| /* |
| * Copyright (c) 2015, Freescale Semiconductor, Inc. |
| * Copyright 2016-2017 NXP |
| * All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #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; |
| } |
| |
| /*! |
| * brief Initializes the XBARB module. |
| * |
| * This function un-gates the XBARB clock. |
| * |
| * param base XBARB peripheral address. |
| */ |
| 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 */ |
| } |
| |
| /*! |
| * brief Shuts down the XBARB module. |
| * |
| * This function disables XBARB clock. |
| * |
| * param base XBARB peripheral address. |
| */ |
| 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 */ |
| } |
| |
| /*! |
| * brief Configures a connection between the selected XBARB_IN[*] input and the XBARB_OUT[*] output signal. |
| * |
| * This function configures which XBARB input is connected to the selected XBARB output. |
| * If more than one XBARB module is available, only the inputs and outputs from the same module |
| * can be connected. |
| * |
| * param base XBARB peripheral address. |
| * param input XBARB input signal. |
| * param output XBARB output signal. |
| */ |
| 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)); |
| } |