blob: fa6ea87b2d0b87909436dd7ed0f948cbf7dd7867 [file] [log] [blame]
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <arch.h>
#include <arch_helpers.h>
#include <drivers/arm/ccn.h>
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()));
}