cortex_a53: Add A53 errata #826319, #836870
- Apply a53 errata #826319 to revision <= r0p2
- Apply a53 errata #836870 to revision <= r0p3
- Update docs/cpu-specific-build-macros.md for newly added errata build flags
Change-Id: I44918e36b47dca1fa29695b68700ff9bf888865e
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 1c5512e..a872360 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -40,6 +40,15 @@
# CPU Errata Build flags. These should be enabled by the
# platform if the errata needs to be applied.
+# Flag to apply errata 826319 during reset. This errata applies only to
+# revision <= r0p2 of the Cortex A53 cpu.
+ERRATA_A53_826319 ?=0
+
+# Flag to apply errata 836870 during reset. This errata applies only to
+# revision <= r0p3 of the Cortex A53 cpu. From r0p4 and onwards, this
+# errata is enabled by default.
+ERRATA_A53_836870 ?=0
+
# Flag to apply errata 806969 during reset. This errata applies only to
# revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_806969 ?=0
@@ -48,6 +57,14 @@
# revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_813420 ?=0
+# Process ERRATA_A53_826319 flag
+$(eval $(call assert_boolean,ERRATA_A53_826319))
+$(eval $(call add_define,ERRATA_A53_826319))
+
+# Process ERRATA_A53_836870 flag
+$(eval $(call assert_boolean,ERRATA_A53_836870))
+$(eval $(call add_define,ERRATA_A53_836870))
+
# Process ERRATA_A57_806969 flag
$(eval $(call assert_boolean,ERRATA_A57_806969))
$(eval $(call add_define,ERRATA_A57_806969))