nuttx/arch/arm/src/efm32/Kconfig

#
# arch/arm/src/efm32/Kconfig
#

if ARCH_CHIP_EFM32

comment "EFM32 Configuration Options"

choice
	prompt "EFM32 Chip Selection"
	default ARCH_CHIP_EFM32TG840F32

config ARCH_CHIP_EFM32TG840F32
	bool "EFM32TG840F32"
	select EFM32_EFM32TG
	select ARCH_CORTEXM3
	---help---
		This chip is a Tiny Gecko with 32 KB flash and 4 KB RAM in a QFN64
		package

config ARCH_CHIP_EFM32G880F128
	bool "EFM32G880F128"
	select EFM32_EFM32G
	select ARCH_CORTEXM3
	---help---
		This chip is a Gecko with 128KiB flash and 16KiB RAM in a LQFP100
		package

config ARCH_CHIP_EFM32G890F128
	bool "EFM32G890F128"
	select EFM32_EFM32G
	select ARCH_CORTEXM3
	---help---
		This chip is a Gecko with 128KiB flash and 16KiB RAM in a BGA112
		package

config ARCH_CHIP_EFM32GG332F1024
	bool "EFM32GG332F1024"
	select EFM32_EFM32GG
	select ARCH_CORTEXM3
	---help---
		This chip is a Giant Gecko with 1024KiB flash and 128KiB RAM in a
		QFP64 package.

config ARCH_CHIP_EFM32GG990F1024
	bool "EFM32GG990F1024"
	select EFM32_EFM32GG
	select ARCH_CORTEXM3
	---help---
		This chip is a Giant Gecko with 1024KiB flash and 128KiB RAM in a
		BGA112 package.

endchoice

# These hidden selections represent automatically selected MCU families and,
# in turn, select general capabilities of the MCU family

config EFM32_EFM32TG
	bool
	default n

config EFM32_EFM32G
	bool
	default n
	select EFM32_HAVE_USART2
	select EFM32_HAVE_UART0
	select EFM32_HAVE_LEUART1

config EFM32_EFM32GG
	bool
	default n
	select EFM32_HAVE_USART2
	select EFM32_HAVE_UART0
	select EFM32_HAVE_UART1
	select EFM32_HAVE_LEUART1
	select EFM32_HAVE_OTGFS

menu "EFM32 Peripheral Support"

# These "hidden" settings determine is a peripheral option is available for
# the selection MCU

config EFM32_HAVE_USART2
	bool
	default n

config EFM32_HAVE_UART0
	bool
	default n

config EFM32_HAVE_UART1
	bool
	default n

config EFM32_HAVE_LEUART1
	bool
	default n

config EFM32_HAVE_OTGFS
	bool
	default n

# When there are multiple instances of a device, these "hidden" settings
# will automatically be selected and will represent the 'OR' of the
# instances selected.

config EFM32_USART_ISUART
	bool
	default n

config EFM32_USART_ISSPI
	bool
	default n

config EFM32_UART
	bool
	default n

config EFM32_LEUART
	bool
	default n
	select MCU_SERIAL

# Then, these are the actual, selectable peripheral options

config EFM32_DMA
	bool "DMA"
	default n
	select ARCH_DMA

config EFM32_USART0
	bool "USART0"
	default n
	select ARCH_HAVE_USART0
	select ARCH_HAVE_SERIAL_TERMIOS

config EFM32_USART1
	bool "USART1"
	default n
	select ARCH_HAVE_USART1
	select ARCH_HAVE_SERIAL_TERMIOS

config EFM32_USART2
	bool "USART2"
	default n
	depends on EFM32_HAVE_USART2
	select ARCH_HAVE_USART2
	select ARCH_HAVE_SERIAL_TERMIOS

config EFM32_UART0
	bool "UART0"
	default n
	select ARCH_HAVE_UART0
	select EFM32_UART

config EFM32_UART1
	bool "UART1"
	default n
	select ARCH_HAVE_UART1
	select EFM32_UART

config EFM32_LEUART0
	bool "Low energy UART0"
	default n
	select ARCH_HAVE_OTHER_UART
	select EFM32_LEUART

config EFM32_LEUART1
	bool "Low energy UART1"
	default n
	depends on EFM32_HAVE_LEUART1
	select ARCH_HAVE_OTHER_UART
	select EFM32_LEUART

config EFM32_OTGFS
	bool "USB Full-Speed OTG"
	default n
	depends on EFM32_HAVE_OTGFS && EXPERIMENTAL

config EFM32_TIMER0
	bool "TIMER0"
	default n
	select ARCH_HAVE_TIMER0
	select EFM32_TIMER

config EFM32_TIMER1
	bool "TIMER1"
	default n
	select ARCH_HAVE_TIMER1
	select EFM32_TIMER

config EFM32_TIMER2
	bool "TIMER2"
	default n
	select ARCH_HAVE_TIMER2
	select EFM32_TIMER

config EFM32_TIMER3
	bool "TIMER3"
	default n
	select ARCH_HAVE_TIMER3
	select EFM32_TIMER

endmenu # EFM32 Peripheral Support

config EFM32_GPIO_IRQ
	bool "GPIO pin interrupts"
	---help---
		Enable support for interrupting GPIO pins

if EFM32_DMA

config EFM32_DMA_ALTDSEC
	int "Enable alternate descriptors"
	default 8
	depends on EXPERIMENTAL
	---help---
		Enable support for alternate descriptors.  Not fully implemented.

endif

choice
	prompt "USART0 Mode"
	default EFM32_USART0_ISUART
	depends on EFM32_USART0

config EFM32_USART0_ISUART
	bool "USART0 is a UART"
	select USART0_ISUART
	select EFM32_USART_ISUART

config EFM32_USART0_ISSPI
	bool "USART0 is SPI"
	select EFM32_USART_ISSPI

endchoice # USART0 Mode

choice
	prompt "USART1 Mode"
	default EFM32_USART1_ISUART
	depends on EFM32_USART1

config EFM32_USART1_ISUART
	bool "USART1 is a UART"
	select USART1_ISUART
	select EFM32_USART_ISUART

config EFM32_USART1_ISSPI
	bool "USART1 is SPI"
	select EFM32_USART_ISSPI

endchoice # USART1 Mode

choice
	prompt "USART2 Mode"
	default EFM32_USART2_ISUART
	depends on EFM32_USART2

config EFM32_USART2_ISUART
	bool "USART2 is a UART"
	select USART2_ISUART
	select EFM32_USART_ISUART

config EFM32_USART2_ISSPI
	bool "USART2 is SPI"
	select EFM32_USART_ISSPI

endchoice # USART2 Mode

choice
	prompt "LEUART Serial Console"
	default NO_LEUART_SERIAL_CONSOLE
	depends on DEV_CONSOLE && EFM32_LEUART

config LEUART0_SERIAL_CONSOLE
	bool "Use LEUART0 as the serial console"
	depends on EFM32_LEUART0
	select OTHER_SERIAL_CONSOLE
	---help---
		Use the LEUART0 device as the serial console

config LEUART1_SERIAL_CONSOLE
	bool "Use LEUART1 as the serial console"
	depends on EFM32_LEUART1
	select OTHER_SERIAL_CONSOLE
	---help---
		Use the LEUART0 device as the serial console

config NO_LEUART_SERIAL_CONSOLE
	bool "No LEUART serial console"
	---help---
		No serial console OR some other serial device provides the serial console

endchoice # LEUART Serial Console

menu "LEUART0 Configuration"
	depends on EFM32_LEUART0

config LEUART0_RXBUFSIZE
	int "Receive buffer size"
	default 64
	---help---
		Characters are buffered as they are received. This specifies
		the size of the receive buffer.

config LEUART0_TXBUFSIZE
	int "Transmit buffer size"
	default 64
	---help---
		Characters are buffered before being sent.  This specifies
		the size of the transmit buffer.

config LEUART0_BAUD
	int "BAUD rate"
	default 2400
	---help---
		The configured BAUD of the UART.

config LEUART0_BITS
	int "Character size"
	default 8
	range 8 9
	---help---
		The number of bits.  Must be either 8 or 9.

config LEUART0_PARITY
	int "Parity setting"
	range 0 2
	default 0
	---help---
		0=no parity, 1=odd parity, 2=even parity

config LEUART0_2STOP
	int "use 2 stop bits"
	default 0
	range 0 1
	---help---
		1=Two stop bits

endmenu # LEUART0 Configuration

menu "LEUART1 Configuration"
	depends on EFM32_LEUART1

config LEUART1_RXBUFSIZE
	int "Receive buffer size"
	default 64
	---help---
		Characters are buffered as they are received. This specifies
		the size of the receive buffer.

config LEUART1_TXBUFSIZE
	int "Transmit buffer size"
	default 64
	---help---
		Characters are buffered before being sent.  This specifies
		the size of the transmit buffer.

config LEUART1_BAUD
	int "BAUD rate"
	default 2400
	---help---
		The configured BAUD of the UART.

config LEUART1_BITS
	int "Character size"
	default 8
	range 8 9
	---help---
		The number of bits.  Must be either 8 or 9.

config LEUART1_PARITY
	int "Parity setting"
	range 0 2
	default 0
	---help---
		0=no parity, 1=odd parity, 2=even parity

config LEUART1_2STOP
	int "use 2 stop bits"
	default 0
	range 0 1
	---help---
		1=Two stop bits

endmenu # LEUART1 Configuration

if EFM32_USART_ISSPI
menu "SPI Configuration"

config EFM32_SPI_DMA
	bool "SPI DMA support"
	default n
	depends on EFM32_DMA
	---help---
		Select to enable DMA SPI transfers

if EFM32_SPI_DMA

config EFM32_SPI_DMA_TIMEO_NSEC
	int "Per word timeout (nsec)"
	default 500
	---help---
		A timeout will be be used to detect hung DMA transfers.  The timeout
		will vary as a function of the number of words transferred.  This
		value provides the per-word timeout value in nanoseconds.

config EFM32_SPI_DMA_MINSIZE
	int "Minimum DMA size"
	default 16
	---help---
		DMA is particularly helpful for the case of large SPI transfers.
		Smaller SPI transfer may be more efficiently performed without DMA.
		This option determines a threshold:  For transfers of this size and
		below, DMA will not be used.  A value of zero will force all DMA-
		based transfers.

endif # EFM32_SPI_DMA
endmenu # SPI Configuration
endif # EFM32_USART_ISSPI

menu "USB FS Host Configuration"
	depends on USBHOST && EFM32_OTGFS

config EFM32_OTGFS_RXFIFO_SIZE
	int "Rx Packet Size"
	default 128
	---help---
		Size of the RX FIFO in 32-bit words. Default 128 (512 bytes)

config EFM32_OTGFS_NPTXFIFO_SIZE
	int "Non-periodic Tx FIFO Size"
	default 96
	---help---
		Size of the non-periodic Tx FIFO in 32-bit words.  Default 96 (384 bytes)

config EFM32_OTGFS_PTXFIFO_SIZE
	int "Periodic Tx FIFO size"
	default 128
	---help---
		Size of the periodic Tx FIFO in 32-bit words.  Default 96 (384 bytes)

config EFM32_OTGFS_DESCSIZE
	int "Descriptor Size"
	default 128
	---help---
		Maximum size to allocate for descriptor memory descriptor.  Default: 128

config EFM32_OTGFS_SOFINTR
	bool "Enable SOF interrupts"
	default n
	---help---
		Enable SOF interrupts.  Why would you ever want to do that?

endmenu

config EFM32_TIMER0
	bool "TIMER0"
	default n
	depends on EFM32_HAVE_TIMER0

config EFM32_TIMER0_PWM
	bool "TIMER0 PWM"
	default n
	depends on EFM32_TIMER0
	select ARCH_HAVE_PWM_PULSECOUNT
	---help---
		Reserve timer 0 for use by PWM

		Timer devices may be used for different purposes.  One special purpose is
		to generate modulated outputs for such things as motor control.
		If EFM32_TIMER0 is defined then THIS following may also be defined
		to indicate that the timer is intended to be used for pulsed output
		modulation.

config EFM32_TIMER0_CHANNEL
	int "TIMER0 PWM Output Channel"
	default 0
	range 0 2
	depends on EFM32_TIMER0_PWM
	---help---
		If TIMER0 is enabled for PWM usage, you also need specifies the timer output
		channel {0,1,2}

config EFM32_TIMER1
	bool "TIMER1"
	default n
	depends on EFM32_HAVE_TIMER1

config EFM32_TIMER1_PWM
	bool "TIMER1 PWM"
	default n
	depends on EFM32_TIMER1
	select ARCH_HAVE_PWM_PULSECOUNT
	---help---
		Reserve timer 0 for use by PWM

		Timer devices may be used for different purposes.  One special purpose is
		to generate modulated outputs for such things as motor control.
		If EFM32_TIMER1 is defined then THIS following may also be defined
		to indicate that the timer is intended to be used for pulsed output
		modulation.

config EFM32_TIMER1_CHANNEL
	int "TIMER1 PWM Output Channel"
	default 0
	range 0 2
	depends on EFM32_TIMER1_PWM
	---help---
		If TIMER1 is enabled for PWM usage, you also need specifies the timer output
		channel {0,1,2}

config EFM32_TIMER2
	bool "TIMER2"
	default n
	depends on EFM32_HAVE_TIMER2

config EFM32_TIMER2_PWM
	bool "TIMER2 PWM"
	default n
	depends on EFM32_TIMER2
	select ARCH_HAVE_PWM_PULSECOUNT
	---help---
		Reserve timer 0 for use by PWM

		Timer devices may be used for different purposes.  One special purpose is
		to generate modulated outputs for such things as motor control.
		If EFM32_TIMER2 is defined then THIS following may also be defined
		to indicate that the timer is intended to be used for pulsed output
		modulation.

config EFM32_TIMER2_CHANNEL
	int "TIMER2 PWM Output Channel"
	default 0
	range 0 2
	depends on EFM32_TIMER2_PWM
	---help---
		If TIMER2 is enabled for PWM usage, you also need specifies the timer output
		channel {0,1,2}

config EFM32_TIMER3
	bool "TIMER3"
	default n
	depends on EFM32_HAVE_TIMER3

config EFM32_TIMER3_PWM
	bool "TIMER3 PWM"
	default n
	depends on EFM32_TIMER3
	select ARCH_HAVE_PWM_PULSECOUNT
	---help---
		Reserve timer 0 for use by PWM

		Timer devices may be used for different purposes.  One special purpose is
		to generate modulated outputs for such things as motor control.
		If EFM32_TIMER3 is defined then THIS following may also be defined
		to indicate that the timer is intended to be used for pulsed output
		modulation.

config EFM32_TIMER3_CHANNEL
	int "TIMER3 PWM Output Channel"
	default 0
	range 0 2
	depends on EFM32_TIMER3_PWM
	---help---
		If TIMER3 is enabled for PWM usage, you also need specifies the timer output
		channel {0,1,2}

endif # ARCH_CHIP_EFM32