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path: root/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c31
1 files changed, 23 insertions, 8 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index e79037f511e1..229c58758cbd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -27,7 +27,7 @@ static void dwxgmac2_dma_init(void __iomem *ioaddr,
if (dma_cfg->aal)
value |= XGMAC_AAL;
- writel(value, ioaddr + XGMAC_DMA_SYSBUS_MODE);
+ writel(value | XGMAC_EAME, ioaddr + XGMAC_DMA_SYSBUS_MODE);
}
static void dwxgmac2_dma_init_chan(void __iomem *ioaddr,
@@ -91,11 +91,11 @@ static void dwxgmac2_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi)
value |= (axi->axi_rd_osr_lmt << XGMAC_RD_OSR_LMT_SHIFT) &
XGMAC_RD_OSR_LMT;
+ if (!axi->axi_fb)
+ value |= XGMAC_UNDEF;
+
value &= ~XGMAC_BLEN;
for (i = 0; i < AXI_BLEN; i++) {
- if (axi->axi_blen[i])
- value &= ~XGMAC_UNDEF;
-
switch (axi->axi_blen[i]) {
case 256:
value |= XGMAC_BLEN256;
@@ -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,
@@ -299,10 +301,6 @@ static void dwxgmac2_dma_stop_rx(void __iomem *ioaddr, u32 chan)
value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
value &= ~XGMAC_RXST;
writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));
-
- value = readl(ioaddr + XGMAC_RX_CONFIG);
- value &= ~XGMAC_CONFIG_RE;
- writel(value, ioaddr + XGMAC_RX_CONFIG);
}
static int dwxgmac2_dma_interrupt(void __iomem *ioaddr,
@@ -363,6 +361,23 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr,
/* MAC HW feature 1 */
hw_cap = readl(ioaddr + XGMAC_HW_FEATURE1);
dma_cap->tsoen = (hw_cap & XGMAC_HWFEAT_TSOEN) >> 18;
+
+ dma_cap->addr64 = (hw_cap & XGMAC_HWFEAT_ADDR64) >> 14;
+ switch (dma_cap->addr64) {
+ case 0:
+ dma_cap->addr64 = 32;
+ break;
+ case 1:
+ dma_cap->addr64 = 40;
+ break;
+ case 2:
+ dma_cap->addr64 = 48;
+ break;
+ default:
+ dma_cap->addr64 = 32;
+ break;
+ }
+
dma_cap->tx_fifo_size =
128 << ((hw_cap & XGMAC_HWFEAT_TXFIFOSIZE) >> 6);
dma_cap->rx_fifo_size =