initial commit

third_party/tinyusb/hw/bsp/efm32/family.mk

@@ -0,0 +1,39 @@
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -D__STARTUP_CLEAR_BSS \
+  -D__START=main \
+  -DCFG_TUSB_MCU=OPT_MCU_EFM32GG
+
+CPU_CORE ?= cortex-m4
+
+# EFM32_FAMILY should be set by board.mk (e.g. efm32gg12b)
+SILABS_CMSIS = hw/mcu/silabs/cmsis-dfp-$(EFM32_FAMILY)/Device/SiliconLabs/$(shell echo $(EFM32_FAMILY) | tr a-z A-Z)
+
+LDFLAGS += -specs=nosys.specs -specs=nano.specs
+
+# All source paths should be relative to the top level.
+LD_FILE = $(SILABS_CMSIS)/Source/GCC/$(EFM32_FAMILY).ld
+
+SRC_C += \
+  $(SILABS_CMSIS)/Source/system_$(EFM32_FAMILY).c \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
+	src/portable/synopsys/dwc2/hcd_dwc2.c \
+	src/portable/synopsys/dwc2/dwc2_common.c \
+
+SRC_S += \
+  $(SILABS_CMSIS)/Source/GCC/startup_$(EFM32_FAMILY).S
+
+INC += \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+  $(TOP)/$(SILABS_CMSIS)/Include \
+  $(TOP)/$(BOARD_PATH)
+
+# For freeRTOS port source
+FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/ARM_CM4F