subsys/bootloaders: decreased monotonic counter range on nRF54LX

nvlsianpu · nvlsianpu · commit 721eab490671 · 2025-10-30T13:37:42.000+01:00
SB_CONFIG_MCUBOOT_HW_DOWNGRADE_PREVENTION_COUNTER_SLOTS
and MCUboot's CONFIG_SB_NUM_VER_COUNTER_SLOTS ranges were decreased to
UICR.OTP capacity on nRF54LX devices.

Signed-off-by: Andrzej Puzdrowski &lt;andrzej.puzdrowski@nordicsemi.no&gt;
diff --git a/modules/mcuboot/Kconfig b/modules/mcuboot/Kconfig
@@ -15,6 +15,7 @@ if MCUBOOT_HARDWARE_DOWNGRADE_PREVENTION
 config MCUBOOT_HW_DOWNGRADE_PREVENTION_COUNTER_SLOTS
 	int "Number of available hardware counter slots"
 	default 240
+	range 2 288 if SOC_SERIES_NRF54LX
 	range 2 300
 	help
 	  When MCUBOOT_HW_DOWNGRADE_PREVENTION is enabled, MCUboot will use
diff --git a/subsys/bootloader/Kconfig b/subsys/bootloader/Kconfig
@@ -34,7 +34,7 @@ config SB_NUM_VER_COUNTER_SLOTS
 	default 240
 	range 2 300 if SOC_NRF5340_CPUAPP || SOC_SERIES_NRF91X || SOC_SERIES_NRF54LX
 	range 2 1800 if SOC_SERIES_NRF52X
-	range 2 400 if SOC_SERIES_NRF51X
+	range 2 288 if SOC_SERIES_NRF51X
 	depends on SB_MONOTONIC_COUNTER
 	help
 	  The number of monotonic counter slots available for the counter,
