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