1 # SPDX-License-Identifier: GPL-2.0 !! 1 config 64BIT
2 # Hexagon configuration !! 2 bool "64-bit kernel" if ARCH = "sparc"
3 comment "Linux Kernel Configuration for Hexago !! 3 default ARCH = "sparc64"
4 !! 4 help
5 config HEXAGON !! 5 SPARC is a family of RISC microprocessors designed and marketed by
6 def_bool y !! 6 Sun Microsystems, incorporated. They are very widely found in Sun
7 select ARCH_32BIT_OFF_T !! 7 workstations and clones.
8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 8
9 select ARCH_NO_PREEMPT !! 9 Say yes to build a 64-bit kernel - formerly known as sparc64
10 select ARCH_WANT_FRAME_POINTERS !! 10 Say no to build a 32-bit kernel - formerly known as sparc
11 select DMA_GLOBAL_POOL !! 11
12 select HAVE_PAGE_SIZE_4KB !! 12 config SPARC
13 select HAVE_PAGE_SIZE_16KB !! 13 bool
14 select HAVE_PAGE_SIZE_64KB !! 14 default y
15 select HAVE_PAGE_SIZE_256KB !! 15 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
16 select FRAME_POINTER !! 16 select ARCH_MIGHT_HAVE_PC_SERIO
17 # Other pending projects/to-do items. !! 17 select OF
18 # select HAVE_REGS_AND_STACK_ACCESS_AP !! 18 select OF_PROMTREE
19 # select HAVE_HW_BREAKPOINT if PERF_EV !! 19 select HAVE_IDE
20 # select ARCH_HAS_CPU_IDLE_WAIT !! 20 select HAVE_OPROFILE
21 # select GPIOLIB !! 21 select HAVE_ARCH_KGDB if !SMP || SPARC64
22 # select HAVE_CLK <<
23 # select GENERIC_PENDING_IRQ if SMP <<
24 select GENERIC_ATOMIC64 <<
25 select HAVE_PERF_EVENTS <<
26 # GENERIC_ALLOCATOR is used by dma_all <<
27 select GENERIC_ALLOCATOR <<
28 select GENERIC_IRQ_PROBE <<
29 select GENERIC_IRQ_SHOW <<
30 select HAVE_ARCH_KGDB <<
31 select HAVE_ARCH_TRACEHOOK 22 select HAVE_ARCH_TRACEHOOK
32 select NEED_SG_DMA_LENGTH !! 23 select HAVE_EXIT_THREAD
33 select NO_IOPORT_MAP !! 24 select SYSCTL_EXCEPTION_TRACE
34 select GENERIC_IOMAP !! 25 select RTC_CLASS
35 select GENERIC_IOREMAP !! 26 select RTC_DRV_M48T59
>> 27 select RTC_SYSTOHC
>> 28 select HAVE_DMA_API_DEBUG
>> 29 select HAVE_ARCH_JUMP_LABEL if SPARC64
>> 30 select GENERIC_IRQ_SHOW
>> 31 select ARCH_WANT_IPC_PARSE_VERSION
>> 32 select GENERIC_PCI_IOMAP
>> 33 select HAVE_NMI_WATCHDOG if SPARC64
>> 34 select HAVE_CBPF_JIT if SPARC32
>> 35 select HAVE_EBPF_JIT if SPARC64
>> 36 select HAVE_DEBUG_BUGVERBOSE
36 select GENERIC_SMP_IDLE_THREAD 37 select GENERIC_SMP_IDLE_THREAD
37 select STACKTRACE_SUPPORT !! 38 select GENERIC_CLOCKEVENTS
38 select GENERIC_CLOCKEVENTS_BROADCAST !! 39 select GENERIC_STRNCPY_FROM_USER
39 select LOCK_MM_AND_FIND_VMA !! 40 select GENERIC_STRNLEN_USER
40 select MODULES_USE_ELF_RELA 41 select MODULES_USE_ELF_RELA
41 select GENERIC_CPU_DEVICES !! 42 select ODD_RT_SIGACTION
42 select ARCH_WANT_LD_ORPHAN_WARN !! 43 select OLD_SIGSUSPEND
43 select TRACE_IRQFLAGS_SUPPORT !! 44 select ARCH_HAS_SG_CHAIN
44 help !! 45 select CPU_NO_EFFICIENT_FFS
45 Qualcomm Hexagon is a processor arch !! 46 select LOCKDEP_SMALL if LOCKDEP
46 performance and low power across a w <<
47 47
48 config HEXAGON_PHYS_OFFSET !! 48 config SPARC32
49 def_bool y !! 49 def_bool !64BIT
50 help !! 50 select GENERIC_ATOMIC64
51 Platforms that don't load the kernel !! 51 select CLZ_TAB
>> 52 select HAVE_UID16
>> 53 select OLD_SIGACTION
>> 54
>> 55 config SPARC64
>> 56 def_bool 64BIT
>> 57 select HAVE_FUNCTION_TRACER
>> 58 select HAVE_FUNCTION_GRAPH_TRACER
>> 59 select HAVE_KRETPROBES
>> 60 select HAVE_KPROBES
>> 61 select HAVE_RCU_TABLE_FREE if SMP
>> 62 select HAVE_MEMBLOCK
>> 63 select HAVE_MEMBLOCK_NODE_MAP
>> 64 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 65 select HAVE_DYNAMIC_FTRACE
>> 66 select HAVE_FTRACE_MCOUNT_RECORD
>> 67 select HAVE_SYSCALL_TRACEPOINTS
>> 68 select HAVE_CONTEXT_TRACKING
>> 69 select HAVE_DEBUG_KMEMLEAK
>> 70 select SPARSE_IRQ
>> 71 select RTC_DRV_CMOS
>> 72 select RTC_DRV_BQ4802
>> 73 select RTC_DRV_SUN4V
>> 74 select RTC_DRV_STARFIRE
>> 75 select HAVE_PERF_EVENTS
>> 76 select PERF_USE_VMALLOC
>> 77 select IRQ_PREFLOW_FASTEOI
>> 78 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 79 select HAVE_C_RECORDMCOUNT
>> 80 select NO_BOOTMEM
>> 81 select HAVE_ARCH_AUDITSYSCALL
>> 82 select ARCH_SUPPORTS_ATOMIC_RMW
>> 83 select HAVE_NMI
>> 84 select HAVE_REGS_AND_STACK_ACCESS_API
>> 85 select ARCH_USE_QUEUED_RWLOCKS
>> 86 select ARCH_USE_QUEUED_SPINLOCKS
>> 87 select GENERIC_TIME_VSYSCALL
>> 88 select ARCH_CLOCKSOURCE_DATA
>> 89
>> 90 config ARCH_DEFCONFIG
>> 91 string
>> 92 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 93 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
52 94
53 config LOCKDEP_SUPPORT !! 95 config ARCH_PROC_KCORE_TEXT
54 def_bool y 96 def_bool y
55 97
56 config EARLY_PRINTK !! 98 config CPU_BIG_ENDIAN
57 def_bool y 99 def_bool y
58 100
>> 101 config ARCH_ATU
>> 102 bool
>> 103 default y if SPARC64
>> 104
>> 105 config ARCH_DMA_ADDR_T_64BIT
>> 106 bool
>> 107 default y if ARCH_ATU
>> 108
>> 109 config IOMMU_HELPER
>> 110 bool
>> 111 default y if SPARC64
>> 112
>> 113 config STACKTRACE_SUPPORT
>> 114 bool
>> 115 default y if SPARC64
>> 116
>> 117 config LOCKDEP_SUPPORT
>> 118 bool
>> 119 default y if SPARC64
>> 120
>> 121 config ARCH_HIBERNATION_POSSIBLE
>> 122 def_bool y if SPARC64
>> 123
>> 124 config AUDIT_ARCH
>> 125 bool
>> 126 default y
>> 127
>> 128 config HAVE_SETUP_PER_CPU_AREA
>> 129 def_bool y if SPARC64
>> 130
>> 131 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 132 def_bool y if SPARC64
>> 133
>> 134 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 135 def_bool y if SPARC64
>> 136
59 config MMU 137 config MMU
>> 138 bool
>> 139 default y
>> 140
>> 141 config HIGHMEM
>> 142 bool
>> 143 default y if SPARC32
>> 144
>> 145 config ZONE_DMA
>> 146 bool
>> 147 default y if SPARC32
>> 148
>> 149 config NEED_DMA_MAP_STATE
60 def_bool y 150 def_bool y
61 151
62 config GENERIC_CSUM !! 152 config NEED_SG_DMA_LENGTH
63 def_bool y 153 def_bool y
64 154
>> 155 config GENERIC_ISA_DMA
>> 156 bool
>> 157 default y if SPARC32
>> 158
>> 159 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 160 def_bool y if SPARC64
>> 161
>> 162 config PGTABLE_LEVELS
>> 163 default 4 if 64BIT
>> 164 default 3
>> 165
>> 166 config ARCH_SUPPORTS_UPROBES
>> 167 def_bool y if SPARC64
>> 168
>> 169 source "init/Kconfig"
>> 170
>> 171 source "kernel/Kconfig.freezer"
>> 172
>> 173 menu "Processor type and features"
>> 174
>> 175 config SMP
>> 176 bool "Symmetric multi-processing support"
>> 177 ---help---
>> 178 This enables support for systems with more than one CPU. If you have
>> 179 a system with only one CPU, say N. If you have a system with more
>> 180 than one CPU, say Y.
>> 181
>> 182 If you say N here, the kernel will run on uni- and multiprocessor
>> 183 machines, but will use only one CPU of a multiprocessor machine. If
>> 184 you say Y here, the kernel will run on many, but not all,
>> 185 uniprocessor machines. On a uniprocessor machine, the kernel
>> 186 will run faster if you say N here.
>> 187
>> 188 People using multiprocessor machines who say Y here should also say
>> 189 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 190 Management" code will be disabled if you say Y here.
>> 191
>> 192 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
>> 193 available at <http://www.tldp.org/docs.html#howto>.
>> 194
>> 195 If you don't know what to do here, say N.
>> 196
>> 197 config NR_CPUS
>> 198 int "Maximum number of CPUs"
>> 199 depends on SMP
>> 200 range 2 32 if SPARC32
>> 201 range 2 4096 if SPARC64
>> 202 default 32 if SPARC32
>> 203 default 4096 if SPARC64
>> 204
>> 205 source kernel/Kconfig.hz
>> 206
>> 207 config RWSEM_GENERIC_SPINLOCK
>> 208 bool
>> 209 default y if SPARC32
>> 210
>> 211 config RWSEM_XCHGADD_ALGORITHM
>> 212 bool
>> 213 default y if SPARC64
>> 214
65 config GENERIC_HWEIGHT 215 config GENERIC_HWEIGHT
66 def_bool y !! 216 bool
>> 217 default y
67 218
68 config STACKTRACE_SUPPORT !! 219 config GENERIC_CALIBRATE_DELAY
69 def_bool y !! 220 bool
70 select STACKTRACE !! 221 default y
>> 222
>> 223 config ARCH_MAY_HAVE_PC_FDC
>> 224 bool
>> 225 default y
>> 226
>> 227 config EMULATED_CMPXCHG
>> 228 bool
>> 229 default y if SPARC32
>> 230 help
>> 231 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 232 is emulated, and therefore it is not completely atomic.
>> 233
>> 234 # Makefile helpers
>> 235 config SPARC32_SMP
>> 236 bool
>> 237 default y
>> 238 depends on SPARC32 && SMP
>> 239
>> 240 config SPARC64_SMP
>> 241 bool
>> 242 default y
>> 243 depends on SPARC64 && SMP
>> 244
>> 245 config EARLYFB
>> 246 bool "Support for early boot text console"
>> 247 default y
>> 248 depends on SPARC64
>> 249 help
>> 250 Say Y here to enable a faster early framebuffer boot console.
>> 251
>> 252 config SECCOMP
>> 253 bool "Enable seccomp to safely compute untrusted bytecode"
>> 254 depends on SPARC64 && PROC_FS
>> 255 default y
>> 256 help
>> 257 This kernel feature is useful for number crunching applications
>> 258 that may need to compute untrusted bytecode during their
>> 259 execution. By using pipes or other transports made available to
>> 260 the process as file descriptors supporting the read/write
>> 261 syscalls, it's possible to isolate those applications in
>> 262 their own address space using seccomp. Once seccomp is
>> 263 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 264 and the task is only allowed to execute a few safe syscalls
>> 265 defined by each seccomp mode.
>> 266
>> 267 If unsure, say Y. Only embedded should say N here.
>> 268
>> 269 config HOTPLUG_CPU
>> 270 bool "Support for hot-pluggable CPUs"
>> 271 depends on SPARC64 && SMP
>> 272 help
>> 273 Say Y here to experiment with turning CPUs off and on. CPUs
>> 274 can be controlled through /sys/devices/system/cpu/cpu#.
>> 275 Say N if you want to disable CPU hotplug.
>> 276
>> 277 if SPARC64
>> 278 source "drivers/cpufreq/Kconfig"
>> 279 endif
>> 280
>> 281 config US3_MC
>> 282 tristate "UltraSPARC-III Memory Controller driver"
>> 283 depends on SPARC64
>> 284 default y
>> 285 help
>> 286 This adds a driver for the UltraSPARC-III memory controller.
>> 287 Loading this driver allows exact mnemonic strings to be
>> 288 printed in the event of a memory error, so that the faulty DIMM
>> 289 on the motherboard can be matched to the error.
>> 290
>> 291 If in doubt, say Y, as this information can be very useful.
>> 292
>> 293 # Global things across all Sun machines.
>> 294 config GENERIC_LOCKBREAK
>> 295 bool
>> 296 default y
>> 297 depends on SPARC64 && SMP && PREEMPT
>> 298
>> 299 config NUMA
>> 300 bool "NUMA support"
>> 301 depends on SPARC64 && SMP
>> 302
>> 303 config NODES_SHIFT
>> 304 int "Maximum NUMA Nodes (as a power of 2)"
>> 305 range 4 5 if SPARC64
>> 306 default "5"
>> 307 depends on NEED_MULTIPLE_NODES
>> 308 help
>> 309 Specify the maximum number of NUMA Nodes available on the target
>> 310 system. Increases memory reserved to accommodate various tables.
71 311
72 config GENERIC_BUG !! 312 # Some NUMA nodes have memory ranges that span
>> 313 # other nodes. Even though a pfn is valid and
>> 314 # between a node's start and end pfns, it may not
>> 315 # reside on that node. See memmap_init_zone()
>> 316 # for details.
>> 317 config NODES_SPAN_OTHER_NODES
73 def_bool y 318 def_bool y
74 depends on BUG !! 319 depends on NEED_MULTIPLE_NODES
>> 320
>> 321 config ARCH_SELECT_MEMORY_MODEL
>> 322 def_bool y if SPARC64
75 323
76 menu "Machine selection" !! 324 config ARCH_SPARSEMEM_ENABLE
>> 325 def_bool y if SPARC64
>> 326 select SPARSEMEM_VMEMMAP_ENABLE
77 327
78 choice !! 328 config ARCH_SPARSEMEM_DEFAULT
79 prompt "System type" !! 329 def_bool y if SPARC64
80 default HEXAGON_COMET <<
81 330
82 config HEXAGON_COMET !! 331 config FORCE_MAX_ZONEORDER
83 bool "Comet Board" !! 332 int "Maximum zone order"
>> 333 default "13"
84 help 334 help
85 Support for the Comet platform. !! 335 The kernel memory allocator divides physically contiguous memory
>> 336 blocks into "zones", where each zone is a power of two number of
>> 337 pages. This option selects the largest power of two that the kernel
>> 338 keeps in the memory allocator. If you need to allocate very large
>> 339 blocks of physically contiguous memory, then you may need to
>> 340 increase this value.
>> 341
>> 342 This config option is actually maximum order plus one. For example,
>> 343 a value of 13 means that the largest free memory block is 2^12 pages.
>> 344
>> 345 source "mm/Kconfig"
>> 346
>> 347 if SPARC64
>> 348 source "kernel/power/Kconfig"
>> 349 endif
>> 350
>> 351 config SCHED_SMT
>> 352 bool "SMT (Hyperthreading) scheduler support"
>> 353 depends on SPARC64 && SMP
>> 354 default y
>> 355 help
>> 356 SMT scheduler support improves the CPU scheduler's decision making
>> 357 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 358 in some places. If unsure say N here.
>> 359
>> 360 config SCHED_MC
>> 361 bool "Multi-core scheduler support"
>> 362 depends on SPARC64 && SMP
>> 363 default y
>> 364 help
>> 365 Multi-core scheduler support improves the CPU scheduler's decision
>> 366 making when dealing with multi-core CPU chips at a cost of slightly
>> 367 increased overhead in some places. If unsure say N here.
>> 368
>> 369 source "kernel/Kconfig.preempt"
>> 370
>> 371 config CMDLINE_BOOL
>> 372 bool "Default bootloader kernel arguments"
>> 373 depends on SPARC64
>> 374
>> 375 config CMDLINE
>> 376 string "Initial kernel command string"
>> 377 depends on CMDLINE_BOOL
>> 378 default "console=ttyS0,9600 root=/dev/sda1"
>> 379 help
>> 380 Say Y here if you want to be able to pass default arguments to
>> 381 the kernel. This will be overridden by the bootloader, if you
>> 382 use one (such as SILO). This is most useful if you want to boot
>> 383 a kernel from TFTP, and want default options to be available
>> 384 with having them passed on the command line.
>> 385
>> 386 NOTE: This option WILL override the PROM bootargs setting!
>> 387
>> 388 config SUN_PM
>> 389 bool
>> 390 default y if SPARC32
>> 391 help
>> 392 Enable power management and CPU standby features on supported
>> 393 SPARC platforms.
86 394
87 endchoice !! 395 config SPARC_LED
>> 396 tristate "Sun4m LED driver"
>> 397 depends on SPARC32
>> 398 help
>> 399 This driver toggles the front-panel LED on sun4m systems
>> 400 in a user-specifiable manner. Its state can be probed
>> 401 by reading /proc/led and its blinking mode can be changed
>> 402 via writes to /proc/led
>> 403
>> 404 config SERIAL_CONSOLE
>> 405 bool
>> 406 depends on SPARC32
>> 407 default y
>> 408 ---help---
>> 409 If you say Y here, it will be possible to use a serial port as the
>> 410 system console (the system console is the device which receives all
>> 411 kernel messages and warnings and which allows logins in single user
>> 412 mode). This could be useful if some terminal or printer is connected
>> 413 to that serial port.
>> 414
>> 415 Even if you say Y here, the currently visible virtual console
>> 416 (/dev/tty0) will still be used as the system console by default, but
>> 417 you can alter that using a kernel command line option such as
>> 418 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 419 your boot loader (silo) about how to pass options to the kernel at
>> 420 boot time.)
>> 421
>> 422 If you don't have a graphics card installed and you say Y here, the
>> 423 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 424 system console.
>> 425
>> 426 If unsure, say N.
>> 427
>> 428 config SPARC_LEON
>> 429 bool "Sparc Leon processor family"
>> 430 depends on SPARC32
>> 431 select USB_EHCI_BIG_ENDIAN_MMIO
>> 432 select USB_EHCI_BIG_ENDIAN_DESC
>> 433 select USB_UHCI_BIG_ENDIAN_MMIO
>> 434 select USB_UHCI_BIG_ENDIAN_DESC
>> 435 ---help---
>> 436 If you say Y here if you are running on a SPARC-LEON processor.
>> 437 The LEON processor is a synthesizable VHDL model of the
>> 438 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 439 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 440 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 441 toolchain at www.gaisler.com.
>> 442
>> 443 if SPARC_LEON
>> 444 menu "U-Boot options"
>> 445
>> 446 config UBOOT_LOAD_ADDR
>> 447 hex "uImage Load Address"
>> 448 default 0x40004000
>> 449 ---help---
>> 450 U-Boot kernel load address, the address in physical address space
>> 451 where u-boot will place the Linux kernel before booting it.
>> 452 This address is normally the base address of main memory + 0x4000.
>> 453
>> 454 config UBOOT_FLASH_ADDR
>> 455 hex "uImage.o Load Address"
>> 456 default 0x00080000
>> 457 ---help---
>> 458 Optional setting only affecting the uImage.o ELF-image used to
>> 459 download the uImage file to the target using a ELF-loader other than
>> 460 U-Boot. It may for example be used to download an uImage to FLASH with
>> 461 the GRMON utility before even starting u-boot.
>> 462
>> 463 config UBOOT_ENTRY_ADDR
>> 464 hex "uImage Entry Address"
>> 465 default 0xf0004000
>> 466 ---help---
>> 467 Do not change this unless you know what you're doing. This is
>> 468 hardcoded by the SPARC32 and LEON port.
88 469
89 config HEXAGON_ARCH_VERSION !! 470 This is the virtual address u-boot jumps to when booting the Linux
90 int "Architecture version" !! 471 Kernel.
91 default 2 <<
92 472
93 config CMDLINE !! 473 endmenu
94 string "Default kernel command string" !! 474 endif
95 default "" !! 475
>> 476 endmenu
>> 477
>> 478 menu "Bus options (PCI etc.)"
>> 479 config SBUS
>> 480 bool
>> 481 default y
>> 482
>> 483 config SBUSCHAR
>> 484 bool
>> 485 default y
>> 486
>> 487 config SUN_LDOMS
>> 488 bool "Sun Logical Domains support"
>> 489 depends on SPARC64
96 help 490 help
97 On some platforms, there is currentl !! 491 Say Y here is you want to support virtual devices via
98 to pass arguments to the kernel. For !! 492 Logical Domains.
99 command-line options at build time b <<
100 minimum, you should specify the memo <<
101 (e.g., mem=64M root=/dev/nfs). <<
102 493
103 config SMP !! 494 config PCI
104 bool "Multi-Processing support" !! 495 bool "Support for PCI and PS/2 keyboard/mouse"
>> 496 help
>> 497 Find out whether your system includes a PCI bus. PCI is the name of
>> 498 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 499 your box. If you say Y here, the kernel will include drivers and
>> 500 infrastructure code to support PCI bus devices.
>> 501
>> 502 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 503 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 504 All of these platforms are extremely obscure, so say N if unsure.
>> 505
>> 506 config PCI_DOMAINS
>> 507 def_bool PCI if SPARC64
>> 508
>> 509 config PCI_SYSCALL
>> 510 def_bool PCI
>> 511
>> 512 config PCIC_PCI
>> 513 bool
>> 514 depends on PCI && SPARC32 && !SPARC_LEON
>> 515 default y
>> 516
>> 517 config LEON_PCI
>> 518 bool
>> 519 depends on PCI && SPARC_LEON
>> 520 default y
>> 521
>> 522 config SPARC_GRPCI1
>> 523 bool "GRPCI Host Bridge Support"
>> 524 depends on LEON_PCI
>> 525 default y
>> 526 help
>> 527 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
>> 528 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 529 systems. The driver has one property (all_pci_errors) controlled
>> 530 from the bootloader that makes the GRPCI to generate interrupts
>> 531 on detected PCI Parity and System errors.
>> 532
>> 533 config SPARC_GRPCI2
>> 534 bool "GRPCI2 Host Bridge Support"
>> 535 depends on LEON_PCI
>> 536 default y
105 help 537 help
106 Enables SMP support in the kernel. !! 538 Say Y here to include the GRPCI2 Host Bridge Driver.
107 539
108 config NR_CPUS !! 540 source "drivers/pci/Kconfig"
109 int "Maximum number of CPUs" if SMP !! 541
110 range 2 6 if SMP !! 542 source "drivers/pcmcia/Kconfig"
111 default "1" if !SMP !! 543
112 default "6" if SMP !! 544 config SUN_OPENPROMFS
113 help !! 545 tristate "Openprom tree appears in /proc/openprom"
114 This allows you to specify the maxim !! 546 help
115 kernel will support. The maximum su !! 547 If you say Y, the OpenPROM device tree will be available as a
116 minimum value which makes sense is 2 !! 548 virtual file system, which you can mount to /proc/openprom by "mount
>> 549 -t openpromfs none /proc/openprom".
>> 550
>> 551 To compile the /proc/openprom support as a module, choose M here: the
>> 552 module will be called openpromfs.
>> 553
>> 554 Only choose N if you know in advance that you will not need to modify
>> 555 OpenPROM settings on the running system.
>> 556
>> 557 # Makefile helpers
>> 558 config SPARC64_PCI
>> 559 bool
>> 560 default y
>> 561 depends on SPARC64 && PCI
>> 562
>> 563 config SPARC64_PCI_MSI
>> 564 bool
>> 565 default y
>> 566 depends on SPARC64_PCI && PCI_MSI
>> 567
>> 568 endmenu
>> 569
>> 570 menu "Executable file formats"
117 571
118 This is purely to save memory - each !! 572 source "fs/Kconfig.binfmt"
119 approximately eight kilobytes to the <<
120 573
121 source "kernel/Kconfig.hz" !! 574 config COMPAT
>> 575 bool
>> 576 depends on SPARC64
>> 577 default y
>> 578 select COMPAT_BINFMT_ELF
>> 579 select HAVE_UID16
>> 580 select ARCH_WANT_OLD_COMPAT_IPC
>> 581 select COMPAT_OLD_SIGACTION
>> 582
>> 583 config SYSVIPC_COMPAT
>> 584 bool
>> 585 depends on COMPAT && SYSVIPC
>> 586 default y
122 587
123 endmenu 588 endmenu
>> 589
>> 590 source "net/Kconfig"
>> 591
>> 592 source "drivers/Kconfig"
>> 593
>> 594 source "drivers/sbus/char/Kconfig"
>> 595
>> 596 source "fs/Kconfig"
>> 597
>> 598 source "arch/sparc/Kconfig.debug"
>> 599
>> 600 source "security/Kconfig"
>> 601
>> 602 source "crypto/Kconfig"
>> 603
>> 604 source "lib/Kconfig"
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