feedc0de/esp-idf
1
0
Fork 0
forked from espressif/esp-idf
Code Pull Requests Activity

Merge branch 'bugfix/backup_dma_stall_when_sw_rst_v5.0' into 'release/v5.0'

Browse Source 
backport v5.0: force clear reset signal to fix the backup dma operation failure...

See merge request espressif/esp-idf!20637
This commit is contained in:
Jiang Jiang Jian
2022-10-24 14:10:25 +08:00
parent 94d9c529f3 b306b48aa3
commit f7b10c99c2
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
components/esp_system/port/soc/esp32s3/clk.c
View File

@ -298,6 +298,11 @@ __attribute__((weak)) void esp_perip_clk_init(void)
CLEAR_PERI_REG_MASK(SYSTEM_PERIP_CLK_EN1_REG, hwcrypto_perip_clk);
SET_PERI_REG_MASK(SYSTEM_PERIP_RST_EN1_REG, hwcrypto_perip_clk);
/* Force clear backup dma reset signal. This is a fix to the backup dma
* implementation in the ROM, the reset signal was not cleared when the
* backup dma was started, which caused the backup dma operation to fail. */
CLEAR_PERI_REG_MASK(SYSTEM_PERIP_RST_EN1_REG, SYSTEM_PERI_BACKUP_RST);
/* Disable WiFi/BT/SDIO clocks. */
CLEAR_PERI_REG_MASK(SYSTEM_WIFI_CLK_EN_REG, wifi_bt_sdio_clk);
SET_PERI_REG_MASK(SYSTEM_WIFI_CLK_EN_REG, SYSTEM_WIFI_CLK_EN);