NI_PMCR
writel_relaxed(NI_PMCR_ENABLE, pmu_to_cd(pmu)->pmu_base + NI_PMCR);
writel_relaxed(0, pmu_to_cd(pmu)->pmu_base + NI_PMCR);
cd->pmu_base + NI_PMCR);
writel_relaxed(0, cd->pmu_base + NI_PMCR);