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review.trustedfirmware.org / sandbox / arthur / trustedfirmware-a / 50de88678f82d7b4673fb85bc12b46bfa5343daf / . / lib / cpus / errata_common.c
blob: 0530647a31e7041129fbea250bd428c2c9b8cf7d [file] [log] [blame]
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]1/*
Govindraj Raja7455cd12025-01-29 15:01:10 -0600[diff] [blame]2 * Copyright (c) 2024-2025, Arm Limited and Contributors. All rights reserved.
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7/* Runtime C routines for errata workarounds and common routines */
8
9#include <arch.h>
10#include <arch_helpers.h>
Govindraj Raja7455cd12025-01-29 15:01:10 -0600[diff] [blame]11#include <cortex_a75.h>
John Powellf2bd3522025-02-19 16:39:30 -0600[diff] [blame]12#include <cortex_a510.h>
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]13#include <cortex_a520.h>
Govindraj Raja463b5b42025-01-21 12:32:14 -0600[diff] [blame]14#include <cortex_a710.h>
Govindraj Raja26437af2025-01-21 17:00:11 -0600[diff] [blame]15#include <cortex_a715.h>
Govindraj Raja050c4a32025-01-21 17:12:33 -0600[diff] [blame]16#include <cortex_a720.h>
Govindraj Rajaaf5ae9a2025-01-21 17:23:26 -0600[diff] [blame]17#include <cortex_a720_ae.h>
Govindraj Rajad7323002025-01-21 17:44:17 -0600[diff] [blame]18#include <cortex_a725.h>
Govindraj Rajaae6c7c92025-01-21 18:02:51 -0600[diff] [blame]19#include <cortex_x2.h>
Govindraj Raja77feb742025-01-21 18:12:35 -0600[diff] [blame]20#include <cortex_x3.h>
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]21#include <cortex_x4.h>
Govindraj Raja511148e2025-01-21 18:38:56 -0600[diff] [blame]22#include <cortex_x925.h>
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]23#include <lib/cpus/cpu_ops.h>
24#include <lib/cpus/errata.h>
Govindraj Rajaadea6e52025-01-21 18:56:25 -0600[diff] [blame]25#include <neoverse_n2.h>
Govindraj Rajafded8392025-01-21 19:03:34 -0600[diff] [blame]26#include <neoverse_n3.h>
Govindraj Rajae25fc9d2025-01-21 19:20:29 -0600[diff] [blame]27#include <neoverse_v3.h>
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]28
John Powellf2bd3522025-02-19 16:39:30 -0600[diff] [blame]29bool check_if_trbe_disable_affected_core(void)
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]30{
John Powellf2bd3522025-02-19 16:39:30 -0600[diff] [blame]31 switch (EXTRACT_PARTNUM(read_midr())) {
32#if ERRATA_A520_2938996
33 case EXTRACT_PARTNUM(CORTEX_A520_MIDR):
34 return check_erratum_cortex_a520_2938996(cpu_get_rev_var()) == ERRATA_APPLIES;
Arvind Ram Prakash721249b2024-08-05 16:11:42 -0500[diff] [blame]35#endif
John Powellf2bd3522025-02-19 16:39:30 -0600[diff] [blame]36#if ERRATA_X4_2726228
37 case EXTRACT_PARTNUM(CORTEX_X4_MIDR):
38 return check_erratum_cortex_x4_2726228(cpu_get_rev_var()) == ERRATA_APPLIES;
39#endif
40#if ERRATA_A510_2971420
41 case EXTRACT_PARTNUM(CORTEX_A510_MIDR):
42 return check_erratum_cortex_a510_2971420(cpu_get_rev_var()) == ERRATA_APPLIES;
43#endif
44 default:
45 break;
46 }
47 return false;
48}
Sona Mathew7f152ea2024-07-10 18:04:40 -0500[diff] [blame]49
50#if ERRATA_A75_764081
51bool errata_a75_764081_applies(void)
52{
53 long rev_var = cpu_get_rev_var();
54 if (check_erratum_cortex_a75_764081(rev_var) == ERRATA_APPLIES) {
55 return true;
56 }
57 return false;
58}
59#endif /* ERRATA_A75_764081 */
Govindraj Raja7455cd12025-01-29 15:01:10 -0600[diff] [blame]60
61bool errata_ich_vmcr_el2_applies(void)
62{
63 switch (EXTRACT_PARTNUM(read_midr())) {
Govindraj Raja463b5b42025-01-21 12:32:14 -0600[diff] [blame]64#if ERRATA_A710_3701772
65 case EXTRACT_PARTNUM(CORTEX_A710_MIDR):
66 if (check_erratum_cortex_a710_3701772(cpu_get_rev_var()) == ERRATA_APPLIES)
67 return true;
68 break;
69#endif /* ERRATA_A710_3701772 */
70
Govindraj Raja26437af2025-01-21 17:00:11 -0600[diff] [blame]71#if ERRATA_A715_3699560
72 case EXTRACT_PARTNUM(CORTEX_A715_MIDR):
73 if (check_erratum_cortex_a715_3699560(cpu_get_rev_var()) == ERRATA_APPLIES)
74 return true;
75 break;
76#endif /* ERRATA_A715_3699560 */
77
Govindraj Raja050c4a32025-01-21 17:12:33 -0600[diff] [blame]78#if ERRATA_A720_3699561
79 case EXTRACT_PARTNUM(CORTEX_A720_MIDR):
80 if (check_erratum_cortex_a720_3699561(cpu_get_rev_var()) == ERRATA_APPLIES)
81 return true;;
82 break;
83#endif /* ERRATA_A720_3699561 */
84
Govindraj Rajaaf5ae9a2025-01-21 17:23:26 -0600[diff] [blame]85#if ERRATA_A720_AE_3699562
86 case EXTRACT_PARTNUM(CORTEX_A720_AE_MIDR):
87 if (check_erratum_cortex_a720_ae_3699562(cpu_get_rev_var()) == ERRATA_APPLIES)
88 return true;
89 break;
90#endif /* ERRATA_A720_AE_3699562 */
91
Govindraj Rajad7323002025-01-21 17:44:17 -0600[diff] [blame]92#if ERRATA_A725_3699564
93 case EXTRACT_PARTNUM(CORTEX_A725_MIDR):
94 if (check_erratum_cortex_a725_3699564(cpu_get_rev_var()) == ERRATA_APPLIES)
95 return true;
96 break;
97#endif /* ERRATA_A725_3699564 */
Govindraj Rajaae6c7c92025-01-21 18:02:51 -0600[diff] [blame]98
99#if ERRATA_X2_3701772
100 case EXTRACT_PARTNUM(CORTEX_X2_MIDR):
101 if (check_erratum_cortex_x2_3701772(cpu_get_rev_var()) == ERRATA_APPLIES)
102 return true;
103 break;
104#endif /* ERRATA_X2_3701772 */
105
Govindraj Raja77feb742025-01-21 18:12:35 -0600[diff] [blame]106#if ERRATA_X3_3701769
107 case EXTRACT_PARTNUM(CORTEX_X3_MIDR):
108 if (check_erratum_cortex_x3_3701769(cpu_get_rev_var()) == ERRATA_APPLIES)
109 return true;
110 break;
111#endif /* ERRATA_X3_3701769 */
112
Govindraj Raja38401c52025-01-21 18:24:57 -0600[diff] [blame]113#if ERRATA_X4_3701758
114 case EXTRACT_PARTNUM(CORTEX_X4_MIDR):
115 if (check_erratum_cortex_x4_3701758(cpu_get_rev_var()) == ERRATA_APPLIES)
116 return true;
117 break;
118#endif /* ERRATA_X4_3701758 */
119
Govindraj Raja511148e2025-01-21 18:38:56 -0600[diff] [blame]120#if ERRATA_X925_3701747
121 case EXTRACT_PARTNUM(CORTEX_X925_MIDR):
122 if (check_erratum_cortex_x925_3701747(cpu_get_rev_var()) == ERRATA_APPLIES)
123 return true;
124 break;
125#endif /* ERRATA_X925_3701747 */
Govindraj Rajaadea6e52025-01-21 18:56:25 -0600[diff] [blame]126
127#if ERRATA_N2_3701773
128 case EXTRACT_PARTNUM(NEOVERSE_N2_MIDR):
129 if (check_erratum_neoverse_n2_3701773(cpu_get_rev_var()) == ERRATA_APPLIES)
130 return true;
131 break;
132#endif /* ERRATA_N2_3701773 */
133
Govindraj Rajafded8392025-01-21 19:03:34 -0600[diff] [blame]134#if ERRATA_N3_3699563
135 case EXTRACT_PARTNUM(NEOVERSE_N3_MIDR):
136 if (check_erratum_neoverse_n3_3699563(cpu_get_rev_var()) == ERRATA_APPLIES)
137 return true;
138 break;
139#endif /* ERRATA_N3_3699563 */
Govindraj Rajae25fc9d2025-01-21 19:20:29 -0600[diff] [blame]140
141#if ERRATA_V3_3701767
142 case EXTRACT_PARTNUM(NEOVERSE_V3_MIDR):
143 if (check_erratum_neoverse_v3_3701767(cpu_get_rev_var()) == ERRATA_APPLIES)
144 return true;
145 break;
146#endif /* ERRATA_V3_3701767 */
147
Govindraj Raja7455cd12025-01-29 15:01:10 -0600[diff] [blame]148 default:
149 break;
150 }
151
152 return false;
153}