/* * Copyright 2018-2020 ,2021 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* * How to setup clock using clock driver functions: * * 1. Call CLOCK_InitXXXPLL() to configure corresponding PLL clock. * * 2. Call CLOCK_InitXXXpfd() to configure corresponding PLL pfd clock. * * 3. Call CLOCK_SetMux() to configure corresponding clock source for target clock out. * * 4. Call CLOCK_SetDiv() to configure corresponding clock divider for target clock out. * * 5. Call CLOCK_SetXtalFreq() to set XTAL frequency based on board settings. * */ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* * !!GlobalInfo * product: Clocks v7.0 * processor: MIMXRT1062xxxxA * package_id: MIMXRT1062DVL6A * mcu_data: ksdk2_0 * processor_version: 9.0.1 * board: MIMXRT1060-EVK * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ #include "clock_config.h" #include "fsl_iomuxc.h" /******************************************************************************* * Definitions ******************************************************************************/ /******************************************************************************* * Variables ******************************************************************************/ /* System clock frequency. */ extern uint32_t SystemCoreClock; /******************************************************************************* ************************ BOARD_InitBootClocks function ************************ ******************************************************************************/ void BOARD_InitBootClocks( void ) { BOARD_BootClockRUN(); } /******************************************************************************* ********************** Configuration BOARD_BootClockRUN *********************** ******************************************************************************/ /* TEXT BELOW IS USED AS SETTING FOR TOOLS ************************************* * !!Configuration * name: BOARD_BootClockRUN * called_from_default_init: true * outputs: * - {id: AHB_CLK_ROOT.outFreq, value: 600 MHz} * - {id: CAN_CLK_ROOT.outFreq, value: 40 MHz} * - {id: CKIL_SYNC_CLK_ROOT.outFreq, value: 32.768 kHz} * - {id: CLK_1M.outFreq, value: 1 MHz} * - {id: CLK_24M.outFreq, value: 24 MHz} * - {id: CSI_CLK_ROOT.outFreq, value: 12 MHz} * - {id: ENET1_TX_CLK.outFreq, value: 2.4 MHz} * - {id: ENET2_125M_CLK.outFreq, value: 1.2 MHz} * - {id: ENET2_TX_CLK.outFreq, value: 1.2 MHz} * - {id: ENET_125M_CLK.outFreq, value: 2.4 MHz} * - {id: ENET_25M_REF_CLK.outFreq, value: 1.2 MHz} * - {id: FLEXIO1_CLK_ROOT.outFreq, value: 30 MHz} * - {id: FLEXIO2_CLK_ROOT.outFreq, value: 30 MHz} * - {id: FLEXSPI2_CLK_ROOT.outFreq, value: 1440/11 MHz} * - {id: FLEXSPI_CLK_ROOT.outFreq, value: 1440/11 MHz} * - {id: GPT1_ipg_clk_highfreq.outFreq, value: 75 MHz} * - {id: GPT2_ipg_clk_highfreq.outFreq, value: 75 MHz} * - {id: IPG_CLK_ROOT.outFreq, value: 150 MHz} * - {id: LCDIF_CLK_ROOT.outFreq, value: 67.5 MHz} * - {id: LPI2C_CLK_ROOT.outFreq, value: 60 MHz} * - {id: LPSPI_CLK_ROOT.outFreq, value: 105.6 MHz} * - {id: LVDS1_CLK.outFreq, value: 1.2 GHz} * - {id: MQS_MCLK.outFreq, value: 1080/17 MHz} * - {id: PERCLK_CLK_ROOT.outFreq, value: 75 MHz} * - {id: PLL7_MAIN_CLK.outFreq, value: 24 MHz} * - {id: SAI1_CLK_ROOT.outFreq, value: 1080/17 MHz} * - {id: SAI1_MCLK1.outFreq, value: 1080/17 MHz} * - {id: SAI1_MCLK2.outFreq, value: 1080/17 MHz} * - {id: SAI1_MCLK3.outFreq, value: 30 MHz} * - {id: SAI2_CLK_ROOT.outFreq, value: 1080/17 MHz} * - {id: SAI2_MCLK1.outFreq, value: 1080/17 MHz} * - {id: SAI2_MCLK3.outFreq, value: 30 MHz} * - {id: SAI3_CLK_ROOT.outFreq, value: 1080/17 MHz} * - {id: SAI3_MCLK1.outFreq, value: 1080/17 MHz} * - {id: SAI3_MCLK3.outFreq, value: 30 MHz} * - {id: SEMC_CLK_ROOT.outFreq, value: 75 MHz} * - {id: SPDIF0_CLK_ROOT.outFreq, value: 30 MHz} * - {id: TRACE_CLK_ROOT.outFreq, value: 132 MHz} * - {id: UART_CLK_ROOT.outFreq, value: 80 MHz} * - {id: USDHC1_CLK_ROOT.outFreq, value: 198 MHz} * - {id: USDHC2_CLK_ROOT.outFreq, value: 198 MHz} * settings: * - {id: CCM.AHB_PODF.scale, value: '1', locked: true} * - {id: CCM.ARM_PODF.scale, value: '2', locked: true} * - {id: CCM.FLEXSPI2_PODF.scale, value: '2', locked: true} * - {id: CCM.FLEXSPI2_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK} * - {id: CCM.FLEXSPI_PODF.scale, value: '2', locked: true} * - {id: CCM.FLEXSPI_SEL.sel, value: CCM_ANALOG.PLL3_PFD0_CLK} * - {id: CCM.LPSPI_PODF.scale, value: '5', locked: true} * - {id: CCM.PERCLK_PODF.scale, value: '2', locked: true} * - {id: CCM.SEMC_PODF.scale, value: '8'} * - {id: CCM.TRACE_CLK_SEL.sel, value: CCM_ANALOG.PLL2_MAIN_CLK} * - {id: CCM.TRACE_PODF.scale, value: '4', locked: true} * - {id: CCM_ANALOG.PLL1_BYPASS.sel, value: CCM_ANALOG.PLL1} * - {id: CCM_ANALOG.PLL1_PREDIV.scale, value: '1', locked: true} * - {id: CCM_ANALOG.PLL1_VDIV.scale, value: '50', locked: true} * - {id: CCM_ANALOG.PLL2.denom, value: '1', locked: true} * - {id: CCM_ANALOG.PLL2.num, value: '0', locked: true} * - {id: CCM_ANALOG.PLL2_BYPASS.sel, value: CCM_ANALOG.PLL2_OUT_CLK} * - {id: CCM_ANALOG.PLL2_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD0} * - {id: CCM_ANALOG.PLL2_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD1} * - {id: CCM_ANALOG.PLL2_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD2} * - {id: CCM_ANALOG.PLL2_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL2_PFD3} * - {id: CCM_ANALOG.PLL3_BYPASS.sel, value: CCM_ANALOG.PLL3} * - {id: CCM_ANALOG.PLL3_PFD0_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD0} * - {id: CCM_ANALOG.PLL3_PFD0_DIV.scale, value: '33', locked: true} * - {id: CCM_ANALOG.PLL3_PFD0_MUL.scale, value: '18', locked: true} * - {id: CCM_ANALOG.PLL3_PFD1_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD1} * - {id: CCM_ANALOG.PLL3_PFD2_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD2} * - {id: CCM_ANALOG.PLL3_PFD3_BYPASS.sel, value: CCM_ANALOG.PLL3_PFD3} * - {id: CCM_ANALOG.PLL4.denom, value: '50'} * - {id: CCM_ANALOG.PLL4.div, value: '47'} * - {id: CCM_ANALOG.PLL5.denom, value: '1'} * - {id: CCM_ANALOG.PLL5.div, value: '31', locked: true} * - {id: CCM_ANALOG.PLL5.num, value: '0'} * - {id: CCM_ANALOG.PLL5_BYPASS.sel, value: CCM_ANALOG.PLL5_POST_DIV} * - {id: CCM_ANALOG.PLL5_POST_DIV.scale, value: '2'} * - {id: CCM_ANALOG.VIDEO_DIV.scale, value: '4'} * - {id: CCM_ANALOG_PLL_ENET_POWERDOWN_CFG, value: 'Yes'} * - {id: CCM_ANALOG_PLL_USB1_POWER_CFG, value: 'Yes'} * - {id: CCM_ANALOG_PLL_VIDEO_POWERDOWN_CFG, value: 'No'} * sources: * - {id: XTALOSC24M.RTC_OSC.outFreq, value: 32.768 kHz, enabled: true} * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/ /******************************************************************************* * Variables for BOARD_BootClockRUN configuration ******************************************************************************/ const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN = { .loopDivider = 100, /* PLL loop divider, Fout = Fin * 50 */ .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */ }; const clock_sys_pll_config_t sysPllConfig_BOARD_BootClockRUN = { .loopDivider = 1, /* PLL loop divider, Fout = Fin * ( 20 + loopDivider*2 + numerator / denominator ) */ .numerator = 0, /* 30 bit numerator of fractional loop divider */ .denominator = 1, /* 30 bit denominator of fractional loop divider */ .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */ }; const clock_usb_pll_config_t usb1PllConfig_BOARD_BootClockRUN = { .loopDivider = 0, /* PLL loop divider, Fout = Fin * 20 */ .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */ }; const clock_video_pll_config_t videoPllConfig_BOARD_BootClockRUN = { .loopDivider = 31, /* PLL loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */ .postDivider = 8, /* Divider after PLL */ .numerator = 0, /* 30 bit numerator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */ .denominator = 1, /* 30 bit denominator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */ .src = 0, /* Bypass clock source, 0 - OSC 24M, 1 - CLK1_P and CLK1_N */ }; /******************************************************************************* * Code for BOARD_BootClockRUN configuration ******************************************************************************/ void BOARD_BootClockRUN( void ) { /* Init RTC OSC clock frequency. */ CLOCK_SetRtcXtalFreq( 32768U ); /* Enable 1MHz clock output. */ XTALOSC24M->OSC_CONFIG2 |= XTALOSC24M_OSC_CONFIG2_ENABLE_1M_MASK; /* Use free 1MHz clock output. */ XTALOSC24M->OSC_CONFIG2 &= ~XTALOSC24M_OSC_CONFIG2_MUX_1M_MASK; /* Set XTAL 24MHz clock frequency. */ CLOCK_SetXtalFreq( 24000000U ); /* Enable XTAL 24MHz clock source. */ CLOCK_InitExternalClk( 0 ); /* Enable internal RC. */ CLOCK_InitRcOsc24M(); /* Switch clock source to external OSC. */ CLOCK_SwitchOsc( kCLOCK_XtalOsc ); /* Set Oscillator ready counter value. */ CCM->CCR = ( CCM->CCR & ( ~CCM_CCR_OSCNT_MASK ) ) | CCM_CCR_OSCNT( 127 ); /* Setting PeriphClk2Mux and PeriphMux to provide stable clock before PLLs are initialed */ CLOCK_SetMux( kCLOCK_PeriphClk2Mux, 1 ); /* Set PERIPH_CLK2 MUX to OSC */ CLOCK_SetMux( kCLOCK_PeriphMux, 1 ); /* Set PERIPH_CLK MUX to PERIPH_CLK2 */ /* Setting the VDD_SOC to 1.275V. It is necessary to config AHB to 600Mhz. */ DCDC->REG3 = ( DCDC->REG3 & ( ~DCDC_REG3_TRG_MASK ) ) | DCDC_REG3_TRG( 0x13 ); /* Waiting for DCDC_STS_DC_OK bit is asserted */ while( DCDC_REG0_STS_DC_OK_MASK != ( DCDC_REG0_STS_DC_OK_MASK & DCDC->REG0 ) ) { } /* Set AHB_PODF. */ CLOCK_SetDiv( kCLOCK_AhbDiv, 0 ); /* Disable IPG clock gate. */ CLOCK_DisableClock( kCLOCK_Adc1 ); CLOCK_DisableClock( kCLOCK_Adc2 ); CLOCK_DisableClock( kCLOCK_Xbar1 ); CLOCK_DisableClock( kCLOCK_Xbar2 ); CLOCK_DisableClock( kCLOCK_Xbar3 ); /* Set IPG_PODF. */ CLOCK_SetDiv( kCLOCK_IpgDiv, 3 ); /* Set ARM_PODF. */ CLOCK_SetDiv( kCLOCK_ArmDiv, 1 ); /* Set PERIPH_CLK2_PODF. */ CLOCK_SetDiv( kCLOCK_PeriphClk2Div, 0 ); /* Disable PERCLK clock gate. */ CLOCK_DisableClock( kCLOCK_Gpt1 ); CLOCK_DisableClock( kCLOCK_Gpt1S ); CLOCK_DisableClock( kCLOCK_Gpt2 ); CLOCK_DisableClock( kCLOCK_Gpt2S ); CLOCK_DisableClock( kCLOCK_Pit ); /* Set PERCLK_PODF. */ CLOCK_SetDiv( kCLOCK_PerclkDiv, 1 ); /* Disable USDHC1 clock gate. */ CLOCK_DisableClock( kCLOCK_Usdhc1 ); /* Set USDHC1_PODF. */ CLOCK_SetDiv( kCLOCK_Usdhc1Div, 1 ); /* Set Usdhc1 clock source. */ CLOCK_SetMux( kCLOCK_Usdhc1Mux, 0 ); /* Disable USDHC2 clock gate. */ CLOCK_DisableClock( kCLOCK_Usdhc2 ); /* Set USDHC2_PODF. */ CLOCK_SetDiv( kCLOCK_Usdhc2Div, 1 ); /* Set Usdhc2 clock source. */ CLOCK_SetMux( kCLOCK_Usdhc2Mux, 0 ); /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/ #ifndef SKIP_SYSCLK_INIT /* Disable Semc clock gate. */ CLOCK_DisableClock( kCLOCK_Semc ); /* Set SEMC_PODF. */ CLOCK_SetDiv( kCLOCK_SemcDiv, 7 ); /* Set Semc alt clock source. */ CLOCK_SetMux( kCLOCK_SemcAltMux, 0 ); /* Set Semc clock source. */ CLOCK_SetMux( kCLOCK_SemcMux, 0 ); #endif /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/ #if !( defined( XIP_EXTERNAL_FLASH ) && ( XIP_EXTERNAL_FLASH == 1 ) ) /* Disable Flexspi clock gate. */ CLOCK_DisableClock( kCLOCK_FlexSpi ); /* Set FLEXSPI_PODF. */ CLOCK_SetDiv( kCLOCK_FlexspiDiv, 1 ); /* Set Flexspi clock source. */ CLOCK_SetMux( kCLOCK_FlexspiMux, 3 ); #endif /* Disable Flexspi2 clock gate. */ CLOCK_DisableClock( kCLOCK_FlexSpi2 ); /* Set FLEXSPI2_PODF. */ CLOCK_SetDiv( kCLOCK_Flexspi2Div, 1 ); /* Set Flexspi2 clock source. */ CLOCK_SetMux( kCLOCK_Flexspi2Mux, 1 ); /* Disable CSI clock gate. */ CLOCK_DisableClock( kCLOCK_Csi ); /* Set CSI_PODF. */ CLOCK_SetDiv( kCLOCK_CsiDiv, 1 ); /* Set Csi clock source. */ CLOCK_SetMux( kCLOCK_CsiMux, 0 ); /* Disable LPSPI clock gate. */ CLOCK_DisableClock( kCLOCK_Lpspi1 ); CLOCK_DisableClock( kCLOCK_Lpspi2 ); CLOCK_DisableClock( kCLOCK_Lpspi3 ); CLOCK_DisableClock( kCLOCK_Lpspi4 ); /* Set LPSPI_PODF. */ CLOCK_SetDiv( kCLOCK_LpspiDiv, 4 ); /* Set Lpspi clock source. */ CLOCK_SetMux( kCLOCK_LpspiMux, 2 ); /* Disable TRACE clock gate. */ CLOCK_DisableClock( kCLOCK_Trace ); /* Set TRACE_PODF. */ CLOCK_SetDiv( kCLOCK_TraceDiv, 3 ); /* Set Trace clock source. */ CLOCK_SetMux( kCLOCK_TraceMux, 0 ); /* Disable SAI1 clock gate. */ CLOCK_DisableClock( kCLOCK_Sai1 ); /* Set SAI1_CLK_PRED. */ CLOCK_SetDiv( kCLOCK_Sai1PreDiv, 3 ); /* Set SAI1_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Sai1Div, 1 ); /* Set Sai1 clock source. */ CLOCK_SetMux( kCLOCK_Sai1Mux, 0 ); /* Disable SAI2 clock gate. */ CLOCK_DisableClock( kCLOCK_Sai2 ); /* Set SAI2_CLK_PRED. */ CLOCK_SetDiv( kCLOCK_Sai2PreDiv, 3 ); /* Set SAI2_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Sai2Div, 1 ); /* Set Sai2 clock source. */ CLOCK_SetMux( kCLOCK_Sai2Mux, 0 ); /* Disable SAI3 clock gate. */ CLOCK_DisableClock( kCLOCK_Sai3 ); /* Set SAI3_CLK_PRED. */ CLOCK_SetDiv( kCLOCK_Sai3PreDiv, 3 ); /* Set SAI3_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Sai3Div, 1 ); /* Set Sai3 clock source. */ CLOCK_SetMux( kCLOCK_Sai3Mux, 0 ); /* Disable Lpi2c clock gate. */ CLOCK_DisableClock( kCLOCK_Lpi2c1 ); CLOCK_DisableClock( kCLOCK_Lpi2c2 ); CLOCK_DisableClock( kCLOCK_Lpi2c3 ); /* Set LPI2C_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Lpi2cDiv, 0 ); /* Set Lpi2c clock source. */ CLOCK_SetMux( kCLOCK_Lpi2cMux, 0 ); /* Disable CAN clock gate. */ CLOCK_DisableClock( kCLOCK_Can1 ); CLOCK_DisableClock( kCLOCK_Can2 ); CLOCK_DisableClock( kCLOCK_Can3 ); CLOCK_DisableClock( kCLOCK_Can1S ); CLOCK_DisableClock( kCLOCK_Can2S ); CLOCK_DisableClock( kCLOCK_Can3S ); /* Set CAN_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_CanDiv, 1 ); /* Set Can clock source. */ CLOCK_SetMux( kCLOCK_CanMux, 2 ); /* Disable UART clock gate. */ CLOCK_DisableClock( kCLOCK_Lpuart1 ); CLOCK_DisableClock( kCLOCK_Lpuart2 ); CLOCK_DisableClock( kCLOCK_Lpuart3 ); CLOCK_DisableClock( kCLOCK_Lpuart4 ); CLOCK_DisableClock( kCLOCK_Lpuart5 ); CLOCK_DisableClock( kCLOCK_Lpuart6 ); CLOCK_DisableClock( kCLOCK_Lpuart7 ); CLOCK_DisableClock( kCLOCK_Lpuart8 ); /* Set UART_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_UartDiv, 0 ); /* Set Uart clock source. */ CLOCK_SetMux( kCLOCK_UartMux, 0 ); /* Disable LCDIF clock gate. */ CLOCK_DisableClock( kCLOCK_LcdPixel ); /* Set LCDIF_PRED. */ CLOCK_SetDiv( kCLOCK_LcdifPreDiv, 1 ); /* Set LCDIF_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_LcdifDiv, 3 ); /* Set Lcdif pre clock source. */ CLOCK_SetMux( kCLOCK_LcdifPreMux, 5 ); /* Disable SPDIF clock gate. */ CLOCK_DisableClock( kCLOCK_Spdif ); /* Set SPDIF0_CLK_PRED. */ CLOCK_SetDiv( kCLOCK_Spdif0PreDiv, 1 ); /* Set SPDIF0_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Spdif0Div, 7 ); /* Set Spdif clock source. */ CLOCK_SetMux( kCLOCK_SpdifMux, 3 ); /* Disable Flexio1 clock gate. */ CLOCK_DisableClock( kCLOCK_Flexio1 ); /* Set FLEXIO1_CLK_PRED. */ CLOCK_SetDiv( kCLOCK_Flexio1PreDiv, 1 ); /* Set FLEXIO1_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Flexio1Div, 7 ); /* Set Flexio1 clock source. */ CLOCK_SetMux( kCLOCK_Flexio1Mux, 3 ); /* Disable Flexio2 clock gate. */ CLOCK_DisableClock( kCLOCK_Flexio2 ); /* Set FLEXIO2_CLK_PRED. */ CLOCK_SetDiv( kCLOCK_Flexio2PreDiv, 1 ); /* Set FLEXIO2_CLK_PODF. */ CLOCK_SetDiv( kCLOCK_Flexio2Div, 7 ); /* Set Flexio2 clock source. */ CLOCK_SetMux( kCLOCK_Flexio2Mux, 3 ); /* Set Pll3 sw clock source. */ CLOCK_SetMux( kCLOCK_Pll3SwMux, 0 ); /* Init ARM PLL. */ CLOCK_InitArmPll( &armPllConfig_BOARD_BootClockRUN ); /* In SDK projects, SDRAM (configured by SEMC) will be initialized in either debug script or dcd. * With this macro SKIP_SYSCLK_INIT, system pll (selected to be SEMC source clock in SDK projects) will be left unchanged. * Note: If another clock source is selected for SEMC, user may want to avoid changing that clock as well.*/ #ifndef SKIP_SYSCLK_INIT #if defined( XIP_BOOT_HEADER_DCD_ENABLE ) && ( XIP_BOOT_HEADER_DCD_ENABLE == 1 ) #warning "SKIP_SYSCLK_INIT should be defined to keep system pll (selected to be SEMC source clock in SDK projects) unchanged." #endif /* Init System PLL. */ CLOCK_InitSysPll( &sysPllConfig_BOARD_BootClockRUN ); /* Init System pfd0. */ CLOCK_InitSysPfd( kCLOCK_Pfd0, 27 ); /* Init System pfd1. */ CLOCK_InitSysPfd( kCLOCK_Pfd1, 16 ); /* Init System pfd2. */ CLOCK_InitSysPfd( kCLOCK_Pfd2, 24 ); /* Init System pfd3. */ CLOCK_InitSysPfd( kCLOCK_Pfd3, 16 ); #endif /* ifndef SKIP_SYSCLK_INIT */ /* In SDK projects, external flash (configured by FLEXSPI) will be initialized by dcd. * With this macro XIP_EXTERNAL_FLASH, usb1 pll (selected to be FLEXSPI clock source in SDK projects) will be left unchanged. * Note: If another clock source is selected for FLEXSPI, user may want to avoid changing that clock as well.*/ #if !( defined( XIP_EXTERNAL_FLASH ) && ( XIP_EXTERNAL_FLASH == 1 ) ) /* Init Usb1 PLL. */ CLOCK_InitUsb1Pll( &usb1PllConfig_BOARD_BootClockRUN ); /* Init Usb1 pfd0. */ CLOCK_InitUsb1Pfd( kCLOCK_Pfd0, 33 ); /* Init Usb1 pfd1. */ CLOCK_InitUsb1Pfd( kCLOCK_Pfd1, 16 ); /* Init Usb1 pfd2. */ CLOCK_InitUsb1Pfd( kCLOCK_Pfd2, 17 ); /* Init Usb1 pfd3. */ CLOCK_InitUsb1Pfd( kCLOCK_Pfd3, 19 ); /* Disable Usb1 PLL output for USBPHY1. */ CCM_ANALOG->PLL_USB1 &= ~CCM_ANALOG_PLL_USB1_EN_USB_CLKS_MASK; #endif /* if !( defined( XIP_EXTERNAL_FLASH ) && ( XIP_EXTERNAL_FLASH == 1 ) ) */ /* DeInit Audio PLL. */ CLOCK_DeinitAudioPll(); /* Bypass Audio PLL. */ CLOCK_SetPllBypass( CCM_ANALOG, kCLOCK_PllAudio, 1 ); /* Set divider for Audio PLL. */ CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_LSB_MASK; CCM_ANALOG->MISC2 &= ~CCM_ANALOG_MISC2_AUDIO_DIV_MSB_MASK; /* Enable Audio PLL output. */ CCM_ANALOG->PLL_AUDIO |= CCM_ANALOG_PLL_AUDIO_ENABLE_MASK; /* Init Video PLL. */ uint32_t pllVideo; /* Disable Video PLL output before initial Video PLL. */ CCM_ANALOG->PLL_VIDEO &= ~CCM_ANALOG_PLL_VIDEO_ENABLE_MASK; /* Bypass PLL first */ CCM_ANALOG->PLL_VIDEO = ( CCM_ANALOG->PLL_VIDEO & ( ~CCM_ANALOG_PLL_VIDEO_BYPASS_CLK_SRC_MASK ) ) | CCM_ANALOG_PLL_VIDEO_BYPASS_MASK | CCM_ANALOG_PLL_VIDEO_BYPASS_CLK_SRC( 0 ); CCM_ANALOG->PLL_VIDEO_NUM = CCM_ANALOG_PLL_VIDEO_NUM_A( 0 ); CCM_ANALOG->PLL_VIDEO_DENOM = CCM_ANALOG_PLL_VIDEO_DENOM_B( 1 ); pllVideo = ( CCM_ANALOG->PLL_VIDEO & ( ~( CCM_ANALOG_PLL_VIDEO_DIV_SELECT_MASK | CCM_ANALOG_PLL_VIDEO_POWERDOWN_MASK ) ) ) | CCM_ANALOG_PLL_VIDEO_ENABLE_MASK | CCM_ANALOG_PLL_VIDEO_DIV_SELECT( 31 ); pllVideo |= CCM_ANALOG_PLL_VIDEO_POST_DIV_SELECT( 1 ); CCM_ANALOG->MISC2 = ( CCM_ANALOG->MISC2 & ( ~CCM_ANALOG_MISC2_VIDEO_DIV_MASK ) ) | CCM_ANALOG_MISC2_VIDEO_DIV( 3 ); CCM_ANALOG->PLL_VIDEO = pllVideo; while( ( CCM_ANALOG->PLL_VIDEO & CCM_ANALOG_PLL_VIDEO_LOCK_MASK ) == 0 ) { } /* Disable bypass for Video PLL. */ CLOCK_SetPllBypass( CCM_ANALOG, kCLOCK_PllVideo, 0 ); /* DeInit Enet PLL. */ CLOCK_DeinitEnetPll(); /* Bypass Enet PLL. */ CLOCK_SetPllBypass( CCM_ANALOG, kCLOCK_PllEnet, 1 ); /* Set Enet output divider. */ CCM_ANALOG->PLL_ENET = ( CCM_ANALOG->PLL_ENET & ( ~CCM_ANALOG_PLL_ENET_DIV_SELECT_MASK ) ) | CCM_ANALOG_PLL_ENET_DIV_SELECT( 1 ); /* Enable Enet output. */ CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENABLE_MASK; /* Set Enet2 output divider. */ CCM_ANALOG->PLL_ENET = ( CCM_ANALOG->PLL_ENET & ( ~CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT_MASK ) ) | CCM_ANALOG_PLL_ENET_ENET2_DIV_SELECT( 0 ); /* Enable Enet2 output. */ CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENET2_REF_EN_MASK; /* Enable Enet25M output. */ CCM_ANALOG->PLL_ENET |= CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN_MASK; /* DeInit Usb2 PLL. */ CLOCK_DeinitUsb2Pll(); /* Bypass Usb2 PLL. */ CLOCK_SetPllBypass( CCM_ANALOG, kCLOCK_PllUsb2, 1 ); /* Enable Usb2 PLL output. */ CCM_ANALOG->PLL_USB2 |= CCM_ANALOG_PLL_USB2_ENABLE_MASK; /* Set preperiph clock source. */ CLOCK_SetMux( kCLOCK_PrePeriphMux, 3 ); /* Set periph clock source. */ CLOCK_SetMux( kCLOCK_PeriphMux, 0 ); /* Set periph clock2 clock source. */ CLOCK_SetMux( kCLOCK_PeriphClk2Mux, 0 ); /* Set per clock source. */ CLOCK_SetMux( kCLOCK_PerclkMux, 0 ); /* Set lvds1 clock source. */ CCM_ANALOG->MISC1 = ( CCM_ANALOG->MISC1 & ( ~CCM_ANALOG_MISC1_LVDS1_CLK_SEL_MASK ) ) | CCM_ANALOG_MISC1_LVDS1_CLK_SEL( 0 ); /* Set clock out1 divider. */ CCM->CCOSR = ( CCM->CCOSR & ( ~CCM_CCOSR_CLKO1_DIV_MASK ) ) | CCM_CCOSR_CLKO1_DIV( 0 ); /* Set clock out1 source. */ CCM->CCOSR = ( CCM->CCOSR & ( ~CCM_CCOSR_CLKO1_SEL_MASK ) ) | CCM_CCOSR_CLKO1_SEL( 1 ); /* Set clock out2 divider. */ CCM->CCOSR = ( CCM->CCOSR & ( ~CCM_CCOSR_CLKO2_DIV_MASK ) ) | CCM_CCOSR_CLKO2_DIV( 0 ); /* Set clock out2 source. */ CCM->CCOSR = ( CCM->CCOSR & ( ~CCM_CCOSR_CLKO2_SEL_MASK ) ) | CCM_CCOSR_CLKO2_SEL( 18 ); /* Set clock out1 drives clock out1. */ CCM->CCOSR &= ~CCM_CCOSR_CLK_OUT_SEL_MASK; /* Disable clock out1. */ CCM->CCOSR &= ~CCM_CCOSR_CLKO1_EN_MASK; /* Disable clock out2. */ CCM->CCOSR &= ~CCM_CCOSR_CLKO2_EN_MASK; /* Set SAI1 MCLK1 clock source. */ IOMUXC_SetSaiMClkClockSource( IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk1Sel, 0 ); /* Set SAI1 MCLK2 clock source. */ IOMUXC_SetSaiMClkClockSource( IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk2Sel, 0 ); /* Set SAI1 MCLK3 clock source. */ IOMUXC_SetSaiMClkClockSource( IOMUXC_GPR, kIOMUXC_GPR_SAI1MClk3Sel, 0 ); /* Set SAI2 MCLK3 clock source. */ IOMUXC_SetSaiMClkClockSource( IOMUXC_GPR, kIOMUXC_GPR_SAI2MClk3Sel, 0 ); /* Set SAI3 MCLK3 clock source. */ IOMUXC_SetSaiMClkClockSource( IOMUXC_GPR, kIOMUXC_GPR_SAI3MClk3Sel, 0 ); /* Set MQS configuration. */ IOMUXC_MQSConfig( IOMUXC_GPR, kIOMUXC_MqsPwmOverSampleRate32, 0 ); /* Set ENET1 Tx clock source. */ IOMUXC_EnableMode( IOMUXC_GPR, kIOMUXC_GPR_ENET1RefClkMode, false ); /* Set ENET2 Tx clock source. */ #if defined( FSL_IOMUXC_DRIVER_VERSION ) && ( FSL_IOMUXC_DRIVER_VERSION != ( MAKE_VERSION( 2, 0, 0 ) ) ) IOMUXC_EnableMode( IOMUXC_GPR, kIOMUXC_GPR_ENET2RefClkMode, false ); #else IOMUXC_EnableMode( IOMUXC_GPR, IOMUXC_GPR_GPR1_ENET2_CLK_SEL_MASK, false ); #endif /* Set GPT1 High frequency reference clock source. */ IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT1_MASK; /* Set GPT2 High frequency reference clock source. */ IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_VREF_1M_CLK_GPT2_MASK; /* Set SystemCoreClock variable. */ SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK; }