rtc.c File Reference

#include <delay.h>
#include <halt.h>
#include <soc/rtc.h>
#include <soc/rtc_common.h>
#include <soc/mt6358.h>
#include <soc/pmic_wrap.h>
#include <timer.h>

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Functions
static bool	rtc_enable_dcxo (void)
bool	rtc_gpio_init (void)
u16	rtc_get_frequency_meter (u16 val, u16 measure_src, u16 window_size)
static bool	rtc_lpd_init (void)
static bool	rtc_hw_init (void)
int	rtc_init (int recover)
void	rtc_bbpu_power_on (void)
void	poweroff (void)
static void	dcxo_init (void)
void	mt6358_dcxo_disable_unused (void)
void	rtc_boot (void)

Function Documentation

dcxo_init()

static void dcxo_init ( void  )

static

Definition at line 298 of file rtc.c.

References mdelay(), PMIC_RG_DCXO_CW00, PMIC_RG_DCXO_CW07, PMIC_RG_DCXO_CW09, PMIC_RG_DCXO_CW11, PMIC_RG_DCXO_CW13, PMIC_RG_DCXO_CW15, PMIC_RG_DCXO_CW16, PMIC_RG_DCXO_CW21, PMIC_RG_DCXO_ELR0, PMIC_RG_TOP_TMA_KEY, rtc_write(), and udelay().

Referenced by rtc_boot().

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mt6358_dcxo_disable_unused()

void mt6358_dcxo_disable_unused

(

void

)

Definition at line 326 of file rtc.c.

References PMIC_RG_DCXO_CW00_CLR, PMIC_RG_DCXO_CW23, and rtc_write().

Referenced by soc_init().

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poweroff()

void poweroff

(

void

)

Definition at line 284 of file rtc.c.

References acpi_write32(), ENV_SMM, halt(), MMIO_ACPI_PM1_CNT_BLK, pmic_set_power_hold(), RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_PWREN, RTC_BBPU_RELOAD, rtc_info, rtc_write(), rtc_writeif_unlock(), SLP_EN, SLP_TYP_S5, and SLP_TYP_SHIFT.

Referenced by chromeec_process_one_event().

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rtc_bbpu_power_on()

void rtc_bbpu_power_on

(

void

)

Definition at line 266 of file rtc.c.

References pmic_set_power_hold(), RTC_BBPU, RTC_BBPU_AUTO, RTC_BBPU_KEY, RTC_BBPU_PWREN, RTC_BBPU_RELOAD, rtc_info, rtc_read(), rtc_write(), and rtc_write_trigger().

Referenced by rtc_boot().

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rtc_boot()

void rtc_boot

(

void

)

Definition at line 335 of file rtc.c.

References dcxo_init(), PMIC_RG_DCXO_CW02, PMIC_RG_SCK_TOP_CON0, pwrap_write_field(), rtc_bbpu_power_on(), rtc_boot_common(), rtc_enable_dcxo(), and rtc_info.

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rtc_enable_dcxo()

static bool rtc_enable_dcxo ( void  )

static

Definition at line 12 of file rtc.c.

References mdelay(), RTC_AL_SEC, RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, RTC_CON, RTC_EMB_K_EOSC32_MODE, RTC_EMBCK_SEL_MODE_MASK, RTC_EMBCK_SEL_OPTION, RTC_EMBCK_SRC_SEL, RTC_GPS_CKOUT_EN, rtc_info, RTC_OSC32CON, rtc_read(), RTC_REG_XOSC32_ENB, rtc_write(), rtc_write_trigger(), rtc_writeif_unlock(), RTC_XOSC32_ENB, and rtc_xosc_write().

Referenced by rtc_boot().

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rtc_get_frequency_meter()

u16 rtc_get_frequency_meter	(	u16	val,
		u16	measure_src,
		u16	window_size
	)

Definition at line 68 of file rtc.c.

References FQMTR_TIMEOUT_US, PMIC_FQMTR_CON0_BUSY, PMIC_FQMTR_CON0_DCXO26M_EN, PMIC_FQMTR_CON0_FQMTR_EN, PMIC_FQMTR_RST_SHIFT, PMIC_RG_FQMTR_32K_CK_PDN_SHIFT, PMIC_RG_FQMTR_CK_PDN_SHIFT, PMIC_RG_FQMTR_CON0, PMIC_RG_FQMTR_DATA, PMIC_RG_FQMTR_RST, PMIC_RG_FQMTR_WINSET, PMIC_RG_TOP_CKPDN_CON0_CLR, PMIC_RG_TOP_CKPDN_CON0_SET, pwrap_write_field(), RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, rtc_info, RTC_OSC32CON, rtc_read(), rtc_write(), rtc_write_trigger(), rtc_xosc_write(), RTC_XOSCCALI_MASK, stopwatch_expired(), stopwatch_init_usecs_expire(), udelay(), and val.

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rtc_gpio_init()

bool rtc_gpio_init

(

void

)

Definition at line 45 of file rtc.c.

References PMIC_RG_TOP_CKPDN_CON1_CLR, PMIC_RG_TOP_CKSEL_CON0_SET, pwrap_write_field(), RTC_CON, RTC_CON_EOSC32_LPEN, RTC_CON_F32KOB, RTC_CON_GOE, RTC_CON_GPEN, RTC_CON_LPRST, RTC_CON_LPSTA_RAW, RTC_CON_XOSC32_LPEN, rtc_read(), rtc_write(), and rtc_write_trigger().

Referenced by rtc_init().

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rtc_hw_init()

static bool rtc_hw_init ( void  )

static

Definition at line 182 of file rtc.c.

References RTC_BBPU, RTC_BBPU_INIT, RTC_BBPU_KEY, RTC_BBPU_RELOAD, rtc_info, rtc_read(), rtc_write(), rtc_write_trigger(), and udelay().

Referenced by rtc_init().

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rtc_init()

int rtc_init

(

int

recover

)

Definition at line 206 of file rtc.c.

References mdelay(), rtc_gpio_init(), rtc_hw_init(), rtc_info, rtc_lpd_init(), rtc_osc_init(), rtc_powerkey_init(), rtc_reg_init(), RTC_STATUS_GPIO_INIT_FAIL, RTC_STATUS_HW_INIT_FAIL, RTC_STATUS_LPD_INIT_FAIL, RTC_STATUS_OK, RTC_STATUS_POWERKEY_INIT_FAIL, RTC_STATUS_REG_INIT_FAIL, RTC_STATUS_WRITEIF_UNLOCK_FAIL, and rtc_writeif_unlock().

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rtc_lpd_init()

static bool rtc_lpd_init ( void  )

static

Definition at line 144 of file rtc.c.

References RTC_AL_SEC, RTC_CON, RTC_CON_EOSC32_LPEN, RTC_CON_XOSC32_LPEN, RTC_LPD_OPT_EOSC_LPD, RTC_LPD_OPT_F32K_CK_ALIVE, RTC_LPD_OPT_MASK, rtc_lpen(), rtc_read(), rtc_write(), and rtc_write_trigger().

Referenced by rtc_init().

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