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# Kconfig settings for AVR processors
if MACH_AVR
config AVR_SELECT
bool
default y
select HAVE_GPIO_ADC
select HAVE_GPIO_SPI
config BOARD_DIRECTORY
string
default "avr"
choice
prompt "Processor model"
config MACH_atmega168
bool "atmega168"
config MACH_atmega644p
bool "atmega644p"
config MACH_at90usb1286
bool "at90usb1286"
config MACH_atmega1280
bool "atmega1280"
config MACH_atmega2560
bool "atmega2560"
endchoice
config MCU
string
default "atmega168" if MACH_atmega168
default "atmega644p" if MACH_atmega644p
default "at90usb1286" if MACH_at90usb1286
default "atmega1280" if MACH_atmega1280
default "atmega2560" if MACH_atmega2560
choice
prompt "Processor speed"
config AVR_FREQ_8000000
bool "8Mhz"
config AVR_FREQ_16000000
bool "16Mhz"
config AVR_FREQ_20000000
bool "20Mhz"
endchoice
config CLOCK_FREQ
int
default 8000000 if AVR_FREQ_8000000
default 16000000 if AVR_FREQ_16000000
default 20000000 if AVR_FREQ_20000000
config CLEAR_PRESCALER
bool "Manually clear the CPU prescaler field at startup"
default n
help
Some AVR chips ship with a "clock prescaler" that causes the
chip to run at 1/8th speed. Enable this setting to clear the
prescaler field at startup which will cause the chip to run
without a clock divisor.
config AVR_CLKPR
int
default 0 if CLEAR_PRESCALER
default -1
config AVR_STACK_SIZE
int
default 256 if MACH_atmega2560
default 128
config AVR_WATCHDOG
bool "Support for automated reset on watchdog timeout"
default y
config AVR_USBSERIAL
bool
depends on MACH_at90usb1286
default y
config AVR_SERIAL
depends on !AVR_USBSERIAL
bool
default y
config SERIAL_BAUD
depends on AVR_SERIAL
int "Baud rate for serial port"
default 250000
config SERIAL_BAUD_U2X
depends on AVR_SERIAL
bool "Use AVR Baud 2X mode"
default y
endif
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