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kernel/linux-rt-4.4.41/arch/cris/arch-v10/drivers/Kconfig 19.6 KB
5113f6f70   김현기   kernel add
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  if ETRAX_ARCH_V10
  
  config ETRAX_ETHERNET
  	bool "Ethernet support"
  	depends on ETRAX_ARCH_V10 && NETDEVICES
  	select MII
  	help
  	  This option enables the ETRAX 100LX built-in 10/100Mbit Ethernet
  	  controller.
  
  config ETRAX_SERIAL
  	bool "Serial-port support"
  	depends on ETRAX_ARCH_V10
  	help
  	  Enables the ETRAX 100 serial driver for ser0 (ttyS0)
  	  You probably want this enabled.
  
  config ETRAX_SERIAL_FAST_TIMER
  	bool "Use fast timers for serial DMA flush (experimental)"
  	depends on ETRAX_SERIAL
  	help
  	  Select this to have the serial DMAs flushed at a higher rate than
  	  normally, possible by using the fast timer API, the timeout is
  	  approx. 4 character times.
  	  If unsure, say N.
  
  config ETRAX_SERIAL_FLUSH_DMA_FAST
  	bool "Fast serial port DMA flush"
  	depends on ETRAX_SERIAL && !ETRAX_SERIAL_FAST_TIMER
  	help
  	  Select this to have the serial DMAs flushed at a higher rate than
  	  normally possible through a fast timer interrupt (currently at
  	  15360 Hz).
  	  If unsure, say N.
  
  config ETRAX_SERIAL_RX_TIMEOUT_TICKS
  	int "Receive flush timeout (ticks) "
  	depends on ETRAX_SERIAL && !ETRAX_SERIAL_FAST_TIMER && !ETRAX_SERIAL_FLUSH_DMA_FAST
  	default "5"
  	help
  	  Number of timer ticks between flush of receive fifo (1 tick = 10ms).
  	  Try 0-3 for low latency applications.  Approx 5 for high load
  	  applications (e.g. PPP).  Maybe this should be more adaptive some
  	  day...
  
  config ETRAX_SERIAL_PORT0
  	bool "Serial port 0 enabled"
  	depends on ETRAX_SERIAL
  	help
  	  Enables the ETRAX 100 serial driver for ser0 (ttyS0)
  	  Normally you want this on, unless you use external DMA 1 that uses
  	  the same DMA channels.
  
  choice
  	prompt "Ser0 DTR, RI, DSR and CD assignment"
  	depends on ETRAX_SERIAL_PORT0
  	default ETRAX_SER0_DTR_RI_DSR_CD_ON_NONE
  
  config ETRAX_SER0_DTR_RI_DSR_CD_ON_NONE
  	bool "No_DTR_RI_DSR_CD"
  
  config ETRAX_SER0_DTR_RI_DSR_CD_ON_PA
  	bool "DTR_RI_DSR_CD_on_PA"
  
  config ETRAX_SER0_DTR_RI_DSR_CD_ON_PB
  	bool "DTR_RI_DSR_CD_on_PB"
  	help
  	  Enables the status and control signals DTR, RI, DSR and CD on PB for
  	  ser0.
  
  config ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
  
  endchoice
  
  config ETRAX_SER0_DTR_ON_PA_BIT
  	int "Ser0 DTR on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "4" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER0_RI_ON_PA_BIT
  	int "Ser0 RI  on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "5" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER0_DSR_ON_PA_BIT
  	int "Ser0 DSR on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "6" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER0_CD_ON_PA_BIT
  	int "Ser0 CD  on PA bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "7" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PA || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER0_DTR_ON_PB_BIT
  	int "Ser0 DTR on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "4" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the DTR signal for serial
  	  port 0.
  
  config ETRAX_SER0_RI_ON_PB_BIT
  	int "Ser0 RI  on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "5" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the RI signal for serial
  	  port 0.
  
  config ETRAX_SER0_DSR_ON_PB_BIT
  	int "Ser0 DSR on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "6" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the DSR signal for serial
  	  port 0.
  
  config ETRAX_SER0_CD_ON_PB_BIT
  	int "Ser0 CD  on PB bit (-1 = not used)" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT0
  	default "-1" if !ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	default "7" if ETRAX_SER0_DTR_RI_DSR_CD_ON_PB || ETRAX_SER0_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the CD signal for serial
  	  port 0.
  
  config ETRAX_SERIAL_PORT1
  	bool "Serial port 1 enabled"
  	depends on ETRAX_SERIAL
  	help
  	  Enables the ETRAX 100 serial driver for ser1 (ttyS1).
  
  choice
  	prompt "Ser1 DTR, RI, DSR and CD assignment"
  	depends on ETRAX_SERIAL_PORT1
  	default ETRAX_SER1_DTR_RI_DSR_CD_ON_NONE
  
  config ETRAX_SER1_DTR_RI_DSR_CD_ON_NONE
  	bool "No_DTR_RI_DSR_CD"
  
  config ETRAX_SER1_DTR_RI_DSR_CD_ON_PA
  	bool "DTR_RI_DSR_CD_on_PA"
  
  config ETRAX_SER1_DTR_RI_DSR_CD_ON_PB
  	bool "DTR_RI_DSR_CD_on_PB"
  	help
  	  Enables the status and control signals DTR, RI, DSR and CD on PB for
  	  ser1.
  
  config ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
  
  endchoice
  
  config ETRAX_SER1_DTR_ON_PA_BIT
  	int "Ser1 DTR on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "4" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER1_RI_ON_PA_BIT
  	int "Ser1 RI  on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "5" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER1_DSR_ON_PA_BIT
  	int "Ser1 DSR on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "6" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER1_CD_ON_PA_BIT
  	int "Ser1 CD  on PA bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "7" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PA || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER1_DTR_ON_PB_BIT
  	int "Ser1 DTR on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "4" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the DTR signal for serial
  	  port 1.
  
  config ETRAX_SER1_RI_ON_PB_BIT
  	int "Ser1 RI  on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "5" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the RI signal for serial
  	  port 1.
  
  config ETRAX_SER1_DSR_ON_PB_BIT
  	int "Ser1 DSR on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "6" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the DSR signal for serial
  	  port 1.
  
  config ETRAX_SER1_CD_ON_PB_BIT
  	int "Ser1 CD  on PB bit (-1 = not used)" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT1
  	default "-1" if !ETRAX_SER1_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	default "7" if ETRAX_SER1_DTR_RI_DSR_CD_ON_PB || ETRAX_SER1_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PB port to carry the CD signal for serial
  	  port 1.
  
  comment "Make sure you do not have the same PB bits more than once!"
  	depends on ETRAX_SERIAL && ETRAX_SER0_DTR_RI_DSR_CD_ON_PB && ETRAX_SER1_DTR_RI_DSR_CD_ON_PB
  
  config ETRAX_SERIAL_PORT2
  	bool "Serial port 2 enabled"
  	depends on ETRAX_SERIAL
  	help
  	  Enables the ETRAX 100 serial driver for ser2 (ttyS2).
  
  choice
  	prompt "Ser2 DTR, RI, DSR and CD assignment"
  	depends on ETRAX_SERIAL_PORT2
  	default ETRAX_SER2_DTR_RI_DSR_CD_ON_NONE
  
  config ETRAX_SER2_DTR_RI_DSR_CD_ON_NONE
  	bool "No_DTR_RI_DSR_CD"
  
  config ETRAX_SER2_DTR_RI_DSR_CD_ON_PA
  	bool "DTR_RI_DSR_CD_on_PA"
  	help
  	  Enables the status and control signals DTR, RI, DSR and CD on PA for
  	  ser2.
  
  config ETRAX_SER2_DTR_RI_DSR_CD_ON_PB
  	bool "DTR_RI_DSR_CD_on_PB"
  
  config ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
  
  endchoice
  
  config ETRAX_SER2_DTR_ON_PA_BIT
  	int "Ser2 DTR on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "4" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PA port to carry the DTR signal for serial
  	  port 2.
  
  config ETRAX_SER2_RI_ON_PA_BIT
  	int "Ser2 RI  on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "5" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PA port to carry the RI signal for serial
  	  port 2.
  
  config ETRAX_SER2_DSR_ON_PA_BIT
  	int "Ser2 DSR on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "6" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PA port to carry the DTR signal for serial
  	  port 2.
  
  config ETRAX_SER2_CD_ON_PA_BIT
  	int "Ser2 CD  on PA bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PA && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "7" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PA || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	help
  	  Specify the pin of the PA port to carry the CD signal for serial
  	  port 2.
  
  config ETRAX_SER2_DTR_ON_PB_BIT
  	int "Ser2 DTR on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "4" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER2_RI_ON_PB_BIT
  	int "Ser2 RI  on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "5" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER2_DSR_ON_PB_BIT
  	int "Ser2 DSR on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "6" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SER2_CD_ON_PB_BIT
  	int "Ser2 CD  on PB bit (-1 = not used)" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT2
  	default "-1" if !ETRAX_SER2_DTR_RI_DSR_CD_ON_PB && !ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  	default "7" if ETRAX_SER2_DTR_RI_DSR_CD_ON_PB || ETRAX_SER2_DTR_RI_DSR_CD_MIXED
  
  config ETRAX_SERIAL_PORT3
  	bool "Serial port 3 enabled"
  	depends on ETRAX_SERIAL
  	help
  	  Enables the ETRAX 100 serial driver for ser3 (ttyS3).
  
  choice
  	prompt "Ser3 DTR, RI, DSR and CD assignment"
  	depends on ETRAX_SERIAL_PORT3
  	default ETRAX_SER3_DTR_RI_DSR_CD_ON_NONE
  
  config ETRAX_SER3_DTR_RI_DSR_CD_ON_NONE
  	bool "No_DTR_RI_DSR_CD"
  
  config ETRAX_SER3_DTR_RI_DSR_CD_ON_PA
  	bool "DTR_RI_DSR_CD_on_PA"
  
  config ETRAX_SER3_DTR_RI_DSR_CD_ON_PB
  	bool "DTR_RI_DSR_CD_on_PB"
  
  config ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	bool "DTR_RI_DSR_CD_mixed_on_PA_and_PB"
  
  endchoice
  
  config ETRAX_SER3_DTR_ON_PA_BIT
  	int "Ser3 DTR on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_RI_ON_PA_BIT
  	int "Ser3 RI  on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_DSR_ON_PA_BIT
  	int "Ser3 DSR on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_CD_ON_PA_BIT
  	int "Ser3 CD  on PA bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PA || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_DTR_ON_PB_BIT
  	int "Ser3 DTR on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_RI_ON_PB_BIT
  	int "Ser3 RI  on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_DSR_ON_PB_BIT
  	int "Ser3 DSR on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_SER3_CD_ON_PB_BIT
  	int "Ser3 CD  on PB bit (-1 = not used)" if ETRAX_SER3_DTR_RI_DSR_CD_ON_PB || ETRAX_SER3_DTR_RI_DSR_CD_MIXED
  	depends on ETRAX_SERIAL_PORT3
  	default "-1"
  
  config ETRAX_RS485
  	bool "RS-485 support"
  	depends on ETRAX_SERIAL
  	help
  	  Enables support for RS-485 serial communication.  For a primer on
  	  RS-485, see <http://en.wikipedia.org/wiki/Rs485>
  
  config ETRAX_RS485_ON_PA
  	bool "RS-485 mode on PA"
  	depends on ETRAX_RS485
  	help
  	  Control Driver Output Enable on RS485 transceiver using a pin on PA
  	  port:
  	  Axis 2400/2401 uses PA 3.
  
  config ETRAX_RS485_ON_PA_BIT
  	int "RS-485 mode on PA bit"
  	depends on ETRAX_RS485_ON_PA
  	default "3"
  	help
  	  Control Driver Output Enable on RS485 transceiver using a this bit
  	  on PA port.
  
  config ETRAX_RS485_DISABLE_RECEIVER
  	bool "Disable serial receiver"
  	depends on ETRAX_RS485
  	help
  	  It's necessary to disable the serial receiver to avoid serial
  	  loopback.  Not all products are able to do this in software only.
  	  Axis 2400/2401 must disable receiver.
  
  config ETRAX_USB_HOST
  	bool "USB host"
  	select USB
  	help
  	   This option enables the host functionality of the ETRAX 100LX
  	   built-in USB controller. In host mode the controller is designed
  	   for CTRL and BULK traffic only, INTR traffic may work as well
  	   however (depending on the requirements of timeliness).
  
  config ETRAX_PTABLE_SECTOR
  	int "Byte-offset of partition table sector"
  	depends on ETRAX_AXISFLASHMAP
  	default "65536"
  	help
  	  Byte-offset of the partition table in the first flash chip.
  	  The default value is 64kB and should not be changed unless
  	  you know exactly what you are doing. The only valid reason
  	  for changing this is when the flash block size is bigger
  	  than 64kB (e.g. when using two parallel 16 bit flashes).
  
  config ETRAX_I2C
  	bool "I2C support"
  	depends on ETRAX_ARCH_V10
  	help
  	  Enables an I2C driver on ETRAX100.
  	  EXAMPLE usage:
  	  i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val);
  	  ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg);
  	  i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
  	  val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
  
  # this is true for most products since PB-I2C seems to be somewhat
  # flawed..
  config ETRAX_I2C_USES_PB_NOT_PB_I2C
  	bool "I2C uses PB not PB-I2C"
  	depends on ETRAX_I2C
  	help
  	  Select whether to use the special I2C mode in the PB I/O register or
  	  not.  This option needs to be selected in order to use some drivers
  	  that access the I2C I/O pins directly instead of going through the
  	  I2C driver, like the DS1302 realtime-clock driver.  If you are
  	  uncertain, choose Y here.
  
  config ETRAX_I2C_DATA_PORT
  	int "I2C SDA bit number"
  	depends on ETRAX_I2C_USES_PB_NOT_PB_I2C
  	default "0"
  	help
  	  Selects the pin on Port B where the data pin is connected
  
  config ETRAX_I2C_CLK_PORT
  	int "I2C SCL bit number"
  	depends on ETRAX_I2C_USES_PB_NOT_PB_I2C
  	default "1"
  	help
  	  Select the pin on Port B where the clock pin is connected
  
  config ETRAX_I2C_EEPROM
  	bool "I2C EEPROM (non-volatile RAM) support"
  	depends on ETRAX_I2C
  	help
  	  Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
  	  driver.  Select size option: Probed, 2k, 8k, 16k.
  	  (Probing works for 2k and 8k but not that well for 16k)
  
  choice
  	prompt "EEPROM size"
  	depends on ETRAX_I2C_EEPROM
  	default ETRAX_I2C_EEPROM_PROBE
  
  config ETRAX_I2C_EEPROM_PROBE
  	bool "Probed"
  	help
  	  Specifies size or auto probe of the EEPROM size.
  	  Options: Probed, 2k, 8k, 16k.
  	  (Probing works for 2k and 8k but not that well for 16k)
  
  config ETRAX_I2C_EEPROM_2KB
  	bool "2kB"
  	help
  	  Use a 2kB EEPROM.
  
  config ETRAX_I2C_EEPROM_8KB
  	bool "8kB"
  	help
  	  Use a 8kB EEPROM.
  
  config ETRAX_I2C_EEPROM_16KB
  	bool "16kB"
  	help
  	  Use a 16kB EEPROM.
  
  endchoice
  
  config ETRAX_GPIO
  	bool "GPIO support"
  	depends on ETRAX_ARCH_V10
  	---help---
  	  Enables the ETRAX general port device (major 120, minors 0 and 1).
  	  You can use this driver to access the general port bits. It supports
  	  these ioctl's:
  	  #include <linux/etraxgpio.h>
  	  fd = open("/dev/gpioa", O_RDWR); // or /dev/gpiob
  	  ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_SETBITS), bits_to_set);
  	  ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_CLRBITS), bits_to_clear);
  	  val = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READBITS), NULL);
  	  Remember that you need to setup the port directions appropriately in
  	  the General configuration.
  
  config ETRAX_PA_CHANGEABLE_DIR
  	hex "PA user changeable dir mask"
  	depends on ETRAX_GPIO
  	default "00"
  	help
  	  This is a bitmask with information of what bits in PA that a user
  	  can change direction on using ioctl's.
  	  Bit set = changeable.
  	  You probably want 00 here.
  
  config ETRAX_PA_CHANGEABLE_BITS
  	hex "PA user changeable bits mask"
  	depends on ETRAX_GPIO
  	default "FF"
  	help
  	  This is a bitmask with information of what bits in PA that a user
  	  can change the value on using ioctl's.
  	  Bit set = changeable.
  	  You probably want 00 here.
  
  config ETRAX_PB_CHANGEABLE_DIR
  	hex "PB user changeable dir mask"
  	depends on ETRAX_GPIO
  	default "00"
  	help
  	  This is a bitmask with information of what bits in PB that a user
  	  can change direction on using ioctl's.
  	  Bit set = changeable.
  	  You probably want 00 here.
  
  config ETRAX_PB_CHANGEABLE_BITS
  	hex "PB user changeable bits mask"
  	depends on ETRAX_GPIO
  	default "FF"
  	help
  	  This is a bitmask with information of what bits in PB that a user
  	  can change the value on using ioctl's.
  	  Bit set = changeable.
  	  You probably want 00 here.
  
  endif