initial commit

third_party/tinyusb/hw/bsp/stm32l4/boards/stm32l4r5nucleo/board.mk

@@ -0,0 +1,14 @@
+CFLAGS += \
+  -DHSE_VALUE=8000000 \
+  -DSTM32L4R5xx \
+
+# GCC
+SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32l4r5xx.s
+LD_FILE = $(BOARD_PATH)/STM32L4RXxI_FLASH.ld
+
+
+# For flash-jlink target
+JLINK_DEVICE = stm32l4r5zi
+
+# flash target using on-board stlink
+flash: flash-stlink