From: Stephen Hemminger <shemminger@osdl.org>
Date: Tue, 8 Nov 2005 18:33:43 +0000 (-0800)
Subject: [PATCH] skge: goto low power mode on shutdown
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=355ec57243574c439a4b731fc83af6165ec2f1ec;p=linux-beck.git

[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>
---

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index a1cfead5827b..ea68d4d3d57c 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);