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
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 ARCH_WANT_RELAX_ORDER
39 select PCI_MSI if PCI <<
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 48
45 config CPU_BIG_ENDIAN !! 49 config SPARC32
>> 50 def_bool !64BIT
>> 51 select GENERIC_ATOMIC64
>> 52 select CLZ_TAB
>> 53 select HAVE_UID16
>> 54 select OLD_SIGACTION
>> 55
>> 56 config SPARC64
>> 57 def_bool 64BIT
>> 58 select HAVE_FUNCTION_TRACER
>> 59 select HAVE_FUNCTION_GRAPH_TRACER
>> 60 select HAVE_KRETPROBES
>> 61 select HAVE_KPROBES
>> 62 select HAVE_RCU_TABLE_FREE if SMP
>> 63 select HAVE_MEMBLOCK
>> 64 select HAVE_MEMBLOCK_NODE_MAP
>> 65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 66 select HAVE_DYNAMIC_FTRACE
>> 67 select HAVE_FTRACE_MCOUNT_RECORD
>> 68 select HAVE_SYSCALL_TRACEPOINTS
>> 69 select HAVE_CONTEXT_TRACKING
>> 70 select HAVE_DEBUG_KMEMLEAK
>> 71 select SPARSE_IRQ
>> 72 select RTC_DRV_CMOS
>> 73 select RTC_DRV_BQ4802
>> 74 select RTC_DRV_SUN4V
>> 75 select RTC_DRV_STARFIRE
>> 76 select HAVE_PERF_EVENTS
>> 77 select PERF_USE_VMALLOC
>> 78 select IRQ_PREFLOW_FASTEOI
>> 79 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 80 select HAVE_C_RECORDMCOUNT
>> 81 select NO_BOOTMEM
>> 82 select HAVE_ARCH_AUDITSYSCALL
>> 83 select ARCH_SUPPORTS_ATOMIC_RMW
>> 84 select HAVE_NMI
>> 85 select HAVE_REGS_AND_STACK_ACCESS_API
>> 86
>> 87 config ARCH_DEFCONFIG
>> 88 string
>> 89 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 90 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
>> 91
>> 92 config ARCH_PROC_KCORE_TEXT
46 def_bool y 93 def_bool y
47 94
>> 95 config ARCH_ATU
>> 96 bool
>> 97 default y if SPARC64
>> 98
>> 99 config ARCH_DMA_ADDR_T_64BIT
>> 100 bool
>> 101 default y if ARCH_ATU
>> 102
>> 103 config IOMMU_HELPER
>> 104 bool
>> 105 default y if SPARC64
>> 106
>> 107 config STACKTRACE_SUPPORT
>> 108 bool
>> 109 default y if SPARC64
>> 110
>> 111 config LOCKDEP_SUPPORT
>> 112 bool
>> 113 default y if SPARC64
>> 114
>> 115 config ARCH_HIBERNATION_POSSIBLE
>> 116 def_bool y if SPARC64
>> 117
>> 118 config AUDIT_ARCH
>> 119 bool
>> 120 default y
>> 121
>> 122 config HAVE_SETUP_PER_CPU_AREA
>> 123 def_bool y if SPARC64
>> 124
>> 125 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 126 def_bool y if SPARC64
>> 127
>> 128 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 129 def_bool y if SPARC64
>> 130
48 config MMU 131 config MMU
49 def_bool y !! 132 bool
>> 133 default y
50 134
51 config GENERIC_HWEIGHT !! 135 config HIGHMEM
52 def_bool y !! 136 bool
>> 137 default y if SPARC32
>> 138
>> 139 config ZONE_DMA
>> 140 bool
>> 141 default y if SPARC32
53 142
54 config NO_IOPORT_MAP !! 143 config NEED_DMA_MAP_STATE
55 def_bool y 144 def_bool y
56 145
57 # For now, use generic checksum functions !! 146 config NEED_SG_DMA_LENGTH
58 #These can be reimplemented in assembly later <<
59 config GENERIC_CSUM <<
60 def_bool y 147 def_bool y
61 148
62 config STACKTRACE_SUPPORT !! 149 config GENERIC_ISA_DMA
63 def_bool y !! 150 bool
>> 151 default y if SPARC32
64 152
65 config LOCKDEP_SUPPORT !! 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
66 def_bool y !! 154 def_bool y if SPARC64
>> 155
>> 156 config PGTABLE_LEVELS
>> 157 default 4 if 64BIT
>> 158 default 3
>> 159
>> 160 config ARCH_SUPPORTS_UPROBES
>> 161 def_bool y if SPARC64
>> 162
>> 163 source "init/Kconfig"
>> 164
>> 165 source "kernel/Kconfig.freezer"
67 166
68 menu "Processor type and features" 167 menu "Processor type and features"
69 168
70 choice !! 169 config SMP
71 prompt "Subarchitecture" !! 170 bool "Symmetric multi-processing support"
72 default OR1K_1200 !! 171 ---help---
>> 172 This enables support for systems with more than one CPU. If you have
>> 173 a system with only one CPU, say N. If you have a system with more
>> 174 than one CPU, say Y.
73 175
74 config OR1K_1200 !! 176 If you say N here, the kernel will run on uni- and multiprocessor
75 bool "OR1200" !! 177 machines, but will use only one CPU of a multiprocessor machine. If
76 help !! 178 you say Y here, the kernel will run on many, but not all,
77 Generic OpenRISC 1200 architecture !! 179 uniprocessor machines. On a uniprocessor machine, the kernel
>> 180 will run faster if you say N here.
>> 181
>> 182 People using multiprocessor machines who say Y here should also say
>> 183 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 184 Management" code will be disabled if you say Y here.
78 185
79 endchoice !! 186 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
>> 187 available at <http://www.tldp.org/docs.html#howto>.
80 188
81 config DCACHE_WRITETHROUGH !! 189 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. <<
89 190
90 If unsure say N here !! 191 config NR_CPUS
>> 192 int "Maximum number of CPUs"
>> 193 depends on SMP
>> 194 range 2 32 if SPARC32
>> 195 range 2 4096 if SPARC64
>> 196 default 32 if SPARC32
>> 197 default 4096 if SPARC64
>> 198
>> 199 source kernel/Kconfig.hz
>> 200
>> 201 config RWSEM_GENERIC_SPINLOCK
>> 202 bool
>> 203 default y if SPARC32
>> 204
>> 205 config RWSEM_XCHGADD_ALGORITHM
>> 206 bool
>> 207 default y if SPARC64
91 208
92 config OPENRISC_BUILTIN_DTB !! 209 config GENERIC_HWEIGHT
93 string "Builtin DTB" !! 210 bool
94 default "" !! 211 default y
95 212
96 menu "Class II Instructions" !! 213 config GENERIC_CALIBRATE_DELAY
>> 214 bool
>> 215 default y
97 216
98 config OPENRISC_HAVE_INST_FF1 !! 217 config ARCH_MAY_HAVE_PC_FDC
99 bool "Have instruction l.ff1" !! 218 bool
100 default y 219 default y
101 help <<
102 Select this if your implementation h <<
103 220
104 config OPENRISC_HAVE_INST_FL1 !! 221 config EMULATED_CMPXCHG
105 bool "Have instruction l.fl1" !! 222 bool
>> 223 default y if SPARC32
>> 224 help
>> 225 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 226 is emulated, and therefore it is not completely atomic.
>> 227
>> 228 # Makefile helpers
>> 229 config SPARC32_SMP
>> 230 bool
106 default y 231 default y
107 help !! 232 depends on SPARC32 && SMP
108 Select this if your implementation h <<
109 233
110 config OPENRISC_HAVE_INST_MUL !! 234 config SPARC64_SMP
111 bool "Have instruction l.mul for hardw !! 235 bool
112 default y 236 default y
113 help !! 237 depends on SPARC64 && SMP
114 Select this if your implementation h <<
115 238
116 config OPENRISC_HAVE_INST_DIV !! 239 config EARLYFB
117 bool "Have instruction l.div for hardw !! 240 bool "Support for early boot text console"
118 default y 241 default y
>> 242 depends on SPARC64
119 help 243 help
120 Select this if your implementation h !! 244 Say Y here to enable a faster early framebuffer boot console.
121 245
122 config OPENRISC_HAVE_INST_CMOV !! 246 config SECCOMP
123 bool "Have instruction l.cmov for cond !! 247 bool "Enable seccomp to safely compute untrusted bytecode"
124 default n !! 248 depends on SPARC64 && PROC_FS
>> 249 default y
125 help 250 help
126 This config enables gcc to generate !! 251 This kernel feature is useful for number crunching applications
127 the kernel which in general will imp !! 252 that may need to compute untrusted bytecode during their
128 binary size. !! 253 execution. By using pipes or other transports made available to
129 !! 254 the process as file descriptors supporting the read/write
130 Select this if your implementation h !! 255 syscalls, it's possible to isolate those applications in
131 l.cmov conistional move instruction. !! 256 their own address space using seccomp. Once seccomp is
>> 257 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 258 and the task is only allowed to execute a few safe syscalls
>> 259 defined by each seccomp mode.
>> 260
>> 261 If unsure, say Y. Only embedded should say N here.
>> 262
>> 263 config HOTPLUG_CPU
>> 264 bool "Support for hot-pluggable CPUs"
>> 265 depends on SPARC64 && SMP
>> 266 help
>> 267 Say Y here to experiment with turning CPUs off and on. CPUs
>> 268 can be controlled through /sys/devices/system/cpu/cpu#.
>> 269 Say N if you want to disable CPU hotplug.
>> 270
>> 271 if SPARC64
>> 272 source "drivers/cpufreq/Kconfig"
>> 273 endif
>> 274
>> 275 config US3_MC
>> 276 tristate "UltraSPARC-III Memory Controller driver"
>> 277 depends on SPARC64
>> 278 default y
>> 279 help
>> 280 This adds a driver for the UltraSPARC-III memory controller.
>> 281 Loading this driver allows exact mnemonic strings to be
>> 282 printed in the event of a memory error, so that the faulty DIMM
>> 283 on the motherboard can be matched to the error.
>> 284
>> 285 If in doubt, say Y, as this information can be very useful.
>> 286
>> 287 # Global things across all Sun machines.
>> 288 config GENERIC_LOCKBREAK
>> 289 bool
>> 290 default y
>> 291 depends on SPARC64 && SMP && PREEMPT
132 292
133 Say N if you are unsure. !! 293 config NUMA
>> 294 bool "NUMA support"
>> 295 depends on SPARC64 && SMP
>> 296
>> 297 config NODES_SHIFT
>> 298 int "Maximum NUMA Nodes (as a power of 2)"
>> 299 range 4 5 if SPARC64
>> 300 default "5"
>> 301 depends on NEED_MULTIPLE_NODES
>> 302 help
>> 303 Specify the maximum number of NUMA Nodes available on the target
>> 304 system. Increases memory reserved to accommodate various tables.
>> 305
>> 306 # Some NUMA nodes have memory ranges that span
>> 307 # other nodes. Even though a pfn is valid and
>> 308 # between a node's start and end pfns, it may not
>> 309 # reside on that node. See memmap_init_zone()
>> 310 # for details.
>> 311 config NODES_SPAN_OTHER_NODES
>> 312 def_bool y
>> 313 depends on NEED_MULTIPLE_NODES
134 314
135 config OPENRISC_HAVE_INST_ROR !! 315 config ARCH_SELECT_MEMORY_MODEL
136 bool "Have instruction l.ror for rotat !! 316 def_bool y if SPARC64
137 default n <<
138 help <<
139 This config enables gcc to generate <<
140 the kernel which in general will imp <<
141 binary size. <<
142 317
143 Select this if your implementation h !! 318 config ARCH_SPARSEMEM_ENABLE
144 l.ror rotate right instruction. !! 319 def_bool y if SPARC64
>> 320 select SPARSEMEM_VMEMMAP_ENABLE
145 321
146 Say N if you are unsure. !! 322 config ARCH_SPARSEMEM_DEFAULT
>> 323 def_bool y if SPARC64
147 324
148 config OPENRISC_HAVE_INST_RORI !! 325 config FORCE_MAX_ZONEORDER
149 bool "Have instruction l.rori for rota !! 326 int "Maximum zone order"
150 default n !! 327 default "13"
151 help 328 help
152 This config enables gcc to generate !! 329 The kernel memory allocator divides physically contiguous memory
153 the kernel which in general will imp !! 330 blocks into "zones", where each zone is a power of two number of
154 binary size. !! 331 pages. This option selects the largest power of two that the kernel
>> 332 keeps in the memory allocator. If you need to allocate very large
>> 333 blocks of physically contiguous memory, then you may need to
>> 334 increase this value.
>> 335
>> 336 This config option is actually maximum order plus one. For example,
>> 337 a value of 13 means that the largest free memory block is 2^12 pages.
155 338
156 Select this if your implementation h !! 339 source "mm/Kconfig"
157 l.rori rotate right with immediate i <<
158 340
159 Say N if you are unsure. !! 341 if SPARC64
>> 342 source "kernel/power/Kconfig"
>> 343 endif
160 344
161 config OPENRISC_HAVE_INST_SEXT !! 345 config SCHED_SMT
162 bool "Have instructions l.ext* for sig !! 346 bool "SMT (Hyperthreading) scheduler support"
163 default n !! 347 depends on SPARC64 && SMP
>> 348 default y
164 help 349 help
165 This config enables gcc to generate !! 350 SMT scheduler support improves the CPU scheduler's decision making
166 the kernel which in general will imp !! 351 when dealing with SPARC cpus at a cost of slightly increased overhead
167 binary size. !! 352 in some places. If unsure say N here.
>> 353
>> 354 config SCHED_MC
>> 355 bool "Multi-core scheduler support"
>> 356 depends on SPARC64 && SMP
>> 357 default y
>> 358 help
>> 359 Multi-core scheduler support improves the CPU scheduler's decision
>> 360 making when dealing with multi-core CPU chips at a cost of slightly
>> 361 increased overhead in some places. If unsure say N here.
>> 362
>> 363 source "kernel/Kconfig.preempt"
>> 364
>> 365 config CMDLINE_BOOL
>> 366 bool "Default bootloader kernel arguments"
>> 367 depends on SPARC64
168 368
169 Select this if your implementation h !! 369 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 370 string "Initial kernel command string"
>> 371 depends on CMDLINE_BOOL
>> 372 default "console=ttyS0,9600 root=/dev/sda1"
>> 373 help
>> 374 Say Y here if you want to be able to pass default arguments to
>> 375 the kernel. This will be overridden by the bootloader, if you
>> 376 use one (such as SILO). This is most useful if you want to boot
>> 377 a kernel from TFTP, and want default options to be available
>> 378 with having them passed on the command line.
>> 379
>> 380 NOTE: This option WILL override the PROM bootargs setting!
>> 381
>> 382 config SUN_PM
>> 383 bool
>> 384 default y if SPARC32
>> 385 help
>> 386 Enable power management and CPU standby features on supported
>> 387 SPARC platforms.
>> 388
>> 389 config SPARC_LED
>> 390 tristate "Sun4m LED driver"
>> 391 depends on SPARC32
>> 392 help
>> 393 This driver toggles the front-panel LED on sun4m systems
>> 394 in a user-specifiable manner. Its state can be probed
>> 395 by reading /proc/led and its blinking mode can be changed
>> 396 via writes to /proc/led
>> 397
>> 398 config SERIAL_CONSOLE
>> 399 bool
>> 400 depends on SPARC32
>> 401 default y
>> 402 ---help---
>> 403 If you say Y here, it will be possible to use a serial port as the
>> 404 system console (the system console is the device which receives all
>> 405 kernel messages and warnings and which allows logins in single user
>> 406 mode). This could be useful if some terminal or printer is connected
>> 407 to that serial port.
>> 408
>> 409 Even if you say Y here, the currently visible virtual console
>> 410 (/dev/tty0) will still be used as the system console by default, but
>> 411 you can alter that using a kernel command line option such as
>> 412 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 413 your boot loader (silo) about how to pass options to the kernel at
>> 414 boot time.)
>> 415
>> 416 If you don't have a graphics card installed and you say Y here, the
>> 417 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 418 system console.
>> 419
>> 420 If unsure, say N.
>> 421
>> 422 config SPARC_LEON
>> 423 bool "Sparc Leon processor family"
>> 424 depends on SPARC32
>> 425 select USB_EHCI_BIG_ENDIAN_MMIO
>> 426 select USB_EHCI_BIG_ENDIAN_DESC
>> 427 ---help---
>> 428 If you say Y here if you are running on a SPARC-LEON processor.
>> 429 The LEON processor is a synthesizable VHDL model of the
>> 430 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 431 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 432 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 433 toolchain at www.gaisler.com.
>> 434
>> 435 if SPARC_LEON
>> 436 menu "U-Boot options"
>> 437
>> 438 config UBOOT_LOAD_ADDR
>> 439 hex "uImage Load Address"
>> 440 default 0x40004000
>> 441 ---help---
>> 442 U-Boot kernel load address, the address in physical address space
>> 443 where u-boot will place the Linux kernel before booting it.
>> 444 This address is normally the base address of main memory + 0x4000.
>> 445
>> 446 config UBOOT_FLASH_ADDR
>> 447 hex "uImage.o Load Address"
>> 448 default 0x00080000
>> 449 ---help---
>> 450 Optional setting only affecting the uImage.o ELF-image used to
>> 451 download the uImage file to the target using a ELF-loader other than
>> 452 U-Boot. It may for example be used to download an uImage to FLASH with
>> 453 the GRMON utility before even starting u-boot.
>> 454
>> 455 config UBOOT_ENTRY_ADDR
>> 456 hex "uImage Entry Address"
>> 457 default 0xf0004000
>> 458 ---help---
>> 459 Do not change this unless you know what you're doing. This is
>> 460 hardcoded by the SPARC32 and LEON port.
171 461
172 Say N if you are unsure. !! 462 This is the virtual address u-boot jumps to when booting the Linux
>> 463 Kernel.
173 464
174 endmenu 465 endmenu
>> 466 endif
175 467
176 config NR_CPUS !! 468 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. <<
188 469
189 If you don't know what to do here, s !! 470 menu "Bus options (PCI etc.)"
>> 471 config SBUS
>> 472 bool
>> 473 default y
190 474
191 config FPU !! 475 config SBUSCHAR
192 bool "FPU support" !! 476 bool
193 default y 477 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 478
198 If you don't know what to do here, s !! 479 config SUN_LDOMS
>> 480 bool "Sun Logical Domains support"
>> 481 depends on SPARC64
>> 482 help
>> 483 Say Y here is you want to support virtual devices via
>> 484 Logical Domains.
>> 485
>> 486 config PCI
>> 487 bool "Support for PCI and PS/2 keyboard/mouse"
>> 488 help
>> 489 Find out whether your system includes a PCI bus. PCI is the name of
>> 490 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 491 your box. If you say Y here, the kernel will include drivers and
>> 492 infrastructure code to support PCI bus devices.
>> 493
>> 494 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 495 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 496 All of these platforms are extremely obscure, so say N if unsure.
>> 497
>> 498 config PCI_DOMAINS
>> 499 def_bool PCI if SPARC64
>> 500
>> 501 config PCI_SYSCALL
>> 502 def_bool PCI
>> 503
>> 504 config PCIC_PCI
>> 505 bool
>> 506 depends on PCI && SPARC32 && !SPARC_LEON
>> 507 default y
199 508
200 source "kernel/Kconfig.hz" !! 509 config LEON_PCI
>> 510 bool
>> 511 depends on PCI && SPARC_LEON
>> 512 default y
201 513
202 config OPENRISC_NO_SPR_SR_DSX !! 514 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 515 bool "GRPCI Host Bridge Support"
>> 516 depends on LEON_PCI
204 default y 517 default y
205 help 518 help
206 SPR_SR_DSX bit is status register bi !! 519 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 520 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 521 systems. The driver has one property (all_pci_errors) controlled
>> 522 from the bootloader that makes the GRPCI to generate interrupts
>> 523 on detected PCI Parity and System errors.
>> 524
>> 525 config SPARC_GRPCI2
>> 526 bool "GRPCI2 Host Bridge Support"
>> 527 depends on LEON_PCI
>> 528 default y
>> 529 help
>> 530 Say Y here to include the GRPCI2 Host Bridge Driver.
208 531
209 OpenRISC architecture makes it optio !! 532 source "drivers/pci/Kconfig"
210 in hardware and the OR1200 does not <<
211 533
212 Say N here if you know that your Ope !! 534 source "drivers/pcmcia/Kconfig"
213 SPR_SR_DSX bit implemented. Say Y if <<
214 535
215 config OPENRISC_HAVE_SHADOW_GPRS !! 536 config SUN_OPENPROMFS
216 bool "Support for shadow gpr files" if !! 537 tristate "Openprom tree appears in /proc/openprom"
217 default y if SMP <<
218 help 538 help
219 Say Y here if your OpenRISC processo !! 539 If you say Y, the OpenPROM device tree will be available as a
220 register files. They will in such ca !! 540 virtual file system, which you can mount to /proc/openprom by "mount
221 scratch reg storage on exception ent !! 541 -t openpromfs none /proc/openprom".
222 542
223 On SMP systems, this feature is mand !! 543 To compile the /proc/openprom support as a module, choose M here: the
224 On a unicore system it's safe to say !! 544 module will be called openpromfs.
225 545
226 config CMDLINE !! 546 Only choose N if you know in advance that you will not need to modify
227 string "Default kernel command string" !! 547 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. <<
234 548
235 menu "Debugging options" !! 549 # Makefile helpers
>> 550 config SPARC64_PCI
>> 551 bool
>> 552 default y
>> 553 depends on SPARC64 && PCI
236 554
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 555 config SPARC64_PCI_MSI
238 bool "Try to die gracefully" !! 556 bool
239 default y 557 default y
240 help !! 558 depends on SPARC64_PCI && PCI_MSI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 559
244 Say Y if you are unsure. !! 560 endmenu
245 561
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 562 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. <<
252 563
253 Say N if you are unsure. !! 564 source "fs/Kconfig.binfmt"
254 565
255 endmenu !! 566 config COMPAT
>> 567 bool
>> 568 depends on SPARC64
>> 569 default y
>> 570 select COMPAT_BINFMT_ELF
>> 571 select HAVE_UID16
>> 572 select ARCH_WANT_OLD_COMPAT_IPC
>> 573 select COMPAT_OLD_SIGACTION
>> 574
>> 575 config SYSVIPC_COMPAT
>> 576 bool
>> 577 depends on COMPAT && SYSVIPC
>> 578 default y
256 579
257 endmenu 580 endmenu
>> 581
>> 582 source "net/Kconfig"
>> 583
>> 584 source "drivers/Kconfig"
>> 585
>> 586 source "drivers/sbus/char/Kconfig"
>> 587
>> 588 source "fs/Kconfig"
>> 589
>> 590 source "arch/sparc/Kconfig.debug"
>> 591
>> 592 source "security/Kconfig"
>> 593
>> 594 source "crypto/Kconfig"
>> 595
>> 596 source "lib/Kconfig"
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