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_DMA_API_DEBUG
>> 29 select HAVE_ARCH_JUMP_LABEL if SPARC64
22 select GENERIC_IRQ_SHOW 30 select GENERIC_IRQ_SHOW
>> 31 select ARCH_WANT_IPC_PARSE_VERSION
23 select GENERIC_PCI_IOMAP 32 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 33 select HAVE_NMI_WATCHDOG if SPARC64
25 select GENERIC_CPU_DEVICES !! 34 select HAVE_CBPF_JIT
26 select HAVE_PCI !! 35 select HAVE_DEBUG_BUGVERBOSE
27 select HAVE_UID16 <<
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 HAVE_ARCH_HARDENED_USERCOPY
38 select PCI_DOMAINS_GENERIC if PCI !! 46 select PROVE_LOCKING_SMALL if PROVE_LOCKING
39 select PCI_MSI if PCI <<
40 select ARCH_WANT_FRAME_POINTERS <<
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 47
45 config CPU_BIG_ENDIAN !! 48 config SPARC32
>> 49 def_bool !64BIT
>> 50 select GENERIC_ATOMIC64
>> 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
>> 85 config ARCH_DEFCONFIG
>> 86 string
>> 87 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 88 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
>> 89
>> 90 config ARCH_PROC_KCORE_TEXT
46 def_bool y 91 def_bool y
47 92
>> 93 config ARCH_ATU
>> 94 bool
>> 95 default y if SPARC64
>> 96
>> 97 config ARCH_DMA_ADDR_T_64BIT
>> 98 bool
>> 99 default y if ARCH_ATU
>> 100
>> 101 config IOMMU_HELPER
>> 102 bool
>> 103 default y if SPARC64
>> 104
>> 105 config STACKTRACE_SUPPORT
>> 106 bool
>> 107 default y if SPARC64
>> 108
>> 109 config LOCKDEP_SUPPORT
>> 110 bool
>> 111 default y if SPARC64
>> 112
>> 113 config ARCH_HIBERNATION_POSSIBLE
>> 114 def_bool y if SPARC64
>> 115
>> 116 config AUDIT_ARCH
>> 117 bool
>> 118 default y
>> 119
>> 120 config HAVE_SETUP_PER_CPU_AREA
>> 121 def_bool y if SPARC64
>> 122
>> 123 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 124 def_bool y if SPARC64
>> 125
>> 126 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 127 def_bool y if SPARC64
>> 128
48 config MMU 129 config MMU
49 def_bool y !! 130 bool
>> 131 default y
50 132
51 config GENERIC_HWEIGHT !! 133 config HIGHMEM
52 def_bool y !! 134 bool
>> 135 default y if SPARC32
>> 136
>> 137 config ZONE_DMA
>> 138 bool
>> 139 default y if SPARC32
53 140
54 config NO_IOPORT_MAP !! 141 config NEED_DMA_MAP_STATE
55 def_bool y 142 def_bool y
56 143
57 # For now, use generic checksum functions !! 144 config NEED_SG_DMA_LENGTH
58 #These can be reimplemented in assembly later <<
59 config GENERIC_CSUM <<
60 def_bool y 145 def_bool y
61 146
62 config STACKTRACE_SUPPORT !! 147 config GENERIC_ISA_DMA
63 def_bool y !! 148 bool
>> 149 default y if SPARC32
64 150
65 config LOCKDEP_SUPPORT !! 151 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
66 def_bool y !! 152 def_bool y if SPARC64
>> 153
>> 154 config PGTABLE_LEVELS
>> 155 default 4 if 64BIT
>> 156 default 3
>> 157
>> 158 source "init/Kconfig"
>> 159
>> 160 source "kernel/Kconfig.freezer"
67 161
68 menu "Processor type and features" 162 menu "Processor type and features"
69 163
70 choice !! 164 config SMP
71 prompt "Subarchitecture" !! 165 bool "Symmetric multi-processing support"
72 default OR1K_1200 !! 166 ---help---
>> 167 This enables support for systems with more than one CPU. If you have
>> 168 a system with only one CPU, say N. If you have a system with more
>> 169 than one CPU, say Y.
73 170
74 config OR1K_1200 !! 171 If you say N here, the kernel will run on uni- and multiprocessor
75 bool "OR1200" !! 172 machines, but will use only one CPU of a multiprocessor machine. If
76 help !! 173 you say Y here, the kernel will run on many, but not all,
77 Generic OpenRISC 1200 architecture !! 174 uniprocessor machines. On a uniprocessor machine, the kernel
>> 175 will run faster if you say N here.
>> 176
>> 177 People using multiprocessor machines who say Y here should also say
>> 178 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 179 Management" code will be disabled if you say Y here.
78 180
79 endchoice !! 181 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
>> 182 available at <http://www.tldp.org/docs.html#howto>.
80 183
81 config DCACHE_WRITETHROUGH !! 184 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. <<
89 185
90 If unsure say N here !! 186 config NR_CPUS
>> 187 int "Maximum number of CPUs"
>> 188 depends on SMP
>> 189 range 2 32 if SPARC32
>> 190 range 2 4096 if SPARC64
>> 191 default 32 if SPARC32
>> 192 default 4096 if SPARC64
>> 193
>> 194 source kernel/Kconfig.hz
>> 195
>> 196 config RWSEM_GENERIC_SPINLOCK
>> 197 bool
>> 198 default y if SPARC32
>> 199
>> 200 config RWSEM_XCHGADD_ALGORITHM
>> 201 bool
>> 202 default y if SPARC64
91 203
92 config OPENRISC_BUILTIN_DTB !! 204 config GENERIC_HWEIGHT
93 string "Builtin DTB" !! 205 bool
94 default "" !! 206 default y
95 207
96 menu "Class II Instructions" !! 208 config GENERIC_CALIBRATE_DELAY
>> 209 bool
>> 210 default y
97 211
98 config OPENRISC_HAVE_INST_FF1 !! 212 config ARCH_MAY_HAVE_PC_FDC
99 bool "Have instruction l.ff1" !! 213 bool
100 default y 214 default y
101 help <<
102 Select this if your implementation h <<
103 215
104 config OPENRISC_HAVE_INST_FL1 !! 216 config EMULATED_CMPXCHG
105 bool "Have instruction l.fl1" !! 217 bool
>> 218 default y if SPARC32
>> 219 help
>> 220 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 221 is emulated, and therefore it is not completely atomic.
>> 222
>> 223 # Makefile helpers
>> 224 config SPARC32_SMP
>> 225 bool
106 default y 226 default y
107 help !! 227 depends on SPARC32 && SMP
108 Select this if your implementation h <<
109 228
110 config OPENRISC_HAVE_INST_MUL !! 229 config SPARC64_SMP
111 bool "Have instruction l.mul for hardw !! 230 bool
112 default y 231 default y
113 help !! 232 depends on SPARC64 && SMP
114 Select this if your implementation h <<
115 233
116 config OPENRISC_HAVE_INST_DIV !! 234 config EARLYFB
117 bool "Have instruction l.div for hardw !! 235 bool "Support for early boot text console"
118 default y 236 default y
>> 237 depends on SPARC64
119 help 238 help
120 Select this if your implementation h !! 239 Say Y here to enable a faster early framebuffer boot console.
121 240
122 config OPENRISC_HAVE_INST_CMOV !! 241 config SECCOMP
123 bool "Have instruction l.cmov for cond !! 242 bool "Enable seccomp to safely compute untrusted bytecode"
124 default n !! 243 depends on SPARC64 && PROC_FS
>> 244 default y
125 help 245 help
126 This config enables gcc to generate !! 246 This kernel feature is useful for number crunching applications
127 the kernel which in general will imp !! 247 that may need to compute untrusted bytecode during their
128 binary size. !! 248 execution. By using pipes or other transports made available to
129 !! 249 the process as file descriptors supporting the read/write
130 Select this if your implementation h !! 250 syscalls, it's possible to isolate those applications in
131 l.cmov conistional move instruction. !! 251 their own address space using seccomp. Once seccomp is
>> 252 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 253 and the task is only allowed to execute a few safe syscalls
>> 254 defined by each seccomp mode.
>> 255
>> 256 If unsure, say Y. Only embedded should say N here.
>> 257
>> 258 config HOTPLUG_CPU
>> 259 bool "Support for hot-pluggable CPUs"
>> 260 depends on SPARC64 && SMP
>> 261 help
>> 262 Say Y here to experiment with turning CPUs off and on. CPUs
>> 263 can be controlled through /sys/devices/system/cpu/cpu#.
>> 264 Say N if you want to disable CPU hotplug.
>> 265
>> 266 if SPARC64
>> 267 source "drivers/cpufreq/Kconfig"
>> 268 endif
>> 269
>> 270 config US3_MC
>> 271 tristate "UltraSPARC-III Memory Controller driver"
>> 272 depends on SPARC64
>> 273 default y
>> 274 help
>> 275 This adds a driver for the UltraSPARC-III memory controller.
>> 276 Loading this driver allows exact mnemonic strings to be
>> 277 printed in the event of a memory error, so that the faulty DIMM
>> 278 on the motherboard can be matched to the error.
>> 279
>> 280 If in doubt, say Y, as this information can be very useful.
>> 281
>> 282 # Global things across all Sun machines.
>> 283 config GENERIC_LOCKBREAK
>> 284 bool
>> 285 default y
>> 286 depends on SPARC64 && SMP && PREEMPT
132 287
133 Say N if you are unsure. !! 288 config NUMA
>> 289 bool "NUMA support"
>> 290 depends on SPARC64 && SMP
>> 291
>> 292 config NODES_SHIFT
>> 293 int "Maximum NUMA Nodes (as a power of 2)"
>> 294 range 4 5 if SPARC64
>> 295 default "5"
>> 296 depends on NEED_MULTIPLE_NODES
>> 297 help
>> 298 Specify the maximum number of NUMA Nodes available on the target
>> 299 system. Increases memory reserved to accommodate various tables.
>> 300
>> 301 # Some NUMA nodes have memory ranges that span
>> 302 # other nodes. Even though a pfn is valid and
>> 303 # between a node's start and end pfns, it may not
>> 304 # reside on that node. See memmap_init_zone()
>> 305 # for details.
>> 306 config NODES_SPAN_OTHER_NODES
>> 307 def_bool y
>> 308 depends on NEED_MULTIPLE_NODES
134 309
135 config OPENRISC_HAVE_INST_ROR !! 310 config ARCH_SELECT_MEMORY_MODEL
136 bool "Have instruction l.ror for rotat !! 311 def_bool y if SPARC64
137 default n <<
138 help <<
139 This config enables gcc to generate <<
140 the kernel which in general will imp <<
141 binary size. <<
142 312
143 Select this if your implementation h !! 313 config ARCH_SPARSEMEM_ENABLE
144 l.ror rotate right instruction. !! 314 def_bool y if SPARC64
>> 315 select SPARSEMEM_VMEMMAP_ENABLE
145 316
146 Say N if you are unsure. !! 317 config ARCH_SPARSEMEM_DEFAULT
>> 318 def_bool y if SPARC64
147 319
148 config OPENRISC_HAVE_INST_RORI !! 320 config FORCE_MAX_ZONEORDER
149 bool "Have instruction l.rori for rota !! 321 int "Maximum zone order"
150 default n !! 322 default "13"
151 help 323 help
152 This config enables gcc to generate !! 324 The kernel memory allocator divides physically contiguous memory
153 the kernel which in general will imp !! 325 blocks into "zones", where each zone is a power of two number of
154 binary size. !! 326 pages. This option selects the largest power of two that the kernel
>> 327 keeps in the memory allocator. If you need to allocate very large
>> 328 blocks of physically contiguous memory, then you may need to
>> 329 increase this value.
155 330
156 Select this if your implementation h !! 331 This config option is actually maximum order plus one. For example,
157 l.rori rotate right with immediate i !! 332 a value of 13 means that the largest free memory block is 2^12 pages.
158 333
159 Say N if you are unsure. !! 334 source "mm/Kconfig"
160 335
161 config OPENRISC_HAVE_INST_SEXT !! 336 if SPARC64
162 bool "Have instructions l.ext* for sig !! 337 source "kernel/power/Kconfig"
163 default n !! 338 endif
>> 339
>> 340 config SCHED_SMT
>> 341 bool "SMT (Hyperthreading) scheduler support"
>> 342 depends on SPARC64 && SMP
>> 343 default y
>> 344 help
>> 345 SMT scheduler support improves the CPU scheduler's decision making
>> 346 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 347 in some places. If unsure say N here.
>> 348
>> 349 config SCHED_MC
>> 350 bool "Multi-core scheduler support"
>> 351 depends on SPARC64 && SMP
>> 352 default y
164 help 353 help
165 This config enables gcc to generate !! 354 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 355 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 356 increased overhead in some places. If unsure say N here.
>> 357
>> 358 source "kernel/Kconfig.preempt"
>> 359
>> 360 config CMDLINE_BOOL
>> 361 bool "Default bootloader kernel arguments"
>> 362 depends on SPARC64
168 363
169 Select this if your implementation h !! 364 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 365 string "Initial kernel command string"
>> 366 depends on CMDLINE_BOOL
>> 367 default "console=ttyS0,9600 root=/dev/sda1"
>> 368 help
>> 369 Say Y here if you want to be able to pass default arguments to
>> 370 the kernel. This will be overridden by the bootloader, if you
>> 371 use one (such as SILO). This is most useful if you want to boot
>> 372 a kernel from TFTP, and want default options to be available
>> 373 with having them passed on the command line.
>> 374
>> 375 NOTE: This option WILL override the PROM bootargs setting!
>> 376
>> 377 config SUN_PM
>> 378 bool
>> 379 default y if SPARC32
>> 380 help
>> 381 Enable power management and CPU standby features on supported
>> 382 SPARC platforms.
>> 383
>> 384 config SPARC_LED
>> 385 tristate "Sun4m LED driver"
>> 386 depends on SPARC32
>> 387 help
>> 388 This driver toggles the front-panel LED on sun4m systems
>> 389 in a user-specifiable manner. Its state can be probed
>> 390 by reading /proc/led and its blinking mode can be changed
>> 391 via writes to /proc/led
>> 392
>> 393 config SERIAL_CONSOLE
>> 394 bool
>> 395 depends on SPARC32
>> 396 default y
>> 397 ---help---
>> 398 If you say Y here, it will be possible to use a serial port as the
>> 399 system console (the system console is the device which receives all
>> 400 kernel messages and warnings and which allows logins in single user
>> 401 mode). This could be useful if some terminal or printer is connected
>> 402 to that serial port.
>> 403
>> 404 Even if you say Y here, the currently visible virtual console
>> 405 (/dev/tty0) will still be used as the system console by default, but
>> 406 you can alter that using a kernel command line option such as
>> 407 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 408 your boot loader (silo) about how to pass options to the kernel at
>> 409 boot time.)
>> 410
>> 411 If you don't have a graphics card installed and you say Y here, the
>> 412 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 413 system console.
>> 414
>> 415 If unsure, say N.
>> 416
>> 417 config SPARC_LEON
>> 418 bool "Sparc Leon processor family"
>> 419 depends on SPARC32
>> 420 select USB_EHCI_BIG_ENDIAN_MMIO
>> 421 select USB_EHCI_BIG_ENDIAN_DESC
>> 422 ---help---
>> 423 If you say Y here if you are running on a SPARC-LEON processor.
>> 424 The LEON processor is a synthesizable VHDL model of the
>> 425 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 426 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 427 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 428 toolchain at www.gaisler.com.
>> 429
>> 430 if SPARC_LEON
>> 431 menu "U-Boot options"
>> 432
>> 433 config UBOOT_LOAD_ADDR
>> 434 hex "uImage Load Address"
>> 435 default 0x40004000
>> 436 ---help---
>> 437 U-Boot kernel load address, the address in physical address space
>> 438 where u-boot will place the Linux kernel before booting it.
>> 439 This address is normally the base address of main memory + 0x4000.
>> 440
>> 441 config UBOOT_FLASH_ADDR
>> 442 hex "uImage.o Load Address"
>> 443 default 0x00080000
>> 444 ---help---
>> 445 Optional setting only affecting the uImage.o ELF-image used to
>> 446 download the uImage file to the target using a ELF-loader other than
>> 447 U-Boot. It may for example be used to download an uImage to FLASH with
>> 448 the GRMON utility before even starting u-boot.
>> 449
>> 450 config UBOOT_ENTRY_ADDR
>> 451 hex "uImage Entry Address"
>> 452 default 0xf0004000
>> 453 ---help---
>> 454 Do not change this unless you know what you're doing. This is
>> 455 hardcoded by the SPARC32 and LEON port.
171 456
172 Say N if you are unsure. !! 457 This is the virtual address u-boot jumps to when booting the Linux
>> 458 Kernel.
173 459
174 endmenu 460 endmenu
>> 461 endif
175 462
176 config NR_CPUS !! 463 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. <<
188 464
189 If you don't know what to do here, s !! 465 menu "Bus options (PCI etc.)"
>> 466 config SBUS
>> 467 bool
>> 468 default y
190 469
191 config FPU !! 470 config SBUSCHAR
192 bool "FPU support" !! 471 bool
193 default y 472 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 473
198 If you don't know what to do here, s !! 474 config SUN_LDOMS
>> 475 bool "Sun Logical Domains support"
>> 476 depends on SPARC64
>> 477 help
>> 478 Say Y here is you want to support virtual devices via
>> 479 Logical Domains.
>> 480
>> 481 config PCI
>> 482 bool "Support for PCI and PS/2 keyboard/mouse"
>> 483 help
>> 484 Find out whether your system includes a PCI bus. PCI is the name of
>> 485 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 486 your box. If you say Y here, the kernel will include drivers and
>> 487 infrastructure code to support PCI bus devices.
>> 488
>> 489 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 490 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 491 All of these platforms are extremely obscure, so say N if unsure.
>> 492
>> 493 config PCI_DOMAINS
>> 494 def_bool PCI if SPARC64
>> 495
>> 496 config PCI_SYSCALL
>> 497 def_bool PCI
>> 498
>> 499 config PCIC_PCI
>> 500 bool
>> 501 depends on PCI && SPARC32 && !SPARC_LEON
>> 502 default y
199 503
200 source "kernel/Kconfig.hz" !! 504 config LEON_PCI
>> 505 bool
>> 506 depends on PCI && SPARC_LEON
>> 507 default y
201 508
202 config OPENRISC_NO_SPR_SR_DSX !! 509 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 510 bool "GRPCI Host Bridge Support"
>> 511 depends on LEON_PCI
>> 512 default y
>> 513 help
>> 514 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
>> 515 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 516 systems. The driver has one property (all_pci_errors) controlled
>> 517 from the bootloader that makes the GRPCI to generate interrupts
>> 518 on detected PCI Parity and System errors.
>> 519
>> 520 config SPARC_GRPCI2
>> 521 bool "GRPCI2 Host Bridge Support"
>> 522 depends on LEON_PCI
204 default y 523 default y
205 help 524 help
206 SPR_SR_DSX bit is status register bi !! 525 Say Y here to include the GRPCI2 Host Bridge Driver.
207 the last exception has happened in d <<
208 526
209 OpenRISC architecture makes it optio !! 527 source "drivers/pci/Kconfig"
210 in hardware and the OR1200 does not <<
211 528
212 Say N here if you know that your Ope !! 529 source "drivers/pcmcia/Kconfig"
213 SPR_SR_DSX bit implemented. Say Y if <<
214 530
215 config OPENRISC_HAVE_SHADOW_GPRS !! 531 config SUN_OPENPROMFS
216 bool "Support for shadow gpr files" if !! 532 tristate "Openprom tree appears in /proc/openprom"
217 default y if SMP <<
218 help 533 help
219 Say Y here if your OpenRISC processo !! 534 If you say Y, the OpenPROM device tree will be available as a
220 register files. They will in such ca !! 535 virtual file system, which you can mount to /proc/openprom by "mount
221 scratch reg storage on exception ent !! 536 -t openpromfs none /proc/openprom".
222 537
223 On SMP systems, this feature is mand !! 538 To compile the /proc/openprom support as a module, choose M here: the
224 On a unicore system it's safe to say !! 539 module will be called openpromfs.
225 540
226 config CMDLINE !! 541 Only choose N if you know in advance that you will not need to modify
227 string "Default kernel command string" !! 542 OpenPROM settings on the running system.
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. <<
234 543
235 menu "Debugging options" !! 544 # Makefile helpers
>> 545 config SPARC64_PCI
>> 546 bool
>> 547 default y
>> 548 depends on SPARC64 && PCI
236 549
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 550 config SPARC64_PCI_MSI
238 bool "Try to die gracefully" !! 551 bool
239 default y 552 default y
240 help !! 553 depends on SPARC64_PCI && PCI_MSI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 554
244 Say Y if you are unsure. !! 555 endmenu
245 556
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 557 menu "Executable file formats"
247 bool "Check for possible ESR exception <<
248 default n <<
249 help <<
250 This option enables some checks that <<
251 in kernel. <<
252 558
253 Say N if you are unsure. !! 559 source "fs/Kconfig.binfmt"
254 560
255 endmenu !! 561 config COMPAT
>> 562 bool
>> 563 depends on SPARC64
>> 564 default y
>> 565 select COMPAT_BINFMT_ELF if BINFMT_ELF
>> 566 select HAVE_UID16
>> 567 select ARCH_WANT_OLD_COMPAT_IPC
>> 568 select COMPAT_OLD_SIGACTION
>> 569
>> 570 config SYSVIPC_COMPAT
>> 571 bool
>> 572 depends on COMPAT && SYSVIPC
>> 573 default y
256 574
257 endmenu 575 endmenu
>> 576
>> 577 source "net/Kconfig"
>> 578
>> 579 source "drivers/Kconfig"
>> 580
>> 581 source "drivers/sbus/char/Kconfig"
>> 582
>> 583 source "fs/Kconfig"
>> 584
>> 585 source "arch/sparc/Kconfig.debug"
>> 586
>> 587 source "security/Kconfig"
>> 588
>> 589 source "crypto/Kconfig"
>> 590
>> 591 source "lib/Kconfig"
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