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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2006-08-16 13:39:00 -0700
committerAuke Kok <juke-jan.h.kok@intel.com>2006-08-16 13:39:00 -0700
commit7820d4281a0d746a92992a9117aec007628ae3fe (patch)
tree4691b2f0f5a81ee508e360a3373c6364c146c1db /drivers/net/e1000/e1000_hw.c
parentc9c1b834c7b6e00badfd9a775682644f192f0357 (diff)
downloadlinux-7820d4281a0d746a92992a9117aec007628ae3fe.tar.bz2
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/e1000_hw.c')
-rw-r--r--drivers/net/e1000/e1000_hw.c11
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) {