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[PATCH] sky2: yukon-ec-u chipset initialization

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Add more complete setup code for Yukon EC_U chipset.
Based on matching code in 8.31 code in SysKonnect vendor driver.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
This commit is contained in:
Stephen Hemminger
2006-02-22 11:44:58 -08:00
committed by Francois Romieu
parent c45ec65660
commit 977bdf06ca
2 changed files with 91 additions and 20 deletions
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52
drivers/net/sky2.c
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@@ -232,7 +232,17 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
if (hw->ports > 1)
reg1 |= PCI_Y2_PHY2_COMA;
}
if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
pci_write_config_dword(hw->pdev, PCI_DEV_REG3, 0);
pci_read_config_dword(hw->pdev, PCI_DEV_REG4, &reg1);
reg1 &= P_ASPM_CONTROL_MSK;
pci_write_config_dword(hw->pdev, PCI_DEV_REG4, reg1);
pci_write_config_dword(hw->pdev, PCI_DEV_REG5, 0);
}
pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1);
break;
case PCI_D3hot:
@@ -463,16 +473,31 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
ledover |= PHY_M_LED_MO_RX(MO_LED_OFF);
}
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl);
if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) {
/* apply fixes in PHY AFE */
gm_phy_write(hw, port, 22, 255);
/* increase differential signal amplitude in 10BASE-T */
gm_phy_write(hw, port, 24, 0xaa99);
gm_phy_write(hw, port, 23, 0x2011);
/* fix for IEEE A/B Symmetry failure in 1000BASE-T */
gm_phy_write(hw, port, 24, 0xa204);
gm_phy_write(hw, port, 23, 0x2002);
/* set page register to 0 */
gm_phy_write(hw, port, 22, 0);
} else {
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl);
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);
}
if (ledover)
gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover);
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);
}
if (ledover)
gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover);
/* Enable phy interrupt on auto-negotiation complete (or link up) */
if (sky2->autoneg == AUTONEG_ENABLE)
gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL);
@@ -953,6 +978,12 @@ static int sky2_rx_start(struct sky2_port *sky2)
sky2->rx_put = sky2->rx_next = 0;
sky2_qset(hw, rxq);
if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) {
/* MAC Rx RAM Read is controlled by hardware */
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);
rx_set_checksum(sky2);
@@ -1035,9 +1066,10 @@ static int sky2_up(struct net_device *dev)
RB_RST_SET);
sky2_qset(hw, txqaddr[port]);
if (hw->chip_id == CHIP_ID_YUKON_EC_U)
sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0);
/* Set almost empty threshold */
if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == 1)
sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0);
sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map,
TX_RING_SIZE - 1);