diff --git a/product/neoverse-rd/rdv3r1/scp_ramfw/CMakeLists.txt b/product/neoverse-rd/rdv3r1/scp_ramfw/CMakeLists.txt
index b278c71bdb37a0caa87190bf90cc024dacfabd0e..7d41c6fc74c9f6e7529a970b9d5f8a9a67f2eb86 100644
--- a/product/neoverse-rd/rdv3r1/scp_ramfw/CMakeLists.txt
+++ b/product/neoverse-rd/rdv3r1/scp_ramfw/CMakeLists.txt
@@ -1,6 +1,6 @@
 #
 # Arm SCP/MCP Software
-# Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2025, Arm Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -23,6 +23,7 @@ target_sources(
     PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/config_system_power.c"
             "${CMAKE_CURRENT_SOURCE_DIR}/config_armv7m_mpu.c"
             "${CMAKE_CURRENT_SOURCE_DIR}/config_atu.c"
+            "${CMAKE_CURRENT_SOURCE_DIR}/config_atu_mmio.c"
             "${CMAKE_CURRENT_SOURCE_DIR}/config_power_domain.c"
             "${CMAKE_CURRENT_SOURCE_DIR}/config_ppu_v1.c"
             "${CMAKE_CURRENT_SOURCE_DIR}/config_mhu3.c"
diff --git a/product/neoverse-rd/rdv3r1/scp_ramfw/Firmware.cmake b/product/neoverse-rd/rdv3r1/scp_ramfw/Firmware.cmake
index b9693f2933fa0d9f35ed54d1238440b5f8fd3d5d..6280fb2a564a8d667e5e01d37361096ccf4b2c61 100644
--- a/product/neoverse-rd/rdv3r1/scp_ramfw/Firmware.cmake
+++ b/product/neoverse-rd/rdv3r1/scp_ramfw/Firmware.cmake
@@ -1,6 +1,6 @@
 #
 # Arm SCP/MCP Software
-# Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2025, Arm Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -45,6 +45,7 @@ list(APPEND SCP_MODULES "pl011")
 list(APPEND SCP_MODULES "system-pik")
 list(APPEND SCP_MODULES "sid")
 list(APPEND SCP_MODULES "atu")
+list(APPEND SCP_MODULES "atu-mmio")
 list(APPEND SCP_MODULES "ppu-v1")
 list(APPEND SCP_MODULES "system-power")
 list(APPEND SCP_MODULES "power-domain")
diff --git a/product/neoverse-rd/rdv3r1/scp_ramfw/config_atu_mmio.c b/product/neoverse-rd/rdv3r1/scp_ramfw/config_atu_mmio.c
new file mode 100644
index 0000000000000000000000000000000000000000..a7e80ea2ed59dc6ab6700125d19f040d364e26a2
--- /dev/null
+++ b/product/neoverse-rd/rdv3r1/scp_ramfw/config_atu_mmio.c
@@ -0,0 +1,31 @@
+/*
+ * Arm SCP/MCP Software
+ * Copyright (c) 2025, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Description:
+ *     Configuration data for module 'atu_mmio'.
+ */
+
+#include "scp_atw0_mmap.h"
+#include "scp_css_mmap.h"
+
+#include <mod_atu.h>
+#include <mod_atu_mmio.h>
+
+#include <fwk_id.h>
+#include <fwk_macros.h>
+#include <fwk_module.h>
+#include <fwk_module_idx.h>
+
+static struct mod_atu_mmio_config atu_mmio_module_config = {
+    .window_address = SCP_ATW0_ATU_MMIO_BASE,
+    .map_size = SCP_ATW0_ATU_MMIO_SIZE,
+    .atu_id = FWK_ID_ELEMENT(FWK_MODULE_IDX_ATU, 0),
+    .atu_api_id = FWK_ID_API(FWK_MODULE_IDX_ATU, MOD_ATU_API_IDX_ATU),
+};
+
+struct fwk_module_config config_atu_mmio = {
+    .data = &atu_mmio_module_config,
+};
diff --git a/product/neoverse-rd/rdv3r1/scp_ramfw/include/scp_atw0_mmap.h b/product/neoverse-rd/rdv3r1/scp_ramfw/include/scp_atw0_mmap.h
index 7ad842f0ab6fe283d158f4bfc520f4333141773a..2eca80a0b1127c5aadffad0c19b0d100a9b5fe76 100644
--- a/product/neoverse-rd/rdv3r1/scp_ramfw/include/scp_atw0_mmap.h
+++ b/product/neoverse-rd/rdv3r1/scp_ramfw/include/scp_atw0_mmap.h
@@ -1,6 +1,6 @@
 /*
  * Arm SCP/MCP Software
- * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2025, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -28,6 +28,10 @@
  *   |                                        |
  *   +----------------------------------------+
  *   |                                        |
+ *   | MMIO region mapped by ATU (1MB)        |
+ *   |                                        |
+ *   +----------------------------------------+ SCP_ATW0_ATU_MMIO_BASE
+ *   |                                        |
  *   | Peripheral SRAM (1MB)                  |
  *   |                                        |
  *   +----------------------------------------+ SCP_ATW0_AP_PERIPHERAL_SRAM_BASE
@@ -100,4 +104,9 @@
     (SCP_ATW0_CU_LCP_PERIPH_REGION_BASE + SCP_ATW0_CU_LCP_PERIPH_REGION_SIZE)
 #define SCP_ATW0_AP_PERIPHERAL_SRAM_SIZE (1 * FWK_MIB)
 
+/* Logical address to access MMIO region mapped by ATU */
+#define SCP_ATW0_ATU_MMIO_BASE \
+    (SCP_ATW0_AP_PERIPHERAL_SRAM_BASE + SCP_ATW0_AP_PERIPHERAL_SRAM_SIZE)
+#define SCP_ATW0_ATU_MMIO_SIZE (1 * FWK_MIB)
+
 #endif /* SCP_ATW0_MMAP_H */