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# Kconfig settings for STM32 processors
if MACH_STM32
config STM32_SELECT
bool
default y
select HAVE_GPIO
select HAVE_GPIO_ADC
select HAVE_GPIO_I2C
select HAVE_GPIO_SPI
select HAVE_GPIO_BITBANGING
select HAVE_CHIPID
config BOARD_DIRECTORY
string
default "stm32"
choice
prompt "Processor model"
config MACH_STM32F103
bool "STM32F103"
select MACH_STM32F1
config MACH_STM32F405
bool "STM32F405"
select MACH_STM32F4
config MACH_STM32F407
bool "STM32F407"
select MACH_STM32F4
config MACH_STM32F446
bool "STM32F446"
select MACH_STM32F4
config MACH_STM32F042
bool "STM32F042"
select MACH_STM32F0
config MACH_STM32F070
bool "STM32F070"
select MACH_STM32F0
endchoice
config MACH_STM32F0
bool
config MACH_STM32F1
bool
config MACH_STM32F4
bool
config HAVE_STM32_USBFS
bool
default y if MACH_STM32F103 || MACH_STM32F0
default n
config HAVE_STM32_USBOTG
bool
default y if MACH_STM32F4
default n
config MCU
string
default "stm32f042x6" if MACH_STM32F042
default "stm32f070xb" if MACH_STM32F070
default "stm32f103xe" if MACH_STM32F103
default "stm32f405xx" if MACH_STM32F405
default "stm32f407xx" if MACH_STM32F407
default "stm32f446xx" if MACH_STM32F446
config CLOCK_FREQ
int
default 48000000 if MACH_STM32F0
default 72000000 if MACH_STM32F103
default 168000000 if MACH_STM32F405 || MACH_STM32F407
default 180000000 if MACH_STM32F446
config FLASH_SIZE
hex
default 0x8000 if MACH_STM32F042
default 0x20000 if MACH_STM32F070
default 0x10000 if MACH_STM32F103
default 0x80000 if MACH_STM32F4
config RAM_START
hex
default 0x20000000
config RAM_SIZE
hex
default 0x1800 if MACH_STM32F042
default 0x4000 if MACH_STM32F070
default 0x5000 if MACH_STM32F103
default 0x20000 if MACH_STM32F4
config STACK_SIZE
int
default 512
choice
prompt "Bootloader offset" if MACH_STM32F407 || MACH_STM32F103
config STM32_FLASH_START_2000
bool "8KiB bootloader (stm32duino)" if MACH_STM32F103
config STM32_FLASH_START_7000
bool "28KiB bootloader" if MACH_STM32F103
config STM32_FLASH_START_8000
bool "32KiB bootloader (SKR-PRO)" if MACH_STM32F407
config STM32_FLASH_START_0000
bool "No bootloader"
endchoice
config FLASH_START
hex
default 0x8002000 if STM32_FLASH_START_2000
default 0x8007000 if STM32_FLASH_START_7000
default 0x8008000 if STM32_FLASH_START_8000
default 0x8000000
choice
prompt "Clock Reference" if LOW_LEVEL_OPTIONS
config STM32_CLOCK_REF_8M
bool "8 MHz crystal"
config STM32_CLOCK_REF_12M
bool "12 MHz crystal"
config STM32_CLOCK_REF_16M
bool "16 MHz crystal"
config STM32_CLOCK_REF_INTERNAL
bool "Internal clock"
endchoice
config CLOCK_REF_FREQ
int
default 16000000 if STM32_CLOCK_REF_16M
default 12000000 if STM32_CLOCK_REF_12M
default 1 if STM32_CLOCK_REF_INTERNAL
default 8000000
config USBSERIAL
bool "Use USB for communication (instead of serial)"
depends on HAVE_STM32_USBFS || HAVE_STM32_USBOTG
default y
config CANSERIAL
bool "Use CAN for communication (instead of serial)"
depends on MACH_STM32F042 && !USBSERIAL
default n
config SERIAL_BAUD
int "CAN bus speed" if LOW_LEVEL_OPTIONS && CANSERIAL
default 500000 if CANSERIAL
config STM32F042_PIN_SWAP
bool "Use PA9/PA10 for USB or CAN" if MACH_STM32F042
depends on (USBSERIAL || CANSERIAL) && MACH_STM32F042
default y if (USBSERIAL || CANSERIAL)
default n
config SERIAL
depends on !USBSERIAL && !CANSERIAL
bool
default y
choice
depends on SERIAL
prompt "Serial Port" if LOW_LEVEL_OPTIONS
help
Select the serial device to use.
config STM32_SERIAL_USART1
bool "USART1"
config STM32_SERIAL_USART2
bool "USART2 (on PA3/PA2)"
config STM32_SERIAL_USART2_ALT
bool "USART2 (on PA15/PA14)"
config STM32_SERIAL_USART3
bool "USART3"
config STM32_SERIAL_USART3_ALT
bool "USART3 (on PD9/PD8)" if MACH_STM32F4
endchoice
config SERIAL_PORT
int
default 103 if STM32_SERIAL_USART3_ALT
default 3 if STM32_SERIAL_USART3
default 102 if STM32_SERIAL_USART2_ALT
default 2 if STM32_SERIAL_USART2
default 1
endif
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