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László Monda
2016-08-10 01:45:15 +02:00
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targets/MK22F51212/src/startup/arm/startup_MK22F51212.s
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targets/MK22F51212/src/startup/gcc/startup_MK22F51212.S
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/* ---------------------------------------------------------------------------------------*/
/* @file: startup_MK22F51212.s */
/* @purpose: CMSIS Cortex-M4 Core Device Startup File */
/* MK22F51212 */
/* @version: 2.7 */
/* @date: 2014-10-14 */
/* @build: b150126 */
/* ---------------------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1997 - 2015 , 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. */
/*****************************************************************************/
/* Version: GCC for ARM Embedded Processors */
/*****************************************************************************/
.syntax unified
.arch armv7-m
.section .isr_vector, "a"
.align 2
.globl __isr_vector
__isr_vector:
.long __StackTop /* Top of Stack */
.long Reset_Handler /* Reset Handler */
.long NMI_Handler /* NMI Handler*/
.long HardFault_Handler /* Hard Fault Handler*/
.long MemManage_Handler /* MPU Fault Handler*/
.long BusFault_Handler /* Bus Fault Handler*/
.long UsageFault_Handler /* Usage Fault Handler*/
.long 0 /* Reserved*/
.long 0 /* Reserved*/
.long 0 /* Reserved*/
.long 0 /* Reserved*/
.long SVC_Handler /* SVCall Handler*/
.long DebugMon_Handler /* Debug Monitor Handler*/
.long 0 /* Reserved*/
.long PendSV_Handler /* PendSV Handler*/
.long SysTick_Handler /* SysTick Handler*/
/* External Interrupts*/
.long DMA0_IRQHandler /* DMA Channel 0 Transfer Complete*/
.long DMA1_IRQHandler /* DMA Channel 1 Transfer Complete*/
.long DMA2_IRQHandler /* DMA Channel 2 Transfer Complete*/
.long DMA3_IRQHandler /* DMA Channel 3 Transfer Complete*/
.long DMA4_IRQHandler /* DMA Channel 4 Transfer Complete*/
.long DMA5_IRQHandler /* DMA Channel 5 Transfer Complete*/
.long DMA6_IRQHandler /* DMA Channel 6 Transfer Complete*/
.long DMA7_IRQHandler /* DMA Channel 7 Transfer Complete*/
.long DMA8_IRQHandler /* DMA Channel 8 Transfer Complete*/
.long DMA9_IRQHandler /* DMA Channel 9 Transfer Complete*/
.long DMA10_IRQHandler /* DMA Channel 10 Transfer Complete*/
.long DMA11_IRQHandler /* DMA Channel 11 Transfer Complete*/
.long DMA12_IRQHandler /* DMA Channel 12 Transfer Complete*/
.long DMA13_IRQHandler /* DMA Channel 13 Transfer Complete*/
.long DMA14_IRQHandler /* DMA Channel 14 Transfer Complete*/
.long DMA15_IRQHandler /* DMA Channel 15 Transfer Complete*/
.long DMA_Error_IRQHandler /* DMA Error Interrupt*/
.long MCM_IRQHandler /* Normal Interrupt*/
.long FTF_IRQHandler /* FTFA Command complete interrupt*/
.long Read_Collision_IRQHandler /* Read Collision Interrupt*/
.long LVD_LVW_IRQHandler /* Low Voltage Detect, Low Voltage Warning*/
.long LLW_IRQHandler /* Low Leakage Wakeup*/
.long WDOG_EWM_IRQHandler /* WDOG Interrupt*/
.long RNG_IRQHandler /* RNG Interrupt*/
.long I2C0_IRQHandler /* I2C0 interrupt*/
.long I2C1_IRQHandler /* I2C1 interrupt*/
.long SPI0_IRQHandler /* SPI0 Interrupt*/
.long SPI1_IRQHandler /* SPI1 Interrupt*/
.long I2S0_Tx_IRQHandler /* I2S0 transmit interrupt*/
.long I2S0_Rx_IRQHandler /* I2S0 receive interrupt*/
.long LPUART0_IRQHandler /* LPUART0 status/error interrupt*/
.long UART0_RX_TX_IRQHandler /* UART0 Receive/Transmit interrupt*/
.long UART0_ERR_IRQHandler /* UART0 Error interrupt*/
.long UART1_RX_TX_IRQHandler /* UART1 Receive/Transmit interrupt*/
.long UART1_ERR_IRQHandler /* UART1 Error interrupt*/
.long UART2_RX_TX_IRQHandler /* UART2 Receive/Transmit interrupt*/
.long UART2_ERR_IRQHandler /* UART2 Error interrupt*/
.long Reserved53_IRQHandler /* Reserved interrupt 53*/
.long Reserved54_IRQHandler /* Reserved interrupt 54*/
.long ADC0_IRQHandler /* ADC0 interrupt*/
.long CMP0_IRQHandler /* CMP0 interrupt*/
.long CMP1_IRQHandler /* CMP1 interrupt*/
.long FTM0_IRQHandler /* FTM0 fault, overflow and channels interrupt*/
.long FTM1_IRQHandler /* FTM1 fault, overflow and channels interrupt*/
.long FTM2_IRQHandler /* FTM2 fault, overflow and channels interrupt*/
.long Reserved61_IRQHandler /* Reserved interrupt 61*/
.long RTC_IRQHandler /* RTC interrupt*/
.long RTC_Seconds_IRQHandler /* RTC seconds interrupt*/
.long PIT0_IRQHandler /* PIT timer channel 0 interrupt*/
.long PIT1_IRQHandler /* PIT timer channel 1 interrupt*/
.long PIT2_IRQHandler /* PIT timer channel 2 interrupt*/
.long PIT3_IRQHandler /* PIT timer channel 3 interrupt*/
.long PDB0_IRQHandler /* PDB0 Interrupt*/
.long USB0_IRQHandler /* USB0 interrupt*/
.long Reserved70_IRQHandler /* Reserved interrupt 70*/
.long Reserved71_IRQHandler /* Reserved interrupt 71*/
.long DAC0_IRQHandler /* DAC0 interrupt*/
.long MCG_IRQHandler /* MCG Interrupt*/
.long LPTMR0_IRQHandler /* LPTimer interrupt*/
.long PORTA_IRQHandler /* Port A interrupt*/
.long PORTB_IRQHandler /* Port B interrupt*/
.long PORTC_IRQHandler /* Port C interrupt*/
.long PORTD_IRQHandler /* Port D interrupt*/
.long PORTE_IRQHandler /* Port E interrupt*/
.long SWI_IRQHandler /* Software interrupt*/
.long Reserved81_IRQHandler /* Reserved interrupt 81*/
.long Reserved82_IRQHandler /* Reserved interrupt 82*/
.long Reserved83_IRQHandler /* Reserved interrupt 83*/
.long Reserved84_IRQHandler /* Reserved interrupt 84*/
.long Reserved85_IRQHandler /* Reserved interrupt 85*/
.long Reserved86_IRQHandler /* Reserved interrupt 86*/
.long FTM3_IRQHandler /* FTM3 fault, overflow and channels interrupt*/
.long DAC1_IRQHandler /* DAC1 interrupt*/
.long ADC1_IRQHandler /* ADC1 interrupt*/
.long Reserved90_IRQHandler /* Reserved Interrupt 90*/
.long Reserved91_IRQHandler /* Reserved Interrupt 91*/
.long Reserved92_IRQHandler /* Reserved Interrupt 92*/
.long Reserved93_IRQHandler /* Reserved Interrupt 93*/
.long Reserved94_IRQHandler /* Reserved Interrupt 94*/
.long Reserved95_IRQHandler /* Reserved Interrupt 95*/
.long Reserved96_IRQHandler /* Reserved Interrupt 96*/
.long Reserved97_IRQHandler /* Reserved Interrupt 97*/
.long Reserved98_IRQHandler /* Reserved Interrupt 98*/
.long Reserved99_IRQHandler /* Reserved Interrupt 99*/
.long Reserved100_IRQHandler /* Reserved Interrupt 100*/
.long Reserved101_IRQHandler /* Reserved Interrupt 101*/
.long DefaultISR /* 102*/
.long DefaultISR /* 103*/
.long DefaultISR /* 104*/
.long DefaultISR /* 105*/
.long DefaultISR /* 106*/
.long DefaultISR /* 107*/
.long DefaultISR /* 108*/
.long DefaultISR /* 109*/
.long DefaultISR /* 110*/
.long DefaultISR /* 111*/
.long DefaultISR /* 112*/
.long DefaultISR /* 113*/
.long DefaultISR /* 114*/
.long DefaultISR /* 115*/
.long DefaultISR /* 116*/
.long DefaultISR /* 117*/
.long DefaultISR /* 118*/
.long DefaultISR /* 119*/
.long DefaultISR /* 120*/
.long DefaultISR /* 121*/
.long DefaultISR /* 122*/
.long DefaultISR /* 123*/
.long DefaultISR /* 124*/
.long DefaultISR /* 125*/
.long DefaultISR /* 126*/
.long DefaultISR /* 127*/
.long DefaultISR /* 128*/
.long DefaultISR /* 129*/
.long DefaultISR /* 130*/
.long DefaultISR /* 131*/
.long DefaultISR /* 132*/
.long DefaultISR /* 133*/
.long DefaultISR /* 134*/
.long DefaultISR /* 135*/
.long DefaultISR /* 136*/
.long DefaultISR /* 137*/
.long DefaultISR /* 138*/
.long DefaultISR /* 139*/
.long DefaultISR /* 140*/
.long DefaultISR /* 141*/
.long DefaultISR /* 142*/
.long DefaultISR /* 143*/
.long DefaultISR /* 144*/
.long DefaultISR /* 145*/
.long DefaultISR /* 146*/
.long DefaultISR /* 147*/
.long DefaultISR /* 148*/
.long DefaultISR /* 149*/
.long DefaultISR /* 150*/
.long DefaultISR /* 151*/
.long DefaultISR /* 152*/
.long DefaultISR /* 153*/
.long DefaultISR /* 154*/
.long DefaultISR /* 155*/
.long DefaultISR /* 156*/
.long DefaultISR /* 157*/
.long DefaultISR /* 158*/
.long DefaultISR /* 159*/
.long DefaultISR /* 160*/
.long DefaultISR /* 161*/
.long DefaultISR /* 162*/
.long DefaultISR /* 163*/
.long DefaultISR /* 164*/
.long DefaultISR /* 165*/
.long DefaultISR /* 166*/
.long DefaultISR /* 167*/
.long DefaultISR /* 168*/
.long DefaultISR /* 169*/
.long DefaultISR /* 170*/
.long DefaultISR /* 171*/
.long DefaultISR /* 172*/
.long DefaultISR /* 173*/
.long DefaultISR /* 174*/
.long DefaultISR /* 175*/
.long DefaultISR /* 176*/
.long DefaultISR /* 177*/
.long DefaultISR /* 178*/
.long DefaultISR /* 179*/
.long DefaultISR /* 180*/
.long DefaultISR /* 181*/
.long DefaultISR /* 182*/
.long DefaultISR /* 183*/
.long DefaultISR /* 184*/
.long DefaultISR /* 185*/
.long DefaultISR /* 186*/
.long DefaultISR /* 187*/
.long DefaultISR /* 188*/
.long DefaultISR /* 189*/
.long DefaultISR /* 190*/
.long DefaultISR /* 191*/
.long DefaultISR /* 192*/
.long DefaultISR /* 193*/
.long DefaultISR /* 194*/
.long DefaultISR /* 195*/
.long DefaultISR /* 196*/
.long DefaultISR /* 197*/
.long DefaultISR /* 198*/
.long DefaultISR /* 199*/
.long DefaultISR /* 200*/
.long DefaultISR /* 201*/
.long DefaultISR /* 202*/
.long DefaultISR /* 203*/
.long DefaultISR /* 204*/
.long DefaultISR /* 205*/
.long DefaultISR /* 206*/
.long DefaultISR /* 207*/
.long DefaultISR /* 208*/
.long DefaultISR /* 209*/
.long DefaultISR /* 210*/
.long DefaultISR /* 211*/
.long DefaultISR /* 212*/
.long DefaultISR /* 213*/
.long DefaultISR /* 214*/
.long DefaultISR /* 215*/
.long DefaultISR /* 216*/
.long DefaultISR /* 217*/
.long DefaultISR /* 218*/
.long DefaultISR /* 219*/
.long DefaultISR /* 220*/
.long DefaultISR /* 221*/
.long DefaultISR /* 222*/
.long DefaultISR /* 223*/
.long DefaultISR /* 224*/
.long DefaultISR /* 225*/
.long DefaultISR /* 226*/
.long DefaultISR /* 227*/
.long DefaultISR /* 228*/
.long DefaultISR /* 229*/
.long DefaultISR /* 230*/
.long DefaultISR /* 231*/
.long DefaultISR /* 232*/
.long DefaultISR /* 233*/
.long DefaultISR /* 234*/
.long DefaultISR /* 235*/
.long DefaultISR /* 236*/
.long DefaultISR /* 237*/
.long DefaultISR /* 238*/
.long DefaultISR /* 239*/
#ifdef BL_HAS_BOOTLOADER_CONFIG
//__bootloaderConfigurationArea ; 0x3c0
// .long 'kcfg' // [00:03] tag - Tag value used to validate the bootloader configuration data. Must be set to 'kcfg'
.long 0x6766636b
.long 0xFFFFFFFF // [04:07] crcStartAddress
.long 0xFFFFFFFF // [08:0b] crcByteCount
.long 0xFFFFFFFF // [0c:0f] crcExpectedValue
.byte 0xFF // [10:10] enabledPeripherals
.byte 0xFF // [11:11] i2cSlaveAddress
.short 5000 // [12:13] peripheralDetectionTimeoutMs - Timeout in milliseconds for peripheral detection before jumping to application code
.short 0xFFFF // [14:15] usbVid
.short 0xFFFF // [16:17] usbPid
.long 0xFFFFFFFF // [18:1b] usbStringsPointer
.byte 0xFF // [1c:1c] clockFlags - High Speed and other clock options
.byte 0xFF // [1d:1d] clockDivider - One's complement of clock divider, zero divider is divide by 1
.short 0xFFFF // [1e:1f] reserved
// Fill to align with flash configuration field.
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF // Reserved for user TRIM value
#else
//Fill to align with flash configuration field.
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF // Reserved for user TRIM value
#endif // BL_HAS_BOOTLOADER_CONFIG
.size __isr_vector, . - __isr_vector
/* Flash Configuration */
.section .FlashConfig, "a"
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFF
.long 0xFFFFFFFE
.text
.thumb
/* Reset Handler */
.thumb_func
.align 2
.globl Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
cpsid i /* Mask interrupts */
#ifndef __NO_SYSTEM_INIT
bl SystemInit
#endif
bl init_data_bss
cpsie i /* Unmask interrupts */
#ifndef __START
#define __START _start
#endif
#ifndef __ATOLLIC__
bl __START
#else
bl __libc_init_array
bl main
#endif
.pool
.size Reset_Handler, . - Reset_Handler
.align 1
.thumb_func
.weak DefaultISR
.type DefaultISR, %function
DefaultISR:
b DefaultISR
.size DefaultISR, . - DefaultISR
/* Macro to define default handlers. Default handler
* will be weak symbol and just dead loops. They can be
* overwritten by other handlers */
.macro def_irq_handler handler_name
.weak \handler_name
.set \handler_name, DefaultISR
.endm
/* Exception Handlers */
def_irq_handler NMI_Handler
def_irq_handler HardFault_Handler
def_irq_handler MemManage_Handler
def_irq_handler BusFault_Handler
def_irq_handler UsageFault_Handler
def_irq_handler SVC_Handler
def_irq_handler DebugMon_Handler
def_irq_handler PendSV_Handler
def_irq_handler SysTick_Handler
def_irq_handler DMA0_IRQHandler
def_irq_handler DMA1_IRQHandler
def_irq_handler DMA2_IRQHandler
def_irq_handler DMA3_IRQHandler
def_irq_handler DMA4_IRQHandler
def_irq_handler DMA5_IRQHandler
def_irq_handler DMA6_IRQHandler
def_irq_handler DMA7_IRQHandler
def_irq_handler DMA8_IRQHandler
def_irq_handler DMA9_IRQHandler
def_irq_handler DMA10_IRQHandler
def_irq_handler DMA11_IRQHandler
def_irq_handler DMA12_IRQHandler
def_irq_handler DMA13_IRQHandler
def_irq_handler DMA14_IRQHandler
def_irq_handler DMA15_IRQHandler
def_irq_handler DMA_Error_IRQHandler
def_irq_handler MCM_IRQHandler
def_irq_handler FTF_IRQHandler
def_irq_handler Read_Collision_IRQHandler
def_irq_handler LVD_LVW_IRQHandler
def_irq_handler LLW_IRQHandler
def_irq_handler WDOG_EWM_IRQHandler
def_irq_handler RNG_IRQHandler
def_irq_handler I2C0_IRQHandler
def_irq_handler I2C1_IRQHandler
def_irq_handler SPI0_IRQHandler
def_irq_handler SPI1_IRQHandler
def_irq_handler I2S0_Tx_IRQHandler
def_irq_handler I2S0_Rx_IRQHandler
def_irq_handler LPUART0_IRQHandler
def_irq_handler UART0_RX_TX_IRQHandler
def_irq_handler UART0_ERR_IRQHandler
def_irq_handler UART1_RX_TX_IRQHandler
def_irq_handler UART1_ERR_IRQHandler
def_irq_handler UART2_RX_TX_IRQHandler
def_irq_handler UART2_ERR_IRQHandler
def_irq_handler Reserved53_IRQHandler
def_irq_handler Reserved54_IRQHandler
def_irq_handler ADC0_IRQHandler
def_irq_handler CMP0_IRQHandler
def_irq_handler CMP1_IRQHandler
def_irq_handler FTM0_IRQHandler
def_irq_handler FTM1_IRQHandler
def_irq_handler FTM2_IRQHandler
def_irq_handler Reserved61_IRQHandler
def_irq_handler RTC_IRQHandler
def_irq_handler RTC_Seconds_IRQHandler
def_irq_handler PIT0_IRQHandler
def_irq_handler PIT1_IRQHandler
def_irq_handler PIT2_IRQHandler
def_irq_handler PIT3_IRQHandler
def_irq_handler PDB0_IRQHandler
def_irq_handler USB0_IRQHandler
def_irq_handler Reserved70_IRQHandler
def_irq_handler Reserved71_IRQHandler
def_irq_handler DAC0_IRQHandler
def_irq_handler MCG_IRQHandler
def_irq_handler LPTMR0_IRQHandler
def_irq_handler PORTA_IRQHandler
def_irq_handler PORTB_IRQHandler
def_irq_handler PORTC_IRQHandler
def_irq_handler PORTD_IRQHandler
def_irq_handler PORTE_IRQHandler
def_irq_handler SWI_IRQHandler
def_irq_handler Reserved81_IRQHandler
def_irq_handler Reserved82_IRQHandler
def_irq_handler Reserved83_IRQHandler
def_irq_handler Reserved84_IRQHandler
def_irq_handler Reserved85_IRQHandler
def_irq_handler Reserved86_IRQHandler
def_irq_handler FTM3_IRQHandler
def_irq_handler DAC1_IRQHandler
def_irq_handler ADC1_IRQHandler
def_irq_handler Reserved90_IRQHandler
def_irq_handler Reserved91_IRQHandler
def_irq_handler Reserved92_IRQHandler
def_irq_handler Reserved93_IRQHandler
def_irq_handler Reserved94_IRQHandler
def_irq_handler Reserved95_IRQHandler
def_irq_handler Reserved96_IRQHandler
def_irq_handler Reserved97_IRQHandler
def_irq_handler Reserved98_IRQHandler
def_irq_handler Reserved99_IRQHandler
def_irq_handler Reserved100_IRQHandler
def_irq_handler Reserved101_IRQHandler
.end
targets/MK22F51212/src/startup/iar/startup_MK22F51212.s
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targets/MK22F51212/src/startup/system_MK22F51212.c
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/*
* Copyright (c) 2014-2015, 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.
*/
#include <stdint.h>
#include "system_MK22F51212.h"
#include "fsl_device_registers.h"
#include "target_config.h"
#ifndef DISABLE_WDOG
#definf DISABLE_WDOG 1
#endif
/* ----------------------------------------------------------------------------
-- Core clock
---------------------------------------------------------------------------- */
uint32_t SystemCoreClock = kDefaultClock;
/* ----------------------------------------------------------------------------
-- SystemInit()
---------------------------------------------------------------------------- */
void SystemInit(void)
{
#if ((__FPU_PRESENT == 1) && (__FPU_USED == 1))
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10, CP11 Full Access */
#endif /* ((__FPU_PRESENT == 1) && (__FPU_USED == 1)) */
#if (DISABLE_WDOG)
WDOG->UNLOCK = WDOG_UNLOCK_WDOGUNLOCK(0xC520); /* Key 1 */
/* WDOG->UNLOCK: WDOGUNLOCK=0xD928 */
WDOG->UNLOCK = WDOG_UNLOCK_WDOGUNLOCK(0xD928); /* Key 2 */
/* WDOG->STCTRLH:
* ?=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
*/
WDOG->STCTRLH = WDOG_STCTRLH_BYTESEL(0x00) | WDOG_STCTRLH_WAITEN_MASK | WDOG_STCTRLH_STOPEN_MASK |
WDOG_STCTRLH_ALLOWUPDATE_MASK | WDOG_STCTRLH_CLKSRC_MASK | 0x0100U;
#endif /* (DISABLE_WDOG) */
}
////////////////////////////////////////////////////////////////////////////////
// EOF
////////////////////////////////////////////////////////////////////////////////
targets/MK22F51212/src/startup/system_MK22F51212.h
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/*
** ###################################################################
** Compilers: ARM Compiler
** Freescale C/C++ for Embedded ARM
** GNU C Compiler
** GNU C Compiler - CodeSourcery Sourcery G++
** IAR ANSI C/C++ Compiler for ARM
**
** Reference manual: K22P121M120SF7RM, Rev.0.61, Jan 10, 2014
** Version: rev. 2.4, 2014-02-10
**
** Abstract:
** Provides a system configuration function and a global variable that
** contains the system frequency. It configures the device and initializes
** the oscillator (PLL) that is part of the microcontroller device.
**
** Copyright: 2014 Freescale, 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.
**
** http: www.freescale.com
** mail: support@freescale.com
**
** Revisions:
** - rev. 1.0 (2013-07-23)
** Initial version.
** - rev. 1.1 (2013-09-17)
** RM rev. 0.4 update.
** - rev. 2.0 (2013-10-29)
** Register accessor macros added to the memory map.
** Symbols for Processor Expert memory map compatibility added to the memory map.
** Startup file for gcc has been updated according to CMSIS 3.2.
** System initialization updated.
** - rev. 2.1 (2013-10-30)
** Definition of BITBAND macros updated to support peripherals with 32-bit acces disabled.
** - rev. 2.2 (2013-12-20)
** Update according to reference manual rev. 0.6,
** - rev. 2.3 (2014-01-13)
** Update according to reference manual rev. 0.61,
** - rev. 2.4 (2014-02-10)
** The declaration of clock configurations has been moved to separate header file system_MK22F51212.h
**
** ###################################################################
*/
/*!
* @file MK22F51212
* @version 2.4
* @date 2014-02-10
* @brief Device specific configuration file for MK22F51212 (header file)
*
* Provides a system configuration function and a global variable that contains
* the system frequency. It configures the device and initializes the oscillator
* (PLL) that is part of the microcontroller device.
*/
#ifndef _SYSTEM_MK22F51212_H_
#define _SYSTEM_MK22F51212_H_ /**< Symbol preventing repeated inclusion */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#define DISABLE_WDOG 1
#ifndef CLOCK_SETUP
#define CLOCK_SETUP 0
#endif
/* Predefined clock setups
0 ... Default part configuration
Multipurpose Clock Generator (MCG) in FEI mode.
Reference clock source for MCG module: Slow internal reference clock
Core clock = 20.97152MHz
Bus clock = 20.97152MHz
1 ... Maximum achievable clock frequency configuration
Multipurpose Clock Generator (MCG) in PEE mode.
Reference clock source for MCG module: System oscillator 0 reference clock
Core clock = 120MHz
Bus clock = 60MHz
2 ... Chip internaly clocked, ready for Very Low Power Run mode.
Multipurpose Clock Generator (MCG) in BLPI mode.
Reference clock source for MCG module: Fast internal reference clock
Core clock = 4MHz
Bus clock = 4MHz
3 ... Chip externally clocked, ready for Very Low Power Run mode.
Multipurpose Clock Generator (MCG) in BLPE mode.
Reference clock source for MCG module: System oscillator 0 reference clock
Core clock = 4MHz
Bus clock = 4MHz
4 ... USB clock setup
Multipurpose Clock Generator (MCG) in PEE mode.
Reference clock source for MCG module: System oscillator 0 reference clock
Core clock = 120MHz
Bus clock = 60MHz
*/
/* Define clock source values */
#define CPU_XTAL_CLK_HZ 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */
#define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */
#define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */
#define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */
#define CPU_INT_IRC_CLK_HZ 48000000u /* Value of the 48M internal oscillator clock frequency in Hz */
#if (CLOCK_SETUP == 0)
#define DEFAULT_SYSTEM_CLOCK 20971520u /* Default System clock value */
#elif(CLOCK_SETUP == 1)
#define DEFAULT_SYSTEM_CLOCK 120000000u /* Default System clock value */
#elif(CLOCK_SETUP == 2)
#define DEFAULT_SYSTEM_CLOCK 4000000u /* Default System clock value */
#elif(CLOCK_SETUP == 3)
#define DEFAULT_SYSTEM_CLOCK 4000000u /* Default System clock value */
#elif(CLOCK_SETUP == 4)
#define DEFAULT_SYSTEM_CLOCK 120000000u /* Default System clock value */
#endif
/**
* @brief System clock frequency (core clock)
*
* The system clock frequency supplied to the SysTick timer and the processor
* core clock. This variable can be used by the user application to setup the
* SysTick timer or configure other parameters. It may also be used by debugger to
* query the frequency of the debug timer or configure the trace clock speed
* SystemCoreClock is initialized with a correct predefined value.
*/
extern uint32_t SystemCoreClock;
/**
* @brief Setup the microcontroller system.
*
* Typically this function configures the oscillator (PLL) that is part of the
* microcontroller device. For systems with variable clock speed it also updates
* the variable SystemCoreClock. SystemInit is called from startup_device file.
*/
void SystemInit(void);
/**
* @brief Updates the SystemCoreClock variable.
*
* It must be called whenever the core clock is changed during program
* execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates
* the current core clock.
*/
void SystemCoreClockUpdate(void);
#ifdef __cplusplus
}
#endif
#endif /* #if !defined(_SYSTEM_MK22F51212_H_) */