diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 3c812fd28eca..8db4431093b2 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1688,6 +1688,7 @@ UnsignedEnum	3:0	HAFDBS
 	0b0000	NI
 	0b0001	AF
 	0b0010	DBM
+	0b0011	HAFT
 EndEnum
 EndSysreg