Kconfig 68.4 KB
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config MIPS
	bool
	default y
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	select ARCH_MIGHT_HAVE_PC_PARPORT
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	select ARCH_MIGHT_HAVE_PC_SERIO
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	select HAVE_CONTEXT_TRACKING
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	select HAVE_GENERIC_DMA_COHERENT
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	select HAVE_IDE
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	select HAVE_OPROFILE
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	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
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	select HAVE_ARCH_KGDB
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	select HAVE_ARCH_SECCOMP_FILTER
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	select HAVE_ARCH_TRACEHOOK
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	select HAVE_BPF_JIT if !CPU_MICROMIPS
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	select ARCH_HAVE_CUSTOM_GPIO_H
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	select HAVE_FUNCTION_TRACER
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	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
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	select HAVE_C_RECORDMCOUNT
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	select HAVE_FUNCTION_GRAPH_TRACER
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	select HAVE_KPROBES
	select HAVE_KRETPROBES
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	select HAVE_DEBUG_KMEMLEAK
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	select HAVE_SYSCALL_TRACEPOINTS
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	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
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	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
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	select RTC_LIB if !MACH_LOONGSON
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	select GENERIC_ATOMIC64 if !64BIT
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	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
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	select HAVE_DMA_ATTRS
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	select HAVE_DMA_CONTIGUOUS
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	select HAVE_DMA_API_DEBUG
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	select GENERIC_IRQ_PROBE
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	select GENERIC_IRQ_SHOW
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	select GENERIC_PCI_IOMAP
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	select HAVE_ARCH_JUMP_LABEL
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	select ARCH_WANT_IPC_PARSE_VERSION
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	select IRQ_FORCED_THREADING
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	select HAVE_MEMBLOCK
	select HAVE_MEMBLOCK_NODE_MAP
	select ARCH_DISCARD_MEMBLOCK
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	select GENERIC_SMP_IDLE_THREAD
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	select BUILDTIME_EXTABLE_SORT
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	select GENERIC_CLOCKEVENTS
	select GENERIC_CMOS_UPDATE
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	select HAVE_MOD_ARCH_SPECIFIC
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	select VIRT_TO_BUS
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	select MODULES_USE_ELF_REL if MODULES
	select MODULES_USE_ELF_RELA if MODULES && 64BIT
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	select CLONE_BACKWARDS
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	select HAVE_DEBUG_STACKOVERFLOW
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	select HAVE_CC_STACKPROTECTOR
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	select CPU_PM if CPU_IDLE
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	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
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	select ARCH_BINFMT_ELF_STATE
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	select SYSCTL_EXCEPTION_TRACE
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	select HAVE_VIRT_CPU_ACCOUNTING_GEN
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menu "Machine selection"

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choice
	prompt "System type"
	default SGI_IP22
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config MIPS_ALCHEMY
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	bool "Alchemy processor based machines"
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	select ARCH_PHYS_ADDR_T_64BIT
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	select CEVT_R4K
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	select CSRC_R4K
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	select IRQ_CPU
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	select DMA_MAYBE_COHERENT	# Au1000,1500,1100 aren't, rest is
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_APM_EMULATION
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	select ARCH_REQUIRE_GPIOLIB
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	select SYS_SUPPORTS_ZBOOT
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	select COMMON_CLK
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config AR7
	bool "Texas Instruments AR7"
	select BOOT_ELF32
	select DMA_NONCOHERENT
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select NO_EXCEPT_FILL
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select ARCH_REQUIRE_GPIOLIB
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	select VLYNQ
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	select HAVE_CLK
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	help
	  Support for the Texas Instruments AR7 System-on-a-Chip
	  family: TNETD7100, 7200 and 7300.

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

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config ATH79
	bool "Atheros AR71XX/AR724X/AR913X based boards"
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	select ARCH_REQUIRE_GPIOLIB
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	select BOOT_RAW
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
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	select HAVE_CLK
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	select CLKDEV_LOOKUP
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	select IRQ_CPU
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	select MIPS_MACHINE
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	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	help
	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.

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config BCM3384
	bool "Broadcom BCM3384 based boards"
	select BOOT_RAW
	select NO_EXCEPT_FILL
	select USE_OF
	select CEVT_R4K
	select CSRC_R4K
	select SYNC_R4K
	select COMMON_CLK
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_HAS_CPU_BMIPS5000
	select SWAP_IO_SPACE
	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_OHCI_BIG_ENDIAN_DESC
	select USB_OHCI_BIG_ENDIAN_MMIO
	help
	  Support for BCM3384 based boards.  BCM3384/BCM33843 is a cable modem
	  chipset with a Linux application processor that is often used to
	  provide Samba services, a CUPS print server, and/or advanced routing
	  features.

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config BCM47XX
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	bool "Broadcom BCM47XX based boards"
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	select ARCH_WANT_OPTIONAL_GPIOLIB
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	select BOOT_RAW
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	select CEVT_R4K
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	select CSRC_R4K
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
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	select SYS_HAS_CPU_MIPS32_R1
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	select NO_EXCEPT_FILL
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_HAS_EARLY_PRINTK
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	select USE_GENERIC_EARLY_PRINTK_8250
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	select GPIOLIB
	select LEDS_GPIO_REGISTER
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	help
	 Support for BCM47XX based boards

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config BCM63XX
	bool "Broadcom BCM63XX based boards"
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	select BOOT_RAW
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	select CEVT_R4K
	select CSRC_R4K
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	select SYNC_R4K
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	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_HAS_EARLY_PRINTK
	select SWAP_IO_SPACE
	select ARCH_REQUIRE_GPIOLIB
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	select HAVE_CLK
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	select MIPS_L1_CACHE_SHIFT_4
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	help
	 Support for BCM63XX based boards

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config MIPS_COBALT
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	bool "Cobalt Server"
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	select CEVT_R4K
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	select CSRC_R4K
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	select CEVT_GT641XX
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	select DMA_NONCOHERENT
	select HW_HAS_PCI
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	select I8253
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	select I8259
	select IRQ_CPU
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	select IRQ_GT641XX
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	select PCI_GT64XXX_PCI0
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	select PCI
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	select SYS_HAS_CPU_NEVADA
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	select SYS_HAS_EARLY_PRINTK
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select USE_GENERIC_EARLY_PRINTK_8250
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config MACH_DECSTATION
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	bool "DECstations"
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	select BOOT_ELF32
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	select CEVT_DS1287
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	select CEVT_R4K if CPU_R4X00
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	select CSRC_IOASIC
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	select CSRC_R4K if CPU_R4X00
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	select CPU_DADDI_WORKAROUNDS if 64BIT
	select CPU_R4000_WORKAROUNDS if 64BIT
	select CPU_R4400_WORKAROUNDS if 64BIT
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	select DMA_NONCOHERENT
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	select NO_IOPORT_MAP
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	select IRQ_CPU
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	select SYS_HAS_CPU_R3000
	select SYS_HAS_CPU_R4X00
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	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_128HZ
	select SYS_SUPPORTS_256HZ
	select SYS_SUPPORTS_1024HZ
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	select MIPS_L1_CACHE_SHIFT_4
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	help
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	  This enables support for DEC's MIPS based workstations.  For details
	  see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
	  DECstation porting pages on <http://decstation.unix-ag.org/>.

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

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

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

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config MACH_JZ4740
	bool "Ingenic JZ4740 based machines"
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_ZBOOT_UART16550
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	select DMA_NONCOHERENT
	select IRQ_CPU
	select ARCH_REQUIRE_GPIOLIB
	select SYS_HAS_EARLY_PRINTK
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	select HAVE_CLK
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	select GENERIC_IRQ_CHIP
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config LANTIQ
	bool "Lantiq based platforms"
	select DMA_NONCOHERENT
	select IRQ_CPU
	select CEVT_R4K
	select CSRC_R4K
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_32BIT_KERNEL
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_MULTITHREADING
	select SYS_HAS_EARLY_PRINTK
	select ARCH_REQUIRE_GPIOLIB
	select SWAP_IO_SPACE
	select BOOT_RAW
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	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
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	select USE_OF
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	select PINCTRL
	select PINCTRL_LANTIQ
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	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
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config LASAT
	bool "LASAT Networks platforms"
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	select CEVT_R4K
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	select CRC32
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	select CSRC_R4K
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	select DMA_NONCOHERENT
	select SYS_HAS_EARLY_PRINTK
	select HW_HAS_PCI
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	select IRQ_CPU
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	select PCI_GT64XXX_PCI0
	select MIPS_NILE4
	select R5000_CPU_SCACHE
	select SYS_HAS_CPU_R5000
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
	select SYS_SUPPORTS_LITTLE_ENDIAN

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

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

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

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config MACH_PISTACHIO
	bool "IMG Pistachio SoC based boards"
	select ARCH_REQUIRE_GPIOLIB
	select BOOT_ELF32
	select BOOT_RAW
	select CEVT_R4K
	select CLKSRC_MIPS_GIC
	select COMMON_CLK
	select CSRC_R4K
	select DMA_MAYBE_COHERENT
	select IRQ_CPU
	select LIBFDT
	select MFD_SYSCON
	select MIPS_CPU_SCACHE
	select MIPS_GIC
	select PINCTRL
	select REGULATOR
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_MIPS_CPS
	select SYS_SUPPORTS_MULTITHREADING
	select SYS_SUPPORTS_ZBOOT
	select USE_OF
	help
	  This enables support for the IMG Pistachio SoC platform.

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config MIPS_MALTA
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	bool "MIPS Malta board"
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	select ARCH_MAY_HAVE_PC_FDC
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	select BOOT_ELF32
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	select BOOT_RAW
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	select CEVT_R4K
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	select CSRC_R4K
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	select CLKSRC_MIPS_GIC
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	select DMA_MAYBE_COHERENT
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	select GENERIC_ISA_DMA
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	select HAVE_PCSPKR_PLATFORM
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	select IRQ_CPU
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	select MIPS_GIC
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	select HW_HAS_PCI
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	select I8253
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	select I8259
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	select MIPS_BONITO64
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	select MIPS_CPU_SCACHE
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	select MIPS_L1_CACHE_SHIFT_6
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	select PCI_GT64XXX_PCI0
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	select MIPS_MSC
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
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	select SYS_HAS_CPU_MIPS32_R3_5
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	select SYS_HAS_CPU_MIPS32_R6
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	select SYS_HAS_CPU_MIPS64_R1
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	select SYS_HAS_CPU_MIPS64_R2
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	select SYS_HAS_CPU_MIPS64_R6
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	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MICROMIPS
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	select SYS_SUPPORTS_MIPS_CMP
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	select SYS_SUPPORTS_MIPS_CPS
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	select SYS_SUPPORTS_MIPS16
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	select SYS_SUPPORTS_MULTITHREADING
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	select SYS_SUPPORTS_SMARTMIPS
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	select SYS_SUPPORTS_ZBOOT
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	help
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	  This enables support for the MIPS Technologies Malta evaluation
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	  board.

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config MIPS_SEAD3
	bool "MIPS SEAD3 board"
	select BOOT_ELF32
	select BOOT_RAW
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	select BUILTIN_DTB
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	select CEVT_R4K
	select CSRC_R4K
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	select CLKSRC_MIPS_GIC
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	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select DMA_NONCOHERENT
	select IRQ_CPU
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	select MIPS_GIC
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	select LIBFDT
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	select MIPS_MSC
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R1
	select SYS_HAS_EARLY_PRINTK
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_SMARTMIPS
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	select SYS_SUPPORTS_MICROMIPS
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	select SYS_SUPPORTS_MIPS16
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	select USB_EHCI_BIG_ENDIAN_DESC
	select USB_EHCI_BIG_ENDIAN_MMIO
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	select USE_OF
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	help
	  This enables support for the MIPS Technologies SEAD3 evaluation
	  board.

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config NEC_MARKEINS
	bool "NEC EMMA2RH Mark-eins board"
	select SOC_EMMA2RH
	select HW_HAS_PCI
	help
	  This enables support for the NEC Electronics Mark-eins boards.
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config MACH_VR41XX
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	bool "NEC VR4100 series based machines"
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	select CEVT_R4K
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	select CSRC_R4K
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	select SYS_HAS_CPU_VR41XX
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	select SYS_SUPPORTS_MIPS16
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	select ARCH_REQUIRE_GPIOLIB
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config NXP_STB220
	bool "NXP STB220 board"
	select SOC_PNX833X
	help
	 Support for NXP Semiconductors STB220 Development Board.

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

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config PMC_MSP
	bool "PMC-Sierra MSP chipsets"
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	select CEVT_R4K
	select CSRC_R4K
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	select DMA_NONCOHERENT
	select SWAP_IO_SPACE
	select NO_EXCEPT_FILL
	select BOOT_RAW
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select IRQ_CPU
	select SERIAL_8250
	select SERIAL_8250_CONSOLE
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	select USB_EHCI_BIG_ENDIAN_MMIO
	select USB_EHCI_BIG_ENDIAN_DESC
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	help
	  This adds support for the PMC-Sierra family of Multi-Service
	  Processor System-On-A-Chips.  These parts include a number
	  of integrated peripherals, interfaces and DSPs in addition to
	  a variety of MIPS cores.

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config RALINK
	bool "Ralink based machines"
	select CEVT_R4K
	select CSRC_R4K
	select BOOT_RAW
	select DMA_NONCOHERENT
	select IRQ_CPU
	select USE_OF
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
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	select SYS_SUPPORTS_MIPS16
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	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP
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	select ARCH_HAS_RESET_CONTROLLER
	select RESET_CONTROLLER
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config SGI_IP22
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	bool "SGI IP22 (Indy/Indigo2)"
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	select FW_ARC
	select FW_ARC32
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	select BOOT_ELF32
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	select CEVT_R4K
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	select CSRC_R4K
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	select DEFAULT_SGI_PARTITION
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	select DMA_NONCOHERENT
542
	select HW_HAS_EISA
543
	select I8253
544
	select I8259
L
Linus Torvalds 已提交
545 546
	select IP22_CPU_SCACHE
	select IRQ_CPU
547
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
T
Thomas Bogendoerfer 已提交
548 549
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
550
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
551 552 553
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
L
Linus Torvalds 已提交
554
	select SWAP_IO_SPACE
555 556
	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
557 558 559 560 561 562 563 564
	#
	# Disable EARLY_PRINTK for now since it leads to overwritten prom
	# memory during early boot on some machines.
	#
	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
	# for a more details discussion
	#
	# select SYS_HAS_EARLY_PRINTK
565 566
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
567
	select SYS_SUPPORTS_BIG_ENDIAN
568
	select MIPS_L1_CACHE_SHIFT_7
L
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569 570 571 572 573 574
	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
575
	bool "SGI IP27 (Origin200/2000)"
576 577
	select FW_ARC
	select FW_ARC64
578
	select BOOT_ELF64
T
Thomas Bogendoerfer 已提交
579
	select DEFAULT_SGI_PARTITION
580
	select DMA_COHERENT
581
	select SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
582
	select HW_HAS_PCI
583
	select NR_CPUS_DEFAULT_64
584
	select SYS_HAS_CPU_R10000
585
	select SYS_SUPPORTS_64BIT_KERNEL
586
	select SYS_SUPPORTS_BIG_ENDIAN
587
	select SYS_SUPPORTS_NUMA
588
	select SYS_SUPPORTS_SMP
589
	select MIPS_L1_CACHE_SHIFT_7
L
Linus Torvalds 已提交
590 591 592 593 594
	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
595
config SGI_IP28
596
	bool "SGI IP28 (Indigo2 R10k)"
597 598
	select FW_ARC
	select FW_ARC64
T
Thomas Bogendoerfer 已提交
599 600 601 602 603 604 605 606 607 608 609 610
	select BOOT_ELF64
	select CEVT_R4K
	select CSRC_R4K
	select DEFAULT_SGI_PARTITION
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA_SUPPORT_BROKEN
	select IRQ_CPU
	select HW_HAS_EISA
	select I8253
	select I8259
	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
611
	select SGI_HAS_HAL2
T
Thomas Bogendoerfer 已提交
612 613 614 615 616
	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
617 618 619 620 621 622 623 624
	#
	# Disable EARLY_PRINTK for now since it leads to overwritten prom
	# memory during early boot on some machines.
	#
	# See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
	# for a more details discussion
	#
	# select SYS_HAS_EARLY_PRINTK
T
Thomas Bogendoerfer 已提交
625 626
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
627
	select MIPS_L1_CACHE_SHIFT_7
T
Thomas Bogendoerfer 已提交
628 629 630 631
      help
        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
        kernel that runs on these, say Y here.

L
Linus Torvalds 已提交
632
config SGI_IP32
633
	bool "SGI IP32 (O2)"
634 635
	select FW_ARC
	select FW_ARC32
L
Linus Torvalds 已提交
636
	select BOOT_ELF32
637
	select CEVT_R4K
638
	select CSRC_R4K
L
Linus Torvalds 已提交
639 640
	select DMA_NONCOHERENT
	select HW_HAS_PCI
641
	select IRQ_CPU
L
Linus Torvalds 已提交
642 643
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
644 645 646
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
R
Ralf Baechle 已提交
647
	select SYS_HAS_CPU_NEVADA
648
	select SYS_SUPPORTS_64BIT_KERNEL
649 650
	select SYS_SUPPORTS_BIG_ENDIAN
	help
651
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
652

653 654
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
Andrew Isaacson 已提交
655 656
	select BOOT_ELF32
	select DMA_COHERENT
657
	select SIBYTE_BCM1120
A
Andrew Isaacson 已提交
658
	select SWAP_IO_SPACE
659
	select SYS_HAS_CPU_SB1
A
Andrew Isaacson 已提交
660 661 662
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

663 664
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
665
	select BOOT_ELF32
L
Linus Torvalds 已提交
666
	select DMA_COHERENT
667
	select SIBYTE_BCM1120
668
	select SWAP_IO_SPACE
669
	select SYS_HAS_CPU_SB1
670
	select SYS_SUPPORTS_BIG_ENDIAN
671
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
672

673 674
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
675 676
	select BOOT_ELF32
	select DMA_COHERENT
677
	select SIBYTE_BCM1125
678
	select SWAP_IO_SPACE
679
	select SYS_HAS_CPU_SB1
680
	select SYS_SUPPORTS_BIG_ENDIAN
681
	select SYS_SUPPORTS_HIGHMEM
682
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
683

684
config SIBYTE_RHONE
685
	bool "Sibyte BCM91125E-Rhone"
686 687 688 689
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
690
	select SYS_HAS_CPU_SB1
691 692
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
693

694 695
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
696
	select BOOT_ELF32
P
Pete Popov 已提交
697
	select DMA_COHERENT
698
	select HAVE_PATA_PLATFORM
699
	select SIBYTE_SB1250
700
	select SWAP_IO_SPACE
701
	select SYS_HAS_CPU_SB1
702
	select SYS_SUPPORTS_BIG_ENDIAN
703
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
704
	select SYS_SUPPORTS_LITTLE_ENDIAN
705
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
706

707 708
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
709 710
	select BOOT_ELF32
	select DMA_COHERENT
711
	select HAVE_PATA_PLATFORM
712 713
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
714
	select SYS_HAS_CPU_SB1
715 716 717
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
718

719 720
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
721 722 723 724
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
725
	select SYS_HAS_CPU_SB1
726 727
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
728

729 730
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
731 732
	select BOOT_ELF32
	select DMA_COHERENT
733 734
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
735
	select SWAP_IO_SPACE
736
	select SYS_HAS_CPU_SB1
737
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
738
	select SYS_SUPPORTS_HIGHMEM
739
	select SYS_SUPPORTS_LITTLE_ENDIAN
740
	select ZONE_DMA32 if 64BIT
L
Linus Torvalds 已提交
741

742 743
config SNI_RM
	bool "SNI RM200/300/400"
744 745
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
Paul Bolle 已提交
746
	select FW_SNIPROM if CPU_BIG_ENDIAN
747
	select ARCH_MAY_HAVE_PC_FDC
L
Linus Torvalds 已提交
748
	select BOOT_ELF32
749
	select CEVT_R4K
750
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
751
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
Linus Torvalds 已提交
752 753
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
754
	select HAVE_PCSPKR_PLATFORM
755
	select HW_HAS_EISA
L
Linus Torvalds 已提交
756
	select HW_HAS_PCI
757
	select IRQ_CPU
758
	select I8253
L
Linus Torvalds 已提交
759 760
	select I8259
	select ISA
761
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
762
	select SYS_HAS_CPU_R4X00
763
	select SYS_HAS_CPU_R5000
764
	select SYS_HAS_CPU_R10000
765
	select R5000_CPU_SCACHE
766
	select SYS_HAS_EARLY_PRINTK
767
	select SYS_SUPPORTS_32BIT_KERNEL
768
	select SYS_SUPPORTS_64BIT_KERNEL
769
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
770
	select SYS_SUPPORTS_HIGHMEM
771
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
Linus Torvalds 已提交
772
	help
773 774
	  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
775 776 777
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

778 779
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
780

781 782
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
783

784 785 786 787 788 789 790 791 792 793 794 795
config MIKROTIK_RB532
	bool "Mikrotik RB532 boards"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	select BOOT_RAW
796
	select ARCH_REQUIRE_GPIOLIB
797
	select MIPS_L1_CACHE_SHIFT_4
798 799 800 801
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

802 803
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
804
	select CEVT_R4K
805
	select ARCH_PHYS_ADDR_T_64BIT
806 807 808
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
809
	select EDAC_SUPPORT
810 811
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
812
	select SYS_HAS_EARLY_PRINTK
813
	select SYS_HAS_CPU_CAVIUM_OCTEON
814
	select SWAP_IO_SPACE
815
	select HW_HAS_PCI
D
David Daney 已提交
816
	select ZONE_DMA32
817
	select HOLES_IN_ZONE
818
	select ARCH_REQUIRE_GPIOLIB
819 820 821 822 823
	select LIBFDT
	select USE_OF
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
824
	select BUILTIN_DTB
825 826 827 828 829 830 831 832 833 834 835 836 837
	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.

838 839 840 841 842 843 844 845 846 847
config NLM_XLR_BOARD
	bool "Netlogic XLR/XLS based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLR
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
848
	select ARCH_PHYS_ADDR_T_64BIT
849 850 851 852 853 854 855
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
856
	select ZONE_DMA32 if 64BIT
857 858
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
859 860
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
861 862 863 864
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

865 866 867 868 869 870 871 872 873
config NLM_XLP_BOARD
	bool "Netlogic XLP based systems"
	select BOOT_ELF32
	select NLM_COMMON
	select SYS_HAS_CPU_XLP
	select SYS_SUPPORTS_SMP
	select HW_HAS_PCI
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
874
	select ARCH_PHYS_ADDR_T_64BIT
875 876 877 878 879 880 881 882
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select DMA_COHERENT
	select NR_CPUS_DEFAULT_32
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
883
	select ZONE_DMA32 if 64BIT
884 885
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
886
	select USE_OF
887 888
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
889 890 891 892
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911
config MIPS_PARAVIRT
	bool "Para-Virtualized guest system"
	select CEVT_R4K
	select CSRC_R4K
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_4
	select SYS_HAS_EARLY_PRINTK
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_HAS_CPU_MIPS64_R2
	select SYS_HAS_CPU_CAVIUM_OCTEON
	select HW_HAS_PCI
	select SWAP_IO_SPACE
	help
	  This option supports guest running under ????

912
endchoice
L
Linus Torvalds 已提交
913

R
Ralf Baechle 已提交
914
source "arch/mips/alchemy/Kconfig"
915
source "arch/mips/ath25/Kconfig"
916
source "arch/mips/ath79/Kconfig"
917
source "arch/mips/bcm47xx/Kconfig"
918
source "arch/mips/bcm63xx/Kconfig"
919
source "arch/mips/jazz/Kconfig"
920
source "arch/mips/jz4740/Kconfig"
921
source "arch/mips/lantiq/Kconfig"
922
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
923
source "arch/mips/pmcs-msp71xx/Kconfig"
J
John Crispin 已提交
924
source "arch/mips/ralink/Kconfig"
925
source "arch/mips/sgi-ip27/Kconfig"
926
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
927
source "arch/mips/txx9/Kconfig"
928
source "arch/mips/vr41xx/Kconfig"
929
source "arch/mips/cavium-octeon/Kconfig"
930
source "arch/mips/loongson/Kconfig"
931
source "arch/mips/loongson1/Kconfig"
932
source "arch/mips/netlogic/Kconfig"
933
source "arch/mips/paravirt/Kconfig"
934

935 936
endmenu

L
Linus Torvalds 已提交
937 938 939 940 941 942 943
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

944 945 946 947 948 949 950 951
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

952 953 954 955
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
956 957 958 959
config GENERIC_CALIBRATE_DELAY
	bool
	default y

960
config SCHED_OMIT_FRAME_POINTER
961 962 963
	bool
	default y

L
Linus Torvalds 已提交
964 965 966
#
# Select some configuration options automatically based on user selections.
#
967
config FW_ARC
L
Linus Torvalds 已提交
968 969
	bool

970 971 972
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
973 974 975
config BOOT_RAW
	bool

976 977 978
config CEVT_BCM1480
	bool

979 980 981
config CEVT_DS1287
	bool

982 983 984
config CEVT_GT641XX
	bool

985 986 987
config CEVT_R4K
	bool

988 989 990
config CEVT_SB1250
	bool

991 992 993
config CEVT_TXX9
	bool

994 995 996
config CSRC_BCM1480
	bool

997 998 999
config CSRC_IOASIC
	bool

1000 1001 1002
config CSRC_R4K
	bool

1003 1004 1005
config CSRC_SB1250
	bool

1006
config GPIO_TXX9
M
Michael Buesch 已提交
1007
	select ARCH_REQUIRE_GPIOLIB
1008 1009
	bool

1010
config FW_CFE
1011 1012
	bool

1013
config ARCH_DMA_ADDR_T_64BIT
1014
	def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
1015

1016 1017 1018 1019
config DMA_MAYBE_COHERENT
	select DMA_NONCOHERENT
	bool

1020
config DMA_COHERENT
L
Linus Torvalds 已提交
1021 1022
	bool

1023 1024
config DMA_NONCOHERENT
	bool
1025
	select NEED_DMA_MAP_STATE
1026

1027
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
1028 1029
	bool

1030
config SYS_HAS_EARLY_PRINTK
L
Linus Torvalds 已提交
1031 1032
	bool

1033
config HOTPLUG_CPU
1034
	bool "Support for hot-pluggable CPUs"
1035
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1036 1037 1038 1039 1040 1041 1042 1043
	help
	  Say Y here to allow turning CPUs off and on. CPUs can be
	  controlled through /sys/devices/system/cpu.
	  (Note: power management support will enable this option
	    automatically on SMP systems. )
	  Say N if you want to disable CPU hotplug.

config SYS_SUPPORTS_HOTPLUG_CPU
1044 1045
	bool

L
Linus Torvalds 已提交
1046 1047
config I8259
	bool
A
Andrew Bresticker 已提交
1048
	select IRQ_DOMAIN
L
Linus Torvalds 已提交
1049 1050 1051 1052 1053 1054 1055

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

1056 1057 1058
config MIPS_NILE4
	bool

1059 1060 1061
config SYNC_R4K
	bool

1062 1063 1064
config MIPS_MACHINE
	def_bool n

1065
config NO_IOPORT_MAP
1066 1067
	def_bool n

1068 1069 1070
config GENERIC_CSUM
	bool

1071 1072 1073
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1074
	select ISA_DMA_API
1075

1076 1077
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
1078
	select GENERIC_ISA_DMA
1079

1080 1081 1082
config ISA_DMA_API
	bool

1083 1084 1085
config HOLES_IN_ZONE
	bool

1086
#
M
Masanari Iida 已提交
1087
# Endianness selection.  Sufficiently obscure so many users don't know what to
1088 1089 1090 1091
# 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
1092
	prompt "Endianness selection"
L
Linus Torvalds 已提交
1093 1094
	help
	  Some MIPS machines can be configured for either little or big endian
1095
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
1096
	  Linux distribution.  In general there is one preferred byteorder for a
1097
	  particular system but some systems are just as commonly used in the
1098
	  one or the other endianness.
1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109

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

1110 1111 1112
config EXPORT_UASM
	bool

1113 1114 1115
config SYS_SUPPORTS_APM_EMULATION
	bool

1116 1117 1118 1119 1120
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
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1122 1123 1124 1125 1126
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1127 1128 1129
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

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config IRQ_CPU
	bool
1132
	select IRQ_DOMAIN
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config IRQ_CPU_RM7K
	bool

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config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1143 1144 1145
config IRQ_TXX9
	bool

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config IRQ_GT641XX
	bool

1149
config PCI_GT64XXX_PCI0
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	bool

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config NO_EXCEPT_FILL
	bool

1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166
config SOC_EMMA2RH
	bool
	select CEVT_R4K
	select CSRC_R4K
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R5500
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN

1167 1168 1169 1170 1171 1172 1173 1174 1175 1176
config SOC_PNX833X
	bool
	select CEVT_R4K
	select CSRC_R4K
	select IRQ_CPU
	select DMA_NONCOHERENT
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
1177
	select SYS_SUPPORTS_MIPS16
1178 1179 1180 1181 1182 1183
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

1184 1185 1186
config MIPS_SPRAM
	bool

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config SWAP_IO_SPACE
	bool

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config SGI_HAS_INDYDOG
	bool

1193 1194 1195
config SGI_HAS_HAL2
	bool

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config SGI_HAS_SEEQ
	bool

config SGI_HAS_WD93
	bool

config SGI_HAS_ZILOG
	bool

config SGI_HAS_I8042
	bool

config DEFAULT_SGI_PARTITION
	bool

1211
config FW_ARC32
1212 1213
	bool

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config FW_SNIPROM
1215 1216
	bool

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config BOOT_ELF32
	bool

1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231
config MIPS_L1_CACHE_SHIFT_4
	bool

config MIPS_L1_CACHE_SHIFT_5
	bool

config MIPS_L1_CACHE_SHIFT_6
	bool

config MIPS_L1_CACHE_SHIFT_7
	bool

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config MIPS_L1_CACHE_SHIFT
	int
1234 1235 1236 1237
	default "4" if MIPS_L1_CACHE_SHIFT_4
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "7" if MIPS_L1_CACHE_SHIFT_7
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	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
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	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
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config ARC_MEMORY
	bool
1249
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
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	default y

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

1257
config FW_ARC64
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	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
config CPU_LOONGSON3
	bool "Loongson 3 CPU"
	depends on SYS_HAS_CPU_LOONGSON3
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HUGEPAGES
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
		The Loongson 3 processor implements the MIPS64R2 instruction
		set with many extensions.

1281 1282 1283 1284
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1285 1286 1287 1288
	help
	  The Loongson 2E processor implements the MIPS III instruction set
	  with many extensions.

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	  It has an internal FPGA northbridge, which is compatible to
1290 1291 1292 1293 1294 1295
	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1296
	select ARCH_REQUIRE_GPIOLIB
1297 1298 1299 1300 1301 1302 1303 1304
	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.

1305 1306 1307 1308 1309 1310 1311 1312
config CPU_LOONGSON1B
	bool "Loongson 1B"
	depends on SYS_HAS_CPU_LOONGSON1B
	select CPU_LOONGSON1
	help
	  The Loongson 1B is a 32-bit SoC, which implements the MIPS32
	  release 2 instruction set.

1313 1314
config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1315
	depends on SYS_HAS_CPU_MIPS32_R1
1316
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1318
	select CPU_SUPPORTS_HIGHMEM
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	help
1320
	  Choose this option to build a kernel for release 1 or later of the
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	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
	  MIPS processor are based on a MIPS32 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
	  Release 2 of the MIPS32 architecture is available since several
	  years so chances are you even have a MIPS32 Release 2 processor
	  in which case you should choose CPU_MIPS32_R2 instead for better
	  performance.

config CPU_MIPS32_R2
	bool "MIPS32 Release 2"
1332
	depends on SYS_HAS_CPU_MIPS32_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1335
	select CPU_SUPPORTS_HIGHMEM
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	select CPU_SUPPORTS_MSA
1337
	select HAVE_KVM
1338
	help
1339
	  Choose this option to build a kernel for release 2 or later of the
1340 1341 1342 1343 1344
	  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.

1345 1346 1347 1348 1349 1350 1351
config CPU_MIPS32_R6
	bool "MIPS32 Release 6 (EXPERIMENTAL)"
	depends on SYS_HAS_CPU_MIPS32_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1352
	select GENERIC_CSUM
1353 1354 1355 1356 1357 1358 1359 1360
	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.

1361 1362
config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1363
	depends on SYS_HAS_CPU_MIPS64_R1
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	select CPU_HAS_PREFETCH
1365 1366
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1367
	select CPU_SUPPORTS_HIGHMEM
1368
	select CPU_SUPPORTS_HUGEPAGES
1369 1370 1371 1372 1373 1374
	help
	  Choose this option to build a kernel for release 1 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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	  Release 2 of the MIPS64 architecture is available since several
	  years so chances are you even have a MIPS64 Release 2 processor
	  in which case you should choose CPU_MIPS64_R2 instead for better
	  performance.

config CPU_MIPS64_R2
	bool "MIPS64 Release 2"
1382
	depends on SYS_HAS_CPU_MIPS64_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1386
	select CPU_SUPPORTS_HIGHMEM
1387
	select CPU_SUPPORTS_HUGEPAGES
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	select CPU_SUPPORTS_MSA
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	help
	  Choose this option to build a kernel for release 2 or later of the
	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
	  MIPS processor are based on a MIPS64 processor.  If you know the
	  specific type of processor in your system, choose those that one
	  otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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1396 1397 1398 1399 1400 1401 1402 1403
config CPU_MIPS64_R6
	bool "MIPS64 Release 6 (EXPERIMENTAL)"
	depends on SYS_HAS_CPU_MIPS64_R6
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_MSA
1404
	select GENERIC_CSUM
1405 1406 1407 1408 1409 1410
	help
	  Choose this option to build a kernel for release 6 or later of the
	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
	  family, are based on a MIPS64r6 processor. If you own an older
	  processor, you probably need to select MIPS64r1 or MIPS64r2 instead.

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config CPU_R3000
	bool "R3000"
1413
	depends on SYS_HAS_CPU_R3000
1414
	select CPU_HAS_WB
1415
	select CPU_SUPPORTS_32BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	help
	  Please make sure to pick the right CPU type. Linux/MIPS is not
	  designed to be generic, i.e. Kernels compiled for R3000 CPUs will
	  *not* work on R4000 machines and vice versa.  However, since most
	  of the supported machines have an R4000 (or similar) CPU, R4x00
	  might be a safe bet.  If the resulting kernel does not work,
	  try to recompile with R3000.

config CPU_TX39XX
	bool "R39XX"
1427
	depends on SYS_HAS_CPU_TX39XX
1428
	select CPU_SUPPORTS_32BIT_KERNEL
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config CPU_VR41XX
	bool "R41xx"
1432
	depends on SYS_HAS_CPU_VR41XX
1433 1434
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
1436
	  The options selects support for the NEC VR4100 series of processors.
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	  Only choose this option if you have one of these processors as a
	  kernel built with this option will not run on any other type of
	  processor or vice versa.

config CPU_R4300
	bool "R4300"
1443
	depends on SYS_HAS_CPU_R4300
1444 1445
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R4300-series processors.

config CPU_R4X00
	bool "R4x00"
1451
	depends on SYS_HAS_CPU_R4X00
1452 1453
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1454
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  MIPS Technologies R4000-series processors other than 4300, including
	  the R4000, R4400, R4600, and 4700.

config CPU_TX49XX
	bool "R49XX"
1461
	depends on SYS_HAS_CPU_TX49XX
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	select CPU_HAS_PREFETCH
1463 1464
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1465
	select CPU_SUPPORTS_HUGEPAGES
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config CPU_R5000
	bool "R5000"
1469
	depends on SYS_HAS_CPU_R5000
1470 1471
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1472
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1478
	depends on SYS_HAS_CPU_R5432
1479 1480
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1481
	select CPU_SUPPORTS_HUGEPAGES
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1483 1484 1485 1486 1487
config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1488
	select CPU_SUPPORTS_HUGEPAGES
1489 1490 1491 1492
	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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config CPU_R6000
	bool "R6000"
1495
	depends on SYS_HAS_CPU_R6000
1496
	select CPU_SUPPORTS_32BIT_KERNEL
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	help
	  MIPS Technologies R6000 and R6000A series processors.  Note these
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	  processors are extremely rare and the support for them is incomplete.
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config CPU_NEVADA
	bool "RM52xx"
1503
	depends on SYS_HAS_CPU_NEVADA
1504 1505
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1506
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1512
	depends on SYS_HAS_CPU_R8000
1513
	select CPU_HAS_PREFETCH
1514
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
	  MIPS Technologies R8000 processors.  Note these processors are
	  uncommon and the support for them is incomplete.

config CPU_R10000
	bool "R10000"
1521
	depends on SYS_HAS_CPU_R10000
1522
	select CPU_HAS_PREFETCH
1523 1524
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1526
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1532
	depends on SYS_HAS_CPU_RM7000
1533
	select CPU_HAS_PREFETCH
1534 1535
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1537
	select CPU_SUPPORTS_HUGEPAGES
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config CPU_SB1
	bool "SB1"
1541
	depends on SYS_HAS_CPU_SB1
1542 1543
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
R
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	select CPU_SUPPORTS_HIGHMEM
1545
	select CPU_SUPPORTS_HUGEPAGES
1546
	select WEAK_ORDERING
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1548 1549
config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1550
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1551 1552 1553 1554
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1555
	select CPU_SUPPORTS_HUGEPAGES
1556
	select USB_EHCI_BIG_ENDIAN_MMIO
1557
	select MIPS_L1_CACHE_SHIFT_7
1558 1559 1560 1561 1562 1563
	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.

1564 1565 1566 1567
config CPU_BMIPS
	bool "Broadcom BMIPS"
	depends on SYS_HAS_CPU_BMIPS
	select CPU_MIPS32
1568
	select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1569 1570 1571 1572 1573 1574 1575 1576
	select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
	select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
	select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select WEAK_ORDERING
1577
	select CPU_SUPPORTS_HIGHMEM
1578
	select CPU_HAS_PREFETCH
1579
	help
1580
	  Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1581

1582 1583 1584 1585 1586 1587
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
1588
	select CPU_SUPPORTS_HUGEPAGES
1589 1590 1591 1592
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1593 1594 1595 1596 1597 1598 1599 1600 1601 1602

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
1603
	select CPU_MIPSR2
1604 1605
	help
	  Netlogic Microsystems XLP processors.
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endchoice

1608 1609 1610
config CPU_MIPS32_3_5_FEATURES
	bool "MIPS32 Release 3.5 Features"
	depends on SYS_HAS_CPU_MIPS32_R3_5
1611
	depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627
	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.

1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654
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

1655 1656 1657 1658
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
1659
	select HAVE_KERNEL_LZ4
1660
	select HAVE_KERNEL_LZMA
1661
	select HAVE_KERNEL_LZO
1662
	select HAVE_KERNEL_XZ
1663 1664 1665 1666 1667

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1668 1669 1670 1671 1672
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1673
	select CPU_SUPPORTS_HUGEPAGES
1674

1675 1676 1677 1678 1679 1680 1681
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1682
	select CPU_SUPPORTS_CPUFREQ
1683

1684
config CPU_BMIPS32_3300
1685
	select SMP_UP if SMP
1686
	bool
1687 1688 1689 1690 1691 1692 1693 1694

config CPU_BMIPS4350
	bool
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS4380
	bool
1695
	select MIPS_L1_CACHE_SHIFT_6
1696 1697 1698 1699 1700 1701
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU

config CPU_BMIPS5000
	bool
	select MIPS_CPU_SCACHE
1702
	select MIPS_L1_CACHE_SHIFT_7
1703 1704
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
1705

1706 1707 1708 1709
config SYS_HAS_CPU_LOONGSON3
	bool
	select CPU_SUPPORTS_CPUFREQ

1710
config SYS_HAS_CPU_LOONGSON2E
1711 1712
	bool

1713 1714
config SYS_HAS_CPU_LOONGSON2F
	bool
1715 1716
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1717
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1718

1719 1720 1721
config SYS_HAS_CPU_LOONGSON1B
	bool

1722 1723 1724 1725 1726 1727
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

1728 1729 1730
config SYS_HAS_CPU_MIPS32_R3_5
	bool

1731 1732 1733
config SYS_HAS_CPU_MIPS32_R6
	bool

1734 1735 1736 1737 1738 1739
config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

1740 1741 1742
config SYS_HAS_CPU_MIPS64_R6
	bool

1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766
config SYS_HAS_CPU_R3000
	bool

config SYS_HAS_CPU_TX39XX
	bool

config SYS_HAS_CPU_VR41XX
	bool

config SYS_HAS_CPU_R4300
	bool

config SYS_HAS_CPU_R4X00
	bool

config SYS_HAS_CPU_TX49XX
	bool

config SYS_HAS_CPU_R5000
	bool

config SYS_HAS_CPU_R5432
	bool

1767 1768 1769
config SYS_HAS_CPU_R5500
	bool

1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787
config SYS_HAS_CPU_R6000
	bool

config SYS_HAS_CPU_NEVADA
	bool

config SYS_HAS_CPU_R8000
	bool

config SYS_HAS_CPU_R10000
	bool

config SYS_HAS_CPU_RM7000
	bool

config SYS_HAS_CPU_SB1
	bool

1788 1789 1790
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1791
config SYS_HAS_CPU_BMIPS
1792 1793
	bool

1794
config SYS_HAS_CPU_BMIPS32_3300
1795
	bool
1796
	select SYS_HAS_CPU_BMIPS
1797 1798 1799

config SYS_HAS_CPU_BMIPS4350
	bool
1800
	select SYS_HAS_CPU_BMIPS
1801 1802 1803

config SYS_HAS_CPU_BMIPS4380
	bool
1804
	select SYS_HAS_CPU_BMIPS
1805 1806 1807

config SYS_HAS_CPU_BMIPS5000
	bool
1808
	select SYS_HAS_CPU_BMIPS
1809

1810 1811 1812
config SYS_HAS_CPU_XLR
	bool

1813 1814 1815
config SYS_HAS_CPU_XLP
	bool

1816 1817 1818 1819 1820 1821
config MIPS_MALTA_PM
	depends on MIPS_MALTA
	depends on PCI
	bool
	default y

1822 1823 1824 1825
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1826 1827
config WEAK_ORDERING
	bool
1828 1829 1830 1831 1832 1833 1834

#
# 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
1835 1836 1837
endmenu

#
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# These two indicate any level of the MIPS32 and MIPS64 architecture
1839 1840 1841
#
config CPU_MIPS32
	bool
1842
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1843 1844 1845

config CPU_MIPS64
	bool
1846
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1847 1848

#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
1850 1851 1852 1853 1854 1855 1856
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1857
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1858
	select MIPS_SPRAM
1859

1860 1861 1862
config CPU_MIPSR6
	bool
	default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1863
	select MIPS_SPRAM
1864

1865 1866 1867
config EVA
	bool

1868 1869 1870 1871 1872 1873 1874 1875
config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
1876 1877 1878 1879
config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1880 1881
config CPU_SUPPORTS_HUGEPAGES
	bool
1882 1883
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1884 1885
config MIPS_PGD_C0_CONTEXT
	bool
1886
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1887

1888 1889 1890 1891 1892
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1893
       default y if CPU_MIPSR1 || CPU_MIPSR2
1894

1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918
menu "Kernel type"

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

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

endchoice

1919 1920
config KVM_GUEST
	bool "KVM Guest Kernel"
1921
	depends on BROKEN_ON_SMP
1922 1923 1924
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

1925 1926
config KVM_GUEST_TIMER_FREQ
	int "Count/Compare Timer Frequency (MHz)"
1927
	depends on KVM_GUEST
1928
	default 100
1929
	help
1930 1931 1932
	  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.
1933

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
1940
	depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
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	help
	 This option select the standard 4kB Linux page size.  On some
	 R3000-family processors this is the only available page size.  Using
	 4kB page size will minimize memory consumption and is therefore
	 recommended for low memory systems.

config PAGE_SIZE_8KB
	bool "8kB"
1949
	depends on CPU_R8000 || CPU_CAVIUM_OCTEON
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	help
	  Using 8kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
1953 1954
	  only on R8000 and cnMIPS processors.  Note that you will need a
	  suitable Linux distribution to support this.
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config PAGE_SIZE_16KB
	bool "16kB"
1958
	depends on !CPU_R3000 && !CPU_TX39XX
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	help
	  Using 16kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available on
1962 1963
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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1965 1966 1967 1968 1969 1970 1971 1972 1973
config PAGE_SIZE_32KB
	bool "32kB"
	depends on CPU_CAVIUM_OCTEON
	help
	  Using 32kB page size will result in higher performance kernel at
	  the price of higher memory consumption.  This option is available
	  only on cnMIPS cores.  Note that you will need a suitable Linux
	  distribution to support this.

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config PAGE_SIZE_64KB
	bool "64kB"
1976
	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
1981
	  writing this option is still high experimental.
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endchoice

1985 1986
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
1987 1988 1989 1990 1991 1992
	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
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
	range 11 64
	default "11"
	help
	  The kernel memory allocator divides physically contiguous memory
	  blocks into "zones", where each zone is a power of two number of
	  pages.  This option selects the largest power of two that the kernel
	  keeps in the memory allocator.  If you need to allocate very large
	  blocks of physically contiguous memory, then you may need to
	  increase this value.

	  This config option is actually maximum order plus one. For example,
	  a value of 11 means that the largest free memory block is 2^10 pages.

	  The page size is not necessarily 4KB.  Keep this in mind
	  when choosing a value for this option.

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config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

2016 2017 2018 2019 2020 2021 2022
#
# 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
2040
	bool
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2042 2043 2044 2045
config CPU_GENERIC_DUMP_TLB
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)

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config CPU_R4K_FPU
	bool
	default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

2050 2051 2052 2053
config CPU_R4K_CACHE_TLB
	bool
	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

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config MIPS_MT_SMP
2055
	bool "MIPS MT SMP support (1 TC on each available VPE)"
2056
	depends on SYS_SUPPORTS_MULTITHREADING
2057
	select CPU_MIPSR2_IRQ_VI
2058
	select CPU_MIPSR2_IRQ_EI
2059
	select SYNC_R4K
2060
	select MIPS_GIC_IPI
2061
	select MIPS_MT
2062
	select SMP
2063
	select SMP_UP
2064 2065
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT
2066
	select MIPS_PERF_SHARED_TC_COUNTERS
2067
	help
2068 2069 2070 2071 2072
	  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>.
2073

2074 2075 2076
config MIPS_MT
	bool

2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088
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

2089 2090 2091
config SYS_SUPPORTS_MULTITHREADING
	bool

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2092 2093 2094
config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
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2095
	depends on MIPS_MT_SMP
2096

2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
config MIPSR2_TO_R6_EMULATOR
	bool "MIPS R2-to-R6 emulator"
	depends on CPU_MIPSR6 && !SMP
	default y
	help
	  Choose this option if you want to run non-R6 MIPS userland code.
	  Even if you say 'Y' here, the emulator will still be disabled by
	  default. You can enable it using the 'mipsr2emul' kernel option.
	  The only reason this is a build-time option is to save ~14K from the
	  final kernel image.
comment "MIPS R2-to-R6 emulator is only available for UP kernels"
	depends on SMP && CPU_MIPSR6

2110 2111
config MIPS_VPE_LOADER
	bool "VPE loader support."
2112
	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2113 2114 2115 2116 2117 2118
	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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2120 2121 2122 2123 2124
config MIPS_VPE_LOADER_CMP
	bool
	default "y"
	depends on MIPS_VPE_LOADER && MIPS_CMP

2125 2126 2127 2128 2129
config MIPS_VPE_LOADER_MT
	bool
	default "y"
	depends on MIPS_VPE_LOADER && !MIPS_CMP

2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140
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
2141 2142 2143
	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
2144

2145 2146 2147 2148 2149
config MIPS_VPE_APSP_API_CMP
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && MIPS_CMP

2150 2151 2152 2153 2154
config MIPS_VPE_APSP_API_MT
	bool
	default "y"
	depends on MIPS_VPE_APSP_API && !MIPS_CMP

2155
config MIPS_CMP
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	bool "MIPS CMP framework support (DEPRECATED)"
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2157
	depends on SYS_SUPPORTS_MIPS_CMP
2158
	select MIPS_GIC_IPI
2159
	select SMP
2160
	select SYNC_R4K
2161
	select SYS_SUPPORTS_SMP
2162 2163 2164
	select WEAK_ORDERING
	default n
	help
2165 2166 2167
	  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.
2168

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2169 2170 2171
	  Unless you have a specific need, you should use CONFIG_MIPS_CPS
	  instead of this.

2172 2173 2174 2175 2176
config MIPS_CPS
	bool "MIPS Coherent Processing System support"
	depends on SYS_SUPPORTS_MIPS_CPS
	select MIPS_CM
	select MIPS_CPC
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	select MIPS_CPS_PM if HOTPLUG_CPU
2178 2179 2180
	select MIPS_GIC_IPI
	select SMP
	select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
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	select SYS_SUPPORTS_HOTPLUG_CPU
2182 2183 2184 2185 2186 2187 2188 2189 2190
	select SYS_SUPPORTS_SMP
	select WEAK_ORDERING
	help
	  Select this if you wish to run an SMP kernel across multiple cores
	  within a MIPS Coherent Processing System. When this option is
	  enabled the kernel will probe for other cores and boot them with
	  no external assistance. It is safe to enable this when hardware
	  support is unavailable.

2191
config MIPS_CPS_PM
2192
	depends on MIPS_CPS
2193
	select MIPS_CPC
2194 2195
	bool

2196 2197 2198
config MIPS_GIC_IPI
	bool

2199 2200 2201
config MIPS_CM
	bool

2202 2203
config MIPS_CPC
	bool
2204

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config SB1_PASS_1_WORKAROUNDS
	bool
	depends on CPU_SB1_PASS_1
	default y

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

config SB1_PASS_2_1_WORKAROUNDS
	bool
	depends on CPU_SB1 && CPU_SB1_PASS_2
	default y

2220

2221
config ARCH_PHYS_ADDR_T_64BIT
2222
       bool
2223

2224 2225 2226 2227 2228 2229 2230 2231
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

2232 2233
config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
2234
	bool "SmartMIPS"
2235 2236 2237 2238 2239 2240 2241 2242 2243
	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.

2244
config CPU_MICROMIPS
2245
	depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2246
	bool "microMIPS"
2247 2248 2249 2250
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

2251 2252
endchoice

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config CPU_HAS_MSA
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2254
	bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
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2255
	depends on CPU_SUPPORTS_MSA
2256
	depends on 64BIT || MIPS_O32_FP64_SUPPORT
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2257 2258 2259
	help
	  MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
	  and a set of SIMD instructions to operate on them. When this option
2260 2261 2262 2263 2264
	  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
2269
	bool
2270

2271 2272 2273
config XKS01
	bool

2274 2275 2276
#
# Vectored interrupt mode is an R2 feature
#
2277
config CPU_MIPSR2_IRQ_VI
2278
	bool
2279

2280 2281 2282
#
# Extended interrupt mode is an R2 feature
#
2283
config CPU_MIPSR2_IRQ_EI
2284
	bool
2285

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303
#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
	bool

config CPU_R4000_WORKAROUNDS
	bool
	select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
	bool

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#
# - Highmem only makes sense for the 32-bit kernel.
# - The current highmem code will only work properly on physically indexed
#   caches such as R3000, SB1, R7000 or those that look like they're virtually
#   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
#   moment we protect the user and offer the highmem option only on machines
#   where it's known to be safe.  This will not offer highmem on a few systems
#   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
#   indexed CPUs but we're playing safe.
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# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
#   know they might have memory configurations that could make use of highmem
#   support.
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#
config HIGHMEM
	bool "High Memory Support"
2319
	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
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config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
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2327 2328 2329
config SYS_SUPPORTS_SMARTMIPS
	bool

2330 2331 2332
config SYS_SUPPORTS_MICROMIPS
	bool

2333 2334 2335 2336 2337 2338 2339
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

2343 2344
config ARCH_FLATMEM_ENABLE
	def_bool y
2345
	depends on !NUMA && !CPU_LOONGSON2
2346

2347 2348 2349 2350
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2351
	  Say Y to support efficient handling of discontiguous physical memory,
2352 2353 2354 2355
	  for architectures which are either NUMA (Non-Uniform Memory Access)
	  or have huge holes in the physical address space for other reasons.
	  See <file:Documentation/vm/numa> for more.

2356 2357
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2359

2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372
config NUMA
	bool "NUMA Support"
	depends on SYS_SUPPORTS_NUMA
	help
	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
	  Access).  This option improves performance on systems with more
	  than two nodes; on two node systems it is generally better to
	  leave it disabled; on single node systems disable this option
	  disabled.

config SYS_SUPPORTS_NUMA
	bool

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config NODES_SHIFT
	int
	default "6"
	depends on NEED_MULTIPLE_NODES

2378 2379
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
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	depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2381 2382 2383 2384 2385
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2386 2387
source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
2390 2391
	depends on SYS_SUPPORTS_SMP
	help
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	  This enables support for systems with more than one CPU. If you have
2393 2394
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
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2396
	  If you say N here, the kernel will run on uni- and multiprocessor
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	  machines, but will use only one CPU of a multiprocessor machine. If
	  you say Y here, the kernel will run on many, but not all,
2399
	  uniprocessor machines. On a uniprocessor machine, the kernel
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	  will run faster if you say N here.

	  People using multiprocessor machines who say Y here should also say
	  Y to "Enhanced Real Time Clock Support", below.

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	  See also the SMP-HOWTO available at
	  <http://www.tldp.org/docs.html#howto>.
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	  If you don't know what to do here, say N.

2410 2411 2412
config SMP_UP
	bool

2413 2414 2415
config SYS_SUPPORTS_MIPS_CMP
	bool

2416 2417 2418
config SYS_SUPPORTS_MIPS_CPS
	bool

2419 2420 2421
config SYS_SUPPORTS_SMP
	bool

2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436
config NR_CPUS_DEFAULT_4
	bool

config NR_CPUS_DEFAULT_8
	bool

config NR_CPUS_DEFAULT_16
	bool

config NR_CPUS_DEFAULT_32
	bool

config NR_CPUS_DEFAULT_64
	bool

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config NR_CPUS
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	int "Maximum number of CPUs (2-256)"
	range 2 256
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	depends on SMP
2441 2442 2443 2444 2445
	default "4" if NR_CPUS_DEFAULT_4
	default "8" if NR_CPUS_DEFAULT_8
	default "16" if NR_CPUS_DEFAULT_16
	default "32" if NR_CPUS_DEFAULT_32
	default "64" if NR_CPUS_DEFAULT_64
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	help
	  This allows you to specify the maximum number of CPUs which this
	  kernel will support.  The maximum supported value is 32 for 32-bit
	  kernel and 64 for 64-bit kernels; the minimum value which makes
2450 2451
	  sense is 1 for Qemu (useful only for kernel debugging purposes)
	  and 2 for all others.
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	  This is purely to save memory - each supported CPU adds
2454 2455 2456
	  approximately eight kilobytes to the kernel image.  For best
	  performance should round up your number of processors to the next
	  power of two.
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2458 2459 2460
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2472
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531

	config HZ_100
		bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_128
		bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_250
		bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_256
		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_1000
		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ

	config HZ_1024
		bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ

endchoice

config SYS_SUPPORTS_48HZ
	bool

config SYS_SUPPORTS_100HZ
	bool

config SYS_SUPPORTS_128HZ
	bool

config SYS_SUPPORTS_250HZ
	bool

config SYS_SUPPORTS_256HZ
	bool

config SYS_SUPPORTS_1000HZ
	bool

config SYS_SUPPORTS_1024HZ
	bool

config SYS_SUPPORTS_ARBIT_HZ
	bool
	default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
		     !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
		     !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
		     !SYS_SUPPORTS_1024HZ

config HZ
	int
	default 48 if HZ_48
	default 100 if HZ_100
	default 128 if HZ_128
	default 250 if HZ_250
	default 256 if HZ_256
	default 1000 if HZ_1000
	default 1024 if HZ_1024

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config SCHED_HRTICK
	def_bool HIGH_RES_TIMERS

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source "kernel/Kconfig.preempt"
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2537
config KEXEC
2538
	bool "Kexec system call"
2539 2540 2541
	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
2542
	  but it is independent of the system firmware.   And like a reboot
2543 2544
	  you can start any kernel with it, not just Linux.

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	  The name comes from the similarity to the exec system call.
2546 2547 2548

	  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
2549 2550 2551
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
2552

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config CRASH_DUMP
	  bool "Kernel crash dumps"
	  help
	  Generate crash dump after being started by kexec.
	  This should be normally only set in special crash dump kernels
	  which are loaded in the main kernel with kexec-tools into
	  a specially reserved region and then later executed after
	  a crash by kdump/kexec. The crash dump kernel must be compiled
	  to a memory address not used by the main kernel or firmware using
	  PHYSICAL_START.

config PHYSICAL_START
	  hex "Physical address where the kernel is loaded"
	  default "0xffffffff84000000" if 64BIT
	  default "0x84000000" if 32BIT
	  depends on CRASH_DUMP
	  help
	  This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
	  If you plan to use kernel for capturing the crash dump change
	  this value to start of the reserved region (the "X" value as
	  specified in the "crashkernel=YM@XM" command line boot parameter
	  passed to the panic-ed kernel).

2576 2577
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2578
	depends on PROC_FS
2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592
	default y
	help
	  This kernel feature is useful for number crunching applications
	  that may need to compute untrusted bytecode during their
	  execution. By using pipes or other transports made available to
	  the process as file descriptors supporting the read/write
	  syscalls, it's possible to isolate those applications in
	  their own address space using seccomp. Once seccomp is
	  enabled via /proc/<pid>/seccomp, it cannot be disabled
	  and the task is only allowed to execute a few safe syscalls
	  defined by each seccomp mode.

	  If unsure, say Y. Only embedded should say N here.

2593
config MIPS_O32_FP64_SUPPORT
2594
	bool "Support for O32 binaries using 64-bit FP (EXPERIMENTAL)"
2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606
	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.

2607 2608 2609 2610 2611 2612 2613 2614
	  Although binutils currently supports use of this flag the details
	  concerning its effect upon the O32 ABI in userland are still being
	  worked on. In order to avoid userland becoming dependant upon current
	  behaviour before the details have been finalised, this option should
	  be considered experimental and only enabled by those working upon
	  said details.

	  If unsure, say N.
2615

2616
config USE_OF
2617
	bool
2618
	select OF
2619
	select OF_EARLY_FLATTREE
2620
	select IRQ_DOMAIN
2621

2622 2623 2624
config BUILTIN_DTB
	bool

2625 2626
endmenu

2627 2628 2629 2630 2631 2632 2633 2634
config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

2635 2636
source "init/Kconfig"

2637 2638
source "kernel/Kconfig.freezer"

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

2641 2642
config HW_HAS_EISA
	bool
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config HW_HAS_PCI
	bool

config PCI
	bool "Support for PCI controller"
	depends on HW_HAS_PCI
2649
	select PCI_DOMAINS
2650
	select NO_GENERIC_PCI_IOPORT_MAP
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	help
	  Find out whether you have a PCI motherboard. PCI is the name of a
	  bus system, i.e. the way the CPU talks to the other stuff inside
	  your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
	  say Y, otherwise N.

2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667
config HT_PCI
	bool "Support for HT-linked PCI"
	default y
	depends on CPU_LOONGSON3
	select PCI
	select PCI_DOMAINS
	help
	  Loongson family machines use Hyper-Transport bus for inter-core
	  connection and device connection. The PCI bus is a subordinate
	  linked at HT. Choose Y for Loongson-3 based machines.

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config PCI_DOMAINS
	bool

source "drivers/pci/Kconfig"

2673 2674
source "drivers/pci/pcie/Kconfig"

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#
# ISA support is now enabled via select.  Too many systems still have the one
# or other ISA chip on the board that users don't know about so don't expect
# users to choose the right thing ...
#
config ISA
	bool

config EISA
	bool "EISA support"
2685
	depends on HW_HAS_EISA
L
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2686
	select ISA
2687
	select GENERIC_ISA_DMA
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2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706
	---help---
	  The Extended Industry Standard Architecture (EISA) bus was
	  developed as an open alternative to the IBM MicroChannel bus.

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

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

	  Otherwise, say N.

source "drivers/eisa/Kconfig"

config TC
	bool "TURBOchannel support"
	depends on MACH_DECSTATION
	help
2707 2708 2709 2710 2711 2712 2713 2714
	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  TURBOchannel programming specifications are available
	  at:
	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
	  and:
	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
	  Linux driver support status is documented at:
	  <http://www.linux-mips.org/wiki/DECstation>
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2715 2716 2717 2718 2719

config MMU
	bool
	default y

2720 2721
config I8253
	bool
2722
	select CLKSRC_I8253
2723
	select CLKEVT_I8253
W
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2724
	select MIPS_EXTERNAL_TIMER
2725

2726 2727 2728
config ZONE_DMA
	bool

2729 2730 2731
config ZONE_DMA32
	bool

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2732 2733 2734 2735
source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

2736
config RAPIDIO
2737
	tristate "RapidIO support"
2738 2739 2740 2741 2742 2743 2744 2745
	depends on PCI
	default n
	help
	  If you say Y here, the kernel will include drivers and
	  infrastructure code to support RapidIO interconnect devices.

source "drivers/rapidio/Kconfig"

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2746 2747 2748 2749 2750 2751 2752 2753 2754 2755
endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
2756
	bool
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2757 2758 2759 2760

config COMPAT
	bool

2761 2762 2763
config SYSVIPC_COMPAT
	bool

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2764 2765
config MIPS32_O32
	bool "Kernel support for o32 binaries"
2766 2767 2768 2769 2770
	depends on 64BIT
	select ARCH_WANT_OLD_COMPAT_IPC
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
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	help
	  Select this option if you want to run o32 binaries.  These are pure
	  32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
	  existing binaries are in this format.

	  If unsure, say Y.

config MIPS32_N32
	bool "Kernel support for n32 binaries"
2780
	depends on 64BIT
2781 2782 2783
	select COMPAT
	select MIPS32_COMPAT
	select SYSVIPC_COMPAT if SYSVIPC
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2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795
	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

2796 2797 2798 2799
endmenu

menu "Power management options"

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config ARCH_HIBERNATION_POSSIBLE
	def_bool y
2802
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
W
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2803

J
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config ARCH_SUSPEND_POSSIBLE
	def_bool y
2806
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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2807

2808
source "kernel/power/Kconfig"
R
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2809

L
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2810 2811
endmenu

2812 2813 2814 2815
config MIPS_EXTERNAL_TIMER
	bool

menu "CPU Power Management"
P
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2816 2817

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
2818 2819
source "drivers/cpufreq/Kconfig"
endif
W
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2820

P
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2821 2822 2823 2824
source "drivers/cpuidle/Kconfig"

endmenu

2825 2826
source "net/Kconfig"

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2827 2828
source "drivers/Kconfig"

2829 2830
source "drivers/firmware/Kconfig"

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2831 2832 2833 2834 2835 2836 2837 2838 2839
source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
2840 2841

source "arch/mips/kvm/Kconfig"