arm64: cpuinfo: add system serial support

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / kernel / cpu_errata.c

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index e6bc988e8dbf0f69fc4b1a48f9a7b4a89ee713f3..06afd04e02c0d05f1e0546230a5d446b8bb06b60 100644 (file)
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -87,6 +87,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
                .capability = ARM64_WORKAROUND_CAVIUM_23154,
                MIDR_RANGE(MIDR_THUNDERX, 0x00, 0x01),
        },
+#endif
+#ifdef CONFIG_CAVIUM_ERRATUM_27456
+       {
+       /* Cavium ThunderX, T88 pass 1.x - 2.1 */
+               .desc = "Cavium erratum 27456",
+               .capability = ARM64_WORKAROUND_CAVIUM_27456,
+               MIDR_RANGE(MIDR_THUNDERX, 0x00,
+                          (1 << MIDR_VARIANT_SHIFT) | 1),
+       },
 #endif
        {
        }