1*54fd6939SJiyong Park /* 2*54fd6939SJiyong Park * Copyright 2020 NXP 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park * 6*54fd6939SJiyong Park */ 7*54fd6939SJiyong Park 8*54fd6939SJiyong Park #include <arch.h> 9*54fd6939SJiyong Park #include <ccn.h> 10*54fd6939SJiyong Park 11*54fd6939SJiyong Park #include <plat_arm.h> 12*54fd6939SJiyong Park 13*54fd6939SJiyong Park /****************************************************************************** 14*54fd6939SJiyong Park * Helper function to place current master into coherency 15*54fd6939SJiyong Park *****************************************************************************/ plat_ls_interconnect_enter_coherency(unsigned int num_clusters)16*54fd6939SJiyong Parkvoid plat_ls_interconnect_enter_coherency(unsigned int num_clusters) 17*54fd6939SJiyong Park { 18*54fd6939SJiyong Park ccn_enter_snoop_dvm_domain(1ULL << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 19*54fd6939SJiyong Park 20*54fd6939SJiyong Park for (uint32_t index = 1U; index < num_clusters; index++) { 21*54fd6939SJiyong Park ccn_enter_snoop_dvm_domain(1ULL << index); 22*54fd6939SJiyong Park } 23*54fd6939SJiyong Park } 24*54fd6939SJiyong Park 25*54fd6939SJiyong Park /****************************************************************************** 26*54fd6939SJiyong Park * Helper function to remove current master from coherency 27*54fd6939SJiyong Park *****************************************************************************/ plat_ls_interconnect_exit_coherency(void)28*54fd6939SJiyong Parkvoid plat_ls_interconnect_exit_coherency(void) 29*54fd6939SJiyong Park { 30*54fd6939SJiyong Park ccn_exit_snoop_dvm_domain(1ULL << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 31*54fd6939SJiyong Park } 32