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40 lines
957 B
40 lines
957 B
/*
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* Copyright (c) 2013-2016, 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 <lib/psci/psci.h>
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#include <plat_private.h>
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/*******************************************************************************
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* This function returns the RockChip 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 rockchip_power_domain_tree_desc;
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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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unsigned int cluster_id, cpu_id;
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cpu_id = mpidr & MPIDR_AFFLVL_MASK;
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#ifdef PLAT_RK_MPIDR_CLUSTER_MASK
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cluster_id = mpidr & PLAT_RK_MPIDR_CLUSTER_MASK;
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#else
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cluster_id = mpidr & MPIDR_CLUSTER_MASK;
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#endif
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cpu_id += (cluster_id >> PLAT_RK_CLST_TO_CPUID_SHIFT);
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if (cpu_id >= PLATFORM_CORE_COUNT)
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return -1;
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return cpu_id;
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}
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