xref: /arm-trusted-firmware/include/lib/cpus/aarch64/cortex_x1.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2022, Google LLC. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #ifndef CORTEX_X1_H
8*91f16700Schasinglulu #define CORTEX_X1_H
9*91f16700Schasinglulu 
10*91f16700Schasinglulu /* Cortex-X1 MIDR for r1p0 */
11*91f16700Schasinglulu #define CORTEX_X1_MIDR			U(0x411fd440)
12*91f16700Schasinglulu 
13*91f16700Schasinglulu /* Cortex-X1 loop count for CVE-2022-23960 mitigation */
14*91f16700Schasinglulu #define CORTEX_X1_BHB_LOOP_COUNT	U(32)
15*91f16700Schasinglulu 
16*91f16700Schasinglulu /*******************************************************************************
17*91f16700Schasinglulu  * CPU Extended Control register specific definitions.
18*91f16700Schasinglulu  ******************************************************************************/
19*91f16700Schasinglulu #define CORTEX_X1_CPUECTLR_EL1		S3_0_C15_C1_4
20*91f16700Schasinglulu 
21*91f16700Schasinglulu /*******************************************************************************
22*91f16700Schasinglulu  * CPU Auxiliary Control register specific definitions.
23*91f16700Schasinglulu  ******************************************************************************/
24*91f16700Schasinglulu #define CORTEX_X1_ACTLR2_EL1		S3_0_C15_C1_1
25*91f16700Schasinglulu 
26*91f16700Schasinglulu /*******************************************************************************
27*91f16700Schasinglulu  * CPU Power Control register specific definitions
28*91f16700Schasinglulu  ******************************************************************************/
29*91f16700Schasinglulu #define CORTEX_X1_CPUPWRCTLR_EL1	S3_0_C15_C2_7
30*91f16700Schasinglulu #define CORTEX_X1_CORE_PWRDN_EN_MASK	U(0x1)
31*91f16700Schasinglulu 
32*91f16700Schasinglulu #endif /* CORTEX_X1_H */
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