stmmac: re-work the internal GMAC DMA platf parameters

[deliverable/linux.git] / include / linux / stmmac.h

diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index e5292828b684ef30490e321d0668feb0ebce25d5..4aef9baff12bd887f226640a7d0dd34e4ce1d3bb 100644 (file)
--- 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;