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8fbbf7c76a
Add CPU register declarations for the AM34 subarch. Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com>
387 lines
8.1 KiB
Plaintext
387 lines
8.1 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see Documentation/kbuild/kconfig-language.txt.
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#
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mainmenu "Linux Kernel Configuration"
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config MN10300
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def_bool y
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select HAVE_OPROFILE
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config AM33_2
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def_bool n
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config AM33_3
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def_bool n
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config AM34_2
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def_bool n
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select MN10300_HAS_ATOMIC_OPS_UNIT
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config MMU
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def_bool y
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config HIGHMEM
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def_bool n
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config NUMA
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def_bool n
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config UID16
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def_bool y
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config RWSEM_GENERIC_SPINLOCK
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def_bool y
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config RWSEM_XCHGADD_ALGORITHM
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bool
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config GENERIC_HARDIRQS_NO__DO_IRQ
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def_bool y
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config GENERIC_CALIBRATE_DELAY
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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 GENERIC_FIND_NEXT_BIT
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def_bool y
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config GENERIC_HWEIGHT
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def_bool y
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config GENERIC_BUG
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def_bool y
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config QUICKLIST
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def_bool y
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config ARCH_HAS_ILOG2_U32
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def_bool y
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# Use the generic interrupt handling code in kernel/irq/
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config GENERIC_HARDIRQS
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def_bool y
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config HOTPLUG_CPU
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def_bool n
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config HZ
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int
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default 1000
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mainmenu "Matsushita MN10300/AM33 Kernel Configuration"
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source "init/Kconfig"
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source "kernel/Kconfig.freezer"
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menu "Matsushita MN10300 system setup"
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choice
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prompt "Unit type"
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default MN10300_UNIT_ASB2303
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help
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This option specifies board for which the kernel will be
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compiled. It affects the external peripherals catered for.
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config MN10300_UNIT_ASB2303
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bool "ASB2303"
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config MN10300_UNIT_ASB2305
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bool "ASB2305"
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endchoice
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choice
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prompt "Processor support"
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default MN10300_PROC_MN103E010
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help
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This option specifies the processor for which the kernel will be
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compiled. It affects the on-chip peripherals catered for.
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config MN10300_PROC_MN103E010
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bool "MN103E010"
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depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305
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select AM33_2
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select MN10300_PROC_HAS_TTYSM0
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select MN10300_PROC_HAS_TTYSM1
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select MN10300_PROC_HAS_TTYSM2
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endchoice
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choice
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prompt "Processor core support"
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default MN10300_CPU_AM33V2
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help
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This option specifies the processor core for which the kernel will be
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compiled. It affects the instruction set used.
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config MN10300_CPU_AM33V2
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bool "AM33v2"
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endchoice
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config MN10300_HAS_ATOMIC_OPS_UNIT
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def_bool n
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help
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This should be enabled if the processor has an atomic ops unit
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capable of doing LL/SC equivalent operations.
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config FPU
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bool "FPU present"
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default y
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depends on MN10300_PROC_MN103E010
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choice
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prompt "CPU Caching mode"
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default MN10300_CACHE_WBACK
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help
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This option determines the caching mode for the kernel.
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Write-Back caching mode involves the all reads and writes causing
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the affected cacheline to be read into the cache first before being
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operated upon. Memory is not then updated by a write until the cache
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is filled and a cacheline needs to be displaced from the cache to
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make room. Only at that point is it written back.
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Write-Through caching only fetches cachelines from memory on a
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read. Writes always get written directly to memory. If the affected
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cacheline is also in cache, it will be updated too.
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The final option is to turn of caching entirely.
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config MN10300_CACHE_WBACK
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bool "Write-Back"
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config MN10300_CACHE_WTHRU
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bool "Write-Through"
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config MN10300_CACHE_DISABLED
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bool "Disabled"
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endchoice
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menu "Memory layout options"
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config KERNEL_RAM_BASE_ADDRESS
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hex "Base address of kernel RAM"
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default "0x90000000"
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config INTERRUPT_VECTOR_BASE
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hex "Base address of vector table"
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default "0x90000000"
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help
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The base address of the vector table will be programmed into
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the TBR register. It must be on 16MiB address boundary.
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config KERNEL_TEXT_ADDRESS
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hex "Base address of kernel"
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default "0x90001000"
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config KERNEL_ZIMAGE_BASE_ADDRESS
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hex "Base address of compressed vmlinux image"
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default "0x90700000"
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endmenu
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config PREEMPT
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bool "Preemptible Kernel"
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help
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This option reduces the latency of the kernel when reacting to
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real-time or interactive events by allowing a low priority process to
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be preempted even if it is in kernel mode executing a system call.
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This allows applications to run more reliably even when the system is
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under load.
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Say Y here if you are building a kernel for a desktop, embedded
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or real-time system. Say N if you are unsure.
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config MN10300_CURRENT_IN_E2
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bool "Hold current task address in E2 register"
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default y
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help
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This option removes the E2/R2 register from the set available to gcc
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for normal use and instead uses it to store the address of the
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current process's task_struct whilst in the kernel.
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This means the kernel doesn't need to calculate the address each time
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"current" is used (take SP, AND with mask and dereference pointer
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just to get the address), and instead can just use E2+offset
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addressing each time.
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This has no effect on userspace.
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config MN10300_USING_JTAG
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bool "Using JTAG to debug kernel"
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default y
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help
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This options indicates that JTAG will be used to debug the kernel. It
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suppresses the use of certain hardware debugging features, such as
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single-stepping, which are taken over completely by the JTAG unit.
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config MN10300_RTC
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bool "Using MN10300 RTC"
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depends on MN10300_PROC_MN103E010
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default n
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help
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This option enables support for the RTC, thus enabling time to be
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tracked, even when system is powered down. This is available on-chip
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on the MN103E010.
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config MN10300_WD_TIMER
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bool "Using MN10300 watchdog timer"
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default y
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help
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This options indicates that the watchdog timer will be used.
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config PCI
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bool "Use PCI"
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depends on MN10300_UNIT_ASB2305
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default y
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help
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Some systems (such as the ASB2305) have PCI onboard. If you have one
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of these boards and you wish to use the PCI facilities, say Y here.
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The PCI-HOWTO, available from
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<http://www.tldp.org/docs.html#howto>, contains valuable
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information about which PCI hardware does work under Linux and which
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doesn't.
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source "drivers/pci/Kconfig"
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source "drivers/pcmcia/Kconfig"
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menu "MN10300 internal serial options"
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config MN10300_PROC_HAS_TTYSM0
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bool
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default n
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config MN10300_PROC_HAS_TTYSM1
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bool
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default n
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config MN10300_PROC_HAS_TTYSM2
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bool
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default n
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config MN10300_TTYSM
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bool "Support for ttySM serial ports"
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depends on MN10300
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default y
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select SERIAL_CORE
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help
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This option enables support for the on-chip serial ports that the
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MN10300 has available.
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config MN10300_TTYSM_CONSOLE
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bool "Support for console on ttySM serial ports"
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depends on MN10300_TTYSM
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select SERIAL_CORE_CONSOLE
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help
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This option enables support for a console on the on-chip serial ports
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that the MN10300 has available.
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#
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# /dev/ttySM0
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#
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config MN10300_TTYSM0
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bool "Enable SIF0 (/dev/ttySM0)"
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depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0
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help
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Enable access to SIF0 through /dev/ttySM0 or gdb-stub
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choice
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prompt "Select the timer to supply the clock for SIF0"
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default MN10300_TTYSM0_TIMER8
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depends on MN10300_TTYSM0
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config MN10300_TTYSM0_TIMER8
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bool "Use timer 8 (16-bit)"
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config MN10300_TTYSM0_TIMER2
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bool "Use timer 2 (8-bit)"
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endchoice
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#
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# /dev/ttySM1
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#
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config MN10300_TTYSM1
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bool "Enable SIF1 (/dev/ttySM1)"
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depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1
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help
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Enable access to SIF1 through /dev/ttySM1 or gdb-stub
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choice
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prompt "Select the timer to supply the clock for SIF1"
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default MN10300_TTYSM0_TIMER9
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depends on MN10300_TTYSM1
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config MN10300_TTYSM1_TIMER9
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bool "Use timer 9 (16-bit)"
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config MN10300_TTYSM1_TIMER3
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bool "Use timer 3 (8-bit)"
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endchoice
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#
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# /dev/ttySM2
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#
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config MN10300_TTYSM2
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bool "Enable SIF2 (/dev/ttySM2)"
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depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2
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help
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Enable access to SIF2 through /dev/ttySM2 or gdb-stub
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choice
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prompt "Select the timer to supply the clock for SIF2"
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default MN10300_TTYSM0_TIMER10
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depends on MN10300_TTYSM2
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config MN10300_TTYSM2_TIMER10
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bool "Use timer 10 (16-bit)"
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endchoice
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config MN10300_TTYSM2_CTS
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bool "Enable the use of the CTS line /dev/ttySM2"
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depends on MN10300_TTYSM2
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endmenu
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source "mm/Kconfig"
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menu "Power management options"
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source kernel/power/Kconfig
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endmenu
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endmenu
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menu "Executable formats"
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source "fs/Kconfig.binfmt"
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endmenu
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source "net/Kconfig"
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source "drivers/Kconfig"
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source "fs/Kconfig"
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source "arch/mn10300/Kconfig.debug"
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source "security/Kconfig"
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source "crypto/Kconfig"
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source "lib/Kconfig"
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