int aw_pm_begin(suspend_state_t state)
{
PM_DBG("%d state begin:%d\n", state,debug_mask);
//set freq max
#ifdef CONFIG_CPU_FREQ_USR_EVNT_NOTIFY
//cpufreq_user_event_notify();
#endif
/*must init perfcounter, because delay_us and delay_ms is depandant perf counter*/
#ifndef GET_CYCLE_CNT
backup_perfcounter();
init_perfcounters (1, 0);
#endif
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("before dev suspend , line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
return 0;
}
int aw_pm_begin(suspend_state_t state)
{
struct cpufreq_policy *policy;
PM_DBG("%d state begin:%d\n", state,debug_mask);
//set freq max
#ifdef CONFIG_CPU_FREQ_USR_EVNT_NOTIFY
//cpufreq_user_event_notify();
#endif
backup_max_freq = 0;
backup_min_freq = 0;
policy = cpufreq_cpu_get(0);
if (!policy)
{
PM_DBG("line:%d cpufreq_cpu_get failed!\n", __LINE__);
goto out;
}
backup_max_freq = policy->max;
backup_min_freq = policy->min;
policy->user_policy.max= suspend_freq;
policy->user_policy.min = suspend_freq;
cpufreq_cpu_put(policy);
cpufreq_update_policy(0);
/*must init perfcounter, because delay_us and delay_ms is depandant perf counter*/
#ifndef GET_CYCLE_CNT
backup_perfcounter();
init_perfcounters (1, 0);
#endif
if(unlikely(debug_mask&PM_STANDBY_PRINT_REG)){
printk("before dev suspend , line:%d\n", __LINE__);
show_reg(SW_VA_CCM_IO_BASE, (CCU_REG_LENGTH)*4, "ccu");
show_reg(SW_VA_PORTC_IO_BASE, GPIO_REG_LENGTH*4, "gpio");
show_reg(SW_VA_TIMERC_IO_BASE, TMR_REG_LENGTH*4, "timer");
show_reg(SW_VA_TWI0_IO_BASE, TWI0_REG_LENGTH*4, "twi0");
show_reg(SW_VA_SRAM_IO_BASE, SRAM_REG_LENGTH*4, "sram");
if (userdef_reg_addr != 0 && userdef_reg_size != 0)
{
show_reg(userdef_reg_addr, userdef_reg_size*4, "user defined");
}
}
return 0;
out:
return -1;
}