rtc_common.h File Reference

#include <commonlib/bsd/bcd.h>
#include <console/console.h>
#include <rtc.h>
#include <stdbool.h>

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Macros
#define	RTCTAG   "[RTC]"
#define	rtc_info(fmt, arg ...)

Enumerations
enum	{ RTC_DEFAULT_YEA = 2010 , RTC_DEFAULT_MTH = 1 , RTC_DEFAULT_DOM = 1 , RTC_DEFAULT_DOW = 5 }
enum	{ RTC_2SEC_REBOOT_ENABLE = 1 , RTC_2SEC_MODE = 2 }
enum	{ RTC_OSC32CON_UNLOCK1 = 0x1A57 , RTC_OSC32CON_UNLOCK2 = 0x2B68 }
enum	{ RTC_PROT_UNLOCK1 = 0x586A , RTC_PROT_UNLOCK2 = 0x9136 }
enum	{ RTC_BBPU_KEY = 0x43 << 8 }
enum	{ RTC_IRQ_STA_AL = 1U << 0 , RTC_IRQ_STA_TC = 1U << 1 , RTC_IRQ_STA_LP = 1U << 3 }
enum	{   RTC_IRQ_EN_AL = 1U << 0 , RTC_IRQ_EN_TC = 1U << 1 , RTC_IRQ_EN_ONESHOT = 1U << 2 , RTC_IRQ_EN_LP = 1U << 3 ,   RTC_IRQ_EN_ONESHOT_AL = RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL }
enum	{ RTC_POWERKEY1_KEY = 0xA357 , RTC_POWERKEY2_KEY = 0x67D2 }
enum	{ RTC_SPAR0_32K_LESS = 1U << 6 }
enum	{ RTC_MIN_YEAR = 1968 , RTC_BASE_YEAR = 1900 , RTC_MIN_YEAR_OFFSET = RTC_MIN_YEAR - RTC_BASE_YEAR , RTC_NUM_YEARS = 128 }
enum	{ RTC_STATE_REBOOT = 0 , RTC_STATE_RECOVER = 1 , RTC_STATE_INIT = 2 }
enum	{   RTC_STATUS_OK = 0 , RTC_STATUS_POWERKEY_INIT_FAIL , RTC_STATUS_WRITEIF_UNLOCK_FAIL , RTC_STATUS_OSC_SETTING_FAIL ,   RTC_STATUS_GPIO_INIT_FAIL , RTC_STATUS_HW_INIT_FAIL , RTC_STATUS_REG_INIT_FAIL , RTC_STATUS_LPD_INIT_FAIL }

Functions
bool	rtc_write_trigger (void)
bool	rtc_writeif_unlock (void)
bool	rtc_xosc_write (u16 val)
bool	rtc_lpen (u16 con)
bool	rtc_reg_init (void)
void	rtc_osc_init (void)
bool	rtc_powerkey_init (void)
void	rtc_boot_common (void)

Macro Definition Documentation

rtc_info

#define rtc_info	(		fmt,
			arg ...
	)

Value:

                                printk(BIOS_INFO, RTCTAG "%s,%d: " fmt, \
                                __func__, __LINE__, ## arg)

Definition at line 12 of file rtc_common.h.

RTCTAG

#define RTCTAG   "[RTC]"

Definition at line 11 of file rtc_common.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
RTC_DEFAULT_YEA
RTC_DEFAULT_MTH
RTC_DEFAULT_DOM
RTC_DEFAULT_DOW

Definition at line 22 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_2SEC_REBOOT_ENABLE
RTC_2SEC_MODE

Definition at line 29 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_OSC32CON_UNLOCK1
RTC_OSC32CON_UNLOCK2

Definition at line 34 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_PROT_UNLOCK1
RTC_PROT_UNLOCK2

Definition at line 39 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_BBPU_KEY

Definition at line 44 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_IRQ_STA_AL
RTC_IRQ_STA_TC
RTC_IRQ_STA_LP

Definition at line 48 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_IRQ_EN_AL
RTC_IRQ_EN_TC
RTC_IRQ_EN_ONESHOT
RTC_IRQ_EN_LP
RTC_IRQ_EN_ONESHOT_AL

Definition at line 54 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_POWERKEY1_KEY
RTC_POWERKEY2_KEY

Definition at line 62 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_SPAR0_32K_LESS

Definition at line 67 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_MIN_YEAR
RTC_BASE_YEAR
RTC_MIN_YEAR_OFFSET
RTC_NUM_YEARS

Definition at line 71 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_STATE_REBOOT
RTC_STATE_RECOVER
RTC_STATE_INIT

Definition at line 79 of file rtc_common.h.

anonymous enum

anonymous enum

Enumerator
RTC_STATUS_OK
RTC_STATUS_POWERKEY_INIT_FAIL
RTC_STATUS_WRITEIF_UNLOCK_FAIL
RTC_STATUS_OSC_SETTING_FAIL
RTC_STATUS_GPIO_INIT_FAIL
RTC_STATUS_HW_INIT_FAIL
RTC_STATUS_REG_INIT_FAIL
RTC_STATUS_LPD_INIT_FAIL

Definition at line 86 of file rtc_common.h.

Function Documentation

rtc_boot_common()

void rtc_boot_common

(

void

)

Definition at line 190 of file rtc.c.

References RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, rtc_check_state(), RTC_CON, rtc_info, rtc_init(), RTC_IRQ_STA, rtc_osc_init(), rtc_read(), RTC_STATE_INIT, RTC_STATE_REBOOT, RTC_STATE_RECOVER, rtc_write(), and rtc_write_trigger().

Referenced by rtc_boot().

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rtc_lpen()

bool rtc_lpen

(

u16

con

)

Definition at line 97 of file rtc.c.

References RTC_CON, RTC_CON_LPRST, rtc_write(), and rtc_write_trigger().

Referenced by rtc_lpd_init().

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rtc_osc_init()

void rtc_osc_init

(

void

)

Definition at line 54 of file rtc_osc_init.c.

References PMIC_RG_TOP_CKTST2, rtc_eosc_cali(), rtc_gpio_init(), rtc_info, RTC_OSC32CON, rtc_read(), rtc_write(), rtc_xosc_write(), and RTC_XOSCCALI_MASK.

Referenced by rtc_boot_common(), and rtc_init().

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rtc_powerkey_init()

bool rtc_powerkey_init

(

void

)

Definition at line 156 of file rtc.c.

References RTC_POWERKEY1, RTC_POWERKEY1_KEY, RTC_POWERKEY2, RTC_POWERKEY2_KEY, rtc_write(), and rtc_write_trigger().

Referenced by rtc_init().

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rtc_reg_init()

bool rtc_reg_init

(

void

)

Definition at line 121 of file rtc.c.

References RTC_AL_DOM, RTC_AL_DOW, RTC_AL_HOU, RTC_AL_MASK, RTC_AL_MIN, RTC_AL_MTH, RTC_AL_SEC, RTC_AL_YEA, RTC_CALI, RTC_CII_EN, RTC_DEFAULT_DOM, RTC_DEFAULT_DOW, RTC_DEFAULT_MTH, RTC_DEFAULT_YEA, RTC_DIFF, RTC_IRQ_EN, RTC_IRQ_STA, RTC_MIN_YEAR, rtc_read(), RTC_TC_DOM, RTC_TC_DOW, RTC_TC_HOU, RTC_TC_MIN, RTC_TC_MTH, RTC_TC_SEC, RTC_TC_YEA, rtc_write(), and rtc_write_trigger().

Referenced by rtc_init().

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rtc_write_trigger()

bool rtc_write_trigger

(

void

)

Definition at line 27 of file rtc.c.

References rtc_busy_wait(), rtc_write(), and RTC_WRTGR.

Referenced by rtc_bbpu_power_on(), rtc_boot_common(), rtc_enable_dcxo(), rtc_get_frequency_meter(), rtc_gpio_init(), rtc_hw_init(), rtc_init(), rtc_lpd_init(), rtc_lpen(), rtc_powerkey_init(), rtc_reg_init(), rtc_writeif_unlock(), and rtc_xosc_write().

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rtc_writeif_unlock()

bool rtc_writeif_unlock

(

void

)

Definition at line 34 of file rtc.c.

References RTC_PROT, RTC_PROT_UNLOCK1, RTC_PROT_UNLOCK2, rtc_write(), and rtc_write_trigger().

Referenced by poweroff(), rtc_check_state(), rtc_enable_dcxo(), and rtc_init().

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rtc_xosc_write()

bool rtc_xosc_write

(

u16

val

)

Definition at line 74 of file rtc.c.

References RTC_BBPU, RTC_BBPU_KEY, RTC_BBPU_RELOAD, rtc_busy_wait(), RTC_OSC32CON, RTC_OSC32CON_UNLOCK1, RTC_OSC32CON_UNLOCK2, rtc_read(), rtc_write(), rtc_write_trigger(), and val.

Referenced by rtc_enable_dcxo(), rtc_get_frequency_meter(), rtc_init(), and rtc_osc_init().

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