soc/st/stm32/Kconfig.defconfig

# ST Microelectronics STM32 all MCU lines

# Copyright (c) 2017, I-SENSE group of ICCS
# SPDX-License-Identifier: Apache-2.0

# Default configurations applied to the whole STM32 family

if SOC_FAMILY_STM32

# Source series Kconfig files first, so SoCs
# can override the defaults given here
rsource "*/Kconfig.defconfig"

config CACHE_STM32
	default y if EXTERNAL_CACHE

config CLOCK_CONTROL
	default y

config CORTEX_M_SYSTICK
	default n if STM32_LPTIM_TIMER

DT_STM32_RCC_PATH := $(dt_nodelabel_path,rcc)
DT_STM32_RCC_CLOCK_FREQ := $(dt_node_int_prop_int,$(DT_STM32_RCC_PATH),clock-frequency)

DT_STM32WB0_RADIO_TIMER_PATH := $(dt_nodelabel_path,radio_timer)
DT_STM32WB0_TIMER_FREQ := $(dt_node_int_prop_int,$(DT_STM32WB0_RADIO_TIMER_PATH),compensated-timer-freq)

DT_ST_PRESCALER := st,prescaler
DT_STM32_LPTIM_PATH := $(dt_nodelabel_path,stm32_lp_tick_source)

DT_CHOSEN_Z_FLASH := zephyr,flash
DT_COMPAT_XSPI := st,stm32-xspi
DT_COMPAT_OSPI := st,stm32-ospi
DT_COMPAT_QSPI := st,stm32-qspi

DT_CHOSEN_FLASH_NODE := $(dt_chosen_path,$(DT_CHOSEN_Z_FLASH))
DT_CHOSEN_FLASH_PARENT := $(dt_node_parent,$(DT_CHOSEN_FLASH_NODE))
DT_FLASH_PARENT_IS_XSPI := $(dt_node_has_compat,$(DT_CHOSEN_FLASH_PARENT),$(DT_COMPAT_XSPI))
DT_FLASH_PARENT_IS_OSPI := $(dt_node_has_compat,$(DT_CHOSEN_FLASH_PARENT),$(DT_COMPAT_OSPI))
DT_FLASH_PARENT_IS_QSPI := $(dt_node_has_compat,$(DT_CHOSEN_FLASH_PARENT),$(DT_COMPAT_QSPI))

config SYS_CLOCK_HW_CYCLES_PER_SEC
	default "$(DT_STM32WB0_TIMER_FREQ)" if STM32WB0_RADIO_TIMER
	default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"

config LOG_BACKEND_SWO_REF_FREQ_HZ
	default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"
	depends on LOG_BACKEND_SWO

# If sysclock is not LPTIM, tick of 10000 is too high for a frequency lower than 32MHz
config SYS_CLOCK_TICKS_PER_SEC
	default 8000 if SYS_CLOCK_HW_CYCLES_PER_SEC <= 32000000
	depends on !STM32_LPTIM_TIMER

# set the tick per sec as a divider of the LPTIM clock source
# with a minimum value of 4096 for SYS_CLOCK_TICKS_PER_SEC to keep
# SYS_CLOCK_TICKS_PER_SEC not too high compared to the LPTIM counter clock
config SYS_CLOCK_TICKS_PER_SEC
	default 4096 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" < 16
	default 2048 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 16
	default 1024 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 32
	default  512 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 64
	default  256 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
	depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSE

config SYS_CLOCK_TICKS_PER_SEC
	default 4000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" < 16
	default 2000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 16
	default 1000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 32
	default  500 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 64
	default  250 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
	depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSI

choice STM32_LPTIM_CLOCK
	default STM32_LPTIM_CLOCK_LSE if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 2
	default STM32_LPTIM_CLOCK_LSI if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 3
endchoice

config CLOCK_CONTROL_INIT_PRIORITY
	default 1
	depends on CLOCK_CONTROL

# Get flash configuration for NS image from dts flash partition
config USE_DT_CODE_PARTITION
	default y if TRUSTED_EXECUTION_NONSECURE

config BUILD_WITH_TFM
	default y if TRUSTED_EXECUTION_NONSECURE

config FLASH_BASE_ADDRESS
	default $(dt_node_reg_addr_hex,$(DT_CHOSEN_FLASH_PARENT),1) \
		if $(DT_FLASH_PARENT_IS_XSPI) || $(DT_FLASH_PARENT_IS_OSPI) || $(DT_FLASH_PARENT_IS_QSPI)
	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))

config STM32_APP_IN_EXT_FLASH
	default $(DT_FLASH_PARENT_IS_XSPI)

# The XSPI PSRAM driver creates a SMH region with attribute SMH_REG_ATTR_EXTERNAL (2)
# If applicable set the LTDC / VIDEO_BUFFER SMH attribute to SMH_REG_ATTR_EXTERNAL (2)
# in order to be able to allocate from the XSPI PSRAM
if MEMC_STM32_XSPI_PSRAM && SHARED_MULTI_HEAP

config STM32_LTDC_FB_SMH_ATTRIBUTE
	default 2 if STM32_LTDC_FB_USE_SHARED_MULTI_HEAP

config VIDEO_BUFFER_SMH_ATTRIBUTE
	default 2 if VIDEO_BUFFER_USE_SHARED_MULTI_HEAP

endif # MEMC_STM32_XSPI_PSRAM && SHARED_MULTI_HEAP

config VIDEO_BUFFER_POOL_ALIGN
	default 16 if VIDEO_STM32_DCMIPP

config STM32_BACKUP_PROTECTION
	default y if !SOC_SERIES_STM32C0X && !SOC_SERIES_STM32WB0X

endif # SOC_FAMILY_STM32