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| author | James Morse <james.morse@arm.com> | 2016-02-05 14:58:47 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2016-02-18 12:00:01 +0000 |
| commit | 406e308770a92bd33995b2e5b681e86358328bb0 (patch) | |
| tree | 10e5f64f98cea36d70d1f64430de0e71cd74b145 /arch/arm64/include | |
| parent | 0f54b14e76f5302afe164dc911b049b5df836ff5 (diff) | |
| download | linux-406e308770a92bd33995b2e5b681e86358328bb0.tar.bz2 | |
arm64: add ARMv8.2 id_aa64mmfr2 boiler plate
ARMv8.2 adds a new feature register id_aa64mmfr2. This patch adds the
cpu feature boiler plate used by the actual features in later patches.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/cpu.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h index b5e9cee4b5f8..13a6103130cd 100644 --- a/arch/arm64/include/asm/cpu.h +++ b/arch/arm64/include/asm/cpu.h @@ -36,6 +36,7 @@ struct cpuinfo_arm64 { u64 reg_id_aa64isar1; u64 reg_id_aa64mmfr0; u64 reg_id_aa64mmfr1; + u64 reg_id_aa64mmfr2; u64 reg_id_aa64pfr0; u64 reg_id_aa64pfr1; diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 7d771ac01289..e9c68e636576 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -72,6 +72,7 @@ #define SYS_ID_AA64MMFR0_EL1 sys_reg(3, 0, 0, 7, 0) #define SYS_ID_AA64MMFR1_EL1 sys_reg(3, 0, 0, 7, 1) +#define SYS_ID_AA64MMFR2_EL1 sys_reg(3, 0, 0, 7, 2) #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0) #define SYS_CTR_EL0 sys_reg(3, 3, 0, 0, 1) @@ -137,6 +138,9 @@ #define ID_AA64MMFR1_VMIDBITS_SHIFT 4 #define ID_AA64MMFR1_HADBS_SHIFT 0 +/* id_aa64mmfr2 */ +#define ID_AA64MMFR2_UAO_SHIFT 4 + /* id_aa64dfr0 */ #define ID_AA64DFR0_CTX_CMPS_SHIFT 28 #define ID_AA64DFR0_WRPS_SHIFT 20 |