65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arch.h>
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#include <psci.h>
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#include <platform_def.h>
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/*
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* Weak definitions use fixed topology. Strong definitions could make topology
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* configurable
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*/
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#pragma weak plat_get_aff_count
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#pragma weak plat_get_aff_state
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#pragma weak plat_arm_topology_setup
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unsigned int plat_get_aff_count(unsigned int aff_lvl, unsigned long mpidr)
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{
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/* Report 1 (absent) instance at levels higher that the cluster level */
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if (aff_lvl > MPIDR_AFFLVL1)
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return 1;
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if (aff_lvl == MPIDR_AFFLVL1)
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return ARM_CLUSTER_COUNT;
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return mpidr & 0x100 ? PLAT_ARM_CLUSTER1_CORE_COUNT :
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PLAT_ARM_CLUSTER0_CORE_COUNT;
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}
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unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr)
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{
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return aff_lvl <= MPIDR_AFFLVL1 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT;
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}
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void plat_arm_topology_setup(void)
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{
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}
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