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Merge branch 'feature/enable_flash_encryption_for_c5' into 'master'

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feat: enable flash encryption support for c5

Closes IDF-8622 and IDF-9480

See merge request espressif/esp-idf!29578
This commit is contained in:
Aditya Patwardhan
2024-06-07 14:30:39 +08:00
parent 8cd9e78944 d1fa51e3c9
commit 874388c628
11 changed files with 427 additions and 83 deletions
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85
components/hal/esp32c5/include/hal/spi_flash_encrypted_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -15,7 +15,7 @@
#include <stdbool.h>
#include <string.h>
#include "soc/hp_system_reg.h"
// #include "soc/xts_aes_reg.h"
#include "soc/spi_mem_reg.h"
#include "soc/soc.h"
#include "soc/soc_caps.h"
#include "hal/assert.h"
@@ -27,7 +27,6 @@ extern "C" {
/// Choose type of chip you want to encrypt manually
typedef enum
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
FLASH_ENCRYPTION_MANU = 0, ///!< Manually encrypt the flash chip.
PSRAM_ENCRYPTION_MANU = 1 ///!< Manually encrypt the psram chip.
} flash_encrypt_ll_type_t;
@@ -37,11 +36,15 @@ typedef enum
*/
static inline void spi_flash_encrypt_ll_enable(void)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// REG_SET_BIT(HP_SYSTEM_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
// HP_SYSTEM_ENABLE_DOWNLOAD_MANUAL_ENCRYPT |
// HP_SYSTEM_ENABLE_SPI_MANUAL_ENCRYPT);
abort();
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
REG_SET_BIT(HP_SYS_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
HP_SYS_ENABLE_DOWNLOAD_MANUAL_ENCRYPT |
HP_SYS_ENABLE_SPI_MANUAL_ENCRYPT);
#else
REG_SET_BIT(HP_SYSTEM_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
HP_SYSTEM_ENABLE_DOWNLOAD_MANUAL_ENCRYPT |
HP_SYSTEM_ENABLE_SPI_MANUAL_ENCRYPT);
#endif
}
/*
@@ -49,14 +52,17 @@ static inline void spi_flash_encrypt_ll_enable(void)
*/
static inline void spi_flash_encrypt_ll_disable(void)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// REG_CLR_BIT(HP_SYSTEM_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
// HP_SYSTEM_ENABLE_SPI_MANUAL_ENCRYPT);
abort();
#if CONFIG_IDF_TARGET_ESP32C5_BETA3_VERSION
REG_CLR_BIT(HP_SYS_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
HP_SYS_ENABLE_SPI_MANUAL_ENCRYPT);
#else
REG_CLR_BIT(HP_SYSTEM_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
HP_SYSTEM_ENABLE_SPI_MANUAL_ENCRYPT);
#endif
}
/**
* Choose type of chip you want to encrypt manully
* Choose type of chip you want to encrypt manually
*
* @param type The type of chip to be encrypted
*
@@ -64,11 +70,9 @@ static inline void spi_flash_encrypt_ll_disable(void)
*/
static inline void spi_flash_encrypt_ll_type(flash_encrypt_ll_type_t type)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// // Our hardware only support flash encryption
// HAL_ASSERT(type == FLASH_ENCRYPTION_MANU);
// REG_SET_FIELD(XTS_AES_DESTINATION_REG(0), XTS_AES_DESTINATION, type);
abort();
// Our hardware only support flash encryption
HAL_ASSERT(type == FLASH_ENCRYPTION_MANU);
REG_SET_FIELD(SPI_MEM_XTS_DESTINATION_REG(0), SPI_XTS_DESTINATION, type);
}
/**
@@ -78,10 +82,8 @@ static inline void spi_flash_encrypt_ll_type(flash_encrypt_ll_type_t type)
*/
static inline void spi_flash_encrypt_ll_buffer_length(uint32_t size)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// // Desired block should not be larger than the block size.
// REG_SET_FIELD(XTS_AES_LINESIZE_REG(0), XTS_AES_LINESIZE, size >> 5);
abort();
// Desired block should not be larger than the block size.
REG_SET_FIELD(SPI_MEM_XTS_LINESIZE_REG(0), SPI_XTS_LINESIZE, size >> 5);
}
/**
@@ -94,11 +96,9 @@ static inline void spi_flash_encrypt_ll_buffer_length(uint32_t size)
*/
static inline void spi_flash_encrypt_ll_plaintext_save(uint32_t address, const uint32_t* buffer, uint32_t size)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// uint32_t plaintext_offs = (address % SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX);
// HAL_ASSERT(plaintext_offs + size <= SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX);
// memcpy((void *)(XTS_AES_PLAIN_MEM(0) + plaintext_offs), buffer, size);
abort();
uint32_t plaintext_offs = (address % SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX);
HAL_ASSERT(plaintext_offs + size <= SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX);
memcpy((void *)(SPI_MEM_XTS_PLAIN_BASE_REG(0) + plaintext_offs), buffer, size);
}
/**
@@ -108,9 +108,7 @@ static inline void spi_flash_encrypt_ll_plaintext_save(uint32_t address, const u
*/
static inline void spi_flash_encrypt_ll_address_save(uint32_t flash_addr)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// REG_SET_FIELD(XTS_AES_PHYSICAL_ADDRESS_REG(0), XTS_AES_PHYSICAL_ADDRESS, flash_addr);
abort();
REG_SET_FIELD(SPI_MEM_XTS_PHYSICAL_ADDRESS_REG(0), SPI_XTS_PHYSICAL_ADDRESS, flash_addr);
}
/**
@@ -118,9 +116,7 @@ static inline void spi_flash_encrypt_ll_address_save(uint32_t flash_addr)
*/
static inline void spi_flash_encrypt_ll_calculate_start(void)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// REG_SET_FIELD(XTS_AES_TRIGGER_REG(0), XTS_AES_TRIGGER, 1);
abort();
REG_SET_FIELD(SPI_MEM_XTS_TRIGGER_REG(0), SPI_XTS_TRIGGER, 1);
}
/**
@@ -128,10 +124,8 @@ static inline void spi_flash_encrypt_ll_calculate_start(void)
*/
static inline void spi_flash_encrypt_ll_calculate_wait_idle(void)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// while(REG_GET_FIELD(XTS_AES_STATE_REG(0), XTS_AES_STATE) == 0x1) {
// }
abort();
while(REG_GET_FIELD(SPI_MEM_XTS_STATE_REG(0), SPI_XTS_STATE) == 0x1) {
}
}
/**
@@ -139,11 +133,9 @@ static inline void spi_flash_encrypt_ll_calculate_wait_idle(void)
*/
static inline void spi_flash_encrypt_ll_done(void)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// REG_SET_BIT(XTS_AES_RELEASE_REG(0), XTS_AES_RELEASE);
// while(REG_GET_FIELD(XTS_AES_STATE_REG(0), XTS_AES_STATE) != 0x3) {
// }
abort();
REG_SET_BIT(SPI_MEM_XTS_RELEASE_REG(0), SPI_XTS_RELEASE);
while(REG_GET_FIELD(SPI_MEM_XTS_STATE_REG(0), SPI_XTS_STATE) != 0x3) {
}
}
/**
@@ -151,9 +143,7 @@ static inline void spi_flash_encrypt_ll_done(void)
*/
static inline void spi_flash_encrypt_ll_destroy(void)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// REG_SET_BIT(XTS_AES_DESTROY_REG(0), XTS_AES_DESTROY);
abort();
REG_SET_BIT(SPI_MEM_XTS_DESTROY_REG(0), SPI_XTS_DESTROY);
}
/**
@@ -164,10 +154,7 @@ static inline void spi_flash_encrypt_ll_destroy(void)
*/
static inline bool spi_flash_encrypt_ll_check(uint32_t address, uint32_t length)
{
// TODO: [ESP32C5] IDF-8622, IDF-8649
// return ((address % length) == 0) ? true : false;
abort();
return (bool)0;
return ((address % length) == 0) ? true : false;
}
#ifdef __cplusplus