Kconfig 72.3 KB
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config MIPS
	bool
	default y
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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 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 ARCH_HAVE_CUSTOM_GPIO_H
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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 RAW_IRQ_ACCESSORS
	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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	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 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 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
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	select SYS_SUPPORTS_MIPS16
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	select IRQ_MIPS_CPU
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	select SERIAL_8250
	select SERIAL_8250_CONSOLE
530 531
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
M
Marc St-Jean 已提交
532 533 534 535 536 537
	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
538 539 540 541 542 543
config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
544
	select IRQ_MIPS_CPU
J
John Crispin 已提交
545 546 547 548 549
	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
550
	select SYS_SUPPORTS_MIPS16
J
John Crispin 已提交
551 552 553
	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
554 555
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
J
John Crispin 已提交
556

L
Linus Torvalds 已提交
557
config SGI_IP22
558
	bool "SGI IP22 (Indy/Indigo2)"
559 560
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
561
	select BOOT_ELF32
562
	select CEVT_R4K
563
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
564
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
565
	select DMA_NONCOHERENT
566
	select HW_HAS_EISA
567
	select I8253
568
	select I8259
L
Linus Torvalds 已提交
569
	select IP22_CPU_SCACHE
570
	select IRQ_MIPS_CPU
571
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
572 573
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
574
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
575 576 577
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
578
	select SWAP_IO_SPACE
579 580
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
581 582 583 584 585 586 587 588
	#
	# 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
589 590
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
591
	select SYS_SUPPORTS_BIG_ENDIAN
592
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
593 594 595 596 597 598
	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
599
	bool "SGI IP27 (Origin200/2000)"
600 601
	select FW_ARC
	select FW_ARC64
602
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
603
	select DEFAULT_SGI_PARTITION
604
	select DMA_COHERENT
605
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
606
	select HW_HAS_PCI
607
	select NR_CPUS_DEFAULT_64
608
	select SYS_HAS_CPU_R10000
609
	select SYS_SUPPORTS_64BIT_KERNEL
610
	select SYS_SUPPORTS_BIG_ENDIAN
611
	select SYS_SUPPORTS_NUMA
612
	select SYS_SUPPORTS_SMP
613
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
614 615 616 617 618
	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
619
config SGI_IP28
620
	bool "SGI IP28 (Indigo2 R10k)"
621 622
	select FW_ARC
	select FW_ARC64
T
Thomas Bogendoerfer 已提交
623 624 625 626 627 628
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
629
	select IRQ_MIPS_CPU
T
Thomas Bogendoerfer 已提交
630 631 632 633 634
	select HW_HAS_EISA
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
635
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
636 637 638 639 640
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
641 642 643 644 645 646 647 648
	#
	# 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
649 650
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
651
	select MIPS_L1_CACHE_SHIFT_7
T
Thomas Bogendoerfer 已提交
652 653 654 655
      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
656
config SGI_IP32
657
	bool "SGI IP32 (O2)"
658 659
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
660
	select BOOT_ELF32
661
	select CEVT_R4K
662
	select CSRC_R4K
L
Linus Torvalds 已提交
663 664
	select DMA_NONCOHERENT
	select HW_HAS_PCI
665
	select IRQ_MIPS_CPU
L
Linus Torvalds 已提交
666 667
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
668 669 670
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
671
	select SYS_HAS_CPU_NEVADA
672
	select SYS_SUPPORTS_64BIT_KERNEL
673 674
	select SYS_SUPPORTS_BIG_ENDIAN
	help
675
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
676

677 678
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
679 680
	select BOOT_ELF32
	select DMA_COHERENT
681
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
682
	select SWAP_IO_SPACE
683
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
684 685 686
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

687 688
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
689
	select BOOT_ELF32
L
Linus Torvalds 已提交
690
	select DMA_COHERENT
691
	select SIBYTE_BCM1120
692
	select SWAP_IO_SPACE
693
	select SYS_HAS_CPU_SB1
694
	select SYS_SUPPORTS_BIG_ENDIAN
695
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
696

697 698
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
699 700
	select BOOT_ELF32
	select DMA_COHERENT
701
	select SIBYTE_BCM1125
702
	select SWAP_IO_SPACE
703
	select SYS_HAS_CPU_SB1
704
	select SYS_SUPPORTS_BIG_ENDIAN
705
	select SYS_SUPPORTS_HIGHMEM
706
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
707

708
config SIBYTE_RHONE
709
	bool "Sibyte BCM91125E-Rhone"
710 711 712 713
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
714
	select SYS_HAS_CPU_SB1
715 716
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
717

718 719
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
720
	select BOOT_ELF32
P
Pete Popov 已提交
721
	select DMA_COHERENT
722
	select HAVE_PATA_PLATFORM
723
	select SIBYTE_SB1250
724
	select SWAP_IO_SPACE
725
	select SYS_HAS_CPU_SB1
726
	select SYS_SUPPORTS_BIG_ENDIAN
727
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
728
	select SYS_SUPPORTS_LITTLE_ENDIAN
729
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
730

731 732
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
733 734
	select BOOT_ELF32
	select DMA_COHERENT
735
	select HAVE_PATA_PLATFORM
736 737
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
738
	select SYS_HAS_CPU_SB1
739 740 741
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
742

743 744
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
745 746 747 748
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
749
	select SYS_HAS_CPU_SB1
750 751
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
752

753 754
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
755 756
	select BOOT_ELF32
	select DMA_COHERENT
757 758
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
759
	select SWAP_IO_SPACE
760
	select SYS_HAS_CPU_SB1
761
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
762
	select SYS_SUPPORTS_HIGHMEM
763
	select SYS_SUPPORTS_LITTLE_ENDIAN
764
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
765

766 767
config SNI_RM
	bool "SNI RM200/300/400"
768 769
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
770
	select FW_SNIPROM if CPU_BIG_ENDIAN
771
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
772
	select BOOT_ELF32
773
	select CEVT_R4K
774
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
775
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
776 777
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
778
	select HAVE_PCSPKR_PLATFORM
779
	select HW_HAS_EISA
L
Linus Torvalds 已提交
780
	select HW_HAS_PCI
781
	select IRQ_MIPS_CPU
782
	select I8253
L
Linus Torvalds 已提交
783 784
	select I8259
	select ISA
785
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
786
	select SYS_HAS_CPU_R4X00
787
	select SYS_HAS_CPU_R5000
788
	select SYS_HAS_CPU_R10000
789
	select R5000_CPU_SCACHE
790
	select SYS_HAS_EARLY_PRINTK
791
	select SYS_SUPPORTS_32BIT_KERNEL
792
	select SYS_SUPPORTS_64BIT_KERNEL
793
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
794
	select SYS_SUPPORTS_HIGHMEM
795
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
796
	help
797 798
	  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
799 800 801
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

802 803
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
804

805 806
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
807

808 809 810 811 812 813
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select HW_HAS_PCI
814
	select IRQ_MIPS_CPU
815 816 817 818 819
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
820
	select ARCH_REQUIRE_GPIOLIB
821
	select MIPS_L1_CACHE_SHIFT_4
822 823 824 825
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

826 827
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
828
	select CEVT_R4K
829
	select ARCH_PHYS_ADDR_T_64BIT
830 831 832
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
833
	select EDAC_SUPPORT
834 835
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
836
	select SYS_HAS_EARLY_PRINTK
837
	select SYS_HAS_CPU_CAVIUM_OCTEON
838
	select SWAP_IO_SPACE
839
	select HW_HAS_PCI
D
David Daney 已提交
840
	select ZONE_DMA32
841
	select HOLES_IN_ZONE
842
	select ARCH_REQUIRE_GPIOLIB
843 844 845 846 847
	select LIBFDT
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
848
	select BUILTIN_DTB
849
	select MTD_COMPLEX_MAPPINGS
850 851 852 853 854 855 856 857 858 859 860 861 862
	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.

863 864 865 866 867 868 869 870 871 872
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
873
	select ARCH_PHYS_ADDR_T_64BIT
874 875 876 877 878 879
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
880
	select IRQ_MIPS_CPU
881
	select ZONE_DMA32 if 64BIT
882 883
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
884 885
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
886 887 888 889
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

890 891 892 893 894 895 896 897 898
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
899
	select ARCH_PHYS_ADDR_T_64BIT
900 901 902 903 904 905 906
	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
907
	select IRQ_MIPS_CPU
908
	select ZONE_DMA32 if 64BIT
909 910
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
911
	select USE_OF
912 913
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
914 915 916 917
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936
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 ????

937
endchoice
L
Linus Torvalds 已提交
938

R
Ralf Baechle 已提交
939
source "arch/mips/alchemy/Kconfig"
940
source "arch/mips/ath25/Kconfig"
941
source "arch/mips/ath79/Kconfig"
942
source "arch/mips/bcm47xx/Kconfig"
943
source "arch/mips/bcm63xx/Kconfig"
944
source "arch/mips/bmips/Kconfig"
945
source "arch/mips/jazz/Kconfig"
946
source "arch/mips/jz4740/Kconfig"
947
source "arch/mips/lantiq/Kconfig"
948
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
949
source "arch/mips/pmcs-msp71xx/Kconfig"
J
John Crispin 已提交
950
source "arch/mips/ralink/Kconfig"
951
source "arch/mips/sgi-ip27/Kconfig"
952
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
953
source "arch/mips/txx9/Kconfig"
954
source "arch/mips/vr41xx/Kconfig"
955
source "arch/mips/cavium-octeon/Kconfig"
956 957
source "arch/mips/loongson32/Kconfig"
source "arch/mips/loongson64/Kconfig"
958
source "arch/mips/netlogic/Kconfig"
959
source "arch/mips/paravirt/Kconfig"
960

961 962
endmenu

L
Linus Torvalds 已提交
963 964 965 966 967 968 969
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

970 971 972 973 974 975 976 977
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

978 979 980 981
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
982 983 984 985
config GENERIC_CALIBRATE_DELAY
	bool
	default y

986
config SCHED_OMIT_FRAME_POINTER
987 988 989
	bool
	default y

L
Linus Torvalds 已提交
990 991 992
#
# Select some configuration options automatically based on user selections.
#
993
config FW_ARC
L
Linus Torvalds 已提交
994 995
	bool

996 997 998
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
999 1000 1001
config BOOT_RAW
	bool

1002 1003 1004
config CEVT_BCM1480
	bool

1005 1006 1007
config CEVT_DS1287
	bool

1008 1009 1010
config CEVT_GT641XX
	bool

1011 1012 1013
config CEVT_R4K
	bool

1014 1015 1016
config CEVT_SB1250
	bool

1017 1018 1019
config CEVT_TXX9
	bool

1020 1021 1022
config CSRC_BCM1480
	bool

1023 1024 1025
config CSRC_IOASIC
	bool

1026 1027 1028
config CSRC_R4K
	bool

1029 1030 1031
config CSRC_SB1250
	bool

1032
config GPIO_TXX9
M
Michael Buesch 已提交
1033
	select ARCH_REQUIRE_GPIOLIB
1034 1035
	bool

1036
config FW_CFE
1037 1038
	bool

1039
config ARCH_DMA_ADDR_T_64BIT
1040
	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1041

1042 1043 1044 1045
config DMA_MAYBE_COHERENT
	select DMA_NONCOHERENT
	bool

1046
config DMA_COHERENT
L
Linus Torvalds 已提交
1047 1048
	bool

1049 1050
config DMA_NONCOHERENT
	bool
1051
	select NEED_DMA_MAP_STATE
1052

1053
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
1054 1055
	bool

1056
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
1057 1058
	bool

1059
config HOTPLUG_CPU
1060
	bool "Support for hot-pluggable CPUs"
1061
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1062 1063 1064 1065 1066 1067 1068 1069
	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
1070 1071
	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

1082 1083 1084
config MIPS_NILE4
	bool

1085 1086 1087
config SYNC_R4K
	bool

1088 1089 1090
config MIPS_MACHINE
	def_bool n

1091
config NO_IOPORT_MAP
1092 1093
	def_bool n

1094 1095 1096
config GENERIC_CSUM
	bool

1097 1098 1099
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1100
	select ISA_DMA_API
1101

1102 1103
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1104
	select GENERIC_ISA_DMA
1105

1106 1107 1108
config ISA_DMA_API
	bool

1109 1110 1111
config HOLES_IN_ZONE
	bool

1112
#
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# Endianness selection.  Sufficiently obscure so many users don't know what to
1114 1115 1116 1117
# 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
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	prompt "Endianness selection"
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	help
	  Some MIPS machines can be configured for either little or big endian
1121
	  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
1123
	  particular system but some systems are just as commonly used in the
1124
	  one or the other endianness.
1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135

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

1136 1137 1138
config EXPORT_UASM
	bool

1139 1140 1141
config SYS_SUPPORTS_APM_EMULATION
	bool

1142 1143 1144 1145 1146
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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1148 1149 1150 1151 1152
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1153 1154 1155
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

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config IRQ_CPU_RM7K
	bool

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config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1165 1166 1167
config IRQ_TXX9
	bool

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config IRQ_GT641XX
	bool

1171
config PCI_GT64XXX_PCI0
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	bool

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config NO_EXCEPT_FILL
	bool

1177 1178 1179 1180 1181
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
1182
	select IRQ_MIPS_CPU
1183 1184 1185 1186 1187 1188
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1189 1190 1191 1192
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
1193
	select IRQ_MIPS_CPU
1194 1195 1196 1197 1198
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
1199
	select SYS_SUPPORTS_MIPS16
1200 1201 1202 1203 1204 1205
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1206 1207 1208
config MIPS_SPRAM
	bool

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config SWAP_IO_SPACE
	bool

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config SGI_HAS_INDYDOG
	bool

1215 1216 1217
config SGI_HAS_HAL2
	bool

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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

1233
config FW_ARC32
1234 1235
	bool

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config FW_SNIPROM
1237 1238
	bool

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config BOOT_ELF32
	bool

1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253
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
1256
	default "7" if MIPS_L1_CACHE_SHIFT_7
1257 1258 1259
	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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	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
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config ARC_MEMORY
	bool
1271
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
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	default y

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

1279
config FW_ARC64
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	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1291 1292 1293 1294 1295 1296 1297 1298
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
1299
	select ARCH_REQUIRE_GPIOLIB
1300 1301 1302 1303
	help
		The Loongson 3 processor implements the MIPS64R2 instruction
		set with many extensions.

1304 1305 1306 1307
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1308 1309 1310 1311
	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
1313 1314 1315 1316 1317 1318
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1319
	select ARCH_REQUIRE_GPIOLIB
1320 1321 1322 1323 1324 1325 1326 1327
	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.

1328 1329 1330 1331 1332 1333 1334 1335
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.

1336 1337
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1338
	depends on SYS_HAS_CPU_MIPS32_R1
1339
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1341
	select CPU_SUPPORTS_HIGHMEM
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1342
	help
1343
	  Choose this option to build a kernel for release 1 or later of the
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	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
	  MIPS processor are based on a MIPS32 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
	  Release 2 of the MIPS32 architecture is available since several
	  years so chances are you even have a MIPS32 Release 2 processor
	  in which case you should choose CPU_MIPS32_R2 instead for better
	  performance.

config CPU_MIPS32_R2
	bool "MIPS32 Release 2"
1355
	depends on SYS_HAS_CPU_MIPS32_R2
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	select CPU_HAS_PREFETCH
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1357
	select CPU_SUPPORTS_32BIT_KERNEL
1358
	select CPU_SUPPORTS_HIGHMEM
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	select CPU_SUPPORTS_MSA
1360
	select HAVE_KVM
1361
	help
1362
	  Choose this option to build a kernel for release 2 or later of the
1363 1364 1365 1366 1367
	  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.

1368 1369 1370 1371 1372 1373 1374
config CPU_MIPS32_R6
	bool "MIPS32 Release 6 (EXPERIMENTAL)"
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1375
	select GENERIC_CSUM
1376 1377 1378 1379 1380 1381 1382 1383
	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.

1384 1385
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1386
	depends on SYS_HAS_CPU_MIPS64_R1
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	select CPU_HAS_PREFETCH
1388 1389
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1390
	select CPU_SUPPORTS_HIGHMEM
1391
	select CPU_SUPPORTS_HUGEPAGES
1392 1393 1394 1395 1396 1397
	help
	  Choose this option to build a kernel for release 1 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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	  Release 2 of the MIPS64 architecture is available since several
	  years so chances are you even have a MIPS64 Release 2 processor
	  in which case you should choose CPU_MIPS64_R2 instead for better
	  performance.

config CPU_MIPS64_R2
	bool "MIPS64 Release 2"
1405
	depends on SYS_HAS_CPU_MIPS64_R2
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	select CPU_HAS_PREFETCH
R
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1407 1408
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1409
	select CPU_SUPPORTS_HIGHMEM
1410
	select CPU_SUPPORTS_HUGEPAGES
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1411
	select CPU_SUPPORTS_MSA
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1412 1413 1414 1415 1416 1417
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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1419 1420 1421 1422 1423 1424 1425 1426
config CPU_MIPS64_R6
	bool "MIPS64 Release 6 (EXPERIMENTAL)"
	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
1427
	select GENERIC_CSUM
1428 1429 1430 1431 1432 1433
	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.

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config CPU_R3000
	bool "R3000"
1436
	depends on SYS_HAS_CPU_R3000
1437
	select CPU_HAS_WB
1438
	select CPU_SUPPORTS_32BIT_KERNEL
R
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1439
	select CPU_SUPPORTS_HIGHMEM
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1440 1441 1442 1443 1444 1445 1446 1447 1448 1449
	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"
1450
	depends on SYS_HAS_CPU_TX39XX
1451
	select CPU_SUPPORTS_32BIT_KERNEL
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1452 1453 1454

config CPU_VR41XX
	bool "R41xx"
1455
	depends on SYS_HAS_CPU_VR41XX
1456 1457
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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1458
	help
1459
	  The options selects support for the NEC VR4100 series of processors.
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	  Only choose this option if you have one of these processors as a
	  kernel built with this option will not run on any other type of
	  processor or vice versa.

config CPU_R4300
	bool "R4300"
1466
	depends on SYS_HAS_CPU_R4300
1467 1468
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
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1469 1470 1471 1472 1473
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1474
	depends on SYS_HAS_CPU_R4X00
1475 1476
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1477
	select CPU_SUPPORTS_HUGEPAGES
L
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1478 1479 1480 1481 1482 1483
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1484
	depends on SYS_HAS_CPU_TX49XX
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	select CPU_HAS_PREFETCH
1486 1487
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1488
	select CPU_SUPPORTS_HUGEPAGES
L
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1489 1490 1491

config CPU_R5000
	bool "R5000"
1492
	depends on SYS_HAS_CPU_R5000
1493 1494
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1495
	select CPU_SUPPORTS_HUGEPAGES
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1496 1497 1498 1499 1500
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1501
	depends on SYS_HAS_CPU_R5432
1502 1503
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1504
	select CPU_SUPPORTS_HUGEPAGES
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1506 1507 1508 1509 1510
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1511
	select CPU_SUPPORTS_HUGEPAGES
1512 1513 1514 1515
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

L
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1516 1517
config CPU_R6000
	bool "R6000"
1518
	depends on SYS_HAS_CPU_R6000
1519
	select CPU_SUPPORTS_32BIT_KERNEL
L
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1520 1521
	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
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1522
	  processors are extremely rare and the support for them is incomplete.
L
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1523 1524 1525

config CPU_NEVADA
	bool "RM52xx"
1526
	depends on SYS_HAS_CPU_NEVADA
1527 1528
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1529
	select CPU_SUPPORTS_HUGEPAGES
L
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1530 1531 1532 1533 1534
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1535
	depends on SYS_HAS_CPU_R8000
1536
	select CPU_HAS_PREFETCH
1537
	select CPU_SUPPORTS_64BIT_KERNEL
L
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1538 1539 1540 1541 1542 1543
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1544
	depends on SYS_HAS_CPU_R10000
1545
	select CPU_HAS_PREFETCH
1546 1547
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1548
	select CPU_SUPPORTS_HIGHMEM
1549
	select CPU_SUPPORTS_HUGEPAGES
L
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1550 1551 1552 1553 1554
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1555
	depends on SYS_HAS_CPU_RM7000
1556
	select CPU_HAS_PREFETCH
1557 1558
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1559
	select CPU_SUPPORTS_HIGHMEM
1560
	select CPU_SUPPORTS_HUGEPAGES
L
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1561 1562 1563

config CPU_SB1
	bool "SB1"
1564
	depends on SYS_HAS_CPU_SB1
1565 1566
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1567
	select CPU_SUPPORTS_HIGHMEM
1568
	select CPU_SUPPORTS_HUGEPAGES
1569
	select WEAK_ORDERING
L
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1570

1571 1572
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1573
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1574 1575 1576 1577
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1578
	select CPU_SUPPORTS_HUGEPAGES
1579 1580
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1581
	select MIPS_L1_CACHE_SHIFT_7
1582 1583 1584 1585 1586 1587
	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.

1588 1589 1590 1591
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1592
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1593 1594 1595 1596 1597
	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
1598
	select IRQ_MIPS_CPU
1599 1600
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1601
	select CPU_SUPPORTS_HIGHMEM
1602
	select CPU_HAS_PREFETCH
1603
	help
1604
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1605

1606 1607 1608 1609 1610 1611
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
1612
	select CPU_SUPPORTS_HUGEPAGES
1613 1614 1615 1616
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1617 1618 1619 1620 1621 1622 1623 1624 1625 1626

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
1627
	select CPU_MIPSR2
1628
	select CPU_SUPPORTS_HUGEPAGES
1629 1630
	help
	  Netlogic Microsystems XLP processors.
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endchoice

1633 1634 1635
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1636
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652
	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.

1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706
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

1707 1708 1709 1710
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1711
	select HAVE_KERNEL_LZ4
1712
	select HAVE_KERNEL_LZMA
1713
	select HAVE_KERNEL_LZO
1714
	select HAVE_KERNEL_XZ
1715 1716 1717 1718 1719

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1720 1721 1722 1723 1724
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1725
	select CPU_SUPPORTS_HUGEPAGES
1726

1727 1728 1729 1730 1731 1732 1733
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1734
	select CPU_SUPPORTS_CPUFREQ
1735

1736
config CPU_BMIPS32_3300
1737
	select SMP_UP if SMP
1738
	bool
1739 1740 1741 1742 1743 1744 1745 1746

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1747
	select MIPS_L1_CACHE_SHIFT_6
1748 1749 1750 1751 1752 1753
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1754
	select MIPS_L1_CACHE_SHIFT_7
1755 1756
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1757

1758 1759 1760 1761
config SYS_HAS_CPU_LOONGSON3
	bool
	select CPU_SUPPORTS_CPUFREQ

1762
config SYS_HAS_CPU_LOONGSON2E
1763 1764
	bool

1765 1766
config SYS_HAS_CPU_LOONGSON2F
	bool
1767 1768
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1769
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1770

1771 1772 1773
config SYS_HAS_CPU_LOONGSON1B
	bool

1774 1775 1776 1777 1778 1779
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1780 1781 1782
config SYS_HAS_CPU_MIPS32_R3_5
	bool

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config SYS_HAS_CPU_MIPS32_R5
	bool

1786 1787 1788
config SYS_HAS_CPU_MIPS32_R6
	bool

1789 1790 1791 1792 1793 1794
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1795 1796 1797
config SYS_HAS_CPU_MIPS64_R6
	bool

1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821
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

1822 1823 1824
config SYS_HAS_CPU_R5500
	bool

1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
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

1843 1844 1845
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1846
config SYS_HAS_CPU_BMIPS
1847 1848
	bool

1849
config SYS_HAS_CPU_BMIPS32_3300
1850
	bool
1851
	select SYS_HAS_CPU_BMIPS
1852 1853 1854

config SYS_HAS_CPU_BMIPS4350
	bool
1855
	select SYS_HAS_CPU_BMIPS
1856 1857 1858

config SYS_HAS_CPU_BMIPS4380
	bool
1859
	select SYS_HAS_CPU_BMIPS
1860 1861 1862

config SYS_HAS_CPU_BMIPS5000
	bool
1863
	select SYS_HAS_CPU_BMIPS
1864

1865 1866 1867
config SYS_HAS_CPU_XLR
	bool

1868 1869 1870
config SYS_HAS_CPU_XLP
	bool

1871 1872 1873 1874 1875 1876
config MIPS_MALTA_PM
	depends on MIPS_MALTA
	depends on PCI
	bool
	default y

1877 1878 1879 1880
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1881 1882
config WEAK_ORDERING
	bool
1883 1884 1885 1886 1887 1888 1889

#
# 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
1890 1891 1892
endmenu

#
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# These two indicate any level of the MIPS32 and MIPS64 architecture
1894 1895 1896
#
config CPU_MIPS32
	bool
1897
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1898 1899 1900

config CPU_MIPS64
	bool
1901
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1902 1903

#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
1905 1906 1907 1908 1909 1910 1911
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1912
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1913
	select MIPS_SPRAM
1914

1915 1916 1917
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1918
	select MIPS_SPRAM
1919

1920 1921 1922
config EVA
	bool

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config XPA
	bool

1926 1927 1928 1929 1930 1931 1932 1933
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1934 1935 1936 1937
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1938 1939
config CPU_SUPPORTS_HUGEPAGES
	bool
1940 1941
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1942 1943
config MIPS_PGD_C0_CONTEXT
	bool
1944
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1945

1946 1947 1948 1949 1950
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1951
       default y if CPU_MIPSR1 || CPU_MIPSR2
1952

1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
menu "Kernel type"

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

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

endchoice

1977 1978
config KVM_GUEST
	bool "KVM Guest Kernel"
1979
	depends on BROKEN_ON_SMP
1980 1981 1982
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

1983 1984
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
1985
	depends on KVM_GUEST
1986
	default 100
1987
	help
1988 1989 1990
	  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.
1991

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
1998
	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"
2007
	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
2011 2012
	  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"
2016
	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
2020 2021
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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2023 2024 2025 2026 2027 2028 2029 2030 2031
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"
2034
	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
2039
	  writing this option is still high experimental.
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2040 2041 2042

endchoice

2043 2044
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
2045 2046 2047 2048 2049 2050
	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
2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066
	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

2074 2075 2076 2077 2078 2079 2080
#
# 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
2098
	bool
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2100 2101 2102 2103
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)

2108 2109 2110 2111
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
2113
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2114
	depends on SYS_SUPPORTS_MULTITHREADING
2115
	select CPU_MIPSR2_IRQ_VI
2116
	select CPU_MIPSR2_IRQ_EI
2117
	select SYNC_R4K
2118
	select MIPS_GIC_IPI
2119
	select MIPS_MT
2120
	select SMP
2121
	select SMP_UP
2122 2123
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2124
	select MIPS_PERF_SHARED_TC_COUNTERS
2125
	help
2126 2127 2128 2129 2130
	  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>.
2131

2132 2133 2134
config MIPS_MT
	bool

2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146
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

2147 2148 2149
config SYS_SUPPORTS_MULTITHREADING
	bool

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config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
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2153
	depends on MIPS_MT_SMP
2154

2155 2156 2157 2158 2159 2160 2161
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
2162
	  default. You can enable it using the 'mipsr2emu' kernel option.
2163 2164 2165 2166 2167
	  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

2168 2169
config MIPS_VPE_LOADER
	bool "VPE loader support."
2170
	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2171 2172 2173 2174 2175 2176
	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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2178 2179 2180 2181 2182
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2183 2184 2185 2186 2187
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198
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
2199 2200 2201
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
2202

2203 2204 2205 2206 2207
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2208 2209 2210 2211 2212
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2213
config MIPS_CMP
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	bool "MIPS CMP framework support (DEPRECATED)"
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2215
	depends on SYS_SUPPORTS_MIPS_CMP
2216
	select MIPS_GIC_IPI
2217
	select SMP
2218
	select SYNC_R4K
2219
	select SYS_SUPPORTS_SMP
2220 2221 2222
	select WEAK_ORDERING
	default n
	help
2223 2224 2225
	  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.
2226

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2227 2228 2229
	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
	  instead of this.

2230 2231
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
2232
	depends on SYS_SUPPORTS_MIPS_CPS && !64BIT
2233 2234
	select MIPS_CM
	select MIPS_CPC
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	select MIPS_CPS_PM if HOTPLUG_CPU
2236 2237 2238
	select MIPS_GIC_IPI
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2240 2241 2242 2243 2244 2245 2246 2247 2248
	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.

2249
config MIPS_CPS_PM
2250
	depends on MIPS_CPS
2251
	select MIPS_CPC
2252 2253
	bool

2254 2255 2256
config MIPS_GIC_IPI
	bool

2257 2258 2259
config MIPS_CM
	bool

2260 2261
config MIPS_CPC
	bool
2262

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config SB1_PASS_1_WORKAROUNDS
	bool
	depends on CPU_SB1_PASS_1
	default y

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

config SB1_PASS_2_1_WORKAROUNDS
	bool
	depends on CPU_SB1 && CPU_SB1_PASS_2
	default y

2278

2279
config ARCH_PHYS_ADDR_T_64BIT
2280
       bool
2281

2282 2283 2284 2285 2286 2287 2288 2289
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

2290 2291
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2292
	bool "SmartMIPS"
2293 2294 2295 2296 2297 2298 2299 2300 2301
	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.

2302
config CPU_MICROMIPS
2303
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2304
	bool "microMIPS"
2305 2306 2307 2308
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2309 2310
endchoice

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config CPU_HAS_MSA
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2312
	bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
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2313
	depends on CPU_SUPPORTS_MSA
2314
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
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2315 2316 2317
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2318 2319 2320 2321 2322
	  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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	  If unsure, say Y.

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config CPU_HAS_WB
2327
	bool
2328

2329 2330 2331
config XKS01
	bool

2332 2333 2334
#
# Vectored interrupt mode is an R2 feature
#
2335
config CPU_MIPSR2_IRQ_VI
2336
	bool
2337

2338 2339 2340
#
# Extended interrupt mode is an R2 feature
#
2341
config CPU_MIPSR2_IRQ_EI
2342
	bool
2343

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361
#
# 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"
2377
	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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2385 2386 2387
config SYS_SUPPORTS_SMARTMIPS
	bool

2388 2389 2390
config SYS_SUPPORTS_MICROMIPS
	bool

2391 2392 2393 2394 2395 2396 2397
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

2401 2402
config ARCH_FLATMEM_ENABLE
	def_bool y
2403
	depends on !NUMA && !CPU_LOONGSON2
2404

2405 2406 2407 2408
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2409
	  Say Y to support efficient handling of discontiguous physical memory,
2410 2411 2412 2413
	  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.

2414 2415
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2417

2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430
config NUMA
	bool "NUMA Support"
	depends on SYS_SUPPORTS_NUMA
	help
	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
	  Access).  This option improves performance on systems with more
	  than two nodes; on two node systems it is generally better to
	  leave it disabled; on single node systems disable this option
	  disabled.

config SYS_SUPPORTS_NUMA
	bool

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config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2436 2437
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
2438
	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2439 2440 2441 2442 2443
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2444 2445
source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
2448 2449
	depends on SYS_SUPPORTS_SMP
	help
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	  This enables support for systems with more than one CPU. If you have
2451 2452
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
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2454
	  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,
2457
	  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.

2468 2469 2470
config SMP_UP
	bool

2471 2472 2473
config SYS_SUPPORTS_MIPS_CMP
	bool

2474 2475 2476
config SYS_SUPPORTS_MIPS_CPS
	bool

2477 2478 2479
config SYS_SUPPORTS_SMP
	bool

2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494
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
2499 2500 2501 2502 2503
	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
2508 2509
	  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
2512 2513 2514
	  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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2516 2517 2518
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2530
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2531 2532 2533 2534 2535 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

	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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config SCHED_HRTICK
	def_bool HIGH_RES_TIMERS

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source "kernel/Kconfig.preempt"
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2594

2595
config KEXEC
2596
	bool "Kexec system call"
2597 2598 2599
	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
2600
	  but it is independent of the system firmware.   And like a reboot
2601 2602
	  you can start any kernel with it, not just Linux.

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	  The name comes from the similarity to the exec system call.
2604 2605 2606

	  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
2607 2608 2609
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
2610

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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).

2634 2635
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2636
	depends on PROC_FS
2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650
	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.

2651
config MIPS_O32_FP64_SUPPORT
2652
	bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664
	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.

2665 2666 2667 2668 2669 2670 2671 2672
	  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.
2673

2674
config USE_OF
2675
	bool
2676
	select OF
2677
	select OF_EARLY_FLATTREE
2678
	select IRQ_DOMAIN
2679

2680 2681 2682
config BUILTIN_DTB
	bool

2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707
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.
2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725

	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.
2726 2727
endchoice

2728 2729
endmenu

2730 2731 2732 2733 2734 2735 2736 2737
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2738 2739 2740 2741 2742
config PGTABLE_LEVELS
	int
	default 3 if 64BIT && !PAGE_SIZE_64KB
	default 2

2743 2744
source "init/Kconfig"

2745 2746
source "kernel/Kconfig.freezer"

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

2749 2750
config HW_HAS_EISA
	bool
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2751 2752 2753 2754 2755 2756
config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2757
	select PCI_DOMAINS
2758
	select NO_GENERIC_PCI_IOPORT_MAP
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	help
	  Find out whether you have a PCI motherboard. PCI is the name of a
	  bus system, i.e. the way the CPU talks to the other stuff inside
	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
	  say Y, otherwise N.

2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775
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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config PCI_DOMAINS
	bool

source "drivers/pci/Kconfig"

2781 2782
source "drivers/pci/pcie/Kconfig"

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#
# 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"
2793
	depends on HW_HAS_EISA
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2794
	select ISA
2795
	select GENERIC_ISA_DMA
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	---help---
	  The Extended Industry Standard Architecture (EISA) bus was
	  developed as an open alternative to the IBM MicroChannel bus.

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

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

	  Otherwise, say N.

source "drivers/eisa/Kconfig"

config TC
	bool "TURBOchannel support"
	depends on MACH_DECSTATION
	help
2815 2816 2817 2818 2819 2820 2821 2822
	  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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2823 2824 2825 2826 2827

config MMU
	bool
	default y

2828 2829
config I8253
	bool
2830
	select CLKSRC_I8253
2831
	select CLKEVT_I8253
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2832
	select MIPS_EXTERNAL_TIMER
2833

2834 2835 2836
config ZONE_DMA
	bool

2837 2838 2839
config ZONE_DMA32
	bool

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source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2844
config RAPIDIO
2845
	tristate "RapidIO support"
2846 2847 2848 2849 2850 2851 2852 2853
	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
2864
	bool
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2865 2866 2867 2868

config COMPAT
	bool

2869 2870 2871
config SYSVIPC_COMPAT
	bool

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config MIPS32_O32
	bool "Kernel support for o32 binaries"
2874 2875 2876 2877 2878
	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"