diff --git a/spm/cactus/cactus_main.c b/spm/cactus/cactus_main.c
index 45d2db0..ff3f618 100644
--- a/spm/cactus/cactus_main.c
+++ b/spm/cactus/cactus_main.c
@@ -93,6 +93,9 @@
 	/* PLAT_ARM_DEVICE0 area includes UART2 necessary to console */
 	MAP_REGION_FLAT(PLAT_ARM_DEVICE0_BASE, PLAT_ARM_DEVICE0_SIZE,
 			MT_DEVICE | MT_RW),
+	/* scratch memory allocated to be used for running SMMU tests */
+	MAP_REGION_FLAT(PLAT_CACTUS_MEMCPY_BASE, PLAT_CACTUS_MEMCPY_RANGE,
+			MT_MEMORY | MT_RW),
 	{0}
 };