diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index 5dbcd0a..698fad4 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -275,6 +275,9 @@
 /* ID_AA64ISAR2_EL1 definitions */
 #define ID_AA64ISAR2_EL1		S3_0_C0_C6_2
 
+/* ID_AA64PFR2_EL1 definitions */
+#define ID_AA64PFR2_EL1			S3_0_C0_C4_2
+
 #define ID_AA64ISAR2_GPA3_SHIFT		U(8)
 #define ID_AA64ISAR2_GPA3_MASK		ULL(0xf)
 
@@ -402,6 +405,16 @@
 #define ID_AA64PFR1_EL1_RNG_TRAP_SUPPORTED	ULL(0x1)
 #define ID_AA64PFR1_EL1_RNG_TRAP_NOT_SUPPORTED	ULL(0x0)
 
+/* ID_AA64PFR2_EL1 definitions */
+#define ID_AA64PFR2_EL1_MTEPERM_SHIFT		U(0)
+#define ID_AA64PFR2_EL1_MTEPERM_MASK		ULL(0xf)
+
+#define ID_AA64PFR2_EL1_MTESTOREONLY_SHIFT	U(4)
+#define ID_AA64PFR2_EL1_MTESTOREONLY_MASK	ULL(0xf)
+
+#define ID_AA64PFR2_EL1_MTEFAR_SHIFT		U(8)
+#define ID_AA64PFR2_EL1_MTEFAR_MASK		ULL(0xf)
+
 #define VDISR_EL2				S3_4_C12_C1_1
 #define VSESR_EL2				S3_4_C5_C2_3
 
diff --git a/include/arch/aarch64/arch_features.h b/include/arch/aarch64/arch_features.h
index 9d71987..9f11f15 100644
--- a/include/arch/aarch64/arch_features.h
+++ b/include/arch/aarch64/arch_features.h
@@ -148,6 +148,11 @@
 	return ISOLATE_FIELD(read_id_aa64mmfr0_el1(), ID_AA64MMFR0_EL1_FGT);
 }
 
+static unsigned int read_feat_mte_perm_id_field(void)
+{
+	return ISOLATE_FIELD(read_id_aa64pfr2_el1(), ID_AA64PFR2_EL1_MTEPERM);
+}
+
 static inline bool is_feat_fgt_supported(void)
 {
 	if (ENABLE_FEAT_FGT == FEAT_STATE_DISABLED) {
@@ -161,6 +166,19 @@
 	return read_feat_fgt_id_field() != 0U;
 }
 
+static inline bool is_feat_mte_perm_supported(void)
+{
+	if (ENABLE_FEAT_MTE_PERM == FEAT_STATE_DISABLED) {
+		return false;
+	}
+
+	if (ENABLE_FEAT_MTE_PERM == FEAT_STATE_ALWAYS) {
+		return true;
+	}
+
+	return read_feat_mte_perm_id_field() != 0U;
+}
+
 static unsigned int read_feat_ecv_id_field(void)
 {
 	return ISOLATE_FIELD(read_id_aa64mmfr0_el1(), ID_AA64MMFR0_EL1_ECV);
diff --git a/include/arch/aarch64/arch_helpers.h b/include/arch/aarch64/arch_helpers.h
index 5b3d4c2..3121079 100644
--- a/include/arch/aarch64/arch_helpers.h
+++ b/include/arch/aarch64/arch_helpers.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2022, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -269,6 +269,7 @@
 DEFINE_RENAME_IDREG_READ_FUNC(id_aa64isar2_el1, ID_AA64ISAR2_EL1)
 DEFINE_IDREG_READ_FUNC(id_aa64pfr0_el1)
 DEFINE_IDREG_READ_FUNC(id_aa64pfr1_el1)
+DEFINE_RENAME_IDREG_READ_FUNC(id_aa64pfr2_el1, ID_AA64PFR2_EL1)
 DEFINE_IDREG_READ_FUNC(id_aa64dfr0_el1)
 DEFINE_IDREG_READ_FUNC(id_afr0_el1)
 DEFINE_SYSREG_READ_FUNC(CurrentEl)