1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 # !! 2 config 64BIT
3 # For a description of the syntax of this conf !! 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
4 # see Documentation/kbuild/kconfig-language.rs !! 4 default "$(ARCH)" = "sparc64"
5 # !! 5 help
>> 6 SPARC is a family of RISC microprocessors designed and marketed by
>> 7 Sun Microsystems, incorporated. They are very widely found in Sun
>> 8 workstations and clones.
6 9
7 config OPENRISC !! 10 Say yes to build a 64-bit kernel - formerly known as sparc64
8 def_bool y !! 11 Say no to build a 32-bit kernel - formerly known as sparc
9 select ARCH_32BIT_OFF_T !! 12
10 select ARCH_HAS_DMA_SET_UNCACHED !! 13 config SPARC
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 14 bool
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 15 default y
13 select COMMON_CLK !! 16 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
>> 17 select ARCH_MIGHT_HAVE_PC_SERIO
>> 18 select DMA_OPS
14 select OF 19 select OF
15 select OF_EARLY_FLATTREE !! 20 select OF_PROMTREE
16 select IRQ_DOMAIN !! 21 select HAVE_ASM_MODVERSIONS
17 select GPIOLIB !! 22 select HAVE_ARCH_KGDB if !SMP || SPARC64
18 select HAVE_ARCH_TRACEHOOK 23 select HAVE_ARCH_TRACEHOOK
19 select SPARSE_IRQ !! 24 select HAVE_ARCH_SECCOMP if SPARC64
20 select GENERIC_IRQ_CHIP !! 25 select HAVE_EXIT_THREAD
21 select GENERIC_IRQ_PROBE !! 26 select HAVE_PCI
>> 27 select SYSCTL_EXCEPTION_TRACE
>> 28 select RTC_CLASS
>> 29 select RTC_DRV_M48T59
>> 30 select RTC_SYSTOHC
>> 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 HAS_IOPORT
25 select GENERIC_CPU_DEVICES !! 36 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
26 select HAVE_PCI !! 37 select HAVE_CBPF_JIT if SPARC32
27 select HAVE_UID16 !! 38 select HAVE_EBPF_JIT if SPARC64
28 select HAVE_PAGE_SIZE_8KB !! 39 select HAVE_DEBUG_BUGVERBOSE
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 40 select GENERIC_SMP_IDLE_THREAD
32 select MODULES_USE_ELF_RELA 41 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 42 select PCI_SYSCALL if PCI
34 select OR1K_PIC !! 43 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 44 select ODD_RT_SIGACTION
36 select ARCH_USE_QUEUED_RWLOCKS !! 45 select OLD_SIGSUSPEND
37 select OMPIC if SMP !! 46 select CPU_NO_EFFICIENT_FFS
38 select PCI_DOMAINS_GENERIC if PCI !! 47 select LOCKDEP_SMALL if LOCKDEP
39 select PCI_MSI if PCI !! 48 select NEED_DMA_MAP_STATE
40 select ARCH_WANT_FRAME_POINTERS !! 49 select NEED_SG_DMA_LENGTH
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT 50 select TRACE_IRQFLAGS_SUPPORT
44 51
45 config CPU_BIG_ENDIAN !! 52 config SPARC32
46 def_bool y !! 53 def_bool !64BIT
47 !! 54 select ARCH_32BIT_OFF_T
48 config MMU !! 55 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
49 def_bool y !! 56 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 57 select CLZ_TAB
>> 58 select DMA_DIRECT_REMAP
>> 59 select GENERIC_ATOMIC64
>> 60 select HAVE_UID16
>> 61 select LOCK_MM_AND_FIND_VMA
>> 62 select OLD_SIGACTION
>> 63 select ZONE_DMA
>> 64
>> 65 config SPARC64
>> 66 def_bool 64BIT
>> 67 select ALTERNATE_USER_ADDRESS_SPACE
>> 68 select HAVE_FUNCTION_TRACER
>> 69 select HAVE_FUNCTION_GRAPH_TRACER
>> 70 select HAVE_KRETPROBES
>> 71 select HAVE_KPROBES
>> 72 select MMU_GATHER_RCU_TABLE_FREE if SMP
>> 73 select MMU_GATHER_MERGE_VMAS
>> 74 select MMU_GATHER_NO_FLUSH_CACHE
>> 75 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 76 select HAVE_DYNAMIC_FTRACE
>> 77 select HAVE_FTRACE_MCOUNT_RECORD
>> 78 select HAVE_SYSCALL_TRACEPOINTS
>> 79 select HAVE_CONTEXT_TRACKING_USER
>> 80 select HAVE_TIF_NOHZ
>> 81 select HAVE_DEBUG_KMEMLEAK
>> 82 select IOMMU_HELPER
>> 83 select SPARSE_IRQ
>> 84 select RTC_DRV_CMOS
>> 85 select RTC_DRV_BQ4802
>> 86 select RTC_DRV_SUN4V
>> 87 select RTC_DRV_STARFIRE
>> 88 select HAVE_PERF_EVENTS
>> 89 select PERF_USE_VMALLOC
>> 90 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 91 select HAVE_C_RECORDMCOUNT
>> 92 select HAVE_ARCH_AUDITSYSCALL
>> 93 select ARCH_SUPPORTS_ATOMIC_RMW
>> 94 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 95 select HAVE_NMI
>> 96 select HAVE_REGS_AND_STACK_ACCESS_API
>> 97 select ARCH_USE_QUEUED_RWLOCKS
>> 98 select ARCH_USE_QUEUED_SPINLOCKS
>> 99 select GENERIC_TIME_VSYSCALL
>> 100 select ARCH_CLOCKSOURCE_DATA
>> 101 select ARCH_HAS_PTE_SPECIAL
>> 102 select PCI_DOMAINS if PCI
>> 103 select ARCH_HAS_GIGANTIC_PAGE
>> 104 select HAVE_SOFTIRQ_ON_OWN_STACK
>> 105 select HAVE_SETUP_PER_CPU_AREA
>> 106 select NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 107 select NEED_PER_CPU_PAGE_FIRST_CHUNK
50 108
51 config GENERIC_HWEIGHT !! 109 config ARCH_PROC_KCORE_TEXT
52 def_bool y 110 def_bool y
53 111
54 config NO_IOPORT_MAP !! 112 config CPU_BIG_ENDIAN
55 def_bool y 113 def_bool y
56 114
57 # For now, use generic checksum functions !! 115 config ARCH_ATU
58 #These can be reimplemented in assembly later !! 116 bool
59 config GENERIC_CSUM !! 117 default y if SPARC64
60 def_bool y <<
61 118
62 config STACKTRACE_SUPPORT 119 config STACKTRACE_SUPPORT
63 def_bool y !! 120 bool
>> 121 default y if SPARC64
64 122
65 config LOCKDEP_SUPPORT 123 config LOCKDEP_SUPPORT
66 def_bool y !! 124 bool
>> 125 default y if SPARC64
67 126
68 menu "Processor type and features" !! 127 config ARCH_HIBERNATION_POSSIBLE
>> 128 def_bool y if SPARC64
69 129
70 choice !! 130 config AUDIT_ARCH
71 prompt "Subarchitecture" !! 131 bool
72 default OR1K_1200 !! 132 default y
73 133
74 config OR1K_1200 !! 134 config MMU
75 bool "OR1200" !! 135 bool
76 help !! 136 default y
77 Generic OpenRISC 1200 architecture !! 137
>> 138 config HIGHMEM
>> 139 bool
>> 140 default y if SPARC32
>> 141 select KMAP_LOCAL
>> 142
>> 143 config GENERIC_ISA_DMA
>> 144 bool
>> 145 default y if SPARC32
>> 146
>> 147 config PGTABLE_LEVELS
>> 148 default 4 if 64BIT
>> 149 default 3
78 150
79 endchoice !! 151 config ARCH_SUPPORTS_UPROBES
>> 152 def_bool y if SPARC64
80 153
81 config DCACHE_WRITETHROUGH !! 154 menu "Processor type and features"
82 bool "Have write through data caches" !! 155
83 default n !! 156 config SMP
>> 157 bool "Symmetric multi-processing support"
84 help 158 help
85 Select this if your implementation f !! 159 This enables support for systems with more than one CPU. If you have
86 Selecting 'N' here will allow the ke !! 160 a system with only one CPU, say N. If you have a system with more
87 caches at relevant times. Most OpenR !! 161 than one CPU, say Y.
88 through data caches. <<
89 162
90 If unsure say N here !! 163 If you say N here, the kernel will run on uni- and multiprocessor
>> 164 machines, but will use only one CPU of a multiprocessor machine. If
>> 165 you say Y here, the kernel will run on many, but not all,
>> 166 uniprocessor machines. On a uniprocessor machine, the kernel
>> 167 will run faster if you say N here.
>> 168
>> 169 People using multiprocessor machines who say Y here should also say
>> 170 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 171 Management" code will be disabled if you say Y here.
91 172
92 config OPENRISC_BUILTIN_DTB !! 173 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
93 string "Builtin DTB" !! 174 available at <https://www.tldp.org/docs.html#howto>.
94 default "" <<
95 175
96 menu "Class II Instructions" !! 176 If you don't know what to do here, say N.
97 177
98 config OPENRISC_HAVE_INST_FF1 !! 178 config NR_CPUS
99 bool "Have instruction l.ff1" !! 179 int "Maximum number of CPUs"
100 default y !! 180 depends on SMP
101 help !! 181 range 2 32 if SPARC32
102 Select this if your implementation h !! 182 range 2 4096 if SPARC64
>> 183 default 32 if SPARC32
>> 184 default 4096 if SPARC64
103 185
104 config OPENRISC_HAVE_INST_FL1 !! 186 source "kernel/Kconfig.hz"
105 bool "Have instruction l.fl1" <<
106 default y <<
107 help <<
108 Select this if your implementation h <<
109 187
110 config OPENRISC_HAVE_INST_MUL !! 188 config GENERIC_HWEIGHT
111 bool "Have instruction l.mul for hardw !! 189 bool
112 default y 190 default y
113 help <<
114 Select this if your implementation h <<
115 191
116 config OPENRISC_HAVE_INST_DIV !! 192 config GENERIC_CALIBRATE_DELAY
117 bool "Have instruction l.div for hardw !! 193 bool
118 default y 194 default y
119 help <<
120 Select this if your implementation h <<
121 195
122 config OPENRISC_HAVE_INST_CMOV !! 196 config ARCH_MAY_HAVE_PC_FDC
123 bool "Have instruction l.cmov for cond !! 197 bool
124 default n !! 198 default y
125 help <<
126 This config enables gcc to generate <<
127 the kernel which in general will imp <<
128 binary size. <<
129 199
130 Select this if your implementation h !! 200 config EMULATED_CMPXCHG
131 l.cmov conistional move instruction. !! 201 bool
>> 202 default y if SPARC32
>> 203 help
>> 204 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 205 is emulated, and therefore it is not completely atomic.
>> 206
>> 207 # Makefile helpers
>> 208 config SPARC32_SMP
>> 209 bool
>> 210 default y
>> 211 depends on SPARC32 && SMP
132 212
133 Say N if you are unsure. !! 213 config SPARC64_SMP
>> 214 bool
>> 215 default y
>> 216 depends on SPARC64 && SMP
134 217
135 config OPENRISC_HAVE_INST_ROR !! 218 config EARLYFB
136 bool "Have instruction l.ror for rotat !! 219 bool "Support for early boot text console"
137 default n !! 220 default y
>> 221 depends on SPARC64
138 help 222 help
139 This config enables gcc to generate !! 223 Say Y here to enable a faster early framebuffer boot console.
140 the kernel which in general will imp <<
141 binary size. <<
142 <<
143 Select this if your implementation h <<
144 l.ror rotate right instruction. <<
145 <<
146 Say N if you are unsure. <<
147 224
148 config OPENRISC_HAVE_INST_RORI !! 225 config HOTPLUG_CPU
149 bool "Have instruction l.rori for rota !! 226 bool "Support for hot-pluggable CPUs"
150 default n !! 227 depends on SPARC64 && SMP
151 help 228 help
152 This config enables gcc to generate !! 229 Say Y here to experiment with turning CPUs off and on. CPUs
153 the kernel which in general will imp !! 230 can be controlled through /sys/devices/system/cpu/cpu#.
154 binary size. !! 231 Say N if you want to disable CPU hotplug.
155 232
156 Select this if your implementation h !! 233 if SPARC64
157 l.rori rotate right with immediate i !! 234 source "drivers/cpufreq/Kconfig"
>> 235 endif
158 236
159 Say N if you are unsure. !! 237 config US3_MC
>> 238 tristate "UltraSPARC-III Memory Controller driver"
>> 239 depends on SPARC64
>> 240 default y
>> 241 help
>> 242 This adds a driver for the UltraSPARC-III memory controller.
>> 243 Loading this driver allows exact mnemonic strings to be
>> 244 printed in the event of a memory error, so that the faulty DIMM
>> 245 on the motherboard can be matched to the error.
>> 246
>> 247 If in doubt, say Y, as this information can be very useful.
>> 248
>> 249 # Global things across all Sun machines.
>> 250 config GENERIC_LOCKBREAK
>> 251 bool
>> 252 default y
>> 253 depends on SPARC64 && SMP && PREEMPTION
160 254
161 config OPENRISC_HAVE_INST_SEXT !! 255 config NUMA
162 bool "Have instructions l.ext* for sig !! 256 bool "NUMA support"
163 default n !! 257 depends on SPARC64 && SMP
>> 258
>> 259 config NODES_SHIFT
>> 260 int "Maximum NUMA Nodes (as a power of 2)"
>> 261 range 4 5 if SPARC64
>> 262 default "5"
>> 263 depends on NUMA
>> 264 help
>> 265 Specify the maximum number of NUMA Nodes available on the target
>> 266 system. Increases memory reserved to accommodate various tables.
>> 267
>> 268 config ARCH_SPARSEMEM_ENABLE
>> 269 def_bool y if SPARC64
>> 270 select SPARSEMEM_VMEMMAP_ENABLE
>> 271
>> 272 config ARCH_SPARSEMEM_DEFAULT
>> 273 def_bool y if SPARC64
>> 274
>> 275 config ARCH_FORCE_MAX_ORDER
>> 276 int "Order of maximal physically contiguous allocations"
>> 277 default "12"
>> 278 help
>> 279 The kernel page allocator limits the size of maximal physically
>> 280 contiguous allocations. The limit is called MAX_ORDER and it
>> 281 defines the maximal power of two of number of pages that can be
>> 282 allocated as a single contiguous block. This option allows
>> 283 overriding the default setting when ability to allocate very
>> 284 large blocks of physically contiguous memory is required.
>> 285
>> 286 Don't change if unsure.
>> 287
>> 288 if SPARC64 || COMPILE_TEST
>> 289 source "kernel/power/Kconfig"
>> 290 endif
>> 291
>> 292 config SCHED_SMT
>> 293 bool "SMT (Hyperthreading) scheduler support"
>> 294 depends on SPARC64 && SMP
>> 295 default y
>> 296 help
>> 297 SMT scheduler support improves the CPU scheduler's decision making
>> 298 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 299 in some places. If unsure say N here.
>> 300
>> 301 config SCHED_MC
>> 302 bool "Multi-core scheduler support"
>> 303 depends on SPARC64 && SMP
>> 304 default y
164 help 305 help
165 This config enables gcc to generate !! 306 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 307 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 308 increased overhead in some places. If unsure say N here.
>> 309
>> 310 config CMDLINE_BOOL
>> 311 bool "Default bootloader kernel arguments"
>> 312 depends on SPARC64
168 313
169 Select this if your implementation h !! 314 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 315 string "Initial kernel command string"
>> 316 depends on CMDLINE_BOOL
>> 317 default "console=ttyS0,9600 root=/dev/sda1"
>> 318 help
>> 319 Say Y here if you want to be able to pass default arguments to
>> 320 the kernel. This will be overridden by the bootloader, if you
>> 321 use one (such as SILO). This is most useful if you want to boot
>> 322 a kernel from TFTP, and want default options to be available
>> 323 with having them passed on the command line.
>> 324
>> 325 NOTE: This option WILL override the PROM bootargs setting!
>> 326
>> 327 config SUN_PM
>> 328 bool
>> 329 default y if SPARC32
>> 330 help
>> 331 Enable power management and CPU standby features on supported
>> 332 SPARC platforms.
>> 333
>> 334 config SPARC_LED
>> 335 tristate "Sun4m LED driver"
>> 336 depends on SPARC32
>> 337 help
>> 338 This driver toggles the front-panel LED on sun4m systems
>> 339 in a user-specifiable manner. Its state can be probed
>> 340 by reading /proc/led and its blinking mode can be changed
>> 341 via writes to /proc/led
>> 342
>> 343 config SERIAL_CONSOLE
>> 344 bool
>> 345 depends on SPARC32
>> 346 default y
>> 347 help
>> 348 If you say Y here, it will be possible to use a serial port as the
>> 349 system console (the system console is the device which receives all
>> 350 kernel messages and warnings and which allows logins in single user
>> 351 mode). This could be useful if some terminal or printer is connected
>> 352 to that serial port.
>> 353
>> 354 Even if you say Y here, the currently visible virtual console
>> 355 (/dev/tty0) will still be used as the system console by default, but
>> 356 you can alter that using a kernel command line option such as
>> 357 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 358 your boot loader (silo) about how to pass options to the kernel at
>> 359 boot time.)
>> 360
>> 361 If you don't have a graphics card installed and you say Y here, the
>> 362 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 363 system console.
>> 364
>> 365 If unsure, say N.
>> 366
>> 367 config SPARC_LEON
>> 368 bool "Sparc Leon processor family"
>> 369 depends on SPARC32
>> 370 select USB_EHCI_BIG_ENDIAN_MMIO
>> 371 select USB_EHCI_BIG_ENDIAN_DESC
>> 372 select USB_UHCI_BIG_ENDIAN_MMIO
>> 373 select USB_UHCI_BIG_ENDIAN_DESC
>> 374 help
>> 375 If you say Y here if you are running on a SPARC-LEON processor.
>> 376 The LEON processor is a synthesizable VHDL model of the
>> 377 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 378 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 379 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 380 toolchain at www.gaisler.com.
>> 381
>> 382 if SPARC_LEON
>> 383 menu "U-Boot options"
>> 384
>> 385 config UBOOT_LOAD_ADDR
>> 386 hex "uImage Load Address"
>> 387 default 0x40004000
>> 388 help
>> 389 U-Boot kernel load address, the address in physical address space
>> 390 where u-boot will place the Linux kernel before booting it.
>> 391 This address is normally the base address of main memory + 0x4000.
>> 392
>> 393 config UBOOT_FLASH_ADDR
>> 394 hex "uImage.o Load Address"
>> 395 default 0x00080000
>> 396 help
>> 397 Optional setting only affecting the uImage.o ELF-image used to
>> 398 download the uImage file to the target using a ELF-loader other than
>> 399 U-Boot. It may for example be used to download an uImage to FLASH with
>> 400 the GRMON utility before even starting u-boot.
>> 401
>> 402 config UBOOT_ENTRY_ADDR
>> 403 hex "uImage Entry Address"
>> 404 default 0xf0004000
>> 405 help
>> 406 Do not change this unless you know what you're doing. This is
>> 407 hardcoded by the SPARC32 and LEON port.
171 408
172 Say N if you are unsure. !! 409 This is the virtual address u-boot jumps to when booting the Linux
>> 410 Kernel.
173 411
174 endmenu 412 endmenu
>> 413 endif
175 414
176 config NR_CPUS !! 415 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. <<
188 416
189 If you don't know what to do here, s !! 417 menu "Bus options (PCI etc.)"
>> 418 config SBUS
>> 419 bool
>> 420 default y
190 421
191 config FPU !! 422 config SBUSCHAR
192 bool "FPU support" !! 423 bool
193 default y 424 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 425
198 If you don't know what to do here, s !! 426 config SUN_LDOMS
>> 427 bool "Sun Logical Domains support"
>> 428 depends on SPARC64
>> 429 help
>> 430 Say Y here is you want to support virtual devices via
>> 431 Logical Domains.
>> 432
>> 433 config PCIC_PCI
>> 434 bool
>> 435 depends on PCI && SPARC32 && !SPARC_LEON
>> 436 default y
199 437
200 source "kernel/Kconfig.hz" !! 438 config LEON_PCI
>> 439 bool
>> 440 depends on PCI && SPARC_LEON
>> 441 default y
201 442
202 config OPENRISC_NO_SPR_SR_DSX !! 443 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 444 bool "GRPCI Host Bridge Support"
>> 445 depends on LEON_PCI
204 default y 446 default y
205 help 447 help
206 SPR_SR_DSX bit is status register bi !! 448 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 449 PCI host controller is typically found in GRLIB SPARC32/LEON
208 !! 450 systems. The driver has one property (all_pci_errors) controlled
209 OpenRISC architecture makes it optio !! 451 from the bootloader that makes the GRPCI to generate interrupts
210 in hardware and the OR1200 does not !! 452 on detected PCI Parity and System errors.
211 !! 453
212 Say N here if you know that your Ope !! 454 config SPARC_GRPCI2
213 SPR_SR_DSX bit implemented. Say Y if !! 455 bool "GRPCI2 Host Bridge Support"
214 !! 456 depends on LEON_PCI
215 config OPENRISC_HAVE_SHADOW_GPRS !! 457 default y
216 bool "Support for shadow gpr files" if <<
217 default y if SMP <<
218 help 458 help
219 Say Y here if your OpenRISC processo !! 459 Say Y here to include the GRPCI2 Host Bridge Driver.
220 register files. They will in such ca <<
221 scratch reg storage on exception ent <<
222 <<
223 On SMP systems, this feature is mand <<
224 On a unicore system it's safe to say <<
225 460
226 config CMDLINE !! 461 config SUN_OPENPROMFS
227 string "Default kernel command string" !! 462 tristate "Openprom tree appears in /proc/openprom"
228 default "" <<
229 help 463 help
230 On some architectures there is curre !! 464 If you say Y, the OpenPROM device tree will be available as a
231 to pass arguments to the kernel. For !! 465 virtual file system, which you can mount to /proc/openprom by "mount
232 supply some command-line options at !! 466 -t openpromfs none /proc/openprom".
233 here. <<
234 <<
235 menu "Debugging options" <<
236 467
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 468 To compile the /proc/openprom support as a module, choose M here: the
238 bool "Try to die gracefully" !! 469 module will be called openpromfs.
239 default y <<
240 help <<
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 470
244 Say Y if you are unsure. !! 471 Only choose N if you know in advance that you will not need to modify
>> 472 OpenPROM settings on the running system.
245 473
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 474 # Makefile helpers
247 bool "Check for possible ESR exception !! 475 config SPARC64_PCI
248 default n !! 476 bool
249 help !! 477 default y
250 This option enables some checks that !! 478 depends on SPARC64 && PCI
251 in kernel. <<
252 479
253 Say N if you are unsure. !! 480 config SPARC64_PCI_MSI
>> 481 bool
>> 482 default y
>> 483 depends on SPARC64_PCI && PCI_MSI
254 484
255 endmenu 485 endmenu
256 486
257 endmenu !! 487 config COMPAT
>> 488 bool
>> 489 depends on SPARC64
>> 490 default y
>> 491 select HAVE_UID16
>> 492 select ARCH_WANT_OLD_COMPAT_IPC
>> 493 select COMPAT_OLD_SIGACTION
>> 494
>> 495 source "drivers/sbus/char/Kconfig"
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