PMU_PWDCR
pmu_w32(pmu_r32(PMU_PWDCR) & ~module, PMU_PWDCR);
pmu_w32(pmu_r32(PMU_PWDCR) | module, PMU_PWDCR);
#define PWDCR(x) ((x) ? (PMU_PWDCR1) : (PMU_PWDCR))