859 lines
24 KiB
Plaintext
859 lines
24 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
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select NET_ETHERNET
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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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default N
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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 ETRAX_ETHERNET_IFACE0
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depends on ETRAX_ETHERNET
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bool "Enable network interface 0"
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config ETRAX_ETHERNET_IFACE1
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depends on (ETRAX_ETHERNET && ETRAXFS)
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bool "Enable network interface 1 (uses DMA6 and DMA7)"
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config ETRAX_ETHERNET_GBIT
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depends on (ETRAX_ETHERNET && CRIS_MACH_ARTPEC3)
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bool "Enable gigabit Ethernet support"
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choice
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prompt "Eth0 led group"
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depends on ETRAX_ETHERNET_IFACE0
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default ETRAX_ETH0_USE_LEDGRP0
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config ETRAX_ETH0_USE_LEDGRP0
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bool "Use LED grp 0"
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depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO
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help
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Use LED grp 0 for eth0
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config ETRAX_ETH0_USE_LEDGRP1
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bool "Use LED grp 1"
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depends on ETRAX_NBR_LED_GRP_TWO
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help
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Use LED grp 1 for eth0
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config ETRAX_ETH0_USE_LEDGRPNULL
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bool "Use no LEDs for eth0"
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help
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Use no LEDs for eth0
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endchoice
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choice
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prompt "Eth1 led group"
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depends on ETRAX_ETHERNET_IFACE1
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default ETRAX_ETH1_USE_LEDGRP1
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config ETRAX_ETH1_USE_LEDGRP0
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bool "Use LED grp 0"
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depends on ETRAX_NBR_LED_GRP_ONE || ETRAX_NBR_LED_GRP_TWO
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help
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Use LED grp 0 for eth1
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config ETRAX_ETH1_USE_LEDGRP1
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bool "Use LED grp 1"
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depends on ETRAX_NBR_LED_GRP_TWO
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help
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Use LED grp 1 for eth1
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config ETRAX_ETH1_USE_LEDGRPNULL
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bool "Use no LEDs for eth1"
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help
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Use no LEDs for eth1
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endchoice
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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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choice
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prompt "Ser0 default port type "
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depends on ETRAX_SERIAL_PORT0
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default ETRAX_SERIAL_PORT0_TYPE_232
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help
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Type of serial port.
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config ETRAX_SERIAL_PORT0_TYPE_232
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bool "Ser0 is a RS-232 port"
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help
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Configure serial port 0 to be a RS-232 port.
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config ETRAX_SERIAL_PORT0_TYPE_485HD
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bool "Ser0 is a half duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 0 to be a half duplex (two wires) RS-485 port.
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config ETRAX_SERIAL_PORT0_TYPE_485FD
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bool "Ser0 is a full duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 0 to be a full duplex (four wires) RS-485 port.
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endchoice
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config ETRAX_SER0_DTR_BIT
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string "Ser 0 DTR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT0
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config ETRAX_SER0_RI_BIT
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string "Ser 0 RI bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT0
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config ETRAX_SER0_DSR_BIT
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string "Ser 0 DSR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT0
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config ETRAX_SER0_CD_BIT
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string "Ser 0 CD bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT0
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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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choice
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prompt "Ser1 default port type"
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depends on ETRAX_SERIAL_PORT1
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default ETRAX_SERIAL_PORT1_TYPE_232
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help
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Type of serial port.
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config ETRAX_SERIAL_PORT1_TYPE_232
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bool "Ser1 is a RS-232 port"
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help
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Configure serial port 1 to be a RS-232 port.
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config ETRAX_SERIAL_PORT1_TYPE_485HD
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bool "Ser1 is a half duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 1 to be a half duplex (two wires) RS-485 port.
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config ETRAX_SERIAL_PORT1_TYPE_485FD
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bool "Ser1 is a full duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 1 to be a full duplex (four wires) RS-485 port.
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endchoice
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config ETRAX_SER1_DTR_BIT
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string "Ser 1 DTR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT1
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config ETRAX_SER1_RI_BIT
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string "Ser 1 RI bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT1
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config ETRAX_SER1_DSR_BIT
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string "Ser 1 DSR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT1
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config ETRAX_SER1_CD_BIT
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string "Ser 1 CD bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT1
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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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choice
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prompt "Ser2 default port type"
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depends on ETRAX_SERIAL_PORT2
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default ETRAX_SERIAL_PORT2_TYPE_232
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help
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What DMA channel to use for ser2
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config ETRAX_SERIAL_PORT2_TYPE_232
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bool "Ser2 is a RS-232 port"
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help
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Configure serial port 2 to be a RS-232 port.
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config ETRAX_SERIAL_PORT2_TYPE_485HD
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bool "Ser2 is a half duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 2 to be a half duplex (two wires) RS-485 port.
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config ETRAX_SERIAL_PORT2_TYPE_485FD
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bool "Ser2 is a full duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 2 to be a full duplex (four wires) RS-485 port.
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endchoice
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config ETRAX_SER2_DTR_BIT
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string "Ser 2 DTR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT2
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config ETRAX_SER2_RI_BIT
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string "Ser 2 RI bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT2
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config ETRAX_SER2_DSR_BIT
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string "Ser 2 DSR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT2
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config ETRAX_SER2_CD_BIT
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string "Ser 2 CD bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT2
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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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choice
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prompt "Ser3 default port type"
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depends on ETRAX_SERIAL_PORT3
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default ETRAX_SERIAL_PORT3_TYPE_232
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help
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What DMA channel to use for ser3.
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config ETRAX_SERIAL_PORT3_TYPE_232
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bool "Ser3 is a RS-232 port"
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help
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Configure serial port 3 to be a RS-232 port.
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config ETRAX_SERIAL_PORT3_TYPE_485HD
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bool "Ser3 is a half duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 3 to be a half duplex (two wires) RS-485 port.
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config ETRAX_SERIAL_PORT3_TYPE_485FD
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bool "Ser3 is a full duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 3 to be a full duplex (four wires) RS-485 port.
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endchoice
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config ETRAX_SER3_DTR_BIT
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string "Ser 3 DTR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT3
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config ETRAX_SER3_RI_BIT
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string "Ser 3 RI bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT3
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config ETRAX_SER3_DSR_BIT
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string "Ser 3 DSR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT3
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config ETRAX_SER3_CD_BIT
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string "Ser 3 CD bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT3
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config ETRAX_SERIAL_PORT4
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bool "Serial port 4 enabled"
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depends on ETRAXFS_SERIAL && CRIS_MACH_ARTPEC3
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help
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Enables the ETRAX FS serial driver for ser4 (ttyS4).
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choice
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prompt "Ser4 default port type"
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depends on ETRAX_SERIAL_PORT4
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default ETRAX_SERIAL_PORT4_TYPE_232
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help
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What DMA channel to use for ser4.
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config ETRAX_SERIAL_PORT4_TYPE_232
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bool "Ser4 is a RS-232 port"
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help
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Configure serial port 4 to be a RS-232 port.
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config ETRAX_SERIAL_PORT4_TYPE_485HD
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bool "Ser4 is a half duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 4 to be a half duplex (two wires) RS-485 port.
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config ETRAX_SERIAL_PORT4_TYPE_485FD
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bool "Ser4 is a full duplex RS-485 port"
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depends on ETRAX_RS485
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help
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Configure serial port 4 to be a full duplex (four wires) RS-485 port.
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endchoice
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choice
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prompt "Ser4 DMA in channel "
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depends on ETRAX_SERIAL_PORT4
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default ETRAX_SERIAL_PORT4_NO_DMA_IN
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help
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What DMA channel to use for ser4.
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config ETRAX_SERIAL_PORT4_NO_DMA_IN
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bool "Ser4 uses no DMA for input"
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help
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Do not use DMA for ser4 input.
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config ETRAX_SERIAL_PORT4_DMA9_IN
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bool "Ser4 uses DMA9 for input"
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depends on ETRAX_SERIAL_PORT4
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help
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Enables the DMA9 input channel for ser4 (ttyS4).
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If you do not enable DMA, an interrupt for each character will be
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used when receiveing data.
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Normally you want to use DMA, unless you use the DMA channel for
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something else.
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endchoice
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config ETRAX_SER4_DTR_BIT
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string "Ser 4 DTR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT4
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config ETRAX_SER4_RI_BIT
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string "Ser 4 RI bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT4
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config ETRAX_SER4_DSR_BIT
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string "Ser 4 DSR bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT4
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config ETRAX_SER3_CD_BIT
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string "Ser 4 CD bit (empty = not used)"
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depends on ETRAX_SERIAL_PORT4
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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. For a primer on
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RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>.
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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_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_CHAR
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select MTD_BLOCK
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select MTD_PARTITIONS
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select MTD_CONCAT
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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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default N
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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
|
|
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
|