rt-thread/bsp/imxrt/libraries/MIMXRT1170/MIMXRT1176/template/clock_config.c

/*
 * Copyright 2020 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_SetRootClock() to configure corresponding module clock source and divider.
 *
 */

/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!GlobalInfo
product: Clocks v7.0
processor: MIMXRT1176xxxxx
mcu_data: ksdk2_0
processor_version: 0.10.8
 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/

#include "clock_config.h"
#include "fsl_iomuxc.h"
#include "fsl_dcdc.h"
#include "fsl_pmu.h"
#include "fsl_clock.h"

/*******************************************************************************
 * Definitions
 ******************************************************************************/

/*******************************************************************************
 * Variables
 ******************************************************************************/
/* System clock frequency. */
extern uint32_t SystemCoreClock;

/*******************************************************************************
 ************************ BOARD_InitBootClocks function ************************
 ******************************************************************************/
void BOARD_InitBootClocks(void)
{
    BOARD_BootClockRUN();
}

#if defined(XIP_BOOT_HEADER_ENABLE) && (XIP_BOOT_HEADER_ENABLE == 1)
#if defined(XIP_BOOT_HEADER_DCD_ENABLE) && (XIP_BOOT_HEADER_DCD_ENABLE == 1)
/* This function should not run from SDRAM since it will change SEMC configuration. */
AT_QUICKACCESS_SECTION_CODE(void UpdateSemcClock(void));
void UpdateSemcClock(void)
{
    /* Enable self-refresh mode and update semc clock root to 200MHz. */
    SEMC->IPCMD = 0xA55A000D;
    while ((SEMC->INTR & 0x3) == 0)
        ;
    SEMC->INTR                                = 0x3;
    SEMC->DCCR                                = 0x0B;
    /*
    * Currently we are using SEMC parameter which fit both 166MHz and 200MHz, only
    * need to change the SEMC clock root here. If customer is using their own DCD and
    * want to switch from 166MHz to 200MHz, extra SEMC configuration might need to be
    * adjusted here to fine tune the SDRAM performance
    */
    CCM->CLOCK_ROOT[kCLOCK_Root_Semc].CONTROL = 0x602;
}
#endif
#endif

/*******************************************************************************
 ********************** Configuration BOARD_BootClockRUN ***********************
 ******************************************************************************/
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!Configuration
name: BOARD_BootClockRUN
called_from_default_init: true
outputs:
- {id: ACMP_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ADC1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ADC2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ARM_PLL_CLK.outFreq, value: 996 MHz}
- {id: ASRC_CLK_ROOT.outFreq, value: 24 MHz}
- {id: AXI_CLK_ROOT.outFreq, value: 24 MHz}
- {id: BUS_CLK_ROOT.outFreq, value: 24 MHz}
- {id: BUS_LPSR_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CAN1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CAN2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CAN3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CCM_CLKO1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CCM_CLKO2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CLK_1M.outFreq, value: 1 MHz}
- {id: CSI2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CSI2_ESC_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CSI2_UI_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CSI_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CSSYS_CLK_ROOT.outFreq, value: 24 MHz}
- {id: CSTRACE_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ELCDIF_CLK_ROOT.outFreq, value: 24 MHz}
- {id: EMV1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: EMV2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET_1G_TX_CLK.outFreq, value: 24 MHz}
- {id: ENET_25M_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET_QOS_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET_TIMER1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET_TIMER2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: ENET_TIMER3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: FLEXIO1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: FLEXIO2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: FLEXSPI1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: FLEXSPI2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GC355_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT1_ipg_clk_highfreq.outFreq, value: 24 MHz}
- {id: GPT2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT2_ipg_clk_highfreq.outFreq, value: 24 MHz}
- {id: GPT3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT3_ipg_clk_highfreq.outFreq, value: 24 MHz}
- {id: GPT4_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT4_ipg_clk_highfreq.outFreq, value: 24 MHz}
- {id: GPT5_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT5_ipg_clk_highfreq.outFreq, value: 24 MHz}
- {id: GPT6_CLK_ROOT.outFreq, value: 24 MHz}
- {id: GPT6_ipg_clk_highfreq.outFreq, value: 24 MHz}
- {id: LCDIFV2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPI2C1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPI2C2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPI2C3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPI2C4_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPI2C5_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPI2C6_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPSPI1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPSPI2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPSPI3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPSPI4_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPSPI5_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPSPI6_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART10_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART11_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART12_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART4_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART5_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART6_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART7_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART8_CLK_ROOT.outFreq, value: 24 MHz}
- {id: LPUART9_CLK_ROOT.outFreq, value: 24 MHz}
- {id: M4_CLK_ROOT.outFreq, value: 24 MHz}
- {id: M4_SYSTICK_CLK_ROOT.outFreq, value: 24 MHz}
- {id: M7_CLK_ROOT.outFreq, value: 24 MHz}
- {id: M7_SYSTICK_CLK_ROOT.outFreq, value: 24 MHz}
- {id: MIC_CLK_ROOT.outFreq, value: 24 MHz}
- {id: MIPI_DSI_TX_CLK_ESC_ROOT.outFreq, value: 24 MHz}
- {id: MIPI_ESC_CLK_ROOT.outFreq, value: 24 MHz}
- {id: MIPI_REF_CLK_ROOT.outFreq, value: 24 MHz}
- {id: MQS_CLK_ROOT.outFreq, value: 24 MHz}
- {id: MQS_MCLK.outFreq, value: 24 MHz}
- {id: OSC_24M.outFreq, value: 24 MHz}
- {id: OSC_32K.outFreq, value: 32.768 kHz}
- {id: OSC_RC_16M.outFreq, value: 16 MHz}
- {id: OSC_RC_400M.outFreq, value: 400 MHz}
- {id: OSC_RC_48M.outFreq, value: 48 MHz}
- {id: OSC_RC_48M_DIV2.outFreq, value: 24 MHz}
- {id: PLL_AUDIO_CLK.outFreq, value: 672.000025 MHz}
- {id: PLL_VIDEO_CLK.outFreq, value: 672.000025 MHz}
- {id: SAI1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: SAI1_MCLK1.outFreq, value: 24 MHz}
- {id: SAI1_MCLK3.outFreq, value: 24 MHz}
- {id: SAI2_CLK_ROOT.outFreq, value: 24 MHz}
- {id: SAI2_MCLK1.outFreq, value: 24 MHz}
- {id: SAI2_MCLK3.outFreq, value: 24 MHz}
- {id: SAI3_CLK_ROOT.outFreq, value: 24 MHz}
- {id: SAI3_MCLK1.outFreq, value: 24 MHz}
- {id: SAI3_MCLK3.outFreq, value: 24 MHz}
- {id: SAI4_CLK_ROOT.outFreq, value: 24 MHz}
- {id: SAI4_MCLK1.outFreq, value: 24 MHz}
- {id: SEMC_CLK_ROOT.outFreq, value: 198 MHz}
- {id: SPDIF_CLK_ROOT.outFreq, value: 24 MHz}
- {id: SYS_PLL1_CLK.outFreq, value: 1 GHz}
- {id: SYS_PLL2_CLK.outFreq, value: 528 MHz}
- {id: SYS_PLL2_PFD0_CLK.outFreq, value: 352 MHz}
- {id: SYS_PLL2_PFD1_CLK.outFreq, value: 594 MHz}
- {id: SYS_PLL2_PFD2_CLK.outFreq, value: 396 MHz}
- {id: SYS_PLL2_PFD3_CLK.outFreq, value: 297 MHz}
- {id: SYS_PLL3_CLK.outFreq, value: 480 MHz}
- {id: SYS_PLL3_PFD0_CLK.outFreq, value: 8640/13 MHz}
- {id: SYS_PLL3_PFD1_CLK.outFreq, value: 8640/17 MHz}
- {id: SYS_PLL3_PFD2_CLK.outFreq, value: 270 MHz}
- {id: SYS_PLL3_PFD3_CLK.outFreq, value: 8640/13 MHz}
- {id: USDHC1_CLK_ROOT.outFreq, value: 24 MHz}
- {id: USDHC2_CLK_ROOT.outFreq, value: 24 MHz}
settings:
- {id: ANADIG_PLL.PLL_AUDIO.denom, value: '960000'}
- {id: ANADIG_PLL.PLL_AUDIO.div, value: '28'}
- {id: ANADIG_PLL.PLL_AUDIO.num, value: '1'}
- {id: ANADIG_PLL.PLL_VIDEO.denom, value: '960000'}
- {id: ANADIG_PLL.PLL_VIDEO.div, value: '28'}
- {id: ANADIG_PLL.PLL_VIDEO.num, value: '1'}
- {id: ANADIG_PLL.SYS_PLL2.denom, value: '60000'}
- {id: ANADIG_PLL.SYS_PLL2.div, value: '22'}
- {id: ANADIG_PLL.SYS_PLL2.num, value: '0'}
- {id: ANADIG_PLL.SYS_PLL3_PFD3_DIV.scale, value: '13'}
- {id: ANADIG_PLL_ARM_PLL_CTRL_POWERUP_CFG, value: Enabled}
- {id: ANADIG_PLL_PLL_AUDIO_CTRL0_POWERUP_CFG, value: Enabled}
- {id: ANADIG_PLL_PLL_VIDEO_CTRL0_POWERUP_CFG, value: Enabled}
- {id: ANADIG_PLL_SYS_PLL2_CTRL_POWERUP_CFG, value: Enabled}
- {id: ANADIG_PLL_SYS_PLL3_CTRL_POWERUP_CFG, value: Enabled}
- {id: CCM.CLOCK_ROOT4.DIV.scale, value: '3'}
- {id: CCM.CLOCK_ROOT4.MUX.sel, value: ANADIG_PLL.SYS_PLL2_PFD1_CLK}
 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/

/*******************************************************************************
 * Variables for BOARD_BootClockRUN configuration
 ******************************************************************************/

#ifndef SKIP_POWER_ADJUSTMENT
#if __CORTEX_M == 7
#define BYPASS_LDO_LPSR 1
#define SKIP_LDO_ADJUSTMENT 1
#elif __CORTEX_M == 4
#define SKIP_DCDC_ADJUSTMENT 1
#define SKIP_FBB_ENABLE 1
#endif
#endif

const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN =
    {
        .postDivider = kCLOCK_PllPostDiv2,        /* Post divider, 0 - DIV by 2, 1 - DIV by 4, 2 - DIV by 8, 3 - DIV by 1 */
        .loopDivider = 166,                       /* PLL Loop divider, Fout = Fin * ( loopDivider / ( 2 * postDivider ) ) */
    };

const clock_sys_pll1_config_t sysPll1Config_BOARD_BootClockRUN =
    {
        .pllDiv2En = 0,                           /* Enable Sys Pll1 divide-by-2 clock or not */
        .pllDiv5En = 0,                           /* Enable Sys Pll1 divide-by-5 clock or not */
        .ss = NULL,                               /* Spread spectrum parameter */
        .ssEnable = false,                        /* Enable spread spectrum or not */
    };

const clock_sys_pll2_config_t sysPll2Config_BOARD_BootClockRUN =
    {
        .mfd = 60000,                             /* Denominator of spread spectrum */
        .ss = NULL,                               /* Spread spectrum parameter */
        .ssEnable = false,                        /* Enable spread spectrum or not */
    };

const clock_audio_pll_config_t audioPllConfig_BOARD_BootClockRUN =
    {
        .loopDivider = 28,                        /* PLL Loop divider, valid range for DIV_SELECT divider value: 27 ~ 54. */
        .postDivider = 0,                         /* Divider after PLL, should only be 1, 2, 4, 8, 16, 32 */
        .numerator = 1,                           /* 30 bit numerator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
        .denominator = 960000,                    /* 30 bit denominator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
        .ss = NULL,                               /* Spread spectrum parameter */
        .ssEnable = false,                        /* Enable spread spectrum or not */
    };

const clock_video_pll_config_t videoPllConfig_BOARD_BootClockRUN =
    {
        .loopDivider = 28,                        /* PLL Loop divider, valid range for DIV_SELECT divider value: 27 ~ 54. */
        .postDivider = 0,                         /* Divider after PLL, should only be 1, 2, 4, 8, 16, 32 */
        .numerator = 1,                           /* 30 bit numerator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
        .denominator = 960000,                    /* 30 bit denominator of fractional loop divider, Fout = Fin * ( loopDivider + numerator / denominator ) */
        .ss = NULL,                               /* Spread spectrum parameter */
        .ssEnable = false,                        /* Enable spread spectrum or not */
    };

/*******************************************************************************
 * Code for BOARD_BootClockRUN configuration
 ******************************************************************************/
void BOARD_BootClockRUN(void)
{
    clock_root_config_t rootCfg = {0};

    /* Set DCDC to DCM mode to improve the efficiency for light loading in run mode and transient performance with a big loading step. */
    DCDC_BootIntoDCM(DCDC);

#if !defined(SKIP_DCDC_ADJUSTMENT) || (!SKIP_DCDC_ADJUSTMENT)
    if((OCOTP->FUSEN[16].FUSE == 0x57AC5969U) && ((OCOTP->FUSEN[17].FUSE & 0xFFU) == 0x0BU))
    {
        DCDC_SetVDD1P0BuckModeTargetVoltage(DCDC, kDCDC_1P0BuckTarget1P15V);
    }
    else
    {
        /* Set 1.125V for production samples to align with data sheet requirement */
        DCDC_SetVDD1P0BuckModeTargetVoltage(DCDC, kDCDC_1P0BuckTarget1P125V);
    }
#endif

#if !defined(SKIP_FBB_ENABLE) || (!SKIP_FBB_ENABLE)
    /* Check if FBB need to be enabled in OverDrive(OD) mode */
    if(((OCOTP->FUSEN[7].FUSE & 0x10U) >> 4U) != 1)
    {
        PMU_EnableBodyBias(ANADIG_PMU, kPMU_FBB_CM7, true);
    }
    else
    {
        PMU_EnableBodyBias(ANADIG_PMU, kPMU_FBB_CM7, false);
    }
#endif

#if defined(BYPASS_LDO_LPSR) && BYPASS_LDO_LPSR
    PMU_StaticEnableLpsrAnaLdoBypassMode(ANADIG_LDO_SNVS, true);
    PMU_StaticEnableLpsrDigLdoBypassMode(ANADIG_LDO_SNVS, true);
#endif

#if !defined(SKIP_LDO_ADJUSTMENT) || (!SKIP_LDO_ADJUSTMENT)
    pmu_static_lpsr_ana_ldo_config_t lpsrAnaConfig;
    pmu_static_lpsr_dig_config_t lpsrDigConfig;

    if((ANADIG_LDO_SNVS->PMU_LDO_LPSR_ANA & ANADIG_LDO_SNVS_PMU_LDO_LPSR_ANA_BYPASS_MODE_EN_MASK) == 0UL)
    {
        PMU_StaticGetLpsrAnaLdoDefaultConfig(&lpsrAnaConfig);
        PMU_StaticLpsrAnaLdoInit(ANADIG_LDO_SNVS, &lpsrAnaConfig);
    }

    if((ANADIG_LDO_SNVS->PMU_LDO_LPSR_DIG & ANADIG_LDO_SNVS_PMU_LDO_LPSR_DIG_BYPASS_MODE_MASK) == 0UL)
    {
        PMU_StaticGetLpsrDigLdoDefaultConfig(&lpsrDigConfig);
        lpsrDigConfig.targetVoltage = kPMU_LpsrDigTargetStableVoltage1P117V;
        PMU_StaticLpsrDigLdoInit(ANADIG_LDO_SNVS, &lpsrDigConfig);
    }
#endif

    /* Config CLK_1M */
    CLOCK_OSC_Set1MHzOutputBehavior(kCLOCK_1MHzOutEnableFreeRunning1Mhz);

    /* Init OSC RC 16M */
    ANADIG_OSC->OSC_16M_CTRL |= ANADIG_OSC_OSC_16M_CTRL_EN_IRC4M16M_MASK;

    /* Init OSC RC 400M */
    CLOCK_OSC_EnableOscRc400M();
    CLOCK_OSC_GateOscRc400M(true);

    /* Init OSC RC 48M */
    CLOCK_OSC_EnableOsc48M(true);
    CLOCK_OSC_EnableOsc48MDiv2(true);

    /* Config OSC 24M */
    ANADIG_OSC->OSC_24M_CTRL |= ANADIG_OSC_OSC_24M_CTRL_OSC_EN(0) | ANADIG_OSC_OSC_24M_CTRL_BYPASS_EN(0) | ANADIG_OSC_OSC_24M_CTRL_BYPASS_CLK(0) | ANADIG_OSC_OSC_24M_CTRL_LP_EN(0) | ANADIG_OSC_OSC_24M_CTRL_OSC_24M_GATE(0);
    /* Wait for 24M OSC to be stable. */
    while (ANADIG_OSC_OSC_24M_CTRL_OSC_24M_STABLE_MASK !=
            (ANADIG_OSC->OSC_24M_CTRL & ANADIG_OSC_OSC_24M_CTRL_OSC_24M_STABLE_MASK))
    {
    }

    /* Swicth both core, M7 Systick and Bus_Lpsr to OscRC48MDiv2 first */
    rootCfg.mux = kCLOCK_M7_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M7, &rootCfg);

    rootCfg.mux = kCLOCK_M7_SYSTICK_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M7_Systick, &rootCfg);

    rootCfg.mux = kCLOCK_M4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M4, &rootCfg);

    rootCfg.mux = kCLOCK_BUS_LPSR_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Bus_Lpsr, &rootCfg);

    /*
    * if DCD is used, please make sure the clock source of SEMC is not changed in the following PLL/PFD configuration code.
    */
    /* Init Arm Pll. */
    CLOCK_InitArmPll(&armPllConfig_BOARD_BootClockRUN);

    /* Init Sys Pll1. */
    CLOCK_InitSysPll1(&sysPll1Config_BOARD_BootClockRUN);

    /* Init Sys Pll2. */
    CLOCK_InitSysPll2(&sysPll2Config_BOARD_BootClockRUN);

    /* Init System Pll2 pfd0. */
    CLOCK_InitPfd(kCLOCK_PllSys2, kCLOCK_Pfd0, 27);

    /* Init System Pll2 pfd1. */
    CLOCK_InitPfd(kCLOCK_PllSys2, kCLOCK_Pfd1, 16);

    /* Init System Pll2 pfd2. */
    CLOCK_InitPfd(kCLOCK_PllSys2, kCLOCK_Pfd2, 24);

    /* Init System Pll2 pfd3. */
    CLOCK_InitPfd(kCLOCK_PllSys2, kCLOCK_Pfd3, 32);

    /* Init Sys Pll3. */
    CLOCK_InitSysPll3();

    /* Init System Pll3 pfd0. */
    CLOCK_InitPfd(kCLOCK_PllSys3, kCLOCK_Pfd0, 13);

    /* Init System Pll3 pfd1. */
    CLOCK_InitPfd(kCLOCK_PllSys3, kCLOCK_Pfd1, 17);

    /* Init System Pll3 pfd2. */
    CLOCK_InitPfd(kCLOCK_PllSys3, kCLOCK_Pfd2, 32);

    /* Init System Pll3 pfd3. */
    CLOCK_InitPfd(kCLOCK_PllSys3, kCLOCK_Pfd3, 13);

    /* Disable Sys Pll3 Div2 output. */
    ANADIG_PLL->SYS_PLL3_CTRL &= ~ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_DIV2_MASK;

    /* Init Audio Pll. */
    CLOCK_InitAudioPll(&audioPllConfig_BOARD_BootClockRUN);

    /* Init Video Pll. */
    CLOCK_InitVideoPll(&videoPllConfig_BOARD_BootClockRUN);

    /* Module clock root configurations. */
    /* Configure M7 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_M7_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M7, &rootCfg);

    /* Configure M4 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_M4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M4, &rootCfg);

    /* Configure BUS using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_BUS_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Bus, &rootCfg);

    /* Configure BUS_LPSR using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_BUS_LPSR_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Bus_Lpsr, &rootCfg);

    /* Configure SEMC using SYS_PLL2_PFD1_CLK */
#ifndef SKIP_SEMC_INIT
    rootCfg.mux = kCLOCK_SEMC_ClockRoot_MuxSysPll2Pfd1;
    rootCfg.div = 3;
    CLOCK_SetRootClock(kCLOCK_Root_Semc, &rootCfg);
#endif

#if defined(XIP_BOOT_HEADER_ENABLE) && (XIP_BOOT_HEADER_ENABLE == 1)
#if defined(XIP_BOOT_HEADER_DCD_ENABLE) && (XIP_BOOT_HEADER_DCD_ENABLE == 1)
    UpdateSemcClock();
#endif
#endif

    /* Configure CSSYS using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CSSYS_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Cssys, &rootCfg);

    /* Configure CSTRACE using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CSTRACE_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Cstrace, &rootCfg);

    /* Configure M4_SYSTICK using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_M4_SYSTICK_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M4_Systick, &rootCfg);

    /* Configure M7_SYSTICK using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_M7_SYSTICK_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_M7_Systick, &rootCfg);

    /* Configure ADC1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ADC1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Adc1, &rootCfg);

    /* Configure ADC2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ADC2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Adc2, &rootCfg);

    /* Configure ACMP using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ACMP_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Acmp, &rootCfg);

    /* Configure FLEXIO1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_FLEXIO1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Flexio1, &rootCfg);

    /* Configure FLEXIO2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_FLEXIO2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Flexio2, &rootCfg);

    /* Configure GPT1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GPT1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gpt1, &rootCfg);

    /* Configure GPT2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GPT2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gpt2, &rootCfg);

    /* Configure GPT3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GPT3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gpt3, &rootCfg);

    /* Configure GPT4 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GPT4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gpt4, &rootCfg);

    /* Configure GPT5 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GPT5_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gpt5, &rootCfg);

    /* Configure GPT6 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GPT6_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gpt6, &rootCfg);

    /* Configure FLEXSPI1 using OSC_RC_48M_DIV2 */
#if !(defined(XIP_EXTERNAL_FLASH) && (XIP_EXTERNAL_FLASH == 1) || defined(FLEXSPI_IN_USE))
    rootCfg.mux = kCLOCK_FLEXSPI1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Flexspi1, &rootCfg);
#endif

    /* Configure FLEXSPI2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_FLEXSPI2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Flexspi2, &rootCfg);

    /* Configure CAN1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CAN1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Can1, &rootCfg);

    /* Configure CAN2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CAN2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Can2, &rootCfg);

    /* Configure CAN3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CAN3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Can3, &rootCfg);

    /* Configure LPUART1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart1, &rootCfg);

    /* Configure LPUART2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart2, &rootCfg);

    /* Configure LPUART3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart3, &rootCfg);

    /* Configure LPUART4 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart4, &rootCfg);

    /* Configure LPUART5 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART5_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart5, &rootCfg);

    /* Configure LPUART6 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART6_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart6, &rootCfg);

    /* Configure LPUART7 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART7_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart7, &rootCfg);

    /* Configure LPUART8 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART8_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart8, &rootCfg);

    /* Configure LPUART9 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART9_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart9, &rootCfg);

    /* Configure LPUART10 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART10_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart10, &rootCfg);

    /* Configure LPUART11 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART11_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart11, &rootCfg);

    /* Configure LPUART12 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPUART12_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpuart12, &rootCfg);

    /* Configure LPI2C1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPI2C1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpi2c1, &rootCfg);

    /* Configure LPI2C2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPI2C2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpi2c2, &rootCfg);

    /* Configure LPI2C3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPI2C3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpi2c3, &rootCfg);

    /* Configure LPI2C4 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPI2C4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpi2c4, &rootCfg);

    /* Configure LPI2C5 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPI2C5_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpi2c5, &rootCfg);

    /* Configure LPI2C6 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPI2C6_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpi2c6, &rootCfg);

    /* Configure LPSPI1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPSPI1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpspi1, &rootCfg);

    /* Configure LPSPI2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPSPI2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpspi2, &rootCfg);

    /* Configure LPSPI3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPSPI3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpspi3, &rootCfg);

    /* Configure LPSPI4 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPSPI4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpspi4, &rootCfg);

    /* Configure LPSPI5 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPSPI5_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpspi5, &rootCfg);

    /* Configure LPSPI6 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LPSPI6_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lpspi6, &rootCfg);

    /* Configure EMV1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_EMV1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Emv1, &rootCfg);

    /* Configure EMV2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_EMV2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Emv2, &rootCfg);

    /* Configure ENET1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet1, &rootCfg);

    /* Configure ENET2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet2, &rootCfg);

    /* Configure ENET_QOS using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET_QOS_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet_Qos, &rootCfg);

    /* Configure ENET_25M using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET_25M_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet_25m, &rootCfg);

    /* Configure ENET_TIMER1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET_TIMER1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet_Timer1, &rootCfg);

    /* Configure ENET_TIMER2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET_TIMER2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet_Timer2, &rootCfg);

    /* Configure ENET_TIMER3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ENET_TIMER3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Enet_Timer3, &rootCfg);

    /* Configure USDHC1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_USDHC1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Usdhc1, &rootCfg);

    /* Configure USDHC2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_USDHC2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Usdhc2, &rootCfg);

    /* Configure ASRC using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_ASRC_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Asrc, &rootCfg);

    /* Configure MQS using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_MQS_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Mqs, &rootCfg);

    /* Configure MIC using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_MIC_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Mic, &rootCfg);

    /* Configure SPDIF using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_SPDIF_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Spdif, &rootCfg);

    /* Configure SAI1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_SAI1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Sai1, &rootCfg);

    /* Configure SAI2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_SAI2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Sai2, &rootCfg);

    /* Configure SAI3 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_SAI3_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Sai3, &rootCfg);

    /* Configure SAI4 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_SAI4_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Sai4, &rootCfg);

    /* Configure GC355 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_GC355_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Gc355, &rootCfg);

    /* Configure LCDIF using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LCDIF_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lcdif, &rootCfg);

    /* Configure LCDIFV2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_LCDIFV2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Lcdifv2, &rootCfg);

    /* Configure MIPI_REF using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_MIPI_REF_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Mipi_Ref, &rootCfg);

    /* Configure MIPI_ESC using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_MIPI_ESC_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Mipi_Esc, &rootCfg);

    /* Configure CSI2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CSI2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Csi2, &rootCfg);

    /* Configure CSI2_ESC using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CSI2_ESC_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Csi2_Esc, &rootCfg);

    /* Configure CSI2_UI using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CSI2_UI_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Csi2_Ui, &rootCfg);

    /* Configure CSI using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CSI_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Csi, &rootCfg);

    /* Configure CKO1 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CKO1_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Cko1, &rootCfg);

    /* Configure CKO2 using OSC_RC_48M_DIV2 */
    rootCfg.mux = kCLOCK_CKO2_ClockRoot_MuxOscRc48MDiv2;
    rootCfg.div = 1;
    CLOCK_SetRootClock(kCLOCK_Root_Cko2, &rootCfg);

    /* 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, 3);
    /* 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 ENET Ref clock source. */
    IOMUXC_GPR->GPR4 &= ~IOMUXC_GPR_GPR4_ENET_REF_CLK_DIR_MASK;
    /* Set ENET_1G Tx clock source. */
    IOMUXC_GPR->GPR5 = ((IOMUXC_GPR->GPR5 & ~IOMUXC_GPR_GPR5_ENET1G_TX_CLK_SEL_MASK) | IOMUXC_GPR_GPR5_ENET1G_RGMII_EN_MASK);
    /* Set ENET_1G Ref clock source. */
    IOMUXC_GPR->GPR5 &= ~IOMUXC_GPR_GPR5_ENET1G_REF_CLK_DIR_MASK;
    /* Set ENET_QOS Tx clock source. */
    IOMUXC_GPR->GPR6 &= ~IOMUXC_GPR_GPR6_ENET_QOS_RGMII_EN_MASK;
    /* Set ENET_QOS Ref clock source. */
    IOMUXC_GPR->GPR6 &= ~IOMUXC_GPR_GPR6_ENET_QOS_REF_CLK_DIR_MASK;
    /* Set GPT1 High frequency reference clock source. */
    IOMUXC_GPR->GPR22 &= ~IOMUXC_GPR_GPR22_REF_1M_CLK_GPT1_MASK;
    /* Set GPT2 High frequency reference clock source. */
    IOMUXC_GPR->GPR23 &= ~IOMUXC_GPR_GPR23_REF_1M_CLK_GPT2_MASK;
    /* Set GPT3 High frequency reference clock source. */
    IOMUXC_GPR->GPR24 &= ~IOMUXC_GPR_GPR24_REF_1M_CLK_GPT3_MASK;
    /* Set GPT4 High frequency reference clock source. */
    IOMUXC_GPR->GPR25 &= ~IOMUXC_GPR_GPR25_REF_1M_CLK_GPT4_MASK;
    /* Set GPT5 High frequency reference clock source. */
    IOMUXC_GPR->GPR26 &= ~IOMUXC_GPR_GPR26_REF_1M_CLK_GPT5_MASK;
    /* Set GPT6 High frequency reference clock source. */
    IOMUXC_GPR->GPR27 &= ~IOMUXC_GPR_GPR27_REF_1M_CLK_GPT6_MASK;

#if __CORTEX_M == 7
    SystemCoreClock = CLOCK_GetRootClockFreq(kCLOCK_Root_M7);
#else
    SystemCoreClock = CLOCK_GetRootClockFreq(kCLOCK_Root_M4);
#endif
}