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4 Commits

Author SHA1 Message Date
Andrew Gallatin
49c0f52e11 Support bounce buffers for ISA DMA on the alpha. This is required for the 
irongate chipset (used in the UP1000) which does not support scatter/gather
DMA.  We'll still use scatter gather if the core logic chipset supports it.

Reviewed by: dfr
 2000-06-19 18:41:27 +00:00
Poul-Henning Kamp
d8b47cbb70 Stop isadma from abusing the B_READ, B_RAW and B_WRITE flags. 
Define ISADMA_{READ,WRITE,RAW} macros with the same numeric
values as the B_{READ,WRITE,RAW} and use them instead throughout.
 2000-03-13 10:19:32 +00:00
Peter Wemm
c3aac50f28 $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
Doug Rabson
37b094f876 * Implement ISA dma (only for CIA now but more chipsets to follow). 
* Port the fd driver to alpha.
 1999-06-05 13:30:13 +00:00