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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup arm_gic
*
* @brief ARM GIC TM27 Support
*/
/*
* Copyright (C) 2013, 2014 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 OWNER 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.
*/
#ifndef _RTEMS_TMTEST27
#error "This is an RTEMS internal file you must not include directly."
#endif
#ifndef LIBBSP_ARM_SHARED_ARM_GIC_TM27_H
#define LIBBSP_ARM_SHARED_ARM_GIC_TM27_H
#include <bsp.h>
#include <bsp/irq.h>
#include <rtems/score/assert.h>
#define MUST_WAIT_FOR_INTERRUPT 1
#ifndef ARM_GIC_TM27_IRQ_LOW
#define ARM_GIC_TM27_IRQ_LOW ARM_GIC_IRQ_SGI_12
#endif
#ifndef ARM_GIC_TM27_IRQ_HIGH
#define ARM_GIC_TM27_IRQ_HIGH ARM_GIC_IRQ_SGI_13
#endif
#define ARM_GIC_TM27_PRIO_LOW 0x80
#define ARM_GIC_TM27_PRIO_HIGH 0x00
static inline void Install_tm27_vector( rtems_interrupt_handler handler )
{
static rtems_interrupt_entry entry_low;
static rtems_interrupt_entry entry_high;
rtems_status_code sc;
rtems_interrupt_entry_initialize(
&entry_low,
handler,
NULL,
"tm27 low"
);
sc = rtems_interrupt_entry_install(
ARM_GIC_TM27_IRQ_LOW,
RTEMS_INTERRUPT_UNIQUE,
&entry_low
);
_Assert_Unused_variable_equals( sc, RTEMS_SUCCESSFUL );
sc = arm_gic_irq_set_priority(
ARM_GIC_TM27_IRQ_LOW,
ARM_GIC_TM27_PRIO_LOW
);
_Assert_Unused_variable_equals( sc, RTEMS_SUCCESSFUL );
rtems_interrupt_entry_initialize(
&entry_high,
handler,
NULL,
"tm27 high"
);
sc = rtems_interrupt_entry_install(
ARM_GIC_TM27_IRQ_HIGH,
RTEMS_INTERRUPT_UNIQUE,
&entry_high
);
_Assert_Unused_variable_equals( sc, RTEMS_SUCCESSFUL );
sc = arm_gic_irq_set_priority(
ARM_GIC_TM27_IRQ_HIGH,
ARM_GIC_TM27_PRIO_HIGH
);
_Assert_Unused_variable_equals( sc, RTEMS_SUCCESSFUL );
}
static inline void Cause_tm27_intr(void)
{
rtems_status_code sc;
sc = arm_gic_irq_generate_software_irq(
ARM_GIC_TM27_IRQ_LOW,
1U << _SMP_Get_current_processor()
);
_Assert_Unused_variable_equals( sc, RTEMS_SUCCESSFUL );
}
static inline void Clear_tm27_intr(void)
{
/* Nothing to do */
}
static inline void Lower_tm27_intr(void)
{
rtems_status_code sc;
sc = arm_gic_irq_generate_software_irq(
ARM_GIC_TM27_IRQ_HIGH,
1U << _SMP_Get_current_processor()
);
_Assert_Unused_variable_equals( sc, RTEMS_SUCCESSFUL );
}
#endif /* LIBBSP_ARM_SHARED_ARM_GIC_TM27_H */
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