1# ST Microelectronics STM32 all MCU lines
2
3# Copyright (c) 2017, I-SENSE group of ICCS
4# SPDX-License-Identifier: Apache-2.0
5
6# Default configurations appplied tp the whole STM32 family
7
8if SOC_FAMILY_STM32
9
10rsource "*/Kconfig.defconfig"
11
12config CLOCK_CONTROL
13	default y
14
15config CORTEX_M_SYSTICK
16	default n if STM32_LPTIM_TIMER
17
18DT_STM32_RCC_PATH := $(dt_nodelabel_path,rcc)
19DT_STM32_RCC_CLOCK_FREQ := $(dt_node_int_prop_int,$(DT_STM32_RCC_PATH),clock-frequency)
20
21DT_ST_PRESCALER := st,prescaler
22DT_STM32_LPTIM_PATH := $(dt_nodelabel_path,stm32_lp_tick_source)
23
24config SYS_CLOCK_HW_CYCLES_PER_SEC
25	default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"
26
27config LOG_BACKEND_SWO_REF_FREQ_HZ
28	default "$(DT_STM32_RCC_CLOCK_FREQ)" if "$(dt_nodelabel_enabled,rcc)"
29	depends on LOG_BACKEND_SWO
30
31# If sysclock is not LPTIM, tick of 10000 is too high for a frequency lower than 32MHz
32config SYS_CLOCK_TICKS_PER_SEC
33	default 8000 if SYS_CLOCK_HW_CYCLES_PER_SEC <= 32000000
34	depends on !STM32_LPTIM_TIMER
35
36# set the tick per sec as a divider of the LPTIM clock source
37# with a minimum value of 4096 for SYS_CLOCK_TICKS_PER_SEC to keep
38# SYS_CLOCK_TICKS_PER_SEC not too high compared to the LPTIM counter clock
39config SYS_CLOCK_TICKS_PER_SEC
40	default 4096 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" < 16
41	default 2048 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 16
42	default 1024 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 32
43	default  512 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 64
44	default  256 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
45	depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSE
46
47config SYS_CLOCK_TICKS_PER_SEC
48	default 4000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" < 16
49	default 2000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 16
50	default 1000 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 32
51	default  500 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 64
52	default  250 if "$(dt_node_int_prop_int,$(DT_STM32_LPTIM_PATH),$(DT_ST_PRESCALER))" = 128
53	depends on STM32_LPTIM_TIMER && STM32_LPTIM_CLOCK_LSI
54
55choice STM32_LPTIM_CLOCK
56	default STM32_LPTIM_CLOCK_LSE if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 2
57	default STM32_LPTIM_CLOCK_LSI if "$(dt_node_ph_array_prop_int,$(DT_STM32_LPTIM_PATH),clocks,1,bus)" = 3
58endchoice
59
60config CLOCK_CONTROL_INIT_PRIORITY
61	default 1
62	depends on CLOCK_CONTROL
63
64config PHY_INIT_PRIORITY
65	default 81
66	depends on NET_L2_ETHERNET && ETH_DRIVER
67
68# Get flash configuration for NS image from dts flash partition
69config USE_DT_CODE_PARTITION
70	default y if TRUSTED_EXECUTION_NONSECURE
71
72config BUILD_WITH_TFM
73	default y if TRUSTED_EXECUTION_NONSECURE
74
75endif # SOC_FAMILY_STM32
76