bool
default y
-config NO_DMA
- bool
- default y
-
config RWSEM_GENERIC_SPINLOCK
bool
default y
config RWSEM_XCHGADD_ALGORITHM
bool
+config GENERIC_IOMAP
+ bool
+ default y
+
config ARCH_HAS_ILOG2_U32
bool
default n
bool
default y
-config IRQ_PER_CPU
- bool
- default y
-
config NO_IOPORT
def_bool y
+config NO_IOMEM
+ def_bool y
+
+config FORCE_MAX_ZONEORDER
+ int
+ default 6
+
config CRIS
bool
default y
timers).
This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
-config PREEMPT
- bool "Preemptible Kernel"
+config ETRAX_KMALLOCED_MODULES
+ bool "Enable module allocation with kmalloc"
help
- This option reduces the latency of the kernel when reacting to
- real-time or interactive events by allowing a low priority process to
- be preempted even if it is in kernel mode executing a system call.
- This allows applications to run more reliably even when the system is
- under load.
+ Enable module allocation with kmalloc instead of vmalloc.
+
+config OOM_REBOOT
+ bool "Enable reboot at out of memory"
- Say Y here if you are building a kernel for a desktop, embedded
- or real-time system. Say N if you are unsure.
+source "kernel/Kconfig.preempt"
source mm/Kconfig
help
Support the xsim ETRAX Simulator.
+config ETRAXFS
+ bool "ETRAX-FS-V32"
+ help
+ Support CRIS V32.
+
+config CRIS_MACH_ARTPEC3
+ bool "ARTPEC-3"
+ help
+ Support Axis ARTPEC-3.
+
endchoice
+config ETRAX_VCS_SIM
+ bool "VCS Simulator"
+ help
+ Setup hardware to be run in the VCS simulator.
+
config ETRAX_ARCH_V10
bool
default y if ETRAX100LX || ETRAX100LX_V2
default n if !(ETRAX100LX || ETRAX100LX_V2)
+config ETRAX_ARCH_V32
+ bool
+ default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
+ default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
+
config ETRAX_DRAM_SIZE
int "DRAM size (dec, in MB)"
default "8"
help
Size of DRAM (decimal in MB) typically 2, 8 or 16.
+config ETRAX_VMEM_SIZE
+ int "Video memory size (dec, in MB)"
+ depends on ETRAX_ARCH_V32 && !ETRAXFS
+ default 8 if !ETRAXFS
+ help
+ Size of Video accessible memory (decimal, in MB).
+
config ETRAX_FLASH_BUSWIDTH
- int "Buswidth of flash in bytes"
+ int "Buswidth of NOR flash in bytes"
default "2"
help
- Width in bytes of the Flash bus (1, 2 or 4). Is usually 2.
+ Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
+
+config ETRAX_NANDFLASH_BUSWIDTH
+ int "Buswidth of NAND flash in bytes"
+ default "1"
+ help
+ Width in bytes of the NAND flash (1 or 2).
+
+config ETRAX_FLASH1_SIZE
+ int "FLASH1 size (dec, in MB. 0 = Unknown)"
+ default "0"
+
+choice
+ prompt "Product debug-port"
+ default ETRAX_DEBUG_PORT0
+
+config ETRAX_DEBUG_PORT0
+ bool "Serial-0"
+ help
+ Choose a serial port for the ETRAX debug console. Default to
+ port 0.
+
+config ETRAX_DEBUG_PORT1
+ bool "Serial-1"
+ help
+ Use serial port 1 for the console.
+
+config ETRAX_DEBUG_PORT2
+ bool "Serial-2"
+ help
+ Use serial port 2 for the console.
+
+config ETRAX_DEBUG_PORT3
+ bool "Serial-3"
+ help
+ Use serial port 3 for the console.
+
+config ETRAX_DEBUG_PORT_NULL
+ bool "disabled"
+ help
+ Disable serial-port debugging.
+
+endchoice
+
+choice
+ prompt "Kernel GDB port"
+ depends on ETRAX_KGDB
+ default ETRAX_KGDB_PORT0
+ help
+ Choose a serial port for kernel debugging. NOTE: This port should
+ not be enabled under Drivers for built-in interfaces (as it has its
+ own initialization code) and should not be the same as the debug port.
+
+config ETRAX_KGDB_PORT0
+ bool "Serial-0"
+ help
+ Use serial port 0 for kernel debugging.
+
+config ETRAX_KGDB_PORT1
+ bool "Serial-1"
+ help
+ Use serial port 1 for kernel debugging.
+
+config ETRAX_KGDB_PORT2
+ bool "Serial-2"
+ help
+ Use serial port 2 for kernel debugging.
+
+config ETRAX_KGDB_PORT3
+ bool "Serial-3"
+ help
+ Use serial port 3 for kernel debugging.
+
+endchoice
source arch/cris/arch-v10/Kconfig
source arch/cris/arch-v32/Kconfig
source arch/cris/arch-v10/drivers/Kconfig
source arch/cris/arch-v32/drivers/Kconfig
+choice
+ prompt "RTC chip"
+ depends on ETRAX_RTC
+ default ETRAX_PCF8563 if ETRAX_ARCH_V32
+ default ETRAX_DS1302 if ETRAX_ARCH_V10
+
+config ETRAX_DS1302
+ depends on ETRAX_ARCH_V10
+ bool "DS1302"
+ help
+ Enables the driver for the DS1302 Real-Time Clock battery-backed
+ chip on some products.
+
+config ETRAX_PCF8563
+ bool "PCF8563"
+ help
+ Enables the driver for the PCF8563 Real-Time Clock battery-backed
+ chip on some products.
+
+endchoice
+
+choice
+ prompt "Network LED behavior"
+ depends on ETRAX_ETHERNET
+ default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
+
+config ETRAX_NETWORK_LED_ON_WHEN_LINK
+ bool "LED_on_when_link"
+ help
+ Selecting LED_on_when_link will light the LED when there is a
+ connection and will flash off when there is activity.
+
+ Selecting LED_on_when_activity will light the LED only when
+ there is activity.
+
+ This setting will also affect the behaviour of other activity LEDs
+ e.g. Bluetooth.
+
+config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
+ bool "LED_on_when_activity"
+ help
+ Selecting LED_on_when_link will light the LED when there is a
+ connection and will flash off when there is activity.
+
+ Selecting LED_on_when_activity will light the LED only when
+ there is activity.
+
+ This setting will also affect the behaviour of other activity LEDs
+ e.g. Bluetooth.
+
+endchoice
+
+choice
+ prompt "Ser0 DMA out channel"
+ depends on ETRAX_SERIAL_PORT0
+ default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
+
+config ETRAX_SERIAL_PORT0_NO_DMA_OUT
+ bool "Ser0 uses no DMA for output"
+ help
+ Do not use DMA for ser0 output.
+
+config ETRAX_SERIAL_PORT0_DMA6_OUT
+ bool "Ser0 uses DMA6 for output"
+ depends on ETRAXFS
+ help
+ Enables the DMA6 output channel for ser0 (ttyS0).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT0_DMA0_OUT
+ bool "Ser0 uses DMA0 for output"
+ depends on CRIS_MACH_ARTPEC3
+ help
+ Enables the DMA0 output channel for ser0 (ttyS0).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+endchoice
+
+choice
+ prompt "Ser0 DMA in channel "
+ depends on ETRAX_SERIAL_PORT0
+ default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
+ help
+ What DMA channel to use for ser0.
+
+config ETRAX_SERIAL_PORT0_NO_DMA_IN
+ bool "Ser0 uses no DMA for input"
+ help
+ Do not use DMA for ser0 input.
+
+config ETRAX_SERIAL_PORT0_DMA7_IN
+ bool "Ser0 uses DMA7 for input"
+ depends on ETRAXFS
+ help
+ Enables the DMA7 input channel for ser0 (ttyS0).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiving data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT0_DMA1_IN
+ bool "Ser0 uses DMA1 for input"
+ depends on CRIS_MACH_ARTPEC3
+ help
+ Enables the DMA1 input channel for ser0 (ttyS0).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiveing data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+endchoice
+
+choice
+ prompt "Ser1 DMA in channel "
+ depends on ETRAX_SERIAL_PORT1
+ default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
+ help
+ What DMA channel to use for ser1.
+
+config ETRAX_SERIAL_PORT1_NO_DMA_IN
+ bool "Ser1 uses no DMA for input"
+ help
+ Do not use DMA for ser1 input.
+
+config ETRAX_SERIAL_PORT1_DMA5_IN
+ bool "Ser1 uses DMA5 for input"
+ depends on ETRAX_ARCH_V32
+ help
+ Enables the DMA5 input channel for ser1 (ttyS1).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiving data.
+ Normally you want this on, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT1_DMA9_IN
+ depends on ETRAX_ARCH_V10
+ bool "Ser1 uses DMA9 for input"
+
+endchoice
+
+
+choice
+ prompt "Ser1 DMA out channel"
+ depends on ETRAX_SERIAL_PORT1
+ default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
+ help
+ What DMA channel to use for ser1.
+
+config ETRAX_SERIAL_PORT1_NO_DMA_OUT
+ bool "Ser1 uses no DMA for output"
+ help
+ Do not use DMA for ser1 output.
+
+config ETRAX_SERIAL_PORT1_DMA8_OUT
+ depends on ETRAX_ARCH_V10
+ bool "Ser1 uses DMA8 for output"
+
+config ETRAX_SERIAL_PORT1_DMA4_OUT
+ depends on ETRAX_ARCH_V32
+ bool "Ser1 uses DMA4 for output"
+ help
+ Enables the DMA4 output channel for ser1 (ttyS1).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want this on, unless you use the DMA channel for
+ something else.
+
+endchoice
+
+choice
+ prompt "Ser2 DMA out channel"
+ depends on ETRAX_SERIAL_PORT2
+ default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
+
+config ETRAX_SERIAL_PORT2_NO_DMA_OUT
+ bool "Ser2 uses no DMA for output"
+ help
+ Do not use DMA for ser2 output.
+
+config ETRAX_SERIAL_PORT2_DMA2_OUT
+ bool "Ser2 uses DMA2 for output"
+ depends on ETRAXFS || ETRAX_ARCH_V10
+ help
+ Enables the DMA2 output channel for ser2 (ttyS2).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT2_DMA6_OUT
+ bool "Ser2 uses DMA6 for output"
+ depends on CRIS_MACH_ARTPEC3
+ help
+ Enables the DMA6 output channel for ser2 (ttyS2).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+endchoice
+
+choice
+ prompt "Ser2 DMA in channel"
+ depends on ETRAX_SERIAL_PORT2
+ default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
+ help
+ What DMA channel to use for ser2.
+
+config ETRAX_SERIAL_PORT2_NO_DMA_IN
+ bool "Ser2 uses no DMA for input"
+ help
+ Do not use DMA for ser2 input.
+
+config ETRAX_SERIAL_PORT2_DMA3_IN
+ bool "Ser2 uses DMA3 for input"
+ depends on ETRAXFS || ETRAX_ARCH_V10
+ help
+ Enables the DMA3 input channel for ser2 (ttyS2).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiving data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT2_DMA7_IN
+ bool "Ser2 uses DMA7 for input"
+ depends on CRIS_MACH_ARTPEC3
+ help
+ Enables the DMA7 input channel for ser2 (ttyS2).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiveing data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+endchoice
+
+choice
+ prompt "Ser3 DMA in channel"
+ depends on ETRAX_SERIAL_PORT3
+ default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
+ help
+ What DMA channel to use for ser3.
+
+config ETRAX_SERIAL_PORT3_NO_DMA_IN
+ bool "Ser3 uses no DMA for input"
+ help
+ Do not use DMA for ser3 input.
+
+config ETRAX_SERIAL_PORT3_DMA5_IN
+ depends on ETRAX_ARCH_V10
+ bool "DMA 5"
+
+config ETRAX_SERIAL_PORT3_DMA9_IN
+ bool "Ser3 uses DMA9 for input"
+ depends on ETRAXFS
+ help
+ Enables the DMA9 input channel for ser3 (ttyS3).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiving data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT3_DMA3_IN
+ bool "Ser3 uses DMA3 for input"
+ depends on CRIS_MACH_ARTPEC3
+ help
+ Enables the DMA3 input channel for ser3 (ttyS3).
+ If you do not enable DMA, an interrupt for each character will be
+ used when receiveing data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+endchoice
+
+choice
+ prompt "Ser3 DMA out channel"
+ depends on ETRAX_SERIAL_PORT3
+ default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
+ default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
+
+config ETRAX_SERIAL_PORT3_NO_DMA_OUT
+ bool "Ser3 uses no DMA for output"
+ help
+ Do not use DMA for ser3 output.
+
+config ETRAX_SERIAL_PORT3_DMA4_OUT
+ depends on ETRAX_ARCH_V10
+ bool "DMA 4"
+
+config ETRAX_SERIAL_PORT3_DMA8_OUT
+ bool "Ser3 uses DMA8 for output"
+ depends on ETRAXFS
+ help
+ Enables the DMA8 output channel for ser3 (ttyS3).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+config ETRAX_SERIAL_PORT3_DMA2_OUT
+ bool "Ser3 uses DMA2 for output"
+ depends on CRIS_MACH_ARTPEC3
+ help
+ Enables the DMA2 output channel for ser3 (ttyS3).
+ If you do not enable DMA, an interrupt for each character will be
+ used when transmitting data.
+ Normally you want to use DMA, unless you use the DMA channel for
+ something else.
+
+endchoice
+
endmenu
source "drivers/base/Kconfig"
source "drivers/block/Kconfig"
-source "drivers/md/Kconfig"
-
source "drivers/ide/Kconfig"
-source "drivers/scsi/Kconfig"
-
-source "drivers/ieee1394/Kconfig"
-
-source "drivers/message/i2o/Kconfig"
-
source "drivers/net/Kconfig"
-source "drivers/isdn/Kconfig"
-
-source "drivers/telephony/Kconfig"
-
source "drivers/i2c/Kconfig"
source "drivers/rtc/Kconfig"
source "drivers/char/Kconfig"
-#source drivers/misc/Config.in
-source "drivers/media/Kconfig"
-
source "fs/Kconfig"
-source "sound/Kconfig"
-
-source "drivers/pcmcia/Kconfig"
-
-source "drivers/pci/Kconfig"
-
source "drivers/usb/Kconfig"
source "arch/cris/Kconfig.debug"
bool "Ethernet support"
depends on ETRAX_ARCH_V32
select NET_ETHERNET
+ select MII
help
This option enables the ETRAX FS built-in 10/100Mbit Ethernet
controller.
-config ETRAX_ETHERNET_HW_CSUM
- bool "Hardware accelerated ethernet checksum and scatter/gather"
+config ETRAX_NO_PHY
+ bool "PHY not present"
depends on ETRAX_ETHERNET
- depends on ETRAX_STREAMCOPROC
- default y
+ default N
help
- Hardware acceleration of checksumming and scatter/gather
+ This option disables all MDIO communication with an ethernet
+ transceiver connected to the MII interface. This option shall
+ typically be enabled if the MII interface is connected to a
+ switch. This option should normally be disabled. If enabled,
+ speed and duplex will be locked to 100 Mbit and full duplex.
config ETRAX_ETHERNET_IFACE0
depends on ETRAX_ETHERNET
bool "Enable network interface 0"
config ETRAX_ETHERNET_IFACE1
- depends on ETRAX_ETHERNET
+ depends on (ETRAX_ETHERNET && ETRAXFS)
bool "Enable network interface 1 (uses DMA6 and DMA7)"
+config ETRAX_ETHERNET_GBIT
+ depends on (ETRAX_ETHERNET && CRIS_MACH_ARTPEC3)
+ bool "Enable gigabit Ethernet support"
+
choice
- prompt "Network LED behavior"
- depends on ETRAX_ETHERNET
- default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
+ prompt "Eth0 led group"
+ depends on ETRAX_ETHERNET_IFACE0
+ default ETRAX_ETH0_USE_LEDGRP0
-config ETRAX_NETWORK_LED_ON_WHEN_LINK
- bool "LED_on_when_link"
+config ETRAX_ETH0_USE_LEDGRP0
+ bool "Use LED grp 0"
+ depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO
help
- Selecting LED_on_when_link will light the LED when there is a
- connection and will flash off when there is activity.
-
- Selecting LED_on_when_activity will light the LED only when
- there is activity.
+ Use LED grp 0 for eth0
- This setting will also affect the behaviour of other activity LEDs
- e.g. Bluetooth.
+config ETRAX_ETH0_USE_LEDGRP1
+ bool "Use LED grp 1"
+ depends on ETRAX_NBR_LED_GRP_TWO
+ help
+ Use LED grp 1 for eth0
-config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
- bool "LED_on_when_activity"
+config ETRAX_ETH0_USE_LEDGRPNULL
+ bool "Use no LEDs for eth0"
help
- Selecting LED_on_when_link will light the LED when there is a
- connection and will flash off when there is activity.
+ Use no LEDs for eth0
+endchoice
+
+choice
+ prompt "Eth1 led group"
+ depends on ETRAX_ETHERNET_IFACE1
+ default ETRAX_ETH1_USE_LEDGRP1
- Selecting LED_on_when_activity will light the LED only when
- there is activity.
+config ETRAX_ETH1_USE_LEDGRP0
+ bool "Use LED grp 0"
+ depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO
+ help
+ Use LED grp 0 for eth1
- This setting will also affect the behaviour of other activity LEDs
- e.g. Bluetooth.
+config ETRAX_ETH1_USE_LEDGRP1
+ bool "Use LED grp 1"
+ depends on ETRAX_NBR_LED_GRP_TWO
+ help
+ Use LED grp 1 for eth1
+config ETRAX_ETH1_USE_LEDGRPNULL
+ bool "Use no LEDs for eth1"
+ help
+ Use no LEDs for eth1
endchoice
config ETRAXFS_SERIAL
bool "Serial-port support"
depends on ETRAX_ARCH_V32
+ select SERIAL_CORE
+ select SERIAL_CORE_CONSOLE
help
Enables the ETRAX FS serial driver for ser0 (ttyS0)
You probably want this enabled.
+config ETRAX_RS485
+ bool "RS-485 support"
+ depends on ETRAXFS_SERIAL
+ help
+ Enables support for RS-485 serial communication.
+
+config ETRAX_RS485_DISABLE_RECEIVER
+ bool "Disable serial receiver"
+ depends on ETRAX_RS485
+ help
+ It is necessary to disable the serial receiver to avoid serial
+ loopback. Not all products are able to do this in software only.
+
config ETRAX_SERIAL_PORT0
bool "Serial port 0 enabled"
depends on ETRAXFS_SERIAL
ser0 can use dma4 or dma6 for output and dma5 or dma7 for input.
choice
- prompt "Ser0 DMA in channel "
+ prompt "Ser0 default port type "
depends on ETRAX_SERIAL_PORT0
- default ETRAX_SERIAL_PORT0_NO_DMA_IN
+ default ETRAX_SERIAL_PORT0_TYPE_232
help
- What DMA channel to use for ser0.
+ Type of serial port.
-
-config ETRAX_SERIAL_PORT0_NO_DMA_IN
- bool "Ser0 uses no DMA for input"
- help
- Do not use DMA for ser0 input.
-
-config ETRAX_SERIAL_PORT0_DMA7_IN
- bool "Ser0 uses DMA7 for input"
- depends on ETRAX_SERIAL_PORT0
+config ETRAX_SERIAL_PORT0_TYPE_232
+ bool "Ser0 is a RS-232 port"
help
- Enables the DMA7 input channel for ser0 (ttyS0).
- If you do not enable DMA, an interrupt for each character will be
- used when receiving data.
- Normally you want to use DMA, unless you use the DMA channel for
- something else.
-
-endchoice
-
-choice
- prompt "Ser0 DMA out channel"
- depends on ETRAX_SERIAL_PORT0
- default ETRAX_SERIAL_PORT0_NO_DMA_OUT
+ Configure serial port 0 to be a RS-232 port.
-config ETRAX_SERIAL_PORT0_NO_DMA_OUT
- bool "Ser0 uses no DMA for output"
+config ETRAX_SERIAL_PORT0_TYPE_485HD
+ bool "Ser0 is a half duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Do not use DMA for ser0 output.
+ Configure serial port 0 to be a half duplex (two wires) RS-485 port.
-config ETRAX_SERIAL_PORT0_DMA6_OUT
- bool "Ser0 uses DMA6 for output"
- depends on ETRAX_SERIAL_PORT0
+config ETRAX_SERIAL_PORT0_TYPE_485FD
+ bool "Ser0 is a full duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Enables the DMA6 output channel for ser0 (ttyS0).
- If you do not enable DMA, an interrupt for each character will be
- used when transmitting data.
- Normally you want to use DMA, unless you use the DMA channel for
- something else.
-
+ Configure serial port 0 to be a full duplex (four wires) RS-485 port.
endchoice
config ETRAX_SER0_DTR_BIT
Enables the ETRAX FS serial driver for ser1 (ttyS1).
choice
- prompt "Ser1 DMA in channel "
+ prompt "Ser1 default port type"
depends on ETRAX_SERIAL_PORT1
- default ETRAX_SERIAL_PORT1_NO_DMA_IN
+ default ETRAX_SERIAL_PORT1_TYPE_232
help
- What DMA channel to use for ser1.
-
+ Type of serial port.
-config ETRAX_SERIAL_PORT1_NO_DMA_IN
- bool "Ser1 uses no DMA for input"
+config ETRAX_SERIAL_PORT1_TYPE_232
+ bool "Ser1 is a RS-232 port"
help
- Do not use DMA for ser1 input.
+ Configure serial port 1 to be a RS-232 port.
-config ETRAX_SERIAL_PORT1_DMA5_IN
- bool "Ser1 uses DMA5 for input"
- depends on ETRAX_SERIAL_PORT1
- help
- Enables the DMA5 input channel for ser1 (ttyS1).
- If you do not enable DMA, an interrupt for each character will be
- used when receiving data.
- Normally you want this on, unless you use the DMA channel for
- something else.
-
-endchoice
-
-choice
- prompt "Ser1 DMA out channel "
- depends on ETRAX_SERIAL_PORT1
- default ETRAX_SERIAL_PORT1_NO_DMA_OUT
- help
- What DMA channel to use for ser1.
-
-config ETRAX_SERIAL_PORT1_NO_DMA_OUT
- bool "Ser1 uses no DMA for output"
+config ETRAX_SERIAL_PORT1_TYPE_485HD
+ bool "Ser1 is a half duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Do not use DMA for ser1 output.
+ Configure serial port 1 to be a half duplex (two wires) RS-485 port.
-config ETRAX_SERIAL_PORT1_DMA4_OUT
- bool "Ser1 uses DMA4 for output"
- depends on ETRAX_SERIAL_PORT1
+config ETRAX_SERIAL_PORT1_TYPE_485FD
+ bool "Ser1 is a full duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Enables the DMA4 output channel for ser1 (ttyS1).
- If you do not enable DMA, an interrupt for each character will be
- used when transmitting data.
- Normally you want this on, unless you use the DMA channel for
- something else.
-
+ Configure serial port 1 to be a full duplex (four wires) RS-485 port.
endchoice
config ETRAX_SER1_DTR_BIT
Enables the ETRAX FS serial driver for ser2 (ttyS2).
choice
- prompt "Ser2 DMA in channel "
+ prompt "Ser2 default port type"
depends on ETRAX_SERIAL_PORT2
- default ETRAX_SERIAL_PORT2_NO_DMA_IN
- help
- What DMA channel to use for ser2.
-
-
-config ETRAX_SERIAL_PORT2_NO_DMA_IN
- bool "Ser2 uses no DMA for input"
+ default ETRAX_SERIAL_PORT2_TYPE_232
help
- Do not use DMA for ser2 input.
+ What DMA channel to use for ser2
-config ETRAX_SERIAL_PORT2_DMA3_IN
- bool "Ser2 uses DMA3 for input"
- depends on ETRAX_SERIAL_PORT2
+config ETRAX_SERIAL_PORT2_TYPE_232
+ bool "Ser2 is a RS-232 port"
help
- Enables the DMA3 input channel for ser2 (ttyS2).
- If you do not enable DMA, an interrupt for each character will be
- used when receiving data.
- Normally you want to use DMA, unless you use the DMA channel for
- something else.
-
-endchoice
+ Configure serial port 2 to be a RS-232 port.
-choice
- prompt "Ser2 DMA out channel"
- depends on ETRAX_SERIAL_PORT2
- default ETRAX_SERIAL_PORT2_NO_DMA_OUT
-
-config ETRAX_SERIAL_PORT2_NO_DMA_OUT
- bool "Ser2 uses no DMA for output"
+config ETRAX_SERIAL_PORT2_TYPE_485HD
+ bool "Ser2 is a half duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Do not use DMA for ser2 output.
+ Configure serial port 2 to be a half duplex (two wires) RS-485 port.
-config ETRAX_SERIAL_PORT2_DMA2_OUT
- bool "Ser2 uses DMA2 for output"
- depends on ETRAX_SERIAL_PORT2
+config ETRAX_SERIAL_PORT2_TYPE_485FD
+ bool "Ser2 is a full duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Enables the DMA2 output channel for ser2 (ttyS2).
- If you do not enable DMA, an interrupt for each character will be
- used when transmitting data.
- Normally you want to use DMA, unless you use the DMA channel for
- something else.
-
+ Configure serial port 2 to be a full duplex (four wires) RS-485 port.
endchoice
+
config ETRAX_SER2_DTR_BIT
string "Ser 2 DTR bit (empty = not used)"
depends on ETRAX_SERIAL_PORT2
Enables the ETRAX FS serial driver for ser3 (ttyS3).
choice
- prompt "Ser3 DMA in channel "
+ prompt "Ser3 default port type"
depends on ETRAX_SERIAL_PORT3
- default ETRAX_SERIAL_PORT3_NO_DMA_IN
+ default ETRAX_SERIAL_PORT3_TYPE_232
help
What DMA channel to use for ser3.
+config ETRAX_SERIAL_PORT3_TYPE_232
+ bool "Ser3 is a RS-232 port"
+ help
+ Configure serial port 3 to be a RS-232 port.
-config ETRAX_SERIAL_PORT3_NO_DMA_IN
- bool "Ser3 uses no DMA for input"
+config ETRAX_SERIAL_PORT3_TYPE_485HD
+ bool "Ser3 is a half duplex RS-485 port"
+ depends on ETRAX_RS485
+ help
+ Configure serial port 3 to be a half duplex (two wires) RS-485 port.
+
+config ETRAX_SERIAL_PORT3_TYPE_485FD
+ bool "Ser3 is a full duplex RS-485 port"
+ depends on ETRAX_RS485
help
- Do not use DMA for ser3 input.
+ Configure serial port 3 to be a full duplex (four wires) RS-485 port.
+endchoice
-config ETRAX_SERIAL_PORT3_DMA9_IN
- bool "Ser3 uses DMA9 for input"
+config ETRAX_SER3_DTR_BIT
+ string "Ser 3 DTR bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT3
+
+config ETRAX_SER3_RI_BIT
+ string "Ser 3 RI bit (empty = not used)"
depends on ETRAX_SERIAL_PORT3
+
+config ETRAX_SER3_DSR_BIT
+ string "Ser 3 DSR bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT3
+
+config ETRAX_SER3_CD_BIT
+ string "Ser 3 CD bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT3
+
+config ETRAX_SERIAL_PORT4
+ bool "Serial port 4 enabled"
+ depends on ETRAXFS_SERIAL && CRIS_MACH_ARTPEC3
help
- Enables the DMA9 input channel for ser3 (ttyS3).
- If you do not enable DMA, an interrupt for each character will be
- used when receiving data.
- Normally you want to use DMA, unless you use the DMA channel for
- something else.
+ Enables the ETRAX FS serial driver for ser4 (ttyS4).
+choice
+ prompt "Ser4 default port type"
+ depends on ETRAX_SERIAL_PORT4
+ default ETRAX_SERIAL_PORT4_TYPE_232
+ help
+ What DMA channel to use for ser4.
+
+config ETRAX_SERIAL_PORT4_TYPE_232
+ bool "Ser4 is a RS-232 port"
+ help
+ Configure serial port 4 to be a RS-232 port.
+
+config ETRAX_SERIAL_PORT4_TYPE_485HD
+ bool "Ser4 is a half duplex RS-485 port"
+ depends on ETRAX_RS485
+ help
+ Configure serial port 4 to be a half duplex (two wires) RS-485 port.
+
+config ETRAX_SERIAL_PORT4_TYPE_485FD
+ bool "Ser4 is a full duplex RS-485 port"
+ depends on ETRAX_RS485
+ help
+ Configure serial port 4 to be a full duplex (four wires) RS-485 port.
endchoice
choice
- prompt "Ser3 DMA out channel"
- depends on ETRAX_SERIAL_PORT3
- default ETRAX_SERIAL_PORT3_NO_DMA_OUT
+ prompt "Ser4 DMA in channel "
+ depends on ETRAX_SERIAL_PORT4
+ default ETRAX_SERIAL_PORT4_NO_DMA_IN
+ help
+ What DMA channel to use for ser4.
+
-config ETRAX_SERIAL_PORT3_NO_DMA_OUT
- bool "Ser3 uses no DMA for output"
+config ETRAX_SERIAL_PORT4_NO_DMA_IN
+ bool "Ser4 uses no DMA for input"
help
- Do not use DMA for ser3 output.
+ Do not use DMA for ser4 input.
-config ETRAX_SERIAL_PORT3_DMA8_OUT
- bool "Ser3 uses DMA8 for output"
- depends on ETRAX_SERIAL_PORT3
+config ETRAX_SERIAL_PORT4_DMA9_IN
+ bool "Ser4 uses DMA9 for input"
+ depends on ETRAX_SERIAL_PORT4
help
- Enables the DMA8 output channel for ser3 (ttyS3).
+ Enables the DMA9 input channel for ser4 (ttyS4).
If you do not enable DMA, an interrupt for each character will be
- used when transmitting data.
+ used when receiveing data.
Normally you want to use DMA, unless you use the DMA channel for
something else.
endchoice
-config ETRAX_SER3_DTR_BIT
- string "Ser 3 DTR bit (empty = not used)"
- depends on ETRAX_SERIAL_PORT3
+config ETRAX_SER4_DTR_BIT
+ string "Ser 4 DTR bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT4
-config ETRAX_SER3_RI_BIT
- string "Ser 3 RI bit (empty = not used)"
- depends on ETRAX_SERIAL_PORT3
+config ETRAX_SER4_RI_BIT
+ string "Ser 4 RI bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT4
-config ETRAX_SER3_DSR_BIT
- string "Ser 3 DSR bit (empty = not used)"
- depends on ETRAX_SERIAL_PORT3
+config ETRAX_SER4_DSR_BIT
+ string "Ser 4 DSR bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT4
config ETRAX_SER3_CD_BIT
- string "Ser 3 CD bit (empty = not used)"
- depends on ETRAX_SERIAL_PORT3
+ string "Ser 4 CD bit (empty = not used)"
+ depends on ETRAX_SERIAL_PORT4
config ETRAX_RS485
bool "RS-485 support"
- depends on ETRAX_SERIAL
+ depends on ETRAXFS_SERIAL
help
Enables support for RS-485 serial communication. For a primer on
RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>.
help
It is 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_AXISFLASHMAP
bool "Axis flash-map support"
select MTD
select MTD_CFI
select MTD_CFI_AMDSTD
+ select MTD_JEDECPROBE
select MTD_CHAR
select MTD_BLOCK
select MTD_PARTITIONS
config ETRAX_SYNCHRONOUS_SERIAL_PORT1
bool "Synchronous serial port 1 enabled"
- depends on ETRAX_SYNCHRONOUS_SERIAL
+ depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS
help
Enabled synchronous serial port 1.
A synchronous serial port can run in manual or DMA mode.
Selecting this option will make it run in DMA mode.
+config ETRAX_AXISFLASHMAP
+ bool "Axis flash-map support"
+ depends on ETRAX_ARCH_V32
+ select MTD
+ select MTD_CFI
+ select MTD_CFI_AMDSTD
+ select MTD_JEDECPROBE
+ select MTD_CHAR
+ select MTD_BLOCK
+ select MTD_PARTITIONS
+ select MTD_CONCAT
+ select MTD_COMPLEX_MAPPINGS
+ help
+ This option enables MTD mapping of flash devices. Needed to use
+ flash memories. If unsure, say Y.
+
+config ETRAX_AXISFLASHMAP_MTD0WHOLE
+ bool "MTD0 is whole boot flash device"
+ depends on ETRAX_AXISFLASHMAP
+ default N
+ help
+ When this option is not set, mtd0 refers to the first partition
+ on the boot flash device. When set, mtd0 refers to the whole
+ device, with mtd1 referring to the first partition etc.
+
config ETRAX_PTABLE_SECTOR
int "Byte-offset of partition table sector"
depends on ETRAX_AXISFLASHMAP
This option enables MTD mapping of NAND flash devices. Needed to use
NAND flash memories. If unsure, say Y.
+config ETRAX_NANDBOOT
+ bool "Boot from NAND flash"
+ depends on ETRAX_NANDFLASH
+ help
+ This options enables booting from NAND flash devices.
+ Say Y if your boot code, kernel and root file system is in
+ NAND flash. Say N if they are in NOR flash.
+
config ETRAX_I2C
bool "I2C driver"
depends on ETRAX_ARCH_V32
help
- This option enabled the I2C driver used by e.g. the RTC driver.
+ This option enables the I2C driver used by e.g. the RTC driver.
-config ETRAX_I2C_DATA_PORT
+config ETRAX_V32_I2C_DATA_PORT
string "I2C data pin"
depends on ETRAX_I2C
help
The pin to use for I2C data.
-config ETRAX_I2C_CLK_PORT
+config ETRAX_V32_I2C_CLK_PORT
string "I2C clock pin"
depends on ETRAX_I2C
help
config ETRAX_RTC
bool "Real Time Clock support"
- depends on ETRAX_ARCH_V32
+ depends on ETRAX_ARCH_V32 && ETRAX_I2C
help
Enabled RTC support.
-choice
- prompt "RTC chip"
- depends on ETRAX_RTC
- default ETRAX_PCF8563
-
-config ETRAX_PCF8563
- bool "PCF8563"
- help
- Philips PCF8563 RTC
-
-endchoice
-
config ETRAX_GPIO
bool "GPIO support"
depends on ETRAX_ARCH_V32
Remember that you need to setup the port directions appropriately in
the General configuration.
-config ETRAX_PA_BUTTON_BITMASK
- hex "PA-buttons bitmask"
+config ETRAX_VIRTUAL_GPIO
+ bool "Virtual GPIO support"
depends on ETRAX_GPIO
- default "0x02"
help
- This is a bitmask (8 bits) with information about what bits on PA
- that are used for buttons.
- Most products has a so called TEST button on PA1, if that is true
- use 0x02 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.
+ Enables the virtual Etrax general port device (major 120, minor 6).
+ It uses an I/O expander for the I2C-bus.
+
+config ETRAX_VIRTUAL_GPIO_INTERRUPT_PA_PIN
+ int "Virtual GPIO interrupt pin on PA pin"
+ range 0 7
+ depends on ETRAX_VIRTUAL_GPIO
+ help
+ The pin to use on PA for virtual gpio interrupt.
config ETRAX_PA_CHANGEABLE_DIR
hex "PA user changeable dir mask"
depends on ETRAX_GPIO
- default "0x00"
+ default "0x00" if ETRAXFS
+ default "0x00000000" if !ETRAXFS
help
This is a bitmask (8 bits) with information of what bits in PA that a
user can change direction on using ioctl's.
Bit set = changeable.
- You probably want 0x00 here, but it depends on your hardware.
+ You probably want 0 here, but it depends on your hardware.
config ETRAX_PA_CHANGEABLE_BITS
hex "PA user changeable bits mask"
depends on ETRAX_GPIO
- default "0x00"
+ default "0x00" if ETRAXFS
+ default "0x00000000" if !ETRAXFS
help
This is a bitmask (8 bits) with information of what bits in PA
that a user can change the value on using ioctl's.
config ETRAX_PB_CHANGEABLE_DIR
hex "PB user changeable dir mask"
depends on ETRAX_GPIO
- default "0x00000"
+ default "0x00000" if ETRAXFS
+ default "0x00000000" if !ETRAXFS
help
This is a bitmask (18 bits) with information of what bits in PB
that a user can change direction on using ioctl's.
Bit set = changeable.
- You probably want 0x00000 here, but it depends on your hardware.
+ You probably want 0 here, but it depends on your hardware.
config ETRAX_PB_CHANGEABLE_BITS
hex "PB user changeable bits mask"
depends on ETRAX_GPIO
- default "0x00000"
+ default "0x00000" if ETRAXFS
+ default "0x00000000" if !ETRAXFS
help
This is a bitmask (18 bits) with information of what bits in PB
that a user can change the value on using ioctl's.
config ETRAX_PC_CHANGEABLE_DIR
hex "PC user changeable dir mask"
depends on ETRAX_GPIO
- default "0x00000"
+ default "0x00000" if ETRAXFS
+ default "0x00000000" if !ETRAXFS
help
This is a bitmask (18 bits) with information of what bits in PC
that a user can change direction on using ioctl's.
Bit set = changeable.
- You probably want 0x00000 here, but it depends on your hardware.
+ You probably want 0 here, but it depends on your hardware.
config ETRAX_PC_CHANGEABLE_BITS
hex "PC user changeable bits mask"
depends on ETRAX_GPIO
- default "0x00000"
+ default "0x00000" if ETRAXFS
+ default "0x00000000" if ETRAXFS
help
This is a bitmask (18 bits) with information of what bits in PC
that a user can change the value on using ioctl's.
config ETRAX_PD_CHANGEABLE_DIR
hex "PD user changeable dir mask"
- depends on ETRAX_GPIO
+ depends on ETRAX_GPIO && ETRAXFS
default "0x00000"
help
This is a bitmask (18 bits) with information of what bits in PD
config ETRAX_PD_CHANGEABLE_BITS
hex "PD user changeable bits mask"
- depends on ETRAX_GPIO
+ depends on ETRAX_GPIO && ETRAXFS
default "0x00000"
help
This is a bitmask (18 bits) with information of what bits in PD
config ETRAX_PE_CHANGEABLE_DIR
hex "PE user changeable dir mask"
- depends on ETRAX_GPIO
+ depends on ETRAX_GPIO && ETRAXFS
default "0x00000"
help
This is a bitmask (18 bits) with information of what bits in PE
config ETRAX_PE_CHANGEABLE_BITS
hex "PE user changeable bits mask"
- depends on ETRAX_GPIO
+ depends on ETRAX_GPIO && ETRAXFS
default "0x00000"
help
This is a bitmask (18 bits) with information of what bits in PE
that a user can change the value on using ioctl's.
Bit set = changeable.
+config ETRAX_PV_CHANGEABLE_DIR
+ hex "PV user changeable dir mask"
+ depends on ETRAX_VIRTUAL_GPIO
+ default "0x0000"
+ help
+ This is a bitmask (16 bits) with information of what bits in PV
+ that a user can change direction on using ioctl's.
+ Bit set = changeable.
+ You probably want 0x0000 here, but it depends on your hardware.
+
+config ETRAX_PV_CHANGEABLE_BITS
+ hex "PV user changeable bits mask"
+ depends on ETRAX_VIRTUAL_GPIO
+ default "0x0000"
+ help
+ This is a bitmask (16 bits) with information of what bits in PV
+ that a user can change the value on using ioctl's.
+ Bit set = changeable.
+
config ETRAX_CARDBUS
bool "Cardbus support"
depends on ETRAX_ARCH_V32
- select PCCARD
- select CARDBUS
select HOTPLUG
- select PCCARD_NONSTATIC
help
Enabled the ETRAX Cardbus driver.
This option enables a driver for the stream co-processor
for cryptographic operations.
+source drivers/mmc/Kconfig
+
+config ETRAX_MMC_IOP
+ tristate "MMC/SD host driver using IO-processor"
+ depends on ETRAX_ARCH_V32 && MMC
+ help
+ This option enables the SD/MMC host controller interface.
+ The host controller is implemented using the built in
+ IO-Processor. Only the SPU is used in this implementation.
+
+config ETRAX_SPI_MMC
+# Make this one of several "choices" (possible simultaneously but
+# suggested uniquely) when an IOP driver emerges for "real" MMC/SD
+# protocol support.
+ tristate
+ depends on !ETRAX_MMC_IOP
+ default MMC
+ select SPI
+ select MMC_SPI
+ select ETRAX_SPI_MMC_BOARD
+
+# For the parts that can't be a module (due to restrictions in
+# framework elsewhere).
+config ETRAX_SPI_MMC_BOARD
+ boolean
+ default n
+
+# While the board info is MMC_SPI only, the drivers are written to be
+# independent of MMC_SPI, so we'll keep SPI non-dependent on the
+# MMC_SPI config choices (well, except for a single depends-on-line
+# for the board-info file until a separate non-MMC SPI board file
+# emerges).
+# FIXME: When that happens, we'll need to be able to ask for and
+# configure non-MMC SPI ports together with MMC_SPI ports (if multiple
+# SPI ports are enabled).
+
+config SPI_ETRAX_SSER
+ tristate
+ depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL
+ select SPI_BITBANG
+ help
+ This enables using an synchronous serial (sser) port as a
+ SPI master controller on Axis ETRAX FS and later. The
+ driver can be configured to use any sser port.
+
+config SPI_ETRAX_GPIO
+ tristate
+ depends on SPI_MASTER && ETRAX_ARCH_V32 && EXPERIMENTAL
+ select SPI_BITBANG
+ help
+ This enables using GPIO pins port as a SPI master controller
+ on Axis ETRAX FS and later. The driver can be configured to
+ use any GPIO pins.
+
+config ETRAX_SPI_SSER0
+ tristate "SPI using synchronous serial port 0 (sser0)"
+ depends on ETRAX_SPI_MMC
+ default m if MMC_SPI=m
+ default y if MMC_SPI=y
+ default y if MMC_SPI=n
+ select SPI_ETRAX_SSER
+ help
+ Say Y for an MMC/SD socket connected to synchronous serial port 0,
+ or for devices using the SPI protocol on that port. Say m if you
+ want to build it as a module, which will be named spi_crisv32_sser.
+ (You need to select MMC separately.)
+
+config ETRAX_SPI_SSER0_DMA
+ bool "DMA for SPI on sser0 enabled"
+ depends on ETRAX_SPI_SSER0
+ depends on !ETRAX_SERIAL_PORT1_DMA4_OUT && !ETRAX_SERIAL_PORT1_DMA5_IN
+ default y
+ help
+ Say Y if using DMA (dma4/dma5) for SPI on synchronous serial port 0.
+
+config ETRAX_SPI_MMC_CD_SSER0_PIN
+ string "MMC/SD card detect pin for SPI on sser0"
+ depends on ETRAX_SPI_SSER0 && MMC_SPI
+ default "pd11"
+ help
+ The pin to use for SD/MMC card detect. This pin should be pulled up
+ and grounded when a card is present. If defined as " " (space), no
+ pin is selected. A card must then always be inserted for proper
+ action.
+
+config ETRAX_SPI_MMC_WP_SSER0_PIN
+ string "MMC/SD card write-protect pin for SPI on sser0"
+ depends on ETRAX_SPI_SSER0 && MMC_SPI
+ default "pd10"
+ help
+ The pin to use for the SD/MMC write-protect signal for a memory
+ card. If defined as " " (space), the card is considered writable.
+
+config ETRAX_SPI_SSER1
+ tristate "SPI using synchronous serial port 1 (sser1)"
+ depends on ETRAX_SPI_MMC
+ default m if MMC_SPI=m && ETRAX_SPI_SSER0=n
+ default y if MMC_SPI=y && ETRAX_SPI_SSER0=n
+ default y if MMC_SPI=n && ETRAX_SPI_SSER0=n
+ select SPI_ETRAX_SSER
+ help
+ Say Y for an MMC/SD socket connected to synchronous serial port 1,
+ or for devices using the SPI protocol on that port. Say m if you
+ want to build it as a module, which will be named spi_crisv32_sser.
+ (You need to select MMC separately.)
+
+config ETRAX_SPI_SSER1_DMA
+ bool "DMA for SPI on sser1 enabled"
+ depends on ETRAX_SPI_SSER1 && !ETRAX_ETHERNET_IFACE1
+ depends on !ETRAX_SERIAL_PORT0_DMA6_OUT && !ETRAX_SERIAL_PORT0_DMA7_IN
+ default y
+ help
+ Say Y if using DMA (dma6/dma7) for SPI on synchronous serial port 1.
+
+config ETRAX_SPI_MMC_CD_SSER1_PIN
+ string "MMC/SD card detect pin for SPI on sser1"
+ depends on ETRAX_SPI_SSER1 && MMC_SPI
+ default "pd12"
+ help
+ The pin to use for SD/MMC card detect. This pin should be pulled up
+ and grounded when a card is present. If defined as " " (space), no
+ pin is selected. A card must then always be inserted for proper
+ action.
+
+config ETRAX_SPI_MMC_WP_SSER1_PIN
+ string "MMC/SD card write-protect pin for SPI on sser1"
+ depends on ETRAX_SPI_SSER1 && MMC_SPI
+ default "pd9"
+ help
+ The pin to use for the SD/MMC write-protect signal for a memory
+ card. If defined as " " (space), the card is considered writable.
+
+config ETRAX_SPI_GPIO
+ tristate "Bitbanged SPI using gpio pins"
+ depends on ETRAX_SPI_MMC
+ select SPI_ETRAX_GPIO
+ default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
+ default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
+ default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
+ help
+ Say Y for an MMC/SD socket connected to general I/O pins (but not
+ a complete synchronous serial ports), or for devices using the SPI
+ protocol on general I/O pins. Slow and slows down the system.
+ Say m to build it as a module, which will be called spi_crisv32_gpio.
+ (You need to select MMC separately.)
+
+# The default match that of sser0, only because that's how it was tested.
+config ETRAX_SPI_CS_PIN
+ string "SPI chip select pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc3"
+ help
+ The pin to use for SPI chip select.
+
+config ETRAX_SPI_CLK_PIN
+ string "SPI clock pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc1"
+ help
+ The pin to use for the SPI clock.
+
+config ETRAX_SPI_DATAIN_PIN
+ string "SPI MISO (data in) pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc16"
+ help
+ The pin to use for SPI data in from the device.
+
+config ETRAX_SPI_DATAOUT_PIN
+ string "SPI MOSI (data out) pin"
+ depends on ETRAX_SPI_GPIO
+ default "pc0"
+ help
+ The pin to use for SPI data out to the device.
+
+config ETRAX_SPI_MMC_CD_GPIO_PIN
+ string "MMC/SD card detect pin for SPI using gpio (space for none)"
+ depends on ETRAX_SPI_GPIO && MMC_SPI
+ default "pd11"
+ help
+ The pin to use for SD/MMC card detect. This pin should be pulled up
+ and grounded when a card is present. If defined as " " (space), no
+ pin is selected. A card must then always be inserted for proper
+ action.
+
+config ETRAX_SPI_MMC_WP_GPIO_PIN
+ string "MMC/SD card write-protect pin for SPI using gpio (space for none)"
+ depends on ETRAX_SPI_GPIO && MMC_SPI
+ default "pd10"
+ help
+ The pin to use for the SD/MMC write-protect signal for a memory
+ card. If defined as " " (space), the card is considered writable.
+
+# Avoid choices causing non-working configs by conditionalizing the inclusion.
+if ETRAX_SPI_MMC
+source drivers/spi/Kconfig
+endif
+
endif
projects / linux-2.6 / commitdiff