189 lines
9.2 KiB
C
189 lines
9.2 KiB
C
|
/*
|
||
|
|
* The Clear BSD License
|
||
|
|
* Copyright (c) 2015, Freescale Semiconductor, Inc.
|
||
|
|
* Copyright 2016-2017 NXP
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
||
|
|
* are permitted (subject to the limitations in the disclaimer below) 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 the copyright holder nor the names of its
|
||
|
|
* contributors may be used to endorse or promote products derived from this
|
||
|
|
* software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* How to set up clock using clock driver functions:
|
||
|
|
*
|
||
|
|
* 1. Setup clock sources.
|
||
|
|
*
|
||
|
|
* 2. Setup voltage for the fastest of the clock outputs
|
||
|
|
*
|
||
|
|
* 3. Set up wait states of the flash.
|
||
|
|
*
|
||
|
|
* 4. Set up all dividers.
|
||
|
|
*
|
||
|
|
* 5. Set up all selectors to provide selected clocks.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* TEXT BELOW IS USED AS SETTING FOR THE CLOCKS TOOL *****************************
|
||
|
|
!!ClocksProfile
|
||
|
|
product: Clocks v1.0
|
||
|
|
processor: LPC54114J256
|
||
|
|
package_id: LPC54114J256BD64
|
||
|
|
mcu_data: ksdk2_0
|
||
|
|
processor_version: 1.1.0
|
||
|
|
board: LPCXpresso54114
|
||
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR THE CLOCKS TOOL **/
|
||
|
|
|
||
|
|
#include "fsl_power.h"
|
||
|
|
#include "fsl_clock.h"
|
||
|
|
#include "clock_config.h"
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Definitions
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Variables
|
||
|
|
******************************************************************************/
|
||
|
|
/* System clock frequency. */
|
||
|
|
extern uint32_t SystemCoreClock;
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
********************* Configuration BOARD_BootClockFRO12M ***********************
|
||
|
|
******************************************************************************/
|
||
|
|
/* TEXT BELOW IS USED AS SETTING FOR THE CLOCKS TOOL *****************************
|
||
|
|
!!Configuration
|
||
|
|
name: BOARD_BootClockFRO12M
|
||
|
|
outputs:
|
||
|
|
- {id: System_clock.outFreq, value: 12 MHz}
|
||
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR THE CLOCKS TOOL **/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Variables for BOARD_BootClockFRO12M configuration
|
||
|
|
******************************************************************************/
|
||
|
|
/*******************************************************************************
|
||
|
|
* Code for BOARD_BootClockFRO12M configuration
|
||
|
|
******************************************************************************/
|
||
|
|
void BOARD_BootClockFRO12M(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 */
|
||
|
|
CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */
|
||
|
|
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 dividers */
|
||
|
|
CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
|
||
|
|
|
||
|
|
/*!< Set up clock selectors - Attach clocks to the peripheries */
|
||
|
|
CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO12M */
|
||
|
|
/*!< Set SystemCoreClock variable. */
|
||
|
|
SystemCoreClock = BOARD_BOOTCLOCKFRO12M_CORE_CLOCK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
********************** Configuration BOARD_BootClockFROHF48M ***********************
|
||
|
|
******************************************************************************/
|
||
|
|
/* TEXT BELOW IS USED AS SETTING FOR THE CLOCKS TOOL *****************************
|
||
|
|
!!Configuration
|
||
|
|
name: BOARD_BootClockFROHF48M
|
||
|
|
outputs:
|
||
|
|
- {id: System_clock.outFreq, value: 48 MHz}
|
||
|
|
settings:
|
||
|
|
- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
|
||
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR THE CLOCKS TOOL **/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Variables for BOARD_BootClockFROHF48M configuration
|
||
|
|
******************************************************************************/
|
||
|
|
/*******************************************************************************
|
||
|
|
* Code for BOARD_BootClockFROHF48M configuration
|
||
|
|
******************************************************************************/
|
||
|
|
void BOARD_BootClockFROHF48M(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(48000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
|
||
|
|
CLOCK_SetFLASHAccessCyclesForFreq(48000000U); /*!< Set FLASH wait states for core */
|
||
|
|
|
||
|
|
CLOCK_SetupFROClocking(48000000U); /*!< Set up high frequency FRO output to selected frequency */
|
||
|
|
|
||
|
|
/*!< Set up dividers */
|
||
|
|
CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
|
||
|
|
|
||
|
|
/*!< Set up clock selectors - Attach clocks to the peripheries */
|
||
|
|
CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
|
||
|
|
/*!< Set SystemCoreClock variable. */
|
||
|
|
SystemCoreClock = BOARD_BOOTCLOCKFROHF48M_CORE_CLOCK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
********************* Configuration BOARD_BootClockFROHF96M **********************
|
||
|
|
******************************************************************************/
|
||
|
|
/* TEXT BELOW IS USED AS SETTING FOR THE CLOCKS TOOL *****************************
|
||
|
|
!!Configuration
|
||
|
|
name: BOARD_BootClockFROHF96M
|
||
|
|
outputs:
|
||
|
|
- {id: System_clock.outFreq, value: 96 MHz}
|
||
|
|
settings:
|
||
|
|
- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
|
||
|
|
sources:
|
||
|
|
- {id: SYSCON.fro_hf.outFreq, value: 96 MHz}
|
||
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR THE CLOCKS TOOL **/
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Variables for BOARD_BootClockFROHF96M configuration
|
||
|
|
******************************************************************************/
|
||
|
|
/*******************************************************************************
|
||
|
|
* Code for BOARD_BootClockFROHF96M configuration
|
||
|
|
******************************************************************************/
|
||
|
|
void BOARD_BootClockFROHF96M(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(96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
|
||
|
|
CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */
|
||
|
|
|
||
|
|
CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */
|
||
|
|
|
||
|
|
/*!< Set up dividers */
|
||
|
|
CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
|
||
|
|
|
||
|
|
/*!< Set up clock selectors - Attach clocks to the peripheries */
|
||
|
|
CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
|
||
|
|
/*!< Set SystemCoreClock variable. */
|
||
|
|
SystemCoreClock = BOARD_BOOTCLOCKFROHF96M_CORE_CLOCK;
|
||
|
|
}
|
||
|
|
|