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Merge branch 'bugfix/reduce_bootup_time_when_using_usb-serial-jtag' into 'master'

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rtc_clk: reduce bootup time when using usb-serial-jtag

Closes IDF-4319

See merge request espressif/esp-idf!16173
This commit is contained in:
morris 2021-11-30 03:32:55 +00:00
commit 43fd499547
4 changed files with 20 additions and 0 deletions
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5
components/esp_hw_support/port/esp32c3/rtc_time.c
View File

@ -61,6 +61,11 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
* so we should wait the last process is done.
*/
if (GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_START_CYCLING)) {
/**
* Set a small timeout threshold to accelerate the generation of timeout.
* The internal circuit will be reset when the timeout occurs and will not affect the next calibration.
*/
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, 1);
while (!GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_RDY)
&& !GET_PERI_REG_MASK(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT));
}

5
components/esp_hw_support/port/esp32h2/rtc_time.c
View File

@ -58,6 +58,11 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
* so we should wait the last process is done.
*/
if (GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_START_CYCLING)) {
/**
* Set a small timeout threshold to accelerate the generation of timeout.
* The internal circuit will be reset when the timeout occurs and will not affect the next calibration.
*/
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, 1);
while (!GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_RDY)
&& !GET_PERI_REG_MASK(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT));
}

5
components/esp_hw_support/port/esp32s2/rtc_time.c
View File

@ -34,6 +34,11 @@ static uint32_t rtc_clk_cal_internal_oneoff(rtc_cal_sel_t cal_clk, uint32_t slow
* so we should wait the last process is done.
*/
if (GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_START_CYCLING)) {
/**
* Set a small timeout threshold to accelerate the generation of timeout.
* The internal circuit will be reset when the timeout occurs and will not affect the next calibration.
*/
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, 1);
while (!GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_RDY)
&& !GET_PERI_REG_MASK(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT));
}

5
components/esp_hw_support/port/esp32s3/rtc_time.c
View File

@ -59,6 +59,11 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
* so we should wait the last process is done.
*/
if (GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_START_CYCLING)) {
/**
* Set a small timeout threshold to accelerate the generation of timeout.
* The internal circuit will be reset when the timeout occurs and will not affect the next calibration.
*/
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, 1);
while (!GET_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_RDY)
&& !GET_PERI_REG_MASK(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT));
}