diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index e7e8400fc61f..7e7e647a895c 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -171,7 +171,6 @@
 #define SYS_ID_DFR0_EL1			sys_reg(3, 0, 0, 1, 2)
 #define SYS_ID_DFR1_EL1			sys_reg(3, 0, 0, 3, 5)
 #define SYS_ID_AFR0_EL1			sys_reg(3, 0, 0, 1, 3)
-#define SYS_ID_MMFR2_EL1		sys_reg(3, 0, 0, 1, 6)
 #define SYS_ID_MMFR3_EL1		sys_reg(3, 0, 0, 1, 7)
 #define SYS_ID_MMFR4_EL1		sys_reg(3, 0, 0, 2, 6)
 #define SYS_ID_MMFR5_EL1		sys_reg(3, 0, 0, 3, 6)
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 2f1d0077afed..df8b234eb7e9 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -142,6 +142,47 @@ Enum	3:0	L1HvdVA
 EndEnum
 EndSysreg
 
+Sysreg ID_MMFR2_EL1	3	0	0	1	6
+Res0	63:32
+Enum	31:28	HWAccFlg
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	27:24	WFIStall
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	23:20	MemBarr
+	0b0000	NI
+	0b0001	DSB_ONLY
+	0b0010	IMP
+EndEnum
+Enum	19:16	UniTLB
+	0b0000	NI
+	0b0001	BY_VA
+	0b0010	BY_MATCH_ASID
+	0b0011	BY_ALL_ASID
+	0b0100	OTHER_TLBS
+	0b0101	BROADCAST
+	0b0110	BY_IPA
+EndEnum
+Enum	15:12	HvdTLB
+	0b0000	NI
+EndEnum
+Enum	11:8	L1HvdRng
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	7:4	L1HvdBG
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+Enum	3:0	L1HvdFG
+	0b0000	NI
+	0b0001	IMP
+EndEnum
+EndSysreg
+
 Sysreg	ID_AA64PFR0_EL1	3	0	0	4	0
 Enum	63:60	CSV3
 	0b0000	NI