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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c42
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index 0d993f4b701c..47b1204cf6a3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -80,6 +80,7 @@ static void dwmac4_dma_init_rx_chan(void __iomem *ioaddr,
writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
writel(lower_32_bits(dma_rx_phy), ioaddr + DMA_CHAN_RX_BASE_ADDR(chan));
+ writel(upper_32_bits(dma_rx_phy), ioaddr + DMA_CHAN_RX_BASE_HADDR(chan));
}
static void dwmac4_dma_init_tx_chan(void __iomem *ioaddr,
@@ -98,6 +99,7 @@ static void dwmac4_dma_init_tx_chan(void __iomem *ioaddr,
writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan));
writel(lower_32_bits(dma_tx_phy), ioaddr + DMA_CHAN_TX_BASE_ADDR(chan));
+ writel(upper_32_bits(dma_tx_phy), ioaddr + DMA_CHAN_TX_BASE_HADDR(chan));
}
static void dwmac4_dma_init_channel(void __iomem *ioaddr,
@@ -149,7 +151,7 @@ static void dwmac4_dma_init(void __iomem *ioaddr,
if (dma_cfg->aal)
value |= DMA_SYS_BUS_AAL;
- writel(value, ioaddr + DMA_SYS_BUS_MODE);
+ writel(value | DMA_SYS_EAME, ioaddr + DMA_SYS_BUS_MODE);
}
static void _dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 channel,
@@ -258,19 +260,9 @@ static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,
rfa = 0x01; /* Full-1.5K */
break;
- case 8192:
- rfd = 0x06; /* Full-4K */
- rfa = 0x0a; /* Full-6K */
- break;
-
- case 16384:
- rfd = 0x06; /* Full-4K */
- rfa = 0x12; /* Full-10K */
- break;
-
default:
- rfd = 0x06; /* Full-4K */
- rfa = 0x1e; /* Full-16K */
+ rfd = 0x07; /* Full-4.5K */
+ rfa = 0x04; /* Full-3K */
break;
}
@@ -365,9 +357,11 @@ static void dwmac4_get_hw_feature(void __iomem *ioaddr,
/* MAC HW feature1 */
hw_cap = readl(ioaddr + GMAC_HW_FEATURE1);
+ dma_cap->l3l4fnum = (hw_cap & GMAC_HW_FEAT_L3L4FNUM) >> 27;
dma_cap->hash_tb_sz = (hw_cap & GMAC_HW_HASH_TB_SZ) >> 24;
dma_cap->av = (hw_cap & GMAC_HW_FEAT_AVSEL) >> 20;
dma_cap->tsoen = (hw_cap & GMAC_HW_TSOEN) >> 18;
+ dma_cap->sphen = (hw_cap & GMAC_HW_FEAT_SPHEN) >> 17;
/* RX and TX FIFO sizes are encoded as log2(n / 128). Undo that by
* shifting and store the sizes in bytes.
*/
@@ -396,6 +390,10 @@ static void dwmac4_get_hw_feature(void __iomem *ioaddr,
/* 5.10 Features */
dma_cap->asp = (hw_cap & GMAC_HW_FEAT_ASP) >> 28;
+ dma_cap->fpesel = (hw_cap & GMAC_HW_FEAT_FPESEL) >> 26;
+ dma_cap->estwid = (hw_cap & GMAC_HW_FEAT_ESTWID) >> 20;
+ dma_cap->estdep = (hw_cap & GMAC_HW_FEAT_ESTDEP) >> 17;
+ dma_cap->estsel = (hw_cap & GMAC_HW_FEAT_ESTSEL) >> 16;
dma_cap->frpes = (hw_cap & GMAC_HW_FEAT_FRPES) >> 13;
dma_cap->frpbs = (hw_cap & GMAC_HW_FEAT_FRPBS) >> 11;
dma_cap->frpsel = (hw_cap & GMAC_HW_FEAT_FRPSEL) >> 10;
@@ -443,6 +441,22 @@ static void dwmac4_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan)
writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan));
}
+static void dwmac4_enable_sph(void __iomem *ioaddr, bool en, u32 chan)
+{
+ u32 value = readl(ioaddr + GMAC_EXT_CONFIG);
+
+ value &= ~GMAC_CONFIG_HDSMS;
+ value |= GMAC_CONFIG_HDSMS_256; /* Segment max 256 bytes */
+ writel(value, ioaddr + GMAC_EXT_CONFIG);
+
+ value = readl(ioaddr + DMA_CHAN_CONTROL(chan));
+ if (en)
+ value |= DMA_CONTROL_SPH;
+ else
+ value &= ~DMA_CONTROL_SPH;
+ writel(value, ioaddr + DMA_CHAN_CONTROL(chan));
+}
+
const struct stmmac_dma_ops dwmac4_dma_ops = {
.reset = dwmac4_dma_reset,
.init = dwmac4_dma_init,
@@ -469,6 +483,7 @@ const struct stmmac_dma_ops dwmac4_dma_ops = {
.enable_tso = dwmac4_enable_tso,
.qmode = dwmac4_qmode,
.set_bfsize = dwmac4_set_bfsize,
+ .enable_sph = dwmac4_enable_sph,
};
const struct stmmac_dma_ops dwmac410_dma_ops = {
@@ -497,4 +512,5 @@ const struct stmmac_dma_ops dwmac410_dma_ops = {
.enable_tso = dwmac4_enable_tso,
.qmode = dwmac4_qmode,
.set_bfsize = dwmac4_set_bfsize,
+ .enable_sph = dwmac4_enable_sph,
};