xref: /linux/drivers/watchdog/Kconfig (revision accde1684ff1ea607557fb7224d2dd57775117e1)
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 WM8350_WATCHDOG
59	tristate "WM8350 watchdog"
60	depends on MFD_WM8350
61	help
62	  Support for the watchdog in the WM8350 AudioPlus PMIC.  When
63	  the watchdog triggers the system will be reset.
64
65# ALPHA Architecture
66
67# ARM Architecture
68
69config AT91RM9200_WATCHDOG
70	tristate "AT91RM9200 watchdog"
71	depends on ARCH_AT91RM9200
72	help
73	  Watchdog timer embedded into AT91RM9200 chips. This will reboot your
74	  system when the timeout is reached.
75
76config AT91SAM9X_WATCHDOG
77	tristate "AT91SAM9X / AT91CAP9 watchdog"
78	depends on ARCH_AT91 && !ARCH_AT91RM9200
79	help
80	  Watchdog timer embedded into AT91SAM9X and AT91CAP9 chips. This will
81	  reboot your system when the timeout is reached.
82
83config 21285_WATCHDOG
84	tristate "DC21285 watchdog"
85	depends on FOOTBRIDGE
86	help
87	  The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
88	  here if you wish to use this. Alternatively say M to compile the
89	  driver as a module, which will be called wdt285.
90
91	  This driver does not work on all machines. In particular, early CATS
92	  boards have hardware problems that will cause the machine to simply
93	  lock up if the watchdog fires.
94
95	  "If in doubt, leave it out" - say N.
96
97config 977_WATCHDOG
98	tristate "NetWinder WB83C977 watchdog"
99	depends on FOOTBRIDGE && ARCH_NETWINDER
100	help
101	  Say Y here to include support for the WB977 watchdog included in
102	  NetWinder machines. Alternatively say M to compile the driver as
103	  a module, which will be called wdt977.
104
105	  Not sure? It's safe to say N.
106
107config IXP2000_WATCHDOG
108	tristate "IXP2000 Watchdog"
109	depends on ARCH_IXP2000
110	help
111	  Say Y here if to include support for the watchdog timer
112	  in the Intel IXP2000(2400, 2800, 2850) network processors.
113	  This driver can be built as a module by choosing M. The module
114	  will be called ixp2000_wdt.
115
116	  Say N if you are unsure.
117
118config IXP4XX_WATCHDOG
119	tristate "IXP4xx Watchdog"
120	depends on ARCH_IXP4XX
121	help
122	  Say Y here if to include support for the watchdog timer
123	  in the Intel IXP4xx network processors. This driver can
124	  be built as a module by choosing M. The module will
125	  be called ixp4xx_wdt.
126
127	  Note: The internal IXP4xx watchdog does a soft CPU reset
128	  which doesn't reset any peripherals. There are circumstances
129	  where the watchdog will fail to reset the board correctly
130	  (e.g., if the boot ROM is in an unreadable state).
131
132	  Say N if you are unsure.
133
134config KS8695_WATCHDOG
135	tristate "KS8695 watchdog"
136	depends on ARCH_KS8695
137	help
138	  Watchdog timer embedded into KS8695 processor. This will reboot your
139	  system when the timeout is reached.
140
141config S3C2410_WATCHDOG
142	tristate "S3C2410 Watchdog"
143	depends on ARCH_S3C2410
144	help
145	  Watchdog timer block in the Samsung S3C2410 chips. This will
146	  reboot the system when the timer expires with the watchdog
147	  enabled.
148
149	  The driver is limited by the speed of the system's PCLK
150	  signal, so with reasonably fast systems (PCLK around 50-66MHz)
151	  then watchdog intervals of over approximately 20seconds are
152	  unavailable.
153
154	  The driver can be built as a module by choosing M, and will
155	  be called s3c2410_wdt
156
157config SA1100_WATCHDOG
158	tristate "SA1100/PXA2xx watchdog"
159	depends on ARCH_SA1100 || ARCH_PXA
160	help
161	  Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
162	  reboot your system when timeout is reached.
163
164	  NOTE: once enabled, this timer cannot be disabled.
165
166	  To compile this driver as a module, choose M here: the
167	  module will be called sa1100_wdt.
168
169config MPCORE_WATCHDOG
170	tristate "MPcore watchdog"
171	depends on ARM_MPCORE_PLATFORM && LOCAL_TIMERS
172	help
173	  Watchdog timer embedded into the MPcore system.
174
175	  To compile this driver as a module, choose M here: the
176	  module will be called mpcore_wdt.
177
178config EP93XX_WATCHDOG
179	tristate "EP93xx Watchdog"
180	depends on ARCH_EP93XX
181	help
182	  Say Y here if to include support for the watchdog timer
183	  embedded in the Cirrus Logic EP93xx family of devices.
184
185	  To compile this driver as a module, choose M here: the
186	  module will be called ep93xx_wdt.
187
188config OMAP_WATCHDOG
189	tristate "OMAP Watchdog"
190	depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX
191	help
192	  Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430 watchdog.  Say 'Y'
193	  here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430 watchdog timer.
194
195config PNX4008_WATCHDOG
196	tristate "PNX4008 Watchdog"
197	depends on ARCH_PNX4008
198	help
199	  Say Y here if to include support for the watchdog timer
200	  in the PNX4008 processor.
201	  This driver can be built as a module by choosing M. The module
202	  will be called pnx4008_wdt.
203
204	  Say N if you are unsure.
205
206config IOP_WATCHDOG
207	tristate "IOP Watchdog"
208	depends on PLAT_IOP
209	select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
210	help
211	  Say Y here if to include support for the watchdog timer
212	  in the Intel IOP3XX & IOP13XX I/O Processors.  This driver can
213	  be built as a module by choosing M. The module will
214	  be called iop_wdt.
215
216	  Note: The IOP13XX watchdog does an Internal Bus Reset which will
217	  affect both cores and the peripherals of the IOP.  The ATU-X
218	  and/or ATUe configuration registers will remain intact, but if
219	  operating as an Root Complex and/or Central Resource, the PCI-X
220	  and/or PCIe busses will also be reset.  THIS IS A VERY BIG HAMMER.
221
222config DAVINCI_WATCHDOG
223	tristate "DaVinci watchdog"
224	depends on ARCH_DAVINCI
225	help
226	  Say Y here if to include support for the watchdog timer
227	  in the DaVinci DM644x/DM646x processors.
228	  To compile this driver as a module, choose M here: the
229	  module will be called davinci_wdt.
230
231	  NOTE: once enabled, this timer cannot be disabled.
232	  Say N if you are unsure.
233
234config ORION_WATCHDOG
235	tristate "Orion watchdog"
236	depends on ARCH_ORION5X || ARCH_KIRKWOOD
237	help
238	  Say Y here if to include support for the watchdog timer
239	  in the Marvell Orion5x and Kirkwood ARM SoCs.
240	  To compile this driver as a module, choose M here: the
241	  module will be called orion_wdt.
242
243config COH901327_WATCHDOG
244	bool "ST-Ericsson COH 901 327 watchdog"
245	depends on ARCH_U300
246	default y if MACH_U300
247	help
248	  Say Y here to include Watchdog timer support for the
249	  watchdog embedded into the ST-Ericsson U300 series platforms.
250	  This watchdog is used to reset the system and thus cannot be
251	  compiled as a module.
252
253config TWL4030_WATCHDOG
254	tristate "TWL4030 Watchdog"
255	depends on TWL4030_CORE
256	help
257	  Support for TI TWL4030 watchdog.  Say 'Y' here to enable the
258	  watchdog timer support for TWL4030 chips.
259
260config STMP3XXX_WATCHDOG
261	tristate "Freescale STMP3XXX watchdog"
262	depends on ARCH_STMP3XXX
263	help
264	  Say Y here if to include support for the watchdog timer
265	  for the Sigmatel STMP37XX/378X SoC.
266	  To compile this driver as a module, choose M here: the
267	  module will be called stmp3xxx_wdt.
268
269# AVR32 Architecture
270
271config AT32AP700X_WDT
272	tristate "AT32AP700x watchdog"
273	depends on CPU_AT32AP700X
274	help
275	  Watchdog timer embedded into AT32AP700x devices. This will reboot
276	  your system when the timeout is reached.
277
278# BLACKFIN Architecture
279
280config BFIN_WDT
281	tristate "Blackfin On-Chip Watchdog Timer"
282	depends on BLACKFIN
283	---help---
284	  If you say yes here you will get support for the Blackfin On-Chip
285	  Watchdog Timer. If you have one of these processors and wish to
286	  have watchdog support enabled, say Y, otherwise say N.
287
288	  To compile this driver as a module, choose M here: the
289	  module will be called bfin_wdt.
290
291# CRIS Architecture
292
293# FRV Architecture
294
295# H8300 Architecture
296
297# X86 (i386 + ia64 + x86_64) Architecture
298
299config ACQUIRE_WDT
300	tristate "Acquire SBC Watchdog Timer"
301	depends on X86
302	---help---
303	  This is the driver for the hardware watchdog on Single Board
304	  Computers produced by Acquire Inc (and others). This watchdog
305	  simply watches your kernel to make sure it doesn't freeze, and if
306	  it does, it reboots your computer after a certain amount of time.
307
308	  To compile this driver as a module, choose M here: the
309	  module will be called acquirewdt.
310
311	  Most people will say N.
312
313config ADVANTECH_WDT
314	tristate "Advantech SBC Watchdog Timer"
315	depends on X86
316	help
317	  If you are configuring a Linux kernel for the Advantech single-board
318	  computer, say `Y' here to support its built-in watchdog timer
319	  feature. More information can be found at
320	  <http://www.advantech.com.tw/products/>
321
322config ALIM1535_WDT
323	tristate "ALi M1535 PMU Watchdog Timer"
324	depends on X86 && PCI
325	---help---
326	  This is the driver for the hardware watchdog on the ALi M1535 PMU.
327
328	  To compile this driver as a module, choose M here: the
329	  module will be called alim1535_wdt.
330
331	  Most people will say N.
332
333config ALIM7101_WDT
334	tristate "ALi M7101 PMU Computer Watchdog"
335	depends on PCI
336	help
337	  This is the driver for the hardware watchdog on the ALi M7101 PMU
338	  as used in the x86 Cobalt servers and also found in some
339	  SPARC Netra servers too.
340
341	  To compile this driver as a module, choose M here: the
342	  module will be called alim7101_wdt.
343
344	  Most people will say N.
345
346config GEODE_WDT
347	tristate "AMD Geode CS5535/CS5536 Watchdog"
348	depends on MGEODE_LX
349	help
350	  This driver enables a watchdog capability built into the
351	  CS5535/CS5536 companion chips for the AMD Geode GX and LX
352	  processors.  This watchdog watches your kernel to make sure
353	  it doesn't freeze, and if it does, it reboots your computer after
354	  a certain amount of time.
355
356	  You can compile this driver directly into the kernel, or use
357	  it as a module.  The module will be called geodewdt.
358
359config SC520_WDT
360	tristate "AMD Elan SC520 processor Watchdog"
361	depends on X86
362	help
363	  This is the driver for the hardware watchdog built in to the
364	  AMD "Elan" SC520 microcomputer commonly used in embedded systems.
365	  This watchdog simply watches your kernel to make sure it doesn't
366	  freeze, and if it does, it reboots your computer after a certain
367	  amount of time.
368
369	  You can compile this driver directly into the kernel, or use
370	  it as a module.  The module will be called sc520_wdt.
371
372config EUROTECH_WDT
373	tristate "Eurotech CPU-1220/1410 Watchdog Timer"
374	depends on X86
375	help
376	  Enable support for the watchdog timer on the Eurotech CPU-1220 and
377	  CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
378	  information are at <http://www.eurotech.it/>.
379
380config IB700_WDT
381	tristate "IB700 SBC Watchdog Timer"
382	depends on X86
383	---help---
384	  This is the driver for the hardware watchdog on the IB700 Single
385	  Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
386	  simply watches your kernel to make sure it doesn't freeze, and if
387	  it does, it reboots your computer after a certain amount of time.
388
389	  This driver is like the WDT501 driver but for slightly different hardware.
390
391	  To compile this driver as a module, choose M here: the
392	  module will be called ib700wdt.
393
394	  Most people will say N.
395
396config IBMASR
397	tristate "IBM Automatic Server Restart"
398	depends on X86
399	help
400	  This is the driver for the IBM Automatic Server Restart watchdog
401	  timer built-in into some eServer xSeries machines.
402
403	  To compile this driver as a module, choose M here: the
404	  module will be called ibmasr.
405
406config WAFER_WDT
407	tristate "ICP Single Board Computer Watchdog Timer"
408	depends on X86
409	help
410	  This is a driver for the hardware watchdog on the ICP Single
411	  Board Computer. This driver is working on (at least) the following
412	  IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
413
414	  To compile this driver as a module, choose M here: the
415	  module will be called wafer5823wdt.
416
417config I6300ESB_WDT
418	tristate "Intel 6300ESB Timer/Watchdog"
419	depends on X86 && PCI
420	---help---
421	  Hardware driver for the watchdog timer built into the Intel
422	  6300ESB controller hub.
423
424	  To compile this driver as a module, choose M here: the
425	  module will be called i6300esb.
426
427config ITCO_WDT
428	tristate "Intel TCO Timer/Watchdog"
429	depends on (X86 || IA64) && PCI
430	---help---
431	  Hardware driver for the intel TCO timer based watchdog devices.
432	  These drivers are included in the Intel 82801 I/O Controller
433	  Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
434	  controller hub.
435
436	  The TCO (Total Cost of Ownership) timer is a watchdog timer
437	  that will reboot the machine after its second expiration. The
438	  expiration time can be configured with the "heartbeat" parameter.
439
440	  On some motherboards the driver may fail to reset the chipset's
441	  NO_REBOOT flag which prevents the watchdog from rebooting the
442	  machine. If this is the case you will get a kernel message like
443	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
444
445	  To compile this driver as a module, choose M here: the
446	  module will be called iTCO_wdt.
447
448config ITCO_VENDOR_SUPPORT
449	bool "Intel TCO Timer/Watchdog Specific Vendor Support"
450	depends on ITCO_WDT
451	---help---
452	  Add vendor specific support to the intel TCO timer based watchdog
453	  devices. At this moment we only have additional support for some
454	  SuperMicro Inc. motherboards.
455
456config IT8712F_WDT
457	tristate "IT8712F (Smart Guardian) Watchdog Timer"
458	depends on X86
459	---help---
460	  This is the driver for the built-in watchdog timer on the IT8712F
461	  Super I/0 chipset used on many motherboards.
462
463	  To compile this driver as a module, choose M here: the
464	  module will be called it8712f_wdt.
465
466config IT87_WDT
467	tristate "IT87 Watchdog Timer"
468	depends on X86 && EXPERIMENTAL
469	---help---
470	  This is the driver for the hardware watchdog on the ITE IT8716,
471	  IT8718, IT8726, IT8712(Version J,K) Super I/O chips. This watchdog
472	  simply watches your kernel to make sure it doesn't freeze, and if
473	  it does, it reboots your computer after a certain amount of time.
474
475	  To compile this driver as a module, choose M here: the module will
476	  be called it87_wdt.
477
478config HP_WATCHDOG
479	tristate "HP Proliant iLO 2 Hardware Watchdog Timer"
480	depends on X86
481	help
482	  A software monitoring watchdog and NMI sourcing driver. This driver
483	  will detect lockups and provide stack trace. Also, when an NMI
484	  occurs this driver will make the necessary BIOS calls to log
485	  the cause of the NMI. This is a driver that will only load on a
486	  HP ProLiant system with a minimum of iLO2 support.
487	  To compile this driver as a module, choose M here: the
488	  module will be called hpwdt.
489
490config SC1200_WDT
491	tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
492	depends on X86
493	help
494	  This is a driver for National Semiconductor PC87307/PC97307 hardware
495	  watchdog cards as found on the SC1200. This watchdog is mainly used
496	  for power management purposes and can be used to power down the device
497	  during inactivity periods (includes interrupt activity monitoring).
498
499	  To compile this driver as a module, choose M here: the
500	  module will be called sc1200wdt.
501
502	  Most people will say N.
503
504config SCx200_WDT
505	tristate "National Semiconductor SCx200 Watchdog"
506	depends on SCx200 && PCI
507	help
508	  Enable the built-in watchdog timer support on the National
509	  Semiconductor SCx200 processors.
510
511	  If compiled as a module, it will be called scx200_wdt.
512
513config PC87413_WDT
514	tristate "NS PC87413 watchdog"
515	depends on X86
516	---help---
517	  This is the driver for the hardware watchdog on the PC87413 chipset
518	  This watchdog simply watches your kernel to make sure it doesn't
519	  freeze, and if it does, it reboots your computer after a certain
520	  amount of time.
521
522	  To compile this driver as a module, choose M here: the
523	  module will be called pc87413_wdt.
524
525	  Most people will say N.
526
527config RDC321X_WDT
528	tristate "RDC R-321x SoC watchdog"
529	depends on X86_RDC321X
530	help
531	  This is the driver for the built in hardware watchdog
532	  in the RDC R-321x SoC.
533
534	  To compile this driver as a module, choose M here: the
535	  module will be called rdc321x_wdt.
536
537config 60XX_WDT
538	tristate "SBC-60XX Watchdog Timer"
539	depends on X86
540	help
541	  This driver can be used with the watchdog timer found on some
542	  single board computers, namely the 6010 PII based computer.
543	  It may well work with other cards.  It reads port 0x443 to enable
544	  and re-set the watchdog timer, and reads port 0x45 to disable
545	  the watchdog.  If you have a card that behave in similar ways,
546	  you can probably make this driver work with your card as well.
547
548	  You can compile this driver directly into the kernel, or use
549	  it as a module.  The module will be called sbc60xxwdt.
550
551config SBC8360_WDT
552	tristate "SBC8360 Watchdog Timer"
553	depends on X86
554	---help---
555
556	  This is the driver for the hardware watchdog on the SBC8360 Single
557	  Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
558
559	  To compile this driver as a module, choose M here: the
560	  module will be called sbc8360.
561
562	  Most people will say N.
563
564config SBC7240_WDT
565	tristate "SBC Nano 7240 Watchdog Timer"
566	depends on X86_32
567	---help---
568	  This is the driver for the hardware watchdog found on the IEI
569	  single board computers EPIC Nano 7240 (and likely others). This
570	  watchdog simply watches your kernel to make sure it doesn't freeze,
571	  and if it does, it reboots your computer after a certain amount of
572	  time.
573
574	  To compile this driver as a module, choose M here: the
575	  module will be called sbc7240_wdt.
576
577config CPU5_WDT
578	tristate "SMA CPU5 Watchdog"
579	depends on X86
580	---help---
581	  TBD.
582	  To compile this driver as a module, choose M here: the
583	  module will be called cpu5wdt.
584
585config SMSC_SCH311X_WDT
586	tristate "SMSC SCH311X Watchdog Timer"
587	depends on X86
588	---help---
589	  This is the driver for the hardware watchdog timer on the
590	  SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
591	  (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
592	  serial ports).
593
594	  To compile this driver as a module, choose M here: the
595	  module will be called sch311x_wdt.
596
597config SMSC37B787_WDT
598	tristate "Winbond SMsC37B787 Watchdog Timer"
599	depends on X86
600	---help---
601	  This is the driver for the hardware watchdog component on the
602	  Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
603	  from Vision Systems and maybe others.
604
605	  This watchdog simply watches your kernel to make sure it doesn't
606	  freeze, and if it does, it reboots your computer after a certain
607	  amount of time.
608
609	  Usually a userspace daemon will notify the kernel WDT driver that
610	  userspace is still alive, at regular intervals.
611
612	  To compile this driver as a module, choose M here: the
613	  module will be called smsc37b787_wdt.
614
615	  Most people will say N.
616
617config W83627HF_WDT
618	tristate "W83627HF Watchdog Timer"
619	depends on X86
620	---help---
621	  This is the driver for the hardware watchdog on the W83627HF chipset
622	  as used in Advantech PC-9578 and Tyan S2721-533 motherboards
623	  (and likely others).  This watchdog simply watches your kernel to
624	  make sure it doesn't freeze, and if it does, it reboots your computer
625	  after a certain amount of time.
626
627	  To compile this driver as a module, choose M here: the
628	  module will be called w83627hf_wdt.
629
630	  Most people will say N.
631
632config W83697HF_WDT
633	tristate "W83697HF/W83697HG Watchdog Timer"
634	depends on X86
635	---help---
636	  This is the driver for the hardware watchdog on the W83697HF/HG
637	  chipset as used in Dedibox/VIA motherboards (and likely others).
638	  This watchdog simply watches your kernel to make sure it doesn't
639	  freeze, and if it does, it reboots your computer after a certain
640	  amount of time.
641
642	  To compile this driver as a module, choose M here: the
643	  module will be called w83697hf_wdt.
644
645	  Most people will say N.
646
647config W83697UG_WDT
648	tristate "W83697UG/W83697UF Watchdog Timer"
649	depends on X86
650	---help---
651	  This is the driver for the hardware watchdog on the W83697UG/UF
652	  chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
653	  This watchdog simply watches your kernel to make sure it doesn't
654	  freeze, and if it does, it reboots your computer after a certain
655	  amount of time.
656
657	  To compile this driver as a module, choose M here: the
658	  module will be called w83697ug_wdt.
659
660	  Most people will say N.
661
662config W83877F_WDT
663	tristate "W83877F (EMACS) Watchdog Timer"
664	depends on X86
665	---help---
666	  This is the driver for the hardware watchdog on the W83877F chipset
667	  as used in EMACS PC-104 motherboards (and likely others).  This
668	  watchdog simply watches your kernel to make sure it doesn't freeze,
669	  and if it does, it reboots your computer after a certain amount of
670	  time.
671
672	  To compile this driver as a module, choose M here: the
673	  module will be called w83877f_wdt.
674
675	  Most people will say N.
676
677config W83977F_WDT
678	tristate "W83977F (PCM-5335) Watchdog Timer"
679	depends on X86
680	---help---
681	  This is the driver for the hardware watchdog on the W83977F I/O chip
682	  as used in AAEON's PCM-5335 SBC (and likely others).  This
683	  watchdog simply watches your kernel to make sure it doesn't freeze,
684	  and if it does, it reboots your computer after a certain amount of
685	  time.
686
687	  To compile this driver as a module, choose M here: the
688	  module will be called w83977f_wdt.
689
690config MACHZ_WDT
691	tristate "ZF MachZ Watchdog"
692	depends on X86
693	---help---
694	  If you are using a ZF Micro MachZ processor, say Y here, otherwise
695	  N.  This is the driver for the watchdog timer built-in on that
696	  processor using ZF-Logic interface.  This watchdog simply watches
697	  your kernel to make sure it doesn't freeze, and if it does, it
698	  reboots your computer after a certain amount of time.
699
700	  To compile this driver as a module, choose M here: the
701	  module will be called machzwd.
702
703config SBC_EPX_C3_WATCHDOG
704	tristate "Winsystems SBC EPX-C3 watchdog"
705	depends on X86
706	---help---
707	  This is the driver for the built-in watchdog timer on the EPX-C3
708	  Single-board computer made by Winsystems, Inc.
709
710	  *Note*: This hardware watchdog is not probeable and thus there
711	  is no way to know if writing to its IO address will corrupt
712	  your system or have any real effect.  The only way to be sure
713	  that this driver does what you want is to make sure you
714	  are running it on an EPX-C3 from Winsystems with the watchdog
715	  timer at IO address 0x1ee and 0x1ef.  It will write to both those
716	  IO ports.  Basically, the assumption is made that if you compile
717	  this driver into your kernel and/or load it as a module, that you
718	  know what you are doing and that you are in fact running on an
719	  EPX-C3 board!
720
721	  To compile this driver as a module, choose M here: the
722	  module will be called sbc_epx_c3.
723
724# M32R Architecture
725
726# M68K Architecture
727
728# M68KNOMMU Architecture
729
730# MIPS Architecture
731
732config RC32434_WDT
733	tristate "IDT RC32434 SoC Watchdog Timer"
734	depends on MIKROTIK_RB532
735	help
736	  Hardware driver for the IDT RC32434 SoC built-in
737	  watchdog timer.
738
739	  To compile this driver as a module, choose M here: the
740	  module will be called rc32434_wdt.
741
742config INDYDOG
743	tristate "Indy/I2 Hardware Watchdog"
744	depends on SGI_HAS_INDYDOG
745	help
746	  Hardware driver for the Indy's/I2's watchdog. This is a
747	  watchdog timer that will reboot the machine after a 60 second
748	  timer expired and no process has written to /dev/watchdog during
749	  that time.
750
751config WDT_MTX1
752	tristate "MTX-1 Hardware Watchdog"
753	depends on MIPS_MTX1
754	help
755	  Hardware driver for the MTX-1 boards. This is a watchdog timer that
756	  will reboot the machine after a 100 seconds timer expired.
757
758config PNX833X_WDT
759	tristate "PNX833x Hardware Watchdog"
760	depends on SOC_PNX8335
761	help
762	  Hardware driver for the PNX833x's watchdog. This is a
763	  watchdog timer that will reboot the machine after a programable
764	  timer has expired and no process has written to /dev/watchdog during
765	  that time.
766
767config WDT_RM9K_GPI
768	tristate "RM9000/GPI hardware watchdog"
769	depends on CPU_RM9000
770	help
771	  Watchdog implementation using the GPI hardware found on
772	  PMC-Sierra RM9xxx CPUs.
773
774	  To compile this driver as a module, choose M here: the
775	  module will be called rm9k_wdt.
776
777config SIBYTE_WDOG
778	tristate "Sibyte SoC hardware watchdog"
779	depends on CPU_SB1
780	help
781	  Watchdog driver for the built in watchdog hardware in Sibyte
782	  SoC processors.  There are apparently two watchdog timers
783	  on such processors; this driver supports only the first one,
784	  because currently Linux only supports exporting one watchdog
785	  to userspace.
786
787	  To compile this driver as a loadable module, choose M here.
788	  The module will be called sb_wdog.
789
790config AR7_WDT
791	tristate "TI AR7 Watchdog Timer"
792	depends on AR7
793	help
794	  Hardware driver for the TI AR7 Watchdog Timer.
795
796config TXX9_WDT
797	tristate "Toshiba TXx9 Watchdog Timer"
798	depends on CPU_TX39XX || CPU_TX49XX
799	help
800	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
801
802# PARISC Architecture
803
804# POWERPC Architecture
805
806config GEF_WDT
807	tristate "GE Fanuc Watchdog Timer"
808	depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
809	---help---
810	  Watchdog timer found in a number of GE Fanuc single board computers.
811
812config MPC5200_WDT
813	tristate "MPC5200 Watchdog Timer"
814	depends on PPC_MPC52xx
815
816config 8xxx_WDT
817	tristate "MPC8xxx Platform Watchdog Timer"
818	depends on PPC_8xx || PPC_83xx || PPC_86xx
819	help
820	  This driver is for a SoC level watchdog that exists on some
821	  Freescale PowerPC processors. So far this driver supports:
822	  - MPC8xx watchdogs
823	  - MPC83xx watchdogs
824	  - MPC86xx watchdogs
825
826	  For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
827
828config MV64X60_WDT
829	tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
830	depends on MV64X60
831
832config PIKA_WDT
833	tristate "PIKA FPGA Watchdog"
834	depends on WARP
835	default y
836	help
837	  This enables the watchdog in the PIKA FPGA. Currently used on
838	  the Warp platform.
839
840config BOOKE_WDT
841	bool "PowerPC Book-E Watchdog Timer"
842	depends on BOOKE || 4xx
843	---help---
844	  Please see Documentation/watchdog/watchdog-api.txt for
845	  more information.
846
847# PPC64 Architecture
848
849config WATCHDOG_RTAS
850	tristate "RTAS watchdog"
851	depends on PPC_RTAS
852	help
853	  This driver adds watchdog support for the RTAS watchdog.
854
855	  To compile this driver as a module, choose M here. The module
856	  will be called wdrtas.
857
858# S390 Architecture
859
860config ZVM_WATCHDOG
861	tristate "z/VM Watchdog Timer"
862	depends on S390
863	help
864	  IBM s/390 and zSeries machines running under z/VM 5.1 or later
865	  provide a virtual watchdog timer to their guest that cause a
866	  user define Control Program command to be executed after a
867	  timeout.
868
869	  To compile this driver as a module, choose M here. The module
870	  will be called vmwatchdog.
871
872# SUPERH (sh + sh64) Architecture
873
874config SH_WDT
875	tristate "SuperH Watchdog"
876	depends on SUPERH && (CPU_SH3 || CPU_SH4)
877	help
878	  This driver adds watchdog support for the integrated watchdog in the
879	  SuperH processors. If you have one of these processors and wish
880	  to have watchdog support enabled, say Y, otherwise say N.
881
882	  As a side note, saying Y here will automatically boost HZ to 1000
883	  so that the timer has a chance to clear the overflow counter. On
884	  slower systems (such as the SH-2 and SH-3) this will likely yield
885	  some performance issues. As such, the WDT should be avoided here
886	  unless it is absolutely necessary.
887
888	  To compile this driver as a module, choose M here: the
889	  module will be called shwdt.
890
891config SH_WDT_MMAP
892	bool "Allow mmap of SH WDT"
893	default n
894	depends on SH_WDT
895	help
896	  If you say Y here, user applications will be able to mmap the
897	  WDT/CPG registers.
898
899# SPARC Architecture
900
901# SPARC64 Architecture
902
903config WATCHDOG_CP1XXX
904	tristate "CP1XXX Hardware Watchdog support"
905	depends on SPARC64 && PCI
906	---help---
907	  This is the driver for the hardware watchdog timers present on
908	  Sun Microsystems CompactPCI models CP1400 and CP1500.
909
910	  To compile this driver as a module, choose M here: the
911	  module will be called cpwatchdog.
912
913	  If you do not have a CompactPCI model CP1400 or CP1500, or
914	  another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
915	  you should say N to this option.
916
917config WATCHDOG_RIO
918	tristate "RIO Hardware Watchdog support"
919	depends on SPARC64 && PCI
920	help
921	  Say Y here to support the hardware watchdog capability on Sun RIO
922	  machines.  The watchdog timeout period is normally one minute but
923	  can be changed with a boot-time parameter.
924
925# XTENSA Architecture
926
927#
928# ISA-based Watchdog Cards
929#
930
931comment "ISA-based Watchdog Cards"
932	depends on ISA
933
934config PCWATCHDOG
935	tristate "Berkshire Products ISA-PC Watchdog"
936	depends on ISA
937	---help---
938	  This is the driver for the Berkshire Products ISA-PC Watchdog card.
939	  This card simply watches your kernel to make sure it doesn't freeze,
940	  and if it does, it reboots your computer after a certain amount of
941	  time. This driver is like the WDT501 driver but for different
942	  hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
943	  watchdog cards can be ordered from <http://www.berkprod.com/>.
944
945	  To compile this driver as a module, choose M here: the
946	  module will be called pcwd.
947
948	  Most people will say N.
949
950config MIXCOMWD
951	tristate "Mixcom Watchdog"
952	depends on ISA
953	---help---
954	  This is a driver for the Mixcom hardware watchdog cards.  This
955	  watchdog simply watches your kernel to make sure it doesn't freeze,
956	  and if it does, it reboots your computer after a certain amount of
957	  time.
958
959	  To compile this driver as a module, choose M here: the
960	  module will be called mixcomwd.
961
962	  Most people will say N.
963
964config WDT
965	tristate "WDT Watchdog timer"
966	depends on ISA
967	---help---
968	  If you have a WDT500P or WDT501P watchdog board, say Y here,
969	  otherwise N. It is not possible to probe for this board, which means
970	  that you have to inform the kernel about the IO port and IRQ that
971	  is needed (you can do this via the io and irq parameters)
972
973	  To compile this driver as a module, choose M here: the
974	  module will be called wdt.
975
976#
977# PCI-based Watchdog Cards
978#
979
980comment "PCI-based Watchdog Cards"
981	depends on PCI
982
983config PCIPCWATCHDOG
984	tristate "Berkshire Products PCI-PC Watchdog"
985	depends on PCI
986	---help---
987	  This is the driver for the Berkshire Products PCI-PC Watchdog card.
988	  This card simply watches your kernel to make sure it doesn't freeze,
989	  and if it does, it reboots your computer after a certain amount of
990	  time. The card can also monitor the internal temperature of the PC.
991	  More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
992
993	  To compile this driver as a module, choose M here: the
994	  module will be called pcwd_pci.
995
996	  Most people will say N.
997
998config WDTPCI
999	tristate "PCI-WDT500/501 Watchdog timer"
1000	depends on PCI
1001	---help---
1002	  If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
1003
1004	  To compile this driver as a module, choose M here: the
1005	  module will be called wdt_pci.
1006
1007config WDT_501_PCI
1008	bool "PCI-WDT501 features"
1009	depends on WDTPCI
1010	help
1011	  Saying Y here and creating a character special file /dev/temperature
1012	  with major number 10 and minor number 131 ("man mknod") will give
1013	  you a thermometer inside your computer: reading from
1014	  /dev/temperature yields one byte, the temperature in degrees
1015	  Fahrenheit. This works only if you have a PCI-WDT501 watchdog board
1016	  installed.
1017
1018	  If you want to enable the Fan Tachometer on the PCI-WDT501, then you
1019	  can do this via the tachometer parameter. Only do this if you have a
1020	  fan tachometer actually set up.
1021
1022#
1023# USB-based Watchdog Cards
1024#
1025
1026comment "USB-based Watchdog Cards"
1027	depends on USB
1028
1029config USBPCWATCHDOG
1030	tristate "Berkshire Products USB-PC Watchdog"
1031	depends on USB
1032	---help---
1033	  This is the driver for the Berkshire Products USB-PC Watchdog card.
1034	  This card simply watches your kernel to make sure it doesn't freeze,
1035	  and if it does, it reboots your computer after a certain amount of
1036	  time. The card can also monitor the internal temperature of the PC.
1037	  More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1038
1039	  To compile this driver as a module, choose M here: the
1040	  module will be called pcwd_usb.
1041
1042	  Most people will say N.
1043
1044endif # WATCHDOG
1045