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_A57_H
8 #define CORTEX_A57_H
9 
10 #include <lib/utils_def.h>
11 
12 /* Cortex-A57 midr for revision 0 */
13 #define CORTEX_A57_MIDR			U(0x410FD070)
14 
15 /* Retention timer tick definitions */
16 #define RETENTION_ENTRY_TICKS_2		U(0x1)
17 #define RETENTION_ENTRY_TICKS_8		U(0x2)
18 #define RETENTION_ENTRY_TICKS_32	U(0x3)
19 #define RETENTION_ENTRY_TICKS_64	U(0x4)
20 #define RETENTION_ENTRY_TICKS_128	U(0x5)
21 #define RETENTION_ENTRY_TICKS_256	U(0x6)
22 #define RETENTION_ENTRY_TICKS_512	U(0x7)
23 
24 /*******************************************************************************
25  * CPU Extended Control register specific definitions.
26  ******************************************************************************/
27 #define CORTEX_A57_ECTLR			p15, 1, c15
28 
29 #define CORTEX_A57_ECTLR_SMP_BIT		(ULL(1) << 6)
30 #define CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(ULL(1) << 38)
31 #define CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK	(ULL(0x3) << 35)
32 #define CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK	(ULL(0x3) << 32)
33 
34 #define CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT	U(0)
35 #define CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK	(ULL(0x7) << CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT)
36 
37 /*******************************************************************************
38  * CPU Memory Error Syndrome register specific definitions.
39  ******************************************************************************/
40 #define CORTEX_A57_CPUMERRSR			p15, 2, c15
41 
42 /*******************************************************************************
43  * CPU Auxiliary Control register specific definitions.
44  ******************************************************************************/
45 #define CORTEX_A57_CPUACTLR				p15, 0, c15
46 
47 #define CORTEX_A57_CPUACTLR_DIS_LOAD_PASS_DMB		(ULL(1) << 59)
48 #define CORTEX_A57_CPUACTLR_DIS_DMB_NULLIFICATION	(ULL(1) << 58)
49 #define CORTEX_A57_CPUACTLR_DIS_LOAD_PASS_STORE		(ULL(1) << 55)
50 #define CORTEX_A57_CPUACTLR_GRE_NGRE_AS_NGNRE		(ULL(1) << 54)
51 #define CORTEX_A57_CPUACTLR_DIS_OVERREAD		(ULL(1) << 52)
52 #define CORTEX_A57_CPUACTLR_NO_ALLOC_WBWA		(ULL(1) << 49)
53 #define CORTEX_A57_CPUACTLR_DCC_AS_DCCI			(ULL(1) << 44)
54 #define CORTEX_A57_CPUACTLR_FORCE_FPSCR_FLUSH		(ULL(1) << 38)
55 #define CORTEX_A57_CPUACTLR_DIS_INSTR_PREFETCH		(ULL(1) << 32)
56 #define CORTEX_A57_CPUACTLR_DIS_STREAMING		(ULL(3) << 27)
57 #define CORTEX_A57_CPUACTLR_DIS_L1_STREAMING		(ULL(3) << 25)
58 #define CORTEX_A57_CPUACTLR_DIS_INDIRECT_PREDICTOR	(ULL(1) << 4)
59 
60 /*******************************************************************************
61  * L2 Control register specific definitions.
62  ******************************************************************************/
63 #define CORTEX_A57_L2CTLR				p15, 1, c9, c0, 2
64 
65 #define CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
66 #define CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
67 
68 #define CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
69 #define CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
70 
71 /*******************************************************************************
72  * L2 Extended Control register specific definitions.
73  ******************************************************************************/
74 #define CORTEX_A57_L2ECTLR			p15, 1, c9, c0, 3
75 
76 #define CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT	U(0)
77 #define CORTEX_A57_L2ECTLR_RET_CTRL_MASK	(U(0x7) << CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT)
78 
79 /*******************************************************************************
80  * L2 Memory Error Syndrome register specific definitions.
81  ******************************************************************************/
82 #define CORTEX_A57_L2MERRSR			p15, 3, c15
83 
84 #endif /* CORTEX_A57_H */
85