From: Suzuki K Poulose Date: Mon, 26 Mar 2018 14:12:43 +0000 (+0100) Subject: arm64: capabilities: Clean up midr range helpers X-Git-Tag: v4.19~1308^2~18 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5e7951ce19abf4113645ae789c033917356ee96f;p=platform%2Fkernel%2Flinux-rpi.git arm64: capabilities: Clean up midr range helpers We are about to introduce generic MIDR range helpers. Clean up the existing helpers in erratum handling, preparing them to use generic version. Cc: Will Deacon Cc: Mark Rutland Cc: Ard Biesheuvel Reviewed-by: Dave Martin Signed-off-by: Suzuki K Poulose Signed-off-by: Will Deacon --- diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index f5ab954..9ea1495 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -237,23 +237,38 @@ qcom_enable_link_stack_sanitization(const struct arm64_cpu_capabilities *entry) } #endif /* CONFIG_HARDEN_BRANCH_PREDICTOR */ -#define MIDR_RANGE(model, min, max) \ - .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, \ - .matches = is_affected_midr_range, \ - .midr_model = model, \ - .midr_range_min = min, \ - .midr_range_max = max - -#define MIDR_ALL_VERSIONS(model) \ - .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, \ - .matches = is_affected_midr_range, \ - .midr_model = model, \ - .midr_range_min = 0, \ +#define CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max) \ + .matches = is_affected_midr_range, \ + .midr_model = model, \ + .midr_range_min = MIDR_CPU_VAR_REV(v_min, r_min), \ + .midr_range_max = MIDR_CPU_VAR_REV(v_max, r_max) + +#define CAP_MIDR_ALL_VERSIONS(model) \ + .matches = is_affected_midr_range, \ + .midr_model = model, \ + .midr_range_min = MIDR_CPU_VAR_REV(0, 0), \ .midr_range_max = (MIDR_VARIANT_MASK | MIDR_REVISION_MASK) #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) + +/* 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) + const struct arm64_cpu_capabilities arm64_errata[] = { #if defined(CONFIG_ARM64_ERRATUM_826319) || \ defined(CONFIG_ARM64_ERRATUM_827319) || \ @@ -262,7 +277,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A53 r0p[012] */ .desc = "ARM errata 826319, 827319, 824069", .capability = ARM64_WORKAROUND_CLEAN_CACHE, - MIDR_RANGE(MIDR_CORTEX_A53, 0x00, 0x02), + ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 2), .cpu_enable = cpu_enable_cache_maint_trap, }, #endif @@ -271,7 +286,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A53 r0p[01] */ .desc = "ARM errata 819472", .capability = ARM64_WORKAROUND_CLEAN_CACHE, - MIDR_RANGE(MIDR_CORTEX_A53, 0x00, 0x01), + ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 1), .cpu_enable = cpu_enable_cache_maint_trap, }, #endif @@ -280,9 +295,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A57 r0p0 - r1p2 */ .desc = "ARM erratum 832075", .capability = ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE, - MIDR_RANGE(MIDR_CORTEX_A57, - MIDR_CPU_VAR_REV(0, 0), - MIDR_CPU_VAR_REV(1, 2)), + ERRATA_MIDR_RANGE(MIDR_CORTEX_A57, + 0, 0, + 1, 2), }, #endif #ifdef CONFIG_ARM64_ERRATUM_834220 @@ -290,9 +305,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A57 r0p0 - r1p2 */ .desc = "ARM erratum 834220", .capability = ARM64_WORKAROUND_834220, - MIDR_RANGE(MIDR_CORTEX_A57, - MIDR_CPU_VAR_REV(0, 0), - MIDR_CPU_VAR_REV(1, 2)), + ERRATA_MIDR_RANGE(MIDR_CORTEX_A57, + 0, 0, + 1, 2), }, #endif #ifdef CONFIG_ARM64_ERRATUM_843419 @@ -300,7 +315,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A53 r0p[01234] */ .desc = "ARM erratum 843419", .capability = ARM64_WORKAROUND_843419, - MIDR_RANGE(MIDR_CORTEX_A53, 0x00, 0x04), + ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4), MIDR_FIXED(0x4, BIT(8)), }, #endif @@ -309,7 +324,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A53 r0p[01234] */ .desc = "ARM erratum 845719", .capability = ARM64_WORKAROUND_845719, - MIDR_RANGE(MIDR_CORTEX_A53, 0x00, 0x04), + ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4), }, #endif #ifdef CONFIG_CAVIUM_ERRATUM_23154 @@ -317,7 +332,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cavium ThunderX, pass 1.x */ .desc = "Cavium erratum 23154", .capability = ARM64_WORKAROUND_CAVIUM_23154, - MIDR_RANGE(MIDR_THUNDERX, 0x00, 0x01), + ERRATA_MIDR_REV_RANGE(MIDR_THUNDERX, 0, 0, 1), }, #endif #ifdef CONFIG_CAVIUM_ERRATUM_27456 @@ -325,15 +340,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cavium ThunderX, T88 pass 1.x - 2.1 */ .desc = "Cavium erratum 27456", .capability = ARM64_WORKAROUND_CAVIUM_27456, - MIDR_RANGE(MIDR_THUNDERX, - MIDR_CPU_VAR_REV(0, 0), - MIDR_CPU_VAR_REV(1, 1)), + ERRATA_MIDR_RANGE(MIDR_THUNDERX, + 0, 0, + 1, 1), }, { /* Cavium ThunderX, T81 pass 1.0 */ .desc = "Cavium erratum 27456", .capability = ARM64_WORKAROUND_CAVIUM_27456, - MIDR_RANGE(MIDR_THUNDERX_81XX, 0x00, 0x00), + ERRATA_MIDR_REV(MIDR_THUNDERX_81XX, 0, 0), }, #endif #ifdef CONFIG_CAVIUM_ERRATUM_30115 @@ -341,20 +356,21 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cavium ThunderX, T88 pass 1.x - 2.2 */ .desc = "Cavium erratum 30115", .capability = ARM64_WORKAROUND_CAVIUM_30115, - MIDR_RANGE(MIDR_THUNDERX, 0x00, - (1 << MIDR_VARIANT_SHIFT) | 2), + ERRATA_MIDR_RANGE(MIDR_THUNDERX, + 0, 0, + 1, 2), }, { /* Cavium ThunderX, T81 pass 1.0 - 1.2 */ .desc = "Cavium erratum 30115", .capability = ARM64_WORKAROUND_CAVIUM_30115, - MIDR_RANGE(MIDR_THUNDERX_81XX, 0x00, 0x02), + ERRATA_MIDR_REV_RANGE(MIDR_THUNDERX_81XX, 0, 0, 2), }, { /* Cavium ThunderX, T83 pass 1.0 */ .desc = "Cavium erratum 30115", .capability = ARM64_WORKAROUND_CAVIUM_30115, - MIDR_RANGE(MIDR_THUNDERX_83XX, 0x00, 0x00), + ERRATA_MIDR_REV(MIDR_THUNDERX_83XX, 0, 0), }, #endif { @@ -368,9 +384,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { { .desc = "Qualcomm Technologies Falkor erratum 1003", .capability = ARM64_WORKAROUND_QCOM_FALKOR_E1003, - MIDR_RANGE(MIDR_QCOM_FALKOR_V1, - MIDR_CPU_VAR_REV(0, 0), - MIDR_CPU_VAR_REV(0, 0)), + ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0), }, { .desc = "Qualcomm Technologies Kryo erratum 1003", @@ -384,9 +398,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = { { .desc = "Qualcomm Technologies Falkor erratum 1009", .capability = ARM64_WORKAROUND_REPEAT_TLBI, - MIDR_RANGE(MIDR_QCOM_FALKOR_V1, - MIDR_CPU_VAR_REV(0, 0), - MIDR_CPU_VAR_REV(0, 0)), + ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0), }, #endif #ifdef CONFIG_ARM64_ERRATUM_858921 @@ -394,56 +406,56 @@ const struct arm64_cpu_capabilities arm64_errata[] = { /* Cortex-A73 all versions */ .desc = "ARM erratum 858921", .capability = ARM64_WORKAROUND_858921, - MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), }, #endif #ifdef CONFIG_HARDEN_BRANCH_PREDICTOR { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_CORTEX_A57), + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A57), .cpu_enable = enable_smccc_arch_workaround_1, }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_CORTEX_A72), + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A72), .cpu_enable = enable_smccc_arch_workaround_1, }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A73), .cpu_enable = enable_smccc_arch_workaround_1, }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_CORTEX_A75), + ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A75), .cpu_enable = enable_smccc_arch_workaround_1, }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR_V1), + ERRATA_MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR_V1), .cpu_enable = qcom_enable_link_stack_sanitization, }, { .capability = ARM64_HARDEN_BP_POST_GUEST_EXIT, - MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR_V1), + ERRATA_MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR_V1), }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR), + ERRATA_MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR), .cpu_enable = qcom_enable_link_stack_sanitization, }, { .capability = ARM64_HARDEN_BP_POST_GUEST_EXIT, - MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR), + ERRATA_MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR), }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_BRCM_VULCAN), + ERRATA_MIDR_ALL_VERSIONS(MIDR_BRCM_VULCAN), .cpu_enable = enable_smccc_arch_workaround_1, }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, - MIDR_ALL_VERSIONS(MIDR_CAVIUM_THUNDERX2), + ERRATA_MIDR_ALL_VERSIONS(MIDR_CAVIUM_THUNDERX2), .cpu_enable = enable_smccc_arch_workaround_1, }, #endif