diff options
| author | Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> | 2005-10-04 07:04:22 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-04 07:04:22 -0400 |
| commit | 2ae76d98fb9f0a9226dd62cf0a0b7547507d2862 (patch) | |
| tree | 2f44f6d13bedba9235b1cc12aaa0f2cce61af78f /drivers/net/e1000/e1000_main.c | |
| parent | 24025e4ecf88743e1b3d46451b0e3f9de4bbcba5 (diff) | |
| download | blackbird-obmc-linux-2ae76d98fb9f0a9226dd62cf0a0b7547507d2862.tar.gz blackbird-obmc-linux-2ae76d98fb9f0a9226dd62cf0a0b7547507d2862.zip | |
e1000: Enable custom configuration bits for 82571/2 controllers
Enable custom configuration bits for 82571/2 controllers. The bits are
required for correct functionality of these controllers.
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index ce1044a80bd2..ad92115f20a0 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1151,6 +1151,7 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter, return -ENOMEM; } memset(txdr->buffer_info, 0, size); + memset(&txdr->previous_buffer_info, 0, sizeof(struct e1000_buffer)); /* round up to nearest 4K */ @@ -1199,6 +1200,7 @@ setup_tx_desc_die: txdr->next_to_use = 0; txdr->next_to_clean = 0; + spin_lock_init(&txdr->tx_lock); return 0; } @@ -1312,6 +1314,19 @@ e1000_configure_tx(struct e1000_adapter *adapter) E1000_WRITE_REG(hw, TCTL, tctl); + if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) { + tarc = E1000_READ_REG(hw, TARC0); + tarc |= ((1 << 25) | (1 << 21)); + E1000_WRITE_REG(hw, TARC0, tarc); + tarc = E1000_READ_REG(hw, TARC1); + tarc |= (1 << 25); + if (tctl & E1000_TCTL_MULR) + tarc &= ~(1 << 28); + else + tarc |= (1 << 28); + E1000_WRITE_REG(hw, TARC1, tarc); + } + e1000_config_collision_dist(hw); /* Setup Transmit Descriptor Settings for eop descriptor */ @@ -1601,6 +1616,14 @@ e1000_configure_rx(struct e1000_adapter *adapter) 1000000000 / (adapter->itr * 256)); } + if (hw->mac_type >= e1000_82571) { + /* Reset delay timers after every interrupt */ + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_CANC; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(hw); + } + /* Setup the HW Rx Head and Tail Descriptor Pointers and * the Base and Length of the Rx Descriptor Ring */ switch (adapter->num_queues) { |
