1 /*
2  * Copyright (c) 2015, Freescale Semiconductor, Inc.
3  * Copyright 2016-2017,2019 NXP
4  * All rights reserved.
5  *
6  * SPDX-License-Identifier: BSD-3-Clause
7  */
8 /***********************************************************************************************************************
9  * This file was generated by the MCUXpresso Config Tools. Any manual edits made to this file
10  * will be overwritten if the respective MCUXpresso Config Tools is used to update this file.
11  **********************************************************************************************************************/
12 /*
13  * How to setup clock using clock driver functions:
14  *
15  * 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock
16  *    and flash clock are in allowed range during clock mode switch.
17  *
18  * 2. Call CLOCK_Osc0Init to setup OSC clock, if it is used in target mode.
19  *
20  * 3. Set MCG configuration, MCG includes three parts: FLL clock, PLL clock and
21  *    internal reference clock(MCGIRCLK). Follow the steps to setup:
22  *
23  *    1). Call CLOCK_BootToXxxMode to set MCG to target mode.
24  *
25  *    2). If target mode is FBI/BLPI/PBI mode, the MCGIRCLK has been configured
26  *        correctly. For other modes, need to call CLOCK_SetInternalRefClkConfig
27  *        explicitly to setup MCGIRCLK.
28  *
29  *    3). Don't need to configure FLL explicitly, because if target mode is FLL
30  *        mode, then FLL has been configured by the function CLOCK_BootToXxxMode,
31  *        if the target mode is not FLL mode, the FLL is disabled.
32  *
33  *    4). If target mode is PEE/PBE/PEI/PBI mode, then the related PLL has been
34  *        setup by CLOCK_BootToXxxMode. In FBE/FBI/FEE/FBE mode, the PLL could
35  *        be enabled independently, call CLOCK_EnablePll0 explicitly in this case.
36  *
37  * 4. Call CLOCK_SetSimConfig to set the clock configuration in SIM.
38  */
39 
40 /* clang-format off */
41 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
42 !!GlobalInfo
43 product: Clocks v7.0
44 processor: MK28FN2M0Axxx15
45 package_id: MK28FN2M0AVMI15
46 mcu_data: ksdk2_0
47 processor_version: 0.7.1
48  * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
49 /* clang-format on */
50 
51 #include "fsl_smc.h"
52 #include "clock_config.h"
53 
54 /*******************************************************************************
55  * Definitions
56  ******************************************************************************/
57 #define MCG_PLL_DISABLE 0U             /*!< MCGPLLCLK disabled */
58 #define OSC_CAP0P 0U                   /*!< Oscillator 0pF capacitor load */
59 #define OSC_ER_CLK_DISABLE 0U          /*!< Disable external reference clock */
60 #define SIM_OSC32KSEL_RTC32KCLK_CLK 2U /*!< OSC32KSEL select: RTC32KCLK clock (32.768kHz) */
61 #define SIM_PLLFLLSEL_IRC48MCLK_CLK 3U /*!< PLLFLL select: IRC48MCLK clock */
62 #define SIM_PLLFLLSEL_MCGPLLCLK_CLK 1U /*!< PLLFLL select: MCGPLLCLK clock */
63 
64 /*******************************************************************************
65  * Variables
66  ******************************************************************************/
67 /* System clock frequency. */
68 extern uint32_t SystemCoreClock;
69 
70 /*******************************************************************************
71  * Code
72  ******************************************************************************/
73 /*FUNCTION**********************************************************************
74  *
75  * Function Name : CLOCK_CONFIG_SetFllExtRefDiv
76  * Description   : Configure FLL external reference divider (FRDIV).
77  * Param frdiv   : The value to set FRDIV.
78  *
79  *END**************************************************************************/
CLOCK_CONFIG_SetFllExtRefDiv(uint8_t frdiv)80 static void CLOCK_CONFIG_SetFllExtRefDiv(uint8_t frdiv)
81 {
82     MCG->C1 = ((MCG->C1 & ~MCG_C1_FRDIV_MASK) | MCG_C1_FRDIV(frdiv));
83 }
84 
85 /*******************************************************************************
86  ************************ BOARD_InitBootClocks function ************************
87  ******************************************************************************/
BOARD_InitBootClocks(void)88 void BOARD_InitBootClocks(void)
89 {
90     BOARD_BootClockRUN();
91 }
92 
93 /*******************************************************************************
94  ********************** Configuration BOARD_BootClockRUN ***********************
95  ******************************************************************************/
96 /* clang-format off */
97 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
98 !!Configuration
99 name: BOARD_BootClockRUN
100 called_from_default_init: true
101 outputs:
102 - {id: Bus_clock.outFreq, value: 60 MHz}
103 - {id: Core_clock.outFreq, value: 120 MHz}
104 - {id: Flash_clock.outFreq, value: 24 MHz}
105 - {id: FlexBus_clock.outFreq, value: 60 MHz}
106 - {id: LPO_clock.outFreq, value: 1 kHz}
107 - {id: MCGFFCLK.outFreq, value: 375 kHz}
108 - {id: MCGIRCLK.outFreq, value: 32.768 kHz}
109 - {id: MCGPLLCLK.outFreq, value: 120 MHz}
110 - {id: MCGPLLCLK2X.outFreq, value: 240 MHz}
111 - {id: OSCERCLK.outFreq, value: 12 MHz}
112 - {id: OSCERCLK_UNDIV.outFreq, value: 12 MHz}
113 - {id: PLLFLLCLK.outFreq, value: 120 MHz}
114 - {id: System_clock.outFreq, value: 120 MHz}
115 settings:
116 - {id: MCGMode, value: PEE}
117 - {id: MCG.FCRDIV.scale, value: '1', locked: true}
118 - {id: MCG.FRDIV.scale, value: '32'}
119 - {id: MCG.IREFS.sel, value: MCG.FRDIV}
120 - {id: MCG.PLLS.sel, value: MCG.PLLCS}
121 - {id: MCG.PRDIV.scale, value: '1', locked: true}
122 - {id: MCG.VDIV.scale, value: '20', locked: true}
123 - {id: MCG_C1_IRCLKEN_CFG, value: Enabled}
124 - {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower}
125 - {id: MCG_C2_RANGE0_CFG, value: Very_high}
126 - {id: MCG_C2_RANGE0_FRDIV_CFG, value: Very_high}
127 - {id: OSC_CR_ERCLKEN_CFG, value: Enabled}
128 - {id: OSC_CR_ERCLKEN_UNDIV_CFG, value: Enabled}
129 - {id: RTC_CR_OSCE_CFG, value: Enabled}
130 - {id: SIM.OSC32KSEL.sel, value: RTC.RTC32KCLK}
131 - {id: SIM.OUTDIV2.scale, value: '2'}
132 - {id: SIM.OUTDIV3.scale, value: '2'}
133 - {id: SIM.OUTDIV4.scale, value: '5'}
134 - {id: SIM.PLLFLLSEL.sel, value: MCG.MCGPLLCLK}
135 sources:
136 - {id: OSC.OSC.outFreq, value: 12 MHz, enabled: true}
137  * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
138 /* clang-format on */
139 
140 /*******************************************************************************
141  * Variables for BOARD_BootClockRUN configuration
142  ******************************************************************************/
143 const mcg_config_t mcgConfig_BOARD_BootClockRUN = {
144     .mcgMode         = kMCG_ModePEE,      /* PEE - PLL Engaged External */
145     .irclkEnableMode = kMCG_IrclkEnable,  /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
146     .ircs            = kMCG_IrcSlow,      /* Slow internal reference clock selected */
147     .fcrdiv          = 0x0U,              /* Fast IRC divider: divided by 1 */
148     .frdiv           = 0x0U,              /* FLL reference clock divider: divided by 32 */
149     .drs             = kMCG_DrsLow,       /* Low frequency range */
150     .dmx32           = kMCG_Dmx32Default, /* DCO has a default range of 25% */
151     .oscsel          = kMCG_OscselOsc,    /* Selects System Oscillator (OSCCLK) */
152     .pll0Config =
153         {
154             .enableMode = MCG_PLL_DISABLE, /* MCGPLLCLK disabled */
155             .prdiv      = 0x0U,            /* PLL Reference divider: divided by 1 */
156             .vdiv       = 0x4U,            /* VCO divider: multiplied by 20 */
157         },
158     .pllcs = kMCG_PllClkSelPll0, /* PLL0 output clock is selected */
159 };
160 const sim_clock_config_t simConfig_BOARD_BootClockRUN = {
161     .pllFllSel  = SIM_PLLFLLSEL_MCGPLLCLK_CLK, /* PLLFLL select: MCGPLLCLK clock */
162     .pllFllDiv  = 0,                           /* PLLFLLSEL clock divider divisor: divided by 1 */
163     .pllFllFrac = 0,                           /* PLLFLLSEL clock divider fraction: multiplied by 1 */
164     .er32kSrc   = SIM_OSC32KSEL_RTC32KCLK_CLK, /* OSC32KSEL select: RTC32KCLK clock (32.768kHz) */
165     .clkdiv1    = 0x1140000U,                  /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV2: /2, OUTDIV3: /2, OUTDIV4: /5 */
166 };
167 const osc_config_t oscConfig_BOARD_BootClockRUN = {
168     .freq        = 12000000U,            /* Oscillator frequency: 12000000Hz */
169     .capLoad     = (OSC_CAP0P),          /* Oscillator capacity load: 0pF */
170     .workMode    = kOSC_ModeOscLowPower, /* Oscillator low power */
171     .oscerConfig = {
172         .enableMode =
173             kOSC_ErClkEnable, /* Enable external reference clock, disable external reference clock in STOP mode */
174         .erclkDiv = 0,        /* Divider for OSCERCLK: divided by 1 */
175     }};
176 
177 /*******************************************************************************
178  * Code for BOARD_BootClockRUN configuration
179  ******************************************************************************/
BOARD_BootClockRUN(void)180 void BOARD_BootClockRUN(void)
181 {
182     /* Set the system clock dividers in SIM to safe value. */
183     CLOCK_SetSimSafeDivs();
184     /* Initializes OSC0 according to board configuration. */
185     CLOCK_InitOsc0(&oscConfig_BOARD_BootClockRUN);
186     CLOCK_SetXtal0Freq(oscConfig_BOARD_BootClockRUN.freq);
187     /* Configure the Internal Reference clock (MCGIRCLK). */
188     CLOCK_SetInternalRefClkConfig(mcgConfig_BOARD_BootClockRUN.irclkEnableMode, mcgConfig_BOARD_BootClockRUN.ircs,
189                                   mcgConfig_BOARD_BootClockRUN.fcrdiv);
190     /* Configure FLL external reference divider (FRDIV). */
191     CLOCK_CONFIG_SetFllExtRefDiv(mcgConfig_BOARD_BootClockRUN.frdiv);
192     /* Set MCG to PEE mode. */
193     CLOCK_BootToPeeMode(mcgConfig_BOARD_BootClockRUN.oscsel, mcgConfig_BOARD_BootClockRUN.pllcs,
194                         &mcgConfig_BOARD_BootClockRUN.pll0Config);
195     /* Set the clock configuration in SIM module. */
196     CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
197     /* Set SystemCoreClock variable. */
198     SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
199 }
200 
201 /*******************************************************************************
202  ********************* Configuration BOARD_BootClockVLPR ***********************
203  ******************************************************************************/
204 /* clang-format off */
205 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
206 !!Configuration
207 name: BOARD_BootClockVLPR
208 outputs:
209 - {id: Bus_clock.outFreq, value: 4 MHz}
210 - {id: Core_clock.outFreq, value: 4 MHz}
211 - {id: Flash_clock.outFreq, value: 800 kHz}
212 - {id: FlexBus_clock.outFreq, value: 4 MHz}
213 - {id: LPO_clock.outFreq, value: 1 kHz}
214 - {id: MCGIRCLK.outFreq, value: 4 MHz}
215 - {id: System_clock.outFreq, value: 4 MHz}
216 settings:
217 - {id: MCGMode, value: BLPI}
218 - {id: powerMode, value: VLPR}
219 - {id: MCG.CLKS.sel, value: MCG.IRCS}
220 - {id: MCG.FCRDIV.scale, value: '1', locked: true}
221 - {id: MCG.IRCS.sel, value: MCG.FCRDIV}
222 - {id: MCG_C1_IRCLKEN_CFG, value: Enabled}
223 - {id: SIM.OSC32KSEL.sel, value: RTC.RTC32KCLK}
224 - {id: SIM.OUTDIV2.scale, value: '1', locked: true}
225 - {id: SIM.OUTDIV3.scale, value: '1', locked: true}
226 - {id: SIM.OUTDIV4.scale, value: '5', locked: true}
227 - {id: SIM.PLLFLLSEL.sel, value: IRC48M.IRC48MCLK}
228  * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
229 /* clang-format on */
230 
231 /*******************************************************************************
232  * Variables for BOARD_BootClockVLPR configuration
233  ******************************************************************************/
234 const mcg_config_t mcgConfig_BOARD_BootClockVLPR = {
235     .mcgMode         = kMCG_ModeBLPI,     /* BLPI - Bypassed Low Power Internal */
236     .irclkEnableMode = kMCG_IrclkEnable,  /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
237     .ircs            = kMCG_IrcFast,      /* Fast internal reference clock selected */
238     .fcrdiv          = 0x0U,              /* Fast IRC divider: divided by 1 */
239     .frdiv           = 0x0U,              /* FLL reference clock divider: divided by 1 */
240     .drs             = kMCG_DrsLow,       /* Low frequency range */
241     .dmx32           = kMCG_Dmx32Default, /* DCO has a default range of 25% */
242     .oscsel          = kMCG_OscselOsc,    /* Selects System Oscillator (OSCCLK) */
243     .pll0Config =
244         {
245             .enableMode = MCG_PLL_DISABLE, /* MCGPLLCLK disabled */
246             .prdiv      = 0x0U,            /* PLL Reference divider: divided by 1 */
247             .vdiv       = 0x0U,            /* VCO divider: multiplied by 16 */
248         },
249     .pllcs = kMCG_PllClkSelPll0, /* PLL0 output clock is selected */
250 };
251 const sim_clock_config_t simConfig_BOARD_BootClockVLPR = {
252     .pllFllSel  = SIM_PLLFLLSEL_IRC48MCLK_CLK, /* PLLFLL select: IRC48MCLK clock */
253     .pllFllDiv  = 0,                           /* PLLFLLSEL clock divider divisor: divided by 1 */
254     .pllFllFrac = 0,                           /* PLLFLLSEL clock divider fraction: multiplied by 1 */
255     .er32kSrc   = SIM_OSC32KSEL_RTC32KCLK_CLK, /* OSC32KSEL select: RTC32KCLK clock (32.768kHz) */
256     .clkdiv1    = 0x40000U,                    /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV2: /1, OUTDIV3: /1, OUTDIV4: /5 */
257 };
258 const osc_config_t oscConfig_BOARD_BootClockVLPR = {
259     .freq        = 0U,           /* Oscillator frequency: 0Hz */
260     .capLoad     = (OSC_CAP0P),  /* Oscillator capacity load: 0pF */
261     .workMode    = kOSC_ModeExt, /* Use external clock */
262     .oscerConfig = {
263         .enableMode = OSC_ER_CLK_DISABLE, /* Disable external reference clock */
264         .erclkDiv   = 0,                  /* Divider for OSCERCLK: divided by 1 */
265     }};
266 
267 /*******************************************************************************
268  * Code for BOARD_BootClockVLPR configuration
269  ******************************************************************************/
BOARD_BootClockVLPR(void)270 void BOARD_BootClockVLPR(void)
271 {
272     /* Set the system clock dividers in SIM to safe value. */
273     CLOCK_SetSimSafeDivs();
274     /* Set MCG to BLPI mode. */
275     CLOCK_BootToBlpiMode(mcgConfig_BOARD_BootClockVLPR.fcrdiv, mcgConfig_BOARD_BootClockVLPR.ircs,
276                          mcgConfig_BOARD_BootClockVLPR.irclkEnableMode);
277     /* Set the clock configuration in SIM module. */
278     CLOCK_SetSimConfig(&simConfig_BOARD_BootClockVLPR);
279     /* Set VLPR power mode. */
280     SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
281 #if (defined(FSL_FEATURE_SMC_HAS_LPWUI) && FSL_FEATURE_SMC_HAS_LPWUI)
282     SMC_SetPowerModeVlpr(SMC, false);
283 #else
284     SMC_SetPowerModeVlpr(SMC);
285 #endif
286     while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr)
287     {
288     }
289     /* Set SystemCoreClock variable. */
290     SystemCoreClock = BOARD_BOOTCLOCKVLPR_CORE_CLOCK;
291 }
292 
293 /*******************************************************************************
294  ********************* Configuration BOARD_BootClockHSRUN **********************
295  ******************************************************************************/
296 /* clang-format off */
297 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
298 !!Configuration
299 name: BOARD_BootClockHSRUN
300 outputs:
301 - {id: Bus_clock.outFreq, value: 75 MHz}
302 - {id: Core_clock.outFreq, value: 150 MHz}
303 - {id: Flash_clock.outFreq, value: 25 MHz}
304 - {id: FlexBus_clock.outFreq, value: 75 MHz}
305 - {id: LPO_clock.outFreq, value: 1 kHz}
306 - {id: MCGFFCLK.outFreq, value: 375 kHz}
307 - {id: MCGIRCLK.outFreq, value: 32.768 kHz}
308 - {id: MCGPLLCLK.outFreq, value: 150 MHz}
309 - {id: MCGPLLCLK2X.outFreq, value: 300 MHz}
310 - {id: OSCERCLK.outFreq, value: 12 MHz}
311 - {id: OSCERCLK_UNDIV.outFreq, value: 12 MHz}
312 - {id: PLLFLLCLK.outFreq, value: 150 MHz}
313 - {id: System_clock.outFreq, value: 150 MHz}
314 settings:
315 - {id: MCGMode, value: PEE}
316 - {id: powerMode, value: HSRUN}
317 - {id: MCG.FCRDIV.scale, value: '1', locked: true}
318 - {id: MCG.FRDIV.scale, value: '32'}
319 - {id: MCG.IREFS.sel, value: MCG.FRDIV}
320 - {id: MCG.PLLS.sel, value: MCG.PLLCS}
321 - {id: MCG.PRDIV.scale, value: '1', locked: true}
322 - {id: MCG.VDIV.scale, value: '25', locked: true}
323 - {id: MCG_C1_IRCLKEN_CFG, value: Enabled}
324 - {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower}
325 - {id: MCG_C2_RANGE0_CFG, value: Very_high}
326 - {id: MCG_C2_RANGE0_FRDIV_CFG, value: Very_high}
327 - {id: OSC_CR_ERCLKEN_CFG, value: Enabled}
328 - {id: OSC_CR_ERCLKEN_UNDIV_CFG, value: Enabled}
329 - {id: SIM.OSC32KSEL.sel, value: RTC.RTC32KCLK}
330 - {id: SIM.OUTDIV2.scale, value: '2'}
331 - {id: SIM.OUTDIV3.scale, value: '2', locked: true}
332 - {id: SIM.OUTDIV4.scale, value: '6'}
333 - {id: SIM.PLLFLLSEL.sel, value: MCG.MCGPLLCLK}
334 sources:
335 - {id: OSC.OSC.outFreq, value: 12 MHz, enabled: true}
336  * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
337 /* clang-format on */
338 
339 /*******************************************************************************
340  * Variables for BOARD_BootClockHSRUN configuration
341  ******************************************************************************/
342 const mcg_config_t mcgConfig_BOARD_BootClockHSRUN = {
343     .mcgMode         = kMCG_ModePEE,      /* PEE - PLL Engaged External */
344     .irclkEnableMode = kMCG_IrclkEnable,  /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
345     .ircs            = kMCG_IrcSlow,      /* Slow internal reference clock selected */
346     .fcrdiv          = 0x0U,              /* Fast IRC divider: divided by 1 */
347     .frdiv           = 0x0U,              /* FLL reference clock divider: divided by 32 */
348     .drs             = kMCG_DrsLow,       /* Low frequency range */
349     .dmx32           = kMCG_Dmx32Default, /* DCO has a default range of 25% */
350     .oscsel          = kMCG_OscselOsc,    /* Selects System Oscillator (OSCCLK) */
351     .pll0Config =
352         {
353             .enableMode = MCG_PLL_DISABLE, /* MCGPLLCLK disabled */
354             .prdiv      = 0x0U,            /* PLL Reference divider: divided by 1 */
355             .vdiv       = 0x9U,            /* VCO divider: multiplied by 25 */
356         },
357     .pllcs = kMCG_PllClkSelPll0, /* PLL0 output clock is selected */
358 };
359 const sim_clock_config_t simConfig_BOARD_BootClockHSRUN = {
360     .pllFllSel  = SIM_PLLFLLSEL_MCGPLLCLK_CLK, /* PLLFLL select: MCGPLLCLK clock */
361     .pllFllDiv  = 0,                           /* PLLFLLSEL clock divider divisor: divided by 1 */
362     .pllFllFrac = 0,                           /* PLLFLLSEL clock divider fraction: multiplied by 1 */
363     .er32kSrc   = SIM_OSC32KSEL_RTC32KCLK_CLK, /* OSC32KSEL select: RTC32KCLK clock (32.768kHz) */
364     .clkdiv1    = 0x1150000U,                  /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV2: /2, OUTDIV3: /2, OUTDIV4: /6 */
365 };
366 const osc_config_t oscConfig_BOARD_BootClockHSRUN = {
367     .freq        = 12000000U,            /* Oscillator frequency: 12000000Hz */
368     .capLoad     = (OSC_CAP0P),          /* Oscillator capacity load: 0pF */
369     .workMode    = kOSC_ModeOscLowPower, /* Oscillator low power */
370     .oscerConfig = {
371         .enableMode =
372             kOSC_ErClkEnable, /* Enable external reference clock, disable external reference clock in STOP mode */
373         .erclkDiv = 0,        /* Divider for OSCERCLK: divided by 1 */
374     }};
375 
376 /*******************************************************************************
377  * Code for BOARD_BootClockHSRUN configuration
378  ******************************************************************************/
BOARD_BootClockHSRUN(void)379 void BOARD_BootClockHSRUN(void)
380 {
381     /* Set HSRUN power mode */
382     SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
383     SMC_SetPowerModeHsrun(SMC);
384     while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateHsrun)
385     {
386     }
387     /* Set the system clock dividers in SIM to safe value. */
388     CLOCK_SetSimSafeDivs();
389     /* Initializes OSC0 according to board configuration. */
390     CLOCK_InitOsc0(&oscConfig_BOARD_BootClockHSRUN);
391     CLOCK_SetXtal0Freq(oscConfig_BOARD_BootClockHSRUN.freq);
392     /* Configure the Internal Reference clock (MCGIRCLK). */
393     CLOCK_SetInternalRefClkConfig(mcgConfig_BOARD_BootClockHSRUN.irclkEnableMode, mcgConfig_BOARD_BootClockHSRUN.ircs,
394                                   mcgConfig_BOARD_BootClockHSRUN.fcrdiv);
395     /* Configure FLL external reference divider (FRDIV). */
396     CLOCK_CONFIG_SetFllExtRefDiv(mcgConfig_BOARD_BootClockHSRUN.frdiv);
397     /* Set MCG to PEE mode. */
398     CLOCK_BootToPeeMode(mcgConfig_BOARD_BootClockHSRUN.oscsel, mcgConfig_BOARD_BootClockHSRUN.pllcs,
399                         &mcgConfig_BOARD_BootClockHSRUN.pll0Config);
400     /* Set the clock configuration in SIM module. */
401     CLOCK_SetSimConfig(&simConfig_BOARD_BootClockHSRUN);
402     /* Set SystemCoreClock variable. */
403     SystemCoreClock = BOARD_BOOTCLOCKHSRUN_CORE_CLOCK;
404 }
405