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/*
* Copyright (c) 2013 - 2016, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* This is a template for clock configuration created by New Kinetis SDK 2.x Project Wizard. Enjoy! */
#include "fsl_device_registers.h"
#include "fsl_common.h"
#include "fsl_clock.h"
#include "fsl_port.h"
#include "clock_config.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/*******************************************************************************
* Code
******************************************************************************/
void BOARD_InitOsc0(void)
{
const osc_config_t oscConfig = {.freq = BOARD_XTAL0_CLK_HZ,
.capLoad = 0,
.workMode = kOSC_ModeOscLowPower,
.oscerConfig = {
.enableMode = kOSC_ErClkEnable,
#if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER)
.erclkDiv = 0U,
#endif
}};
CLOCK_InitOsc0(&oscConfig);
/* Passing the XTAL0 frequency to clock driver. */
CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ);
/* Use RTC_CLKIN input clock directly. */
//CLOCK_SetXtal32Freq(BOARD_XTAL32K_CLK_HZ);
}
void BOARD_BootClockRUN(void)
{
/*
* Core clock: 96MHz
* Bus clock: 48MHz
*/
mcg_pll_config_t pll0Config = {
.enableMode = 0U, .prdiv = 0x3U, .vdiv = 0x18U,
};
const sim_clock_config_t simConfig = {
.pllFllSel = 1U, /* PLLFLLSEL select PLL. */
.er32kSrc = 2U, /* ERCLK32K selection, use RTC. */
.clkdiv1 = 0x01130000U, /* SIM_CLKDIV1. */
};
CLOCK_SetSimSafeDivs();
BOARD_InitOsc0();
CLOCK_CalcPllDiv(BOARD_XTAL0_CLK_HZ, 96000000U, &pll0Config.prdiv, &pll0Config.vdiv);
CLOCK_BootToPeeMode(kMCG_OscselOsc, kMCG_PllClkSelPll0, &pll0Config);
CLOCK_SetInternalRefClkConfig(kMCG_IrclkEnable, kMCG_IrcSlow, 0);
CLOCK_SetSimConfig(&simConfig);
SystemCoreClock = 96000000U;
}
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