Kconfig 68.5 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_DEBUG_KMEMLEAK
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	select HAVE_SYSCALL_TRACEPOINTS
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	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
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	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
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	select RTC_LIB if !MACH_LOONGSON
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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_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
	select IRQ_CPU
	select NO_EXCEPT_FILL
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_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
	select IRQ_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 CLKDEV_LOOKUP
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	select IRQ_CPU
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	select MIPS_MACHINE
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	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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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
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_HAS_CPU_BMIPS5000
	select SWAP_IO_SPACE
	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_OHCI_BIG_ENDIAN_DESC
	select USB_OHCI_BIG_ENDIAN_MMIO
	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
	select IRQ_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
	select IRQ_CPU
	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
	select IRQ_CPU
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	select IRQ_GT641XX
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	select PCI_GT64XXX_PCI0
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	select PCI
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	select SYS_HAS_CPU_NEVADA
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	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_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_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_JZ4740
	bool "Ingenic JZ4740 based machines"
	select SYS_HAS_CPU_MIPS32_R1
	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
	select IRQ_CPU
	select ARCH_REQUIRE_GPIOLIB
	select SYS_HAS_EARLY_PRINTK
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	select HAVE_CLK
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	select GENERIC_IRQ_CHIP
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config LANTIQ
	bool "Lantiq based platforms"
	select DMA_NONCOHERENT
	select IRQ_CPU
	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_CPU
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	select PCI_GT64XXX_PCI0
	select MIPS_NILE4
	select R5000_CPU_SCACHE
	select SYS_HAS_CPU_R5000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
	select SYS_SUPPORTS_LITTLE_ENDIAN

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

	  Loongson is a family of general-purpose MIPS-compatible CPUs.
	  developed at Institute of Computing Technology (ICT),
	  Chinese Academy of Sciences (CAS) in the People's Republic
	  of China. The chief architect is Professor Weiwu Hu.
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config MACH_LOONGSON1
	bool "Loongson 1 family of machines"
	select SYS_SUPPORTS_ZBOOT
	help
	  This enables support for the Loongson 1 based machines.

	  Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by
	  the ICT (Institute of Computing Technology) and the Chinese Academy
	  of Sciences.

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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
	select IRQ_CPU
	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
	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 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_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_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
	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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	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
	select IRQ_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_CPU
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
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	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
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	help
	  This adds support for the PMC-Sierra family of Multi-Service
	  Processor System-On-A-Chips.  These parts include a number
	  of integrated peripherals, interfaces and DSPs in addition to
	  a variety of MIPS cores.

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config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
	select IRQ_CPU
	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
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	select SYS_SUPPORTS_MIPS16
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	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
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	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
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config SGI_IP22
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	bool "SGI IP22 (Indy/Indigo2)"
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	select FW_ARC
	select FW_ARC32
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	select BOOT_ELF32
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	select CEVT_R4K
541
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
542
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
543
	select DMA_NONCOHERENT
544
	select HW_HAS_EISA
545
	select I8253
546
	select I8259
L
Linus Torvalds 已提交
547 548
	select IP22_CPU_SCACHE
	select IRQ_CPU
549
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
550 551
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
552
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
553 554 555
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
556
	select SWAP_IO_SPACE
557 558
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
559 560 561 562 563 564 565 566
	#
	# 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
567 568
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
569
	select SYS_SUPPORTS_BIG_ENDIAN
570
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
571 572 573 574 575 576
	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
577
	bool "SGI IP27 (Origin200/2000)"
578 579
	select FW_ARC
	select FW_ARC64
580
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
581
	select DEFAULT_SGI_PARTITION
582
	select DMA_COHERENT
583
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
584
	select HW_HAS_PCI
585
	select NR_CPUS_DEFAULT_64
586
	select SYS_HAS_CPU_R10000
587
	select SYS_SUPPORTS_64BIT_KERNEL
588
	select SYS_SUPPORTS_BIG_ENDIAN
589
	select SYS_SUPPORTS_NUMA
590
	select SYS_SUPPORTS_SMP
591
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
592 593 594 595 596
	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
597
config SGI_IP28
598
	bool "SGI IP28 (Indigo2 R10k)"
599 600
	select FW_ARC
	select FW_ARC64
T
Thomas Bogendoerfer 已提交
601 602 603 604 605 606 607 608 609 610 611 612
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select IRQ_CPU
	select HW_HAS_EISA
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
613
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
614 615 616 617 618
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
619 620 621 622 623 624 625 626
	#
	# 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
627 628
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
629
	select MIPS_L1_CACHE_SHIFT_7
T
Thomas Bogendoerfer 已提交
630 631 632 633
      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
634
config SGI_IP32
635
	bool "SGI IP32 (O2)"
636 637
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
638
	select BOOT_ELF32
639
	select CEVT_R4K
640
	select CSRC_R4K
L
Linus Torvalds 已提交
641 642
	select DMA_NONCOHERENT
	select HW_HAS_PCI
643
	select IRQ_CPU
L
Linus Torvalds 已提交
644 645
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
646 647 648
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
649
	select SYS_HAS_CPU_NEVADA
650
	select SYS_SUPPORTS_64BIT_KERNEL
651 652
	select SYS_SUPPORTS_BIG_ENDIAN
	help
653
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
654

655 656
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
657 658
	select BOOT_ELF32
	select DMA_COHERENT
659
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
660
	select SWAP_IO_SPACE
661
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
662 663 664
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

665 666
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
667
	select BOOT_ELF32
L
Linus Torvalds 已提交
668
	select DMA_COHERENT
669
	select SIBYTE_BCM1120
670
	select SWAP_IO_SPACE
671
	select SYS_HAS_CPU_SB1
672
	select SYS_SUPPORTS_BIG_ENDIAN
673
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
674

675 676
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
677 678
	select BOOT_ELF32
	select DMA_COHERENT
679
	select SIBYTE_BCM1125
680
	select SWAP_IO_SPACE
681
	select SYS_HAS_CPU_SB1
682
	select SYS_SUPPORTS_BIG_ENDIAN
683
	select SYS_SUPPORTS_HIGHMEM
684
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
685

686
config SIBYTE_RHONE
687
	bool "Sibyte BCM91125E-Rhone"
688 689 690 691
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
692
	select SYS_HAS_CPU_SB1
693 694
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
695

696 697
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
698
	select BOOT_ELF32
P
Pete Popov 已提交
699
	select DMA_COHERENT
700
	select HAVE_PATA_PLATFORM
701
	select SIBYTE_SB1250
702
	select SWAP_IO_SPACE
703
	select SYS_HAS_CPU_SB1
704
	select SYS_SUPPORTS_BIG_ENDIAN
705
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
706
	select SYS_SUPPORTS_LITTLE_ENDIAN
707
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
708

709 710
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
711 712
	select BOOT_ELF32
	select DMA_COHERENT
713
	select HAVE_PATA_PLATFORM
714 715
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
716
	select SYS_HAS_CPU_SB1
717 718 719
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
720

721 722
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
723 724 725 726
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
727
	select SYS_HAS_CPU_SB1
728 729
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
730

731 732
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
733 734
	select BOOT_ELF32
	select DMA_COHERENT
735 736
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
737
	select SWAP_IO_SPACE
738
	select SYS_HAS_CPU_SB1
739
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
740
	select SYS_SUPPORTS_HIGHMEM
741
	select SYS_SUPPORTS_LITTLE_ENDIAN
742
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
743

744 745
config SNI_RM
	bool "SNI RM200/300/400"
746 747
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
748
	select FW_SNIPROM if CPU_BIG_ENDIAN
749
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
750
	select BOOT_ELF32
751
	select CEVT_R4K
752
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
753
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
754 755
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
756
	select HAVE_PCSPKR_PLATFORM
757
	select HW_HAS_EISA
L
Linus Torvalds 已提交
758
	select HW_HAS_PCI
759
	select IRQ_CPU
760
	select I8253
L
Linus Torvalds 已提交
761 762
	select I8259
	select ISA
763
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
764
	select SYS_HAS_CPU_R4X00
765
	select SYS_HAS_CPU_R5000
766
	select SYS_HAS_CPU_R10000
767
	select R5000_CPU_SCACHE
768
	select SYS_HAS_EARLY_PRINTK
769
	select SYS_SUPPORTS_32BIT_KERNEL
770
	select SYS_SUPPORTS_64BIT_KERNEL
771
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
772
	select SYS_SUPPORTS_HIGHMEM
773
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
774
	help
775 776
	  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
777 778 779
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

780 781
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
782

783 784
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
785

786 787 788 789 790 791 792 793 794 795 796 797
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
798
	select ARCH_REQUIRE_GPIOLIB
799
	select MIPS_L1_CACHE_SHIFT_4
800 801 802 803
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

804 805
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
806
	select CEVT_R4K
807
	select ARCH_PHYS_ADDR_T_64BIT
808 809 810
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
811
	select EDAC_SUPPORT
812 813
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
814
	select SYS_HAS_EARLY_PRINTK
815
	select SYS_HAS_CPU_CAVIUM_OCTEON
816
	select SWAP_IO_SPACE
817
	select HW_HAS_PCI
D
David Daney 已提交
818
	select ZONE_DMA32
819
	select HOLES_IN_ZONE
820
	select ARCH_REQUIRE_GPIOLIB
821 822 823 824 825
	select LIBFDT
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
826
	select BUILTIN_DTB
827 828 829 830 831 832 833 834 835 836 837 838 839
	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.

840 841 842 843 844 845 846 847 848 849
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
850
	select ARCH_PHYS_ADDR_T_64BIT
851 852 853 854 855 856 857
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
858
	select ZONE_DMA32 if 64BIT
859 860
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
861 862
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
863 864 865 866
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

867 868 869 870 871 872 873 874 875
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
876
	select ARCH_PHYS_ADDR_T_64BIT
877 878 879 880 881 882 883 884
	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
	select IRQ_CPU
885
	select ZONE_DMA32 if 64BIT
886 887
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
888
	select USE_OF
889 890
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
891 892 893 894
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913
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 ????

914
endchoice
L
Linus Torvalds 已提交
915

R
Ralf Baechle 已提交
916
source "arch/mips/alchemy/Kconfig"
917
source "arch/mips/ath25/Kconfig"
918
source "arch/mips/ath79/Kconfig"
919
source "arch/mips/bcm47xx/Kconfig"
920
source "arch/mips/bcm63xx/Kconfig"
921
source "arch/mips/jazz/Kconfig"
922
source "arch/mips/jz4740/Kconfig"
923
source "arch/mips/lantiq/Kconfig"
924
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
925
source "arch/mips/pmcs-msp71xx/Kconfig"
J
John Crispin 已提交
926
source "arch/mips/ralink/Kconfig"
927
source "arch/mips/sgi-ip27/Kconfig"
928
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
929
source "arch/mips/txx9/Kconfig"
930
source "arch/mips/vr41xx/Kconfig"
931
source "arch/mips/cavium-octeon/Kconfig"
932
source "arch/mips/loongson/Kconfig"
933
source "arch/mips/loongson1/Kconfig"
934
source "arch/mips/netlogic/Kconfig"
935
source "arch/mips/paravirt/Kconfig"
936

937 938
endmenu

L
Linus Torvalds 已提交
939 940 941 942 943 944 945
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

946 947 948 949 950 951 952 953
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

954 955 956 957
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
958 959 960 961
config GENERIC_CALIBRATE_DELAY
	bool
	default y

962
config SCHED_OMIT_FRAME_POINTER
963 964 965
	bool
	default y

L
Linus Torvalds 已提交
966 967 968
#
# Select some configuration options automatically based on user selections.
#
969
config FW_ARC
L
Linus Torvalds 已提交
970 971
	bool

972 973 974
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
975 976 977
config BOOT_RAW
	bool

978 979 980
config CEVT_BCM1480
	bool

981 982 983
config CEVT_DS1287
	bool

984 985 986
config CEVT_GT641XX
	bool

987 988 989
config CEVT_R4K
	bool

990 991 992
config CEVT_SB1250
	bool

993 994 995
config CEVT_TXX9
	bool

996 997 998
config CSRC_BCM1480
	bool

999 1000 1001
config CSRC_IOASIC
	bool

1002 1003 1004
config CSRC_R4K
	bool

1005 1006 1007
config CSRC_SB1250
	bool

1008
config GPIO_TXX9
M
Michael Buesch 已提交
1009
	select ARCH_REQUIRE_GPIOLIB
1010 1011
	bool

1012
config FW_CFE
1013 1014
	bool

1015
config ARCH_DMA_ADDR_T_64BIT
1016
	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1017

1018 1019 1020 1021
config DMA_MAYBE_COHERENT
	select DMA_NONCOHERENT
	bool

1022
config DMA_COHERENT
L
Linus Torvalds 已提交
1023 1024
	bool

1025 1026
config DMA_NONCOHERENT
	bool
1027
	select NEED_DMA_MAP_STATE
1028

1029
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
1030 1031
	bool

1032
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
1033 1034
	bool

1035
config HOTPLUG_CPU
1036
	bool "Support for hot-pluggable CPUs"
1037
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1038 1039 1040 1041 1042 1043 1044 1045
	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
1046 1047
	bool

L
Linus Torvalds 已提交
1048 1049
config I8259
	bool
A
Andrew Bresticker 已提交
1050
	select IRQ_DOMAIN
L
Linus Torvalds 已提交
1051 1052 1053 1054 1055 1056 1057

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1058 1059 1060
config MIPS_NILE4
	bool

1061 1062 1063
config SYNC_R4K
	bool

1064 1065 1066
config MIPS_MACHINE
	def_bool n

1067
config NO_IOPORT_MAP
1068 1069
	def_bool n

1070 1071 1072
config GENERIC_CSUM
	bool

1073 1074 1075
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1076
	select ISA_DMA_API
1077

1078 1079
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1080
	select GENERIC_ISA_DMA
1081

1082 1083 1084
config ISA_DMA_API
	bool

1085 1086 1087
config HOLES_IN_ZONE
	bool

1088
#
M
Masanari Iida 已提交
1089
# Endianness selection.  Sufficiently obscure so many users don't know what to
1090 1091 1092 1093
# answer,so we try hard to limit the available choices.  Also the use of a
# choice statement should be more obvious to the user.
#
choice
M
Masanari Iida 已提交
1094
	prompt "Endianness selection"
L
Linus Torvalds 已提交
1095 1096
	help
	  Some MIPS machines can be configured for either little or big endian
1097
	  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
1099
	  particular system but some systems are just as commonly used in the
1100
	  one or the other endianness.
1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111

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

1112 1113 1114
config EXPORT_UASM
	bool

1115 1116 1117
config SYS_SUPPORTS_APM_EMULATION
	bool

1118 1119 1120 1121 1122
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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1124 1125 1126 1127 1128
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1129 1130 1131
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

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config IRQ_CPU
	bool
1134
	select IRQ_DOMAIN
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config IRQ_CPU_RM7K
	bool

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config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1145 1146 1147
config IRQ_TXX9
	bool

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config IRQ_GT641XX
	bool

1151
config PCI_GT64XXX_PCI0
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	bool

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config NO_EXCEPT_FILL
	bool

1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
1179
	select SYS_SUPPORTS_MIPS16
1180 1181 1182 1183 1184 1185
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1186 1187 1188
config MIPS_SPRAM
	bool

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config SWAP_IO_SPACE
	bool

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config SGI_HAS_INDYDOG
	bool

1195 1196 1197
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

1213
config FW_ARC32
1214 1215
	bool

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config FW_SNIPROM
1217 1218
	bool

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config BOOT_ELF32
	bool

1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233
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
1236 1237 1238 1239
	default "4" if MIPS_L1_CACHE_SHIFT_4
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "7" if MIPS_L1_CACHE_SHIFT_7
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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
1251
	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

1259
config FW_ARC64
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	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282
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
	help
		The Loongson 3 processor implements the MIPS64R2 instruction
		set with many extensions.

1283 1284 1285 1286
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1287 1288 1289 1290
	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
1292 1293 1294 1295 1296 1297
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1298
	select ARCH_REQUIRE_GPIOLIB
1299 1300 1301 1302 1303 1304 1305 1306
	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.

1307 1308 1309 1310 1311 1312 1313 1314
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.

1315 1316
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1317
	depends on SYS_HAS_CPU_MIPS32_R1
1318
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1320
	select CPU_SUPPORTS_HIGHMEM
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	help
1322
	  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"
1334
	depends on SYS_HAS_CPU_MIPS32_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1337
	select CPU_SUPPORTS_HIGHMEM
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	select CPU_SUPPORTS_MSA
1339
	select HAVE_KVM
1340
	help
1341
	  Choose this option to build a kernel for release 2 or later of the
1342 1343 1344 1345 1346
	  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.

1347 1348 1349 1350 1351 1352 1353
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
1354
	select GENERIC_CSUM
1355 1356 1357 1358 1359 1360 1361 1362
	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.

1363 1364
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1365
	depends on SYS_HAS_CPU_MIPS64_R1
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	select CPU_HAS_PREFETCH
1367 1368
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1369
	select CPU_SUPPORTS_HIGHMEM
1370
	select CPU_SUPPORTS_HUGEPAGES
1371 1372 1373 1374 1375 1376
	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"
1384
	depends on SYS_HAS_CPU_MIPS64_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1388
	select CPU_SUPPORTS_HIGHMEM
1389
	select CPU_SUPPORTS_HUGEPAGES
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	select CPU_SUPPORTS_MSA
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	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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1398 1399 1400 1401 1402 1403 1404 1405
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
1406
	select GENERIC_CSUM
1407 1408 1409 1410 1411 1412
	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"
1415
	depends on SYS_HAS_CPU_R3000
1416
	select CPU_HAS_WB
1417
	select CPU_SUPPORTS_32BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	help
	  Please make sure to pick the right CPU type. Linux/MIPS is not
	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
	  *not* work on R4000 machines and vice versa.  However, since most
	  of the supported machines have an R4000 (or similar) CPU, R4x00
	  might be a safe bet.  If the resulting kernel does not work,
	  try to recompile with R3000.

config CPU_TX39XX
	bool "R39XX"
1429
	depends on SYS_HAS_CPU_TX39XX
1430
	select CPU_SUPPORTS_32BIT_KERNEL
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config CPU_VR41XX
	bool "R41xx"
1434
	depends on SYS_HAS_CPU_VR41XX
1435 1436
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
1438
	  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"
1445
	depends on SYS_HAS_CPU_R4300
1446 1447
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1453
	depends on SYS_HAS_CPU_R4X00
1454 1455
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1456
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1463
	depends on SYS_HAS_CPU_TX49XX
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	select CPU_HAS_PREFETCH
1465 1466
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1467
	select CPU_SUPPORTS_HUGEPAGES
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config CPU_R5000
	bool "R5000"
1471
	depends on SYS_HAS_CPU_R5000
1472 1473
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1474
	select CPU_SUPPORTS_HUGEPAGES
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1475 1476 1477 1478 1479
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1480
	depends on SYS_HAS_CPU_R5432
1481 1482
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1483
	select CPU_SUPPORTS_HUGEPAGES
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1485 1486 1487 1488 1489
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1490
	select CPU_SUPPORTS_HUGEPAGES
1491 1492 1493 1494
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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config CPU_R6000
	bool "R6000"
1497
	depends on SYS_HAS_CPU_R6000
1498
	select CPU_SUPPORTS_32BIT_KERNEL
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	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
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	  processors are extremely rare and the support for them is incomplete.
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config CPU_NEVADA
	bool "RM52xx"
1505
	depends on SYS_HAS_CPU_NEVADA
1506 1507
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1508
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1514
	depends on SYS_HAS_CPU_R8000
1515
	select CPU_HAS_PREFETCH
1516
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1523
	depends on SYS_HAS_CPU_R10000
1524
	select CPU_HAS_PREFETCH
1525 1526
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1528
	select CPU_SUPPORTS_HUGEPAGES
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1529 1530 1531 1532 1533
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1534
	depends on SYS_HAS_CPU_RM7000
1535
	select CPU_HAS_PREFETCH
1536 1537
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1538
	select CPU_SUPPORTS_HIGHMEM
1539
	select CPU_SUPPORTS_HUGEPAGES
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config CPU_SB1
	bool "SB1"
1543
	depends on SYS_HAS_CPU_SB1
1544 1545
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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	select CPU_SUPPORTS_HIGHMEM
1547
	select CPU_SUPPORTS_HUGEPAGES
1548
	select WEAK_ORDERING
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1550 1551
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1552
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1553 1554 1555 1556
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1557
	select CPU_SUPPORTS_HUGEPAGES
1558
	select USB_EHCI_BIG_ENDIAN_MMIO
1559
	select MIPS_L1_CACHE_SHIFT_7
1560 1561 1562 1563 1564 1565
	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.

1566 1567 1568 1569
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1570
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1571 1572 1573 1574 1575 1576 1577 1578
	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
	select IRQ_CPU
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1579
	select CPU_SUPPORTS_HIGHMEM
1580
	select CPU_HAS_PREFETCH
1581
	help
1582
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1583

1584 1585 1586 1587 1588 1589
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
1590
	select CPU_SUPPORTS_HUGEPAGES
1591 1592 1593 1594
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1595 1596 1597 1598 1599 1600 1601 1602 1603 1604

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
1605
	select CPU_MIPSR2
1606 1607
	help
	  Netlogic Microsystems XLP processors.
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endchoice

1610 1611 1612
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1613
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629
	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.

1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656
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

1657 1658 1659 1660
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1661
	select HAVE_KERNEL_LZ4
1662
	select HAVE_KERNEL_LZMA
1663
	select HAVE_KERNEL_LZO
1664
	select HAVE_KERNEL_XZ
1665 1666 1667 1668 1669

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1670 1671 1672 1673 1674
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1675
	select CPU_SUPPORTS_HUGEPAGES
1676

1677 1678 1679 1680 1681 1682 1683
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1684
	select CPU_SUPPORTS_CPUFREQ
1685

1686
config CPU_BMIPS32_3300
1687
	select SMP_UP if SMP
1688
	bool
1689 1690 1691 1692 1693 1694 1695 1696

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1697
	select MIPS_L1_CACHE_SHIFT_6
1698 1699 1700 1701 1702 1703
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1704
	select MIPS_L1_CACHE_SHIFT_7
1705 1706
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1707

1708 1709 1710 1711
config SYS_HAS_CPU_LOONGSON3
	bool
	select CPU_SUPPORTS_CPUFREQ

1712
config SYS_HAS_CPU_LOONGSON2E
1713 1714
	bool

1715 1716
config SYS_HAS_CPU_LOONGSON2F
	bool
1717 1718
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1719
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1720

1721 1722 1723
config SYS_HAS_CPU_LOONGSON1B
	bool

1724 1725 1726 1727 1728 1729
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1730 1731 1732
config SYS_HAS_CPU_MIPS32_R3_5
	bool

1733 1734 1735
config SYS_HAS_CPU_MIPS32_R6
	bool

1736 1737 1738 1739 1740 1741
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1742 1743 1744
config SYS_HAS_CPU_MIPS64_R6
	bool

1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768
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

1769 1770 1771
config SYS_HAS_CPU_R5500
	bool

1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789
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

1790 1791 1792
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1793
config SYS_HAS_CPU_BMIPS
1794 1795
	bool

1796
config SYS_HAS_CPU_BMIPS32_3300
1797
	bool
1798
	select SYS_HAS_CPU_BMIPS
1799 1800 1801

config SYS_HAS_CPU_BMIPS4350
	bool
1802
	select SYS_HAS_CPU_BMIPS
1803 1804 1805

config SYS_HAS_CPU_BMIPS4380
	bool
1806
	select SYS_HAS_CPU_BMIPS
1807 1808 1809

config SYS_HAS_CPU_BMIPS5000
	bool
1810
	select SYS_HAS_CPU_BMIPS
1811

1812 1813 1814
config SYS_HAS_CPU_XLR
	bool

1815 1816 1817
config SYS_HAS_CPU_XLP
	bool

1818 1819 1820 1821 1822 1823
config MIPS_MALTA_PM
	depends on MIPS_MALTA
	depends on PCI
	bool
	default y

1824 1825 1826 1827
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1828 1829
config WEAK_ORDERING
	bool
1830 1831 1832 1833 1834 1835 1836

#
# 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
1837 1838 1839
endmenu

#
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# These two indicate any level of the MIPS32 and MIPS64 architecture
1841 1842 1843
#
config CPU_MIPS32
	bool
1844
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1845 1846 1847

config CPU_MIPS64
	bool
1848
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1849 1850

#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
1852 1853 1854 1855 1856 1857 1858
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1859
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1860
	select MIPS_SPRAM
1861

1862 1863 1864
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1865
	select MIPS_SPRAM
1866

1867 1868 1869
config EVA
	bool

1870 1871 1872 1873 1874 1875 1876 1877
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1878 1879 1880 1881
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1882 1883
config CPU_SUPPORTS_HUGEPAGES
	bool
1884 1885
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1886 1887
config MIPS_PGD_C0_CONTEXT
	bool
1888
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1889

1890 1891 1892 1893 1894
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1895
       default y if CPU_MIPSR1 || CPU_MIPSR2
1896

1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920
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

1921 1922
config KVM_GUEST
	bool "KVM Guest Kernel"
1923
	depends on BROKEN_ON_SMP
1924 1925 1926
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

1927 1928
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
1929
	depends on KVM_GUEST
1930
	default 100
1931
	help
1932 1933 1934
	  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.
1935

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
1942
	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"
1951
	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
1955 1956
	  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"
1960
	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
1964 1965
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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1967 1968 1969 1970 1971 1972 1973 1974 1975
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"
1978
	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
1983
	  writing this option is still high experimental.
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endchoice

1987 1988
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
1989 1990 1991 1992 1993 1994
	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
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
	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

2018 2019 2020 2021 2022 2023 2024
#
# 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
2042
	bool
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2044 2045 2046 2047
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)

2052 2053 2054 2055
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
2057
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2058
	depends on SYS_SUPPORTS_MULTITHREADING
2059
	select CPU_MIPSR2_IRQ_VI
2060
	select CPU_MIPSR2_IRQ_EI
2061
	select SYNC_R4K
2062
	select MIPS_GIC_IPI
2063
	select MIPS_MT
2064
	select SMP
2065
	select SMP_UP
2066 2067
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2068
	select MIPS_PERF_SHARED_TC_COUNTERS
2069
	help
2070 2071 2072 2073 2074
	  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>.
2075

2076 2077 2078
config MIPS_MT
	bool

2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090
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

2091 2092 2093
config SYS_SUPPORTS_MULTITHREADING
	bool

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2094 2095 2096
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
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2097
	depends on MIPS_MT_SMP
2098

2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111
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
	  default. You can enable it using the 'mipsr2emul' kernel option.
	  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

2112 2113
config MIPS_VPE_LOADER
	bool "VPE loader support."
2114
	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2115 2116 2117 2118 2119 2120
	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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2122 2123 2124 2125 2126
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2127 2128 2129 2130 2131
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142
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
2143 2144 2145
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
2146

2147 2148 2149 2150 2151
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2152 2153 2154 2155 2156
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2157
config MIPS_CMP
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	bool "MIPS CMP framework support (DEPRECATED)"
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2159
	depends on SYS_SUPPORTS_MIPS_CMP
2160
	select MIPS_GIC_IPI
2161
	select SMP
2162
	select SYNC_R4K
2163
	select SYS_SUPPORTS_SMP
2164 2165 2166
	select WEAK_ORDERING
	default n
	help
2167 2168 2169
	  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.
2170

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2171 2172 2173
	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
	  instead of this.

2174 2175 2176 2177 2178
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
	depends on SYS_SUPPORTS_MIPS_CPS
	select MIPS_CM
	select MIPS_CPC
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	select MIPS_CPS_PM if HOTPLUG_CPU
2180 2181 2182
	select MIPS_GIC_IPI
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2184 2185 2186 2187 2188 2189 2190 2191 2192
	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.

2193
config MIPS_CPS_PM
2194
	depends on MIPS_CPS
2195
	select MIPS_CPC
2196 2197
	bool

2198 2199 2200
config MIPS_GIC_IPI
	bool

2201 2202 2203
config MIPS_CM
	bool

2204 2205
config MIPS_CPC
	bool
2206

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2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221
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

2222

2223
config ARCH_PHYS_ADDR_T_64BIT
2224
       bool
2225

2226 2227 2228 2229 2230 2231 2232 2233
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

2234 2235
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2236
	bool "SmartMIPS"
2237 2238 2239 2240 2241 2242 2243 2244 2245
	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.

2246
config CPU_MICROMIPS
2247
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2248
	bool "microMIPS"
2249 2250 2251 2252
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2253 2254
endchoice

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config CPU_HAS_MSA
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2256
	bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
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2257
	depends on CPU_SUPPORTS_MSA
2258
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
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2259 2260 2261
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2262 2263 2264 2265 2266
	  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
2271
	bool
2272

2273 2274 2275
config XKS01
	bool

2276 2277 2278
#
# Vectored interrupt mode is an R2 feature
#
2279
config CPU_MIPSR2_IRQ_VI
2280
	bool
2281

2282 2283 2284
#
# Extended interrupt mode is an R2 feature
#
2285
config CPU_MIPSR2_IRQ_EI
2286
	bool
2287

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305
#
# 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"
2321
	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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2329 2330 2331
config SYS_SUPPORTS_SMARTMIPS
	bool

2332 2333 2334
config SYS_SUPPORTS_MICROMIPS
	bool

2335 2336 2337 2338 2339 2340 2341
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

2345 2346
config ARCH_FLATMEM_ENABLE
	def_bool y
2347
	depends on !NUMA && !CPU_LOONGSON2
2348

2349 2350 2351 2352
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2353
	  Say Y to support efficient handling of discontiguous physical memory,
2354 2355 2356 2357
	  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.

2358 2359
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2361

2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374
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

2380 2381
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
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	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2383 2384 2385 2386 2387
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2388 2389
source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
2392 2393
	depends on SYS_SUPPORTS_SMP
	help
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	  This enables support for systems with more than one CPU. If you have
2395 2396
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
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2398
	  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,
2401
	  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.

2412 2413 2414
config SMP_UP
	bool

2415 2416 2417
config SYS_SUPPORTS_MIPS_CMP
	bool

2418 2419 2420
config SYS_SUPPORTS_MIPS_CPS
	bool

2421 2422 2423
config SYS_SUPPORTS_SMP
	bool

2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438
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
2443 2444 2445 2446 2447
	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
2452 2453
	  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
2456 2457 2458
	  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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2460 2461 2462
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2474
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533

	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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2538

2539
config KEXEC
2540
	bool "Kexec system call"
2541 2542 2543
	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
2544
	  but it is independent of the system firmware.   And like a reboot
2545 2546
	  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.
2548 2549 2550

	  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
2551 2552 2553
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
2554

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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).

2578 2579
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2580
	depends on PROC_FS
2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594
	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.

2595
config MIPS_O32_FP64_SUPPORT
2596
	bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608
	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.

2609 2610 2611 2612 2613 2614 2615 2616
	  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.
2617

2618
config USE_OF
2619
	bool
2620
	select OF
2621
	select OF_EARLY_FLATTREE
2622
	select IRQ_DOMAIN
2623

2624 2625 2626
config BUILTIN_DTB
	bool

2627 2628
endmenu

2629 2630 2631 2632 2633 2634 2635 2636
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2637 2638
source "init/Kconfig"

2639 2640
source "kernel/Kconfig.freezer"

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

2643 2644
config HW_HAS_EISA
	bool
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config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2651
	select PCI_DOMAINS
2652
	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.

2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669
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"

2675 2676
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"
2687
	depends on HW_HAS_EISA
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2688
	select ISA
2689
	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
2709 2710 2711 2712 2713 2714 2715 2716
	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  TURBOchannel programming specifications are available
	  at:
	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
	  and:
	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
	  Linux driver support status is documented at:
	  <http://www.linux-mips.org/wiki/DECstation>
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config MMU
	bool
	default y

2722 2723
config I8253
	bool
2724
	select CLKSRC_I8253
2725
	select CLKEVT_I8253
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2726
	select MIPS_EXTERNAL_TIMER
2727

2728 2729 2730
config ZONE_DMA
	bool

2731 2732 2733
config ZONE_DMA32
	bool

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source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2738
config RAPIDIO
2739
	tristate "RapidIO support"
2740 2741 2742 2743 2744 2745 2746 2747
	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
2758
	bool
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2759 2760 2761 2762

config COMPAT
	bool

2763 2764 2765
config SYSVIPC_COMPAT
	bool

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config MIPS32_O32
	bool "Kernel support for o32 binaries"
2768 2769 2770 2771 2772
	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"
2782
	depends on 64BIT
2783 2784 2785
	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

2798 2799 2800 2801
endmenu

menu "Power management options"

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config ARCH_HIBERNATION_POSSIBLE
	def_bool y
2804
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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2805

J
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config ARCH_SUSPEND_POSSIBLE
	def_bool y
2808
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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2809

2810
source "kernel/power/Kconfig"
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2811

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2812 2813
endmenu

2814 2815 2816 2817
config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
P
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2818 2819

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2820 2821
source "drivers/cpufreq/Kconfig"
endif
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2822

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2823 2824 2825 2826
source "drivers/cpuidle/Kconfig"

endmenu

2827 2828
source "net/Kconfig"

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2829 2830
source "drivers/Kconfig"

2831 2832
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"
2842 2843

source "arch/mips/kvm/Kconfig"