diff --git a/components/esp_hw_support/Kconfig b/components/esp_hw_support/Kconfig index 6a55ea39c8..0d6dd965a0 100644 --- a/components/esp_hw_support/Kconfig +++ b/components/esp_hw_support/Kconfig @@ -93,6 +93,18 @@ menu "Hardware Settings" all pins. It depends on the SPI Flash/RAM chip used. endmenu + menu "ESP_SLEEP_WORKAROUND" + # No visible menu/configs for workaround + visible if 0 + config ESP_SLEEP_SYSTIMER_STALL_WORKAROUND + bool "ESP32C3 SYSTIMER Stall Issue Workaround" + depends on IDF_TARGET_ESP32C3 + help + Its not able to stall ESP32C3 systimer in sleep. + To fix related RTOS TICK issue, select it to disable related systimer during sleep. + TODO: IDF-7036 + endmenu + menu "RTC Clock Config" # This is used for configure the RTC clock. config RTC_CLOCK_BBPLL_POWER_ON_WITH_USB diff --git a/components/esp_hw_support/port/esp32c3/rtc_sleep.c b/components/esp_hw_support/port/esp32c3/rtc_sleep.c index 2a3fae67cf..e58c010272 100644 --- a/components/esp_hw_support/port/esp32c3/rtc_sleep.c +++ b/components/esp_hw_support/port/esp32c3/rtc_sleep.c @@ -24,6 +24,9 @@ #include "regi2c_ctrl.h" #include "esp_efuse.h" #include "hal/efuse_hal.h" +#if CONFIG_ESP_SLEEP_SYSTIMER_STALL_WORKAROUND +#include "soc/systimer_reg.h" +#endif /** * Configure whether certain peripherals are powered down in deep sleep @@ -196,6 +199,17 @@ void rtc_sleep_set_wakeup_time(uint64_t t) WRITE_PERI_REG(RTC_CNTL_SLP_TIMER1_REG, t >> 32); } +#if CONFIG_ESP_SLEEP_SYSTIMER_STALL_WORKAROUND +void rtc_sleep_systimer_enable(bool en) +{ + if (en) { + REG_SET_BIT(SYSTIMER_CONF_REG, SYSTIMER_TIMER_UNIT1_WORK_EN); + } else { + REG_CLR_BIT(SYSTIMER_CONF_REG, SYSTIMER_TIMER_UNIT1_WORK_EN); + } +} +#endif + static uint32_t rtc_sleep_finish(uint32_t lslp_mem_inf_fpu); uint32_t rtc_sleep_start(uint32_t wakeup_opt, uint32_t reject_opt, uint32_t lslp_mem_inf_fpu) diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c index fd74815448..b942100081 100644 --- a/components/esp_hw_support/sleep_modes.c +++ b/components/esp_hw_support/sleep_modes.c @@ -497,6 +497,12 @@ static uint32_t IRAM_ATTR esp_sleep_start(uint32_t pd_flags) timer_wakeup_prepare(); } +#if CONFIG_ESP_SLEEP_SYSTIMER_STALL_WORKAROUND + if (!(pd_flags & RTC_SLEEP_PD_XTAL)) { + rtc_sleep_systimer_enable(false); + } +#endif + uint32_t result; if (deep_sleep) { #if !CONFIG_IDF_TARGET_ESP32H2 // IDF does not officially support esp32h2 in v4.4 @@ -528,6 +534,12 @@ static uint32_t IRAM_ATTR esp_sleep_start(uint32_t pd_flags) result = call_rtc_sleep_start(reject_triggers, config.lslp_mem_inf_fpu); } +#if CONFIG_ESP_SLEEP_SYSTIMER_STALL_WORKAROUND + if (!(pd_flags & RTC_SLEEP_PD_XTAL)) { + rtc_sleep_systimer_enable(true); + } +#endif + // Restore CPU frequency rtc_clk_cpu_freq_set_config(&cpu_freq_config); diff --git a/components/esp_wifi/lib b/components/esp_wifi/lib index 98098934ba..f3f7d4ffdc 160000 --- a/components/esp_wifi/lib +++ b/components/esp_wifi/lib @@ -1 +1 @@ -Subproject commit 98098934bae93dcfa04e9627e6fc4e319b29a9cc +Subproject commit f3f7d4ffdc29813e8fe3c5ef55e30ad37ee9cbfa diff --git a/components/freertos/Kconfig b/components/freertos/Kconfig index 0c66f9af8f..171f53702d 100644 --- a/components/freertos/Kconfig +++ b/components/freertos/Kconfig @@ -70,6 +70,7 @@ menu "FreeRTOS" config FREERTOS_SYSTICK_USES_SYSTIMER bool default y if FREERTOS_CORETIMER_SYSTIMER_LVL1 || FREERTOS_CORETIMER_SYSTIMER_LVL3 + select ESP_SLEEP_SYSTIMER_STALL_WORKAROUND if IDF_TARGET_ESP32C3 config FREERTOS_SYSTICK_USES_CCOUNT bool diff --git a/components/soc/esp32c3/include/soc/rtc.h b/components/soc/esp32c3/include/soc/rtc.h index 995b4ba922..fcf79cdd51 100644 --- a/components/soc/esp32c3/include/soc/rtc.h +++ b/components/soc/esp32c3/include/soc/rtc.h @@ -730,6 +730,18 @@ void rtc_sleep_low_init(uint32_t slowclk_period); */ void rtc_sleep_set_wakeup_time(uint64_t t); +#if CONFIG_ESP_SLEEP_SYSTIMER_STALL_WORKAROUND +/** + * @brief Configure systimer for esp32c3 systimer stall issue workaround + * + * This function configures related systimer for esp32c3 systimer stall issue. + * Only apply workaround when xtal powered up. + * + * @param en enable systimer or not + */ +void rtc_sleep_systimer_enable(bool en); +#endif + #define RTC_GPIO_TRIG_EN BIT(2) //!< GPIO wakeup #define RTC_TIMER_TRIG_EN BIT(3) //!< Timer wakeup #define RTC_WIFI_TRIG_EN BIT(5) //!< WIFI wakeup (light sleep only)