#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
#
mainmenu "Linux/SuperH Kernel Configuration"
config SUPERH
bool
default y
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
gaming console. The SuperH port has a home page at
<http://www.linux-sh.org/>.
config UID16
bool
default y
config RWSEM_GENERIC_SPINLOCK
bool
default y
config RWSEM_XCHGADD_ALGORITHM
bool
config GENERIC_HARDIRQS
bool
default y
config GENERIC_IRQ_PROBE
bool
default y
config GENERIC_CALIBRATE_DELAY
bool
default y
source "init/Kconfig"
menu "System type"
choice
prompt "SuperH system type"
default SH_UNKNOWN
config SH_SOLUTION_ENGINE
bool "SolutionEngine"
help
Select SolutionEngine if configuring for a Hitachi SH7709
or SH7750 evaluation board.
config SH_7751_SOLUTION_ENGINE
bool "SolutionEngine7751"
help
Select 7751 SolutionEngine if configuring for a Hitachi SH7751
evaluation board.
config SH_7300_SOLUTION_ENGINE
bool "SolutionEngine7300"
help
Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V)
evaluation board.
config SH_73180_SOLUTION_ENGINE
bool "SolutionEngine73180"
help
Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3)
evaluation board.
config SH_7751_SYSTEMH
bool "SystemH7751R"
help
Select SystemH if you are configuring for a Renesas SystemH
7751R evaluation board.
config SH_STB1_HARP
bool "STB1_Harp"
config SH_STB1_OVERDRIVE
bool "STB1_Overdrive"
config SH_HP620
bool "HP620"
help
Select HP620 if configuring for a HP jornada HP620.
More information (hardware only) at
<http://www.hp.com/jornada/>.
config SH_HP680
bool "HP680"
help
Select HP680 if configuring for a HP Jornada HP680.
More information (hardware only) at
<http://www.hp.com/jornada/products/680/>.
config SH_HP690
bool "HP690"
help
Select HP690 if configuring for a HP Jornada HP690.
More information (hardware only)
at <http://www.hp.com/jornada/products/680/>.
config SH_CQREEK
bool "CqREEK"
help
Select CqREEK if configuring for a CqREEK SH7708 or SH7750.
More information at
<http://sources.redhat.com/ecos/hardware.html#SuperH>.
config SH_DMIDA
bool "DMIDA"
help
Select DMIDA if configuring for a DataMyte 4000 Industrial
Digital Assistant. More information at <http://www.dmida.com/>.
config SH_EC3104
bool "EC3104"
help
Select EC3104 if configuring for a system with an Eclipse
International EC3104 chip, e.g. the Harris AD2000.
config SH_SATURN
bool "Saturn"
help
Select Saturn if configuring for a SEGA Saturn.
config SH_DREAMCAST
bool "Dreamcast"
help
Select Dreamcast if configuring for a SEGA Dreamcast.
More information at
<http://www.m17n.org/linux-sh/dreamcast/>. There is a
Dreamcast project is at <http://linuxdc.sourceforge.net/>.
config SH_CAT68701
bool "CAT68701"
config SH_BIGSUR
bool "BigSur"
config SH_SH2000
bool "SH2000"
help
SH-2000 is a single-board computer based around SH7709A chip
intended for embedded applications.
It has an Ethernet interface (CS8900A), direct connected
Compact Flash socket, three serial ports and PC-104 bus.
More information at <http://sh2000.sh-linux.org>.
config SH_ADX
bool "ADX"
config SH_MPC1211
bool "MPC1211"
config SH_SH03
bool "SH03"
help
CTP/PCI-SH03 is a CPU module computer that produced
by Interface Corporation.
It is compact and excellent in durability.
It will play an active part in your factory or laboratory
as a FA computer.
More information at <http://www.interface.co.jp>
config SH_SECUREEDGE5410
bool "SecureEdge5410"
help
Select SecureEdge5410 if configuring for a SnapGear SH board.
This includes both the OEM SecureEdge products as well as the
SME product line.
config SH_HS7751RVOIP
bool "HS7751RVOIP"
help
Select HS7751RVOIP if configuring for a Renesas Technology
Sales VoIP board.
config SH_RTS7751R2D
bool "RTS7751R2D"
help
Select RTS7751R2D if configuring for a Renesas Technology
Sales SH-Graphics board.
config SH_EDOSK7705
bool "EDOSK7705"
config SH_SH4202_MICRODEV
bool "SH4-202 MicroDev"
help
Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
with an SH4-202 CPU.
config SH_UNKNOWN
bool "BareCPU"
help
"Bare CPU" aka "unknown" means an SH-based system which is not one
of the specific ones mentioned above, which means you need to enter
all sorts of stuff like CONFIG_MEMORY_START because the config
system doesn't already know what it is. You get a machine vector
without any platform-specific code in it, so things like the RTC may
not work.
This option is for the early stages of porting to a new machine.
endchoice
choice
prompt "Processor family"
default CPU_SH4
help
This option determines the CPU family to compile for. Supported
targets are SH-2, SH-3, and SH-4. These options are independent of
CPU functionality. As such, SH-DSP users will still want to select
their respective processor family in addition to the DSP support
option.
config CPU_SH2
bool "SH-2"
select SH_WRITETHROUGH
config CPU_SH3
bool "SH-3"
config CPU_SH4
bool "SH-4"
endchoice
choice
prompt "Processor subtype"
config CPU_SUBTYPE_SH7604
bool "SH7604"
depends on CPU_SH2
help
Select SH7604 if you have SH7604
config CPU_SUBTYPE_SH7300
bool "SH7300"
depends on CPU_SH3
config CPU_SUBTYPE_SH7705
bool "SH7705"
depends on CPU_SH3
config CPU_SUBTYPE_SH7707
bool "SH7707"
depends on CPU_SH3
help
Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
config CPU_SUBTYPE_SH7708
bool "SH7708"
depends on CPU_SH3
help
Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
if you have a 100 Mhz SH-3 HD6417708R CPU.
config CPU_SUBTYPE_SH7709
bool "SH7709"
depends on CPU_SH3
help
Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
config CPU_SUBTYPE_SH7750
bool "SH7750"
depends on CPU_SH4
help
Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
config CPU_SUBTYPE_SH7751
bool "SH7751/SH7751R"
depends on CPU_SH4
help
Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
or if you have a HD6417751R CPU.
config CPU_SUBTYPE_SH7760
bool "SH7760"
depends on CPU_SH4
config CPU_SUBTYPE_SH73180
bool "SH73180"
depends on CPU_SH4
config CPU_SUBTYPE_ST40STB1
bool "ST40STB1 / ST40RA"
depends on CPU_SH4
help
Select ST40STB1 if you have a ST40RA CPU.
This was previously called the ST40STB1, hence the option name.
config CPU_SUBTYPE_ST40GX1
bool "ST40GX1"
depends on CPU_SH4
help
Select ST40GX1 if you have a ST40GX1 CPU.
config CPU_SUBTYPE_SH4_202
bool "SH4-202"
depends on CPU_SH4
endchoice
config SH7705_CACHE_32KB
bool "Enable 32KB cache size for SH7705"
depends on CPU_SUBTYPE_SH7705
default y
config MMU
bool "Support for memory management hardware"
depends on !CPU_SH2
default y
help
Early SH processors (such as the SH7604) lack an MMU. In order to
boot on these systems, this option must not be set.
On other systems (such as the SH-3 and 4) where an MMU exists,
turning this off will boot the kernel on these machines with the
MMU implicitly switched off.
choice
prompt "HugeTLB page size"
depends on HUGETLB_PAGE && CPU_SH4 && MMU
default HUGETLB_PAGE_SIZE_64K
config HUGETLB_PAGE_SIZE_64K
bool "64K"
config HUGETLB_PAGE_SIZE_1MB
bool "1MB"
endchoice
config CMDLINE_BOOL
bool "Default bootloader kernel arguments"
config CMDLINE
string "Initial kernel command string"
depends on CMDLINE_BOOL
default "console=ttySC1,115200"
# Platform-specific memory start and size definitions
config MEMORY_START
hex "Physical memory start address" if !MEMORY_SET || MEMORY_OVERRIDE
default "0x08000000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || SH_MPC1211 || SH_SH03 || SH_SECUREEDGE5410 || SH_SH4202_MICRODEV
default "0x0c000000" if !MEMORY_OVERRIDE && (SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_73180_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_EDOSK7705)
---help---
Computers built with Hitachi SuperH processors always
map the ROM starting at address zero. But the processor
does not specify the range that RAM takes.
The physical memory (RAM) start address will be automatically
set to 08000000, unless you selected one of the following
processor types: SolutionEngine, Overdrive, HP620, HP680, HP690,
in which case the start address will be set to 0c000000.
Tweak this only when porting to a new machine which is not already
known by the config system. Changing it from the known correct
value on any of the known systems will only lead to disaster.
config MEMORY_SIZE
hex "Physical memory size" if !MEMORY_SET || MEMORY_OVERRIDE
default "0x00400000" if !MEMORY_SET || MEMORY_OVERRIDE || !MEMORY_OVERRIDE && SH_ADX || !MEMORY_OVERRIDE && (SH_HP600 || SH_BIGSUR || SH_SH2000)
default "0x01000000" if !MEMORY_OVERRIDE && SH_DREAMCAST || SH_SECUREEDGE5410 || SH_EDOSK7705
default "0x02000000" if !MEMORY_OVERRIDE && (SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE)
default "0x04000000" if !MEMORY_OVERRIDE && (SH_7300_SOLUTION_ENGINE || SH_7751_SOLUTION_ENGINE || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV)
default "0x08000000" if SH_MPC1211 || SH_SH03
help
This sets the default memory size assumed by your SH kernel. It can
be overridden as normal by the 'mem=' argument on the kernel command
line. If unsure, consult your board specifications or just leave it
as 0x00400000 which was the default value before this became
configurable.
config MEMORY_SET
bool
depends on !MEMORY_OVERRIDE && (SH_MPC1211 || SH_SH03 || SH_ADX || SH_DREAMCAST || SH_HP600 || SH_BIGSUR || SH_SH2000 || SH_7751_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_SECUREEDGE5410 || SH_HS7751RVOIP || SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_EDOSK7705)
default y
help
This is an option about which you will never be asked a question.
Therefore, I conclude that you do not exist - go away.
There is a grue here.
# If none of the above have set memory start/size, ask the user.
config MEMORY_OVERRIDE
bool "Override default load address and memory size"
# XXX: break these out into the board-specific configs below
config CF_ENABLER
bool "Compact Flash Enabler support"
depends on SH_ADX || SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_CAT68701 || SH_SH03
---help---
Compact Flash is a small, removable mass storage device introduced
in 1994 originally as a PCMCIA device. If you say `Y' here, you
compile in support for Compact Flash devices directly connected to
a SuperH processor. A Compact Flash FAQ is available at
<http://www.compactflash.org/faqs/faq.htm>.
If your board has "Directly Connected" CompactFlash at area 5 or 6,
you may want to enable this option. Then, you can use CF as
primary IDE drive (only tested for SanDisk).
If in doubt, select 'N'.
choice
prompt "Compact Flash Connection Area"
depends on CF_ENABLER
default CF_AREA6
config CF_AREA5
bool "Area5"
help
If your board has "Directly Connected" CompactFlash, You should
select the area where your CF is connected to.
- "Area5" if CompactFlash is connected to Area 5 (0x14000000)
- "Area6" if it is connected to Area 6 (0x18000000)
"Area6" will work for most boards. For ADX, select "Area5".
config CF_AREA6
bool "Area6"
endchoice
config CF_BASE_ADDR
hex
depends on CF_ENABLER
default "0xb8000000" if CF_AREA6
default "0xb4000000" if CF_AREA5
# The SH7750 RTC module is disabled in the Dreamcast
config SH_RTC
bool
depends on !SH_DREAMCAST && !SH_SATURN && !SH_7300_SOLUTION_ENGINE && !SH_73180_SOLUTION_ENGINE
default y
help
Selecting this option will allow the Linux kernel to emulate
PC's RTC.
If unsure, say N.
config SH_FPU
bool "FPU support"
depends on !CPU_SH3
default y
help
Selecting this option will enable support for SH processors that
have FPU units (ie, SH77xx).
This option must be set in order to enable the FPU.
config SH_DSP
bool "DSP support"
depends on !CPU_SH4
default y
help
Selecting this option will enable support for SH processors that
have DSP units (ie, SH2-DSP and SH3-DSP). It is safe to say Y here
by default, as the existance of the DSP will be probed at runtime.
This option must be set in order to enable the DSP.
config SH_ADC
bool "ADC support"
depends on CPU_SH3
default y
help
Selecting this option will allow the Linux kernel to use SH3 on-chip
ADC module.
If unsure, say N.
config SH_HP600
bool
depends on SH_HP620 || SH_HP680 || SH_HP690
default y
config CPU_SUBTYPE_ST40
bool
depends on CPU_SUBTYPE_ST40STB1 || CPU_SUBTYPE_ST40GX1
default y
config DISCONTIGMEM
bool
depends on SH_HP690
default y
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 ZERO_PAGE_OFFSET
hex "Zero page offset"
default "0x00001000" if !(SH_MPC1211 || SH_SH03)
default "0x00004000" if SH_MPC1211 || SH_SH03
help
This sets the default offset of zero page.
# XXX: needs to lose subtype for system type
config ST40_LMI_MEMORY
bool "Memory on LMI"
depends on CPU_SUBTYPE_ST40STB1
config MEMORY_START
hex
depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY
default "0x08000000"
config MEMORY_SIZE
hex
depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY
default "0x00400000"
config MEMORY_SET
bool
depends on CPU_SUBTYPE_ST40STB1 && ST40_LMI_MEMORY
default y
config BOOT_LINK_OFFSET
hex "Link address offset for booting"
default "0x00800000"
help
This option allows you to set the link address offset of the zImage.
This can be useful if you are on a board which has a small amount of
memory.
config CPU_LITTLE_ENDIAN
bool "Little Endian"
help
Some SuperH 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 PREEMPT
bool "Preemptible Kernel (EXPERIMENTAL)"
depends on EXPERIMENTAL
config UBC_WAKEUP
bool "Wakeup UBC on startup"
help
Selecting this option will wakeup the User Break Controller (UBC) on
startup. Although the UBC is left in an awake state when the processor
comes up, some boot loaders misbehave by putting the UBC to sleep in a
power saving state, which causes issues with things like ptrace().
If unsure, say N.
config SH_WRITETHROUGH
bool "Use write-through caching"
default y if CPU_SH2
help
Selecting this option will configure the caches in write-through
mode, as opposed to the default write-back configuration.
Since there's sill some aliasing issues on SH-4, this option will
unfortunately still require the majority of flushing functions to
be implemented to deal with aliasing.
If unsure, say N.
config SH_OCRAM
bool "Operand Cache RAM (OCRAM) support"
help
Selecting this option will automatically tear down the number of
sets in the dcache by half, which in turn exposes a memory range.
The addresses for the OC RAM base will vary according to the
processor version. Consult vendor documentation for specifics.
If unsure, say N.
config SH_STORE_QUEUES
bool "Support for Store Queues"
depends on CPU_SH4
help
Selecting this option will enable an in-kernel API for manipulating
the store queues integrated in the SH-4 processors.
config SMP
bool "Symmetric multi-processing support"
---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>,
<file:Documentation/nmi_watchdog.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 (2-32)"
range 2 32
depends on SMP
default "2"
help
This allows you to specify the maximum number of CPUs which this
kernel will support. The maximum supported value is 32 and 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 HS7751RVOIP_CODEC
bool "Support VoIP Codec section"
depends on SH_HS7751RVOIP
help
Selecting this option will support CODEC section.
config RTS7751R2D_REV11
bool "RTS7751R2D Rev. 1.1 board support"
depends on SH_RTS7751R2D
help
Selecting this option will support version rev. 1.1.
config SH_PCLK_CALC
bool
default n if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH73180
default y
help
This option will cause the PCLK value to be probed at run-time. It
will display a notification if the probed value has greater than a
1% variance of the hardcoded CONFIG_SH_PCLK_FREQ.
config SH_PCLK_FREQ
int "Peripheral clock frequency (in Hz)"
default "50000000" if CPU_SUBTYPE_SH7750
default "60000000" if CPU_SUBTYPE_SH7751
default "33333333" if CPU_SUBTYPE_SH7300
default "27000000" if CPU_SUBTYPE_SH73180
default "66000000" if CPU_SUBTYPE_SH4_202
default "1193182"
help
This option is used to specify the peripheral clock frequency. This
option must be set for each processor in order for the kernel to
function reliably. If no sane default exists, we use a default from
the legacy i8254. Any discrepancies will be reported on boot time
with an auto-probed frequency which should be considered the proper
value for your hardware.
menu "CPU Frequency scaling"
source "drivers/cpufreq/Kconfig"
config SH_CPU_FREQ
tristate "SuperH CPU Frequency driver"
depends on CPU_FREQ
select CPU_FREQ_TABLE
help
This adds the cpufreq driver for SuperH. At present, only
the SH-4 is supported.
For details, take a look at <file:Documentation/cpu-freq>.
If unsure, say N.
endmenu
source "arch/sh/drivers/dma/Kconfig"
source "arch/sh/cchips/Kconfig"
config HEARTBEAT
bool "Heartbeat LED"
depends on SH_MPC1211 || SH_SH03 || SH_CAT68701 || SH_STB1_HARP || SH_STB1_OVERDRIVE || SH_BIGSUR || SH_7751_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || SH_RTS7751R2D || SH_SH4202_MICRODEV
help
Use the power-on LED on your machine as a load meter. The exact
behavior is platform-dependent, but normally the flash frequency is
a hyperbolic function of the 5-minute load average.
config RTC_9701JE
tristate "EPSON RTC-9701JE support"
depends on SH_RTS7751R2D
help
Selecting this option will support EPSON RTC-9701JE.
endmenu
menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
# Even on SuperH devices which don't have an ISA bus,
# this variable helps the PCMCIA modules handle
# IRQ requesting properly -- Greg Banks.
#
# Though we're generally not interested in it when
# we're not using PCMCIA, so we make it dependent on
# PCMCIA outright. -- PFM.
config ISA
bool
default y if PCMCIA || SMC91X
help
Find out whether you have ISA slots on your motherboard. ISA 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 PCI, EISA, MicroChannel
(MCA) or VESA. ISA is an older system, now being displaced by PCI;
newer boards don't support it. If you have ISA, say Y, otherwise N.
config EISA
bool
---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.
config MCA
bool
help
MicroChannel Architecture is found in some IBM PS/2 machines and
laptops. It is a bus system similar to PCI or ISA. See
<file:Documentation/mca.txt> (and especially the web page given
there) before attempting to build an MCA bus kernel.
config SBUS
bool
config MAPLE
tristate "Maple Bus support"
depends on SH_DREAMCAST
default y
source "arch/sh/drivers/pci/Kconfig"
source "drivers/pci/Kconfig"
source "drivers/pcmcia/Kconfig"
source "drivers/pci/hotplug/Kconfig"
endmenu
menu "Executable file formats"
source "fs/Kconfig.binfmt"
endmenu
menu "SH initrd options"
depends on BLK_DEV_INITRD
config EMBEDDED_RAMDISK
bool "Embed root filesystem ramdisk into the kernel"
config EMBEDDED_RAMDISK_IMAGE
string "Filename of gziped ramdisk image"
depends on EMBEDDED_RAMDISK
default "ramdisk.gz"
help
This is the filename of the ramdisk image to be built into the
kernel. Relative pathnames are relative to arch/sh/ramdisk/.
The ramdisk image is not part of the kernel distribution; you must
provide one yourself.
endmenu
source "drivers/Kconfig"
source "fs/Kconfig"
source "arch/sh/oprofile/Kconfig"
source "arch/sh/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
