fix(cpus): workaround for Cortex-A510 erratum 2666669
Cortex-A510 erratum 2666669 applies to revisions r1p1 and lower,
and is fixed in r1p2. The errata is mitigated by setting
IMP_CPUACTLR_EL1[38] to 1.
SDEN documentation:
https://developer.arm.com/documentation/SDEN1873351/latest
https://developer.arm.com/documentation/SDEN1873361/latest
Signed-off-by: Akram Ahmad <Akram.Ahmad@arm.com>
Change-Id: Ief27e4a155e43e75f05f2710d0c7bd5da2dec43f
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 8b790bc..ec0d95e 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -674,6 +674,10 @@
# to revisions r0p0, r0p1, r0p2, r0p3, r1p0, and r1p1. It is fixed in r1p2.
ERRATA_A510_2371937 ?=0
+# Flag to apply erratum 2666669 workaround during reset. This erratum applies
+# to revisions r0p0, r0p1, r0p2, r0p3, r1p0, and r1p1. It is fixed in r1p2.
+ERRATA_A510_2666669 ?=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
@@ -1272,7 +1276,11 @@
$(eval $(call assert_boolean,ERRATA_A510_2371937))
$(eval $(call add_define,ERRATA_A510_2371937))
-# Process ERRATA_DSU_798953 flag
+# Process ERRATA_A510_2666669 flag
+$(eval $(call assert_boolean,ERRATA_A510_2666669))
+$(eval $(call add_define,ERRATA_A510_2666669))
+
+#Process ERRATA_DSU_798953 flag
$(eval $(call assert_boolean,ERRATA_DSU_798953))
$(eval $(call add_define,ERRATA_DSU_798953))