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Merge branch 'feat/p4_eco5_rng' into 'master'

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feat(rng): support P4 ECO5 TRNG

Closes IDF-13521

See merge request espressif/esp-idf!42196
This commit is contained in:
Gao Xu
2025-11-25 17:41:41 +08:00
parent 7886209dfa 2b24530b33
commit abbb392d70
8 changed files with 174 additions and 17 deletions
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12
components/bootloader_support/src/bootloader_random_esp32p4.c
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@@ -8,11 +8,16 @@
#include "hal/regi2c_ctrl_ll.h"
#include "hal/adc_ll.h"
#include "hal/adc_types.h"
#include "hal/config.h"
#include "esp_private/periph_ctrl.h"
#include "esp_private/adc_share_hw_ctrl.h"
#include "esp_private/sar_periph_ctrl.h"
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
#include "hal/trng_ll.h"
#endif
#define I2C_SAR_ADC_INIT_CODE_VAL 2166
#define ADC_RNG_CLKM_DIV_NUM 0
#define ADC_RNG_CLKM_DIV_B 0
@@ -60,6 +65,9 @@ void bootloader_random_enable(void)
adc_ll_digi_set_clk_div(15);
adc_ll_digi_set_trigger_interval(100);
adc_ll_digi_trigger_enable();
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
trng_ll_enable();
#endif
}
void bootloader_random_disable(void)
@@ -80,4 +88,8 @@ void bootloader_random_disable(void)
adc_ll_digi_clk_sel(ADC_DIGI_CLK_SRC_XTAL);
adc_ll_set_controller(ADC_UNIT_1, ADC_LL_CTRL_ULP);
#if HAL_CONFIG(CHIP_SUPPORT_MIN_REV) >= 300
trng_ll_disable();
#endif
}