NAME

glxpcib — AMD CS5536 PCI-ISA bridge with timecounter, watchdog timer, and GPIO

SYNOPSIS

glxpcib* at pci?
gpio* at glxpcib?
iic* at glxpcib?
isa* at glxpcib?

DESCRIPTION

The glxpcib driver provides support for the AMD Geode CS5536 Companion chip. This device contains a number of components, including a PCI-ISA bridge. Besides the core functionality, the glxpcib driver implements a 32-bit 3.5 MHz timecounter, a watchdog timer device, a GPIO device, and an SMBus interface.

SEE ALSO

gpio(4), iic(4), intro(4), isa(4), pci(4), pcib(4), watchdog(4), gpioctl(8)

HISTORY

The glxpcib driver first appeared in OpenBSD 4.3.

AUTHORS

The glxpcib driver was written by Michael Shalayeff. The GPIO parts were added by Marc Balmer <mbalmer@openbsd.org>.