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OpenCloudOS-Kernel/arch/mips/Kconfig

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config MIPS
bool
default y
# Horrible source of confusion. Die, die, die ...
select EMBEDDED
config MIPS64
bool "64-bit kernel"
help
Select this option if you want to build a 64-bit kernel. You should
only select this option if you have hardware that actually has a
64-bit processor and if your application will actually benefit from
64-bit processing, otherwise say N. You must say Y for kernels for
SGI IP27 (Origin 200 and 2000) and SGI IP32 (O2). If in doubt say N.
config 64BIT
def_bool MIPS64
config MIPS32
bool
depends on MIPS64 = 'n'
default y
mainmenu "Linux/MIPS Kernel Configuration"
source "init/Kconfig"
menu "Machine selection"
config MACH_JAZZ
bool "Support for the Jazz family of machines"
select ARC
select ARC32
select GENERIC_ISA_DMA
select I8259
select ISA
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
Olivetti M700-10 workstations.
config ACER_PICA_61
bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
depends on MACH_JAZZ && EXPERIMENTAL
select DMA_NONCOHERENT
help
This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
kernel that runs on these, say Y here. For details about Linux on
the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
<http://www.linux-mips.org/>.
config MIPS_MAGNUM_4000
bool "Support for MIPS Magnum 4000"
depends on MACH_JAZZ
select DMA_NONCOHERENT
help
This is a machine with a R4000 100 MHz CPU. To compile a Linux
kernel that runs on these, say Y here. For details about Linux on
the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
<http://www.linux-mips.org/>.
config OLIVETTI_M700
bool "Support for Olivetti M700-10"
depends on MACH_JAZZ
select DMA_NONCOHERENT
help
This is a machine with a R4000 100 MHz CPU. To compile a Linux
kernel that runs on these, say Y here. For details about Linux on
the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
<http://www.linux-mips.org/>.
config MACH_VR41XX
bool "Support for NEC VR41XX-based machines"
config NEC_CMBVR4133
bool "Support for NEC CMB-VR4133"
depends on MACH_VR41XX
select CPU_VR41XX
select DMA_NONCOHERENT
select IRQ_CPU
select HW_HAS_PCI
config ROCKHOPPER
bool "Support for Rockhopper baseboard"
depends on NEC_CMBVR4133
select I8259
select HAVE_STD_PC_SERIAL_PORT
config CASIO_E55
bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
depends on MACH_VR41XX
select CPU_LITTLE_ENDIAN
select DMA_NONCOHERENT
select IRQ_CPU
select ISA
config IBM_WORKPAD
bool "Support for IBM WorkPad z50"
depends on MACH_VR41XX
select CPU_LITTLE_ENDIAN
select DMA_NONCOHERENT
select IRQ_CPU
select ISA
config TANBAC_TB022X
bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
depends on MACH_VR41XX
select CPU_LITTLE_ENDIAN
select DMA_NONCOHERENT
select IRQ_CPU
select HW_HAS_PCI
help
The TANBAC VR4131 multichip module(TB0225) and
the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
manufactured by TANBAC.
Please refer to <http://www.tanbac.co.jp/>
about VR4131 multichip module and VR4131DIMM.
config TANBAC_TB0226
bool "Support for TANBAC Mbase(TB0226)"
depends on TANBAC_TB022X
select GPIO_VR41XX
help
The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
Please refer to <http://www.tanbac.co.jp/> about Mbase.
config VICTOR_MPC30X
bool "Support for Victor MP-C303/304"
depends on MACH_VR41XX
select CPU_LITTLE_ENDIAN
select DMA_NONCOHERENT
select IRQ_CPU
select HW_HAS_PCI
config ZAO_CAPCELLA
bool "Support for ZAO Networks Capcella"
depends on MACH_VR41XX
select CPU_LITTLE_ENDIAN
select DMA_NONCOHERENT
select IRQ_CPU
select HW_HAS_PCI
config PCI_VR41XX
bool "Add PCI control unit support of NEC VR4100 series"
depends on MACH_VR41XX && HW_HAS_PCI
default y
select PCI
config VRC4173
tristate "Add NEC VRC4173 companion chip support"
depends on MACH_VR41XX && PCI_VR41XX
---help---
The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
config TOSHIBA_JMR3927
bool "Support for Toshiba JMR-TX3927 board"
depends on MIPS32
select DMA_NONCOHERENT
select HW_HAS_PCI
select SWAP_IO_SPACE
config MIPS_COBALT
bool "Support for Cobalt Server (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
select I8259
select IRQ_CPU
config MACH_DECSTATION
bool "Support for DECstations"
select BOOT_ELF32
select DMA_NONCOHERENT
select IRQ_CPU
depends on MIPS32 || EXPERIMENTAL
---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 MIPS_EV64120
bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_GT64120
help
This is an evaluation board based on the Galileo GT-64120
single-chip system controller that contains a MIPS R5000 compatible
core running at 75/100MHz. Their website is located at
<http://www.marvell.com/>. Say Y here if you wish to build a
kernel for this platform.
config EVB_PCI1
bool "Enable Second PCI (PCI1)"
depends on MIPS_EV64120
config MIPS_EV96100
bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select MIPS_GT96100
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
help
This is an evaluation board based on the Galileo GT-96100 LAN/WAN
communications controllers containing a MIPS R5000 compatible core
running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
here if you wish to build a kernel for this platform.
config MIPS_IVR
bool "Support for Globespan IVR board"
select DMA_NONCOHERENT
select HW_HAS_PCI
help
This is an evaluation board built by Globespan to showcase thir
iVR (Internet Video Recorder) design. It utilizes a QED RM5231
R5000 MIPS core. More information can be found out their website
located at <http://www.globespan.net/>. Say Y here if you wish to
build a kernel for this platform.
config LASAT
bool "Support for LASAT Networks platforms"
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_GT64120
select R5000_CPU_SCACHE
config PICVUE
tristate "PICVUE LCD display driver"
depends on LASAT
config PICVUE_PROC
tristate "PICVUE LCD display driver /proc interface"
depends on PICVUE
config DS1603
bool "DS1603 RTC driver"
depends on LASAT
config LASAT_SYSCTL
bool "LASAT sysctl interface"
depends on LASAT
config MIPS_ITE8172
bool "Support for ITE 8172G board"
select DMA_NONCOHERENT
select HW_HAS_PCI
help
Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
with ATX form factor that utilizes a MIPS R5000 to work with its
ITE8172G companion internet appliance chip. The MIPS core can be
either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
a kernel for this platform.
config IT8172_REVC
bool "Support for older IT8172 (Rev C)"
depends on MIPS_ITE8172
help
Say Y here to support the older, Revision C version of the Integrated
Technology Express, Inc. ITE8172 SBC. Vendor page at
<http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
board at <http://www.mvista.com/partners/semiconductor/ite.html>.
config MIPS_ATLAS
bool "Support for MIPS Atlas board"
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_GT64120
select SWAP_IO_SPACE
help
This enables support for the QED R5231-based MIPS Atlas evaluation
board.
config MIPS_MALTA
bool "Support for MIPS Malta board"
select BOOT_ELF32
select HAVE_STD_PC_SERIAL_PORT
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
select HW_HAS_PCI
select I8259
select MIPS_GT64120
select SWAP_IO_SPACE
help
This enables support for the VR5000-based MIPS Malta evaluation
board.
config MIPS_SEAD
bool "Support for MIPS SEAD board (EXPERIMENTAL)"
depends on EXPERIMENTAL
select IRQ_CPU
select DMA_NONCOHERENT
config MOMENCO_OCELOT
bool "Support for Momentum Ocelot board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
select MIPS_GT64120
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
config MOMENCO_OCELOT_G
bool "Support for Momentum Ocelot-G board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
config MOMENCO_OCELOT_C
bool "Support for Momentum Ocelot-C board"
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select IRQ_MV64340
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
config MOMENCO_OCELOT_3
bool "Support for Momentum Ocelot-3 board"
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
select IRQ_MV64340
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
help
The Ocelot-3 is based off Discovery III System Controller and
PMC-Sierra Rm79000 core.
config MOMENCO_JAGUAR_ATX
bool "Support for Momentum Jaguar board"
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
select IRQ_MV64340
select LIMITED_DMA
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
help
The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
config JAGUAR_DMALOW
bool "Low DMA Mode"
depends on MOMENCO_JAGUAR_ATX
help
Select to Y if jump JP5 is set on your board, N otherwise. Normally
the jumper is set, so if you feel unsafe, just say Y.
config PMC_YOSEMITE
bool "Support for PMC-Sierra Yosemite eval board"
select DMA_COHERENT
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
select IRQ_CPU_RM9K
select SWAP_IO_SPACE
help
Yosemite is an evaluation board for the RM9000x2 processor
manufactured by PMC-Sierra
config HYPERTRANSPORT
bool "Hypertransport Support for PMC-Sierra Yosemite"
depends on PMC_YOSEMITE
config DDB5074
bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HAVE_STD_PC_SERIAL_PORT
select HW_HAS_PCI
select IRQ_CPU
select I8259
select ISA
help
This enables support for the VR5000-based NEC DDB Vrc-5074
evaluation board.
config DDB5476
bool "Support for NEC DDB Vrc-5476"
select DMA_NONCOHERENT
select HAVE_STD_PC_SERIAL_PORT
select HW_HAS_PCI
select IRQ_CPU
select I8259
select ISA
help
This enables support for the R5432-based NEC DDB Vrc-5476
evaluation board.
Features : kernel debugging, serial terminal, NFS root fs, on-board
ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
IDE controller, PS2 keyboard, PS2 mouse, etc.
config DDB5477
bool "Support for NEC DDB Vrc-5477"
select DMA_NONCOHERENT
select HW_HAS_PCI
select I8259
select IRQ_CPU
help
This enables support for the R5432-based NEC DDB Vrc-5477,
or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
Features : kernel debugging, serial terminal, NFS root fs, on-board
ether port USB, AC97, PCI, etc.
config DDB5477_BUS_FREQUENCY
int "bus frequency (in kHZ, 0 for auto-detect)"
depends on DDB5477
default 0
config QEMU
bool "Support for Qemu"
select DMA_COHERENT
select GENERIC_ISA_DMA
select HAVE_STD_PC_SERIAL_PORT
select I8259
select ISA
select SWAP_IO_SPACE
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
help
Qemu is a software emulator which among other architectures also
can simulate a MIPS32 4Kc system. This patch adds support for the
system architecture that currently is being simulated by Qemu. It
will eventually be removed again when Qemu has the capability to
simulate actual MIPS hardware platforms. More information on Qemu
can be found at http://www.linux-mips.org/wiki/Qemu.
config SGI_IP22
bool "Support for SGI IP22 (Indy/Indigo2)"
select ARC
select ARC32
select BOOT_ELF32
select DMA_NONCOHERENT
select IP22_CPU_SCACHE
select IRQ_CPU
select SWAP_IO_SPACE
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 "Support for SGI IP27 (Origin200/2000)"
depends on MIPS64
select ARC
select ARC64
select DMA_IP27
select HW_HAS_PCI
select PCI_DOMAINS
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_SN0_XXL
# bool "IP27 XXL"
# depends on SGI_IP27
# This options adds support for userspace processes upto 16TB size.
# Normally the limit is just .5TB.
config SGI_SN0_N_MODE
bool "IP27 N-Mode"
depends on SGI_IP27
help
The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
configured in either N-Modes which allows for more nodes or M-Mode
which allows for more memory. Your system is most probably
running in M-Mode, so you should say N here.
config ARCH_DISCONTIGMEM_ENABLE
bool
default y if SGI_IP27
help
Say Y to upport 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 NUMA
bool "NUMA Support"
depends on SGI_IP27
help
Say Y to compile the kernel to support NUMA (Non-Uniform Memory
Access). This option is for configuring high-end multiprocessor
server machines. If in doubt, say N.
config MAPPED_KERNEL
bool "Mapped kernel support"
depends on SGI_IP27
help
Change the way a Linux kernel is loaded into memory on a MIPS64
machine. This is required in order to support text replication and
NUMA. If you need to understand it, read the source code.
config REPLICATE_KTEXT
bool "Kernel text replication support"
depends on SGI_IP27
help
Say Y here to enable replicating the kernel text across multiple
nodes in a NUMA cluster. This trades memory for speed.
config REPLICATE_EXHANDLERS
bool "Exception handler replication support"
depends on SGI_IP27
help
Say Y here to enable replicating the kernel exception handlers
across multiple nodes in a NUMA cluster. This trades memory for
speed.
config SGI_IP32
bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
depends on MIPS64 && EXPERIMENTAL
select ARC
select ARC32
select BOOT_ELF32
select OWN_DMA
select DMA_IP32
select DMA_NONCOHERENT
select HW_HAS_PCI
select R5000_CPU_SCACHE
select RM7000_CPU_SCACHE
help
If you want this kernel to run on SGI O2 workstation, say Y here.
config SOC_AU1X00
depends on MIPS32
bool "Support for AMD/Alchemy Au1X00 SOCs"
choice
prompt "Au1X00 SOC Type"
depends on SOC_AU1X00
help
Say Y here to enable support for one of three AMD/Alchemy
SOCs. For additional documentation see www.amd.com.
config SOC_AU1000
bool "SOC_AU1000"
config SOC_AU1100
bool "SOC_AU1100"
config SOC_AU1500
bool "SOC_AU1500"
config SOC_AU1550
bool "SOC_AU1550"
endchoice
choice
prompt "AMD/Alchemy Au1x00 board support"
depends on SOC_AU1X00
help
These are evaluation boards built by AMD/Alchemy to
showcase their Au1X00 Internet Edge Processors. The SOC design
is based on the MIPS32 architecture running at 266/400/500MHz
with many integrated peripherals. Further information can be
found at their website, <http://www.amd.com/>. Say Y here if you
wish to build a kernel for this platform.
config MIPS_PB1000
bool "PB1000 board"
depends on SOC_AU1000
select DMA_NONCOHERENT
select HW_HAS_PCI
select SWAP_IO_SPACE
config MIPS_PB1100
bool "PB1100 board"
depends on SOC_AU1100
select DMA_NONCOHERENT
select HW_HAS_PCI
select SWAP_IO_SPACE
config MIPS_PB1500
bool "PB1500 board"
depends on SOC_AU1500
select DMA_COHERENT
select HW_HAS_PCI
config MIPS_PB1550
bool "PB1550 board"
depends on SOC_AU1550
select DMA_COHERENT
select HW_HAS_PCI
select MIPS_DISABLE_OBSOLETE_IDE
config MIPS_DB1000
bool "DB1000 board"
depends on SOC_AU1000
select DMA_NONCOHERENT
select HW_HAS_PCI
config MIPS_DB1100
bool "DB1100 board"
depends on SOC_AU1100
select DMA_NONCOHERENT
config MIPS_DB1500
bool "DB1500 board"
depends on SOC_AU1500
select DMA_COHERENT
select HW_HAS_PCI
select MIPS_DISABLE_OBSOLETE_IDE
config MIPS_DB1550
bool "DB1550 board"
depends on SOC_AU1550
select HW_HAS_PCI
select DMA_COHERENT
select MIPS_DISABLE_OBSOLETE_IDE
config MIPS_BOSPORUS
bool "Bosporus board"
depends on SOC_AU1500
select DMA_NONCOHERENT
config MIPS_MIRAGE
bool "Mirage board"
depends on SOC_AU1500
select DMA_NONCOHERENT
config MIPS_XXS1500
bool "MyCable XXS1500 board"
depends on SOC_AU1500
select DMA_NONCOHERENT
config MIPS_MTX1
bool "4G Systems MTX-1 board"
depends on SOC_AU1500
select HW_HAS_PCI
select DMA_NONCOHERENT
endchoice
config SIBYTE_SB1xxx_SOC
bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
depends on EXPERIMENTAL
select BOOT_ELF32
select DMA_COHERENT
select SWAP_IO_SPACE
choice
prompt "BCM1xxx SOC-based board"
depends on SIBYTE_SB1xxx_SOC
default SIBYTE_SWARM
help
Enable support for boards based on the SiByte line of SOCs
from Broadcom. There are configurations for the known
evaluation boards, or you can choose "Other" and add your
own board support code.
config SIBYTE_SWARM
bool "BCM91250A-SWARM"
select SIBYTE_SB1250
config SIBYTE_SENTOSA
bool "BCM91250E-Sentosa"
select SIBYTE_SB1250
config SIBYTE_RHONE
bool "BCM91125E-Rhone"
select SIBYTE_BCM1125H
config SIBYTE_CARMEL
bool "BCM91120x-Carmel"
select SIBYTE_BCM1120
config SIBYTE_PTSWARM
bool "BCM91250PT-PTSWARM"
select SIBYTE_SB1250
config SIBYTE_LITTLESUR
bool "BCM91250C2-LittleSur"
select SIBYTE_SB1250
config SIBYTE_CRHINE
bool "BCM91120C-CRhine"
select SIBYTE_BCM1120
config SIBYTE_CRHONE
bool "BCM91125C-CRhone"
select SIBYTE_BCM1125
config SIBYTE_UNKNOWN
bool "Other"
endchoice
config SIBYTE_BOARD
bool
depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
default y
choice
prompt "BCM1xxx SOC Type"
depends on SIBYTE_UNKNOWN
default SIBYTE_UNK_BCM1250
help
Since you haven't chosen a known evaluation board from
Broadcom, you must explicitly pick the SOC this kernel is
targetted for.
config SIBYTE_UNK_BCM1250
bool "BCM1250"
select SIBYTE_SB1250
config SIBYTE_UNK_BCM1120
bool "BCM1120"
select SIBYTE_BCM1120
config SIBYTE_UNK_BCM1125
bool "BCM1125"
select SIBYTE_BCM1125
config SIBYTE_UNK_BCM1125H
bool "BCM1125H"
select SIBYTE_BCM1125H
endchoice
config SIBYTE_SB1250
bool
select HW_HAS_PCI
config SIBYTE_BCM1120
bool
select SIBYTE_BCM112X
config SIBYTE_BCM1125
bool
select HW_HAS_PCI
select SIBYTE_BCM112X
config SIBYTE_BCM1125H
bool
select HW_HAS_PCI
select SIBYTE_BCM112X
config SIBYTE_BCM112X
bool
choice
prompt "SiByte SOC Stepping"
depends on SIBYTE_SB1xxx_SOC
config CPU_SB1_PASS_1
bool "1250 Pass1"
depends on SIBYTE_SB1250
select CPU_HAS_PREFETCH
config CPU_SB1_PASS_2_1250
bool "1250 An"
depends on SIBYTE_SB1250
select CPU_SB1_PASS_2
help
Also called BCM1250 Pass 2
config CPU_SB1_PASS_2_2
bool "1250 Bn"
depends on SIBYTE_SB1250
select CPU_HAS_PREFETCH
help
Also called BCM1250 Pass 2.2
config CPU_SB1_PASS_4
bool "1250 Cn"
depends on SIBYTE_SB1250
select CPU_HAS_PREFETCH
help
Also called BCM1250 Pass 3
config CPU_SB1_PASS_2_112x
bool "112x Hybrid"
depends on SIBYTE_BCM112X
select CPU_SB1_PASS_2
config CPU_SB1_PASS_3
bool "112x An"
depends on SIBYTE_BCM112X
select CPU_HAS_PREFETCH
endchoice
config CPU_SB1_PASS_2
bool
config SIBYTE_HAS_LDT
bool
depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
default y
config SIMULATION
bool "Running under simulation"
depends on SIBYTE_SB1xxx_SOC
help
Build a kernel suitable for running under the GDB simulator.
Primarily adjusts the kernel's notion of time.
config SIBYTE_CFE
bool "Booting from CFE"
depends on SIBYTE_SB1xxx_SOC
help
Make use of the CFE API for enumerating available memory,
controlling secondary CPUs, and possibly console output.
config SIBYTE_CFE_CONSOLE
bool "Use firmware console"
depends on SIBYTE_CFE
help
Use the CFE API's console write routines during boot. Other console
options (VT console, sb1250 duart console, etc.) should not be
configured.
config SIBYTE_STANDALONE
bool
depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
default y
config SIBYTE_STANDALONE_RAM_SIZE
int "Memory size (in megabytes)"
depends on SIBYTE_STANDALONE
default "32"
config SIBYTE_BUS_WATCHER
bool "Support for Bus Watcher statistics"
depends on SIBYTE_SB1xxx_SOC
help
Handle and keep statistics on the bus error interrupts (COR_ECC,
BAD_ECC, IO_BUS).
config SIBYTE_BW_TRACE
bool "Capture bus trace before bus error"
depends on SIBYTE_BUS_WATCHER
help
Run a continuous bus trace, dumping the raw data as soon as
a ZBbus error is detected. Cannot work if ZBbus profiling
is turned on, and also will interfere with JTAG-based trace
buffer activity. Raw buffer data is dumped to console, and
must be processed off-line.
config SIBYTE_SB1250_PROF
bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
depends on SIBYTE_SB1xxx_SOC
config SIBYTE_TBPROF
bool "Support for ZBbus profiling"
depends on SIBYTE_SB1xxx_SOC
config SNI_RM200_PCI
bool "Support for SNI RM200 PCI"
select ARC
select ARC32
select BOOT_ELF32
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
select HAVE_STD_PC_SERIAL_PORT
select HW_HAS_PCI
select I8259
select ISA
help
The SNI RM200 PCI was a MIPS-based platform 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 TOSHIBA_RBTX4927
bool "Support for Toshiba TBTX49[23]7 board"
depends on MIPS32
select DMA_NONCOHERENT
select HAS_TXX9_SERIAL
select HW_HAS_PCI
select I8259
select ISA
select SWAP_IO_SPACE
help
This Toshiba board is based on the TX4927 processor. Say Y here to
support this machine type
config TOSHIBA_FPCIB0
bool "FPCIB0 Backplane Support"
depends on TOSHIBA_RBTX4927
config RWSEM_GENERIC_SPINLOCK
bool
default y
config RWSEM_XCHGADD_ALGORITHM
bool
config GENERIC_CALIBRATE_DELAY
bool
default y
config HAVE_DEC_LOCK
bool
default y
#
# Select some configuration options automatically based on user selections.
#
config ARC
bool
depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
default y
config DMA_COHERENT
bool
config DMA_IP27
bool
config DMA_NONCOHERENT
bool
config EARLY_PRINTK
bool
depends on MACH_DECSTATION
default y
config GENERIC_ISA_DMA
bool
depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
default y
config I8259
bool
depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
default y
config LIMITED_DMA
bool
select HIGHMEM
config MIPS_BONITO64
bool
depends on MIPS_ATLAS || MIPS_MALTA
default y
config MIPS_MSC
bool
depends on MIPS_ATLAS || MIPS_MALTA
default y
config MIPS_NILE4
bool
depends on LASAT
default y
config MIPS_DISABLE_OBSOLETE_IDE
bool
config CPU_LITTLE_ENDIAN
bool "Generate little endian code"
default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
help
Some MIPS machines can be configured for either little or big endian
byte order. These modes require different kernels. Say Y if your
machine is little endian, N if it's a big endian machine.
config IRQ_CPU
bool
config IRQ_CPU_RM7K
bool
config IRQ_MV64340
bool
config DDB5XXX_COMMON
bool
depends on DDB5074 || DDB5476 || DDB5477
default y
config MIPS_BOARDS_GEN
bool
depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
default y
config MIPS_GT64111
bool
depends on MIPS_COBALT
default y
config MIPS_GT64120
bool
depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
default y
config MIPS_TX3927
bool
depends on TOSHIBA_JMR3927
select HAS_TXX9_SERIAL
default y
config PCI_MARVELL
bool
config ITE_BOARD_GEN
bool
depends on MIPS_IVR || MIPS_ITE8172
default y
config SWAP_IO_SPACE
bool
#
# Unfortunately not all GT64120 systems run the chip at the same clock.
# As the user for the clock rate and try to minimize the available options.
#
choice
prompt "Galileo Chip Clock"
#default SYSCLK_83 if MIPS_EV64120
depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
default SYSCLK_83 if MIPS_EV64120
default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
config SYSCLK_75
bool "75" if MIPS_EV64120
config SYSCLK_83
bool "83.3" if MIPS_EV64120
config SYSCLK_100
bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
endchoice
config AU1X00_USB_DEVICE
bool
depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
default n
config MIPS_GT96100
bool
depends on MIPS_EV96100
default y
help
Say Y here to support the Galileo Technology GT96100 communications
controller card. There is a web page at <http://www.galileot.com/>.
config IT8172_CIR
bool
depends on MIPS_ITE8172 || MIPS_IVR
default y
config IT8712
bool
depends on MIPS_ITE8172
default y
config BOOT_ELF32
bool
depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
default y
config MIPS_L1_CACHE_SHIFT
int
default "4" if MACH_DECSTATION
default "7" if SGI_IP27
default "5"
config ARC32
bool
depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
default y
config HAVE_STD_PC_SERIAL_PORT
bool
config ARC_CONSOLE
bool "ARC console support"
depends on SGI_IP22 || SNI_RM200_PCI
config ARC_MEMORY
bool
depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
default y
config ARC_PROMLIB
bool
depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
default y
config ARC64
bool
depends on SGI_IP27
default y
config BOOT_ELF64
bool
depends on SGI_IP27
default y
#config MAPPED_PCI_IO y
# bool
# depends on SGI_IP27
# default y
config QL_ISP_A64
bool
depends on SGI_IP27
default y
config TOSHIBA_BOARDS
bool
depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
default y
endmenu
menu "CPU selection"
choice
prompt "CPU type"
default CPU_R4X00
config CPU_MIPS32
bool "MIPS32"
config CPU_MIPS64
bool "MIPS64"
config CPU_R3000
bool "R3000"
depends on MIPS32
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 MIPS32
config CPU_VR41XX
bool "R41xx"
help
The options selects support for the NEC VR41xx 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"
help
MIPS Technologies R4300-series processors.
config CPU_R4X00
bool "R4x00"
help
MIPS Technologies R4000-series processors other than 4300, including
the R4000, R4400, R4600, and 4700.
config CPU_TX49XX
bool "R49XX"
config CPU_R5000
bool "R5000"
help
MIPS Technologies R5000-series processors other than the Nevada.
config CPU_R5432
bool "R5432"
config CPU_R6000
bool "R6000"
depends on MIPS32 && EXPERIMENTAL
help
MIPS Technologies R6000 and R6000A series processors. Note these
processors are extremly rare and the support for them is incomplete.
config CPU_NEVADA
bool "RM52xx"
help
QED / PMC-Sierra RM52xx-series ("Nevada") processors.
config CPU_R8000
bool "R8000"
depends on MIPS64 && EXPERIMENTAL
help
MIPS Technologies R8000 processors. Note these processors are
uncommon and the support for them is incomplete.
config CPU_R10000
bool "R10000"
help
MIPS Technologies R10000-series processors.
config CPU_RM7000
bool "RM7000"
config CPU_RM9000
bool "RM9000"
config CPU_SB1
bool "SB1"
endchoice
choice
prompt "Kernel page size"
default PAGE_SIZE_4KB
config PAGE_SIZE_4KB
bool "4kB"
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
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.
config PAGE_SIZE_16KB
bool "16kB"
depends on EXPERIMENTAL && !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 processor. Not that at the time of this
writing this option is still high experimental; there are also
issues with compatibility of user applications.
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; there are also
issues with compatibility of user applications.
endchoice
config BOARD_SCACHE
bool
config IP22_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 "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
config VTAG_ICACHE
bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
default y if CPU_SB1
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 "Support for 64-bit physical address space"
depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
config CPU_ADVANCED
bool "Override CPU Options"
depends on MIPS32
help
Saying yes here allows you to select support for various features
your CPU may or may not have. Most people should say N here.
config CPU_HAS_LLSC
bool "ll/sc Instructions available" if CPU_ADVANCED
default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
help
MIPS R4000 series and later provide the Load Linked (ll)
and Store Conditional (sc) instructions. More information is
available at <http://www.go-ecs.com/mips/miptek1.htm>.
Say Y here if your CPU has the ll and sc instructions. Say Y here
for better performance, N if you don't know. You must say Y here
for multiprocessor machines.
config CPU_HAS_LLDSCD
bool "lld/scd Instructions available" if CPU_ADVANCED
default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
help
Say Y here if your CPU has the lld and scd instructions, the 64-bit
equivalents of ll and sc. Say Y here for better performance, N if
you don't know. You must say Y here for multiprocessor machines.
config CPU_HAS_WB
bool "Writeback Buffer available" if CPU_ADVANCED
default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
help
Say N here for slightly better performance. You must say Y here for
machines which require flushing of write buffers in software. Saying
Y is the safe option; N may result in kernel malfunction and crashes.
config CPU_HAS_SYNC
bool
depends on !CPU_R3000
default y
#
# - 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 should not offer highmem for system of which we already know that they
# don't have memory configurations that could gain from highmem support in
# the kernel because they don't support configurations with RAM at physical
# addresses > 0x20000000.
#
config HIGHMEM
bool "High Memory Support"
depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
config ARCH_FLATMEM_ENABLE
def_bool y
depends on !NUMA
source "mm/Kconfig"
config SMP
bool "Multi-Processing support"
depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
---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 <file:Documentation/smp.txt> and the SMP-HOWTO
available at <http://www.tldp.org/docs.html#howto>.
If you don't know what to do here, say N.
config NR_CPUS
int "Maximum number of CPUs (2-64)"
range 2 64
depends on SMP
default "64" if SGI_IP27
default "2"
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 2.
This is purely to save memory - each supported CPU adds
approximately eight kilobytes to the kernel image.
config PREEMPT
bool "Preemptible Kernel"
help
This option reduces the latency of the kernel when reacting to
real-time or interactive events by allowing a low priority process to
be preempted even if it is in kernel mode executing a system call.
This allows applications to run more reliably even when the system is
under load.
config RTC_DS1742
bool "DS1742 BRAM/RTC support"
depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
config MIPS_INSANE_LARGE
bool "Support for large 64-bit configurations"
depends on CPU_R10000 && MIPS64
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 RWSEM_GENERIC_SPINLOCK
bool
default y
endmenu
menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
config HW_HAS_PCI
bool
config PCI
bool "Support for PCI controller"
depends on HW_HAS_PCI
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.
The PCI-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, contains valuable
information about which PCI hardware does work under Linux and which
doesn't.
config PCI_DOMAINS
bool
depends on PCI
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 SGI_IP22 || SNI_RM200_PCI
select ISA
---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. Documentation on writing device drivers for TurboChannel
is available at:
<http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
#config ACCESSBUS
# bool "Access.Bus support"
# depends on TC
config MMU
bool
default y
config MCA
bool
config SBUS
bool
source "drivers/pcmcia/Kconfig"
source "drivers/pci/hotplug/Kconfig"
endmenu
menu "Executable file formats"
source "fs/Kconfig.binfmt"
config TRAD_SIGNALS
bool
default y if MIPS32
config BUILD_ELF64
bool "Use 64-bit ELF format for building"
depends on MIPS64
help
A 64-bit kernel is usually built using the 64-bit ELF binary object
format as it's one that allows arbitrary 64-bit constructs. For
kernels that are loaded within the KSEG compatibility segments the
32-bit ELF format can optionally be used resulting in a somewhat
smaller binary, but this option is not explicitly supported by the
toolchain and since binutils 2.14 it does not even work at all.
Say Y to use the 64-bit format or N to use the 32-bit one.
If unsure say Y.
config BINFMT_IRIX
bool "Include IRIX binary compatibility"
depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
config MIPS32_COMPAT
bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
depends on MIPS64
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 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
config PM
bool "Power Management support (EXPERIMENTAL)"
depends on EXPERIMENTAL && MACH_AU1X00
endmenu
source "net/Kconfig"
source "drivers/Kconfig"
source "fs/Kconfig"
source "arch/mips/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
#
# Use the generic interrupt handling code in kernel/irq/:
#
config GENERIC_HARDIRQS
bool
default y
config GENERIC_IRQ_PROBE
bool
default y
config ISA_DMA_API
bool
default y
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