Kconfig 58.9 KB
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config MIPS
	bool
	default y
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	select HAVE_GENERIC_DMA_COHERENT
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	select HAVE_IDE
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	select HAVE_OPROFILE
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	select HAVE_IRQ_WORK
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	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
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	select HAVE_ARCH_KGDB
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	select HAVE_FUNCTION_TRACER
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	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
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	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
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	select HAVE_C_RECORDMCOUNT
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	select HAVE_FUNCTION_GRAPH_TRACER
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	select HAVE_KPROBES
	select HAVE_KRETPROBES
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	select RTC_LIB if !MACH_LOONGSON
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	select GENERIC_ATOMIC64 if !64BIT
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	select HAVE_DMA_ATTRS
	select HAVE_DMA_API_DEBUG
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	select HAVE_GENERIC_HARDIRQS
	select GENERIC_IRQ_PROBE
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	select GENERIC_IRQ_SHOW
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	select HAVE_ARCH_JUMP_LABEL
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menu "Machine selection"

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config ZONE_DMA
	bool

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choice
	prompt "System type"
	default SGI_IP22
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config MIPS_ALCHEMY
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	bool "Alchemy processor based machines"
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	select 64BIT_PHYS_ADDR
	select CEVT_R4K_LIB
	select CSRC_R4K_LIB
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
	select GENERIC_GPIO
	select ARCH_WANT_OPTIONAL_GPIOLIB
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	select SYS_SUPPORTS_ZBOOT
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config AR7
	bool "Texas Instruments AR7"
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select NO_EXCEPT_FILL
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select ARCH_REQUIRE_GPIOLIB
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	select GCD
	select VLYNQ
	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

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config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
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	select ARCH_REQUIRE_GPIOLIB
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	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
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	select MIPS_MACHINE
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	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	help
	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.

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config BCM47XX
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	bool "Broadcom BCM47XX based boards"
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	select CEVT_R4K
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	select CSRC_R4K
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SSB
	select SSB_DRIVER_MIPS
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	select SSB_DRIVER_EXTIF
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	select SSB_EMBEDDED
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	select SSB_B43_PCI_BRIDGE if PCI
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	select SSB_PCICORE_HOSTMODE if PCI
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	select GENERIC_GPIO
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	select SYS_HAS_EARLY_PRINTK
	select CFE
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	help
	 Support for BCM47XX based boards

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config BCM63XX
	bool "Broadcom BCM63XX based boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
	select ARCH_REQUIRE_GPIOLIB
	help
	 Support for BCM63XX based boards

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config MIPS_COBALT
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	bool "Cobalt Server"
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	select CEVT_R4K
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	select CSRC_R4K
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	select CEVT_GT641XX
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
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	select I8253
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	select I8259
	select IRQ_CPU
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	select IRQ_GT641XX
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	select PCI_GT64XXX_PCI0
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	select PCI
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	select SYS_HAS_CPU_NEVADA
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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_64BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config MACH_DECSTATION
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	bool "DECstations"
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	select BOOT_ELF32
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	select CEVT_DS1287
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	select CEVT_R4K
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	select CSRC_IOASIC
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	select CSRC_R4K
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	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
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	select DMA_NONCOHERENT
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	select NO_IOPORT
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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:

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		DECstation 5000/50
		DECstation 5000/150
		DECstation 5000/260
		DECsystem 5900/260
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	  otherwise choose R3000.

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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
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	select CEVT_R4K
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	select CSRC_R4K
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	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
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	select GENERIC_ISA_DMA
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	select IRQ_CPU
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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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	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.
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	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
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	 Olivetti M700-10 workstations.

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config MACH_JZ4740
	bool "Ingenic JZ4740 based machines"
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select DMA_NONCOHERENT
	select IRQ_CPU
	select GENERIC_GPIO
	select ARCH_REQUIRE_GPIOLIB
	select SYS_HAS_EARLY_PRINTK
	select HAVE_PWM
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	select HAVE_CLK
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config LASAT
	bool "LASAT Networks platforms"
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	select CEVT_R4K
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	select CSRC_R4K
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	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
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	select IRQ_CPU
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	select PCI_GT64XXX_PCI0
	select MIPS_NILE4
	select R5000_CPU_SCACHE
	select SYS_HAS_CPU_R5000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
	select SYS_SUPPORTS_LITTLE_ENDIAN

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config MACH_LOONGSON
	bool "Loongson family of machines"
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	select SYS_SUPPORTS_ZBOOT
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	help
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	  This enables the support of Loongson family of machines.

	  Loongson is a family of general-purpose MIPS-compatible CPUs.
	  developed at Institute of Computing Technology (ICT),
	  Chinese Academy of Sciences (CAS) in the People's Republic
	  of China. The chief architect is Professor Weiwu Hu.
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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
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	select BOOT_RAW
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	select CEVT_R4K
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	select CSRC_R4K
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	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
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	select IRQ_CPU
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	select IRQ_GIC
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	select HW_HAS_PCI
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	select I8253
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	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 PCI_GT64XXX_PCI0
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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_MIPS_CMP
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	select SYS_SUPPORTS_MULTITHREADING
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	select SYS_SUPPORTS_SMARTMIPS
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	select SYS_SUPPORTS_ZBOOT
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	help
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	  This enables support for the MIPS Technologies Malta evaluation
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	  board.

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config MIPS_SIM
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	bool 'MIPS simulator (MIPSsim)'
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	select CEVT_R4K
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	select CSRC_R4K
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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 BOOT_RAW
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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
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	select SYS_SUPPORTS_MULTITHREADING
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	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 NEC_MARKEINS
	bool "NEC EMMA2RH Mark-eins board"
	select SOC_EMMA2RH
	select HW_HAS_PCI
	help
	  This enables support for the NEC Electronics Mark-eins boards.
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config MACH_VR41XX
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	bool "NEC VR4100 series based machines"
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	select CEVT_R4K
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	select CSRC_R4K
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	select SYS_HAS_CPU_VR41XX
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	select ARCH_REQUIRE_GPIOLIB
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config NXP_STB220
	bool "NXP STB220 board"
	select SOC_PNX833X
	help
	 Support for NXP Semiconductors STB220 Development Board.

config NXP_STB225
	bool "NXP 225 board"
	select SOC_PNX833X
	select SOC_PNX8335
	help
	 Support for NXP Semiconductors STB225 Development Board.

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config PNX8550_JBS
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	bool "NXP PNX8550 based JBS board"
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	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

config PNX8550_STB810
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	bool "NXP PNX8550 based STB810 board"
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	select PNX8550
	select SYS_SUPPORTS_LITTLE_ENDIAN

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config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
	depends on EXPERIMENTAL
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	select CEVT_R4K
	select CSRC_R4K
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	select DMA_NONCOHERENT
	select SWAP_IO_SPACE
	select NO_EXCEPT_FILL
	select BOOT_RAW
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select IRQ_CPU
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
	help
	  This adds support for the PMC-Sierra family of Multi-Service
	  Processor System-On-A-Chips.  These parts include a number
	  of integrated peripherals, interfaces and DSPs in addition to
	  a variety of MIPS cores.

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config PMC_YOSEMITE
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	bool "PMC-Sierra Yosemite eval board"
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	select CEVT_R4K
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	select CSRC_R4K
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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
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	select SYS_SUPPORTS_SMP
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	help
	  Yosemite is an evaluation board for the RM9000x2 processor
	  manufactured by PMC-Sierra.
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config POWERTV
	bool "Cisco PowerTV"
	select BOOT_ELF32
	select CEVT_R4K
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select CSRC_POWERTV
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select SYS_HAS_EARLY_PRINTK
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select USB_OHCI_LITTLE_ENDIAN
	help
	  This enables support for the Cisco PowerTV Platform.

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config SGI_IP22
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	bool "SGI IP22 (Indy/Indigo2)"
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	select ARC
	select ARC32
	select BOOT_ELF32
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	select CEVT_R4K
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	select CSRC_R4K
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	select DEFAULT_SGI_PARTITION
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	select DMA_NONCOHERENT
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	select HW_HAS_EISA
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	select I8253
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	select I8259
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	select IP22_CPU_SCACHE
	select IRQ_CPU
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	select GENERIC_ISA_DMA_SUPPORT_BROKEN
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	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
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	select SGI_HAS_HAL2
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	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
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	#
	# Disable EARLY_PRINTK for now since it leads to overwritten prom
	# memory during early boot on some machines.
	#
	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
	# for a more details discussion
	#
	# 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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	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
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	bool "SGI IP27 (Origin200/2000)"
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	select ARC
	select ARC64
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	select BOOT_ELF64
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	select DEFAULT_SGI_PARTITION
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	select DMA_COHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select HW_HAS_PCI
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	select NR_CPUS_DEFAULT_64
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	select SYS_HAS_CPU_R10000
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_NUMA
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	select SYS_SUPPORTS_SMP
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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.

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config SGI_IP28
	bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	select ARC
	select ARC64
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select IRQ_CPU
	select HW_HAS_EISA
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
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	select SGI_HAS_HAL2
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	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
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	#
	# Disable EARLY_PRINTK for now since it leads to overwritten prom
	# memory during early boot on some machines.
	#
	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
	# for a more details discussion
	#
	# select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
      help
        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
        kernel that runs on these, say Y here.

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config SGI_IP32
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	bool "SGI IP32 (O2)"
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	select ARC
	select ARC32
	select BOOT_ELF32
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	select CEVT_R4K
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	select CSRC_R4K
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
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	select IRQ_CPU
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	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
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	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
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
	help
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	  If you want this kernel to run on SGI O2 workstation, say Y here.
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config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
	depends on EXPERIMENTAL
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	select BOOT_ELF32
	select DMA_COHERENT
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	select SIBYTE_BCM1120
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_SB1
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

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config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
	depends on EXPERIMENTAL
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	select BOOT_ELF32
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	select DMA_COHERENT
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	select SIBYTE_BCM1120
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_SB1
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
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	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
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	select SIBYTE_BCM1125
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	select SWAP_IO_SPACE
544
	select SYS_HAS_CPU_SB1
545
	select SYS_SUPPORTS_BIG_ENDIAN
546
	select SYS_SUPPORTS_HIGHMEM
547
	select SYS_SUPPORTS_LITTLE_ENDIAN
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549
config SIBYTE_RHONE
550
	bool "Sibyte BCM91125E-Rhone"
551 552 553 554 555
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
556
	select SYS_HAS_CPU_SB1
557 558
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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560 561
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
562
	select BOOT_ELF32
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563
	select DMA_COHERENT
564
	select HAVE_PATA_PLATFORM
565 566
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
567
	select SWAP_IO_SPACE
568
	select SYS_HAS_CPU_SB1
569
	select SYS_SUPPORTS_BIG_ENDIAN
570
	select SYS_SUPPORTS_HIGHMEM
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571
	select SYS_SUPPORTS_LITTLE_ENDIAN
572
	select ZONE_DMA32 if 64BIT
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573

574 575
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
576 577 578
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
579
	select HAVE_PATA_PLATFORM
580
	select NR_CPUS_DEFAULT_2
581 582
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
583
	select SYS_HAS_CPU_SB1
584 585 586
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
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588 589
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
590 591 592
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select DMA_COHERENT
593
	select NR_CPUS_DEFAULT_2
594 595
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
596
	select SYS_HAS_CPU_SB1
597 598
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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600 601
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
602 603
	select BOOT_ELF32
	select DMA_COHERENT
604 605
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
606
	select SWAP_IO_SPACE
607
	select SYS_HAS_CPU_SB1
608
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_HIGHMEM
610
	select SYS_SUPPORTS_LITTLE_ENDIAN
611
	select ZONE_DMA32 if 64BIT
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613 614
config SNI_RM
	bool "SNI RM200/300/400"
615 616
	select ARC if CPU_LITTLE_ENDIAN
	select ARC32 if CPU_LITTLE_ENDIAN
617
	select SNIPROM if CPU_BIG_ENDIAN
618
	select ARCH_MAY_HAVE_PC_FDC
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	select BOOT_ELF32
620
	select CEVT_R4K
621
	select CSRC_R4K
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	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
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623 624
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
625
	select HW_HAS_EISA
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626
	select HW_HAS_PCI
627
	select IRQ_CPU
628
	select I8253
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	select I8259
	select ISA
631
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
632
	select SYS_HAS_CPU_R4X00
633
	select SYS_HAS_CPU_R5000
634
	select SYS_HAS_CPU_R10000
635
	select R5000_CPU_SCACHE
636
	select SYS_HAS_EARLY_PRINTK
637 638
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
639
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_HIGHMEM
641
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	help
643 644
	  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.

648 649
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
650

651 652
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
653

654 655 656 657 658 659 660 661 662 663 664 665
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
666
	select ARCH_REQUIRE_GPIOLIB
667 668 669 670
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

671 672
config WR_PPMC
	bool "Wind River PPMC board"
673
	select CEVT_R4K
674
	select CSRC_R4K
675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693
	select IRQ_CPU
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select PCI_GT64XXX_PCI0
	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.

694
config CAVIUM_OCTEON_SIMULATOR
695
	bool "Cavium Networks Octeon Simulator"
696 697 698 699 700 701
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
702
	select SYS_SUPPORTS_HOTPLUG_CPU
703
	select SYS_HAS_CPU_CAVIUM_OCTEON
704 705 706 707 708 709
	help
	  The Octeon simulator is software performance model of the Cavium
	  Octeon Processor. It supports simulating Octeon processors on x86
	  hardware.

config CAVIUM_OCTEON_REFERENCE_BOARD
710
	bool "Cavium Networks Octeon reference board"
711 712 713 714 715 716
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
717
	select SYS_SUPPORTS_HOTPLUG_CPU
718
	select SYS_HAS_EARLY_PRINTK
719
	select SYS_HAS_CPU_CAVIUM_OCTEON
720
	select SWAP_IO_SPACE
721 722
	select HW_HAS_PCI
	select ARCH_SUPPORTS_MSI
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	select ZONE_DMA32
724 725
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
726 727 728 729 730 731 732 733 734 735 736 737 738
	help
	  This option supports all of the Octeon reference boards from Cavium
	  Networks. It builds a kernel that dynamically determines the Octeon
	  CPU type and supports all known board reference implementations.
	  Some of the supported boards are:
		EBT3000
		EBH3000
		EBH3100
		Thunder
		Kodama
		Hikari
	  Say Y here for most Octeon reference boards.

739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765
config NLM_XLR_BOARD
	bool "Netlogic XLR/XLS based systems"
	depends on EXPERIMENTAL
	select BOOT_ELF32
	select NLM_COMMON
	select NLM_XLR
	select SYS_HAS_CPU_XLR
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select 64BIT_PHYS_ADDR
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select ZONE_DMA if 64BIT
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

766
endchoice
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source "arch/mips/alchemy/Kconfig"
769
source "arch/mips/ath79/Kconfig"
770
source "arch/mips/bcm63xx/Kconfig"
771
source "arch/mips/jazz/Kconfig"
772
source "arch/mips/jz4740/Kconfig"
773
source "arch/mips/lasat/Kconfig"
774
source "arch/mips/pmc-sierra/Kconfig"
775
source "arch/mips/powertv/Kconfig"
776
source "arch/mips/sgi-ip27/Kconfig"
777
source "arch/mips/sibyte/Kconfig"
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source "arch/mips/txx9/Kconfig"
779
source "arch/mips/vr41xx/Kconfig"
780
source "arch/mips/cavium-octeon/Kconfig"
781
source "arch/mips/loongson/Kconfig"
782
source "arch/mips/netlogic/Kconfig"
783

784 785
endmenu

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config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

793 794 795 796 797 798 799 800
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

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config ARCH_SUPPORTS_OPROFILE
	bool
	default y if !MIPS_MT_SMTC

805 806 807 808
config GENERIC_FIND_NEXT_BIT
	bool
	default y

809 810 811 812
config GENERIC_FIND_BIT_LE
	bool
	default y

813 814 815 816
config GENERIC_HWEIGHT
	bool
	default y

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config GENERIC_CALIBRATE_DELAY
	bool
	default y

821 822 823 824
config GENERIC_CLOCKEVENTS
	bool
	default y

825 826 827 828
config GENERIC_CMOS_UPDATE
	bool
	default y

829
config SCHED_OMIT_FRAME_POINTER
830 831 832
	bool
	default y

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833 834 835 836 837 838
#
# Select some configuration options automatically based on user selections.
#
config ARC
	bool

839 840 841
config ARCH_MAY_HAVE_PC_FDC
	bool

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842 843 844
config BOOT_RAW
	bool

845 846 847
config CEVT_BCM1480
	bool

848 849 850
config CEVT_DS1287
	bool

851 852 853
config CEVT_GT641XX
	bool

854 855 856
config CEVT_R4K_LIB
	bool

857
config CEVT_R4K
858
	select CEVT_R4K_LIB
859 860
	bool

861 862 863
config CEVT_SB1250
	bool

864 865 866
config CEVT_TXX9
	bool

867 868 869
config CSRC_BCM1480
	bool

870 871 872
config CSRC_IOASIC
	bool

873 874 875
config CSRC_POWERTV
	bool

876 877 878
config CSRC_R4K_LIB
	bool

879
config CSRC_R4K
880
	select CSRC_R4K_LIB
881 882
	bool

883 884 885
config CSRC_SB1250
	bool

886 887
config GPIO_TXX9
	select GENERIC_GPIO
M
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	select ARCH_REQUIRE_GPIOLIB
889 890
	bool

891 892 893
config CFE
	bool

894 895 896
config ARCH_DMA_ADDR_T_64BIT
	def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT

897
config DMA_COHERENT
L
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898 899
	bool

900 901
config DMA_NONCOHERENT
	bool
902
	select NEED_DMA_MAP_STATE
903

904
config NEED_DMA_MAP_STATE
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905 906
	bool

907
config SYS_HAS_EARLY_PRINTK
L
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908 909
	bool

910
config HOTPLUG_CPU
911 912 913 914 915 916 917 918 919 920
	bool "Support for hot-pluggable CPUs"
	depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Say Y here to allow turning CPUs off and on. CPUs can be
	  controlled through /sys/devices/system/cpu.
	  (Note: power management support will enable this option
	    automatically on SMP systems. )
	  Say N if you want to disable CPU hotplug.

config SYS_SUPPORTS_HOTPLUG_CPU
921 922
	bool

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923 924 925 926 927 928 929 930 931
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

932 933 934
config MIPS_NILE4
	bool

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935 936 937
config MIPS_DISABLE_OBSOLETE_IDE
	bool

938 939 940
config SYNC_R4K
	bool

941 942 943
config MIPS_MACHINE
	def_bool n

944 945 946
config NO_IOPORT
	def_bool n

947 948 949
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
950
	select ISA_DMA_API
951

952 953
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
954
	select GENERIC_ISA_DMA
955

956 957 958
config ISA_DMA_API
	bool

Y
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959 960 961
config GENERIC_GPIO
	bool

962
#
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963
# Endianess selection.  Sufficiently obscure so many users don't know what to
964 965 966 967 968
# 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
971
	  byte order. These modes require different kernels and a different
M
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	  Linux distribution.  In general there is one preferred byteorder for a
973
	  particular system but some systems are just as commonly used in the
974
	  one or the other endianness.
975 976 977 978 979 980 981 982 983 984 985 986

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

987 988 989
config EXPORT_UASM
	bool

990 991 992
config SYS_SUPPORTS_APM_EMULATION
	bool

993 994 995 996 997
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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999 1000 1001 1002 1003
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

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config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

1010 1011 1012
config IRQ_CPU_RM9K
	bool

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1013 1014 1015 1016 1017 1018
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1019 1020 1021
config IRQ_TXX9
	bool

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Yoichi Yuasa 已提交
1022 1023 1024
config IRQ_GT641XX
	bool

1025 1026 1027
config IRQ_GIC
	bool

L
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1028 1029 1030
config MIPS_BOARDS_GEN
	bool

1031
config PCI_GT64XXX_PCI0
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1032 1033
	bool

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1034 1035 1036
config NO_EXCEPT_FILL
	bool

1037 1038 1039 1040
config MIPS_RM9122
	bool
	select SERIAL_RM9000

1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
	select GENERIC_GPIO
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1070 1071 1072 1073 1074 1075 1076 1077
config PNX8550
	bool
	select SOC_PNX8550

config SOC_PNX8550
	bool
	select DMA_NONCOHERENT
	select HW_HAS_PCI
1078
	select SYS_HAS_CPU_MIPS32_R1
1079
	select SYS_HAS_EARLY_PRINTK
1080
	select SYS_SUPPORTS_32BIT_KERNEL
1081
	select GENERIC_GPIO
1082

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1083 1084 1085
config SWAP_IO_SPACE
	bool

1086 1087 1088
config SERIAL_RM9000
	bool

T
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1089 1090 1091
config SGI_HAS_INDYDOG
	bool

1092 1093 1094
config SGI_HAS_HAL2
	bool

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1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
config SGI_HAS_SEEQ
	bool

config SGI_HAS_WD93
	bool

config SGI_HAS_ZILOG
	bool

config SGI_HAS_I8042
	bool

config DEFAULT_SGI_PARTITION
	bool

1110 1111 1112
config ARC32
	bool

1113 1114 1115
config SNIPROM
	bool

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1116 1117 1118 1119 1120
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
1121
	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1122
	default "6" if MIPS_CPU_SCACHE
1123
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
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	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
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1131
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
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1132 1133 1134

config ARC_MEMORY
	bool
1135
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
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1136 1137 1138 1139
	default y

config ARC_PROMLIB
	bool
T
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1140
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
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1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154
	default y

config ARC64
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1155 1156 1157 1158
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1159 1160 1161 1162
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
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	  It has an internal FPGA northbridge, which is compatible to
1164 1165 1166 1167 1168 1169
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1170 1171
	select GENERIC_GPIO
	select ARCH_REQUIRE_GPIOLIB
1172 1173 1174 1175 1176 1177 1178 1179
	help
	  The Loongson 2F processor implements the MIPS III instruction set
	  with many extensions.

	  Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
	  have a similar programming interface with FPGA northbridge used in
	  Loongson2E.

1180 1181
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1182
	depends on SYS_HAS_CPU_MIPS32_R1
1183
	select CPU_HAS_PREFETCH
R
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1184
	select CPU_SUPPORTS_32BIT_KERNEL
1185
	select CPU_SUPPORTS_HIGHMEM
R
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1186
	help
1187
	  Choose this option to build a kernel for release 1 or later of the
R
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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"
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	depends on SYS_HAS_CPU_MIPS32_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1202
	select CPU_SUPPORTS_HIGHMEM
1203
	help
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	  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"
1212
	depends on SYS_HAS_CPU_MIPS64_R1
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1216
	select CPU_SUPPORTS_HIGHMEM
1217
	select CPU_SUPPORTS_HUGEPAGES
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	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"
1231
	depends on SYS_HAS_CPU_MIPS64_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1235
	select CPU_SUPPORTS_HIGHMEM
1236
	select CPU_SUPPORTS_HUGEPAGES
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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"
1246
	depends on SYS_HAS_CPU_R3000
1247
	select CPU_HAS_WB
1248
	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"
1260
	depends on SYS_HAS_CPU_TX39XX
1261
	select CPU_SUPPORTS_32BIT_KERNEL
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config CPU_VR41XX
	bool "R41xx"
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	depends on SYS_HAS_CPU_VR41XX
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
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	  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"
1276
	depends on SYS_HAS_CPU_R4300
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	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"
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	depends on SYS_HAS_CPU_R4X00
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	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"
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	depends on SYS_HAS_CPU_TX49XX
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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"
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	depends on SYS_HAS_CPU_R5000
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	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"
1308
	depends on SYS_HAS_CPU_R5432
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HUGEPAGES
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	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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config CPU_R6000
	bool "R6000"
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	depends on EXPERIMENTAL
1325
	depends on SYS_HAS_CPU_R6000
1326
	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"
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	depends on SYS_HAS_CPU_NEVADA
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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"
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	depends on EXPERIMENTAL
1342
	depends on SYS_HAS_CPU_R8000
1343
	select CPU_HAS_PREFETCH
1344
	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"
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	depends on SYS_HAS_CPU_R10000
1352
	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
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	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
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	depends on SYS_HAS_CPU_RM7000
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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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	select CPU_SUPPORTS_HIGHMEM
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config CPU_RM9000
	bool "RM9000"
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	depends on SYS_HAS_CPU_RM9000
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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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	select CPU_SUPPORTS_HIGHMEM
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	select WEAK_ORDERING
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config CPU_SB1
	bool "SB1"
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	depends on SYS_HAS_CPU_SB1
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	select WEAK_ORDERING
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config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1386
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
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	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
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	select CPU_SUPPORTS_HUGEPAGES
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	help
	  The Cavium Octeon processor is a highly integrated chip containing
	  many ethernet hardware widgets for networking tasks. The processor
	  can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
	  Full details can be found at http://www.caviumnetworks.com.

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config CPU_BMIPS3300
	bool "BMIPS3300"
	depends on SYS_HAS_CPU_BMIPS3300
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select WEAK_ORDERING
	help
	  Broadcom BMIPS3300 processors.

config CPU_BMIPS4350
	bool "BMIPS4350"
	depends on SYS_HAS_CPU_BMIPS4350
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select WEAK_ORDERING
	help
	  Broadcom BMIPS4350 ("VIPER") processors.

config CPU_BMIPS4380
	bool "BMIPS4380"
	depends on SYS_HAS_CPU_BMIPS4380
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select WEAK_ORDERING
	help
	  Broadcom BMIPS4380 processors.

config CPU_BMIPS5000
	bool "BMIPS5000"
	depends on SYS_HAS_CPU_BMIPS5000
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select WEAK_ORDERING
	help
	  Broadcom BMIPS5000 processors.

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config CPU_XLR
	bool "Netlogic XLR SoC"
	depends on SYS_HAS_CPU_XLR
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	select CPU_SUPPORTS_HUGEPAGES
	help
	  Netlogic Microsystems XLR/XLS processors.
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endchoice

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if CPU_LOONGSON2F
config CPU_NOP_WORKAROUNDS
	bool

config CPU_JUMP_WORKAROUNDS
	bool

config CPU_LOONGSON2F_WORKAROUNDS
	bool "Loongson 2F Workarounds"
	default y
	select CPU_NOP_WORKAROUNDS
	select CPU_JUMP_WORKAROUNDS
	help
	  Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
	  require workarounds.  Without workarounds the system may hang
	  unexpectedly.  For more information please refer to the gas
	  -mfix-loongson2f-nop and -mfix-loongson2f-jump options.

	  Loongson 2F03 and later have fixed these issues and no workarounds
	  are needed.  The workarounds have no significant side effect on them
	  but may decrease the performance of the system so this option should
	  be disabled unless the kernel is intended to be run on 2F01 or 2F02
	  systems.

	  If unsure, please say Y.
endif # CPU_LOONGSON2F

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config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
1496
	select HAVE_KERNEL_LZO
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config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

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config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM

config SYS_HAS_CPU_LOONGSON2E
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	bool

1511 1512
config SYS_HAS_CPU_LOONGSON2F
	bool
1513 1514
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1515
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1516

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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

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config SYS_HAS_CPU_R5500
	bool

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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 SYS_HAS_CPU_CAVIUM_OCTEON
	bool

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config SYS_HAS_CPU_BMIPS3300
	bool

config SYS_HAS_CPU_BMIPS4350
	bool

config SYS_HAS_CPU_BMIPS4380
	bool

config SYS_HAS_CPU_BMIPS5000
	bool

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config SYS_HAS_CPU_XLR
	bool

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#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
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config WEAK_ORDERING
	bool
1601 1602 1603 1604 1605 1606 1607

#
# CPU may reorder reads and writes beyond LL/SC
# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
#
config WEAK_REORDERING_BEYOND_LLSC
	bool
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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
1630
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
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config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
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config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1644 1645
config CPU_SUPPORTS_HUGEPAGES
	bool
1646 1647
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1648 1649 1650
config MIPS_PGD_C0_CONTEXT
	bool
	default y if 64BIT && CPU_MIPSR2
1651

1652 1653 1654 1655 1656
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1657
       default y if CPU_MIPSR1 || CPU_MIPSR2
1658

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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
1679
	select HAVE_SYSCALL_WRAPPERS
1680 1681 1682 1683 1684
	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"
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	depends on !CPU_LOONGSON2
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	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"
1700
	depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
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	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
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	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
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config PAGE_SIZE_16KB
	bool "16kB"
1709
	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
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	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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config PAGE_SIZE_32KB
	bool "32kB"
	depends on CPU_CAVIUM_OCTEON
	help
	  Using 32kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
	  only on cnMIPS cores.  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
1732
	  writing this option is still high experimental.
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endchoice

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config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
	range 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
	default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
	range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
	default "12" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
	range 11 64
	default "11"
	help
	  The kernel memory allocator divides physically contiguous memory
	  blocks into "zones", where each zone is a power of two number of
	  pages.  This option selects the largest power of two that the kernel
	  keeps in the memory allocator.  If you need to allocate very large
	  blocks of physically contiguous memory, then you may need to
	  increase this value.

	  This config option is actually maximum order plus one. For example,
	  a value of 11 means that the largest free memory block is 2^10 pages.

	  The page size is not necessarily 4KB.  Keep this in mind
	  when choosing a value for this option.

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config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

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#
# 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
1789
	bool
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choice
	prompt "MIPS MT options"
1793 1794 1795 1796 1797 1798 1799 1800

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"
1804
	depends on SYS_SUPPORTS_MULTITHREADING
1805
	select CPU_MIPSR2_IRQ_VI
1806
	select CPU_MIPSR2_IRQ_EI
1807
	select MIPS_MT
1808
	select NR_CPUS_DEFAULT_2
1809
	select SMP
1810
	select SYS_SUPPORTS_SCHED_SMT if SMP
1811
	select SYS_SUPPORTS_SMP
1812
	select SMP_UP
1813
	help
1814 1815 1816 1817 1818 1819 1820 1821 1822 1823
	  This is a kernel model which is known a VSMP but lately has been
	  marketesed into SMVP.
	  Virtual SMP uses the processor's VPEs  to implement virtual
	  processors. In currently available configuration of the 34K processor
	  this allows for a dual processor. Both processors will share the same
	  primary caches; each will obtain the half of the TLB for it's own
	  exclusive use. For a layman this model can be described as similar to
	  what Intel calls Hyperthreading.

	  For further information see http://www.linux-mips.org/wiki/34K#VSMP
1824

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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 ...
1829 1830
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1831
	select CPU_MIPSR2_IRQ_EI
1832
	select MIPS_MT
1833
	select NR_CPUS_DEFAULT_8
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	select SMP
1835
	select SYS_SUPPORTS_SMP
1836
	select SMP_UP
1837
	help
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	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
1840 1841 1842 1843 1844 1845 1846 1847
	  is presenting the available TC's of the core as processors to Linux.
	  On currently available 34K processors this means a Linux system will
	  see up to 5 processors. The implementation of the SMTC kernel differs
	  significantly from VSMP and cannot efficiently coexist in the same
	  kernel binary so the choice between VSMP and SMTC is a compile time
	  decision.

	  For further information see http://www.linux-mips.org/wiki/34K#SMTC
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endchoice

1851 1852 1853
config MIPS_MT
	bool

1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866
config SCHED_SMT
	bool "SMT (multithreading) scheduler support"
	depends on SYS_SUPPORTS_SCHED_SMT
	default n
	help
	  SMT scheduler support improves the CPU scheduler's decision making
	  when dealing with MIPS MT enabled cores at a cost of slightly
	  increased overhead in some places. If unsure say N here.

config SYS_SUPPORTS_SCHED_SMT
	bool


1867 1868 1869
config SYS_SUPPORTS_MULTITHREADING
	bool

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config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883
	depends on MIPS_MT_SMP || MIPS_MT_SMTC

config MIPS_VPE_LOADER
	bool "VPE loader support."
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select MIPS_MT
	help
	  Includes a loader for loading an elf relocatable object
	  onto another VPE and running it.
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1885 1886 1887
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
1888
	default n
1889 1890 1891 1892 1893 1894
	help
	  To support multiple TC microthreads acting as "CPUs" within
	  a VPE, VPE-wide interrupt mask bits must be specially manipulated
	  during interrupt handling. To support legacy drivers and interrupt
	  controller management code, SMTC has a "backstop" to track and
	  if necessary restore the interrupt mask. This has some performance
1895
	  impact on interrupt service overhead.
1896

1897 1898 1899 1900 1901 1902 1903 1904
config MIPS_MT_SMTC_IRQAFF
	bool "Support IRQ affinity API"
	depends on MIPS_MT_SMTC
	default n
	help
	  Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
	  for SMTC Linux kernel. Requires platform support, of which
	  an example can be found in the MIPS kernel i8259 and Malta
1905 1906
	  platform code.  Adds some overhead to interrupt dispatch, and
	  should be used only if you know what you are doing.
1907

1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919
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
1920 1921 1922
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1923

1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
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.

1934 1935 1936
config MIPS_CMP
	bool "MIPS CMP framework support"
	depends on SYS_SUPPORTS_MIPS_CMP
1937
	select SYNC_R4K
1938 1939 1940 1941 1942 1943 1944 1945
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT if SMP
	select WEAK_ORDERING
	default n
	help
	  This is a placeholder option for the GCMP work. It will need to
	  be handled differently...

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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
1962
	bool
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1964 1965 1966
config ARCH_PHYS_ADDR_T_64BIT
       def_bool 64BIT_PHYS_ADDR

1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978
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
1980
	bool
1981

1982 1983 1984
#
# Vectored interrupt mode is an R2 feature
#
1985
config CPU_MIPSR2_IRQ_VI
1986
	bool
1987

1988 1989 1990
#
# Extended interrupt mode is an R2 feature
#
1991
config CPU_MIPSR2_IRQ_EI
1992
	bool
1993

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

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config GENERIC_CLOCKEVENTS_BROADCAST
	bool

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	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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2038 2039 2040
config SYS_SUPPORTS_SMARTMIPS
	bool

2041 2042
config ARCH_FLATMEM_ENABLE
	def_bool y
2043
	depends on !NUMA && !CPU_LOONGSON2
2044

2045 2046 2047 2048
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2049
	  Say Y to support efficient handling of discontiguous physical memory,
2050 2051 2052 2053
	  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.

2054 2055 2056
config ARCH_POPULATES_NODE_MAP
	def_bool y

2057 2058
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2060

2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073
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

2079 2080 2081 2082 2083 2084 2085 2086
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && CPU_MIPS32
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2087 2088
source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
2091
	depends on SYS_SUPPORTS_SMP
2092
	select IRQ_PER_CPU
2093
	select USE_GENERIC_SMP_HELPERS
2094
	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.

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	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
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	  If you don't know what to do here, say N.

2113 2114 2115
config SMP_UP
	bool

2116 2117 2118
config SYS_SUPPORTS_MIPS_CMP
	bool

2119 2120 2121
config SYS_SUPPORTS_SMP
	bool

2122 2123 2124
config NR_CPUS_DEFAULT_1
	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)"
2145
	range 1 64 if NR_CPUS_DEFAULT_1
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	depends on SMP
2147
	default "1" if NR_CPUS_DEFAULT_1
2148 2149 2150 2151 2152 2153
	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
2158 2159
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
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	  This is purely to save memory - each supported CPU adds
2162 2163 2164
	  approximately eight kilobytes to the kernel image.  For best
	  performance should round up your number of processors to the next
	  power of two.
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2166 2167
source "kernel/time/Kconfig"

2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2179
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238

	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"
2243
	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.

2251 2252 2253 2254 2255 2256
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
2257
	  but it is independent of the system firmware.   And like a reboot
2258 2259
	  you can start any kernel with it, not just Linux.

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	  The name comes from the similarity to the exec system call.
2261 2262 2263 2264 2265 2266 2267 2268 2269

	  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"
2270
	depends on PROC_FS
2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284
	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.

2285 2286 2287
config USE_OF
	bool "Flattened Device Tree support"
	select OF
2288
	select OF_EARLY_FLATTREE
2289 2290 2291
	help
	  Include support for flattened device tree machine descriptions.

2292 2293
endmenu

2294 2295 2296 2297 2298 2299 2300 2301
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2302 2303
source "init/Kconfig"

2304 2305
source "kernel/Kconfig.freezer"

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

2308 2309
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
2316
	select PCI_DOMAINS
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	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.

config PCI_DOMAINS
	bool

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"
2338
	depends on HW_HAS_EISA
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	select ISA
2340
	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
2360 2361 2362 2363 2364 2365 2366 2367
	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  TURBOchannel programming specifications are available
	  at:
	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
	  and:
	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
	  Linux driver support status is documented at:
	  <http://www.linux-mips.org/wiki/DECstation>
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#config ACCESSBUS
#	bool "Access.Bus support"
#	depends on TC

config MMU
	bool
	default y

2377 2378
config I8253
	bool
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	select MIPS_EXTERNAL_TIMER
2380

2381 2382 2383
config ZONE_DMA32
	bool

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source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2388 2389 2390 2391 2392 2393 2394 2395 2396 2397
config RAPIDIO
	bool "RapidIO support"
	depends on PCI
	default n
	help
	  If you say Y here, the kernel will include drivers and
	  infrastructure code to support RapidIO interconnect devices.

source "drivers/rapidio/Kconfig"

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endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
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	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"

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config ARCH_HIBERNATION_POSSIBLE
	def_bool y
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	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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config ARCH_SUSPEND_POSSIBLE
	def_bool y
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	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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source "kernel/power/Kconfig"
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endmenu

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source "arch/mips/kernel/cpufreq/Kconfig"

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source "net/Kconfig"

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source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

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menuconfig VIRTUALIZATION
	bool "Virtualization"
	default n
	---help---
	  Say Y here to get to see options for using your Linux host to run other
	  operating systems inside virtual machines (guests).
	  This option alone does not add any kernel code.

	  If you say N, all options in this submenu will be skipped and disabled.

if VIRTUALIZATION

source drivers/virtio/Kconfig

endif # VIRTUALIZATION

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source "lib/Kconfig"