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linux_dsm_epyc7002/arch/sh/Kconfig
Linus Torvalds 45e36c1666 Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits)
  sh: sh7785lcr: Map whole PCI address space.
  sh: Fix up DSP context save/restore.
  sh: Fix up number of on-chip DMA channels on SH7091.
  sh: update defconfigs.
  sh: Kill off broken direct-mapped cache mode.
  sh: Wire up ARCH_HAS_DEFAULT_IDLE for cpuidle.
  sh: Add a command line option for disabling I/O trapping.
  sh: Select ARCH_HIBERNATION_POSSIBLE.
  sh: migor: Fix up CEU use flags.
  input: migor_ts: add wakeup support
  rtc: rtc-sh: use set_irq_wake()
  input: sh_keysc: use enable/disable_irq_wake()
  sh: intc: set_irq_wake() support
  sh: intc: install enable, disable and shutdown callbacks
  clocksource: sh_cmt: use remove_irq() and remove clockevent workaround
  sh: ap325 and Migo-R use new sh_mobile_ceu_info flags
  sh: Fix up -Wformat-security whining.
  sh: ap325rxa: Add ov772x support, again.
  sh: Sanitize asm/mmu.h for assembly use.
  sh: Tidy up sh7786 pinmux table.
  ...
2009-04-05 11:15:54 -07:00

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#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
#
mainmenu "Linux/SuperH Kernel Configuration"
config SUPERH
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
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
def_bool y
config GENERIC_HARDIRQS_NO__DO_IRQ
def_bool y
config GENERIC_IRQ_PROBE
def_bool y
config GENERIC_GPIO
def_bool n
config GENERIC_CALIBRATE_DELAY
bool
config GENERIC_IOMAP
bool
config GENERIC_TIME
def_bool n
config GENERIC_CLOCKEVENTS
def_bool n
config GENERIC_CLOCKEVENTS_BROADCAST
bool
config GENERIC_LOCKBREAK
def_bool y
depends on SMP && PREEMPT
config SYS_SUPPORTS_PM
bool
depends on !SMP
config ARCH_SUSPEND_POSSIBLE
def_bool n
config ARCH_HIBERNATION_POSSIBLE
def_bool n
config SYS_SUPPORTS_APM_EMULATION
bool
select ARCH_SUSPEND_POSSIBLE
config SYS_SUPPORTS_SMP
bool
config SYS_SUPPORTS_NUMA
bool
config SYS_SUPPORTS_PCI
bool
config SYS_SUPPORTS_CMT
bool
config STACKTRACE_SUPPORT
def_bool y
config LOCKDEP_SUPPORT
def_bool y
config HAVE_LATENCYTOP_SUPPORT
def_bool y
depends on !SMP
config ARCH_HAS_ILOG2_U32
def_bool n
config ARCH_HAS_ILOG2_U64
def_bool n
config ARCH_NO_VIRT_TO_BUS
def_bool y
config ARCH_HAS_DEFAULT_IDLE
def_bool y
config IO_TRAPPED
bool
source "init/Kconfig"
source "kernel/Kconfig.freezer"
menu "System type"
#
# Processor families
#
config CPU_SH2
bool
config CPU_SH2A
bool
select CPU_SH2
config CPU_SH3
bool
select CPU_HAS_INTEVT
select CPU_HAS_SR_RB
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 CPU_SH4A
bool
select CPU_SH4
config CPU_SH4AL_DSP
bool
select CPU_SH4A
select CPU_HAS_DSP
config CPU_SH5
bool
select CPU_HAS_FPU
config CPU_SHX2
bool
config CPU_SHX3
bool
config ARCH_SHMOBILE
bool
select ARCH_SUSPEND_POSSIBLE
choice
prompt "Processor sub-type selection"
#
# Processor subtypes
#
# SH-2 Processor Support
config CPU_SUBTYPE_SH7619
bool "Support SH7619 processor"
select CPU_SH2
select SYS_SUPPORTS_CMT
# SH-2A Processor Support
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
config CPU_SUBTYPE_SH7206
bool "Support SH7206 processor"
select CPU_SH2A
select SYS_SUPPORTS_CMT
config CPU_SUBTYPE_SH7263
bool "Support SH7263 processor"
select CPU_SH2A
select CPU_HAS_FPU
select SYS_SUPPORTS_CMT
config CPU_SUBTYPE_MXG
bool "Support MX-G processor"
select CPU_SH2A
help
Select MX-G if running on an R8A03022BG part.
# SH-3 Processor Support
config CPU_SUBTYPE_SH7705
bool "Support SH7705 processor"
select CPU_SH3
config CPU_SUBTYPE_SH7706
bool "Support SH7706 processor"
select CPU_SH3
help
Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
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 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.
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_SUBTYPE_SH7710
bool "Support SH7710 processor"
select CPU_SH3
select CPU_HAS_DSP
help
Select SH7710 if you have a SH3-DSP SH7710 CPU.
config CPU_SUBTYPE_SH7712
bool "Support SH7712 processor"
select CPU_SH3
select CPU_HAS_DSP
help
Select SH7712 if you have a SH3-DSP SH7712 CPU.
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 CPU_SUBTYPE_SH7721
bool "Support SH7721 processor"
select CPU_SH3
select CPU_HAS_DSP
help
Select SH7721 if you have a SH3-DSP SH7721 CPU.
# SH-4 Processor Support
config CPU_SUBTYPE_SH7750
bool "Support SH7750 processor"
select CPU_SH4
help
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
config CPU_SUBTYPE_SH7751
bool "Support SH7751 processor"
select 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_SH7751R
bool "Support SH7751R processor"
select CPU_SH4
config CPU_SUBTYPE_SH7760
bool "Support SH7760 processor"
select CPU_SH4
config CPU_SUBTYPE_SH4_202
bool "Support SH4-202 processor"
select CPU_SH4
# SH-4A Processor Support
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_SUBTYPE_SH7763
bool "Support SH7763 processor"
select CPU_SH4A
help
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
endchoice
source "arch/sh/mm/Kconfig"
source "arch/sh/Kconfig.cpu"
source "arch/sh/boards/Kconfig"
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.
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.
#
# 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.
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 "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"
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. 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>.
If unsure, say N.
endmenu
source "arch/sh/drivers/Kconfig"
endmenu
menu "Kernel features"
source kernel/Kconfig.hz
config KEXEC
bool "kexec system call (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 independent of the system firmware. And like a reboot
you can start any kernel with it, not just Linux.
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
initially work for you. It may help to enable device hotplugging
support. As of this writing the exact hardware interface is
strongly in flux, so no good recommendation can be made.
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
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 <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 "4" if CPU_SHX3
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.
source "kernel/Kconfig.preempt"
config GUSA
def_bool y
depends on !SMP && SUPERH32
help
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.
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
menu "Boot options"
config ZERO_PAGE_OFFSET
hex "Zero page offset"
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 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 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
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 CMDLINE_BOOL
bool "Default bootloader kernel arguments"
config CMDLINE
string "Initial kernel command string"
depends on CMDLINE_BOOL
default "console=ttySC1,115200"
endmenu
menu "Bus options"
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"
source "drivers/pci/hotplug/Kconfig"
endmenu
menu "Executable file formats"
source "fs/Kconfig.binfmt"
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/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
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