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/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#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;
}