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authorAnshuman Khandual <anshuman.khandual@arm.com>2020-07-03 06:51:35 +0300
committerCatalin Marinas <catalin.marinas@arm.com>2020-07-03 18:52:04 +0300
commit853772ba8023c25b1caae56b6426ca76dae1eaff (patch)
treed684db4b22813649d7a2d8d2bb65aa6d68b579f5 /arch/arm64/include/asm/sysreg.h
parentbc67f10ad1d76a30e01c539c0043417fa34648d7 (diff)
downloadlinux-853772ba8023c25b1caae56b6426ca76dae1eaff.tar.xz
arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR1 register
Enable ETS, TWED, XNX and SPECSEI features bits in ID_AA64MMFR1 register as per ARM DDI 0487F.a specification. Suggested-by: Will Deacon <will@kernel.org> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/1593748297-1965-3-git-send-email-anshuman.khandual@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/sysreg.h')
-rw-r--r--arch/arm64/include/asm/sysreg.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 2e36dfde2570..889fa7729719 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -737,6 +737,10 @@
#endif
/* id_aa64mmfr1 */
+#define ID_AA64MMFR1_ETS_SHIFT 36
+#define ID_AA64MMFR1_TWED_SHIFT 32
+#define ID_AA64MMFR1_XNX_SHIFT 28
+#define ID_AA64MMFR1_SPECSEI_SHIFT 24
#define ID_AA64MMFR1_PAN_SHIFT 20
#define ID_AA64MMFR1_LOR_SHIFT 16
#define ID_AA64MMFR1_HPD_SHIFT 12