Randy Dunlap | 4724ba5 | 2010-05-03 11:42:52 -0700 | [diff] [blame] | 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 | ------------------------------------------------- |
Ashish Jangam | 664a0d7 | 2012-05-24 18:31:14 +0530 | [diff] [blame] | 81 | da9052wdt: |
| 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 | ------------------------------------------------- |
Randy Dunlap | 4724ba5 | 2010-05-03 11:42:52 -0700 | [diff] [blame] | 86 | davinci_wdt: |
| 87 | heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60 |
| 88 | ------------------------------------------------- |
| 89 | ep93xx_wdt: |
| 90 | nowayout: Watchdog cannot be stopped once started |
| 91 | timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD) |
| 92 | ------------------------------------------------- |
| 93 | eurotechwdt: |
| 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 | ------------------------------------------------- |
| 100 | gef_wdt: |
| 101 | nowayout: Watchdog cannot be stopped once started |
| 102 | (default=kernel config parameter) |
| 103 | ------------------------------------------------- |
| 104 | geodewdt: |
| 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 | ------------------------------------------------- |
| 109 | i6300esb: |
| 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 | ------------------------------------------------- |
| 114 | iTCO_wdt: |
| 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 | ------------------------------------------------- |
| 120 | iTCO_vendor_support: |
| 121 | vendorsupport: iTCO vendor specific support mode, default=0 (none), |
| 122 | 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS |
| 123 | ------------------------------------------------- |
| 124 | ib700wdt: |
| 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 | ------------------------------------------------- |
| 129 | ibmasr: |
| 130 | nowayout: Watchdog cannot be stopped once started |
| 131 | (default=kernel config parameter) |
| 132 | ------------------------------------------------- |
Fabio Estevam | 476099a | 2010-06-24 09:43:25 -0700 | [diff] [blame] | 133 | imx2_wdt: |
| 134 | timeout: Watchdog timeout in seconds (default 60 s) |
| 135 | nowayout: Watchdog cannot be stopped once started |
| 136 | (default=kernel config parameter) |
| 137 | ------------------------------------------------- |
Randy Dunlap | 4724ba5 | 2010-05-03 11:42:52 -0700 | [diff] [blame] | 138 | indydog: |
| 139 | nowayout: Watchdog cannot be stopped once started |
| 140 | (default=kernel config parameter) |
| 141 | ------------------------------------------------- |
| 142 | iop_wdt: |
| 143 | nowayout: Watchdog cannot be stopped once started |
| 144 | (default=kernel config parameter) |
| 145 | ------------------------------------------------- |
| 146 | it8712f_wdt: |
| 147 | margin: Watchdog margin in seconds (default 60) |
| 148 | nowayout: Disable watchdog shutdown on close |
| 149 | (default=kernel config parameter) |
| 150 | ------------------------------------------------- |
| 151 | it87_wdt: |
| 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 | ------------------------------------------------- |
| 159 | ixp2000_wdt: |
| 160 | heartbeat: Watchdog heartbeat in seconds (default 60s) |
| 161 | nowayout: Watchdog cannot be stopped once started |
| 162 | (default=kernel config parameter) |
| 163 | ------------------------------------------------- |
| 164 | ixp4xx_wdt: |
| 165 | heartbeat: Watchdog heartbeat in seconds (default 60s) |
| 166 | nowayout: Watchdog cannot be stopped once started |
| 167 | (default=kernel config parameter) |
| 168 | ------------------------------------------------- |
| 169 | ks8695_wdt: |
| 170 | wdt_time: Watchdog time in seconds. (default=5) |
| 171 | nowayout: Watchdog cannot be stopped once started |
| 172 | (default=kernel config parameter) |
| 173 | ------------------------------------------------- |
| 174 | machzwd: |
| 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 | ------------------------------------------------- |
| 180 | max63xx_wdt: |
| 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 | ------------------------------------------------- |
| 187 | mixcomwd: |
| 188 | nowayout: Watchdog cannot be stopped once started |
| 189 | (default=kernel config parameter) |
| 190 | ------------------------------------------------- |
| 191 | mpc8xxx_wdt: |
| 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 | ------------------------------------------------- |
| 197 | mpcore_wdt: |
| 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 | ------------------------------------------------- |
| 205 | mv64x60_wdt: |
| 206 | nowayout: Watchdog cannot be stopped once started |
| 207 | (default=kernel config parameter) |
| 208 | ------------------------------------------------- |
| 209 | nuc900_wdt: |
| 210 | heartbeat: Watchdog heartbeats in seconds. |
| 211 | (default = 15) |
| 212 | nowayout: Watchdog cannot be stopped once started |
| 213 | (default=kernel config parameter) |
| 214 | ------------------------------------------------- |
| 215 | omap_wdt: |
| 216 | timer_margin: initial watchdog timeout (in seconds) |
| 217 | ------------------------------------------------- |
| 218 | orion_wdt: |
| 219 | heartbeat: Initial watchdog heartbeat in seconds |
| 220 | nowayout: Watchdog cannot be stopped once started |
| 221 | (default=kernel config parameter) |
| 222 | ------------------------------------------------- |
| 223 | pc87413_wdt: |
| 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 | ------------------------------------------------- |
| 229 | pika_wdt: |
| 230 | heartbeat: Watchdog heartbeats in seconds. (default = 15) |
| 231 | nowayout: Watchdog cannot be stopped once started |
| 232 | (default=kernel config parameter) |
| 233 | ------------------------------------------------- |
| 234 | pnx4008_wdt: |
| 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 | ------------------------------------------------- |
| 238 | pnx833x_wdt: |
| 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 | ------------------------------------------------- |
| 244 | rc32434_wdt: |
| 245 | timeout: Watchdog timeout value, in seconds (default=20) |
| 246 | nowayout: Watchdog cannot be stopped once started |
| 247 | (default=kernel config parameter) |
| 248 | ------------------------------------------------- |
| 249 | riowd: |
| 250 | riowd_timeout: Watchdog timeout in minutes (default=1) |
| 251 | ------------------------------------------------- |
| 252 | s3c2410_wdt: |
| 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 | ------------------------------------------------- |
| 260 | sa1100_wdt: |
| 261 | margin: Watchdog margin in seconds (default 60s) |
| 262 | ------------------------------------------------- |
| 263 | sb_wdog: |
| 264 | timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs) |
| 265 | ------------------------------------------------- |
| 266 | sbc60xxwdt: |
| 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 | ------------------------------------------------- |
| 273 | sbc7240_wdt: |
| 274 | timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30) |
| 275 | nowayout: Disable watchdog when closing device file |
| 276 | ------------------------------------------------- |
| 277 | sbc8360: |
| 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 | ------------------------------------------------- |
| 282 | sbc_epx_c3: |
| 283 | nowayout: Watchdog cannot be stopped once started |
| 284 | (default=kernel config parameter) |
| 285 | ------------------------------------------------- |
| 286 | sbc_fitpc2_wdt: |
| 287 | margin: Watchdog margin in seconds (default 60s) |
| 288 | nowayout: Watchdog cannot be stopped once started |
| 289 | ------------------------------------------------- |
| 290 | sc1200wdt: |
| 291 | isapnp: When set to 0 driver ISA PnP support will be disabled (default=1) |
| 292 | io: io port |
| 293 | timeout: range is 0-255 minutes, default is 1 |
| 294 | nowayout: Watchdog cannot be stopped once started |
| 295 | (default=kernel config parameter) |
| 296 | ------------------------------------------------- |
| 297 | sc520_wdt: |
| 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 | ------------------------------------------------- |
| 302 | sch311x_wdt: |
| 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 | ------------------------------------------------- |
| 309 | scx200_wdt: |
| 310 | margin: Watchdog margin in seconds |
| 311 | nowayout: Disable watchdog shutdown on close |
| 312 | ------------------------------------------------- |
| 313 | shwdt: |
| 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 | ------------------------------------------------- |
| 320 | smsc37b787_wdt: |
| 321 | timeout: range is 1-255 units, default is 60 |
| 322 | nowayout: Watchdog cannot be stopped once started |
| 323 | (default=kernel config parameter) |
| 324 | ------------------------------------------------- |
| 325 | softdog: |
| 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 |
| 331 | (default=0) |
| 332 | ------------------------------------------------- |
| 333 | stmp3xxx_wdt: |
| 334 | heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19 |
| 335 | ------------------------------------------------- |
| 336 | ts72xx_wdt: |
| 337 | timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8) |
| 338 | nowayout: Disable watchdog shutdown on close |
| 339 | ------------------------------------------------- |
| 340 | twl4030_wdt: |
| 341 | nowayout: Watchdog cannot be stopped once started |
| 342 | (default=kernel config parameter) |
| 343 | ------------------------------------------------- |
| 344 | txx9wdt: |
| 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 | ------------------------------------------------- |
| 349 | w83627hf_wdt: |
| 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 | ------------------------------------------------- |
| 355 | w83697hf_wdt: |
| 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 | ------------------------------------------------- |
| 362 | w83697ug_wdt: |
| 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 | ------------------------------------------------- |
| 368 | w83877f_wdt: |
| 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 | ------------------------------------------------- |
| 373 | w83977f_wdt: |
| 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 | ------------------------------------------------- |
| 379 | wafer5823wdt: |
| 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 | ------------------------------------------------- |
| 384 | wdt285: |
| 385 | soft_margin: Watchdog timeout in seconds (default=60) |
| 386 | ------------------------------------------------- |
| 387 | wdt977: |
| 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 | ------------------------------------------------- |
| 393 | wm831x_wdt: |
| 394 | nowayout: Watchdog cannot be stopped once started |
| 395 | (default=kernel config parameter) |
| 396 | ------------------------------------------------- |
| 397 | wm8350_wdt: |
| 398 | nowayout: Watchdog cannot be stopped once started |
| 399 | (default=kernel config parameter) |
| 400 | ------------------------------------------------- |