add ground emulator code.
This commit is contained in:
Gatsby Van
@@ -0,0 +1,229 @@
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/***************************************************************************//**
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||||
* @file irq.c
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* @brief Implementation of the IRQ Interface
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* @author Andrei Porumb ([email protected])
|
||||
********************************************************************************
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||||
* Copyright 2021(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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.
|
||||
*******************************************************************************/
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||||
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#include <inttypes.h>
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#include <stdlib.h>
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#include "irq.h"
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#include "error.h"
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/**
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* @brief Initialize the IRQ interrupts.
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* @param desc - The IRQ descriptor.
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* @param param - The structure that contains the IRQ parameters.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_ctrl_init(struct irq_ctrl_desc **desc,
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const struct irq_init_param *param)
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{
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int32_t ret;
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if (!param || !param->platform_ops)
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return -EINVAL;
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if (!param->platform_ops->init)
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return -ENOSYS;
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ret = param->platform_ops->init(desc, param);
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if (ret)
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return ret;
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(*desc)->platform_ops = param->platform_ops;
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return 0;
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}
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/**
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* @brief Free the resources allocated by irq_ctrl_init().
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* @param desc - The SPI descriptor.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_ctrl_remove(struct irq_ctrl_desc *desc)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->remove)
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return -ENOSYS;
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return desc->platform_ops->remove(desc);
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}
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/**
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* @brief Register a callback to handle the irq events.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param callback - Callback descriptor - platform specific type.
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* @return SUCCESS in case of success, FAILURE otherwise.
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*/
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int32_t irq_register_callback(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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struct callback_desc *callback)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->register_callback)
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return -ENOSYS;
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return desc->platform_ops->register_callback(desc, irq_id, callback);
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}
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/**
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* @brief Unregisters a generic IRQ handling function.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param callback - Callback descriptor - platform specific type.
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* @return SUCCESS in case of success, FAILURE otherwise.
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*/
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int32_t irq_unregister_callback(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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struct callback_desc *callback)
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{
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||||
if (!desc || !desc->platform_ops)
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||||
return -EINVAL;
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||||
|
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if (!desc->platform_ops->unregister_callback)
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return -ENOSYS;
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return desc->platform_ops->unregister_callback(desc, irq_id, callback);
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}
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/**
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* @brief Enable global interrupts.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_global_enable(struct irq_ctrl_desc *desc)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->global_enable)
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return -ENOSYS;
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return desc->platform_ops->global_enable(desc);
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}
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/**
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* @brief Disable global interrupts.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_global_disable(struct irq_ctrl_desc *desc)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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if (!desc->platform_ops->global_disable)
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return -ENOSYS;
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return desc->platform_ops->global_disable(desc);
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}
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/**
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* @brief Set interrupt trigger level.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param trig - New trigger level for the interrupt.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_trigger_level_set(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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enum irq_trig_level trig)
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{
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||||
if (!desc || !desc->platform_ops)
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return -EINVAL;
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||||
|
||||
if(!desc->platform_ops->trigger_level_set)
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return -ENOSYS;
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return desc->platform_ops->trigger_level_set(desc, irq_id, trig);
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}
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||||
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||||
/**
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* @brief Enable specific interrupt.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @return 0 in case of success, -1 otherwise.
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*/
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||||
int32_t irq_enable(struct irq_ctrl_desc *desc, uint32_t irq_id)
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||||
{
|
||||
if (!desc || !desc->platform_ops)
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||||
return -EINVAL;
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||||
|
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if (!desc->platform_ops->enable)
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return -ENOSYS;
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return desc->platform_ops->enable(desc, irq_id);
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}
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||||
|
||||
/**
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* @brief Disable specific interrupt.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @return 0 in case of success, -1 otherwise.
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*/
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int32_t irq_disable(struct irq_ctrl_desc *desc, uint32_t irq_id)
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{
|
||||
if (!desc || !desc->platform_ops)
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return -EINVAL;
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|
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if (!desc->platform_ops->disable)
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return -ENOSYS;
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return desc->platform_ops->disable(desc, irq_id);
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}
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/**
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* @brief Set the priority for an interrupt.
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* @param desc - The IRQ controller descriptor.
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* @param irq_id - Interrupt identifier.
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* @param priority_level - The priority level of the interrupt.
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* @return 0 in case of success, negative errno error codes.
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*/
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int32_t irq_set_priority(struct irq_ctrl_desc *desc,
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uint32_t irq_id,
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uint32_t priority_level)
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{
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if (!desc || !desc->platform_ops)
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return -EINVAL;
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|
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if (!desc->platform_ops->set_priority)
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return -ENOSYS;
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return desc->platform_ops->set_priority(desc, irq_id, priority_level);
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}
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@@ -0,0 +1,211 @@
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||||
/***************************************************************************//**
|
||||
* @file timer.c
|
||||
* @brief Implementation of the timer Interface
|
||||
* @author RBolboac ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2022(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY
|
||||
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
|
||||
/******************************************************************************/
|
||||
#include "error.h"
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||||
#include "timer.h"
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|
||||
/******************************************************************************/
|
||||
/************************ Functions Definitions *******************************/
|
||||
/******************************************************************************/
|
||||
/**
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||||
* @brief Initialize hardware timer and the handler structure associated with
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* it.
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* @param [out] desc - Pointer to the reference of the device handler.
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* @param [in] param - Initialization structure.
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||||
* @return 0 in case of success, negative error code otherwise
|
||||
*/
|
||||
int32_t timer_init(struct timer_desc **desc,
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||||
struct timer_init_param *param)
|
||||
{
|
||||
int32_t ret;
|
||||
|
||||
if (!param || !param->platform_ops)
|
||||
return -EINVAL;
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||||
|
||||
if (!param->platform_ops->init)
|
||||
return -ENOSYS;
|
||||
|
||||
ret = param->platform_ops->init(desc, param);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
(*desc)->platform_ops = param->platform_ops;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Free the memory allocated by timer_init().
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @return 0 in case of success, negative error code otherwise
|
||||
*/
|
||||
int32_t timer_remove(struct timer_desc *desc)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->remove)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->remove(desc);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Start a timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @return 0 in case of success, negative error code otherwise
|
||||
*/
|
||||
int32_t timer_start(struct timer_desc *desc)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->start)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->start(desc);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Stop a timer from counting.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @return 0 in case of success, negative error code otherwise
|
||||
*/
|
||||
int32_t timer_stop(struct timer_desc *desc)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->stop)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->stop(desc);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get the value of the counter register for the timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [out] counter - Pointer to the counter value.
|
||||
* @return 0 in case of success, error code otherwise.
|
||||
*/
|
||||
int32_t timer_counter_get(struct timer_desc *desc,
|
||||
uint32_t *counter)
|
||||
{
|
||||
if (!desc || !desc->platform_ops || !counter)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->counter_get)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->counter_get(desc, counter);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Set the timer counter register value.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [in] new_val - The new value of the counter register.
|
||||
* @return 0 in case of success, error code otherwise.
|
||||
*/
|
||||
int32_t timer_counter_set(struct timer_desc *desc, uint32_t new_val)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->counter_set)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->counter_set(desc, new_val);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get the timer clock frequency.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [out] freq_hz - The value in Hz of the timer clock.
|
||||
* @return 0 in case of success, error code otherwise.
|
||||
*/
|
||||
int32_t timer_count_clk_get(struct timer_desc *desc,
|
||||
uint32_t *freq_hz)
|
||||
{
|
||||
if (!desc || !desc->platform_ops || !freq_hz)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->count_clk_get)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->count_clk_get(desc, freq_hz);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Set the timer clock frequency.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [in] freq_hz - The value in Hz of the new timer clock.
|
||||
* @return 0 in case of success, error code otherwise.
|
||||
*/
|
||||
int32_t timer_count_clk_set(struct timer_desc *desc,
|
||||
uint32_t freq_hz)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->count_clk_set)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->count_clk_set(desc, freq_hz);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get the elapsed time in nsec for the timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [in] elapsed_time - The elapsed time in nsec.
|
||||
* @return 0 in case of success, error code otherwise.
|
||||
*/
|
||||
int32_t timer_get_elapsed_time_nsec(struct timer_desc *desc,
|
||||
uint64_t *elapsed_time)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->get_elapsed_time_nsec)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->get_elapsed_time_nsec(desc, elapsed_time);
|
||||
}
|
||||
@@ -0,0 +1,111 @@
|
||||
/***************************************************************************//**
|
||||
* @file trng.c
|
||||
* @brief Implementation of the TRNG Interface
|
||||
* @author Antoniu Miclaus ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2023(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
|
||||
/******************************************************************************/
|
||||
#include <inttypes.h>
|
||||
#include "trng.h"
|
||||
#include <stdlib.h>
|
||||
#include "error.h"
|
||||
|
||||
/******************************************************************************/
|
||||
/************************ Functions Definitions *******************************/
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @brief Initialize the TRNG.
|
||||
* @param desc - The TRNG descriptor.
|
||||
* @param param - The structure that contains the TRNG parameters.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int trng_init(struct trng_desc **desc,
|
||||
const struct trng_init_param *param)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (!param || !param->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!param->platform_ops->init)
|
||||
return -ENOSYS;
|
||||
|
||||
ret = param->platform_ops->init(desc, param);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
(*desc)->platform_ops = param->platform_ops;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Free the resources allocated by trng_init().
|
||||
* @param desc - The TRNG descriptor.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int trng_remove(struct trng_desc *desc)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->remove)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->remove(desc);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Fill buffer with rng data.
|
||||
* @param desc - The TRNG descriptor.
|
||||
* @param buff - Buffer to be filled
|
||||
* @param len - Size of the buffer
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int trng_fill_buffer(struct trng_desc *desc, uint8_t *buff,
|
||||
uint32_t len)
|
||||
{
|
||||
if (!desc || !desc->platform_ops)
|
||||
return -EINVAL;
|
||||
|
||||
if (!desc->platform_ops->fill_buffer)
|
||||
return -ENOSYS;
|
||||
|
||||
return desc->platform_ops->fill_buffer(desc, buff, len);
|
||||
}
|
||||
@@ -0,0 +1,79 @@
|
||||
/***************************************************************************//**
|
||||
* @file xilinx/xilinx_axi_io.c
|
||||
* @brief Implementation of Xilinx AXI IO.
|
||||
* @author Antoniu Miclaus ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2019(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
|
||||
/******************************************************************************/
|
||||
|
||||
#include <xil_io.h>
|
||||
#include "error.h"
|
||||
#include "axi_io.h"
|
||||
|
||||
/******************************************************************************/
|
||||
/************************ Functions Definitions *******************************/
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @brief AXI IO Xilinx specific read function.
|
||||
* @param base - Base address
|
||||
* @param offset - Address offset
|
||||
* @param data - variable where returned data is stored
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t axi_io_read(uint32_t base, uint32_t offset, uint32_t *data)
|
||||
{
|
||||
*data = Xil_In32(base + offset);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief AXI IO Xilinx specific write function.
|
||||
* @param base - Base address
|
||||
* @param offset - Address offset
|
||||
* @param data - data to be written.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t axi_io_write(uint32_t base, uint32_t offset, uint32_t data)
|
||||
{
|
||||
Xil_Out32(base + offset, data);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,433 @@
|
||||
/***************************************************************************//**
|
||||
* @file xilinx/xilinx_irq.c
|
||||
* @brief Implementation of Xilinx IRQ Generic Driver.
|
||||
* @author Cristian Pop ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2019(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
|
||||
/******************************************************************************/
|
||||
|
||||
#include <xparameters.h>
|
||||
#include <stdlib.h>
|
||||
#include "error.h"
|
||||
#include "irq.h"
|
||||
#include "xilinx_irq.h"
|
||||
#ifdef XPAR_XSCUGIC_NUM_INSTANCES
|
||||
#include <xscugic.h>
|
||||
#endif
|
||||
#ifdef XPAR_XINTC_NUM_INSTANCES
|
||||
#include <xintc.h>
|
||||
#endif
|
||||
#ifdef XPAR_XTMRCTR_NUM_INSTANCES
|
||||
#include <xtmrctr.h>
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
/************************ Functions Definitions *******************************/
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @brief Initialize the IRQ interrupts.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param param - The structure that contains the IRQ parameters.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_ctrl_init(struct irq_ctrl_desc **desc,
|
||||
const struct irq_init_param *param)
|
||||
{
|
||||
int32_t status;
|
||||
struct irq_ctrl_desc *descriptor;
|
||||
struct xil_irq_desc *xil_dev;
|
||||
#ifdef XSCUGIC_H
|
||||
void *config;
|
||||
#endif
|
||||
|
||||
descriptor = (struct irq_ctrl_desc *)calloc(1, sizeof *descriptor);
|
||||
if(!descriptor)
|
||||
return -1;
|
||||
xil_dev = (struct xil_irq_desc *)calloc(1, sizeof *xil_dev);
|
||||
if(!xil_dev) {
|
||||
free(descriptor);
|
||||
return -1;
|
||||
}
|
||||
|
||||
Xil_ExceptionInit();
|
||||
|
||||
descriptor->irq_ctrl_id = param->irq_ctrl_id;
|
||||
descriptor->extra = xil_dev;
|
||||
xil_dev->type = ((struct xil_irq_init_param *)param->extra)->type;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
xil_dev->instance = calloc(1, sizeof(XScuGic));
|
||||
if(!xil_dev->instance)
|
||||
goto error;
|
||||
|
||||
config = XScuGic_LookupConfig(descriptor->irq_ctrl_id);
|
||||
if(!config)
|
||||
goto ps_error;
|
||||
|
||||
status = XScuGic_CfgInitialize(xil_dev->instance, config,
|
||||
((XScuGic_Config *)config)->CpuBaseAddress);
|
||||
if (status != 0)
|
||||
goto ps_error;
|
||||
|
||||
Xil_ExceptionRegisterHandler(XIL_EXCEPTION_ID_INT,
|
||||
(Xil_ExceptionHandler)XScuGic_InterruptHandler,
|
||||
xil_dev->instance);
|
||||
|
||||
break;
|
||||
ps_error:
|
||||
free(xil_dev->instance);
|
||||
#endif
|
||||
goto error;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
xil_dev->instance = calloc(1, sizeof(XIntc));
|
||||
if(!xil_dev->instance)
|
||||
goto error;
|
||||
|
||||
status = XIntc_Initialize(xil_dev->instance, descriptor->irq_ctrl_id);
|
||||
if(status != 0)
|
||||
goto pl_error;
|
||||
|
||||
status = XIntc_Start(xil_dev->instance, XIN_REAL_MODE);
|
||||
if(status != 0)
|
||||
goto pl_error;
|
||||
|
||||
break;
|
||||
pl_error:
|
||||
free(xil_dev->instance);
|
||||
#endif
|
||||
goto error;
|
||||
default:
|
||||
goto error;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
*desc = descriptor;
|
||||
|
||||
return 0;
|
||||
|
||||
error:
|
||||
free(xil_dev);
|
||||
free(descriptor);
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Enable global interrupts.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_global_enable(struct irq_ctrl_desc *desc)
|
||||
{
|
||||
/* Enable interrupts */
|
||||
Xil_ExceptionEnable();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Disable global interrupts.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_global_disable(struct irq_ctrl_desc *desc)
|
||||
{
|
||||
/* Disable interrupts */
|
||||
Xil_ExceptionDisable();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Enable specific interrupt.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param irq_id - Interrupt identifier.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_enable(struct irq_ctrl_desc *desc, uint32_t irq_id)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
XScuGic_Enable(xil_dev->instance, irq_id);
|
||||
#endif
|
||||
break;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
XIntc_Enable(xil_dev->instance, irq_id);
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Disable specific interrupt.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param irq_id - Interrupt identifier.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_disable(struct irq_ctrl_desc *desc, uint32_t irq_id)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
XScuGic_Disable(xil_dev->instance, irq_id);
|
||||
#endif
|
||||
break;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
XIntc_Disable(xil_dev->instance, irq_id);
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Register a callback to handle the irq events.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param irq_id - Interrupt identifier.
|
||||
* @param callback_desc - Callback descriptor
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_register_callback(struct irq_ctrl_desc *desc,
|
||||
uint32_t irq_id,
|
||||
struct callback_desc *callback_desc)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
return XScuGic_Connect(xil_dev->instance, irq_id,
|
||||
(Xil_InterruptHandler) callback_desc->callback,
|
||||
callback_desc->ctx);
|
||||
#endif
|
||||
break;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
if (irq_id == XPAR_AXI_INTC_AXI_TIMER_INTERRUPT_INTR) {
|
||||
int32_t ret;
|
||||
|
||||
ret = XIntc_Connect(xil_dev->instance, irq_id,
|
||||
XTmrCtr_InterruptHandler, callback_desc->legacy_config);
|
||||
if (IS_ERR_VALUE(ret))
|
||||
return -1;
|
||||
XTmrCtr_SetHandler(callback_desc->legacy_config,
|
||||
(XTmrCtr_Handler)callback_desc->callback,
|
||||
callback_desc->ctx);
|
||||
|
||||
return 0;
|
||||
}
|
||||
return XIntc_Connect(xil_dev->instance, irq_id,
|
||||
(XInterruptHandler) callback_desc->callback,
|
||||
callback_desc->ctx);
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Set interrupt trigger level.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param irq_id - Interrupt identifier.
|
||||
* @param trig - New trigger level for the interrupt.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_trigger_level_set(struct irq_ctrl_desc *desc,
|
||||
uint32_t irq_id,
|
||||
enum irq_trig_level trig)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
|
||||
if(trig == IRQ_EDGE_BOTH)
|
||||
return -EINVAL;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
;
|
||||
uint8_t priority, trigger;
|
||||
|
||||
XScuGic_GetPriorityTriggerType(xil_dev->instance, irq_id, &priority,
|
||||
&trigger);
|
||||
trigger = trig;
|
||||
XScuGic_SetPriorityTriggerType(xil_dev->instance, irq_id, priority,
|
||||
trigger);
|
||||
|
||||
return 0;
|
||||
#endif
|
||||
break;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
/* Interrupt trigger determined in hardware. TODO: verify */
|
||||
return 0;
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Set interrupt trigger level.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param irq_id - Interrupt identifier.
|
||||
* @param priority_level - New priority level for the interrupt.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_set_priority(struct irq_ctrl_desc *desc,
|
||||
uint32_t irq_id,
|
||||
uint32_t priority_level)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
|
||||
if(priority_level % 8 != 0)
|
||||
return -EINVAL;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
;
|
||||
uint8_t priority, trigger;
|
||||
|
||||
XScuGic_GetPriorityTriggerType(xil_dev->instance, irq_id, &priority,
|
||||
&trigger);
|
||||
priority = priority_level;
|
||||
XScuGic_SetPriorityTriggerType(xil_dev->instance, irq_id, priority,
|
||||
trigger);
|
||||
|
||||
return 0;
|
||||
#endif
|
||||
break;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
/* Interrupt priority level determined in hardware. TODO: verify */
|
||||
return 0;
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Unregisters a generic IRQ handling function.
|
||||
* @param desc - The IRQ controller descriptor.
|
||||
* @param irq_id - Interrupt identifier.
|
||||
* @param cb - Callback descriptor.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_unregister_callback(struct irq_ctrl_desc *desc,
|
||||
uint32_t irq_id, struct callback_desc *cb)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
|
||||
switch(xil_dev->type) {
|
||||
case IRQ_PS:
|
||||
#ifdef XSCUGIC_H
|
||||
XScuGic_Disconnect(xil_dev->instance, irq_id);
|
||||
#endif
|
||||
break;
|
||||
case IRQ_PL:
|
||||
#ifdef XINTC_H
|
||||
XIntc_Disconnect(xil_dev->instance, irq_id);
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Free the resources allocated by irq_ctrl_init().
|
||||
* @param desc - The IRQ control descriptor.
|
||||
* @return 0 in case of success, -1 otherwise.
|
||||
*/
|
||||
int32_t xil_irq_ctrl_remove(struct irq_ctrl_desc *desc)
|
||||
{
|
||||
struct xil_irq_desc *xil_dev = desc->extra;
|
||||
free(xil_dev->instance);
|
||||
free(desc->extra);
|
||||
free(desc);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Xilinx platform specific IRQ platform ops structure
|
||||
*/
|
||||
const struct irq_platform_ops xil_irq_ops = {
|
||||
.init = &xil_irq_ctrl_init,
|
||||
.register_callback = &xil_irq_register_callback,
|
||||
.unregister_callback = &xil_irq_unregister_callback,
|
||||
.global_enable = &xil_irq_global_enable,
|
||||
.global_disable = &xil_irq_global_disable,
|
||||
.trigger_level_set = &xil_irq_trigger_level_set,
|
||||
.set_priority = &xil_irq_set_priority,
|
||||
.enable = &xil_irq_enable,
|
||||
.disable = &xil_irq_disable,
|
||||
.remove = &xil_irq_ctrl_remove
|
||||
};
|
||||
@@ -0,0 +1,91 @@
|
||||
/*******************************************************************************
|
||||
* @file xilinx_irq.h
|
||||
* @brief Header containing types used in the irq driver.
|
||||
* @author Cristian Pop ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2019(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 XILINX_IRQ_H_
|
||||
#define XILINX_IRQ_H_
|
||||
|
||||
/******************************************************************************/
|
||||
/***************************** Include Files **********************************/
|
||||
/******************************************************************************/
|
||||
|
||||
#include <stdint.h>
|
||||
#include "irq.h"
|
||||
|
||||
/******************************************************************************/
|
||||
/*************************** Types Declarations *******************************/
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @enum xil_irq_type
|
||||
* @brief Xilinx platform architecture sections
|
||||
*/
|
||||
enum xil_irq_type {
|
||||
/** Programmable Logic */
|
||||
IRQ_PL,
|
||||
/** Processing System */
|
||||
IRQ_PS
|
||||
};
|
||||
|
||||
/**
|
||||
* @struct xil_irq_init_param
|
||||
* @brief Structure holding the initialization parameters for Xilinx platform
|
||||
* specific IRQ parameters.
|
||||
*/
|
||||
struct xil_irq_init_param {
|
||||
/** Xilinx architecture */
|
||||
enum xil_irq_type type;
|
||||
};
|
||||
|
||||
/**
|
||||
* @struct xil_irq_desc
|
||||
* @brief Xilinx platform specific IRQ descriptor
|
||||
*/
|
||||
struct xil_irq_desc {
|
||||
/** Xilinx architecture */
|
||||
enum xil_irq_type type;
|
||||
/** Xilinx IRQ Instance */
|
||||
void *instance;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Xilinx specific IRQ platform ops structure
|
||||
*/
|
||||
extern const struct irq_platform_ops xil_irq_ops;
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,456 @@
|
||||
/***************************************************************************//**
|
||||
* @file xilinx/xilinx_timer.c
|
||||
* @brief Timer and GIC control module source.
|
||||
* @author Andrei Drimbarean ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2020(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY
|
||||
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 Files **********************************/
|
||||
/******************************************************************************/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <xparameters.h>
|
||||
#include "timer.h"
|
||||
#include "xilinx_timer.h"
|
||||
#include "error.h"
|
||||
|
||||
/******************************************************************************/
|
||||
/********************** Macros and Constants Definitions **********************/
|
||||
/******************************************************************************/
|
||||
|
||||
#if defined(_XPARAMETERS_PS_H_)
|
||||
#define CORE_PRIVATE_TIMER_CLOCK (XPAR_CPU_CORTEXA9_CORE_CLOCK_FREQ_HZ / 2)
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
/************************ Functions Definitions *******************************/
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @brief Set the current counter value of the timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [in] new_val - New value for the timer counter.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_counter_set(struct timer_desc *desc,
|
||||
uint32_t new_val)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if (!desc)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
XScuTimer_LoadTimer((XScuTimer *)xdesc->instance, new_val - 1);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
XTmrCtr_SetResetValue(xdesc->instance, xdesc->active_tmr, new_val);
|
||||
XTmrCtr_Reset(xdesc->instance, xdesc->active_tmr);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Set the timer clock frequency.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [in] freq_hz - New timer frequency in hertz.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_count_clk_set(struct timer_desc *desc,
|
||||
uint32_t freq_hz)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if (!desc || !freq_hz)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
;
|
||||
uint32_t prescaler = CORE_PRIVATE_TIMER_CLOCK / freq_hz;
|
||||
if (prescaler == 0 || prescaler >= 256)
|
||||
return -1;
|
||||
XScuTimer_SetPrescaler(xdesc->instance, prescaler - 1);
|
||||
desc->freq_hz = CORE_PRIVATE_TIMER_CLOCK / prescaler;
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
(void *)xdesc;
|
||||
/** Cannot be done. */
|
||||
#endif
|
||||
return -1;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Initialize hardware timer and the handler structure associated with
|
||||
* it.
|
||||
* @param [out] desc - Pointer to the reference of the device handler.
|
||||
* @param [in] param - Initialization structure.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_init(struct timer_desc **desc,
|
||||
const struct timer_init_param *param)
|
||||
{
|
||||
int32_t ret;
|
||||
struct timer_desc *dev;
|
||||
struct xil_timer_desc *xdesc;
|
||||
struct xil_timer_init_param *xinit;
|
||||
|
||||
if (!desc || !param)
|
||||
return -1;
|
||||
|
||||
xinit = param->extra;
|
||||
|
||||
dev = (struct timer_desc *)calloc(1, sizeof(*dev));
|
||||
if(!dev)
|
||||
return -1;
|
||||
xdesc = (struct xil_timer_desc *)calloc(1, sizeof(*xdesc));
|
||||
if(!xdesc)
|
||||
goto error_desc;
|
||||
|
||||
dev->id = param->id;
|
||||
dev->freq_hz = param->freq_hz;
|
||||
dev->ticks_count = param->ticks_count;
|
||||
dev->extra = xdesc;
|
||||
xdesc->active_tmr = xinit->active_tmr;
|
||||
xdesc->type = xinit->type;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
xdesc->config = XScuTimer_LookupConfig(dev->id);
|
||||
xdesc->instance = calloc(1, sizeof(XScuTimer));
|
||||
if (!xdesc->instance)
|
||||
goto error_xdesc;
|
||||
ret = XScuTimer_CfgInitialize(xdesc->instance, xdesc->config,
|
||||
((XScuTimer_Config *)xdesc->config)->BaseAddr);
|
||||
if (ret != XST_SUCCESS) {
|
||||
free(xdesc->instance);
|
||||
goto error_xdesc;
|
||||
}
|
||||
ret = xilinx_timer_count_clk_set(dev, param->freq_hz);
|
||||
if (IS_ERR_VALUE(ret))
|
||||
goto error_xdesc;
|
||||
|
||||
ret = xilinx_timer_counter_set(dev, dev->ticks_count);
|
||||
if (IS_ERR_VALUE(ret))
|
||||
goto error_xdesc;
|
||||
|
||||
XScuTimer_EnableAutoReload((XScuTimer *)xdesc->instance);
|
||||
XScuTimer_EnableInterrupt((XScuTimer *)xdesc->instance);
|
||||
break;
|
||||
#endif
|
||||
goto error_xdesc;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
xdesc->instance = (XTmrCtr *)calloc(1, sizeof(XTmrCtr));
|
||||
if (!xdesc->instance)
|
||||
return -1;
|
||||
|
||||
xdesc->config = XTmrCtr_LookupConfig(dev->id);
|
||||
if (!xdesc->config) {
|
||||
free(xdesc->instance);
|
||||
goto error_desc;
|
||||
}
|
||||
XTmrCtr_CfgInitialize(xdesc->instance, xdesc->config,
|
||||
((XTmrCtr_Config *)xdesc->config)->BaseAddress);
|
||||
ret = XTmrCtr_InitHw(xdesc->instance);
|
||||
if (ret != 0) {
|
||||
free(xdesc->instance);
|
||||
goto error_desc;
|
||||
}
|
||||
dev->freq_hz = ((XTmrCtr_Config *)xdesc->config)->SysClockFreqHz;
|
||||
|
||||
ret = XTmrCtr_SelfTest(xdesc->instance, dev->id);
|
||||
if(ret != 0)
|
||||
goto error_desc;
|
||||
XTmrCtr_SetOptions(xdesc->instance, xdesc->active_tmr,
|
||||
XTC_DOWN_COUNT_OPTION | XTC_INT_MODE_OPTION |
|
||||
XTC_AUTO_RELOAD_OPTION);
|
||||
XTmrCtr_SetResetValue(xdesc->instance, xdesc->active_tmr,
|
||||
dev->ticks_count);
|
||||
break;
|
||||
#endif
|
||||
goto error_xdesc;
|
||||
default:
|
||||
goto error_xdesc;
|
||||
}
|
||||
|
||||
*desc = dev;
|
||||
|
||||
return 0;
|
||||
|
||||
error_xdesc:
|
||||
free(xdesc);
|
||||
error_desc:
|
||||
free(dev);
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Free the memory allocated by timer_setup().
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_remove(struct timer_desc *desc)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if(!desc)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
XScuTimer_Stop(xdesc->instance);
|
||||
free(xdesc->instance);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
XTmrCtr_Stop(xdesc->instance, xdesc->active_tmr);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
free(xdesc);
|
||||
free(desc);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Start a timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_start(struct timer_desc *desc)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if (!desc)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
XScuTimer_Start(xdesc->instance);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
XTmrCtr_Start(xdesc->instance, xdesc->active_tmr);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Stop a timer from counting.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_stop(struct timer_desc *desc)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if (!desc)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
XScuTimer_Stop(xdesc->instance);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
XTmrCtr_Stop(xdesc->instance, xdesc->active_tmr);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Get the current counter value of the timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [out] counter - Pointer to the current counter value.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_counter_get(struct timer_desc *desc,
|
||||
uint32_t *counter)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if (!desc || !counter)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
*counter = XScuTimer_GetCounterValue((XScuTimer *)xdesc->instance);
|
||||
++(*counter);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
*counter = XTmrCtr_GetValue(xdesc->instance, xdesc->active_tmr);
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
default:
|
||||
*counter = 0;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Get the timer clock frequency.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [out] freq_hz - Pointer to the returned frequency.
|
||||
* @return 0 in case of success, -1 otherwise
|
||||
*/
|
||||
int32_t xilinx_timer_count_clk_get(struct timer_desc *desc,
|
||||
uint32_t *freq_hz)
|
||||
{
|
||||
struct xil_timer_desc *xdesc;
|
||||
|
||||
if (!desc || !freq_hz)
|
||||
return -1;
|
||||
|
||||
xdesc = desc->extra;
|
||||
|
||||
switch (xdesc->type) {
|
||||
case TIMER_PS:
|
||||
#ifdef XSCUTIMER_H
|
||||
*freq_hz = desc->freq_hz;
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
case TIMER_PL:
|
||||
#ifdef XTMRCTR_H
|
||||
*freq_hz = ((XTmrCtr_Config *)xdesc->config)->SysClockFreqHz;
|
||||
break;
|
||||
#endif
|
||||
return -1;
|
||||
default:
|
||||
*freq_hz = 0;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Get the elapsed time in nsec for the timer.
|
||||
* @param [in] desc - Pointer to the device handler.
|
||||
* @param [in] elapsed_time - The elapsed time in nsec.
|
||||
* @return -ENOSYS.
|
||||
*/
|
||||
int32_t xilinx_timer_get_elapsed_time_nsec(struct timer_desc *desc,
|
||||
uint64_t *elapsed_time)
|
||||
{
|
||||
/* Function not implemented */
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Xilinx platform specific timer platform ops structure
|
||||
*/
|
||||
const struct timer_platform_ops xil_timer_ops = {
|
||||
.init = &xilinx_timer_init,
|
||||
.start = &xilinx_timer_start,
|
||||
.stop = &xilinx_timer_stop,
|
||||
.counter_get = &xilinx_timer_counter_get,
|
||||
.counter_set = &xilinx_timer_counter_set,
|
||||
.count_clk_get = &xilinx_timer_count_clk_get,
|
||||
.count_clk_set = &xilinx_timer_count_clk_set,
|
||||
.get_elapsed_time_nsec = &xilinx_timer_get_elapsed_time_nsec,
|
||||
.remove = &xilinx_timer_remove
|
||||
};
|
||||
@@ -0,0 +1,101 @@
|
||||
/***************************************************************************//**
|
||||
* @file xilinx_timer.h
|
||||
* @brief Timer control module header.
|
||||
* @author Andrei Drimbarean ([email protected])
|
||||
********************************************************************************
|
||||
* Copyright 2020(c) Analog Devices, 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:
|
||||
* - 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 Analog Devices, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* - The use of this software may or may not infringe the patent rights
|
||||
* of one or more patent holders. This license does not release you
|
||||
* from the requirement that you obtain separate licenses from these
|
||||
* patent holders to use this software.
|
||||
* - Use of the software either in source or binary form, must be run
|
||||
* on or directly connected to an Analog Devices Inc. component.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY
|
||||
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 XILINX_TIMER_H_
|
||||
#define XILINX_TIMER_H_
|
||||
|
||||
/******************************************************************************/
|
||||
/***************************** Include Files **********************************/
|
||||
/******************************************************************************/
|
||||
|
||||
#include <xparameters.h>
|
||||
#ifdef XPAR_XSCUTIMER_NUM_INSTANCES
|
||||
#include <xscutimer.h>
|
||||
#endif
|
||||
#ifdef XPAR_XTMRCTR_NUM_INSTANCES
|
||||
#include <xtmrctr.h>
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
/*************************** Types Declarations *******************************/
|
||||
/******************************************************************************/
|
||||
|
||||
/**
|
||||
* @enum xil_timer_type
|
||||
* @brief Xilinx platform architecture sections
|
||||
*/
|
||||
enum xil_timer_type {
|
||||
/** Programmable Logic */
|
||||
TIMER_PL,
|
||||
/** Processing System */
|
||||
TIMER_PS
|
||||
};
|
||||
|
||||
/**
|
||||
* @struct xil_timer_desc
|
||||
* @brief Xilinx specific timer descriptor
|
||||
*/
|
||||
struct xil_timer_desc {
|
||||
/** Pointer to the BSP driver handler */
|
||||
void *instance;
|
||||
/** Pointer to the BSP driver configuration handler */
|
||||
void *config;
|
||||
/** Timer used from the PL 3-timer core */
|
||||
uint8_t active_tmr;
|
||||
/** Platform selection parameter */
|
||||
enum xil_timer_type type;
|
||||
};
|
||||
|
||||
/**
|
||||
* @struct xil_timer_init_param
|
||||
* @brief Xilinx specific timer initialization structure
|
||||
*/
|
||||
struct xil_timer_init_param {
|
||||
/** Timer used from the PL 3-timer core */
|
||||
uint8_t active_tmr;
|
||||
/** Platform selection parameter */
|
||||
enum xil_timer_type type;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Xilinx platform specific timer platform ops structure
|
||||
*/
|
||||
extern const struct timer_platform_ops xil_timer_ops;
|
||||
|
||||
#endif /* XILINX_TIMER_H_ */
|
||||
Reference in New Issue
Block a user