diff --git a/include/lib/cpus/aarch64/cortex_matterhorn.h b/include/lib/cpus/aarch64/cortex_matterhorn.h
new file mode 100644
index 0000000..0185533
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_matterhorn.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2020, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_MATTERHORN_H
+#define CORTEX_MATTERHORN_H
+
+#define CORTEX_MATTERHORN_MIDR					U(0x410FD470)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_MATTERHORN_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_MATTERHORN_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define CORTEX_MATTERHORN_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* CORTEX_MATTERHORN_H */