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LEIOC(4) Device Drivers Manual (loongson) LEIOC(4)

Loongson 3A low-end IO controller

leioc* at mainbus0
com* at leioc?

The leioc driver supports the low-end IO controller present in Loongson 3A CPU packages.
The controller provides several IO interfaces:
Currently, only the com(4) interfaces are supported by the leioc driver.

com(4), mainbus(4)

The leioc driver first appeared in OpenBSD 6.1.
November 17, 2016 OpenBSD-current