SA1111_INTPOL0
writel_relaxed(save->intpol0, base + SA1111_INTPOL0);
ip = readl_relaxed(mapbase + SA1111_INTPOL0);
writel_relaxed(ip ^ mask, mapbase + SA1111_INTPOL0);
writel_relaxed(ip, mapbase + SA1111_INTPOL0);
ip = readl_relaxed(mapbase + SA1111_INTPOL0);
writel_relaxed(ip, mapbase + SA1111_INTPOL0);
writel_relaxed(0, irqbase + SA1111_INTPOL0);
save->intpol0 = readl_relaxed(base + SA1111_INTPOL0);