diff --git a/include/lib/cpus/aarch64/neoverse_hermes.h b/include/lib/cpus/aarch64/neoverse_hermes.h
new file mode 100644
index 0000000..22492c3
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_hermes.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_HERMES_H
+#define NEOVERSE_HERMES_H
+
+#define NEOVERSE_HERMES_MIDR				U(0x410FD8E0)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_HERMES_CPUECTLR_EL1			S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_HERMES_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define NEOVERSE_HERMES_CPUPWRCTLR_EL1_CORE_PWRDN_BIT	U(1)
+
+#endif /* NEOVERSE_HERMES_H */