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https://github.com/ARM-software/arm-trusted-firmware.git
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ee1ebbd18e
This fix modifies the order of system includes to meet the ARM TF coding standard. There are some exceptions to this change in order to retain header groupings and where there are headers within #if statements. Change-Id: Ib5b668c992d817cc860e97b29e16ef106d17e404 Signed-off-by: Isla Mitchell <isla.mitchell@arm.com>
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* Copyright (c) 2015-2016, 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 <arch.h>
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#include <platform_def.h>
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#include <sys/types.h>
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#include "qemu_private.h"
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/* The power domain tree descriptor */
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static unsigned char power_domain_tree_desc[] = {
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/* Number of root nodes */
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PLATFORM_CLUSTER_COUNT,
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/* Number of children for the first node */
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PLATFORM_CLUSTER0_CORE_COUNT,
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/* Number of children for the second node */
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PLATFORM_CLUSTER1_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 power_domain_tree_desc;
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}
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/*******************************************************************************
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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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unsigned int cluster_id, cpu_id;
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mpidr &= MPIDR_AFFINITY_MASK;
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if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK))
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return -1;
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cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
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cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
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if (cluster_id >= PLATFORM_CLUSTER_COUNT)
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return -1;
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if (cpu_id >= PLATFORM_MAX_CPUS_PER_CLUSTER)
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return -1;
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return plat_qemu_calc_core_pos(mpidr);
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}
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