📄 kconfig
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Do not use DMA for ser3 output.config ETRAX_SERIAL_PORT3_DMA8_OUT bool "Ser3 uses DMA8 for output" depends on ETRAX_SERIAL_PORT3 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.endchoiceconfig ETRAX_SER3_DTR_BIT string "Ser 3 DTR bit (empty = not used)" depends on ETRAX_SERIAL_PORT3config ETRAX_SER3_RI_BIT string "Ser 3 RI bit (empty = not used)" depends on ETRAX_SERIAL_PORT3config ETRAX_SER3_DSR_BIT string "Ser 3 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT3config ETRAX_SER3_CD_BIT string "Ser 3 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT3config 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://www.hw.cz/english/docs/rs485/rs485.html>.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. Axis 2400/2401 must disable receiver.config ETRAX_AXISFLASHMAP bool "Axis flash-map support" depends on ETRAX_ARCH_V32 select MTD select MTD_CFI select MTD_CFI_AMDSTD select MTD_OBSOLETE_CHIPS select MTD_AMDSTD 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_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 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_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_I2C bool "I2C driver" depends on ETRAX_ARCH_V32 help This option enabled the I2C driver used by e.g. the RTC driver.config ETRAX_I2C_DATA_PORT string "I2C data pin" depends on ETRAX_I2C help The pin to use for I2C data.config ETRAX_I2C_CLK_PORT string "I2C clock pin" depends on ETRAX_I2C help The pin to use for I2C clock.config ETRAX_RTC bool "Real Time Clock support" depends on ETRAX_ARCH_V32 help Enabled RTC support.choice prompt "RTC chip" depends on ETRAX_RTC default ETRAX_PCF8563config ETRAX_PCF8563 bool "PCF8563" help Philips PCF8563 RTCendchoiceconfig 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_PA_BUTTON_BITMASK hex "PA-buttons bitmask" 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.config ETRAX_PA_CHANGEABLE_DIR hex "PA user changeable dir mask" depends on ETRAX_GPIO default "0x00" 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.config ETRAX_PA_CHANGEABLE_BITS hex "PA user changeable bits mask" depends on ETRAX_GPIO default "0x00" 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" 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.config ETRAX_PB_CHANGEABLE_BITS hex "PB user changeable bits mask" depends on ETRAX_GPIO default "0x00000" 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" 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.config ETRAX_PC_CHANGEABLE_BITS hex "PC user changeable bits mask" depends on ETRAX_GPIO default "0x00000" 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 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 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 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 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_IDE bool "ATA/IDE support" depends on ETRAX_ARCH_V32 select IDE select BLK_DEV_IDE select BLK_DEV_IDEDISK select BLK_DEV_IDECD select BLK_DEV_IDEDMA help Enables the ETRAX IDE driver.config ETRAX_CARDBUS bool "Cardbus support" depends on ETRAX_ARCH_V32 select PCCARD select CARDBUS select HOTPLUG select PCCARD_NONSTATIC help Enabled the ETRAX Carbus driver.config PCI bool depends on ETRAX_CARDBUS default yconfig 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.
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