forked from Minki/linux
0e3a9aab95
SH-4A parts generally don't have any use for this, and it requires an alternate implementation anyways. Leave this as an SH-4 only option, as that's the only place this has been needed in the past. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
768 lines
19 KiB
Plaintext
768 lines
19 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/SuperH Kernel Configuration"
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config SUPERH
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bool
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default y
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select EMBEDDED
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help
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The SuperH is a RISC processor targeted for use in embedded systems
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and consumer electronics; it was also used in the Sega Dreamcast
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gaming console. The SuperH port has a home page at
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<http://www.linux-sh.org/>.
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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_BUG
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def_bool y
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depends on BUG
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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_HARDIRQS
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bool
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default y
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config GENERIC_IRQ_PROBE
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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 GENERIC_IOMAP
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bool
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config GENERIC_TIME
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def_bool n
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config GENERIC_CLOCKEVENTS
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def_bool n
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config SYS_SUPPORTS_PM
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bool
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config SYS_SUPPORTS_APM_EMULATION
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bool
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select SYS_SUPPORTS_PM
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config SYS_SUPPORTS_SMP
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bool
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config SYS_SUPPORTS_NUMA
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bool
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config SYS_SUPPORTS_PCI
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bool
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config ARCH_MAY_HAVE_PC_FDC
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bool
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config STACKTRACE_SUPPORT
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bool
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default y
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config LOCKDEP_SUPPORT
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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 ARCH_NO_VIRT_TO_BUS
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def_bool y
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source "init/Kconfig"
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menu "System type"
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source "arch/sh/mm/Kconfig"
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menu "Processor features"
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choice
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prompt "Endianess selection"
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default CPU_LITTLE_ENDIAN
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help
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Some SuperH machines can be configured for either little or big
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endian byte order. These modes require different kernels.
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config CPU_LITTLE_ENDIAN
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bool "Little Endian"
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config CPU_BIG_ENDIAN
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bool "Big Endian"
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endchoice
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config SH_FPU
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bool "FPU support"
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depends on CPU_HAS_FPU
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default y
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help
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Selecting this option will enable support for SH processors that
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have FPU units (ie, SH77xx).
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This option must be set in order to enable the FPU.
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config SH_FPU_EMU
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bool "FPU emulation support"
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depends on !SH_FPU && EXPERIMENTAL
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default n
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help
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Selecting this option will enable support for software FPU emulation.
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Most SH-3 users will want to say Y here, whereas most SH-4 users will
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want to say N.
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config SH_DSP
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bool "DSP support"
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depends on CPU_HAS_DSP
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default y
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help
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Selecting this option will enable support for SH processors that
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have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
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This option must be set in order to enable the DSP.
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config SH_ADC
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bool "ADC support"
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depends on CPU_SH3
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default y
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help
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Selecting this option will allow the Linux kernel to use SH3 on-chip
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ADC module.
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If unsure, say N.
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config SH_STORE_QUEUES
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bool "Support for Store Queues"
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depends on CPU_SH4
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help
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Selecting this option will enable an in-kernel API for manipulating
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the store queues integrated in the SH-4 processors.
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config SPECULATIVE_EXECUTION
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bool "Speculative subroutine return"
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depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
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help
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This enables support for a speculative instruction fetch for
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subroutine return. There are various pitfalls associated with
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this, as outlined in the SH7780 hardware manual.
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If unsure, say N.
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config CPU_HAS_INTEVT
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bool
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config CPU_HAS_MASKREG_IRQ
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bool
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config CPU_HAS_IPR_IRQ
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bool
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config CPU_HAS_SR_RB
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bool
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help
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This will enable the use of SR.RB register bank usage. Processors
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that are lacking this bit must have another method in place for
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accomplishing what is taken care of by the banked registers.
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See <file:Documentation/sh/register-banks.txt> for further
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information on SR.RB and register banking in the kernel in general.
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config CPU_HAS_PTEA
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bool
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config CPU_HAS_DSP
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bool
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config CPU_HAS_FPU
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bool
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endmenu
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menu "Board support"
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config SOLUTION_ENGINE
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bool
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config SH_SOLUTION_ENGINE
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bool "SolutionEngine"
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select SOLUTION_ENGINE
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select CPU_HAS_IPR_IRQ
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depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
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CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
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CPU_SUBTYPE_SH7750R
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help
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Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
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SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
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config SH_7206_SOLUTION_ENGINE
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bool "SolutionEngine7206"
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select SOLUTION_ENGINE
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depends on CPU_SUBTYPE_SH7206
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help
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Select 7206 SolutionEngine if configuring for a Hitachi SH7206
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evaluation board.
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config SH_7619_SOLUTION_ENGINE
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bool "SolutionEngine7619"
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select SOLUTION_ENGINE
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depends on CPU_SUBTYPE_SH7619
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help
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Select 7619 SolutionEngine if configuring for a Hitachi SH7619
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evaluation board.
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config SH_7722_SOLUTION_ENGINE
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bool "SolutionEngine7722"
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select SOLUTION_ENGINE
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depends on CPU_SUBTYPE_SH7722
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help
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Select 7722 SolutionEngine if configuring for a Hitachi SH772
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evaluation board.
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config SH_7751_SOLUTION_ENGINE
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bool "SolutionEngine7751"
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select SOLUTION_ENGINE
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select CPU_HAS_IPR_IRQ
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depends on CPU_SUBTYPE_SH7751
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help
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Select 7751 SolutionEngine if configuring for a Hitachi SH7751
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evaluation board.
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config SH_7780_SOLUTION_ENGINE
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bool "SolutionEngine7780"
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select SOLUTION_ENGINE
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select SYS_SUPPORTS_PCI
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depends on CPU_SUBTYPE_SH7780
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help
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Select 7780 SolutionEngine if configuring for a Renesas SH7780
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evaluation board.
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config SH_7343_SOLUTION_ENGINE
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bool "SolutionEngine7343"
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select SOLUTION_ENGINE
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depends on CPU_SUBTYPE_SH7343
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help
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Select 7343 SolutionEngine if configuring for a Hitachi
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SH7343 (SH-Mobile 3AS) evaluation board.
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config SH_7751_SYSTEMH
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bool "SystemH7751R"
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depends on CPU_SUBTYPE_SH7751R
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help
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Select SystemH if you are configuring for a Renesas SystemH
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7751R evaluation board.
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config SH_HP6XX
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bool "HP6XX"
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select SYS_SUPPORTS_APM_EMULATION
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select HD6446X_SERIES
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depends on CPU_SUBTYPE_SH7709
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help
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Select HP6XX if configuring for a HP jornada HP6xx.
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More information (hardware only) at
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<http://www.hp.com/jornada/>.
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config SH_DREAMCAST
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bool "Dreamcast"
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select SYS_SUPPORTS_PCI
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depends on CPU_SUBTYPE_SH7091
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help
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Select Dreamcast if configuring for a SEGA Dreamcast.
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More information at <http://www.linux-sh.org>
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config SH_MPC1211
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bool "Interface MPC1211"
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depends on CPU_SUBTYPE_SH7751 && BROKEN
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help
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CTP/PCI-SH02 is a CPU module computer that is produced
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by Interface Corporation.
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More information at <http://www.interface.co.jp>
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config SH_SH03
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bool "Interface CTP/PCI-SH03"
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depends on CPU_SUBTYPE_SH7751
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select CPU_HAS_IPR_IRQ
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select SYS_SUPPORTS_PCI
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help
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CTP/PCI-SH03 is a CPU module computer that is produced
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by Interface Corporation.
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More information at <http://www.interface.co.jp>
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config SH_SECUREEDGE5410
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bool "SecureEdge5410"
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depends on CPU_SUBTYPE_SH7751R
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select CPU_HAS_IPR_IRQ
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select SYS_SUPPORTS_PCI
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help
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Select SecureEdge5410 if configuring for a SnapGear SH board.
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This includes both the OEM SecureEdge products as well as the
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SME product line.
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config SH_HS7751RVOIP
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bool "HS7751RVOIP"
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depends on CPU_SUBTYPE_SH7751R
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help
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Select HS7751RVOIP if configuring for a Renesas Technology
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Sales VoIP board.
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config SH_7710VOIPGW
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bool "SH7710-VOIP-GW"
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depends on CPU_SUBTYPE_SH7710
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help
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Select this option to build a kernel for the SH7710 based
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VOIP GW.
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config SH_RTS7751R2D
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bool "RTS7751R2D"
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depends on CPU_SUBTYPE_SH7751R
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select SYS_SUPPORTS_PCI
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help
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Select RTS7751R2D if configuring for a Renesas Technology
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Sales SH-Graphics board.
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config SH_HIGHLANDER
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bool "Highlander"
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depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
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select SYS_SUPPORTS_PCI
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config SH_EDOSK7705
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bool "EDOSK7705"
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depends on CPU_SUBTYPE_SH7705
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config SH_SH4202_MICRODEV
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bool "SH4-202 MicroDev"
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depends on CPU_SUBTYPE_SH4_202
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help
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Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
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with an SH4-202 CPU.
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config SH_LANDISK
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bool "LANDISK"
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depends on CPU_SUBTYPE_SH7751R
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select SYS_SUPPORTS_PCI
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help
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I-O DATA DEVICE, INC. "LANDISK Series" support.
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config SH_TITAN
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bool "TITAN"
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depends on CPU_SUBTYPE_SH7751R
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select CPU_HAS_IPR_IRQ
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select SYS_SUPPORTS_PCI
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help
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Select Titan if you are configuring for a Nimble Microsystems
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NetEngine NP51R.
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config SH_SHMIN
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bool "SHMIN"
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depends on CPU_SUBTYPE_SH7706
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select CPU_HAS_IPR_IRQ
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help
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Select SHMIN if configuring for the SHMIN board.
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config SH_LBOX_RE2
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bool "L-BOX RE2"
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depends on CPU_SUBTYPE_SH7751R
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select SYS_SUPPORTS_PCI
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help
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Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
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config SH_X3PROTO
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bool "SH-X3 Prototype board"
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depends on CPU_SUBTYPE_SHX3
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config SH_MAGIC_PANEL_R2
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bool "Magic Panel R2"
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depends on CPU_SUBTYPE_SH7720
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help
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Select Magic Panel R2 if configuring for Magic Panel R2.
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endmenu
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source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
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source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
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source "arch/sh/boards/renesas/r7780rp/Kconfig"
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source "arch/sh/boards/magicpanelr2/Kconfig"
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menu "Timer and clock configuration"
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config SH_TMU
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bool "TMU timer support"
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depends on CPU_SH3 || CPU_SH4
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select GENERIC_TIME
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select GENERIC_CLOCKEVENTS
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default y
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help
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This enables the use of the TMU as the system timer.
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config SH_CMT
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bool "CMT timer support"
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depends on CPU_SH2
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default y
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help
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This enables the use of the CMT as the system timer.
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config SH_MTU2
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bool "MTU2 timer support"
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depends on CPU_SH2A
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default n
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help
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This enables the use of the MTU2 as the system timer.
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config SH_TIMER_IRQ
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int
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default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
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default "86" if CPU_SUBTYPE_SH7619
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default "140" if CPU_SUBTYPE_SH7206
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default "16"
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config SH_PCLK_FREQ
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int "Peripheral clock frequency (in Hz)"
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default "27000000" if CPU_SUBTYPE_SH7343
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default "31250000" if CPU_SUBTYPE_SH7619
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default "32000000" if CPU_SUBTYPE_SH7722
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default "33333333" if CPU_SUBTYPE_SH7770 || \
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CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
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CPU_SUBTYPE_SH7206
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default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
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default "66000000" if CPU_SUBTYPE_SH4_202
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default "50000000"
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help
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This option is used to specify the peripheral clock frequency.
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This is necessary for determining the reference clock value on
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platforms lacking an RTC.
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config SH_CLK_MD
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int "CPU Mode Pin Setting"
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depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
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default 6 if CPU_SUBTYPE_SH7206
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default 5 if CPU_SUBTYPE_SH7619
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default 0
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help
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MD2 - MD0 pin setting.
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source "kernel/time/Kconfig"
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endmenu
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menu "CPU Frequency scaling"
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source "drivers/cpufreq/Kconfig"
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config SH_CPU_FREQ
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tristate "SuperH CPU Frequency driver"
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depends on CPU_FREQ
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select CPU_FREQ_TABLE
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help
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This adds the cpufreq driver for SuperH. At present, only
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the SH-4 is supported.
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For details, take a look at <file:Documentation/cpu-freq>.
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If unsure, say N.
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endmenu
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source "arch/sh/drivers/Kconfig"
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endmenu
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config ISA_DMA_API
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bool
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depends on SH_MPC1211
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default y
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menu "Kernel features"
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source kernel/Kconfig.hz
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config KEXEC
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bool "kexec system call (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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help
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kexec is a system call that implements the ability to shutdown your
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current kernel, and to start another kernel. It is like a reboot
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but it is independent of the system firmware. And like a reboot
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you can start any kernel with it, not just Linux.
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The name comes from the similarity to the exec system call.
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It is an ongoing process to be certain the hardware in a machine
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is properly shutdown, so do not be surprised if this code does not
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initially work for you. It may help to enable device hotplugging
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support. As of this writing the exact hardware interface is
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strongly in flux, so no good recommendation can be made.
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config CRASH_DUMP
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bool "kernel crash dumps (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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help
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Generate crash dump after being started by kexec.
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This should be normally only set in special crash dump kernels
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which are loaded in the main kernel with kexec-tools into
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a specially reserved region and then later executed after
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a crash by kdump/kexec. The crash dump kernel must be compiled
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to a memory address not used by the main kernel using
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MEMORY_START.
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For more details see Documentation/kdump/kdump.txt
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config SMP
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bool "Symmetric multi-processing support"
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depends on SYS_SUPPORTS_SMP
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---help---
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This enables support for systems with more than one CPU. If you have
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a system with only one CPU, like most personal computers, say N. If
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you have a system with more than one CPU, say Y.
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If you say N here, the kernel will run on single and multiprocessor
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machines, but will use only one CPU of a multiprocessor machine. If
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you say Y here, the kernel will run on many, but not all,
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singleprocessor machines. On a singleprocessor machine, the kernel
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will run faster if you say N here.
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People using multiprocessor machines who say Y here should also say
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Y to "Enhanced Real Time Clock Support", below.
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See also the <file:Documentation/smp.txt>,
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<file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
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at <http://www.tldp.org/docs.html#howto>.
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If you don't know what to do here, say N.
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config NR_CPUS
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int "Maximum number of CPUs (2-32)"
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range 2 32
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depends on SMP
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default "4" if CPU_SHX3
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default "2"
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help
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This allows you to specify the maximum number of CPUs which this
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kernel will support. The maximum supported value is 32 and the
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minimum value which makes sense is 2.
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This is purely to save memory - each supported CPU adds
|
|
approximately eight kilobytes to the kernel image.
|
|
|
|
source "kernel/Kconfig.preempt"
|
|
|
|
config GUSA
|
|
def_bool y
|
|
depends on !SMP
|
|
help
|
|
This enables support for gUSA (general UserSpace Atomicity).
|
|
This is the default implementation for both UP and non-ll/sc
|
|
CPUs, and is used by the libc, amongst others.
|
|
|
|
For additional information, design information can be found
|
|
in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
|
|
|
|
This should only be disabled for special cases where alternate
|
|
atomicity implementations exist.
|
|
|
|
endmenu
|
|
|
|
menu "Boot options"
|
|
|
|
config ZERO_PAGE_OFFSET
|
|
hex "Zero page offset"
|
|
default "0x00004000" if SH_MPC1211 || SH_SH03
|
|
default "0x00010000" if PAGE_SIZE_64KB
|
|
default "0x00002000" if PAGE_SIZE_8KB
|
|
default "0x00001000"
|
|
help
|
|
This sets the default offset of zero page.
|
|
|
|
config BOOT_LINK_OFFSET
|
|
hex "Link address offset for booting"
|
|
default "0x00800000"
|
|
help
|
|
This option allows you to set the link address offset of the zImage.
|
|
This can be useful if you are on a board which has a small amount of
|
|
memory.
|
|
|
|
config UBC_WAKEUP
|
|
bool "Wakeup UBC on startup"
|
|
depends on CPU_SH4 && !CPU_SH4A
|
|
help
|
|
Selecting this option will wakeup the User Break Controller (UBC) on
|
|
startup. Although the UBC is left in an awake state when the processor
|
|
comes up, some boot loaders misbehave by putting the UBC to sleep in a
|
|
power saving state, which causes issues with things like ptrace().
|
|
|
|
If unsure, say N.
|
|
|
|
config CMDLINE_BOOL
|
|
bool "Default bootloader kernel arguments"
|
|
|
|
config CMDLINE
|
|
string "Initial kernel command string"
|
|
depends on CMDLINE_BOOL
|
|
default "console=ttySC1,115200"
|
|
|
|
endmenu
|
|
|
|
menu "Bus options"
|
|
|
|
# Even on SuperH devices which don't have an ISA bus,
|
|
# this variable helps the PCMCIA modules handle
|
|
# IRQ requesting properly -- Greg Banks.
|
|
#
|
|
# Though we're generally not interested in it when
|
|
# we're not using PCMCIA, so we make it dependent on
|
|
# PCMCIA outright. -- PFM.
|
|
config ISA
|
|
def_bool y
|
|
depends on PCMCIA && HD6446X_SERIES
|
|
help
|
|
Find out whether you have ISA slots on your motherboard. ISA is the
|
|
name of a bus system, i.e. the way the CPU talks to the other stuff
|
|
inside your box. Other bus systems are PCI, EISA, MicroChannel
|
|
(MCA) or VESA. ISA is an older system, now being displaced by PCI;
|
|
newer boards don't support it. If you have ISA, say Y, otherwise N.
|
|
|
|
config EISA
|
|
bool
|
|
---help---
|
|
The Extended Industry Standard Architecture (EISA) bus was
|
|
developed as an open alternative to the IBM MicroChannel bus.
|
|
|
|
The EISA bus provided some of the features of the IBM MicroChannel
|
|
bus while maintaining backward compatibility with cards made for
|
|
the older ISA bus. The EISA bus saw limited use between 1988 and
|
|
1995 when it was made obsolete by the PCI bus.
|
|
|
|
Say Y here if you are building a kernel for an EISA-based machine.
|
|
|
|
Otherwise, say N.
|
|
|
|
config MCA
|
|
bool
|
|
help
|
|
MicroChannel Architecture is found in some IBM PS/2 machines and
|
|
laptops. It is a bus system similar to PCI or ISA. See
|
|
<file:Documentation/mca.txt> (and especially the web page given
|
|
there) before attempting to build an MCA bus kernel.
|
|
|
|
config SBUS
|
|
bool
|
|
|
|
config SUPERHYWAY
|
|
tristate "SuperHyway Bus support"
|
|
depends on CPU_SUBTYPE_SH4_202
|
|
|
|
config MAPLE
|
|
bool "Maple Bus support"
|
|
depends on SH_DREAMCAST
|
|
help
|
|
The Maple Bus is SEGA's serial communication bus for peripherals
|
|
on the Dreamcast. Without this bus support you won't be able to
|
|
get your Dreamcast keyboard etc to work, so most users
|
|
probably want to say 'Y' here, unless you are only using the
|
|
Dreamcast with a serial line terminal or a remote network
|
|
connection.
|
|
|
|
config CF_ENABLER
|
|
bool "Compact Flash Enabler support"
|
|
depends on SOLUTION_ENGINE || SH_SH03
|
|
---help---
|
|
Compact Flash is a small, removable mass storage device introduced
|
|
in 1994 originally as a PCMCIA device. If you say `Y' here, you
|
|
compile in support for Compact Flash devices directly connected to
|
|
a SuperH processor. A Compact Flash FAQ is available at
|
|
<http://www.compactflash.org/faqs/faq.htm>.
|
|
|
|
If your board has "Directly Connected" CompactFlash at area 5 or 6,
|
|
you may want to enable this option. Then, you can use CF as
|
|
primary IDE drive (only tested for SanDisk).
|
|
|
|
If in doubt, select 'N'.
|
|
|
|
choice
|
|
prompt "Compact Flash Connection Area"
|
|
depends on CF_ENABLER
|
|
default CF_AREA6
|
|
|
|
config CF_AREA5
|
|
bool "Area5"
|
|
help
|
|
If your board has "Directly Connected" CompactFlash, You should
|
|
select the area where your CF is connected to.
|
|
|
|
- "Area5" if CompactFlash is connected to Area 5 (0x14000000)
|
|
- "Area6" if it is connected to Area 6 (0x18000000)
|
|
|
|
"Area6" will work for most boards.
|
|
|
|
config CF_AREA6
|
|
bool "Area6"
|
|
|
|
endchoice
|
|
|
|
config CF_BASE_ADDR
|
|
hex
|
|
depends on CF_ENABLER
|
|
default "0xb8000000" if CF_AREA6
|
|
default "0xb4000000" if CF_AREA5
|
|
|
|
source "arch/sh/drivers/pci/Kconfig"
|
|
|
|
source "drivers/pci/Kconfig"
|
|
|
|
source "drivers/pcmcia/Kconfig"
|
|
|
|
source "drivers/pci/hotplug/Kconfig"
|
|
|
|
endmenu
|
|
|
|
menu "Executable file formats"
|
|
|
|
source "fs/Kconfig.binfmt"
|
|
|
|
endmenu
|
|
|
|
menu "Power management options (EXPERIMENTAL)"
|
|
depends on EXPERIMENTAL && SYS_SUPPORTS_PM
|
|
|
|
source kernel/power/Kconfig
|
|
|
|
endmenu
|
|
|
|
source "net/Kconfig"
|
|
|
|
source "drivers/Kconfig"
|
|
|
|
source "fs/Kconfig"
|
|
|
|
source "kernel/Kconfig.instrumentation"
|
|
|
|
source "arch/sh/Kconfig.debug"
|
|
|
|
source "security/Kconfig"
|
|
|
|
source "crypto/Kconfig"
|
|
|
|
source "lib/Kconfig"
|