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60dbd66331
GENERIC_TIME was not functional for CRIS, giving random backward time jumps. For CRISv32 implement a new clocksource using the free running counter and ditch the arch_gettimeoffset. The random time jumps still existed, but turned out to be the write_seqlock which was missing around our do_timer() call. So switch over to GENERIC_TIME using the clocksource for CRISv32. CRISv10 doesn't have the free running counter needed for the clocksource trick, but we can still use GENERIC_TIME with arch_gettimeoffset. Unfortunately, there were problems in using the prescaler register to timer0 for the gettimeoffset calculation, so it is now ignored, making our resolution worse by the tune of 40usec (0.4%) worst case. At the same time, clean up some formatting and use NSEC_PER_SEC instead of 1000000000. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
705 lines
16 KiB
Plaintext
705 lines
16 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the Configure script.
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#
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mainmenu "Linux/CRIS Kernel Configuration"
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config MMU
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bool
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default y
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config ZONE_DMA
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bool
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default y
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config RWSEM_GENERIC_SPINLOCK
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bool
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default y
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config RWSEM_XCHGADD_ALGORITHM
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bool
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config GENERIC_TIME
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def_bool y
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config GENERIC_CMOS_UPDATE
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def_bool y
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config ARCH_USES_GETTIMEOFFSET
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def_bool n
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config GENERIC_IOMAP
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bool
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default y
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config ARCH_HAS_ILOG2_U32
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bool
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default n
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config ARCH_HAS_ILOG2_U64
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bool
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default n
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config GENERIC_FIND_NEXT_BIT
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bool
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default y
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config GENERIC_HWEIGHT
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bool
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default y
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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config NO_IOPORT
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def_bool y
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config FORCE_MAX_ZONEORDER
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int
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default 6
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config CRIS
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bool
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default y
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select HAVE_IDE
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config HZ
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int
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default 100
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source "init/Kconfig"
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source "kernel/Kconfig.freezer"
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menu "General setup"
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source "fs/Kconfig.binfmt"
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config GENERIC_HARDIRQS
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bool
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default y
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config ETRAX_CMDLINE
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string "Kernel command line"
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default "root=/dev/mtdblock3"
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help
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Pass additional commands to the kernel.
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config ETRAX_WATCHDOG
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bool "Enable ETRAX watchdog"
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help
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Enable the built-in watchdog timer support on ETRAX based embedded
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network computers.
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config ETRAX_WATCHDOG_NICE_DOGGY
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bool "Disable watchdog during Oops printouts"
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depends on ETRAX_WATCHDOG
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help
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By enabling this you make sure that the watchdog does not bite while
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printing oopses. Recommended for development systems but not for
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production releases.
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config ETRAX_FAST_TIMER
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bool "Enable ETRAX fast timer API"
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help
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This options enables the API to a fast timer implementation using
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timer1 to get sub jiffie resolution timers (primarily one-shot
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timers).
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This is needed if CONFIG_ETRAX_SERIAL_FAST_TIMER is enabled.
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config ETRAX_KMALLOCED_MODULES
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bool "Enable module allocation with kmalloc"
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help
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Enable module allocation with kmalloc instead of vmalloc.
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config OOM_REBOOT
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bool "Enable reboot at out of memory"
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source "kernel/Kconfig.preempt"
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source mm/Kconfig
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endmenu
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menu "Hardware setup"
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choice
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prompt "Processor type"
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default ETRAX100LX
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config ETRAX100LX
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bool "ETRAX-100LX-v1"
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select ARCH_USES_GETTIMEOFFSET
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help
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Support version 1 of the ETRAX 100LX.
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config ETRAX100LX_V2
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bool "ETRAX-100LX-v2"
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select ARCH_USES_GETTIMEOFFSET
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help
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Support version 2 of the ETRAX 100LX.
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config SVINTO_SIM
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bool "ETRAX-100LX-for-xsim-simulator"
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select ARCH_USES_GETTIMEOFFSET
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help
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Support the xsim ETRAX Simulator.
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config ETRAXFS
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bool "ETRAX-FS-V32"
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help
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Support CRIS V32.
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config CRIS_MACH_ARTPEC3
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bool "ARTPEC-3"
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help
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Support Axis ARTPEC-3.
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endchoice
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config ETRAX_VCS_SIM
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bool "VCS Simulator"
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help
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Setup hardware to be run in the VCS simulator.
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config ETRAX_ARCH_V10
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bool
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default y if ETRAX100LX || ETRAX100LX_V2
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default n if !(ETRAX100LX || ETRAX100LX_V2)
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config ETRAX_ARCH_V32
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bool
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default y if (ETRAXFS || CRIS_MACH_ARTPEC3)
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default n if !(ETRAXFS || CRIS_MACH_ARTPEC3)
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config ETRAX_DRAM_SIZE
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int "DRAM size (dec, in MB)"
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default "8"
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help
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Size of DRAM (decimal in MB) typically 2, 8 or 16.
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config ETRAX_VMEM_SIZE
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int "Video memory size (dec, in MB)"
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depends on ETRAX_ARCH_V32 && !ETRAXFS
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default 8 if !ETRAXFS
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help
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Size of Video accessible memory (decimal, in MB).
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config ETRAX_FLASH_BUSWIDTH
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int "Buswidth of NOR flash in bytes"
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default "2"
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help
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Width in bytes of the NOR Flash bus (1, 2 or 4). Is usually 2.
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config ETRAX_NANDFLASH_BUSWIDTH
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int "Buswidth of NAND flash in bytes"
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default "1"
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help
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Width in bytes of the NAND flash (1 or 2).
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config ETRAX_FLASH1_SIZE
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int "FLASH1 size (dec, in MB. 0 = Unknown)"
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default "0"
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choice
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prompt "Product debug-port"
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default ETRAX_DEBUG_PORT0
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config ETRAX_DEBUG_PORT0
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bool "Serial-0"
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help
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Choose a serial port for the ETRAX debug console. Default to
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port 0.
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config ETRAX_DEBUG_PORT1
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bool "Serial-1"
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help
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Use serial port 1 for the console.
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config ETRAX_DEBUG_PORT2
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bool "Serial-2"
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help
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Use serial port 2 for the console.
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config ETRAX_DEBUG_PORT3
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bool "Serial-3"
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help
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Use serial port 3 for the console.
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config ETRAX_DEBUG_PORT_NULL
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bool "disabled"
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help
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Disable serial-port debugging.
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endchoice
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choice
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prompt "Kernel GDB port"
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depends on ETRAX_KGDB
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default ETRAX_KGDB_PORT0
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help
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Choose a serial port for kernel debugging. NOTE: This port should
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not be enabled under Drivers for built-in interfaces (as it has its
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own initialization code) and should not be the same as the debug port.
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config ETRAX_KGDB_PORT0
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bool "Serial-0"
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help
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Use serial port 0 for kernel debugging.
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config ETRAX_KGDB_PORT1
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bool "Serial-1"
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help
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Use serial port 1 for kernel debugging.
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config ETRAX_KGDB_PORT2
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bool "Serial-2"
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help
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Use serial port 2 for kernel debugging.
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config ETRAX_KGDB_PORT3
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bool "Serial-3"
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help
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Use serial port 3 for kernel debugging.
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endchoice
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source arch/cris/arch-v10/Kconfig
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source arch/cris/arch-v32/Kconfig
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endmenu
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source "net/Kconfig"
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# bring in ETRAX built-in drivers
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menu "Drivers for built-in interfaces"
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source arch/cris/arch-v10/drivers/Kconfig
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source arch/cris/arch-v32/drivers/Kconfig
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config ETRAX_AXISFLASHMAP
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bool "Axis flash-map support"
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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 if ETRAX_ARCH_V32
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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_RTC
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bool "Real Time Clock support"
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depends on ETRAX_I2C
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help
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Enables drivers for the Real-Time Clock battery-backed chips on
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some products. The kernel reads the time when booting, and
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the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
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rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc
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device. You can check the time with cat /proc/rtc, but
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normal time reading should be done using libc function time and
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friends.
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choice
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prompt "RTC chip"
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depends on ETRAX_RTC
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default ETRAX_PCF8563 if ETRAX_ARCH_V32
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default ETRAX_DS1302 if ETRAX_ARCH_V10
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config ETRAX_DS1302
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depends on ETRAX_ARCH_V10
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bool "DS1302"
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help
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Enables the driver for the DS1302 Real-Time Clock battery-backed
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chip on some products.
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config ETRAX_PCF8563
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bool "PCF8563"
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help
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Enables the driver for the PCF8563 Real-Time Clock battery-backed
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chip on some products.
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endchoice
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config ETRAX_SYNCHRONOUS_SERIAL
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bool "Synchronous serial-port support"
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help
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Select this to enable the synchronous serial port 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 || ETRAX_ARCH_V10)
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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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choice
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prompt "Network LED behavior"
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depends on ETRAX_ETHERNET
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default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
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config ETRAX_NETWORK_LED_ON_WHEN_LINK
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bool "LED_on_when_link"
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help
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Selecting LED_on_when_link will light the LED when there is a
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connection and will flash off when there is activity.
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Selecting LED_on_when_activity will light the LED only when
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there is activity.
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This setting will also affect the behaviour of other activity LEDs
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e.g. Bluetooth.
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config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
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bool "LED_on_when_activity"
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help
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Selecting LED_on_when_link will light the LED when there is a
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connection and will flash off when there is activity.
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Selecting LED_on_when_activity will light the LED only when
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there is activity.
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This setting will also affect the behaviour of other activity LEDs
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e.g. Bluetooth.
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endchoice
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choice
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prompt "Ser0 DMA out channel"
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depends on ETRAX_SERIAL_PORT0
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default ETRAX_SERIAL_PORT0_DMA6_OUT if ETRAX_ARCH_V32
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default ETRAX_SERIAL_PORT0_NO_DMA_OUT if ETRAX_ARCH_V10
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config ETRAX_SERIAL_PORT0_NO_DMA_OUT
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bool "Ser0 uses no DMA for output"
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help
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Do not use DMA for ser0 output.
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config ETRAX_SERIAL_PORT0_DMA6_OUT
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bool "Ser0 uses DMA6 for output"
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depends on ETRAXFS
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help
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Enables the DMA6 output channel for ser0 (ttyS0).
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If you do not enable DMA, an interrupt for each character will be
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used when transmitting 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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config ETRAX_SERIAL_PORT0_DMA0_OUT
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bool "Ser0 uses DMA0 for output"
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depends on CRIS_MACH_ARTPEC3
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help
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Enables the DMA0 output channel for ser0 (ttyS0).
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If you do not enable DMA, an interrupt for each character will be
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used when transmitting 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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choice
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prompt "Ser0 DMA in channel "
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depends on ETRAX_SERIAL_PORT0
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default ETRAX_SERIAL_PORT0_NO_DMA_IN if ETRAX_ARCH_V32
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default ETRAX_SERIAL_PORT0_DMA7_IN if ETRAX_ARCH_V10
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help
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What DMA channel to use for ser0.
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config ETRAX_SERIAL_PORT0_NO_DMA_IN
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bool "Ser0 uses no DMA for input"
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help
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Do not use DMA for ser0 input.
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config ETRAX_SERIAL_PORT0_DMA7_IN
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bool "Ser0 uses DMA7 for input"
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depends on ETRAXFS
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help
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Enables the DMA7 input channel for ser0 (ttyS0).
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If you do not enable DMA, an interrupt for each character will be
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used when receiving 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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config ETRAX_SERIAL_PORT0_DMA1_IN
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bool "Ser0 uses DMA1 for input"
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depends on CRIS_MACH_ARTPEC3
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help
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Enables the DMA1 input channel for ser0 (ttyS0).
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If you do not enable DMA, an interrupt for each character will be
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used when receiving 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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choice
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prompt "Ser1 DMA in channel "
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depends on ETRAX_SERIAL_PORT1
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default ETRAX_SERIAL_PORT1_NO_DMA_IN if ETRAX_ARCH_V32
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default ETRAX_SERIAL_PORT1_DMA9_IN if ETRAX_ARCH_V10
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help
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What DMA channel to use for ser1.
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config ETRAX_SERIAL_PORT1_NO_DMA_IN
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bool "Ser1 uses no DMA for input"
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help
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Do not use DMA for ser1 input.
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config ETRAX_SERIAL_PORT1_DMA5_IN
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bool "Ser1 uses DMA5 for input"
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depends on ETRAX_ARCH_V32
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help
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Enables the DMA5 input channel for ser1 (ttyS1).
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If you do not enable DMA, an interrupt for each character will be
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used when receiving data.
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Normally you want this on, unless you use the DMA channel for
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something else.
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config ETRAX_SERIAL_PORT1_DMA9_IN
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depends on ETRAX_ARCH_V10
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bool "Ser1 uses DMA9 for input"
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endchoice
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choice
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prompt "Ser1 DMA out channel"
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depends on ETRAX_SERIAL_PORT1
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default ETRAX_SERIAL_PORT1_NO_DMA_OUT if ETRAX_ARCH_V32
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default ETRAX_SERIAL_PORT1_DMA8_OUT if ETRAX_ARCH_V10
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help
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What DMA channel to use for ser1.
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config ETRAX_SERIAL_PORT1_NO_DMA_OUT
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bool "Ser1 uses no DMA for output"
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help
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Do not use DMA for ser1 output.
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config ETRAX_SERIAL_PORT1_DMA8_OUT
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depends on ETRAX_ARCH_V10
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bool "Ser1 uses DMA8 for output"
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config ETRAX_SERIAL_PORT1_DMA4_OUT
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depends on ETRAX_ARCH_V32
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bool "Ser1 uses DMA4 for output"
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help
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Enables the DMA4 output channel for ser1 (ttyS1).
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If you do not enable DMA, an interrupt for each character will be
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used when transmitting data.
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Normally you want this on, unless you use the DMA channel for
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something else.
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endchoice
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choice
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prompt "Ser2 DMA out channel"
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depends on ETRAX_SERIAL_PORT2
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default ETRAX_SERIAL_PORT2_NO_DMA_OUT if ETRAX_ARCH_V32
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default ETRAX_SERIAL_PORT2_DMA2_OUT if ETRAX_ARCH_V10
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config ETRAX_SERIAL_PORT2_NO_DMA_OUT
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bool "Ser2 uses no DMA for output"
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help
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Do not use DMA for ser2 output.
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config ETRAX_SERIAL_PORT2_DMA2_OUT
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bool "Ser2 uses DMA2 for output"
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depends on ETRAXFS || ETRAX_ARCH_V10
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help
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Enables the DMA2 output channel for ser2 (ttyS2).
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If you do not enable DMA, an interrupt for each character will be
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used when transmitting 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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config ETRAX_SERIAL_PORT2_DMA6_OUT
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bool "Ser2 uses DMA6 for output"
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depends on CRIS_MACH_ARTPEC3
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help
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Enables the DMA6 output channel for ser2 (ttyS2).
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If you do not enable DMA, an interrupt for each character will be
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used when transmitting 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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|
|
|
choice
|
|
prompt "Ser2 DMA in channel"
|
|
depends on ETRAX_SERIAL_PORT2
|
|
default ETRAX_SERIAL_PORT2_NO_DMA_IN if ETRAX_ARCH_V32
|
|
default ETRAX_SERIAL_PORT2_DMA3_IN if ETRAX_ARCH_V10
|
|
help
|
|
What DMA channel to use for ser2.
|
|
|
|
config ETRAX_SERIAL_PORT2_NO_DMA_IN
|
|
bool "Ser2 uses no DMA for input"
|
|
help
|
|
Do not use DMA for ser2 input.
|
|
|
|
config ETRAX_SERIAL_PORT2_DMA3_IN
|
|
bool "Ser2 uses DMA3 for input"
|
|
depends on ETRAXFS || ETRAX_ARCH_V10
|
|
help
|
|
Enables the DMA3 input channel for ser2 (ttyS2).
|
|
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.
|
|
|
|
config ETRAX_SERIAL_PORT2_DMA7_IN
|
|
bool "Ser2 uses DMA7 for input"
|
|
depends on CRIS_MACH_ARTPEC3
|
|
help
|
|
Enables the DMA7 input channel for ser2 (ttyS2).
|
|
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
|
|
|
|
choice
|
|
prompt "Ser3 DMA in channel"
|
|
depends on ETRAX_SERIAL_PORT3
|
|
default ETRAX_SERIAL_PORT3_NO_DMA_IN if ETRAX_ARCH_V32
|
|
default ETRAX_SERIAL_PORT3_DMA5_IN if ETRAX_ARCH_V10
|
|
help
|
|
What DMA channel to use for ser3.
|
|
|
|
config ETRAX_SERIAL_PORT3_NO_DMA_IN
|
|
bool "Ser3 uses no DMA for input"
|
|
help
|
|
Do not use DMA for ser3 input.
|
|
|
|
config ETRAX_SERIAL_PORT3_DMA5_IN
|
|
depends on ETRAX_ARCH_V10
|
|
bool "DMA 5"
|
|
|
|
config ETRAX_SERIAL_PORT3_DMA9_IN
|
|
bool "Ser3 uses DMA9 for input"
|
|
depends on ETRAXFS
|
|
help
|
|
Enables the DMA9 input channel for ser3 (ttyS3).
|
|
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.
|
|
|
|
config ETRAX_SERIAL_PORT3_DMA3_IN
|
|
bool "Ser3 uses DMA3 for input"
|
|
depends on CRIS_MACH_ARTPEC3
|
|
help
|
|
Enables the DMA3 input channel for ser3 (ttyS3).
|
|
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
|
|
|
|
choice
|
|
prompt "Ser3 DMA out channel"
|
|
depends on ETRAX_SERIAL_PORT3
|
|
default ETRAX_SERIAL_PORT3_NO_DMA_OUT if ETRAX_ARCH_V32
|
|
default ETRAX_SERIAL_PORT3_DMA4_OUT if ETRAX_ARCH_V10
|
|
|
|
config ETRAX_SERIAL_PORT3_NO_DMA_OUT
|
|
bool "Ser3 uses no DMA for output"
|
|
help
|
|
Do not use DMA for ser3 output.
|
|
|
|
config ETRAX_SERIAL_PORT3_DMA4_OUT
|
|
depends on ETRAX_ARCH_V10
|
|
bool "DMA 4"
|
|
|
|
config ETRAX_SERIAL_PORT3_DMA8_OUT
|
|
bool "Ser3 uses DMA8 for output"
|
|
depends on ETRAXFS
|
|
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.
|
|
|
|
config ETRAX_SERIAL_PORT3_DMA2_OUT
|
|
bool "Ser3 uses DMA2 for output"
|
|
depends on CRIS_MACH_ARTPEC3
|
|
help
|
|
Enables the DMA2 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.
|
|
|
|
endchoice
|
|
|
|
endmenu
|
|
|
|
source "drivers/base/Kconfig"
|
|
|
|
# standard linux drivers
|
|
source "drivers/mtd/Kconfig"
|
|
|
|
source "drivers/parport/Kconfig"
|
|
|
|
source "drivers/pnp/Kconfig"
|
|
|
|
source "drivers/block/Kconfig"
|
|
|
|
source "drivers/ide/Kconfig"
|
|
|
|
source "drivers/net/Kconfig"
|
|
|
|
source "drivers/i2c/Kconfig"
|
|
|
|
source "drivers/rtc/Kconfig"
|
|
|
|
#
|
|
# input before char - char/joystick depends on it. As does USB.
|
|
#
|
|
source "drivers/input/Kconfig"
|
|
|
|
source "drivers/char/Kconfig"
|
|
|
|
source "fs/Kconfig"
|
|
|
|
source "drivers/usb/Kconfig"
|
|
|
|
source "drivers/uwb/Kconfig"
|
|
|
|
source "drivers/staging/Kconfig"
|
|
|
|
source "arch/cris/Kconfig.debug"
|
|
|
|
source "security/Kconfig"
|
|
|
|
source "crypto/Kconfig"
|
|
|
|
source "lib/Kconfig"
|