xref: /rk3399_ARM-atf/lib/psci/psci_system_off.c (revision 532ed6183868036e4a4f83cd7a71b93266a3bdb7)
1*532ed618SSoby Mathew /*
2*532ed618SSoby Mathew  * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
3*532ed618SSoby Mathew  *
4*532ed618SSoby Mathew  * Redistribution and use in source and binary forms, with or without
5*532ed618SSoby Mathew  * modification, are permitted provided that the following conditions are met:
6*532ed618SSoby Mathew  *
7*532ed618SSoby Mathew  * Redistributions of source code must retain the above copyright notice, this
8*532ed618SSoby Mathew  * list of conditions and the following disclaimer.
9*532ed618SSoby Mathew  *
10*532ed618SSoby Mathew  * Redistributions in binary form must reproduce the above copyright notice,
11*532ed618SSoby Mathew  * this list of conditions and the following disclaimer in the documentation
12*532ed618SSoby Mathew  * and/or other materials provided with the distribution.
13*532ed618SSoby Mathew  *
14*532ed618SSoby Mathew  * Neither the name of ARM nor the names of its contributors may be used
15*532ed618SSoby Mathew  * to endorse or promote products derived from this software without specific
16*532ed618SSoby Mathew  * prior written permission.
17*532ed618SSoby Mathew  *
18*532ed618SSoby Mathew  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19*532ed618SSoby Mathew  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*532ed618SSoby Mathew  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*532ed618SSoby Mathew  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22*532ed618SSoby Mathew  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23*532ed618SSoby Mathew  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24*532ed618SSoby Mathew  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25*532ed618SSoby Mathew  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26*532ed618SSoby Mathew  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27*532ed618SSoby Mathew  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28*532ed618SSoby Mathew  * POSSIBILITY OF SUCH DAMAGE.
29*532ed618SSoby Mathew  */
30*532ed618SSoby Mathew 
31*532ed618SSoby Mathew #include <stddef.h>
32*532ed618SSoby Mathew #include <arch_helpers.h>
33*532ed618SSoby Mathew #include <assert.h>
34*532ed618SSoby Mathew #include <debug.h>
35*532ed618SSoby Mathew #include <platform.h>
36*532ed618SSoby Mathew #include "psci_private.h"
37*532ed618SSoby Mathew 
38*532ed618SSoby Mathew void psci_system_off(void)
39*532ed618SSoby Mathew {
40*532ed618SSoby Mathew 	psci_print_power_domain_map();
41*532ed618SSoby Mathew 
42*532ed618SSoby Mathew 	assert(psci_plat_pm_ops->system_off);
43*532ed618SSoby Mathew 
44*532ed618SSoby Mathew 	/* Notify the Secure Payload Dispatcher */
45*532ed618SSoby Mathew 	if (psci_spd_pm && psci_spd_pm->svc_system_off) {
46*532ed618SSoby Mathew 		psci_spd_pm->svc_system_off();
47*532ed618SSoby Mathew 	}
48*532ed618SSoby Mathew 
49*532ed618SSoby Mathew 	/* Call the platform specific hook */
50*532ed618SSoby Mathew 	psci_plat_pm_ops->system_off();
51*532ed618SSoby Mathew 
52*532ed618SSoby Mathew 	/* This function does not return. We should never get here */
53*532ed618SSoby Mathew }
54*532ed618SSoby Mathew 
55*532ed618SSoby Mathew void psci_system_reset(void)
56*532ed618SSoby Mathew {
57*532ed618SSoby Mathew 	psci_print_power_domain_map();
58*532ed618SSoby Mathew 
59*532ed618SSoby Mathew 	assert(psci_plat_pm_ops->system_reset);
60*532ed618SSoby Mathew 
61*532ed618SSoby Mathew 	/* Notify the Secure Payload Dispatcher */
62*532ed618SSoby Mathew 	if (psci_spd_pm && psci_spd_pm->svc_system_reset) {
63*532ed618SSoby Mathew 		psci_spd_pm->svc_system_reset();
64*532ed618SSoby Mathew 	}
65*532ed618SSoby Mathew 
66*532ed618SSoby Mathew 	/* Call the platform specific hook */
67*532ed618SSoby Mathew 	psci_plat_pm_ops->system_reset();
68*532ed618SSoby Mathew 
69*532ed618SSoby Mathew 	/* This function does not return. We should never get here */
70*532ed618SSoby Mathew }
71