LEIOC(4) - Device Drivers Manual (loongson)

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. ...