diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2006-08-16 22:39:00 +0200 |
|---|---|---|
| committer | Auke Kok <juke-jan.h.kok@intel.com> | 2006-08-16 22:39:00 +0200 |
| commit | 7820d4281a0d746a92992a9117aec007628ae3fe (patch) | |
| tree | 4691b2f0f5a81ee508e360a3373c6364c146c1db /drivers/net/e1000 | |
| parent | e1000: Allow NVM to setup LPLU for IGP2 and IGP3 (diff) | |
| download | linux-7820d4281a0d746a92992a9117aec007628ae3fe.tar.xz linux-7820d4281a0d746a92992a9117aec007628ae3fe.zip | |
e1000: Force full DMA clocking for 10/100 speed
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Diffstat (limited to 'drivers/net/e1000')
| -rw-r--r-- | drivers/net/e1000/e1000_hw.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 3728f33045c3..8eddfdf62f55 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -718,6 +718,17 @@ e1000_init_hw(struct e1000_hw *hw) DEBUGFUNC("e1000_init_hw"); + /* force full DMA clock frequency for 10/100 on ICH8 A0-B0 */ + if (hw->mac_type == e1000_ich8lan) { + reg_data = E1000_READ_REG(hw, TARC0); + reg_data |= 0x30000000; + E1000_WRITE_REG(hw, TARC0, reg_data); + + reg_data = E1000_READ_REG(hw, STATUS); + reg_data &= ~0x80000000; + E1000_WRITE_REG(hw, STATUS, reg_data); + } + /* Initialize Identification LED */ ret_val = e1000_id_led_init(hw); if(ret_val) { |