/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * Copyright 2016-2017,2019 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /*********************************************************************************************************************** * This file was generated by the MCUXpresso Config Tools. Any manual edits made to this file * will be overwritten if the respective MCUXpresso Config Tools is used to update this file. **********************************************************************************************************************/ /* * How to set up clock using clock driver functions: * * 1. Setup clock sources. * * 2. Setup voltage for the fastest of the clock outputs * * 3. Set up wait states of the flash. * * 4. Set up all dividers. * * 5. Set up all selectors to provide selected clocks. */ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!GlobalInfo product: Clocks v7.0 processor: LPC54018 package_id: LPC54018JET180 mcu_data: ksdk2_0 processor_version: 0.7.1 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ #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_BootClockPLL180M(); } /******************************************************************************* ******************** Configuration BOARD_BootClockFRO12M ********************** ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFRO12M outputs: - {id: FRO12M_clock.outFreq, value: 12 MHz} - {id: FROHF_clock.outFreq, value: 48 MHz} - {id: MAIN_clock.outFreq, value: 12 MHz} - {id: System_clock.outFreq, value: 12 MHz} settings: - {id: SYSCON.EMCCLKDIV.scale, value: '1', locked: true} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockFRO12M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockFRO12M configuration ******************************************************************************/ void BOARD_BootClockFRO12M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally being below the voltage for current speed */ /*!< Need to make sure ROM and OTP has power(PDRUNCFG0[17,29]= 0U) before calling this API since this API is implemented in ROM code */ CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */ POWER_SetVoltageForFreq( 12000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Reset divider counter and set divider to value 1 */ /*!< Set up clock selectors - Attach clocks to the peripheries */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO12M */ /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKFRO12M_CORE_CLOCK; } /******************************************************************************* ******************* Configuration BOARD_BootClockFROHF48M ********************* ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFROHF48M outputs: - {id: FRO12M_clock.outFreq, value: 12 MHz} - {id: FROHF_clock.outFreq, value: 48 MHz} - {id: MAIN_clock.outFreq, value: 48 MHz} - {id: System_clock.outFreq, value: 48 MHz} settings: - {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockFROHF48M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockFROHF48M configuration ******************************************************************************/ void BOARD_BootClockFROHF48M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally being below the voltage for current speed */ POWER_SetVoltageForFreq( 48000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */ /*!< Need to make sure ROM and OTP has power(PDRUNCFG0[17,29]= 0U) before calling this API since this API is implemented in ROM code */ CLOCK_SetupFROClocking(48000000U); /*!< Set up high frequency FRO output to selected frequency */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Reset divider counter and set divider to value 1 */ /*!< Set up clock selectors - Attach clocks to the peripheries */ CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */ /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKFROHF48M_CORE_CLOCK; } /******************************************************************************* ******************* Configuration BOARD_BootClockFROHF96M ********************* ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFROHF96M outputs: - {id: FRO12M_clock.outFreq, value: 12 MHz} - {id: FROHF_clock.outFreq, value: 96 MHz} - {id: MAIN_clock.outFreq, value: 96 MHz} - {id: System_clock.outFreq, value: 96 MHz} settings: - {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf} sources: - {id: SYSCON.fro_hf.outFreq, value: 96 MHz} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockFROHF96M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockFROHF96M configuration ******************************************************************************/ void BOARD_BootClockFROHF96M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally being below the voltage for current speed */ POWER_SetVoltageForFreq( 96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */ /*!< Need to make sure ROM and OTP has power(PDRUNCFG0[17,29]= 0U) before calling this API since this API is implemented in ROM code */ CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Reset divider counter and set divider to value 1 */ /*!< Set up clock selectors - Attach clocks to the peripheries */ CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */ /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKFROHF96M_CORE_CLOCK; } /******************************************************************************* ******************** Configuration BOARD_BootClockPLL180M ********************* ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockPLL180M called_from_default_init: true outputs: - {id: FRO12M_clock.outFreq, value: 12 MHz} - {id: FROHF_clock.outFreq, value: 96 MHz} - {id: MAIN_clock.outFreq, value: 180 MHz} - {id: SYSPLL_clock.outFreq, value: 180 MHz} - {id: System_clock.outFreq, value: 180 MHz} - {id: USB0_clock.outFreq, value: 96 MHz} settings: - {id: SYSCON.MAINCLKSELB.sel, value: SYSCON.PLL_BYPASS} - {id: SYSCON.M_MULT.scale, value: '30', locked: true} - {id: SYSCON.N_DIV.scale, value: '1', locked: true} - {id: SYSCON.PDEC.scale, value: '2', locked: true} - {id: SYSCON.USB0CLKSEL.sel, value: SYSCON.fro_hf} - {id: SYSCON_PDRUNCFG0_PDEN_SYS_PLL_CFG, value: Power_up} sources: - {id: SYSCON._clk_in.outFreq, value: 12 MHz, enabled: true} - {id: SYSCON.fro_hf.outFreq, value: 96 MHz} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockPLL180M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockPLL180M configuration ******************************************************************************/ void BOARD_BootClockPLL180M(void) { /*!< Set up the clock sources */ /*!< Set up FRO */ POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally being below the voltage for current speed */ POWER_DisablePD(kPDRUNCFG_PD_SYS_OSC); /*!< Enable System Oscillator Power */ SYSCON->SYSOSCCTRL = ((SYSCON->SYSOSCCTRL & ~SYSCON_SYSOSCCTRL_FREQRANGE_MASK) | SYSCON_SYSOSCCTRL_FREQRANGE(0U)); /*!< Set system oscillator range */ POWER_SetVoltageForFreq( 180000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */ /*!< Set up SYS PLL */ const pll_setup_t pllSetup = { .pllctrl = SYSCON_SYSPLLCTRL_SELI(32U) | SYSCON_SYSPLLCTRL_SELP(16U) | SYSCON_SYSPLLCTRL_SELR(0U), .pllmdec = (SYSCON_SYSPLLMDEC_MDEC(8191U)), .pllndec = (SYSCON_SYSPLLNDEC_NDEC(770U)), .pllpdec = (SYSCON_SYSPLLPDEC_PDEC(98U)), .pllRate = 180000000U, .flags = PLL_SETUPFLAG_WAITLOCK | PLL_SETUPFLAG_POWERUP}; CLOCK_AttachClk(kFRO12M_to_SYS_PLL); /*!< Set sys pll clock source*/ CLOCK_SetPLLFreq(&pllSetup); /*!< Configure PLL to the desired value */ /*!< Need to make sure ROM and OTP has power(PDRUNCFG0[17,29]= 0U) before calling this API since this API is implemented in ROM code */ CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Reset divider counter and set divider to value 1 */ CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 0U, true); /*!< Reset USB0CLKDIV divider counter and halt it */ CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1U, false); /*!< Set USB0CLKDIV divider to value 1 */ /*!< Set up clock selectors - Attach clocks to the peripheries */ CLOCK_AttachClk(kSYS_PLL_to_MAIN_CLK); /*!< Switch MAIN_CLK to SYS_PLL */ CLOCK_AttachClk(kFRO_HF_to_USB0_CLK); /*!< Switch USB0_CLK to FRO_HF */ SYSCON->MAINCLKSELA = ((SYSCON->MAINCLKSELA & ~SYSCON_MAINCLKSELA_SEL_MASK) | SYSCON_MAINCLKSELA_SEL(0U)); /*!< Switch MAINCLKSELA to FRO12M even it is not used for MAINCLKSELB */ /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKPLL180M_CORE_CLOCK; }