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/*
* Copyright (c) 2018, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <platform.h>
#include <psci.h>
#include <stddef.h>
/*
* State IDs for local power states on the FVP.
*/
#define FVP_RUN_STATE_ID 0 /* Valid for CPUs and Clusters */
#define FVP_RETENTION_STATE_ID 1 /* Valid for only CPUs */
#define FVP_OFF_STATE_ID 2 /* Valid for CPUs and Clusters */
/*
* Suspend depth definitions for each power state
*/
typedef enum {
FVP_RUN_DEPTH = 0,
FVP_RETENTION_DEPTH,
FVP_OFF_DEPTH,
} suspend_depth_t;
/* The state property array with details of idle state possible for the core */
static const plat_state_prop_t core_state_prop[] = {
{FVP_RETENTION_DEPTH, FVP_RETENTION_STATE_ID, PSTATE_TYPE_STANDBY},
{FVP_OFF_DEPTH, FVP_OFF_STATE_ID, PSTATE_TYPE_POWERDOWN},
{0},
};
/* The state property array with details of idle state possible
for the cluster */
static const plat_state_prop_t cluster_state_prop[] = {
{FVP_OFF_DEPTH, FVP_OFF_STATE_ID, PSTATE_TYPE_POWERDOWN},
{0},
};
/* The state property array with details of idle state possible
for the system level */
static const plat_state_prop_t system_state_prop[] = {
{FVP_OFF_DEPTH, FVP_OFF_STATE_ID, PSTATE_TYPE_POWERDOWN},
{0},
};
const plat_state_prop_t *plat_get_state_prop(unsigned int level)
{
switch (level) {
case MPIDR_AFFLVL0:
return core_state_prop;
case MPIDR_AFFLVL1:
return cluster_state_prop;
case MPIDR_AFFLVL2:
return system_state_prop;
default:
return NULL;
}
}
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