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OBIO(4) Device Drivers Manual (socppc) OBIO(4)

obiosocppc onboard I/O bus device

obio0 at mainbus?

The obio interface serves as an abstraction used by the autoconfiguration system to help find and attach devices integrated on Freescale SoC processors.

obio provides support for the following devices:

com(4)
serial communications interface
ehci(4)
USB Enhanced Host Controller Interface
ipic(4)
integrated programmable interrupt controller
sociic(4)
socppc onboard I2C controller
socpcic(4)
socppc onboard PCI controller
tsec(4)
three-speed 10/100/Gigabit Ethernet device

intro(4), mainbus(4)

The obio driver first appeared in OpenBSD 4.4.

May 20, 2008 OpenBSD-5.1