Kconfig 83.7 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_32BIT_OFF_T if !64BIT
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	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
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	select ARCH_HAS_FORTIFY_SOURCE
	select ARCH_HAS_KCOV
	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
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	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_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
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	select ARCH_WANT_IPC_PARSE_VERSION
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	select BUILDTIME_TABLE_SORT
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	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_GETTIMEOFDAY
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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
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	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
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	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
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	select HAVE_ASM_MODVERSIONS
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	select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
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	select HAVE_CONTEXT_TRACKING
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	select HAVE_TIF_NOHZ
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	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_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
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	select HAVE_EXIT_THREAD
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	select HAVE_FAST_GUP
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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
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	select HAVE_GCC_PLUGINS
	select HAVE_GENERIC_VDSO
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	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_SPARSE_SYSCALL_NR
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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_REL if MODULES
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	select MODULES_USE_ELF_RELA if MODULES && 64BIT
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	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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config MIPS_FIXUP_BIGPHYS_ADDR
	bool

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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_EI
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	select CPU_MIPSR2_IRQ_VI
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	select CSRC_R4K
	select DMA_PERDEV_COHERENT
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	select HAVE_PCI
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	select IRQ_MIPS_CPU
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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 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_MIPS16
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	select SYS_SUPPORTS_MIPS_CPS
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	select SYS_SUPPORTS_MULTITHREADING
	select SYS_SUPPORTS_RELOCATABLE
	select SYS_SUPPORTS_SMARTMIPS
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	select UHI_BOOT
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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
	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 MIPS_FIXUP_BIGPHYS_ADDR if PCI
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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 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
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	  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
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	  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 ARC_MEMORY
	select ARC_PROMLIB
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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.
	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
	  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 CPU_SUPPORTS_HUGEPAGES
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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 if MIPS_NO_APPENDED_DTB
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	select USE_OF
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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 MACH_LOONGSON32
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	bool "Loongson 32-bit 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_LOONGSON2EF
	bool "Loongson-2E/F family of machines"
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	select SYS_SUPPORTS_ZBOOT
	help
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	  This enables the support of early Loongson-2E/F family of machines.
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config MACH_LOONGSON64
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	bool "Loongson 64-bit family of machines"
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	select ARCH_SPARSEMEM_ENABLE
	select ARCH_MIGHT_HAVE_PC_PARPORT
	select ARCH_MIGHT_HAVE_PC_SERIO
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select BOOT_ELF32
	select BOARD_SCACHE
	select CSRC_R4K
	select CEVT_R4K
	select CPU_HAS_WB
	select FORCE_PCI
	select ISA
	select I8259
	select IRQ_MIPS_CPU
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	select NR_CPUS_DEFAULT_64
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	select USE_GENERIC_EARLY_PRINTK_8250
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	select PCI_DRIVERS_GENERIC
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	select SYS_HAS_CPU_LOONGSON64
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	select SYS_SUPPORTS_NUMA
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_ZBOOT
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	select ZONE_DMA32
	select NUMA
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	select COMMON_CLK
	select USE_OF
	select BUILTIN_DTB
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	help
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	  This enables the support of Loongson-2/3 family of machines.

	  Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
	  GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
	  and Loongson-2F which will be removed), developed by the Institute
	  of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
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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 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
523
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
524
	select BOOT_ELF32
525
	select BOOT_RAW
P
Paul Burton 已提交
526
	select BUILTIN_DTB
527
	select CEVT_R4K
528
	select CLKSRC_MIPS_GIC
529
	select COMMON_CLK
530
	select CSRC_R4K
531
	select DMA_MAYBE_COHERENT
L
Linus Torvalds 已提交
532
	select GENERIC_ISA_DMA
533
	select HAVE_PCSPKR_PLATFORM
534
	select HAVE_PCI
535
	select I8253
L
Linus Torvalds 已提交
536
	select I8259
537
	select IRQ_MIPS_CPU
538
	select MIPS_BONITO64
539
	select MIPS_CPU_SCACHE
540
	select MIPS_GIC
541
	select MIPS_L1_CACHE_SHIFT_6
542
	select MIPS_MSC
543
	select PCI_GT64XXX_PCI0
544
	select SMP_UP if SMP
L
Linus Torvalds 已提交
545
	select SWAP_IO_SPACE
546 547
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
548
	select SYS_HAS_CPU_MIPS32_R3_5
S
Steven J. Hill 已提交
549
	select SYS_HAS_CPU_MIPS32_R5
550
	select SYS_HAS_CPU_MIPS32_R6
551
	select SYS_HAS_CPU_MIPS64_R1
552
	select SYS_HAS_CPU_MIPS64_R2
553
	select SYS_HAS_CPU_MIPS64_R6
554 555
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
556 557
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
558
	select SYS_SUPPORTS_BIG_ENDIAN
S
Steven J. Hill 已提交
559
	select SYS_SUPPORTS_HIGHMEM
560
	select SYS_SUPPORTS_LITTLE_ENDIAN
561
	select SYS_SUPPORTS_MICROMIPS
562
	select SYS_SUPPORTS_MIPS16
T
Tim Anderson 已提交
563
	select SYS_SUPPORTS_MIPS_CMP
564
	select SYS_SUPPORTS_MIPS_CPS
565
	select SYS_SUPPORTS_MULTITHREADING
566
	select SYS_SUPPORTS_RELOCATABLE
567
	select SYS_SUPPORTS_SMARTMIPS
568
	select SYS_SUPPORTS_VPE_LOADER
569
	select SYS_SUPPORTS_ZBOOT
P
Paul Burton 已提交
570
	select USE_OF
571
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
572
	help
573
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
574 575
	  board.

576 577 578 579 580 581 582 583
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.

584
config MACH_VR41XX
585
	bool "NEC VR4100 series based machines"
586
	select CEVT_R4K
587
	select CSRC_R4K
588
	select SYS_HAS_CPU_VR41XX
589
	select SYS_SUPPORTS_MIPS16
590
	select GPIOLIB
591

592 593 594 595
config NXP_STB220
	bool "NXP STB220 board"
	select SOC_PNX833X
	help
596
	  Support for NXP Semiconductors STB220 Development Board.
597 598 599 600 601 602

config NXP_STB225
	bool "NXP 225 board"
	select SOC_PNX833X
	select SOC_PNX8335
	help
603
	  Support for NXP Semiconductors STB225 Development Board.
604

J
John Crispin 已提交
605 606 607 608 609 610
config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
611
	select IRQ_MIPS_CPU
J
John Crispin 已提交
612 613 614 615 616
	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
617
	select SYS_SUPPORTS_MIPS16
J
John Crispin 已提交
618 619
	select SYS_HAS_EARLY_PRINTK
	select CLKDEV_LOOKUP
620 621
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
J
John Crispin 已提交
622

L
Linus Torvalds 已提交
623
config SGI_IP22
624
	bool "SGI IP22 (Indy/Indigo2)"
625
	select ARC_MEMORY
626
	select ARC_PROMLIB
627 628
	select FW_ARC
	select FW_ARC32
629
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
630
	select BOOT_ELF32
631
	select CEVT_R4K
632
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
633
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
634
	select DMA_NONCOHERENT
635
	select HAVE_EISA
636
	select I8253
637
	select I8259
L
Linus Torvalds 已提交
638
	select IP22_CPU_SCACHE
639
	select IRQ_MIPS_CPU
640
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
641 642
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
643
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
644 645 646
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
647
	select SWAP_IO_SPACE
648 649
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
650
	select SYS_HAS_EARLY_PRINTK
651 652
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
653
	select SYS_SUPPORTS_BIG_ENDIAN
654
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
655 656 657 658 659 660
	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
661
	bool "SGI IP27 (Origin200/2000)"
662
	select ARCH_HAS_PHYS_TO_DMA
663
	select ARCH_SPARSEMEM_ENABLE
664 665
	select FW_ARC
	select FW_ARC64
666
	select ARC_CMDLINE_ONLY
667
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
668
	select DEFAULT_SGI_PARTITION
669
	select SYS_HAS_EARLY_PRINTK
670
	select HAVE_PCI
671
	select IRQ_MIPS_CPU
672
	select IRQ_DOMAIN_HIERARCHY
673
	select NR_CPUS_DEFAULT_64
674 675
	select PCI_DRIVERS_GENERIC
	select PCI_XTALK_BRIDGE
676
	select SYS_HAS_CPU_R10000
677
	select SYS_SUPPORTS_64BIT_KERNEL
678
	select SYS_SUPPORTS_BIG_ENDIAN
679
	select SYS_SUPPORTS_NUMA
680
	select SYS_SUPPORTS_SMP
681
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
682 683 684 685 686
	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
687
config SGI_IP28
688
	bool "SGI IP28 (Indigo2 R10k)"
689
	select ARC_MEMORY
690
	select ARC_PROMLIB
691 692
	select FW_ARC
	select FW_ARC64
693
	select ARCH_MIGHT_HAVE_PC_SERIO
T
Thomas Bogendoerfer 已提交
694 695 696 697 698 699
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
700
	select IRQ_MIPS_CPU
701
	select HAVE_EISA
T
Thomas Bogendoerfer 已提交
702 703 704 705
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
706
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
707 708 709 710 711
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
712
	select SYS_HAS_EARLY_PRINTK
T
Thomas Bogendoerfer 已提交
713 714
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
715
	select MIPS_L1_CACHE_SHIFT_7
716 717 718
	help
	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
	  kernel that runs on these, say Y here.
T
Thomas Bogendoerfer 已提交
719

720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
config SGI_IP30
	bool "SGI IP30 (Octane/Octane2)"
	select ARCH_HAS_PHYS_TO_DMA
	select FW_ARC
	select FW_ARC64
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select SYNC_R4K if SMP
	select ZONE_DMA32
	select HAVE_PCI
	select IRQ_MIPS_CPU
	select IRQ_DOMAIN_HIERARCHY
	select NR_CPUS_DEFAULT_2
	select PCI_DRIVERS_GENERIC
	select PCI_XTALK_BRIDGE
	select SYS_HAS_EARLY_PRINTK
	select SYS_HAS_CPU_R10000
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_SMP
	select MIPS_L1_CACHE_SHIFT_7
	select ARC_MEMORY
	help
	  These are the SGI Octane and Octane2 graphics workstations.  To
	  compile a Linux kernel that runs on these, say Y here.

L
Linus Torvalds 已提交
747
config SGI_IP32
748
	bool "SGI IP32 (O2)"
749 750
	select ARC_MEMORY
	select ARC_PROMLIB
751
	select ARCH_HAS_PHYS_TO_DMA
752 753
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
754
	select BOOT_ELF32
755
	select CEVT_R4K
756
	select CSRC_R4K
L
Linus Torvalds 已提交
757
	select DMA_NONCOHERENT
758
	select HAVE_PCI
759
	select IRQ_MIPS_CPU
L
Linus Torvalds 已提交
760 761
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
762 763 764
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
765
	select SYS_HAS_CPU_NEVADA
766
	select SYS_SUPPORTS_64BIT_KERNEL
767 768
	select SYS_SUPPORTS_BIG_ENDIAN
	help
769
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
770

771 772
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
773
	select BOOT_ELF32
774
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
775
	select SWAP_IO_SPACE
776
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
777 778 779
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

780 781
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
782
	select BOOT_ELF32
783
	select SIBYTE_BCM1120
784
	select SWAP_IO_SPACE
785
	select SYS_HAS_CPU_SB1
786
	select SYS_SUPPORTS_BIG_ENDIAN
787
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
788

789 790
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
791
	select BOOT_ELF32
792
	select SIBYTE_BCM1125
793
	select SWAP_IO_SPACE
794
	select SYS_HAS_CPU_SB1
795
	select SYS_SUPPORTS_BIG_ENDIAN
796
	select SYS_SUPPORTS_HIGHMEM
797
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
798

799
config SIBYTE_RHONE
800
	bool "Sibyte BCM91125E-Rhone"
801 802 803
	select BOOT_ELF32
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
804
	select SYS_HAS_CPU_SB1
805 806
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
807

808 809
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
810
	select BOOT_ELF32
811
	select HAVE_PATA_PLATFORM
812
	select SIBYTE_SB1250
813
	select SWAP_IO_SPACE
814
	select SYS_HAS_CPU_SB1
815
	select SYS_SUPPORTS_BIG_ENDIAN
816
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
817
	select SYS_SUPPORTS_LITTLE_ENDIAN
818
	select ZONE_DMA32 if 64BIT
819
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
P
Pete Popov 已提交
820

821 822
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
823
	select BOOT_ELF32
824
	select HAVE_PATA_PLATFORM
825 826
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
827
	select SYS_HAS_CPU_SB1
828 829 830
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
831
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
832

833 834
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
835 836 837
	select BOOT_ELF32
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
838
	select SYS_HAS_CPU_SB1
839 840
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
841
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
L
Linus Torvalds 已提交
842

843 844
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
845
	select BOOT_ELF32
846 847
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
848
	select SWAP_IO_SPACE
849
	select SYS_HAS_CPU_SB1
850
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
851
	select SYS_SUPPORTS_HIGHMEM
852
	select SYS_SUPPORTS_LITTLE_ENDIAN
853
	select ZONE_DMA32 if 64BIT
854
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
L
Linus Torvalds 已提交
855

856 857
config SNI_RM
	bool "SNI RM200/300/400"
858 859
	select ARC_MEMORY
	select ARC_PROMLIB
860 861
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
862
	select FW_SNIPROM if CPU_BIG_ENDIAN
863
	select ARCH_MAY_HAVE_PC_FDC
864
	select ARCH_MIGHT_HAVE_PC_PARPORT
865
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
866
	select BOOT_ELF32
867
	select CEVT_R4K
868
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
869
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
870 871
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
872
	select HAVE_EISA
873
	select HAVE_PCSPKR_PLATFORM
874
	select HAVE_PCI
875
	select IRQ_MIPS_CPU
876
	select I8253
L
Linus Torvalds 已提交
877 878
	select I8259
	select ISA
879
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
880
	select SYS_HAS_CPU_R4X00
881
	select SYS_HAS_CPU_R5000
882
	select SYS_HAS_CPU_R10000
883
	select R5000_CPU_SCACHE
884
	select SYS_HAS_EARLY_PRINTK
885
	select SYS_SUPPORTS_32BIT_KERNEL
886
	select SYS_SUPPORTS_64BIT_KERNEL
887
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
888
	select SYS_SUPPORTS_HIGHMEM
889
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
890
	help
891 892
	  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
893 894 895
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

896 897
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
898

899 900
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
901

902 903 904 905 906
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
907
	select HAVE_PCI
908
	select IRQ_MIPS_CPU
909 910 911 912 913
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
914
	select GPIOLIB
915
	select MIPS_L1_CACHE_SHIFT_4
916 917 918 919
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

920 921
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
922
	select CEVT_R4K
923
	select ARCH_HAS_PHYS_TO_DMA
924
	select HAVE_RAPIDIO
925
	select PHYS_ADDR_T_64BIT
926 927
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
928
	select EDAC_SUPPORT
929
	select EDAC_ATOMIC_SCRUB
930 931
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
932
	select SYS_HAS_EARLY_PRINTK
933
	select SYS_HAS_CPU_CAVIUM_OCTEON
934
	select HAVE_PCI
935 936 937
	select HAVE_PLAT_DELAY
	select HAVE_PLAT_FW_INIT_CMDLINE
	select HAVE_PLAT_MEMCPY
D
David Daney 已提交
938
	select ZONE_DMA32
939
	select HOLES_IN_ZONE
940
	select GPIOLIB
941 942 943
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
944 945
	select NR_CPUS_DEFAULT_64
	select MIPS_NR_CPU_NR_MAP_1024
946
	select BUILTIN_DTB
947
	select MTD_COMPLEX_MAPPINGS
948
	select SWIOTLB
S
Steven J. Hill 已提交
949
	select SYS_SUPPORTS_RELOCATABLE
950 951 952 953 954 955 956 957 958 959 960 961 962
	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.

963 964 965 966 967 968
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
969
	select HAVE_PCI
970 971 972
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
973
	select PHYS_ADDR_T_64BIT
974 975 976 977 978
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
979
	select IRQ_MIPS_CPU
980
	select ZONE_DMA32 if 64BIT
981 982
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
983 984
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
985 986 987 988
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

989 990 991 992 993 994
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
995
	select HAVE_PCI
996 997
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
998
	select PHYS_ADDR_T_64BIT
999
	select GPIOLIB
1000 1001 1002 1003 1004 1005
	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
1006
	select IRQ_MIPS_CPU
1007
	select ZONE_DMA32 if 64BIT
1008 1009
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
1010
	select USE_OF
1011 1012
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
1013 1014 1015 1016
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
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
1030
	select HAVE_PCI
1031 1032 1033 1034
	select SWAP_IO_SPACE
	help
	  This option supports guest running under ????

1035
endchoice
L
Linus Torvalds 已提交
1036

R
Ralf Baechle 已提交
1037
source "arch/mips/alchemy/Kconfig"
1038
source "arch/mips/ath25/Kconfig"
1039
source "arch/mips/ath79/Kconfig"
1040
source "arch/mips/bcm47xx/Kconfig"
1041
source "arch/mips/bcm63xx/Kconfig"
1042
source "arch/mips/bmips/Kconfig"
1043
source "arch/mips/generic/Kconfig"
1044
source "arch/mips/jazz/Kconfig"
1045
source "arch/mips/jz4740/Kconfig"
1046
source "arch/mips/lantiq/Kconfig"
1047
source "arch/mips/pic32/Kconfig"
1048
source "arch/mips/pistachio/Kconfig"
J
John Crispin 已提交
1049
source "arch/mips/ralink/Kconfig"
1050
source "arch/mips/sgi-ip27/Kconfig"
1051
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
1052
source "arch/mips/txx9/Kconfig"
1053
source "arch/mips/vr41xx/Kconfig"
1054
source "arch/mips/cavium-octeon/Kconfig"
1055
source "arch/mips/loongson2ef/Kconfig"
1056 1057
source "arch/mips/loongson32/Kconfig"
source "arch/mips/loongson64/Kconfig"
1058
source "arch/mips/netlogic/Kconfig"
1059
source "arch/mips/paravirt/Kconfig"
1060

1061 1062
endmenu

1063 1064 1065 1066
config GENERIC_HWEIGHT
	bool
	default y

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Linus Torvalds 已提交
1067 1068 1069 1070
config GENERIC_CALIBRATE_DELAY
	bool
	default y

1071
config SCHED_OMIT_FRAME_POINTER
1072 1073 1074
	bool
	default y

L
Linus Torvalds 已提交
1075 1076 1077
#
# Select some configuration options automatically based on user selections.
#
1078
config FW_ARC
L
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1079 1080
	bool

1081 1082 1083
config ARCH_MAY_HAVE_PC_FDC
	bool

M
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1084 1085 1086
config BOOT_RAW
	bool

1087 1088 1089
config CEVT_BCM1480
	bool

1090 1091 1092
config CEVT_DS1287
	bool

1093 1094 1095
config CEVT_GT641XX
	bool

1096 1097 1098
config CEVT_R4K
	bool

1099 1100 1101
config CEVT_SB1250
	bool

1102 1103 1104
config CEVT_TXX9
	bool

1105 1106 1107
config CSRC_BCM1480
	bool

1108 1109 1110
config CSRC_IOASIC
	bool

1111
config CSRC_R4K
1112
	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1113 1114
	bool

1115 1116 1117
config CSRC_SB1250
	bool

1118 1119 1120
config MIPS_CLOCK_VSYSCALL
	def_bool CSRC_R4K || CLKSRC_MIPS_GIC

1121
config GPIO_TXX9
1122
	select GPIOLIB
1123 1124
	bool

1125
config FW_CFE
1126 1127
	bool

R
Ralf Baechle 已提交
1128 1129 1130
config ARCH_SUPPORTS_UPROBES
	bool

1131
config DMA_MAYBE_COHERENT
1132
	select ARCH_HAS_DMA_COHERENCE_H
1133 1134 1135
	select DMA_NONCOHERENT
	bool

1136 1137
config DMA_PERDEV_COHERENT
	bool
1138
	select ARCH_HAS_SETUP_DMA_OPS
1139
	select DMA_NONCOHERENT
1140

1141 1142
config DMA_NONCOHERENT
	bool
1143 1144 1145 1146 1147 1148 1149
	#
	# MIPS allows mixing "slightly different" Cacheability and Coherency
	# Attribute bits.  It is believed that the uncached access through
	# KSEG1 and the implementation specific "uncached accelerated" used
	# by pgprot_writcombine can be mixed, and the latter sometimes provides
	# significant advantages.
	#
1150
	select ARCH_HAS_DMA_WRITE_COMBINE
1151
	select ARCH_HAS_DMA_PREP_COHERENT
1152
	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1153
	select ARCH_HAS_DMA_SET_UNCACHED
1154
	select DMA_NONCOHERENT_MMAP
1155
	select DMA_NONCOHERENT_CACHE_SYNC
1156
	select NEED_DMA_MAP_STATE
1157

1158
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
1159 1160
	bool

1161
config SYS_SUPPORTS_HOTPLUG_CPU
1162 1163
	bool

L
Linus Torvalds 已提交
1164 1165 1166 1167 1168 1169
config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1170 1171 1172
config SYNC_R4K
	bool

1173 1174 1175
config MIPS_MACHINE
	def_bool n

1176
config NO_IOPORT_MAP
1177 1178
	def_bool n

1179
config GENERIC_CSUM
1180
	def_bool CPU_NO_LOAD_STORE_LR
1181

1182 1183 1184
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1185
	select ISA_DMA_API
1186

1187 1188
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1189
	select GENERIC_ISA_DMA
1190

1191 1192 1193 1194 1195 1196 1197 1198 1199
config HAVE_PLAT_DELAY
	bool

config HAVE_PLAT_FW_INIT_CMDLINE
	bool

config HAVE_PLAT_MEMCPY
	bool

1200 1201 1202
config ISA_DMA_API
	bool

1203 1204 1205
config HOLES_IN_ZONE
	bool

1206 1207 1208
config SYS_SUPPORTS_RELOCATABLE
	bool
	help
1209 1210 1211
	  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.
1212

D
David Daney 已提交
1213 1214 1215 1216 1217 1218 1219 1220 1221
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


1222
#
M
Masanari Iida 已提交
1223
# Endianness selection.  Sufficiently obscure so many users don't know what to
1224 1225 1226 1227
# answer,so we try hard to limit the available choices.  Also the use of a
# choice statement should be more obvious to the user.
#
choice
M
Masanari Iida 已提交
1228
	prompt "Endianness selection"
L
Linus Torvalds 已提交
1229 1230
	help
	  Some MIPS machines can be configured for either little or big endian
1231
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
1232
	  Linux distribution.  In general there is one preferred byteorder for a
1233
	  particular system but some systems are just as commonly used in the
1234
	  one or the other endianness.
1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245

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

1246 1247 1248
config EXPORT_UASM
	bool

1249 1250 1251
config SYS_SUPPORTS_APM_EMULATION
	bool

1252 1253 1254 1255 1256
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
1257

1258 1259
config SYS_SUPPORTS_HUGETLBFS
	bool
1260
	depends on CPU_SUPPORTS_HUGEPAGES
1261 1262
	default y

1263 1264 1265
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

L
Linus Torvalds 已提交
1266 1267 1268
config IRQ_CPU_RM7K
	bool

M
Marc St-Jean 已提交
1269 1270 1271 1272 1273 1274
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1275 1276 1277
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
1278 1279 1280
config IRQ_GT641XX
	bool

1281
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
1282 1283
	bool

1284 1285 1286
config PCI_XTALK_BRIDGE
	bool

M
Marc St-Jean 已提交
1287 1288 1289
config NO_EXCEPT_FILL
	bool

1290 1291 1292 1293
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
1294
	select IRQ_MIPS_CPU
1295 1296 1297 1298 1299
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
1300
	select SYS_SUPPORTS_MIPS16
1301 1302 1303 1304 1305 1306
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1307 1308 1309
config MIPS_SPRAM
	bool

L
Linus Torvalds 已提交
1310 1311 1312
config SWAP_IO_SPACE
	bool

T
Thomas Bogendoerfer 已提交
1313 1314 1315
config SGI_HAS_INDYDOG
	bool

1316 1317 1318
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333
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

1334
config FW_ARC32
1335 1336
	bool

P
Paul Bolle 已提交
1337
config FW_SNIPROM
1338 1339
	bool

L
Linus Torvalds 已提交
1340 1341 1342
config BOOT_ELF32
	bool

1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354
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

L
Linus Torvalds 已提交
1355 1356
config MIPS_L1_CACHE_SHIFT
	int
1357
	default "7" if MIPS_L1_CACHE_SHIFT_7
1358 1359 1360
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "4" if MIPS_L1_CACHE_SHIFT_4
L
Linus Torvalds 已提交
1361 1362
	default "5"

1363 1364 1365
config ARC_CMDLINE_ONLY
	bool

L
Linus Torvalds 已提交
1366 1367
config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1368
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1369 1370 1371 1372 1373 1374 1375

config ARC_MEMORY
	bool

config ARC_PROMLIB
	bool

1376
config FW_ARC64
L
Linus Torvalds 已提交
1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

J
Jiaxun Yang 已提交
1388
config CPU_LOONGSON64
1389
	bool "Loongson 64-bit CPU"
J
Jiaxun Yang 已提交
1390
	depends on SYS_HAS_CPU_LOONGSON64
1391
	select ARCH_HAS_PHYS_TO_DMA
1392 1393
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
1394 1395 1396
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
1397
	select CPU_SUPPORTS_MSA
1398 1399
	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
	select CPU_MIPSR2_IRQ_VI
1400 1401
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
1402
	select MIPS_ASID_BITS_VARIABLE
1403
	select MIPS_PGD_C0_CONTEXT
1404
	select MIPS_L1_CACHE_SHIFT_6
1405
	select GPIOLIB
1406
	select SWIOTLB
1407
	help
1408 1409 1410 1411 1412 1413 1414 1415
		The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
		cores implements the MIPS64R2 instruction set with many extensions,
		including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
		3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
		Loongson-2E/2F is not covered here and will be removed in future.

config LOONGSON3_ENHANCEMENT
	bool "New Loongson-3 CPU Enhancements"
1416
	default n
J
Jiaxun Yang 已提交
1417
	depends on CPU_LOONGSON64
1418
	help
1419
	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
1420
	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
J
Jiaxun Yang 已提交
1421
	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1422 1423 1424 1425 1426 1427
	  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
1428
	  new Loongson-3 machines only, please say 'Y' here.
1429

1430
config CPU_LOONGSON3_WORKAROUNDS
1431
	bool "Old Loongson-3 LLSC Workarounds"
1432
	default y if SMP
J
Jiaxun Yang 已提交
1433
	depends on CPU_LOONGSON64
1434
	help
1435
	  Loongson-3 processors have the llsc issues which require workarounds.
1436 1437
	  Without workarounds the system may hang unexpectedly.

1438
	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1439 1440 1441 1442 1443 1444
	  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 old systems.

	  If unsure, please say Y.

1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456
config CPU_LOONGSON3_CPUCFG_EMULATION
	bool "Emulate the CPUCFG instruction on older Loongson cores"
	default y
	depends on CPU_LOONGSON64
	help
	  Loongson-3A R4 and newer have the CPUCFG instruction available for
	  userland to query CPU capabilities, much like CPUID on x86. This
	  option provides emulation of the instruction on older Loongson
	  cores, back to Loongson-3A1000.

	  If unsure, please say Y.

1457 1458 1459
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
J
Jiaxun Yang 已提交
1460
	select CPU_LOONGSON2EF
1461 1462 1463 1464
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
Lucas De Marchi 已提交
1465
	  It has an internal FPGA northbridge, which is compatible to
1466 1467 1468 1469 1470
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
J
Jiaxun Yang 已提交
1471
	select CPU_LOONGSON2EF
1472
	select GPIOLIB
1473 1474 1475 1476 1477 1478 1479 1480
	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.

1481 1482 1483
config CPU_LOONGSON1B
	bool "Loongson 1B"
	depends on SYS_HAS_CPU_LOONGSON1B
1484
	select CPU_LOONGSON32
1485
	select LEDS_GPIO_REGISTER
1486 1487
	help
	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1488 1489
	  Release 1 instruction set and part of the MIPS32 Release 2
	  instruction set.
1490

Y
Yang Ling 已提交
1491 1492 1493
config CPU_LOONGSON1C
	bool "Loongson 1C"
	depends on SYS_HAS_CPU_LOONGSON1C
1494
	select CPU_LOONGSON32
Y
Yang Ling 已提交
1495 1496 1497
	select LEDS_GPIO_REGISTER
	help
	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1498 1499
	  Release 1 instruction set and part of the MIPS32 Release 2
	  instruction set.
Y
Yang Ling 已提交
1500

1501 1502
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1503
	depends on SYS_HAS_CPU_MIPS32_R1
1504
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1505
	select CPU_SUPPORTS_32BIT_KERNEL
1506
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1507
	help
1508
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
	  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"
1520
	depends on SYS_HAS_CPU_MIPS32_R2
R
Ralf Baechle 已提交
1521
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1522
	select CPU_SUPPORTS_32BIT_KERNEL
1523
	select CPU_SUPPORTS_HIGHMEM
P
Paul Burton 已提交
1524
	select CPU_SUPPORTS_MSA
1525
	select HAVE_KVM
1526
	help
1527
	  Choose this option to build a kernel for release 2 or later of the
1528 1529 1530 1531 1532
	  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.

S
Serge Semin 已提交
1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547
config CPU_MIPS32_R5
	bool "MIPS32 Release 5"
	depends on SYS_HAS_CPU_MIPS32_R5
	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 5 or later of the
	  MIPS32 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS32r5 processor. If you own an older
	  processor, you probably need to select MIPS32r1 or MIPS32r2 instead.

1548
config CPU_MIPS32_R6
1549
	bool "MIPS32 Release 6"
1550 1551
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
1552
	select CPU_NO_LOAD_STORE_LR
1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563
	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.

1564 1565
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1566
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1567
	select CPU_HAS_PREFETCH
1568 1569
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1570
	select CPU_SUPPORTS_HIGHMEM
1571
	select CPU_SUPPORTS_HUGEPAGES
1572 1573 1574 1575 1576 1577
	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
Ralf Baechle 已提交
1578 1579 1580 1581 1582 1583 1584
	  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"
1585
	depends on SYS_HAS_CPU_MIPS64_R2
R
Ralf Baechle 已提交
1586
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1587 1588
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1589
	select CPU_SUPPORTS_HIGHMEM
1590
	select CPU_SUPPORTS_HUGEPAGES
P
Paul Burton 已提交
1591
	select CPU_SUPPORTS_MSA
1592
	select HAVE_KVM
R
Ralf Baechle 已提交
1593 1594 1595 1596 1597 1598
	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
Linus Torvalds 已提交
1599

S
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1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616
config CPU_MIPS64_R5
	bool "MIPS64 Release 5"
	depends on SYS_HAS_CPU_MIPS64_R5
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	select CPU_SUPPORTS_MSA
	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
	select HAVE_KVM
	help
	  Choose this option to build a kernel for release 5 or later of the
	  MIPS64 architecture.  This is a intermediate MIPS architecture
	  release partly implementing release 6 features. Though there is no
	  any hardware known to be based on this release.

1617
config CPU_MIPS64_R6
1618
	bool "MIPS64 Release 6"
1619 1620
	depends on SYS_HAS_CPU_MIPS64_R6
	select CPU_HAS_PREFETCH
1621
	select CPU_NO_LOAD_STORE_LR
1622 1623 1624
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1625
	select CPU_SUPPORTS_HUGEPAGES
1626
	select CPU_SUPPORTS_MSA
1627
	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1628
	select HAVE_KVM
1629 1630 1631 1632 1633 1634
	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.

1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656
config CPU_P5600
	bool "MIPS Warrior P5600"
	depends on SYS_HAS_CPU_P5600
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
	select CPU_SUPPORTS_CPUFREQ
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select HAVE_KVM
	select MIPS_O32_FP64_SUPPORT
	help
	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
	  It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
	  MMU with two-levels TLB, UCA, MSA, MDU core level features and system
	  level features like up to six P5600 calculation cores, CM2 with L2
	  cache, IOCU/IOMMU (though might be unused depending on the system-
	  specific IP core configuration), GIC, CPC, virtualisation module,
	  eJTAG and PDtrace.

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config CPU_R3000
	bool "R3000"
1659
	depends on SYS_HAS_CPU_R3000
1660
	select CPU_HAS_WB
1661
	select CPU_R3K_TLB
1662
	select CPU_SUPPORTS_32BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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1664 1665 1666 1667 1668 1669 1670 1671 1672 1673
	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"
1674
	depends on SYS_HAS_CPU_TX39XX
1675
	select CPU_SUPPORTS_32BIT_KERNEL
1676
	select CPU_R3K_TLB
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config CPU_VR41XX
	bool "R41xx"
1680
	depends on SYS_HAS_CPU_VR41XX
1681 1682
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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1683
	help
1684
	  The options selects support for the NEC VR4100 series of processors.
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1685 1686 1687 1688 1689 1690
	  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_R4X00
	bool "R4x00"
1691
	depends on SYS_HAS_CPU_R4X00
1692 1693
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1694
	select CPU_SUPPORTS_HUGEPAGES
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1695 1696 1697 1698 1699 1700
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1701
	depends on SYS_HAS_CPU_TX49XX
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	select CPU_HAS_PREFETCH
1703 1704
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1705
	select CPU_SUPPORTS_HUGEPAGES
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1706 1707 1708

config CPU_R5000
	bool "R5000"
1709
	depends on SYS_HAS_CPU_R5000
1710 1711
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1712
	select CPU_SUPPORTS_HUGEPAGES
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1713 1714 1715
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

1716 1717 1718 1719 1720
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1721
	select CPU_SUPPORTS_HUGEPAGES
1722 1723 1724 1725
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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config CPU_NEVADA
	bool "RM52xx"
1728
	depends on SYS_HAS_CPU_NEVADA
1729 1730
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1731
	select CPU_SUPPORTS_HUGEPAGES
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1732 1733 1734 1735 1736
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R10000
	bool "R10000"
1737
	depends on SYS_HAS_CPU_R10000
1738
	select CPU_HAS_PREFETCH
1739 1740
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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1741
	select CPU_SUPPORTS_HIGHMEM
1742
	select CPU_SUPPORTS_HUGEPAGES
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1743 1744 1745 1746 1747
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1748
	depends on SYS_HAS_CPU_RM7000
1749
	select CPU_HAS_PREFETCH
1750 1751
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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1752
	select CPU_SUPPORTS_HIGHMEM
1753
	select CPU_SUPPORTS_HUGEPAGES
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1754 1755 1756

config CPU_SB1
	bool "SB1"
1757
	depends on SYS_HAS_CPU_SB1
1758 1759
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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1760
	select CPU_SUPPORTS_HIGHMEM
1761
	select CPU_SUPPORTS_HUGEPAGES
1762
	select WEAK_ORDERING
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1763

1764 1765
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1766
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1767 1768 1769 1770
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1771
	select CPU_SUPPORTS_HUGEPAGES
1772 1773
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1774
	select MIPS_L1_CACHE_SHIFT_7
1775
	select HAVE_KVM
1776 1777 1778 1779 1780 1781
	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.

1782 1783 1784 1785
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1786
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1787 1788 1789 1790 1791
	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
1792
	select IRQ_MIPS_CPU
1793 1794
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1795
	select CPU_SUPPORTS_HIGHMEM
1796
	select CPU_HAS_PREFETCH
1797 1798
	select CPU_SUPPORTS_CPUFREQ
	select MIPS_EXTERNAL_TIMER
1799
	help
1800
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1801

1802 1803 1804 1805 1806 1807
config CPU_XLR
	bool "Netlogic XLR SoC"
	depends on SYS_HAS_CPU_XLR
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1808
	select CPU_SUPPORTS_HUGEPAGES
1809 1810 1811 1812
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1813 1814 1815 1816 1817 1818 1819 1820 1821 1822

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
1823
	select CPU_MIPSR2
1824
	select CPU_SUPPORTS_HUGEPAGES
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1825
	select MIPS_ASID_BITS_VARIABLE
1826 1827
	help
	  Netlogic Microsystems XLP processors.
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1828 1829
endchoice

1830 1831 1832
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1833 1834
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
		   CPU_P5600
1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850
	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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1851 1852 1853
config CPU_MIPS32_R5_FEATURES
	bool "MIPS32 Release 5 Features"
	depends on SYS_HAS_CPU_MIPS32_R5
1854
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
S
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1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867
	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
1868
	select PHYS_ADDR_T_64BIT
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1869 1870 1871 1872 1873 1874 1875 1876 1877
	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.

1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904
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

1905 1906 1907 1908
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1909
	select HAVE_KERNEL_LZ4
1910
	select HAVE_KERNEL_LZMA
1911
	select HAVE_KERNEL_LZO
1912
	select HAVE_KERNEL_XZ
1913 1914 1915 1916 1917

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1918 1919 1920 1921
config SYS_SUPPORTS_ZBOOT_UART_PROM
	bool
	select SYS_SUPPORTS_ZBOOT

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config CPU_LOONGSON2EF
1923 1924 1925 1926
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1927
	select CPU_SUPPORTS_HUGEPAGES
1928
	select ARCH_HAS_PHYS_TO_DMA
1929

1930
config CPU_LOONGSON32
1931 1932
	bool
	select CPU_MIPS32
1933
	select CPU_MIPSR2
1934 1935 1936
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1937
	select CPU_SUPPORTS_CPUFREQ
1938

1939
config CPU_BMIPS32_3300
1940
	select SMP_UP if SMP
1941
	bool
1942 1943 1944 1945 1946 1947 1948 1949

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1950
	select MIPS_L1_CACHE_SHIFT_6
1951 1952
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1953
	select CPU_HAS_RIXI
1954 1955 1956 1957

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1958
	select MIPS_L1_CACHE_SHIFT_7
1959 1960
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1961
	select CPU_HAS_RIXI
1962

J
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1963
config SYS_HAS_CPU_LOONGSON64
1964 1965
	bool
	select CPU_SUPPORTS_CPUFREQ
1966
	select CPU_HAS_RIXI
1967

1968
config SYS_HAS_CPU_LOONGSON2E
1969 1970
	bool

1971 1972
config SYS_HAS_CPU_LOONGSON2F
	bool
1973 1974
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1975

1976 1977 1978
config SYS_HAS_CPU_LOONGSON1B
	bool

Y
Yang Ling 已提交
1979 1980 1981
config SYS_HAS_CPU_LOONGSON1C
	bool

1982 1983 1984 1985 1986 1987
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1988 1989 1990
config SYS_HAS_CPU_MIPS32_R3_5
	bool

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1991 1992
config SYS_HAS_CPU_MIPS32_R5
	bool
1993
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
S
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1994

1995 1996
config SYS_HAS_CPU_MIPS32_R6
	bool
1997
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1998

1999 2000 2001 2002 2003 2004
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

2005 2006
config SYS_HAS_CPU_MIPS64_R6
	bool
2007
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2008

2009 2010 2011 2012
config SYS_HAS_CPU_P5600
	bool
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT

2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
config SYS_HAS_CPU_R3000
	bool

config SYS_HAS_CPU_TX39XX
	bool

config SYS_HAS_CPU_VR41XX
	bool

config SYS_HAS_CPU_R4X00
	bool

config SYS_HAS_CPU_TX49XX
	bool

config SYS_HAS_CPU_R5000
	bool

2031 2032 2033
config SYS_HAS_CPU_R5500
	bool

2034 2035 2036 2037 2038
config SYS_HAS_CPU_NEVADA
	bool

config SYS_HAS_CPU_R10000
	bool
2039
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2040 2041 2042 2043 2044 2045 2046

config SYS_HAS_CPU_RM7000
	bool

config SYS_HAS_CPU_SB1
	bool

2047 2048 2049
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

2050
config SYS_HAS_CPU_BMIPS
2051 2052
	bool

2053
config SYS_HAS_CPU_BMIPS32_3300
2054
	bool
2055
	select SYS_HAS_CPU_BMIPS
2056 2057 2058

config SYS_HAS_CPU_BMIPS4350
	bool
2059
	select SYS_HAS_CPU_BMIPS
2060 2061 2062

config SYS_HAS_CPU_BMIPS4380
	bool
2063
	select SYS_HAS_CPU_BMIPS
2064 2065 2066

config SYS_HAS_CPU_BMIPS5000
	bool
2067
	select SYS_HAS_CPU_BMIPS
2068
	select ARCH_HAS_SYNC_DMA_FOR_CPU
2069

2070 2071 2072
config SYS_HAS_CPU_XLR
	bool

2073 2074 2075
config SYS_HAS_CPU_XLP
	bool

2076 2077 2078 2079
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
2080 2081
config WEAK_ORDERING
	bool
2082 2083 2084 2085 2086 2087 2088

#
# 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
2089 2090 2091
endmenu

#
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Chris Dearman 已提交
2092
# These two indicate any level of the MIPS32 and MIPS64 architecture
2093 2094 2095
#
config CPU_MIPS32
	bool
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2096
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
2097
		     CPU_MIPS32_R6 || CPU_P5600
2098 2099 2100

config CPU_MIPS64
	bool
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2101 2102
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
		     CPU_MIPS64_R6
2103 2104

#
2105
# These indicate the revision of the architecture
2106 2107 2108 2109 2110 2111 2112
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
2113
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2114
	select CPU_HAS_RIXI
2115
	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2116
	select MIPS_SPRAM
2117

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2118 2119
config CPU_MIPSR5
	bool
2120
	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
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2121 2122 2123 2124
	select CPU_HAS_RIXI
	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
	select MIPS_SPRAM

2125 2126 2127
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2128
	select CPU_HAS_RIXI
2129
	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2130
	select HAVE_ARCH_BITREVERSE
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2131
	select MIPS_ASID_BITS_VARIABLE
2132
	select MIPS_CRC_SUPPORT
2133
	select MIPS_SPRAM
2134

2135 2136 2137 2138
config TARGET_ISA_REV
	int
	default 1 if CPU_MIPSR1
	default 2 if CPU_MIPSR2
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2139
	default 5 if CPU_MIPSR5
2140 2141 2142 2143 2144 2145
	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.

2146 2147 2148
config EVA
	bool

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2149 2150 2151
config XPA
	bool

2152 2153 2154 2155 2156 2157 2158 2159
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
2160 2161 2162 2163
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
2164 2165
config CPU_SUPPORTS_HUGEPAGES
	bool
2166
	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2167 2168
config MIPS_PGD_C0_CONTEXT
	bool
2169
	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2170

2171 2172 2173 2174
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
2175 2176
	bool
	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2177

2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193
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.
2194

2195 2196 2197 2198 2199 2200 2201 2202
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

2203 2204
config KVM_GUEST
	bool "KVM Guest Kernel"
2205
	depends on BROKEN_ON_SMP
2206
	help
2207 2208
	  Select this option if building a guest kernel for KVM (Trap & Emulate)
	  mode.
2209

2210 2211
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
2212
	depends on KVM_GUEST
2213
	default 100
2214
	help
2215 2216 2217
	  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.
2218

2219 2220 2221 2222
config MIPS_VA_BITS_48
	bool "48 bits virtual memory"
	depends on 64BIT
	help
2223 2224 2225 2226 2227 2228 2229
	  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.

2230 2231
	  If unsure, say N.

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
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	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
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	help
2240 2241 2242 2243
	  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.
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config PAGE_SIZE_8KB
	bool "8kB"
2247
	depends on CPU_CAVIUM_OCTEON
2248
	depends on !MIPS_VA_BITS_48
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	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
2252 2253
	  only on cnMIPS processors.  Note that you will need a suitable Linux
	  distribution to support this.
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config PAGE_SIZE_16KB
	bool "16kB"
2257
	depends on !CPU_R3000 && !CPU_TX39XX
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	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
2261 2262
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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2264 2265 2266
config PAGE_SIZE_32KB
	bool "32kB"
	depends on CPU_CAVIUM_OCTEON
2267
	depends on !MIPS_VA_BITS_48
2268 2269 2270 2271 2272 2273
	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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	depends on !CPU_R3000 && !CPU_TX39XX
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	help
	  Using 64kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
	  all non-R3000 family processor.  Not that at the time of this
2281
	  writing this option is still high experimental.
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endchoice

2285 2286
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
2287 2288 2289 2290 2291 2292
	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
2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308
	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

2316 2317 2318 2319 2320 2321 2322
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

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2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339
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
2340
	bool
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2341

2342 2343
config CPU_GENERIC_DUMP_TLB
	bool
2344
	default y if !(CPU_R3000 || CPU_TX39XX)
2345

2346
config MIPS_FP_SUPPORT
2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359
	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.
2360

2361 2362
config CPU_R2300_FPU
	bool
2363
	depends on MIPS_FP_SUPPORT
2364 2365
	default y if CPU_R3000 || CPU_TX39XX

2366 2367 2368
config CPU_R3K_TLB
	bool

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config CPU_R4K_FPU
	bool
2371
	depends on MIPS_FP_SUPPORT
2372
	default y if !CPU_R2300_FPU
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2374 2375
config CPU_R4K_CACHE_TLB
	bool
2376
	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2377

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config MIPS_MT_SMP
2379
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2380
	default y
2381
	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2382
	select CPU_MIPSR2_IRQ_VI
2383
	select CPU_MIPSR2_IRQ_EI
2384
	select SYNC_R4K
2385
	select MIPS_MT
2386
	select SMP
2387
	select SMP_UP
2388 2389
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2390
	select MIPS_PERF_SHARED_TC_COUNTERS
2391
	help
2392 2393 2394 2395 2396
	  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>.
2397

2398 2399 2400
config MIPS_MT
	bool

2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412
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

2413 2414 2415
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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2419
	depends on MIPS_MT_SMP
2420

2421 2422
config MIPSR2_TO_R6_EMULATOR
	bool "MIPS R2-to-R6 emulator"
2423
	depends on CPU_MIPSR6
2424
	depends on MIPS_FP_SUPPORT
2425 2426 2427 2428
	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
2429
	  default. You can enable it using the 'mipsr2emu' kernel option.
2430 2431 2432
	  The only reason this is a build-time option is to save ~14K from the
	  final kernel image.

2433 2434 2435 2436 2437 2438 2439
config SYS_SUPPORTS_VPE_LOADER
	bool
	depends on SYS_SUPPORTS_MULTITHREADING
	help
	  Indicates that the platform supports the VPE loader, and provides
	  physical_memsize.

2440 2441
config MIPS_VPE_LOADER
	bool "VPE loader support."
2442
	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2443 2444 2445 2446 2447 2448
	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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2450 2451 2452 2453 2454
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2455 2456 2457 2458 2459
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470
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
2471 2472
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
2473

2474 2475 2476 2477 2478
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2479 2480 2481 2482 2483
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2484
config MIPS_CMP
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2485
	bool "MIPS CMP framework support (DEPRECATED)"
2486
	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2487
	select SMP
2488
	select SYNC_R4K
2489
	select SYS_SUPPORTS_SMP
2490 2491 2492
	select WEAK_ORDERING
	default n
	help
2493 2494 2495
	  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.
2496

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2497 2498 2499
	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
	  instead of this.

2500 2501
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
2502
	depends on SYS_SUPPORTS_MIPS_CPS
2503
	select MIPS_CM
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	select MIPS_CPS_PM if HOTPLUG_CPU
2505 2506
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2508
	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2509 2510 2511 2512 2513 2514 2515 2516 2517
	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.

2518
config MIPS_CPS_PM
2519
	depends on MIPS_CPS
2520 2521
	bool

2522 2523
config MIPS_CM
	bool
2524
	select MIPS_CPC
2525

2526 2527
config MIPS_CPC
	bool
2528

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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

2539 2540 2541 2542 2543 2544 2545 2546
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

2547 2548
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2549
	bool "SmartMIPS"
2550 2551 2552 2553 2554 2555 2556 2557 2558
	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.

2559
config CPU_MICROMIPS
2560
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2561
	bool "microMIPS"
2562 2563 2564 2565
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2566 2567
endchoice

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2568
config CPU_HAS_MSA
2569
	bool "Support for the MIPS SIMD Architecture"
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2570
	depends on CPU_SUPPORTS_MSA
2571
	depends on MIPS_FP_SUPPORT
2572
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
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2573 2574 2575
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2576 2577 2578 2579 2580
	  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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2581 2582 2583

	  If unsure, say Y.

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config CPU_HAS_WB
2585
	bool
2586

2587 2588 2589
config XKS01
	bool

2590 2591 2592 2593 2594 2595 2596
config CPU_HAS_DIEI
	depends on !CPU_DIEI_BROKEN
	bool

config CPU_DIEI_BROKEN
	bool

2597 2598 2599
config CPU_HAS_RIXI
	bool

2600
config CPU_NO_LOAD_STORE_LR
2601 2602
	bool
	help
2603
	  CPU lacks support for unaligned load and store instructions:
2604
	  LWL, LWR, SWL, SWR (Load/store word left/right).
2605 2606
	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
	  systems).
2607

2608 2609 2610
#
# Vectored interrupt mode is an R2 feature
#
2611
config CPU_MIPSR2_IRQ_VI
2612
	bool
2613

2614 2615 2616
#
# Extended interrupt mode is an R2 feature
#
2617
config CPU_MIPSR2_IRQ_EI
2618
	bool
2619

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2620 2621 2622 2623 2624
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	bool

2638 2639 2640 2641
config CPU_R4X00_BUGS64
	bool
	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)

2642 2643 2644 2645 2646 2647 2648
config MIPS_ASID_SHIFT
	int
	default 6 if CPU_R3000 || CPU_TX39XX
	default 0

config MIPS_ASID_BITS
	int
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2649
	default 0 if MIPS_ASID_BITS_VARIABLE
2650 2651 2652
	default 6 if CPU_R3000 || CPU_TX39XX
	default 8

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2653 2654 2655
config MIPS_ASID_BITS_VARIABLE
	bool

2656 2657 2658
config MIPS_CRC_SUPPORT
	bool

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2659 2660 2661 2662 2663 2664 2665 2666 2667
#
# - 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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2671 2672 2673
#
config HIGHMEM
	bool "High Memory Support"
2674
	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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2681

2682 2683 2684
config SYS_SUPPORTS_SMARTMIPS
	bool

2685 2686 2687
config SYS_SUPPORTS_MICROMIPS
	bool

2688 2689 2690 2691 2692 2693 2694
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

2698 2699
config ARCH_FLATMEM_ENABLE
	def_bool y
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2700
	depends on !NUMA && !CPU_LOONGSON2EF
2701

2702 2703
config ARCH_SPARSEMEM_ENABLE
	bool
2704
	select SPARSEMEM_STATIC if !SGI_IP27
2705

2706 2707 2708 2709 2710 2711 2712
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
2713
	  leave it disabled; on single node systems leave this option
2714 2715 2716 2717 2718
	  disabled.

config SYS_SUPPORTS_NUMA
	bool

2719 2720 2721 2722 2723 2724 2725 2726
config HAVE_SETUP_PER_CPU_AREA
	def_bool y
	depends on NUMA

config NEED_PER_CPU_EMBED_FIRST_CHUNK
	def_bool y
	depends on NUMA

2727 2728
config RELOCATABLE
	bool "Relocatable kernel"
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2729 2730 2731 2732
	depends on SYS_SUPPORTS_RELOCATABLE
	depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
		   CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
		   CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2733
		   CPU_P5600 || CAVIUM_OCTEON_SOC
2734 2735 2736 2737 2738 2739
	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

2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755
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.

2756 2757 2758 2759
config RANDOMIZE_BASE
	bool "Randomize the address of the kernel image"
	depends on RELOCATABLE
	---help---
2760 2761 2762 2763
	  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.
2764

2765
	  Entropy is generated using any coprocessor 0 registers available.
2766

2767
	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2768

2769
	  If unsure, say N.
2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785

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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Yasunori Goto 已提交
2786 2787 2788 2789 2790
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2791 2792
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
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2793
	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2794 2795 2796 2797 2798
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809
config DMI
	bool "Enable DMI scanning"
	depends on MACH_LOONGSON64
	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
	default y
	help
	  Enabled scanning of DMI to identify machine quirks. Say Y
	  here unless you have verified that your setup is not
	  affected by entries in the DMI blacklist. Required by PNP
	  BIOS code.

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2810 2811
config SMP
	bool "Multi-Processing support"
2812 2813
	depends on SYS_SUPPORTS_SMP
	help
L
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2814
	  This enables support for systems with more than one CPU. If you have
2815 2816
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
L
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2817

2818
	  If you say N here, the kernel will run on uni- and multiprocessor
L
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2819 2820
	  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,
2821
	  uniprocessor machines. On a uniprocessor machine, the kernel
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2822 2823 2824 2825 2826
	  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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2827 2828
	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
L
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2829 2830 2831

	  If you don't know what to do here, say N.

2832 2833 2834 2835 2836 2837 2838 2839 2840 2841
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.

2842 2843 2844
config SMP_UP
	bool

2845 2846 2847
config SYS_SUPPORTS_MIPS_CMP
	bool

2848 2849 2850
config SYS_SUPPORTS_MIPS_CPS
	bool

2851 2852 2853
config SYS_SUPPORTS_SMP
	bool

2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868
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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Linus Torvalds 已提交
2869
config NR_CPUS
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2870 2871
	int "Maximum number of CPUs (2-256)"
	range 2 256
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2872
	depends on SMP
2873 2874 2875 2876 2877
	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
L
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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
2882 2883
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
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2884 2885

	  This is purely to save memory - each supported CPU adds
2886 2887 2888
	  approximately eight kilobytes to the kernel image.  For best
	  performance should round up your number of processors to the next
	  power of two.
L
Linus Torvalds 已提交
2889

2890 2891
config MIPS_PERF_SHARED_TC_COUNTERS
	bool
2892 2893 2894 2895 2896 2897 2898 2899 2900

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
2901

2902 2903 2904 2905 2906 2907 2908 2909
#
# Timer Interrupt Frequency Configuration
#

choice
	prompt "Timer frequency"
	default HZ_250
	help
2910
	  Allows the configuration of the timer frequency.
2911

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2912 2913 2914
	config HZ_24
		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ

2915
	config HZ_48
2916
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937

	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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2938 2939 2940
config SYS_SUPPORTS_24HZ
	bool

2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963
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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2964 2965 2966 2967 2968 2969 2970
	default y if !SYS_SUPPORTS_24HZ && \
		     !SYS_SUPPORTS_48HZ && \
		     !SYS_SUPPORTS_100HZ && \
		     !SYS_SUPPORTS_128HZ && \
		     !SYS_SUPPORTS_250HZ && \
		     !SYS_SUPPORTS_256HZ && \
		     !SYS_SUPPORTS_1000HZ && \
2971 2972 2973 2974
		     !SYS_SUPPORTS_1024HZ

config HZ
	int
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2975
	default 24 if HZ_24
2976 2977 2978 2979 2980 2981 2982 2983
	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
2984 2985 2986
config SCHED_HRTICK
	def_bool HIGH_RES_TIMERS

2987
config KEXEC
2988
	bool "Kexec system call"
2989
	select KEXEC_CORE
2990 2991 2992
	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
2993
	  but it is independent of the system firmware.   And like a reboot
2994 2995
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
2996
	  The name comes from the similarity to the exec system call.
2997 2998 2999

	  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
3000 3001 3002
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
3003

R
Ralf Baechle 已提交
3004
config CRASH_DUMP
3005 3006
	bool "Kernel crash dumps"
	help
R
Ralf Baechle 已提交
3007 3008 3009 3010 3011 3012 3013 3014 3015
	  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
3016
	hex "Physical address where the kernel is loaded"
3017
	default "0xffffffff84000000"
3018 3019
	depends on CRASH_DUMP
	help
R
Ralf Baechle 已提交
3020 3021 3022 3023 3024 3025
	  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).

3026 3027
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
3028
	depends on PROC_FS
3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042
	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.

3043
config MIPS_O32_FP64_SUPPORT
3044
	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056
	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.

3057 3058 3059 3060 3061 3062 3063 3064
	  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.
3065

3066
config USE_OF
3067
	bool
3068
	select OF
3069
	select OF_EARLY_FLATTREE
3070
	select IRQ_DOMAIN
3071

3072 3073 3074
config UHI_BOOT
	bool

3075 3076 3077
config BUILTIN_DTB
	bool

3078
choice
3079
	prompt "Kernel appended dtb support" if USE_OF
3080 3081 3082 3083 3084 3085 3086
	default MIPS_NO_APPENDED_DTB

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

3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100
	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.

3101
	config MIPS_RAW_APPENDED_DTB
3102
		bool "vmlinux.bin or vmlinuz.bin"
3103 3104
		help
		  With this option, the boot code will look for a device tree binary
3105
		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118
		  (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

3119 3120
choice
	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
J
Jonas Gorski 已提交
3121
	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
J
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3122
					 !MACH_LOONGSON64 && !MIPS_MALTA && \
J
Jonas Gorski 已提交
3123
					 !CAVIUM_OCTEON_SOC
3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135
	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"
3136 3137 3138 3139

	config MIPS_CMDLINE_BUILTIN_EXTEND
		depends on CMDLINE_BOOL
		bool "Extend builtin kernel arguments with bootloader arguments"
3140 3141
endchoice

3142 3143
endmenu

3144 3145 3146 3147 3148 3149 3150 3151
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

3152 3153
config PGTABLE_LEVELS
	int
3154
	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3155 3156 3157
	default 3 if 64BIT && !PAGE_SIZE_64KB
	default 2

3158 3159 3160
config MIPS_AUTO_PFN_OFFSET
	bool

L
Linus Torvalds 已提交
3161 3162
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

3163
config PCI_DRIVERS_GENERIC
3164
	select PCI_DOMAINS_GENERIC if PCI
3165 3166 3167 3168 3169
	bool

config PCI_DRIVERS_LEGACY
	def_bool !PCI_DRIVERS_GENERIC
	select NO_GENERIC_PCI_IOPORT_MAP
3170
	select PCI_DOMAINS if PCI
L
Linus Torvalds 已提交
3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183

#
# 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
3184 3185 3186 3187 3188 3189 3190 3191
	  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
3192 3193 3194 3195 3196

config MMU
	bool
	default y

3197 3198 3199 3200 3201 3202 3203 3204 3205
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
3206
	default 8
3207 3208

config ARCH_MMAP_RND_COMPAT_BITS_MAX
3209
	default 15
3210

3211 3212
config I8253
	bool
3213
	select CLKSRC_I8253
3214
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
3215
	select MIPS_EXTERNAL_TIMER
3216

3217 3218 3219
config ZONE_DMA
	bool

3220 3221 3222
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
3223 3224 3225 3226 3227 3228
endmenu

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
3229
	bool
L
Linus Torvalds 已提交
3230 3231 3232 3233

config COMPAT
	bool

3234 3235 3236
config SYSVIPC_COMPAT
	bool

L
Linus Torvalds 已提交
3237 3238
config MIPS32_O32
	bool "Kernel support for o32 binaries"
3239 3240 3241 3242 3243
	depends on 64BIT
	select ARCH_WANT_OLD_COMPAT_IPC
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
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3244 3245 3246 3247 3248 3249 3250 3251 3252
	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"
3253
	depends on 64BIT
3254
	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3255 3256 3257
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268
	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
3269
	select ELFCORE
L
Linus Torvalds 已提交
3270

3271 3272
menu "Power management options"

W
Wu Zhangjin 已提交
3273 3274
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
3275
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
3276

J
Johannes Berg 已提交
3277 3278
config ARCH_SUSPEND_POSSIBLE
	def_bool y
3279
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
3280

3281
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
3282

L
Linus Torvalds 已提交
3283 3284
endmenu

3285 3286 3287 3288
config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
P
Paul Burton 已提交
3289 3290

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3291 3292
source "drivers/cpufreq/Kconfig"
endif
W
Wu Zhangjin 已提交
3293

P
Paul Burton 已提交
3294 3295 3296 3297
source "drivers/cpuidle/Kconfig"

endmenu

3298 3299
source "drivers/firmware/Kconfig"

3300
source "arch/mips/kvm/Kconfig"
3301 3302

source "arch/mips/vdso/Kconfig"