Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

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

1 files changed, 72 insertions, 0 deletions

diff --git a/include/lib/cpus/aarch64/neoverse_n2.h b/include/lib/cpus/aarch64/neoverse_n2.h
new file mode 100644
index 0000000..b379fab
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_n2.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2020-2023, 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)
+
+/* Neoverse N2 loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_N2_BHB_LOOP_COUNT			U(32)
+
+/*******************************************************************************
+ * 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)
+#define NEOVERSE_N2_CPUECTLR_EL1_PFSTIDIS_BIT		(ULL(1) << 8)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR_EL1			S3_0_C15_C1_0
+#define NEOVERSE_N2_CPUACTLR_EL1_BIT_46			(ULL(1) << 46)
+#define NEOVERSE_N2_CPUACTLR_EL1_BIT_22			(ULL(1) << 22)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 2 specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR2_EL1			S3_0_C15_C1_1
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_0			(ULL(1) << 0)
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_2			(ULL(1) << 2)
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_36		(ULL(1) << 36)
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_40		(ULL(1) << 40)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 3 specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR3_EL1			S3_0_C15_C1_2
+#define NEOVERSE_N2_CPUACTLR3_EL1_BIT_47		(ULL(1) << 47)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 5 specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR5_EL1			S3_0_C15_C8_0
+#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_56		(ULL(1) << 56)
+#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_55		(ULL(1) << 55)
+#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_44		(ULL(1) << 44)
+#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_13		(ULL(1) << 13)
+#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_17		(ULL(1) << 17)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUECTLR2_EL1			S3_0_C15_C1_5
+#define NEOVERSE_N2_CPUECTLR2_EL1_PF_MODE_CNSRV		ULL(9)
+#define CPUECTLR2_EL1_PF_MODE_LSB			U(11)
+#define CPUECTLR2_EL1_PF_MODE_WIDTH			U(4)
+#define CPUECTLR2_EL1_TXREQ_STATIC_FULL 		ULL(0)
+#define CPUECTLR2_EL1_TXREQ_LSB				U(0)
+#define CPUECTLR2_EL1_TXREQ_WIDTH			U(3)
+
+#endif /* NEOVERSE_N2_H */