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authorJonathan Gray <jsg@cvs.openbsd.org>2009-01-11 07:12:08 +0000
committerJonathan Gray <jsg@cvs.openbsd.org>2009-01-11 07:12:08 +0000
commit37a9506efc2905882c0557b16b6a5e3c54a2bb57 (patch)
treeb73769d674fe6bf505c366ad7ca41bba86dc8b62 /sys
parent68fa9cdba1a2bfbc4241058663eb919a281d9c2b (diff)
Add additional values for the Atom FSB_FREQ bus clock MSR now
Intel actually document it publically.
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/i386/i386/machdep.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/machdep.c b/sys/arch/i386/i386/machdep.c
index 0f32126e5f8..d81f5b4501c 100644
--- a/sys/arch/i386/i386/machdep.c
+++ b/sys/arch/i386/i386/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.442 2008/12/18 14:17:28 kurt Exp $ */
+/* $OpenBSD: machdep.c,v 1.443 2009/01/11 07:12:07 jsg Exp $ */
/* $NetBSD: machdep.c,v 1.214 1996/11/10 03:16:17 thorpej Exp $ */
/*-
@@ -2023,9 +2023,15 @@ p3_get_bus_clock(struct cpu_info *ci)
msr = rdmsr(MSR_FSB_FREQ);
bus = (msr >> 0) & 0x7;
switch (bus) {
+ case 5:
+ bus_clock = BUS100;
+ break;
case 1:
bus_clock = BUS133;
break;
+ case 3:
+ bus_clock = BUS166;
+ break;
default:
printf("%s: unknown Atom FSB_FREQ value %d",
ci->ci_dev.dv_xname, bus);