#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.75"
-#define DRV_MODULE_RELDATE "March 23, 2007"
+#define DRV_MODULE_VERSION "3.76"
+#define DRV_MODULE_RELDATE "May 5, 2007"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
{
int current_link_up = 0;
- if (!(mac_status & MAC_STATUS_PCS_SYNCED)) {
- tp->tg3_flags &= ~TG3_FLAG_GOT_SERDES_FLOWCTL;
+ if (!(mac_status & MAC_STATUS_PCS_SYNCED))
goto out;
- }
if (tp->link_config.autoneg == AUTONEG_ENABLE) {
u32 flags;
tg3_setup_flow_control(tp, local_adv, remote_adv);
- tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
current_link_up = 1;
}
for (i = 0; i < 30; i++) {
} else {
/* Forcing 1000FD link up. */
current_link_up = 1;
- tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL;
tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
udelay(40);
}
}
+ if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
+ u32 val = tr32(PCIE_PWR_MGMT_THRESH);
+ if (!netif_carrier_ok(tp->dev))
+ val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
+ tp->pwrmgmt_thresh;
+ else
+ val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
+ tw32(PCIE_PWR_MGMT_THRESH, val);
+ }
+
return err;
}
* Writing non-zero to intr-mbox-0 additional tells the
* NIC to stop sending us irqs, engaging "in-intr-handler"
* event coalescing.
+ *
+ * Flush the mailbox to de-assert the IRQ immediately to prevent
+ * spurious interrupts. The flush impacts performance but
+ * excessive spurious interrupts can be worse in some cases.
*/
- tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+ tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
if (tg3_irq_sync(tp))
goto out;
sblk->status &= ~SD_STATUS_UPDATED;
* writing non-zero to intr-mbox-0 additional tells the
* NIC to stop sending us irqs, engaging "in-intr-handler"
* event coalescing.
+ *
+ * Flush the mailbox to de-assert the IRQ immediately to prevent
+ * spurious interrupts. The flush impacts performance but
+ * excessive spurious interrupts can be worse in some cases.
*/
- tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+ tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
if (tg3_irq_sync(tp))
goto out;
if (netif_rx_schedule_prep(dev)) {
unsigned int restart_timer;
tg3_full_lock(tp, 0);
- tp->tg3_flags |= TG3_FLAG_IN_RESET_TASK;
if (!netif_running(tp->dev)) {
- tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
tg3_full_unlock(tp);
return;
}
mod_timer(&tp->timer, jiffies + 1);
out:
- tp->tg3_flags &= ~TG3_FLAG_IN_RESET_TASK;
-
tg3_full_unlock(tp);
}
if (err)
return err;
- if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
- (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_AX) &&
- (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5750_BX) &&
- !((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) &&
- (tp->pdev_peer == tp->pdev))) {
+ if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
/* All MSI supporting chips should support tagged
* status. Assert that this is the case.
*/
{
struct tg3 *tp = netdev_priv(dev);
- /* Calling flush_scheduled_work() may deadlock because
- * linkwatch_event() may be on the workqueue and it will try to get
- * the rtnl_lock which we are holding.
- */
- while (tp->tg3_flags & TG3_FLAG_IN_RESET_TASK)
- msleep(1);
+ cancel_work_sync(&tp->reset_task);
netif_stop_queue(dev);
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_free_rings(tp);
- tp->tg3_flags &=
- ~(TG3_FLAG_INIT_COMPLETE |
- TG3_FLAG_GOT_SERDES_FLOWCTL);
+ tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
tg3_full_unlock(tp);
tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
}
+ if (tr32(VCPU_CFGSHDW) & VCPU_CFGSHDW_ASPM_DBNC)
+ tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
return;
}
/* bootcode if bit 18 is set */
if (cfg2 & (1 << 18))
tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
+
+ if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
+ u32 cfg3;
+
+ tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
+ if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
+ tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
+ }
}
}
}
}
+static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
+
static int __devinit tg3_get_invariants(struct tg3 *tp)
{
static struct pci_device_id write_reorder_chipsets[] = {
tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
+ if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
+ tp->pdev_peer = tg3_find_peer(tp);
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
+ tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
+ if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
+ GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
+ tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
+ tp->pdev_peer == tp->pdev))
+ tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
- /* Back to back register writes can cause problems on this chip,
- * the workaround is to read back all reg writes except those to
- * mailbox regs. See tg3_write_indirect_reg32().
- *
- * PCI Express 5750_A0 rev chips need this workaround too.
- */
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
- ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
- tp->pci_chip_rev_id == CHIPREV_ID_5750_A0))
- tp->tg3_flags |= TG3_FLAG_5701_REG_WRITE_BUG;
-
if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
/* Various workaround register access methods */
if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
tp->write32 = tg3_write_indirect_reg32;
- else if (tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG)
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
+ ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
+ tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
+ /*
+ * Back to back register writes can cause problems on these
+ * chips, the workaround is to read back all reg writes
+ * except those to mailbox regs.
+ *
+ * See tg3_write_indirect_reg32().
+ */
tp->write32 = tg3_write_flush_reg32;
+ }
+
if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
*/
tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
+ if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
+ tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
+ PCIE_PWR_MGMT_L1_THRESH_MSK;
+
return err;
}
tp->rx_pending = 63;
}
- if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
- (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
- tp->pdev_peer = tg3_find_peer(tp);
-
err = tg3_get_device_address(tp);
if (err) {
printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
projects / linux-2.6-omap-h63xx.git / blobdiff