tree 84ed2784bd3bcebb2533491ab80ad91921f5261e
parent 7c229848a09ebc3aba8e3941ae1cdfceb222a768
author Sona Mathew <sonarebecca.mathew@arm.com> 1721158482 -0500
committer Govindraj Raja <govindraj.raja@arm.com> 1724189611 +0200

fix(cpus): workaround for Cortex-X4 erratum 2816013

Cortex-X4 erratum 2816013 is a Cat B erratum that applies
to all revisions <= r0p1 and is fixed in r0p2. This erratum
is only present when memory tagging is enabled.

The workaround is to set CPUACTLR5_EL1[14] to 1.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-2432808/latest

Change-Id: I546044bde6e5eedd0abf61643d25e2dd2036df5c
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
(cherry picked from commit 1e4480bb54b0f567688cfbea2119aa703fcbb7b8)