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kernel-ark/Documentation/watchdog/watchdog-parameters.txt
Fabio Estevam 476099a1b3 watchdog: docs: add an entry for imx2_wdt 
Add an entry for imx2_wdt in watchdog-parameters.txt

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-07-01 16:02:55 +00:00

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This file provides information on the module parameters of many of
the Linux watchdog drivers. Watchdog driver parameter specs should
be listed here unless the driver has its own driver-specific information
file.
See Documentation/kernel-parameters.txt for information on
providing kernel parameters for builtin drivers versus loadable
modules.
-------------------------------------------------
acquirewdt:
wdt_stop: Acquire WDT 'stop' io port (default 0x43)
wdt_start: Acquire WDT 'start' io port (default 0x443)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
advantechwdt:
wdt_stop: Advantech WDT 'stop' io port (default 0x443)
wdt_start: Advantech WDT 'start' io port (default 0x443)
timeout: Watchdog timeout in seconds. 1<= timeout <=63, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
alim1535_wdt:
timeout: Watchdog timeout in seconds. (0 < timeout < 18000, default=60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
alim7101_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30
use_gpio: Use the gpio watchdog (required by old cobalt boards).
default=0/off/no
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ar7_wdt:
margin: Watchdog margin in seconds (default=60)
nowayout: Disable watchdog shutdown on close
(default=kernel config parameter)
-------------------------------------------------
at32ap700x_wdt:
timeout: Timeout value. Limited to be 1 or 2 seconds. (default=2)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
at91rm9200_wdt:
wdt_time: Watchdog time in seconds. (default=5)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
at91sam9_wdt:
heartbeat: Watchdog heartbeats in seconds. (default = 15)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
bcm47xx_wdt:
wdt_time: Watchdog time in seconds. (default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
bfin_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=((2^32)/SCLK), default=20)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
coh901327_wdt:
margin: Watchdog margin in seconds (default 60s)
-------------------------------------------------
cpu5wdt:
port: base address of watchdog card, default is 0x91
verbose: be verbose, default is 0 (no)
ticks: count down ticks, default is 10000
-------------------------------------------------
cpwd:
wd0_timeout: Default watchdog0 timeout in 1/10secs
wd1_timeout: Default watchdog1 timeout in 1/10secs
wd2_timeout: Default watchdog2 timeout in 1/10secs
-------------------------------------------------
davinci_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 600, default 60
-------------------------------------------------
ep93xx_wdt:
nowayout: Watchdog cannot be stopped once started
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=TBD)
-------------------------------------------------
eurotechwdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
io: Eurotech WDT io port (default=0x3f0)
irq: Eurotech WDT irq (default=10)
ev: Eurotech WDT event type (default is `int')
-------------------------------------------------
gef_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
geodewdt:
timeout: Watchdog timeout in seconds. 1<= timeout <=131, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
i6300esb:
heartbeat: Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
iTCO_wdt:
heartbeat: Watchdog heartbeat in seconds.
(2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
iTCO_vendor_support:
vendorsupport: iTCO vendor specific support mode, default=0 (none),
1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS
-------------------------------------------------
ib700wdt:
timeout: Watchdog timeout in seconds. 0<= timeout <=30, default=30.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ibmasr:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
imx2_wdt:
timeout: Watchdog timeout in seconds (default 60 s)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
indydog:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
iop_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
it8712f_wdt:
margin: Watchdog margin in seconds (default 60)
nowayout: Disable watchdog shutdown on close
(default=kernel config parameter)
-------------------------------------------------
it87_wdt:
nogameport: Forbid the activation of game port, default=0
exclusive: Watchdog exclusive device open, default=1
timeout: Watchdog timeout in seconds, default=60
testmode: Watchdog test mode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ixp2000_wdt:
heartbeat: Watchdog heartbeat in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ixp4xx_wdt:
heartbeat: Watchdog heartbeat in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
ks8695_wdt:
wdt_time: Watchdog time in seconds. (default=5)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
machzwd:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
action: after watchdog resets, generate:
0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI
-------------------------------------------------
max63xx_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
nodelay: Force selection of a timeout setting without initial delay
(max6373/74 only, default=0)
-------------------------------------------------
mixcomwd:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
mpc8xxx_wdt:
timeout: Watchdog timeout in ticks. (0<timeout<65536, default=65535)
reset: Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
mpcore_wdt:
mpcore_margin: MPcore timer margin in seconds.
(0 < mpcore_margin < 65536, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
mpcore_noboot: MPcore watchdog action, set to 1 to ignore reboots,
0 to reboot (default=0
-------------------------------------------------
mv64x60_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
nuc900_wdt:
heartbeat: Watchdog heartbeats in seconds.
(default = 15)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
omap_wdt:
timer_margin: initial watchdog timeout (in seconds)
-------------------------------------------------
orion_wdt:
heartbeat: Initial watchdog heartbeat in seconds
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
pc87413_wdt:
io: pc87413 WDT I/O port (default: io).
timeout: Watchdog timeout in minutes (default=timeout).
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
pika_wdt:
heartbeat: Watchdog heartbeats in seconds. (default = 15)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
pnx4008_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 60, default 19
nowayout: Set to 1 to keep watchdog running after device release
-------------------------------------------------
pnx833x_wdt:
timeout: Watchdog timeout in Mhz. (68Mhz clock), default=2040000000 (30 seconds)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
start_enabled: Watchdog is started on module insertion (default=1)
-------------------------------------------------
rc32434_wdt:
timeout: Watchdog timeout value, in seconds (default=20)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
riowd:
riowd_timeout: Watchdog timeout in minutes (default=1)
-------------------------------------------------
s3c2410_wdt:
tmr_margin: Watchdog tmr_margin in seconds. (default=15)
tmr_atboot: Watchdog is started at boot time if set to 1, default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
soft_noboot: Watchdog action, set to 1 to ignore reboots, 0 to reboot
debug: Watchdog debug, set to >1 for debug, (default 0)
-------------------------------------------------
sa1100_wdt:
margin: Watchdog margin in seconds (default 60s)
-------------------------------------------------
sb_wdog:
timeout: Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)
-------------------------------------------------
sbc60xxwdt:
wdt_stop: SBC60xx WDT 'stop' io port (default 0x45)
wdt_start: SBC60xx WDT 'start' io port (default 0x443)
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sbc7240_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=255, default=30)
nowayout: Disable watchdog when closing device file
-------------------------------------------------
sbc8360:
timeout: Index into timeout table (0-63) (default=27 (60s))
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sbc_epx_c3:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sbc_fitpc2_wdt:
margin: Watchdog margin in seconds (default 60s)
nowayout: Watchdog cannot be stopped once started
-------------------------------------------------
sc1200wdt:
isapnp: When set to 0 driver ISA PnP support will be disabled (default=1)
io: io port
timeout: range is 0-255 minutes, default is 1
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sc520_wdt:
timeout: Watchdog timeout in seconds. (1 <= timeout <= 3600, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sch311x_wdt:
force_id: Override the detected device ID
therm_trip: Should a ThermTrip trigger the reset generator
timeout: Watchdog timeout in seconds. 1<= timeout <=15300, default=60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
scx200_wdt:
margin: Watchdog margin in seconds
nowayout: Disable watchdog shutdown on close
-------------------------------------------------
shwdt:
clock_division_ratio: Clock division ratio. Valid ranges are from 0x5 (1.31ms)
to 0x7 (5.25ms). (default=7)
heartbeat: Watchdog heartbeat in seconds. (1 <= heartbeat <= 3600, default=30
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
smsc37b787_wdt:
timeout: range is 1-255 units, default is 60
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
softdog:
soft_margin: Watchdog soft_margin in seconds.
(0 < soft_margin < 65536, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
soft_noboot: Softdog action, set to 1 to ignore reboots, 0 to reboot
(default=0)
-------------------------------------------------
stmp3xxx_wdt:
heartbeat: Watchdog heartbeat period in seconds from 1 to 4194304, default 19
-------------------------------------------------
ts72xx_wdt:
timeout: Watchdog timeout in seconds. (1 <= timeout <= 8, default=8)
nowayout: Disable watchdog shutdown on close
-------------------------------------------------
twl4030_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
txx9wdt:
timeout: Watchdog timeout in seconds. (0<timeout<N, default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83627hf_wdt:
wdt_io: w83627hf/thf WDT io port (default 0x2E)
timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83697hf_wdt:
wdt_io: w83697hf/hg WDT io port (default 0x2e, 0 = autodetect)
timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
early_disable: Watchdog gets disabled at boot time (default=1)
-------------------------------------------------
w83697ug_wdt:
wdt_io: w83697ug/uf WDT io port (default 0x2e)
timeout: Watchdog timeout in seconds. 1<= timeout <=255 (default=60)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83877f_wdt:
timeout: Watchdog timeout in seconds. (1<=timeout<=3600, default=30)
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
w83977f_wdt:
timeout: Watchdog timeout in seconds (15..7635), default=45)
testmode: Watchdog testmode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wafer5823wdt:
timeout: Watchdog timeout in seconds. 1 <= timeout <= 255, default=60.
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wdt285:
soft_margin: Watchdog timeout in seconds (default=60)
-------------------------------------------------
wdt977:
timeout: Watchdog timeout in seconds (60..15300, default=60)
testmode: Watchdog testmode (1 = no reboot), default=0
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wm831x_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
wm8350_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
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