@@ -95,3 +95,18 @@ void set_dp_phy_ctrl(unsigned int enable)
if (cpu_is_exynos5())
exynos5_dp_phy_control(enable);
}
+
+/*
+ * This function never returns.
+ * When called this function makes system hang and PAD driving value high
+ * which in turn makes system power down in case of cold reboot.
+ */
+void power_shutdown(void)
+{
+ struct exynos5_power *power =
+ (struct exynos5_power *)samsung_get_base_power();
+
+ clrbits_le32(&power->ps_hold_control, POWER_PS_HOLD_CONTROL_DATA_HIGH);
+
+ hang();
+}
@@ -863,5 +863,13 @@ void set_usbhost_phy_ctrl(unsigned int enable);
void set_dp_phy_ctrl(unsigned int enable);
#define EXYNOS_DP_PHY_ENABLE (1 << 0)
+#define POWER_PS_HOLD_CONTROL_DATA_HIGH (1 << 8)
+
+/*
+ * This function never returns.
+ * When called this function makes system hang and PAD driving value high
+ * which in turn makes system power down in case of cold reboot.
+ */
+void power_shutdown(void) __attribute__ ((noreturn));
#endif