You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
876 B
41 lines
876 B
/*
|
|
* 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));
|
|
}
|