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41 lines
842 B
41 lines
842 B
/*
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* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <platform_def.h>
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#include <arch.h>
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#include <sq_common.h>
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unsigned char sq_pd_tree_desc[PLAT_CLUSTER_COUNT + 1];
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int plat_core_pos_by_mpidr(u_register_t mpidr)
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{
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unsigned int cluster_id, cpu_id;
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cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
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if (cluster_id >= PLAT_CLUSTER_COUNT)
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return -1;
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cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
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if (cpu_id >= PLAT_MAX_CORES_PER_CLUSTER)
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return -1;
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return sq_calc_core_pos(mpidr);
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}
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const unsigned char *plat_get_power_domain_tree_desc(void)
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{
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int i;
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sq_pd_tree_desc[0] = PLAT_CLUSTER_COUNT;
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for (i = 0; i < PLAT_CLUSTER_COUNT; i++)
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sq_pd_tree_desc[i + 1] = PLAT_MAX_CORES_PER_CLUSTER;
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return sq_pd_tree_desc;
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}
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