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Diffstat (limited to 'arch/openrisc/Kconfig')
| -rw-r--r-- | arch/openrisc/Kconfig | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig new file mode 100644 index 000000000000..4558bafbd1a2 --- /dev/null +++ b/arch/openrisc/Kconfig @@ -0,0 +1,207 @@ +# +# For a description of the syntax of this configuration file, +# see Documentation/kbuild/config-language.txt. +# + +config OPENRISC + def_bool y + select OF + select OF_EARLY_FLATTREE + select HAVE_MEMBLOCK + select ARCH_WANT_OPTIONAL_GPIOLIB + select HAVE_ARCH_TRACEHOOK + select HAVE_GENERIC_HARDIRQS + select GENERIC_IRQ_CHIP + select GENERIC_IRQ_PROBE + select GENERIC_IRQ_SHOW + select GENERIC_IOMAP + +config MMU + def_bool y + +config WISHBONE_BUS_BIG_ENDIAN + def_bool y + +config SYMBOL_PREFIX + string + default "" + +config HAVE_DMA_ATTRS + def_bool y + +config UID16 + def_bool y + +config RWSEM_GENERIC_SPINLOCK + def_bool y + +config RWSEM_XCHGADD_ALGORITHM + def_bool n + +config GENERIC_HWEIGHT + def_bool y + +config GENERIC_IOMAP + def_bool y + +config NO_IOPORT + def_bool y + +config GENERIC_GPIO + def_bool y + +config GENERIC_CLOCKEVENTS + def_bool y + +config TRACE_IRQFLAGS_SUPPORT + def_bool y + +# For now, use generic checksum functions +#These can be reimplemented in assembly later if so inclined +config GENERIC_CSUM + def_bool y + +config GENERIC_FIND_NEXT_BIT + def_bool y + +source "init/Kconfig" + + +menu "Processor type and features" + +choice + prompt "Subarchitecture" + default OR1K_1200 + +config OR1K_1200 + bool "OR1200" + help + Generic OpenRISC 1200 architecture + +endchoice + +config OPENRISC_BUILTIN_DTB + string "Builtin DTB" + default "" + +menu "Class II Instructions" + +config OPENRISC_HAVE_INST_FF1 + bool "Have instruction l.ff1" + default y + help + Select this if your implementation has the Class II instruction l.ff1 + +config OPENRISC_HAVE_INST_FL1 + bool "Have instruction l.fl1" + default y + help + Select this if your implementation has the Class II instruction l.fl1 + +config OPENRISC_HAVE_INST_MUL + bool "Have instruction l.mul for hardware multiply" + default y + help + Select this if your implementation has a hardware multiply instruction + +config OPENRISC_HAVE_INST_DIV + bool "Have instruction l.div for hardware divide" + default y + help + Select this if your implementation has a hardware divide instruction +endmenu + + +source "kernel/time/Kconfig" +source kernel/Kconfig.hz +source kernel/Kconfig.preempt +source "mm/Kconfig" + +config OPENRISC_NO_SPR_SR_DSX + bool "use SPR_SR_DSX software emulation" if OR1K_1200 + default y + help + SPR_SR_DSX bit is status register bit indicating whether + the last exception has happened in delay slot. + + OpenRISC architecture makes it optional to have it implemented + in hardware and the OR1200 does not have it. + + Say N here if you know that your OpenRISC processor has + SPR_SR_DSX bit implemented. Say Y if you are unsure. + +config CMDLINE + string "Default kernel command string" + default "" + help + On some architectures there is currently no way for the boot loader + to pass arguments to the kernel. For these architectures, you should + supply some command-line options at build time by entering them + here. + +menu "Debugging options" + +config DEBUG_STACKOVERFLOW + bool "Check for kernel stack overflow" + default y + help + Make extra checks for space avaliable on stack in some + critical functions. This will cause kernel to run a bit slower, + but will catch most of kernel stack overruns and exit gracefuly. + + Say Y if you are unsure. + +config JUMP_UPON_UNHANDLED_EXCEPTION + bool "Try to die gracefully" + default y + help + Now this puts kernel into infinite loop after first oops. Till + your kernel crashes this doesn't have any influence. + + Say Y if you are unsure. + +config OPENRISC_EXCEPTION_DEBUG + bool "Print processor state at each exception" + default n + help + This option will make your kernel unusable for all but kernel + debugging. + + Say N if you are unsure. + +config OPENRISC_ESR_EXCEPTION_BUG_CHECK + bool "Check for possible ESR exception bug" + default n + help + This option enables some checks that might expose some problems + in kernel. + + Say N if you are unsure. + +endmenu + +endmenu + +menu "Executable file formats" + +source "fs/Kconfig.binfmt" + +endmenu + +source "net/Kconfig" + +source "drivers/Kconfig" + +source "fs/Kconfig" + +source "security/Kconfig" + +source "crypto/Kconfig" + +source "lib/Kconfig" + +menu "Kernel hacking" + +source "lib/Kconfig.debug" + +endmenu |