2005-04-17 06:20:36 +08:00
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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/SPARC Kernel Configuration"
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2008-11-16 05:40:12 +08:00
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config SPARC
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bool
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default y
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select HAVE_IDE
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select HAVE_OPROFILE
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2008-11-17 12:01:17 +08:00
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select HAVE_ARCH_KGDB if !SMP || SPARC64
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2008-11-16 05:40:12 +08:00
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select HAVE_ARCH_TRACEHOOK
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select RTC_CLASS
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select RTC_DRV_M48T59
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# Identify this as a Sparc32 build
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config SPARC32
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bool
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2008-11-17 12:01:17 +08:00
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default y if ARCH = "sparc"
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2008-11-16 05:40:12 +08:00
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help
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SPARC is a family of RISC microprocessors designed and marketed by
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Sun Microsystems, incorporated. They are very widely found in Sun
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workstations and clones. This port covers the original 32-bit SPARC;
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it is old and stable and usually considered one of the "big three"
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along with the Intel and Alpha ports. The UltraLinux project
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maintains both the SPARC32 and SPARC64 ports; its web page is
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available at <http://www.ultralinux.org/>.
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2008-11-17 12:01:17 +08:00
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config SPARC64
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bool
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default y if ARCH = "sparc64"
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select HAVE_FUNCTION_TRACER
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select HAVE_KRETPROBES
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select HAVE_KPROBES
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select HAVE_LMB
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select USE_GENERIC_SMP_HELPERS if SMP
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select RTC_DRV_CMOS
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select RTC_DRV_BQ4802
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select RTC_DRV_SUN4V
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select RTC_DRV_STARFIRE
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2008-12-03 15:17:12 +08:00
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config ARCH_DEFCONFIG
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string
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default "arch/sparc/configs/sparc32_defconfig" if SPARC32
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default "arch/sparc/configs/sparc64_defconfig" if SPARC64
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2008-11-17 12:01:17 +08:00
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config 64BIT
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def_bool y if SPARC64
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config GENERIC_TIME
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bool
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default y if SPARC64
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config GENERIC_CMOS_UPDATE
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bool
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default y if SPARC64
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config GENERIC_CLOCKEVENTS
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bool
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default y if SPARC64
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config IOMMU_HELPER
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bool
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default y if SPARC64
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config QUICKLIST
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bool
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default y if SPARC64
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config STACKTRACE_SUPPORT
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bool
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default y if SPARC64
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config LOCKDEP_SUPPORT
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bool
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default y if SPARC64
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2008-11-28 17:19:41 +08:00
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config HAVE_LATENCYTOP_SUPPORT
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bool
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default y if SPARC64
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2008-11-17 12:01:17 +08:00
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config AUDIT_ARCH
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bool
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default y if SPARC64
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config HAVE_SETUP_PER_CPU_AREA
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def_bool y if SPARC64
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config GENERIC_HARDIRQS_NO__DO_IRQ
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bool
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def_bool y if SPARC64
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2005-04-17 06:20:36 +08:00
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config MMU
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bool
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default y
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config HIGHMEM
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bool
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2008-11-17 12:01:17 +08:00
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default y if SPARC32
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2005-04-17 06:20:36 +08:00
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2007-02-10 17:43:14 +08:00
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config ZONE_DMA
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bool
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2008-11-17 12:01:17 +08:00
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default y if SPARC32
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2007-02-10 17:43:14 +08:00
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2005-04-17 06:20:36 +08:00
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config GENERIC_ISA_DMA
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bool
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2008-11-17 12:01:17 +08:00
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default y if SPARC32
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2005-04-17 06:20:36 +08:00
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2008-08-21 14:03:24 +08:00
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config GENERIC_GPIO
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bool
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help
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Generic GPIO API support
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2007-07-18 15:09:30 +08:00
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config ARCH_NO_VIRT_TO_BUS
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def_bool y
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2007-05-01 14:26:07 +08:00
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config OF
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def_bool y
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2005-04-17 06:20:36 +08:00
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source "init/Kconfig"
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2008-10-19 11:27:21 +08:00
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source "kernel/Kconfig.freezer"
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2008-11-17 12:01:17 +08:00
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menu "Processor type and features"
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2005-04-17 06:20:36 +08:00
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config SMP
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bool "Symmetric multi-processing support (does not work on sun4/sun4c)"
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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, say N. If you have a system with more
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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. The "Advanced Power
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Management" code will be disabled if you say Y here.
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2008-02-03 21:50:21 +08:00
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See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
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available at <http://www.tldp.org/docs.html#howto>.
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2005-04-17 06:20:36 +08:00
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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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2008-11-17 12:01:17 +08:00
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int "Maximum number of CPUs"
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2005-04-17 06:20:36 +08:00
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depends on SMP
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2008-11-17 12:01:17 +08:00
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range 2 32 if SPARC32
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range 2 1024 if SPARC64
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default 32 if SPARC32
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default 64 if SPARC64
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2005-04-17 06:20:36 +08:00
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2008-11-17 12:01:17 +08:00
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source kernel/Kconfig.hz
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2005-04-17 06:20:36 +08:00
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config RWSEM_GENERIC_SPINLOCK
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bool
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2008-11-17 12:01:17 +08:00
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default y if SPARC32
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2005-04-17 06:20:36 +08:00
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config RWSEM_XCHGADD_ALGORITHM
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bool
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2008-11-17 12:01:17 +08:00
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default y if SPARC64
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2005-04-17 06:20:36 +08:00
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[PATCH] bitops: sparc: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove ffz()
- remove __ffs()
- remove sched_find_first_bit()
- remove ffs()
- remove generic_fls()
- remove generic_fls64()
- remove generic_hweight{32,16,8}()
- remove find_{next,first}{,_zero}_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()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 17:39:39 +08:00
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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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2008-11-17 12:01:17 +08:00
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default y if !ULTRA_HAS_POPULATION_COUNT
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[PATCH] bitops: sparc: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove ffz()
- remove __ffs()
- remove sched_find_first_bit()
- remove ffs()
- remove generic_fls()
- remove generic_fls64()
- remove generic_hweight{32,16,8}()
- remove find_{next,first}{,_zero}_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()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 17:39:39 +08:00
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2005-04-17 06:20:36 +08:00
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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2005-09-06 08:48:42 +08:00
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config ARCH_MAY_HAVE_PC_FDC
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bool
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default y
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2006-12-08 18:37:49 +08:00
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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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2007-05-29 16:11:57 +08:00
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config EMULATED_CMPXCHG
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bool
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2008-11-17 12:01:17 +08:00
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default y if SPARC32
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2007-05-29 16:11:57 +08:00
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help
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Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
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is emulated, and therefore it is not completely atomic.
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2008-12-03 19:08:37 +08:00
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# Makefile helpers
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config SPARC32_SMP
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bool
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default y
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depends on SPARC32 && SMP
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config SPARC64_SMP
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bool
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default y
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depends on SPARC64 && SMP
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2008-11-17 12:01:17 +08:00
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choice
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prompt "Kernel page size" if SPARC64
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default SPARC64_PAGE_SIZE_8KB
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config SPARC64_PAGE_SIZE_8KB
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bool "8KB"
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help
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This lets you select the page size of the kernel.
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8KB and 64KB work quite well, since SPARC ELF sections
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provide for up to 64KB alignment.
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If you don't know what to do, choose 8KB.
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config SPARC64_PAGE_SIZE_64KB
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bool "64KB"
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endchoice
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config SECCOMP
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bool "Enable seccomp to safely compute untrusted bytecode"
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depends on SPARC64 && PROC_FS
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default y
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help
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This kernel feature is useful for number crunching applications
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that may need to compute untrusted bytecode during their
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execution. By using pipes or other transports made available to
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the process as file descriptors supporting the read/write
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syscalls, it's possible to isolate those applications in
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their own address space using seccomp. Once seccomp is
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enabled via /proc/<pid>/seccomp, it cannot be disabled
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and the task is only allowed to execute a few safe syscalls
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defined by each seccomp mode.
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If unsure, say Y. Only embedded should say N here.
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config HOTPLUG_CPU
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bool "Support for hot-pluggable CPUs"
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depends on SPARC64 && SMP
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select HOTPLUG
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help
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Say Y here to experiment with turning CPUs off and on. CPUs
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can be controlled through /sys/devices/system/cpu/cpu#.
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Say N if you want to disable CPU hotplug.
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config GENERIC_HARDIRQS
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bool
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default y if SPARC64
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source "kernel/time/Kconfig"
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if SPARC64
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source "drivers/cpufreq/Kconfig"
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config US3_FREQ
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tristate "UltraSPARC-III 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 UltraSPARC-III processors.
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For details, take a look at <file:Documentation/cpu-freq>.
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If in doubt, say N.
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config US2E_FREQ
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tristate "UltraSPARC-IIe 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 UltraSPARC-IIe processors.
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For details, take a look at <file:Documentation/cpu-freq>.
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If in doubt, say N.
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endif
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config US3_MC
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tristate "UltraSPARC-III Memory Controller driver"
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depends on SPARC64
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default y
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help
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This adds a driver for the UltraSPARC-III memory controller.
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Loading this driver allows exact mnemonic strings to be
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printed in the event of a memory error, so that the faulty DIMM
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on the motherboard can be matched to the error.
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If in doubt, say Y, as this information can be very useful.
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# Global things across all Sun machines.
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config GENERIC_LOCKBREAK
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2005-04-17 06:20:36 +08:00
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bool
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default y
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2008-11-17 12:01:17 +08:00
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depends on SPARC64 && SMP && PREEMPT
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choice
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prompt "SPARC64 Huge TLB Page Size"
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depends on SPARC64 && HUGETLB_PAGE
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default HUGETLB_PAGE_SIZE_4MB
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config HUGETLB_PAGE_SIZE_4MB
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bool "4MB"
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config HUGETLB_PAGE_SIZE_512K
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bool "512K"
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config HUGETLB_PAGE_SIZE_64K
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depends on !SPARC64_PAGE_SIZE_64KB
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bool "64K"
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endchoice
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config NUMA
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bool "NUMA support"
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depends on SPARC64 && SMP
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config NODES_SHIFT
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int
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default "4"
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depends on NEED_MULTIPLE_NODES
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# Some NUMA nodes have memory ranges that span
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# other nodes. Even though a pfn is valid and
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# between a node's start and end pfns, it may not
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# reside on that node. See memmap_init_zone()
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# for details.
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config NODES_SPAN_OTHER_NODES
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def_bool y
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depends on NEED_MULTIPLE_NODES
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config ARCH_POPULATES_NODE_MAP
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def_bool y if SPARC64
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config ARCH_SELECT_MEMORY_MODEL
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def_bool y if SPARC64
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|
|
|
|
config ARCH_SPARSEMEM_ENABLE
|
|
|
|
def_bool y if SPARC64
|
|
|
|
select SPARSEMEM_VMEMMAP_ENABLE
|
|
|
|
|
|
|
|
config ARCH_SPARSEMEM_DEFAULT
|
|
|
|
def_bool y if SPARC64
|
|
|
|
|
|
|
|
source "mm/Kconfig"
|
|
|
|
|
|
|
|
config SCHED_SMT
|
|
|
|
bool "SMT (Hyperthreading) scheduler support"
|
|
|
|
depends on SPARC64 && SMP
|
|
|
|
default y
|
|
|
|
help
|
|
|
|
SMT scheduler support improves the CPU scheduler's decision making
|
|
|
|
when dealing with SPARC cpus at a cost of slightly increased overhead
|
|
|
|
in some places. If unsure say N here.
|
|
|
|
|
|
|
|
config SCHED_MC
|
|
|
|
bool "Multi-core scheduler support"
|
|
|
|
depends on SPARC64 && SMP
|
|
|
|
default y
|
|
|
|
help
|
|
|
|
Multi-core scheduler support improves the CPU scheduler's decision
|
|
|
|
making when dealing with multi-core CPU chips at a cost of slightly
|
|
|
|
increased overhead in some places. If unsure say N here.
|
|
|
|
|
|
|
|
if SPARC64
|
|
|
|
source "kernel/Kconfig.preempt"
|
|
|
|
endif
|
|
|
|
|
|
|
|
config CMDLINE_BOOL
|
|
|
|
bool "Default bootloader kernel arguments"
|
|
|
|
depends on SPARC64
|
|
|
|
|
|
|
|
config CMDLINE
|
|
|
|
string "Initial kernel command string"
|
|
|
|
depends on CMDLINE_BOOL
|
|
|
|
default "console=ttyS0,9600 root=/dev/sda1"
|
|
|
|
help
|
|
|
|
Say Y here if you want to be able to pass default arguments to
|
|
|
|
the kernel. This will be overridden by the bootloader, if you
|
|
|
|
use one (such as SILO). This is most useful if you want to boot
|
|
|
|
a kernel from TFTP, and want default options to be available
|
|
|
|
with having them passed on the command line.
|
|
|
|
|
|
|
|
NOTE: This option WILL override the PROM bootargs setting!
|
|
|
|
|
|
|
|
config SUN_PM
|
|
|
|
bool
|
|
|
|
default y if SPARC32
|
2005-04-17 06:20:36 +08:00
|
|
|
help
|
|
|
|
Enable power management and CPU standby features on supported
|
|
|
|
SPARC platforms.
|
|
|
|
|
2008-11-16 05:44:31 +08:00
|
|
|
config SPARC_LED
|
|
|
|
tristate "Sun4m LED driver"
|
2008-11-17 12:01:17 +08:00
|
|
|
depends on SPARC32
|
2008-11-16 05:44:31 +08:00
|
|
|
help
|
|
|
|
This driver toggles the front-panel LED on sun4m systems
|
|
|
|
in a user-specifiable manner. Its state can be probed
|
|
|
|
by reading /proc/led and its blinking mode can be changed
|
|
|
|
via writes to /proc/led
|
|
|
|
|
2008-11-17 12:01:17 +08:00
|
|
|
config SERIAL_CONSOLE
|
|
|
|
bool
|
|
|
|
depends on SPARC32
|
|
|
|
default y
|
|
|
|
---help---
|
|
|
|
If you say Y here, it will be possible to use a serial port as the
|
|
|
|
system console (the system console is the device which receives all
|
|
|
|
kernel messages and warnings and which allows logins in single user
|
|
|
|
mode). This could be useful if some terminal or printer is connected
|
|
|
|
to that serial port.
|
|
|
|
|
|
|
|
Even if you say Y here, the currently visible virtual console
|
|
|
|
(/dev/tty0) will still be used as the system console by default, but
|
|
|
|
you can alter that using a kernel command line option such as
|
|
|
|
"console=ttyS1". (Try "man bootparam" or see the documentation of
|
|
|
|
your boot loader (silo) about how to pass options to the kernel at
|
|
|
|
boot time.)
|
|
|
|
|
|
|
|
If you don't have a graphics card installed and you say Y here, the
|
|
|
|
kernel will automatically use the first serial line, /dev/ttyS0, as
|
|
|
|
system console.
|
|
|
|
|
|
|
|
If unsure, say N.
|
2008-11-16 05:44:31 +08:00
|
|
|
|
|
|
|
endmenu
|
|
|
|
|
|
|
|
menu "Bus options (PCI etc.)"
|
|
|
|
config ISA
|
|
|
|
bool
|
|
|
|
help
|
|
|
|
ISA is found on Espresso only and is not supported currently.
|
|
|
|
|
|
|
|
config ISAPNP
|
|
|
|
bool
|
|
|
|
help
|
|
|
|
ISAPNP is not supported
|
|
|
|
|
|
|
|
config EISA
|
|
|
|
bool
|
|
|
|
help
|
|
|
|
EISA is not supported.
|
|
|
|
|
|
|
|
config MCA
|
|
|
|
bool
|
|
|
|
help
|
|
|
|
MCA is not supported.
|
|
|
|
|
|
|
|
config SBUS
|
|
|
|
bool
|
|
|
|
default y
|
|
|
|
|
|
|
|
config SBUSCHAR
|
|
|
|
bool
|
|
|
|
default y
|
|
|
|
|
|
|
|
config SUN_IO
|
|
|
|
bool
|
|
|
|
default y
|
|
|
|
|
2008-11-17 12:01:17 +08:00
|
|
|
config SUN_LDOMS
|
|
|
|
bool "Sun Logical Domains support"
|
|
|
|
depends on SPARC64
|
|
|
|
help
|
|
|
|
Say Y here is you want to support virtual devices via
|
|
|
|
Logical Domains.
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
config PCI
|
|
|
|
bool "Support for PCI and PS/2 keyboard/mouse"
|
2008-11-17 12:01:17 +08:00
|
|
|
select ARCH_SUPPORTS_MSI if SPARC64
|
2005-04-17 06:20:36 +08:00
|
|
|
help
|
2008-11-17 12:01:17 +08:00
|
|
|
Find out whether your system includes a PCI bus. PCI is the name of
|
|
|
|
a bus system, i.e. the way the CPU talks to the other stuff inside
|
|
|
|
your box. If you say Y here, the kernel will include drivers and
|
|
|
|
infrastructure code to support PCI bus devices.
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
|
|
|
|
CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
|
|
|
|
All of these platforms are extremely obscure, so say N if unsure.
|
|
|
|
|
2008-11-17 12:01:17 +08:00
|
|
|
config PCI_DOMAINS
|
|
|
|
def_bool PCI if SPARC64
|
|
|
|
|
2007-07-11 00:54:40 +08:00
|
|
|
config PCI_SYSCALL
|
|
|
|
def_bool PCI
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
source "drivers/pci/Kconfig"
|
|
|
|
|
2008-11-24 13:50:16 +08:00
|
|
|
source "drivers/pcmcia/Kconfig"
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
config SUN_OPENPROMFS
|
|
|
|
tristate "Openprom tree appears in /proc/openprom"
|
|
|
|
help
|
|
|
|
If you say Y, the OpenPROM device tree will be available as a
|
|
|
|
virtual file system, which you can mount to /proc/openprom by "mount
|
|
|
|
-t openpromfs none /proc/openprom".
|
|
|
|
|
|
|
|
To compile the /proc/openprom support as a module, choose M here: the
|
|
|
|
module will be called openpromfs.
|
|
|
|
|
|
|
|
Only choose N if you know in advance that you will not need to modify
|
|
|
|
OpenPROM settings on the running system.
|
|
|
|
|
2008-12-03 19:08:37 +08:00
|
|
|
# Makefile helpers
|
|
|
|
config SPARC32_PCI
|
|
|
|
bool
|
|
|
|
default y
|
|
|
|
depends on SPARC32 && PCI
|
|
|
|
|
|
|
|
config SPARC64_PCI
|
|
|
|
bool
|
|
|
|
default y
|
|
|
|
depends on SPARC64 && PCI
|
2005-06-23 15:10:18 +08:00
|
|
|
|
|
|
|
endmenu
|
|
|
|
|
2008-11-16 05:43:49 +08:00
|
|
|
menu "Executable file formats"
|
|
|
|
|
|
|
|
source "fs/Kconfig.binfmt"
|
|
|
|
|
2008-11-17 12:01:17 +08:00
|
|
|
config COMPAT
|
|
|
|
bool
|
|
|
|
depends on SPARC64
|
|
|
|
default y
|
|
|
|
select COMPAT_BINFMT_ELF
|
|
|
|
|
|
|
|
config SYSVIPC_COMPAT
|
|
|
|
bool
|
|
|
|
depends on COMPAT && SYSVIPC
|
|
|
|
default y
|
|
|
|
|
2008-11-16 05:43:49 +08:00
|
|
|
endmenu
|
|
|
|
|
2005-07-12 12:03:49 +08:00
|
|
|
source "net/Kconfig"
|
|
|
|
|
2005-06-23 15:10:18 +08:00
|
|
|
source "drivers/Kconfig"
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
source "drivers/sbus/char/Kconfig"
|
|
|
|
|
|
|
|
source "fs/Kconfig"
|
|
|
|
|
|
|
|
source "arch/sparc/Kconfig.debug"
|
|
|
|
|
|
|
|
source "security/Kconfig"
|
|
|
|
|
|
|
|
source "crypto/Kconfig"
|
|
|
|
|
|
|
|
source "lib/Kconfig"
|