1 /* 2 * Copyright (c) 2021-2024, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef CORTEX_X3_H 8 #define CORTEX_X3_H 9 10 #define CORTEX_X3_MIDR U(0x410FD4E0) 11 12 /* Cortex-X3 loop count for CVE-2022-23960 mitigation */ 13 #define CORTEX_X3_BHB_LOOP_COUNT U(132) 14 15 /******************************************************************************* 16 * CPU Extended Control register specific definitions 17 ******************************************************************************/ 18 #define CORTEX_X3_CPUECTLR_EL1 S3_0_C15_C1_4 19 20 /******************************************************************************* 21 * CPU Power Control register specific definitions 22 ******************************************************************************/ 23 #define CORTEX_X3_CPUPWRCTLR_EL1 S3_0_C15_C2_7 24 #define CORTEX_X3_CPUPWRCTLR_EL1_CORE_PWRDN_BIT U(1) 25 #define CORTEX_X3_CPUPWRCTLR_EL1_WFI_RET_CTRL_BITS_SHIFT U(4) 26 #define CORTEX_X3_CPUPWRCTLR_EL1_WFE_RET_CTRL_BITS_SHIFT U(7) 27 28 /******************************************************************************* 29 * CPU Auxiliary Control register specific definitions. 30 ******************************************************************************/ 31 #define CORTEX_X3_CPUACTLR_EL1 S3_0_C15_C1_0 32 33 /******************************************************************************* 34 * CPU Auxiliary Control register 2 specific definitions. 35 ******************************************************************************/ 36 #define CORTEX_X3_CPUACTLR2_EL1 S3_0_C15_C1_1 37 #define CORTEX_X3_CPUACTLR2_EL1_BIT_36 (ULL(1) << 36) 38 39 /******************************************************************************* 40 * CPU Auxiliary Control register 5 specific definitions. 41 ******************************************************************************/ 42 #define CORTEX_X3_CPUACTLR5_EL1 S3_0_C15_C8_0 43 #define CORTEX_X3_CPUACTLR5_EL1_BIT_55 (ULL(1) << 55) 44 #define CORTEX_X3_CPUACTLR5_EL1_BIT_56 (ULL(1) << 56) 45 46 /******************************************************************************* 47 * CPU Auxiliary Control register 6 specific definitions. 48 ******************************************************************************/ 49 #define CORTEX_X3_CPUACTLR6_EL1 S3_0_C15_C8_1 50 51 /******************************************************************************* 52 * CPU Extended Control register 2 specific definitions. 53 ******************************************************************************/ 54 #define CORTEX_X3_CPUECTLR2_EL1 S3_0_C15_C1_5 55 56 #define CORTEX_X3_CPUECTLR2_EL1_PF_MODE_LSB U(11) 57 #define CORTEX_X3_CPUECTLR2_EL1_PF_MODE_WIDTH U(4) 58 #define CORTEX_X3_CPUECTLR2_EL1_PF_MODE_CNSRV ULL(0x9) 59 60 /******************************************************************************* 61 * CPU Auxiliary Control register 3 specific definitions. 62 ******************************************************************************/ 63 #define CORTEX_X3_CPUACTLR3_EL1 S3_0_C15_C1_2 64 #define CORTEX_X3_CPUACTLR3_EL1_BIT_47 (ULL(1) << 47) 65 66 #endif /* CORTEX_X3_H */ 67