diff options
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 117 |
1 files changed, 60 insertions, 57 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 842abd9..fb1d2c3 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -100,33 +100,32 @@ module_param(idle_timeout, int, 0); MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)"); static const struct pci_device_id sky2_id_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, - { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, + { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */ + { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */ { 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_MARVELL, 0x4340) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, - { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) }, + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */ { 0 } }; @@ -522,7 +521,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */ ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL; /* turn off the Rx LED (LED_RX) */ - ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); + ledover &= ~PHY_M_LED_MO_RX; } if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) { @@ -545,7 +544,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { /* turn on 100 Mbps LED (LED_LINK100) */ - ledover |= PHY_M_LED_MO_100(MO_LED_ON); + ledover |= PHY_M_LED_MO_100; } if (ledover) @@ -697,10 +696,15 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) } -/* Assign Ram Buffer allocation in units of 64bit (8 bytes) */ -static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end) +/* Assign Ram Buffer allocation to queue */ +static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space) { - pr_debug(PFX "q %d %#x %#x\n", q, start, end); + u32 end; + + /* convert from K bytes to qwords used for hw register */ + start *= 1024/8; + space *= 1024/8; + end = start + space - 1; sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR); sky2_write32(hw, RB_ADDR(q, RB_START), start); @@ -709,7 +713,6 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end) sky2_write32(hw, RB_ADDR(q, RB_RP), start); if (q == Q_R1 || q == Q_R2) { - u32 space = end - start + 1; u32 tp = space - space/4; /* On receive queue's set the thresholds @@ -1059,11 +1062,16 @@ static int sky2_rx_start(struct sky2_port *sky2) sky2->rx_put = sky2->rx_next = 0; sky2_qset(hw, rxq); + /* On PCI express lowering the watermark gives better performance */ + if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) + sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX); + + /* These chips have no ram buffer? + * MAC Rx RAM Read is controlled by hardware */ if (hw->chip_id == CHIP_ID_YUKON_EC_U && - (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) { - /* MAC Rx RAM Read is controlled by hardware */ + (hw->chip_rev == CHIP_REV_YU_EC_U_A1 + || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); - } sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); @@ -1139,7 +1147,7 @@ static int sky2_up(struct net_device *dev) struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; - u32 ramsize, rxspace, imask; + u32 ramsize, imask; int cap, err = -ENOMEM; struct net_device *otherdev = hw->dev[sky2->port^1]; @@ -1192,20 +1200,25 @@ static int sky2_up(struct net_device *dev) sky2_mac_init(hw, port); - /* Determine available ram buffer space in qwords. */ - ramsize = sky2_read8(hw, B2_E_0) * 4096/8; + /* Register is number of 4K blocks on internal RAM buffer. */ + ramsize = sky2_read8(hw, B2_E_0) * 4; + printk(KERN_INFO PFX "%s: ram buffer %dK\n", dev->name, ramsize); - if (ramsize > 6*1024/8) - rxspace = ramsize - (ramsize + 2) / 3; - else - rxspace = ramsize / 2; + if (ramsize > 0) { + u32 rxspace; - sky2_ramset(hw, rxqaddr[port], 0, rxspace-1); - sky2_ramset(hw, txqaddr[port], rxspace, ramsize-1); + if (ramsize < 16) + rxspace = ramsize / 2; + else + rxspace = 8 + (2*(ramsize - 16))/3; + + sky2_ramset(hw, rxqaddr[port], 0, rxspace); + sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace); - /* Make sure SyncQ is disabled */ - sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), - RB_RST_SET); + /* Make sure SyncQ is disabled */ + sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), + RB_RST_SET); + } sky2_qset(hw, txqaddr[port]); @@ -2917,18 +2930,8 @@ static void sky2_led(struct sky2_hw *hw, unsigned port, int on) default: gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0); - gm_phy_write(hw, port, PHY_MARV_LED_OVER, - on ? PHY_M_LED_MO_DUP(MO_LED_ON) | - PHY_M_LED_MO_10(MO_LED_ON) | - PHY_M_LED_MO_100(MO_LED_ON) | - PHY_M_LED_MO_1000(MO_LED_ON) | - PHY_M_LED_MO_RX(MO_LED_ON) - : PHY_M_LED_MO_DUP(MO_LED_OFF) | - PHY_M_LED_MO_10(MO_LED_OFF) | - PHY_M_LED_MO_100(MO_LED_OFF) | - PHY_M_LED_MO_1000(MO_LED_OFF) | - PHY_M_LED_MO_RX(MO_LED_OFF)); - + gm_phy_write(hw, port, PHY_MARV_LED_OVER, + on ? PHY_M_LED_ALL : 0); } } |
