1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/cpu/dma_64.c b/arch/arm/cpu/dma_64.c
new file mode 100644
index 0000000000..b50572f5e6
--- /dev/null
+++ b/arch/arm/cpu/dma_64.c
@@ -0,0 +1,15 @@
+#include <dma.h>
+#include <asm/mmu.h>
+#include <asm/cache.h>
+
+void arch_sync_dma_for_device(void *vaddr, size_t size,
+                              enum dma_data_direction dir)
+{
+	unsigned long start = (unsigned long)vaddr;
+	unsigned long end = start + size;
+
+	if (dir == DMA_FROM_DEVICE)
+		v8_inv_dcache_range(start, end);
+	else
+		v8_flush_dcache_range(start, end);
+}