From def2367077573b56f9fc4f824e5c0377a3a4175a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 16 Oct 2023 02:45:46 +0000
Subject: [PATCH] 修改DO2-DO4初始为低
---
kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 26 +++++++-------------------
1 files changed, 7 insertions(+), 19 deletions(-)
diff --git a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
index 232efe1..edb6053 100644
--- a/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
+++ b/kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
@@ -119,23 +119,6 @@
ioaddr + DMA_CHAN_INTR_ENA(chan));
}
-static void dwmac410_dma_init_channel(void __iomem *ioaddr,
- struct stmmac_dma_cfg *dma_cfg, u32 chan)
-{
- u32 value;
-
- /* common channel control register config */
- value = readl(ioaddr + DMA_CHAN_CONTROL(chan));
- if (dma_cfg->pblx8)
- value = value | DMA_BUS_MODE_PBL;
-
- writel(value, ioaddr + DMA_CHAN_CONTROL(chan));
-
- /* Mask interrupts by writing to CSR7 */
- writel(DMA_CHAN_INTR_DEFAULT_MASK_4_10,
- ioaddr + DMA_CHAN_INTR_ENA(chan));
-}
-
static void dwmac4_dma_init(void __iomem *ioaddr,
struct stmmac_dma_cfg *dma_cfg, int atds)
{
@@ -214,7 +197,7 @@
u32 channel, int fifosz, u8 qmode)
{
unsigned int rqs = fifosz / 256 - 1;
- u32 mtl_rx_op;
+ u32 mtl_rx_op, mtl_rx_int;
mtl_rx_op = readl(ioaddr + MTL_CHAN_RX_OP_MODE(channel));
@@ -285,6 +268,11 @@
}
writel(mtl_rx_op, ioaddr + MTL_CHAN_RX_OP_MODE(channel));
+
+ /* Enable MTL RX overflow */
+ mtl_rx_int = readl(ioaddr + MTL_CHAN_INT_CTRL(channel));
+ writel(mtl_rx_int | MTL_RX_OVERFLOW_INT_EN,
+ ioaddr + MTL_CHAN_INT_CTRL(channel));
}
static void dwmac4_dma_tx_chan_op_mode(void __iomem *ioaddr, int mode,
@@ -473,7 +461,7 @@
const struct stmmac_dma_ops dwmac410_dma_ops = {
.reset = dwmac4_dma_reset,
.init = dwmac4_dma_init,
- .init_chan = dwmac410_dma_init_channel,
+ .init_chan = dwmac4_dma_init_channel,
.init_rx_chan = dwmac4_dma_init_rx_chan,
.init_tx_chan = dwmac4_dma_init_tx_chan,
.axi = dwmac4_dma_axi,
--
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