Initial project setup

managed_components/espressif__tinyusb/hw/bsp/stm32u0/family.mk

@@ -0,0 +1,50 @@
+ST_FAMILY = u0
+ST_CMSIS = hw/mcu/st/cmsis-device-$(ST_FAMILY)
+ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+CPU_CORE ?= cortex-m0plus
+
+CFLAGS += \
+  -DCFG_EXAMPLE_MSC_READONLY \
+  -DCFG_EXAMPLE_VIDEO_READONLY \
+  -DCFG_TUSB_MCU=OPT_MCU_STM32U0
+
+# mcu driver cause following warnings
+CFLAGS_GCC += \
+  -flto \
+	-Wno-error=unused-parameter \
+	-Wno-error=redundant-decls \
+	-Wno-error=cast-align \
+	-Wno-error=maybe-uninitialized \
+
+CFLAGS_CLANG += \
+  -Wno-error=parentheses-equality
+
+LDFLAGS_GCC += \
+  -nostdlib -nostartfiles \
+  --specs=nosys.specs --specs=nano.specs
+
+SRC_C += \
+  src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
+  $(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c \
+  ${ST_HAL_DRIVER}/Src/stm32$(ST_FAMILY)xx_hal_pwr_ex.c \
+  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+  $(TOP)/$(ST_CMSIS)/Include \
+  $(TOP)/$(ST_HAL_DRIVER)/Inc
+
+# Startup
+SRC_S_GCC += $(ST_CMSIS)/Source/Templates/gcc/startup_${MCU_VARIANT}.s
+SRC_S_IAR += $(ST_CMSIS)/Source/Templates/iar/startup_${MCU_VARIANT}.s
+
+# Linker
+LD_FILE_IAR ?= $(ST_CMSIS)/Source/Templates/iar/linker/$(MCU_VARIANT)_flash.icf