mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-17 01:54:22 +00:00
2454316c2a
Cortex-X3 erratum 2070301 is a Cat B erratum that applies to all revisions <= r1p2 and is still open. The workaround is to write the value 4'b1001 to the PF_MODE bits in the IMP_CPUECTLR2_EL1 register. This places the data prefetcher in the most conservative mode instead of disabling it. SDEN documentation: https://developer.arm.com/documentation/2055130/latest Change-Id: I337c4c7bb9221715aaf973a55d0154e1c7555768 Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
50 lines
2.1 KiB
C
50 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2021-2023, Arm Limited. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef CORTEX_X3_H
|
|
#define CORTEX_X3_H
|
|
|
|
#define CORTEX_X3_MIDR U(0x410FD4E0)
|
|
|
|
/* Cortex-X3 loop count for CVE-2022-23960 mitigation */
|
|
#define CORTEX_X3_BHB_LOOP_COUNT U(132)
|
|
|
|
/*******************************************************************************
|
|
* CPU Extended Control register specific definitions
|
|
******************************************************************************/
|
|
#define CORTEX_X3_CPUECTLR_EL1 S3_0_C15_C1_4
|
|
|
|
/*******************************************************************************
|
|
* CPU Power Control register specific definitions
|
|
******************************************************************************/
|
|
#define CORTEX_X3_CPUPWRCTLR_EL1 S3_0_C15_C2_7
|
|
#define CORTEX_X3_CPUPWRCTLR_EL1_CORE_PWRDN_BIT U(1)
|
|
#define CORTEX_X3_CPUPWRCTLR_EL1_WFI_RET_CTRL_BITS_SHIFT U(4)
|
|
#define CORTEX_X3_CPUPWRCTLR_EL1_WFE_RET_CTRL_BITS_SHIFT U(7)
|
|
|
|
/*******************************************************************************
|
|
* CPU Auxiliary Control register 2 specific definitions.
|
|
******************************************************************************/
|
|
#define CORTEX_X3_CPUACTLR2_EL1 S3_0_C15_C1_1
|
|
#define CORTEX_X3_CPUACTLR2_EL1_BIT_36 (ULL(1) << 36)
|
|
|
|
/*******************************************************************************
|
|
* CPU Auxiliary Control register 5 specific definitions.
|
|
******************************************************************************/
|
|
#define CORTEX_X3_CPUACTLR5_EL1 S3_0_C15_C8_0
|
|
#define CORTEX_X3_CPUACTLR5_EL1_BIT_55 (ULL(1) << 55)
|
|
#define CORTEX_X3_CPUACTLR5_EL1_BIT_56 (ULL(1) << 56)
|
|
|
|
/*******************************************************************************
|
|
* CPU Extended Control register 2 specific definitions.
|
|
******************************************************************************/
|
|
#define CORTEX_X3_CPUECTLR2_EL1 S3_0_C15_C1_5
|
|
|
|
#define CORTEX_X3_CPUECTLR2_EL1_PF_MODE_LSB U(11)
|
|
#define CORTEX_X3_CPUECTLR2_EL1_PF_MODE_WIDTH U(4)
|
|
#define CORTEX_X3_CPUECTLR2_EL1_PF_MODE_CNSRV ULL(0x9)
|
|
|
|
#endif /* CORTEX_X3_H */
|