76 lines
2.8 KiB
Plaintext
76 lines
2.8 KiB
Plaintext
# ST Microelectronics STM32 all MCU lines
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# Copyright (c) 2017, I-SENSE group of ICCS
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# SPDX-License-Identifier: Apache-2.0
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# Default configurations appplied tp the whole STM32 family
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if SOC_FAMILY_STM32
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rsource "*/Kconfig.defconfig"
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config CLOCK_CONTROL
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default y
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config CORTEX_M_SYSTICK
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default n if STM32_LPTIM_TIMER
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DT_STM32_RCC_PATH := $(dt_nodelabel_path,rcc)
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DT_STM32_RCC_CLOCK_FREQ := $(dt_node_int_prop_int,$(DT_STM32_RCC_PATH),clock-frequency)
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DT_ST_PRESCALER := st,prescaler
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DT_STM32_LPTIM_PATH := $(dt_nodelabel_path,stm32_lp_tick_source)
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config SYS_CLOCK_HW_CYCLES_PER_SEC
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default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"
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config LOG_BACKEND_SWO_REF_FREQ_HZ
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default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"
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depends on LOG_BACKEND_SWO
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# If sysclock is not LPTIM, tick of 10000 is too high for a frequency lower than 32MHz
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config SYS_CLOCK_TICKS_PER_SEC
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default 8000 if SYS_CLOCK_HW_CYCLES_PER_SEC <= 32000000
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depends on !STM32_LPTIM_TIMER
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# set the tick per sec as a divider of the LPTIM clock source
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# with a minimum value of 4096 for SYS_CLOCK_TICKS_PER_SEC to keep
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# SYS_CLOCK_TICKS_PER_SEC not too high compared to the LPTIM counter clock
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config SYS_CLOCK_TICKS_PER_SEC
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default 4096 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" < 16
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default 2048 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 16
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default 1024 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 32
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default 512 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 64
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default 256 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
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depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSE
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config SYS_CLOCK_TICKS_PER_SEC
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default 4000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" < 16
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default 2000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 16
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default 1000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 32
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default 500 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 64
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default 250 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
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depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSI
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choice STM32_LPTIM_CLOCK
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default STM32_LPTIM_CLOCK_LSE if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 2
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default STM32_LPTIM_CLOCK_LSI if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 3
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endchoice
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config CLOCK_CONTROL_INIT_PRIORITY
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default 1
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depends on CLOCK_CONTROL
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config PHY_INIT_PRIORITY
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default 81
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depends on NET_L2_ETHERNET && ETH_DRIVER
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# Get flash configuration for NS image from dts flash partition
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config USE_DT_CODE_PARTITION
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default y if TRUSTED_EXECUTION_NONSECURE
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config BUILD_WITH_TFM
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default y if TRUSTED_EXECUTION_NONSECURE
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endif # SOC_FAMILY_STM32
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