if ETRAX_ARCH_V32 config ETRAX_ETHERNET 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_NO_PHY bool "PHY not present" depends on ETRAX_ETHERNET default N 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 ETRAX_ETHERNET_IFACE0 depends on ETRAX_ETHERNET bool "Enable network interface 0" config ETRAX_ETHERNET_IFACE1 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 "Eth0 led group" depends on ETRAX_ETHERNET_IFACE0 default ETRAX_ETH0_USE_LEDGRP0 config ETRAX_ETH0_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 eth0 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_ETH0_USE_LEDGRPNULL bool "Use no LEDs for eth0" help Use no LEDs for eth0 endchoice choice prompt "Eth1 led group" depends on ETRAX_ETHERNET_IFACE1 default ETRAX_ETH1_USE_LEDGRP1 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 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 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. choice prompt "Ser0 default port type " depends on ETRAX_SERIAL_PORT0 default ETRAX_SERIAL_PORT0_TYPE_232 help Type of serial port. config ETRAX_SERIAL_PORT0_TYPE_232 bool "Ser0 is a RS-232 port" help Configure serial port 0 to be a RS-232 port. config ETRAX_SERIAL_PORT0_TYPE_485HD bool "Ser0 is a half duplex RS-485 port" depends on ETRAX_RS485 help Configure serial port 0 to be a half duplex (two wires) RS-485 port. config ETRAX_SERIAL_PORT0_TYPE_485FD bool "Ser0 is a full duplex RS-485 port" depends on ETRAX_RS485 help Configure serial port 0 to be a full duplex (four wires) RS-485 port. endchoice config ETRAX_SER0_DTR_BIT string "Ser 0 DTR bit (empty = not used)" depends on ETRAX_SERIAL_PORT0 config ETRAX_SER0_RI_BIT string "Ser 0 RI bit (empty = not used)" depends on ETRAX_SERIAL_PORT0 config ETRAX_SER0_DSR_BIT string "Ser 0 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT0 config ETRAX_SER0_CD_BIT string "Ser 0 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT0 config ETRAX_SERIAL_PORT1 bool "Serial port 1 enabled" depends on ETRAXFS_SERIAL help Enables the ETRAX FS serial driver for ser1 (ttyS1). choice prompt "Ser1 default port type" depends on ETRAX_SERIAL_PORT1 default ETRAX_SERIAL_PORT1_TYPE_232 help Type of serial port. config ETRAX_SERIAL_PORT1_TYPE_232 bool "Ser1 is a RS-232 port" help Configure serial port 1 to be a RS-232 port. config ETRAX_SERIAL_PORT1_TYPE_485HD bool "Ser1 is a half duplex RS-485 port" depends on ETRAX_RS485 help Configure serial port 1 to be a half duplex (two wires) RS-485 port. config ETRAX_SERIAL_PORT1_TYPE_485FD bool "Ser1 is a full duplex RS-485 port" depends on ETRAX_RS485 help Configure serial port 1 to be a full duplex (four wires) RS-485 port. endchoice config ETRAX_SER1_DTR_BIT string "Ser 1 DTR bit (empty = not used)" depends on ETRAX_SERIAL_PORT1 config ETRAX_SER1_RI_BIT string "Ser 1 RI bit (empty = not used)" depends on ETRAX_SERIAL_PORT1 config ETRAX_SER1_DSR_BIT string "Ser 1 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT1 config ETRAX_SER1_CD_BIT string "Ser 1 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT1 config ETRAX_SERIAL_PORT2 bool "Serial port 2 enabled" depends on ETRAXFS_SERIAL help Enables the ETRAX FS serial driver for ser2 (ttyS2). choice prompt "Ser2 default port type" depends on ETRAX_SERIAL_PORT2 default ETRAX_SERIAL_PORT2_TYPE_232 help What DMA channel to use for ser2 config ETRAX_SERIAL_PORT2_TYPE_232 bool "Ser2 is a RS-232 port" help Configure serial port 2 to be a RS-232 port. config ETRAX_SERIAL_PORT2_TYPE_485HD bool "Ser2 is a half duplex RS-485 port" depends on ETRAX_RS485 help Configure serial port 2 to be a half duplex (two wires) RS-485 port. config ETRAX_SERIAL_PORT2_TYPE_485FD bool "Ser2 is a full duplex RS-485 port" depends on ETRAX_RS485 help 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 config ETRAX_SER2_RI_BIT string "Ser 2 RI bit (empty = not used)" depends on ETRAX_SERIAL_PORT2 config ETRAX_SER2_DSR_BIT string "Ser 2 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT2 config ETRAX_SER2_CD_BIT string "Ser 2 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT2 config ETRAX_SERIAL_PORT3 bool "Serial port 3 enabled" depends on ETRAXFS_SERIAL help Enables the ETRAX FS serial driver for ser3 (ttyS3). choice prompt "Ser3 default port type" depends on ETRAX_SERIAL_PORT3 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_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 Configure serial port 3 to be a full duplex (four wires) RS-485 port. endchoice 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 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 "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_PORT4_NO_DMA_IN bool "Ser4 uses no DMA for input" help Do not use DMA for ser4 input. config ETRAX_SERIAL_PORT4_DMA9_IN bool "Ser4 uses DMA9 for input" depends on ETRAX_SERIAL_PORT4 help Enables the DMA9 input channel for ser4 (ttyS4). 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 config ETRAX_SER4_DTR_BIT string "Ser 4 DTR bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 config ETRAX_SER4_RI_BIT string "Ser 4 RI bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 config ETRAX_SER4_DSR_BIT string "Ser 4 DSR bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 config ETRAX_SER4_CD_BIT string "Ser 4 CD bit (empty = not used)" depends on ETRAX_SERIAL_PORT4 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_CHAR select MTD_BLOCK 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 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 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 select HOTPLUG 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. 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