Y2_CFG_SPC
reg = sky2_read16(hw, Y2_CFG_SPC + PCI_LDO_CTRL);
sky2_write16(hw, Y2_CFG_SPC + PCI_LDO_CTRL, reg | PHY_M_UNDOC1);
return sky2_read32(hw, Y2_CFG_SPC + reg);
return sky2_read16(hw, Y2_CFG_SPC + reg);
sky2_write32(hw, Y2_CFG_SPC + reg, val);
sky2_write16(hw, Y2_CFG_SPC + reg, val);