mirror of https://gitee.com/openkylin/linux.git
sky2: FE+ Phy initialization
One more snippet of PHY initialization required for FE+ chips. Discovered in latest sk98lin 10.21.1.3 driver. Please apply to 2.6.23. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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@ -338,6 +338,16 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
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if (!(hw->flags & SKY2_HW_GIGABIT)) {
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/* enable automatic crossover */
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ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1;
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if (hw->chip_id == CHIP_ID_YUKON_FE_P &&
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hw->chip_rev == CHIP_REV_YU_FE2_A0) {
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u16 spec;
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/* Enable Class A driver for FE+ A0 */
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spec = gm_phy_read(hw, port, PHY_MARV_FE_SPEC_2);
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spec |= PHY_M_FESC_SEL_CL_A;
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gm_phy_write(hw, port, PHY_MARV_FE_SPEC_2, spec);
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}
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} else {
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/* disable energy detect */
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ctrl &= ~PHY_M_PC_EN_DET_MSK;
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