diff --git a/hw/bsp/ra/boards/ra4m1_ek/board.mk b/hw/bsp/ra/boards/ra4m1_ek/board.mk
index a06d75ef3..f257c0000 100644
--- a/hw/bsp/ra/boards/ra4m1_ek/board.mk
+++ b/hw/bsp/ra/boards/ra4m1_ek/board.mk
@@ -3,6 +3,5 @@ MCU_VARIANT = ra4m1
 
 # For flash-jlink target
 JLINK_DEVICE = R7FA4M1AB
-JLINK_IF     = SWD
 
 flash: flash-jlink
diff --git a/hw/bsp/ra/boards/ra4m3_ek/board.mk b/hw/bsp/ra/boards/ra4m3_ek/board.mk
index f2d0ecfc5..5987269b5 100644
--- a/hw/bsp/ra/boards/ra4m3_ek/board.mk
+++ b/hw/bsp/ra/boards/ra4m3_ek/board.mk
@@ -3,6 +3,5 @@ MCU_VARIANT = ra4m3
 
 # For flash-jlink target
 JLINK_DEVICE = R7FA4M3AF
-JLINK_IF     = SWD
 
 flash: flash-jlink
diff --git a/hw/bsp/ra/boards/ra6m1_ek/board.mk b/hw/bsp/ra/boards/ra6m1_ek/board.mk
new file mode 100644
index 000000000..f06b693d8
--- /dev/null
+++ b/hw/bsp/ra/boards/ra6m1_ek/board.mk
@@ -0,0 +1,7 @@
+CPU_CORE = cortex-m4
+MCU_VARIANT = ra6m1
+
+# For flash-jlink target
+JLINK_DEVICE = R7FA6M1AD
+
+flash: flash-jlink