Add KBOOT.
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/*
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* Copyright (c) 2014-2015, Freescale Semiconductor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdint.h>
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#include "system_MK80F25615.h"
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#include "fsl_device_registers.h"
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#include "target_config.h"
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#ifndef DISABLE_WDOG
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#define DISABLE_WDOG 1
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#endif
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/* ----------------------------------------------------------------------------
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-- Core clock
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---------------------------------------------------------------------------- */
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uint32_t SystemCoreClock = kDefaultClock;
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/* ----------------------------------------------------------------------------
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-- SystemInit()
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---------------------------------------------------------------------------- */
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void SystemInit(void)
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{
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#if ((__FPU_PRESENT == 1) && (__FPU_USED == 1))
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SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10, CP11 Full Access */
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#endif /* ((__FPU_PRESENT == 1) && (__FPU_USED == 1)) */
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#if (DISABLE_WDOG)
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/* Disable the WDOG module */
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/* WDOG->UNLOCK: WDOGUNLOCK=0xC520 */
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WDOG->UNLOCK = WDOG_UNLOCK_WDOGUNLOCK(0xC520); /* Key 1 */
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/* WDOG->UNLOCK: WDOGUNLOCK=0xD928 */
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WDOG->UNLOCK = WDOG_UNLOCK_WDOGUNLOCK(0xD928); /* Key 2 */
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/* WDOG->STCTRLH:
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* ?=0,DISTESTWDOG=0,BYTESEL=0,TESTSEL=0,TESTWDOG=0,?=0,?=1,WAITEN=1,STOPEN=1,DBGEN=0,ALLOWUPDATE=1,WINEN=0,IRQRSTEN=0,CLKSRC=1,WDOGEN=0
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*/
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WDOG->STCTRLH = WDOG_STCTRLH_BYTESEL(0x00) | WDOG_STCTRLH_WAITEN_MASK | WDOG_STCTRLH_STOPEN_MASK |
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WDOG_STCTRLH_ALLOWUPDATE_MASK | WDOG_STCTRLH_CLKSRC_MASK | 0x0100U;
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#endif /* (DISABLE_WDOG) */
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}
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/*
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** ###################################################################
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** Processor: MK80FN256VLQR
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** Compilers: ARM Compiler
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** Freescale C/C++ for Embedded ARM
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** GNU C Compiler
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** IAR ANSI C/C++ Compiler for ARM
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**
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** Reference manual: K66P144M180SF5RM, Rev.1, Draft C, June 2013
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** Version: rev. 1.0, 2014-06-13
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**
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** Abstract:
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** Provides a system configuration function and a global variable that
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** contains the system frequency. It configures the device and initializes
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** the oscillator (PLL) that is part of the microcontroller device.
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**
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** Copyright: 2014 Freescale, Inc. All Rights Reserved.
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**
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** http: www.freescale.com
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** mail: support@freescale.com
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**
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** Revisions:
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** - rev. 1.0 (2014-06-13)
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** Initial version.
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**
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** ###################################################################
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*/
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/*!
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* @file MK80F256
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* @version 1.0
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* @date 2014-06-13
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* @brief Device specific configuration file for MK80F256 (header file)
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*
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* Provides a system configuration function and a global variable that contains
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* the system frequency. It configures the device and initializes the oscillator
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* (PLL) that is part of the microcontroller device.
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*/
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#ifndef _SYSTEM_MK80F256_H_
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#define _SYSTEM_MK80F256_H_ /**< Symbol preventing repeated inclusion */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#define DEFAULT_SYSTEM_CLOCK 20971520u /* Default System clock value */
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/**
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* @brief System clock frequency (core clock)
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*
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* The system clock frequency supplied to the SysTick timer and the processor
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* core clock. This variable can be used by the user application to setup the
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* SysTick timer or configure other parameters. It may also be used by debugger to
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* query the frequency of the debug timer or configure the trace clock speed
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* SystemCoreClock is initialized with a correct predefined value.
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*/
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extern uint32_t SystemCoreClock;
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/**
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* @brief Setup the microcontroller system.
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*
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* Typically this function configures the oscillator (PLL) that is part of the
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* microcontroller device. For systems with variable clock speed it also updates
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* the variable SystemCoreClock. SystemInit is called from startup_device file.
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*/
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void SystemInit(void);
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/**
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* @brief Updates the SystemCoreClock variable.
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*
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* It must be called whenever the core clock is changed during program
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* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
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* the current core clock.
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*/
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void SystemCoreClockUpdate(void);
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void SystemConfigureClocks(uint32_t clkdiv1, bool enableUsb);
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#ifdef __cplusplus
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}
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#endif
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#endif /* #if !defined(_SYSTEM_MK80F256_H_) */
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