diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 45648fa89be8..90b64697345f 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1663,6 +1663,11 @@ Field	5:3	Ctype2
 Field	2:0	Ctype1
 EndSysreg
 
+Sysreg	CCSIDR2_EL1	3	1	0	0	2
+Res0	63:24
+Field	23:0	NumSets
+EndSysreg
+
 Sysreg	GMID_EL1	3	1	0	0	4
 Res0	63:4
 Field	3:0	BS