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/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdbool.h>
#include <arch.h>
#include <arch_helpers.h>
#include <common/debug.h>
#include <plat_imx8.h>
#include <sci/sci.h>
void __dead2 imx_system_off(void)
{
sc_pm_set_sys_power_mode(ipc_handle, SC_PM_PW_MODE_OFF);
wfi();
ERROR("power off failed.\n");
panic();
}
void __dead2 imx_system_reset(void)
{
sc_pm_reboot(ipc_handle, SC_PM_RESET_TYPE_COLD);
wfi();
ERROR("system reset failed.\n");
panic();
}
int imx_system_reset2(int is_vendor, int reset_type, u_register_t cookie)
{
const char *reset_type_name = "";
switch(reset_type) {
case PSCI_RESET2_SYSTEM_WARM_RESET:
sc_pm_reboot(ipc_handle, SC_PM_RESET_TYPE_WARM);
reset_type_name = "warm";
break;
case PSCI_RESET2_SYSTEM_COLD_RESET:
sc_pm_reboot(ipc_handle, SC_PM_RESET_TYPE_COLD);
reset_type_name = "cold";
break;
case PSCI_RESET2_SYSTEM_BOARD_RESET:
sc_pm_reset(ipc_handle, SC_PM_RESET_TYPE_BOARD);
reset_type_name = "board";
break;
default:
return PSCI_E_INVALID_PARAMS;
}
wfi();
ERROR("system %s reset failed.\n", reset_type_name);
panic();
}
int imx_validate_power_state(unsigned int power_state,
psci_power_state_t *req_state)
{
int pwr_lvl = psci_get_pstate_pwrlvl(power_state);
int pwr_type = psci_get_pstate_type(power_state);
int state_id = psci_get_pstate_id(power_state);
if (pwr_lvl > PLAT_MAX_PWR_LVL)
return PSCI_E_INVALID_PARAMS;
if (pwr_type == PSTATE_TYPE_POWERDOWN) {
req_state->pwr_domain_state[MPIDR_AFFLVL0] = PLAT_MAX_OFF_STATE;
if (!state_id)
req_state->pwr_domain_state[MPIDR_AFFLVL1] = PLAT_MAX_RET_STATE;
else
req_state->pwr_domain_state[MPIDR_AFFLVL1] = PLAT_MAX_OFF_STATE;
}
return PSCI_E_SUCCESS;
}
void imx_get_sys_suspend_power_state(psci_power_state_t *req_state)
{
unsigned int i;
for (i = IMX_PWR_LVL0; i <= PLAT_MAX_PWR_LVL; i++)
req_state->pwr_domain_state[i] = PLAT_MAX_RET_STATE;
}
void __dead2 imx_pwr_domain_pwr_down_wfi(const psci_power_state_t *target_state)
{
while (1)
wfi();
}
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