blob: ad3297196ba3c1b07ceb4b310df5b6bdbd369fba [file] [log] [blame]
#
# Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Cortex A57 specific optimisation to skip L1 cache flush when
# cluster is powered down.
SKIP_A57_L1_FLUSH_PWR_DWN ?=0
# Flag to disable the cache non-temporal hint.
# It is enabled by default.
A53_DISABLE_NON_TEMPORAL_HINT ?=1
# Flag to disable the cache non-temporal hint.
# It is enabled by default.
A57_DISABLE_NON_TEMPORAL_HINT ?=1
# Process SKIP_A57_L1_FLUSH_PWR_DWN flag
$(eval $(call assert_boolean,SKIP_A57_L1_FLUSH_PWR_DWN))
$(eval $(call add_define,SKIP_A57_L1_FLUSH_PWR_DWN))
# Process A53_DISABLE_NON_TEMPORAL_HINT flag
$(eval $(call assert_boolean,A53_DISABLE_NON_TEMPORAL_HINT))
$(eval $(call add_define,A53_DISABLE_NON_TEMPORAL_HINT))
# Process A57_DISABLE_NON_TEMPORAL_HINT flag
$(eval $(call assert_boolean,A57_DISABLE_NON_TEMPORAL_HINT))
$(eval $(call add_define,A57_DISABLE_NON_TEMPORAL_HINT))
# CPU Errata Build flags.
# These should be enabled by the platform if the erratum workaround needs to be
# applied.
# Flag to apply erratum 826319 workaround during reset. This erratum applies
# 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
# of by the rich OS.
ERRATA_A53_855873 ?=0
# Flag to apply erratum 806969 workaround during reset. This erratum applies
# only to revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_806969 ?=0
# Flag to apply erratum 813419 workaround during reset. This erratum applies
# only to revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_813419 ?=0
# Flag to apply erratum 813420 workaround during reset. This erratum applies
# only to revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_813420 ?=0
# Flag to apply erratum 826974 workaround during reset. This erratum applies
# only to revision <= r1p1 of the Cortex A57 cpu.
ERRATA_A57_826974 ?=0
# Flag to apply erratum 826977 workaround during reset. This erratum applies
# only to revision <= r1p1 of the Cortex A57 cpu.
ERRATA_A57_826977 ?=0
# Flag to apply erratum 828024 workaround during reset. This erratum applies
# only to revision <= r1p1 of the Cortex A57 cpu.
ERRATA_A57_828024 ?=0
# Flag to apply erratum 829520 workaround during reset. This erratum applies
# only to revision <= r1p2 of the Cortex A57 cpu.
ERRATA_A57_829520 ?=0
# Flag to apply erratum 833471 workaround during reset. This erratum applies
# only to revision <= r1p2 of the Cortex A57 cpu.
ERRATA_A57_833471 ?=0
# Process ERRATA_A53_826319 flag
$(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))
# Process ERRATA_A57_806969 flag
$(eval $(call assert_boolean,ERRATA_A57_806969))
$(eval $(call add_define,ERRATA_A57_806969))
# Process ERRATA_A57_813419 flag
$(eval $(call assert_boolean,ERRATA_A57_813419))
$(eval $(call add_define,ERRATA_A57_813419))
# Process ERRATA_A57_813420 flag
$(eval $(call assert_boolean,ERRATA_A57_813420))
$(eval $(call add_define,ERRATA_A57_813420))
# Process ERRATA_A57_826974 flag
$(eval $(call assert_boolean,ERRATA_A57_826974))
$(eval $(call add_define,ERRATA_A57_826974))
# Process ERRATA_A57_826977 flag
$(eval $(call assert_boolean,ERRATA_A57_826977))
$(eval $(call add_define,ERRATA_A57_826977))
# Process ERRATA_A57_828024 flag
$(eval $(call assert_boolean,ERRATA_A57_828024))
$(eval $(call add_define,ERRATA_A57_828024))
# Process ERRATA_A57_829520 flag
$(eval $(call assert_boolean,ERRATA_A57_829520))
$(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)
TF_LDFLAGS_aarch64 += --fix-cortex-a53-843419
endif
ifneq (${ERRATA_A53_835769},0)
TF_CFLAGS_aarch64 += -mfix-cortex-a53-835769
TF_LDFLAGS_aarch64 += --fix-cortex-a53-835769
endif