Kconfig 62.1 KB
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config MIPS
	bool
	default y
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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 ARCH_HAVE_CUSTOM_GPIO_H
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	select HAVE_FUNCTION_TRACER
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	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
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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 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
	select HAVE_DMA_API_DEBUG
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	select HAVE_GENERIC_HARDIRQS
	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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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 64BIT_PHYS_ADDR
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	select CEVT_R4K
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	select CSRC_R4K
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	select IRQ_CPU
	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 USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
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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_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 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 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
	help
	  Support for the Atheros AR71XX/AR724X/AR913X SoCs.

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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
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	select FW_CFE
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	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_HAS_EARLY_PRINTK
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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
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SYS_HAS_CPU_MIPS32_R1
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	select SYS_HAS_CPU_BMIPS4350 if !BCM63XX_CPU_6338 && !BCM63XX_CPU_6345 && !BCM63XX_CPU_6348
	select NR_CPUS_DEFAULT_2
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	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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	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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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
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	select CSRC_IOASIC
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	select CSRC_R4K
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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
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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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	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
	select HAVE_PWM
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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
	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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config LASAT
	bool "LASAT Networks platforms"
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	select CEVT_R4K
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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 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 CSRC_GIC
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	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
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	select HAVE_PCSPKR_PLATFORM
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	select IRQ_CPU
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	select IRQ_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 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
	select SYS_HAS_CPU_MIPS64_R1
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	select SYS_HAS_CPU_MIPS64_R2
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	select SYS_HAS_CPU_NEVADA
	select SYS_HAS_CPU_RM7000
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	select SYS_HAS_EARLY_PRINTK
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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_MIPS_CMP
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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
	select CEVT_R4K
	select CSRC_R4K
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	select CSRC_GIC
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	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select DMA_NONCOHERENT
	select IRQ_CPU
	select IRQ_GIC
	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 USB_ARCH_HAS_EHCI
	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 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
	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 POWERTV
	bool "Cisco PowerTV"
	select BOOT_ELF32
	select CEVT_R4K
	select CPU_MIPSR2_IRQ_VI
	select CPU_MIPSR2_IRQ_EI
	select CSRC_POWERTV
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select SYS_HAS_CPU_MIPS32_R2
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select USB_OHCI_LITTLE_ENDIAN
	help
	  This enables support for the Cisco PowerTV Platform.

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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
	select SYS_HAS_EARLY_PRINTK
	select HAVE_MACH_CLKDEV
	select CLKDEV_LOOKUP

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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
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	select HW_HAS_EISA
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	select I8253
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	select I8259
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	select IP22_CPU_SCACHE
	select IRQ_CPU
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	select GENERIC_ISA_DMA_SUPPORT_BROKEN
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	select SGI_HAS_I8042
	select SGI_HAS_INDYDOG
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	select SGI_HAS_HAL2
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	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
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	select SWAP_IO_SPACE
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	select SYS_HAS_CPU_R4X00
	select SYS_HAS_CPU_R5000
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	#
	# 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
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	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	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
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	bool "SGI IP27 (Origin200/2000)"
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	select FW_ARC
	select FW_ARC64
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	select BOOT_ELF64
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	select DEFAULT_SGI_PARTITION
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	select DMA_COHERENT
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	select SYS_HAS_EARLY_PRINTK
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	select HW_HAS_PCI
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	select NR_CPUS_DEFAULT_64
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	select SYS_HAS_CPU_R10000
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	select SYS_SUPPORTS_64BIT_KERNEL
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	select SYS_SUPPORTS_BIG_ENDIAN
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	select SYS_SUPPORTS_NUMA
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	select SYS_SUPPORTS_SMP
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	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.

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config SGI_IP28
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	bool "SGI IP28 (Indigo2 R10k)"
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	select FW_ARC
	select FW_ARC64
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	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
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	select SGI_HAS_HAL2
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	select SGI_HAS_SEEQ
	select SGI_HAS_WD93
	select SGI_HAS_ZILOG
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_R10000
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	#
	# 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
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	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
      help
        This is the SGI Indigo2 with R10000 processor.  To compile a Linux
        kernel that runs on these, say Y here.

L
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545
config SGI_IP32
546
	bool "SGI IP32 (O2)"
547 548
	select FW_ARC
	select FW_ARC32
L
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549
	select BOOT_ELF32
550
	select CEVT_R4K
551
	select CSRC_R4K
L
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552 553
	select DMA_NONCOHERENT
	select HW_HAS_PCI
554
	select IRQ_CPU
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555 556
	select R5000_CPU_SCACHE
	select RM7000_CPU_SCACHE
557 558 559
	select SYS_HAS_CPU_R5000
	select SYS_HAS_CPU_R10000 if BROKEN
	select SYS_HAS_CPU_RM7000
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560
	select SYS_HAS_CPU_NEVADA
561
	select SYS_SUPPORTS_64BIT_KERNEL
562 563
	select SYS_SUPPORTS_BIG_ENDIAN
	help
564
	  If you want this kernel to run on SGI O2 workstation, say Y here.
L
Linus Torvalds 已提交
565

566 567
config SIBYTE_CRHINE
	bool "Sibyte BCM91120C-CRhine"
A
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568 569
	select BOOT_ELF32
	select DMA_COHERENT
570
	select SIBYTE_BCM1120
A
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571
	select SWAP_IO_SPACE
572
	select SYS_HAS_CPU_SB1
A
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573 574 575
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN

576 577
config SIBYTE_CARMEL
	bool "Sibyte BCM91120x-Carmel"
578
	select BOOT_ELF32
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579
	select DMA_COHERENT
580
	select SIBYTE_BCM1120
581
	select SWAP_IO_SPACE
582
	select SYS_HAS_CPU_SB1
583
	select SYS_SUPPORTS_BIG_ENDIAN
584
	select SYS_SUPPORTS_LITTLE_ENDIAN
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585

586 587
config SIBYTE_CRHONE
	bool "Sibyte BCM91125C-CRhone"
588 589
	select BOOT_ELF32
	select DMA_COHERENT
590
	select SIBYTE_BCM1125
591
	select SWAP_IO_SPACE
592
	select SYS_HAS_CPU_SB1
593
	select SYS_SUPPORTS_BIG_ENDIAN
594
	select SYS_SUPPORTS_HIGHMEM
595
	select SYS_SUPPORTS_LITTLE_ENDIAN
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597
config SIBYTE_RHONE
598
	bool "Sibyte BCM91125E-Rhone"
599 600 601 602
	select BOOT_ELF32
	select DMA_COHERENT
	select SIBYTE_BCM1125H
	select SWAP_IO_SPACE
603
	select SYS_HAS_CPU_SB1
604 605
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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606

607 608
config SIBYTE_SWARM
	bool "Sibyte BCM91250A-SWARM"
609
	select BOOT_ELF32
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610
	select DMA_COHERENT
611
	select HAVE_PATA_PLATFORM
612 613
	select NR_CPUS_DEFAULT_2
	select SIBYTE_SB1250
614
	select SWAP_IO_SPACE
615
	select SYS_HAS_CPU_SB1
616
	select SYS_SUPPORTS_BIG_ENDIAN
617
	select SYS_SUPPORTS_HIGHMEM
P
Pete Popov 已提交
618
	select SYS_SUPPORTS_LITTLE_ENDIAN
619
	select ZONE_DMA32 if 64BIT
P
Pete Popov 已提交
620

621 622
config SIBYTE_LITTLESUR
	bool "Sibyte BCM91250C2-LittleSur"
623 624
	select BOOT_ELF32
	select DMA_COHERENT
625
	select HAVE_PATA_PLATFORM
626
	select NR_CPUS_DEFAULT_2
627 628
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
629
	select SYS_HAS_CPU_SB1
630 631 632
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_HIGHMEM
	select SYS_SUPPORTS_LITTLE_ENDIAN
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633

634 635
config SIBYTE_SENTOSA
	bool "Sibyte BCM91250E-Sentosa"
636 637
	select BOOT_ELF32
	select DMA_COHERENT
638
	select NR_CPUS_DEFAULT_2
639 640
	select SIBYTE_SB1250
	select SWAP_IO_SPACE
641
	select SYS_HAS_CPU_SB1
642 643
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
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644

645 646
config SIBYTE_BIGSUR
	bool "Sibyte BCM91480B-BigSur"
647 648
	select BOOT_ELF32
	select DMA_COHERENT
649 650
	select NR_CPUS_DEFAULT_4
	select SIBYTE_BCM1x80
651
	select SWAP_IO_SPACE
652
	select SYS_HAS_CPU_SB1
653
	select SYS_SUPPORTS_BIG_ENDIAN
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654
	select SYS_SUPPORTS_HIGHMEM
655
	select SYS_SUPPORTS_LITTLE_ENDIAN
656
	select ZONE_DMA32 if 64BIT
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657

658 659
config SNI_RM
	bool "SNI RM200/300/400"
660 661
	select FW_ARC if CPU_LITTLE_ENDIAN
	select FW_ARC32 if CPU_LITTLE_ENDIAN
P
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662
	select FW_SNIPROM if CPU_BIG_ENDIAN
663
	select ARCH_MAY_HAVE_PC_FDC
L
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664
	select BOOT_ELF32
665
	select CEVT_R4K
666
	select CSRC_R4K
T
Thomas Bogendoerfer 已提交
667
	select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
L
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668 669
	select DMA_NONCOHERENT
	select GENERIC_ISA_DMA
670
	select HAVE_PCSPKR_PLATFORM
671
	select HW_HAS_EISA
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672
	select HW_HAS_PCI
673
	select IRQ_CPU
674
	select I8253
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675 676
	select I8259
	select ISA
677
	select SWAP_IO_SPACE if CPU_BIG_ENDIAN
678
	select SYS_HAS_CPU_R4X00
679
	select SYS_HAS_CPU_R5000
680
	select SYS_HAS_CPU_R10000
681
	select R5000_CPU_SCACHE
682
	select SYS_HAS_EARLY_PRINTK
683
	select SYS_SUPPORTS_32BIT_KERNEL
684
	select SYS_SUPPORTS_64BIT_KERNEL
685
	select SYS_SUPPORTS_BIG_ENDIAN
R
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686
	select SYS_SUPPORTS_HIGHMEM
687
	select SYS_SUPPORTS_LITTLE_ENDIAN
L
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688
	help
689 690
	  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
691 692 693
	  Technology and now in turn merged with Fujitsu.  Say Y here to
	  support this machine type.

694 695
config MACH_TX39XX
	bool "Toshiba TX39 series based machines"
696

697 698
config MACH_TX49XX
	bool "Toshiba TX49 series based machines"
699

700 701 702 703 704 705 706 707 708 709 710 711
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
712
	select ARCH_REQUIRE_GPIOLIB
713 714 715 716
	help
	  Support the Mikrotik(tm) RouterBoard 532 series,
	  based on the IDT RC32434 SoC.

717 718
config CAVIUM_OCTEON_SOC
	bool "Cavium Networks Octeon SoC based boards"
719 720 721 722 723
	select CEVT_R4K
	select 64BIT_PHYS_ADDR
	select DMA_COHERENT
	select SYS_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_BIG_ENDIAN
R
Ralf Baechle 已提交
724
	select EDAC_SUPPORT
725
	select SYS_SUPPORTS_HOTPLUG_CPU
726
	select SYS_HAS_EARLY_PRINTK
727
	select SYS_HAS_CPU_CAVIUM_OCTEON
728
	select SWAP_IO_SPACE
729 730
	select HW_HAS_PCI
	select ARCH_SUPPORTS_MSI
D
David Daney 已提交
731
	select ZONE_DMA32
732 733
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
734
	select HOLES_IN_ZONE
735
	select ARCH_REQUIRE_GPIOLIB
736 737 738 739 740 741 742 743 744 745 746 747 748
	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.

749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766
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
	select 64BIT_PHYS_ADDR
	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
767
	select ARCH_SUPPORTS_MSI
768
	select ZONE_DMA32 if 64BIT
769 770
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
771 772
	select USB_ARCH_HAS_OHCI if USB_SUPPORT
	select USB_ARCH_HAS_EHCI if USB_SUPPORT
773 774
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
775 776 777 778
	help
	  Support for systems based on Netlogic XLR and XLS processors.
	  Say Y here if you have a XLR or XLS based board.

779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796
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
	select 64BIT_PHYS_ADDR
	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
797
	select ZONE_DMA32 if 64BIT
798 799
	select SYNC_R4K
	select SYS_HAS_EARLY_PRINTK
800
	select USE_OF
801 802
	select SYS_SUPPORTS_ZBOOT
	select SYS_SUPPORTS_ZBOOT_UART16550
803 804 805 806
	help
	  This board is based on Netlogic XLP Processor.
	  Say Y here if you have a XLP based board.

807
endchoice
L
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808

R
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809
source "arch/mips/alchemy/Kconfig"
810
source "arch/mips/ath79/Kconfig"
811
source "arch/mips/bcm47xx/Kconfig"
812
source "arch/mips/bcm63xx/Kconfig"
813
source "arch/mips/jazz/Kconfig"
814
source "arch/mips/jz4740/Kconfig"
815
source "arch/mips/lantiq/Kconfig"
816
source "arch/mips/lasat/Kconfig"
R
Ralf Baechle 已提交
817
source "arch/mips/pmcs-msp71xx/Kconfig"
818
source "arch/mips/powertv/Kconfig"
J
John Crispin 已提交
819
source "arch/mips/ralink/Kconfig"
820
source "arch/mips/sgi-ip27/Kconfig"
821
source "arch/mips/sibyte/Kconfig"
A
Atsushi Nemoto 已提交
822
source "arch/mips/txx9/Kconfig"
823
source "arch/mips/vr41xx/Kconfig"
824
source "arch/mips/cavium-octeon/Kconfig"
825
source "arch/mips/loongson/Kconfig"
826
source "arch/mips/loongson1/Kconfig"
827
source "arch/mips/netlogic/Kconfig"
828

829 830
endmenu

L
Linus Torvalds 已提交
831 832 833 834 835 836 837
config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

838 839 840 841 842 843 844 845
config ARCH_HAS_ILOG2_U32
	bool
	default n

config ARCH_HAS_ILOG2_U64
	bool
	default n

846 847 848 849
config GENERIC_HWEIGHT
	bool
	default y

L
Linus Torvalds 已提交
850 851 852 853
config GENERIC_CALIBRATE_DELAY
	bool
	default y

854
config SCHED_OMIT_FRAME_POINTER
855 856 857
	bool
	default y

L
Linus Torvalds 已提交
858 859 860
#
# Select some configuration options automatically based on user selections.
#
861
config FW_ARC
L
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862 863
	bool

864 865 866
config ARCH_MAY_HAVE_PC_FDC
	bool

M
Marc St-Jean 已提交
867 868 869
config BOOT_RAW
	bool

870 871 872
config CEVT_BCM1480
	bool

873 874 875
config CEVT_DS1287
	bool

876 877 878
config CEVT_GT641XX
	bool

879 880 881
config CEVT_R4K
	bool

882 883 884
config CEVT_GIC
	bool

885 886 887
config CEVT_SB1250
	bool

888 889 890
config CEVT_TXX9
	bool

891 892 893
config CSRC_BCM1480
	bool

894 895 896
config CSRC_IOASIC
	bool

897 898 899
config CSRC_POWERTV
	bool

900 901 902
config CSRC_R4K
	bool

S
Steven J. Hill 已提交
903 904 905
config CSRC_GIC
	bool

906 907 908
config CSRC_SB1250
	bool

909
config GPIO_TXX9
M
Michael Buesch 已提交
910
	select ARCH_REQUIRE_GPIOLIB
911 912
	bool

913
config FW_CFE
914 915
	bool

916 917 918
config ARCH_DMA_ADDR_T_64BIT
	def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT

919
config DMA_COHERENT
L
Linus Torvalds 已提交
920 921
	bool

922 923
config DMA_NONCOHERENT
	bool
924
	select NEED_DMA_MAP_STATE
925

926
config NEED_DMA_MAP_STATE
L
Linus Torvalds 已提交
927 928
	bool

929
config SYS_HAS_EARLY_PRINTK
L
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930 931
	bool

932
config HOTPLUG_CPU
933
	bool "Support for hot-pluggable CPUs"
934
	depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
935 936 937 938 939 940 941 942
	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
943 944
	bool

L
Linus Torvalds 已提交
945 946 947 948 949 950 951 952 953
config I8259
	bool

config MIPS_BONITO64
	bool

config MIPS_MSC
	bool

954 955 956
config MIPS_NILE4
	bool

957 958 959
config SYNC_R4K
	bool

960 961 962
config MIPS_MACHINE
	def_bool n

963 964 965
config NO_IOPORT
	def_bool n

966 967 968
config GENERIC_ISA_DMA
	bool
	select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
969
	select ISA_DMA_API
970

971 972
config GENERIC_ISA_DMA_SUPPORT_BROKEN
	bool
973
	select GENERIC_ISA_DMA
974

975 976 977
config ISA_DMA_API
	bool

978 979 980
config HOLES_IN_ZONE
	bool

981
#
M
Masanari Iida 已提交
982
# Endianness selection.  Sufficiently obscure so many users don't know what to
983 984 985 986
# 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
987
	prompt "Endianness selection"
L
Linus Torvalds 已提交
988 989
	help
	  Some MIPS machines can be configured for either little or big endian
990
	  byte order. These modes require different kernels and a different
M
Matt LaPlante 已提交
991
	  Linux distribution.  In general there is one preferred byteorder for a
992
	  particular system but some systems are just as commonly used in the
993
	  one or the other endianness.
994 995 996 997 998 999 1000 1001 1002 1003 1004

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

1005 1006 1007
config EXPORT_UASM
	bool

1008 1009 1010
config SYS_SUPPORTS_APM_EMULATION
	bool

1011 1012 1013 1014 1015
config SYS_SUPPORTS_BIG_ENDIAN
	bool

config SYS_SUPPORTS_LITTLE_ENDIAN
	bool
L
Linus Torvalds 已提交
1016

1017 1018 1019 1020 1021
config SYS_SUPPORTS_HUGETLBFS
	bool
	depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
	default y

1022 1023 1024
config MIPS_HUGE_TLB_SUPPORT
	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

L
Linus Torvalds 已提交
1025 1026 1027 1028 1029 1030
config IRQ_CPU
	bool

config IRQ_CPU_RM7K
	bool

M
Marc St-Jean 已提交
1031 1032 1033 1034 1035 1036
config IRQ_MSP_SLP
	bool

config IRQ_MSP_CIC
	bool

1037 1038 1039
config IRQ_TXX9
	bool

Y
Yoichi Yuasa 已提交
1040 1041 1042
config IRQ_GT641XX
	bool

1043 1044 1045
config IRQ_GIC
	bool

1046
config PCI_GT64XXX_PCI0
L
Linus Torvalds 已提交
1047 1048
	bool

M
Marc St-Jean 已提交
1049 1050 1051
config NO_EXCEPT_FILL
	bool

1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063
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

1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079
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
	select CPU_MIPSR2_IRQ_VI

config SOC_PNX8335
	bool
	select SOC_PNX833X

L
Linus Torvalds 已提交
1080 1081 1082
config SWAP_IO_SPACE
	bool

T
Thomas Bogendoerfer 已提交
1083 1084 1085
config SGI_HAS_INDYDOG
	bool

1086 1087 1088
config SGI_HAS_HAL2
	bool

T
Thomas Bogendoerfer 已提交
1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103
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

1104
config FW_ARC32
1105 1106
	bool

P
Paul Bolle 已提交
1107
config FW_SNIPROM
1108 1109
	bool

L
Linus Torvalds 已提交
1110 1111 1112 1113 1114
config BOOT_ELF32
	bool

config MIPS_L1_CACHE_SHIFT
	int
1115
	default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
1116
	default "6" if MIPS_CPU_SCACHE
1117
	default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
L
Linus Torvalds 已提交
1118 1119 1120 1121 1122 1123 1124
	default "5"

config HAVE_STD_PC_SERIAL_PORT
	bool

config ARC_CONSOLE
	bool "ARC console support"
T
Thomas Bogendoerfer 已提交
1125
	depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
L
Linus Torvalds 已提交
1126 1127 1128

config ARC_MEMORY
	bool
1129
	depends on MACH_JAZZ || SNI_RM || SGI_IP32
L
Linus Torvalds 已提交
1130 1131 1132 1133
	default y

config ARC_PROMLIB
	bool
T
Thomas Bogendoerfer 已提交
1134
	depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
L
Linus Torvalds 已提交
1135 1136
	default y

1137
config FW_ARC64
L
Linus Torvalds 已提交
1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148
	bool

config BOOT_ELF64
	bool

menu "CPU selection"

choice
	prompt "CPU type"
	default CPU_R4X00

1149 1150 1151 1152
config CPU_LOONGSON2E
	bool "Loongson 2E"
	depends on SYS_HAS_CPU_LOONGSON2E
	select CPU_LOONGSON2
1153 1154 1155 1156
	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
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	  bonito64.

config CPU_LOONGSON2F
	bool "Loongson 2F"
	depends on SYS_HAS_CPU_LOONGSON2F
	select CPU_LOONGSON2
1164
	select ARCH_REQUIRE_GPIOLIB
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	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.

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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.

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config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
1183
	depends on SYS_HAS_CPU_MIPS32_R1
1184
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1186
	select CPU_SUPPORTS_HIGHMEM
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	help
1188
	  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"
1200
	depends on SYS_HAS_CPU_MIPS32_R2
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
1203
	select CPU_SUPPORTS_HIGHMEM
1204
	select HAVE_KVM
1205
	help
1206
	  Choose this option to build a kernel for release 2 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.

config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
1214
	depends on SYS_HAS_CPU_MIPS64_R1
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1218
	select CPU_SUPPORTS_HIGHMEM
1219
	select CPU_SUPPORTS_HUGEPAGES
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	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"
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	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
1237
	select CPU_SUPPORTS_HIGHMEM
1238
	select CPU_SUPPORTS_HUGEPAGES
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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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config CPU_R3000
	bool "R3000"
1248
	depends on SYS_HAS_CPU_R3000
1249
	select CPU_HAS_WB
1250
	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"
1262
	depends on SYS_HAS_CPU_TX39XX
1263
	select CPU_SUPPORTS_32BIT_KERNEL
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config CPU_VR41XX
	bool "R41xx"
1267
	depends on SYS_HAS_CPU_VR41XX
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	help
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	  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"
1278
	depends on SYS_HAS_CPU_R4300
1279 1280
	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"
1286
	depends on SYS_HAS_CPU_R4X00
1287 1288
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1289
	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"
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	depends on SYS_HAS_CPU_TX49XX
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	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HUGEPAGES
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config CPU_R5000
	bool "R5000"
1304
	depends on SYS_HAS_CPU_R5000
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1307
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
	bool "R5432"
1313
	depends on SYS_HAS_CPU_R5432
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1316
	select CPU_SUPPORTS_HUGEPAGES
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config CPU_R5500
	bool "R5500"
	depends on SYS_HAS_CPU_R5500
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1323
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
	  instruction set.

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config CPU_R6000
	bool "R6000"
1330
	depends on SYS_HAS_CPU_R6000
1331
	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"
1338
	depends on SYS_HAS_CPU_NEVADA
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
1341
	select CPU_SUPPORTS_HUGEPAGES
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	help
	  QED / PMC-Sierra RM52xx-series ("Nevada") processors.

config CPU_R8000
	bool "R8000"
1347
	depends on SYS_HAS_CPU_R8000
1348
	select CPU_HAS_PREFETCH
1349
	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"
1356
	depends on SYS_HAS_CPU_R10000
1357
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	select CPU_SUPPORTS_HUGEPAGES
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	help
	  MIPS Technologies R10000-series processors.

config CPU_RM7000
	bool "RM7000"
1367
	depends on SYS_HAS_CPU_RM7000
1368
	select CPU_HAS_PREFETCH
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
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	select CPU_SUPPORTS_HUGEPAGES
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config CPU_SB1
	bool "SB1"
1376
	depends on SYS_HAS_CPU_SB1
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	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
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	select CPU_SUPPORTS_HIGHMEM
1380
	select CPU_SUPPORTS_HUGEPAGES
1381
	select WEAK_ORDERING
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config CPU_CAVIUM_OCTEON
	bool "Cavium Octeon processor"
1385
	depends on SYS_HAS_CPU_CAVIUM_OCTEON
1386
	select ARCH_SPARSEMEM_ENABLE
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	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_64BIT_KERNEL
	select SYS_SUPPORTS_SMP
	select NR_CPUS_DEFAULT_16
	select WEAK_ORDERING
	select CPU_SUPPORTS_HIGHMEM
1393
	select CPU_SUPPORTS_HUGEPAGES
1394 1395
	select LIBFDT
	select USE_OF
1396
	select USB_EHCI_BIG_ENDIAN_MMIO
1397 1398 1399 1400 1401 1402
	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.

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config CPU_BMIPS3300
	bool "BMIPS3300"
	depends on SYS_HAS_CPU_BMIPS3300
1406
	select CPU_BMIPS
1407 1408 1409 1410 1411 1412
	help
	  Broadcom BMIPS3300 processors.

config CPU_BMIPS4350
	bool "BMIPS4350"
	depends on SYS_HAS_CPU_BMIPS4350
1413
	select CPU_BMIPS
1414 1415 1416 1417 1418 1419 1420 1421
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS4350 ("VIPER") processors.

config CPU_BMIPS4380
	bool "BMIPS4380"
	depends on SYS_HAS_CPU_BMIPS4380
1422
	select CPU_BMIPS
1423 1424 1425 1426 1427 1428 1429 1430
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS4380 processors.

config CPU_BMIPS5000
	bool "BMIPS5000"
	depends on SYS_HAS_CPU_BMIPS5000
1431
	select CPU_BMIPS
1432
	select CPU_SUPPORTS_HIGHMEM
1433
	select MIPS_CPU_SCACHE
1434 1435 1436 1437 1438
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_HOTPLUG_CPU
	help
	  Broadcom BMIPS5000 processors.

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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
1445
	select CPU_SUPPORTS_HUGEPAGES
1446 1447 1448 1449
	select WEAK_ORDERING
	select WEAK_REORDERING_BEYOND_LLSC
	help
	  Netlogic Microsystems XLR/XLS processors.
1450 1451 1452 1453 1454 1455 1456 1457 1458 1459

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
1460
	select CPU_MIPSR2
1461 1462
	help
	  Netlogic Microsystems XLP processors.
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endchoice

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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

1492 1493 1494 1495 1496
config SYS_SUPPORTS_ZBOOT
	bool
	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
1497
	select HAVE_KERNEL_LZO
1498 1499 1500 1501 1502

config SYS_SUPPORTS_ZBOOT_UART16550
	bool
	select SYS_SUPPORTS_ZBOOT

1503 1504 1505 1506 1507
config CPU_LOONGSON2
	bool
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
1508
	select CPU_SUPPORTS_HUGEPAGES
1509

1510 1511 1512 1513 1514 1515 1516 1517
config CPU_LOONGSON1
	bool
	select CPU_MIPS32
	select CPU_MIPSR2
	select CPU_HAS_PREFETCH
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM

1518 1519 1520 1521 1522 1523 1524 1525 1526
config CPU_BMIPS
	bool
	select CPU_MIPS32
	select CPU_SUPPORTS_32BIT_KERNEL
	select DMA_NONCOHERENT
	select IRQ_CPU
	select SWAP_IO_SPACE
	select WEAK_ORDERING

1527
config SYS_HAS_CPU_LOONGSON2E
1528 1529
	bool

1530 1531
config SYS_HAS_CPU_LOONGSON2F
	bool
1532 1533
	select CPU_SUPPORTS_CPUFREQ
	select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1534
	select CPU_SUPPORTS_UNCACHED_ACCELERATED
1535

1536 1537 1538
config SYS_HAS_CPU_LOONGSON1B
	bool

1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574
config SYS_HAS_CPU_MIPS32_R1
	bool

config SYS_HAS_CPU_MIPS32_R2
	bool

config SYS_HAS_CPU_MIPS64_R1
	bool

config SYS_HAS_CPU_MIPS64_R2
	bool

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

1575 1576 1577
config SYS_HAS_CPU_R5500
	bool

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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

1596 1597 1598
config SYS_HAS_CPU_CAVIUM_OCTEON
	bool

1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610
config SYS_HAS_CPU_BMIPS3300
	bool

config SYS_HAS_CPU_BMIPS4350
	bool

config SYS_HAS_CPU_BMIPS4380
	bool

config SYS_HAS_CPU_BMIPS5000
	bool

1611 1612 1613
config SYS_HAS_CPU_XLR
	bool

1614 1615 1616
config SYS_HAS_CPU_XLP
	bool

1617 1618 1619 1620
#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
1621 1622
config WEAK_ORDERING
	bool
1623 1624 1625 1626 1627 1628 1629

#
# 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
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endmenu

#
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# These two indicate any level of the MIPS32 and MIPS64 architecture
1634 1635 1636 1637 1638 1639 1640 1641 1642 1643
#
config CPU_MIPS32
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2

config CPU_MIPS64
	bool
	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2

#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
1645 1646 1647 1648 1649 1650 1651
#
config CPU_MIPSR1
	bool
	default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
	bool
1652
	default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1653 1654 1655 1656 1657 1658 1659 1660 1661

config SYS_SUPPORTS_32BIT_KERNEL
	bool
config SYS_SUPPORTS_64BIT_KERNEL
	bool
config CPU_SUPPORTS_32BIT_KERNEL
	bool
config CPU_SUPPORTS_64BIT_KERNEL
	bool
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config CPU_SUPPORTS_CPUFREQ
	bool
config CPU_SUPPORTS_ADDRWINCFG
	bool
1666 1667
config CPU_SUPPORTS_HUGEPAGES
	bool
1668 1669
config CPU_SUPPORTS_UNCACHED_ACCELERATED
	bool
1670 1671
config MIPS_PGD_C0_CONTEXT
	bool
1672
	default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
1673

1674 1675 1676 1677 1678
#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
1679
       default y if CPU_MIPSR1 || CPU_MIPSR2
1680

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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

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config KVM_GUEST
	bool "KVM Guest Kernel"
1707
	depends on BROKEN_ON_SMP
1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719
	help
	  Select this option if building a guest kernel for KVM (Trap & Emulate) mode

config KVM_HOST_FREQ
	int "KVM Host Processor Frequency (MHz)"
	depends on KVM_GUEST
	default 500
	help
	  Select this option if building a guest kernel for KVM to skip
	  RTC emulation when determining guest CPU Frequency.  Instead, the guest
	  processor frequency is automatically derived from the host frequency.

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choice
	prompt "Kernel page size"
	default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
	bool "4kB"
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	depends on !CPU_LOONGSON2
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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"
1735
	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
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	  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"
1744
	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
1748 1749
	  all non-R3000 family processors.  Note that you will need a suitable
	  Linux distribution to support this.
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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"
1762
	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
1767
	  writing this option is still high experimental.
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endchoice

1771 1772
config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
1773 1774 1775 1776 1777 1778
	range 14 64 if HUGETLB_PAGE && PAGE_SIZE_64KB
	default "14" if HUGETLB_PAGE && PAGE_SIZE_64KB
	range 13 64 if HUGETLB_PAGE && PAGE_SIZE_32KB
	default "13" if HUGETLB_PAGE && PAGE_SIZE_32KB
	range 12 64 if HUGETLB_PAGE && PAGE_SIZE_16KB
	default "12" if HUGETLB_PAGE && PAGE_SIZE_16KB
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	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.

1795 1796 1797 1798 1799 1800 1801 1802 1803
config CEVT_GIC
	bool "Use GIC global counter for clock events"
	depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
	help
	  Use the GIC global counter for the clock events. The R4K clock
	  event driver is always present, so if the platform ends up not
	  detecting a GIC, it will fall back to the R4K timer for the
	  generation of clock events.

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config BOARD_SCACHE
	bool

config IP22_CPU_SCACHE
	bool
	select BOARD_SCACHE

1811 1812 1813 1814 1815 1816 1817
#
# 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
1835
	bool
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1837 1838 1839 1840
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)

1845 1846 1847 1848
config CPU_R4K_CACHE_TLB
	bool
	default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

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choice
	prompt "MIPS MT options"
1851 1852 1853 1854 1855 1856 1857 1858

config MIPS_MT_DISABLED
	bool "Disable multithreading support."
	help
	  Use this option if your workload can't take advantage of
	  MIPS hardware multithreading support.  On systems that don't have
	  the option of an MT-enabled processor this option will be the only
	  option in this menu.
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config MIPS_MT_SMP
	bool "Use 1 TC on each available VPE for SMP"
1862
	depends on SYS_SUPPORTS_MULTITHREADING
1863
	select CPU_MIPSR2_IRQ_VI
1864
	select CPU_MIPSR2_IRQ_EI
1865
	select MIPS_MT
1866
	select NR_CPUS_DEFAULT_2
1867
	select SMP
1868
	select SYS_SUPPORTS_SCHED_SMT if SMP
1869
	select SYS_SUPPORTS_SMP
1870
	select SMP_UP
1871
	select MIPS_PERF_SHARED_TC_COUNTERS
1872
	help
1873 1874 1875 1876 1877 1878 1879 1880 1881 1882
	  This is a kernel model which is known a VSMP but lately has been
	  marketesed into SMVP.
	  Virtual SMP uses the processor's VPEs  to implement virtual
	  processors. In currently available configuration of the 34K processor
	  this allows for a dual processor. Both processors will share the same
	  primary caches; each will obtain the half of the TLB for it's own
	  exclusive use. For a layman this model can be described as similar to
	  what Intel calls Hyperthreading.

	  For further information see http://www.linux-mips.org/wiki/34K#VSMP
1883

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config MIPS_MT_SMTC
	bool "SMTC: Use all TCs on all VPEs for SMP"
	depends on CPU_MIPS32_R2
	#depends on CPU_MIPS64_R2		# once there is hardware ...
1888 1889
	depends on SYS_SUPPORTS_MULTITHREADING
	select CPU_MIPSR2_IRQ_VI
1890
	select CPU_MIPSR2_IRQ_EI
1891
	select MIPS_MT
1892
	select NR_CPUS_DEFAULT_8
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	select SMP
1894
	select SYS_SUPPORTS_SMP
1895
	select SMP_UP
1896
	help
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	  This is a kernel model which is known a SMTC or lately has been
	  marketesed into SMVP.
1899 1900 1901 1902 1903 1904 1905 1906
	  is presenting the available TC's of the core as processors to Linux.
	  On currently available 34K processors this means a Linux system will
	  see up to 5 processors. The implementation of the SMTC kernel differs
	  significantly from VSMP and cannot efficiently coexist in the same
	  kernel binary so the choice between VSMP and SMTC is a compile time
	  decision.

	  For further information see http://www.linux-mips.org/wiki/34K#SMTC
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endchoice

1910 1911 1912
config MIPS_MT
	bool

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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

1925 1926 1927
config SYS_SUPPORTS_MULTITHREADING
	bool

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config MIPS_MT_FPAFF
	bool "Dynamic FPU affinity for FP-intensive threads"
	default y
1931 1932 1933 1934
	depends on MIPS_MT_SMP || MIPS_MT_SMTC

config MIPS_VPE_LOADER
	bool "VPE loader support."
1935
	depends on SYS_SUPPORTS_MULTITHREADING && MODULES
1936 1937 1938 1939 1940 1941
	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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1943 1944 1945
config MIPS_MT_SMTC_IM_BACKSTOP
	bool "Use per-TC register bits as backstop for inhibited IM bits"
	depends on MIPS_MT_SMTC
1946
	default n
1947 1948 1949 1950 1951 1952
	help
	  To support multiple TC microthreads acting as "CPUs" within
	  a VPE, VPE-wide interrupt mask bits must be specially manipulated
	  during interrupt handling. To support legacy drivers and interrupt
	  controller management code, SMTC has a "backstop" to track and
	  if necessary restore the interrupt mask. This has some performance
1953
	  impact on interrupt service overhead.
1954

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config MIPS_MT_SMTC_IRQAFF
	bool "Support IRQ affinity API"
	depends on MIPS_MT_SMTC
	default n
	help
	  Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
	  for SMTC Linux kernel. Requires platform support, of which
	  an example can be found in the MIPS kernel i8259 and Malta
1963 1964
	  platform code.  Adds some overhead to interrupt dispatch, and
	  should be used only if you know what you are doing.
1965

1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977
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.

# this should possibly be in drivers/char, but it is rather cpu related. Hmmm
config MIPS_VPE_APSP_API
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	bool "Enable support for AP/SP API (RTLX)"
	depends on MIPS_VPE_LOADER
	help
1981

1982 1983 1984
config MIPS_CMP
	bool "MIPS CMP framework support"
	depends on SYS_SUPPORTS_MIPS_CMP
1985
	select SYNC_R4K
1986 1987 1988 1989 1990 1991 1992 1993
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_SCHED_SMT if SMP
	select WEAK_ORDERING
	default n
	help
	  This is a placeholder option for the GCMP work. It will need to
	  be handled differently...

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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

2009

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config 64BIT_PHYS_ADDR
2011
	bool
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2013 2014 2015
config ARCH_PHYS_ADDR_T_64BIT
       def_bool 64BIT_PHYS_ADDR

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config CPU_HAS_SMARTMIPS
	depends on SYS_SUPPORTS_SMARTMIPS
	bool "Support for the SmartMIPS ASE"
	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.

2028 2029 2030 2031 2032 2033 2034
config CPU_MICROMIPS
	depends on SYS_SUPPORTS_MICROMIPS
	bool "Build kernel using microMIPS ISA"
	help
	  When this option is enabled the kernel will be built using the
	  microMIPS ISA

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config CPU_HAS_WB
2036
	bool
2037

2038 2039 2040
config XKS01
	bool

2041 2042 2043
#
# Vectored interrupt mode is an R2 feature
#
2044
config CPU_MIPSR2_IRQ_VI
2045
	bool
2046

2047 2048 2049
#
# Extended interrupt mode is an R2 feature
#
2050
config CPU_MIPSR2_IRQ_EI
2051
	bool
2052

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config CPU_HAS_SYNC
	bool
	depends on !CPU_R3000
	default y

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#
# 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"
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	depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM

config CPU_SUPPORTS_HIGHMEM
	bool

config SYS_SUPPORTS_HIGHMEM
	bool
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2094 2095 2096
config SYS_SUPPORTS_SMARTMIPS
	bool

2097 2098 2099
config SYS_SUPPORTS_MICROMIPS
	bool

2100 2101
config ARCH_FLATMEM_ENABLE
	def_bool y
2102
	depends on !NUMA && !CPU_LOONGSON2
2103

2104 2105 2106 2107
config ARCH_DISCONTIGMEM_ENABLE
	bool
	default y if SGI_IP27
	help
2108
	  Say Y to support efficient handling of discontiguous physical memory,
2109 2110 2111 2112
	  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.

2113 2114
config ARCH_SPARSEMEM_ENABLE
	bool
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	select SPARSEMEM_STATIC
2116

2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129
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

2135 2136
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
2137
	depends on PERF_EVENTS && !MIPS_MT_SMTC && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP)
2138 2139 2140 2141 2142
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

2143 2144
source "mm/Kconfig"

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config SMP
	bool "Multi-Processing support"
2147
	depends on SYS_SUPPORTS_SMP
2148
	select USE_GENERIC_SMP_HELPERS
2149
	help
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	  This enables support for systems with more than one CPU. If you have
	  a system with only one CPU, like most personal computers, say N. If
	  you have a system with more than one CPU, say Y.

	  If you say N here, the kernel will run on single and multiprocessor
	  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,
	  singleprocessor machines. On a singleprocessor machine, the kernel
	  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.

2168 2169 2170
config SMP_UP
	bool

2171 2172 2173
config SYS_SUPPORTS_MIPS_CMP
	bool

2174 2175 2176
config SYS_SUPPORTS_SMP
	bool

2177 2178 2179
config NR_CPUS_DEFAULT_1
	bool

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config NR_CPUS_DEFAULT_2
	bool

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
	int "Maximum number of CPUs (2-64)"
2200
	range 1 64 if NR_CPUS_DEFAULT_1
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	depends on SMP
2202
	default "1" if NR_CPUS_DEFAULT_1
2203 2204 2205 2206 2207 2208
	default "2" if NR_CPUS_DEFAULT_2
	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
2213 2214
	  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
2217 2218 2219
	  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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2221 2222 2223
config MIPS_PERF_SHARED_TC_COUNTERS
	bool

2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234
#
# Timer Interrupt Frequency Configuration
#

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

	config HZ_48
2235
		bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294

	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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source "kernel/Kconfig.preempt"
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2297
config KEXEC
2298
	bool "Kexec system call"
2299 2300 2301
	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
2302
	  but it is independent of the system firmware.   And like a reboot
2303 2304
	  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.
2306 2307 2308 2309 2310 2311 2312

	  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
	  initially work for you.  It may help to enable device hotplugging
	  support.  As of this writing the exact hardware interface is
	  strongly in flux, so no good recommendation can be made.

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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).

2336 2337
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
2338
	depends on PROC_FS
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	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.

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config CC_STACKPROTECTOR
	bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
	help
	  This option turns on the -fstack-protector GCC feature. This
	  feature puts, at the beginning of functions, a canary value on
	  the stack just before the return address, and validates
	  the value just before actually returning.  Stack based buffer
	  overflows (that need to overwrite this return address) now also
	  overwrite the canary, which gets detected and the attack is then
	  neutralized via a kernel panic.

	  This feature requires gcc version 4.2 or above.

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config USE_OF
2367
	bool
2368
	select OF
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	select OF_EARLY_FLATTREE
2370
	select IRQ_DOMAIN
2371

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endmenu

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config LOCKDEP_SUPPORT
	bool
	default y

config STACKTRACE_SUPPORT
	bool
	default y

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source "init/Kconfig"

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source "kernel/Kconfig.freezer"

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

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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
2396
	select PCI_DOMAINS
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	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.

config PCI_DOMAINS
	bool

source "drivers/pci/Kconfig"

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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"
2421
	depends on HW_HAS_EISA
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	select ISA
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	select GENERIC_ISA_DMA
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	---help---
	  The Extended Industry Standard Architecture (EISA) bus was
	  developed as an open alternative to the IBM MicroChannel bus.

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

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

	  Otherwise, say N.

source "drivers/eisa/Kconfig"

config TC
	bool "TURBOchannel support"
	depends on MACH_DECSTATION
	help
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	  TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
	  processors.  TURBOchannel programming specifications are available
	  at:
	  <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
	  and:
	  <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
	  Linux driver support status is documented at:
	  <http://www.linux-mips.org/wiki/DECstation>
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config MMU
	bool
	default y

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config I8253
	bool
2458
	select CLKSRC_I8253
2459
	select CLKEVT_I8253
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	select MIPS_EXTERNAL_TIMER
2461

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config ZONE_DMA
	bool

2465 2466 2467
config ZONE_DMA32
	bool

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source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

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config RAPIDIO
	bool "RapidIO support"
	depends on PCI
	default n
	help
	  If you say Y here, the kernel will include drivers and
	  infrastructure code to support RapidIO interconnect devices.

source "drivers/rapidio/Kconfig"

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endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

config TRAD_SIGNALS
	bool

config MIPS32_COMPAT
	bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
2493
	depends on 64BIT
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	help
	  Select this option if you want Linux/MIPS 32-bit binary
	  compatibility. Since all software available for Linux/MIPS is
	  currently 32-bit you should say Y here.

config COMPAT
	bool
	depends on MIPS32_COMPAT
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	select ARCH_WANT_OLD_COMPAT_IPC
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	default y

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config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

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config MIPS32_O32
	bool "Kernel support for o32 binaries"
	depends on MIPS32_COMPAT
	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"
	depends on MIPS32_COMPAT
	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

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endmenu

menu "Power management options"

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config ARCH_HIBERNATION_POSSIBLE
	def_bool y
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	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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config ARCH_SUSPEND_POSSIBLE
	def_bool y
2545
	depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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2547
source "kernel/power/Kconfig"
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endmenu

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config MIPS_EXTERNAL_TIMER
	bool

if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
menu "CPU Power Management"
source "drivers/cpufreq/Kconfig"
endmenu
endif
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source "net/Kconfig"

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source "drivers/Kconfig"

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source "drivers/firmware/Kconfig"

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source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
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source "arch/mips/kvm/Kconfig"