X-Git-Url: http://bbs.cooldavid.org/git/?p=jme.git;a=blobdiff_plain;f=jme.c;h=3ebfd490ec13f2cfbf5f1ad1fd777bde06ebad74;hp=89c1ab7dd6f71df41b154ff65d44f2a2c22068d2;hb=44d4458964df5c12bf527b8b3b17eda4c098d54e;hpb=55d197994cdde062c81298badde27b4ccc7907c7

diff --git a/jme.c b/jme.c
index 89c1ab7..3ebfd49 100644
--- a/jme.c
+++ b/jme.c
@@ -163,6 +163,67 @@ jme_setup_wakeup_frame(struct jme_adapter *jme,
 	}
 }
 
+static inline void
+jme_mac_rxclk_off(struct jme_adapter *jme)
+{
+	jme->reg_gpreg1 |= GPREG1_RXCLKOFF;
+	jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1);
+}
+
+static inline void
+jme_mac_rxclk_on(struct jme_adapter *jme)
+{
+	jme->reg_gpreg1 &= ~GPREG1_RXCLKOFF;
+	jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1);
+}
+
+static inline void
+jme_mac_txclk_off(struct jme_adapter *jme)
+{
+	jme->reg_ghc &= ~(GHC_TO_CLK_SRC | GHC_TXMAC_CLK_SRC);
+	jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_mac_txclk_on(struct jme_adapter *jme)
+{
+	u32 speed = jme->reg_ghc & GHC_SPEED;
+	if (speed == GHC_SPEED_1000M)
+		jme->reg_ghc |= GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY;
+	else
+		jme->reg_ghc |= GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
+	jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_reset_ghc_speed(struct jme_adapter *jme)
+{
+	jme->reg_ghc &= ~(GHC_SPEED | GHC_DPX);
+	jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_reset_250A2_workaround(struct jme_adapter *jme)
+{
+	jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH |
+			     GPREG1_RSSPATCH);
+	jwrite32(jme, JME_GPREG1, jme->reg_gpreg1);
+}
+
+static inline void
+jme_assert_ghc_reset(struct jme_adapter *jme)
+{
+	jme->reg_ghc |= GHC_SWRST;
+	jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
+static inline void
+jme_clear_ghc_reset(struct jme_adapter *jme)
+{
+	jme->reg_ghc &= ~GHC_SWRST;
+	jwrite32f(jme, JME_GHC, jme->reg_ghc);
+}
+
 static inline void
 jme_reset_mac_processor(struct jme_adapter *jme)
 {
@@ -171,9 +232,24 @@ jme_reset_mac_processor(struct jme_adapter *jme)
 	u32 gpreg0;
 	int i;
 
-	jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST);
-	udelay(2);
-	jwrite32(jme, JME_GHC, jme->reg_ghc);
+	jme_reset_ghc_speed(jme);
+	jme_reset_250A2_workaround(jme);
+
+	jme_mac_rxclk_on(jme);
+	jme_mac_txclk_on(jme);
+	udelay(1);
+	jme_assert_ghc_reset(jme);
+	udelay(1);
+	jme_mac_rxclk_off(jme);
+	jme_mac_txclk_off(jme);
+	udelay(1);
+	jme_clear_ghc_reset(jme);
+	udelay(1);
+	jme_mac_rxclk_on(jme);
+	jme_mac_txclk_on(jme);
+	udelay(1);
+	jme_mac_rxclk_off(jme);
+	jme_mac_txclk_off(jme);
 
 	jwrite32(jme, JME_RXDBA_LO, 0x00000000);
 	jwrite32(jme, JME_RXDBA_HI, 0x00000000);
@@ -193,14 +269,6 @@ jme_reset_mac_processor(struct jme_adapter *jme)
 	else
 		gpreg0 = GPREG0_DEFAULT;
 	jwrite32(jme, JME_GPREG0, gpreg0);
-	jwrite32(jme, JME_GPREG1, GPREG1_DEFAULT);
-}
-
-static inline void
-jme_reset_ghc_speed(struct jme_adapter *jme)
-{
-	jme->reg_ghc &= ~(GHC_SPEED_1000M | GHC_DPX);
-	jwrite32(jme, JME_GHC, jme->reg_ghc);
 }
 
 static inline void
@@ -354,7 +422,7 @@ static int
 jme_check_link(struct net_device *netdev, int testonly)
 {
 	struct jme_adapter *jme = netdev_priv(netdev);
-	u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr, gpreg1;
+	u32 phylink, cnt = JME_SPDRSV_TIMEOUT, bmcr;
 	char linkmsg[64];
 	int rc = 0;
 
@@ -417,23 +485,21 @@ jme_check_link(struct net_device *netdev, int testonly)
 
 		jme->phylink = phylink;
 
-		ghc = jme->reg_ghc & ~(GHC_SPEED | GHC_DPX |
-				GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE |
-				GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY);
+		/*
+		 * The speed/duplex setting of jme->reg_ghc already cleared
+		 * by jme_reset_mac_processor()
+		 */
 		switch (phylink & PHY_LINK_SPEED_MASK) {
 		case PHY_LINK_SPEED_10M:
-			ghc |= GHC_SPEED_10M |
-				GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
+			jme->reg_ghc |= GHC_SPEED_10M;
 			strcat(linkmsg, "10 Mbps, ");
 			break;
 		case PHY_LINK_SPEED_100M:
-			ghc |= GHC_SPEED_100M |
-				GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE;
+			jme->reg_ghc |= GHC_SPEED_100M;
 			strcat(linkmsg, "100 Mbps, ");
 			break;
 		case PHY_LINK_SPEED_1000M:
-			ghc |= GHC_SPEED_1000M |
-				GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY;
+			jme->reg_ghc |= GHC_SPEED_1000M;
 			strcat(linkmsg, "1000 Mbps, ");
 			break;
 		default:
@@ -442,30 +508,31 @@ jme_check_link(struct net_device *netdev, int testonly)
 
 		if (phylink & PHY_LINK_DUPLEX) {
 			jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT);
-			ghc |= GHC_DPX;
+			jwrite32(jme, JME_TXTRHD, TXTRHD_FULLDUPLEX);
+			jme->reg_ghc |= GHC_DPX;
 		} else {
 			jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT |
 						TXMCS_BACKOFF |
 						TXMCS_CARRIERSENSE |
 						TXMCS_COLLISION);
-			jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN |
-				((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
-				TXTRHD_TXREN |
-				((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL));
+			jwrite32(jme, JME_TXTRHD, TXTRHD_HALFDUPLEX);
 		}
 
-		gpreg1 = GPREG1_DEFAULT;
+		jwrite32(jme, JME_GHC, jme->reg_ghc);
+
 		if (is_buggy250(jme->pdev->device, jme->chiprev)) {
+			jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH |
+					     GPREG1_RSSPATCH);
 			if (!(phylink & PHY_LINK_DUPLEX))
-				gpreg1 |= GPREG1_HALFMODEPATCH;
+				jme->reg_gpreg1 |= GPREG1_HALFMODEPATCH;
 			switch (phylink & PHY_LINK_SPEED_MASK) {
 			case PHY_LINK_SPEED_10M:
 				jme_set_phyfifo_8level(jme);
-				gpreg1 |= GPREG1_RSSPATCH;
+				jme->reg_gpreg1 |= GPREG1_RSSPATCH;
 				break;
 			case PHY_LINK_SPEED_100M:
 				jme_set_phyfifo_5level(jme);
-				gpreg1 |= GPREG1_RSSPATCH;
+				jme->reg_gpreg1 |= GPREG1_RSSPATCH;
 				break;
 			case PHY_LINK_SPEED_1000M:
 				jme_set_phyfifo_8level(jme);
@@ -474,10 +541,7 @@ jme_check_link(struct net_device *netdev, int testonly)
 				break;
 			}
 		}
-
-		jwrite32(jme, JME_GPREG1, gpreg1);
-		jwrite32(jme, JME_GHC, ghc);
-		jme->reg_ghc = ghc;
+		jwrite32(jme, JME_GPREG1, jme->reg_gpreg1);
 
 		strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ?
 					"Full-Duplex, " :
@@ -616,10 +680,14 @@ jme_enable_tx_engine(struct jme_adapter *jme)
 	 * Enable TX Engine
 	 */
 	wmb();
-	jwrite32(jme, JME_TXCS, jme->reg_txcs |
+	jwrite32f(jme, JME_TXCS, jme->reg_txcs |
 				TXCS_SELECT_QUEUE0 |
 				TXCS_ENABLE);
 
+	/*
+	 * Start clock for TX MAC Processor
+	 */
+	jme_mac_txclk_on(jme);
 }
 
 static inline void
@@ -654,6 +722,11 @@ jme_disable_tx_engine(struct jme_adapter *jme)
 
 	if (!i)
 		pr_err("Disable TX engine timeout\n");
+
+	/*
+	 * Stop clock for TX MAC Processor
+	 */
+	jme_mac_txclk_off(jme);
 }
 
 static void
@@ -837,10 +910,15 @@ jme_enable_rx_engine(struct jme_adapter *jme)
 	 * Enable RX Engine
 	 */
 	wmb();
-	jwrite32(jme, JME_RXCS, jme->reg_rxcs |
+	jwrite32f(jme, JME_RXCS, jme->reg_rxcs |
 				RXCS_QUEUESEL_Q0 |
 				RXCS_ENABLE |
 				RXCS_QST);
+
+	/*
+	 * Start clock for RX MAC Processor
+	 */
+	jme_mac_rxclk_on(jme);
 }
 
 static inline void
@@ -877,6 +955,10 @@ jme_disable_rx_engine(struct jme_adapter *jme)
 	if (!i)
 		pr_err("Disable RX engine timeout\n");
 
+	/*
+	 * Stop clock for RX MAC Processor
+	 */
+	jme_mac_rxclk_off(jme);
 }
 
 static int
@@ -1217,7 +1299,6 @@ jme_link_change_tasklet(unsigned long arg)
 	tasklet_disable(&jme->rxempty_task);
 
 	if (netif_carrier_ok(netdev)) {
-		jme_reset_ghc_speed(jme);
 		jme_disable_rx_engine(jme);
 		jme_disable_tx_engine(jme);
 		jme_reset_mac_processor(jme);
@@ -1763,7 +1844,6 @@ jme_close(struct net_device *netdev)
 	tasklet_disable(&jme->rxclean_task);
 	tasklet_disable(&jme->rxempty_task);
 
-	jme_reset_ghc_speed(jme);
 	jme_disable_rx_engine(jme);
 	jme_disable_tx_engine(jme);
 	jme_reset_mac_processor(jme);
@@ -3060,6 +3140,7 @@ jme_init_one(struct pci_dev *pdev,
 	jme->reg_rxmcs = RXMCS_DEFAULT;
 	jme->reg_txpfc = 0;
 	jme->reg_pmcs = PMCS_MFEN;
+	jme->reg_gpreg1 = GPREG1_DEFAULT;
 	set_bit(JME_FLAG_TXCSUM, &jme->flags);
 	set_bit(JME_FLAG_TSO, &jme->flags);
 
@@ -3226,7 +3307,6 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state)
 			jme_polling_mode(jme);
 
 		jme_stop_pcc_timer(jme);
-		jme_reset_ghc_speed(jme);
 		jme_disable_rx_engine(jme);
 		jme_disable_tx_engine(jme);
 		jme_reset_mac_processor(jme);
@@ -3242,7 +3322,11 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	pci_save_state(pdev);
 	jme_powersave_phy(jme);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)
 	pci_enable_wake(pdev, PCI_D3hot, true);
+#else
+	pci_pme_active(pdev, true);
+#endif
 	pci_set_power_state(pdev, PCI_D3hot);
 
 	return 0;