*/
void exynos_cpu_power_down(int cpu)
{
+ u32 core_conf;
+
if (cpu == 0 && (soc_is_exynos5420() || soc_is_exynos5800())) {
/*
* Bypass power down for CPU0 during suspend. Check for
if (!(val & S5P_CORE_LOCAL_PWR_EN))
return;
}
- pmu_raw_writel(0, EXYNOS_ARM_CORE_CONFIGURATION(cpu));
+
+ core_conf = pmu_raw_readl(EXYNOS_ARM_CORE_CONFIGURATION(cpu));
+ core_conf &= ~S5P_CORE_LOCAL_PWR_EN;
+ pmu_raw_writel(core_conf, EXYNOS_ARM_CORE_CONFIGURATION(cpu));
}
/**
*/
void exynos_cpu_power_up(int cpu)
{
- pmu_raw_writel(S5P_CORE_LOCAL_PWR_EN,
+ u32 core_conf = S5P_CORE_LOCAL_PWR_EN;
+
+ if (soc_is_exynos3250())
+ core_conf |= S5P_CORE_AUTOWAKEUP_EN;
+
+ pmu_raw_writel(core_conf,
EXYNOS_ARM_CORE_CONFIGURATION(cpu));
}
if (!of_machine_is_compatible("samsung,exynos3250"))
return;
+ while (!pmu_raw_readl(S5P_PMU_SPARE2))
+ udelay(10);
+ udelay(10);
+
val = pmu_raw_readl(EXYNOS_ARM_CORE_STATUS(core_id));
val |= S5P_CORE_WAKEUP_FROM_LOCAL_CFG;
pmu_raw_writel(val, EXYNOS_ARM_CORE_STATUS(core_id));
call_firmware_op(cpu_boot, core_id);
- arch_send_wakeup_ipi_mask(cpumask_of(cpu));
+ if (soc_is_exynos3250())
+ dsb_sev();
+ else
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
if (pen_release == -1)
break;