/* * Copyright 2021 NXP * * 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 all selectors to provide selected clocks. * * 3. Set up all dividers. */ /* clang-format off */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* !!GlobalInfo product: Clocks v7.0 processor: MIMXRT685S package_id: MIMXRT685SFVKB mcu_data: ksdk2_0 processor_version: 0.9.6 board: MIMXRT685-AUD-EVK * 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; /*FUNCTION********************************************************************** * * Function Name : BOARD_FlexspiClockSafeConfig * Description : FLEXSPI clock source safe configuration weak function. * Called before clock source(Such as PLL, Main clock) configuration. * Note : Users need override this function to change FLEXSPI clock source to stable source when executing * code on FLEXSPI memory(XIP). If XIP, the function should runs in RAM and move the FLEXSPI clock *source to an stable clock to avoid instruction/data fetch issue during clock updating. *END**************************************************************************/ __attribute__((weak)) void BOARD_FlexspiClockSafeConfig(void) { } /*FUNCTION********************************************************************** * * Function Name : BOARD_SetFlexspiClock * Description : This function should be overridden if executing code on FLEXSPI memory(XIP). * To Change FLEXSPI clock, should move to run from RAM and then configure FLEXSPI clock source. * After the clock is changed and stable, move back to run on FLEXSPI. * Param src : FLEXSPI clock source. * Param divider : FLEXSPI clock divider. *END**************************************************************************/ __attribute__((weak)) void BOARD_SetFlexspiClock(uint32_t src, uint32_t divider) { CLKCTL0->FLEXSPIFCLKSEL = CLKCTL0_FLEXSPIFCLKSEL_SEL(src); CLKCTL0->FLEXSPIFCLKDIV |= CLKCTL0_FLEXSPIFCLKDIV_RESET_MASK; /* Reset the divider counter */ CLKCTL0->FLEXSPIFCLKDIV = CLKCTL0_FLEXSPIFCLKDIV_DIV(divider - 1); while ((CLKCTL0->FLEXSPIFCLKDIV) & CLKCTL0_FLEXSPIFCLKDIV_REQFLAG_MASK) { } } /******************************************************************************* ************************ 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: FLEXSPI_clock.outFreq, value: 1056/19 MHz} - {id: LPOSC1M_clock.outFreq, value: 1 MHz} - {id: OSTIMER_clock.outFreq, value: 1 MHz} - {id: System_clock.outFreq, value: 4752/19 MHz} - {id: TRACE_clock.outFreq, value: 4752/19 MHz} - {id: WAKE_32K_clock.outFreq, value: 31.25 kHz} settings: - {id: AUDIOPLL0_PFD0_CLK_GATE, value: Enabled} - {id: PFC0DIV_HALT, value: Enable} - {id: PLL0_PFD0_CLK_GATE, value: Enabled} - {id: PLL0_PFD2_CLK_GATE, value: Enabled} - {id: SYSCON.AUDIOPLL0CLKSEL.sel, value: SYSCON.SYSOSCBYPASS} - {id: SYSCON.AUDIOPLL0_PFD0_DIV.scale, value: '26', locked: true} - {id: SYSCON.AUDIOPLLCLKDIV.scale, value: '15', locked: true} - {id: SYSCON.AUDIO_PLL0_PFD0_MUL.scale, value: '18', locked: true} - {id: SYSCON.FLEXSPIFCLKDIV.scale, value: '9', locked: true} - {id: SYSCON.FLEXSPIFCLKSEL.sel, value: SYSCON.MAINPLLCLKDIV} - {id: SYSCON.FRGPLLCLKDIV.scale, value: '12', locked: true} - {id: SYSCON.MAINCLKSELB.sel, value: SYSCON.MAINPLLCLKDIV} - {id: SYSCON.PFC0DIV.scale, value: '2', locked: true} - {id: SYSCON.PFC1DIV.scale, value: '1', locked: true} - {id: SYSCON.PLL0.denom, value: '1'} - {id: SYSCON.PLL0.div, value: '22', locked: true} - {id: SYSCON.PLL0.num, value: '0'} - {id: SYSCON.PLL0_PFD0_DIV.scale, value: '19', locked: true} - {id: SYSCON.PLL0_PFD0_MUL.scale, value: '18', locked: true} - {id: SYSCON.PLL0_PFD2_DIV.scale, value: '24', locked: true} - {id: SYSCON.PLL0_PFD2_MUL.scale, value: '18', locked: true} - {id: SYSCON.PLL1.denom, value: '27000', locked: true} - {id: SYSCON.PLL1.div, value: '22'} - {id: SYSCON.PLL1.num, value: '5040', locked: true} - {id: SYSCON.SYSCPUAHBCLKDIV.scale, value: '2'} - {id: SYSCON.SYSPLL0CLKSEL.sel, value: SYSCON.SYSOSCBYPASS} - {id: SYSCTL_PDRUNCFG_AUDIOPLL_CFG, value: 'No'} - {id: SYSCTL_PDRUNCFG_SYSPLL_CFG, value: 'No'} - {id: SYSCTL_PDRUNCFG_SYSXTAL_CFG, value: Power_up} - {id: XTAL_LP_Enable, value: LowPowerMode} sources: - {id: SYSCON.XTAL.outFreq, value: 24 MHz, enabled: true} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /* clang-format on */ /******************************************************************************* * Variables for BOARD_BootClockRUN configuration ******************************************************************************/ const clock_sys_pll_config_t g_sysPllConfig_BOARD_BootClockRUN = { .sys_pll_src = kCLOCK_SysPllXtalIn, /* OSC clock */ .numerator = 0, /* Numerator of the SYSPLL0 fractional loop divider isnull */ .denominator = 1, /* Denominator of the SYSPLL0 fractional loop divider isnull */ .sys_pll_mult = kCLOCK_SysPllMult22 /* Divide by 22 */ }; const clock_audio_pll_config_t g_audioPllConfig_BOARD_BootClockRUN = { .audio_pll_src = kCLOCK_AudioPllXtalIn, /* OSC clock */ .numerator = 5040, /* Numerator of the Audio PLL fractional loop divider is null */ .denominator = 27000, /* Denominator of the Audio PLL fractional loop divider is null */ .audio_pll_mult = kCLOCK_AudioPllMult22 /* Divide by 22 */ }; /******************************************************************************* * Code for BOARD_BootClockRUN configuration ******************************************************************************/ void BOARD_BootClockRUN(void) { /* Configure LPOSC clock*/ POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /* Power on LPOSC (1MHz) */ /* Configure FFRO clock */ POWER_DisablePD(kPDRUNCFG_PD_FFRO); /* Power on FFRO (48/60MHz) */ CLOCK_EnableFfroClk(kCLOCK_Ffro48M); /* Enable FFRO clock*/ /* Configure SFRO clock */ POWER_DisablePD(kPDRUNCFG_PD_SFRO); /* Power on SFRO (16MHz) */ CLOCK_EnableSfroClk(); /* Wait until SFRO stable */ /* Call function BOARD_FlexspiClockSafeConfig() to move FLEXSPI clock to a stable clock source to avoid instruction/data fetch issue when updating PLL and Main clock if XIP(execute code on FLEXSPI memory). */ BOARD_FlexspiClockSafeConfig(); /* Let CPU run on ffro for safe switching */ CLOCK_AttachClk(kFFRO_to_MAIN_CLK); /* Configure SYSOSC clock source */ POWER_DisablePD(kPDRUNCFG_PD_SYSXTAL); /* Power on SYSXTAL */ POWER_UpdateOscSettlingTime(BOARD_SYSOSC_SETTLING_US); /* Updated XTAL oscillator settling time */ CLOCK_EnableSysOscClk(true, true, BOARD_SYSOSC_SETTLING_US); /* Enable system OSC */ CLOCK_SetXtalFreq(BOARD_XTAL_SYS_CLK_HZ); /* Sets external XTAL OSC freq */ /* Configure SysPLL0 clock source */ CLOCK_InitSysPll(&g_sysPllConfig_BOARD_BootClockRUN); CLOCK_InitSysPfd(kCLOCK_Pfd0, 19); /* Enable MAIN PLL clock */ CLOCK_InitSysPfd(kCLOCK_Pfd2, 24); /* Enable AUX0 PLL clock */ /* Configure Audio PLL clock source */ CLOCK_InitAudioPll(&g_audioPllConfig_BOARD_BootClockRUN); CLOCK_InitAudioPfd(kCLOCK_Pfd0, 26); /* Enable Audio PLL clock */ CLOCK_SetClkDiv(kCLOCK_DivSysCpuAhbClk, 2U); /* Set SYSCPUAHBCLKDIV divider to value 2 */ /* Set up clock selectors - Attach clocks to the peripheries */ CLOCK_AttachClk(kMAIN_PLL_to_MAIN_CLK); /* Switch MAIN_CLK to MAIN_PLL */ /* Set up dividers */ CLOCK_SetClkDiv(kCLOCK_DivAudioPllClk, 15U); /* Set AUDIOPLLCLKDIV divider to value 15 */ CLOCK_SetClkDiv(kCLOCK_DivPfc0Clk, 2U); /* Set PFC0DIV divider to value 2 */ CLOCK_SetClkDiv(kCLOCK_DivPllFrgClk, 12U); /* Set FRGPLLCLKDIV divider to value 12 */ /* Call weak function BOARD_SetFlexspiClock() to set user configured clock source/divider for FLEXSPI. */ BOARD_SetFlexspiClock(1U, 9U); /*!< Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK; }