1 # SPDX-License-Identifier: GPL-2.0 !! 1 config 64BIT
2 # !! 2 bool "64-bit kernel" if "$(ARCH)" = "sparc"
3 # For a description of the syntax of this conf !! 3 default "$(ARCH)" = "sparc64"
4 # see Documentation/kbuild/kconfig-language.rs !! 4 help
5 # !! 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.
6 8
7 config OPENRISC !! 9 Say yes to build a 64-bit kernel - formerly known as sparc64
8 def_bool y !! 10 Say no to build a 32-bit kernel - formerly known as sparc
9 select ARCH_32BIT_OFF_T !! 11
10 select ARCH_HAS_DMA_SET_UNCACHED !! 12 config SPARC
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 13 bool
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 14 default y
13 select COMMON_CLK !! 15 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
>> 16 select ARCH_MIGHT_HAVE_PC_SERIO
14 select OF 17 select OF
15 select OF_EARLY_FLATTREE !! 18 select OF_PROMTREE
16 select IRQ_DOMAIN !! 19 select HAVE_IDE
17 select GPIOLIB !! 20 select HAVE_OPROFILE
>> 21 select HAVE_ARCH_KGDB if !SMP || SPARC64
18 select HAVE_ARCH_TRACEHOOK 22 select HAVE_ARCH_TRACEHOOK
19 select SPARSE_IRQ !! 23 select HAVE_EXIT_THREAD
20 select GENERIC_IRQ_CHIP !! 24 select SYSCTL_EXCEPTION_TRACE
21 select GENERIC_IRQ_PROBE !! 25 select RTC_CLASS
>> 26 select RTC_DRV_M48T59
>> 27 select RTC_SYSTOHC
>> 28 select HAVE_ARCH_JUMP_LABEL if SPARC64
22 select GENERIC_IRQ_SHOW 29 select GENERIC_IRQ_SHOW
>> 30 select ARCH_WANT_IPC_PARSE_VERSION
23 select GENERIC_PCI_IOMAP 31 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 32 select HAVE_NMI_WATCHDOG if SPARC64
25 select GENERIC_CPU_DEVICES !! 33 select HAVE_CBPF_JIT if SPARC32
26 select HAVE_PCI !! 34 select HAVE_EBPF_JIT if SPARC64
27 select HAVE_UID16 !! 35 select HAVE_DEBUG_BUGVERBOSE
28 select HAVE_PAGE_SIZE_8KB <<
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 36 select GENERIC_SMP_IDLE_THREAD
>> 37 select GENERIC_CLOCKEVENTS
>> 38 select GENERIC_STRNCPY_FROM_USER
>> 39 select GENERIC_STRNLEN_USER
32 select MODULES_USE_ELF_RELA 40 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 41 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 42 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 43 select ARCH_HAS_SG_CHAIN
36 select ARCH_USE_QUEUED_RWLOCKS !! 44 select CPU_NO_EFFICIENT_FFS
37 select OMPIC if SMP !! 45 select LOCKDEP_SMALL if LOCKDEP
38 select PCI_DOMAINS_GENERIC if PCI !! 46 select NEED_DMA_MAP_STATE
39 select PCI_MSI if PCI !! 47 select NEED_SG_DMA_LENGTH
40 select ARCH_WANT_FRAME_POINTERS !! 48 select HAVE_MEMBLOCK
41 select GENERIC_IRQ_MULTI_HANDLER !! 49 select NO_BOOTMEM
42 select MMU_GATHER_NO_RANGE if MMU !! 50
43 select TRACE_IRQFLAGS_SUPPORT !! 51 config SPARC32
44 !! 52 def_bool !64BIT
45 config CPU_BIG_ENDIAN !! 53 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
46 def_bool y !! 54 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 55 select DMA_NONCOHERENT_OPS
>> 56 select GENERIC_ATOMIC64
>> 57 select CLZ_TAB
>> 58 select HAVE_UID16
>> 59 select OLD_SIGACTION
47 60
48 config MMU !! 61 config SPARC64
49 def_bool y !! 62 def_bool 64BIT
>> 63 select HAVE_FUNCTION_TRACER
>> 64 select HAVE_FUNCTION_GRAPH_TRACER
>> 65 select HAVE_KRETPROBES
>> 66 select HAVE_KPROBES
>> 67 select HAVE_RCU_TABLE_FREE if SMP
>> 68 select HAVE_MEMBLOCK_NODE_MAP
>> 69 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 70 select HAVE_DYNAMIC_FTRACE
>> 71 select HAVE_FTRACE_MCOUNT_RECORD
>> 72 select HAVE_SYSCALL_TRACEPOINTS
>> 73 select HAVE_CONTEXT_TRACKING
>> 74 select HAVE_DEBUG_KMEMLEAK
>> 75 select IOMMU_HELPER
>> 76 select SPARSE_IRQ
>> 77 select RTC_DRV_CMOS
>> 78 select RTC_DRV_BQ4802
>> 79 select RTC_DRV_SUN4V
>> 80 select RTC_DRV_STARFIRE
>> 81 select HAVE_PERF_EVENTS
>> 82 select PERF_USE_VMALLOC
>> 83 select IRQ_PREFLOW_FASTEOI
>> 84 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 85 select HAVE_C_RECORDMCOUNT
>> 86 select HAVE_ARCH_AUDITSYSCALL
>> 87 select ARCH_SUPPORTS_ATOMIC_RMW
>> 88 select HAVE_NMI
>> 89 select HAVE_REGS_AND_STACK_ACCESS_API
>> 90 select ARCH_USE_QUEUED_RWLOCKS
>> 91 select ARCH_USE_QUEUED_SPINLOCKS
>> 92 select GENERIC_TIME_VSYSCALL
>> 93 select ARCH_CLOCKSOURCE_DATA
>> 94 select ARCH_HAS_PTE_SPECIAL
>> 95
>> 96 config ARCH_DEFCONFIG
>> 97 string
>> 98 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 99 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
50 100
51 config GENERIC_HWEIGHT !! 101 config ARCH_PROC_KCORE_TEXT
52 def_bool y 102 def_bool y
53 103
54 config NO_IOPORT_MAP !! 104 config CPU_BIG_ENDIAN
55 def_bool y 105 def_bool y
56 106
57 # For now, use generic checksum functions !! 107 config ARCH_ATU
58 #These can be reimplemented in assembly later !! 108 bool
59 config GENERIC_CSUM !! 109 default y if SPARC64
60 def_bool y <<
61 110
62 config STACKTRACE_SUPPORT 111 config STACKTRACE_SUPPORT
63 def_bool y !! 112 bool
>> 113 default y if SPARC64
64 114
65 config LOCKDEP_SUPPORT 115 config LOCKDEP_SUPPORT
66 def_bool y !! 116 bool
>> 117 default y if SPARC64
>> 118
>> 119 config ARCH_HIBERNATION_POSSIBLE
>> 120 def_bool y if SPARC64
>> 121
>> 122 config AUDIT_ARCH
>> 123 bool
>> 124 default y
>> 125
>> 126 config HAVE_SETUP_PER_CPU_AREA
>> 127 def_bool y if SPARC64
>> 128
>> 129 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 130 def_bool y if SPARC64
>> 131
>> 132 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 133 def_bool y if SPARC64
>> 134
>> 135 config MMU
>> 136 bool
>> 137 default y
>> 138
>> 139 config HIGHMEM
>> 140 bool
>> 141 default y if SPARC32
>> 142
>> 143 config ZONE_DMA
>> 144 bool
>> 145 default y if SPARC32
>> 146
>> 147 config GENERIC_ISA_DMA
>> 148 bool
>> 149 default y if SPARC32
>> 150
>> 151 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 152 def_bool y if SPARC64
>> 153
>> 154 config PGTABLE_LEVELS
>> 155 default 4 if 64BIT
>> 156 default 3
>> 157
>> 158 config ARCH_SUPPORTS_UPROBES
>> 159 def_bool y if SPARC64
67 160
68 menu "Processor type and features" 161 menu "Processor type and features"
69 162
70 choice !! 163 config SMP
71 prompt "Subarchitecture" !! 164 bool "Symmetric multi-processing support"
72 default OR1K_1200 !! 165 ---help---
>> 166 This enables support for systems with more than one CPU. If you have
>> 167 a system with only one CPU, say N. If you have a system with more
>> 168 than one CPU, say Y.
73 169
74 config OR1K_1200 !! 170 If you say N here, the kernel will run on uni- and multiprocessor
75 bool "OR1200" !! 171 machines, but will use only one CPU of a multiprocessor machine. If
76 help !! 172 you say Y here, the kernel will run on many, but not all,
77 Generic OpenRISC 1200 architecture !! 173 uniprocessor machines. On a uniprocessor machine, the kernel
>> 174 will run faster if you say N here.
>> 175
>> 176 People using multiprocessor machines who say Y here should also say
>> 177 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 178 Management" code will be disabled if you say Y here.
78 179
79 endchoice !! 180 See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
>> 181 available at <http://www.tldp.org/docs.html#howto>.
80 182
81 config DCACHE_WRITETHROUGH !! 183 If you don't know what to do here, say N.
82 bool "Have write through data caches" <<
83 default n <<
84 help <<
85 Select this if your implementation f <<
86 Selecting 'N' here will allow the ke <<
87 caches at relevant times. Most OpenR <<
88 through data caches. <<
89 184
90 If unsure say N here !! 185 config NR_CPUS
>> 186 int "Maximum number of CPUs"
>> 187 depends on SMP
>> 188 range 2 32 if SPARC32
>> 189 range 2 4096 if SPARC64
>> 190 default 32 if SPARC32
>> 191 default 4096 if SPARC64
>> 192
>> 193 source kernel/Kconfig.hz
>> 194
>> 195 config RWSEM_GENERIC_SPINLOCK
>> 196 bool
>> 197 default y if SPARC32
>> 198
>> 199 config RWSEM_XCHGADD_ALGORITHM
>> 200 bool
>> 201 default y if SPARC64
91 202
92 config OPENRISC_BUILTIN_DTB !! 203 config GENERIC_HWEIGHT
93 string "Builtin DTB" !! 204 bool
94 default "" !! 205 default y
95 206
96 menu "Class II Instructions" !! 207 config GENERIC_CALIBRATE_DELAY
>> 208 bool
>> 209 default y
97 210
98 config OPENRISC_HAVE_INST_FF1 !! 211 config ARCH_MAY_HAVE_PC_FDC
99 bool "Have instruction l.ff1" !! 212 bool
100 default y 213 default y
101 help <<
102 Select this if your implementation h <<
103 214
104 config OPENRISC_HAVE_INST_FL1 !! 215 config EMULATED_CMPXCHG
105 bool "Have instruction l.fl1" !! 216 bool
>> 217 default y if SPARC32
>> 218 help
>> 219 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 220 is emulated, and therefore it is not completely atomic.
>> 221
>> 222 # Makefile helpers
>> 223 config SPARC32_SMP
>> 224 bool
106 default y 225 default y
107 help !! 226 depends on SPARC32 && SMP
108 Select this if your implementation h <<
109 227
110 config OPENRISC_HAVE_INST_MUL !! 228 config SPARC64_SMP
111 bool "Have instruction l.mul for hardw !! 229 bool
112 default y 230 default y
113 help !! 231 depends on SPARC64 && SMP
114 Select this if your implementation h <<
115 232
116 config OPENRISC_HAVE_INST_DIV !! 233 config EARLYFB
117 bool "Have instruction l.div for hardw !! 234 bool "Support for early boot text console"
118 default y 235 default y
>> 236 depends on SPARC64
119 help 237 help
120 Select this if your implementation h !! 238 Say Y here to enable a faster early framebuffer boot console.
121 239
122 config OPENRISC_HAVE_INST_CMOV !! 240 config SECCOMP
123 bool "Have instruction l.cmov for cond !! 241 bool "Enable seccomp to safely compute untrusted bytecode"
124 default n !! 242 depends on SPARC64 && PROC_FS
>> 243 default y
125 help 244 help
126 This config enables gcc to generate !! 245 This kernel feature is useful for number crunching applications
127 the kernel which in general will imp !! 246 that may need to compute untrusted bytecode during their
128 binary size. !! 247 execution. By using pipes or other transports made available to
129 !! 248 the process as file descriptors supporting the read/write
130 Select this if your implementation h !! 249 syscalls, it's possible to isolate those applications in
131 l.cmov conistional move instruction. !! 250 their own address space using seccomp. Once seccomp is
132 !! 251 enabled via /proc/<pid>/seccomp, it cannot be disabled
133 Say N if you are unsure. !! 252 and the task is only allowed to execute a few safe syscalls
134 !! 253 defined by each seccomp mode.
135 config OPENRISC_HAVE_INST_ROR !! 254
136 bool "Have instruction l.ror for rotat !! 255 If unsure, say Y. Only embedded should say N here.
137 default n !! 256
>> 257 config HOTPLUG_CPU
>> 258 bool "Support for hot-pluggable CPUs"
>> 259 depends on SPARC64 && SMP
>> 260 help
>> 261 Say Y here to experiment with turning CPUs off and on. CPUs
>> 262 can be controlled through /sys/devices/system/cpu/cpu#.
>> 263 Say N if you want to disable CPU hotplug.
>> 264
>> 265 if SPARC64
>> 266 source "drivers/cpufreq/Kconfig"
>> 267 endif
>> 268
>> 269 config US3_MC
>> 270 tristate "UltraSPARC-III Memory Controller driver"
>> 271 depends on SPARC64
>> 272 default y
138 help 273 help
139 This config enables gcc to generate !! 274 This adds a driver for the UltraSPARC-III memory controller.
140 the kernel which in general will imp !! 275 Loading this driver allows exact mnemonic strings to be
141 binary size. !! 276 printed in the event of a memory error, so that the faulty DIMM
>> 277 on the motherboard can be matched to the error.
>> 278
>> 279 If in doubt, say Y, as this information can be very useful.
>> 280
>> 281 # Global things across all Sun machines.
>> 282 config GENERIC_LOCKBREAK
>> 283 bool
>> 284 default y
>> 285 depends on SPARC64 && SMP && PREEMPT
142 286
143 Select this if your implementation h !! 287 config NUMA
144 l.ror rotate right instruction. !! 288 bool "NUMA support"
>> 289 depends on SPARC64 && SMP
>> 290
>> 291 config NODES_SHIFT
>> 292 int "Maximum NUMA Nodes (as a power of 2)"
>> 293 range 4 5 if SPARC64
>> 294 default "5"
>> 295 depends on NEED_MULTIPLE_NODES
>> 296 help
>> 297 Specify the maximum number of NUMA Nodes available on the target
>> 298 system. Increases memory reserved to accommodate various tables.
>> 299
>> 300 # Some NUMA nodes have memory ranges that span
>> 301 # other nodes. Even though a pfn is valid and
>> 302 # between a node's start and end pfns, it may not
>> 303 # reside on that node. See memmap_init_zone()
>> 304 # for details.
>> 305 config NODES_SPAN_OTHER_NODES
>> 306 def_bool y
>> 307 depends on NEED_MULTIPLE_NODES
145 308
146 Say N if you are unsure. !! 309 config ARCH_SELECT_MEMORY_MODEL
>> 310 def_bool y if SPARC64
147 311
148 config OPENRISC_HAVE_INST_RORI !! 312 config ARCH_SPARSEMEM_ENABLE
149 bool "Have instruction l.rori for rota !! 313 def_bool y if SPARC64
150 default n !! 314 select SPARSEMEM_VMEMMAP_ENABLE
>> 315
>> 316 config ARCH_SPARSEMEM_DEFAULT
>> 317 def_bool y if SPARC64
>> 318
>> 319 config FORCE_MAX_ZONEORDER
>> 320 int "Maximum zone order"
>> 321 default "13"
>> 322 help
>> 323 The kernel memory allocator divides physically contiguous memory
>> 324 blocks into "zones", where each zone is a power of two number of
>> 325 pages. This option selects the largest power of two that the kernel
>> 326 keeps in the memory allocator. If you need to allocate very large
>> 327 blocks of physically contiguous memory, then you may need to
>> 328 increase this value.
>> 329
>> 330 This config option is actually maximum order plus one. For example,
>> 331 a value of 13 means that the largest free memory block is 2^12 pages.
>> 332
>> 333 if SPARC64 || COMPILE_TEST
>> 334 source "kernel/power/Kconfig"
>> 335 endif
>> 336
>> 337 config SCHED_SMT
>> 338 bool "SMT (Hyperthreading) scheduler support"
>> 339 depends on SPARC64 && SMP
>> 340 default y
151 help 341 help
152 This config enables gcc to generate !! 342 SMT scheduler support improves the CPU scheduler's decision making
153 the kernel which in general will imp !! 343 when dealing with SPARC cpus at a cost of slightly increased overhead
154 binary size. !! 344 in some places. If unsure say N here.
155 !! 345
156 Select this if your implementation h !! 346 config SCHED_MC
157 l.rori rotate right with immediate i !! 347 bool "Multi-core scheduler support"
158 !! 348 depends on SPARC64 && SMP
159 Say N if you are unsure. !! 349 default y
160 <<
161 config OPENRISC_HAVE_INST_SEXT <<
162 bool "Have instructions l.ext* for sig <<
163 default n <<
164 help 350 help
165 This config enables gcc to generate !! 351 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 352 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 353 increased overhead in some places. If unsure say N here.
>> 354
>> 355 config CMDLINE_BOOL
>> 356 bool "Default bootloader kernel arguments"
>> 357 depends on SPARC64
168 358
169 Select this if your implementation h !! 359 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 360 string "Initial kernel command string"
>> 361 depends on CMDLINE_BOOL
>> 362 default "console=ttyS0,9600 root=/dev/sda1"
>> 363 help
>> 364 Say Y here if you want to be able to pass default arguments to
>> 365 the kernel. This will be overridden by the bootloader, if you
>> 366 use one (such as SILO). This is most useful if you want to boot
>> 367 a kernel from TFTP, and want default options to be available
>> 368 with having them passed on the command line.
>> 369
>> 370 NOTE: This option WILL override the PROM bootargs setting!
>> 371
>> 372 config SUN_PM
>> 373 bool
>> 374 default y if SPARC32
>> 375 help
>> 376 Enable power management and CPU standby features on supported
>> 377 SPARC platforms.
>> 378
>> 379 config SPARC_LED
>> 380 tristate "Sun4m LED driver"
>> 381 depends on SPARC32
>> 382 help
>> 383 This driver toggles the front-panel LED on sun4m systems
>> 384 in a user-specifiable manner. Its state can be probed
>> 385 by reading /proc/led and its blinking mode can be changed
>> 386 via writes to /proc/led
>> 387
>> 388 config SERIAL_CONSOLE
>> 389 bool
>> 390 depends on SPARC32
>> 391 default y
>> 392 ---help---
>> 393 If you say Y here, it will be possible to use a serial port as the
>> 394 system console (the system console is the device which receives all
>> 395 kernel messages and warnings and which allows logins in single user
>> 396 mode). This could be useful if some terminal or printer is connected
>> 397 to that serial port.
>> 398
>> 399 Even if you say Y here, the currently visible virtual console
>> 400 (/dev/tty0) will still be used as the system console by default, but
>> 401 you can alter that using a kernel command line option such as
>> 402 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 403 your boot loader (silo) about how to pass options to the kernel at
>> 404 boot time.)
>> 405
>> 406 If you don't have a graphics card installed and you say Y here, the
>> 407 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 408 system console.
>> 409
>> 410 If unsure, say N.
>> 411
>> 412 config SPARC_LEON
>> 413 bool "Sparc Leon processor family"
>> 414 depends on SPARC32
>> 415 select USB_EHCI_BIG_ENDIAN_MMIO
>> 416 select USB_EHCI_BIG_ENDIAN_DESC
>> 417 select USB_UHCI_BIG_ENDIAN_MMIO
>> 418 select USB_UHCI_BIG_ENDIAN_DESC
>> 419 ---help---
>> 420 If you say Y here if you are running on a SPARC-LEON processor.
>> 421 The LEON processor is a synthesizable VHDL model of the
>> 422 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 423 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 424 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 425 toolchain at www.gaisler.com.
>> 426
>> 427 if SPARC_LEON
>> 428 menu "U-Boot options"
>> 429
>> 430 config UBOOT_LOAD_ADDR
>> 431 hex "uImage Load Address"
>> 432 default 0x40004000
>> 433 ---help---
>> 434 U-Boot kernel load address, the address in physical address space
>> 435 where u-boot will place the Linux kernel before booting it.
>> 436 This address is normally the base address of main memory + 0x4000.
>> 437
>> 438 config UBOOT_FLASH_ADDR
>> 439 hex "uImage.o Load Address"
>> 440 default 0x00080000
>> 441 ---help---
>> 442 Optional setting only affecting the uImage.o ELF-image used to
>> 443 download the uImage file to the target using a ELF-loader other than
>> 444 U-Boot. It may for example be used to download an uImage to FLASH with
>> 445 the GRMON utility before even starting u-boot.
>> 446
>> 447 config UBOOT_ENTRY_ADDR
>> 448 hex "uImage Entry Address"
>> 449 default 0xf0004000
>> 450 ---help---
>> 451 Do not change this unless you know what you're doing. This is
>> 452 hardcoded by the SPARC32 and LEON port.
171 453
172 Say N if you are unsure. !! 454 This is the virtual address u-boot jumps to when booting the Linux
>> 455 Kernel.
173 456
174 endmenu 457 endmenu
>> 458 endif
175 459
176 config NR_CPUS !! 460 endmenu
177 int "Maximum number of CPUs (2-32)" <<
178 range 2 32 <<
179 depends on SMP <<
180 default "2" <<
181 <<
182 config SMP <<
183 bool "Symmetric Multi-Processing suppo <<
184 help <<
185 This enables support for systems wit <<
186 a system with only one CPU, say N. I <<
187 than one CPU, say Y. <<
188 461
189 If you don't know what to do here, s !! 462 menu "Bus options (PCI etc.)"
>> 463 config SBUS
>> 464 bool
>> 465 default y
190 466
191 config FPU !! 467 config SBUSCHAR
192 bool "FPU support" !! 468 bool
193 default y 469 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 470
198 If you don't know what to do here, s !! 471 config SUN_LDOMS
>> 472 bool "Sun Logical Domains support"
>> 473 depends on SPARC64
>> 474 help
>> 475 Say Y here is you want to support virtual devices via
>> 476 Logical Domains.
>> 477
>> 478 config PCI
>> 479 bool "Support for PCI and PS/2 keyboard/mouse"
>> 480 help
>> 481 Find out whether your system includes a PCI bus. PCI is the name of
>> 482 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 483 your box. If you say Y here, the kernel will include drivers and
>> 484 infrastructure code to support PCI bus devices.
>> 485
>> 486 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 487 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 488 All of these platforms are extremely obscure, so say N if unsure.
>> 489
>> 490 config PCI_DOMAINS
>> 491 def_bool PCI if SPARC64
>> 492
>> 493 config PCI_SYSCALL
>> 494 def_bool PCI
>> 495
>> 496 config PCIC_PCI
>> 497 bool
>> 498 depends on PCI && SPARC32 && !SPARC_LEON
>> 499 default y
199 500
200 source "kernel/Kconfig.hz" !! 501 config LEON_PCI
>> 502 bool
>> 503 depends on PCI && SPARC_LEON
>> 504 default y
201 505
202 config OPENRISC_NO_SPR_SR_DSX !! 506 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 507 bool "GRPCI Host Bridge Support"
>> 508 depends on LEON_PCI
204 default y 509 default y
205 help 510 help
206 SPR_SR_DSX bit is status register bi !! 511 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 512 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 513 systems. The driver has one property (all_pci_errors) controlled
>> 514 from the bootloader that makes the GRPCI to generate interrupts
>> 515 on detected PCI Parity and System errors.
>> 516
>> 517 config SPARC_GRPCI2
>> 518 bool "GRPCI2 Host Bridge Support"
>> 519 depends on LEON_PCI
>> 520 default y
>> 521 help
>> 522 Say Y here to include the GRPCI2 Host Bridge Driver.
208 523
209 OpenRISC architecture makes it optio !! 524 source "drivers/pci/Kconfig"
210 in hardware and the OR1200 does not <<
211 525
212 Say N here if you know that your Ope !! 526 source "drivers/pcmcia/Kconfig"
213 SPR_SR_DSX bit implemented. Say Y if <<
214 527
215 config OPENRISC_HAVE_SHADOW_GPRS !! 528 config SUN_OPENPROMFS
216 bool "Support for shadow gpr files" if !! 529 tristate "Openprom tree appears in /proc/openprom"
217 default y if SMP <<
218 help 530 help
219 Say Y here if your OpenRISC processo !! 531 If you say Y, the OpenPROM device tree will be available as a
220 register files. They will in such ca !! 532 virtual file system, which you can mount to /proc/openprom by "mount
221 scratch reg storage on exception ent !! 533 -t openpromfs none /proc/openprom".
222 <<
223 On SMP systems, this feature is mand <<
224 On a unicore system it's safe to say <<
225 534
226 config CMDLINE !! 535 To compile the /proc/openprom support as a module, choose M here: the
227 string "Default kernel command string" !! 536 module will be called openpromfs.
228 default "" <<
229 help <<
230 On some architectures there is curre <<
231 to pass arguments to the kernel. For <<
232 supply some command-line options at <<
233 here. <<
234 537
235 menu "Debugging options" !! 538 Only choose N if you know in advance that you will not need to modify
>> 539 OpenPROM settings on the running system.
236 540
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 541 # Makefile helpers
238 bool "Try to die gracefully" !! 542 config SPARC64_PCI
>> 543 bool
239 default y 544 default y
240 help !! 545 depends on SPARC64 && PCI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 546
244 Say Y if you are unsure. !! 547 config SPARC64_PCI_MSI
>> 548 bool
>> 549 default y
>> 550 depends on SPARC64_PCI && PCI_MSI
245 551
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 552 endmenu
247 bool "Check for possible ESR exception <<
248 default n <<
249 help <<
250 This option enables some checks that <<
251 in kernel. <<
252 553
253 Say N if you are unsure. !! 554 config COMPAT
>> 555 bool
>> 556 depends on SPARC64
>> 557 default y
>> 558 select COMPAT_BINFMT_ELF if BINFMT_ELF
>> 559 select HAVE_UID16
>> 560 select ARCH_WANT_OLD_COMPAT_IPC
>> 561 select COMPAT_OLD_SIGACTION
254 562
255 endmenu !! 563 config SYSVIPC_COMPAT
>> 564 bool
>> 565 depends on COMPAT && SYSVIPC
>> 566 default y
256 567
257 endmenu !! 568 source "drivers/sbus/char/Kconfig"
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