xref: /linux/drivers/watchdog/Kconfig (revision a1087ef6abedf0bfd60e5e3fddf33192cb2c1325)
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, 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, 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
421
422config GEODE_WDT
423	tristate "AMD Geode CS5535/CS5536 Watchdog"
424	depends on CS5535_MFGPT
425	help
426	  This driver enables a watchdog capability built into the
427	  CS5535/CS5536 companion chips for the AMD Geode GX and LX
428	  processors.  This watchdog watches your kernel to make sure
429	  it doesn't freeze, and if it does, it reboots your computer after
430	  a certain amount of time.
431
432	  You can compile this driver directly into the kernel, or use
433	  it as a module.  The module will be called geodewdt.
434
435config SC520_WDT
436	tristate "AMD Elan SC520 processor Watchdog"
437	depends on X86
438	help
439	  This is the driver for the hardware watchdog built in to the
440	  AMD "Elan" SC520 microcomputer commonly used in embedded systems.
441	  This watchdog simply watches your kernel to make sure it doesn't
442	  freeze, and if it does, it reboots your computer after a certain
443	  amount of time.
444
445	  You can compile this driver directly into the kernel, or use
446	  it as a module.  The module will be called sc520_wdt.
447
448config SBC_FITPC2_WATCHDOG
449	tristate "Compulab SBC-FITPC2 watchdog"
450	depends on X86
451	---help---
452	  This is the driver for the built-in watchdog timer on the fit-PC2,
453	  fit-PC2i, CM-iAM single-board computers made by Compulab.
454
455	  It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
456	  When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
457
458	  Entering BIOS setup temporary disables watchdog operation regardless to current state,
459	  so system will not be restarted while user in BIOS setup.
460
461	  Once watchdog was enabled the system will be restarted every
462	  "Watchdog Timer Value" period, so to prevent it user can restart or
463	  disable the watchdog.
464
465	  To compile this driver as a module, choose M here: the
466	  module will be called sbc_fitpc2_wdt.
467
468	  Most people will say N.
469
470config EUROTECH_WDT
471	tristate "Eurotech CPU-1220/1410 Watchdog Timer"
472	depends on X86
473	help
474	  Enable support for the watchdog timer on the Eurotech CPU-1220 and
475	  CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
476	  information are at <http://www.eurotech.it/>.
477
478config IB700_WDT
479	tristate "IB700 SBC Watchdog Timer"
480	depends on X86
481	---help---
482	  This is the driver for the hardware watchdog on the IB700 Single
483	  Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
484	  simply watches your kernel to make sure it doesn't freeze, and if
485	  it does, it reboots your computer after a certain amount of time.
486
487	  This driver is like the WDT501 driver but for slightly different hardware.
488
489	  To compile this driver as a module, choose M here: the
490	  module will be called ib700wdt.
491
492	  Most people will say N.
493
494config IBMASR
495	tristate "IBM Automatic Server Restart"
496	depends on X86
497	help
498	  This is the driver for the IBM Automatic Server Restart watchdog
499	  timer built-in into some eServer xSeries machines.
500
501	  To compile this driver as a module, choose M here: the
502	  module will be called ibmasr.
503
504config WAFER_WDT
505	tristate "ICP Single Board Computer Watchdog Timer"
506	depends on X86
507	help
508	  This is a driver for the hardware watchdog on the ICP Single
509	  Board Computer. This driver is working on (at least) the following
510	  IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
511
512	  To compile this driver as a module, choose M here: the
513	  module will be called wafer5823wdt.
514
515config I6300ESB_WDT
516	tristate "Intel 6300ESB Timer/Watchdog"
517	depends on X86 && PCI
518	---help---
519	  Hardware driver for the watchdog timer built into the Intel
520	  6300ESB controller hub.
521
522	  To compile this driver as a module, choose M here: the
523	  module will be called i6300esb.
524
525config ITCO_WDT
526	tristate "Intel TCO Timer/Watchdog"
527	depends on (X86 || IA64) && PCI
528	---help---
529	  Hardware driver for the intel TCO timer based watchdog devices.
530	  These drivers are included in the Intel 82801 I/O Controller
531	  Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
532	  controller hub.
533
534	  The TCO (Total Cost of Ownership) timer is a watchdog timer
535	  that will reboot the machine after its second expiration. The
536	  expiration time can be configured with the "heartbeat" parameter.
537
538	  On some motherboards the driver may fail to reset the chipset's
539	  NO_REBOOT flag which prevents the watchdog from rebooting the
540	  machine. If this is the case you will get a kernel message like
541	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
542
543	  To compile this driver as a module, choose M here: the
544	  module will be called iTCO_wdt.
545
546config ITCO_VENDOR_SUPPORT
547	bool "Intel TCO Timer/Watchdog Specific Vendor Support"
548	depends on ITCO_WDT
549	---help---
550	  Add vendor specific support to the intel TCO timer based watchdog
551	  devices. At this moment we only have additional support for some
552	  SuperMicro Inc. motherboards.
553
554config IT8712F_WDT
555	tristate "IT8712F (Smart Guardian) Watchdog Timer"
556	depends on X86
557	---help---
558	  This is the driver for the built-in watchdog timer on the IT8712F
559	  Super I/0 chipset used on many motherboards.
560
561	  To compile this driver as a module, choose M here: the
562	  module will be called it8712f_wdt.
563
564config IT87_WDT
565	tristate "IT87 Watchdog Timer"
566	depends on X86 && EXPERIMENTAL
567	---help---
568	  This is the driver for the hardware watchdog on the ITE IT8702,
569	  IT8712, IT8716, IT8718, IT8720, IT8726, IT8712 Super I/O chips.
570	  This watchdog simply watches your kernel to make sure it doesn't
571	  freeze, and if it does, it reboots your computer after a certain
572	  amount of time.
573
574	  To compile this driver as a module, choose M here: the module will
575	  be called it87_wdt.
576
577config HP_WATCHDOG
578	tristate "HP Proliant iLO2+ Hardware Watchdog Timer"
579	depends on X86
580	help
581	  A software monitoring watchdog and NMI sourcing driver. This driver
582	  will detect lockups and provide a stack trace. This is a driver that
583	  will only load on a HP ProLiant system with a minimum of iLO2 support.
584	  To compile this driver as a module, choose M here: the module will be
585	  called hpwdt.
586
587config HPWDT_NMI_DECODING
588	bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
589	depends on HP_WATCHDOG
590	help
591	  When an NMI occurs this feature will make the necessary BIOS calls to
592	  log the cause of the NMI.
593
594config SC1200_WDT
595	tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
596	depends on X86
597	help
598	  This is a driver for National Semiconductor PC87307/PC97307 hardware
599	  watchdog cards as found on the SC1200. This watchdog is mainly used
600	  for power management purposes and can be used to power down the device
601	  during inactivity periods (includes interrupt activity monitoring).
602
603	  To compile this driver as a module, choose M here: the
604	  module will be called sc1200wdt.
605
606	  Most people will say N.
607
608config SCx200_WDT
609	tristate "National Semiconductor SCx200 Watchdog"
610	depends on SCx200 && PCI
611	help
612	  Enable the built-in watchdog timer support on the National
613	  Semiconductor SCx200 processors.
614
615	  If compiled as a module, it will be called scx200_wdt.
616
617config PC87413_WDT
618	tristate "NS PC87413 watchdog"
619	depends on X86
620	---help---
621	  This is the driver for the hardware watchdog on the PC87413 chipset
622	  This watchdog simply watches your kernel to make sure it doesn't
623	  freeze, and if it does, it reboots your computer after a certain
624	  amount of time.
625
626	  To compile this driver as a module, choose M here: the
627	  module will be called pc87413_wdt.
628
629	  Most people will say N.
630
631config RDC321X_WDT
632	tristate "RDC R-321x SoC watchdog"
633	depends on X86_RDC321X
634	help
635	  This is the driver for the built in hardware watchdog
636	  in the RDC R-321x SoC.
637
638	  To compile this driver as a module, choose M here: the
639	  module will be called rdc321x_wdt.
640
641config 60XX_WDT
642	tristate "SBC-60XX Watchdog Timer"
643	depends on X86
644	help
645	  This driver can be used with the watchdog timer found on some
646	  single board computers, namely the 6010 PII based computer.
647	  It may well work with other cards.  It reads port 0x443 to enable
648	  and re-set the watchdog timer, and reads port 0x45 to disable
649	  the watchdog.  If you have a card that behave in similar ways,
650	  you can probably make this driver work with your card as well.
651
652	  You can compile this driver directly into the kernel, or use
653	  it as a module.  The module will be called sbc60xxwdt.
654
655config SBC8360_WDT
656	tristate "SBC8360 Watchdog Timer"
657	depends on X86
658	---help---
659
660	  This is the driver for the hardware watchdog on the SBC8360 Single
661	  Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
662
663	  To compile this driver as a module, choose M here: the
664	  module will be called sbc8360.
665
666	  Most people will say N.
667
668config SBC7240_WDT
669	tristate "SBC Nano 7240 Watchdog Timer"
670	depends on X86_32
671	---help---
672	  This is the driver for the hardware watchdog found on the IEI
673	  single board computers EPIC Nano 7240 (and likely others). This
674	  watchdog simply watches your kernel to make sure it doesn't freeze,
675	  and if it does, it reboots your computer after a certain amount of
676	  time.
677
678	  To compile this driver as a module, choose M here: the
679	  module will be called sbc7240_wdt.
680
681config CPU5_WDT
682	tristate "SMA CPU5 Watchdog"
683	depends on X86
684	---help---
685	  TBD.
686	  To compile this driver as a module, choose M here: the
687	  module will be called cpu5wdt.
688
689config SMSC_SCH311X_WDT
690	tristate "SMSC SCH311X Watchdog Timer"
691	depends on X86
692	---help---
693	  This is the driver for the hardware watchdog timer on the
694	  SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
695	  (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
696	  serial ports).
697
698	  To compile this driver as a module, choose M here: the
699	  module will be called sch311x_wdt.
700
701config SMSC37B787_WDT
702	tristate "Winbond SMsC37B787 Watchdog Timer"
703	depends on X86
704	---help---
705	  This is the driver for the hardware watchdog component on the
706	  Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
707	  from Vision Systems and maybe others.
708
709	  This watchdog simply watches your kernel to make sure it doesn't
710	  freeze, and if it does, it reboots your computer after a certain
711	  amount of time.
712
713	  Usually a userspace daemon will notify the kernel WDT driver that
714	  userspace is still alive, at regular intervals.
715
716	  To compile this driver as a module, choose M here: the
717	  module will be called smsc37b787_wdt.
718
719	  Most people will say N.
720
721config W83627HF_WDT
722	tristate "W83627HF Watchdog Timer"
723	depends on X86
724	---help---
725	  This is the driver for the hardware watchdog on the W83627HF chipset
726	  as used in Advantech PC-9578 and Tyan S2721-533 motherboards
727	  (and likely others).  This watchdog simply watches your kernel to
728	  make sure it doesn't freeze, and if it does, it reboots your computer
729	  after a certain amount of time.
730
731	  To compile this driver as a module, choose M here: the
732	  module will be called w83627hf_wdt.
733
734	  Most people will say N.
735
736config W83697HF_WDT
737	tristate "W83697HF/W83697HG Watchdog Timer"
738	depends on X86
739	---help---
740	  This is the driver for the hardware watchdog on the W83697HF/HG
741	  chipset as used in Dedibox/VIA motherboards (and likely others).
742	  This watchdog simply watches your kernel to make sure it doesn't
743	  freeze, and if it does, it reboots your computer after a certain
744	  amount of time.
745
746	  To compile this driver as a module, choose M here: the
747	  module will be called w83697hf_wdt.
748
749	  Most people will say N.
750
751config W83697UG_WDT
752	tristate "W83697UG/W83697UF Watchdog Timer"
753	depends on X86
754	---help---
755	  This is the driver for the hardware watchdog on the W83697UG/UF
756	  chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
757	  This watchdog simply watches your kernel to make sure it doesn't
758	  freeze, and if it does, it reboots your computer after a certain
759	  amount of time.
760
761	  To compile this driver as a module, choose M here: the
762	  module will be called w83697ug_wdt.
763
764	  Most people will say N.
765
766config W83877F_WDT
767	tristate "W83877F (EMACS) Watchdog Timer"
768	depends on X86
769	---help---
770	  This is the driver for the hardware watchdog on the W83877F chipset
771	  as used in EMACS PC-104 motherboards (and likely others).  This
772	  watchdog simply watches your kernel to make sure it doesn't freeze,
773	  and if it does, it reboots your computer after a certain amount of
774	  time.
775
776	  To compile this driver as a module, choose M here: the
777	  module will be called w83877f_wdt.
778
779	  Most people will say N.
780
781config W83977F_WDT
782	tristate "W83977F (PCM-5335) Watchdog Timer"
783	depends on X86
784	---help---
785	  This is the driver for the hardware watchdog on the W83977F I/O chip
786	  as used in AAEON's PCM-5335 SBC (and likely others).  This
787	  watchdog simply watches your kernel to make sure it doesn't freeze,
788	  and if it does, it reboots your computer after a certain amount of
789	  time.
790
791	  To compile this driver as a module, choose M here: the
792	  module will be called w83977f_wdt.
793
794config MACHZ_WDT
795	tristate "ZF MachZ Watchdog"
796	depends on X86
797	---help---
798	  If you are using a ZF Micro MachZ processor, say Y here, otherwise
799	  N.  This is the driver for the watchdog timer built-in on that
800	  processor using ZF-Logic interface.  This watchdog simply watches
801	  your kernel to make sure it doesn't freeze, and if it does, it
802	  reboots your computer after a certain amount of time.
803
804	  To compile this driver as a module, choose M here: the
805	  module will be called machzwd.
806
807config SBC_EPX_C3_WATCHDOG
808	tristate "Winsystems SBC EPX-C3 watchdog"
809	depends on X86
810	---help---
811	  This is the driver for the built-in watchdog timer on the EPX-C3
812	  Single-board computer made by Winsystems, Inc.
813
814	  *Note*: This hardware watchdog is not probeable and thus there
815	  is no way to know if writing to its IO address will corrupt
816	  your system or have any real effect.  The only way to be sure
817	  that this driver does what you want is to make sure you
818	  are running it on an EPX-C3 from Winsystems with the watchdog
819	  timer at IO address 0x1ee and 0x1ef.  It will write to both those
820	  IO ports.  Basically, the assumption is made that if you compile
821	  this driver into your kernel and/or load it as a module, that you
822	  know what you are doing and that you are in fact running on an
823	  EPX-C3 board!
824
825	  To compile this driver as a module, choose M here: the
826	  module will be called sbc_epx_c3.
827
828# M32R Architecture
829
830# M68K Architecture
831
832# M68KNOMMU Architecture
833
834# MIPS Architecture
835
836config BCM47XX_WDT
837	tristate "Broadcom BCM47xx Watchdog Timer"
838	depends on BCM47XX
839	help
840	  Hardware driver for the Broadcom BCM47xx Watchog Timer.
841
842config RC32434_WDT
843	tristate "IDT RC32434 SoC Watchdog Timer"
844	depends on MIKROTIK_RB532
845	help
846	  Hardware driver for the IDT RC32434 SoC built-in
847	  watchdog timer.
848
849	  To compile this driver as a module, choose M here: the
850	  module will be called rc32434_wdt.
851
852config INDYDOG
853	tristate "Indy/I2 Hardware Watchdog"
854	depends on SGI_HAS_INDYDOG
855	help
856	  Hardware driver for the Indy's/I2's watchdog. This is a
857	  watchdog timer that will reboot the machine after a 60 second
858	  timer expired and no process has written to /dev/watchdog during
859	  that time.
860
861config WDT_MTX1
862	tristate "MTX-1 Hardware Watchdog"
863	depends on MIPS_MTX1
864	help
865	  Hardware driver for the MTX-1 boards. This is a watchdog timer that
866	  will reboot the machine after a 100 seconds timer expired.
867
868config PNX833X_WDT
869	tristate "PNX833x Hardware Watchdog"
870	depends on SOC_PNX8335
871	help
872	  Hardware driver for the PNX833x's watchdog. This is a
873	  watchdog timer that will reboot the machine after a programable
874	  timer has expired and no process has written to /dev/watchdog during
875	  that time.
876
877config SIBYTE_WDOG
878	tristate "Sibyte SoC hardware watchdog"
879	depends on CPU_SB1
880	help
881	  Watchdog driver for the built in watchdog hardware in Sibyte
882	  SoC processors.  There are apparently two watchdog timers
883	  on such processors; this driver supports only the first one,
884	  because currently Linux only supports exporting one watchdog
885	  to userspace.
886
887	  To compile this driver as a loadable module, choose M here.
888	  The module will be called sb_wdog.
889
890config AR7_WDT
891	tristate "TI AR7 Watchdog Timer"
892	depends on AR7
893	help
894	  Hardware driver for the TI AR7 Watchdog Timer.
895
896config TXX9_WDT
897	tristate "Toshiba TXx9 Watchdog Timer"
898	depends on CPU_TX39XX || CPU_TX49XX
899	help
900	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
901
902config OCTEON_WDT
903	tristate "Cavium OCTEON SOC family Watchdog Timer"
904	depends on CPU_CAVIUM_OCTEON
905	default y
906	select EXPORT_UASM if OCTEON_WDT = m
907	help
908	  Hardware driver for OCTEON's on chip watchdog timer.
909	  Enables the watchdog for all cores running Linux. It
910	  installs a NMI handler and pokes the watchdog based on an
911	  interrupt.  On first expiration of the watchdog, the
912	  interrupt handler pokes it.  The second expiration causes an
913	  NMI that prints a message. The third expiration causes a
914	  global soft reset.
915
916	  When userspace has /dev/watchdog open, no poking is done
917	  from the first interrupt, it is then only poked when the
918	  device is written.
919
920config BCM63XX_WDT
921	tristate "Broadcom BCM63xx hardware watchdog"
922	depends on BCM63XX
923	help
924	  Watchdog driver for the built in watchdog hardware in Broadcom
925	  BCM63xx SoC.
926
927	  To compile this driver as a loadable module, choose M here.
928	  The module will be called bcm63xx_wdt.
929
930# PARISC Architecture
931
932# POWERPC Architecture
933
934config GEF_WDT
935	tristate "GE Watchdog Timer"
936	depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
937	---help---
938	  Watchdog timer found in a number of GE single board computers.
939
940config MPC5200_WDT
941	bool "MPC52xx Watchdog Timer"
942	depends on PPC_MPC52xx
943	help
944	  Use General Purpose Timer (GPT) 0 on the MPC5200 as Watchdog.
945
946config 8xxx_WDT
947	tristate "MPC8xxx Platform Watchdog Timer"
948	depends on PPC_8xx || PPC_83xx || PPC_86xx
949	help
950	  This driver is for a SoC level watchdog that exists on some
951	  Freescale PowerPC processors. So far this driver supports:
952	  - MPC8xx watchdogs
953	  - MPC83xx watchdogs
954	  - MPC86xx watchdogs
955
956	  For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
957
958config MV64X60_WDT
959	tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
960	depends on MV64X60
961
962config PIKA_WDT
963	tristate "PIKA FPGA Watchdog"
964	depends on WARP
965	default y
966	help
967	  This enables the watchdog in the PIKA FPGA. Currently used on
968	  the Warp platform.
969
970config BOOKE_WDT
971	tristate "PowerPC Book-E Watchdog Timer"
972	depends on BOOKE || 4xx
973	---help---
974	  Watchdog driver for PowerPC Book-E chips, such as the Freescale
975	  MPC85xx SOCs and the IBM PowerPC 440.
976
977	  Please see Documentation/watchdog/watchdog-api.txt for
978	  more information.
979
980config BOOKE_WDT_DEFAULT_TIMEOUT
981	int "PowerPC Book-E Watchdog Timer Default Timeout"
982	depends on BOOKE_WDT
983	default 38 if FSL_BOOKE
984	range 0 63 if FSL_BOOKE
985	default 3 if !FSL_BOOKE
986	range 0 3 if !FSL_BOOKE
987	help
988	  Select the default watchdog timer period to be used by the PowerPC
989	  Book-E watchdog driver.  A watchdog "event" occurs when the bit
990	  position represented by this number transitions from zero to one.
991
992	  For Freescale Book-E processors, this is a number between 0 and 63.
993	  For other Book-E processors, this is a number between 0 and 3.
994
995	  The value can be overidden by the wdt_period command-line parameter.
996
997# PPC64 Architecture
998
999config WATCHDOG_RTAS
1000	tristate "RTAS watchdog"
1001	depends on PPC_RTAS
1002	help
1003	  This driver adds watchdog support for the RTAS watchdog.
1004
1005	  To compile this driver as a module, choose M here. The module
1006	  will be called wdrtas.
1007
1008# S390 Architecture
1009
1010config ZVM_WATCHDOG
1011	tristate "z/VM Watchdog Timer"
1012	depends on S390
1013	help
1014	  IBM s/390 and zSeries machines running under z/VM 5.1 or later
1015	  provide a virtual watchdog timer to their guest that cause a
1016	  user define Control Program command to be executed after a
1017	  timeout.
1018
1019	  To compile this driver as a module, choose M here. The module
1020	  will be called vmwatchdog.
1021
1022# SUPERH (sh + sh64) Architecture
1023
1024config SH_WDT
1025	tristate "SuperH Watchdog"
1026	depends on SUPERH && (CPU_SH3 || CPU_SH4)
1027	help
1028	  This driver adds watchdog support for the integrated watchdog in the
1029	  SuperH processors. If you have one of these processors and wish
1030	  to have watchdog support enabled, say Y, otherwise say N.
1031
1032	  As a side note, saying Y here will automatically boost HZ to 1000
1033	  so that the timer has a chance to clear the overflow counter. On
1034	  slower systems (such as the SH-2 and SH-3) this will likely yield
1035	  some performance issues. As such, the WDT should be avoided here
1036	  unless it is absolutely necessary.
1037
1038	  To compile this driver as a module, choose M here: the
1039	  module will be called shwdt.
1040
1041config SH_WDT_MMAP
1042	bool "Allow mmap of SH WDT"
1043	default n
1044	depends on SH_WDT
1045	help
1046	  If you say Y here, user applications will be able to mmap the
1047	  WDT/CPG registers.
1048
1049# SPARC Architecture
1050
1051# SPARC64 Architecture
1052
1053config WATCHDOG_CP1XXX
1054	tristate "CP1XXX Hardware Watchdog support"
1055	depends on SPARC64 && PCI
1056	---help---
1057	  This is the driver for the hardware watchdog timers present on
1058	  Sun Microsystems CompactPCI models CP1400 and CP1500.
1059
1060	  To compile this driver as a module, choose M here: the
1061	  module will be called cpwatchdog.
1062
1063	  If you do not have a CompactPCI model CP1400 or CP1500, or
1064	  another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
1065	  you should say N to this option.
1066
1067config WATCHDOG_RIO
1068	tristate "RIO Hardware Watchdog support"
1069	depends on SPARC64 && PCI
1070	help
1071	  Say Y here to support the hardware watchdog capability on Sun RIO
1072	  machines.  The watchdog timeout period is normally one minute but
1073	  can be changed with a boot-time parameter.
1074
1075# XTENSA Architecture
1076
1077#
1078# ISA-based Watchdog Cards
1079#
1080
1081comment "ISA-based Watchdog Cards"
1082	depends on ISA
1083
1084config PCWATCHDOG
1085	tristate "Berkshire Products ISA-PC Watchdog"
1086	depends on ISA
1087	---help---
1088	  This is the driver for the Berkshire Products ISA-PC Watchdog card.
1089	  This card simply watches your kernel to make sure it doesn't freeze,
1090	  and if it does, it reboots your computer after a certain amount of
1091	  time. This driver is like the WDT501 driver but for different
1092	  hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
1093	  watchdog cards can be ordered from <http://www.berkprod.com/>.
1094
1095	  To compile this driver as a module, choose M here: the
1096	  module will be called pcwd.
1097
1098	  Most people will say N.
1099
1100config MIXCOMWD
1101	tristate "Mixcom Watchdog"
1102	depends on ISA
1103	---help---
1104	  This is a driver for the Mixcom hardware watchdog cards.  This
1105	  watchdog simply watches your kernel to make sure it doesn't freeze,
1106	  and if it does, it reboots your computer after a certain amount of
1107	  time.
1108
1109	  To compile this driver as a module, choose M here: the
1110	  module will be called mixcomwd.
1111
1112	  Most people will say N.
1113
1114config WDT
1115	tristate "WDT Watchdog timer"
1116	depends on ISA
1117	---help---
1118	  If you have a WDT500P or WDT501P watchdog board, say Y here,
1119	  otherwise N. It is not possible to probe for this board, which means
1120	  that you have to inform the kernel about the IO port and IRQ that
1121	  is needed (you can do this via the io and irq parameters)
1122
1123	  To compile this driver as a module, choose M here: the
1124	  module will be called wdt.
1125
1126#
1127# PCI-based Watchdog Cards
1128#
1129
1130comment "PCI-based Watchdog Cards"
1131	depends on PCI
1132
1133config PCIPCWATCHDOG
1134	tristate "Berkshire Products PCI-PC Watchdog"
1135	depends on PCI
1136	---help---
1137	  This is the driver for the Berkshire Products PCI-PC Watchdog card.
1138	  This card simply watches your kernel to make sure it doesn't freeze,
1139	  and if it does, it reboots your computer after a certain amount of
1140	  time. The card can also monitor the internal temperature of the PC.
1141	  More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
1142
1143	  To compile this driver as a module, choose M here: the
1144	  module will be called pcwd_pci.
1145
1146	  Most people will say N.
1147
1148config WDTPCI
1149	tristate "PCI-WDT500/501 Watchdog timer"
1150	depends on PCI
1151	---help---
1152	  If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1153
1154	  If you have a PCI-WDT501 watchdog board then you can enable the
1155	  temperature sensor by setting the type parameter to 501.
1156
1157	  If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1158	  can do this via the tachometer parameter. Only do this if you have a
1159	  fan tachometer actually set up.
1160
1161	  To compile this driver as a module, choose M here: the
1162	  module will be called wdt_pci.
1163
1164#
1165# USB-based Watchdog Cards
1166#
1167
1168comment "USB-based Watchdog Cards"
1169	depends on USB
1170
1171config USBPCWATCHDOG
1172	tristate "Berkshire Products USB-PC Watchdog"
1173	depends on USB
1174	---help---
1175	  This is the driver for the Berkshire Products USB-PC Watchdog card.
1176	  This card simply watches your kernel to make sure it doesn't freeze,
1177	  and if it does, it reboots your computer after a certain amount of
1178	  time. The card can also monitor the internal temperature of the PC.
1179	  More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1180
1181	  To compile this driver as a module, choose M here: the
1182	  module will be called pcwd_usb.
1183
1184	  Most people will say N.
1185
1186endif # WATCHDOG
1187