feat(cpu): add library support for Hunter ELP
Add basic CPU library code to support the Hunter ELP CPU in TF-A.
Hunter-ELP adds v9.2 architecture support and is derived from
Makalu-ELP. As such, the library code is adapted from the
Makalu-ELP support library.
Change-Id: I7e93b9af6b1f0bc4d08c3cf5caf071d2cbdbc89f
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h b/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h
new file mode 100644
index 0000000..f9bb0f3
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_HUNTER_ELP_ARM_H
+#define CORTEX_HUNTER_ELP_ARM_H
+
+#define CORTEX_HUNTER_ELP_ARM_MIDR U(0x410FD821)
+
+/* Cortex Hunter ELP loop count for CVE-2022-23960 mitigation */
+#define CORTEX_HUNTER_ELP_ARM_BHB_LOOP_COUNT U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HUNTER_ELP_ARM_CPUECTLR_EL1 S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1 S3_0_C15_C2_7
+#define CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1_CORE_PWRDN_BIT U(1)
+
+#endif /* CORTEX_HUNTER_ELP_ARM_H */