tree 8b34dd912c4cb182a26b9a31a505eac2995142b9
parent 1432d4b86ea11160d211470a15cdcdc1e36bb0fb
author Bipin Ravi <bipin.ravi@arm.com> 1674061401 -0600
committer Varun Wadekar <vwadekar@nvidia.com> 1675445204 +0000

fix(cpus): workaround for Cortex-A78C erratum 2772121

Cortex-A78C erratum 2772121 is a Cat B erratum that applies to
all revisions <=r0p2 and is still open. The workaround is to
insert a dsb before the isb in the power down sequence.

SDEN documentation:
https://developer.arm.com/documentation/SDEN1707916/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I0e190dabffc20c4d3b9b98d1abeb50f308b80bb9
(cherry picked from commit 00230e37e3c21fed4a46eeb69dea9d808f8402b4)