diff options
Diffstat (limited to 'arch/openrisc/Kconfig')
| -rw-r--r-- | arch/openrisc/Kconfig | 89 |
1 files changed, 79 insertions, 10 deletions
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index 1928e061ff96..b38fee299bc4 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -7,36 +7,43 @@ config OPENRISC def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_DMA_SET_UNCACHED + select ARCH_HAS_DMA_CLEAR_UNCACHED select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select GENERIC_BUILTIN_DTB + select COMMON_CLK select OF select OF_EARLY_FLATTREE select IRQ_DOMAIN - select HANDLE_DOMAIN_IRQ select GPIOLIB select HAVE_ARCH_TRACEHOOK select SPARSE_IRQ select GENERIC_IRQ_CHIP select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW - select GENERIC_IOMAP + select GENERIC_PCI_IOMAP + select GENERIC_IOREMAP select GENERIC_CPU_DEVICES + select HAVE_PCI select HAVE_UID16 + select HAVE_PAGE_SIZE_8KB + select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_RSEQ select GENERIC_ATOMIC64 - select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS_BROADCAST - select GENERIC_STRNCPY_FROM_USER - select GENERIC_STRNLEN_USER select GENERIC_SMP_IDLE_THREAD select MODULES_USE_ELF_RELA select HAVE_DEBUG_STACKOVERFLOW select OR1K_PIC select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1 - select ARCH_USE_QUEUED_SPINLOCKS select ARCH_USE_QUEUED_RWLOCKS select OMPIC if SMP + select PCI_DOMAINS_GENERIC if PCI + select PCI_MSI if PCI select ARCH_WANT_FRAME_POINTERS select GENERIC_IRQ_MULTI_HANDLER select MMU_GATHER_NO_RANGE if MMU + select TRACE_IRQFLAGS_SUPPORT config CPU_BIG_ENDIAN def_bool y @@ -50,9 +57,6 @@ config GENERIC_HWEIGHT config NO_IOPORT_MAP 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 @@ -64,6 +68,9 @@ config STACKTRACE_SUPPORT config LOCKDEP_SUPPORT def_bool y +config FIX_EARLYCON_MEM + def_bool y + menu "Processor type and features" choice @@ -88,7 +95,7 @@ config DCACHE_WRITETHROUGH If unsure say N here -config OPENRISC_BUILTIN_DTB +config BUILTIN_DTB_NAME string "Builtin DTB" default "" @@ -117,6 +124,59 @@ config OPENRISC_HAVE_INST_DIV default y help Select this if your implementation has a hardware divide instruction + +config OPENRISC_HAVE_INST_CMOV + bool "Have instruction l.cmov for conditional move" + default n + help + This config enables gcc to generate l.cmov instructions when compiling + the kernel which in general will improve performance and reduce the + binary size. + + Select this if your implementation has support for the Class II + l.cmov conistional move instruction. + + Say N if you are unsure. + +config OPENRISC_HAVE_INST_ROR + bool "Have instruction l.ror for rotate right" + default n + help + This config enables gcc to generate l.ror instructions when compiling + the kernel which in general will improve performance and reduce the + binary size. + + Select this if your implementation has support for the Class II + l.ror rotate right instruction. + + Say N if you are unsure. + +config OPENRISC_HAVE_INST_RORI + bool "Have instruction l.rori for rotate right with immediate" + default n + help + This config enables gcc to generate l.rori instructions when compiling + the kernel which in general will improve performance and reduce the + binary size. + + Select this if your implementation has support for the Class II + l.rori rotate right with immediate instruction. + + Say N if you are unsure. + +config OPENRISC_HAVE_INST_SEXT + bool "Have instructions l.ext* for sign extension" + default n + help + This config enables gcc to generate l.ext* instructions when compiling + the kernel which in general will improve performance and reduce the + binary size. + + Select this if your implementation has support for the Class II + l.exths, l.extbs, l.exthz and l.extbz size extend instructions. + + Say N if you are unsure. + endmenu config NR_CPUS @@ -134,6 +194,15 @@ config SMP If you don't know what to do here, say N. +config FPU + bool "FPU support" + default y + help + Say N here if you want to disable all floating-point related procedures + in the kernel and reduce binary size. + + If you don't know what to do here, say Y. + source "kernel/Kconfig.hz" config OPENRISC_NO_SPR_SR_DSX |