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1#
2# Watchdog device configuration
3#
4
5menuconfig WATCHDOG
6 bool "Watchdog Timer Support"
7 ---help---
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.
20
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
25 table is full.
26
27 If unsure, say N.
28
29if WATCHDOG
30
31config WATCHDOG_CORE
32 bool "WatchDog Timer Driver Core"
33 ---help---
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
37 sysfs interface).
38
39config WATCHDOG_NOWAYOUT
40 bool "Disable watchdog shutdown on close"
41 help
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
46 it has been started.
47
48#
49# General Watchdog drivers
50#
51
52comment "Watchdog Device Drivers"
53
54# Architecture Independent
55
56config SOFT_WATCHDOG
57 tristate "Software watchdog"
58 help
59 A software monitoring watchdog. This will fail to reboot your system
60 from some situations that the hardware watchdog will recover
61 from. Equally it's a lot cheaper to install.
62
63 To compile this driver as a module, choose M here: the
64 module will be called softdog.
65
66config WM831X_WATCHDOG
67 tristate "WM831x watchdog"
68 depends on MFD_WM831X
69 help
70 Support for the watchdog in the WM831x AudioPlus PMICs. When
71 the watchdog triggers the system will be reset.
72
73config WM8350_WATCHDOG
74 tristate "WM8350 watchdog"
75 depends on MFD_WM8350
76 help
77 Support for the watchdog in the WM8350 AudioPlus PMIC. When
78 the watchdog triggers the system will be reset.
79
80# ALPHA Architecture
81
82# ARM Architecture
83
84config ARM_SP805_WATCHDOG
85 tristate "ARM SP805 Watchdog"
86 depends on ARM_AMBA
87 help
88 ARM Primecell SP805 Watchdog timer. This will reboot your system when
89 the timeout is reached.
90
91config AT91RM9200_WATCHDOG
92 tristate "AT91RM9200 watchdog"
93 depends on ARCH_AT91RM9200
94 help
95 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
96 system when the timeout is reached.
97
98config AT91SAM9X_WATCHDOG
99 tristate "AT91SAM9X / AT91CAP9 watchdog"
100 depends on ARCH_AT91 && !ARCH_AT91RM9200
101 help
102 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
103 reboot your system when the timeout is reached.
104
105config 21285_WATCHDOG
106 tristate "DC21285 watchdog"
107 depends on FOOTBRIDGE
108 help
109 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
110 here if you wish to use this. Alternatively say M to compile the
111 driver as a module, which will be called wdt285.
112
113 This driver does not work on all machines. In particular, early CATS
114 boards have hardware problems that will cause the machine to simply
115 lock up if the watchdog fires.
116
117 "If in doubt, leave it out" - say N.
118
119config 977_WATCHDOG
120 tristate "NetWinder WB83C977 watchdog"
121 depends on FOOTBRIDGE && ARCH_NETWINDER
122 help
123 Say Y here to include support for the WB977 watchdog included in
124 NetWinder machines. Alternatively say M to compile the driver as
125 a module, which will be called wdt977.
126
127 Not sure? It's safe to say N.
128
129config IXP2000_WATCHDOG
130 tristate "IXP2000 Watchdog"
131 depends on ARCH_IXP2000
132 help
133 Say Y here if to include support for the watchdog timer
134 in the Intel IXP2000(2400, 2800, 2850) network processors.
135 This driver can be built as a module by choosing M. The module
136 will be called ixp2000_wdt.
137
138 Say N if you are unsure.
139
140config IXP4XX_WATCHDOG
141 tristate "IXP4xx Watchdog"
142 depends on ARCH_IXP4XX
143 help
144 Say Y here if to include support for the watchdog timer
145 in the Intel IXP4xx network processors. This driver can
146 be built as a module by choosing M. The module will
147 be called ixp4xx_wdt.
148
149 Note: The internal IXP4xx watchdog does a soft CPU reset
150 which doesn't reset any peripherals. There are circumstances
151 where the watchdog will fail to reset the board correctly
152 (e.g., if the boot ROM is in an unreadable state).
153
154 Say N if you are unsure.
155
156config KS8695_WATCHDOG
157 tristate "KS8695 watchdog"
158 depends on ARCH_KS8695
159 help
160 Watchdog timer embedded into KS8695 processor. This will reboot your
161 system when the timeout is reached.
162
163config HAVE_S3C2410_WATCHDOG
164 bool
165 help
166 This will include watchdog timer support for Samsung SoCs. If
167 you want to include watchdog support for any machine, kindly
168 select this in the respective mach-XXXX/Kconfig file.
169
170config S3C2410_WATCHDOG
171 tristate "S3C2410 Watchdog"
172 depends on ARCH_S3C2410 || HAVE_S3C2410_WATCHDOG
173 help
174 Watchdog timer block in the Samsung SoCs. This will reboot
175 the system when the timer expires with the watchdog enabled.
176
177 The driver is limited by the speed of the system's PCLK
178 signal, so with reasonably fast systems (PCLK around 50-66MHz)
179 then watchdog intervals of over approximately 20seconds are
180 unavailable.
181
182 The driver can be built as a module by choosing M, and will
183 be called s3c2410_wdt
184
185config SA1100_WATCHDOG
186 tristate "SA1100/PXA2xx watchdog"
187 depends on ARCH_SA1100 || ARCH_PXA
188 help
189 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
190 reboot your system when timeout is reached.
191
192 NOTE: once enabled, this timer cannot be disabled.
193
194 To compile this driver as a module, choose M here: the
195 module will be called sa1100_wdt.
196
197config DW_WATCHDOG
198 tristate "Synopsys DesignWare watchdog"
199 depends on ARM && HAVE_CLK
200 help
201 Say Y here if to include support for the Synopsys DesignWare
202 watchdog timer found in many ARM chips.
203 To compile this driver as a module, choose M here: the
204 module will be called dw_wdt.
205
206config MPCORE_WATCHDOG
207 tristate "MPcore watchdog"
208 depends on HAVE_ARM_TWD
209 help
210 Watchdog timer embedded into the MPcore system.
211
212 To compile this driver as a module, choose M here: the
213 module will be called mpcore_wdt.
214
215config EP93XX_WATCHDOG
216 tristate "EP93xx Watchdog"
217 depends on ARCH_EP93XX
218 help
219 Say Y here if to include support for the watchdog timer
220 embedded in the Cirrus Logic EP93xx family of devices.
221
222 To compile this driver as a module, choose M here: the
223 module will be called ep93xx_wdt.
224
225config OMAP_WATCHDOG
226 tristate "OMAP Watchdog"
227 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
228 help
229 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
230 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
231
232config PNX4008_WATCHDOG
233 tristate "PNX4008 and LPC32XX Watchdog"
234 depends on ARCH_PNX4008 || ARCH_LPC32XX
235 help
236 Say Y here if to include support for the watchdog timer
237 in the PNX4008 or LPC32XX processor.
238 This driver can be built as a module by choosing M. The module
239 will be called pnx4008_wdt.
240
241 Say N if you are unsure.
242
243config IOP_WATCHDOG
244 tristate "IOP Watchdog"
245 depends on PLAT_IOP
246 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
247 help
248 Say Y here if to include support for the watchdog timer
249 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
250 be built as a module by choosing M. The module will
251 be called iop_wdt.
252
253 Note: The IOP13XX watchdog does an Internal Bus Reset which will
254 affect both cores and the peripherals of the IOP. The ATU-X
255 and/or ATUe configuration registers will remain intact, but if
256 operating as an Root Complex and/or Central Resource, the PCI-X
257 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
258
259config DAVINCI_WATCHDOG
260 tristate "DaVinci watchdog"
261 depends on ARCH_DAVINCI
262 help
263 Say Y here if to include support for the watchdog timer
264 in the DaVinci DM644x/DM646x processors.
265 To compile this driver as a module, choose M here: the
266 module will be called davinci_wdt.
267
268 NOTE: once enabled, this timer cannot be disabled.
269 Say N if you are unsure.
270
271config ORION_WATCHDOG
272 tristate "Orion watchdog"
273 depends on ARCH_ORION5X || ARCH_KIRKWOOD
274 help
275 Say Y here if to include support for the watchdog timer
276 in the Marvell Orion5x and Kirkwood ARM SoCs.
277 To compile this driver as a module, choose M here: the
278 module will be called orion_wdt.
279
280config COH901327_WATCHDOG
281 bool "ST-Ericsson COH 901 327 watchdog"
282 depends on ARCH_U300
283 default y if MACH_U300
284 help
285 Say Y here to include Watchdog timer support for the
286 watchdog embedded into the ST-Ericsson U300 series platforms.
287 This watchdog is used to reset the system and thus cannot be
288 compiled as a module.
289
290config TWL4030_WATCHDOG
291 tristate "TWL4030 Watchdog"
292 depends on TWL4030_CORE
293 help
294 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
295 watchdog timer support for TWL4030 chips.
296
297config STMP3XXX_WATCHDOG
298 tristate "Freescale STMP3XXX watchdog"
299 depends on ARCH_STMP3XXX
300 help
301 Say Y here if to include support for the watchdog timer
302 for the Sigmatel STMP37XX/378X SoC.
303 To compile this driver as a module, choose M here: the
304 module will be called stmp3xxx_wdt.
305
306config NUC900_WATCHDOG
307 tristate "Nuvoton NUC900 watchdog"
308 depends on ARCH_W90X900
309 help
310 Say Y here if to include support for the watchdog timer
311 for the Nuvoton NUC900 series SoCs.
312 To compile this driver as a module, choose M here: the
313 module will be called nuc900_wdt.
314
315config ADX_WATCHDOG
316 tristate "Avionic Design Xanthos watchdog"
317 depends on ARCH_PXA_ADX
318 help
319 Say Y here if you want support for the watchdog timer on Avionic
320 Design Xanthos boards.
321
322config TS72XX_WATCHDOG
323 tristate "TS-72XX SBC Watchdog"
324 depends on MACH_TS72XX
325 help
326 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
327 watchdog timer implemented in a external CPLD chip. Say Y here
328 if you want to support for the watchdog timer on TS-72XX boards.
329
330 To compile this driver as a module, choose M here: the
331 module will be called ts72xx_wdt.
332
333config MAX63XX_WATCHDOG
334 tristate "Max63xx watchdog"
335 depends on ARM && HAS_IOMEM
336 help
337 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
338
339config IMX2_WDT
340 tristate "IMX2+ Watchdog"
341 depends on IMX_HAVE_PLATFORM_IMX2_WDT
342 help
343 This is the driver for the hardware watchdog
344 on the Freescale IMX2 and later processors.
345 If you have one of these processors and wish to have
346 watchdog support enabled, say Y, otherwise say N.
347
348 To compile this driver as a module, choose M here: the
349 module will be called imx2_wdt.
350
351# AVR32 Architecture
352
353config AT32AP700X_WDT
354 tristate "AT32AP700x watchdog"
355 depends on CPU_AT32AP700X
356 help
357 Watchdog timer embedded into AT32AP700x devices. This will reboot
358 your system when the timeout is reached.
359
360# BLACKFIN Architecture
361
362config BFIN_WDT
363 tristate "Blackfin On-Chip Watchdog Timer"
364 depends on BLACKFIN
365 ---help---
366 If you say yes here you will get support for the Blackfin On-Chip
367 Watchdog Timer. If you have one of these processors and wish to
368 have watchdog support enabled, say Y, otherwise say N.
369
370 To compile this driver as a module, choose M here: the
371 module will be called bfin_wdt.
372
373# CRIS Architecture
374
375# FRV Architecture
376
377# H8300 Architecture
378
379# X86 (i386 + ia64 + x86_64) Architecture
380
381config ACQUIRE_WDT
382 tristate "Acquire SBC Watchdog Timer"
383 depends on X86
384 ---help---
385 This is the driver for the hardware watchdog on Single Board
386 Computers produced by Acquire Inc (and others). This watchdog
387 simply watches your kernel to make sure it doesn't freeze, and if
388 it does, it reboots your computer after a certain amount of time.
389
390 To compile this driver as a module, choose M here: the
391 module will be called acquirewdt.
392
393 Most people will say N.
394
395config ADVANTECH_WDT
396 tristate "Advantech SBC Watchdog Timer"
397 depends on X86
398 help
399 If you are configuring a Linux kernel for the Advantech single-board
400 computer, say `Y' here to support its built-in watchdog timer
401 feature. More information can be found at
402 <http://www.advantech.com.tw/products/>
403
404config ALIM1535_WDT
405 tristate "ALi M1535 PMU Watchdog Timer"
406 depends on X86 && PCI
407 ---help---
408 This is the driver for the hardware watchdog on the ALi M1535 PMU.
409
410 To compile this driver as a module, choose M here: the
411 module will be called alim1535_wdt.
412
413 Most people will say N.
414
415config ALIM7101_WDT
416 tristate "ALi M7101 PMU Computer Watchdog"
417 depends on PCI
418 help
419 This is the driver for the hardware watchdog on the ALi M7101 PMU
420 as used in the x86 Cobalt servers and also found in some
421 SPARC Netra servers too.
422
423 To compile this driver as a module, choose M here: the
424 module will be called alim7101_wdt.
425
426 Most people will say N.
427
428config F71808E_WDT
429 tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
430 depends on X86 && EXPERIMENTAL
431 help
432 This is the driver for the hardware watchdog on the Fintek
433 F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
434
435 You can compile this driver directly into the kernel, or use
436 it as a module. The module will be called f71808e_wdt.
437
438config SP5100_TCO
439 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
440 depends on X86 && PCI
441 ---help---
442 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
443 (Total Cost of Ownership) timer is a watchdog timer that will reboot
444 the machine after its expiration. The expiration time can be
445 configured with the "heartbeat" parameter.
446
447 To compile this driver as a module, choose M here: the
448 module will be called sp5100_tco.
449
450config GEODE_WDT
451 tristate "AMD Geode CS5535/CS5536 Watchdog"
452 depends on CS5535_MFGPT
453 help
454 This driver enables a watchdog capability built into the
455 CS5535/CS5536 companion chips for the AMD Geode GX and LX
456 processors. This watchdog watches your kernel to make sure
457 it doesn't freeze, and if it does, it reboots your computer after
458 a certain amount of time.
459
460 You can compile this driver directly into the kernel, or use
461 it as a module. The module will be called geodewdt.
462
463config SC520_WDT
464 tristate "AMD Elan SC520 processor Watchdog"
465 depends on X86
466 help
467 This is the driver for the hardware watchdog built in to the
468 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
469 This watchdog simply watches your kernel to make sure it doesn't
470 freeze, and if it does, it reboots your computer after a certain
471 amount of time.
472
473 You can compile this driver directly into the kernel, or use
474 it as a module. The module will be called sc520_wdt.
475
476config SBC_FITPC2_WATCHDOG
477 tristate "Compulab SBC-FITPC2 watchdog"
478 depends on X86
479 ---help---
480 This is the driver for the built-in watchdog timer on the fit-PC2,
481 fit-PC2i, CM-iAM single-board computers made by Compulab.
482
483 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
484 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
485
486 Entering BIOS setup temporary disables watchdog operation regardless to current state,
487 so system will not be restarted while user in BIOS setup.
488
489 Once watchdog was enabled the system will be restarted every
490 "Watchdog Timer Value" period, so to prevent it user can restart or
491 disable the watchdog.
492
493 To compile this driver as a module, choose M here: the
494 module will be called sbc_fitpc2_wdt.
495
496 Most people will say N.
497
498config EUROTECH_WDT
499 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
500 depends on X86
501 help
502 Enable support for the watchdog timer on the Eurotech CPU-1220 and
503 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
504 information are at <http://www.eurotech.it/>.
505
506config IB700_WDT
507 tristate "IB700 SBC Watchdog Timer"
508 depends on X86
509 ---help---
510 This is the driver for the hardware watchdog on the IB700 Single
511 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
512 simply watches your kernel to make sure it doesn't freeze, and if
513 it does, it reboots your computer after a certain amount of time.
514
515 This driver is like the WDT501 driver but for slightly different hardware.
516
517 To compile this driver as a module, choose M here: the
518 module will be called ib700wdt.
519
520 Most people will say N.
521
522config IBMASR
523 tristate "IBM Automatic Server Restart"
524 depends on X86
525 help
526 This is the driver for the IBM Automatic Server Restart watchdog
527 timer built-in into some eServer xSeries machines.
528
529 To compile this driver as a module, choose M here: the
530 module will be called ibmasr.
531
532config WAFER_WDT
533 tristate "ICP Single Board Computer Watchdog Timer"
534 depends on X86
535 help
536 This is a driver for the hardware watchdog on the ICP Single
537 Board Computer. This driver is working on (at least) the following
538 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
539
540 To compile this driver as a module, choose M here: the
541 module will be called wafer5823wdt.
542
543config I6300ESB_WDT
544 tristate "Intel 6300ESB Timer/Watchdog"
545 depends on X86 && PCI
546 ---help---
547 Hardware driver for the watchdog timer built into the Intel
548 6300ESB controller hub.
549
550 To compile this driver as a module, choose M here: the
551 module will be called i6300esb.
552
553config INTEL_SCU_WATCHDOG
554 bool "Intel SCU Watchdog for Mobile Platforms"
555 depends on X86_MRST
556 ---help---
557 Hardware driver for the watchdog time built into the Intel SCU
558 for Intel Mobile Platforms.
559
560 To compile this driver as a module, choose M here.
561
562config ITCO_WDT
563 tristate "Intel TCO Timer/Watchdog"
564 depends on (X86 || IA64) && PCI
565 ---help---
566 Hardware driver for the intel TCO timer based watchdog devices.
567 These drivers are included in the Intel 82801 I/O Controller
568 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
569 controller hub.
570
571 The TCO (Total Cost of Ownership) timer is a watchdog timer
572 that will reboot the machine after its second expiration. The
573 expiration time can be configured with the "heartbeat" parameter.
574
575 On some motherboards the driver may fail to reset the chipset's
576 NO_REBOOT flag which prevents the watchdog from rebooting the
577 machine. If this is the case you will get a kernel message like
578 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
579
580 To compile this driver as a module, choose M here: the
581 module will be called iTCO_wdt.
582
583config ITCO_VENDOR_SUPPORT
584 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
585 depends on ITCO_WDT
586 ---help---
587 Add vendor specific support to the intel TCO timer based watchdog
588 devices. At this moment we only have additional support for some
589 SuperMicro Inc. motherboards.
590
591config IT8712F_WDT
592 tristate "IT8712F (Smart Guardian) Watchdog Timer"
593 depends on X86
594 ---help---
595 This is the driver for the built-in watchdog timer on the IT8712F
596 Super I/0 chipset used on many motherboards.
597
598 If the driver does not work, then make sure that the game port in
599 the BIOS is enabled.
600
601 To compile this driver as a module, choose M here: the
602 module will be called it8712f_wdt.
603
604config IT87_WDT
605 tristate "IT87 Watchdog Timer"
606 depends on X86 && EXPERIMENTAL
607 ---help---
608 This is the driver for the hardware watchdog on the ITE IT8702,
609 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 Super I/O chips.
610 This watchdog simply watches your kernel to make sure it doesn't
611 freeze, and if it does, it reboots your computer after a certain
612 amount of time.
613
614 To compile this driver as a module, choose M here: the module will
615 be called it87_wdt.
616
617config HP_WATCHDOG
618 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
619 depends on X86 && PCI
620 help
621 A software monitoring watchdog and NMI sourcing driver. This driver
622 will detect lockups and provide a stack trace. This is a driver that
623 will only load on an HP ProLiant system with a minimum of iLO2 support.
624 To compile this driver as a module, choose M here: the module will be
625 called hpwdt.
626
627config HPWDT_NMI_DECODING
628 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
629 depends on HP_WATCHDOG
630 default y
631 help
632 When an NMI occurs this feature will make the necessary BIOS calls to
633 log the cause of the NMI.
634
635config SC1200_WDT
636 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
637 depends on X86
638 help
639 This is a driver for National Semiconductor PC87307/PC97307 hardware
640 watchdog cards as found on the SC1200. This watchdog is mainly used
641 for power management purposes and can be used to power down the device
642 during inactivity periods (includes interrupt activity monitoring).
643
644 To compile this driver as a module, choose M here: the
645 module will be called sc1200wdt.
646
647 Most people will say N.
648
649config SCx200_WDT
650 tristate "National Semiconductor SCx200 Watchdog"
651 depends on SCx200 && PCI
652 help
653 Enable the built-in watchdog timer support on the National
654 Semiconductor SCx200 processors.
655
656 If compiled as a module, it will be called scx200_wdt.
657
658config PC87413_WDT
659 tristate "NS PC87413 watchdog"
660 depends on X86
661 ---help---
662 This is the driver for the hardware watchdog on the PC87413 chipset
663 This watchdog simply watches your kernel to make sure it doesn't
664 freeze, and if it does, it reboots your computer after a certain
665 amount of time.
666
667 To compile this driver as a module, choose M here: the
668 module will be called pc87413_wdt.
669
670 Most people will say N.
671
672config NV_TCO
673 tristate "nVidia TCO Timer/Watchdog"
674 depends on X86 && PCI
675 ---help---
676 Hardware driver for the TCO timer built into the nVidia Hub family
677 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
678 watchdog timer that will reboot the machine after its second
679 expiration. The expiration time can be configured with the
680 "heartbeat" parameter.
681
682 On some motherboards the driver may fail to reset the chipset's
683 NO_REBOOT flag which prevents the watchdog from rebooting the
684 machine. If this is the case you will get a kernel message like
685 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
686
687 To compile this driver as a module, choose M here: the
688 module will be called nv_tco.
689
690config RDC321X_WDT
691 tristate "RDC R-321x SoC watchdog"
692 depends on X86_RDC321X
693 help
694 This is the driver for the built in hardware watchdog
695 in the RDC R-321x SoC.
696
697 To compile this driver as a module, choose M here: the
698 module will be called rdc321x_wdt.
699
700config 60XX_WDT
701 tristate "SBC-60XX Watchdog Timer"
702 depends on X86
703 help
704 This driver can be used with the watchdog timer found on some
705 single board computers, namely the 6010 PII based computer.
706 It may well work with other cards. It reads port 0x443 to enable
707 and re-set the watchdog timer, and reads port 0x45 to disable
708 the watchdog. If you have a card that behave in similar ways,
709 you can probably make this driver work with your card as well.
710
711 You can compile this driver directly into the kernel, or use
712 it as a module. The module will be called sbc60xxwdt.
713
714config SBC8360_WDT
715 tristate "SBC8360 Watchdog Timer"
716 depends on X86
717 ---help---
718
719 This is the driver for the hardware watchdog on the SBC8360 Single
720 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
721
722 To compile this driver as a module, choose M here: the
723 module will be called sbc8360.
724
725 Most people will say N.
726
727config SBC7240_WDT
728 tristate "SBC Nano 7240 Watchdog Timer"
729 depends on X86_32
730 ---help---
731 This is the driver for the hardware watchdog found on the IEI
732 single board computers EPIC Nano 7240 (and likely others). This
733 watchdog simply watches your kernel to make sure it doesn't freeze,
734 and if it does, it reboots your computer after a certain amount of
735 time.
736
737 To compile this driver as a module, choose M here: the
738 module will be called sbc7240_wdt.
739
740config CPU5_WDT
741 tristate "SMA CPU5 Watchdog"
742 depends on X86
743 ---help---
744 TBD.
745 To compile this driver as a module, choose M here: the
746 module will be called cpu5wdt.
747
748config SMSC_SCH311X_WDT
749 tristate "SMSC SCH311X Watchdog Timer"
750 depends on X86
751 ---help---
752 This is the driver for the hardware watchdog timer on the
753 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
754 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
755 serial ports).
756
757 To compile this driver as a module, choose M here: the
758 module will be called sch311x_wdt.
759
760config SMSC37B787_WDT
761 tristate "Winbond SMsC37B787 Watchdog Timer"
762 depends on X86
763 ---help---
764 This is the driver for the hardware watchdog component on the
765 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
766 from Vision Systems and maybe others.
767
768 This watchdog simply watches your kernel to make sure it doesn't
769 freeze, and if it does, it reboots your computer after a certain
770 amount of time.
771
772 Usually a userspace daemon will notify the kernel WDT driver that
773 userspace is still alive, at regular intervals.
774
775 To compile this driver as a module, choose M here: the
776 module will be called smsc37b787_wdt.
777
778 Most people will say N.
779
780config W83627HF_WDT
781 tristate "W83627HF/W83627DHG Watchdog Timer"
782 depends on X86
783 ---help---
784 This is the driver for the hardware watchdog on the W83627HF chipset
785 as used in Advantech PC-9578 and Tyan S2721-533 motherboards
786 (and likely others). The driver also supports the W83627DHG chip.
787 This watchdog simply watches your kernel to make sure it doesn't
788 freeze, and if it does, it reboots your computer after a certain
789 amount of time.
790
791 To compile this driver as a module, choose M here: the
792 module will be called w83627hf_wdt.
793
794 Most people will say N.
795
796config W83697HF_WDT
797 tristate "W83697HF/W83697HG Watchdog Timer"
798 depends on X86
799 ---help---
800 This is the driver for the hardware watchdog on the W83697HF/HG
801 chipset as used in Dedibox/VIA motherboards (and likely others).
802 This watchdog simply watches your kernel to make sure it doesn't
803 freeze, and if it does, it reboots your computer after a certain
804 amount of time.
805
806 To compile this driver as a module, choose M here: the
807 module will be called w83697hf_wdt.
808
809 Most people will say N.
810
811config W83697UG_WDT
812 tristate "W83697UG/W83697UF Watchdog Timer"
813 depends on X86
814 ---help---
815 This is the driver for the hardware watchdog on the W83697UG/UF
816 chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
817 This watchdog simply watches your kernel to make sure it doesn't
818 freeze, and if it does, it reboots your computer after a certain
819 amount of time.
820
821 To compile this driver as a module, choose M here: the
822 module will be called w83697ug_wdt.
823
824 Most people will say N.
825
826config W83877F_WDT
827 tristate "W83877F (EMACS) Watchdog Timer"
828 depends on X86
829 ---help---
830 This is the driver for the hardware watchdog on the W83877F chipset
831 as used in EMACS PC-104 motherboards (and likely others). This
832 watchdog simply watches your kernel to make sure it doesn't freeze,
833 and if it does, it reboots your computer after a certain amount of
834 time.
835
836 To compile this driver as a module, choose M here: the
837 module will be called w83877f_wdt.
838
839 Most people will say N.
840
841config W83977F_WDT
842 tristate "W83977F (PCM-5335) Watchdog Timer"
843 depends on X86
844 ---help---
845 This is the driver for the hardware watchdog on the W83977F I/O chip
846 as used in AAEON's PCM-5335 SBC (and likely others). This
847 watchdog simply watches your kernel to make sure it doesn't freeze,
848 and if it does, it reboots your computer after a certain amount of
849 time.
850
851 To compile this driver as a module, choose M here: the
852 module will be called w83977f_wdt.
853
854config MACHZ_WDT
855 tristate "ZF MachZ Watchdog"
856 depends on X86
857 ---help---
858 If you are using a ZF Micro MachZ processor, say Y here, otherwise
859 N. This is the driver for the watchdog timer built-in on that
860 processor using ZF-Logic interface. This watchdog simply watches
861 your kernel to make sure it doesn't freeze, and if it does, it
862 reboots your computer after a certain amount of time.
863
864 To compile this driver as a module, choose M here: the
865 module will be called machzwd.
866
867config SBC_EPX_C3_WATCHDOG
868 tristate "Winsystems SBC EPX-C3 watchdog"
869 depends on X86
870 ---help---
871 This is the driver for the built-in watchdog timer on the EPX-C3
872 Single-board computer made by Winsystems, Inc.
873
874 *Note*: This hardware watchdog is not probeable and thus there
875 is no way to know if writing to its IO address will corrupt
876 your system or have any real effect. The only way to be sure
877 that this driver does what you want is to make sure you
878 are running it on an EPX-C3 from Winsystems with the watchdog
879 timer at IO address 0x1ee and 0x1ef. It will write to both those
880 IO ports. Basically, the assumption is made that if you compile
881 this driver into your kernel and/or load it as a module, that you
882 know what you are doing and that you are in fact running on an
883 EPX-C3 board!
884
885 To compile this driver as a module, choose M here: the
886 module will be called sbc_epx_c3.
887
888# M32R Architecture
889
890# M68K Architecture
891
892config M54xx_WATCHDOG
893 tristate "MCF54xx watchdog support"
894 depends on M548x
895 help
896 To compile this driver as a module, choose M here: the
897 module will be called m54xx_wdt.
898
899# MicroBlaze Architecture
900
901config XILINX_WATCHDOG
902 tristate "Xilinx Watchdog timer"
903 depends on MICROBLAZE
904 ---help---
905 Watchdog driver for the xps_timebase_wdt ip core.
906
907 IMPORTANT: The xps_timebase_wdt parent must have the property
908 "clock-frequency" at device tree.
909
910 To compile this driver as a module, choose M here: the
911 module will be called of_xilinx_wdt.
912
913# MIPS Architecture
914
915config ATH79_WDT
916 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
917 depends on ATH79
918 help
919 Hardware driver for the built-in watchdog timer on the Atheros
920 AR71XX/AR724X/AR913X SoCs.
921
922config BCM47XX_WDT
923 tristate "Broadcom BCM47xx Watchdog Timer"
924 depends on BCM47XX
925 help
926 Hardware driver for the Broadcom BCM47xx Watchog Timer.
927
928config RC32434_WDT
929 tristate "IDT RC32434 SoC Watchdog Timer"
930 depends on MIKROTIK_RB532
931 help
932 Hardware driver for the IDT RC32434 SoC built-in
933 watchdog timer.
934
935 To compile this driver as a module, choose M here: the
936 module will be called rc32434_wdt.
937
938config INDYDOG
939 tristate "Indy/I2 Hardware Watchdog"
940 depends on SGI_HAS_INDYDOG
941 help
942 Hardware driver for the Indy's/I2's watchdog. This is a
943 watchdog timer that will reboot the machine after a 60 second
944 timer expired and no process has written to /dev/watchdog during
945 that time.
946
947config JZ4740_WDT
948 tristate "Ingenic jz4740 SoC hardware watchdog"
949 depends on MACH_JZ4740
950 help
951 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
952
953config WDT_MTX1
954 tristate "MTX-1 Hardware Watchdog"
955 depends on MIPS_MTX1
956 help
957 Hardware driver for the MTX-1 boards. This is a watchdog timer that
958 will reboot the machine after a 100 seconds timer expired.
959
960config PNX833X_WDT
961 tristate "PNX833x Hardware Watchdog"
962 depends on SOC_PNX8335
963 help
964 Hardware driver for the PNX833x's watchdog. This is a
965 watchdog timer that will reboot the machine after a programmable
966 timer has expired and no process has written to /dev/watchdog during
967 that time.
968
969config SIBYTE_WDOG
970 tristate "Sibyte SoC hardware watchdog"
971 depends on CPU_SB1
972 help
973 Watchdog driver for the built in watchdog hardware in Sibyte
974 SoC processors. There are apparently two watchdog timers
975 on such processors; this driver supports only the first one,
976 because currently Linux only supports exporting one watchdog
977 to userspace.
978
979 To compile this driver as a loadable module, choose M here.
980 The module will be called sb_wdog.
981
982config AR7_WDT
983 tristate "TI AR7 Watchdog Timer"
984 depends on AR7
985 help
986 Hardware driver for the TI AR7 Watchdog Timer.
987
988config TXX9_WDT
989 tristate "Toshiba TXx9 Watchdog Timer"
990 depends on CPU_TX39XX || CPU_TX49XX
991 help
992 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
993
994config OCTEON_WDT
995 tristate "Cavium OCTEON SOC family Watchdog Timer"
996 depends on CPU_CAVIUM_OCTEON
997 default y
998 select EXPORT_UASM if OCTEON_WDT = m
999 help
1000 Hardware driver for OCTEON's on chip watchdog timer.
1001 Enables the watchdog for all cores running Linux. It
1002 installs a NMI handler and pokes the watchdog based on an
1003 interrupt. On first expiration of the watchdog, the
1004 interrupt handler pokes it. The second expiration causes an
1005 NMI that prints a message. The third expiration causes a
1006 global soft reset.
1007
1008 When userspace has /dev/watchdog open, no poking is done
1009 from the first interrupt, it is then only poked when the
1010 device is written.
1011
1012config BCM63XX_WDT
1013 tristate "Broadcom BCM63xx hardware watchdog"
1014 depends on BCM63XX
1015 help
1016 Watchdog driver for the built in watchdog hardware in Broadcom
1017 BCM63xx SoC.
1018
1019 To compile this driver as a loadable module, choose M here.
1020 The module will be called bcm63xx_wdt.
1021
1022config LANTIQ_WDT
1023 tristate "Lantiq SoC watchdog"
1024 depends on LANTIQ
1025 help
1026 Hardware driver for the Lantiq SoC Watchdog Timer.
1027
1028# PARISC Architecture
1029
1030# POWERPC Architecture
1031
1032config GEF_WDT
1033 tristate "GE Watchdog Timer"
1034 depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
1035 ---help---
1036 Watchdog timer found in a number of GE single board computers.
1037
1038config MPC5200_WDT
1039 bool "MPC52xx Watchdog Timer"
1040 depends on PPC_MPC52xx
1041 help
1042 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1043
1044config 8xxx_WDT
1045 tristate "MPC8xxx Platform Watchdog Timer"
1046 depends on PPC_8xx || PPC_83xx || PPC_86xx
1047 help
1048 This driver is for a SoC level watchdog that exists on some
1049 Freescale PowerPC processors. So far this driver supports:
1050 - MPC8xx watchdogs
1051 - MPC83xx watchdogs
1052 - MPC86xx watchdogs
1053
1054 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1055
1056config MV64X60_WDT
1057 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1058 depends on MV64X60
1059
1060config PIKA_WDT
1061 tristate "PIKA FPGA Watchdog"
1062 depends on WARP
1063 default y
1064 help
1065 This enables the watchdog in the PIKA FPGA. Currently used on
1066 the Warp platform.
1067
1068config BOOKE_WDT
1069 tristate "PowerPC Book-E Watchdog Timer"
1070 depends on BOOKE || 4xx
1071 ---help---
1072 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1073 MPC85xx SOCs and the IBM PowerPC 440.
1074
1075 Please see Documentation/watchdog/watchdog-api.txt for
1076 more information.
1077
1078config BOOKE_WDT_DEFAULT_TIMEOUT
1079 int "PowerPC Book-E Watchdog Timer Default Timeout"
1080 depends on BOOKE_WDT
1081 default 38 if FSL_BOOKE
1082 range 0 63 if FSL_BOOKE
1083 default 3 if !FSL_BOOKE
1084 range 0 3 if !FSL_BOOKE
1085 help
1086 Select the default watchdog timer period to be used by the PowerPC
1087 Book-E watchdog driver. A watchdog "event" occurs when the bit
1088 position represented by this number transitions from zero to one.
1089
1090 For Freescale Book-E processors, this is a number between 0 and 63.
1091 For other Book-E processors, this is a number between 0 and 3.
1092
1093 The value can be overidden by the wdt_period command-line parameter.
1094
1095# PPC64 Architecture
1096
1097config WATCHDOG_RTAS
1098 tristate "RTAS watchdog"
1099 depends on PPC_RTAS
1100 help
1101 This driver adds watchdog support for the RTAS watchdog.
1102
1103 To compile this driver as a module, choose M here. The module
1104 will be called wdrtas.
1105
1106# S390 Architecture
1107
1108config ZVM_WATCHDOG
1109 tristate "z/VM Watchdog Timer"
1110 depends on S390
1111 help
1112 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1113 provide a virtual watchdog timer to their guest that cause a
1114 user define Control Program command to be executed after a
1115 timeout.
1116
1117 To compile this driver as a module, choose M here. The module
1118 will be called vmwatchdog.
1119
1120# SUPERH (sh + sh64) Architecture
1121
1122config SH_WDT
1123 tristate "SuperH Watchdog"
1124 depends on SUPERH && (CPU_SH3 || CPU_SH4)
1125 help
1126 This driver adds watchdog support for the integrated watchdog in the
1127 SuperH processors. If you have one of these processors and wish
1128 to have watchdog support enabled, say Y, otherwise say N.
1129
1130 As a side note, saying Y here will automatically boost HZ to 1000
1131 so that the timer has a chance to clear the overflow counter. On
1132 slower systems (such as the SH-2 and SH-3) this will likely yield
1133 some performance issues. As such, the WDT should be avoided here
1134 unless it is absolutely necessary.
1135
1136 To compile this driver as a module, choose M here: the
1137 module will be called shwdt.
1138
1139# SPARC Architecture
1140
1141# SPARC64 Architecture
1142
1143config WATCHDOG_CP1XXX
1144 tristate "CP1XXX Hardware Watchdog support"
1145 depends on SPARC64 && PCI
1146 ---help---
1147 This is the driver for the hardware watchdog timers present on
1148 Sun Microsystems CompactPCI models CP1400 and CP1500.
1149
1150 To compile this driver as a module, choose M here: the
1151 module will be called cpwatchdog.
1152
1153 If you do not have a CompactPCI model CP1400 or CP1500, or
1154 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1155 you should say N to this option.
1156
1157config WATCHDOG_RIO
1158 tristate "RIO Hardware Watchdog support"
1159 depends on SPARC64 && PCI
1160 help
1161 Say Y here to support the hardware watchdog capability on Sun RIO
1162 machines. The watchdog timeout period is normally one minute but
1163 can be changed with a boot-time parameter.
1164
1165# XTENSA Architecture
1166
1167# Xen Architecture
1168
1169config XEN_WDT
1170 tristate "Xen Watchdog support"
1171 depends on XEN
1172 help
1173 Say Y here to support the hypervisor watchdog capability provided
1174 by Xen 4.0 and newer. The watchdog timeout period is normally one
1175 minute but can be changed with a boot-time parameter.
1176
1177#
1178# ISA-based Watchdog Cards
1179#
1180
1181comment "ISA-based Watchdog Cards"
1182 depends on ISA
1183
1184config PCWATCHDOG
1185 tristate "Berkshire Products ISA-PC Watchdog"
1186 depends on ISA
1187 ---help---
1188 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1189 This card simply watches your kernel to make sure it doesn't freeze,
1190 and if it does, it reboots your computer after a certain amount of
1191 time. This driver is like the WDT501 driver but for different
1192 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1193 watchdog cards can be ordered from <http://www.berkprod.com/>.
1194
1195 To compile this driver as a module, choose M here: the
1196 module will be called pcwd.
1197
1198 Most people will say N.
1199
1200config MIXCOMWD
1201 tristate "Mixcom Watchdog"
1202 depends on ISA
1203 ---help---
1204 This is a driver for the Mixcom hardware watchdog cards. This
1205 watchdog simply watches your kernel to make sure it doesn't freeze,
1206 and if it does, it reboots your computer after a certain amount of
1207 time.
1208
1209 To compile this driver as a module, choose M here: the
1210 module will be called mixcomwd.
1211
1212 Most people will say N.
1213
1214config WDT
1215 tristate "WDT Watchdog timer"
1216 depends on ISA
1217 ---help---
1218 If you have a WDT500P or WDT501P watchdog board, say Y here,
1219 otherwise N. It is not possible to probe for this board, which means
1220 that you have to inform the kernel about the IO port and IRQ that
1221 is needed (you can do this via the io and irq parameters)
1222
1223 To compile this driver as a module, choose M here: the
1224 module will be called wdt.
1225
1226#
1227# PCI-based Watchdog Cards
1228#
1229
1230comment "PCI-based Watchdog Cards"
1231 depends on PCI
1232
1233config PCIPCWATCHDOG
1234 tristate "Berkshire Products PCI-PC Watchdog"
1235 depends on PCI
1236 ---help---
1237 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1238 This card simply watches your kernel to make sure it doesn't freeze,
1239 and if it does, it reboots your computer after a certain amount of
1240 time. The card can also monitor the internal temperature of the PC.
1241 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1242
1243 To compile this driver as a module, choose M here: the
1244 module will be called pcwd_pci.
1245
1246 Most people will say N.
1247
1248config WDTPCI
1249 tristate "PCI-WDT500/501 Watchdog timer"
1250 depends on PCI
1251 ---help---
1252 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1253
1254 If you have a PCI-WDT501 watchdog board then you can enable the
1255 temperature sensor by setting the type parameter to 501.
1256
1257 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1258 can do this via the tachometer parameter. Only do this if you have a
1259 fan tachometer actually set up.
1260
1261 To compile this driver as a module, choose M here: the
1262 module will be called wdt_pci.
1263
1264#
1265# USB-based Watchdog Cards
1266#
1267
1268comment "USB-based Watchdog Cards"
1269 depends on USB
1270
1271config USBPCWATCHDOG
1272 tristate "Berkshire Products USB-PC Watchdog"
1273 depends on USB
1274 ---help---
1275 This is the driver for the Berkshire Products USB-PC Watchdog card.
1276 This card simply watches your kernel to make sure it doesn't freeze,
1277 and if it does, it reboots your computer after a certain amount of
1278 time. The card can also monitor the internal temperature of the PC.
1279 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1280
1281 To compile this driver as a module, choose M here: the
1282 module will be called pcwd_usb.
1283
1284 Most people will say N.
1285
1286endif # WATCHDOG
1#
2# Watchdog device configuration
3#
4
5menuconfig WATCHDOG
6 bool "Watchdog Timer Support"
7 ---help---
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.
20
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
25 table is full.
26
27 If unsure, say N.
28
29if WATCHDOG
30
31config WATCHDOG_CORE
32 bool "WatchDog Timer Driver Core"
33 ---help---
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
37 sysfs interface).
38
39config WATCHDOG_NOWAYOUT
40 bool "Disable watchdog shutdown on close"
41 help
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
46 it has been started.
47
48#
49# General Watchdog drivers
50#
51
52comment "Watchdog Device Drivers"
53
54# Architecture Independent
55
56config SOFT_WATCHDOG
57 tristate "Software watchdog"
58 select WATCHDOG_CORE
59 help
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.
63
64 To compile this driver as a module, choose M here: the
65 module will be called softdog.
66
67config DA9052_WATCHDOG
68 tristate "Dialog DA9052 Watchdog"
69 depends on PMIC_DA9052
70 select WATCHDOG_CORE
71 help
72 Support for the watchdog in the DA9052 PMIC. Watchdog trigger
73 cause system reset.
74
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.
78
79config DA9055_WATCHDOG
80 tristate "Dialog Semiconductor DA9055 Watchdog"
81 depends on MFD_DA9055
82 select WATCHDOG_CORE
83 help
84 If you say yes here you get support for watchdog on the Dialog
85 Semiconductor DA9055 PMIC.
86
87 This driver can also be built as a module. If so, the module
88 will be called da9055_wdt.
89
90config GPIO_WATCHDOG
91 tristate "Watchdog device controlled through GPIO-line"
92 depends on OF_GPIO
93 select WATCHDOG_CORE
94 help
95 If you say yes here you get support for watchdog device
96 controlled through GPIO-line.
97
98config WM831X_WATCHDOG
99 tristate "WM831x watchdog"
100 depends on MFD_WM831X
101 select WATCHDOG_CORE
102 help
103 Support for the watchdog in the WM831x AudioPlus PMICs. When
104 the watchdog triggers the system will be reset.
105
106config WM8350_WATCHDOG
107 tristate "WM8350 watchdog"
108 depends on MFD_WM8350
109 select WATCHDOG_CORE
110 help
111 Support for the watchdog in the WM8350 AudioPlus PMIC. When
112 the watchdog triggers the system will be reset.
113
114config XILINX_WATCHDOG
115 tristate "Xilinx Watchdog timer"
116 select WATCHDOG_CORE
117 help
118 Watchdog driver for the xps_timebase_wdt ip core.
119
120 To compile this driver as a module, choose M here: the
121 module will be called of_xilinx_wdt.
122
123# ALPHA Architecture
124
125# ARM Architecture
126
127config ARM_SP805_WATCHDOG
128 tristate "ARM SP805 Watchdog"
129 depends on (ARM || ARM64) && ARM_AMBA
130 select WATCHDOG_CORE
131 help
132 ARM Primecell SP805 Watchdog timer. This will reboot your system when
133 the timeout is reached.
134
135config AT91RM9200_WATCHDOG
136 tristate "AT91RM9200 watchdog"
137 depends on ARCH_AT91RM9200
138 help
139 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
140 system when the timeout is reached.
141
142config AT91SAM9X_WATCHDOG
143 tristate "AT91SAM9X / AT91CAP9 watchdog"
144 depends on ARCH_AT91 && !ARCH_AT91RM9200
145 select WATCHDOG_CORE
146 help
147 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
148 reboot your system when the timeout is reached.
149
150config 21285_WATCHDOG
151 tristate "DC21285 watchdog"
152 depends on FOOTBRIDGE
153 help
154 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
155 here if you wish to use this. Alternatively say M to compile the
156 driver as a module, which will be called wdt285.
157
158 This driver does not work on all machines. In particular, early CATS
159 boards have hardware problems that will cause the machine to simply
160 lock up if the watchdog fires.
161
162 "If in doubt, leave it out" - say N.
163
164config 977_WATCHDOG
165 tristate "NetWinder WB83C977 watchdog"
166 depends on FOOTBRIDGE && ARCH_NETWINDER
167 help
168 Say Y here to include support for the WB977 watchdog included in
169 NetWinder machines. Alternatively say M to compile the driver as
170 a module, which will be called wdt977.
171
172 Not sure? It's safe to say N.
173
174config IXP4XX_WATCHDOG
175 tristate "IXP4xx Watchdog"
176 depends on ARCH_IXP4XX
177 help
178 Say Y here if to include support for the watchdog timer
179 in the Intel IXP4xx network processors. This driver can
180 be built as a module by choosing M. The module will
181 be called ixp4xx_wdt.
182
183 Note: The internal IXP4xx watchdog does a soft CPU reset
184 which doesn't reset any peripherals. There are circumstances
185 where the watchdog will fail to reset the board correctly
186 (e.g., if the boot ROM is in an unreadable state).
187
188 Say N if you are unsure.
189
190config KS8695_WATCHDOG
191 tristate "KS8695 watchdog"
192 depends on ARCH_KS8695
193 help
194 Watchdog timer embedded into KS8695 processor. This will reboot your
195 system when the timeout is reached.
196
197config HAVE_S3C2410_WATCHDOG
198 bool
199 help
200 This will include watchdog timer support for Samsung SoCs. If
201 you want to include watchdog support for any machine, kindly
202 select this in the respective mach-XXXX/Kconfig file.
203
204config S3C2410_WATCHDOG
205 tristate "S3C2410 Watchdog"
206 depends on HAVE_S3C2410_WATCHDOG
207 select WATCHDOG_CORE
208 select MFD_SYSCON if ARCH_EXYNOS5
209 help
210 Watchdog timer block in the Samsung SoCs. This will reboot
211 the system when the timer expires with the watchdog enabled.
212
213 The driver is limited by the speed of the system's PCLK
214 signal, so with reasonably fast systems (PCLK around 50-66MHz)
215 then watchdog intervals of over approximately 20seconds are
216 unavailable.
217
218 The driver can be built as a module by choosing M, and will
219 be called s3c2410_wdt
220
221config SA1100_WATCHDOG
222 tristate "SA1100/PXA2xx watchdog"
223 depends on ARCH_SA1100 || ARCH_PXA
224 help
225 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
226 reboot your system when timeout is reached.
227
228 NOTE: once enabled, this timer cannot be disabled.
229
230 To compile this driver as a module, choose M here: the
231 module will be called sa1100_wdt.
232
233config DW_WATCHDOG
234 tristate "Synopsys DesignWare watchdog"
235 depends on HAS_IOMEM
236 help
237 Say Y here if to include support for the Synopsys DesignWare
238 watchdog timer found in many chips.
239 To compile this driver as a module, choose M here: the
240 module will be called dw_wdt.
241
242config EP93XX_WATCHDOG
243 tristate "EP93xx Watchdog"
244 depends on ARCH_EP93XX
245 select WATCHDOG_CORE
246 help
247 Say Y here if to include support for the watchdog timer
248 embedded in the Cirrus Logic EP93xx family of devices.
249
250 To compile this driver as a module, choose M here: the
251 module will be called ep93xx_wdt.
252
253config OMAP_WATCHDOG
254 tristate "OMAP Watchdog"
255 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
256 select WATCHDOG_CORE
257 help
258 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
259 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
260
261config PNX4008_WATCHDOG
262 tristate "LPC32XX Watchdog"
263 depends on ARCH_LPC32XX
264 select WATCHDOG_CORE
265 help
266 Say Y here if to include support for the watchdog timer
267 in the LPC32XX processor.
268 This driver can be built as a module by choosing M. The module
269 will be called pnx4008_wdt.
270
271 Say N if you are unsure.
272
273config IOP_WATCHDOG
274 tristate "IOP Watchdog"
275 depends on PLAT_IOP
276 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
277 help
278 Say Y here if to include support for the watchdog timer
279 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
280 be built as a module by choosing M. The module will
281 be called iop_wdt.
282
283 Note: The IOP13XX watchdog does an Internal Bus Reset which will
284 affect both cores and the peripherals of the IOP. The ATU-X
285 and/or ATUe configuration registers will remain intact, but if
286 operating as an Root Complex and/or Central Resource, the PCI-X
287 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
288
289config DAVINCI_WATCHDOG
290 tristate "DaVinci watchdog"
291 depends on ARCH_DAVINCI || ARCH_KEYSTONE
292 select WATCHDOG_CORE
293 help
294 Say Y here if to include support for the watchdog timer
295 in the DaVinci DM644x/DM646x or Keystone processors.
296 To compile this driver as a module, choose M here: the
297 module will be called davinci_wdt.
298
299 NOTE: once enabled, this timer cannot be disabled.
300 Say N if you are unsure.
301
302config ORION_WATCHDOG
303 tristate "Orion watchdog"
304 depends on ARCH_ORION5X || ARCH_KIRKWOOD || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU
305 select WATCHDOG_CORE
306 help
307 Say Y here if to include support for the watchdog timer
308 in the Marvell Orion5x and Kirkwood ARM SoCs.
309 To compile this driver as a module, choose M here: the
310 module will be called orion_wdt.
311
312config SUNXI_WATCHDOG
313 tristate "Allwinner SoCs watchdog support"
314 depends on ARCH_SUNXI
315 select WATCHDOG_CORE
316 help
317 Say Y here to include support for the watchdog timer
318 in Allwinner SoCs.
319 To compile this driver as a module, choose M here: the
320 module will be called sunxi_wdt.
321
322config COH901327_WATCHDOG
323 bool "ST-Ericsson COH 901 327 watchdog"
324 depends on ARCH_U300
325 default y if MACH_U300
326 select WATCHDOG_CORE
327 help
328 Say Y here to include Watchdog timer support for the
329 watchdog embedded into the ST-Ericsson U300 series platforms.
330 This watchdog is used to reset the system and thus cannot be
331 compiled as a module.
332
333config TWL4030_WATCHDOG
334 tristate "TWL4030 Watchdog"
335 depends on TWL4030_CORE
336 select WATCHDOG_CORE
337 help
338 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
339 watchdog timer support for TWL4030 chips.
340
341config STMP3XXX_RTC_WATCHDOG
342 tristate "Freescale STMP3XXX & i.MX23/28 watchdog"
343 depends on RTC_DRV_STMP
344 select WATCHDOG_CORE
345 help
346 Say Y here to include support for the watchdog timer inside
347 the RTC for the STMP37XX/378X or i.MX23/28 SoC.
348 To compile this driver as a module, choose M here: the
349 module will be called stmp3xxx_rtc_wdt.
350
351config NUC900_WATCHDOG
352 tristate "Nuvoton NUC900 watchdog"
353 depends on ARCH_W90X900
354 help
355 Say Y here if to include support for the watchdog timer
356 for the Nuvoton NUC900 series SoCs.
357 To compile this driver as a module, choose M here: the
358 module will be called nuc900_wdt.
359
360config TS72XX_WATCHDOG
361 tristate "TS-72XX SBC Watchdog"
362 depends on MACH_TS72XX
363 help
364 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
365 watchdog timer implemented in a external CPLD chip. Say Y here
366 if you want to support for the watchdog timer on TS-72XX boards.
367
368 To compile this driver as a module, choose M here: the
369 module will be called ts72xx_wdt.
370
371config MAX63XX_WATCHDOG
372 tristate "Max63xx watchdog"
373 depends on ARM && HAS_IOMEM
374 select WATCHDOG_CORE
375 help
376 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
377
378config IMX2_WDT
379 tristate "IMX2+ Watchdog"
380 depends on ARCH_MXC
381 help
382 This is the driver for the hardware watchdog
383 on the Freescale IMX2 and later processors.
384 If you have one of these processors and wish to have
385 watchdog support enabled, say Y, otherwise say N.
386
387 To compile this driver as a module, choose M here: the
388 module will be called imx2_wdt.
389
390config UX500_WATCHDOG
391 tristate "ST-Ericsson Ux500 watchdog"
392 depends on MFD_DB8500_PRCMU
393 select WATCHDOG_CORE
394 default y
395 help
396 Say Y here to include Watchdog timer support for the watchdog
397 existing in the prcmu of ST-Ericsson Ux500 series platforms.
398
399 To compile this driver as a module, choose M here: the
400 module will be called ux500_wdt.
401
402config RETU_WATCHDOG
403 tristate "Retu watchdog"
404 depends on MFD_RETU
405 select WATCHDOG_CORE
406 help
407 Retu watchdog driver for Nokia Internet Tablets (770, N800,
408 N810). At least on N800 the watchdog cannot be disabled, so
409 this driver is essential and you should enable it.
410
411 To compile this driver as a module, choose M here: the
412 module will be called retu_wdt.
413
414config MOXART_WDT
415 tristate "MOXART watchdog"
416 depends on ARCH_MOXART
417 help
418 Say Y here to include Watchdog timer support for the watchdog
419 existing on the MOXA ART SoC series platforms.
420
421 To compile this driver as a module, choose M here: the
422 module will be called moxart_wdt.
423
424config SIRFSOC_WATCHDOG
425 tristate "SiRFSOC watchdog"
426 depends on ARCH_SIRF
427 select WATCHDOG_CORE
428 default y
429 help
430 Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
431 the watchdog triggers the system will be reset.
432
433config TEGRA_WATCHDOG
434 tristate "Tegra watchdog"
435 depends on ARCH_TEGRA || COMPILE_TEST
436 select WATCHDOG_CORE
437 help
438 Say Y here to include support for the watchdog timer
439 embedded in NVIDIA Tegra SoCs.
440
441 To compile this driver as a module, choose M here: the
442 module will be called tegra_wdt.
443
444# AVR32 Architecture
445
446config AT32AP700X_WDT
447 tristate "AT32AP700x watchdog"
448 depends on CPU_AT32AP700X
449 help
450 Watchdog timer embedded into AT32AP700x devices. This will reboot
451 your system when the timeout is reached.
452
453# BLACKFIN Architecture
454
455config BFIN_WDT
456 tristate "Blackfin On-Chip Watchdog Timer"
457 depends on BLACKFIN
458 ---help---
459 If you say yes here you will get support for the Blackfin On-Chip
460 Watchdog Timer. If you have one of these processors and wish to
461 have watchdog support enabled, say Y, otherwise say N.
462
463 To compile this driver as a module, choose M here: the
464 module will be called bfin_wdt.
465
466# CRIS Architecture
467
468# FRV Architecture
469
470# X86 (i386 + ia64 + x86_64) Architecture
471
472config ACQUIRE_WDT
473 tristate "Acquire SBC Watchdog Timer"
474 depends on X86
475 ---help---
476 This is the driver for the hardware watchdog on Single Board
477 Computers produced by Acquire Inc (and others). This watchdog
478 simply watches your kernel to make sure it doesn't freeze, and if
479 it does, it reboots your computer after a certain amount of time.
480
481 To compile this driver as a module, choose M here: the
482 module will be called acquirewdt.
483
484 Most people will say N.
485
486config ADVANTECH_WDT
487 tristate "Advantech SBC Watchdog Timer"
488 depends on X86
489 help
490 If you are configuring a Linux kernel for the Advantech single-board
491 computer, say `Y' here to support its built-in watchdog timer
492 feature. More information can be found at
493 <http://www.advantech.com.tw/products/>
494
495config ALIM1535_WDT
496 tristate "ALi M1535 PMU Watchdog Timer"
497 depends on X86 && PCI
498 ---help---
499 This is the driver for the hardware watchdog on the ALi M1535 PMU.
500
501 To compile this driver as a module, choose M here: the
502 module will be called alim1535_wdt.
503
504 Most people will say N.
505
506config ALIM7101_WDT
507 tristate "ALi M7101 PMU Computer Watchdog"
508 depends on PCI
509 help
510 This is the driver for the hardware watchdog on the ALi M7101 PMU
511 as used in the x86 Cobalt servers and also found in some
512 SPARC Netra servers too.
513
514 To compile this driver as a module, choose M here: the
515 module will be called alim7101_wdt.
516
517 Most people will say N.
518
519config F71808E_WDT
520 tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
521 depends on X86
522 help
523 This is the driver for the hardware watchdog on the Fintek
524 F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
525
526 You can compile this driver directly into the kernel, or use
527 it as a module. The module will be called f71808e_wdt.
528
529config SP5100_TCO
530 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
531 depends on X86 && PCI
532 ---help---
533 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
534 (Total Cost of Ownership) timer is a watchdog timer that will reboot
535 the machine after its expiration. The expiration time can be
536 configured with the "heartbeat" parameter.
537
538 To compile this driver as a module, choose M here: the
539 module will be called sp5100_tco.
540
541config GEODE_WDT
542 tristate "AMD Geode CS5535/CS5536 Watchdog"
543 depends on CS5535_MFGPT
544 help
545 This driver enables a watchdog capability built into the
546 CS5535/CS5536 companion chips for the AMD Geode GX and LX
547 processors. This watchdog watches your kernel to make sure
548 it doesn't freeze, and if it does, it reboots your computer after
549 a certain amount of time.
550
551 You can compile this driver directly into the kernel, or use
552 it as a module. The module will be called geodewdt.
553
554config SC520_WDT
555 tristate "AMD Elan SC520 processor Watchdog"
556 depends on MELAN
557 help
558 This is the driver for the hardware watchdog built in to the
559 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
560 This watchdog simply watches your kernel to make sure it doesn't
561 freeze, and if it does, it reboots your computer after a certain
562 amount of time.
563
564 You can compile this driver directly into the kernel, or use
565 it as a module. The module will be called sc520_wdt.
566
567config SBC_FITPC2_WATCHDOG
568 tristate "Compulab SBC-FITPC2 watchdog"
569 depends on X86
570 ---help---
571 This is the driver for the built-in watchdog timer on the fit-PC2,
572 fit-PC2i, CM-iAM single-board computers made by Compulab.
573
574 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
575 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
576
577 Entering BIOS setup temporary disables watchdog operation regardless to current state,
578 so system will not be restarted while user in BIOS setup.
579
580 Once watchdog was enabled the system will be restarted every
581 "Watchdog Timer Value" period, so to prevent it user can restart or
582 disable the watchdog.
583
584 To compile this driver as a module, choose M here: the
585 module will be called sbc_fitpc2_wdt.
586
587 Most people will say N.
588
589config EUROTECH_WDT
590 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
591 depends on X86
592 help
593 Enable support for the watchdog timer on the Eurotech CPU-1220 and
594 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
595 information are at <http://www.eurotech.it/>.
596
597config IB700_WDT
598 tristate "IB700 SBC Watchdog Timer"
599 depends on X86
600 ---help---
601 This is the driver for the hardware watchdog on the IB700 Single
602 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
603 simply watches your kernel to make sure it doesn't freeze, and if
604 it does, it reboots your computer after a certain amount of time.
605
606 This driver is like the WDT501 driver but for slightly different hardware.
607
608 To compile this driver as a module, choose M here: the
609 module will be called ib700wdt.
610
611 Most people will say N.
612
613config IBMASR
614 tristate "IBM Automatic Server Restart"
615 depends on X86
616 help
617 This is the driver for the IBM Automatic Server Restart watchdog
618 timer built-in into some eServer xSeries machines.
619
620 To compile this driver as a module, choose M here: the
621 module will be called ibmasr.
622
623config WAFER_WDT
624 tristate "ICP Single Board Computer Watchdog Timer"
625 depends on X86
626 help
627 This is a driver for the hardware watchdog on the ICP Single
628 Board Computer. This driver is working on (at least) the following
629 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
630
631 To compile this driver as a module, choose M here: the
632 module will be called wafer5823wdt.
633
634config I6300ESB_WDT
635 tristate "Intel 6300ESB Timer/Watchdog"
636 depends on PCI
637 ---help---
638 Hardware driver for the watchdog timer built into the Intel
639 6300ESB controller hub.
640
641 To compile this driver as a module, choose M here: the
642 module will be called i6300esb.
643
644config IE6XX_WDT
645 tristate "Intel Atom E6xx Watchdog"
646 depends on X86 && PCI
647 select WATCHDOG_CORE
648 select MFD_CORE
649 select LPC_SCH
650 ---help---
651 Hardware driver for the watchdog timer built into the Intel
652 Atom E6XX (TunnelCreek) processor.
653
654 To compile this driver as a module, choose M here: the
655 module will be called ie6xx_wdt.
656
657config INTEL_SCU_WATCHDOG
658 bool "Intel SCU Watchdog for Mobile Platforms"
659 depends on X86_INTEL_MID
660 ---help---
661 Hardware driver for the watchdog time built into the Intel SCU
662 for Intel Mobile Platforms.
663
664 To compile this driver as a module, choose M here.
665
666config ITCO_WDT
667 tristate "Intel TCO Timer/Watchdog"
668 depends on (X86 || IA64) && PCI
669 select WATCHDOG_CORE
670 select LPC_ICH
671 ---help---
672 Hardware driver for the intel TCO timer based watchdog devices.
673 These drivers are included in the Intel 82801 I/O Controller
674 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
675 controller hub.
676
677 The TCO (Total Cost of Ownership) timer is a watchdog timer
678 that will reboot the machine after its second expiration. The
679 expiration time can be configured with the "heartbeat" parameter.
680
681 On some motherboards the driver may fail to reset the chipset's
682 NO_REBOOT flag which prevents the watchdog from rebooting the
683 machine. If this is the case you will get a kernel message like
684 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
685
686 To compile this driver as a module, choose M here: the
687 module will be called iTCO_wdt.
688
689config ITCO_VENDOR_SUPPORT
690 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
691 depends on ITCO_WDT
692 ---help---
693 Add vendor specific support to the intel TCO timer based watchdog
694 devices. At this moment we only have additional support for some
695 SuperMicro Inc. motherboards.
696
697config IT8712F_WDT
698 tristate "IT8712F (Smart Guardian) Watchdog Timer"
699 depends on X86
700 ---help---
701 This is the driver for the built-in watchdog timer on the IT8712F
702 Super I/0 chipset used on many motherboards.
703
704 If the driver does not work, then make sure that the game port in
705 the BIOS is enabled.
706
707 To compile this driver as a module, choose M here: the
708 module will be called it8712f_wdt.
709
710config IT87_WDT
711 tristate "IT87 Watchdog Timer"
712 depends on X86
713 ---help---
714 This is the driver for the hardware watchdog on the ITE IT8702,
715 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
716 Super I/O chips.
717
718 If the driver does not work, then make sure that the game port in
719 the BIOS is enabled.
720
721 This watchdog simply watches your kernel to make sure it doesn't
722 freeze, and if it does, it reboots your computer after a certain
723 amount of time.
724
725 To compile this driver as a module, choose M here: the module will
726 be called it87_wdt.
727
728config HP_WATCHDOG
729 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
730 depends on X86 && PCI
731 help
732 A software monitoring watchdog and NMI sourcing driver. This driver
733 will detect lockups and provide a stack trace. This is a driver that
734 will only load on an HP ProLiant system with a minimum of iLO2 support.
735 To compile this driver as a module, choose M here: the module will be
736 called hpwdt.
737
738config KEMPLD_WDT
739 tristate "Kontron COM Watchdog Timer"
740 depends on MFD_KEMPLD
741 select WATCHDOG_CORE
742 help
743 Support for the PLD watchdog on some Kontron ETX and COMexpress
744 (ETXexpress) modules
745
746 This driver can also be built as a module. If so, the module will be
747 called kempld_wdt.
748
749config HPWDT_NMI_DECODING
750 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
751 depends on HP_WATCHDOG
752 default y
753 help
754 When an NMI occurs this feature will make the necessary BIOS calls to
755 log the cause of the NMI.
756
757config SC1200_WDT
758 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
759 depends on X86
760 help
761 This is a driver for National Semiconductor PC87307/PC97307 hardware
762 watchdog cards as found on the SC1200. This watchdog is mainly used
763 for power management purposes and can be used to power down the device
764 during inactivity periods (includes interrupt activity monitoring).
765
766 To compile this driver as a module, choose M here: the
767 module will be called sc1200wdt.
768
769 Most people will say N.
770
771config SCx200_WDT
772 tristate "National Semiconductor SCx200 Watchdog"
773 depends on SCx200 && PCI
774 help
775 Enable the built-in watchdog timer support on the National
776 Semiconductor SCx200 processors.
777
778 If compiled as a module, it will be called scx200_wdt.
779
780config PC87413_WDT
781 tristate "NS PC87413 watchdog"
782 depends on X86
783 ---help---
784 This is the driver for the hardware watchdog on the PC87413 chipset
785 This watchdog simply watches your kernel to make sure it doesn't
786 freeze, and if it does, it reboots your computer after a certain
787 amount of time.
788
789 To compile this driver as a module, choose M here: the
790 module will be called pc87413_wdt.
791
792 Most people will say N.
793
794config NV_TCO
795 tristate "nVidia TCO Timer/Watchdog"
796 depends on X86 && PCI
797 ---help---
798 Hardware driver for the TCO timer built into the nVidia Hub family
799 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
800 watchdog timer that will reboot the machine after its second
801 expiration. The expiration time can be configured with the
802 "heartbeat" parameter.
803
804 On some motherboards the driver may fail to reset the chipset's
805 NO_REBOOT flag which prevents the watchdog from rebooting the
806 machine. If this is the case you will get a kernel message like
807 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
808
809 To compile this driver as a module, choose M here: the
810 module will be called nv_tco.
811
812config RDC321X_WDT
813 tristate "RDC R-321x SoC watchdog"
814 depends on X86_RDC321X
815 help
816 This is the driver for the built in hardware watchdog
817 in the RDC R-321x SoC.
818
819 To compile this driver as a module, choose M here: the
820 module will be called rdc321x_wdt.
821
822config 60XX_WDT
823 tristate "SBC-60XX Watchdog Timer"
824 depends on X86
825 help
826 This driver can be used with the watchdog timer found on some
827 single board computers, namely the 6010 PII based computer.
828 It may well work with other cards. It reads port 0x443 to enable
829 and re-set the watchdog timer, and reads port 0x45 to disable
830 the watchdog. If you have a card that behave in similar ways,
831 you can probably make this driver work with your card as well.
832
833 You can compile this driver directly into the kernel, or use
834 it as a module. The module will be called sbc60xxwdt.
835
836config SBC8360_WDT
837 tristate "SBC8360 Watchdog Timer"
838 depends on X86
839 ---help---
840
841 This is the driver for the hardware watchdog on the SBC8360 Single
842 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
843
844 To compile this driver as a module, choose M here: the
845 module will be called sbc8360.
846
847 Most people will say N.
848
849config SBC7240_WDT
850 tristate "SBC Nano 7240 Watchdog Timer"
851 depends on X86_32 && !UML
852 ---help---
853 This is the driver for the hardware watchdog found on the IEI
854 single board computers EPIC Nano 7240 (and likely others). This
855 watchdog simply watches your kernel to make sure it doesn't freeze,
856 and if it does, it reboots your computer after a certain amount of
857 time.
858
859 To compile this driver as a module, choose M here: the
860 module will be called sbc7240_wdt.
861
862config CPU5_WDT
863 tristate "SMA CPU5 Watchdog"
864 depends on X86
865 ---help---
866 TBD.
867 To compile this driver as a module, choose M here: the
868 module will be called cpu5wdt.
869
870config SMSC_SCH311X_WDT
871 tristate "SMSC SCH311X Watchdog Timer"
872 depends on X86
873 ---help---
874 This is the driver for the hardware watchdog timer on the
875 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
876 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
877 serial ports).
878
879 To compile this driver as a module, choose M here: the
880 module will be called sch311x_wdt.
881
882config SMSC37B787_WDT
883 tristate "Winbond SMsC37B787 Watchdog Timer"
884 depends on X86
885 ---help---
886 This is the driver for the hardware watchdog component on the
887 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
888 from Vision Systems and maybe others.
889
890 This watchdog simply watches your kernel to make sure it doesn't
891 freeze, and if it does, it reboots your computer after a certain
892 amount of time.
893
894 Usually a userspace daemon will notify the kernel WDT driver that
895 userspace is still alive, at regular intervals.
896
897 To compile this driver as a module, choose M here: the
898 module will be called smsc37b787_wdt.
899
900 Most people will say N.
901
902config VIA_WDT
903 tristate "VIA Watchdog Timer"
904 depends on X86 && PCI
905 select WATCHDOG_CORE
906 ---help---
907 This is the driver for the hardware watchdog timer on VIA
908 southbridge chipset CX700, VX800/VX820 or VX855/VX875.
909
910 To compile this driver as a module, choose M here; the module
911 will be called via_wdt.
912
913 Most people will say N.
914
915config W83627HF_WDT
916 tristate "Watchdog timer for W83627HF/W83627DHG and compatibles"
917 depends on X86
918 select WATCHDOG_CORE
919 ---help---
920 This is the driver for the hardware watchdog on the following
921 Super I/O chips.
922 W83627DHG/DHG-P/EHF/EHG/F/G/HF/S/SF/THF/UHG/UG
923 W83637HF
924 W83667HG/HG-B
925 W83687THF
926 W83697HF
927 W83697UG
928 NCT6775
929 NCT6776
930 NCT6779
931
932 This watchdog simply watches your kernel to make sure it doesn't
933 freeze, and if it does, it reboots your computer after a certain
934 amount of time.
935
936 To compile this driver as a module, choose M here: the
937 module will be called w83627hf_wdt.
938
939 Most people will say N.
940
941config W83697HF_WDT
942 tristate "W83697HF/W83697HG Watchdog Timer"
943 depends on X86
944 ---help---
945 This is the driver for the hardware watchdog on the W83697HF/HG
946 chipset as used in Dedibox/VIA motherboards (and likely others).
947 This watchdog simply watches your kernel to make sure it doesn't
948 freeze, and if it does, it reboots your computer after a certain
949 amount of time.
950
951 To compile this driver as a module, choose M here: the
952 module will be called w83697hf_wdt.
953
954 Most people will say N.
955
956config W83697UG_WDT
957 tristate "W83697UG/W83697UF Watchdog Timer"
958 depends on X86
959 ---help---
960 This is the driver for the hardware watchdog on the W83697UG/UF
961 chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
962 This watchdog simply watches your kernel to make sure it doesn't
963 freeze, and if it does, it reboots your computer after a certain
964 amount of time.
965
966 To compile this driver as a module, choose M here: the
967 module will be called w83697ug_wdt.
968
969 Most people will say N.
970
971config W83877F_WDT
972 tristate "W83877F (EMACS) Watchdog Timer"
973 depends on X86
974 ---help---
975 This is the driver for the hardware watchdog on the W83877F chipset
976 as used in EMACS PC-104 motherboards (and likely others). This
977 watchdog simply watches your kernel to make sure it doesn't freeze,
978 and if it does, it reboots your computer after a certain amount of
979 time.
980
981 To compile this driver as a module, choose M here: the
982 module will be called w83877f_wdt.
983
984 Most people will say N.
985
986config W83977F_WDT
987 tristate "W83977F (PCM-5335) Watchdog Timer"
988 depends on X86
989 ---help---
990 This is the driver for the hardware watchdog on the W83977F I/O chip
991 as used in AAEON's PCM-5335 SBC (and likely others). This
992 watchdog simply watches your kernel to make sure it doesn't freeze,
993 and if it does, it reboots your computer after a certain amount of
994 time.
995
996 To compile this driver as a module, choose M here: the
997 module will be called w83977f_wdt.
998
999config MACHZ_WDT
1000 tristate "ZF MachZ Watchdog"
1001 depends on X86
1002 ---help---
1003 If you are using a ZF Micro MachZ processor, say Y here, otherwise
1004 N. This is the driver for the watchdog timer built-in on that
1005 processor using ZF-Logic interface. This watchdog simply watches
1006 your kernel to make sure it doesn't freeze, and if it does, it
1007 reboots your computer after a certain amount of time.
1008
1009 To compile this driver as a module, choose M here: the
1010 module will be called machzwd.
1011
1012config SBC_EPX_C3_WATCHDOG
1013 tristate "Winsystems SBC EPX-C3 watchdog"
1014 depends on X86
1015 ---help---
1016 This is the driver for the built-in watchdog timer on the EPX-C3
1017 Single-board computer made by Winsystems, Inc.
1018
1019 *Note*: This hardware watchdog is not probeable and thus there
1020 is no way to know if writing to its IO address will corrupt
1021 your system or have any real effect. The only way to be sure
1022 that this driver does what you want is to make sure you
1023 are running it on an EPX-C3 from Winsystems with the watchdog
1024 timer at IO address 0x1ee and 0x1ef. It will write to both those
1025 IO ports. Basically, the assumption is made that if you compile
1026 this driver into your kernel and/or load it as a module, that you
1027 know what you are doing and that you are in fact running on an
1028 EPX-C3 board!
1029
1030 To compile this driver as a module, choose M here: the
1031 module will be called sbc_epx_c3.
1032
1033# M32R Architecture
1034
1035# M68K Architecture
1036
1037config M54xx_WATCHDOG
1038 tristate "MCF54xx watchdog support"
1039 depends on M548x
1040 help
1041 To compile this driver as a module, choose M here: the
1042 module will be called m54xx_wdt.
1043
1044# MicroBlaze Architecture
1045
1046# MIPS Architecture
1047
1048config ATH79_WDT
1049 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
1050 depends on ATH79
1051 help
1052 Hardware driver for the built-in watchdog timer on the Atheros
1053 AR71XX/AR724X/AR913X SoCs.
1054
1055config BCM47XX_WDT
1056 tristate "Broadcom BCM47xx Watchdog Timer"
1057 depends on BCM47XX
1058 select WATCHDOG_CORE
1059 help
1060 Hardware driver for the Broadcom BCM47xx Watchdog Timer.
1061
1062config RC32434_WDT
1063 tristate "IDT RC32434 SoC Watchdog Timer"
1064 depends on MIKROTIK_RB532
1065 help
1066 Hardware driver for the IDT RC32434 SoC built-in
1067 watchdog timer.
1068
1069 To compile this driver as a module, choose M here: the
1070 module will be called rc32434_wdt.
1071
1072config INDYDOG
1073 tristate "Indy/I2 Hardware Watchdog"
1074 depends on SGI_HAS_INDYDOG
1075 help
1076 Hardware driver for the Indy's/I2's watchdog. This is a
1077 watchdog timer that will reboot the machine after a 60 second
1078 timer expired and no process has written to /dev/watchdog during
1079 that time.
1080
1081config JZ4740_WDT
1082 tristate "Ingenic jz4740 SoC hardware watchdog"
1083 depends on MACH_JZ4740
1084 select WATCHDOG_CORE
1085 help
1086 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
1087
1088config WDT_MTX1
1089 tristate "MTX-1 Hardware Watchdog"
1090 depends on MIPS_MTX1
1091 help
1092 Hardware driver for the MTX-1 boards. This is a watchdog timer that
1093 will reboot the machine after a 100 seconds timer expired.
1094
1095config PNX833X_WDT
1096 tristate "PNX833x Hardware Watchdog"
1097 depends on SOC_PNX8335
1098 help
1099 Hardware driver for the PNX833x's watchdog. This is a
1100 watchdog timer that will reboot the machine after a programmable
1101 timer has expired and no process has written to /dev/watchdog during
1102 that time.
1103
1104config SIBYTE_WDOG
1105 tristate "Sibyte SoC hardware watchdog"
1106 depends on CPU_SB1
1107 help
1108 Watchdog driver for the built in watchdog hardware in Sibyte
1109 SoC processors. There are apparently two watchdog timers
1110 on such processors; this driver supports only the first one,
1111 because currently Linux only supports exporting one watchdog
1112 to userspace.
1113
1114 To compile this driver as a loadable module, choose M here.
1115 The module will be called sb_wdog.
1116
1117config AR7_WDT
1118 tristate "TI AR7 Watchdog Timer"
1119 depends on AR7
1120 help
1121 Hardware driver for the TI AR7 Watchdog Timer.
1122
1123config TXX9_WDT
1124 tristate "Toshiba TXx9 Watchdog Timer"
1125 depends on CPU_TX39XX || CPU_TX49XX
1126 select WATCHDOG_CORE
1127 help
1128 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1129
1130config OCTEON_WDT
1131 tristate "Cavium OCTEON SOC family Watchdog Timer"
1132 depends on CAVIUM_OCTEON_SOC
1133 default y
1134 select EXPORT_UASM if OCTEON_WDT = m
1135 help
1136 Hardware driver for OCTEON's on chip watchdog timer.
1137 Enables the watchdog for all cores running Linux. It
1138 installs a NMI handler and pokes the watchdog based on an
1139 interrupt. On first expiration of the watchdog, the
1140 interrupt handler pokes it. The second expiration causes an
1141 NMI that prints a message. The third expiration causes a
1142 global soft reset.
1143
1144 When userspace has /dev/watchdog open, no poking is done
1145 from the first interrupt, it is then only poked when the
1146 device is written.
1147
1148config BCM63XX_WDT
1149 tristate "Broadcom BCM63xx hardware watchdog"
1150 depends on BCM63XX
1151 help
1152 Watchdog driver for the built in watchdog hardware in Broadcom
1153 BCM63xx SoC.
1154
1155 To compile this driver as a loadable module, choose M here.
1156 The module will be called bcm63xx_wdt.
1157
1158config BCM2835_WDT
1159 tristate "Broadcom BCM2835 hardware watchdog"
1160 depends on ARCH_BCM2835
1161 select WATCHDOG_CORE
1162 help
1163 Watchdog driver for the built in watchdog hardware in Broadcom
1164 BCM2835 SoC.
1165
1166 To compile this driver as a loadable module, choose M here.
1167 The module will be called bcm2835_wdt.
1168
1169config BCM_KONA_WDT
1170 tristate "BCM Kona Watchdog"
1171 depends on ARCH_BCM_MOBILE
1172 select WATCHDOG_CORE
1173 help
1174 Support for the watchdog timer on the following Broadcom BCM281xx
1175 family, which includes BCM11130, BCM11140, BCM11351, BCM28145 and
1176 BCM28155 variants.
1177
1178 Say 'Y' or 'M' here to enable the driver. The module will be called
1179 bcm_kona_wdt.
1180
1181config BCM_KONA_WDT_DEBUG
1182 bool "DEBUGFS support for BCM Kona Watchdog"
1183 depends on BCM_KONA_WDT
1184 help
1185 If enabled, adds /sys/kernel/debug/bcm_kona_wdt/info which provides
1186 access to the driver's internal data structures as well as watchdog
1187 timer hardware registres.
1188
1189 If in doubt, say 'N'.
1190
1191config LANTIQ_WDT
1192 tristate "Lantiq SoC watchdog"
1193 depends on LANTIQ
1194 help
1195 Hardware driver for the Lantiq SoC Watchdog Timer.
1196
1197config RALINK_WDT
1198 tristate "Ralink SoC watchdog"
1199 select WATCHDOG_CORE
1200 depends on RALINK
1201 help
1202 Hardware driver for the Ralink SoC Watchdog Timer.
1203
1204# PARISC Architecture
1205
1206# POWERPC Architecture
1207
1208config GEF_WDT
1209 tristate "GE Watchdog Timer"
1210 depends on GE_FPGA
1211 ---help---
1212 Watchdog timer found in a number of GE single board computers.
1213
1214config MPC5200_WDT
1215 bool "MPC52xx Watchdog Timer"
1216 depends on PPC_MPC52xx
1217 help
1218 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1219
1220config 8xxx_WDT
1221 tristate "MPC8xxx Platform Watchdog Timer"
1222 depends on PPC_8xx || PPC_83xx || PPC_86xx
1223 select WATCHDOG_CORE
1224 help
1225 This driver is for a SoC level watchdog that exists on some
1226 Freescale PowerPC processors. So far this driver supports:
1227 - MPC8xx watchdogs
1228 - MPC83xx watchdogs
1229 - MPC86xx watchdogs
1230
1231 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1232
1233config MV64X60_WDT
1234 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1235 depends on MV64X60
1236
1237config PIKA_WDT
1238 tristate "PIKA FPGA Watchdog"
1239 depends on WARP
1240 default y
1241 help
1242 This enables the watchdog in the PIKA FPGA. Currently used on
1243 the Warp platform.
1244
1245config BOOKE_WDT
1246 tristate "PowerPC Book-E Watchdog Timer"
1247 depends on BOOKE || 4xx
1248 select WATCHDOG_CORE
1249 ---help---
1250 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1251 MPC85xx SOCs and the IBM PowerPC 440.
1252
1253 Please see Documentation/watchdog/watchdog-api.txt for
1254 more information.
1255
1256config BOOKE_WDT_DEFAULT_TIMEOUT
1257 int "PowerPC Book-E Watchdog Timer Default Timeout"
1258 depends on BOOKE_WDT
1259 default 38 if PPC_FSL_BOOK3E
1260 range 0 63 if PPC_FSL_BOOK3E
1261 default 3 if !PPC_FSL_BOOK3E
1262 range 0 3 if !PPC_FSL_BOOK3E
1263 help
1264 Select the default watchdog timer period to be used by the PowerPC
1265 Book-E watchdog driver. A watchdog "event" occurs when the bit
1266 position represented by this number transitions from zero to one.
1267
1268 For Freescale Book-E processors, this is a number between 0 and 63.
1269 For other Book-E processors, this is a number between 0 and 3.
1270
1271 The value can be overridden by the wdt_period command-line parameter.
1272
1273config MEN_A21_WDT
1274 tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
1275 select WATCHDOG_CORE
1276 depends on GPIOLIB
1277 help
1278 Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
1279
1280 The driver can also be built as a module. If so, the module will be
1281 called mena21_wdt.
1282
1283 If unsure select N here.
1284
1285# PPC64 Architecture
1286
1287config WATCHDOG_RTAS
1288 tristate "RTAS watchdog"
1289 depends on PPC_RTAS
1290 help
1291 This driver adds watchdog support for the RTAS watchdog.
1292
1293 To compile this driver as a module, choose M here. The module
1294 will be called wdrtas.
1295
1296# S390 Architecture
1297
1298config ZVM_WATCHDOG
1299 tristate "z/VM Watchdog Timer"
1300 depends on S390
1301 help
1302 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1303 provide a virtual watchdog timer to their guest that cause a
1304 user define Control Program command to be executed after a
1305 timeout.
1306
1307 To compile this driver as a module, choose M here. The module
1308 will be called vmwatchdog.
1309
1310# SUPERH (sh + sh64) Architecture
1311
1312config SH_WDT
1313 tristate "SuperH Watchdog"
1314 depends on SUPERH && (CPU_SH3 || CPU_SH4)
1315 select WATCHDOG_CORE
1316 help
1317 This driver adds watchdog support for the integrated watchdog in the
1318 SuperH processors. If you have one of these processors and wish
1319 to have watchdog support enabled, say Y, otherwise say N.
1320
1321 As a side note, saying Y here will automatically boost HZ to 1000
1322 so that the timer has a chance to clear the overflow counter. On
1323 slower systems (such as the SH-2 and SH-3) this will likely yield
1324 some performance issues. As such, the WDT should be avoided here
1325 unless it is absolutely necessary.
1326
1327 To compile this driver as a module, choose M here: the
1328 module will be called shwdt.
1329
1330# SPARC Architecture
1331
1332# SPARC64 Architecture
1333
1334config WATCHDOG_CP1XXX
1335 tristate "CP1XXX Hardware Watchdog support"
1336 depends on SPARC64 && PCI
1337 ---help---
1338 This is the driver for the hardware watchdog timers present on
1339 Sun Microsystems CompactPCI models CP1400 and CP1500.
1340
1341 To compile this driver as a module, choose M here: the
1342 module will be called cpwatchdog.
1343
1344 If you do not have a CompactPCI model CP1400 or CP1500, or
1345 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1346 you should say N to this option.
1347
1348config WATCHDOG_RIO
1349 tristate "RIO Hardware Watchdog support"
1350 depends on SPARC64 && PCI
1351 help
1352 Say Y here to support the hardware watchdog capability on Sun RIO
1353 machines. The watchdog timeout period is normally one minute but
1354 can be changed with a boot-time parameter.
1355
1356# XTENSA Architecture
1357
1358# Xen Architecture
1359
1360config XEN_WDT
1361 tristate "Xen Watchdog support"
1362 depends on XEN
1363 help
1364 Say Y here to support the hypervisor watchdog capability provided
1365 by Xen 4.0 and newer. The watchdog timeout period is normally one
1366 minute but can be changed with a boot-time parameter.
1367
1368config UML_WATCHDOG
1369 tristate "UML watchdog"
1370 depends on UML
1371
1372#
1373# ISA-based Watchdog Cards
1374#
1375
1376comment "ISA-based Watchdog Cards"
1377 depends on ISA
1378
1379config PCWATCHDOG
1380 tristate "Berkshire Products ISA-PC Watchdog"
1381 depends on ISA
1382 ---help---
1383 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1384 This card simply watches your kernel to make sure it doesn't freeze,
1385 and if it does, it reboots your computer after a certain amount of
1386 time. This driver is like the WDT501 driver but for different
1387 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1388 watchdog cards can be ordered from <http://www.berkprod.com/>.
1389
1390 To compile this driver as a module, choose M here: the
1391 module will be called pcwd.
1392
1393 Most people will say N.
1394
1395config MIXCOMWD
1396 tristate "Mixcom Watchdog"
1397 depends on ISA
1398 ---help---
1399 This is a driver for the Mixcom hardware watchdog cards. This
1400 watchdog simply watches your kernel to make sure it doesn't freeze,
1401 and if it does, it reboots your computer after a certain amount of
1402 time.
1403
1404 To compile this driver as a module, choose M here: the
1405 module will be called mixcomwd.
1406
1407 Most people will say N.
1408
1409config WDT
1410 tristate "WDT Watchdog timer"
1411 depends on ISA
1412 ---help---
1413 If you have a WDT500P or WDT501P watchdog board, say Y here,
1414 otherwise N. It is not possible to probe for this board, which means
1415 that you have to inform the kernel about the IO port and IRQ that
1416 is needed (you can do this via the io and irq parameters)
1417
1418 To compile this driver as a module, choose M here: the
1419 module will be called wdt.
1420
1421#
1422# PCI-based Watchdog Cards
1423#
1424
1425comment "PCI-based Watchdog Cards"
1426 depends on PCI
1427
1428config PCIPCWATCHDOG
1429 tristate "Berkshire Products PCI-PC Watchdog"
1430 depends on PCI
1431 ---help---
1432 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1433 This card simply watches your kernel to make sure it doesn't freeze,
1434 and if it does, it reboots your computer after a certain amount of
1435 time. The card can also monitor the internal temperature of the PC.
1436 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1437
1438 To compile this driver as a module, choose M here: the
1439 module will be called pcwd_pci.
1440
1441 Most people will say N.
1442
1443config WDTPCI
1444 tristate "PCI-WDT500/501 Watchdog timer"
1445 depends on PCI
1446 ---help---
1447 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1448
1449 If you have a PCI-WDT501 watchdog board then you can enable the
1450 temperature sensor by setting the type parameter to 501.
1451
1452 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1453 can do this via the tachometer parameter. Only do this if you have a
1454 fan tachometer actually set up.
1455
1456 To compile this driver as a module, choose M here: the
1457 module will be called wdt_pci.
1458
1459#
1460# USB-based Watchdog Cards
1461#
1462
1463comment "USB-based Watchdog Cards"
1464 depends on USB
1465
1466config USBPCWATCHDOG
1467 tristate "Berkshire Products USB-PC Watchdog"
1468 depends on USB
1469 ---help---
1470 This is the driver for the Berkshire Products USB-PC Watchdog card.
1471 This card simply watches your kernel to make sure it doesn't freeze,
1472 and if it does, it reboots your computer after a certain amount of
1473 time. The card can also monitor the internal temperature of the PC.
1474 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1475
1476 To compile this driver as a module, choose M here: the
1477 module will be called pcwd_usb.
1478
1479 Most people will say N.
1480
1481endif # WATCHDOG