| # |
| # 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 |