diff options
| author | Stephen Hemminger <shemminger@vyatta.com> | 2008-05-14 17:04:16 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-05-30 22:19:16 -0400 |
| commit | db99b98885e717454feef1c6868b27d3f23c2e7c (patch) | |
| tree | ee50eaa8f08be7c60342a19a646782a52e33c98d | |
| parent | b96936da7a8911cfa29225aa4dc380aba1b8a86e (diff) | |
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>
| -rw-r--r-- | drivers/net/sky2.c | 40 | ||||
| -rw-r--r-- | drivers/net/sky2.h | 7 |
2 files changed, 45 insertions, 2 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index ad35674ba83..59cb9cd00ad 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -641,11 +641,47 @@ static void sky2_phy_power_up(struct sky2_hw *hw, unsigned port) static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port) { u32 reg1; + u16 ctrl; + + /* release GPHY Control reset */ + sky2_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR); + + /* release GMAC reset */ + sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR); + + if (hw->flags & SKY2_HW_NEWER_PHY) { + /* select page 2 to access MAC control register */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2); + + ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + /* allow GMII Power Down */ + ctrl &= ~PHY_M_MAC_GMIF_PUP; + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + + /* set page register back to 0 */ + gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 0); + } + + /* setup General Purpose Control Register */ + gma_write16(hw, port, GM_GP_CTRL, + GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS); + + if (hw->chip_id != CHIP_ID_YUKON_EC) { + if (hw->chip_id == CHIP_ID_YUKON_EC_U) { + ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + + /* enable Power Down */ + ctrl |= PHY_M_PC_POW_D_ENA; + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + } + + /* set IEEE compatible Power Down Mode (dev. #4.99) */ + gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_PDOWN); + } sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); - reg1 |= phy_power[port]; - + reg1 |= phy_power[port]; /* set PHY to PowerDown/COMA Mode */ sky2_pci_write32(hw, PCI_DEV_REG1, reg1); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index c0a5eea2000..d63106cd74b 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -1143,6 +1143,12 @@ enum { PHY_M_PC_ENA_AUTO = 3, /* 11 = Enable Automatic Crossover */ }; +/* for Yukon-EC Ultra Gigabit Ethernet PHY (88E1149 only) */ +enum { + PHY_M_PC_COP_TX_DIS = 1<<3, /* Copper Transmitter Disable */ + PHY_M_PC_POW_D_ENA = 1<<2, /* Power Down Enable */ +}; + /* for 10/100 Fast Ethernet PHY (88E3082 only) */ enum { PHY_M_PC_ENA_DTE_DT = 1<<15, /* Enable Data Terminal Equ. (DTE) Detect */ @@ -1411,6 +1417,7 @@ enum { /***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/ enum { PHY_M_MAC_MD_MSK = 7<<7, /* Bit 9.. 7: Mode Select Mask */ + PHY_M_MAC_GMIF_PUP = 1<<3, /* GMII Power Up (88E1149 only) */ PHY_M_MAC_MD_AUTO = 3,/* Auto Copper/1000Base-X */ PHY_M_MAC_MD_COPPER = 5,/* Copper only */ PHY_M_MAC_MD_1000BX = 7,/* 1000Base-X only */ |