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Diffstat (limited to 'arch/sparc64/Kconfig')
| -rw-r--r-- | arch/sparc64/Kconfig | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig new file mode 100644 index 000000000000..3b96e70b4670 --- /dev/null +++ b/arch/sparc64/Kconfig @@ -0,0 +1,433 @@ +# sparc64 configuration +mainmenu "Linux Kernel Configuration for 64-bit SPARC" + +config SPARC + bool + default y + select HAVE_OPROFILE + select HAVE_KPROBES + select HAVE_KRETPROBES + +config SPARC64 + bool + default y + select HAVE_FUNCTION_TRACER + select HAVE_IDE + select HAVE_LMB + select HAVE_ARCH_KGDB + select USE_GENERIC_SMP_HELPERS if SMP + select HAVE_ARCH_TRACEHOOK + select ARCH_WANT_OPTIONAL_GPIOLIB + select RTC_CLASS + select RTC_DRV_M48T59 + select RTC_DRV_CMOS + select RTC_DRV_BQ4802 + select RTC_DRV_SUN4V + select RTC_DRV_STARFIRE + +config GENERIC_TIME + bool + default y + +config GENERIC_CMOS_UPDATE + bool + default y + +config GENERIC_CLOCKEVENTS + bool + default y + +config GENERIC_GPIO + bool + help + Generic GPIO API support + +config 64BIT + def_bool y + +config MMU + bool + default y + +config IOMMU_HELPER + bool + default y + +config QUICKLIST + bool + default y + +config STACKTRACE_SUPPORT + bool + default y + +config LOCKDEP_SUPPORT + bool + default y + +config ARCH_MAY_HAVE_PC_FDC + bool + default y + +config ARCH_HAS_ILOG2_U32 + bool + default n + +config ARCH_HAS_ILOG2_U64 + bool + default n + +config AUDIT_ARCH + bool + default y + +config HAVE_SETUP_PER_CPU_AREA + def_bool y + +config ARCH_NO_VIRT_TO_BUS + def_bool y + +config OF + def_bool y + +config GENERIC_HARDIRQS_NO__DO_IRQ + bool + def_bool y + +source "init/Kconfig" +source "kernel/Kconfig.freezer" + +menu "Processor type and features" + +choice + prompt "Kernel page size" + default SPARC64_PAGE_SIZE_8KB + +config SPARC64_PAGE_SIZE_8KB + bool "8KB" + help + This lets you select the page size of the kernel. + + 8KB and 64KB work quite well, since SPARC ELF sections + provide for up to 64KB alignment. + + If you don't know what to do, choose 8KB. + +config SPARC64_PAGE_SIZE_64KB + bool "64KB" + +endchoice + +config SECCOMP + bool "Enable seccomp to safely compute untrusted bytecode" + depends on PROC_FS + default y + 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 /proc/<pid>/seccomp, it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. + + If unsure, say Y. Only embedded should say N here. + +source kernel/Kconfig.hz + +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SMP + select HOTPLUG + help + Say Y here to experiment with turning CPUs off and on. CPUs + can be controlled through /sys/devices/system/cpu/cpu#. + Say N if you want to disable CPU hotplug. + +config GENERIC_HARDIRQS + bool + default y + +source "kernel/time/Kconfig" + +config SMP + bool "Symmetric multi-processing support" + help + This enables support for systems with more than one CPU. If you have + a system with only one CPU, 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 single-processor machines. + On a single-processor machine, the kernel will run faster if you say + N here. + + If you don't know what to do here, say N. + +config NR_CPUS + int "Maximum number of CPUs (2-1024)" + range 2 1024 + depends on SMP + default "64" + +source "drivers/cpufreq/Kconfig" + +config US3_FREQ + tristate "UltraSPARC-III CPU Frequency driver" + depends on CPU_FREQ + select CPU_FREQ_TABLE + help + This adds the CPUFreq driver for UltraSPARC-III processors. + + For details, take a look at <file:Documentation/cpu-freq>. + + If in doubt, say N. + +config US2E_FREQ + tristate "UltraSPARC-IIe CPU Frequency driver" + depends on CPU_FREQ + select CPU_FREQ_TABLE + help + This adds the CPUFreq driver for UltraSPARC-IIe processors. + + For details, take a look at <file:Documentation/cpu-freq>. + + If in doubt, say N. + +config US3_MC + tristate "UltraSPARC-III Memory Controller driver" + default y + help + This adds a driver for the UltraSPARC-III memory controller. + Loading this driver allows exact mnemonic strings to be + printed in the event of a memory error, so that the faulty DIMM + on the motherboard can be matched to the error. + + If in doubt, say Y, as this information can be very useful. + +# Global things across all Sun machines. +config GENERIC_LOCKBREAK + bool + default y + depends on SMP && PREEMPT + +config RWSEM_GENERIC_SPINLOCK + bool + +config RWSEM_XCHGADD_ALGORITHM + bool + default y + +config GENERIC_FIND_NEXT_BIT + bool + default y + +config GENERIC_HWEIGHT + bool + default y if !ULTRA_HAS_POPULATION_COUNT + +config GENERIC_CALIBRATE_DELAY + bool + default y + +choice + prompt "SPARC64 Huge TLB Page Size" + depends on HUGETLB_PAGE + default HUGETLB_PAGE_SIZE_4MB + +config HUGETLB_PAGE_SIZE_4MB + bool "4MB" + +config HUGETLB_PAGE_SIZE_512K + bool "512K" + +config HUGETLB_PAGE_SIZE_64K + depends on !SPARC64_PAGE_SIZE_64KB + bool "64K" + +endchoice + +endmenu + +config NUMA + bool "NUMA support" + depends on SMP + +config NODES_SHIFT + int + default "4" + depends on NEED_MULTIPLE_NODES + +# Some NUMA nodes have memory ranges that span +# other nodes. Even though a pfn is valid and +# between a node's start and end pfns, it may not +# reside on that node. See memmap_init_zone() +# for details. +config NODES_SPAN_OTHER_NODES + def_bool y + depends on NEED_MULTIPLE_NODES + +config ARCH_POPULATES_NODE_MAP + def_bool y + +config ARCH_SELECT_MEMORY_MODEL + def_bool y + +config ARCH_SPARSEMEM_ENABLE + def_bool y + select SPARSEMEM_VMEMMAP_ENABLE + +config ARCH_SPARSEMEM_DEFAULT + def_bool y + +source "mm/Kconfig" + +config ISA + bool + +config ISAPNP + bool + +config EISA + bool + +config MCA + bool + +config PCMCIA + tristate + help + Say Y here if you want to attach PCMCIA- or PC-cards to your Linux + computer. These are credit-card size devices such as network cards, + modems or hard drives often used with laptops computers. There are + actually two varieties of these cards: the older 16 bit PCMCIA cards + and the newer 32 bit CardBus cards. If you want to use CardBus + cards, you need to say Y here and also to "CardBus support" below. + + To use your PC-cards, you will need supporting software from David + Hinds' pcmcia-cs package (see the file <file:Documentation/Changes> + for location). Please also read the PCMCIA-HOWTO, available from + <http://www.tldp.org/docs.html#howto>. + + To compile this driver as modules, choose M here: the + modules will be called pcmcia_core and ds. + +config SBUS + bool + default y + +config SBUSCHAR + bool + default y + +config SUN_AUXIO + bool + default y + +config SUN_IO + bool + default y + +config SUN_LDOMS + bool "Sun Logical Domains support" + help + Say Y here is you want to support virtual devices via + Logical Domains. + +config PCI + bool "PCI support" + select ARCH_SUPPORTS_MSI + help + Find out whether your system includes a PCI bus. PCI is the name of + a bus system, i.e. the way the CPU talks to the other stuff inside + your box. If you say Y here, the kernel will include drivers and + infrastructure code to support PCI bus devices. + +config PCI_DOMAINS + def_bool PCI + +config PCI_SYSCALL + def_bool PCI + +source "drivers/pci/Kconfig" + +config SUN_OPENPROMFS + tristate "Openprom tree appears in /proc/openprom" + help + If you say Y, the OpenPROM device tree will be available as a + virtual file system, which you can mount to /proc/openprom by "mount + -t openpromfs none /proc/openprom". + + To compile the /proc/openprom support as a module, choose M here: the + module will be called openpromfs. If unsure, choose M. + +menu "Executable file formats" + +source "fs/Kconfig.binfmt" + +config COMPAT + bool + default y + select COMPAT_BINFMT_ELF + +config SYSVIPC_COMPAT + bool + depends on COMPAT && SYSVIPC + default y + +endmenu + +config SCHED_SMT + bool "SMT (Hyperthreading) scheduler support" + depends on SMP + default y + help + SMT scheduler support improves the CPU scheduler's decision making + when dealing with SPARC cpus at a cost of slightly increased overhead + in some places. If unsure say N here. + +config SCHED_MC + bool "Multi-core scheduler support" + depends on SMP + default y + help + Multi-core scheduler support improves the CPU scheduler's decision + making when dealing with multi-core CPU chips at a cost of slightly + increased overhead in some places. If unsure say N here. + +source "kernel/Kconfig.preempt" + +config CMDLINE_BOOL + bool "Default bootloader kernel arguments" + +config CMDLINE + string "Initial kernel command string" + depends on CMDLINE_BOOL + default "console=ttyS0,9600 root=/dev/sda1" + help + Say Y here if you want to be able to pass default arguments to + the kernel. This will be overridden by the bootloader, if you + use one (such as SILO). This is most useful if you want to boot + a kernel from TFTP, and want default options to be available + with having them passed on the command line. + + NOTE: This option WILL override the PROM bootargs setting! + +source "net/Kconfig" + +source "drivers/Kconfig" + +source "drivers/sbus/char/Kconfig" + +source "fs/Kconfig" + +source "arch/sparc64/Kconfig.debug" + +source "security/Kconfig" + +source "crypto/Kconfig" + +source "lib/Kconfig" |