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-rw-r--r--drivers/net/tg3.c524
-rw-r--r--drivers/net/tg3.h25
2 files changed, 464 insertions, 85 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 12de80884b1a..f65ca3b2da6f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -85,8 +85,7 @@
/* hardware minimum and maximum for a single frame's data payload */
#define TG3_MIN_MTU 60
#define TG3_MAX_MTU(tp) \
- ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 && \
- GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750) ? 9000 : 1500)
+ (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 9000 : 1500)
/* These numbers seem to be hard coded in the NIC firmware somehow.
* You can't change the ring sizes, but you can change where you place
@@ -205,6 +204,8 @@ static struct pci_device_id tg3_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M,
@@ -860,8 +861,7 @@ out:
if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
/* Cannot do read-modify-write on 5401 */
tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
- } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
- GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750) {
+ } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
u32 phy_reg;
/* Set bit 14 with read-modify-write to preserve other bits */
@@ -873,8 +873,7 @@ out:
/* Set phy register 0x10 bit 0 to high fifo elasticity to support
* jumbo frames transmission.
*/
- if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
- GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750) {
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
u32 phy_reg;
if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
@@ -1006,8 +1005,13 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
pci_write_config_word(tp->pdev,
pm + PCI_PM_CTRL,
power_control);
- tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
- udelay(100);
+ udelay(100); /* Delay after power state change */
+
+ /* Switch out of Vaux if it is not a LOM */
+ if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) {
+ tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
+ udelay(100);
+ }
return 0;
@@ -1068,7 +1072,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
mac_mode = MAC_MODE_PORT_MODE_TBI;
}
- if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750)
+ if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
tw32(MAC_LED_CTRL, tp->led_ctrl);
if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
@@ -1095,7 +1099,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
CLOCK_CTRL_ALTCLK |
CLOCK_CTRL_PWRDOWN_PLL133);
udelay(40);
- } else if (!((GET_ASIC_REV(tp->pci_chip_rev_id) == 5750) &&
+ } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
u32 newbits1, newbits2;
@@ -1152,6 +1156,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
/* Finally, set the new power state. */
pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
+ udelay(100); /* Delay after power state change */
tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
@@ -2902,6 +2907,43 @@ static inline unsigned int tg3_has_work(struct net_device *dev, struct tg3 *tp)
return work_exists;
}
+/* MSI ISR - No need to check for interrupt sharing and no need to
+ * flush status block and interrupt mailbox. PCI ordering rules
+ * guarantee that MSI will arrive after the status block.
+ */
+static irqreturn_t tg3_msi(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct tg3 *tp = netdev_priv(dev);
+ struct tg3_hw_status *sblk = tp->hw_status;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tp->lock, flags);
+
+ /*
+ * writing any value to intr-mbox-0 clears PCI INTA# and
+ * chip-internal interrupt pending events.
+ * writing non-zero to intr-mbox-0 additional tells the
+ * NIC to stop sending us irqs, engaging "in-intr-handler"
+ * event coalescing.
+ */
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
+ sblk->status &= ~SD_STATUS_UPDATED;
+
+ if (likely(tg3_has_work(dev, tp)))
+ netif_rx_schedule(dev); /* schedule NAPI poll */
+ else {
+ /* no work, re-enable interrupts
+ */
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ 0x00000000);
+ }
+
+ spin_unlock_irqrestore(&tp->lock, flags);
+
+ return IRQ_RETVAL(1);
+}
+
static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = dev_id;
@@ -2954,13 +2996,31 @@ static irqreturn_t tg3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
return IRQ_RETVAL(handled);
}
+/* ISR for interrupt test */
+static irqreturn_t tg3_test_isr(int irq, void *dev_id,
+ struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct tg3 *tp = netdev_priv(dev);
+ struct tg3_hw_status *sblk = tp->hw_status;
+
+ if (sblk->status & SD_STATUS_UPDATED) {
+ tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
+ 0x00000001);
+ return IRQ_RETVAL(1);
+ }
+ return IRQ_RETVAL(0);
+}
+
static int tg3_init_hw(struct tg3 *);
static int tg3_halt(struct tg3 *);
#ifdef CONFIG_NET_POLL_CONTROLLER
static void tg3_poll_controller(struct net_device *dev)
{
- tg3_interrupt(dev->irq, dev, NULL);
+ struct tg3 *tp = netdev_priv(dev);
+
+ tg3_interrupt(tp->pdev->irq, dev, NULL);
}
#endif
@@ -3727,6 +3787,28 @@ static void tg3_nvram_unlock(struct tg3 *tp)
}
/* tp->lock is held. */
+static void tg3_enable_nvram_access(struct tg3 *tp)
+{
+ if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
+ !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
+ u32 nvaccess = tr32(NVRAM_ACCESS);
+
+ tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
+ }
+}
+
+/* tp->lock is held. */
+static void tg3_disable_nvram_access(struct tg3 *tp)
+{
+ if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
+ !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
+ u32 nvaccess = tr32(NVRAM_ACCESS);
+
+ tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
+ }
+}
+
+/* tp->lock is held. */
static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
{
if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X))
@@ -3967,7 +4049,7 @@ static int tg3_chip_reset(struct tg3 *tp)
tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
}
}
@@ -5041,7 +5123,7 @@ static int tg3_reset_hw(struct tg3 *tp)
tw32(GRC_MISC_CFG, val);
/* Initialize MBUF/DESC pool. */
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
/* Do nothing. */
} else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
@@ -5238,6 +5320,8 @@ static int tg3_reset_hw(struct tg3 *tp)
RDMAC_MODE_LNGREAD_ENAB);
if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE)
rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE;
+
+ /* If statement applies to 5705 and 5750 PCI devices only */
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
@@ -5251,6 +5335,9 @@ static int tg3_reset_hw(struct tg3 *tp)
}
}
+ if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
+ rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
+
#if TG3_TSO_SUPPORT != 0
if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
rdmac_mode |= (1 << 27);
@@ -5332,10 +5419,28 @@ static int tg3_reset_hw(struct tg3 *tp)
tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
udelay(40);
- tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
+ /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
+ * If TG3_FLAG_EEPROM_WRITE_PROT is set, we should read the
+ * register to preserve the GPIO settings for LOMs. The GPIOs,
+ * whether used as inputs or outputs, are set by boot code after
+ * reset.
+ */
+ if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
+ u32 gpio_mask;
+
+ gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
+ GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
+
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+ gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
+ GRC_LCLCTRL_GPIO_OUTPUT3;
+
+ tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
+
+ /* GPIO1 must be driven high for eeprom write protect */
tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OUTPUT1);
+ }
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
udelay(100);
@@ -5353,6 +5458,7 @@ static int tg3_reset_hw(struct tg3 *tp)
WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
WDMAC_MODE_LNGREAD_ENAB);
+ /* If statement applies to 5705 and 5750 PCI devices only */
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
@@ -5706,6 +5812,118 @@ static void tg3_timer(unsigned long __opaque)
add_timer(&tp->timer);
}
+static int tg3_test_interrupt(struct tg3 *tp)
+{
+ struct net_device *dev = tp->dev;
+ int err, i;
+ u32 int_mbox = 0;
+
+ tg3_disable_ints(tp);
+
+ free_irq(tp->pdev->irq, dev);
+
+ err = request_irq(tp->pdev->irq, tg3_test_isr,
+ SA_SHIRQ, dev->name, dev);
+ if (err)
+ return err;
+
+ tg3_enable_ints(tp);
+
+ tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
+ HOSTCC_MODE_NOW);
+
+ for (i = 0; i < 5; i++) {
+ int_mbox = tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW);
+ if (int_mbox != 0)
+ break;
+ msleep(10);
+ }
+
+ tg3_disable_ints(tp);
+
+ free_irq(tp->pdev->irq, dev);
+
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
+ err = request_irq(tp->pdev->irq, tg3_msi,
+ 0, dev->name, dev);
+ else
+ err = request_irq(tp->pdev->irq, tg3_interrupt,
+ SA_SHIRQ, dev->name, dev);
+
+ if (err)
+ return err;
+
+ if (int_mbox != 0)
+ return 0;
+
+ return -EIO;
+}
+
+/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
+ * successfully restored
+ */
+static int tg3_test_msi(struct tg3 *tp)
+{
+ struct net_device *dev = tp->dev;
+ int err;
+ u16 pci_cmd;
+
+ if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
+ return 0;
+
+ /* Turn off SERR reporting in case MSI terminates with Master
+ * Abort.
+ */
+ pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
+ pci_write_config_word(tp->pdev, PCI_COMMAND,
+ pci_cmd & ~PCI_COMMAND_SERR);
+
+ err = tg3_test_interrupt(tp);
+
+ pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
+
+ if (!err)
+ return 0;
+
+ /* other failures */
+ if (err != -EIO)
+ return err;
+
+ /* MSI test failed, go back to INTx mode */
+ printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
+ "switching to INTx mode. Please report this failure to "
+ "the PCI maintainer and include system chipset information.\n",
+ tp->dev->name);
+
+ free_irq(tp->pdev->irq, dev);
+ pci_disable_msi(tp->pdev);
+
+ tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
+
+ err = request_irq(tp->pdev->irq, tg3_interrupt,
+ SA_SHIRQ, dev->name, dev);
+
+ if (err)
+ return err;
+
+ /* Need to reset the chip because the MSI cycle may have terminated
+ * with Master Abort.
+ */
+ spin_lock_irq(&tp->lock);
+ spin_lock(&tp->tx_lock);
+
+ tg3_halt(tp);
+ err = tg3_init_hw(tp);
+
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);
+
+ if (err)
+ free_irq(tp->pdev->irq, dev);
+
+ return err;
+}
+
static int tg3_open(struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
@@ -5727,10 +5945,29 @@ static int tg3_open(struct net_device *dev)
if (err)
return err;
- err = request_irq(dev->irq, tg3_interrupt,
- SA_SHIRQ, dev->name, dev);
+ 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)) {
+ if (pci_enable_msi(tp->pdev) == 0) {
+ u32 msi_mode;
+
+ msi_mode = tr32(MSGINT_MODE);
+ tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
+ tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
+ }
+ }
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
+ err = request_irq(tp->pdev->irq, tg3_msi,
+ 0, dev->name, dev);
+ else
+ err = request_irq(tp->pdev->irq, tg3_interrupt,
+ SA_SHIRQ, dev->name, dev);
if (err) {
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ pci_disable_msi(tp->pdev);
+ tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
+ }
tg3_free_consistent(tp);
return err;
}
@@ -5751,23 +5988,47 @@ static int tg3_open(struct net_device *dev)
tp->timer.expires = jiffies + tp->timer_offset;
tp->timer.data = (unsigned long) tp;
tp->timer.function = tg3_timer;
- add_timer(&tp->timer);
-
- tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
}
spin_unlock(&tp->tx_lock);
spin_unlock_irq(&tp->lock);
if (err) {
- free_irq(dev->irq, dev);
+ free_irq(tp->pdev->irq, dev);
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ pci_disable_msi(tp->pdev);
+ tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
+ }
tg3_free_consistent(tp);
return err;
}
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ err = tg3_test_msi(tp);
+ if (err) {
+ spin_lock_irq(&tp->lock);
+ spin_lock(&tp->tx_lock);
+
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ pci_disable_msi(tp->pdev);
+ tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
+ }
+ tg3_halt(tp);
+ tg3_free_rings(tp);
+ tg3_free_consistent(tp);
+
+ spin_unlock(&tp->tx_lock);
+ spin_unlock_irq(&tp->lock);
+
+ return err;
+ }
+ }
+
spin_lock_irq(&tp->lock);
spin_lock(&tp->tx_lock);
+ add_timer(&tp->timer);
+ tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
tg3_enable_ints(tp);
spin_unlock(&tp->tx_lock);
@@ -6035,7 +6296,11 @@ static int tg3_close(struct net_device *dev)
spin_unlock(&tp->tx_lock);
spin_unlock_irq(&tp->lock);
- free_irq(dev->irq, dev);
+ free_irq(tp->pdev->irq, dev);
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
+ pci_disable_msi(tp->pdev);
+ tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
+ }
memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
sizeof(tp->net_stats_prev));
@@ -6509,10 +6774,12 @@ static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
start = cpu_to_le32(start);
len += b_offset;
offset &= ~3;
+ if (len < 4)
+ len = 4;
}
odd_len = 0;
- if ((len & 3) && ((len > 4) || (b_offset == 0))) {
+ if (len & 3) {
/* adjustments to end on required 4 byte boundary */
odd_len = 1;
len = (len + 3) & ~3;
@@ -7067,6 +7334,67 @@ static void __devinit tg3_get_nvram_info(struct tg3 *tp)
}
}
+static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
+{
+ u32 nvcfg1;
+
+ nvcfg1 = tr32(NVRAM_CFG1);
+
+ /* NVRAM protection for TPM */
+ if (nvcfg1 & (1 << 27))
+ tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+
+ switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
+ case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
+ case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ break;
+ case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
+ tp->nvram_jedecnum = JEDEC_ATMEL;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+ break;
+ case FLASH_5752VENDOR_ST_M45PE10:
+ case FLASH_5752VENDOR_ST_M45PE20:
+ case FLASH_5752VENDOR_ST_M45PE40:
+ tp->nvram_jedecnum = JEDEC_ST;
+ tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
+ tp->tg3_flags2 |= TG3_FLG2_FLASH;
+ break;
+ }
+
+ if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
+ switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
+ case FLASH_5752PAGE_SIZE_256:
+ tp->nvram_pagesize = 256;
+ break;
+ case FLASH_5752PAGE_SIZE_512:
+ tp->nvram_pagesize = 512;
+ break;
+ case FLASH_5752PAGE_SIZE_1K:
+ tp->nvram_pagesize = 1024;
+ break;
+ case FLASH_5752PAGE_SIZE_2K:
+ tp->nvram_pagesize = 2048;
+ break;
+ case FLASH_5752PAGE_SIZE_4K:
+ tp->nvram_pagesize = 4096;
+ break;
+ case FLASH_5752PAGE_SIZE_264:
+ tp->nvram_pagesize = 264;
+ break;
+ }
+ }
+ else {
+ /* For eeprom, set pagesize to maximum eeprom size */
+ tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
+
+ nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
+ tw32(NVRAM_CFG1, nvcfg1);
+ }
+}
+
/* Chips other than 5700/5701 use the NVRAM for fetching info. */
static void __devinit tg3_nvram_init(struct tg3 *tp)
{
@@ -7093,20 +7421,16 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
tp->tg3_flags |= TG3_FLAG_NVRAM;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
- u32 nvaccess = tr32(NVRAM_ACCESS);
+ tg3_enable_nvram_access(tp);
- tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
- }
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+ tg3_get_5752_nvram_info(tp);
+ else
+ tg3_get_nvram_info(tp);
- tg3_get_nvram_info(tp);
tg3_get_nvram_size(tp);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
- u32 nvaccess = tr32(NVRAM_ACCESS);
-
- tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
- }
+ tg3_disable_nvram_access(tp);
} else {
tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
@@ -7195,11 +7519,7 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
tg3_nvram_lock(tp);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
- u32 nvaccess = tr32(NVRAM_ACCESS);
-
- tw32_f(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
- }
+ tg3_enable_nvram_access(tp);
tw32(NVRAM_ADDR, offset);
ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
@@ -7210,11 +7530,7 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
tg3_nvram_unlock(tp);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
- u32 nvaccess = tr32(NVRAM_ACCESS);
-
- tw32_f(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
- }
+ tg3_disable_nvram_access(tp);
return ret;
}
@@ -7277,7 +7593,7 @@ static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
while (len) {
int j;
- u32 phy_addr, page_off, size, nvaccess;
+ u32 phy_addr, page_off, size;
phy_addr = offset & ~pagemask;
@@ -7300,8 +7616,7 @@ static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
offset = offset + (pagesize - page_off);
- nvaccess = tr32(NVRAM_ACCESS);
- tw32_f(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
+ tg3_enable_nvram_access(tp);
/*
* Before we can erase the flash page, we need
@@ -7425,8 +7740,8 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
}
if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
- tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
- GRC_LCLCTRL_GPIO_OE1);
+ tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
+ ~GRC_LCLCTRL_GPIO_OUTPUT1);
udelay(40);
}
@@ -7438,13 +7753,10 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
tg3_nvram_lock(tp);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
- u32 nvaccess = tr32(NVRAM_ACCESS);
-
- tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
-
+ tg3_enable_nvram_access(tp);
+ if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
+ !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
tw32(NVRAM_WRITE1, 0x406);
- }
grc_mode = tr32(GRC_MODE);
tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
@@ -7463,17 +7775,12 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
grc_mode = tr32(GRC_MODE);
tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
- u32 nvaccess = tr32(NVRAM_ACCESS);
-
- tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
- }
+ tg3_disable_nvram_access(tp);
tg3_nvram_unlock(tp);
}
if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
- tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
- GRC_LCLCTRL_GPIO_OE1 | GRC_LCLCTRL_GPIO_OUTPUT1);
+ tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
udelay(40);
}
@@ -7537,21 +7844,27 @@ static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
return NULL;
}
-static int __devinit tg3_phy_probe(struct tg3 *tp)
+/* Since this function may be called in D3-hot power state during
+ * tg3_init_one(), only config cycles are allowed.
+ */
+static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
{
- u32 eeprom_phy_id, hw_phy_id_1, hw_phy_id_2;
- u32 hw_phy_id, hw_phy_id_masked;
u32 val;
- int eeprom_signature_found, eeprom_phy_serdes, err;
+
+ /* Make sure register accesses (indirect or otherwise)
+ * will function correctly.
+ */
+ pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
+ tp->misc_host_ctrl);
tp->phy_id = PHY_ID_INVALID;
- eeprom_phy_id = PHY_ID_INVALID;
- eeprom_phy_serdes = 0;
- eeprom_signature_found = 0;
+ tp->led_ctrl = LED_CTRL_MODE_PHY_1;
+
tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
if (val == NIC_SRAM_DATA_SIG_MAGIC) {
u32 nic_cfg, led_cfg;
- u32 nic_phy_id, ver, cfg2 = 0;
+ u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
+ int eeprom_phy_serdes = 0;
tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
tp->nic_sram_data_cfg = nic_cfg;
@@ -7564,8 +7877,6 @@ static int __devinit tg3_phy_probe(struct tg3 *tp)
(ver > 0) && (ver < 0x100))
tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
- eeprom_signature_found = 1;
-
if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
eeprom_phy_serdes = 1;
@@ -7581,10 +7892,14 @@ static int __devinit tg3_phy_probe(struct tg3 *tp)
} else
eeprom_phy_id = 0;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
+ tp->phy_id = eeprom_phy_id;
+ if (eeprom_phy_serdes)
+ tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
+
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
SHASTA_EXT_LED_MODE_MASK);
- } else
+ else
led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
switch (led_cfg) {
@@ -7634,7 +7949,7 @@ static int __devinit tg3_phy_probe(struct tg3 *tp)
if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
}
if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)
@@ -7648,6 +7963,13 @@ static int __devinit tg3_phy_probe(struct tg3 *tp)
if (cfg2 & (1 << 18))
tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
}
+}
+
+static int __devinit tg3_phy_probe(struct tg3 *tp)
+{
+ u32 hw_phy_id_1, hw_phy_id_2;
+ u32 hw_phy_id, hw_phy_id_masked;
+ int err;
/* Reading the PHY ID register can conflict with ASF
* firwmare access to the PHY hardware.
@@ -7676,10 +7998,10 @@ static int __devinit tg3_phy_probe(struct tg3 *tp)
if (hw_phy_id_masked == PHY_ID_BCM8002)
tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
} else {
- if (eeprom_signature_found) {
- tp->phy_id = eeprom_phy_id;
- if (eeprom_phy_serdes)
- tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
+ if (tp->phy_id != PHY_ID_INVALID) {
+ /* Do nothing, phy ID already set up in
+ * tg3_get_eeprom_hw_cfg().
+ */
} else {
struct subsys_tbl_ent *p;
@@ -7750,9 +8072,6 @@ skip_phy_reset:
err = tg3_init_5401phy_dsp(tp);
}
- if (!eeprom_signature_found)
- tp->led_ctrl = LED_CTRL_MODE_PHY_1;
-
if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
tp->link_config.advertising =
(ADVERTISED_1000baseT_Half |
@@ -7917,6 +8236,12 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
tp->pci_chip_rev_id = (misc_ctrl_reg >>
MISC_HOST_CTRL_CHIPREV_SHIFT);
+ /* Wrong chip ID in 5752 A0. This code can be removed later
+ * as A0 is not in production.
+ */
+ if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
+ tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
+
/* Initialize misc host control in PCI block. */
tp->misc_host_ctrl |= (misc_ctrl_reg &
MISC_HOST_CTRL_CHIPREV);
@@ -7931,11 +8256,15 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
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_5750 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+ tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
+
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
- (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750))
+ (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+ if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
tp->tg3_flags2 |= TG3_FLG2_HW_TSO;
if (pci_find_capability(tp->pdev, PCI_CAP_ID_EXP) != 0)
@@ -8013,6 +8342,31 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
}
+ /* Get eeprom hw config before calling tg3_set_power_state().
+ * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
+ * determined before calling tg3_set_power_state() so that
+ * we know whether or not to switch out of Vaux power.
+ * When the flag is set, it means that GPIO1 is used for eeprom
+ * write protect and also implies that it is a LOM where GPIOs
+ * are not used to switch power.
+ */
+ tg3_get_eeprom_hw_cfg(tp);
+
+ /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
+ * GPIO1 driven high will bring 5700's external PHY out of reset.
+ * It is also used as eeprom write protect on LOMs.
+ */
+ tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
+ if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
+ (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
+ tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
+ GRC_LCLCTRL_GPIO_OUTPUT1);
+ /* Unused GPIO3 must be driven as output on 5752 because there
+ * are no pull-up resistors on unused GPIO pins.
+ */
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+ tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
+
/* Force the chip into D0. */
err = tg3_set_power_state(tp, 0);
if (err) {
@@ -8065,8 +8419,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
+ if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
/* Only 5701 and later support tagged irq status mode.
@@ -8628,6 +8981,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
case PHY_ID_BCM5704: return "5704";
case PHY_ID_BCM5705: return "5705";
case PHY_ID_BCM5750: return "5750";
+ case PHY_ID_BCM5752: return "5752";
case PHY_ID_BCM8002: return "8002/serdes";
case 0: return "serdes";
default: return "unknown";
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index d48887d90325..8de6f21037ba 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -125,6 +125,9 @@
#define CHIPREV_ID_5750_A0 0x4000
#define CHIPREV_ID_5750_A1 0x4001
#define CHIPREV_ID_5750_A3 0x4003
+#define CHIPREV_ID_5752_A0_HW 0x5000
+#define CHIPREV_ID_5752_A0 0x6000
+#define CHIPREV_ID_5752_A1 0x6001
#define GET_ASIC_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 12)
#define ASIC_REV_5700 0x07
#define ASIC_REV_5701 0x00
@@ -132,6 +135,7 @@
#define ASIC_REV_5704 0x02
#define ASIC_REV_5705 0x03
#define ASIC_REV_5750 0x04
+#define ASIC_REV_5752 0x06
#define GET_CHIP_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 8)
#define CHIPREV_5700_AX 0x70
#define CHIPREV_5700_BX 0x71
@@ -1307,6 +1311,9 @@
#define GRC_LCLCTRL_CLEARINT 0x00000002
#define GRC_LCLCTRL_SETINT 0x00000004
#define GRC_LCLCTRL_INT_ON_ATTN 0x00000008
+#define GRC_LCLCTRL_GPIO_INPUT3 0x00000020
+#define GRC_LCLCTRL_GPIO_OE3 0x00000040
+#define GRC_LCLCTRL_GPIO_OUTPUT3 0x00000080
#define GRC_LCLCTRL_GPIO_INPUT0 0x00000100
#define GRC_LCLCTRL_GPIO_INPUT1 0x00000200
#define GRC_LCLCTRL_GPIO_INPUT2 0x00000400
@@ -1392,6 +1399,20 @@
#define FLASH_VENDOR_SAIFUN 0x01000003
#define FLASH_VENDOR_SST_SMALL 0x00000001
#define FLASH_VENDOR_SST_LARGE 0x02000001
+#define NVRAM_CFG1_5752VENDOR_MASK 0x03c00003
+#define FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ 0x00000000
+#define FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ 0x02000000
+#define FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED 0x02000003
+#define FLASH_5752VENDOR_ST_M45PE10 0x02400000
+#define FLASH_5752VENDOR_ST_M45PE20 0x02400002
+#define FLASH_5752VENDOR_ST_M45PE40 0x02400001
+#define NVRAM_CFG1_5752PAGE_SIZE_MASK 0x70000000
+#define FLASH_5752PAGE_SIZE_256 0x00000000
+#define FLASH_5752PAGE_SIZE_512 0x10000000
+#define FLASH_5752PAGE_SIZE_1K 0x20000000
+#define FLASH_5752PAGE_SIZE_2K 0x30000000
+#define FLASH_5752PAGE_SIZE_4K 0x40000000
+#define FLASH_5752PAGE_SIZE_264 0x50000000
#define NVRAM_CFG2 0x00007018
#define NVRAM_CFG3 0x0000701c
#define NVRAM_SWARB 0x00007020
@@ -2100,6 +2121,9 @@ struct tg3 {
#define TG3_FLG2_HW_TSO 0x00010000
#define TG3_FLG2_SERDES_PREEMPHASIS 0x00020000
#define TG3_FLG2_5705_PLUS 0x00040000
+#define TG3_FLG2_5750_PLUS 0x00080000
+#define TG3_FLG2_PROTECTED_NVRAM 0x00100000
+#define TG3_FLG2_USING_MSI 0x00200000
u32 split_mode_max_reqs;
#define SPLIT_MODE_5704_MAX_REQ 3
@@ -2145,6 +2169,7 @@ struct tg3 {
#define PHY_ID_BCM5704 0x60008190
#define PHY_ID_BCM5705 0x600081a0
#define PHY_ID_BCM5750 0x60008180
+#define PHY_ID_BCM5752 0x60008100
#define PHY_ID_BCM8002 0x60010140
#define PHY_ID_INVALID 0xffffffff
#define PHY_ID_REV_MASK 0x0000000f
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-20 12:31:12 +0300