Author: nwhitehorn
Date: Wed Oct 23 14:28:59 2013
New Revision: 256973
URL: http://svnweb.freebsd.org/changeset/base/256973
Log:
If the device tree directly contains the timebase frequency, use it. This
property is required by ePAPR, but maintain the fallback to bus-frequency
for compatibility.
MFC after: 2 weeks
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 14:28:42 2013
(r256972)
+++ head/sys/powerpc/booke/platform_bare.c Wed Oct 23 14:28:59 2013
(r256973)
@@ -188,6 +188,10 @@ 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;
+
freq = 0;
if (OF_getprop(child, "bus-frequency", (void *)&freq,
sizeof(freq)) <= 0)
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