plat_topology.c

/*
 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
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 * list of conditions and the following disclaimer.
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 * 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.
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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#include <arch.h>
#include <psci.h>

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 2; /* We have two clusters */

	return mpidr & 0x100 ? 2 : 2; /* 2 cpus in cluster 1, 2 in cluster 0 */
}

unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr)
{
	return aff_lvl <= MPIDR_AFFLVL2 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT;
}

int mt_setup_topology(void)
{
	/* [TODO] Make topology configurable via SCC */
	return 0;
}