sky2: put PHY in sleep when down
Put PHY int sleep mode (from vendor sk98lin 10.50 driver) when the network device is brought down. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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@ -641,11 +641,47 @@ static void sky2_phy_power_up(struct sky2_hw *hw, unsigned port)
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static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port)
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{
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u32 reg1;
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u16 ctrl;
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/* release GPHY Control reset */
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sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR);
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/* release GMAC reset */
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sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
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if (hw->flags & SKY2_HW_NEWER_PHY) {
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/* select page 2 to access MAC control register */
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gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
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ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
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/* allow GMII Power Down */
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ctrl &= ~PHY_M_MAC_GMIF_PUP;
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gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
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/* set page register back to 0 */
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gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0);
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}
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/* setup General Purpose Control Register */
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gma_write16(hw, port, GM_GP_CTRL,
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GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS);
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if (hw->chip_id != CHIP_ID_YUKON_EC) {
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if (hw->chip_id == CHIP_ID_YUKON_EC_U) {
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ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
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/* enable Power Down */
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ctrl |= PHY_M_PC_POW_D_ENA;
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gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
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}
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/* set IEEE compatible Power Down Mode (dev. #4.99) */
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gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_PDOWN);
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}
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sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
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reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
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reg1 |= phy_power[port];
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reg1 |= phy_power[port]; /* set PHY to PowerDown/COMA Mode */
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sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
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sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
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}
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@ -1143,6 +1143,12 @@ enum {
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PHY_M_PC_ENA_AUTO = 3, /* 11 = Enable Automatic Crossover */
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};
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/* for Yukon-EC Ultra Gigabit Ethernet PHY (88E1149 only) */
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enum {
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PHY_M_PC_COP_TX_DIS = 1<<3, /* Copper Transmitter Disable */
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PHY_M_PC_POW_D_ENA = 1<<2, /* Power Down Enable */
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};
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/* for 10/100 Fast Ethernet PHY (88E3082 only) */
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enum {
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PHY_M_PC_ENA_DTE_DT = 1<<15, /* Enable Data Terminal Equ. (DTE) Detect */
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@ -1411,6 +1417,7 @@ enum {
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/***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/
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enum {
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PHY_M_MAC_MD_MSK = 7<<7, /* Bit 9.. 7: Mode Select Mask */
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PHY_M_MAC_GMIF_PUP = 1<<3, /* GMII Power Up (88E1149 only) */
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PHY_M_MAC_MD_AUTO = 3,/* Auto Copper/1000Base-X */
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PHY_M_MAC_MD_COPPER = 5,/* Copper only */
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PHY_M_MAC_MD_1000BX = 7,/* 1000Base-X only */
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