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/*
* Copyright (c) 2016, Toradex AG
* All rights reserved.
*
* 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.
* 3. Neither the name of Mentor Graphics Corporation 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.
*/
/**************************************************************************
* FILE NAME
*
* platform.c
*
* DESCRIPTION
*
* This file is the Implementation of IPC hardware layer interface
* for Freescale Vybrid platform.
*
**************************************************************************/
#include "platform.h"
#include "plat_porting.h"
#include "sema4.h"
extern void freertos_env_isr(int vector);
/*--------------------------- Globals ---------------------------------- */
struct hil_platform_ops proc_ops = {
.enable_interrupt = _enable_interrupt,
.notify = _notify,
.boot_cpu = _boot_cpu,
.shutdown_cpu = _shutdown_cpu,
};
void CPU2CPUInt0_Handler(void)
{
MSCM_IRCP1IR = MSCM_IRCP1IR_INT0_MASK;
SEMA4_Lock(SEMA4, 0);
freertos_env_isr(0);
SEMA4_Unlock(SEMA4, 0);
}
void CPU2CPUInt1_Handler(void)
{
MSCM_IRCP1IR = MSCM_IRCP1IR_INT1_MASK;
freertos_env_isr(1);
}
void rpmsg_handler(void)
{
return;
}
int _enable_interrupt(struct proc_vring *vring_hw) { /*enable_interrupt*/
env_register_isr(vring_hw->intr_info.vect_id, vring_hw, platform_isr);
return 0;
}
void _notify(int cpu_id, struct proc_intr *intr_info)
{
uint32_t vector = intr_info->vect_id;
MSCM_IRCPGIR = MSCM_IRCPGIR_TLF(1) | MSCM_IRCPGIR_INTID(vector);
}
int _boot_cpu(int cpu_id, unsigned int load_addr)
{
return 0;
}
void _shutdown_cpu(int cpu_id)
{
}
void platform_isr(int vect_id, void *data)
{
hil_isr(((struct proc_vring *) data));
}
void platform_interrupt_enable()
{
MSCM_IRSPRC0 = 0x3;
MSCM_IRSPRC1 = 0x3;
NVIC_EnableIRQ(CPU2CPU_INT0_IRQ);
NVIC_EnableIRQ(CPU2CPU_INT1_IRQ);
}
void platform_interrupt_disable()
{
NVIC_DisableIRQ(CPU2CPU_INT0_IRQ);
NVIC_DisableIRQ(CPU2CPU_INT1_IRQ);
}
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