svn commit: r256974 - head/sys/powerpc/booke

Nathan Whitehorn nwhitehorn at FreeBSD.org
Wed Oct 23 14:34:05 UTC 2013


Author: nwhitehorn
Date: Wed Oct 23 14:34:04 2013
New Revision: 256974
URL: http://svnweb.freebsd.org/changeset/base/256974

Log:
  A quick addendum: the standard says that timebase-frequency can be either
  32 or 64 bits, so allow either.

Modified:
  head/sys/powerpc/booke/platform_bare.c

Modified: head/sys/powerpc/booke/platform_bare.c
==============================================================================
--- head/sys/powerpc/booke/platform_bare.c	Wed Oct 23 14:28:59 2013	(r256973)
+++ head/sys/powerpc/booke/platform_bare.c	Wed Oct 23 14:34:04 2013	(r256974)
@@ -188,9 +188,24 @@ bare_timebase_freq(platform_t plat, stru
 	if ((child = OF_child(cpus)) == 0)
 		goto out;
 
-	if (OF_getprop(child, "timebase-frequency", (void *)&ticks,
-	    sizeof(ticks)) == sizeof(ticks))
-		goto out;
+	switch (OF_getproplen(child, "timebase-frequency")) {
+	case 4:
+	{
+		uint32_t tbase;
+		OF_getprop(child, "timebase-frequency", &tbase, sizeof(tbase));
+		ticks = tbase;
+		return (ticks);
+	}
+	case 8:
+	{
+		uint64_t tbase;
+		OF_getprop(child, "timebase-frequency", &tbase, sizeof(tbase));
+		ticks = tbase;
+		return (ticks);
+	}
+	default:
+		break;
+	}
 
 	freq = 0;
 	if (OF_getprop(child, "bus-frequency", (void *)&freq,


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