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Diffstat (limited to 'arch/arm64/kernel/cpu_errata.c')
-rw-r--r--arch/arm64/kernel/cpu_errata.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index aaa66c9eee24..9e1c1aef9ebd 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -364,6 +364,18 @@ static const struct midr_range tsb_flush_fail_cpus[] = {
};
#endif /* CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE */
+#ifdef CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE
+static struct midr_range trbe_write_out_of_range_cpus[] = {
+#ifdef CONFIG_ARM64_ERRATUM_2253138
+ MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2224489
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
+#endif
+ {},
+};
+#endif /* CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE */
+
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
@@ -578,6 +590,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
ERRATA_MIDR_RANGE_LIST(tsb_flush_fail_cpus),
},
#endif
+#ifdef CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE
+ {
+ .desc = "ARM erratum 2253138 or 2224489",
+ .capability = ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE,
+ .type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE,
+ CAP_MIDR_RANGE_LIST(trbe_write_out_of_range_cpus),
+ },
+#endif
{
}
};