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feat(esp_hw_support): disable all unused pll source in rtc_clk_init to save power

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wuzhenghui
2026-09-02 19:20:14 +08:00
parent 0b7f047e9e
commit 3641d243e0
3 changed files with 33 additions and 0 deletions
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components/bootloader_support/bootloader_flash/src/bootloader_flash_config_esp32s31.c
+2
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@@ -23,6 +23,7 @@
#include "hal/mspi_ll.h"
#include "hal/cache_hal.h"
#include "hal/cache_ll.h"
#include "hal/clk_tree_ll.h"
#include "esp_private/bootloader_flash_internal.h"
void IRAM_ATTR bootloader_flash_update_id(void)
@@ -46,6 +47,7 @@ void IRAM_ATTR bootloader_flash_cs_timing_config(void)
void IRAM_ATTR bootloader_init_mspi_clock(void)
{
cache_hal_disable(CACHE_LL_LEVEL_EXT_MEM, CACHE_TYPE_ALL);
clk_ll_bbpll_enable();
_mspi_timing_ll_set_flash_core_clock(0, 80);
_mspi_timing_ll_set_flash_clk_src(0, FLASH_CLK_SRC_BBPLL);
cache_hal_enable(CACHE_LL_LEVEL_EXT_MEM, CACHE_TYPE_ALL);