Current File : //lib/modules/3.10.0-957.21.3.el7.centos.plus.x86_64/build/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 GENERIC_PCI_IOMAP
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 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"
#
# 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"
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"
Mini Shell