/drivers/watchdog/Kconfig
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Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
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_NOWAYOUT
32 bool "Disable watchdog shutdown on close"
33 help
34 The default watchdog behaviour (which you get if you say N here) is
35 to stop the timer if the process managing it closes the file
36 /dev/watchdog. It's always remotely possible that this process might
37 get killed. If you say Y here, the watchdog cannot be stopped once
38 it has been started.
39
40#
41# General Watchdog drivers
42#
43
44comment "Watchdog Device Drivers"
45
46# Architecture Independent
47
48config SOFT_WATCHDOG
49 tristate "Software watchdog"
50 help
51 A software monitoring watchdog. This will fail to reboot your system
52 from some situations that the hardware watchdog will recover
53 from. Equally it's a lot cheaper to install.
54
55 To compile this driver as a module, choose M here: the
56 module will be called softdog.
57
58config WM831X_WATCHDOG
59 tristate "WM831x watchdog"
60 depends on MFD_WM831X
61 help
62 Support for the watchdog in the WM831x AudioPlus PMICs. When
63 the watchdog triggers the system will be reset.
64
65config WM8350_WATCHDOG
66 tristate "WM8350 watchdog"
67 depends on MFD_WM8350
68 help
69 Support for the watchdog in the WM8350 AudioPlus PMIC. When
70 the watchdog triggers the system will be reset.
71
72# ALPHA Architecture
73
74# ARM Architecture
75
76config ARM_SP805_WATCHDOG
77 tristate "ARM SP805 Watchdog"
78 depends on ARM_AMBA
79 help
80 ARM Primecell SP805 Watchdog timer. This will reboot your system when
81 the timeout is reached.
82
83config AT91RM9200_WATCHDOG
84 tristate "AT91RM9200 watchdog"
85 depends on ARCH_AT91RM9200
86 help
87 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
88 system when the timeout is reached.
89
90config AT91SAM9X_WATCHDOG
91 tristate "AT91SAM9X / AT91CAP9 watchdog"
92 depends on ARCH_AT91 && !ARCH_AT91RM9200
93 help
94 Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
95 reboot your system when the timeout is reached.
96
97config 21285_WATCHDOG
98 tristate "DC21285 watchdog"
99 depends on FOOTBRIDGE
100 help
101 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
102 here if you wish to use this. Alternatively say M to compile the
103 driver as a module, which will be called wdt285.
104
105 This driver does not work on all machines. In particular, early CATS
106 boards have hardware problems that will cause the machine to simply
107 lock up if the watchdog fires.
108
109 "If in doubt, leave it out" - say N.
110
111config 977_WATCHDOG
112 tristate "NetWinder WB83C977 watchdog"
113 depends on FOOTBRIDGE && ARCH_NETWINDER
114 help
115 Say Y here to include support for the WB977 watchdog included in
116 NetWinder machines. Alternatively say M to compile the driver as
117 a module, which will be called wdt977.
118
119 Not sure? It's safe to say N.
120
121config IXP2000_WATCHDOG
122 tristate "IXP2000 Watchdog"
123 depends on ARCH_IXP2000
124 help
125 Say Y here if to include support for the watchdog timer
126 in the Intel IXP2000(2400, 2800, 2850) network processors.
127 This driver can be built as a module by choosing M. The module
128 will be called ixp2000_wdt.
129
130 Say N if you are unsure.
131
132config IXP4XX_WATCHDOG
133 tristate "IXP4xx Watchdog"
134 depends on ARCH_IXP4XX
135 help
136 Say Y here if to include support for the watchdog timer
137 in the Intel IXP4xx network processors. This driver can
138 be built as a module by choosing M. The module will
139 be called ixp4xx_wdt.
140
141 Note: The internal IXP4xx watchdog does a soft CPU reset
142 which doesn't reset any peripherals. There are circumstances
143 where the watchdog will fail to reset the board correctly
144 (e.g., if the boot ROM is in an unreadable state).
145
146 Say N if you are unsure.
147
148config KS8695_WATCHDOG
149 tristate "KS8695 watchdog"
150 depends on ARCH_KS8695
151 help
152 Watchdog timer embedded into KS8695 processor. This will reboot your
153 system when the timeout is reached.
154
155config HAVE_S3C2410_WATCHDOG
156 bool
157 help
158 This will include watchdog timer support for Samsung SoCs. If
159 you want to include watchdog support for any machine, kindly
160 select this in the respective mach-XXXX/Kconfig file.
161
162config S3C2410_WATCHDOG
163 tristate "S3C2410 Watchdog"
164 depends on ARCH_S3C2410 || HAVE_S3C2410_WATCHDOG
165 help
166 Watchdog timer block in the Samsung SoCs. This will reboot
167 the system when the timer expires with the watchdog enabled.
168
169 The driver is limited by the speed of the system's PCLK
170 signal, so with reasonably fast systems (PCLK around 50-66MHz)
171 then watchdog intervals of over approximately 20seconds are
172 unavailable.
173
174 The driver can be built as a module by choosing M, and will
175 be called s3c2410_wdt
176
177config SA1100_WATCHDOG
178 tristate "SA1100/PXA2xx watchdog"
179 depends on ARCH_SA1100 || ARCH_PXA
180 help
181 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
182 reboot your system when timeout is reached.
183
184 NOTE: once enabled, this timer cannot be disabled.
185
186 To compile this driver as a module, choose M here: the
187 module will be called sa1100_wdt.
188
189config MPCORE_WATCHDOG
190 tristate "MPcore watchdog"
191 depends on HAVE_ARM_TWD
192 help
193 Watchdog timer embedded into the MPcore system.
194
195 To compile this driver as a module, choose M here: the
196 module will be called mpcore_wdt.
197
198config EP93XX_WATCHDOG
199 tristate "EP93xx Watchdog"
200 depends on ARCH_EP93XX
201 help
202 Say Y here if to include support for the watchdog timer
203 embedded in the Cirrus Logic EP93xx family of devices.
204
205 To compile this driver as a module, choose M here: the
206 module will be called ep93xx_wdt.
207
208config OMAP_WATCHDOG
209 tristate "OMAP Watchdog"
210 depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
211 help
212 Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog. Say 'Y'
213 here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
214
215config PNX4008_WATCHDOG
216 tristate "PNX4008 and LPC32XX Watchdog"
217 depends on ARCH_PNX4008 || ARCH_LPC32XX
218 help
219 Say Y here if to include support for the watchdog timer
220 in the PNX4008 or LPC32XX processor.
221 This driver can be built as a module by choosing M. The module
222 will be called pnx4008_wdt.
223
224 Say N if you are unsure.
225
226config IOP_WATCHDOG
227 tristate "IOP Watchdog"
228 depends on PLAT_IOP
229 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
230 help
231 Say Y here if to include support for the watchdog timer
232 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
233 be built as a module by choosing M. The module will
234 be called iop_wdt.
235
236 Note: The IOP13XX watchdog does an Internal Bus Reset which will
237 affect both cores and the peripherals of the IOP. The ATU-X
238 and/or ATUe configuration registers will remain intact, but if
239 operating as an Root Complex and/or Central Resource, the PCI-X
240 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
241
242config DAVINCI_WATCHDOG
243 tristate "DaVinci watchdog"
244 depends on ARCH_DAVINCI
245 help
246 Say Y here if to include support for the watchdog timer
247 in the DaVinci DM644x/DM646x processors.
248 To compile this driver as a module, choose M here: the
249 module will be called davinci_wdt.
250
251 NOTE: once enabled, this timer cannot be disabled.
252 Say N if you are unsure.
253
254config ORION_WATCHDOG
255 tristate "Orion watchdog"
256 depends on ARCH_ORION5X || ARCH_KIRKWOOD
257 help
258 Say Y here if to include support for the watchdog timer
259 in the Marvell Orion5x and Kirkwood ARM SoCs.
260 To compile this driver as a module, choose M here: the
261 module will be called orion_wdt.
262
263config COH901327_WATCHDOG
264 bool "ST-Ericsson COH 901 327 watchdog"
265 depends on ARCH_U300
266 default y if MACH_U300
267 help
268 Say Y here to include Watchdog timer support for the
269 watchdog embedded into the ST-Ericsson U300 series platforms.
270 This watchdog is used to reset the system and thus cannot be
271 compiled as a module.
272
273config TWL4030_WATCHDOG
274 tristate "TWL4030 Watchdog"
275 depends on TWL4030_CORE
276 help
277 Support for TI TWL4030 watchdog. Say 'Y' here to enable the
278 watchdog timer support for TWL4030 chips.
279
280config STMP3XXX_WATCHDOG
281 tristate "Freescale STMP3XXX watchdog"
282 depends on ARCH_STMP3XXX
283 help
284 Say Y here if to include support for the watchdog timer
285 for the Sigmatel STMP37XX/378X SoC.
286 To compile this driver as a module, choose M here: the
287 module will be called stmp3xxx_wdt.
288
289config NUC900_WATCHDOG
290 tristate "Nuvoton NUC900 watchdog"
291 depends on ARCH_W90X900
292 help
293 Say Y here if to include support for the watchdog timer
294 for the Nuvoton NUC900 series SoCs.
295 To compile this driver as a module, choose M here: the
296 module will be called nuc900_wdt.
297
298config ADX_WATCHDOG
299 tristate "Avionic Design Xanthos watchdog"
300 depends on ARCH_PXA_ADX
301 help
302 Say Y here if you want support for the watchdog timer on Avionic
303 Design Xanthos boards.
304
305config TS72XX_WATCHDOG
306 tristate "TS-72XX SBC Watchdog"
307 depends on MACH_TS72XX
308 help
309 Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
310 watchdog timer implemented in a external CPLD chip. Say Y here
311 if you want to support for the watchdog timer on TS-72XX boards.
312
313 To compile this driver as a module, choose M here: the
314 module will be called ts72xx_wdt.
315
316config MAX63XX_WATCHDOG
317 tristate "Max63xx watchdog"
318 depends on ARM && HAS_IOMEM
319 help
320 Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
321
322config IMX2_WDT
323 tristate "IMX2+ Watchdog"
324 depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 || ARCH_MX5
325 help
326 This is the driver for the hardware watchdog
327 on the Freescale IMX2 and later processors.
328 If you have one of these processors and wish to have
329 watchdog support enabled, say Y, otherwise say N.
330
331 To compile this driver as a module, choose M here: the
332 module will be called imx2_wdt.
333
334# AVR32 Architecture
335
336config AT32AP700X_WDT
337 tristate "AT32AP700x watchdog"
338 depends on CPU_AT32AP700X
339 help
340 Watchdog timer embedded into AT32AP700x devices. This will reboot
341 your system when the timeout is reached.
342
343# BLACKFIN Architecture
344
345config BFIN_WDT
346 tristate "Blackfin On-Chip Watchdog Timer"
347 depends on BLACKFIN
348 ---help---
349 If you say yes here you will get support for the Blackfin On-Chip
350 Watchdog Timer. If you have one of these processors and wish to
351 have watchdog support enabled, say Y, otherwise say N.
352
353 To compile this driver as a module, choose M here: the
354 module will be called bfin_wdt.
355
356# CRIS Architecture
357
358# FRV Architecture
359
360# H8300 Architecture
361
362# X86 (i386 + ia64 + x86_64) Architecture
363
364config ACQUIRE_WDT
365 tristate "Acquire SBC Watchdog Timer"
366 depends on X86
367 ---help---
368 This is the driver for the hardware watchdog on Single Board
369 Computers produced by Acquire Inc (and others). This watchdog
370 simply watches your kernel to make sure it doesn't freeze, and if
371 it does, it reboots your computer after a certain amount of time.
372
373 To compile this driver as a module, choose M here: the
374 module will be called acquirewdt.
375
376 Most people will say N.
377
378config ADVANTECH_WDT
379 tristate "Advantech SBC Watchdog Timer"
380 depends on X86
381 help
382 If you are configuring a Linux kernel for the Advantech single-board
383 computer, say `Y' here to support its built-in watchdog timer
384 feature. More information can be found at
385 <http://www.advantech.com.tw/products/>
386
387config ALIM1535_WDT
388 tristate "ALi M1535 PMU Watchdog Timer"
389 depends on X86 && PCI
390 ---help---
391 This is the driver for the hardware watchdog on the ALi M1535 PMU.
392
393 To compile this driver as a module, choose M here: the
394 module will be called alim1535_wdt.
395
396 Most people will say N.
397
398config ALIM7101_WDT
399 tristate "ALi M7101 PMU Computer Watchdog"
400 depends on PCI
401 help
402 This is the driver for the hardware watchdog on the ALi M7101 PMU
403 as used in the x86 Cobalt servers and also found in some
404 SPARC Netra servers too.
405
406 To compile this driver as a module, choose M here: the
407 module will be called alim7101_wdt.
408
409 Most people will say N.
410
411config F71808E_WDT
412 tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
413 depends on X86 && EXPERIMENTAL
414 help
415 This is the driver for the hardware watchdog on the Fintek
416 F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
417
418 You can compile this driver directly into the kernel, or use
419 it as a module. The module will be called f71808e_wdt.
420
421config SP5100_TCO
422 tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
423 depends on X86 && PCI
424 ---help---
425 Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
426 (Total Cost of Ownership) timer is a watchdog timer that will reboot
427 the machine after its expiration. The expiration time can be
428 configured with the "heartbeat" parameter.
429
430 To compile this driver as a module, choose M here: the
431 module will be called sp5100_tco.
432
433config GEODE_WDT
434 tristate "AMD Geode CS5535/CS5536 Watchdog"
435 depends on CS5535_MFGPT
436 help
437 This driver enables a watchdog capability built into the
438 CS5535/CS5536 companion chips for the AMD Geode GX and LX
439 processors. This watchdog watches your kernel to make sure
440 it doesn't freeze, and if it does, it reboots your computer after
441 a certain amount of time.
442
443 You can compile this driver directly into the kernel, or use
444 it as a module. The module will be called geodewdt.
445
446config SC520_WDT
447 tristate "AMD Elan SC520 processor Watchdog"
448 depends on X86
449 help
450 This is the driver for the hardware watchdog built in to the
451 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
452 This watchdog simply watches your kernel to make sure it doesn't
453 freeze, and if it does, it reboots your computer after a certain
454 amount of time.
455
456 You can compile this driver directly into the kernel, or use
457 it as a module. The module will be called sc520_wdt.
458
459config SBC_FITPC2_WATCHDOG
460 tristate "Compulab SBC-FITPC2 watchdog"
461 depends on X86
462 ---help---
463 This is the driver for the built-in watchdog timer on the fit-PC2,
464 fit-PC2i, CM-iAM single-board computers made by Compulab.
465
466 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
467 When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
468
469 Entering BIOS setup temporary disables watchdog operation regardless to current state,
470 so system will not be restarted while user in BIOS setup.
471
472 Once watchdog was enabled the system will be restarted every
473 "Watchdog Timer Value" period, so to prevent it user can restart or
474 disable the watchdog.
475
476 To compile this driver as a module, choose M here: the
477 module will be called sbc_fitpc2_wdt.
478
479 Most people will say N.
480
481config EUROTECH_WDT
482 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
483 depends on X86
484 help
485 Enable support for the watchdog timer on the Eurotech CPU-1220 and
486 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
487 information are at <http://www.eurotech.it/>.
488
489config IB700_WDT
490 tristate "IB700 SBC Watchdog Timer"
491 depends on X86
492 ---help---
493 This is the driver for the hardware watchdog on the IB700 Single
494 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
495 simply watches your kernel to make sure it doesn't freeze, and if
496 it does, it reboots your computer after a certain amount of time.
497
498 This driver is like the WDT501 driver but for slightly different hardware.
499
500 To compile this driver as a module, choose M here: the
501 module will be called ib700wdt.
502
503 Most people will say N.
504
505config IBMASR
506 tristate "IBM Automatic Server Restart"
507 depends on X86
508 help
509 This is the driver for the IBM Automatic Server Restart watchdog
510 timer built-in into some eServer xSeries machines.
511
512 To compile this driver as a module, choose M here: the
513 module will be called ibmasr.
514
515config WAFER_WDT
516 tristate "ICP Single Board Computer Watchdog Timer"
517 depends on X86
518 help
519 This is a driver for the hardware watchdog on the ICP Single
520 Board Computer. This driver is working on (at least) the following
521 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
522
523 To compile this driver as a module, choose M here: the
524 module will be called wafer5823wdt.
525
526config I6300ESB_WDT
527 tristate "Intel 6300ESB Timer/Watchdog"
528 depends on X86 && PCI
529 ---help---
530 Hardware driver for the watchdog timer built into the Intel
531 6300ESB controller hub.
532
533 To compile this driver as a module, choose M here: the
534 module will be called i6300esb.
535
536config INTEL_SCU_WATCHDOG
537 bool "Intel SCU Watchdog for Mobile Platforms"
538 depends on X86_MRST
539 ---help---
540 Hardware driver for the watchdog time built into the Intel SCU
541 for Intel Mobile Platforms.
542
543 To compile this driver as a module, choose M here.
544
545config ITCO_WDT
546 tristate "Intel TCO Timer/Watchdog"
547 depends on (X86 || IA64) && PCI
548 ---help---
549 Hardware driver for the intel TCO timer based watchdog devices.
550 These drivers are included in the Intel 82801 I/O Controller
551 Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
552 controller hub.
553
554 The TCO (Total Cost of Ownership) timer is a watchdog timer
555 that will reboot the machine after its second expiration. The
556 expiration time can be configured with the "heartbeat" parameter.
557
558 On some motherboards the driver may fail to reset the chipset's
559 NO_REBOOT flag which prevents the watchdog from rebooting the
560 machine. If this is the case you will get a kernel message like
561 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
562
563 To compile this driver as a module, choose M here: the
564 module will be called iTCO_wdt.
565
566config ITCO_VENDOR_SUPPORT
567 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
568 depends on ITCO_WDT
569 ---help---
570 Add vendor specific support to the intel TCO timer based watchdog
571 devices. At this moment we only have additional support for some
572 SuperMicro Inc. motherboards.
573
574config IT8712F_WDT
575 tristate "IT8712F (Smart Guardian) Watchdog Timer"
576 depends on X86
577 ---help---
578 This is the driver for the built-in watchdog timer on the IT8712F
579 Super I/0 chipset used on many motherboards.
580
581 If the driver does not work, then make sure that the game port in
582 the BIOS is enabled.
583
584 To compile this driver as a module, choose M here: the
585 module will be called it8712f_wdt.
586
587config IT87_WDT
588 tristate "IT87 Watchdog Timer"
589 depends on X86 && EXPERIMENTAL
590 ---help---
591 This is the driver for the hardware watchdog on the ITE IT8702,
592 IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 Super I/O chips.
593 This watchdog simply watches your kernel to make sure it doesn't
594 freeze, and if it does, it reboots your computer after a certain
595 amount of time.
596
597 To compile this driver as a module, choose M here: the module will
598 be called it87_wdt.
599
600config HP_WATCHDOG
601 tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
602 depends on X86 && PCI
603 help
604 A software monitoring watchdog and NMI sourcing driver. This driver
605 will detect lockups and provide a stack trace. This is a driver that
606 will only load on an HP ProLiant system with a minimum of iLO2 support.
607 To compile this driver as a module, choose M here: the module will be
608 called hpwdt.
609
610config HPWDT_NMI_DECODING
611 bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
612 depends on HP_WATCHDOG
613 default y
614 help
615 When an NMI occurs this feature will make the necessary BIOS calls to
616 log the cause of the NMI.
617
618config SC1200_WDT
619 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
620 depends on X86
621 help
622 This is a driver for National Semiconductor PC87307/PC97307 hardware
623 watchdog cards as found on the SC1200. This watchdog is mainly used
624 for power management purposes and can be used to power down the device
625 during inactivity periods (includes interrupt activity monitoring).
626
627 To compile this driver as a module, choose M here: the
628 module will be called sc1200wdt.
629
630 Most people will say N.
631
632config SCx200_WDT
633 tristate "National Semiconductor SCx200 Watchdog"
634 depends on SCx200 && PCI
635 help
636 Enable the built-in watchdog timer support on the National
637 Semiconductor SCx200 processors.
638
639 If compiled as a module, it will be called scx200_wdt.
640
641config PC87413_WDT
642 tristate "NS PC87413 watchdog"
643 depends on X86
644 ---help---
645 This is the driver for the hardware watchdog on the PC87413 chipset
646 This watchdog simply watches your kernel to make sure it doesn't
647 freeze, and if it does, it reboots your computer after a certain
648 amount of time.
649
650 To compile this driver as a module, choose M here: the
651 module will be called pc87413_wdt.
652
653 Most people will say N.
654
655config NV_TCO
656 tristate "nVidia TCO Timer/Watchdog"
657 depends on X86 && PCI
658 ---help---
659 Hardware driver for the TCO timer built into the nVidia Hub family
660 (such as the MCP51). The TCO (Total Cost of Ownership) timer is a
661 watchdog timer that will reboot the machine after its second
662 expiration. The expiration time can be configured with the
663 "heartbeat" parameter.
664
665 On some motherboards the driver may fail to reset the chipset's
666 NO_REBOOT flag which prevents the watchdog from rebooting the
667 machine. If this is the case you will get a kernel message like
668 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
669
670 To compile this driver as a module, choose M here: the
671 module will be called nv_tco.
672
673config RDC321X_WDT
674 tristate "RDC R-321x SoC watchdog"
675 depends on X86_RDC321X
676 help
677 This is the driver for the built in hardware watchdog
678 in the RDC R-321x SoC.
679
680 To compile this driver as a module, choose M here: the
681 module will be called rdc321x_wdt.
682
683config 60XX_WDT
684 tristate "SBC-60XX Watchdog Timer"
685 depends on X86
686 help
687 This driver can be used with the watchdog timer found on some
688 single board computers, namely the 6010 PII based computer.
689 It may well work with other cards. It reads port 0x443 to enable
690 and re-set the watchdog timer, and reads port 0x45 to disable
691 the watchdog. If you have a card that behave in similar ways,
692 you can probably make this driver work with your card as well.
693
694 You can compile this driver directly into the kernel, or use
695 it as a module. The module will be called sbc60xxwdt.
696
697config SBC8360_WDT
698 tristate "SBC8360 Watchdog Timer"
699 depends on X86
700 ---help---
701
702 This is the driver for the hardware watchdog on the SBC8360 Single
703 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
704
705 To compile this driver as a module, choose M here: the
706 module will be called sbc8360.
707
708 Most people will say N.
709
710config SBC7240_WDT
711 tristate "SBC Nano 7240 Watchdog Timer"
712 depends on X86_32
713 ---help---
714 This is the driver for the hardware watchdog found on the IEI
715 single board computers EPIC Nano 7240 (and likely others). This
716 watchdog simply watches your kernel to make sure it doesn't freeze,
717 and if it does, it reboots your computer after a certain amount of
718 time.
719
720 To compile this driver as a module, choose M here: the
721 module will be called sbc7240_wdt.
722
723config CPU5_WDT
724 tristate "SMA CPU5 Watchdog"
725 depends on X86
726 ---help---
727 TBD.
728 To compile this driver as a module, choose M here: the
729 module will be called cpu5wdt.
730
731config SMSC_SCH311X_WDT
732 tristate "SMSC SCH311X Watchdog Timer"
733 depends on X86
734 ---help---
735 This is the driver for the hardware watchdog timer on the
736 SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
737 (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
738 serial ports).
739
740 To compile this driver as a module, choose M here: the
741 module will be called sch311x_wdt.
742
743config SMSC37B787_WDT
744 tristate "Winbond SMsC37B787 Watchdog Timer"
745 depends on X86
746 ---help---
747 This is the driver for the hardware watchdog component on the
748 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
749 from Vision Systems and maybe others.
750
751 This watchdog simply watches your kernel to make sure it doesn't
752 freeze, and if it does, it reboots your computer after a certain
753 amount of time.
754
755 Usually a userspace daemon will notify the kernel WDT driver that
756 userspace is still alive, at regular intervals.
757
758 To compile this driver as a module, choose M here: the
759 module will be called smsc37b787_wdt.
760
761 Most people will say N.
762
763config W83627HF_WDT
764 tristate "W83627HF/W83627DHG Watchdog Timer"
765 depends on X86
766 ---help---
767 This is the driver for the hardware watchdog on the W83627HF chipset
768 as used in Advantech PC-9578 and Tyan S2721-533 motherboards
769 (and likely others). The driver also supports the W83627DHG chip.
770 This watchdog simply watches your kernel to make sure it doesn't
771 freeze, and if it does, it reboots your computer after a certain
772 amount of time.
773
774 To compile this driver as a module, choose M here: the
775 module will be called w83627hf_wdt.
776
777 Most people will say N.
778
779config W83697HF_WDT
780 tristate "W83697HF/W83697HG Watchdog Timer"
781 depends on X86
782 ---help---
783 This is the driver for the hardware watchdog on the W83697HF/HG
784 chipset as used in Dedibox/VIA motherboards (and likely others).
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 w83697hf_wdt.
791
792 Most people will say N.
793
794config W83697UG_WDT
795 tristate "W83697UG/W83697UF Watchdog Timer"
796 depends on X86
797 ---help---
798 This is the driver for the hardware watchdog on the W83697UG/UF
799 chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
800 This watchdog simply watches your kernel to make sure it doesn't
801 freeze, and if it does, it reboots your computer after a certain
802 amount of time.
803
804 To compile this driver as a module, choose M here: the
805 module will be called w83697ug_wdt.
806
807 Most people will say N.
808
809config W83877F_WDT
810 tristate "W83877F (EMACS) Watchdog Timer"
811 depends on X86
812 ---help---
813 This is the driver for the hardware watchdog on the W83877F chipset
814 as used in EMACS PC-104 motherboards (and likely others). This
815 watchdog simply watches your kernel to make sure it doesn't freeze,
816 and if it does, it reboots your computer after a certain amount of
817 time.
818
819 To compile this driver as a module, choose M here: the
820 module will be called w83877f_wdt.
821
822 Most people will say N.
823
824config W83977F_WDT
825 tristate "W83977F (PCM-5335) Watchdog Timer"
826 depends on X86
827 ---help---
828 This is the driver for the hardware watchdog on the W83977F I/O chip
829 as used in AAEON's PCM-5335 SBC (and likely others). This
830 watchdog simply watches your kernel to make sure it doesn't freeze,
831 and if it does, it reboots your computer after a certain amount of
832 time.
833
834 To compile this driver as a module, choose M here: the
835 module will be called w83977f_wdt.
836
837config MACHZ_WDT
838 tristate "ZF MachZ Watchdog"
839 depends on X86
840 ---help---
841 If you are using a ZF Micro MachZ processor, say Y here, otherwise
842 N. This is the driver for the watchdog timer built-in on that
843 processor using ZF-Logic interface. This watchdog simply watches
844 your kernel to make sure it doesn't freeze, and if it does, it
845 reboots your computer after a certain amount of time.
846
847 To compile this driver as a module, choose M here: the
848 module will be called machzwd.
849
850config SBC_EPX_C3_WATCHDOG
851 tristate "Winsystems SBC EPX-C3 watchdog"
852 depends on X86
853 ---help---
854 This is the driver for the built-in watchdog timer on the EPX-C3
855 Single-board computer made by Winsystems, Inc.
856
857 *Note*: This hardware watchdog is not probeable and thus there
858 is no way to know if writing to its IO address will corrupt
859 your system or have any real effect. The only way to be sure
860 that this driver does what you want is to make sure you
861 are running it on an EPX-C3 from Winsystems with the watchdog
862 timer at IO address 0x1ee and 0x1ef. It will write to both those
863 IO ports. Basically, the assumption is made that if you compile
864 this driver into your kernel and/or load it as a module, that you
865 know what you are doing and that you are in fact running on an
866 EPX-C3 board!
867
868 To compile this driver as a module, choose M here: the
869 module will be called sbc_epx_c3.
870
871# M32R Architecture
872
873# M68K Architecture
874
875config M54xx_WATCHDOG
876 tristate "MCF54xx watchdog support"
877 depends on M548x
878 help
879 To compile this driver as a module, choose M here: the
880 module will be called m54xx_wdt.
881
882# MIPS Architecture
883
884config ATH79_WDT
885 tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
886 depends on ATH79
887 help
888 Hardware driver for the built-in watchdog timer on the Atheros
889 AR71XX/AR724X/AR913X SoCs.
890
891config BCM47XX_WDT
892 tristate "Broadcom BCM47xx Watchdog Timer"
893 depends on BCM47XX
894 help
895 Hardware driver for the Broadcom BCM47xx Watchog Timer.
896
897config RC32434_WDT
898 tristate "IDT RC32434 SoC Watchdog Timer"
899 depends on MIKROTIK_RB532
900 help
901 Hardware driver for the IDT RC32434 SoC built-in
902 watchdog timer.
903
904 To compile this driver as a module, choose M here: the
905 module will be called rc32434_wdt.
906
907config INDYDOG
908 tristate "Indy/I2 Hardware Watchdog"
909 depends on SGI_HAS_INDYDOG
910 help
911 Hardware driver for the Indy's/I2's watchdog. This is a
912 watchdog timer that will reboot the machine after a 60 second
913 timer expired and no process has written to /dev/watchdog during
914 that time.
915
916config JZ4740_WDT
917 tristate "Ingenic jz4740 SoC hardware watchdog"
918 depends on MACH_JZ4740
919 help
920 Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
921
922config WDT_MTX1
923 tristate "MTX-1 Hardware Watchdog"
924 depends on MIPS_MTX1
925 help
926 Hardware driver for the MTX-1 boards. This is a watchdog timer that
927 will reboot the machine after a 100 seconds timer expired.
928
929config PNX833X_WDT
930 tristate "PNX833x Hardware Watchdog"
931 depends on SOC_PNX8335
932 help
933 Hardware driver for the PNX833x's watchdog. This is a
934 watchdog timer that will reboot the machine after a programmable
935 timer has expired and no process has written to /dev/watchdog during
936 that time.
937
938config SIBYTE_WDOG
939 tristate "Sibyte SoC hardware watchdog"
940 depends on CPU_SB1
941 help
942 Watchdog driver for the built in watchdog hardware in Sibyte
943 SoC processors. There are apparently two watchdog timers
944 on such processors; this driver supports only the first one,
945 because currently Linux only supports exporting one watchdog
946 to userspace.
947
948 To compile this driver as a loadable module, choose M here.
949 The module will be called sb_wdog.
950
951config AR7_WDT
952 tristate "TI AR7 Watchdog Timer"
953 depends on AR7
954 help
955 Hardware driver for the TI AR7 Watchdog Timer.
956
957config TXX9_WDT
958 tristate "Toshiba TXx9 Watchdog Timer"
959 depends on CPU_TX39XX || CPU_TX49XX
960 help
961 Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
962
963config OCTEON_WDT
964 tristate "Cavium OCTEON SOC family Watchdog Timer"
965 depends on CPU_CAVIUM_OCTEON
966 default y
967 select EXPORT_UASM if OCTEON_WDT = m
968 help
969 Hardware driver for OCTEON's on chip watchdog timer.
970 Enables the watchdog for all cores running Linux. It
971 installs a NMI handler and pokes the watchdog based on an
972 interrupt. On first expiration of the watchdog, the
973 interrupt handler pokes it. The second expiration causes an
974 NMI that prints a message. The third expiration causes a
975 global soft reset.
976
977 When userspace has /dev/watchdog open, no poking is done
978 from the first interrupt, it is then only poked when the
979 device is written.
980
981config BCM63XX_WDT
982 tristate "Broadcom BCM63xx hardware watchdog"
983 depends on BCM63XX
984 help
985 Watchdog driver for the built in watchdog hardware in Broadcom
986 BCM63xx SoC.
987
988 To compile this driver as a loadable module, choose M here.
989 The module will be called bcm63xx_wdt.
990
991config LANTIQ_WDT
992 tristate "Lantiq SoC watchdog"
993 depends on LANTIQ
994 help
995 Hardware driver for the Lantiq SoC Watchdog Timer.
996
997# PARISC Architecture
998
999# POWERPC Architecture
1000
1001config GEF_WDT
1002 tristate "GE Watchdog Timer"
1003 depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
1004 ---help---
1005 Watchdog timer found in a number of GE single board computers.
1006
1007config MPC5200_WDT
1008 bool "MPC52xx Watchdog Timer"
1009 depends on PPC_MPC52xx
1010 help
1011 Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1012
1013config 8xxx_WDT
1014 tristate "MPC8xxx Platform Watchdog Timer"
1015 depends on PPC_8xx || PPC_83xx || PPC_86xx
1016 help
1017 This driver is for a SoC level watchdog that exists on some
1018 Freescale PowerPC processors. So far this driver supports:
1019 - MPC8xx watchdogs
1020 - MPC83xx watchdogs
1021 - MPC86xx watchdogs
1022
1023 For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1024
1025config MV64X60_WDT
1026 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1027 depends on MV64X60
1028
1029config PIKA_WDT
1030 tristate "PIKA FPGA Watchdog"
1031 depends on WARP
1032 default y
1033 help
1034 This enables the watchdog in the PIKA FPGA. Currently used on
1035 the Warp platform.
1036
1037config BOOKE_WDT
1038 tristate "PowerPC Book-E Watchdog Timer"
1039 depends on BOOKE || 4xx
1040 ---help---
1041 Watchdog driver for PowerPC Book-E chips, such as the Freescale
1042 MPC85xx SOCs and the IBM PowerPC 440.
1043
1044 Please see Documentation/watchdog/watchdog-api.txt for
1045 more information.
1046
1047config BOOKE_WDT_DEFAULT_TIMEOUT
1048 int "PowerPC Book-E Watchdog Timer Default Timeout"
1049 depends on BOOKE_WDT
1050 default 38 if FSL_BOOKE
1051 range 0 63 if FSL_BOOKE
1052 default 3 if !FSL_BOOKE
1053 range 0 3 if !FSL_BOOKE
1054 help
1055 Select the default watchdog timer period to be used by the PowerPC
1056 Book-E watchdog driver. A watchdog "event" occurs when the bit
1057 position represented by this number transitions from zero to one.
1058
1059 For Freescale Book-E processors, this is a number between 0 and 63.
1060 For other Book-E processors, this is a number between 0 and 3.
1061
1062 The value can be overidden by the wdt_period command-line parameter.
1063
1064# PPC64 Architecture
1065
1066config WATCHDOG_RTAS
1067 tristate "RTAS watchdog"
1068 depends on PPC_RTAS
1069 help
1070 This driver adds watchdog support for the RTAS watchdog.
1071
1072 To compile this driver as a module, choose M here. The module
1073 will be called wdrtas.
1074
1075# S390 Architecture
1076
1077config ZVM_WATCHDOG
1078 tristate "z/VM Watchdog Timer"
1079 depends on S390
1080 help
1081 IBM s/390 and zSeries machines running under z/VM 5.1 or later
1082 provide a virtual watchdog timer to their guest that cause a
1083 user define Control Program command to be executed after a
1084 timeout.
1085
1086 To compile this driver as a module, choose M here. The module
1087 will be called vmwatchdog.
1088
1089# SUPERH (sh + sh64) Architecture
1090
1091config SH_WDT
1092 tristate "SuperH Watchdog"
1093 depends on SUPERH && (CPU_SH3 || CPU_SH4)
1094 help
1095 This driver adds watchdog support for the integrated watchdog in the
1096 SuperH processors. If you have one of these processors and wish
1097 to have watchdog support enabled, say Y, otherwise say N.
1098
1099 As a side note, saying Y here will automatically boost HZ to 1000
1100 so that the timer has a chance to clear the overflow counter. On
1101 slower systems (such as the SH-2 and SH-3) this will likely yield
1102 some performance issues. As such, the WDT should be avoided here
1103 unless it is absolutely necessary.
1104
1105 To compile this driver as a module, choose M here: the
1106 module will be called shwdt.
1107
1108# SPARC Architecture
1109
1110# SPARC64 Architecture
1111
1112config WATCHDOG_CP1XXX
1113 tristate "CP1XXX Hardware Watchdog support"
1114 depends on SPARC64 && PCI
1115 ---help---
1116 This is the driver for the hardware watchdog timers present on
1117 Sun Microsystems CompactPCI models CP1400 and CP1500.
1118
1119 To compile this driver as a module, choose M here: the
1120 module will be called cpwatchdog.
1121
1122 If you do not have a CompactPCI model CP1400 or CP1500, or
1123 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1124 you should say N to this option.
1125
1126config WATCHDOG_RIO
1127 tristate "RIO Hardware Watchdog support"
1128 depends on SPARC64 && PCI
1129 help
1130 Say Y here to support the hardware watchdog capability on Sun RIO
1131 machines. The watchdog timeout period is normally one minute but
1132 can be changed with a boot-time parameter.
1133
1134# XTENSA Architecture
1135
1136# Xen Architecture
1137
1138config XEN_WDT
1139 tristate "Xen Watchdog support"
1140 depends on XEN
1141 help
1142 Say Y here to support the hypervisor watchdog capability provided
1143 by Xen 4.0 and newer. The watchdog timeout period is normally one
1144 minute but can be changed with a boot-time parameter.
1145
1146#
1147# ISA-based Watchdog Cards
1148#
1149
1150comment "ISA-based Watchdog Cards"
1151 depends on ISA
1152
1153config PCWATCHDOG
1154 tristate "Berkshire Products ISA-PC Watchdog"
1155 depends on ISA
1156 ---help---
1157 This is the driver for the Berkshire Products ISA-PC Watchdog card.
1158 This card simply watches your kernel to make sure it doesn't freeze,
1159 and if it does, it reboots your computer after a certain amount of
1160 time. This driver is like the WDT501 driver but for different
1161 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1162 watchdog cards can be ordered from <http://www.berkprod.com/>.
1163
1164 To compile this driver as a module, choose M here: the
1165 module will be called pcwd.
1166
1167 Most people will say N.
1168
1169config MIXCOMWD
1170 tristate "Mixcom Watchdog"
1171 depends on ISA
1172 ---help---
1173 This is a driver for the Mixcom hardware watchdog cards. This
1174 watchdog simply watches your kernel to make sure it doesn't freeze,
1175 and if it does, it reboots your computer after a certain amount of
1176 time.
1177
1178 To compile this driver as a module, choose M here: the
1179 module will be called mixcomwd.
1180
1181 Most people will say N.
1182
1183config WDT
1184 tristate "WDT Watchdog timer"
1185 depends on ISA
1186 ---help---
1187 If you have a WDT500P or WDT501P watchdog board, say Y here,
1188 otherwise N. It is not possible to probe for this board, which means
1189 that you have to inform the kernel about the IO port and IRQ that
1190 is needed (you can do this via the io and irq parameters)
1191
1192 To compile this driver as a module, choose M here: the
1193 module will be called wdt.
1194
1195#
1196# PCI-based Watchdog Cards
1197#
1198
1199comment "PCI-based Watchdog Cards"
1200 depends on PCI
1201
1202config PCIPCWATCHDOG
1203 tristate "Berkshire Products PCI-PC Watchdog"
1204 depends on PCI
1205 ---help---
1206 This is the driver for the Berkshire Products PCI-PC Watchdog card.
1207 This card simply watches your kernel to make sure it doesn't freeze,
1208 and if it does, it reboots your computer after a certain amount of
1209 time. The card can also monitor the internal temperature of the PC.
1210 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1211
1212 To compile this driver as a module, choose M here: the
1213 module will be called pcwd_pci.
1214
1215 Most people will say N.
1216
1217config WDTPCI
1218 tristate "PCI-WDT500/501 Watchdog timer"
1219 depends on PCI
1220 ---help---
1221 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1222
1223 If you have a PCI-WDT501 watchdog board then you can enable the
1224 temperature sensor by setting the type parameter to 501.
1225
1226 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1227 can do this via the tachometer parameter. Only do this if you have a
1228 fan tachometer actually set up.
1229
1230 To compile this driver as a module, choose M here: the
1231 module will be called wdt_pci.
1232
1233#
1234# USB-based Watchdog Cards
1235#
1236
1237comment "USB-based Watchdog Cards"
1238 depends on USB
1239
1240config USBPCWATCHDOG
1241 tristate "Berkshire Products USB-PC Watchdog"
1242 depends on USB
1243 ---help---
1244 This is the driver for the Berkshire Products USB-PC Watchdog card.
1245 This card simply watches your kernel to make sure it doesn't freeze,
1246 and if it does, it reboots your computer after a certain amount of
1247 time. The card can also monitor the internal temperature of the PC.
1248 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1249
1250 To compile this driver as a module, choose M here: the
1251 module will be called pcwd_usb.
1252
1253 Most people will say N.
1254
1255endif # WATCHDOG