---

yaml --- r: 65136 b: refs/heads/master c: e0c2811 h: refs/heads/master v: v3
git-mirror · Sep 25, 2007 · 08afaff · 08afaff
1 parent 2c57177
commit 08afaff
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Showing 3 changed files with 16 additions and 15 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6d3105d5388c359882068b161b431ab3db4b3721
+refs/heads/master: e0c281163d634e2982a81b55fc974a6663afde65
diff --git a/trunk/drivers/net/sky2.c b/trunk/drivers/net/sky2.c
@@ -826,7 +826,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
 	sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR);
 	sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON);
 
-	if (!(hw->flags & SKY2_HW_RAMBUFFER)) {
+	/* On chips without ram buffer, pause is controled by MAC level */
+	if (sky2_read8(hw, B2_E_0) == 0) {
 		sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8);
 		sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8);
 
@@ -1281,7 +1282,7 @@ static int sky2_up(struct net_device *dev)
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
 	unsigned port = sky2->port;
-	u32 imask;
+	u32 imask, ramsize;
 	int cap, err = -ENOMEM;
 	struct net_device *otherdev = hw->dev[sky2->port^1];
 
@@ -1336,13 +1337,12 @@ static int sky2_up(struct net_device *dev)
 
 	sky2_mac_init(hw, port);
 
-	if (hw->flags & SKY2_HW_RAMBUFFER) {
-		/* Register is number of 4K blocks on internal RAM buffer. */
-		u32 ramsize = sky2_read8(hw, B2_E_0) * 4;
+	/* Register is number of 4K blocks on internal RAM buffer. */
+	ramsize = sky2_read8(hw, B2_E_0) * 4;
+	if (ramsize > 0) {
 		u32 rxspace;
 
-		printk(KERN_DEBUG PFX "%s: ram buffer %dK\n", dev->name, ramsize);
-
+		pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize);
 		if (ramsize < 16)
 			rxspace = ramsize / 2;
 		else
@@ -2005,7 +2005,7 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
 
 	synchronize_irq(hw->pdev->irq);
 
-	if (!(hw->flags & SKY2_HW_RAMBUFFER))
+	if (sky2_read8(hw, B2_E_0) == 0)
 		sky2_set_tx_stfwd(hw, port);
 
 	ctl = gma_read16(hw, port, GM_GP_CTRL);
@@ -2536,7 +2536,7 @@ static void sky2_watchdog(unsigned long arg)
 			++active;
 
 			/* For chips with Rx FIFO, check if stuck */
-			if ((hw->flags & SKY2_HW_RAMBUFFER) &&
+			if ((hw->flags & SKY2_HW_FIFO_HANG_CHECK) &&
 			     sky2_rx_hung(dev)) {
 				pr_info(PFX "%s: receiver hang detected\n",
 					dev->name);
@@ -2694,8 +2694,10 @@ static int __devinit sky2_init(struct sky2_hw *hw)
 	switch(hw->chip_id) {
 	case CHIP_ID_YUKON_XL:
 		hw->flags = SKY2_HW_GIGABIT
-			| SKY2_HW_NEWER_PHY
-			| SKY2_HW_RAMBUFFER;
+			| SKY2_HW_NEWER_PHY;
+		if (hw->chip_rev < 3)
+			hw->flags |= SKY2_HW_FIFO_HANG_CHECK;
+
 		break;
 
 	case CHIP_ID_YUKON_EC_U:
@@ -2721,11 +2723,10 @@ static int __devinit sky2_init(struct sky2_hw *hw)
 			dev_err(&hw->pdev->dev, "unsupported revision Yukon-EC rev A1\n");
 			return -EOPNOTSUPP;
 		}
-		hw->flags = SKY2_HW_GIGABIT | SKY2_HW_RAMBUFFER;
+		hw->flags = SKY2_HW_GIGABIT | SKY2_HW_FIFO_HANG_CHECK;
 		break;
 
 	case CHIP_ID_YUKON_FE:
-		hw->flags = SKY2_HW_RAMBUFFER;
 		break;
 
 	case CHIP_ID_YUKON_FE_P:

diff --git a/trunk/drivers/net/sky2.h b/trunk/drivers/net/sky2.h
@@ -2063,7 +2063,7 @@ struct sky2_hw {
 #define SKY2_HW_FIBRE_PHY	0x00000002
 #define SKY2_HW_GIGABIT		0x00000004
 #define SKY2_HW_NEWER_PHY	0x00000008
-#define SKY2_HW_RAMBUFFER	0x00000010	/* chip has RAM FIFO */
+#define SKY2_HW_FIFO_HANG_CHECK	0x00000010
 #define SKY2_HW_NEW_LE		0x00000020	/* new LSOv2 format */
 #define SKY2_HW_AUTO_TX_SUM	0x00000040	/* new IP decode for Tx */
 #define SKY2_HW_ADV_POWER_CTL	0x00000080	/* additional PHY power regs */