diff --git a/docs/plat/arm/arm-build-options.rst b/docs/plat/arm/arm-build-options.rst
index 68eb3ecd6..dda2aa0a9 100644
--- a/docs/plat/arm/arm-build-options.rst
+++ b/docs/plat/arm/arm-build-options.rst
@@ -101,6 +101,9 @@ Arm Platform Build Options
    the Arm Juno platform has this included in its ``HW_CONFIG`` and the platform
    only loads the ``HW_CONFIG`` in AArch64 builds. Default is 0.
 
+-  ``ARM_ETHOSN_NPU_TZMP1``: boolean option to enable TZMP1 support for the
+   Arm® Ethos™-N NPU. Requires ``ARM_ETHOSN_NPU_DRIVER`` to be enabled.
+
 -  ``ARM_SPMC_MANIFEST_DTS`` : path to an alternate manifest file used as the
    SPMC Core manifest. Valid when ``SPD=spmd`` is selected.
 
@@ -165,4 +168,4 @@ Arm CSS Platform-Specific Build Options
 
 .. |FIP in a GPT image| image:: ../../resources/diagrams/FIP_in_a_GPT_image.png
 
-*Copyright (c) 2019-2021, Arm Limited. All rights reserved.*
+*Copyright (c) 2019-2023, Arm Limited. All rights reserved.*
diff --git a/plat/arm/board/juno/juno_security.c b/plat/arm/board/juno/juno_security.c
index 654a7f165..a0fd36ce7 100644
--- a/plat/arm/board/juno/juno_security.c
+++ b/plat/arm/board/juno/juno_security.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2023, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -78,6 +78,18 @@ static void init_v550(void)
 
 #endif /* JUNO_TZMP1 */
 
+#ifdef JUNO_ETHOSN_TZMP1
+/*
+ * Currently use the default regions defined in ARM_TZC_REGIONS_DEF.
+ * See the definition in /include/plat/arm/common/plat_arm.h
+ */
+static const arm_tzc_regions_info_t juno_ethosn_tzmp1_tzc_regions[] = {
+	ARM_TZC_REGIONS_DEF, /* See define in /include/plat/arm/common/plat_arm.h */
+	{},
+};
+
+#endif /* JUNO_ETHOSN_TZMP1 */
+
 /*******************************************************************************
  * Set up the MMU-401 SSD tables. The power-on configuration has all stream IDs
  * assigned to Non-Secure except some for the DMA-330. Assign those back to the
@@ -140,6 +152,9 @@ void plat_arm_security_setup(void)
 	     (void *)JUNO_AP_TZC_SHARE_DRAM1_BASE);
 	INFO("TZC protected shared memory end address for TZMP usecase: %p\n",
 	     (void *)JUNO_AP_TZC_SHARE_DRAM1_END);
+#elif defined(JUNO_ETHOSN_TZMP1)
+	arm_tzc400_setup(PLAT_ARM_TZC_BASE, juno_ethosn_tzmp1_tzc_regions);
+	INFO("TZC set up with default settings for NPU TZMP usecase\n");
 #else
 	arm_tzc400_setup(PLAT_ARM_TZC_BASE, NULL);
 #endif
diff --git a/plat/arm/board/juno/platform.mk b/plat/arm/board/juno/platform.mk
index 2c84eb34d..d99b16c82 100644
--- a/plat/arm/board/juno/platform.mk
+++ b/plat/arm/board/juno/platform.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2013-2023, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -43,7 +43,11 @@ $(eval $(call add_define,JUNO_AARCH32_EL3_RUNTIME))
 JUNO_TZMP1		:=	0
 $(eval $(call assert_boolean,JUNO_TZMP1))
 ifeq (${JUNO_TZMP1}, 1)
-$(eval $(call add_define,JUNO_TZMP1))
+  ifeq (${ARM_ETHOSN_NPU_TZMP1},1)
+    $(error JUNO_TZMP1 cannot be used together with ARM_ETHOSN_NPU_TZMP1)
+  else
+    $(eval $(call add_define,JUNO_TZMP1))
+  endif
 endif
 
 TRNG_SUPPORT		:=	1
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index de2c4f830..dc875e526 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -119,6 +119,21 @@ ARM_ETHOSN_NPU_DRIVER			:=	0
 $(eval $(call assert_boolean,ARM_ETHOSN_NPU_DRIVER))
 $(eval $(call add_define,ARM_ETHOSN_NPU_DRIVER))
 
+# Arm(R) Ethos(TM)-N NPU TZMP1
+ARM_ETHOSN_NPU_TZMP1			:=	0
+$(eval $(call assert_boolean,ARM_ETHOSN_NPU_TZMP1))
+$(eval $(call add_define,ARM_ETHOSN_NPU_TZMP1))
+ifeq (${ARM_ETHOSN_NPU_TZMP1},1)
+  ifeq (${ARM_ETHOSN_NPU_DRIVER},0)
+    $(error ARM_ETHOSN_NPU_TZMP1 is only available if ARM_ETHOSN_NPU_DRIVER=1)
+  endif
+  ifeq (${PLAT},juno)
+    $(eval $(call add_define,JUNO_ETHOSN_TZMP1))
+  else
+    $(error ARM_ETHOSN_NPU_TZMP1 only supported on Juno platform, not ${PLAT})
+  endif
+endif
+
 # Use an implementation of SHA-256 with a smaller memory footprint but reduced
 # speed.
 $(eval $(call add_define,MBEDTLS_SHA256_SMALLER))