RapidIO Subsystem Guide¶
- Author:
Matt Porter
Introduction¶
RapidIO is a high speed switched fabric interconnect with features aimed at the embedded market. RapidIO provides support for memory-mapped I/O as well as message-based transactions over the switched fabric network. RapidIO has a standardized discovery mechanism not unlike the PCI bus standard that allows simple detection of devices in a network.
This documentation is provided for developers intending to support RapidIO on new architectures, write new drivers, or to understand the subsystem internals.
Known Bugs and Limitations¶
Bugs¶
None. ;)
Limitations¶
Access/management of RapidIO memory regions is not supported
Multiple host enumeration is not supported
RapidIO driver interface¶
Drivers are provided a set of calls in order to interface with the subsystem to gather info on devices, request/map memory region resources, and manage mailboxes/doorbells.
Functions¶
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Internals¶
This chapter contains the autogenerated documentation of the RapidIO subsystem.
Structures¶
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Enumeration and Discovery¶
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Driver functionality¶
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Device model support¶
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PPC32 support¶
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Credits¶
The following people have contributed to the RapidIO subsystem directly or indirectly:
Matt Portermporter@kernel.crashing.org
Randy Vinsonrvinson@mvista.com
Dan Malekdan@embeddedalley.com
The following people have contributed to this document:
Matt Portermporter@kernel.crashing.org