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yaml
---
r: 177120
b: refs/heads/master
c: a276510
h: refs/heads/master
v: v3
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Chien Tung authored and Roland Dreier committed Dec 9, 2009
1 parent 22762f3 commit b2cf3b5
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Showing 2 changed files with 23 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e293a26fe97c8598a96562c1c9376d9ae6cb96dd
refs/heads/master: a276510328d0721c252b37044c51e2fb4efe0364
28 changes: 22 additions & 6 deletions trunk/drivers/infiniband/hw/nes/nes_hw.c
Original file line number Diff line number Diff line change
Expand Up @@ -1356,15 +1356,22 @@ int nes_init_phy(struct nes_device *nesdev)
}
if ((phy_type == NES_PHY_TYPE_ARGUS) ||
(phy_type == NES_PHY_TYPE_SFP_D)) {
u32 first_time = 1;

/* Check firmware heartbeat */
nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
udelay(1500);
nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
temp_phy_data2 = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);

if (temp_phy_data != temp_phy_data2)
return 0;
if (temp_phy_data != temp_phy_data2) {
nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7fd);
temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
if ((temp_phy_data & 0xff) > 0x20)
return 0;
printk(PFX "Reinitializing PHY\n");
}

/* no heartbeat, configure the PHY */
nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0x0000, 0x8000);
Expand Down Expand Up @@ -1400,7 +1407,7 @@ int nes_init_phy(struct nes_device *nesdev)
temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
do {
if (counter++ > 150) {
nes_debug(NES_DBG_PHY, "No PHY heartbeat\n");
printk(PFX "No PHY heartbeat\n");
break;
}
mdelay(1);
Expand All @@ -1414,11 +1421,20 @@ int nes_init_phy(struct nes_device *nesdev)
nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7fd);
temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
if (counter++ > 300) {
nes_debug(NES_DBG_PHY, "PHY did not track\n");
break;
if (((temp_phy_data & 0xff) == 0x0) && first_time) {
first_time = 0;
counter = 0;
/* reset AMCC PHY and try again */
nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0xe854, 0x00c0);
nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0xe854, 0x0040);
continue;
} else {
printk(PFX "PHY did not track\n");
break;
}
}
mdelay(10);
} while (((temp_phy_data & 0xff) != 0x50) && ((temp_phy_data & 0xff) != 0x70));
} while ((temp_phy_data & 0xff) < 0x30);

/* setup signal integrity */
nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd003, 0x0000);
Expand Down

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