/* * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include static const unsigned char master_to_rn_id_map[] = { PLAT_SQ_CLUSTER_TO_CCN_ID_MAP }; static const ccn_desc_t sq_ccn_desc = { .periphbase = PLAT_SQ_CCN_BASE, .num_masters = ARRAY_SIZE(master_to_rn_id_map), .master_to_rn_id_map = master_to_rn_id_map }; /****************************************************************************** * Helper function to initialize SQ CCN driver. *****************************************************************************/ void plat_sq_interconnect_init(void) { ccn_init(&sq_ccn_desc); } /****************************************************************************** * Helper function to place current master into coherency *****************************************************************************/ void plat_sq_interconnect_enter_coherency(void) { ccn_enter_snoop_dvm_domain(1 << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); } /****************************************************************************** * Helper function to remove current master from coherency *****************************************************************************/ void plat_sq_interconnect_exit_coherency(void) { ccn_exit_snoop_dvm_domain(1 << MPIDR_AFFLVL1_VAL(read_mpidr_el1())); }