2 bool "64-bit kernel" if ARCH = "sparc"
3 default ARCH = "sparc64"
5 SPARC is a family of RISC microprocessors designed and marketed by
6 Sun Microsystems, incorporated. They are very widely found in Sun
7 workstations and clones.
9 Say yes to build a 64-bit kernel - formerly known as sparc64
10 Say no to build a 32-bit kernel - formerly known as sparc
19 select HAVE_ARCH_KGDB if !SMP || SPARC64
20 select HAVE_ARCH_TRACEHOOK
21 select SYSCTL_EXCEPTION_TRACE
22 select ARCH_WANT_OPTIONAL_GPIOLIB
23 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
27 select HAVE_DMA_API_DEBUG
28 select HAVE_ARCH_JUMP_LABEL
29 select HAVE_GENERIC_HARDIRQS
30 select GENERIC_IRQ_SHOW
31 select ARCH_WANT_IPC_PARSE_VERSION
32 select USE_GENERIC_SMP_HELPERS if SMP
33 select GENERIC_PCI_IOMAP
34 select HAVE_NMI_WATCHDOG if SPARC64
36 select HAVE_DEBUG_BUGVERBOSE
37 select GENERIC_SMP_IDLE_THREAD
38 select GENERIC_CMOS_UPDATE
39 select GENERIC_CLOCKEVENTS
40 select GENERIC_STRNCPY_FROM_USER
41 select GENERIC_STRNLEN_USER
42 select MODULES_USE_ELF_RELA
43 select ODD_RT_SIGACTION
48 select GENERIC_ATOMIC64
55 select ARCH_SUPPORTS_MSI
56 select HAVE_FUNCTION_TRACER
57 select HAVE_FUNCTION_GRAPH_TRACER
58 select HAVE_FUNCTION_GRAPH_FP_TEST
59 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
60 select HAVE_KRETPROBES
62 select HAVE_RCU_TABLE_FREE if SMP
64 select HAVE_MEMBLOCK_NODE_MAP
65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
66 select HAVE_DYNAMIC_FTRACE
67 select HAVE_FTRACE_MCOUNT_RECORD
68 select HAVE_SYSCALL_TRACEPOINTS
69 select HAVE_DEBUG_KMEMLEAK
73 select RTC_DRV_STARFIRE
74 select HAVE_PERF_EVENTS
75 select PERF_USE_VMALLOC
76 select IRQ_PREFLOW_FASTEOI
77 select ARCH_HAVE_NMI_SAFE_CMPXCHG
78 select HAVE_C_RECORDMCOUNT
83 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
84 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
90 config STACKTRACE_SUPPORT
94 config LOCKDEP_SUPPORT
98 config HAVE_LATENCYTOP_SUPPORT
102 config ARCH_HIBERNATION_POSSIBLE
103 def_bool y if SPARC64
109 config HAVE_SETUP_PER_CPU_AREA
110 def_bool y if SPARC64
112 config NEED_PER_CPU_EMBED_FIRST_CHUNK
113 def_bool y if SPARC64
115 config NEED_PER_CPU_PAGE_FIRST_CHUNK
116 def_bool y if SPARC64
130 config NEED_DMA_MAP_STATE
133 config NEED_SG_DMA_LENGTH
136 config GENERIC_ISA_DMA
143 Generic GPIO API support
145 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
146 def_bool y if SPARC64
148 source "init/Kconfig"
150 source "kernel/Kconfig.freezer"
152 menu "Processor type and features"
155 bool "Symmetric multi-processing support"
157 This enables support for systems with more than one CPU. If you have
158 a system with only one CPU, say N. If you have a system with more
161 If you say N here, the kernel will run on single and multiprocessor
162 machines, but will use only one CPU of a multiprocessor machine. If
163 you say Y here, the kernel will run on many, but not all,
164 singleprocessor machines. On a singleprocessor machine, the kernel
165 will run faster if you say N here.
167 People using multiprocessor machines who say Y here should also say
168 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
169 Management" code will be disabled if you say Y here.
171 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
172 available at <http://www.tldp.org/docs.html#howto>.
174 If you don't know what to do here, say N.
177 int "Maximum number of CPUs"
179 range 2 32 if SPARC32
180 range 2 1024 if SPARC64
181 default 32 if SPARC32
182 default 64 if SPARC64
184 source kernel/Kconfig.hz
186 config RWSEM_GENERIC_SPINLOCK
190 config RWSEM_XCHGADD_ALGORITHM
194 config GENERIC_HWEIGHT
198 config GENERIC_CALIBRATE_DELAY
202 config ARCH_MAY_HAVE_PC_FDC
206 config EMULATED_CMPXCHG
210 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
211 is emulated, and therefore it is not completely atomic.
217 depends on SPARC32 && SMP
222 depends on SPARC64 && SMP
225 bool "Support for early boot text console"
229 Say Y here to enable a faster early framebuffer boot console.
232 bool "Enable seccomp to safely compute untrusted bytecode"
233 depends on SPARC64 && PROC_FS
236 This kernel feature is useful for number crunching applications
237 that may need to compute untrusted bytecode during their
238 execution. By using pipes or other transports made available to
239 the process as file descriptors supporting the read/write
240 syscalls, it's possible to isolate those applications in
241 their own address space using seccomp. Once seccomp is
242 enabled via /proc/<pid>/seccomp, it cannot be disabled
243 and the task is only allowed to execute a few safe syscalls
244 defined by each seccomp mode.
246 If unsure, say Y. Only embedded should say N here.
249 bool "Support for hot-pluggable CPUs"
250 depends on SPARC64 && SMP
253 Say Y here to experiment with turning CPUs off and on. CPUs
254 can be controlled through /sys/devices/system/cpu/cpu#.
255 Say N if you want to disable CPU hotplug.
258 source "drivers/cpufreq/Kconfig"
261 tristate "UltraSPARC-III CPU Frequency driver"
263 select CPU_FREQ_TABLE
265 This adds the CPUFreq driver for UltraSPARC-III processors.
267 For details, take a look at <file:Documentation/cpu-freq>.
272 tristate "UltraSPARC-IIe CPU Frequency driver"
274 select CPU_FREQ_TABLE
276 This adds the CPUFreq driver for UltraSPARC-IIe processors.
278 For details, take a look at <file:Documentation/cpu-freq>.
285 tristate "UltraSPARC-III Memory Controller driver"
289 This adds a driver for the UltraSPARC-III memory controller.
290 Loading this driver allows exact mnemonic strings to be
291 printed in the event of a memory error, so that the faulty DIMM
292 on the motherboard can be matched to the error.
294 If in doubt, say Y, as this information can be very useful.
296 # Global things across all Sun machines.
297 config GENERIC_LOCKBREAK
300 depends on SPARC64 && SMP && PREEMPT
304 depends on SPARC64 && SMP
309 depends on NEED_MULTIPLE_NODES
311 # Some NUMA nodes have memory ranges that span
312 # other nodes. Even though a pfn is valid and
313 # between a node's start and end pfns, it may not
314 # reside on that node. See memmap_init_zone()
316 config NODES_SPAN_OTHER_NODES
318 depends on NEED_MULTIPLE_NODES
320 config ARCH_SELECT_MEMORY_MODEL
321 def_bool y if SPARC64
323 config ARCH_SPARSEMEM_ENABLE
324 def_bool y if SPARC64
325 select SPARSEMEM_VMEMMAP_ENABLE
327 config ARCH_SPARSEMEM_DEFAULT
328 def_bool y if SPARC64
333 source "kernel/power/Kconfig"
337 bool "SMT (Hyperthreading) scheduler support"
338 depends on SPARC64 && SMP
341 SMT scheduler support improves the CPU scheduler's decision making
342 when dealing with SPARC cpus at a cost of slightly increased overhead
343 in some places. If unsure say N here.
346 bool "Multi-core scheduler support"
347 depends on SPARC64 && SMP
350 Multi-core scheduler support improves the CPU scheduler's decision
351 making when dealing with multi-core CPU chips at a cost of slightly
352 increased overhead in some places. If unsure say N here.
354 source "kernel/Kconfig.preempt"
357 bool "Default bootloader kernel arguments"
361 string "Initial kernel command string"
362 depends on CMDLINE_BOOL
363 default "console=ttyS0,9600 root=/dev/sda1"
365 Say Y here if you want to be able to pass default arguments to
366 the kernel. This will be overridden by the bootloader, if you
367 use one (such as SILO). This is most useful if you want to boot
368 a kernel from TFTP, and want default options to be available
369 with having them passed on the command line.
371 NOTE: This option WILL override the PROM bootargs setting!
377 Enable power management and CPU standby features on supported
381 tristate "Sun4m LED driver"
384 This driver toggles the front-panel LED on sun4m systems
385 in a user-specifiable manner. Its state can be probed
386 by reading /proc/led and its blinking mode can be changed
387 via writes to /proc/led
389 config SERIAL_CONSOLE
394 If you say Y here, it will be possible to use a serial port as the
395 system console (the system console is the device which receives all
396 kernel messages and warnings and which allows logins in single user
397 mode). This could be useful if some terminal or printer is connected
400 Even if you say Y here, the currently visible virtual console
401 (/dev/tty0) will still be used as the system console by default, but
402 you can alter that using a kernel command line option such as
403 "console=ttyS1". (Try "man bootparam" or see the documentation of
404 your boot loader (silo) about how to pass options to the kernel at
407 If you don't have a graphics card installed and you say Y here, the
408 kernel will automatically use the first serial line, /dev/ttyS0, as
414 bool "Sparc Leon processor family"
417 If you say Y here if you are running on a SPARC-LEON processor.
418 The LEON processor is a synthesizable VHDL model of the
419 SPARC-v8 standard. LEON is part of the GRLIB collection of
420 IP cores that are distributed under GPL. GRLIB can be downloaded
421 from www.gaisler.com. You can download a sparc-linux cross-compilation
422 toolchain at www.gaisler.com.
425 menu "U-Boot options"
427 config UBOOT_LOAD_ADDR
428 hex "uImage Load Address"
431 U-Boot kernel load address, the address in physical address space
432 where u-boot will place the Linux kernel before booting it.
433 This address is normally the base address of main memory + 0x4000.
435 config UBOOT_FLASH_ADDR
436 hex "uImage.o Load Address"
439 Optional setting only affecting the uImage.o ELF-image used to
440 download the uImage file to the target using a ELF-loader other than
441 U-Boot. It may for example be used to download an uImage to FLASH with
442 the GRMON utility before even starting u-boot.
444 config UBOOT_ENTRY_ADDR
445 hex "uImage Entry Address"
448 Do not change this unless you know what you're doing. This is
449 hardcoded by the SPARC32 and LEON port.
451 This is the virtual address u-boot jumps to when booting the Linux
459 menu "Bus options (PCI etc.)"
469 bool "Sun Logical Domains support"
472 Say Y here is you want to support virtual devices via
476 bool "Support for PCI and PS/2 keyboard/mouse"
478 Find out whether your system includes a PCI bus. PCI is the name of
479 a bus system, i.e. the way the CPU talks to the other stuff inside
480 your box. If you say Y here, the kernel will include drivers and
481 infrastructure code to support PCI bus devices.
483 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
484 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
485 All of these platforms are extremely obscure, so say N if unsure.
488 def_bool PCI if SPARC64
495 depends on PCI && SPARC32 && !SPARC_LEON
500 depends on PCI && SPARC_LEON
504 bool "GRPCI Host Bridge Support"
508 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
509 PCI host controller is typically found in GRLIB SPARC32/LEON
510 systems. The driver has one property (all_pci_errors) controlled
511 from the bootloader that makes the GRPCI to generate interrupts
512 on detected PCI Parity and System errors.
515 bool "GRPCI2 Host Bridge Support"
519 Say Y here to include the GRPCI2 Host Bridge Driver.
521 source "drivers/pci/Kconfig"
523 source "drivers/pcmcia/Kconfig"
525 config SUN_OPENPROMFS
526 tristate "Openprom tree appears in /proc/openprom"
528 If you say Y, the OpenPROM device tree will be available as a
529 virtual file system, which you can mount to /proc/openprom by "mount
530 -t openpromfs none /proc/openprom".
532 To compile the /proc/openprom support as a module, choose M here: the
533 module will be called openpromfs.
535 Only choose N if you know in advance that you will not need to modify
536 OpenPROM settings on the running system.
542 depends on SPARC64 && PCI
546 menu "Executable file formats"
548 source "fs/Kconfig.binfmt"
554 select COMPAT_BINFMT_ELF
556 select ARCH_WANT_OLD_COMPAT_IPC
557 select COMPAT_OLD_SIGACTION
559 config SYSVIPC_COMPAT
561 depends on COMPAT && SYSVIPC
565 def_bool y if COMPAT && KEYS
571 source "drivers/Kconfig"
573 source "drivers/sbus/char/Kconfig"
577 source "arch/sparc/Kconfig.debug"
579 source "security/Kconfig"
581 source "crypto/Kconfig"