49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
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* Copyright (c) 2018,2020 The Linux Foundation. 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 <arch.h>
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#include <platform_def.h>
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#include <qti_plat.h>
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/* The QTI power domain tree descriptor */
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const unsigned char qti_power_domain_tree_desc[] = {
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/* One domain to represent PDC */
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PLAT_PDC_COUNT,
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/* One domain to represent RSC */
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PLAT_RSC_COUNT,
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/* There is one top-level FCM cluster */
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PLAT_CLUSTER_COUNT,
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/* No. of cores in the FCM cluster */
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PLAT_CLUSTER0_CORE_COUNT
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};
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/*******************************************************************************
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* This function returns the ARM default topology tree information.
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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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return qti_power_domain_tree_desc;
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}
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/** Function: plat_core_pos_by_mpidr
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* This function implements a part of the critical interface between the psci
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* generic layer and the platform that allows the former to query the platform
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* to convert an MPIDR to a unique linear index. An error code (-1) is returned
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* in case the MPIDR is invalid.
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*/
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int plat_core_pos_by_mpidr(u_register_t mpidr)
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{
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int core_linear_index = plat_qti_core_pos_by_mpidr(mpidr);
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if (core_linear_index < PLATFORM_CORE_COUNT) {
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return core_linear_index;
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} else {
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return -1;
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}
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}
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