diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 9c33e1d..7a70d21 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -36,6 +36,23 @@
 /*******************************************************************************
  * CHIP ID
  ******************************************************************************/
+#if STM32MP13
+#define STM32MP1_CHIP_ID	U(0x501)
+
+#define STM32MP135C_PART_NB	U(0x05010000)
+#define STM32MP135A_PART_NB	U(0x05010001)
+#define STM32MP133C_PART_NB	U(0x050100C0)
+#define STM32MP133A_PART_NB	U(0x050100C1)
+#define STM32MP131C_PART_NB	U(0x050106C8)
+#define STM32MP131A_PART_NB	U(0x050106C9)
+#define STM32MP135F_PART_NB	U(0x05010800)
+#define STM32MP135D_PART_NB	U(0x05010801)
+#define STM32MP133F_PART_NB	U(0x050108C0)
+#define STM32MP133D_PART_NB	U(0x050108C1)
+#define STM32MP131F_PART_NB	U(0x05010EC8)
+#define STM32MP131D_PART_NB	U(0x05010EC9)
+#endif
+#if STM32MP15
 #define STM32MP1_CHIP_ID	U(0x500)
 
 #define STM32MP157C_PART_NB	U(0x05000000)
@@ -50,6 +67,7 @@
 #define STM32MP153D_PART_NB	U(0x050000A5)
 #define STM32MP151F_PART_NB	U(0x050000AE)
 #define STM32MP151D_PART_NB	U(0x050000AF)
+#endif
 
 #define STM32MP1_REV_B		U(0x2000)
 #if STM32MP13
@@ -62,10 +80,12 @@
 /*******************************************************************************
  * PACKAGE ID
  ******************************************************************************/
+#if STM32MP15
 #define PKG_AA_LFBGA448		U(4)
 #define PKG_AB_LFBGA354		U(3)
 #define PKG_AC_TFBGA361		U(2)
 #define PKG_AD_TFBGA257		U(1)
+#endif
 
 /*******************************************************************************
  * STM32MP1 memory map related constants
@@ -370,7 +390,9 @@
 /* OTP labels */
 #define CFG0_OTP			"cfg0_otp"
 #define PART_NUMBER_OTP			"part_number_otp"
+#if STM32MP15
 #define PACKAGE_OTP			"package_otp"
+#endif
 #define HW2_OTP				"hw2_otp"
 #define NAND_OTP			"nand_otp"
 #define MONOTONIC_OTP			"monotonic_otp"
@@ -382,12 +404,19 @@
 #define CFG0_CLOSED_DEVICE		BIT(6)
 
 /* PART NUMBER */
+#if STM32MP13
+#define PART_NUMBER_OTP_PART_MASK	GENMASK_32(11, 0)
+#endif
+#if STM32MP15
 #define PART_NUMBER_OTP_PART_MASK	GENMASK_32(7, 0)
+#endif
 #define PART_NUMBER_OTP_PART_SHIFT	0
 
 /* PACKAGE */
+#if STM32MP15
 #define PACKAGE_OTP_PKG_MASK		GENMASK_32(29, 27)
 #define PACKAGE_OTP_PKG_SHIFT		27
+#endif
 
 /* IWDG OTP */
 #define HW2_OTP_IWDG_HW_POS		U(3)
diff --git a/plat/st/stm32mp1/stm32mp1_private.c b/plat/st/stm32mp1/stm32mp1_private.c
index f1f7e37..62db2e6 100644
--- a/plat/st/stm32mp1/stm32mp1_private.c
+++ b/plat/st/stm32mp1/stm32mp1_private.c
@@ -319,6 +319,7 @@
 	return part_number;
 }
 
+#if STM32MP15
 static uint32_t get_cpu_package(void)
 {
 	uint32_t package;
@@ -332,6 +333,7 @@
 
 	return package;
 }
+#endif
 
 void stm32mp_get_soc_name(char name[STM32_SOC_NAME_SIZE])
 {
@@ -339,6 +341,45 @@
 
 	/* MPUs Part Numbers */
 	switch (get_part_number()) {
+#if STM32MP13
+	case STM32MP135F_PART_NB:
+		cpu_s = "135F";
+		break;
+	case STM32MP135D_PART_NB:
+		cpu_s = "135D";
+		break;
+	case STM32MP135C_PART_NB:
+		cpu_s = "135C";
+		break;
+	case STM32MP135A_PART_NB:
+		cpu_s = "135A";
+		break;
+	case STM32MP133F_PART_NB:
+		cpu_s = "133F";
+		break;
+	case STM32MP133D_PART_NB:
+		cpu_s = "133D";
+		break;
+	case STM32MP133C_PART_NB:
+		cpu_s = "133C";
+		break;
+	case STM32MP133A_PART_NB:
+		cpu_s = "133A";
+		break;
+	case STM32MP131F_PART_NB:
+		cpu_s = "131F";
+		break;
+	case STM32MP131D_PART_NB:
+		cpu_s = "131D";
+		break;
+	case STM32MP131C_PART_NB:
+		cpu_s = "131C";
+		break;
+	case STM32MP131A_PART_NB:
+		cpu_s = "131A";
+		break;
+#endif
+#if STM32MP15
 	case STM32MP157C_PART_NB:
 		cpu_s = "157C";
 		break;
@@ -375,12 +416,18 @@
 	case STM32MP151D_PART_NB:
 		cpu_s = "151D";
 		break;
+#endif
 	default:
 		cpu_s = "????";
 		break;
 	}
 
 	/* Package */
+#if STM32MP13
+	/* On STM32MP13, package is not present in OTP */
+	pkg = "";
+#endif
+#if STM32MP15
 	switch (get_cpu_package()) {
 	case PKG_AA_LFBGA448:
 		pkg = "AA";
@@ -398,6 +445,7 @@
 		pkg = "??";
 		break;
 	}
+#endif
 
 	/* REVISION */
 	switch (stm32mp_get_chip_version()) {
@@ -488,12 +536,22 @@
 	bool supported = false;
 
 	switch (get_part_number()) {
+#if STM32MP13
+	case STM32MP131C_PART_NB:
+	case STM32MP131F_PART_NB:
+	case STM32MP133C_PART_NB:
+	case STM32MP133F_PART_NB:
+	case STM32MP135C_PART_NB:
+	case STM32MP135F_PART_NB:
+#endif
+#if STM32MP15
 	case STM32MP151C_PART_NB:
 	case STM32MP151F_PART_NB:
 	case STM32MP153C_PART_NB:
 	case STM32MP153F_PART_NB:
 	case STM32MP157C_PART_NB:
 	case STM32MP157F_PART_NB:
+#endif
 		supported = true;
 		break;
 	default: