move lpc18 and rp2040 to cmake workflow since rp2040 often failed randomly with make

8 files changed, 372 insertions, 18 deletions

diff --git a/hw/bsp/imxrt/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/imxrt/FreeRTOSConfig/FreeRTOSConfig.h
index c8d94f9ed..c1928fbcd 100644
--- a/hw/bsp/imxrt/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/hw/bsp/imxrt/FreeRTOSConfig/FreeRTOSConfig.h
@@ -49,10 +49,10 @@ extern uint32_t SystemCoreClock;
 #endif
 
 /* Cortex M23/M33 port configuration. */
-#define configENABLE_MPU								        0
-#define configENABLE_FPU								        1
-#define configENABLE_TRUSTZONE					        0
-#define configMINIMAL_SECURE_STACK_SIZE					( 1024 )
+#define configENABLE_MPU						0
+#define configENABLE_FPU						1
+#define configENABLE_TRUSTZONE					0
+#define configMINIMAL_SECURE_STACK_SIZE			(1024)
 
 #define configUSE_PREEMPTION                    1
 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
diff --git a/hw/bsp/lpc18/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/lpc18/FreeRTOSConfig/FreeRTOSConfig.h
new file mode 100644
index 000000000..323c1a0a4
--- /dev/null
+++ b/hw/bsp/lpc18/FreeRTOSConfig/FreeRTOSConfig.h
@@ -0,0 +1,166 @@
+/*
+ * FreeRTOS Kernel V10.0.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software. If you wish to use our Amazon
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html.
+ *----------------------------------------------------------*/
+
+// IAR assembler have limited preprocessor support and it only need following macros:
+#ifndef __IASMARM__
+// FIXME cause redundant-decls warnings
+extern uint32_t SystemCoreClock;
+#endif
+
+/* Cortex M23/M33 port configuration. */
+#define configENABLE_MPU						0
+#define configENABLE_FPU						0
+#define configENABLE_TRUSTZONE					0
+#define configMINIMAL_SECURE_STACK_SIZE			(1024)
+
+#define configUSE_PREEMPTION                    1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
+#define configCPU_CLOCK_HZ                      SystemCoreClock
+#define configTICK_RATE_HZ                      ( 1000 )
+#define configMAX_PRIORITIES                    ( 5 )
+#define configMINIMAL_STACK_SIZE                ( 128 )
+#define configTOTAL_HEAP_SIZE                   ( configSUPPORT_DYNAMIC_ALLOCATION*4*1024 )
+#define configMAX_TASK_NAME_LEN                 16
+#define configUSE_16_BIT_TICKS                  0
+#define configIDLE_SHOULD_YIELD                 1
+#define configUSE_MUTEXES                       1
+#define configUSE_RECURSIVE_MUTEXES             1
+#define configUSE_COUNTING_SEMAPHORES           1
+#define configQUEUE_REGISTRY_SIZE               2
+#define configUSE_QUEUE_SETS                    0
+#define configUSE_TIME_SLICING                  0
+#define configUSE_NEWLIB_REENTRANT              0
+#define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
+
+#define configSUPPORT_STATIC_ALLOCATION         0
+#define configSUPPORT_DYNAMIC_ALLOCATION        1
+
+/* Hook function related definitions. */
+#define configUSE_IDLE_HOOK                    0
+#define configUSE_TICK_HOOK                    0
+#define configUSE_MALLOC_FAILED_HOOK           0 // cause nested extern warning
+#define configCHECK_FOR_STACK_OVERFLOW         2
+
+/* Run time and task stats gathering related definitions. */
+#define configGENERATE_RUN_TIME_STATS          0
+#define configRECORD_STACK_HIGH_ADDRESS        1
+#define configUSE_TRACE_FACILITY               1 // legacy trace
+#define configUSE_STATS_FORMATTING_FUNCTIONS   0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                  0
+#define configMAX_CO_ROUTINE_PRIORITIES        2
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                       1
+#define configTIMER_TASK_PRIORITY              (configMAX_PRIORITIES-2)
+#define configTIMER_QUEUE_LENGTH               32
+#define configTIMER_TASK_STACK_DEPTH           configMINIMAL_STACK_SIZE
+
+/* Optional functions - most linkers will remove unused functions anyway. */
+#define INCLUDE_vTaskPrioritySet               0
+#define INCLUDE_uxTaskPriorityGet              0
+#define INCLUDE_vTaskDelete                    0
+#define INCLUDE_vTaskSuspend                   1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
+#define INCLUDE_xResumeFromISR                 0
+#define INCLUDE_vTaskDelayUntil                1
+#define INCLUDE_vTaskDelay                     1
+#define INCLUDE_xTaskGetSchedulerState         0
+#define INCLUDE_xTaskGetCurrentTaskHandle      1
+#define INCLUDE_uxTaskGetStackHighWaterMark    0
+#define INCLUDE_xTaskGetIdleTaskHandle         0
+#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
+#define INCLUDE_pcTaskGetTaskName              0
+#define INCLUDE_eTaskGetState                  0
+#define INCLUDE_xEventGroupSetBitFromISR       0
+#define INCLUDE_xTimerPendFunctionCall         0
+
+/* Define to trap errors during development. */
+// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
+#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
+  #define configASSERT(_exp) \
+    do {\
+      if ( !(_exp) ) { \
+        volatile uint32_t* ARM_CM_DHCSR =  ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
+        if ( (*ARM_CM_DHCSR) & 1UL ) {  /* Only halt mcu if debugger is attached */ \
+          taskDISABLE_INTERRUPTS(); \
+           __asm("BKPT #0\n"); \
+        }\
+      }\
+    } while(0)
+#else
+  #define configASSERT( x )
+#endif
+
+/* FreeRTOS hooks to NVIC vectors */
+#define xPortPendSVHandler    PendSV_Handler
+#define xPortSysTickHandler   SysTick_Handler
+#define vPortSVCHandler       SVC_Handler
+
+//--------------------------------------------------------------------+
+// Interrupt nesting behavior configuration.
+//--------------------------------------------------------------------+
+
+// For Cortex-M specific: __NVIC_PRIO_BITS is defined in mcu header
+#define configPRIO_BITS       3
+
+/* The lowest interrupt priority that can be used in a call to a "set priority" function. */
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY			  ((1<<configPRIO_BITS) - 1)
+
+/* The highest interrupt priority that can be used by any interrupt service
+routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
+INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
+PRIORITY THAN THIS! (higher priorities are lower numeric values. */
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY	2
+
+/* Interrupt priorities used by the kernel port layer itself.  These are generic
+to all Cortex-M ports, and do not rely on any particular library functions. */
+#define configKERNEL_INTERRUPT_PRIORITY 		          ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
+See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	        ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+#endif
diff --git a/hw/bsp/lpc55/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/lpc55/FreeRTOSConfig/FreeRTOSConfig.h
index 4c6058d27..421106f08 100644
--- a/hw/bsp/lpc55/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/hw/bsp/lpc55/FreeRTOSConfig/FreeRTOSConfig.h
@@ -49,10 +49,10 @@ extern uint32_t SystemCoreClock;
 #endif
 
 /* Cortex M23/M33 port configuration. */
-#define configENABLE_MPU								        0
-#define configENABLE_FPU								        1
-#define configENABLE_TRUSTZONE					        0
-#define configMINIMAL_SECURE_STACK_SIZE					( 1024 )
+#define configENABLE_MPU						0
+#define configENABLE_FPU						1
+#define configENABLE_TRUSTZONE					0
+#define configMINIMAL_SECURE_STACK_SIZE			(1024)
 
 #define configUSE_PREEMPTION                    1
 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
diff --git a/hw/bsp/lpc55/boards/double_m33_express/board.cmake b/hw/bsp/lpc55/boards/double_m33_express/board.cmake
new file mode 100644
index 000000000..7c46c075e
--- /dev/null
+++ b/hw/bsp/lpc55/boards/double_m33_express/board.cmake
@@ -0,0 +1,16 @@
+set(MCU_VARIANT LPC55S69)
+set(MCU_CORE LPC55S69_cm33_core0)
+
+set(JLINK_DEVICE LPC55S69)
+set(PYOCD_TARGET LPC55S69)
+set(NXPLINK_DEVICE LPC55S69:LPCXpresso55S69)
+
+set(LD_FILE_gcc ${CMAKE_CURRENT_LIST_DIR}/LPC55S69_cm33_core0_uf2.ld)
+
+function(update_board TARGET)
+  target_compile_definitions(${TARGET} PUBLIC
+    CPU_LPC55S69JBD100_cm33_core0
+    # port 1 is highspeed
+    BOARD_TUD_RHPORT=1
+    )
+endfunction()
diff --git a/hw/bsp/lpc55/family.cmake b/hw/bsp/lpc55/family.cmake
index 1b9c1a655..77a2b821e 100644
--- a/hw/bsp/lpc55/family.cmake
+++ b/hw/bsp/lpc55/family.cmake
@@ -34,8 +34,6 @@ endif()
 set(BOARD_TARGET board_${BOARD})
 if (NOT TARGET ${BOARD_TARGET})
   add_library(${BOARD_TARGET} STATIC
-    # external driver
-    #lib/sct_neopixel/sct_neopixel.c
     # driver
     ${SDK_DIR}/drivers/lpc_gpio/fsl_gpio.c
     ${SDK_DIR}/drivers/common/fsl_common_arm.c
@@ -48,15 +46,17 @@ if (NOT TARGET ${BOARD_TARGET})
     ${SDK_DIR}/devices/${MCU_VARIANT}/drivers/fsl_reset.c
     )
   target_compile_definitions(${BOARD_TARGET} PUBLIC
-    CFG_TUSB_MCU=OPT_MCU_LPC55XX
+    CFG_TUSB_MEM_ALIGN=TU_ATTR_ALIGNED\(64\)
     )
   target_include_directories(${BOARD_TARGET} PUBLIC
+    ${TOP}/lib/sct_neopixel
     # driver
     ${SDK_DIR}/drivers/common
     ${SDK_DIR}/drivers/flexcomm
     ${SDK_DIR}/drivers/lpc_iocon
     ${SDK_DIR}/drivers/lpc_gpio
     ${SDK_DIR}/drivers/lpuart
+    ${SDK_DIR}/drivers/sctimer
     # mcu
     ${CMSIS_DIR}/CMSIS/Core/Include
     ${SDK_DIR}/devices/${MCU_VARIANT}
@@ -64,13 +64,17 @@ if (NOT TARGET ${BOARD_TARGET})
     )
   update_board(${BOARD_TARGET})
 
+  if (NOT DEFINED LD_FILE_${TOOLCHAIN})
+    set(LD_FILE_gcc ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_CORE}_flash.ld)
+  endif ()
+
   if (TOOLCHAIN STREQUAL "gcc")
     target_sources(${BOARD_TARGET} PUBLIC
       ${SDK_DIR}/devices/${MCU_VARIANT}/gcc/startup_${MCU_CORE}.S
       )
     target_link_options(${BOARD_TARGET} PUBLIC
       # linker file
-      "LINKER:--script=${SDK_DIR}/devices/${MCU_VARIANT}/gcc/${MCU_CORE}_flash.ld"
+      "LINKER:--script=${LD_FILE_gcc}"
       # nanolib
       --specs=nosys.specs
       --specs=nano.specs
@@ -95,6 +99,8 @@ function(family_configure_example TARGET)
     # BSP
     ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
     ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    # external driver
+    ${TOP}/lib/sct_neopixel/sct_neopixel.c
     )
   target_include_directories(${TARGET} PUBLIC
     # family, hw, board
diff --git a/hw/bsp/mcx/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/mcx/FreeRTOSConfig/FreeRTOSConfig.h
index 4c6058d27..421106f08 100644
--- a/hw/bsp/mcx/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/hw/bsp/mcx/FreeRTOSConfig/FreeRTOSConfig.h
@@ -49,10 +49,10 @@ extern uint32_t SystemCoreClock;
 #endif
 
 /* Cortex M23/M33 port configuration. */
-#define configENABLE_MPU								        0
-#define configENABLE_FPU								        1
-#define configENABLE_TRUSTZONE					        0
-#define configMINIMAL_SECURE_STACK_SIZE					( 1024 )
+#define configENABLE_MPU						0
+#define configENABLE_FPU						1
+#define configENABLE_TRUSTZONE					0
+#define configMINIMAL_SECURE_STACK_SIZE			(1024)
 
 #define configUSE_PREEMPTION                    1
 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
diff --git a/hw/bsp/nrf/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/nrf/FreeRTOSConfig/FreeRTOSConfig.h
new file mode 100644
index 000000000..421106f08
--- /dev/null
+++ b/hw/bsp/nrf/FreeRTOSConfig/FreeRTOSConfig.h
@@ -0,0 +1,166 @@
+/*
+ * FreeRTOS Kernel V10.0.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software. If you wish to use our Amazon
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html.
+ *----------------------------------------------------------*/
+
+// IAR assembler have limited preprocessor support and it only need following macros:
+#ifndef __IASMARM__
+// FIXME cause redundant-decls warnings
+extern uint32_t SystemCoreClock;
+#endif
+
+/* Cortex M23/M33 port configuration. */
+#define configENABLE_MPU						0
+#define configENABLE_FPU						1
+#define configENABLE_TRUSTZONE					0
+#define configMINIMAL_SECURE_STACK_SIZE			(1024)
+
+#define configUSE_PREEMPTION                    1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
+#define configCPU_CLOCK_HZ                      SystemCoreClock
+#define configTICK_RATE_HZ                      ( 1000 )
+#define configMAX_PRIORITIES                    ( 5 )
+#define configMINIMAL_STACK_SIZE                ( 128 )
+#define configTOTAL_HEAP_SIZE                   ( configSUPPORT_DYNAMIC_ALLOCATION*4*1024 )
+#define configMAX_TASK_NAME_LEN                 16
+#define configUSE_16_BIT_TICKS                  0
+#define configIDLE_SHOULD_YIELD                 1
+#define configUSE_MUTEXES                       1
+#define configUSE_RECURSIVE_MUTEXES             1
+#define configUSE_COUNTING_SEMAPHORES           1
+#define configQUEUE_REGISTRY_SIZE               2
+#define configUSE_QUEUE_SETS                    0
+#define configUSE_TIME_SLICING                  0
+#define configUSE_NEWLIB_REENTRANT              0
+#define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
+
+#define configSUPPORT_STATIC_ALLOCATION         0
+#define configSUPPORT_DYNAMIC_ALLOCATION        1
+
+/* Hook function related definitions. */
+#define configUSE_IDLE_HOOK                    0
+#define configUSE_TICK_HOOK                    0
+#define configUSE_MALLOC_FAILED_HOOK           0 // cause nested extern warning
+#define configCHECK_FOR_STACK_OVERFLOW         2
+
+/* Run time and task stats gathering related definitions. */
+#define configGENERATE_RUN_TIME_STATS          0
+#define configRECORD_STACK_HIGH_ADDRESS        1
+#define configUSE_TRACE_FACILITY               1 // legacy trace
+#define configUSE_STATS_FORMATTING_FUNCTIONS   0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                  0
+#define configMAX_CO_ROUTINE_PRIORITIES        2
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                       1
+#define configTIMER_TASK_PRIORITY              (configMAX_PRIORITIES-2)
+#define configTIMER_QUEUE_LENGTH               32
+#define configTIMER_TASK_STACK_DEPTH           configMINIMAL_STACK_SIZE
+
+/* Optional functions - most linkers will remove unused functions anyway. */
+#define INCLUDE_vTaskPrioritySet               0
+#define INCLUDE_uxTaskPriorityGet              0
+#define INCLUDE_vTaskDelete                    0
+#define INCLUDE_vTaskSuspend                   1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
+#define INCLUDE_xResumeFromISR                 0
+#define INCLUDE_vTaskDelayUntil                1
+#define INCLUDE_vTaskDelay                     1
+#define INCLUDE_xTaskGetSchedulerState         0
+#define INCLUDE_xTaskGetCurrentTaskHandle      1
+#define INCLUDE_uxTaskGetStackHighWaterMark    0
+#define INCLUDE_xTaskGetIdleTaskHandle         0
+#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
+#define INCLUDE_pcTaskGetTaskName              0
+#define INCLUDE_eTaskGetState                  0
+#define INCLUDE_xEventGroupSetBitFromISR       0
+#define INCLUDE_xTimerPendFunctionCall         0
+
+/* Define to trap errors during development. */
+// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
+#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
+  #define configASSERT(_exp) \
+    do {\
+      if ( !(_exp) ) { \
+        volatile uint32_t* ARM_CM_DHCSR =  ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
+        if ( (*ARM_CM_DHCSR) & 1UL ) {  /* Only halt mcu if debugger is attached */ \
+          taskDISABLE_INTERRUPTS(); \
+           __asm("BKPT #0\n"); \
+        }\
+      }\
+    } while(0)
+#else
+  #define configASSERT( x )
+#endif
+
+/* FreeRTOS hooks to NVIC vectors */
+#define xPortPendSVHandler    PendSV_Handler
+#define xPortSysTickHandler   SysTick_Handler
+#define vPortSVCHandler       SVC_Handler
+
+//--------------------------------------------------------------------+
+// Interrupt nesting behavior configuration.
+//--------------------------------------------------------------------+
+
+// For Cortex-M specific: __NVIC_PRIO_BITS is defined in mcu header
+#define configPRIO_BITS       3
+
+/* The lowest interrupt priority that can be used in a call to a "set priority" function. */
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY			  ((1<<configPRIO_BITS) - 1)
+
+/* The highest interrupt priority that can be used by any interrupt service
+routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
+INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
+PRIORITY THAN THIS! (higher priorities are lower numeric values. */
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY	2
+
+/* Interrupt priorities used by the kernel port layer itself.  These are generic
+to all Cortex-M ports, and do not rely on any particular library functions. */
+#define configKERNEL_INTERRUPT_PRIORITY 		          ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
+See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	        ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+#endif
diff --git a/hw/bsp/saml2x/family.mk b/hw/bsp/saml2x/family.mk
index 98071737a..62e5f8f4a 100644
--- a/hw/bsp/saml2x/family.mk
+++ b/hw/bsp/saml2x/family.mk
@@ -1,5 +1,5 @@
 UF2_FAMILY_ID = 0x68ed2b88
-DEPS_SUBMODULES += hw/mcu/microchip
+DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/microchip
 
 include $(TOP)/$(BOARD_PATH)/board.mk
 
@@ -33,13 +33,13 @@ SRC_C += \
 INC += \
 	$(TOP)/$(BOARD_PATH) \
 	$(TOP)/$(MCU_DIR) \
-	$(TOP)/$(MCU_DIR)/CMSIS/Include \
 	$(TOP)/$(MCU_DIR)/config \
 	$(TOP)/$(MCU_DIR)/include \
 	$(TOP)/$(MCU_DIR)/hal/include \
 	$(TOP)/$(MCU_DIR)/hal/utils/include \
 	$(TOP)/$(MCU_DIR)/hpl/port \
 	$(TOP)/$(MCU_DIR)/hri \
+	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include
 
 # For freeRTOS port source
 FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/ARM_CM0