ASTRO(4) | Device Drivers Manual (hppa) | ASTRO(4) |
astro
—
astro* at mainbus?
elroy* at astro?
astro
driver provides support for the Astro memory
and I/O controller used on systems with PA-8500 and later 64-bit CPUs. It
functions as a bridge from the Runway bus to up to 8 I/O ropes that connect to
Elroy chips. Astro contains an IOMMU and provides support for cache coherent
DMA.
astro
driver first appeared in
OpenBSD 4.2. It was ported to NetBSD
6.0 by Nick Hudson.
February 17, 2017 | NetBSD 9.4 |