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# Kconfig settings for STM32 processors
if MACH_RP2040
config RP2040_SELECT
bool
default y
select HAVE_GPIO
select HAVE_GPIO_ADC
select HAVE_GPIO_SPI
select HAVE_GPIO_I2C
select HAVE_GPIO_BITBANGING
select HAVE_STRICT_TIMING
select HAVE_CHIPID
select HAVE_GPIO_HARD_PWM
select HAVE_STEPPER_BOTH_EDGE
config BOARD_DIRECTORY
string
default "rp2040"
config MCU
string
default "rp2040"
config CLOCK_FREQ
int
default 12000000
config FLASH_SIZE
hex
default 0x200000
config RAM_START
hex
default 0x20000000
config RAM_SIZE
hex
default 0x42000
config STACK_SIZE
int
default 512
config FLASH_START
hex
default 0x10000000
######################################################################
# Bootloader options
######################################################################
config RP2040_STAGE2_FILE
string
default "boot2_w25q080.S"
config RP2040_STAGE2_CLKDIV
int
default 2
######################################################################
# Communication inteface
######################################################################
choice
prompt "Communication interface"
config RP2040_USB
bool "USB"
select USBSERIAL
config RP2040_SERIAL_UART0
bool "Serial (on UART0 GPIO1/GPIO0)"
select SERIAL
endchoice
endif
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