GSCPCIB(4) - Device Drivers Manual (i386) #

GSCPCIB(4) - Device Drivers Manual (i386)

NAME #

gscpcib - National Semiconductor Geode SC1100 PCI-ISA bridge with GPIO

SYNOPSIS #

gscpcib* at pci? isa* at gscpcib? gpio* at gscpcib?

DESCRIPTION #

The gscpcib driver provides support for the National Semiconductor Geode SC1100 System-on-Chip PCI-ISA bridge. This device is a PCI-ISA bridge, but with some additional sub-devices. Besides the core functionality, the gscpcib driver provides support for the GPIO interface of this device.

The device has 64 I/O pins which can be accessed through the gpio(4) framework. The gpioctl(8) program provides a convenient way to manipulate these pins from userland.

SEE ALSO #

gpio(4), intro(4), isa(4), pci(4), gpioctl(8)

HISTORY #

The gscpcib driver first appeared in OpenBSD 3.6.

AUTHORS #

The gscpcib driver was written by Alexander Yurchenko <grange@openbsd.org>.

OpenBSD 7.5 - July 16, 2013