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-rw-r--r--quantum/mcu_selection.mk31
1 files changed, 31 insertions, 0 deletions
diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index 622b4a82f8..7c4a617af0 100644
--- a/quantum/mcu_selection.mk
+++ b/quantum/mcu_selection.mk
@@ -541,6 +541,37 @@ ifneq (,$(filter $(MCU),STM32L412 STM32L422))
UF2_FAMILY ?= STM32L4
endif
+ifneq ($(findstring GD32VF103, $(MCU)),)
+ # RISC-V
+ MCU = risc-v
+
+ # RISC-V extensions and abi configuration
+ MCU_ARCH = rv32imac
+ MCU_ABI = ilp32
+ MCU_CMODEL = medlow
+
+ ## chip/board settings
+ # - the next two should match the directories in
+ # <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+ MCU_FAMILY = GD32V
+ MCU_SERIES = GD32VF103
+
+ # Linker script to use
+ # - it should exist either in <chibios>/os/common/startup/RISCV-ECLIC/compilers/GCC/ld/
+ # or <keyboard_dir>/ld/
+ MCU_LDSCRIPT ?= GD32VF103xB
+
+ # Startup code to use
+ # - it should exist in <chibios>/os/common/startup/RISCV-ECLIC/compilers/GCC/mk/
+ MCU_STARTUP ?= gd32vf103
+
+ # Board: it should exist either in <chibios>/os/hal/boards/,
+ # <keyboard_dir>/boards/, or drivers/boards/
+ BOARD ?= SIPEED_LONGAN_NANO
+
+ USE_FPU ?= no
+endif
+
ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647 at90usb1286 at90usb1287))
PROTOCOL = LUFA