[PATCH net-next 01/10] net: stmmac: dwxgmac: Enable EDMA by default

[Jose Abreu]

Enable the EDMA feature by default which gives higher performance.

Signed-off-by: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: Joao Pinto <jpinto@xxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h     | 2 ++
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index b8296eb41011..50b41ecb0325 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -177,6 +177,8 @@
 #define XGMAC_BLEN8			BIT(2)
 #define XGMAC_BLEN4			BIT(1)
 #define XGMAC_UNDEF			BIT(0)
+#define XGMAC_TX_EDMA_CTRL		0x00003040
+#define XGMAC_RX_EDMA_CTRL		0x00003044
 #define XGMAC_DMA_CH_CONTROL(x)		(0x00003100 + (0x80 * (x)))
 #define XGMAC_PBLx8			BIT(16)
 #define XGMAC_DMA_CH_TX_CONTROL(x)	(0x00003104 + (0x80 * (x)))
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index 7861a938420a..a1ad49680c07 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -122,6 +122,8 @@ static void dwxgmac2_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi)
 	}
 
 	writel(value, ioaddr + XGMAC_DMA_SYSBUS_MODE);
+	writel(GENMASK(29, 0), ioaddr + XGMAC_TX_EDMA_CTRL);
+	writel(GENMASK(29, 0), ioaddr + XGMAC_RX_EDMA_CTRL);
 }
 
 static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode,
-- 
2.7.4