PNX4008 Watchdog"
217 depends on ARCH_PNX4008
219 Say Y here if to include support for the watchdog timer
220 in the PNX4008 processor.
221 This driver can be built as a module by choosing M. The module
222 will be called pnx4008_wdt.
224 Say N if you are unsure.
227 tristate "IOP Watchdog"
229 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
231 Say Y here if to include support for the watchdog timer
232 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
233 be built as a module by choosing M. The module will
236 Note: The IOP13XX watchdog does an Internal Bus Reset which will
237 affect both cores and the peripherals of the IOP. The ATU-X
238 and/or ATUe configuration registers will remain intact, but if
239 operating as an Root Complex and/or Central Resource, the PCI-X
240 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
242 config DAVINCI_WATCHDOG
243 tristate "DaVinci watchdog"
244 depends on ARCH_DAVINCI
246 Say Y here if to include support for the watchdog timer
247 in the DaVinci DM644x/DM646x processors.
248 To compile this driver as a module, choose M here: the
249 module will be called davinci_wdt.
251 NOTE: once enabled, this timer cannot be disabled.
252 Say N if you are unsure.
254 config ORION_WATCHDOG
255 tristate "Orion watchdog"
256 depends on ARCH_ORION5X || ARCH_KIRKWOOD
258 Say Y here if to include support for the watchdog timer
259 in the Marvell Orion5x and Kirkwood ARM SoCs.
260 To compile this driver as a module, choose M here: the
261 module will be called orion_wdt.
263 config COH901327_WATCHDOG
264 bool "ST-Ericsson COH 901 327 watchdog"
266 default y if MACH_U300
268 Say Y here to include Watchdog timer support for the
269 watchdog embedded into the ST-Ericsson U300 series platforms.
270 This watchdog is used to reset the system and thus cannot be
271 compiled as a module.
273 config TWL4030_WATCHDOG
274 tristate "TWL4030 Watchdog"
275 depends on TWL4030_CORE
277 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
278 watchdog timer support for TWL4030 chips.
280 config STMP3XXX_WATCHDOG
281 tristate "Freescale STMP3XXX watchdog"
282 depends on ARCH_STMP3XXX
284 Say Y here if to include support for the watchdog timer
285 for the Sigmatel STMP37XX/378X SoC.
286 To compile this driver as a module, choose M here: the
287 module will be called stmp3xxx_wdt.
289 config NUC900_WATCHDOG
290 tristate "Nuvoton NUC900 watchdog"
291 depends on ARCH_W90X900
293 Say Y here if to include support for the watchdog timer
294 for the Nuvoton NUC900 series SoCs.
295 To compile this driver as a module, choose M here: the
296 module will be called nuc900_wdt.
299 tristate "Avionic Design Xanthos watchdog"
300 depends on ARCH_PXA_ADX
302 Say Y here if you want support for the watchdog timer on Avionic
303 Design Xanthos boards.
305 config TS72XX_WATCHDOG
306 tristate "TS-72XX SBC Watchdog"
307 depends on MACH_TS72XX
309 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
310 watchdog timer implemented in a external CPLD chip. Say Y here
311 if you want to support for the watchdog timer on TS-72XX boards.
313 To compile this driver as a module, choose M here: the
314 module will be called ts72xx_wdt.
316 config MAX63XX_WATCHDOG
317 tristate "Max63xx watchdog"
318 depends on ARM && HAS_IOMEM
320 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
323 tristate "IMX2+ Watchdog"
324 depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 || ARCH_MX5
326 This is the driver for the hardware watchdog
327 on the Freescale IMX2 and later processors.
328 If you have one of these processors and wish to have
329 watchdog support enabled, say Y, otherwise say N.
331 To compile this driver as a module, choose M here: the
332 module will be called imx2_wdt.
336 config AT32AP700X_WDT
337 tristate "AT32AP700x watchdog"
338 depends on CPU_AT32AP700X
340 Watchdog timer embedded into AT32AP700x devices. This will reboot
341 your system when the timeout is reached.
343 # BLACKFIN Architecture
346 tristate "Blackfin On-Chip Watchdog Timer"
349 If you say yes here you will get support for the Blackfin On-Chip
350 Watchdog Timer. If you have one of these processors and wish to
351 have watchdog support enabled, say Y, otherwise say N.
353 To compile this driver as a module, choose M here: the
354 module will be called bfin_wdt.
362 # X86 (i386 + ia64 + x86_64) Architecture
365 tristate "Acquire SBC Watchdog Timer"
368 This is the driver for the hardware watchdog on Single Board
369 Computers produced by Acquire Inc (and others). This watchdog
370 simply watches your kernel to make sure it doesn't freeze, and if
371 it does, it reboots your computer after a certain amount of time.
373 To compile this driver as a module, choose M here: the
374 module will be called acquirewdt.
376 Most people will say N.
379 tristate "Advantech SBC Watchdog Timer"
382 If you are configuring a Linux kernel for the Advantech single-board
383 computer, say `Y' here to support its built-in watchdog timer
384 feature. More information can be found at
385 <http://www.advantech.com.tw/products/>
388 tristate "ALi M1535 PMU Watchdog Timer"
389 depends on X86 && PCI
391 This is the driver for the hardware watchdog on the ALi M1535 PMU.
393 To compile this driver as a module, choose M here: the
394 module will be called alim1535_wdt.
396 Most people will say N.
399 tristate "ALi M7101 PMU Computer Watchdog"
402 This is the driver for the hardware watchdog on the ALi M7101 PMU
403 as used in the x86 Cobalt servers and also found in some
404 SPARC Netra servers too.
406 To compile this driver as a module, choose M here: the
407 module will be called alim7101_wdt.
409 Most people will say N.
412 tristate "Fintek F71808E and F71882FG Watchdog"
413 depends on X86 && EXPERIMENTAL
415 This is the driver for the hardware watchdog on the Fintek
416 F71808E and F71882FG Super I/O controllers.
418 You can compile this driver directly into the kernel, or use
419 it as a module. The module will be called f71808e_wdt.
423 tristate "AMD Geode CS5535/CS5536 Watchdog"
424 depends on CS5535_MFGPT
426 This driver enables a watchdog capability built into the
427 CS5535/CS5536 companion chips for the AMD Geode GX and LX
428 processors. This watchdog watches your kernel to make sure
429 it doesn't freeze, and if it does, it reboots your computer after
430 a certain amount of time.
432 You can compile this driver directly into the kernel, or use
433 it as a module. The module will be called geodewdt.
436 tristate "AMD Elan SC520 processor Watchdog"
439 This is the driver for the hardware watchdog built in to the
440 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
441 This watchdog simply watches your kernel to make sure it doesn't
442 freeze, and if it does, it reboots your computer after a certain
445 You can compile this driver directly into the kernel, or use
446 it as a module. The module will be called sc520_wdt.
448 config SBC_FITPC2_WATCHDOG
449 tristate "Compulab SBC-FITPC2 watchdog"
452 This is the driver for the built-in watchdog timer on the fit-PC2,
453 fit-PC2i, CM-iAM single-board computers made by Compulab.
455 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
456 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
458 Entering BIOS setup temporary disables watchdog operation regardless to current state,
459 so system will not be restarted while user in BIOS setup.
461 Once watchdog was enabled the system will be restarted every
462 "Watchdog Timer Value" period, so to prevent it user can restart or
463 disable the watchdog.
465 To compile this driver as a module, choose M here: the
466 module will be called sbc_fitpc2_wdt.
468 Most people will say N.
471 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
474 Enable support for the watchdog timer on the Eurotech CPU-1220 and
475 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
476 information are at <http://www.eurotech.it/>.
479 tristate "IB700 SBC Watchdog Timer"
482 This is the driver for the hardware watchdog on the IB700 Single
483 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
484 simply watches your kernel to make sure it doesn't freeze, and if
485 it does, it reboots your computer after a certain amount of time.
487 This driver is like the WDT501 driver but for slightly different hardware.
489 To compile this driver as a module, choose M here: the
490 module will be called ib700wdt.
492 Most people will say N.
495 tristate "IBM Automatic Server Restart"
498 This is the driver for the IBM Automatic Server Restart watchdog
499 timer built-in into some eServer xSeries machines.
501 To compile this driver as a module, choose M here: the
502 module will be called ibmasr.
505 tristate "ICP Single Board Computer Watchdog Timer"
508 This is a driver for the hardware watchdog on the ICP Single
509 Board Computer. This driver is working on (at least) the following
510 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
512 To compile this driver as a module, choose M here: the
513 module will be called wafer5823wdt.
516 tristate "Intel 6300ESB Timer/Watchdog"
517 depends on X86 && PCI
519 Hardware driver for the watchdog timer built into the Intel
520 6300ESB controller hub.
522 To compile this driver as a module, choose M here: the
523 module will be called i6300esb.
526 tristate "Intel TCO Timer/Watchdog"
527 depends on (X86 || IA64) && PCI
529 Hardware driver for the intel TCO timer based watchdog devices.
530 These drivers are included in the Intel 82801 I/O Controller
531 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
534 The TCO (Total Cost of Ownership) timer is a watchdog timer
535 that will reboot the machine after its second expiration. The
536 expiration time can be configured with the "heartbeat" parameter.
538 On some motherboards the driver may fail to reset the chipset's
539 NO_REBOOT flag which prevents the watchdog from rebooting the
540 machine. If this is the case you will get a kernel message like
541 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
543 To compile this driver as a module, choose M here: the
544 module will be called iTCO_wdt.
546 config ITCO_VENDOR_SUPPORT
547 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
550 Add vendor specific support to the intel TCO timer based watchdog
551 devices. At this moment we only have additional support for some
552 SuperMicro Inc. motherboards.
555 tristate "IT8712F (Smart Guardian) Watchdog Timer"
558 This is the driver for the built-in watchdog timer on the IT8712F
559 Super I/0 chipset used on many motherboards.
561 To compile this driver as a module, choose M here: the
562 module will be called it8712f_wdt.
565 tristate "IT87 Watchdog Timer"
566 depends on X86 && EXPERIMENTAL
568 This is the driver for the hardware watchdog on the ITE IT8716,
569 IT8718, IT8726, IT8712(Version J,K) Super I/O chips. This watchdog
570 simply watches your kernel to make sure it doesn't freeze, and if
571 it does, it reboots your computer after a certain amount of time.
573 To compile this driver as a module, choose M here: the module will
577 tristate "HP Proliant iLO 2 Hardware Watchdog Timer"
580 A software monitoring watchdog and NMI sourcing driver. This driver
581 will detect lockups and provide stack trace. Also, when an NMI
582 occurs this driver will make the necessary BIOS calls to log
583 the cause of the NMI. This is a driver that will only load on a
584 HP ProLiant system with a minimum of iLO2 support.
585 To compile this driver as a module, choose M here: the
586 module will be called hpwdt.
589 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
592 This is a driver for National Semiconductor PC87307/PC97307 hardware
593 watchdog cards as found on the SC1200. This watchdog is mainly used
594 for power management purposes and can be used to power down the device
595 during inactivity periods (includes interrupt activity monitoring).
597 To compile this driver as a module, choose M here: the
598 module will be called sc1200wdt.
600 Most people will say N.
603 tristate "National Semiconductor SCx200 Watchdog"
604 depends on SCx200 && PCI
606 Enable the built-in watchdog timer support on the National
607 Semiconductor SCx200 processors.
609 If compiled as a module, it will be called scx200_wdt.
612 tristate "NS PC87413 watchdog"
615 This is the driver for the hardware watchdog on the PC87413 chipset
616 This watchdog simply watches your kernel to make sure it doesn't
617 freeze, and if it does, it reboots your computer after a certain
620 To compile this driver as a module, choose M here: the
621 module will be called pc87413_wdt.
623 Most people will say N.
626 tristate "RDC R-321x SoC watchdog"
627 depends on X86_RDC321X
629 This is the driver for the built in hardware watchdog
630 in the RDC R-321x SoC.
632 To compile this driver as a module, choose M here: the
633 module will be called rdc321x_wdt.
636 tristate "SBC-60XX Watchdog Timer"
639 This driver can be used with the watchdog timer found on some
640 single board computers, namely the 6010 PII based computer.
641 It may well work with other cards. It reads port 0x443 to enable
642 and re-set the watchdog timer, and reads port 0x45 to disable
643 the watchdog. If you have a card that behave in similar ways,
644 you can probably make this driver work with your card as well.
646 You can compile this driver directly into the kernel, or use
647 it as a module. The module will be called sbc60xxwdt.
650 tristate "SBC8360 Watchdog Timer"
654 This is the driver for the hardware watchdog on the SBC8360 Single
655 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
657 To compile this driver as a module, choose M here: the
658 module will be called sbc8360.
660 Most people will say N.
663 tristate "SBC Nano 7240 Watchdog Timer"
666 This is the driver for the hardware watchdog found on the IEI
667 single board computers EPIC Nano 7240 (and likely others). This
668 watchdog simply watches your kernel to make sure it doesn't freeze,
669 and if it does, it reboots your computer after a certain amount of
672 To compile this driver as a module, choose M here: the
673 module will be called sbc7240_wdt.
676 tristate "SMA CPU5 Watchdog"
680 To compile this driver as a module, choose M here: the
681 module will be called cpu5wdt.
683 config SMSC_SCH311X_WDT
684 tristate "SMSC SCH311X Watchdog Timer"
687 This is the driver for the hardware watchdog timer on the
688 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
689 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
692 To compile this driver as a module, choose M here: the
693 module will be called sch311x_wdt.
695 config SMSC37B787_WDT
696 tristate "Winbond SMsC37B787 Watchdog Timer"
699 This is the driver for the hardware watchdog component on the
700 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
701 from Vision Systems and maybe others.
703 This watchdog simply watches your kernel to make sure it doesn't
704 freeze, and if it does, it reboots your computer after a certain
707 Usually a userspace daemon will notify the kernel WDT driver that
708 userspace is still alive, at regular intervals.
710 To compile this driver as a module, choose M here: the
711 module will be called smsc37b787_wdt.
713 Most people will say N.
716 tristate "W83627HF Watchdog Timer"
719 This is the driver for the hardware watchdog on the W83627HF chipset
720 as used in Advantech PC-9578 and Tyan S2721-533 motherboards
721 (and likely others). This watchdog simply watches your kernel to
722 make sure it doesn't freeze, and if it does, it reboots your computer
723 after a certain amount of time.
725 To compile this driver as a module, choose M here: the
726 module will be called w83627hf_wdt.
728 Most people will say N.
731 tristate "W83697HF/W83697HG Watchdog Timer"
734 This is the driver for the hardware watchdog on the W83697HF/HG
735 chipset as used in Dedibox/VIA motherboards (and likely others).
736 This watchdog simply watches your kernel to make sure it doesn't
737 freeze, and if it does, it reboots your computer after a certain
740 To compile this driver as a module, choose M here: the
741 module will be called w83697hf_wdt.
743 Most people will say N.
746 tristate "W83697UG/W83697UF Watchdog Timer"
749 This is the driver for the hardware watchdog on the W83697UG/UF
750 chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
751 This watchdog simply watches your kernel to make sure it doesn't
752 freeze, and if it does, it reboots your computer after a certain
755 To compile this driver as a module, choose M here: the
756 module will be called w83697ug_wdt.
758 Most people will say N.
761 tristate "W83877F (EMACS) Watchdog Timer"
764 This is the driver for the hardware watchdog on the W83877F chipset
765 as used in EMACS PC-104 motherboards (and likely others). This
766 watchdog simply watches your kernel to make sure it doesn't freeze,
767 and if it does, it reboots your computer after a certain amount of
770 To compile this driver as a module, choose M here: the
771 module will be called w83877f_wdt.
773 Most people will say N.
776 tristate "W83977F (PCM-5335) Watchdog Timer"
779 This is the driver for the hardware watchdog on the W83977F I/O chip
780 as used in AAEON's PCM-5335 SBC (and likely others). This
781 watchdog simply watches your kernel to make sure it doesn't freeze,
782 and if it does, it reboots your computer after a certain amount of
785 To compile this driver as a module, choose M here: the
786 module will be called w83977f_wdt.
789 tristate "ZF MachZ Watchdog"
792 If you are using a ZF Micro MachZ processor, say Y here, otherwise
793 N. This is the driver for the watchdog timer built-in on that
794 processor using ZF-Logic interface. This watchdog simply watches
795 your kernel to make sure it doesn't freeze, and if it does, it
796 reboots your computer after a certain amount of time.
798 To compile this driver as a module, choose M here: the
799 module will be called machzwd.
801 config SBC_EPX_C3_WATCHDOG
802 tristate "Winsystems SBC EPX-C3 watchdog"
805 This is the driver for the built-in watchdog timer on the EPX-C3
806 Single-board computer made by Winsystems, Inc.
808 *Note*: This hardware watchdog is not probeable and thus there
809 is no way to know if writing to its IO address will corrupt
810 your system or have any real effect. The only way to be sure
811 that this driver does what you want is to make sure you
812 are running it on an EPX-C3 from Winsystems with the watchdog
813 timer at IO address 0x1ee and 0x1ef. It will write to both those
814 IO ports. Basically, the assumption is made that if you compile
815 this driver into your kernel and/or load it as a module, that you
816 know what you are doing and that you are in fact running on an
819 To compile this driver as a module, choose M here: the
820 module will be called sbc_epx_c3.
826 # M68KNOMMU Architecture
831 tristate "Broadcom BCM47xx Watchdog Timer"
834 Hardware driver for the Broadcom BCM47xx Watchog Timer.
837 tristate "IDT RC32434 SoC Watchdog Timer"
838 depends on MIKROTIK_RB532
840 Hardware driver for the IDT RC32434 SoC built-in
843 To compile this driver as a module, choose M here: the
844 module will be called rc32434_wdt.
847 tristate "Indy/I2 Hardware Watchdog"
848 depends on SGI_HAS_INDYDOG
850 Hardware driver for the Indy's/I2's watchdog. This is a
851 watchdog timer that will reboot the machine after a 60 second
852 timer expired and no process has written to /dev/watchdog during
856 tristate "MTX-1 Hardware Watchdog"
859 Hardware driver for the MTX-1 boards. This is a watchdog timer that
860 will reboot the machine after a 100 seconds timer expired.
863 tristate "PNX833x Hardware Watchdog"
864 depends on SOC_PNX8335
866 Hardware driver for the PNX833x's watchdog. This is a
867 watchdog timer that will reboot the machine after a programable
868 timer has expired and no process has written to /dev/watchdog during
872 tristate "Sibyte SoC hardware watchdog"
875 Watchdog driver for the built in watchdog hardware in Sibyte
876 SoC processors. There are apparently two watchdog timers
877 on such processors; this driver supports only the first one,
878 because currently Linux only supports exporting one watchdog
881 To compile this driver as a loadable module, choose M here.
882 The module will be called sb_wdog.
885 tristate "TI AR7 Watchdog Timer"
888 Hardware driver for the TI AR7 Watchdog Timer.
891 tristate "Toshiba TXx9 Watchdog Timer"
892 depends on CPU_TX39XX || CPU_TX49XX
894 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
897 tristate "Cavium OCTEON SOC family Watchdog Timer"
898 depends on CPU_CAVIUM_OCTEON
900 select EXPORT_UASM if OCTEON_WDT = m
902 Hardware driver for OCTEON's on chip watchdog timer.
903 Enables the watchdog for all cores running Linux. It
904 installs a NMI handler and pokes the watchdog based on an
905 interrupt. On first expiration of the watchdog, the
906 interrupt handler pokes it. The second expiration causes an
907 NMI that prints a message. The third expiration causes a
910 When userspace has /dev/watchdog open, no poking is done
911 from the first interrupt, it is then only poked when the
914 # PARISC Architecture
916 # POWERPC Architecture
919 tristate "GE Watchdog Timer"
920 depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
922 Watchdog timer found in a number of GE single board computers.
925 bool "MPC52xx Watchdog Timer"
926 depends on PPC_MPC52xx
928 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
931 tristate "MPC8xxx Platform Watchdog Timer"
932 depends on PPC_8xx || PPC_83xx || PPC_86xx
934 This driver is for a SoC level watchdog that exists on some
935 Freescale PowerPC processors. So far this driver supports:
940 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
943 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
947 tristate "PIKA FPGA Watchdog"
951 This enables the watchdog in the PIKA FPGA. Currently used on
955 bool "PowerPC Book-E Watchdog Timer"
956 depends on BOOKE || 4xx
958 Please see Documentation/watchdog/watchdog-api.txt for
964 tristate "RTAS watchdog"
967 This driver adds watchdog support for the RTAS watchdog.
969 To compile this driver as a module, choose M here. The module
970 will be called wdrtas.
975 tristate "z/VM Watchdog Timer"
978 IBM s/390 and zSeries machines running under z/VM 5.1 or later
979 provide a virtual watchdog timer to their guest that cause a
980 user define Control Program command to be executed after a
983 To compile this driver as a module, choose M here. The module
984 will be called vmwatchdog.
986 # SUPERH (sh + sh64) Architecture
989 tristate "SuperH Watchdog"
990 depends on SUPERH && (CPU_SH3 || CPU_SH4)
992 This driver adds watchdog support for the integrated watchdog in the
993 SuperH processors. If you have one of these processors and wish
994 to have watchdog support enabled, say Y, otherwise say N.
996 As a side note, saying Y here will automatically boost HZ to 1000
997 so that the timer has a chance to clear the overflow counter. On
998 slower systems (such as the SH-2 and SH-3) this will likely yield
999 some performance issues. As such, the WDT should be avoided here
1000 unless it is absolutely necessary.
1002 To compile this driver as a module, choose M here: the
1003 module will be called shwdt.
1006 bool "Allow mmap of SH WDT"
1010 If you say Y here, user applications will be able to mmap the
1013 # SPARC Architecture
1015 # SPARC64 Architecture
1017 config WATCHDOG_CP1XXX
1018 tristate "CP1XXX Hardware Watchdog support"
1019 depends on SPARC64 && PCI
1021 This is the driver for the hardware watchdog timers present on
1022 Sun Microsystems CompactPCI models CP1400 and CP1500.
1024 To compile this driver as a module, choose M here: the
1025 module will be called cpwatchdog.
1027 If you do not have a CompactPCI model CP1400 or CP1500, or
1028 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1029 you should say N to this option.
1032 tristate "RIO Hardware Watchdog support"
1033 depends on SPARC64 && PCI
1035 Say Y here to support the hardware watchdog capability on Sun RIO
1036 machines. The watchdog timeout period is normally one minute but
1037 can be changed with a boot-time parameter.
1039 # XTENSA Architecture
1042 # ISA-based Watchdog Cards
1045 comment "ISA-based Watchdog Cards"
1049 tristate "Berkshire Products ISA-PC Watchdog"
1052 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1053 This card simply watches your kernel to make sure it doesn't freeze,
1054 and if it does, it reboots your computer after a certain amount of
1055 time. This driver is like the WDT501 driver but for different
1056 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1057 watchdog cards can be ordered from <http://www.berkprod.com/>.
1059 To compile this driver as a module, choose M here: the
1060 module will be called pcwd.
1062 Most people will say N.
1065 tristate "Mixcom Watchdog"
1068 This is a driver for the Mixcom hardware watchdog cards. This
1069 watchdog simply watches your kernel to make sure it doesn't freeze,
1070 and if it does, it reboots your computer after a certain amount of
1073 To compile this driver as a module, choose M here: the
1074 module will be called mixcomwd.
1076 Most people will say N.
1079 tristate "WDT Watchdog timer"
1082 If you have a WDT500P or WDT501P watchdog board, say Y here,
1083 otherwise N. It is not possible to probe for this board, which means
1084 that you have to inform the kernel about the IO port and IRQ that
1085 is needed (you can do this via the io and irq parameters)
1087 To compile this driver as a module, choose M here: the
1088 module will be called wdt.
1091 # PCI-based Watchdog Cards
1094 comment "PCI-based Watchdog Cards"
1097 config PCIPCWATCHDOG
1098 tristate "Berkshire Products PCI-PC Watchdog"
1101 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1102 This card simply watches your kernel to make sure it doesn't freeze,
1103 and if it does, it reboots your computer after a certain amount of
1104 time. The card can also monitor the internal temperature of the PC.
1105 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1107 To compile this driver as a module, choose M here: the
1108 module will be called pcwd_pci.
1110 Most people will say N.
1113 tristate "PCI-WDT500/501 Watchdog timer"
1116 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1118 If you have a PCI-WDT501 watchdog board then you can enable the
1119 temperature sensor by setting the type parameter to 501.
1121 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1122 can do this via the tachometer parameter. Only do this if you have a
1123 fan tachometer actually set up.
1125 To compile this driver as a module, choose M here: the
1126 module will be called wdt_pci.
1129 # USB-based Watchdog Cards
1132 comment "USB-based Watchdog Cards"
1135 config USBPCWATCHDOG
1136 tristate "Berkshire Products USB-PC Watchdog"
1139 This is the driver for the Berkshire Products USB-PC Watchdog card.
1140 This card simply watches your kernel to make sure it doesn't freeze,
1141 and if it does, it reboots your computer after a certain amount of
1142 time. The card can also monitor the internal temperature of the PC.
1143 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1145 To compile this driver as a module, choose M here: the
1146 module will be called pcwd_usb.
1148 Most people will say N.