diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 8845a2e..90d7f68 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -26,6 +26,8 @@
 #include <asm/ptrace.h>
 #include <asm/hyperv-tlfs.h>
 
+#define VTPM_BASE_ADDRESS 0xfed40000
+
 struct ms_hyperv_info {
 	u32 features;
 	u32 priv_high;