diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index dd4559f..6fde3b5 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -431,7 +431,17 @@
 
 /* OTP mask */
 /* CFG0 */
+#if STM32MP13
+#define CFG0_OTP_MODE_MASK		GENMASK_32(9, 0)
+#define CFG0_OTP_MODE_SHIFT		0
+#define CFG0_OPEN_DEVICE		0x17U
+#define CFG0_CLOSED_DEVICE		0x3FU
+#define CFG0_CLOSED_DEVICE_NO_BOUNDARY_SCAN	0x17FU
+#define CFG0_CLOSED_DEVICE_NO_JTAG	0x3FFU
+#endif
+#if STM32MP15
 #define CFG0_CLOSED_DEVICE		BIT(6)
+#endif
 
 /* PART NUMBER */
 #if STM32MP13