Add support for Neoverse-N2 CPUs.
Enable basic support for Neoverse-N2 CPUs.
Signed-off-by: Javier Almansa Sobrino <javier.almansasobrino@arm.com>
Change-Id: I498adc2d9fc61ac6e1af8ece131039410872e8ad
diff --git a/include/lib/cpus/aarch64/neoverse_n2.h b/include/lib/cpus/aarch64/neoverse_n2.h
new file mode 100644
index 0000000..7cbd8c1
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_n2.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_N2_H
+#define NEOVERSE_N2_H
+
+/* Neoverse N2 ID register for revision r0p0 */
+#define NEOVERSE_N2_MIDR U(0x410FD490)
+
+/*******************************************************************************
+ * CPU Power control register
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUPWRCTLR_EL1 S3_0_C15_C2_7
+#define NEOVERSE_N2_CORE_PWRDN_EN_BIT (ULL(1) << 0)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUECTLR_EL1 S3_0_C15_C1_4
+#define NEOVERSE_N2_CPUECTLR_EL1_EXTLLC_BIT (ULL(1) << 0)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR2_EL1 S3_0_C15_C1_1
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_2 (ULL(1) << 2)
+
+#endif /* NEOVERSE_N2_H */