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-rw-r--r--src/include/cpu/intel/speedstep.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/cpu/intel/speedstep.h b/src/include/cpu/intel/speedstep.h
index 59336ed0c6..4b556b758b 100644
--- a/src/include/cpu/intel/speedstep.h
+++ b/src/include/cpu/intel/speedstep.h
@@ -40,6 +40,7 @@
#define IA32_PERF_CTL 0x199
#define MSR_THERM2_CTL 0x19D
#define IA32_MISC_ENABLES 0x1A0
+#define MSR_EBC_FREQUENCY_ID 0x2c
#define MSR_FSB_FREQ 0xcd
#define MSR_FSB_CLOCK_VCC 0xce
#define MSR_PMG_CST_CONFIG_CONTROL 0xe2