17d116dccSCC Ma /* 27d116dccSCC Ma * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. 37d116dccSCC Ma * 4*82cb2c1aSdp-arm * SPDX-License-Identifier: BSD-3-Clause 57d116dccSCC Ma */ 67d116dccSCC Ma #include <arch.h> 7c4a99e89SJimmy Huang #include <platform_def.h> 87d116dccSCC Ma #include <psci.h> 97d116dccSCC Ma 103fc26aa0SKoan-Sin Tan #if ENABLE_PLAT_COMPAT 117d116dccSCC Ma unsigned int plat_get_aff_count(unsigned int aff_lvl, unsigned long mpidr) 127d116dccSCC Ma { 137d116dccSCC Ma /* Report 1 (absent) instance at levels higher that the cluster level */ 147d116dccSCC Ma if (aff_lvl > MPIDR_AFFLVL1) 15c4a99e89SJimmy Huang return PLATFORM_SYSTEM_COUNT; 167d116dccSCC Ma 177d116dccSCC Ma if (aff_lvl == MPIDR_AFFLVL1) 18c4a99e89SJimmy Huang return PLATFORM_CLUSTER_COUNT; 197d116dccSCC Ma 20c4a99e89SJimmy Huang return mpidr & 0x100 ? PLATFORM_CLUSTER1_CORE_COUNT : 21c4a99e89SJimmy Huang PLATFORM_CLUSTER0_CORE_COUNT; 227d116dccSCC Ma } 237d116dccSCC Ma 247d116dccSCC Ma unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr) 257d116dccSCC Ma { 267d116dccSCC Ma return aff_lvl <= MPIDR_AFFLVL2 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT; 277d116dccSCC Ma } 287d116dccSCC Ma 297d116dccSCC Ma int mt_setup_topology(void) 307d116dccSCC Ma { 317d116dccSCC Ma /* [TODO] Make topology configurable via SCC */ 327d116dccSCC Ma return 0; 337d116dccSCC Ma } 343fc26aa0SKoan-Sin Tan #else 353fc26aa0SKoan-Sin Tan 363fc26aa0SKoan-Sin Tan const unsigned char mtk_power_domain_tree_desc[] = { 373fc26aa0SKoan-Sin Tan /* No of root nodes */ 383fc26aa0SKoan-Sin Tan PLATFORM_SYSTEM_COUNT, 393fc26aa0SKoan-Sin Tan /* No of children for the root node */ 403fc26aa0SKoan-Sin Tan PLATFORM_CLUSTER_COUNT, 413fc26aa0SKoan-Sin Tan /* No of children for the first cluster node */ 423fc26aa0SKoan-Sin Tan PLATFORM_CLUSTER0_CORE_COUNT, 433fc26aa0SKoan-Sin Tan /* No of children for the second cluster node */ 443fc26aa0SKoan-Sin Tan PLATFORM_CLUSTER1_CORE_COUNT 453fc26aa0SKoan-Sin Tan }; 463fc26aa0SKoan-Sin Tan 473fc26aa0SKoan-Sin Tan /******************************************************************************* 483fc26aa0SKoan-Sin Tan * This function returns the MT8173 default topology tree information. 493fc26aa0SKoan-Sin Tan ******************************************************************************/ 503fc26aa0SKoan-Sin Tan const unsigned char *plat_get_power_domain_tree_desc(void) 513fc26aa0SKoan-Sin Tan { 523fc26aa0SKoan-Sin Tan return mtk_power_domain_tree_desc; 533fc26aa0SKoan-Sin Tan } 543fc26aa0SKoan-Sin Tan 553fc26aa0SKoan-Sin Tan /******************************************************************************* 563fc26aa0SKoan-Sin Tan * This function implements a part of the critical interface between the psci 573fc26aa0SKoan-Sin Tan * generic layer and the platform that allows the former to query the platform 583fc26aa0SKoan-Sin Tan * to convert an MPIDR to a unique linear index. An error code (-1) is returned 593fc26aa0SKoan-Sin Tan * in case the MPIDR is invalid. 603fc26aa0SKoan-Sin Tan ******************************************************************************/ 613fc26aa0SKoan-Sin Tan int plat_core_pos_by_mpidr(u_register_t mpidr) 623fc26aa0SKoan-Sin Tan { 633fc26aa0SKoan-Sin Tan unsigned int cluster_id, cpu_id; 643fc26aa0SKoan-Sin Tan 653fc26aa0SKoan-Sin Tan mpidr &= MPIDR_AFFINITY_MASK; 663fc26aa0SKoan-Sin Tan 673fc26aa0SKoan-Sin Tan if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) 683fc26aa0SKoan-Sin Tan return -1; 693fc26aa0SKoan-Sin Tan 703fc26aa0SKoan-Sin Tan cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; 713fc26aa0SKoan-Sin Tan cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK; 723fc26aa0SKoan-Sin Tan 733fc26aa0SKoan-Sin Tan if (cluster_id >= PLATFORM_CLUSTER_COUNT) 743fc26aa0SKoan-Sin Tan return -1; 753fc26aa0SKoan-Sin Tan 763fc26aa0SKoan-Sin Tan /* 773fc26aa0SKoan-Sin Tan * Validate cpu_id by checking whether it represents a CPU in 783fc26aa0SKoan-Sin Tan * one of the two clusters present on the platform. 793fc26aa0SKoan-Sin Tan */ 803fc26aa0SKoan-Sin Tan if (cpu_id >= PLATFORM_MAX_CPUS_PER_CLUSTER) 813fc26aa0SKoan-Sin Tan return -1; 823fc26aa0SKoan-Sin Tan 833fc26aa0SKoan-Sin Tan return (cpu_id + (cluster_id * 4)); 843fc26aa0SKoan-Sin Tan } 853fc26aa0SKoan-Sin Tan #endif 86