diff options
Diffstat (limited to 'target/linux/ath25/patches-4.9/110-ar2313_ethernet.patch')
| -rw-r--r-- | target/linux/ath25/patches-4.9/110-ar2313_ethernet.patch | 142 |
1 files changed, 28 insertions, 114 deletions
diff --git a/target/linux/ath25/patches-4.9/110-ar2313_ethernet.patch b/target/linux/ath25/patches-4.9/110-ar2313_ethernet.patch index ed3dcb491c..39638a24dc 100644 --- a/target/linux/ath25/patches-4.9/110-ar2313_ethernet.patch +++ b/target/linux/ath25/patches-4.9/110-ar2313_ethernet.patch @@ -33,7 +33,7 @@ +obj-$(CONFIG_NET_AR231X) += ar231x.o --- /dev/null +++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c -@@ -0,0 +1,1198 @@ +@@ -0,0 +1,1119 @@ +/* + * ar231x.c: Linux driver for the Atheros AR231x Ethernet device. + * @@ -318,9 +318,6 @@ + return -ENODEV; + } + -+ /* start link poll timer */ -+ ar231x_setup_timer(dev); -+ + return 0; +} + @@ -498,93 +495,6 @@ + } +} + -+static int ar231x_setup_timer(struct net_device *dev) -+{ -+ struct ar231x_private *sp = netdev_priv(dev); -+ -+ init_timer(&sp->link_timer); -+ -+ sp->link_timer.function = ar231x_link_timer_fn; -+ sp->link_timer.data = (int)dev; -+ sp->link_timer.expires = jiffies + HZ; -+ -+ add_timer(&sp->link_timer); -+ return 0; -+} -+ -+static void ar231x_link_timer_fn(unsigned long data) -+{ -+ struct net_device *dev = (struct net_device *)data; -+ struct ar231x_private *sp = netdev_priv(dev); -+ -+ /** -+ * See if the link status changed. -+ * This was needed to make sure we set the PHY to the -+ * autonegotiated value of half or full duplex. -+ */ -+ ar231x_check_link(dev); -+ -+ /** -+ * Loop faster when we don't have link. -+ * This was needed to speed up the AP bootstrap time. -+ */ -+ if (sp->link == 0) -+ mod_timer(&sp->link_timer, jiffies + HZ / 2); -+ else -+ mod_timer(&sp->link_timer, jiffies + LINK_TIMER); -+} -+ -+static void ar231x_check_link(struct net_device *dev) -+{ -+ struct ar231x_private *sp = netdev_priv(dev); -+ u16 phy_data; -+ -+ phy_data = ar231x_mdiobus_read(sp->mii_bus, sp->phy, MII_BMSR); -+ if (sp->phy_data != phy_data) { -+ if (phy_data & BMSR_LSTATUS) { -+ /** -+ * Link is present, ready link partner ability to -+ * deterine duplexity. -+ */ -+ int duplex = 0; -+ u16 reg; -+ -+ sp->link = 1; -+ reg = ar231x_mdiobus_read(sp->mii_bus, sp->phy, -+ MII_BMCR); -+ if (reg & BMCR_ANENABLE) { -+ /* auto neg enabled */ -+ reg = ar231x_mdiobus_read(sp->mii_bus, sp->phy, -+ MII_LPA); -+ duplex = reg & (LPA_100FULL | LPA_10FULL) ? -+ 1 : 0; -+ } else { -+ /* no auto neg, just read duplex config */ -+ duplex = (reg & BMCR_FULLDPLX) ? 1 : 0; -+ } -+ -+ printk(KERN_INFO "%s: Configuring MAC for %s duplex\n", -+ dev->name, (duplex) ? "full" : "half"); -+ -+ if (duplex) { -+ /* full duplex */ -+ sp->eth_regs->mac_control = -+ (sp->eth_regs->mac_control | -+ MAC_CONTROL_F) & ~MAC_CONTROL_DRO; -+ } else { -+ /* half duplex */ -+ sp->eth_regs->mac_control = -+ (sp->eth_regs->mac_control | -+ MAC_CONTROL_DRO) & ~MAC_CONTROL_F; -+ } -+ } else { -+ /* no link */ -+ sp->link = 0; -+ } -+ sp->phy_data = phy_data; -+ } -+} -+ +static int ar231x_reset_reg(struct net_device *dev) +{ + struct ar231x_private *sp = netdev_priv(dev); @@ -996,6 +906,8 @@ + + sp->eth_regs->mac_control |= MAC_CONTROL_RE; + ++ phy_start(sp->phy_dev); ++ + return 0; +} + @@ -1055,6 +967,7 @@ + */ +static int ar231x_close(struct net_device *dev) +{ ++ struct ar231x_private *sp = netdev_priv(dev); +#if 0 + /* Disable interrupts */ + disable_irq(dev->irq); @@ -1073,6 +986,9 @@ + free_irq(dev->irq, dev); + +#endif ++ ++ phy_stop(sp->phy_dev); ++ + return 0; +} + @@ -1131,21 +1047,28 @@ +static void ar231x_adjust_link(struct net_device *dev) +{ + struct ar231x_private *sp = netdev_priv(dev); -+ unsigned int mc; ++ struct phy_device *phydev = sp->phy_dev; ++ u32 mc; + -+ if (!sp->phy_dev->link) ++ if (!phydev->link) { ++ if (sp->link) { ++ pr_info("%s: link down\n", dev->name); ++ sp->link = 0; ++ } + return; -+ -+ if (sp->phy_dev->duplex != sp->oldduplex) { -+ mc = readl(&sp->eth_regs->mac_control); -+ mc &= ~(MAC_CONTROL_F | MAC_CONTROL_DRO); -+ if (sp->phy_dev->duplex) -+ mc |= MAC_CONTROL_F; -+ else -+ mc |= MAC_CONTROL_DRO; -+ writel(mc, &sp->eth_regs->mac_control); -+ sp->oldduplex = sp->phy_dev->duplex; + } ++ sp->link = 1; ++ ++ pr_info("%s: link up (%uMbps/%s duplex)\n", dev->name, ++ phydev->speed, phydev->duplex ? "full" : "half"); ++ ++ mc = sp->eth_regs->mac_control; ++ if (phydev->duplex) ++ mc = (mc | MAC_CONTROL_F) & ~MAC_CONTROL_DRO; ++ else ++ mc = (mc | MAC_CONTROL_DRO) & ~MAC_CONTROL_F; ++ sp->eth_regs->mac_control = mc; ++ sp->duplex = phydev->duplex; +} + +#define MII_ADDR(phy, reg) \ @@ -1222,9 +1145,7 @@ + + phydev->advertising = phydev->supported; + -+ sp->oldduplex = -1; + sp->phy_dev = phydev; -+ sp->phy = phydev->mdio.addr; + + printk(KERN_INFO "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n", + dev->name, phydev->drv->name, phydev_name(phydev)); @@ -1234,7 +1155,7 @@ + --- /dev/null +++ b/drivers/net/ethernet/atheros/ar231x/ar231x.h -@@ -0,0 +1,288 @@ +@@ -0,0 +1,281 @@ +/* + * ar231x.h: Linux driver for the Atheros AR231x Ethernet device. + * @@ -1491,18 +1412,14 @@ + char *mapping; + } desc; + -+ struct timer_list link_timer; -+ unsigned short phy; /* merlot phy = 1, samsung phy = 0x1f */ -+ unsigned short mac; + unsigned short link; /* 0 - link down, 1 - link up */ -+ u16 phy_data; ++ unsigned short duplex; /* 0 - half, 1 - full */ + + struct tasklet_struct rx_tasklet; + int unloading; + + struct phy_device *phy_dev; + struct mii_bus *mii_bus; -+ int oldduplex; +}; + +/* Prototypes */ @@ -1518,9 +1435,6 @@ +static int ar231x_close(struct net_device *dev); +static int ar231x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); +static void ar231x_init_cleanup(struct net_device *dev); -+static int ar231x_setup_timer(struct net_device *dev); -+static void ar231x_link_timer_fn(unsigned long data); -+static void ar231x_check_link(struct net_device *dev); + +#endif /* _AR2313_H_ */ --- a/arch/mips/ath25/ar2315_regs.h |