Bus:
mainbus - An imaginary bus on which the other busses all reside.
obio - Devices on the motherboard, accessed by having their "registers"
mapped into the kernel's virtual address space
obmem - Devices on the motherboard that are mapped into main memory
by the hardware. Only true of some framebuffers.
vmes - VME D16 space
vmel - VME D32 space
Devices supported:
'obio' Bus:
Device Type Description
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zs CHAR zilog 8530 serial ports; used for serial ports, keybd, mouse
le IFNET lance ethernet driver
