Commit b2345773 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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sky2: clear PCI power control reg at startup



Make sure PCI register for PHY power gets cleared on boot, and make
sure to avoid any PCI posting problems.
Signed-off-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent c46ac946
......@@ -219,9 +219,12 @@ static void sky2_power_on(struct sky2_hw *hw)
else
sky2_write8(hw, B2_Y2_CLK_GATE, 0);
if (hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX) {
if (hw->chip_id == CHIP_ID_YUKON_EC_U ||
hw->chip_id == CHIP_ID_YUKON_EX) {
u32 reg;
sky2_pci_write32(hw, PCI_DEV_REG3, 0);
reg = sky2_pci_read32(hw, PCI_DEV_REG4);
/* set all bits to 0 except bits 15..12 and 8 */
reg &= P_ASPM_CONTROL_MSK;
......@@ -238,6 +241,8 @@ static void sky2_power_on(struct sky2_hw *hw)
reg = sky2_read32(hw, B2_GP_IO);
reg |= GLB_GPIO_STAT_RACE_DIS;
sky2_write32(hw, B2_GP_IO, reg);
sky2_read32(hw, B2_GP_IO);
}
}
......
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