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path: root/drivers/net/tg3.c
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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c85
1 files changed, 75 insertions, 10 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index bf376b32450..3ba6c52fed4 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1656,12 +1656,76 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
return 0;
}
+/* tp->lock is held. */
+static void tg3_wait_for_event_ack(struct tg3 *tp)
+{
+ int i;
+
+ /* Wait for up to 2.5 milliseconds */
+ for (i = 0; i < 250000; i++) {
+ if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
+ break;
+ udelay(10);
+ }
+}
+
+/* tp->lock is held. */
+static void tg3_ump_link_report(struct tg3 *tp)
+{
+ u32 reg;
+ u32 val;
+
+ if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
+ !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
+ return;
+
+ tg3_wait_for_event_ack(tp);
+
+ tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
+
+ tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
+
+ val = 0;
+ if (!tg3_readphy(tp, MII_BMCR, &reg))
+ val = reg << 16;
+ if (!tg3_readphy(tp, MII_BMSR, &reg))
+ val |= (reg & 0xffff);
+ tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
+
+ val = 0;
+ if (!tg3_readphy(tp, MII_ADVERTISE, &reg))
+ val = reg << 16;
+ if (!tg3_readphy(tp, MII_LPA, &reg))
+ val |= (reg & 0xffff);
+ tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
+
+ val = 0;
+ if (!(tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) {
+ if (!tg3_readphy(tp, MII_CTRL1000, &reg))
+ val = reg << 16;
+ if (!tg3_readphy(tp, MII_STAT1000, &reg))
+ val |= (reg & 0xffff);
+ }
+ tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
+
+ if (!tg3_readphy(tp, MII_PHYADDR, &reg))
+ val = reg << 16;
+ else
+ val = 0;
+ tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
+
+ val = tr32(GRC_RX_CPU_EVENT);
+ val |= GRC_RX_CPU_DRIVER_EVENT;
+ tw32_f(GRC_RX_CPU_EVENT, val);
+}
+
static void tg3_link_report(struct tg3 *tp)
{
if (!netif_carrier_ok(tp->dev)) {
if (netif_msg_link(tp))
printk(KERN_INFO PFX "%s: Link is down.\n",
tp->dev->name);
+ tg3_ump_link_report(tp);
} else if (netif_msg_link(tp)) {
printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
tp->dev->name,
@@ -1679,6 +1743,7 @@ static void tg3_link_report(struct tg3 *tp)
"on" : "off",
(tp->link_config.active_flowctrl & TG3_FLOW_CTRL_RX) ?
"on" : "off");
+ tg3_ump_link_report(tp);
}
}
@@ -5500,19 +5565,17 @@ static void tg3_stop_fw(struct tg3 *tp)
if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
u32 val;
- int i;
+
+ /* Wait for RX cpu to ACK the previous event. */
+ tg3_wait_for_event_ack(tp);
tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
val = tr32(GRC_RX_CPU_EVENT);
- val |= (1 << 14);
+ val |= GRC_RX_CPU_DRIVER_EVENT;
tw32(GRC_RX_CPU_EVENT, val);
- /* Wait for RX cpu to ACK the event. */
- for (i = 0; i < 100; i++) {
- if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
- break;
- udelay(1);
- }
+ /* Wait for RX cpu to ACK this event. */
+ tg3_wait_for_event_ack(tp);
}
}
@@ -7402,14 +7465,16 @@ static void tg3_timer(unsigned long __opaque)
if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
u32 val;
+ tg3_wait_for_event_ack(tp);
+
tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
FWCMD_NICDRV_ALIVE3);
tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
/* 5 seconds timeout */
tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
val = tr32(GRC_RX_CPU_EVENT);
- val |= (1 << 14);
- tw32(GRC_RX_CPU_EVENT, val);
+ val |= GRC_RX_CPU_DRIVER_EVENT;
+ tw32_f(GRC_RX_CPU_EVENT, val);
}
tp->asf_counter = tp->asf_multiplier;
}