Kconfig 80.3 KB
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# SPDX-License-Identifier: GPL-2.0
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config MIPS
	bool
	default y
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	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
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	select ARCH_CLOCKSOURCE_DATA
	select ARCH_DISCARD_MEMBLOCK
	select ARCH_HAS_ELF_RANDOMIZE
	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
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	select ARCH_HAS_UBSAN_SANITIZE_ALL
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	select ARCH_SUPPORTS_UPROBES
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	select ARCH_USE_BUILTIN_BSWAP
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	select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
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	select ARCH_USE_QUEUED_RWLOCKS
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	select ARCH_USE_QUEUED_SPINLOCKS
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	select ARCH_WANT_IPC_PARSE_VERSION
	select BUILDTIME_EXTABLE_SORT
	select CLONE_BACKWARDS
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	select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
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	select CPU_PM if CPU_IDLE
	select GENERIC_ATOMIC64 if !64BIT
	select GENERIC_CLOCKEVENTS
	select GENERIC_CMOS_UPDATE
	select GENERIC_CPU_AUTOPROBE
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	select GENERIC_IOMAP
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	select GENERIC_IRQ_PROBE
	select GENERIC_IRQ_SHOW
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	select GENERIC_ISA_DMA if EISA
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	select GENERIC_LIB_ASHLDI3
	select GENERIC_LIB_ASHRDI3
	select GENERIC_LIB_CMPDI2
	select GENERIC_LIB_LSHRDI3
	select GENERIC_LIB_UCMPDI2
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	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
	select GENERIC_SMP_IDLE_THREAD
	select GENERIC_TIME_VSYSCALL
	select HANDLE_DOMAIN_IRQ
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	select HAVE_ARCH_COMPILER_H
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	select HAVE_ARCH_JUMP_LABEL
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	select HAVE_ARCH_KGDB
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	select HAVE_ARCH_MMAP_RND_BITS if MMU
	select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
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	select HAVE_ARCH_SECCOMP_FILTER
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	select HAVE_ARCH_TRACEHOOK
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	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
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	select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
	select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
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	select HAVE_CONTEXT_TRACKING
	select HAVE_COPY_THREAD_TLS
	select HAVE_C_RECORDMCOUNT
	select HAVE_DEBUG_KMEMLEAK
	select HAVE_DEBUG_STACKOVERFLOW
	select HAVE_DMA_CONTIGUOUS
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	select HAVE_DYNAMIC_FTRACE
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	select HAVE_EXIT_THREAD
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	select HAVE_FTRACE_MCOUNT_RECORD
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	select HAVE_FUNCTION_GRAPH_TRACER
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	select HAVE_FUNCTION_TRACER
	select HAVE_GENERIC_DMA_COHERENT
	select HAVE_IDE
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	select HAVE_IOREMAP_PROT
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	select HAVE_IRQ_EXIT_ON_IRQ_STACK
	select HAVE_IRQ_TIME_ACCOUNTING
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	select HAVE_KPROBES
	select HAVE_KRETPROBES
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	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
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	select HAVE_MEMBLOCK_NODE_MAP
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	select HAVE_MOD_ARCH_SPECIFIC
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	select HAVE_NMI
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	select HAVE_OPROFILE
	select HAVE_PERF_EVENTS
	select HAVE_REGS_AND_STACK_ACCESS_API
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	select HAVE_RSEQ
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	select HAVE_STACKPROTECTOR
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	select HAVE_SYSCALL_TRACEPOINTS
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	select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
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	select IRQ_FORCED_THREADING
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	select ISA if EISA
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	select MODULES_USE_ELF_RELA if MODULES && 64BIT
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	select MODULES_USE_ELF_REL if MODULES
	select PERF_USE_VMALLOC
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	select RTC_LIB
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	select SYSCTL_EXCEPTION_TRACE
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	select VIRT_TO_BUS
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menu "Machine selection"

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choice
	prompt "System type"
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	default MIPS_GENERIC
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config MIPS_GENERIC
	bool "Generic board-agnostic MIPS kernel"
	select BOOT_RAW
	select BUILTIN_DTB
	select CEVT_R4K
	select CLKSRC_MIPS_GIC
	select COMMON_CLK
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select CSRC_R4K
	select DMA_PERDEV_COHERENT
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	select HAVE_PCI
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	select IRQ_MIPS_CPU
	select LIBFDT
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	select MIPS_AUTO_PFN_OFFSET
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	select MIPS_CPU_SCACHE
	select MIPS_GIC
	select MIPS_L1_CACHE_SHIFT_7
	select NO_EXCEPT_FILL
	select PCI_DRIVERS_GENERIC
	select PINCTRL
	select SMP_UP if SMP
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS32_R6
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_CPU_MIPS64_R2
	select SYS_HAS_CPU_MIPS64_R6
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_MICROMIPS
	select SYS_SUPPORTS_MIPS_CPS
	select SYS_SUPPORTS_MIPS16
	select SYS_SUPPORTS_MULTITHREADING
	select SYS_SUPPORTS_RELOCATABLE
	select SYS_SUPPORTS_SMARTMIPS
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	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
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	select USE_OF
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	select UHI_BOOT
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	help
	  Select this to build a kernel which aims to support multiple boards,
	  generally using a flattened device tree passed from the bootloader
	  using the boot protocol defined in the UHI (Unified Hosting
	  Interface) specification.

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config MIPS_ALCHEMY
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	bool "Alchemy processor based machines"
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	select PHYS_ADDR_T_64BIT
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	select CEVT_R4K
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	select CSRC_R4K
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	select IRQ_MIPS_CPU
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	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
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	select GPIOLIB
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	select SYS_SUPPORTS_ZBOOT
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	select COMMON_CLK
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config AR7
	bool "Texas Instruments AR7"
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select CEVT_R4K
	select CSRC_R4K
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	select IRQ_MIPS_CPU
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	select NO_EXCEPT_FILL
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select GPIOLIB
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	select VLYNQ
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	select HAVE_CLK
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	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

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

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config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
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	select ARCH_HAS_RESET_CONTROLLER
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	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
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	select GPIOLIB
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	select PINCTRL
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	select HAVE_CLK
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	select COMMON_CLK
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	select CLKDEV_LOOKUP
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	select IRQ_MIPS_CPU
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	select MIPS_MACHINE
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	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_ZBOOT_UART_PROM
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	select USE_OF
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	select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
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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 ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
	select ARCH_HAS_PHYS_TO_DMA
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	select BOOT_RAW
	select NO_EXCEPT_FILL
	select USE_OF
	select CEVT_R4K
	select CSRC_R4K
	select SYNC_R4K
	select COMMON_CLK
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	select BCM6345_L1_IRQ
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	select BCM7038_L1_IRQ
	select BCM7120_L2_IRQ
	select BRCMSTB_L2_IRQ
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	select IRQ_MIPS_CPU
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	select DMA_NONCOHERENT
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
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	select SYS_HAS_CPU_BMIPS32_3300
	select SYS_HAS_CPU_BMIPS4350
	select SYS_HAS_CPU_BMIPS4380
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	select SYS_HAS_CPU_BMIPS5000
	select SWAP_IO_SPACE
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	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
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	select HARDIRQS_SW_RESEND
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	help
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	  Build a generic DT-based kernel image that boots on select
	  BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
	  box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
	  must be set appropriately for your board.
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config BCM47XX
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	bool "Broadcom BCM47XX based boards"
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	select BOOT_RAW
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	select CEVT_R4K
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	select CSRC_R4K
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	select DMA_NONCOHERENT
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	select HAVE_PCI
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	select IRQ_MIPS_CPU
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	select SYS_HAS_CPU_MIPS32_R1
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	select NO_EXCEPT_FILL
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_ZBOOT
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	select SYS_HAS_EARLY_PRINTK
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	select USE_GENERIC_EARLY_PRINTK_8250
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	select GPIOLIB
	select LEDS_GPIO_REGISTER
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	select BCM47XX_NVRAM
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	select BCM47XX_SPROM
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	select BCM47XX_SSB if !BCM47XX_BCMA
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	help
	 Support for BCM47XX based boards

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config BCM63XX
	bool "Broadcom BCM63XX based boards"
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	select BOOT_RAW
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	select CEVT_R4K
	select CSRC_R4K
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	select SYNC_R4K
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	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
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	select GPIOLIB
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	select HAVE_CLK
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	select MIPS_L1_CACHE_SHIFT_4
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	select CLKDEV_LOOKUP
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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
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	select FORCE_PCI
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	select I8253
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	select I8259
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	select IRQ_MIPS_CPU
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	select IRQ_GT641XX
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	select PCI_GT64XXX_PCI0
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	select SYS_HAS_CPU_NEVADA
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select USE_GENERIC_EARLY_PRINTK_8250
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config MACH_DECSTATION
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	bool "DECstations"
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	select BOOT_ELF32
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	select CEVT_DS1287
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	select CEVT_R4K if CPU_R4X00
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	select CSRC_IOASIC
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	select CSRC_R4K if CPU_R4X00
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	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
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	select DMA_NONCOHERENT
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	select NO_IOPORT_MAP
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	select IRQ_MIPS_CPU
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	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
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	select MIPS_L1_CACHE_SHIFT_4
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	help
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	  This enables support for DEC's MIPS based workstations.  For details
	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
	  DECstation porting pages on <http://decstation.unix-ag.org/>.

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

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

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config MACH_JAZZ
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	bool "Jazz family of machines"
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	select ARCH_MIGHT_HAVE_PC_PARPORT
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	select ARCH_MIGHT_HAVE_PC_SERIO
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	select FW_ARC
	select FW_ARC32
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	select ARCH_MAY_HAVE_PC_FDC
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	select CEVT_R4K
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	select CSRC_R4K
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	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
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	select GENERIC_ISA_DMA
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	select HAVE_PCSPKR_PLATFORM
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	select IRQ_MIPS_CPU
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	select I8253
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	select I8259
	select ISA
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	select SYS_HAS_CPU_R4X00
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_100HZ
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	help
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	 This a family of machines based on the MIPS R4030 chipset which was
	 used by several vendors to build RISC/os and Windows NT workstations.
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	 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
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	 Olivetti M700-10 workstations.

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config MACH_INGENIC
	bool "Ingenic SoC based machines"
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select PINCTRL
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	select GPIOLIB
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	select COMMON_CLK
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	select GENERIC_IRQ_CHIP
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	select BUILTIN_DTB
	select USE_OF
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	select LIBFDT
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config LANTIQ
	bool "Lantiq based platforms"
	select DMA_NONCOHERENT
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	select IRQ_MIPS_CPU
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	select CEVT_R4K
	select CSRC_R4K
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_MULTITHREADING
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	select SYS_SUPPORTS_VPE_LOADER
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	select SYS_HAS_EARLY_PRINTK
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	select GPIOLIB
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	select SWAP_IO_SPACE
	select BOOT_RAW
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	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
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	select HAVE_PCI
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	select IRQ_MIPS_CPU
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	select PCI_GT64XXX_PCI0
	select MIPS_NILE4
	select R5000_CPU_SCACHE
	select SYS_HAS_CPU_R5000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
	select SYS_SUPPORTS_LITTLE_ENDIAN

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config MACH_LOONGSON32
	bool "Loongson-1 family of machines"
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	select SYS_SUPPORTS_ZBOOT
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	help
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	  This enables support for the Loongson-1 family of machines.
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	  Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
	  the Institute of Computing Technology (ICT), Chinese Academy of
	  Sciences (CAS).
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config MACH_LOONGSON64
	bool "Loongson-2/3 family of machines"
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	select SYS_SUPPORTS_ZBOOT
	help
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	  This enables the support of Loongson-2/3 family of machines.
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	  Loongson-2 is a family of single-core CPUs and Loongson-3 is a
	  family of multi-core CPUs. They are both 64-bit general-purpose
	  MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
	  in the People's Republic of China. The chief architect is Professor
	  Weiwu Hu.
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config MACH_PISTACHIO
	bool "IMG Pistachio SoC based boards"
	select BOOT_ELF32
	select BOOT_RAW
	select CEVT_R4K
	select CLKSRC_MIPS_GIC
	select COMMON_CLK
	select CSRC_R4K
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	select DMA_NONCOHERENT
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	select GPIOLIB
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	select IRQ_MIPS_CPU
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	select LIBFDT
	select MFD_SYSCON
	select MIPS_CPU_SCACHE
	select MIPS_GIC
	select PINCTRL
	select REGULATOR
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_MIPS_CPS
	select SYS_SUPPORTS_MULTITHREADING
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	select SYS_SUPPORTS_RELOCATABLE
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	select SYS_SUPPORTS_ZBOOT
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	select SYS_HAS_EARLY_PRINTK
	select USE_GENERIC_EARLY_PRINTK_8250
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	select USE_OF
	help
	  This enables support for the IMG Pistachio SoC platform.

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config MIPS_MALTA
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	bool "MIPS Malta board"
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	select ARCH_MAY_HAVE_PC_FDC
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	select ARCH_MIGHT_HAVE_PC_PARPORT
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	select ARCH_MIGHT_HAVE_PC_SERIO
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	select BOOT_ELF32
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	select BOOT_RAW
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	select BUILTIN_DTB
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	select CEVT_R4K
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	select CLKSRC_MIPS_GIC
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	select COMMON_CLK
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	select CSRC_R4K
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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 HAVE_PCI
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	select I8253
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	select I8259
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	select IRQ_MIPS_CPU
	select LIBFDT
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	select MIPS_BONITO64
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	select MIPS_CPU_SCACHE
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	select MIPS_GIC
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	select MIPS_L1_CACHE_SHIFT_6
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	select MIPS_MSC
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	select PCI_GT64XXX_PCI0
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	select SMP_UP if SMP
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
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	select SYS_HAS_CPU_MIPS32_R3_5
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	select SYS_HAS_CPU_MIPS32_R5
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	select SYS_HAS_CPU_MIPS32_R6
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	select SYS_HAS_CPU_MIPS64_R1
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	select SYS_HAS_CPU_MIPS64_R2
527
	select SYS_HAS_CPU_MIPS64_R6
528 529
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
530 531
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
532
	select SYS_SUPPORTS_BIG_ENDIAN
S
Steven J. Hill 已提交
533
	select SYS_SUPPORTS_HIGHMEM
534
	select SYS_SUPPORTS_LITTLE_ENDIAN
535
	select SYS_SUPPORTS_MICROMIPS
536
	select SYS_SUPPORTS_MIPS16
T
Tim Anderson 已提交
537
	select SYS_SUPPORTS_MIPS_CMP
538
	select SYS_SUPPORTS_MIPS_CPS
539
	select SYS_SUPPORTS_MULTITHREADING
540
	select SYS_SUPPORTS_RELOCATABLE
541
	select SYS_SUPPORTS_SMARTMIPS
542
	select SYS_SUPPORTS_VPE_LOADER
543
	select SYS_SUPPORTS_ZBOOT
P
Paul Burton 已提交
544
	select USE_OF
545
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
546
	help
547
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
548 549
	  board.

550 551 552 553 554 555 556 557
config MACH_PIC32
	bool "Microchip PIC32 Family"
	help
	  This enables support for the Microchip PIC32 family of platforms.

	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
	  microcontrollers.

558 559 560
config NEC_MARKEINS
	bool "NEC EMMA2RH Mark-eins board"
	select SOC_EMMA2RH
561
	select HAVE_PCI
562 563
	help
	  This enables support for the NEC Electronics Mark-eins boards.
564

565
config MACH_VR41XX
566
	bool "NEC VR4100 series based machines"
567
	select CEVT_R4K
568
	select CSRC_R4K
569
	select SYS_HAS_CPU_VR41XX
570
	select SYS_SUPPORTS_MIPS16
571
	select GPIOLIB
572

573 574 575 576 577 578 579 580 581 582 583 584 585
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.

M
Marc St-Jean 已提交
586 587
config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
588 589
	select CEVT_R4K
	select CSRC_R4K
M
Marc St-Jean 已提交
590 591 592 593 594 595 596 597
	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
598
	select SYS_SUPPORTS_MIPS16
599
	select IRQ_MIPS_CPU
M
Marc St-Jean 已提交
600 601
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
602 603
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
M
Marc St-Jean 已提交
604 605 606 607 608 609
	help
	  This adds support for the PMC-Sierra family of Multi-Service
	  Processor System-On-A-Chips.  These parts include a number
	  of integrated peripherals, interfaces and DSPs in addition to
	  a variety of MIPS cores.

J
John Crispin 已提交
610 611 612 613 614 615
config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
616
	select IRQ_MIPS_CPU
J
John Crispin 已提交
617 618 619 620 621
	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
622
	select SYS_SUPPORTS_MIPS16
J
John Crispin 已提交
623 624
	select SYS_HAS_EARLY_PRINTK
	select CLKDEV_LOOKUP
625 626
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
J
John Crispin 已提交
627

L
Linus Torvalds 已提交
628
config SGI_IP22
629
	bool "SGI IP22 (Indy/Indigo2)"
630 631
	select FW_ARC
	select FW_ARC32
632
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
633
	select BOOT_ELF32
634
	select CEVT_R4K
635
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
636
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
637
	select DMA_NONCOHERENT
638
	select HAVE_EISA
639
	select I8253
640
	select I8259
L
Linus Torvalds 已提交
641
	select IP22_CPU_SCACHE
642
	select IRQ_MIPS_CPU
643
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
644 645
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
646
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
647 648 649
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
650
	select SWAP_IO_SPACE
651 652
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
653 654 655 656 657 658 659 660
	#
	# 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
661 662
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
663
	select SYS_SUPPORTS_BIG_ENDIAN
664
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
665 666 667 668 669 670
	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
671
	bool "SGI IP27 (Origin200/2000)"
672
	select ARCH_HAS_PHYS_TO_DMA
673 674
	select FW_ARC
	select FW_ARC64
675
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
676
	select DEFAULT_SGI_PARTITION
677
	select SYS_HAS_EARLY_PRINTK
678
	select HAVE_PCI
679
	select NR_CPUS_DEFAULT_64
680
	select SYS_HAS_CPU_R10000
681
	select SYS_SUPPORTS_64BIT_KERNEL
682
	select SYS_SUPPORTS_BIG_ENDIAN
683
	select SYS_SUPPORTS_NUMA
684
	select SYS_SUPPORTS_SMP
685
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
686 687 688 689 690
	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
691
config SGI_IP28
692
	bool "SGI IP28 (Indigo2 R10k)"
693 694
	select FW_ARC
	select FW_ARC64
695
	select ARCH_MIGHT_HAVE_PC_SERIO
T
Thomas Bogendoerfer 已提交
696 697 698 699 700 701
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
702
	select IRQ_MIPS_CPU
703
	select HAVE_EISA
T
Thomas Bogendoerfer 已提交
704 705 706 707
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
708
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
709 710 711 712 713
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
714 715 716 717 718 719 720 721
	#
	# 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
722 723
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
724
	select MIPS_L1_CACHE_SHIFT_7
T
Thomas Bogendoerfer 已提交
725 726 727 728
      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
729
config SGI_IP32
730
	bool "SGI IP32 (O2)"
731
	select ARCH_HAS_PHYS_TO_DMA
732 733
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
734
	select BOOT_ELF32
735
	select CEVT_R4K
736
	select CSRC_R4K
L
Linus Torvalds 已提交
737
	select DMA_NONCOHERENT
738
	select HAVE_PCI
739
	select IRQ_MIPS_CPU
L
Linus Torvalds 已提交
740 741
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
742 743 744
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
745
	select SYS_HAS_CPU_NEVADA
746
	select SYS_SUPPORTS_64BIT_KERNEL
747 748
	select SYS_SUPPORTS_BIG_ENDIAN
	help
749
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
750

751 752
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
753
	select BOOT_ELF32
754
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
755
	select SWAP_IO_SPACE
756
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
757 758 759
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

760 761
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
762
	select BOOT_ELF32
763
	select SIBYTE_BCM1120
764
	select SWAP_IO_SPACE
765
	select SYS_HAS_CPU_SB1
766
	select SYS_SUPPORTS_BIG_ENDIAN
767
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
768

769 770
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
771
	select BOOT_ELF32
772
	select SIBYTE_BCM1125
773
	select SWAP_IO_SPACE
774
	select SYS_HAS_CPU_SB1
775
	select SYS_SUPPORTS_BIG_ENDIAN
776
	select SYS_SUPPORTS_HIGHMEM
777
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
778

779
config SIBYTE_RHONE
780
	bool "Sibyte BCM91125E-Rhone"
781 782 783
	select BOOT_ELF32
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
784
	select SYS_HAS_CPU_SB1
785 786
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
787

788 789
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
790
	select BOOT_ELF32
791
	select HAVE_PATA_PLATFORM
792
	select SIBYTE_SB1250
793
	select SWAP_IO_SPACE
794
	select SYS_HAS_CPU_SB1
795
	select SYS_SUPPORTS_BIG_ENDIAN
796
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
797
	select SYS_SUPPORTS_LITTLE_ENDIAN
798
	select ZONE_DMA32 if 64BIT
799
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
P
Pete Popov 已提交
800

801 802
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
803
	select BOOT_ELF32
804
	select HAVE_PATA_PLATFORM
805 806
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
807
	select SYS_HAS_CPU_SB1
808 809 810
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
811
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
812

813 814
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
815 816 817
	select BOOT_ELF32
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
818
	select SYS_HAS_CPU_SB1
819 820
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
821
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
L
Linus Torvalds 已提交
822

823 824
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
825
	select BOOT_ELF32
826 827
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
828
	select SWAP_IO_SPACE
829
	select SYS_HAS_CPU_SB1
830
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
831
	select SYS_SUPPORTS_HIGHMEM
832
	select SYS_SUPPORTS_LITTLE_ENDIAN
833
	select ZONE_DMA32 if 64BIT
834
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
L
Linus Torvalds 已提交
835

836 837
config SNI_RM
	bool "SNI RM200/300/400"
838 839
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
840
	select FW_SNIPROM if CPU_BIG_ENDIAN
841
	select ARCH_MAY_HAVE_PC_FDC
842
	select ARCH_MIGHT_HAVE_PC_PARPORT
843
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
844
	select BOOT_ELF32
845
	select CEVT_R4K
846
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
847
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
848 849
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
850
	select HAVE_EISA
851
	select HAVE_PCSPKR_PLATFORM
852
	select HAVE_PCI
853
	select IRQ_MIPS_CPU
854
	select I8253
L
Linus Torvalds 已提交
855 856
	select I8259
	select ISA
857
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
858
	select SYS_HAS_CPU_R4X00
859
	select SYS_HAS_CPU_R5000
860
	select SYS_HAS_CPU_R10000
861
	select R5000_CPU_SCACHE
862
	select SYS_HAS_EARLY_PRINTK
863
	select SYS_SUPPORTS_32BIT_KERNEL
864
	select SYS_SUPPORTS_64BIT_KERNEL
865
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
866
	select SYS_SUPPORTS_HIGHMEM
867
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
868
	help
869 870
	  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
871 872 873
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

874 875
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
876

877 878
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
879

880 881 882 883 884
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
885
	select HAVE_PCI
886
	select IRQ_MIPS_CPU
887 888 889 890 891
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
892
	select GPIOLIB
893
	select MIPS_L1_CACHE_SHIFT_4
894 895 896 897
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

898 899
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
900
	select CEVT_R4K
901
	select ARCH_HAS_PHYS_TO_DMA
902
	select HAVE_RAPIDIO
903
	select PHYS_ADDR_T_64BIT
904 905
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
906
	select EDAC_SUPPORT
907
	select EDAC_ATOMIC_SCRUB
908 909
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
910
	select SYS_HAS_EARLY_PRINTK
911
	select SYS_HAS_CPU_CAVIUM_OCTEON
912
	select HAVE_PCI
D
David Daney 已提交
913
	select ZONE_DMA32
914
	select HOLES_IN_ZONE
915
	select GPIOLIB
916 917 918 919
	select LIBFDT
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
920 921
	select NR_CPUS_DEFAULT_64
	select MIPS_NR_CPU_NR_MAP_1024
922
	select BUILTIN_DTB
923
	select MTD_COMPLEX_MAPPINGS
924
	select SWIOTLB
S
Steven J. Hill 已提交
925
	select SYS_SUPPORTS_RELOCATABLE
926 927 928 929 930 931 932 933 934 935 936 937 938
	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.

939 940 941 942 943 944
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
945
	select HAVE_PCI
946 947 948
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
949
	select PHYS_ADDR_T_64BIT
950 951 952 953 954
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
955
	select IRQ_MIPS_CPU
956
	select ZONE_DMA32 if 64BIT
957 958
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
959 960
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
961 962 963 964
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

965 966 967 968 969 970
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
971
	select HAVE_PCI
972 973
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
974
	select PHYS_ADDR_T_64BIT
975
	select GPIOLIB
976 977 978 979 980 981
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
982
	select IRQ_MIPS_CPU
983
	select ZONE_DMA32 if 64BIT
984 985
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
986
	select USE_OF
987 988
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
989 990 991 992
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
config MIPS_PARAVIRT
	bool "Para-Virtualized guest system"
	select CEVT_R4K
	select CSRC_R4K
	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
1006
	select HAVE_PCI
1007 1008 1009 1010
	select SWAP_IO_SPACE
	help
	  This option supports guest running under ????

1011
endchoice
L
Linus Torvalds 已提交
1012

R
Ralf Baechle 已提交
1013
source "arch/mips/alchemy/Kconfig"
1014
source "arch/mips/ath25/Kconfig"
1015
source "arch/mips/ath79/Kconfig"
1016
source "arch/mips/bcm47xx/Kconfig"
1017
source "arch/mips/bcm63xx/Kconfig"
1018
source "arch/mips/bmips/Kconfig"
1019
source "arch/mips/generic/Kconfig"
1020
source "arch/mips/jazz/Kconfig"
1021
source "arch/mips/jz4740/Kconfig"
1022
source "arch/mips/lantiq/Kconfig"
1023
source "arch/mips/lasat/Kconfig"
1024
source "arch/mips/pic32/Kconfig"
1025
source "arch/mips/pistachio/Kconfig"
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1026
source "arch/mips/pmcs-msp71xx/Kconfig"
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source "arch/mips/ralink/Kconfig"
1028
source "arch/mips/sgi-ip27/Kconfig"
1029
source "arch/mips/sibyte/Kconfig"
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1030
source "arch/mips/txx9/Kconfig"
1031
source "arch/mips/vr41xx/Kconfig"
1032
source "arch/mips/cavium-octeon/Kconfig"
1033 1034
source "arch/mips/loongson32/Kconfig"
source "arch/mips/loongson64/Kconfig"
1035
source "arch/mips/netlogic/Kconfig"
1036
source "arch/mips/paravirt/Kconfig"
1037

1038 1039
endmenu

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config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

1047 1048 1049 1050
config GENERIC_HWEIGHT
	bool
	default y

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config GENERIC_CALIBRATE_DELAY
	bool
	default y

1055
config SCHED_OMIT_FRAME_POINTER
1056 1057 1058
	bool
	default y

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#
# Select some configuration options automatically based on user selections.
#
1062
config FW_ARC
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	bool

1065 1066 1067
config ARCH_MAY_HAVE_PC_FDC
	bool

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config BOOT_RAW
	bool

1071 1072 1073
config CEVT_BCM1480
	bool

1074 1075 1076
config CEVT_DS1287
	bool

1077 1078 1079
config CEVT_GT641XX
	bool

1080 1081 1082
config CEVT_R4K
	bool

1083 1084 1085
config CEVT_SB1250
	bool

1086 1087 1088
config CEVT_TXX9
	bool

1089 1090 1091
config CSRC_BCM1480
	bool

1092 1093 1094
config CSRC_IOASIC
	bool

1095 1096 1097
config CSRC_R4K
	bool

1098 1099 1100
config CSRC_SB1250
	bool

1101 1102 1103
config MIPS_CLOCK_VSYSCALL
	def_bool CSRC_R4K || CLKSRC_MIPS_GIC

1104
config GPIO_TXX9
1105
	select GPIOLIB
1106 1107
	bool

1108
config FW_CFE
1109 1110
	bool

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config ARCH_SUPPORTS_UPROBES
	bool

1114
config DMA_MAYBE_COHERENT
1115
	select ARCH_HAS_DMA_COHERENCE_H
1116 1117 1118
	select DMA_NONCOHERENT
	bool

1119 1120
config DMA_PERDEV_COHERENT
	bool
1121
	select DMA_NONCOHERENT
1122

1123 1124
config DMA_NONCOHERENT
	bool
1125
	select ARCH_HAS_DMA_MMAP_PGPROT
1126 1127
	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
	select ARCH_HAS_SYNC_DMA_FOR_CPU
1128
	select NEED_DMA_MAP_STATE
1129
	select ARCH_HAS_DMA_COHERENT_TO_PFN
1130
	select DMA_NONCOHERENT_CACHE_SYNC
1131

1132
config SYS_HAS_EARLY_PRINTK
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	bool

1135
config SYS_SUPPORTS_HOTPLUG_CPU
1136 1137
	bool

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config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1144 1145 1146
config MIPS_NILE4
	bool

1147 1148 1149
config SYNC_R4K
	bool

1150 1151 1152
config MIPS_MACHINE
	def_bool n

1153
config NO_IOPORT_MAP
1154 1155
	def_bool n

1156 1157
config GENERIC_CSUM
	bool
1158
	default y if !CPU_HAS_LOAD_STORE_LR
1159

1160 1161 1162
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1163
	select ISA_DMA_API
1164

1165 1166
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1167
	select GENERIC_ISA_DMA
1168

1169 1170 1171
config ISA_DMA_API
	bool

1172 1173 1174
config HOLES_IN_ZONE
	bool

1175 1176 1177 1178 1179 1180 1181
config SYS_SUPPORTS_RELOCATABLE
	bool
	help
	 Selected if the platform supports relocating the kernel.
	 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
	 to allow access to command line and entropy sources.

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config MIPS_CBPF_JIT
	def_bool y
	depends on BPF_JIT && HAVE_CBPF_JIT

config MIPS_EBPF_JIT
	def_bool y
	depends on BPF_JIT && HAVE_EBPF_JIT


1191
#
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# Endianness selection.  Sufficiently obscure so many users don't know what to
1193 1194 1195 1196
# answer,so we try hard to limit the available choices.  Also the use of a
# choice statement should be more obvious to the user.
#
choice
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	prompt "Endianness selection"
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	help
	  Some MIPS machines can be configured for either little or big endian
1200
	  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
1202
	  particular system but some systems are just as commonly used in the
1203
	  one or the other endianness.
1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214

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

1215 1216 1217
config EXPORT_UASM
	bool

1218 1219 1220
config SYS_SUPPORTS_APM_EMULATION
	bool

1221 1222 1223 1224 1225
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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1227 1228 1229 1230 1231
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1232 1233 1234
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

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config IRQ_CPU_RM7K
	bool

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1238 1239 1240 1241 1242 1243
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1244 1245 1246
config IRQ_TXX9
	bool

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config IRQ_GT641XX
	bool

1250
config PCI_GT64XXX_PCI0
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	bool

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1253 1254 1255
config NO_EXCEPT_FILL
	bool

1256 1257 1258 1259 1260
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
1261
	select IRQ_MIPS_CPU
1262 1263 1264 1265 1266 1267
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1268 1269 1270 1271
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
1272
	select IRQ_MIPS_CPU
1273 1274 1275 1276 1277
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
1278
	select SYS_SUPPORTS_MIPS16
1279 1280 1281 1282 1283 1284
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1285 1286 1287
config MIPS_SPRAM
	bool

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config SWAP_IO_SPACE
	bool

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1291 1292 1293
config SGI_HAS_INDYDOG
	bool

1294 1295 1296
config SGI_HAS_HAL2
	bool

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1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311
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

1312
config FW_ARC32
1313 1314
	bool

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1315
config FW_SNIPROM
1316 1317
	bool

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1318 1319 1320
config BOOT_ELF32
	bool

1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332
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
1335
	default "7" if MIPS_L1_CACHE_SHIFT_7
1336 1337 1338
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "4" if MIPS_L1_CACHE_SHIFT_4
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	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
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1346
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
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1347 1348 1349

config ARC_MEMORY
	bool
1350
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
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1351 1352 1353 1354
	default y

config ARC_PROMLIB
	bool
T
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1355
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
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1356 1357
	default y

1358
config FW_ARC64
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1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1370 1371 1372
config CPU_LOONGSON3
	bool "Loongson 3 CPU"
	depends on SYS_HAS_CPU_LOONGSON3
1373
	select ARCH_HAS_PHYS_TO_DMA
1374 1375 1376
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
1377
	select CPU_HAS_LOAD_STORE_LR
1378 1379
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
1380
	select MIPS_PGD_C0_CONTEXT
1381
	select MIPS_L1_CACHE_SHIFT_6
1382
	select GPIOLIB
1383
	select SWIOTLB
1384 1385 1386 1387
	help
		The Loongson 3 processor implements the MIPS64R2 instruction
		set with many extensions.

1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405
config LOONGSON3_ENHANCEMENT
	bool "New Loongson 3 CPU Enhancements"
	default n
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	depends on CPU_LOONGSON3
	help
	  New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
	  Fast TLB refill support, etc.

	  This option enable those enhancements which are not probed at run
	  time. If you want a generic kernel to run on all Loongson 3 machines,
	  please say 'N' here. If you want a high-performance kernel to run on
	  new Loongson 3 machines only, please say 'Y' here.

1406 1407 1408 1409
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1410 1411 1412 1413
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
Lucas De Marchi 已提交
1414
	  It has an internal FPGA northbridge, which is compatible to
1415 1416 1417 1418 1419 1420
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1421
	select GPIOLIB
1422 1423 1424 1425 1426 1427 1428 1429
	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.

1430 1431 1432 1433
config CPU_LOONGSON1B
	bool "Loongson 1B"
	depends on SYS_HAS_CPU_LOONGSON1B
	select CPU_LOONGSON1
1434
	select LEDS_GPIO_REGISTER
1435 1436
	help
	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1437 1438
	  Release 1 instruction set and part of the MIPS32 Release 2
	  instruction set.
1439

Y
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1440 1441 1442 1443 1444 1445 1446
config CPU_LOONGSON1C
	bool "Loongson 1C"
	depends on SYS_HAS_CPU_LOONGSON1C
	select CPU_LOONGSON1
	select LEDS_GPIO_REGISTER
	help
	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1447 1448
	  Release 1 instruction set and part of the MIPS32 Release 2
	  instruction set.
Y
Yang Ling 已提交
1449

1450 1451
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1452
	depends on SYS_HAS_CPU_MIPS32_R1
1453
	select CPU_HAS_PREFETCH
1454
	select CPU_HAS_LOAD_STORE_LR
R
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1455
	select CPU_SUPPORTS_32BIT_KERNEL
1456
	select CPU_SUPPORTS_HIGHMEM
R
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1457
	help
1458
	  Choose this option to build a kernel for release 1 or later of the
R
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1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
	  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"
1470
	depends on SYS_HAS_CPU_MIPS32_R2
R
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1471
	select CPU_HAS_PREFETCH
1472
	select CPU_HAS_LOAD_STORE_LR
R
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1473
	select CPU_SUPPORTS_32BIT_KERNEL
1474
	select CPU_SUPPORTS_HIGHMEM
P
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1475
	select CPU_SUPPORTS_MSA
1476
	select HAVE_KVM
1477
	help
1478
	  Choose this option to build a kernel for release 2 or later of the
1479 1480 1481 1482 1483
	  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.

1484
config CPU_MIPS32_R6
1485
	bool "MIPS32 Release 6"
1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
	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.

1499 1500
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1501
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1502
	select CPU_HAS_PREFETCH
1503
	select CPU_HAS_LOAD_STORE_LR
1504 1505
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1506
	select CPU_SUPPORTS_HIGHMEM
1507
	select CPU_SUPPORTS_HUGEPAGES
1508 1509 1510 1511 1512 1513
	help
	  Choose this option to build a kernel for release 1 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
R
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1514 1515 1516 1517 1518 1519 1520
	  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"
1521
	depends on SYS_HAS_CPU_MIPS64_R2
R
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1522
	select CPU_HAS_PREFETCH
1523
	select CPU_HAS_LOAD_STORE_LR
R
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1524 1525
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1526
	select CPU_SUPPORTS_HIGHMEM
1527
	select CPU_SUPPORTS_HUGEPAGES
P
Paul Burton 已提交
1528
	select CPU_SUPPORTS_MSA
1529
	select HAVE_KVM
R
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1530 1531 1532 1533 1534 1535
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
L
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1536

1537
config CPU_MIPS64_R6
1538
	bool "MIPS64 Release 6"
1539 1540 1541 1542 1543 1544
	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
1545
	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1546
	select HAVE_KVM
1547 1548 1549 1550 1551 1552
	help
	  Choose this option to build a kernel for release 6 or later of the
	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS64r6 processor. If you own an older
	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.

L
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1553 1554
config CPU_R3000
	bool "R3000"
1555
	depends on SYS_HAS_CPU_R3000
1556
	select CPU_HAS_WB
1557
	select CPU_HAS_LOAD_STORE_LR
1558
	select CPU_SUPPORTS_32BIT_KERNEL
R
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1559
	select CPU_SUPPORTS_HIGHMEM
L
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1560 1561 1562 1563 1564 1565 1566 1567 1568 1569
	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"
1570
	depends on SYS_HAS_CPU_TX39XX
1571
	select CPU_SUPPORTS_32BIT_KERNEL
1572
	select CPU_HAS_LOAD_STORE_LR
L
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1573 1574 1575

config CPU_VR41XX
	bool "R41xx"
1576
	depends on SYS_HAS_CPU_VR41XX
1577 1578
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1579
	select CPU_HAS_LOAD_STORE_LR
L
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1580
	help
1581
	  The options selects support for the NEC VR4100 series of processors.
L
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1582 1583 1584 1585 1586 1587
	  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"
1588
	depends on SYS_HAS_CPU_R4300
1589 1590
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1591
	select CPU_HAS_LOAD_STORE_LR
L
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1592 1593 1594 1595 1596
	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1597
	depends on SYS_HAS_CPU_R4X00
1598 1599
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1600
	select CPU_SUPPORTS_HUGEPAGES
1601
	select CPU_HAS_LOAD_STORE_LR
L
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1602 1603 1604 1605 1606 1607
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1608
	depends on SYS_HAS_CPU_TX49XX
A
Atsushi Nemoto 已提交
1609
	select CPU_HAS_PREFETCH
1610
	select CPU_HAS_LOAD_STORE_LR
1611 1612
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1613
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1614 1615 1616

config CPU_R5000
	bool "R5000"
1617
	depends on SYS_HAS_CPU_R5000
1618 1619
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1620
	select CPU_SUPPORTS_HUGEPAGES
1621
	select CPU_HAS_LOAD_STORE_LR
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1622 1623 1624 1625 1626
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1627
	depends on SYS_HAS_CPU_R5432
1628 1629
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1630
	select CPU_SUPPORTS_HUGEPAGES
1631
	select CPU_HAS_LOAD_STORE_LR
L
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1632

1633 1634 1635 1636 1637
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1638
	select CPU_SUPPORTS_HUGEPAGES
1639
	select CPU_HAS_LOAD_STORE_LR
1640 1641 1642 1643
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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1644 1645
config CPU_NEVADA
	bool "RM52xx"
1646
	depends on SYS_HAS_CPU_NEVADA
1647 1648
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1649
	select CPU_SUPPORTS_HUGEPAGES
1650
	select CPU_HAS_LOAD_STORE_LR
L
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1651 1652 1653 1654 1655
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1656
	depends on SYS_HAS_CPU_R8000
1657
	select CPU_HAS_PREFETCH
1658
	select CPU_HAS_LOAD_STORE_LR
1659
	select CPU_SUPPORTS_64BIT_KERNEL
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1660 1661 1662 1663 1664 1665
	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1666
	depends on SYS_HAS_CPU_R10000
1667
	select CPU_HAS_PREFETCH
1668
	select CPU_HAS_LOAD_STORE_LR
1669 1670
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1672
	select CPU_SUPPORTS_HUGEPAGES
L
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1673 1674 1675 1676 1677
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1678
	depends on SYS_HAS_CPU_RM7000
1679
	select CPU_HAS_PREFETCH
1680
	select CPU_HAS_LOAD_STORE_LR
1681 1682
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1684
	select CPU_SUPPORTS_HUGEPAGES
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1685 1686 1687

config CPU_SB1
	bool "SB1"
1688
	depends on SYS_HAS_CPU_SB1
1689
	select CPU_HAS_LOAD_STORE_LR
1690 1691
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1693
	select CPU_SUPPORTS_HUGEPAGES
1694
	select WEAK_ORDERING
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1695

1696 1697
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1698
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1699
	select CPU_HAS_PREFETCH
1700
	select CPU_HAS_LOAD_STORE_LR
1701 1702 1703
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1704
	select CPU_SUPPORTS_HUGEPAGES
1705 1706
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1707
	select MIPS_L1_CACHE_SHIFT_7
1708
	select HAVE_KVM
1709 1710 1711 1712 1713 1714
	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.

1715 1716 1717 1718
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1719
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1720 1721 1722 1723 1724
	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
1725
	select IRQ_MIPS_CPU
1726 1727
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1728
	select CPU_SUPPORTS_HIGHMEM
1729
	select CPU_HAS_PREFETCH
1730
	select CPU_HAS_LOAD_STORE_LR
1731 1732
	select CPU_SUPPORTS_CPUFREQ
	select MIPS_EXTERNAL_TIMER
1733
	help
1734
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1735

1736 1737 1738
config CPU_XLR
	bool "Netlogic XLR SoC"
	depends on SYS_HAS_CPU_XLR
1739
	select CPU_HAS_LOAD_STORE_LR
1740 1741 1742
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1743
	select CPU_SUPPORTS_HUGEPAGES
1744 1745 1746 1747
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1748 1749 1750 1751 1752 1753 1754 1755 1756 1757

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
1758
	select CPU_HAS_LOAD_STORE_LR
1759
	select CPU_MIPSR2
1760
	select CPU_SUPPORTS_HUGEPAGES
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	select MIPS_ASID_BITS_VARIABLE
1762 1763
	help
	  Netlogic Microsystems XLP processors.
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endchoice

1766 1767 1768
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1769
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS32 architecture including features from the 3.5 release such as
	  support for Enhanced Virtual Addressing (EVA).

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

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

config CPU_MIPS32_R5_XPA
	bool "Extended Physical Addressing (XPA)"
	depends on CPU_MIPS32_R5_FEATURES
	depends on !EVA
	depends on !PAGE_SIZE_4KB
	depends on SYS_SUPPORTS_HIGHMEM
	select XPA
	select HIGHMEM
1803
	select PHYS_ADDR_T_64BIT
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	default n
	help
	  Choose this option if you want to enable the Extended Physical
	  Addressing (XPA) on your MIPS32 core (such as P5600 series). The
	  benefit is to increase physical addressing equal to or greater
	  than 40 bits. Note that this has the side effect of turning on
	  64-bit addressing which in turn makes the PTEs 64-bit in size.
	  If unsure, say 'N' here.

1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839
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

1840 1841 1842 1843
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1844
	select HAVE_KERNEL_LZ4
1845
	select HAVE_KERNEL_LZMA
1846
	select HAVE_KERNEL_LZO
1847
	select HAVE_KERNEL_XZ
1848 1849 1850 1851 1852

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1853 1854 1855 1856
config SYS_SUPPORTS_ZBOOT_UART_PROM
	bool
	select SYS_SUPPORTS_ZBOOT

1857 1858 1859 1860 1861
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1862
	select CPU_SUPPORTS_HUGEPAGES
1863
	select ARCH_HAS_PHYS_TO_DMA
1864
	select CPU_HAS_LOAD_STORE_LR
1865

1866 1867 1868
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
1869
	select CPU_MIPSR1
1870
	select CPU_HAS_PREFETCH
1871
	select CPU_HAS_LOAD_STORE_LR
1872 1873
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1874
	select CPU_SUPPORTS_CPUFREQ
1875

1876
config CPU_BMIPS32_3300
1877
	select SMP_UP if SMP
1878
	bool
1879 1880 1881 1882 1883 1884 1885 1886

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1887
	select MIPS_L1_CACHE_SHIFT_6
1888 1889
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1890
	select CPU_HAS_RIXI
1891 1892 1893 1894

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1895
	select MIPS_L1_CACHE_SHIFT_7
1896 1897
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1898
	select CPU_HAS_RIXI
1899

1900 1901 1902
config SYS_HAS_CPU_LOONGSON3
	bool
	select CPU_SUPPORTS_CPUFREQ
1903
	select CPU_HAS_RIXI
1904

1905
config SYS_HAS_CPU_LOONGSON2E
1906 1907
	bool

1908 1909
config SYS_HAS_CPU_LOONGSON2F
	bool
1910 1911
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1912
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1913

1914 1915 1916
config SYS_HAS_CPU_LOONGSON1B
	bool

Y
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1917 1918 1919
config SYS_HAS_CPU_LOONGSON1C
	bool

1920 1921 1922 1923 1924 1925
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1926 1927 1928
config SYS_HAS_CPU_MIPS32_R3_5
	bool

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1929 1930 1931
config SYS_HAS_CPU_MIPS32_R5
	bool

1932 1933 1934
config SYS_HAS_CPU_MIPS32_R6
	bool

1935 1936 1937 1938 1939 1940
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1941 1942 1943
config SYS_HAS_CPU_MIPS64_R6
	bool

1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
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

1968 1969 1970
config SYS_HAS_CPU_R5500
	bool

1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
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

1986 1987 1988
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1989
config SYS_HAS_CPU_BMIPS
1990 1991
	bool

1992
config SYS_HAS_CPU_BMIPS32_3300
1993
	bool
1994
	select SYS_HAS_CPU_BMIPS
1995 1996 1997

config SYS_HAS_CPU_BMIPS4350
	bool
1998
	select SYS_HAS_CPU_BMIPS
1999 2000 2001

config SYS_HAS_CPU_BMIPS4380
	bool
2002
	select SYS_HAS_CPU_BMIPS
2003 2004 2005

config SYS_HAS_CPU_BMIPS5000
	bool
2006
	select SYS_HAS_CPU_BMIPS
2007

2008 2009 2010
config SYS_HAS_CPU_XLR
	bool

2011 2012 2013
config SYS_HAS_CPU_XLP
	bool

2014 2015 2016 2017
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
2018 2019
config WEAK_ORDERING
	bool
2020 2021 2022 2023 2024 2025 2026

#
# 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
2027 2028 2029
endmenu

#
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2030
# These two indicate any level of the MIPS32 and MIPS64 architecture
2031 2032 2033
#
config CPU_MIPS32
	bool
2034
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
2035 2036 2037

config CPU_MIPS64
	bool
2038
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
2039 2040

#
2041
# These indicate the revision of the architecture
2042 2043 2044 2045 2046 2047 2048
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
2049
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2050
	select CPU_HAS_RIXI
2051
	select MIPS_SPRAM
2052

2053 2054 2055
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2056
	select CPU_HAS_RIXI
2057
	select HAVE_ARCH_BITREVERSE
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2058
	select MIPS_ASID_BITS_VARIABLE
2059
	select MIPS_CRC_SUPPORT
2060
	select MIPS_SPRAM
2061

2062 2063 2064 2065 2066 2067 2068 2069 2070 2071
config TARGET_ISA_REV
	int
	default 1 if CPU_MIPSR1
	default 2 if CPU_MIPSR2
	default 6 if CPU_MIPSR6
	default 0
	help
	  Reflects the ISA revision being targeted by the kernel build. This
	  is effectively the Kconfig equivalent of MIPS_ISA_REV.

2072 2073 2074
config EVA
	bool

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config XPA
	bool

2078 2079 2080 2081 2082 2083 2084 2085
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
2086 2087 2088 2089
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
2090 2091
config CPU_SUPPORTS_HUGEPAGES
	bool
2092 2093
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
2094 2095
config MIPS_PGD_C0_CONTEXT
	bool
2096
	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2097

2098 2099 2100 2101 2102
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
2103
       default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2104

2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120
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.
2121

2122 2123 2124 2125 2126 2127 2128 2129
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

2130 2131
config KVM_GUEST
	bool "KVM Guest Kernel"
2132
	depends on BROKEN_ON_SMP
2133
	help
2134 2135
	  Select this option if building a guest kernel for KVM (Trap & Emulate)
	  mode.
2136

2137 2138
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
2139
	depends on KVM_GUEST
2140
	default 100
2141
	help
2142 2143 2144
	  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.
2145

2146 2147 2148 2149
config MIPS_VA_BITS_48
	bool "48 bits virtual memory"
	depends on 64BIT
	help
2150 2151 2152 2153 2154 2155 2156
	  Support a maximum at least 48 bits of application virtual
	  memory.  Default is 40 bits or less, depending on the CPU.
	  For page sizes 16k and above, this option results in a small
	  memory overhead for page tables.  For 4k page size, a fourth
	  level of page tables is added which imposes both a memory
	  overhead as well as slower TLB fault handling.

2157 2158
	  If unsure, say N.

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2159 2160 2161 2162 2163 2164
choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
2165
	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
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2166 2167 2168 2169 2170 2171 2172 2173
	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"
2174
	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
2175
	depends on !MIPS_VA_BITS_48
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2176 2177 2178
	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
2179 2180
	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
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2181 2182 2183

config PAGE_SIZE_16KB
	bool "16kB"
2184
	depends on !CPU_R3000 && !CPU_TX39XX
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2185 2186 2187
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
2188 2189
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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2190

2191 2192 2193
config PAGE_SIZE_32KB
	bool "32kB"
	depends on CPU_CAVIUM_OCTEON
2194
	depends on !MIPS_VA_BITS_48
2195 2196 2197 2198 2199 2200
	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"
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2203
	depends on !CPU_R3000 && !CPU_TX39XX
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2204 2205 2206 2207
	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
2208
	  writing this option is still high experimental.
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2209 2210 2211

endchoice

2212 2213
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
2214 2215 2216 2217 2218 2219
	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
2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235
	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

2243 2244 2245 2246 2247 2248 2249
#
# 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
2267
	bool
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2269 2270
config CPU_GENERIC_DUMP_TLB
	bool
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	default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2272

2273
config MIPS_FP_SUPPORT
2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286
	bool "Floating Point support" if EXPERT
	default y
	help
	  Select y to include support for floating point in the kernel
	  including initialization of FPU hardware, FP context save & restore
	  and emulation of an FPU where necessary. Without this support any
	  userland program attempting to use floating point instructions will
	  receive a SIGILL.

	  If you know that your userland will not attempt to use floating point
	  instructions then you can say n here to shrink the kernel a little.

	  If unsure, say y.
2287

2288 2289
config CPU_R2300_FPU
	bool
2290
	depends on MIPS_FP_SUPPORT
2291 2292
	default y if CPU_R3000 || CPU_TX39XX

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config CPU_R4K_FPU
	bool
2295
	depends on MIPS_FP_SUPPORT
2296
	default y if !CPU_R2300_FPU
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2298 2299 2300 2301
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
2303
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2304
	default y
2305
	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2306
	select CPU_MIPSR2_IRQ_VI
2307
	select CPU_MIPSR2_IRQ_EI
2308
	select SYNC_R4K
2309
	select MIPS_MT
2310
	select SMP
2311
	select SMP_UP
2312 2313
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2314
	select MIPS_PERF_SHARED_TC_COUNTERS
2315
	help
2316 2317 2318 2319 2320
	  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>.
2321

2322 2323 2324
config MIPS_MT
	bool

2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336
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

2337 2338 2339
config SYS_SUPPORTS_MULTITHREADING
	bool

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config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
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	depends on MIPS_MT_SMP
2344

2345 2346
config MIPSR2_TO_R6_EMULATOR
	bool "MIPS R2-to-R6 emulator"
2347
	depends on CPU_MIPSR6
2348
	depends on MIPS_FP_SUPPORT
2349 2350 2351 2352
	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
2353
	  default. You can enable it using the 'mipsr2emu' kernel option.
2354 2355 2356
	  The only reason this is a build-time option is to save ~14K from the
	  final kernel image.

2357 2358 2359 2360 2361 2362 2363
config SYS_SUPPORTS_VPE_LOADER
	bool
	depends on SYS_SUPPORTS_MULTITHREADING
	help
	  Indicates that the platform supports the VPE loader, and provides
	  physical_memsize.

2364 2365
config MIPS_VPE_LOADER
	bool "VPE loader support."
2366
	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2367 2368 2369 2370 2371 2372
	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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2374 2375 2376 2377 2378
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2379 2380 2381 2382 2383
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394
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
2395 2396
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
2397

2398 2399 2400 2401 2402
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2403 2404 2405 2406 2407
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2408
config MIPS_CMP
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	bool "MIPS CMP framework support (DEPRECATED)"
2410
	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2411
	select SMP
2412
	select SYNC_R4K
2413
	select SYS_SUPPORTS_SMP
2414 2415 2416
	select WEAK_ORDERING
	default n
	help
2417 2418 2419
	  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.
2420

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

2424 2425
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
2426
	depends on SYS_SUPPORTS_MIPS_CPS
2427
	select MIPS_CM
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	select MIPS_CPS_PM if HOTPLUG_CPU
2429 2430
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2432
	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2433 2434 2435 2436 2437 2438 2439 2440 2441
	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.

2442
config MIPS_CPS_PM
2443
	depends on MIPS_CPS
2444 2445
	bool

2446 2447
config MIPS_CM
	bool
2448
	select MIPS_CPC
2449

2450 2451
config MIPS_CPC
	bool
2452

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

config SB1_PASS_2_1_WORKAROUNDS
	bool
	depends on CPU_SB1 && CPU_SB1_PASS_2
	default y

2463

2464 2465 2466 2467 2468 2469 2470 2471
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

2472 2473
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2474
	bool "SmartMIPS"
2475 2476 2477 2478 2479 2480 2481 2482 2483
	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.

2484
config CPU_MICROMIPS
2485
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2486
	bool "microMIPS"
2487 2488 2489 2490
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2491 2492
endchoice

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config CPU_HAS_MSA
2494
	bool "Support for the MIPS SIMD Architecture"
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	depends on CPU_SUPPORTS_MSA
2496
	depends on MIPS_FP_SUPPORT
2497
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
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	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2501 2502 2503 2504 2505
	  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
2510
	bool
2511

2512 2513 2514
config XKS01
	bool

2515 2516 2517
config CPU_HAS_RIXI
	bool

2518 2519 2520 2521 2522 2523 2524
config CPU_HAS_LOAD_STORE_LR
	bool
	help
	  CPU has support for unaligned load and store instructions:
	  LWL, LWR, SWL, SWR (Load/store word left/right).
	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).

2525 2526 2527
#
# Vectored interrupt mode is an R2 feature
#
2528
config CPU_MIPSR2_IRQ_VI
2529
	bool
2530

2531 2532 2533
#
# Extended interrupt mode is an R2 feature
#
2534
config CPU_MIPSR2_IRQ_EI
2535
	bool
2536

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	bool

2555 2556 2557 2558 2559 2560 2561 2562
config MIPS_ASID_SHIFT
	int
	default 6 if CPU_R3000 || CPU_TX39XX
	default 4 if CPU_R8000
	default 0

config MIPS_ASID_BITS
	int
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	default 0 if MIPS_ASID_BITS_VARIABLE
2564 2565 2566
	default 6 if CPU_R3000 || CPU_TX39XX
	default 8

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config MIPS_ASID_BITS_VARIABLE
	bool

2570 2571 2572
config MIPS_CRC_SUPPORT
	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"
2588
	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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2596 2597 2598
config SYS_SUPPORTS_SMARTMIPS
	bool

2599 2600 2601
config SYS_SUPPORTS_MICROMIPS
	bool

2602 2603 2604 2605 2606 2607 2608
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

2612 2613
config ARCH_FLATMEM_ENABLE
	def_bool y
2614
	depends on !NUMA && !CPU_LOONGSON2
2615

2616 2617 2618 2619
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2620
	  Say Y to support efficient handling of discontiguous physical memory,
2621 2622
	  for architectures which are either NUMA (Non-Uniform Memory Access)
	  or have huge holes in the physical address space for other reasons.
2623
	  See <file:Documentation/vm/numa.rst> for more.
2624

2625 2626
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2628

2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641
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

2642 2643
config RELOCATABLE
	bool "Relocatable kernel"
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	depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2645 2646 2647 2648 2649 2650
	help
	  This builds a kernel image that retains relocation information
	  so it can be loaded someplace besides the default 1MB.
	  The relocations make the kernel binary about 15% larger,
	  but are discarded at runtime

2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666
config RELOCATION_TABLE_SIZE
	hex "Relocation table size"
	depends on RELOCATABLE
	range 0x0 0x01000000
	default "0x00100000"
	---help---
	  A table of relocation data will be appended to the kernel binary
	  and parsed at boot to fix up the relocated kernel.

	  This option allows the amount of space reserved for the table to be
	  adjusted, although the default of 1Mb should be ok in most cases.

	  The build will fail and a valid size suggested if this is too small.

	  If unsure, leave at the default value.

2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696
config RANDOMIZE_BASE
	bool "Randomize the address of the kernel image"
	depends on RELOCATABLE
	---help---
	   Randomizes the physical and virtual address at which the
	   kernel image is loaded, as a security feature that
	   deters exploit attempts relying on knowledge of the location
	   of kernel internals.

	   Entropy is generated using any coprocessor 0 registers available.

	   The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.

	   If unsure, say N.

config RANDOMIZE_BASE_MAX_OFFSET
	hex "Maximum kASLR offset" if EXPERT
	depends on RANDOMIZE_BASE
	range 0x0 0x40000000 if EVA || 64BIT
	range 0x0 0x08000000
	default "0x01000000"
	---help---
	  When kASLR is active, this provides the maximum offset that will
	  be applied to the kernel image. It should be set according to the
	  amount of physical RAM available in the target system minus
	  PHYSICAL_START and must be a power of 2.

	  This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
	  EVA or 64-bit. The default is 16Mb.

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config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2702 2703
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
2704
	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2705 2706 2707 2708 2709
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

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config SMP
	bool "Multi-Processing support"
2712 2713
	depends on SYS_SUPPORTS_SMP
	help
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	  This enables support for systems with more than one CPU. If you have
2715 2716
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
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2718
	  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,
2721
	  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.

2732 2733 2734 2735 2736 2737 2738 2739 2740 2741
config HOTPLUG_CPU
	bool "Support for hot-pluggable CPUs"
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Say Y here to allow turning CPUs off and on. CPUs can be
	  controlled through /sys/devices/system/cpu.
	  (Note: power management support will enable this option
	    automatically on SMP systems. )
	  Say N if you want to disable CPU hotplug.

2742 2743 2744
config SMP_UP
	bool

2745 2746 2747
config SYS_SUPPORTS_MIPS_CMP
	bool

2748 2749 2750
config SYS_SUPPORTS_MIPS_CPS
	bool

2751 2752 2753
config SYS_SUPPORTS_SMP
	bool

2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768
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
2773 2774 2775 2776 2777
	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
2782 2783
	  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
2786 2787 2788
	  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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2790 2791
config MIPS_PERF_SHARED_TC_COUNTERS
	bool
2792 2793 2794 2795 2796 2797 2798 2799 2800

config MIPS_NR_CPU_NR_MAP_1024
	bool

config MIPS_NR_CPU_NR_MAP
	int
	depends on SMP
	default 1024 if MIPS_NR_CPU_NR_MAP_1024
	default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2801

2802 2803 2804 2805 2806 2807 2808 2809 2810 2811
#
# Timer Interrupt Frequency Configuration
#

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

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	config HZ_24
		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ

2815
	config HZ_48
2816
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837

	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

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Paul Burton 已提交
2838 2839 2840
config SYS_SUPPORTS_24HZ
	bool

2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863
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
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Paul Burton 已提交
2864 2865 2866 2867 2868 2869 2870
	default y if !SYS_SUPPORTS_24HZ && \
		     !SYS_SUPPORTS_48HZ && \
		     !SYS_SUPPORTS_100HZ && \
		     !SYS_SUPPORTS_128HZ && \
		     !SYS_SUPPORTS_250HZ && \
		     !SYS_SUPPORTS_256HZ && \
		     !SYS_SUPPORTS_1000HZ && \
2871 2872 2873 2874
		     !SYS_SUPPORTS_1024HZ

config HZ
	int
P
Paul Burton 已提交
2875
	default 24 if HZ_24
2876 2877 2878 2879 2880 2881 2882 2883
	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

D
Deng-Cheng Zhu 已提交
2884 2885 2886
config SCHED_HRTICK
	def_bool HIGH_RES_TIMERS

2887
config KEXEC
2888
	bool "Kexec system call"
2889
	select KEXEC_CORE
2890 2891 2892
	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
2893
	  but it is independent of the system firmware.   And like a reboot
2894 2895
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
2896
	  The name comes from the similarity to the exec system call.
2897 2898 2899

	  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
2900 2901 2902
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
2903

R
Ralf Baechle 已提交
2904
config CRASH_DUMP
2905 2906
	bool "Kernel crash dumps"
	help
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Ralf Baechle 已提交
2907 2908 2909 2910 2911 2912 2913 2914 2915
	  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
2916
	hex "Physical address where the kernel is loaded"
2917
	default "0xffffffff84000000"
2918 2919
	depends on CRASH_DUMP
	help
R
Ralf Baechle 已提交
2920 2921 2922 2923 2924 2925
	  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).

2926 2927
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2928
	depends on PROC_FS
2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942
	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.

2943
config MIPS_O32_FP64_SUPPORT
2944
	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956
	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.

2957 2958 2959 2960 2961 2962 2963 2964
	  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.
2965

2966
config USE_OF
2967
	bool
2968
	select OF
2969
	select OF_EARLY_FLATTREE
2970
	select IRQ_DOMAIN
2971

2972 2973 2974
config UHI_BOOT
	bool

2975 2976 2977
config BUILTIN_DTB
	bool

2978
choice
2979
	prompt "Kernel appended dtb support" if USE_OF
2980 2981 2982 2983 2984 2985 2986
	default MIPS_NO_APPENDED_DTB

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

2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000
	config MIPS_ELF_APPENDED_DTB
		bool "vmlinux"
		help
		  With this option, the boot code will look for a device tree binary
		  DTB) included in the vmlinux ELF section .appended_dtb. By default
		  it is empty and the DTB can be appended using binutils command
		  objcopy:

		    objcopy --update-section .appended_dtb=<filename>.dtb vmlinux

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

3001
	config MIPS_RAW_APPENDED_DTB
3002
		bool "vmlinux.bin or vmlinuz.bin"
3003 3004
		help
		  With this option, the boot code will look for a device tree binary
3005
		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018
		  (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).

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

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

3019 3020
choice
	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
J
Jonas Gorski 已提交
3021
	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
3022
					 !MIPS_MALTA && \
J
Jonas Gorski 已提交
3023
					 !CAVIUM_OCTEON_SOC
3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035
	default MIPS_CMDLINE_FROM_BOOTLOADER

	config MIPS_CMDLINE_FROM_DTB
		depends on USE_OF
		bool "Dtb kernel arguments if available"

	config MIPS_CMDLINE_DTB_EXTEND
		depends on USE_OF
		bool "Extend dtb kernel arguments with bootloader arguments"

	config MIPS_CMDLINE_FROM_BOOTLOADER
		bool "Bootloader kernel arguments if available"
3036 3037 3038 3039

	config MIPS_CMDLINE_BUILTIN_EXTEND
		depends on CMDLINE_BOOL
		bool "Extend builtin kernel arguments with bootloader arguments"
3040 3041
endchoice

3042 3043
endmenu

3044 3045 3046 3047 3048 3049 3050 3051
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

A
Aaro Koskinen 已提交
3052 3053 3054 3055
config HAVE_LATENCYTOP_SUPPORT
	bool
	default y

3056 3057
config PGTABLE_LEVELS
	int
3058
	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3059 3060 3061
	default 3 if 64BIT && !PAGE_SIZE_64KB
	default 2

3062 3063 3064
config MIPS_AUTO_PFN_OFFSET
	bool

L
Linus Torvalds 已提交
3065 3066
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

3067
config PCI_DRIVERS_GENERIC
3068
	select PCI_DOMAINS_GENERIC if PCI
3069 3070 3071 3072 3073
	bool

config PCI_DRIVERS_LEGACY
	def_bool !PCI_DRIVERS_GENERIC
	select NO_GENERIC_PCI_IOPORT_MAP
3074
	select PCI_DOMAINS if PCI
L
Linus Torvalds 已提交
3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087

#
# 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 TC
	bool "TURBOchannel support"
	depends on MACH_DECSTATION
	help
3088 3089 3090 3091 3092 3093 3094 3095
	  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>
L
Linus Torvalds 已提交
3096 3097 3098 3099 3100

config MMU
	bool
	default y

3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114
config ARCH_MMAP_RND_BITS_MIN
	default 12 if 64BIT
	default 8

config ARCH_MMAP_RND_BITS_MAX
	default 18 if 64BIT
	default 15

config ARCH_MMAP_RND_COMPAT_BITS_MIN
       default 8

config ARCH_MMAP_RND_COMPAT_BITS_MAX
       default 15

3115 3116
config I8253
	bool
3117
	select CLKSRC_I8253
3118
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
3119
	select MIPS_EXTERNAL_TIMER
3120

3121 3122 3123
config ZONE_DMA
	bool

3124 3125 3126
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
3127 3128 3129 3130 3131 3132
endmenu

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
3133
	bool
L
Linus Torvalds 已提交
3134 3135 3136 3137

config COMPAT
	bool

3138 3139 3140
config SYSVIPC_COMPAT
	bool

L
Linus Torvalds 已提交
3141 3142
config MIPS32_O32
	bool "Kernel support for o32 binaries"
3143 3144 3145 3146 3147
	depends on 64BIT
	select ARCH_WANT_OLD_COMPAT_IPC
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
3148 3149 3150 3151 3152 3153 3154 3155 3156
	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"
3157
	depends on 64BIT
3158
	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3159 3160 3161
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172
	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
R
Ralf Baechle 已提交
3173
	select ELFCORE
L
Linus Torvalds 已提交
3174

3175 3176
menu "Power management options"

W
Wu Zhangjin 已提交
3177 3178
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
3179
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
3180

J
Johannes Berg 已提交
3181 3182
config ARCH_SUSPEND_POSSIBLE
	def_bool y
3183
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
3184

3185
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
3186

L
Linus Torvalds 已提交
3187 3188
endmenu

3189 3190 3191 3192
config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
P
Paul Burton 已提交
3193 3194

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3195 3196
source "drivers/cpufreq/Kconfig"
endif
W
Wu Zhangjin 已提交
3197

P
Paul Burton 已提交
3198 3199 3200 3201
source "drivers/cpuidle/Kconfig"

endmenu

3202 3203
source "drivers/firmware/Kconfig"

3204
source "arch/mips/kvm/Kconfig"