16355f234SVikram Kanigiri /* 2c9263e62SDaniel Boulby * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. 36355f234SVikram Kanigiri * 482cb2c1aSdp-arm * SPDX-License-Identifier: BSD-3-Clause 56355f234SVikram Kanigiri */ 66355f234SVikram Kanigiri 76355f234SVikram Kanigiri #include <platform_def.h> 809d40e0eSAntonio Nino Diaz 909d40e0eSAntonio Nino Diaz #include <arch.h> 1009d40e0eSAntonio Nino Diaz #include <drivers/arm/cci.h> 1109d40e0eSAntonio Nino Diaz #include <lib/utils.h> 12bd9344f6SAntonio Nino Diaz #include <plat/arm/common/plat_arm.h> 136355f234SVikram Kanigiri 146355f234SVikram Kanigiri static const int cci_map[] = { 156355f234SVikram Kanigiri PLAT_ARM_CCI_CLUSTER0_SL_IFACE_IX, 166355f234SVikram Kanigiri PLAT_ARM_CCI_CLUSTER1_SL_IFACE_IX 176355f234SVikram Kanigiri }; 186355f234SVikram Kanigiri 196355f234SVikram Kanigiri /****************************************************************************** 206355f234SVikram Kanigiri * Helper function to initialize ARM CCI driver. 216355f234SVikram Kanigiri *****************************************************************************/ plat_arm_interconnect_init(void)22c9263e62SDaniel Boulbyvoid __init plat_arm_interconnect_init(void) 236355f234SVikram Kanigiri { 24*8a131571SSaivardhan Thatikonda cci_init(PLAT_ARM_CCI_BASE, cci_map, (unsigned int)ARRAY_SIZE(cci_map)); 256355f234SVikram Kanigiri } 266355f234SVikram Kanigiri 276355f234SVikram Kanigiri /****************************************************************************** 286355f234SVikram Kanigiri * Helper function to place current master into coherency 296355f234SVikram Kanigiri *****************************************************************************/ plat_arm_interconnect_enter_coherency(void)306355f234SVikram Kanigirivoid plat_arm_interconnect_enter_coherency(void) 316355f234SVikram Kanigiri { 32*8a131571SSaivardhan Thatikonda cci_enable_snoop_dvm_reqs((unsigned int)MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 336355f234SVikram Kanigiri } 346355f234SVikram Kanigiri 356355f234SVikram Kanigiri /****************************************************************************** 366355f234SVikram Kanigiri * Helper function to remove current master from coherency 376355f234SVikram Kanigiri *****************************************************************************/ plat_arm_interconnect_exit_coherency(void)386355f234SVikram Kanigirivoid plat_arm_interconnect_exit_coherency(void) 396355f234SVikram Kanigiri { 40*8a131571SSaivardhan Thatikonda cci_disable_snoop_dvm_reqs((unsigned int)MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 416355f234SVikram Kanigiri } 42