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-rw-r--r--lib/cpus/cpu-ops.mk29
1 files changed, 26 insertions, 3 deletions
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 260402351..e3bfc2f2e 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
@@ -20,6 +20,10 @@ WORKAROUND_CVE_2017_5715 ?=1
WORKAROUND_CVE_2018_3639 ?=1
DYNAMIC_WORKAROUND_CVE_2018_3639 ?=0
+# Flag to indicate internal or external Last level cache
+# By default internal
+NEOVERSE_N1_EXTERNAL_LLC ?=0
+
# 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))
@@ -43,6 +47,9 @@ $(eval $(call add_define,WORKAROUND_CVE_2018_3639))
$(eval $(call assert_boolean,DYNAMIC_WORKAROUND_CVE_2018_3639))
$(eval $(call add_define,DYNAMIC_WORKAROUND_CVE_2018_3639))
+$(eval $(call assert_boolean,NEOVERSE_N1_EXTERNAL_LLC))
+$(eval $(call add_define,NEOVERSE_N1_EXTERNAL_LLC))
+
ifneq (${DYNAMIC_WORKAROUND_CVE_2018_3639},0)
ifeq (${WORKAROUND_CVE_2018_3639},0)
$(error "Error: WORKAROUND_CVE_2018_3639 must be 1 if DYNAMIC_WORKAROUND_CVE_2018_3639 is 1")
@@ -234,9 +241,13 @@ ERRATA_A76_1275112 ?=0
# only to revision <= r3p0 of the Cortex A76 cpu.
ERRATA_A76_1286807 ?=0
+# Flag to apply erratum 1688305 workaround during reset. This erratum applies
+# to revisions r0p0 - r1p0 of the Hercules cpu.
+ERRATA_HERCULES_1688305 ?=0
+
# Flag to apply T32 CLREX workaround during reset. This erratum applies
# only to r0p0 and r1p0 of the Neoverse N1 cpu.
-ERRATA_N1_1043202 ?=1
+ERRATA_N1_1043202 ?=0
# Flag to apply erratum 1073348 workaround during reset. This erratum applies
# only to revision r0p0 and r1p0 of the Neoverse N1 cpu.
@@ -276,7 +287,11 @@ ERRATA_N1_1275112 ?=0
# Flag to apply erratum 1315703 workaround during reset. This erratum applies
# to revisions before r3p1 of the Neoverse N1 cpu.
-ERRATA_N1_1315703 ?=1
+ERRATA_N1_1315703 ?=0
+
+# Flag to apply erratum 1542419 workaround during reset. This erratum applies
+# to revisions r3p0 - r4p0 of the Neoverse N1 cpu.
+ERRATA_N1_1542419 ?=0
# Flag to apply DSU erratum 798953. This erratum applies to DSUs revision r0p0.
# Applying the workaround results in higher DSU power consumption on idle.
@@ -463,6 +478,10 @@ $(eval $(call add_define,ERRATA_A76_1275112))
$(eval $(call assert_boolean,ERRATA_A76_1286807))
$(eval $(call add_define,ERRATA_A76_1286807))
+# Process ERRATA_HERCULES_1688305 flag
+$(eval $(call assert_boolean,ERRATA_HERCULES_1688305))
+$(eval $(call add_define,ERRATA_HERCULES_1688305))
+
# Process ERRATA_N1_1043202 flag
$(eval $(call assert_boolean,ERRATA_N1_1043202))
$(eval $(call add_define,ERRATA_N1_1043202))
@@ -507,6 +526,10 @@ $(eval $(call add_define,ERRATA_N1_1275112))
$(eval $(call assert_boolean,ERRATA_N1_1315703))
$(eval $(call add_define,ERRATA_N1_1315703))
+# Process ERRATA_N1_1542419 flag
+$(eval $(call assert_boolean,ERRATA_N1_1542419))
+$(eval $(call add_define,ERRATA_N1_1542419))
+
# Process ERRATA_DSU_798953 flag
$(eval $(call assert_boolean,ERRATA_DSU_798953))
$(eval $(call add_define,ERRATA_DSU_798953))