Merge branch 'change/ecdsa_does_not_use_mpi_esp32h2_eco5_v5.4' into 'release/v5.4'

The ECDSA module of ESP32-H2 ECO5 does not use the MPI module (v5.4)

See merge request espressif/esp-idf!41219
This commit is contained in:
Mahavir Jain
2025-08-18 14:02:43 +05:30
5 changed files with 44 additions and 13 deletions

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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -46,6 +46,9 @@ static _lock_t s_crypto_ecc_lock;
#ifdef SOC_ECDSA_SUPPORTED
/* Lock for ECDSA peripheral */
static _lock_t s_crypto_ecdsa_lock;
#if SOC_ECDSA_USES_MPI
#include "hal/ecdsa_ll.h"
#endif /* SOC_ECDSA_USES_MPI */
#endif /* SOC_ECDSA_SUPPORTED */
#ifdef SOC_KEY_MANAGER_SUPPORTED
@@ -137,14 +140,18 @@ void esp_crypto_ecdsa_lock_acquire(void)
_lock_acquire(&s_crypto_ecdsa_lock);
esp_crypto_ecc_lock_acquire();
#ifdef SOC_ECDSA_USES_MPI
esp_crypto_mpi_lock_acquire();
if (ecdsa_ll_is_mpi_required()) {
esp_crypto_mpi_lock_acquire();
}
#endif /* SOC_ECDSA_USES_MPI */
}
void esp_crypto_ecdsa_lock_release(void)
{
#ifdef SOC_ECDSA_USES_MPI
esp_crypto_mpi_lock_release();
if (ecdsa_ll_is_mpi_required()) {
esp_crypto_mpi_lock_release();
}
#endif /* SOC_ECDSA_USES_MPI */
esp_crypto_ecc_lock_release();
_lock_release(&s_crypto_ecdsa_lock);

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@@ -418,6 +418,14 @@ static inline bool ecdsa_ll_is_deterministic_mode_supported(void)
return ESP_CHIP_REV_ABOVE(efuse_hal_chip_revision(), 102);
}
/**
* @brief Check if the ECDSA peripheral uses MPI module's memory
*/
static inline bool ecdsa_ll_is_mpi_required(void)
{
return !ESP_CHIP_REV_ABOVE(efuse_hal_chip_revision(), 102);
}
#ifdef __cplusplus
}
#endif

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@@ -440,6 +440,14 @@ static inline bool ecdsa_ll_is_deterministic_mode_supported(void)
return true;
}
/**
* @brief Check if the ECDSA peripheral uses MPI module's memory
*/
static inline bool ecdsa_ll_is_mpi_required(void)
{
return true; // TODO: IDF-13523
}
#ifdef __cplusplus
}
#endif

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@@ -45,9 +45,11 @@ static void ecdsa_enable_and_reset(void)
}
#ifdef SOC_ECDSA_USES_MPI
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(true);
mpi_ll_reset_register();
if (ecdsa_ll_is_mpi_required()) {
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(true);
mpi_ll_reset_register();
}
}
#endif
}
@@ -55,8 +57,10 @@ static void ecdsa_enable_and_reset(void)
static void ecdsa_disable(void)
{
#ifdef SOC_ECDSA_USES_MPI
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(false);
if (ecdsa_ll_is_mpi_required()) {
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(false);
}
}
#endif

View File

@@ -70,9 +70,11 @@ static void esp_ecdsa_acquire_hardware(void)
/* We need to reset the MPI peripheral because ECDSA peripheral
* of some targets use the MPI peripheral as well.
*/
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(true);
mpi_ll_reset_register();
if (ecdsa_ll_is_mpi_required()) {
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(true);
mpi_ll_reset_register();
}
}
#endif /* SOC_ECDSA_USES_MPI */
}
@@ -89,8 +91,10 @@ static void esp_ecdsa_release_hardware(void)
}
#ifdef SOC_ECDSA_USES_MPI
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(false);
if (ecdsa_ll_is_mpi_required()) {
MPI_RCC_ATOMIC() {
mpi_ll_enable_bus_clock(false);
}
}
#endif /* SOC_ECDSA_USES_MPI */