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/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arm_def.h>
#include <arm_gic.h>
#include <plat_arm.h>
#include <platform.h>
#include <platform_def.h>
/******************************************************************************
* The following function is defined as weak to allow a platform to override
* the way the Legacy GICv3 driver is initialised and used.
*****************************************************************************/
#pragma weak plat_arm_gic_driver_init
#pragma weak plat_arm_gic_init
#pragma weak plat_arm_gic_cpuif_enable
#pragma weak plat_arm_gic_cpuif_disable
#pragma weak plat_arm_gic_pcpu_init
/*
* In the GICv3 Legacy mode, the Group 1 secure interrupts are treated as Group
* 0 interrupts.
*/
static const unsigned int irq_sec_array[] = {
PLAT_ARM_G0_IRQS,
PLAT_ARM_G1S_IRQS
};
void plat_arm_gic_driver_init(void)
{
arm_gic_init(PLAT_ARM_GICC_BASE,
PLAT_ARM_GICD_BASE,
PLAT_ARM_GICR_BASE,
irq_sec_array,
ARRAY_SIZE(irq_sec_array));
}
/******************************************************************************
* ARM common helper to initialize the GIC.
*****************************************************************************/
void plat_arm_gic_init(void)
{
arm_gic_setup();
}
/******************************************************************************
* ARM common helper to enable the GIC CPU interface
*****************************************************************************/
void plat_arm_gic_cpuif_enable(void)
{
arm_gic_cpuif_setup();
}
/******************************************************************************
* ARM common helper to disable the GIC CPU interface
*****************************************************************************/
void plat_arm_gic_cpuif_disable(void)
{
arm_gic_cpuif_deactivate();
}
/******************************************************************************
* ARM common helper to initialize the per-cpu distributor in GICv2 or
* redistributor interface in GICv3.
*****************************************************************************/
void plat_arm_gic_pcpu_init(void)
{
arm_gic_pcpu_distif_setup();
}
/******************************************************************************
* Stubs for Redistributor power management. Although legacy configuration isn't
* supported, these are provided for the sake of uniform GIC API
*****************************************************************************/
void plat_arm_gic_redistif_on(void)
{
return;
}
void plat_arm_gic_redistif_off(void)
{
return;
}
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