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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 |
4 | file. |
5 | |
6 | |
7 | See Documentation/kernel-parameters.txt for information on |
8 | providing kernel parameters for builtin drivers versus loadable |
9 | modules. |
10 | |
11 | |
12 | ------------------------------------------------- |
13 | acquirewdt: |
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 | ------------------------------------------------- |
19 | advantechwdt: |
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 | ------------------------------------------------- |
26 | alim1535_wdt: |
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 | ------------------------------------------------- |
31 | alim7101_wdt: |
32 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30 |
33 | use_gpio: Use the gpio watchdog (required by old cobalt boards). |
34 | default=0/off/no |
35 | nowayout: Watchdog cannot be stopped once started |
36 | (default=kernel config parameter) |
37 | ------------------------------------------------- |
38 | ar7_wdt: |
39 | margin: Watchdog margin in seconds (default=60) |
40 | nowayout: Disable watchdog shutdown on close |
41 | (default=kernel config parameter) |
42 | ------------------------------------------------- |
43 | at32ap700x_wdt: |
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 | ------------------------------------------------- |
48 | at91rm9200_wdt: |
49 | wdt_time: Watchdog time in seconds. (default=5) |
50 | nowayout: Watchdog cannot be stopped once started |
51 | (default=kernel config parameter) |
52 | ------------------------------------------------- |
53 | at91sam9_wdt: |
54 | heartbeat: Watchdog heartbeats in seconds. (default = 15) |
55 | nowayout: Watchdog cannot be stopped once started |
56 | (default=kernel config parameter) |
57 | ------------------------------------------------- |
58 | bcm47xx_wdt: |
59 | wdt_time: Watchdog time in seconds. (default=30) |
60 | nowayout: Watchdog cannot be stopped once started |
61 | (default=kernel config parameter) |
62 | ------------------------------------------------- |
63 | bfin_wdt: |
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 | ------------------------------------------------- |
68 | coh901327_wdt: |
69 | margin: Watchdog margin in seconds (default 60s) |
70 | ------------------------------------------------- |
71 | cpu5wdt: |
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 | ------------------------------------------------- |
76 | cpwd: |
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 | ------------------------------------------------- |
81 | davinci_wdt: |
82 | heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60 |
83 | ------------------------------------------------- |
84 | ep93xx_wdt: |
85 | nowayout: Watchdog cannot be stopped once started |
86 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) |
87 | ------------------------------------------------- |
88 | eurotechwdt: |
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 | ------------------------------------------------- |
95 | gef_wdt: |
96 | nowayout: Watchdog cannot be stopped once started |
97 | (default=kernel config parameter) |
98 | ------------------------------------------------- |
99 | geodewdt: |
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 | ------------------------------------------------- |
104 | i6300esb: |
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 | ------------------------------------------------- |
109 | iTCO_wdt: |
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 | ------------------------------------------------- |
115 | iTCO_vendor_support: |
116 | vendorsupport: iTCO vendor specific support mode, default=0 (none), |
117 | 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS |
118 | ------------------------------------------------- |
119 | ib700wdt: |
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 | ------------------------------------------------- |
124 | ibmasr: |
125 | nowayout: Watchdog cannot be stopped once started |
126 | (default=kernel config parameter) |
127 | ------------------------------------------------- |
128 | imx2_wdt: |
129 | timeout: Watchdog timeout in seconds (default 60 s) |
130 | nowayout: Watchdog cannot be stopped once started |
131 | (default=kernel config parameter) |
132 | ------------------------------------------------- |
133 | indydog: |
134 | nowayout: Watchdog cannot be stopped once started |
135 | (default=kernel config parameter) |
136 | ------------------------------------------------- |
137 | iop_wdt: |
138 | nowayout: Watchdog cannot be stopped once started |
139 | (default=kernel config parameter) |
140 | ------------------------------------------------- |
141 | it8712f_wdt: |
142 | margin: Watchdog margin in seconds (default 60) |
143 | nowayout: Disable watchdog shutdown on close |
144 | (default=kernel config parameter) |
145 | ------------------------------------------------- |
146 | it87_wdt: |
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 | ------------------------------------------------- |
154 | ixp2000_wdt: |
155 | heartbeat: Watchdog heartbeat in seconds (default 60s) |
156 | nowayout: Watchdog cannot be stopped once started |
157 | (default=kernel config parameter) |
158 | ------------------------------------------------- |
159 | ixp4xx_wdt: |
160 | heartbeat: Watchdog heartbeat in seconds (default 60s) |
161 | nowayout: Watchdog cannot be stopped once started |
162 | (default=kernel config parameter) |
163 | ------------------------------------------------- |
164 | ks8695_wdt: |
165 | wdt_time: Watchdog time in seconds. (default=5) |
166 | nowayout: Watchdog cannot be stopped once started |
167 | (default=kernel config parameter) |
168 | ------------------------------------------------- |
169 | machzwd: |
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 | ------------------------------------------------- |
175 | max63xx_wdt: |
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 | ------------------------------------------------- |
182 | mixcomwd: |
183 | nowayout: Watchdog cannot be stopped once started |
184 | (default=kernel config parameter) |
185 | ------------------------------------------------- |
186 | mpc8xxx_wdt: |
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 | ------------------------------------------------- |
192 | mpcore_wdt: |
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 | ------------------------------------------------- |
200 | mv64x60_wdt: |
201 | nowayout: Watchdog cannot be stopped once started |
202 | (default=kernel config parameter) |
203 | ------------------------------------------------- |
204 | nuc900_wdt: |
205 | heartbeat: Watchdog heartbeats in seconds. |
206 | (default = 15) |
207 | nowayout: Watchdog cannot be stopped once started |
208 | (default=kernel config parameter) |
209 | ------------------------------------------------- |
210 | omap_wdt: |
211 | timer_margin: initial watchdog timeout (in seconds) |
212 | ------------------------------------------------- |
213 | orion_wdt: |
214 | heartbeat: Initial watchdog heartbeat in seconds |
215 | nowayout: Watchdog cannot be stopped once started |
216 | (default=kernel config parameter) |
217 | ------------------------------------------------- |
218 | pc87413_wdt: |
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 | ------------------------------------------------- |
224 | pika_wdt: |
225 | heartbeat: Watchdog heartbeats in seconds. (default = 15) |
226 | nowayout: Watchdog cannot be stopped once started |
227 | (default=kernel config parameter) |
228 | ------------------------------------------------- |
229 | pnx4008_wdt: |
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 | ------------------------------------------------- |
233 | pnx833x_wdt: |
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 | ------------------------------------------------- |
239 | rc32434_wdt: |
240 | timeout: Watchdog timeout value, in seconds (default=20) |
241 | nowayout: Watchdog cannot be stopped once started |
242 | (default=kernel config parameter) |
243 | ------------------------------------------------- |
244 | riowd: |
245 | riowd_timeout: Watchdog timeout in minutes (default=1) |
246 | ------------------------------------------------- |
247 | s3c2410_wdt: |
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 | ------------------------------------------------- |
255 | sa1100_wdt: |
256 | margin: Watchdog margin in seconds (default 60s) |
257 | ------------------------------------------------- |
258 | sb_wdog: |
259 | timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) |
260 | ------------------------------------------------- |
261 | sbc60xxwdt: |
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 | ------------------------------------------------- |
268 | sbc7240_wdt: |
269 | timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30) |
270 | nowayout: Disable watchdog when closing device file |
271 | ------------------------------------------------- |
272 | sbc8360: |
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 | ------------------------------------------------- |
277 | sbc_epx_c3: |
278 | nowayout: Watchdog cannot be stopped once started |
279 | (default=kernel config parameter) |
280 | ------------------------------------------------- |
281 | sbc_fitpc2_wdt: |
282 | margin: Watchdog margin in seconds (default 60s) |
283 | nowayout: Watchdog cannot be stopped once started |
284 | ------------------------------------------------- |
285 | sc1200wdt: |
286 | isapnp: When set to 0 driver ISA PnP support will be disabled (default=1) |
287 | io: io port |
288 | timeout: range is 0-255 minutes, default is 1 |
289 | nowayout: Watchdog cannot be stopped once started |
290 | (default=kernel config parameter) |
291 | ------------------------------------------------- |
292 | sc520_wdt: |
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 | ------------------------------------------------- |
297 | sch311x_wdt: |
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 | ------------------------------------------------- |
304 | scx200_wdt: |
305 | margin: Watchdog margin in seconds |
306 | nowayout: Disable watchdog shutdown on close |
307 | ------------------------------------------------- |
308 | shwdt: |
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 | ------------------------------------------------- |
315 | smsc37b787_wdt: |
316 | timeout: range is 1-255 units, default is 60 |
317 | nowayout: Watchdog cannot be stopped once started |
318 | (default=kernel config parameter) |
319 | ------------------------------------------------- |
320 | softdog: |
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 |
326 | (default=0) |
327 | ------------------------------------------------- |
328 | stmp3xxx_wdt: |
329 | heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19 |
330 | ------------------------------------------------- |
331 | ts72xx_wdt: |
332 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) |
333 | nowayout: Disable watchdog shutdown on close |
334 | ------------------------------------------------- |
335 | twl4030_wdt: |
336 | nowayout: Watchdog cannot be stopped once started |
337 | (default=kernel config parameter) |
338 | ------------------------------------------------- |
339 | txx9wdt: |
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 | ------------------------------------------------- |
344 | w83627hf_wdt: |
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 | ------------------------------------------------- |
350 | w83697hf_wdt: |
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 | ------------------------------------------------- |
357 | w83697ug_wdt: |
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 | ------------------------------------------------- |
363 | w83877f_wdt: |
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 | ------------------------------------------------- |
368 | w83977f_wdt: |
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 | ------------------------------------------------- |
374 | wafer5823wdt: |
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 | ------------------------------------------------- |
379 | wdt285: |
380 | soft_margin: Watchdog timeout in seconds (default=60) |
381 | ------------------------------------------------- |
382 | wdt977: |
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 | ------------------------------------------------- |
388 | wm831x_wdt: |
389 | nowayout: Watchdog cannot be stopped once started |
390 | (default=kernel config parameter) |
391 | ------------------------------------------------- |
392 | wm8350_wdt: |
393 | nowayout: Watchdog cannot be stopped once started |
394 | (default=kernel config parameter) |
395 | ------------------------------------------------- |
396 |
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