/*******************************************************************************
* Code for BOARD_BootClockPLL180M configuration
******************************************************************************/
void BOARD_BootClockPLL180M(void)
{
/*!< Set up the clock sources */
/*!< Set up FRO */
POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */
CLOCK_AttachClk(
kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally
being below the voltage for current speed */
POWER_SetVoltageForFreq(
12000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
CLOCK_SetFLASHAccessCyclesForFreq(12000000U); /*!< Set FLASH wait states for core */
/*!< Set up SYS PLL */
const pll_setup_t pllSetup = {
.pllctrl = SYSCON_SYSPLLCTRL_SELI(32U) | SYSCON_SYSPLLCTRL_SELP(16U) | SYSCON_SYSPLLCTRL_SELR(0U),
.pllmdec = (SYSCON_SYSPLLMDEC_MDEC(8191U)),
.pllndec = (SYSCON_SYSPLLNDEC_NDEC(770U)),
.pllpdec = (SYSCON_SYSPLLPDEC_PDEC(98U)),
.pllRate = 180000000U,
.flags = PLL_SETUPFLAG_WAITLOCK | PLL_SETUPFLAG_POWERUP};
CLOCK_AttachClk(kEXT_CLK_to_SYS_PLL); /*!< Set sys pll clock source from external crystal */
CLOCK_SetPLLFreq(&pllSetup); /*!< Configure PLL to the desired value */
POWER_SetVoltageForFreq(
180000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
CLOCK_SetFLASHAccessCyclesForFreq(180000000U); /*!< Set FLASH wait states for core */
CLOCK_AttachClk(kSYS_PLL_to_MAIN_CLK); /*!< Switch System clock to SYS PLL 180MHz */
/* Set SystemCoreClock variable. */
SystemCoreClock = BOARD_BootClockPLL180M_CORE_CLOCK;
}
/*******************************************************************************
* Code for BOARD_BootClockPLL180M configuration
******************************************************************************/
void BOARD_BootClockPLL180M(void)
{
/*!< Set up the clock sources */
/*!< Set up FRO */
POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */
CLOCK_AttachClk(
kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally
being below the voltage for current speed */
POWER_SetVoltageForFreq(
12000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
CLOCK_SetFLASHAccessCyclesForFreq(12000000U); /*!< Set FLASH wait states for core */
/*!< Set up SYS PLL */
const pll_setup_t pllSetup = {
.pllctrl = SYSCON_SYSPLLCTRL_SELI(32U) | SYSCON_SYSPLLCTRL_SELP(16U) | SYSCON_SYSPLLCTRL_SELR(0U),
.pllmdec = (SYSCON_SYSPLLMDEC_MDEC(8191U)),
.pllndec = (SYSCON_SYSPLLNDEC_NDEC(770U)),
.pllpdec = (SYSCON_SYSPLLPDEC_PDEC(98U)),
.pllRate = 180000000U,
.flags = PLL_SETUPFLAG_WAITLOCK | PLL_SETUPFLAG_POWERUP};
CLOCK_AttachClk(kEXT_CLK_to_SYS_PLL); /*!< Set sys pll clock source from external crystal */
CLOCK_SetPLLFreq(&pllSetup); /*!< Configure PLL to the desired value */
POWER_SetVoltageForFreq(
180000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
CLOCK_SetFLASHAccessCyclesForFreq(180000000U); /*!< Set FLASH wait states for core */
CLOCK_AttachClk(kSYS_PLL_to_MAIN_CLK); /*!< Switch System clock to SYS PLL 180MHz */
/* Set SystemCoreClock variable. */
SystemCoreClock = BOARD_BOOTCLOCKPLL180M_CORE_CLOCK;
}
/*******************************************************************************
******************** Configuration BOARD_BootClockPLL220M *********************
******************************************************************************/
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!Configuration
name: BOARD_BootClockPLL220M
called_from_default_init: true
outputs:
- {id: FRO12M_clock.outFreq, value: 12 MHz}
- {id: FROHF_clock.outFreq, value: 48 MHz}
- {id: MAIN_clock.outFreq, value: 220 MHz}
- {id: SYSPLL_clock.outFreq, value: 220 MHz}
- {id: System_clock.outFreq, value: 220 MHz}
settings:
- {id: SYSCON.MAINCLKSELB.sel, value: SYSCON.PLL_BYPASS}
- {id: SYSCON.M_MULT.scale, value: '110', locked: true}
- {id: SYSCON.N_DIV.scale, value: '3', locked: true}
- {id: SYSCON.PDEC.scale, value: '2', locked: true}
- {id: SYSCON_PDRUNCFG0_PDEN_SYS_PLL_CFG, value: Power_up}
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
/*******************************************************************************
* Variables for BOARD_BootClockPLL220M configuration
******************************************************************************/
/*******************************************************************************
* Code for BOARD_BootClockPLL220M configuration
******************************************************************************/
void BOARD_BootClockPLL220M(void)
{
/*!< Set up the clock sources */
/*!< Set up FRO */
POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on */
CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without accidentally
being below the voltage for current speed */
POWER_SetVoltageForFreq(220000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
CLOCK_SetFLASHAccessCyclesForFreq(220000000U); /*!< Set FLASH wait states for core */
/*!< Set up SYS PLL */
const pll_setup_t pllSetup = {
.pllctrl = SYSCON_SYSPLLCTRL_SELI(34U) | SYSCON_SYSPLLCTRL_SELP(31U) | SYSCON_SYSPLLCTRL_SELR(0U),
.pllmdec = (SYSCON_SYSPLLMDEC_MDEC(13243U)),
.pllndec = (SYSCON_SYSPLLNDEC_NDEC(1U)),
.pllpdec = (SYSCON_SYSPLLPDEC_PDEC(98U)),
.pllRate = 220000000U,
.flags = PLL_SETUPFLAG_WAITLOCK | PLL_SETUPFLAG_POWERUP
};
CLOCK_AttachClk(kFRO12M_to_SYS_PLL); /*!< Set sys pll clock source*/
CLOCK_SetPLLFreq(&pllSetup); /*!< Configure PLL to the desired value */
/*!< Set up dividers */
CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Reset divider counter and set divider to value 1 */
/*!< Set up clock selectors - Attach clocks to the peripheries */
CLOCK_AttachClk(kSYS_PLL_to_MAIN_CLK); /*!< Switch MAIN_CLK to SYS_PLL */
SYSCON->MAINCLKSELA = ((SYSCON->MAINCLKSELA & ~SYSCON_MAINCLKSELA_SEL_MASK) | SYSCON_MAINCLKSELA_SEL(0U)); /*!< Switch MAINCLKSELA to FRO12M even it is not used for MAINCLKSELB */
/* Set SystemCoreClock variable. */
SystemCoreClock = BOARD_BOOTCLOCKPLL220M_CORE_CLOCK;
}
