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/*
* Copyright (c) 2022, Stephan Gerhold <stephan@gerhold.net>
* Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <plat/common/platform.h>
#include <platform_def.h>
static const unsigned char plat_power_domain_tree_desc[] = {
PLATFORM_SYSTEM_COUNT,
PLATFORM_CLUSTER_COUNT,
PLATFORM_CPUS_PER_CLUSTER,
#if PLATFORM_CLUSTER_COUNT > 1
PLATFORM_CPUS_PER_CLUSTER,
#endif
};
int plat_core_pos_by_mpidr(u_register_t mpidr)
{
unsigned int cluster = MPIDR_AFFLVL1_VAL(mpidr);
unsigned int core = MPIDR_AFFLVL0_VAL(mpidr);
if (MPIDR_AFFLVL3_VAL(mpidr) > 0 ||
MPIDR_AFFLVL2_VAL(mpidr) > 0 ||
cluster >= PLATFORM_CLUSTER_COUNT ||
core >= PLATFORM_CPUS_PER_CLUSTER) {
return -1;
}
return core | (cluster << PLATFORM_CPU_PER_CLUSTER_SHIFT);
}
const unsigned char *plat_get_power_domain_tree_desc(void)
{
return plat_power_domain_tree_desc;
}
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