LEIOC(4) - Device Drivers Manual (loongson) #
LEIOC(4) - Device Drivers Manual (loongson)
NAME #
leioc - Loongson 3A low-end IO controller
SYNOPSIS #
leioc* at mainbus0 com* at leioc?
DESCRIPTION #
The leioc driver supports the low-end IO controller present in Loongson 3A CPU packages.
The controller provides several IO interfaces:
- a conventional pci(4) bus
- a Low Pin Count (LPC) bus
- a Serial Peripheral Interface (SPI) bus
- 16 gpio(4) pins
- two com(4) interfaces
Currently, only the com(4) interfaces are supported by the leioc driver.
SEE ALSO #
HISTORY #
The leioc driver first appeared in OpenBSD 6.1.
OpenBSD 7.5 - November 17, 2016