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_RMU
	bool "Reset Management Unit (RMU) "
	default n

config EFM32_RMU_DEBUG
	bool "Reset Management Unit (RMU) DEBUG "
	default n
	depends on EFM32_RMU && DEBUG

config EFM32_I2C0
	bool "I2C0"
	default n

config EFM32_I2C1
	bool "I2C1"
	default n

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
	select USBHOST_HAVE_ASYNCH if USBHOST

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

config EFM32_LECLOCK
	bool "Enable LE clocking (unconditionally)"
	default n
	---help---
		Even you don't use core clock LE as source for LFA or LFB, to read
		are write any register not clocked by HFPERCLK or HFCORECLK,
		HFCORECLKLE should be enabled.

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}

config EFM32_RTC_BURTC
	bool "Use BURTC as RTC"
	default n
	---help---
		Enable RTC with EFM32 BURTC

endif # ARCH_CHIP_EFM32