[WATCHDOG] Linux kernel IPC SBC Watchdog Timer driver
[deliverable/linux.git] / drivers / watchdog / Kconfig
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1#
2# Watchdog device configuration
3#
4
261259b2 5menuconfig WATCHDOG
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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
e0845bf4 14 on-line as fast as possible after a lock-up. There's both a watchdog
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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 <file:Documentation/watchdog/watchdog.txt>
19 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
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29if WATCHDOG
30
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31config WATCHDOG_NOWAYOUT
32 bool "Disable watchdog shutdown on close"
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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"
1da177e4 45
2621e2a1 46# Architecture Independent
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47
48config SOFT_WATCHDOG
49 tristate "Software watchdog"
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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
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58# ALPHA Architecture
59
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60# ARM Architecture
61
bdcff345 62config AT91RM9200_WATCHDOG
853807fb 63 tristate "AT91RM9200 watchdog"
261259b2 64 depends on ARCH_AT91RM9200
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65 help
66 Watchdog timer embedded into AT91RM9200 chips. This will reboot your
67 system when the timeout is reached.
68
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69config 21285_WATCHDOG
70 tristate "DC21285 watchdog"
261259b2 71 depends on FOOTBRIDGE
1da177e4 72 help
e0845bf4 73 The Intel Footbridge chip contains a built-in watchdog circuit. Say Y
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74 here if you wish to use this. Alternatively say M to compile the
75 driver as a module, which will be called wdt285.
76
77 This driver does not work on all machines. In particular, early CATS
78 boards have hardware problems that will cause the machine to simply
79 lock up if the watchdog fires.
80
81 "If in doubt, leave it out" - say N.
82
83config 977_WATCHDOG
84 tristate "NetWinder WB83C977 watchdog"
261259b2 85 depends on FOOTBRIDGE && ARCH_NETWINDER
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86 help
87 Say Y here to include support for the WB977 watchdog included in
88 NetWinder machines. Alternatively say M to compile the driver as
89 a module, which will be called wdt977.
90
91 Not sure? It's safe to say N.
92
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93config IXP2000_WATCHDOG
94 tristate "IXP2000 Watchdog"
261259b2 95 depends on ARCH_IXP2000
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96 help
97 Say Y here if to include support for the watchdog timer
98 in the Intel IXP2000(2400, 2800, 2850) network processors.
99 This driver can be built as a module by choosing M. The module
100 will be called ixp2000_wdt.
101
102 Say N if you are unsure.
103
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104config IXP4XX_WATCHDOG
105 tristate "IXP4xx Watchdog"
261259b2 106 depends on ARCH_IXP4XX
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107 help
108 Say Y here if to include support for the watchdog timer
109 in the Intel IXP4xx network processors. This driver can
110 be built as a module by choosing M. The module will
111 be called ixp4xx_wdt.
112
113 Note: The internal IXP4xx watchdog does a soft CPU reset
114 which doesn't reset any peripherals. There are circumstances
115 where the watchdog will fail to reset the board correctly
116 (e.g., if the boot ROM is in an unreadable state).
117
118 Say N if you are unsure.
119
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120config KS8695_WATCHDOG
121 tristate "KS8695 watchdog"
122 depends on ARCH_KS8695
123 help
124 Watchdog timer embedded into KS8695 processor. This will reboot your
125 system when the timeout is reached.
126
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127config S3C2410_WATCHDOG
128 tristate "S3C2410 Watchdog"
261259b2 129 depends on ARCH_S3C2410
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130 help
131 Watchdog timer block in the Samsung S3C2410 chips. This will
132 reboot the system when the timer expires with the watchdog
133 enabled.
134
135 The driver is limited by the speed of the system's PCLK
2621e2a1 136 signal, so with reasonably fast systems (PCLK around 50-66MHz)
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137 then watchdog intervals of over approximately 20seconds are
138 unavailable.
139
140 The driver can be built as a module by choosing M, and will
141 be called s3c2410_wdt
142
143config SA1100_WATCHDOG
144 tristate "SA1100/PXA2xx watchdog"
261259b2 145 depends on ARCH_SA1100 || ARCH_PXA
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146 help
147 Watchdog timer embedded into SA11x0 and PXA2xx chips. This will
148 reboot your system when timeout is reached.
149
150 NOTE: once enabled, this timer cannot be disabled.
151
152 To compile this driver as a module, choose M here: the
153 module will be called sa1100_wdt.
154
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155config MPCORE_WATCHDOG
156 tristate "MPcore watchdog"
261259b2 157 depends on ARM_MPCORE_PLATFORM && LOCAL_TIMERS
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158 help
159 Watchdog timer embedded into the MPcore system.
160
161 To compile this driver as a module, choose M here: the
162 module will be called mpcore_wdt.
163
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164config EP93XX_WATCHDOG
165 tristate "EP93xx Watchdog"
261259b2 166 depends on ARCH_EP93XX
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167 help
168 Say Y here if to include support for the watchdog timer
169 embedded in the Cirrus Logic EP93xx family of devices.
170
171 To compile this driver as a module, choose M here: the
172 module will be called ep93xx_wdt.
173
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174config OMAP_WATCHDOG
175 tristate "OMAP Watchdog"
261259b2 176 depends on ARCH_OMAP16XX || ARCH_OMAP24XX
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177 help
178 Support for TI OMAP1610/OMAP1710/OMAP2420 watchdog. Say 'Y' here to
179 enable the OMAP1610/OMAP1710 watchdog timer.
180
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181config PNX4008_WATCHDOG
182 tristate "PNX4008 Watchdog"
261259b2 183 depends on ARCH_PNX4008
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184 help
185 Say Y here if to include support for the watchdog timer
186 in the PNX4008 processor.
187 This driver can be built as a module by choosing M. The module
188 will be called pnx4008_wdt.
189
190 Say N if you are unsure.
191
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192config IOP_WATCHDOG
193 tristate "IOP Watchdog"
c0e962f9 194 depends on PLAT_IOP
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195 select WATCHDOG_NOWAYOUT if (ARCH_IOP32X || ARCH_IOP33X)
196 help
197 Say Y here if to include support for the watchdog timer
198 in the Intel IOP3XX & IOP13XX I/O Processors. This driver can
199 be built as a module by choosing M. The module will
200 be called iop_wdt.
201
202 Note: The IOP13XX watchdog does an Internal Bus Reset which will
203 affect both cores and the peripherals of the IOP. The ATU-X
204 and/or ATUe configuration registers will remain intact, but if
205 operating as an Root Complex and/or Central Resource, the PCI-X
206 and/or PCIe busses will also be reset. THIS IS A VERY BIG HAMMER.
207
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208config DAVINCI_WATCHDOG
209 tristate "DaVinci watchdog"
c0e962f9 210 depends on ARCH_DAVINCI
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211 help
212 Say Y here if to include support for the watchdog timer
213 in the DaVinci DM644x/DM646x processors.
214 To compile this driver as a module, choose M here: the
215 module will be called davinci_wdt.
216
217 NOTE: once enabled, this timer cannot be disabled.
218 Say N if you are unsure.
219
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220# ARM26 Architecture
221
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222# AVR32 Architecture
223
224config AT32AP700X_WDT
225 tristate "AT32AP700x watchdog"
c0e962f9 226 depends on CPU_AT32AP7000
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227 help
228 Watchdog timer embedded into AT32AP700x devices. This will reboot
229 your system when the timeout is reached.
230
c0e962f9 231# BLACKFIN Architecture
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232
233config BFIN_WDT
234 tristate "Blackfin On-Chip Watchdog Timer"
c0e962f9 235 depends on BLACKFIN
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236 ---help---
237 If you say yes here you will get support for the Blackfin On-Chip
238 Watchdog Timer. If you have one of these processors and wish to
239 have watchdog support enabled, say Y, otherwise say N.
240
241 To compile this driver as a module, choose M here: the
242 module will be called bfin_wdt.
243
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244# CRIS Architecture
245
246# FRV Architecture
247
248# H8300 Architecture
249
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250# X86 (i386 + ia64 + x86_64) Architecture
251
252config ACQUIRE_WDT
253 tristate "Acquire SBC Watchdog Timer"
261259b2 254 depends on X86
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255 ---help---
256 This is the driver for the hardware watchdog on Single Board
257 Computers produced by Acquire Inc (and others). This watchdog
258 simply watches your kernel to make sure it doesn't freeze, and if
259 it does, it reboots your computer after a certain amount of time.
260
261 To compile this driver as a module, choose M here: the
262 module will be called acquirewdt.
263
264 Most people will say N.
265
266config ADVANTECH_WDT
267 tristate "Advantech SBC Watchdog Timer"
261259b2 268 depends on X86
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269 help
270 If you are configuring a Linux kernel for the Advantech single-board
271 computer, say `Y' here to support its built-in watchdog timer
272 feature. More information can be found at
273 <http://www.advantech.com.tw/products/>
274
275config ALIM1535_WDT
276 tristate "ALi M1535 PMU Watchdog Timer"
261259b2 277 depends on X86 && PCI
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278 ---help---
279 This is the driver for the hardware watchdog on the ALi M1535 PMU.
280
281 To compile this driver as a module, choose M here: the
282 module will be called alim1535_wdt.
283
284 Most people will say N.
285
286config ALIM7101_WDT
287 tristate "ALi M7101 PMU Computer Watchdog"
261259b2 288 depends on X86 && PCI
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289 help
290 This is the driver for the hardware watchdog on the ALi M7101 PMU
291 as used in the x86 Cobalt servers.
292
293 To compile this driver as a module, choose M here: the
294 module will be called alim7101_wdt.
295
296 Most people will say N.
297
298config SC520_WDT
299 tristate "AMD Elan SC520 processor Watchdog"
261259b2 300 depends on X86
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301 help
302 This is the driver for the hardware watchdog built in to the
303 AMD "Elan" SC520 microcomputer commonly used in embedded systems.
304 This watchdog simply watches your kernel to make sure it doesn't
305 freeze, and if it does, it reboots your computer after a certain
306 amount of time.
307
308 You can compile this driver directly into the kernel, or use
309 it as a module. The module will be called sc520_wdt.
310
311config EUROTECH_WDT
312 tristate "Eurotech CPU-1220/1410 Watchdog Timer"
261259b2 313 depends on X86
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314 help
315 Enable support for the watchdog timer on the Eurotech CPU-1220 and
316 CPU-1410 cards. These are PC/104 SBCs. Spec sheets and product
317 information are at <http://www.eurotech.it/>.
318
319config IB700_WDT
320 tristate "IB700 SBC Watchdog Timer"
261259b2 321 depends on X86
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322 ---help---
323 This is the driver for the hardware watchdog on the IB700 Single
324 Board Computer produced by TMC Technology (www.tmc-uk.com). This watchdog
325 simply watches your kernel to make sure it doesn't freeze, and if
326 it does, it reboots your computer after a certain amount of time.
327
328 This driver is like the WDT501 driver but for slightly different hardware.
329
330 To compile this driver as a module, choose M here: the
331 module will be called ib700wdt.
332
333 Most people will say N.
334
d532134d 335config IBMASR
c310e2b9 336 tristate "IBM Automatic Server Restart"
261259b2 337 depends on X86
c310e2b9 338 help
d532134d 339 This is the driver for the IBM Automatic Server Restart watchdog
e0845bf4 340 timer built-in into some eServer xSeries machines.
d532134d
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341
342 To compile this driver as a module, choose M here: the
343 module will be called ibmasr.
344
1da177e4 345config WAFER_WDT
01ed08c1 346 tristate "ICP Single Board Computer Watchdog Timer"
261259b2 347 depends on X86
1da177e4 348 help
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349 This is a driver for the hardware watchdog on the ICP Single
350 Board Computer. This driver is working on (at least) the following
351 IPC SBC's: Wafer 5823, Rocky 4783, Rocky 3703 and Rocky 3782.
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352
353 To compile this driver as a module, choose M here: the
354 module will be called wafer5823wdt.
355
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356config I6300ESB_WDT
357 tristate "Intel 6300ESB Timer/Watchdog"
261259b2 358 depends on X86 && PCI
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359 ---help---
360 Hardware driver for the watchdog timer built into the Intel
361 6300ESB controller hub.
362
363 To compile this driver as a module, choose M here: the
364 module will be called i6300esb.
365
9e0ea345 366config ITCO_WDT
cbf40d3f 367 tristate "Intel TCO Timer/Watchdog"
261259b2 368 depends on (X86 || IA64) && PCI
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369 ---help---
370 Hardware driver for the intel TCO timer based watchdog devices.
371 These drivers are included in the Intel 82801 I/O Controller
cbf40d3f 372 Hub family (from ICH0 up to ICH8) and in the Intel 6300ESB
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373 controller hub.
374
375 The TCO (Total Cost of Ownership) timer is a watchdog timer
376 that will reboot the machine after its second expiration. The
377 expiration time can be configured with the "heartbeat" parameter.
378
379 On some motherboards the driver may fail to reset the chipset's
380 NO_REBOOT flag which prevents the watchdog from rebooting the
381 machine. If this is the case you will get a kernel message like
382 "failed to reset NO_REBOOT flag, reboot disabled by hardware".
383
384 To compile this driver as a module, choose M here: the
385 module will be called iTCO_wdt.
386
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387config ITCO_VENDOR_SUPPORT
388 bool "Intel TCO Timer/Watchdog Specific Vendor Support"
389 depends on ITCO_WDT
390 ---help---
391 Add vendor specific support to the intel TCO timer based watchdog
392 devices. At this moment we only have additional support for some
393 SuperMicro Inc. motherboards.
394
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395config SC1200_WDT
396 tristate "National Semiconductor PC87307/PC97307 (ala SC1200) Watchdog"
261259b2 397 depends on X86
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398 help
399 This is a driver for National Semiconductor PC87307/PC97307 hardware
400 watchdog cards as found on the SC1200. This watchdog is mainly used
401 for power management purposes and can be used to power down the device
402 during inactivity periods (includes interrupt activity monitoring).
403
404 To compile this driver as a module, choose M here: the
405 module will be called sc1200wdt.
406
407 Most people will say N.
408
409config SCx200_WDT
410 tristate "National Semiconductor SCx200 Watchdog"
261259b2 411 depends on SCx200 && PCI
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412 help
413 Enable the built-in watchdog timer support on the National
414 Semiconductor SCx200 processors.
415
416 If compiled as a module, it will be called scx200_wdt.
417
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418config PC87413_WDT
419 tristate "NS PC87413 watchdog"
261259b2 420 depends on X86
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421 ---help---
422 This is the driver for the hardware watchdog on the PC87413 chipset
423 This watchdog simply watches your kernel to make sure it doesn't
424 freeze, and if it does, it reboots your computer after a certain
425 amount of time.
426
427 To compile this driver as a module, choose M here: the
428 module will be called pc87413_wdt.
429
430 Most people will say N.
431
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432config 60XX_WDT
433 tristate "SBC-60XX Watchdog Timer"
261259b2 434 depends on X86
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435 help
436 This driver can be used with the watchdog timer found on some
437 single board computers, namely the 6010 PII based computer.
438 It may well work with other cards. It reads port 0x443 to enable
439 and re-set the watchdog timer, and reads port 0x45 to disable
440 the watchdog. If you have a card that behave in similar ways,
441 you can probably make this driver work with your card as well.
442
443 You can compile this driver directly into the kernel, or use
444 it as a module. The module will be called sbc60xxwdt.
445
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446config SBC8360_WDT
447 tristate "SBC8360 Watchdog Timer"
261259b2 448 depends on X86
3809ad38
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449 ---help---
450
451 This is the driver for the hardware watchdog on the SBC8360 Single
452 Board Computer produced by Axiomtek Co., Ltd. (www.axiomtek.com).
453
454 To compile this driver as a module, choose M here: the
455 module will be called sbc8360.ko.
456
457 Most people will say N.
458
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459config CPU5_WDT
460 tristate "SMA CPU5 Watchdog"
261259b2 461 depends on X86
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462 ---help---
463 TBD.
464 To compile this driver as a module, choose M here: the
465 module will be called cpu5wdt.
466
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467config SMSC37B787_WDT
468 tristate "Winbond SMsC37B787 Watchdog Timer"
261259b2 469 depends on X86
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470 ---help---
471 This is the driver for the hardware watchdog component on the
472 Winbond SMsC37B787 chipset as used on the NetRunner Mainboard
473 from Vision Systems and maybe others.
474
475 This watchdog simply watches your kernel to make sure it doesn't
476 freeze, and if it does, it reboots your computer after a certain
477 amount of time.
478
479 Usually a userspace daemon will notify the kernel WDT driver that
480 userspace is still alive, at regular intervals.
481
482 To compile this driver as a module, choose M here: the
483 module will be called smsc37b787_wdt.
484
485 Most people will say N.
486
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487config W83627HF_WDT
488 tristate "W83627HF Watchdog Timer"
261259b2 489 depends on X86
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490 ---help---
491 This is the driver for the hardware watchdog on the W83627HF chipset
492 as used in Advantech PC-9578 and Tyan S2721-533 motherboards
493 (and likely others). This watchdog simply watches your kernel to
494 make sure it doesn't freeze, and if it does, it reboots your computer
495 after a certain amount of time.
496
497 To compile this driver as a module, choose M here: the
498 module will be called w83627hf_wdt.
499
500 Most people will say N.
501
f9a8c891 502config W83697HF_WDT
ff02cfc7 503 tristate "W83697HF/W83697HG Watchdog Timer"
261259b2 504 depends on X86
e0845bf4 505 ---help---
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506 This is the driver for the hardware watchdog on the W83697HF/HG
507 chipset as used in Dedibox/VIA motherboards (and likely others).
508 This watchdog simply watches your kernel to make sure it doesn't
509 freeze, and if it does, it reboots your computer after a certain
510 amount of time.
f9a8c891 511
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512 To compile this driver as a module, choose M here: the
513 module will be called w83697hf_wdt.
f9a8c891 514
e0845bf4 515 Most people will say N.
f9a8c891 516
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517config W83877F_WDT
518 tristate "W83877F (EMACS) Watchdog Timer"
261259b2 519 depends on X86
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520 ---help---
521 This is the driver for the hardware watchdog on the W83877F chipset
522 as used in EMACS PC-104 motherboards (and likely others). This
523 watchdog simply watches your kernel to make sure it doesn't freeze,
524 and if it does, it reboots your computer after a certain amount of
525 time.
526
527 To compile this driver as a module, choose M here: the
528 module will be called w83877f_wdt.
529
530 Most people will say N.
531
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532config W83977F_WDT
533 tristate "W83977F (PCM-5335) Watchdog Timer"
261259b2 534 depends on X86
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535 ---help---
536 This is the driver for the hardware watchdog on the W83977F I/O chip
537 as used in AAEON's PCM-5335 SBC (and likely others). This
538 watchdog simply watches your kernel to make sure it doesn't freeze,
539 and if it does, it reboots your computer after a certain amount of
540 time.
541
542 To compile this driver as a module, choose M here: the
543 module will be called w83977f_wdt.
544
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545config MACHZ_WDT
546 tristate "ZF MachZ Watchdog"
261259b2 547 depends on X86
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548 ---help---
549 If you are using a ZF Micro MachZ processor, say Y here, otherwise
e0845bf4 550 N. This is the driver for the watchdog timer built-in on that
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551 processor using ZF-Logic interface. This watchdog simply watches
552 your kernel to make sure it doesn't freeze, and if it does, it
553 reboots your computer after a certain amount of time.
554
555 To compile this driver as a module, choose M here: the
556 module will be called machzwd.
557
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558config SBC_EPX_C3_WATCHDOG
559 tristate "Winsystems SBC EPX-C3 watchdog"
261259b2 560 depends on X86
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561 ---help---
562 This is the driver for the built-in watchdog timer on the EPX-C3
563 Single-board computer made by Winsystems, Inc.
564
565 *Note*: This hardware watchdog is not probeable and thus there
566 is no way to know if writing to its IO address will corrupt
567 your system or have any real effect. The only way to be sure
568 that this driver does what you want is to make sure you
2621e2a1 569 are running it on an EPX-C3 from Winsystems with the watchdog
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570 timer at IO address 0x1ee and 0x1ef. It will write to both those
571 IO ports. Basically, the assumption is made that if you compile
572 this driver into your kernel and/or load it as a module, that you
573 know what you are doing and that you are in fact running on an
574 EPX-C3 board!
575
576 To compile this driver as a module, choose M here: the
577 module will be called sbc_epx_c3.
578
c0e962f9 579# M32R Architecture
1da177e4 580
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581# M68K Architecture
582
583# M68KNOMMU Architecture
584
585# MIPS Architecture
586
587config INDYDOG
588 tristate "Indy/I2 Hardware Watchdog"
589 depends on SGI_IP22
590 help
591 Hardware driver for the Indy's/I2's watchdog. This is a
592 watchdog timer that will reboot the machine after a 60 second
593 timer expired and no process has written to /dev/watchdog during
594 that time.
595
596config WDT_MTX1
597 tristate "MTX-1 Hardware Watchdog"
598 depends on MIPS_MTX1
599 help
600 Hardware driver for the MTX-1 boards. This is a watchdog timer that
601 will reboot the machine after a 100 seconds timer expired.
602
603config WDT_RM9K_GPI
604 tristate "RM9000/GPI hardware watchdog"
605 depends on CPU_RM9000
606 help
607 Watchdog implementation using the GPI hardware found on
608 PMC-Sierra RM9xxx CPUs.
609
610 To compile this driver as a module, choose M here: the
611 module will be called rm9k_wdt.
612
613# PARISC Architecture
614
615# POWERPC Architecture
1da177e4 616
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617config MPC5200_WDT
618 tristate "MPC5200 Watchdog Timer"
619 depends on PPC_MPC52xx
620
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621config 8xx_WDT
622 tristate "MPC8xx Watchdog Timer"
623 depends on 8xx
624
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625config 83xx_WDT
626 tristate "MPC83xx Watchdog Timer"
261259b2 627 depends on PPC_83xx
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629config MV64X60_WDT
630 tristate "MV64X60 (Marvell Discovery) Watchdog Timer"
261259b2 631 depends on MV64X60
3be10211 632
a2f40ccd 633config BOOKE_WDT
34f6d749 634 bool "PowerPC Book-E Watchdog Timer"
261259b2 635 depends on BOOKE || 4xx
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636 ---help---
637 Please see Documentation/watchdog/watchdog-api.txt for
638 more information.
a2f40ccd 639
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640# PPC64 Architecture
641
642config WATCHDOG_RTAS
643 tristate "RTAS watchdog"
261259b2 644 depends on PPC_RTAS
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645 help
646 This driver adds watchdog support for the RTAS watchdog.
647
c310e2b9 648 To compile this driver as a module, choose M here. The module
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649 will be called wdrtas.
650
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651# S390 Architecture
652
653config ZVM_WATCHDOG
654 tristate "z/VM Watchdog Timer"
261259b2 655 depends on S390
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656 help
657 IBM s/390 and zSeries machines running under z/VM 5.1 or later
658 provide a virtual watchdog timer to their guest that cause a
659 user define Control Program command to be executed after a
660 timeout.
661
662 To compile this driver as a module, choose M here. The module
663 will be called vmwatchdog.
664
c0e962f9 665# SUPERH (sh + sh64) Architecture
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666
667config SH_WDT
668 tristate "SuperH Watchdog"
d0afa579 669 depends on SUPERH && (CPU_SH3 || CPU_SH4)
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670 help
671 This driver adds watchdog support for the integrated watchdog in the
672 SuperH processors. If you have one of these processors and wish
673 to have watchdog support enabled, say Y, otherwise say N.
674
675 As a side note, saying Y here will automatically boost HZ to 1000
676 so that the timer has a chance to clear the overflow counter. On
677 slower systems (such as the SH-2 and SH-3) this will likely yield
678 some performance issues. As such, the WDT should be avoided here
679 unless it is absolutely necessary.
680
681 To compile this driver as a module, choose M here: the
682 module will be called shwdt.
683
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684config SH_WDT_MMAP
685 bool "Allow mmap of SH WDT"
686 default n
687 depends on SH_WDT
688 help
689 If you say Y here, user applications will be able to mmap the
690 WDT/CPG registers.
cbf40d3f 691
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692# SPARC Architecture
693
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694# SPARC64 Architecture
695
696config WATCHDOG_CP1XXX
697 tristate "CP1XXX Hardware Watchdog support"
261259b2 698 depends on SPARC64 && PCI
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699 ---help---
700 This is the driver for the hardware watchdog timers present on
701 Sun Microsystems CompactPCI models CP1400 and CP1500.
702
703 To compile this driver as a module, choose M here: the
704 module will be called cpwatchdog.
705
706 If you do not have a CompactPCI model CP1400 or CP1500, or
707 another UltraSPARC-IIi-cEngine boardset with hardware watchdog,
708 you should say N to this option.
709
710config WATCHDOG_RIO
711 tristate "RIO Hardware Watchdog support"
261259b2 712 depends on SPARC64 && PCI
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713 help
714 Say Y here to support the hardware watchdog capability on Sun RIO
715 machines. The watchdog timeout period is normally one minute but
716 can be changed with a boot-time parameter.
717
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718# V850 Architecture
719
720# XTENSA Architecture
721
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722#
723# ISA-based Watchdog Cards
724#
725
726comment "ISA-based Watchdog Cards"
261259b2 727 depends on ISA
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728
729config PCWATCHDOG
730 tristate "Berkshire Products ISA-PC Watchdog"
261259b2 731 depends on ISA
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732 ---help---
733 This is the driver for the Berkshire Products ISA-PC Watchdog card.
734 This card simply watches your kernel to make sure it doesn't freeze,
735 and if it does, it reboots your computer after a certain amount of
736 time. This driver is like the WDT501 driver but for different
737 hardware. Please read <file:Documentation/watchdog/pcwd-watchdog.txt>. The PC
738 watchdog cards can be ordered from <http://www.berkprod.com/>.
739
740 To compile this driver as a module, choose M here: the
741 module will be called pcwd.
742
743 Most people will say N.
744
745config MIXCOMWD
746 tristate "Mixcom Watchdog"
261259b2 747 depends on ISA
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748 ---help---
749 This is a driver for the Mixcom hardware watchdog cards. This
750 watchdog simply watches your kernel to make sure it doesn't freeze,
751 and if it does, it reboots your computer after a certain amount of
752 time.
753
754 To compile this driver as a module, choose M here: the
755 module will be called mixcomwd.
756
757 Most people will say N.
758
759config WDT
760 tristate "WDT Watchdog timer"
261259b2 761 depends on ISA
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762 ---help---
763 If you have a WDT500P or WDT501P watchdog board, say Y here,
764 otherwise N. It is not possible to probe for this board, which means
765 that you have to inform the kernel about the IO port and IRQ that
766 is needed (you can do this via the io and irq parameters)
767
768 To compile this driver as a module, choose M here: the
769 module will be called wdt.
770
771config WDT_501
772 bool "WDT501 features"
773 depends on WDT
774 help
775 Saying Y here and creating a character special file /dev/temperature
776 with major number 10 and minor number 131 ("man mknod") will give
777 you a thermometer inside your computer: reading from
778 /dev/temperature yields one byte, the temperature in degrees
779 Fahrenheit. This works only if you have a WDT501P watchdog board
780 installed.
781
782 If you want to enable the Fan Tachometer on the WDT501P, then you
783 can do this via the tachometer parameter. Only do this if you have a
784 fan tachometer actually set up.
785
786#
787# PCI-based Watchdog Cards
788#
789
790comment "PCI-based Watchdog Cards"
261259b2 791 depends on PCI
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792
793config PCIPCWATCHDOG
794 tristate "Berkshire Products PCI-PC Watchdog"
261259b2 795 depends on PCI
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796 ---help---
797 This is the driver for the Berkshire Products PCI-PC Watchdog card.
798 This card simply watches your kernel to make sure it doesn't freeze,
799 and if it does, it reboots your computer after a certain amount of
800 time. The card can also monitor the internal temperature of the PC.
801 More info is available at <http://www.berkprod.com/pci_pc_watchdog.htm>.
802
803 To compile this driver as a module, choose M here: the
804 module will be called pcwd_pci.
805
806 Most people will say N.
807
808config WDTPCI
809 tristate "PCI-WDT500/501 Watchdog timer"
261259b2 810 depends on PCI
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811 ---help---
812 If you have a PCI-WDT500/501 watchdog board, say Y here, otherwise N.
813
814 To compile this driver as a module, choose M here: the
815 module will be called wdt_pci.
816
817config WDT_501_PCI
818 bool "PCI-WDT501 features"
819 depends on WDTPCI
820 help
821 Saying Y here and creating a character special file /dev/temperature
822 with major number 10 and minor number 131 ("man mknod") will give
823 you a thermometer inside your computer: reading from
824 /dev/temperature yields one byte, the temperature in degrees
825 Fahrenheit. This works only if you have a PCI-WDT501 watchdog board
826 installed.
827
828 If you want to enable the Fan Tachometer on the PCI-WDT501, then you
829 can do this via the tachometer parameter. Only do this if you have a
830 fan tachometer actually set up.
831
832#
833# USB-based Watchdog Cards
834#
835
836comment "USB-based Watchdog Cards"
261259b2 837 depends on USB
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838
839config USBPCWATCHDOG
840 tristate "Berkshire Products USB-PC Watchdog"
261259b2 841 depends on USB
1da177e4
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842 ---help---
843 This is the driver for the Berkshire Products USB-PC Watchdog card.
844 This card simply watches your kernel to make sure it doesn't freeze,
845 and if it does, it reboots your computer after a certain amount of
846 time. The card can also monitor the internal temperature of the PC.
847 More info is available at <http://www.berkprod.com/usb_pc_watchdog.htm>.
848
849 To compile this driver as a module, choose M here: the
850 module will be called pcwd_usb.
851
852 Most people will say N.
853
261259b2 854endif # WATCHDOG
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