config SUPERH
bool
default y
+ select EMBEDDED
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
config GENERIC_IOMAP
bool
+config GENERIC_TIME
+ def_bool n
+
config ARCH_MAY_HAVE_PC_FDC
bool
+config STACKTRACE_SUPPORT
+ bool
+ default y
+
+config LOCKDEP_SUPPORT
+ bool
+ default y
+
+config ARCH_HAS_ILOG2_U32
+ bool
+ default n
+
+config ARCH_HAS_ILOG2_U64
+ bool
+ default n
+
source "init/Kconfig"
menu "System type"
+config SOLUTION_ENGINE
+ bool
+
choice
prompt "SuperH system type"
default SH_UNKNOWN
config SH_SOLUTION_ENGINE
bool "SolutionEngine"
+ select SOLUTION_ENGINE
help
Select SolutionEngine if configuring for a Hitachi SH7709
or SH7750 evaluation board.
config SH_7751_SOLUTION_ENGINE
bool "SolutionEngine7751"
+ select SOLUTION_ENGINE
select CPU_SUBTYPE_SH7751
help
Select 7751 SolutionEngine if configuring for a Hitachi SH7751
config SH_7300_SOLUTION_ENGINE
bool "SolutionEngine7300"
+ select SOLUTION_ENGINE
select CPU_SUBTYPE_SH7300
help
- Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V)
- evaluation board.
+ Select 7300 SolutionEngine if configuring for a Hitachi
+ SH7300(SH-Mobile V) evaluation board.
+
+config SH_7343_SOLUTION_ENGINE
+ bool "SolutionEngine7343"
+ select SOLUTION_ENGINE
+ select CPU_SUBTYPE_SH7343
+ help
+ Select 7343 SolutionEngine if configuring for a Hitachi
+ SH7343 (SH-Mobile 3AS) evaluation board.
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.
+ select SOLUTION_ENGINE
+ select CPU_SUBTYPE_SH73180
+ help
+ Select 73180 SolutionEngine if configuring for a Hitachi
+ SH73180(SH-Mobile 3) evaluation board.
config SH_7751_SYSTEMH
bool "SystemH7751R"
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_HP6XX
bool "HP6XX"
help
More information (hardware only) at
<http://www.hp.com/jornada/>.
-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
<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"
- 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>.
-
-config SH_ADX
- bool "ADX"
-
config SH_MPC1211
bool "Interface MPC1211"
help
Select HS7751RVOIP if configuring for a Renesas Technology
Sales VoIP board.
+config SH_7710VOIPGW
+ bool "SH7710-VOIP-GW"
+ select CPU_SUBTYPE_SH7710
+ help
+ Select this option to build a kernel for the SH7710 based
+ VOIP GW.
+
config SH_RTS7751R2D
bool "RTS7751R2D"
select CPU_SUBTYPE_SH7751R
Select Titan if you are configuring for a Nimble Microsystems
NetEngine NP51R.
+config SH_SHMIN
+ bool "SHMIN"
+ select CPU_SUBTYPE_SH7706
+ help
+ Select SHMIN if configuring for the SHMIN board.
+
+config SH_7206_SOLUTION_ENGINE
+ bool "SolutionEngine7206"
+ select CPU_SUBTYPE_SH7206
+ help
+ Select 7206 SolutionEngine if configuring for a Hitachi SH7206
+ evaluation board.
+
+config SH_7619_SOLUTION_ENGINE
+ bool "SolutionEngine7619"
+ select CPU_SUBTYPE_SH7619
+ help
+ Select 7619 SolutionEngine if configuring for a Hitachi SH7619
+ evaluation board.
+
config SH_UNKNOWN
bool "BareCPU"
help
source "arch/sh/mm/Kconfig"
-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
+ depends on SH_SOLUTION_ENGINE || SH_UNKNOWN || 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
- "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".
+ "Area6" will work for most boards.
config CF_AREA6
bool "Area6"
menu "Processor features"
-config CPU_LITTLE_ENDIAN
- bool "Little Endian"
+choice
+ prompt "Endianess selection"
+ default CPU_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.
+ endian byte order. These modes require different kernels.
-# 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
- help
- Selecting this option will allow the Linux kernel to emulate
- PC's RTC.
+config CPU_LITTLE_ENDIAN
+ bool "Little Endian"
- If unsure, say N.
+config CPU_BIG_ENDIAN
+ bool "Big Endian"
+
+endchoice
config SH_FPU
bool "FPU support"
This option must be set in order to enable the FPU.
+config SH_FPU_EMU
+ bool "FPU emulation support"
+ depends on !SH_FPU && EXPERIMENTAL
+ default n
+ help
+ Selecting this option will enable support for software FPU emulation.
+ Most SH-3 users will want to say Y here, whereas most SH-4 users will
+ want to say N.
+
config SH_DSP
bool "DSP support"
- depends on !CPU_SH4
- default y
+ default y if SH4AL_DSP || !CPU_SH4
+ default n
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.
+ have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
This option must be set in order to enable the DSP.
config CPU_HAS_PINT_IRQ
bool
+config CPU_HAS_MASKREG_IRQ
+ bool
+
config CPU_HAS_INTC2_IRQ
bool
+config CPU_HAS_IPR_IRQ
+ bool
+
config CPU_HAS_SR_RB
bool "CPU has SR.RB"
depends on CPU_SH3 || CPU_SH4
See <file:Documentation/sh/register-banks.txt> for further
information on SR.RB and register banking in the kernel in general.
+config CPU_HAS_PTEA
+ bool
+
endmenu
menu "Timer support"
+depends on !GENERIC_TIME
config SH_TMU
bool "TMU timer support"
+ depends on CPU_SH3 || CPU_SH4
default y
help
This enables the use of the TMU as the system timer.
+config SH_CMT
+ bool "CMT timer support"
+ depends on CPU_SH2
+ default y
+ help
+ This enables the use of the CMT as the system timer.
+
+config SH_MTU2
+ bool "MTU2 timer support"
+ depends on CPU_SH2A
+ default n
+ help
+ This enables the use of the MTU2 as the system timer.
+
endmenu
-#source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
+source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
+
+source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
+
+source "arch/sh/boards/renesas/r7780rp/Kconfig"
+
+config SH_TIMER_IRQ
+ int
+ default "28" if CPU_SUBTYPE_SH7780
+ default "86" if CPU_SUBTYPE_SH7619
+ default "140" if CPU_SUBTYPE_SH7206
+ default "16"
+
+config NO_IDLE_HZ
+ bool "Dynamic tick timer"
+ help
+ Select this option if you want to disable continuous timer ticks
+ and have them programmed to occur as required. This option saves
+ power as the system can remain in idle state for longer.
+
+ By default dynamic tick is disabled during the boot, and can be
+ manually enabled with:
+
+ echo 1 > /sys/devices/system/timer/timer0/dyn_tick
+
+ Alternatively, if you want dynamic tick automatically enabled
+ during boot, pass "dyntick=enable" via the kernel command string.
-#source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
+ Please note that dynamic tick may affect the accuracy of
+ timekeeping on some platforms depending on the implementation.
config SH_PCLK_FREQ
int "Peripheral clock frequency (in Hz)"
+ default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343
+ default "31250000" if CPU_SUBTYPE_SH7619
+ default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \
+ CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
+ CPU_SUBTYPE_SH7206
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 "66000000" if CPU_SUBTYPE_SH4_202
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_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
+ help
+ MD2 - MD0 pin setting.
+
menu "CPU Frequency scaling"
source "drivers/cpufreq/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 || \
+ depends on SH_MPC1211 || SH_SH03 || \
+ SH_BIGSUR || 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
menu "Kernel features"
+source kernel/Kconfig.hz
+
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
depends on EXPERIMENTAL
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 SMP
bool "Symmetric multi-processing support"
---help---
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
- 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.
-
- See <file:Documentation/sh/register-banks.txt> for further
- information on SR.RB and register banking in the kernel in general.
+source "kernel/Kconfig.preempt"
config NODES_SHIFT
int
endmenu
+menu "Power management options (EXPERIMENTAL)"
+depends on EXPERIMENTAL
+
+source kernel/power/Kconfig
+
+config APM
+ bool "Advanced Power Management Emulation"
+ depends on PM
+endmenu
+
source "net/Kconfig"
source "drivers/Kconfig"