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[PATCH] skge: goto low power mode on shutdown 

Go into power down mode on shutdown.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Stephen Hemminger 2005-11-08 10:33:43 -08:00 committed by Jeff Garzik
parent 2cd8e5d365
commit 355ec57243
1 changed files with 20 additions and 8 deletions
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28
drivers/net/skge.c
View File

@ -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);