http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/gcc/startup_MK64F12.S
----------------------------------------------------------------------
diff --git 
a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/gcc/startup_MK64F12.S
 
b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/gcc/startup_MK64F12.S
new file mode 100644
index 0000000..0f4c360
--- /dev/null
+++ 
b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/gcc/startup_MK64F12.S
@@ -0,0 +1,993 @@
+/* 
---------------------------------------------------------------------------------------*/
+/*  @file:    startup_MK64F12.s                                                
           */
+/*  @purpose: CMSIS Cortex-M4 Core Device Startup File                         
           */
+/*            MK64F12                                                          
           */
+/*  @version: 2.9                                                              
           */
+/*  @date:    2016-3-21                                                        
           */
+/*  @build:   b160321                                                          
           */
+/* 
---------------------------------------------------------------------------------------*/
+/*                                                                             
           */
+/* Copyright (c) 1997 - 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.                
           */
+/*****************************************************************************/
+/* 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   FTFE_IRQHandler                                 /* FTFE Command 
complete interrupt*/
+    .long   Read_Collision_IRQHandler                       /* Read Collision 
Interrupt*/
+    .long   LVD_LVW_IRQHandler                              /* Low Voltage 
Detect, Low Voltage Warning*/
+    .long   LLWU_IRQHandler                                 /* Low Leakage 
Wakeup Unit*/
+    .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   UART0_LON_IRQHandler                            /* UART0 LON 
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   UART3_RX_TX_IRQHandler                          /* UART3 
Receive/Transmit interrupt*/
+    .long   UART3_ERR_IRQHandler                            /* UART3 Error 
interrupt*/
+    .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   CMT_IRQHandler                                  /* CMT interrupt*/
+    .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   USBDCD_IRQHandler                               /* USBDCD 
Interrupt*/
+    .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   SPI2_IRQHandler                                 /* SPI2 Interrupt*/
+    .long   UART4_RX_TX_IRQHandler                          /* UART4 
Receive/Transmit interrupt*/
+    .long   UART4_ERR_IRQHandler                            /* UART4 Error 
interrupt*/
+    .long   UART5_RX_TX_IRQHandler                          /* UART5 
Receive/Transmit interrupt*/
+    .long   UART5_ERR_IRQHandler                            /* UART5 Error 
interrupt*/
+    .long   CMP2_IRQHandler                                 /* CMP2 interrupt*/
+    .long   FTM3_IRQHandler                                 /* FTM3 fault, 
overflow and channels interrupt*/
+    .long   DAC1_IRQHandler                                 /* DAC1 interrupt*/
+    .long   ADC1_IRQHandler                                 /* ADC1 interrupt*/
+    .long   I2C2_IRQHandler                                 /* I2C2 interrupt*/
+    .long   CAN0_ORed_Message_buffer_IRQHandler             /* CAN0 OR'd 
message buffers interrupt*/
+    .long   CAN0_Bus_Off_IRQHandler                         /* CAN0 bus off 
interrupt*/
+    .long   CAN0_Error_IRQHandler                           /* CAN0 error 
interrupt*/
+    .long   CAN0_Tx_Warning_IRQHandler                      /* CAN0 Tx warning 
interrupt*/
+    .long   CAN0_Rx_Warning_IRQHandler                      /* CAN0 Rx warning 
interrupt*/
+    .long   CAN0_Wake_Up_IRQHandler                         /* CAN0 wake up 
interrupt*/
+    .long   SDHC_IRQHandler                                 /* SDHC interrupt*/
+    .long   ENET_1588_Timer_IRQHandler                      /* Ethernet MAC 
IEEE 1588 Timer Interrupt*/
+    .long   ENET_Transmit_IRQHandler                        /* Ethernet MAC 
Transmit Interrupt*/
+    .long   ENET_Receive_IRQHandler                         /* Ethernet MAC 
Receive Interrupt*/
+    .long   ENET_Error_IRQHandler                           /* Ethernet MAC 
Error and miscelaneous Interrupt*/
+    .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*/
+    .long   DefaultISR                                      /* 240*/
+    .long   DefaultISR                                      /* 241*/
+    .long   DefaultISR                                      /* 242*/
+    .long   DefaultISR                                      /* 243*/
+    .long   DefaultISR                                      /* 244*/
+    .long   DefaultISR                                      /* 245*/
+    .long   DefaultISR                                      /* 246*/
+    .long   DefaultISR                                      /* 247*/
+    .long   DefaultISR                                      /* 248*/
+    .long   DefaultISR                                      /* 249*/
+    .long   DefaultISR                                      /* 250*/
+    .long   DefaultISR                                      /* 251*/
+    .long   DefaultISR                                      /* 252*/
+    .long   DefaultISR                                      /* 253*/
+    .long   DefaultISR                                      /* 254*/
+    .long   0xFFFFFFFF                                      /*  Reserved for 
user TRIM value*/
+
+    .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 */
+    .equ    VTOR, 0xE000ED08
+    ldr     r0, =VTOR
+    ldr     r1, =__isr_vector
+    str     r1, [r0]
+#ifndef __NO_SYSTEM_INIT
+    ldr   r0,=SystemInit
+    blx   r0
+#endif
+/*     Loop to copy data from read only memory to RAM. The ranges
+ *      of copy from/to are specified by following symbols evaluated in
+ *      linker script.
+ *      __etext: End of code section, i.e., begin of data sections to copy 
from.
+ *      __data_start__/__data_end__: RAM address range that data should be
+ *      copied to. Both must be aligned to 4 bytes boundary.  */
+
+    ldr    r1, =__etext
+    ldr    r2, =__data_start__
+    ldr    r3, =__data_end__
+
+#if 1
+/* Here are two copies of loop implemenations. First one favors code size
+ * and the second one favors performance. Default uses the first one.
+ * Change to "#if 0" to use the second one */
+.LC0:
+    cmp     r2, r3
+    ittt    lt
+    ldrlt   r0, [r1], #4
+    strlt   r0, [r2], #4
+    blt    .LC0
+#else
+    subs    r3, r2
+    ble    .LC1
+.LC0:
+    subs    r3, #4
+    ldr    r0, [r1, r3]
+    str    r0, [r2, r3]
+    bgt    .LC0
+.LC1:
+#endif
+
+#ifdef __STARTUP_CLEAR_BSS
+/*     This part of work usually is done in C library startup code. Otherwise,
+ *     define this macro to enable it in this startup.
+ *
+ *     Loop to zero out BSS section, which uses following symbols
+ *     in linker script:
+ *      __bss_start__: start of BSS section. Must align to 4
+ *      __bss_end__: end of BSS section. Must align to 4
+ */
+    ldr r1, =__bss_start__
+    ldr r2, =__bss_end__
+
+    movs    r0, 0
+.LC2:
+    cmp     r1, r2
+    itt    lt
+    strlt   r0, [r1], #4
+    blt    .LC2
+#endif /* __STARTUP_CLEAR_BSS */
+
+    cpsie   i               /* Unmask interrupts */
+#ifndef __START
+#define __START _start
+#endif
+#ifndef __ATOLLIC__
+    ldr   r0,=__START
+    blx   r0
+#else
+    ldr   r0,=__libc_init_array
+    blx   r0
+    ldr   r0,=main
+    bx    r0
+#endif
+    .pool
+    .size Reset_Handler, . - Reset_Handler
+
+    .align  1
+    .thumb_func
+    .weak DefaultISR
+    .type DefaultISR, %function
+DefaultISR:
+    b DefaultISR
+    .size DefaultISR, . - DefaultISR
+
+    .align 1
+    .thumb_func
+    .weak NMI_Handler
+    .type NMI_Handler, %function
+NMI_Handler:
+    ldr   r0,=NMI_Handler
+    bx    r0
+    .size NMI_Handler, . - NMI_Handler
+
+    .align 1
+    .thumb_func
+    .weak HardFault_Handler
+    .type HardFault_Handler, %function
+HardFault_Handler:
+    ldr   r0,=HardFault_Handler
+    bx    r0
+    .size HardFault_Handler, . - HardFault_Handler
+
+    .align 1
+    .thumb_func
+    .weak SVC_Handler
+    .type SVC_Handler, %function
+SVC_Handler:
+    ldr   r0,=SVC_Handler
+    bx    r0
+    .size SVC_Handler, . - SVC_Handler
+
+    .align 1
+    .thumb_func
+    .weak PendSV_Handler
+    .type PendSV_Handler, %function
+PendSV_Handler:
+    ldr   r0,=PendSV_Handler
+    bx    r0
+    .size PendSV_Handler, . - PendSV_Handler
+
+    .align 1
+    .thumb_func
+    .weak SysTick_Handler
+    .type SysTick_Handler, %function
+SysTick_Handler:
+    ldr   r0,=SysTick_Handler
+    bx    r0
+    .size SysTick_Handler, . - SysTick_Handler
+
+    .align 1
+    .thumb_func
+    .weak DMA0_IRQHandler
+    .type DMA0_IRQHandler, %function
+DMA0_IRQHandler:
+    ldr   r0,=DMA0_DriverIRQHandler
+    bx    r0
+    .size DMA0_IRQHandler, . - DMA0_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA1_IRQHandler
+    .type DMA1_IRQHandler, %function
+DMA1_IRQHandler:
+    ldr   r0,=DMA1_DriverIRQHandler
+    bx    r0
+    .size DMA1_IRQHandler, . - DMA1_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA2_IRQHandler
+    .type DMA2_IRQHandler, %function
+DMA2_IRQHandler:
+    ldr   r0,=DMA2_DriverIRQHandler
+    bx    r0
+    .size DMA2_IRQHandler, . - DMA2_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA3_IRQHandler
+    .type DMA3_IRQHandler, %function
+DMA3_IRQHandler:
+    ldr   r0,=DMA3_DriverIRQHandler
+    bx    r0
+    .size DMA3_IRQHandler, . - DMA3_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA4_IRQHandler
+    .type DMA4_IRQHandler, %function
+DMA4_IRQHandler:
+    ldr   r0,=DMA4_DriverIRQHandler
+    bx    r0
+    .size DMA4_IRQHandler, . - DMA4_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA5_IRQHandler
+    .type DMA5_IRQHandler, %function
+DMA5_IRQHandler:
+    ldr   r0,=DMA5_DriverIRQHandler
+    bx    r0
+    .size DMA5_IRQHandler, . - DMA5_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA6_IRQHandler
+    .type DMA6_IRQHandler, %function
+DMA6_IRQHandler:
+    ldr   r0,=DMA6_DriverIRQHandler
+    bx    r0
+    .size DMA6_IRQHandler, . - DMA6_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA7_IRQHandler
+    .type DMA7_IRQHandler, %function
+DMA7_IRQHandler:
+    ldr   r0,=DMA7_DriverIRQHandler
+    bx    r0
+    .size DMA7_IRQHandler, . - DMA7_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA8_IRQHandler
+    .type DMA8_IRQHandler, %function
+DMA8_IRQHandler:
+    ldr   r0,=DMA8_DriverIRQHandler
+    bx    r0
+    .size DMA8_IRQHandler, . - DMA8_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA9_IRQHandler
+    .type DMA9_IRQHandler, %function
+DMA9_IRQHandler:
+    ldr   r0,=DMA9_DriverIRQHandler
+    bx    r0
+    .size DMA9_IRQHandler, . - DMA9_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA10_IRQHandler
+    .type DMA10_IRQHandler, %function
+DMA10_IRQHandler:
+    ldr   r0,=DMA10_DriverIRQHandler
+    bx    r0
+    .size DMA10_IRQHandler, . - DMA10_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA11_IRQHandler
+    .type DMA11_IRQHandler, %function
+DMA11_IRQHandler:
+    ldr   r0,=DMA11_DriverIRQHandler
+    bx    r0
+    .size DMA11_IRQHandler, . - DMA11_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA12_IRQHandler
+    .type DMA12_IRQHandler, %function
+DMA12_IRQHandler:
+    ldr   r0,=DMA12_DriverIRQHandler
+    bx    r0
+    .size DMA12_IRQHandler, . - DMA12_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA13_IRQHandler
+    .type DMA13_IRQHandler, %function
+DMA13_IRQHandler:
+    ldr   r0,=DMA13_DriverIRQHandler
+    bx    r0
+    .size DMA13_IRQHandler, . - DMA13_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA14_IRQHandler
+    .type DMA14_IRQHandler, %function
+DMA14_IRQHandler:
+    ldr   r0,=DMA14_DriverIRQHandler
+    bx    r0
+    .size DMA14_IRQHandler, . - DMA14_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA15_IRQHandler
+    .type DMA15_IRQHandler, %function
+DMA15_IRQHandler:
+    ldr   r0,=DMA15_DriverIRQHandler
+    bx    r0
+    .size DMA15_IRQHandler, . - DMA15_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak DMA_Error_IRQHandler
+    .type DMA_Error_IRQHandler, %function
+DMA_Error_IRQHandler:
+    ldr   r0,=DMA_Error_DriverIRQHandler
+    bx    r0
+    .size DMA_Error_IRQHandler, . - DMA_Error_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak I2C0_IRQHandler
+    .type I2C0_IRQHandler, %function
+I2C0_IRQHandler:
+    ldr   r0,=I2C0_DriverIRQHandler
+    bx    r0
+    .size I2C0_IRQHandler, . - I2C0_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak I2C1_IRQHandler
+    .type I2C1_IRQHandler, %function
+I2C1_IRQHandler:
+    ldr   r0,=I2C1_DriverIRQHandler
+    bx    r0
+    .size I2C1_IRQHandler, . - I2C1_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak SPI0_IRQHandler
+    .type SPI0_IRQHandler, %function
+SPI0_IRQHandler:
+    ldr   r0,=SPI0_DriverIRQHandler
+    bx    r0
+    .size SPI0_IRQHandler, . - SPI0_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak SPI1_IRQHandler
+    .type SPI1_IRQHandler, %function
+SPI1_IRQHandler:
+    ldr   r0,=SPI1_DriverIRQHandler
+    bx    r0
+    .size SPI1_IRQHandler, . - SPI1_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak I2S0_Tx_IRQHandler
+    .type I2S0_Tx_IRQHandler, %function
+I2S0_Tx_IRQHandler:
+    ldr   r0,=I2S0_Tx_DriverIRQHandler
+    bx    r0
+    .size I2S0_Tx_IRQHandler, . - I2S0_Tx_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak I2S0_Rx_IRQHandler
+    .type I2S0_Rx_IRQHandler, %function
+I2S0_Rx_IRQHandler:
+    ldr   r0,=I2S0_Rx_DriverIRQHandler
+    bx    r0
+    .size I2S0_Rx_IRQHandler, . - I2S0_Rx_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART0_LON_IRQHandler
+    .type UART0_LON_IRQHandler, %function
+UART0_LON_IRQHandler:
+    ldr   r0,=UART0_LON_DriverIRQHandler
+    bx    r0
+    .size UART0_LON_IRQHandler, . - UART0_LON_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART0_RX_TX_IRQHandler
+    .type UART0_RX_TX_IRQHandler, %function
+UART0_RX_TX_IRQHandler:
+    ldr   r0,=UART0_RX_TX_DriverIRQHandler
+    bx    r0
+    .size UART0_RX_TX_IRQHandler, . - UART0_RX_TX_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART0_ERR_IRQHandler
+    .type UART0_ERR_IRQHandler, %function
+UART0_ERR_IRQHandler:
+    ldr   r0,=UART0_ERR_DriverIRQHandler
+    bx    r0
+    .size UART0_ERR_IRQHandler, . - UART0_ERR_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART1_RX_TX_IRQHandler
+    .type UART1_RX_TX_IRQHandler, %function
+UART1_RX_TX_IRQHandler:
+    ldr   r0,=UART1_RX_TX_DriverIRQHandler
+    bx    r0
+    .size UART1_RX_TX_IRQHandler, . - UART1_RX_TX_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART1_ERR_IRQHandler
+    .type UART1_ERR_IRQHandler, %function
+UART1_ERR_IRQHandler:
+    ldr   r0,=UART1_ERR_DriverIRQHandler
+    bx    r0
+    .size UART1_ERR_IRQHandler, . - UART1_ERR_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART2_RX_TX_IRQHandler
+    .type UART2_RX_TX_IRQHandler, %function
+UART2_RX_TX_IRQHandler:
+    ldr   r0,=UART2_RX_TX_DriverIRQHandler
+    bx    r0
+    .size UART2_RX_TX_IRQHandler, . - UART2_RX_TX_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART2_ERR_IRQHandler
+    .type UART2_ERR_IRQHandler, %function
+UART2_ERR_IRQHandler:
+    ldr   r0,=UART2_ERR_DriverIRQHandler
+    bx    r0
+    .size UART2_ERR_IRQHandler, . - UART2_ERR_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART3_RX_TX_IRQHandler
+    .type UART3_RX_TX_IRQHandler, %function
+UART3_RX_TX_IRQHandler:
+    ldr   r0,=UART3_RX_TX_DriverIRQHandler
+    bx    r0
+    .size UART3_RX_TX_IRQHandler, . - UART3_RX_TX_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART3_ERR_IRQHandler
+    .type UART3_ERR_IRQHandler, %function
+UART3_ERR_IRQHandler:
+    ldr   r0,=UART3_ERR_DriverIRQHandler
+    bx    r0
+    .size UART3_ERR_IRQHandler, . - UART3_ERR_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak SPI2_IRQHandler
+    .type SPI2_IRQHandler, %function
+SPI2_IRQHandler:
+    ldr   r0,=SPI2_DriverIRQHandler
+    bx    r0
+    .size SPI2_IRQHandler, . - SPI2_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART4_RX_TX_IRQHandler
+    .type UART4_RX_TX_IRQHandler, %function
+UART4_RX_TX_IRQHandler:
+    ldr   r0,=UART4_RX_TX_DriverIRQHandler
+    bx    r0
+    .size UART4_RX_TX_IRQHandler, . - UART4_RX_TX_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART4_ERR_IRQHandler
+    .type UART4_ERR_IRQHandler, %function
+UART4_ERR_IRQHandler:
+    ldr   r0,=UART4_ERR_DriverIRQHandler
+    bx    r0
+    .size UART4_ERR_IRQHandler, . - UART4_ERR_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART5_RX_TX_IRQHandler
+    .type UART5_RX_TX_IRQHandler, %function
+UART5_RX_TX_IRQHandler:
+    ldr   r0,=UART5_RX_TX_DriverIRQHandler
+    bx    r0
+    .size UART5_RX_TX_IRQHandler, . - UART5_RX_TX_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak UART5_ERR_IRQHandler
+    .type UART5_ERR_IRQHandler, %function
+UART5_ERR_IRQHandler:
+    ldr   r0,=UART5_ERR_DriverIRQHandler
+    bx    r0
+    .size UART5_ERR_IRQHandler, . - UART5_ERR_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak I2C2_IRQHandler
+    .type I2C2_IRQHandler, %function
+I2C2_IRQHandler:
+    ldr   r0,=I2C2_DriverIRQHandler
+    bx    r0
+    .size I2C2_IRQHandler, . - I2C2_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak CAN0_ORed_Message_buffer_IRQHandler
+    .type CAN0_ORed_Message_buffer_IRQHandler, %function
+CAN0_ORed_Message_buffer_IRQHandler:
+    ldr   r0,=CAN0_DriverIRQHandler
+    bx    r0
+    .size CAN0_ORed_Message_buffer_IRQHandler, . - 
CAN0_ORed_Message_buffer_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak CAN0_Bus_Off_IRQHandler
+    .type CAN0_Bus_Off_IRQHandler, %function
+CAN0_Bus_Off_IRQHandler:
+    ldr   r0,=CAN0_DriverIRQHandler
+    bx    r0
+    .size CAN0_Bus_Off_IRQHandler, . - CAN0_Bus_Off_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak CAN0_Error_IRQHandler
+    .type CAN0_Error_IRQHandler, %function
+CAN0_Error_IRQHandler:
+    ldr   r0,=CAN0_DriverIRQHandler
+    bx    r0
+    .size CAN0_Error_IRQHandler, . - CAN0_Error_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak CAN0_Tx_Warning_IRQHandler
+    .type CAN0_Tx_Warning_IRQHandler, %function
+CAN0_Tx_Warning_IRQHandler:
+    ldr   r0,=CAN0_DriverIRQHandler
+    bx    r0
+    .size CAN0_Tx_Warning_IRQHandler, . - CAN0_Tx_Warning_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak CAN0_Rx_Warning_IRQHandler
+    .type CAN0_Rx_Warning_IRQHandler, %function
+CAN0_Rx_Warning_IRQHandler:
+    ldr   r0,=CAN0_DriverIRQHandler
+    bx    r0
+    .size CAN0_Rx_Warning_IRQHandler, . - CAN0_Rx_Warning_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak CAN0_Wake_Up_IRQHandler
+    .type CAN0_Wake_Up_IRQHandler, %function
+CAN0_Wake_Up_IRQHandler:
+    ldr   r0,=CAN0_DriverIRQHandler
+    bx    r0
+    .size CAN0_Wake_Up_IRQHandler, . - CAN0_Wake_Up_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak SDHC_IRQHandler
+    .type SDHC_IRQHandler, %function
+SDHC_IRQHandler:
+    ldr   r0,=SDHC_DriverIRQHandler
+    bx    r0
+    .size SDHC_IRQHandler, . - SDHC_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak ENET_1588_Timer_IRQHandler
+    .type ENET_1588_Timer_IRQHandler, %function
+ENET_1588_Timer_IRQHandler:
+    ldr   r0,=ENET_1588_Timer_DriverIRQHandler
+    bx    r0
+    .size ENET_1588_Timer_IRQHandler, . - ENET_1588_Timer_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak ENET_Transmit_IRQHandler
+    .type ENET_Transmit_IRQHandler, %function
+ENET_Transmit_IRQHandler:
+    ldr   r0,=ENET_Transmit_DriverIRQHandler
+    bx    r0
+    .size ENET_Transmit_IRQHandler, . - ENET_Transmit_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak ENET_Receive_IRQHandler
+    .type ENET_Receive_IRQHandler, %function
+ENET_Receive_IRQHandler:
+    ldr   r0,=ENET_Receive_DriverIRQHandler
+    bx    r0
+    .size ENET_Receive_IRQHandler, . - ENET_Receive_IRQHandler
+
+    .align 1
+    .thumb_func
+    .weak ENET_Error_IRQHandler
+    .type ENET_Error_IRQHandler, %function
+ENET_Error_IRQHandler:
+    ldr   r0,=ENET_Error_DriverIRQHandler
+    bx    r0
+    .size ENET_Error_IRQHandler, . - ENET_Error_IRQHandler
+
+
+/*    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    MemManage_Handler
+    def_irq_handler    BusFault_Handler
+    def_irq_handler    UsageFault_Handler
+    def_irq_handler    DebugMon_Handler
+    def_irq_handler    DMA0_DriverIRQHandler
+    def_irq_handler    DMA1_DriverIRQHandler
+    def_irq_handler    DMA2_DriverIRQHandler
+    def_irq_handler    DMA3_DriverIRQHandler
+    def_irq_handler    DMA4_DriverIRQHandler
+    def_irq_handler    DMA5_DriverIRQHandler
+    def_irq_handler    DMA6_DriverIRQHandler
+    def_irq_handler    DMA7_DriverIRQHandler
+    def_irq_handler    DMA8_DriverIRQHandler
+    def_irq_handler    DMA9_DriverIRQHandler
+    def_irq_handler    DMA10_DriverIRQHandler
+    def_irq_handler    DMA11_DriverIRQHandler
+    def_irq_handler    DMA12_DriverIRQHandler
+    def_irq_handler    DMA13_DriverIRQHandler
+    def_irq_handler    DMA14_DriverIRQHandler
+    def_irq_handler    DMA15_DriverIRQHandler
+    def_irq_handler    DMA_Error_DriverIRQHandler
+    def_irq_handler    MCM_IRQHandler
+    def_irq_handler    FTFE_IRQHandler
+    def_irq_handler    Read_Collision_IRQHandler
+    def_irq_handler    LVD_LVW_IRQHandler
+    def_irq_handler    LLWU_IRQHandler
+    def_irq_handler    WDOG_EWM_IRQHandler
+    def_irq_handler    RNG_IRQHandler
+    def_irq_handler    I2C0_DriverIRQHandler
+    def_irq_handler    I2C1_DriverIRQHandler
+    def_irq_handler    SPI0_DriverIRQHandler
+    def_irq_handler    SPI1_DriverIRQHandler
+    def_irq_handler    I2S0_Tx_DriverIRQHandler
+    def_irq_handler    I2S0_Rx_DriverIRQHandler
+    def_irq_handler    UART0_LON_DriverIRQHandler
+    def_irq_handler    UART0_RX_TX_DriverIRQHandler
+    def_irq_handler    UART0_ERR_DriverIRQHandler
+    def_irq_handler    UART1_RX_TX_DriverIRQHandler
+    def_irq_handler    UART1_ERR_DriverIRQHandler
+    def_irq_handler    UART2_RX_TX_DriverIRQHandler
+    def_irq_handler    UART2_ERR_DriverIRQHandler
+    def_irq_handler    UART3_RX_TX_DriverIRQHandler
+    def_irq_handler    UART3_ERR_DriverIRQHandler
+    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    CMT_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    USBDCD_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    SPI2_DriverIRQHandler
+    def_irq_handler    UART4_RX_TX_DriverIRQHandler
+    def_irq_handler    UART4_ERR_DriverIRQHandler
+    def_irq_handler    UART5_RX_TX_DriverIRQHandler
+    def_irq_handler    UART5_ERR_DriverIRQHandler
+    def_irq_handler    CMP2_IRQHandler
+    def_irq_handler    FTM3_IRQHandler
+    def_irq_handler    DAC1_IRQHandler
+    def_irq_handler    ADC1_IRQHandler
+    def_irq_handler    I2C2_DriverIRQHandler
+    def_irq_handler    CAN0_DriverIRQHandler
+    def_irq_handler    SDHC_DriverIRQHandler
+    def_irq_handler    ENET_1588_Timer_DriverIRQHandler
+    def_irq_handler    ENET_Transmit_DriverIRQHandler
+    def_irq_handler    ENET_Receive_DriverIRQHandler
+    def_irq_handler    ENET_Error_DriverIRQHandler
+
+    .end

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.c
----------------------------------------------------------------------
diff --git 
a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.c 
b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.c
new file mode 100644
index 0000000..d8ea7ab
--- /dev/null
+++ 
b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.c
@@ -0,0 +1,251 @@
+/*
+** ###################################################################
+**     Processors:          MK64FN1M0CAJ12
+**                          MK64FN1M0VDC12
+**                          MK64FN1M0VLL12
+**                          MK64FN1M0VLQ12
+**                          MK64FN1M0VMD12
+**                          MK64FX512VDC12
+**                          MK64FX512VLL12
+**                          MK64FX512VLQ12
+**                          MK64FX512VMD12
+**
+**     Compilers:           Keil ARM C/C++ Compiler
+**                          Freescale C/C++ for Embedded ARM
+**                          GNU C Compiler
+**                          IAR ANSI C/C++ Compiler for ARM
+**
+**     Reference manual:    K64P144M120SF5RM, Rev.2, January 2014
+**     Version:             rev. 2.9, 2016-03-21
+**     Build:               b160321
+**
+**     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 (c) 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.
+**
+**     http:                 www.freescale.com
+**     mail:                 supp...@freescale.com
+**
+**     Revisions:
+**     - rev. 1.0 (2013-08-12)
+**         Initial version.
+**     - 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.
+**         MCG - registers updated.
+**         PORTA, PORTB, PORTC, PORTE - registers for digital filter removed.
+**     - rev. 2.1 (2013-10-30)
+**         Definition of BITBAND macros updated to support peripherals with 
32-bit acces disabled.
+**     - rev. 2.2 (2013-12-09)
+**         DMA - EARS register removed.
+**         AIPS0, AIPS1 - MPRA register updated.
+**     - rev. 2.3 (2014-01-24)
+**         Update according to reference manual rev. 2
+**         ENET, MCG, MCM, SIM, USB - registers updated
+**     - rev. 2.4 (2014-02-10)
+**         The declaration of clock configurations has been moved to separate 
header file system_MK64F12.h
+**         Update of SystemInit() and SystemCoreClockUpdate() functions.
+**     - rev. 2.5 (2014-02-10)
+**         The declaration of clock configurations has been moved to separate 
header file system_MK64F12.h
+**         Update of SystemInit() and SystemCoreClockUpdate() functions.
+**         Module access macro module_BASES replaced by module_BASE_PTRS.
+**     - rev. 2.6 (2014-08-28)
+**         Update of system files - default clock configuration changed.
+**         Update of startup files - possibility to override DefaultISR added.
+**     - rev. 2.7 (2014-10-14)
+**         Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog 
renamed to INT_WDOG_EWM.
+**     - rev. 2.8 (2015-02-19)
+**         Renamed interrupt vector LLW to LLWU.
+**     - rev. 2.9 (2016-03-21)
+**         Added MK64FN1M0CAJ12 part.
+**         GPIO - renamed port instances: PTx -> GPIOx.
+**
+** ###################################################################
+*/
+
+/*!
+ * @file MK64F12
+ * @version 2.9
+ * @date 2016-03-21
+ * @brief Device specific configuration file for MK64F12 (implementation 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.
+ */
+
+#include <stdint.h>
+#include "fsl_device_registers.h"
+
+
+
+/* ----------------------------------------------------------------------------
+   -- Core clock
+   
---------------------------------------------------------------------------- */
+
+uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK;
+
+/* ----------------------------------------------------------------------------
+   -- 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: WDOGUNLOCK=0xC520 */
+  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) */
+
+}
+
+/* ----------------------------------------------------------------------------
+   -- SystemCoreClockUpdate()
+   
---------------------------------------------------------------------------- */
+
+void SystemCoreClockUpdate (void) {
+  uint32_t MCGOUTClock;                /* Variable to store output clock 
frequency of the MCG module */
+  uint16_t Divider;
+
+  if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x00U) {
+    /* Output of FLL or PLL is selected */
+    if ((MCG->C6 & MCG_C6_PLLS_MASK) == 0x00U) {
+      /* FLL is selected */
+      if ((MCG->C1 & MCG_C1_IREFS_MASK) == 0x00U) {
+        /* External reference clock is selected */
+        switch (MCG->C7 & MCG_C7_OSCSEL_MASK) {
+        case 0x00U:
+          MCGOUTClock = CPU_XTAL_CLK_HZ; /* System oscillator drives MCG clock 
*/
+          break;
+        case 0x01U:
+          MCGOUTClock = CPU_XTAL32k_CLK_HZ; /* RTC 32 kHz oscillator drives 
MCG clock */
+          break;
+        case 0x02U:
+        default:
+          MCGOUTClock = CPU_INT_IRC_CLK_HZ; /* IRC 48MHz oscillator drives MCG 
clock */
+          break;
+        }
+        if (((MCG->C2 & MCG_C2_RANGE_MASK) != 0x00U) && ((MCG->C7 & 
MCG_C7_OSCSEL_MASK) != 0x01U)) {
+          switch (MCG->C1 & MCG_C1_FRDIV_MASK) {
+          case 0x38U:
+            Divider = 1536U;
+            break;
+          case 0x30U:
+            Divider = 1280U;
+            break;
+          default:
+            Divider = (uint16_t)(32LU << ((MCG->C1 & MCG_C1_FRDIV_MASK) >> 
MCG_C1_FRDIV_SHIFT));
+            break;
+          }
+        } else {/* ((MCG->C2 & MCG_C2_RANGE_MASK) != 0x00U) */
+          Divider = (uint16_t)(1LU << ((MCG->C1 & MCG_C1_FRDIV_MASK) >> 
MCG_C1_FRDIV_SHIFT));
+        }
+        MCGOUTClock = (MCGOUTClock / Divider); /* Calculate the divided FLL 
reference clock */
+      } else { /* (!((MCG->C1 & MCG_C1_IREFS_MASK) == 0x00U)) */
+        MCGOUTClock = CPU_INT_SLOW_CLK_HZ; /* The slow internal reference 
clock is selected */
+      } /* (!((MCG->C1 & MCG_C1_IREFS_MASK) == 0x00U)) */
+      /* Select correct multiplier to calculate the MCG output clock  */
+      switch (MCG->C4 & (MCG_C4_DMX32_MASK | MCG_C4_DRST_DRS_MASK)) {
+        case 0x00U:
+          MCGOUTClock *= 640U;
+          break;
+        case 0x20U:
+          MCGOUTClock *= 1280U;
+          break;
+        case 0x40U:
+          MCGOUTClock *= 1920U;
+          break;
+        case 0x60U:
+          MCGOUTClock *= 2560U;
+          break;
+        case 0x80U:
+          MCGOUTClock *= 732U;
+          break;
+        case 0xA0U:
+          MCGOUTClock *= 1464U;
+          break;
+        case 0xC0U:
+          MCGOUTClock *= 2197U;
+          break;
+        case 0xE0U:
+          MCGOUTClock *= 2929U;
+          break;
+        default:
+          break;
+      }
+    } else { /* (!((MCG->C6 & MCG_C6_PLLS_MASK) == 0x00U)) */
+      /* PLL is selected */
+      Divider = (((uint16_t)MCG->C5 & MCG_C5_PRDIV0_MASK) + 0x01U);
+      MCGOUTClock = (uint32_t)(CPU_XTAL_CLK_HZ / Divider); /* Calculate the 
PLL reference clock */
+      Divider = (((uint16_t)MCG->C6 & MCG_C6_VDIV0_MASK) + 24U);
+      MCGOUTClock *= Divider;          /* Calculate the MCG output clock */
+    } /* (!((MCG->C6 & MCG_C6_PLLS_MASK) == 0x00U)) */
+  } else if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x40U) {
+    /* Internal reference clock is selected */
+    if ((MCG->C2 & MCG_C2_IRCS_MASK) == 0x00U) {
+      MCGOUTClock = CPU_INT_SLOW_CLK_HZ; /* Slow internal reference clock 
selected */
+    } else { /* (!((MCG->C2 & MCG_C2_IRCS_MASK) == 0x00U)) */
+      Divider = (uint16_t)(0x01LU << ((MCG->SC & MCG_SC_FCRDIV_MASK) >> 
MCG_SC_FCRDIV_SHIFT));
+      MCGOUTClock = (uint32_t) (CPU_INT_FAST_CLK_HZ / Divider); /* Fast 
internal reference clock selected */
+    } /* (!((MCG->C2 & MCG_C2_IRCS_MASK) == 0x00U)) */
+  } else if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80U) {
+    /* External reference clock is selected */
+    switch (MCG->C7 & MCG_C7_OSCSEL_MASK) {
+    case 0x00U:
+      MCGOUTClock = CPU_XTAL_CLK_HZ;   /* System oscillator drives MCG clock */
+      break;
+    case 0x01U:
+      MCGOUTClock = CPU_XTAL32k_CLK_HZ; /* RTC 32 kHz oscillator drives MCG 
clock */
+      break;
+    case 0x02U:
+    default:
+      MCGOUTClock = CPU_INT_IRC_CLK_HZ; /* IRC 48MHz oscillator drives MCG 
clock */
+      break;
+    }
+  } else { /* (!((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80U)) */
+    /* Reserved value */
+    return;
+  } /* (!((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80U)) */
+  SystemCoreClock = (MCGOUTClock / (0x01U + ((SIM->CLKDIV1 & 
SIM_CLKDIV1_OUTDIV1_MASK) >> SIM_CLKDIV1_OUTDIV1_SHIFT)));
+}

http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/f8f2ebbf/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.h
----------------------------------------------------------------------
diff --git 
a/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.h 
b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.h
new file mode 100644
index 0000000..d44e35c
--- /dev/null
+++ 
b/hw/mcu/nxp/src/ext/sdk-2.0-frdm-k64f_b160321/devices/MK64F12/system_MK64F12.h
@@ -0,0 +1,174 @@
+/*
+** ###################################################################
+**     Processors:          MK64FN1M0CAJ12
+**                          MK64FN1M0VDC12
+**                          MK64FN1M0VLL12
+**                          MK64FN1M0VLQ12
+**                          MK64FN1M0VMD12
+**                          MK64FX512VDC12
+**                          MK64FX512VLL12
+**                          MK64FX512VLQ12
+**                          MK64FX512VMD12
+**
+**     Compilers:           Keil ARM C/C++ Compiler
+**                          Freescale C/C++ for Embedded ARM
+**                          GNU C Compiler
+**                          IAR ANSI C/C++ Compiler for ARM
+**
+**     Reference manual:    K64P144M120SF5RM, Rev.2, January 2014
+**     Version:             rev. 2.9, 2016-03-21
+**     Build:               b160321
+**
+**     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 (c) 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.
+**
+**     http:                 www.freescale.com
+**     mail:                 supp...@freescale.com
+**
+**     Revisions:
+**     - rev. 1.0 (2013-08-12)
+**         Initial version.
+**     - 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.
+**         MCG - registers updated.
+**         PORTA, PORTB, PORTC, PORTE - registers for digital filter removed.
+**     - rev. 2.1 (2013-10-30)
+**         Definition of BITBAND macros updated to support peripherals with 
32-bit acces disabled.
+**     - rev. 2.2 (2013-12-09)
+**         DMA - EARS register removed.
+**         AIPS0, AIPS1 - MPRA register updated.
+**     - rev. 2.3 (2014-01-24)
+**         Update according to reference manual rev. 2
+**         ENET, MCG, MCM, SIM, USB - registers updated
+**     - rev. 2.4 (2014-02-10)
+**         The declaration of clock configurations has been moved to separate 
header file system_MK64F12.h
+**         Update of SystemInit() and SystemCoreClockUpdate() functions.
+**     - rev. 2.5 (2014-02-10)
+**         The declaration of clock configurations has been moved to separate 
header file system_MK64F12.h
+**         Update of SystemInit() and SystemCoreClockUpdate() functions.
+**         Module access macro module_BASES replaced by module_BASE_PTRS.
+**     - rev. 2.6 (2014-08-28)
+**         Update of system files - default clock configuration changed.
+**         Update of startup files - possibility to override DefaultISR added.
+**     - rev. 2.7 (2014-10-14)
+**         Interrupt INT_LPTimer renamed to INT_LPTMR0, interrupt INT_Watchdog 
renamed to INT_WDOG_EWM.
+**     - rev. 2.8 (2015-02-19)
+**         Renamed interrupt vector LLW to LLWU.
+**     - rev. 2.9 (2016-03-21)
+**         Added MK64FN1M0CAJ12 part.
+**         GPIO - renamed port instances: PTx -> GPIOx.
+**
+** ###################################################################
+*/
+
+/*!
+ * @file MK64F12
+ * @version 2.9
+ * @date 2016-03-21
+ * @brief Device specific configuration file for MK64F12 (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_MK64F12_H_
+#define _SYSTEM_MK64F12_H_                       /**< Symbol preventing 
repeated inclusion */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+
+#ifndef DISABLE_WDOG
+  #define DISABLE_WDOG                 1
+#endif
+
+/* Define clock source values */
+
+#define CPU_XTAL_CLK_HZ                50000000u           /* 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  */
+
+/* RTC oscillator setting */
+/* RTC_CR: 
SC2P=0,SC4P=0,SC8P=0,SC16P=0,CLKO=1,OSCE=1,WPS=0,UM=0,SUP=0,WPE=0,SWR=0 */
+#define SYSTEM_RTC_CR_VALUE            0x0300U             /* RTC_CR */
+
+/* Low power mode enable */
+/* SMC_PMPROT: AVLP=1,ALLS=1,AVLLS=1 */
+#define SYSTEM_SMC_PMPROT_VALUE        0x2AU               /* SMC_PMPROT */
+
+#define DEFAULT_SYSTEM_CLOCK           20971520u           /* Default System 
clock value */
+
+
+/**
+ * @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  /* _SYSTEM_MK64F12_H_ */

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