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-rw-r--r--src/cpu/x86/lapic/apic_timer.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/cpu/x86/lapic/apic_timer.c b/src/cpu/x86/lapic/apic_timer.c
index 53209fbbff..93e948fb0e 100644
--- a/src/cpu/x86/lapic/apic_timer.c
+++ b/src/cpu/x86/lapic/apic_timer.c
@@ -25,6 +25,7 @@
#include <cpu/x86/car.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/lapic.h>
+#include <cpu/intel/speedstep.h>
/* NOTE: This code uses global variables, so it can not be used during
* memory init.
@@ -53,11 +54,11 @@ static int set_timer_fsb(void)
switch (c.x86_model) {
case 0xe: /* Core Solo/Duo */
case 0x1c: /* Atom */
- timer_fsb = core_fsb[rdmsr(0xcd).lo & 7];
+ timer_fsb = core_fsb[rdmsr(MSR_FSB_FREQ).lo & 7];
break;
case 0xf: /* Core 2 or Xeon */
case 0x17: /* Enhanced Core */
- timer_fsb = core2_fsb[rdmsr(0xcd).lo & 7];
+ timer_fsb = core2_fsb[rdmsr(MSR_FSB_FREQ).lo & 7];
break;
case 0x2a: /* SandyBridge BCLK fixed at 100MHz*/
case 0x3a: /* IvyBridge BCLK fixed at 100MHz*/