initial commit

third_party/tinyusb/examples/build_system/make/cpu/rv32i-ilp32.mk

@@ -0,0 +1,14 @@
+ifeq ($(TOOLCHAIN),gcc)
+  CFLAGS += \
+    -march=rv32i_zicsr \
+    -mabi=ilp32 \
+
+else ifeq ($(TOOLCHAIN),clang)
+  CFLAGS += \
+    -march=rv32i_zicsr \
+    -mabi=ilp32 \
+
+endif
+
+# For freeRTOS port source
+FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/RISC-V