diff --git a/soc/arm/atmel_sam/same70/soc.c b/soc/arm/atmel_sam/same70/soc.c
index 13625b02bef..89f4d89b96b 100644
--- a/soc/arm/atmel_sam/same70/soc.c
+++ b/soc/arm/atmel_sam/same70/soc.c
@@ -229,6 +229,18 @@ static int atmel_same70_init(struct device *arg)
 
 	SCB_EnableICache();
 
+/*
+ * The Atmel SAM GMAC Ethernet driver is using a scatter-gather technique
+ * to exchange data with the Ethernet driver. This requires the use use of
+ * a non-cached memory area. This is currently not supported on Zephyr, so
+ * do not enable the cache in that case.
+ */
+#ifndef CONFIG_ETH_SAM_GMAC
+	if (!(SCB->CCR & SCB_CCR_DC_Msk)) {
+		SCB_EnableDCache();
+	}
+#endif
+
 	/* Clear all faults */
 	_ClearFaults();