scottl 062887dc66 Hack around a bug in the 2200 and 2120 controllers that connot DMA
commands from below the first 8K of physical memory.  A better fix
is to modify the busdma api to allow either inclusion ranges or
multiple exclusion ranges, but that debate is for another day.

MFC After:	2 days
2003-01-23 01:01:44 +00:00
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