/* * Copyright 2017-2020 NXP * * SPDX-License-Identifier: BSD-3-Clause */ /* * How to set up clock using clock driver functions: * * 1. Setup clock sources. * * 2. Set up all dividers. * * 3. Set up all selectors to provide selected clocks. */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!GlobalInfo product: Clocks v7.0 processor: LPC802 package_id: LPC802M001JDH20 mcu_data: ksdk2_0 processor_version: 0.7.8 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ #include "fsl_power.h" #include "fsl_clock.h" #include "clock_config.h" /******************************************************************************* * Definitions ******************************************************************************/ /******************************************************************************* * Variables ******************************************************************************/ /* System clock frequency. */ extern uint32_t SystemCoreClock; /******************************************************************************* ************************ BOARD_InitBootClocks function ************************ ******************************************************************************/ void BOARD_InitBootClocks(void) { BOARD_BootClockFRO30M(); } /******************************************************************************* ******************** Configuration BOARD_BootClockFRO18M ********************** ******************************************************************************/ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFRO18M outputs: - {id: FROHF_clock.outFreq, value: 18 MHz} - {id: LowPower_clock.outFreq, value: 1 MHz} - {id: System_clock.outFreq, value: 9 MHz} - {id: WWDT_clock.outFreq, value: 1 MHz} - {id: divto750k_clock.outFreq, value: 750 kHz} settings: - {id: SYSCON.CLKOUTSEL.sel, value: NO_CLOCK} - {id: SYSCON.FRG0CLKSEL.sel, value: NO_CLOCK} sources: - {id: SYSCON.fro_osc.outFreq, value: 18 MHz} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /******************************************************************************* * Variables for BOARD_BootClockFRO18M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockFRO18M configuration ******************************************************************************/ void BOARD_BootClockFRO18M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO is on */ POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */ CLOCK_SetFroOscFreq(kCLOCK_FroOscOut18M); /*!< Set up FRO freq */ POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure Main osc is on */ CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */ CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */ CLOCK_SetCoreSysClkDiv(1U); /*!< Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKFRO18M_CORE_CLOCK; } /******************************************************************************* ******************** Configuration BOARD_BootClockFRO24M ********************** ******************************************************************************/ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFRO24M outputs: - {id: FROHF_clock.outFreq, value: 24 MHz} - {id: LowPower_clock.outFreq, value: 1 MHz} - {id: System_clock.outFreq, value: 12 MHz} - {id: WWDT_clock.outFreq, value: 1 MHz} - {id: divto750k_clock.outFreq, value: 750 kHz} settings: - {id: SYSCON.CLKOUTSEL.sel, value: NO_CLOCK} - {id: SYSCON.FRG0CLKSEL.sel, value: NO_CLOCK} sources: - {id: SYSCON.fro_osc.outFreq, value: 24 MHz} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /******************************************************************************* * Variables for BOARD_BootClockFRO24M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockFRO24M configuration ******************************************************************************/ void BOARD_BootClockFRO24M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO is on */ POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */ CLOCK_SetFroOscFreq(kCLOCK_FroOscOut24M); /*!< Set up FRO freq */ POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure Main osc is on */ CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */ CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */ CLOCK_SetCoreSysClkDiv(1U); /*!< Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKFRO24M_CORE_CLOCK; } /******************************************************************************* ******************** Configuration BOARD_BootClockFRO30M ********************** ******************************************************************************/ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFRO30M called_from_default_init: true outputs: - {id: FROHF_clock.outFreq, value: 30 MHz} - {id: LowPower_clock.outFreq, value: 1 MHz} - {id: System_clock.outFreq, value: 15 MHz} - {id: WWDT_clock.outFreq, value: 1 MHz} - {id: divto750k_clock.outFreq, value: 750 kHz} settings: - {id: SYSCON.CLKOUTSEL.sel, value: NO_CLOCK} - {id: SYSCON.FRG0CLKSEL.sel, value: NO_CLOCK} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /******************************************************************************* * Variables for BOARD_BootClockFRO30M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockFRO30M configuration ******************************************************************************/ void BOARD_BootClockFRO30M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO is on */ POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */ CLOCK_SetFroOscFreq(kCLOCK_FroOscOut30M); /*!< Set up FRO freq */ POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure Main osc is on */ CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */ CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */ CLOCK_SetCoreSysClkDiv(1U); /*!< Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKFRO30M_CORE_CLOCK; }