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 24 select HAVE_PCI
28 select SYSCTL_EXCEPTION_TRACE 25 select SYSCTL_EXCEPTION_TRACE
29 select RTC_CLASS 26 select RTC_CLASS
30 select RTC_DRV_M48T59 27 select RTC_DRV_M48T59
31 select RTC_SYSTOHC 28 select RTC_SYSTOHC
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 42 select PCI_SYSCALL if PCI
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
45 select ODD_RT_SIGACTION 43 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 44 select OLD_SIGSUSPEND
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 NEED_DMA_MAP_STATE
50 select NEED_SG_DMA_LENGTH 48 select NEED_SG_DMA_LENGTH
51 select TRACE_IRQFLAGS_SUPPORT <<
52 49
53 config SPARC32 50 config SPARC32
54 def_bool !64BIT 51 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 52 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB <<
59 select DMA_DIRECT_REMAP <<
60 select GENERIC_ATOMIC64 53 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 54 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 55 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 56 select OLD_SIGACTION
67 select ZONE_DMA <<
68 57
69 config SPARC64 58 config SPARC64
70 def_bool 64BIT 59 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 60 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 61 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 62 select HAVE_KRETPROBES
75 select HAVE_KPROBES 63 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 64 select HAVE_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS !! 65 select HAVE_MEMBLOCK_NODE_MAP
78 select MMU_GATHER_NO_FLUSH_CACHE <<
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 66 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 67 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 68 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 69 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 70 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ <<
86 select HAVE_DEBUG_KMEMLEAK 71 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 72 select IOMMU_HELPER
88 select SPARSE_IRQ 73 select SPARSE_IRQ
89 select RTC_DRV_CMOS 74 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 75 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 76 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 77 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 78 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 79 select PERF_USE_VMALLOC
>> 80 select IRQ_PREFLOW_FASTEOI
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 81 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 82 select HAVE_C_RECORDMCOUNT
97 select HAVE_ARCH_AUDITSYSCALL 83 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 84 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
100 select HAVE_NMI 85 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 86 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 87 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 88 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 89 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 90 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL 91 select ARCH_HAS_PTE_SPECIAL
107 select PCI_DOMAINS if PCI 92 select PCI_DOMAINS if PCI
108 select ARCH_HAS_GIGANTIC_PAGE !! 93
109 select HAVE_SOFTIRQ_ON_OWN_STACK !! 94 config ARCH_DEFCONFIG
110 select HAVE_SETUP_PER_CPU_AREA !! 95 string
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK !! 96 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK !! 97 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
113 98
114 config ARCH_PROC_KCORE_TEXT 99 config ARCH_PROC_KCORE_TEXT
115 def_bool y 100 def_bool y
116 101
117 config CPU_BIG_ENDIAN 102 config CPU_BIG_ENDIAN
118 def_bool y 103 def_bool y
119 104
>> 105 config ARCH_ATU
>> 106 bool
>> 107 default y if SPARC64
>> 108
120 config STACKTRACE_SUPPORT 109 config STACKTRACE_SUPPORT
121 bool 110 bool
122 default y if SPARC64 111 default y if SPARC64
123 112
124 config LOCKDEP_SUPPORT 113 config LOCKDEP_SUPPORT
125 bool 114 bool
126 default y if SPARC64 115 default y if SPARC64
127 116
128 config ARCH_HIBERNATION_POSSIBLE 117 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 118 def_bool y if SPARC64
130 119
131 config AUDIT_ARCH 120 config AUDIT_ARCH
132 bool 121 bool
133 default y 122 default y
134 123
>> 124 config HAVE_SETUP_PER_CPU_AREA
>> 125 def_bool y if SPARC64
>> 126
>> 127 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 128 def_bool y if SPARC64
>> 129
>> 130 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 131 def_bool y if SPARC64
>> 132
135 config MMU 133 config MMU
136 bool 134 bool
137 default y 135 default y
138 136
139 config HIGHMEM 137 config HIGHMEM
140 bool 138 bool
141 default y if SPARC32 139 default y if SPARC32
142 select KMAP_LOCAL !! 140
>> 141 config ZONE_DMA
>> 142 bool
>> 143 default y if SPARC32
>> 144
>> 145 config GENERIC_ISA_DMA
>> 146 bool
>> 147 default y if SPARC32
>> 148
>> 149 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 150 def_bool y if SPARC64
143 151
144 config PGTABLE_LEVELS 152 config PGTABLE_LEVELS
145 default 4 if 64BIT 153 default 4 if 64BIT
146 default 3 154 default 3
147 155
148 config ARCH_SUPPORTS_UPROBES 156 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 157 def_bool y if SPARC64
150 158
151 menu "Processor type and features" 159 menu "Processor type and features"
152 160
153 config SMP 161 config SMP
154 bool "Symmetric multi-processing suppo 162 bool "Symmetric multi-processing support"
155 help !! 163 ---help---
156 This enables support for systems wit 164 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 165 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 166 than one CPU, say Y.
159 167
160 If you say N here, the kernel will r 168 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 169 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 170 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 171 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 172 will run faster if you say N here.
165 173
166 People using multiprocessor machines 174 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 175 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 176 Management" code will be disabled if you say Y here.
169 177
170 See also <file:Documentation/admin-g !! 178 See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 179 available at <http://www.tldp.org/docs.html#howto>.
172 180
173 If you don't know what to do here, s 181 If you don't know what to do here, say N.
174 182
175 config NR_CPUS 183 config NR_CPUS
176 int "Maximum number of CPUs" 184 int "Maximum number of CPUs"
177 depends on SMP 185 depends on SMP
178 range 2 32 if SPARC32 186 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 187 range 2 4096 if SPARC64
180 default 32 if SPARC32 188 default 32 if SPARC32
181 default 4096 if SPARC64 189 default 4096 if SPARC64
182 190
183 source "kernel/Kconfig.hz" 191 source "kernel/Kconfig.hz"
184 192
>> 193 config RWSEM_GENERIC_SPINLOCK
>> 194 bool
>> 195 default y if SPARC32
>> 196
>> 197 config RWSEM_XCHGADD_ALGORITHM
>> 198 bool
>> 199 default y if SPARC64
>> 200
185 config GENERIC_HWEIGHT 201 config GENERIC_HWEIGHT
186 bool 202 bool
187 default y 203 default y
188 204
189 config GENERIC_CALIBRATE_DELAY 205 config GENERIC_CALIBRATE_DELAY
190 bool 206 bool
191 default y 207 default y
192 208
193 config ARCH_MAY_HAVE_PC_FDC 209 config ARCH_MAY_HAVE_PC_FDC
194 bool 210 bool
195 default y 211 default y
196 212
197 config EMULATED_CMPXCHG 213 config EMULATED_CMPXCHG
198 bool 214 bool
199 default y if SPARC32 215 default y if SPARC32
200 help 216 help
201 Sparc32 does not have a CAS instruct 217 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 218 is emulated, and therefore it is not completely atomic.
203 219
204 # Makefile helpers 220 # Makefile helpers
205 config SPARC32_SMP 221 config SPARC32_SMP
206 bool 222 bool
207 default y 223 default y
208 depends on SPARC32 && SMP 224 depends on SPARC32 && SMP
209 225
210 config SPARC64_SMP 226 config SPARC64_SMP
211 bool 227 bool
212 default y 228 default y
213 depends on SPARC64 && SMP 229 depends on SPARC64 && SMP
214 230
215 config EARLYFB 231 config EARLYFB
216 bool "Support for early boot text cons 232 bool "Support for early boot text console"
217 default y 233 default y
218 depends on SPARC64 234 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 235 help
222 Say Y here to enable a faster early 236 Say Y here to enable a faster early framebuffer boot console.
223 237
>> 238 config SECCOMP
>> 239 bool "Enable seccomp to safely compute untrusted bytecode"
>> 240 depends on SPARC64 && PROC_FS
>> 241 default y
>> 242 help
>> 243 This kernel feature is useful for number crunching applications
>> 244 that may need to compute untrusted bytecode during their
>> 245 execution. By using pipes or other transports made available to
>> 246 the process as file descriptors supporting the read/write
>> 247 syscalls, it's possible to isolate those applications in
>> 248 their own address space using seccomp. Once seccomp is
>> 249 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 250 and the task is only allowed to execute a few safe syscalls
>> 251 defined by each seccomp mode.
>> 252
>> 253 If unsure, say Y. Only embedded should say N here.
>> 254
224 config HOTPLUG_CPU 255 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 256 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 257 depends on SPARC64 && SMP
227 help 258 help
228 Say Y here to experiment with turnin 259 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 260 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 261 Say N if you want to disable CPU hotplug.
231 262
232 if SPARC64 263 if SPARC64
233 source "drivers/cpufreq/Kconfig" 264 source "drivers/cpufreq/Kconfig"
234 endif 265 endif
235 266
236 config US3_MC 267 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 268 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 269 depends on SPARC64
239 default y 270 default y
240 help 271 help
241 This adds a driver for the UltraSPAR 272 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 273 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 274 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 275 on the motherboard can be matched to the error.
245 276
246 If in doubt, say Y, as this informat 277 If in doubt, say Y, as this information can be very useful.
247 278
248 # Global things across all Sun machines. 279 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 280 config GENERIC_LOCKBREAK
250 bool 281 bool
251 default y 282 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 283 depends on SPARC64 && SMP && PREEMPT
253 284
254 config NUMA 285 config NUMA
255 bool "NUMA support" 286 bool "NUMA support"
256 depends on SPARC64 && SMP 287 depends on SPARC64 && SMP
257 288
258 config NODES_SHIFT 289 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 290 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 291 range 4 5 if SPARC64
261 default "5" 292 default "5"
262 depends on NUMA !! 293 depends on NEED_MULTIPLE_NODES
263 help 294 help
264 Specify the maximum number of NUMA N 295 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 296 system. Increases memory reserved to accommodate various tables.
266 297
>> 298 # Some NUMA nodes have memory ranges that span
>> 299 # other nodes. Even though a pfn is valid and
>> 300 # between a node's start and end pfns, it may not
>> 301 # reside on that node. See memmap_init_zone()
>> 302 # for details.
>> 303 config NODES_SPAN_OTHER_NODES
>> 304 def_bool y
>> 305 depends on NEED_MULTIPLE_NODES
>> 306
>> 307 config ARCH_SELECT_MEMORY_MODEL
>> 308 def_bool y if SPARC64
>> 309
267 config ARCH_SPARSEMEM_ENABLE 310 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 311 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 312 select SPARSEMEM_VMEMMAP_ENABLE
270 313
271 config ARCH_SPARSEMEM_DEFAULT 314 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 315 def_bool y if SPARC64
273 316
274 config ARCH_FORCE_MAX_ORDER !! 317 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 318 int "Maximum zone order"
276 default "12" !! 319 default "13"
277 help !! 320 help
278 The kernel page allocator limits the !! 321 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 322 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 323 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 324 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 325 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 326 increase this value.
284 327
285 Don't change if unsure. !! 328 This config option is actually maximum order plus one. For example,
>> 329 a value of 13 means that the largest free memory block is 2^12 pages.
286 330
287 if SPARC64 || COMPILE_TEST !! 331 if SPARC64
288 source "kernel/power/Kconfig" 332 source "kernel/power/Kconfig"
289 endif 333 endif
290 334
291 config SCHED_SMT 335 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 336 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 337 depends on SPARC64 && SMP
294 default y 338 default y
295 help 339 help
296 SMT scheduler support improves the C 340 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 341 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 342 in some places. If unsure say N here.
299 343
300 config SCHED_MC 344 config SCHED_MC
301 bool "Multi-core scheduler support" 345 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 346 depends on SPARC64 && SMP
303 default y 347 default y
304 help 348 help
305 Multi-core scheduler support improve 349 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 350 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 351 increased overhead in some places. If unsure say N here.
308 352
309 config CMDLINE_BOOL 353 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 354 bool "Default bootloader kernel arguments"
311 depends on SPARC64 355 depends on SPARC64
312 356
313 config CMDLINE 357 config CMDLINE
314 string "Initial kernel command string" 358 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 359 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 360 default "console=ttyS0,9600 root=/dev/sda1"
317 help 361 help
318 Say Y here if you want to be able to 362 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 363 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 364 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 365 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 366 with having them passed on the command line.
323 367
324 NOTE: This option WILL override the 368 NOTE: This option WILL override the PROM bootargs setting!
325 369
326 config SUN_PM 370 config SUN_PM
327 bool 371 bool
328 default y if SPARC32 372 default y if SPARC32
329 help 373 help
330 Enable power management and CPU stan 374 Enable power management and CPU standby features on supported
331 SPARC platforms. 375 SPARC platforms.
332 376
333 config SPARC_LED 377 config SPARC_LED
334 tristate "Sun4m LED driver" 378 tristate "Sun4m LED driver"
335 depends on SPARC32 379 depends on SPARC32
336 help 380 help
337 This driver toggles the front-panel 381 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 382 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 383 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 384 via writes to /proc/led
341 385
342 config SERIAL_CONSOLE 386 config SERIAL_CONSOLE
343 bool 387 bool
344 depends on SPARC32 388 depends on SPARC32
345 default y 389 default y
346 help !! 390 ---help---
347 If you say Y here, it will be possib 391 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 392 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 393 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 394 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 395 to that serial port.
352 396
353 Even if you say Y here, the currentl 397 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 398 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 399 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 400 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 401 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 402 boot time.)
359 403
360 If you don't have a graphics card in 404 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 405 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 406 system console.
363 407
364 If unsure, say N. 408 If unsure, say N.
365 409
366 config SPARC_LEON 410 config SPARC_LEON
367 bool "Sparc Leon processor family" 411 bool "Sparc Leon processor family"
368 depends on SPARC32 412 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 413 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 414 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 415 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 416 select USB_UHCI_BIG_ENDIAN_DESC
373 help !! 417 ---help---
374 If you say Y here if you are running 418 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 419 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 420 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 421 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 422 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 423 toolchain at www.gaisler.com.
380 424
381 if SPARC_LEON 425 if SPARC_LEON
382 menu "U-Boot options" 426 menu "U-Boot options"
383 427
384 config UBOOT_LOAD_ADDR 428 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 429 hex "uImage Load Address"
386 default 0x40004000 430 default 0x40004000
387 help !! 431 ---help---
388 U-Boot kernel load address, the addre 432 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 433 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 434 This address is normally the base address of main memory + 0x4000.
391 435
392 config UBOOT_FLASH_ADDR 436 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 437 hex "uImage.o Load Address"
394 default 0x00080000 438 default 0x00080000
395 help !! 439 ---help---
396 Optional setting only affecting the u 440 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 441 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 442 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 443 the GRMON utility before even starting u-boot.
400 444
401 config UBOOT_ENTRY_ADDR 445 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 446 hex "uImage Entry Address"
403 default 0xf0004000 447 default 0xf0004000
404 help !! 448 ---help---
405 Do not change this unless you know wh 449 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 450 hardcoded by the SPARC32 and LEON port.
407 451
408 This is the virtual address u-boot ju 452 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 453 Kernel.
410 454
411 endmenu 455 endmenu
412 endif 456 endif
413 457
414 endmenu 458 endmenu
415 459
416 menu "Bus options (PCI etc.)" 460 menu "Bus options (PCI etc.)"
417 config SBUS 461 config SBUS
418 bool 462 bool
419 default y 463 default y
420 464
421 config SBUSCHAR 465 config SBUSCHAR
422 bool 466 bool
423 default y 467 default y
424 468
425 config SUN_LDOMS 469 config SUN_LDOMS
426 bool "Sun Logical Domains support" 470 bool "Sun Logical Domains support"
427 depends on SPARC64 471 depends on SPARC64
428 help 472 help
429 Say Y here is you want to support vi 473 Say Y here is you want to support virtual devices via
430 Logical Domains. 474 Logical Domains.
431 475
432 config PCIC_PCI 476 config PCIC_PCI
433 bool 477 bool
434 depends on PCI && SPARC32 && !SPARC_LE 478 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 479 default y
436 480
437 config LEON_PCI 481 config LEON_PCI
438 bool 482 bool
439 depends on PCI && SPARC_LEON 483 depends on PCI && SPARC_LEON
440 default y 484 default y
441 485
442 config SPARC_GRPCI1 486 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 487 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 488 depends on LEON_PCI
445 default y 489 default y
446 help 490 help
447 Say Y here to include the GRPCI Host 491 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 492 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 493 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 494 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 495 on detected PCI Parity and System errors.
452 496
453 config SPARC_GRPCI2 497 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 498 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 499 depends on LEON_PCI
456 default y 500 default y
457 help 501 help
458 Say Y here to include the GRPCI2 Hos 502 Say Y here to include the GRPCI2 Host Bridge Driver.
459 503
460 config SUN_OPENPROMFS 504 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 505 tristate "Openprom tree appears in /proc/openprom"
462 help 506 help
463 If you say Y, the OpenPROM device tr 507 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 508 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 509 -t openpromfs none /proc/openprom".
466 510
467 To compile the /proc/openprom suppor 511 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 512 module will be called openpromfs.
469 513
470 Only choose N if you know in advance 514 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 515 OpenPROM settings on the running system.
472 516
473 # Makefile helpers 517 # Makefile helpers
474 config SPARC64_PCI 518 config SPARC64_PCI
475 bool 519 bool
476 default y 520 default y
477 depends on SPARC64 && PCI 521 depends on SPARC64 && PCI
478 522
479 config SPARC64_PCI_MSI 523 config SPARC64_PCI_MSI
480 bool 524 bool
481 default y 525 default y
482 depends on SPARC64_PCI && PCI_MSI 526 depends on SPARC64_PCI && PCI_MSI
483 527
484 endmenu 528 endmenu
485 529
486 config COMPAT 530 config COMPAT
487 bool 531 bool
488 depends on SPARC64 532 depends on SPARC64
489 default y 533 default y
>> 534 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 535 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 536 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 537 select COMPAT_OLD_SIGACTION
>> 538
>> 539 config SYSVIPC_COMPAT
>> 540 bool
>> 541 depends on COMPAT && SYSVIPC
>> 542 default y
493 543
494 source "drivers/sbus/char/Kconfig" 544 source "drivers/sbus/char/Kconfig"
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