xref: /rk3399_ARM-atf/lib/cpus/cpu-ops.mk (revision b5e6d092947c2dc5be91a40f45860f02f4ea682d)
1#
2# Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#
7# Redistributions of source code must retain the above copyright notice, this
8# list of conditions and the following disclaimer.
9#
10# Redistributions in binary form must reproduce the above copyright notice,
11# this list of conditions and the following disclaimer in the documentation
12# and/or other materials provided with the distribution.
13#
14# Neither the name of ARM nor the names of its contributors may be used
15# to endorse or promote products derived from this software without specific
16# prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29#
30
31# Cortex A57 specific optimisation to skip L1 cache flush when
32# cluster is powered down.
33SKIP_A57_L1_FLUSH_PWR_DWN	?=0
34
35# Flag to disable the cache non-temporal hint.
36# It is enabled by default.
37A53_DISABLE_NON_TEMPORAL_HINT	?=1
38
39# Flag to disable the cache non-temporal hint.
40# It is enabled by default.
41A57_DISABLE_NON_TEMPORAL_HINT	?=1
42
43# Process SKIP_A57_L1_FLUSH_PWR_DWN flag
44$(eval $(call assert_boolean,SKIP_A57_L1_FLUSH_PWR_DWN))
45$(eval $(call add_define,SKIP_A57_L1_FLUSH_PWR_DWN))
46
47# Process A53_DISABLE_NON_TEMPORAL_HINT flag
48$(eval $(call assert_boolean,A53_DISABLE_NON_TEMPORAL_HINT))
49$(eval $(call add_define,A53_DISABLE_NON_TEMPORAL_HINT))
50
51# Process A57_DISABLE_NON_TEMPORAL_HINT flag
52$(eval $(call assert_boolean,A57_DISABLE_NON_TEMPORAL_HINT))
53$(eval $(call add_define,A57_DISABLE_NON_TEMPORAL_HINT))
54
55
56# CPU Errata Build flags. These should be enabled by the
57# platform if the errata needs to be applied.
58
59# Flag to apply errata 826319 during reset. This errata applies only to
60# revision <= r0p2 of the Cortex A53 cpu.
61ERRATA_A53_826319	?=0
62
63# Flag to apply errata 836870 during reset. This errata applies only to
64# revision <= r0p3 of the Cortex A53 cpu. From r0p4 and onwards, this
65# errata is enabled by default.
66ERRATA_A53_836870	?=0
67
68# Flag to apply errata 806969 during reset. This errata applies only to
69# revision r0p0 of the Cortex A57 cpu.
70ERRATA_A57_806969	?=0
71
72# Flag to apply errata 813420 during reset. This errata applies only to
73# revision r0p0 of the Cortex A57 cpu.
74ERRATA_A57_813420	?=0
75
76# Process ERRATA_A53_826319 flag
77$(eval $(call assert_boolean,ERRATA_A53_826319))
78$(eval $(call add_define,ERRATA_A53_826319))
79
80# Process ERRATA_A53_836870 flag
81$(eval $(call assert_boolean,ERRATA_A53_836870))
82$(eval $(call add_define,ERRATA_A53_836870))
83
84# Process ERRATA_A57_806969 flag
85$(eval $(call assert_boolean,ERRATA_A57_806969))
86$(eval $(call add_define,ERRATA_A57_806969))
87
88# Process ERRATA_A57_813420 flag
89$(eval $(call assert_boolean,ERRATA_A57_813420))
90$(eval $(call add_define,ERRATA_A57_813420))
91