# 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
+# shouldn't it be per-subarchitecture?
+config ARCH_MAY_HAVE_PC_FDC
bool
- depends on MIPS64 = 'n'
default y
mainmenu "Linux/MIPS Kernel Configuration"
source "init/Kconfig"
+config SYS_SUPPORTS_32BIT_KERNEL
+ bool
+config SYS_SUPPORTS_64BIT_KERNEL
+ bool
+config CPU_SUPPORTS_32BIT_KERNEL
+ bool
+config CPU_SUPPORTS_64BIT_KERNEL
+ bool
+
+menu "Kernel type"
+
+choice
+
+ prompt "Kernel code model"
+ help
+ You should only select this option if you have a workload that
+ actually benefits from 64-bit processing or if your machine has
+ large memory. You will only be presented a single option in this
+ menu if your system does not support both 32-bit and 64-bit kernels.
+
+config 32BIT
+ bool "32-bit kernel"
+ depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
+ select TRAD_SIGNALS
+ help
+ Select this option if you want to build a 32-bit kernel.
+
+config 64BIT
+ bool "64-bit kernel"
+ depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
+ help
+ Select this option if you want to build a 64-bit kernel.
+
+endchoice
+
+endmenu
+
menu "Machine selection"
config MACH_JAZZ
select GENERIC_ISA_DMA
select I8259
select ISA
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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.
config MACH_VR41XX
bool "Support for NEC VR4100 series based machines"
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
config NEC_CMBVR4133
bool "Support for NEC CMB-VR4133"
The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
Please refer to <http://www.tanbac.co.jp/> about Mbase.
+config TANBAC_TB0287
+ bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
+ depends on TANBAC_TB022X
+ help
+ The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
+ Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
+
config VICTOR_MPC30X
bool "Support for Victor MP-C303/304"
depends on MACH_VR41XX
config TOSHIBA_JMR3927
bool "Support for Toshiba JMR-TX3927 board"
- depends on MIPS32
select DMA_NONCOHERENT
select HW_HAS_PCI
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
config MIPS_COBALT
- bool "Support for Cobalt Server (EXPERIMENTAL)"
+ bool "Support for Cobalt Server"
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
select I8259
select IRQ_CPU
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
config MACH_DECSTATION
bool "Support for DECstations"
select BOOT_ELF32
select DMA_NONCOHERENT
select IRQ_CPU
- depends on MIPS32 || EXPERIMENTAL
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if 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
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_GT64120
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
This is an evaluation board based on the Galileo GT-64120
single-chip system controller that contains a MIPS R5000 compatible
select MIPS_GT96100
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
This is an evaluation board based on the Galileo GT-96100 LAN/WAN
communications controllers containing a MIPS R5000 compatible core
bool "Support for Globespan IVR board"
select DMA_NONCOHERENT
select HW_HAS_PCI
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
help
This is an evaluation board built by Globespan to showcase thir
iVR (Internet Video Recorder) design. It utilizes a QED RM5231
select HW_HAS_PCI
select MIPS_GT64120
select R5000_CPU_SCACHE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
config PICVUE
tristate "PICVUE LCD display driver"
bool "Support for ITE 8172G board"
select DMA_NONCOHERENT
select HW_HAS_PCI
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
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
select HW_HAS_PCI
select MIPS_GT64120
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
This enables support for the QED R5231-based MIPS Atlas evaluation
board.
select I8259
select MIPS_GT64120
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
This enables support for the VR5000-based MIPS Malta evaluation
board.
depends on EXPERIMENTAL
select IRQ_CPU
select DMA_NONCOHERENT
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
config MOMENCO_OCELOT
bool "Support for Momentum Ocelot board"
select MIPS_GT64120
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
The Ocelot-3 is based off Discovery III System Controller and
PMC-Sierra Rm79000 core.
select PCI_MARVELL
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
select IRQ_CPU_RM7K
select IRQ_CPU_RM9K
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
Yosemite is an evaluation board for the RM9000x2 processor
manufactured by PMC-Sierra
select IRQ_CPU
select I8259
select ISA
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
This enables support for the VR5000-based NEC DDB Vrc-5074
evaluation board.
select IRQ_CPU
select I8259
select ISA
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
help
This enables support for the R5432-based NEC DDB Vrc-5476
evaluation board.
select HW_HAS_PCI
select I8259
select IRQ_CPU
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
help
This enables support for the R5432-based NEC DDB Vrc-5477,
or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
select IP22_CPU_SCACHE
select IRQ_CPU
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
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
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
+ select SYS_SUPPORTS_64BIT_KERNEL
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
config SGI_IP32
bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
- depends on MIPS64 && EXPERIMENTAL
+ depends on EXPERIMENTAL
select ARC
select ARC32
select BOOT_ELF32
select HW_HAS_PCI
select R5000_CPU_SCACHE
select RM7000_CPU_SCACHE
+ select SYS_SUPPORTS_64BIT_KERNEL
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"
+ select SYS_SUPPORTS_32BIT_KERNEL
choice
prompt "Au1X00 SOC Type"
select BOOT_ELF32
select DMA_COHERENT
select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
choice
prompt "BCM1xxx SOC-based board"
select HW_HAS_PCI
select I8259
select ISA
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
help
The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
Nixdorf Informationssysteme (SNI), parent company of Pyramid
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
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_64BIT_KERNEL
help
This Toshiba board is based on the TX4927 processor. Say Y here to
support this machine type
depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
default y
-config DMA_COHERENT
+config DMA_COHERENT
+ bool
+
+config DMA_IP27
bool
-config DMA_IP27
+config DMA_IP32
bool
+ select DMA_NEED_PCI_MAP_STATE
-config DMA_NONCOHERENT
+config DMA_NONCOHERENT
+ bool
+ select DMA_NEED_PCI_MAP_STATE
+
+config DMA_NEED_PCI_MAP_STATE
bool
config EARLY_PRINTK
config CPU_MIPS32
bool "MIPS32"
+ select CPU_SUPPORTS_32BIT_KERNEL
config CPU_MIPS64
bool "MIPS64"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
config CPU_R3000
bool "R3000"
- depends on MIPS32
+ select CPU_SUPPORTS_32BIT_KERNEL
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
config CPU_TX39XX
bool "R39XX"
- depends on MIPS32
+ select CPU_SUPPORTS_32BIT_KERNEL
config CPU_VR41XX
bool "R41xx"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
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
config CPU_R4300
bool "R4300"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
help
MIPS Technologies R4300-series processors.
config CPU_R4X00
bool "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"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
config CPU_R5000
bool "R5000"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
help
MIPS Technologies R5000-series processors other than the Nevada.
config CPU_R6000
bool "R6000"
- depends on MIPS32 && EXPERIMENTAL
+ depends on EXPERIMENTAL
+ select CPU_SUPPORTS_32BIT_KERNEL
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"
+ 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 MIPS64 && EXPERIMENTAL
+ depends on EXPERIMENTAL
+ 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"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
help
MIPS Technologies R10000-series processors.
config CPU_RM7000
bool "RM7000"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
config CPU_RM9000
bool "RM9000"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
config CPU_SB1
bool "SB1"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
endchoice
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
+ depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
config CPU_ADVANCED
bool "Override CPU Options"
- depends on MIPS32
+ depends on 32BIT
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 HIGHMEM
bool "High Memory Support"
- depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
+ depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
config ARCH_FLATMEM_ENABLE
def_bool y
config MIPS_INSANE_LARGE
bool "Support for large 64-bit configurations"
- depends on CPU_R10000 && MIPS64
+ 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
config TRAD_SIGNALS
bool
- default y if MIPS32
+ default y if 32BIT
config BUILD_ELF64
bool "Use 64-bit ELF format for building"
- depends on MIPS64
+ depends on 64BIT
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
config BINFMT_IRIX
bool "Include IRIX binary compatibility"
- depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
+ depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
config MIPS32_COMPAT
bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
- depends on MIPS64
+ depends on 64BIT
help
Select this option if you want Linux/MIPS 32-bit binary
compatibility. Since all software available for Linux/MIPS is
projects / cascardo / linux.git / blobdiff