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linux_dsm_epyc7002/arch/cris/arch-v10/drivers/Kconfig
Jesper Nilsson 5866d7ef95 CRIS: Better link to rs485 in help 
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2010-08-04 12:59:42 +02:00

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if ETRAX_ARCH_V10
config ETRAX_ETHERNET
bool "Ethernet support"
depends on ETRAX_ARCH_V10
select NET_ETHERNET
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_USB_HOST_PORT1
bool "USB port 1 enabled"
depends on ETRAX_USB_HOST
default n
config ETRAX_USB_HOST_PORT2
bool "USB port 2 enabled"
depends on ETRAX_USB_HOST
default n
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_BUTTON_BITMASK
hex "PA-buttons bitmask"
depends on ETRAX_GPIO
default "02"
help
This is a bitmask with information about what bits on PA that
are used for buttons.
Most products has a so called TEST button on PA1, if that's true
use 02 here.
Use 00 if there are no buttons on PA.
If the bitmask is <> 00 a button driver will be included in the gpio
driver. ETRAX general I/O support must be enabled.
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.
config ETRAX_DS1302_RST_ON_GENERIC_PORT
bool "DS1302 RST on Generic Port"
depends on ETRAX_DS1302
help
If your product has the RST signal line for the DS1302 RTC on the
Generic Port then say Y here, otherwise leave it as N in which
case the RST signal line is assumed to be connected to Port PB
(just like the SCL and SDA lines).
config ETRAX_DS1302_RSTBIT
int "DS1302 RST bit number"
depends on ETRAX_DS1302
default "2"
help
This is the bit number for the RST signal line of the DS1302 RTC on
the selected port. If you have selected the generic port then it
should be bit 27, otherwise your best bet is bit 5.
config ETRAX_DS1302_SCLBIT
int "DS1302 SCL bit number"
depends on ETRAX_DS1302
default "1"
help
This is the bit number for the SCL signal line of the DS1302 RTC on
Port PB. This is probably best left at 3.
config ETRAX_DS1302_SDABIT
int "DS1302 SDA bit number"
depends on ETRAX_DS1302
default "0"
help
This is the bit number for the SDA signal line of the DS1302 RTC on
Port PB. This is probably best left at 2.
config ETRAX_DS1302_TRICKLE_CHARGE
int "DS1302 Trickle charger value"
depends on ETRAX_DS1302
default "0"
help
This controls the initial value of the trickle charge register.
0 = disabled (use this if you are unsure or have a non rechargeable battery)
Otherwise the following values can be OR:ed together to control the
charge current:
1 = 2kohm, 2 = 4kohm, 3 = 4kohm
4 = 1 diode, 8 = 2 diodes
Allowed values are (increasing current): 0, 11, 10, 9, 7, 6, 5
endif
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