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 !! 47 select ARCH_WANT_RELAX_ORDER
50 select NEED_SG_DMA_LENGTH <<
51 select TRACE_IRQFLAGS_SUPPORT <<
52 48
53 config SPARC32 49 config SPARC32
54 def_bool !64BIT 50 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 51 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 52 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 53 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 54 select OLD_SIGACTION
67 select ZONE_DMA <<
68 55
69 config SPARC64 56 config SPARC64
70 def_bool 64BIT 57 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 58 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 59 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 60 select HAVE_KRETPROBES
75 select HAVE_KPROBES 61 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 62 select HAVE_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS !! 63 select HAVE_MEMBLOCK
78 select MMU_GATHER_NO_FLUSH_CACHE !! 64 select HAVE_MEMBLOCK_NODE_MAP
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 66 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 67 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 68 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 69 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ <<
86 select HAVE_DEBUG_KMEMLEAK 70 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER <<
88 select SPARSE_IRQ 71 select SPARSE_IRQ
89 select RTC_DRV_CMOS 72 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 73 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 74 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 75 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 76 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 77 select PERF_USE_VMALLOC
>> 78 select IRQ_PREFLOW_FASTEOI
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 79 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 80 select HAVE_C_RECORDMCOUNT
>> 81 select NO_BOOTMEM
97 select HAVE_ARCH_AUDITSYSCALL 82 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 83 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
100 select HAVE_NMI 84 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 85 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 86 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 87 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL !! 88
105 select ARCH_CLOCKSOURCE_DATA !! 89 config ARCH_DEFCONFIG
106 select ARCH_HAS_PTE_SPECIAL !! 90 string
107 select PCI_DOMAINS if PCI !! 91 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
108 select ARCH_HAS_GIGANTIC_PAGE !! 92 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
109 select HAVE_SOFTIRQ_ON_OWN_STACK <<
110 select HAVE_SETUP_PER_CPU_AREA <<
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK <<
113 93
114 config ARCH_PROC_KCORE_TEXT 94 config ARCH_PROC_KCORE_TEXT
115 def_bool y 95 def_bool y
116 96
117 config CPU_BIG_ENDIAN 97 config CPU_BIG_ENDIAN
118 def_bool y 98 def_bool y
119 99
>> 100 config ARCH_ATU
>> 101 bool
>> 102 default y if SPARC64
>> 103
>> 104 config ARCH_DMA_ADDR_T_64BIT
>> 105 bool
>> 106 default y if ARCH_ATU
>> 107
>> 108 config IOMMU_HELPER
>> 109 bool
>> 110 default y if SPARC64
>> 111
120 config STACKTRACE_SUPPORT 112 config STACKTRACE_SUPPORT
121 bool 113 bool
122 default y if SPARC64 114 default y if SPARC64
123 115
124 config LOCKDEP_SUPPORT 116 config LOCKDEP_SUPPORT
125 bool 117 bool
126 default y if SPARC64 118 default y if SPARC64
127 119
128 config ARCH_HIBERNATION_POSSIBLE 120 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 121 def_bool y if SPARC64
130 122
131 config AUDIT_ARCH 123 config AUDIT_ARCH
132 bool 124 bool
133 default y 125 default y
134 126
>> 127 config HAVE_SETUP_PER_CPU_AREA
>> 128 def_bool y if SPARC64
>> 129
>> 130 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 131 def_bool y if SPARC64
>> 132
>> 133 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 134 def_bool y if SPARC64
>> 135
135 config MMU 136 config MMU
136 bool 137 bool
137 default y 138 default y
138 139
139 config HIGHMEM 140 config HIGHMEM
140 bool 141 bool
141 default y if SPARC32 142 default y if SPARC32
142 select KMAP_LOCAL !! 143
>> 144 config ZONE_DMA
>> 145 bool
>> 146 default y if SPARC32
>> 147
>> 148 config NEED_DMA_MAP_STATE
>> 149 def_bool y
>> 150
>> 151 config NEED_SG_DMA_LENGTH
>> 152 def_bool y
>> 153
>> 154 config GENERIC_ISA_DMA
>> 155 bool
>> 156 default y if SPARC32
>> 157
>> 158 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 159 def_bool y if SPARC64
143 160
144 config PGTABLE_LEVELS 161 config PGTABLE_LEVELS
145 default 4 if 64BIT 162 default 4 if 64BIT
146 default 3 163 default 3
147 164
148 config ARCH_SUPPORTS_UPROBES 165 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 166 def_bool y if SPARC64
150 167
>> 168 source "init/Kconfig"
>> 169
>> 170 source "kernel/Kconfig.freezer"
>> 171
151 menu "Processor type and features" 172 menu "Processor type and features"
152 173
153 config SMP 174 config SMP
154 bool "Symmetric multi-processing suppo 175 bool "Symmetric multi-processing support"
155 help !! 176 ---help---
156 This enables support for systems wit 177 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 178 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 179 than one CPU, say Y.
159 180
160 If you say N here, the kernel will r 181 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 182 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 183 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 184 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 185 will run faster if you say N here.
165 186
166 People using multiprocessor machines 187 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 188 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 189 Management" code will be disabled if you say Y here.
169 190
170 See also <file:Documentation/admin-g !! 191 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 192 available at <http://www.tldp.org/docs.html#howto>.
172 193
173 If you don't know what to do here, s 194 If you don't know what to do here, say N.
174 195
175 config NR_CPUS 196 config NR_CPUS
176 int "Maximum number of CPUs" 197 int "Maximum number of CPUs"
177 depends on SMP 198 depends on SMP
178 range 2 32 if SPARC32 199 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 200 range 2 4096 if SPARC64
180 default 32 if SPARC32 201 default 32 if SPARC32
181 default 4096 if SPARC64 202 default 4096 if SPARC64
182 203
183 source "kernel/Kconfig.hz" !! 204 source kernel/Kconfig.hz
>> 205
>> 206 config RWSEM_GENERIC_SPINLOCK
>> 207 bool
>> 208 default y if SPARC32
>> 209
>> 210 config RWSEM_XCHGADD_ALGORITHM
>> 211 bool
>> 212 default y if SPARC64
184 213
185 config GENERIC_HWEIGHT 214 config GENERIC_HWEIGHT
186 bool 215 bool
187 default y 216 default y
188 217
189 config GENERIC_CALIBRATE_DELAY 218 config GENERIC_CALIBRATE_DELAY
190 bool 219 bool
191 default y 220 default y
192 221
193 config ARCH_MAY_HAVE_PC_FDC 222 config ARCH_MAY_HAVE_PC_FDC
194 bool 223 bool
195 default y 224 default y
196 225
197 config EMULATED_CMPXCHG 226 config EMULATED_CMPXCHG
198 bool 227 bool
199 default y if SPARC32 228 default y if SPARC32
200 help 229 help
201 Sparc32 does not have a CAS instruct 230 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 231 is emulated, and therefore it is not completely atomic.
203 232
204 # Makefile helpers 233 # Makefile helpers
205 config SPARC32_SMP 234 config SPARC32_SMP
206 bool 235 bool
207 default y 236 default y
208 depends on SPARC32 && SMP 237 depends on SPARC32 && SMP
209 238
210 config SPARC64_SMP 239 config SPARC64_SMP
211 bool 240 bool
212 default y 241 default y
213 depends on SPARC64 && SMP 242 depends on SPARC64 && SMP
214 243
215 config EARLYFB 244 config EARLYFB
216 bool "Support for early boot text cons 245 bool "Support for early boot text console"
217 default y 246 default y
218 depends on SPARC64 247 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 248 help
222 Say Y here to enable a faster early 249 Say Y here to enable a faster early framebuffer boot console.
223 250
>> 251 config SECCOMP
>> 252 bool "Enable seccomp to safely compute untrusted bytecode"
>> 253 depends on SPARC64 && PROC_FS
>> 254 default y
>> 255 help
>> 256 This kernel feature is useful for number crunching applications
>> 257 that may need to compute untrusted bytecode during their
>> 258 execution. By using pipes or other transports made available to
>> 259 the process as file descriptors supporting the read/write
>> 260 syscalls, it's possible to isolate those applications in
>> 261 their own address space using seccomp. Once seccomp is
>> 262 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 263 and the task is only allowed to execute a few safe syscalls
>> 264 defined by each seccomp mode.
>> 265
>> 266 If unsure, say Y. Only embedded should say N here.
>> 267
224 config HOTPLUG_CPU 268 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 269 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 270 depends on SPARC64 && SMP
227 help 271 help
228 Say Y here to experiment with turnin 272 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 273 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 274 Say N if you want to disable CPU hotplug.
231 275
232 if SPARC64 276 if SPARC64
233 source "drivers/cpufreq/Kconfig" 277 source "drivers/cpufreq/Kconfig"
234 endif 278 endif
235 279
236 config US3_MC 280 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 281 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 282 depends on SPARC64
239 default y 283 default y
240 help 284 help
241 This adds a driver for the UltraSPAR 285 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 286 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 287 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 288 on the motherboard can be matched to the error.
245 289
246 If in doubt, say Y, as this informat 290 If in doubt, say Y, as this information can be very useful.
247 291
248 # Global things across all Sun machines. 292 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 293 config GENERIC_LOCKBREAK
250 bool 294 bool
251 default y 295 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 296 depends on SPARC64 && SMP && PREEMPT
253 297
254 config NUMA 298 config NUMA
255 bool "NUMA support" 299 bool "NUMA support"
256 depends on SPARC64 && SMP 300 depends on SPARC64 && SMP
257 301
258 config NODES_SHIFT 302 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 303 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 304 range 4 5 if SPARC64
261 default "5" 305 default "5"
262 depends on NUMA !! 306 depends on NEED_MULTIPLE_NODES
263 help 307 help
264 Specify the maximum number of NUMA N 308 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 309 system. Increases memory reserved to accommodate various tables.
266 310
>> 311 # Some NUMA nodes have memory ranges that span
>> 312 # other nodes. Even though a pfn is valid and
>> 313 # between a node's start and end pfns, it may not
>> 314 # reside on that node. See memmap_init_zone()
>> 315 # for details.
>> 316 config NODES_SPAN_OTHER_NODES
>> 317 def_bool y
>> 318 depends on NEED_MULTIPLE_NODES
>> 319
>> 320 config ARCH_SELECT_MEMORY_MODEL
>> 321 def_bool y if SPARC64
>> 322
267 config ARCH_SPARSEMEM_ENABLE 323 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 324 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 325 select SPARSEMEM_VMEMMAP_ENABLE
270 326
271 config ARCH_SPARSEMEM_DEFAULT 327 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 328 def_bool y if SPARC64
273 329
274 config ARCH_FORCE_MAX_ORDER !! 330 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 331 int "Maximum zone order"
276 default "12" !! 332 default "13"
277 help !! 333 help
278 The kernel page allocator limits the !! 334 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 335 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 336 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 337 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 338 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 339 increase this value.
>> 340
>> 341 This config option is actually maximum order plus one. For example,
>> 342 a value of 13 means that the largest free memory block is 2^12 pages.
284 343
285 Don't change if unsure. !! 344 source "mm/Kconfig"
286 345
287 if SPARC64 || COMPILE_TEST !! 346 if SPARC64
288 source "kernel/power/Kconfig" 347 source "kernel/power/Kconfig"
289 endif 348 endif
290 349
291 config SCHED_SMT 350 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 351 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 352 depends on SPARC64 && SMP
294 default y 353 default y
295 help 354 help
296 SMT scheduler support improves the C 355 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 356 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 357 in some places. If unsure say N here.
299 358
300 config SCHED_MC 359 config SCHED_MC
301 bool "Multi-core scheduler support" 360 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 361 depends on SPARC64 && SMP
303 default y 362 default y
304 help 363 help
305 Multi-core scheduler support improve 364 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 365 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 366 increased overhead in some places. If unsure say N here.
308 367
>> 368 source "kernel/Kconfig.preempt"
>> 369
309 config CMDLINE_BOOL 370 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 371 bool "Default bootloader kernel arguments"
311 depends on SPARC64 372 depends on SPARC64
312 373
313 config CMDLINE 374 config CMDLINE
314 string "Initial kernel command string" 375 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 376 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 377 default "console=ttyS0,9600 root=/dev/sda1"
317 help 378 help
318 Say Y here if you want to be able to 379 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 380 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 381 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 382 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 383 with having them passed on the command line.
323 384
324 NOTE: This option WILL override the 385 NOTE: This option WILL override the PROM bootargs setting!
325 386
326 config SUN_PM 387 config SUN_PM
327 bool 388 bool
328 default y if SPARC32 389 default y if SPARC32
329 help 390 help
330 Enable power management and CPU stan 391 Enable power management and CPU standby features on supported
331 SPARC platforms. 392 SPARC platforms.
332 393
333 config SPARC_LED 394 config SPARC_LED
334 tristate "Sun4m LED driver" 395 tristate "Sun4m LED driver"
335 depends on SPARC32 396 depends on SPARC32
336 help 397 help
337 This driver toggles the front-panel 398 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 399 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 400 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 401 via writes to /proc/led
341 402
342 config SERIAL_CONSOLE 403 config SERIAL_CONSOLE
343 bool 404 bool
344 depends on SPARC32 405 depends on SPARC32
345 default y 406 default y
346 help !! 407 ---help---
347 If you say Y here, it will be possib 408 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 409 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 410 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 411 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 412 to that serial port.
352 413
353 Even if you say Y here, the currentl 414 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 415 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 416 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 417 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 418 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 419 boot time.)
359 420
360 If you don't have a graphics card in 421 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 422 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 423 system console.
363 424
364 If unsure, say N. 425 If unsure, say N.
365 426
366 config SPARC_LEON 427 config SPARC_LEON
367 bool "Sparc Leon processor family" 428 bool "Sparc Leon processor family"
368 depends on SPARC32 429 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 430 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 431 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO !! 432 ---help---
372 select USB_UHCI_BIG_ENDIAN_DESC <<
373 help <<
374 If you say Y here if you are running 433 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 434 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 435 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 436 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 437 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 438 toolchain at www.gaisler.com.
380 439
381 if SPARC_LEON 440 if SPARC_LEON
382 menu "U-Boot options" 441 menu "U-Boot options"
383 442
384 config UBOOT_LOAD_ADDR 443 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 444 hex "uImage Load Address"
386 default 0x40004000 445 default 0x40004000
387 help !! 446 ---help---
388 U-Boot kernel load address, the addre 447 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 448 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 449 This address is normally the base address of main memory + 0x4000.
391 450
392 config UBOOT_FLASH_ADDR 451 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 452 hex "uImage.o Load Address"
394 default 0x00080000 453 default 0x00080000
395 help !! 454 ---help---
396 Optional setting only affecting the u 455 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 456 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 457 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 458 the GRMON utility before even starting u-boot.
400 459
401 config UBOOT_ENTRY_ADDR 460 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 461 hex "uImage Entry Address"
403 default 0xf0004000 462 default 0xf0004000
404 help !! 463 ---help---
405 Do not change this unless you know wh 464 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 465 hardcoded by the SPARC32 and LEON port.
407 466
408 This is the virtual address u-boot ju 467 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 468 Kernel.
410 469
411 endmenu 470 endmenu
412 endif 471 endif
413 472
414 endmenu 473 endmenu
415 474
416 menu "Bus options (PCI etc.)" 475 menu "Bus options (PCI etc.)"
417 config SBUS 476 config SBUS
418 bool 477 bool
419 default y 478 default y
420 479
421 config SBUSCHAR 480 config SBUSCHAR
422 bool 481 bool
423 default y 482 default y
424 483
425 config SUN_LDOMS 484 config SUN_LDOMS
426 bool "Sun Logical Domains support" 485 bool "Sun Logical Domains support"
427 depends on SPARC64 486 depends on SPARC64
428 help 487 help
429 Say Y here is you want to support vi 488 Say Y here is you want to support virtual devices via
430 Logical Domains. 489 Logical Domains.
431 490
>> 491 config PCI
>> 492 bool "Support for PCI and PS/2 keyboard/mouse"
>> 493 help
>> 494 Find out whether your system includes a PCI bus. PCI is the name of
>> 495 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 496 your box. If you say Y here, the kernel will include drivers and
>> 497 infrastructure code to support PCI bus devices.
>> 498
>> 499 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 500 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 501 All of these platforms are extremely obscure, so say N if unsure.
>> 502
>> 503 config PCI_DOMAINS
>> 504 def_bool PCI if SPARC64
>> 505
>> 506 config PCI_SYSCALL
>> 507 def_bool PCI
>> 508
432 config PCIC_PCI 509 config PCIC_PCI
433 bool 510 bool
434 depends on PCI && SPARC32 && !SPARC_LE 511 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 512 default y
436 513
437 config LEON_PCI 514 config LEON_PCI
438 bool 515 bool
439 depends on PCI && SPARC_LEON 516 depends on PCI && SPARC_LEON
440 default y 517 default y
441 518
442 config SPARC_GRPCI1 519 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 520 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 521 depends on LEON_PCI
445 default y 522 default y
446 help 523 help
447 Say Y here to include the GRPCI Host 524 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 525 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 526 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 527 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 528 on detected PCI Parity and System errors.
452 529
453 config SPARC_GRPCI2 530 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 531 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 532 depends on LEON_PCI
456 default y 533 default y
457 help 534 help
458 Say Y here to include the GRPCI2 Hos 535 Say Y here to include the GRPCI2 Host Bridge Driver.
459 536
>> 537 source "drivers/pci/Kconfig"
>> 538
>> 539 source "drivers/pcmcia/Kconfig"
>> 540
460 config SUN_OPENPROMFS 541 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 542 tristate "Openprom tree appears in /proc/openprom"
462 help 543 help
463 If you say Y, the OpenPROM device tr 544 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 545 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 546 -t openpromfs none /proc/openprom".
466 547
467 To compile the /proc/openprom suppor 548 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 549 module will be called openpromfs.
469 550
470 Only choose N if you know in advance 551 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 552 OpenPROM settings on the running system.
472 553
473 # Makefile helpers 554 # Makefile helpers
474 config SPARC64_PCI 555 config SPARC64_PCI
475 bool 556 bool
476 default y 557 default y
477 depends on SPARC64 && PCI 558 depends on SPARC64 && PCI
478 559
479 config SPARC64_PCI_MSI 560 config SPARC64_PCI_MSI
480 bool 561 bool
481 default y 562 default y
482 depends on SPARC64_PCI && PCI_MSI 563 depends on SPARC64_PCI && PCI_MSI
483 564
484 endmenu 565 endmenu
485 566
>> 567 menu "Executable file formats"
>> 568
>> 569 source "fs/Kconfig.binfmt"
>> 570
486 config COMPAT 571 config COMPAT
487 bool 572 bool
488 depends on SPARC64 573 depends on SPARC64
489 default y 574 default y
>> 575 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 576 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 577 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 578 select COMPAT_OLD_SIGACTION
493 579
>> 580 config SYSVIPC_COMPAT
>> 581 bool
>> 582 depends on COMPAT && SYSVIPC
>> 583 default y
>> 584
>> 585 endmenu
>> 586
>> 587 source "net/Kconfig"
>> 588
>> 589 source "drivers/Kconfig"
>> 590
494 source "drivers/sbus/char/Kconfig" 591 source "drivers/sbus/char/Kconfig"
>> 592
>> 593 source "fs/Kconfig"
>> 594
>> 595 source "arch/sparc/Kconfig.debug"
>> 596
>> 597 source "security/Kconfig"
>> 598
>> 599 source "crypto/Kconfig"
>> 600
>> 601 source "lib/Kconfig"
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