PRCM_CPU_PWROFF_REG
reg = readl(prcm_membase + PRCM_CPU_PWROFF_REG);
writel(reg & ~BIT(cpu), prcm_membase + PRCM_CPU_PWROFF_REG);
reg = readl(prcm_membase + PRCM_CPU_PWROFF_REG);
writel(reg & ~BIT(cpu), prcm_membase + PRCM_CPU_PWROFF_REG);