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-rw-r--r--src/soc/intel/common/util.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/intel/common/util.h b/src/soc/intel/common/util.h
index 8c41151160..7d05e47c1d 100644
--- a/src/soc/intel/common/util.h
+++ b/src/soc/intel/common/util.h
@@ -17,9 +17,17 @@
#define _INTEL_COMMON_UTIL_H_
#include <arch/cpu.h>
+#include <cpu/x86/msr.h>
#include <stdint.h>
asmlinkage void soc_display_mtrrs(void);
uint32_t soc_get_variable_mtrr_count(uint64_t *msr);
+#if IS_ENABLED(CONFIG_SOC_SETS_MTRRS)
+msr_t soc_mtrr_read(unsigned long index);
+void soc_mtrr_write(unsigned long index, msr_t msr);
+#else
+#define soc_mtrr_read rdmsr
+#define soc_mtrr_write wrmsr
+#endif /* CONFIG_SOC_SETS_MTRRS */
#endif /* _INTEL_COMMON_UTIL_H_ */