detect_memory_region
detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_addr_t sz_max);
static void *detect_magic __initdata = detect_memory_region;
detect_memory_region(soc_info.mem_base,