blob: 5e14d17fa27f0cfb5a28002f09a95e600f30c539 [file] [log] [blame]
/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <arch_helpers.h>
#include <plat/common/platform.h>
const unsigned char imx_power_domain_tree_desc[] = {
PWR_DOMAIN_AT_MAX_LVL,
PLATFORM_CLUSTER_COUNT,
PLATFORM_CLUSTER0_CORE_COUNT,
PLATFORM_CLUSTER1_CORE_COUNT,
};
const unsigned char *plat_get_power_domain_tree_desc(void)
{
return imx_power_domain_tree_desc;
}
int plat_core_pos_by_mpidr(u_register_t mpidr)
{
unsigned int cluster_id, cpu_id;
mpidr &= MPIDR_AFFINITY_MASK;
if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK))
return -1;
cluster_id = MPIDR_AFFLVL1_VAL(mpidr);
cpu_id = MPIDR_AFFLVL0_VAL(mpidr);
if (cluster_id > PLATFORM_CLUSTER_COUNT ||
cpu_id > PLATFORM_MAX_CPU_PER_CLUSTER)
return -1;
return (cpu_id + (cluster_id * 4));
}