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1 /*
2  * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CORTEX_A55_H
8 #define CORTEX_A55_H
9 
10 #include <lib/utils_def.h>
11 
12 /* Cortex-A55 MIDR for revision 0 */
13 #define CORTEX_A55_MIDR			U(0x410fd050)
14 
15 /*******************************************************************************
16  * CPU Extended Control register specific definitions.
17  ******************************************************************************/
18 #define CORTEX_A55_CPUPWRCTLR_EL1	S3_0_C15_C2_7
19 #define CORTEX_A55_CPUECTLR_EL1		S3_0_C15_C1_4
20 
21 #define CORTEX_A55_CPUECTLR_EL1_L1WSCTL	(ULL(3) << 25)
22 
23 /*******************************************************************************
24  * CPU Auxiliary Control register specific definitions.
25  ******************************************************************************/
26 #define CORTEX_A55_CPUACTLR_EL1				S3_0_C15_C1_0
27 
28 #define CORTEX_A55_CPUACTLR_EL1_DISABLE_WRITE_STREAMING	(ULL(1) << 24)
29 #define CORTEX_A55_CPUACTLR_EL1_DISABLE_DUAL_ISSUE	(ULL(1) << 31)
30 #define CORTEX_A55_CPUACTLR_EL1_DISABLE_L1_PAGEWALKS	(ULL(1) << 49)
31 
32 /*******************************************************************************
33  * CPU Identification register specific definitions.
34  ******************************************************************************/
35 #define CORTEX_A55_CLIDR_EL1				S3_1_C0_C0_1
36 
37 #define CORTEX_A55_CLIDR_EL1_CTYPE3			(ULL(7) << 6)
38 
39 /* Definitions of register field mask in CORTEX_A55_CPUPWRCTLR_EL1 */
40 #define CORTEX_A55_CORE_PWRDN_EN_MASK	U(0x1)
41 
42 /* Instruction patching registers */
43 #define CPUPSELR_EL3	S3_6_C15_C8_0
44 #define CPUPCR_EL3	S3_6_C15_C8_1
45 #define CPUPOR_EL3	S3_6_C15_C8_2
46 #define CPUPMR_EL3	S3_6_C15_C8_3
47 
48 #endif /* CORTEX_A55_H */
49