fix(errata): workaround for Cortex-A510 erratum 2041909
Cortex-A510 erratum 2041909 is a Cat B erratum that applies to revision
r0p2 and is fixed in r0p3. It is also present in r0p0 and r0p1 but there
is no workaround in these revisions.
SDEN can be found here:
https://developer.arm.com/documentation/SDEN2397239
Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I7b1498faa0c79488dee0d11d07f6e9f58144e298
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 53f5e74..107753e 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -543,6 +543,11 @@
# to revisions r0p0, r0p1 and r0p2 of the Cortex-A510 cpu and is fixed in r0p3.
ERRATA_A510_2042739 ?=0
+# Flag to apply erratum 2041909 workaround during reset. This erratum applies
+# to revision r0p2 of the Cortex-A510 cpu and is fixed in r0p3. The issue is
+# present in r0p0 and r0p1 but there is no workaround for those revisions.
+ERRATA_A510_2041909 ?=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
@@ -1012,6 +1017,10 @@
$(eval $(call assert_boolean,ERRATA_A510_2042739))
$(eval $(call add_define,ERRATA_A510_2042739))
+# Process ERRATA_A510_2041909 flag
+$(eval $(call assert_boolean,ERRATA_A510_2041909))
+$(eval $(call add_define,ERRATA_A510_2041909))
+
# Process ERRATA_DSU_798953 flag
$(eval $(call assert_boolean,ERRATA_DSU_798953))
$(eval $(call add_define,ERRATA_DSU_798953))