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/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <lib/cassert.h>
#include "plat_ls.h"
#include "platform_def.h"
unsigned char ls1043_power_domain_tree_desc[LS1043_CLUSTER_COUNT + 1];
CASSERT(LS1043_CLUSTER_COUNT && LS1043_CLUSTER_COUNT <= 256,
assert_invalid_ls1043_cluster_count);
/*******************************************************************************
* This function dynamically constructs the topology according to
* LS1043_CLUSTER_COUNT and returns it.
******************************************************************************/
const unsigned char *plat_get_power_domain_tree_desc(void)
{
int i;
ls1043_power_domain_tree_desc[0] = LS1043_CLUSTER_COUNT;
for (i = 0; i < LS1043_CLUSTER_COUNT; i++)
ls1043_power_domain_tree_desc[i + 1] =
LS1043_MAX_CPUS_PER_CLUSTER;
return ls1043_power_domain_tree_desc;
}
/*******************************************************************************
* This function returns the core count within the cluster corresponding to
* `mpidr`.
******************************************************************************/
unsigned int plat_ls_get_cluster_core_count(u_register_t mpidr)
{
return LS1043_MAX_CPUS_PER_CLUSTER;
}
/*******************************************************************************
* This function implements a part of the critical interface between the psci
* generic layer and the platform that allows the former to query the platform
* to convert an MPIDR to a unique linear index. An error code (-1) is returned
* in case the MPIDR is invalid.
******************************************************************************/
int plat_core_pos_by_mpidr(u_register_t mpidr)
{
if (ls_check_mpidr(mpidr) == -1)
return -1;
return plat_ls_calc_core_pos(mpidr);
}
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