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Merge branch 'bugfix/fix_psram_access_faild_after_pd_cpu_wakeup' into 'master'

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fix(esp_pm): fix psram access failed after pd_cpu wakeup if uart driver driven console is used

Closes WIFIBUG-238

See merge request espressif/esp-idf!27020
This commit is contained in:
Wu Zheng Hui
2023-11-14 11:50:50 +08:00
parent 97e33fbb75 59ad88d9f7
commit bb95f9bcc6
6 changed files with 39 additions and 19 deletions
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10
components/hal/esp32s3/rtc_cntl_hal.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -68,6 +68,14 @@ void rtc_cntl_hal_enable_cpu_retention(void *addr)
);
rtc_cntl_ll_enable_cpu_retention_clock();
rtc_cntl_ll_enable_cpu_retention();
#if SOC_PM_SUPPORT_TAGMEM_PD
if (!retent->tagmem.dcache.enable) {
// Here we only need to care for the safety of the PSRAM data in the DCache.
// Since only rodata, bss, heap data may be placed in PSRAM, and these data won't be
// modified in the sleep process code after now, so it is safe to writeback here.
Cache_WriteBack_All();
}
#endif
}
}
}