/* * 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 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; /******************************************************************************* ************************ BOARD_InitBootClocks function ************************ ******************************************************************************/ void BOARD_InitBootClocks(void) { BOARD_BootClockFROHF48M(); } /******************************************************************************* ********************* 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; }