2eff0eedbb
This patch modifies the code as per the opensource git changes and updates the license information Signed-off-by: Kinjal Pravinbhai Patel <patelki@xilinx.com>
109 lines
4 KiB
C
109 lines
4 KiB
C
/*
|
|
* 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 Zynq ZC702EVK platform.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#include "platform.h"
|
|
#include "baremetal.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,
|
|
};
|
|
|
|
extern void ipi_enable_interrupt(unsigned int vector);
|
|
extern void ipi_isr(int vect_id, void *data);
|
|
|
|
extern void ipi_register_interrupt(unsigned long ipi_base_addr, unsigned int intr_mask, void *data, void *ipi_handler);
|
|
|
|
void _ipi_handler (unsigned long ipi_base_addr, unsigned int intr_mask, void *data) {
|
|
struct proc_vring *vring_hw = (struct proc_vring *) data;
|
|
platform_dcache_all_flush();
|
|
hil_isr(vring_hw);
|
|
}
|
|
|
|
void _ipi_handler_deinit (unsigned long ipi_base_addr, unsigned int intr_mask, void *data) {
|
|
return;
|
|
}
|
|
|
|
int _enable_interrupt(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 0;
|
|
/* Register IPI handler */
|
|
ipi_register_handler(chn_ipi_info->ipi_base_addr, chn_ipi_info->ipi_chn_mask, vring_hw, _ipi_handler);
|
|
/* Register ISR*/
|
|
env_register_isr(vring_hw->intr_info.vect_id, &(chn_ipi_info->ipi_base_addr), ipi_isr);
|
|
/* Enable IPI interrupt */
|
|
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);
|
|
env_disable_interrupts();
|
|
ipi_register_handler(chn_ipi_info->ipi_base_addr, chn_ipi_info->ipi_chn_mask, 0, _ipi_handler_deinit);
|
|
env_restore_interrupts();
|
|
}
|
|
|
|
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 */
|
|
ipi_trigger(chn_ipi_info->ipi_base_addr, 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;
|
|
}
|
|
|