embeddedsw/lib/sw_apps/openamp_matrix_multiply/src/platform.c
Kinjal Pravinbhai Patel a541441456 lib: sw_apps: added matrix_multiply test for openamp R5
This patch includes matrix_multiply test application which should be built
with R5 openamp library for creating baremetal slave application
for openamp

Signed-off-by: Kinjal Pravinbhai Patel <patelki@xilinx.com>
2015-03-16 15:37:14 +05:30

119 lines
4.3 KiB
C

/*
* Copyright (c) 2014, Mentor Graphics Corporation
* All rights reserved.
*
* Copyright (C) 2015 Xilinx, Inc. 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 Xilinx ZynqMP platform.
*
**************************************************************************/
#include "platform.h"
#include "xil_io.h"
/*--------------------------- Globals ---------------------------------- */
struct hil_platform_ops proc_ops = {
.enable_interrupt = _enable_interrupt,
.reg_ipi_after_deinit = _reg_ipi_after_deinit,
.notify = _notify,
.boot_cpu = _boot_cpu,
.shutdown_cpu = _shutdown_cpu,
};
int _enable_interrupt(struct proc_vring *vring_hw) {
if (vring_hw->intr_info.vect_id < 0)
return 0;
/* Register ISR*/
env_register_isr(vring_hw->intr_info.vect_id, vring_hw, platform_isr);
/* Enable IPI interrupt */
struct ipi_info *chn_ipi_info = (struct ipi_info *)(vring_hw->intr_info.data);
Xil_Out32((chn_ipi_info->ipi_base_addr + IPI_IER_OFFSET), chn_ipi_info->ipi_chn_mask);
/* Enable the interrupts */
env_enable_interrupt(vring_hw->intr_info.vect_id,
vring_hw->intr_info.priority,
vring_hw->intr_info.trigger_type);
return 0;
}
void _reg_ipi_after_deinit(struct proc_vring *vring_hw) {
struct ipi_info *chn_ipi_info = (struct ipi_info *)(vring_hw->intr_info.data);
if (vring_hw->intr_info.vect_id < 0) {
return;
}
env_update_isr(vring_hw->intr_info.vect_id, chn_ipi_info, deinit_isr);
}
void _notify(int cpu_id, struct proc_intr *intr_info) {
struct ipi_info *chn_ipi_info = (struct ipi_info *)(intr_info->data);
if (chn_ipi_info == NULL)
return;
platform_dcache_all_flush();
/* Trigger IPI */
Xil_Out32((chn_ipi_info->ipi_base_addr + IPI_TRIG_OFFSET), chn_ipi_info->ipi_chn_mask);
}
int _boot_cpu(int cpu_id, unsigned int load_addr) {
return -1;
}
void _shutdown_cpu(int cpu_id) {
return;
}
void platform_isr(int vect_id, void *data) {
struct proc_vring *vring_hw = (struct proc_vring *) data;
struct ipi_info *chn_ipi_info = (struct ipi_info *)(vring_hw->intr_info.data);
unsigned int ipi_intr_status = (unsigned int)Xil_In32(chn_ipi_info->ipi_base_addr + IPI_ISR_OFFSET);
if ((ipi_intr_status & chn_ipi_info->ipi_chn_mask)) {
platform_dcache_all_flush();
hil_isr(vring_hw);
Xil_Out32((chn_ipi_info->ipi_base_addr + IPI_ISR_OFFSET), chn_ipi_info->ipi_chn_mask);
}
}
void deinit_isr(int vect_id, void *data) {
struct ipi_info *chn_ipi_info = (struct ipi_info *)data;
unsigned int ipi_intr_status = (unsigned int)Xil_In32(chn_ipi_info->ipi_base_addr + IPI_ISR_OFFSET);
if ((ipi_intr_status & chn_ipi_info->ipi_chn_mask)) {
Xil_Out32((chn_ipi_info->ipi_base_addr + IPI_ISR_OFFSET), chn_ipi_info->ipi_chn_mask);
}
}