unless sources are explicitly given, the linker scripts and make files were copied over from the stm32/f1 port.
========================================== EFM32-TG-STK3300 Examples miniblink README ========================================== This is the smallest-possible example program using libopencm3. It's intended for the EFM32-TG-STK3300 eval board. It should blink the user LED on the board.