SLUGBUTT_PWR_BIT
reg |= SLUGBUTT_PWR_BIT | SLUGBUTT_RST_BIT;
GPIO_CONF_WRITE_4(ixsc, IXP425_GPIO_GPISR, SLUGBUTT_PWR_BIT |
GPIO_CONF_WRITE_4(ixp425_softc, IXP425_GPIO_GPISR, SLUGBUTT_PWR_BIT);