rtc_mt6359p.c File Reference

#include <delay.h>
#include <halt.h>
#include <soc/clkbuf.h>
#include <soc/mt6359p.h>
#include <soc/pmif.h>
#include <soc/rtc.h>
#include <soc/rtc_common.h>
#include <timer.h>

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Functions
void	rtc_read (u16 addr, u16 *rdata)
void	rtc_write (u16 addr, u16 wdata)
static void	rtc_write_field (u16 reg, u16 val, u16 mask, u16 shift)
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)
void	rtc_boot (void)

Variables
static struct pmif *	pmif_arb = NULL

Function Documentation

poweroff()

void poweroff

(

void

)

Definition at line 301 of file rtc_mt6359p.c.

References halt(), PMIC_PWRHOLD, RTC_BBPU, RTC_BBPU_ENABLE_ALARM, RTC_BBPU_KEY, rtc_info, rtc_write(), rtc_write_field(), and rtc_writeif_unlock().

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rtc_bbpu_power_on()

void rtc_bbpu_power_on

(

void

)

Definition at line 286 of file rtc_mt6359p.c.

References PMIC_PWRHOLD, RTC_BBPU, RTC_BBPU_ENABLE_ALARM, RTC_BBPU_KEY, rtc_info, rtc_read(), rtc_write(), rtc_write_field(), and rtc_write_trigger().

Referenced by rtc_boot().

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rtc_boot()

void rtc_boot

(

void

)

Definition at line 315 of file rtc_mt6359p.c.

References PMIC_RG_DCXO_CW02, PMIC_RG_SCK_TOP_CON0, rtc_bbpu_power_on(), rtc_boot_common(), rtc_enable_dcxo(), rtc_info, rtc_read(), and rtc_write_field().

Referenced by platform_romstage_main().

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rtc_enable_dcxo()

static bool rtc_enable_dcxo ( void  )

static

Definition at line 43 of file rtc_mt6359p.c.

References OSC32CON_ANALOG_SETTING, RTC_AL_SEC, RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, RTC_CON, RTC_EMBCK_SEL_MODE_MASK, RTC_EMBCK_SRC_SEL, rtc_info, RTC_OSC32CON, rtc_read(), RTC_REG_XOSC32_ENB, rtc_write(), rtc_write_trigger(), rtc_writeif_unlock(), 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 87 of file rtc_mt6359p.c.

References FQMTR_TIMEOUT_US, mdelay(), PMIC_FQMTR_CON0_BUSY, PMIC_FQMTR_CON0_DCXO26M_EN, PMIC_FQMTR_CON0_FQMTR_EN, PMIC_RG_BANK_FQMTR_RST, PMIC_RG_BANK_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_DCXO26M_EN_SHIFT, PMIC_RG_FQMTR_WINSET, PMIC_RG_TOP_CKPDN_CON0_CLR, PMIC_RG_TOP_CKPDN_CON0_SET, RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, rtc_info, RTC_OSC32CON, rtc_read(), rtc_write(), rtc_write_field(), rtc_write_trigger(), rtc_xosc_write(), RTC_XOSCCALI_MASK, stopwatch_expired(), stopwatch_init_usecs_expire(), udelay(), and val.

Referenced by rtc_eosc_cali().

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rtc_gpio_init()

bool rtc_gpio_init

(

void

)

Definition at line 71 of file rtc_mt6359p.c.

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

Referenced by rtc_init(), and rtc_osc_init().

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rtc_hw_init()

static bool rtc_hw_init ( void  )

static

Definition at line 196 of file rtc_mt6359p.c.

References RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, RTC_BBPU_RESET_ALARM, RTC_BBPU_RESET_SPAR, RTC_BBPU_SPAR_SW, 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 219 of file rtc_mt6359p.c.

References mdelay(), RTC_AL_YEA, rtc_gpio_init(), rtc_hw_init(), rtc_info, RTC_K_EOSC_RSV_0, RTC_K_EOSC_RSV_1, RTC_K_EOSC_RSV_2, rtc_lpd_init(), rtc_osc_init(), rtc_powerkey_init(), rtc_read(), 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, rtc_write(), rtc_write_trigger(), rtc_writeif_unlock(), and year.

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rtc_lpd_init()

static bool rtc_lpd_init ( void  )

static

Definition at line 164 of file rtc_mt6359p.c.

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

Referenced by rtc_init().

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rtc_read()

void rtc_read	(	u16	addr,
		u16 *	rdata
	)

Definition at line 14 of file rtc_mt6359p.c.

References addr, get_pmif_controller(), NULL, pmif_arb, PMIF_SPI, and pmif::read.

Referenced by rtc_bbpu_power_on(), rtc_boot(), rtc_boot_common(), rtc_busy_wait(), rtc_check_state(), rtc_enable_dcxo(), rtc_eosc_cali(), rtc_get(), rtc_get_frequency_meter(), rtc_gpio_init(), rtc_hw_init(), rtc_init(), rtc_lpd_init(), rtc_osc_init(), rtc_reg_init(), rtc_set_capid(), rtc_write_field(), and rtc_xosc_write().

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rtc_write()

void rtc_write	(	u16	addr,
		u16	wdata
	)

Definition at line 25 of file rtc_mt6359p.c.

References addr, get_pmif_controller(), NULL, pmif_arb, PMIF_SPI, and pmif::write.

Referenced by dcxo_init(), mt6358_dcxo_disable_unused(), mt6366_dcxo_disable_unused(), poweroff(), rtc_bbpu_power_on(), rtc_boot(), rtc_boot_common(), rtc_enable_dcxo(), rtc_eosc_cali(), rtc_get_frequency_meter(), rtc_gpio_init(), rtc_hw_init(), rtc_init(), rtc_lpd_init(), rtc_lpen(), rtc_osc_init(), rtc_powerkey_init(), rtc_reg_init(), rtc_set_capid(), rtc_write_field(), rtc_write_trigger(), rtc_writeif_unlock(), and rtc_xosc_write().

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rtc_write_field()

static void rtc_write_field ( u16  reg, u16  val, u16  mask, u16  shift  )

static

Definition at line 32 of file rtc_mt6359p.c.

References mask, rtc_read(), rtc_write(), and val.

Referenced by poweroff(), rtc_bbpu_power_on(), rtc_boot(), and rtc_get_frequency_meter().

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Variable Documentation

pmif_arb

struct pmif* pmif_arb = NULL

static

Definition at line 12 of file rtc_mt6359p.c.

Referenced by rtc_read(), and rtc_write().