default y
select HAVE_IDE
select HAVE_OPROFILE
+ select HAVE_ARCH_KGDB
# Horrible source of confusion. Die, die, die ...
select EMBEDDED
select RTC_LIB
select SYS_HAS_CPU_RM9000
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_KGDB
help
The eXcite is a smart camera platform manufactured by
Basler Vision Technologies AG.
select SSB
select SSB_DRIVER_MIPS
select SSB_DRIVER_EXTIF
+ select SSB_EMBEDDED
select SSB_PCICORE_HOSTMODE if PCI
select GENERIC_GPIO
select SYS_HAS_EARLY_PRINTK
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
- select GENERIC_HARDIRQS_NO__DO_IRQ
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 SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select SYS_SUPPORTS_100HZ
- select GENERIC_HARDIRQS_NO__DO_IRQ
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 Millenium and
+ Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
Olivetti M700-10 workstations.
config LASAT
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
select SYS_SUPPORTS_LITTLE_ENDIAN
- select GENERIC_HARDIRQS_NO__DO_IRQ
config LEMOTE_FULONG
bool "Lemote Fulong mini-PC"
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_HIGHMEM
select SYS_HAS_EARLY_PRINTK
- select GENERIC_HARDIRQS_NO__DO_IRQ
select GENERIC_ISA_DMA_SUPPORT_BROKEN
select CPU_HAS_WB
help
Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
an FPGA northbridge
-config MIPS_ATLAS
- bool "MIPS Atlas board"
- select BOOT_ELF32
- select BOOT_RAW
- select CEVT_R4K
- select CSRC_R4K
- select DMA_NONCOHERENT
- select SYS_HAS_EARLY_PRINTK
- select IRQ_CPU
- select HW_HAS_PCI
- select MIPS_BOARDS_GEN
- select MIPS_BONITO64
- select PCI_GT64XXX_PCI0
- select MIPS_MSC
- select RM7000_CPU_SCACHE
- 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
- select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
- select SYS_SUPPORTS_SMARTMIPS
- select GENERIC_HARDIRQS_NO__DO_IRQ
- help
- This enables support for the MIPS Technologies Atlas evaluation
- board.
-
config MIPS_MALTA
bool "MIPS Malta board"
select ARCH_MAY_HAVE_PC_FDC
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_MIPS_CMP if BROKEN # because SYNC_R4K is broken
select SYS_SUPPORTS_MULTITHREADING
select SYS_SUPPORTS_SMARTMIPS
help
This enables support for the MIPS Technologies Malta evaluation
board.
-config MIPS_SEAD
- bool "MIPS SEAD board"
- select CEVT_R4K
- select CSRC_R4K
- select IRQ_CPU
- select DMA_NONCOHERENT
- select SYS_HAS_EARLY_PRINTK
- select MIPS_BOARDS_GEN
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_HAS_CPU_MIPS32_R2
- select SYS_HAS_CPU_MIPS64_R1
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_SMARTMIPS
- help
- This enables support for the MIPS Technologies SEAD evaluation
- board.
-
config MIPS_SIM
bool 'MIPS simulator (MIPSsim)'
select CEVT_R4K
This option enables support for MIPS Technologies MIPSsim software
emulator.
-config MARKEINS
- bool "NEC EMMA2RH Mark-eins"
- select CEVT_R4K
- select CSRC_R4K
- select DMA_NONCOHERENT
+config NEC_MARKEINS
+ bool "NEC EMMA2RH Mark-eins board"
+ select SOC_EMMA2RH
select HW_HAS_PCI
- select IRQ_CPU
- select SWAP_IO_SPACE
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_HAS_CPU_R5000
help
- This enables support for the R5432-based NEC Mark-eins
- boards with R5500 CPU.
+ 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 GENERIC_HARDIRQS_NO__DO_IRQ
+
+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 SYS_HAS_CPU_MIPS32_R2
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_KGDB
select IRQ_CPU
select SERIAL_8250
select SERIAL_8250_CONSOLE
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_HIGHMEM
- select SYS_SUPPORTS_KGDB
select SYS_SUPPORTS_SMP
help
Yosemite is an evaluation board for the RM9000x2 processor
select IP22_CPU_SCACHE
select IRQ_CPU
select GENERIC_ISA_DMA_SUPPORT_BROKEN
- select SGI_HAS_DS1286
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 ARC64
select BOOT_ELF64
select DEFAULT_SGI_PARTITION
- select DMA_IP27
+ 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_KGDB
select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_SMP
- select GENERIC_HARDIRQS_NO__DO_IRQ
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
select HW_HAS_EISA
select I8253
select I8259
- select SGI_HAS_DS1286
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 SYS_HAS_CPU_SB1
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_HIGHMEM
- select SYS_SUPPORTS_KGDB
select SYS_SUPPORTS_LITTLE_ENDIAN
select ZONE_DMA32 if 64BIT
Technology and now in turn merged with Fujitsu. Say Y here to
support this machine type.
-config TOSHIBA_JMR3927
- bool "Toshiba JMR-TX3927 board"
- select CEVT_TXX9
- select DMA_NONCOHERENT
- select HW_HAS_PCI
- select MIPS_TX3927
- select IRQ_TXX9
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_TX39XX
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_BIG_ENDIAN
- select GENERIC_HARDIRQS_NO__DO_IRQ
- select GPIO_TXX9
+config MACH_TX39XX
+ bool "Toshiba TX39 series based machines"
-config TOSHIBA_RBTX4927
- bool "Toshiba RBTX49[23]7 board"
- select CEVT_R4K
- select CSRC_R4K
- select CEVT_TXX9
- select DMA_NONCOHERENT
- select HAS_TXX9_SERIAL
- select HW_HAS_PCI
- select IRQ_CPU
- select IRQ_TXX9
- select I8259 if TOSHIBA_FPCIB0
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_TX49XX
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL
- select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_KGDB
- select GENERIC_HARDIRQS_NO__DO_IRQ
- help
- This Toshiba board is based on the TX4927 processor. Say Y here to
- support this machine type
+config MACH_TX49XX
+ bool "Toshiba TX49 series based machines"
-config TOSHIBA_RBTX4938
- bool "Toshiba RBTX4938 board"
+config MIKROTIK_RB532
+ bool "Mikrotik RB532 boards"
select CEVT_R4K
select CSRC_R4K
- select CEVT_TXX9
select DMA_NONCOHERENT
- select HAS_TXX9_SERIAL
select HW_HAS_PCI
select IRQ_CPU
- select IRQ_TXX9
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_TX49XX
+ select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_KGDB
- select GENERIC_HARDIRQS_NO__DO_IRQ
- select GPIO_TXX9
+ select SWAP_IO_SPACE
+ select BOOT_RAW
+ select ARCH_REQUIRE_GPIOLIB
help
- This Toshiba board is based on the TX4938 processor. Say Y here to
- support this machine type
+ Support the Mikrotik(tm) RouterBoard 532 series,
+ based on the IDT RC32434 SoC.
config WR_PPMC
bool "Wind River PPMC board"
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_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_HAS_EARLY_PRINTK
+ select SYS_HAS_CPU_CAVIUM_OCTEON
+ select SWAP_IO_SPACE
+ select HW_HAS_PCI
+ select ARCH_SUPPORTS_MSI
+ 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/au1000/Kconfig"
+source "arch/mips/alchemy/Kconfig"
source "arch/mips/basler/excite/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/lasat/Kconfig"
source "arch/mips/pmc-sierra/Kconfig"
source "arch/mips/sgi-ip27/Kconfig"
source "arch/mips/sibyte/Kconfig"
-source "arch/mips/tx4927/Kconfig"
-source "arch/mips/tx4938/Kconfig"
+source "arch/mips/txx9/Kconfig"
source "arch/mips/vr41xx/Kconfig"
+source "arch/mips/cavium-octeon/Kconfig"
endmenu
-config GENERIC_LOCKBREAK
- bool
- default y
- depends on SMP && PREEMPT
-
config RWSEM_GENERIC_SPINLOCK
bool
default y
bool
default y
-config SCHED_NO_NO_OMIT_FRAME_POINTER
+config SCHED_OMIT_FRAME_POINTER
bool
default y
config GENERIC_HARDIRQS_NO__DO_IRQ
- bool
- default n
+ def_bool y
#
# Select some configuration options automatically based on user selections.
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
config CSRC_BCM1480
bool
+config CSRC_IOASIC
+ bool
+
+config CSRC_R4K_LIB
+ bool
+
config CSRC_R4K
+ select CSRC_R4K_LIB
bool
config CSRC_SB1250
config GPIO_TXX9
select GENERIC_GPIO
- select HAVE_GPIO_LIB
+ select ARCH_REQUIRE_GPIOLIB
bool
config CFE
config DMA_COHERENT
bool
-config DMA_IP27
- bool
-
config DMA_NONCOHERENT
bool
select DMA_NEED_PCI_MAP_STATE
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
- default n
config I8259
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_GIC
bool
+config IRQ_CPU_OCTEON
+ bool
+
config MIPS_BOARDS_GEN
bool
config NO_EXCEPT_FILL
bool
-config MIPS_TX3927
- bool
- select HAS_TXX9_SERIAL
-
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
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
- select GENERIC_HARDIRQS_NO__DO_IRQ
- select SYS_SUPPORTS_KGDB
select GENERIC_GPIO
config SWAP_IO_SPACE
bool
-config EMMA2RH
- bool
- depends on MARKEINS
- default y
-
config SERIAL_RM9000
bool
-config SGI_HAS_DS1286
+config SGI_HAS_INDYDOG
bool
-config SGI_HAS_INDYDOG
+config SGI_HAS_HAL2
bool
config SGI_HAS_SEEQ
config MIPS_L1_CACHE_SHIFT
int
- default "4" if MACH_DECSTATION
- default "7" if SGI_IP27 || SGI_IP28 || SNI_RM
+ default "4" if MACH_DECSTATION || MIKROTIK_RB532
+ default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
default "4" if PMC_MSP4200_EVAL
default "5"
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
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
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+config CPU_R5500
+ bool "R5500"
+ depends on SYS_HAS_CPU_R5500
+ select CPU_HAS_LLSC
+ 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
select CPU_SUPPORTS_HIGHMEM
select WEAK_ORDERING
+config CPU_CAVIUM_OCTEON
+ bool "Cavium Octeon processor"
+ depends on SYS_HAS_CPU_CAVIUM_OCTEON
+ select IRQ_CPU
+ select IRQ_CPU_OCTEON
+ select CPU_HAS_PREFETCH
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_SMP
+ select NR_CPUS_DEFAULT_16
+ select WEAK_ORDERING
+ select WEAK_REORDERING_BEYOND_LLSC
+ 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.
+
endchoice
config SYS_HAS_CPU_LOONGSON2
config SYS_HAS_CPU_R5432
bool
+config SYS_HAS_CPU_R5500
+ bool
+
config SYS_HAS_CPU_R6000
bool
config SYS_HAS_CPU_SB1
bool
+config SYS_HAS_CPU_CAVIUM_OCTEON
+ 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 CPU_MIPSR2
bool
- default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
+ default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
config SYS_SUPPORTS_32BIT_KERNEL
bool
bool
config CPU_SUPPORTS_64BIT_KERNEL
bool
+config CPU_SUPPORTS_HUGEPAGES
+ bool
+
+#
+# Set to y for ptrace access to watch registers.
+#
+config HARDWARE_WATCHPOINTS
+ bool
+ default y if CPU_MIPSR1 || CPU_MIPSR2
menu "Kernel type"
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.
config PAGE_SIZE_8KB
bool "8kB"
- depends on EXPERIMENTAL && CPU_R8000
+ 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 the R8000 processor. Not that at the time of this writing
- this option is still high experimental; there are also issues with
- compatibility of user applications.
+ only on R8000 and cnMIPS processors. Note that you will need a
+ suitable Linux distribution to support this.
config PAGE_SIZE_16KB
bool "16kB"
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
depends on CPU_MIPS32_R2
#depends on CPU_MIPS64_R2 # once there is hardware ...
depends on SYS_SUPPORTS_MULTITHREADING
- select GENERIC_CLOCKEVENTS_BROADCAST
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select MIPS_MT
Includes a loader for loading an elf relocatable object
onto another VPE and running it.
-config MIPS_MT_SMTC_INSTANT_REPLAY
- bool "Low-latency Dispatch of Deferred SMTC IPIs"
- depends on MIPS_MT_SMTC && !PREEMPT
- default y
- help
- SMTC pseudo-interrupts between TCs are deferred and queued
- if the target TC is interrupt-inhibited (IXMT). In the first
- SMTC prototypes, these queued IPIs were serviced on return
- to user mode, or on entry into the kernel idle loop. The
- INSTANT_REPLAY option dispatches them as part of local_irq_restore()
- processing, which adds runtime overhead (hence the option to turn
- it off), but ensures that IPIs are handled promptly even under
- heavy I/O interrupt load.
-
config MIPS_MT_SMTC_IM_BACKSTOP
bool "Use per-TC register bits as backstop for inhibited IM bits"
depends on MIPS_MT_SMTC
- default y
+ 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. Disable it only if you know
- what you are doing.
+ impact on interrupt service overhead.
config MIPS_MT_SMTC_IRQAFF
bool "Support IRQ affinity API"
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. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
- be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
- interrupt dispatch, and should be used only if you know what
- you are doing.
+ 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"
"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 if BROKEN
+ 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
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
config SMP_UP
bool
+config SYS_SUPPORTS_MIPS_CMP
+ bool
+
config SYS_SUPPORTS_SMP
bool
performance should round up your number of processors to the next
power of two.
-config MIPS_CMP
- bool "MIPS CMP framework support"
- depends on SMP
- select SYNC_R4K
- select SYS_SUPPORTS_SCHED_SMT
- select WEAK_ORDERING
- default n
- help
- This is a placeholder option for the GCMP work. It will need to
- be handled differently...
-
source "kernel/time/Kconfig"
#
endmenu
-config RWSEM_GENERIC_SPINLOCK
- bool
- default y
-
config LOCKDEP_SUPPORT
bool
default y
source "init/Kconfig"
+config PROBE_INITRD_HEADER
+ bool "Probe initrd header created by addinitrd"
+ depends on BLK_DEV_INITRD
+ help
+ Probe initrd header at the last page of kernel image.
+ Say Y here if you are using arch/mips/boot/addinitrd.c to
+ add initrd or initramfs image to the kernel image.
+ Otherwise, say N.
+
+source "kernel/Kconfig.freezer"
+
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
config HW_HAS_EISA
config TRAD_SIGNALS
bool
-config BINFMT_IRIX
- bool "Include IRIX binary compatibility"
- depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
-
config MIPS32_COMPAT
bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
depends on 64BIT
menu "Power management options"
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool y
+ depends on !SMP
+
config ARCH_SUSPEND_POSSIBLE
def_bool y
depends on !SMP
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff