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@ -7,8 +7,6 @@ Subject: [PATCH 21/34] NET: MIPS: lantiq: update etop driver for devicetree
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drivers/net/ethernet/lantiq_etop.c | 501 +++++++++++++++++++++++++-----------
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1 file changed, 355 insertions(+), 146 deletions(-)
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diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
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index bfdb0686..cdc0c0e 100644
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@@ -12,7 +12,7 @@
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@ -35,15 +33,13 @@ index bfdb0686..cdc0c0e 100644
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#define ETOP_MII_REVERSE 0xe
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#define ETOP_PLEN_UNDER 0x40
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#define ETOP_CGEN 0x800
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-
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+#define ETOP_CFG_MII0 0x01
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-/* use 2 static channels for TX/RX */
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-#define LTQ_ETOP_TX_CHANNEL 1
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-#define LTQ_ETOP_RX_CHANNEL 6
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-#define IS_TX(x) (x == LTQ_ETOP_TX_CHANNEL)
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-#define IS_RX(x) (x == LTQ_ETOP_RX_CHANNEL)
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-
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+#define ETOP_CFG_MII0 0x01
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+
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+#define LTQ_GBIT_MDIO_CTL 0xCC
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+#define LTQ_GBIT_MDIO_DATA 0xd0
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+#define LTQ_GBIT_GCTL0 0x68
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@ -74,7 +70,7 @@ index bfdb0686..cdc0c0e 100644
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+#define MDIO_XR9_REG_OFFSET 0
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+#define MDIO_XR9_ADDR_OFFSET 5
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+#define MDIO_XR9_WR_OFFSET 16
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+
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+#define LTQ_DMA_ETOP ((of_machine_is_compatible("lantiq,ase")) ? \
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+ (INT_NUM_IM3_IRL0) : (INT_NUM_IM2_IRL0))
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+
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@ -142,7 +138,7 @@ index bfdb0686..cdc0c0e 100644
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if (!ch->skb[ch->dma.desc])
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return -ENOMEM;
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ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(NULL,
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@@ -149,8 +202,11 @@ ltq_etop_hw_receive(struct ltq_etop_chan *ch)
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@@ -149,8 +202,11 @@ ltq_etop_hw_receive(struct ltq_etop_chan
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spin_unlock_irqrestore(&priv->lock, flags);
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skb_put(skb, len);
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@ -154,7 +150,7 @@ index bfdb0686..cdc0c0e 100644
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}
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static int
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@@ -158,8 +214,10 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget)
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@@ -158,8 +214,10 @@ ltq_etop_poll_rx(struct napi_struct *nap
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{
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struct ltq_etop_chan *ch = container_of(napi,
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struct ltq_etop_chan, napi);
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@ -165,7 +161,7 @@ index bfdb0686..cdc0c0e 100644
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while ((rx < budget) && !complete) {
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struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
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@@ -173,7 +231,9 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget)
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@@ -173,7 +231,9 @@ ltq_etop_poll_rx(struct napi_struct *nap
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}
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if (complete || !rx) {
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napi_complete(&ch->napi);
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@ -175,7 +171,7 @@ index bfdb0686..cdc0c0e 100644
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}
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return rx;
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}
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@@ -185,12 +245,14 @@ ltq_etop_poll_tx(struct napi_struct *napi, int budget)
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@@ -185,12 +245,14 @@ ltq_etop_poll_tx(struct napi_struct *nap
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container_of(napi, struct ltq_etop_chan, napi);
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struct ltq_etop_priv *priv = netdev_priv(ch->netdev);
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struct netdev_queue *txq =
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@ -191,7 +187,7 @@ index bfdb0686..cdc0c0e 100644
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dev_kfree_skb_any(ch->skb[ch->tx_free]);
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ch->skb[ch->tx_free] = NULL;
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memset(&ch->dma.desc_base[ch->tx_free], 0,
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@@ -203,7 +265,9 @@ ltq_etop_poll_tx(struct napi_struct *napi, int budget)
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@@ -203,7 +265,9 @@ ltq_etop_poll_tx(struct napi_struct *nap
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if (netif_tx_queue_stopped(txq))
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netif_tx_start_queue(txq);
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napi_complete(&ch->napi);
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@ -215,7 +211,7 @@ index bfdb0686..cdc0c0e 100644
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return IRQ_HANDLED;
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}
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@@ -225,7 +290,7 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch)
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@@ -225,7 +290,7 @@ ltq_etop_free_channel(struct net_device
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ltq_dma_free(&ch->dma);
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if (ch->dma.irq)
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free_irq(ch->dma.irq, priv);
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@ -280,17 +276,17 @@ index bfdb0686..cdc0c0e 100644
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struct ltq_etop_priv *priv = netdev_priv(dev);
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- int i;
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+ int mii_mode = priv->mii_mode;
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+
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+ clk_enable(priv->clk_ppe);
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- ltq_pmu_enable(PMU_PPE);
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+ clk_enable(priv->clk_ppe);
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- switch (priv->pldata->mii_mode) {
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+ if (of_machine_is_compatible("lantiq,ar9")) {
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+ ltq_etop_gbit_init(dev);
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+ /* force the etops link to the gbit to MII */
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+ mii_mode = PHY_INTERFACE_MODE_MII;
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+ }
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- switch (priv->pldata->mii_mode) {
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+
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+ switch (mii_mode) {
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case PHY_INTERFACE_MODE_RMII:
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ltq_etop_w32_mask(ETOP_MII_MASK,
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@ -386,7 +382,7 @@ index bfdb0686..cdc0c0e 100644
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}
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static void
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@@ -312,7 +445,10 @@ ltq_etop_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
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@@ -312,7 +445,10 @@ ltq_etop_get_settings(struct net_device
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -398,7 +394,7 @@ index bfdb0686..cdc0c0e 100644
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}
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static int
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@@ -320,7 +456,10 @@ ltq_etop_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
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@@ -320,7 +456,10 @@ ltq_etop_set_settings(struct net_device
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -410,7 +406,7 @@ index bfdb0686..cdc0c0e 100644
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}
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static int
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@@ -328,7 +467,10 @@ ltq_etop_nway_reset(struct net_device *dev)
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@@ -328,7 +467,10 @@ ltq_etop_nway_reset(struct net_device *d
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -422,7 +418,7 @@ index bfdb0686..cdc0c0e 100644
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}
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static const struct ethtool_ops ltq_etop_ethtool_ops = {
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@@ -339,6 +481,39 @@ static const struct ethtool_ops ltq_etop_ethtool_ops = {
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@@ -339,6 +481,39 @@ static const struct ethtool_ops ltq_etop
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};
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static int
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@ -462,18 +458,11 @@ index bfdb0686..cdc0c0e 100644
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ltq_etop_mdio_wr(struct mii_bus *bus, int phy_addr, int phy_reg, u16 phy_data)
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{
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u32 val = MDIO_REQUEST |
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@@ -379,14 +554,18 @@ ltq_etop_mdio_probe(struct net_device *dev)
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@@ -379,14 +554,18 @@ ltq_etop_mdio_probe(struct net_device *d
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{
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struct ltq_etop_priv *priv = netdev_priv(dev);
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struct phy_device *phydev = NULL;
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- int phy_addr;
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-
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- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
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- if (priv->mii_bus->phy_map[phy_addr]) {
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- phydev = priv->mii_bus->phy_map[phy_addr];
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- break;
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- }
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- }
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+ u32 phy_supported = (SUPPORTED_10baseT_Half
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+ | SUPPORTED_10baseT_Full
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+ | SUPPORTED_100baseT_Half
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@ -481,7 +470,13 @@ index bfdb0686..cdc0c0e 100644
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+ | SUPPORTED_Autoneg
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+ | SUPPORTED_MII
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+ | SUPPORTED_TP);
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+
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- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
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- if (priv->mii_bus->phy_map[phy_addr]) {
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- phydev = priv->mii_bus->phy_map[phy_addr];
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- break;
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- }
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- }
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+ if (of_machine_is_compatible("lantiq,ase"))
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+ phydev = priv->mii_bus->phy_map[8];
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+ else
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@ -489,7 +484,7 @@ index bfdb0686..cdc0c0e 100644
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if (!phydev) {
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netdev_err(dev, "no PHY found\n");
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@@ -394,21 +573,18 @@ ltq_etop_mdio_probe(struct net_device *dev)
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@@ -394,21 +573,18 @@ ltq_etop_mdio_probe(struct net_device *d
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}
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phydev = phy_connect(dev, dev_name(&phydev->dev),
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@ -516,7 +511,7 @@ index bfdb0686..cdc0c0e 100644
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phydev->advertising = phydev->supported;
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priv->phydev = phydev;
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pr_info("%s: attached PHY [%s] (phy_addr=%s, irq=%d)\n",
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@@ -433,8 +609,13 @@ ltq_etop_mdio_init(struct net_device *dev)
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@@ -433,8 +609,13 @@ ltq_etop_mdio_init(struct net_device *de
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}
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priv->mii_bus->priv = dev;
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@ -572,6 +567,12 @@ index bfdb0686..cdc0c0e 100644
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- phy_stop(priv->phydev);
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- for (i = 0; i < MAX_DMA_CHAN; i++) {
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- struct ltq_etop_chan *ch = &priv->ch[i];
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-
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- if (!IS_RX(i) && !IS_TX(i))
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- continue;
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- napi_disable(&ch->napi);
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- ltq_dma_close(&ch->dma);
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- }
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+ if (priv->phydev)
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+ phy_stop(priv->phydev);
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+ napi_disable(&priv->txch.napi);
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@ -581,16 +582,11 @@ index bfdb0686..cdc0c0e 100644
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+ ltq_dma_close(&priv->txch.dma);
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+ ltq_dma_close(&priv->rxch.dma);
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+ spin_unlock_irqrestore(&priv->lock, flags);
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- if (!IS_RX(i) && !IS_TX(i))
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- continue;
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- napi_disable(&ch->napi);
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- ltq_dma_close(&ch->dma);
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- }
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+
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return 0;
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}
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@@ -523,16 +707,16 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
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@@ -523,16 +707,16 @@ ltq_etop_tx(struct sk_buff *skb, struct
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int queue = skb_get_queue_mapping(skb);
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struct netdev_queue *txq = netdev_get_tx_queue(dev, queue);
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struct ltq_etop_priv *priv = netdev_priv(dev);
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@ -612,7 +608,7 @@ index bfdb0686..cdc0c0e 100644
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netdev_err(dev, "tx ring full\n");
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netif_tx_stop_queue(txq);
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return NETDEV_TX_BUSY;
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@@ -540,7 +724,7 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
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@@ -540,7 +724,7 @@ ltq_etop_tx(struct sk_buff *skb, struct
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/* dma needs to start on a 16 byte aligned address */
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byte_offset = CPHYSADDR(skb->data) % 16;
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@ -621,7 +617,7 @@ index bfdb0686..cdc0c0e 100644
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dev->trans_start = jiffies;
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@@ -550,11 +734,11 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
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@@ -550,11 +734,11 @@ ltq_etop_tx(struct sk_buff *skb, struct
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wmb();
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desc->ctl = LTQ_DMA_OWN | LTQ_DMA_SOP | LTQ_DMA_EOP |
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LTQ_DMA_TX_OFFSET(byte_offset) | (len & LTQ_DMA_SIZE_MASK);
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@ -682,7 +678,7 @@ index bfdb0686..cdc0c0e 100644
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return 0;
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err_netdev:
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@@ -680,6 +863,9 @@ ltq_etop_tx_timeout(struct net_device *dev)
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@@ -680,6 +863,9 @@ ltq_etop_tx_timeout(struct net_device *d
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err = ltq_etop_hw_init(dev);
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if (err)
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goto err_hw;
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@ -692,7 +688,7 @@ index bfdb0686..cdc0c0e 100644
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dev->trans_start = jiffies;
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netif_wake_queue(dev);
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return;
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@@ -703,14 +889,18 @@ static const struct net_device_ops ltq_eth_netdev_ops = {
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@@ -703,14 +889,18 @@ static const struct net_device_ops ltq_e
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.ndo_tx_timeout = ltq_etop_tx_timeout,
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};
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@ -715,7 +711,7 @@ index bfdb0686..cdc0c0e 100644
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res) {
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@@ -736,30 +926,58 @@ ltq_etop_probe(struct platform_device *pdev)
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@@ -736,30 +926,58 @@ ltq_etop_probe(struct platform_device *p
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goto err_out;
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}
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@ -789,7 +785,7 @@ index bfdb0686..cdc0c0e 100644
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err = register_netdev(dev);
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if (err)
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|
@@ -788,32 +1006,23 @@ ltq_etop_remove(struct platform_device *pdev)
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@@ -788,32 +1006,23 @@ ltq_etop_remove(struct platform_device *
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return 0;
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}
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@ -831,6 +827,3 @@ index bfdb0686..cdc0c0e 100644
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MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
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|
|
MODULE_DESCRIPTION("Lantiq SoC ETOP");
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--
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1.7.10.4
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Gabor Juhos
11 years ago