diff --git a/include/drivers/cadence/cdns_nand.h b/include/drivers/cadence/cdns_nand.h
index 64ba267..f20627b 100644
--- a/include/drivers/cadence/cdns_nand.h
+++ b/include/drivers/cadence/cdns_nand.h
@@ -198,6 +198,7 @@
 #define CNF_OPR_WORK_MODE_RES				3
 
 /* Mini controller common settings register field offsets */
+#define CNF_CMN_SETTINGS_OPR_MASK			0x00000003
 #define CNF_CMN_SETTINGS_WR_WUP				20
 #define CNF_CMN_SETTINGS_RD_WUP				16
 #define CNF_CMN_SETTINGS_DEV16				8