206 	void *dtb = (void *)rpi4_get_dtb_address();  in rpi4_prepare_dtb()  local
211 	if (fdt_check_header(dtb) != 0)  in rpi4_prepare_dtb()
214 	ret = fdt_open_into(dtb, dtb, 0x100000);  in rpi4_prepare_dtb()
216 		ERROR("Invalid Device Tree at %p: error %d\n", dtb, ret);  in rpi4_prepare_dtb()
220 	if (dt_add_psci_node(dtb)) {  in rpi4_prepare_dtb()
225 	if (dt_add_psci_cpu_enable_methods(dtb)) {  in rpi4_prepare_dtb()
231 	if (fdt_add_reserved_memory(dtb, "atf@0", 0, 0x80000))  in rpi4_prepare_dtb()
234 	offs = fdt_node_offset_by_compatible(dtb, 0, "arm,gic-400");  in rpi4_prepare_dtb()
238 	fdt_setprop(dtb, offs, "interrupts", gic_int_prop, 12);  in rpi4_prepare_dtb()
240 	offs = fdt_path_offset(dtb, "/chosen");  in rpi4_prepare_dtb()
241 	fdt_setprop_string(dtb, offs, "stdout-path", "serial0");  in rpi4_prepare_dtb()
243 	ret = fdt_pack(dtb);  in rpi4_prepare_dtb()
245 		ERROR("Failed to pack Device Tree at %p: error %d\n", dtb, ret);  in rpi4_prepare_dtb()
247 	clean_dcache_range((uintptr_t)dtb, fdt_blob_size(dtb));  in rpi4_prepare_dtb()