Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 743 insertions, 0 deletions

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
new file mode 100644
index 000000000..61f22e9c9
--- /dev/null
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -0,0 +1,743 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Contains CPU specific errata definitions
+ *
+ * Copyright (C) 2014 ARM Ltd.
+ */
+
+#include <linux/arm-smccc.h>
+#include <linux/types.h>
+#include <linux/cpu.h>
+#include <asm/cpu.h>
+#include <asm/cputype.h>
+#include <asm/cpufeature.h>
+#include <asm/kvm_asm.h>
+#include <asm/smp_plat.h>
+
+static bool __maybe_unused
+is_affected_midr_range(const struct arm64_cpu_capabilities *entry, int scope)
+{
+	const struct arm64_midr_revidr *fix;
+	u32 midr = read_cpuid_id(), revidr;
+
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+	if (!is_midr_in_range(midr, &entry->midr_range))
+		return false;
+
+	midr &= MIDR_REVISION_MASK | MIDR_VARIANT_MASK;
+	revidr = read_cpuid(REVIDR_EL1);
+	for (fix = entry->fixed_revs; fix && fix->revidr_mask; fix++)
+		if (midr == fix->midr_rv && (revidr & fix->revidr_mask))
+			return false;
+
+	return true;
+}
+
+static bool __maybe_unused
+is_affected_midr_range_list(const struct arm64_cpu_capabilities *entry,
+			    int scope)
+{
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+	return is_midr_in_range_list(read_cpuid_id(), entry->midr_range_list);
+}
+
+static bool __maybe_unused
+is_kryo_midr(const struct arm64_cpu_capabilities *entry, int scope)
+{
+	u32 model;
+
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+
+	model = read_cpuid_id();
+	model &= MIDR_IMPLEMENTOR_MASK | (0xf00 << MIDR_PARTNUM_SHIFT) |
+		 MIDR_ARCHITECTURE_MASK;
+
+	return model == entry->midr_range.model;
+}
+
+static bool
+has_mismatched_cache_type(const struct arm64_cpu_capabilities *entry,
+			  int scope)
+{
+	u64 mask = arm64_ftr_reg_ctrel0.strict_mask;
+	u64 sys = arm64_ftr_reg_ctrel0.sys_val & mask;
+	u64 ctr_raw, ctr_real;
+
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+
+	/*
+	 * We want to make sure that all the CPUs in the system expose
+	 * a consistent CTR_EL0 to make sure that applications behaves
+	 * correctly with migration.
+	 *
+	 * If a CPU has CTR_EL0.IDC but does not advertise it via CTR_EL0 :
+	 *
+	 * 1) It is safe if the system doesn't support IDC, as CPU anyway
+	 *    reports IDC = 0, consistent with the rest.
+	 *
+	 * 2) If the system has IDC, it is still safe as we trap CTR_EL0
+	 *    access on this CPU via the ARM64_HAS_CACHE_IDC capability.
+	 *
+	 * So, we need to make sure either the raw CTR_EL0 or the effective
+	 * CTR_EL0 matches the system's copy to allow a secondary CPU to boot.
+	 */
+	ctr_raw = read_cpuid_cachetype() & mask;
+	ctr_real = read_cpuid_effective_cachetype() & mask;
+
+	return (ctr_real != sys) && (ctr_raw != sys);
+}
+
+static void
+cpu_enable_trap_ctr_access(const struct arm64_cpu_capabilities *cap)
+{
+	u64 mask = arm64_ftr_reg_ctrel0.strict_mask;
+	bool enable_uct_trap = false;
+
+	/* Trap CTR_EL0 access on this CPU, only if it has a mismatch */
+	if ((read_cpuid_cachetype() & mask) !=
+	    (arm64_ftr_reg_ctrel0.sys_val & mask))
+		enable_uct_trap = true;
+
+	/* ... or if the system is affected by an erratum */
+	if (cap->capability == ARM64_WORKAROUND_1542419)
+		enable_uct_trap = true;
+
+	if (enable_uct_trap)
+		sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCT, 0);
+}
+
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+static bool
+has_cortex_a76_erratum_1463225(const struct arm64_cpu_capabilities *entry,
+			       int scope)
+{
+	return is_affected_midr_range_list(entry, scope) && is_kernel_in_hyp_mode();
+}
+#endif
+
+static void __maybe_unused
+cpu_enable_cache_maint_trap(const struct arm64_cpu_capabilities *__unused)
+{
+	sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCI, 0);
+}
+
+static DEFINE_RAW_SPINLOCK(reg_user_mask_modification);
+static void __maybe_unused
+cpu_clear_bf16_from_user_emulation(const struct arm64_cpu_capabilities *__unused)
+{
+	struct arm64_ftr_reg *regp;
+
+	regp = get_arm64_ftr_reg(SYS_ID_AA64ISAR1_EL1);
+	if (!regp)
+		return;
+
+	raw_spin_lock(&reg_user_mask_modification);
+	if (regp->user_mask & ID_AA64ISAR1_EL1_BF16_MASK)
+		regp->user_mask &= ~ID_AA64ISAR1_EL1_BF16_MASK;
+	raw_spin_unlock(&reg_user_mask_modification);
+}
+
+#define CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max)	\
+	.matches = is_affected_midr_range,			\
+	.midr_range = MIDR_RANGE(model, v_min, r_min, v_max, r_max)
+
+#define CAP_MIDR_ALL_VERSIONS(model)					\
+	.matches = is_affected_midr_range,				\
+	.midr_range = MIDR_ALL_VERSIONS(model)
+
+#define MIDR_FIXED(rev, revidr_mask) \
+	.fixed_revs = (struct arm64_midr_revidr[]){{ (rev), (revidr_mask) }, {}}
+
+#define ERRATA_MIDR_RANGE(model, v_min, r_min, v_max, r_max)		\
+	.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,				\
+	CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max)
+
+#define CAP_MIDR_RANGE_LIST(list)				\
+	.matches = is_affected_midr_range_list,			\
+	.midr_range_list = list
+
+/* Errata affecting a range of revisions of  given model variant */
+#define ERRATA_MIDR_REV_RANGE(m, var, r_min, r_max)	 \
+	ERRATA_MIDR_RANGE(m, var, r_min, var, r_max)
+
+/* Errata affecting a single variant/revision of a model */
+#define ERRATA_MIDR_REV(model, var, rev)	\
+	ERRATA_MIDR_RANGE(model, var, rev, var, rev)
+
+/* Errata affecting all variants/revisions of a given a model */
+#define ERRATA_MIDR_ALL_VERSIONS(model)				\
+	.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,			\
+	CAP_MIDR_ALL_VERSIONS(model)
+
+/* Errata affecting a list of midr ranges, with same work around */
+#define ERRATA_MIDR_RANGE_LIST(midr_list)			\
+	.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,			\
+	CAP_MIDR_RANGE_LIST(midr_list)
+
+static const __maybe_unused struct midr_range tx2_family_cpus[] = {
+	MIDR_ALL_VERSIONS(MIDR_BRCM_VULCAN),
+	MIDR_ALL_VERSIONS(MIDR_CAVIUM_THUNDERX2),
+	{},
+};
+
+static bool __maybe_unused
+needs_tx2_tvm_workaround(const struct arm64_cpu_capabilities *entry,
+			 int scope)
+{
+	int i;
+
+	if (!is_affected_midr_range_list(entry, scope) ||
+	    !is_hyp_mode_available())
+		return false;
+
+	for_each_possible_cpu(i) {
+		if (MPIDR_AFFINITY_LEVEL(cpu_logical_map(i), 0) != 0)
+			return true;
+	}
+
+	return false;
+}
+
+static bool __maybe_unused
+has_neoverse_n1_erratum_1542419(const struct arm64_cpu_capabilities *entry,
+				int scope)
+{
+	u32 midr = read_cpuid_id();
+	bool has_dic = read_cpuid_cachetype() & BIT(CTR_EL0_DIC_SHIFT);
+	const struct midr_range range = MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1);
+
+	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+	return is_midr_in_range(midr, &range) && has_dic;
+}
+
+#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
+static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
+#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
+	{
+		ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0)
+	},
+	{
+		.midr_range.model = MIDR_QCOM_KRYO,
+		.matches = is_kryo_midr,
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1286807
+	{
+		ERRATA_MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
+	},
+	{
+		/* Kryo4xx Gold (rcpe to rfpe) => (r0p0 to r3p0) */
+		ERRATA_MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xe),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2441007
+	{
+		ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2441009
+	{
+		/* Cortex-A510 r0p0 -> r1p1. Fixed in r1p2 */
+		ERRATA_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1),
+	},
+#endif
+	{},
+};
+#endif
+
+#ifdef CONFIG_CAVIUM_ERRATUM_23154
+static const struct midr_range cavium_erratum_23154_cpus[] = {
+	MIDR_ALL_VERSIONS(MIDR_THUNDERX),
+	MIDR_ALL_VERSIONS(MIDR_THUNDERX_81XX),
+	MIDR_ALL_VERSIONS(MIDR_THUNDERX_83XX),
+	MIDR_ALL_VERSIONS(MIDR_OCTX2_98XX),
+	MIDR_ALL_VERSIONS(MIDR_OCTX2_96XX),
+	MIDR_ALL_VERSIONS(MIDR_OCTX2_95XX),
+	MIDR_ALL_VERSIONS(MIDR_OCTX2_95XXN),
+	MIDR_ALL_VERSIONS(MIDR_OCTX2_95XXMM),
+	MIDR_ALL_VERSIONS(MIDR_OCTX2_95XXO),
+	{},
+};
+#endif
+
+#ifdef CONFIG_CAVIUM_ERRATUM_27456
+const struct midr_range cavium_erratum_27456_cpus[] = {
+	/* Cavium ThunderX, T88 pass 1.x - 2.1 */
+	MIDR_RANGE(MIDR_THUNDERX, 0, 0, 1, 1),
+	/* Cavium ThunderX, T81 pass 1.0 */
+	MIDR_REV(MIDR_THUNDERX_81XX, 0, 0),
+	{},
+};
+#endif
+
+#ifdef CONFIG_CAVIUM_ERRATUM_30115
+static const struct midr_range cavium_erratum_30115_cpus[] = {
+	/* Cavium ThunderX, T88 pass 1.x - 2.2 */
+	MIDR_RANGE(MIDR_THUNDERX, 0, 0, 1, 2),
+	/* Cavium ThunderX, T81 pass 1.0 - 1.2 */
+	MIDR_REV_RANGE(MIDR_THUNDERX_81XX, 0, 0, 2),
+	/* Cavium ThunderX, T83 pass 1.0 */
+	MIDR_REV(MIDR_THUNDERX_83XX, 0, 0),
+	{},
+};
+#endif
+
+#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1003
+static const struct arm64_cpu_capabilities qcom_erratum_1003_list[] = {
+	{
+		ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0),
+	},
+	{
+		.midr_range.model = MIDR_QCOM_KRYO,
+		.matches = is_kryo_midr,
+	},
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
+static const struct midr_range workaround_clean_cache[] = {
+#if	defined(CONFIG_ARM64_ERRATUM_826319) || \
+	defined(CONFIG_ARM64_ERRATUM_827319) || \
+	defined(CONFIG_ARM64_ERRATUM_824069)
+	/* Cortex-A53 r0p[012]: ARM errata 826319, 827319, 824069 */
+	MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 2),
+#endif
+#ifdef	CONFIG_ARM64_ERRATUM_819472
+	/* Cortex-A53 r0p[01] : ARM errata 819472 */
+	MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 1),
+#endif
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_ERRATUM_1418040
+/*
+ * - 1188873 affects r0p0 to r2p0
+ * - 1418040 affects r0p0 to r3p1
+ */
+static const struct midr_range erratum_1418040_list[] = {
+	/* Cortex-A76 r0p0 to r3p1 */
+	MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1),
+	/* Neoverse-N1 r0p0 to r3p1 */
+	MIDR_RANGE(MIDR_NEOVERSE_N1, 0, 0, 3, 1),
+	/* Kryo4xx Gold (rcpe to rfpf) => (r0p0 to r3p1) */
+	MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xf),
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_ERRATUM_845719
+static const struct midr_range erratum_845719_list[] = {
+	/* Cortex-A53 r0p[01234] */
+	MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
+	/* Brahma-B53 r0p[0] */
+	MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
+	/* Kryo2XX Silver rAp4 */
+	MIDR_REV(MIDR_QCOM_KRYO_2XX_SILVER, 0xa, 0x4),
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_ERRATUM_843419
+static const struct arm64_cpu_capabilities erratum_843419_list[] = {
+	{
+		/* Cortex-A53 r0p[01234] */
+		.matches = is_affected_midr_range,
+		ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
+		MIDR_FIXED(0x4, BIT(8)),
+	},
+	{
+		/* Brahma-B53 r0p[0] */
+		.matches = is_affected_midr_range,
+		ERRATA_MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
+	},
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
+static const struct midr_range erratum_speculative_at_list[] = {
+#ifdef CONFIG_ARM64_ERRATUM_1165522
+	/* Cortex A76 r0p0 to r2p0 */
+	MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 2, 0),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1319367
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1530923
+	/* Cortex A55 r0p0 to r2p0 */
+	MIDR_RANGE(MIDR_CORTEX_A55, 0, 0, 2, 0),
+	/* Kryo4xx Silver (rdpe => r1p0) */
+	MIDR_REV(MIDR_QCOM_KRYO_4XX_SILVER, 0xd, 0xe),
+#endif
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+static const struct midr_range erratum_1463225[] = {
+	/* Cortex-A76 r0p0 - r3p1 */
+	MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1),
+	/* Kryo4xx Gold (rcpe to rfpf) => (r0p0 to r3p1) */
+	MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xf),
+	{},
+};
+#endif
+
+#ifdef CONFIG_ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE
+static const struct midr_range trbe_overwrite_fill_mode_cpus[] = {
+#ifdef CONFIG_ARM64_ERRATUM_2139208
+	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2119858
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
+	MIDR_RANGE(MIDR_CORTEX_X2, 0, 0, 2, 0),
+#endif
+	{},
+};
+#endif	/* CONFIG_ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE */
+
+#ifdef CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+static const struct midr_range tsb_flush_fail_cpus[] = {
+#ifdef CONFIG_ARM64_ERRATUM_2067961
+	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2054223
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
+#endif
+	{},
+};
+#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),
+	MIDR_RANGE(MIDR_CORTEX_X2, 0, 0, 2, 0),
+#endif
+	{},
+};
+#endif /* CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE */
+
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+static struct midr_range broken_aarch32_aes[] = {
+	MIDR_RANGE(MIDR_CORTEX_A57, 0, 1, 0xf, 0xf),
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+	{},
+};
+#endif /* CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE */
+
+const struct arm64_cpu_capabilities arm64_errata[] = {
+#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
+	{
+		.desc = "ARM errata 826319, 827319, 824069, or 819472",
+		.capability = ARM64_WORKAROUND_CLEAN_CACHE,
+		ERRATA_MIDR_RANGE_LIST(workaround_clean_cache),
+		.cpu_enable = cpu_enable_cache_maint_trap,
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_832075
+	{
+	/* Cortex-A57 r0p0 - r1p2 */
+		.desc = "ARM erratum 832075",
+		.capability = ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE,
+		ERRATA_MIDR_RANGE(MIDR_CORTEX_A57,
+				  0, 0,
+				  1, 2),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_834220
+	{
+	/* Cortex-A57 r0p0 - r1p2 */
+		.desc = "ARM erratum 834220",
+		.capability = ARM64_WORKAROUND_834220,
+		ERRATA_MIDR_RANGE(MIDR_CORTEX_A57,
+				  0, 0,
+				  1, 2),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_843419
+	{
+		.desc = "ARM erratum 843419",
+		.capability = ARM64_WORKAROUND_843419,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = cpucap_multi_entry_cap_matches,
+		.match_list = erratum_843419_list,
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_845719
+	{
+		.desc = "ARM erratum 845719",
+		.capability = ARM64_WORKAROUND_845719,
+		ERRATA_MIDR_RANGE_LIST(erratum_845719_list),
+	},
+#endif
+#ifdef CONFIG_CAVIUM_ERRATUM_23154
+	{
+		.desc = "Cavium errata 23154 and 38545",
+		.capability = ARM64_WORKAROUND_CAVIUM_23154,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		ERRATA_MIDR_RANGE_LIST(cavium_erratum_23154_cpus),
+	},
+#endif
+#ifdef CONFIG_CAVIUM_ERRATUM_27456
+	{
+		.desc = "Cavium erratum 27456",
+		.capability = ARM64_WORKAROUND_CAVIUM_27456,
+		ERRATA_MIDR_RANGE_LIST(cavium_erratum_27456_cpus),
+	},
+#endif
+#ifdef CONFIG_CAVIUM_ERRATUM_30115
+	{
+		.desc = "Cavium erratum 30115",
+		.capability = ARM64_WORKAROUND_CAVIUM_30115,
+		ERRATA_MIDR_RANGE_LIST(cavium_erratum_30115_cpus),
+	},
+#endif
+	{
+		.desc = "Mismatched cache type (CTR_EL0)",
+		.capability = ARM64_MISMATCHED_CACHE_TYPE,
+		.matches = has_mismatched_cache_type,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.cpu_enable = cpu_enable_trap_ctr_access,
+	},
+#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1003
+	{
+		.desc = "Qualcomm Technologies Falkor/Kryo erratum 1003",
+		.capability = ARM64_WORKAROUND_QCOM_FALKOR_E1003,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = cpucap_multi_entry_cap_matches,
+		.match_list = qcom_erratum_1003_list,
+	},
+#endif
+#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
+	{
+		.desc = "Qualcomm erratum 1009, or ARM erratum 1286807, 2441009",
+		.capability = ARM64_WORKAROUND_REPEAT_TLBI,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = cpucap_multi_entry_cap_matches,
+		.match_list = arm64_repeat_tlbi_list,
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_858921
+	{
+	/* Cortex-A73 all versions */
+		.desc = "ARM erratum 858921",
+		.capability = ARM64_WORKAROUND_858921,
+		ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A73),
+	},
+#endif
+	{
+		.desc = "Spectre-v2",
+		.capability = ARM64_SPECTRE_V2,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_spectre_v2,
+		.cpu_enable = spectre_v2_enable_mitigation,
+	},
+#ifdef CONFIG_RANDOMIZE_BASE
+	{
+	/* Must come after the Spectre-v2 entry */
+		.desc = "Spectre-v3a",
+		.capability = ARM64_SPECTRE_V3A,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_spectre_v3a,
+		.cpu_enable = spectre_v3a_enable_mitigation,
+	},
+#endif
+	{
+		.desc = "Spectre-v4",
+		.capability = ARM64_SPECTRE_V4,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_spectre_v4,
+		.cpu_enable = spectre_v4_enable_mitigation,
+	},
+	{
+		.desc = "Spectre-BHB",
+		.capability = ARM64_SPECTRE_BHB,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = is_spectre_bhb_affected,
+		.cpu_enable = spectre_bhb_enable_mitigation,
+	},
+#ifdef CONFIG_ARM64_ERRATUM_1418040
+	{
+		.desc = "ARM erratum 1418040",
+		.capability = ARM64_WORKAROUND_1418040,
+		ERRATA_MIDR_RANGE_LIST(erratum_1418040_list),
+		/*
+		 * We need to allow affected CPUs to come in late, but
+		 * also need the non-affected CPUs to be able to come
+		 * in at any point in time. Wonderful.
+		 */
+		.type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE,
+	},
+#endif
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
+	{
+		.desc = "ARM errata 1165522, 1319367, or 1530923",
+		.capability = ARM64_WORKAROUND_SPECULATIVE_AT,
+		ERRATA_MIDR_RANGE_LIST(erratum_speculative_at_list),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1463225
+	{
+		.desc = "ARM erratum 1463225",
+		.capability = ARM64_WORKAROUND_1463225,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_cortex_a76_erratum_1463225,
+		.midr_range_list = erratum_1463225,
+	},
+#endif
+#ifdef CONFIG_CAVIUM_TX2_ERRATUM_219
+	{
+		.desc = "Cavium ThunderX2 erratum 219 (KVM guest sysreg trapping)",
+		.capability = ARM64_WORKAROUND_CAVIUM_TX2_219_TVM,
+		ERRATA_MIDR_RANGE_LIST(tx2_family_cpus),
+		.matches = needs_tx2_tvm_workaround,
+	},
+	{
+		.desc = "Cavium ThunderX2 erratum 219 (PRFM removal)",
+		.capability = ARM64_WORKAROUND_CAVIUM_TX2_219_PRFM,
+		ERRATA_MIDR_RANGE_LIST(tx2_family_cpus),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1542419
+	{
+		/* we depend on the firmware portion for correctness */
+		.desc = "ARM erratum 1542419 (kernel portion)",
+		.capability = ARM64_WORKAROUND_1542419,
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+		.matches = has_neoverse_n1_erratum_1542419,
+		.cpu_enable = cpu_enable_trap_ctr_access,
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1508412
+	{
+		/* we depend on the firmware portion for correctness */
+		.desc = "ARM erratum 1508412 (kernel portion)",
+		.capability = ARM64_WORKAROUND_1508412,
+		ERRATA_MIDR_RANGE(MIDR_CORTEX_A77,
+				  0, 0,
+				  1, 0),
+	},
+#endif
+#ifdef CONFIG_NVIDIA_CARMEL_CNP_ERRATUM
+	{
+		/* NVIDIA Carmel */
+		.desc = "NVIDIA Carmel CNP erratum",
+		.capability = ARM64_WORKAROUND_NVIDIA_CARMEL_CNP,
+		ERRATA_MIDR_ALL_VERSIONS(MIDR_NVIDIA_CARMEL),
+	},
+#endif
+#ifdef CONFIG_ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE
+	{
+		/*
+		 * The erratum work around is handled within the TRBE
+		 * driver and can be applied per-cpu. So, we can allow
+		 * a late CPU to come online with this erratum.
+		 */
+		.desc = "ARM erratum 2119858 or 2139208",
+		.capability = ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE,
+		.type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE,
+		CAP_MIDR_RANGE_LIST(trbe_overwrite_fill_mode_cpus),
+	},
+#endif
+#ifdef CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE
+	{
+		.desc = "ARM erratum 2067961 or 2054223",
+		.capability = ARM64_WORKAROUND_TSB_FLUSH_FAILURE,
+		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
+#ifdef CONFIG_ARM64_ERRATUM_2077057
+	{
+		.desc = "ARM erratum 2077057",
+		.capability = ARM64_WORKAROUND_2077057,
+		ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A510, 0, 0, 2),
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2064142
+	{
+		.desc = "ARM erratum 2064142",
+		.capability = ARM64_WORKAROUND_2064142,
+
+		/* Cortex-A510 r0p0 - r0p2 */
+		ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A510, 0, 0, 2)
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2457168
+	{
+		.desc = "ARM erratum 2457168",
+		.capability = ARM64_WORKAROUND_2457168,
+		.type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE,
+
+		/* Cortex-A510 r0p0-r1p1 */
+		CAP_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1)
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2038923
+	{
+		.desc = "ARM erratum 2038923",
+		.capability = ARM64_WORKAROUND_2038923,
+
+		/* Cortex-A510 r0p0 - r0p2 */
+		ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A510, 0, 0, 2)
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1902691
+	{
+		.desc = "ARM erratum 1902691",
+		.capability = ARM64_WORKAROUND_1902691,
+
+		/* Cortex-A510 r0p0 - r0p1 */
+		ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A510, 0, 0, 1)
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+	{
+		.desc = "ARM erratum 1742098",
+		.capability = ARM64_WORKAROUND_1742098,
+		CAP_MIDR_RANGE_LIST(broken_aarch32_aes),
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_2658417
+	{
+		.desc = "ARM erratum 2658417",
+		.capability = ARM64_WORKAROUND_2658417,
+		/* Cortex-A510 r0p0 - r1p1 */
+		ERRATA_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1),
+		MIDR_FIXED(MIDR_CPU_VAR_REV(1,1), BIT(25)),
+		.cpu_enable = cpu_clear_bf16_from_user_emulation,
+	},
+#endif
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
+	{
+		.desc = "ARM erratum 2966298",
+		.capability = ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD,
+		/* Cortex-A520 r0p0 - r0p1 */
+		ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A520, 0, 0, 1),
+	},
+#endif
+#ifdef CONFIG_AMPERE_ERRATUM_AC03_CPU_38
+	{
+		.desc = "AmpereOne erratum AC03_CPU_38",
+		.capability = ARM64_WORKAROUND_AMPERE_AC03_CPU_38,
+		ERRATA_MIDR_ALL_VERSIONS(MIDR_AMPERE1),
+	},
+#endif
+	{
+	}
+};