mainmenu "Linux/SuperH Kernel Configuration"
config SUPERH
- bool
- default y
+ def_bool y
+ select EMBEDDED
+ select HAVE_CLK
+ select HAVE_IDE
+ select HAVE_OPROFILE
+ select HAVE_GENERIC_DMA_COHERENT
+ select HAVE_IOREMAP_PROT if MMU
+ select HAVE_ARCH_TRACEHOOK
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 SUPERH32
+ def_bool !SUPERH64
+ select HAVE_KPROBES
+ select HAVE_KRETPROBES
+ select HAVE_FUNCTION_TRACER
+ select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_ARCH_KGDB
+ select ARCH_HIBERNATION_POSSIBLE if MMU
+
+config SUPERH64
+ def_bool y if CPU_SH5
+
+config ARCH_DEFCONFIG
+ string
+ default "arch/sh/configs/shx3_defconfig" if SUPERH32
+ default "arch/sh/configs/cayman_defconfig" if SUPERH64
+
config RWSEM_GENERIC_SPINLOCK
- bool
- default y
+ def_bool y
config RWSEM_XCHGADD_ALGORITHM
bool
+config GENERIC_BUG
+ def_bool y
+ depends on BUG && SUPERH32
+
+config GENERIC_FIND_NEXT_BIT
+ def_bool y
+
+config GENERIC_HWEIGHT
+ def_bool y
+
config GENERIC_HARDIRQS
- bool
- default y
+ def_bool y
+
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ def_bool y
config GENERIC_IRQ_PROBE
- bool
- default y
+ def_bool y
+
+config GENERIC_GPIO
+ def_bool n
config GENERIC_CALIBRATE_DELAY
bool
- default y
config GENERIC_IOMAP
bool
-config ARCH_MAY_HAVE_PC_FDC
+config GENERIC_TIME
+ def_bool n
+
+config GENERIC_CLOCKEVENTS
+ def_bool n
+
+config GENERIC_CLOCKEVENTS_BROADCAST
bool
-source "init/Kconfig"
+config GENERIC_LOCKBREAK
+ def_bool y
+ depends on SMP && PREEMPT
-menu "System type"
+config SYS_SUPPORTS_PM
+ bool
+ depends on !SMP
-choice
- prompt "SuperH system type"
- default SH_UNKNOWN
+config ARCH_SUSPEND_POSSIBLE
+ def_bool n
-config SH_SOLUTION_ENGINE
- bool "SolutionEngine"
- help
- Select SolutionEngine if configuring for a Hitachi SH7709
- or SH7750 evaluation board.
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool n
-config SH_7751_SOLUTION_ENGINE
- bool "SolutionEngine7751"
- select CPU_SUBTYPE_SH7751
- help
- Select 7751 SolutionEngine if configuring for a Hitachi SH7751
- evaluation board.
+config SYS_SUPPORTS_APM_EMULATION
+ bool
+ select ARCH_SUSPEND_POSSIBLE
-config SH_7300_SOLUTION_ENGINE
- bool "SolutionEngine7300"
- select CPU_SUBTYPE_SH7300
- help
- Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V)
- evaluation board.
+config SYS_SUPPORTS_SMP
+ bool
-config SH_73180_SOLUTION_ENGINE
- bool "SolutionEngine73180"
- select CPU_SUBTYPE_SH73180
- help
- Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3)
- evaluation board.
+config SYS_SUPPORTS_NUMA
+ bool
-config SH_7751_SYSTEMH
- bool "SystemH7751R"
- select CPU_SUBTYPE_SH7751R
- help
- Select SystemH if you are configuring for a Renesas SystemH
- 7751R evaluation board.
+config SYS_SUPPORTS_PCI
+ bool
-config SH_STB1_HARP
- bool "STB1_Harp"
+config SYS_SUPPORTS_CMT
+ bool
-config SH_STB1_OVERDRIVE
- bool "STB1_Overdrive"
+config STACKTRACE_SUPPORT
+ def_bool y
-config SH_HP6XX
- bool "HP6XX"
- help
- Select HP6XX if configuring for a HP jornada HP6xx.
- More information (hardware only) at
- <http://www.hp.com/jornada/>.
+config LOCKDEP_SUPPORT
+ def_bool y
-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 HAVE_LATENCYTOP_SUPPORT
+ def_bool y
+ depends on !SMP
-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 ARCH_HAS_ILOG2_U32
+ def_bool n
-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 ARCH_HAS_ILOG2_U64
+ def_bool n
-config SH_SATURN
- bool "Saturn"
- select CPU_SUBTYPE_SH7604
- help
- Select Saturn if configuring for a SEGA Saturn.
+config ARCH_NO_VIRT_TO_BUS
+ def_bool y
-config SH_DREAMCAST
- bool "Dreamcast"
- select CPU_SUBTYPE_SH7091
- 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 ARCH_HAS_DEFAULT_IDLE
+ def_bool y
-config SH_CAT68701
- bool "CAT68701"
+config IO_TRAPPED
+ bool
-config SH_BIGSUR
- bool "BigSur"
+source "init/Kconfig"
-config SH_SH2000
- bool "SH2000"
- select CPU_SUBTYPE_SH7709
- 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>.
+source "kernel/Kconfig.freezer"
-config SH_ADX
- bool "ADX"
+menu "System type"
-config SH_MPC1211
- bool "Interface MPC1211"
- help
- CTP/PCI-SH02 is a CPU module computer that is produced
- by Interface Corporation.
- More information at <http://www.interface.co.jp>
+#
+# Processor families
+#
+config CPU_SH2
+ bool
-config SH_SH03
- bool "Interface CTP/PCI-SH03"
- help
- CTP/PCI-SH03 is a CPU module computer that is produced
- by Interface Corporation.
- More information at <http://www.interface.co.jp>
+config CPU_SH2A
+ bool
+ select CPU_SH2
-config SH_SECUREEDGE5410
- bool "SecureEdge5410"
- select CPU_SUBTYPE_SH7751R
- 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 CPU_SH3
+ bool
+ select CPU_HAS_INTEVT
+ select CPU_HAS_SR_RB
-config SH_HS7751RVOIP
- bool "HS7751RVOIP"
- select CPU_SUBTYPE_SH7751R
- help
- Select HS7751RVOIP if configuring for a Renesas Technology
- Sales VoIP board.
+config CPU_SH4
+ bool
+ select CPU_HAS_INTEVT
+ select CPU_HAS_SR_RB
+ select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
+ select CPU_HAS_FPU if !CPU_SH4AL_DSP
-config SH_RTS7751R2D
- bool "RTS7751R2D"
- select CPU_SUBTYPE_SH7751R
- help
- Select RTS7751R2D if configuring for a Renesas Technology
- Sales SH-Graphics board.
+config CPU_SH4A
+ bool
+ select CPU_SH4
-config SH_R7780RP
- bool "R7780RP-1"
- select CPU_SUBTYPE_SH7780
- help
- Select R7780RP-1 if configuring for a Renesas Solutions
- HIGHLANDER board.
+config CPU_SH4AL_DSP
+ bool
+ select CPU_SH4A
+ select CPU_HAS_DSP
-config SH_EDOSK7705
- bool "EDOSK7705"
- select CPU_SUBTYPE_SH7705
+config CPU_SH5
+ bool
+ select CPU_HAS_FPU
-config SH_SH4202_MICRODEV
- bool "SH4-202 MicroDev"
- select CPU_SUBTYPE_SH4_202
- help
- Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
- with an SH4-202 CPU.
+config CPU_SHX2
+ bool
-config SH_LANDISK
- bool "LANDISK"
- select CPU_SUBTYPE_SH7751R
- help
- I-O DATA DEVICE, INC. "LANDISK Series" support.
+config CPU_SHX3
+ bool
-config SH_TITAN
- bool "TITAN"
- select CPU_SUBTYPE_SH7751R
- help
- Select Titan if you are configuring for a Nimble Microsystems
- NetEngine NP51R.
+config ARCH_SHMOBILE
+ bool
+ select ARCH_SUSPEND_POSSIBLE
-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.
+choice
+ prompt "Processor sub-type selection"
- This option is for the early stages of porting to a new machine.
+#
+# Processor subtypes
+#
-endchoice
+# SH-2 Processor Support
-source "arch/sh/mm/Kconfig"
+config CPU_SUBTYPE_SH7619
+ bool "Support SH7619 processor"
+ select CPU_SH2
+ select SYS_SUPPORTS_CMT
-config MEMORY_START
- hex "Physical memory start address"
- default "0x08000000"
- ---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. Other platforms, such as the Solution Engine
- boards typically map RAM at 0C000000.
-
- Tweak this only when porting to a new machine which does not
- already have a defconfig. 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"
- default "0x00400000"
- 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 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>.
+# SH-2A Processor Support
- 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).
+config CPU_SUBTYPE_SH7201
+ bool "Support SH7201 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+
+config CPU_SUBTYPE_SH7203
+ bool "Support SH7203 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_CMT
- If in doubt, select 'N'.
+config CPU_SUBTYPE_SH7206
+ bool "Support SH7206 processor"
+ select CPU_SH2A
+ select SYS_SUPPORTS_CMT
-choice
- prompt "Compact Flash Connection Area"
- depends on CF_ENABLER
- default CF_AREA6
+config CPU_SUBTYPE_SH7263
+ bool "Support SH7263 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_CMT
-config CF_AREA5
- bool "Area5"
+config CPU_SUBTYPE_MXG
+ bool "Support MX-G processor"
+ select CPU_SH2A
help
- If your board has "Directly Connected" CompactFlash, You should
- select the area where your CF is connected to.
+ Select MX-G if running on an R8A03022BG part.
- - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
- - "Area6" if it is connected to Area 6 (0x18000000)
+# SH-3 Processor Support
- "Area6" will work for most boards. For ADX, select "Area5".
+config CPU_SUBTYPE_SH7705
+ bool "Support SH7705 processor"
+ select CPU_SH3
-config CF_AREA6
- bool "Area6"
+config CPU_SUBTYPE_SH7706
+ bool "Support SH7706 processor"
+ select CPU_SH3
+ help
+ Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
-endchoice
+config CPU_SUBTYPE_SH7707
+ bool "Support SH7707 processor"
+ select CPU_SH3
+ help
+ Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
-config CF_BASE_ADDR
- hex
- depends on CF_ENABLER
- default "0xb8000000" if CF_AREA6
- default "0xb4000000" if CF_AREA5
+config CPU_SUBTYPE_SH7708
+ bool "Support SH7708 processor"
+ select 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.
-menu "Processor features"
+config CPU_SUBTYPE_SH7709
+ bool "Support SH7709 processor"
+ select CPU_SH3
+ help
+ Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
-config CPU_LITTLE_ENDIAN
- bool "Little Endian"
+config CPU_SUBTYPE_SH7710
+ bool "Support SH7710 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
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.
+ Select SH7710 if you have a SH3-DSP SH7710 CPU.
-# 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 && !SH_LANDISK && \
- !SH_R7780RP
- default y
+config CPU_SUBTYPE_SH7712
+ bool "Support SH7712 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
help
- Selecting this option will allow the Linux kernel to emulate
- PC's RTC.
+ Select SH7712 if you have a SH3-DSP SH7712 CPU.
- If unsure, say N.
+config CPU_SUBTYPE_SH7720
+ bool "Support SH7720 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
+ help
+ Select SH7720 if you have a SH3-DSP SH7720 CPU.
-config SH_FPU
- bool "FPU support"
- depends on !CPU_SH3
- default y
+config CPU_SUBTYPE_SH7721
+ bool "Support SH7721 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
help
- Selecting this option will enable support for SH processors that
- have FPU units (ie, SH77xx).
+ Select SH7721 if you have a SH3-DSP SH7721 CPU.
- This option must be set in order to enable the FPU.
+# SH-4 Processor Support
-config SH_DSP
- bool "DSP support"
- depends on !CPU_SH4
- default y
+config CPU_SUBTYPE_SH7750
+ bool "Support SH7750 processor"
+ select CPU_SH4
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.
+ Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
+
+config CPU_SUBTYPE_SH7091
+ bool "Support SH7091 processor"
+ select CPU_SH4
+ help
+ Select SH7091 if you have an SH-4 based Sega device (such as
+ the Dreamcast, Naomi, and Naomi 2).
+
+config CPU_SUBTYPE_SH7750R
+ bool "Support SH7750R processor"
+ select CPU_SH4
+
+config CPU_SUBTYPE_SH7750S
+ bool "Support SH7750S processor"
+ select CPU_SH4
- This option must be set in order to enable the DSP.
-
-config SH_ADC
- bool "ADC support"
- depends on CPU_SH3
- default y
+config CPU_SUBTYPE_SH7751
+ bool "Support SH7751 processor"
+ select CPU_SH4
help
- Selecting this option will allow the Linux kernel to use SH3 on-chip
- ADC module.
+ Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
+ or if you have a HD6417751R CPU.
- If unsure, say N.
+config CPU_SUBTYPE_SH7751R
+ bool "Support SH7751R processor"
+ select CPU_SH4
-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 CPU_SUBTYPE_SH7760
+ bool "Support SH7760 processor"
+ select CPU_SH4
-config CPU_HAS_INTEVT
- bool
+config CPU_SUBTYPE_SH4_202
+ bool "Support SH4-202 processor"
+ select CPU_SH4
-config CPU_HAS_PINT_IRQ
- bool
+# SH-4A Processor Support
-config CPU_HAS_INTC2_IRQ
- bool
+config CPU_SUBTYPE_SH7723
+ bool "Support SH7723 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_CMT
+ help
+ Select SH7723 if you have an SH-MobileR2 CPU.
-config CPU_HAS_SR_RB
- bool "CPU has SR.RB"
- depends on CPU_SH3 || CPU_SH4
- default y
+config CPU_SUBTYPE_SH7763
+ bool "Support SH7763 processor"
+ select CPU_SH4A
help
- This will enable the use of SR.RB register bank usage. Processors
- that are lacking this bit must have another method in place for
- accomplishing what is taken care of by the banked registers.
+ Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
+
+config CPU_SUBTYPE_SH7770
+ bool "Support SH7770 processor"
+ select CPU_SH4A
+
+config CPU_SUBTYPE_SH7780
+ bool "Support SH7780 processor"
+ select CPU_SH4A
+
+config CPU_SUBTYPE_SH7785
+ bool "Support SH7785 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+
+config CPU_SUBTYPE_SH7786
+ bool "Support SH7786 processor"
+ select CPU_SH4A
+ select CPU_SHX3
+ select CPU_HAS_PTEAEX
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+
+config CPU_SUBTYPE_SHX3
+ bool "Support SH-X3 processor"
+ select CPU_SH4A
+ select CPU_SHX3
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select SYS_SUPPORTS_SMP
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+
+# SH4AL-DSP Processor Support
+
+config CPU_SUBTYPE_SH7343
+ bool "Support SH7343 processor"
+ select CPU_SH4AL_DSP
+ select ARCH_SHMOBILE
+ select SYS_SUPPORTS_CMT
+
+config CPU_SUBTYPE_SH7722
+ bool "Support SH7722 processor"
+ select CPU_SH4AL_DSP
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select SYS_SUPPORTS_CMT
+
+config CPU_SUBTYPE_SH7366
+ bool "Support SH7366 processor"
+ select CPU_SH4AL_DSP
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select SYS_SUPPORTS_CMT
+
+# SH-5 Processor Support
+
+config CPU_SUBTYPE_SH5_101
+ bool "Support SH5-101 processor"
+ select CPU_SH5
+
+config CPU_SUBTYPE_SH5_103
+ bool "Support SH5-103 processor"
+ select CPU_SH5
- See <file:Documentation/sh/register-banks.txt> for further
- information on SR.RB and register banking in the kernel in general.
+endchoice
-endmenu
+source "arch/sh/mm/Kconfig"
+
+source "arch/sh/Kconfig.cpu"
+
+source "arch/sh/boards/Kconfig"
-menu "Timer support"
+menu "Timer and clock configuration"
config SH_TMU
bool "TMU timer support"
+ depends on CPU_SH3 || CPU_SH4
default y
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
help
This enables the use of the TMU as the system timer.
-endmenu
+config SH_CMT
+ bool "CMT timer support"
+ depends on SYS_SUPPORTS_CMT && CPU_SH2
+ default y
+ help
+ This enables the use of the CMT as the system timer.
-source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
+#
+# Support for the new-style CMT driver. This will replace SH_CMT
+# once its other dependencies are merged.
+#
+config SH_TIMER_CMT
+ bool "CMT clockevents driver"
+ depends on SYS_SUPPORTS_CMT && !SH_CMT
+ select GENERIC_CLOCKEVENTS
+
+config SH_MTU2
+ bool "MTU2 timer support"
+ depends on CPU_SH2A
+ default y
+ help
+ This enables the use of the MTU2 as the system timer.
-source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
+config SH_TIMER_IRQ
+ int
+ default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
+ CPU_SUBTYPE_SH7763
+ default "86" if CPU_SUBTYPE_SH7619
+ default "140" if CPU_SUBTYPE_SH7206
+ default "142" if CPU_SUBTYPE_SH7203 && SH_CMT
+ default "153" if CPU_SUBTYPE_SH7203 && SH_MTU2
+ default "238" if CPU_SUBTYPE_MXG
+ default "16"
config SH_PCLK_FREQ
int "Peripheral clock frequency (in Hz)"
- default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780
- default "60000000" if CPU_SUBTYPE_SH7751
- default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7760
- default "27000000" if CPU_SUBTYPE_SH73180
+ default "27000000" if CPU_SUBTYPE_SH7343
+ default "31250000" if CPU_SUBTYPE_SH7619
+ default "32000000" if CPU_SUBTYPE_SH7722
+ default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
+ CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
+ CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
+ CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \
+ CPU_SUBTYPE_SH7786
+ default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
default "66000000" if CPU_SUBTYPE_SH4_202
+ default "50000000"
help
This option is used to specify the peripheral clock frequency.
This is necessary for determining the reference clock value on
platforms lacking an RTC.
+config SH_CLK_MD
+ int "CPU Mode Pin Setting"
+ depends on CPU_SH2
+ default 6 if CPU_SUBTYPE_SH7206
+ default 5 if CPU_SUBTYPE_SH7619
+ default 0
+ help
+ MD2 - MD0 pin setting.
+
+source "kernel/time/Kconfig"
+
+endmenu
+
menu "CPU Frequency scaling"
source "drivers/cpufreq/Kconfig"
depends on CPU_FREQ
select CPU_FREQ_TABLE
help
- This adds the cpufreq driver for SuperH. At present, only
- the SH-4 is supported.
+ This adds the cpufreq driver for SuperH. Any CPU that supports
+ clock rate rounding through the clock framework can use this
+ driver. While it will make the kernel slightly larger, this is
+ harmless for CPUs that don't support rate rounding. The driver
+ will also generate a notice in the boot log before disabling
+ itself if the CPU in question is not capable of rate rounding.
For details, take a look at <file:Documentation/cpu-freq>.
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 || SH_LANDISK
- 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.
+source "arch/sh/drivers/Kconfig"
endmenu
-config ISA_DMA_API
- bool
- depends on MPC1211
- default y
-
menu "Kernel features"
+source kernel/Kconfig.hz
+
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on SUPERH32 && EXPERIMENTAL && MMU
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
- but it is indepedent of the system firmware. And like a reboot
+ but it is independent of the system firmware. And like a reboot
you can start any kernel with it, not just Linux.
- The name comes from the similiarity to the exec system call.
+ The name comes from the similarity to the exec system call.
It is an ongoing process to be certain the hardware in a machine
is properly shutdown, so do not be surprised if this code does not
support. As of this writing the exact hardware interface is
strongly in flux, so no good recommendation can be made.
-config PREEMPT
- bool "Preemptible Kernel (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+config CRASH_DUMP
+ bool "kernel crash dumps (EXPERIMENTAL)"
+ depends on SUPERH32 && EXPERIMENTAL
+ help
+ Generate crash dump after being started by kexec.
+ This should be normally only set in special crash dump kernels
+ which are loaded in the main kernel with kexec-tools into
+ a specially reserved region and then later executed after
+ a crash by kdump/kexec. The crash dump kernel must be compiled
+ to a memory address not used by the main kernel using
+ MEMORY_START.
+
+ For more details see Documentation/kdump/kdump.txt
+
+config KEXEC_JUMP
+ bool "kexec jump (EXPERIMENTAL)"
+ depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
+ help
+ Jump between original kernel and kexeced kernel and invoke
+ code via KEXEC
+
+config SECCOMP
+ bool "Enable seccomp to safely compute untrusted bytecode"
+ depends on PROC_FS
+ help
+ This kernel feature is useful for number crunching applications
+ that may need to compute untrusted bytecode during their
+ execution. By using pipes or other transports made available to
+ the process as file descriptors supporting the read/write
+ syscalls, it's possible to isolate those applications in
+ their own address space using seccomp. Once seccomp is
+ enabled via prctl, it cannot be disabled and the task is only
+ allowed to execute a few safe syscalls defined by each seccomp
+ mode.
+
+ If unsure, say N.
config SMP
bool "Symmetric multi-processing support"
+ depends on SYS_SUPPORTS_SMP
+ 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
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>.
+ See also <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.
int "Maximum number of CPUs (2-32)"
range 2 32
depends on SMP
+ default "4" if CPU_SHX3
default "2"
help
This allows you to specify the maximum number of CPUs which this
This is purely to save memory - each supported CPU adds
approximately eight kilobytes to the kernel image.
-config CPU_HAS_SR_RB
- bool "CPU has SR.RB"
- depends on CPU_SH3 || CPU_SH4
- default y
+source "kernel/Kconfig.preempt"
+
+config GUSA
+ def_bool y
+ depends on !SMP && SUPERH32
help
- This will enable the use of SR.RB register bank usage. Processors
- that are lacking this bit must have another method in place for
- accomplishing what is taken care of by the banked registers.
+ This enables support for gUSA (general UserSpace Atomicity).
+ This is the default implementation for both UP and non-ll/sc
+ CPUs, and is used by the libc, amongst others.
- See <file:Documentation/sh/register-banks.txt> for further
- information on SR.RB and register banking in the kernel in general.
+ For additional information, design information can be found
+ in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
+
+ This should only be disabled for special cases where alternate
+ atomicity implementations exist.
+
+config GUSA_RB
+ bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
+ depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
+ help
+ Enabling this option will allow the kernel to implement some
+ atomic operations using a software implementation of load-locked/
+ store-conditional (LLSC). On machines which do not have hardware
+ LLSC, this should be more efficient than the other alternative of
+ disabling interrupts around the atomic sequence.
endmenu
config ZERO_PAGE_OFFSET
hex "Zero page offset"
- default "0x00004000" if SH_MPC1211 || SH_SH03
+ default "0x00004000" if SH_SH03
+ default "0x00010000" if PAGE_SIZE_64KB
+ default "0x00002000" if PAGE_SIZE_8KB
default "0x00001000"
help
This sets the default offset of zero page.
config UBC_WAKEUP
bool "Wakeup UBC on startup"
+ depends on CPU_SH4 && !CPU_SH4A
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
menu "Bus options"
-# 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
- 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 SUPERHYWAY
tristate "SuperHyway Bus support"
depends on CPU_SUBTYPE_SH4_202
+config MAPLE
+ bool "Maple Bus support"
+ depends on SH_DREAMCAST
+ help
+ The Maple Bus is SEGA's serial communication bus for peripherals
+ on the Dreamcast. Without this bus support you won't be able to
+ get your Dreamcast keyboard etc to work, so most users
+ probably want to say 'Y' here, unless you are only using the
+ Dreamcast with a serial line terminal or a remote network
+ connection.
+
source "arch/sh/drivers/pci/Kconfig"
+source "drivers/pci/pcie/Kconfig"
+
source "drivers/pci/Kconfig"
source "drivers/pcmcia/Kconfig"
endmenu
+menu "Power management options (EXPERIMENTAL)"
+depends on EXPERIMENTAL
+
+source "kernel/power/Kconfig"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
source "net/Kconfig"
source "drivers/Kconfig"
source "fs/Kconfig"
-source "arch/sh/oprofile/Kconfig"
-
source "arch/sh/Kconfig.debug"
source "security/Kconfig"
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff