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arch/xtensa: flash encryption support for ESP32|S2|S3

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Deprecates ESP32_STORAGE_MTD_ENCRYPT and ESP32_OTA_PARTITION_ENCRYPT options.
Add ESPRESSIF_SECURE_FLASH_ENC_ENABLED Kconfig option.
Updates SPI Flash driver to handle encryption automatically.

Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
This commit is contained in:
Filipe Cavalcanti
2025-10-10 10:46:18 -03:00
committed by simbit18
parent 0835b345e8
commit 3a74b82e09
17 changed files with 610 additions and 55 deletions
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boards/xtensa/esp32/common/scripts/esp32_sections.ld
+2
View File
@@ -267,6 +267,7 @@ SECTIONS
*libarch.a:spi_flash_os_func_app.*(.literal .literal.* .text .text.*)
*libarch.a:flash_brownout_hook.*(.literal .literal.* .text .text.*)
*libarch.a:esp_cache.*(.literal .literal.* .text .text.*)
*libarch.a:cache_esp32.*(.literal .literal.* .text .text.*)
*libarch.a:cache_hal_esp32.*(.literal .literal.* .text .text.*)
*libarch.a:cache_utils.*(.literal .literal.* .text .text.*)
*libarch.a:memspi_host_driver.*(.literal .literal.* .text .text.*)
@@ -484,6 +485,7 @@ SECTIONS
*libarch.a:spi_flash_os_func_app.*(.rodata .rodata.*)
*libarch.a:flash_brownout_hook.*(.rodata .rodata.*)
*libarch.a:esp_cache.*(.rodata .rodata.*)
*libarch.a:cache_esp32.*(.rodata .rodata.*)
*libarch.a:cache_utils.*(.rodata .rodata.*)
*libarch.a:cache_hal_esp32.*(.rodata .rodata.*)
*libarch.a:memspi_host_driver.*(.rodata .rodata.*)
boards/xtensa/esp32/common/src/esp32_board_spiflash.c
+2 -6
View File
@@ -53,15 +53,11 @@
****************************************************************************/
#ifdef CONFIG_ESP32_OTA_PARTITION_ENCRYPT
# define OTA_ENCRYPT true
#else
# define OTA_ENCRYPT false
# warning "CONFIG_ESP32_OTA_PARTITION_ENCRYPT is deprecated"
#endif
#ifdef CONFIG_ESP32_STORAGE_MTD_ENCRYPT
# define STORAGE_ENCRYPT true
#else
# define STORAGE_ENCRYPT false
# warning "CONFIG_ESP32_STORAGE_MTD_ENCRYPT is deprecated"
#endif
/****************************************************************************