diff options
Diffstat (limited to 'recipes/linux/linux-2.6.27/boc01/010-090112-mii.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.27/boc01/010-090112-mii.patch | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.27/boc01/010-090112-mii.patch b/recipes/linux/linux-2.6.27/boc01/010-090112-mii.patch new file mode 100644 index 0000000000..33c6cb7498 --- /dev/null +++ b/recipes/linux/linux-2.6.27/boc01/010-090112-mii.patch @@ -0,0 +1,503 @@ +Index: linux-2.6.27/drivers/net/gianfar_ethtool.c +=================================================================== +--- linux-2.6.27.orig/drivers/net/gianfar_ethtool.c ++++ linux-2.6.27/drivers/net/gianfar_ethtool.c +@@ -182,13 +182,7 @@ static void gfar_gdrvinfo(struct net_dev + + static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd) + { +- struct gfar_private *priv = netdev_priv(dev); +- struct phy_device *phydev = priv->phydev; +- +- if (NULL == phydev) +- return -ENODEV; +- +- return phy_ethtool_sset(phydev, cmd); ++ return 0; + } + + +@@ -196,15 +190,11 @@ static int gfar_ssettings(struct net_dev + static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) + { + struct gfar_private *priv = netdev_priv(dev); +- struct phy_device *phydev = priv->phydev; +- +- if (NULL == phydev) +- return -ENODEV; + + cmd->maxtxpkt = priv->txcount; + cmd->maxrxpkt = priv->rxcount; + +- return phy_ethtool_gset(phydev, cmd); ++ return 0; + } + + /* Return the length of the register structure */ +@@ -232,18 +222,7 @@ static unsigned int gfar_usecs2ticks(str + unsigned int count; + + /* The timer is different, depending on the interface speed */ +- switch (priv->phydev->speed) { +- case SPEED_1000: +- count = GFAR_GBIT_TIME; +- break; +- case SPEED_100: +- count = GFAR_100_TIME; +- break; +- case SPEED_10: +- default: +- count = GFAR_10_TIME; +- break; +- } ++ count = GFAR_100_TIME; + + /* Make sure we return a number greater than 0 + * if usecs > 0 */ +@@ -256,18 +235,7 @@ static unsigned int gfar_ticks2usecs(str + unsigned int count; + + /* The timer is different, depending on the interface speed */ +- switch (priv->phydev->speed) { +- case SPEED_1000: +- count = GFAR_GBIT_TIME; +- break; +- case SPEED_100: +- count = GFAR_100_TIME; +- break; +- case SPEED_10: +- default: +- count = GFAR_10_TIME; +- break; +- } ++ count = GFAR_100_TIME; + + /* Make sure we return a number greater than 0 */ + /* if ticks is > 0 */ +@@ -283,9 +251,6 @@ static int gfar_gcoalesce(struct net_dev + if (!(priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) + return -EOPNOTSUPP; + +- if (NULL == priv->phydev) +- return -ENODEV; +- + cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, priv->rxtime); + cvals->rx_max_coalesced_frames = priv->rxcount; + +@@ -342,9 +307,6 @@ static int gfar_scoalesce(struct net_dev + else + priv->rxcoalescing = 1; + +- if (NULL == priv->phydev) +- return -ENODEV; +- + /* Check the bounds of the values */ + if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) { + pr_info("Coalescing is limited to %d microseconds\n", +Index: linux-2.6.27/drivers/net/gianfar.c +=================================================================== +--- linux-2.6.27.orig/drivers/net/gianfar.c ++++ linux-2.6.27/drivers/net/gianfar.c +@@ -116,7 +116,6 @@ static int gfar_change_mtu(struct net_de + static irqreturn_t gfar_error(int irq, void *dev_id); + static irqreturn_t gfar_transmit(int irq, void *dev_id); + static irqreturn_t gfar_interrupt(int irq, void *dev_id); +-static void adjust_link(struct net_device *dev); + static void init_registers(struct net_device *dev); + static int init_phy(struct net_device *dev); + static int gfar_probe(struct platform_device *pdev); +@@ -124,7 +123,6 @@ static int gfar_remove(struct platform_d + static void free_skb_resources(struct gfar_private *priv); + static void gfar_set_multi(struct net_device *dev); + static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr); +-static void gfar_configure_serdes(struct net_device *dev); + static int gfar_poll(struct napi_struct *napi, int budget); + #ifdef CONFIG_NET_POLL_CONTROLLER + static void gfar_netpoll(struct net_device *dev); +@@ -424,8 +422,6 @@ static int gfar_suspend(struct platform_ + tempval = gfar_read(&priv->regs->maccfg2); + tempval |= MACCFG2_MPEN; + gfar_write(&priv->regs->maccfg2, tempval); +- } else { +- phy_stop(priv->phydev); + } + } + +@@ -438,17 +434,12 @@ static int gfar_resume(struct platform_d + struct gfar_private *priv = netdev_priv(dev); + unsigned long flags; + u32 tempval; +- int magic_packet = priv->wol_en && +- (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); + + if (!netif_running(dev)) { + netif_device_attach(dev); + return 0; + } + +- if (!magic_packet && priv->phydev) +- phy_start(priv->phydev); +- + /* Disable Magic Packet mode, in case something + * else woke us up. + */ +@@ -476,47 +467,6 @@ static int gfar_resume(struct platform_d + #define gfar_resume NULL + #endif + +-/* Reads the controller's registers to determine what interface +- * connects it to the PHY. +- */ +-static phy_interface_t gfar_get_interface(struct net_device *dev) +-{ +- struct gfar_private *priv = netdev_priv(dev); +- u32 ecntrl = gfar_read(&priv->regs->ecntrl); +- +- if (ecntrl & ECNTRL_SGMII_MODE) +- return PHY_INTERFACE_MODE_SGMII; +- +- if (ecntrl & ECNTRL_TBI_MODE) { +- if (ecntrl & ECNTRL_REDUCED_MODE) +- return PHY_INTERFACE_MODE_RTBI; +- else +- return PHY_INTERFACE_MODE_TBI; +- } +- +- if (ecntrl & ECNTRL_REDUCED_MODE) { +- if (ecntrl & ECNTRL_REDUCED_MII_MODE) +- return PHY_INTERFACE_MODE_RMII; +- else { +- phy_interface_t interface = priv->einfo->interface; +- +- /* +- * This isn't autodetected right now, so it must +- * be set by the device tree or platform code. +- */ +- if (interface == PHY_INTERFACE_MODE_RGMII_ID) +- return PHY_INTERFACE_MODE_RGMII_ID; +- +- return PHY_INTERFACE_MODE_RGMII; +- } +- } +- +- if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT) +- return PHY_INTERFACE_MODE_GMII; +- +- return PHY_INTERFACE_MODE_MII; +-} +- + + /* Initializes driver's PHY state, and attaches to the PHY. + * Returns 0 on success. +@@ -524,10 +474,6 @@ static phy_interface_t gfar_get_interfac + static int init_phy(struct net_device *dev) + { + struct gfar_private *priv = netdev_priv(dev); +- uint gigabit_support = +- priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? +- SUPPORTED_1000baseT_Full : 0; +- struct phy_device *phydev; + char phy_id[BUS_ID_SIZE]; + phy_interface_t interface; + +@@ -537,54 +483,11 @@ static int init_phy(struct net_device *d + + snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id); + +- interface = gfar_get_interface(dev); +- +- phydev = phy_connect(dev, phy_id, &adjust_link, 0, interface); +- +- if (interface == PHY_INTERFACE_MODE_SGMII) +- gfar_configure_serdes(dev); +- +- if (IS_ERR(phydev)) { +- printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); +- return PTR_ERR(phydev); +- } +- +- /* Remove any features not supported by the controller */ +- phydev->supported &= (GFAR_SUPPORTED | gigabit_support); +- phydev->advertising = phydev->supported; +- +- priv->phydev = phydev; ++ interface = PHY_INTERFACE_MODE_MII; + + return 0; + } + +-/* +- * Initialize TBI PHY interface for communicating with the +- * SERDES lynx PHY on the chip. We communicate with this PHY +- * through the MDIO bus on each controller, treating it as a +- * "normal" PHY at the address found in the TBIPA register. We assume +- * that the TBIPA register is valid. Either the MDIO bus code will set +- * it to a value that doesn't conflict with other PHYs on the bus, or the +- * value doesn't matter, as there are no other PHYs on the bus. +- */ +-static void gfar_configure_serdes(struct net_device *dev) +-{ +- struct gfar_private *priv = netdev_priv(dev); +- struct gfar_mii __iomem *regs = +- (void __iomem *)&priv->regs->gfar_mii_regs; +- int tbipa = gfar_read(&priv->regs->tbipa); +- +- /* Single clk mode, mii mode off(for serdes communication) */ +- gfar_local_mdio_write(regs, tbipa, MII_TBICON, TBICON_CLK_SELECT); +- +- gfar_local_mdio_write(regs, tbipa, MII_ADVERTISE, +- ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE | +- ADVERTISE_1000XPSE_ASYM); +- +- gfar_local_mdio_write(regs, tbipa, MII_BMCR, BMCR_ANENABLE | +- BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000); +-} +- + static void init_registers(struct net_device *dev) + { + struct gfar_private *priv = netdev_priv(dev); +@@ -678,8 +581,6 @@ void stop_gfar(struct net_device *dev) + struct gfar __iomem *regs = priv->regs; + unsigned long flags; + +- phy_stop(priv->phydev); +- + /* Lock it down */ + spin_lock_irqsave(&priv->txlock, flags); + spin_lock(&priv->rxlock); +@@ -949,7 +850,6 @@ int startup_gfar(struct net_device *dev) + } + } + +- phy_start(priv->phydev); + + /* Configure the coalescing support */ + if (priv->txcoalescing) +@@ -1217,9 +1117,6 @@ static int gfar_close(struct net_device + cancel_work_sync(&priv->reset_task); + stop_gfar(dev); + +- /* Disconnect from the PHY */ +- phy_disconnect(priv->phydev); +- priv->phydev = NULL; + + netif_stop_queue(dev); + +@@ -1777,86 +1674,6 @@ static irqreturn_t gfar_interrupt(int ir + return IRQ_HANDLED; + } + +-/* Called every time the controller might need to be made +- * aware of new link state. The PHY code conveys this +- * information through variables in the phydev structure, and this +- * function converts those variables into the appropriate +- * register values, and can bring down the device if needed. +- */ +-static void adjust_link(struct net_device *dev) +-{ +- struct gfar_private *priv = netdev_priv(dev); +- struct gfar __iomem *regs = priv->regs; +- unsigned long flags; +- struct phy_device *phydev = priv->phydev; +- int new_state = 0; +- +- spin_lock_irqsave(&priv->txlock, flags); +- if (phydev->link) { +- u32 tempval = gfar_read(®s->maccfg2); +- u32 ecntrl = gfar_read(®s->ecntrl); +- +- /* Now we make sure that we can be in full duplex mode. +- * If not, we operate in half-duplex mode. */ +- if (phydev->duplex != priv->oldduplex) { +- new_state = 1; +- if (!(phydev->duplex)) +- tempval &= ~(MACCFG2_FULL_DUPLEX); +- else +- tempval |= MACCFG2_FULL_DUPLEX; +- +- priv->oldduplex = phydev->duplex; +- } +- +- if (phydev->speed != priv->oldspeed) { +- new_state = 1; +- switch (phydev->speed) { +- case 1000: +- tempval = +- ((tempval & ~(MACCFG2_IF)) | MACCFG2_GMII); +- break; +- case 100: +- case 10: +- tempval = +- ((tempval & ~(MACCFG2_IF)) | MACCFG2_MII); +- +- /* Reduced mode distinguishes +- * between 10 and 100 */ +- if (phydev->speed == SPEED_100) +- ecntrl |= ECNTRL_R100; +- else +- ecntrl &= ~(ECNTRL_R100); +- break; +- default: +- if (netif_msg_link(priv)) +- printk(KERN_WARNING +- "%s: Ack! Speed (%d) is not 10/100/1000!\n", +- dev->name, phydev->speed); +- break; +- } +- +- priv->oldspeed = phydev->speed; +- } +- +- gfar_write(®s->maccfg2, tempval); +- gfar_write(®s->ecntrl, ecntrl); +- +- if (!priv->oldlink) { +- new_state = 1; +- priv->oldlink = 1; +- } +- } else if (priv->oldlink) { +- new_state = 1; +- priv->oldlink = 0; +- priv->oldspeed = 0; +- priv->oldduplex = -1; +- } +- +- if (new_state && netif_msg_link(priv)) +- phy_print_status(phydev); +- +- spin_unlock_irqrestore(&priv->txlock, flags); +-} + + /* Update the hash table based on the current list of multicast + * addresses we subscribe to. Also, change the promiscuity of +Index: linux-2.6.27/drivers/net/gianfar.h +=================================================================== +--- linux-2.6.27.orig/drivers/net/gianfar.h ++++ linux-2.6.27/drivers/net/gianfar.h +@@ -150,7 +150,7 @@ extern const char gfar_driver_version[]; + #define MACCFG1_SYNCD_TX_EN 0x00000002 + #define MACCFG1_TX_EN 0x00000001 + +-#define MACCFG2_INIT_SETTINGS 0x00007205 ++#define MACCFG2_INIT_SETTINGS 0x00007105 + #define MACCFG2_FULL_DUPLEX 0x00000001 + #define MACCFG2_IF 0x00000300 + #define MACCFG2_MII 0x00000100 +@@ -748,7 +748,6 @@ struct gfar_private { + struct gianfar_platform_data *einfo; + + /* PHY stuff */ +- struct phy_device *phydev; + struct mii_bus *mii_bus; + int oldspeed; + int oldduplex; +Index: linux-2.6.27/drivers/net/gianfar_mii.c +=================================================================== +--- linux-2.6.27.orig/drivers/net/gianfar_mii.c ++++ linux-2.6.27/drivers/net/gianfar_mii.c +@@ -217,28 +217,10 @@ static int gfar_mdio_probe(struct device + if (r) + return r; + +- if (phy_id == 0xffffffff) +- break; +- } +- +- /* The bus is full. We don't support using 31 PHYs, sorry */ +- if (i == 0) +- return -EBUSY; +- +- gfar_write(&enet_regs->tbipa, i); +- +- err = mdiobus_register(new_bus); +- +- if (0 != err) { +- printk (KERN_ERR "%s: Cannot register as MDIO bus\n", +- new_bus->name); +- goto bus_register_fail; + } + + return 0; + +-bus_register_fail: +- iounmap(regs); + reg_map_fail: + kfree(new_bus); + +Index: linux-2.6.27/drivers/net/gianfar_mii.h +=================================================================== +--- linux-2.6.27.orig/drivers/net/gianfar_mii.h ++++ linux-2.6.27/drivers/net/gianfar_mii.h +@@ -27,7 +27,6 @@ + | SUPPORTED_10baseT_Full \ + | SUPPORTED_100baseT_Half \ + | SUPPORTED_100baseT_Full \ +- | SUPPORTED_Autoneg \ + | SUPPORTED_MII) + + struct gfar_mii { +Index: linux-2.6.27/drivers/net/phy/phy_device.c +=================================================================== +--- linux-2.6.27.orig/drivers/net/phy/phy_device.c ++++ linux-2.6.27/drivers/net/phy/phy_device.c +@@ -281,7 +281,7 @@ struct phy_device * phy_connect(struct n + if (IS_ERR(phydev)) + return phydev; + +- phy_prepare_link(phydev, handler); ++ phydev->link = 1; + + phy_start_machine(phydev, NULL); + +@@ -302,7 +302,7 @@ void phy_disconnect(struct phy_device *p + phy_stop_interrupts(phydev); + + phy_stop_machine(phydev); +- ++ + phydev->adjust_link = NULL; + + phy_detach(phydev); +@@ -438,7 +438,7 @@ int genphy_config_advert(struct phy_devi + if (adv < 0) + return adv; + +- adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ++ adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | + ADVERTISE_PAUSE_ASYM); + if (advertise & ADVERTISED_10baseT_Half) + adv |= ADVERTISE_10HALF; +@@ -503,7 +503,7 @@ int genphy_setup_forced(struct phy_devic + + if (DUPLEX_FULL == phydev->duplex) + ctl |= BMCR_FULLDPLX; +- ++ + err = phy_write(phydev, MII_BMCR, ctl); + + if (err < 0) +@@ -671,7 +671,7 @@ int genphy_read_status(struct phy_device + phydev->duplex = DUPLEX_FULL; + } else if (lpa & (LPA_100FULL | LPA_100HALF)) { + phydev->speed = SPEED_100; +- ++ + if (lpa & LPA_100FULL) + phydev->duplex = DUPLEX_FULL; + } else +Index: linux-2.6.27/include/linux/phy.h +=================================================================== +--- linux-2.6.27.orig/include/linux/phy.h ++++ linux-2.6.27/include/linux/phy.h +@@ -339,6 +339,11 @@ struct phy_driver { + u32 features; + u32 flags; + ++ /* Called during discovery to test if the ++ * device can attach to the bus, even if ++ phy id and mask do not match */ ++ bool (*detect)(struct mii_bus *bus, int addr); ++ + /* + * Called to initialize the PHY, + * including after a reset |