From: Jose Abreu <Jose.Abreu@synopsys.com>
Date: Fri, 28 Jun 2019 07:29:12 +0000 (+0200)
Subject: net: stmmac: dwxgmac: Enable EDMA by default
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8fe82bd460312728165f6472bd58be2e5d5ea527;p=openwrt%2Fstaging%2Fblogic.git

net: stmmac: dwxgmac: Enable EDMA by default

Enable the EDMA feature by default which gives higher performance.

Changes from v1:
	- Do not use magic values (David)

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index b8296eb41011..c9e802faabb5 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -177,6 +177,10 @@
 #define XGMAC_BLEN8			BIT(2)
 #define XGMAC_BLEN4			BIT(1)
 #define XGMAC_UNDEF			BIT(0)
+#define XGMAC_TX_EDMA_CTRL		0x00003040
+#define XGMAC_TDPS			GENMASK(29, 0)
+#define XGMAC_RX_EDMA_CTRL		0x00003044
+#define XGMAC_RDPS			GENMASK(29, 0)
 #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..42448973c36e 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(XGMAC_TDPS, ioaddr + XGMAC_TX_EDMA_CTRL);
+	writel(XGMAC_RDPS, ioaddr + XGMAC_RX_EDMA_CTRL);
 }
 
 static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode,