Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/include/lib/cpus/aarch64/cortex_x2.h b/include/lib/cpus/aarch64/cortex_x2.h
new file mode 100644
index 0000000..863b8c8
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_x2.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_X2_H
+#define CORTEX_X2_H
+
+#define CORTEX_X2_MIDR						U(0x410FD480)
+
+/* Cortex-X2 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_X2_BHB_LOOP_COUNT       				U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUECTLR_EL1					S3_0_C15_C1_4
+#define CORTEX_X2_CPUECTLR_EL1_PFSTIDIS_BIT			(ULL(1) << 8)
+
+/*******************************************************************************
+ * CPU Extended Control register 2 specific definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUECTLR2_EL1					S3_0_C15_C1_5
+
+#define CORTEX_X2_CPUECTLR2_EL1_PF_MODE_SHIFT			U(11)
+#define CORTEX_X2_CPUECTLR2_EL1_PF_MODE_WIDTH			U(4)
+#define CORTEX_X2_CPUECTLR2_EL1_PF_MODE_CNSRV			ULL(0x9)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_X2_CPUPWRCTLR_EL1_CORE_PWRDN_BIT			U(1)
+
+/*******************************************************************************
+ * CPU Auxiliary Control Register definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUACTLR_EL1					S3_0_C15_C1_0
+#define CORTEX_X2_CPUACTLR_EL1_BIT_22				(ULL(1) << 22)
+
+/*******************************************************************************
+ * CPU Auxiliary Control Register 2 definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUACTLR2_EL1					S3_0_C15_C1_1
+#define CORTEX_X2_CPUACTLR2_EL1_BIT_40				(ULL(1) << 40)
+
+/*******************************************************************************
+ * CPU Auxiliary Control Register 5 definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUACTLR5_EL1					S3_0_C15_C8_0
+#define CORTEX_X2_CPUACTLR5_EL1_BIT_17				(ULL(1) << 17)
+
+/*******************************************************************************
+ * CPU Implementation Specific Selected Instruction registers
+ ******************************************************************************/
+#define CORTEX_X2_IMP_CPUPSELR_EL3				S3_6_C15_C8_0
+#define CORTEX_X2_IMP_CPUPCR_EL3				S3_6_C15_C8_1
+#define CORTEX_X2_IMP_CPUPOR_EL3				S3_6_C15_C8_2
+#define CORTEX_X2_IMP_CPUPMR_EL3				S3_6_C15_C8_3
+
+#endif /* CORTEX_X2_H */