1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright 2020 NXP 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu * 6*91f16700Schasinglulu */ 7*91f16700Schasinglulu 8*91f16700Schasinglulu #include <arch.h> 9*91f16700Schasinglulu #include <ccn.h> 10*91f16700Schasinglulu 11*91f16700Schasinglulu #include <plat_arm.h> 12*91f16700Schasinglulu 13*91f16700Schasinglulu /****************************************************************************** 14*91f16700Schasinglulu * Helper function to place current master into coherency 15*91f16700Schasinglulu *****************************************************************************/ 16*91f16700Schasinglulu void plat_ls_interconnect_enter_coherency(unsigned int num_clusters) 17*91f16700Schasinglulu { 18*91f16700Schasinglulu ccn_enter_snoop_dvm_domain(1ULL << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 19*91f16700Schasinglulu 20*91f16700Schasinglulu for (uint32_t index = 1U; index < num_clusters; index++) { 21*91f16700Schasinglulu ccn_enter_snoop_dvm_domain(1ULL << index); 22*91f16700Schasinglulu } 23*91f16700Schasinglulu } 24*91f16700Schasinglulu 25*91f16700Schasinglulu /****************************************************************************** 26*91f16700Schasinglulu * Helper function to remove current master from coherency 27*91f16700Schasinglulu *****************************************************************************/ 28*91f16700Schasinglulu void plat_ls_interconnect_exit_coherency(void) 29*91f16700Schasinglulu { 30*91f16700Schasinglulu ccn_exit_snoop_dvm_domain(1ULL << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 31*91f16700Schasinglulu } 32