mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-08-15 08:57:02 +02:00
82cb2c1ad9
To make software license auditing simpler, use SPDX[0] license identifiers instead of duplicating the license text in every file. NOTE: Files that have been imported by FreeBSD have not been modified. [0]: https://spdx.org/ Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <arch.h>
|
|
#include <cci.h>
|
|
#include <plat_arm.h>
|
|
#include <platform_def.h>
|
|
#include <utils.h>
|
|
|
|
static const int cci_map[] = {
|
|
PLAT_ARM_CCI_CLUSTER0_SL_IFACE_IX,
|
|
PLAT_ARM_CCI_CLUSTER1_SL_IFACE_IX
|
|
};
|
|
|
|
/******************************************************************************
|
|
* The following functions are defined as weak to allow a platform to override
|
|
* the way ARM CCI driver is initialised and used.
|
|
*****************************************************************************/
|
|
#pragma weak plat_arm_interconnect_init
|
|
#pragma weak plat_arm_interconnect_enter_coherency
|
|
#pragma weak plat_arm_interconnect_exit_coherency
|
|
|
|
|
|
/******************************************************************************
|
|
* Helper function to initialize ARM CCI driver.
|
|
*****************************************************************************/
|
|
void plat_arm_interconnect_init(void)
|
|
{
|
|
cci_init(PLAT_ARM_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Helper function to place current master into coherency
|
|
*****************************************************************************/
|
|
void plat_arm_interconnect_enter_coherency(void)
|
|
{
|
|
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Helper function to remove current master from coherency
|
|
*****************************************************************************/
|
|
void plat_arm_interconnect_exit_coherency(void)
|
|
{
|
|
cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
|
|
}
|