rt-thread-official/bsp/imxrt/Libraries/imxrt1021/devices/MIMXRT1021/drivers/fsl_xbarb.c

113 lines
4.2 KiB
C

/*
* The Clear BSD License
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) provided
* that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
* 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.
*/
#include "fsl_xbarb.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "platform.drivers.xbarb"
#endif
/*******************************************************************************
* Prototypes
******************************************************************************/
/*!
* @brief Get the XBARB instance from peripheral base address.
*
* @param base XBARB peripheral base address.
* @return XBARB instance.
*/
static uint32_t XBARB_GetInstance(XBARB_Type *base);
/*******************************************************************************
* Variables
******************************************************************************/
/* Array of XBARB peripheral base address. */
static XBARB_Type *const s_xbarbBases[] = XBARB_BASE_PTRS;
#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
/* Array of XBARB clock name. */
static const clock_ip_name_t s_xbarbClock[] = XBARB_CLOCKS;
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
/*******************************************************************************
* Code
******************************************************************************/
static uint32_t XBARB_GetInstance(XBARB_Type *base)
{
uint32_t instance;
/* Find the instance index from base address mappings. */
for (instance = 0; instance < ARRAY_SIZE(s_xbarbBases); instance++)
{
if (s_xbarbBases[instance] == base)
{
break;
}
}
assert(instance < ARRAY_SIZE(s_xbarbBases));
return instance;
}
void XBARB_Init(XBARB_Type *base)
{
#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
/* Enable XBARB module clock. */
CLOCK_EnableClock(s_xbarbClock[XBARB_GetInstance(base)]);
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
}
void XBARB_Deinit(XBARB_Type *base)
{
#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
/* Disable XBARB module clock. */
CLOCK_DisableClock(s_xbarbClock[XBARB_GetInstance(base)]);
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
}
void XBARB_SetSignalsConnection(XBARB_Type *base, xbar_input_signal_t input, xbar_output_signal_t output)
{
XBARB_WR_SELx_SELx(base, (((uint16_t)input) & 0xFFU), (((uint16_t)output) & 0xFFU));
}