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DRAFT: espressif: port: add MCUBOOT_FLASH_HAS_HW_ENCRYPTION config to mcuboot_config header #446

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DRAFT: espressif: port: add MCUBOOT_FLASH_HAS_HW_ENCRYPTION config to mcuboot_config header #446

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8abd562
espressif: mcuboot: get MCUBOOT_BOOT_MAX_ALIGN value from DT
almir-okato May 22, 2025
8304d6a
espressif: port: add MCUBOOT_FLASH_HAS_HW_ENCRYPTION config to mcuboo…
almir-okato May 24, 2025
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19 changes: 17 additions & 2 deletions zephyr/port/include/boot/mcuboot_config/mcuboot_config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
#ifndef __MCUBOOT_CONFIG_H__
#define __MCUBOOT_CONFIG_H__

#include <zephyr/devicetree.h>

/*
* Signature types
*
Expand All @@ -29,8 +31,21 @@
#define MCUBOOT_SIGN_ED25519
#endif

#if defined(CONFIG_SECURE_FLASH_ENC_ENABLED)
#define MCUBOOT_BOOT_MAX_ALIGN 32
/* This mcuboot_config.h is used only by Zephyr builds, such as MCUboot
* Zephyr Port for ESP chips or a Zephyr application with MCUboot
* compatibilty (that builds the bootutil lib).
* In these cases, MCUBOOT_BOOT_MAX_ALIGN value must be taken from DT if
* the write-block-size is greater than 8 */
#if DT_PROP(DT_CHOSEN(zephyr_flash), write_block_size) > 8
#define MCUBOOT_BOOT_MAX_ALIGN DT_PROP(DT_CHOSEN(zephyr_flash), write_block_size)
#endif

#if defined(CONFIG_SECURE_FLASH_ENC_ENABLED) || (MCUBOOT_BOOT_MAX_ALIGN == 32)
#define MCUBOOT_FLASH_HAS_HW_ENCRYPTION 1
#endif

#ifdef MCUBOOT_FLASH_HAS_HW_ENCRYPTION
#define FLASH_AUX_WRITE_BUFFER_SIZE 0x100
#endif

/*
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