--- zzzz-none-000/linux-2.6.39.4/arch/mips/Kconfig 2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/arch/mips/Kconfig 2021-11-10 13:38:14.000000000 +0000
@@ -1,2454 +0,0 @@
-config MIPS
- bool
- default y
- select HAVE_GENERIC_DMA_COHERENT
- select HAVE_IDE
- select HAVE_OPROFILE
- select HAVE_IRQ_WORK
- select HAVE_PERF_EVENTS
- select PERF_USE_VMALLOC
- select HAVE_ARCH_KGDB
- 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 RTC_LIB if !MACH_LOONGSON
- select GENERIC_ATOMIC64 if !64BIT
- 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
-
-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_LIB
- select CSRC_R4K_LIB
- select IRQ_CPU
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_APM_EMULATION
- select GENERIC_GPIO
- select ARCH_WANT_OPTIONAL_GPIOLIB
- select SYS_SUPPORTS_ZBOOT
-
-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 GCD
- select VLYNQ
- 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 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 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 SSB
- select SSB_DRIVER_MIPS
- select SSB_DRIVER_EXTIF
- select SSB_EMBEDDED
- select SSB_B43_PCI_BRIDGE if PCI
- select SSB_PCICORE_HOSTMODE if PCI
- select GENERIC_GPIO
- select SYS_HAS_EARLY_PRINTK
- select CFE
- 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
- 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 if EXPERIMENTAL
- 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 and the
- DECstation porting pages on .
-
- 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 ARC
- select 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 IRQ_CPU
- select I8253
- select I8259
- select ISA
- select SYS_HAS_CPU_R4X00
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
- 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 DMA_NONCOHERENT
- select IRQ_CPU
- select GENERIC_GPIO
- select ARCH_REQUIRE_GPIOLIB
- select SYS_HAS_EARLY_PRINTK
- select HAVE_PWM
- select HAVE_CLK
-
-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 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 DMA_NONCOHERENT
- select GENERIC_ISA_DMA
- select IRQ_CPU
- select IRQ_GIC
- select HW_HAS_PCI
- select I8253
- select I8259
- select MIPS_BOARDS_GEN
- 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_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_SIM
- bool 'MIPS simulator (MIPSsim)'
- select CEVT_R4K
- select CSRC_R4K
- select DMA_NONCOHERENT
- select SYS_HAS_EARLY_PRINTK
- select IRQ_CPU
- select BOOT_RAW
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_HAS_CPU_MIPS32_R2
- select SYS_HAS_EARLY_PRINTK
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_MULTITHREADING
- select SYS_SUPPORTS_LITTLE_ENDIAN
- help
- This option enables support for MIPS Technologies MIPSsim software
- emulator.
-
-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 PNX8550_JBS
- bool "NXP PNX8550 based JBS board"
- select PNX8550
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
-config PNX8550_STB810
- bool "NXP PNX8550 based STB810 board"
- select PNX8550
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
-config PMC_MSP
- bool "PMC-Sierra MSP chipsets"
- depends on EXPERIMENTAL
- 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
- 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 PMC_YOSEMITE
- bool "PMC-Sierra Yosemite eval board"
- select CEVT_R4K
- select CSRC_R4K
- select DMA_COHERENT
- select HW_HAS_PCI
- select IRQ_CPU
- select IRQ_CPU_RM7K
- select IRQ_CPU_RM9K
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_RM9000
- 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_SMP
- help
- Yosemite is an evaluation board for the RM9000x2 processor
- manufactured by PMC-Sierra.
-
-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 SGI_IP22
- bool "SGI IP22 (Indy/Indigo2)"
- select ARC
- select 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 ARC
- select 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) (EXPERIMENTAL)"
- depends on EXPERIMENTAL
- select ARC
- select 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 ARC
- select 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"
- depends on EXPERIMENTAL
- 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"
- depends on EXPERIMENTAL
- 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"
- depends on EXPERIMENTAL
- 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"
- depends on EXPERIMENTAL
- 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"
- depends on EXPERIMENTAL
- 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"
- depends on EXPERIMENTAL
- 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 ARC if CPU_LITTLE_ENDIAN
- select ARC32 if CPU_LITTLE_ENDIAN
- select 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 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 if EXPERIMENTAL
- 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_HIGHMEM
- select SYS_SUPPORTS_HOTPLUG_CPU
- select SYS_HAS_CPU_CAVIUM_OCTEON
- 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 SYS_SUPPORTS_HIGHMEM
- 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
- 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.
-
-endchoice
-
-source "arch/mips/alchemy/Kconfig"
-source "arch/mips/ath79/Kconfig"
-source "arch/mips/bcm63xx/Kconfig"
-source "arch/mips/jazz/Kconfig"
-source "arch/mips/jz4740/Kconfig"
-source "arch/mips/lasat/Kconfig"
-source "arch/mips/pmc-sierra/Kconfig"
-source "arch/mips/powertv/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"
-
-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 ARCH_SUPPORTS_OPROFILE
- bool
- default y if !MIPS_MT_SMTC
-
-config GENERIC_FIND_NEXT_BIT
- bool
- default y
-
-config GENERIC_FIND_BIT_LE
- bool
- default y
-
-config GENERIC_HWEIGHT
- bool
- default y
-
-config GENERIC_CALIBRATE_DELAY
- bool
- default y
-
-config GENERIC_CLOCKEVENTS
- bool
- default y
-
-config GENERIC_CMOS_UPDATE
- bool
- default y
-
-config SCHED_OMIT_FRAME_POINTER
- bool
- default y
-
-#
-# Select some configuration options automatically based on user selections.
-#
-config 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_LIB
- bool
-
-config CEVT_R4K
- select CEVT_R4K_LIB
- bool
-
-config CEVT_SB1250
- bool
-
-config CEVT_TXX9
- bool
-
-config CSRC_BCM1480
- bool
-
-config CSRC_IOASIC
- bool
-
-config CSRC_POWERTV
- bool
-
-config CSRC_R4K_LIB
- bool
-
-config CSRC_R4K
- select CSRC_R4K_LIB
- bool
-
-config CSRC_SB1250
- bool
-
-config GPIO_TXX9
- select GENERIC_GPIO
- select ARCH_REQUIRE_GPIOLIB
- bool
-
-config 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 MIPS_DISABLE_OBSOLETE_IDE
- 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 GENERIC_GPIO
- bool
-
-#
-# Endianess 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 "Endianess 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 IRQ_CPU
- bool
-
-config IRQ_CPU_RM7K
- bool
-
-config IRQ_CPU_RM9K
- bool
-
-config IRQ_MSP_SLP
- bool
-
-config IRQ_MSP_CIC
- bool
-
-config IRQ_TXX9
- bool
-
-config IRQ_GT641XX
- bool
-
-config IRQ_GIC
- bool
-
-config MIPS_BOARDS_GEN
- bool
-
-config PCI_GT64XXX_PCI0
- bool
-
-config NO_EXCEPT_FILL
- bool
-
-config MIPS_RM9122
- bool
- select SERIAL_RM9000
-
-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 GENERIC_GPIO
- select CPU_MIPSR2_IRQ_VI
-
-config SOC_PNX8335
- bool
- select SOC_PNX833X
-
-config PNX8550
- bool
- select SOC_PNX8550
-
-config SOC_PNX8550
- bool
- select DMA_NONCOHERENT
- select HW_HAS_PCI
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_HAS_EARLY_PRINTK
- select SYS_SUPPORTS_32BIT_KERNEL
- select GENERIC_GPIO
-
-config SWAP_IO_SPACE
- bool
-
-config SERIAL_RM9000
- 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 ARC32
- bool
-
-config SNIPROM
- bool
-
-config BOOT_ELF32
- bool
-
-config MIPS_L1_CACHE_SHIFT
- int
- default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
- 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 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 GENERIC_GPIO
- 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_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
- 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
- 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
-
-config CPU_R5000
- bool "R5000"
- depends on SYS_HAS_CPU_R5000
- select CPU_SUPPORTS_32BIT_KERNEL
- select CPU_SUPPORTS_64BIT_KERNEL
- 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
-
-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 EXPERIMENTAL
- 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
- help
- QED / PMC-Sierra RM52xx-series ("Nevada") processors.
-
-config CPU_R8000
- bool "R8000"
- depends on EXPERIMENTAL
- 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
- 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
-
-config CPU_RM9000
- bool "RM9000"
- depends on SYS_HAS_CPU_RM9000
- select CPU_HAS_PREFETCH
- select CPU_SUPPORTS_32BIT_KERNEL
- select CPU_SUPPORTS_64BIT_KERNEL
- select CPU_SUPPORTS_HIGHMEM
- select WEAK_ORDERING
-
-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 WEAK_ORDERING
-
-config CPU_CAVIUM_OCTEON
- bool "Cavium Octeon processor"
- depends on SYS_HAS_CPU_CAVIUM_OCTEON
- 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
- 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 DMA_NONCOHERENT
- select IRQ_CPU
- select SWAP_IO_SPACE
- select SYS_SUPPORTS_32BIT_KERNEL
- select WEAK_ORDERING
- help
- Broadcom BMIPS3300 processors.
-
-config CPU_BMIPS4350
- bool "BMIPS4350"
- depends on SYS_HAS_CPU_BMIPS4350
- select CPU_SUPPORTS_32BIT_KERNEL
- select DMA_NONCOHERENT
- select IRQ_CPU
- select SWAP_IO_SPACE
- select SYS_SUPPORTS_SMP
- select SYS_SUPPORTS_HOTPLUG_CPU
- select WEAK_ORDERING
- help
- Broadcom BMIPS4350 ("VIPER") processors.
-
-config CPU_BMIPS4380
- bool "BMIPS4380"
- depends on SYS_HAS_CPU_BMIPS4380
- select CPU_SUPPORTS_32BIT_KERNEL
- select DMA_NONCOHERENT
- select IRQ_CPU
- select SWAP_IO_SPACE
- select SYS_SUPPORTS_SMP
- select SYS_SUPPORTS_HOTPLUG_CPU
- select WEAK_ORDERING
- help
- Broadcom BMIPS4380 processors.
-
-config CPU_BMIPS5000
- bool "BMIPS5000"
- depends on SYS_HAS_CPU_BMIPS5000
- select CPU_SUPPORTS_32BIT_KERNEL
- select CPU_SUPPORTS_HIGHMEM
- select DMA_NONCOHERENT
- select IRQ_CPU
- select SWAP_IO_SPACE
- select SYS_SUPPORTS_SMP
- select SYS_SUPPORTS_HOTPLUG_CPU
- select WEAK_ORDERING
- help
- Broadcom BMIPS5000 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
-
-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_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_RM9000
- 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
-
-#
-# 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
-
-#
-# 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
- select HAVE_SYSCALL_WRAPPERS
- help
- Select this option if you want to build a 64-bit kernel.
-
-endchoice
-
-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 (EXPERIMENTAL && 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 EXPERIMENTAL && !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 13 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
- default "13" if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_32KB
- range 12 64 if SYS_SUPPORTS_HUGETLBFS && PAGE_SIZE_16KB
- default "12" if SYS_SUPPORTS_HUGETLBFS && 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 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
-
-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
- 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_APSP_KSPD
- bool "Enable KSPD"
- depends on MIPS_VPE_APSP_API
- default y
- help
- KSPD is a kernel daemon that accepts syscall requests from the SP
- side, actions them and returns the results. It also handles the
- "exit" syscall notifying other kernel modules the SP program is
- exiting. You probably want to say yes here.
-
-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_HAS_WB
- 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
-
-config GENERIC_CLOCKEVENTS_BROADCAST
- bool
-
-#
-# 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 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 for more.
-
-config ARCH_POPULATES_NODE_MAP
- def_bool y
-
-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
- 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 IRQ_PER_CPU
- 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
- .
-
- 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.
-
-source "kernel/time/Kconfig"
-
-#
-# 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 MIPS_INSANE_LARGE
- bool "Support for large 64-bit configurations"
- depends on CPU_R10000 && 64BIT
- help
- MIPS R10000 does support a 44 bit / 16TB address space as opposed to
- previous 64-bit processors which only supported 40 bit / 1TB. If you
- need processes of more than 1TB virtual address space, say Y here.
- This will result in additional memory usage, so it is not
- recommended for normal users.
-
-config KEXEC
- bool "Kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL
- 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 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//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 "Flattened Device Tree support"
- select OF
- select OF_EARLY_FLATTREE
- help
- Include support for flattened device tree machine descriptions.
-
-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
- 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:
-
- and:
-
- Linux driver support status is documented at:
-
-
-#config ACCESSBUS
-# bool "Access.Bus support"
-# depends on TC
-
-config MMU
- bool
- default y
-
-config I8253
- bool
- 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
- 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
-
-source "arch/mips/kernel/cpufreq/Kconfig"
-
-source "net/Kconfig"
-
-source "drivers/Kconfig"
-
-source "fs/Kconfig"
-
-source "arch/mips/Kconfig.debug"
-
-source "security/Kconfig"
-
-source "crypto/Kconfig"
-
-menuconfig VIRTUALIZATION
- bool "Virtualization"
- default n
- ---help---
- Say Y here to get to see options for using your Linux host to run other
- operating systems inside virtual machines (guests).
- This option alone does not add any kernel code.
-
- If you say N, all options in this submenu will be skipped and disabled.
-
-if VIRTUALIZATION
-
-source drivers/virtio/Kconfig
-
-endif # VIRTUALIZATION
-
-source "lib/Kconfig"