Kconfig 72.4 KB
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config MIPS
	bool
	default y
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	select ARCH_SUPPORTS_UPROBES
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	select ARCH_MIGHT_HAVE_PC_PARPORT
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	select ARCH_MIGHT_HAVE_PC_SERIO
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	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
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	select HAVE_CONTEXT_TRACKING
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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_PERF_EVENTS
	select PERF_USE_VMALLOC
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	select HAVE_ARCH_KGDB
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	select HAVE_ARCH_SECCOMP_FILTER
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	select HAVE_ARCH_TRACEHOOK
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	select HAVE_BPF_JIT if !CPU_MICROMIPS
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	select HAVE_FUNCTION_TRACER
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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 HAVE_SYSCALL_TRACEPOINTS
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	select HAVE_DEBUG_KMEMLEAK
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	select HAVE_SYSCALL_TRACEPOINTS
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	select ARCH_HAS_ELF_RANDOMIZE
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	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
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	select RTC_LIB if !MACH_LOONGSON64
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	select GENERIC_ATOMIC64 if !64BIT
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	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
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	select HAVE_DMA_ATTRS
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	select HAVE_DMA_CONTIGUOUS
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	select HAVE_DMA_API_DEBUG
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	select GENERIC_IRQ_PROBE
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	select GENERIC_IRQ_SHOW
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	select GENERIC_PCI_IOMAP
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	select HAVE_ARCH_JUMP_LABEL
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	select ARCH_WANT_IPC_PARSE_VERSION
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	select IRQ_FORCED_THREADING
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	select HAVE_MEMBLOCK
	select HAVE_MEMBLOCK_NODE_MAP
	select ARCH_DISCARD_MEMBLOCK
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	select GENERIC_SMP_IDLE_THREAD
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	select BUILDTIME_EXTABLE_SORT
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	select GENERIC_CLOCKEVENTS
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	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
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	select GENERIC_CMOS_UPDATE
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	select HAVE_MOD_ARCH_SPECIFIC
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	select VIRT_TO_BUS
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	select MODULES_USE_ELF_REL if MODULES
	select MODULES_USE_ELF_RELA if MODULES && 64BIT
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	select CLONE_BACKWARDS
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	select HAVE_DEBUG_STACKOVERFLOW
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	select HAVE_CC_STACKPROTECTOR
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	select CPU_PM if CPU_IDLE
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	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
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	select ARCH_BINFMT_ELF_STATE
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	select SYSCTL_EXCEPTION_TRACE
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	select HAVE_VIRT_CPU_ACCOUNTING_GEN
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	select HAVE_IRQ_TIME_ACCOUNTING
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menu "Machine selection"

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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 ARCH_PHYS_ADDR_T_64BIT
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	select CEVT_R4K
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	select CSRC_R4K
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	select IRQ_MIPS_CPU
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	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
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	select ARCH_REQUIRE_GPIOLIB
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	select SYS_SUPPORTS_ZBOOT
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	select COMMON_CLK
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config AR7
	bool "Texas Instruments AR7"
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select CEVT_R4K
	select CSRC_R4K
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	select IRQ_MIPS_CPU
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	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_MIPS16
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select ARCH_REQUIRE_GPIOLIB
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	select VLYNQ
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	select HAVE_CLK
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	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

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config ATH25
	bool "Atheros AR231x/AR531x SoC support"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select IRQ_DOMAIN
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_HAS_EARLY_PRINTK
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	help
	  Support for Atheros AR231x and Atheros AR531x based boards

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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
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	select HAVE_CLK
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	select COMMON_CLK
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	select CLKDEV_LOOKUP
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	select IRQ_MIPS_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
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_ZBOOT
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	select USE_OF
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	help
	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.

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config BMIPS_GENERIC
	bool "Broadcom Generic BMIPS kernel"
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	select BOOT_RAW
	select NO_EXCEPT_FILL
	select USE_OF
	select CEVT_R4K
	select CSRC_R4K
	select SYNC_R4K
	select COMMON_CLK
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	select BCM7038_L1_IRQ
	select BCM7120_L2_IRQ
	select BRCMSTB_L2_IRQ
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	select IRQ_MIPS_CPU
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	select DMA_NONCOHERENT
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
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	select SYS_HAS_CPU_BMIPS32_3300
	select SYS_HAS_CPU_BMIPS4350
	select SYS_HAS_CPU_BMIPS4380
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	select SYS_HAS_CPU_BMIPS5000
	select SWAP_IO_SPACE
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	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
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	help
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	  Build a generic DT-based kernel image that boots on select
	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
	  must be set appropriately for your board.
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config BCM47XX
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	bool "Broadcom BCM47XX based boards"
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	select ARCH_WANT_OPTIONAL_GPIOLIB
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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 HW_HAS_PCI
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	select IRQ_MIPS_CPU
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	select SYS_HAS_CPU_MIPS32_R1
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	select NO_EXCEPT_FILL
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_HAS_EARLY_PRINTK
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	select USE_GENERIC_EARLY_PRINTK_8250
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	select GPIOLIB
	select LEDS_GPIO_REGISTER
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	select BCM47XX_NVRAM
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	help
	 Support for BCM47XX based boards

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config BCM63XX
	bool "Broadcom BCM63XX based boards"
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	select BOOT_RAW
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	select CEVT_R4K
	select CSRC_R4K
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	select SYNC_R4K
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	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
	select ARCH_REQUIRE_GPIOLIB
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	select HAVE_CLK
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	select MIPS_L1_CACHE_SHIFT_4
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	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
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	select IRQ_MIPS_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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	select USE_GENERIC_EARLY_PRINTK_8250
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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 if CPU_R4X00
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	select CSRC_IOASIC
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	select CSRC_R4K if CPU_R4X00
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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_MAP
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	select IRQ_MIPS_CPU
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	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
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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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	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
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	select MIPS_L1_CACHE_SHIFT_4
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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 FW_ARC
	select FW_ARC32
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	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 HAVE_PCSPKR_PLATFORM
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	select IRQ_MIPS_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
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	select SYS_SUPPORTS_64BIT_KERNEL
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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_INGENIC
	bool "Ingenic SoC based machines"
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select ARCH_REQUIRE_GPIOLIB
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	select COMMON_CLK
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	select GENERIC_IRQ_CHIP
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	select BUILTIN_DTB
	select USE_OF
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	select LIBFDT
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config LANTIQ
	bool "Lantiq based platforms"
	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select CEVT_R4K
	select CSRC_R4K
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_MULTITHREADING
	select SYS_HAS_EARLY_PRINTK
	select ARCH_REQUIRE_GPIOLIB
	select SWAP_IO_SPACE
	select BOOT_RAW
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	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
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	select USE_OF
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	select PINCTRL
	select PINCTRL_LANTIQ
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	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
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config LASAT
	bool "LASAT Networks platforms"
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	select CEVT_R4K
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	select CRC32
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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_MIPS_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_LOONGSON32
	bool "Loongson-1 family of machines"
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	select SYS_SUPPORTS_ZBOOT
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	help
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	  This enables support for the Loongson-1 family of machines.
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	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
	  the Institute of Computing Technology (ICT), Chinese Academy of
	  Sciences (CAS).
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config MACH_LOONGSON64
	bool "Loongson-2/3 family of machines"
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	select SYS_SUPPORTS_ZBOOT
	help
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	  This enables the support of Loongson-2/3 family of machines.
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	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
	  family of multi-core CPUs. They are both 64-bit general-purpose
	  MIPS-compatible CPUs. Loongson-2/3 are developed by the 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 MACH_PISTACHIO
	bool "IMG Pistachio SoC based boards"
	select ARCH_REQUIRE_GPIOLIB
	select BOOT_ELF32
	select BOOT_RAW
	select CEVT_R4K
	select CLKSRC_MIPS_GIC
	select COMMON_CLK
	select CSRC_R4K
	select DMA_MAYBE_COHERENT
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	select IRQ_MIPS_CPU
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	select LIBFDT
	select MFD_SYSCON
	select MIPS_CPU_SCACHE
	select MIPS_GIC
	select PINCTRL
	select REGULATOR
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_MIPS_CPS
	select SYS_SUPPORTS_MULTITHREADING
	select SYS_SUPPORTS_ZBOOT
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	select SYS_HAS_EARLY_PRINTK
	select USE_GENERIC_EARLY_PRINTK_8250
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	select USE_OF
	help
	  This enables support for the IMG Pistachio SoC platform.

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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 BUILTIN_DTB
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	select CEVT_R4K
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	select CSRC_R4K
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	select CLKSRC_MIPS_GIC
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	select COMMON_CLK
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	select DMA_MAYBE_COHERENT
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	select GENERIC_ISA_DMA
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	select HAVE_PCSPKR_PLATFORM
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	select IRQ_MIPS_CPU
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	select MIPS_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_BONITO64
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	select MIPS_CPU_SCACHE
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	select MIPS_L1_CACHE_SHIFT_6
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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
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	select SYS_HAS_CPU_MIPS32_R3_5
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	select SYS_HAS_CPU_MIPS32_R5
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	select SYS_HAS_CPU_MIPS32_R6
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	select SYS_HAS_CPU_MIPS64_R1
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	select SYS_HAS_CPU_MIPS64_R2
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	select SYS_HAS_CPU_MIPS64_R6
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	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
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	select SYS_SUPPORTS_HIGHMEM
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MICROMIPS
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	select SYS_SUPPORTS_MIPS_CMP
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	select SYS_SUPPORTS_MIPS_CPS
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	select SYS_SUPPORTS_MIPS16
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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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	select USE_OF
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	select ZONE_DMA32 if 64BIT
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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_SEAD3
	bool "MIPS SEAD3 board"
	select BOOT_ELF32
	select BOOT_RAW
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	select BUILTIN_DTB
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	select CEVT_R4K
	select CSRC_R4K
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	select CLKSRC_MIPS_GIC
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	select COMMON_CLK
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	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select MIPS_GIC
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	select LIBFDT
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	select MIPS_MSC
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_SMARTMIPS
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	select SYS_SUPPORTS_MICROMIPS
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	select SYS_SUPPORTS_MIPS16
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	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
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	select USE_OF
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	help
	  This enables support for the MIPS Technologies SEAD3 evaluation
	  board.

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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 SYS_SUPPORTS_MIPS16
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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 PMC_MSP
	bool "PMC-Sierra MSP chipsets"
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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
529
	select SYS_SUPPORTS_MIPS16
530
	select IRQ_MIPS_CPU
M
Marc St-Jean 已提交
531 532
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
533 534
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
M
Marc St-Jean 已提交
535 536 537 538 539 540
	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.

J
John Crispin 已提交
541 542 543 544 545 546
config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
547
	select IRQ_MIPS_CPU
J
John Crispin 已提交
548 549 550 551 552
	select USE_OF
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
553
	select SYS_SUPPORTS_MIPS16
J
John Crispin 已提交
554 555 556
	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
557 558
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
J
John Crispin 已提交
559

L
Linus Torvalds 已提交
560
config SGI_IP22
561
	bool "SGI IP22 (Indy/Indigo2)"
562 563
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
564
	select BOOT_ELF32
565
	select CEVT_R4K
566
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
567
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
568
	select DMA_NONCOHERENT
569
	select HW_HAS_EISA
570
	select I8253
571
	select I8259
L
Linus Torvalds 已提交
572
	select IP22_CPU_SCACHE
573
	select IRQ_MIPS_CPU
574
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
575 576
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
577
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
578 579 580
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
581
	select SWAP_IO_SPACE
582 583
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
584 585 586 587 588 589 590 591
	#
	# 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
592 593
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
594
	select SYS_SUPPORTS_BIG_ENDIAN
595
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
596 597 598 599 600 601
	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
602
	bool "SGI IP27 (Origin200/2000)"
603 604
	select FW_ARC
	select FW_ARC64
605
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
606
	select DEFAULT_SGI_PARTITION
607
	select DMA_COHERENT
608
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
609
	select HW_HAS_PCI
610
	select NR_CPUS_DEFAULT_64
611
	select SYS_HAS_CPU_R10000
612
	select SYS_SUPPORTS_64BIT_KERNEL
613
	select SYS_SUPPORTS_BIG_ENDIAN
614
	select SYS_SUPPORTS_NUMA
615
	select SYS_SUPPORTS_SMP
616
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
617 618 619 620 621
	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.

T
Thomas Bogendoerfer 已提交
622
config SGI_IP28
623
	bool "SGI IP28 (Indigo2 R10k)"
624 625
	select FW_ARC
	select FW_ARC64
T
Thomas Bogendoerfer 已提交
626 627 628 629 630 631
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
632
	select IRQ_MIPS_CPU
T
Thomas Bogendoerfer 已提交
633 634 635 636 637
	select HW_HAS_EISA
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
638
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
639 640 641 642 643
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
644 645 646 647 648 649 650 651
	#
	# 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
T
Thomas Bogendoerfer 已提交
652 653
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
654
	select MIPS_L1_CACHE_SHIFT_7
T
Thomas Bogendoerfer 已提交
655 656 657 658
      help
        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
        kernel that runs on these, say Y here.

L
Linus Torvalds 已提交
659
config SGI_IP32
660
	bool "SGI IP32 (O2)"
661 662
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
663
	select BOOT_ELF32
664
	select CEVT_R4K
665
	select CSRC_R4K
L
Linus Torvalds 已提交
666 667
	select DMA_NONCOHERENT
	select HW_HAS_PCI
668
	select IRQ_MIPS_CPU
L
Linus Torvalds 已提交
669 670
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
671 672 673
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
674
	select SYS_HAS_CPU_NEVADA
675
	select SYS_SUPPORTS_64BIT_KERNEL
676 677
	select SYS_SUPPORTS_BIG_ENDIAN
	help
678
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
679

680 681
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
682 683
	select BOOT_ELF32
	select DMA_COHERENT
684
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
685
	select SWAP_IO_SPACE
686
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
687 688 689
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

690 691
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
692
	select BOOT_ELF32
L
Linus Torvalds 已提交
693
	select DMA_COHERENT
694
	select SIBYTE_BCM1120
695
	select SWAP_IO_SPACE
696
	select SYS_HAS_CPU_SB1
697
	select SYS_SUPPORTS_BIG_ENDIAN
698
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
699

700 701
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
702 703
	select BOOT_ELF32
	select DMA_COHERENT
704
	select SIBYTE_BCM1125
705
	select SWAP_IO_SPACE
706
	select SYS_HAS_CPU_SB1
707
	select SYS_SUPPORTS_BIG_ENDIAN
708
	select SYS_SUPPORTS_HIGHMEM
709
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
710

711
config SIBYTE_RHONE
712
	bool "Sibyte BCM91125E-Rhone"
713 714 715 716
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
717
	select SYS_HAS_CPU_SB1
718 719
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
720

721 722
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
723
	select BOOT_ELF32
P
Pete Popov 已提交
724
	select DMA_COHERENT
725
	select HAVE_PATA_PLATFORM
726
	select SIBYTE_SB1250
727
	select SWAP_IO_SPACE
728
	select SYS_HAS_CPU_SB1
729
	select SYS_SUPPORTS_BIG_ENDIAN
730
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
731
	select SYS_SUPPORTS_LITTLE_ENDIAN
732
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
733

734 735
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
736 737
	select BOOT_ELF32
	select DMA_COHERENT
738
	select HAVE_PATA_PLATFORM
739 740
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
741
	select SYS_HAS_CPU_SB1
742 743 744
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
745

746 747
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
748 749 750 751
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
752
	select SYS_HAS_CPU_SB1
753 754
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
755

756 757
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
758 759
	select BOOT_ELF32
	select DMA_COHERENT
760 761
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
762
	select SWAP_IO_SPACE
763
	select SYS_HAS_CPU_SB1
764
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
765
	select SYS_SUPPORTS_HIGHMEM
766
	select SYS_SUPPORTS_LITTLE_ENDIAN
767
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
768

769 770
config SNI_RM
	bool "SNI RM200/300/400"
771 772
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
773
	select FW_SNIPROM if CPU_BIG_ENDIAN
774
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
775
	select BOOT_ELF32
776
	select CEVT_R4K
777
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
778
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
779 780
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
781
	select HAVE_PCSPKR_PLATFORM
782
	select HW_HAS_EISA
L
Linus Torvalds 已提交
783
	select HW_HAS_PCI
784
	select IRQ_MIPS_CPU
785
	select I8253
L
Linus Torvalds 已提交
786 787
	select I8259
	select ISA
788
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
789
	select SYS_HAS_CPU_R4X00
790
	select SYS_HAS_CPU_R5000
791
	select SYS_HAS_CPU_R10000
792
	select R5000_CPU_SCACHE
793
	select SYS_HAS_EARLY_PRINTK
794
	select SYS_SUPPORTS_32BIT_KERNEL
795
	select SYS_SUPPORTS_64BIT_KERNEL
796
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
797
	select SYS_SUPPORTS_HIGHMEM
798
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
799
	help
800 801
	  The SNI RM200/300/400 are MIPS-based machines manufactured by
	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
L
Linus Torvalds 已提交
802 803 804
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

805 806
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
807

808 809
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
810

811 812 813 814 815 816
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select HW_HAS_PCI
817
	select IRQ_MIPS_CPU
818 819 820 821 822
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
823
	select ARCH_REQUIRE_GPIOLIB
824
	select MIPS_L1_CACHE_SHIFT_4
825 826 827 828
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

829 830
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
831
	select CEVT_R4K
832
	select ARCH_PHYS_ADDR_T_64BIT
833 834 835
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
836
	select EDAC_SUPPORT
837
	select EDAC_ATOMIC_SCRUB
838 839
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
840
	select SYS_HAS_EARLY_PRINTK
841
	select SYS_HAS_CPU_CAVIUM_OCTEON
842
	select SWAP_IO_SPACE
843
	select HW_HAS_PCI
D
David Daney 已提交
844
	select ZONE_DMA32
845
	select HOLES_IN_ZONE
846
	select ARCH_REQUIRE_GPIOLIB
847 848 849 850 851
	select LIBFDT
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
852
	select BUILTIN_DTB
853
	select MTD_COMPLEX_MAPPINGS
854 855 856 857 858 859 860 861 862 863 864 865 866
	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.

867 868 869 870 871 872 873 874 875 876
config NLM_XLR_BOARD
	bool "Netlogic XLR/XLS based systems"
	select BOOT_ELF32
	select NLM_COMMON
	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
877
	select ARCH_PHYS_ADDR_T_64BIT
878 879 880 881 882 883
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
884
	select IRQ_MIPS_CPU
885
	select ZONE_DMA32 if 64BIT
886 887
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
888 889
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
890 891 892 893
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

894 895 896 897 898 899 900 901 902
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
903
	select ARCH_PHYS_ADDR_T_64BIT
904
	select ARCH_REQUIRE_GPIOLIB
905 906 907 908 909 910 911
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
912
	select IRQ_MIPS_CPU
913
	select ZONE_DMA32 if 64BIT
914 915
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
916
	select USE_OF
917 918
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
919 920 921 922
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941
config MIPS_PARAVIRT
	bool "Para-Virtualized guest system"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_4
	select SYS_HAS_EARLY_PRINTK
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R2
	select SYS_HAS_CPU_CAVIUM_OCTEON
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	help
	  This option supports guest running under ????

942
endchoice
L
Linus Torvalds 已提交
943

R
Ralf Baechle 已提交
944
source "arch/mips/alchemy/Kconfig"
945
source "arch/mips/ath25/Kconfig"
946
source "arch/mips/ath79/Kconfig"
947
source "arch/mips/bcm47xx/Kconfig"
948
source "arch/mips/bcm63xx/Kconfig"
949
source "arch/mips/bmips/Kconfig"
950
source "arch/mips/jazz/Kconfig"
951
source "arch/mips/jz4740/Kconfig"
952
source "arch/mips/lantiq/Kconfig"
953
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
954
source "arch/mips/pmcs-msp71xx/Kconfig"
J
John Crispin 已提交
955
source "arch/mips/ralink/Kconfig"
956
source "arch/mips/sgi-ip27/Kconfig"
957
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
958
source "arch/mips/txx9/Kconfig"
959
source "arch/mips/vr41xx/Kconfig"
960
source "arch/mips/cavium-octeon/Kconfig"
961 962
source "arch/mips/loongson32/Kconfig"
source "arch/mips/loongson64/Kconfig"
963
source "arch/mips/netlogic/Kconfig"
964
source "arch/mips/paravirt/Kconfig"
965

966 967
endmenu

L
Linus Torvalds 已提交
968 969 970 971 972 973 974
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

975 976 977 978 979 980 981 982
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

983 984 985 986
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
987 988 989 990
config GENERIC_CALIBRATE_DELAY
	bool
	default y

991
config SCHED_OMIT_FRAME_POINTER
992 993 994
	bool
	default y

L
Linus Torvalds 已提交
995 996 997
#
# Select some configuration options automatically based on user selections.
#
998
config FW_ARC
L
Linus Torvalds 已提交
999 1000
	bool

1001 1002 1003
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
1004 1005 1006
config BOOT_RAW
	bool

1007 1008 1009
config CEVT_BCM1480
	bool

1010 1011 1012
config CEVT_DS1287
	bool

1013 1014 1015
config CEVT_GT641XX
	bool

1016 1017 1018
config CEVT_R4K
	bool

1019 1020 1021
config CEVT_SB1250
	bool

1022 1023 1024
config CEVT_TXX9
	bool

1025 1026 1027
config CSRC_BCM1480
	bool

1028 1029 1030
config CSRC_IOASIC
	bool

1031 1032 1033
config CSRC_R4K
	bool

1034 1035 1036
config CSRC_SB1250
	bool

1037
config GPIO_TXX9
M
Michael Buesch 已提交
1038
	select ARCH_REQUIRE_GPIOLIB
1039 1040
	bool

1041
config FW_CFE
1042 1043
	bool

1044
config ARCH_DMA_ADDR_T_64BIT
1045
	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1046

R
Ralf Baechle 已提交
1047 1048 1049
config ARCH_SUPPORTS_UPROBES
	bool

1050 1051 1052 1053
config DMA_MAYBE_COHERENT
	select DMA_NONCOHERENT
	bool

1054
config DMA_COHERENT
L
Linus Torvalds 已提交
1055 1056
	bool

1057 1058
config DMA_NONCOHERENT
	bool
1059
	select NEED_DMA_MAP_STATE
1060

1061
config NEED_DMA_MAP_STATE
L
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	bool

1064
config SYS_HAS_EARLY_PRINTK
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	bool

1067
config HOTPLUG_CPU
1068
	bool "Support for hot-pluggable CPUs"
1069
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1070 1071 1072 1073 1074 1075 1076 1077
	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
1078 1079
	bool

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config I8259
	bool
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	select IRQ_DOMAIN
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config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1090 1091 1092
config MIPS_NILE4
	bool

1093 1094 1095
config SYNC_R4K
	bool

1096 1097 1098
config MIPS_MACHINE
	def_bool n

1099
config NO_IOPORT_MAP
1100 1101
	def_bool n

1102 1103 1104
config GENERIC_CSUM
	bool

1105 1106 1107
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1108
	select ISA_DMA_API
1109

1110 1111
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1112
	select GENERIC_ISA_DMA
1113

1114 1115 1116
config ISA_DMA_API
	bool

1117 1118 1119
config HOLES_IN_ZONE
	bool

1120
#
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# Endianness selection.  Sufficiently obscure so many users don't know what to
1122 1123 1124 1125
# 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
M
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	prompt "Endianness selection"
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	help
	  Some MIPS machines can be configured for either little or big endian
1129
	  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
1131
	  particular system but some systems are just as commonly used in the
1132
	  one or the other endianness.
1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143

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

endchoice

1144 1145 1146
config EXPORT_UASM
	bool

1147 1148 1149
config SYS_SUPPORTS_APM_EMULATION
	bool

1150 1151 1152 1153 1154
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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1156 1157 1158 1159 1160
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1161 1162 1163
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

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config IRQ_CPU_RM7K
	bool

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1167 1168 1169 1170 1171 1172
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1173 1174 1175
config IRQ_TXX9
	bool

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config IRQ_GT641XX
	bool

1179
config PCI_GT64XXX_PCI0
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	bool

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1182 1183 1184
config NO_EXCEPT_FILL
	bool

1185 1186 1187 1188 1189
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
1190
	select IRQ_MIPS_CPU
1191 1192 1193 1194 1195 1196
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1197 1198 1199 1200
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
1201
	select IRQ_MIPS_CPU
1202 1203 1204 1205 1206
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
1207
	select SYS_SUPPORTS_MIPS16
1208 1209 1210 1211 1212 1213
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1214 1215 1216
config MIPS_SPRAM
	bool

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config SWAP_IO_SPACE
	bool

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1220 1221 1222
config SGI_HAS_INDYDOG
	bool

1223 1224 1225
config SGI_HAS_HAL2
	bool

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1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240
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

1241
config FW_ARC32
1242 1243
	bool

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config FW_SNIPROM
1245 1246
	bool

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config BOOT_ELF32
	bool

1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
config MIPS_L1_CACHE_SHIFT_4
	bool

config MIPS_L1_CACHE_SHIFT_5
	bool

config MIPS_L1_CACHE_SHIFT_6
	bool

config MIPS_L1_CACHE_SHIFT_7
	bool

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config MIPS_L1_CACHE_SHIFT
	int
1264
	default "7" if MIPS_L1_CACHE_SHIFT_7
1265 1266 1267
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "4" if MIPS_L1_CACHE_SHIFT_4
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	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
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1275
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
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config ARC_MEMORY
	bool
1279
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
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	default y

config ARC_PROMLIB
	bool
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1284
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
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	default y

1287
config FW_ARC64
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	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1299 1300 1301 1302 1303 1304 1305 1306
config CPU_LOONGSON3
	bool "Loongson 3 CPU"
	depends on SYS_HAS_CPU_LOONGSON3
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
1307
	select ARCH_REQUIRE_GPIOLIB
1308 1309 1310 1311
	help
		The Loongson 3 processor implements the MIPS64R2 instruction
		set with many extensions.

1312 1313 1314 1315
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1316 1317 1318 1319
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

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	  It has an internal FPGA northbridge, which is compatible to
1321 1322 1323 1324 1325 1326
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1327
	select ARCH_REQUIRE_GPIOLIB
1328 1329 1330 1331 1332 1333 1334 1335
	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.

1336 1337 1338 1339 1340 1341 1342 1343
config CPU_LOONGSON1B
	bool "Loongson 1B"
	depends on SYS_HAS_CPU_LOONGSON1B
	select CPU_LOONGSON1
	help
	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
	  release 2 instruction set.

1344 1345
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1346
	depends on SYS_HAS_CPU_MIPS32_R1
1347
	select CPU_HAS_PREFETCH
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1348
	select CPU_SUPPORTS_32BIT_KERNEL
1349
	select CPU_SUPPORTS_HIGHMEM
R
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1350
	help
1351
	  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"
1363
	depends on SYS_HAS_CPU_MIPS32_R2
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	select CPU_HAS_PREFETCH
R
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1365
	select CPU_SUPPORTS_32BIT_KERNEL
1366
	select CPU_SUPPORTS_HIGHMEM
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1367
	select CPU_SUPPORTS_MSA
1368
	select HAVE_KVM
1369
	help
1370
	  Choose this option to build a kernel for release 2 or later of the
1371 1372 1373 1374 1375
	  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.

1376
config CPU_MIPS32_R6
1377
	bool "MIPS32 Release 6"
1378 1379 1380 1381 1382
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1383
	select GENERIC_CSUM
1384 1385 1386 1387 1388 1389 1390 1391
	select HAVE_KVM
	select MIPS_O32_FP64_SUPPORT
	help
	  Choose this option to build a kernel for release 6 or later of the
	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS32r6 processor. If you own an older
	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.

1392 1393
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1394
	depends on SYS_HAS_CPU_MIPS64_R1
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	select CPU_HAS_PREFETCH
1396 1397
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1398
	select CPU_SUPPORTS_HIGHMEM
1399
	select CPU_SUPPORTS_HUGEPAGES
1400 1401 1402 1403 1404 1405
	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.
R
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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"
1413
	depends on SYS_HAS_CPU_MIPS64_R2
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	select CPU_HAS_PREFETCH
R
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1415 1416
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1417
	select CPU_SUPPORTS_HIGHMEM
1418
	select CPU_SUPPORTS_HUGEPAGES
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1419
	select CPU_SUPPORTS_MSA
R
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1420 1421 1422 1423 1424 1425
	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.
L
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1426

1427
config CPU_MIPS64_R6
1428
	bool "MIPS64 Release 6"
1429 1430 1431 1432 1433 1434
	depends on SYS_HAS_CPU_MIPS64_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1435
	select GENERIC_CSUM
1436
	select MIPS_O32_FP64_SUPPORT if MIPS32_O32
1437 1438 1439 1440 1441 1442
	help
	  Choose this option to build a kernel for release 6 or later of the
	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS64r6 processor. If you own an older
	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.

L
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1443 1444
config CPU_R3000
	bool "R3000"
1445
	depends on SYS_HAS_CPU_R3000
1446
	select CPU_HAS_WB
1447
	select CPU_SUPPORTS_32BIT_KERNEL
R
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1448
	select CPU_SUPPORTS_HIGHMEM
L
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1449 1450 1451 1452 1453 1454 1455 1456 1457 1458
	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"
1459
	depends on SYS_HAS_CPU_TX39XX
1460
	select CPU_SUPPORTS_32BIT_KERNEL
L
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1461 1462 1463

config CPU_VR41XX
	bool "R41xx"
1464
	depends on SYS_HAS_CPU_VR41XX
1465 1466
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
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1467
	help
1468
	  The options selects support for the NEC VR4100 series of processors.
L
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1469 1470 1471 1472 1473 1474
	  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"
1475
	depends on SYS_HAS_CPU_R4300
1476 1477
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
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1478 1479 1480 1481 1482
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1483
	depends on SYS_HAS_CPU_R4X00
1484 1485
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1486
	select CPU_SUPPORTS_HUGEPAGES
L
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1487 1488 1489 1490 1491 1492
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1493
	depends on SYS_HAS_CPU_TX49XX
A
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	select CPU_HAS_PREFETCH
1495 1496
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1497
	select CPU_SUPPORTS_HUGEPAGES
L
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1498 1499 1500

config CPU_R5000
	bool "R5000"
1501
	depends on SYS_HAS_CPU_R5000
1502 1503
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1504
	select CPU_SUPPORTS_HUGEPAGES
L
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1505 1506 1507 1508 1509
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1510
	depends on SYS_HAS_CPU_R5432
1511 1512
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1513
	select CPU_SUPPORTS_HUGEPAGES
L
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1514

1515 1516 1517 1518 1519
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1520
	select CPU_SUPPORTS_HUGEPAGES
1521 1522 1523 1524
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

L
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1525 1526
config CPU_R6000
	bool "R6000"
1527
	depends on SYS_HAS_CPU_R6000
1528
	select CPU_SUPPORTS_32BIT_KERNEL
L
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1529 1530
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
C
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1531
	  processors are extremely rare and the support for them is incomplete.
L
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1532 1533 1534

config CPU_NEVADA
	bool "RM52xx"
1535
	depends on SYS_HAS_CPU_NEVADA
1536 1537
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1538
	select CPU_SUPPORTS_HUGEPAGES
L
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1539 1540 1541 1542 1543
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1544
	depends on SYS_HAS_CPU_R8000
1545
	select CPU_HAS_PREFETCH
1546
	select CPU_SUPPORTS_64BIT_KERNEL
L
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1547 1548 1549 1550 1551 1552
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1553
	depends on SYS_HAS_CPU_R10000
1554
	select CPU_HAS_PREFETCH
1555 1556
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1557
	select CPU_SUPPORTS_HIGHMEM
1558
	select CPU_SUPPORTS_HUGEPAGES
L
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1559 1560 1561 1562 1563
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1564
	depends on SYS_HAS_CPU_RM7000
1565
	select CPU_HAS_PREFETCH
1566 1567
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1568
	select CPU_SUPPORTS_HIGHMEM
1569
	select CPU_SUPPORTS_HUGEPAGES
L
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1570 1571 1572

config CPU_SB1
	bool "SB1"
1573
	depends on SYS_HAS_CPU_SB1
1574 1575
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1576
	select CPU_SUPPORTS_HIGHMEM
1577
	select CPU_SUPPORTS_HUGEPAGES
1578
	select WEAK_ORDERING
L
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1579

1580 1581
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1582
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1583 1584 1585 1586
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1587
	select CPU_SUPPORTS_HUGEPAGES
1588 1589
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1590
	select MIPS_L1_CACHE_SHIFT_7
1591 1592 1593 1594 1595 1596
	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.

1597 1598 1599 1600
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1601
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1602 1603 1604 1605 1606
	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
1607
	select IRQ_MIPS_CPU
1608 1609
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1610
	select CPU_SUPPORTS_HIGHMEM
1611
	select CPU_HAS_PREFETCH
1612
	help
1613
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1614

1615 1616 1617 1618 1619 1620
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
1621
	select CPU_SUPPORTS_HUGEPAGES
1622 1623 1624 1625
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635

config CPU_XLP
	bool "Netlogic XLP SoC"
	depends on SYS_HAS_CPU_XLP
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	select CPU_HAS_PREFETCH
1636
	select CPU_MIPSR2
1637
	select CPU_SUPPORTS_HUGEPAGES
1638 1639
	help
	  Netlogic Microsystems XLP processors.
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endchoice

1642 1643 1644
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1645
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS32 architecture including features from the 3.5 release such as
	  support for Enhanced Virtual Addressing (EVA).

config CPU_MIPS32_3_5_EVA
	bool "Enhanced Virtual Addressing (EVA)"
	depends on CPU_MIPS32_3_5_FEATURES
	select EVA
	default y
	help
	  Choose this option if you want to enable the Enhanced Virtual
	  Addressing (EVA) on your MIPS32 core (such as proAptiv).
	  One of its primary benefits is an increase in the maximum size
	  of lowmem (up to 3GB). If unsure, say 'N' here.

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config CPU_MIPS32_R5_FEATURES
	bool "MIPS32 Release 5 Features"
	depends on SYS_HAS_CPU_MIPS32_R5
	depends on CPU_MIPS32_R2
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS32 architecture including features from release 5 such as
	  support for Extended Physical Addressing (XPA).

config CPU_MIPS32_R5_XPA
	bool "Extended Physical Addressing (XPA)"
	depends on CPU_MIPS32_R5_FEATURES
	depends on !EVA
	depends on !PAGE_SIZE_4KB
	depends on SYS_SUPPORTS_HIGHMEM
	select XPA
	select HIGHMEM
	select ARCH_PHYS_ADDR_T_64BIT
	default n
	help
	  Choose this option if you want to enable the Extended Physical
	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
	  benefit is to increase physical addressing equal to or greater
	  than 40 bits. Note that this has the side effect of turning on
	  64-bit addressing which in turn makes the PTEs 64-bit in size.
	  If unsure, say 'N' here.

1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
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

1716 1717 1718 1719
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1720
	select HAVE_KERNEL_LZ4
1721
	select HAVE_KERNEL_LZMA
1722
	select HAVE_KERNEL_LZO
1723
	select HAVE_KERNEL_XZ
1724 1725 1726 1727 1728

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1729 1730 1731 1732 1733
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1734
	select CPU_SUPPORTS_HUGEPAGES
1735

1736 1737 1738 1739 1740 1741 1742
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1743
	select CPU_SUPPORTS_CPUFREQ
1744

1745
config CPU_BMIPS32_3300
1746
	select SMP_UP if SMP
1747
	bool
1748 1749 1750 1751 1752 1753 1754 1755

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1756
	select MIPS_L1_CACHE_SHIFT_6
1757 1758 1759 1760 1761 1762
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1763
	select MIPS_L1_CACHE_SHIFT_7
1764 1765
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1766

1767 1768 1769 1770
config SYS_HAS_CPU_LOONGSON3
	bool
	select CPU_SUPPORTS_CPUFREQ

1771
config SYS_HAS_CPU_LOONGSON2E
1772 1773
	bool

1774 1775
config SYS_HAS_CPU_LOONGSON2F
	bool
1776 1777
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1778
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1779

1780 1781 1782
config SYS_HAS_CPU_LOONGSON1B
	bool

1783 1784 1785 1786 1787 1788
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1789 1790 1791
config SYS_HAS_CPU_MIPS32_R3_5
	bool

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config SYS_HAS_CPU_MIPS32_R5
	bool

1795 1796 1797
config SYS_HAS_CPU_MIPS32_R6
	bool

1798 1799 1800 1801 1802 1803
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1804 1805 1806
config SYS_HAS_CPU_MIPS64_R6
	bool

1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830
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

1831 1832 1833
config SYS_HAS_CPU_R5500
	bool

1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851
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_SB1
	bool

1852 1853 1854
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1855
config SYS_HAS_CPU_BMIPS
1856 1857
	bool

1858
config SYS_HAS_CPU_BMIPS32_3300
1859
	bool
1860
	select SYS_HAS_CPU_BMIPS
1861 1862 1863

config SYS_HAS_CPU_BMIPS4350
	bool
1864
	select SYS_HAS_CPU_BMIPS
1865 1866 1867

config SYS_HAS_CPU_BMIPS4380
	bool
1868
	select SYS_HAS_CPU_BMIPS
1869 1870 1871

config SYS_HAS_CPU_BMIPS5000
	bool
1872
	select SYS_HAS_CPU_BMIPS
1873

1874 1875 1876
config SYS_HAS_CPU_XLR
	bool

1877 1878 1879
config SYS_HAS_CPU_XLP
	bool

1880 1881 1882 1883 1884 1885
config MIPS_MALTA_PM
	depends on MIPS_MALTA
	depends on PCI
	bool
	default y

1886 1887 1888 1889
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1890 1891
config WEAK_ORDERING
	bool
1892 1893 1894 1895 1896 1897 1898

#
# 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
1899 1900 1901
endmenu

#
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# These two indicate any level of the MIPS32 and MIPS64 architecture
1903 1904 1905
#
config CPU_MIPS32
	bool
1906
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1907 1908 1909

config CPU_MIPS64
	bool
1910
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1911 1912

#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
1914 1915 1916 1917 1918 1919 1920
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1921
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1922
	select MIPS_SPRAM
1923

1924 1925 1926
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1927
	select MIPS_SPRAM
1928

1929 1930 1931
config EVA
	bool

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config XPA
	bool

1935 1936 1937 1938 1939 1940 1941 1942
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1943 1944 1945 1946
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1947 1948
config CPU_SUPPORTS_HUGEPAGES
	bool
1949 1950
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1951 1952
config MIPS_PGD_C0_CONTEXT
	bool
1953
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1954

1955 1956 1957 1958 1959
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1960
       default y if CPU_MIPSR1 || CPU_MIPSR2
1961

1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977
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.
1978

1979 1980 1981 1982 1983 1984 1985 1986
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

1987 1988
config KVM_GUEST
	bool "KVM Guest Kernel"
1989
	depends on BROKEN_ON_SMP
1990 1991 1992
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

1993 1994
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
1995
	depends on KVM_GUEST
1996
	default 100
1997
	help
1998 1999 2000
	  Set this to non-zero if building a guest kernel for KVM to skip RTC
	  emulation when determining guest CPU Frequency. Instead, the guest's
	  timer frequency is specified directly.
2001

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
2008
	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
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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"
2017
	depends on 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
2021 2022
	  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"
2026
	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
2030 2031
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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2033 2034 2035 2036 2037 2038 2039 2040 2041
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"
2044
	depends on !CPU_R3000 && !CPU_TX39XX
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	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
2049
	  writing this option is still high experimental.
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2050 2051 2052

endchoice

2053 2054
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
2055 2056 2057 2058 2059 2060
	range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
	default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
	range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076
	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

2084 2085 2086 2087 2088 2089 2090
#
# 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
2108
	bool
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2110 2111 2112 2113
config CPU_GENERIC_DUMP_TLB
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)

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config CPU_R4K_FPU
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

2118 2119 2120 2121
config CPU_R4K_CACHE_TLB
	bool
	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

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config MIPS_MT_SMP
2123
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2124
	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2125
	select CPU_MIPSR2_IRQ_VI
2126
	select CPU_MIPSR2_IRQ_EI
2127
	select SYNC_R4K
2128
	select MIPS_GIC_IPI
2129
	select MIPS_MT
2130
	select SMP
2131
	select SMP_UP
2132 2133
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2134
	select MIPS_PERF_SHARED_TC_COUNTERS
2135
	help
2136 2137 2138 2139 2140
	  This is a kernel model which is known as SMVP. This is supported
	  on cores with the MT ASE and uses the available VPEs to implement
	  virtual processors which supports SMP. This is equivalent to the
	  Intel Hyperthreading feature. For further information go to
	  <http://www.imgtec.com/mips/mips-multithreading.asp>.
2141

2142 2143 2144
config MIPS_MT
	bool

2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156
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

2157 2158 2159
config SYS_SUPPORTS_MULTITHREADING
	bool

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2160 2161 2162
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
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2163
	depends on MIPS_MT_SMP
2164

2165 2166 2167 2168 2169 2170 2171
config MIPSR2_TO_R6_EMULATOR
	bool "MIPS R2-to-R6 emulator"
	depends on CPU_MIPSR6 && !SMP
	default y
	help
	  Choose this option if you want to run non-R6 MIPS userland code.
	  Even if you say 'Y' here, the emulator will still be disabled by
2172
	  default. You can enable it using the 'mipsr2emu' kernel option.
2173 2174 2175 2176 2177
	  The only reason this is a build-time option is to save ~14K from the
	  final kernel image.
comment "MIPS R2-to-R6 emulator is only available for UP kernels"
	depends on SMP && CPU_MIPSR6

2178 2179
config MIPS_VPE_LOADER
	bool "VPE loader support."
2180
	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2181 2182 2183 2184 2185 2186
	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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2188 2189 2190 2191 2192
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2193 2194 2195 2196 2197
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
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.

config MIPS_VPE_APSP_API
2209 2210 2211
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
2212

2213 2214 2215 2216 2217
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2218 2219 2220 2221 2222
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2223
config MIPS_CMP
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	bool "MIPS CMP framework support (DEPRECATED)"
2225
	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2226
	select MIPS_GIC_IPI
2227
	select SMP
2228
	select SYNC_R4K
2229
	select SYS_SUPPORTS_SMP
2230 2231 2232
	select WEAK_ORDERING
	default n
	help
2233 2234 2235
	  Select this if you are using a bootloader which implements the "CMP
	  framework" protocol (ie. YAMON) and want your kernel to make use of
	  its ability to start secondary CPUs.
2236

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2237 2238 2239
	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
	  instead of this.

2240 2241
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
2242
	depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2243 2244
	select MIPS_CM
	select MIPS_CPC
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	select MIPS_CPS_PM if HOTPLUG_CPU
2246 2247 2248
	select MIPS_GIC_IPI
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2250 2251 2252 2253 2254 2255 2256 2257 2258
	select SYS_SUPPORTS_SMP
	select WEAK_ORDERING
	help
	  Select this if you wish to run an SMP kernel across multiple cores
	  within a MIPS Coherent Processing System. When this option is
	  enabled the kernel will probe for other cores and boot them with
	  no external assistance. It is safe to enable this when hardware
	  support is unavailable.

2259
config MIPS_CPS_PM
2260
	depends on MIPS_CPS
2261
	select MIPS_CPC
2262 2263
	bool

2264 2265 2266
config MIPS_GIC_IPI
	bool

2267 2268 2269
config MIPS_CM
	bool

2270 2271
config MIPS_CPC
	bool
2272

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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

2283

2284
config ARCH_PHYS_ADDR_T_64BIT
2285
       bool
2286

2287 2288 2289 2290 2291 2292 2293 2294
choice
	prompt "SmartMIPS or microMIPS ASE support"

config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
	bool "None"
	help
	  Select this if you want neither microMIPS nor SmartMIPS support

2295 2296
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2297
	bool "SmartMIPS"
2298 2299 2300 2301 2302 2303 2304 2305 2306
	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.

2307
config CPU_MICROMIPS
2308
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2309
	bool "microMIPS"
2310 2311 2312 2313
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2314 2315
endchoice

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config CPU_HAS_MSA
2317
	bool "Support for the MIPS SIMD Architecture"
P
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2318
	depends on CPU_SUPPORTS_MSA
2319
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
P
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2320 2321 2322
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2323 2324 2325 2326 2327
	  is enabled the kernel will support allocating & switching MSA
	  vector register contexts. If you know that your kernel will only be
	  running on CPUs which do not support MSA or that your userland will
	  not be making use of it then you may wish to say N here to reduce
	  the size & complexity of your kernel.
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2328 2329 2330

	  If unsure, say Y.

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config CPU_HAS_WB
2332
	bool
2333

2334 2335 2336
config XKS01
	bool

2337 2338 2339
#
# Vectored interrupt mode is an R2 feature
#
2340
config CPU_MIPSR2_IRQ_VI
2341
	bool
2342

2343 2344 2345
#
# Extended interrupt mode is an R2 feature
#
2346
config CPU_MIPSR2_IRQ_EI
2347
	bool
2348

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366
#
# 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"
2382
	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
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config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
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2389

2390 2391 2392
config SYS_SUPPORTS_SMARTMIPS
	bool

2393 2394 2395
config SYS_SUPPORTS_MICROMIPS
	bool

2396 2397 2398 2399 2400 2401 2402
config SYS_SUPPORTS_MIPS16
	bool
	help
	  This option must be set if a kernel might be executed on a MIPS16-
	  enabled CPU even if MIPS16 is not actually being used.  In other
	  words, it makes the kernel MIPS16-tolerant.

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config CPU_SUPPORTS_MSA
	bool

2406 2407
config ARCH_FLATMEM_ENABLE
	def_bool y
2408
	depends on !NUMA && !CPU_LOONGSON2
2409

2410 2411 2412 2413
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2414
	  Say Y to support efficient handling of discontiguous physical memory,
2415 2416 2417 2418
	  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.

2419 2420
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2422

2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435
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

Y
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2436 2437 2438 2439 2440
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2441 2442
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
2443
	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2444 2445 2446 2447 2448
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2449 2450
source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
2453 2454
	depends on SYS_SUPPORTS_SMP
	help
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	  This enables support for systems with more than one CPU. If you have
2456 2457
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
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2459
	  If you say N here, the kernel will run on uni- and multiprocessor
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	  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,
2462
	  uniprocessor machines. On a uniprocessor machine, the kernel
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	  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.

2473 2474 2475
config SMP_UP
	bool

2476 2477 2478
config SYS_SUPPORTS_MIPS_CMP
	bool

2479 2480 2481
config SYS_SUPPORTS_MIPS_CPS
	bool

2482 2483 2484
config SYS_SUPPORTS_SMP
	bool

2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499
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
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	int "Maximum number of CPUs (2-256)"
	range 2 256
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	depends on SMP
2504 2505 2506 2507 2508
	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
2513 2514
	  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
2517 2518 2519
	  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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2521 2522 2523
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2535
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594

	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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2595 2596 2597
config SCHED_HRTICK
	def_bool HIGH_RES_TIMERS

R
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2598
source "kernel/Kconfig.preempt"
L
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2599

2600
config KEXEC
2601
	bool "Kexec system call"
2602 2603 2604
	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
2605
	  but it is independent of the system firmware.   And like a reboot
2606 2607
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
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	  The name comes from the similarity to the exec system call.
2609 2610 2611

	  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
2612 2613 2614
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
2615

R
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2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638
config CRASH_DUMP
	  bool "Kernel crash dumps"
	  help
	  Generate crash dump after being started by kexec.
	  This should be normally only set in special crash dump kernels
	  which are loaded in the main kernel with kexec-tools into
	  a specially reserved region and then later executed after
	  a crash by kdump/kexec. The crash dump kernel must be compiled
	  to a memory address not used by the main kernel or firmware using
	  PHYSICAL_START.

config PHYSICAL_START
	  hex "Physical address where the kernel is loaded"
	  default "0xffffffff84000000" if 64BIT
	  default "0x84000000" if 32BIT
	  depends on CRASH_DUMP
	  help
	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
	  If you plan to use kernel for capturing the crash dump change
	  this value to start of the reserved region (the "X" value as
	  specified in the "crashkernel=YM@XM" command line boot parameter
	  passed to the panic-ed kernel).

2639 2640
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2641
	depends on PROC_FS
2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655
	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.

2656
config MIPS_O32_FP64_SUPPORT
2657
	bool "Support for O32 binaries using 64-bit FP"
2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669
	depends on 32BIT || MIPS32_O32
	help
	  When this is enabled, the kernel will support use of 64-bit floating
	  point registers with binaries using the O32 ABI along with the
	  EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
	  32-bit MIPS systems this support is at the cost of increasing the
	  size and complexity of the compiled FPU emulator. Thus if you are
	  running a MIPS32 system and know that none of your userland binaries
	  will require 64-bit floating point, you may wish to reduce the size
	  of your kernel & potentially improve FP emulation performance by
	  saying N here.

2670 2671 2672 2673 2674 2675 2676 2677
	  Although binutils currently supports use of this flag the details
	  concerning its effect upon the O32 ABI in userland are still being
	  worked on. In order to avoid userland becoming dependant upon current
	  behaviour before the details have been finalised, this option should
	  be considered experimental and only enabled by those working upon
	  said details.

	  If unsure, say N.
2678

2679
config USE_OF
2680
	bool
2681
	select OF
2682
	select OF_EARLY_FLATTREE
2683
	select IRQ_DOMAIN
2684

2685 2686 2687
config BUILTIN_DTB
	bool

2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712
choice
	prompt "Kernel appended dtb support" if OF
	default MIPS_NO_APPENDED_DTB

	config MIPS_NO_APPENDED_DTB
		bool "None"
		help
		  Do not enable appended dtb support.

	config MIPS_RAW_APPENDED_DTB
		bool "vmlinux.bin"
		help
		  With this option, the boot code will look for a device tree binary
		  DTB) appended to raw vmlinux.bin (without decompressor).
		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).

		  This is meant as a backward compatibility convenience for those
		  systems with a bootloader that can't be upgraded to accommodate
		  the documented boot protocol using a device tree.

		  Beware that there is very little in terms of protection against
		  this option being confused by leftover garbage in memory that might
		  look like a DTB header after a reboot if no actual DTB is appended
		  to vmlinux.bin.  Do not leave this option active in a production kernel
		  if you don't intend to always append a DTB.
2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730

	config MIPS_ZBOOT_APPENDED_DTB
		bool "vmlinuz.bin"
		depends on SYS_SUPPORTS_ZBOOT
		help
		  With this option, the boot code will look for a device tree binary
		  DTB) appended to raw vmlinuz.bin (with decompressor).
		  (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).

		  This is meant as a backward compatibility convenience for those
		  systems with a bootloader that can't be upgraded to accommodate
		  the documented boot protocol using a device tree.

		  Beware that there is very little in terms of protection against
		  this option being confused by leftover garbage in memory that might
		  look like a DTB header after a reboot if no actual DTB is appended
		  to vmlinuz.bin.  Do not leave this option active in a production kernel
		  if you don't intend to always append a DTB.
2731 2732
endchoice

2733 2734
endmenu

2735 2736 2737 2738 2739 2740 2741 2742
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2743 2744 2745 2746 2747
config PGTABLE_LEVELS
	int
	default 3 if 64BIT && !PAGE_SIZE_64KB
	default 2

2748 2749
source "init/Kconfig"

2750 2751
source "kernel/Kconfig.freezer"

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2752 2753
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

2754 2755
config HW_HAS_EISA
	bool
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2756 2757 2758 2759 2760 2761
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2762
	select PCI_DOMAINS
2763
	select NO_GENERIC_PCI_IOPORT_MAP
L
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2764 2765 2766 2767 2768 2769
	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.

2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780
config HT_PCI
	bool "Support for HT-linked PCI"
	default y
	depends on CPU_LOONGSON3
	select PCI
	select PCI_DOMAINS
	help
	  Loongson family machines use Hyper-Transport bus for inter-core
	  connection and device connection. The PCI bus is a subordinate
	  linked at HT. Choose Y for Loongson-3 based machines.

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2781 2782 2783 2784 2785
config PCI_DOMAINS
	bool

source "drivers/pci/Kconfig"

2786 2787
source "drivers/pci/pcie/Kconfig"

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2788 2789 2790 2791 2792 2793 2794 2795 2796 2797
#
# 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"
2798
	depends on HW_HAS_EISA
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2799
	select ISA
2800
	select GENERIC_ISA_DMA
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2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819
	---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
2820 2821 2822 2823 2824 2825 2826 2827
	  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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2828 2829 2830 2831 2832

config MMU
	bool
	default y

2833 2834
config I8253
	bool
2835
	select CLKSRC_I8253
2836
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
2837
	select MIPS_EXTERNAL_TIMER
2838

2839 2840 2841
config ZONE_DMA
	bool

2842 2843 2844
config ZONE_DMA32
	bool

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2845 2846 2847 2848
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2849
config RAPIDIO
2850
	tristate "RapidIO support"
2851 2852 2853 2854 2855 2856 2857 2858
	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
2869
	bool
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2870 2871 2872 2873

config COMPAT
	bool

2874 2875 2876
config SYSVIPC_COMPAT
	bool

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config MIPS32_O32
	bool "Kernel support for o32 binaries"
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	depends on 64BIT
	select ARCH_WANT_OLD_COMPAT_IPC
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
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	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"
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	depends on 64BIT
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	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
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	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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config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
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if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
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source "drivers/cpufreq/Kconfig"
endif
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source "drivers/cpuidle/Kconfig"

endmenu

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source "net/Kconfig"

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source "drivers/Kconfig"

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source "drivers/firmware/Kconfig"

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source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
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source "arch/mips/kvm/Kconfig"