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tcpcib(4/amd64) Intel Atom E600 series LPC bridge, timecounter and watchdog timer
tcpcib(4/i386) Intel Atom E600 series LPC bridge, timecounter and watchdog timer

TCPCIB(4) Device Drivers Manual (amd64) TCPCIB(4)

NAME

tcpcibIntel Atom E600 series LPC bridge, timecounter and watchdog timer

SYNOPSIS

tcpcib* at pci?
isa* at tcpcib?

DESCRIPTION

The tcpcib driver provides support for the Intel Atom E600 series LPC bridge and implements a 64-bit 14.3 MHz timecounter using the HPET timer.
The tcpcib driver also provides the standard watchdog(4) interface to the watchdog timer and may be used with watchdogd(8). The watchdog timer can be configured via sysctl(8).
Once the watchdog timer resets the CPU, the driver reports it on the next boot displaying the “reboot on timeout” message in the dmesg(8).
The maximum timeout value supported by the watchdog timer is 600 seconds.

SEE ALSO

intro(4), isa(4), pci(4), watchdog(4), sysctl(8), watchdogd(8)

HISTORY

The tcpcib driver first appeared in OpenBSD 5.2.

AUTHORS

The tcpcib driver was written by Matt Dainty <matt@bodgit-n-scarper.com>.

BUGS

Apart from the core pcib(4) functionality, timecounter and the watchdog(4) interface, the driver doesn't support any other aspects of the hardware.
November 15, 2014 OpenBSD-5.7