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