/*******************************************************
* Routine: misc_init_r
* Description: Init ethernet (done here so udelay works)
********************************************************/
int misc_init_r(void)
{
#ifdef CONFIG_DRIVER_OMAP34XX_I2C
unsigned char data;
i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
twl4030_power_reset_init();
/* see if we need to activate the power button startup */
char *s = getenv("pbboot");
if (s) {
/* figure out why we have booted */
i2c_read(0x4b, 0x3a, 1, &data, 1);
/* if status is non-zero, we didn't transition
* from WAIT_ON state
*/
if (data) {
printf("Transitioning to Wait State (%x)\n", data);
/* clear status */
data = 0;
i2c_write(0x4b, 0x3a, 1, &data, 1);
/* put PM into WAIT_ON state */
data = 0x01;
i2c_write(0x4b, 0x46, 1, &data, 1);
/* no return - wait for power shutdown */
while (1) {;}
}
printf("Transitioning to Active State (%x)\n", data);
/* turn on long pwr button press reset*/
data = 0x40;
i2c_write(0x4b, 0x46, 1, &data, 1);
printf("Power Button Active\n");
}
#endif
//&*&*&*20101201_Peter ++
twl4030_usb_init();
twl4030_keypad_init();
twl4030_madc_init();
twl4030_vadc_onoff(1);
//&*&*&*20101201_Peter --
dieid_num_r();
return (0);
}
void off_mode_charging( void )
{
int bootup_reason = BOOTUP_UNKNOWN;
#if CONFIG_MAX17043_GAUGE
union power_supply_propval BatteryVol = {0,};
union power_supply_propval BatteryCap = {0,};
int model_count = 0;
#elif CONFIG_TWL4030_MADC_VBAT
int BatteryCap = 0, BatteryVol = 0;
#endif
#ifdef CONFIG_DISCHARGING_EXPERIMENTATION
int quick_once = 1;
#endif
#if CONFIG_MAX17043_GAUGE
select_bus(1, 100);
off_mode_charging_info.write_model_false = max17043_write_custom_model();
mdelay(500);
//#ifndef CONFIG_DISCHARGING_EXPERIMENTATION
//if(!off_mode_charging_info.write_model_false)
//{
//max17043_quick_start();
//mdelay(1000);
//}
//#endif
#elif CONFIG_TWL4030_MADC_VBAT
twl4030_vadc_onoff(1);
twl4030_madc_init();
#endif
bootup_reason = off_mode_charging_info.bootup_reason;
while (1)
{
#if CONFIG_MAX17043_GAUGE
// select I2C2
select_bus(1, 100);
ds278x_battery_get_property(POWER_SUPPLY_PROP_VOLTAGE_NOW, &BatteryVol);
ds278x_battery_get_property(POWER_SUPPLY_PROP_CAPACITY, &BatteryCap);
if (off_mode_charging_info.write_model_false)
{
model_count++;
if ((model_count%2) == 0)
{
off_mode_charging_info.write_model_false = off_mode_custom_model_retry();
}
}
#elif CONFIG_TWL4030_MADC_VBAT
BatteryVol = twl4030_get_battery_voltage();
printf("**** Off Mode Charging(from MADC) *****\n");
printf("**** VOLTAGE: %d ********\n", BatteryVol);
printf("**** End Of Off Mode Charging ****\n");
#endif
//mdelay(1000);
// select I2C1
select_bus(0, 100);
off_mode_charging_info.cable_exist = dc_ok_detect();
#ifdef CONFIG_DISCHARGING_EXPERIMENTATION
off_mode_charging_info.cable_exist = 0;
#endif
if ((twl4030_bootup_reason_get() & BOOTUP_POWER_KEY) || (bootup_reason & BOOTUP_POWER_KEY))
{
//&*&*&*HC1_20110503, Adjust long press time (ref. bsp spec v0.6)
//&*&*&*HC1_20110428, enable pwr key long press function
#if CONFIG_PWRKEY_LONGPRESS
if ((bootup_reason != BOOTUP_POWER_KEY) && (!pwrkey_press_check(PWRKEY_PRESS_TIME_CHARGING, bootup_reason)))
{
bootup_reason = BOOTUP_UNKNOWN;
continue;
}
#endif // CONFIG_PWRKEY_LONGPRESS
//&*&*&*HC2_20110428, enable pwr key long press function
//&*&*&*HC2_20110503, Adjust long press time (ref. bsp spec v0.6)
#if (defined(CONFIG_TWL4030_MADC_VBAT) || defined(CONFIG_MAX17043_GAUGE))
//&*&*&*AL1_20110528, different voltage between cable exist and not.
#if CONFIG_MAX17043_GAUGE
if((BatteryVol.intval < POWER_ON_VOLTAGE_NO_CABLE) && (off_mode_charging_info.cable_exist == 1))
{
bootup_reason = BOOTUP_UNKNOWN;
#if CONFIG_KEY_LIGHT_NOTIFICATION
key_light_flash(3);
#endif // CONFIG_KEY_LIGHT_NOTIFICATION
printf("Battery voltage < 3.5V with no cable, can't boot up !!!\n");
}
else if((off_mode_charging_info.CableInType == CABLE_AC) && (off_mode_charging_info.cable_exist == 0))
{
if(BatteryVol.intval < POWER_ON_VOLTAGE_WITH_AC_CABLE)
{
bootup_reason = BOOTUP_UNKNOWN;
#if CONFIG_KEY_LIGHT_NOTIFICATION
key_light_flash(3);
#endif // CONFIG_KEY_LIGHT_NOTIFICATION
printf("Battery voltage < 3.3V with AC cable, can't boot up !!!\n");
}
else
break;
}
else if((off_mode_charging_info.CableInType == CABLE_USB) && (off_mode_charging_info.cable_exist == 0))
{
if(BatteryVol.intval < POWER_ON_VOLTAGE_WITH_USB_CABLE)
{
bootup_reason = BOOTUP_UNKNOWN;
#if CONFIG_KEY_LIGHT_NOTIFICATION
key_light_flash(3);
#endif // CONFIG_KEY_LIGHT_NOTIFICATION
printf("Battery voltage < 3.5V with USB cable, can't boot up !!!\n");
}
else
break;
}
//&*&*&*AL2_20110528, different voltage between cable exist and not.
#elif CONFIG_TWL4030_MADC_VBAT
if(BatteryVol < POWER_ON_VOLTAGE)
{
bootup_reason = BOOTUP_UNKNOWN;
printf("Battery voltage < 3.6V with no cable, can't boot up !!!\n");
}
#endif
else
{
#if CONFIG_KEY_LIGHT_NOTIFICATION
// power on, keep key light on
key_light_flash(0);
#endif // CONFIG_KEY_LIGHT_NOTIFICATION
break;
}
#else
printf("No battery voltage checking implementation! !!\n");
break;
#endif
//&*&*&*HC2_20110103, enable the battery check
//&*&*&*HC2_20101230, disable the battery check
}
if(off_mode_charging_info.cable_exist == 1)
{
printf("Not a vaild long press !!! Please press and hold pwr key more than 1 sec.\n");
twl4030_poweroff();
break;
}
else
{
if (off_mode_charging_info.CableInType == CABLE_UNKNOW)
{
off_mode_charging_info.CableInType = twl4030_get_cable_type();
if(off_mode_charging_info.CableInType == USB_EVENT_VBUS)
{
off_mode_charging_info.CableInType = CABLE_USB;
printf("\n **** USB Cable: Start 500mA**** \n");
}
else
{
off_mode_charging_info.CableInType = CABLE_AC;
printf("\n **** AC Cable: Start 1500mA**** \n");
}
#if CONFIG_CHARGING_REDUCE_SYS_LOAD
pre_charging_configure();
change_cpu_freq(0);
change_mem_freq(0);
off_mode_charging_info.enter_reduce_frequencce = 1;
#endif //CHARGING_REDUCE_SYS_LOAD
}
if(off_mode_charging_info.CableInType == CABLE_AC)
charging_mode(CHARGING_START_1000MA);
else
charging_mode(CHARGING_START_500MA);
}
#ifdef CONFIG_MAX17043_DEBUG_MESSAGE_FORMAT
select_bus(1, 100);
max1704x_register_dump();
mdelay(5000);
#endif
mdelay(1000);
// control charging LED
off_mode_charging_info.is_charging_complete = chg_status_detect();
charging_led_notification(off_mode_charging_info.is_charging_complete, BatteryCap.intval);
off_mode_charging_info.charging_fault = chg_fault_detect();
/* wait for redeuce frequence to get accurate capacity */
#ifdef CONFIG_DISCHARGING_EXPERIMENTATION
if(!off_mode_charging_info.write_model_false && quick_once)
{
select_bus(1, 100);
max17043_quick_start();
mdelay(1000);
quick_once = 0;
}
//if(BatteryCap.intval == 2)
//{
//select_bus(0, 100);
//twl4030_poweroff();
//break;
//}
#endif
if(off_mode_charging_info.charging_fault == 0)
{
printf("\n **** charging_fault:%d, charging time out, re-toggle CEN pin.***** \n", off_mode_charging_info.charging_fault);
charging_mode(CHARGING_STOP);
}
printf("\n");
}
}