5 files changed, 5 insertions, 1 deletions
diff --git a/src/cpu/intel/model_1067x/Kconfig b/src/cpu/intel/model_1067x/Kconfig
index b079922275..852c9cdf0c 100644
--- a/src/cpu/intel/model_1067x/Kconfig
+++ b/src/cpu/intel/model_1067x/Kconfig
@@ -2,3 +2,4 @@ config CPU_INTEL_MODEL_1067X
 	bool
 	select SMP
 	select SSE2
+	select TSC_SYNC_MFENCE
diff --git a/src/cpu/intel/model_106cx/Kconfig b/src/cpu/intel/model_106cx/Kconfig
index 103ed50d3e..7a75ec1ba3 100644
--- a/src/cpu/intel/model_106cx/Kconfig
+++ b/src/cpu/intel/model_106cx/Kconfig
@@ -4,9 +4,9 @@ config CPU_INTEL_MODEL_106CX
 	select SSE2
 	select UDELAY_LAPIC
 	select AP_IN_SIPI_WAIT
+	select TSC_SYNC_MFENCE
 
 config CPU_ADDR_BITS
 	int
 	default 32
 
-
diff --git a/src/cpu/intel/model_206ax/Kconfig b/src/cpu/intel/model_206ax/Kconfig
index 9cc6edd94e..6635868453 100644
--- a/src/cpu/intel/model_206ax/Kconfig
+++ b/src/cpu/intel/model_206ax/Kconfig
@@ -14,6 +14,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SMM_TSEG
 	select MICROCODE_IN_CBFS
 	#select AP_IN_SIPI_WAIT
+	select TSC_SYNC_MFENCE
 
 config BOOTBLOCK_CPU_INIT
 	string
diff --git a/src/cpu/intel/model_6ex/Kconfig b/src/cpu/intel/model_6ex/Kconfig
index 31d24bd68f..e2b1986132 100644
--- a/src/cpu/intel/model_6ex/Kconfig
+++ b/src/cpu/intel/model_6ex/Kconfig
@@ -4,3 +4,4 @@ config CPU_INTEL_MODEL_6EX
 	select SSE2
 	select UDELAY_LAPIC
 	select AP_IN_SIPI_WAIT
+	select TSC_SYNC_MFENCE
diff --git a/src/cpu/intel/model_6fx/Kconfig b/src/cpu/intel/model_6fx/Kconfig
index 851685cb06..4517f17fa6 100644
--- a/src/cpu/intel/model_6fx/Kconfig
+++ b/src/cpu/intel/model_6fx/Kconfig
@@ -4,3 +4,4 @@ config CPU_INTEL_MODEL_6FX
 	select SSE2
 	select UDELAY_LAPIC
 	select AP_IN_SIPI_WAIT
+	select TSC_SYNC_MFENCE