xref: /linux/drivers/watchdog/Kconfig (revision 26b0d14106954ae46d2f4f7eec3481828a210f7d)
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 WM831X_WATCHDOG
80	tristate "WM831x watchdog"
81	depends on MFD_WM831X
82	select WATCHDOG_CORE
83	help
84	  Support for the watchdog in the WM831x AudioPlus PMICs.  When
85	  the watchdog triggers the system will be reset.
86
87config WM8350_WATCHDOG
88	tristate "WM8350 watchdog"
89	depends on MFD_WM8350
90	select WATCHDOG_CORE
91	help
92	  Support for the watchdog in the WM8350 AudioPlus PMIC.  When
93	  the watchdog triggers the system will be reset.
94
95# ALPHA Architecture
96
97# ARM Architecture
98
99config ARM_SP805_WATCHDOG
100	tristate "ARM SP805 Watchdog"
101	depends on ARM_AMBA
102	select WATCHDOG_CORE
103	help
104	  ARM Primecell SP805 Watchdog timer. This will reboot your system when
105	  the timeout is reached.
106
107config AT91RM9200_WATCHDOG
108	tristate "AT91RM9200 watchdog"
109	depends on ARCH_AT91RM9200
110	help
111	  Watchdog timer embedded into AT91RM9200 chips. This will reboot your
112	  system when the timeout is reached.
113
114config AT91SAM9X_WATCHDOG
115	tristate "AT91SAM9X / AT91CAP9 watchdog"
116	depends on ARCH_AT91 && !ARCH_AT91RM9200
117	help
118	  Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
119	  reboot your system when the timeout is reached.
120
121config 21285_WATCHDOG
122	tristate "DC21285 watchdog"
123	depends on FOOTBRIDGE
124	help
125	  The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
126	  here if you wish to use this. Alternatively say M to compile the
127	  driver as a module, which will be called wdt285.
128
129	  This driver does not work on all machines. In particular, early CATS
130	  boards have hardware problems that will cause the machine to simply
131	  lock up if the watchdog fires.
132
133	  "If in doubt, leave it out" - say N.
134
135config 977_WATCHDOG
136	tristate "NetWinder WB83C977 watchdog"
137	depends on FOOTBRIDGE && ARCH_NETWINDER
138	help
139	  Say Y here to include support for the WB977 watchdog included in
140	  NetWinder machines. Alternatively say M to compile the driver as
141	  a module, which will be called wdt977.
142
143	  Not sure? It's safe to say N.
144
145config IXP4XX_WATCHDOG
146	tristate "IXP4xx Watchdog"
147	depends on ARCH_IXP4XX
148	help
149	  Say Y here if to include support for the watchdog timer
150	  in the Intel IXP4xx network processors. This driver can
151	  be built as a module by choosing M. The module will
152	  be called ixp4xx_wdt.
153
154	  Note: The internal IXP4xx watchdog does a soft CPU reset
155	  which doesn't reset any peripherals. There are circumstances
156	  where the watchdog will fail to reset the board correctly
157	  (e.g., if the boot ROM is in an unreadable state).
158
159	  Say N if you are unsure.
160
161config KS8695_WATCHDOG
162	tristate "KS8695 watchdog"
163	depends on ARCH_KS8695
164	help
165	  Watchdog timer embedded into KS8695 processor. This will reboot your
166	  system when the timeout is reached.
167
168config HAVE_S3C2410_WATCHDOG
169	bool
170	help
171	  This will include watchdog timer support for Samsung SoCs. If
172	  you want to include watchdog support for any machine, kindly
173	  select this in the respective mach-XXXX/Kconfig file.
174
175config S3C2410_WATCHDOG
176	tristate "S3C2410 Watchdog"
177	depends on HAVE_S3C2410_WATCHDOG
178	select WATCHDOG_CORE
179	help
180	  Watchdog timer block in the Samsung SoCs. This will reboot
181	  the system when the timer expires with the watchdog enabled.
182
183	  The driver is limited by the speed of the system's PCLK
184	  signal, so with reasonably fast systems (PCLK around 50-66MHz)
185	  then watchdog intervals of over approximately 20seconds are
186	  unavailable.
187
188	  The driver can be built as a module by choosing M, and will
189	  be called s3c2410_wdt
190
191config SA1100_WATCHDOG
192	tristate "SA1100/PXA2xx watchdog"
193	depends on ARCH_SA1100 || ARCH_PXA
194	help
195	  Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
196	  reboot your system when timeout is reached.
197
198	  NOTE: once enabled, this timer cannot be disabled.
199
200	  To compile this driver as a module, choose M here: the
201	  module will be called sa1100_wdt.
202
203config DW_WATCHDOG
204	tristate "Synopsys DesignWare watchdog"
205	depends on ARM && HAVE_CLK
206	help
207	  Say Y here if to include support for the Synopsys DesignWare
208	  watchdog timer found in many ARM chips.
209	  To compile this driver as a module, choose M here: the
210	  module will be called dw_wdt.
211
212config MPCORE_WATCHDOG
213	tristate "MPcore watchdog"
214	depends on HAVE_ARM_TWD
215	help
216	  Watchdog timer embedded into the MPcore system.
217
218	  To compile this driver as a module, choose M here: the
219	  module will be called mpcore_wdt.
220
221config EP93XX_WATCHDOG
222	tristate "EP93xx Watchdog"
223	depends on ARCH_EP93XX
224	select WATCHDOG_CORE
225	help
226	  Say Y here if to include support for the watchdog timer
227	  embedded in the Cirrus Logic EP93xx family of devices.
228
229	  To compile this driver as a module, choose M here: the
230	  module will be called ep93xx_wdt.
231
232config OMAP_WATCHDOG
233	tristate "OMAP Watchdog"
234	depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
235	help
236	  Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog.  Say 'Y'
237	  here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430/OMAP4430 watchdog timer.
238
239config PNX4008_WATCHDOG
240	tristate "PNX4008 and LPC32XX Watchdog"
241	depends on ARCH_PNX4008 || ARCH_LPC32XX
242	select WATCHDOG_CORE
243	help
244	  Say Y here if to include support for the watchdog timer
245	  in the PNX4008 or LPC32XX processor.
246	  This driver can be built as a module by choosing M. The module
247	  will be called pnx4008_wdt.
248
249	  Say N if you are unsure.
250
251config IOP_WATCHDOG
252	tristate "IOP Watchdog"
253	depends on PLAT_IOP
254	select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
255	help
256	  Say Y here if to include support for the watchdog timer
257	  in the Intel IOP3XX & IOP13XX I/O Processors.  This driver can
258	  be built as a module by choosing M. The module will
259	  be called iop_wdt.
260
261	  Note: The IOP13XX watchdog does an Internal Bus Reset which will
262	  affect both cores and the peripherals of the IOP.  The ATU-X
263	  and/or ATUe configuration registers will remain intact, but if
264	  operating as an Root Complex and/or Central Resource, the PCI-X
265	  and/or PCIe busses will also be reset.  THIS IS A VERY BIG HAMMER.
266
267config DAVINCI_WATCHDOG
268	tristate "DaVinci watchdog"
269	depends on ARCH_DAVINCI
270	help
271	  Say Y here if to include support for the watchdog timer
272	  in the DaVinci DM644x/DM646x processors.
273	  To compile this driver as a module, choose M here: the
274	  module will be called davinci_wdt.
275
276	  NOTE: once enabled, this timer cannot be disabled.
277	  Say N if you are unsure.
278
279config ORION_WATCHDOG
280	tristate "Orion watchdog"
281	depends on ARCH_ORION5X || ARCH_KIRKWOOD
282	help
283	  Say Y here if to include support for the watchdog timer
284	  in the Marvell Orion5x and Kirkwood ARM SoCs.
285	  To compile this driver as a module, choose M here: the
286	  module will be called orion_wdt.
287
288config COH901327_WATCHDOG
289	bool "ST-Ericsson COH 901 327 watchdog"
290	depends on ARCH_U300
291	default y if MACH_U300
292	select WATCHDOG_CORE
293	help
294	  Say Y here to include Watchdog timer support for the
295	  watchdog embedded into the ST-Ericsson U300 series platforms.
296	  This watchdog is used to reset the system and thus cannot be
297	  compiled as a module.
298
299config TWL4030_WATCHDOG
300	tristate "TWL4030 Watchdog"
301	depends on TWL4030_CORE
302	help
303	  Support for TI TWL4030 watchdog.  Say 'Y' here to enable the
304	  watchdog timer support for TWL4030 chips.
305
306config STMP3XXX_WATCHDOG
307	tristate "Freescale STMP3XXX watchdog"
308	depends on ARCH_STMP3XXX
309	help
310	  Say Y here if to include support for the watchdog timer
311	  for the Sigmatel STMP37XX/378X SoC.
312	  To compile this driver as a module, choose M here: the
313	  module will be called stmp3xxx_wdt.
314
315config NUC900_WATCHDOG
316	tristate "Nuvoton NUC900 watchdog"
317	depends on ARCH_W90X900
318	help
319	  Say Y here if to include support for the watchdog timer
320	  for the Nuvoton NUC900 series SoCs.
321	  To compile this driver as a module, choose M here: the
322	  module will be called nuc900_wdt.
323
324config TS72XX_WATCHDOG
325	tristate "TS-72XX SBC Watchdog"
326	depends on MACH_TS72XX
327	help
328	  Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
329	  watchdog timer implemented in a external CPLD chip. Say Y here
330	  if you want to support for the watchdog timer on TS-72XX boards.
331
332	  To compile this driver as a module, choose M here: the
333	  module will be called ts72xx_wdt.
334
335config MAX63XX_WATCHDOG
336	tristate "Max63xx watchdog"
337	depends on ARM && HAS_IOMEM
338	select WATCHDOG_CORE
339	help
340	  Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
341
342config IMX2_WDT
343	tristate "IMX2+ Watchdog"
344	depends on IMX_HAVE_PLATFORM_IMX2_WDT
345	help
346	  This is the driver for the hardware watchdog
347	  on the Freescale IMX2 and later processors.
348	  If you have one of these processors and wish to have
349	  watchdog support enabled, say Y, otherwise say N.
350
351	  To compile this driver as a module, choose M here: the
352	  module will be called imx2_wdt.
353
354# AVR32 Architecture
355
356config AT32AP700X_WDT
357	tristate "AT32AP700x watchdog"
358	depends on CPU_AT32AP700X
359	help
360	  Watchdog timer embedded into AT32AP700x devices. This will reboot
361	  your system when the timeout is reached.
362
363# BLACKFIN Architecture
364
365config BFIN_WDT
366	tristate "Blackfin On-Chip Watchdog Timer"
367	depends on BLACKFIN
368	---help---
369	  If you say yes here you will get support for the Blackfin On-Chip
370	  Watchdog Timer. If you have one of these processors and wish to
371	  have watchdog support enabled, say Y, otherwise say N.
372
373	  To compile this driver as a module, choose M here: the
374	  module will be called bfin_wdt.
375
376# CRIS Architecture
377
378# FRV Architecture
379
380# H8300 Architecture
381
382# X86 (i386 + ia64 + x86_64) Architecture
383
384config ACQUIRE_WDT
385	tristate "Acquire SBC Watchdog Timer"
386	depends on X86
387	---help---
388	  This is the driver for the hardware watchdog on Single Board
389	  Computers produced by Acquire Inc (and others). This watchdog
390	  simply watches your kernel to make sure it doesn't freeze, and if
391	  it does, it reboots your computer after a certain amount of time.
392
393	  To compile this driver as a module, choose M here: the
394	  module will be called acquirewdt.
395
396	  Most people will say N.
397
398config ADVANTECH_WDT
399	tristate "Advantech SBC Watchdog Timer"
400	depends on X86
401	help
402	  If you are configuring a Linux kernel for the Advantech single-board
403	  computer, say `Y' here to support its built-in watchdog timer
404	  feature. More information can be found at
405	  <http://www.advantech.com.tw/products/>
406
407config ALIM1535_WDT
408	tristate "ALi M1535 PMU Watchdog Timer"
409	depends on X86 && PCI
410	---help---
411	  This is the driver for the hardware watchdog on the ALi M1535 PMU.
412
413	  To compile this driver as a module, choose M here: the
414	  module will be called alim1535_wdt.
415
416	  Most people will say N.
417
418config ALIM7101_WDT
419	tristate "ALi M7101 PMU Computer Watchdog"
420	depends on PCI
421	help
422	  This is the driver for the hardware watchdog on the ALi M7101 PMU
423	  as used in the x86 Cobalt servers and also found in some
424	  SPARC Netra servers too.
425
426	  To compile this driver as a module, choose M here: the
427	  module will be called alim7101_wdt.
428
429	  Most people will say N.
430
431config F71808E_WDT
432	tristate "Fintek F71808E, F71862FG, F71869, F71882FG and F71889FG Watchdog"
433	depends on X86 && EXPERIMENTAL
434	help
435	  This is the driver for the hardware watchdog on the Fintek
436	  F71808E, F71862FG, F71869, F71882FG and F71889FG Super I/O controllers.
437
438	  You can compile this driver directly into the kernel, or use
439	  it as a module.  The module will be called f71808e_wdt.
440
441config SP5100_TCO
442	tristate "AMD/ATI SP5100 TCO Timer/Watchdog"
443	depends on X86 && PCI
444	---help---
445	  Hardware watchdog driver for the AMD/ATI SP5100 chipset. The TCO
446	  (Total Cost of Ownership) timer is a watchdog timer that will reboot
447	  the machine after its expiration. The expiration time can be
448	  configured with the "heartbeat" parameter.
449
450	  To compile this driver as a module, choose M here: the
451	  module will be called sp5100_tco.
452
453config GEODE_WDT
454	tristate "AMD Geode CS5535/CS5536 Watchdog"
455	depends on CS5535_MFGPT
456	help
457	  This driver enables a watchdog capability built into the
458	  CS5535/CS5536 companion chips for the AMD Geode GX and LX
459	  processors.  This watchdog watches your kernel to make sure
460	  it doesn't freeze, and if it does, it reboots your computer after
461	  a certain amount of time.
462
463	  You can compile this driver directly into the kernel, or use
464	  it as a module.  The module will be called geodewdt.
465
466config SC520_WDT
467	tristate "AMD Elan SC520 processor Watchdog"
468	depends on X86
469	help
470	  This is the driver for the hardware watchdog built in to the
471	  AMD "Elan" SC520 microcomputer commonly used in embedded systems.
472	  This watchdog simply watches your kernel to make sure it doesn't
473	  freeze, and if it does, it reboots your computer after a certain
474	  amount of time.
475
476	  You can compile this driver directly into the kernel, or use
477	  it as a module.  The module will be called sc520_wdt.
478
479config SBC_FITPC2_WATCHDOG
480	tristate "Compulab SBC-FITPC2 watchdog"
481	depends on X86
482	---help---
483	  This is the driver for the built-in watchdog timer on the fit-PC2,
484	  fit-PC2i, CM-iAM single-board computers made by Compulab.
485
486	  It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
487	  When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
488
489	  Entering BIOS setup temporary disables watchdog operation regardless to current state,
490	  so system will not be restarted while user in BIOS setup.
491
492	  Once watchdog was enabled the system will be restarted every
493	  "Watchdog Timer Value" period, so to prevent it user can restart or
494	  disable the watchdog.
495
496	  To compile this driver as a module, choose M here: the
497	  module will be called sbc_fitpc2_wdt.
498
499	  Most people will say N.
500
501config EUROTECH_WDT
502	tristate "Eurotech CPU-1220/1410 Watchdog Timer"
503	depends on X86
504	help
505	  Enable support for the watchdog timer on the Eurotech CPU-1220 and
506	  CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
507	  information are at <http://www.eurotech.it/>.
508
509config IB700_WDT
510	tristate "IB700 SBC Watchdog Timer"
511	depends on X86
512	---help---
513	  This is the driver for the hardware watchdog on the IB700 Single
514	  Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
515	  simply watches your kernel to make sure it doesn't freeze, and if
516	  it does, it reboots your computer after a certain amount of time.
517
518	  This driver is like the WDT501 driver but for slightly different hardware.
519
520	  To compile this driver as a module, choose M here: the
521	  module will be called ib700wdt.
522
523	  Most people will say N.
524
525config IBMASR
526	tristate "IBM Automatic Server Restart"
527	depends on X86
528	help
529	  This is the driver for the IBM Automatic Server Restart watchdog
530	  timer built-in into some eServer xSeries machines.
531
532	  To compile this driver as a module, choose M here: the
533	  module will be called ibmasr.
534
535config WAFER_WDT
536	tristate "ICP Single Board Computer Watchdog Timer"
537	depends on X86
538	help
539	  This is a driver for the hardware watchdog on the ICP Single
540	  Board Computer. This driver is working on (at least) the following
541	  IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
542
543	  To compile this driver as a module, choose M here: the
544	  module will be called wafer5823wdt.
545
546config I6300ESB_WDT
547	tristate "Intel 6300ESB Timer/Watchdog"
548	depends on PCI
549	---help---
550	  Hardware driver for the watchdog timer built into the Intel
551	  6300ESB controller hub.
552
553	  To compile this driver as a module, choose M here: the
554	  module will be called i6300esb.
555
556config IE6XX_WDT
557	tristate "Intel Atom E6xx Watchdog"
558	depends on X86 && PCI
559	select WATCHDOG_CORE
560	select MFD_CORE
561	select LPC_SCH
562	---help---
563	  Hardware driver for the watchdog timer built into the Intel
564	  Atom E6XX (TunnelCreek) processor.
565
566	  To compile this driver as a module, choose M here: the
567	  module will be called ie6xx_wdt.
568
569config INTEL_SCU_WATCHDOG
570	bool "Intel SCU Watchdog for Mobile Platforms"
571	depends on X86_MRST
572	---help---
573	  Hardware driver for the watchdog time built into the Intel SCU
574	  for Intel Mobile Platforms.
575
576	  To compile this driver as a module, choose M here.
577
578config ITCO_WDT
579	tristate "Intel TCO Timer/Watchdog"
580	depends on (X86 || IA64) && PCI
581	select LPC_ICH
582	---help---
583	  Hardware driver for the intel TCO timer based watchdog devices.
584	  These drivers are included in the Intel 82801 I/O Controller
585	  Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
586	  controller hub.
587
588	  The TCO (Total Cost of Ownership) timer is a watchdog timer
589	  that will reboot the machine after its second expiration. The
590	  expiration time can be configured with the "heartbeat" parameter.
591
592	  On some motherboards the driver may fail to reset the chipset's
593	  NO_REBOOT flag which prevents the watchdog from rebooting the
594	  machine. If this is the case you will get a kernel message like
595	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
596
597	  To compile this driver as a module, choose M here: the
598	  module will be called iTCO_wdt.
599
600config ITCO_VENDOR_SUPPORT
601	bool "Intel TCO Timer/Watchdog Specific Vendor Support"
602	depends on ITCO_WDT
603	---help---
604	  Add vendor specific support to the intel TCO timer based watchdog
605	  devices. At this moment we only have additional support for some
606	  SuperMicro Inc. motherboards.
607
608config IT8712F_WDT
609	tristate "IT8712F (Smart Guardian) Watchdog Timer"
610	depends on X86
611	---help---
612	  This is the driver for the built-in watchdog timer on the IT8712F
613	  Super I/0 chipset used on many motherboards.
614
615	  If the driver does not work, then make sure that the game port in
616	  the BIOS is enabled.
617
618	  To compile this driver as a module, choose M here: the
619	  module will be called it8712f_wdt.
620
621config IT87_WDT
622	tristate "IT87 Watchdog Timer"
623	depends on X86 && EXPERIMENTAL
624	---help---
625	  This is the driver for the hardware watchdog on the ITE IT8702,
626	  IT8712, IT8716, IT8718, IT8720, IT8721, IT8726 and IT8728
627	  Super I/O chips.
628
629	  If the driver does not work, then make sure that the game port in
630	  the BIOS is enabled.
631
632	  This watchdog simply watches your kernel to make sure it doesn't
633	  freeze, and if it does, it reboots your computer after a certain
634	  amount of time.
635
636	  To compile this driver as a module, choose M here: the module will
637	  be called it87_wdt.
638
639config HP_WATCHDOG
640	tristate "HP ProLiant iLO2+ Hardware Watchdog Timer"
641	depends on X86 && PCI
642	help
643	  A software monitoring watchdog and NMI sourcing driver. This driver
644	  will detect lockups and provide a stack trace. This is a driver that
645	  will only load on an HP ProLiant system with a minimum of iLO2 support.
646	  To compile this driver as a module, choose M here: the module will be
647	  called hpwdt.
648
649config HPWDT_NMI_DECODING
650	bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
651	depends on HP_WATCHDOG
652	default y
653	help
654	  When an NMI occurs this feature will make the necessary BIOS calls to
655	  log the cause of the NMI.
656
657config SC1200_WDT
658	tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
659	depends on X86
660	help
661	  This is a driver for National Semiconductor PC87307/PC97307 hardware
662	  watchdog cards as found on the SC1200. This watchdog is mainly used
663	  for power management purposes and can be used to power down the device
664	  during inactivity periods (includes interrupt activity monitoring).
665
666	  To compile this driver as a module, choose M here: the
667	  module will be called sc1200wdt.
668
669	  Most people will say N.
670
671config SCx200_WDT
672	tristate "National Semiconductor SCx200 Watchdog"
673	depends on SCx200 && PCI
674	help
675	  Enable the built-in watchdog timer support on the National
676	  Semiconductor SCx200 processors.
677
678	  If compiled as a module, it will be called scx200_wdt.
679
680config PC87413_WDT
681	tristate "NS PC87413 watchdog"
682	depends on X86
683	---help---
684	  This is the driver for the hardware watchdog on the PC87413 chipset
685	  This watchdog simply watches your kernel to make sure it doesn't
686	  freeze, and if it does, it reboots your computer after a certain
687	  amount of time.
688
689	  To compile this driver as a module, choose M here: the
690	  module will be called pc87413_wdt.
691
692	  Most people will say N.
693
694config NV_TCO
695	tristate "nVidia TCO Timer/Watchdog"
696	depends on X86 && PCI
697	---help---
698	  Hardware driver for the TCO timer built into the nVidia Hub family
699	  (such as the MCP51).  The TCO (Total Cost of Ownership) timer is a
700	  watchdog timer that will reboot the machine after its second
701	  expiration. The expiration time can be configured with the
702	  "heartbeat" parameter.
703
704	  On some motherboards the driver may fail to reset the chipset's
705	  NO_REBOOT flag which prevents the watchdog from rebooting the
706	  machine. If this is the case you will get a kernel message like
707	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
708
709	  To compile this driver as a module, choose M here: the
710	  module will be called nv_tco.
711
712config RDC321X_WDT
713	tristate "RDC R-321x SoC watchdog"
714	depends on X86_RDC321X
715	help
716	  This is the driver for the built in hardware watchdog
717	  in the RDC R-321x SoC.
718
719	  To compile this driver as a module, choose M here: the
720	  module will be called rdc321x_wdt.
721
722config 60XX_WDT
723	tristate "SBC-60XX Watchdog Timer"
724	depends on X86
725	help
726	  This driver can be used with the watchdog timer found on some
727	  single board computers, namely the 6010 PII based computer.
728	  It may well work with other cards.  It reads port 0x443 to enable
729	  and re-set the watchdog timer, and reads port 0x45 to disable
730	  the watchdog.  If you have a card that behave in similar ways,
731	  you can probably make this driver work with your card as well.
732
733	  You can compile this driver directly into the kernel, or use
734	  it as a module.  The module will be called sbc60xxwdt.
735
736config SBC8360_WDT
737	tristate "SBC8360 Watchdog Timer"
738	depends on X86
739	---help---
740
741	  This is the driver for the hardware watchdog on the SBC8360 Single
742	  Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
743
744	  To compile this driver as a module, choose M here: the
745	  module will be called sbc8360.
746
747	  Most people will say N.
748
749config SBC7240_WDT
750	tristate "SBC Nano 7240 Watchdog Timer"
751	depends on X86_32 && !UML
752	---help---
753	  This is the driver for the hardware watchdog found on the IEI
754	  single board computers EPIC Nano 7240 (and likely others). This
755	  watchdog simply watches your kernel to make sure it doesn't freeze,
756	  and if it does, it reboots your computer after a certain amount of
757	  time.
758
759	  To compile this driver as a module, choose M here: the
760	  module will be called sbc7240_wdt.
761
762config CPU5_WDT
763	tristate "SMA CPU5 Watchdog"
764	depends on X86
765	---help---
766	  TBD.
767	  To compile this driver as a module, choose M here: the
768	  module will be called cpu5wdt.
769
770config SMSC_SCH311X_WDT
771	tristate "SMSC SCH311X Watchdog Timer"
772	depends on X86
773	---help---
774	  This is the driver for the hardware watchdog timer on the
775	  SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
776	  (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
777	  serial ports).
778
779	  To compile this driver as a module, choose M here: the
780	  module will be called sch311x_wdt.
781
782config SMSC37B787_WDT
783	tristate "Winbond SMsC37B787 Watchdog Timer"
784	depends on X86
785	---help---
786	  This is the driver for the hardware watchdog component on the
787	  Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
788	  from Vision Systems and maybe others.
789
790	  This watchdog simply watches your kernel to make sure it doesn't
791	  freeze, and if it does, it reboots your computer after a certain
792	  amount of time.
793
794	  Usually a userspace daemon will notify the kernel WDT driver that
795	  userspace is still alive, at regular intervals.
796
797	  To compile this driver as a module, choose M here: the
798	  module will be called smsc37b787_wdt.
799
800	  Most people will say N.
801
802config VIA_WDT
803	tristate "VIA Watchdog Timer"
804	depends on X86 && PCI
805	select WATCHDOG_CORE
806	---help---
807	This is the driver for the hardware watchdog timer on VIA
808	southbridge chipset CX700, VX800/VX820 or VX855/VX875.
809
810	To compile this driver as a module, choose M here; the module
811	will be called via_wdt.
812
813	Most people will say N.
814
815config W83627HF_WDT
816	tristate "W83627HF/W83627DHG Watchdog Timer"
817	depends on X86
818	---help---
819	  This is the driver for the hardware watchdog on the W83627HF chipset
820	  as used in Advantech PC-9578 and Tyan S2721-533 motherboards
821	  (and likely others). The driver also supports the W83627DHG chip.
822	  This watchdog simply watches your kernel to make sure it doesn't
823	  freeze, and if it does, it reboots your computer after a certain
824	  amount of time.
825
826	  To compile this driver as a module, choose M here: the
827	  module will be called w83627hf_wdt.
828
829	  Most people will say N.
830
831config W83697HF_WDT
832	tristate "W83697HF/W83697HG Watchdog Timer"
833	depends on X86
834	---help---
835	  This is the driver for the hardware watchdog on the W83697HF/HG
836	  chipset as used in Dedibox/VIA motherboards (and likely others).
837	  This watchdog simply watches your kernel to make sure it doesn't
838	  freeze, and if it does, it reboots your computer after a certain
839	  amount of time.
840
841	  To compile this driver as a module, choose M here: the
842	  module will be called w83697hf_wdt.
843
844	  Most people will say N.
845
846config W83697UG_WDT
847	tristate "W83697UG/W83697UF Watchdog Timer"
848	depends on X86
849	---help---
850	  This is the driver for the hardware watchdog on the W83697UG/UF
851	  chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
852	  This watchdog simply watches your kernel to make sure it doesn't
853	  freeze, and if it does, it reboots your computer after a certain
854	  amount of time.
855
856	  To compile this driver as a module, choose M here: the
857	  module will be called w83697ug_wdt.
858
859	  Most people will say N.
860
861config W83877F_WDT
862	tristate "W83877F (EMACS) Watchdog Timer"
863	depends on X86
864	---help---
865	  This is the driver for the hardware watchdog on the W83877F chipset
866	  as used in EMACS PC-104 motherboards (and likely others).  This
867	  watchdog simply watches your kernel to make sure it doesn't freeze,
868	  and if it does, it reboots your computer after a certain amount of
869	  time.
870
871	  To compile this driver as a module, choose M here: the
872	  module will be called w83877f_wdt.
873
874	  Most people will say N.
875
876config W83977F_WDT
877	tristate "W83977F (PCM-5335) Watchdog Timer"
878	depends on X86
879	---help---
880	  This is the driver for the hardware watchdog on the W83977F I/O chip
881	  as used in AAEON's PCM-5335 SBC (and likely others).  This
882	  watchdog simply watches your kernel to make sure it doesn't freeze,
883	  and if it does, it reboots your computer after a certain amount of
884	  time.
885
886	  To compile this driver as a module, choose M here: the
887	  module will be called w83977f_wdt.
888
889config MACHZ_WDT
890	tristate "ZF MachZ Watchdog"
891	depends on X86
892	---help---
893	  If you are using a ZF Micro MachZ processor, say Y here, otherwise
894	  N.  This is the driver for the watchdog timer built-in on that
895	  processor using ZF-Logic interface.  This watchdog simply watches
896	  your kernel to make sure it doesn't freeze, and if it does, it
897	  reboots your computer after a certain amount of time.
898
899	  To compile this driver as a module, choose M here: the
900	  module will be called machzwd.
901
902config SBC_EPX_C3_WATCHDOG
903	tristate "Winsystems SBC EPX-C3 watchdog"
904	depends on X86
905	---help---
906	  This is the driver for the built-in watchdog timer on the EPX-C3
907	  Single-board computer made by Winsystems, Inc.
908
909	  *Note*: This hardware watchdog is not probeable and thus there
910	  is no way to know if writing to its IO address will corrupt
911	  your system or have any real effect.  The only way to be sure
912	  that this driver does what you want is to make sure you
913	  are running it on an EPX-C3 from Winsystems with the watchdog
914	  timer at IO address 0x1ee and 0x1ef.  It will write to both those
915	  IO ports.  Basically, the assumption is made that if you compile
916	  this driver into your kernel and/or load it as a module, that you
917	  know what you are doing and that you are in fact running on an
918	  EPX-C3 board!
919
920	  To compile this driver as a module, choose M here: the
921	  module will be called sbc_epx_c3.
922
923# M32R Architecture
924
925# M68K Architecture
926
927config M54xx_WATCHDOG
928	tristate "MCF54xx watchdog support"
929	depends on M548x
930	help
931	  To compile this driver as a module, choose M here: the
932	  module will be called m54xx_wdt.
933
934# MicroBlaze Architecture
935
936config XILINX_WATCHDOG
937	tristate "Xilinx Watchdog timer"
938	depends on MICROBLAZE
939	---help---
940	  Watchdog driver for the xps_timebase_wdt ip core.
941
942	  IMPORTANT: The xps_timebase_wdt parent must have the property
943	  "clock-frequency" at device tree.
944
945	  To compile this driver as a module, choose M here: the
946	  module will be called of_xilinx_wdt.
947
948# MIPS Architecture
949
950config ATH79_WDT
951	tristate "Atheros AR71XX/AR724X/AR913X hardware watchdog"
952	depends on ATH79
953	help
954	  Hardware driver for the built-in watchdog timer on the Atheros
955	  AR71XX/AR724X/AR913X SoCs.
956
957config BCM47XX_WDT
958	tristate "Broadcom BCM47xx Watchdog Timer"
959	depends on BCM47XX
960	help
961	  Hardware driver for the Broadcom BCM47xx Watchdog Timer.
962
963config RC32434_WDT
964	tristate "IDT RC32434 SoC Watchdog Timer"
965	depends on MIKROTIK_RB532
966	help
967	  Hardware driver for the IDT RC32434 SoC built-in
968	  watchdog timer.
969
970	  To compile this driver as a module, choose M here: the
971	  module will be called rc32434_wdt.
972
973config INDYDOG
974	tristate "Indy/I2 Hardware Watchdog"
975	depends on SGI_HAS_INDYDOG
976	help
977	  Hardware driver for the Indy's/I2's watchdog. This is a
978	  watchdog timer that will reboot the machine after a 60 second
979	  timer expired and no process has written to /dev/watchdog during
980	  that time.
981
982config JZ4740_WDT
983	tristate "Ingenic jz4740 SoC hardware watchdog"
984	depends on MACH_JZ4740
985	select WATCHDOG_CORE
986	help
987	  Hardware driver for the built-in watchdog timer on Ingenic jz4740 SoCs.
988
989config WDT_MTX1
990	tristate "MTX-1 Hardware Watchdog"
991	depends on MIPS_MTX1
992	help
993	  Hardware driver for the MTX-1 boards. This is a watchdog timer that
994	  will reboot the machine after a 100 seconds timer expired.
995
996config PNX833X_WDT
997	tristate "PNX833x Hardware Watchdog"
998	depends on SOC_PNX8335
999	help
1000	  Hardware driver for the PNX833x's watchdog. This is a
1001	  watchdog timer that will reboot the machine after a programmable
1002	  timer has expired and no process has written to /dev/watchdog during
1003	  that time.
1004
1005config SIBYTE_WDOG
1006	tristate "Sibyte SoC hardware watchdog"
1007	depends on CPU_SB1
1008	help
1009	  Watchdog driver for the built in watchdog hardware in Sibyte
1010	  SoC processors.  There are apparently two watchdog timers
1011	  on such processors; this driver supports only the first one,
1012	  because currently Linux only supports exporting one watchdog
1013	  to userspace.
1014
1015	  To compile this driver as a loadable module, choose M here.
1016	  The module will be called sb_wdog.
1017
1018config AR7_WDT
1019	tristate "TI AR7 Watchdog Timer"
1020	depends on AR7
1021	help
1022	  Hardware driver for the TI AR7 Watchdog Timer.
1023
1024config TXX9_WDT
1025	tristate "Toshiba TXx9 Watchdog Timer"
1026	depends on CPU_TX39XX || CPU_TX49XX
1027	select WATCHDOG_CORE
1028	help
1029	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
1030
1031config OCTEON_WDT
1032	tristate "Cavium OCTEON SOC family Watchdog Timer"
1033	depends on CPU_CAVIUM_OCTEON
1034	default y
1035	select EXPORT_UASM if OCTEON_WDT = m
1036	help
1037	  Hardware driver for OCTEON's on chip watchdog timer.
1038	  Enables the watchdog for all cores running Linux. It
1039	  installs a NMI handler and pokes the watchdog based on an
1040	  interrupt.  On first expiration of the watchdog, the
1041	  interrupt handler pokes it.  The second expiration causes an
1042	  NMI that prints a message. The third expiration causes a
1043	  global soft reset.
1044
1045	  When userspace has /dev/watchdog open, no poking is done
1046	  from the first interrupt, it is then only poked when the
1047	  device is written.
1048
1049config BCM63XX_WDT
1050	tristate "Broadcom BCM63xx hardware watchdog"
1051	depends on BCM63XX
1052	help
1053	  Watchdog driver for the built in watchdog hardware in Broadcom
1054	  BCM63xx SoC.
1055
1056	  To compile this driver as a loadable module, choose M here.
1057	  The module will be called bcm63xx_wdt.
1058
1059config LANTIQ_WDT
1060	tristate "Lantiq SoC watchdog"
1061	depends on LANTIQ
1062	help
1063	  Hardware driver for the Lantiq SoC Watchdog Timer.
1064
1065# PARISC Architecture
1066
1067# POWERPC Architecture
1068
1069config GEF_WDT
1070	tristate "GE Watchdog Timer"
1071	depends on GE_FPGA
1072	---help---
1073	  Watchdog timer found in a number of GE single board computers.
1074
1075config MPC5200_WDT
1076	bool "MPC52xx Watchdog Timer"
1077	depends on PPC_MPC52xx
1078	help
1079	  Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
1080
1081config 8xxx_WDT
1082	tristate "MPC8xxx Platform Watchdog Timer"
1083	depends on PPC_8xx || PPC_83xx || PPC_86xx
1084	help
1085	  This driver is for a SoC level watchdog that exists on some
1086	  Freescale PowerPC processors. So far this driver supports:
1087	  - MPC8xx watchdogs
1088	  - MPC83xx watchdogs
1089	  - MPC86xx watchdogs
1090
1091	  For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
1092
1093config MV64X60_WDT
1094	tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
1095	depends on MV64X60
1096
1097config PIKA_WDT
1098	tristate "PIKA FPGA Watchdog"
1099	depends on WARP
1100	default y
1101	help
1102	  This enables the watchdog in the PIKA FPGA. Currently used on
1103	  the Warp platform.
1104
1105config BOOKE_WDT
1106	tristate "PowerPC Book-E Watchdog Timer"
1107	depends on BOOKE || 4xx
1108	---help---
1109	  Watchdog driver for PowerPC Book-E chips, such as the Freescale
1110	  MPC85xx SOCs and the IBM PowerPC 440.
1111
1112	  Please see Documentation/watchdog/watchdog-api.txt for
1113	  more information.
1114
1115config BOOKE_WDT_DEFAULT_TIMEOUT
1116	int "PowerPC Book-E Watchdog Timer Default Timeout"
1117	depends on BOOKE_WDT
1118	default 38 if FSL_BOOKE
1119	range 0 63 if FSL_BOOKE
1120	default 3 if !FSL_BOOKE
1121	range 0 3 if !FSL_BOOKE
1122	help
1123	  Select the default watchdog timer period to be used by the PowerPC
1124	  Book-E watchdog driver.  A watchdog "event" occurs when the bit
1125	  position represented by this number transitions from zero to one.
1126
1127	  For Freescale Book-E processors, this is a number between 0 and 63.
1128	  For other Book-E processors, this is a number between 0 and 3.
1129
1130	  The value can be overridden by the wdt_period command-line parameter.
1131
1132# PPC64 Architecture
1133
1134config WATCHDOG_RTAS
1135	tristate "RTAS watchdog"
1136	depends on PPC_RTAS
1137	help
1138	  This driver adds watchdog support for the RTAS watchdog.
1139
1140	  To compile this driver as a module, choose M here. The module
1141	  will be called wdrtas.
1142
1143# S390 Architecture
1144
1145config ZVM_WATCHDOG
1146	tristate "z/VM Watchdog Timer"
1147	depends on S390
1148	help
1149	  IBM s/390 and zSeries machines running under z/VM 5.1 or later
1150	  provide a virtual watchdog timer to their guest that cause a
1151	  user define Control Program command to be executed after a
1152	  timeout.
1153
1154	  To compile this driver as a module, choose M here. The module
1155	  will be called vmwatchdog.
1156
1157# SUPERH (sh + sh64) Architecture
1158
1159config SH_WDT
1160	tristate "SuperH Watchdog"
1161	depends on SUPERH && (CPU_SH3 || CPU_SH4)
1162	select WATCHDOG_CORE
1163	help
1164	  This driver adds watchdog support for the integrated watchdog in the
1165	  SuperH processors. If you have one of these processors and wish
1166	  to have watchdog support enabled, say Y, otherwise say N.
1167
1168	  As a side note, saying Y here will automatically boost HZ to 1000
1169	  so that the timer has a chance to clear the overflow counter. On
1170	  slower systems (such as the SH-2 and SH-3) this will likely yield
1171	  some performance issues. As such, the WDT should be avoided here
1172	  unless it is absolutely necessary.
1173
1174	  To compile this driver as a module, choose M here: the
1175	  module will be called shwdt.
1176
1177# SPARC Architecture
1178
1179# SPARC64 Architecture
1180
1181config WATCHDOG_CP1XXX
1182	tristate "CP1XXX Hardware Watchdog support"
1183	depends on SPARC64 && PCI
1184	---help---
1185	  This is the driver for the hardware watchdog timers present on
1186	  Sun Microsystems CompactPCI models CP1400 and CP1500.
1187
1188	  To compile this driver as a module, choose M here: the
1189	  module will be called cpwatchdog.
1190
1191	  If you do not have a CompactPCI model CP1400 or CP1500, or
1192	  another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1193	  you should say N to this option.
1194
1195config WATCHDOG_RIO
1196	tristate "RIO Hardware Watchdog support"
1197	depends on SPARC64 && PCI
1198	help
1199	  Say Y here to support the hardware watchdog capability on Sun RIO
1200	  machines.  The watchdog timeout period is normally one minute but
1201	  can be changed with a boot-time parameter.
1202
1203# XTENSA Architecture
1204
1205# Xen Architecture
1206
1207config XEN_WDT
1208	tristate "Xen Watchdog support"
1209	depends on XEN
1210	help
1211	  Say Y here to support the hypervisor watchdog capability provided
1212	  by Xen 4.0 and newer.  The watchdog timeout period is normally one
1213	  minute but can be changed with a boot-time parameter.
1214
1215config UML_WATCHDOG
1216	tristate "UML watchdog"
1217	depends on UML
1218
1219#
1220# ISA-based Watchdog Cards
1221#
1222
1223comment "ISA-based Watchdog Cards"
1224	depends on ISA
1225
1226config PCWATCHDOG
1227	tristate "Berkshire Products ISA-PC Watchdog"
1228	depends on ISA
1229	---help---
1230	  This is the driver for the Berkshire Products ISA-PC Watchdog card.
1231	  This card simply watches your kernel to make sure it doesn't freeze,
1232	  and if it does, it reboots your computer after a certain amount of
1233	  time. This driver is like the WDT501 driver but for different
1234	  hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1235	  watchdog cards can be ordered from <http://www.berkprod.com/>.
1236
1237	  To compile this driver as a module, choose M here: the
1238	  module will be called pcwd.
1239
1240	  Most people will say N.
1241
1242config MIXCOMWD
1243	tristate "Mixcom Watchdog"
1244	depends on ISA
1245	---help---
1246	  This is a driver for the Mixcom hardware watchdog cards.  This
1247	  watchdog simply watches your kernel to make sure it doesn't freeze,
1248	  and if it does, it reboots your computer after a certain amount of
1249	  time.
1250
1251	  To compile this driver as a module, choose M here: the
1252	  module will be called mixcomwd.
1253
1254	  Most people will say N.
1255
1256config WDT
1257	tristate "WDT Watchdog timer"
1258	depends on ISA
1259	---help---
1260	  If you have a WDT500P or WDT501P watchdog board, say Y here,
1261	  otherwise N. It is not possible to probe for this board, which means
1262	  that you have to inform the kernel about the IO port and IRQ that
1263	  is needed (you can do this via the io and irq parameters)
1264
1265	  To compile this driver as a module, choose M here: the
1266	  module will be called wdt.
1267
1268#
1269# PCI-based Watchdog Cards
1270#
1271
1272comment "PCI-based Watchdog Cards"
1273	depends on PCI
1274
1275config PCIPCWATCHDOG
1276	tristate "Berkshire Products PCI-PC Watchdog"
1277	depends on PCI
1278	---help---
1279	  This is the driver for the Berkshire Products PCI-PC Watchdog card.
1280	  This card simply watches your kernel to make sure it doesn't freeze,
1281	  and if it does, it reboots your computer after a certain amount of
1282	  time. The card can also monitor the internal temperature of the PC.
1283	  More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1284
1285	  To compile this driver as a module, choose M here: the
1286	  module will be called pcwd_pci.
1287
1288	  Most people will say N.
1289
1290config WDTPCI
1291	tristate "PCI-WDT500/501 Watchdog timer"
1292	depends on PCI
1293	---help---
1294	  If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1295
1296	  If you have a PCI-WDT501 watchdog board then you can enable the
1297	  temperature sensor by setting the type parameter to 501.
1298
1299	  If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1300	  can do this via the tachometer parameter. Only do this if you have a
1301	  fan tachometer actually set up.
1302
1303	  To compile this driver as a module, choose M here: the
1304	  module will be called wdt_pci.
1305
1306#
1307# USB-based Watchdog Cards
1308#
1309
1310comment "USB-based Watchdog Cards"
1311	depends on USB
1312
1313config USBPCWATCHDOG
1314	tristate "Berkshire Products USB-PC Watchdog"
1315	depends on USB
1316	---help---
1317	  This is the driver for the Berkshire Products USB-PC Watchdog card.
1318	  This card simply watches your kernel to make sure it doesn't freeze,
1319	  and if it does, it reboots your computer after a certain amount of
1320	  time. The card can also monitor the internal temperature of the PC.
1321	  More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1322
1323	  To compile this driver as a module, choose M here: the
1324	  module will be called pcwd_usb.
1325
1326	  Most people will say N.
1327
1328endif # WATCHDOG
1329