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>
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1 changed files with 11 additions and 0 deletions
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@ -718,6 +718,17 @@ e1000_init_hw(struct e1000_hw *hw)
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DEBUGFUNC("e1000_init_hw");
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/* force full DMA clock frequency for 10/100 on ICH8 A0-B0 */
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if (hw->mac_type == e1000_ich8lan) {
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reg_data = E1000_READ_REG(hw, TARC0);
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reg_data |= 0x30000000;
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E1000_WRITE_REG(hw, TARC0, reg_data);
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reg_data = E1000_READ_REG(hw, STATUS);
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reg_data &= ~0x80000000;
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E1000_WRITE_REG(hw, STATUS, reg_data);
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}
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/* Initialize Identification LED */
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ret_val = e1000_id_led_init(hw);
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if(ret_val) {
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