docs: clarify anti-rollback secure version bits for c2/c5

This commit is contained in:
Mahavir Jain
2026-03-30 10:33:55 +05:30
parent f155b74ae4
commit 830e39ca68
3 changed files with 10 additions and 5 deletions
+4 -1
View File
@@ -45,11 +45,14 @@ menu "Application Rollback"
default 32 if IDF_TARGET_ESP32
range 1 4 if IDF_TARGET_ESP32C2
default 4 if IDF_TARGET_ESP32C2
range 1 9 if IDF_TARGET_ESP32C5
default 9 if IDF_TARGET_ESP32C5
range 1 16
default 16
help
The size of the efuse secure version field.
Its length is limited to 32 bits for ESP32 and 16 bits for ESP32-S2.
Its length is limited to 32 bits for ESP32, 4 bits for ESP32-C2,
9 bits for ESP32-C5, and 16 bits for other targets.
This determines how many times the security version can be increased.
config BOOTLOADER_EFUSE_SECURE_VERSION_EMULATE