diff options
Diffstat (limited to 'arch/csky/Kconfig')
| -rw-r--r-- | arch/csky/Kconfig | 120 |
1 files changed, 98 insertions, 22 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index 047427f71d83..d3ac36751ad1 100644 --- a/arch/csky/Kconfig +++ b/arch/csky/Kconfig @@ -2,11 +2,43 @@ config CSKY def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_DMA_PREP_COHERENT + select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_USE_BUILTIN_BSWAP - select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2 + select ARCH_USE_QUEUED_RWLOCKS + select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_HAS_CURRENT_STACK_POINTER + select ARCH_INLINE_READ_LOCK if !PREEMPTION + select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION + select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPTION + select ARCH_INLINE_READ_LOCK_IRQSAVE if !PREEMPTION + select ARCH_INLINE_READ_UNLOCK if !PREEMPTION + select ARCH_INLINE_READ_UNLOCK_BH if !PREEMPTION + select ARCH_INLINE_READ_UNLOCK_IRQ if !PREEMPTION + select ARCH_INLINE_READ_UNLOCK_IRQRESTORE if !PREEMPTION + select ARCH_INLINE_WRITE_LOCK if !PREEMPTION + select ARCH_INLINE_WRITE_LOCK_BH if !PREEMPTION + select ARCH_INLINE_WRITE_LOCK_IRQ if !PREEMPTION + select ARCH_INLINE_WRITE_LOCK_IRQSAVE if !PREEMPTION + select ARCH_INLINE_WRITE_UNLOCK if !PREEMPTION + select ARCH_INLINE_WRITE_UNLOCK_BH if !PREEMPTION + select ARCH_INLINE_WRITE_UNLOCK_IRQ if !PREEMPTION + select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE if !PREEMPTION + select ARCH_INLINE_SPIN_TRYLOCK if !PREEMPTION + select ARCH_INLINE_SPIN_TRYLOCK_BH if !PREEMPTION + select ARCH_INLINE_SPIN_LOCK if !PREEMPTION + select ARCH_INLINE_SPIN_LOCK_BH if !PREEMPTION + select ARCH_INLINE_SPIN_LOCK_IRQ if !PREEMPTION + select ARCH_INLINE_SPIN_LOCK_IRQSAVE if !PREEMPTION + select ARCH_INLINE_SPIN_UNLOCK if !PREEMPTION + select ARCH_INLINE_SPIN_UNLOCK_BH if !PREEMPTION + select ARCH_INLINE_SPIN_UNLOCK_IRQ if !PREEMPTION + select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE if !PREEMPTION + select ARCH_WANT_FRAME_POINTERS if !CPU_CK610 && $(cc-option,-mbacktrace) + select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select COMMON_CLK select CLKSRC_MMIO select CSKY_MPINTC if CPU_CK860 @@ -14,7 +46,6 @@ config CSKY select CSKY_APB_INTC select DMA_DIRECT_REMAP select IRQ_DOMAIN - select HANDLE_DOMAIN_IRQ select DW_APB_TIMER_OF select GENERIC_IOREMAP select GENERIC_LIB_ASHLDI3 @@ -25,7 +56,6 @@ config CSKY select GENERIC_LIB_UCMPDI2 select GENERIC_ALLOCATOR select GENERIC_ATOMIC64 - select GENERIC_CLOCKEVENTS select GENERIC_CPU_DEVICES select GENERIC_IRQ_CHIP select GENERIC_IRQ_PROBE @@ -33,23 +63,43 @@ config CSKY select GENERIC_IRQ_MULTI_HANDLER select GENERIC_SCHED_CLOCK select GENERIC_SMP_IDLE_THREAD + select GENERIC_TIME_VSYSCALL + select GENERIC_VDSO_32 + select GENERIC_GETTIMEOFDAY select GX6605S_TIMER if CPU_CK610 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_AUDITSYSCALL - select HAVE_COPY_THREAD_TLS + select HAVE_ARCH_JUMP_LABEL if !CPU_CK610 + select HAVE_ARCH_JUMP_LABEL_RELATIVE + select HAVE_ARCH_MMAP_RND_BITS + select HAVE_ARCH_SECCOMP_FILTER + select HAVE_CONTEXT_TRACKING_USER + select HAVE_VIRT_CPU_ACCOUNTING_GEN + select HAVE_DEBUG_BUGVERBOSE + select HAVE_DEBUG_KMEMLEAK select HAVE_DYNAMIC_FTRACE + select HAVE_DYNAMIC_FTRACE_WITH_REGS + select HAVE_GENERIC_VDSO select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_ERROR_INJECTION select HAVE_FTRACE_MCOUNT_RECORD select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZO select HAVE_KERNEL_LZMA + select HAVE_KPROBES if !CPU_CK610 + select HAVE_KPROBES_ON_FTRACE if !CPU_CK610 + select HAVE_KRETPROBES if !CPU_CK610 + select HAVE_PAGE_SIZE_4KB select HAVE_PERF_EVENTS select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP select HAVE_DMA_CONTIGUOUS + select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_STACKPROTECTOR select HAVE_SYSCALL_TRACEPOINTS + select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU + select LOCK_MM_AND_FIND_VMA select MAY_HAVE_SPARSE_IRQ select MODULES_USE_ELF_RELA if MODULES select OF @@ -57,13 +107,18 @@ config CSKY select PERF_USE_VMALLOC if CPU_CK610 select RTC_LIB select TIMER_OF - select USB_ARCH_HAS_EHCI - select USB_ARCH_HAS_OHCI select GENERIC_PCI_IOMAP select HAVE_PCI select PCI_DOMAINS_GENERIC if PCI select PCI_SYSCALL if PCI select PCI_MSI if PCI + select TRACE_IRQFLAGS_SUPPORT + +config LOCKDEP_SUPPORT + def_bool y + +config ARCH_SUPPORTS_UPROBES + def_bool y if !CPU_CK610 config CPU_HAS_CACHEV2 bool @@ -115,14 +170,6 @@ config STACKTRACE_SUPPORT config TIME_LOW_RES def_bool y -config TRACE_IRQFLAGS_SUPPORT - def_bool y - -config CPU_TLB_SIZE - int - default "128" if (CPU_CK610 || CPU_CK807 || CPU_CK810) - default "1024" if (CPU_CK860) - config CPU_ASID_BITS int default "8" if (CPU_CK610 || CPU_CK807 || CPU_CK810) @@ -134,6 +181,14 @@ config L1_CACHE_SHIFT default "5" if (CPU_CK807 || CPU_CK810) default "6" if (CPU_CK860) +config ARCH_MMAP_RND_BITS_MIN + default 8 + +# max bits determined by the following formula: +# VA_BITS - PAGE_SHIFT - 3 +config ARCH_MMAP_RND_BITS_MAX + default 17 + menu "Processor type and features" choice @@ -164,6 +219,22 @@ config CPU_CK860 endchoice choice + prompt "PAGE OFFSET" + default PAGE_OFFSET_80000000 + +config PAGE_OFFSET_80000000 + bool "PAGE OFFSET 2G (user:kernel = 2:2)" + +config PAGE_OFFSET_A0000000 + bool "PAGE OFFSET 2.5G (user:kernel = 2.5:1.5)" +endchoice + +config PAGE_OFFSET + hex + default 0x80000000 if PAGE_OFFSET_80000000 + default 0xa0000000 if PAGE_OFFSET_A0000000 +choice + prompt "C-SKY PMU type" depends on PERF_EVENTS depends on CPU_CK807 || CPU_CK810 || CPU_CK860 @@ -195,9 +266,9 @@ endchoice menuconfig HAVE_TCM bool "Tightly-Coupled/Sram Memory" - select GENERIC_ALLOCATOR + depends on !COMPILE_TEST help - The implementation are not only used by TCM (Tightly-Coupled Meory) + The implementation are not only used by TCM (Tightly-Coupled Memory) but also used by sram on SOC bus. It follow existed linux tcm software interface, so that old tcm application codes could be re-used directly. @@ -252,18 +323,15 @@ config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 depends on SMP - default "2" + default "4" config HIGHMEM bool "High Memory Support" depends on !CPU_CK610 + select KMAP_LOCAL default y -config FORCE_MAX_ZONEORDER - int "Maximum zone order" - default "11" - -config RAM_BASE +config DRAM_BASE hex "DRAM start addr (the same with memory-section in dts)" default 0x0 @@ -276,6 +344,14 @@ config HOTPLUG_CPU controlled through /sys/devices/system/cpu/cpu1/hotplug/target. Say N if you want to disable CPU hotplug. + +config HAVE_EFFICIENT_UNALIGNED_STRING_OPS + bool "Enable EFFICIENT_UNALIGNED_STRING_OPS for abiv2" + depends on CPU_CK807 || CPU_CK810 || CPU_CK860 + help + Say Y here to enable EFFICIENT_UNALIGNED_STRING_OPS. Some CPU models could + deal with unaligned access by hardware. + endmenu source "arch/csky/Kconfig.platforms" |