int arch_interrupt_init (void)
{
DEBUG_MEMORY
/* disable and clear any residue */
gic_dic_disable_secure ();
gic_dic_clear_enable_all_intr ();
gic_dic_clear_pending_all_intr ();
/* set the priority so all IRQ will trigger exception */
gic_cpu_set_priority_mask (1<<3);
/* enable DIC and CPU IF */
gic_dic_enable_secure ();
gic_cpu_enable ();
return 0;
}
int sc8825_enter_lowpower(void)
{
int status, ret = 0;
unsigned long flags, time;
unsigned int cpu = smp_processor_id();
#ifdef CONFIG_SPRD_PM_DEBUG
__raw_writel(0xfdffbfff, SPRD_INTC0_BASE + 0xc);//intc0
__raw_writel(0x02004000, SPRD_INTC0_BASE + 0x8);//intc0
__raw_writel(0xffffffff, SPRD_INTC0_BASE + 0x100c);//intc1
#endif
time = get_sys_cnt();
if (!hw_irqs_disabled()) {
flags = read_cpsr();
printk("##: Error(%s): IRQ is enabled(%08lx)!\n",
"wakelock_suspend", flags);
}
/*TODO:
* we need to known clock status in modem side
*/
#ifdef FORCE_DISABLE_DSP
status = 0;
#else
#ifdef CONFIG_NKERNEL
status = sc8825_get_clock_status();
#else
/*
* TODO: get clock status in native version, force deep sleep now
*/
status = 0;
#endif
#endif
if (status & DEVICE_AHB) {
/*printk("###### %s, DEVICE_AHB ###\n", __func__ );*/
set_sleep_mode(SLP_MODE_ARM);
arm_sleep();
} else if (status & DEVICE_APB) {
/*printk("###### %s, DEVICE_APB ###\n", __func__ );*/
set_sleep_mode(SLP_MODE_MCU);
mcu_sleep();
} else {
/*printk("###### %s, DEEP ###\n", __func__ );*/
set_sleep_mode(SLP_MODE_DEP);
gic_save_context( );
scu_save_context();
ret = deep_sleep( );
scu_restore_context();
flush_cache_all();
gic_restore_context( );
gic_cpu_enable(cpu);
gic_dist_enable( );
#if 1
void notrace __update_sched_clock(void);
__update_sched_clock();
#endif
}
time_add(get_sys_cnt() - time, ret);
return ret;
}
