1 /*
2  * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CORTEX_A72_H
8 #define CORTEX_A72_H
9 
10 #include <lib/utils_def.h>
11 
12 /* Cortex-A72 midr for revision 0 */
13 #define CORTEX_A72_MIDR 				U(0x410FD080)
14 
15 /* Cortex-A72 loop count for CVE-2022-23960 mitigation */
16 #define CORTEX_A72_BHB_LOOP_COUNT			U(8)
17 
18 /*******************************************************************************
19  * CPU Extended Control register specific definitions.
20  ******************************************************************************/
21 #define CORTEX_A72_ECTLR_EL1				S3_1_C15_C2_1
22 
23 #define CORTEX_A72_ECTLR_SMP_BIT			(ULL(1) << 6)
24 #define CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT		(ULL(1) << 38)
25 #define CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK		(ULL(0x3) << 35)
26 #define CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK		(ULL(0x3) << 32)
27 
28 /*******************************************************************************
29  * CPU Memory Error Syndrome register specific definitions.
30  ******************************************************************************/
31 #define CORTEX_A72_MERRSR_EL1				S3_1_C15_C2_2
32 
33 /*******************************************************************************
34  * CPU Auxiliary Control register specific definitions.
35  ******************************************************************************/
36 #define CORTEX_A72_CPUACTLR_EL1					S3_1_C15_C2_0
37 
38 #define CORTEX_A72_CPUACTLR_EL1_DISABLE_L1_DCACHE_HW_PFTCH	(ULL(1) << 56)
39 #define CORTEX_A72_CPUACTLR_EL1_DIS_LOAD_PASS_STORE		(ULL(1) << 55)
40 #define CORTEX_A72_CPUACTLR_EL1_NO_ALLOC_WBWA			(ULL(1) << 49)
41 #define CORTEX_A72_CPUACTLR_EL1_DCC_AS_DCCI			(ULL(1) << 44)
42 #define CORTEX_A72_CPUACTLR_EL1_DIS_INSTR_PREFETCH		(ULL(1) << 32)
43 
44 /*******************************************************************************
45  *  L2 Auxiliary Control register specific definitions.
46  ******************************************************************************/
47 #define CORTEX_A72_L2ACTLR_EL1					S3_1_C15_C0_0
48 
49 #define CORTEX_A72_L2ACTLR_FORCE_TAG_BANK_CLK_ACTIVE		(ULL(1) << 28)
50 #define CORTEX_A72_L2ACTLR_FORCE_L2_LOGIC_CLK_ACTIVE		(ULL(1) << 27)
51 #define CORTEX_A72_L2ACTLR_FORCE_L2_GIC_TIMER_RCG_CLK_ACTIVE	(ULL(1) << 26)
52 #define CORTEX_A72_L2ACTLR_ENABLE_UNIQUE_CLEAN			(ULL(1) << 14)
53 #define CORTEX_A72_L2ACTLR_DISABLE_DSB_WITH_NO_DVM_SYNC		(ULL(1) << 11)
54 #define CORTEX_A72_L2ACTLR_DISABLE_DVM_CMO_BROADCAST		(ULL(1) << 8)
55 #define CORTEX_A72_L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT		(ULL(1) << 7)
56 #define CORTEX_A72_L2ACTLR_DISABLE_ACE_SH_OR_CHI		(ULL(1) << 6)
57 
58 /*******************************************************************************
59  * L2 Control register specific definitions.
60  ******************************************************************************/
61 #define CORTEX_A72_L2CTLR_EL1				S3_1_C11_C0_2
62 
63 #define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
64 #define CORTEX_A72_L2CTLR_DATA_RAM_SETUP_SHIFT		U(5)
65 #define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
66 #define CORTEX_A72_L2CTLR_TAG_RAM_SETUP_SHIFT		U(9)
67 
68 #define CORTEX_A72_L2_DATA_RAM_LATENCY_MASK		U(0x7)
69 #define CORTEX_A72_L2_TAG_RAM_LATENCY_MASK		U(0x7)
70 #define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
71 #define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES		U(0x1)
72 #define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
73 
74 /*******************************************************************************
75  * L2 Memory Error Syndrome register specific definitions.
76  ******************************************************************************/
77 #define CORTEX_A72_L2MERRSR_EL1				S3_1_C15_C2_3
78 
79 #endif /* CORTEX_A72_H */
80