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Date:      Tue, 1 Apr 2003 09:03:00 -0500 (EST)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Oliver Lehmann <lehmann@ans-netz.de>
Cc:        freebsd-alpha@freebsd.org
Subject:   Re: Does anyone use a FDDI card on 5.0?
Message-ID:  <16009.39956.192664.42414@grasshopper.cs.duke.edu>
In-Reply-To: <20030331233509.21ba9cce.lehmann@ans-netz.de>
References:  <003901c2f6e2$3f1c0d40$0a04a8c0@PLANETEORANGE.CA> <20030331181836.0c9b67d0.lehmann@ans-netz.de> <16008.28257.658768.820352@grasshopper.cs.duke.edu> <20030331213003.4e67d88f.lehmann@ans-netz.de> <16008.40619.177277.973890@grasshopper.cs.duke.edu> <20030331233509.21ba9cce.lehmann@ans-netz.de>

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Ah, OK.  DMA is definately a problem.  Try the appended patch.

Drew

Index: dev/pdq/pdq_freebsd.h
===================================================================
RCS file: /home/ncvs/src/sys/dev/pdq/pdq_freebsd.h,v
retrieving revision 1.2
diff -u -r1.2 pdq_freebsd.h
--- dev/pdq/pdq_freebsd.h	2 Jun 2002 20:05:46 -0000	1.2
+++ dev/pdq/pdq_freebsd.h	1 Apr 2003 14:01:41 -0000
@@ -165,7 +165,11 @@
 #define	PDQ_OS_CSR_FMT	"0x%x"
 
 #define	PDQ_OS_USEC_DELAY(n)		DELAY(n)
+#ifdef __alpha__
+#define	PDQ_OS_VA_TO_BUSPA(pdq, p)      alpha_XXX_dmamap((vm_offset_t)p)
+#else
 #define	PDQ_OS_VA_TO_BUSPA(pdq, p)	vtophys(p)
+#endif
 
 #define	PDQ_OS_MEMALLOC(n)		malloc(n, M_DEVBUF, M_NOWAIT)
 #define	PDQ_OS_MEMFREE(p, n)		free((void *) p, M_DEVBUF)



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