1 This file provides information on the module parameters of many of
2 the Linux watchdog drivers. Watchdog driver parameter specs should
3 be listed here unless the driver has its own driver-specific information
7 See Documentation/kernel-parameters.txt for information on
8 providing kernel parameters for builtin drivers versus loadable
12 -------------------------------------------------
14 wdt_stop: Acquire WDT 'stop' io port (default 0x43)
15 wdt_start: Acquire WDT 'start' io port (default 0x443)
16 nowayout: Watchdog cannot be stopped once started
17 (default=kernel config parameter)
18 -------------------------------------------------
20 wdt_stop: Advantech WDT 'stop' io port (default 0x443)
21 wdt_start: Advantech WDT 'start' io port (default 0x443)
22 timeout: Watchdog timeout in seconds. 1<= timeout <=63, default=60.
23 nowayout: Watchdog cannot be stopped once started
24 (default=kernel config parameter)
25 -------------------------------------------------
27 timeout: Watchdog timeout in seconds. (0 < timeout < 18000, default=60
28 nowayout: Watchdog cannot be stopped once started
29 (default=kernel config parameter)
30 -------------------------------------------------
32 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30
33 use_gpio: Use the gpio watchdog (required by old cobalt boards).
35 nowayout: Watchdog cannot be stopped once started
36 (default=kernel config parameter)
37 -------------------------------------------------
39 margin: Watchdog margin in seconds (default=60)
40 nowayout: Disable watchdog shutdown on close
41 (default=kernel config parameter)
42 -------------------------------------------------
44 timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2)
45 nowayout: Watchdog cannot be stopped once started
46 (default=kernel config parameter)
47 -------------------------------------------------
49 wdt_time: Watchdog time in seconds. (default=5)
50 nowayout: Watchdog cannot be stopped once started
51 (default=kernel config parameter)
52 -------------------------------------------------
54 heartbeat: Watchdog heartbeats in seconds. (default = 15)
55 nowayout: Watchdog cannot be stopped once started
56 (default=kernel config parameter)
57 -------------------------------------------------
59 wdt_time: Watchdog time in seconds. (default=30)
60 nowayout: Watchdog cannot be stopped once started
61 (default=kernel config parameter)
62 -------------------------------------------------
64 timeout: Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=20)
65 nowayout: Watchdog cannot be stopped once started
66 (default=kernel config parameter)
67 -------------------------------------------------
69 margin: Watchdog margin in seconds (default 60s)
70 -------------------------------------------------
72 port: base address of watchdog card, default is 0x91
73 verbose: be verbose, default is 0 (no)
74 ticks: count down ticks, default is 10000
75 -------------------------------------------------
77 wd0_timeout: Default watchdog0 timeout in 1/10secs
78 wd1_timeout: Default watchdog1 timeout in 1/10secs
79 wd2_timeout: Default watchdog2 timeout in 1/10secs
80 -------------------------------------------------
82 timeout: Watchdog timeout in seconds. 2<= timeout <=131, default=2.048s
83 nowayout: Watchdog cannot be stopped once started
84 (default=kernel config parameter)
85 -------------------------------------------------
87 heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60
88 -------------------------------------------------
90 nowayout: Watchdog cannot be stopped once started
91 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD)
92 -------------------------------------------------
94 nowayout: Watchdog cannot be stopped once started
95 (default=kernel config parameter)
96 io: Eurotech WDT io port (default=0x3f0)
97 irq: Eurotech WDT irq (default=10)
98 ev: Eurotech WDT event type (default is `int')
99 -------------------------------------------------
101 nowayout: Watchdog cannot be stopped once started
102 (default=kernel config parameter)
103 -------------------------------------------------
105 timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60.
106 nowayout: Watchdog cannot be stopped once started
107 (default=kernel config parameter)
108 -------------------------------------------------
110 heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30)
111 nowayout: Watchdog cannot be stopped once started
112 (default=kernel config parameter)
113 -------------------------------------------------
115 heartbeat: Watchdog heartbeat in seconds.
116 (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30)
117 nowayout: Watchdog cannot be stopped once started
118 (default=kernel config parameter)
119 -------------------------------------------------
121 vendorsupport: iTCO vendor specific support mode, default=0 (none),
122 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS
123 -------------------------------------------------
125 timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30.
126 nowayout: Watchdog cannot be stopped once started
127 (default=kernel config parameter)
128 -------------------------------------------------
130 nowayout: Watchdog cannot be stopped once started
131 (default=kernel config parameter)
132 -------------------------------------------------
134 timeout: Watchdog timeout in seconds (default 60 s)
135 nowayout: Watchdog cannot be stopped once started
136 (default=kernel config parameter)
137 -------------------------------------------------
139 nowayout: Watchdog cannot be stopped once started
140 (default=kernel config parameter)
141 -------------------------------------------------
143 nowayout: Watchdog cannot be stopped once started
144 (default=kernel config parameter)
145 -------------------------------------------------
147 margin: Watchdog margin in seconds (default 60)
148 nowayout: Disable watchdog shutdown on close
149 (default=kernel config parameter)
150 -------------------------------------------------
152 nogameport: Forbid the activation of game port, default=0
153 exclusive: Watchdog exclusive device open, default=1
154 timeout: Watchdog timeout in seconds, default=60
155 testmode: Watchdog test mode (1 = no reboot), default=0
156 nowayout: Watchdog cannot be stopped once started
157 (default=kernel config parameter)
158 -------------------------------------------------
160 heartbeat: Watchdog heartbeat in seconds (default 60s)
161 nowayout: Watchdog cannot be stopped once started
162 (default=kernel config parameter)
163 -------------------------------------------------
165 heartbeat: Watchdog heartbeat in seconds (default 60s)
166 nowayout: Watchdog cannot be stopped once started
167 (default=kernel config parameter)
168 -------------------------------------------------
170 wdt_time: Watchdog time in seconds. (default=5)
171 nowayout: Watchdog cannot be stopped once started
172 (default=kernel config parameter)
173 -------------------------------------------------
175 nowayout: Watchdog cannot be stopped once started
176 (default=kernel config parameter)
177 action: after watchdog resets, generate:
178 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI
179 -------------------------------------------------
181 heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60
182 nowayout: Watchdog cannot be stopped once started
183 (default=kernel config parameter)
184 nodelay: Force selection of a timeout setting without initial delay
185 (max6373/74 only, default=0)
186 -------------------------------------------------
188 nowayout: Watchdog cannot be stopped once started
189 (default=kernel config parameter)
190 -------------------------------------------------
192 timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535)
193 reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset
194 nowayout: Watchdog cannot be stopped once started
195 (default=kernel config parameter)
196 -------------------------------------------------
198 mpcore_margin: MPcore timer margin in seconds.
199 (0 < mpcore_margin < 65536, default=60)
200 nowayout: Watchdog cannot be stopped once started
201 (default=kernel config parameter)
202 mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots,
203 0 to reboot (default=0
204 -------------------------------------------------
206 nowayout: Watchdog cannot be stopped once started
207 (default=kernel config parameter)
208 -------------------------------------------------
210 heartbeat: Watchdog heartbeats in seconds.
212 nowayout: Watchdog cannot be stopped once started
213 (default=kernel config parameter)
214 -------------------------------------------------
216 timer_margin: initial watchdog timeout (in seconds)
217 -------------------------------------------------
219 heartbeat: Initial watchdog heartbeat in seconds
220 nowayout: Watchdog cannot be stopped once started
221 (default=kernel config parameter)
222 -------------------------------------------------
224 io: pc87413 WDT I/O port (default: io).
225 timeout: Watchdog timeout in minutes (default=timeout).
226 nowayout: Watchdog cannot be stopped once started
227 (default=kernel config parameter)
228 -------------------------------------------------
230 heartbeat: Watchdog heartbeats in seconds. (default = 15)
231 nowayout: Watchdog cannot be stopped once started
232 (default=kernel config parameter)
233 -------------------------------------------------
235 heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19
236 nowayout: Set to 1 to keep watchdog running after device release
237 -------------------------------------------------
239 timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds)
240 nowayout: Watchdog cannot be stopped once started
241 (default=kernel config parameter)
242 start_enabled: Watchdog is started on module insertion (default=1)
243 -------------------------------------------------
245 timeout: Watchdog timeout value, in seconds (default=20)
246 nowayout: Watchdog cannot be stopped once started
247 (default=kernel config parameter)
248 -------------------------------------------------
250 riowd_timeout: Watchdog timeout in minutes (default=1)
251 -------------------------------------------------
253 tmr_margin: Watchdog tmr_margin in seconds. (default=15)
254 tmr_atboot: Watchdog is started at boot time if set to 1, default=0
255 nowayout: Watchdog cannot be stopped once started
256 (default=kernel config parameter)
257 soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot
258 debug: Watchdog debug, set to >1 for debug, (default 0)
259 -------------------------------------------------
261 margin: Watchdog margin in seconds (default 60s)
262 -------------------------------------------------
264 timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)
265 -------------------------------------------------
267 wdt_stop: SBC60xx WDT 'stop' io port (default 0x45)
268 wdt_start: SBC60xx WDT 'start' io port (default 0x443)
269 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
270 nowayout: Watchdog cannot be stopped once started
271 (default=kernel config parameter)
272 -------------------------------------------------
274 timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30)
275 nowayout: Disable watchdog when closing device file
276 -------------------------------------------------
278 timeout: Index into timeout table (0-63) (default=27 (60s))
279 nowayout: Watchdog cannot be stopped once started
280 (default=kernel config parameter)
281 -------------------------------------------------
283 nowayout: Watchdog cannot be stopped once started
284 (default=kernel config parameter)
285 -------------------------------------------------
287 margin: Watchdog margin in seconds (default 60s)
288 nowayout: Watchdog cannot be stopped once started
289 -------------------------------------------------
291 isapnp: When set to 0 driver ISA PnP support will be disabled (default=1)
293 timeout: range is 0-255 minutes, default is 1
294 nowayout: Watchdog cannot be stopped once started
295 (default=kernel config parameter)
296 -------------------------------------------------
298 timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30)
299 nowayout: Watchdog cannot be stopped once started
300 (default=kernel config parameter)
301 -------------------------------------------------
303 force_id: Override the detected device ID
304 therm_trip: Should a ThermTrip trigger the reset generator
305 timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60
306 nowayout: Watchdog cannot be stopped once started
307 (default=kernel config parameter)
308 -------------------------------------------------
310 margin: Watchdog margin in seconds
311 nowayout: Disable watchdog shutdown on close
312 -------------------------------------------------
314 clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms)
315 to 0x7 (5.25ms). (default=7)
316 heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30
317 nowayout: Watchdog cannot be stopped once started
318 (default=kernel config parameter)
319 -------------------------------------------------
321 timeout: range is 1-255 units, default is 60
322 nowayout: Watchdog cannot be stopped once started
323 (default=kernel config parameter)
324 -------------------------------------------------
326 soft_margin: Watchdog soft_margin in seconds.
327 (0 < soft_margin < 65536, default=60)
328 nowayout: Watchdog cannot be stopped once started
329 (default=kernel config parameter)
330 soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot
332 -------------------------------------------------
334 heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19
335 -------------------------------------------------
337 timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8)
338 nowayout: Disable watchdog shutdown on close
339 -------------------------------------------------
341 nowayout: Watchdog cannot be stopped once started
342 (default=kernel config parameter)
343 -------------------------------------------------
345 timeout: Watchdog timeout in seconds. (0<timeout<N, default=60)
346 nowayout: Watchdog cannot be stopped once started
347 (default=kernel config parameter)
348 -------------------------------------------------
350 wdt_io: w83627hf/thf WDT io port (default 0x2E)
351 timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
352 nowayout: Watchdog cannot be stopped once started
353 (default=kernel config parameter)
354 -------------------------------------------------
356 wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)
357 timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
358 nowayout: Watchdog cannot be stopped once started
359 (default=kernel config parameter)
360 early_disable: Watchdog gets disabled at boot time (default=1)
361 -------------------------------------------------
363 wdt_io: w83697ug/uf WDT io port (default 0x2e)
364 timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
365 nowayout: Watchdog cannot be stopped once started
366 (default=kernel config parameter)
367 -------------------------------------------------
369 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
370 nowayout: Watchdog cannot be stopped once started
371 (default=kernel config parameter)
372 -------------------------------------------------
374 timeout: Watchdog timeout in seconds (15..7635), default=45)
375 testmode: Watchdog testmode (1 = no reboot), default=0
376 nowayout: Watchdog cannot be stopped once started
377 (default=kernel config parameter)
378 -------------------------------------------------
380 timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
381 nowayout: Watchdog cannot be stopped once started
382 (default=kernel config parameter)
383 -------------------------------------------------
385 soft_margin: Watchdog timeout in seconds (default=60)
386 -------------------------------------------------
388 timeout: Watchdog timeout in seconds (60..15300, default=60)
389 testmode: Watchdog testmode (1 = no reboot), default=0
390 nowayout: Watchdog cannot be stopped once started
391 (default=kernel config parameter)
392 -------------------------------------------------
394 nowayout: Watchdog cannot be stopped once started
395 (default=kernel config parameter)
396 -------------------------------------------------
398 nowayout: Watchdog cannot be stopped once started
399 (default=kernel config parameter)
400 -------------------------------------------------