arm64: capabilities: Add support for checks based on a list of MIDRs

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Add helpers for detecting an errata on list of midr ranges
of affected CPUs, with the same work around.

Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Dave Martin <dave.martin@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Suzuki K Poulose 2018-03-26 15:12:45 +01:00 • committed by Will Deacon

parent 1df310505d

commit be5b299830

4 changed files with 60 additions and 41 deletions

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1

arch/arm64/include/asm/cpufeature.h

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9

arch/arm64/include/asm/cputype.h

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81

arch/arm64/kernel/cpu_errata.c

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10

arch/arm64/kernel/cpufeature.c

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