1 files changed, 19 insertions, 1 deletions

diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index e5292828b684..4aef9baff12b 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -60,6 +60,18 @@
  * 1110 clk_csr_i/16
  * 1111 clk_csr_i/18 */
 
+/* AXI DMA Burst length suported */
+#define DMA_AXI_BLEN_4          (1 << 1)
+#define DMA_AXI_BLEN_8          (1 << 2)
+#define DMA_AXI_BLEN_16         (1 << 3)
+#define DMA_AXI_BLEN_32         (1 << 4)
+#define DMA_AXI_BLEN_64         (1 << 5)
+#define DMA_AXI_BLEN_128        (1 << 6)
+#define DMA_AXI_BLEN_256        (1 << 7)
+#define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \
+                        | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \
+                        | DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256)
+
 /* Platfrom data for platform device structure's platform_data field */
 
 struct stmmac_mdio_bus_data {
@@ -70,13 +82,19 @@ struct stmmac_mdio_bus_data {
         int probed_phy_irq;
 };
 
+struct stmmac_dma_cfg {
+        int pbl;
+        int fixed_burst;
+        int burst_len;
+};
+
 struct plat_stmmacenet_data {
         char *phy_bus_name;
         int bus_id;
         int phy_addr;
         int interface;
         struct stmmac_mdio_bus_data *mdio_bus_data;
-        int pbl;
+        struct stmmac_dma_cfg *dma_cfg;
         int clk_csr;
         int has_gmac;
         int enh_desc;