SATA_P0PHYCR_CR_CAP_ADDR
if (imx_ahcisata_phy_ctrl(sc, SATA_P0PHYCR_CR_CAP_ADDR, 1) != 0)
if (imx_ahcisata_phy_ctrl(sc, SATA_P0PHYCR_CR_CAP_ADDR, 0) != 0)