1*54fd6939SJiyong Park /* 2*54fd6939SJiyong Park * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park */ 6*54fd6939SJiyong Park 7*54fd6939SJiyong Park #include <platform_def.h> 8*54fd6939SJiyong Park 9*54fd6939SJiyong Park #include <arch.h> 10*54fd6939SJiyong Park #include <arch_helpers.h> 11*54fd6939SJiyong Park #include <drivers/arm/ccn.h> 12*54fd6939SJiyong Park 13*54fd6939SJiyong Park static const unsigned char master_to_rn_id_map[] = { 14*54fd6939SJiyong Park PLAT_SQ_CLUSTER_TO_CCN_ID_MAP 15*54fd6939SJiyong Park }; 16*54fd6939SJiyong Park 17*54fd6939SJiyong Park static const ccn_desc_t sq_ccn_desc = { 18*54fd6939SJiyong Park .periphbase = PLAT_SQ_CCN_BASE, 19*54fd6939SJiyong Park .num_masters = ARRAY_SIZE(master_to_rn_id_map), 20*54fd6939SJiyong Park .master_to_rn_id_map = master_to_rn_id_map 21*54fd6939SJiyong Park }; 22*54fd6939SJiyong Park 23*54fd6939SJiyong Park /****************************************************************************** 24*54fd6939SJiyong Park * Helper function to initialize SQ CCN driver. 25*54fd6939SJiyong Park *****************************************************************************/ plat_sq_interconnect_init(void)26*54fd6939SJiyong Parkvoid plat_sq_interconnect_init(void) 27*54fd6939SJiyong Park { 28*54fd6939SJiyong Park ccn_init(&sq_ccn_desc); 29*54fd6939SJiyong Park } 30*54fd6939SJiyong Park 31*54fd6939SJiyong Park /****************************************************************************** 32*54fd6939SJiyong Park * Helper function to place current master into coherency 33*54fd6939SJiyong Park *****************************************************************************/ plat_sq_interconnect_enter_coherency(void)34*54fd6939SJiyong Parkvoid plat_sq_interconnect_enter_coherency(void) 35*54fd6939SJiyong Park { 36*54fd6939SJiyong Park ccn_enter_snoop_dvm_domain(1 << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 37*54fd6939SJiyong Park } 38*54fd6939SJiyong Park 39*54fd6939SJiyong Park /****************************************************************************** 40*54fd6939SJiyong Park * Helper function to remove current master from coherency 41*54fd6939SJiyong Park *****************************************************************************/ plat_sq_interconnect_exit_coherency(void)42*54fd6939SJiyong Parkvoid plat_sq_interconnect_exit_coherency(void) 43*54fd6939SJiyong Park { 44*54fd6939SJiyong Park ccn_exit_snoop_dvm_domain(1 << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 45*54fd6939SJiyong Park } 46