gscpcib(4) - NetBSD Manual Pages

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GSCPCIB(4)           NetBSD/i386 Kernel Interfaces Manual           GSCPCIB(4)


NAME

     gscpcib -- National Semiconductor Geode SC1100 PCI-ISA bridge


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 pcib(4) function-
     ality, 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 manipu-
     late these pins from userland.


SEE ALSO

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


HISTORY

     The gscpcib driver first appeared in OpenBSD 3.6 and NetBSD 4.0.


AUTHORS

     The gscpcib driver was written by Alexander Yurchenko
     <grange@openbsd.org> and was ported to NetBSD by Jared D. McNeill
     <jmcneill@NetBSD.org>.

NetBSD 5.2.2                  September 27, 2005                  NetBSD 5.2.2