/*
************************************************************************************************************
*
* function
*
* 函数名称：
*
* 参数列表：
*
* 返回值 ：
*
* 说明 ：
*
*
************************************************************************************************************
*/
static int eGon2_exit_standby(void)
{
int i;
//关闭电源中断
eGon2_power_int_disable();
//设置电压
eGon2_power_set_dcdc2(-1);
// eGon2_power_set_dcdc3(-1);
//还原所有pll，原来打开的则打开，原来关闭的不处理
standby_clock_restore();
for(i=0;i<80000;i++);//0x100000
//切换时钟到PLL1
standby_clock_to_source(0);
#ifndef CONFIG_AW_FPGA_PLATFORM
//打开dram输出使能
standby_clock_drampll_ouput(1);
//激活dram
standby_tmr_enable_watchdog();
dram_power_up_process(&standby_dram_para);
standby_tmr_disable_watchdog();
#endif
#ifdef STANDBY_CHECK_CRC
standby_after_check_crc();
#endif
//还原中断状态
standby_int_exit();
//还原充电电流
eGon2_config_charge_current(0);
//还原所有的驱动模块
//eGon2_timer_delay(50);
return 0;
}
/*
*********************************************************************************************************
* STANDBY MAIN PROCESS ENTRY
*
* Description: standby main process entry.
*
* Arguments : arg pointer to the parameter that transfered from sys_pwm module.
*
* Returns : none
*
* Note :
*********************************************************************************************************
*/
int main(struct aw_pm_info *arg)
{
char *tmpPtr = (char *)&__bss_start;
if(!arg){
/* standby parameter is invalid */
return -1;
}
/* flush data and instruction tlb, there is 32 items of data tlb and 32 items of instruction tlb,
The TLB is normally allocated on a rotating basis. The oldest entry is always the next allocated */
standby_flush_tlb();
/* preload tlb for standby */
standby_preload_tlb();
/* clear bss segment */
do{*tmpPtr ++ = 0;}while(tmpPtr <= (char *)&__bss_end);
/* copy standby parameter from dram */
standby_memcpy(&pm_info, arg, sizeof(pm_info));
/* copy standby code & data to load tlb */
standby_memcpy((char *)&__standby_end, (char *)&__standby_start, (char *)&__bss_end - (char *)&__bss_start);
/* backup dram traning area */
standby_memcpy((char *)dram_traning_area_back, (char *)DRAM_BASE_ADDR, sizeof(__u32)*DRAM_TRANING_SIZE);
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
/* init module before dram enter selfrefresh */
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
/* initialise standby modules */
standby_clk_init();
standby_int_init();
standby_tmr_init();
standby_power_init();
/* init some system wake source */
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_EXINT){
standby_enable_int(INT_SOURCE_EXTNMI);
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_KEY){
standby_key_init();
standby_enable_int(INT_SOURCE_LRADC);
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_IR){
standby_ir_init();
standby_enable_int(INT_SOURCE_IR0);
standby_enable_int(INT_SOURCE_IR1);
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_ALARM){
//standby_alarm_init();???
standby_enable_int(INT_SOURCE_ALARM);
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_USB){
standby_usb_init();
standby_enable_int(INT_SOURCE_USB0);
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_TIMEOFF){
/* set timer for power off */
if(pm_info.standby_para.time_off) {
standby_tmr_set(pm_info.standby_para.time_off);
standby_enable_int(INT_SOURCE_TIMER0);
}
}
/* save stack pointer registger, switch stack to sram */
sp_backup = save_sp();
/* enable dram enter into self-refresh */
dram_power_save_process();
/* process standby */
standby();
/* enable watch-dog to preserve dram training failed */
standby_tmr_enable_watchdog();
/* restore dram */
dram_power_up_process();
/* disable watch-dog */
standby_tmr_disable_watchdog();
/* restore stack pointer register, switch stack back to dram */
restore_sp(sp_backup);
/* exit standby module */
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_USB){
standby_usb_exit();
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_IR){
standby_ir_exit();
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_ALARM){
//standby_alarm_exit();
}
if(pm_info.standby_para.event & SUSPEND_WAKEUP_SRC_KEY){
standby_key_exit();
}
standby_power_exit();
standby_tmr_exit();
standby_int_exit();
standby_clk_exit();
/* restore dram traning area */
standby_memcpy((char *)DRAM_BASE_ADDR, (char *)dram_traning_area_back, sizeof(__u32)*DRAM_TRANING_SIZE);
/* report which wake source wakeup system */
arg->standby_para.event = pm_info.standby_para.event;
return 0;
}
