1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 # !! 2 config 64BIT
3 # For a description of the syntax of this conf !! 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
4 # see Documentation/kbuild/kconfig-language.rs !! 4 default "$(ARCH)" = "sparc64"
5 # !! 5 help
>> 6 SPARC is a family of RISC microprocessors designed and marketed by
>> 7 Sun Microsystems, incorporated. They are very widely found in Sun
>> 8 workstations and clones.
6 9
7 config OPENRISC !! 10 Say yes to build a 64-bit kernel - formerly known as sparc64
8 def_bool y !! 11 Say no to build a 32-bit kernel - formerly known as sparc
9 select ARCH_32BIT_OFF_T !! 12
10 select ARCH_HAS_DMA_SET_UNCACHED !! 13 config SPARC
11 select ARCH_HAS_DMA_CLEAR_UNCACHED !! 14 bool
12 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 15 default y
13 select COMMON_CLK !! 16 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
>> 17 select ARCH_MIGHT_HAVE_PC_SERIO
14 select OF 18 select OF
15 select OF_EARLY_FLATTREE !! 19 select OF_PROMTREE
16 select IRQ_DOMAIN !! 20 select HAVE_ASM_MODVERSIONS
17 select GPIOLIB !! 21 select HAVE_IDE
>> 22 select HAVE_OPROFILE
>> 23 select HAVE_ARCH_KGDB if !SMP || SPARC64
18 select HAVE_ARCH_TRACEHOOK 24 select HAVE_ARCH_TRACEHOOK
19 select SPARSE_IRQ !! 25 select HAVE_EXIT_THREAD
20 select GENERIC_IRQ_CHIP !! 26 select HAVE_PCI
21 select GENERIC_IRQ_PROBE !! 27 select SYSCTL_EXCEPTION_TRACE
>> 28 select RTC_CLASS
>> 29 select RTC_DRV_M48T59
>> 30 select RTC_SYSTOHC
>> 31 select HAVE_ARCH_JUMP_LABEL if SPARC64
22 select GENERIC_IRQ_SHOW 32 select GENERIC_IRQ_SHOW
>> 33 select ARCH_WANT_IPC_PARSE_VERSION
23 select GENERIC_PCI_IOMAP 34 select GENERIC_PCI_IOMAP
24 select GENERIC_IOREMAP !! 35 select HAVE_NMI_WATCHDOG if SPARC64
25 select GENERIC_CPU_DEVICES !! 36 select HAVE_CBPF_JIT if SPARC32
26 select HAVE_PCI !! 37 select HAVE_EBPF_JIT if SPARC64
27 select HAVE_UID16 !! 38 select HAVE_DEBUG_BUGVERBOSE
28 select HAVE_PAGE_SIZE_8KB <<
29 select GENERIC_ATOMIC64 <<
30 select GENERIC_CLOCKEVENTS_BROADCAST <<
31 select GENERIC_SMP_IDLE_THREAD 39 select GENERIC_SMP_IDLE_THREAD
>> 40 select GENERIC_CLOCKEVENTS
>> 41 select GENERIC_STRNCPY_FROM_USER
>> 42 select GENERIC_STRNLEN_USER
32 select MODULES_USE_ELF_RELA 43 select MODULES_USE_ELF_RELA
33 select HAVE_DEBUG_STACKOVERFLOW !! 44 select PCI_SYSCALL if PCI
34 select OR1K_PIC !! 45 select ODD_RT_SIGACTION
35 select CPU_NO_EFFICIENT_FFS if !OPENRI !! 46 select OLD_SIGSUSPEND
36 select ARCH_USE_QUEUED_RWLOCKS !! 47 select CPU_NO_EFFICIENT_FFS
37 select OMPIC if SMP !! 48 select LOCKDEP_SMALL if LOCKDEP
38 select PCI_DOMAINS_GENERIC if PCI !! 49 select NEED_DMA_MAP_STATE
39 select PCI_MSI if PCI !! 50 select NEED_SG_DMA_LENGTH
40 select ARCH_WANT_FRAME_POINTERS <<
41 select GENERIC_IRQ_MULTI_HANDLER <<
42 select MMU_GATHER_NO_RANGE if MMU <<
43 select TRACE_IRQFLAGS_SUPPORT <<
44 51
45 config CPU_BIG_ENDIAN !! 52 config SPARC32
46 def_bool y !! 53 def_bool !64BIT
>> 54 select ARCH_32BIT_OFF_T
>> 55 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 56 select GENERIC_ATOMIC64
>> 57 select CLZ_TAB
>> 58 select HAVE_UID16
>> 59 select OLD_SIGACTION
47 60
48 config MMU !! 61 config SPARC64
49 def_bool y !! 62 def_bool 64BIT
>> 63 select HAVE_FUNCTION_TRACER
>> 64 select HAVE_FUNCTION_GRAPH_TRACER
>> 65 select HAVE_KRETPROBES
>> 66 select HAVE_KPROBES
>> 67 select HAVE_RCU_TABLE_FREE if SMP
>> 68 select HAVE_MEMBLOCK_NODE_MAP
>> 69 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 70 select HAVE_DYNAMIC_FTRACE
>> 71 select HAVE_FTRACE_MCOUNT_RECORD
>> 72 select HAVE_SYSCALL_TRACEPOINTS
>> 73 select HAVE_CONTEXT_TRACKING
>> 74 select HAVE_DEBUG_KMEMLEAK
>> 75 select IOMMU_HELPER
>> 76 select SPARSE_IRQ
>> 77 select RTC_DRV_CMOS
>> 78 select RTC_DRV_BQ4802
>> 79 select RTC_DRV_SUN4V
>> 80 select RTC_DRV_STARFIRE
>> 81 select HAVE_PERF_EVENTS
>> 82 select PERF_USE_VMALLOC
>> 83 select IRQ_PREFLOW_FASTEOI
>> 84 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 85 select HAVE_C_RECORDMCOUNT
>> 86 select HAVE_ARCH_AUDITSYSCALL
>> 87 select ARCH_SUPPORTS_ATOMIC_RMW
>> 88 select HAVE_NMI
>> 89 select HAVE_REGS_AND_STACK_ACCESS_API
>> 90 select ARCH_USE_QUEUED_RWLOCKS
>> 91 select ARCH_USE_QUEUED_SPINLOCKS
>> 92 select GENERIC_TIME_VSYSCALL
>> 93 select ARCH_CLOCKSOURCE_DATA
>> 94 select ARCH_HAS_PTE_SPECIAL
>> 95 select PCI_DOMAINS if PCI
>> 96 select ARCH_HAS_GIGANTIC_PAGE
>> 97
>> 98 config ARCH_DEFCONFIG
>> 99 string
>> 100 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 101 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
50 102
51 config GENERIC_HWEIGHT !! 103 config ARCH_PROC_KCORE_TEXT
52 def_bool y 104 def_bool y
53 105
54 config NO_IOPORT_MAP !! 106 config CPU_BIG_ENDIAN
55 def_bool y 107 def_bool y
56 108
57 # For now, use generic checksum functions !! 109 config ARCH_ATU
58 #These can be reimplemented in assembly later !! 110 bool
59 config GENERIC_CSUM !! 111 default y if SPARC64
60 def_bool y <<
61 112
62 config STACKTRACE_SUPPORT 113 config STACKTRACE_SUPPORT
63 def_bool y !! 114 bool
>> 115 default y if SPARC64
64 116
65 config LOCKDEP_SUPPORT 117 config LOCKDEP_SUPPORT
66 def_bool y !! 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
>> 137 config MMU
>> 138 bool
>> 139 default y
>> 140
>> 141 config HIGHMEM
>> 142 bool
>> 143 default y if SPARC32
>> 144
>> 145 config ZONE_DMA
>> 146 bool
>> 147 default y if SPARC32
>> 148
>> 149 config GENERIC_ISA_DMA
>> 150 bool
>> 151 default y if SPARC32
>> 152
>> 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 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
67 162
68 menu "Processor type and features" 163 menu "Processor type and features"
69 164
70 choice !! 165 config SMP
71 prompt "Subarchitecture" !! 166 bool "Symmetric multi-processing support"
72 default OR1K_1200 !! 167 ---help---
>> 168 This enables support for systems with more than one CPU. If you have
>> 169 a system with only one CPU, say N. If you have a system with more
>> 170 than one CPU, say Y.
73 171
74 config OR1K_1200 !! 172 If you say N here, the kernel will run on uni- and multiprocessor
75 bool "OR1200" !! 173 machines, but will use only one CPU of a multiprocessor machine. If
76 help !! 174 you say Y here, the kernel will run on many, but not all,
77 Generic OpenRISC 1200 architecture !! 175 uniprocessor machines. On a uniprocessor machine, the kernel
>> 176 will run faster if you say N here.
>> 177
>> 178 People using multiprocessor machines who say Y here should also say
>> 179 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 180 Management" code will be disabled if you say Y here.
78 181
79 endchoice !! 182 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
>> 183 available at <http://www.tldp.org/docs.html#howto>.
80 184
81 config DCACHE_WRITETHROUGH !! 185 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. <<
89 186
90 If unsure say N here !! 187 config NR_CPUS
>> 188 int "Maximum number of CPUs"
>> 189 depends on SMP
>> 190 range 2 32 if SPARC32
>> 191 range 2 4096 if SPARC64
>> 192 default 32 if SPARC32
>> 193 default 4096 if SPARC64
91 194
92 config OPENRISC_BUILTIN_DTB !! 195 source "kernel/Kconfig.hz"
93 string "Builtin DTB" <<
94 default "" <<
95 196
96 menu "Class II Instructions" !! 197 config GENERIC_HWEIGHT
>> 198 bool
>> 199 default y
97 200
98 config OPENRISC_HAVE_INST_FF1 !! 201 config GENERIC_CALIBRATE_DELAY
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 ARCH_MAY_HAVE_PC_FDC
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 EMULATED_CMPXCHG
111 bool "Have instruction l.mul for hardw !! 210 bool
>> 211 default y if SPARC32
>> 212 help
>> 213 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
>> 214 is emulated, and therefore it is not completely atomic.
>> 215
>> 216 # Makefile helpers
>> 217 config SPARC32_SMP
>> 218 bool
112 default y 219 default y
113 help !! 220 depends on SPARC32 && SMP
114 Select this if your implementation h <<
115 221
116 config OPENRISC_HAVE_INST_DIV !! 222 config SPARC64_SMP
117 bool "Have instruction l.div for hardw !! 223 bool
118 default y 224 default y
119 help !! 225 depends on SPARC64 && SMP
120 Select this if your implementation h <<
121 226
122 config OPENRISC_HAVE_INST_CMOV !! 227 config EARLYFB
123 bool "Have instruction l.cmov for cond !! 228 bool "Support for early boot text console"
124 default n !! 229 default y
>> 230 depends on SPARC64
125 help 231 help
126 This config enables gcc to generate !! 232 Say Y here to enable a faster early framebuffer boot console.
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. <<
132 233
133 Say N if you are unsure. !! 234 config SECCOMP
134 !! 235 bool "Enable seccomp to safely compute untrusted bytecode"
135 config OPENRISC_HAVE_INST_ROR !! 236 depends on SPARC64 && PROC_FS
136 bool "Have instruction l.ror for rotat !! 237 default y
137 default n <<
138 help 238 help
139 This config enables gcc to generate !! 239 This kernel feature is useful for number crunching applications
140 the kernel which in general will imp !! 240 that may need to compute untrusted bytecode during their
141 binary size. !! 241 execution. By using pipes or other transports made available to
142 !! 242 the process as file descriptors supporting the read/write
143 Select this if your implementation h !! 243 syscalls, it's possible to isolate those applications in
144 l.ror rotate right instruction. !! 244 their own address space using seccomp. Once seccomp is
145 !! 245 enabled via /proc/<pid>/seccomp, it cannot be disabled
146 Say N if you are unsure. !! 246 and the task is only allowed to execute a few safe syscalls
147 !! 247 defined by each seccomp mode.
148 config OPENRISC_HAVE_INST_RORI !! 248
149 bool "Have instruction l.rori for rota !! 249 If unsure, say Y. Only embedded should say N here.
150 default n !! 250
>> 251 config HOTPLUG_CPU
>> 252 bool "Support for hot-pluggable CPUs"
>> 253 depends on SPARC64 && SMP
>> 254 help
>> 255 Say Y here to experiment with turning CPUs off and on. CPUs
>> 256 can be controlled through /sys/devices/system/cpu/cpu#.
>> 257 Say N if you want to disable CPU hotplug.
>> 258
>> 259 if SPARC64
>> 260 source "drivers/cpufreq/Kconfig"
>> 261 endif
>> 262
>> 263 config US3_MC
>> 264 tristate "UltraSPARC-III Memory Controller driver"
>> 265 depends on SPARC64
>> 266 default y
151 help 267 help
152 This config enables gcc to generate !! 268 This adds a driver for the UltraSPARC-III memory controller.
153 the kernel which in general will imp !! 269 Loading this driver allows exact mnemonic strings to be
154 binary size. !! 270 printed in the event of a memory error, so that the faulty DIMM
155 !! 271 on the motherboard can be matched to the error.
156 Select this if your implementation h !! 272
157 l.rori rotate right with immediate i !! 273 If in doubt, say Y, as this information can be very useful.
>> 274
>> 275 # Global things across all Sun machines.
>> 276 config GENERIC_LOCKBREAK
>> 277 bool
>> 278 default y
>> 279 depends on SPARC64 && SMP && PREEMPT
158 280
159 Say N if you are unsure. !! 281 config NUMA
>> 282 bool "NUMA support"
>> 283 depends on SPARC64 && SMP
>> 284
>> 285 config NODES_SHIFT
>> 286 int "Maximum NUMA Nodes (as a power of 2)"
>> 287 range 4 5 if SPARC64
>> 288 default "5"
>> 289 depends on NEED_MULTIPLE_NODES
>> 290 help
>> 291 Specify the maximum number of NUMA Nodes available on the target
>> 292 system. Increases memory reserved to accommodate various tables.
>> 293
>> 294 # Some NUMA nodes have memory ranges that span
>> 295 # other nodes. Even though a pfn is valid and
>> 296 # between a node's start and end pfns, it may not
>> 297 # reside on that node. See memmap_init_zone()
>> 298 # for details.
>> 299 config NODES_SPAN_OTHER_NODES
>> 300 def_bool y
>> 301 depends on NEED_MULTIPLE_NODES
160 302
161 config OPENRISC_HAVE_INST_SEXT !! 303 config ARCH_SPARSEMEM_ENABLE
162 bool "Have instructions l.ext* for sig !! 304 def_bool y if SPARC64
163 default n !! 305 select SPARSEMEM_VMEMMAP_ENABLE
>> 306
>> 307 config ARCH_SPARSEMEM_DEFAULT
>> 308 def_bool y if SPARC64
>> 309
>> 310 config FORCE_MAX_ZONEORDER
>> 311 int "Maximum zone order"
>> 312 default "13"
>> 313 help
>> 314 The kernel memory allocator divides physically contiguous memory
>> 315 blocks into "zones", where each zone is a power of two number of
>> 316 pages. This option selects the largest power of two that the kernel
>> 317 keeps in the memory allocator. If you need to allocate very large
>> 318 blocks of physically contiguous memory, then you may need to
>> 319 increase this value.
>> 320
>> 321 This config option is actually maximum order plus one. For example,
>> 322 a value of 13 means that the largest free memory block is 2^12 pages.
>> 323
>> 324 if SPARC64
>> 325 source "kernel/power/Kconfig"
>> 326 endif
>> 327
>> 328 config SCHED_SMT
>> 329 bool "SMT (Hyperthreading) scheduler support"
>> 330 depends on SPARC64 && SMP
>> 331 default y
>> 332 help
>> 333 SMT scheduler support improves the CPU scheduler's decision making
>> 334 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 335 in some places. If unsure say N here.
>> 336
>> 337 config SCHED_MC
>> 338 bool "Multi-core scheduler support"
>> 339 depends on SPARC64 && SMP
>> 340 default y
164 help 341 help
165 This config enables gcc to generate !! 342 Multi-core scheduler support improves the CPU scheduler's decision
166 the kernel which in general will imp !! 343 making when dealing with multi-core CPU chips at a cost of slightly
167 binary size. !! 344 increased overhead in some places. If unsure say N here.
>> 345
>> 346 config CMDLINE_BOOL
>> 347 bool "Default bootloader kernel arguments"
>> 348 depends on SPARC64
168 349
169 Select this if your implementation h !! 350 config CMDLINE
170 l.exths, l.extbs, l.exthz and l.extb !! 351 string "Initial kernel command string"
>> 352 depends on CMDLINE_BOOL
>> 353 default "console=ttyS0,9600 root=/dev/sda1"
>> 354 help
>> 355 Say Y here if you want to be able to pass default arguments to
>> 356 the kernel. This will be overridden by the bootloader, if you
>> 357 use one (such as SILO). This is most useful if you want to boot
>> 358 a kernel from TFTP, and want default options to be available
>> 359 with having them passed on the command line.
>> 360
>> 361 NOTE: This option WILL override the PROM bootargs setting!
>> 362
>> 363 config SUN_PM
>> 364 bool
>> 365 default y if SPARC32
>> 366 help
>> 367 Enable power management and CPU standby features on supported
>> 368 SPARC platforms.
>> 369
>> 370 config SPARC_LED
>> 371 tristate "Sun4m LED driver"
>> 372 depends on SPARC32
>> 373 help
>> 374 This driver toggles the front-panel LED on sun4m systems
>> 375 in a user-specifiable manner. Its state can be probed
>> 376 by reading /proc/led and its blinking mode can be changed
>> 377 via writes to /proc/led
>> 378
>> 379 config SERIAL_CONSOLE
>> 380 bool
>> 381 depends on SPARC32
>> 382 default y
>> 383 ---help---
>> 384 If you say Y here, it will be possible to use a serial port as the
>> 385 system console (the system console is the device which receives all
>> 386 kernel messages and warnings and which allows logins in single user
>> 387 mode). This could be useful if some terminal or printer is connected
>> 388 to that serial port.
>> 389
>> 390 Even if you say Y here, the currently visible virtual console
>> 391 (/dev/tty0) will still be used as the system console by default, but
>> 392 you can alter that using a kernel command line option such as
>> 393 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 394 your boot loader (silo) about how to pass options to the kernel at
>> 395 boot time.)
>> 396
>> 397 If you don't have a graphics card installed and you say Y here, the
>> 398 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 399 system console.
>> 400
>> 401 If unsure, say N.
>> 402
>> 403 config SPARC_LEON
>> 404 bool "Sparc Leon processor family"
>> 405 depends on SPARC32
>> 406 select USB_EHCI_BIG_ENDIAN_MMIO
>> 407 select USB_EHCI_BIG_ENDIAN_DESC
>> 408 select USB_UHCI_BIG_ENDIAN_MMIO
>> 409 select USB_UHCI_BIG_ENDIAN_DESC
>> 410 ---help---
>> 411 If you say Y here if you are running on a SPARC-LEON processor.
>> 412 The LEON processor is a synthesizable VHDL model of the
>> 413 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 414 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 415 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 416 toolchain at www.gaisler.com.
>> 417
>> 418 if SPARC_LEON
>> 419 menu "U-Boot options"
>> 420
>> 421 config UBOOT_LOAD_ADDR
>> 422 hex "uImage Load Address"
>> 423 default 0x40004000
>> 424 ---help---
>> 425 U-Boot kernel load address, the address in physical address space
>> 426 where u-boot will place the Linux kernel before booting it.
>> 427 This address is normally the base address of main memory + 0x4000.
>> 428
>> 429 config UBOOT_FLASH_ADDR
>> 430 hex "uImage.o Load Address"
>> 431 default 0x00080000
>> 432 ---help---
>> 433 Optional setting only affecting the uImage.o ELF-image used to
>> 434 download the uImage file to the target using a ELF-loader other than
>> 435 U-Boot. It may for example be used to download an uImage to FLASH with
>> 436 the GRMON utility before even starting u-boot.
>> 437
>> 438 config UBOOT_ENTRY_ADDR
>> 439 hex "uImage Entry Address"
>> 440 default 0xf0004000
>> 441 ---help---
>> 442 Do not change this unless you know what you're doing. This is
>> 443 hardcoded by the SPARC32 and LEON port.
171 444
172 Say N if you are unsure. !! 445 This is the virtual address u-boot jumps to when booting the Linux
>> 446 Kernel.
173 447
174 endmenu 448 endmenu
>> 449 endif
175 450
176 config NR_CPUS !! 451 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. <<
188 452
189 If you don't know what to do here, s !! 453 menu "Bus options (PCI etc.)"
>> 454 config SBUS
>> 455 bool
>> 456 default y
190 457
191 config FPU !! 458 config SBUSCHAR
192 bool "FPU support" !! 459 bool
193 default y 460 default y
194 help <<
195 Say N here if you want to disable al <<
196 in the kernel and reduce binary size <<
197 461
198 If you don't know what to do here, s !! 462 config SUN_LDOMS
>> 463 bool "Sun Logical Domains support"
>> 464 depends on SPARC64
>> 465 help
>> 466 Say Y here is you want to support virtual devices via
>> 467 Logical Domains.
>> 468
>> 469 config PCIC_PCI
>> 470 bool
>> 471 depends on PCI && SPARC32 && !SPARC_LEON
>> 472 default y
199 473
200 source "kernel/Kconfig.hz" !! 474 config LEON_PCI
>> 475 bool
>> 476 depends on PCI && SPARC_LEON
>> 477 default y
201 478
202 config OPENRISC_NO_SPR_SR_DSX !! 479 config SPARC_GRPCI1
203 bool "use SPR_SR_DSX software emulatio !! 480 bool "GRPCI Host Bridge Support"
>> 481 depends on LEON_PCI
204 default y 482 default y
205 help 483 help
206 SPR_SR_DSX bit is status register bi !! 484 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
207 the last exception has happened in d !! 485 PCI host controller is typically found in GRLIB SPARC32/LEON
208 !! 486 systems. The driver has one property (all_pci_errors) controlled
209 OpenRISC architecture makes it optio !! 487 from the bootloader that makes the GRPCI to generate interrupts
210 in hardware and the OR1200 does not !! 488 on detected PCI Parity and System errors.
211 !! 489
212 Say N here if you know that your Ope !! 490 config SPARC_GRPCI2
213 SPR_SR_DSX bit implemented. Say Y if !! 491 bool "GRPCI2 Host Bridge Support"
214 !! 492 depends on LEON_PCI
215 config OPENRISC_HAVE_SHADOW_GPRS !! 493 default y
216 bool "Support for shadow gpr files" if <<
217 default y if SMP <<
218 help 494 help
219 Say Y here if your OpenRISC processo !! 495 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 <<
222 496
223 On SMP systems, this feature is mand !! 497 config SUN_OPENPROMFS
224 On a unicore system it's safe to say !! 498 tristate "Openprom tree appears in /proc/openprom"
225 <<
226 config CMDLINE <<
227 string "Default kernel command string" <<
228 default "" <<
229 help 499 help
230 On some architectures there is curre !! 500 If you say Y, the OpenPROM device tree will be available as a
231 to pass arguments to the kernel. For !! 501 virtual file system, which you can mount to /proc/openprom by "mount
232 supply some command-line options at !! 502 -t openpromfs none /proc/openprom".
233 here. !! 503
>> 504 To compile the /proc/openprom support as a module, choose M here: the
>> 505 module will be called openpromfs.
234 506
235 menu "Debugging options" !! 507 Only choose N if you know in advance that you will not need to modify
>> 508 OpenPROM settings on the running system.
236 509
237 config JUMP_UPON_UNHANDLED_EXCEPTION !! 510 # Makefile helpers
238 bool "Try to die gracefully" !! 511 config SPARC64_PCI
>> 512 bool
239 default y 513 default y
240 help !! 514 depends on SPARC64 && PCI
241 Now this puts kernel into infinite l <<
242 your kernel crashes this doesn't hav <<
243 515
244 Say Y if you are unsure. !! 516 config SPARC64_PCI_MSI
>> 517 bool
>> 518 default y
>> 519 depends on SPARC64_PCI && PCI_MSI
245 520
246 config OPENRISC_ESR_EXCEPTION_BUG_CHECK !! 521 endmenu
247 bool "Check for possible ESR exception <<
248 default n <<
249 help <<
250 This option enables some checks that <<
251 in kernel. <<
252 522
253 Say N if you are unsure. !! 523 config COMPAT
>> 524 bool
>> 525 depends on SPARC64
>> 526 default y
>> 527 select COMPAT_BINFMT_ELF
>> 528 select HAVE_UID16
>> 529 select ARCH_WANT_OLD_COMPAT_IPC
>> 530 select COMPAT_OLD_SIGACTION
254 531
255 endmenu !! 532 config SYSVIPC_COMPAT
>> 533 bool
>> 534 depends on COMPAT && SYSVIPC
>> 535 default y
256 536
257 endmenu !! 537 source "drivers/sbus/char/Kconfig"
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