L3_M_BC_CR
writel_relaxed(BC_RESET, l3pmu->regs + L3_M_BC_CR);
writel(BC_ENABLE, l3pmu->regs + L3_M_BC_CR);
writel_relaxed(BC_ENABLE, l3pmu->regs + L3_M_BC_CR);
writel_relaxed(0, l3pmu->regs + L3_M_BC_CR);