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OPAL(4) Device Drivers Manual (powerpc64) OPAL(4)

opalOPAL OpenPower Abstraction Layer

opal* at fdt?

The opal driver provides support for the OPAL firmware found on PowerNV systems.

intro(4), opalcons(4), opalsens(4)

The opal driver first appeared in OpenBSD 6.8.

The opal driver was written by Mark Kettenis <>.

October 3, 2020 OpenBSD-current