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-rw-r--r--lib/cpus/cpu-ops.mk31
1 files changed, 30 insertions, 1 deletions
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 9f1dea49..218a5482 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -37,11 +37,22 @@ $(eval $(call add_define,A57_DISABLE_NON_TEMPORAL_HINT))
# only to revision <= r0p2 of the Cortex A53 cpu.
ERRATA_A53_826319 ?=0
+# Flag to apply erratum 835769 workaround at compile and link time. This
+# erratum applies to revision <= r0p4 of the Cortex A53 cpu. Enabling this
+# workaround can lead the linker to create "*.stub" sections.
+ERRATA_A53_835769 ?=0
+
# Flag to apply erratum 836870 workaround during reset. This erratum applies
# only to revision <= r0p3 of the Cortex A53 cpu. From r0p4 and onwards, this
# erratum workaround is enabled by default in hardware.
ERRATA_A53_836870 ?=0
+# Flag to apply erratum 843419 workaround at link time.
+# This erratum applies to revision <= r0p4 of the Cortex A53 cpu. Enabling this
+# workaround could lead the linker to emit "*.stub" sections which are 4kB
+# aligned.
+ERRATA_A53_843419 ?=0
+
# Flag to apply errata 855873 during reset. This errata applies to all
# revisions of the Cortex A53 CPU, but this firmware workaround only works
# for revisions r0p3 and higher. Earlier revisions are taken care
@@ -84,10 +95,18 @@ ERRATA_A57_833471 ?=0
$(eval $(call assert_boolean,ERRATA_A53_826319))
$(eval $(call add_define,ERRATA_A53_826319))
+# Process ERRATA_A53_835769 flag
+$(eval $(call assert_boolean,ERRATA_A53_835769))
+$(eval $(call add_define,ERRATA_A53_835769))
+
# Process ERRATA_A53_836870 flag
$(eval $(call assert_boolean,ERRATA_A53_836870))
$(eval $(call add_define,ERRATA_A53_836870))
+# Process ERRATA_A53_843419 flag
+$(eval $(call assert_boolean,ERRATA_A53_843419))
+$(eval $(call add_define,ERRATA_A53_843419))
+
# Process ERRATA_A53_855873 flag
$(eval $(call assert_boolean,ERRATA_A53_855873))
$(eval $(call add_define,ERRATA_A53_855873))
@@ -123,3 +142,13 @@ $(eval $(call add_define,ERRATA_A57_829520))
# Process ERRATA_A57_833471 flag
$(eval $(call assert_boolean,ERRATA_A57_833471))
$(eval $(call add_define,ERRATA_A57_833471))
+
+# Errata build flags
+ifneq (${ERRATA_A53_843419},0)
+LDFLAGS_aarch64 += --fix-cortex-a53-843419
+endif
+
+ifneq (${ERRATA_A53_835769},0)
+TF_CFLAGS_aarch64 += -mfix-cortex-a53-835769
+LDFLAGS_aarch64 += --fix-cortex-a53-835769
+endif