Cortex-A15: Implement workaround for errata 827671
This erratum can only be worked around on revisions >= r3p0 because the
register that needs to be accessed only exists in those revisions[1].
[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0438g/CIHEAAAD.html
Change-Id: I5d773547d7a09b5bd01dabcd19ceeaf53c186faa
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index a82db10..f178f1a 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -57,6 +57,10 @@
# applies only to revision >= r3p0 of the Cortex A15 cpu.
ERRATA_A15_816470 ?=0
+# Flag to apply erratum 827671 workaround during reset. This erratum applies
+# only to revision >= r3p0 of the Cortex A15 cpu.
+ERRATA_A15_827671 ?=0
+
# Flag to apply erratum 819472 workaround during reset. This erratum applies
# only to revision <= r0p1 of the Cortex A53 cpu.
ERRATA_A53_819472 ?=0
@@ -204,6 +208,10 @@
$(eval $(call assert_boolean,ERRATA_A15_816470))
$(eval $(call add_define,ERRATA_A15_816470))
+# Process ERRATA_A15_827671 flag
+$(eval $(call assert_boolean,ERRATA_A15_827671))
+$(eval $(call add_define,ERRATA_A15_827671))
+
# Process ERRATA_A53_819472 flag
$(eval $(call assert_boolean,ERRATA_A53_819472))
$(eval $(call add_define,ERRATA_A53_819472))