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review.trustedfirmware.org / sandbox / arthur / trustedfirmware-a / e270eea45dad1c6f24780cb39adbb289e2a7ab0c / . / lib / cpus / errata_common.c
blob: ba9c676e2b8f988ff224e21394b79069dbf62cba [file] [log] [blame]
Arvind Ram Prakashc4c6eae2024-08-05 16:11:42 -0500[diff] [blame]1/*
Govindraj Raja57bdc572025-02-04 16:04:27 +0100[diff] [blame]2 * Copyright (c) 2024-2025, Arm Limited and Contributors. All rights reserved.
Arvind Ram Prakashc4c6eae2024-08-05 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>
Sona Mathew33a04462024-07-10 18:04:40 -0500[diff] [blame]11#include <cortex_a75.h>
Govindraj Raja57bdc572025-02-04 16:04:27 +0100[diff] [blame]12#include <cortex_a520.h>
Govindraj Raja8f709372025-01-21 12:32:14 -0600[diff] [blame]13#include <cortex_a710.h>
Govindraj Raja857cfc22025-01-21 17:00:11 -0600[diff] [blame]14#include <cortex_a715.h>
Govindraj Raja36b53f92025-01-21 17:12:33 -0600[diff] [blame]15#include <cortex_a720.h>
Govindraj Raja17b8a8a2025-02-04 16:20:35 +0100[diff] [blame]16#include <cortex_a725.h>
Govindraj Raja3e9433d2025-01-21 18:02:51 -0600[diff] [blame]17#include <cortex_x2.h>
Govindraj Raja1852f602025-01-21 18:12:35 -0600[diff] [blame]18#include <cortex_x3.h>
Arvind Ram Prakashc4c6eae2024-08-05 16:11:42 -0500[diff] [blame]19#include <cortex_x4.h>
Govindraj Rajac8a6cc02025-01-21 18:38:56 -0600[diff] [blame]20#include <cortex_x925.h>
Arvind Ram Prakashc4c6eae2024-08-05 16:11:42 -0500[diff] [blame]21#include <lib/cpus/cpu_ops.h>
22#include <lib/cpus/errata.h>
Govindraj Raja1d175782025-01-21 18:56:25 -0600[diff] [blame]23#include <neoverse_n2.h>
Govindraj Rajae2a5da12025-01-21 19:03:34 -0600[diff] [blame]24#include <neoverse_n3.h>
Govindraj Rajafc497732025-01-21 19:20:29 -0600[diff] [blame]25#include <neoverse_v3.h>
Arvind Ram Prakashc4c6eae2024-08-05 16:11:42 -0500[diff] [blame]26
27#if ERRATA_A520_2938996 || ERRATA_X4_2726228
28unsigned int check_if_affected_core(void)
29{
30 uint32_t midr_val = read_midr();
31 long rev_var = cpu_get_rev_var();
32
33 if (EXTRACT_PARTNUM(midr_val) == EXTRACT_PARTNUM(CORTEX_A520_MIDR)) {
34 return check_erratum_cortex_a520_2938996(rev_var);
35 } else if (EXTRACT_PARTNUM(midr_val) == EXTRACT_PARTNUM(CORTEX_X4_MIDR)) {
36 return check_erratum_cortex_x4_2726228(rev_var);
37 }
38
39 return ERRATA_NOT_APPLIES;
40}
41#endif
Sona Mathew33a04462024-07-10 18:04:40 -0500[diff] [blame]42
43#if ERRATA_A75_764081
44bool errata_a75_764081_applies(void)
45{
46 long rev_var = cpu_get_rev_var();
47
48 if (check_erratum_cortex_a75_764081(rev_var) == ERRATA_APPLIES) {
49 return true;
50 }
51 return false;
52}
53#endif /* ERRATA_A75_764081 */
Govindraj Raja57bdc572025-02-04 16:04:27 +0100[diff] [blame]54
55bool errata_ich_vmcr_el2_applies(void)
56{
57 switch (EXTRACT_PARTNUM(read_midr())) {
Govindraj Raja8f709372025-01-21 12:32:14 -0600[diff] [blame]58#if ERRATA_A710_3701772
59 case EXTRACT_PARTNUM(CORTEX_A710_MIDR):
60 if (check_erratum_cortex_a710_3701772(cpu_get_rev_var()) == ERRATA_APPLIES)
61 return true;
62 break;
63#endif /* ERRATA_A710_3701772 */
64
Govindraj Raja857cfc22025-01-21 17:00:11 -0600[diff] [blame]65#if ERRATA_A715_3699560
66 case EXTRACT_PARTNUM(CORTEX_A715_MIDR):
67 if (check_erratum_cortex_a715_3699560(cpu_get_rev_var()) == ERRATA_APPLIES)
68 return true;
69 break;
70#endif /* ERRATA_A715_3699560 */
71
Govindraj Raja36b53f92025-01-21 17:12:33 -0600[diff] [blame]72#if ERRATA_A720_3699561
73 case EXTRACT_PARTNUM(CORTEX_A720_MIDR):
74 if (check_erratum_cortex_a720_3699561(cpu_get_rev_var()) == ERRATA_APPLIES)
75 return true;;
76 break;
77#endif /* ERRATA_A720_3699561 */
78
Govindraj Raja17b8a8a2025-02-04 16:20:35 +0100[diff] [blame]79#if ERRATA_A725_3699564
80 case EXTRACT_PARTNUM(CORTEX_A725_MIDR):
81 if (check_erratum_cortex_a725_3699564(cpu_get_rev_var()) == ERRATA_APPLIES)
82 return true;
83 break;
84#endif /* ERRATA_A725_3699564 */
Govindraj Raja3e9433d2025-01-21 18:02:51 -0600[diff] [blame]85
86#if ERRATA_X2_3701772
87 case EXTRACT_PARTNUM(CORTEX_X2_MIDR):
88 if (check_erratum_cortex_x2_3701772(cpu_get_rev_var()) == ERRATA_APPLIES)
89 return true;
90 break;
91#endif /* ERRATA_X2_3701772 */
92
Govindraj Raja1852f602025-01-21 18:12:35 -0600[diff] [blame]93#if ERRATA_X3_3701769
94 case EXTRACT_PARTNUM(CORTEX_X3_MIDR):
95 if (check_erratum_cortex_x3_3701769(cpu_get_rev_var()) == ERRATA_APPLIES)
96 return true;
97 break;
98#endif /* ERRATA_X3_3701769 */
99
Govindraj Rajadb3048d2025-01-21 18:24:57 -0600[diff] [blame]100#if ERRATA_X4_3701758
101 case EXTRACT_PARTNUM(CORTEX_X4_MIDR):
102 if (check_erratum_cortex_x4_3701758(cpu_get_rev_var()) == ERRATA_APPLIES)
103 return true;
104 break;
105#endif /* ERRATA_X4_3701758 */
106
Govindraj Rajac8a6cc02025-01-21 18:38:56 -0600[diff] [blame]107#if ERRATA_X925_3701747
108 case EXTRACT_PARTNUM(CORTEX_X925_MIDR):
109 if (check_erratum_cortex_x925_3701747(cpu_get_rev_var()) == ERRATA_APPLIES)
110 return true;
111 break;
112#endif /* ERRATA_X925_3701747 */
Govindraj Raja1d175782025-01-21 18:56:25 -0600[diff] [blame]113
114#if ERRATA_N2_3701773
115 case EXTRACT_PARTNUM(NEOVERSE_N2_MIDR):
116 if (check_erratum_neoverse_n2_3701773(cpu_get_rev_var()) == ERRATA_APPLIES)
117 return true;
118 break;
119#endif /* ERRATA_N2_3701773 */
120
Govindraj Rajae2a5da12025-01-21 19:03:34 -0600[diff] [blame]121#if ERRATA_N3_3699563
122 case EXTRACT_PARTNUM(NEOVERSE_N3_MIDR):
123 if (check_erratum_neoverse_n3_3699563(cpu_get_rev_var()) == ERRATA_APPLIES)
124 return true;
125 break;
126#endif /* ERRATA_N3_3699563 */
Govindraj Rajafc497732025-01-21 19:20:29 -0600[diff] [blame]127
128#if ERRATA_V3_3701767
129 case EXTRACT_PARTNUM(NEOVERSE_V3_MIDR):
130 if (check_erratum_neoverse_v3_3701767(cpu_get_rev_var()) == ERRATA_APPLIES)
131 return true;
132 break;
133#endif /* ERRATA_V3_3701767 */
134
Govindraj Raja57bdc572025-02-04 16:04:27 +0100[diff] [blame]135 default:
136 break;
137 }
138
139 return false;
140}