xref: /linux/drivers/watchdog/Kconfig (revision 4e73e0eb633f8a1b5cbf20e7f42c6dbfec1d1ca7)
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 ORION5X_WATCHDOG
235	tristate "Orion5x watchdog"
236	depends on ARCH_ORION5X
237	help
238	  Say Y here if to include support for the watchdog timer
239	  in the Orion5x ARM SoCs.
240	  To compile this driver as a module, choose M here: the
241	  module will be called orion5x_wdt.
242
243# AVR32 Architecture
244
245config AT32AP700X_WDT
246	tristate "AT32AP700x watchdog"
247	depends on CPU_AT32AP700X
248	help
249	  Watchdog timer embedded into AT32AP700x devices. This will reboot
250	  your system when the timeout is reached.
251
252# BLACKFIN Architecture
253
254config BFIN_WDT
255	tristate "Blackfin On-Chip Watchdog Timer"
256	depends on BLACKFIN
257	---help---
258	  If you say yes here you will get support for the Blackfin On-Chip
259	  Watchdog Timer. If you have one of these processors and wish to
260	  have watchdog support enabled, say Y, otherwise say N.
261
262	  To compile this driver as a module, choose M here: the
263	  module will be called bfin_wdt.
264
265# CRIS Architecture
266
267# FRV Architecture
268
269# H8300 Architecture
270
271# X86 (i386 + ia64 + x86_64) Architecture
272
273config ACQUIRE_WDT
274	tristate "Acquire SBC Watchdog Timer"
275	depends on X86
276	---help---
277	  This is the driver for the hardware watchdog on Single Board
278	  Computers produced by Acquire Inc (and others). This watchdog
279	  simply watches your kernel to make sure it doesn't freeze, and if
280	  it does, it reboots your computer after a certain amount of time.
281
282	  To compile this driver as a module, choose M here: the
283	  module will be called acquirewdt.
284
285	  Most people will say N.
286
287config ADVANTECH_WDT
288	tristate "Advantech SBC Watchdog Timer"
289	depends on X86
290	help
291	  If you are configuring a Linux kernel for the Advantech single-board
292	  computer, say `Y' here to support its built-in watchdog timer
293	  feature. More information can be found at
294	  <http://www.advantech.com.tw/products/>
295
296config ALIM1535_WDT
297	tristate "ALi M1535 PMU Watchdog Timer"
298	depends on X86 && PCI
299	---help---
300	  This is the driver for the hardware watchdog on the ALi M1535 PMU.
301
302	  To compile this driver as a module, choose M here: the
303	  module will be called alim1535_wdt.
304
305	  Most people will say N.
306
307config ALIM7101_WDT
308	tristate "ALi M7101 PMU Computer Watchdog"
309	depends on PCI
310	help
311	  This is the driver for the hardware watchdog on the ALi M7101 PMU
312	  as used in the x86 Cobalt servers and also found in some
313	  SPARC Netra servers too.
314
315	  To compile this driver as a module, choose M here: the
316	  module will be called alim7101_wdt.
317
318	  Most people will say N.
319
320config GEODE_WDT
321	tristate "AMD Geode CS5535/CS5536 Watchdog"
322	depends on MGEODE_LX
323	help
324	  This driver enables a watchdog capability built into the
325	  CS5535/CS5536 companion chips for the AMD Geode GX and LX
326	  processors.  This watchdog watches your kernel to make sure
327	  it doesn't freeze, and if it does, it reboots your computer after
328	  a certain amount of time.
329
330	  You can compile this driver directly into the kernel, or use
331	  it as a module.  The module will be called geodewdt.
332
333config SC520_WDT
334	tristate "AMD Elan SC520 processor Watchdog"
335	depends on X86
336	help
337	  This is the driver for the hardware watchdog built in to the
338	  AMD "Elan" SC520 microcomputer commonly used in embedded systems.
339	  This watchdog simply watches your kernel to make sure it doesn't
340	  freeze, and if it does, it reboots your computer after a certain
341	  amount of time.
342
343	  You can compile this driver directly into the kernel, or use
344	  it as a module.  The module will be called sc520_wdt.
345
346config EUROTECH_WDT
347	tristate "Eurotech CPU-1220/1410 Watchdog Timer"
348	depends on X86
349	help
350	  Enable support for the watchdog timer on the Eurotech CPU-1220 and
351	  CPU-1410 cards.  These are PC/104 SBCs. Spec sheets and product
352	  information are at <http://www.eurotech.it/>.
353
354config IB700_WDT
355	tristate "IB700 SBC Watchdog Timer"
356	depends on X86
357	---help---
358	  This is the driver for the hardware watchdog on the IB700 Single
359	  Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
360	  simply watches your kernel to make sure it doesn't freeze, and if
361	  it does, it reboots your computer after a certain amount of time.
362
363	  This driver is like the WDT501 driver but for slightly different hardware.
364
365	  To compile this driver as a module, choose M here: the
366	  module will be called ib700wdt.
367
368	  Most people will say N.
369
370config IBMASR
371	tristate "IBM Automatic Server Restart"
372	depends on X86
373	help
374	  This is the driver for the IBM Automatic Server Restart watchdog
375	  timer built-in into some eServer xSeries machines.
376
377	  To compile this driver as a module, choose M here: the
378	  module will be called ibmasr.
379
380config WAFER_WDT
381	tristate "ICP Single Board Computer Watchdog Timer"
382	depends on X86
383	help
384	  This is a driver for the hardware watchdog on the ICP Single
385	  Board Computer. This driver is working on (at least) the following
386	  IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
387
388	  To compile this driver as a module, choose M here: the
389	  module will be called wafer5823wdt.
390
391config I6300ESB_WDT
392	tristate "Intel 6300ESB Timer/Watchdog"
393	depends on X86 && PCI
394	---help---
395	  Hardware driver for the watchdog timer built into the Intel
396	  6300ESB controller hub.
397
398	  To compile this driver as a module, choose M here: the
399	  module will be called i6300esb.
400
401config ITCO_WDT
402	tristate "Intel TCO Timer/Watchdog"
403	depends on (X86 || IA64) && PCI
404	---help---
405	  Hardware driver for the intel TCO timer based watchdog devices.
406	  These drivers are included in the Intel 82801 I/O Controller
407	  Hub family (from ICH0 up to ICH10) and in the Intel 63xxESB
408	  controller hub.
409
410	  The TCO (Total Cost of Ownership) timer is a watchdog timer
411	  that will reboot the machine after its second expiration. The
412	  expiration time can be configured with the "heartbeat" parameter.
413
414	  On some motherboards the driver may fail to reset the chipset's
415	  NO_REBOOT flag which prevents the watchdog from rebooting the
416	  machine. If this is the case you will get a kernel message like
417	  "failed to reset NO_REBOOT flag, reboot disabled by hardware".
418
419	  To compile this driver as a module, choose M here: the
420	  module will be called iTCO_wdt.
421
422config ITCO_VENDOR_SUPPORT
423	bool "Intel TCO Timer/Watchdog Specific Vendor Support"
424	depends on ITCO_WDT
425	---help---
426	  Add vendor specific support to the intel TCO timer based watchdog
427	  devices. At this moment we only have additional support for some
428	  SuperMicro Inc. motherboards.
429
430config IT8712F_WDT
431	tristate "IT8712F (Smart Guardian) Watchdog Timer"
432	depends on X86
433	---help---
434	  This is the driver for the built-in watchdog timer on the IT8712F
435	  Super I/0 chipset used on many motherboards.
436
437	  To compile this driver as a module, choose M here: the
438	  module will be called it8712f_wdt.
439
440config IT87_WDT
441	tristate "IT87 Watchdog Timer"
442	depends on X86 && EXPERIMENTAL
443	---help---
444	  This is the driver for the hardware watchdog on the ITE IT8716,
445	  IT8718, IT8726, IT8712(Version J,K) Super I/O chips. This watchdog
446	  simply watches your kernel to make sure it doesn't freeze, and if
447	  it does, it reboots your computer after a certain amount of time.
448
449	  To compile this driver as a module, choose M here: the module will
450	  be called it87_wdt.
451
452config HP_WATCHDOG
453	tristate "HP Proliant iLO 2 Hardware Watchdog Timer"
454	depends on X86
455	help
456	  A software monitoring watchdog and NMI sourcing driver. This driver
457	  will detect lockups and provide stack trace. Also, when an NMI
458	  occurs this driver will make the necessary BIOS calls to log
459	  the cause of the NMI. This is a driver that will only load on a
460	  HP ProLiant system with a minimum of iLO2 support.
461	  To compile this driver as a module, choose M here: the
462	  module will be called hpwdt.
463
464config SC1200_WDT
465	tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
466	depends on X86
467	help
468	  This is a driver for National Semiconductor PC87307/PC97307 hardware
469	  watchdog cards as found on the SC1200. This watchdog is mainly used
470	  for power management purposes and can be used to power down the device
471	  during inactivity periods (includes interrupt activity monitoring).
472
473	  To compile this driver as a module, choose M here: the
474	  module will be called sc1200wdt.
475
476	  Most people will say N.
477
478config SCx200_WDT
479	tristate "National Semiconductor SCx200 Watchdog"
480	depends on SCx200 && PCI
481	help
482	  Enable the built-in watchdog timer support on the National
483	  Semiconductor SCx200 processors.
484
485	  If compiled as a module, it will be called scx200_wdt.
486
487config PC87413_WDT
488	tristate "NS PC87413 watchdog"
489	depends on X86
490	---help---
491	  This is the driver for the hardware watchdog on the PC87413 chipset
492	  This watchdog simply watches your kernel to make sure it doesn't
493	  freeze, and if it does, it reboots your computer after a certain
494	  amount of time.
495
496	  To compile this driver as a module, choose M here: the
497	  module will be called pc87413_wdt.
498
499	  Most people will say N.
500
501config RDC321X_WDT
502	tristate "RDC R-321x SoC watchdog"
503	depends on X86_RDC321X
504	help
505	  This is the driver for the built in hardware watchdog
506	  in the RDC R-321x SoC.
507
508	  To compile this driver as a module, choose M here: the
509	  module will be called rdc321x_wdt.
510
511config 60XX_WDT
512	tristate "SBC-60XX Watchdog Timer"
513	depends on X86
514	help
515	  This driver can be used with the watchdog timer found on some
516	  single board computers, namely the 6010 PII based computer.
517	  It may well work with other cards.  It reads port 0x443 to enable
518	  and re-set the watchdog timer, and reads port 0x45 to disable
519	  the watchdog.  If you have a card that behave in similar ways,
520	  you can probably make this driver work with your card as well.
521
522	  You can compile this driver directly into the kernel, or use
523	  it as a module.  The module will be called sbc60xxwdt.
524
525config SBC8360_WDT
526	tristate "SBC8360 Watchdog Timer"
527	depends on X86
528	---help---
529
530	  This is the driver for the hardware watchdog on the SBC8360 Single
531	  Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
532
533	  To compile this driver as a module, choose M here: the
534	  module will be called sbc8360.ko.
535
536	  Most people will say N.
537
538config SBC7240_WDT
539	tristate "SBC Nano 7240 Watchdog Timer"
540	depends on X86_32
541	---help---
542	  This is the driver for the hardware watchdog found on the IEI
543	  single board computers EPIC Nano 7240 (and likely others). This
544	  watchdog simply watches your kernel to make sure it doesn't freeze,
545	  and if it does, it reboots your computer after a certain amount of
546	  time.
547
548	  To compile this driver as a module, choose M here: the
549	  module will be called sbc7240_wdt.
550
551config CPU5_WDT
552	tristate "SMA CPU5 Watchdog"
553	depends on X86
554	---help---
555	  TBD.
556	  To compile this driver as a module, choose M here: the
557	  module will be called cpu5wdt.
558
559config SMSC_SCH311X_WDT
560	tristate "SMSC SCH311X Watchdog Timer"
561	depends on X86
562	---help---
563	  This is the driver for the hardware watchdog timer on the
564	  SMSC SCH3112, SCH3114 and SCH3116 Super IO chipset
565	  (LPC IO with 8042 KBC, Reset Generation, HWM and multiple
566	  serial ports).
567
568	  To compile this driver as a module, choose M here: the
569	  module will be called sch311x_wdt.
570
571config SMSC37B787_WDT
572	tristate "Winbond SMsC37B787 Watchdog Timer"
573	depends on X86
574	---help---
575	  This is the driver for the hardware watchdog component on the
576	  Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
577	  from Vision Systems and maybe others.
578
579	  This watchdog simply watches your kernel to make sure it doesn't
580	  freeze, and if it does, it reboots your computer after a certain
581	  amount of time.
582
583	  Usually a userspace daemon will notify the kernel WDT driver that
584	  userspace is still alive, at regular intervals.
585
586	  To compile this driver as a module, choose M here: the
587	  module will be called smsc37b787_wdt.
588
589	  Most people will say N.
590
591config W83627HF_WDT
592	tristate "W83627HF Watchdog Timer"
593	depends on X86
594	---help---
595	  This is the driver for the hardware watchdog on the W83627HF chipset
596	  as used in Advantech PC-9578 and Tyan S2721-533 motherboards
597	  (and likely others).  This watchdog simply watches your kernel to
598	  make sure it doesn't freeze, and if it does, it reboots your computer
599	  after a certain amount of time.
600
601	  To compile this driver as a module, choose M here: the
602	  module will be called w83627hf_wdt.
603
604	  Most people will say N.
605
606config W83697HF_WDT
607	tristate "W83697HF/W83697HG Watchdog Timer"
608	depends on X86
609	---help---
610	  This is the driver for the hardware watchdog on the W83697HF/HG
611	  chipset as used in Dedibox/VIA motherboards (and likely others).
612	  This watchdog simply watches your kernel to make sure it doesn't
613	  freeze, and if it does, it reboots your computer after a certain
614	  amount of time.
615
616	  To compile this driver as a module, choose M here: the
617	  module will be called w83697hf_wdt.
618
619	  Most people will say N.
620
621config W83697UG_WDT
622	tristate "W83697UG/W83697UF Watchdog Timer"
623	depends on X86
624	---help---
625	  This is the driver for the hardware watchdog on the W83697UG/UF
626	  chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others).
627	  This watchdog simply watches your kernel to make sure it doesn't
628	  freeze, and if it does, it reboots your computer after a certain
629	  amount of time.
630
631	  To compile this driver as a module, choose M here: the
632	  module will be called w83697ug_wdt.
633
634	  Most people will say N.
635
636config W83877F_WDT
637	tristate "W83877F (EMACS) Watchdog Timer"
638	depends on X86
639	---help---
640	  This is the driver for the hardware watchdog on the W83877F chipset
641	  as used in EMACS PC-104 motherboards (and likely others).  This
642	  watchdog simply watches your kernel to make sure it doesn't freeze,
643	  and if it does, it reboots your computer after a certain amount of
644	  time.
645
646	  To compile this driver as a module, choose M here: the
647	  module will be called w83877f_wdt.
648
649	  Most people will say N.
650
651config W83977F_WDT
652	tristate "W83977F (PCM-5335) Watchdog Timer"
653	depends on X86
654	---help---
655	  This is the driver for the hardware watchdog on the W83977F I/O chip
656	  as used in AAEON's PCM-5335 SBC (and likely others).  This
657	  watchdog simply watches your kernel to make sure it doesn't freeze,
658	  and if it does, it reboots your computer after a certain amount of
659	  time.
660
661	  To compile this driver as a module, choose M here: the
662	  module will be called w83977f_wdt.
663
664config MACHZ_WDT
665	tristate "ZF MachZ Watchdog"
666	depends on X86
667	---help---
668	  If you are using a ZF Micro MachZ processor, say Y here, otherwise
669	  N.  This is the driver for the watchdog timer built-in on that
670	  processor using ZF-Logic interface.  This watchdog simply watches
671	  your kernel to make sure it doesn't freeze, and if it does, it
672	  reboots your computer after a certain amount of time.
673
674	  To compile this driver as a module, choose M here: the
675	  module will be called machzwd.
676
677config SBC_EPX_C3_WATCHDOG
678	tristate "Winsystems SBC EPX-C3 watchdog"
679	depends on X86
680	---help---
681	  This is the driver for the built-in watchdog timer on the EPX-C3
682	  Single-board computer made by Winsystems, Inc.
683
684	  *Note*: This hardware watchdog is not probeable and thus there
685	  is no way to know if writing to its IO address will corrupt
686	  your system or have any real effect.  The only way to be sure
687	  that this driver does what you want is to make sure you
688	  are running it on an EPX-C3 from Winsystems with the watchdog
689	  timer at IO address 0x1ee and 0x1ef.  It will write to both those
690	  IO ports.  Basically, the assumption is made that if you compile
691	  this driver into your kernel and/or load it as a module, that you
692	  know what you are doing and that you are in fact running on an
693	  EPX-C3 board!
694
695	  To compile this driver as a module, choose M here: the
696	  module will be called sbc_epx_c3.
697
698# M32R Architecture
699
700# M68K Architecture
701
702# M68KNOMMU Architecture
703
704# MIPS Architecture
705
706config RC32434_WDT
707	tristate "IDT RC32434 SoC Watchdog Timer"
708	depends on MIKROTIK_RB532
709	help
710	  Hardware driver for the IDT RC32434 SoC built-in
711	  watchdog timer.
712
713	  To compile this driver as a module, choose M here: the
714	  module will be called rc32434_wdt.
715
716config INDYDOG
717	tristate "Indy/I2 Hardware Watchdog"
718	depends on SGI_HAS_INDYDOG
719	help
720	  Hardware driver for the Indy's/I2's watchdog. This is a
721	  watchdog timer that will reboot the machine after a 60 second
722	  timer expired and no process has written to /dev/watchdog during
723	  that time.
724
725config WDT_MTX1
726	tristate "MTX-1 Hardware Watchdog"
727	depends on MIPS_MTX1
728	help
729	  Hardware driver for the MTX-1 boards. This is a watchdog timer that
730	  will reboot the machine after a 100 seconds timer expired.
731
732config WDT_RM9K_GPI
733	tristate "RM9000/GPI hardware watchdog"
734	depends on CPU_RM9000
735	help
736	  Watchdog implementation using the GPI hardware found on
737	  PMC-Sierra RM9xxx CPUs.
738
739	  To compile this driver as a module, choose M here: the
740	  module will be called rm9k_wdt.
741
742config SIBYTE_WDOG
743	tristate "Sibyte SoC hardware watchdog"
744	depends on CPU_SB1
745	help
746	  Watchdog driver for the built in watchdog hardware in Sibyte
747	  SoC processors.  There are apparently two watchdog timers
748	  on such processors; this driver supports only the first one,
749	  because currently Linux only supports exporting one watchdog
750	  to userspace.
751
752	  To compile this driver as a loadable module, choose M here.
753	  The module will be called sb_wdog.
754
755config AR7_WDT
756	tristate "TI AR7 Watchdog Timer"
757	depends on AR7
758	help
759	  Hardware driver for the TI AR7 Watchdog Timer.
760
761config TXX9_WDT
762	tristate "Toshiba TXx9 Watchdog Timer"
763	depends on CPU_TX39XX || CPU_TX49XX
764	help
765	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
766
767# PARISC Architecture
768
769# POWERPC Architecture
770
771config GEF_WDT
772	tristate "GE Fanuc Watchdog Timer"
773	depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
774	---help---
775	  Watchdog timer found in a number of GE Fanuc single board computers.
776
777config MPC5200_WDT
778	tristate "MPC5200 Watchdog Timer"
779	depends on PPC_MPC52xx
780
781config 8xxx_WDT
782	tristate "MPC8xxx Platform Watchdog Timer"
783	depends on PPC_8xx || PPC_83xx || PPC_86xx
784	help
785	  This driver is for a SoC level watchdog that exists on some
786	  Freescale PowerPC processors. So far this driver supports:
787	  - MPC8xx watchdogs
788	  - MPC83xx watchdogs
789	  - MPC86xx watchdogs
790
791	  For BookE processors (MPC85xx) use the BOOKE_WDT driver instead.
792
793config MV64X60_WDT
794	tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
795	depends on MV64X60
796
797config PIKA_WDT
798	tristate "PIKA FPGA Watchdog"
799	depends on WARP
800	default y
801	help
802	  This enables the watchdog in the PIKA FPGA. Currently used on
803	  the Warp platform.
804
805config BOOKE_WDT
806	bool "PowerPC Book-E Watchdog Timer"
807	depends on BOOKE || 4xx
808	---help---
809	  Please see Documentation/watchdog/watchdog-api.txt for
810	  more information.
811
812# PPC64 Architecture
813
814config WATCHDOG_RTAS
815	tristate "RTAS watchdog"
816	depends on PPC_RTAS
817	help
818	  This driver adds watchdog support for the RTAS watchdog.
819
820	  To compile this driver as a module, choose M here. The module
821	  will be called wdrtas.
822
823# S390 Architecture
824
825config ZVM_WATCHDOG
826	tristate "z/VM Watchdog Timer"
827	depends on S390
828	help
829	  IBM s/390 and zSeries machines running under z/VM 5.1 or later
830	  provide a virtual watchdog timer to their guest that cause a
831	  user define Control Program command to be executed after a
832	  timeout.
833
834	  To compile this driver as a module, choose M here. The module
835	  will be called vmwatchdog.
836
837# SUPERH (sh + sh64) Architecture
838
839config SH_WDT
840	tristate "SuperH Watchdog"
841	depends on SUPERH && (CPU_SH3 || CPU_SH4)
842	help
843	  This driver adds watchdog support for the integrated watchdog in the
844	  SuperH processors. If you have one of these processors and wish
845	  to have watchdog support enabled, say Y, otherwise say N.
846
847	  As a side note, saying Y here will automatically boost HZ to 1000
848	  so that the timer has a chance to clear the overflow counter. On
849	  slower systems (such as the SH-2 and SH-3) this will likely yield
850	  some performance issues. As such, the WDT should be avoided here
851	  unless it is absolutely necessary.
852
853	  To compile this driver as a module, choose M here: the
854	  module will be called shwdt.
855
856config SH_WDT_MMAP
857	bool "Allow mmap of SH WDT"
858	default n
859	depends on SH_WDT
860	help
861	  If you say Y here, user applications will be able to mmap the
862	  WDT/CPG registers.
863
864# SPARC Architecture
865
866# SPARC64 Architecture
867
868config WATCHDOG_CP1XXX
869	tristate "CP1XXX Hardware Watchdog support"
870	depends on SPARC64 && PCI
871	---help---
872	  This is the driver for the hardware watchdog timers present on
873	  Sun Microsystems CompactPCI models CP1400 and CP1500.
874
875	  To compile this driver as a module, choose M here: the
876	  module will be called cpwatchdog.
877
878	  If you do not have a CompactPCI model CP1400 or CP1500, or
879	  another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
880	  you should say N to this option.
881
882config WATCHDOG_RIO
883	tristate "RIO Hardware Watchdog support"
884	depends on SPARC64 && PCI
885	help
886	  Say Y here to support the hardware watchdog capability on Sun RIO
887	  machines.  The watchdog timeout period is normally one minute but
888	  can be changed with a boot-time parameter.
889
890# XTENSA Architecture
891
892#
893# ISA-based Watchdog Cards
894#
895
896comment "ISA-based Watchdog Cards"
897	depends on ISA
898
899config PCWATCHDOG
900	tristate "Berkshire Products ISA-PC Watchdog"
901	depends on ISA
902	---help---
903	  This is the driver for the Berkshire Products ISA-PC Watchdog card.
904	  This card simply watches your kernel to make sure it doesn't freeze,
905	  and if it does, it reboots your computer after a certain amount of
906	  time. This driver is like the WDT501 driver but for different
907	  hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
908	  watchdog cards can be ordered from <http://www.berkprod.com/>.
909
910	  To compile this driver as a module, choose M here: the
911	  module will be called pcwd.
912
913	  Most people will say N.
914
915config MIXCOMWD
916	tristate "Mixcom Watchdog"
917	depends on ISA
918	---help---
919	  This is a driver for the Mixcom hardware watchdog cards.  This
920	  watchdog simply watches your kernel to make sure it doesn't freeze,
921	  and if it does, it reboots your computer after a certain amount of
922	  time.
923
924	  To compile this driver as a module, choose M here: the
925	  module will be called mixcomwd.
926
927	  Most people will say N.
928
929config WDT
930	tristate "WDT Watchdog timer"
931	depends on ISA
932	---help---
933	  If you have a WDT500P or WDT501P watchdog board, say Y here,
934	  otherwise N. It is not possible to probe for this board, which means
935	  that you have to inform the kernel about the IO port and IRQ that
936	  is needed (you can do this via the io and irq parameters)
937
938	  To compile this driver as a module, choose M here: the
939	  module will be called wdt.
940
941#
942# PCI-based Watchdog Cards
943#
944
945comment "PCI-based Watchdog Cards"
946	depends on PCI
947
948config PCIPCWATCHDOG
949	tristate "Berkshire Products PCI-PC Watchdog"
950	depends on PCI
951	---help---
952	  This is the driver for the Berkshire Products PCI-PC Watchdog card.
953	  This card simply watches your kernel to make sure it doesn't freeze,
954	  and if it does, it reboots your computer after a certain amount of
955	  time. The card can also monitor the internal temperature of the PC.
956	  More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
957
958	  To compile this driver as a module, choose M here: the
959	  module will be called pcwd_pci.
960
961	  Most people will say N.
962
963config WDTPCI
964	tristate "PCI-WDT500/501 Watchdog timer"
965	depends on PCI
966	---help---
967	  If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
968
969	  To compile this driver as a module, choose M here: the
970	  module will be called wdt_pci.
971
972config WDT_501_PCI
973	bool "PCI-WDT501 features"
974	depends on WDTPCI
975	help
976	  Saying Y here and creating a character special file /dev/temperature
977	  with major number 10 and minor number 131 ("man mknod") will give
978	  you a thermometer inside your computer: reading from
979	  /dev/temperature yields one byte, the temperature in degrees
980	  Fahrenheit. This works only if you have a PCI-WDT501 watchdog board
981	  installed.
982
983	  If you want to enable the Fan Tachometer on the PCI-WDT501, then you
984	  can do this via the tachometer parameter. Only do this if you have a
985	  fan tachometer actually set up.
986
987#
988# USB-based Watchdog Cards
989#
990
991comment "USB-based Watchdog Cards"
992	depends on USB
993
994config USBPCWATCHDOG
995	tristate "Berkshire Products USB-PC Watchdog"
996	depends on USB
997	---help---
998	  This is the driver for the Berkshire Products USB-PC Watchdog card.
999	  This card simply watches your kernel to make sure it doesn't freeze,
1000	  and if it does, it reboots your computer after a certain amount of
1001	  time. The card can also monitor the internal temperature of the PC.
1002	  More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
1003
1004	  To compile this driver as a module, choose M here: the
1005	  module will be called pcwd_usb.
1006
1007	  Most people will say N.
1008
1009endif # WATCHDOG
1010