diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/Makefile
index 1c8d601c7..00581353f 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/Makefile
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/Makefile
@@ -1,4 +1,4 @@
 
-SRC_DIR :=  $(BOARD) 
+SRC_DIR :=  $(BOARD) usb
 
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
index 20415ddbd..21d6d5b7b 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
@@ -15,6 +15,12 @@ user_ldflags = -N -Ttext 0
 cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie  
 board_specs = $(KERNEL_ROOT)/services/app/stub.o
 endif
+ifeq ($(BOARD), 3568)
+toolchain ?= aarch64-none-elf-
+user_ldflags = -N -Ttext 0
+cflags = -Wall -g -std=c11 -mtune=cortex-a55 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie  
+board_specs = $(KERNEL_ROOT)/services/app/stub.o
+endif
 
 cc = ${toolchain}gcc
 ld = ${toolchain}g++