SSIO(4) | Device Drivers Manual (hppa) | SSIO(4)

# NAME

`ssio` — National Semiconductor PC87560 Legacy IO

# SYNOPSIS

`ssio* at pci?`

# DESCRIPTION

The `ssio` driver provides support for the National Semiconductor PC87560 Legacy IO chip on systems with PA-8500 and later 64-bit CPUs. It configures the Programmable Interrupt Controllers integrated on the chip to route interrupts for the integrated ohci(4) USB controller (which appears as a separate PCI device).

NetBSD provides support for the following devices:

com(4)
  serial communications interface
lpt(4)
  parallel port driver

# SEE ALSO

hppa/intro(4), pci(4)

# HISTORY

The `ssio` driver appeared in OpenBSD 4.2. It was ported to NetBSD 6.0 by Nick Hudson.

February 17, 2017 | NetBSD 11.99