diff --git a/drivers/net/pch_gbe.c b/drivers/net/pch_gbe.c
index 1432351..8866f66 100644
--- a/drivers/net/pch_gbe.c
+++ b/drivers/net/pch_gbe.c
@@ -120,6 +120,8 @@
 		rx_desc[i].buffer_addr = dm_pci_virt_to_mem(priv->dev,
 			priv->rx_buff[i]);
 
+	flush_dcache_range((ulong)rx_desc, (ulong)&rx_desc[PCH_GBE_DESC_NUM]);
+
 	writel(dm_pci_virt_to_mem(priv->dev, rx_desc),
 	       &mac_regs->rx_dsc_base);
 	writel(sizeof(struct pch_gbe_rx_desc) * (PCH_GBE_DESC_NUM - 1),
@@ -137,6 +139,8 @@
 
 	memset(tx_desc, 0, sizeof(struct pch_gbe_tx_desc) * PCH_GBE_DESC_NUM);
 
+	flush_dcache_range((ulong)tx_desc, (ulong)&tx_desc[PCH_GBE_DESC_NUM]);
+
 	writel(dm_pci_virt_to_mem(priv->dev, tx_desc),
 	       &mac_regs->tx_dsc_base);
 	writel(sizeof(struct pch_gbe_tx_desc) * (PCH_GBE_DESC_NUM - 1),
@@ -245,6 +249,8 @@
 	u32 int_st;
 	ulong start;
 
+	flush_dcache_range((ulong)packet, (ulong)packet + length);
+
 	tx_head = &priv->tx_desc[0];
 	tx_desc = &priv->tx_desc[priv->tx_idx];
 
@@ -258,6 +264,8 @@
 	tx_desc->dma_status = 0;
 	tx_desc->gbec_status = 0;
 
+	flush_dcache_range((ulong)tx_desc, (ulong)&tx_desc[1]);
+
 	/* Test the wrap-around condition */
 	if (++priv->tx_idx >= PCH_GBE_DESC_NUM)
 		priv->tx_idx = 0;
@@ -295,8 +303,12 @@
 	if (virt_to_phys(rx_desc) == hw_desc)
 		return -EAGAIN;
 
+	/* Invalidate the descriptor */
+	invalidate_dcache_range((ulong)rx_desc, (ulong)&rx_desc[1]);
+
 	length = rx_desc->rx_words_eob - 3 - ETH_FCS_LEN;
 	buffer = dm_pci_mem_to_virt(priv->dev, rx_desc->buffer_addr, length, 0);
+	invalidate_dcache_range((ulong)buffer, (ulong)buffer + length);
 	*packetp = (uchar *)buffer;
 
 	return length;