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_DMA_API_DEBUG
>> 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 ODD_RT_SIGACTION
34 select OR1K_PIC !! 43 select OLD_SIGSUSPEND
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 44 select ARCH_HAS_SG_CHAIN
>> 45 select CPU_NO_EFFICIENT_FFS
>> 46 select LOCKDEP_SMALL if LOCKDEP
>> 47
>> 48 config SPARC32
>> 49 def_bool !64BIT
>> 50 select GENERIC_ATOMIC64
>> 51 select CLZ_TAB
>> 52 select HAVE_UID16
>> 53 select OLD_SIGACTION
>> 54
>> 55 config SPARC64
>> 56 def_bool 64BIT
>> 57 select HAVE_FUNCTION_TRACER
>> 58 select HAVE_FUNCTION_GRAPH_TRACER
>> 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 select HAVE_NMI
>> 84 select HAVE_REGS_AND_STACK_ACCESS_API
36 select ARCH_USE_QUEUED_RWLOCKS 85 select ARCH_USE_QUEUED_RWLOCKS
37 select OMPIC if SMP !! 86 select ARCH_USE_QUEUED_SPINLOCKS
38 select PCI_DOMAINS_GENERIC if PCI !! 87 select GENERIC_TIME_VSYSCALL
39 select PCI_MSI if PCI !! 88 select ARCH_CLOCKSOURCE_DATA
40 select ARCH_WANT_FRAME_POINTERS !! 89
41 select GENERIC_IRQ_MULTI_HANDLER !! 90 config ARCH_DEFCONFIG
42 select MMU_GATHER_NO_RANGE if MMU !! 91 string
43 select TRACE_IRQFLAGS_SUPPORT !! 92 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 93 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
>> 94
>> 95 config ARCH_PROC_KCORE_TEXT
>> 96 def_bool y
44 97
45 config CPU_BIG_ENDIAN 98 config CPU_BIG_ENDIAN
46 def_bool y 99 def_bool y
47 100
>> 101 config ARCH_ATU
>> 102 bool
>> 103 default y if SPARC64
>> 104
>> 105 config ARCH_DMA_ADDR_T_64BIT
>> 106 bool
>> 107 default y if ARCH_ATU
>> 108
>> 109 config IOMMU_HELPER
>> 110 bool
>> 111 default y if SPARC64
>> 112
>> 113 config STACKTRACE_SUPPORT
>> 114 bool
>> 115 default y if SPARC64
>> 116
>> 117 config LOCKDEP_SUPPORT
>> 118 bool
>> 119 default y if SPARC64
>> 120
>> 121 config ARCH_HIBERNATION_POSSIBLE
>> 122 def_bool y if SPARC64
>> 123
>> 124 config AUDIT_ARCH
>> 125 bool
>> 126 default y
>> 127
>> 128 config HAVE_SETUP_PER_CPU_AREA
>> 129 def_bool y if SPARC64
>> 130
>> 131 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 132 def_bool y if SPARC64
>> 133
>> 134 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 135 def_bool y if SPARC64
>> 136
48 config MMU 137 config MMU
49 def_bool y !! 138 bool
>> 139 default y
50 140
51 config GENERIC_HWEIGHT !! 141 config HIGHMEM
52 def_bool y !! 142 bool
>> 143 default y if SPARC32
>> 144
>> 145 config ZONE_DMA
>> 146 bool
>> 147 default y if SPARC32
53 148
54 config NO_IOPORT_MAP !! 149 config NEED_DMA_MAP_STATE
55 def_bool y 150 def_bool y
56 151
57 # For now, use generic checksum functions !! 152 config NEED_SG_DMA_LENGTH
58 #These can be reimplemented in assembly later <<
59 config GENERIC_CSUM <<
60 def_bool y 153 def_bool y
61 154
62 config STACKTRACE_SUPPORT !! 155 config GENERIC_ISA_DMA
63 def_bool y !! 156 bool
>> 157 default y if SPARC32
64 158
65 config LOCKDEP_SUPPORT !! 159 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
66 def_bool y !! 160 def_bool y if SPARC64
>> 161
>> 162 config PGTABLE_LEVELS
>> 163 default 4 if 64BIT
>> 164 default 3
>> 165
>> 166 config ARCH_SUPPORTS_UPROBES
>> 167 def_bool y if SPARC64
>> 168
>> 169 source "init/Kconfig"
>> 170
>> 171 source "kernel/Kconfig.freezer"
67 172
68 menu "Processor type and features" 173 menu "Processor type and features"
69 174
70 choice !! 175 config SMP
71 prompt "Subarchitecture" !! 176 bool "Symmetric multi-processing support"
72 default OR1K_1200 !! 177 ---help---
>> 178 This enables support for systems with more than one CPU. If you have
>> 179 a system with only one CPU, say N. If you have a system with more
>> 180 than one CPU, say Y.
73 181
74 config OR1K_1200 !! 182 If you say N here, the kernel will run on uni- and multiprocessor
75 bool "OR1200" !! 183 machines, but will use only one CPU of a multiprocessor machine. If
76 help !! 184 you say Y here, the kernel will run on many, but not all,
77 Generic OpenRISC 1200 architecture !! 185 uniprocessor machines. On a uniprocessor machine, the kernel
>> 186 will run faster if you say N here.
>> 187
>> 188 People using multiprocessor machines who say Y here should also say
>> 189 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 190 Management" code will be disabled if you say Y here.
78 191
79 endchoice !! 192 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
>> 193 available at <http://www.tldp.org/docs.html#howto>.
80 194
81 config DCACHE_WRITETHROUGH !! 195 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. <<
89 196
90 If unsure say N here !! 197 config NR_CPUS
>> 198 int "Maximum number of CPUs"
>> 199 depends on SMP
>> 200 range 2 32 if SPARC32
>> 201 range 2 4096 if SPARC64
>> 202 default 32 if SPARC32
>> 203 default 4096 if SPARC64
>> 204
>> 205 source kernel/Kconfig.hz
>> 206
>> 207 config RWSEM_GENERIC_SPINLOCK
>> 208 bool
>> 209 default y if SPARC32
>> 210
>> 211 config RWSEM_XCHGADD_ALGORITHM
>> 212 bool
>> 213 default y if SPARC64
91 214
92 config OPENRISC_BUILTIN_DTB !! 215 config GENERIC_HWEIGHT
93 string "Builtin DTB" !! 216 bool
94 default "" !! 217 default y
95 218
96 menu "Class II Instructions" !! 219 config GENERIC_CALIBRATE_DELAY
>> 220 bool
>> 221 default y
97 222
98 config OPENRISC_HAVE_INST_FF1 !! 223 config ARCH_MAY_HAVE_PC_FDC
99 bool "Have instruction l.ff1" !! 224 bool
100 default y 225 default y
101 help <<
102 Select this if your implementation h <<
103 226
104 config OPENRISC_HAVE_INST_FL1 !! 227 config EMULATED_CMPXCHG
105 bool "Have instruction l.fl1" !! 228 bool
>> 229 default y if SPARC32
>> 230 help
>> 231 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 232 is emulated, and therefore it is not completely atomic.
>> 233
>> 234 # Makefile helpers
>> 235 config SPARC32_SMP
>> 236 bool
106 default y 237 default y
107 help !! 238 depends on SPARC32 && SMP
108 Select this if your implementation h <<
109 239
110 config OPENRISC_HAVE_INST_MUL !! 240 config SPARC64_SMP
111 bool "Have instruction l.mul for hardw !! 241 bool
112 default y 242 default y
113 help !! 243 depends on SPARC64 && SMP
114 Select this if your implementation h <<
115 244
116 config OPENRISC_HAVE_INST_DIV !! 245 config EARLYFB
117 bool "Have instruction l.div for hardw !! 246 bool "Support for early boot text console"
118 default y 247 default y
>> 248 depends on SPARC64
119 help 249 help
120 Select this if your implementation h !! 250 Say Y here to enable a faster early framebuffer boot console.
121 251
122 config OPENRISC_HAVE_INST_CMOV !! 252 config SECCOMP
123 bool "Have instruction l.cmov for cond !! 253 bool "Enable seccomp to safely compute untrusted bytecode"
124 default n !! 254 depends on SPARC64 && PROC_FS
>> 255 default y
>> 256 help
>> 257 This kernel feature is useful for number crunching applications
>> 258 that may need to compute untrusted bytecode during their
>> 259 execution. By using pipes or other transports made available to
>> 260 the process as file descriptors supporting the read/write
>> 261 syscalls, it's possible to isolate those applications in
>> 262 their own address space using seccomp. Once seccomp is
>> 263 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 264 and the task is only allowed to execute a few safe syscalls
>> 265 defined by each seccomp mode.
>> 266
>> 267 If unsure, say Y. Only embedded should say N here.
>> 268
>> 269 config HOTPLUG_CPU
>> 270 bool "Support for hot-pluggable CPUs"
>> 271 depends on SPARC64 && SMP
>> 272 help
>> 273 Say Y here to experiment with turning CPUs off and on. CPUs
>> 274 can be controlled through /sys/devices/system/cpu/cpu#.
>> 275 Say N if you want to disable CPU hotplug.
>> 276
>> 277 if SPARC64
>> 278 source "drivers/cpufreq/Kconfig"
>> 279 endif
>> 280
>> 281 config US3_MC
>> 282 tristate "UltraSPARC-III Memory Controller driver"
>> 283 depends on SPARC64
>> 284 default y
125 help 285 help
126 This config enables gcc to generate !! 286 This adds a driver for the UltraSPARC-III memory controller.
127 the kernel which in general will imp !! 287 Loading this driver allows exact mnemonic strings to be
128 binary size. !! 288 printed in the event of a memory error, so that the faulty DIMM
>> 289 on the motherboard can be matched to the error.
>> 290
>> 291 If in doubt, say Y, as this information can be very useful.
>> 292
>> 293 # Global things across all Sun machines.
>> 294 config GENERIC_LOCKBREAK
>> 295 bool
>> 296 default y
>> 297 depends on SPARC64 && SMP && PREEMPT
129 298
130 Select this if your implementation h !! 299 config NUMA
131 l.cmov conistional move instruction. !! 300 bool "NUMA support"
>> 301 depends on SPARC64 && SMP
>> 302
>> 303 config NODES_SHIFT
>> 304 int "Maximum NUMA Nodes (as a power of 2)"
>> 305 range 4 5 if SPARC64
>> 306 default "5"
>> 307 depends on NEED_MULTIPLE_NODES
>> 308 help
>> 309 Specify the maximum number of NUMA Nodes available on the target
>> 310 system. Increases memory reserved to accommodate various tables.
>> 311
>> 312 # Some NUMA nodes have memory ranges that span
>> 313 # other nodes. Even though a pfn is valid and
>> 314 # between a node's start and end pfns, it may not
>> 315 # reside on that node. See memmap_init_zone()
>> 316 # for details.
>> 317 config NODES_SPAN_OTHER_NODES
>> 318 def_bool y
>> 319 depends on NEED_MULTIPLE_NODES
132 320
133 Say N if you are unsure. !! 321 config ARCH_SELECT_MEMORY_MODEL
>> 322 def_bool y if SPARC64
134 323
135 config OPENRISC_HAVE_INST_ROR !! 324 config ARCH_SPARSEMEM_ENABLE
136 bool "Have instruction l.ror for rotat !! 325 def_bool y if SPARC64
137 default n !! 326 select SPARSEMEM_VMEMMAP_ENABLE
138 help <<
139 This config enables gcc to generate <<
140 the kernel which in general will imp <<
141 binary size. <<
142 327
143 Select this if your implementation h !! 328 config ARCH_SPARSEMEM_DEFAULT
144 l.ror rotate right instruction. !! 329 def_bool y if SPARC64
145 330
146 Say N if you are unsure. !! 331 config FORCE_MAX_ZONEORDER
147 !! 332 int "Maximum zone order"
148 config OPENRISC_HAVE_INST_RORI !! 333 default "13"
149 bool "Have instruction l.rori for rota <<
150 default n <<
151 help 334 help
152 This config enables gcc to generate !! 335 The kernel memory allocator divides physically contiguous memory
153 the kernel which in general will imp !! 336 blocks into "zones", where each zone is a power of two number of
154 binary size. !! 337 pages. This option selects the largest power of two that the kernel
>> 338 keeps in the memory allocator. If you need to allocate very large
>> 339 blocks of physically contiguous memory, then you may need to
>> 340 increase this value.
>> 341
>> 342 This config option is actually maximum order plus one. For example,
>> 343 a value of 13 means that the largest free memory block is 2^12 pages.
155 344
156 Select this if your implementation h !! 345 source "mm/Kconfig"
157 l.rori rotate right with immediate i <<
158 346
159 Say N if you are unsure. !! 347 if SPARC64
>> 348 source "kernel/power/Kconfig"
>> 349 endif
160 350
161 config OPENRISC_HAVE_INST_SEXT !! 351 config SCHED_SMT
162 bool "Have instructions l.ext* for sig !! 352 bool "SMT (Hyperthreading) scheduler support"
163 default n !! 353 depends on SPARC64 && SMP
>> 354 default y
164 help 355 help
165 This config enables gcc to generate !! 356 SMT scheduler support improves the CPU scheduler's decision making
166 the kernel which in general will imp !! 357 when dealing with SPARC cpus at a cost of slightly increased overhead
167 binary size. !! 358 in some places. If unsure say N here.
>> 359
>> 360 config SCHED_MC
>> 361 bool "Multi-core scheduler support"
>> 362 depends on SPARC64 && SMP
>> 363 default y
>> 364 help
>> 365 Multi-core scheduler support improves the CPU scheduler's decision
>> 366 making when dealing with multi-core CPU chips at a cost of slightly
>> 367 increased overhead in some places. If unsure say N here.
>> 368
>> 369 source "kernel/Kconfig.preempt"
>> 370
>> 371 config CMDLINE_BOOL
>> 372 bool "Default bootloader kernel arguments"
>> 373 depends on SPARC64
168 374
169 Select this if your implementation h !! 375 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 376 string "Initial kernel command string"
>> 377 depends on CMDLINE_BOOL
>> 378 default "console=ttyS0,9600 root=/dev/sda1"
>> 379 help
>> 380 Say Y here if you want to be able to pass default arguments to
>> 381 the kernel. This will be overridden by the bootloader, if you
>> 382 use one (such as SILO). This is most useful if you want to boot
>> 383 a kernel from TFTP, and want default options to be available
>> 384 with having them passed on the command line.
>> 385
>> 386 NOTE: This option WILL override the PROM bootargs setting!
>> 387
>> 388 config SUN_PM
>> 389 bool
>> 390 default y if SPARC32
>> 391 help
>> 392 Enable power management and CPU standby features on supported
>> 393 SPARC platforms.
>> 394
>> 395 config SPARC_LED
>> 396 tristate "Sun4m LED driver"
>> 397 depends on SPARC32
>> 398 help
>> 399 This driver toggles the front-panel LED on sun4m systems
>> 400 in a user-specifiable manner. Its state can be probed
>> 401 by reading /proc/led and its blinking mode can be changed
>> 402 via writes to /proc/led
>> 403
>> 404 config SERIAL_CONSOLE
>> 405 bool
>> 406 depends on SPARC32
>> 407 default y
>> 408 ---help---
>> 409 If you say Y here, it will be possible to use a serial port as the
>> 410 system console (the system console is the device which receives all
>> 411 kernel messages and warnings and which allows logins in single user
>> 412 mode). This could be useful if some terminal or printer is connected
>> 413 to that serial port.
>> 414
>> 415 Even if you say Y here, the currently visible virtual console
>> 416 (/dev/tty0) will still be used as the system console by default, but
>> 417 you can alter that using a kernel command line option such as
>> 418 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 419 your boot loader (silo) about how to pass options to the kernel at
>> 420 boot time.)
>> 421
>> 422 If you don't have a graphics card installed and you say Y here, the
>> 423 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 424 system console.
>> 425
>> 426 If unsure, say N.
>> 427
>> 428 config SPARC_LEON
>> 429 bool "Sparc Leon processor family"
>> 430 depends on SPARC32
>> 431 select USB_EHCI_BIG_ENDIAN_MMIO
>> 432 select USB_EHCI_BIG_ENDIAN_DESC
>> 433 select USB_UHCI_BIG_ENDIAN_MMIO
>> 434 select USB_UHCI_BIG_ENDIAN_DESC
>> 435 ---help---
>> 436 If you say Y here if you are running on a SPARC-LEON processor.
>> 437 The LEON processor is a synthesizable VHDL model of the
>> 438 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 439 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 440 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 441 toolchain at www.gaisler.com.
>> 442
>> 443 if SPARC_LEON
>> 444 menu "U-Boot options"
>> 445
>> 446 config UBOOT_LOAD_ADDR
>> 447 hex "uImage Load Address"
>> 448 default 0x40004000
>> 449 ---help---
>> 450 U-Boot kernel load address, the address in physical address space
>> 451 where u-boot will place the Linux kernel before booting it.
>> 452 This address is normally the base address of main memory + 0x4000.
>> 453
>> 454 config UBOOT_FLASH_ADDR
>> 455 hex "uImage.o Load Address"
>> 456 default 0x00080000
>> 457 ---help---
>> 458 Optional setting only affecting the uImage.o ELF-image used to
>> 459 download the uImage file to the target using a ELF-loader other than
>> 460 U-Boot. It may for example be used to download an uImage to FLASH with
>> 461 the GRMON utility before even starting u-boot.
>> 462
>> 463 config UBOOT_ENTRY_ADDR
>> 464 hex "uImage Entry Address"
>> 465 default 0xf0004000
>> 466 ---help---
>> 467 Do not change this unless you know what you're doing. This is
>> 468 hardcoded by the SPARC32 and LEON port.
171 469
172 Say N if you are unsure. !! 470 This is the virtual address u-boot jumps to when booting the Linux
>> 471 Kernel.
173 472
174 endmenu 473 endmenu
>> 474 endif
175 475
176 config NR_CPUS !! 476 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. <<
188 477
189 If you don't know what to do here, s !! 478 menu "Bus options (PCI etc.)"
>> 479 config SBUS
>> 480 bool
>> 481 default y
190 482
191 config FPU !! 483 config SBUSCHAR
192 bool "FPU support" !! 484 bool
193 default y 485 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 486
198 If you don't know what to do here, s !! 487 config SUN_LDOMS
>> 488 bool "Sun Logical Domains support"
>> 489 depends on SPARC64
>> 490 help
>> 491 Say Y here is you want to support virtual devices via
>> 492 Logical Domains.
>> 493
>> 494 config PCI
>> 495 bool "Support for PCI and PS/2 keyboard/mouse"
>> 496 help
>> 497 Find out whether your system includes a PCI bus. PCI is the name of
>> 498 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 499 your box. If you say Y here, the kernel will include drivers and
>> 500 infrastructure code to support PCI bus devices.
>> 501
>> 502 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 503 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 504 All of these platforms are extremely obscure, so say N if unsure.
>> 505
>> 506 config PCI_DOMAINS
>> 507 def_bool PCI if SPARC64
>> 508
>> 509 config PCI_SYSCALL
>> 510 def_bool PCI
>> 511
>> 512 config PCIC_PCI
>> 513 bool
>> 514 depends on PCI && SPARC32 && !SPARC_LEON
>> 515 default y
199 516
200 source "kernel/Kconfig.hz" !! 517 config LEON_PCI
>> 518 bool
>> 519 depends on PCI && SPARC_LEON
>> 520 default y
201 521
202 config OPENRISC_NO_SPR_SR_DSX !! 522 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 523 bool "GRPCI Host Bridge Support"
>> 524 depends on LEON_PCI
204 default y 525 default y
205 help 526 help
206 SPR_SR_DSX bit is status register bi !! 527 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 528 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 529 systems. The driver has one property (all_pci_errors) controlled
>> 530 from the bootloader that makes the GRPCI to generate interrupts
>> 531 on detected PCI Parity and System errors.
>> 532
>> 533 config SPARC_GRPCI2
>> 534 bool "GRPCI2 Host Bridge Support"
>> 535 depends on LEON_PCI
>> 536 default y
>> 537 help
>> 538 Say Y here to include the GRPCI2 Host Bridge Driver.
208 539
209 OpenRISC architecture makes it optio !! 540 source "drivers/pci/Kconfig"
210 in hardware and the OR1200 does not <<
211 541
212 Say N here if you know that your Ope !! 542 source "drivers/pcmcia/Kconfig"
213 SPR_SR_DSX bit implemented. Say Y if <<
214 543
215 config OPENRISC_HAVE_SHADOW_GPRS !! 544 config SUN_OPENPROMFS
216 bool "Support for shadow gpr files" if !! 545 tristate "Openprom tree appears in /proc/openprom"
217 default y if SMP <<
218 help 546 help
219 Say Y here if your OpenRISC processo !! 547 If you say Y, the OpenPROM device tree will be available as a
220 register files. They will in such ca !! 548 virtual file system, which you can mount to /proc/openprom by "mount
221 scratch reg storage on exception ent !! 549 -t openpromfs none /proc/openprom".
222 550
223 On SMP systems, this feature is mand !! 551 To compile the /proc/openprom support as a module, choose M here: the
224 On a unicore system it's safe to say !! 552 module will be called openpromfs.
225 553
226 config CMDLINE !! 554 Only choose N if you know in advance that you will not need to modify
227 string "Default kernel command string" !! 555 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. <<
234 556
235 menu "Debugging options" !! 557 # Makefile helpers
>> 558 config SPARC64_PCI
>> 559 bool
>> 560 default y
>> 561 depends on SPARC64 && PCI
236 562
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 563 config SPARC64_PCI_MSI
238 bool "Try to die gracefully" !! 564 bool
239 default y 565 default y
240 help !! 566 depends on SPARC64_PCI && PCI_MSI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 567
244 Say Y if you are unsure. !! 568 endmenu
245 569
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 570 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. <<
252 571
253 Say N if you are unsure. !! 572 source "fs/Kconfig.binfmt"
254 573
255 endmenu !! 574 config COMPAT
>> 575 bool
>> 576 depends on SPARC64
>> 577 default y
>> 578 select COMPAT_BINFMT_ELF
>> 579 select HAVE_UID16
>> 580 select ARCH_WANT_OLD_COMPAT_IPC
>> 581 select COMPAT_OLD_SIGACTION
>> 582
>> 583 config SYSVIPC_COMPAT
>> 584 bool
>> 585 depends on COMPAT && SYSVIPC
>> 586 default y
256 587
257 endmenu 588 endmenu
>> 589
>> 590 source "net/Kconfig"
>> 591
>> 592 source "drivers/Kconfig"
>> 593
>> 594 source "drivers/sbus/char/Kconfig"
>> 595
>> 596 source "fs/Kconfig"
>> 597
>> 598 source "arch/sparc/Kconfig.debug"
>> 599
>> 600 source "security/Kconfig"
>> 601
>> 602 source "crypto/Kconfig"
>> 603
>> 604 source "lib/Kconfig"
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