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review.trustedfirmware.org / TF-A / trusted-firmware-a / 901b0a3015a652d9eb66c063b0984fade9adf08f / . / plat / arm / css / sgi / sgi_topology.c
blob: 1c3b5bfc8776c7329fa57b7266278f4a50137e42 [file] [log] [blame]
Nariman Poushinb44cfc62018-02-26 06:52:04 +0000[diff] [blame]1/*
Vijayenthiran Subramaniama9fbf132019-12-27 19:27:57 +0530[diff] [blame]2 * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
Nariman Poushinb44cfc62018-02-26 06:52:04 +0000[diff] [blame]3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
Antonio Nino Diazbd9344f2019-01-25 14:30:04 +0000[diff] [blame]7#include <plat/arm/common/plat_arm.h>
8
Nariman Poushinb44cfc62018-02-26 06:52:04 +0000[diff] [blame]9/*
Vijayenthiran Subramaniama9fbf132019-12-27 19:27:57 +0530[diff] [blame]10 * Common topology related methods for SGI and RD based platforms
Nariman Poushinb44cfc62018-02-26 06:52:04 +0000[diff] [blame]11 */
Nariman Poushinb44cfc62018-02-26 06:52:04 +0000[diff] [blame]12/*******************************************************************************
13 * This function returns the core count within the cluster corresponding to
14 * `mpidr`.
15 ******************************************************************************/
16unsigned int plat_arm_get_cluster_core_count(u_register_t mpidr)
17{
Chandni Cherukuria50a5832018-08-14 15:25:34 +0530[diff] [blame]18 return CSS_SGI_MAX_CPUS_PER_CLUSTER;
Nariman Poushinb44cfc62018-02-26 06:52:04 +0000[diff] [blame]19}
Chandni Cherukuria41d1b22018-08-01 15:58:48 +0530[diff] [blame]20
Vijayenthiran Subramaniama9fbf132019-12-27 19:27:57 +0530[diff] [blame]21#if ARM_PLAT_MT
Chandni Cherukuribd3d7b42018-08-16 13:45:17 +0530[diff] [blame]22/******************************************************************************
23 * Return the number of PE's supported by the CPU.
24 *****************************************************************************/
25unsigned int plat_arm_get_cpu_pe_count(u_register_t mpidr)
26{
27 return CSS_SGI_MAX_PE_PER_CPU;
28}
Vijayenthiran Subramaniama9fbf132019-12-27 19:27:57 +0530[diff] [blame]29#endif