drivers/net/ethernet/lantiq_etop.c | 500 +++++++++++++++++++++++++-----------
1 file changed, 354 insertions(+), 146 deletions(-)
-diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
-index bfdb0686..c711787 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -12,7 +12,7 @@
#define ETOP_MII_REVERSE 0xe
#define ETOP_PLEN_UNDER 0x40
#define ETOP_CGEN 0x800
--
++#define ETOP_CFG_MII0 0x01
+
-/* use 2 static channels for TX/RX */
-#define LTQ_ETOP_TX_CHANNEL 1
-#define LTQ_ETOP_RX_CHANNEL 6
-#define IS_TX(x) (x == LTQ_ETOP_TX_CHANNEL)
-#define IS_RX(x) (x == LTQ_ETOP_RX_CHANNEL)
--
-+#define ETOP_CFG_MII0 0x01
-+
+#define LTQ_GBIT_MDIO_CTL 0xCC
+#define LTQ_GBIT_MDIO_DATA 0xd0
+#define LTQ_GBIT_GCTL0 0x68
+#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))
+
if (!ch->skb[ch->dma.desc])
return -ENOMEM;
ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(NULL,
-@@ -149,8 +202,11 @@ ltq_etop_hw_receive(struct ltq_etop_chan *ch)
+@@ -149,8 +202,11 @@ ltq_etop_hw_receive(struct ltq_etop_chan
spin_unlock_irqrestore(&priv->lock, flags);
skb_put(skb, len);
}
static int
-@@ -158,8 +214,10 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget)
+@@ -158,8 +214,10 @@ ltq_etop_poll_rx(struct napi_struct *nap
{
struct ltq_etop_chan *ch = container_of(napi,
struct ltq_etop_chan, napi);
while ((rx < budget) && !complete) {
struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
-@@ -173,7 +231,9 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget)
+@@ -173,7 +231,9 @@ ltq_etop_poll_rx(struct napi_struct *nap
}
if (complete || !rx) {
napi_complete(&ch->napi);
}
return rx;
}
-@@ -185,12 +245,14 @@ ltq_etop_poll_tx(struct napi_struct *napi, int budget)
+@@ -185,12 +245,14 @@ ltq_etop_poll_tx(struct napi_struct *nap
container_of(napi, struct ltq_etop_chan, napi);
struct ltq_etop_priv *priv = netdev_priv(ch->netdev);
struct netdev_queue *txq =
dev_kfree_skb_any(ch->skb[ch->tx_free]);
ch->skb[ch->tx_free] = NULL;
memset(&ch->dma.desc_base[ch->tx_free], 0,
-@@ -203,7 +265,9 @@ ltq_etop_poll_tx(struct napi_struct *napi, int budget)
+@@ -203,7 +265,9 @@ ltq_etop_poll_tx(struct napi_struct *nap
if (netif_tx_queue_stopped(txq))
netif_tx_start_queue(txq);
napi_complete(&ch->napi);
return IRQ_HANDLED;
}
-@@ -225,7 +290,7 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch)
+@@ -225,7 +290,7 @@ ltq_etop_free_channel(struct net_device
ltq_dma_free(&ch->dma);
if (ch->dma.irq)
free_irq(ch->dma.irq, priv);
int desc;
for (desc = 0; desc < LTQ_DESC_NUM; desc++)
dev_kfree_skb_any(ch->skb[ch->dma.desc]);
-@@ -236,23 +301,59 @@ static void
+@@ -236,23 +301,62 @@ static void
ltq_etop_hw_exit(struct net_device *dev)
{
struct ltq_etop_priv *priv = netdev_priv(dev);
+
+ clk_enable(priv->clk_switch);
+
++ /* enable gbit port0 on the SoC */
++ ltq_gbit_w32_mask((1 << 17), (1 << 18), LTQ_GBIT_P0_CTL);
++
+ ltq_gbit_w32_mask(0, GCTL0_SE, LTQ_GBIT_GCTL0);
-+ /** Disable MDIO auto polling mode */
++ /* disable MDIO auto polling mode */
+ ltq_gbit_w32_mask(0, PX_CTL_DMDIO, LTQ_GBIT_P0_CTL);
+ /* set 1522 packet size */
+ ltq_gbit_w32_mask(0x300, 0, LTQ_GBIT_GCTL0);
case PHY_INTERFACE_MODE_RMII:
ltq_etop_w32_mask(ETOP_MII_MASK,
ETOP_MII_REVERSE, LTQ_ETOP_CFG);
-@@ -264,39 +365,68 @@ ltq_etop_hw_init(struct net_device *dev)
+@@ -264,39 +368,68 @@ ltq_etop_hw_init(struct net_device *dev)
break;
default:
}
static void
-@@ -312,7 +442,10 @@ ltq_etop_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+@@ -312,7 +445,10 @@ ltq_etop_get_settings(struct net_device
{
struct ltq_etop_priv *priv = netdev_priv(dev);
}
static int
-@@ -320,7 +453,10 @@ ltq_etop_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+@@ -320,7 +456,10 @@ ltq_etop_set_settings(struct net_device
{
struct ltq_etop_priv *priv = netdev_priv(dev);
}
static int
-@@ -328,7 +464,10 @@ ltq_etop_nway_reset(struct net_device *dev)
+@@ -328,7 +467,10 @@ ltq_etop_nway_reset(struct net_device *d
{
struct ltq_etop_priv *priv = netdev_priv(dev);
}
static const struct ethtool_ops ltq_etop_ethtool_ops = {
-@@ -339,6 +478,39 @@ static const struct ethtool_ops ltq_etop_ethtool_ops = {
+@@ -339,6 +481,39 @@ static const struct ethtool_ops ltq_etop
};
static int
ltq_etop_mdio_wr(struct mii_bus *bus, int phy_addr, int phy_reg, u16 phy_data)
{
u32 val = MDIO_REQUEST |
-@@ -379,14 +551,18 @@ ltq_etop_mdio_probe(struct net_device *dev)
+@@ -379,14 +554,18 @@ ltq_etop_mdio_probe(struct net_device *d
{
struct ltq_etop_priv *priv = netdev_priv(dev);
struct phy_device *phydev = NULL;
- int phy_addr;
--
-- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
-- if (priv->mii_bus->phy_map[phy_addr]) {
-- phydev = priv->mii_bus->phy_map[phy_addr];
-- break;
-- }
-- }
+ u32 phy_supported = (SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_Autoneg
+ | SUPPORTED_MII
+ | SUPPORTED_TP);
-+
+
+- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+- if (priv->mii_bus->phy_map[phy_addr]) {
+- phydev = priv->mii_bus->phy_map[phy_addr];
+- break;
+- }
+- }
+ if (of_machine_is_compatible("lantiq,ase"))
+ phydev = priv->mii_bus->phy_map[8];
+ else
if (!phydev) {
netdev_err(dev, "no PHY found\n");
-@@ -394,21 +570,18 @@ ltq_etop_mdio_probe(struct net_device *dev)
+@@ -394,21 +573,18 @@ ltq_etop_mdio_probe(struct net_device *d
}
phydev = phy_connect(dev, dev_name(&phydev->dev),
phydev->advertising = phydev->supported;
priv->phydev = phydev;
pr_info("%s: attached PHY [%s] (phy_addr=%s, irq=%d)\n",
-@@ -433,8 +606,13 @@ ltq_etop_mdio_init(struct net_device *dev)
+@@ -433,8 +609,13 @@ ltq_etop_mdio_init(struct net_device *de
}
priv->mii_bus->priv = dev;
priv->mii_bus->name = "ltq_mii";
snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x",
priv->pdev->name, priv->pdev->id);
-@@ -483,17 +661,19 @@ static int
+@@ -483,17 +664,19 @@ static int
ltq_etop_open(struct net_device *dev)
{
struct ltq_etop_priv *priv = netdev_priv(dev);
netif_tx_start_all_queues(dev);
return 0;
}
-@@ -502,18 +682,19 @@ static int
+@@ -502,18 +685,19 @@ static int
ltq_etop_stop(struct net_device *dev)
{
struct ltq_etop_priv *priv = netdev_priv(dev);
- 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);
+ 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;
}
-@@ -523,16 +704,16 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
+@@ -523,16 +707,16 @@ ltq_etop_tx(struct sk_buff *skb, struct
int queue = skb_get_queue_mapping(skb);
struct netdev_queue *txq = netdev_get_tx_queue(dev, queue);
struct ltq_etop_priv *priv = netdev_priv(dev);
netdev_err(dev, "tx ring full\n");
netif_tx_stop_queue(txq);
return NETDEV_TX_BUSY;
-@@ -540,7 +721,7 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
+@@ -540,7 +724,7 @@ ltq_etop_tx(struct sk_buff *skb, struct
/* dma needs to start on a 16 byte aligned address */
byte_offset = CPHYSADDR(skb->data) % 16;
dev->trans_start = jiffies;
-@@ -550,11 +731,11 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
+@@ -550,11 +734,11 @@ ltq_etop_tx(struct sk_buff *skb, struct
wmb();
desc->ctl = LTQ_DMA_OWN | LTQ_DMA_SOP | LTQ_DMA_EOP |
LTQ_DMA_TX_OFFSET(byte_offset) | (len & LTQ_DMA_SIZE_MASK);
netif_tx_stop_queue(txq);
return NETDEV_TX_OK;
-@@ -633,34 +814,33 @@ ltq_etop_init(struct net_device *dev)
+@@ -633,34 +817,33 @@ ltq_etop_init(struct net_device *dev)
struct ltq_etop_priv *priv = netdev_priv(dev);
struct sockaddr mac;
int err;
return 0;
err_netdev:
-@@ -680,6 +860,9 @@ ltq_etop_tx_timeout(struct net_device *dev)
+@@ -680,6 +863,9 @@ ltq_etop_tx_timeout(struct net_device *d
err = ltq_etop_hw_init(dev);
if (err)
goto err_hw;
dev->trans_start = jiffies;
netif_wake_queue(dev);
return;
-@@ -703,14 +886,18 @@ static const struct net_device_ops ltq_eth_netdev_ops = {
+@@ -703,14 +889,18 @@ static const struct net_device_ops ltq_e
.ndo_tx_timeout = ltq_etop_tx_timeout,
};
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
-@@ -736,30 +923,60 @@ ltq_etop_probe(struct platform_device *pdev)
+@@ -736,30 +926,60 @@ ltq_etop_probe(struct platform_device *p
goto err_out;
}
err = register_netdev(dev);
if (err)
-@@ -788,32 +1005,23 @@ ltq_etop_remove(struct platform_device *pdev)
+@@ -788,32 +1008,23 @@ ltq_etop_remove(struct platform_device *
return 0;
}
MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
MODULE_DESCRIPTION("Lantiq SoC ETOP");
---
-1.7.10.4
-
projects / openwrt.git / blobdiff