powerpc/fsl-rio: add support for mapping inbound windows
Add support for mapping and unmapping of inbound rapidio windows. This allows for drivers to open up a part of local memory on the rapidio network. Also applications can use this and tranfer blocks of data over the network. Signed-off-by: NMartijn de Gouw <martijn.de.gouw@prodrive-technologies.com> [scottwood@freescale.com: updated commit message based on review] Signed-off-by: NScott Wood <scottwood@freescale.com>
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