static void reset_ga(bus_t busnumber)
{
/* reset ga devices to values stored in data->i2c_values */
I2CDEV_DATA *data = (I2CDEV_DATA *) buses[busnumber].driverdata;
int i, multiplexer_adr;
int multiplex_buses;
multiplex_buses = data->multiplex_buses;
if (multiplex_buses > 0) {
for (multiplexer_adr = 1; multiplexer_adr <= multiplex_buses;
multiplexer_adr++) {
select_bus(multiplexer_adr, busnumber);
/* first PCF 8574 P */
for (i = 32; i <= 39; i++) {
write_PCF8574(busnumber, i,
data->i2c_values[i][multiplexer_adr - 1]);
}
/* now PCF 8574 AP */
for (i = 56; i <= 63; i++) {
write_PCF8574(busnumber, i,
data->i2c_values[i][multiplexer_adr - 1]);
}
}
select_bus(0, busnumber);
}
}
void mlo_erase()
{
static unsigned MSG = 0xaabbccdd;
int ret = 0;
u8 val;
/*Enable USB mux pin cfg enable USB clock */
enable_irqs();
if (usb_open(&usbdev))
return -1;
ret = mmc_init(1);
if (ret != 0){
printf("\n MMC init failed \n");
goto error;
}
ret = mmc_erase(1, (1024*128/MMC_BLOCK_SIZE), 1024*128);
usb_write(&usbdev, &MSG, 4);
/*power off PMIC */
printf("erase ret %d Powering off!\n", ret);
select_bus(CFG_I2C_BUS, CFG_I2C_SPEED);
val = SWITCH_OFF;
i2c_write(TWL6030_PMC_ID, PHOENIX_DEV_ON, 1, &val, 1);
/* we should never get here */
error:
hang();
}
static inline int smb347_i2c_read_u8( u8 *val, u8 reg)
{
int mbid=0;
mbid=get_mbid();
if(mbid>=4)
select_bus(3,100);
return i2c_read(g_smb_address, reg, 1, val, 1);
}
void pwron_check_switch_off(void)
{
u32 t32k_t1, t32k_t2;
u8 val;
select_bus(CFG_I2C_BUS, CFG_I2C_SPEED);
/* if start is on disabled start event, switch off the board */
i2c_read(TWL6030_PMC_ID, PHOENIX_START_CONDITION, 1, &val, 1);
if (val & DISABLED_STRT_EVENTS) {
printf("Start on disabled event.\n");
goto switch_off;
}
/* if start is not on PWRON, skip the power button check */
if (!(val & STRT_ON_PWRON)) {
printf("Start not on PWRON, skiping power button check.\n");
goto clean_and_exit;
}
/* if USB or charger is detected, skip the check so the user
* doesn't need to keep the button pressed for 5sec
*/
i2c_read(TWL6030_PMC_ID, STS_HW_CONDITIONS, 1, &val, 1);
if (val & STS_PLUG_DET) {
printf("Plug detected, skiping power button check.\n");
goto clean_and_exit;
}
printf("Checking power button state... ");
t32k_t1 = t32k_t2 = *((volatile u32 *)OMAP4_32KSYNCNT_CR);
do {
if ((t32k_t2 - t32k_t1) % 328 == 0) {
/* Check poweron button status every 10ms */
i2c_read(TWL6030_PMC_ID, STS_HW_CONDITIONS, 1, &val, 1);
if (val & STS_PWRON) {
printf("RELEASED. NOK.\n");
goto switch_off;
}
}
t32k_t2 = *((volatile u32 *)OMAP4_32KSYNCNT_CR);
} while (t32k_t2 - t32k_t1 < PWRON_CHECK_DURATION);
printf("PRESSED. OK\n");
clean_and_exit:
val = 0x00;
i2c_write(TWL6030_PMC_ID, PHOENIX_START_CONDITION, 1, &val, 1);
return;
switch_off:
printf("Powering off!\n");
val = SWITCH_OFF;
i2c_write(TWL6030_PMC_ID, PHOENIX_DEV_ON, 1, &val, 1);
/* we should never get here */
hang();
}
/* Functions to read and write from SMB347 */
static inline int smb347_i2c_write_u8( u8 val, u8 reg)
{
// printf("Charger: reg=0x%x value=0x%x \n",reg,val);
int mbid=0;
mbid=get_mbid();
if(mbid>=4)
select_bus(3,100);
return i2c_write(g_smb_address, reg, 1, &val, 1);
}
void lp855x_restore_i2c(void)
{
int r;
if ((r = select_bus(0, CFG_I2C_SPEED)) != 0) {
printf("select_bus failed: %d\n", r);
}
i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
}
void pmic_close_vpp(void)
{
u8 data = 0;
select_bus(CFG_I2C_BUS, CFG_I2C_SPEED);
data = 0x20;
i2c_write(0x48, 0x9e, 1, &data, 1); // VPP_CFG_STATE
return ;
}
void lp855x_set_brightness(u8 brightness)
{
int r;
if ((r = select_bus(2, 100)) != 0) {
printf("select_bus failed: %d\n", r);
}
i2c_init(100, LP8556_I2C_ADDR);
lp855x_i2c_write(BRIGHTNESS_CTRL, brightness);
}
/**********************************************
* Routine: dram_init
* Description: sets uboots idea of sdram size
**********************************************/
int dram_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
unsigned int size0 = 0, size1 = 0;
u32 mtype, btype;
#ifdef CONFIG_DRIVER_OMAP24XX_I2C
u8 data;
#endif
#define NOT_EARLY 0
#ifdef CONFIG_DRIVER_OMAP24XX_I2C
i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
select_bus(1, CFG_I2C_SPEED); /* select bus with T2 on it */
#endif
btype = get_board_type();
mtype = get_mem_type();
display_board_info(btype);
#ifdef CONFIG_DRIVER_OMAP24XX_I2C
if (btype == BOARD_SDP_2430_T2) {
/* Enable VMODE following voltage switching */
data = 0x24; /* set the floor voltage to 1.05v */
i2c_write(I2C_TRITON2, 0xBB, 1, &data, 1);
data = 0x38; /* set the roof voltage to 1.3V */
i2c_write(I2C_TRITON2, 0xBC, 1, &data, 1);
data = 0x0; /* set jump mode for VDD voltage transition */
i2c_write(I2C_TRITON2, 0xBD, 1, &data, 1);
data = 1; /* enable voltage scaling */
i2c_write(I2C_TRITON2, 0xBA, 1, &data, 1);
}
#endif
if ((mtype == DDR_COMBO) || (mtype == DDR_STACKED)) {
/* init other chip select and map CS1 right after CS0 */
do_sdrc_init(SDRC_CS1_OSET, NOT_EARLY);
}
size0 = get_sdr_cs_size(SDRC_CS0_OSET);
size1 = get_sdr_cs_size(SDRC_CS1_OSET);
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = size0;
gd->bd->bi_dram[1].start = PHYS_SDRAM_1+size0;
gd->bd->bi_dram[1].size = size1;
return 0;
}
void lp855x_on(u8 cfg)
{
int r;
if ((r = select_bus(2, 100)) != 0) {
printf("select_bus failed: %d\n", r);
goto out;
}
i2c_init(100, LP8556_I2C_ADDR);
lp855x_i2c_write(BRIGHTNESS_CTRL, 0);
lp855x_i2c_write(DEVICE_CTRL, 1 | (2 << 1));
lp855x_i2c_write(CFG5_REG, cfg);
out:
return r;
}
void muic_for_download(int mode)
{
int ret;
if(mode == 0)
{
select_bus(I2C3 , OMAP_I2C_STANDARD);
usif1_switch_ctrl(USIF1_IPC);
dp3t_switch_ctrl(2);
ret = muic_i2c_write_byte(SW_CONTROL, DP_UART | DM_UART);
}
else
dp3t_switch_ctrl(DP3T_S3_CP_USB);
printf("CP_USB is set(910Kohm)\n");
}
void pmic_set_vpp(void)
{
u8 data = 0;
select_bus(CFG_I2C_BUS, CFG_I2C_SPEED);
data = 0x1;
i2c_write(0x48, 0x9c, 1, &data, 1); // VPP_CFG_GRP
data = 0x3;
i2c_write(0x48, 0x9d, 1, &data, 1); // VPP_CFG_TRANS
data = 0x21;
i2c_write(0x48, 0x9e, 1, &data, 1); // VPP_CFG_STATE
data = 0x8;
i2c_write(0x48, 0x9f, 1, &data, 1); // VPP_CFG_VOLTAGE
return ;
}
void start_armboot (void)
{
init_fnc_t **init_fnc_ptr;
uchar *buf;
char boot_dev_name[8];
u32 si_type, omap4_rev;
int len = 0;
u8 val = SWITCH_OFF;
image_type image;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0) {
hang ();
}
}
image.image = 2;
image.val =99;
omap4_rev = omap_revision();
if (omap4_rev >= OMAP4460_ES1_0) {
omap_temp_sensor_check();
if (omap4_rev == OMAP4470_ES1_0) {
writel(((TSHUT_HIGH_ADC_CODE << 16) |
TSHUT_COLD_ADC_CODE), CORE_TSHUT_THRESHOLD);
MV1(WK(CONTROL_SPARE_RW) , (M1));
}
si_type = omap4_silicon_type();
if (si_type == PROD_ID_1_SILICON_TYPE_HIGH_PERF)
printf("OMAP4470: 1.5 GHz capable SOM\n");
else if (si_type == PROD_ID_1_SILICON_TYPE_STD_PERF)
printf("OMAP4470: 1.3 GHz capable SOM\n");
}
#ifdef CONFIG_USBBOOT_ERASER
/* Erase mlo and poweroff */
mlo_erase();
#else
#ifdef CONFIG_USBBOOT
/*usb boot does not check power button */
printf("boot_device=0x%x boot_mode=0x%x\n", get_boot_device(), get_boot_mode());
printf("id_code=%08x\n", readl(CONTROL_ID_CODE));
#endif
#ifdef CONFIG_USBOOT_MEMTEST
/* the device will power off after the test */
mem_test();
/*power off PMIC */
printf("Memtest done, powering off!\n");
select_bus(CFG_I2C_BUS, CFG_I2C_SPEED);
val = SWITCH_OFF;
i2c_write(TWL6030_PMC_ID, PHOENIX_DEV_ON, 1, &val, 1);
/* we should never get here */
hang();
#endif
#ifdef START_LOADB_DOWNLOAD
strcpy(boot_dev_name, "UART");
do_load_serial_bin (CFG_LOADADDR, 115200);
#else
buf = (uchar *) (CFG_LOADADDR - 0x120);
image.data = (uchar *) (CFG_LOADADDR - 0x120);
switch (get_boot_device()) {
#ifdef CONFIG_USBBOOT
case 0x45:
printf("boot_dev=USB\n");
strcpy(boot_dev_name, "USB");
/* read data from usb and write to sdram */
if (usb_read_bootloader(&len) != 0) {
hang();
}
printf("usb read len=%d\n", len);
break;
#else
case 0x03:
strcpy(boot_dev_name, "ONENAND");
#if defined(CFG_ONENAND)
for (i = ONENAND_START_BLOCK; i < ONENAND_END_BLOCK; i++) {
if (!onenand_read_block(buf, i))
buf += ONENAND_BLOCK_SIZE;
else
goto error;
}
#endif
break;
case 0x02:
default:
strcpy(boot_dev_name, "NAND");
#if defined(CFG_NAND)
for (i = NAND_UBOOT_START; i < NAND_UBOOT_END;
i+= NAND_BLOCK_SIZE) {
if (!nand_read_block(buf, i))
buf += NAND_BLOCK_SIZE; /* advance buf ptr */
}
#endif
break;
case 0x05:
strcpy(boot_dev_name, "MMC/SD1");
#if defined(CONFIG_MMC)
if (mmc_read_bootloader(0) != 0)
goto error;
#endif
break;
case 0x06:
strcpy(boot_dev_name, "EMMC");
#if defined(CONFIG_MMC)
if (mmc_read_bootloader(1) != 0)
goto error;
#endif
break;
#endif /* CONFIG_USBBOOT */
};
#endif
SEC_ENTRY_Std_Ppa_Call ( PPA_SERV_HAL_BN_CHK , 1 , &image );
if ( image.val == 0 ) {
/* go run U-Boot and never return */
printf("Starting OS Bootloader from %s ...\n", boot_dev_name);
((init_fnc_t *)CFG_LOADADDR)();
}
/* should never come here */
#if defined(CFG_ONENAND) || defined(CONFIG_MMC)
error:
#endif
printf("Could not read bootloader!\n");
hang();
#endif /* CONFIG_USBBOOT_ERASER */
}
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");
}
}
/*
*
* The main worker-thread for the i2c-dev device
* Enters an endless loop that waits for commands and
* executes them.
*
* Currently we only support GA-devices
*
*/
void *thr_sendrec_I2C_DEV(void *v)
{
char msg[1000];
ga_state_t gatmp;
int last_cancel_state, last_cancel_type;
bus_thread_t *btd = (bus_thread_t *) malloc(sizeof(bus_thread_t));
if (btd == NULL)
pthread_exit((void *) 1);
btd->bus = (bus_t) v;
btd->fd = -1;
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &last_cancel_state);
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &last_cancel_type);
/*register cleanup routine */
pthread_cleanup_push((void *) end_bus_thread, (void *) btd);
syslog_bus(btd->bus, DBG_INFO, "i2c-dev bus started (device = %s).",
buses[btd->bus].device.file.path);
I2CDEV_DATA *data = buses[btd->bus].driverdata;
int ga_reset_devices = data->ga_reset_devices;
buses[btd->bus].watchdog = 1;
/* command processing starts here */
while (true) {
/* process POWER changes */
if (buses[btd->bus].power_changed == 1) {
/* dummy select, power state is directly read by select_bus() */
select_bus(0, btd->bus);
buses[btd->bus].power_changed = 0;
infoPower(btd->bus, msg);
enqueueInfoMessage(msg);
if ((ga_reset_devices == 1)
&& (buses[btd->bus].power_state == 1)) {
reset_ga(btd->bus);
}
}
/* do nothing, if power is off */
if (buses[btd->bus].power_state == 0) {
if (usleep(1000) == -1) {
syslog_bus(btd->bus, DBG_ERROR,
"usleep() failed: %s (errno = %d)\n",
strerror(errno), errno);
}
continue;
}
buses[btd->bus].watchdog = 4;
/* process GA commands */
if (!queue_GA_isempty(btd->bus)) {
dequeueNextGA(btd->bus, &gatmp);
handle_i2c_set_ga(btd->bus, &gatmp);
setGA(btd->bus, gatmp.id, gatmp);
select_bus(0, btd->bus);
buses[btd->bus].watchdog = 6;
}
if (usleep(1000) == -1) {
syslog_bus(btd->bus, DBG_ERROR,
"usleep() failed: %s (errno = %d)\n",
strerror(errno), errno);
}
}
/*run the cleanup routine */
pthread_cleanup_pop(1);
return NULL;
}
/* Handle set command of GA */
static int handle_i2c_set_ga(bus_t bus, ga_state_t * gatmp)
{
I2C_ADDR i2c_addr;
I2C_VALUE i2c_val;
I2C_VALUE value;
I2C_PORT port;
I2C_MUX_BUS mult_busnum;
I2CDEV_DATA *data = (I2CDEV_DATA *) buses[bus].driverdata;
int addr;
int reset_old_value;
int ga_min_active_time = data->ga_min_active_time;
int ga_hardware_inverters = data->ga_hardware_inverters;
addr = gatmp->id;
port = gatmp->port;
value = gatmp->action;
mult_busnum = (addr / 256) + 1;
select_bus(mult_busnum, bus);
i2c_addr = (addr % 256);
/* gettimeofday(gatmp->tv[0], NULL); */
if (gatmp->activetime >= 0) {
gatmp->activetime = (gatmp->activetime > ga_min_active_time) ?
gatmp->activetime : ga_min_active_time;
reset_old_value = 1;
}
else {
gatmp->activetime = ga_min_active_time; /* always wait minimum time */
reset_old_value = 0;
}
syslog_bus(bus, DBG_DEBUG, "i2c_addr = %d on multiplexed bus #%d",
i2c_addr, mult_busnum);
/* port: 0 - direct write of value to device */
/* other - select port pins directly, value = {0,1} */
if (port == 0) {
/* write directly to device */
if (ga_hardware_inverters == 1) {
i2c_val = ~value;
}
else {
i2c_val = value;
}
}
else {
/* set bit for selected port to 1 */
I2C_VALUE pin_bit = 1 << (port - 1);
value = (value & 1);
i2c_val = data->i2c_values[i2c_addr][mult_busnum - 1];
if (ga_hardware_inverters == 1) {
value = (~value) & 1;
}
if (value != 0) { /* Set bit */
i2c_val |= pin_bit;
}
else { /* Reset bit */
i2c_val &= (~pin_bit);
}
}
if (write_i2c_dev(bus, i2c_addr, i2c_val) < 0) {
syslog_bus(bus, DBG_ERROR, "Device not found at address %d", addr);
return (-1);
}
if (usleep((unsigned long) gatmp->activetime * 1000) == -1) {
syslog_bus(bus, DBG_ERROR,
"usleep() failed: %s (errno = %d)\n",
strerror(errno), errno);
}
if (reset_old_value == 1) {
if (write_i2c_dev
(bus, i2c_addr,
data->i2c_values[i2c_addr][mult_busnum - 1]) < 0) {
syslog_bus(bus, DBG_ERROR, "Device not found at address %d",
addr);
return (-1);
}
if (usleep((unsigned long) gatmp->activetime * 1000) == -1) {
syslog_bus(bus, DBG_ERROR,
"usleep() failed: %s (errno = %d)\n",
strerror(errno), errno);
}
}
else {
data->i2c_values[i2c_addr][mult_busnum - 1] = i2c_val;
}
return (0);
}
int off_mode_start( void )
{
printf(" +++ off_mode_start +++\n");
int bootup_reason;
off_mode_charging_info.battery_info = g_BatteryID;
printf(" #### Battery ID: %d ####\n", off_mode_charging_info.battery_info);
off_mode_charging_info.bootup_reason = twl4030_bootup_reason_get();
bootup_reason = off_mode_charging_info.bootup_reason;
if (bootup_reason == BOOTUP_8S_OFF)
{
printf("[pwr key 8s]: ");
bootup_reason = BOOTUP_POWER_KEY;
}
else if (bootup_reason == BOOTUP_8S_OFF_CABLE)
{
printf("[pwr key 8s + cable]: ");
bootup_reason = BOOTUP_CABLE_IN;
}
//&*&*&*HC1_20110727, Add rtc bootup check
else if (bootup_reason == BOOTUP_8S_OFF_RTC)
{
printf("[pwr key 8s + rtc]: ");
bootup_reason = BOOTUP_RTC;
}
//&*&*&*HC2_20110727, Add rtc bootup check
// select I2C0
select_bus(0, 100);
if (bootup_reason & BOOTUP_POWER_KEY)
{
printf("power key detect...\n");
//&*&*&*HC1_20110503, Adjust long press time (ref. bsp spec v0.6)
//&*&*&*HC1_20110428, enable pwr key long press function
#if CONFIG_PWRKEY_LONGPRESS
if (pwrkey_press_check(PWRKEY_PRESS_TIME_STARTUP, bootup_reason))
bootup_reason = BOOTUP_POWER_KEY;
else
bootup_reason = BOOTUP_UNKNOWN;
#endif // #if CONFIG_PWRKEY_LONGPRESS
//&*&*&*HC2_20110428, enable pwr key long press function
//&*&*&*HC2_20110503, Adjust long press time (ref. bsp spec v0.6)
off_mode_charging_info.bootup_reason = bootup_reason;
off_mode_charging();
}
else if (bootup_reason & BOOTUP_CABLE_IN)
{
printf("cable detect...\n");
off_mode_charging_info.bootup_reason = bootup_reason;
off_mode_charging();
}
else if (bootup_reason & BOOTUP_BATTERY_DETECT)
{
printf("battery detect...\n");
#ifdef CONFIG_DISCHARGING_EXPERIMENTATION
off_mode_charging();
#else
twl4030_poweroff();
#endif
}
//&*&*&*HC1_20110727, Add rtc bootup check
else if (bootup_reason & BOOTUP_RTC)
{
printf("rtc alarm...\n");
twl4030_alarm_it_enable(0);
twl4030_poweroff();
}
//&*&*&*HC2_20110727, Add rtc bootup check
else
{
//&*&*&*HC1_20110221, let reboot pass the check
printf("reboot ...\n");
//&*&*&*HC2_20110221, let reboot pass the check
}
#if CONFIG_CHARGING_REDUCE_SYS_LOAD
//if (bootup_reason & BOOTUP_CABLE_IN)
if(off_mode_charging_info.enter_reduce_frequencce)
{
change_mem_freq(1);
change_cpu_freq(1);
post_charging_configure();
}
printf("end of uBoot boot_reason :%d...\n", bootup_reason);
#endif //CHARGING_REDUCE_SYS_LOAD
return 0;
}
int muic_init(int isFactoryReset)
{
unsigned int retain_mode = NO_RETAIN;
unsigned char i2c_ret;
unsigned char reg_val;
unsigned char muic_device;
MUIC_MODE_TYPE muic_mode = MUIC_OPEN;
char cmd_line[256];
strcpy(cmd_line, getenv("bootargs"));
#if defined(CONFIG_COSMO_EVB_B) || defined(CONFIG_COSMO_EVB_C)
printf("muic chip : I2C4\n");
select_bus(I2C4 , OMAP_I2C_STANDARD);
#else
printf("muic chip : I2C3\n");
select_bus(I2C3 , OMAP_I2C_STANDARD);
#endif
i2c_init(OMAP_I2C_STANDARD, MUIC_SLAVE_ADDR);
i2c_ret = muic_i2c_read_byte(DEVICE_ID, ®_val);
if ((reg_val & 0xf0) == 0x10)
muic_device = TS5USBA33402;
else if ((reg_val & 0xf0) == 0x20)
muic_device = MAX14526;
else if ((reg_val & 0xf0) == ANY_VANDOR_ID)
muic_device = ANY_VANDOR;
if (downloadkey()){
write_muic_retain_mode(NO_RETAIN);
printf("[MUIC] No retain\n");
}
retain_mode = read_muic_retain_mode();
printf("muic_init muic vendor : %d, reg_val:0x%x, retain_mode = %d\n", muic_device, reg_val, retain_mode);
if (muic_device == TS5USBA33402) {
printf("muic chip : TS5USBA33402\n");
if (retain_mode == RETAIN_AP_USB) {
muic_i2c_write_byte(CONTROL_1, ID_200 | SEMREN | CP_EN);
muic_i2c_write_byte(SW_CONTROL, USB);
muic_mode = MUIC_USB;
check_charging_mode(&muic_mode);
printf("[MUIC] retain AP_USB\n");
printf("\n###[MUIC] USB charger may not have enough power to boot up depends on your board condition..... ###\n");
printf("\n###[MUIC] You'd better to use TA or PIF for power supply. ###\n");
strcat(cmd_line, " muic=2");
setenv("bootargs", cmd_line);
} else if (retain_mode == RETAIN_CP_USB) {
muic_i2c_write_byte(SW_CONTROL, OPEN);
dp3t_switch_ctrl(DP3T_NC);
muic_mode = MUIC_USB;
check_charging_mode(&muic_mode);
printf("[MUIC] retain CP_USB\n");
strcat(cmd_line, " muic=3");
setenv("bootargs", cmd_line);
} else
muic_mode = muic_device_ts5usba33402(isFactoryReset, cmd_line);
} else if (muic_device == MAX14526) {
printf("muic chip : MAX14526\n");
if (retain_mode == RETAIN_AP_USB) {
muic_i2c_write_byte(CONTROL_1, ID_200 | ADC_EN | CP_EN);
muic_i2c_write_byte(SW_CONTROL, USB);
muic_mode = MUIC_USB;
check_charging_mode(&muic_mode);
printf("[MUIC] retain AP_USB\n");
printf("\n###[MUIC] USB charger may not have enough power to boot up depends on your board condition..... ###\n");
printf("\n###[MUIC] You'd better to use TA or PIF for power supply. ###\n");
strcat(cmd_line, " muic=2");
setenv("bootargs", cmd_line);
} else if (retain_mode == RETAIN_CP_USB) {
muic_i2c_write_byte(SW_CONTROL, OPEN);
dp3t_switch_ctrl(DP3T_NC);
muic_mode = MUIC_USB;
check_charging_mode(&muic_mode);
printf("[MUIC] retain CP_USB\n");
strcat(cmd_line, " muic=3");
setenv("bootargs", cmd_line);
} else
muic_mode = muic_device_max14526(isFactoryReset, cmd_line);
} else
printf("[MUIC] ANY VENDOR, Not supported\n");
select_bus(I2C1, OMAP_I2C_STANDARD);
return muic_mode;
}
