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 heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60
83 -------------------------------------------------
85 nowayout: Watchdog cannot be stopped once started
86 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD)
87 -------------------------------------------------
89 nowayout: Watchdog cannot be stopped once started
90 (default=kernel config parameter)
91 io: Eurotech WDT io port (default=0x3f0)
92 irq: Eurotech WDT irq (default=10)
93 ev: Eurotech WDT event type (default is `int')
94 -------------------------------------------------
96 nowayout: Watchdog cannot be stopped once started
97 (default=kernel config parameter)
98 -------------------------------------------------
100 timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60.
101 nowayout: Watchdog cannot be stopped once started
102 (default=kernel config parameter)
103 -------------------------------------------------
105 heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30)
106 nowayout: Watchdog cannot be stopped once started
107 (default=kernel config parameter)
108 -------------------------------------------------
110 heartbeat: Watchdog heartbeat in seconds.
111 (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30)
112 nowayout: Watchdog cannot be stopped once started
113 (default=kernel config parameter)
114 -------------------------------------------------
116 vendorsupport: iTCO vendor specific support mode, default=0 (none),
117 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS
118 -------------------------------------------------
120 timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30.
121 nowayout: Watchdog cannot be stopped once started
122 (default=kernel config parameter)
123 -------------------------------------------------
125 nowayout: Watchdog cannot be stopped once started
126 (default=kernel config parameter)
127 -------------------------------------------------
129 timeout: Watchdog timeout in seconds (default 60 s)
130 nowayout: Watchdog cannot be stopped once started
131 (default=kernel config parameter)
132 -------------------------------------------------
134 nowayout: Watchdog cannot be stopped once started
135 (default=kernel config parameter)
136 -------------------------------------------------
138 nowayout: Watchdog cannot be stopped once started
139 (default=kernel config parameter)
140 -------------------------------------------------
142 margin: Watchdog margin in seconds (default 60)
143 nowayout: Disable watchdog shutdown on close
144 (default=kernel config parameter)
145 -------------------------------------------------
147 nogameport: Forbid the activation of game port, default=0
148 exclusive: Watchdog exclusive device open, default=1
149 timeout: Watchdog timeout in seconds, default=60
150 testmode: Watchdog test mode (1 = no reboot), default=0
151 nowayout: Watchdog cannot be stopped once started
152 (default=kernel config parameter)
153 -------------------------------------------------
155 heartbeat: Watchdog heartbeat in seconds (default 60s)
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 wdt_time: Watchdog time in seconds. (default=5)
166 nowayout: Watchdog cannot be stopped once started
167 (default=kernel config parameter)
168 -------------------------------------------------
170 nowayout: Watchdog cannot be stopped once started
171 (default=kernel config parameter)
172 action: after watchdog resets, generate:
173 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI
174 -------------------------------------------------
176 heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60
177 nowayout: Watchdog cannot be stopped once started
178 (default=kernel config parameter)
179 nodelay: Force selection of a timeout setting without initial delay
180 (max6373/74 only, default=0)
181 -------------------------------------------------
183 nowayout: Watchdog cannot be stopped once started
184 (default=kernel config parameter)
185 -------------------------------------------------
187 timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535)
188 reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset
189 nowayout: Watchdog cannot be stopped once started
190 (default=kernel config parameter)
191 -------------------------------------------------
193 mpcore_margin: MPcore timer margin in seconds.
194 (0 < mpcore_margin < 65536, default=60)
195 nowayout: Watchdog cannot be stopped once started
196 (default=kernel config parameter)
197 mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots,
198 0 to reboot (default=0
199 -------------------------------------------------
201 nowayout: Watchdog cannot be stopped once started
202 (default=kernel config parameter)
203 -------------------------------------------------
205 heartbeat: Watchdog heartbeats in seconds.
207 nowayout: Watchdog cannot be stopped once started
208 (default=kernel config parameter)
209 -------------------------------------------------
211 timer_margin: initial watchdog timeout (in seconds)
212 -------------------------------------------------
214 heartbeat: Initial watchdog heartbeat in seconds
215 nowayout: Watchdog cannot be stopped once started
216 (default=kernel config parameter)
217 -------------------------------------------------
219 io: pc87413 WDT I/O port (default: io).
220 timeout: Watchdog timeout in minutes (default=timeout).
221 nowayout: Watchdog cannot be stopped once started
222 (default=kernel config parameter)
223 -------------------------------------------------
225 heartbeat: Watchdog heartbeats in seconds. (default = 15)
226 nowayout: Watchdog cannot be stopped once started
227 (default=kernel config parameter)
228 -------------------------------------------------
230 heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19
231 nowayout: Set to 1 to keep watchdog running after device release
232 -------------------------------------------------
234 timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds)
235 nowayout: Watchdog cannot be stopped once started
236 (default=kernel config parameter)
237 start_enabled: Watchdog is started on module insertion (default=1)
238 -------------------------------------------------
240 timeout: Watchdog timeout value, in seconds (default=20)
241 nowayout: Watchdog cannot be stopped once started
242 (default=kernel config parameter)
243 -------------------------------------------------
245 riowd_timeout: Watchdog timeout in minutes (default=1)
246 -------------------------------------------------
248 tmr_margin: Watchdog tmr_margin in seconds. (default=15)
249 tmr_atboot: Watchdog is started at boot time if set to 1, default=0
250 nowayout: Watchdog cannot be stopped once started
251 (default=kernel config parameter)
252 soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot
253 debug: Watchdog debug, set to >1 for debug, (default 0)
254 -------------------------------------------------
256 margin: Watchdog margin in seconds (default 60s)
257 -------------------------------------------------
259 timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)
260 -------------------------------------------------
262 wdt_stop: SBC60xx WDT 'stop' io port (default 0x45)
263 wdt_start: SBC60xx WDT 'start' io port (default 0x443)
264 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
265 nowayout: Watchdog cannot be stopped once started
266 (default=kernel config parameter)
267 -------------------------------------------------
269 timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30)
270 nowayout: Disable watchdog when closing device file
271 -------------------------------------------------
273 timeout: Index into timeout table (0-63) (default=27 (60s))
274 nowayout: Watchdog cannot be stopped once started
275 (default=kernel config parameter)
276 -------------------------------------------------
278 nowayout: Watchdog cannot be stopped once started
279 (default=kernel config parameter)
280 -------------------------------------------------
282 margin: Watchdog margin in seconds (default 60s)
283 nowayout: Watchdog cannot be stopped once started
284 -------------------------------------------------
286 isapnp: When set to 0 driver ISA PnP support will be disabled (default=1)
288 timeout: range is 0-255 minutes, default is 1
289 nowayout: Watchdog cannot be stopped once started
290 (default=kernel config parameter)
291 -------------------------------------------------
293 timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30)
294 nowayout: Watchdog cannot be stopped once started
295 (default=kernel config parameter)
296 -------------------------------------------------
298 force_id: Override the detected device ID
299 therm_trip: Should a ThermTrip trigger the reset generator
300 timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60
301 nowayout: Watchdog cannot be stopped once started
302 (default=kernel config parameter)
303 -------------------------------------------------
305 margin: Watchdog margin in seconds
306 nowayout: Disable watchdog shutdown on close
307 -------------------------------------------------
309 clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms)
310 to 0x7 (5.25ms). (default=7)
311 heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30
312 nowayout: Watchdog cannot be stopped once started
313 (default=kernel config parameter)
314 -------------------------------------------------
316 timeout: range is 1-255 units, default is 60
317 nowayout: Watchdog cannot be stopped once started
318 (default=kernel config parameter)
319 -------------------------------------------------
321 soft_margin: Watchdog soft_margin in seconds.
322 (0 < soft_margin < 65536, default=60)
323 nowayout: Watchdog cannot be stopped once started
324 (default=kernel config parameter)
325 soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot
327 -------------------------------------------------
329 heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19
330 -------------------------------------------------
332 timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8)
333 nowayout: Disable watchdog shutdown on close
334 -------------------------------------------------
336 nowayout: Watchdog cannot be stopped once started
337 (default=kernel config parameter)
338 -------------------------------------------------
340 timeout: Watchdog timeout in seconds. (0<timeout<N, default=60)
341 nowayout: Watchdog cannot be stopped once started
342 (default=kernel config parameter)
343 -------------------------------------------------
345 wdt_io: w83627hf/thf WDT io port (default 0x2E)
346 timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
347 nowayout: Watchdog cannot be stopped once started
348 (default=kernel config parameter)
349 -------------------------------------------------
351 wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)
352 timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
353 nowayout: Watchdog cannot be stopped once started
354 (default=kernel config parameter)
355 early_disable: Watchdog gets disabled at boot time (default=1)
356 -------------------------------------------------
358 wdt_io: w83697ug/uf WDT io port (default 0x2e)
359 timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
360 nowayout: Watchdog cannot be stopped once started
361 (default=kernel config parameter)
362 -------------------------------------------------
364 timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
365 nowayout: Watchdog cannot be stopped once started
366 (default=kernel config parameter)
367 -------------------------------------------------
369 timeout: Watchdog timeout in seconds (15..7635), default=45)
370 testmode: Watchdog testmode (1 = no reboot), default=0
371 nowayout: Watchdog cannot be stopped once started
372 (default=kernel config parameter)
373 -------------------------------------------------
375 timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
376 nowayout: Watchdog cannot be stopped once started
377 (default=kernel config parameter)
378 -------------------------------------------------
380 soft_margin: Watchdog timeout in seconds (default=60)
381 -------------------------------------------------
383 timeout: Watchdog timeout in seconds (60..15300, default=60)
384 testmode: Watchdog testmode (1 = no reboot), default=0
385 nowayout: Watchdog cannot be stopped once started
386 (default=kernel config parameter)
387 -------------------------------------------------
389 nowayout: Watchdog cannot be stopped once started
390 (default=kernel config parameter)
391 -------------------------------------------------
393 nowayout: Watchdog cannot be stopped once started
394 (default=kernel config parameter)
395 -------------------------------------------------