From 355ec57243574c439a4b731fc83af6165ec2f1ec Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 8 Nov 2005 10:33:43 -0800 Subject: [PATCH] [PATCH] skge: goto low power mode on shutdown Go into power down mode on shutdown. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/skge.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/net/skge.c b/drivers/net/skge.c index a1cfead582..ea68d4d3d5 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -1804,6 +1804,25 @@ static void yukon_mac_init(struct skge_hw *hw, int port) skge_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); } +/* Go into power down mode */ +static void yukon_suspend(struct skge_hw *hw, int port) +{ + u16 ctrl; + + ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL); + ctrl |= PHY_M_PC_POL_R_DIS; + gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl); + + ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL); + ctrl |= PHY_CT_RESET; + gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); + + /* switch IEEE compatible power down mode on */ + ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL); + ctrl |= PHY_CT_PDOWN; + gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl); +} + static void yukon_stop(struct skge_port *skge) { struct skge_hw *hw = skge->hw; @@ -1817,14 +1836,7 @@ static void yukon_stop(struct skge_port *skge) & ~(GM_GPCR_TX_ENA|GM_GPCR_RX_ENA)); gma_read16(hw, port, GM_GP_CTRL); - if (hw->chip_id == CHIP_ID_YUKON_LITE && - hw->chip_rev >= CHIP_REV_YU_LITE_A3) { - u32 io = skge_read32(hw, B2_GP_IO); - - io |= GP_DIR_9 | GP_IO_9; - skge_write32(hw, B2_GP_IO, io); - skge_read32(hw, B2_GP_IO); - } + yukon_suspend(hw, port); /* set GPHY Control reset */ skge_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET); -- 2.39.5