diff options
Diffstat (limited to 'drivers/net/ethernet/marvell')
| -rw-r--r-- | drivers/net/ethernet/marvell/pxa168_eth.c | 100 |
1 files changed, 85 insertions, 15 deletions
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 3918887..ca60fa2 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -106,6 +106,7 @@ #define SDMA_CMD_ERD (1 << 7) /* Bit definitions of the Port Config Reg */ +#define PCR_DUPLEX_FULL (1 << 15) #define PCR_HS (1 << 12) #define PCR_EN (1 << 7) #define PCR_PM (1 << 0) @@ -113,11 +114,17 @@ /* Bit definitions of the Port Config Extend Reg */ #define PCXR_2BSM (1 << 28) #define PCXR_DSCP_EN (1 << 21) +#define PCXR_RMII_EN (1 << 20) +#define PCXR_AN_SPEED_DIS (1 << 19) +#define PCXR_SPEED_100 (1 << 18) #define PCXR_MFL_1518 (0 << 14) #define PCXR_MFL_1536 (1 << 14) #define PCXR_MFL_2048 (2 << 14) #define PCXR_MFL_64K (3 << 14) +#define PCXR_FLOWCTL_DIS (1 << 12) #define PCXR_FLP (1 << 11) +#define PCXR_AN_FLOWCTL_DIS (1 << 10) +#define PCXR_AN_DUPLEX_DIS (1 << 9) #define PCXR_PRIO_TX_OFF 3 #define PCXR_TX_HIGH_PRI (7 << PCXR_PRIO_TX_OFF) @@ -272,6 +279,7 @@ enum hash_table_entry { static int pxa168_get_settings(struct net_device *dev, struct ethtool_cmd *cmd); static int pxa168_set_settings(struct net_device *dev, struct ethtool_cmd *cmd); static int pxa168_init_hw(struct pxa168_eth_private *pep); +static int pxa168_init_phy(struct net_device *dev); static void eth_port_reset(struct net_device *dev); static void eth_port_start(struct net_device *dev); static int pxa168_eth_open(struct net_device *dev); @@ -658,14 +666,7 @@ static void eth_port_start(struct net_device *dev) struct pxa168_eth_private *pep = netdev_priv(dev); int tx_curr_desc, rx_curr_desc; - /* Perform PHY reset, if there is a PHY. */ - if (pep->phy != NULL) { - struct ethtool_cmd cmd; - - pxa168_get_settings(pep->dev, &cmd); - phy_init_hw(pep->phy); - pxa168_set_settings(pep->dev, &cmd); - } + phy_start(pep->phy); /* Assignment of Tx CTRP of given queue */ tx_curr_desc = pep->tx_curr_desc_q; @@ -720,6 +721,8 @@ static void eth_port_reset(struct net_device *dev) val = rdl(pep, PORT_CONFIG); val &= ~PCR_EN; wrl(pep, PORT_CONFIG, val); + + phy_stop(pep->phy); } /* @@ -981,8 +984,11 @@ static int set_port_config_ext(struct pxa168_eth_private *pep) skb_size = PCXR_MFL_64K; /* Extended Port Configuration */ - wrl(pep, - PORT_CONFIG_EXT, PCXR_2BSM | /* Two byte prefix aligns IP hdr */ + wrl(pep, PORT_CONFIG_EXT, + PCXR_AN_SPEED_DIS | /* Disable HW AN */ + PCXR_AN_DUPLEX_DIS | + PCXR_AN_FLOWCTL_DIS | + PCXR_2BSM | /* Two byte prefix aligns IP hdr */ PCXR_DSCP_EN | /* Enable DSCP in IP */ skb_size | PCXR_FLP | /* do not force link pass */ PCXR_TX_HIGH_PRI); /* Transmit - high priority queue */ @@ -990,6 +996,69 @@ static int set_port_config_ext(struct pxa168_eth_private *pep) return 0; } +static void pxa168_eth_adjust_link(struct net_device *dev) +{ + struct pxa168_eth_private *pep = netdev_priv(dev); + struct phy_device *phy = pep->phy; + u32 cfg, cfg_o = rdl(pep, PORT_CONFIG); + u32 cfgext, cfgext_o = rdl(pep, PORT_CONFIG_EXT); + + cfg = cfg_o & ~PCR_DUPLEX_FULL; + cfgext = cfgext_o & ~(PCXR_SPEED_100 | PCXR_FLOWCTL_DIS | PCXR_RMII_EN); + + if (phy->interface == PHY_INTERFACE_MODE_RMII) + cfgext |= PCXR_RMII_EN; + if (phy->speed == SPEED_100) + cfgext |= PCXR_SPEED_100; + if (phy->duplex) + cfg |= PCR_DUPLEX_FULL; + if (!phy->pause) + cfgext |= PCXR_FLOWCTL_DIS; + + /* Bail out if there has nothing changed */ + if (cfg == cfg_o && cfgext == cfgext_o) + return; + + wrl(pep, PORT_CONFIG, cfg); + wrl(pep, PORT_CONFIG_EXT, cfgext); + + phy_print_status(phy); +} + +static int pxa168_init_phy(struct net_device *dev) +{ + struct pxa168_eth_private *pep = netdev_priv(dev); + struct ethtool_cmd cmd; + int err; + + if (pep->phy) + return 0; + + pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr); + if (!pep->phy) + return -ENODEV; + + err = phy_connect_direct(dev, pep->phy, pxa168_eth_adjust_link, + pep->phy_intf); + if (err) + return err; + + err = pxa168_get_settings(dev, &cmd); + if (err) + return err; + + cmd.phy_address = pep->phy_addr; + cmd.speed = pep->phy_speed; + cmd.duplex = pep->phy_duplex; + cmd.advertising = PHY_BASIC_FEATURES; + cmd.autoneg = AUTONEG_ENABLE; + + if (cmd.speed != 0) + cmd.autoneg = AUTONEG_DISABLE; + + return pxa168_set_settings(dev, &cmd); +} + static int pxa168_init_hw(struct pxa168_eth_private *pep) { int err = 0; @@ -1136,6 +1205,10 @@ static int pxa168_eth_open(struct net_device *dev) struct pxa168_eth_private *pep = netdev_priv(dev); int err; + err = pxa168_init_phy(dev); + if (err) + return err; + err = request_irq(dev->irq, pxa168_eth_int_handler, 0, dev->name, dev); if (err) { dev_err(&dev->dev, "can't assign irq\n"); @@ -1596,9 +1669,6 @@ static int pxa168_eth_probe(struct platform_device *pdev) goto err_free_mdio; pxa168_init_hw(pep); - err = ethernet_phy_setup(dev); - if (err) - goto err_mdiobus; SET_NETDEV_DEV(dev, &pdev->dev); err = register_netdev(dev); if (err) @@ -1629,13 +1699,13 @@ static int pxa168_eth_remove(struct platform_device *pdev) pep->htpr, pep->htpr_dma); pep->htpr = NULL; } + if (pep->phy) + phy_disconnect(pep->phy); if (pep->clk) { clk_disable(pep->clk); clk_put(pep->clk); pep->clk = NULL; } - if (pep->phy != NULL) - phy_detach(pep->phy); iounmap(pep->base); pep->base = NULL; |
