Landzo_K60Z_WebServer/board/clock_config.c

235 lines
11 KiB
C

/***********************************************************************************************************************
* 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 setup clock using clock driver functions:
*
* 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock
* and flash clock are in allowed range during clock mode switch.
*
* 2. Call CLOCK_Osc0Init to setup OSC clock, if it is used in target mode.
*
* 3. Set MCG configuration, MCG includes three parts: FLL clock, PLL clock and
* internal reference clock(MCGIRCLK). Follow the steps to setup:
*
* 1). Call CLOCK_BootToXxxMode to set MCG to target mode.
*
* 2). If target mode is FBI/BLPI/PBI mode, the MCGIRCLK has been configured
* correctly. For other modes, need to call CLOCK_SetInternalRefClkConfig
* explicitly to setup MCGIRCLK.
*
* 3). Don't need to configure FLL explicitly, because if target mode is FLL
* mode, then FLL has been configured by the function CLOCK_BootToXxxMode,
* if the target mode is not FLL mode, the FLL is disabled.
*
* 4). If target mode is PEE/PBE/PEI/PBI mode, then the related PLL has been
* setup by CLOCK_BootToXxxMode. In FBE/FBI/FEE/FBE mode, the PLL could
* be enabled independently, call CLOCK_EnablePll0 explicitly in this case.
*
* 4. Call CLOCK_SetSimConfig to set the clock configuration in SIM.
*/
/* clang-format off */
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!GlobalInfo
product: Clocks v9.0
processor: MK60DN512xxx10
package_id: MK60DN512VLQ10
mcu_data: ksdk2_0
processor_version: 11.0.1
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
/* clang-format on */
#include "fsl_rtc.h"
#include "clock_config.h"
/*******************************************************************************
* Definitions
******************************************************************************/
#define MCG_IRCLK_DISABLE 0U /*!< MCGIRCLK disabled */
#define MCG_PLL_DISABLE 0U /*!< MCGPLLCLK disabled */
#define OSC_CAP0P 0U /*!< Oscillator 0pF capacitor load */
#define RTC_OSC_CAP_LOAD_12PF 0x1800U /*!< RTC oscillator capacity load: 12pF */
#define RTC_RTC32KCLK_PERIPHERALS_ENABLED 1U /*!< RTC32KCLK to other peripherals: enabled */
#define SIM_ENET_RMII_CLK_SEL_EXTAL_CLK 0U /*!< SDHC clock select: Core/system clock */
#define SIM_OSC32KSEL_OSC32KCLK_CLK 0U /*!< OSC32KSEL select: OSC32KCLK clock */
#define SIM_PLLFLLSEL_MCGFLLCLK_CLK 0U /*!< PLLFLL select: MCGFLLCLK clock */
#define SIM_SDHC_CLK_SEL_OSCERCLK_CLK 2U /*!< SDHC clock select: OSCERCLK clock */
/*******************************************************************************
* Variables
******************************************************************************/
/* System clock frequency. */
extern uint32_t SystemCoreClock;
/*******************************************************************************
* Code
******************************************************************************/
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_CONFIG_SetRtcClock
* Description : This function is used to configuring RTC clock including
* enabling RTC oscillator.
* Param capLoad : RTC oscillator capacity load
* Param enableOutPeriph : Enable (1U)/Disable (0U) clock to peripherals
*
*END**************************************************************************/
static void CLOCK_CONFIG_SetRtcClock(uint32_t capLoad, uint8_t enableOutPeriph)
{
/* RTC clock gate enable */
CLOCK_EnableClock(kCLOCK_Rtc0);
if ((RTC->CR & RTC_CR_OSCE_MASK) == 0u) { /* Only if the Rtc oscillator is not already enabled */
/* Set the specified capacitor configuration for the RTC oscillator */
RTC_SetOscCapLoad(RTC, capLoad);
/* Enable the RTC 32KHz oscillator */
RTC->CR |= RTC_CR_OSCE_MASK;
}
/* Output to other peripherals */
if (enableOutPeriph) {
RTC->CR &= ~RTC_CR_CLKO_MASK;
}
else {
RTC->CR |= RTC_CR_CLKO_MASK;
}
/* Set the XTAL32/RTC_CLKIN frequency based on board setting. */
CLOCK_SetXtal32Freq(BOARD_XTAL32K_CLK_HZ);
/* Set RTC_TSR if there is fault value in RTC */
if (RTC->SR & RTC_SR_TIF_MASK) {
RTC -> TSR = RTC -> TSR;
}
/* RTC clock gate disable */
CLOCK_DisableClock(kCLOCK_Rtc0);
}
/*FUNCTION**********************************************************************
*
* Function Name : CLOCK_CONFIG_SetFllExtRefDiv
* Description : Configure FLL external reference divider (FRDIV).
* Param frdiv : The value to set FRDIV.
*
*END**************************************************************************/
static void CLOCK_CONFIG_SetFllExtRefDiv(uint8_t frdiv)
{
MCG->C1 = ((MCG->C1 & ~MCG_C1_FRDIV_MASK) | MCG_C1_FRDIV(frdiv));
}
/*******************************************************************************
************************ 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: Bus_clock.outFreq, value: 50 MHz}
- {id: Core_clock.outFreq, value: 100 MHz}
- {id: Flash_clock.outFreq, value: 25 MHz}
- {id: FlexBus_clock.outFreq, value: 50 MHz}
- {id: LPO_clock.outFreq, value: 1 kHz}
- {id: MCGFFCLK.outFreq, value: 39.0625 kHz}
- {id: OSCERCLK.outFreq, value: 50 MHz}
- {id: RMIICLK.outFreq, value: 50 MHz}
- {id: SDHCCLK.outFreq, value: 50 MHz}
- {id: System_clock.outFreq, value: 100 MHz}
settings:
- {id: MCGMode, value: PEE}
- {id: MCG.FLL_mul.scale, value: '640', locked: true}
- {id: MCG.FRDIV.scale, value: '1280'}
- {id: MCG.IREFS.sel, value: MCG.FRDIV}
- {id: MCG.PLLS.sel, value: MCG.PLL}
- {id: MCG.PRDIV.scale, value: '13', locked: true}
- {id: MCG.VDIV.scale, value: '26', locked: true}
- {id: MCG_C2_RANGE0_CFG, value: Very_high}
- {id: MCG_C2_RANGE0_FRDIV_CFG, value: Very_high}
- {id: OSC_CR_ERCLKEN_CFG, value: Enabled}
- {id: RMIISrcConfig, value: 'yes'}
- {id: RTC_CR_OSCE_CFG, value: Enabled}
- {id: RTC_CR_OSC_CAP_LOAD_CFG, value: SC12PF}
- {id: SDHCClkConfig, value: 'yes'}
- {id: SIM.OUTDIV1.scale, value: '1', locked: true}
- {id: SIM.OUTDIV2.scale, value: '2'}
- {id: SIM.OUTDIV3.scale, value: '2'}
- {id: SIM.OUTDIV4.scale, value: '4'}
- {id: SIM.SDHCSRCSEL.sel, value: OSC.OSCERCLK}
sources:
- {id: OSC.OSC.outFreq, value: 50 MHz, enabled: true}
- {id: RTC.RTC32kHz.outFreq, value: 32.768 kHz, enabled: true}
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
/* clang-format on */
/*******************************************************************************
* Variables for BOARD_BootClockRUN configuration
******************************************************************************/
const mcg_config_t mcgConfig_BOARD_BootClockRUN =
{
.mcgMode = kMCG_ModePEE, /* PEE - PLL Engaged External */
.irclkEnableMode = MCG_IRCLK_DISABLE, /* MCGIRCLK disabled */
.ircs = kMCG_IrcSlow, /* Slow internal reference clock selected */
.fcrdiv = 0x1U, /* Fast IRC divider: divided by 2 */
.frdiv = 0x6U, /* FLL reference clock divider: divided by 1280 */
.drs = kMCG_DrsLow, /* Low frequency range */
.dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25% */
.oscsel = kMCG_OscselOsc, /* Selects System Oscillator (OSCCLK) */
.pll0Config =
{
.enableMode = MCG_PLL_DISABLE, /* MCGPLLCLK disabled */
.prdiv = 0xcU, /* PLL Reference divider: divided by 13 */
.vdiv = 0x2U, /* VCO divider: multiplied by 26 */
},
};
const sim_clock_config_t simConfig_BOARD_BootClockRUN =
{
.pllFllSel = SIM_PLLFLLSEL_MCGFLLCLK_CLK, /* PLLFLL select: MCGFLLCLK clock */
.er32kSrc = SIM_OSC32KSEL_OSC32KCLK_CLK, /* OSC32KSEL select: OSC32KCLK clock */
.clkdiv1 = 0x1130000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV2: /2, OUTDIV3: /2, OUTDIV4: /4 */
};
const osc_config_t oscConfig_BOARD_BootClockRUN =
{
.freq = 50000000U, /* Oscillator frequency: 50000000Hz */
.capLoad = (OSC_CAP0P), /* Oscillator capacity load: 0pF */
.workMode = kOSC_ModeExt, /* Use external clock */
.oscerConfig =
{
.enableMode = kOSC_ErClkEnable, /* Enable external reference clock, disable external reference clock in STOP mode */
}
};
/*******************************************************************************
* Code for BOARD_BootClockRUN configuration
******************************************************************************/
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_12PF, RTC_RTC32KCLK_PERIPHERALS_ENABLED);
/* Initializes OSC0 according to board configuration. */
CLOCK_InitOsc0(&oscConfig_BOARD_BootClockRUN);
CLOCK_SetXtal0Freq(oscConfig_BOARD_BootClockRUN.freq);
/* Configure FLL external reference divider (FRDIV). */
CLOCK_CONFIG_SetFllExtRefDiv(mcgConfig_BOARD_BootClockRUN.frdiv);
/* Set MCG to PEE mode. */
CLOCK_BootToPeeMode(mcgConfig_BOARD_BootClockRUN.oscsel,
kMCG_PllClkSelPll0,
&mcgConfig_BOARD_BootClockRUN.pll0Config);
/* Set the clock configuration in SIM module. */
CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
/* Set SystemCoreClock variable. */
SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
/* Set RMII clock source. */
CLOCK_SetRmii0Clock(SIM_ENET_RMII_CLK_SEL_EXTAL_CLK);
/* Set SDHC clock source. */
CLOCK_SetSdhc0Clock(SIM_SDHC_CLK_SEL_OSCERCLK_CLK);
}