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