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Merge branch 'bugfix/fix_chip_broken_bug_in_monitor_mode_c3s2s3_to_v4…
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….4' into 'release/v4.4'

ESP32S2/C3/S3: fixed S2 dangerous power parameters in sleep modes and support S2/C3/S3 different sleep mode(v4.4)

See merge request espressif/esp-idf!23758
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@jack0c
jack0c committed Jun 20, 2023
2 parents 13a2e49 + 066a1ac commit e055097
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Showing 8 changed files with 273 additions and 111 deletions.
2 changes: 0 additions & 2 deletions components/esp_hw_support/port/esp32c3/rtc_pm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,9 +45,7 @@ pm_sw_reject_t pm_set_sleep_mode(pm_sleep_mode_t sleep_mode, void(*pmac_save_par
switch (sleep_mode) {
case PM_LIGHT_SLEEP:
cfg.wifi_pd_en = 1;
cfg.dig_dbias_wak = 4;
cfg.dig_dbias_slp = 0;
cfg.rtc_dbias_wak = 0;
cfg.rtc_dbias_slp = 0;
rtc_sleep_init(cfg);
break;
Expand Down
117 changes: 85 additions & 32 deletions components/esp_hw_support/port/esp32c3/rtc_sleep.c
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Original file line number Diff line number Diff line change
Expand Up @@ -80,36 +80,90 @@ void rtc_sleep_get_default_config(uint32_t sleep_flags, rtc_sleep_config_t *out_
};

if (sleep_flags & RTC_SLEEP_PD_DIG) {
unsigned atten_deep_sleep = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
#if CONFIG_ESP32C3_REV_MIN_FULL < 3
assert(sleep_flags & RTC_SLEEP_PD_XTAL);
bool eco2_workaround = false;
#if CONFIG_ESP32C3_REV_MIN_FULL < 3

if (!ESP_CHIP_REV_ABOVE(efuse_hal_chip_revision(), 3)) {
atten_deep_sleep = 0; /* workaround for deep sleep issue in high temp on ECO2 and below */
eco2_workaround = true; /* workaround for deep sleep issue in high temp on ECO2 and below */
}
#endif

out_config->dig_dbias_wak = RTC_CNTL_DBIAS_1V10;
out_config->dig_dbias_slp = RTC_CNTL_DBIAS_SLP;
out_config->rtc_dbias_wak = RTC_CNTL_DBIAS_1V10;
out_config->rtc_dbias_slp = RTC_CNTL_DBIAS_SLP;

out_config->dbg_atten_monitor = RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT;
out_config->bias_sleep_monitor = RTC_CNTL_BIASSLP_MONITOR_DEFAULT;
out_config->dbg_atten_slp = atten_deep_sleep;
#endif
if (!(sleep_flags & RTC_SLEEP_PD_INT_8M)) {
/*
* dbg_att_slp need to set to 0: rtc voltage is about 0.83v
* support all features:
* - 8MD256 as RTC slow clock src
* - RTC memory under high temperature
* - RTC IO as input
*/
out_config->rtc_regulator_fpu = 1;
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_NODROP;
out_config->rtc_dbias_slp = 0;
} else if (sleep_flags & RTC_SLEEP_NO_ULTRA_LOW) {
/*
* Default mode
* rtc voltage in sleep need stable and not less than 0.7v
* support features:
* - RTC memory under high temperature
* - RTC IO as input
*/
out_config->rtc_regulator_fpu = 1;
out_config->dbg_atten_slp = eco2_workaround ? RTC_CNTL_DBG_ATTEN_DEEPSLEEP_NODROP: RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
out_config->rtc_dbias_slp = RTC_CNTL_RTC_DBIAS_DEEPSLEEP_0V7;
} else {
/*
* rtc regulator not opened and rtc voltage is about 0.66v (ultra low power):
* not support features:
* - RTC IO as input
* - RTC memory under high temperature
*/
out_config->rtc_regulator_fpu = 0;
out_config->dbg_atten_slp = eco2_workaround ? RTC_CNTL_DBG_ATTEN_DEEPSLEEP_NODROP: RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
out_config->rtc_dbias_slp = 0; /* not used */
}
} else {
out_config->rtc_regulator_fpu = 1;
// rtc & digital voltage from high to low
if ((sleep_flags & RTC_SLEEP_DIG_USE_8M) || !(sleep_flags & RTC_SLEEP_PD_XTAL)) {
/*
* digital voltage need to be >= 1.1v
* if 8MD256 select as RTC slow clock src, only need dbg_atten_slp set to 0
* Support all features:
* - XTAL
* - RC 8M used by digital system
* - 8MD256 as RTC slow clock src
*/
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP;
out_config->dig_dbias_slp = RTC_CNTL_DBIAS_1V10;
out_config->rtc_dbias_slp = RTC_CNTL_DBIAS_1V10;
} else if (!(sleep_flags & RTC_SLEEP_PD_INT_8M)){
/*
* dbg_att_slp need to set to 0: digital voltage is about 0.67v & rtc vol is about 0.83v
* Support features:
* - 8MD256 as RTC slow clock src
*/
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP;
out_config->dig_dbias_slp = 0;
out_config->rtc_dbias_slp = 0;
} else {
/*
* digital voltage not less than 0.6v.
* not support features:
* - XTAL
* - RC 8M used by digital system
* - 8MD256 as RTC slow clock src
*/
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT;
out_config->dig_dbias_slp = RTC_CNTL_DIG_DBIAS_LIGHTSLEEP_0V6;
out_config->rtc_dbias_slp = RTC_CNTL_RTC_DBIAS_LIGHTSLEEP_0V6;
}
}
if (!(sleep_flags & RTC_SLEEP_PD_XTAL)) {
out_config->bias_sleep_slp = RTC_CNTL_BIASSLP_SLEEP_ON;
out_config->pd_cur_slp = RTC_CNTL_PD_CUR_SLEEP_ON;
} else {
out_config->bias_sleep_slp = RTC_CNTL_BIASSLP_SLEEP_DEFAULT;
out_config->pd_cur_monitor = RTC_CNTL_PD_CUR_MONITOR_DEFAULT;
out_config->pd_cur_slp = RTC_CNTL_PD_CUR_SLEEP_DEFAULT;
} else {
out_config->dig_dbias_wak = RTC_CNTL_DBIAS_1V10;
out_config->dig_dbias_slp = !(sleep_flags & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 : RTC_CNTL_DBIAS_SLP;
out_config->rtc_dbias_wak = RTC_CNTL_DBIAS_1V10;
out_config->rtc_dbias_slp = !(sleep_flags & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 : RTC_CNTL_DBIAS_SLP;

out_config->dbg_atten_monitor = RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT;
out_config->bias_sleep_monitor = RTC_CNTL_BIASSLP_MONITOR_DEFAULT;
out_config->dbg_atten_slp = (sleep_flags & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT : RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP;
out_config->bias_sleep_slp = !(sleep_flags & RTC_SLEEP_PD_XTAL) ? RTC_CNTL_BIASSLP_SLEEP_ON : RTC_CNTL_BIASSLP_SLEEP_DEFAULT;
out_config->pd_cur_monitor = RTC_CNTL_PD_CUR_MONITOR_DEFAULT;
out_config->pd_cur_slp = !(sleep_flags & RTC_SLEEP_PD_XTAL) ? RTC_CNTL_PD_CUR_SLEEP_ON : RTC_CNTL_PD_CUR_SLEEP_DEFAULT;
}
}

Expand Down Expand Up @@ -141,31 +195,30 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
} else {
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_PERI_PD_EN);
}
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_MONITOR, RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_MONITOR, RTC_CNTL_BIASSLP_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_MONITOR, RTC_CNTL_PD_CUR_MONITOR_DEFAULT);

assert(!cfg.pd_cur_slp || cfg.bias_sleep_slp);
REGI2C_WRITE_MASK(I2C_DIG_REG, I2C_DIG_REG_EXT_RTC_DREG_SLEEP, cfg.rtc_dbias_slp);
REGI2C_WRITE_MASK(I2C_DIG_REG, I2C_DIG_REG_EXT_DIG_DREG_SLEEP, cfg.dig_dbias_slp);

REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_MONITOR, cfg.dbg_atten_monitor);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_MONITOR, cfg.bias_sleep_monitor);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, cfg.dbg_atten_slp);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_DEEP_SLP, cfg.bias_sleep_slp);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_MONITOR, cfg.pd_cur_monitor);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_DEEP_SLP, cfg.pd_cur_slp);

if (cfg.deep_slp) {
REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_CK, 0);
CLEAR_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
CLEAR_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG,
RTC_CNTL_CKGEN_I2C_PU | RTC_CNTL_PLL_I2C_PU |
RTC_CNTL_RFRX_PBUS_PU | RTC_CNTL_TXRF_I2C_PU);
} else {
SET_PERI_REG_MASK(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DG_VDD_DRV_B_SLP_EN);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DG_VDD_DRV_B_SLP, RTC_CNTL_DG_VDD_DRV_B_SLP_DEFAULT);
SET_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
}

REG_SET_FIELD(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU, cfg.rtc_regulator_fpu);
if (!cfg.int_8m_pd_en) {
SET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU);
SET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_NOGATING);
Expand Down
2 changes: 0 additions & 2 deletions components/esp_hw_support/port/esp32s2/rtc_pm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,9 +45,7 @@ pm_sw_reject_t pm_set_sleep_mode(pm_sleep_mode_t sleep_mode, void(*pmac_save_par
switch (sleep_mode) {
case PM_LIGHT_SLEEP:
cfg.wifi_pd_en = 1;
cfg.dig_dbias_wak = 4;
cfg.dig_dbias_slp = 0;
cfg.rtc_dbias_wak = 0;
cfg.rtc_dbias_slp = 0;
rtc_sleep_init(cfg);
break;
Expand Down
127 changes: 98 additions & 29 deletions components/esp_hw_support/port/esp32s2/rtc_sleep.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -63,33 +63,102 @@ void rtc_sleep_get_default_config(uint32_t sleep_flags, rtc_sleep_config_t *out_
};

if (sleep_flags & RTC_SLEEP_PD_DIG) {
out_config->dig_dbias_wak = RTC_CNTL_DIG_DBIAS_1V10;
out_config->dig_dbias_slp = RTC_CNTL_DIG_DBIAS_0V90;
out_config->rtc_dbias_wak = RTC_CNTL_DBIAS_1V10;
out_config->rtc_dbias_slp = RTC_CNTL_DBIAS_1V00;

out_config->dbg_atten_monitor = RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT;
assert(sleep_flags & RTC_SLEEP_PD_XTAL);
out_config->dig_dbias_slp = 0; //not used
//rtc voltage from high to low
if ((sleep_flags & RTC_SLEEP_USE_ADC_TESEN_MONITOR) || !(sleep_flags & RTC_SLEEP_PD_INT_8M)) {
/*
* rtc voltage in sleep mode >= 0.9v
* if 8MD256 select as RTC slow clock src, only need dbg_atten_slp set to 0
* Support all features:
* - ADC/Temperature sensor in monitor mode (ULP) (also need pd_cur_monitor = 0)
* - 8MD256 as RTC slow clock src
* - RTC IO as input
* - RTC Memory at high temperature
* - ULP
* - Touch sensor
*/
out_config->rtc_regulator_fpu = 1;
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_NODROP;
out_config->rtc_dbias_slp = RTC_CNTL_DBIAS_0V90;
} else if (sleep_flags & RTC_SLEEP_NO_ULTRA_LOW) {
/*
* rtc voltage in sleep mode >= 0.7v (default mode)
* Support features:
* - RTC IO as input
* - RTC Memory at high temperature
* - ULP
* - Touch sensor
*/
out_config->rtc_regulator_fpu = 1;
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
out_config->rtc_dbias_slp = RTC_CNTL_RTC_DBIAS_DEEPSLEEP_0V7;
} else {
/*
* rtc regulator not opened and rtc voltage is about 0.66v (ultra low power)
* Support features:
* - ULP
* - Touch sensor
*/
out_config->rtc_regulator_fpu = 0;
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
out_config->rtc_dbias_slp = 0;
}
} else {
out_config->rtc_regulator_fpu = 1;
// rtc & digital voltage from high to low
if ((sleep_flags & RTC_SLEEP_DIG_USE_8M) || !(sleep_flags & RTC_SLEEP_PD_XTAL) || !(sleep_flags & RTC_SLEEP_PD_INT_8M)) {
/*
* digital voltage need to be >= 1.1v
* if 8MD256 select as RTC slow clock src, only need dbg_atten_slp set to 0
* rtc voltage need to near digital voltage to keep system stable
* Support all features:
* - XTAL
* - RC 8M used by digital system
* - 8MD256 as RTC slow clock src (only need dbg_atten_slp set to 0)
* - ADC/Temperature sensor in monitor mode (ULP) (also need pd_cur_monitor = 0)
* - ULP
* - Touch sensor
*/
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP;
out_config->dig_dbias_slp = RTC_CNTL_DBIAS_1V10;
out_config->rtc_dbias_slp = RTC_CNTL_DBIAS_1V10;
} else if (sleep_flags & RTC_SLEEP_USE_ADC_TESEN_MONITOR) {
/*
* rtc voltage need to be >= 0.9v
* digital voltage need to near rtc voltage to make system stable and low current
* Support features:
* - ADC/Temperature sensor in monitor mode (ULP) (also need pd_cur_monitor = 0)
* - ULP
* - Touch sensor
*/
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT;
out_config->dig_dbias_slp = RTC_CNTL_DIG_DBIAS_LIGHTSLEEP_0V9;
out_config->rtc_dbias_slp = RTC_CNTL_RTC_DBIAS_LIGHTSLEEP_0V9;
} else {
/*
* digital voltage not less than 0.75v.
* rtc voltage need to near digital voltage to keep system stable
* Support features:
* - ULP
* - Touch sensor
*/
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT;
out_config->dig_dbias_slp = RTC_CNTL_DIG_DBIAS_LIGHTSLEEP_0V75;
out_config->rtc_dbias_slp = RTC_CNTL_RTC_DBIAS_LIGHTSLEEP_0V75;
}
}
if (!(sleep_flags & RTC_SLEEP_PD_XTAL)) {
out_config->bias_sleep_monitor = RTC_CNTL_BIASSLP_MONITOR_ON;
out_config->pd_cur_monitor = RTC_CNTL_PD_CUR_MONITOR_ON;
out_config->bias_sleep_slp = RTC_CNTL_BIASSLP_SLEEP_ON;
out_config->pd_cur_slp = RTC_CNTL_PD_CUR_SLEEP_ON;
} else {
out_config->bias_sleep_monitor = RTC_CNTL_BIASSLP_MONITOR_DEFAULT;
out_config->dbg_atten_slp = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
out_config->pd_cur_monitor = (sleep_flags & RTC_SLEEP_USE_ADC_TESEN_MONITOR)?
RTC_CNTL_PD_CUR_MONITOR_ON : RTC_CNTL_PD_CUR_MONITOR_DEFAULT;
out_config->bias_sleep_slp = RTC_CNTL_BIASSLP_SLEEP_DEFAULT;
out_config->pd_cur_monitor = RTC_CNTL_PD_CUR_MONITOR_DEFAULT;
out_config->pd_cur_slp = RTC_CNTL_PD_CUR_SLEEP_DEFAULT;
} else {
out_config->dig_dbias_wak = RTC_CNTL_DIG_DBIAS_1V10;
out_config->dig_dbias_slp = !(sleep_flags & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DIG_DBIAS_1V10
: !(sleep_flags & RTC_SLEEP_PD_XTAL) ? RTC_CNTL_DIG_DBIAS_1V10
: RTC_CNTL_DIG_DBIAS_0V90;
out_config->rtc_dbias_wak = RTC_CNTL_DBIAS_1V10;
out_config->rtc_dbias_slp = !(sleep_flags & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10
: !(sleep_flags & RTC_SLEEP_PD_XTAL) ? RTC_CNTL_DBIAS_1V10
: RTC_CNTL_DBIAS_1V00;

out_config->dbg_atten_monitor = RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT;
out_config->bias_sleep_monitor = RTC_CNTL_BIASSLP_MONITOR_DEFAULT;
out_config->dbg_atten_slp = (sleep_flags & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT : RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP;
out_config->bias_sleep_slp = !(sleep_flags & RTC_SLEEP_PD_XTAL) ? RTC_CNTL_BIASSLP_SLEEP_ON : RTC_CNTL_BIASSLP_SLEEP_DEFAULT;
out_config->pd_cur_monitor = RTC_CNTL_PD_CUR_MONITOR_DEFAULT;
out_config->pd_cur_slp = !(sleep_flags & RTC_SLEEP_PD_XTAL) ? RTC_CNTL_PD_CUR_SLEEP_ON : RTC_CNTL_PD_CUR_SLEEP_DEFAULT;
}
}

Expand Down Expand Up @@ -138,29 +207,29 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_WIFI_PD_EN);
}

assert(!cfg.pd_cur_monitor || cfg.bias_sleep_monitor);
assert(!cfg.pd_cur_slp || cfg.bias_sleep_slp);

REG_SET_FIELD(RTC_CNTL_REG, RTC_CNTL_DBIAS_SLP, cfg.rtc_dbias_slp);
REG_SET_FIELD(RTC_CNTL_REG, RTC_CNTL_DBIAS_WAK, cfg.rtc_dbias_wak);
REG_SET_FIELD(RTC_CNTL_REG, RTC_CNTL_DIG_DBIAS_WAK, cfg.dig_dbias_wak);
REG_SET_FIELD(RTC_CNTL_REG, RTC_CNTL_DIG_DBIAS_SLP, cfg.dig_dbias_slp);

REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_MONITOR, cfg.dbg_atten_monitor);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_MONITOR, RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_MONITOR, cfg.bias_sleep_monitor);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_DEEP_SLP, cfg.bias_sleep_slp);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_MONITOR, cfg.pd_cur_monitor);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_DEEP_SLP, cfg.pd_cur_slp);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, cfg.dbg_atten_slp);

if (cfg.deep_slp) {
CLEAR_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
CLEAR_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG,
RTC_CNTL_CKGEN_I2C_PU | RTC_CNTL_PLL_I2C_PU |
RTC_CNTL_RFRX_PBUS_PU | RTC_CNTL_TXRF_I2C_PU);
} else {
SET_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
}

REG_SET_FIELD(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU, cfg.rtc_regulator_fpu);
if (!cfg.int_8m_pd_en) {
REG_SET_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU);
} else {
Expand Down

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