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feat: enable flash encryption support for c5

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This commit provide support for flash encryption feature in ESP32C5
This commit is contained in:
nilesh.kale
2024-03-12 14:12:01 +05:30
parent 9a1f67f222
commit d1fa51e3c9
11 changed files with 427 additions and 83 deletions
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22
components/bootloader_support/src/flash_encryption/flash_encrypt.c
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@@ -16,10 +16,16 @@
#include "esp_log.h"
#include "hal/wdt_hal.h"
#if SOC_KEY_MANAGER_SUPPORTED
// Need to remove check and merge accordingly for ESP32C5 once key manager support added in IDF-8621
#if SOC_KEY_MANAGER_SUPPORTED || CONFIG_IDF_TARGET_ESP32C5
#if CONFIG_IDF_TARGET_ESP32C5
#include "soc/keymng_reg.h"
#include "hal/key_mgr_types.h"
#include "soc/pcr_reg.h"
#else
#include "hal/key_mgr_hal.h"
#include "hal/mspi_timing_tuning_ll.h"
#include "soc/keymng_reg.h"
#endif /* CONFIG_IDF_TARGET_ESP32C5 */
#endif
#ifdef CONFIG_SOC_EFUSE_CONSISTS_OF_ONE_KEY_BLOCK
@@ -216,17 +222,17 @@ static esp_err_t check_and_generate_encryption_keys(void)
}
ESP_LOGI(TAG, "Using pre-loaded flash encryption key in efuse");
}
#if SOC_KEY_MANAGER_SUPPORTED
#if CONFIG_IDF_TARGET_ESP32C5 && SOC_KEY_MANAGER_SUPPORTED
// TODO: [ESP32C5] IDF-8622 find a more proper place for these codes
REG_SET_BIT(KEYMNG_STATIC_REG, KEYMNG_USE_EFUSE_KEY_FLASH);
// Need to remove check for ESP32C5 and merge accordingly once key manager support added in IDF-8621
#if SOC_KEY_MANAGER_SUPPORTED || CONFIG_IDF_TARGET_ESP32C5
#if CONFIG_IDF_TARGET_ESP32C5
REG_SET_FIELD(KEYMNG_STATIC_REG, KEYMNG_USE_EFUSE_KEY, 2);
REG_SET_BIT(PCR_MSPI_CLK_CONF_REG, PCR_MSPI_AXI_RST_EN);
REG_CLR_BIT(PCR_MSPI_CLK_CONF_REG, PCR_MSPI_AXI_RST_EN);
#endif
#else
// Force Key Manager to use eFuse key for XTS-AES operation
key_mgr_hal_set_key_usage(ESP_KEY_MGR_XTS_AES_128_KEY, ESP_KEY_MGR_USE_EFUSE_KEY);
_mspi_timing_ll_reset_mspi();
#endif /* CONFIG_IDF_TARGET_ESP32C5 */
#endif
return ESP_OK;