ARM: 7823/1: errata: workaround Cortex-A15 erratum 773022

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On Cortex-A15 CPUs up to and including r0p4, in certain rare sequences
of code, the loop buffer may deliver incorrect instructions. This
workaround disables the loop buffer to avoid the erratum.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Will Deacon 2013-08-20 17:29:55 +01:00 • committed by Russell King

parent 2afd0a0524

commit 84b6504f56

2 changed files with 22 additions and 1 deletions

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9

arch/arm/Kconfig

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14

arch/arm/mm/proc-v7.S

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