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path: root/target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch
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Diffstat (limited to 'target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch')
-rw-r--r--target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch81
1 files changed, 40 insertions, 41 deletions
diff --git a/target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch b/target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch
index 81eccf2..a236da1 100644
--- a/target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch
+++ b/target/linux/lantiq/patches-4.4/0028-NET-lantiq-various-etop-fixes.patch
@@ -104,7 +104,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+
+#define PMAC_HD_CTL_AS (1 << 19)
+#define PMAC_HD_CTL_RXSH (1 << 22)
-+
+
+/* Switch Enable (0=disable, 1=enable) */
+#define GCTL0_SE 0x80000000
+/* Disable MDIO auto polling (0=disable, 1=enable) */
@@ -124,7 +124,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#define MDIO_XR9_REG_OFFSET 0
+#define MDIO_XR9_ADDR_OFFSET 5
+#define MDIO_XR9_WR_OFFSET 16
-
++
+#define LTQ_DMA_ETOP ((of_machine_is_compatible("lantiq,ase")) ? \
+ (INT_NUM_IM3_IRL0) : (INT_NUM_IM2_IRL0))
+
@@ -333,7 +333,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
- ltq_pmu_enable(PMU_PPE);
+ clk_enable(priv->clk_ppe);
-+
+
+- switch (priv->pldata->mii_mode) {
+ if (of_machine_is_compatible("lantiq,ar9")) {
+ ltq_etop_gbit_init(dev);
+ /* force the etops link to the gbit to MII */
@@ -342,8 +343,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ ltq_etop_w32_mask(MDIO_CFG_MASK, 0, LTQ_ETOP_MDIO_CFG);
+ ltq_etop_w32_mask(MAC_CFG_MASK, MAC_CFG_CGEN | MAC_CFG_DUPLEX |
+ MAC_CFG_SPEED | MAC_CFG_LINK, LTQ_ETOP_MAC_CFG);
-
-- switch (priv->pldata->mii_mode) {
++
+ switch (mii_mode) {
case PHY_INTERFACE_MODE_RMII:
- ltq_etop_w32_mask(ETOP_MII_MASK,
@@ -382,7 +382,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
- ltq_etop_w32(PPE32_CGEN, LQ_PPE32_ENET_MAC_CFG);
+ return 0;
+}
-+
+
+- ltq_dma_init_port(DMA_PORT_ETOP);
+static int
+ltq_etop_dma_init(struct net_device *dev)
+{
@@ -391,14 +392,21 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ int rx = priv->rx_irq - LTQ_DMA_ETOP;
+ int err;
- ltq_dma_init_port(DMA_PORT_ETOP);
-
- for (i = 0; i < MAX_DMA_CHAN; i++) {
- int irq = LTQ_DMA_CH0_INT + i;
- struct ltq_etop_chan *ch = &priv->ch[i];
--
++ ltq_dma_init_port(DMA_PORT_ETOP);
+
- ch->idx = ch->dma.nr = i;
--
++ priv->txch.dma.nr = tx;
++ ltq_dma_alloc_tx(&priv->txch.dma);
++ err = request_irq(priv->tx_irq, ltq_etop_dma_irq, 0, "eth_tx", priv);
++ if (err) {
++ netdev_err(dev, "failed to allocate tx irq\n");
++ goto err_out;
++ }
++ priv->txch.dma.irq = priv->tx_irq;
+
- if (IS_TX(i)) {
- ltq_dma_alloc_tx(&ch->dma);
- request_irq(irq, ltq_etop_dma_irq, 0, "etop_tx", priv);
@@ -410,15 +418,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
- return -ENOMEM;
- ch->dma.desc = 0;
- request_irq(irq, ltq_etop_dma_irq, 0, "etop_rx", priv);
-+ priv->txch.dma.nr = tx;
-+ ltq_dma_alloc_tx(&priv->txch.dma);
-+ err = request_irq(priv->tx_irq, ltq_etop_dma_irq, 0, "eth_tx", priv);
-+ if (err) {
-+ netdev_err(dev, "failed to allocate tx irq\n");
-+ goto err_out;
-+ }
-+ priv->txch.dma.irq = priv->tx_irq;
-+
+ priv->rxch.dma.nr = rx;
+ ltq_dma_alloc_rx(&priv->rxch.dma);
+ for (priv->rxch.dma.desc = 0; priv->rxch.dma.desc < LTQ_DESC_NUM;
@@ -656,12 +655,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
- phy_stop(priv->phydev);
- for (i = 0; i < MAX_DMA_CHAN; i++) {
- struct ltq_etop_chan *ch = &priv->ch[i];
--
-- if (!IS_RX(i) && !IS_TX(i))
-- continue;
-- napi_disable(&ch->napi);
-- ltq_dma_close(&ch->dma);
-- }
+ if (priv->phydev)
+ phy_stop(priv->phydev);
+ napi_disable(&priv->txch.napi);
@@ -671,7 +664,12 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ ltq_dma_close(&priv->txch.dma);
+ ltq_dma_close(&priv->rxch.dma);
+ spin_unlock_irqrestore(&priv->lock, flags);
-+
+
+- if (!IS_RX(i) && !IS_TX(i))
+- continue;
+- napi_disable(&ch->napi);
+- ltq_dma_close(&ch->dma);
+- }
return 0;
}
@@ -791,7 +789,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
-@@ -733,30 +943,61 @@ ltq_etop_probe(struct platform_device *p
+@@ -733,31 +943,62 @@ ltq_etop_probe(struct platform_device *p
goto err_out;
}
@@ -825,10 +823,19 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
priv->pdev = pdev;
- priv->pldata = dev_get_platdata(&pdev->dev);
priv->netdev = dev;
+- spin_lock_init(&priv->lock);
+ priv->tx_irq = irqres[0].start;
+ priv->rx_irq = irqres[1].start;
+ priv->mii_mode = of_get_phy_mode(pdev->dev.of_node);
-+
+
+- for (i = 0; i < MAX_DMA_CHAN; i++) {
+- if (IS_TX(i))
+- netif_napi_add(dev, &priv->ch[i].napi,
+- ltq_etop_poll_tx, 8);
+- else if (IS_RX(i))
+- netif_napi_add(dev, &priv->ch[i].napi,
+- ltq_etop_poll_rx, 32);
+- priv->ch[i].netdev = dev;
+ mac = of_get_mac_address(pdev->dev.of_node);
+ if (mac)
+ memcpy(priv->mac, mac, ETH_ALEN);
@@ -848,26 +855,18 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ priv->clk_ephycgu = clk_get(&pdev->dev, "ephycgu");
+ if (IS_ERR(priv->clk_ephycgu))
+ return PTR_ERR(priv->clk_ephycgu);
-+ }
-+
- spin_lock_init(&priv->lock);
+ }
-- for (i = 0; i < MAX_DMA_CHAN; i++) {
-- if (IS_TX(i))
-- netif_napi_add(dev, &priv->ch[i].napi,
-- ltq_etop_poll_tx, 8);
-- else if (IS_RX(i))
-- netif_napi_add(dev, &priv->ch[i].napi,
-- ltq_etop_poll_rx, 32);
-- priv->ch[i].netdev = dev;
-- }
++ spin_lock_init(&priv->lock);
++
+ netif_napi_add(dev, &priv->txch.napi, ltq_etop_poll_tx, 8);
+ netif_napi_add(dev, &priv->rxch.napi, ltq_etop_poll_rx, 32);
+ priv->txch.netdev = dev;
+ priv->rxch.netdev = dev;
-
++
err = register_netdev(dev);
if (err)
+ goto err_free;
@@ -785,31 +1026,22 @@ ltq_etop_remove(struct platform_device *
return 0;
}
generated by cgit v1.1 at 2024-12-20 10:19:43 +0000