SOEKRIS(4)            NetBSD/x86 Kernel Interfaces Manual           SOEKRIS(4)

NAME
     soekrisgpio -- Soekris net6501 GPIO and LEDs

SYNOPSIS
     soekrisgpio0 at isa? port 0x680
     gpio* at soekrisgpio?

DESCRIPTION
     The soekrisgpio driver provides support for the GPIO and LEDs as imple-
     mented by the Xilinx Spartan FGPA integrated into the Soekris net6501
     programmed with the default bitstream found in the BIOS.

     Two standard gpio(4) interfaces are provided, one for the 16 real pins
     which can be configured as either inputs or outputs and another with 2
     output-only pins that map to the error and ready LEDs respectively.  Both
     may be used with gpioctl(8).

SEE ALSO
     gpio(4), intro(4), isa(4), gpioctl(8)

HISTORY
     The soekrisgpio driver first appeared in NetBSD 7.0.

AUTHORS
     The soekrisgpio driver was written by Matt Dainty <matt@...> and imported
     from a patch for OpenBSD to NetBSD by
     Frank Kardel <kardel@NetBSD.org>.

BUGS
     If the Xilinx FPGA is programmed with a different bitstream, the driver
     will likely not function.

NetBSD 7.0                       June 10, 2013                      NetBSD 7.0

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©1996-2014 Modified for NetBSD by Kimmo Suominen