xref: /rk3399_ARM-atf/lib/cpus/cpu-ops.mk (revision 5541bb3f61ae97b49203939f940931455b2f3037)
1*5541bb3fSSoby Mathew#
2*5541bb3fSSoby Mathew# Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
3*5541bb3fSSoby Mathew#
4*5541bb3fSSoby Mathew# Redistribution and use in source and binary forms, with or without
5*5541bb3fSSoby Mathew# modification, are permitted provided that the following conditions are met:
6*5541bb3fSSoby Mathew#
7*5541bb3fSSoby Mathew# Redistributions of source code must retain the above copyright notice, this
8*5541bb3fSSoby Mathew# list of conditions and the following disclaimer.
9*5541bb3fSSoby Mathew#
10*5541bb3fSSoby Mathew# Redistributions in binary form must reproduce the above copyright notice,
11*5541bb3fSSoby Mathew# this list of conditions and the following disclaimer in the documentation
12*5541bb3fSSoby Mathew# and/or other materials provided with the distribution.
13*5541bb3fSSoby Mathew#
14*5541bb3fSSoby Mathew# Neither the name of ARM nor the names of its contributors may be used
15*5541bb3fSSoby Mathew# to endorse or promote products derived from this software without specific
16*5541bb3fSSoby Mathew# prior written permission.
17*5541bb3fSSoby Mathew#
18*5541bb3fSSoby Mathew# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19*5541bb3fSSoby Mathew# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*5541bb3fSSoby Mathew# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*5541bb3fSSoby Mathew# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22*5541bb3fSSoby Mathew# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23*5541bb3fSSoby Mathew# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24*5541bb3fSSoby Mathew# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25*5541bb3fSSoby Mathew# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26*5541bb3fSSoby Mathew# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27*5541bb3fSSoby Mathew# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28*5541bb3fSSoby Mathew# POSSIBILITY OF SUCH DAMAGE.
29*5541bb3fSSoby Mathew#
30*5541bb3fSSoby Mathew
31*5541bb3fSSoby Mathew# Cortex A57 specific optimisation to skip L1 cache flush when
32*5541bb3fSSoby Mathew# cluster is powered down.
33*5541bb3fSSoby MathewSKIP_A57_L1_FLUSH_PWR_DWN	?=0
34*5541bb3fSSoby Mathew
35*5541bb3fSSoby Mathew# Process SKIP_A57_L1_FLUSH_PWR_DWN flag
36*5541bb3fSSoby Mathew$(eval $(call assert_boolean,SKIP_A57_L1_FLUSH_PWR_DWN))
37*5541bb3fSSoby Mathew$(eval $(call add_define,SKIP_A57_L1_FLUSH_PWR_DWN))
38*5541bb3fSSoby Mathew
39*5541bb3fSSoby Mathew
40*5541bb3fSSoby Mathew# CPU Errata Build flags. These should be enabled by the
41*5541bb3fSSoby Mathew# platform if the errata needs to be applied.
42*5541bb3fSSoby Mathew
43*5541bb3fSSoby Mathew# Flag to apply errata 806969 during reset. This errata applies only to
44*5541bb3fSSoby Mathew# revision r0p0 of the Cortex A57 cpu.
45*5541bb3fSSoby MathewERRATA_A57_806969	?=0
46*5541bb3fSSoby Mathew
47*5541bb3fSSoby Mathew# Flag to apply errata 813420 during reset. This errata applies only to
48*5541bb3fSSoby Mathew# revision r0p0 of the Cortex A57 cpu.
49*5541bb3fSSoby MathewERRATA_A57_813420	?=0
50*5541bb3fSSoby Mathew
51*5541bb3fSSoby Mathew# Process ERRATA_A57_806969 flag
52*5541bb3fSSoby Mathew$(eval $(call assert_boolean,ERRATA_A57_806969))
53*5541bb3fSSoby Mathew$(eval $(call add_define,ERRATA_A57_806969))
54*5541bb3fSSoby Mathew
55*5541bb3fSSoby Mathew# Process ERRATA_A57_813420 flag
56*5541bb3fSSoby Mathew$(eval $(call assert_boolean,ERRATA_A57_813420))
57*5541bb3fSSoby Mathew$(eval $(call add_define,ERRATA_A57_813420))
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