LPC_LPA_START_OFF
writel_relaxed(0, rtc->ioaddr + LPC_LPA_START_OFF);
writel_relaxed(1, rtc->ioaddr + LPC_LPA_START_OFF);
writel_relaxed(1, rtc->ioaddr + LPC_LPA_START_OFF);
writel_relaxed(1, st_wdog->base + LPC_LPA_START_OFF);