diff options
Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r-- | drivers/net/sky2.c | 543 |
1 files changed, 336 insertions, 207 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 822dd0b..f2ab3d5 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -49,7 +49,7 @@ #include "sky2.h" #define DRV_NAME "sky2" -#define DRV_VERSION "1.10" +#define DRV_VERSION "1.12" #define PFX DRV_NAME " " /* @@ -105,6 +105,7 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */ + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B03) }, /* DGE-550T */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ @@ -126,6 +127,9 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, /* 88EC042 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436A) }, /* 88E8058 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436B) }, /* 88E8071 */ { 0 } }; @@ -140,7 +144,7 @@ static const u32 portirq_msk[] = { Y2_IS_PORT_1, Y2_IS_PORT_2 }; static const char *yukon2_name[] = { "XL", /* 0xb3 */ "EC Ultra", /* 0xb4 */ - "UNKNOWN", /* 0xb5 */ + "Extreme", /* 0xb5 */ "EC", /* 0xb6 */ "FE", /* 0xb7 */ }; @@ -192,76 +196,52 @@ static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) return v; } -static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) -{ - u16 power_control; - int vaux; - - pr_debug("sky2_set_power_state %d\n", state); - sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); - - power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_PMC); - vaux = (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) && - (power_control & PCI_PM_CAP_PME_D3cold); - - power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_CTRL); - - power_control |= PCI_PM_CTRL_PME_STATUS; - power_control &= ~(PCI_PM_CTRL_STATE_MASK); - switch (state) { - case PCI_D0: - /* switch power to VCC (WA for VAUX problem) */ - sky2_write8(hw, B0_POWER_CTRL, - PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); - - /* disable Core Clock Division, */ - sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); - - if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) - /* enable bits are inverted */ - sky2_write8(hw, B2_Y2_CLK_GATE, - Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | - Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | - Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); - else - sky2_write8(hw, B2_Y2_CLK_GATE, 0); +static void sky2_power_on(struct sky2_hw *hw) +{ + /* switch power to VCC (WA for VAUX problem) */ + sky2_write8(hw, B0_POWER_CTRL, + PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); - if (hw->chip_id == CHIP_ID_YUKON_EC_U) { - u32 reg1; + /* disable Core Clock Division, */ + sky2_write32(hw, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); - sky2_pci_write32(hw, PCI_DEV_REG3, 0); - reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); - reg1 &= P_ASPM_CONTROL_MSK; - sky2_pci_write32(hw, PCI_DEV_REG4, reg1); - sky2_pci_write32(hw, PCI_DEV_REG5, 0); - } + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) + /* enable bits are inverted */ + sky2_write8(hw, B2_Y2_CLK_GATE, + Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | + Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | + Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); + else + sky2_write8(hw, B2_Y2_CLK_GATE, 0); - break; + if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) { + u32 reg1; - case PCI_D3hot: - case PCI_D3cold: - if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) - sky2_write8(hw, B2_Y2_CLK_GATE, 0); - else - /* enable bits are inverted */ - sky2_write8(hw, B2_Y2_CLK_GATE, - Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | - Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | - Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); - - /* switch power to VAUX */ - if (vaux && state != PCI_D3cold) - sky2_write8(hw, B0_POWER_CTRL, - (PC_VAUX_ENA | PC_VCC_ENA | - PC_VAUX_ON | PC_VCC_OFF)); - break; - default: - printk(KERN_ERR PFX "Unknown power state %d\n", state); + sky2_pci_write32(hw, PCI_DEV_REG3, 0); + reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); + reg1 &= P_ASPM_CONTROL_MSK; + sky2_pci_write32(hw, PCI_DEV_REG4, reg1); + sky2_pci_write32(hw, PCI_DEV_REG5, 0); } +} - sky2_pci_write16(hw, hw->pm_cap + PCI_PM_CTRL, power_control); - sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); +static void sky2_power_aux(struct sky2_hw *hw) +{ + if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) + sky2_write8(hw, B2_Y2_CLK_GATE, 0); + else + /* enable bits are inverted */ + sky2_write8(hw, B2_Y2_CLK_GATE, + Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | + Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | + Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS); + + /* switch power to VAUX */ + if (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) + sky2_write8(hw, B0_POWER_CTRL, + (PC_VAUX_ENA | PC_VCC_ENA | + PC_VAUX_ON | PC_VCC_OFF)); } static void sky2_gmac_reset(struct sky2_hw *hw, unsigned port) @@ -313,8 +293,10 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) struct sky2_port *sky2 = netdev_priv(hw->dev[port]); u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; - if (sky2->autoneg == AUTONEG_ENABLE && - !(hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { + if (sky2->autoneg == AUTONEG_ENABLE + && !(hw->chip_id == CHIP_ID_YUKON_XL + || hw->chip_id == CHIP_ID_YUKON_EC_U + || hw->chip_id == CHIP_ID_YUKON_EX)) { u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | @@ -341,8 +323,10 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* enable automatic crossover */ ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); - if (sky2->autoneg == AUTONEG_ENABLE && - (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { + if (sky2->autoneg == AUTONEG_ENABLE + && (hw->chip_id == CHIP_ID_YUKON_XL + || hw->chip_id == CHIP_ID_YUKON_EC_U + || hw->chip_id == CHIP_ID_YUKON_EX)) { ctrl &= ~PHY_M_PC_DSC_MSK; ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA; } @@ -497,7 +481,9 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* restore page register */ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); break; + case CHIP_ID_YUKON_EC_U: + case CHIP_ID_YUKON_EX: pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); /* select page 3 to access LED control register */ @@ -539,7 +525,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* set page register to 0 */ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg); - } else { + } else if (hw->chip_id != CHIP_ID_YUKON_EX) { gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { @@ -591,6 +577,73 @@ static void sky2_phy_reinit(struct sky2_port *sky2) spin_unlock_bh(&sky2->phy_lock); } +/* Put device in state to listen for Wake On Lan */ +static void sky2_wol_init(struct sky2_port *sky2) +{ + struct sky2_hw *hw = sky2->hw; + unsigned port = sky2->port; + enum flow_control save_mode; + u16 ctrl; + u32 reg1; + + /* Bring hardware out of reset */ + sky2_write16(hw, B0_CTST, CS_RST_CLR); + sky2_write16(hw, SK_REG(port, GMAC_LINK_CTRL), GMLC_RST_CLR); + + sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); + sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); + + /* Force to 10/100 + * sky2_reset will re-enable on resume + */ + save_mode = sky2->flow_mode; + ctrl = sky2->advertising; + + sky2->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full); + sky2->flow_mode = FC_NONE; + sky2_phy_power(hw, port, 1); + sky2_phy_reinit(sky2); + + sky2->flow_mode = save_mode; + sky2->advertising = ctrl; + + /* Set GMAC to no flow control and auto update for speed/duplex */ + gma_write16(hw, port, GM_GP_CTRL, + GM_GPCR_FC_TX_DIS|GM_GPCR_TX_ENA|GM_GPCR_RX_ENA| + GM_GPCR_DUP_FULL|GM_GPCR_FC_RX_DIS|GM_GPCR_AU_FCT_DIS); + + /* Set WOL address */ + memcpy_toio(hw->regs + WOL_REGS(port, WOL_MAC_ADDR), + sky2->netdev->dev_addr, ETH_ALEN); + + /* Turn on appropriate WOL control bits */ + sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), WOL_CTL_CLEAR_RESULT); + ctrl = 0; + if (sky2->wol & WAKE_PHY) + ctrl |= WOL_CTL_ENA_PME_ON_LINK_CHG|WOL_CTL_ENA_LINK_CHG_UNIT; + else + ctrl |= WOL_CTL_DIS_PME_ON_LINK_CHG|WOL_CTL_DIS_LINK_CHG_UNIT; + + if (sky2->wol & WAKE_MAGIC) + ctrl |= WOL_CTL_ENA_PME_ON_MAGIC_PKT|WOL_CTL_ENA_MAGIC_PKT_UNIT; + else + ctrl |= WOL_CTL_DIS_PME_ON_MAGIC_PKT|WOL_CTL_DIS_MAGIC_PKT_UNIT;; + + ctrl |= WOL_CTL_DIS_PME_ON_PATTERN|WOL_CTL_DIS_PATTERN_UNIT; + sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl); + + /* Turn on legacy PCI-Express PME mode */ + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); + reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); + reg1 |= PCI_Y2_PME_LEGACY; + sky2_pci_write32(hw, PCI_DEV_REG1, reg1); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + + /* block receiver */ + sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET); + +} + static void sky2_mac_init(struct sky2_hw *hw, unsigned port) { struct sky2_port *sky2 = netdev_priv(hw->dev[port]); @@ -684,7 +737,7 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); - if (hw->chip_id == CHIP_ID_YUKON_EC_U) { + if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) { sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); if (hw->dev[port]->mtu > ETH_DATA_LEN) { @@ -1467,6 +1520,9 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done) if (unlikely(netif_msg_tx_done(sky2))) printk(KERN_DEBUG "%s: tx done %u\n", dev->name, idx); + sky2->net_stats.tx_packets++; + sky2->net_stats.tx_bytes += re->skb->len; + dev_kfree_skb_any(re->skb); } @@ -1641,7 +1697,9 @@ static void sky2_link_up(struct sky2_port *sky2) sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_ON | LINKLED_BLINK_OFF | LINKLED_LINKSYNC_OFF); - if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) { + if (hw->chip_id == CHIP_ID_YUKON_XL + || hw->chip_id == CHIP_ID_YUKON_EC_U + || hw->chip_id == CHIP_ID_YUKON_EX) { u16 pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR); u16 led = PHY_M_LEDC_LOS_CTRL(1); /* link active */ @@ -1734,14 +1792,16 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux) sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF; /* Pause bits are offset (9..8) */ - if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) + if (hw->chip_id == CHIP_ID_YUKON_XL + || hw->chip_id == CHIP_ID_YUKON_EC_U + || hw->chip_id == CHIP_ID_YUKON_EX) aux >>= 6; sky2->flow_status = sky2_flow(aux & PHY_M_PS_RX_P_EN, aux & PHY_M_PS_TX_P_EN); if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000 - && hw->chip_id != CHIP_ID_YUKON_EC_U) + && !(hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX)) sky2->flow_status = FC_NONE; if (aux & PHY_M_PS_RX_P_EN) @@ -1794,48 +1854,37 @@ out: } -/* Transmit timeout is only called if we are running, carries is up +/* Transmit timeout is only called if we are running, carrier is up * and tx queue is full (stopped). + * Called with netif_tx_lock held. */ static void sky2_tx_timeout(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; - unsigned txq = txqaddr[sky2->port]; - u16 report, done; + u32 imask; if (netif_msg_timer(sky2)) printk(KERN_ERR PFX "%s: tx timeout\n", dev->name); - report = sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX); - done = sky2_read16(hw, Q_ADDR(txq, Q_DONE)); - printk(KERN_DEBUG PFX "%s: transmit ring %u .. %u report=%u done=%u\n", - dev->name, - sky2->tx_cons, sky2->tx_prod, report, done); + dev->name, sky2->tx_cons, sky2->tx_prod, + sky2_read16(hw, sky2->port == 0 ? STAT_TXA1_RIDX : STAT_TXA2_RIDX), + sky2_read16(hw, Q_ADDR(txqaddr[sky2->port], Q_DONE))); - if (report != done) { - printk(KERN_INFO PFX "status burst pending (irq moderation?)\n"); - - sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); - sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); - } else if (report != sky2->tx_cons) { - printk(KERN_INFO PFX "status report lost?\n"); + imask = sky2_read32(hw, B0_IMSK); /* block IRQ in hw */ + sky2_write32(hw, B0_IMSK, 0); + sky2_read32(hw, B0_IMSK); - netif_tx_lock_bh(dev); - sky2_tx_complete(sky2, report); - netif_tx_unlock_bh(dev); - } else { - printk(KERN_INFO PFX "hardware hung? flushing\n"); + netif_poll_disable(hw->dev[0]); /* stop NAPI poll */ + synchronize_irq(hw->pdev->irq); - sky2_write32(hw, Q_ADDR(txq, Q_CSR), BMU_STOP); - sky2_write32(hw, Y2_QADDR(txq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET); + netif_start_queue(dev); /* don't wakeup during flush */ + sky2_tx_complete(sky2, sky2->tx_prod); /* Flush transmit queue */ - sky2_tx_clean(dev); + sky2_write32(hw, B0_IMSK, imask); - sky2_qset(hw, txq); - sky2_prefetch_init(hw, txq, sky2->tx_le_map, TX_RING_SIZE - 1); - } + sky2_phy_reinit(sky2); /* this clears flow control etc */ } static int sky2_change_mtu(struct net_device *dev, int new_mtu) @@ -1849,8 +1898,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu) if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) return -EINVAL; + /* TSO on Yukon Ultra and MTU > 1500 not supported */ if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN) - return -EINVAL; + dev->features &= ~NETIF_F_TSO; if (!netif_running(dev)) { dev->mtu = new_mtu; @@ -2089,6 +2139,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do) goto force_update; skb->protocol = eth_type_trans(skb, dev); + sky2->net_stats.rx_packets++; + sky2->net_stats.rx_bytes += skb->len; dev->last_rx = jiffies; #ifdef SKY2_VLAN_TAG_USED @@ -2218,8 +2270,8 @@ static void sky2_hw_intr(struct sky2_hw *hw) pci_err = sky2_pci_read16(hw, PCI_STATUS); if (net_ratelimit()) - printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n", - pci_name(hw->pdev), pci_err); + dev_err(&hw->pdev->dev, "PCI hardware error (0x%x)\n", + pci_err); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); sky2_pci_write16(hw, PCI_STATUS, @@ -2234,8 +2286,8 @@ static void sky2_hw_intr(struct sky2_hw *hw) pex_err = sky2_pci_read32(hw, PEX_UNC_ERR_STAT); if (net_ratelimit()) - printk(KERN_ERR PFX "%s: pci express error (0x%x)\n", - pci_name(hw->pdev), pex_err); + dev_err(&hw->pdev->dev, "PCI Express error (0x%x)\n", + pex_err); /* clear the interrupt */ sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); @@ -2404,6 +2456,7 @@ static inline u32 sky2_mhz(const struct sky2_hw *hw) switch (hw->chip_id) { case CHIP_ID_YUKON_EC: case CHIP_ID_YUKON_EC_U: + case CHIP_ID_YUKON_EX: return 125; /* 125 Mhz */ case CHIP_ID_YUKON_FE: return 100; /* 100 Mhz */ @@ -2423,34 +2476,62 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk) } -static int sky2_reset(struct sky2_hw *hw) +static int __devinit sky2_init(struct sky2_hw *hw) { - u16 status; u8 t8; - int i; sky2_write8(hw, B0_CTST, CS_RST_CLR); hw->chip_id = sky2_read8(hw, B2_CHIP_ID); if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) { - printk(KERN_ERR PFX "%s: unsupported chip type 0x%x\n", - pci_name(hw->pdev), hw->chip_id); + dev_err(&hw->pdev->dev, "unsupported chip type 0x%x\n", + hw->chip_id); return -EOPNOTSUPP; } + if (hw->chip_id == CHIP_ID_YUKON_EX) + dev_warn(&hw->pdev->dev, "this driver not yet tested on this chip type\n" + "Please report success or failure to <netdev@vger.kernel.org>\n"); + + /* Make sure and enable all clocks */ + if (hw->chip_id == CHIP_ID_YUKON_EX || hw->chip_id == CHIP_ID_YUKON_EC_U) + sky2_pci_write32(hw, PCI_DEV_REG3, 0); + hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4; /* This rev is really old, and requires untested workarounds */ if (hw->chip_id == CHIP_ID_YUKON_EC && hw->chip_rev == CHIP_REV_YU_EC_A1) { - printk(KERN_ERR PFX "%s: unsupported revision Yukon-%s (0x%x) rev %d\n", - pci_name(hw->pdev), yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], - hw->chip_id, hw->chip_rev); + dev_err(&hw->pdev->dev, "unsupported revision Yukon-%s (0x%x) rev %d\n", + yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], + hw->chip_id, hw->chip_rev); return -EOPNOTSUPP; } + hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); + hw->ports = 1; + t8 = sky2_read8(hw, B2_Y2_HW_RES); + if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { + if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) + ++hw->ports; + } + + return 0; +} + +static void sky2_reset(struct sky2_hw *hw) +{ + u16 status; + int i; + /* disable ASF */ if (hw->chip_id <= CHIP_ID_YUKON_EC) { - sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); + if (hw->chip_id == CHIP_ID_YUKON_EX) { + status = sky2_read16(hw, HCU_CCSR); + status &= ~(HCU_CCSR_AHB_RST | HCU_CCSR_CPU_RST_MODE | + HCU_CCSR_UC_STATE_MSK); + sky2_write16(hw, HCU_CCSR, status); + } else + sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE); } @@ -2472,15 +2553,7 @@ static int sky2_reset(struct sky2_hw *hw) sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL); - hw->pmd_type = sky2_read8(hw, B2_PMD_TYP); - hw->ports = 1; - t8 = sky2_read8(hw, B2_Y2_HW_RES); - if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) { - if (!(sky2_read8(hw, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) - ++hw->ports; - } - - sky2_set_power_state(hw, PCI_D0); + sky2_power_on(hw); for (i = 0; i < hw->ports; i++) { sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); @@ -2563,7 +2636,37 @@ static int sky2_reset(struct sky2_hw *hw) sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); +} + +static inline u8 sky2_wol_supported(const struct sky2_hw *hw) +{ + return sky2_is_copper(hw) ? (WAKE_PHY | WAKE_MAGIC) : 0; +} + +static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + const struct sky2_port *sky2 = netdev_priv(dev); + + wol->supported = sky2_wol_supported(sky2->hw); + wol->wolopts = sky2->wol; +} + +static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + + if (wol->wolopts & ~sky2_wol_supported(sky2->hw)) + return -EOPNOTSUPP; + + sky2->wol = wol->wolopts; + + if (hw->chip_id == CHIP_ID_YUKON_EC_U) + sky2_write32(hw, B0_CTST, sky2->wol + ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF); + if (!netif_running(dev)) + sky2_wol_init(sky2); return 0; } @@ -2814,25 +2917,9 @@ static void sky2_get_strings(struct net_device *dev, u32 stringset, u8 * data) } } -/* Use hardware MIB variables for critical path statistics and - * transmit feedback not reported at interrupt. - * Other errors are accounted for in interrupt handler. - */ static struct net_device_stats *sky2_get_stats(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); - u64 data[13]; - - sky2_phy_stats(sky2, data, ARRAY_SIZE(data)); - - sky2->net_stats.tx_bytes = data[0]; - sky2->net_stats.rx_bytes = data[1]; - sky2->net_stats.tx_packets = data[2] + data[4] + data[6]; - sky2->net_stats.rx_packets = data[3] + data[5] + data[7]; - sky2->net_stats.multicast = data[3] + data[5]; - sky2->net_stats.collisions = data[10]; - sky2->net_stats.tx_aborted_errors = data[12]; - return &sky2->net_stats; } @@ -3191,7 +3278,9 @@ static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, static const struct ethtool_ops sky2_ethtool_ops = { .get_settings = sky2_get_settings, .set_settings = sky2_set_settings, - .get_drvinfo = sky2_get_drvinfo, + .get_drvinfo = sky2_get_drvinfo, + .get_wol = sky2_get_wol, + .set_wol = sky2_set_wol, .get_msglevel = sky2_get_msglevel, .set_msglevel = sky2_set_msglevel, .nway_reset = sky2_nway_reset, @@ -3221,13 +3310,14 @@ static const struct ethtool_ops sky2_ethtool_ops = { /* Initialize network device */ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, - unsigned port, int highmem) + unsigned port, + int highmem, int wol) { struct sky2_port *sky2; struct net_device *dev = alloc_etherdev(sizeof(*sky2)); if (!dev) { - printk(KERN_ERR "sky2 etherdev alloc failed"); + dev_err(&hw->pdev->dev, "etherdev alloc failed"); return NULL; } @@ -3269,6 +3359,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->speed = -1; sky2->advertising = sky2_supported_modes(hw); sky2->rx_csum = 1; + sky2->wol = wol; spin_lock_init(&sky2->phy_lock); sky2->tx_pending = TX_DEF_PENDING; @@ -3278,11 +3369,9 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->port = port; - if (hw->chip_id != CHIP_ID_YUKON_EC_U) - dev->features |= NETIF_F_TSO; + dev->features |= NETIF_F_TSO | NETIF_F_IP_CSUM | NETIF_F_SG; if (highmem) dev->features |= NETIF_F_HIGHDMA; - dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; #ifdef SKY2_VLAN_TAG_USED dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; @@ -3343,8 +3432,7 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw); if (err) { - printk(KERN_ERR PFX "%s: cannot assign irq %d\n", - pci_name(pdev), pdev->irq); + dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); return err; } @@ -3355,9 +3443,8 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) if (!hw->msi) { /* MSI test failed, go back to INTx mode */ - printk(KERN_INFO PFX "%s: No interrupt generated using MSI, " - "switching to INTx mode.\n", - pci_name(pdev)); + dev_info(&pdev->dev, "No interrupt generated using MSI, " + "switching to INTx mode.\n"); err = -EOPNOTSUPP; sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ); @@ -3371,62 +3458,62 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) return err; } +static int __devinit pci_wake_enabled(struct pci_dev *dev) +{ + int pm = pci_find_capability(dev, PCI_CAP_ID_PM); + u16 value; + + if (!pm) + return 0; + if (pci_read_config_word(dev, pm + PCI_PM_CTRL, &value)) + return 0; + return value & PCI_PM_CTRL_PME_ENABLE; +} + static int __devinit sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - struct net_device *dev, *dev1 = NULL; + struct net_device *dev; struct sky2_hw *hw; - int err, pm_cap, using_dac = 0; + int err, using_dac = 0, wol_default; err = pci_enable_device(pdev); if (err) { - printk(KERN_ERR PFX "%s cannot enable PCI device\n", - pci_name(pdev)); + dev_err(&pdev->dev, "cannot enable PCI device\n"); goto err_out; } err = pci_request_regions(pdev, DRV_NAME); if (err) { - printk(KERN_ERR PFX "%s cannot obtain PCI resources\n", - pci_name(pdev)); + dev_err(&pdev->dev, "cannot obtain PCI resources\n"); goto err_out; } pci_set_master(pdev); - /* Find power-management capability. */ - pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (pm_cap == 0) { - printk(KERN_ERR PFX "Cannot find PowerManagement capability, " - "aborting.\n"); - err = -EIO; - goto err_out_free_regions; - } - if (sizeof(dma_addr_t) > sizeof(u32) && !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { using_dac = 1; err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); if (err < 0) { - printk(KERN_ERR PFX "%s unable to obtain 64 bit DMA " - "for consistent allocations\n", pci_name(pdev)); + dev_err(&pdev->dev, "unable to obtain 64 bit DMA " + "for consistent allocations\n"); goto err_out_free_regions; } - } else { err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); if (err) { - printk(KERN_ERR PFX "%s no usable DMA configuration\n", - pci_name(pdev)); + dev_err(&pdev->dev, "no usable DMA configuration\n"); goto err_out_free_regions; } } + wol_default = pci_wake_enabled(pdev) ? WAKE_MAGIC : 0; + err = -ENOMEM; hw = kzalloc(sizeof(*hw), GFP_KERNEL); if (!hw) { - printk(KERN_ERR PFX "%s: cannot allocate hardware struct\n", - pci_name(pdev)); + dev_err(&pdev->dev, "cannot allocate hardware struct\n"); goto err_out_free_regions; } @@ -3434,11 +3521,9 @@ static int __devinit sky2_probe(struct pci_dev *pdev, hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); if (!hw->regs) { - printk(KERN_ERR PFX "%s: cannot map device registers\n", - pci_name(pdev)); + dev_err(&pdev->dev, "cannot map device registers\n"); goto err_out_free_hw; } - hw->pm_cap = pm_cap; #ifdef __BIG_ENDIAN /* The sk98lin vendor driver uses hardware byte swapping but @@ -3458,18 +3543,22 @@ static int __devinit sky2_probe(struct pci_dev *pdev, if (!hw->st_le) goto err_out_iounmap; - err = sky2_reset(hw); + err = sky2_init(hw); if (err) goto err_out_iounmap; - printk(KERN_INFO PFX "v%s addr 0x%llx irq %d Yukon-%s (0x%x) rev %d\n", + dev_info(&pdev->dev, "v%s addr 0x%llx irq %d Yukon-%s (0x%x) rev %d\n", DRV_VERSION, (unsigned long long)pci_resource_start(pdev, 0), pdev->irq, yukon2_name[hw->chip_id - CHIP_ID_YUKON_XL], hw->chip_id, hw->chip_rev); - dev = sky2_init_netdev(hw, 0, using_dac); - if (!dev) + sky2_reset(hw); + + dev = sky2_init_netdev(hw, 0, using_dac, wol_default); + if (!dev) { + err = -ENOMEM; goto err_out_free_pci; + } if (!disable_msi && pci_enable_msi(pdev) == 0) { err = sky2_test_msi(hw); @@ -3481,32 +3570,33 @@ static int __devinit sky2_probe(struct pci_dev *pdev, err = register_netdev(dev); if (err) { - printk(KERN_ERR PFX "%s: cannot register net device\n", - pci_name(pdev)); + dev_err(&pdev->dev, "cannot register net device\n"); goto err_out_free_netdev; } err = request_irq(pdev->irq, sky2_intr, hw->msi ? 0 : IRQF_SHARED, dev->name, hw); if (err) { - printk(KERN_ERR PFX "%s: cannot assign irq %d\n", - pci_name(pdev), pdev->irq); + dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq); goto err_out_unregister; } sky2_write32(hw, B0_IMSK, Y2_IS_BASE); sky2_show_addr(dev); - if (hw->ports > 1 && (dev1 = sky2_init_netdev(hw, 1, using_dac))) { - if (register_netdev(dev1) == 0) - sky2_show_addr(dev1); - else { - /* Failure to register second port need not be fatal */ - printk(KERN_WARNING PFX - "register of second port failed\n"); + if (hw->ports > 1) { + struct net_device *dev1; + + dev1 = sky2_init_netdev(hw, 1, using_dac, wol_default); + if (!dev1) + dev_warn(&pdev->dev, "allocation for second device failed\n"); + else if ((err = register_netdev(dev1))) { + dev_warn(&pdev->dev, + "register of second port failed (%d)\n", err); hw->dev[1] = NULL; free_netdev(dev1); - } + } else + sky2_show_addr(dev1); } setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); @@ -3555,7 +3645,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev) unregister_netdev(dev1); unregister_netdev(dev0); - sky2_set_power_state(hw, PCI_D3hot); + sky2_power_aux(hw); + sky2_write16(hw, B0_Y2LED, LED_STAT_OFF); sky2_write8(hw, B0_CTST, CS_RST_SET); sky2_read8(hw, B0_CTST); @@ -3580,27 +3671,31 @@ static void __devexit sky2_remove(struct pci_dev *pdev) static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) { struct sky2_hw *hw = pci_get_drvdata(pdev); - int i; - pci_power_t pstate = pci_choose_state(pdev, state); - - if (!(pstate == PCI_D3hot || pstate == PCI_D3cold)) - return -EINVAL; + int i, wol = 0; del_timer_sync(&hw->idle_timer); netif_poll_disable(hw->dev[0]); for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; + struct sky2_port *sky2 = netdev_priv(dev); - if (netif_running(dev)) { + if (netif_running(dev)) sky2_down(dev); - netif_device_detach(dev); - } + + if (sky2->wol) + sky2_wol_init(sky2); + + wol |= sky2->wol; } sky2_write32(hw, B0_IMSK, 0); + sky2_power_aux(hw); + pci_save_state(pdev); - sky2_set_power_state(hw, pstate); + pci_enable_wake(pdev, pci_choose_state(pdev, state), wol); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + return 0; } @@ -3609,21 +3704,22 @@ static int sky2_resume(struct pci_dev *pdev) struct sky2_hw *hw = pci_get_drvdata(pdev); int i, err; - pci_restore_state(pdev); - pci_enable_wake(pdev, PCI_D0, 0); - sky2_set_power_state(hw, PCI_D0); + err = pci_set_power_state(pdev, PCI_D0); + if (err) + goto out; - err = sky2_reset(hw); + err = pci_restore_state(pdev); if (err) goto out; + pci_enable_wake(pdev, PCI_D0, 0); + sky2_reset(hw); + sky2_write32(hw, B0_IMSK, Y2_IS_BASE); for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; if (netif_running(dev)) { - netif_device_attach(dev); - err = sky2_up(dev); if (err) { printk(KERN_ERR PFX "%s: could not up: %d\n", @@ -3636,11 +3732,43 @@ static int sky2_resume(struct pci_dev *pdev) netif_poll_enable(hw->dev[0]); sky2_idle_start(hw); + return 0; out: + dev_err(&pdev->dev, "resume failed (%d)\n", err); + pci_disable_device(pdev); return err; } #endif +static void sky2_shutdown(struct pci_dev *pdev) +{ + struct sky2_hw *hw = pci_get_drvdata(pdev); + int i, wol = 0; + + del_timer_sync(&hw->idle_timer); + netif_poll_disable(hw->dev[0]); + + for (i = 0; i < hw->ports; i++) { + struct net_device *dev = hw->dev[i]; + struct sky2_port *sky2 = netdev_priv(dev); + + if (sky2->wol) { + wol = 1; + sky2_wol_init(sky2); + } + } + + if (wol) + sky2_power_aux(hw); + + pci_enable_wake(pdev, PCI_D3hot, wol); + pci_enable_wake(pdev, PCI_D3cold, wol); + + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + +} + static struct pci_driver sky2_driver = { .name = DRV_NAME, .id_table = sky2_id_table, @@ -3650,6 +3778,7 @@ static struct pci_driver sky2_driver = { .suspend = sky2_suspend, .resume = sky2_resume, #endif + .shutdown = sky2_shutdown, }; static int __init sky2_init_module(void) |