2005-04-17 00:20:36 +02:00
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#
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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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2006-09-27 11:18:31 +02:00
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select EMBEDDED
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2005-04-17 00:20:36 +02:00
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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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2007-03-08 11:41:21 +01:00
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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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[PATCH] bitops: sh: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove find_{next,first}{,_zero}_bit()
- remove generic_ffs()
- remove generic_hweight{32,16,8}()
- remove sched_find_first_bit()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove ext2_{set,clear}_bit_atomic()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
- remove generic_fls()
- remove generic_fls64()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 11:39:35 +02:00
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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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2005-04-17 00:20:36 +02:00
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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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2006-01-17 07:14:19 +01:00
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config GENERIC_IOMAP
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bool
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2006-10-04 06:21:45 +02:00
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config GENERIC_TIME
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def_bool n
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2007-05-09 10:33:24 +02:00
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config GENERIC_CLOCKEVENTS
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def_bool n
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2007-06-11 08:32:07 +02:00
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config SYS_SUPPORTS_PM
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bool
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2007-01-24 13:56:20 +01:00
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config SYS_SUPPORTS_APM_EMULATION
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bool
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2007-06-11 08:32:07 +02:00
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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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2007-01-24 13:56:20 +01:00
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2005-09-06 02:48:42 +02:00
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config ARCH_MAY_HAVE_PC_FDC
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bool
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2006-12-04 10:17:28 +01:00
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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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2006-12-08 11:37:49 +01:00
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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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2007-07-25 04:18:00 +02:00
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config ARCH_NO_VIRT_TO_BUS
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def_bool y
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2005-04-17 00:20:36 +02:00
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source "init/Kconfig"
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menu "System type"
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2007-05-14 10:29:12 +02:00
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source "arch/sh/mm/Kconfig"
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menu "Processor features"
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2006-09-27 11:09:34 +02:00
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2005-04-17 00:20:36 +02:00
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choice
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2007-05-14 10:29:12 +02:00
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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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2007-09-11 11:10:23 +02:00
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depends on CPU_HAS_FPU
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2007-05-14 10:29:12 +02:00
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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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2007-07-25 09:26:10 +02:00
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depends on CPU_HAS_DSP
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default y
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2007-05-14 10:29:12 +02:00
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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 "CPU has SR.RB"
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depends on CPU_SH3 || CPU_SH4
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default y
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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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2007-07-25 09:26:10 +02:00
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config CPU_HAS_DSP
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bool
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2007-09-11 11:10:23 +02:00
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config CPU_HAS_FPU
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bool
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2007-05-14 10:29:12 +02:00
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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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2005-04-17 00:20:36 +02:00
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config SH_SOLUTION_ENGINE
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bool "SolutionEngine"
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2006-09-27 11:09:34 +02:00
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select SOLUTION_ENGINE
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2007-07-20 11:44:49 +02:00
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select CPU_HAS_IPR_IRQ
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750
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2005-04-17 00:20:36 +02:00
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help
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Select SolutionEngine if configuring for a Hitachi SH7709
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or SH7750 evaluation board.
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2007-05-14 10:29:12 +02:00
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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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2007-05-01 02:45:29 +02:00
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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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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7722
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2007-05-01 02:45:29 +02:00
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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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2005-04-17 00:20:36 +02:00
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config SH_7751_SOLUTION_ENGINE
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bool "SolutionEngine7751"
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2006-09-27 11:09:34 +02:00
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select SOLUTION_ENGINE
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2007-07-20 11:44:49 +02:00
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select CPU_HAS_IPR_IRQ
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7751
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2005-04-17 00:20:36 +02:00
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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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2007-03-28 17:07:35 +02:00
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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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2007-06-11 08:32:07 +02:00
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select SYS_SUPPORTS_PCI
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7780
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2007-03-28 17:07:35 +02:00
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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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2005-04-17 00:20:36 +02:00
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2006-09-27 11:09:34 +02:00
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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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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7343
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2006-09-27 11:09:34 +02:00
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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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2005-04-17 00:20:36 +02:00
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config SH_7751_SYSTEMH
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bool "SystemH7751R"
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7751R
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2005-04-17 00:20:36 +02:00
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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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2006-01-17 07:14:19 +01:00
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config SH_HP6XX
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bool "HP6XX"
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2007-01-24 13:56:20 +01:00
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select SYS_SUPPORTS_APM_EMULATION
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2007-06-11 08:32:07 +02:00
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select HD6446X_SERIES
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7709
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2005-04-17 00:20:36 +02:00
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help
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2006-01-17 07:14:19 +01:00
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Select HP6XX if configuring for a HP jornada HP6xx.
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2005-04-17 00:20:36 +02:00
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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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2007-06-11 08:32:07 +02:00
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select SYS_SUPPORTS_PCI
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7091
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2005-04-17 00:20:36 +02:00
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help
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Select Dreamcast if configuring for a SEGA Dreamcast.
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2007-10-15 03:38:31 +02:00
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More information at <http://www.linux-sh.org>
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2005-04-17 00:20:36 +02:00
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config SH_MPC1211
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2006-01-17 07:14:19 +01:00
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bool "Interface MPC1211"
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7751 && BROKEN
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2006-01-17 07:14:19 +01:00
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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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2005-04-17 00:20:36 +02:00
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config SH_SH03
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2006-01-17 07:14:19 +01:00
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bool "Interface CTP/PCI-SH03"
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2007-08-03 07:23:35 +02:00
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depends on CPU_SUBTYPE_SH7751
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2007-07-20 11:44:49 +02:00
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select CPU_HAS_IPR_IRQ
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2007-06-11 08:32:07 +02:00
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select SYS_SUPPORTS_PCI
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2005-04-17 00:20:36 +02:00
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help
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2006-01-17 07:14:19 +01:00
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CTP/PCI-SH03 is a CPU module computer that is produced
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2005-04-17 00:20:36 +02:00
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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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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7751R
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2007-07-20 11:44:49 +02:00
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select CPU_HAS_IPR_IRQ
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2007-06-11 08:32:07 +02:00
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select SYS_SUPPORTS_PCI
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2005-04-17 00:20:36 +02:00
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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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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7751R
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2005-04-17 00:20:36 +02:00
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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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2006-09-27 11:08:33 +02:00
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config SH_7710VOIPGW
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bool "SH7710-VOIP-GW"
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2007-05-14 10:29:12 +02:00
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depends on CPU_SUBTYPE_SH7710
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2006-09-27 11:08:33 +02:00
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help
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Select this option to build a kernel for the SH7710 based
|
|
|
|
VOIP GW.
|
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
config SH_RTS7751R2D
|
|
|
|
bool "RTS7751R2D"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7751R
|
2007-06-11 08:32:07 +02:00
|
|
|
select SYS_SUPPORTS_PCI
|
2005-04-17 00:20:36 +02:00
|
|
|
help
|
|
|
|
Select RTS7751R2D if configuring for a Renesas Technology
|
|
|
|
Sales SH-Graphics board.
|
|
|
|
|
2007-03-12 06:38:59 +01:00
|
|
|
config SH_HIGHLANDER
|
|
|
|
bool "Highlander"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
|
2007-06-11 08:32:07 +02:00
|
|
|
select SYS_SUPPORTS_PCI
|
2006-01-17 07:14:19 +01:00
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
config SH_EDOSK7705
|
|
|
|
bool "EDOSK7705"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7705
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
config SH_SH4202_MICRODEV
|
|
|
|
bool "SH4-202 MicroDev"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH4_202
|
2005-04-17 00:20:36 +02:00
|
|
|
help
|
|
|
|
Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
|
|
|
|
with an SH4-202 CPU.
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config SH_LANDISK
|
|
|
|
bool "LANDISK"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7751R
|
2007-06-11 08:32:07 +02:00
|
|
|
select SYS_SUPPORTS_PCI
|
2006-01-17 07:14:19 +01:00
|
|
|
help
|
|
|
|
I-O DATA DEVICE, INC. "LANDISK Series" support.
|
|
|
|
|
|
|
|
config SH_TITAN
|
|
|
|
bool "TITAN"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7751R
|
2007-07-20 11:44:49 +02:00
|
|
|
select CPU_HAS_IPR_IRQ
|
2007-06-11 08:32:07 +02:00
|
|
|
select SYS_SUPPORTS_PCI
|
2006-01-17 07:14:19 +01:00
|
|
|
help
|
|
|
|
Select Titan if you are configuring for a Nimble Microsystems
|
|
|
|
NetEngine NP51R.
|
|
|
|
|
2006-09-27 10:41:31 +02:00
|
|
|
config SH_SHMIN
|
|
|
|
bool "SHMIN"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7706
|
2007-07-20 11:44:49 +02:00
|
|
|
select CPU_HAS_IPR_IRQ
|
2006-09-27 10:41:31 +02:00
|
|
|
help
|
2006-11-30 05:22:59 +01:00
|
|
|
Select SHMIN if configuring for the SHMIN board.
|
2006-09-27 10:41:31 +02:00
|
|
|
|
2007-03-26 07:27:43 +02:00
|
|
|
config SH_LBOX_RE2
|
|
|
|
bool "L-BOX RE2"
|
2007-05-14 10:29:12 +02:00
|
|
|
depends on CPU_SUBTYPE_SH7751R
|
2007-06-11 08:32:07 +02:00
|
|
|
select SYS_SUPPORTS_PCI
|
2007-03-26 07:27:43 +02:00
|
|
|
help
|
|
|
|
Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
|
2006-11-05 07:40:13 +01:00
|
|
|
|
2007-08-08 08:22:04 +02:00
|
|
|
config SH_X3PROTO
|
|
|
|
bool "SH-X3 Prototype board"
|
|
|
|
depends on CPU_SUBTYPE_SHX3
|
|
|
|
|
2007-09-12 04:54:58 +02:00
|
|
|
config SH_MAGIC_PANEL_R2
|
|
|
|
bool "Magic Panel R2"
|
|
|
|
depends on CPU_SUBTYPE_SH7720
|
|
|
|
help
|
|
|
|
Select Magic Panel R2 if configuring for Magic Panel R2.
|
|
|
|
|
2007-05-14 10:29:12 +02:00
|
|
|
endmenu
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2007-03-12 06:38:59 +01:00
|
|
|
source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
|
|
|
|
source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
|
|
|
|
source "arch/sh/boards/renesas/r7780rp/Kconfig"
|
2007-09-12 04:54:58 +02:00
|
|
|
source "arch/sh/boards/magicpanelr2/Kconfig"
|
2007-03-12 06:38:59 +01:00
|
|
|
|
|
|
|
menu "Timer and clock configuration"
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config SH_TMU
|
|
|
|
bool "TMU timer support"
|
2006-11-05 07:40:13 +01:00
|
|
|
depends on CPU_SH3 || CPU_SH4
|
2007-05-09 10:33:24 +02:00
|
|
|
select GENERIC_TIME
|
|
|
|
select GENERIC_CLOCKEVENTS
|
2005-04-17 00:20:36 +02:00
|
|
|
default y
|
|
|
|
help
|
2006-01-17 07:14:19 +01:00
|
|
|
This enables the use of the TMU as the system timer.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-11-05 07:40:13 +01:00
|
|
|
config SH_CMT
|
|
|
|
bool "CMT timer support"
|
|
|
|
depends on CPU_SH2
|
|
|
|
default y
|
|
|
|
help
|
|
|
|
This enables the use of the CMT as the system timer.
|
|
|
|
|
|
|
|
config SH_MTU2
|
|
|
|
bool "MTU2 timer support"
|
|
|
|
depends on CPU_SH2A
|
|
|
|
default n
|
|
|
|
help
|
|
|
|
This enables the use of the MTU2 as the system timer.
|
|
|
|
|
2006-11-20 03:18:30 +01:00
|
|
|
config SH_TIMER_IRQ
|
|
|
|
int
|
2007-03-12 06:38:59 +01:00
|
|
|
default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
|
2006-11-20 03:18:30 +01:00
|
|
|
default "86" if CPU_SUBTYPE_SH7619
|
|
|
|
default "140" if CPU_SUBTYPE_SH7206
|
|
|
|
default "16"
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config SH_PCLK_FREQ
|
|
|
|
int "Peripheral clock frequency (in Hz)"
|
2007-07-25 03:49:21 +02:00
|
|
|
default "27000000" if CPU_SUBTYPE_SH7343
|
2006-11-05 07:40:13 +01:00
|
|
|
default "31250000" if CPU_SUBTYPE_SH7619
|
2007-05-15 09:25:47 +02:00
|
|
|
default "32000000" if CPU_SUBTYPE_SH7722
|
2007-07-25 04:42:56 +02:00
|
|
|
default "33333333" if CPU_SUBTYPE_SH7770 || \
|
2006-11-05 07:40:13 +01:00
|
|
|
CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
|
|
|
|
CPU_SUBTYPE_SH7206
|
2007-05-15 09:25:47 +02:00
|
|
|
default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
|
2006-01-17 07:14:19 +01:00
|
|
|
default "66000000" if CPU_SUBTYPE_SH4_202
|
2007-05-15 09:25:47 +02:00
|
|
|
default "50000000"
|
2005-04-17 00:20:36 +02:00
|
|
|
help
|
2006-01-17 07:14:19 +01:00
|
|
|
This option is used to specify the peripheral clock frequency.
|
|
|
|
This is necessary for determining the reference clock value on
|
|
|
|
platforms lacking an RTC.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-11-05 07:40:13 +01:00
|
|
|
config SH_CLK_MD
|
|
|
|
int "CPU Mode Pin Setting"
|
|
|
|
depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
|
2007-06-11 08:32:07 +02:00
|
|
|
default 6 if CPU_SUBTYPE_SH7206
|
|
|
|
default 5 if CPU_SUBTYPE_SH7619
|
|
|
|
default 0
|
2006-11-05 07:40:13 +01:00
|
|
|
help
|
2006-12-07 10:07:27 +01:00
|
|
|
MD2 - MD0 pin setting.
|
2006-11-05 07:40:13 +01:00
|
|
|
|
2007-05-09 10:33:24 +02:00
|
|
|
source "kernel/time/Kconfig"
|
|
|
|
|
2007-03-12 06:38:59 +01:00
|
|
|
endmenu
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
menu "CPU Frequency scaling"
|
|
|
|
|
|
|
|
source "drivers/cpufreq/Kconfig"
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config SH_CPU_FREQ
|
|
|
|
tristate "SuperH CPU Frequency driver"
|
2007-07-20 06:38:19 +02:00
|
|
|
depends on CPU_FREQ
|
2006-01-17 07:14:19 +01:00
|
|
|
select CPU_FREQ_TABLE
|
2005-04-17 00:20:36 +02:00
|
|
|
help
|
2006-01-17 07:14:19 +01:00
|
|
|
This adds the cpufreq driver for SuperH. At present, only
|
|
|
|
the SH-4 is supported.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
For details, take a look at <file:Documentation/cpu-freq>.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
If unsure, say N.
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
endmenu
|
|
|
|
|
2006-11-24 03:22:57 +01:00
|
|
|
source "arch/sh/drivers/Kconfig"
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
endmenu
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config ISA_DMA_API
|
|
|
|
bool
|
2006-02-17 22:52:42 +01:00
|
|
|
depends on SH_MPC1211
|
2006-01-17 07:14:19 +01:00
|
|
|
default y
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
menu "Kernel features"
|
|
|
|
|
2006-09-27 11:08:33 +02:00
|
|
|
source kernel/Kconfig.hz
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config KEXEC
|
|
|
|
bool "kexec system call (EXPERIMENTAL)"
|
|
|
|
depends on EXPERIMENTAL
|
2005-04-17 00:20:36 +02:00
|
|
|
help
|
2006-01-17 07:14:19 +01:00
|
|
|
kexec is a system call that implements the ability to shutdown your
|
|
|
|
current kernel, and to start another kernel. It is like a reboot
|
2006-06-29 07:32:47 +02:00
|
|
|
but it is independent of the system firmware. And like a reboot
|
2006-01-17 07:14:19 +01:00
|
|
|
you can start any kernel with it, not just Linux.
|
|
|
|
|
2006-06-29 07:32:47 +02:00
|
|
|
The name comes from the similarity to the exec system call.
|
2006-01-17 07:14:19 +01:00
|
|
|
|
|
|
|
It is an ongoing process to be certain the hardware in a machine
|
|
|
|
is properly shutdown, so do not be surprised if this code does not
|
|
|
|
initially work for you. It may help to enable device hotplugging
|
|
|
|
support. As of this writing the exact hardware interface is
|
|
|
|
strongly in flux, so no good recommendation can be made.
|
|
|
|
|
2007-04-27 04:25:57 +02:00
|
|
|
config CRASH_DUMP
|
|
|
|
bool "kernel crash dumps (EXPERIMENTAL)"
|
|
|
|
depends on EXPERIMENTAL
|
|
|
|
help
|
|
|
|
Generate crash dump after being started by kexec.
|
|
|
|
This should be normally only set in special crash dump kernels
|
|
|
|
which are loaded in the main kernel with kexec-tools into
|
|
|
|
a specially reserved region and then later executed after
|
|
|
|
a crash by kdump/kexec. The crash dump kernel must be compiled
|
|
|
|
to a memory address not used by the main kernel using
|
|
|
|
MEMORY_START.
|
|
|
|
|
|
|
|
For more details see Documentation/kdump/kdump.txt
|
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
config SMP
|
|
|
|
bool "Symmetric multi-processing support"
|
2007-06-11 08:32:07 +02:00
|
|
|
depends on SYS_SUPPORTS_SMP
|
2005-04-17 00:20:36 +02:00
|
|
|
---help---
|
|
|
|
This enables support for systems with more than one CPU. If you have
|
|
|
|
a system with only one CPU, like most personal computers, say N. If
|
|
|
|
you have a system with more than one CPU, say Y.
|
|
|
|
|
|
|
|
If you say N here, the kernel will run on single and multiprocessor
|
|
|
|
machines, but will use only one CPU of a multiprocessor machine. If
|
|
|
|
you say Y here, the kernel will run on many, but not all,
|
|
|
|
singleprocessor machines. On a singleprocessor machine, the kernel
|
|
|
|
will run faster if you say N here.
|
|
|
|
|
|
|
|
People using multiprocessor machines who say Y here should also say
|
|
|
|
Y to "Enhanced Real Time Clock Support", below.
|
|
|
|
|
|
|
|
See also the <file:Documentation/smp.txt>,
|
|
|
|
<file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
|
|
|
|
at <http://www.tldp.org/docs.html#howto>.
|
|
|
|
|
|
|
|
If you don't know what to do here, say N.
|
|
|
|
|
|
|
|
config NR_CPUS
|
|
|
|
int "Maximum number of CPUs (2-32)"
|
|
|
|
range 2 32
|
|
|
|
depends on SMP
|
2007-06-20 11:27:10 +02:00
|
|
|
default "4" if CPU_SHX3
|
2005-04-17 00:20:36 +02:00
|
|
|
default "2"
|
|
|
|
help
|
|
|
|
This allows you to specify the maximum number of CPUs which this
|
|
|
|
kernel will support. The maximum supported value is 32 and the
|
|
|
|
minimum value which makes sense is 2.
|
|
|
|
|
|
|
|
This is purely to save memory - each supported CPU adds
|
|
|
|
approximately eight kilobytes to the kernel image.
|
|
|
|
|
2006-09-27 11:08:33 +02:00
|
|
|
source "kernel/Kconfig.preempt"
|
|
|
|
|
2007-09-28 09:04:49 +02:00
|
|
|
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.
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
endmenu
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
menu "Boot options"
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config ZERO_PAGE_OFFSET
|
|
|
|
hex "Zero page offset"
|
|
|
|
default "0x00004000" if SH_MPC1211 || SH_SH03
|
2006-12-26 07:29:19 +01:00
|
|
|
default "0x00010000" if PAGE_SIZE_64KB
|
|
|
|
default "0x00002000" if PAGE_SIZE_8KB
|
2006-01-17 07:14:19 +01:00
|
|
|
default "0x00001000"
|
2005-04-17 00:20:36 +02:00
|
|
|
help
|
2006-01-17 07:14:19 +01:00
|
|
|
This sets the default offset of zero page.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
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.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config UBC_WAKEUP
|
|
|
|
bool "Wakeup UBC on startup"
|
2007-06-11 08:32:07 +02:00
|
|
|
depends on CPU_SH4
|
2006-01-17 07:14:19 +01:00
|
|
|
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().
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
If unsure, say N.
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config CMDLINE_BOOL
|
|
|
|
bool "Default bootloader kernel arguments"
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
config CMDLINE
|
|
|
|
string "Initial kernel command string"
|
|
|
|
depends on CMDLINE_BOOL
|
|
|
|
default "console=ttySC1,115200"
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
endmenu
|
|
|
|
|
2006-01-17 07:14:19 +01:00
|
|
|
menu "Bus options"
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2005-04-17 00:20:36 +02:00
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# Even on SuperH devices which don't have an ISA bus,
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# this variable helps the PCMCIA modules handle
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# IRQ requesting properly -- Greg Banks.
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#
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# Though we're generally not interested in it when
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# we're not using PCMCIA, so we make it dependent on
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# PCMCIA outright. -- PFM.
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config ISA
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2007-06-11 08:32:07 +02:00
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def_bool y
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depends on PCMCIA && HD6446X_SERIES
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2005-04-17 00:20:36 +02:00
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help
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Find out whether you have ISA slots on your motherboard. ISA is the
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name of a bus system, i.e. the way the CPU talks to the other stuff
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inside your box. Other bus systems are PCI, EISA, MicroChannel
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(MCA) or VESA. ISA is an older system, now being displaced by PCI;
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newer boards don't support it. If you have ISA, say Y, otherwise N.
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config EISA
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bool
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---help---
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The Extended Industry Standard Architecture (EISA) bus was
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developed as an open alternative to the IBM MicroChannel bus.
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The EISA bus provided some of the features of the IBM MicroChannel
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bus while maintaining backward compatibility with cards made for
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the older ISA bus. The EISA bus saw limited use between 1988 and
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1995 when it was made obsolete by the PCI bus.
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Say Y here if you are building a kernel for an EISA-based machine.
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Otherwise, say N.
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config MCA
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bool
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help
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MicroChannel Architecture is found in some IBM PS/2 machines and
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laptops. It is a bus system similar to PCI or ISA. See
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<file:Documentation/mca.txt> (and especially the web page given
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there) before attempting to build an MCA bus kernel.
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config SBUS
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bool
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2006-01-17 07:14:19 +01:00
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config SUPERHYWAY
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tristate "SuperHyway Bus support"
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depends on CPU_SUBTYPE_SH4_202
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2005-04-17 00:20:36 +02:00
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2007-09-21 08:55:55 +02:00
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config MAPLE
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bool "Maple Bus support"
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depends on SH_DREAMCAST
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help
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The Maple Bus is SEGA's serial communication bus for peripherals
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on the Dreamcast. Without this bus support you won't be able to
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get your Dreamcast keyboard etc to work, so most users
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probably want to say 'Y' here, unless you are only using the
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Dreamcast with a serial line terminal or a remote network
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connection.
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2007-06-20 11:01:52 +02:00
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config CF_ENABLER
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bool "Compact Flash Enabler support"
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depends on SOLUTION_ENGINE || SH_SH03
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---help---
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Compact Flash is a small, removable mass storage device introduced
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in 1994 originally as a PCMCIA device. If you say `Y' here, you
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compile in support for Compact Flash devices directly connected to
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a SuperH processor. A Compact Flash FAQ is available at
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<http://www.compactflash.org/faqs/faq.htm>.
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If your board has "Directly Connected" CompactFlash at area 5 or 6,
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you may want to enable this option. Then, you can use CF as
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primary IDE drive (only tested for SanDisk).
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If in doubt, select 'N'.
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choice
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prompt "Compact Flash Connection Area"
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depends on CF_ENABLER
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default CF_AREA6
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config CF_AREA5
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bool "Area5"
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help
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If your board has "Directly Connected" CompactFlash, You should
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select the area where your CF is connected to.
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- "Area5" if CompactFlash is connected to Area 5 (0x14000000)
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- "Area6" if it is connected to Area 6 (0x18000000)
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"Area6" will work for most boards.
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config CF_AREA6
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bool "Area6"
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endchoice
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config CF_BASE_ADDR
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hex
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depends on CF_ENABLER
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default "0xb8000000" if CF_AREA6
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default "0xb4000000" if CF_AREA5
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2005-04-17 00:20:36 +02:00
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source "arch/sh/drivers/pci/Kconfig"
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source "drivers/pci/Kconfig"
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source "drivers/pcmcia/Kconfig"
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source "drivers/pci/hotplug/Kconfig"
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endmenu
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menu "Executable file formats"
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source "fs/Kconfig.binfmt"
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endmenu
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2006-09-27 09:20:22 +02:00
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menu "Power management options (EXPERIMENTAL)"
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2007-06-11 08:32:07 +02:00
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depends on EXPERIMENTAL && SYS_SUPPORTS_PM
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2006-09-27 09:20:22 +02:00
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source kernel/power/Kconfig
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endmenu
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2005-07-12 06:03:49 +02:00
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source "net/Kconfig"
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2005-04-17 00:20:36 +02:00
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source "drivers/Kconfig"
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source "fs/Kconfig"
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2007-10-19 08:41:05 +02:00
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source "kernel/Kconfig.instrumentation"
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2005-04-17 00:20:36 +02:00
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source "arch/sh/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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