1 files changed, 31 insertions, 0 deletions

diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index 622b4a82f..7c4a617af 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