errata: workaround for Neoverse V1 errata 1966096
Neoverse V1 erratum 1966096 is a Cat B erratum present in the V1
processor core. This issue is present in revisions r0p0, r1p0,
and r1p1, but the workaround only applies to r1p0 and r1p1, it is still
open.
SDEN can be found here:
https://documentation-service.arm.com/static/60d499080320e92fa40b4625
Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: Ic0b9a931e38da8a7000648e221481e17c253563b
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index f482932..4677f91 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -392,6 +392,11 @@
# to revisions r1p0 and r1p1 of the Neoverse V1 cpu.
ERRATA_V1_1940577 ?=0
+# Flag to apply erratum 1966096 workaround during reset. This erratum applies
+# to revisions r1p0 and r1p1 of the Neoverse V1 CPU and is open. This issue
+# exists in r0p0 as well but there is no workaround for that revision.
+ERRATA_V1_1966096 ?=0
+
# Flag to apply DSU erratum 798953. This erratum applies to DSUs revision r0p0.
# Applying the workaround results in higher DSU power consumption on idle.
ERRATA_DSU_798953 ?=0
@@ -717,6 +722,10 @@
$(eval $(call assert_boolean,ERRATA_V1_1940577))
$(eval $(call add_define,ERRATA_V1_1940577))
+# Process ERRATA_V1_1966096 flag
+$(eval $(call assert_boolean,ERRATA_V1_1966096))
+$(eval $(call add_define,ERRATA_V1_1966096))
+
# Process ERRATA_DSU_798953 flag
$(eval $(call assert_boolean,ERRATA_DSU_798953))
$(eval $(call add_define,ERRATA_DSU_798953))