summaryrefslogtreecommitdiffstats
path: root/kernel/arch/cris/arch-v32/drivers/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/cris/arch-v32/drivers/Kconfig')
-rw-r--r--kernel/arch/cris/arch-v32/drivers/Kconfig430
1 files changed, 430 insertions, 0 deletions
diff --git a/kernel/arch/cris/arch-v32/drivers/Kconfig b/kernel/arch/cris/arch-v32/drivers/Kconfig
new file mode 100644
index 000000000..4fc16b44f
--- /dev/null
+++ b/kernel/arch/cris/arch-v32/drivers/Kconfig
@@ -0,0 +1,430 @@
+if ETRAX_ARCH_V32
+
+config ETRAX_ETHERNET
+ bool "Ethernet support"
+ depends on ETRAX_ARCH_V32 && NETDEVICES
+ select MII
+ help
+ This option enables the ETRAX FS built-in 10/100Mbit Ethernet
+ controller.
+
+config ETRAX_NO_PHY
+ bool "PHY not present"
+ depends on ETRAX_ETHERNET
+ help
+ 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 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
+ help
+ Enables the ETRAX FS serial driver for ser0 (ttyS0)
+ Normally you want this on. You can control what DMA channels to use
+ if you do not need DMA to something else.
+ ser0 can use dma4 or dma6 for output and dma5 or dma7 for input.
+
+config ETRAX_SERIAL_PORT1
+ bool "Serial port 1 enabled"
+ depends on ETRAXFS_SERIAL
+ help
+ Enables the ETRAX FS serial driver for ser1 (ttyS1).
+
+config ETRAX_SERIAL_PORT2
+ bool "Serial port 2 enabled"
+ depends on ETRAXFS_SERIAL
+ help
+ Enables the ETRAX FS serial driver for ser2 (ttyS2).
+
+config ETRAX_SERIAL_PORT3
+ bool "Serial port 3 enabled"
+ depends on ETRAXFS_SERIAL
+ help
+ Enables the ETRAX FS serial driver for ser3 (ttyS3).
+
+config ETRAX_SYNCHRONOUS_SERIAL
+ bool "Synchronous serial-port support"
+ depends on ETRAX_ARCH_V32
+ help
+ Enables the ETRAX FS synchronous serial driver.
+
+config ETRAX_SYNCHRONOUS_SERIAL_PORT0
+ bool "Synchronous serial port 0 enabled"
+ depends on ETRAX_SYNCHRONOUS_SERIAL
+ help
+ Enabled synchronous serial port 0.
+
+config ETRAX_SYNCHRONOUS_SERIAL0_DMA
+ bool "Enable DMA on synchronous serial port 0."
+ depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
+ help
+ A synchronous serial port can run in manual or DMA mode.
+ Selecting this option will make it run in DMA mode.
+
+config ETRAX_SYNCHRONOUS_SERIAL_PORT1
+ bool "Synchronous serial port 1 enabled"
+ depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS
+ help
+ Enabled synchronous serial port 1.
+
+config ETRAX_SYNCHRONOUS_SERIAL1_DMA
+ bool "Enable DMA on synchronous serial port 1."
+ depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
+ help
+ 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_BLOCK
+ select MTD_COMPLEX_MAPPINGS
+ select MTD_MTDRAM
+ 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
+ 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
+ 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_NANDFLASH
+ bool "NAND flash support"
+ depends on ETRAX_ARCH_V32
+ select MTD_NAND
+ select MTD_NAND_IDS
+ help
+ 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 enables the I2C driver used by e.g. the RTC driver.
+
+config ETRAX_V32_I2C_DATA_PORT
+ string "I2C data pin"
+ depends on ETRAX_I2C
+ help
+ The pin to use for I2C data.
+
+config ETRAX_V32_I2C_CLK_PORT
+ string "I2C clock pin"
+ depends on ETRAX_I2C
+ help
+ The pin to use for I2C clock.
+
+config ETRAX_GPIO
+ bool "GPIO support"
+ depends on ETRAX_ARCH_V32
+ ---help---
+ Enables the ETRAX general port device (major 120, minors 0-4).
+ 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);
+ err = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READ_INBITS), &val);
+ Remember that you need to setup the port directions appropriately in
+ the General configuration.
+
+config ETRAX_VIRTUAL_GPIO
+ bool "Virtual GPIO support"
+ depends on ETRAX_GPIO
+ help
+ 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" 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 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" 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.
+ Bit set = changeable.
+
+config ETRAX_PB_CHANGEABLE_DIR
+ hex "PB user changeable dir mask"
+ depends on ETRAX_GPIO
+ 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 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" 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.
+ Bit set = changeable.
+
+config ETRAX_PC_CHANGEABLE_DIR
+ hex "PC user changeable dir mask"
+ depends on ETRAX_GPIO
+ 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 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" 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.
+ Bit set = changeable.
+
+config ETRAX_PD_CHANGEABLE_DIR
+ hex "PD user changeable dir mask"
+ depends on ETRAX_GPIO && ETRAXFS
+ default "0x00000"
+ help
+ This is a bitmask (18 bits) with information of what bits in PD
+ that a user can change direction on using ioctl's.
+ Bit set = changeable.
+ You probably want 0x00000 here, but it depends on your hardware.
+
+config ETRAX_PD_CHANGEABLE_BITS
+ hex "PD user changeable bits mask"
+ depends on ETRAX_GPIO && ETRAXFS
+ default "0x00000"
+ help
+ This is a bitmask (18 bits) with information of what bits in PD
+ that a user can change the value on using ioctl's.
+ Bit set = changeable.
+
+config ETRAX_PE_CHANGEABLE_DIR
+ hex "PE user changeable dir mask"
+ 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 direction on using ioctl's.
+ Bit set = changeable.
+ You probably want 0x00000 here, but it depends on your hardware.
+
+config ETRAX_PE_CHANGEABLE_BITS
+ hex "PE user changeable bits mask"
+ 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
+ help
+ Enabled the ETRAX Cardbus driver.
+
+config PCI
+ bool
+ depends on ETRAX_CARDBUS
+ default y
+ select HAVE_GENERIC_DMA_COHERENT
+
+config ETRAX_IOP_FW_LOAD
+ tristate "IO-processor hotplug firmware loading support"
+ depends on ETRAX_ARCH_V32
+ select FW_LOADER
+ help
+ Enables IO-processor hotplug firmware loading support.
+
+config ETRAX_STREAMCOPROC
+ tristate "Stream co-processor driver enabled"
+ depends on ETRAX_ARCH_V32
+ help
+ This option enables a driver for the stream co-processor
+ for cryptographic operations.
+
+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
+
+# 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
+ 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
+ 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_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_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.)
+
+endif