include/lib/cpus/aarch64/neoverse_n1.h

/*
 * Copyright (c) 2017-2022, Arm Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef NEOVERSE_N1_H
#define NEOVERSE_N1_H

#include <lib/utils_def.h>

/* Neoverse N1 MIDR for revision 0 */
#define NEOVERSE_N1_MIDR				U(0x410fd0c0)

/* Neoverse N1 loop count for CVE-2022-23960 mitigation */
#define NEOVERSE_N1_BHB_LOOP_COUNT			U(24)

/* Exception Syndrome register EC code for IC Trap */
#define NEOVERSE_N1_EC_IC_TRAP				U(0x1f)

/*******************************************************************************
 * CPU Power Control register specific definitions.
 ******************************************************************************/
#define NEOVERSE_N1_CPUPWRCTLR_EL1			S3_0_C15_C2_7

/* Definitions of register field mask in NEOVERSE_N1_CPUPWRCTLR_EL1 */
#define NEOVERSE_N1_CORE_PWRDN_EN_MASK			U(0x1)

#define NEOVERSE_N1_ACTLR_AMEN_BIT			(U(1) << 4)

#define NEOVERSE_N1_AMU_NR_COUNTERS			U(5)
#define NEOVERSE_N1_AMU_GROUP0_MASK			U(0x1f)

/*******************************************************************************
 * CPU Extended Control register specific definitions.
 ******************************************************************************/
#define NEOVERSE_N1_CPUECTLR_EL1			S3_0_C15_C1_4

#define NEOVERSE_N1_WS_THR_L2_MASK			(ULL(3) << 24)
#define NEOVERSE_N1_CPUECTLR_EL1_MM_TLBPF_DIS_BIT	(ULL(1) << 51)
#define NEOVERSE_N1_CPUECTLR_EL1_EXTLLC_BIT		(ULL(1) << 0)

/*******************************************************************************
 * CPU Auxiliary Control register specific definitions.
 ******************************************************************************/
#define NEOVERSE_N1_CPUACTLR_EL1			S3_0_C15_C1_0

#define NEOVERSE_N1_CPUACTLR_EL1_BIT_6			(ULL(1) << 6)
#define NEOVERSE_N1_CPUACTLR_EL1_BIT_13			(ULL(1) << 13)

#define NEOVERSE_N1_CPUACTLR2_EL1			S3_0_C15_C1_1

#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_0			(ULL(1) << 0)
#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_2			(ULL(1) << 2)
#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_11		(ULL(1) << 11)
#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_15		(ULL(1) << 15)
#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_16		(ULL(1) << 16)
#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_59		(ULL(1) << 59)

#define NEOVERSE_N1_CPUACTLR3_EL1			S3_0_C15_C1_2

#define NEOVERSE_N1_CPUACTLR3_EL1_BIT_10		(ULL(1) << 10)

/* Instruction patching registers */
#define CPUPSELR_EL3					S3_6_C15_C8_0
#define CPUPCR_EL3					S3_6_C15_C8_1
#define CPUPOR_EL3					S3_6_C15_C8_2
#define CPUPMR_EL3					S3_6_C15_C8_3

#endif /* NEOVERSE_N1_H */