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[linux/fpc-iii.git] / arch / mips / Kconfig

config MIPS
        bool
        default y
        select HAVE_GENERIC_DMA_COHERENT
        select HAVE_IDE
        select HAVE_OPROFILE
        select HAVE_PERF_EVENTS
        select PERF_USE_VMALLOC
        select HAVE_ARCH_KGDB
        select ARCH_HAVE_CUSTOM_GPIO_H
        select HAVE_FUNCTION_TRACER
        select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_DYNAMIC_FTRACE
        select HAVE_FTRACE_MCOUNT_RECORD
        select HAVE_C_RECORDMCOUNT
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_KPROBES
        select HAVE_KRETPROBES
        select HAVE_DEBUG_KMEMLEAK
        select ARCH_BINFMT_ELF_RANDOMIZE_PIE
        select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
        select RTC_LIB if !MACH_LOONGSON
        select GENERIC_ATOMIC64 if !64BIT
        select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
        select HAVE_DMA_ATTRS
        select HAVE_DMA_API_DEBUG
        select HAVE_GENERIC_HARDIRQS
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
        select HAVE_ARCH_JUMP_LABEL
        select ARCH_WANT_IPC_PARSE_VERSION
        select IRQ_FORCED_THREADING
        select HAVE_MEMBLOCK
        select HAVE_MEMBLOCK_NODE_MAP
        select ARCH_DISCARD_MEMBLOCK
        select GENERIC_SMP_IDLE_THREAD
        select BUILDTIME_EXTABLE_SORT
        select GENERIC_CLOCKEVENTS
        select GENERIC_CMOS_UPDATE
        select HAVE_MOD_ARCH_SPECIFIC
        select VIRT_TO_BUS
        select MODULES_USE_ELF_REL if MODULES
        select MODULES_USE_ELF_RELA if MODULES && 64BIT
        select CLONE_BACKWARDS

menu "Machine selection"

config ZONE_DMA
        bool

choice
        prompt "System type"
        default SGI_IP22

config MIPS_ALCHEMY
        bool "Alchemy processor based machines"
        select 64BIT_PHYS_ADDR
        select CEVT_R4K
        select CSRC_R4K
        select IRQ_CPU
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_APM_EMULATION
        select ARCH_REQUIRE_GPIOLIB
        select SYS_SUPPORTS_ZBOOT
        select USB_ARCH_HAS_OHCI
        select USB_ARCH_HAS_EHCI

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
        select SYS_SUPPORTS_ZBOOT_UART16550
        select ARCH_REQUIRE_GPIOLIB
        select VLYNQ
        select HAVE_CLK
        help
          Support for the Texas Instruments AR7 System-on-a-Chip
          family: TNETD7100, 7200 and 7300.

config ATH79
        bool "Atheros AR71XX/AR724X/AR913X based boards"
        select ARCH_REQUIRE_GPIOLIB
        select BOOT_RAW
        select CEVT_R4K
        select CSRC_R4K
        select DMA_NONCOHERENT
        select HAVE_CLK
        select IRQ_CPU
        select MIPS_MACHINE
        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.

config BCM47XX
        bool "Broadcom BCM47XX based boards"
        select ARCH_WANT_OPTIONAL_GPIOLIB
        select BOOT_RAW
        select CEVT_R4K
        select CSRC_R4K
        select DMA_NONCOHERENT
        select FW_CFE
        select HW_HAS_PCI
        select IRQ_CPU
        select NO_EXCEPT_FILL
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_HAS_EARLY_PRINTK
        help
         Support for BCM47XX based boards

config BCM63XX
        bool "Broadcom BCM63XX based boards"
        select CEVT_R4K
        select CSRC_R4K
        select DMA_NONCOHERENT
        select IRQ_CPU
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_HAS_EARLY_PRINTK
        select SWAP_IO_SPACE
        select ARCH_REQUIRE_GPIOLIB
        select HAVE_CLK
        help
         Support for BCM63XX based boards

config MIPS_COBALT
        bool "Cobalt Server"
        select CEVT_R4K
        select CSRC_R4K
        select CEVT_GT641XX
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select I8253
        select I8259
        select IRQ_CPU
        select IRQ_GT641XX
        select PCI_GT64XXX_PCI0
        select PCI
        select SYS_HAS_CPU_NEVADA
        select SYS_HAS_EARLY_PRINTK
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN

config MACH_DECSTATION
        bool "DECstations"
        select BOOT_ELF32
        select CEVT_DS1287
        select CEVT_R4K
        select CSRC_IOASIC
        select CSRC_R4K
        select CPU_DADDI_WORKAROUNDS if 64BIT
        select CPU_R4000_WORKAROUNDS if 64BIT
        select CPU_R4400_WORKAROUNDS if 64BIT
        select DMA_NONCOHERENT
        select NO_IOPORT
        select IRQ_CPU
        select SYS_HAS_CPU_R3000
        select SYS_HAS_CPU_R4X00
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_128HZ
        select SYS_SUPPORTS_256HZ
        select SYS_SUPPORTS_1024HZ
        help
          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:

                DECstation 5000/50
                DECstation 5000/150
                DECstation 5000/260
                DECsystem 5900/260

          otherwise choose R3000.

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

config MACH_JZ4740
        bool "Ingenic JZ4740 based machines"
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select SYS_SUPPORTS_ZBOOT_UART16550
        select DMA_NONCOHERENT
        select IRQ_CPU
        select ARCH_REQUIRE_GPIOLIB
        select SYS_HAS_EARLY_PRINTK
        select HAVE_PWM
        select HAVE_CLK
        select GENERIC_IRQ_CHIP

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
        select HAVE_MACH_CLKDEV
        select CLKDEV_LOOKUP
        select USE_OF
        select PINCTRL
        select PINCTRL_LANTIQ

config LASAT
        bool "LASAT Networks platforms"
        select CEVT_R4K
        select CSRC_R4K
        select DMA_NONCOHERENT
        select SYS_HAS_EARLY_PRINTK
        select HW_HAS_PCI
        select IRQ_CPU
        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

config MACH_LOONGSON
        bool "Loongson family of machines"
        select SYS_SUPPORTS_ZBOOT
        help
          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.

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.

config MIPS_MALTA
        bool "MIPS Malta board"
        select ARCH_MAY_HAVE_PC_FDC
        select BOOT_ELF32
        select BOOT_RAW
        select CEVT_R4K
        select CSRC_R4K
        select CSRC_GIC
        select DMA_NONCOHERENT
        select GENERIC_ISA_DMA
        select HAVE_PCSPKR_PLATFORM
        select IRQ_CPU
        select IRQ_GIC
        select HW_HAS_PCI
        select I8253
        select I8259
        select MIPS_BONITO64
        select MIPS_CPU_SCACHE
        select PCI_GT64XXX_PCI0
        select MIPS_MSC
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_HAS_CPU_MIPS32_R2
        select SYS_HAS_CPU_MIPS64_R1
        select SYS_HAS_CPU_MIPS64_R2
        select SYS_HAS_CPU_NEVADA
        select SYS_HAS_CPU_RM7000
        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_MIPS_CMP
        select SYS_SUPPORTS_MULTITHREADING
        select SYS_SUPPORTS_SMARTMIPS
        select SYS_SUPPORTS_ZBOOT
        help
          This enables support for the MIPS Technologies Malta evaluation
          board.

config MIPS_SEAD3
        bool "MIPS SEAD3 board"
        select BOOT_ELF32
        select BOOT_RAW
        select CEVT_R4K
        select CSRC_R4K
        select CSRC_GIC
        select CPU_MIPSR2_IRQ_VI
        select CPU_MIPSR2_IRQ_EI
        select DMA_NONCOHERENT
        select IRQ_CPU
        select IRQ_GIC
        select MIPS_CPU_SCACHE
        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
        select SYS_SUPPORTS_MICROMIPS
        select USB_ARCH_HAS_EHCI
        select USB_EHCI_BIG_ENDIAN_DESC
        select USB_EHCI_BIG_ENDIAN_MMIO
        select USE_OF
        help
          This enables support for the MIPS Technologies SEAD3 evaluation
          board.

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.

config MACH_VR41XX
        bool "NEC VR4100 series based machines"
        select CEVT_R4K
        select CSRC_R4K
        select SYS_HAS_CPU_VR41XX
        select ARCH_REQUIRE_GPIOLIB

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.

config PMC_MSP
        bool "PMC-Sierra MSP chipsets"
        select CEVT_R4K
        select CSRC_R4K
        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
        select USB_EHCI_BIG_ENDIAN_MMIO
        select USB_EHCI_BIG_ENDIAN_DESC
        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.

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_EARLY_PRINTK
        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.

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

config SGI_IP22
        bool "SGI IP22 (Indy/Indigo2)"
        select FW_ARC
        select FW_ARC32
        select BOOT_ELF32
        select CEVT_R4K
        select CSRC_R4K
        select DEFAULT_SGI_PARTITION
        select DMA_NONCOHERENT
        select HW_HAS_EISA
        select I8253
        select I8259
        select IP22_CPU_SCACHE
        select IRQ_CPU
        select GENERIC_ISA_DMA_SUPPORT_BROKEN
        select SGI_HAS_I8042
        select SGI_HAS_INDYDOG
        select SGI_HAS_HAL2
        select SGI_HAS_SEEQ
        select SGI_HAS_WD93
        select SGI_HAS_ZILOG
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_R4X00
        select SYS_HAS_CPU_R5000
        #
        # 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
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        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
        bool "SGI IP27 (Origin200/2000)"
        select FW_ARC
        select FW_ARC64
        select BOOT_ELF64
        select DEFAULT_SGI_PARTITION
        select DMA_COHERENT
        select SYS_HAS_EARLY_PRINTK
        select HW_HAS_PCI
        select NR_CPUS_DEFAULT_64
        select SYS_HAS_CPU_R10000
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_NUMA
        select SYS_SUPPORTS_SMP
        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.

config SGI_IP28
        bool "SGI IP28 (Indigo2 R10k)"
        select FW_ARC
        select FW_ARC64
        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
        select SGI_HAS_HAL2
        select SGI_HAS_SEEQ
        select SGI_HAS_WD93
        select SGI_HAS_ZILOG
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_R10000
        #
        # 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
        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.

config SGI_IP32
        bool "SGI IP32 (O2)"
        select FW_ARC
        select FW_ARC32
        select BOOT_ELF32
        select CEVT_R4K
        select CSRC_R4K
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select IRQ_CPU
        select R5000_CPU_SCACHE
        select RM7000_CPU_SCACHE
        select SYS_HAS_CPU_R5000
        select SYS_HAS_CPU_R10000 if BROKEN
        select SYS_HAS_CPU_RM7000
        select SYS_HAS_CPU_NEVADA
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        help
          If you want this kernel to run on SGI O2 workstation, say Y here.

config SIBYTE_CRHINE
        bool "Sibyte BCM91120C-CRhine"
        select BOOT_ELF32
        select DMA_COHERENT
        select SIBYTE_BCM1120
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN

config SIBYTE_CARMEL
        bool "Sibyte BCM91120x-Carmel"
        select BOOT_ELF32
        select DMA_COHERENT
        select SIBYTE_BCM1120
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN

config SIBYTE_CRHONE
        bool "Sibyte BCM91125C-CRhone"
        select BOOT_ELF32
        select DMA_COHERENT
        select SIBYTE_BCM1125
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_LITTLE_ENDIAN

config SIBYTE_RHONE
        bool "Sibyte BCM91125E-Rhone"
        select BOOT_ELF32
        select DMA_COHERENT
        select SIBYTE_BCM1125H
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN

config SIBYTE_SWARM
        bool "Sibyte BCM91250A-SWARM"
        select BOOT_ELF32
        select DMA_COHERENT
        select HAVE_PATA_PLATFORM
        select NR_CPUS_DEFAULT_2
        select SIBYTE_SB1250
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select ZONE_DMA32 if 64BIT

config SIBYTE_LITTLESUR
        bool "Sibyte BCM91250C2-LittleSur"
        select BOOT_ELF32
        select DMA_COHERENT
        select HAVE_PATA_PLATFORM
        select NR_CPUS_DEFAULT_2
        select SIBYTE_SB1250
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_LITTLE_ENDIAN

config SIBYTE_SENTOSA
        bool "Sibyte BCM91250E-Sentosa"
        select BOOT_ELF32
        select DMA_COHERENT
        select NR_CPUS_DEFAULT_2
        select SIBYTE_SB1250
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN

config SIBYTE_BIGSUR
        bool "Sibyte BCM91480B-BigSur"
        select BOOT_ELF32
        select DMA_COHERENT
        select NR_CPUS_DEFAULT_4
        select SIBYTE_BCM1x80
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_SB1
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_LITTLE_ENDIAN
        select ZONE_DMA32 if 64BIT

config SNI_RM
        bool "SNI RM200/300/400"
        select FW_ARC if CPU_LITTLE_ENDIAN
        select FW_ARC32 if CPU_LITTLE_ENDIAN
        select FW_SNIPROM if CPU_BIG_ENDIAN
        select ARCH_MAY_HAVE_PC_FDC
        select BOOT_ELF32
        select CEVT_R4K
        select CSRC_R4K
        select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
        select DMA_NONCOHERENT
        select GENERIC_ISA_DMA
        select HAVE_PCSPKR_PLATFORM
        select HW_HAS_EISA
        select HW_HAS_PCI
        select IRQ_CPU
        select I8253
        select I8259
        select ISA
        select SWAP_IO_SPACE if CPU_BIG_ENDIAN
        select SYS_HAS_CPU_R4X00
        select SYS_HAS_CPU_R5000
        select SYS_HAS_CPU_R10000
        select R5000_CPU_SCACHE
        select SYS_HAS_EARLY_PRINTK
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HIGHMEM
        select SYS_SUPPORTS_LITTLE_ENDIAN
        help
          The SNI RM200/300/400 are MIPS-based machines manufactured by
          Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
          Technology and now in turn merged with Fujitsu.  Say Y here to
          support this machine type.

config MACH_TX39XX
        bool "Toshiba TX39 series based machines"

config MACH_TX49XX
        bool "Toshiba TX49 series based machines"

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
        select ARCH_REQUIRE_GPIOLIB
        help
          Support the Mikrotik(tm) RouterBoard 532 series,
          based on the IDT RC32434 SoC.

config WR_PPMC
        bool "Wind River PPMC board"
        select CEVT_R4K
        select CSRC_R4K
        select IRQ_CPU
        select BOOT_ELF32
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select PCI_GT64XXX_PCI0
        select SWAP_IO_SPACE
        select SYS_HAS_CPU_MIPS32_R1
        select SYS_HAS_CPU_MIPS32_R2
        select SYS_HAS_CPU_MIPS64_R1
        select SYS_HAS_CPU_NEVADA
        select SYS_HAS_CPU_RM7000
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN
        help
          This enables support for the Wind River MIPS32 4KC PPMC evaluation
          board, which is based on GT64120 bridge chip.

config CAVIUM_OCTEON_SIMULATOR
        bool "Cavium Networks Octeon Simulator"
        select CEVT_R4K
        select 64BIT_PHYS_ADDR
        select DMA_COHERENT
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_HOTPLUG_CPU
        select SYS_HAS_CPU_CAVIUM_OCTEON
        select HOLES_IN_ZONE
        help
          The Octeon simulator is software performance model of the Cavium
          Octeon Processor. It supports simulating Octeon processors on x86
          hardware.

config CAVIUM_OCTEON_REFERENCE_BOARD
        bool "Cavium Networks Octeon reference board"
        select CEVT_R4K
        select 64BIT_PHYS_ADDR
        select DMA_COHERENT
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        select EDAC_SUPPORT
        select SYS_SUPPORTS_HOTPLUG_CPU
        select SYS_HAS_EARLY_PRINTK
        select SYS_HAS_CPU_CAVIUM_OCTEON
        select SWAP_IO_SPACE
        select HW_HAS_PCI
        select ARCH_SUPPORTS_MSI
        select ZONE_DMA32
        select USB_ARCH_HAS_OHCI
        select USB_ARCH_HAS_EHCI
        select HOLES_IN_ZONE
        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.

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
        select ARCH_SUPPORTS_MSI
        select ZONE_DMA32 if 64BIT
        select SYNC_R4K
        select SYS_HAS_EARLY_PRINTK
        select USB_ARCH_HAS_OHCI if USB_SUPPORT
        select USB_ARCH_HAS_EHCI if USB_SUPPORT
        help
          Support for systems based on Netlogic XLR and XLS processors.
          Say Y here if you have a XLR or XLS based board.

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
        select ZONE_DMA32 if 64BIT
        select SYNC_R4K
        select SYS_HAS_EARLY_PRINTK
        select USE_OF
        help
          This board is based on Netlogic XLP Processor.
          Say Y here if you have a XLP based board.

endchoice

source "arch/mips/alchemy/Kconfig"
source "arch/mips/ath79/Kconfig"
source "arch/mips/bcm47xx/Kconfig"
source "arch/mips/bcm63xx/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/jz4740/Kconfig"
source "arch/mips/lantiq/Kconfig"
source "arch/mips/lasat/Kconfig"
source "arch/mips/pmcs-msp71xx/Kconfig"
source "arch/mips/powertv/Kconfig"
source "arch/mips/ralink/Kconfig"
source "arch/mips/sgi-ip27/Kconfig"
source "arch/mips/sibyte/Kconfig"
source "arch/mips/txx9/Kconfig"
source "arch/mips/vr41xx/Kconfig"
source "arch/mips/cavium-octeon/Kconfig"
source "arch/mips/loongson/Kconfig"
source "arch/mips/loongson1/Kconfig"
source "arch/mips/netlogic/Kconfig"

endmenu

config RWSEM_GENERIC_SPINLOCK
        bool
        default y

config RWSEM_XCHGADD_ALGORITHM
        bool

config ARCH_HAS_ILOG2_U32
        bool
        default n

config ARCH_HAS_ILOG2_U64
        bool
        default n

config GENERIC_HWEIGHT
        bool
        default y

config GENERIC_CALIBRATE_DELAY
        bool
        default y

config SCHED_OMIT_FRAME_POINTER
        bool
        default y

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

config ARCH_MAY_HAVE_PC_FDC
        bool

config BOOT_RAW
        bool

config CEVT_BCM1480
        bool

config CEVT_DS1287
        bool

config CEVT_GT641XX
        bool

config CEVT_R4K
        bool

config CEVT_GIC
        bool

config CEVT_SB1250
        bool

config CEVT_TXX9
        bool

config CSRC_BCM1480
        bool

config CSRC_IOASIC
        bool

config CSRC_POWERTV
        bool

config CSRC_R4K
        bool

config CSRC_GIC
        bool

config CSRC_SB1250
        bool

config GPIO_TXX9
        select ARCH_REQUIRE_GPIOLIB
        bool

config FW_CFE
        bool

config ARCH_DMA_ADDR_T_64BIT
        def_bool (HIGHMEM && 64BIT_PHYS_ADDR) || 64BIT

config DMA_COHERENT
        bool

config DMA_NONCOHERENT
        bool
        select NEED_DMA_MAP_STATE

config NEED_DMA_MAP_STATE
        bool

config SYS_HAS_EARLY_PRINTK
        bool

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

config SYS_SUPPORTS_HOTPLUG_CPU
        bool

config I8259
        bool

config MIPS_BONITO64
        bool

config MIPS_MSC
        bool

config MIPS_NILE4
        bool

config SYNC_R4K
        bool

config MIPS_MACHINE
        def_bool n

config NO_IOPORT
        def_bool n

config GENERIC_ISA_DMA
        bool
        select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
        select ISA_DMA_API

config GENERIC_ISA_DMA_SUPPORT_BROKEN
        bool
        select GENERIC_ISA_DMA

config ISA_DMA_API
        bool

config HOLES_IN_ZONE
        bool

#
# Endianness selection.  Sufficiently obscure so many users don't know what to
# 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
        prompt "Endianness selection"
        help
          Some MIPS machines can be configured for either little or big endian
          byte order. These modes require different kernels and a different
          Linux distribution.  In general there is one preferred byteorder for a
          particular system but some systems are just as commonly used in the
          one or the other endianness.

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
        help

endchoice

config EXPORT_UASM
        bool

config SYS_SUPPORTS_APM_EMULATION
        bool

config SYS_SUPPORTS_BIG_ENDIAN
        bool

config SYS_SUPPORTS_LITTLE_ENDIAN
        bool

config SYS_SUPPORTS_HUGETLBFS
        bool
        depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
        default y

config MIPS_HUGE_TLB_SUPPORT
        def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE

config IRQ_CPU
        bool

config IRQ_CPU_RM7K
        bool

config IRQ_MSP_SLP
        bool

config IRQ_MSP_CIC
        bool

config IRQ_TXX9
        bool

config IRQ_GT641XX
        bool

config IRQ_GIC
        bool

config PCI_GT64XXX_PCI0
        bool

config NO_EXCEPT_FILL
        bool

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

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

config SWAP_IO_SPACE
        bool

config SGI_HAS_INDYDOG
        bool

config SGI_HAS_HAL2
        bool

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

config FW_ARC32
        bool

config FW_SNIPROM
        bool

config BOOT_ELF32
        bool

config MIPS_L1_CACHE_SHIFT
        int
        default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL || SOC_RT288X
        default "6" if MIPS_CPU_SCACHE
        default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
        default "5"

config HAVE_STD_PC_SERIAL_PORT
        bool

config ARC_CONSOLE
        bool "ARC console support"
        depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)

config ARC_MEMORY
        bool
        depends on MACH_JAZZ || SNI_RM || SGI_IP32
        default y

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

config FW_ARC64
        bool

config BOOT_ELF64
        bool

menu "CPU selection"

choice
        prompt "CPU type"
        default CPU_R4X00

config CPU_LOONGSON2E
        bool "Loongson 2E"
        depends on SYS_HAS_CPU_LOONGSON2E
        select CPU_LOONGSON2
        help
          The Loongson 2E processor implements the MIPS III instruction set
          with many extensions.

          It has an internal FPGA northbridge, which is compatible to
          bonito64.

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

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.

config CPU_MIPS32_R1
        bool "MIPS32 Release 1"
        depends on SYS_HAS_CPU_MIPS32_R1
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        help
          Choose this option to build a kernel for release 1 or later of the
          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"
        depends on SYS_HAS_CPU_MIPS32_R2
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        select HAVE_KVM
        help
          Choose this option to build a kernel for release 2 or later of the
          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"
        depends on SYS_HAS_CPU_MIPS64_R1
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        select CPU_SUPPORTS_HUGEPAGES
        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.
          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"
        depends on SYS_HAS_CPU_MIPS64_R2
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        select CPU_SUPPORTS_HUGEPAGES
        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.

config CPU_R3000
        bool "R3000"
        depends on SYS_HAS_CPU_R3000
        select CPU_HAS_WB
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        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"
        depends on SYS_HAS_CPU_TX39XX
        select CPU_SUPPORTS_32BIT_KERNEL

config CPU_VR41XX
        bool "R41xx"
        depends on SYS_HAS_CPU_VR41XX
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        help
          The options selects support for the NEC VR4100 series of processors.
          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"
        depends on SYS_HAS_CPU_R4300
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        help
          MIPS Technologies R4300-series processors.

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

config CPU_TX49XX
        bool "R49XX"
        depends on SYS_HAS_CPU_TX49XX
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HUGEPAGES

config CPU_R5000
        bool "R5000"
        depends on SYS_HAS_CPU_R5000
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HUGEPAGES
        help
          MIPS Technologies R5000-series processors other than the Nevada.

config CPU_R5432
        bool "R5432"
        depends on SYS_HAS_CPU_R5432
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HUGEPAGES

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

config CPU_R6000
        bool "R6000"
        depends on SYS_HAS_CPU_R6000
        select CPU_SUPPORTS_32BIT_KERNEL
        help
          MIPS Technologies R6000 and R6000A series processors.  Note these
          processors are extremely rare and the support for them is incomplete.

config CPU_NEVADA
        bool "RM52xx"
        depends on SYS_HAS_CPU_NEVADA
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HUGEPAGES
        help
          QED / PMC-Sierra RM52xx-series ("Nevada") processors.

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

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

config CPU_RM7000
        bool "RM7000"
        depends on SYS_HAS_CPU_RM7000
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        select CPU_SUPPORTS_HUGEPAGES

config CPU_SB1
        bool "SB1"
        depends on SYS_HAS_CPU_SB1
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        select CPU_SUPPORTS_HUGEPAGES
        select WEAK_ORDERING

config CPU_CAVIUM_OCTEON
        bool "Cavium Octeon processor"
        depends on SYS_HAS_CPU_CAVIUM_OCTEON
        select ARCH_SPARSEMEM_ENABLE
        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
        select CPU_SUPPORTS_HUGEPAGES
        select LIBFDT
        select USE_OF
        select USB_EHCI_BIG_ENDIAN_MMIO
        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.

config CPU_BMIPS3300
        bool "BMIPS3300"
        depends on SYS_HAS_CPU_BMIPS3300
        select CPU_BMIPS
        help
          Broadcom BMIPS3300 processors.

config CPU_BMIPS4350
        bool "BMIPS4350"
        depends on SYS_HAS_CPU_BMIPS4350
        select CPU_BMIPS
        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
        select CPU_BMIPS
        select SYS_SUPPORTS_SMP
        select SYS_SUPPORTS_HOTPLUG_CPU
        help
          Broadcom BMIPS4380 processors.

config CPU_BMIPS5000
        bool "BMIPS5000"
        depends on SYS_HAS_CPU_BMIPS5000
        select CPU_BMIPS
        select CPU_SUPPORTS_HIGHMEM
        select MIPS_CPU_SCACHE
        select SYS_SUPPORTS_SMP
        select SYS_SUPPORTS_HOTPLUG_CPU
        help
          Broadcom BMIPS5000 processors.

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
        select CPU_SUPPORTS_HUGEPAGES
        select WEAK_ORDERING
        select WEAK_REORDERING_BEYOND_LLSC
        help
          Netlogic Microsystems XLR/XLS processors.

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
        select CPU_MIPSR2
        help
          Netlogic Microsystems XLP processors.
endchoice

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

config SYS_SUPPORTS_ZBOOT
        bool
        select HAVE_KERNEL_GZIP
        select HAVE_KERNEL_BZIP2
        select HAVE_KERNEL_LZMA
        select HAVE_KERNEL_LZO

config SYS_SUPPORTS_ZBOOT_UART16550
        bool
        select SYS_SUPPORTS_ZBOOT

config CPU_LOONGSON2
        bool
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_64BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM
        select CPU_SUPPORTS_HUGEPAGES

config CPU_LOONGSON1
        bool
        select CPU_MIPS32
        select CPU_MIPSR2
        select CPU_HAS_PREFETCH
        select CPU_SUPPORTS_32BIT_KERNEL
        select CPU_SUPPORTS_HIGHMEM

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

config SYS_HAS_CPU_LOONGSON2E
        bool

config SYS_HAS_CPU_LOONGSON2F
        bool
        select CPU_SUPPORTS_CPUFREQ
        select CPU_SUPPORTS_ADDRWINCFG if 64BIT
        select CPU_SUPPORTS_UNCACHED_ACCELERATED

config SYS_HAS_CPU_LOONGSON1B
        bool

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

config SYS_HAS_CPU_R5500
        bool

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

config SYS_HAS_CPU_CAVIUM_OCTEON
        bool

config SYS_HAS_CPU_BMIPS3300
        bool

config SYS_HAS_CPU_BMIPS4350
        bool

config SYS_HAS_CPU_BMIPS4380
        bool

config SYS_HAS_CPU_BMIPS5000
        bool

config SYS_HAS_CPU_XLR
        bool

config SYS_HAS_CPU_XLP
        bool

#
# CPU may reorder R->R, R->W, W->R, W->W
# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
#
config WEAK_ORDERING
        bool

#
# 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
endmenu

#
# These two indicate any level of the MIPS32 and MIPS64 architecture
#
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

#
# These two indicate the revision of the architecture, either Release 1 or Release 2
#
config CPU_MIPSR1
        bool
        default y if CPU_MIPS32_R1 || CPU_MIPS64_R1

config CPU_MIPSR2
        bool
        default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON

config SYS_SUPPORTS_32BIT_KERNEL
        bool
config SYS_SUPPORTS_64BIT_KERNEL
        bool
config CPU_SUPPORTS_32BIT_KERNEL
        bool
config CPU_SUPPORTS_64BIT_KERNEL
        bool
config CPU_SUPPORTS_CPUFREQ
        bool
config CPU_SUPPORTS_ADDRWINCFG
        bool
config CPU_SUPPORTS_HUGEPAGES
        bool
config CPU_SUPPORTS_UNCACHED_ACCELERATED
        bool
config MIPS_PGD_C0_CONTEXT
        bool
        default y if 64BIT && CPU_MIPSR2 && !CPU_XLP

#
# Set to y for ptrace access to watch registers.
#
config HARDWARE_WATCHPOINTS
       bool
       default y if CPU_MIPSR1 || CPU_MIPSR2

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

config KVM_GUEST
        bool "KVM Guest Kernel"
        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.

choice
        prompt "Kernel page size"
        default PAGE_SIZE_4KB

config PAGE_SIZE_4KB
        bool "4kB"
        depends on !CPU_LOONGSON2
        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"
        depends on CPU_R8000 || CPU_CAVIUM_OCTEON
        help
          Using 8kB page size will result in higher performance kernel at
          the price of higher memory consumption.  This option is available
          only on R8000 and cnMIPS processors.  Note that you will need a
          suitable Linux distribution to support this.

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

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.

config PAGE_SIZE_64KB
        bool "64kB"
        depends on !CPU_R3000 && !CPU_TX39XX
        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
          writing this option is still high experimental.

endchoice

config FORCE_MAX_ZONEORDER
        int "Maximum zone order"
        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
        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.

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.

config BOARD_SCACHE
        bool

config IP22_CPU_SCACHE
        bool
        select BOARD_SCACHE

#
# Support for a MIPS32 / MIPS64 style S-caches
#
config MIPS_CPU_SCACHE
        bool
        select BOARD_SCACHE

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
        bool

config CPU_GENERIC_DUMP_TLB
        bool
        default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)

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

config CPU_R4K_CACHE_TLB
        bool
        default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)

choice
        prompt "MIPS MT options"

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.

config MIPS_MT_SMP
        bool "Use 1 TC on each available VPE for SMP"
        depends on SYS_SUPPORTS_MULTITHREADING
        select CPU_MIPSR2_IRQ_VI
        select CPU_MIPSR2_IRQ_EI
        select MIPS_MT
        select NR_CPUS_DEFAULT_2
        select SMP
        select SYS_SUPPORTS_SCHED_SMT if SMP
        select SYS_SUPPORTS_SMP
        select SMP_UP
        select MIPS_PERF_SHARED_TC_COUNTERS
        help
          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

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 ...
        depends on SYS_SUPPORTS_MULTITHREADING
        select CPU_MIPSR2_IRQ_VI
        select CPU_MIPSR2_IRQ_EI
        select MIPS_MT
        select NR_CPUS_DEFAULT_8
        select SMP
        select SYS_SUPPORTS_SMP
        select SMP_UP
        help
          This is a kernel model which is known a SMTC or lately has been
          marketesed into SMVP.
          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

endchoice

config MIPS_MT
        bool

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

config SYS_SUPPORTS_MULTITHREADING
        bool

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

config MIPS_VPE_LOADER
        bool "VPE loader support."
        depends on SYS_SUPPORTS_MULTITHREADING
        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.

config MIPS_MT_SMTC_IM_BACKSTOP
        bool "Use per-TC register bits as backstop for inhibited IM bits"
        depends on MIPS_MT_SMTC
        default n
        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
          impact on interrupt service overhead.

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
          platform code.  Adds some overhead to interrupt dispatch, and
          should be used only if you know what you are doing.

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
        bool "Enable support for AP/SP API (RTLX)"
        depends on MIPS_VPE_LOADER
        help

config MIPS_CMP
        bool "MIPS CMP framework support"
        depends on SYS_SUPPORTS_MIPS_CMP
        select SYNC_R4K
        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...

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


config 64BIT_PHYS_ADDR
        bool

config ARCH_PHYS_ADDR_T_64BIT
       def_bool 64BIT_PHYS_ADDR

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.

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

config CPU_HAS_WB
        bool

config XKS01
        bool

#
# Vectored interrupt mode is an R2 feature
#
config CPU_MIPSR2_IRQ_VI
        bool

#
# Extended interrupt mode is an R2 feature
#
config CPU_MIPSR2_IRQ_EI
        bool

config CPU_HAS_SYNC
        bool
        depends on !CPU_R3000
        default y

#
# CPU non-features
#
config CPU_DADDI_WORKAROUNDS
        bool

config CPU_R4000_WORKAROUNDS
        bool
        select CPU_R4400_WORKAROUNDS

config CPU_R4400_WORKAROUNDS
        bool

#
# - 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.
# - 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.
#
config HIGHMEM
        bool "High Memory Support"
        depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM

config CPU_SUPPORTS_HIGHMEM
        bool

config SYS_SUPPORTS_HIGHMEM
        bool

config SYS_SUPPORTS_SMARTMIPS
        bool

config SYS_SUPPORTS_MICROMIPS
        bool

config ARCH_FLATMEM_ENABLE
        def_bool y
        depends on !NUMA && !CPU_LOONGSON2

config ARCH_DISCONTIGMEM_ENABLE
        bool
        default y if SGI_IP27
        help
          Say Y to support efficient handling of discontiguous physical memory,
          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.

config ARCH_SPARSEMEM_ENABLE
        bool
        select SPARSEMEM_STATIC

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

config NODES_SHIFT
        int
        default "6"
        depends on NEED_MULTIPLE_NODES

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

source "mm/Kconfig"

config SMP
        bool "Multi-Processing support"
        depends on SYS_SUPPORTS_SMP
        select USE_GENERIC_SMP_HELPERS
        help
          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.

          See also the SMP-HOWTO available at
          <http://www.tldp.org/docs.html#howto>.

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

config SMP_UP
        bool

config SYS_SUPPORTS_MIPS_CMP
        bool

config SYS_SUPPORTS_SMP
        bool

config NR_CPUS_DEFAULT_1
        bool

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

config NR_CPUS
        int "Maximum number of CPUs (2-64)"
        range 1 64 if NR_CPUS_DEFAULT_1
        depends on SMP
        default "1" if NR_CPUS_DEFAULT_1
        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
        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
          sense is 1 for Qemu (useful only for kernel debugging purposes)
          and 2 for all others.

          This is purely to save memory - each supported CPU adds
          approximately eight kilobytes to the kernel image.  For best
          performance should round up your number of processors to the next
          power of two.

config MIPS_PERF_SHARED_TC_COUNTERS
        bool

#
# Timer Interrupt Frequency Configuration
#

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

        config HZ_48
                bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ

        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

source "kernel/Kconfig.preempt"

config KEXEC
        bool "Kexec system call"
        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
          but it is independent of the system firmware.   And like a reboot
          you can start any kernel with it, not just Linux.

          The name comes from the similarity to the exec system call.

          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.

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).

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

config USE_OF
        bool
        select OF
        select OF_EARLY_FLATTREE
        select IRQ_DOMAIN

endmenu

config LOCKDEP_SUPPORT
        bool
        default y

config STACKTRACE_SUPPORT
        bool
        default y

source "init/Kconfig"

source "kernel/Kconfig.freezer"

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

config HW_HAS_EISA
        bool
config HW_HAS_PCI
        bool

config PCI
        bool "Support for PCI controller"
        depends on HW_HAS_PCI
        select PCI_DOMAINS
        select GENERIC_PCI_IOMAP
        select NO_GENERIC_PCI_IOPORT_MAP
        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"

source "drivers/pci/pcie/Kconfig"

#
# 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"
        depends on HW_HAS_EISA
        select ISA
        select GENERIC_ISA_DMA
        ---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
          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>

config MMU
        bool
        default y

config I8253
        bool
        select CLKSRC_I8253
        select CLKEVT_I8253
        select MIPS_EXTERNAL_TIMER

config ZONE_DMA32
        bool

source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

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"

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"
        depends on 64BIT
        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
        select ARCH_WANT_OLD_COMPAT_IPC
        default y

config SYSVIPC_COMPAT
        bool
        depends on COMPAT && SYSVIPC
        default y

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

endmenu

menu "Power management options"

config ARCH_HIBERNATION_POSSIBLE
        def_bool y
        depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP

config ARCH_SUSPEND_POSSIBLE
        def_bool y
        depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP

source "kernel/power/Kconfig"

endmenu

config MIPS_EXTERNAL_TIMER
        bool

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

source "net/Kconfig"

source "drivers/Kconfig"

source "drivers/firmware/Kconfig"

source "fs/Kconfig"

source "arch/mips/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"

source "arch/mips/kvm/Kconfig"