errata: workaround for Neoverse V1 errata 1791573
Neoverse V1 erratum 1791573 is a Cat B erratum present in r0p0 and
r1p0 of the V1 processor core. It is fixed in r1p1.
SDEN can be found here:
https://documentation-service.arm.com/static/60d499080320e92fa40b4625
Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: Ic6f92da4d0b995bd04ca5b1673ffeedaebb71d10
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index b1747af..b34fed6 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -372,6 +372,10 @@
# exists in revisions r0p0, r1p0, and r2p0 as well but there is no workaround.
ERRATA_N1_1946160 ?=0
+# Flag to apply erratum 1791573 workaround during reset. This erratum applies
+# to revisions r0p0 and r1p0 of the Neoverse V1 core, and was fixed in r1p1.
+ERRATA_V1_1791573 ?=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
@@ -677,6 +681,10 @@
$(eval $(call assert_boolean,ERRATA_N1_1946160))
$(eval $(call add_define,ERRATA_N1_1946160))
+# Process ERRATA_V1_1791573 flag
+$(eval $(call assert_boolean,ERRATA_V1_1791573))
+$(eval $(call add_define,ERRATA_V1_1791573))
+
# Process ERRATA_DSU_798953 flag
$(eval $(call assert_boolean,ERRATA_DSU_798953))
$(eval $(call add_define,ERRATA_DSU_798953))