svn commit: r232727 - head/sys/dev/bge

[John Baldwin]

Author: jhb
Date: Fri Mar  9 16:05:11 2012
New Revision: 232727
URL: http://svn.freebsd.org/changeset/base/232727

Log:
  Remove PAE special-case 2GB DMA boundary and always use a 4GB boundary
  now that DMA tags in PAE kernels support 4GB boundaries.
  
  Reviewed by:	yongari

Modified:
  head/sys/dev/bge/if_bgereg.h

Modified: head/sys/dev/bge/if_bgereg.h
==============================================================================
--- head/sys/dev/bge/if_bgereg.h	Fri Mar  9 15:42:47 2012	(r232726)
+++ head/sys/dev/bge/if_bgereg.h	Fri Mar  9 16:05:11 2012	(r232727)
@@ -2691,15 +2691,11 @@ struct bge_gib {
 #define	BGE_DMA_MAXADDR		0xFFFFFFFFFF
 #endif
 
-#ifdef PAE
-#define	BGE_DMA_BNDRY		0x80000000
-#else
 #if (BUS_SPACE_MAXADDR > 0xFFFFFFFF)
 #define	BGE_DMA_BNDRY		0x100000000
 #else
 #define	BGE_DMA_BNDRY		0
 #endif
-#endif
 
 /*
  * Ring structures. Most of these reside in host memory and we tell