2005-04-17 06:20:36 +08:00
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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/M32R Kernel Configuration"
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config M32R
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bool
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default y
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config SBUS
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bool
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config GENERIC_ISA_DMA
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bool
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default y
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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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default y
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2005-04-17 06:20:36 +08:00
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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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2007-02-11 23:41:31 +08:00
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config NO_IOPORT
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def_bool y
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2007-07-16 14:40:26 +08:00
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config NO_DMA
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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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menu "Processor type and features"
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choice
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prompt "Platform Type"
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default PLAT_MAPPI
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config PLAT_MAPPI
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bool "Mappi-I"
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help
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The Mappi-I is an FPGA board for SOC (System-On-a-Chip) prototyping.
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You can operate a Linux system on this board by using an M32R
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softmacro core, which is a fully-synthesizable functional model
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described in Verilog-HDL.
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The Mappi-I board was the first platform, which had been used
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to port and develop a Linux system for the M32R processor.
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Currently, the Mappi-II, an heir to the Mappi-I, is available.
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config PLAT_USRV
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bool "uServer"
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2007-08-17 16:22:15 +08:00
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select PLAT_HAS_INT1ICU
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2005-04-17 06:20:36 +08:00
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config PLAT_M32700UT
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bool "M32700UT"
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2007-08-17 16:22:15 +08:00
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select PLAT_HAS_INT0ICU
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select PLAT_HAS_INT1ICU
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select PLAT_HAS_INT2ICU
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2005-04-17 06:20:36 +08:00
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help
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The M3T-M32700UT is an evaluation board based on uT-Engine
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specification. This board has an M32700 (Chaos) evaluation chip.
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You can say Y for SMP, because the M32700 is a single chip
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multiprocessor.
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config PLAT_OPSPUT
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bool "OPSPUT"
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2007-08-17 16:22:15 +08:00
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select PLAT_HAS_INT0ICU
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select PLAT_HAS_INT1ICU
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select PLAT_HAS_INT2ICU
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2005-04-17 06:20:36 +08:00
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help
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The OPSPUT is an evaluation board based on uT-Engine
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specification. This board has a OPSP-REP chip.
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config PLAT_OAKS32R
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bool "OAKS32R"
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help
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The OAKS32R is a tiny, inexpensive evaluation board.
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Please note that if you say Y here and choose chip "M32102",
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say N for MMU and select a no-MMU version kernel, otherwise
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a kernel with MMU support will not work, because the M32102
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is a microcontroller for embedded systems and it has no MMU.
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config PLAT_MAPPI2
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bool "Mappi-II(M3A-ZA36/M3A-ZA52)"
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2005-06-22 08:16:10 +08:00
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config PLAT_MAPPI3
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bool "Mappi-III(M3A-2170)"
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2006-01-06 16:18:41 +08:00
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config PLAT_M32104UT
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bool "M32104UT"
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2007-08-17 16:22:15 +08:00
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select PLAT_HAS_INT1ICU
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2006-01-06 16:18:41 +08:00
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help
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The M3T-M32104UT is an reference board based on uT-Engine
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specification. This board has a M32104 chip.
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2005-04-17 06:20:36 +08:00
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endchoice
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choice
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prompt "Processor family"
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default CHIP_M32700
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config CHIP_M32700
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bool "M32700 (Chaos)"
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config CHIP_M32102
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bool "M32102"
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2006-01-06 16:18:41 +08:00
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config CHIP_M32104
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bool "M32104"
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depends on PLAT_M32104UT
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2005-04-17 06:20:36 +08:00
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config CHIP_VDEC2
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bool "VDEC2"
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config CHIP_OPSP
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bool "OPSP"
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endchoice
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config MMU
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bool "Support for memory management hardware"
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depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
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default y
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config TLB_ENTRIES
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int "TLB Entries"
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depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
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default 32 if CHIP_M32700 || CHIP_OPSP
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default 16 if CHIP_VDEC2
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config ISA_M32R
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bool
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2006-01-06 16:18:41 +08:00
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depends on CHIP_M32102 || CHIP_M32104
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2005-04-17 06:20:36 +08:00
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default y
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config ISA_M32R2
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bool
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depends on CHIP_M32700 || CHIP_VDEC2 || CHIP_OPSP
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default y
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config ISA_DSP_LEVEL2
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bool
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depends on CHIP_M32700 || CHIP_OPSP
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default y
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config ISA_DUAL_ISSUE
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bool
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depends on CHIP_M32700 || CHIP_OPSP
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default y
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2007-08-17 16:22:15 +08:00
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config PLAT_HAS_INT0ICU
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bool
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default n
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config PLAT_HAS_INT1ICU
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bool
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default n
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config PLAT_HAS_INT2ICU
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bool
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default n
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2005-04-17 06:20:36 +08:00
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config BUS_CLOCK
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int "Bus Clock [Hz] (integer)"
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default "70000000" if PLAT_MAPPI
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default "25000000" if PLAT_USRV
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2005-06-22 08:16:10 +08:00
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default "50000000" if PLAT_MAPPI3
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2005-04-17 06:20:36 +08:00
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default "50000000" if PLAT_M32700UT
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default "50000000" if PLAT_OPSPUT
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2006-01-06 16:18:41 +08:00
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default "54000000" if PLAT_M32104UT
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2005-04-17 06:20:36 +08:00
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default "33333333" if PLAT_OAKS32R
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default "20000000" if PLAT_MAPPI2
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config TIMER_DIVIDE
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int "Timer divider (integer)"
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default "128"
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config CPU_LITTLE_ENDIAN
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bool "Generate little endian code"
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default n
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config MEMORY_START
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hex "Physical memory start address (hex)"
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2005-06-22 08:16:10 +08:00
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default "08000000" if PLAT_MAPPI || PLAT_MAPPI2 || PLAT_MAPPI3
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2005-04-17 06:20:36 +08:00
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default "08000000" if PLAT_USRV
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default "08000000" if PLAT_M32700UT
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default "08000000" if PLAT_OPSPUT
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2006-01-06 16:18:41 +08:00
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default "04000000" if PLAT_M32104UT
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2005-04-17 06:20:36 +08:00
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default "01000000" if PLAT_OAKS32R
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config MEMORY_SIZE
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hex "Physical memory size (hex)"
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2005-06-22 08:16:10 +08:00
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default "08000000" if PLAT_MAPPI3
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2005-04-17 06:20:36 +08:00
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default "04000000" if PLAT_MAPPI || PLAT_MAPPI2
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default "02000000" if PLAT_USRV
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default "01000000" if PLAT_M32700UT
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default "01000000" if PLAT_OPSPUT
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2006-01-06 16:18:41 +08:00
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default "01000000" if PLAT_M32104UT
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2005-04-17 06:20:36 +08:00
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default "00800000" if PLAT_OAKS32R
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config NOHIGHMEM
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bool
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default y
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2005-06-23 15:07:43 +08:00
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config ARCH_DISCONTIGMEM_ENABLE
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2005-04-17 06:20:36 +08:00
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bool "Internal RAM Support"
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2006-01-06 16:18:41 +08:00
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depends on CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104
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2005-04-17 06:20:36 +08:00
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default y
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2005-06-23 15:07:43 +08:00
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source "mm/Kconfig"
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2005-04-17 06:20:36 +08:00
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config IRAM_START
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hex "Internal memory start address (hex)"
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2006-01-06 16:18:41 +08:00
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default "00f00000" if !CHIP_M32104
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default "00700000" if CHIP_M32104
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depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104) && DISCONTIGMEM
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2005-04-17 06:20:36 +08:00
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config IRAM_SIZE
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hex "Internal memory size (hex)"
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2006-01-06 16:18:41 +08:00
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depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104) && DISCONTIGMEM
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2005-04-17 06:20:36 +08:00
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default "00080000" if CHIP_M32700
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2006-01-06 16:18:41 +08:00
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default "00010000" if CHIP_M32102 || CHIP_OPSP || CHIP_M32104
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2005-04-17 06:20:36 +08:00
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default "00008000" if CHIP_VDEC2
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#
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# Define implied options from the CPU selection here
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#
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2008-01-30 20:31:20 +08:00
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config GENERIC_LOCKBREAK
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bool
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default y
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depends on SMP && PREEMPT
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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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depends on M32R
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default y
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config RWSEM_XCHGADD_ALGORITHM
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bool
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default n
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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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[PATCH] bitops: m32r: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove ffz()
- remove find_{next,first}{,_zero}_bit()
- remove __ffs()
- remove generic_fls()
- remove generic_fls64()
- remove sched_find_first_bit()
- remove generic_ffs()
- remove generic_hweight{32,16,8}()
- 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: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 17:39:26 +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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default y
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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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m32r: fix switch_to macro to push/pop frame pointer if needed
This patch fixes a rarely-happened but severe scheduling problem of
the recent m32r kernel of 2.6.17-rc3 or later.
In the following previous m32r patch, the switch_to macro was
modified not to do unnecessary push/pop operations for tuning.
> [PATCH] m32r: update switch_to macro for tuning
> 4127272c38619c56f0c1aa01d01c7bd757db70a1
In this modification, only 'lr' and 'sp' registers are push/pop'ed,
assuming that the m32r kernel is always compiled with
-fomit-frame-pointer option.
However, in 2.6 kernel, kernel/sched.c is irregularly compiled
with -fno-omit-frame-pointer if CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER
is not defined.
-- kernel/Makefile --
:
ifneq ($(CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER),y)
# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
# needed for x86 only. Why this used to be enabled for all architectures is beyond
# me. I suspect most platforms don't need this, but until we know that for sure
# I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
# to get a correct value for the wait-channel (WCHAN in ps). --davidm
CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
endif
:
---
Therefore, for the recent m32r kernel, we have to push/pop 'fp'
(frame pointer) if CONFIG_FRAME_POINTER is defined or
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER is not defined.
Signed-off-by: Hitoshi Yamamoto <hitoshiy@linux-m32r.org>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-11 13:22:25 +08:00
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config SCHED_NO_NO_OMIT_FRAME_POINTER
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bool
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default y
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2005-04-17 06:20:36 +08:00
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config PREEMPT
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bool "Preemptible Kernel"
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help
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This option reduces the latency of the kernel when reacting to
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real-time or interactive events by allowing a low priority process to
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be preempted even if it is in kernel mode executing a system call.
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This allows applications to run more reliably even when the system is
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under load.
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Say Y here if you are building a kernel for a desktop, embedded
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or real-time system. Say N if you are unsure.
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config SMP
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bool "Symmetric multi-processing support"
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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. The "Advanced Power
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Management" code will be disabled if you say Y here.
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2005-09-10 15:26:22 +08:00
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See also the <file:Documentation/smp.txt>,
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and the SMP-HOWTO available at
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2005-04-17 06:20:36 +08:00
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<http://www.linuxdoc.org/docs.html#howto>.
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If you don't know what to do here, say N.
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config CHIP_M32700_TS1
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bool "Workaround code for the M32700 TS1 chip's bug"
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depends on (CHIP_M32700 && SMP)
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default 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 "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
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approximately eight kilobytes to the kernel image.
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# Common NUMA Features
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config NUMA
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bool "Numa Memory Allocation Support"
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2005-08-24 05:45:11 +08:00
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depends on SMP && BROKEN
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2005-04-17 06:20:36 +08:00
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default n
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2006-04-11 13:53:53 +08:00
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config NODES_SHIFT
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int
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default "1"
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depends on NEED_MULTIPLE_NODES
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2005-04-17 06:20:36 +08:00
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# turning this on wastes a bunch of space.
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# Summit needs it only when NUMA is on
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config BOOT_IOREMAP
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bool
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depends on NUMA
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default n
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endmenu
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menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
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config PCI
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bool "PCI support"
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2005-08-24 05:45:31 +08:00
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depends on BROKEN
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2005-04-17 06:20:36 +08:00
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default n
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help
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Find out whether you have a PCI motherboard. PCI is the name of a
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bus system, i.e. the way the CPU talks to the other stuff inside
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your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
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VESA. If you have PCI, say Y, otherwise N.
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choice
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prompt "PCI access mode"
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depends on PCI
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default PCI_GOANY
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config PCI_GOBIOS
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bool "BIOS"
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---help---
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On PCI systems, the BIOS can be used to detect the PCI devices and
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determine their configuration. However, some old PCI motherboards
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have BIOS bugs and may crash if this is done. Also, some embedded
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PCI-based systems don't have any BIOS at all. Linux can also try to
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detect the PCI hardware directly without using the BIOS.
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With this option, you can specify how Linux should detect the PCI
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devices. If you choose "BIOS", the BIOS will be used, if you choose
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"Direct", the BIOS won't be used, and if you choose "Any", the
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kernel will try the direct access method and falls back to the BIOS
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if that doesn't work. If unsure, go with the default, which is
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"Any".
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config PCI_GODIRECT
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bool "Direct"
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config PCI_GOANY
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bool "Any"
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endchoice
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config PCI_BIOS
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bool
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depends on PCI && (PCI_GOBIOS || PCI_GOANY)
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default y
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config PCI_DIRECT
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bool
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depends on PCI && (PCI_GODIRECT || PCI_GOANY)
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default y
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source "drivers/pci/Kconfig"
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config ISA
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bool "ISA support"
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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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|
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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. If you have ISA, say Y, otherwise N.
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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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|
|
2005-07-12 12:03:49 +08:00
|
|
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source "net/Kconfig"
|
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|
2005-04-17 06:20:36 +08:00
|
|
|
source "drivers/Kconfig"
|
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source "fs/Kconfig"
|
|
|
|
|
|
2007-10-19 14:41:05 +08:00
|
|
|
source "kernel/Kconfig.instrumentation"
|
2005-04-17 06:20:36 +08:00
|
|
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source "arch/m32r/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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