Initial project setup

managed_components/espressif__tinyusb/hw/bsp/ch32v20x/family.mk

@@ -0,0 +1,67 @@
+# https://www.embecosm.com/resources/tool-chain-downloads/#riscv-stable
+#CROSS_COMPILE ?= riscv32-unknown-elf-
+
+# Toolchain from https://nucleisys.com/download.php
+#CROSS_COMPILE ?= riscv-nuclei-elf-
+
+# Toolchain from https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack
+CROSS_COMPILE ?= riscv-none-elf-
+
+CH32_FAMILY = ch32v20x
+SDK_DIR = hw/mcu/wch/ch32v20x
+SDK_SRC_DIR = $(SDK_DIR)/EVT/EXAM/SRC
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+CPU_CORE ?= rv32imac-ilp32
+
+# Port0 use FSDev, Port1 use USBFS
+PORT ?= 0
+
+CFLAGS += \
+	-mcmodel=medany \
+	-ffat-lto-objects \
+	-flto \
+	-DCH32V20x_${MCU_VARIANT} \
+	-DCFG_TUSB_MCU=OPT_MCU_CH32V20X
+
+# https://github.com/openwch/ch32v20x/pull/12
+CFLAGS += -Wno-error=strict-prototypes
+
+ifeq ($(PORT),0)
+  $(info "Using FSDEV driver")
+  CFLAGS += -DCFG_TUD_WCH_USBIP_FSDEV=1
+  $(info "Using USBFS Host driver")
+  CFLAGS += -DCFG_TUH_WCH_USBIP_USBFS=1
+else
+  $(info "Using USBFS driver")
+  CFLAGS += -DCFG_TUD_WCH_USBIP_USBFS=1
+endif
+
+LDFLAGS_GCC += \
+	-nostdlib -nostartfiles \
+	--specs=nosys.specs --specs=nano.specs \
+
+LD_FILE = $(FAMILY_PATH)/linker/${CH32_FAMILY}.ld
+
+SRC_C += \
+	src/portable/wch/dcd_ch32_usbfs.c \
+	src/portable/wch/hcd_ch32_usbfs.c \
+	src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
+	$(SDK_SRC_DIR)/Core/core_riscv.c \
+	$(SDK_SRC_DIR)/Peripheral/src/${CH32_FAMILY}_gpio.c \
+	$(SDK_SRC_DIR)/Peripheral/src/${CH32_FAMILY}_misc.c \
+	$(SDK_SRC_DIR)/Peripheral/src/${CH32_FAMILY}_rcc.c \
+	$(SDK_SRC_DIR)/Peripheral/src/${CH32_FAMILY}_usart.c \
+
+SRC_S += $(SDK_SRC_DIR)/Startup/startup_${CH32_FAMILY}_${MCU_VARIANT}.S
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/$(SDK_SRC_DIR)/Core \
+	$(TOP)/$(SDK_SRC_DIR)/Peripheral/inc \
+
+FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/RISC-V
+
+OPENOCD_WCH_OPTION=-f $(TOP)/$(FAMILY_PATH)/wch-riscv.cfg
+flash: flash-wlink-rs
+#flash: flash-openocd-wch