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