PCS_READ_8
timer_count = PCS_READ_8(sc, PCS_LINK_TIMER_COUNT);
ctl_reg = PCS_READ_8(sc, PCS_MR_CONTROL);
ctl_reg = PCS_READ_8(sc, PCS_MR_CONTROL);
status = PCS_READ_8(sc, PCS_MR_STATUS);
misc_ctl = PCS_READ_8(sc, PCS_MISC_CTL);