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feat(hmac): use RCC atomic block to enable/reset the HMAC peripheral

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This commit is contained in:
harshal.patil
2023-09-15 16:58:40 +05:30
parent 1c6ff8ce9f
commit 18b93e9564
10 changed files with 181 additions and 10 deletions
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32
components/hal/esp32s3/include/hal/hmac_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -13,7 +13,10 @@
#pragma once
#include <stddef.h> /* For size_t type */
#include <stdbool.h>
#include "soc/hwcrypto_reg.h"
#include "soc/system_struct.h"
#include "hal/hmac_types.h"
#define SHA256_BLOCK_SZ 64
@@ -28,6 +31,33 @@
extern "C" {
#endif
/**
* @brief Enable the bus clock for HMAC peripheral module
*
* @param true to enable the module, false to disable the module
*/
static inline void hmac_ll_enable_bus_clock(bool enable)
{
SYSTEM.perip_clk_en1.crypto_hmac_clk_en = enable;
}
/// use a macro to wrap the function, force the caller to use it in a critical section
/// the critical section needs to declare the __DECLARE_RCC_ATOMIC_ENV variable in advance
#define hmac_ll_enable_bus_clock(...) (void)__DECLARE_RCC_ATOMIC_ENV; hmac_ll_enable_bus_clock(__VA_ARGS__)
/**
* @brief Reset the HMAC peripheral module
*/
static inline void hmac_ll_reset_register(void)
{
SYSTEM.perip_rst_en1.crypto_hmac_rst = 1;
SYSTEM.perip_rst_en1.crypto_hmac_rst = 0;
}
/// use a macro to wrap the function, force the caller to use it in a critical section
/// the critical section needs to declare the __DECLARE_RCC_ATOMIC_ENV variable in advance
#define hmac_ll_reset_register(...) (void)__DECLARE_RCC_ATOMIC_ENV; hmac_ll_reset_register(__VA_ARGS__)
/**
* Makes the peripheral ready for use, after enabling it.
*/