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 #define CORTEX_A72_CPUACTLR_EL1_DELAY_EXCLUSIVE_SNOOP		(ULL(1) << 31)
44 
45 /*******************************************************************************
46  *  L2 Auxiliary Control register specific definitions.
47  ******************************************************************************/
48 #define CORTEX_A72_L2ACTLR_EL1					S3_1_C15_C0_0
49 
50 #define CORTEX_A72_L2ACTLR_FORCE_TAG_BANK_CLK_ACTIVE		(ULL(1) << 28)
51 #define CORTEX_A72_L2ACTLR_FORCE_L2_LOGIC_CLK_ACTIVE		(ULL(1) << 27)
52 #define CORTEX_A72_L2ACTLR_FORCE_L2_GIC_TIMER_RCG_CLK_ACTIVE	(ULL(1) << 26)
53 #define CORTEX_A72_L2ACTLR_ENABLE_UNIQUE_CLEAN			(ULL(1) << 14)
54 #define CORTEX_A72_L2ACTLR_DISABLE_DSB_WITH_NO_DVM_SYNC		(ULL(1) << 11)
55 #define CORTEX_A72_L2ACTLR_DISABLE_DVM_CMO_BROADCAST		(ULL(1) << 8)
56 #define CORTEX_A72_L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT		(ULL(1) << 7)
57 #define CORTEX_A72_L2ACTLR_DISABLE_ACE_SH_OR_CHI		(ULL(1) << 6)
58 
59 /*******************************************************************************
60  * L2 Control register specific definitions.
61  ******************************************************************************/
62 #define CORTEX_A72_L2CTLR_EL1				S3_1_C11_C0_2
63 
64 #define CORTEX_A72_L2CTLR_EL1_ECC_AND_PARITY_ENABLE	(ULL(1) << 21)
65 #define CORTEX_A72_L2CTLR_EL1_DATA_INLINE_ECC_ENABLE	(ULL(1) << 20)
66 
67 #define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
68 #define CORTEX_A72_L2CTLR_DATA_RAM_SETUP_SHIFT		U(5)
69 #define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
70 #define CORTEX_A72_L2CTLR_TAG_RAM_SETUP_SHIFT		U(9)
71 
72 #define CORTEX_A72_L2_DATA_RAM_LATENCY_MASK		U(0x7)
73 #define CORTEX_A72_L2_TAG_RAM_LATENCY_MASK		U(0x7)
74 #define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
75 #define CORTEX_A72_L2_DATA_RAM_LATENCY_4_CYCLES		U(0x3)
76 #define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES		U(0x1)
77 #define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
78 
79 /*******************************************************************************
80  * L2 Memory Error Syndrome register specific definitions.
81  ******************************************************************************/
82 #define CORTEX_A72_L2MERRSR_EL1				S3_1_C15_C2_3
83 
84 #endif /* CORTEX_A72_H */
85