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
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 28 select HAVE_ARCH_JUMP_LABEL if SPARC64
33 select GENERIC_IRQ_SHOW 29 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 30 select ARCH_WANT_IPC_PARSE_VERSION
35 select GENERIC_PCI_IOMAP 31 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 32 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 <<
38 select HAVE_CBPF_JIT if SPARC32 33 select HAVE_CBPF_JIT if SPARC32
39 select HAVE_EBPF_JIT if SPARC64 34 select HAVE_EBPF_JIT if SPARC64
40 select HAVE_DEBUG_BUGVERBOSE 35 select HAVE_DEBUG_BUGVERBOSE
41 select GENERIC_SMP_IDLE_THREAD 36 select GENERIC_SMP_IDLE_THREAD
>> 37 select GENERIC_CLOCKEVENTS
>> 38 select GENERIC_STRNCPY_FROM_USER
>> 39 select GENERIC_STRNLEN_USER
42 select MODULES_USE_ELF_RELA 40 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 41 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 42 select OLD_SIGSUSPEND
>> 43 select ARCH_HAS_SG_CHAIN
47 select CPU_NO_EFFICIENT_FFS 44 select CPU_NO_EFFICIENT_FFS
48 select LOCKDEP_SMALL if LOCKDEP 45 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE 46 select NEED_DMA_MAP_STATE
50 select NEED_SG_DMA_LENGTH 47 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 51 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB !! 52 select DMA_DIRECT_OPS
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
108 select ARCH_HAS_GIGANTIC_PAGE !! 93 config ARCH_DEFCONFIG
109 select HAVE_SOFTIRQ_ON_OWN_STACK !! 94 string
110 select HAVE_SETUP_PER_CPU_AREA !! 95 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK !! 96 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK <<
113 97
114 config ARCH_PROC_KCORE_TEXT 98 config ARCH_PROC_KCORE_TEXT
115 def_bool y 99 def_bool y
116 100
117 config CPU_BIG_ENDIAN 101 config CPU_BIG_ENDIAN
118 def_bool y 102 def_bool y
119 103
>> 104 config ARCH_ATU
>> 105 bool
>> 106 default y if SPARC64
>> 107
120 config STACKTRACE_SUPPORT 108 config STACKTRACE_SUPPORT
121 bool 109 bool
122 default y if SPARC64 110 default y if SPARC64
123 111
124 config LOCKDEP_SUPPORT 112 config LOCKDEP_SUPPORT
125 bool 113 bool
126 default y if SPARC64 114 default y if SPARC64
127 115
128 config ARCH_HIBERNATION_POSSIBLE 116 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 117 def_bool y if SPARC64
130 118
131 config AUDIT_ARCH 119 config AUDIT_ARCH
132 bool 120 bool
133 default y 121 default y
134 122
>> 123 config HAVE_SETUP_PER_CPU_AREA
>> 124 def_bool y if SPARC64
>> 125
>> 126 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 127 def_bool y if SPARC64
>> 128
>> 129 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 130 def_bool y if SPARC64
>> 131
135 config MMU 132 config MMU
136 bool 133 bool
137 default y 134 default y
138 135
139 config HIGHMEM 136 config HIGHMEM
140 bool 137 bool
141 default y if SPARC32 138 default y if SPARC32
142 select KMAP_LOCAL !! 139
>> 140 config ZONE_DMA
>> 141 bool
>> 142 default y if SPARC32
>> 143
>> 144 config GENERIC_ISA_DMA
>> 145 bool
>> 146 default y if SPARC32
>> 147
>> 148 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 149 def_bool y if SPARC64
143 150
144 config PGTABLE_LEVELS 151 config PGTABLE_LEVELS
145 default 4 if 64BIT 152 default 4 if 64BIT
146 default 3 153 default 3
147 154
148 config ARCH_SUPPORTS_UPROBES 155 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 156 def_bool y if SPARC64
150 157
151 menu "Processor type and features" 158 menu "Processor type and features"
152 159
153 config SMP 160 config SMP
154 bool "Symmetric multi-processing suppo 161 bool "Symmetric multi-processing support"
155 help !! 162 ---help---
156 This enables support for systems wit 163 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 164 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 165 than one CPU, say Y.
159 166
160 If you say N here, the kernel will r 167 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 168 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 169 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 170 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 171 will run faster if you say N here.
165 172
166 People using multiprocessor machines 173 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 174 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 175 Management" code will be disabled if you say Y here.
169 176
170 See also <file:Documentation/admin-g !! 177 See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 178 available at <http://www.tldp.org/docs.html#howto>.
172 179
173 If you don't know what to do here, s 180 If you don't know what to do here, say N.
174 181
175 config NR_CPUS 182 config NR_CPUS
176 int "Maximum number of CPUs" 183 int "Maximum number of CPUs"
177 depends on SMP 184 depends on SMP
178 range 2 32 if SPARC32 185 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 186 range 2 4096 if SPARC64
180 default 32 if SPARC32 187 default 32 if SPARC32
181 default 4096 if SPARC64 188 default 4096 if SPARC64
182 189
183 source "kernel/Kconfig.hz" !! 190 source kernel/Kconfig.hz
>> 191
>> 192 config RWSEM_GENERIC_SPINLOCK
>> 193 bool
>> 194 default y if SPARC32
>> 195
>> 196 config RWSEM_XCHGADD_ALGORITHM
>> 197 bool
>> 198 default y if SPARC64
184 199
185 config GENERIC_HWEIGHT 200 config GENERIC_HWEIGHT
186 bool 201 bool
187 default y 202 default y
188 203
189 config GENERIC_CALIBRATE_DELAY 204 config GENERIC_CALIBRATE_DELAY
190 bool 205 bool
191 default y 206 default y
192 207
193 config ARCH_MAY_HAVE_PC_FDC 208 config ARCH_MAY_HAVE_PC_FDC
194 bool 209 bool
195 default y 210 default y
196 211
197 config EMULATED_CMPXCHG 212 config EMULATED_CMPXCHG
198 bool 213 bool
199 default y if SPARC32 214 default y if SPARC32
200 help 215 help
201 Sparc32 does not have a CAS instruct 216 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 217 is emulated, and therefore it is not completely atomic.
203 218
204 # Makefile helpers 219 # Makefile helpers
205 config SPARC32_SMP 220 config SPARC32_SMP
206 bool 221 bool
207 default y 222 default y
208 depends on SPARC32 && SMP 223 depends on SPARC32 && SMP
209 224
210 config SPARC64_SMP 225 config SPARC64_SMP
211 bool 226 bool
212 default y 227 default y
213 depends on SPARC64 && SMP 228 depends on SPARC64 && SMP
214 229
215 config EARLYFB 230 config EARLYFB
216 bool "Support for early boot text cons 231 bool "Support for early boot text console"
217 default y 232 default y
218 depends on SPARC64 233 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 234 help
222 Say Y here to enable a faster early 235 Say Y here to enable a faster early framebuffer boot console.
223 236
>> 237 config SECCOMP
>> 238 bool "Enable seccomp to safely compute untrusted bytecode"
>> 239 depends on SPARC64 && PROC_FS
>> 240 default y
>> 241 help
>> 242 This kernel feature is useful for number crunching applications
>> 243 that may need to compute untrusted bytecode during their
>> 244 execution. By using pipes or other transports made available to
>> 245 the process as file descriptors supporting the read/write
>> 246 syscalls, it's possible to isolate those applications in
>> 247 their own address space using seccomp. Once seccomp is
>> 248 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 249 and the task is only allowed to execute a few safe syscalls
>> 250 defined by each seccomp mode.
>> 251
>> 252 If unsure, say Y. Only embedded should say N here.
>> 253
224 config HOTPLUG_CPU 254 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 255 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 256 depends on SPARC64 && SMP
227 help 257 help
228 Say Y here to experiment with turnin 258 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 259 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 260 Say N if you want to disable CPU hotplug.
231 261
232 if SPARC64 262 if SPARC64
233 source "drivers/cpufreq/Kconfig" 263 source "drivers/cpufreq/Kconfig"
234 endif 264 endif
235 265
236 config US3_MC 266 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 267 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 268 depends on SPARC64
239 default y 269 default y
240 help 270 help
241 This adds a driver for the UltraSPAR 271 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 272 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 273 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 274 on the motherboard can be matched to the error.
245 275
246 If in doubt, say Y, as this informat 276 If in doubt, say Y, as this information can be very useful.
247 277
248 # Global things across all Sun machines. 278 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 279 config GENERIC_LOCKBREAK
250 bool 280 bool
251 default y 281 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 282 depends on SPARC64 && SMP && PREEMPT
253 283
254 config NUMA 284 config NUMA
255 bool "NUMA support" 285 bool "NUMA support"
256 depends on SPARC64 && SMP 286 depends on SPARC64 && SMP
257 287
258 config NODES_SHIFT 288 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 289 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 290 range 4 5 if SPARC64
261 default "5" 291 default "5"
262 depends on NUMA !! 292 depends on NEED_MULTIPLE_NODES
263 help 293 help
264 Specify the maximum number of NUMA N 294 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 295 system. Increases memory reserved to accommodate various tables.
266 296
>> 297 # Some NUMA nodes have memory ranges that span
>> 298 # other nodes. Even though a pfn is valid and
>> 299 # between a node's start and end pfns, it may not
>> 300 # reside on that node. See memmap_init_zone()
>> 301 # for details.
>> 302 config NODES_SPAN_OTHER_NODES
>> 303 def_bool y
>> 304 depends on NEED_MULTIPLE_NODES
>> 305
>> 306 config ARCH_SELECT_MEMORY_MODEL
>> 307 def_bool y if SPARC64
>> 308
267 config ARCH_SPARSEMEM_ENABLE 309 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 310 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 311 select SPARSEMEM_VMEMMAP_ENABLE
270 312
271 config ARCH_SPARSEMEM_DEFAULT 313 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 314 def_bool y if SPARC64
273 315
274 config ARCH_FORCE_MAX_ORDER !! 316 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 317 int "Maximum zone order"
276 default "12" !! 318 default "13"
277 help !! 319 help
278 The kernel page allocator limits the !! 320 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 321 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 322 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 323 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 324 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 325 increase this value.
284 326
285 Don't change if unsure. !! 327 This config option is actually maximum order plus one. For example,
>> 328 a value of 13 means that the largest free memory block is 2^12 pages.
286 329
287 if SPARC64 || COMPILE_TEST !! 330 if SPARC64
288 source "kernel/power/Kconfig" 331 source "kernel/power/Kconfig"
289 endif 332 endif
290 333
291 config SCHED_SMT 334 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 335 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 336 depends on SPARC64 && SMP
294 default y 337 default y
295 help 338 help
296 SMT scheduler support improves the C 339 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 340 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 341 in some places. If unsure say N here.
299 342
300 config SCHED_MC 343 config SCHED_MC
301 bool "Multi-core scheduler support" 344 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 345 depends on SPARC64 && SMP
303 default y 346 default y
304 help 347 help
305 Multi-core scheduler support improve 348 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 349 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 350 increased overhead in some places. If unsure say N here.
308 351
309 config CMDLINE_BOOL 352 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 353 bool "Default bootloader kernel arguments"
311 depends on SPARC64 354 depends on SPARC64
312 355
313 config CMDLINE 356 config CMDLINE
314 string "Initial kernel command string" 357 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 358 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 359 default "console=ttyS0,9600 root=/dev/sda1"
317 help 360 help
318 Say Y here if you want to be able to 361 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 362 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 363 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 364 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 365 with having them passed on the command line.
323 366
324 NOTE: This option WILL override the 367 NOTE: This option WILL override the PROM bootargs setting!
325 368
326 config SUN_PM 369 config SUN_PM
327 bool 370 bool
328 default y if SPARC32 371 default y if SPARC32
329 help 372 help
330 Enable power management and CPU stan 373 Enable power management and CPU standby features on supported
331 SPARC platforms. 374 SPARC platforms.
332 375
333 config SPARC_LED 376 config SPARC_LED
334 tristate "Sun4m LED driver" 377 tristate "Sun4m LED driver"
335 depends on SPARC32 378 depends on SPARC32
336 help 379 help
337 This driver toggles the front-panel 380 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 381 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 382 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 383 via writes to /proc/led
341 384
342 config SERIAL_CONSOLE 385 config SERIAL_CONSOLE
343 bool 386 bool
344 depends on SPARC32 387 depends on SPARC32
345 default y 388 default y
346 help !! 389 ---help---
347 If you say Y here, it will be possib 390 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 391 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 392 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 393 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 394 to that serial port.
352 395
353 Even if you say Y here, the currentl 396 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 397 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 398 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 399 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 400 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 401 boot time.)
359 402
360 If you don't have a graphics card in 403 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 404 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 405 system console.
363 406
364 If unsure, say N. 407 If unsure, say N.
365 408
366 config SPARC_LEON 409 config SPARC_LEON
367 bool "Sparc Leon processor family" 410 bool "Sparc Leon processor family"
368 depends on SPARC32 411 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 412 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 413 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 414 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 415 select USB_UHCI_BIG_ENDIAN_DESC
373 help !! 416 ---help---
374 If you say Y here if you are running 417 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 418 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 419 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 420 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 421 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 422 toolchain at www.gaisler.com.
380 423
381 if SPARC_LEON 424 if SPARC_LEON
382 menu "U-Boot options" 425 menu "U-Boot options"
383 426
384 config UBOOT_LOAD_ADDR 427 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 428 hex "uImage Load Address"
386 default 0x40004000 429 default 0x40004000
387 help !! 430 ---help---
388 U-Boot kernel load address, the addre 431 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 432 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 433 This address is normally the base address of main memory + 0x4000.
391 434
392 config UBOOT_FLASH_ADDR 435 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 436 hex "uImage.o Load Address"
394 default 0x00080000 437 default 0x00080000
395 help !! 438 ---help---
396 Optional setting only affecting the u 439 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 440 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 441 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 442 the GRMON utility before even starting u-boot.
400 443
401 config UBOOT_ENTRY_ADDR 444 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 445 hex "uImage Entry Address"
403 default 0xf0004000 446 default 0xf0004000
404 help !! 447 ---help---
405 Do not change this unless you know wh 448 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 449 hardcoded by the SPARC32 and LEON port.
407 450
408 This is the virtual address u-boot ju 451 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 452 Kernel.
410 453
411 endmenu 454 endmenu
412 endif 455 endif
413 456
414 endmenu 457 endmenu
415 458
416 menu "Bus options (PCI etc.)" 459 menu "Bus options (PCI etc.)"
417 config SBUS 460 config SBUS
418 bool 461 bool
419 default y 462 default y
420 463
421 config SBUSCHAR 464 config SBUSCHAR
422 bool 465 bool
423 default y 466 default y
424 467
425 config SUN_LDOMS 468 config SUN_LDOMS
426 bool "Sun Logical Domains support" 469 bool "Sun Logical Domains support"
427 depends on SPARC64 470 depends on SPARC64
428 help 471 help
429 Say Y here is you want to support vi 472 Say Y here is you want to support virtual devices via
430 Logical Domains. 473 Logical Domains.
431 474
>> 475 config PCI
>> 476 bool "Support for PCI and PS/2 keyboard/mouse"
>> 477 help
>> 478 Find out whether your system includes a PCI bus. PCI is the name of
>> 479 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 480 your box. If you say Y here, the kernel will include drivers and
>> 481 infrastructure code to support PCI bus devices.
>> 482
>> 483 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 484 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 485 All of these platforms are extremely obscure, so say N if unsure.
>> 486
>> 487 config PCI_DOMAINS
>> 488 def_bool PCI if SPARC64
>> 489
>> 490 config PCI_SYSCALL
>> 491 def_bool PCI
>> 492
432 config PCIC_PCI 493 config PCIC_PCI
433 bool 494 bool
434 depends on PCI && SPARC32 && !SPARC_LE 495 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 496 default y
436 497
437 config LEON_PCI 498 config LEON_PCI
438 bool 499 bool
439 depends on PCI && SPARC_LEON 500 depends on PCI && SPARC_LEON
440 default y 501 default y
441 502
442 config SPARC_GRPCI1 503 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 504 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 505 depends on LEON_PCI
445 default y 506 default y
446 help 507 help
447 Say Y here to include the GRPCI Host 508 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 509 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 510 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 511 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 512 on detected PCI Parity and System errors.
452 513
453 config SPARC_GRPCI2 514 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 515 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 516 depends on LEON_PCI
456 default y 517 default y
457 help 518 help
458 Say Y here to include the GRPCI2 Hos 519 Say Y here to include the GRPCI2 Host Bridge Driver.
459 520
>> 521 source "drivers/pci/Kconfig"
>> 522
>> 523 source "drivers/pcmcia/Kconfig"
>> 524
460 config SUN_OPENPROMFS 525 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 526 tristate "Openprom tree appears in /proc/openprom"
462 help 527 help
463 If you say Y, the OpenPROM device tr 528 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 529 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 530 -t openpromfs none /proc/openprom".
466 531
467 To compile the /proc/openprom suppor 532 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 533 module will be called openpromfs.
469 534
470 Only choose N if you know in advance 535 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 536 OpenPROM settings on the running system.
472 537
473 # Makefile helpers 538 # Makefile helpers
474 config SPARC64_PCI 539 config SPARC64_PCI
475 bool 540 bool
476 default y 541 default y
477 depends on SPARC64 && PCI 542 depends on SPARC64 && PCI
478 543
479 config SPARC64_PCI_MSI 544 config SPARC64_PCI_MSI
480 bool 545 bool
481 default y 546 default y
482 depends on SPARC64_PCI && PCI_MSI 547 depends on SPARC64_PCI && PCI_MSI
483 548
484 endmenu 549 endmenu
485 550
486 config COMPAT 551 config COMPAT
487 bool 552 bool
488 depends on SPARC64 553 depends on SPARC64
489 default y 554 default y
>> 555 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 556 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 557 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 558 select COMPAT_OLD_SIGACTION
>> 559
>> 560 config SYSVIPC_COMPAT
>> 561 bool
>> 562 depends on COMPAT && SYSVIPC
>> 563 default y
493 564
494 source "drivers/sbus/char/Kconfig" 565 source "drivers/sbus/char/Kconfig"
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