/* * Copyright 2017-2018 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. Set up wait states of the flash. * * 3. Set up all dividers. * * 4. Set up all selectors to provide selected clocks. */ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!GlobalInfo product: Clocks v4.1 processor: LPC55S69 package_id: LPC55S69JBD100 mcu_data: ksdk2_0 processor_version: 0.0.0 * 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_BootClockFROHF96M(); } /******************************************************************************* ******************** Configuration BOARD_BootClockFRO12M ********************** ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFRO12M outputs: - {id: System_clock.outFreq, value: 12 MHz} * 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) { #ifndef SDK_SECONDARY_CORE /*!< Set up the clock sources */ /*!< Configure FRO192M */ POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on */ CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change the clock setting */ CLOCK_SetupFROClocking(96000000U); /* Enable FRO HF(96MHz) output */ CLOCK_SetFLASHAccessCyclesForFreq(12000000U); /*!< Set FLASH wait states for core */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV 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; #endif } /******************************************************************************* ******************* Configuration BOARD_BootClockFROHF96M ********************* ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockFROHF96M called_from_default_init: true outputs: - {id: System_clock.outFreq, value: 96 MHz} settings: - {id: SYSCON.MAINCLKSELA.sel, value: ANACTRL.fro_hf_clk} * 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) { #ifndef SDK_SECONDARY_CORE /*!< Set up the clock sources */ /*!< Configure FRO192M */ POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on */ CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change the clock setting */ CLOCK_SetupFROClocking(96000000U); /* Enable FRO HF(96MHz) output */ CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV 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; #endif } /******************************************************************************* ******************** Configuration BOARD_BootClockPLL100M ********************* ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockPLL100M outputs: - {id: System_clock.outFreq, value: 100 MHz} settings: - {id: PLL0_Mode, value: Normal} - {id: ENABLE_CLKIN_ENA, value: Enabled} - {id: ENABLE_SYSTEM_CLK_OUT, value: Enabled} - {id: SYSCON.MAINCLKSELB.sel, value: SYSCON.PLL0_BYPASS} - {id: SYSCON.PLL0CLKSEL.sel, value: SYSCON.CLK_IN_EN} - {id: SYSCON.PLL0M_MULT.scale, value: '100', locked: true} - {id: SYSCON.PLL0N_DIV.scale, value: '4', locked: true} - {id: SYSCON.PLL0_PDEC.scale, value: '4', locked: true} - {id: 'SYSCON::PLL0SSCG0[MD_LBS].bitField', value: BitFieldValue} sources: - {id: SYSCON.XTAL32M.outFreq, value: 16 MHz, enabled: true} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockPLL100M configuration ******************************************************************************/ /******************************************************************************* * Code for BOARD_BootClockPLL100M configuration ******************************************************************************/ void BOARD_BootClockPLL100M(void) { #ifndef SDK_SECONDARY_CORE /*!< Set up the clock sources */ /*!< Configure FRO192M */ POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on */ CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */ CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change the clock setting */ CLOCK_SetupFROClocking(96000000U); /* Enable FRO HF(96MHz) output */ POWER_DisablePD(kPDRUNCFG_PD_XTAL32M); /* Ensure XTAL32M is powered */ POWER_DisablePD(kPDRUNCFG_PD_LDOXO32M); /* Ensure XTAL32M is powered */ CLOCK_SetupExtClocking(16000000U); /* Enable clk_in clock */ SYSCON->CLOCK_CTRL |= SYSCON_CLOCK_CTRL_CLKIN_ENA_MASK; /* Enable clk_in from XTAL32M clock */ ANACTRL->XO32M_CTRL |= ANACTRL_XO32M_CTRL_ENABLE_SYSTEM_CLK_OUT_MASK; /* Enable clk_in to system */ CLOCK_SetFLASHAccessCyclesForFreq(100000000U); /*!< Set FLASH wait states for core */ /*!< Set up PLL */ CLOCK_AttachClk(kEXT_CLK_to_PLL0); /*!< Switch PLL0CLKSEL to EXT_CLK */ POWER_DisablePD(kPDRUNCFG_PD_PLL0); /* Ensure PLL is on */ POWER_DisablePD(kPDRUNCFG_PD_PLL0_SSCG); const pll_setup_t pll0Setup = { .pllctrl = SYSCON_PLL0CTRL_CLKEN_MASK | SYSCON_PLL0CTRL_SELI(54U) | SYSCON_PLL0CTRL_SELP(26U), .pllndec = SYSCON_PLL0NDEC_NDIV(4U), .pllpdec = SYSCON_PLL0PDEC_PDIV(2U), .pllsscg = {0x0U,(SYSCON_PLL0SSCG1_MDIV_EXT(100U) | SYSCON_PLL0SSCG1_SEL_EXT_MASK)}, .pllRate = 100000000U, .flags = PLL_SETUPFLAG_WAITLOCK }; CLOCK_SetPLL0Freq(&pll0Setup); /*!< Configure PLL0 to the desired values */ /*!< Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */ /*!< Set up clock selectors - Attach clocks to the peripheries */ CLOCK_AttachClk(kPLL0_to_MAIN_CLK); /*!< Switch MAIN_CLK to PLL0 */ /*< Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKPLL100M_CORE_CLOCK; #endif }