int cm_do_md_go(void)
{
int ret = -1;
if (is_hold_rst)
{
is_hold_rst=0;
unsigned int retry = 100;
EMD_MSG_INF("chr","cm_do_md_go:1\n");
EMD_MSG_INF("chr","cm_do_md_go2:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
cm_relese_rst_signal();
EMD_MSG_INF("chr","cm_do_md_go3:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
// Check WDT pin to high
while(retry>0){
retry--;
if(mt_get_gpio_in(GPIO_EXT_MD_WD)==0)
{
msleep(10);
}
else
{
ret=100-retry;
break;
}
}
atomic_set(&traffic_on, 1);
msleep(1000); // for use AP_WK_MD as EXT_MD_META, give 6261 bootloader sometime to read boot mode
atomic_set(&allow_wk_md, 1);
cm_hold_wakeup_md_signal();
EMD_MSG_INF("chr","cm_do_md_go4:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
msleep(POWER_ON_HOLD_TIME);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 0);
}
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 1);
cm_enable_ext_md_wdt_irq();
cm_enable_ext_md_wakeup_irq();
cm_enable_ext_md_exp_irq();
//msleep(50); // WDT IRQ is level triggered now, no need this debounce
ignore_wdt_interrupt = 0;
return ret;
}
int cm_do_md_go(void)
{
int ret = -1;
if (is_hold_rst)
{
is_hold_rst=0;
unsigned int retry = 100;
EMD_MSG_INF("chr","cm_do_md_go:1\n");
EMD_MSG_INF("chr","cm_do_md_go2:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
cm_relese_rst_signal();
atomic_set(&traffic_on, 1);
EMD_MSG_INF("chr","cm_do_md_go3:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
// Check WDT pin to high
while(retry>0){
retry--;
if(mt_get_gpio_in(GPIO_EXT_MD_WD)==0)
{
msleep(10);
}
else
{
ret=100-retry;
break;
}
}
EMD_MSG_INF("chr","cm_do_md_go4:GPIO_EXT_MD_RST(out)=%d,GPIO_EXT_MD_WD(in)=%d\n",mt_get_gpio_out(GPIO_EXT_MD_RST),mt_get_gpio_in(GPIO_EXT_MD_WD));
msleep(POWER_ON_HOLD_TIME);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 0);
}
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 1);
cm_enable_ext_md_wdt_irq();
cm_enable_ext_md_wakeup_irq();
cm_enable_ext_md_exp_irq();
msleep(50);
ignore_wdt_interrupt = 0;
return ret;
}
int cm_enter_md_download_mode(void)
{
#ifdef CONFIG_MTK_DT_USB_SUPPORT
#ifdef CONFIG_PM_RUNTIME
/* make sure usb device tree is waked up so that usb is ready */
usb11_auto_resume();
#endif
#endif
EMD_MSG_INF("chr","cm_do_md_power_on:set GPIO_EXT_MD_DL_KEY(%d)\n",GPIO_EXT_MD_DL_KEY);
// Press download key to let md can enter download mode
mt_set_gpio_dir(GPIO_EXT_MD_DL_KEY, 1);
#ifdef GPIO_EXT_USB_SW2
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 0);
EMD_MSG_INF("chr","cm_do_md_power_on:set evb GPIO_EXT_MD_DL_KEY=%d\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY));
#else
mt_set_gpio_out(GPIO_EXT_MD_DL_KEY, 1);
EMD_MSG_INF("chr","cm_do_md_power_on:set phone GPIO_EXT_MD_DL_KEY=%d\n",mt_get_gpio_out(GPIO_EXT_MD_DL_KEY));
#endif
mt_set_gpio_dir(GPIO_EXT_MD_WK_AP, 0);
mt_set_gpio_pull_enable(GPIO_EXT_MD_WK_AP, 1);
mt_set_gpio_pull_select(GPIO_EXT_MD_WK_AP, 0);
// Press power key
mt_set_gpio_dir(GPIO_EXT_MD_PWR_KEY, 1);
mt_set_gpio_out(GPIO_EXT_MD_PWR_KEY, 1);
msleep(POWER_ON_WAIT_RESET_TIME);
ignore_wdt_interrupt = 1;
cm_hold_rst_signal();
msleep(RESET_WAIT_RELEASE_TIME);
cm_relese_rst_signal();
// Hold on
msleep(POWER_ON_HOLD_TIME);
cm_enable_ext_md_wdt_irq();
cm_enable_ext_md_wakeup_irq();
cm_enable_ext_md_exp_irq();
return 0;
}
