diff options
Diffstat (limited to 'arch/sparc/Kconfig')
| -rw-r--r-- | arch/sparc/Kconfig | 578 |
1 files changed, 425 insertions, 153 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index f944b58cdfe..407c87d9879 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -1,9 +1,121 @@ -# $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. -# +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 ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI + select ARCH_MIGHT_HAVE_PC_SERIO + select OF + select OF_PROMTREE + select HAVE_IDE + select HAVE_OPROFILE + select HAVE_ARCH_KGDB if !SMP || SPARC64 + select HAVE_ARCH_TRACEHOOK + select SYSCTL_EXCEPTION_TRACE + select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE + select RTC_CLASS + select RTC_DRV_M48T59 + select HAVE_DMA_ATTRS + select HAVE_DMA_API_DEBUG + select HAVE_ARCH_JUMP_LABEL if SPARC64 + select GENERIC_IRQ_SHOW + select ARCH_WANT_IPC_PARSE_VERSION + select GENERIC_PCI_IOMAP + select HAVE_NMI_WATCHDOG if SPARC64 + select HAVE_BPF_JIT + select HAVE_DEBUG_BUGVERBOSE + select GENERIC_SMP_IDLE_THREAD + select GENERIC_CMOS_UPDATE + select GENERIC_CLOCKEVENTS + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER + select MODULES_USE_ELF_RELA + select ODD_RT_SIGACTION + select OLD_SIGSUSPEND + +config SPARC32 + def_bool !64BIT + select GENERIC_ATOMIC64 + select CLZ_TAB + select HAVE_UID16 + select OLD_SIGACTION + +config SPARC64 + def_bool 64BIT + 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_RCU_TABLE_FREE if SMP + select HAVE_MEMBLOCK + select HAVE_MEMBLOCK_NODE_MAP + select HAVE_ARCH_TRANSPARENT_HUGEPAGE + select HAVE_DYNAMIC_FTRACE + select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_SYSCALL_TRACEPOINTS + select HAVE_CONTEXT_TRACKING + select HAVE_DEBUG_KMEMLEAK + select RTC_DRV_CMOS + select RTC_DRV_BQ4802 + select RTC_DRV_SUN4V + select RTC_DRV_STARFIRE + select HAVE_PERF_EVENTS + select PERF_USE_VMALLOC + select IRQ_PREFLOW_FASTEOI + select ARCH_HAVE_NMI_SAFE_CMPXCHG + select HAVE_C_RECORDMCOUNT + select NO_BOOTMEM + select HAVE_ARCH_AUDITSYSCALL + select ARCH_SUPPORTS_ATOMIC_RMW + +config ARCH_DEFCONFIG + string + default "arch/sparc/configs/sparc32_defconfig" if SPARC32 + default "arch/sparc/configs/sparc64_defconfig" if SPARC64 + +config IOMMU_HELPER + bool + default y if SPARC64 + +config STACKTRACE_SUPPORT + bool + default y if SPARC64 + +config LOCKDEP_SUPPORT + bool + default y if SPARC64 + +config HAVE_LATENCYTOP_SUPPORT + bool + default y if SPARC64 + +config ARCH_HIBERNATION_POSSIBLE + def_bool y if SPARC64 + +config AUDIT_ARCH + bool + default y -mainmenu "Linux/SPARC Kernel Configuration" +config HAVE_SETUP_PER_CPU_AREA + def_bool y if SPARC64 + +config NEED_PER_CPU_EMBED_FIRST_CHUNK + def_bool y if SPARC64 + +config NEED_PER_CPU_PAGE_FIRST_CHUNK + def_bool y if SPARC64 config MMU bool @@ -11,110 +123,245 @@ config MMU config HIGHMEM bool - default y + 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 + default y if SPARC32 + +config ARCH_SUPPORTS_DEBUG_PAGEALLOC + def_bool y if SPARC64 source "init/Kconfig" -menu "General machine setup" +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 + 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 + If you say N here, the kernel will run on uni- and multiprocessor machines, but will use only one CPU of a multiprocessor machine. If you say Y here, the kernel will run on many, but not all, - singleprocessor machines. On a singleprocessor machine, the kernel + uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. People using multiprocessor machines who say Y here should also say Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also the <file:Documentation/smp.txt>, - <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at - <http://www.tldp.org/docs.html#howto>. + See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO + available at <http://www.tldp.org/docs.html#howto>. 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 -config SPARC +source kernel/Kconfig.hz + +config RWSEM_GENERIC_SPINLOCK + bool + default y if SPARC32 + +config RWSEM_XCHGADD_ALGORITHM + bool + default y if SPARC64 + +config GENERIC_HWEIGHT bool default y -# Identify this as a Sparc32 build -config SPARC32 +config GENERIC_CALIBRATE_DELAY 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 <http://www.ultralinux.org/>. -# Global things across all Sun machines. -config ISA +config ARCH_MAY_HAVE_PC_FDC bool - help - ISA is found on Espresso only and is not supported currently. - Say N + default y -config EISA +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. -config MCA +# Makefile helpers +config SPARC32_SMP bool + default y + depends on SPARC32 && SMP + +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. +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/<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. + +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SPARC64 && SMP + 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. - 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>. +if SPARC64 +source "drivers/cpufreq/Kconfig" +endif - To compile this driver as modules, choose M here: the - modules will be called pcmcia_core and ds. +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 SBUS + 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 -config SBUSCHAR - bool +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_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" + +if SPARC64 +source "kernel/power/Kconfig" +endif + +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. + +source "kernel/Kconfig.preempt" + +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 @@ -136,57 +383,119 @@ config SERIAL_CONSOLE If unsure, say N. -config SUN_AUXIO - bool - default y +config SPARC_LEON + bool "Sparc Leon processor family" + depends on SPARC32 + select USB_EHCI_BIG_ENDIAN_MMIO + select USB_EHCI_BIG_ENDIAN_DESC + ---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. + +if SPARC_LEON +menu "U-Boot options" + +config UBOOT_LOAD_ADDR + hex "uImage Load Address" + default 0x40004000 + ---help--- + U-Boot kernel load address, the address in physical address space + where u-boot will place the Linux kernel before booting it. + This address is normally the base address of main memory + 0x4000. -config SUN_IO - bool - default y +config UBOOT_FLASH_ADDR + hex "uImage.o Load Address" + default 0x00080000 + ---help--- + Optional setting only affecting the uImage.o ELF-image used to + download the uImage file to the target using a ELF-loader other than + U-Boot. It may for example be used to download an uImage to FLASH with + the GRMON utility before even starting u-boot. + +config UBOOT_ENTRY_ADDR + hex "uImage Entry Address" + default 0xf0004000 + ---help--- + Do not change this unless you know what you're doing. This is + hardcoded by the SPARC32 and LEON port. -config RWSEM_GENERIC_SPINLOCK - bool - default y + This is the virtual address u-boot jumps to when booting the Linux + Kernel. -config RWSEM_XCHGADD_ALGORITHM - bool +endmenu +endif -config GENERIC_CALIBRATE_DELAY - bool - default y +endmenu -config ARCH_MAY_HAVE_PC_FDC +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 + +config PCIC_PCI + bool + depends on PCI && SPARC32 && !SPARC_LEON + default y + +config LEON_PCI + bool + depends on PCI && SPARC_LEON + default y + +config SPARC_GRPCI1 + bool "GRPCI Host Bridge Support" + depends on LEON_PCI + default y + help + Say Y here to include the GRPCI Host Bridge Driver. The GRPCI + PCI host controller is typically found in GRLIB SPARC32/LEON + systems. The driver has one property (all_pci_errors) controlled + from the bootloader that makes the GRPCI to generate interrupts + on detected PCI Parity and System errors. + +config SPARC_GRPCI2 + bool "GRPCI2 Host Bridge Support" + depends on LEON_PCI + default y + help + Say Y here to include the GRPCI2 Host Bridge Driver. + source "drivers/pci/Kconfig" -endif +source "drivers/pcmcia/Kconfig" config SUN_OPENPROMFS tristate "Openprom tree appears in /proc/openprom" @@ -201,26 +510,39 @@ config SUN_OPENPROMFS Only choose N if you know in advance that you will not need to modify OpenPROM settings on the running system. -config SPARC_LED - tristate "Sun4m LED driver" - help - This driver toggles the front-panel LED on sun4m systems - in a user-specifyable manner. It's state can be probed - by reading /proc/led and it's blinking mode can be changed - via writes to /proc/led +# Makefile helpers +config SPARC64_PCI + bool + default y + depends on SPARC64 && PCI + +config SPARC64_PCI_MSI + bool + default y + depends on SPARC64_PCI && PCI_MSI + +endmenu + +menu "Executable file formats" 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 - <http://www.ultralinux.org/faq.html> 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. +config COMPAT + bool + depends on SPARC64 + default y + select COMPAT_BINFMT_ELF + select HAVE_UID16 + select ARCH_WANT_OLD_COMPAT_IPC + select COMPAT_OLD_SIGACTION -source "mm/Kconfig" +config SYSVIPC_COMPAT + bool + depends on COMPAT && SYSVIPC + default y + +config KEYS_COMPAT + def_bool y if COMPAT && KEYS endmenu @@ -228,57 +550,7 @@ source "net/Kconfig" source "drivers/Kconfig" -if !SUN4 source "drivers/sbus/char/Kconfig" -endif - -# This one must be before the filesystem configs. -DaveM - -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/<number>. 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 <file:Documentation/Changes> 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 "fs/Kconfig" |