XWAY_STP_CPU0
return !!(xway_stp_r32(chip->virt, XWAY_STP_CPU0) & BIT(gpio));
xway_stp_w32(chip->virt, chip->shadow, XWAY_STP_CPU0);
xway_stp_w32(chip->virt, 0, XWAY_STP_CPU0);