/* * Set the clock configuration for RUN mode from VLPR mode. */ void APP_SetClockRunFromVlpr(void) { const mcglite_config_t mcgliteConfig = {.outSrc = kMCGLITE_ClkSrcHirc, .irclkEnableMode = 0U, .ircs = kMCGLITE_Lirc8M, .fcrdiv = kMCGLITE_LircDivBy1, .lircDiv2 = kMCGLITE_LircDivBy1, .hircEnableInNotHircMode = true}; const sim_clock_config_t simConfig = { .clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */ #if (defined(FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION) && FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION) .er32kSrc = 0U, /* SIM_SOPT1[OSC32KSEL]. */ #endif }; CLOCK_SetSimSafeDivs(); CLOCK_SetMcgliteConfig(&mcgliteConfig); CLOCK_SetSimConfig(&simConfig); } /* * Set the clock configuration for VLPR mode. */ void APP_SetClockVlpr(void) { const mcglite_config_t mcgliteConfig = { .outSrc = kMCGLITE_ClkSrcLirc, .irclkEnableMode = kMCGLITE_IrclkEnable, .ircs = kMCGLITE_Lirc2M, .fcrdiv = kMCGLITE_LircDivBy1, .lircDiv2 = kMCGLITE_LircDivBy1, .hircEnableInNotHircMode = false, }; const sim_clock_config_t simConfig = { .clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */ #if (defined(FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION) && FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION) .er32kSrc = 0U, /* SIM_SOPT1[OSC32KSEL]. */ #endif }; CLOCK_SetSimSafeDivs(); CLOCK_SetMcgliteConfig(&mcgliteConfig); CLOCK_SetSimConfig(&simConfig); }
/*! * @brief Main function */ int main(void) { volatile uint32_t i; uint32_t sysFreq; /* Structure for OSC configuration */ osc_config_t oscConfig; oscConfig.freq = BOARD_XTAL0_CLK_HZ; oscConfig.capLoad = 0U; oscConfig.workMode = kOSC_ModeOscLowPower; oscConfig.oscerConfig.enableMode = kOSC_ErClkEnable; BOARD_InitPins(); CLOCK_InitOsc0(&oscConfig); CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); /* Set clock divider to safe value to switch mode */ CLOCK_SetSimSafeDivs(); #if (defined(FSL_FEATURE_MCG_HAS_PLL_INTERNAL_MODE) && FSL_FEATURE_MCG_HAS_PLL_INTERNAL_MODE) /* Calculate frdiv */ if (!APP_GetAvailableFrdiv()) { while (1) { } } #endif /* FSL_FEATURE_MCG_HAS_PLL_INTERNAL_MODE || FSL_FEATURE_MCG_USE_PLLREFSEL */ /* Configure pll */ if (!APP_GetAvailablePllConfig(&g_pllConfig)) { while (1) { } } APP_BootToPeeExample(); /* Change clock PEE -> PBE -> BLPE */ APP_ChangePeeToBlpeExample(); /* Change clock BLPE -> PBE -> PEE */ APP_ChangeBlpeToPeeExample(); /* Get System clock to blink a LED */ sysFreq = CLOCK_GetFreq(kCLOCK_CoreSysClk) / 20U; /* Enable a LED */ LED_INIT(); /* Blink a LED */ while (1) { for (i = 0; i < sysFreq; i++) { __NOP(); } LED_TOGGLE(); } }
/******************************************************************************* * Code for BOARD_BootClockRUN configuration ******************************************************************************/ void BOARD_BootClockRUN(void) { /* Setup the reference oscillator. */ BOARD_RfOscInit(); /* Set the system clock dividers in SIM to safe value. */ CLOCK_SetSimSafeDivs(); /* Enable RTC oscillator. */ CLOCK_CONFIG_EnableRtcOsc(RTC_OSC_CAP_LOAD_0PF); /* Initializes OSC0 according to Ref OSC needs. */ BOARD_InitOsc0(); /* Set MCG to FEE mode. */ CLOCK_BootToFeeMode(mcgConfig_BOARD_BootClockRUN.oscsel, mcgConfig_BOARD_BootClockRUN.frdiv, mcgConfig_BOARD_BootClockRUN.dmx32, mcgConfig_BOARD_BootClockRUN.drs, CLOCK_CONFIG_FllStableDelay); /* Configure the Internal Reference clock (MCGIRCLK). */ CLOCK_SetInternalRefClkConfig(mcgConfig_BOARD_BootClockRUN.irclkEnableMode, mcgConfig_BOARD_BootClockRUN.ircs, mcgConfig_BOARD_BootClockRUN.fcrdiv); /* Set the clock configuration in SIM module. */ CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN); /* Configure RTC clock. */ CLOCK_CONFIG_SetRtcClock(); /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK; /* Set LPUART0 clock source. */ CLOCK_SetLpuartClock(SIM_LPUART_CLK_SEL_OSCERCLK_CLK); /* Set TPM clock source. */ CLOCK_SetTpmClock(SIM_TPM_CLK_SEL_OSCERCLK_CLK); }
/******************************************************************************* * Code for BOARD_BootClockVLPR configuration ******************************************************************************/ void BOARD_BootClockVLPR(void) { /* ERR010224 */ RSIM->RF_OSC_CTRL |= RSIM_RF_OSC_CTRL_RADIO_EXT_OSC_OVRD_EN_MASK; /* Prevent XTAL_OUT_EN from generating XTAL_OUT request */ /* Set the system clock dividers in SIM to safe value. */ CLOCK_SetSimSafeDivs(); /* Set MCG to BLPI mode. */ CLOCK_BootToBlpiMode(mcgConfig_BOARD_BootClockVLPR.fcrdiv, mcgConfig_BOARD_BootClockVLPR.ircs, mcgConfig_BOARD_BootClockVLPR.irclkEnableMode); /* 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; }
void BOARD_BootClockRUN(void) { CLOCK_SetSimSafeDivs(); CLOCK_SetMcgliteConfig(&g_defaultClockConfigRun.mcgliteConfig); CLOCK_SetSimConfig(&g_defaultClockConfigRun.simConfig); SystemCoreClock = g_defaultClockConfigRun.coreClock; }
/*! * @brief Main function */ int main(void) { volatile uint32_t i; uint32_t sysFreq; /* Structure for OSC configuration */ osc_config_t oscConfig; oscConfig.freq = BOARD_XTAL0_CLK_HZ; oscConfig.capLoad = 0U; oscConfig.workMode = kOSC_ModeOscLowPower; oscConfig.oscerConfig.enableMode = kOSC_ErClkEnable; BOARD_InitPins(); CLOCK_InitOsc0(&oscConfig); CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); /* Set clock divider to safe value to switch mode */ CLOCK_SetSimSafeDivs(); /* Calculate frdiv */ if (!APP_GetAvailableFrdiv()) { while (1) { } } /* Boot to Fee mode */ APP_BootToFeeExample(); /* Change clock FEE -> FBE -> BLPE */ APP_ChangeFeeToBlpeExample(); /* Change clock BLPE -> FBE -> FEE */ APP_ChangeBlpeToFeeExample(); /* Get System clock to blink a LED */ sysFreq = CLOCK_GetFreq(kCLOCK_CoreSysClk) / 20U; /* Enable a LED */ LED_INIT(); /* Blink a LED */ while (1) { for (i = 0; i < sysFreq; i++) { __NOP(); } LED_TOGGLE(); } }
void BOARD_BootClockVLPR(void) { CLOCK_SetSimSafeDivs(); CLOCK_SetMcgliteConfig(&g_defaultClockConfigVlpr.mcgliteConfig); CLOCK_SetSimConfig(&g_defaultClockConfigVlpr.simConfig); SystemCoreClock = g_defaultClockConfigVlpr.coreClock; SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeVlpr(SMC); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } }
void BOARD_BootClockVLPR(void) { CLOCK_SetSimSafeDivs(); CLOCK_BootToBlpiMode(g_defaultClockConfigVlpr.mcgConfig.fcrdiv, g_defaultClockConfigVlpr.mcgConfig.ircs, g_defaultClockConfigVlpr.mcgConfig.irclkEnableMode); CLOCK_SetSimConfig(&g_defaultClockConfigVlpr.simConfig); SystemCoreClock = g_defaultClockConfigVlpr.coreClock; SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeVlpr(SMC, false); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } }
void BOARD_BootClockRUN(void) { CLOCK_SetSimSafeDivs(); CLOCK_InitOsc0(&g_defaultClockConfigRun.oscConfig); CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); CLOCK_BootToPeeMode(g_defaultClockConfigRun.mcgConfig.oscsel, kMCG_PllClkSelPll0, &g_defaultClockConfigRun.mcgConfig.pll0Config); CLOCK_SetInternalRefClkConfig(g_defaultClockConfigRun.mcgConfig.irclkEnableMode, g_defaultClockConfigRun.mcgConfig.ircs, g_defaultClockConfigRun.mcgConfig.fcrdiv); CLOCK_SetSimConfig(&g_defaultClockConfigRun.simConfig); SystemCoreClock = g_defaultClockConfigRun.coreClock; }
void BOARD_BootClockRUN(void) { /* Set the system clock dividers in SIM to safe value. */ CLOCK_SetSimSafeDivs(); /* Configure RTC clock including enabling RTC oscillator. */ CLOCK_CONFIG_SetRtcClock(RTC_OSC_CAP_LOAD_0PF, RTC_RTC32KCLK_PERIPHERALS_ENABLED); /* Enable IRC48M oscillator for K24 as workaround because there is not enabled the oscillator automatically. */ CLOCK_CONFIG_EnableIrc48MOsc(); /* Configure FLL external reference divider (FRDIV). */ CLOCK_CONFIG_SetFllExtRefDiv(g_defaultClockConfigRun.mcgConfig.frdiv); /* Set MCG to PEE mode. */ CLOCK_BootToPeeMode(g_defaultClockConfigRun.mcgConfig.oscsel, kMCG_PllClkSelPll0, &g_defaultClockConfigRun.mcgConfig.pll0Config); /* Set the clock configuration in SIM module. */ CLOCK_SetSimConfig(&g_defaultClockConfigRun.simConfig); /* Set SystemCoreClock variable. */ SystemCoreClock = g_defaultClockConfigRun.coreClock; /* Set CLKOUT source. */ CLOCK_SetClkOutClock(SIM_CLKOUT_SEL_FLEXBUS_CLK); }
/** * * @brief Initialize the system clock * * This routine will configure the multipurpose clock generator (MCG) to * set up the system clock. * The MCG has nine possible modes, including Stop mode. This routine assumes * that the current MCG mode is FLL Engaged Internal (FEI), as from reset. * It transitions through the FLL Bypassed External (FBE) and * PLL Bypassed External (PBE) modes to get to the desired * PLL Engaged External (PEE) mode and generate the maximum 120 MHz system * clock. * * @return N/A * */ static ALWAYS_INLINE void clkInit(void) { CLOCK_SetSimSafeDivs(); CLOCK_InitOsc0(&oscConfig); CLOCK_SetXtal0Freq(CONFIG_OSC_XTAL0_FREQ); CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, CONFIG_MCG_FCRDIV); CLOCK_SetSimConfig(&simConfig); #if CONFIG_ETH_MCUX CLOCK_SetEnetTime0Clock(TIMESRC_OSCERCLK); #endif #if CONFIG_USB_KINETIS CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcPll0, CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC); #endif }
void BOARD_BootClockHSRUN(void) { SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeHsrun(SMC); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateHsrun) { } CLOCK_SetSimSafeDivs(); CLOCK_InitOsc0(&g_defaultClockConfigHsrun.oscConfig); CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); CLOCK_BootToPeeMode(g_defaultClockConfigHsrun.mcgConfig.oscsel, kMCG_PllClkSelPll0, &g_defaultClockConfigHsrun.mcgConfig.pll0Config); CLOCK_SetInternalRefClkConfig(g_defaultClockConfigHsrun.mcgConfig.irclkEnableMode, g_defaultClockConfigHsrun.mcgConfig.ircs, g_defaultClockConfigHsrun.mcgConfig.fcrdiv); CLOCK_SetSimConfig(&g_defaultClockConfigHsrun.simConfig); SystemCoreClock = g_defaultClockConfigHsrun.coreClock; }
void InitClock(void) { // Core clock: 48MHz // Bus clock: 24MHz const mcglite_config_t mcgliteConfig = { .outSrc = kMCGLITE_ClkSrcHirc, .irclkEnableMode = 0U, .ircs = kMCGLITE_Lirc8M, .fcrdiv = kMCGLITE_LircDivBy1, .lircDiv2 = kMCGLITE_LircDivBy1, .hircEnableInNotHircMode = true, }; const sim_clock_config_t simConfig = { .er32kSrc = 0U, /* SIM_SOPT1[OSC32KSEL]. */ .clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */ }; CLOCK_SetSimSafeDivs(); CLOCK_SetMcgliteConfig(&mcgliteConfig); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 48000000U; }
/* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockVLPR outputs: - {id: Bus_clock.outFreq, value: 800 kHz} - {id: Core_clock.outFreq, value: 4 MHz} - {id: Flash_clock.outFreq, value: 800 kHz} - {id: LPO_clock.outFreq, value: 1 kHz} - {id: MCGIRCLK.outFreq, value: 4 MHz} - {id: System_clock.outFreq, value: 4 MHz} settings: - {id: MCGMode, value: BLPI} - {id: powerMode, value: VLPR} - {id: MCG.CLKS.sel, value: MCG.IRCS} - {id: MCG.FCRDIV.scale, value: '1'} - {id: MCG.IRCS.sel, value: MCG.FCRDIV} - {id: MCG_C1_IRCLKEN_CFG, value: Enabled} - {id: SIM.OUTDIV4.scale, value: '5'} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ void BOARD_BootClockVLPR(void) { const sim_clock_config_t simConfig = { .er32kSrc = 0U, .clkdiv1 = 0x00040000U, }; /* ERR010224 */ RSIM->RF_OSC_CTRL |= RSIM_RF_OSC_CTRL_RADIO_EXT_OSC_OVRD_EN_MASK; /* Prevent XTAL_OUT_EN from generating XTAL_OUT request */ CLOCK_SetSimSafeDivs(); CLOCK_BootToBlpiMode(0U, kMCG_IrcFast, kMCG_IrclkEnable); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 4000000U; SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeVlpr(SMC); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } } /******************************************************************************* ********************** Configuration BOARD_BootClockRUN *********************** ******************************************************************************/ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!Configuration name: BOARD_BootClockRUN called_from_default_init: true outputs: - {id: Bus_clock.outFreq, value: 20 MHz} - {id: Core_clock.outFreq, value: 40 MHz} - {id: Flash_clock.outFreq, value: 20 MHz} - {id: LPO_clock.outFreq, value: 1 kHz} - {id: MCGFLLCLK.outFreq, value: 40 MHz} - {id: MCGIRCLK.outFreq, value: 32.768 kHz} - {id: OSCERCLK.outFreq, value: 32 MHz} - {id: System_clock.outFreq, value: 40 MHz} settings: - {id: MCGMode, value: FEE} - {id: MCG.FCRDIV.scale, value: '1'} - {id: MCG.FLL_mul.scale, value: '1280'} - {id: MCG.FRDIV.scale, value: '1024'} - {id: MCG.IREFS.sel, value: MCG.FRDIV} - {id: MCG_C1_IRCLKEN_CFG, value: Enabled} - {id: MCG_C2_RANGE0_FRDIV_CFG, value: Very_high} - {id: MCG_C2_RANGE_CFG, value: Very_high} - {id: RTC_CR_OSCE_CFG, value: Oscillator_enabled} sources: - {id: REFOSC.OSC.outFreq, value: 32 MHz, enabled: true} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ void BOARD_BootClockRUN(void) { const sim_clock_config_t simConfig = { .er32kSrc = 0U, .clkdiv1 = 0x00010000U, }; BOARD_RfOscInit(); CLOCK_SetSimSafeDivs(); BOARD_InitOsc0(); CLOCK_BootToFeeMode(kMCG_OscselOsc, 5U, kMCG_Dmx32Default, kMCG_DrsMid, CLOCK_SYS_FllStableDelay); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0U); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 40000000U; } void BOARD_RfOscInit(void) { uint32_t temp, tempTrim; uint8_t revId; /* Obtain REV ID from SIM */ temp = SIM->SDID; revId = (uint8_t)((temp & SIM_SDID_REVID_MASK) >> SIM_SDID_REVID_SHIFT); if(0 == revId) { tempTrim = RSIM->ANA_TRIM; RSIM->ANA_TRIM |= RSIM_ANA_TRIM_BB_LDO_XO_TRIM_MASK; /* Set max trim for BB LDO for XO */ }/* Workaround for Rev 1.0 XTAL startup and ADC analog diagnostics circuitry */ /* Turn on clocks for the XCVR */ /* Enable RF OSC in RSIM and wait for ready */ temp = RSIM->CONTROL; temp &= ~RSIM_CONTROL_RF_OSC_EN_MASK; RSIM->CONTROL = temp | RSIM_CONTROL_RF_OSC_EN(1); /* ERR010224 */ RSIM->RF_OSC_CTRL |= RSIM_RF_OSC_CTRL_RADIO_EXT_OSC_OVRD_EN_MASK; /* Prevent XTAL_OUT_EN from generating XTAL_OUT request */ while((RSIM->CONTROL & RSIM_CONTROL_RF_OSC_READY_MASK) == 0); /* Wait for RF_OSC_READY */ if(0 == revId) { SIM->SCGC5 |= SIM_SCGC5_PHYDIG_MASK; XCVR_TSM->OVRD0 |= XCVR_TSM_OVRD0_BB_LDO_ADCDAC_EN_OVRD_EN_MASK | XCVR_TSM_OVRD0_BB_LDO_ADCDAC_EN_OVRD_MASK; /* Force ADC DAC LDO on to prevent BGAP failure */ RSIM->ANA_TRIM = tempTrim; /* Reset LDO trim settings */ }/* Workaround for Rev 1.0 XTAL startup and ADC analog diagnostics circuitry */ } void BOARD_InitOsc0(void) { const osc_config_t oscConfig = { .freq = BOARD_XTAL0_CLK_HZ, .workMode = kOSC_ModeExt, }; CLOCK_InitOsc0(&oscConfig); /* Passing the XTAL0 frequency to clock driver. */ CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); }
void BOARD_BootClockVLPR(void) { /* * Core clock: 4MHz * Bus clock: 4MHz */ const sim_clock_config_t simConfig = { .pllFllSel = 0U, /* PLLFLLSEL select MCG FLL. */ .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ .clkdiv1 = 0x00040000U, /* SIM_CLKDIV1. */ }; CLOCK_SetSimSafeDivs(); CLOCK_BootToBlpiMode(0U, kMCG_IrcFast, kMCG_IrclkEnable); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 4000000U; SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeVlpr(SMC); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } } void BOARD_BootClockRUN(void) { /* * Core clock: 72MHz * Bus clock: 36MHz * Flash clock: 26MHz */ const mcg_pll_config_t pll0Config = { .enableMode = 0U, .prdiv = 0x07U, .vdiv = 0x0CU, }; const sim_clock_config_t simConfig = { .pllFllSel = 1U, /* PLLFLLSEL select MCG PLL. */ .er32kSrc = 3U, /* ERCLK32K selection, use LPO 1 kHz. */ .clkdiv1 = 0x01020000U, /* SIM_CLKDIV1. */ }; CLOCK_SetSimSafeDivs(); BOARD_InitOsc0(); CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 72000000U; } void BOARD_InitOsc0(void) { const osc_config_t oscConfig = {.freq = BOARD_XTAL0_CLK_HZ, .capLoad = 10, .workMode = kOSC_ModeExt, .oscerConfig = { .enableMode = kOSC_ErClkEnable, #if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) .erclkDiv = 0U, #endif }}; CLOCK_InitOsc0(&oscConfig); /* Passing the XTAL0 frequency to clock driver. */ CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); /* Use RTC_CLKIN input clock directly. */ CLOCK_SetXtal32Freq(BOARD_XTAL32K_CLK_HZ); }
static ALWAYS_INLINE void clkInit(void) { /* * Core clock: 48MHz * Bus clock: 24MHz */ const mcg_pll_config_t pll0Config = { .enableMode = 0U, .prdiv = CONFIG_MCG_PRDIV0, .vdiv = CONFIG_MCG_VDIV0, }; const sim_clock_config_t simConfig = { .pllFllSel = 1U, /* PLLFLLSEL select PLL. */ .er32kSrc = 3U, /* ERCLK32K selection, use LPO. */ .clkdiv1 = 0x10010000U, /* SIM_CLKDIV1. */ }; const osc_config_t oscConfig = {.freq = CONFIG_OSC_XTAL0_FREQ, .capLoad = 0, #if defined(CONFIG_OSC_EXTERNAL) .workMode = kOSC_ModeExt, #elif defined(CONFIG_OSC_LOW_POWER) .workMode = kOSC_ModeOscLowPower, #elif defined(CONFIG_OSC_HIGH_GAIN) .workMode = kOSC_ModeOscHighGain, #else #error "An oscillator mode must be defined" #endif .oscerConfig = { .enableMode = kOSC_ErClkEnable, #if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && \ FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) .erclkDiv = 0U, #endif } }; CLOCK_SetSimSafeDivs(); CLOCK_InitOsc0(&oscConfig); /* Passing the XTAL0 frequency to clock driver. */ CLOCK_SetXtal0Freq(CONFIG_OSC_XTAL0_FREQ); CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0); CLOCK_SetSimConfig(&simConfig); #ifdef CONFIG_UART_MCUX_LPSCI_0 CLOCK_SetLpsci0Clock(LPSCI0SRC_MCGFLLCLK); #endif } static int kl2x_init(struct device *arg) { ARG_UNUSED(arg); int oldLevel; /* old interrupt lock level */ /* disable interrupts */ oldLevel = irq_lock(); /* Disable the watchdog */ SIM->COPC = 0; /* Initialize system clock to 48 MHz */ clkInit(); /* * install default handler that simply resets the CPU * if configured in the kernel, NOP otherwise */ NMI_INIT(); /* restore interrupt state */ irq_unlock(oldLevel); return 0; } SYS_INIT(kl2x_init, PRE_KERNEL_1, 0);
void BOARD_BootClockVLPR(void) { /* * Core clock: 4MHz */ const sim_clock_config_t simConfig = { .pllFllSel = 0U, /* PLLFLLSEL select FLL. */ .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ .clkdiv1 = 0x00030000U, /* SIM_CLKDIV1. */ }; CLOCK_SetSimSafeDivs(); CLOCK_BootToBlpiMode(0U, kMCG_IrcFast, kMCG_IrclkEnable); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 4000000U; SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeVlpr(SMC, false); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } } void BOARD_BootClockRUN(void) { /* * Core clock: 48MHz * Bus clock: 24MHz */ const mcg_pll_config_t pll0Config = { .enableMode = 0U, .prdiv = 0x1U, .vdiv = 0x0U, }; const sim_clock_config_t simConfig = { .pllFllSel = 1U, /* PLLFLLSEL select PLL. */ .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ .clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */ }; /* Perform initialization of the wireless modem clock output */ if (BOARD_ExtClk_Setup_HookUp(BOARD_XTAL0_CLK_HZ) != 1U) { /* If the initialization was not successfully, do not continue with clock setup */ return; } CLOCK_SetSimSafeDivs(); BOARD_InitOsc0(); CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 48000000U; } void BOARD_InitOsc0(void) { const osc_config_t oscConfig = {.freq = BOARD_XTAL0_CLK_HZ, .capLoad = 0, .workMode = kOSC_ModeOscLowPower, .oscerConfig = { .enableMode = kOSC_ErClkEnable | kOSC_ErClkEnableInStop, #if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) .erclkDiv = 0U, #endif }}; CLOCK_InitOsc0(&oscConfig); /* Passing the XTAL0 frequency to clock driver. */ CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); }
void BOARD_BootClockVLPR(void) { /* * Core clock: 4MHz */ const sim_clock_config_t simConfig = { .pllFllSel = 3U, /* PLLFLLSEL select IRC48MCLK. */ .pllFllDiv = 0U, /* PLLFLLSEL clock divider divisor. */ .pllFllFrac = 0U, /* PLLFLLSEL clock divider fraction. */ .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ .clkdiv1 = 0x03040000U, /* SIM_CLKDIV1. */ }; CLOCK_SetSimSafeDivs(); CLOCK_BootToBlpiMode(0U, kMCG_IrcFast, kMCG_IrclkEnable); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 4000000U; SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeVlpr(SMC); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) { } } void BOARD_BootClockRUN(void) { /* * Core clock: 72MHz */ const mcg_pll_config_t pll0Config = { .enableMode = 0U, .prdiv = 0x00U, .vdiv = 0x08U, }; const sim_clock_config_t simConfig = { .pllFllSel = 1U, /* PLLFLLSEL select PLL. */ .pllFllDiv = 0U, /* PLLFLLSEL clock divider divisor. */ .pllFllFrac = 0U, /* PLLFLLSEL clock divider fraction. */ .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ .clkdiv1 = 0x15051000U, /* SIM_CLKDIV1. */ }; CLOCK_SetSimSafeDivs(); BOARD_InitOsc0(); CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 72000000U; } void BOARD_BootClockHSRUN(void) { /* * Core clock: 96MHz */ SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); SMC_SetPowerModeHsrun(SMC); while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateHsrun) { } CLOCK_SetSimSafeDivs(); BOARD_InitOsc0(); const sim_clock_config_t simConfig = { .pllFllSel = 1U, /* PLLFLLSEL select PLL. */ .pllFllDiv = 0U, /* PLLFLLSEL clock divider divisor. */ .pllFllFrac = 0U, /* PLLFLLSEL clock divider fraction. */ .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ .clkdiv1 = 0x03030000U, /* SIM_CLKDIV1. */ }; const mcg_pll_config_t pll0Config = { .enableMode = 0U, .prdiv = 0x00U, .vdiv = 0x00U, }; CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config); CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0); CLOCK_SetSimConfig(&simConfig); SystemCoreClock = 96000000U; } void BOARD_InitOsc0(void) { const osc_config_t oscConfig = {.freq = BOARD_XTAL0_CLK_HZ, .capLoad = 0, .workMode = kOSC_ModeOscLowPower, .oscerConfig = { .enableMode = kOSC_ErClkEnable, #if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) .erclkDiv = 0U, #endif }}; CLOCK_InitOsc0(&oscConfig); /* Passing the XTAL0 frequency to clock driver. */ CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); CLOCK_SetXtal32Freq(BOARD_XTAL32K_CLK_HZ); }