tree 068f2e83f25e081158992fd0eee9cb4dbffdb317
parent 7e0306969020b55e5364f45a99f76c31d856ebb0
author Bipin Ravi <bipin.ravi@arm.com> 1630478203 -0500
committer Bipin Ravi <bipin.ravi@arm.com> 1630701896 -0500

errata: workaround for Neoverse N2 erratum 2138956

Neoverse N2 erratum 2138956 is a Cat B erratum that applies to
revision r0p0 and is still open. This erratum can be avoided by
inserting a sequence of 16 DMB ST instructions prior to WFI or WFE.

SDEN can be found here:
https://developer.arm.com/documentation/SDEN1982442/latest

Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: I1aac87b3075992f875451e4767b21857f596d0b2