BOOL is_force_boot(void)
{
if (rtc_boot_check(true))
{
printf("[%s] Bypass Kernel Power off charging mode and enter Alarm Boot\n", __func__);
return TRUE;
}
else if (meta_mode_check())
{
printf("[%s] Bypass Kernel Power off charging mode and enter Meta Boot\n", __func__);
return TRUE;
}
#ifdef RTC_2SEC_REBOOT_ENABLE
else if (pmic_detect_powerkey() || mtk_wdt_boot_check()==WDT_BY_PASS_PWK_REBOOT || rtc_2sec_boot_check_kpoc() == RTC_2SEC_BOOT_NORMAL)
#else
else if (pmic_detect_powerkey() || mtk_wdt_boot_check()==WDT_BY_PASS_PWK_REBOOT)
#endif
{
printf("[%s] Bypass Kernel Power off charging mode and enter Normal Boot\n", __func__);
g_boot_mode = NORMAL_BOOT;
return TRUE;
}
return FALSE;
}
static boot_reason_t platform_boot_status(void)
{
#if defined (MTK_KERNEL_POWER_OFF_CHARGING)
ulong begin = get_timer(0);
do {
if (rtc_boot_check()) {
print("%s RTC boot!\n", MOD);
return BR_RTC;
}
if(!kpoc_flag)
break;
} while (get_timer(begin) < 1000 && kpoc_flag);
#else
if (rtc_boot_check()) {
print("%s RTC boot!\n", MOD);
return BR_RTC;
}
#endif
if (mtk_wdt_boot_check() == WDT_NORMAL_REBOOT) {
print("%s WDT normal boot!\n", MOD);
return BR_WDT;
} else if (mtk_wdt_boot_check() == WDT_BY_PASS_PWK_REBOOT){
print("%s WDT reboot bypass power key!\n", MOD);
return BR_WDT_BY_PASS_PWK;
}
#if !CFG_FPGA_PLATFORM
/* check power key */
if (mtk_detect_key(8)) {
print("%s Power key boot!\n", MOD);
rtc_mark_bypass_pwrkey();
return BR_POWER_KEY;
}
#endif
#ifndef CFG_EVB_PLATFORM
if (usb_accessory_in()) {
print("%s USB/charger boot!\n", MOD);
return BR_USB;
}
#ifdef RTC_2SEC_REBOOT_ENABLE
//need to unlock rtc PROT
//check after rtc_boot_check() initial finish.
if (rtc_2sec_reboot_check()) {
print("%s 2sec reboot!\n", MOD);
return BR_2SEC_REBOOT;
}
#endif //#ifdef RTC_2SEC_REBOOT_ENABLE
print("%s Unknown boot!\n", MOD);
pl_power_off();
/* should nerver be reached */
#endif
print("%s Power key boot!\n", MOD);
return BR_POWER_KEY;
}
static void mtk_wdt_check_trig_reboot_reason(void)
{
unsigned int interval_val = DRV_Reg32(MTK_WDT_INTERVAL);
reboot_from = RE_BOOT_FROM_UNKNOW;
/* 1. Get reboot reason */
if(0 != mtk_wdt_check_status()){
/* Enter here means this reset is triggered by RGU(WDT) */
print("PL RGU RST: ");
switch(interval_val&MAGIC_NUM_MASK)
{
case PRE_LOADER_MAGIC:
reboot_from = RE_BOOT_FROM_PRE_LOADER;
print("P\n");
break;
case U_BOOT_MAGIC:
reboot_from = RE_BOOT_FROM_U_BOOT;
print("U\n");
break;
case KERNEL_MAGIC:
reboot_from = RE_BOOT_FROM_KERNEL;
print("K\n");
break;
default:
print("??\n"); // RGU reset, but not pr-loader, u-boot, kernel, from where???
break;
}
}else{
/* Enter here means reset may triggered by power off power on */
if( (interval_val&MAGIC_NUM_MASK) == POWER_OFF_ON_MAGIC ){
reboot_from = RE_BOOT_FROM_POWER_ON;
print("PL P ON\n");
}else{
print("PL ?!\n"); // Not RGU trigger reset, and not defautl value, why?
}
}
/* 2. Update interval register value and set reboot flag for u-boot */
interval_val &= ~(RGU_TRIGGER_RESET_MASK|MAGIC_NUM_MASK);
interval_val |= PRE_LOADER_MAGIC;
if(reboot_from == RE_BOOT_FROM_POWER_ON)
interval_val |= IS_POWER_ON_RESET; // bit2==0 means RGU reset
DRV_WriteReg32(MTK_WDT_INTERVAL, interval_val);
/* 3. By pass power key info */
if (mtk_wdt_boot_check() == WDT_BY_PASS_PWK_REBOOT) {
print("Find bypass powerkey flag\n");
} else if (mtk_wdt_boot_check() == WDT_NORMAL_REBOOT) {
print("No bypass powerkey flag\n");
} else {
print("WDT does not trigger reboot\n");
}
}
void platform_usb_auto_detect_flow()
{
print("USB DL Flag is %d when enter preloader \n",g_usbdl_flag);
/*usb download flag haven't set */
if(g_usbdl_flag == 0){
/*set up usbdl flag*/
platform_safe_mode(1,CFG_USB_AUTO_DETECT_TIMEOUT_MS);
print("Preloader going reset and trigger BROM usb auto detectiton!!\n");
/* WDT by pass powerkey reboot */
/* keep the previous status, pass it into reset function */
if (WDT_BY_PASS_PWK_REBOOT == mtk_wdt_boot_check())
mtk_arch_reset(1);
else
mtk_arch_reset(0);
}else{
/*usb download flag have been set*/
}
}
static boot_reason_t platform_boot_status(void)
{
#if defined (MTK_KERNEL_POWER_OFF_CHARGING)
ulong begin = get_timer(0);
do {
if (rtc_boot_check()) {
print("%s RTC boot!\n", MOD);
return BR_RTC;
}
if(!kpoc_flag)
break;
} while (get_timer(begin) < 1000 && kpoc_flag);
#else
if (rtc_boot_check()) {
print("%s RTC boot!\n", MOD);
return BR_RTC;
}
#endif
if (mtk_wdt_boot_check() == WDT_NORMAL_REBOOT) {
print("%s WDT normal boot!\n", MOD);
return BR_WDT;
} else if (mtk_wdt_boot_check() == WDT_BY_PASS_PWK_REBOOT){
print("%s WDT reboot bypass power key!\n", MOD);
return BR_WDT_BY_PASS_PWK;
}
#if !CFG_FPGA_PLATFORM
#ifdef LENOVO_BOOT_TIME_DELAY
/* check power key */
int iLoop=0;
int iCheck_num=3;
int iInterval=250;
int iRet=0;
for(iLoop=0; iLoop < iCheck_num; iLoop++ )
{
iRet = mtk_detect_key(8);
if(false == iRet )
break;
mdelay(iInterval);
}
if (iRet)
{
print("%s Power key boot!\n", MOD);
rtc_mark_bypass_pwrkey();
return BR_POWER_KEY;
}
#else
/* check power key */
if (mtk_detect_key(8)) {
print("%s Power key boot!\n", MOD);
rtc_mark_bypass_pwrkey();
return BR_POWER_KEY;
}
#endif
#endif
#ifndef EVB_PLATFORM
if (usb_accessory_in()) {
print("%s USB/charger boot!\n", MOD);
return BR_USB;
}
print("%s Unknown boot!\n", MOD);
pl_power_off();
/* should nerver be reached */
#endif
print("%s Power key boot!\n", MOD);
return BR_POWER_KEY;
}