Add a routine for testing memory mapped register access. This will hopefully detect things like buggy via chipsets so that the OSM can fallback to using I/O mapped access when memory mapped I/O simply will not work.
Add a routine for testing memory mapped register access.
This will hopefully detect things like buggy via chipsets
so that the OSM can fallback to using I/O mapped access
when memory mapped I/O simply will not work.

Approved by:	re (blanket)

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