gcscpcib(4) - NetBSD Manual Pages

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GCSCPCIB(4)             NetBSD Kernel Interfaces Manual            GCSCPCIB(4)


NAME

     gcscpcib -- AMD CS553[56] PCI-ISA bridge with timecounter, watchdog
     timer, and GPIO


SYNOPSIS

     gcscpcib* at pci? dev ? function ?
     gpio*     at gcscpcib?
     isa*      at gcscpcib?


DESCRIPTION

     The gcscpcib driver provides support for the AMD Geode CS5535 and CS5536
     Companion chip.  This device contains a number of components, including a
     PCI-ISA bridge.  Besides the core functionality, the gcscpcib driver
     implements a 32-bit 3.5 MHz timecounter, a watchdog timer device, and a
     GPIO device. The watchdog timer may be configured via the wdogctl(8)
     utility and the GPIO pins can be manipulated via the gpioctl(8) utility.


SEE ALSO

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


HISTORY

     The gcscpcib driver first appeared in NetBSD 5.0.


AUTHORS

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

NetBSD 5.2.3                     March 5, 2008                    NetBSD 5.2.3