[tg3] Fix driver for BCM5719, BCM5720, BCM5764M, BCM57762

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/net/tg3/tg3.c

@@ -247,11 +247,12 @@ static int tg3_open(struct net_device *dev)
 		return err;
 
 	tpr->rx_std_iob_cnt = 0;
-	tg3_refill_prod_ring(tp);
 
 	err = tg3_init_hw(tp, 1);
 	if (err != 0)
 		DBGC(tp->dev, "tg3_init_hw failed: %s\n", strerror(err));
+	else
+		tg3_refill_prod_ring(tp);
 
 	return err;
 }
@@ -301,7 +302,6 @@ static int tg3_transmit(struct net_device *dev, struct io_buffer *iob)
 	struct tg3 *tp = netdev_priv(dev);
 	u32 len, entry;
 	dma_addr_t mapping;
-	u32 bmsr;
 
 	if (tg3_tx_avail(tp) < 1) {
 		DBGC(dev, "Transmit ring full\n");
@@ -323,14 +323,10 @@ static int tg3_transmit(struct net_device *dev, struct io_buffer *iob)
 	/* Packets are ready, update Tx producer idx local and on card. */
 	tw32_tx_mbox(tp->prodmbox, entry);
 
-	writel(entry, tp->regs + MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
-
 	tp->tx_prod = entry;
 
 	mb();
 
-	tg3_readphy(tp, MII_BMSR, &bmsr);
-
 	return 0;
 }
 
@@ -422,8 +418,10 @@ static void tg3_refill_prod_ring(struct tg3 *tp)
 		tpr->rx_std_iob_cnt++;
 	}
 
-	tpr->rx_std_prod_idx = idx;
-	tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, idx);
+	if ((u32)idx != tpr->rx_std_prod_idx) {
+		tpr->rx_std_prod_idx = idx;
+		tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, idx);
+	}
 }
 
 static void tg3_rx_complete(struct net_device *dev)
@@ -469,7 +467,10 @@ static void tg3_rx_complete(struct net_device *dev)
 		tpr->rx_std_iob_cnt--;
 	}
 
-	tp->rx_rcb_ptr = sw_idx;
+	if (tp->rx_rcb_ptr != sw_idx) {
+		tw32_rx_mbox(tp->consmbox, sw_idx);
+		tp->rx_rcb_ptr = sw_idx;
+	}
 
 	tg3_refill_prod_ring(tp);
 }
@@ -480,7 +481,9 @@ static void tg3_poll(struct net_device *dev)
 	struct tg3 *tp = netdev_priv(dev);
 
 	/* ACK interrupts */
-	tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00);
+	/*
+	 *tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00);
+	 */
 	tp->hw_status->status &= ~SD_STATUS_UPDATED;
 
 	tg3_poll_link(tp);
@@ -905,6 +908,7 @@ static struct pci_device_id tg3_nics[] = {
 	PCI_ROM(0x14e4, 0x1684, "14e4-1684", "14e4-1684", 0),
 	PCI_ROM(0x14e4, 0x165b, "14e4-165b", "14e4-165b", 0),
 	PCI_ROM(0x14e4, 0x1681, "14e4-1681", "14e4-1681", 0),
+	PCI_ROM(0x14e4, 0x1682, "14e4-1682", "14e4-1682", 0),
 	PCI_ROM(0x14e4, 0x1680, "14e4-1680", "14e4-1680", 0),
 	PCI_ROM(0x14e4, 0x1688, "14e4-1688", "14e4-1688", 0),
 	PCI_ROM(0x14e4, 0x1689, "14e4-1689", "14e4-1689", 0),

src/drivers/net/tg3/tg3.h

@@ -153,6 +153,7 @@
 #define TG3_BDINFO_NIC_ADDR		0xcUL /* 32-bit */
 #define TG3_BDINFO_SIZE			0x10UL
 
+#define RX_STD_MAX_SIZE                 1536
 #define TG3_RX_STD_MAX_SIZE_5700	512
 #define TG3_RX_STD_MAX_SIZE_5717	2048
 #define TG3_RX_JMB_MAX_SIZE_5700	256
@@ -182,6 +183,7 @@
 #define  TG3PCI_DEVICE_TIGON3_57781	 0x16b1
 #define  TG3PCI_DEVICE_TIGON3_57785	 0x16b5
 #define  TG3PCI_DEVICE_TIGON3_57761	 0x16b0
+#define  TG3PCI_DEVICE_TIGON3_57762	 0x1682
 #define  TG3PCI_DEVICE_TIGON3_57765	 0x16b4
 #define  TG3PCI_DEVICE_TIGON3_57791	 0x16b2
 #define  TG3PCI_DEVICE_TIGON3_57795	 0x16b6

src/drivers/net/tg3/tg3_hw.c

@@ -434,6 +434,7 @@ int tg3_get_invariants(struct tg3 *tp)
 		else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
 			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
 			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
+			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57762 ||
 			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
 			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
 			 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
@@ -2127,9 +2128,12 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 
 	val = TG3_RX_STD_MAX_SIZE_5700 << BDINFO_FLAGS_MAXLEN_SHIFT;
 
+	if (tg3_flag(tp, 57765_PLUS))
+		val |= (RX_STD_MAX_SIZE << 2);
+
 	tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
 
-	tpr->rx_std_prod_idx = TG3_DEF_RX_RING_PENDING;
+	tpr->rx_std_prod_idx = 0;
 
 	/* std prod index is updated by tg3_refill_prod_ring() */
 	tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, 0);
@@ -2137,6 +2141,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 
 	tg3_rings_reset(tp);
 
+	__tg3_set_mac_addr(tp,0);
+
 #define	TG3_MAX_MTU	1522
 	/* MTU + ethernet header + FCS + optional VLAN tag */
 	tw32(MAC_RX_MTU_SIZE, TG3_MAX_MTU);

src/drivers/net/tg3/tg3_phy.c

@@ -1008,12 +1008,11 @@ skip_phy_reset:
 void tg3_poll_link(struct tg3 *tp)
 {	DBGP("%s\n", __func__);
 
-	u32 mac_stat;
-
-	mac_stat = tr32(MAC_STATUS);
-
-	if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
+	if (tp->hw_status->status & SD_STATUS_LINK_CHG) {
+		DBGC(tp->dev,"link_changed\n");
+		tp->hw_status->status &= ~SD_STATUS_LINK_CHG;
 		tg3_setup_phy(tp, 0);
+	}
 }
 
 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
@@ -1506,9 +1505,8 @@ relink:
 	tw32_f(MAC_MODE, tp->mac_mode);
 	udelay(40);
 
-	/* We always use the link change register */
-	/* NOTE: this freezes for mdc? */
-	tw32_f(MAC_EVENT, 0);
+	/* Enabled attention when the link has changed state. */
+	tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
 	udelay(40);
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&