diff options
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/cpu.h | 2 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 7 | ||||
| -rw-r--r-- | arch/arm64/include/asm/cputype.h | 15 | ||||
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 2 |
4 files changed, 11 insertions, 15 deletions
diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h index 8e797b2fcc01..30db691b0b7e 100644 --- a/arch/arm64/include/asm/cpu.h +++ b/arch/arm64/include/asm/cpu.h @@ -63,4 +63,6 @@ DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data); void cpuinfo_store_cpu(void); void __init cpuinfo_store_boot_cpu(void); +void update_cpu_features(struct cpuinfo_arm64 *info); + #endif /* __ASM_CPU_H */ diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index b7769f698a75..b5f313d42d79 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -10,6 +10,7 @@ #define __ASM_CPUFEATURE_H #include <asm/hwcap.h> +#include <asm/sysreg.h> /* * In the arm64 world (as in the ARM world), elf_hwcap is used both internally @@ -81,6 +82,12 @@ static inline int __attribute_const__ cpuid_feature_extract_field(u64 features, return (s64)(features << (64 - 4 - field)) >> (64 - 4); } +static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0) +{ + return cpuid_feature_extract_field(mmfr0, ID_AA64MMFR0_BIGENDEL_SHIFT) == 0x1 || + cpuid_feature_extract_field(mmfr0, ID_AA64MMFR0_BIGENDEL0_SHIFT) == 0x1; +} + void __init setup_cpu_features(void); void check_cpu_capabilities(const struct arm64_cpu_capabilities *caps, diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index ee6403df9fe4..31678b2f295f 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -72,15 +72,6 @@ #define APM_CPU_PART_POTENZA 0x000 -#define ID_AA64MMFR0_BIGENDEL0_SHIFT 16 -#define ID_AA64MMFR0_BIGENDEL0_MASK (0xf << ID_AA64MMFR0_BIGENDEL0_SHIFT) -#define ID_AA64MMFR0_BIGENDEL0(mmfr0) \ - (((mmfr0) & ID_AA64MMFR0_BIGENDEL0_MASK) >> ID_AA64MMFR0_BIGENDEL0_SHIFT) -#define ID_AA64MMFR0_BIGEND_SHIFT 8 -#define ID_AA64MMFR0_BIGEND_MASK (0xf << ID_AA64MMFR0_BIGEND_SHIFT) -#define ID_AA64MMFR0_BIGEND(mmfr0) \ - (((mmfr0) & ID_AA64MMFR0_BIGEND_MASK) >> ID_AA64MMFR0_BIGEND_SHIFT) - #ifndef __ASSEMBLY__ /* @@ -112,12 +103,6 @@ static inline u32 __attribute_const__ read_cpuid_cachetype(void) { return read_cpuid(CTR_EL0); } - -static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0) -{ - return (ID_AA64MMFR0_BIGEND(mmfr0) == 0x1) || - (ID_AA64MMFR0_BIGENDEL0(mmfr0) == 0x1); -} #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 4b57e1080538..061a2792179a 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -44,6 +44,8 @@ #define SET_PSTATE_PAN(x) __inst_arm(0xd5000000 | REG_PSTATE_PAN_IMM |\ (!!x)<<8 | 0x1f) +#define ID_AA64MMFR0_BIGENDEL0_SHIFT 16 +#define ID_AA64MMFR0_BIGENDEL_SHIFT 8 #define ID_AA64MMFR0_TGRAN4_SHIFT 28 #define ID_AA64MMFR0_TGRAN64_SHIFT 24 |