IOPWDOG(4) | Device Drivers Manual (evbarm) | IOPWDOG(4) |
iopwdog
— Intel
I/O Processor Watchdog Timer
iopxs* at mainbus?
iopwdog* at iopxs?
The iopwdog
driver supports the watchdog
timer built-in to the following Intel I/O Processors:
The watchdog timer counts down at a fixed rate based on the clock speed of the XScale CPU core. The period of the watchdog timer cannot be changed, nor can the watchdog time be disabled once is has been enabled.
The iopwdog
device first appeared in
NetBSD 2.0.
The iopwdog
driver was written by
Jason R. Thorpe
<thorpej@wasabisystems.com>
and contributed by Wasabi Systems, Inc.
August 2, 2002 | NetBSD 10.99 |