diff --git a/arch/arm/include/asm/arch-armada8k/cache_llc.h b/arch/arm/include/asm/arch-armada8k/cache_llc.h
new file mode 100644
index 0000000000000000000000000000000000000000..8f97e6d7766828ea19d6d33822b391ac0b5ae213
--- /dev/null
+++ b/arch/arm/include/asm/arch-armada8k/cache_llc.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ * https://spdx.org/licenses
+ */
+
+#ifndef _CACHE_LLC_H_
+#define _CACHE_LLC_H_
+
+/* Armada-7K/8K last level cache */
+
+#define MVEBU_A8K_REGS_BASE_MSB		0xf000
+#define LLC_BASE_ADDR			0x8000
+#define LLC_CACHE_SYNC			0x700
+#define LLC_CACHE_SYNC_COMPLETE		0x730
+#define LLC_FLUSH_BY_WAY		0x7fc
+#define LLC_WAY_MASK			0xffffffff
+#define LLC_CACHE_SYNC_MASK		0x1
+
+#endif	/* _CACHE_LLC_H_ */
diff --git a/arch/arm/mach-mvebu/armada8k/Makefile b/arch/arm/mach-mvebu/armada8k/Makefile
index 84c69d90e73f1b5840ed738da824b04c72c9c3de..0facf14942df62d39ecc52e773b36341b37ae5e2 100644
--- a/arch/arm/mach-mvebu/armada8k/Makefile
+++ b/arch/arm/mach-mvebu/armada8k/Makefile
@@ -5,3 +5,4 @@
 #
 
 obj-y = cpu.o
+obj-y += cache_llc.o
diff --git a/arch/arm/mach-mvebu/armada8k/cache_llc.S b/arch/arm/mach-mvebu/armada8k/cache_llc.S
new file mode 100644
index 0000000000000000000000000000000000000000..71aecb2dde807c6a32a9c779c0bdcf8971d25749
--- /dev/null
+++ b/arch/arm/mach-mvebu/armada8k/cache_llc.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ * https://spdx.org/licenses
+ */
+
+#include <asm/arch-armada8k/cache_llc.h>
+#include <linux/linkage.h>
+
+/*
+ * int __asm_flush_l3_dcache
+ *
+ * flush Armada-8K last level cache.
+ *
+ */
+ENTRY(__asm_flush_l3_dcache)
+	/* flush cache */
+	mov     x0, #LLC_BASE_ADDR
+	add	x0, x0, #LLC_FLUSH_BY_WAY
+	movk    x0, #MVEBU_A8K_REGS_BASE_MSB, lsl #16
+	mov     w1, #LLC_WAY_MASK
+	str     w1, [x0]
+	/* sync cache */
+	mov     x0, #LLC_BASE_ADDR
+	add	x0, x0, #LLC_CACHE_SYNC
+	movk    x0, #MVEBU_A8K_REGS_BASE_MSB, lsl #16
+	str     wzr, [x0]
+	/* check that cache sync completed */
+	mov     x0, #LLC_BASE_ADDR
+	add	x0, x0, #LLC_CACHE_SYNC_COMPLETE
+	movk    x0, #MVEBU_A8K_REGS_BASE_MSB, lsl #16
+1:	ldr	w1, [x0]
+	and	w1, w1, #LLC_CACHE_SYNC_MASK
+	cbnz	w1, 1b
+	/* return success */
+	mov	x0, #0
+	ret
+ENDPROC(__asm_flush_l3_dcache)