xref: /rk3399_ARM-atf/plat/imx/imx8m/imx8mn/imx8mn_psci.c (revision 58fdd608a495ebc969c8f1cb39ba1705df3b277c)
1*58fdd608SJacky Bai /*
2*58fdd608SJacky Bai  * Copyright 2019-2020 NXP
3*58fdd608SJacky Bai  *
4*58fdd608SJacky Bai  * SPDX-License-Identifier: BSD-3-Clause
5*58fdd608SJacky Bai  */
6*58fdd608SJacky Bai 
7*58fdd608SJacky Bai #include <stdbool.h>
8*58fdd608SJacky Bai 
9*58fdd608SJacky Bai #include <arch.h>
10*58fdd608SJacky Bai #include <arch_helpers.h>
11*58fdd608SJacky Bai #include <common/debug.h>
12*58fdd608SJacky Bai #include <lib/mmio.h>
13*58fdd608SJacky Bai #include <lib/psci/psci.h>
14*58fdd608SJacky Bai 
15*58fdd608SJacky Bai #include <gpc.h>
16*58fdd608SJacky Bai #include <imx8m_psci.h>
17*58fdd608SJacky Bai #include <plat_imx8.h>
18*58fdd608SJacky Bai 
19*58fdd608SJacky Bai static const plat_psci_ops_t imx_plat_psci_ops = {
20*58fdd608SJacky Bai 	.pwr_domain_on = imx_pwr_domain_on,
21*58fdd608SJacky Bai 	.pwr_domain_on_finish = imx_pwr_domain_on_finish,
22*58fdd608SJacky Bai 	.pwr_domain_off = imx_pwr_domain_off,
23*58fdd608SJacky Bai 	.validate_ns_entrypoint = imx_validate_ns_entrypoint,
24*58fdd608SJacky Bai 	.validate_power_state = imx_validate_power_state,
25*58fdd608SJacky Bai 	.cpu_standby = imx_cpu_standby,
26*58fdd608SJacky Bai 	.pwr_domain_suspend = imx_domain_suspend,
27*58fdd608SJacky Bai 	.pwr_domain_suspend_finish = imx_domain_suspend_finish,
28*58fdd608SJacky Bai 	.pwr_domain_pwr_down_wfi = imx_pwr_domain_pwr_down_wfi,
29*58fdd608SJacky Bai 	.get_sys_suspend_power_state = imx_get_sys_suspend_power_state,
30*58fdd608SJacky Bai 	.system_reset = imx_system_reset,
31*58fdd608SJacky Bai 	.system_off = imx_system_off,
32*58fdd608SJacky Bai };
33*58fdd608SJacky Bai 
34*58fdd608SJacky Bai /* export the platform specific psci ops */
35*58fdd608SJacky Bai int plat_setup_psci_ops(uintptr_t sec_entrypoint,
36*58fdd608SJacky Bai 			const plat_psci_ops_t **psci_ops)
37*58fdd608SJacky Bai {
38*58fdd608SJacky Bai 	/* sec_entrypoint is used for warm reset */
39*58fdd608SJacky Bai 	imx_mailbox_init(sec_entrypoint);
40*58fdd608SJacky Bai 
41*58fdd608SJacky Bai 	*psci_ops = &imx_plat_psci_ops;
42*58fdd608SJacky Bai 
43*58fdd608SJacky Bai 	return 0;
44*58fdd608SJacky Bai }
45