1 files changed, 520 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/LPC51U68/mcuxpresso/startup_lpc51u68.cpp b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC51U68/mcuxpresso/startup_lpc51u68.cpp
new file mode 100644
index 000000000..35b26b62a
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC51U68/mcuxpresso/startup_lpc51u68.cpp
@@ -0,0 +1,520 @@
+//*****************************************************************************
+// LPC51U68 startup code for use with MCUXpresso IDE
+//
+// Version : 160420
+//*****************************************************************************
+//
+// Copyright 2016-2020 NXP
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+//*****************************************************************************
+
+#if defined (DEBUG)
+#pragma GCC push_options
+#pragma GCC optimize ("Og")
+#endif // (DEBUG)
+
+#if defined (__cplusplus)
+#ifdef __REDLIB__
+#error Redlib does not support C++
+#else
+//*****************************************************************************
+//
+// The entry point for the C++ library startup
+//
+//*****************************************************************************
+extern "C" {
+    extern void __libc_init_array(void);
+}
+#endif
+#endif
+
+#define WEAK __attribute__ ((weak))
+#define WEAK_AV __attribute__ ((weak, section(".after_vectors")))
+#define ALIAS(f) __attribute__ ((weak, alias (#f)))
+
+//*****************************************************************************
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+//*****************************************************************************
+// Variable to store CRP value in. Will be placed automatically
+// by the linker when "Enable Code Read Protect" selected.
+// See crp.h header for more information
+//*****************************************************************************
+#include <NXP/crp.h>
+__CRP const unsigned int CRP_WORD = CRP_NO_CRP ;
+
+//*****************************************************************************
+// Declaration of external SystemInit function
+//*****************************************************************************
+#if defined (__USE_CMSIS)
+extern void SystemInit(void);
+#endif // (__USE_CMSIS)
+
+//*****************************************************************************
+// Forward declaration of the core exception handlers.
+// When the application defines a handler (with the same name), this will
+// automatically take precedence over these weak definitions.
+// If your application is a C++ one, then any interrupt handlers defined
+// in C++ files within in your main application will need to have C linkage
+// rather than C++ linkage. To do this, make sure that you are using extern "C"
+// { .... } around the interrupt handler within your main application code.
+//*****************************************************************************
+     void ResetISR(void);
+WEAK void NMI_Handler(void);
+WEAK void HardFault_Handler(void);
+WEAK void SVC_Handler(void);
+WEAK void PendSV_Handler(void);
+WEAK void SysTick_Handler(void);
+WEAK void IntDefaultHandler(void);
+
+//*****************************************************************************
+// Forward declaration of the application IRQ handlers. When the application
+// defines a handler (with the same name), this will automatically take
+// precedence over weak definitions below
+//*****************************************************************************
+WEAK void WDT_BOD_IRQHandler(void);
+WEAK void DMA0_IRQHandler(void);
+WEAK void GINT0_IRQHandler(void);
+WEAK void GINT1_IRQHandler(void);
+WEAK void PIN_INT0_IRQHandler(void);
+WEAK void PIN_INT1_IRQHandler(void);
+WEAK void PIN_INT2_IRQHandler(void);
+WEAK void PIN_INT3_IRQHandler(void);
+WEAK void UTICK0_IRQHandler(void);
+WEAK void MRT0_IRQHandler(void);
+WEAK void CTIMER0_IRQHandler(void);
+WEAK void CTIMER1_IRQHandler(void);
+WEAK void SCT0_IRQHandler(void);
+WEAK void CTIMER3_IRQHandler(void);
+WEAK void FLEXCOMM0_IRQHandler(void);
+WEAK void FLEXCOMM1_IRQHandler(void);
+WEAK void FLEXCOMM2_IRQHandler(void);
+WEAK void FLEXCOMM3_IRQHandler(void);
+WEAK void FLEXCOMM4_IRQHandler(void);
+WEAK void FLEXCOMM5_IRQHandler(void);
+WEAK void FLEXCOMM6_IRQHandler(void);
+WEAK void FLEXCOMM7_IRQHandler(void);
+WEAK void ADC0_SEQA_IRQHandler(void);
+WEAK void ADC0_SEQB_IRQHandler(void);
+WEAK void ADC0_THCMP_IRQHandler(void);
+WEAK void Reserved41_IRQHandler(void);
+WEAK void Reserved42_IRQHandler(void);
+WEAK void USB0_NEEDCLK_IRQHandler(void);
+WEAK void USB0_IRQHandler(void);
+WEAK void RTC_IRQHandler(void);
+
+//*****************************************************************************
+// Forward declaration of the driver IRQ handlers. These are aliased
+// to the IntDefaultHandler, which is a 'forever' loop. When the driver
+// defines a handler (with the same name), this will automatically take
+// precedence over these weak definitions
+//*****************************************************************************
+void WDT_BOD_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void DMA0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void GINT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void GINT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void PIN_INT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void PIN_INT1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void PIN_INT2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void PIN_INT3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void UTICK0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void MRT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void CTIMER0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void CTIMER1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void SCT0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void CTIMER3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM1_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM2_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM3_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM4_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM5_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM6_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void FLEXCOMM7_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void ADC0_SEQA_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void ADC0_SEQB_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void ADC0_THCMP_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void Reserved41_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void Reserved42_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void USB0_NEEDCLK_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void USB0_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+void RTC_DriverIRQHandler(void) ALIAS(IntDefaultHandler);
+
+//*****************************************************************************
+// The entry point for the application.
+// __main() is the entry point for Redlib based applications
+// main() is the entry point for Newlib based applications
+//*****************************************************************************
+#if defined (__REDLIB__)
+extern void __main(void);
+#endif
+extern int main(void);
+
+//*****************************************************************************
+// External declaration for the pointer to the stack top from the Linker Script
+//*****************************************************************************
+extern void _vStackTop(void);
+//*****************************************************************************
+// External declaration for LPC MCU vector table checksum from  Linker Script
+//*****************************************************************************
+WEAK extern void __valid_user_code_checksum();
+
+//*****************************************************************************
+//*****************************************************************************
+#if defined (__cplusplus)
+} // extern "C"
+#endif
+//*****************************************************************************
+// The vector table.
+// This relies on the linker script to place at correct location in memory.
+//*****************************************************************************
+
+
+
+extern void (* const g_pfnVectors[])(void);
+extern void * __Vectors __attribute__ ((alias ("g_pfnVectors")));
+
+__attribute__ ((used, section(".isr_vector")))
+void (* const g_pfnVectors[])(void) = {
+    // Core Level - CM0P
+    &_vStackTop,                       // The initial stack pointer
+    ResetISR,                          // The reset handler
+    NMI_Handler,                       // The NMI handler
+    HardFault_Handler,                 // The hard fault handler
+    0,                                 // Reserved
+    0,                                 // Reserved
+    0,                                 // Reserved
+    __valid_user_code_checksum,        // LPC MCU checksum
+    0,                                 // ECRP
+    0,                                 // Reserved
+    0,                                 // Reserved
+    SVC_Handler,                       // SVCall handler
+    0,                                 // Reserved
+    0,                                 // Reserved
+    PendSV_Handler,                    // The PendSV handler
+    SysTick_Handler,                   // The SysTick handler
+
+    // Chip Level - LPC51U68
+    WDT_BOD_IRQHandler,       // 16: Windowed watchdog timer, Brownout detect
+    DMA0_IRQHandler,          // 17: DMA controller
+    GINT0_IRQHandler,         // 18: GPIO group 0
+    GINT1_IRQHandler,         // 19: GPIO group 1
+    PIN_INT0_IRQHandler,      // 20: Pin interrupt 0 or pattern match engine slice 0
+    PIN_INT1_IRQHandler,      // 21: Pin interrupt 1or pattern match engine slice 1
+    PIN_INT2_IRQHandler,      // 22: Pin interrupt 2 or pattern match engine slice 2
+    PIN_INT3_IRQHandler,      // 23: Pin interrupt 3 or pattern match engine slice 3
+    UTICK0_IRQHandler,        // 24: Micro-tick Timer
+    MRT0_IRQHandler,          // 25: Multi-rate timer
+    CTIMER0_IRQHandler,       // 26: Standard counter/timer CTIMER0
+    CTIMER1_IRQHandler,       // 27: Standard counter/timer CTIMER1
+    SCT0_IRQHandler,          // 28: SCTimer/PWM
+    CTIMER3_IRQHandler,       // 29: Standard counter/timer CTIMER3
+    FLEXCOMM0_IRQHandler,     // 30: Flexcomm Interface 0 (USART, SPI, I2C)
+    FLEXCOMM1_IRQHandler,     // 31: Flexcomm Interface 1 (USART, SPI, I2C)
+    FLEXCOMM2_IRQHandler,     // 32: Flexcomm Interface 2 (USART, SPI, I2C)
+    FLEXCOMM3_IRQHandler,     // 33: Flexcomm Interface 3 (USART, SPI, I2C)
+    FLEXCOMM4_IRQHandler,     // 34: Flexcomm Interface 4 (USART, SPI, I2C)
+    FLEXCOMM5_IRQHandler,     // 35: Flexcomm Interface 5 (USART, SPI, I2C)
+    FLEXCOMM6_IRQHandler,     // 36: Flexcomm Interface 6 (USART, SPI, I2C, I2S)
+    FLEXCOMM7_IRQHandler,     // 37: Flexcomm Interface 7 (USART, SPI, I2C, I2S)
+    ADC0_SEQA_IRQHandler,     // 38: ADC0 sequence A completion.
+    ADC0_SEQB_IRQHandler,     // 39: ADC0 sequence B completion.
+    ADC0_THCMP_IRQHandler,    // 40: ADC0 threshold compare and error.
+    Reserved41_IRQHandler,    // 41: Reserved interrupt
+    Reserved42_IRQHandler,    // 42: Reserved interrupt
+    USB0_NEEDCLK_IRQHandler,  // 43: USB Activity Wake-up Interrupt
+    USB0_IRQHandler,          // 44: USB device
+    RTC_IRQHandler,           // 45: RTC alarm and wake-up interrupts
+
+
+}; /* End of g_pfnVectors */
+
+//*****************************************************************************
+// Functions to carry out the initialization of RW and BSS data sections. These
+// are written as separate functions rather than being inlined within the
+// ResetISR() function in order to cope with MCUs with multiple banks of
+// memory.
+//*****************************************************************************
+__attribute__ ((section(".after_vectors.init_data")))
+void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
+    unsigned int *pulDest = (unsigned int*) start;
+    unsigned int *pulSrc = (unsigned int*) romstart;
+    unsigned int loop;
+    for (loop = 0; loop < len; loop = loop + 4)
+        *pulDest++ = *pulSrc++;
+}
+
+__attribute__ ((section(".after_vectors.init_bss")))
+void bss_init(unsigned int start, unsigned int len) {
+    unsigned int *pulDest = (unsigned int*) start;
+    unsigned int loop;
+    for (loop = 0; loop < len; loop = loop + 4)
+        *pulDest++ = 0;
+}
+
+//*****************************************************************************
+// The following symbols are constructs generated by the linker, indicating
+// the location of various points in the "Global Section Table". This table is
+// created by the linker via the Code Red managed linker script mechanism. It
+// contains the load address, execution address and length of each RW data
+// section and the execution and length of each BSS (zero initialized) section.
+//*****************************************************************************
+extern unsigned int __data_section_table;
+extern unsigned int __data_section_table_end;
+extern unsigned int __bss_section_table;
+extern unsigned int __bss_section_table_end;
+
+//*****************************************************************************
+// Reset entry point for your code.
+// Sets up a simple runtime environment and initializes the C/C++
+// library.
+//*****************************************************************************
+__attribute__ ((section(".after_vectors.reset")))
+void ResetISR(void) {
+
+    // Disable interrupts
+    __asm volatile ("cpsid i");
+
+
+    // Enable SRAM clock used by Stack
+    __asm volatile ("LDR R0, =0x40000220\n\t"
+                    "MOV R1, #56\n\t"
+                    "STR R1, [R0]");
+
+#if defined (__USE_CMSIS)
+// If __USE_CMSIS defined, then call CMSIS SystemInit code
+    SystemInit();
+
+#endif // (__USE_CMSIS)
+
+    //
+    // Copy the data sections from flash to SRAM.
+    //
+    unsigned int LoadAddr, ExeAddr, SectionLen;
+    unsigned int *SectionTableAddr;
+
+    // Load base address of Global Section Table
+    SectionTableAddr = &__data_section_table;
+
+    // Copy the data sections from flash to SRAM.
+    while (SectionTableAddr < &__data_section_table_end) {
+        LoadAddr = *SectionTableAddr++;
+        ExeAddr = *SectionTableAddr++;
+        SectionLen = *SectionTableAddr++;
+        data_init(LoadAddr, ExeAddr, SectionLen);
+    }
+
+    // At this point, SectionTableAddr = &__bss_section_table;
+    // Zero fill the bss segment
+    while (SectionTableAddr < &__bss_section_table_end) {
+        ExeAddr = *SectionTableAddr++;
+        SectionLen = *SectionTableAddr++;
+        bss_init(ExeAddr, SectionLen);
+    }
+
+
+#if !defined (__USE_CMSIS)
+// Assume that if __USE_CMSIS defined, then CMSIS SystemInit code
+// will setup the VTOR register
+
+    // Check to see if we are running the code from a non-zero
+    // address (eg RAM, external flash), in which case we need
+    // to modify the VTOR register to tell the CPU that the
+    // vector table is located at a non-0x0 address.
+    unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08;
+    if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) {
+        *pSCB_VTOR = (unsigned int)g_pfnVectors;
+    }
+#endif // (__USE_CMSIS)
+#if defined (__cplusplus)
+    //
+    // Call C++ library initialisation
+    //
+    __libc_init_array();
+#endif
+
+    // Reenable interrupts
+    __asm volatile ("cpsie i");
+
+#if defined (__REDLIB__)
+    // Call the Redlib library, which in turn calls main()
+    __main();
+#else
+    main();
+#endif
+
+    //
+    // main() shouldn't return, but if it does, we'll just enter an infinite loop
+    //
+    while (1) {
+        ;
+    }
+}
+
+//*****************************************************************************
+// Default core exception handlers. Override the ones here by defining your own
+// handler routines in your application code.
+//*****************************************************************************
+WEAK_AV void NMI_Handler(void)
+{ while(1) {}
+}
+
+WEAK_AV void HardFault_Handler(void)
+{ while(1) {}
+}
+
+WEAK_AV void SVC_Handler(void)
+{ while(1) {}
+}
+
+WEAK_AV void PendSV_Handler(void)
+{ while(1) {}
+}
+
+WEAK_AV void SysTick_Handler(void)
+{ while(1) {}
+}
+
+//*****************************************************************************
+// Processor ends up here if an unexpected interrupt occurs or a specific
+// handler is not present in the application code.
+//*****************************************************************************
+WEAK_AV void IntDefaultHandler(void)
+{ while(1) {}
+}
+
+//*****************************************************************************
+// Default application exception handlers. Override the ones here by defining
+// your own handler routines in your application code. These routines call
+// driver exception handlers or IntDefaultHandler() if no driver exception
+// handler is included.
+//*****************************************************************************
+WEAK_AV void WDT_BOD_IRQHandler(void)
+{   WDT_BOD_DriverIRQHandler();
+}
+
+WEAK_AV void DMA0_IRQHandler(void)
+{   DMA0_DriverIRQHandler();
+}
+
+WEAK_AV void GINT0_IRQHandler(void)
+{   GINT0_DriverIRQHandler();
+}
+
+WEAK_AV void GINT1_IRQHandler(void)
+{   GINT1_DriverIRQHandler();
+}
+
+WEAK_AV void PIN_INT0_IRQHandler(void)
+{   PIN_INT0_DriverIRQHandler();
+}
+
+WEAK_AV void PIN_INT1_IRQHandler(void)
+{   PIN_INT1_DriverIRQHandler();
+}
+
+WEAK_AV void PIN_INT2_IRQHandler(void)
+{   PIN_INT2_DriverIRQHandler();
+}
+
+WEAK_AV void PIN_INT3_IRQHandler(void)
+{   PIN_INT3_DriverIRQHandler();
+}
+
+WEAK_AV void UTICK0_IRQHandler(void)
+{   UTICK0_DriverIRQHandler();
+}
+
+WEAK_AV void MRT0_IRQHandler(void)
+{   MRT0_DriverIRQHandler();
+}
+
+WEAK_AV void CTIMER0_IRQHandler(void)
+{   CTIMER0_DriverIRQHandler();
+}
+
+WEAK_AV void CTIMER1_IRQHandler(void)
+{   CTIMER1_DriverIRQHandler();
+}
+
+WEAK_AV void SCT0_IRQHandler(void)
+{   SCT0_DriverIRQHandler();
+}
+
+WEAK_AV void CTIMER3_IRQHandler(void)
+{   CTIMER3_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM0_IRQHandler(void)
+{   FLEXCOMM0_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM1_IRQHandler(void)
+{   FLEXCOMM1_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM2_IRQHandler(void)
+{   FLEXCOMM2_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM3_IRQHandler(void)
+{   FLEXCOMM3_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM4_IRQHandler(void)
+{   FLEXCOMM4_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM5_IRQHandler(void)
+{   FLEXCOMM5_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM6_IRQHandler(void)
+{   FLEXCOMM6_DriverIRQHandler();
+}
+
+WEAK_AV void FLEXCOMM7_IRQHandler(void)
+{   FLEXCOMM7_DriverIRQHandler();
+}
+
+WEAK_AV void ADC0_SEQA_IRQHandler(void)
+{   ADC0_SEQA_DriverIRQHandler();
+}
+
+WEAK_AV void ADC0_SEQB_IRQHandler(void)
+{   ADC0_SEQB_DriverIRQHandler();
+}
+
+WEAK_AV void ADC0_THCMP_IRQHandler(void)
+{   ADC0_THCMP_DriverIRQHandler();
+}
+
+WEAK_AV void Reserved41_IRQHandler(void)
+{   Reserved41_DriverIRQHandler();
+}
+
+WEAK_AV void Reserved42_IRQHandler(void)
+{   Reserved42_DriverIRQHandler();
+}
+
+WEAK_AV void USB0_NEEDCLK_IRQHandler(void)
+{   USB0_NEEDCLK_DriverIRQHandler();
+}
+
+WEAK_AV void USB0_IRQHandler(void)
+{   USB0_DriverIRQHandler();
+}
+
+WEAK_AV void RTC_IRQHandler(void)
+{   RTC_DriverIRQHandler();
+}
+
+//*****************************************************************************
+
+#if defined (DEBUG)
+#pragma GCC pop_options
+#endif // (DEBUG)