Kconfig 51.6 KB
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config MIPS
	bool
	default y
	# Horrible source of confusion.  Die, die, die ...
	select EMBEDDED

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mainmenu "Linux/MIPS Kernel Configuration"

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menu "Machine selection"

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config ZONE_DMA
	bool
	default y

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choice
	prompt "System type"
	default SGI_IP22
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config MIPS_MTX1
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	bool "4G Systems MTX-1 board"
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	select DMA_NONCOHERENT
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	select HW_HAS_PCI
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	select RESOURCES_64BIT if PCI
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	select SOC_AU1500
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_BOSPORUS
	bool "AMD Alchemy Bosporus board"
	select SOC_AU1500
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	select DMA_NONCOHERENT
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_PB1000
	bool "AMD Alchemy PB1000 board"
	select SOC_AU1000
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	select DMA_NONCOHERENT
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	select HW_HAS_PCI
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	select RESOURCES_64BIT if PCI
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_PB1100
	bool "AMD Alchemy PB1100 board"
	select SOC_AU1100
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
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	select RESOURCES_64BIT if PCI
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_PB1500
	bool "AMD Alchemy PB1500 board"
	select SOC_AU1500
	select DMA_NONCOHERENT
	select HW_HAS_PCI
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	select RESOURCES_64BIT if PCI
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_PB1550
	bool "AMD Alchemy PB1550 board"
	select SOC_AU1550
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	select DMA_NONCOHERENT
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	select HW_HAS_PCI
	select MIPS_DISABLE_OBSOLETE_IDE
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	select RESOURCES_64BIT if PCI
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_PB1200
	bool "AMD Alchemy PB1200 board"
	select SOC_AU1200
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	select DMA_NONCOHERENT
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	select MIPS_DISABLE_OBSOLETE_IDE
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	select RESOURCES_64BIT if PCI
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_DB1000
	bool "AMD Alchemy DB1000 board"
	select SOC_AU1000
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	select DMA_NONCOHERENT
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	select HW_HAS_PCI
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	select RESOURCES_64BIT if PCI
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_DB1100
	bool "AMD Alchemy DB1100 board"
	select SOC_AU1100
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	select DMA_NONCOHERENT
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_DB1500
	bool "AMD Alchemy DB1500 board"
	select SOC_AU1500
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	select DMA_NONCOHERENT
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	select HW_HAS_PCI
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	select MIPS_DISABLE_OBSOLETE_IDE
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	select RESOURCES_64BIT if PCI
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_DB1550
	bool "AMD Alchemy DB1550 board"
	select SOC_AU1550
	select HW_HAS_PCI
	select DMA_NONCOHERENT
	select MIPS_DISABLE_OBSOLETE_IDE
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	select RESOURCES_64BIT if PCI
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_DB1200
	bool "AMD Alchemy DB1200 board"
	select SOC_AU1200
	select DMA_COHERENT
	select MIPS_DISABLE_OBSOLETE_IDE
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MIPS_MIRAGE
	bool "AMD Alchemy Mirage board"
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	select DMA_NONCOHERENT
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	select SOC_AU1500
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	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config BASLER_EXCITE
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	bool "Basler eXcite smart camera"
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	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
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	select MIPS_RM9122
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	select SYS_HAS_CPU_RM9000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_KGDB
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	help
	  The eXcite is a smart camera platform manufactured by
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	  Basler Vision Technologies AG.
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config BASLER_EXCITE_PROTOTYPE
	bool "Support for pre-release units"
	depends on BASLER_EXCITE
	default n
	help
	  Pre-series (prototype) units are different from later ones in
	  some ways. Select this option if you have one of these. Please
	  note that a kernel built with this option selected will not be
	  able to run on normal units.

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config MIPS_COBALT
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	bool "Cobalt Server"
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select I8259
	select IRQ_CPU
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	select MIPS_GT64111
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	select SYS_HAS_CPU_NEVADA
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select GENERIC_HARDIRQS_NO__DO_IRQ
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config MACH_DECSTATION
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	bool "DECstations"
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	select BOOT_ELF32
	select DMA_NONCOHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select IRQ_CPU
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	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
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	help
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	  This enables support for DEC's MIPS based workstations.  For details
	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
	  DECstation porting pages on <http://decstation.unix-ag.org/>.

	  If you have one of the following DECstation Models you definitely
	  want to choose R4xx0 for the CPU Type:

	  	DECstation 5000/50
	  	DECstation 5000/150
	  	DECstation 5000/260
	  	DECsystem 5900/260

	  otherwise choose R3000.

config MIPS_EV64120
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	bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
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	depends on EXPERIMENTAL
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select MIPS_GT64120
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	select SYS_HAS_CPU_R5000
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_KGDB
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	help
	  This is an evaluation board based on the Galileo GT-64120
	  single-chip system controller that contains a MIPS R5000 compatible
	  core running at 75/100MHz.  Their website is located at
	  <http://www.marvell.com/>.  Say Y here if you wish to build a
	  kernel for this platform.

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config MACH_JAZZ
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	bool "Jazz family of machines"
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	select ARC
	select ARC32
	select ARCH_MAY_HAVE_PC_FDC
	select GENERIC_ISA_DMA
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	select I8253
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	select I8259
	select ISA
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	select SYS_HAS_CPU_R4X00
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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	select SYS_SUPPORTS_100HZ
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	select GENERIC_HARDIRQS_NO__DO_IRQ
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	help
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	 This a family of machines based on the MIPS R4030 chipset which was
	 used by several vendors to build RISC/os and Windows NT workstations.
	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
	 Olivetti M700-10 workstations.

config LASAT
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	bool "LASAT Networks platforms"
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	select DMA_NONCOHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select HW_HAS_PCI
	select MIPS_GT64120
	select MIPS_NILE4
	select R5000_CPU_SCACHE
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	select SYS_HAS_CPU_R5000
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select GENERIC_HARDIRQS_NO__DO_IRQ
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config MIPS_ATLAS
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	bool "MIPS Atlas board"
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	select BOOT_ELF32
	select DMA_NONCOHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select IRQ_CPU
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	select HW_HAS_PCI
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	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
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	select MIPS_GT64120
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	select MIPS_MSC
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	select RM7000_CPU_SCACHE
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
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	select SYS_SUPPORTS_SMARTMIPS
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	select GENERIC_HARDIRQS_NO__DO_IRQ
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	help
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	  This enables support for the MIPS Technologies Atlas evaluation
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	  board.

config MIPS_MALTA
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	bool "MIPS Malta board"
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	select ARCH_MAY_HAVE_PC_FDC
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	select BOOT_ELF32
	select HAVE_STD_PC_SERIAL_PORT
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
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	select IRQ_CPU
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	select HW_HAS_PCI
	select I8259
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	select MIPS_BOARDS_GEN
	select MIPS_BONITO64
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	select MIPS_CPU_SCACHE
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	select MIPS_GT64120
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	select MIPS_MSC
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MULTITHREADING
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	select SYS_SUPPORTS_SMARTMIPS
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	help
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	  This enables support for the MIPS Technologies Malta evaluation
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	  board.

config MIPS_SEAD
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	bool "MIPS SEAD board (EXPERIMENTAL)"
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	depends on EXPERIMENTAL
	select IRQ_CPU
	select DMA_NONCOHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select MIPS_BOARDS_GEN
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_SMARTMIPS
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	help
	  This enables support for the MIPS Technologies SEAD evaluation
	  board.
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config WR_PPMC
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	bool "Wind River PPMC board"
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	select IRQ_CPU
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select MIPS_GT64120
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	help
	  This enables support for the Wind River MIPS32 4KC PPMC evaluation
	  board, which is based on GT64120 bridge chip.

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config MIPS_SIM
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	bool 'MIPS simulator (MIPSsim)'
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	select DMA_NONCOHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select IRQ_CPU
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	help
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	  This option enables support for MIPS Technologies MIPSsim software
	  emulator.
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config MOMENCO_JAGUAR_ATX
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	bool "Momentum Jaguar board"
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	select BOOT_ELF32
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
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	select IRQ_MV64340
	select LIMITED_DMA
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	select PCI_MARVELL
	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_RM9000
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_KGDB
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	help
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	  The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
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	  Momentum Computer <http://www.momenco.com/>.

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config MOMENCO_OCELOT
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	bool "Momentum Ocelot board"
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
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	select IRQ_CPU_RM7K
	select MIPS_GT64120
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	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_RM7000
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_KGDB
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	help
	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
	  Momentum Computer <http://www.momenco.com/>.

config MOMENCO_OCELOT_3
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	bool "Momentum Ocelot-3 board"
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	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_MV64340
	select PCI_MARVELL
	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_RM9000
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	help
	  The Ocelot-3 is based off Discovery III System Controller and
	  PMC-Sierra Rm79000 core.

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config MOMENCO_OCELOT_C
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	bool "Momentum Ocelot-C board"
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_MV64340
	select PCI_MARVELL
	select RM7000_CPU_SCACHE
	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_RM7000
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select GENERIC_HARDIRQS_NO__DO_IRQ
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	help
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	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
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	  Momentum Computer <http://www.momenco.com/>.

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config MOMENCO_OCELOT_G
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	bool "Momentum Ocelot-G board"
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	select DMA_NONCOHERENT
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	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
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	select PCI_MARVELL
	select RM7000_CPU_SCACHE
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_RM7000
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
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	select SYS_SUPPORTS_BIG_ENDIAN
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	help
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	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
	  Momentum Computer <http://www.momenco.com/>.
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config MIPS_XXS1500
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	bool "MyCable XXS1500 board"
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	select DMA_NONCOHERENT
	select SOC_AU1500
	select SYS_SUPPORTS_LITTLE_ENDIAN
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config PNX8550_V2PCI
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	bool "Philips PNX8550 based Viper2-PCI board"
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	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

config PNX8550_JBS
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	bool "Philips PNX8550 based JBS board"
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	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN
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config PNX8550_STB810
	bool "Support for Philips PNX8550 based STB810 board"
	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN
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config DDB5477
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	bool "NEC DDB Vrc-5477"
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	select DDB5XXX_COMMON
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select I8259
	select IRQ_CPU
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	select SYS_HAS_CPU_R5432
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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	select SYS_SUPPORTS_KGDB
	select SYS_SUPPORTS_KGDB
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	help
	  This enables support for the R5432-based NEC DDB Vrc-5477,
	  or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.

	  Features : kernel debugging, serial terminal, NFS root fs, on-board
	  ether port USB, AC97, PCI, etc.

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config MACH_VR41XX
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	bool "NEC VR41XX-based machines"
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	select SYS_HAS_CPU_VR41XX
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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	select GENERIC_HARDIRQS_NO__DO_IRQ
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config PMC_YOSEMITE
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	bool "PMC-Sierra Yosemite eval board"
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	select DMA_COHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select IRQ_CPU_RM7K
	select IRQ_CPU_RM9K
	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_RM9000
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
528
	select SYS_SUPPORTS_KGDB
529
	select SYS_SUPPORTS_SMP
530 531 532
	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
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534
config QEMU
535
	bool "Qemu"
536 537 538
	select DMA_COHERENT
	select GENERIC_ISA_DMA
	select HAVE_STD_PC_SERIAL_PORT
539
	select I8253
540 541 542
	select I8259
	select ISA
	select SWAP_IO_SPACE
543
	select SYS_HAS_CPU_MIPS32_R1
544 545
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
546
	select SYS_SUPPORTS_LITTLE_ENDIAN
547
	select ARCH_SPARSEMEM_ENABLE
548
	select GENERIC_HARDIRQS_NO__DO_IRQ
549
	help
550 551 552 553 554 555
	  Qemu is a software emulator which among other architectures also
	  can simulate a MIPS32 4Kc system.  This patch adds support for the
	  system architecture that currently is being simulated by Qemu.  It
	  will eventually be removed again when Qemu has the capability to
	  simulate actual MIPS hardware platforms.  More information on Qemu
	  can be found at http://www.linux-mips.org/wiki/Qemu.
556

557 558 559 560 561 562 563 564 565 566 567 568 569 570
config MARKEINS
	bool "Support for NEC EMMA2RH Mark-eins"
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_HAS_CPU_R5000
	help
	  This enables support for the R5432-based NEC Mark-eins
	  boards with R5500 CPU.

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config SGI_IP22
572
	bool "SGI IP22 (Indy/Indigo2)"
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	select ARC
	select ARC32
	select BOOT_ELF32
	select DMA_NONCOHERENT
577
	select HW_HAS_EISA
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	select IP22_CPU_SCACHE
	select IRQ_CPU
580
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
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	select SWAP_IO_SPACE
582 583
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
584
	select SYS_HAS_EARLY_PRINTK
585 586
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
587
	select SYS_SUPPORTS_BIG_ENDIAN
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	help
	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
	  OEM variants like the Tandem CMN B006S. To compile a Linux kernel
	  that runs on these, say Y here.

config SGI_IP27
594
	bool "SGI IP27 (Origin200/2000)"
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	select ARC
	select ARC64
597
	select BOOT_ELF64
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	select DMA_IP27
599
	select SYS_HAS_EARLY_PRINTK
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	select HW_HAS_PCI
601
	select NR_CPUS_DEFAULT_64
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	select PCI_DOMAINS
603
	select SYS_HAS_CPU_R10000
604
	select SYS_SUPPORTS_64BIT_KERNEL
605
	select SYS_SUPPORTS_BIG_ENDIAN
606
	select SYS_SUPPORTS_KGDB
607
	select SYS_SUPPORTS_NUMA
608
	select SYS_SUPPORTS_SMP
609
	select GENERIC_HARDIRQS_NO__DO_IRQ
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	help
	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
	  workstations.  To compile a Linux kernel that runs on these, say Y
	  here.

config SGI_IP32
616
	bool "SGI IP32 (O2) (EXPERIMENTAL)"
617
	depends on EXPERIMENTAL
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	select ARC
	select ARC32
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
625 626 627
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
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	select SYS_HAS_CPU_NEVADA
629
	select SYS_SUPPORTS_64BIT_KERNEL
630 631
	select SYS_SUPPORTS_BIG_ENDIAN
	help
632
	  If you want this kernel to run on SGI O2 workstation, say Y here.
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config SIBYTE_BIGSUR
635
	bool "Sibyte BCM91480B-BigSur"
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	select BOOT_ELF32
	select DMA_COHERENT
638
	select NR_CPUS_DEFAULT_4
639
	select PCI_DOMAINS
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	select SIBYTE_BCM1x80
	select SWAP_IO_SPACE
642
	select SYS_HAS_CPU_SB1
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

646
config SIBYTE_SWARM
647
	bool "Sibyte BCM91250A-SWARM"
648
	select BOOT_ELF32
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	select DMA_COHERENT
650
	select NR_CPUS_DEFAULT_2
651 652
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
653
	select SYS_HAS_CPU_SB1
654
	select SYS_SUPPORTS_BIG_ENDIAN
655
	select SYS_SUPPORTS_HIGHMEM
656
	select SYS_SUPPORTS_KGDB
657
	select SYS_SUPPORTS_LITTLE_ENDIAN
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659
config SIBYTE_SENTOSA
660
	bool "Sibyte BCM91250E-Sentosa"
661 662 663
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
664
	select NR_CPUS_DEFAULT_2
665 666
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
667
	select SYS_HAS_CPU_SB1
668 669
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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671
config SIBYTE_RHONE
672
	bool "Sibyte BCM91125E-Rhone"
673 674 675 676 677
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
678
	select SYS_HAS_CPU_SB1
679 680
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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682
config SIBYTE_CARMEL
683
	bool "Sibyte BCM91120x-Carmel"
684 685
	depends on EXPERIMENTAL
	select BOOT_ELF32
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	select DMA_COHERENT
687 688
	select SIBYTE_BCM1120
	select SWAP_IO_SPACE
689
	select SYS_HAS_CPU_SB1
690
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_LITTLE_ENDIAN

693
config SIBYTE_PTSWARM
694
	bool "Sibyte BCM91250PT-PTSWARM"
695 696 697
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
698
	select NR_CPUS_DEFAULT_2
699 700
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
701
	select SYS_HAS_CPU_SB1
702 703 704
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
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706
config SIBYTE_LITTLESUR
707
	bool "Sibyte BCM91250C2-LittleSur"
708 709 710
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
711
	select NR_CPUS_DEFAULT_2
712 713
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
714
	select SYS_HAS_CPU_SB1
715 716 717
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
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719
config SIBYTE_CRHINE
720
	bool "Sibyte BCM91120C-CRhine"
721 722 723 724 725
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1120
	select SWAP_IO_SPACE
726
	select SYS_HAS_CPU_SB1
727 728
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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730
config SIBYTE_CRHONE
731
	bool "Sibyte BCM91125C-CRhone"
732 733 734 735 736
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125
	select SWAP_IO_SPACE
737
	select SYS_HAS_CPU_SB1
738 739 740
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
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742 743
config SNI_RM
	bool "SNI RM200/300/400"
744 745
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
746
	select ARCH_MAY_HAVE_PC_FDC
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	select BOOT_ELF32
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
750
	select HW_HAS_EISA
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	select HW_HAS_PCI
752
	select IRQ_CPU
753
	select I8253
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	select I8259
	select ISA
756
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
757
	select SYS_HAS_CPU_R4X00
758
	select SYS_HAS_CPU_R5000
759
	select SYS_HAS_CPU_R10000
760
	select R5000_CPU_SCACHE
761
	select SYS_HAS_EARLY_PRINTK
762 763
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
764
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_HIGHMEM
766
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	help
768 769
	  The SNI RM200/300/400 are MIPS-based machines manufactured by
	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
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	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

773
config TOSHIBA_JMR3927
774
	bool "Toshiba JMR-TX3927 board"
775 776 777 778
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select MIPS_TX3927
	select SWAP_IO_SPACE
779
	select SYS_HAS_CPU_TX39XX
780
	select SYS_SUPPORTS_32BIT_KERNEL
781
	select SYS_SUPPORTS_LITTLE_ENDIAN
782 783 784
	select SYS_SUPPORTS_BIG_ENDIAN
	select TOSHIBA_BOARDS

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config TOSHIBA_RBTX4927
786
	bool "Toshiba TBTX49[23]7 board"
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	select DMA_NONCOHERENT
	select HAS_TXX9_SERIAL
	select HW_HAS_PCI
	select I8259
	select ISA
	select SWAP_IO_SPACE
793
	select SYS_HAS_CPU_TX49XX
794 795
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
796
	select SYS_SUPPORTS_LITTLE_ENDIAN
797
	select SYS_SUPPORTS_BIG_ENDIAN
798
	select SYS_SUPPORTS_KGDB
799
	select TOSHIBA_BOARDS
800
	select GENERIC_HARDIRQS_NO__DO_IRQ
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	help
	  This Toshiba board is based on the TX4927 processor. Say Y here to
	  support this machine type

805
config TOSHIBA_RBTX4938
806
	bool "Toshiba RBTX4938 board"
807 808 809 810 811 812 813 814
	select HAVE_STD_PC_SERIAL_PORT
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
	select HAS_TXX9_SERIAL
	select HW_HAS_PCI
	select I8259
	select ISA
	select SWAP_IO_SPACE
815
	select SYS_HAS_CPU_TX49XX
816 817 818
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
819
	select SYS_SUPPORTS_KGDB
820
	select TOSHIBA_BOARDS
821
	select GENERIC_HARDIRQS_NO__DO_IRQ
822 823 824 825 826
	help
	  This Toshiba board is based on the TX4938 processor. Say Y here to
	  support this machine type

endchoice
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828 829 830 831 832 833
source "arch/mips/ddb5xxx/Kconfig"
source "arch/mips/gt64120/ev64120/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/lasat/Kconfig"
source "arch/mips/momentum/Kconfig"
source "arch/mips/pmc-sierra/Kconfig"
834
source "arch/mips/sgi-ip27/Kconfig"
835
source "arch/mips/sibyte/Kconfig"
836
source "arch/mips/tx4927/Kconfig"
837
source "arch/mips/tx4938/Kconfig"
838
source "arch/mips/vr41xx/Kconfig"
839
source "arch/mips/philips/pnx8550/common/Kconfig"
840
source "arch/mips/cobalt/Kconfig"
841

842 843
endmenu

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844 845 846 847 848 849 850
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

851 852 853 854 855 856 857 858
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

859 860 861 862 863 864 865 866
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

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config GENERIC_CALIBRATE_DELAY
	bool
	default y

871 872 873 874
config GENERIC_TIME
	bool
	default y

875 876 877 878
config SCHED_NO_NO_OMIT_FRAME_POINTER
	bool
	default y

879 880 881 882
config GENERIC_HARDIRQS_NO__DO_IRQ
	bool
	default n

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#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

889 890 891
config ARCH_MAY_HAVE_PC_FDC
	bool

892
config DMA_COHERENT
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	bool

895
config DMA_IP27
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	bool

898 899 900 901 902 903 904 905 906
config DMA_IP32
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NONCOHERENT
	bool
	select DMA_NEED_PCI_MAP_STATE

config DMA_NEED_PCI_MAP_STATE
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	bool

config EARLY_PRINTK
910 911 912 913 914 915 916 917 918 919 920 921 922 923
	bool "Early printk" if EMBEDDED && DEBUG_KERNEL
	depends on SYS_HAS_EARLY_PRINTK
	default y
	help
	  This option enables special console drivers which allow the kernel
	  to print messages very early in the bootup process.

	  This is useful for kernel debugging when your machine crashes very
	  early before the console code is initialized. For normal operation
	  it is not recommended because it looks on some machines ugly and
	  oesn't cooperate with an X server. You should normally N here,
	  unless you want to debug such a crash.

config SYS_HAS_EARLY_PRINTK
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	bool

config GENERIC_ISA_DMA
	bool

config I8259
	bool

config LIMITED_DMA
	bool
	select HIGHMEM
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	select SYS_SUPPORTS_HIGHMEM
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config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

config MIPS_NILE4
	bool

config MIPS_DISABLE_OBSOLETE_IDE
	bool

949 950 951
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool

952
#
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# Endianess selection.  Sufficiently obscure so many users don't know what to
954 955 956 957 958
# answer,so we try hard to limit the available choices.  Also the use of a
# choice statement should be more obvious to the user.
#
choice
	prompt "Endianess selection"
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	help
	  Some MIPS machines can be configured for either little or big endian
961
	  byte order. These modes require different kernels and a different
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	  Linux distribution.  In general there is one preferred byteorder for a
963 964 965 966 967 968 969 970 971 972 973 974 975 976
	  particular system but some systems are just as commonly used in the
	  one or the other endianess.

config CPU_BIG_ENDIAN
	bool "Big endian"
	depends on SYS_SUPPORTS_BIG_ENDIAN

config CPU_LITTLE_ENDIAN
	bool "Little endian"
	depends on SYS_SUPPORTS_LITTLE_ENDIAN
	help

endchoice

977 978 979
config SYS_SUPPORTS_APM_EMULATION
	bool

980 981 982 983 984
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

992 993 994
config IRQ_CPU_RM9K
	bool

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config IRQ_MV64340
	bool

config DDB5XXX_COMMON
	bool
1000
	select SYS_SUPPORTS_KGDB
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config MIPS_BOARDS_GEN
	bool

config MIPS_GT64111
	bool

config MIPS_GT64120
	bool

config MIPS_TX3927
	bool
	select HAS_TXX9_SERIAL

1015 1016 1017 1018 1019 1020
config MIPS_RM9122
	bool
	select SERIAL_RM9000
	select GPI_RM9000
	select WDT_RM9000

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config PCI_MARVELL
	bool

1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
config SOC_AU1000
	bool
	select SOC_AU1X00

config SOC_AU1100
	bool
	select SOC_AU1X00

config SOC_AU1500
	bool
	select SOC_AU1X00

config SOC_AU1550
	bool
	select SOC_AU1X00

config SOC_AU1200
	bool
	select SOC_AU1X00

config SOC_AU1X00
	bool
1046
	select SYS_HAS_CPU_MIPS32_R1
1047
	select SYS_SUPPORTS_32BIT_KERNEL
1048
	select SYS_SUPPORTS_APM_EMULATION
1049
	select SYS_SUPPORTS_KGDB
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1051 1052 1053 1054 1055 1056 1057 1058
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
1059
	select SYS_HAS_CPU_MIPS32_R1
1060
	select SYS_HAS_EARLY_PRINTK
1061
	select SYS_SUPPORTS_32BIT_KERNEL
1062
	select GENERIC_HARDIRQS_NO__DO_IRQ
1063
	select SYS_SUPPORTS_KGDB
1064

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config SWAP_IO_SPACE
	bool

1068 1069 1070 1071 1072
config EMMA2RH
	bool
	depends on MARKEINS
	default y

1073 1074 1075 1076 1077 1078 1079 1080 1081
config SERIAL_RM9000
	bool

config GPI_RM9000
	bool

config WDT_RM9000
	bool

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#
# Unfortunately not all GT64120 systems run the chip at the same clock.
# As the user for the clock rate and try to minimize the available options.
#
choice
	prompt "Galileo Chip Clock"
	#default SYSCLK_83 if MIPS_EV64120
	depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
	default SYSCLK_83 if MIPS_EV64120
	default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G

config SYSCLK_75
	bool "75" if MIPS_EV64120

config SYSCLK_83
	bool "83.3" if MIPS_EV64120

config SYSCLK_100
	bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G

endchoice

1104 1105 1106
config ARC32
	bool

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config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
1112
	default "4" if MACH_DECSTATION || SNI_RM
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	default "7" if SGI_IP27
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
1121
	depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
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config ARC_MEMORY
	bool
1125
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
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	default y

config ARC_PROMLIB
	bool
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	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
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	default y

config ARC64
	bool

config BOOT_ELF64
	bool

config TOSHIBA_BOARDS
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

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config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1150
	depends on SYS_HAS_CPU_MIPS32_R1
1151
	select CPU_HAS_LLSC
1152
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1154
	select CPU_SUPPORTS_HIGHMEM
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	help
1156
	  Choose this option to build a kernel for release 1 or later of the
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	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
	  MIPS processor are based on a MIPS32 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
	  Release 2 of the MIPS32 architecture is available since several
	  years so chances are you even have a MIPS32 Release 2 processor
	  in which case you should choose CPU_MIPS32_R2 instead for better
	  performance.

config CPU_MIPS32_R2
	bool "MIPS32 Release 2"
1168
	depends on SYS_HAS_CPU_MIPS32_R2
1169
	select CPU_HAS_LLSC
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1172
	select CPU_SUPPORTS_HIGHMEM
1173
	help
1174
	  Choose this option to build a kernel for release 2 or later of the
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	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
	  MIPS processor are based on a MIPS32 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.

config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1182
	depends on SYS_HAS_CPU_MIPS64_R1
1183
	select CPU_HAS_LLSC
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1187
	select CPU_SUPPORTS_HIGHMEM
1188 1189 1190 1191 1192 1193
	help
	  Choose this option to build a kernel for release 1 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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	  Release 2 of the MIPS64 architecture is available since several
	  years so chances are you even have a MIPS64 Release 2 processor
	  in which case you should choose CPU_MIPS64_R2 instead for better
	  performance.

config CPU_MIPS64_R2
	bool "MIPS64 Release 2"
1201
	depends on SYS_HAS_CPU_MIPS64_R2
1202
	select CPU_HAS_LLSC
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1206
	select CPU_SUPPORTS_HIGHMEM
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	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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config CPU_R3000
	bool "R3000"
1216
	depends on SYS_HAS_CPU_R3000
1217
	select CPU_HAS_WB
1218
	select CPU_SUPPORTS_32BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	help
	  Please make sure to pick the right CPU type. Linux/MIPS is not
	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
	  *not* work on R4000 machines and vice versa.  However, since most
	  of the supported machines have an R4000 (or similar) CPU, R4x00
	  might be a safe bet.  If the resulting kernel does not work,
	  try to recompile with R3000.

config CPU_TX39XX
	bool "R39XX"
1230
	depends on SYS_HAS_CPU_TX39XX
1231
	select CPU_SUPPORTS_32BIT_KERNEL
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config CPU_VR41XX
	bool "R41xx"
1235
	depends on SYS_HAS_CPU_VR41XX
1236 1237
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
1239
	  The options selects support for the NEC VR4100 series of processors.
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	  Only choose this option if you have one of these processors as a
	  kernel built with this option will not run on any other type of
	  processor or vice versa.

config CPU_R4300
	bool "R4300"
1246
	depends on SYS_HAS_CPU_R4300
1247
	select CPU_HAS_LLSC
1248 1249
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1255
	depends on SYS_HAS_CPU_R4X00
1256
	select CPU_HAS_LLSC
1257 1258
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1265
	depends on SYS_HAS_CPU_TX49XX
1266
	select CPU_HAS_LLSC
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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config CPU_R5000
	bool "R5000"
1273
	depends on SYS_HAS_CPU_R5000
1274
	select CPU_HAS_LLSC
1275 1276
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1282
	depends on SYS_HAS_CPU_R5432
1283
	select CPU_HAS_LLSC
1284 1285
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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config CPU_R6000
	bool "R6000"
1289
	depends on EXPERIMENTAL
1290
	select CPU_HAS_LLSC
1291
	depends on SYS_HAS_CPU_R6000
1292
	select CPU_SUPPORTS_32BIT_KERNEL
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	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
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	  processors are extremely rare and the support for them is incomplete.
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config CPU_NEVADA
	bool "RM52xx"
1299
	depends on SYS_HAS_CPU_NEVADA
1300
	select CPU_HAS_LLSC
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1308
	depends on EXPERIMENTAL
1309
	depends on SYS_HAS_CPU_R8000
1310
	select CPU_HAS_LLSC
1311
	select CPU_HAS_PREFETCH
1312
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1319
	depends on SYS_HAS_CPU_R10000
1320
	select CPU_HAS_LLSC
1321
	select CPU_HAS_PREFETCH
1322 1323
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1330
	depends on SYS_HAS_CPU_RM7000
1331
	select CPU_HAS_LLSC
1332
	select CPU_HAS_PREFETCH
1333 1334
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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config CPU_RM9000
	bool "RM9000"
1339
	depends on SYS_HAS_CPU_RM9000
1340
	select CPU_HAS_LLSC
1341
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1345
	select WEAK_ORDERING
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config CPU_SB1
	bool "SB1"
1349
	depends on SYS_HAS_CPU_SB1
1350
	select CPU_HAS_LLSC
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1354
	select WEAK_ORDERING
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endchoice

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config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

config SYS_HAS_CPU_R3000
	bool

config SYS_HAS_CPU_TX39XX
	bool

config SYS_HAS_CPU_VR41XX
	bool

config SYS_HAS_CPU_R4300
	bool

config SYS_HAS_CPU_R4X00
	bool

config SYS_HAS_CPU_TX49XX
	bool

config SYS_HAS_CPU_R5000
	bool

config SYS_HAS_CPU_R5432
	bool

config SYS_HAS_CPU_R6000
	bool

config SYS_HAS_CPU_NEVADA
	bool

config SYS_HAS_CPU_R8000
	bool

config SYS_HAS_CPU_R10000
	bool

config SYS_HAS_CPU_RM7000
	bool

config SYS_HAS_CPU_RM9000
	bool

config SYS_HAS_CPU_SB1
	bool

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config WEAK_ORDERING
	bool
1417 1418 1419
endmenu

#
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# These two indicate any level of the MIPS32 and MIPS64 architecture
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#
config CPU_MIPS32
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2

config CPU_MIPS64
	bool
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2

#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
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#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2

config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool

menu "Kernel type"

choice

	prompt "Kernel code model"
	help
	  You should only select this option if you have a workload that
	  actually benefits from 64-bit processing or if your machine has
	  large memory.  You will only be presented a single option in this
	  menu if your system does not support both 32-bit and 64-bit kernels.

config 32BIT
	bool "32-bit kernel"
	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
	select TRAD_SIGNALS
	help
	  Select this option if you want to build a 32-bit kernel.
config 64BIT
	bool "64-bit kernel"
	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
	help
	  Select this option if you want to build a 64-bit kernel.

endchoice

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
	help
	 This option select the standard 4kB Linux page size.  On some
	 R3000-family processors this is the only available page size.  Using
	 4kB page size will minimize memory consumption and is therefore
	 recommended for low memory systems.

config PAGE_SIZE_8KB
	bool "8kB"
	depends on EXPERIMENTAL && CPU_R8000
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
	  only on the R8000 processor.  Not that at the time of this writing
	  this option is still high experimental; there are also issues with
	  compatibility of user applications.

config PAGE_SIZE_16KB
	bool "16kB"
1499
	depends on !CPU_R3000 && !CPU_TX39XX
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	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1503 1504
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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config PAGE_SIZE_64KB
	bool "64kB"
	depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
	help
	  Using 64kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
	  all non-R3000 family processor.  Not that at the time of this
1513
	  writing this option is still high experimental.
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endchoice

config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1524 1525 1526 1527 1528 1529 1530
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

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config R5000_CPU_SCACHE
	bool
	select BOARD_SCACHE

config RM7000_CPU_SCACHE
	bool
	select BOARD_SCACHE

config SIBYTE_DMA_PAGEOPS
	bool "Use DMA to clear/copy pages"
	depends on CPU_SB1
	help
	  Instead of using the CPU to zero and copy pages, use a Data Mover
	  channel.  These DMA channels are otherwise unused by the standard
	  SiByte Linux port.  Seems to give a small performance benefit.

config CPU_HAS_PREFETCH
1548
	bool
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choice
	prompt "MIPS MT options"
1552 1553 1554 1555 1556 1557 1558 1559

config MIPS_MT_DISABLED
	bool "Disable multithreading support."
	help
	  Use this option if your workload can't take advantage of
	  MIPS hardware multithreading support.  On systems that don't have
	  the option of an MT-enabled processor this option will be the only
	  option in this menu.
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config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1563
	depends on SYS_SUPPORTS_MULTITHREADING
1564 1565
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_SRS
1566
	select MIPS_MT
1567
	select SMP
1568
	select SYS_SUPPORTS_SMP
1569
	help
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	  This is a kernel model which is also known a VSMP or lately
	  has been marketesed into SMVP.
1572

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config MIPS_MT_SMTC
	bool "SMTC: Use all TCs on all VPEs for SMP"
	depends on CPU_MIPS32_R2
	#depends on CPU_MIPS64_R2		# once there is hardware ...
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	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_SRS
	select MIPS_MT
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	select NR_CPUS_DEFAULT_2
	select NR_CPUS_DEFAULT_8
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	select SMP
1584
	select SYS_SUPPORTS_SMP
1585
	help
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	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
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config MIPS_VPE_LOADER
	bool "VPE loader support."
1591 1592
	depends on SYS_SUPPORTS_MULTITHREADING
	select MIPS_MT
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	help
	  Includes a loader for loading an elf relocatable object
	  onto another VPE and running it.

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endchoice

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config MIPS_MT
	bool

config SYS_SUPPORTS_MULTITHREADING
	bool

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config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	depends on MIPS_MT
	default y

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config MIPS_MT_SMTC_INSTANT_REPLAY
	bool "Low-latency Dispatch of Deferred SMTC IPIs"
	depends on MIPS_MT_SMTC
	default y
	help
	  SMTC pseudo-interrupts between TCs are deferred and queued
	  if the target TC is interrupt-inhibited (IXMT). In the first
	  SMTC prototypes, these queued IPIs were serviced on return
	  to user mode, or on entry into the kernel idle loop. The
	  INSTANT_REPLAY option dispatches them as part of local_irq_restore()
	  processing, which adds runtime overhead (hence the option to turn
	  it off), but ensures that IPIs are handled promptly even under
	  heavy I/O interrupt load.

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config MIPS_VPE_LOADER_TOM
	bool "Load VPE program into memory hidden from linux"
	depends on MIPS_VPE_LOADER
	default y
	help
	  The loader can use memory that is present but has been hidden from
	  Linux using the kernel command line option "mem=xxMB". It's up to
	  you to ensure the amount you put in the option and the space your
	  program requires is less or equal to the amount physically present.

# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
config MIPS_VPE_APSP_API
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	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1639

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config MIPS_APSP_KSPD
	bool "Enable KSPD"
	depends on MIPS_VPE_APSP_API
	default y
	help
	  KSPD is a kernel daemon that accepts syscall requests from the SP
	  side, actions them and returns the results. It also handles the
	  "exit" syscall notifying other kernel modules the SP program is
	  exiting.  You probably want to say yes here.

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config SB1_PASS_1_WORKAROUNDS
	bool
	depends on CPU_SB1_PASS_1
	default y

config SB1_PASS_2_WORKAROUNDS
	bool
	depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
	default y

config SB1_PASS_2_1_WORKAROUNDS
	bool
	depends on CPU_SB1 && CPU_SB1_PASS_2
	default y

config 64BIT_PHYS_ADDR
	bool "Support for 64-bit physical address space"
1667
	depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
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config CPU_HAS_LLSC
1670
	bool
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config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
	bool "Support for the SmartMIPS ASE"
	help
	  SmartMIPS is a extension of the MIPS32 architecture aimed at
	  increased security at both hardware and software level for
	  smartcards.  Enabling this option will allow proper use of the
	  SmartMIPS instructions by Linux applications.  However a kernel with
	  this option will not work on a MIPS core without SmartMIPS core.  If
	  you don't know you probably don't have SmartMIPS and should say N
	  here.

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config CPU_HAS_WB
1685
	bool
1686

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#
# Vectored interrupt mode is an R2 feature
#
1690
config CPU_MIPSR2_IRQ_VI
1691
	bool
1692

1693 1694 1695
#
# Extended interrupt mode is an R2 feature
#
1696
config CPU_MIPSR2_IRQ_EI
1697
	bool
1698

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#
# Shadow registers are an R2 feature
#
1702
config CPU_MIPSR2_SRS
1703
	bool
1704

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

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#
# Use the generic interrupt handling code in kernel/irq/:
#
config GENERIC_HARDIRQS
	bool
	default y

config GENERIC_IRQ_PROBE
	bool
	default y

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config IRQ_PER_CPU
	bool

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#
# - Highmem only makes sense for the 32-bit kernel.
# - The current highmem code will only work properly on physically indexed
#   caches such as R3000, SB1, R7000 or those that look like they're virtually
#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
#   moment we protect the user and offer the highmem option only on machines
#   where it's known to be safe.  This will not offer highmem on a few systems
#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
#   indexed CPUs but we're playing safe.
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# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
#   know they might have memory configurations that could make use of highmem
#   support.
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#
config HIGHMEM
	bool "High Memory Support"
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	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM

config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
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config SYS_SUPPORTS_SMARTMIPS
	bool

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config ARCH_FLATMEM_ENABLE
	def_bool y
	depends on !NUMA

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config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
	  Say Y to upport efficient handling of discontiguous physical memory,
	  for architectures which are either NUMA (Non-Uniform Memory Access)
	  or have huge holes in the physical address space for other reasons.
	  See <file:Documentation/vm/numa> for more.

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config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
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config NUMA
	bool "NUMA Support"
	depends on SYS_SUPPORTS_NUMA
	help
	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
	  Access).  This option improves performance on systems with more
	  than two nodes; on two node systems it is generally better to
	  leave it disabled; on single node systems disable this option
	  disabled.

config SYS_SUPPORTS_NUMA
	bool

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config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

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source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
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	depends on SYS_SUPPORTS_SMP
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	select IRQ_PER_CPU
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	help
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	  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> and the SMP-HOWTO
	  available at <http://www.tldp.org/docs.html#howto>.

	  If you don't know what to do here, say N.

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config SYS_SUPPORTS_SMP
	bool

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config NR_CPUS_DEFAULT_2
	bool

config NR_CPUS_DEFAULT_4
	bool

config NR_CPUS_DEFAULT_8
	bool

config NR_CPUS_DEFAULT_16
	bool

config NR_CPUS_DEFAULT_32
	bool

config NR_CPUS_DEFAULT_64
	bool

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config NR_CPUS
	int "Maximum number of CPUs (2-64)"
	range 2 64
	depends on SMP
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	default "2" if NR_CPUS_DEFAULT_2
	default "4" if NR_CPUS_DEFAULT_4
	default "8" if NR_CPUS_DEFAULT_8
	default "16" if NR_CPUS_DEFAULT_16
	default "32" if NR_CPUS_DEFAULT_32
	default "64" if NR_CPUS_DEFAULT_64
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	help
	  This allows you to specify the maximum number of CPUs which this
	  kernel will support.  The maximum supported value is 32 for 32-bit
	  kernel and 64 for 64-bit kernels; 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.

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#
# Timer Interrupt Frequency Configuration
#

choice
	prompt "Timer frequency"
	default HZ_250
	help
	 Allows the configuration of the timer frequency.

	config HZ_48
		bool "48 HZ" if SYS_SUPPORTS_48HZ

	config HZ_100
		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_128
		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_250
		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_256
		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_1000
		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_1024
		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ

endchoice

config SYS_SUPPORTS_48HZ
	bool

config SYS_SUPPORTS_100HZ
	bool

config SYS_SUPPORTS_128HZ
	bool

config SYS_SUPPORTS_250HZ
	bool

config SYS_SUPPORTS_256HZ
	bool

config SYS_SUPPORTS_1000HZ
	bool

config SYS_SUPPORTS_1024HZ
	bool

config SYS_SUPPORTS_ARBIT_HZ
	bool
	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
		     !SYS_SUPPORTS_1024HZ

config HZ
	int
	default 48 if HZ_48
	default 100 if HZ_100
	default 128 if HZ_128
	default 250 if HZ_250
	default 256 if HZ_256
	default 1000 if HZ_1000
	default 1024 if HZ_1024

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source "kernel/Kconfig.preempt"
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config MIPS_INSANE_LARGE
	bool "Support for large 64-bit configurations"
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	depends on CPU_R10000 && 64BIT
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	help
	  MIPS R10000 does support a 44 bit / 16TB address space as opposed to
	  previous 64-bit processors which only supported 40 bit / 1TB. If you
	  need processes of more than 1TB virtual address space, say Y here.
	  This will result in additional memory usage, so it is not
	  recommended for normal users.

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config KEXEC
	bool "Kexec system call (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	help
	  kexec is a system call that implements the ability to shutdown your
	  current kernel, and to start another kernel.  It is like a reboot
	  but it is indepedent of the system firmware.   And like a reboot
	  you can start any kernel with it, not just Linux.

	  The name comes from the similiarity to the exec system call.

	  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.

config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
	depends on PROC_FS && BROKEN
	default y
	help
	  This kernel feature is useful for number crunching applications
	  that may need to compute untrusted bytecode during their
	  execution. By using pipes or other transports made available to
	  the process as file descriptors supporting the read/write
	  syscalls, it's possible to isolate those applications in
	  their own address space using seccomp. Once seccomp is
	  enabled via /proc/<pid>/seccomp, it cannot be disabled
	  and the task is only allowed to execute a few safe syscalls
	  defined by each seccomp mode.

	  If unsure, say Y. Only embedded should say N here.

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endmenu

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config RWSEM_GENERIC_SPINLOCK
	bool
	default y

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config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

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source "init/Kconfig"

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menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

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config HW_HAS_EISA
	bool
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config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
	help
	  Find out whether you have a PCI motherboard. PCI is the name of a
	  bus system, i.e. the way the CPU talks to the other stuff inside
	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
	  say Y, otherwise N.

	  The PCI-HOWTO, available from
	  <http://www.tldp.org/docs.html#howto>, contains valuable
	  information about which PCI hardware does work under Linux and which
	  doesn't.

config PCI_DOMAINS
	bool
	depends on PCI

source "drivers/pci/Kconfig"

#
# ISA support is now enabled via select.  Too many systems still have the one
# or other ISA chip on the board that users don't know about so don't expect
# users to choose the right thing ...
#
config ISA
	bool

config EISA
	bool "EISA support"
2020
	depends on HW_HAS_EISA
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	select ISA
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	select GENERIC_ISA_DMA
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	---help---
	  The Extended Industry Standard Architecture (EISA) bus was
	  developed as an open alternative to the IBM MicroChannel bus.

	  The EISA bus provided some of the features of the IBM MicroChannel
	  bus while maintaining backward compatibility with cards made for
	  the older ISA bus.  The EISA bus saw limited use between 1988 and
	  1995 when it was made obsolete by the PCI bus.

	  Say Y here if you are building a kernel for an EISA-based machine.

	  Otherwise, say N.

source "drivers/eisa/Kconfig"

config TC
	bool "TURBOchannel support"
	depends on MACH_DECSTATION
	help
	  TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  Documentation on writing device drivers for TurboChannel
	  is available at:
	  <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.

#config ACCESSBUS
#	bool "Access.Bus support"
#	depends on TC

config MMU
	bool
	default y

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config I8253
	bool

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source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config BUILD_ELF64
	bool "Use 64-bit ELF format for building"
2073
	depends on 64BIT
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	help
	  A 64-bit kernel is usually built using the 64-bit ELF binary object
	  format as it's one that allows arbitrary 64-bit constructs.  For
	  kernels that are loaded within the KSEG compatibility segments the
	  32-bit ELF format can optionally be used resulting in a somewhat
	  smaller binary, but this option is not explicitly supported by the
	  toolchain and since binutils 2.14 it does not even work at all.

	  Say Y to use the 64-bit format or N to use the 32-bit one.

	  If unsure say Y.

config BINFMT_IRIX
	bool "Include IRIX binary compatibility"
2088
	depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
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config MIPS32_COMPAT
	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2092
	depends on 64BIT
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	help
	  Select this option if you want Linux/MIPS 32-bit binary
	  compatibility. Since all software available for Linux/MIPS is
	  currently 32-bit you should say Y here.

config COMPAT
	bool
	depends on MIPS32_COMPAT
	default y

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config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

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config MIPS32_O32
	bool "Kernel support for o32 binaries"
	depends on MIPS32_COMPAT
	help
	  Select this option if you want to run o32 binaries.  These are pure
	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
	  existing binaries are in this format.

	  If unsure, say Y.

config MIPS32_N32
	bool "Kernel support for n32 binaries"
	depends on MIPS32_COMPAT
	help
	  Select this option if you want to run n32 binaries.  These are
	  64-bit binaries using 32-bit quantities for addressing and certain
	  data that would normally be 64-bit.  They are used in special
	  cases.

	  If unsure, say N.

config BINFMT_ELF32
	bool
	default y if MIPS32_O32 || MIPS32_N32

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endmenu

menu "Power management options"

source "kernel/power/Kconfig"
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endmenu

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source "net/Kconfig"

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source "drivers/Kconfig"

source "fs/Kconfig"

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source "arch/mips/oprofile/Kconfig"

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source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"