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-rw-r--r--src/cpu/intel/model_6ex/Kconfig4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/cpu/intel/model_6ex/Kconfig b/src/cpu/intel/model_6ex/Kconfig
index 4ae83f05f9..ff16724651 100644
--- a/src/cpu/intel/model_6ex/Kconfig
+++ b/src/cpu/intel/model_6ex/Kconfig
@@ -6,7 +6,9 @@ config CPU_INTEL_MODEL_6EX
select ARCH_RAMSTAGE_X86_32
select SMP
select SSE2
- select UDELAY_LAPIC
+ select UDELAY_TSC
+ select TSC_CONSTANT_RATE
+ select TSC_MONOTONIC_TIMER
select AP_IN_SIPI_WAIT
select TSC_SYNC_MFENCE
select SUPPORT_CPU_UCODE_IN_CBFS