1 # SPDX-License-Identifier: GPL-2.0-only <<
2 config 64BIT 1 config 64BIT
3 bool "64-bit kernel" if "$(ARCH)" = "s !! 2 bool "64-bit kernel" if ARCH = "sparc"
4 default "$(ARCH)" = "sparc64" !! 3 default ARCH = "sparc64"
5 help 4 help
6 SPARC is a family of RISC microproce 5 SPARC is a family of RISC microprocessors designed and marketed by
7 Sun Microsystems, incorporated. The 6 Sun Microsystems, incorporated. They are very widely found in Sun
8 workstations and clones. 7 workstations and clones.
9 8
10 Say yes to build a 64-bit kernel - f 9 Say yes to build a 64-bit kernel - formerly known as sparc64
11 Say no to build a 32-bit kernel - fo 10 Say no to build a 32-bit kernel - formerly known as sparc
12 11
13 config SPARC 12 config SPARC
14 bool 13 bool
15 default y 14 default y
16 select ARCH_HAS_CPU_CACHE_ALIASING <<
17 select ARCH_HAS_DMA_OPS <<
18 select ARCH_MIGHT_HAVE_PC_PARPORT if S 15 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
19 select ARCH_MIGHT_HAVE_PC_SERIO 16 select ARCH_MIGHT_HAVE_PC_SERIO
20 select OF 17 select OF
21 select OF_PROMTREE 18 select OF_PROMTREE
22 select HAVE_ASM_MODVERSIONS !! 19 select HAVE_IDE
>> 20 select HAVE_OPROFILE
23 select HAVE_ARCH_KGDB if !SMP || SPARC 21 select HAVE_ARCH_KGDB if !SMP || SPARC64
24 select HAVE_ARCH_TRACEHOOK 22 select HAVE_ARCH_TRACEHOOK
25 select HAVE_ARCH_SECCOMP if SPARC64 <<
26 select HAVE_EXIT_THREAD 23 select HAVE_EXIT_THREAD
27 select HAVE_PCI <<
28 select SYSCTL_EXCEPTION_TRACE 24 select SYSCTL_EXCEPTION_TRACE
29 select RTC_CLASS 25 select RTC_CLASS
30 select RTC_DRV_M48T59 26 select RTC_DRV_M48T59
31 select RTC_SYSTOHC 27 select RTC_SYSTOHC
>> 28 select HAVE_DMA_API_DEBUG
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 29 select HAVE_ARCH_JUMP_LABEL if SPARC64
33 select GENERIC_IRQ_SHOW 30 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 31 select ARCH_WANT_IPC_PARSE_VERSION
35 select GENERIC_PCI_IOMAP 32 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 33 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 <<
38 select HAVE_CBPF_JIT if SPARC32 34 select HAVE_CBPF_JIT if SPARC32
39 select HAVE_EBPF_JIT if SPARC64 35 select HAVE_EBPF_JIT if SPARC64
40 select HAVE_DEBUG_BUGVERBOSE 36 select HAVE_DEBUG_BUGVERBOSE
41 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
42 select MODULES_USE_ELF_RELA 41 select MODULES_USE_ELF_RELA
43 select PCI_SYSCALL if PCI <<
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
45 select ODD_RT_SIGACTION 42 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 43 select OLD_SIGSUSPEND
>> 44 select ARCH_HAS_SG_CHAIN
47 select CPU_NO_EFFICIENT_FFS 45 select CPU_NO_EFFICIENT_FFS
48 select LOCKDEP_SMALL if LOCKDEP 46 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE <<
50 select NEED_SG_DMA_LENGTH <<
51 select TRACE_IRQFLAGS_SUPPORT <<
52 47
53 config SPARC32 48 config SPARC32
54 def_bool !64BIT 49 def_bool !64BIT
55 select ARCH_32BIT_OFF_T <<
56 select ARCH_HAS_CPU_FINALIZE_INIT if ! <<
57 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
58 select CLZ_TAB <<
59 select DMA_DIRECT_REMAP <<
60 select GENERIC_ATOMIC64 50 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 51 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 52 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 53 select OLD_SIGACTION
67 select ZONE_DMA <<
68 54
69 config SPARC64 55 config SPARC64
70 def_bool 64BIT 56 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 57 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 58 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 59 select HAVE_KRETPROBES
75 select HAVE_KPROBES 60 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 61 select HAVE_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS !! 62 select HAVE_MEMBLOCK
78 select MMU_GATHER_NO_FLUSH_CACHE !! 63 select HAVE_MEMBLOCK_NODE_MAP
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 64 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 65 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 66 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 67 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 68 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ <<
86 select HAVE_DEBUG_KMEMLEAK 69 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER <<
88 select SPARSE_IRQ 70 select SPARSE_IRQ
89 select RTC_DRV_CMOS 71 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 72 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 73 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 74 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 75 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 76 select PERF_USE_VMALLOC
>> 77 select IRQ_PREFLOW_FASTEOI
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 78 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 79 select HAVE_C_RECORDMCOUNT
>> 80 select NO_BOOTMEM
97 select HAVE_ARCH_AUDITSYSCALL 81 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 82 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
100 select HAVE_NMI 83 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 84 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 85 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 86 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 87 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 88 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL !! 89
107 select PCI_DOMAINS if PCI !! 90 config ARCH_DEFCONFIG
108 select ARCH_HAS_GIGANTIC_PAGE !! 91 string
109 select HAVE_SOFTIRQ_ON_OWN_STACK !! 92 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
110 select HAVE_SETUP_PER_CPU_AREA !! 93 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK <<
113 94
114 config ARCH_PROC_KCORE_TEXT 95 config ARCH_PROC_KCORE_TEXT
115 def_bool y 96 def_bool y
116 97
117 config CPU_BIG_ENDIAN 98 config CPU_BIG_ENDIAN
118 def_bool y 99 def_bool y
119 100
>> 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
120 config STACKTRACE_SUPPORT 113 config STACKTRACE_SUPPORT
121 bool 114 bool
122 default y if SPARC64 115 default y if SPARC64
123 116
124 config LOCKDEP_SUPPORT 117 config LOCKDEP_SUPPORT
125 bool 118 bool
126 default y if SPARC64 119 default y if SPARC64
127 120
128 config ARCH_HIBERNATION_POSSIBLE 121 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 122 def_bool y if SPARC64
130 123
131 config AUDIT_ARCH 124 config AUDIT_ARCH
132 bool 125 bool
133 default y 126 default y
134 127
>> 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
135 config MMU 137 config MMU
136 bool 138 bool
137 default y 139 default y
138 140
139 config HIGHMEM 141 config HIGHMEM
140 bool 142 bool
141 default y if SPARC32 143 default y if SPARC32
142 select KMAP_LOCAL !! 144
>> 145 config ZONE_DMA
>> 146 bool
>> 147 default y if SPARC32
>> 148
>> 149 config NEED_DMA_MAP_STATE
>> 150 def_bool y
>> 151
>> 152 config NEED_SG_DMA_LENGTH
>> 153 def_bool y
>> 154
>> 155 config GENERIC_ISA_DMA
>> 156 bool
>> 157 default y if SPARC32
>> 158
>> 159 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 160 def_bool y if SPARC64
143 161
144 config PGTABLE_LEVELS 162 config PGTABLE_LEVELS
145 default 4 if 64BIT 163 default 4 if 64BIT
146 default 3 164 default 3
147 165
148 config ARCH_SUPPORTS_UPROBES 166 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 167 def_bool y if SPARC64
150 168
>> 169 source "init/Kconfig"
>> 170
>> 171 source "kernel/Kconfig.freezer"
>> 172
151 menu "Processor type and features" 173 menu "Processor type and features"
152 174
153 config SMP 175 config SMP
154 bool "Symmetric multi-processing suppo 176 bool "Symmetric multi-processing support"
155 help !! 177 ---help---
156 This enables support for systems wit 178 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 179 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 180 than one CPU, say Y.
159 181
160 If you say N here, the kernel will r 182 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 183 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 184 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 185 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 186 will run faster if you say N here.
165 187
166 People using multiprocessor machines 188 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 189 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 190 Management" code will be disabled if you say Y here.
169 191
170 See also <file:Documentation/admin-g !! 192 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 193 available at <http://www.tldp.org/docs.html#howto>.
172 194
173 If you don't know what to do here, s 195 If you don't know what to do here, say N.
174 196
175 config NR_CPUS 197 config NR_CPUS
176 int "Maximum number of CPUs" 198 int "Maximum number of CPUs"
177 depends on SMP 199 depends on SMP
178 range 2 32 if SPARC32 200 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 201 range 2 4096 if SPARC64
180 default 32 if SPARC32 202 default 32 if SPARC32
181 default 4096 if SPARC64 203 default 4096 if SPARC64
182 204
183 source "kernel/Kconfig.hz" !! 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
184 214
185 config GENERIC_HWEIGHT 215 config GENERIC_HWEIGHT
186 bool 216 bool
187 default y 217 default y
188 218
189 config GENERIC_CALIBRATE_DELAY 219 config GENERIC_CALIBRATE_DELAY
190 bool 220 bool
191 default y 221 default y
192 222
193 config ARCH_MAY_HAVE_PC_FDC 223 config ARCH_MAY_HAVE_PC_FDC
194 bool 224 bool
195 default y 225 default y
196 226
197 config EMULATED_CMPXCHG 227 config EMULATED_CMPXCHG
198 bool 228 bool
199 default y if SPARC32 229 default y if SPARC32
200 help 230 help
201 Sparc32 does not have a CAS instruct 231 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 232 is emulated, and therefore it is not completely atomic.
203 233
204 # Makefile helpers 234 # Makefile helpers
205 config SPARC32_SMP 235 config SPARC32_SMP
206 bool 236 bool
207 default y 237 default y
208 depends on SPARC32 && SMP 238 depends on SPARC32 && SMP
209 239
210 config SPARC64_SMP 240 config SPARC64_SMP
211 bool 241 bool
212 default y 242 default y
213 depends on SPARC64 && SMP 243 depends on SPARC64 && SMP
214 244
215 config EARLYFB 245 config EARLYFB
216 bool "Support for early boot text cons 246 bool "Support for early boot text console"
217 default y 247 default y
218 depends on SPARC64 248 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 249 help
222 Say Y here to enable a faster early 250 Say Y here to enable a faster early framebuffer boot console.
223 251
>> 252 config SECCOMP
>> 253 bool "Enable seccomp to safely compute untrusted bytecode"
>> 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
224 config HOTPLUG_CPU 269 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 270 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 271 depends on SPARC64 && SMP
227 help 272 help
228 Say Y here to experiment with turnin 273 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 274 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 275 Say N if you want to disable CPU hotplug.
231 276
232 if SPARC64 277 if SPARC64
233 source "drivers/cpufreq/Kconfig" 278 source "drivers/cpufreq/Kconfig"
234 endif 279 endif
235 280
236 config US3_MC 281 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 282 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 283 depends on SPARC64
239 default y 284 default y
240 help 285 help
241 This adds a driver for the UltraSPAR 286 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 287 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 288 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 289 on the motherboard can be matched to the error.
245 290
246 If in doubt, say Y, as this informat 291 If in doubt, say Y, as this information can be very useful.
247 292
248 # Global things across all Sun machines. 293 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 294 config GENERIC_LOCKBREAK
250 bool 295 bool
251 default y 296 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 297 depends on SPARC64 && SMP && PREEMPT
253 298
254 config NUMA 299 config NUMA
255 bool "NUMA support" 300 bool "NUMA support"
256 depends on SPARC64 && SMP 301 depends on SPARC64 && SMP
257 302
258 config NODES_SHIFT 303 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 304 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 305 range 4 5 if SPARC64
261 default "5" 306 default "5"
262 depends on NUMA !! 307 depends on NEED_MULTIPLE_NODES
263 help 308 help
264 Specify the maximum number of NUMA N 309 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 310 system. Increases memory reserved to accommodate various tables.
266 311
>> 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
>> 320
>> 321 config ARCH_SELECT_MEMORY_MODEL
>> 322 def_bool y if SPARC64
>> 323
267 config ARCH_SPARSEMEM_ENABLE 324 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 325 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 326 select SPARSEMEM_VMEMMAP_ENABLE
270 327
271 config ARCH_SPARSEMEM_DEFAULT 328 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 329 def_bool y if SPARC64
273 330
274 config ARCH_FORCE_MAX_ORDER !! 331 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 332 int "Maximum zone order"
276 default "12" !! 333 default "13"
277 help !! 334 help
278 The kernel page allocator limits the !! 335 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 336 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 337 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 338 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 339 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 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.
284 344
285 Don't change if unsure. !! 345 source "mm/Kconfig"
286 346
287 if SPARC64 || COMPILE_TEST !! 347 if SPARC64
288 source "kernel/power/Kconfig" 348 source "kernel/power/Kconfig"
289 endif 349 endif
290 350
291 config SCHED_SMT 351 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 352 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 353 depends on SPARC64 && SMP
294 default y 354 default y
295 help 355 help
296 SMT scheduler support improves the C 356 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 357 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 358 in some places. If unsure say N here.
299 359
300 config SCHED_MC 360 config SCHED_MC
301 bool "Multi-core scheduler support" 361 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 362 depends on SPARC64 && SMP
303 default y 363 default y
304 help 364 help
305 Multi-core scheduler support improve 365 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 366 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 367 increased overhead in some places. If unsure say N here.
308 368
>> 369 source "kernel/Kconfig.preempt"
>> 370
309 config CMDLINE_BOOL 371 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 372 bool "Default bootloader kernel arguments"
311 depends on SPARC64 373 depends on SPARC64
312 374
313 config CMDLINE 375 config CMDLINE
314 string "Initial kernel command string" 376 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 377 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 378 default "console=ttyS0,9600 root=/dev/sda1"
317 help 379 help
318 Say Y here if you want to be able to 380 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 381 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 382 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 383 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 384 with having them passed on the command line.
323 385
324 NOTE: This option WILL override the 386 NOTE: This option WILL override the PROM bootargs setting!
325 387
326 config SUN_PM 388 config SUN_PM
327 bool 389 bool
328 default y if SPARC32 390 default y if SPARC32
329 help 391 help
330 Enable power management and CPU stan 392 Enable power management and CPU standby features on supported
331 SPARC platforms. 393 SPARC platforms.
332 394
333 config SPARC_LED 395 config SPARC_LED
334 tristate "Sun4m LED driver" 396 tristate "Sun4m LED driver"
335 depends on SPARC32 397 depends on SPARC32
336 help 398 help
337 This driver toggles the front-panel 399 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 400 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 401 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 402 via writes to /proc/led
341 403
342 config SERIAL_CONSOLE 404 config SERIAL_CONSOLE
343 bool 405 bool
344 depends on SPARC32 406 depends on SPARC32
345 default y 407 default y
346 help !! 408 ---help---
347 If you say Y here, it will be possib 409 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 410 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 411 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 412 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 413 to that serial port.
352 414
353 Even if you say Y here, the currentl 415 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 416 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 417 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 418 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 419 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 420 boot time.)
359 421
360 If you don't have a graphics card in 422 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 423 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 424 system console.
363 425
364 If unsure, say N. 426 If unsure, say N.
365 427
366 config SPARC_LEON 428 config SPARC_LEON
367 bool "Sparc Leon processor family" 429 bool "Sparc Leon processor family"
368 depends on SPARC32 430 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 431 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 432 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 433 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 434 select USB_UHCI_BIG_ENDIAN_DESC
373 help !! 435 ---help---
374 If you say Y here if you are running 436 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 437 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 438 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 439 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 440 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 441 toolchain at www.gaisler.com.
380 442
381 if SPARC_LEON 443 if SPARC_LEON
382 menu "U-Boot options" 444 menu "U-Boot options"
383 445
384 config UBOOT_LOAD_ADDR 446 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 447 hex "uImage Load Address"
386 default 0x40004000 448 default 0x40004000
387 help !! 449 ---help---
388 U-Boot kernel load address, the addre 450 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 451 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 452 This address is normally the base address of main memory + 0x4000.
391 453
392 config UBOOT_FLASH_ADDR 454 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 455 hex "uImage.o Load Address"
394 default 0x00080000 456 default 0x00080000
395 help !! 457 ---help---
396 Optional setting only affecting the u 458 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 459 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 460 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 461 the GRMON utility before even starting u-boot.
400 462
401 config UBOOT_ENTRY_ADDR 463 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 464 hex "uImage Entry Address"
403 default 0xf0004000 465 default 0xf0004000
404 help !! 466 ---help---
405 Do not change this unless you know wh 467 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 468 hardcoded by the SPARC32 and LEON port.
407 469
408 This is the virtual address u-boot ju 470 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 471 Kernel.
410 472
411 endmenu 473 endmenu
412 endif 474 endif
413 475
414 endmenu 476 endmenu
415 477
416 menu "Bus options (PCI etc.)" 478 menu "Bus options (PCI etc.)"
417 config SBUS 479 config SBUS
418 bool 480 bool
419 default y 481 default y
420 482
421 config SBUSCHAR 483 config SBUSCHAR
422 bool 484 bool
423 default y 485 default y
424 486
425 config SUN_LDOMS 487 config SUN_LDOMS
426 bool "Sun Logical Domains support" 488 bool "Sun Logical Domains support"
427 depends on SPARC64 489 depends on SPARC64
428 help 490 help
429 Say Y here is you want to support vi 491 Say Y here is you want to support virtual devices via
430 Logical Domains. 492 Logical Domains.
431 493
>> 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
432 config PCIC_PCI 512 config PCIC_PCI
433 bool 513 bool
434 depends on PCI && SPARC32 && !SPARC_LE 514 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 515 default y
436 516
437 config LEON_PCI 517 config LEON_PCI
438 bool 518 bool
439 depends on PCI && SPARC_LEON 519 depends on PCI && SPARC_LEON
440 default y 520 default y
441 521
442 config SPARC_GRPCI1 522 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 523 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 524 depends on LEON_PCI
445 default y 525 default y
446 help 526 help
447 Say Y here to include the GRPCI Host 527 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 528 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 529 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 530 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 531 on detected PCI Parity and System errors.
452 532
453 config SPARC_GRPCI2 533 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 534 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 535 depends on LEON_PCI
456 default y 536 default y
457 help 537 help
458 Say Y here to include the GRPCI2 Hos 538 Say Y here to include the GRPCI2 Host Bridge Driver.
459 539
>> 540 source "drivers/pci/Kconfig"
>> 541
>> 542 source "drivers/pcmcia/Kconfig"
>> 543
460 config SUN_OPENPROMFS 544 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 545 tristate "Openprom tree appears in /proc/openprom"
462 help 546 help
463 If you say Y, the OpenPROM device tr 547 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 548 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 549 -t openpromfs none /proc/openprom".
466 550
467 To compile the /proc/openprom suppor 551 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 552 module will be called openpromfs.
469 553
470 Only choose N if you know in advance 554 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 555 OpenPROM settings on the running system.
472 556
473 # Makefile helpers 557 # Makefile helpers
474 config SPARC64_PCI 558 config SPARC64_PCI
475 bool 559 bool
476 default y 560 default y
477 depends on SPARC64 && PCI 561 depends on SPARC64 && PCI
478 562
479 config SPARC64_PCI_MSI 563 config SPARC64_PCI_MSI
480 bool 564 bool
481 default y 565 default y
482 depends on SPARC64_PCI && PCI_MSI 566 depends on SPARC64_PCI && PCI_MSI
483 567
484 endmenu 568 endmenu
485 569
>> 570 menu "Executable file formats"
>> 571
>> 572 source "fs/Kconfig.binfmt"
>> 573
486 config COMPAT 574 config COMPAT
487 bool 575 bool
488 depends on SPARC64 576 depends on SPARC64
489 default y 577 default y
>> 578 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 579 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 580 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 581 select COMPAT_OLD_SIGACTION
493 582
>> 583 config SYSVIPC_COMPAT
>> 584 bool
>> 585 depends on COMPAT && SYSVIPC
>> 586 default y
>> 587
>> 588 endmenu
>> 589
>> 590 source "net/Kconfig"
>> 591
>> 592 source "drivers/Kconfig"
>> 593
494 source "drivers/sbus/char/Kconfig" 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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