/* Perform basic hardware initialization at boot. 
This needs to be run from the very beginning. So the init priority has to be 0 (zero). */
static int stm32wl_init(void)
/* Perform basic hardware initialization at boot. 
This needs to be run from the very beginning. So the init priority has to be 0 (zero). */
static int stm32wl_init(void)
{
	LL_FLASH_EnableInstCache();
	LL_FLASH_EnableDataCache();
	SystemCoreClock = 4000000;
	return 0;
}