IBM Hardware: Test speed of an execution core reliably. Post: 302845945

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LEARN ABOUT FREEBSD

simplebus

SIMPLEBUS(4)						   BSD Kernel Interfaces Manual 					      SIMPLEBUS(4)

NAME

     simplebus -- ePAPR simple-bus driver

SYNOPSIS

     options FDT

DESCRIPTION

     This bus driver is dedicated for the simple-bus node of a flattened device tree compliant with the ePAPR specification.

     The simplebus entity does not represent any physical element by itself, it is rather an umbrella node grouping integrated on-chip peripherals
     like interrupt controller, connectivity controllers, accelerating engines and so on.

     The driver is generic and common for all flattened device tree nodes claiming simple-bus compatibility. It iterates over direct descendants
     of the simple-bus node, instantiates newbus children and assigns resources to them, based on the configuration data retrieved from the nodes
     properties in fdt(4).

     Note the simplebus does not manage device resources and passes through any requests to the fdtbus(4) layer.

SEE ALSO

     fdt(4), fdtbus(4), openfirm(4)

STANDARDS

     Power.org Standard for Embedded Power Architecture Platform Requirements (ePAPR).

HISTORY

     The simplebus support first appeared in FreeBSD 9.0.

AUTHORS

     The simplebus support was developed by Semihalf under sponsorship from the FreeBSD Foundation. This manual page was written by Rafal
     Jaworowski.

BSD
								   July 12, 2010							       BSD