svn commit: r197837 - head/sys/dev/bge

[Stanislav Sedov]

Author: stas
Date: Wed Oct  7 14:29:48 2009
New Revision: 197837
URL: http://svn.freebsd.org/changeset/base/197837

Log:
  - Give a name to the host coalescing bug fix WDMA mode register bit instead
    of using hardcoded value in the code.
  Obtained from:	OpenBSD

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

Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c	Wed Oct  7 14:14:05 2009	(r197836)
+++ head/sys/dev/bge/if_bge.c	Wed Oct  7 14:29:48 2009	(r197837)
@@ -1789,7 +1789,7 @@ bge_blockinit(struct bge_softc *sc)
 
 	/* Enable host coalescing bug fix. */
 	if (BGE_IS_5755_PLUS(sc))
-		val |= 1 << 29;
+		val |= BGE_WDMAMODE_STATUS_TAG_FIX;
 
 	/* Turn on write DMA state machine */
 	CSR_WRITE_4(sc, BGE_WDMA_MODE, val);

Modified: head/sys/dev/bge/if_bgereg.h
==============================================================================
--- head/sys/dev/bge/if_bgereg.h	Wed Oct  7 14:14:05 2009	(r197836)
+++ head/sys/dev/bge/if_bgereg.h	Wed Oct  7 14:29:48 2009	(r197837)
@@ -1431,6 +1431,7 @@
 #define	BGE_WDMAMODE_PCI_FIFOOREAD_ATTN	0x00000100
 #define	BGE_WDMAMODE_LOCREAD_TOOBIG	0x00000200
 #define	BGE_WDMAMODE_ALL_ATTNS		0x000003FC
+#define	BGE_WDMAMODE_STATUS_TAG_FIX	0x20000000
 
 /* Write DMA status register */
 #define	BGE_WDMASTAT_PCI_TGT_ABRT_ATTN	0x00000004