/* * Copyright 2019 ,2021 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 setup clock using clock driver functions: * * 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock * and flash clock are in allowed range during clock mode switch. * * 2. Call CLOCK_Osc0Init to setup OSC clock, if it is used in target mode. * * 3. Call CLOCK_SetMcgliteConfig to set MCG_Lite configuration. * * 4. Call CLOCK_SetSimConfig to set the clock configuration in SIM. */ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!GlobalInfo product: Clocks v7.0 processor: K32L2B31xxxxA package_id: K32L2B31VLH0A mcu_data: ksdk2_0 processor_version: 9.0.0 board: FRDM-K32L2B * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ #include "fsl_smc.h" #include "clock_config.h" /******************************************************************************* * Definitions ******************************************************************************/ #define OSC_CAP0P 0U /*!< Oscillator 0pF capacitor load */ #define OSC_ER_CLK_DISABLE 0U /*!< Disable external reference clock */ #define SIM_OSC32KSEL_OSC32KCLK_CLK 0U /*!< OSC32KSEL select: OSC32KCLK clock */ /******************************************************************************* * Variables ******************************************************************************/ /* System clock frequency. */ //extern uint32_t SystemCoreClock; /******************************************************************************* ************************ BOARD_InitBootClocks function ************************ ******************************************************************************/ void BOARD_InitBootClocks(void) { BOARD_BootClockRUN(); } /******************************************************************************* ********************** Configuration BOARD_BootClockRUN *********************** ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockRUN called_from_default_init: true outputs: - {id: Bus_clock.outFreq, value: 24 MHz} - {id: Core_clock.outFreq, value: 48 MHz} - {id: Flash_clock.outFreq, value: 24 MHz} - {id: LPO_clock.outFreq, value: 1 kHz} - {id: MCGIRCLK.outFreq, value: 8 MHz} - {id: MCGPCLK.outFreq, value: 48 MHz} - {id: System_clock.outFreq, value: 48 MHz} settings: - {id: MCGMode, value: HIRC} - {id: MCG.CLKS.sel, value: MCG.HIRC} - {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower} - {id: MCG_C2_RANGE0_CFG, value: Very_high} - {id: MCG_MC_HIRCEN_CFG, value: Enabled} - {id: OSC0_CR_ERCLKEN_CFG, value: Enabled} - {id: OSC_CR_ERCLKEN_CFG, value: Enabled} - {id: SIM.CLKOUTSEL.sel, value: MCG.MCGPCLK} - {id: SIM.COPCLKSEL.sel, value: OSC.OSCERCLK} - {id: SIM.FLEXIOSRCSEL.sel, value: MCG.MCGPCLK} - {id: SIM.LPUART0SRCSEL.sel, value: MCG.MCGPCLK} - {id: SIM.LPUART1SRCSEL.sel, value: MCG.MCGPCLK} - {id: SIM.RTCCLKOUTSEL.sel, value: OSC.OSCERCLK} - {id: SIM.TPMSRCSEL.sel, value: MCG.MCGPCLK} - {id: SIM.USBSRCSEL.sel, value: MCG.MCGPCLK} sources: - {id: MCG.HIRC.outFreq, value: 48 MHz} - {id: OSC.OSC.outFreq, value: 32 MHz} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockRUN configuration ******************************************************************************/ const mcglite_config_t mcgliteConfig_BOARD_BootClockRUN = { .outSrc = kMCGLITE_ClkSrcHirc, /* MCGOUTCLK source is HIRC */ .irclkEnableMode = kMCGLITE_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */ .ircs = kMCGLITE_Lirc8M, /* Slow internal reference (LIRC) 8 MHz clock selected */ .fcrdiv = kMCGLITE_LircDivBy1, /* Low-frequency Internal Reference Clock Divider: divided by 1 */ .lircDiv2 = kMCGLITE_LircDivBy1, /* Second Low-frequency Internal Reference Clock Divider: divided by 1 */ .hircEnableInNotHircMode = true, /* HIRC source is enabled */ }; const sim_clock_config_t simConfig_BOARD_BootClockRUN = { .er32kSrc = SIM_OSC32KSEL_OSC32KCLK_CLK, /* OSC32KSEL select: OSC32KCLK clock */ .clkdiv1 = 0x10000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /2 */ }; const osc_config_t oscConfig_BOARD_BootClockRUN = { .freq = 0U, /* Oscillator frequency: 0Hz */ .capLoad = (OSC_CAP0P), /* Oscillator capacity load: 0pF */ .workMode = kOSC_ModeOscLowPower, /* Oscillator low power */ .oscerConfig = { .enableMode = kOSC_ErClkEnable, /* Enable external reference clock, disable external reference clock in STOP mode */ } }; /******************************************************************************* * Code for BOARD_BootClockRUN configuration ******************************************************************************/ void BOARD_BootClockRUN(void) { /* Set the system clock dividers in SIM to safe value. */ CLOCK_SetSimSafeDivs(); /* Set MCG to HIRC mode. */ CLOCK_SetMcgliteConfig(&mcgliteConfig_BOARD_BootClockRUN); /* Set the clock configuration in SIM module. */ CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN); /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK; } /******************************************************************************* ********************* Configuration BOARD_BootClockVLPR *********************** ******************************************************************************/ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockVLPR outputs: - {id: Bus_clock.outFreq, value: 1 MHz} - {id: Core_clock.outFreq, value: 2 MHz} - {id: Flash_clock.outFreq, value: 1 MHz} - {id: LPO_clock.outFreq, value: 1 kHz} - {id: MCGIRCLK.outFreq, value: 2 MHz} - {id: System_clock.outFreq, value: 2 MHz} settings: - {id: MCGMode, value: LIRC2M} - {id: powerMode, value: VLPR} - {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower} - {id: RTCCLKOUTConfig, value: 'yes'} - {id: SIM.OUTDIV4.scale, value: '2', locked: true} - {id: SIM.RTCCLKOUTSEL.sel, value: OSC.OSCERCLK} sources: - {id: MCG.LIRC.outFreq, value: 2 MHz} - {id: OSC.OSC.outFreq, value: 32.768 kHz} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockVLPR configuration ******************************************************************************/ const mcglite_config_t mcgliteConfig_BOARD_BootClockVLPR = { .outSrc = kMCGLITE_ClkSrcLirc, /* MCGOUTCLK source is LIRC */ .irclkEnableMode = kMCGLITE_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */ .ircs = kMCGLITE_Lirc2M, /* Slow internal reference (LIRC) 2 MHz clock selected */ .fcrdiv = kMCGLITE_LircDivBy1, /* Low-frequency Internal Reference Clock Divider: divided by 1 */ .lircDiv2 = kMCGLITE_LircDivBy1, /* Second Low-frequency Internal Reference Clock Divider: divided by 1 */ .hircEnableInNotHircMode = false, /* HIRC source is not enabled */ }; const sim_clock_config_t simConfig_BOARD_BootClockVLPR = { .er32kSrc = SIM_OSC32KSEL_OSC32KCLK_CLK, /* OSC32KSEL select: OSC32KCLK clock */ .clkdiv1 = 0x10000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /2 */ }; const osc_config_t oscConfig_BOARD_BootClockVLPR = { .freq = 0U, /* Oscillator frequency: 0Hz */ .capLoad = (OSC_CAP0P), /* Oscillator capacity load: 0pF */ .workMode = kOSC_ModeOscLowPower, /* Oscillator low power */ .oscerConfig = { .enableMode = OSC_ER_CLK_DISABLE, /* Disable external reference clock */ } }; /******************************************************************************* * Code for BOARD_BootClockVLPR configuration ******************************************************************************/ void BOARD_BootClockVLPR(void) { /* Set the system clock dividers in SIM to safe value. */ CLOCK_SetSimSafeDivs(); /* Set MCG to LIRC2M mode. */ CLOCK_SetMcgliteConfig(&mcgliteConfig_BOARD_BootClockVLPR); /* Set the clock configuration in SIM module. */ CLOCK_SetSimConfig(&simConfig_BOARD_BootClockVLPR); /* Set VLPR power mode. */ SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); #if (defined(FSL_FEATURE_SMC_HAS_LPWUI) && FSL_FEATURE_SMC_HAS_LPWUI) SMC_SetPowerModeVlpr(SMC, false); #else SMC_SetPowerModeVlpr(SMC); #endif while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKVLPR_CORE_CLOCK; }