170 lines
7.7 KiB
C
170 lines
7.7 KiB
C
/*
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* Copyright 2018,2019 ,2021 NXP
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* All rights reserved.
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*
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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/*
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* How to set up clock using clock driver functions:
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*
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* 1. Setup clock sources.
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*
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* 2. Set up all dividers.
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*
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* 3. Set up all selectors to provide selected clocks.
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*/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!GlobalInfo
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product: Clocks v7.0
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processor: LPC804
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package_id: LPC804M101JDH24
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mcu_data: ksdk2_0
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processor_version: 9.0.0
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board: LPCXpresso804
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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#include "fsl_power.h"
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#include "fsl_clock.h"
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#include "clock_config.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*******************************************************************************
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* Variables
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******************************************************************************/
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/* System clock frequency. */
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extern uint32_t SystemCoreClock;
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/*******************************************************************************
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************************ BOARD_InitBootClocks function ************************
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******************************************************************************/
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void BOARD_InitBootClocks(void)
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{
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BOARD_BootClockFRO30M();
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}
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/*******************************************************************************
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******************** Configuration BOARD_BootClockFRO18M **********************
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******************************************************************************/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!Configuration
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name: BOARD_BootClockFRO18M
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outputs:
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- {id: FROHF_clock.outFreq, value: 18 MHz}
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- {id: LowPower_clock.outFreq, value: 1 MHz}
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- {id: System_clock.outFreq, value: 9 MHz}
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- {id: WWDT_clock.outFreq, value: 1 MHz}
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- {id: divto750k_clock.outFreq, value: 750 kHz}
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sources:
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- {id: SYSCON.fro_osc.outFreq, value: 18 MHz}
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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/*******************************************************************************
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* Variables for BOARD_BootClockFRO18M configuration
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******************************************************************************/
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/*******************************************************************************
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* Code for BOARD_BootClockFRO18M configuration
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******************************************************************************/
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void BOARD_BootClockFRO18M(void)
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{
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/*!< Set up the clock sources */
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/*!< Set up FRO */
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POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
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POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
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CLOCK_SetFroOscFreq(kCLOCK_FroOscOut18M); /*!< Set up FRO freq */
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POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
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CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
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CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
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CLOCK_SetFRG0ClkFreq(9000000U); /*!< select frg0 freq */
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CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
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CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
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CLOCK_SetCoreSysClkDiv(1U);
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/*!< Set SystemCoreClock variable. */
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SystemCoreClock = BOARD_BOOTCLOCKFRO18M_CORE_CLOCK;
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}
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/*******************************************************************************
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******************** Configuration BOARD_BootClockFRO24M **********************
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******************************************************************************/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!Configuration
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name: BOARD_BootClockFRO24M
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outputs:
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- {id: FROHF_clock.outFreq, value: 24 MHz}
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- {id: LowPower_clock.outFreq, value: 1 MHz}
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- {id: System_clock.outFreq, value: 12 MHz}
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- {id: WWDT_clock.outFreq, value: 1 MHz}
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- {id: divto750k_clock.outFreq, value: 750 kHz}
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sources:
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- {id: SYSCON.fro_osc.outFreq, value: 24 MHz}
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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/*******************************************************************************
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* Variables for BOARD_BootClockFRO24M configuration
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******************************************************************************/
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/*******************************************************************************
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* Code for BOARD_BootClockFRO24M configuration
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******************************************************************************/
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void BOARD_BootClockFRO24M(void)
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{
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/*!< Set up the clock sources */
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/*!< Set up FRO */
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POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
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POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
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CLOCK_SetFroOscFreq(kCLOCK_FroOscOut24M); /*!< Set up FRO freq */
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POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
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CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
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CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
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CLOCK_SetFRG0ClkFreq(12000000U); /*!< select frg0 freq */
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CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
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CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
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CLOCK_SetCoreSysClkDiv(1U);
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/*!< Set SystemCoreClock variable. */
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SystemCoreClock = BOARD_BOOTCLOCKFRO24M_CORE_CLOCK;
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}
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/*******************************************************************************
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******************** Configuration BOARD_BootClockFRO30M **********************
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******************************************************************************/
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/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
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!!Configuration
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name: BOARD_BootClockFRO30M
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called_from_default_init: true
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outputs:
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- {id: FROHF_clock.outFreq, value: 30 MHz}
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- {id: LowPower_clock.outFreq, value: 1 MHz}
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- {id: System_clock.outFreq, value: 15 MHz}
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- {id: WWDT_clock.outFreq, value: 1 MHz}
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- {id: divto750k_clock.outFreq, value: 750 kHz}
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* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
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/*******************************************************************************
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* Variables for BOARD_BootClockFRO30M configuration
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******************************************************************************/
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/*******************************************************************************
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* Code for BOARD_BootClockFRO30M configuration
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******************************************************************************/
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void BOARD_BootClockFRO30M(void)
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{
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/*!< Set up the clock sources */
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/*!< Set up FRO */
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POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
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POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
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CLOCK_SetFroOscFreq(kCLOCK_FroOscOut30M); /*!< Set up FRO freq */
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POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
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CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
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CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
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CLOCK_SetFRG0ClkFreq(15000000U); /*!< select frg0 freq */
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CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
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CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
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CLOCK_SetCoreSysClkDiv(1U);
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/*!< Set SystemCoreClock variable. */
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SystemCoreClock = BOARD_BOOTCLOCKFRO30M_CORE_CLOCK;
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}
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