diff options
Diffstat (limited to 'arch/arm64/kernel/cpuinfo.c')
-rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 57b641747534..07d435cf2eea 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c | |||
@@ -147,6 +147,7 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) | |||
147 | * If we have AArch32, we care about 32-bit features for compat. These | 147 | * If we have AArch32, we care about 32-bit features for compat. These |
148 | * registers should be RES0 otherwise. | 148 | * registers should be RES0 otherwise. |
149 | */ | 149 | */ |
150 | diff |= CHECK(id_dfr0, boot, cur, cpu); | ||
150 | diff |= CHECK(id_isar0, boot, cur, cpu); | 151 | diff |= CHECK(id_isar0, boot, cur, cpu); |
151 | diff |= CHECK(id_isar1, boot, cur, cpu); | 152 | diff |= CHECK(id_isar1, boot, cur, cpu); |
152 | diff |= CHECK(id_isar2, boot, cur, cpu); | 153 | diff |= CHECK(id_isar2, boot, cur, cpu); |
@@ -165,6 +166,10 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) | |||
165 | diff |= CHECK(id_pfr0, boot, cur, cpu); | 166 | diff |= CHECK(id_pfr0, boot, cur, cpu); |
166 | diff |= CHECK(id_pfr1, boot, cur, cpu); | 167 | diff |= CHECK(id_pfr1, boot, cur, cpu); |
167 | 168 | ||
169 | diff |= CHECK(mvfr0, boot, cur, cpu); | ||
170 | diff |= CHECK(mvfr1, boot, cur, cpu); | ||
171 | diff |= CHECK(mvfr2, boot, cur, cpu); | ||
172 | |||
168 | /* | 173 | /* |
169 | * Mismatched CPU features are a recipe for disaster. Don't even | 174 | * Mismatched CPU features are a recipe for disaster. Don't even |
170 | * pretend to support them. | 175 | * pretend to support them. |
@@ -189,6 +194,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) | |||
189 | info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1); | 194 | info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1); |
190 | info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1); | 195 | info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1); |
191 | 196 | ||
197 | info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1); | ||
192 | info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1); | 198 | info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1); |
193 | info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1); | 199 | info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1); |
194 | info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1); | 200 | info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1); |
@@ -202,6 +208,10 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) | |||
202 | info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1); | 208 | info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1); |
203 | info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1); | 209 | info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1); |
204 | 210 | ||
211 | info->reg_mvfr0 = read_cpuid(MVFR0_EL1); | ||
212 | info->reg_mvfr1 = read_cpuid(MVFR1_EL1); | ||
213 | info->reg_mvfr2 = read_cpuid(MVFR2_EL1); | ||
214 | |||
205 | cpuinfo_detect_icache_policy(info); | 215 | cpuinfo_detect_icache_policy(info); |
206 | 216 | ||
207 | check_local_cpu_errata(); | 217 | check_local_cpu_errata(); |