arm-trusted-firmware/include/lib/cpus/aarch64/cortex_x2.h

51 lines
2.1 KiB
C

/*
* 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 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 */