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 SYSCTL_EXCEPTION_TRACE
20 select GENERIC_IRQ_CHIP !! 24 select ARCH_WANT_OPTIONAL_GPIOLIB
21 select GENERIC_IRQ_PROBE !! 25 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
>> 26 select RTC_CLASS
>> 27 select RTC_DRV_M48T59
>> 28 select RTC_SYSTOHC
>> 29 select HAVE_DMA_ATTRS
>> 30 select HAVE_DMA_API_DEBUG
>> 31 select HAVE_ARCH_JUMP_LABEL if SPARC64
22 select GENERIC_IRQ_SHOW 32 select GENERIC_IRQ_SHOW
>> 33 select ARCH_WANT_IPC_PARSE_VERSION
23 select GENERIC_PCI_IOMAP 34 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 35 select HAVE_NMI_WATCHDOG if SPARC64
25 select GENERIC_CPU_DEVICES !! 36 select HAVE_BPF_JIT
26 select HAVE_PCI !! 37 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 38 select GENERIC_SMP_IDLE_THREAD
>> 39 select GENERIC_CLOCKEVENTS
>> 40 select GENERIC_STRNCPY_FROM_USER
>> 41 select GENERIC_STRNLEN_USER
32 select MODULES_USE_ELF_RELA 42 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 43 select ODD_RT_SIGACTION
34 select OR1K_PIC !! 44 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 45 select ARCH_HAS_SG_CHAIN
36 select ARCH_USE_QUEUED_RWLOCKS <<
37 select OMPIC if SMP <<
38 select PCI_DOMAINS_GENERIC if PCI <<
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 46
45 config CPU_BIG_ENDIAN !! 47 config SPARC32
>> 48 def_bool !64BIT
>> 49 select GENERIC_ATOMIC64
>> 50 select CLZ_TAB
>> 51 select HAVE_UID16
>> 52 select OLD_SIGACTION
>> 53
>> 54 config SPARC64
>> 55 def_bool 64BIT
>> 56 select HAVE_FUNCTION_TRACER
>> 57 select HAVE_FUNCTION_GRAPH_TRACER
>> 58 select HAVE_FUNCTION_GRAPH_FP_TEST
>> 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
>> 84 config ARCH_DEFCONFIG
>> 85 string
>> 86 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 87 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
>> 88
>> 89 config ARCH_PROC_KCORE_TEXT
46 def_bool y 90 def_bool y
47 91
>> 92 config IOMMU_HELPER
>> 93 bool
>> 94 default y if SPARC64
>> 95
>> 96 config STACKTRACE_SUPPORT
>> 97 bool
>> 98 default y if SPARC64
>> 99
>> 100 config LOCKDEP_SUPPORT
>> 101 bool
>> 102 default y if SPARC64
>> 103
>> 104 config HAVE_LATENCYTOP_SUPPORT
>> 105 bool
>> 106 default y if SPARC64
>> 107
>> 108 config ARCH_HIBERNATION_POSSIBLE
>> 109 def_bool y if SPARC64
>> 110
>> 111 config AUDIT_ARCH
>> 112 bool
>> 113 default y
>> 114
>> 115 config HAVE_SETUP_PER_CPU_AREA
>> 116 def_bool y if SPARC64
>> 117
>> 118 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 119 def_bool y if SPARC64
>> 120
>> 121 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 122 def_bool y if SPARC64
>> 123
48 config MMU 124 config MMU
49 def_bool y !! 125 bool
>> 126 default y
50 127
51 config GENERIC_HWEIGHT !! 128 config HIGHMEM
52 def_bool y !! 129 bool
>> 130 default y if SPARC32
>> 131
>> 132 config ZONE_DMA
>> 133 bool
>> 134 default y if SPARC32
53 135
54 config NO_IOPORT_MAP !! 136 config NEED_DMA_MAP_STATE
55 def_bool y 137 def_bool y
56 138
57 # For now, use generic checksum functions !! 139 config NEED_SG_DMA_LENGTH
58 #These can be reimplemented in assembly later <<
59 config GENERIC_CSUM <<
60 def_bool y 140 def_bool y
61 141
62 config STACKTRACE_SUPPORT !! 142 config GENERIC_ISA_DMA
63 def_bool y !! 143 bool
>> 144 default y if SPARC32
64 145
65 config LOCKDEP_SUPPORT !! 146 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
66 def_bool y !! 147 def_bool y if SPARC64
>> 148
>> 149 config PGTABLE_LEVELS
>> 150 default 4 if 64BIT
>> 151 default 3
>> 152
>> 153 source "init/Kconfig"
>> 154
>> 155 source "kernel/Kconfig.freezer"
67 156
68 menu "Processor type and features" 157 menu "Processor type and features"
69 158
70 choice !! 159 config SMP
71 prompt "Subarchitecture" !! 160 bool "Symmetric multi-processing support"
72 default OR1K_1200 !! 161 ---help---
>> 162 This enables support for systems with more than one CPU. If you have
>> 163 a system with only one CPU, say N. If you have a system with more
>> 164 than one CPU, say Y.
73 165
74 config OR1K_1200 !! 166 If you say N here, the kernel will run on uni- and multiprocessor
75 bool "OR1200" !! 167 machines, but will use only one CPU of a multiprocessor machine. If
76 help !! 168 you say Y here, the kernel will run on many, but not all,
77 Generic OpenRISC 1200 architecture !! 169 uniprocessor machines. On a uniprocessor machine, the kernel
>> 170 will run faster if you say N here.
>> 171
>> 172 People using multiprocessor machines who say Y here should also say
>> 173 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 174 Management" code will be disabled if you say Y here.
78 175
79 endchoice !! 176 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
>> 177 available at <http://www.tldp.org/docs.html#howto>.
80 178
81 config DCACHE_WRITETHROUGH !! 179 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. <<
89 180
90 If unsure say N here !! 181 config NR_CPUS
>> 182 int "Maximum number of CPUs"
>> 183 depends on SMP
>> 184 range 2 32 if SPARC32
>> 185 range 2 4096 if SPARC64
>> 186 default 32 if SPARC32
>> 187 default 4096 if SPARC64
>> 188
>> 189 source kernel/Kconfig.hz
>> 190
>> 191 config RWSEM_GENERIC_SPINLOCK
>> 192 bool
>> 193 default y if SPARC32
>> 194
>> 195 config RWSEM_XCHGADD_ALGORITHM
>> 196 bool
>> 197 default y if SPARC64
91 198
92 config OPENRISC_BUILTIN_DTB !! 199 config GENERIC_HWEIGHT
93 string "Builtin DTB" !! 200 bool
94 default "" !! 201 default y
95 202
96 menu "Class II Instructions" !! 203 config GENERIC_CALIBRATE_DELAY
>> 204 bool
>> 205 default y
97 206
98 config OPENRISC_HAVE_INST_FF1 !! 207 config ARCH_MAY_HAVE_PC_FDC
99 bool "Have instruction l.ff1" !! 208 bool
100 default y 209 default y
101 help <<
102 Select this if your implementation h <<
103 210
104 config OPENRISC_HAVE_INST_FL1 !! 211 config EMULATED_CMPXCHG
105 bool "Have instruction l.fl1" !! 212 bool
>> 213 default y if SPARC32
>> 214 help
>> 215 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 216 is emulated, and therefore it is not completely atomic.
>> 217
>> 218 # Makefile helpers
>> 219 config SPARC32_SMP
>> 220 bool
106 default y 221 default y
107 help !! 222 depends on SPARC32 && SMP
108 Select this if your implementation h <<
109 223
110 config OPENRISC_HAVE_INST_MUL !! 224 config SPARC64_SMP
111 bool "Have instruction l.mul for hardw !! 225 bool
112 default y 226 default y
113 help !! 227 depends on SPARC64 && SMP
114 Select this if your implementation h <<
115 228
116 config OPENRISC_HAVE_INST_DIV !! 229 config EARLYFB
117 bool "Have instruction l.div for hardw !! 230 bool "Support for early boot text console"
118 default y 231 default y
>> 232 depends on SPARC64
119 help 233 help
120 Select this if your implementation h !! 234 Say Y here to enable a faster early framebuffer boot console.
121 235
122 config OPENRISC_HAVE_INST_CMOV !! 236 config SECCOMP
123 bool "Have instruction l.cmov for cond !! 237 bool "Enable seccomp to safely compute untrusted bytecode"
124 default n !! 238 depends on SPARC64 && PROC_FS
>> 239 default y
125 help 240 help
126 This config enables gcc to generate !! 241 This kernel feature is useful for number crunching applications
127 the kernel which in general will imp !! 242 that may need to compute untrusted bytecode during their
128 binary size. !! 243 execution. By using pipes or other transports made available to
129 !! 244 the process as file descriptors supporting the read/write
130 Select this if your implementation h !! 245 syscalls, it's possible to isolate those applications in
131 l.cmov conistional move instruction. !! 246 their own address space using seccomp. Once seccomp is
132 !! 247 enabled via /proc/<pid>/seccomp, it cannot be disabled
133 Say N if you are unsure. !! 248 and the task is only allowed to execute a few safe syscalls
134 !! 249 defined by each seccomp mode.
135 config OPENRISC_HAVE_INST_ROR !! 250
136 bool "Have instruction l.ror for rotat !! 251 If unsure, say Y. Only embedded should say N here.
137 default n !! 252
>> 253 config HOTPLUG_CPU
>> 254 bool "Support for hot-pluggable CPUs"
>> 255 depends on SPARC64 && SMP
>> 256 help
>> 257 Say Y here to experiment with turning CPUs off and on. CPUs
>> 258 can be controlled through /sys/devices/system/cpu/cpu#.
>> 259 Say N if you want to disable CPU hotplug.
>> 260
>> 261 if SPARC64
>> 262 source "drivers/cpufreq/Kconfig"
>> 263 endif
>> 264
>> 265 config US3_MC
>> 266 tristate "UltraSPARC-III Memory Controller driver"
>> 267 depends on SPARC64
>> 268 default y
138 help 269 help
139 This config enables gcc to generate !! 270 This adds a driver for the UltraSPARC-III memory controller.
140 the kernel which in general will imp !! 271 Loading this driver allows exact mnemonic strings to be
141 binary size. !! 272 printed in the event of a memory error, so that the faulty DIMM
>> 273 on the motherboard can be matched to the error.
>> 274
>> 275 If in doubt, say Y, as this information can be very useful.
>> 276
>> 277 # Global things across all Sun machines.
>> 278 config GENERIC_LOCKBREAK
>> 279 bool
>> 280 default y
>> 281 depends on SPARC64 && SMP && PREEMPT
>> 282
>> 283 config NUMA
>> 284 bool "NUMA support"
>> 285 depends on SPARC64 && SMP
>> 286
>> 287 config NODES_SHIFT
>> 288 int
>> 289 default "4"
>> 290 depends on NEED_MULTIPLE_NODES
>> 291
>> 292 # Some NUMA nodes have memory ranges that span
>> 293 # other nodes. Even though a pfn is valid and
>> 294 # between a node's start and end pfns, it may not
>> 295 # reside on that node. See memmap_init_zone()
>> 296 # for details.
>> 297 config NODES_SPAN_OTHER_NODES
>> 298 def_bool y
>> 299 depends on NEED_MULTIPLE_NODES
142 300
143 Select this if your implementation h !! 301 config ARCH_SELECT_MEMORY_MODEL
144 l.ror rotate right instruction. !! 302 def_bool y if SPARC64
145 303
146 Say N if you are unsure. !! 304 config ARCH_SPARSEMEM_ENABLE
>> 305 def_bool y if SPARC64
>> 306 select SPARSEMEM_VMEMMAP_ENABLE
147 307
148 config OPENRISC_HAVE_INST_RORI !! 308 config ARCH_SPARSEMEM_DEFAULT
149 bool "Have instruction l.rori for rota !! 309 def_bool y if SPARC64
150 default n <<
151 help <<
152 This config enables gcc to generate <<
153 the kernel which in general will imp <<
154 binary size. <<
155 310
156 Select this if your implementation h !! 311 source "mm/Kconfig"
157 l.rori rotate right with immediate i <<
158 312
159 Say N if you are unsure. !! 313 if SPARC64
>> 314 source "kernel/power/Kconfig"
>> 315 endif
160 316
161 config OPENRISC_HAVE_INST_SEXT !! 317 config SCHED_SMT
162 bool "Have instructions l.ext* for sig !! 318 bool "SMT (Hyperthreading) scheduler support"
163 default n !! 319 depends on SPARC64 && SMP
>> 320 default y
164 help 321 help
165 This config enables gcc to generate !! 322 SMT scheduler support improves the CPU scheduler's decision making
166 the kernel which in general will imp !! 323 when dealing with SPARC cpus at a cost of slightly increased overhead
167 binary size. !! 324 in some places. If unsure say N here.
>> 325
>> 326 config SCHED_MC
>> 327 bool "Multi-core scheduler support"
>> 328 depends on SPARC64 && SMP
>> 329 default y
>> 330 help
>> 331 Multi-core scheduler support improves the CPU scheduler's decision
>> 332 making when dealing with multi-core CPU chips at a cost of slightly
>> 333 increased overhead in some places. If unsure say N here.
>> 334
>> 335 source "kernel/Kconfig.preempt"
>> 336
>> 337 config CMDLINE_BOOL
>> 338 bool "Default bootloader kernel arguments"
>> 339 depends on SPARC64
168 340
169 Select this if your implementation h !! 341 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 342 string "Initial kernel command string"
>> 343 depends on CMDLINE_BOOL
>> 344 default "console=ttyS0,9600 root=/dev/sda1"
>> 345 help
>> 346 Say Y here if you want to be able to pass default arguments to
>> 347 the kernel. This will be overridden by the bootloader, if you
>> 348 use one (such as SILO). This is most useful if you want to boot
>> 349 a kernel from TFTP, and want default options to be available
>> 350 with having them passed on the command line.
>> 351
>> 352 NOTE: This option WILL override the PROM bootargs setting!
>> 353
>> 354 config SUN_PM
>> 355 bool
>> 356 default y if SPARC32
>> 357 help
>> 358 Enable power management and CPU standby features on supported
>> 359 SPARC platforms.
>> 360
>> 361 config SPARC_LED
>> 362 tristate "Sun4m LED driver"
>> 363 depends on SPARC32
>> 364 help
>> 365 This driver toggles the front-panel LED on sun4m systems
>> 366 in a user-specifiable manner. Its state can be probed
>> 367 by reading /proc/led and its blinking mode can be changed
>> 368 via writes to /proc/led
>> 369
>> 370 config SERIAL_CONSOLE
>> 371 bool
>> 372 depends on SPARC32
>> 373 default y
>> 374 ---help---
>> 375 If you say Y here, it will be possible to use a serial port as the
>> 376 system console (the system console is the device which receives all
>> 377 kernel messages and warnings and which allows logins in single user
>> 378 mode). This could be useful if some terminal or printer is connected
>> 379 to that serial port.
>> 380
>> 381 Even if you say Y here, the currently visible virtual console
>> 382 (/dev/tty0) will still be used as the system console by default, but
>> 383 you can alter that using a kernel command line option such as
>> 384 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 385 your boot loader (silo) about how to pass options to the kernel at
>> 386 boot time.)
>> 387
>> 388 If you don't have a graphics card installed and you say Y here, the
>> 389 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 390 system console.
>> 391
>> 392 If unsure, say N.
>> 393
>> 394 config SPARC_LEON
>> 395 bool "Sparc Leon processor family"
>> 396 depends on SPARC32
>> 397 select USB_EHCI_BIG_ENDIAN_MMIO
>> 398 select USB_EHCI_BIG_ENDIAN_DESC
>> 399 ---help---
>> 400 If you say Y here if you are running on a SPARC-LEON processor.
>> 401 The LEON processor is a synthesizable VHDL model of the
>> 402 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 403 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 404 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 405 toolchain at www.gaisler.com.
>> 406
>> 407 if SPARC_LEON
>> 408 menu "U-Boot options"
>> 409
>> 410 config UBOOT_LOAD_ADDR
>> 411 hex "uImage Load Address"
>> 412 default 0x40004000
>> 413 ---help---
>> 414 U-Boot kernel load address, the address in physical address space
>> 415 where u-boot will place the Linux kernel before booting it.
>> 416 This address is normally the base address of main memory + 0x4000.
>> 417
>> 418 config UBOOT_FLASH_ADDR
>> 419 hex "uImage.o Load Address"
>> 420 default 0x00080000
>> 421 ---help---
>> 422 Optional setting only affecting the uImage.o ELF-image used to
>> 423 download the uImage file to the target using a ELF-loader other than
>> 424 U-Boot. It may for example be used to download an uImage to FLASH with
>> 425 the GRMON utility before even starting u-boot.
>> 426
>> 427 config UBOOT_ENTRY_ADDR
>> 428 hex "uImage Entry Address"
>> 429 default 0xf0004000
>> 430 ---help---
>> 431 Do not change this unless you know what you're doing. This is
>> 432 hardcoded by the SPARC32 and LEON port.
171 433
172 Say N if you are unsure. !! 434 This is the virtual address u-boot jumps to when booting the Linux
>> 435 Kernel.
173 436
174 endmenu 437 endmenu
>> 438 endif
175 439
176 config NR_CPUS !! 440 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. <<
188 441
189 If you don't know what to do here, s !! 442 menu "Bus options (PCI etc.)"
>> 443 config SBUS
>> 444 bool
>> 445 default y
190 446
191 config FPU !! 447 config SBUSCHAR
192 bool "FPU support" !! 448 bool
193 default y 449 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 450
198 If you don't know what to do here, s !! 451 config SUN_LDOMS
>> 452 bool "Sun Logical Domains support"
>> 453 depends on SPARC64
>> 454 help
>> 455 Say Y here is you want to support virtual devices via
>> 456 Logical Domains.
>> 457
>> 458 config PCI
>> 459 bool "Support for PCI and PS/2 keyboard/mouse"
>> 460 help
>> 461 Find out whether your system includes a PCI bus. PCI is the name of
>> 462 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 463 your box. If you say Y here, the kernel will include drivers and
>> 464 infrastructure code to support PCI bus devices.
>> 465
>> 466 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 467 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 468 All of these platforms are extremely obscure, so say N if unsure.
>> 469
>> 470 config PCI_DOMAINS
>> 471 def_bool PCI if SPARC64
>> 472
>> 473 config PCI_SYSCALL
>> 474 def_bool PCI
>> 475
>> 476 config PCIC_PCI
>> 477 bool
>> 478 depends on PCI && SPARC32 && !SPARC_LEON
>> 479 default y
199 480
200 source "kernel/Kconfig.hz" !! 481 config LEON_PCI
>> 482 bool
>> 483 depends on PCI && SPARC_LEON
>> 484 default y
201 485
202 config OPENRISC_NO_SPR_SR_DSX !! 486 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 487 bool "GRPCI Host Bridge Support"
>> 488 depends on LEON_PCI
204 default y 489 default y
205 help 490 help
206 SPR_SR_DSX bit is status register bi !! 491 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 492 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 493 systems. The driver has one property (all_pci_errors) controlled
>> 494 from the bootloader that makes the GRPCI to generate interrupts
>> 495 on detected PCI Parity and System errors.
>> 496
>> 497 config SPARC_GRPCI2
>> 498 bool "GRPCI2 Host Bridge Support"
>> 499 depends on LEON_PCI
>> 500 default y
>> 501 help
>> 502 Say Y here to include the GRPCI2 Host Bridge Driver.
208 503
209 OpenRISC architecture makes it optio !! 504 source "drivers/pci/Kconfig"
210 in hardware and the OR1200 does not <<
211 505
212 Say N here if you know that your Ope !! 506 source "drivers/pcmcia/Kconfig"
213 SPR_SR_DSX bit implemented. Say Y if <<
214 507
215 config OPENRISC_HAVE_SHADOW_GPRS !! 508 config SUN_OPENPROMFS
216 bool "Support for shadow gpr files" if !! 509 tristate "Openprom tree appears in /proc/openprom"
217 default y if SMP <<
218 help 510 help
219 Say Y here if your OpenRISC processo !! 511 If you say Y, the OpenPROM device tree will be available as a
220 register files. They will in such ca !! 512 virtual file system, which you can mount to /proc/openprom by "mount
221 scratch reg storage on exception ent !! 513 -t openpromfs none /proc/openprom".
222 514
223 On SMP systems, this feature is mand !! 515 To compile the /proc/openprom support as a module, choose M here: the
224 On a unicore system it's safe to say !! 516 module will be called openpromfs.
225 517
226 config CMDLINE !! 518 Only choose N if you know in advance that you will not need to modify
227 string "Default kernel command string" !! 519 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. <<
234 520
235 menu "Debugging options" !! 521 # Makefile helpers
>> 522 config SPARC64_PCI
>> 523 bool
>> 524 default y
>> 525 depends on SPARC64 && PCI
236 526
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 527 config SPARC64_PCI_MSI
238 bool "Try to die gracefully" !! 528 bool
239 default y 529 default y
240 help !! 530 depends on SPARC64_PCI && PCI_MSI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 531
244 Say Y if you are unsure. !! 532 endmenu
245 533
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 534 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. <<
252 535
253 Say N if you are unsure. !! 536 source "fs/Kconfig.binfmt"
254 537
255 endmenu !! 538 config COMPAT
>> 539 bool
>> 540 depends on SPARC64
>> 541 default y
>> 542 select COMPAT_BINFMT_ELF if BINFMT_ELF
>> 543 select HAVE_UID16
>> 544 select ARCH_WANT_OLD_COMPAT_IPC
>> 545 select COMPAT_OLD_SIGACTION
>> 546
>> 547 config SYSVIPC_COMPAT
>> 548 bool
>> 549 depends on COMPAT && SYSVIPC
>> 550 default y
256 551
257 endmenu 552 endmenu
>> 553
>> 554 source "net/Kconfig"
>> 555
>> 556 source "drivers/Kconfig"
>> 557
>> 558 source "drivers/sbus/char/Kconfig"
>> 559
>> 560 source "fs/Kconfig"
>> 561
>> 562 source "arch/sparc/Kconfig.debug"
>> 563
>> 564 source "security/Kconfig"
>> 565
>> 566 source "crypto/Kconfig"
>> 567
>> 568 source "lib/Kconfig"
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