Kconfig 85.4 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_HAS_GCOV_PROFILE_ALL
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	select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL
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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_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_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_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 PCI_MSI_ARCH_FALLBACKS if PCI_MSI
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	select RTC_LIB
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	select SET_FS
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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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config MIPS_GENERIC
	bool

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config MACH_INGENIC
	bool
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_ZBOOT
	select DMA_NONCOHERENT
	select IRQ_MIPS_CPU
	select PINCTRL
	select GPIOLIB
	select COMMON_CLK
	select GENERIC_IRQ_CHIP
	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
	select USE_OF
	select CPU_SUPPORTS_CPUFREQ
	select MIPS_EXTERNAL_TIMER

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menu "Machine selection"

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choice
	prompt "System type"
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	default MIPS_GENERIC_KERNEL
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config MIPS_GENERIC_KERNEL
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	bool "Generic board-agnostic MIPS kernel"
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	select MIPS_GENERIC
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	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 SYS_SUPPORTS_ZBOOT
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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_LEGACY_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 COMMON_CLK
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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_RESET_CONTROLLER
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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 MIPS_L1_CACHE_SHIFT_4
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	select CLKDEV_LOOKUP
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	select HAVE_LEGACY_CLK
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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 DMA_OPS
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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_SOC
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	bool "Ingenic SoC based machines"
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	select MIPS_GENERIC
	select MACH_INGENIC
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	select SYS_SUPPORTS_ZBOOT_UART16550
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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 HAVE_LEGACY_CLK
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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 NO_EXCEPT_FILL
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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 SYS_SUPPORTS_RELOCATABLE
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	select ZONE_DMA32
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	select COMMON_CLK
	select USE_OF
	select BUILTIN_DTB
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	select PCI_HOST_GENERIC
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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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Matt Redfearn 已提交
527
	select SYS_SUPPORTS_RELOCATABLE
528
	select SYS_SUPPORTS_ZBOOT
529 530
	select SYS_HAS_EARLY_PRINTK
	select USE_GENERIC_EARLY_PRINTK_8250
531 532 533 534
	select USE_OF
	help
	  This enables support for the IMG Pistachio SoC platform.

L
Linus Torvalds 已提交
535
config MIPS_MALTA
536
	bool "MIPS Malta board"
537
	select ARCH_MAY_HAVE_PC_FDC
538
	select ARCH_MIGHT_HAVE_PC_PARPORT
539
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
540
	select BOOT_ELF32
541
	select BOOT_RAW
P
Paul Burton 已提交
542
	select BUILTIN_DTB
543
	select CEVT_R4K
544
	select CLKSRC_MIPS_GIC
545
	select COMMON_CLK
546
	select CSRC_R4K
547
	select DMA_MAYBE_COHERENT
L
Linus Torvalds 已提交
548
	select GENERIC_ISA_DMA
549
	select HAVE_PCSPKR_PLATFORM
550
	select HAVE_PCI
551
	select I8253
L
Linus Torvalds 已提交
552
	select I8259
553
	select IRQ_MIPS_CPU
554
	select MIPS_BONITO64
555
	select MIPS_CPU_SCACHE
556
	select MIPS_GIC
557
	select MIPS_L1_CACHE_SHIFT_6
558
	select MIPS_MSC
559
	select PCI_GT64XXX_PCI0
560
	select SMP_UP if SMP
L
Linus Torvalds 已提交
561
	select SWAP_IO_SPACE
562 563
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
564
	select SYS_HAS_CPU_MIPS32_R3_5
S
Steven J. Hill 已提交
565
	select SYS_HAS_CPU_MIPS32_R5
566
	select SYS_HAS_CPU_MIPS32_R6
567
	select SYS_HAS_CPU_MIPS64_R1
568
	select SYS_HAS_CPU_MIPS64_R2
569
	select SYS_HAS_CPU_MIPS64_R6
570 571
	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
572 573
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
574
	select SYS_SUPPORTS_BIG_ENDIAN
S
Steven J. Hill 已提交
575
	select SYS_SUPPORTS_HIGHMEM
576
	select SYS_SUPPORTS_LITTLE_ENDIAN
577
	select SYS_SUPPORTS_MICROMIPS
578
	select SYS_SUPPORTS_MIPS16
T
Tim Anderson 已提交
579
	select SYS_SUPPORTS_MIPS_CMP
580
	select SYS_SUPPORTS_MIPS_CPS
581
	select SYS_SUPPORTS_MULTITHREADING
582
	select SYS_SUPPORTS_RELOCATABLE
583
	select SYS_SUPPORTS_SMARTMIPS
584
	select SYS_SUPPORTS_VPE_LOADER
585
	select SYS_SUPPORTS_ZBOOT
P
Paul Burton 已提交
586
	select USE_OF
587
	select WAR_ICACHE_REFILLS
588
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
589
	help
590
	  This enables support for the MIPS Technologies Malta evaluation
L
Linus Torvalds 已提交
591 592
	  board.

593 594 595 596 597 598 599 600
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.

601
config MACH_VR41XX
602
	bool "NEC VR4100 series based machines"
603
	select CEVT_R4K
604
	select CSRC_R4K
605
	select SYS_HAS_CPU_VR41XX
606
	select SYS_SUPPORTS_MIPS16
607
	select GPIOLIB
608

J
John Crispin 已提交
609 610 611 612 613 614
config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
615
	select IRQ_MIPS_CPU
J
John Crispin 已提交
616 617 618 619 620
	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
621
	select SYS_SUPPORTS_MIPS16
C
Chuanhong Guo 已提交
622
	select SYS_SUPPORTS_ZBOOT
J
John Crispin 已提交
623 624
	select SYS_HAS_EARLY_PRINTK
	select CLKDEV_LOOKUP
625 626
	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
J
John Crispin 已提交
627

L
Linus Torvalds 已提交
628
config SGI_IP22
629
	bool "SGI IP22 (Indy/Indigo2)"
630
	select ARC_MEMORY
631
	select ARC_PROMLIB
632 633
	select FW_ARC
	select FW_ARC32
634
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
635
	select BOOT_ELF32
636
	select CEVT_R4K
637
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
638
	select DEFAULT_SGI_PARTITION
L
Linus Torvalds 已提交
639
	select DMA_NONCOHERENT
640
	select HAVE_EISA
641
	select I8253
642
	select I8259
L
Linus Torvalds 已提交
643
	select IP22_CPU_SCACHE
644
	select IRQ_MIPS_CPU
645
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
646 647
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
648
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
649 650 651
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
652
	select SWAP_IO_SPACE
653 654
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
655
	select SYS_HAS_EARLY_PRINTK
656 657
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
658
	select SYS_SUPPORTS_BIG_ENDIAN
659
	select WAR_R4600_V1_INDEX_ICACHEOP
660
	select WAR_R4600_V1_HIT_CACHEOP
661
	select WAR_R4600_V2_HIT_CACHEOP
662
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
663 664 665 666 667 668
	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
669
	bool "SGI IP27 (Origin200/2000)"
670
	select ARCH_HAS_PHYS_TO_DMA
671
	select ARCH_SPARSEMEM_ENABLE
672 673
	select FW_ARC
	select FW_ARC64
674
	select ARC_CMDLINE_ONLY
675
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
676
	select DEFAULT_SGI_PARTITION
677
	select SYS_HAS_EARLY_PRINTK
678
	select HAVE_PCI
679
	select IRQ_MIPS_CPU
680
	select IRQ_DOMAIN_HIERARCHY
681
	select NR_CPUS_DEFAULT_64
682 683
	select PCI_DRIVERS_GENERIC
	select PCI_XTALK_BRIDGE
684
	select SYS_HAS_CPU_R10000
685
	select SYS_SUPPORTS_64BIT_KERNEL
686
	select SYS_SUPPORTS_BIG_ENDIAN
687
	select SYS_SUPPORTS_NUMA
688
	select SYS_SUPPORTS_SMP
689
	select WAR_R10000_LLSC
690
	select MIPS_L1_CACHE_SHIFT_7
691
	select NUMA
L
Linus Torvalds 已提交
692 693 694 695 696
	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
697
config SGI_IP28
698
	bool "SGI IP28 (Indigo2 R10k)"
699
	select ARC_MEMORY
700
	select ARC_PROMLIB
701 702
	select FW_ARC
	select FW_ARC64
703
	select ARCH_MIGHT_HAVE_PC_SERIO
T
Thomas Bogendoerfer 已提交
704 705 706 707 708 709
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
710
	select IRQ_MIPS_CPU
711
	select HAVE_EISA
T
Thomas Bogendoerfer 已提交
712 713 714 715
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
716
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
717 718 719 720 721
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
722
	select SYS_HAS_EARLY_PRINTK
T
Thomas Bogendoerfer 已提交
723 724
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
725
	select WAR_R10000_LLSC
726
	select MIPS_L1_CACHE_SHIFT_7
727 728 729
	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
730

731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751
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
752
	select WAR_R10000_LLSC
753 754 755 756 757 758
	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
759
config SGI_IP32
760
	bool "SGI IP32 (O2)"
761 762
	select ARC_MEMORY
	select ARC_PROMLIB
763
	select ARCH_HAS_PHYS_TO_DMA
764 765
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
766
	select BOOT_ELF32
767
	select CEVT_R4K
768
	select CSRC_R4K
L
Linus Torvalds 已提交
769
	select DMA_NONCOHERENT
770
	select HAVE_PCI
771
	select IRQ_MIPS_CPU
L
Linus Torvalds 已提交
772 773
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
774 775 776
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
777
	select SYS_HAS_CPU_NEVADA
778
	select SYS_SUPPORTS_64BIT_KERNEL
779
	select SYS_SUPPORTS_BIG_ENDIAN
780
	select WAR_ICACHE_REFILLS
781
	help
782
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
783

784 785
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
786
	select BOOT_ELF32
787
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
788
	select SWAP_IO_SPACE
789
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
790 791 792
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

793 794
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
795
	select BOOT_ELF32
796
	select SIBYTE_BCM1120
797
	select SWAP_IO_SPACE
798
	select SYS_HAS_CPU_SB1
799
	select SYS_SUPPORTS_BIG_ENDIAN
800
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
801

802 803
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
804
	select BOOT_ELF32
805
	select SIBYTE_BCM1125
806
	select SWAP_IO_SPACE
807
	select SYS_HAS_CPU_SB1
808
	select SYS_SUPPORTS_BIG_ENDIAN
809
	select SYS_SUPPORTS_HIGHMEM
810
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
811

812
config SIBYTE_RHONE
813
	bool "Sibyte BCM91125E-Rhone"
814 815 816
	select BOOT_ELF32
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
817
	select SYS_HAS_CPU_SB1
818 819
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
820

821 822
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
823
	select BOOT_ELF32
824
	select HAVE_PATA_PLATFORM
825
	select SIBYTE_SB1250
826
	select SWAP_IO_SPACE
827
	select SYS_HAS_CPU_SB1
828
	select SYS_SUPPORTS_BIG_ENDIAN
829
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
830
	select SYS_SUPPORTS_LITTLE_ENDIAN
831
	select ZONE_DMA32 if 64BIT
832
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
P
Pete Popov 已提交
833

834 835
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
836
	select BOOT_ELF32
837
	select HAVE_PATA_PLATFORM
838 839
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
840
	select SYS_HAS_CPU_SB1
841 842 843
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
844
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
845

846 847
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
848 849 850
	select BOOT_ELF32
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
851
	select SYS_HAS_CPU_SB1
852 853
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
854
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
L
Linus Torvalds 已提交
855

856 857
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
858
	select BOOT_ELF32
859 860
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
861
	select SWAP_IO_SPACE
862
	select SYS_HAS_CPU_SB1
863
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
864
	select SYS_SUPPORTS_HIGHMEM
865
	select SYS_SUPPORTS_LITTLE_ENDIAN
866
	select ZONE_DMA32 if 64BIT
867
	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
L
Linus Torvalds 已提交
868

869 870
config SNI_RM
	bool "SNI RM200/300/400"
871 872
	select ARC_MEMORY
	select ARC_PROMLIB
873 874
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
875
	select FW_SNIPROM if CPU_BIG_ENDIAN
876
	select ARCH_MAY_HAVE_PC_FDC
877
	select ARCH_MIGHT_HAVE_PC_PARPORT
878
	select ARCH_MIGHT_HAVE_PC_SERIO
L
Linus Torvalds 已提交
879
	select BOOT_ELF32
880
	select CEVT_R4K
881
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
882
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
883 884
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
885
	select HAVE_EISA
886
	select HAVE_PCSPKR_PLATFORM
887
	select HAVE_PCI
888
	select IRQ_MIPS_CPU
889
	select I8253
L
Linus Torvalds 已提交
890 891
	select I8259
	select ISA
892
	select MIPS_L1_CACHE_SHIFT_6
893
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
894
	select SYS_HAS_CPU_R4X00
895
	select SYS_HAS_CPU_R5000
896
	select SYS_HAS_CPU_R10000
897
	select R5000_CPU_SCACHE
898
	select SYS_HAS_EARLY_PRINTK
899
	select SYS_SUPPORTS_32BIT_KERNEL
900
	select SYS_SUPPORTS_64BIT_KERNEL
901
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
902
	select SYS_SUPPORTS_HIGHMEM
903
	select SYS_SUPPORTS_LITTLE_ENDIAN
904
	select WAR_R4600_V2_HIT_CACHEOP
L
Linus Torvalds 已提交
905
	help
906 907
	  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
908 909 910
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

911 912
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
913

914 915
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
916
	select WAR_TX49XX_ICACHE_INDEX_INV
917

918 919 920 921 922
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
923
	select HAVE_PCI
924
	select IRQ_MIPS_CPU
925 926 927 928 929
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
930
	select GPIOLIB
931
	select MIPS_L1_CACHE_SHIFT_4
932 933 934 935
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

936 937
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
938
	select CEVT_R4K
939
	select ARCH_HAS_PHYS_TO_DMA
940
	select HAVE_RAPIDIO
941
	select PHYS_ADDR_T_64BIT
942 943
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
944
	select EDAC_SUPPORT
945
	select EDAC_ATOMIC_SCRUB
946 947
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
948
	select SYS_HAS_EARLY_PRINTK
949
	select SYS_HAS_CPU_CAVIUM_OCTEON
950
	select HAVE_PCI
951 952 953
	select HAVE_PLAT_DELAY
	select HAVE_PLAT_FW_INIT_CMDLINE
	select HAVE_PLAT_MEMCPY
D
David Daney 已提交
954
	select ZONE_DMA32
955
	select HOLES_IN_ZONE
956
	select GPIOLIB
957 958 959
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
960 961
	select NR_CPUS_DEFAULT_64
	select MIPS_NR_CPU_NR_MAP_1024
962
	select BUILTIN_DTB
963
	select MTD_COMPLEX_MAPPINGS
964
	select SWIOTLB
S
Steven J. Hill 已提交
965
	select SYS_SUPPORTS_RELOCATABLE
966 967 968 969 970 971 972 973 974 975 976 977 978
	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.

979 980 981 982 983 984
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
985
	select HAVE_PCI
986 987 988
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
989
	select PHYS_ADDR_T_64BIT
990 991 992 993 994
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
995
	select IRQ_MIPS_CPU
996
	select ZONE_DMA32 if 64BIT
997 998
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
999 1000
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
1001 1002 1003 1004
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

1005 1006 1007 1008 1009 1010
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
1011
	select HAVE_PCI
1012 1013
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
1014
	select PHYS_ADDR_T_64BIT
1015
	select GPIOLIB
1016 1017 1018 1019 1020 1021
	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
1022
	select IRQ_MIPS_CPU
1023
	select ZONE_DMA32 if 64BIT
1024 1025
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
1026
	select USE_OF
1027 1028
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
1029 1030 1031 1032
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

1033
endchoice
L
Linus Torvalds 已提交
1034

R
Ralf Baechle 已提交
1035
source "arch/mips/alchemy/Kconfig"
1036
source "arch/mips/ath25/Kconfig"
1037
source "arch/mips/ath79/Kconfig"
1038
source "arch/mips/bcm47xx/Kconfig"
1039
source "arch/mips/bcm63xx/Kconfig"
1040
source "arch/mips/bmips/Kconfig"
1041
source "arch/mips/generic/Kconfig"
1042
source "arch/mips/ingenic/Kconfig"
1043
source "arch/mips/jazz/Kconfig"
1044
source "arch/mips/lantiq/Kconfig"
1045
source "arch/mips/pic32/Kconfig"
1046
source "arch/mips/pistachio/Kconfig"
J
John Crispin 已提交
1047
source "arch/mips/ralink/Kconfig"
1048
source "arch/mips/sgi-ip27/Kconfig"
1049
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
1050
source "arch/mips/txx9/Kconfig"
1051
source "arch/mips/vr41xx/Kconfig"
1052
source "arch/mips/cavium-octeon/Kconfig"
1053
source "arch/mips/loongson2ef/Kconfig"
1054 1055
source "arch/mips/loongson32/Kconfig"
source "arch/mips/loongson64/Kconfig"
1056
source "arch/mips/netlogic/Kconfig"
1057

1058 1059
endmenu

1060 1061 1062 1063
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
1064 1065 1066 1067
config GENERIC_CALIBRATE_DELAY
	bool
	default y

1068
config SCHED_OMIT_FRAME_POINTER
1069 1070 1071
	bool
	default y

L
Linus Torvalds 已提交
1072 1073 1074
#
# Select some configuration options automatically based on user selections.
#
1075
config FW_ARC
L
Linus Torvalds 已提交
1076 1077
	bool

1078 1079 1080
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
1081 1082 1083
config BOOT_RAW
	bool

1084 1085 1086
config CEVT_BCM1480
	bool

1087 1088 1089
config CEVT_DS1287
	bool

1090 1091 1092
config CEVT_GT641XX
	bool

1093 1094 1095
config CEVT_R4K
	bool

1096 1097 1098
config CEVT_SB1250
	bool

1099 1100 1101
config CEVT_TXX9
	bool

1102 1103 1104
config CSRC_BCM1480
	bool

1105 1106 1107
config CSRC_IOASIC
	bool

1108
config CSRC_R4K
1109
	select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1110 1111
	bool

1112 1113 1114
config CSRC_SB1250
	bool

1115 1116 1117
config MIPS_CLOCK_VSYSCALL
	def_bool CSRC_R4K || CLKSRC_MIPS_GIC

1118
config GPIO_TXX9
1119
	select GPIOLIB
1120 1121
	bool

1122
config FW_CFE
1123 1124
	bool

R
Ralf Baechle 已提交
1125 1126 1127
config ARCH_SUPPORTS_UPROBES
	bool

1128
config DMA_MAYBE_COHERENT
1129
	select ARCH_HAS_DMA_COHERENCE_H
1130 1131 1132
	select DMA_NONCOHERENT
	bool

1133 1134
config DMA_PERDEV_COHERENT
	bool
1135
	select ARCH_HAS_SETUP_DMA_OPS
1136
	select DMA_NONCOHERENT
1137

1138 1139
config DMA_NONCOHERENT
	bool
1140 1141 1142 1143 1144 1145 1146
	#
	# 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.
	#
1147
	select ARCH_HAS_DMA_WRITE_COMBINE
1148
	select ARCH_HAS_DMA_PREP_COHERENT
1149
	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1150
	select ARCH_HAS_DMA_SET_UNCACHED
1151 1152
	select DMA_NONCOHERENT_MMAP
	select NEED_DMA_MAP_STATE
1153

1154
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
1155 1156
	bool

1157
config SYS_SUPPORTS_HOTPLUG_CPU
1158 1159
	bool

L
Linus Torvalds 已提交
1160 1161 1162 1163 1164 1165
config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1166 1167 1168
config SYNC_R4K
	bool

1169
config NO_IOPORT_MAP
1170 1171
	def_bool n

1172
config GENERIC_CSUM
1173
	def_bool CPU_NO_LOAD_STORE_LR
1174

1175 1176 1177
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1178
	select ISA_DMA_API
1179

1180 1181
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1182
	select GENERIC_ISA_DMA
1183

1184 1185 1186 1187 1188 1189 1190 1191 1192
config HAVE_PLAT_DELAY
	bool

config HAVE_PLAT_FW_INIT_CMDLINE
	bool

config HAVE_PLAT_MEMCPY
	bool

1193 1194 1195
config ISA_DMA_API
	bool

1196 1197 1198
config HOLES_IN_ZONE
	bool

1199 1200 1201
config SYS_SUPPORTS_RELOCATABLE
	bool
	help
1202 1203 1204
	  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.
1205

D
David Daney 已提交
1206 1207 1208 1209 1210 1211 1212 1213 1214
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


1215
#
M
Masanari Iida 已提交
1216
# Endianness selection.  Sufficiently obscure so many users don't know what to
1217 1218 1219 1220
# 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
1221
	prompt "Endianness selection"
L
Linus Torvalds 已提交
1222 1223
	help
	  Some MIPS machines can be configured for either little or big endian
1224
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
1225
	  Linux distribution.  In general there is one preferred byteorder for a
1226
	  particular system but some systems are just as commonly used in the
1227
	  one or the other endianness.
1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238

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

1239 1240 1241
config EXPORT_UASM
	bool

1242 1243 1244
config SYS_SUPPORTS_APM_EMULATION
	bool

1245 1246 1247 1248 1249
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
1250

1251 1252
config SYS_SUPPORTS_HUGETLBFS
	bool
1253
	depends on CPU_SUPPORTS_HUGEPAGES
1254 1255
	default y

1256 1257 1258
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

M
Marc St-Jean 已提交
1259 1260 1261 1262 1263 1264
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1265 1266 1267
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
1268 1269 1270
config IRQ_GT641XX
	bool

1271
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
1272 1273
	bool

1274 1275 1276
config PCI_XTALK_BRIDGE
	bool

M
Marc St-Jean 已提交
1277 1278 1279
config NO_EXCEPT_FILL
	bool

1280 1281 1282
config MIPS_SPRAM
	bool

L
Linus Torvalds 已提交
1283 1284 1285
config SWAP_IO_SPACE
	bool

T
Thomas Bogendoerfer 已提交
1286 1287 1288
config SGI_HAS_INDYDOG
	bool

1289 1290 1291
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306
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

1307
config FW_ARC32
1308 1309
	bool

P
Paul Bolle 已提交
1310
config FW_SNIPROM
1311 1312
	bool

L
Linus Torvalds 已提交
1313 1314 1315
config BOOT_ELF32
	bool

1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327
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
1328 1329
config MIPS_L1_CACHE_SHIFT
	int
1330
	default "7" if MIPS_L1_CACHE_SHIFT_7
1331 1332 1333
	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
1334 1335
	default "5"

1336 1337 1338
config ARC_CMDLINE_ONLY
	bool

L
Linus Torvalds 已提交
1339 1340
config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1341
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1342 1343 1344 1345 1346 1347 1348

config ARC_MEMORY
	bool

config ARC_PROMLIB
	bool

1349
config FW_ARC64
L
Linus Torvalds 已提交
1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

J
Jiaxun Yang 已提交
1361
config CPU_LOONGSON64
1362
	bool "Loongson 64-bit CPU"
J
Jiaxun Yang 已提交
1363
	depends on SYS_HAS_CPU_LOONGSON64
1364
	select ARCH_HAS_PHYS_TO_DMA
1365 1366
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
1367 1368 1369
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
1370
	select CPU_SUPPORTS_MSA
1371 1372
	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
	select CPU_MIPSR2_IRQ_VI
1373 1374
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
1375
	select MIPS_ASID_BITS_VARIABLE
1376
	select MIPS_PGD_C0_CONTEXT
1377
	select MIPS_L1_CACHE_SHIFT_6
1378
	select GPIOLIB
1379
	select SWIOTLB
1380
	select HAVE_KVM
1381
	help
1382 1383 1384 1385 1386 1387 1388 1389
		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"
1390
	default n
J
Jiaxun Yang 已提交
1391
	depends on CPU_LOONGSON64
1392
	help
1393
	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
1394
	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
J
Jiaxun Yang 已提交
1395
	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1396 1397 1398 1399 1400 1401
	  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
1402
	  new Loongson-3 machines only, please say 'Y' here.
1403

1404
config CPU_LOONGSON3_WORKAROUNDS
1405
	bool "Old Loongson-3 LLSC Workarounds"
1406
	default y if SMP
J
Jiaxun Yang 已提交
1407
	depends on CPU_LOONGSON64
1408
	help
1409
	  Loongson-3 processors have the llsc issues which require workarounds.
1410 1411
	  Without workarounds the system may hang unexpectedly.

1412
	  Newer Loongson-3 will fix these issues and no workarounds are needed.
1413 1414 1415 1416 1417 1418
	  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.

1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430
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.

1431 1432 1433
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
J
Jiaxun Yang 已提交
1434
	select CPU_LOONGSON2EF
1435 1436 1437 1438
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

L
Lucas De Marchi 已提交
1439
	  It has an internal FPGA northbridge, which is compatible to
1440 1441 1442 1443 1444
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
J
Jiaxun Yang 已提交
1445
	select CPU_LOONGSON2EF
1446
	select GPIOLIB
1447 1448 1449 1450 1451 1452 1453 1454
	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.

1455 1456 1457
config CPU_LOONGSON1B
	bool "Loongson 1B"
	depends on SYS_HAS_CPU_LOONGSON1B
1458
	select CPU_LOONGSON32
1459
	select LEDS_GPIO_REGISTER
1460 1461
	help
	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1462 1463
	  Release 1 instruction set and part of the MIPS32 Release 2
	  instruction set.
1464

Y
Yang Ling 已提交
1465 1466 1467
config CPU_LOONGSON1C
	bool "Loongson 1C"
	depends on SYS_HAS_CPU_LOONGSON1C
1468
	select CPU_LOONGSON32
Y
Yang Ling 已提交
1469 1470 1471
	select LEDS_GPIO_REGISTER
	help
	  The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1472 1473
	  Release 1 instruction set and part of the MIPS32 Release 2
	  instruction set.
Y
Yang Ling 已提交
1474

1475 1476
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1477
	depends on SYS_HAS_CPU_MIPS32_R1
1478
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1479
	select CPU_SUPPORTS_32BIT_KERNEL
1480
	select CPU_SUPPORTS_HIGHMEM
R
Ralf Baechle 已提交
1481
	help
1482
	  Choose this option to build a kernel for release 1 or later of the
R
Ralf Baechle 已提交
1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493
	  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"
1494
	depends on SYS_HAS_CPU_MIPS32_R2
R
Ralf Baechle 已提交
1495
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1496
	select CPU_SUPPORTS_32BIT_KERNEL
1497
	select CPU_SUPPORTS_HIGHMEM
P
Paul Burton 已提交
1498
	select CPU_SUPPORTS_MSA
1499
	select HAVE_KVM
1500
	help
1501
	  Choose this option to build a kernel for release 2 or later of the
1502 1503 1504 1505 1506
	  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
1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521
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.

1522
config CPU_MIPS32_R6
1523
	bool "MIPS32 Release 6"
1524 1525
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
1526
	select CPU_NO_LOAD_STORE_LR
1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537
	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.

1538 1539
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1540
	depends on SYS_HAS_CPU_MIPS64_R1
R
Ralf Baechle 已提交
1541
	select CPU_HAS_PREFETCH
1542 1543
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1544
	select CPU_SUPPORTS_HIGHMEM
1545
	select CPU_SUPPORTS_HUGEPAGES
1546 1547 1548 1549 1550 1551
	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
1552 1553 1554 1555 1556 1557 1558
	  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"
1559
	depends on SYS_HAS_CPU_MIPS64_R2
R
Ralf Baechle 已提交
1560
	select CPU_HAS_PREFETCH
R
Ralf Baechle 已提交
1561 1562
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1563
	select CPU_SUPPORTS_HIGHMEM
1564
	select CPU_SUPPORTS_HUGEPAGES
P
Paul Burton 已提交
1565
	select CPU_SUPPORTS_MSA
1566
	select HAVE_KVM
R
Ralf Baechle 已提交
1567 1568 1569 1570 1571 1572
	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
1573

S
Serge Semin 已提交
1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590
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.

1591
config CPU_MIPS64_R6
1592
	bool "MIPS64 Release 6"
1593 1594
	depends on SYS_HAS_CPU_MIPS64_R6
	select CPU_HAS_PREFETCH
1595
	select CPU_NO_LOAD_STORE_LR
1596 1597 1598
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1599
	select CPU_SUPPORTS_HUGEPAGES
1600
	select CPU_SUPPORTS_MSA
1601
	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1602
	select HAVE_KVM
1603 1604 1605 1606 1607 1608
	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.

1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629
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_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"
1632
	depends on SYS_HAS_CPU_R3000
1633
	select CPU_HAS_WB
1634
	select CPU_R3K_TLB
1635
	select CPU_SUPPORTS_32BIT_KERNEL
R
Ralf Baechle 已提交
1636
	select CPU_SUPPORTS_HIGHMEM
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1637 1638 1639 1640 1641 1642 1643 1644 1645 1646
	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"
1647
	depends on SYS_HAS_CPU_TX39XX
1648
	select CPU_SUPPORTS_32BIT_KERNEL
1649
	select CPU_R3K_TLB
L
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1650 1651 1652

config CPU_VR41XX
	bool "R41xx"
1653
	depends on SYS_HAS_CPU_VR41XX
1654 1655
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
L
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1656
	help
1657
	  The options selects support for the NEC VR4100 series of processors.
L
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1658 1659 1660 1661 1662 1663
	  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"
1664
	depends on SYS_HAS_CPU_R4X00
1665 1666
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1667
	select CPU_SUPPORTS_HUGEPAGES
L
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1668 1669 1670 1671 1672 1673
	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1674
	depends on SYS_HAS_CPU_TX49XX
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Atsushi Nemoto 已提交
1675
	select CPU_HAS_PREFETCH
1676 1677
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1678
	select CPU_SUPPORTS_HUGEPAGES
L
Linus Torvalds 已提交
1679 1680 1681

config CPU_R5000
	bool "R5000"
1682
	depends on SYS_HAS_CPU_R5000
1683 1684
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1685
	select CPU_SUPPORTS_HUGEPAGES
L
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1686 1687 1688
	help
	  MIPS Technologies R5000-series processors other than the Nevada.

1689 1690 1691 1692 1693
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1694
	select CPU_SUPPORTS_HUGEPAGES
1695 1696 1697 1698
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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config CPU_NEVADA
	bool "RM52xx"
1701
	depends on SYS_HAS_CPU_NEVADA
1702 1703
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1704
	select CPU_SUPPORTS_HUGEPAGES
L
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1705 1706 1707 1708 1709
	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R10000
	bool "R10000"
1710
	depends on SYS_HAS_CPU_R10000
1711
	select CPU_HAS_PREFETCH
1712 1713
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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1714
	select CPU_SUPPORTS_HIGHMEM
1715
	select CPU_SUPPORTS_HUGEPAGES
L
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1716 1717 1718 1719 1720
	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1721
	depends on SYS_HAS_CPU_RM7000
1722
	select CPU_HAS_PREFETCH
1723 1724
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1725
	select CPU_SUPPORTS_HIGHMEM
1726
	select CPU_SUPPORTS_HUGEPAGES
L
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1727 1728 1729

config CPU_SB1
	bool "SB1"
1730
	depends on SYS_HAS_CPU_SB1
1731 1732
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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1733
	select CPU_SUPPORTS_HIGHMEM
1734
	select CPU_SUPPORTS_HUGEPAGES
1735
	select WEAK_ORDERING
L
Linus Torvalds 已提交
1736

1737 1738
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1739
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1740 1741 1742 1743
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1744
	select CPU_SUPPORTS_HUGEPAGES
1745 1746
	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1747
	select MIPS_L1_CACHE_SHIFT_7
1748
	select HAVE_KVM
1749 1750 1751 1752 1753 1754
	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.

1755 1756 1757 1758
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1759
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1760 1761 1762 1763 1764
	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
1765
	select IRQ_MIPS_CPU
1766 1767
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1768
	select CPU_SUPPORTS_HIGHMEM
1769
	select CPU_HAS_PREFETCH
1770 1771
	select CPU_SUPPORTS_CPUFREQ
	select MIPS_EXTERNAL_TIMER
1772
	help
1773
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1774

1775 1776 1777 1778 1779 1780
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
1781
	select CPU_SUPPORTS_HUGEPAGES
1782 1783 1784 1785
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1786 1787 1788 1789 1790 1791 1792 1793 1794 1795

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
1796
	select CPU_MIPSR2
1797
	select CPU_SUPPORTS_HUGEPAGES
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1798
	select MIPS_ASID_BITS_VARIABLE
1799 1800
	help
	  Netlogic Microsystems XLP processors.
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1801 1802
endchoice

1803 1804 1805
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1806 1807
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
		   CPU_P5600
1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823
	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS32 architecture including features from the 3.5 release such as
	  support for Enhanced Virtual Addressing (EVA).

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

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config CPU_MIPS32_R5_FEATURES
	bool "MIPS32 Release 5 Features"
	depends on SYS_HAS_CPU_MIPS32_R5
1827
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
S
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1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840
	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
1841
	select PHYS_ADDR_T_64BIT
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1842 1843 1844 1845 1846 1847 1848 1849 1850
	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.

1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877
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

1878 1879 1880 1881
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1882
	select HAVE_KERNEL_LZ4
1883
	select HAVE_KERNEL_LZMA
1884
	select HAVE_KERNEL_LZO
1885
	select HAVE_KERNEL_XZ
1886
	select HAVE_KERNEL_ZSTD
1887 1888 1889 1890 1891

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1892 1893 1894 1895
config SYS_SUPPORTS_ZBOOT_UART_PROM
	bool
	select SYS_SUPPORTS_ZBOOT

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config CPU_LOONGSON2EF
1897 1898 1899 1900
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1901
	select CPU_SUPPORTS_HUGEPAGES
1902
	select ARCH_HAS_PHYS_TO_DMA
1903

1904
config CPU_LOONGSON32
1905 1906
	bool
	select CPU_MIPS32
1907
	select CPU_MIPSR2
1908 1909 1910
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1911
	select CPU_SUPPORTS_CPUFREQ
1912

1913
config CPU_BMIPS32_3300
1914
	select SMP_UP if SMP
1915
	bool
1916 1917 1918 1919 1920 1921 1922 1923

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1924
	select MIPS_L1_CACHE_SHIFT_6
1925 1926
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1927
	select CPU_HAS_RIXI
1928 1929 1930 1931

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1932
	select MIPS_L1_CACHE_SHIFT_7
1933 1934
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1935
	select CPU_HAS_RIXI
1936

J
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1937
config SYS_HAS_CPU_LOONGSON64
1938 1939
	bool
	select CPU_SUPPORTS_CPUFREQ
1940
	select CPU_HAS_RIXI
1941

1942
config SYS_HAS_CPU_LOONGSON2E
1943 1944
	bool

1945 1946
config SYS_HAS_CPU_LOONGSON2F
	bool
1947 1948
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1949

1950 1951 1952
config SYS_HAS_CPU_LOONGSON1B
	bool

Y
Yang Ling 已提交
1953 1954 1955
config SYS_HAS_CPU_LOONGSON1C
	bool

1956 1957 1958 1959 1960 1961
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1962 1963 1964
config SYS_HAS_CPU_MIPS32_R3_5
	bool

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1965 1966
config SYS_HAS_CPU_MIPS32_R5
	bool
1967
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
S
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1968

1969 1970
config SYS_HAS_CPU_MIPS32_R6
	bool
1971
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1972

1973 1974 1975 1976 1977 1978
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1979 1980
config SYS_HAS_CPU_MIPS64_R6
	bool
1981
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1982

1983 1984 1985 1986
config SYS_HAS_CPU_P5600
	bool
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT

1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
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

2005 2006 2007
config SYS_HAS_CPU_R5500
	bool

2008 2009 2010 2011 2012
config SYS_HAS_CPU_NEVADA
	bool

config SYS_HAS_CPU_R10000
	bool
2013
	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
2014 2015 2016 2017 2018 2019 2020

config SYS_HAS_CPU_RM7000
	bool

config SYS_HAS_CPU_SB1
	bool

2021 2022 2023
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

2024
config SYS_HAS_CPU_BMIPS
2025 2026
	bool

2027
config SYS_HAS_CPU_BMIPS32_3300
2028
	bool
2029
	select SYS_HAS_CPU_BMIPS
2030 2031 2032

config SYS_HAS_CPU_BMIPS4350
	bool
2033
	select SYS_HAS_CPU_BMIPS
2034 2035 2036

config SYS_HAS_CPU_BMIPS4380
	bool
2037
	select SYS_HAS_CPU_BMIPS
2038 2039 2040

config SYS_HAS_CPU_BMIPS5000
	bool
2041
	select SYS_HAS_CPU_BMIPS
2042
	select ARCH_HAS_SYNC_DMA_FOR_CPU
2043

2044 2045 2046
config SYS_HAS_CPU_XLR
	bool

2047 2048 2049
config SYS_HAS_CPU_XLP
	bool

2050 2051 2052 2053
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
2054 2055
config WEAK_ORDERING
	bool
2056 2057 2058 2059 2060 2061 2062

#
# 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
2063 2064 2065
endmenu

#
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Chris Dearman 已提交
2066
# These two indicate any level of the MIPS32 and MIPS64 architecture
2067 2068 2069
#
config CPU_MIPS32
	bool
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2070
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
2071
		     CPU_MIPS32_R6 || CPU_P5600
2072 2073 2074

config CPU_MIPS64
	bool
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2075 2076
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
		     CPU_MIPS64_R6
2077 2078

#
2079
# These indicate the revision of the architecture
2080 2081 2082 2083 2084 2085 2086
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
2087
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
2088
	select CPU_HAS_RIXI
2089
	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2090
	select MIPS_SPRAM
2091

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2092 2093
config CPU_MIPSR5
	bool
2094
	default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
S
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2095 2096 2097 2098
	select CPU_HAS_RIXI
	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
	select MIPS_SPRAM

2099 2100 2101
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
2102
	select CPU_HAS_RIXI
2103
	select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2104
	select HAVE_ARCH_BITREVERSE
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2105
	select MIPS_ASID_BITS_VARIABLE
2106
	select MIPS_CRC_SUPPORT
2107
	select MIPS_SPRAM
2108

2109 2110 2111 2112
config TARGET_ISA_REV
	int
	default 1 if CPU_MIPSR1
	default 2 if CPU_MIPSR2
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2113
	default 5 if CPU_MIPSR5
2114 2115 2116 2117 2118 2119
	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.

2120 2121 2122
config EVA
	bool

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2123 2124 2125
config XPA
	bool

2126 2127 2128 2129 2130 2131 2132 2133
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
2134 2135 2136 2137
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
2138 2139
config CPU_SUPPORTS_HUGEPAGES
	bool
2140
	depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2141 2142
config MIPS_PGD_C0_CONTEXT
	bool
2143
	default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2144

2145 2146 2147 2148
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
2149 2150
	bool
	default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2151

2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167
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.
2168

2169 2170 2171 2172 2173 2174 2175 2176
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

2177 2178
config KVM_GUEST
	bool "KVM Guest Kernel"
2179
	depends on CPU_MIPS32_R2
2180
	depends on BROKEN_ON_SMP
2181
	help
2182 2183
	  Select this option if building a guest kernel for KVM (Trap & Emulate)
	  mode.
2184

2185 2186
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
2187
	depends on KVM_GUEST
2188
	default 100
2189
	help
2190 2191 2192
	  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.
2193

2194 2195 2196 2197
config MIPS_VA_BITS_48
	bool "48 bits virtual memory"
	depends on 64BIT
	help
2198 2199 2200 2201 2202 2203 2204
	  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.

2205 2206
	  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
2215 2216 2217 2218
	  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"
2222
	depends on CPU_CAVIUM_OCTEON
2223
	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
2227 2228
	  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"
2232
	depends on !CPU_R3000 && !CPU_TX39XX
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2233 2234 2235
	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
2236 2237
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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2239 2240 2241
config PAGE_SIZE_32KB
	bool "32kB"
	depends on CPU_CAVIUM_OCTEON
2242
	depends on !MIPS_VA_BITS_48
2243 2244 2245 2246 2247 2248
	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
2256
	  writing this option is still high experimental.
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endchoice

2260 2261
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
2262 2263 2264 2265 2266 2267
	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
2268
	range 0 64
2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283
	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

2291 2292 2293 2294 2295 2296 2297
#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
	bool
	select BOARD_SCACHE

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config R5000_CPU_SCACHE
	bool
	select BOARD_SCACHE

config RM7000_CPU_SCACHE
	bool
	select BOARD_SCACHE

config SIBYTE_DMA_PAGEOPS
	bool "Use DMA to clear/copy pages"
	depends on CPU_SB1
	help
	  Instead of using the CPU to zero and copy pages, use a Data Mover
	  channel.  These DMA channels are otherwise unused by the standard
	  SiByte Linux port.  Seems to give a small performance benefit.

config CPU_HAS_PREFETCH
2315
	bool
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2317 2318
config CPU_GENERIC_DUMP_TLB
	bool
2319
	default y if !(CPU_R3000 || CPU_TX39XX)
2320

2321
config MIPS_FP_SUPPORT
2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334
	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.
2335

2336 2337
config CPU_R2300_FPU
	bool
2338
	depends on MIPS_FP_SUPPORT
2339 2340
	default y if CPU_R3000 || CPU_TX39XX

2341 2342 2343
config CPU_R3K_TLB
	bool

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config CPU_R4K_FPU
	bool
2346
	depends on MIPS_FP_SUPPORT
2347
	default y if !CPU_R2300_FPU
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2348

2349 2350
config CPU_R4K_CACHE_TLB
	bool
2351
	default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2352

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config MIPS_MT_SMP
2354
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2355
	default y
2356
	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2357
	select CPU_MIPSR2_IRQ_VI
2358
	select CPU_MIPSR2_IRQ_EI
2359
	select SYNC_R4K
2360
	select MIPS_MT
2361
	select SMP
2362
	select SMP_UP
2363 2364
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2365
	select MIPS_PERF_SHARED_TC_COUNTERS
2366
	help
2367 2368 2369 2370 2371
	  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>.
2372

2373 2374 2375
config MIPS_MT
	bool

2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387
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

2388 2389 2390
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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2394
	depends on MIPS_MT_SMP
2395

2396 2397
config MIPSR2_TO_R6_EMULATOR
	bool "MIPS R2-to-R6 emulator"
2398
	depends on CPU_MIPSR6
2399
	depends on MIPS_FP_SUPPORT
2400 2401 2402 2403
	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
2404
	  default. You can enable it using the 'mipsr2emu' kernel option.
2405 2406 2407
	  The only reason this is a build-time option is to save ~14K from the
	  final kernel image.

2408 2409 2410 2411 2412 2413 2414
config SYS_SUPPORTS_VPE_LOADER
	bool
	depends on SYS_SUPPORTS_MULTITHREADING
	help
	  Indicates that the platform supports the VPE loader, and provides
	  physical_memsize.

2415 2416
config MIPS_VPE_LOADER
	bool "VPE loader support."
2417
	depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2418 2419 2420 2421 2422 2423
	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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2425 2426 2427 2428 2429
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2430 2431 2432 2433 2434
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445
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
2446 2447
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
2448

2449 2450 2451 2452 2453
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2454 2455 2456 2457 2458
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2459
config MIPS_CMP
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	bool "MIPS CMP framework support (DEPRECATED)"
2461
	depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
2462
	select SMP
2463
	select SYNC_R4K
2464
	select SYS_SUPPORTS_SMP
2465 2466 2467
	select WEAK_ORDERING
	default n
	help
2468 2469 2470
	  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.
2471

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

2475 2476
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
2477
	depends on SYS_SUPPORTS_MIPS_CPS
2478
	select MIPS_CM
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	select MIPS_CPS_PM if HOTPLUG_CPU
2480 2481
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2483
	select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2484 2485
	select SYS_SUPPORTS_SMP
	select WEAK_ORDERING
2486
	select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2487 2488 2489 2490 2491 2492 2493
	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.

2494
config MIPS_CPS_PM
2495
	depends on MIPS_CPS
2496 2497
	bool

2498 2499
config MIPS_CM
	bool
2500
	select MIPS_CPC
2501

2502 2503
config MIPS_CPC
	bool
2504

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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

2515 2516 2517 2518 2519 2520 2521 2522
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

2523 2524
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2525
	bool "SmartMIPS"
2526 2527 2528 2529 2530 2531 2532 2533 2534
	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.

2535
config CPU_MICROMIPS
2536
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2537
	bool "microMIPS"
2538 2539 2540 2541
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2542 2543
endchoice

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2544
config CPU_HAS_MSA
2545
	bool "Support for the MIPS SIMD Architecture"
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2546
	depends on CPU_SUPPORTS_MSA
2547
	depends on MIPS_FP_SUPPORT
2548
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
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2549 2550 2551
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2552 2553 2554 2555 2556
	  is enabled the kernel will support allocating & switching MSA
	  vector register contexts. If you know that your kernel will only be
	  running on CPUs which do not support MSA or that your userland will
	  not be making use of it then you may wish to say N here to reduce
	  the size & complexity of your kernel.
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	  If unsure, say Y.

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config CPU_HAS_WB
2561
	bool
2562

2563 2564 2565
config XKS01
	bool

2566 2567 2568 2569 2570 2571 2572
config CPU_HAS_DIEI
	depends on !CPU_DIEI_BROKEN
	bool

config CPU_DIEI_BROKEN
	bool

2573 2574 2575
config CPU_HAS_RIXI
	bool

2576
config CPU_NO_LOAD_STORE_LR
2577 2578
	bool
	help
2579
	  CPU lacks support for unaligned load and store instructions:
2580
	  LWL, LWR, SWL, SWR (Load/store word left/right).
2581 2582
	  LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
	  systems).
2583

2584 2585 2586
#
# Vectored interrupt mode is an R2 feature
#
2587
config CPU_MIPSR2_IRQ_VI
2588
	bool
2589

2590 2591 2592
#
# Extended interrupt mode is an R2 feature
#
2593
config CPU_MIPSR2_IRQ_EI
2594
	bool
2595

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2596 2597 2598 2599 2600
config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	bool

2614 2615 2616 2617
config CPU_R4X00_BUGS64
	bool
	default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)

2618 2619 2620 2621 2622 2623 2624
config MIPS_ASID_SHIFT
	int
	default 6 if CPU_R3000 || CPU_TX39XX
	default 0

config MIPS_ASID_BITS
	int
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	default 0 if MIPS_ASID_BITS_VARIABLE
2626 2627 2628
	default 6 if CPU_R3000 || CPU_TX39XX
	default 8

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2629 2630 2631
config MIPS_ASID_BITS_VARIABLE
	bool

2632 2633 2634
config MIPS_CRC_SUPPORT
	bool

2635 2636 2637 2638 2639 2640 2641
# R4600 erratum.  Due to the lack of errata information the exact
# technical details aren't known.  I've experimentally found that disabling
# interrupts during indexed I-cache flushes seems to be sufficient to deal
# with the issue.
config WAR_R4600_V1_INDEX_ICACHEOP
	bool

2642 2643 2644 2645 2646
# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
#
#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
#      executed if there is no other dcache activity. If the dcache is
2647
#      accessed for another instruction immediately preceding when these
2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668
#      cache instructions are executing, it is possible that the dcache
#      tag match outputs used by these cache instructions will be
#      incorrect. These cache instructions should be preceded by at least
#      four instructions that are not any kind of load or store
#      instruction.
#
#      This is not allowed:    lw
#                              nop
#                              nop
#                              nop
#                              cache       Hit_Writeback_Invalidate_D
#
#      This is allowed:        lw
#                              nop
#                              nop
#                              nop
#                              nop
#                              cache       Hit_Writeback_Invalidate_D
config WAR_R4600_V1_HIT_CACHEOP
	bool

2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680
# Writeback and invalidate the primary cache dcache before DMA.
#
# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
# operate correctly if the internal data cache refill buffer is empty.  These
# CACHE instructions should be separated from any potential data cache miss
# by a load instruction to an uncached address to empty the response buffer."
# (Revision 2.0 device errata from IDT available on https://www.idt.com/
# in .pdf format.)
config WAR_R4600_V2_HIT_CACHEOP
	bool

2681 2682 2683 2684 2685 2686 2687 2688
# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
# the line which this instruction itself exists, the following
# operation is not guaranteed."
#
# Workaround: do two phase flushing for Index_Invalidate_I
config WAR_TX49XX_ICACHE_INDEX_INV
	bool

2689 2690 2691 2692 2693 2694 2695
# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
# opposes it being called that) where invalid instructions in the same
# I-cache line worth of instructions being fetched may case spurious
# exceptions.
config WAR_ICACHE_REFILLS
	bool

2696 2697 2698 2699 2700
# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
# may cause ll / sc and lld / scd sequences to execute non-atomically.
config WAR_R10000_LLSC
	bool

2701 2702 2703 2704
# 34K core erratum: "Problems Executing the TLBR Instruction"
config WAR_MIPS34K_MISSED_ITLB
	bool

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#
# - Highmem only makes sense for the 32-bit kernel.
# - The current highmem code will only work properly on physically indexed
#   caches such as R3000, SB1, R7000 or those that look like they're virtually
#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
#   moment we protect the user and offer the highmem option only on machines
#   where it's known to be safe.  This will not offer highmem on a few systems
#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
#   indexed CPUs but we're playing safe.
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# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
#   know they might have memory configurations that could make use of highmem
#   support.
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#
config HIGHMEM
	bool "High Memory Support"
2720
	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2721
	select KMAP_LOCAL
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config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
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2728

2729 2730 2731
config SYS_SUPPORTS_SMARTMIPS
	bool

2732 2733 2734
config SYS_SUPPORTS_MICROMIPS
	bool

2735 2736 2737 2738 2739 2740 2741
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

2745 2746
config ARCH_FLATMEM_ENABLE
	def_bool y
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2747
	depends on !NUMA && !CPU_LOONGSON2EF
2748

2749 2750
config ARCH_SPARSEMEM_ENABLE
	bool
2751
	select SPARSEMEM_STATIC if !SGI_IP27
2752

2753 2754 2755
config NUMA
	bool "NUMA Support"
	depends on SYS_SUPPORTS_NUMA
2756
	select SMP
2757 2758 2759 2760
	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
2761
	  leave it disabled; on single node systems leave this option
2762 2763 2764 2765 2766
	  disabled.

config SYS_SUPPORTS_NUMA
	bool

2767 2768 2769 2770 2771 2772 2773 2774
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

2775 2776
config RELOCATABLE
	bool "Relocatable kernel"
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2777 2778 2779 2780
	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 || \
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		   CPU_P5600 || CAVIUM_OCTEON_SOC || \
		   CPU_LOONGSON64
2783 2784 2785 2786 2787 2788
	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

2789 2790 2791 2792
config RELOCATION_TABLE_SIZE
	hex "Relocation table size"
	depends on RELOCATABLE
	range 0x0 0x01000000
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	default "0x00200000" if CPU_LOONGSON64
2794
	default "0x00100000"
2795
	help
2796 2797 2798 2799 2800 2801 2802 2803 2804 2805
	  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.

2806 2807 2808
config RANDOMIZE_BASE
	bool "Randomize the address of the kernel image"
	depends on RELOCATABLE
2809
	help
2810 2811 2812 2813
	  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.
2814

2815
	  Entropy is generated using any coprocessor 0 registers available.
2816

2817
	  The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2818

2819
	  If unsure, say N.
2820 2821 2822 2823 2824 2825 2826

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"
2827
	help
2828 2829 2830 2831 2832 2833 2834 2835
	  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.

Y
Yasunori Goto 已提交
2836 2837 2838 2839 2840
config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2841 2842
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
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2843
	depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2844 2845 2846 2847 2848
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859
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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2860 2861
config SMP
	bool "Multi-Processing support"
2862 2863
	depends on SYS_SUPPORTS_SMP
	help
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2864
	  This enables support for systems with more than one CPU. If you have
2865 2866
	  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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2867

2868
	  If you say N here, the kernel will run on uni- and multiprocessor
L
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2869 2870
	  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,
2871
	  uniprocessor machines. On a uniprocessor machine, the kernel
L
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2872 2873 2874 2875 2876
	  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.

A
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2877
	  See also the SMP-HOWTO available at
2878
	  <https://www.tldp.org/docs.html#howto>.
L
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2879 2880 2881

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

2882 2883 2884 2885 2886 2887 2888 2889 2890 2891
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.

2892 2893 2894
config SMP_UP
	bool

2895 2896 2897
config SYS_SUPPORTS_MIPS_CMP
	bool

2898 2899 2900
config SYS_SUPPORTS_MIPS_CPS
	bool

2901 2902 2903
config SYS_SUPPORTS_SMP
	bool

2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918
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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2919
config NR_CPUS
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2920 2921
	int "Maximum number of CPUs (2-256)"
	range 2 256
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2922
	depends on SMP
2923 2924 2925 2926 2927
	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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2928 2929 2930 2931
	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
2932 2933
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
L
Linus Torvalds 已提交
2934 2935

	  This is purely to save memory - each supported CPU adds
2936 2937 2938
	  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
2939

2940 2941
config MIPS_PERF_SHARED_TC_COUNTERS
	bool
2942 2943 2944 2945 2946 2947 2948 2949 2950

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
2951

2952 2953 2954 2955 2956 2957 2958 2959
#
# Timer Interrupt Frequency Configuration
#

choice
	prompt "Timer frequency"
	default HZ_250
	help
2960
	  Allows the configuration of the timer frequency.
2961

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2962 2963 2964
	config HZ_24
		bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ

2965
	config HZ_48
2966
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987

	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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2988 2989 2990
config SYS_SUPPORTS_24HZ
	bool

2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013
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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3014 3015 3016 3017 3018 3019 3020
	default y if !SYS_SUPPORTS_24HZ && \
		     !SYS_SUPPORTS_48HZ && \
		     !SYS_SUPPORTS_100HZ && \
		     !SYS_SUPPORTS_128HZ && \
		     !SYS_SUPPORTS_250HZ && \
		     !SYS_SUPPORTS_256HZ && \
		     !SYS_SUPPORTS_1000HZ && \
3021 3022 3023 3024
		     !SYS_SUPPORTS_1024HZ

config HZ
	int
P
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3025
	default 24 if HZ_24
3026 3027 3028 3029 3030 3031 3032 3033
	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
3034 3035 3036
config SCHED_HRTICK
	def_bool HIGH_RES_TIMERS

3037
config KEXEC
3038
	bool "Kexec system call"
3039
	select KEXEC_CORE
3040 3041 3042
	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
3043
	  but it is independent of the system firmware.   And like a reboot
3044 3045
	  you can start any kernel with it, not just Linux.

M
Matt LaPlante 已提交
3046
	  The name comes from the similarity to the exec system call.
3047 3048 3049

	  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
3050 3051 3052
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
3053

R
Ralf Baechle 已提交
3054
config CRASH_DUMP
3055 3056
	bool "Kernel crash dumps"
	help
R
Ralf Baechle 已提交
3057 3058 3059 3060 3061 3062 3063 3064 3065
	  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
3066
	hex "Physical address where the kernel is loaded"
3067
	default "0xffffffff84000000"
3068 3069
	depends on CRASH_DUMP
	help
R
Ralf Baechle 已提交
3070 3071 3072 3073 3074 3075
	  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).

3076
config MIPS_O32_FP64_SUPPORT
3077
	bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089
	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.

3090 3091
	  Although binutils currently supports use of this flag the details
	  concerning its effect upon the O32 ABI in userland are still being
3092
	  worked on. In order to avoid userland becoming dependent upon current
3093 3094 3095 3096 3097
	  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.
3098

3099
config USE_OF
3100
	bool
3101
	select OF
3102
	select OF_EARLY_FLATTREE
3103
	select IRQ_DOMAIN
3104

3105 3106 3107
config UHI_BOOT
	bool

3108 3109 3110
config BUILTIN_DTB
	bool

3111
choice
3112
	prompt "Kernel appended dtb support" if USE_OF
3113 3114 3115 3116 3117 3118 3119
	default MIPS_NO_APPENDED_DTB

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

3120 3121 3122 3123 3124 3125 3126 3127 3128 3129
	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

3130
		  This is meant as a backward compatibility convenience for those
3131 3132 3133
		  systems with a bootloader that can't be upgraded to accommodate
		  the documented boot protocol using a device tree.

3134
	config MIPS_RAW_APPENDED_DTB
3135
		bool "vmlinux.bin or vmlinuz.bin"
3136 3137
		help
		  With this option, the boot code will look for a device tree binary
3138
		  DTB) appended to raw vmlinux.bin or vmlinuz.bin.
3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151
		  (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

3152 3153
choice
	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
J
Jonas Gorski 已提交
3154
	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
J
Jiaxun Yang 已提交
3155
					 !MACH_LOONGSON64 && !MIPS_MALTA && \
J
Jonas Gorski 已提交
3156
					 !CAVIUM_OCTEON_SOC
3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168
	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"
3169 3170 3171 3172

	config MIPS_CMDLINE_BUILTIN_EXTEND
		depends on CMDLINE_BOOL
		bool "Extend builtin kernel arguments with bootloader arguments"
3173 3174
endchoice

3175 3176
endmenu

3177 3178 3179 3180 3181 3182 3183 3184
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

3185 3186
config PGTABLE_LEVELS
	int
3187
	default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3188 3189 3190
	default 3 if 64BIT && !PAGE_SIZE_64KB
	default 2

3191 3192 3193
config MIPS_AUTO_PFN_OFFSET
	bool

L
Linus Torvalds 已提交
3194 3195
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

3196
config PCI_DRIVERS_GENERIC
3197
	select PCI_DOMAINS_GENERIC if PCI
3198 3199 3200 3201 3202
	bool

config PCI_DRIVERS_LEGACY
	def_bool !PCI_DRIVERS_GENERIC
	select NO_GENERIC_PCI_IOPORT_MAP
3203
	select PCI_DOMAINS if PCI
L
Linus Torvalds 已提交
3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216

#
# 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
3217 3218 3219 3220 3221 3222 3223 3224
	  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
3225 3226 3227 3228 3229

config MMU
	bool
	default y

3230 3231 3232 3233 3234 3235 3236 3237 3238
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
3239
	default 8
3240 3241

config ARCH_MMAP_RND_COMPAT_BITS_MAX
3242
	default 15
3243

3244 3245
config I8253
	bool
3246
	select CLKSRC_I8253
3247
	select CLKEVT_I8253
W
Wu Zhangjin 已提交
3248
	select MIPS_EXTERNAL_TIMER
3249

3250 3251 3252
config ZONE_DMA
	bool

3253 3254 3255
config ZONE_DMA32
	bool

L
Linus Torvalds 已提交
3256 3257 3258 3259 3260 3261
endmenu

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
3262
	bool
L
Linus Torvalds 已提交
3263 3264 3265 3266

config COMPAT
	bool

3267 3268 3269
config SYSVIPC_COMPAT
	bool

L
Linus Torvalds 已提交
3270 3271
config MIPS32_O32
	bool "Kernel support for o32 binaries"
3272 3273 3274 3275 3276
	depends on 64BIT
	select ARCH_WANT_OLD_COMPAT_IPC
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
3277 3278 3279 3280 3281 3282 3283 3284 3285
	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"
3286
	depends on 64BIT
3287
	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3288 3289 3290
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
L
Linus Torvalds 已提交
3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301
	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
3302
	select ELFCORE
L
Linus Torvalds 已提交
3303

3304 3305
menu "Power management options"

W
Wu Zhangjin 已提交
3306 3307
config ARCH_HIBERNATION_POSSIBLE
	def_bool y
3308
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
Wu Zhangjin 已提交
3309

J
Johannes Berg 已提交
3310 3311
config ARCH_SUSPEND_POSSIBLE
	def_bool y
3312
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
J
Johannes Berg 已提交
3313

3314
source "kernel/power/Kconfig"
R
Rodolfo Giometti 已提交
3315

L
Linus Torvalds 已提交
3316 3317
endmenu

3318 3319 3320 3321
config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
P
Paul Burton 已提交
3322 3323

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3324 3325
source "drivers/cpufreq/Kconfig"
endif
W
Wu Zhangjin 已提交
3326

P
Paul Burton 已提交
3327 3328 3329 3330
source "drivers/cpuidle/Kconfig"

endmenu

3331 3332
source "drivers/firmware/Kconfig"

3333
source "arch/mips/kvm/Kconfig"
3334 3335

source "arch/mips/vdso/Kconfig"