xref: /rk3399_ARM-atf/lib/cpus/cpu-ops.mk (revision e40e075f4ddf63aa84d2aaacb807ed40438f1d24)
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 $(call add_define,A57_DISABLE_NON_TEMPORAL_HINT))
54
55
56# CPU Errata Build flags.
57# These should be enabled by the platform if the erratum workaround needs to be
58# applied.
59
60# Flag to apply erratum 826319 workaround during reset. This erratum applies
61# only to revision <= r0p2 of the Cortex A53 cpu.
62ERRATA_A53_826319	?=0
63
64# Flag to apply erratum 836870 workaround during reset. This erratum applies
65# only to revision <= r0p3 of the Cortex A53 cpu. From r0p4 and onwards, this
66# erratum workaround is enabled by default in hardware.
67ERRATA_A53_836870	?=0
68
69# Flag to apply erratum 806969 workaround during reset. This erratum applies
70# only to revision r0p0 of the Cortex A57 cpu.
71ERRATA_A57_806969	?=0
72
73# Flag to apply erratum 813420  workaround during reset. This erratum applies
74# only to revision r0p0 of the Cortex A57 cpu.
75ERRATA_A57_813420	?=0
76
77# Flag to apply erratum 826974 workaround during reset. This erratum applies
78# only to revision <= r1p1 of the Cortex A57 cpu.
79ERRATA_A57_826974	?=0
80
81# Flag to apply erratum 826977 workaround during reset. This erratum applies
82# only to revision <= r1p1 of the Cortex A57 cpu.
83ERRATA_A57_826977	?=0
84
85# Flag to apply erratum 828024 workaround during reset. This erratum applies
86# only to revision <= r1p1 of the Cortex A57 cpu.
87ERRATA_A57_828024	?=0
88
89# Flag to apply erratum 829520 workaround during reset. This erratum applies
90# only to revision <= r1p2 of the Cortex A57 cpu.
91ERRATA_A57_829520	?=0
92
93# Flag to apply erratum 833471 workaround during reset. This erratum applies
94# only to revision <= r1p2 of the Cortex A57 cpu.
95ERRATA_A57_833471	?=0
96
97# Process ERRATA_A53_826319 flag
98$(eval $(call assert_boolean,ERRATA_A53_826319))
99$(eval $(call add_define,ERRATA_A53_826319))
100
101# Process ERRATA_A53_836870 flag
102$(eval $(call assert_boolean,ERRATA_A53_836870))
103$(eval $(call add_define,ERRATA_A53_836870))
104
105# Process ERRATA_A57_806969 flag
106$(eval $(call assert_boolean,ERRATA_A57_806969))
107$(eval $(call add_define,ERRATA_A57_806969))
108
109# Process ERRATA_A57_813420 flag
110$(eval $(call assert_boolean,ERRATA_A57_813420))
111$(eval $(call add_define,ERRATA_A57_813420))
112
113# Process ERRATA_A57_826974 flag
114$(eval $(call assert_boolean,ERRATA_A57_826974))
115$(eval $(call add_define,ERRATA_A57_826974))
116
117# Process ERRATA_A57_826977 flag
118$(eval $(call assert_boolean,ERRATA_A57_826977))
119$(eval $(call add_define,ERRATA_A57_826977))
120
121# Process ERRATA_A57_828024 flag
122$(eval $(call assert_boolean,ERRATA_A57_828024))
123$(eval $(call add_define,ERRATA_A57_828024))
124
125# Process ERRATA_A57_829520 flag
126$(eval $(call assert_boolean,ERRATA_A57_829520))
127$(eval $(call add_define,ERRATA_A57_829520))
128
129# Process ERRATA_A57_833471 flag
130$(eval $(call assert_boolean,ERRATA_A57_833471))
131$(eval $(call add_define,ERRATA_A57_833471))
132