diff --git a/libcpu/Kconfig b/libcpu/Kconfig
index 2e6307be97620b932e4b772a936a40afb3722521..8e70917dd6234ec874a9349882b8a4d71eef8985 100644
--- a/libcpu/Kconfig
+++ b/libcpu/Kconfig
@@ -9,6 +9,10 @@ config RT_USING_CPU_FFS
     bool
     default n
 
+config ARCH_ARM_BOOTWITH_FLUSH_CACHE
+    bool
+    default n
+
 config ARCH_CPU_STACK_GROWS_UPWARD
     bool
     default n
diff --git a/libcpu/aarch64/cortex-a/entry_point.S b/libcpu/aarch64/cortex-a/entry_point.S
index e9a511ea781e79881cb5ba2b7f5e1f59ef78df80..ae3fa02ccdd6779292702b9d95159bb2e5cf3346 100644
--- a/libcpu/aarch64/cortex-a/entry_point.S
+++ b/libcpu/aarch64/cortex-a/entry_point.S
@@ -13,6 +13,9 @@
 .global __start
 
 __start:
+#ifdef ARCH_ARM_BOOTWITH_FLUSH_CACHE
+    bl      __asm_flush_dcache_all
+#endif
     bl      rt_hw_cpu_id_set
     /* read cpu id, stop slave cores */
     mrs     x0, tpidr_el1