John Baldwin f7c701d528 Reenable 64-bit DMA for twa(4) controllers, but use a boundary of 4GB to
prevent individual transactions from crossing a 4GB address boundary.  Due
to bus_size_t type limitations, the driver uses a 2GB boundary in PAE
kernels.

Reviewed by:	scottl
MFC after:	1 week
2009-03-23 19:27:23 +00:00
..
2009-03-20 13:03:33 +00:00
2009-02-16 18:02:32 +00:00
2009-03-09 13:32:19 +00:00
2009-03-16 16:15:14 +00:00