X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fsparc%2FKconfig;h=6f1470baa314e8787213efedb78e0a3f9d6f9e56;hb=cc106eb35ed4abea675bce0d8fe40a46ff0b4a72;hp=237f922520fdc39dca44d8a8dc62a315a359a030;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=safe%2Fjmp%2Flinux-2.6 diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 237f922..6f1470b 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -1,89 +1,167 @@ -# $Id: config.in,v 1.113 2002/01/24 22:14:44 davem Exp $ # For a description of the syntax of this configuration file, # see Documentation/kbuild/kconfig-language.txt. # mainmenu "Linux/SPARC Kernel Configuration" -config MMU +config 64BIT + bool "64-bit kernel" if ARCH = "sparc" + default ARCH = "sparc64" + help + SPARC is a family of RISC microprocessors designed and marketed by + Sun Microsystems, incorporated. They are very widely found in Sun + workstations and clones. + + Say yes to build a 64-bit kernel - formerly known as sparc64 + Say no to build a 32-bit kernel - formerly known as sparc + +config SPARC bool default y + select HAVE_IDE + select HAVE_OPROFILE + select HAVE_ARCH_KGDB if !SMP || SPARC64 + select HAVE_ARCH_TRACEHOOK + select ARCH_WANT_OPTIONAL_GPIOLIB + select RTC_CLASS + select RTC_DRV_M48T59 + select HAVE_PERF_EVENTS + select PERF_USE_VMALLOC + select HAVE_DMA_ATTRS + select HAVE_DMA_API_DEBUG -config UID16 +config SPARC32 + def_bool !64BIT + +config SPARC64 + def_bool 64BIT + select ARCH_SUPPORTS_MSI + select HAVE_FUNCTION_TRACER + select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_GRAPH_FP_TEST + select HAVE_FUNCTION_TRACE_MCOUNT_TEST + select HAVE_KRETPROBES + select HAVE_KPROBES + select HAVE_LMB + select HAVE_SYSCALL_WRAPPERS + select HAVE_DYNAMIC_FTRACE + select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_SYSCALL_TRACEPOINTS + select USE_GENERIC_SMP_HELPERS if SMP + select RTC_DRV_CMOS + select RTC_DRV_BQ4802 + select RTC_DRV_SUN4V + select RTC_DRV_STARFIRE + select HAVE_PERF_EVENTS + select PERF_USE_VMALLOC + +config ARCH_DEFCONFIG + string + default "arch/sparc/configs/sparc32_defconfig" if SPARC32 + default "arch/sparc/configs/sparc64_defconfig" if SPARC64 + +# CONFIG_BITS can be used at source level to get 32/64 bits +config BITS + int + default 32 if SPARC32 + default 64 if SPARC64 + +config GENERIC_TIME + def_bool y + +config ARCH_USES_GETTIMEOFFSET bool - default y + default y if SPARC32 -config HIGHMEM +config GENERIC_CMOS_UPDATE bool default y -config GENERIC_ISA_DMA +config GENERIC_CLOCKEVENTS bool - default y + default y if SPARC64 -source "init/Kconfig" +config IOMMU_HELPER + bool + default y if SPARC64 -menu "General machine setup" +config QUICKLIST + bool + default y if SPARC64 -config VT +config STACKTRACE_SUPPORT bool - select INPUT - default y - ---help--- - If you say Y here, you will get support for terminal devices with - display and keyboard devices. These are called "virtual" because you - can run several virtual terminals (also called virtual consoles) on - one physical terminal. This is rather useful, for example one - virtual terminal can collect system messages and warnings, another - one can be used for a text-mode user session, and a third could run - an X session, all in parallel. Switching between virtual terminals - is done with certain key combinations, usually Alt-. - - The setterm command ("man setterm") can be used to change the - properties (such as colors or beeping) of a virtual terminal. The - man page console_codes(4) ("man console_codes") contains the special - character sequences that can be used to change those properties - directly. The fonts used on virtual terminals can be changed with - the setfont ("man setfont") command and the key bindings are defined - with the loadkeys ("man loadkeys") command. - - You need at least one virtual terminal device in order to make use - of your keyboard and monitor. Therefore, only people configuring an - embedded system would want to say N here in order to save some - memory; the only way to log into such a system is then via a serial - or network connection. - - If unsure, say Y, or else you won't be able to do much with your new - shiny Linux system :-) - -config VT_CONSOLE + default y if SPARC64 + +config LOCKDEP_SUPPORT + bool + default y if SPARC64 + +config HAVE_LATENCYTOP_SUPPORT + bool + default y if SPARC64 + +config AUDIT_ARCH bool default y - ---help--- - The system console is the device which receives all kernel messages - and warnings and which allows logins in single user mode. If you - answer Y here, a virtual terminal (the device used to interact with - a physical terminal) can be used as system console. This is the most - common mode of operations, so you should say Y here unless you want - the kernel messages be output only to a serial port (in which case - you should say Y to "Console on serial port", below). - If you do say Y here, by default the currently visible virtual - terminal (/dev/tty0) will be used as system console. You can change - that with a kernel command line option such as "console=tty3" which - would use the third virtual terminal as system console. (Try "man - bootparam" or see the documentation of your boot loader (lilo or - loadlin) about how to pass options to the kernel at boot time.) +config HAVE_SETUP_PER_CPU_AREA + def_bool y if SPARC64 - If unsure, say Y. +config NEED_PER_CPU_EMBED_FIRST_CHUNK + def_bool y if SPARC64 -config HW_CONSOLE +config NEED_PER_CPU_PAGE_FIRST_CHUNK + def_bool y if SPARC64 + +config GENERIC_HARDIRQS_NO__DO_IRQ + bool + def_bool y if SPARC64 + +config MMU bool default y +config HIGHMEM + bool + default y if SPARC32 + +config ZONE_DMA + bool + default y if SPARC32 + +config NEED_DMA_MAP_STATE + def_bool y + +config NEED_SG_DMA_LENGTH + def_bool y + +config GENERIC_ISA_DMA + bool + default y if SPARC32 + +config GENERIC_GPIO + bool + help + Generic GPIO API support + +config ARCH_NO_VIRT_TO_BUS + def_bool y + +config OF + def_bool y + +config ARCH_SUPPORTS_DEBUG_PAGEALLOC + def_bool y if SPARC64 + +source "init/Kconfig" + +source "kernel/Kconfig.freezer" + +menu "Processor type and features" + config SMP bool "Symmetric multi-processing support (does not work on sun4/sun4c)" - depends on BROKEN ---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 @@ -99,78 +177,274 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the , - and the SMP-HOWTO available at - . + See also and the SMP-HOWTO + available at . If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-32)" - range 2 32 + int "Maximum number of CPUs" depends on SMP - default "32" + range 2 32 if SPARC32 + range 2 1024 if SPARC64 + default 32 if SPARC32 + default 64 if SPARC64 -# Identify this as a Sparc32 build -config SPARC32 +source kernel/Kconfig.hz + +config RWSEM_GENERIC_SPINLOCK + bool + default y if SPARC32 + +config RWSEM_XCHGADD_ALGORITHM + bool + default y if SPARC64 + +config GENERIC_FIND_NEXT_BIT bool default y - help - SPARC is a family of RISC microprocessors designed and marketed by - Sun Microsystems, incorporated. They are very widely found in Sun - workstations and clones. This port covers the original 32-bit SPARC; - it is old and stable and usually considered one of the "big three" - along with the Intel and Alpha ports. The UltraLinux project - maintains both the SPARC32 and SPARC64 ports; its web page is - available at . -# Global things across all Sun machines. -config ISA +config GENERIC_HWEIGHT bool - help - ISA is found on Espresso only and is not supported currently. - Say N + default y if !ULTRA_HAS_POPULATION_COUNT -config EISA +config GENERIC_CALIBRATE_DELAY bool + default y + +config ARCH_MAY_HAVE_PC_FDC + bool + default y + +config EMULATED_CMPXCHG + bool + default y if SPARC32 help - EISA is not supported. - Say N + Sparc32 does not have a CAS instruction like sparc64. cmpxchg() + is emulated, and therefore it is not completely atomic. + +# Makefile helpers +config SPARC32_SMP + bool + default y + depends on SPARC32 && SMP -config MCA +config SPARC64_SMP bool + default y + depends on SPARC64 && SMP + +config EARLYFB + bool "Support for early boot text console" + default y + depends on SPARC64 help - MCA is not supported. - Say N + Say Y here to enable a faster early framebuffer boot console. -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. +choice + prompt "Kernel page size" if SPARC64 + default SPARC64_PAGE_SIZE_8KB - To use your PC-cards, you will need supporting software from David - Hinds' pcmcia-cs package (see the file - for location). Please also read the PCMCIA-HOWTO, available from - . +config SPARC64_PAGE_SIZE_8KB + bool "8KB" + help + This lets you select the page size of the kernel. - To compile this driver as modules, choose M here: the - modules will be called pcmcia_core and ds. + 8KB and 64KB work quite well, since SPARC ELF sections + provide for up to 64KB alignment. -config SBUS + 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 SPARC64 && 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//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. + +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SPARC64 && 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 if SPARC64 + +source "kernel/time/Kconfig" + +if SPARC64 +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 . + + 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 . + + If in doubt, say N. + +endif + +config US3_MC + tristate "UltraSPARC-III Memory Controller driver" + depends on SPARC64 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. -config SBUSCHAR + 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 SPARC64 && SMP && PREEMPT + +choice + prompt "SPARC64 Huge TLB Page Size" + depends on SPARC64 && 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 + +config NUMA + bool "NUMA support" + depends on SPARC64 && 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 if SPARC64 + +config ARCH_SELECT_MEMORY_MODEL + def_bool y if SPARC64 + +config ARCH_SPARSEMEM_ENABLE + def_bool y if SPARC64 + select SPARSEMEM_VMEMMAP_ENABLE + +config ARCH_SPARSEMEM_DEFAULT + def_bool y if SPARC64 + +source "mm/Kconfig" + +config SCHED_SMT + bool "SMT (Hyperthreading) scheduler support" + depends on SPARC64 && 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 SPARC64 && 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. + +if SPARC64 +source "kernel/Kconfig.preempt" +endif + +config CMDLINE_BOOL + bool "Default bootloader kernel arguments" + depends on SPARC64 + +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! + +config SUN_PM + bool + default y if SPARC32 + help + Enable power management and CPU standby features on supported + SPARC platforms. + +config SPARC_LED + tristate "Sun4m LED driver" + depends on SPARC32 + help + This driver toggles the front-panel LED on sun4m systems + in a user-specifiable manner. Its state can be probed + by reading /proc/led and its blinking mode can be changed + via writes to /proc/led config SERIAL_CONSOLE bool + depends on SPARC32 default y ---help--- If you say Y here, it will be possible to use a serial port as the @@ -192,53 +466,56 @@ config SERIAL_CONSOLE If unsure, say N. -config SUN_AUXIO - bool - default y - -config SUN_IO - bool - default y - -config RWSEM_GENERIC_SPINLOCK - bool - default y +config SPARC_LEON + bool "Sparc Leon processor family" + depends on SPARC32 + ---help--- + If you say Y here if you are running on a SPARC-LEON processor. + The LEON processor is a synthesizable VHDL model of the + SPARC-v8 standard. LEON is part of the GRLIB collection of + IP cores that are distributed under GPL. GRLIB can be downloaded + from www.gaisler.com. You can download a sparc-linux cross-compilation + toolchain at www.gaisler.com. -config RWSEM_XCHGADD_ALGORITHM - bool +endmenu -config GENERIC_CALIBRATE_DELAY +menu "Bus options (PCI etc.)" +config SBUS bool default y -config SUN_PM +config SBUSCHAR bool default y - help - Enable power management and CPU standby features on supported - SPARC platforms. -config SUN4 - bool "Support for SUN4 machines (disables SUN4[CDM] support)" - depends on !SMP - default n +config SUN_LDOMS + bool "Sun Logical Domains support" + depends on SPARC64 help - Say Y here if, and only if, your machine is a sun4. Note that - a kernel compiled with this option will run only on sun4. - (And the current version will probably work only on sun4/330.) - -if !SUN4 + Say Y here is you want to support virtual devices via + Logical Domains. config PCI bool "Support for PCI and PS/2 keyboard/mouse" 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 is needed for all JavaStation's (including MrCoffee), CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC. All of these platforms are extremely obscure, so say N if unsure. +config PCI_DOMAINS + def_bool PCI if SPARC64 + +config PCI_SYSCALL + def_bool PCI + source "drivers/pci/Kconfig" -endif +source "drivers/pcmcia/Kconfig" config SUN_OPENPROMFS tristate "Openprom tree appears in /proc/openprom" @@ -253,137 +530,44 @@ config SUN_OPENPROMFS Only choose N if you know in advance that you will not need to modify OpenPROM settings on the running system. -source "fs/Kconfig.binfmt" - -config SUNOS_EMUL - bool "SunOS binary emulation" - help - This allows you to run most SunOS binaries. If you want to do this, - say Y here and place appropriate files in /usr/gnemul/sunos. See - for more information. If you - want to run SunOS binaries on an Ultra you must also say Y to - "Kernel support for 32-bit a.out binaries" above. - -source "drivers/parport/Kconfig" +# Makefile helpers +config SPARC32_PCI + bool + default y + depends on SPARC32 && PCI -config PRINTER - tristate "Parallel printer support" - depends on PARPORT - ---help--- - If you intend to attach a printer to the parallel port of your Linux - box (as opposed to using a serial printer; if the connector at the - printer has 9 or 25 holes ["female"], then it's serial), say Y. - Also read the Printing-HOWTO, available from - . - - It is possible to share one parallel port among several devices - (e.g. printer and ZIP drive) and it is safe to compile the - corresponding drivers into the kernel. If you want to compile this - driver as a module however, choose M here and read - . The module will be called lp. - - If you have several parallel ports, you can specify which ports to - use with the "lp" kernel command line option. (Try "man bootparam" - or see the documentation of your boot loader (silo) about how to pass - options to the kernel at boot time.) The syntax of the "lp" command - line option can be found in . - - If you have more than 8 printers, you need to increase the LP_NO - macro in lp.c and the PARPORT_MAX macro in parport.h. +config SPARC64_PCI + bool + default y + depends on SPARC64 && PCI endmenu -source "drivers/base/Kconfig" - -source "drivers/video/Kconfig" - -source "drivers/mtd/Kconfig" - -source "drivers/serial/Kconfig" - -if !SUN4 -source "drivers/sbus/char/Kconfig" -endif - -source "drivers/block/Kconfig" - -# Don't frighten a common SBus user -if PCI - -source "drivers/ide/Kconfig" - -endif +menu "Executable file formats" -source "drivers/isdn/Kconfig" +source "fs/Kconfig.binfmt" -source "drivers/scsi/Kconfig" +config COMPAT + bool + depends on SPARC64 + default y + select COMPAT_BINFMT_ELF -source "drivers/fc4/Kconfig" +config SYSVIPC_COMPAT + bool + depends on COMPAT && SYSVIPC + default y -source "drivers/md/Kconfig" +endmenu source "net/Kconfig" -# This one must be before the filesystem configs. -DaveM +source "drivers/Kconfig" -menu "Unix98 PTY support" - -config UNIX98_PTYS - bool "Unix98 PTY support" - ---help--- - A pseudo terminal (PTY) is a software device consisting of two - halves: a master and a slave. The slave device behaves identical to - a physical terminal; the master device is used by a process to - read data from and write data to the slave, thereby emulating a - terminal. Typical programs for the master side are telnet servers - and xterms. - - Linux has traditionally used the BSD-like names /dev/ptyxx for - masters and /dev/ttyxx for slaves of pseudo terminals. This scheme - has a number of problems. The GNU C library glibc 2.1 and later, - however, supports the Unix98 naming standard: in order to acquire a - pseudo terminal, a process opens /dev/ptmx; the number of the pseudo - terminal is then made available to the process and the pseudo - terminal slave can be accessed as /dev/pts/. What was - traditionally /dev/ttyp2 will then be /dev/pts/2, for example. - - The entries in /dev/pts/ are created on the fly by a virtual - file system; therefore, if you say Y here you should say Y to - "/dev/pts file system for Unix98 PTYs" as well. - - If you want to say Y here, you need to have the C library glibc 2.1 - or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*"). - Read the instructions in pertaining to - pseudo terminals. It's safe to say N. - -config UNIX98_PTY_COUNT - int "Maximum number of Unix98 PTYs in use (0-2048)" - depends on UNIX98_PTYS - default "256" - help - The maximum number of Unix98 PTYs that can be used at any one time. - The default is 256, and should be enough for desktop systems. Server - machines which support incoming telnet/rlogin/ssh connections and/or - serve several X terminals may want to increase this: every incoming - connection and every xterm uses up one PTY. - - When not in use, each additional set of 256 PTYs occupy - approximately 8 KB of kernel memory on 32-bit architectures. - -endmenu - -source "drivers/input/Kconfig" +source "drivers/sbus/char/Kconfig" source "fs/Kconfig" -source "sound/Kconfig" - -source "drivers/usb/Kconfig" - -source "drivers/infiniband/Kconfig" - -source "drivers/char/watchdog/Kconfig" - source "arch/sparc/Kconfig.debug" source "security/Kconfig"