if (!(tmp & EEPROM_ADDR_COMPLETE))
return -EBUSY;
- *val = tr32(GRC_EEPROM_DATA);
+ tmp = tr32(GRC_EEPROM_DATA);
+
+ /*
+ * The data will always be opposite the native endian
+ * format. Perform a blind byteswap to compensate.
+ */
+ *val = swab32(tmp);
+
return 0;
}
* so we must read it before checking for more work.
*/
tp->last_tag = sblk->status_tag;
+ tp->last_irq_tag = tp->last_tag;
rmb();
} else
sblk->status &= ~SD_STATUS_UPDATED;
* Reading the PCI State register will confirm whether the
* interrupt is ours and will flush the status block.
*/
- if (unlikely(sblk->status_tag == tp->last_tag)) {
+ if (unlikely(sblk->status_tag == tp->last_irq_tag)) {
if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
handled = 0;
* excessive spurious interrupts can be worse in some cases.
*/
tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+
+ /*
+ * In a shared interrupt configuration, sometimes other devices'
+ * interrupts will scream. We record the current status tag here
+ * so that the above check can report that the screaming interrupts
+ * are unhandled. Eventually they will be silenced.
+ */
+ tp->last_irq_tag = sblk->status_tag;
+
if (tg3_irq_sync(tp))
goto out;
- if (napi_schedule_prep(&tp->napi)) {
- prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
- /* Update last_tag to mark that this status has been
- * seen. Because interrupt may be shared, we may be
- * racing with tg3_poll(), so only update last_tag
- * if tg3_poll() is not scheduled.
- */
- tp->last_tag = sblk->status_tag;
- __napi_schedule(&tp->napi);
- }
+
+ prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
+
+ napi_schedule(&tp->napi);
+
out:
return IRQ_RETVAL(handled);
}
tp->hw_status->status_tag = 0;
}
tp->last_tag = 0;
+ tp->last_irq_tag = 0;
smp_mb();
synchronize_irq(tp->pdev->irq);
tw32(TG3_CPMU_HST_ACC, val);
}
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
+ val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
+ val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
+ PCIE_PWR_MGMT_L1_THRESH_4MS;
+ tw32(PCIE_PWR_MGMT_THRESH, val);
+ }
+
/* This works around an issue with Athlon chipsets on
* B3 tigon3 silicon. This bit has no effect on any
* other revision. But do not set this on PCI Express
udelay(100);
tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
- tp->last_tag = 0;
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
u32 i, offset, len, b_offset, b_count;
__be32 val;
+ if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
+ return -EINVAL;
+
if (tp->link_config.phy_is_low_power)
return -EAGAIN;
if (tp->link_config.phy_is_low_power)
return -EAGAIN;
- if (eeprom->magic != TG3_EEPROM_MAGIC)
+ if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
+ eeprom->magic != TG3_EEPROM_MAGIC)
return -EINVAL;
offset = eeprom->offset;
__be32 *buf;
int i, j, k, err = 0, size;
+ if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
+ return 0;
+
if (tg3_nvram_read(tp, 0, &magic) != 0)
return -EIO;
{
u32 val;
- if (tg3_nvram_read(tp, 0, &val) != 0)
+ if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
+ tg3_nvram_read(tp, 0, &val) != 0)
return;
/* Selfboot format */
}
break;
default:
+ tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
return;
}
memcpy(&data, buf + i, 4);
- tw32(GRC_EEPROM_DATA, be32_to_cpu(data));
+ /*
+ * The SEEPROM interface expects the data to always be opposite
+ * the native endian format. We accomplish this by reversing
+ * all the operations that would have been performed on the
+ * data from a call to tg3_nvram_read_be32().
+ */
+ tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
val = tr32(GRC_EEPROM_ADDR);
tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
unsigned int i;
u32 magic;
- if (tg3_nvram_read(tp, 0x0, &magic))
+ if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
+ tg3_nvram_read(tp, 0x0, &magic))
goto out_not_found;
if (magic == TG3_EEPROM_MAGIC) {
out_not_found:
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
strcpy(tp->board_part_number, "BCM95906");
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
+ tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
+ strcpy(tp->board_part_number, "BCM57780");
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
+ tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
+ strcpy(tp->board_part_number, "BCM57760");
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 &&
+ tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
+ strcpy(tp->board_part_number, "BCM57790");
else
strcpy(tp->board_part_number, "none");
}
{
u32 val;
+ if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
+ tp->fw_ver[0] = 's';
+ tp->fw_ver[1] = 'b';
+ tp->fw_ver[2] = '\0';
+
+ return;
+ }
+
if (tg3_nvram_read(tp, 0, &val))
return;
}
if (!addr_ok) {
/* Next, try NVRAM. */
- if (!tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
+ if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
+ !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
!tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
- dev->dev_addr[0] = ((hi >> 16) & 0xff);
- dev->dev_addr[1] = ((hi >> 24) & 0xff);
- dev->dev_addr[2] = ((lo >> 0) & 0xff);
- dev->dev_addr[3] = ((lo >> 8) & 0xff);
- dev->dev_addr[4] = ((lo >> 16) & 0xff);
- dev->dev_addr[5] = ((lo >> 24) & 0xff);
-
+ memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
+ memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
}
/* Finally just fetch it out of the MAC control regs. */
else {