437 lines
14 KiB
Plaintext
437 lines
14 KiB
Plaintext
if ETRAX_ARCH_V32
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config ETRAX_ETHERNET
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bool "Ethernet support"
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depends on ETRAX_ARCH_V32 && NETDEVICES
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select MII
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help
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This option enables the ETRAX FS built-in 10/100Mbit Ethernet
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controller.
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config ETRAX_NO_PHY
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bool "PHY not present"
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depends on ETRAX_ETHERNET
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help
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This option disables all MDIO communication with an ethernet
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transceiver connected to the MII interface. This option shall
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typically be enabled if the MII interface is connected to a
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switch. This option should normally be disabled. If enabled,
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speed and duplex will be locked to 100 Mbit and full duplex.
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config ETRAXFS_SERIAL
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bool "Serial-port support"
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depends on ETRAX_ARCH_V32
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select SERIAL_CORE
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select SERIAL_CORE_CONSOLE
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help
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Enables the ETRAX FS serial driver for ser0 (ttyS0)
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You probably want this enabled.
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config ETRAX_RS485
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bool "RS-485 support"
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depends on ETRAXFS_SERIAL
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help
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Enables support for RS-485 serial communication.
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config ETRAX_RS485_DISABLE_RECEIVER
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bool "Disable serial receiver"
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depends on ETRAX_RS485
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help
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It is necessary to disable the serial receiver to avoid serial
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loopback. Not all products are able to do this in software only.
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config ETRAX_SERIAL_PORT0
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bool "Serial port 0 enabled"
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depends on ETRAXFS_SERIAL
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help
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Enables the ETRAX FS serial driver for ser0 (ttyS0)
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Normally you want this on. You can control what DMA channels to use
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if you do not need DMA to something else.
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ser0 can use dma4 or dma6 for output and dma5 or dma7 for input.
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config ETRAX_SERIAL_PORT1
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bool "Serial port 1 enabled"
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depends on ETRAXFS_SERIAL
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help
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Enables the ETRAX FS serial driver for ser1 (ttyS1).
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config ETRAX_SERIAL_PORT2
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bool "Serial port 2 enabled"
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depends on ETRAXFS_SERIAL
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help
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Enables the ETRAX FS serial driver for ser2 (ttyS2).
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config ETRAX_SERIAL_PORT3
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bool "Serial port 3 enabled"
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depends on ETRAXFS_SERIAL
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help
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Enables the ETRAX FS serial driver for ser3 (ttyS3).
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config ETRAX_SYNCHRONOUS_SERIAL
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bool "Synchronous serial-port support"
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depends on ETRAX_ARCH_V32
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help
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Enables the ETRAX FS synchronous serial driver.
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config ETRAX_SYNCHRONOUS_SERIAL_PORT0
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bool "Synchronous serial port 0 enabled"
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depends on ETRAX_SYNCHRONOUS_SERIAL
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help
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Enabled synchronous serial port 0.
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config ETRAX_SYNCHRONOUS_SERIAL0_DMA
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bool "Enable DMA on synchronous serial port 0."
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depends on ETRAX_SYNCHRONOUS_SERIAL_PORT0
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help
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A synchronous serial port can run in manual or DMA mode.
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Selecting this option will make it run in DMA mode.
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config ETRAX_SYNCHRONOUS_SERIAL_PORT1
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bool "Synchronous serial port 1 enabled"
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depends on ETRAX_SYNCHRONOUS_SERIAL && ETRAXFS
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help
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Enabled synchronous serial port 1.
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config ETRAX_SYNCHRONOUS_SERIAL1_DMA
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bool "Enable DMA on synchronous serial port 1."
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depends on ETRAX_SYNCHRONOUS_SERIAL_PORT1
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help
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A synchronous serial port can run in manual or DMA mode.
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Selecting this option will make it run in DMA mode.
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config ETRAX_AXISFLASHMAP
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bool "Axis flash-map support"
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depends on ETRAX_ARCH_V32
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select MTD
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select MTD_CFI
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select MTD_CFI_AMDSTD
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select MTD_JEDECPROBE
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select MTD_BLOCK
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select MTD_COMPLEX_MAPPINGS
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help
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This option enables MTD mapping of flash devices. Needed to use
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flash memories. If unsure, say Y.
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config ETRAX_AXISFLASHMAP_MTD0WHOLE
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bool "MTD0 is whole boot flash device"
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depends on ETRAX_AXISFLASHMAP
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help
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When this option is not set, mtd0 refers to the first partition
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on the boot flash device. When set, mtd0 refers to the whole
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device, with mtd1 referring to the first partition etc.
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config ETRAX_PTABLE_SECTOR
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int "Byte-offset of partition table sector"
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depends on ETRAX_AXISFLASHMAP
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default "65536"
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help
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Byte-offset of the partition table in the first flash chip.
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The default value is 64kB and should not be changed unless
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you know exactly what you are doing. The only valid reason
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for changing this is when the flash block size is bigger
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than 64kB (e.g. when using two parallel 16 bit flashes).
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config ETRAX_NANDFLASH
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bool "NAND flash support"
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depends on ETRAX_ARCH_V32
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select MTD_NAND
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select MTD_NAND_IDS
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help
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This option enables MTD mapping of NAND flash devices. Needed to use
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NAND flash memories. If unsure, say Y.
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config ETRAX_NANDBOOT
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bool "Boot from NAND flash"
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depends on ETRAX_NANDFLASH
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help
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This options enables booting from NAND flash devices.
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Say Y if your boot code, kernel and root file system is in
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NAND flash. Say N if they are in NOR flash.
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config ETRAX_I2C
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bool "I2C driver"
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depends on ETRAX_ARCH_V32
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help
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This option enables the I2C driver used by e.g. the RTC driver.
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config ETRAX_V32_I2C_DATA_PORT
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string "I2C data pin"
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depends on ETRAX_I2C
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help
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The pin to use for I2C data.
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config ETRAX_V32_I2C_CLK_PORT
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string "I2C clock pin"
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depends on ETRAX_I2C
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help
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The pin to use for I2C clock.
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config ETRAX_GPIO
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bool "GPIO support"
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depends on ETRAX_ARCH_V32
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---help---
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Enables the ETRAX general port device (major 120, minors 0-4).
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You can use this driver to access the general port bits. It supports
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these ioctl's:
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#include <linux/etraxgpio.h>
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fd = open("/dev/gpioa", O_RDWR); // or /dev/gpiob
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ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_SETBITS), bits_to_set);
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ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_CLRBITS), bits_to_clear);
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err = ioctl(fd, _IO(ETRAXGPIO_IOCTYPE, IO_READ_INBITS), &val);
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Remember that you need to setup the port directions appropriately in
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the General configuration.
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config ETRAX_VIRTUAL_GPIO
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bool "Virtual GPIO support"
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depends on ETRAX_GPIO
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help
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Enables the virtual Etrax general port device (major 120, minor 6).
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It uses an I/O expander for the I2C-bus.
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config ETRAX_VIRTUAL_GPIO_INTERRUPT_PA_PIN
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int "Virtual GPIO interrupt pin on PA pin"
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range 0 7
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depends on ETRAX_VIRTUAL_GPIO
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help
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The pin to use on PA for virtual gpio interrupt.
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config ETRAX_PA_CHANGEABLE_DIR
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hex "PA user changeable dir mask"
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depends on ETRAX_GPIO
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default "0x00" if ETRAXFS
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default "0x00000000" if !ETRAXFS
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help
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This is a bitmask (8 bits) with information of what bits in PA that a
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user can change direction on using ioctl's.
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Bit set = changeable.
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You probably want 0 here, but it depends on your hardware.
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config ETRAX_PA_CHANGEABLE_BITS
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hex "PA user changeable bits mask"
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depends on ETRAX_GPIO
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default "0x00" if ETRAXFS
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default "0x00000000" if !ETRAXFS
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help
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This is a bitmask (8 bits) with information of what bits in PA
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that a user can change the value on using ioctl's.
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Bit set = changeable.
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config ETRAX_PB_CHANGEABLE_DIR
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hex "PB user changeable dir mask"
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depends on ETRAX_GPIO
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default "0x00000" if ETRAXFS
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default "0x00000000" if !ETRAXFS
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help
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This is a bitmask (18 bits) with information of what bits in PB
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that a user can change direction on using ioctl's.
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Bit set = changeable.
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You probably want 0 here, but it depends on your hardware.
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config ETRAX_PB_CHANGEABLE_BITS
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hex "PB user changeable bits mask"
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depends on ETRAX_GPIO
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default "0x00000" if ETRAXFS
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default "0x00000000" if !ETRAXFS
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help
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This is a bitmask (18 bits) with information of what bits in PB
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that a user can change the value on using ioctl's.
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Bit set = changeable.
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config ETRAX_PC_CHANGEABLE_DIR
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hex "PC user changeable dir mask"
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depends on ETRAX_GPIO
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default "0x00000" if ETRAXFS
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default "0x00000000" if !ETRAXFS
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help
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This is a bitmask (18 bits) with information of what bits in PC
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that a user can change direction on using ioctl's.
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Bit set = changeable.
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You probably want 0 here, but it depends on your hardware.
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config ETRAX_PC_CHANGEABLE_BITS
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hex "PC user changeable bits mask"
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depends on ETRAX_GPIO
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default "0x00000" if ETRAXFS
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default "0x00000000" if ETRAXFS
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help
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This is a bitmask (18 bits) with information of what bits in PC
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that a user can change the value on using ioctl's.
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Bit set = changeable.
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config ETRAX_PD_CHANGEABLE_DIR
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hex "PD user changeable dir mask"
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depends on ETRAX_GPIO && ETRAXFS
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default "0x00000"
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help
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This is a bitmask (18 bits) with information of what bits in PD
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that a user can change direction on using ioctl's.
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Bit set = changeable.
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You probably want 0x00000 here, but it depends on your hardware.
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config ETRAX_PD_CHANGEABLE_BITS
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hex "PD user changeable bits mask"
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depends on ETRAX_GPIO && ETRAXFS
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default "0x00000"
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help
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This is a bitmask (18 bits) with information of what bits in PD
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that a user can change the value on using ioctl's.
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Bit set = changeable.
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config ETRAX_PE_CHANGEABLE_DIR
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hex "PE user changeable dir mask"
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depends on ETRAX_GPIO && ETRAXFS
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default "0x00000"
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help
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This is a bitmask (18 bits) with information of what bits in PE
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that a user can change direction on using ioctl's.
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Bit set = changeable.
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You probably want 0x00000 here, but it depends on your hardware.
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config ETRAX_PE_CHANGEABLE_BITS
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hex "PE user changeable bits mask"
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depends on ETRAX_GPIO && ETRAXFS
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default "0x00000"
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help
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This is a bitmask (18 bits) with information of what bits in PE
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that a user can change the value on using ioctl's.
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Bit set = changeable.
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config ETRAX_PV_CHANGEABLE_DIR
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hex "PV user changeable dir mask"
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depends on ETRAX_VIRTUAL_GPIO
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default "0x0000"
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help
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This is a bitmask (16 bits) with information of what bits in PV
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that a user can change direction on using ioctl's.
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Bit set = changeable.
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You probably want 0x0000 here, but it depends on your hardware.
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config ETRAX_PV_CHANGEABLE_BITS
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hex "PV user changeable bits mask"
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depends on ETRAX_VIRTUAL_GPIO
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default "0x0000"
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help
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This is a bitmask (16 bits) with information of what bits in PV
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that a user can change the value on using ioctl's.
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Bit set = changeable.
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config ETRAX_CARDBUS
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bool "Cardbus support"
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depends on ETRAX_ARCH_V32
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help
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Enabled the ETRAX Cardbus driver.
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config PCI
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bool
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depends on ETRAX_CARDBUS
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default y
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select HAVE_GENERIC_DMA_COHERENT
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config ETRAX_IOP_FW_LOAD
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tristate "IO-processor hotplug firmware loading support"
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depends on ETRAX_ARCH_V32
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select FW_LOADER
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help
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Enables IO-processor hotplug firmware loading support.
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config ETRAX_STREAMCOPROC
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tristate "Stream co-processor driver enabled"
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depends on ETRAX_ARCH_V32
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help
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This option enables a driver for the stream co-processor
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for cryptographic operations.
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config ETRAX_MMC_IOP
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tristate "MMC/SD host driver using IO-processor"
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depends on ETRAX_ARCH_V32 && MMC
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help
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This option enables the SD/MMC host controller interface.
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The host controller is implemented using the built in
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IO-Processor. Only the SPU is used in this implementation.
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config ETRAX_SPI_MMC
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# Make this one of several "choices" (possible simultaneously but
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# suggested uniquely) when an IOP driver emerges for "real" MMC/SD
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# protocol support.
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tristate
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depends on !ETRAX_MMC_IOP
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default MMC
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select SPI
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select MMC_SPI
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select ETRAX_SPI_MMC_BOARD
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# For the parts that can't be a module (due to restrictions in
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# framework elsewhere).
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config ETRAX_SPI_MMC_BOARD
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boolean
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default n
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# While the board info is MMC_SPI only, the drivers are written to be
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# independent of MMC_SPI, so we'll keep SPI non-dependent on the
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# MMC_SPI config choices (well, except for a single depends-on-line
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# for the board-info file until a separate non-MMC SPI board file
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# emerges).
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# FIXME: When that happens, we'll need to be able to ask for and
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# configure non-MMC SPI ports together with MMC_SPI ports (if multiple
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# SPI ports are enabled).
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config SPI_ETRAX_SSER
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tristate
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depends on SPI_MASTER && ETRAX_ARCH_V32
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select SPI_BITBANG
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help
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This enables using an synchronous serial (sser) port as a
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SPI master controller on Axis ETRAX FS and later. The
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driver can be configured to use any sser port.
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config SPI_ETRAX_GPIO
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tristate
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depends on SPI_MASTER && ETRAX_ARCH_V32
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select SPI_BITBANG
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help
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This enables using GPIO pins port as a SPI master controller
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on Axis ETRAX FS and later. The driver can be configured to
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use any GPIO pins.
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config ETRAX_SPI_SSER0
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tristate "SPI using synchronous serial port 0 (sser0)"
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depends on ETRAX_SPI_MMC
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default m if MMC_SPI=m
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default y if MMC_SPI=y
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default y if MMC_SPI=n
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select SPI_ETRAX_SSER
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help
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Say Y for an MMC/SD socket connected to synchronous serial port 0,
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or for devices using the SPI protocol on that port. Say m if you
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want to build it as a module, which will be named spi_crisv32_sser.
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(You need to select MMC separately.)
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config ETRAX_SPI_SSER1
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tristate "SPI using synchronous serial port 1 (sser1)"
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depends on ETRAX_SPI_MMC
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default m if MMC_SPI=m && ETRAX_SPI_SSER0=n
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default y if MMC_SPI=y && ETRAX_SPI_SSER0=n
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default y if MMC_SPI=n && ETRAX_SPI_SSER0=n
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select SPI_ETRAX_SSER
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help
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Say Y for an MMC/SD socket connected to synchronous serial port 1,
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or for devices using the SPI protocol on that port. Say m if you
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want to build it as a module, which will be named spi_crisv32_sser.
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(You need to select MMC separately.)
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config ETRAX_SPI_GPIO
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tristate "Bitbanged SPI using gpio pins"
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depends on ETRAX_SPI_MMC
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select SPI_ETRAX_GPIO
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default m if MMC_SPI=m && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
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default y if MMC_SPI=y && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
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default y if MMC_SPI=n && ETRAX_SPI_SSER0=n && ETRAX_SPI_SSER1=n
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help
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Say Y for an MMC/SD socket connected to general I/O pins (but not
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a complete synchronous serial ports), or for devices using the SPI
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protocol on general I/O pins. Slow and slows down the system.
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Say m to build it as a module, which will be called spi_crisv32_gpio.
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(You need to select MMC separately.)
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endif
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