/* * Copyright 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 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 v4.1 processor: MKL27Z64xxx4 package_id: MKL27Z64VLH4 mcu_data: ksdk2_0 processor_version: 4.0.0 board: FRDM-KL27Z * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ #include "fsl_smc.h" #include "clock_config.h" /******************************************************************************* * Definitions ******************************************************************************/ #define SIM_CLKOUT_SEL_IRC48M_CLK 7U /*!< CLKOUT pin clock select: IRC48M clock */ #define SIM_FLEXIO_CLK_SEL_IRC48M_CLK 1U /*!< FLEXIO clock select: IRC48M clock */ #define SIM_LPUART_CLK_SEL_IRC48M_CLK 1U /*!< LPUART clock select: IRC48M clock */ #define SIM_OSC32KSEL_OSC32KCLK_CLK 0U /*!< OSC32KSEL select: OSC32KCLK clock */ #define SIM_RTC_CLKOUT_SEL_OSCERCLK_CLK 1U /*!< RTC clock output select: OSCERCLK clock */ #define SIM_TPM_CLK_SEL_IRC48M_CLK 1U /*!< TPM clock select: IRC48M clock */ #define SIM_USB_CLK_48000000HZ 48000000U /*!< Input SIM frequency for USB: 48000000Hz */ /******************************************************************************* * 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: CLKOUT.outFreq, value: 48 MHz} - {id: COPCLK.outFreq, value: 32.768 kHz} - {id: Core_clock.outFreq, value: 48 MHz} - {id: ERCLK32K.outFreq, value: 32.768 kHz} - {id: FLEXIOCLK.outFreq, value: 48 MHz} - {id: Flash_clock.outFreq, value: 24 MHz} - {id: LPO_clock.outFreq, value: 1 kHz} - {id: LPUART0CLK.outFreq, value: 48 MHz} - {id: LPUART1CLK.outFreq, value: 48 MHz} - {id: MCGIRCLK.outFreq, value: 8 MHz} - {id: MCGPCLK.outFreq, value: 48 MHz} - {id: OSCERCLK.outFreq, value: 32.768 kHz} - {id: RTC_CLKOUT.outFreq, value: 32.768 kHz} - {id: System_clock.outFreq, value: 48 MHz} - {id: TPMCLK.outFreq, value: 48 MHz} - {id: USB48MCLK.outFreq, value: 48 MHz} settings: - {id: MCGMode, value: HIRC} - {id: CLKOUTConfig, value: 'yes'} - {id: COPClkConfig, value: 'yes'} - {id: FLEXIOClkConfig, value: 'yes'} - {id: LPUART0ClkConfig, value: 'yes'} - {id: LPUART1ClkConfig, value: 'yes'} - {id: MCG.CLKS.sel, value: MCG.HIRC} - {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower} - {id: MCG_MC_HIRCEN_CFG, value: Enabled} - {id: OSC0_CR_ERCLKEN_CFG, value: Enabled} - {id: OSC_CR_ERCLKEN_CFG, value: Enabled} - {id: OSC_CR_SYS_OSC_CAP_LOAD_CFG, value: SC12PF} - {id: RTCCLKOUTConfig, value: 'yes'} - {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} - {id: TPMClkConfig, value: 'yes'} - {id: USBClkConfig, value: 'yes'} sources: - {id: MCG.HIRC.outFreq, value: 48 MHz} - {id: OSC.OSC.outFreq, value: 32.768 kHz, enabled: true} * 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 = 32768U, /* Oscillator frequency: 32768Hz */ .capLoad = (kOSC_Cap4P | kOSC_Cap8P), /* Oscillator capacity load: 12pF */ .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(); /* Initializes OSC0 according to board configuration. */ CLOCK_InitOsc0(&oscConfig_BOARD_BootClockRUN); CLOCK_SetXtal0Freq(oscConfig_BOARD_BootClockRUN.freq); /* 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; /* Set RTC_CLKOUT source. */ CLOCK_SetRtcClkOutClock(SIM_RTC_CLKOUT_SEL_OSCERCLK_CLK); /* Enable USB FS clock. */ CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, SIM_USB_CLK_48000000HZ); /* Set LPUART0 clock source. */ CLOCK_SetLpuart0Clock(SIM_LPUART_CLK_SEL_IRC48M_CLK); /* Set LPUART1 clock source. */ CLOCK_SetLpuart1Clock(SIM_LPUART_CLK_SEL_IRC48M_CLK); /* Set FLEXIO clock source. */ CLOCK_SetFlexio0Clock(SIM_FLEXIO_CLK_SEL_IRC48M_CLK); /* Set TPM clock source. */ CLOCK_SetTpmClock(SIM_TPM_CLK_SEL_IRC48M_CLK); /* Set CLKOUT source. */ CLOCK_SetClkOutClock(SIM_CLKOUT_SEL_IRC48M_CLK); } /******************************************************************************* ********************* 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.LIRCDIV1.scale, value: '1', locked: true} - {id: OSC0_CR_ERCLKEN_CFG, value: Enabled} - {id: OSC_CR_ERCLKEN_CFG, value: Enabled} - {id: OSC_CR_SYS_OSC_CAP_LOAD_CFG, value: SC12PF} - {id: RTCCLKOUTConfig, value: 'yes'} - {id: SIM.OUTDIV1.scale, value: '1', locked: true} - {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 = (kOSC_Cap4P | kOSC_Cap8P), /* Oscillator capacity load: 12pF */ .workMode = kOSC_ModeExt, /* Use external clock */ .oscerConfig = { .enableMode = kOSC_ErClkEnable, /* Enable external reference clock, disable external reference clock in STOP mode */ }}; /******************************************************************************* * 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; }