blob: 5d41a139efd14c52c4d976c9481bcbcd22f682fd [file] [log] [blame]
/*
* Copyright (c) 2020-2022, 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_2 (ULL(1) << 2)
#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_40 (ULL(1) << 40)
/*******************************************************************************
* CPU Auxiliary Control register 5 specific definitions.
******************************************************************************/
#define NEOVERSE_N2_CPUACTLR5_EL1 S3_0_C15_C8_0
#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)
#endif /* NEOVERSE_N2_H */